This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
https://perl5.git.perl.org / perl5.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
regcomp.c: Improve re debug output by showing buffer names if they exist
[perl5.git] / perl.h
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
1129b882 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
5cd3f21a 4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
d460ef45 25#ifdef PERL_MICRO
12ae5dfc
JH		 26# include "uconfig.h"
27#else
611cf957 28# include "config.h"
12ae5dfc 29#endif
0cb96387 30
7dc3eb73 31/* NOTE 1: that with gcc -std=c89 the __STDC_VERSION__ is *not* defined
9267464d 32 * because the __STDC_VERSION__ became a thing only with C90. Therefore,
7dc3eb73
JH		 33 * with gcc, HAS_C99 will never become true as long as we use -std=c89.
34
35 * NOTE 2: headers lie. Do not expect that if HAS_C99 gets to be true,
36 * all the C99 features are there and are correct. */
9267464d
JH		 37#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \
38 defined(_STDC_C99)
86a3cabf 39# define HAS_C99 1
86a3cabf
JH		 40#endif
41
2c2d71f5
JH		 42/* See L<perlguts/"The Perl API"> for detailed notes on
43 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
44
ac6bedea
JH		 45/* Note that from here --> to <-- the same logic is
46 * repeated in makedef.pl, so be certain to update
47 * both places when editing. */
48
6f4183fe 49#ifdef USE_ITHREADS
acfe0abc 50# if !defined(MULTIPLICITY)
6f4183fe
GS		 51# define MULTIPLICITY
52# endif
53#endif
54
27da23d5
JH		 55#ifdef PERL_GLOBAL_STRUCT_PRIVATE
56# ifndef PERL_GLOBAL_STRUCT
57# define PERL_GLOBAL_STRUCT
58# endif
59#endif
97aff369 60
27da23d5
JH		 61#ifdef PERL_GLOBAL_STRUCT
62# ifndef MULTIPLICITY
63# define MULTIPLICITY
64# endif
65#endif
66
97aff369
JH		 67#ifdef MULTIPLICITY
68# ifndef PERL_IMPLICIT_CONTEXT
69# define PERL_IMPLICIT_CONTEXT
70# endif
71#endif
72
026fd48b
GH		 73/* undef WIN32 when building on Cygwin (for libwin32) - gph */
74#ifdef __CYGWIN__
75# undef WIN32
76# undef _WIN32
77#endif
78
27da23d5
JH		 79#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
80# ifndef SYMBIAN
81# define SYMBIAN
82# endif
83#endif
84
a0fd4948 85#ifdef __SYMBIAN32__
27da23d5
JH		 86# include "symbian/symbian_proto.h"
87#endif
88
89/* Any stack-challenged places. The limit varies (and often
90 * is configurable), but using more than a kilobyte of stack
91 * is usually dubious in these systems. */
739a0b84
NC		 92#if defined(__SYMBIAN32__)
93/* Symbian: need to work around the SDK features. *
27da23d5
JH		 94 * On WINS: MS VC5 generates calls to _chkstk, *
95 * if a "large" stack frame is allocated. *
96 * gcc on MARM does not generate calls like these. */
97# define USE_HEAP_INSTEAD_OF_STACK
98#endif
99
dd134d2c 100/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 101/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 102#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 103# define USE_REENTRANT_API
104#endif
105
ac6bedea
JH		 106/* <--- here ends the logic shared by perl.h and makedef.pl */
107
9ea40801
SH		 108/* Microsoft Visual C++ 6.0 needs special treatment in numerous places */
109#if defined(WIN32) && defined(_MSC_VER) && _MSC_VER >= 1200 && _MSC_VER < 1300
110# define USING_MSVC6
111#endif
112
cf5a8da6
MHM		 113#undef START_EXTERN_C
114#undef END_EXTERN_C
115#undef EXTERN_C
116#ifdef __cplusplus
117# define START_EXTERN_C extern "C" {
118# define END_EXTERN_C }
119# define EXTERN_C extern "C"
120#else
121# define START_EXTERN_C
122# define END_EXTERN_C
123# define EXTERN_C extern
124#endif
125
17a6c8e3
AD		 126/* Fallback definitions in case we don't have definitions from config.h.
127 This should only matter for systems that don't use Configure and
128 haven't been modified to define PERL_STATIC_INLINE yet.
129*/
130#if !defined(PERL_STATIC_INLINE)
131# ifdef HAS_STATIC_INLINE
132# define PERL_STATIC_INLINE static inline
133# else
134# define PERL_STATIC_INLINE static
135# endif
136#endif
137
27da23d5
JH		 138#ifdef PERL_GLOBAL_STRUCT
139# ifndef PERL_GET_VARS
140# ifdef PERL_GLOBAL_STRUCT_PRIVATE
cf5a8da6 141 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
27da23d5
JH		 142# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
143# ifndef PERLIO_FUNCS_CONST
144# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
145# endif
146# else
147# define PERL_GET_VARS() PL_VarsPtr
148# endif
149# endif
150#endif
151
5aaab254 152#define pVAR struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH		 153
154#ifdef PERL_GLOBAL_STRUCT
155# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
156#else
157# define dVAR dNOOP
158#endif
159
c5be433b 160#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 161# ifndef MULTIPLICITY
162# define MULTIPLICITY
c5be433b 163# endif
e8dda941 164# define tTHX PerlInterpreter*
5aaab254 165# define pTHX tTHX my_perl PERL_UNUSED_DECL
3db8f154 166# define aTHX my_perl
9399a70c 167# define aTHXa(a) aTHX = (tTHX)a
27da23d5 168# ifdef PERL_GLOBAL_STRUCT
e8dda941 169# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 170# else
e8dda941 171# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH		 172# endif
173# ifdef PERL_GLOBAL_STRUCT
174# define dTHX dVAR; pTHX = PERL_GET_THX
175# else
176# define dTHX pTHX = PERL_GET_THX
177# endif
c5be433b 178# define pTHX_ pTHX,
c5be433b 179# define aTHX_ aTHX,
4373e329 180# define pTHX_1 2
894356b3
GS		 181# define pTHX_2 3
182# define pTHX_3 4
183# define pTHX_4 5
4373e329
AL		 184# define pTHX_5 6
185# define pTHX_6 7
a3b680e6
AL		 186# define pTHX_7 8
187# define pTHX_8 9
188# define pTHX_9 10
a6fc70e5 189# define pTHX_12 13
e8dda941
JD		 190# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
191# define PERL_TRACK_MEMPOOL
192# endif
193#else
194# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 195#endif
196
76e3520e 197#define STATIC static
16c91539
BM		 198
199#ifndef PERL_CORE
200/* Do not use these macros. They were part of PERL_OBJECT, which was an
201 * implementation of multiplicity using C++ objects. They have been left
202 * here solely for the sake of XS code which has incorrectly
203 * cargo-culted them.
204 */
76e3520e 205#define CPERLscope(x) x
565764a8 206#define CPERLarg void
76e3520e 207#define CPERLarg_
e3b8966e 208#define _CPERLarg
1d583055
GS		 209#define PERL_OBJECT_THIS
210#define _PERL_OBJECT_THIS
211#define PERL_OBJECT_THIS_
312caa8e 212#define CALL_FPTR(fptr) (*fptr)
ef69c8fc 213#define MEMBER_TO_FPTR(name) name
16c91539 214#endif /* !PERL_CORE */
76e3520e 215
16c91539 216#define CALLRUNOPS PL_runops
f9f4320a 217
3ab4a224 218#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 219
16c91539 220#define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
a340edde 221#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,sv,data,flags) \
16c91539 222 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
a340edde 223 (strbeg),(minend),(sv),(data),(flags))
52a21eb3
DM		 224#define CALLREG_INTUIT_START(prog,sv,strbeg,strpos,strend,flags,data) \
225 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strbeg), (strpos), \
f9f4320a
YO		 226 (strend),(flags),(data))
227#define CALLREG_INTUIT_STRING(prog) \
16c91539 228 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
f8149455 229
f8149455
YO		 230#define CALLREGFREE(prog) \
231 Perl_pregfree(aTHX_ (prog))
232
233#define CALLREGFREE_PVT(prog) \
16c91539 234 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
f8149455 235
2fdbfb4d 236#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
16c91539 237 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
93b32b6d 238
2fdbfb4d 239#define CALLREG_NUMBUF_STORE(rx,paren,value) \
16c91539 240 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
2fdbfb4d
AB		 241
242#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
16c91539 243 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
2fdbfb4d 244
192b9cd1 245#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
16c91539 246 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
192b9cd1
AB		 247
248#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
16c91539 249 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
192b9cd1
AB		 250
251#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
16c91539 252 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB		 253
254#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
16c91539 255 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB		 256
257#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
16c91539 258 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB		 259
260#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
16c91539 261 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB		 262
263#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
16c91539 264 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB		 265
266#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
16c91539 267 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
AB		 268
269#define CALLREG_NAMED_BUFF_COUNT(rx) \
16c91539 270 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
192b9cd1
AB		 271
272#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
16c91539 273 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 274
49d7dfbc 275#define CALLREG_PACKAGE(rx) \
16c91539 276 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
93b32b6d 277
00f254e2 278#if defined(USE_ITHREADS)
f9f4320a 279#define CALLREGDUPE(prog,param) \
f8149455
YO		 280 Perl_re_dup(aTHX_ (prog),(param))
281
282#define CALLREGDUPE_PVT(prog,param) \
16c91539 283 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
00f254e2 284 : (REGEXP *)NULL)
f9f4320a 285#endif
14dd3ad8 286
a20207d7 287
bcdf7404 288
a20207d7
YO		 289
290
5ba4cab2
SH		 291/*
292 * Because of backward compatibility reasons the PERL_UNUSED_DECL
293 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
294 *
295 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 296 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 297 * marking unused variables (they need e.g. a #pragma) and therefore
298 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
299 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
300 *
301 */
1266ad8c 302
9969cdde 303#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 304# ifdef __cplusplus
5ba4cab2 305# define PERL_UNUSED_DECL
5b2bd0a5 306# else
5ba4cab2 307# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 308# endif
309#endif
44dbb695 310
5b2bd0a5 311#ifndef PERL_UNUSED_DECL
34659ad4 312# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 313# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 314# else
5ba4cab2 315# define PERL_UNUSED_DECL
b79c357a 316# endif
5b2bd0a5 317#endif
00f254e2 318
349b520e
DM		 319/* gcc -Wall:
320 * for silencing unused variables that are actually used most of the time,
a730e3f2
JH		 321 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs,
322 * or variables/arguments that are used only in certain configurations.
349b520e 323 */
53c1dcc0 324#ifndef PERL_UNUSED_ARG
c99ffe5e 325# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 326# include <note.h>
53c1dcc0 327# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 328# else
a730e3f2 329# define PERL_UNUSED_ARG(x) ((void)sizeof(x))
ad73156c
AL		 330# endif
331#endif
53c1dcc0 332#ifndef PERL_UNUSED_VAR
a730e3f2 333# define PERL_UNUSED_VAR(x) ((void)sizeof(x))
53c1dcc0 334#endif
ad73156c 335
23491f1d 336#if defined(USE_ITHREADS) || defined(PERL_GLOBAL_STRUCT)
96a5add6
AL		 337# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
338#else
339# define PERL_UNUSED_CONTEXT
340#endif
341
24e7ff4e
JH		 342/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
343 * g++ allows them but seems to have problems with them
344 * (insane errors ensue).
345 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
346 */
347#if defined(PERL_GCC_PEDANTIC) || \
348 (defined(__GNUC__) && defined(__cplusplus) && \
349 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
350# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
351# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
352# endif
353#endif
354
ffea512f 355/* Use PERL_UNUSED_RESULT() to suppress the warnings about unused results
b469f1e0
JH		 356 * of function calls, e.g. PERL_UNUSED_RESULT(foo(a, b)).
357 *
358 * The main reason for this is that the combination of gcc -Wunused-result
359 * (part of -Wall) and the __attribute__((warn_unused_result)) cannot
360 * be silenced with casting to void. This causes trouble when the system
361 * header files use the attribute.
362 *
363 * Use PERL_UNUSED_RESULT sparingly, though, since usually the warning
364 * is there for a good reason: you might lose success/failure information,
365 * or leak resources, or changes in resources.
ffea512f
JH		 366 *
367 * But sometimes you just want to ignore the return value, e.g. on
b469f1e0
JH		 368 * codepaths soon ending up in abort, or in "best effort" attempts,
369 * or in situations where there is no good way to handle failures.
ffea512f 370 *
b469f1e0
JH		 371 * Sometimes PERL_UNUSED_RESULT might not be the most natural way:
372 * another possibility is that you can capture the return value
373 * and use PERL_UNUSED_VAR on that.
ffea512f 374 *
b469f1e0
JH		 375 * The __typeof__() is used instead of typeof() since typeof() is not
376 * available under strict C89, and because of compilers masquerading
377 * as gcc (clang and icc), we want exactly the gcc extension
378 * __typeof__ and nothing else.
ffea512f
JH		 379 */
380#ifndef PERL_UNUSED_RESULT
b469f1e0
JH		 381# if defined(__GNUC__) && defined(HASATTRIBUTE_WARN_UNUSED_RESULT)
382# define PERL_UNUSED_RESULT(v) STMT_START { __typeof__(v) z = (v); (void)sizeof(z); } STMT_END
ffea512f
JH		 383# else
384# define PERL_UNUSED_RESULT(v) ((void)(v))
385# endif
386#endif
387
b56aac20
DM		 388/* on gcc (and clang), specify that a warning should be temporarily
389 * ignored; e.g.
390 *
391 * GCC_DIAG_IGNORE(-Wmultichar);
392 * char b = 'ab';
393 * GCC_DIAG_RESTORE;
394 *
395 * based on http://dbp-consulting.com/tutorials/SuppressingGCCWarnings.html
396 *
397 * Note that "pragma GCC diagnostic push/pop" was added in GCC 4.6, Mar 2011;
398 * clang only pretends to be GCC 4.2, but still supports push/pop.
c1d6452f
JH		 399 *
400 * Note on usage: on non-gcc (or lookalike, like clang) compilers
401 * one cannot use these at file (global) level without warnings
402 * since they are defined as empty, which leads into the terminating
403 * semicolon being left alone on a line:
404 * ;
405 * which makes compilers mildly cranky. Therefore at file level one
6ab56f1e
JH		 406 * should use the GCC_DIAG_IGNORE and GCC_DIAG_RESTORE_FILE *without*
407 * the semicolons.
c1d6452f
JH		 408 *
409 * (A dead-on-arrival solution would be to try to define the macros as
410 * NOOP or dNOOP, those don't work both inside functions and outside.)
b56aac20
DM		 411 */
412
57d4b8c5 413#if defined(__clang__) || defined(__clang) || \
d28ce8b4 414 (defined( __GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406)
c1d6452f
JH		 415# define GCC_DIAG_PRAGMA(x) _Pragma (#x)
416/* clang has "clang diagnostic" pragmas, but also understands gcc. */
b56aac20 417# define GCC_DIAG_IGNORE(x) _Pragma("GCC diagnostic push") \
c1d6452f 418 GCC_DIAG_PRAGMA(GCC diagnostic ignored #x)
b56aac20
DM		 419# define GCC_DIAG_RESTORE _Pragma("GCC diagnostic pop")
420#else
8ce6f80a
JH		 421# define GCC_DIAG_IGNORE(w)
422# define GCC_DIAG_RESTORE
b56aac20
DM		 423#endif
424
6f207bd3 425#define NOOP /*EMPTY*/(void)0
bafdc25d
NC		 426/* cea2e8a9dd23747f accidentally lost the comment originally from the first
427 check in of thread.h, explaining why we need dNOOP at all: */
428/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
429/* Declaring a *function*, instead of a variable, ensures that we don't rely
430 on being able to suppress "unused" warnings. */
7db66e12
CB		 431#ifdef __cplusplus
432#define dNOOP (void)0
433#else
64a8239e 434#define dNOOP extern int Perl___notused(void)
7db66e12 435#endif
71be2cbc 436
0cb96387 437#ifndef pTHX
a78adc84 438/* Don't bother defining tTHX ; using it outside
e8dda941
JD		 439 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
440 */
0cb96387
GS		 441# define pTHX void
442# define pTHX_
0cb96387
GS		 443# define aTHX
444# define aTHX_
9399a70c 445# define aTHXa(a) NOOP
0cb96387
GS		 446# define dTHXa(a) dNOOP
447# define dTHX dNOOP
894356b3
GS		 448# define pTHX_1 1
449# define pTHX_2 2
450# define pTHX_3 3
451# define pTHX_4 4
3d42dc86
RGS		 452# define pTHX_5 5
453# define pTHX_6 6
a3b680e6
AL		 454# define pTHX_7 7
455# define pTHX_8 8
456# define pTHX_9 9
a6fc70e5 457# define pTHX_12 12
0cb96387
GS		 458#endif
459
27da23d5
JH		 460#ifndef dVAR
461# define dVAR dNOOP
462#endif
463
b4f7f263
GS		 464/* these are only defined for compatibility; should not be used internally */
465#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 466# define pTHXo pTHX
467# define pTHXo_ pTHX_
0cb96387
GS		 468# define aTHXo aTHX
469# define aTHXo_ aTHX_
c5be433b 470# define dTHXo dTHX
71d280e3 471# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 472#endif
473
474#ifndef pTHXx
5aaab254 475# define pTHXx PerlInterpreter *my_perl
0cb96387 476# define pTHXx_ pTHXx,
0cb96387
GS		 477# define aTHXx my_perl
478# define aTHXx_ aTHXx,
c5be433b 479# define dTHXx dTHX
22c35a8c 480#endif
71be2cbc 481
1de7c2ac
GS		 482/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
483 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
484 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
485#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 486# ifdef PERL_GLOBAL_STRUCT_PRIVATE
487# define dTHXs dVAR; dTHX
488# else
489# define dTHXs dTHX
490# endif
1de7c2ac 491#else
27da23d5
JH		 492# ifdef PERL_GLOBAL_STRUCT_PRIVATE
493# define dTHXs dVAR
494# else
495# define dTHXs dNOOP
496# endif
1de7c2ac
GS		 497#endif
498
27da23d5
JH		 499/* Some platforms require marking function declarations
500 * for them to be exportable. Used in perlio.h, proto.h
501 * is handled either by the makedef.pl or by defining the
502 * PERL_CALLCONV to be something special. See also the
503 * definition of XS() in XSUB.h. */
504#ifndef PERL_EXPORT_C
a0c21aa1
JH		 505# ifdef __cplusplus
506# define PERL_EXPORT_C extern "C"
507# else
508# define PERL_EXPORT_C extern
509# endif
27da23d5
JH		 510#endif
511#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 512# ifdef __cplusplus
513# define PERL_XS_EXPORT_C extern "C"
514# else
515# define PERL_XS_EXPORT_C
516# endif
27da23d5
JH		 517#endif
518
5b692037
JH		 519#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
520# ifndef PERL_USE_GCC_BRACE_GROUPS
521# define PERL_USE_GCC_BRACE_GROUPS
522# endif
523#endif
524
728e2803 525/*
526 * STMT_START { statements; } STMT_END;
527 * can be used as a single statement, as in
528 * if (x) STMT_START { ... } STMT_END; else ...
529 *
530 * Trying to select a version that gives no warnings...
531 */
532#if !(defined(STMT_START) && defined(STMT_END))
5b692037 533# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 534# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 535# define STMT_END )
536# else
728e2803 537# define STMT_START do
538# define STMT_END while (0)
728e2803 539# endif
540#endif
541
d6f9c181
JH		 542#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
543# define BYTEORDER 0x1234
79072805
LW		 544#endif
545
546/* Overall memory policy? */
547#ifndef CONSERVATIVE
548# define LIBERAL 1
549#endif
550
8ada0baa
JH		 551#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
552#define ASCIIish
553#else
554#undef ASCIIish
555#endif
556
79072805
LW		 557/*
558 * The following contortions are brought to you on behalf of all the
559 * standards, semi-standards, de facto standards, not-so-de-facto standards
560 * of the world, as well as all the other botches anyone ever thought of.
561 * The basic theory is that if we work hard enough here, the rest of the
562 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
563 */
ac58e20f 564
ee0007ab 565/* define this once if either system, instead of cluttering up the src */
7c458fae 566#if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 567#define DOSISH 1
568#endif
569
739a0b84 570#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 571# define STANDARD_C 1
572#endif
573
8d87852b 574#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 575# define DONT_DECLARE_STD 1
576#endif
577
352d5a3a 578#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 579# define VOL volatile
663a0e37 580#else
79072805 581# define VOL
663a0e37
LW		 582#endif
583
284167a5
S		 584/* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
585 * you get a perl without taint support, but doubtlessly with a lesser
586 * degree of support. Do not do so unless you know exactly what it means
587 * technically, have a good reason to do so, and know exactly how the
588 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
589 * a potential security risk due to flat out ignoring the security-relevant
590 * taint flags. This being said, a perl without taint support compiled in
591 * has marginal run-time performance benefits.
592 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
593 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
594 * silently ignores -t/-T instead of throwing an exception.
053a3618
S		 595 *
596 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
6ecb40c7 597 * voids your nonexistent warranty!
284167a5 598 */
dc6d7f5c 599#if defined(SILENT_NO_TAINT_SUPPORT) && !defined(NO_TAINT_SUPPORT)
284167a5
S		 600# define NO_TAINT_SUPPORT 1
601#endif
602
603/* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
604 * operations into no-ops for a very modest speed-up. Enable only if you
605 * know what you're doing: tests and CPAN modules' tests are bound to fail.
606 */
dc6d7f5c 607#ifdef NO_TAINT_SUPPORT
284167a5
S		 608# define TAINT NOOP
609# define TAINT_NOT NOOP
610# define TAINT_IF(c) NOOP
611# define TAINT_ENV() NOOP
612# define TAINT_PROPER(s) NOOP
613# define TAINT_set(s) NOOP
614# define TAINT_get 0
615# define TAINTING_get 0
616# define TAINTING_set(s) NOOP
617# define TAINT_WARN_get 0
618# define TAINT_WARN_set(s) NOOP
619#else
620# define TAINT (PL_tainted = TRUE)
621# define TAINT_NOT (PL_tainted = FALSE)
2439e033
S		 622# define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = TRUE; }
623# define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); }
624# define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); }
284167a5
S		 625# define TAINT_set(s) (PL_tainted = (s))
626# define TAINT_get (PL_tainted)
627# define TAINTING_get (PL_tainting)
628# define TAINTING_set(s) (PL_tainting = (s))
629# define TAINT_WARN_get (PL_taint_warn)
630# define TAINT_WARN_set(s) (PL_taint_warn = (s))
631#endif
a687059c 632
20be6587
DM		 633/* flags used internally only within pp_subst and pp_substcont */
634#ifdef PERL_CORE
635# define SUBST_TAINT_STR 1 /* string tainted */
636# define SUBST_TAINT_PAT 2 /* pattern tainted */
637# define SUBST_TAINT_REPL 4 /* replacement tainted */
638# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
639# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
640#endif
641
d460ef45 642/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 643 defines move there? If so, I could simplify this a lot. --AD 9/96.
644*/
645/* Process group stuff changed from traditional BSD to POSIX.
646 perlfunc.pod documents the traditional BSD-style syntax, so we'll
647 try to preserve that, if possible.
648*/
649#ifdef HAS_SETPGID
650# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 651#else
a6e633de 652# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
653# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
654# else
655# ifdef HAS_SETPGRP2 /* DG/UX */
656# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
657# endif
658# endif
659#endif
660#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
661# define HAS_SETPGRP /* Well, effectively it does . . . */
662#endif
663
664/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
665 our life easier :-) so we'll try it.
666*/
667#ifdef HAS_GETPGID
668# define BSD_GETPGRP(pid) getpgid((pid))
669#else
670# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
671# define BSD_GETPGRP(pid) getpgrp((pid))
672# else
673# ifdef HAS_GETPGRP2 /* DG/UX */
674# define BSD_GETPGRP(pid) getpgrp2((pid))
675# endif
676# endif
677#endif
678#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
679# define HAS_GETPGRP /* Well, effectively it does . . . */
680#endif
681
d460ef45 682/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 683 have different behaviors, but perl.h used to define USE_BSDPGRP
684 (prior to 5.003_05) so some extension might depend on it.
685*/
686#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
687# ifndef USE_BSDPGRP
688# define USE_BSDPGRP
689# endif
663a0e37
LW		 690#endif
691
486ec47a 692/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH		 693 pthread.h must be included before all other header files.
694*/
3db8f154 695#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 696# include <pthread.h>
697#endif
698
58ab9e8b 699#include <sys/types.h>
663a0e37 700
760ac839
LW		 701#ifdef __cplusplus
702# ifndef I_STDARG
703# define I_STDARG 1
704# endif
705#endif
706
c7925a5e
DD		 707/* EVC 4 SDK headers includes a bad definition of MB_CUR_MAX in stdlib.h
708 which is included from stdarg.h. Bad definition not present in SD 2008
709 SDK headers. wince.h is not yet included, so we cant fix this from there
710 since by then MB_CUR_MAX will be defined from stdlib.h.
711 cewchar.h includes a correct definition of MB_CUR_MAX and it is copied here
712 since cewchar.h can't be included this early */
713#if defined(UNDER_CE) && (_MSC_VER < 1300)
714# define MB_CUR_MAX 1
715#endif
760ac839
LW		 716#ifdef I_STDARG
717# include <stdarg.h>
718#else
719# ifdef I_VARARGS
720# include <varargs.h>
721# endif
722#endif
723
27db2737
JH		 724#ifdef I_STDINT
725# include <stdint.h>
726#endif
727
fe14fcc3 728#include <ctype.h>
a0d0e21e
LW		 729
730#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
731#undef METHOD
a0d0e21e
LW		 732#endif
733
12ae5dfc
JH		 734#ifdef PERL_MICRO
735# define NO_LOCALE
736#endif
737
4633a7c4 738#ifdef I_LOCALE
36477c24 739# include <locale.h>
4633a7c4
LW		 740#endif
741
36477c24 742#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
743# define USE_LOCALE
ccd65d51
KW		 744# define HAS_SKIP_LOCALE_INIT /* Solely for XS code to test for this
745 capability */
36477c24 746# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
747 && defined(HAS_STRXFRM)
748# define USE_LOCALE_COLLATE
749# endif
750# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
751# define USE_LOCALE_CTYPE
752# endif
753# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
754# define USE_LOCALE_NUMERIC
755# endif
fa9b773e
KW		 756# if !defined(NO_LOCALE_MESSAGES) && defined(LC_MESSAGES)
757# define USE_LOCALE_MESSAGES
758# endif
759# if !defined(NO_LOCALE_MONETARY) && defined(LC_MONETARY)
760# define USE_LOCALE_MONETARY
761# endif
56e45410
KW		 762# if !defined(NO_LOCALE_TIME) && defined(LC_TIME)
763# define USE_LOCALE_TIME
764# endif
b385bb4d
KW		 765# ifndef WIN32 /* No wrapper except on Windows */
766# define my_setlocale(a,b) setlocale(a,b)
767# endif
36477c24 768#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 769
fe14fcc3 770#include <setjmp.h>
79072805 771
a0d0e21e 772#ifdef I_SYS_PARAM
79072805
LW		 773# ifdef PARAM_NEEDS_TYPES
774# include <sys/types.h>
775# endif
776# include <sys/param.h>
352d5a3a 777#endif
79072805 778
ce3470dc
AD		 779/* On BSD-derived systems, <sys/param.h> defines BSD to a year-month
780 value something like 199306. This may be useful if no more-specific
781 feature test is available.
782*/
783#if defined(BSD)
784# ifndef BSDish
785# define BSDish
786# endif
787#endif
788
79072805 789/* Use all the "standard" definitions? */
a0d0e21e 790#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 791# include <stdlib.h>
ff68c719 792#endif
03a14243 793
3f270f98
JH		 794/* If this causes problems, set i_unistd=undef in the hint file. */
795#ifdef I_UNISTD
796# include <unistd.h>
797#endif
798
de8ca8af
NT		 799/* for WCOREDUMP */
800#ifdef I_SYS_WAIT
801# include <sys/wait.h>
802#endif
803
9969cdde 804#ifdef __SYMBIAN32__
27da23d5
JH		 805# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
806#endif
807
21e89b5f 808#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO)
c45598c5 809EXTERN_C int syscall(int, ...);
2ef53570
JH		 810#endif
811
21e89b5f 812#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO)
c45598c5 813EXTERN_C int usleep(unsigned int);
2ef53570
JH		 814#endif
815
1109a392
MHM		 816#ifdef PERL_CORE
817
818/* macros for correct constant construction */
819# if INTSIZE >= 2
820# define U16_CONST(x) ((U16)x##U)
821# else
822# define U16_CONST(x) ((U16)x##UL)
823# endif
824
825# if INTSIZE >= 4
826# define U32_CONST(x) ((U32)x##U)
827# else
828# define U32_CONST(x) ((U32)x##UL)
829# endif
830
831# ifdef HAS_QUAD
832# if INTSIZE >= 8
833# define U64_CONST(x) ((U64)x##U)
834# elif LONGSIZE >= 8
835# define U64_CONST(x) ((U64)x##UL)
836# elif QUADKIND == QUAD_IS_LONG_LONG
837# define U64_CONST(x) ((U64)x##ULL)
52865553
SH		 838# elif QUADKIND == QUAD_IS___INT64
839# define U64_CONST(x) ((U64)x##UI64)
1109a392
MHM		 840# else /* best guess we can make */
841# define U64_CONST(x) ((U64)x##UL)
842# endif
843# endif
844
845/* byte-swapping functions for big-/little-endian conversion */
846# define _swab_16_(x) ((U16)( \
847 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
848 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
849
850# define _swab_32_(x) ((U32)( \
851 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
852 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
853 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
854 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
855
856# ifdef HAS_QUAD
857# define _swab_64_(x) ((U64)( \
858 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
859 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
860 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
861 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
862 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
863 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
864 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
865 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
866# endif
867
9c17f24a
NC		 868/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
869 at least on FreeBSD. YMMV, so experiment. */
870#ifndef PERL_ARENA_SIZE
871#define PERL_ARENA_SIZE 4080
872#endif
873
ccb2c8b8 874/* Maximum level of recursion */
2b9dff67
RGS		 875#ifndef PERL_SUB_DEPTH_WARN
876#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 877#endif
878
1109a392
MHM		 879#endif /* PERL_CORE */
880
bdf3085f
NC		 881/* We no longer default to creating a new SV for GvSV.
882 Do this before embed. */
883#ifndef PERL_CREATE_GVSV
7459f06b
NC		 884# ifndef PERL_DONT_CREATE_GVSV
885# define PERL_DONT_CREATE_GVSV
886# endif
bdf3085f
NC		 887#endif
888
ca0c25f6
NC		 889#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
890#define PERL_USES_PL_PIDSTATUS
891#endif
892
739a0b84 893#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
a62746fa
RGS		 894#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
895#endif
896
c31fac66
GS		 897#define MEM_SIZE Size_t
898
1936d2a7
NC		 899/* Round all values passed to malloc up, by default to a multiple of
900 sizeof(size_t)
901*/
902#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
903#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
904#endif
905
f1200559
WH		 906/* sv_grow() will expand strings by at least a certain percentage of
907 the previously *used* length to avoid excessive calls to realloc().
908 The default is 25% of the current length.
909*/
910#ifndef PERL_STRLEN_EXPAND_SHIFT
911# define PERL_STRLEN_EXPAND_SHIFT 2
912#endif
913
3800c318 914#if defined(STANDARD_C) && defined(I_STDDEF) && !defined(PERL_GCC_PEDANTIC)
51371543
GS		 915# include <stddef.h>
916# define STRUCT_OFFSET(s,m) offsetof(s,m)
917#else
918# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
d0b86e2f
BF		 919#endif
920
921/* ptrdiff_t is C11, so undef it under pedantic builds */
922#ifdef PERL_GCC_PEDANTIC
923# undef HAS_PTRDIFF_T
51371543
GS		 924#endif
925
9969cdde 926#ifndef __SYMBIAN32__
27da23d5
JH		 927# if defined(I_STRING) || defined(__cplusplus)
928# include <string.h>
929# else
930# include <strings.h>
931# endif
51371543
GS		 932#endif
933
55497cff 934/* This comes after <stdlib.h> so we don't try to change the standard
935 * library prototypes; we'll use our own in proto.h instead. */
03a14243 936
4633a7c4 937#ifdef MYMALLOC
86058a2d 938# ifdef PERL_POLLUTE_MALLOC
ee13e175 939# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 940# define Perl_malloc malloc
941# define Perl_calloc calloc
942# define Perl_realloc realloc
943# define Perl_mfree free
ee13e175 944# endif
86058a2d
GS		 945# else
946# define EMBEDMYMALLOC /* for compatibility */
947# endif
827e134a 948
651b9576
GS		 949# define safemalloc Perl_malloc
950# define safecalloc Perl_calloc
951# define saferealloc Perl_realloc
952# define safefree Perl_mfree
22f7c9c9
JH		 953# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
954 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
955 code; \
956 } STMT_END
957# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
958 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
959# define panic_write2(s) write(2, s, strlen(s))
960# define CHECK_MALLOC_TAINT(newval) \
961 CHECK_MALLOC_TOO_LATE_FOR_( \
962 if (newval) { \
acfd4d8e 963 PERL_UNUSED_RESULT(panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n"));\
22f7c9c9 964 exit(1); })
22f7c9c9 965# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 966 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 967 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
968 }} STMT_END;
f2517201
GS		 969#else /* MYMALLOC */
970# define safemalloc safesysmalloc
971# define safecalloc safesyscalloc
972# define saferealloc safesysrealloc
973# define safefree safesysfree
22f7c9c9
JH		 974# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
975# define CHECK_MALLOC_TAINT(newval) ((void)0)
976# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 977#endif /* MYMALLOC */
4633a7c4 978
fe13d51d 979/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 980#define TOO_LATE_FOR_(ch,what) Perl_croak(aTHX_ "\"-%c\" is on the #! line, it must also be used on the command line%s", (char)(ch), what)
22f7c9c9
JH		 981#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
982#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
983#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
984
a0d0e21e
LW		 985#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
986#define strchr index
987#define strrchr rindex
988#endif
989
16d20bd9
AD		 990#ifdef I_MEMORY
991# include <memory.h>
992#endif
993
fe14fcc3 994#ifdef HAS_MEMCPY
85e6fe83 995# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 996# ifndef memcpy
20ce7b12 997 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 998# endif
999# endif
1000#else
1001# ifndef memcpy
1002# ifdef HAS_BCOPY
1003# define memcpy(d,s,l) bcopy(s,d,l)
1004# else
1005# define memcpy(d,s,l) my_bcopy(s,d,l)
1006# endif
1007# endif
1008#endif /* HAS_MEMCPY */
fe14fcc3 1009
ee0007ab 1010#ifdef HAS_MEMSET
85e6fe83 1011# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1012# ifndef memset
20ce7b12 1013 extern char *memset (char*, int, int);
ee0007ab
LW		 1014# endif
1015# endif
ee0007ab 1016#else
12ae5dfc 1017# undef memset
fc36a67e 1018# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1019#endif /* HAS_MEMSET */
1020
85e6fe83 1021#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1022# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1023# define memmove(d,s,l) bcopy(s,d,l)
1024# else
2304df62 1025# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1026# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1027# else
79072805 1028# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1029# endif
352d5a3a 1030# endif
d9d8d8de 1031#endif
ee0007ab 1032
36477c24 1033#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1034# undef HAS_MEMCMP
1035#endif
1036
1037#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1038# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1039# ifndef memcmp
20ce7b12 1040 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1041# endif
1042# endif
1043#else
1044# ifndef memcmp
ecfc5424 1045# define memcmp my_memcmp
352d5a3a 1046# endif
36477c24 1047#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1048
fc36a67e 1049#ifndef memzero
c635e13b 1050# ifdef HAS_MEMSET
1051# define memzero(d,l) memset(d,0,l)
79072805 1052# else
c635e13b 1053# ifdef HAS_BZERO
1054# define memzero(d,l) bzero(d,l)
79072805 1055# else
fc36a67e 1056# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1057# endif
1058# endif
d9d8d8de 1059#endif
378cc40b 1060
2f42fcb0 1061#ifndef PERL_MICRO
0f27ced1
JH		 1062#ifndef memchr
1063# ifndef HAS_MEMCHR
1064# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1065# endif
1066#endif
2f42fcb0 1067#endif
0f27ced1 1068
36477c24 1069#ifndef HAS_BCMP
1070# ifndef bcmp
1071# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1072# endif
36477c24 1073#endif /* !HAS_BCMP */
378cc40b 1074
ae986130 1075#ifdef I_NETINET_IN
79072805 1076# include <netinet/in.h>
ae986130
LW		 1077#endif
1078
28e8609d
JH		 1079#ifdef I_ARPA_INET
1080# include <arpa/inet.h>
1081#endif
1082
1aef975c 1083#ifdef I_SYS_STAT
84902520 1084# include <sys/stat.h>
1aef975c 1085#endif
79072805 1086
287a962e
JD		 1087/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1088 This definition should ideally go into win32/win32.h, but S_IFIFO is
1089 used later here in perl.h before win32/win32.h is being included. */
1090#if !defined(S_IFIFO) && defined(_S_IFIFO)
1091# define S_IFIFO _S_IFIFO
1092#endif
1093
cc3315ba 1094/* The stat macros for Unisoft System V/88 (and derivatives
a0d0e21e
LW		 1095 like UTekV) are broken, sometimes giving false positives. Undefine
1096 them here and let the code below set them to proper values.
1097
1098 The ghs macro stands for GreenHills Software C-1.8.5 which
1099 is the C compiler for sysV88 and the various derivatives.
1100 This header file bug is corrected in gcc-2.5.8 and later versions.
1101 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1102
cc3315ba 1103#if defined(m88k) && defined(ghs)
79072805
LW		 1104# undef S_ISDIR
1105# undef S_ISCHR
1106# undef S_ISBLK
1107# undef S_ISREG
1108# undef S_ISFIFO
1109# undef S_ISLNK
ee0007ab 1110#endif
135863df 1111
663a0e37
LW		 1112#ifdef I_TIME
1113# include <time.h>
ffed7fef 1114#endif
663a0e37 1115
fe14fcc3 1116#ifdef I_SYS_TIME
85e6fe83 1117# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1118# define KERNEL
1119# endif
1120# include <sys/time.h>
85e6fe83 1121# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1122# undef KERNEL
1123# endif
a687059c 1124#endif
135863df 1125
55497cff 1126#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1127# include <sys/times.h>
d9d8d8de 1128#endif
8d063cd8 1129
fe14fcc3 1130#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1131# undef HAS_STRERROR
663a0e37
LW		 1132#endif
1133
1134#include <errno.h>
1e743fda 1135
acfe0abc 1136#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1137# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1138#endif
1139
da70cfc6 1140#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH		 1141# include <sys/socket.h>
1142# if defined(USE_SOCKS) && defined(I_SOCKS)
1143# if !defined(INCLUDE_PROTOTYPES)
1144# define INCLUDE_PROTOTYPES /* for <socks.h> */
1145# define PERL_SOCKS_NEED_PROTOTYPES
1146# endif
1147# include <socks.h>
1148# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1149# undef INCLUDE_PROTOTYPES
1150# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1151# endif
d460ef45 1152# endif
1e743fda 1153# ifdef I_NETDB
2986a63f
JH		 1154# ifdef NETWARE
1155# include<stdio.h>
1156# endif
1e743fda
JH		 1157# include <netdb.h>
1158# endif
1159# ifndef ENOTSOCK
1160# ifdef I_NET_ERRNO
1161# include <net/errno.h>
1162# endif
1163# endif
1164#endif
1165
fa0a29af 1166/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1167 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1168 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1169#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1170# if defined(__THROW) && defined(__GLIBC__)
1171int sockatmark(int) __THROW;
1172# else
2ef53570 1173int sockatmark(int);
29820b6d 1174# endif
2ef53570
JH		 1175#endif
1176
7e827271 1177#if defined(__osf__) && defined(__cplusplus) && !defined(_XOPEN_SOURCE_EXTENDED) /* Tru64 "cxx" (C++), see hints/dec_osf.sh for why the _XOPEN_SOURCE_EXTENDED cannot be defined. */
45d3b546
JH		 1178EXTERN_C int fchdir(int);
1179EXTERN_C int flock(int, int);
1180EXTERN_C int fseeko(FILE *, off_t, int);
1181EXTERN_C off_t ftello(FILE *);
1182#endif
1183
7e827271 1184#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1185EXTERN_C char *crypt(const char *, const char *);
7e827271 1186EXTERN_C char **environ;
1ccb7c8d
JH		 1187#endif
1188
83a6ff2e 1189#if defined(__cplusplus)
ce3470dc 1190# if defined(BSDish)
b91fbb93 1191EXTERN_C char **environ;
83a6ff2e 1192# elif defined(__CYGWIN__)
667e2948
SP		 1193EXTERN_C char *crypt(const char *, const char *);
1194#endif
83a6ff2e 1195#endif
667e2948 1196
1e743fda
JH		 1197#ifdef SETERRNO
1198# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1199#endif
f86702cc 1200
1201#ifdef VMS
1202# define SETERRNO(errcode,vmserrcode) \
1203 STMT_START { \
1204 set_errno(errcode); \
1205 set_vaxc_errno(vmserrcode); \
1206 } STMT_END
4ee39169
CS		 1207# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1208# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1209# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1210# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1211
93189314
JH		 1212# define LIB_INVARG LIB$_INVARG
1213# define RMS_DIR RMS$_DIR
1214# define RMS_FAC RMS$_FAC
1215# define RMS_FEX RMS$_FEX
1216# define RMS_FNF RMS$_FNF
1217# define RMS_IFI RMS$_IFI
1218# define RMS_ISI RMS$_ISI
1219# define RMS_PRV RMS$_PRV
1220# define SS_ACCVIO SS$_ACCVIO
1221# define SS_DEVOFFLINE SS$_DEVOFFLINE
1222# define SS_IVCHAN SS$_IVCHAN
1223# define SS_NORMAL SS$_NORMAL
8a9f18be 1224# define SS_NOPRIV SS$_NOPRIV
748a9306 1225#else
93189314
JH		 1226# define LIB_INVARG 0
1227# define RMS_DIR 0
1228# define RMS_FAC 0
1229# define RMS_FEX 0
1230# define RMS_FNF 0
1231# define RMS_IFI 0
1232# define RMS_ISI 0
1233# define RMS_PRV 0
1234# define SS_ACCVIO 0
1235# define SS_DEVOFFLINE 0
1236# define SS_IVCHAN 0
1237# define SS_NORMAL 0
8a9f18be 1238# define SS_NOPRIV 0
748a9306 1239#endif
ed6116ce 1240
6ca940a9
TC		 1241#ifdef WIN32
1242# define dSAVEDERRNO int saved_errno; DWORD saved_win32_errno
1243# define dSAVE_ERRNO int saved_errno = errno; DWORD saved_win32_errno = GetLastError()
1244# define SAVE_ERRNO ( saved_errno = errno, saved_win32_errno = GetLastError() )
1245# define RESTORE_ERRNO ( errno = saved_errno, SetLastError(saved_win32_errno) )
1246#endif
1247
1248#ifdef OS2
1249# define dSAVEDERRNO int saved_errno; unsigned long saved_os2_errno
1250# define dSAVE_ERRNO int saved_errno = errno; unsigned long saved_os2_errno = Perl_rc
1251# define SAVE_ERRNO ( saved_errno = errno, saved_os2_errno = Perl_rc )
1252# define RESTORE_ERRNO ( errno = saved_errno, Perl_rc = saved_os2_errno )
1253#endif
1254
1255#ifndef SETERRNO
1256# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
1257#endif
1258
1259#ifndef dSAVEDERRNO
1260# define dSAVEDERRNO int saved_errno
1261# define dSAVE_ERRNO int saved_errno = errno
1262# define SAVE_ERRNO (saved_errno = errno)
1263# define RESTORE_ERRNO (errno = saved_errno)
1264#endif
1265
f5fa9033 1266#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC		 1267
1268#define CLEAR_ERRSV() STMT_START { \
1269 if (!GvSV(PL_errgv)) { \
1270 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1271 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1272 SvREFCNT_dec(GvSV(PL_errgv)); \
1273 GvSV(PL_errgv) = newSVpvs(""); \
1274 } else { \
1275 SV *const errsv = GvSV(PL_errgv); \
1276 sv_setpvs(errsv, ""); \
1277 if (SvMAGICAL(errsv)) { \
1278 mg_free(errsv); \
1279 } \
1280 SvPOK_only(errsv); \
1281 } \
1282 } STMT_END
1283
1284
414bf5ae
MHM		 1285#ifdef PERL_CORE
1286# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC		 1287# define DEFSV_set(sv) \
1288 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1289# define SAVE_DEFSV \
1290 ( \
1291 save_gp(PL_defgv, 0), \
1292 GvINTRO_off(PL_defgv), \
1293 SAVEGENERICSV(GvSV(PL_defgv)), \
1294 GvSV(PL_defgv) = NULL \
1295 )
414bf5ae
MHM		 1296#else
1297# define DEFSV GvSVn(PL_defgv)
55b5114f
FC		 1298# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1299# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1300#endif
38a03e6e 1301
55497cff 1302#ifndef errno
5ff3f7a4
GS		 1303 extern int errno; /* ANSI allows errno to be an lvalue expr.
1304 * For example in multithreaded environments
1305 * something like this might happen:
1306 * extern int *_errno(void);
1307 * #define errno (*_errno()) */
d9d8d8de 1308#endif
663a0e37 1309
7e996671
KW		 1310#define UNKNOWN_ERRNO_MSG "(unknown)"
1311
2304df62 1312#ifdef HAS_STRERROR
b3e384bf 1313# ifndef DONT_DECLARE_STD
a0d0e21e 1314# ifdef VMS
20ce7b12 1315 char *strerror (int,...);
a0d0e21e 1316# else
20ce7b12 1317 char *strerror (int);
a0d0e21e 1318# endif
b3e384bf
KW		 1319# endif
1320# ifndef Strerror
1321# define Strerror strerror
1322# endif
2304df62
AD		 1323#else
1324# ifdef HAS_SYS_ERRLIST
79072805
LW		 1325 extern int sys_nerr;
1326 extern char *sys_errlist[];
2304df62
AD		 1327# ifndef Strerror
1328# define Strerror(e) \
7e996671 1329 ((e) < 0 || (e) >= sys_nerr ? UNKNOWN_ERRNO_MSG : sys_errlist[e])
2304df62 1330# endif
79072805 1331# endif
35c8bce7 1332#endif
663a0e37 1333
2304df62 1334#ifdef I_SYS_IOCTL
79072805
LW		 1335# ifndef _IOCTL_
1336# include <sys/ioctl.h>
1337# endif
a687059c
LW		 1338#endif
1339
ee0007ab 1340#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1341# ifdef HAS_SOCKETPAIR
1342# undef HAS_SOCKETPAIR
1343# endif
2304df62
AD		 1344# ifdef I_NDBM
1345# undef I_NDBM
79072805 1346# endif
a687059c
LW		 1347#endif
1348
02fc2eee
NC		 1349#ifndef HAS_SOCKETPAIR
1350# ifdef HAS_SOCKET
1351# define socketpair Perl_my_socketpair
1352# endif
1353#endif
1354
a687059c 1355#if INTSIZE == 2
79072805
LW		 1356# define htoni htons
1357# define ntohi ntohs
a687059c 1358#else
79072805
LW		 1359# define htoni htonl
1360# define ntohi ntohl
a687059c
LW		 1361#endif
1362
a0d0e21e 1363/* Configure already sets Direntry_t */
35c8bce7 1364#if defined(I_DIRENT)
663a0e37 1365# include <dirent.h>
ae986130 1366#else
fe14fcc3 1367# ifdef I_SYS_NDIR
79a0689e 1368# include <sys/ndir.h>
663a0e37 1369# else
fe14fcc3 1370# ifdef I_SYS_DIR
79a0689e
LW		 1371# ifdef hp9000s500
1372# include <ndir.h> /* may be wrong in the future */
1373# else
1374# include <sys/dir.h>
1375# endif
663a0e37
LW		 1376# endif
1377# endif
4633a7c4 1378#endif
a687059c 1379
c623bd54
LW		 1380/*
1381 * The following gobbledygook brought to you on behalf of __STDC__.
1382 * (I could just use #ifndef __STDC__, but this is more bulletproof
1383 * in the face of half-implementations.)
1384 */
1385
21e89b5f 1386#if defined(I_SYSMODE)
ca6e1c26
JH		 1387#include <sys/mode.h>
1388#endif
1389
c623bd54
LW		 1390#ifndef S_IFMT
1391# ifdef _S_IFMT
1392# define S_IFMT _S_IFMT
1393# else
1394# define S_IFMT 0170000
1395# endif
1396#endif
1397
1398#ifndef S_ISDIR
1399# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1400#endif
1401
1402#ifndef S_ISCHR
1403# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1404#endif
1405
1406#ifndef S_ISBLK
fe14fcc3
LW		 1407# ifdef S_IFBLK
1408# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1409# else
1410# define S_ISBLK(m) (0)
1411# endif
c623bd54
LW		 1412#endif
1413
1414#ifndef S_ISREG
1415# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1416#endif
1417
1418#ifndef S_ISFIFO
fe14fcc3
LW		 1419# ifdef S_IFIFO
1420# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1421# else
1422# define S_ISFIFO(m) (0)
1423# endif
c623bd54
LW		 1424#endif
1425
1426#ifndef S_ISLNK
1427# ifdef _S_ISLNK
1428# define S_ISLNK(m) _S_ISLNK(m)
1429# else
1430# ifdef _S_IFLNK
1431# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1432# else
1433# ifdef S_IFLNK
1434# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1435# else
1436# define S_ISLNK(m) (0)
1437# endif
1438# endif
1439# endif
1440#endif
1441
1442#ifndef S_ISSOCK
1443# ifdef _S_ISSOCK
1444# define S_ISSOCK(m) _S_ISSOCK(m)
1445# else
1446# ifdef _S_IFSOCK
1447# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1448# else
1449# ifdef S_IFSOCK
1450# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1451# else
1452# define S_ISSOCK(m) (0)
1453# endif
1454# endif
1455# endif
1456#endif
1457
1458#ifndef S_IRUSR
1459# ifdef S_IREAD
1460# define S_IRUSR S_IREAD
1461# define S_IWUSR S_IWRITE
1462# define S_IXUSR S_IEXEC
1463# else
1464# define S_IRUSR 0400
1465# define S_IWUSR 0200
1466# define S_IXUSR 0100
1467# endif
fac7cdfc
JS		 1468#endif
1469
1470#ifndef S_IRGRP
1471# ifdef S_IRUSR
1472# define S_IRGRP (S_IRUSR>>3)
1473# define S_IWGRP (S_IWUSR>>3)
1474# define S_IXGRP (S_IXUSR>>3)
1475# else
1476# define S_IRGRP 0040
1477# define S_IWGRP 0020
1478# define S_IXGRP 0010
1479# endif
1480#endif
1481
1482#ifndef S_IROTH
1483# ifdef S_IRUSR
1484# define S_IROTH (S_IRUSR>>6)
1485# define S_IWOTH (S_IWUSR>>6)
1486# define S_IXOTH (S_IXUSR>>6)
1487# else
1488# define S_IROTH 0040
1489# define S_IWOTH 0020
1490# define S_IXOTH 0010
1491# endif
c623bd54
LW		 1492#endif
1493
1494#ifndef S_ISUID
1495# define S_ISUID 04000
1496#endif
1497
1498#ifndef S_ISGID
1499# define S_ISGID 02000
1500#endif
1501
ca6e1c26
JH		 1502#ifndef S_IRWXU
1503# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1504#endif
ca6e1c26
JH		 1505
1506#ifndef S_IRWXG
1507# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1508#endif
ca6e1c26
JH		 1509
1510#ifndef S_IRWXO
1511# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1512#endif
ca6e1c26 1513
b6c36746 1514/* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1515 * which would get included through <sys/file.h >, but that is 3000
1516 * lines in the future. --jhi */
1517
b6c36746 1518#if !defined(S_IREAD) && !defined(__HAIKU__)
ca6e1c26
JH		 1519# define S_IREAD S_IRUSR
1520#endif
1521
b6c36746 1522#if !defined(S_IWRITE) && !defined(__HAIKU__)
ca6e1c26
JH		 1523# define S_IWRITE S_IWUSR
1524#endif
1525
1526#ifndef S_IEXEC
1527# define S_IEXEC S_IXUSR
1528#endif
1529
a0d0e21e 1530#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1531# define SLOPPYDIVIDE
1532#endif
1533
748a9306
LW		 1534#ifdef UV
1535#undef UV
1536#endif
1537
ce582cee
NC		 1538/* For the times when you want the return value of sprintf, and you want it
1539 to be the length. Can't have a thread variable passed in, because C89 has
1540 no varargs macros.
1541*/
1542#ifdef SPRINTF_RETURNS_STRLEN
1543# define my_sprintf sprintf
1544#else
1545# define my_sprintf Perl_my_sprintf
1546#endif
1547
5b692037
JH		 1548/*
1549 * If we have v?snprintf() and the C99 variadic macros, we can just
1550 * use just the v?snprintf(). It is nice to try to trap the buffer
1551 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1552 * gcc statement expressions, then use the function wrappers which try
1553 * to trap the overflow. If we can use the gcc statement expressions,
1554 * we can try that even with the version that uses the C99 variadic
1555 * macros.
5b692037
JH		 1556 */
1557
1208b3dd
JH		 1558/* Note that we do not check against snprintf()/vsnprintf() returning
1559 * negative values because that is non-standard behaviour and we use
1560 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1561 * that should be true only if the snprintf()/vsnprintf() are true
1562 * to the standard. */
1563
e8549682
JH		 1564#define PERL_SNPRINTF_CHECK(len, max, api) STMT_START { if ((max) > 0 && (Size_t)len >= (max)) Perl_croak_nocontext("panic: %s buffer overflow", STRINGIFY(api)); } STMT_END
1565
a4eca1d4
JH		 1566#ifdef USE_QUADMATH
1567# define my_snprintf Perl_my_snprintf
1568# define PERL_MY_SNPRINTF_GUARDED
1569#else
dfeee9b1 1570#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1571# ifdef PERL_USE_GCC_BRACE_GROUPS
e8549682 1572# define my_snprintf(buffer, max, ...) ({ int len = snprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, snprintf); len; })
1208b3dd 1573# define PERL_MY_SNPRINTF_GUARDED
5b692037 1574# else
e8549682 1575# define my_snprintf(buffer, max, ...) snprintf(buffer, max, __VA_ARGS__)
5b692037
JH		 1576# endif
1577#else
1578# define my_snprintf Perl_my_snprintf
1208b3dd 1579# define PERL_MY_SNPRINTF_GUARDED
5b692037 1580#endif
a4eca1d4 1581#endif
5b692037 1582
a4eca1d4
JH		 1583/* There is no quadmath_vsnprintf, and therefore my_vsnprintf()
1584 * dies if called under USE_QUADMATH. */
dfeee9b1 1585#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1586# ifdef PERL_USE_GCC_BRACE_GROUPS
e8549682 1587# define my_vsnprintf(buffer, max, ...) ({ int len = vsnprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, vsnprintf); len; })
1208b3dd 1588# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1589# else
e8549682 1590# define my_vsnprintf(buffer, max, ...) vsnprintf(buffer, max, __VA_ARGS__)
5b692037
JH		 1591# endif
1592#else
1593# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1594# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1595#endif
d9fad198 1596
e8549682
JH		 1597/* You will definitely need to use the PERL_MY_SNPRINTF_POST_GUARD()
1598 * or PERL_MY_VSNPRINTF_POST_GUARD() if you otherwise decide to ignore
1599 * the result of my_snprintf() or my_vsnprintf(). (No, you should not
1600 * completely ignore it: otherwise you cannot know whether your output
1601 * was too long.)
1602 *
1603 * int len = my_sprintf(buf, max, ...);
1604 * PERL_MY_SNPRINTF_POST_GUARD(len, max);
1605 *
1606 * The trick is that in certain platforms [a] the my_sprintf() already
1607 * contains the sanity check, while in certain platforms [b] it needs
1608 * to be done as a separate step. The POST_GUARD is that step-- in [a]
1609 * platforms the POST_GUARD actually does nothing since the check has
1610 * already been done. Watch out for the max being the same in both calls.
1611 *
1612 * If you actually use the snprintf/vsnprintf return value already,
1613 * you assumedly are checking its validity somehow. But you can
1614 * insert the POST_GUARD() also in that case. */
1615
1616#ifndef PERL_MY_SNPRINTF_GUARDED
1617# define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, snprintf)
1618#else
1619# define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1620#endif
1621
1622#ifndef PERL_MY_VSNPRINTF_GUARDED
1623# define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, vsnprintf)
1624#else
1625# define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1626#endif
1627
a6cc4119
SP		 1628#ifdef HAS_STRLCAT
1629# define my_strlcat strlcat
1630#else
1631# define my_strlcat Perl_my_strlcat
1632#endif
1633
1634#ifdef HAS_STRLCPY
1635# define my_strlcpy strlcpy
1636#else
1637# define my_strlcpy Perl_my_strlcpy
1638#endif
1639
05f13f53 1640/*
27d4fb96 1641 The IV type is supposed to be long enough to hold any integral
1642 value or a pointer.
1643 --Andy Dougherty August 1996
1644*/
1645
a22e52b9
JH		 1646typedef IVTYPE IV;
1647typedef UVTYPE UV;
8175356b 1648
10cc9d2a 1649#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1650# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1651# define IV_MAX INT64_MAX
1652# define IV_MIN INT64_MIN
1653# define UV_MAX UINT64_MAX
cae7ae48
JH		 1654# ifndef UINT64_MIN
1655# define UINT64_MIN 0
1656# endif
5ff3f7a4
GS		 1657# define UV_MIN UINT64_MIN
1658# else
1659# define IV_MAX PERL_QUAD_MAX
1660# define IV_MIN PERL_QUAD_MIN
1661# define UV_MAX PERL_UQUAD_MAX
1662# define UV_MIN PERL_UQUAD_MIN
1663# endif
cf2093f6
JH		 1664# define IV_IS_QUAD
1665# define UV_IS_QUAD
79072805 1666#else
8175356b 1667# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1668# define IV_MAX INT32_MAX
1669# define IV_MIN INT32_MIN
716026f9
DL		 1670# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1671# define UV_MAX UINT32_MAX
1672# else
1673# define UV_MAX 4294967295U
1674# endif
cae7ae48
JH		 1675# ifndef UINT32_MIN
1676# define UINT32_MIN 0
1677# endif
5ff3f7a4
GS		 1678# define UV_MIN UINT32_MIN
1679# else
1680# define IV_MAX PERL_LONG_MAX
1681# define IV_MIN PERL_LONG_MIN
1682# define UV_MAX PERL_ULONG_MAX
1683# define UV_MIN PERL_ULONG_MIN
1684# endif
8175356b 1685# if IVSIZE == 8
cf2093f6
JH		 1686# define IV_IS_QUAD
1687# define UV_IS_QUAD
de1c2614
JH		 1688# ifndef HAS_QUAD
1689# define HAS_QUAD
1690# endif
cf2093f6
JH		 1691# else
1692# undef IV_IS_QUAD
1693# undef UV_IS_QUAD
9ea40801 1694#if !defined(PERL_CORE) || defined(USING_MSVC6)
e25d460c
NC		 1695/* We think that removing this decade-old undef this will cause too much
1696 breakage on CPAN for too little gain. (See RT #119753)
9ea40801
SH		 1697 However, we do need HAS_QUAD in the core for use by the drand48 code,
1698 but not for Win32 VC6 because it has poor __int64 support. */
cb4b14d5 1699# undef HAS_QUAD
e25d460c 1700#endif
cf2093f6 1701# endif
79072805 1702#endif
d7d93a81 1703
6313e544
JH		 1704#define Size_t_MAX (~(Size_t)0)
1705#define SSize_t_MAX (SSize_t)(~(Size_t)0 >> 1)
9a543cee 1706
cae7ae48 1707#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1708#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1709
28e5dec8 1710#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1711#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1712#endif
1713
d460ef45 1714/*
26bb67e2
JH		 1715 * The macros INT2PTR and NUM2PTR are (despite their names)
1716 * bi-directional: they will convert int/float to or from pointers.
1717 * However the conversion to int/float are named explicitly:
1718 * PTR2IV, PTR2UV, PTR2NV.
1719 *
1720 * For int conversions we do not need two casts if pointers are
1721 * the same size as IV and UV. Otherwise we need an explicit
1722 * cast (PTRV) to avoid compiler warnings.
1723 */
56431972
RB		 1724#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1725# define PTRV UV
1726# define INT2PTR(any,d) (any)(d)
1727#else
d460ef45 1728# if PTRSIZE == LONGSIZE
56431972 1729# define PTRV unsigned long
e91e3b10 1730# define PTR2ul(p) (unsigned long)(p)
42718184 1731# else
56431972 1732# define PTRV unsigned
42718184 1733# endif
e91e3b10
RB		 1734#endif
1735
1736#ifndef INT2PTR
56431972 1737# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1738#endif
e91e3b10
RB		 1739
1740#ifndef PTR2ul
1741# define PTR2ul(p) INT2PTR(unsigned long,p)
1742#endif
1743
56431972
RB		 1744#define NUM2PTR(any,d) (any)(PTRV)(d)
1745#define PTR2IV(p) INT2PTR(IV,p)
1746#define PTR2UV(p) INT2PTR(UV,p)
1747#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1748#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1749
8141890a
JH		 1750/* According to strict ANSI C89 one cannot freely cast between
1751 * data pointers and function (code) pointers. There are at least
1752 * two ways around this. One (used below) is to do two casts,
1753 * first the other pointer to an (unsigned) integer, and then
1754 * the integer to the other pointer. The other way would be
1755 * to use unions to "overlay" the pointers. For an example of
1756 * the latter technique, see union dirpu in struct xpvio in sv.h.
1757 * The only feasible use is probably temporarily storing
1758 * function pointers in a data pointer (such as a void pointer). */
1759
e91e3b10
RB		 1760#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1761#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1762
65202027 1763#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1764# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1765# define LONG_DOUBLE_EQUALS_DOUBLE
1766# endif
68d4903c 1767# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1768# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1769# endif
1770#endif
1771
2d4389e4
JH		 1772#ifdef OVR_DBL_DIG
1773/* Use an overridden DBL_DIG */
1774# ifdef DBL_DIG
1775# undef DBL_DIG
1776# endif
1777# define DBL_DIG OVR_DBL_DIG
1778#else
1779/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1780 default value for printing floating point numbers in Gconvert
1781 (see config.h). (It also has other uses, such as figuring out if
1782 a given precision of printing can be done with a double instead of
1783 a long double - Allen).
2d4389e4
JH		 1784*/
1785#ifdef I_LIMITS
1786#include <limits.h>
1787#endif
1788#ifdef I_FLOAT
1789#include <float.h>
1790#endif
1791#ifndef HAS_DBL_DIG
1792#define DBL_DIG 15 /* A guess that works lots of places */
1793#endif
1794#endif
1795
1796#ifdef OVR_LDBL_DIG
1797/* Use an overridden LDBL_DIG */
1798# ifdef LDBL_DIG
1799# undef LDBL_DIG
1800# endif
1801# define LDBL_DIG OVR_LDBL_DIG
1802#else
1803/* The following is all to get LDBL_DIG, in order to pick a nice
1804 default value for printing floating point numbers in Gconvert.
1805 (see config.h)
1806*/
68d4903c
JH		 1807# ifdef I_LIMITS
1808# include <limits.h>
1809# endif
1810# ifdef I_FLOAT
1811# include <float.h>
1812# endif
1813# ifndef HAS_LDBL_DIG
1814# if LONG_DOUBLESIZE == 10
1815# define LDBL_DIG 18 /* assume IEEE */
1816# else
1817# if LONG_DOUBLESIZE == 12
1818# define LDBL_DIG 18 /* gcc? */
1819# else
1820# if LONG_DOUBLESIZE == 16
1821# define LDBL_DIG 33 /* assume IEEE */
1822# else
1823# if LONG_DOUBLESIZE == DOUBLESIZE
1824# define LDBL_DIG DBL_DIG /* bummer */
1825# endif
1826# endif
1827# endif
1828# endif
1829# endif
2d4389e4
JH		 1830#endif
1831
20f6aaab
AS		 1832/*
1833 * This is for making sure we have a good DBL_MAX value, if possible,
1834 * either for usage as NV_MAX or for usage in figuring out if we can
1835 * fit a given long double into a double, if bug-fixing makes it
1836 * necessary to do so. - Allen <allens@cpan.org>
1837 */
1838
205f51d8
AS		 1839#ifdef I_LIMITS
1840# include <limits.h>
20f6aaab
AS		 1841#endif
1842
205f51d8
AS		 1843#ifdef I_VALUES
1844# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1845# include <values.h>
1846# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1847# define DBL_MAX MAXDOUBLE
1848# endif
1849# if defined(MINDOUBLE) && !defined(DBL_MIN)
1850# define DBL_MIN MINDOUBLE
1851# endif
1852# endif
1853#endif /* defined(I_VALUES) */
1854
a22e52b9 1855typedef NVTYPE NV;
8175356b 1856
792d8dab
JH		 1857#ifdef I_IEEEFP
1858# include <ieeefp.h>
1859#endif
923fc586 1860
c32c3de1
JH		 1861#ifdef USING_MSVC6
1862/* VC6 has broken NaN semantics: NaN == NaN returns true instead of false,
1863 * and for example NaN < IV_MIN. */
bcd8bfa9
JH		 1864# define NAN_COMPARE_BROKEN
1865#endif
1866#if defined(__DECC) && defined(__osf__)
1867/* Also Tru64 cc has broken NaN comparisons. */
1868# define NAN_COMPARE_BROKEN
c32c3de1
JH		 1869#endif
1870
65202027 1871#ifdef USE_LONG_DOUBLE
923fc586
JH		 1872# ifdef I_SUNMATH
1873# include <sunmath.h>
1874# endif
05b4a618
JH		 1875# if defined(USE_QUADMATH) && defined(I_QUADMATH)
1876# include <quadmath.h>
d6c14000 1877# endif
05b4a618
JH		 1878# ifdef FLT128_DIG
1879# define NV_DIG FLT128_DIG
1880# define NV_MANT_DIG FLT128_MANT_DIG
1881# define NV_MIN FLT128_MIN
1882# define NV_MAX FLT128_MAX
1883# define NV_MIN_EXP FLT128_MIN_EXP
1884# define NV_MAX_EXP FLT128_MAX_EXP
1885# define NV_EPSILON FLT128_EPSILON
1886# define NV_MIN_10_EXP FLT128_MIN_10_EXP
1887# define NV_MAX_10_EXP FLT128_MAX_10_EXP
1888# define NV_INF HUGE_VALQ
1889# define NV_NAN nanq("0")
1890# elif defined(LDBL_DIG)
1891# define NV_DIG LDBL_DIG
1892# ifdef LDBL_MANT_DIG
1893# define NV_MANT_DIG LDBL_MANT_DIG
1894# endif
1895# ifdef LDBL_MIN
1896# define NV_MIN LDBL_MIN
1897# endif
1898# ifdef LDBL_MAX
1899# define NV_MAX LDBL_MAX
1900# endif
1901# ifdef LDBL_MIN_EXP
1902# define NV_MIN_EXP LDBL_MIN_EXP
1903# endif
1904# ifdef LDBL_MAX_EXP
1905# define NV_MAX_EXP LDBL_MAX_EXP
1906# endif
1907# ifdef LDBL_MIN_10_EXP
1908# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1909# endif
1910# ifdef LDBL_MAX_10_EXP
1911# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1912# endif
1913# ifdef LDBL_EPSILON
1914# define NV_EPSILON LDBL_EPSILON
1915# endif
1916# ifdef LDBL_MAX
1917# define NV_MAX LDBL_MAX
20f6aaab 1918/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62 1919# else
05b4a618
JH		 1920# ifdef HUGE_VALL
1921# define NV_MAX HUGE_VALL
f4a14a62
JH		 1922# endif
1923# endif
1924# endif
05b4a618
JH		 1925# if defined(USE_QUADMATH) && defined(I_QUADMATH)
1926# define Perl_acos acosq
1927# define Perl_asin asinq
1928# define Perl_atan atanq
1929# define Perl_atan2 atan2q
1930# define Perl_ceil ceilq
1931# define Perl_cos cosq
1932# define Perl_cosh coshq
1933# define Perl_exp expq
1934/* no Perl_fabs, but there's PERL_ABS */
1935# define Perl_floor floorq
1936# define Perl_fmod fmodq
1937# define Perl_log logq
1938# define Perl_log10 log10q
1939# define Perl_pow powq
1940# define Perl_sin sinq
1941# define Perl_sinh sinhq
1942# define Perl_sqrt sqrtq
1943# define Perl_tan tanq
1944# define Perl_tanh tanhq
1945# define Perl_modf(x,y) modfq(x,y)
1946# define Perl_frexp(x,y) frexpq(x,y)
1947# define Perl_ldexp(x, y) ldexpq(x,y)
1948# define Perl_isinf(x) isinfq(x)
1949# define Perl_isnan(x) isnanq(x)
1950# define Perl_isfinite(x) !(isnanq(x) || isinfq(x))
1951# elif defined(HAS_SQRTL)
8a00eddc
JH		 1952# define Perl_acos acosl
1953# define Perl_asin asinl
1954# define Perl_atan atanl
940e3d56
JH		 1955# define Perl_atan2 atan2l
1956# define Perl_ceil ceill
1957# define Perl_cos cosl
8a00eddc 1958# define Perl_cosh coshl
940e3d56 1959# define Perl_exp expl
55da5e5b 1960/* no Perl_fabs, but there's PERL_ABS */
940e3d56
JH		 1961# define Perl_floor floorl
1962# define Perl_fmod fmodl
1963# define Perl_log logl
8a00eddc 1964# define Perl_log10 log10l
940e3d56
JH		 1965# define Perl_pow powl
1966# define Perl_sin sinl
8a00eddc 1967# define Perl_sinh sinhl
940e3d56 1968# define Perl_sqrt sqrtl
8a00eddc
JH		 1969# define Perl_tan tanl
1970# define Perl_tanh tanhl
68d4903c 1971# endif
a3540c92 1972/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
05b4a618
JH		 1973# ifndef Perl_modf
1974# ifdef HAS_MODFL
1975# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1976/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1977 prototype in <math.h> */
05b4a618 1978# ifndef HAS_MODFL_PROTO
a221a8a5 1979EXTERN_C long double modfl(long double, long double *);
05b4a618
JH		 1980# endif
1981# elif (defined(HAS_TRUNCL) || defined(HAS_AINTL)) && defined(HAS_COPYSIGNL)
55954f19 1982 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e 1983# define Perl_modf(x,y) Perl_my_modfl(x,y)
05b4a618 1984# endif
a3540c92 1985# endif
05b4a618
JH		 1986# ifndef Perl_frexp
1987# ifdef HAS_FREXPL
1988# define Perl_frexp(x,y) frexpl(x,y)
1989# else
1990# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
1991extern long double Perl_my_frexpl(long double x, int *e);
1992# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1993# endif
03476e8e 1994# endif
a3540c92 1995# endif
05b4a618
JH		 1996# ifndef Perl_ldexp
1997# ifdef HAS_LDEXPL
1998# define Perl_ldexp(x, y) ldexpl(x,y)
1999# else
2000# if defined(HAS_SCALBNL) && FLT_RADIX == 2
2001# define Perl_ldexp(x,y) scalbnl(x,y)
2002# endif
98181445
JH		 2003# endif
2004# endif
38dbb4c5 2005# ifndef Perl_isnan
e4c957f4 2006# if defined(HAS_ISNANL) && !(defined(isnan) && defined(HAS_C99))
758a5d79
JH		 2007# define Perl_isnan(x) isnanl(x)
2008# endif
2009# endif
2010# ifndef Perl_isinf
e4c957f4 2011# if defined(HAS_ISINFL) && !(defined(isinf) && defined(HAS_C99))
87190886 2012# define Perl_isinf(x) isinfl(x)
bcd8bfa9 2013# elif defined(LDBL_MAX) && !defined(NAN_COMPARE_BROKEN)
efcbf317 2014# define Perl_isinf(x) ((x) > LDBL_MAX || (x) < -LDBL_MAX)
a3540c92
JH		 2015# endif
2016# endif
e38461cc
JH		 2017# ifndef Perl_isfinite
2018# define Perl_isfinite(x) Perl_isfinitel(x)
2019# endif
65202027 2020#else
2d4389e4 2021# define NV_DIG DBL_DIG
d6c14000
JH		 2022# ifdef DBL_MANT_DIG
2023# define NV_MANT_DIG DBL_MANT_DIG
2024# endif
06fc1729
JH		 2025# ifdef DBL_MIN
2026# define NV_MIN DBL_MIN
2027# endif
2028# ifdef DBL_MAX
2029# define NV_MAX DBL_MAX
2030# endif
40bca5ae
JH		 2031# ifdef DBL_MIN_EXP
2032# define NV_MIN_EXP DBL_MIN_EXP
2033# endif
2034# ifdef DBL_MAX_EXP
2035# define NV_MAX_EXP DBL_MAX_EXP
2036# endif
06fc1729
JH		 2037# ifdef DBL_MIN_10_EXP
2038# define NV_MIN_10_EXP DBL_MIN_10_EXP
2039# endif
2040# ifdef DBL_MAX_10_EXP
2041# define NV_MAX_10_EXP DBL_MAX_10_EXP
2042# endif
2043# ifdef DBL_EPSILON
2044# define NV_EPSILON DBL_EPSILON
2045# endif
205f51d8 2046# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 2047# define NV_MAX DBL_MAX
2048# define NV_MIN DBL_MIN
2049# else
2050# ifdef HUGE_VAL
2051# define NV_MAX HUGE_VAL
2052# endif
2053# endif
940e3d56 2054
55da5e5b 2055/* These math interfaces are C89. */
8a00eddc
JH		 2056# define Perl_acos acos
2057# define Perl_asin asin
2058# define Perl_atan atan
940e3d56
JH		 2059# define Perl_atan2 atan2
2060# define Perl_ceil ceil
2061# define Perl_cos cos
8a00eddc 2062# define Perl_cosh cosh
940e3d56 2063# define Perl_exp exp
55da5e5b 2064/* no Perl_fabs, but there's PERL_ABS */
940e3d56
JH		 2065# define Perl_floor floor
2066# define Perl_fmod fmod
2067# define Perl_log log
8a00eddc 2068# define Perl_log10 log10
940e3d56
JH		 2069# define Perl_pow pow
2070# define Perl_sin sin
8a00eddc 2071# define Perl_sinh sinh
940e3d56 2072# define Perl_sqrt sqrt
8a00eddc
JH		 2073# define Perl_tan tan
2074# define Perl_tanh tanh
940e3d56
JH		 2075
2076# define Perl_modf(x,y) modf(x,y)
2077# define Perl_frexp(x,y) frexp(x,y)
2078# define Perl_ldexp(x,y) ldexp(x,y)
2079
1a322af2
JH		 2080# ifndef Perl_isnan
2081# ifdef HAS_ISNAN
2082# define Perl_isnan(x) isnan(x)
2083# endif
2084# endif
2085# ifndef Perl_isinf
2086# if defined(HAS_ISINF)
2087# define Perl_isinf(x) isinf(x)
bcd8bfa9 2088# elif defined(DBL_MAX) && !defined(NAN_COMPARE_BROKEN)
efcbf317 2089# define Perl_isinf(x) ((x) > DBL_MAX || (x) < -DBL_MAX)
1a322af2
JH		 2090# endif
2091# endif
2092# ifndef Perl_isfinite
2093# ifdef HAS_ISFINITE
2094# define Perl_isfinite(x) isfinite(x)
2095# elif defined(HAS_FINITE)
2096# define Perl_isfinite(x) finite(x)
2097# endif
2098# endif
758a5d79
JH		 2099#endif
2100
30404d48
JH		 2101/* fpclassify(): C99. It is supposed to be a macro that switches on
2102* the sizeof() of its argument, so there's no need for e.g. fpclassifyl().*/
2103#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2104# include <math.h>
25c46df8
JH		 2105# if defined(FP_INFINITE) && defined(FP_NAN)
2106# define Perl_fp_class(x) fpclassify(x)
2107# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_INFINITE)
2108# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_NAN)
2109# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_NORMAL)
2110# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_SUBNORMAL)
2111# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_ZERO)
2112# elif defined(FP_PLUS_INF) && defined(FP_QNAN)
2113/* Some versions of HP-UX (10.20) have (only) fpclassify() but which is
2114 * actually not the C99 fpclassify, with its own set of return defines. */
2115# define Perl_fp_class(x) fpclassify(x)
2116# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2117# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
82947af8 2118# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
25c46df8
JH		 2119# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2120# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1ae51000 2121# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
25c46df8
JH		 2122# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2123# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2124# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2125# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2126# else
2127# undef Perl_fp_class /* Unknown set of defines */
2128# endif
30404d48
JH		 2129#endif
2130
25c46df8
JH		 2131/* fp_classify(): Legacy: VMS, maybe Unicos? The values, however,
2132 * are identical to the C99 fpclassify(). */
2133#if !defined(Perl_fp_class) && defined(HAS_FP_CLASSIFY)
2134# include <math.h>
558f3e66
CB		 2135# ifdef __VMS
2136 /* FP_INFINITE and others are here rather than in math.h as C99 stipulates */
2137# include <fp.h>
56610b8f
CB		 2138 /* oh, and the isnormal macro has a typo in it! */
2139# undef isnormal
2140# define isnormal(x) Perl_fp_class_norm(x)
558f3e66 2141# endif
25c46df8
JH		 2142# if defined(FP_INFINITE) && defined(FP_NAN)
2143# define Perl_fp_class(x) fp_classify(x)
2144# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_INFINITE)
2145# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_NAN)
2146# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_NORMAL)
2147# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_SUBNORMAL)
2148# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_ZERO)
2149# else
2150# undef Perl_fp_class /* Unknown set of defines */
2151# endif
f279e099 2152#endif
205f51d8 2153
30404d48
JH		 2154/* Feel free to check with me for the SGI manpages, SGI testing,
2155 * etcetera, if you want to try getting this to work with IRIX.
2156 *
2157 * - Allen <allens@cpan.org> */
2158
2159/* fpclass(): SysV, at least Solaris and some versions of IRIX. */
758a5d79 2160#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
25c46df8
JH		 2161/* Solaris and IRIX have fpclass/fpclassl, but they are using
2162 * an enum typedef, not cpp symbols, and Configure doesn't detect that.
2163 * Define some symbols also as cpp symbols so we can detect them. */
2164# if defined(__sun) || defined(__irix__) /* XXX Configure test instead */
2165# define FP_PINF FP_PINF
2166# define FP_QNAN FP_QNAN
2167# endif
f279e099 2168# include <math.h>
758a5d79
JH		 2169# ifdef I_IEEFP
2170# include <ieeefp.h>
2171# endif
2172# ifdef I_FP
2173# include <fp.h>
2174# endif
2175# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
f279e099 2176# define Perl_fp_class(x) fpclassl(x)
758a5d79 2177# else
f279e099
JH		 2178# define Perl_fp_class(x) fpclass(x)
2179# endif
25c46df8 2180# if defined(FP_CLASS_PINF) && defined(FP_CLASS_SNAN)
f279e099
JH		 2181# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2182# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2183# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2184# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2185# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2186# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2187# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2188# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2189# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2190# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
25c46df8 2191# elif defined(FP_PINF) && defined(FP_QNAN)
f279e099
JH		 2192# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2193# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2194# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_NINF)
2195# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PINF)
2196# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_NNORM)
2197# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PNORM)
2198# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_NDENORM)
2199# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PDENORM)
2200# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_NZERO)
2201# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PZERO)
25c46df8
JH		 2202# else
2203# undef Perl_fp_class /* Unknown set of defines */
758a5d79 2204# endif
758a5d79
JH		 2205#endif
2206
30404d48
JH		 2207/* fp_class(): Legacy: at least Tru64, some versions of IRIX. */
2208#if !defined(Perl_fp_class) && (defined(HAS_FP_CLASS)||defined(HAS_FP_CLASSL))
758a5d79
JH		 2209# include <math.h>
2210# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2211# include <fp_class.h>
2212# endif
25c46df8
JH		 2213# if defined(FP_POS_INF) && defined(FP_QNAN)
2214# ifdef __irix__ /* XXX Configure test instead */
2215# ifdef USE_LONG_DOUBLE
2216# define Perl_fp_class(x) fp_class_l(x)
2217# else
2218# define Perl_fp_class(x) fp_class_d(x)
2219# endif
f279e099 2220# else
25c46df8
JH		 2221# if defined(USE_LONG_DOUBLE) && defined(HAS_FP_CLASSL)
2222# define Perl_fp_class(x) fp_classl(x)
2223# else
2224# define Perl_fp_class(x) fp_class(x)
2225# endif
f279e099 2226# endif
25c46df8
JH		 2227# if defined(FP_POS_INF) && defined(FP_QNAN)
2228# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2229# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2230# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_NEG_INF)
2231# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_POS_INF)
2232# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_NEG_NORM)
2233# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_POS_NORM)
2234# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_NEG_DENORM)
2235# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_POS_DENORM)
2236# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_NEG_ZERO)
2237# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_POS_ZERO)
30404d48 2238# else
25c46df8 2239# undef Perl_fp_class /* Unknown set of defines */
30404d48 2240# endif
f279e099 2241# endif
30404d48
JH		 2242#endif
2243
052758ae 2244/* class(), _class(): Legacy: AIX. */
758a5d79
JH		 2245#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2246# include <math.h>
25c46df8
JH		 2247# if defined(FP_PLUS_NORM) && defined(FP_PLUS_INF)
2248# ifndef _cplusplus
2249# define Perl_fp_class(x) class(x)
2250# else
2251# define Perl_fp_class(x) _class(x)
2252# endif
2253# if defined(FP_PLUS_INF) && defined(FP_NANQ)
2254# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2255# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2256# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2257# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2258# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2259# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2260# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2261# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2262# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2263# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2264# else
2265# undef Perl_fp_class /* Unknown set of defines */
2266# endif
758a5d79 2267# endif
30404d48
JH		 2268#endif
2269
2270/* Win32: _fpclass(), _isnan(), _finite(). */
796ea9ea
JH		 2271#ifdef WIN32
2272# ifndef Perl_isnan
2273# define Perl_isnan(x) _isnan(x)
2274# endif
2275# ifndef Perl_isfinite
2276# define Perl_isfinite(x) _finite(x)
2277# endif
2278# ifndef Perl_fp_class_snan
25c46df8
JH		 2279/* No simple way to #define Perl_fp_class because _fpclass()
2280 * returns a set of bits. */
796ea9ea
JH		 2281# define Perl_fp_class_snan(x) (_fpclass(x) & _FPCLASS_SNAN)
2282# define Perl_fp_class_qnan(x) (_fpclass(x) & _FPCLASS_QNAN)
82947af8 2283# define Perl_fp_class_nan(x) (_fpclass(x) & (_FPCLASS_SNAN|_FPCLASS_QNAN))
796ea9ea
JH		 2284# define Perl_fp_class_ninf(x) (_fpclass(x) & _FPCLASS_NINF))
2285# define Perl_fp_class_pinf(x) (_fpclass(x) & _FPCLASS_PINF))
2286# define Perl_fp_class_inf(x) (_fpclass(x) & (_FPCLASS_NINF|_FPCLASS_PINF))
2287# define Perl_fp_class_nnorm(x) (_fpclass(x) & _FPCLASS_NN)
2288# define Perl_fp_class_pnorm(x) (_fpclass(x) & _FPCLASS_PN)
2289# define Perl_fp_class_norm(x) (_fpclass(x) & (_FPCLASS_NN|_FPCLASS_PN))
2290# define Perl_fp_class_ndenorm(x) (_fpclass(x) & _FPCLASS_ND)
2291# define Perl_fp_class_pdenorm(x) (_fpclass(x) & _FPCLASS_PD)
2292# define Perl_fp_class_denorm(x) (_fpclass(x) & (_FPCLASS_ND|_FPCLASS_PD))
2293# define Perl_fp_class_nzero(x) (_fpclass(x) & _FPCLASS_NZ)
2294# define Perl_fp_class_pzero(x) (_fpclass(x) & _FPCLASS_PZ)
2295# define Perl_fp_class_zero(x) (_fpclass(x) & (_FPCLASS_NZ|_FPCLASS_PZ))
2296# endif
f279e099
JH		 2297#endif
2298
2299#if !defined(Perl_fp_class_inf) && \
2300 defined(Perl_fp_class_pinf) && defined(Perl_fp_class_ninf)
2301# define Perl_fp_class_inf(x) \
2302 (Perl_fp_class_pinf(x) || Perl_fp_class_ninf(x))
2303#endif
2304
2305#if !defined(Perl_fp_class_nan) && \
2306 defined(Perl_fp_class_snan) && defined(Perl_fp_class_qnan)
2307# define Perl_fp_class_nan(x) \
2308 (Perl_fp_class_snan(x) || Perl_fp_class_qnan(x))
2309#endif
2310
2311#if !defined(Perl_fp_class_zero) && \
2312 defined(Perl_fp_class_pzero) && defined(Perl_fp_class_nzero)
2313# define Perl_fp_class_zero(x) \
2314 (Perl_fp_class_pzero(x) || Perl_fp_class_nzero(x))
2315#endif
2316
2317#if !defined(Perl_fp_class_norm) && \
2318 defined(Perl_fp_class_pnorm) && defined(Perl_fp_class_nnorm)
2319# define Perl_fp_class_norm(x) \
2320 (Perl_fp_class_pnorm(x) || Perl_fp_class_nnorm(x))
2321#endif
2322
2323#if !defined(Perl_fp_class_denorm) && \
2324 defined(Perl_fp_class_pdenorm) && defined(Perl_fp_class_ndenorm)
2325# define Perl_fp_class_denorm(x) \
2326 (Perl_fp_class_pdenorm(x) || Perl_fp_class_ndenorm(x))
796ea9ea 2327#endif
758a5d79 2328
1a322af2
JH		 2329#ifdef UNDER_CE
2330int isnan(double d);
2331#endif
2332
758a5d79 2333#ifndef Perl_isnan
1a322af2
JH		 2334# ifdef Perl_fp_class_nan
2335# define Perl_isnan(x) Perl_fp_class_nan(x)
758a5d79 2336# else
1a322af2
JH		 2337# ifdef HAS_UNORDERED
2338# define Perl_isnan(x) unordered((x), 0.0)
758a5d79 2339# else
1a322af2 2340# define Perl_isnan(x) ((x)!=(x))
758a5d79
JH		 2341# endif
2342# endif
2343#endif
2344
1a322af2
JH		 2345#ifndef Perl_isinf
2346# ifdef Perl_fp_class_inf
2347# define Perl_isinf(x) Perl_fp_class_inf(x)
2348# endif
ca6c63e1
JH		 2349#endif
2350
758a5d79 2351#ifndef Perl_isfinite
25c46df8 2352# if defined(HAS_ISFINITE) && !defined(isfinite)
c496ca58 2353# define Perl_isfinite(x) isfinite((double)(x))
4efd38a4 2354# elif defined(HAS_FINITE)
c496ca58 2355# define Perl_isfinite(x) finite((double)(x))
4efd38a4
JH		 2356# elif defined(Perl_fp_class_finite)
2357# define Perl_isfinite(x) Perl_fp_class_finite(x)
758a5d79 2358# else
c496ca58
JH		 2359/* For the infinities the multiplication returns nan,
2360 * for the nan the multiplication also returns nan,
2361 * for everything else (that is, finite) zero should be returned. */
4efd38a4 2362# define Perl_isfinite(x) (((x) * 0) == 0)
a3540c92 2363# endif
65202027
DS		 2364#endif
2365
25c46df8
JH		 2366#ifndef Perl_isinf
2367# if defined(Perl_isfinite) && defined(Perl_isnan)
2368# define Perl_isinf(x) !(Perl_isfinite(x)||Perl_isnan(x))
2369# endif
2370#endif
2371
d3685250
JH		 2372/* We need Perl_isfinitel (ends with ell) (if available) even when
2373 * not USE_LONG_DOUBLE because the printf code (sv_catpvfn_flags)
2374 * needs that. */
2375#if defined(HAS_LONG_DOUBLE) && !defined(Perl_isfinitel)
2376/* If isfinite() is a macro and looks like we have C99,
2377 * we assume it's the type-aware C99 isfinite(). */
c06e9e3e 2378# if defined(HAS_ISFINITE) && defined(isfinite) && defined(HAS_C99)
d3685250
JH		 2379# define Perl_isfinitel(x) isfinite(x)
2380# elif defined(HAS_ISFINITEL)
2381# define Perl_isfinitel(x) isfinitel(x)
2382# elif defined(HAS_FINITEL)
2383# define Perl_isfinitel(x) finitel(x)
2384# elif defined(HAS_INFL) && defined(HAS_NANL)
2385# define Perl_isfinitel(x) !(isinfl(x)||isnanl(x))
16334e6e 2386# else
99bf9e32 2387# define Perl_isfinitel(x) ((x) * 0 == 0) /* See Perl_isfinite. */
d3685250
JH		 2388# endif
2389#endif
2390
a36244b7
JH		 2391/* The default is to use Perl's own atof() implementation (in numeric.c).
2392 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2393 * it is however best to use the native implementation of atof.
2394 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2395 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2396 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2397 * you may need to be using a different function than atof! */
a36244b7
JH		 2398
2399#ifndef USE_PERL_ATOF
2400# ifndef _UNICOS
2401# define USE_PERL_ATOF
2402# endif
2403#else
2404# if USE_PERL_ATOF == 0
2405# undef USE_PERL_ATOF
2406# endif
2407#endif
2408
2409#ifdef USE_PERL_ATOF
2410# define Perl_atof(s) Perl_my_atof(s)
2411# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2412#else
2413# define Perl_atof(s) (NV)atof(s)
2414# define Perl_atof2(s, n) ((n) = atof(s))
2415#endif
cf2093f6 2416
d460ef45 2417/* Previously these definitions used hardcoded figures.
760ac839
LW		 2418 * It is hoped these formula are more portable, although
2419 * no data one way or another is presently known to me.
2420 * The "PERL_" names are used because these calculated constants
2421 * do not meet the ANSI requirements for LONG_MAX, etc., which
2422 * need to be constants acceptable to #if - kja
2423 * define PERL_LONG_MAX 2147483647L
2424 * define PERL_LONG_MIN (-LONG_MAX - 1)
2425 * define PERL ULONG_MAX 4294967295L
2426 */
2427
2428#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2429# include <limits.h>
760ac839 2430#endif
205f51d8 2431/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2432 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2433
99abf803 2434/*
2435 * Try to figure out max and min values for the integral types. THE CORRECT
2436 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2437 * following hacks are used if neither limits.h or values.h provide them:
2438 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2439 * for types < int: (unsigned TYPE)~(unsigned)0
2440 * The argument to ~ must be unsigned so that later signed->unsigned
2441 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2442 * and it must not be smaller than int because ~ does integral promotion.
2443 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2444 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2445 * The latter is a hack which happens to work on some machines but
2446 * does *not* catch any random system, or things like integer types
2447 * with NaN if that is possible.
2448 *
2449 * All of the types are explicitly cast to prevent accidental loss of
2450 * numeric range, and in the hope that they will be less likely to confuse
2451 * over-eager optimizers.
2452 *
2453 */
27d4fb96 2454
99abf803 2455#define PERL_UCHAR_MIN ((unsigned char)0)
2456
2457#ifdef UCHAR_MAX
2458# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2459#else
99abf803 2460# ifdef MAXUCHAR
2461# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2462# else
99abf803 2463# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2464# endif
2465#endif
d460ef45 2466
99abf803 2467/*
2468 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2469 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2470 * depending on local options. Until Configure detects this (or at least
2471 * detects whether the "signed" keyword is available) the CHAR ranges
2472 * will not be included. UCHAR functions normally.
2473 * - kja
2474 */
27d4fb96 2475
99abf803 2476#define PERL_USHORT_MIN ((unsigned short)0)
2477
2478#ifdef USHORT_MAX
2479# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2480#else
99abf803 2481# ifdef MAXUSHORT
2482# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2483# else
ef2f54b0
CB		 2484# ifdef USHRT_MAX
2485# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2486# else
2487# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2488# endif
27d4fb96 2489# endif
2490#endif
2491
27d4fb96 2492#ifdef SHORT_MAX
99abf803 2493# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2494#else
2495# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2496# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2497# else
ef2f54b0
CB		 2498# ifdef SHRT_MAX
2499# define PERL_SHORT_MAX ((short)SHRT_MAX)
2500# else
2501# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2502# endif
27d4fb96 2503# endif
2504#endif
2505
2506#ifdef SHORT_MIN
99abf803 2507# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2508#else
2509# ifdef MINSHORT
99abf803 2510# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2511# else
ef2f54b0
CB		 2512# ifdef SHRT_MIN
2513# define PERL_SHORT_MIN ((short)SHRT_MIN)
2514# else
2515# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2516# endif
27d4fb96 2517# endif
2518#endif
2519
99abf803 2520#ifdef UINT_MAX
2521# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2522#else
99abf803 2523# ifdef MAXUINT
2524# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2525# else
99abf803 2526# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2527# endif
2528#endif
2529
99abf803 2530#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2531
2532#ifdef INT_MAX
99abf803 2533# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2534#else
2535# ifdef MAXINT /* Often used in <values.h> */
99abf803 2536# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2537# else
99abf803 2538# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2539# endif
2540#endif
2541
2542#ifdef INT_MIN
99abf803 2543# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2544#else
2545# ifdef MININT
99abf803 2546# define PERL_INT_MIN ((int)MININT)
27d4fb96 2547# else
2548# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2549# endif
2550#endif
2551
99abf803 2552#ifdef ULONG_MAX
2553# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2554#else
99abf803 2555# ifdef MAXULONG
2556# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2557# else
99abf803 2558# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2559# endif
2560#endif
2561
99abf803 2562#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2563
760ac839 2564#ifdef LONG_MAX
99abf803 2565# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2566#else
2567# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2568# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2569# else
99abf803 2570# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2571# endif
2572#endif
2573
2574#ifdef LONG_MIN
99abf803 2575# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2576#else
2577# ifdef MINLONG
99abf803 2578# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2579# else
27d4fb96 2580# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2581# endif
2582#endif
2583
d7d93a81 2584#ifdef UV_IS_QUAD
99abf803 2585
99abf803 2586# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2587# define PERL_UQUAD_MIN ((UV)0)
99abf803 2588# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2589# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2590
79072805
LW		 2591#endif
2592
ee0007ab 2593typedef MEM_SIZE STRLEN;
450a55e4 2594
79072805
LW		 2595typedef struct op OP;
2596typedef struct cop COP;
2597typedef struct unop UNOP;
2598typedef struct binop BINOP;
2599typedef struct listop LISTOP;
2600typedef struct logop LOGOP;
79072805
LW		 2601typedef struct pmop PMOP;
2602typedef struct svop SVOP;
7934575e 2603typedef struct padop PADOP;
79072805 2604typedef struct pvop PVOP;
79072805 2605typedef struct loop LOOP;
b46e009d 2606typedef struct methop METHOP;
79072805 2607
7aef8e5b 2608#ifdef PERL_CORE
8be227ab
FC		 2609typedef struct opslab OPSLAB;
2610typedef struct opslot OPSLOT;
2611#endif
2612
52db365a 2613typedef struct block_hooks BHK;
1830b3d9 2614typedef struct custom_op XOP;
52db365a 2615
cd1541b2
NC		 2616typedef struct interpreter PerlInterpreter;
2617
d2b3f365 2618/* SGI's <sys/sema.h> has struct sv */
cc3315ba 2619#if defined(__sgi)
d2b3f365 2620# define STRUCT_SV perl_sv
b8d3c5db
JH		 2621#else
2622# define STRUCT_SV sv
2623#endif
2624typedef struct STRUCT_SV SV;
79072805
LW		 2625typedef struct av AV;
2626typedef struct hv HV;
2627typedef struct cv CV;
d2f13c59 2628typedef struct p5rx REGEXP;
79072805 2629typedef struct gp GP;
0c30d9ec 2630typedef struct gv GV;
8990e307 2631typedef struct io IO;
c09156bb 2632typedef struct context PERL_CONTEXT;
79072805
LW		 2633typedef struct block BLOCK;
2634
2635typedef struct magic MAGIC;
2636typedef struct xpv XPV;
2637typedef struct xpviv XPVIV;
ff68c719 2638typedef struct xpvuv XPVUV;
79072805
LW		 2639typedef struct xpvnv XPVNV;
2640typedef struct xpvmg XPVMG;
2641typedef struct xpvlv XPVLV;
d361b004 2642typedef struct xpvinvlist XINVLIST;
79072805
LW		 2643typedef struct xpvav XPVAV;
2644typedef struct xpvhv XPVHV;
2645typedef struct xpvgv XPVGV;
2646typedef struct xpvcv XPVCV;
2647typedef struct xpvbm XPVBM;
2648typedef struct xpvfm XPVFM;
8990e307 2649typedef struct xpvio XPVIO;
79072805
LW		 2650typedef struct mgvtbl MGVTBL;
2651typedef union any ANY;
5f7fde29
GS		 2652typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2653typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2654typedef struct clone_params CLONE_PARAMS;
2655
35e035cc 2656/* a pad or name pad is currently just an AV; but that might change,
7261499d
FC		 2657 * so hide the type. */
2658typedef struct padlist PADLIST;
67634234 2659typedef AV PAD;
35e035cc
FC		 2660typedef AV PADNAMELIST;
2661typedef SV PADNAME;
67634234 2662
13b0f67d
DM		 2663/* enable PERL_NEW_COPY_ON_WRITE by default */
2664#if !defined(PERL_OLD_COPY_ON_WRITE) && !defined(PERL_NEW_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2665# define PERL_NEW_COPY_ON_WRITE
2666#endif
07d01d6e 2667
db2c6cb3
FC		 2668#if defined(PERL_OLD_COPY_ON_WRITE) || defined(PERL_NEW_COPY_ON_WRITE)
2669# if defined(PERL_OLD_COPY_ON_WRITE) && defined(PERL_NEW_COPY_ON_WRITE)
2670# error PERL_OLD_COPY_ON_WRITE and PERL_NEW_COPY_ON_WRITE are exclusive
2671# else
2672# define PERL_ANY_COW
2673# endif
9f351b45
DM		 2674#else
2675# define PERL_SAWAMPERSAND
db2c6cb3
FC		 2676#endif
2677
40653c20
FC		 2678#if defined(PERL_DEBUG_READONLY_OPS) && !defined(USE_ITHREADS)
2679# error PERL_DEBUG_READONLY_OPS only works with ithreads
2680#endif
2681
378cc40b 2682#include "handy.h"
a0d0e21e 2683
6b8eaf93 2684#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2685# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2686# define USE_64_BIT_RAWIO /* implicit */
2687# endif
4564133c
JH		 2688#endif
2689
6b8eaf93
JH		 2690/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2691 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2692 * however, because operating systems like to do that themself. */
2693#ifndef FSEEKSIZE
2694# ifdef HAS_FSEEKO
2695# define FSEEKSIZE LSEEKSIZE
2696# else
2697# define FSEEKSIZE LONGSIZE
d460ef45 2698# endif
6b8eaf93
JH		 2699#endif
2700
2701#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2702# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2703# define USE_64_BIT_STDIO /* implicit */
2704# endif
2705#endif
4564133c 2706
09458382 2707#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2708# ifdef HAS_OFF64_T
2709# undef Off_t
2710# define Off_t off64_t
2711# undef LSEEKSIZE
2712# define LSEEKSIZE 8
5ff3f7a4 2713# endif
d9b3e12d
JH		 2714/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2715 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2716 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2717# if defined(USE_OPEN64)
2718# define open open64
5ff3f7a4 2719# endif
d9b3e12d
JH		 2720# if defined(USE_LSEEK64)
2721# define lseek lseek64
6b8eaf93
JH		 2722# else
2723# if defined(USE_LLSEEK)
2724# define lseek llseek
2725# endif
d9b3e12d
JH		 2726# endif
2727# if defined(USE_STAT64)
2728# define stat stat64
2729# endif
2730# if defined(USE_FSTAT64)
2731# define fstat fstat64
2732# endif
2733# if defined(USE_LSTAT64)
2734# define lstat lstat64
2735# endif
2736# if defined(USE_FLOCK64)
2737# define flock flock64
2738# endif
2739# if defined(USE_LOCKF64)
2740# define lockf lockf64
2741# endif
2742# if defined(USE_FCNTL64)
2743# define fcntl fcntl64
2744# endif
2745# if defined(USE_TRUNCATE64)
2746# define truncate truncate64
2747# endif
2748# if defined(USE_FTRUNCATE64)
2749# define ftruncate ftruncate64
2750# endif
2751#endif
2752
2753#ifdef USE_64_BIT_STDIO
2754# ifdef HAS_FPOS64_T
2755# undef Fpos_t
2756# define Fpos_t fpos64_t
2757# endif
2758/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2759 * will trigger defines like the ones below. Some 64-bit environments,
2760 * however, do not. */
2761# if defined(USE_FOPEN64)
2762# define fopen fopen64
2763# endif
2764# if defined(USE_FSEEK64)
6b8eaf93 2765# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2766# endif
2767# if defined(USE_FTELL64)
6b8eaf93 2768# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2769# endif
2770# if defined(USE_FSETPOS64)
2771# define fsetpos fsetpos64
2772# endif
2773# if defined(USE_FGETPOS64)
2774# define fgetpos fgetpos64
2775# endif
2776# if defined(USE_TMPFILE64)
2777# define tmpfile tmpfile64
2778# endif
2779# if defined(USE_FREOPEN64)
2780# define freopen freopen64
5ff3f7a4
GS		 2781# endif
2782#endif
2783
e37778c2 2784#if defined(OS2)
2c2d71f5
JH		 2785# include "iperlsys.h"
2786#endif
2787
748a9306 2788#ifdef DOSISH
19848b3f
JH		 2789# if defined(OS2)
2790# include "os2ish.h"
2791# else
2792# include "dosish.h"
2793# endif
009819bb 2794#elif defined(VMS)
748a9306 2795# include "vmsish.h"
009819bb 2796#elif defined(PLAN9)
19848b3f 2797# include "./plan9/plan9ish.h"
009819bb 2798#elif defined(__VOS__)
196918b0
PG		 2799# ifdef __GNUC__
2800# include "./vos/vosish.h"
2801# else
2802# include "vos/vosish.h"
2803# endif
009819bb 2804#elif defined(__SYMBIAN32__)
27da23d5 2805# include "symbian/symbianish.h"
009819bb 2806#elif defined(__HAIKU__)
df00ff3b 2807# include "haiku/haikuish.h"
009819bb 2808#else
19848b3f 2809# include "unixish.h"
13b6e58c
JH		 2810#endif
2811
2946a158
JH		 2812/* NSIG logic from Configure --> */
2813/* Strange style to avoid deeply-nested #if/#else/#endif */
2814#ifndef NSIG
2815# ifdef _NSIG
2816# define NSIG (_NSIG)
2817# endif
2818#endif
2819
2820#ifndef NSIG
2821# ifdef SIGMAX
2822# define NSIG (SIGMAX+1)
2823# endif
2824#endif
2825
2826#ifndef NSIG
2827# ifdef SIG_MAX
2828# define NSIG (SIG_MAX+1)
2829# endif
2830#endif
2831
2832#ifndef NSIG
2833# ifdef _SIG_MAX
2834# define NSIG (_SIG_MAX+1)
2835# endif
2836#endif
2837
2838#ifndef NSIG
2839# ifdef MAXSIG
2840# define NSIG (MAXSIG+1)
2841# endif
2842#endif
2843
2844#ifndef NSIG
2845# ifdef MAX_SIG
2846# define NSIG (MAX_SIG+1)
2847# endif
2848#endif
2849
2850#ifndef NSIG
2851# ifdef SIGARRAYSIZE
2852# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2853# endif
2854#endif
2855
2856#ifndef NSIG
2857# ifdef _sys_nsig
2858# define NSIG (_sys_nsig) /* Solaris 2.5 */
2859# endif
2860#endif
2861
2862/* Default to some arbitrary number that's big enough to get most
2863 of the common signals.
2864*/
2865#ifndef NSIG
2866# define NSIG 50
2867#endif
2868/* <-- NSIG logic from Configure */
2869
13b6e58c
JH		 2870#ifndef NO_ENVIRON_ARRAY
2871# define USE_ENVIRON_ARRAY
2872#endif
32f822de 2873
c77b533b
JH		 2874/*
2875 * initialise to avoid floating-point exceptions from overflow, etc
2876 */
2877#ifndef PERL_FPU_INIT
2878# ifdef HAS_FPSETMASK
2879# if HAS_FLOATINGPOINT_H
2880# include <floatingpoint.h>
2881# endif
ad3a8c67
NC		 2882/* Some operating systems have this as a macro, which in turn expands to a comma
2883 expression, and the last sub-expression is something that gets calculated,
2884 and then they have the gall to warn that a value computed is not used. Hence
2885 cast to void. */
2886# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2887# else
2f42fcb0 2888# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2889# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2890# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2891# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2892# else
2893# define PERL_FPU_INIT
2f42fcb0 2894
7014c407 2895# endif
c77b533b
JH		 2896# endif
2897#endif
b35112e7
CS		 2898#ifndef PERL_FPU_PRE_EXEC
2899# define PERL_FPU_PRE_EXEC {
2900# define PERL_FPU_POST_EXEC }
2901#endif
c77b533b 2902
a308b05a
JH		 2903/* In Tru64 the cc -ieee enables the IEEE math but disables traps.
2904 * We need to reenable the "invalid" trap because otherwise generation
2905 * of NaN values leaves the IEEE fp flags in bad state, leaving any further
2906 * fp ops behaving strangely (Inf + 1 resulting in zero, for example). */
2907#ifdef __osf__
2908# include <machine/fpu.h>
2909# define PERL_SYS_FPU_INIT \
2910 STMT_START { \
2911 ieee_set_fp_control(IEEE_TRAP_ENABLE_INV); \
2912 signal(SIGFPE, SIG_IGN); \
2913 } STMT_END
2914#endif
2915
2916#ifndef PERL_SYS_FPU_INIT
2917# define PERL_SYS_FPU_INIT NOOP
2918#endif
2919
cbec8ebe
DM		 2920#ifndef PERL_SYS_INIT3_BODY
2921# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2922#endif
2923
eb533572 2924/*
dcccc8ff
KW		 2925=head1 Miscellaneous Functions
2926
4ad9e498 2927=for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
eb533572 2928Provides system-specific tune up of the C runtime environment necessary to
72d33970 2929run Perl interpreters. This should be called only once, before creating
eb533572
DM		 2930any Perl interpreters.
2931
4ad9e498 2932=for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
eb533572 2933Provides system-specific tune up of the C runtime environment necessary to
72d33970 2934run Perl interpreters. This should be called only once, before creating
eb533572
DM		 2935any Perl interpreters.
2936
2937=for apidoc Am|void|PERL_SYS_TERM|
2938Provides system-specific clean up of the C runtime environment after
72d33970 2939running Perl interpreters. This should be called only once, after
eb533572
DM		 2940freeing any remaining Perl interpreters.
2941
2942=cut
2943 */
2944
cbec8ebe
DM		 2945#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2946#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2947#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2948
be708cc0
JH		 2949#ifndef PERL_WRITE_MSG_TO_CONSOLE
2950# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2951#endif
2952
0f31cffe
GS		 2953#ifndef MAXPATHLEN
2954# ifdef PATH_MAX
b990c8b2
JH		 2955# ifdef _POSIX_PATH_MAX
2956# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2957/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2958 * included the null byte or not. Later amendments of POSIX,
2959 * XPG4, the Austin Group, and the Single UNIX Specification
2960 * all explicitly include the null byte in the PATH_MAX.
2961 * Ditto for _POSIX_PATH_MAX. */
2962# define MAXPATHLEN PATH_MAX
b990c8b2 2963# else
09448d78 2964# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2965# endif
2966# else
2967# define MAXPATHLEN (PATH_MAX+1)
2968# endif
0f31cffe 2969# else
d552bce8 2970# define MAXPATHLEN 1024 /* Err on the large side. */
0f31cffe
GS		 2971# endif
2972#endif
2973
c80263a8
SH		 2974/* In case Configure was not used (we are using a "canned config"
2975 * such as Win32, or a cross-compilation setup, for example) try going
2976 * by the gcc major and minor versions. One useful URL is
2977 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2978 * but contrary to this information warn_unused_result seems
2979 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2980 * Also, when building extensions with an installed perl, this allows
2981 * the user to upgrade gcc and get the right attributes, rather than
2982 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2983 * Set these up now otherwise we get confused when some of the <*thread.h>
2984 * includes below indirectly pull in <perlio.h> (which needs to know if we
2985 * have HASATTRIBUTE_FORMAT).
2986 */
2987
4d7c7898 2988#ifndef PERL_MICRO
fc2007d4 2989#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2990# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2991# define HASATTRIBUTE_DEPRECATED
2992# endif
c80263a8
SH		 2993# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2994# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2995# if defined __MINGW32__
2996# define PRINTF_FORMAT_NULL_OK
2997# endif
c80263a8
SH		 2998# endif
2999# if __GNUC__ >= 3 /* 3.0 -> */
3000# define HASATTRIBUTE_MALLOC
3001# endif
3002# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
3003# define HASATTRIBUTE_NONNULL
3004# endif
3005# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
3006# define HASATTRIBUTE_NORETURN
3007# endif
3008# if __GNUC__ >= 3 /* gcc 3.0 -> */
3009# define HASATTRIBUTE_PURE
3010# endif
42bf5550 3011# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 3012# define HASATTRIBUTE_UNUSED
3013# endif
d324fe49
AD		 3014# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
3015# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
3016# endif
c80263a8
SH		 3017# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
3018# define HASATTRIBUTE_WARN_UNUSED_RESULT
3019# endif
3020#endif
00f254e2 3021#endif /* #ifndef PERL_MICRO */
c80263a8 3022
3db8f154 3023/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 3024 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 3025 * this results in many functions being undeclared which bothers C++
3026 * May make sense to have threads after "*ish.h" anyway
3027 */
3028
3db8f154 3029#if defined(USE_ITHREADS)
2986a63f
JH		 3030# ifdef NETWARE
3031# include <nw5thread.h>
3032# else
32f822de
GS		 3033# ifdef WIN32
3034# include <win32thread.h>
3035# else
dd96f567
IZ		 3036# ifdef OS2
3037# include "os2thread.h"
3038# else
7f3d1cf1 3039# ifdef I_MACH_CTHREADS
bdd66968 3040# include <mach/cthreads.h>
7f3d1cf1
BH		 3041typedef cthread_t perl_os_thread;
3042typedef mutex_t perl_mutex;
3043typedef condition_t perl_cond;
3044typedef void * perl_key;
3045# else /* Posix threads */
1f5ae88c
JH		 3046# ifdef I_PTHREAD
3047# include <pthread.h>
3048# endif
7f3d1cf1
BH		 3049typedef pthread_t perl_os_thread;
3050typedef pthread_mutex_t perl_mutex;
3051typedef pthread_cond_t perl_cond;
3052typedef pthread_key_t perl_key;
3053# endif /* I_MACH_CTHREADS */
dd96f567 3054# endif /* OS2 */
32f822de 3055# endif /* WIN32 */
ef4abe76 3056# endif /* NETWARE */
3db8f154 3057#endif /* USE_ITHREADS */
c5be433b 3058
66a93824 3059#if defined(WIN32)
1feb2720 3060# include "win32.h"
c5be433b
GS		 3061#endif
3062
2986a63f
JH		 3063#ifdef NETWARE
3064# include "netware.h"
3065#endif
3066
e5218da5 3067#define STATUS_UNIX PL_statusvalue
68dc0745 3068#ifdef VMS
6b88bc9c 3069# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 3070/*
3071 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 3072 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 3073 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
3074 * be updated also.
3075 */
3076# include <stsdef.h>
3077# include <ssdef.h>
3078/* Presume this because if VMS changes it, it will require a new
3079 * set of APIs for waiting on children for binary compatibility.
3080 */
3081# define child_offset_bits (8)
3082# ifndef C_FAC_POSIX
3083# define C_FAC_POSIX 0x35A000
3084# endif
3085
3086/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
3087 * platform from the existing UNIX or Native status values.
3088 */
3089
37038d91 3090# define STATUS_EXIT \
7a7fd8e0
JM		 3091 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
3092 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
3093
7a7fd8e0 3094
fb38d079
JM		 3095/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
3096 * exit code and shifts the UNIX value over the correct number of bits to
3097 * be a child status. Usually the number of bits is 8, but that could be
3098 * platform dependent. The NATIVE status code is presumed to have either
3099 * from a child process.
7a7fd8e0
JM		 3100 */
3101
fb38d079
JM		 3102/* This is complicated. The child processes return a true native VMS
3103 status which must be saved. But there is an assumption in Perl that
3104 the UNIX child status has some relationship to errno values, so
00f254e2 3105 Perl tries to translate it to text in some of the tests.
fb38d079
JM		 3106 In order to get the string translation correct, for the error, errno
3107 must be EVMSERR, but that generates a different text message
3108 than what the test programs are expecting. So an errno value must
3109 be derived from the native status value when an error occurs.
3110 That will hide the true native status message. With this version of
3111 perl, the true native child status can always be retrieved so that
3112 is not a problem. But in this case, Pl_statusvalue and errno may
3113 have different values in them.
3114 */
7a7fd8e0 3115
fb38d079 3116# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 3117 STMT_START { \
2fbb330f
JM		 3118 I32 evalue = (I32)n; \
3119 if (evalue == EVMSERR) { \
3120 PL_statusvalue_vms = vaxc$errno; \
3121 PL_statusvalue = evalue; \
7a7fd8e0 3122 } else { \
2fbb330f 3123 PL_statusvalue_vms = evalue; \
fb38d079 3124 if (evalue == -1) { \
3280af22 3125 PL_statusvalue = -1; \
7a7fd8e0
JM		 3126 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
3127 } else \
fb38d079 3128 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 3129 set_vaxc_errno(evalue); \
fb38d079
JM		 3130 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
3131 set_errno(EVMSERR); \
3132 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
3133 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 3134 } \
68dc0745 3135 } STMT_END
7a7fd8e0 3136
68dc0745 3137# ifdef VMSISH_STATUS
e5218da5 3138# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 3139# else
e5218da5 3140# define STATUS_CURRENT STATUS_UNIX
68dc0745 3141# endif
7a7fd8e0
JM		 3142
3143 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
3144 * the NATIVE status to an equivalent value. Can not be used to translate
3145 * exit code values as exit code values are not guaranteed to have any
3146 * relationship at all to errno values.
3147 * This is used when Perl is forcing errno to have a specific value.
3148 */
e5218da5 3149# define STATUS_UNIX_SET(n) \
68dc0745 3150 STMT_START { \
7a7fd8e0 3151 I32 evalue = (I32)n; \
0968cdad 3152 PL_statusvalue = evalue; \
3280af22 3153 if (PL_statusvalue != -1) { \
0968cdad
JM		 3154 if (PL_statusvalue != EVMSERR) { \
3155 PL_statusvalue &= 0xFFFF; \
3156 if (MY_POSIX_EXIT) \
3157 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
3158 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
3159 } \
3160 else { \
3161 PL_statusvalue_vms = vaxc$errno; \
3162 } \
68dc0745 3163 } \
0968cdad
JM		 3164 else PL_statusvalue_vms = SS$_ABORT; \
3165 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 3166 } STMT_END
3167
3168 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 3169 * the NATIVE error status based on it.
3170 *
3171 * When in the default mode to comply with the Perl VMS documentation,
3172 * 0 is a success and any other code sets the NATIVE status to a failure
3173 * code of SS$_ABORT.
fb38d079
JM		 3174 *
3175 * In the new POSIX EXIT mode, native status will be set so that the
3176 * actual exit code will can be retrieved by the calling program or
3177 * shell.
3178 *
3179 * If the exit code is not clearly a UNIX parent or child exit status,
3180 * it will be passed through as a VMS status.
7a7fd8e0
JM		 3181 */
3182
fb38d079 3183# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 3184 STMT_START { \
3185 I32 evalue = (I32)n; \
3186 PL_statusvalue = evalue; \
e08e1e1d
JM		 3187 if (MY_POSIX_EXIT) { \
3188 if (evalue <= 0xFF00) { \
3189 if (evalue > 0xFF) \
3190 evalue = (evalue >> child_offset_bits) & 0xFF; \
3191 PL_statusvalue_vms = \
3192 (C_FAC_POSIX | (evalue << 3 ) | \
3193 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
3194 } else /* forgive them Perl, for they have sinned */ \
3195 PL_statusvalue_vms = evalue; \
3196 } else { \
3197 if (evalue == 0) \
3198 PL_statusvalue_vms = SS$_NORMAL; \
3199 else if (evalue <= 0xFF00) \
3200 PL_statusvalue_vms = SS$_ABORT; \
3201 else { /* forgive them Perl, for they have sinned */ \
3202 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3203 else PL_statusvalue_vms = vaxc$errno; \
3204 /* And obviously used a VMS status value instead of UNIX */ \
3205 PL_statusvalue = EVMSERR; \
3206 } \
3207 set_vaxc_errno(PL_statusvalue_vms); \
3208 } \
68dc0745 3209 } STMT_END
fb38d079 3210
e08e1e1d 3211
6ac6a52b
JM		 3212 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3213 * and sets the NATIVE error status based on it. This special case
3214 * is needed to maintain compatibility with past VMS behavior.
3215 *
3216 * In the default mode on VMS, this number is passed through as
3217 * both the NATIVE and UNIX status. Which makes it different
3218 * that the STATUS_UNIX_EXIT_SET.
3219 *
3220 * In the new POSIX EXIT mode, native status will be set so that the
3221 * actual exit code will can be retrieved by the calling program or
3222 * shell.
3223 *
1a3aec58
JM		 3224 * A POSIX exit code is from 0 to 255. If the exit code is higher
3225 * than this, it needs to be assumed that it is a VMS exit code and
3226 * passed through.
6ac6a52b
JM		 3227 */
3228
3229# define STATUS_EXIT_SET(n) \
3230 STMT_START { \
3231 I32 evalue = (I32)n; \
3232 PL_statusvalue = evalue; \
3233 if (MY_POSIX_EXIT) \
1a3aec58
JM		 3234 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3235 PL_statusvalue_vms = \
3236 (C_FAC_POSIX | (evalue << 3 ) | \
3237 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 3238 else \
3239 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3240 set_vaxc_errno(PL_statusvalue_vms); \
3241 } STMT_END
3242
fb38d079
JM		 3243
3244 /* This macro forces a success status */
7a7fd8e0
JM		 3245# define STATUS_ALL_SUCCESS \
3246 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 3247
3248 /* This macro forces a failure status */
7a7fd8e0
JM		 3249# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3250 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3251 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3252
68dc0745 3253#else
e5218da5 3254# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3255# if defined(WCOREDUMP)
37038d91 3256# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3257 STMT_START { \
3258 PL_statusvalue_posix = (n); \
3259 if (PL_statusvalue_posix == -1) \
3260 PL_statusvalue = -1; \
3261 else { \
3262 PL_statusvalue = \
3263 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3264 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3265 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3266 } \
3267 } STMT_END
3268# elif defined(WIFEXITED)
37038d91 3269# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3270 STMT_START { \
3271 PL_statusvalue_posix = (n); \
3272 if (PL_statusvalue_posix == -1) \
3273 PL_statusvalue = -1; \
3274 else { \
3275 PL_statusvalue = \
3276 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3277 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3278 } \
3279 } STMT_END
3280# else
37038d91 3281# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3282 STMT_START { \
3283 PL_statusvalue_posix = (n); \
3284 if (PL_statusvalue_posix == -1) \
3285 PL_statusvalue = -1; \
3286 else { \
3287 PL_statusvalue = \
3288 PL_statusvalue_posix & 0xFFFF; \
3289 } \
3290 } STMT_END
3291# endif
3292# define STATUS_UNIX_SET(n) \
68dc0745 3293 STMT_START { \
3280af22
NIS		 3294 PL_statusvalue = (n); \
3295 if (PL_statusvalue != -1) \
3296 PL_statusvalue &= 0xFFFF; \
68dc0745 3297 } STMT_END
7a7fd8e0 3298# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3299# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3300# define STATUS_CURRENT STATUS_UNIX
37038d91 3301# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3302# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3303# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3304#endif
3305
cc3604b1
GS		 3306/* flags in PL_exit_flags for nature of exit() */
3307#define PERL_EXIT_EXPECTED 0x01
31d77e54 3308#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
6136213b
JGM		 3309#define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */
3310#define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */
cc3604b1 3311
b79b76e0 3312#ifndef PERL_CORE
a7cb1f99 3313/* format to use for version numbers in file/directory names */
273cf8d1 3314/* XXX move to Configure? */
b79b76e0
NC		 3315/* This was only ever used for the current version, and that can be done at
3316 compile time, as PERL_FS_VERSION, so should we just delete it? */
3317# ifndef PERL_FS_VER_FMT
3318# define PERL_FS_VER_FMT "%d.%d.%d"
3319# endif
3320#endif
3321
3322#ifndef PERL_FS_VERSION
3323# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS		 3324#endif
3325
45bc9206 3326/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3327 * performance issue, so we allow people to disable it. Also, if
3328 * we are using stdio, there are broken implementations of fflush(NULL)
3329 * out there, Solaris being the most prominent.
45bc9206
GS		 3330 */
3331#ifndef PERL_FLUSHALL_FOR_CHILD
97cb92d6 3332# if defined(USE_PERLIO) || defined(FFLUSH_NULL)
66fe083f 3333# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3334# else
3335# ifdef FFLUSH_ALL
3336# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3337# else
c5be433b 3338# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3339# endif
66fe083f 3340# endif
45bc9206
GS		 3341#endif
3342
7766f137
GS		 3343#ifndef PERL_WAIT_FOR_CHILDREN
3344# define PERL_WAIT_FOR_CHILDREN NOOP
3345#endif
3346
ba869deb 3347/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3348#ifndef PERL_SET_INTERP
3349# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3350#endif
3351
3352#ifndef PERL_GET_INTERP
3353# define PERL_GET_INTERP (PL_curinterp)
3354#endif
3355
54aff467 3356#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3357# ifdef MULTIPLICITY
ba869deb 3358# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3359# endif
ba869deb
GS		 3360# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3361#endif
3362
00f254e2 3363/*
8896765a 3364 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3365 All that is required is that the perl source does not
00f254e2
KW		 3366 use "%-p" or "%-<number>p" or "%<number>p" formats.
3367 These formats will still work in perl code.
486ec47a 3368 See comments in sv.c for further details.
8896765a 3369
8896765a 3370 Robin Barker 2005-07-14
f46d31f2 3371
00f254e2 3372 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3373*/
8896765a
RB		 3374
3375#ifndef SVf_
63ce7bf0 3376# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3377#endif
3378
8896765a 3379#ifndef SVf
104abab4 3380# define SVf "-p"
d2560b70
RB		 3381#endif
3382
014ead4b 3383#ifndef SVf32
8896765a 3384# define SVf32 SVf_(32)
014ead4b
RB		 3385#endif
3386
3387#ifndef SVf256
8896765a
RB		 3388# define SVf256 SVf_(256)
3389#endif
3390
be2597df
MHM		 3391#define SVfARG(p) ((void*)(p))
3392
20023040
FC		 3393#ifndef HEKf
3394# define HEKf "2p"
3395#endif
3396
b8fa5213
FC		 3397/* Not ideal, but we cannot easily include a number in an already-numeric
3398 * format sequence. */
3399#ifndef HEKf256
3400# define HEKf256 "3p"
3401#endif
3402
20023040
FC		 3403#define HEKfARG(p) ((void*)(p))
3404
b17a0679
FC		 3405/* Takes three arguments: is_utf8, length, str */
3406#ifndef UTF8f
61608bb7 3407# define UTF8f "d%" UVuf "%4p"
b17a0679
FC		 3408#endif
3409#define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
3410
f46d31f2 3411#ifdef PERL_CORE
486ec47a 3412/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB		 3413# undef UVf
3414#else
170cd9e9
NC		 3415# ifndef UVf
3416# define UVf UVuf
3417# endif
d2560b70
RB		 3418#endif
3419
fcdf39cf
RGS		 3420#ifdef HASATTRIBUTE_DEPRECATED
3421# define __attribute__deprecated__ __attribute__((deprecated))
3422#endif
0dbb1585
AL		 3423#ifdef HASATTRIBUTE_FORMAT
3424# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3425#endif
3426#ifdef HASATTRIBUTE_MALLOC
77785eea 3427# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3428#endif
0dbb1585 3429#ifdef HASATTRIBUTE_NONNULL
abb2c242 3430# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3431#endif
0dbb1585 3432#ifdef HASATTRIBUTE_NORETURN
abb2c242 3433# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3434#endif
0dbb1585 3435#ifdef HASATTRIBUTE_PURE
abb2c242 3436# define __attribute__pure__ __attribute__((pure))
f22be1b8 3437#endif
0dbb1585
AL		 3438#ifdef HASATTRIBUTE_UNUSED
3439# define __attribute__unused__ __attribute__((unused))
3440#endif
3441#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3442# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3443#endif
3444
0dbb1585 3445/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3446#ifndef __attribute__deprecated__
3447# define __attribute__deprecated__
3448#endif
0dbb1585
AL		 3449#ifndef __attribute__format__
3450# define __attribute__format__(x,y,z)
3451#endif
f22be1b8 3452#ifndef __attribute__malloc__
abb2c242 3453# define __attribute__malloc__
f22be1b8
JH		 3454#endif
3455#ifndef __attribute__nonnull__
abb2c242 3456# define __attribute__nonnull__(a)
f22be1b8
JH		 3457#endif
3458#ifndef __attribute__noreturn__
abb2c242 3459# define __attribute__noreturn__
f22be1b8
JH		 3460#endif
3461#ifndef __attribute__pure__
abb2c242 3462# define __attribute__pure__
f22be1b8 3463#endif
0dbb1585
AL		 3464#ifndef __attribute__unused__
3465# define __attribute__unused__
3466#endif
f22be1b8 3467#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3468# define __attribute__warn_unused_result__
3469#endif
3470
cd13e623
JH		 3471#if defined(DEBUGGING) && defined(I_ASSERT)
3472# include <assert.h>
3473#endif
3474
0dbb1585
AL		 3475/* For functions that are marked as __attribute__noreturn__, it's not
3476 appropriate to call return. In either case, include the lint directive.
3477 */
3478#ifdef HASATTRIBUTE_NORETURN
ae103e09 3479# define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */
0dbb1585 3480#else
ae103e09 3481# define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */ return 0
abb2c242
JH		 3482#endif
3483
cdfeb707
RB		 3484/* Some OS warn on NULL format to printf */
3485#ifdef PRINTF_FORMAT_NULL_OK
3486# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3487#else
00f254e2 3488# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB		 3489#endif
3490
635aebb7 3491#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3492# define EXPECT(expr,val) __builtin_expect(expr,val)
3493#else
3494# define EXPECT(expr,val) (expr)
3495#endif
6d5abc62
NC		 3496#define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3497#define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
635aebb7
AL		 3498#ifdef HAS_BUILTIN_CHOOSE_EXPR
3499/* placeholder */
3500#endif
b37c2d43 3501
ae103e09
DD		 3502
3503#ifndef __has_builtin
3504# define __has_builtin(x) 0 /* not a clang style compiler */
3505#endif
3506
3507/* ASSUME is like assert(), but it has a benefit in a release build. It is a
3508 hint to a compiler about a statement of fact in a function call free
3509 expression, which allows the compiler to generate better machine code.
3510 In a debug build, ASSUME(x) is a synonym for assert(x). ASSUME(0) means
3511 the control path is unreachable. In a for loop, ASSUME can be used to hint
3512 that a loop will run atleast X times. ASSUME is based off MSVC's __assume
3513 intrinsic function, see its documents for more details.
3514*/
3515
3516#ifndef DEBUGGING
3517# if __has_builtin(__builtin_unreachable) \
3518 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 5) /* 4.5 -> */
3519# define ASSUME(x) ((x) ? (void) 0 : __builtin_unreachable())
3520# elif defined(_MSC_VER)
3521# define ASSUME(x) __assume(x)
3522# elif defined(__ARMCC_VERSION) /* untested */
3523# define ASSUME(x) __promise(x)
3524# else
3525/* a random compiler might define assert to its own special optimization token
3526 so pass it through to C lib as a last resort */
3527# define ASSUME(x) assert(x)
3528# endif
3529#else
3530# define ASSUME(x) assert(x)
3531#endif
3532
3533#define NOT_REACHED ASSUME(0)
3534
3fc1aec6 3535/* Some unistd.h's give a prototype for pause() even though
3536 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3537 below to be rejected by the compiler. Sigh.
3fc1aec6 3538*/
3539#ifdef HAS_PAUSE
3540#define Pause pause
3541#else
3542#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3543#endif
3544
3545#ifndef IOCPARM_LEN
3546# ifdef IOCPARM_MASK
61f1c44b 3547 /* on BSDish systems we're safe */
748a9306
LW		 3548# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3549# else
61f1c44b 3550# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3551 /* on Linux systems we're safe; except when we're not [perl #38223] */
3552# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3553# else
748a9306 3554 /* otherwise guess at what's safe */
61f1c44b
JVD		 3555# define IOCPARM_LEN(x) 256
3556# endif
748a9306 3557# endif
a0d0e21e
LW		 3558#endif
3559
1761cee5 3560#if defined(__CYGWIN__)
521e0776
GS		 3561/* USEMYBINMODE
3562 * This symbol, if defined, indicates that the program should
16fe6d59 3563 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3564 * that a file is in "binary" mode -- that is, that no translation
3565 * of bytes occurs on read or write operations.
3566 */
36894f0b 3567# define USEMYBINMODE /**/
77a40698 3568# include <io.h> /* for setmode() prototype */
16fe6d59 3569# define my_binmode(fp, iotype, mode) \
77a40698 3570 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3571#endif
3572
88d10794
JH		 3573#ifdef __CYGWIN__
3574void init_os_extras(void);
3575#endif
3576
cea2e8a9
GS		 3577#ifdef UNION_ANY_DEFINITION
3578UNION_ANY_DEFINITION;
3579#else
3580union any {
3581 void* any_ptr;
3582 I32 any_i32;
ae103e09 3583 U32 any_u32;
cea2e8a9 3584 IV any_iv;
c6bf6a65 3585 UV any_uv;
cea2e8a9 3586 long any_long;
9febdf04 3587 bool any_bool;
c76ac1ee 3588 void (*any_dptr) (void*);
acfe0abc 3589 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3590};
3591#endif
3592
acfe0abc 3593typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3594
3595#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3596#define FILTER_DATA(idx) \
3597 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3598#define FILTER_ISREADER(idx) \
3599 (PL_parser && PL_parser->rsfp_filters \
3600 && idx >= AvFILLp(PL_parser->rsfp_filters))
3601#define PERL_FILTER_EXISTS(i) \
3602 (PL_parser && PL_parser->rsfp_filters \
b9f2b683 3603 && (i) <= av_tindex(PL_parser->rsfp_filters))
cea2e8a9 3604
c5078cac
JH		 3605#if defined(_AIX) && !defined(_AIX43)
3606#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3607/* We cannot include <crypt.h> to get the struct crypt_data
3608 * because of setkey prototype problems when threading */
3609typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3610 /* From OSF, Not needed in AIX
3611 char C[28], D[28];
3612 */
3613 char E[48];
3614 char KS[16][48];
3615 char block[66];
3616 char iobuf[16];
3617} CRYPTD;
3618#endif /* threading */
3619#endif /* AIX */
3620
e37778c2 3621#if !defined(OS2)
2c2d71f5
JH		 3622# include "iperlsys.h"
3623#endif
504f80c1 3624
9c12f1e5 3625#ifdef __LIBCATAMOUNT__
00f254e2 3626#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS		 3627#undef HAS_GROUP
3628#define FAKE_BIT_BUCKET
3629#endif
3630
d10dc2ae
JH		 3631/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3632 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3633 * defined by Configure, despite their names being similar to the
3634 * other defines like USE_ITHREADS. Configure in fact knows nothing
3635 * about the randomised hashes. Therefore to enable/disable the hash
3636 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3637#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3638# define USE_HASH_SEED
504f80c1
JH		 3639#endif
3640
598921a7
NC		 3641/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3642 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3643 * it's not really needed.
3644 */
3645#if defined(WIN32)
3646# define YYTOKENTYPE
3647#endif
3648#include "perly.h"
3649
598921a7 3650
654eccd5
JD		 3651/* macros to define bit-fields in structs. */
3652#ifndef PERL_BITFIELD8
3653# define PERL_BITFIELD8 unsigned
3654#endif
3655#ifndef PERL_BITFIELD16
3656# define PERL_BITFIELD16 unsigned
3657#endif
3658#ifndef PERL_BITFIELD32
3659# define PERL_BITFIELD32 unsigned
3660#endif
3661
79072805 3662#include "sv.h"
288b8c02 3663#include "regexp.h"
378cc40b 3664#include "util.h"
8d063cd8 3665#include "form.h"
79072805 3666#include "gv.h"
dd2155a4 3667#include "pad.h"
79072805 3668#include "cv.h"
abdd5c84 3669#include "opnames.h"
79072805 3670#include "op.h"
b3ca2e83 3671#include "hv.h"
79072805
LW		 3672#include "cop.h"
3673#include "av.h"
79072805
LW		 3674#include "mg.h"
3675#include "scope.h"
4438c4b7 3676#include "warnings.h"
a0ed51b3 3677#include "utf8.h"
8d063cd8 3678
0d7d409d
DM		 3679/* these would be in doio.h if there was such a file */
3680#define my_stat() my_stat_flags(SV_GMAGIC)
3681#define my_lstat() my_lstat_flags(SV_GMAGIC)
3682
20f4945e 3683/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM		 3684#undef _XPV_HEAD
3685#undef _XPVMG_HEAD
3686#undef _XPVCV_COMMON
7fae4e64
GS		 3687
3688typedef struct _sublex_info SUBLEXINFO;
3689struct _sublex_info {
651b5b28
NC		 3690 U8 super_state; /* lexer state to save */
3691 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3692 OP *sub_op; /* "lex_op" to use */
7cc34111 3693 SV *repl; /* replacement of s/// or y/// */
7fae4e64
GS		 3694};
3695
199e78b7
DM		 3696#include "parser.h"
3697
455ece5e 3698typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3699
2260ab51
KW		 3700#if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_REGEXEC_C)
3701
3702/* These have to be predeclared, as they are used in proto.h which is #included
3703 * before their definitions in regcomp.h. */
3704
3705struct scan_data_t;
7dcac5f6
KW		 3706typedef struct regnode_charclass regnode_charclass;
3707
2260ab51 3708struct regnode_charclass_class;
d1d040e5
KW		 3709
3710/* A hopefully less confusing name. The sub-classes are all Posix classes only
3711 * used under /l matching */
3712typedef struct regnode_charclass_class regnode_charclass_posixl;
3713
b8f7bb16 3714typedef struct regnode_ssc regnode_ssc;
09b2b2e6
KW		 3715typedef struct RExC_state_t RExC_state_t;
3716struct _reg_trie_data;
76e3520e 3717
2260ab51
KW		 3718#endif
3719
5f7fde29
GS		 3720struct ptr_tbl_ent {
3721 struct ptr_tbl_ent* next;
53c1dcc0 3722 const void* oldval;
5f7fde29 3723 void* newval;
d18c6117
GS		 3724};
3725
5f7fde29
GS		 3726struct ptr_tbl {
3727 struct ptr_tbl_ent** tbl_ary;
3728 UV tbl_max;
3729 UV tbl_items;
db93c0c4
NC		 3730 struct ptr_tbl_arena *tbl_arena;
3731 struct ptr_tbl_ent *tbl_arena_next;
3732 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS		 3733};
3734
fe14fcc3
LW		 3735#if defined(htonl) && !defined(HAS_HTONL)
3736#define HAS_HTONL
ae986130 3737#endif
fe14fcc3
LW		 3738#if defined(htons) && !defined(HAS_HTONS)
3739#define HAS_HTONS
ae986130 3740#endif
fe14fcc3
LW		 3741#if defined(ntohl) && !defined(HAS_NTOHL)
3742#define HAS_NTOHL
ae986130 3743#endif
fe14fcc3
LW		 3744#if defined(ntohs) && !defined(HAS_NTOHS)
3745#define HAS_NTOHS
ae986130 3746#endif
fe14fcc3 3747#ifndef HAS_HTONL
fe14fcc3
LW		 3748#define HAS_HTONS
3749#define HAS_HTONL
3750#define HAS_NTOHS
3751#define HAS_NTOHL
8e2d7c44
NC		 3752# if (BYTEORDER & 0xffff) == 0x4321
3753/* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3754 re-order their values. However, to behave identically to the alternative
3755 implementations, they should truncate to the correct size. */
3756# define ntohl(x) ((x)&0xFFFFFFFF)
3757# define htonl(x) ntohl(x)
3758# define ntohs(x) ((x)&0xFFFF)
3759# define htons(x) ntohs(x)
e4b03fed
NC		 3760# elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3761
3762/* Note that we can't straight out declare our own htonl and htons because
3763 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
3764 to avoid the overhead of initialising the socket subsystem, but the headers
3765 that *declare* the various functions are still seen. If we declare our own
3766 htonl etc they will clash with the declarations in the Win32 headers. */
3767
3768PERL_STATIC_INLINE U32
3769my_swap32(const U32 x) {
3770 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
3771 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
3772}
3773
3774PERL_STATIC_INLINE U16
3775my_swap16(const U16 x) {
3776 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
3777}
3778
3779# define htonl(x) my_swap32(x)
3780# define ntohl(x) my_swap32(x)
3781# define ntohs(x) my_swap16(x)
3782# define htons(x) my_swap16(x)
8e2d7c44 3783# else
691a44df
NC		 3784# error "Unsupported byteorder"
3785/* The C pre-processor doesn't let us return the value of BYTEORDER as part of
3786 the error message. Please check the value of the macro BYTEORDER, as defined
3787 in config.h. The values of BYTEORDER we expect are
3788
3789 big endian little endian
3790 32 bit 0x4321 0x1234
3791 64 bit 0x87654321 0x12345678
3792
3793 If you have a system with a different byte order, please see
3794 pod/perlhack.pod for how to submit a patch to add supporting code.
3795*/
3796# endif
a687059c
LW		 3797#endif
3798
988174c1
LW		 3799/*
3800 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3801 * -DWS
3802 */
5ae72479 3803#if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
260c6fee
NC		 3804/* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
3805 re-order their values. However, to behave identically to the alternative
3806 implementations, they should truncate to the correct size. */
3807# define vtohl(x) ((x)&0xFFFFFFFF)
3808# define vtohs(x) ((x)&0xFFFF)
3809# define htovl(x) vtohl(x)
3810# define htovs(x) vtohs(x)
545872c5 3811#elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3812# define vtohl(x) ((((x)&0xFF)<<24) \
3813 +(((x)>>24)&0xFF) \
3814 +(((x)&0x0000FF00)<<8) \
3815 +(((x)&0x00FF0000)>>8) )
3816# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3817# define htovl(x) vtohl(x)
3818# define htovs(x) vtohs(x)
545872c5
NC		 3819#else
3820# error "Unsupported byteorder"
3821/* If you have need for current perl on PDP-11 or similar, and can help test
3822 that blead keeps working on a mixed-endian system, then see
3823 pod/perlhack.pod for how to submit patches to things working again. */
2a8c3029 3824#endif
988174c1 3825
3bb7c1b4
JH		 3826/* *MAX Plus 1. A floating point value.
3827 Hopefully expressed in a way that dodgy floating point can't mess up.
3828 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3829 is added to it
3830 May find that some broken compiler will want the value cast to I32.
3831 [after the shift, as signed >> may not be as secure as unsigned >>]
3832*/
3833#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3834#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3835/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3836 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3837 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3838*/
3839#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3840
3bb7c1b4
JH		 3841#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3842#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3843#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3844
3845/* This may look like unnecessary jumping through hoops, but converting
3846 out of range floating point values to integers *is* undefined behaviour,
3847 and it is starting to bite.
3848*/
3849#ifndef CAST_INLINE
65202027 3850#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3851#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3852#define I_V(what) (cast_iv((NV)(what)))
3853#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3854#else
3855#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3856 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3857 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3858#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3859 : ((n) < U32_MAX_P1 ? (U32) (n) \
3860 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
5d9574c1
DM		 3861#define I_V(n) (LIKELY((n) < IV_MAX_P1) ? (UNLIKELY((n) < IV_MIN) ? IV_MIN : (IV) (n)) \
3862 : (LIKELY((n) < UV_MAX_P1) ? (IV)(UV) (n) \
3bb7c1b4 3863 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
5d9574c1
DM		 3864#define U_V(n) ((n) < 0.0 ? (UNLIKELY((n) < IV_MIN) ? (UV) IV_MIN : (UV)(IV) (n)) \
3865 : (LIKELY((n) < UV_MAX_P1) ? (UV) (n) \
3bb7c1b4
JH		 3866 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3867#endif
3868
3869#define U_S(what) ((U16)U_32(what))
3870#define U_I(what) ((unsigned int)U_32(what))
3871#define U_L(what) U_32(what)
ed6116ce 3872
ed140128
AD		 3873#ifdef HAS_SIGNBIT
3874# define Perl_signbit signbit
3875#endif
3876
2d4389e4
JH		 3877/* These do not care about the fractional part, only about the range. */
3878#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3879#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3880
25da4f38
IZ		 3881/* Used with UV/IV arguments: */
3882 /* XXXX: need to speed it up */
3883#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3884#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3885
352d5a3a
LW		 3886#ifndef MAXSYSFD
3887# define MAXSYSFD 2
3888#endif
ee0007ab 3889
79072805 3890#ifndef __cplusplus
e37d7e38 3891#if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3892Uid_t getuid (void);
3893Uid_t geteuid (void);
3894Gid_t getgid (void);
3895Gid_t getegid (void);
79072805 3896#endif
e1caacb4 3897#endif
8d063cd8 3898
0c30d9ec 3899#ifndef Perl_debug_log
bf49b057
GS		 3900# define Perl_debug_log PerlIO_stderr()
3901#endif
3902
3903#ifndef Perl_error_log
3904# define Perl_error_log (PL_stderrgv \
6b78add2 3905 && isGV(PL_stderrgv) \
01bb7c6d 3906 && GvIOp(PL_stderrgv) \
42de951c 3907 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3908 ? IoOFP(GvIOp(PL_stderrgv)) \
3909 : PerlIO_stderr())
0c30d9ec 3910#endif
3967c732 3911
aea4f609
DM		 3912
3913#define DEBUG_p_FLAG 0x00000001 /* 1 */
3914#define DEBUG_s_FLAG 0x00000002 /* 2 */
3915#define DEBUG_l_FLAG 0x00000004 /* 4 */
3916#define DEBUG_t_FLAG 0x00000008 /* 8 */
3917#define DEBUG_o_FLAG 0x00000010 /* 16 */
3918#define DEBUG_c_FLAG 0x00000020 /* 32 */
3919#define DEBUG_P_FLAG 0x00000040 /* 64 */
3920#define DEBUG_m_FLAG 0x00000080 /* 128 */
3921#define DEBUG_f_FLAG 0x00000100 /* 256 */
3922#define DEBUG_r_FLAG 0x00000200 /* 512 */
3923#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3924#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3925/* U is reserved for Unofficial, exploratory hacking */
3926#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3927#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3928#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3929#define DEBUG_D_FLAG 0x00008000 /* 32768 */
56967202 3930#define DEBUG_S_FLAG 0x00010000 /* 65536 */
aea4f609 3931#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3932#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3933#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3934#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3935#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3936#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3937#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 3938#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3939#define DEBUG_B_FLAG 0x02000000 /*33554432*/
69014004
KW		 3940#define DEBUG_L_FLAG 0x04000000 /*67108864*/
3941#define DEBUG_MASK 0x07FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3942
3943#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3944#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3945 that something was done? */
aea4f609 3946
bd16a5f0
IZ		 3947# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3948# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3949# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3950# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3951# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3952# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3953# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3954# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3955# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3956# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3957# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3958# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3959# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3960# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3961# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3962# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
56967202 3963# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
bd16a5f0
IZ		 3964# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3965# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3966# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3967# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3968# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3969# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3970# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3971# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3972# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
69014004 3973# define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG)
dd2155a4 3974# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3975# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3976# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3977
3967c732 3978#ifdef DEBUGGING
aea4f609 3979
bd16a5f0
IZ		 3980# define DEBUG_p_TEST DEBUG_p_TEST_
3981# define DEBUG_s_TEST DEBUG_s_TEST_
3982# define DEBUG_l_TEST DEBUG_l_TEST_
3983# define DEBUG_t_TEST DEBUG_t_TEST_
3984# define DEBUG_o_TEST DEBUG_o_TEST_
3985# define DEBUG_c_TEST DEBUG_c_TEST_
3986# define DEBUG_P_TEST DEBUG_P_TEST_
3987# define DEBUG_m_TEST DEBUG_m_TEST_
3988# define DEBUG_f_TEST DEBUG_f_TEST_
3989# define DEBUG_r_TEST DEBUG_r_TEST_
3990# define DEBUG_x_TEST DEBUG_x_TEST_
3991# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3992# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3993# define DEBUG_H_TEST DEBUG_H_TEST_
3994# define DEBUG_X_TEST DEBUG_X_TEST_
3995# define DEBUG_D_TEST DEBUG_D_TEST_
56967202 3996# define DEBUG_S_TEST DEBUG_S_TEST_
bd16a5f0
IZ		 3997# define DEBUG_T_TEST DEBUG_T_TEST_
3998# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3999# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 4000# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 4001# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 4002# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 4003# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 4004# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 4005# define DEBUG_B_TEST DEBUG_B_TEST_
69014004 4006# define DEBUG_L_TEST DEBUG_L_TEST_
7949c6f5
JC		 4007# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
4008# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 4009# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 4010
488b0c7a
JH		 4011# define PERL_DEB(a) a
4012# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 4013# define DEBUG_p(a) if (DEBUG_p_TEST) a
4014# define DEBUG_s(a) if (DEBUG_s_TEST) a
4015# define DEBUG_l(a) if (DEBUG_l_TEST) a
4016# define DEBUG_t(a) if (DEBUG_t_TEST) a
4017# define DEBUG_o(a) if (DEBUG_o_TEST) a
4018# define DEBUG_c(a) if (DEBUG_c_TEST) a
4019# define DEBUG_P(a) if (DEBUG_P_TEST) a
4020
969058bb
VK		 4021 /* Temporarily turn off memory debugging in case the a
4022 * does memory allocation, either directly or indirectly. */
acfe0abc 4023# define DEBUG_m(a) \
0b250b9e 4024 STMT_START { \
aea4f609 4025 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 4026 } STMT_END
aea4f609 4027
5f80b19c
AMS		 4028# define DEBUG__(t, a) \
4029 STMT_START { \
4030 if (t) STMT_START {a;} STMT_END; \
4031 } STMT_END
4032
4033# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 4034#ifndef PERL_EXT_RE_BUILD
5f80b19c 4035# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 4036#else
4037# define DEBUG_r(a) STMT_START {a;} STMT_END
4038#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 4039# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
4040# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 4041# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 4042# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
4043# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
4044# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 4045# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
4046# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 4047# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 4048
56967202 4049# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
5f80b19c
AMS		 4050# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
4051# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 4052# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 4053# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 4054# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
4055# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 4056# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 4057# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
69014004 4058# define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
aea4f609
DM		 4059
4060#else /* DEBUGGING */
4061
4062# define DEBUG_p_TEST (0)
4063# define DEBUG_s_TEST (0)
4064# define DEBUG_l_TEST (0)
4065# define DEBUG_t_TEST (0)
4066# define DEBUG_o_TEST (0)
4067# define DEBUG_c_TEST (0)
4068# define DEBUG_P_TEST (0)
4069# define DEBUG_m_TEST (0)
4070# define DEBUG_f_TEST (0)
4071# define DEBUG_r_TEST (0)
4072# define DEBUG_x_TEST (0)
4073# define DEBUG_u_TEST (0)
88d2d28a 4074# define DEBUG_U_TEST (0)
aea4f609
DM		 4075# define DEBUG_H_TEST (0)
4076# define DEBUG_X_TEST (0)
4077# define DEBUG_D_TEST (0)
56967202 4078# define DEBUG_S_TEST (0)
aea4f609 4079# define DEBUG_T_TEST (0)
04932ac8 4080# define DEBUG_R_TEST (0)
1045810a 4081# define DEBUG_J_TEST (0)
d6721266 4082# define DEBUG_v_TEST (0)
46187eeb 4083# define DEBUG_C_TEST (0)
ecae49c0
NC		 4084# define DEBUG_A_TEST (0)
4085# define DEBUG_q_TEST (0)
d7c0d282 4086# define DEBUG_M_TEST (0)
cc8773c0 4087# define DEBUG_B_TEST (0)
69014004 4088# define DEBUG_L_TEST (0)
7949c6f5
JC		 4089# define DEBUG_Xv_TEST (0)
4090# define DEBUG_Uv_TEST (0)
ad9e76a8 4091# define DEBUG_Pv_TEST (0)
aea4f609 4092
488b0c7a
JH		 4093# define PERL_DEB(a)
4094# define PERL_DEBUG(a)
aea4f609
DM		 4095# define DEBUG_p(a)
4096# define DEBUG_s(a)
4097# define DEBUG_l(a)
4098# define DEBUG_t(a)
4099# define DEBUG_o(a)
4100# define DEBUG_c(a)
4101# define DEBUG_P(a)
4102# define DEBUG_m(a)
4103# define DEBUG_f(a)
4104# define DEBUG_r(a)
4105# define DEBUG_x(a)
4106# define DEBUG_u(a)
88d2d28a 4107# define DEBUG_U(a)
aea4f609
DM		 4108# define DEBUG_H(a)
4109# define DEBUG_X(a)
4110# define DEBUG_D(a)
56967202 4111# define DEBUG_S(a)
aea4f609 4112# define DEBUG_T(a)
04932ac8 4113# define DEBUG_R(a)
d6721266 4114# define DEBUG_v(a)
46187eeb 4115# define DEBUG_C(a)
ecae49c0
NC		 4116# define DEBUG_A(a)
4117# define DEBUG_q(a)
d7c0d282 4118# define DEBUG_M(a)
cc8773c0 4119# define DEBUG_B(a)
69014004 4120# define DEBUG_L(a)
7949c6f5
JC		 4121# define DEBUG_Xv(a)
4122# define DEBUG_Uv(a)
ad9e76a8 4123# define DEBUG_Pv(a)
aea4f609
DM		 4124#endif /* DEBUGGING */
4125
4126
b4ab917c 4127#define DEBUG_SCOPE(where) \
d9f81b50 4128 DEBUG_l( \
1c98cc53
DM		 4129 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
4130 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
d9f81b50 4131 __FILE__, __LINE__));
b4ab917c 4132
de84dc04 4133/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 4134 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 4135
de84dc04 4136#define Perl_assert(what) PERL_DEB( \
2b057284 4137 ((what) ? ((void) 0) : \
67eb4d30 4138 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 4139 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 4140 (void) 0)))
de84dc04 4141
81d52ecd
JH		 4142/* assert() gets defined if DEBUGGING (and I_ASSERT).
4143 * If no DEBUGGING, the <assert.h> has not been included. */
de84dc04
NC		 4144#ifndef assert
4145# define assert(what) Perl_assert(what)
a446a88f 4146#endif
c7724415
FC		 4147#ifdef DEBUGGING
4148# define assert_(what) assert(what),
4149#else
4150# define assert_(what)
4151#endif
8d063cd8 4152
450a55e4 4153struct ufuncs {
24f81a43
DM		 4154 I32 (*uf_val)(pTHX_ IV, SV*);
4155 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 4156 IV uf_index;
450a55e4
LW		 4157};
4158
14befaf4 4159/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 4160 * XS code wanting to be backward compatible can do something
4161 * like the following:
c745e42c 4162
24f81a43 4163#ifndef PERL_MG_UFUNC
24f81a43
DM		 4164#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
4165#endif
4166
4167static PERL_MG_UFUNC(foo_get, index, val)
4168{
4169 sv_setsv(val, ...);
4170 return TRUE;
4171}
4172
4173-- Doug MacEachern
4174
4175*/
4176
fc9c74e6 4177#ifndef PERL_MG_UFUNC
24f81a43 4178#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 4179#endif
24f81a43 4180
fe14fcc3 4181/* Fix these up for __STDC__ */
68dc0745 4182#ifndef DONT_DECLARE_STD
20ce7b12 4183char *mktemp (char*);
37bd1396 4184#ifndef atof
20ce7b12 4185double atof (const char*);
a0d0e21e 4186#endif
37bd1396 4187#endif
79072805 4188
352d5a3a 4189#ifndef STANDARD_C
fe14fcc3 4190/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 4191Time_t time();
8d063cd8 4192struct tm *gmtime(), *localtime();
043fec90 4193#if defined(OEMVS)
9d116dd7
JH		 4194char *(strchr)(), *(strrchr)();
4195char *(strcpy)(), *(strcat)();
4196#else
93a17b20 4197char *strchr(), *strrchr();
378cc40b 4198char *strcpy(), *strcat();
9d116dd7 4199#endif
352d5a3a 4200#endif /* ! STANDARD_C */
8d063cd8 4201
79072805
LW		 4202
4203#ifdef I_MATH
4204# include <math.h>
a80f53e7
CB		 4205# ifdef __VMS
4206 /* isfinite and others are here rather than in math.h as C99 stipulates */
4207# include <fp.h>
4208# endif
79072805 4209#else
32f822de 4210START_EXTERN_C
20ce7b12
GS		 4211 double exp (double);
4212 double log (double);
4213 double log10 (double);
4214 double sqrt (double);
4215 double frexp (double,int*);
4216 double ldexp (double,int);
4217 double modf (double,double*);
4218 double sin (double);
4219 double cos (double);
4220 double atan2 (double,double);
4221 double pow (double,double);
32f822de 4222END_EXTERN_C
79072805
LW		 4223#endif
4224
d074b8ed
JH		 4225#ifdef WIN32
4226# if !defined(NV_INF) && defined(HUGE_VAL)
4227# define NV_INF HUGE_VAL
4228# endif
5c682410
JH		 4229/* For WIN32 the best NV_NAN is the __PL_nan_u trick, see below.
4230 * There is no supported way of getting the NAN across all the crts. */
d074b8ed
JH		 4231#endif
4232
d1183257
JH		 4233/* If you are thinking of using HUGE_VAL for infinity, or using
4234 * <math.h> functions to generate NV_INF (e.g. exp(1e9), log(-1.0)),
4235 * stop. Neither will work portably: HUGE_VAL can be just DBL_MAX,
4236 * and the math functions might be just generating DBL_MAX, or even
4237 * zero. */
4238
b4a3b1ad
JH		 4239#if !defined(NV_INF) && defined(USE_LONG_DOUBLE)
4240# if !defined(NV_INF) && defined(LDBL_INFINITY)
4241# define NV_INF LDBL_INFINITY
4242# endif
4243# if !defined(NV_INF) && defined(INFINITYL)
4244# define NV_INF INFINITYL
4245# endif
aa8b85de
JH		 4246#endif
4247#if !defined(NV_INF) && defined(DBL_INFINITY)
4248# define NV_INF (NV)DBL_INFINITY
4249#endif
4250#if !defined(NV_INF) && defined(INFINITY)
4251# define NV_INF (NV)INFINITY
4252#endif
4253#if !defined(NV_INF) && defined(INF)
4254# define NV_INF (NV)INF
4255#endif
a985cadd 4256#if !defined(NV_INF)
67aa9fab
JH		 4257# if INTSIZE == 4
4258/* At this point we assume the IEEE 754 floating point (and of course,
4259 * we also assume a floating point format that can encode an infinity).
4260 * We will coerce an int32 (which will encode the infinity) into
4261 * a 32-bit float, which will then be cast into NV.
4262 *
4263 * Note that we intentionally use a float and 32-bit int, instead of
4264 * shifting a small integer into a full IV, and from that into a full
4265 * NV, because:
4266 *
4267 * (1) an IV might not be wide enough to cover all the bits of an NV.
4268 * (2) the exponent part (including the infinity and nan bits) of a NV
4269 * might be wider than just 16 bits.
4270 *
4271 * Below the NV_NAN logic has similar __PL_nan_u fallback, the only
4272 * difference being the int32 constant being coerced. */
4273# define __PL_inf_float_int32 0x7F800000
4274static const union { unsigned int __i; float __f; } __PL_inf_u =
4275 { __PL_inf_float_int32 };
4276# define NV_INF ((NV)(__PL_inf_u.__f))
4277# endif
4278#endif
4279#if !defined(NV_INF)
d1183257 4280# define NV_INF ((NV)1.0/0.0) /* Some compilers will warn. */
aa8b85de
JH		 4281#endif
4282
4283#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
4284# if !defined(NV_NAN) && defined(LDBL_NAN)
4285# define NV_NAN LDBL_NAN
4286# endif
b4a3b1ad
JH		 4287# if !defined(NV_NAN) && defined(NANL)
4288# define NV_NAN NANL
4289# endif
aa8b85de
JH		 4290# if !defined(NV_NAN) && defined(LDBL_QNAN)
4291# define NV_NAN LDBL_QNAN
4292# endif
4293# if !defined(NV_NAN) && defined(LDBL_SNAN)
4294# define NV_NAN LDBL_SNAN
4295# endif
4296#endif
4297#if !defined(NV_NAN) && defined(DBL_NAN)
4298# define NV_NAN (NV)DBL_NAN
4299#endif
4300#if !defined(NV_NAN) && defined(DBL_QNAN)
4301# define NV_NAN (NV)DBL_QNAN
4302#endif
4303#if !defined(NV_NAN) && defined(DBL_SNAN)
4304# define NV_NAN (NV)DBL_SNAN
4305#endif
aa8b85de
JH		 4306#if !defined(NV_NAN) && defined(NAN)
4307# define NV_NAN (NV)NAN
4308#endif
b4a3b1ad
JH		 4309#if !defined(NV_NAN) && defined(QNAN)
4310# define NV_NAN (NV)QNAN
4311#endif
a985cadd
JH		 4312#if !defined(NV_NAN) && defined(SNAN)
4313# define NV_NAN (NV)SNAN
4314#endif
67aa9fab
JH		 4315#if !defined(NV_NAN)
4316# if INTSIZE == 4
4317/* See the discussion near __PL_inf_u. */
4318# define __PL_nan_float_int32 0x7FC00000
4319static const union { unsigned int __i; float __f; } __PL_nan_u =
4320 { __PL_nan_float_int32 };
4321# define NV_NAN ((NV)(__PL_nan_u.__f))
4322# endif
4323#endif
4324#if !defined(NV_NAN)
d1183257 4325# define NV_NAN ((NV)0.0/0.0) /* Some compilers will warn. */
d074b8ed 4326#endif
5c682410
JH		 4327/* Do NOT try doing NV_NAN based on NV_INF and trying (NV_INF-NV_INF).
4328 * Though IEEE-754-logically correct, some compilers (like Visual C 2003)
4329 * falsely misoptimize that to zero (x-x is zero, right?) */
aa8b85de 4330
a0d0e21e 4331#ifndef __cplusplus
f05550c0 4332# if !defined(WIN32) && !defined(VMS)
10bc17b6 4333#ifndef crypt
20ce7b12 4334char *crypt (const char*, const char*);
10bc17b6 4335#endif
f05550c0 4336# endif /* !WIN32 */
26618a56
GS		 4337# ifndef DONT_DECLARE_STD
4338# ifndef getenv
20ce7b12 4339char *getenv (const char*);
26618a56 4340# endif /* !getenv */
739a0b84 4341# if !defined(HAS_LSEEK_PROTO) && !defined(__hpux)
0fc67700 4342# ifdef _FILE_OFFSET_BITS
28ca6303 4343# if _FILE_OFFSET_BITS == 64
20ce7b12 4344Off_t lseek (int,Off_t,int);
0fc67700
JH		 4345# endif
4346# endif
bf0c440f 4347# endif
26618a56 4348# endif /* !DONT_DECLARE_STD */
e37d7e38
SH		 4349# ifndef WIN32
4350# ifndef getlogin
20ce7b12 4351char *getlogin (void);
e37d7e38
SH		 4352# endif
4353# endif /* !WIN32 */
26618a56 4354#endif /* !__cplusplus */
79072805 4355
7a7fd8e0
JM		 4356/* Fixme on VMS. This needs to be a run-time, not build time options */
4357/* Also rename() is affected by this */
16d20bd9 4358#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 4359#define UNLINK unlnk
083639a9 4360I32 unlnk (pTHX_ const char*);
8d063cd8 4361#else
80252599 4362#define UNLINK PerlLIO_unlink
8d063cd8 4363#endif
a687059c 4364
fa0a29af
JH		 4365/* some versions of glibc are missing the setresuid() proto */
4366#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 4367int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4368#endif
fa0a29af
JH		 4369/* some versions of glibc are missing the setresgid() proto */
4370#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 4371int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4372#endif
4373
fe14fcc3 4374#ifndef HAS_SETREUID
85e6fe83
LW		 4375# ifdef HAS_SETRESUID
4376# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4377# define HAS_SETREUID
4378# endif
a687059c 4379#endif
fe14fcc3 4380#ifndef HAS_SETREGID
85e6fe83
LW		 4381# ifdef HAS_SETRESGID
4382# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4383# define HAS_SETREGID
4384# endif
a687059c 4385#endif
ee0007ab 4386
d543acb6 4387/* Sighandler_t defined in iperlsys.h */
ff68c719 4388
4389#ifdef HAS_SIGACTION
4390typedef struct sigaction Sigsave_t;
4391#else
4392typedef Sighandler_t Sigsave_t;
4393#endif
4394
ee0007ab
LW		 4395#define SCAN_DEF 0
4396#define SCAN_TR 1
4397#define SCAN_REPL 2
79072805
LW		 4398
4399#ifdef DEBUGGING
4633a7c4 4400# ifndef register
a0d0e21e
LW		 4401# define register
4402# endif
cea2e8a9 4403# define RUNOPS_DEFAULT Perl_runops_debug
79072805 4404#else
cea2e8a9 4405# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 4406#endif
4407
97cb92d6 4408#if defined(USE_PERLIO)
0934c9d9 4409EXTERN_C void PerlIO_teardown(void);
2f44961c 4410# ifdef USE_ITHREADS
6cb8cb21
RGS		 4411# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4412# define PERLIO_TERM \
4413 STMT_START { \
d0820ef1 4414 PerlIO_teardown(); \
6cb8cb21
RGS		 4415 MUTEX_DESTROY(&PL_perlio_mutex);\
4416 } STMT_END
4417# else
4418# define PERLIO_INIT
d0820ef1 4419# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 4420# endif
6b29934b
NC		 4421#else
4422# define PERLIO_INIT
4423# define PERLIO_TERM
6cb8cb21
RGS		 4424#endif
4425
18f739ee 4426#ifdef MYMALLOC
772fe5b3 4427# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 4428# define MALLOC_INIT \
4429 STMT_START { \
4430 PL_malloc_mutex = NULL; \
4431 MUTEX_INIT(&PL_malloc_mutex); \
4432 } STMT_END
4433# define MALLOC_TERM \
4434 STMT_START { \
4435 perl_mutex tmp = PL_malloc_mutex; \
4436 PL_malloc_mutex = NULL; \
4437 MUTEX_DESTROY(&tmp); \
4438 } STMT_END
4439# else
4440# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4441# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4442# endif
18f739ee
IZ		 4443#else
4444# define MALLOC_INIT
4445# define MALLOC_TERM
4446#endif
4447
cd1541b2 4448#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 4449
4450struct perl_memory_debug_header;
cd1541b2
NC		 4451struct perl_memory_debug_header {
4452 tTHX interpreter;
b001a0d1 4453# if defined(PERL_POISON) || defined(PERL_DEBUG_READONLY_COW)
cd1541b2 4454 MEM_SIZE size;
cd1541b2 4455# endif
7cb608b5
NC		 4456 struct perl_memory_debug_header *prev;
4457 struct perl_memory_debug_header *next;
b001a0d1
FC		 4458# ifdef PERL_DEBUG_READONLY_COW
4459 bool readonly;
4460# endif
4461};
4462
4463#elif defined(PERL_DEBUG_READONLY_COW)
4464
4465struct perl_memory_debug_header;
4466struct perl_memory_debug_header {
4467 MEM_SIZE size;
cd1541b2
NC		 4468};
4469
b001a0d1
FC		 4470#endif
4471
60175f94 4472#if defined (PERL_TRACK_MEMPOOL) || defined (PERL_DEBUG_READONLY_COW)
b001a0d1 4473
a78adc84
DM		 4474# define PERL_MEMORY_DEBUG_HEADER_SIZE \
4475 (sizeof(struct perl_memory_debug_header) + \
cd1541b2
NC		 4476 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4477 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4478
d8fca402 4479#else
a78adc84 4480# define PERL_MEMORY_DEBUG_HEADER_SIZE 0
cd1541b2
NC		 4481#endif
4482
7cb608b5 4483#ifdef PERL_TRACK_MEMPOOL
b001a0d1 4484# ifdef PERL_DEBUG_READONLY_COW
7cb608b5
NC		 4485# define INIT_TRACK_MEMPOOL(header, interp) \
4486 STMT_START { \
4487 (header).interpreter = (interp); \
4488 (header).prev = (header).next = &(header); \
b001a0d1 4489 (header).readonly = 0; \
7cb608b5 4490 } STMT_END
b001a0d1
FC		 4491# else
4492# define INIT_TRACK_MEMPOOL(header, interp) \
4493 STMT_START { \
4494 (header).interpreter = (interp); \
4495 (header).prev = (header).next = &(header); \
4496 } STMT_END
4497# endif
4498# else
7cb608b5
NC		 4499# define INIT_TRACK_MEMPOOL(header, interp)
4500#endif
4501
1cd66f7c
DD		 4502#ifdef I_MALLOCMALLOC
4503/* Needed for malloc_size(), malloc_good_size() on some systems */
4504# include <malloc/malloc.h>
4505#endif
4506
ca7c1a29
NC		 4507#ifdef MYMALLOC
4508# define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
cfe52898 4509#else
b001a0d1 4510# if defined(HAS_MALLOC_SIZE) && !defined(PERL_DEBUG_READONLY_COW)
e82be400 4511# ifdef PERL_TRACK_MEMPOOL
cfe52898 4512# define Perl_safesysmalloc_size(where) \
a78adc84 4513 (malloc_size(((char *)(where)) - PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
e82be400
NC		 4514# else
4515# define Perl_safesysmalloc_size(where) malloc_size(where)
4516# endif
4517# endif
4518# ifdef HAS_MALLOC_GOOD_SIZE
4519# ifdef PERL_TRACK_MEMPOOL
d8fca402 4520# define Perl_malloc_good_size(how_much) \
a78adc84 4521 (malloc_good_size((how_much) + PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
e82be400
NC		 4522# else
4523# define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4524# endif
4525# else
d8fca402
NC		 4526/* Having this as the identity operation makes some code simpler. */
4527# define Perl_malloc_good_size(how_much) (how_much)
e82be400 4528# endif
ca7c1a29 4529#endif
b6d9d515 4530
16c91539
BM		 4531typedef int (*runops_proc_t)(pTHX);
4532typedef void (*share_proc_t) (pTHX_ SV *sv);
4533typedef int (*thrhook_proc_t) (pTHX);
4534typedef OP* (*PPADDR_t[]) (pTHX);
4535typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4536typedef void (*despatch_signals_proc_t) (pTHX);
22c35a8c 4537
f05550c0
BF		 4538#if defined(__DYNAMIC__) && defined(PERL_DARWIN) && defined(PERL_CORE)
4539# include <crt_externs.h> /* for the env array */
4540# define environ (*_NSGetEnviron())
8f1f23e8
W		 4541#else
4542 /* VMS and some other platforms don't use the environ array */
13b6e58c 4543# ifdef USE_ENVIRON_ARRAY
a6c40364 4544# if !defined(DONT_DECLARE_STD) || \
bdea967c 4545 (defined(__svr4__) && defined(__GNUC__) && defined(__sun)) || \
8d87852b 4546 defined(__sgi)
8f1f23e8 4547extern char ** environ; /* environment variables supplied via exec */
a6c40364 4548# endif
8f1f23e8
W		 4549# endif
4550#endif
79072805 4551
457c5385
NC		 4552#define PERL_PATCHLEVEL_H_IMPLICIT
4553#include "patchlevel.h"
4554#undef PERL_PATCHLEVEL_H_IMPLICIT
4555
4556#define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4557 STRINGIFY(PERL_VERSION) "." \
4558 STRINGIFY(PERL_SUBVERSION)
4559
4560#define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4561 STRINGIFY(PERL_API_VERSION) "." \
4562 STRINGIFY(PERL_API_SUBVERSION)
4563
73c4f7a1
GS		 4564START_EXTERN_C
4565
79072805 4566/* handy constants */
22c35a8c 4567EXTCONST char PL_warn_uninit[]
29489e7c 4568 INIT("Use of uninitialized value%s%s%s");
fef7e7a0 4569EXTCONST char PL_warn_uninit_sv[]
61608bb7 4570 INIT("Use of uninitialized value%" SVf "%s%s");
22c35a8c 4571EXTCONST char PL_warn_nosemi[]
463ee0b2 4572 INIT("Semicolon seems to be missing");
22c35a8c 4573EXTCONST char PL_warn_reserved[]
463ee0b2 4574 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4575EXTCONST char PL_warn_nl[]
93a17b20 4576 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4577EXTCONST char PL_no_wrongref[]
a0d0e21e 4578 INIT("Can't use %s ref as %s ref");
def89bff
NC		 4579/* The core no longer needs these here. If you require the string constant,
4580 please inline a copy into your own code. */
973a7615
NC		 4581EXTCONST char PL_no_symref[] __attribute__deprecated__
4582 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
def89bff
NC		 4583EXTCONST char PL_no_symref_sv[] __attribute__deprecated__
4584 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 4585EXTCONST char PL_no_usym[]
8990e307 4586 INIT("Can't use an undefined value as %s reference");
22c35a8c 4587EXTCONST char PL_no_aelem[]
93a17b20 4588 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4589EXTCONST char PL_no_helem_sv[]
61608bb7 4590 INIT("Modification of non-creatable hash value attempted, subscript \"%" SVf "\"");
22c35a8c 4591EXTCONST char PL_no_modify[]
93a17b20 4592 INIT("Modification of a read-only value attempted");
4cbe3a7d 4593EXTCONST char PL_no_mem[sizeof("Out of memory!\n")]
93a17b20 4594 INIT("Out of memory!\n");
22c35a8c 4595EXTCONST char PL_no_security[]
463ee0b2 4596 INIT("Insecure dependency in %s%s");
22c35a8c 4597EXTCONST char PL_no_sock_func[]
93a17b20 4598 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4599EXTCONST char PL_no_dir_func[]
93a17b20 4600 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4601EXTCONST char PL_no_func[]
93a17b20 4602 INIT("The %s function is unimplemented");
22c35a8c 4603EXTCONST char PL_no_myglob[]
a21eb52b 4604 INIT("\"%s\" %se %s can't be in a package");
82d03984
RGS		 4605EXTCONST char PL_no_localize_ref[]
4606 INIT("Can't localize through a reference");
27d5b266
JH		 4607EXTCONST char PL_memory_wrap[]
4608 INIT("panic: memory wrap");
93a17b20 4609
58f645e2
NC		 4610EXTCONST char PL_Yes[]
4611 INIT("1");
4612EXTCONST char PL_No[]
4613 INIT("");
4614EXTCONST char PL_hexdigit[]
4615 INIT("0123456789abcdef0123456789ABCDEF");
4616
0447859b
NC		 4617/* This is constant on most architectures, a global on OS/2 */
4618#ifndef OS2
4619EXTCONST char PL_sh_path[]
4620 INIT(SH_PATH); /* full path of shell */
4621#endif
4622
618b9757
NC		 4623#ifdef CSH
4624EXTCONST char PL_cshname[]
4625 INIT(CSH);
4626# define PL_cshlen (sizeof(CSH "") - 1)
4627#endif
4628
457c5385
NC		 4629/* These are baked at compile time into any shared perl library.
4630 In future releases this will allow us in main() to sanity test the
4631 library we're linking against. */
4632
4633EXTCONST U8 PL_revision
4634 INIT(PERL_REVISION);
4635EXTCONST U8 PL_version
4636 INIT(PERL_VERSION);
4637EXTCONST U8 PL_subversion
4638 INIT(PERL_SUBVERSION);
4639
7575fa06 4640EXTCONST char PL_uuemap[65]
80252599
GS		 4641 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4642
79072805 4643#ifdef DOINIT
9444d213 4644EXTCONST char PL_uudmap[256] =
dde5ec2c
NC		 4645# ifdef PERL_MICRO
4646# include "uuudmap.h"
4647# else
4648# include "uudmap.h"
4649# endif
9444d213 4650;
efa50c51 4651EXTCONST char PL_bitcount[256] =
dde5ec2c
NC		 4652# ifdef PERL_MICRO
4653# include "ubitcount.h"
4654#else
4655# include "bitcount.h"
4656# endif
efa50c51 4657;
27da23d5
JH		 4658EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4659EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4660#else
9444d213 4661EXTCONST char PL_uudmap[256];
efa50c51 4662EXTCONST char PL_bitcount[256];
27da23d5
JH		 4663EXTCONST char* const PL_sig_name[];
4664EXTCONST int PL_sig_num[];
79072805
LW		 4665#endif
4666
6d8e7a01
KW		 4667/* fast conversion and case folding tables. The folding tables complement the
4668 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4669 * folds such as outside the range or to multiple characters. */
bbce6d69 4670
79072805 4671#ifdef DOINIT
d02f4dad
KW		 4672#ifndef EBCDIC
4673
4674/* The EBCDIC fold table depends on the code page, and hence is found in
4675 * utfebcdic.h */
4676
22c35a8c 4677EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4678 0, 1, 2, 3, 4, 5, 6, 7,
4679 8, 9, 10, 11, 12, 13, 14, 15,
4680 16, 17, 18, 19, 20, 21, 22, 23,
4681 24, 25, 26, 27, 28, 29, 30, 31,
4682 32, 33, 34, 35, 36, 37, 38, 39,
4683 40, 41, 42, 43, 44, 45, 46, 47,
4684 48, 49, 50, 51, 52, 53, 54, 55,
4685 56, 57, 58, 59, 60, 61, 62, 63,
4686 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4687 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4688 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4689 'x', 'y', 'z', 91, 92, 93, 94, 95,
4690 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4691 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4692 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4693 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4694 128, 129, 130, 131, 132, 133, 134, 135,
4695 136, 137, 138, 139, 140, 141, 142, 143,
4696 144, 145, 146, 147, 148, 149, 150, 151,
4697 152, 153, 154, 155, 156, 157, 158, 159,
4698 160, 161, 162, 163, 164, 165, 166, 167,
4699 168, 169, 170, 171, 172, 173, 174, 175,
4700 176, 177, 178, 179, 180, 181, 182, 183,
4701 184, 185, 186, 187, 188, 189, 190, 191,
4702 192, 193, 194, 195, 196, 197, 198, 199,
4703 200, 201, 202, 203, 204, 205, 206, 207,
4704 208, 209, 210, 211, 212, 213, 214, 215,
4705 216, 217, 218, 219, 220, 221, 222, 223,
4706 224, 225, 226, 227, 228, 229, 230, 231,
4707 232, 233, 234, 235, 236, 237, 238, 239,
4708 240, 241, 242, 243, 244, 245, 246, 247,
4709 248, 249, 250, 251, 252, 253, 254, 255
4710};
3871f40b
KW		 4711EXTCONST unsigned char PL_fold_latin1[] = {
4712 /* Full latin1 complement folding, except for three problematic code points:
4713 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4714 * fold complements outside the Latin1 range, so can't match something
4715 * that isn't in utf8.
4716 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4717 * not one, so can't be represented in this table.
4718 *
4719 * All have to be specially handled */
4720 0, 1, 2, 3, 4, 5, 6, 7,
4721 8, 9, 10, 11, 12, 13, 14, 15,
4722 16, 17, 18, 19, 20, 21, 22, 23,
4723 24, 25, 26, 27, 28, 29, 30, 31,
4724 32, 33, 34, 35, 36, 37, 38, 39,
4725 40, 41, 42, 43, 44, 45, 46, 47,
4726 48, 49, 50, 51, 52, 53, 54, 55,
4727 56, 57, 58, 59, 60, 61, 62, 63,
4728 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4729 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4730 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4731 'x', 'y', 'z', 91, 92, 93, 94, 95,
4732 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4733 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4734 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4735 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4736 128, 129, 130, 131, 132, 133, 134, 135,
4737 136, 137, 138, 139, 140, 141, 142, 143,
4738 144, 145, 146, 147, 148, 149, 150, 151,
4739 152, 153, 154, 155, 156, 157, 158, 159,
4740 160, 161, 162, 163, 164, 165, 166, 167,
4741 168, 169, 170, 171, 172, 173, 174, 175,
4742 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4743 184, 185, 186, 187, 188, 189, 190, 191,
4744 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4745 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4746 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4747 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4748 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4749 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4750 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4751 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4752 255 /* y with diaeresis */
4753};
00f254e2
KW		 4754
4755/* If these tables are accessed through ebcdic, the access will be converted to
4756 * latin1 first */
4757EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4758 0, 1, 2, 3, 4, 5, 6, 7,
4759 8, 9, 10, 11, 12, 13, 14, 15,
4760 16, 17, 18, 19, 20, 21, 22, 23,
4761 24, 25, 26, 27, 28, 29, 30, 31,
4762 32, 33, 34, 35, 36, 37, 38, 39,
4763 40, 41, 42, 43, 44, 45, 46, 47,
4764 48, 49, 50, 51, 52, 53, 54, 55,
4765 56, 57, 58, 59, 60, 61, 62, 63,
4766 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4767 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4768 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4769 'x', 'y', 'z', 91, 92, 93, 94, 95,
4770 96, 97, 98, 99, 100, 101, 102, 103,
4771 104, 105, 106, 107, 108, 109, 110, 111,
4772 112, 113, 114, 115, 116, 117, 118, 119,
4773 120, 121, 122, 123, 124, 125, 126, 127,
4774 128, 129, 130, 131, 132, 133, 134, 135,
4775 136, 137, 138, 139, 140, 141, 142, 143,
4776 144, 145, 146, 147, 148, 149, 150, 151,
4777 152, 153, 154, 155, 156, 157, 158, 159,
4778 160, 161, 162, 163, 164, 165, 166, 167,
4779 168, 169, 170, 171, 172, 173, 174, 175,
4780 176, 177, 178, 179, 180, 181, 182, 183,
4781 184, 185, 186, 187, 188, 189, 190, 191,
4782 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4783 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4784 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4785 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4786 224, 225, 226, 227, 228, 229, 230, 231,
4787 232, 233, 234, 235, 236, 237, 238, 239,
4788 240, 241, 242, 243, 244, 245, 246, 247,
4789 248, 249, 250, 251, 252, 253, 254, 255
4790};
4791
4792/* upper and title case of latin1 characters, modified so that the three tricky
4793 * ones are mapped to 255 (which is one of the three) */
4794EXTCONST unsigned char PL_mod_latin1_uc[] = {
4795 0, 1, 2, 3, 4, 5, 6, 7,
4796 8, 9, 10, 11, 12, 13, 14, 15,
4797 16, 17, 18, 19, 20, 21, 22, 23,
4798 24, 25, 26, 27, 28, 29, 30, 31,
4799 32, 33, 34, 35, 36, 37, 38, 39,
4800 40, 41, 42, 43, 44, 45, 46, 47,
4801 48, 49, 50, 51, 52, 53, 54, 55,
4802 56, 57, 58, 59, 60, 61, 62, 63,
4803 64, 65, 66, 67, 68, 69, 70, 71,
4804 72, 73, 74, 75, 76, 77, 78, 79,
4805 80, 81, 82, 83, 84, 85, 86, 87,
4806 88, 89, 90, 91, 92, 93, 94, 95,
4807 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4808 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4809 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4810 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4811 128, 129, 130, 131, 132, 133, 134, 135,
4812 136, 137, 138, 139, 140, 141, 142, 143,
4813 144, 145, 146, 147, 148, 149, 150, 151,
4814 152, 153, 154, 155, 156, 157, 158, 159,
4815 160, 161, 162, 163, 164, 165, 166, 167,
4816 168, 169, 170, 171, 172, 173, 174, 175,
4817 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4818 184, 185, 186, 187, 188, 189, 190, 191,
4819 192, 193, 194, 195, 196, 197, 198, 199,
4820 200, 201, 202, 203, 204, 205, 206, 207,
4821 208, 209, 210, 211, 212, 213, 214, 215,
4822 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/,
4823 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4824 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4825 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4826 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4827};
1248eb9d 4828#endif /* !EBCDIC, but still in DOINIT */
00f254e2 4829#else /* ! DOINIT */
1248eb9d 4830# ifndef EBCDIC
22c35a8c 4831EXTCONST unsigned char PL_fold[];
3871f40b 4832EXTCONST unsigned char PL_fold_latin1[];
00f254e2
KW		 4833EXTCONST unsigned char PL_mod_latin1_uc[];
4834EXTCONST unsigned char PL_latin1_lc[];
1248eb9d 4835# endif
79072805
LW		 4836#endif
4837
27da23d5 4838#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4839#ifdef DOINIT
27da23d5 4840EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4841 0, 1, 2, 3, 4, 5, 6, 7,
4842 8, 9, 10, 11, 12, 13, 14, 15,
4843 16, 17, 18, 19, 20, 21, 22, 23,
4844 24, 25, 26, 27, 28, 29, 30, 31,
4845 32, 33, 34, 35, 36, 37, 38, 39,
4846 40, 41, 42, 43, 44, 45, 46, 47,
4847 48, 49, 50, 51, 52, 53, 54, 55,
4848 56, 57, 58, 59, 60, 61, 62, 63,
4849 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4850 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4851 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4852 'x', 'y', 'z', 91, 92, 93, 94, 95,
4853 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4854 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4855 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4856 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4857 128, 129, 130, 131, 132, 133, 134, 135,
4858 136, 137, 138, 139, 140, 141, 142, 143,
4859 144, 145, 146, 147, 148, 149, 150, 151,
4860 152, 153, 154, 155, 156, 157, 158, 159,
4861 160, 161, 162, 163, 164, 165, 166, 167,
4862 168, 169, 170, 171, 172, 173, 174, 175,
4863 176, 177, 178, 179, 180, 181, 182, 183,
4864 184, 185, 186, 187, 188, 189, 190, 191,
4865 192, 193, 194, 195, 196, 197, 198, 199,
4866 200, 201, 202, 203, 204, 205, 206, 207,
4867 208, 209, 210, 211, 212, 213, 214, 215,
4868 216, 217, 218, 219, 220, 221, 222, 223,
4869 224, 225, 226, 227, 228, 229, 230, 231,
4870 232, 233, 234, 235, 236, 237, 238, 239,
4871 240, 241, 242, 243, 244, 245, 246, 247,
4872 248, 249, 250, 251, 252, 253, 254, 255
4873};
4874#else
27da23d5 4875EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4876#endif
27da23d5 4877#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4878
4879#ifdef DOINIT
9d116dd7 4880#ifdef EBCDIC
27da23d5 4881EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4882 1, 2, 84, 151, 154, 155, 156, 157,
4883 165, 246, 250, 3, 158, 7, 18, 29,
4884 40, 51, 62, 73, 85, 96, 107, 118,
4885 129, 140, 147, 148, 149, 150, 152, 153,
4886 255, 6, 8, 9, 10, 11, 12, 13,
4887 14, 15, 24, 25, 26, 27, 28, 226,
4888 29, 30, 31, 32, 33, 43, 44, 45,
4889 46, 47, 48, 49, 50, 76, 77, 78,
4890 79, 80, 81, 82, 83, 84, 85, 86,
4891 87, 94, 95, 234, 181, 233, 187, 190,
4892 180, 96, 97, 98, 99, 100, 101, 102,
4893 104, 112, 182, 174, 236, 232, 229, 103,
4894 228, 226, 114, 115, 116, 117, 118, 119,
4895 120, 121, 122, 235, 176, 230, 194, 162,
4896 130, 131, 132, 133, 134, 135, 136, 137,
4897 138, 139, 201, 205, 163, 217, 220, 224,
4898 5, 248, 227, 244, 242, 255, 241, 231,
4899 240, 253, 16, 197, 19, 20, 21, 187,
4900 23, 169, 210, 245, 237, 249, 247, 239,
4901 168, 252, 34, 196, 36, 37, 38, 39,
4902 41, 42, 251, 254, 238, 223, 221, 213,
4903 225, 177, 52, 53, 54, 55, 56, 57,
4904 58, 59, 60, 61, 63, 64, 65, 66,
4905 67, 68, 69, 70, 71, 72, 74, 75,
4906 205, 208, 186, 202, 200, 218, 198, 179,
4907 178, 214, 88, 89, 90, 91, 92, 93,
4908 217, 166, 170, 207, 199, 209, 206, 204,
4909 160, 212, 105, 106, 108, 109, 110, 111,
4910 203, 113, 216, 215, 192, 175, 193, 243,
4911 172, 161, 123, 124, 125, 126, 127, 128,
4912 222, 219, 211, 195, 188, 193, 185, 184,
4913 191, 183, 141, 142, 143, 144, 145, 146
4914};
4915#else /* ascii rather than ebcdic */
22c35a8c 4916EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4917 1, 2, 84, 151, 154, 155, 156, 157,
4918 165, 246, 250, 3, 158, 7, 18, 29,
4919 40, 51, 62, 73, 85, 96, 107, 118,
4920 129, 140, 147, 148, 149, 150, 152, 153,
4921 255, 182, 224, 205, 174, 176, 180, 217,
4922 233, 232, 236, 187, 235, 228, 234, 226,
4923 222, 219, 211, 195, 188, 193, 185, 184,
4924 191, 183, 201, 229, 181, 220, 194, 162,
4925 163, 208, 186, 202, 200, 218, 198, 179,
4926 178, 214, 166, 170, 207, 199, 209, 206,
4927 204, 160, 212, 216, 215, 192, 175, 173,
4928 243, 172, 161, 190, 203, 189, 164, 230,
4929 167, 248, 227, 244, 242, 255, 241, 231,
4930 240, 253, 169, 210, 245, 237, 249, 247,
4931 239, 168, 252, 251, 254, 238, 223, 221,
4932 213, 225, 177, 197, 171, 196, 159, 4,
4933 5, 6, 8, 9, 10, 11, 12, 13,
4934 14, 15, 16, 17, 19, 20, 21, 22,
4935 23, 24, 25, 26, 27, 28, 30, 31,
4936 32, 33, 34, 35, 36, 37, 38, 39,
4937 41, 42, 43, 44, 45, 46, 47, 48,
4938 49, 50, 52, 53, 54, 55, 56, 57,
4939 58, 59, 60, 61, 63, 64, 65, 66,
4940 67, 68, 69, 70, 71, 72, 74, 75,
4941 76, 77, 78, 79, 80, 81, 82, 83,
4942 86, 87, 88, 89, 90, 91, 92, 93,
4943 94, 95, 97, 98, 99, 100, 101, 102,
4944 103, 104, 105, 106, 108, 109, 110, 111,
4945 112, 113, 114, 115, 116, 117, 119, 120,
4946 121, 122, 123, 124, 125, 126, 127, 128,
4947 130, 131, 132, 133, 134, 135, 136, 137,
4948 138, 139, 141, 142, 143, 144, 145, 146
4949};
9d116dd7 4950#endif
79072805 4951#else
22c35a8c 4952EXTCONST unsigned char PL_freq[];
79072805
LW		 4953#endif
4954
b0812ba3
DM		 4955/* Although only used for debugging, these constants must be available in
4956 * non-debugging builds too, since they're used in ext/re/re_exec.c,
4957 * which has DEBUGGING enabled always */
8990e307 4958#ifdef DOINIT
27da23d5 4959EXTCONST char* const PL_block_type[] = {
8990e307 4960 "NULL",
d01136d6 4961 "WHEN",
8990e307 4962 "BLOCK",
0d863452 4963 "GIVEN",
d01136d6
BS		 4964 "LOOP_FOR",
4965 "LOOP_PLAIN",
4966 "LOOP_LAZYSV",
4967 "LOOP_LAZYIV",
76753e7f
NC		 4968 "SUB",
4969 "FORMAT",
4970 "EVAL",
4971 "SUBST"
8990e307
LW		 4972};
4973#else
22c35a8c 4974EXTCONST char* PL_block_type[];
8990e307 4975#endif
8990e307 4976
b75885fd
NC		 4977/* These are all the compile time options that affect binary compatibility.
4978 Other compile time options that are binary compatible are in perl.c
4979 Both are combined for the output of perl -V
4980 However, this string will be embedded in any shared perl library, which will
4981 allow us add a comparison check in perlmain.c in the near future. */
4982#ifdef DOINIT
4983EXTCONST char PL_bincompat_options[] =
4984# ifdef DEBUG_LEAKING_SCALARS
4985 " DEBUG_LEAKING_SCALARS"
4986# endif
4987# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4988 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4989# endif
eba804b9
NC		 4990# ifdef FCRYPT
4991 " FCRYPT"
4992# endif
4993# ifdef HAS_TIMES
4994 " HAS_TIMES"
4995# endif
4996# ifdef HAVE_INTERP_INTERN
426f6eb2 4997 " HAVE_INTERP_INTERN"
eba804b9 4998# endif
b75885fd
NC		 4999# ifdef MULTIPLICITY
5000 " MULTIPLICITY"
5001# endif
5002# ifdef MYMALLOC
5003 " MYMALLOC"
5004# endif
eba804b9
NC		 5005# ifdef PERLIO_LAYERS
5006 " PERLIO_LAYERS"
5007# endif
cb26ef7a
MB		 5008# ifdef PERL_DEBUG_READONLY_COW
5009 " PERL_DEBUG_READONLY_COW"
5010# endif
b75885fd
NC		 5011# ifdef PERL_DEBUG_READONLY_OPS
5012 " PERL_DEBUG_READONLY_OPS"
5013# endif
5014# ifdef PERL_GLOBAL_STRUCT
5015 " PERL_GLOBAL_STRUCT"
5016# endif
59dba841
JH		 5017# ifdef PERL_GLOBAL_STRUCT_PRIVATE
5018 " PERL_GLOBAL_STRUCT_PRIVATE"
5019# endif
b75885fd
NC		 5020# ifdef PERL_IMPLICIT_CONTEXT
5021 " PERL_IMPLICIT_CONTEXT"
5022# endif
5023# ifdef PERL_IMPLICIT_SYS
5024 " PERL_IMPLICIT_SYS"
5025# endif
eba804b9
NC		 5026# ifdef PERL_MICRO
5027 " PERL_MICRO"
5028# endif
b75885fd
NC		 5029# ifdef PERL_NEED_APPCTX
5030 " PERL_NEED_APPCTX"
5031# endif
5032# ifdef PERL_NEED_TIMESBASE
5033 " PERL_NEED_TIMESBASE"
5034# endif
5035# ifdef PERL_OLD_COPY_ON_WRITE
5036 " PERL_OLD_COPY_ON_WRITE"
5037# endif
5038# ifdef PERL_POISON
5039 " PERL_POISON"
5040# endif
5b50f57e
FC		 5041# ifdef PERL_SAWAMPERSAND
5042 " PERL_SAWAMPERSAND"
5043# endif
b75885fd
NC		 5044# ifdef PERL_TRACK_MEMPOOL
5045 " PERL_TRACK_MEMPOOL"
5046# endif
5047# ifdef PERL_USES_PL_PIDSTATUS
5048 " PERL_USES_PL_PIDSTATUS"
5049# endif
b75885fd
NC		 5050# ifdef USE_64_BIT_ALL
5051 " USE_64_BIT_ALL"
5052# endif
5053# ifdef USE_64_BIT_INT
5054 " USE_64_BIT_INT"
5055# endif
c7b392fa
NC		 5056# ifdef USE_IEEE
5057 " USE_IEEE"
5058# endif
b75885fd
NC		 5059# ifdef USE_ITHREADS
5060 " USE_ITHREADS"
5061# endif
5062# ifdef USE_LARGE_FILES
5063 " USE_LARGE_FILES"
5064# endif
eba804b9
NC		 5065# ifdef USE_LOCALE_COLLATE
5066 " USE_LOCALE_COLLATE"
5067# endif
5068# ifdef USE_LOCALE_NUMERIC
5069 " USE_LOCALE_NUMERIC"
5070# endif
56e45410
KW		 5071# ifdef USE_LOCALE_TIME
5072 " USE_LOCALE_TIME"
5073# endif
b75885fd
NC		 5074# ifdef USE_LONG_DOUBLE
5075 " USE_LONG_DOUBLE"
5076# endif
5077# ifdef USE_PERLIO
5078 " USE_PERLIO"
5079# endif
05b4a618
JH		 5080# ifdef USE_QUADMATH
5081 " USE_QUADMATH"
5082# endif
b75885fd
NC		 5083# ifdef USE_REENTRANT_API
5084 " USE_REENTRANT_API"
5085# endif
b75885fd
NC		 5086# ifdef USE_SOCKS
5087 " USE_SOCKS"
5088# endif
4f575702
CB		 5089# ifdef VMS_DO_SOCKETS
5090 " VMS_DO_SOCKETS"
4f575702 5091# endif
e8b231c6
CB		 5092# ifdef VMS_SHORTEN_LONG_SYMBOLS
5093 " VMS_SHORTEN_LONG_SYMBOLS"
5094# endif
ad5e438d
NC		 5095# ifdef VMS_WE_ARE_CASE_SENSITIVE
5096 " VMS_SYMBOL_CASE_AS_IS"
5097# endif
a68dd89e 5098 "";
b75885fd
NC		 5099#else
5100EXTCONST char PL_bincompat_options[];
5101#endif
5102
ca7b837b
SM		 5103#ifndef PERL_SET_PHASE
5104# define PERL_SET_PHASE(new_phase) \
cb3f8189 5105 PHASE_CHANGE_PROBE(PL_phase_names[new_phase], PL_phase_names[PL_phase]); \
ca7b837b
SM		 5106 PL_phase = new_phase;
5107#endif
5108
9ebf26ad
FR		 5109/* The interpreter phases. If these ever change, PL_phase_names right below will
5110 * need to be updated accordingly. */
5111enum perl_phase {
5112 PERL_PHASE_CONSTRUCT = 0,
5113 PERL_PHASE_START = 1,
5114 PERL_PHASE_CHECK = 2,
5115 PERL_PHASE_INIT = 3,
5116 PERL_PHASE_RUN = 4,
5117 PERL_PHASE_END = 5,
5118 PERL_PHASE_DESTRUCT = 6
5119};
5120
5121#ifdef DOINIT
5122EXTCONST char *const PL_phase_names[] = {
5123 "CONSTRUCT",
5124 "START",
5125 "CHECK",
5126 "INIT",
5127 "RUN",
5128 "END",
5129 "DESTRUCT"
5130};
5131#else
5132EXTCONST char *const PL_phase_names[];
5133#endif
5134
627364f1
FR		 5135#ifndef PERL_CORE
5136/* Do not use this macro. It only exists for extensions that rely on PL_dirty
5137 * instead of using the newer PL_phase, which provides everything PL_dirty
5138 * provided, and more. */
5139# define PL_dirty (PL_phase == PERL_PHASE_DESTRUCT)
66978156
FC		 5140
5141# define PL_amagic_generation PL_na
627364f1
FR		 5142#endif /* !PERL_CORE */
5143
823ac2c8
FC		 5144#define PL_hints PL_compiling.cop_hints
5145
73c4f7a1
GS		 5146END_EXTERN_C
5147
79072805
LW		 5148/*****************************************************************************/
5149/* This lexer/parser stuff is currently global since yacc is hard to reenter */
5150/*****************************************************************************/
8990e307 5151/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 5152
d4c3c482 5153#ifdef __Lynx__
9cffb111
OS		 5154/* LynxOS defines these in scsi.h which is included via ioctl.h */
5155#ifdef FORMAT
5156#undef FORMAT
5157#endif
5158#ifdef SPACE
5159#undef SPACE
5160#endif
d4c3c482 5161#endif
9cffb111 5162
fb73857a 5163#define LEX_NOTPARSING 11 /* borrowed from toke.c */
5164
79072805
LW		 5165typedef enum {
5166 XOPERATOR,
5167 XTERM,
79072805 5168 XREF,
8990e307 5169 XSTATE,
a0d0e21e 5170 XBLOCK,
09bef843
SB		 5171 XATTRBLOCK,
5172 XATTRTERM,
6f33ba73 5173 XTERMBLOCK,
b5b6210a 5174 XBLOCKTERM,
89f35911 5175 XPOSTDEREF,
6f33ba73 5176 XTERMORDORDOR /* evil hack */
27308ded 5177 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 5178} expectation;
5179
d5ec2987
NC		 5180/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
5181 special and there is no need for HINT_PRIVATE_MASK for COPs
538e84ed
KW		 5182 However, bitops store HINT_INTEGER in their op_private.
5183
5184 NOTE: The typical module using these has the bit value hard-coded, so don't
d6ded950
KW		 5185 blindly change the values of these.
5186
5187 If we run out of bits, the 2 locale ones could be combined. The PARTIAL one
5188 is for "use locale 'FOO'" which excludes some categories. It requires going
5189 to %^H to find out which are in and which are out. This could be extended
5190 for the normal case of a plain HINT_LOCALE, so that %^H would be used for
5191 any locale form. */
9cfe5470
RGS		 5192#define HINT_INTEGER 0x00000001 /* integer pragma */
5193#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
5194#define HINT_LOCALE 0x00000004 /* locale pragma */
5195#define HINT_BYTES 0x00000008 /* bytes pragma */
d6ded950 5196#define HINT_LOCALE_PARTIAL 0x00000010 /* locale, but a subset of categories */
894ea76b
FC		 5197
5198#define HINT_EXPLICIT_STRICT_REFS 0x00000020 /* strict.pm */
5199#define HINT_EXPLICIT_STRICT_SUBS 0x00000040 /* strict.pm */
5200#define HINT_EXPLICIT_STRICT_VARS 0x00000080 /* strict.pm */
85e6fe83
LW		 5201
5202#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 5203#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
5204#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
1863b879 5205#define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */
85e6fe83 5206
9cfe5470 5207/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 5208#define HINT_NEW_INTEGER 0x00001000
5209#define HINT_NEW_FLOAT 0x00002000
5210#define HINT_NEW_BINARY 0x00004000
5211#define HINT_NEW_STRING 0x00008000
5212#define HINT_NEW_RE 0x00010000
5213#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 5214#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
5215#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 5216
9cfe5470
RGS		 5217#define HINT_RE_TAINT 0x00100000 /* re pragma */
5218#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 5219
9cfe5470
RGS		 5220#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
5221#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 5222
e46c382e
YK		 5223#define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
5224
1e215989
FC		 5225#define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */
5226
a803b9b4
FC		 5227#define HINT_FEATURE_MASK 0x1c000000 /* 3 bits for feature bundles */
5228
894ea76b
FC		 5229 /* Note: Used for NATIVE_HINTS, currently
5230 defined by vms/vmsish.h:
5231 0x40000000
5232 0x80000000
5233 */
d1718a7c 5234
0239f47c 5235/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 5236#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
5237#define HINT_SORT_QUICKSORT 0x00000001
5238#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 5239#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 5240
d3b97530
DM		 5241/* flags for PL_sawampersand */
5242
5243#define SAWAMPERSAND_LEFT 1 /* saw $` */
5244#define SAWAMPERSAND_MIDDLE 2 /* saw $& */
5245#define SAWAMPERSAND_RIGHT 4 /* saw $' */
5246
1a904fc8
FC		 5247#ifndef PERL_SAWAMPERSAND
5248# define PL_sawampersand \
5249 (SAWAMPERSAND_LEFT|SAWAMPERSAND_MIDDLE|SAWAMPERSAND_RIGHT)
5250#endif
5251
a6d69523
TC		 5252/* Used for debugvar magic */
5253#define DBVARMG_SINGLE 0
5254#define DBVARMG_TRACE 1
5255#define DBVARMG_SIGNAL 2
5256#define DBVARMG_COUNT 3
5257
5258#define PL_DBsingle_iv (PL_DBcontrol[DBVARMG_SINGLE])
5259#define PL_DBtrace_iv (PL_DBcontrol[DBVARMG_TRACE])
5260#define PL_DBsignal_iv (PL_DBcontrol[DBVARMG_SIGNAL])
5261
8bfdd7d9 5262/* Various states of the input record separator SV (rs) */
d4cce5f1 5263#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 5264#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
5265#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 5266#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 5267
128e8167 5268/* A struct for keeping various DEBUGGING related stuff,
ce333219 5269 * neatly packed. Currently only scratch variables for
128e8167
JH		 5270 * constructing debug output are included. Needed always,
5271 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 5272struct perl_debug_pad {
5273 SV pad[3];
5274};
5275
5276#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 5277#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
5278 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
5279 PERL_DEBUG_PAD(i))
ce333219 5280
56953603 5281/* Enable variables which are pointers to functions */
16c91539
BM		 5282typedef void (*peep_t)(pTHX_ OP* o);
5283typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm);
5284typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg,
0cb96387
GS		 5285 char* strend, char* strbeg, I32 minend,
5286 SV* screamer, void* data, U32 flags);
16c91539 5287typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv,
f722798b
IZ		 5288 char *strpos, char *strend,
5289 U32 flags,
9f61653a 5290 re_scream_pos_data *d);
16c91539
BM		 5291typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog);
5292typedef void (*regfree_t) (pTHX_ struct regexp* r);
5293typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param);
a932d541 5294typedef I32 (*re_fold_t)(const char *, char const *, I32);
56953603 5295
c76ac1ee 5296typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc 5297typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
f30de749 5298typedef void (*SVFUNC_t) (pTHX_ SV* const);
31e9e0a3 5299typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
acfe0abc
GS		 5300typedef void (*XSINIT_t) (pTHX);
5301typedef void (*ATEXIT_t) (pTHX_ void*);
5302typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 5303
16c91539
BM		 5304typedef OP* (*Perl_ppaddr_t)(pTHX);
5305typedef OP* (*Perl_check_t) (pTHX_ OP*);
5306typedef void(*Perl_ophook_t)(pTHX_ OP*);
5307typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**);
1830b3d9 5308typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *);
88e1f1a2 5309
d67594ff
FC		 5310typedef void(*globhook_t)(pTHX);
5311
88e1f1a2
JV		 5312#define KEYWORD_PLUGIN_DECLINE 0
5313#define KEYWORD_PLUGIN_STMT 1
5314#define KEYWORD_PLUGIN_EXPR 2
22239a37 5315
58a50f62
GS		 5316/* Interpreter exitlist entry */
5317typedef struct exitlistentry {
acfe0abc 5318 void (*fn) (pTHX_ void*);
58a50f62
GS		 5319 void *ptr;
5320} PerlExitListEntry;
5321
aadb217d
JH		 5322/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
5323/* These have to be before perlvars.h */
5324#if !defined(HAS_SIGACTION) && defined(VMS)
5325# define FAKE_PERSISTENT_SIGNAL_HANDLERS
5326#endif
5327/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
5328#if defined(KILL_BY_SIGPRC)
5329# define FAKE_DEFAULT_SIGNAL_HANDLERS
5330#endif
5331
8c1cc017
NC		 5332#if !defined(MULTIPLICITY)
5333
5334struct interpreter {
5335 char broiled;
22239a37
NIS		 5336};
5337
8c1cc017 5338#else
22239a37 5339
d460ef45 5340/* If we have multiple interpreters define a struct
d4cce5f1 5341 holding variables which must be per-interpreter
d460ef45 5342 If we don't have threads anything that would have
d4cce5f1
NIS		 5343 be per-thread is per-interpreter.
5344*/
5345
8c1cc017 5346/* Set up PERLVAR macros for populating structs */
115ff745 5347# define PERLVAR(prefix,var,type) type prefix##var;
eb42f199
KW		 5348
5349/* 'var' is an array of length 'n' */
115ff745 5350# define PERLVARA(prefix,var,n,type) type prefix##var[n];
eb42f199
KW		 5351
5352/* initialize 'var' to init' */
115ff745 5353# define PERLVARI(prefix,var,type,init) type prefix##var;
eb42f199
KW		 5354
5355/* like PERLVARI, but make 'var' a const */
115ff745 5356# define PERLVARIC(prefix,var,type,init) type prefix##var;
8c1cc017 5357
79072805 5358struct interpreter {
7766f137 5359# include "intrpvar.h"
49f531da 5360};
d4cce5f1 5361
724cf8d6
NC		 5362EXTCONST U16 PL_interp_size
5363 INIT(sizeof(struct interpreter));
5364
5365# define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \
5366 STRUCT_OFFSET(struct interpreter, member) + \
5367 sizeof(((struct interpreter*)0)->member)
5368
5369/* This will be useful for subsequent releases, because this has to be the
5370 same in your libperl as in main(), else you have a mismatch and must abort.
5371*/
d399cf59
NC		 5372EXTCONST U16 PL_interp_size_5_18_0
5373 INIT(PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_18_0_INTERP_MEMBER));
724cf8d6
NC		 5374
5375
8c1cc017
NC		 5376# ifdef PERL_GLOBAL_STRUCT
5377/* MULTIPLICITY is automatically defined when PERL_GLOBAL_STRUCT is defined,
5378 hence it's safe and sane to nest this within #ifdef MULTIPLICITY */
5379
5380struct perl_vars {
5381# include "perlvars.h"
49f531da 5382};
8c1cc017 5383
724cf8d6
NC		 5384EXTCONST U16 PL_global_struct_size
5385 INIT(sizeof(struct perl_vars));
5386
8c1cc017
NC		 5387# ifdef PERL_CORE
5388# ifndef PERL_GLOBAL_STRUCT_PRIVATE
5389EXT struct perl_vars PL_Vars;
5390EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
5391# undef PERL_GET_VARS
5392# define PERL_GET_VARS() PL_VarsPtr
5393# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
5394# else /* PERL_CORE */
5395# if !defined(__GNUC__) || !defined(WIN32)
5396EXT
5397# endif /* WIN32 */
5398struct perl_vars *PL_VarsPtr;
5399# define PL_Vars (*((PL_VarsPtr) \
5400 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
5401# endif /* PERL_CORE */
5402# endif /* PERL_GLOBAL_STRUCT */
79072805 5403
22239a37 5404/* Done with PERLVAR macros for now ... */
8c1cc017
NC		 5405# undef PERLVAR
5406# undef PERLVARA
5407# undef PERLVARI
5408# undef PERLVARIC
8c1cc017
NC		 5409
5410#endif /* MULTIPLICITY */
79072805 5411
f7fe979e 5412struct tempsym; /* defined in pp_pack.c */
49704364 5413
22239a37 5414#include "thread.h"
79072805 5415#include "pp.h"
864dbfa3
GS		 5416
5417#ifndef PERL_CALLCONV
a0c21aa1
JH		 5418# ifdef __cplusplus
5419# define PERL_CALLCONV extern "C"
5420# else
5421# define PERL_CALLCONV
5422# endif
d460ef45 5423#endif
12a2785c
DD		 5424#ifndef PERL_CALLCONV_NO_RET
5425# define PERL_CALLCONV_NO_RET PERL_CALLCONV
5426#endif
5427
98c015b7
DD		 5428/* PERL_STATIC_NO_RET is supposed to be equivalent to STATIC on builds that
5429 dont have a noreturn as a declaration specifier
5430*/
5431#ifndef PERL_STATIC_NO_RET
5432# define PERL_STATIC_NO_RET STATIC
5433#endif
5434/* PERL_STATIC_NO_RET is supposed to be equivalent to PERL_STATIC_INLINE on
5435 builds that dont have a noreturn as a declaration specifier
5436*/
5437#ifndef PERL_STATIC_INLINE_NO_RET
5438# define PERL_STATIC_INLINE_NO_RET PERL_STATIC_INLINE
5439#endif
5440
5441
0cb96387
GS		 5442#undef PERL_CKDEF
5443#undef PERL_PPDEF
0159f81b
JH		 5444#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
5445#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 5446
158cfab6
JD		 5447#ifdef MYMALLOC
5448# include "malloc_ctl.h"
5449#endif
5450
7766f137 5451#include "proto.h"
864dbfa3 5452
0cb96387 5453/* this has structure inits, so it cannot be included before here */
acfe0abc 5454#include "opcode.h"
864dbfa3 5455
d4cce5f1
NIS		 5456/* The following must follow proto.h as #defines mess up syntax */
5457
22c35a8c
GS		 5458#if !defined(PERL_FOR_X2P)
5459# include "embedvar.h"
5460#endif
d4cce5f1 5461
d460ef45 5462/* Now include all the 'global' variables
d4cce5f1 5463 * If we don't have threads or multiple interpreters
d460ef45 5464 * these include variables that would have been their struct-s
d4cce5f1 5465 */
d460ef45 5466
115ff745
NC		 5467#define PERLVAR(prefix,var,type) EXT type PL_##var;
5468#define PERLVARA(prefix,var,n,type) EXT type PL_##var[n];
5469#define PERLVARI(prefix,var,type,init) EXT type PL_##var INIT(init);
5470#define PERLVARIC(prefix,var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 5471
acfe0abc 5472#if !defined(MULTIPLICITY)
7766f137 5473START_EXTERN_C
066ef5b5 5474# include "intrpvar.h"
7766f137 5475END_EXTERN_C
22239a37
NIS		 5476#endif
5477
24792b8d
NC		 5478#ifdef PERL_CORE
5479/* All core uses now exterminated. Ensure no zombies can return: */
5480# undef PL_na
5481#endif
5482
f9293c5b
NC		 5483/* Now all the config stuff is setup we can include embed.h
5484 In particular, need the relevant *ish file included already, as it may
5485 define HAVE_INTERP_INTERN */
5486#include "embed.h"
22239a37 5487
c5be433b
GS		 5488#ifndef PERL_GLOBAL_STRUCT
5489START_EXTERN_C
5490
5491# include "perlvars.h"
5492
5493END_EXTERN_C
5494#endif
5495
d4cce5f1 5496#undef PERLVAR
51371543 5497#undef PERLVARA
d4cce5f1 5498#undef PERLVARI
0f3f18a6 5499#undef PERLVARIC
79072805 5500
73c4f7a1
GS		 5501START_EXTERN_C
5502
af2f0da9
NC		 5503/* dummy variables that hold pointers to both runops functions, thus forcing
5504 * them *both* to get linked in (useful for Peek.xs, debugging etc) */
5505
5506EXTCONST runops_proc_t PL_runops_std
5507 INIT(Perl_runops_standard);
5508EXTCONST runops_proc_t PL_runops_dbg
5509 INIT(Perl_runops_debug);
5510
bc028b6b
JH		 5511/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
5512 * magic vtables const, but this is incompatible with SWIG which
5513 * does want to modify the vtables. */
5514#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5515# define EXT_MGVTBL EXTCONST MGVTBL
5516#else
5517# define EXT_MGVTBL EXT MGVTBL
5518#endif
5519
82ff486e 5520#define PERL_MAGIC_READONLY_ACCEPTABLE 0x40
e0a73de4
NC		 5521#define PERL_MAGIC_VALUE_MAGIC 0x80
5522#define PERL_MAGIC_VTABLE_MASK 0x3F
82ff486e
NC		 5523#define PERL_MAGIC_TYPE_READONLY_ACCEPTABLE(t) \
5524 (PL_magic_data[(U8)(t)] & PERL_MAGIC_READONLY_ACCEPTABLE)
e0a73de4
NC		 5525#define PERL_MAGIC_TYPE_IS_VALUE_MAGIC(t) \
5526 (PL_magic_data[(U8)(t)] & PERL_MAGIC_VALUE_MAGIC)
5527
8b09643d 5528#include "mg_vtable.h"
6f83ef0e
NC		 5529
5530#ifdef DOINIT
5531EXTCONST U8 PL_magic_data[256] =
dde5ec2c
NC		 5532# ifdef PERL_MICRO
5533# include "umg_data.h"
5534# else
5535# include "mg_data.h"
5536# endif
6f83ef0e
NC		 5537;
5538#else
5539EXTCONST U8 PL_magic_data[256];
5540#endif
5541
f1fb8741 5542#ifdef DOINIT
e94d9b54 5543 /* NL IV NV PV INV PI PN MG RX GV LV AV HV CV FM IO */
f1fb8741 5544EXTCONST bool
e94d9b54 5545PL_valid_types_IVX[] = { 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
f1fb8741 5546EXTCONST bool
e94d9b54 5547PL_valid_types_NVX[] = { 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
f1fb8741 5548EXTCONST bool
d361b004 5549PL_valid_types_PVX[] = { 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1 };
f1fb8741 5550EXTCONST bool
e94d9b54 5551PL_valid_types_RV[] = { 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1 };
f1fb8741 5552EXTCONST bool
e94d9b54 5553PL_valid_types_IV_set[] = { 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1 };
f1fb8741 5554EXTCONST bool
e94d9b54 5555PL_valid_types_NV_set[] = { 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 };
f1fb8741
DM		 5556
5557#else
5558
5559EXTCONST bool PL_valid_types_IVX[];
5560EXTCONST bool PL_valid_types_NVX[];
5561EXTCONST bool PL_valid_types_PVX[];
5562EXTCONST bool PL_valid_types_RV[];
5563EXTCONST bool PL_valid_types_IV_set[];
5564EXTCONST bool PL_valid_types_NV_set[];
5565
5566#endif
5567
cf6e31e9
DM		 5568
5569/* if these never got defined, they need defaults */
5570#ifndef PERL_SET_CONTEXT
5571# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5572#endif
5573
5574#ifndef PERL_GET_CONTEXT
5575# define PERL_GET_CONTEXT PERL_GET_INTERP
5576#endif
5577
5578#ifndef PERL_GET_THX
5579# define PERL_GET_THX ((void*)NULL)
5580#endif
5581
5582#ifndef PERL_SET_THX
5583# define PERL_SET_THX(t) NOOP
5584#endif
5585
5586
c7627e6d
NC		 5587#ifndef PERL_NO_INLINE_FUNCTIONS
5588/* Static inline funcs that depend on includes and declarations above.
5589 Some of these reference functions in the perl object files, and some
5590 compilers aren't smart enough to eliminate unused static inline
5591 functions, so including this file in source code can cause link errors
5592 even if the source code uses none of the functions. Hence including these
5593 can be be suppressed by setting PERL_NO_INLINE_FUNCTIONS. Doing this will
5594 (obviously) result in unworkable XS code, but allows simple probing code
5595 to continue to work, because it permits tests to include the perl headers
5596 for definitions without creating a link dependency on the perl library
5597 (which may not exist yet).
5598*/
5599
5600# include "inline.h"
5601#endif
f1fb8741 5602
bab3dc31 5603#include "overload.h"
a0d0e21e 5604
73c4f7a1
GS		 5605END_EXTERN_C
5606
a6006777 5607struct am_table {
8978b4ac
NC		 5608 U8 flags;
5609 U8 fallback;
5610 U16 spare;
eb160463 5611 U32 was_ok_sub;
9bd87817 5612 CV* table[NofAMmeth];
a0d0e21e 5613};
a6006777 5614struct am_table_short {
8978b4ac
NC		 5615 U8 flags;
5616 U8 fallback;
5617 U16 spare;
eb160463 5618 U32 was_ok_sub;
a6006777 5619};
a0d0e21e 5620typedef struct am_table AMT;
a6006777 5621typedef struct am_table_short AMTS;
a0d0e21e
LW		 5622
5623#define AMGfallNEVER 1
5624#define AMGfallNO 2
5625#define AMGfallYES 3
5626
a6006777 5627#define AMTf_AMAGIC 1
5628#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5629#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5630#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
5631
32251b26 5632#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5633
5634/*
5635 * some compilers like to redefine cos et alia as faster
5636 * (and less accurate?) versions called F_cos et cetera (Quidquid
5637 * latine dictum sit, altum viditur.) This trick collides with
5638 * the Perl overloading (amg). The following #defines fool both.
5639 */
5640
5641#ifdef _FASTMATH
5642# ifdef atan2
5643# define F_atan2_amg atan2_amg
5644# endif
5645# ifdef cos
5646# define F_cos_amg cos_amg
5647# endif
5648# ifdef exp
5649# define F_exp_amg exp_amg
5650# endif
5651# ifdef log
5652# define F_log_amg log_amg
5653# endif
5654# ifdef pow
5655# define F_pow_amg pow_amg
5656# endif
5657# ifdef sin
5658# define F_sin_amg sin_amg
5659# endif
5660# ifdef sqrt
5661# define F_sqrt_amg sqrt_amg
5662# endif
5663#endif /* _FASTMATH */
5664
83ee9e09
GS		 5665#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5666 PERLDBf_NOOPT | PERLDBf_INTER | \
5667 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
b8fcbefe
NC		 5668 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5669 PERLDBf_SAVESRC)
925cfbb8 5670 /* No _NONAME, _GOTO */
83ee9e09
GS		 5671#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5672#define PERLDBf_LINE 0x02 /* Keep line # */
5673#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5674#define PERLDBf_INTER 0x08 /* Preserve more data for
5675 later inspections */
5676#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5677#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5678#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5679#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5680#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5681#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
b8fcbefe 5682#define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
486ec47a 5683#define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */
c30d8139 5684#define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
84902520 5685
3280af22
NIS		 5686#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5687#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5688#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5689#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5690#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5691#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5692#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5693#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5694#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5695#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
b8fcbefe 5696#define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC))
c30d8139
NC		 5697#define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS))
5698#define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID))
bbce6d69 5699
91191cf7 5700#ifdef USE_LOCALE
d6ded950 5701/* These locale things are all subject to change */
c8bf5ca7 5702/* Returns TRUE if the plain locale pragma without a parameter is in effect
66cbab2c 5703 */
6d62ead0 5704# define IN_LOCALE_RUNTIME cBOOL(CopHINTS_get(PL_curcop) & HINT_LOCALE)
66cbab2c 5705
c8bf5ca7 5706/* Returns TRUE if either form of the locale pragma is in effect */
6d62ead0 5707# define IN_SOME_LOCALE_FORM_RUNTIME \
d6ded950 5708 cBOOL(CopHINTS_get(PL_curcop) & (HINT_LOCALE|HINT_LOCALE_PARTIAL))
66cbab2c 5709
6d62ead0
KW		 5710# define IN_LOCALE_COMPILETIME cBOOL(PL_hints & HINT_LOCALE)
5711# define IN_SOME_LOCALE_FORM_COMPILETIME \
d6ded950 5712 cBOOL(PL_hints & (HINT_LOCALE|HINT_LOCALE_PARTIAL))
2de3dbcc 5713
6d62ead0 5714# define IN_LOCALE \
923e4eb5 5715 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
6d62ead0 5716# define IN_SOME_LOCALE_FORM \
66cbab2c
KW		 5717 (IN_PERL_COMPILETIME ? IN_SOME_LOCALE_FORM_COMPILETIME \
5718 : IN_SOME_LOCALE_FORM_RUNTIME)
2de3dbcc 5719
6d62ead0
KW		 5720# define IN_LC_ALL_COMPILETIME IN_LOCALE_COMPILETIME
5721# define IN_LC_ALL_RUNTIME IN_LOCALE_RUNTIME
5722
5723# define IN_LC_PARTIAL_COMPILETIME cBOOL(PL_hints & HINT_LOCALE_PARTIAL)
5724# define IN_LC_PARTIAL_RUNTIME \
5725 cBOOL(CopHINTS_get(PL_curcop) & HINT_LOCALE_PARTIAL)
5726
5727# define IN_LC_COMPILETIME(category) \
5728 (IN_LC_ALL_COMPILETIME || (IN_LC_PARTIAL_COMPILETIME \
5729 && _is_in_locale_category(TRUE, (category))))
5730# define IN_LC_RUNTIME(category) \
5731 (IN_LC_ALL_RUNTIME || (IN_LC_PARTIAL_RUNTIME \
5732 && _is_in_locale_category(FALSE, (category))))
5733# define IN_LC(category) \
5734 (IN_LC_COMPILETIME(category) || IN_LC_RUNTIME(category))
d6ded950 5735
91191cf7
KW		 5736#else /* No locale usage */
5737# define IN_LOCALE_RUNTIME 0
5738# define IN_SOME_LOCALE_FORM_RUNTIME 0
5739# define IN_LOCALE_COMPILETIME 0
5740# define IN_SOME_LOCALE_FORM_COMPILETIME 0
5741# define IN_LOCALE 0
5742# define IN_SOME_LOCALE_FORM 0
5743# define IN_LC_ALL_COMPILETIME 0
5744# define IN_LC_ALL_RUNTIME 0
5745# define IN_LC_PARTIAL_COMPILETIME 0
5746# define IN_LC_PARTIAL_RUNTIME 0
5747# define IN_LC_COMPILETIME(category) 0
5748# define IN_LC_RUNTIME(category) 0
5749# define IN_LC(category) 0
5750#endif
5751
6bf09f55
KW		 5752#ifdef USE_LOCALE_NUMERIC
5753
8a11fac9
KW		 5754/* These macros are for toggling between the underlying locale (LOCAL) and the
5755 * C locale. */
5756
5757/* The first set makes sure that the locale is set to C unless within a 'use
5758 * locale's scope; otherwise to the default locale. A function pointer is
5759 * used, which can be declared separately by
5760 * DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED, followed by the actual
5761 * setting (using STORE_LC_NUMERIC_SET_TO_NEEDED()), or the two can be combined
5762 * into one call DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED().
5763 * RESTORE_LC_NUMERIC() in all cases restores the locale to what it was before
5764 * these were called */
5765
aaaeb297 5766#define _NOT_IN_NUMERIC_STANDARD (! PL_numeric_standard)
7738054c
KW		 5767
5768/* We can lock the category to stay in the C locale, making requests to the
5769 * contrary noops, in the dynamic scope by setting PL_numeric_standard to 2 */
5770#define _NOT_IN_NUMERIC_LOCAL (! PL_numeric_local && PL_numeric_standard < 2)
aaaeb297 5771
8a11fac9
KW		 5772#define DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED \
5773 void (*_restore_LC_NUMERIC_function)(pTHX) = NULL;
5774
5775#define STORE_LC_NUMERIC_SET_TO_NEEDED() \
d6ded950 5776 if (IN_LC(LC_NUMERIC)) { \
aaaeb297
KW		 5777 if (_NOT_IN_NUMERIC_LOCAL) { \
5778 set_numeric_local(); \
8a11fac9
KW		 5779 _restore_LC_NUMERIC_function = &Perl_set_numeric_standard; \
5780 } \
5781 } \
5782 else { \
aaaeb297 5783 if (_NOT_IN_NUMERIC_STANDARD) { \
8a11fac9
KW		 5784 SET_NUMERIC_STANDARD(); \
5785 _restore_LC_NUMERIC_function = &Perl_set_numeric_local; \
5786 } \
5787 }
5788
5789#define DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED() \
5790 DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED; \
5791 STORE_LC_NUMERIC_SET_TO_NEEDED();
5792
5793#define RESTORE_LC_NUMERIC() \
5794 if (_restore_LC_NUMERIC_function) { \
5795 _restore_LC_NUMERIC_function(aTHX); \
5796 }
5797
5798/* The next two macros set unconditionally. These should be rarely used, and
5799 * only after being sure that this is what is needed */
8d98ede7 5800#define SET_NUMERIC_STANDARD() \
aaaeb297 5801 STMT_START { if (_NOT_IN_NUMERIC_STANDARD) set_numeric_standard(); \
8d98ede7 5802 } STMT_END
87755cd9 5803
8d98ede7 5804#define SET_NUMERIC_LOCAL() \
aaaeb297
KW		 5805 STMT_START { if (_NOT_IN_NUMERIC_LOCAL) \
5806 set_numeric_local(); } STMT_END
87755cd9 5807
8a11fac9
KW		 5808/* The rest of these LC_NUMERIC macros toggle to one or the other state, with
5809 * the RESTORE_foo ones called to switch back, but only if need be */
aaaeb297
KW		 5810#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
5811 bool _was_local = _NOT_IN_NUMERIC_STANDARD; \
5812 if (_was_local) set_numeric_standard();
f93f4e46 5813
b34856cb
KW		 5814/* Doesn't change to underlying locale unless within the scope of some form of
5815 * 'use locale'. This is the usual desired behavior. */
aaaeb297
KW		 5816#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
5817 bool _was_standard = _NOT_IN_NUMERIC_LOCAL \
5818 && IN_LC(LC_NUMERIC); \
5819 if (_was_standard) set_numeric_local();
f93f4e46 5820
371d5d44
KW		 5821/* Rarely, we want to change to the underlying locale even outside of 'use
5822 * locale'. This is principally in the POSIX:: functions */
aaaeb297
KW		 5823#define STORE_NUMERIC_STANDARD_FORCE_LOCAL() \
5824 bool _was_standard = _NOT_IN_NUMERIC_LOCAL; \
5825 if (_was_standard) set_numeric_local();
371d5d44 5826
7738054c
KW		 5827/* Lock to the C locale until unlock is called */
5828#define LOCK_NUMERIC_STANDARD() \
5829 (__ASSERT_(PL_numeric_standard) \
5830 PL_numeric_standard = 2)
5831
5832#define UNLOCK_NUMERIC_STANDARD() \
5833 (__ASSERT_(PL_numeric_standard == 2) \
5834 PL_numeric_standard = 1)
5835
f93f4e46 5836#define RESTORE_NUMERIC_LOCAL() \
aaaeb297 5837 if (_was_local) set_numeric_local();
f93f4e46
CK		 5838
5839#define RESTORE_NUMERIC_STANDARD() \
aaaeb297 5840 if (_was_standard) SET_NUMERIC_STANDARD();
f93f4e46 5841
5b877257 5842#define Atof my_atof
097ee67d 5843
36477c24 5844#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5845
097ee67d
JH		 5846#define SET_NUMERIC_STANDARD() /**/
5847#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5848#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5849#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5850#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
8a11fac9 5851#define STORE_NUMERIC_STANDARD_FORCE_LOCAL()
097ee67d
JH		 5852#define RESTORE_NUMERIC_LOCAL() /**/
5853#define RESTORE_NUMERIC_STANDARD() /**/
8a11fac9
KW		 5854#define DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED
5855#define STORE_LC_NUMERIC_SET_TO_NEEDED()
5856#define DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED()
5857#define RESTORE_LC_NUMERIC()
130c5df3
KW		 5858#define LOCK_NUMERIC_STANDARD()
5859#define UNLOCK_NUMERIC_STANDARD()
8a11fac9 5860
2cdc7fd1 5861#define Atof my_atof
bbce6d69 5862
36477c24 5863#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5864
05b4a618
JH		 5865#ifdef USE_QUADMATH
5866# define Perl_strtod(s, e) strtoflt128(s, e)
5867#elif defined(HAS_LONG_DOUBLE) && defined(USE_LONG_DOUBLE)
f1b32d61
JH		 5868# if defined(HAS_STRTOLD)
5869# define Perl_strtod(s, e) strtold(s, e)
5870# elif defined(HAS_STRTOD)
5871# define Perl_strtod(s, e) (NV)strtod(s, e) /* Unavoidable loss. */
5872# endif
5873#elif defined(HAS_STRTOD)
5874# define Perl_strtod(s, e) strtod(s, e)
5875#endif
5876
85b76970
SH		 5877#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && \
5878 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
ec7b9793
JH		 5879# ifdef __hpux
5880# define strtoll __strtoll /* secret handshake */
5881# endif
c623ac67
GS		 5882# ifdef WIN64
5883# define strtoll _strtoi64 /* secret handshake */
5884# endif
079290de
GS		 5885# if !defined(Strtol) && defined(HAS_STRTOLL)
5886# define Strtol strtoll
ad551343 5887# endif
28e5dec8
JH		 5888# if !defined(Strtol) && defined(HAS_STRTOQ)
5889# define Strtol strtoq
5890# endif
ff935051 5891/* is there atoq() anywhere? */
15b99d39 5892#endif
079290de
GS		 5893#if !defined(Strtol) && defined(HAS_STRTOL)
5894# define Strtol strtol
5895#endif
5896#ifndef Atol
5897/* It would be more fashionable to use Strtol() to define atol()
5898 * (as is done for Atoul(), see below) but for backward compatibility
5899 * we just assume atol(). */
85b76970
SH		 5900# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && defined(HAS_ATOLL) && \
5901 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
c623ac67
GS		 5902# ifdef WIN64
5903# define atoll _atoi64 /* secret handshake */
5904# endif
76b882ba
JH		 5905# define Atol atoll
5906# else
5907# define Atol atol
5908# endif
cf2093f6
JH		 5909#endif
5910
85b76970
SH		 5911#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && \
5912 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
ec7b9793
JH		 5913# ifdef __hpux
5914# define strtoull __strtoull /* secret handshake */
5915# endif
c623ac67
GS		 5916# ifdef WIN64
5917# define strtoull _strtoui64 /* secret handshake */
5918# endif
ad551343 5919# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5920# define Strtoul strtoull
15b99d39 5921# endif
079290de
GS		 5922# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5923# define Strtoul strtouq
5924# endif
76d49b1c 5925/* is there atouq() anywhere? */
ad551343 5926#endif
079290de
GS		 5927#if !defined(Strtoul) && defined(HAS_STRTOUL)
5928# define Strtoul strtoul
cf2093f6 5929#endif
a5523c5b
JH		 5930#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5931# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5932#endif
079290de 5933#ifndef Atoul
d4c19fe8 5934# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5935#endif
cf2093f6 5936
a868473f
NIS		 5937#ifndef PERL_SCRIPT_MODE
5938#define PERL_SCRIPT_MODE "r"
5939#endif
5940
fba3b22e 5941/*
da927450
JH		 5942 * Some operating systems are stingy with stack allocation,
5943 * so perl may have to guard against stack overflow.
5944 */
5945#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5946#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5947#endif
5948
5949/*
5950 * Some nonpreemptive operating systems find it convenient to
5951 * check for asynchronous conditions after each op execution.
5952 * Keep this check simple, or it may slow down execution
5953 * massively.
5954 */
ce08f86c 5955
1d615522 5956#ifndef PERL_MICRO
4ffa73a3 5957# ifndef PERL_ASYNC_CHECK
5d9574c1 5958# define PERL_ASYNC_CHECK() if (UNLIKELY(PL_sig_pending)) PL_signalhook(aTHX)
4ffa73a3 5959# endif
ce08f86c
NIS		 5960#endif
5961
da927450 5962#ifndef PERL_ASYNC_CHECK
1d615522 5963# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5964#endif
5965
5966/*
5967 * On some operating systems, a memory allocation may succeed,
5968 * but put the process too close to the system's comfort limit.
5969 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5970 * it to NULL.
5971 */
5972#ifndef PERL_ALLOC_CHECK
c2af87cb 5973#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5974#endif
5975
bd89102f
AD		 5976#ifdef HAS_SEM
5977# include <sys/ipc.h>
5978# include <sys/sem.h>
5979# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5980 union semun {
dbba660d
TC		 5981 int val;
5982 struct semid_ds *buf;
5983 unsigned short *array;
bd89102f
AD		 5984 };
5985# endif
5986# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5987# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5988 union gccbug_semun {
5989 int val;
5990 struct semid_ds *buf;
5991 unsigned short *array;
5992 char __dummy[5];
5993 };
5994# define semun gccbug_semun
5995# endif
bd89102f
AD		 5996# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5997# else
5998# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5999# ifdef EXTRA_F_IN_SEMUN_BUF
6000# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
6001# else
6002# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
6003# endif
bd89102f
AD		 6004# endif
6005# endif
bd89102f 6006#endif
49f531da 6007
89ca4ac7
JH		 6008/*
6009 * Boilerplate macros for initializing and accessing interpreter-local
6010 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 6011 * this, if you want to make the extension thread-safe. See
6012 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
6013 * and perlxs.pod for more.
89ca4ac7
JH		 6014 *
6015 * Code that uses these macros is responsible for the following:
43a739c2
JH		 6016 * 1. #define MY_CXT_KEY to a unique string, e.g.
6017 * "DynaLoader::_guts" XS_VERSION
f16dd614 6018 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 6019 * 2. Declare a typedef named my_cxt_t that is a structure that contains
6020 * all the data that needs to be interpreter-local.
6021 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
6022 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
6023 * (typically put in the BOOT: section).
6024 * 5. Use the members of the my_cxt_t structure everywhere as
6025 * MY_CXT.member.
6026 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
6027 * access MY_CXT.
6028 */
6029
fc958cd2 6030#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 6031
4eddb856 6032/* START_MY_CXT must appear in all extensions that define a my_cxt_t structure,
53d44271
JH		 6033 * right after the definition (i.e. at file scope). The non-threads
6034 * case below uses it to declare the data as static. */
00ab59c9
DM		 6035# ifdef PERL_GLOBAL_STRUCT_PRIVATE
6036# define START_MY_CXT
6037# define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
6038# define MY_CXT_INIT_ARG MY_CXT_KEY
6039# else
6040# define START_MY_CXT static int my_cxt_index = -1;
6041# define MY_CXT_INDEX my_cxt_index
6042# define MY_CXT_INIT_ARG &my_cxt_index
6043# endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
53d44271
JH		 6044
6045/* Creates and zeroes the per-interpreter data.
6046 * (We allocate my_cxtp in a Perl SV so that it will be released when
6047 * the interpreter goes away.) */
00ab59c9 6048# define MY_CXT_INIT \
53d44271 6049 my_cxt_t *my_cxtp = \
9f6df31a
Z		 6050 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
6051 PERL_UNUSED_VAR(my_cxtp)
00ab59c9 6052# define MY_CXT_INIT_INTERP(my_perl) \
53d44271 6053 my_cxt_t *my_cxtp = \
9f6df31a
Z		 6054 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
6055 PERL_UNUSED_VAR(my_cxtp)
53d44271
JH		 6056
6057/* This declaration should be used within all functions that use the
6058 * interpreter-local data. */
00ab59c9 6059# define dMY_CXT \
53d44271 6060 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
00ab59c9 6061# define dMY_CXT_INTERP(my_perl) \
53d44271
JH		 6062 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
6063
6064/* Clones the per-interpreter data. */
00ab59c9 6065# define MY_CXT_CLONE \
53d44271
JH		 6066 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
6067 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
6068 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
6069
53d44271 6070
89ca4ac7 6071/* This macro must be used to access members of the my_cxt_t structure.
870598ae 6072 * e.g. MY_CXT.some_data */
00ab59c9 6073# define MY_CXT (*my_cxtp)
89ca4ac7
JH		 6074
6075/* Judicious use of these macros can reduce the number of times dMY_CXT
6076 * is used. Use is similar to pTHX, aTHX etc. */
00ab59c9
DM		 6077# define pMY_CXT my_cxt_t *my_cxtp
6078# define pMY_CXT_ pMY_CXT,
6079# define _pMY_CXT ,pMY_CXT
6080# define aMY_CXT my_cxtp
6081# define aMY_CXT_ aMY_CXT,
6082# define _aMY_CXT ,aMY_CXT
89ca4ac7 6083
f16dd614 6084#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7 6085
00ab59c9
DM		 6086# define START_MY_CXT static my_cxt_t my_cxt;
6087# define dMY_CXT_SV dNOOP
6088# define dMY_CXT dNOOP
6089# define dMY_CXT_INTERP(my_perl) dNOOP
6090# define MY_CXT_INIT NOOP
6091# define MY_CXT_CLONE NOOP
6092# define MY_CXT my_cxt
6093
6094# define pMY_CXT void
6095# define pMY_CXT_
6096# define _pMY_CXT
6097# define aMY_CXT
6098# define aMY_CXT_
6099# define _aMY_CXT
89ca4ac7 6100
f16dd614 6101#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 6102
9a34ef1d
GS		 6103#ifdef I_FCNTL
6104# include <fcntl.h>
9a34ef1d
GS		 6105#endif
6106
9cffb111
OS		 6107#ifdef __Lynx__
6108# include <fcntl.h>
6109#endif
6110
9a34ef1d
GS		 6111#ifdef I_SYS_FILE
6112# include <sys/file.h>
6113#endif
6114
fa0a29af 6115#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 6116int flock(int fd, int op);
6117#endif
6118
fe52b3b7
GS		 6119#ifndef O_RDONLY
6120/* Assume UNIX defaults */
6121# define O_RDONLY 0000
6122# define O_WRONLY 0001
6123# define O_RDWR 0002
6124# define O_CREAT 0100
6125#endif
9a34ef1d 6126
16fe6d59
GS		 6127#ifndef O_BINARY
6128# define O_BINARY 0
6129#endif
6130
6131#ifndef O_TEXT
6132# define O_TEXT 0
6133#endif
6134
6ce75a77 6135#if O_TEXT != O_BINARY
38d96942 6136 /* If you have different O_TEXT and O_BINARY and you are a CRLF shop,
6ce75a77 6137 * that is, you are somehow DOSish. */
b6c36746
NC		 6138# if defined(__HAIKU__) || defined(__VOS__) || defined(__CYGWIN__)
6139 /* Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
6140 * Haiku is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 6141 /* VOS has O_TEXT != O_BINARY, and they have effect,
6142 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 6143 /* If you have O_TEXT different from your O_BINARY but you still are
6144 * not a CRLF shop. */
35990314 6145# undef PERLIO_USING_CRLF
ec53fe4f
JH		 6146# else
6147 /* If you really are DOSish. */
6148# define PERLIO_USING_CRLF 1
6ce75a77
JH		 6149# endif
6150#endif
6151
4bc88a62
PS		 6152#ifdef I_LIBUTIL
6153# include <libutil.h> /* setproctitle() in some FreeBSDs */
6154#endif
6155
b4748376 6156#ifndef EXEC_ARGV_CAST
360ea906 6157#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 6158#endif
6159
dd5dc04f
JH		 6160#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
6161 int). value returned in pointed-
6162 to UV */
6163#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
6164#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
6165#define IS_NUMBER_NEG 0x08 /* leading minus sign */
6166#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 6167#define IS_NUMBER_NAN 0x20 /* this is not */
3f7602fa 6168#define IS_NUMBER_TRAILING 0x40 /* number has trailing trash */
dd5dc04f
JH		 6169
6170#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
6171
53305cf1
NC		 6172/* Input flags: */
6173#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 6174#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 6175#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
02470786
KW		 6176#define PERL_SCAN_SILENT_NON_PORTABLE 0x08 /* grok_??? not warn about very large
6177 numbers which are <= UV_MAX */
3f7602fa
TC		 6178#define PERL_SCAN_TRAILING 0x10 /* grok_number_flags() allow trailing
6179 and set IS_NUMBER_TRAILING */
6180
53305cf1
NC		 6181/* Output flags: */
6182#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
6183
2c4f7f0e
DM		 6184/* to let user control profiling */
6185#ifdef PERL_GPROF_CONTROL
6186extern void moncontrol(int);
6187#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
6188#else
6189#define PERL_GPROF_MONCONTROL(x)
6190#endif
6191
ae0e3d3b
JH		 6192#ifdef UNDER_CE
6193#include "wince.h"
6194#endif
6195
6196/* ISO 6429 NEL - C1 control NExt Line */
6197/* See http://www.unicode.org/unicode/reports/tr13/ */
ec34087a 6198#define NEXT_LINE_CHAR NEXT_LINE_NATIVE
ae0e3d3b
JH		 6199
6200/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
6201#define UNICODE_LINE_SEPA_0 0xE2
6202#define UNICODE_LINE_SEPA_1 0x80
6203#define UNICODE_LINE_SEPA_2 0xA8
6204#define UNICODE_PARA_SEPA_0 0xE2
6205#define UNICODE_PARA_SEPA_1 0x80
6206#define UNICODE_PARA_SEPA_2 0xA9
6207
479b2847
GS		 6208#ifndef PIPESOCK_MODE
6209# define PIPESOCK_MODE
6210#endif
6211
460c8493
IZ		 6212#ifndef SOCKET_OPEN_MODE
6213# define SOCKET_OPEN_MODE PIPESOCK_MODE
6214#endif
6215
6216#ifndef PIPE_OPEN_MODE
6217# define PIPE_OPEN_MODE PIPESOCK_MODE
6218#endif
6219
7e8c5dac
HS		 6220#define PERL_MAGIC_UTF8_CACHESIZE 2
6221
a05d7ebb
JH		 6222#define PERL_UNICODE_STDIN_FLAG 0x0001
6223#define PERL_UNICODE_STDOUT_FLAG 0x0002
6224#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 6225#define PERL_UNICODE_IN_FLAG 0x0008
6226#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 6227#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 6228#define PERL_UNICODE_LOCALE_FLAG 0x0040
6229#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 6230#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 6231
06e66572
JH		 6232#define PERL_UNICODE_STD_FLAG \
6233 (PERL_UNICODE_STDIN_FLAG | \
6234 PERL_UNICODE_STDOUT_FLAG | \
6235 PERL_UNICODE_STDERR_FLAG)
6236
6237#define PERL_UNICODE_INOUT_FLAG \
6238 (PERL_UNICODE_IN_FLAG | \
6239 PERL_UNICODE_OUT_FLAG)
6240
6241#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 6242 (PERL_UNICODE_STD_FLAG | \
6243 PERL_UNICODE_INOUT_FLAG | \
6244 PERL_UNICODE_LOCALE_FLAG)
6245
5a22a2bb 6246#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 6247
6248#define PERL_UNICODE_STDIN 'I'
6249#define PERL_UNICODE_STDOUT 'O'
6250#define PERL_UNICODE_STDERR 'E'
6251#define PERL_UNICODE_STD 'S'
6252#define PERL_UNICODE_IN 'i'
6253#define PERL_UNICODE_OUT 'o'
6254#define PERL_UNICODE_INOUT 'D'
6255#define PERL_UNICODE_ARGV 'A'
6256#define PERL_UNICODE_LOCALE 'L'
6257#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 6258#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 6259
4ffa73a3
JH		 6260#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
6261
32fdb065 6262/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 6263 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 6264#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
6265
3c0f78ca
JH		 6266#if defined(__DECC) && defined(__osf__)
6267#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 6268#endif
6269
e4dba786
NC		 6270#define do_open(g, n, l, a, rm, rp, sf) \
6271 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 6272#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 6273# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 6274#endif
15871fce
NC		 6275#ifdef OS2
6276# define do_aexec Perl_do_aexec
6277#else
6278# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 6279#endif
e4dba786 6280
c8028aa6
TC		 6281/* check embedded \0 characters in pathnames passed to syscalls,
6282 but allow one ending \0 */
41188aa0 6283#define IS_SAFE_SYSCALL(p, len, what, op_name) (S_is_safe_syscall(aTHX_ (p), (len), (what), (op_name)))
c8028aa6 6284
41188aa0 6285#define IS_SAFE_PATHNAME(p, len, op_name) IS_SAFE_SYSCALL((p), (len), "pathname", (op_name))
c8028aa6 6286
2f3efc97
JH		 6287#if defined(OEMVS)
6288#define NO_ENV_ARRAY_IN_MAIN
6289#endif
6290
00f254e2
KW		 6291/* These are used by Perl_pv_escape() and Perl_pv_pretty()
6292 * are here so that they are available throughout the core
10edeb5d
JH		 6293 * NOTE that even though some are for _escape and some for _pretty
6294 * there must not be any clashes as the flags from _pretty are
6295 * passed straight through to _escape.
6296 */
6297
6298#define PERL_PV_ESCAPE_QUOTE 0x0001
6299#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
6300
95b611b0 6301#define PERL_PV_PRETTY_ELLIPSES 0x0002
10edeb5d
JH		 6302#define PERL_PV_PRETTY_LTGT 0x0004
6303
6304#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
6305
00f254e2 6306#define PERL_PV_ESCAPE_UNI 0x0100
10edeb5d 6307#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
681f01c2 6308#define PERL_PV_ESCAPE_NONASCII 0x0400
10edeb5d
JH		 6309
6310#define PERL_PV_ESCAPE_ALL 0x1000
6311#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
6312#define PERL_PV_ESCAPE_NOCLEAR 0x4000
44a2ac75 6313#define PERL_PV_ESCAPE_RE 0x8000
10edeb5d 6314
0eb335df
BF		 6315#define PERL_PV_ESCAPE_DWIM 0x10000
6316
881a015e
NC		 6317#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
6318
10edeb5d 6319/* used by pv_display in dump.c*/
95b611b0 6320#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
c89df6cf 6321#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII
10edeb5d
JH		 6322
6323/*
6324
6325 (KEEP THIS LAST IN perl.h!)
6326
6327 Mention
d460ef45 6328
43999f95 6329 NV_PRESERVES_UV
fe749a9f 6330
fe749a9f
JH		 6331 HAS_MKSTEMP
6332 HAS_MKSTEMPS
6333 HAS_MKDTEMP
6334
49dabb45
JH		 6335 HAS_GETCWD
6336
d59b5429 6337 HAS_MMAP
fe749a9f
JH		 6338 HAS_MPROTECT
6339 HAS_MSYNC
1e8c3fde 6340 HAS_MADVISE
fe749a9f
JH		 6341 HAS_MUNMAP
6342 I_SYSMMAN
6343 Mmap_t
6344
6b4667fc
A		 6345 NVef
6346 NVff
6347 NVgf
6348
4e0554ec 6349 HAS_UALARM
2d736872 6350 HAS_USLEEP
4e0554ec
JH		 6351
6352 HAS_SETITIMER
6353 HAS_GETITIMER
6354
6355 HAS_SENDMSG
6356 HAS_RECVMSG
6357 HAS_READV
6358 HAS_WRITEV
6359 I_SYSUIO
6360 HAS_STRUCT_MSGHDR
6361 HAS_STRUCT_CMSGHDR
6362
2765b840 6363 HAS_NL_LANGINFO
0a7020c9 6364
ae0e3d3b 6365 HAS_DIRFD
2765b840 6366
10edeb5d 6367 so that Configure picks them up.
ab3bbdeb 6368
10edeb5d 6369 (KEEP THIS LAST IN perl.h!)
3df15adc 6370
10edeb5d 6371*/
3df15adc 6372
85e6fe83 6373#endif /* Include guard */
e9a8c099
MHM		 6374
6375/*
6376 * Local variables:
6377 * c-indentation-style: bsd
6378 * c-basic-offset: 4
14d04a33 6379 * indent-tabs-mode: nil
e9a8c099
MHM		 6380 * End:
6381 *
14d04a33 6382 * ex: set ts=8 sts=4 sw=4 et:
e9a8c099 6383 */
Unnamed repository; edit this file 'description' to name the repository.