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
C backtrace tweaks.
[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
2c2d71f5
JH		 31/* See L<perlguts/"The Perl API"> for detailed notes on
32 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
33
ac6bedea
JH		 34/* Note that from here --> to <-- the same logic is
35 * repeated in makedef.pl, so be certain to update
36 * both places when editing. */
37
6f4183fe 38#ifdef USE_ITHREADS
acfe0abc 39# if !defined(MULTIPLICITY)
6f4183fe
GS		 40# define MULTIPLICITY
41# endif
42#endif
43
27da23d5
JH		 44#ifdef PERL_GLOBAL_STRUCT_PRIVATE
45# ifndef PERL_GLOBAL_STRUCT
46# define PERL_GLOBAL_STRUCT
47# endif
48#endif
97aff369 49
27da23d5
JH		 50#ifdef PERL_GLOBAL_STRUCT
51# ifndef MULTIPLICITY
52# define MULTIPLICITY
53# endif
54#endif
55
97aff369
JH		 56#ifdef MULTIPLICITY
57# ifndef PERL_IMPLICIT_CONTEXT
58# define PERL_IMPLICIT_CONTEXT
59# endif
60#endif
61
026fd48b
GH		 62/* undef WIN32 when building on Cygwin (for libwin32) - gph */
63#ifdef __CYGWIN__
64# undef WIN32
65# undef _WIN32
66#endif
67
27da23d5
JH		 68#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
69# ifndef SYMBIAN
70# define SYMBIAN
71# endif
72#endif
73
a0fd4948 74#ifdef __SYMBIAN32__
27da23d5
JH		 75# include "symbian/symbian_proto.h"
76#endif
77
78/* Any stack-challenged places. The limit varies (and often
79 * is configurable), but using more than a kilobyte of stack
80 * is usually dubious in these systems. */
739a0b84
NC		 81#if defined(__SYMBIAN32__)
82/* Symbian: need to work around the SDK features. *
27da23d5
JH		 83 * On WINS: MS VC5 generates calls to _chkstk, *
84 * if a "large" stack frame is allocated. *
85 * gcc on MARM does not generate calls like these. */
86# define USE_HEAP_INSTEAD_OF_STACK
87#endif
88
dd134d2c 89/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 90/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 91#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 92# define USE_REENTRANT_API
93#endif
94
ac6bedea
JH		 95/* <--- here ends the logic shared by perl.h and makedef.pl */
96
9ea40801
SH		 97/* Microsoft Visual C++ 6.0 needs special treatment in numerous places */
98#if defined(WIN32) && defined(_MSC_VER) && _MSC_VER >= 1200 && _MSC_VER < 1300
99# define USING_MSVC6
100#endif
101
cf5a8da6
MHM		 102#undef START_EXTERN_C
103#undef END_EXTERN_C
104#undef EXTERN_C
105#ifdef __cplusplus
106# define START_EXTERN_C extern "C" {
107# define END_EXTERN_C }
108# define EXTERN_C extern "C"
109#else
110# define START_EXTERN_C
111# define END_EXTERN_C
112# define EXTERN_C extern
113#endif
114
17a6c8e3
AD		 115/* Fallback definitions in case we don't have definitions from config.h.
116 This should only matter for systems that don't use Configure and
117 haven't been modified to define PERL_STATIC_INLINE yet.
118*/
119#if !defined(PERL_STATIC_INLINE)
120# ifdef HAS_STATIC_INLINE
121# define PERL_STATIC_INLINE static inline
122# else
123# define PERL_STATIC_INLINE static
124# endif
125#endif
126
27da23d5
JH		 127#ifdef PERL_GLOBAL_STRUCT
128# ifndef PERL_GET_VARS
129# ifdef PERL_GLOBAL_STRUCT_PRIVATE
cf5a8da6 130 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
27da23d5
JH		 131# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
132# ifndef PERLIO_FUNCS_CONST
133# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
134# endif
135# else
136# define PERL_GET_VARS() PL_VarsPtr
137# endif
138# endif
139#endif
140
5aaab254 141#define pVAR struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH		 142
143#ifdef PERL_GLOBAL_STRUCT
144# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
145#else
146# define dVAR dNOOP
147#endif
148
c5be433b 149#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 150# ifndef MULTIPLICITY
151# define MULTIPLICITY
c5be433b 152# endif
e8dda941 153# define tTHX PerlInterpreter*
5aaab254 154# define pTHX tTHX my_perl PERL_UNUSED_DECL
3db8f154 155# define aTHX my_perl
9399a70c 156# define aTHXa(a) aTHX = (tTHX)a
27da23d5 157# ifdef PERL_GLOBAL_STRUCT
e8dda941 158# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 159# else
e8dda941 160# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH		 161# endif
162# ifdef PERL_GLOBAL_STRUCT
163# define dTHX dVAR; pTHX = PERL_GET_THX
164# else
165# define dTHX pTHX = PERL_GET_THX
166# endif
c5be433b 167# define pTHX_ pTHX,
c5be433b 168# define aTHX_ aTHX,
4373e329 169# define pTHX_1 2
894356b3
GS		 170# define pTHX_2 3
171# define pTHX_3 4
172# define pTHX_4 5
4373e329
AL		 173# define pTHX_5 6
174# define pTHX_6 7
a3b680e6
AL		 175# define pTHX_7 8
176# define pTHX_8 9
177# define pTHX_9 10
a6fc70e5 178# define pTHX_12 13
e8dda941
JD		 179# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
180# define PERL_TRACK_MEMPOOL
181# endif
182#else
183# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 184#endif
185
76e3520e 186#define STATIC static
16c91539
BM		 187
188#ifndef PERL_CORE
189/* Do not use these macros. They were part of PERL_OBJECT, which was an
190 * implementation of multiplicity using C++ objects. They have been left
191 * here solely for the sake of XS code which has incorrectly
192 * cargo-culted them.
193 */
76e3520e 194#define CPERLscope(x) x
565764a8 195#define CPERLarg void
76e3520e 196#define CPERLarg_
e3b8966e 197#define _CPERLarg
1d583055
GS		 198#define PERL_OBJECT_THIS
199#define _PERL_OBJECT_THIS
200#define PERL_OBJECT_THIS_
312caa8e 201#define CALL_FPTR(fptr) (*fptr)
ef69c8fc 202#define MEMBER_TO_FPTR(name) name
16c91539 203#endif /* !PERL_CORE */
76e3520e 204
16c91539 205#define CALLRUNOPS PL_runops
f9f4320a 206
3ab4a224 207#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 208
16c91539 209#define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
a340edde 210#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,sv,data,flags) \
16c91539 211 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
a340edde 212 (strbeg),(minend),(sv),(data),(flags))
52a21eb3
DM		 213#define CALLREG_INTUIT_START(prog,sv,strbeg,strpos,strend,flags,data) \
214 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strbeg), (strpos), \
f9f4320a
YO		 215 (strend),(flags),(data))
216#define CALLREG_INTUIT_STRING(prog) \
16c91539 217 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
f8149455 218
f8149455
YO		 219#define CALLREGFREE(prog) \
220 Perl_pregfree(aTHX_ (prog))
221
222#define CALLREGFREE_PVT(prog) \
16c91539 223 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
f8149455 224
2fdbfb4d 225#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
16c91539 226 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
93b32b6d 227
2fdbfb4d 228#define CALLREG_NUMBUF_STORE(rx,paren,value) \
16c91539 229 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
2fdbfb4d
AB		 230
231#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
16c91539 232 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
2fdbfb4d 233
192b9cd1 234#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
16c91539 235 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
192b9cd1
AB		 236
237#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
16c91539 238 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
192b9cd1
AB		 239
240#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
16c91539 241 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB		 242
243#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
16c91539 244 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB		 245
246#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
16c91539 247 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB		 248
249#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
16c91539 250 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB		 251
252#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
16c91539 253 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB		 254
255#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
16c91539 256 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
AB		 257
258#define CALLREG_NAMED_BUFF_COUNT(rx) \
16c91539 259 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
192b9cd1
AB		 260
261#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
16c91539 262 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 263
49d7dfbc 264#define CALLREG_PACKAGE(rx) \
16c91539 265 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
93b32b6d 266
00f254e2 267#if defined(USE_ITHREADS)
f9f4320a 268#define CALLREGDUPE(prog,param) \
f8149455
YO		 269 Perl_re_dup(aTHX_ (prog),(param))
270
271#define CALLREGDUPE_PVT(prog,param) \
16c91539 272 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
00f254e2 273 : (REGEXP *)NULL)
f9f4320a 274#endif
14dd3ad8 275
a20207d7 276
bcdf7404 277
a20207d7
YO		 278
279
5ba4cab2
SH		 280/*
281 * Because of backward compatibility reasons the PERL_UNUSED_DECL
282 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
283 *
284 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 285 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 286 * marking unused variables (they need e.g. a #pragma) and therefore
287 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
288 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
289 *
290 */
1266ad8c 291
9969cdde 292#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 293# ifdef __cplusplus
5ba4cab2 294# define PERL_UNUSED_DECL
5b2bd0a5 295# else
5ba4cab2 296# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 297# endif
298#endif
44dbb695 299
5b2bd0a5 300#ifndef PERL_UNUSED_DECL
34659ad4 301# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 302# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 303# else
5ba4cab2 304# define PERL_UNUSED_DECL
b79c357a 305# endif
5b2bd0a5 306#endif
00f254e2 307
349b520e
DM		 308/* gcc -Wall:
309 * for silencing unused variables that are actually used most of the time,
a0288114 310 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 311 */
53c1dcc0 312#ifndef PERL_UNUSED_ARG
c99ffe5e 313# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 314# include <note.h>
53c1dcc0 315# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 316# else
53c1dcc0 317# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 318# endif
319#endif
53c1dcc0
AL		 320#ifndef PERL_UNUSED_VAR
321# define PERL_UNUSED_VAR(x) ((void)x)
322#endif
ad73156c 323
96a5add6
AL		 324#ifdef USE_ITHREADS
325# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
326#else
327# define PERL_UNUSED_CONTEXT
328#endif
329
24e7ff4e
JH		 330/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
331 * g++ allows them but seems to have problems with them
332 * (insane errors ensue).
333 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
334 */
335#if defined(PERL_GCC_PEDANTIC) || \
336 (defined(__GNUC__) && defined(__cplusplus) && \
337 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
338# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
339# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
340# endif
341#endif
342
ffea512f 343/* Use PERL_UNUSED_RESULT() to suppress the warnings about unused results
b469f1e0
JH		 344 * of function calls, e.g. PERL_UNUSED_RESULT(foo(a, b)).
345 *
346 * The main reason for this is that the combination of gcc -Wunused-result
347 * (part of -Wall) and the __attribute__((warn_unused_result)) cannot
348 * be silenced with casting to void. This causes trouble when the system
349 * header files use the attribute.
350 *
351 * Use PERL_UNUSED_RESULT sparingly, though, since usually the warning
352 * is there for a good reason: you might lose success/failure information,
353 * or leak resources, or changes in resources.
ffea512f
JH		 354 *
355 * But sometimes you just want to ignore the return value, e.g. on
b469f1e0
JH		 356 * codepaths soon ending up in abort, or in "best effort" attempts,
357 * or in situations where there is no good way to handle failures.
ffea512f 358 *
b469f1e0
JH		 359 * Sometimes PERL_UNUSED_RESULT might not be the most natural way:
360 * another possibility is that you can capture the return value
361 * and use PERL_UNUSED_VAR on that.
ffea512f 362 *
b469f1e0
JH		 363 * The __typeof__() is used instead of typeof() since typeof() is not
364 * available under strict C89, and because of compilers masquerading
365 * as gcc (clang and icc), we want exactly the gcc extension
366 * __typeof__ and nothing else.
ffea512f
JH		 367 */
368#ifndef PERL_UNUSED_RESULT
b469f1e0
JH		 369# if defined(__GNUC__) && defined(HASATTRIBUTE_WARN_UNUSED_RESULT)
370# define PERL_UNUSED_RESULT(v) STMT_START { __typeof__(v) z = (v); (void)sizeof(z); } STMT_END
ffea512f
JH		 371# else
372# define PERL_UNUSED_RESULT(v) ((void)(v))
373# endif
374#endif
375
b56aac20
DM		 376/* on gcc (and clang), specify that a warning should be temporarily
377 * ignored; e.g.
378 *
379 * GCC_DIAG_IGNORE(-Wmultichar);
380 * char b = 'ab';
381 * GCC_DIAG_RESTORE;
382 *
383 * based on http://dbp-consulting.com/tutorials/SuppressingGCCWarnings.html
384 *
385 * Note that "pragma GCC diagnostic push/pop" was added in GCC 4.6, Mar 2011;
386 * clang only pretends to be GCC 4.2, but still supports push/pop.
387 */
388
389#if defined(__clang) || \
d28ce8b4 390 (defined( __GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406)
b56aac20
DM		 391# define GCC_DIAG_DO_PRAGMA_(x) _Pragma (#x)
392
393# define GCC_DIAG_IGNORE(x) _Pragma("GCC diagnostic push") \
394 GCC_DIAG_DO_PRAGMA_(GCC diagnostic ignored #x)
395# define GCC_DIAG_RESTORE _Pragma("GCC diagnostic pop")
396#else
397# define GCC_DIAG_IGNORE(w)
398# define GCC_DIAG_RESTORE
399#endif
400
401
6f207bd3 402#define NOOP /*EMPTY*/(void)0
bafdc25d
NC		 403/* cea2e8a9dd23747f accidentally lost the comment originally from the first
404 check in of thread.h, explaining why we need dNOOP at all: */
405/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
406/* Declaring a *function*, instead of a variable, ensures that we don't rely
407 on being able to suppress "unused" warnings. */
7db66e12
CB		 408#ifdef __cplusplus
409#define dNOOP (void)0
410#else
64a8239e 411#define dNOOP extern int Perl___notused(void)
7db66e12 412#endif
71be2cbc 413
0cb96387 414#ifndef pTHX
a78adc84 415/* Don't bother defining tTHX ; using it outside
e8dda941
JD		 416 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
417 */
0cb96387
GS		 418# define pTHX void
419# define pTHX_
0cb96387
GS		 420# define aTHX
421# define aTHX_
9399a70c 422# define aTHXa(a) NOOP
0cb96387
GS		 423# define dTHXa(a) dNOOP
424# define dTHX dNOOP
894356b3
GS		 425# define pTHX_1 1
426# define pTHX_2 2
427# define pTHX_3 3
428# define pTHX_4 4
3d42dc86
RGS		 429# define pTHX_5 5
430# define pTHX_6 6
a3b680e6
AL		 431# define pTHX_7 7
432# define pTHX_8 8
433# define pTHX_9 9
a6fc70e5 434# define pTHX_12 12
0cb96387
GS		 435#endif
436
27da23d5
JH		 437#ifndef dVAR
438# define dVAR dNOOP
439#endif
440
b4f7f263
GS		 441/* these are only defined for compatibility; should not be used internally */
442#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 443# define pTHXo pTHX
444# define pTHXo_ pTHX_
0cb96387
GS		 445# define aTHXo aTHX
446# define aTHXo_ aTHX_
c5be433b 447# define dTHXo dTHX
71d280e3 448# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 449#endif
450
451#ifndef pTHXx
5aaab254 452# define pTHXx PerlInterpreter *my_perl
0cb96387 453# define pTHXx_ pTHXx,
0cb96387
GS		 454# define aTHXx my_perl
455# define aTHXx_ aTHXx,
c5be433b 456# define dTHXx dTHX
22c35a8c 457#endif
71be2cbc 458
1de7c2ac
GS		 459/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
460 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
461 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
462#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 463# ifdef PERL_GLOBAL_STRUCT_PRIVATE
464# define dTHXs dVAR; dTHX
465# else
466# define dTHXs dTHX
467# endif
1de7c2ac 468#else
27da23d5
JH		 469# ifdef PERL_GLOBAL_STRUCT_PRIVATE
470# define dTHXs dVAR
471# else
472# define dTHXs dNOOP
473# endif
1de7c2ac
GS		 474#endif
475
27da23d5
JH		 476/* Some platforms require marking function declarations
477 * for them to be exportable. Used in perlio.h, proto.h
478 * is handled either by the makedef.pl or by defining the
479 * PERL_CALLCONV to be something special. See also the
480 * definition of XS() in XSUB.h. */
481#ifndef PERL_EXPORT_C
a0c21aa1
JH		 482# ifdef __cplusplus
483# define PERL_EXPORT_C extern "C"
484# else
485# define PERL_EXPORT_C extern
486# endif
27da23d5
JH		 487#endif
488#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 489# ifdef __cplusplus
490# define PERL_XS_EXPORT_C extern "C"
491# else
492# define PERL_XS_EXPORT_C
493# endif
27da23d5
JH		 494#endif
495
5b692037
JH		 496#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
497# ifndef PERL_USE_GCC_BRACE_GROUPS
498# define PERL_USE_GCC_BRACE_GROUPS
499# endif
500#endif
501
728e2803 502/*
503 * STMT_START { statements; } STMT_END;
504 * can be used as a single statement, as in
505 * if (x) STMT_START { ... } STMT_END; else ...
506 *
507 * Trying to select a version that gives no warnings...
508 */
509#if !(defined(STMT_START) && defined(STMT_END))
5b692037 510# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 511# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 512# define STMT_END )
513# else
728e2803 514# define STMT_START do
515# define STMT_END while (0)
728e2803 516# endif
517#endif
518
d6f9c181
JH		 519#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
520# define BYTEORDER 0x1234
79072805
LW		 521#endif
522
523/* Overall memory policy? */
524#ifndef CONSERVATIVE
525# define LIBERAL 1
526#endif
527
8ada0baa
JH		 528#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
529#define ASCIIish
530#else
531#undef ASCIIish
532#endif
533
79072805
LW		 534/*
535 * The following contortions are brought to you on behalf of all the
536 * standards, semi-standards, de facto standards, not-so-de-facto standards
537 * of the world, as well as all the other botches anyone ever thought of.
538 * The basic theory is that if we work hard enough here, the rest of the
539 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
540 */
ac58e20f 541
ee0007ab 542/* define this once if either system, instead of cluttering up the src */
7c458fae 543#if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 544#define DOSISH 1
545#endif
546
739a0b84 547#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 548# define STANDARD_C 1
549#endif
550
8d87852b 551#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 552# define DONT_DECLARE_STD 1
553#endif
554
352d5a3a 555#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 556# define VOL volatile
663a0e37 557#else
79072805 558# define VOL
663a0e37
LW		 559#endif
560
284167a5
S		 561/* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
562 * you get a perl without taint support, but doubtlessly with a lesser
563 * degree of support. Do not do so unless you know exactly what it means
564 * technically, have a good reason to do so, and know exactly how the
565 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
566 * a potential security risk due to flat out ignoring the security-relevant
567 * taint flags. This being said, a perl without taint support compiled in
568 * has marginal run-time performance benefits.
569 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
570 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
571 * silently ignores -t/-T instead of throwing an exception.
053a3618
S		 572 *
573 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
6ecb40c7 574 * voids your nonexistent warranty!
284167a5 575 */
dc6d7f5c 576#if defined(SILENT_NO_TAINT_SUPPORT) && !defined(NO_TAINT_SUPPORT)
284167a5
S		 577# define NO_TAINT_SUPPORT 1
578#endif
579
580/* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
581 * operations into no-ops for a very modest speed-up. Enable only if you
582 * know what you're doing: tests and CPAN modules' tests are bound to fail.
583 */
dc6d7f5c 584#ifdef NO_TAINT_SUPPORT
284167a5
S		 585# define TAINT NOOP
586# define TAINT_NOT NOOP
587# define TAINT_IF(c) NOOP
588# define TAINT_ENV() NOOP
589# define TAINT_PROPER(s) NOOP
590# define TAINT_set(s) NOOP
591# define TAINT_get 0
592# define TAINTING_get 0
593# define TAINTING_set(s) NOOP
594# define TAINT_WARN_get 0
595# define TAINT_WARN_set(s) NOOP
596#else
597# define TAINT (PL_tainted = TRUE)
598# define TAINT_NOT (PL_tainted = FALSE)
2439e033
S		 599# define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = TRUE; }
600# define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); }
601# define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); }
284167a5
S		 602# define TAINT_set(s) (PL_tainted = (s))
603# define TAINT_get (PL_tainted)
604# define TAINTING_get (PL_tainting)
605# define TAINTING_set(s) (PL_tainting = (s))
606# define TAINT_WARN_get (PL_taint_warn)
607# define TAINT_WARN_set(s) (PL_taint_warn = (s))
608#endif
a687059c 609
20be6587
DM		 610/* flags used internally only within pp_subst and pp_substcont */
611#ifdef PERL_CORE
612# define SUBST_TAINT_STR 1 /* string tainted */
613# define SUBST_TAINT_PAT 2 /* pattern tainted */
614# define SUBST_TAINT_REPL 4 /* replacement tainted */
615# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
616# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
617#endif
618
d460ef45 619/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 620 defines move there? If so, I could simplify this a lot. --AD 9/96.
621*/
622/* Process group stuff changed from traditional BSD to POSIX.
623 perlfunc.pod documents the traditional BSD-style syntax, so we'll
624 try to preserve that, if possible.
625*/
626#ifdef HAS_SETPGID
627# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 628#else
a6e633de 629# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
630# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
631# else
632# ifdef HAS_SETPGRP2 /* DG/UX */
633# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
634# endif
635# endif
636#endif
637#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
638# define HAS_SETPGRP /* Well, effectively it does . . . */
639#endif
640
641/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
642 our life easier :-) so we'll try it.
643*/
644#ifdef HAS_GETPGID
645# define BSD_GETPGRP(pid) getpgid((pid))
646#else
647# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
648# define BSD_GETPGRP(pid) getpgrp((pid))
649# else
650# ifdef HAS_GETPGRP2 /* DG/UX */
651# define BSD_GETPGRP(pid) getpgrp2((pid))
652# endif
653# endif
654#endif
655#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
656# define HAS_GETPGRP /* Well, effectively it does . . . */
657#endif
658
d460ef45 659/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 660 have different behaviors, but perl.h used to define USE_BSDPGRP
661 (prior to 5.003_05) so some extension might depend on it.
662*/
663#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
664# ifndef USE_BSDPGRP
665# define USE_BSDPGRP
666# endif
663a0e37
LW		 667#endif
668
486ec47a 669/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH		 670 pthread.h must be included before all other header files.
671*/
3db8f154 672#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 673# include <pthread.h>
674#endif
675
58ab9e8b 676#include <sys/types.h>
663a0e37 677
760ac839
LW		 678#ifdef __cplusplus
679# ifndef I_STDARG
680# define I_STDARG 1
681# endif
682#endif
683
684#ifdef I_STDARG
685# include <stdarg.h>
686#else
687# ifdef I_VARARGS
688# include <varargs.h>
689# endif
690#endif
691
fe14fcc3 692#include <ctype.h>
a0d0e21e
LW		 693
694#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
695#undef METHOD
a0d0e21e
LW		 696#endif
697
12ae5dfc
JH		 698#ifdef PERL_MICRO
699# define NO_LOCALE
700#endif
701
4633a7c4 702#ifdef I_LOCALE
36477c24 703# include <locale.h>
4633a7c4
LW		 704#endif
705
36477c24 706#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
707# define USE_LOCALE
ccd65d51
KW		 708# define HAS_SKIP_LOCALE_INIT /* Solely for XS code to test for this
709 capability */
36477c24 710# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
711 && defined(HAS_STRXFRM)
712# define USE_LOCALE_COLLATE
713# endif
714# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
715# define USE_LOCALE_CTYPE
716# endif
717# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
718# define USE_LOCALE_NUMERIC
719# endif
fa9b773e
KW		 720# if !defined(NO_LOCALE_MESSAGES) && defined(LC_MESSAGES)
721# define USE_LOCALE_MESSAGES
722# endif
723# if !defined(NO_LOCALE_MONETARY) && defined(LC_MONETARY)
724# define USE_LOCALE_MONETARY
725# endif
b385bb4d
KW		 726# ifndef WIN32 /* No wrapper except on Windows */
727# define my_setlocale(a,b) setlocale(a,b)
728# endif
36477c24 729#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 730
fe14fcc3 731#include <setjmp.h>
79072805 732
a0d0e21e 733#ifdef I_SYS_PARAM
79072805
LW		 734# ifdef PARAM_NEEDS_TYPES
735# include <sys/types.h>
736# endif
737# include <sys/param.h>
352d5a3a 738#endif
79072805 739
ce3470dc
AD		 740/* On BSD-derived systems, <sys/param.h> defines BSD to a year-month
741 value something like 199306. This may be useful if no more-specific
742 feature test is available.
743*/
744#if defined(BSD)
745# ifndef BSDish
746# define BSDish
747# endif
748#endif
749
79072805 750/* Use all the "standard" definitions? */
a0d0e21e 751#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 752# include <stdlib.h>
ff68c719 753#endif
03a14243 754
3f270f98
JH		 755/* If this causes problems, set i_unistd=undef in the hint file. */
756#ifdef I_UNISTD
757# include <unistd.h>
758#endif
759
de8ca8af
NT		 760/* for WCOREDUMP */
761#ifdef I_SYS_WAIT
762# include <sys/wait.h>
763#endif
764
9969cdde 765#ifdef __SYMBIAN32__
27da23d5
JH		 766# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
767#endif
768
21e89b5f 769#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO)
c45598c5 770EXTERN_C int syscall(int, ...);
2ef53570
JH		 771#endif
772
21e89b5f 773#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO)
c45598c5 774EXTERN_C int usleep(unsigned int);
2ef53570
JH		 775#endif
776
1109a392
MHM		 777#ifdef PERL_CORE
778
779/* macros for correct constant construction */
780# if INTSIZE >= 2
781# define U16_CONST(x) ((U16)x##U)
782# else
783# define U16_CONST(x) ((U16)x##UL)
784# endif
785
786# if INTSIZE >= 4
787# define U32_CONST(x) ((U32)x##U)
788# else
789# define U32_CONST(x) ((U32)x##UL)
790# endif
791
792# ifdef HAS_QUAD
793# if INTSIZE >= 8
794# define U64_CONST(x) ((U64)x##U)
795# elif LONGSIZE >= 8
796# define U64_CONST(x) ((U64)x##UL)
797# elif QUADKIND == QUAD_IS_LONG_LONG
798# define U64_CONST(x) ((U64)x##ULL)
52865553
SH		 799# elif QUADKIND == QUAD_IS___INT64
800# define U64_CONST(x) ((U64)x##UI64)
1109a392
MHM		 801# else /* best guess we can make */
802# define U64_CONST(x) ((U64)x##UL)
803# endif
804# endif
805
806/* byte-swapping functions for big-/little-endian conversion */
807# define _swab_16_(x) ((U16)( \
808 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
809 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
810
811# define _swab_32_(x) ((U32)( \
812 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
813 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
814 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
815 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
816
817# ifdef HAS_QUAD
818# define _swab_64_(x) ((U64)( \
819 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
820 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
821 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
822 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
823 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
824 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
825 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
826 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
827# endif
828
9c17f24a
NC		 829/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
830 at least on FreeBSD. YMMV, so experiment. */
831#ifndef PERL_ARENA_SIZE
832#define PERL_ARENA_SIZE 4080
833#endif
834
ccb2c8b8 835/* Maximum level of recursion */
2b9dff67
RGS		 836#ifndef PERL_SUB_DEPTH_WARN
837#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 838#endif
839
1109a392
MHM		 840#endif /* PERL_CORE */
841
bdf3085f
NC		 842/* We no longer default to creating a new SV for GvSV.
843 Do this before embed. */
844#ifndef PERL_CREATE_GVSV
7459f06b
NC		 845# ifndef PERL_DONT_CREATE_GVSV
846# define PERL_DONT_CREATE_GVSV
847# endif
bdf3085f
NC		 848#endif
849
ca0c25f6
NC		 850#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
851#define PERL_USES_PL_PIDSTATUS
852#endif
853
739a0b84 854#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
a62746fa
RGS		 855#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
856#endif
857
c31fac66
GS		 858#define MEM_SIZE Size_t
859
1936d2a7
NC		 860/* Round all values passed to malloc up, by default to a multiple of
861 sizeof(size_t)
862*/
863#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
864#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
865#endif
866
f1200559
WH		 867/* sv_grow() will expand strings by at least a certain percentage of
868 the previously *used* length to avoid excessive calls to realloc().
869 The default is 25% of the current length.
870*/
871#ifndef PERL_STRLEN_EXPAND_SHIFT
872# define PERL_STRLEN_EXPAND_SHIFT 2
873#endif
874
3800c318 875#if defined(STANDARD_C) && defined(I_STDDEF) && !defined(PERL_GCC_PEDANTIC)
51371543
GS		 876# include <stddef.h>
877# define STRUCT_OFFSET(s,m) offsetof(s,m)
878#else
879# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
880#endif
881
9969cdde 882#ifndef __SYMBIAN32__
27da23d5
JH		 883# if defined(I_STRING) || defined(__cplusplus)
884# include <string.h>
885# else
886# include <strings.h>
887# endif
51371543
GS		 888#endif
889
55497cff 890/* This comes after <stdlib.h> so we don't try to change the standard
891 * library prototypes; we'll use our own in proto.h instead. */
03a14243 892
4633a7c4 893#ifdef MYMALLOC
86058a2d 894# ifdef PERL_POLLUTE_MALLOC
ee13e175 895# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 896# define Perl_malloc malloc
897# define Perl_calloc calloc
898# define Perl_realloc realloc
899# define Perl_mfree free
ee13e175 900# endif
86058a2d
GS		 901# else
902# define EMBEDMYMALLOC /* for compatibility */
903# endif
827e134a 904
651b9576
GS		 905# define safemalloc Perl_malloc
906# define safecalloc Perl_calloc
907# define saferealloc Perl_realloc
908# define safefree Perl_mfree
22f7c9c9
JH		 909# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
910 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
911 code; \
912 } STMT_END
913# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
914 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
915# define panic_write2(s) write(2, s, strlen(s))
916# define CHECK_MALLOC_TAINT(newval) \
917 CHECK_MALLOC_TOO_LATE_FOR_( \
918 if (newval) { \
919 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
920 exit(1); })
22f7c9c9 921# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 922 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 923 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
924 }} STMT_END;
f2517201
GS		 925#else /* MYMALLOC */
926# define safemalloc safesysmalloc
927# define safecalloc safesyscalloc
928# define saferealloc safesysrealloc
929# define safefree safesysfree
22f7c9c9
JH		 930# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
931# define CHECK_MALLOC_TAINT(newval) ((void)0)
932# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 933#endif /* MYMALLOC */
4633a7c4 934
fe13d51d 935/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 936#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		 937#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
938#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
939#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
940
a0d0e21e
LW		 941#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
942#define strchr index
943#define strrchr rindex
944#endif
945
16d20bd9
AD		 946#ifdef I_MEMORY
947# include <memory.h>
948#endif
949
fe14fcc3 950#ifdef HAS_MEMCPY
85e6fe83 951# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 952# ifndef memcpy
20ce7b12 953 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 954# endif
955# endif
956#else
957# ifndef memcpy
958# ifdef HAS_BCOPY
959# define memcpy(d,s,l) bcopy(s,d,l)
960# else
961# define memcpy(d,s,l) my_bcopy(s,d,l)
962# endif
963# endif
964#endif /* HAS_MEMCPY */
fe14fcc3 965
ee0007ab 966#ifdef HAS_MEMSET
85e6fe83 967# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 968# ifndef memset
20ce7b12 969 extern char *memset (char*, int, int);
ee0007ab
LW		 970# endif
971# endif
ee0007ab 972#else
12ae5dfc 973# undef memset
fc36a67e 974# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 975#endif /* HAS_MEMSET */
976
85e6fe83 977#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 978# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 979# define memmove(d,s,l) bcopy(s,d,l)
980# else
2304df62 981# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 982# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 983# else
79072805 984# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 985# endif
352d5a3a 986# endif
d9d8d8de 987#endif
ee0007ab 988
36477c24 989#if defined(mips) && defined(ultrix) && !defined(__STDC__)
990# undef HAS_MEMCMP
991#endif
992
993#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 994# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 995# ifndef memcmp
20ce7b12 996 extern int memcmp (char*, char*, int);
ee0007ab
LW		 997# endif
998# endif
999#else
1000# ifndef memcmp
ecfc5424 1001# define memcmp my_memcmp
352d5a3a 1002# endif
36477c24 1003#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1004
fc36a67e 1005#ifndef memzero
c635e13b 1006# ifdef HAS_MEMSET
1007# define memzero(d,l) memset(d,0,l)
79072805 1008# else
c635e13b 1009# ifdef HAS_BZERO
1010# define memzero(d,l) bzero(d,l)
79072805 1011# else
fc36a67e 1012# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1013# endif
1014# endif
d9d8d8de 1015#endif
378cc40b 1016
2f42fcb0 1017#ifndef PERL_MICRO
0f27ced1
JH		 1018#ifndef memchr
1019# ifndef HAS_MEMCHR
1020# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1021# endif
1022#endif
2f42fcb0 1023#endif
0f27ced1 1024
36477c24 1025#ifndef HAS_BCMP
1026# ifndef bcmp
1027# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1028# endif
36477c24 1029#endif /* !HAS_BCMP */
378cc40b 1030
ae986130 1031#ifdef I_NETINET_IN
79072805 1032# include <netinet/in.h>
ae986130
LW		 1033#endif
1034
28e8609d
JH		 1035#ifdef I_ARPA_INET
1036# include <arpa/inet.h>
1037#endif
1038
1aef975c 1039#ifdef I_SYS_STAT
84902520 1040# include <sys/stat.h>
1aef975c 1041#endif
79072805 1042
287a962e
JD		 1043/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1044 This definition should ideally go into win32/win32.h, but S_IFIFO is
1045 used later here in perl.h before win32/win32.h is being included. */
1046#if !defined(S_IFIFO) && defined(_S_IFIFO)
1047# define S_IFIFO _S_IFIFO
1048#endif
1049
cc3315ba 1050/* The stat macros for Unisoft System V/88 (and derivatives
a0d0e21e
LW		 1051 like UTekV) are broken, sometimes giving false positives. Undefine
1052 them here and let the code below set them to proper values.
1053
1054 The ghs macro stands for GreenHills Software C-1.8.5 which
1055 is the C compiler for sysV88 and the various derivatives.
1056 This header file bug is corrected in gcc-2.5.8 and later versions.
1057 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1058
cc3315ba 1059#if defined(m88k) && defined(ghs)
79072805
LW		 1060# undef S_ISDIR
1061# undef S_ISCHR
1062# undef S_ISBLK
1063# undef S_ISREG
1064# undef S_ISFIFO
1065# undef S_ISLNK
ee0007ab 1066#endif
135863df 1067
663a0e37
LW		 1068#ifdef I_TIME
1069# include <time.h>
ffed7fef 1070#endif
663a0e37 1071
fe14fcc3 1072#ifdef I_SYS_TIME
85e6fe83 1073# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1074# define KERNEL
1075# endif
1076# include <sys/time.h>
85e6fe83 1077# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1078# undef KERNEL
1079# endif
a687059c 1080#endif
135863df 1081
55497cff 1082#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1083# include <sys/times.h>
d9d8d8de 1084#endif
8d063cd8 1085
fe14fcc3 1086#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1087# undef HAS_STRERROR
663a0e37
LW		 1088#endif
1089
1090#include <errno.h>
1e743fda 1091
acfe0abc 1092#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1093# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1094#endif
1095
8cfab5ff 1096/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1097 * This is important for using IPv6.
8cfab5ff
JH		 1098 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1099 * a bad idea since it breaks send() and recv(). */
1100#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1101# define _SOCKADDR_LEN
1102#endif
1103
da70cfc6 1104#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH		 1105# include <sys/socket.h>
1106# if defined(USE_SOCKS) && defined(I_SOCKS)
1107# if !defined(INCLUDE_PROTOTYPES)
1108# define INCLUDE_PROTOTYPES /* for <socks.h> */
1109# define PERL_SOCKS_NEED_PROTOTYPES
1110# endif
1111# include <socks.h>
1112# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1113# undef INCLUDE_PROTOTYPES
1114# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1115# endif
d460ef45 1116# endif
1e743fda 1117# ifdef I_NETDB
2986a63f
JH		 1118# ifdef NETWARE
1119# include<stdio.h>
1120# endif
1e743fda
JH		 1121# include <netdb.h>
1122# endif
1123# ifndef ENOTSOCK
1124# ifdef I_NET_ERRNO
1125# include <net/errno.h>
1126# endif
1127# endif
1128#endif
1129
fa0a29af 1130/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1131 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1132 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1133#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1134# if defined(__THROW) && defined(__GLIBC__)
1135int sockatmark(int) __THROW;
1136# else
2ef53570 1137int sockatmark(int);
29820b6d 1138# endif
2ef53570
JH		 1139#endif
1140
7e827271 1141#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		 1142EXTERN_C int fchdir(int);
1143EXTERN_C int flock(int, int);
1144EXTERN_C int fseeko(FILE *, off_t, int);
1145EXTERN_C off_t ftello(FILE *);
1146#endif
1147
7e827271 1148#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1149EXTERN_C char *crypt(const char *, const char *);
7e827271 1150EXTERN_C char **environ;
1ccb7c8d
JH		 1151#endif
1152
83a6ff2e 1153#if defined(__cplusplus)
ce3470dc 1154# if defined(BSDish)
b91fbb93 1155EXTERN_C char **environ;
83a6ff2e 1156# elif defined(__CYGWIN__)
667e2948
SP		 1157EXTERN_C char *crypt(const char *, const char *);
1158#endif
83a6ff2e 1159#endif
667e2948 1160
1e743fda
JH		 1161#ifdef SETERRNO
1162# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1163#endif
f86702cc 1164
1165#ifdef VMS
1166# define SETERRNO(errcode,vmserrcode) \
1167 STMT_START { \
1168 set_errno(errcode); \
1169 set_vaxc_errno(vmserrcode); \
1170 } STMT_END
4ee39169
CS		 1171# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1172# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1173# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1174# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1175
93189314
JH		 1176# define LIB_INVARG LIB$_INVARG
1177# define RMS_DIR RMS$_DIR
1178# define RMS_FAC RMS$_FAC
1179# define RMS_FEX RMS$_FEX
1180# define RMS_FNF RMS$_FNF
1181# define RMS_IFI RMS$_IFI
1182# define RMS_ISI RMS$_ISI
1183# define RMS_PRV RMS$_PRV
1184# define SS_ACCVIO SS$_ACCVIO
1185# define SS_DEVOFFLINE SS$_DEVOFFLINE
1186# define SS_IVCHAN SS$_IVCHAN
1187# define SS_NORMAL SS$_NORMAL
8a9f18be 1188# define SS_NOPRIV SS$_NOPRIV
748a9306 1189#else
93189314
JH		 1190# define LIB_INVARG 0
1191# define RMS_DIR 0
1192# define RMS_FAC 0
1193# define RMS_FEX 0
1194# define RMS_FNF 0
1195# define RMS_IFI 0
1196# define RMS_ISI 0
1197# define RMS_PRV 0
1198# define SS_ACCVIO 0
1199# define SS_DEVOFFLINE 0
1200# define SS_IVCHAN 0
1201# define SS_NORMAL 0
8a9f18be 1202# define SS_NOPRIV 0
748a9306 1203#endif
ed6116ce 1204
6ca940a9
TC		 1205#ifdef WIN32
1206# define dSAVEDERRNO int saved_errno; DWORD saved_win32_errno
1207# define dSAVE_ERRNO int saved_errno = errno; DWORD saved_win32_errno = GetLastError()
1208# define SAVE_ERRNO ( saved_errno = errno, saved_win32_errno = GetLastError() )
1209# define RESTORE_ERRNO ( errno = saved_errno, SetLastError(saved_win32_errno) )
1210#endif
1211
1212#ifdef OS2
1213# define dSAVEDERRNO int saved_errno; unsigned long saved_os2_errno
1214# define dSAVE_ERRNO int saved_errno = errno; unsigned long saved_os2_errno = Perl_rc
1215# define SAVE_ERRNO ( saved_errno = errno, saved_os2_errno = Perl_rc )
1216# define RESTORE_ERRNO ( errno = saved_errno, Perl_rc = saved_os2_errno )
1217#endif
1218
1219#ifndef SETERRNO
1220# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
1221#endif
1222
1223#ifndef dSAVEDERRNO
1224# define dSAVEDERRNO int saved_errno
1225# define dSAVE_ERRNO int saved_errno = errno
1226# define SAVE_ERRNO (saved_errno = errno)
1227# define RESTORE_ERRNO (errno = saved_errno)
1228#endif
1229
f5fa9033 1230#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC		 1231
1232#define CLEAR_ERRSV() STMT_START { \
1233 if (!GvSV(PL_errgv)) { \
1234 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1235 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1236 SvREFCNT_dec(GvSV(PL_errgv)); \
1237 GvSV(PL_errgv) = newSVpvs(""); \
1238 } else { \
1239 SV *const errsv = GvSV(PL_errgv); \
1240 sv_setpvs(errsv, ""); \
1241 if (SvMAGICAL(errsv)) { \
1242 mg_free(errsv); \
1243 } \
1244 SvPOK_only(errsv); \
1245 } \
1246 } STMT_END
1247
1248
414bf5ae
MHM		 1249#ifdef PERL_CORE
1250# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC		 1251# define DEFSV_set(sv) \
1252 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1253# define SAVE_DEFSV \
1254 ( \
1255 save_gp(PL_defgv, 0), \
1256 GvINTRO_off(PL_defgv), \
1257 SAVEGENERICSV(GvSV(PL_defgv)), \
1258 GvSV(PL_defgv) = NULL \
1259 )
414bf5ae
MHM		 1260#else
1261# define DEFSV GvSVn(PL_defgv)
55b5114f
FC		 1262# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1263# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1264#endif
38a03e6e 1265
55497cff 1266#ifndef errno
5ff3f7a4
GS		 1267 extern int errno; /* ANSI allows errno to be an lvalue expr.
1268 * For example in multithreaded environments
1269 * something like this might happen:
1270 * extern int *_errno(void);
1271 * #define errno (*_errno()) */
d9d8d8de 1272#endif
663a0e37 1273
7e996671
KW		 1274#define UNKNOWN_ERRNO_MSG "(unknown)"
1275
2304df62 1276#ifdef HAS_STRERROR
b3e384bf 1277# ifndef DONT_DECLARE_STD
a0d0e21e 1278# ifdef VMS
20ce7b12 1279 char *strerror (int,...);
a0d0e21e 1280# else
20ce7b12 1281 char *strerror (int);
a0d0e21e 1282# endif
b3e384bf
KW		 1283# endif
1284# ifndef Strerror
1285# define Strerror strerror
1286# endif
2304df62
AD		 1287#else
1288# ifdef HAS_SYS_ERRLIST
79072805
LW		 1289 extern int sys_nerr;
1290 extern char *sys_errlist[];
2304df62
AD		 1291# ifndef Strerror
1292# define Strerror(e) \
7e996671 1293 ((e) < 0 || (e) >= sys_nerr ? UNKNOWN_ERRNO_MSG : sys_errlist[e])
2304df62 1294# endif
79072805 1295# endif
35c8bce7 1296#endif
663a0e37 1297
2304df62 1298#ifdef I_SYS_IOCTL
79072805
LW		 1299# ifndef _IOCTL_
1300# include <sys/ioctl.h>
1301# endif
a687059c
LW		 1302#endif
1303
ee0007ab 1304#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1305# ifdef HAS_SOCKETPAIR
1306# undef HAS_SOCKETPAIR
1307# endif
2304df62
AD		 1308# ifdef I_NDBM
1309# undef I_NDBM
79072805 1310# endif
a687059c
LW		 1311#endif
1312
02fc2eee
NC		 1313#ifndef HAS_SOCKETPAIR
1314# ifdef HAS_SOCKET
1315# define socketpair Perl_my_socketpair
1316# endif
1317#endif
1318
a687059c 1319#if INTSIZE == 2
79072805
LW		 1320# define htoni htons
1321# define ntohi ntohs
a687059c 1322#else
79072805
LW		 1323# define htoni htonl
1324# define ntohi ntohl
a687059c
LW		 1325#endif
1326
a0d0e21e 1327/* Configure already sets Direntry_t */
35c8bce7 1328#if defined(I_DIRENT)
663a0e37 1329# include <dirent.h>
ae986130 1330#else
fe14fcc3 1331# ifdef I_SYS_NDIR
79a0689e 1332# include <sys/ndir.h>
663a0e37 1333# else
fe14fcc3 1334# ifdef I_SYS_DIR
79a0689e
LW		 1335# ifdef hp9000s500
1336# include <ndir.h> /* may be wrong in the future */
1337# else
1338# include <sys/dir.h>
1339# endif
663a0e37
LW		 1340# endif
1341# endif
4633a7c4 1342#endif
a687059c 1343
c623bd54
LW		 1344/*
1345 * The following gobbledygook brought to you on behalf of __STDC__.
1346 * (I could just use #ifndef __STDC__, but this is more bulletproof
1347 * in the face of half-implementations.)
1348 */
1349
21e89b5f 1350#if defined(I_SYSMODE)
ca6e1c26
JH		 1351#include <sys/mode.h>
1352#endif
1353
c623bd54
LW		 1354#ifndef S_IFMT
1355# ifdef _S_IFMT
1356# define S_IFMT _S_IFMT
1357# else
1358# define S_IFMT 0170000
1359# endif
1360#endif
1361
1362#ifndef S_ISDIR
1363# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1364#endif
1365
1366#ifndef S_ISCHR
1367# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1368#endif
1369
1370#ifndef S_ISBLK
fe14fcc3
LW		 1371# ifdef S_IFBLK
1372# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1373# else
1374# define S_ISBLK(m) (0)
1375# endif
c623bd54
LW		 1376#endif
1377
1378#ifndef S_ISREG
1379# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1380#endif
1381
1382#ifndef S_ISFIFO
fe14fcc3
LW		 1383# ifdef S_IFIFO
1384# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1385# else
1386# define S_ISFIFO(m) (0)
1387# endif
c623bd54
LW		 1388#endif
1389
1390#ifndef S_ISLNK
1391# ifdef _S_ISLNK
1392# define S_ISLNK(m) _S_ISLNK(m)
1393# else
1394# ifdef _S_IFLNK
1395# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1396# else
1397# ifdef S_IFLNK
1398# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1399# else
1400# define S_ISLNK(m) (0)
1401# endif
1402# endif
1403# endif
1404#endif
1405
1406#ifndef S_ISSOCK
1407# ifdef _S_ISSOCK
1408# define S_ISSOCK(m) _S_ISSOCK(m)
1409# else
1410# ifdef _S_IFSOCK
1411# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1412# else
1413# ifdef S_IFSOCK
1414# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1415# else
1416# define S_ISSOCK(m) (0)
1417# endif
1418# endif
1419# endif
1420#endif
1421
1422#ifndef S_IRUSR
1423# ifdef S_IREAD
1424# define S_IRUSR S_IREAD
1425# define S_IWUSR S_IWRITE
1426# define S_IXUSR S_IEXEC
1427# else
1428# define S_IRUSR 0400
1429# define S_IWUSR 0200
1430# define S_IXUSR 0100
1431# endif
fac7cdfc
JS		 1432#endif
1433
1434#ifndef S_IRGRP
1435# ifdef S_IRUSR
1436# define S_IRGRP (S_IRUSR>>3)
1437# define S_IWGRP (S_IWUSR>>3)
1438# define S_IXGRP (S_IXUSR>>3)
1439# else
1440# define S_IRGRP 0040
1441# define S_IWGRP 0020
1442# define S_IXGRP 0010
1443# endif
1444#endif
1445
1446#ifndef S_IROTH
1447# ifdef S_IRUSR
1448# define S_IROTH (S_IRUSR>>6)
1449# define S_IWOTH (S_IWUSR>>6)
1450# define S_IXOTH (S_IXUSR>>6)
1451# else
1452# define S_IROTH 0040
1453# define S_IWOTH 0020
1454# define S_IXOTH 0010
1455# endif
c623bd54
LW		 1456#endif
1457
1458#ifndef S_ISUID
1459# define S_ISUID 04000
1460#endif
1461
1462#ifndef S_ISGID
1463# define S_ISGID 02000
1464#endif
1465
ca6e1c26
JH		 1466#ifndef S_IRWXU
1467# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1468#endif
ca6e1c26
JH		 1469
1470#ifndef S_IRWXG
1471# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1472#endif
ca6e1c26
JH		 1473
1474#ifndef S_IRWXO
1475# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1476#endif
ca6e1c26 1477
b6c36746 1478/* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1479 * which would get included through <sys/file.h >, but that is 3000
1480 * lines in the future. --jhi */
1481
b6c36746 1482#if !defined(S_IREAD) && !defined(__HAIKU__)
ca6e1c26
JH		 1483# define S_IREAD S_IRUSR
1484#endif
1485
b6c36746 1486#if !defined(S_IWRITE) && !defined(__HAIKU__)
ca6e1c26
JH		 1487# define S_IWRITE S_IWUSR
1488#endif
1489
1490#ifndef S_IEXEC
1491# define S_IEXEC S_IXUSR
1492#endif
1493
a0d0e21e 1494#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1495# define SLOPPYDIVIDE
1496#endif
1497
748a9306
LW		 1498#ifdef UV
1499#undef UV
1500#endif
1501
ce582cee
NC		 1502/* For the times when you want the return value of sprintf, and you want it
1503 to be the length. Can't have a thread variable passed in, because C89 has
1504 no varargs macros.
1505*/
1506#ifdef SPRINTF_RETURNS_STRLEN
1507# define my_sprintf sprintf
1508#else
1509# define my_sprintf Perl_my_sprintf
1510#endif
1511
5b692037
JH		 1512/*
1513 * If we have v?snprintf() and the C99 variadic macros, we can just
1514 * use just the v?snprintf(). It is nice to try to trap the buffer
1515 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1516 * gcc statement expressions, then use the function wrappers which try
1517 * to trap the overflow. If we can use the gcc statement expressions,
1518 * we can try that even with the version that uses the C99 variadic
1519 * macros.
5b692037
JH		 1520 */
1521
1208b3dd
JH		 1522/* Note that we do not check against snprintf()/vsnprintf() returning
1523 * negative values because that is non-standard behaviour and we use
1524 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1525 * that should be true only if the snprintf()/vsnprintf() are true
1526 * to the standard. */
1527
dfeee9b1 1528#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1529# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1530# define my_snprintf(buffer, len, ...) ({ int __len__ = snprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (len)) Perl_croak_nocontext("panic: snprintf buffer overflow"); __len__; })
1208b3dd 1531# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1532# else
1533# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1534# endif
1535#else
1536# define my_snprintf Perl_my_snprintf
1208b3dd 1537# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1538#endif
1539
dfeee9b1 1540#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1541# ifdef PERL_USE_GCC_BRACE_GROUPS
9e440ecc 1542# define my_vsnprintf(buffer, len, ...) ({ int __len__ = vsnprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (Size_t)(len)) Perl_croak_nocontext("panic: vsnprintf buffer overflow"); __len__; })
1208b3dd 1543# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1544# else
1545# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1546# endif
1547#else
1548# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1549# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1550#endif
d9fad198 1551
a6cc4119
SP		 1552#ifdef HAS_STRLCAT
1553# define my_strlcat strlcat
1554#else
1555# define my_strlcat Perl_my_strlcat
1556#endif
1557
1558#ifdef HAS_STRLCPY
1559# define my_strlcpy strlcpy
1560#else
1561# define my_strlcpy Perl_my_strlcpy
1562#endif
1563
05f13f53 1564/*
27d4fb96 1565 The IV type is supposed to be long enough to hold any integral
1566 value or a pointer.
1567 --Andy Dougherty August 1996
1568*/
1569
a22e52b9
JH		 1570typedef IVTYPE IV;
1571typedef UVTYPE UV;
8175356b 1572
10cc9d2a 1573#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1574# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1575# define IV_MAX INT64_MAX
1576# define IV_MIN INT64_MIN
1577# define UV_MAX UINT64_MAX
cae7ae48
JH		 1578# ifndef UINT64_MIN
1579# define UINT64_MIN 0
1580# endif
5ff3f7a4
GS		 1581# define UV_MIN UINT64_MIN
1582# else
1583# define IV_MAX PERL_QUAD_MAX
1584# define IV_MIN PERL_QUAD_MIN
1585# define UV_MAX PERL_UQUAD_MAX
1586# define UV_MIN PERL_UQUAD_MIN
1587# endif
cf2093f6
JH		 1588# define IV_IS_QUAD
1589# define UV_IS_QUAD
79072805 1590#else
8175356b 1591# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1592# define IV_MAX INT32_MAX
1593# define IV_MIN INT32_MIN
716026f9
DL		 1594# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1595# define UV_MAX UINT32_MAX
1596# else
1597# define UV_MAX 4294967295U
1598# endif
cae7ae48
JH		 1599# ifndef UINT32_MIN
1600# define UINT32_MIN 0
1601# endif
5ff3f7a4
GS		 1602# define UV_MIN UINT32_MIN
1603# else
1604# define IV_MAX PERL_LONG_MAX
1605# define IV_MIN PERL_LONG_MIN
1606# define UV_MAX PERL_ULONG_MAX
1607# define UV_MIN PERL_ULONG_MIN
1608# endif
8175356b 1609# if IVSIZE == 8
cf2093f6
JH		 1610# define IV_IS_QUAD
1611# define UV_IS_QUAD
de1c2614
JH		 1612# ifndef HAS_QUAD
1613# define HAS_QUAD
1614# endif
cf2093f6
JH		 1615# else
1616# undef IV_IS_QUAD
1617# undef UV_IS_QUAD
9ea40801 1618#if !defined(PERL_CORE) || defined(USING_MSVC6)
e25d460c
NC		 1619/* We think that removing this decade-old undef this will cause too much
1620 breakage on CPAN for too little gain. (See RT #119753)
9ea40801
SH		 1621 However, we do need HAS_QUAD in the core for use by the drand48 code,
1622 but not for Win32 VC6 because it has poor __int64 support. */
cb4b14d5 1623# undef HAS_QUAD
e25d460c 1624#endif
cf2093f6 1625# endif
79072805 1626#endif
d7d93a81 1627
9a543cee
FC		 1628#define SSize_t_MAX (SSize_t)(~(size_t)0 >> 1)
1629
cae7ae48 1630#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1631#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1632
28e5dec8 1633#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1634#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1635#endif
1636
d460ef45 1637/*
26bb67e2
JH		 1638 * The macros INT2PTR and NUM2PTR are (despite their names)
1639 * bi-directional: they will convert int/float to or from pointers.
1640 * However the conversion to int/float are named explicitly:
1641 * PTR2IV, PTR2UV, PTR2NV.
1642 *
1643 * For int conversions we do not need two casts if pointers are
1644 * the same size as IV and UV. Otherwise we need an explicit
1645 * cast (PTRV) to avoid compiler warnings.
1646 */
56431972
RB		 1647#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1648# define PTRV UV
1649# define INT2PTR(any,d) (any)(d)
1650#else
d460ef45 1651# if PTRSIZE == LONGSIZE
56431972 1652# define PTRV unsigned long
e91e3b10 1653# define PTR2ul(p) (unsigned long)(p)
42718184 1654# else
56431972 1655# define PTRV unsigned
42718184 1656# endif
e91e3b10
RB		 1657#endif
1658
1659#ifndef INT2PTR
56431972 1660# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1661#endif
e91e3b10
RB		 1662
1663#ifndef PTR2ul
1664# define PTR2ul(p) INT2PTR(unsigned long,p)
1665#endif
1666
56431972
RB		 1667#define NUM2PTR(any,d) (any)(PTRV)(d)
1668#define PTR2IV(p) INT2PTR(IV,p)
1669#define PTR2UV(p) INT2PTR(UV,p)
1670#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1671#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1672
8141890a
JH		 1673/* According to strict ANSI C89 one cannot freely cast between
1674 * data pointers and function (code) pointers. There are at least
1675 * two ways around this. One (used below) is to do two casts,
1676 * first the other pointer to an (unsigned) integer, and then
1677 * the integer to the other pointer. The other way would be
1678 * to use unions to "overlay" the pointers. For an example of
1679 * the latter technique, see union dirpu in struct xpvio in sv.h.
1680 * The only feasible use is probably temporarily storing
1681 * function pointers in a data pointer (such as a void pointer). */
1682
e91e3b10
RB		 1683#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1684#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1685
65202027 1686#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1687# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1688# define LONG_DOUBLE_EQUALS_DOUBLE
1689# endif
68d4903c 1690# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1691# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1692# endif
1693#endif
1694
2d4389e4
JH		 1695#ifdef OVR_DBL_DIG
1696/* Use an overridden DBL_DIG */
1697# ifdef DBL_DIG
1698# undef DBL_DIG
1699# endif
1700# define DBL_DIG OVR_DBL_DIG
1701#else
1702/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1703 default value for printing floating point numbers in Gconvert
1704 (see config.h). (It also has other uses, such as figuring out if
1705 a given precision of printing can be done with a double instead of
1706 a long double - Allen).
2d4389e4
JH		 1707*/
1708#ifdef I_LIMITS
1709#include <limits.h>
1710#endif
1711#ifdef I_FLOAT
1712#include <float.h>
1713#endif
1714#ifndef HAS_DBL_DIG
1715#define DBL_DIG 15 /* A guess that works lots of places */
1716#endif
1717#endif
1718
1719#ifdef OVR_LDBL_DIG
1720/* Use an overridden LDBL_DIG */
1721# ifdef LDBL_DIG
1722# undef LDBL_DIG
1723# endif
1724# define LDBL_DIG OVR_LDBL_DIG
1725#else
1726/* The following is all to get LDBL_DIG, in order to pick a nice
1727 default value for printing floating point numbers in Gconvert.
1728 (see config.h)
1729*/
68d4903c
JH		 1730# ifdef I_LIMITS
1731# include <limits.h>
1732# endif
1733# ifdef I_FLOAT
1734# include <float.h>
1735# endif
1736# ifndef HAS_LDBL_DIG
1737# if LONG_DOUBLESIZE == 10
1738# define LDBL_DIG 18 /* assume IEEE */
1739# else
1740# if LONG_DOUBLESIZE == 12
1741# define LDBL_DIG 18 /* gcc? */
1742# else
1743# if LONG_DOUBLESIZE == 16
1744# define LDBL_DIG 33 /* assume IEEE */
1745# else
1746# if LONG_DOUBLESIZE == DOUBLESIZE
1747# define LDBL_DIG DBL_DIG /* bummer */
1748# endif
1749# endif
1750# endif
1751# endif
1752# endif
2d4389e4
JH		 1753#endif
1754
20f6aaab
AS		 1755/*
1756 * This is for making sure we have a good DBL_MAX value, if possible,
1757 * either for usage as NV_MAX or for usage in figuring out if we can
1758 * fit a given long double into a double, if bug-fixing makes it
1759 * necessary to do so. - Allen <allens@cpan.org>
1760 */
1761
205f51d8
AS		 1762#ifdef I_LIMITS
1763# include <limits.h>
20f6aaab
AS		 1764#endif
1765
205f51d8
AS		 1766#ifdef I_VALUES
1767# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1768# include <values.h>
1769# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1770# define DBL_MAX MAXDOUBLE
1771# endif
1772# if defined(MINDOUBLE) && !defined(DBL_MIN)
1773# define DBL_MIN MINDOUBLE
1774# endif
1775# endif
1776#endif /* defined(I_VALUES) */
1777
a22e52b9 1778typedef NVTYPE NV;
8175356b 1779
792d8dab
JH		 1780#ifdef I_IEEEFP
1781# include <ieeefp.h>
1782#endif
923fc586 1783
65202027 1784#ifdef USE_LONG_DOUBLE
923fc586
JH		 1785# ifdef I_SUNMATH
1786# include <sunmath.h>
1787# endif
2d4389e4 1788# define NV_DIG LDBL_DIG
d6c14000
JH		 1789# ifdef LDBL_MANT_DIG
1790# define NV_MANT_DIG LDBL_MANT_DIG
1791# endif
06fc1729
JH		 1792# ifdef LDBL_MIN
1793# define NV_MIN LDBL_MIN
1794# endif
1795# ifdef LDBL_MAX
1796# define NV_MAX LDBL_MAX
1797# endif
1798# ifdef LDBL_MIN_10_EXP
1799# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1800# endif
1801# ifdef LDBL_MAX_10_EXP
1802# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1803# endif
1804# ifdef LDBL_EPSILON
1805# define NV_EPSILON LDBL_EPSILON
1806# endif
f4a14a62
JH		 1807# ifdef LDBL_MAX
1808# define NV_MAX LDBL_MAX
20f6aaab 1809/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1810# else
1811# ifdef HUGE_VALL
1812# define NV_MAX HUGE_VALL
1813# else
1814# ifdef HUGE_VAL
1815# define NV_MAX ((NV)HUGE_VAL)
1816# endif
1817# endif
1818# endif
68d4903c 1819# ifdef HAS_SQRTL
68d4903c
JH		 1820# define Perl_cos cosl
1821# define Perl_sin sinl
1822# define Perl_sqrt sqrtl
1823# define Perl_exp expl
1824# define Perl_log logl
1825# define Perl_atan2 atan2l
1826# define Perl_pow powl
1827# define Perl_floor floorl
1bbae031 1828# define Perl_ceil ceill
68d4903c
JH		 1829# define Perl_fmod fmodl
1830# endif
a3540c92
JH		 1831/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1832# ifdef HAS_MODFL
1833# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1834/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1835 prototype in <math.h> */
1836# ifndef HAS_MODFL_PROTO
a221a8a5 1837EXTERN_C long double modfl(long double, long double *);
51997bc3 1838# endif
03476e8e
JH		 1839# else
1840# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1841 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1842# define Perl_modf(x,y) Perl_my_modfl(x,y)
1843# endif
a3540c92
JH		 1844# endif
1845# ifdef HAS_FREXPL
dff3e0b8 1846# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1847# else
1848# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1849 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1850# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1851# endif
a3540c92 1852# endif
38dbb4c5 1853# ifndef Perl_isnan
758a5d79
JH		 1854# ifdef HAS_ISNANL
1855# define Perl_isnan(x) isnanl(x)
1856# endif
1857# endif
1858# ifndef Perl_isinf
1859# ifdef HAS_FINITEL
1860# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1861# endif
1862# endif
65202027 1863#else
2d4389e4 1864# define NV_DIG DBL_DIG
d6c14000
JH		 1865# ifdef DBL_MANT_DIG
1866# define NV_MANT_DIG DBL_MANT_DIG
1867# endif
06fc1729
JH		 1868# ifdef DBL_MIN
1869# define NV_MIN DBL_MIN
1870# endif
1871# ifdef DBL_MAX
1872# define NV_MAX DBL_MAX
1873# endif
1874# ifdef DBL_MIN_10_EXP
1875# define NV_MIN_10_EXP DBL_MIN_10_EXP
1876# endif
1877# ifdef DBL_MAX_10_EXP
1878# define NV_MAX_10_EXP DBL_MAX_10_EXP
1879# endif
1880# ifdef DBL_EPSILON
1881# define NV_EPSILON DBL_EPSILON
1882# endif
205f51d8 1883# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1884# define NV_MAX DBL_MAX
1885# define NV_MIN DBL_MIN
1886# else
1887# ifdef HUGE_VAL
1888# define NV_MAX HUGE_VAL
1889# endif
1890# endif
65202027
DS		 1891# define Perl_cos cos
1892# define Perl_sin sin
1893# define Perl_sqrt sqrt
1894# define Perl_exp exp
1895# define Perl_log log
1896# define Perl_atan2 atan2
1897# define Perl_pow pow
1898# define Perl_floor floor
1bbae031 1899# define Perl_ceil ceil
65202027 1900# define Perl_fmod fmod
a3540c92 1901# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1902# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1903#endif
1904
1905/* rumor has it that Win32 has _fpclass() */
1906
205f51d8
AS		 1907/* SGI has fpclassl... but not with the same result values,
1908 * and it's via a typedef (not via #define), so will need to redo Configure
1909 * to use. Not worth the trouble, IMO, at least until the below is used
1910 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1911 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1912 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1913
758a5d79
JH		 1914#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1915# ifdef I_IEEFP
1916# include <ieeefp.h>
1917# endif
1918# ifdef I_FP
1919# include <fp.h>
1920# endif
1921# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1922# define Perl_fp_class() fpclassl(x)
1923# else
1924# define Perl_fp_class() fpclass(x)
1925# endif
1926# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1927# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1928# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1929# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1930# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1931# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1932# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1933# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1934# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1935# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1936# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1937# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1938# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1939# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1940# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1941#endif
1942
21e89b5f 1943#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS)
758a5d79
JH		 1944# include <math.h>
1945# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1946# include <fp_class.h>
1947# endif
1948# define Perl_fp_class(x) fp_class(x)
1949# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1950# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1951# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1952# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1953# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1954# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1955# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1956# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1957# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1958# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1959# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1960# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1961# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1962# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1963# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1964#endif
1965
1966#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1967# include <math.h>
1968# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1969# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1970# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1971# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1972# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1973# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1974#endif
1975
1976#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1977# include <math.h>
1978# ifndef _cplusplus
1979# define Perl_fp_class(x) class(x)
1980# else
1981# define Perl_fp_class(x) _class(x)
1982# endif
1983# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1984# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1985# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1986# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1987# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1988# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1989# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1990# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1991# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1992# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1993# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1994# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1995# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1996# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1997# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1998#endif
1999
2000/* rumor has it that Win32 has _isnan() */
2001
2002#ifndef Perl_isnan
a3540c92 2003# ifdef HAS_ISNAN
758a5d79
JH		 2004# define Perl_isnan(x) isnan((NV)x)
2005# else
2006# ifdef Perl_fp_class_nan
2007# define Perl_isnan(x) Perl_fp_class_nan(x)
2008# else
2009# ifdef HAS_UNORDERED
2010# define Perl_isnan(x) unordered((x), 0.0)
2011# else
2012# define Perl_isnan(x) ((x)!=(x))
2013# endif
2014# endif
2015# endif
2016#endif
2017
ca6c63e1
JH		 2018#ifdef UNDER_CE
2019int isnan(double d);
2020#endif
2021
758a5d79
JH		 2022#ifndef Perl_isinf
2023# ifdef HAS_ISINF
2024# define Perl_isinf(x) isinf((NV)x)
a3540c92 2025# else
758a5d79
JH		 2026# ifdef Perl_fp_class_inf
2027# define Perl_isinf(x) Perl_fp_class_inf(x)
2028# else
2029# define Perl_isinf(x) ((x)==NV_INF)
2030# endif
2031# endif
2032#endif
2033
2034#ifndef Perl_isfinite
2035# ifdef HAS_FINITE
2036# define Perl_isfinite(x) finite((NV)x)
2037# else
2038# ifdef HAS_ISFINITE
2039# define Perl_isfinite(x) isfinite(x)
2040# else
2041# ifdef Perl_fp_class_finite
2042# define Perl_isfinite(x) Perl_fp_class_finite(x)
2043# else
2044# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2045# endif
2046# endif
a3540c92 2047# endif
65202027
DS		 2048#endif
2049
a36244b7
JH		 2050/* The default is to use Perl's own atof() implementation (in numeric.c).
2051 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2052 * it is however best to use the native implementation of atof.
2053 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2054 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2055 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2056 * you may need to be using a different function than atof! */
a36244b7
JH		 2057
2058#ifndef USE_PERL_ATOF
2059# ifndef _UNICOS
2060# define USE_PERL_ATOF
2061# endif
2062#else
2063# if USE_PERL_ATOF == 0
2064# undef USE_PERL_ATOF
2065# endif
2066#endif
2067
2068#ifdef USE_PERL_ATOF
2069# define Perl_atof(s) Perl_my_atof(s)
2070# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2071#else
2072# define Perl_atof(s) (NV)atof(s)
2073# define Perl_atof2(s, n) ((n) = atof(s))
2074#endif
cf2093f6 2075
d460ef45 2076/* Previously these definitions used hardcoded figures.
760ac839
LW		 2077 * It is hoped these formula are more portable, although
2078 * no data one way or another is presently known to me.
2079 * The "PERL_" names are used because these calculated constants
2080 * do not meet the ANSI requirements for LONG_MAX, etc., which
2081 * need to be constants acceptable to #if - kja
2082 * define PERL_LONG_MAX 2147483647L
2083 * define PERL_LONG_MIN (-LONG_MAX - 1)
2084 * define PERL ULONG_MAX 4294967295L
2085 */
2086
2087#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2088# include <limits.h>
760ac839 2089#endif
205f51d8 2090/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2091 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2092
99abf803 2093/*
2094 * Try to figure out max and min values for the integral types. THE CORRECT
2095 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2096 * following hacks are used if neither limits.h or values.h provide them:
2097 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2098 * for types < int: (unsigned TYPE)~(unsigned)0
2099 * The argument to ~ must be unsigned so that later signed->unsigned
2100 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2101 * and it must not be smaller than int because ~ does integral promotion.
2102 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2103 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2104 * The latter is a hack which happens to work on some machines but
2105 * does *not* catch any random system, or things like integer types
2106 * with NaN if that is possible.
2107 *
2108 * All of the types are explicitly cast to prevent accidental loss of
2109 * numeric range, and in the hope that they will be less likely to confuse
2110 * over-eager optimizers.
2111 *
2112 */
27d4fb96 2113
99abf803 2114#define PERL_UCHAR_MIN ((unsigned char)0)
2115
2116#ifdef UCHAR_MAX
2117# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2118#else
99abf803 2119# ifdef MAXUCHAR
2120# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2121# else
99abf803 2122# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2123# endif
2124#endif
d460ef45 2125
99abf803 2126/*
2127 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2128 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2129 * depending on local options. Until Configure detects this (or at least
2130 * detects whether the "signed" keyword is available) the CHAR ranges
2131 * will not be included. UCHAR functions normally.
2132 * - kja
2133 */
27d4fb96 2134
99abf803 2135#define PERL_USHORT_MIN ((unsigned short)0)
2136
2137#ifdef USHORT_MAX
2138# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2139#else
99abf803 2140# ifdef MAXUSHORT
2141# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2142# else
ef2f54b0
CB		 2143# ifdef USHRT_MAX
2144# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2145# else
2146# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2147# endif
27d4fb96 2148# endif
2149#endif
2150
27d4fb96 2151#ifdef SHORT_MAX
99abf803 2152# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2153#else
2154# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2155# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2156# else
ef2f54b0
CB		 2157# ifdef SHRT_MAX
2158# define PERL_SHORT_MAX ((short)SHRT_MAX)
2159# else
2160# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2161# endif
27d4fb96 2162# endif
2163#endif
2164
2165#ifdef SHORT_MIN
99abf803 2166# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2167#else
2168# ifdef MINSHORT
99abf803 2169# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2170# else
ef2f54b0
CB		 2171# ifdef SHRT_MIN
2172# define PERL_SHORT_MIN ((short)SHRT_MIN)
2173# else
2174# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2175# endif
27d4fb96 2176# endif
2177#endif
2178
99abf803 2179#ifdef UINT_MAX
2180# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2181#else
99abf803 2182# ifdef MAXUINT
2183# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2184# else
99abf803 2185# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2186# endif
2187#endif
2188
99abf803 2189#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2190
2191#ifdef INT_MAX
99abf803 2192# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2193#else
2194# ifdef MAXINT /* Often used in <values.h> */
99abf803 2195# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2196# else
99abf803 2197# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2198# endif
2199#endif
2200
2201#ifdef INT_MIN
99abf803 2202# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2203#else
2204# ifdef MININT
99abf803 2205# define PERL_INT_MIN ((int)MININT)
27d4fb96 2206# else
2207# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2208# endif
2209#endif
2210
99abf803 2211#ifdef ULONG_MAX
2212# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2213#else
99abf803 2214# ifdef MAXULONG
2215# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2216# else
99abf803 2217# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2218# endif
2219#endif
2220
99abf803 2221#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2222
760ac839 2223#ifdef LONG_MAX
99abf803 2224# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2225#else
2226# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2227# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2228# else
99abf803 2229# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2230# endif
2231#endif
2232
2233#ifdef LONG_MIN
99abf803 2234# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2235#else
2236# ifdef MINLONG
99abf803 2237# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2238# else
27d4fb96 2239# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2240# endif
2241#endif
2242
d7d93a81 2243#ifdef UV_IS_QUAD
99abf803 2244
99abf803 2245# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2246# define PERL_UQUAD_MIN ((UV)0)
99abf803 2247# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2248# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2249
79072805
LW		 2250#endif
2251
ee0007ab 2252typedef MEM_SIZE STRLEN;
450a55e4 2253
598921a7
NC		 2254#ifdef PERL_MAD
2255typedef struct token TOKEN;
2256typedef struct madprop MADPROP;
2257typedef struct nexttoken NEXTTOKE;
2258#endif
79072805
LW		 2259typedef struct op OP;
2260typedef struct cop COP;
2261typedef struct unop UNOP;
2262typedef struct binop BINOP;
2263typedef struct listop LISTOP;
2264typedef struct logop LOGOP;
79072805
LW		 2265typedef struct pmop PMOP;
2266typedef struct svop SVOP;
7934575e 2267typedef struct padop PADOP;
79072805 2268typedef struct pvop PVOP;
79072805
LW		 2269typedef struct loop LOOP;
2270
7aef8e5b 2271#ifdef PERL_CORE
8be227ab
FC		 2272typedef struct opslab OPSLAB;
2273typedef struct opslot OPSLOT;
2274#endif
2275
52db365a 2276typedef struct block_hooks BHK;
1830b3d9 2277typedef struct custom_op XOP;
52db365a 2278
cd1541b2
NC		 2279typedef struct interpreter PerlInterpreter;
2280
d2b3f365 2281/* SGI's <sys/sema.h> has struct sv */
cc3315ba 2282#if defined(__sgi)
d2b3f365 2283# define STRUCT_SV perl_sv
b8d3c5db
JH		 2284#else
2285# define STRUCT_SV sv
2286#endif
2287typedef struct STRUCT_SV SV;
79072805
LW		 2288typedef struct av AV;
2289typedef struct hv HV;
2290typedef struct cv CV;
d2f13c59 2291typedef struct p5rx REGEXP;
79072805 2292typedef struct gp GP;
0c30d9ec 2293typedef struct gv GV;
8990e307 2294typedef struct io IO;
c09156bb 2295typedef struct context PERL_CONTEXT;
79072805
LW		 2296typedef struct block BLOCK;
2297
2298typedef struct magic MAGIC;
2299typedef struct xpv XPV;
2300typedef struct xpviv XPVIV;
ff68c719 2301typedef struct xpvuv XPVUV;
79072805
LW		 2302typedef struct xpvnv XPVNV;
2303typedef struct xpvmg XPVMG;
2304typedef struct xpvlv XPVLV;
d361b004 2305typedef struct xpvinvlist XINVLIST;
79072805
LW		 2306typedef struct xpvav XPVAV;
2307typedef struct xpvhv XPVHV;
2308typedef struct xpvgv XPVGV;
2309typedef struct xpvcv XPVCV;
2310typedef struct xpvbm XPVBM;
2311typedef struct xpvfm XPVFM;
8990e307 2312typedef struct xpvio XPVIO;
79072805
LW		 2313typedef struct mgvtbl MGVTBL;
2314typedef union any ANY;
5f7fde29
GS		 2315typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2316typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2317typedef struct clone_params CLONE_PARAMS;
2318
35e035cc 2319/* a pad or name pad is currently just an AV; but that might change,
7261499d
FC		 2320 * so hide the type. */
2321typedef struct padlist PADLIST;
67634234 2322typedef AV PAD;
35e035cc
FC		 2323typedef AV PADNAMELIST;
2324typedef SV PADNAME;
67634234 2325
13b0f67d
DM		 2326/* enable PERL_NEW_COPY_ON_WRITE by default */
2327#if !defined(PERL_OLD_COPY_ON_WRITE) && !defined(PERL_NEW_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2328# define PERL_NEW_COPY_ON_WRITE
2329#endif
07d01d6e 2330
db2c6cb3
FC		 2331#if defined(PERL_OLD_COPY_ON_WRITE) || defined(PERL_NEW_COPY_ON_WRITE)
2332# if defined(PERL_OLD_COPY_ON_WRITE) && defined(PERL_NEW_COPY_ON_WRITE)
2333# error PERL_OLD_COPY_ON_WRITE and PERL_NEW_COPY_ON_WRITE are exclusive
2334# else
2335# define PERL_ANY_COW
2336# endif
9f351b45
DM		 2337#else
2338# define PERL_SAWAMPERSAND
db2c6cb3
FC		 2339#endif
2340
378cc40b 2341#include "handy.h"
a0d0e21e 2342
6b8eaf93 2343#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2344# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2345# define USE_64_BIT_RAWIO /* implicit */
2346# endif
4564133c
JH		 2347#endif
2348
6b8eaf93
JH		 2349/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2350 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2351 * however, because operating systems like to do that themself. */
2352#ifndef FSEEKSIZE
2353# ifdef HAS_FSEEKO
2354# define FSEEKSIZE LSEEKSIZE
2355# else
2356# define FSEEKSIZE LONGSIZE
d460ef45 2357# endif
6b8eaf93
JH		 2358#endif
2359
2360#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2361# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2362# define USE_64_BIT_STDIO /* implicit */
2363# endif
2364#endif
4564133c 2365
09458382 2366#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2367# ifdef HAS_OFF64_T
2368# undef Off_t
2369# define Off_t off64_t
2370# undef LSEEKSIZE
2371# define LSEEKSIZE 8
5ff3f7a4 2372# endif
d9b3e12d
JH		 2373/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2374 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2375 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2376# if defined(USE_OPEN64)
2377# define open open64
5ff3f7a4 2378# endif
d9b3e12d
JH		 2379# if defined(USE_LSEEK64)
2380# define lseek lseek64
6b8eaf93
JH		 2381# else
2382# if defined(USE_LLSEEK)
2383# define lseek llseek
2384# endif
d9b3e12d
JH		 2385# endif
2386# if defined(USE_STAT64)
2387# define stat stat64
2388# endif
2389# if defined(USE_FSTAT64)
2390# define fstat fstat64
2391# endif
2392# if defined(USE_LSTAT64)
2393# define lstat lstat64
2394# endif
2395# if defined(USE_FLOCK64)
2396# define flock flock64
2397# endif
2398# if defined(USE_LOCKF64)
2399# define lockf lockf64
2400# endif
2401# if defined(USE_FCNTL64)
2402# define fcntl fcntl64
2403# endif
2404# if defined(USE_TRUNCATE64)
2405# define truncate truncate64
2406# endif
2407# if defined(USE_FTRUNCATE64)
2408# define ftruncate ftruncate64
2409# endif
2410#endif
2411
2412#ifdef USE_64_BIT_STDIO
2413# ifdef HAS_FPOS64_T
2414# undef Fpos_t
2415# define Fpos_t fpos64_t
2416# endif
2417/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2418 * will trigger defines like the ones below. Some 64-bit environments,
2419 * however, do not. */
2420# if defined(USE_FOPEN64)
2421# define fopen fopen64
2422# endif
2423# if defined(USE_FSEEK64)
6b8eaf93 2424# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2425# endif
2426# if defined(USE_FTELL64)
6b8eaf93 2427# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2428# endif
2429# if defined(USE_FSETPOS64)
2430# define fsetpos fsetpos64
2431# endif
2432# if defined(USE_FGETPOS64)
2433# define fgetpos fgetpos64
2434# endif
2435# if defined(USE_TMPFILE64)
2436# define tmpfile tmpfile64
2437# endif
2438# if defined(USE_FREOPEN64)
2439# define freopen freopen64
5ff3f7a4
GS		 2440# endif
2441#endif
2442
e37778c2 2443#if defined(OS2)
2c2d71f5
JH		 2444# include "iperlsys.h"
2445#endif
2446
748a9306 2447#ifdef DOSISH
19848b3f
JH		 2448# if defined(OS2)
2449# include "os2ish.h"
2450# else
2451# include "dosish.h"
2452# endif
009819bb 2453#elif defined(VMS)
748a9306 2454# include "vmsish.h"
009819bb 2455#elif defined(PLAN9)
19848b3f 2456# include "./plan9/plan9ish.h"
009819bb 2457#elif defined(__VOS__)
196918b0
PG		 2458# ifdef __GNUC__
2459# include "./vos/vosish.h"
2460# else
2461# include "vos/vosish.h"
2462# endif
009819bb 2463#elif defined(__SYMBIAN32__)
27da23d5 2464# include "symbian/symbianish.h"
009819bb 2465#elif defined(__HAIKU__)
df00ff3b 2466# include "haiku/haikuish.h"
009819bb 2467#else
19848b3f 2468# include "unixish.h"
13b6e58c
JH		 2469#endif
2470
2946a158
JH		 2471/* NSIG logic from Configure --> */
2472/* Strange style to avoid deeply-nested #if/#else/#endif */
2473#ifndef NSIG
2474# ifdef _NSIG
2475# define NSIG (_NSIG)
2476# endif
2477#endif
2478
2479#ifndef NSIG
2480# ifdef SIGMAX
2481# define NSIG (SIGMAX+1)
2482# endif
2483#endif
2484
2485#ifndef NSIG
2486# ifdef SIG_MAX
2487# define NSIG (SIG_MAX+1)
2488# endif
2489#endif
2490
2491#ifndef NSIG
2492# ifdef _SIG_MAX
2493# define NSIG (_SIG_MAX+1)
2494# endif
2495#endif
2496
2497#ifndef NSIG
2498# ifdef MAXSIG
2499# define NSIG (MAXSIG+1)
2500# endif
2501#endif
2502
2503#ifndef NSIG
2504# ifdef MAX_SIG
2505# define NSIG (MAX_SIG+1)
2506# endif
2507#endif
2508
2509#ifndef NSIG
2510# ifdef SIGARRAYSIZE
2511# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2512# endif
2513#endif
2514
2515#ifndef NSIG
2516# ifdef _sys_nsig
2517# define NSIG (_sys_nsig) /* Solaris 2.5 */
2518# endif
2519#endif
2520
2521/* Default to some arbitrary number that's big enough to get most
2522 of the common signals.
2523*/
2524#ifndef NSIG
2525# define NSIG 50
2526#endif
2527/* <-- NSIG logic from Configure */
2528
13b6e58c
JH		 2529#ifndef NO_ENVIRON_ARRAY
2530# define USE_ENVIRON_ARRAY
2531#endif
32f822de 2532
c77b533b
JH		 2533/*
2534 * initialise to avoid floating-point exceptions from overflow, etc
2535 */
2536#ifndef PERL_FPU_INIT
2537# ifdef HAS_FPSETMASK
2538# if HAS_FLOATINGPOINT_H
2539# include <floatingpoint.h>
2540# endif
ad3a8c67
NC		 2541/* Some operating systems have this as a macro, which in turn expands to a comma
2542 expression, and the last sub-expression is something that gets calculated,
2543 and then they have the gall to warn that a value computed is not used. Hence
2544 cast to void. */
2545# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2546# else
2f42fcb0 2547# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2548# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2549# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2550# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2551# else
2552# define PERL_FPU_INIT
2f42fcb0 2553
7014c407 2554# endif
c77b533b
JH		 2555# endif
2556#endif
b35112e7
CS		 2557#ifndef PERL_FPU_PRE_EXEC
2558# define PERL_FPU_PRE_EXEC {
2559# define PERL_FPU_POST_EXEC }
2560#endif
c77b533b 2561
cbec8ebe
DM		 2562#ifndef PERL_SYS_INIT3_BODY
2563# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2564#endif
2565
eb533572 2566/*
dcccc8ff
KW		 2567=head1 Miscellaneous Functions
2568
4ad9e498 2569=for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
eb533572 2570Provides system-specific tune up of the C runtime environment necessary to
72d33970 2571run Perl interpreters. This should be called only once, before creating
eb533572
DM		 2572any Perl interpreters.
2573
4ad9e498 2574=for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
eb533572 2575Provides system-specific tune up of the C runtime environment necessary to
72d33970 2576run Perl interpreters. This should be called only once, before creating
eb533572
DM		 2577any Perl interpreters.
2578
2579=for apidoc Am|void|PERL_SYS_TERM|
2580Provides system-specific clean up of the C runtime environment after
72d33970 2581running Perl interpreters. This should be called only once, after
eb533572
DM		 2582freeing any remaining Perl interpreters.
2583
2584=cut
2585 */
2586
cbec8ebe
DM		 2587#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2588#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2589#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2590
be708cc0
JH		 2591#ifndef PERL_WRITE_MSG_TO_CONSOLE
2592# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2593#endif
2594
0f31cffe
GS		 2595#ifndef MAXPATHLEN
2596# ifdef PATH_MAX
b990c8b2
JH		 2597# ifdef _POSIX_PATH_MAX
2598# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2599/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2600 * included the null byte or not. Later amendments of POSIX,
2601 * XPG4, the Austin Group, and the Single UNIX Specification
2602 * all explicitly include the null byte in the PATH_MAX.
2603 * Ditto for _POSIX_PATH_MAX. */
2604# define MAXPATHLEN PATH_MAX
b990c8b2 2605# else
09448d78 2606# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2607# endif
2608# else
2609# define MAXPATHLEN (PATH_MAX+1)
2610# endif
0f31cffe 2611# else
d552bce8 2612# define MAXPATHLEN 1024 /* Err on the large side. */
0f31cffe
GS		 2613# endif
2614#endif
2615
c80263a8
SH		 2616/* In case Configure was not used (we are using a "canned config"
2617 * such as Win32, or a cross-compilation setup, for example) try going
2618 * by the gcc major and minor versions. One useful URL is
2619 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2620 * but contrary to this information warn_unused_result seems
2621 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2622 * Also, when building extensions with an installed perl, this allows
2623 * the user to upgrade gcc and get the right attributes, rather than
2624 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2625 * Set these up now otherwise we get confused when some of the <*thread.h>
2626 * includes below indirectly pull in <perlio.h> (which needs to know if we
2627 * have HASATTRIBUTE_FORMAT).
2628 */
2629
4d7c7898 2630#ifndef PERL_MICRO
fc2007d4 2631#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2632# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2633# define HASATTRIBUTE_DEPRECATED
2634# endif
c80263a8
SH		 2635# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2636# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2637# if defined __MINGW32__
2638# define PRINTF_FORMAT_NULL_OK
2639# endif
c80263a8
SH		 2640# endif
2641# if __GNUC__ >= 3 /* 3.0 -> */
2642# define HASATTRIBUTE_MALLOC
2643# endif
2644# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2645# define HASATTRIBUTE_NONNULL
2646# endif
2647# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2648# define HASATTRIBUTE_NORETURN
2649# endif
2650# if __GNUC__ >= 3 /* gcc 3.0 -> */
2651# define HASATTRIBUTE_PURE
2652# endif
42bf5550 2653# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2654# define HASATTRIBUTE_UNUSED
2655# endif
d324fe49
AD		 2656# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2657# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2658# endif
c80263a8
SH		 2659# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2660# define HASATTRIBUTE_WARN_UNUSED_RESULT
2661# endif
2662#endif
00f254e2 2663#endif /* #ifndef PERL_MICRO */
c80263a8 2664
3db8f154 2665/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2666 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2667 * this results in many functions being undeclared which bothers C++
2668 * May make sense to have threads after "*ish.h" anyway
2669 */
2670
3db8f154 2671#if defined(USE_ITHREADS)
2986a63f
JH		 2672# ifdef NETWARE
2673# include <nw5thread.h>
2674# else
32f822de
GS		 2675# ifdef WIN32
2676# include <win32thread.h>
2677# else
dd96f567
IZ		 2678# ifdef OS2
2679# include "os2thread.h"
2680# else
7f3d1cf1 2681# ifdef I_MACH_CTHREADS
bdd66968 2682# include <mach/cthreads.h>
7f3d1cf1
BH		 2683typedef cthread_t perl_os_thread;
2684typedef mutex_t perl_mutex;
2685typedef condition_t perl_cond;
2686typedef void * perl_key;
2687# else /* Posix threads */
1f5ae88c
JH		 2688# ifdef I_PTHREAD
2689# include <pthread.h>
2690# endif
7f3d1cf1
BH		 2691typedef pthread_t perl_os_thread;
2692typedef pthread_mutex_t perl_mutex;
2693typedef pthread_cond_t perl_cond;
2694typedef pthread_key_t perl_key;
2695# endif /* I_MACH_CTHREADS */
dd96f567 2696# endif /* OS2 */
32f822de 2697# endif /* WIN32 */
ef4abe76 2698# endif /* NETWARE */
3db8f154 2699#endif /* USE_ITHREADS */
c5be433b 2700
66a93824 2701#if defined(WIN32)
1feb2720 2702# include "win32.h"
c5be433b
GS		 2703#endif
2704
2986a63f
JH		 2705#ifdef NETWARE
2706# include "netware.h"
2707#endif
2708
e5218da5 2709#define STATUS_UNIX PL_statusvalue
68dc0745 2710#ifdef VMS
6b88bc9c 2711# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2712/*
2713 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2714 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2715 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2716 * be updated also.
2717 */
2718# include <stsdef.h>
2719# include <ssdef.h>
2720/* Presume this because if VMS changes it, it will require a new
2721 * set of APIs for waiting on children for binary compatibility.
2722 */
2723# define child_offset_bits (8)
2724# ifndef C_FAC_POSIX
2725# define C_FAC_POSIX 0x35A000
2726# endif
2727
2728/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2729 * platform from the existing UNIX or Native status values.
2730 */
2731
37038d91 2732# define STATUS_EXIT \
7a7fd8e0
JM		 2733 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2734 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2735
7a7fd8e0 2736
fb38d079
JM		 2737/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2738 * exit code and shifts the UNIX value over the correct number of bits to
2739 * be a child status. Usually the number of bits is 8, but that could be
2740 * platform dependent. The NATIVE status code is presumed to have either
2741 * from a child process.
7a7fd8e0
JM		 2742 */
2743
fb38d079
JM		 2744/* This is complicated. The child processes return a true native VMS
2745 status which must be saved. But there is an assumption in Perl that
2746 the UNIX child status has some relationship to errno values, so
00f254e2 2747 Perl tries to translate it to text in some of the tests.
fb38d079
JM		 2748 In order to get the string translation correct, for the error, errno
2749 must be EVMSERR, but that generates a different text message
2750 than what the test programs are expecting. So an errno value must
2751 be derived from the native status value when an error occurs.
2752 That will hide the true native status message. With this version of
2753 perl, the true native child status can always be retrieved so that
2754 is not a problem. But in this case, Pl_statusvalue and errno may
2755 have different values in them.
2756 */
7a7fd8e0 2757
fb38d079 2758# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2759 STMT_START { \
2fbb330f
JM		 2760 I32 evalue = (I32)n; \
2761 if (evalue == EVMSERR) { \
2762 PL_statusvalue_vms = vaxc$errno; \
2763 PL_statusvalue = evalue; \
7a7fd8e0 2764 } else { \
2fbb330f 2765 PL_statusvalue_vms = evalue; \
fb38d079 2766 if (evalue == -1) { \
3280af22 2767 PL_statusvalue = -1; \
7a7fd8e0
JM		 2768 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2769 } else \
fb38d079 2770 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2771 set_vaxc_errno(evalue); \
fb38d079
JM		 2772 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2773 set_errno(EVMSERR); \
2774 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2775 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2776 } \
68dc0745 2777 } STMT_END
7a7fd8e0 2778
68dc0745 2779# ifdef VMSISH_STATUS
e5218da5 2780# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2781# else
e5218da5 2782# define STATUS_CURRENT STATUS_UNIX
68dc0745 2783# endif
7a7fd8e0
JM		 2784
2785 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2786 * the NATIVE status to an equivalent value. Can not be used to translate
2787 * exit code values as exit code values are not guaranteed to have any
2788 * relationship at all to errno values.
2789 * This is used when Perl is forcing errno to have a specific value.
2790 */
e5218da5 2791# define STATUS_UNIX_SET(n) \
68dc0745 2792 STMT_START { \
7a7fd8e0 2793 I32 evalue = (I32)n; \
0968cdad 2794 PL_statusvalue = evalue; \
3280af22 2795 if (PL_statusvalue != -1) { \
0968cdad
JM		 2796 if (PL_statusvalue != EVMSERR) { \
2797 PL_statusvalue &= 0xFFFF; \
2798 if (MY_POSIX_EXIT) \
2799 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2800 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2801 } \
2802 else { \
2803 PL_statusvalue_vms = vaxc$errno; \
2804 } \
68dc0745 2805 } \
0968cdad
JM		 2806 else PL_statusvalue_vms = SS$_ABORT; \
2807 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2808 } STMT_END
2809
2810 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 2811 * the NATIVE error status based on it.
2812 *
2813 * When in the default mode to comply with the Perl VMS documentation,
2814 * 0 is a success and any other code sets the NATIVE status to a failure
2815 * code of SS$_ABORT.
fb38d079
JM		 2816 *
2817 * In the new POSIX EXIT mode, native status will be set so that the
2818 * actual exit code will can be retrieved by the calling program or
2819 * shell.
2820 *
2821 * If the exit code is not clearly a UNIX parent or child exit status,
2822 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2823 */
2824
fb38d079 2825# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2826 STMT_START { \
2827 I32 evalue = (I32)n; \
2828 PL_statusvalue = evalue; \
e08e1e1d
JM		 2829 if (MY_POSIX_EXIT) { \
2830 if (evalue <= 0xFF00) { \
2831 if (evalue > 0xFF) \
2832 evalue = (evalue >> child_offset_bits) & 0xFF; \
2833 PL_statusvalue_vms = \
2834 (C_FAC_POSIX | (evalue << 3 ) | \
2835 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
2836 } else /* forgive them Perl, for they have sinned */ \
2837 PL_statusvalue_vms = evalue; \
2838 } else { \
2839 if (evalue == 0) \
2840 PL_statusvalue_vms = SS$_NORMAL; \
2841 else if (evalue <= 0xFF00) \
2842 PL_statusvalue_vms = SS$_ABORT; \
2843 else { /* forgive them Perl, for they have sinned */ \
2844 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2845 else PL_statusvalue_vms = vaxc$errno; \
2846 /* And obviously used a VMS status value instead of UNIX */ \
2847 PL_statusvalue = EVMSERR; \
2848 } \
2849 set_vaxc_errno(PL_statusvalue_vms); \
2850 } \
68dc0745 2851 } STMT_END
fb38d079 2852
e08e1e1d 2853
6ac6a52b
JM		 2854 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2855 * and sets the NATIVE error status based on it. This special case
2856 * is needed to maintain compatibility with past VMS behavior.
2857 *
2858 * In the default mode on VMS, this number is passed through as
2859 * both the NATIVE and UNIX status. Which makes it different
2860 * that the STATUS_UNIX_EXIT_SET.
2861 *
2862 * In the new POSIX EXIT mode, native status will be set so that the
2863 * actual exit code will can be retrieved by the calling program or
2864 * shell.
2865 *
1a3aec58
JM		 2866 * A POSIX exit code is from 0 to 255. If the exit code is higher
2867 * than this, it needs to be assumed that it is a VMS exit code and
2868 * passed through.
6ac6a52b
JM		 2869 */
2870
2871# define STATUS_EXIT_SET(n) \
2872 STMT_START { \
2873 I32 evalue = (I32)n; \
2874 PL_statusvalue = evalue; \
2875 if (MY_POSIX_EXIT) \
1a3aec58
JM		 2876 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
2877 PL_statusvalue_vms = \
2878 (C_FAC_POSIX | (evalue << 3 ) | \
2879 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 2880 else \
2881 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2882 set_vaxc_errno(PL_statusvalue_vms); \
2883 } STMT_END
2884
fb38d079
JM		 2885
2886 /* This macro forces a success status */
7a7fd8e0
JM		 2887# define STATUS_ALL_SUCCESS \
2888 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 2889
2890 /* This macro forces a failure status */
7a7fd8e0
JM		 2891# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2892 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2893 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2894
68dc0745 2895#else
e5218da5 2896# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2897# if defined(WCOREDUMP)
37038d91 2898# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2899 STMT_START { \
2900 PL_statusvalue_posix = (n); \
2901 if (PL_statusvalue_posix == -1) \
2902 PL_statusvalue = -1; \
2903 else { \
2904 PL_statusvalue = \
2905 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2906 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2907 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2908 } \
2909 } STMT_END
2910# elif defined(WIFEXITED)
37038d91 2911# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2912 STMT_START { \
2913 PL_statusvalue_posix = (n); \
2914 if (PL_statusvalue_posix == -1) \
2915 PL_statusvalue = -1; \
2916 else { \
2917 PL_statusvalue = \
2918 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2919 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2920 } \
2921 } STMT_END
2922# else
37038d91 2923# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2924 STMT_START { \
2925 PL_statusvalue_posix = (n); \
2926 if (PL_statusvalue_posix == -1) \
2927 PL_statusvalue = -1; \
2928 else { \
2929 PL_statusvalue = \
2930 PL_statusvalue_posix & 0xFFFF; \
2931 } \
2932 } STMT_END
2933# endif
2934# define STATUS_UNIX_SET(n) \
68dc0745 2935 STMT_START { \
3280af22
NIS		 2936 PL_statusvalue = (n); \
2937 if (PL_statusvalue != -1) \
2938 PL_statusvalue &= 0xFFFF; \
68dc0745 2939 } STMT_END
7a7fd8e0 2940# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2941# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2942# define STATUS_CURRENT STATUS_UNIX
37038d91 2943# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 2944# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2945# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 2946#endif
2947
cc3604b1
GS		 2948/* flags in PL_exit_flags for nature of exit() */
2949#define PERL_EXIT_EXPECTED 0x01
31d77e54 2950#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
6136213b
JGM		 2951#define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */
2952#define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */
cc3604b1 2953
b79b76e0 2954#ifndef PERL_CORE
a7cb1f99 2955/* format to use for version numbers in file/directory names */
273cf8d1 2956/* XXX move to Configure? */
b79b76e0
NC		 2957/* This was only ever used for the current version, and that can be done at
2958 compile time, as PERL_FS_VERSION, so should we just delete it? */
2959# ifndef PERL_FS_VER_FMT
2960# define PERL_FS_VER_FMT "%d.%d.%d"
2961# endif
2962#endif
2963
2964#ifndef PERL_FS_VERSION
2965# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS		 2966#endif
2967
45bc9206 2968/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2969 * performance issue, so we allow people to disable it. Also, if
2970 * we are using stdio, there are broken implementations of fflush(NULL)
2971 * out there, Solaris being the most prominent.
45bc9206
GS		 2972 */
2973#ifndef PERL_FLUSHALL_FOR_CHILD
97cb92d6 2974# if defined(USE_PERLIO) || defined(FFLUSH_NULL)
66fe083f 2975# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2976# else
2977# ifdef FFLUSH_ALL
2978# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2979# else
c5be433b 2980# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2981# endif
66fe083f 2982# endif
45bc9206
GS		 2983#endif
2984
7766f137
GS		 2985#ifndef PERL_WAIT_FOR_CHILDREN
2986# define PERL_WAIT_FOR_CHILDREN NOOP
2987#endif
2988
ba869deb 2989/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2990#ifndef PERL_SET_INTERP
2991# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2992#endif
2993
2994#ifndef PERL_GET_INTERP
2995# define PERL_GET_INTERP (PL_curinterp)
2996#endif
2997
54aff467 2998#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2999# ifdef MULTIPLICITY
ba869deb 3000# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3001# endif
ba869deb
GS		 3002# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3003#endif
3004
00f254e2 3005/*
8896765a 3006 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3007 All that is required is that the perl source does not
00f254e2
KW		 3008 use "%-p" or "%-<number>p" or "%<number>p" formats.
3009 These formats will still work in perl code.
486ec47a 3010 See comments in sv.c for further details.
8896765a 3011
8896765a 3012 Robin Barker 2005-07-14
f46d31f2 3013
00f254e2 3014 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3015*/
8896765a
RB		 3016
3017#ifndef SVf_
63ce7bf0 3018# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3019#endif
3020
8896765a 3021#ifndef SVf
104abab4 3022# define SVf "-p"
d2560b70
RB		 3023#endif
3024
014ead4b 3025#ifndef SVf32
8896765a 3026# define SVf32 SVf_(32)
014ead4b
RB		 3027#endif
3028
3029#ifndef SVf256
8896765a
RB		 3030# define SVf256 SVf_(256)
3031#endif
3032
be2597df
MHM		 3033#define SVfARG(p) ((void*)(p))
3034
20023040
FC		 3035#ifndef HEKf
3036# define HEKf "2p"
3037#endif
3038
b8fa5213
FC		 3039/* Not ideal, but we cannot easily include a number in an already-numeric
3040 * format sequence. */
3041#ifndef HEKf256
3042# define HEKf256 "3p"
3043#endif
3044
20023040
FC		 3045#define HEKfARG(p) ((void*)(p))
3046
b17a0679
FC		 3047/* Takes three arguments: is_utf8, length, str */
3048#ifndef UTF8f
61608bb7 3049# define UTF8f "d%" UVuf "%4p"
b17a0679
FC		 3050#endif
3051#define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
3052
f46d31f2 3053#ifdef PERL_CORE
486ec47a 3054/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB		 3055# undef UVf
3056#else
170cd9e9
NC		 3057# ifndef UVf
3058# define UVf UVuf
3059# endif
d2560b70
RB		 3060#endif
3061
fcdf39cf
RGS		 3062#ifdef HASATTRIBUTE_DEPRECATED
3063# define __attribute__deprecated__ __attribute__((deprecated))
3064#endif
0dbb1585
AL		 3065#ifdef HASATTRIBUTE_FORMAT
3066# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3067#endif
3068#ifdef HASATTRIBUTE_MALLOC
77785eea 3069# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3070#endif
0dbb1585 3071#ifdef HASATTRIBUTE_NONNULL
abb2c242 3072# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3073#endif
0dbb1585 3074#ifdef HASATTRIBUTE_NORETURN
abb2c242 3075# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3076#endif
0dbb1585 3077#ifdef HASATTRIBUTE_PURE
abb2c242 3078# define __attribute__pure__ __attribute__((pure))
f22be1b8 3079#endif
0dbb1585
AL		 3080#ifdef HASATTRIBUTE_UNUSED
3081# define __attribute__unused__ __attribute__((unused))
3082#endif
3083#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3084# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3085#endif
3086
0dbb1585 3087/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3088#ifndef __attribute__deprecated__
3089# define __attribute__deprecated__
3090#endif
0dbb1585
AL		 3091#ifndef __attribute__format__
3092# define __attribute__format__(x,y,z)
3093#endif
f22be1b8 3094#ifndef __attribute__malloc__
abb2c242 3095# define __attribute__malloc__
f22be1b8
JH		 3096#endif
3097#ifndef __attribute__nonnull__
abb2c242 3098# define __attribute__nonnull__(a)
f22be1b8
JH		 3099#endif
3100#ifndef __attribute__noreturn__
abb2c242 3101# define __attribute__noreturn__
f22be1b8
JH		 3102#endif
3103#ifndef __attribute__pure__
abb2c242 3104# define __attribute__pure__
f22be1b8 3105#endif
0dbb1585
AL		 3106#ifndef __attribute__unused__
3107# define __attribute__unused__
3108#endif
f22be1b8 3109#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3110# define __attribute__warn_unused_result__
3111#endif
3112
cd13e623
JH		 3113#if defined(DEBUGGING) && defined(I_ASSERT)
3114# include <assert.h>
3115#endif
3116
0dbb1585
AL		 3117/* For functions that are marked as __attribute__noreturn__, it's not
3118 appropriate to call return. In either case, include the lint directive.
3119 */
3120#ifdef HASATTRIBUTE_NORETURN
ae103e09 3121# define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */
0dbb1585 3122#else
ae103e09 3123# define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */ return 0
abb2c242
JH		 3124#endif
3125
cdfeb707
RB		 3126/* Some OS warn on NULL format to printf */
3127#ifdef PRINTF_FORMAT_NULL_OK
3128# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3129#else
00f254e2 3130# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB		 3131#endif
3132
635aebb7 3133#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3134# define EXPECT(expr,val) __builtin_expect(expr,val)
3135#else
3136# define EXPECT(expr,val) (expr)
3137#endif
6d5abc62
NC		 3138#define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3139#define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
635aebb7
AL		 3140#ifdef HAS_BUILTIN_CHOOSE_EXPR
3141/* placeholder */
3142#endif
b37c2d43 3143
ae103e09
DD		 3144
3145#ifndef __has_builtin
3146# define __has_builtin(x) 0 /* not a clang style compiler */
3147#endif
3148
3149/* ASSUME is like assert(), but it has a benefit in a release build. It is a
3150 hint to a compiler about a statement of fact in a function call free
3151 expression, which allows the compiler to generate better machine code.
3152 In a debug build, ASSUME(x) is a synonym for assert(x). ASSUME(0) means
3153 the control path is unreachable. In a for loop, ASSUME can be used to hint
3154 that a loop will run atleast X times. ASSUME is based off MSVC's __assume
3155 intrinsic function, see its documents for more details.
3156*/
3157
3158#ifndef DEBUGGING
3159# if __has_builtin(__builtin_unreachable) \
3160 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 5) /* 4.5 -> */
3161# define ASSUME(x) ((x) ? (void) 0 : __builtin_unreachable())
3162# elif defined(_MSC_VER)
3163# define ASSUME(x) __assume(x)
3164# elif defined(__ARMCC_VERSION) /* untested */
3165# define ASSUME(x) __promise(x)
3166# else
3167/* a random compiler might define assert to its own special optimization token
3168 so pass it through to C lib as a last resort */
3169# define ASSUME(x) assert(x)
3170# endif
3171#else
3172# define ASSUME(x) assert(x)
3173#endif
3174
3175#define NOT_REACHED ASSUME(0)
3176
3fc1aec6 3177/* Some unistd.h's give a prototype for pause() even though
3178 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3179 below to be rejected by the compiler. Sigh.
3fc1aec6 3180*/
3181#ifdef HAS_PAUSE
3182#define Pause pause
3183#else
3184#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3185#endif
3186
3187#ifndef IOCPARM_LEN
3188# ifdef IOCPARM_MASK
61f1c44b 3189 /* on BSDish systems we're safe */
748a9306
LW		 3190# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3191# else
61f1c44b 3192# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3193 /* on Linux systems we're safe; except when we're not [perl #38223] */
3194# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3195# else
748a9306 3196 /* otherwise guess at what's safe */
61f1c44b
JVD		 3197# define IOCPARM_LEN(x) 256
3198# endif
748a9306 3199# endif
a0d0e21e
LW		 3200#endif
3201
1761cee5 3202#if defined(__CYGWIN__)
521e0776
GS		 3203/* USEMYBINMODE
3204 * This symbol, if defined, indicates that the program should
16fe6d59 3205 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3206 * that a file is in "binary" mode -- that is, that no translation
3207 * of bytes occurs on read or write operations.
3208 */
36894f0b 3209# define USEMYBINMODE /**/
77a40698 3210# include <io.h> /* for setmode() prototype */
16fe6d59 3211# define my_binmode(fp, iotype, mode) \
77a40698 3212 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3213#endif
3214
88d10794
JH		 3215#ifdef __CYGWIN__
3216void init_os_extras(void);
3217#endif
3218
cea2e8a9
GS		 3219#ifdef UNION_ANY_DEFINITION
3220UNION_ANY_DEFINITION;
3221#else
3222union any {
3223 void* any_ptr;
3224 I32 any_i32;
ae103e09 3225 U32 any_u32;
cea2e8a9 3226 IV any_iv;
c6bf6a65 3227 UV any_uv;
cea2e8a9 3228 long any_long;
9febdf04 3229 bool any_bool;
c76ac1ee 3230 void (*any_dptr) (void*);
acfe0abc 3231 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3232};
3233#endif
3234
acfe0abc 3235typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3236
3237#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3238#define FILTER_DATA(idx) \
3239 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3240#define FILTER_ISREADER(idx) \
3241 (PL_parser && PL_parser->rsfp_filters \
3242 && idx >= AvFILLp(PL_parser->rsfp_filters))
3243#define PERL_FILTER_EXISTS(i) \
3244 (PL_parser && PL_parser->rsfp_filters \
b9f2b683 3245 && (i) <= av_tindex(PL_parser->rsfp_filters))
cea2e8a9 3246
c5078cac
JH		 3247#if defined(_AIX) && !defined(_AIX43)
3248#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3249/* We cannot include <crypt.h> to get the struct crypt_data
3250 * because of setkey prototype problems when threading */
3251typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3252 /* From OSF, Not needed in AIX
3253 char C[28], D[28];
3254 */
3255 char E[48];
3256 char KS[16][48];
3257 char block[66];
3258 char iobuf[16];
3259} CRYPTD;
3260#endif /* threading */
3261#endif /* AIX */
3262
e37778c2 3263#if !defined(OS2)
2c2d71f5
JH		 3264# include "iperlsys.h"
3265#endif
504f80c1 3266
9c12f1e5 3267#ifdef __LIBCATAMOUNT__
00f254e2 3268#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS		 3269#undef HAS_GROUP
3270#define FAKE_BIT_BUCKET
3271#endif
3272
d10dc2ae
JH		 3273/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3274 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3275 * defined by Configure, despite their names being similar to the
3276 * other defines like USE_ITHREADS. Configure in fact knows nothing
3277 * about the randomised hashes. Therefore to enable/disable the hash
3278 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3279#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3280# define USE_HASH_SEED
504f80c1
JH		 3281#endif
3282
598921a7
NC		 3283/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3284 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3285 * it's not really needed.
3286 */
3287#if defined(WIN32)
3288# define YYTOKENTYPE
3289#endif
3290#include "perly.h"
3291
3292#ifdef PERL_MAD
3293struct nexttoken {
3294 YYSTYPE next_val; /* value of next token, if any */
3295 I32 next_type; /* type of next token */
3296 MADPROP *next_mad; /* everything else about that token */
3297};
3298#endif
3299
654eccd5
JD		 3300/* macros to define bit-fields in structs. */
3301#ifndef PERL_BITFIELD8
3302# define PERL_BITFIELD8 unsigned
3303#endif
3304#ifndef PERL_BITFIELD16
3305# define PERL_BITFIELD16 unsigned
3306#endif
3307#ifndef PERL_BITFIELD32
3308# define PERL_BITFIELD32 unsigned
3309#endif
3310
79072805 3311#include "sv.h"
288b8c02 3312#include "regexp.h"
378cc40b 3313#include "util.h"
8d063cd8 3314#include "form.h"
79072805 3315#include "gv.h"
dd2155a4 3316#include "pad.h"
79072805 3317#include "cv.h"
abdd5c84 3318#include "opnames.h"
79072805 3319#include "op.h"
b3ca2e83 3320#include "hv.h"
79072805
LW		 3321#include "cop.h"
3322#include "av.h"
79072805
LW		 3323#include "mg.h"
3324#include "scope.h"
4438c4b7 3325#include "warnings.h"
a0ed51b3 3326#include "utf8.h"
8d063cd8 3327
0d7d409d
DM		 3328/* these would be in doio.h if there was such a file */
3329#define my_stat() my_stat_flags(SV_GMAGIC)
3330#define my_lstat() my_lstat_flags(SV_GMAGIC)
3331
20f4945e 3332/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM		 3333#undef _XPV_HEAD
3334#undef _XPVMG_HEAD
3335#undef _XPVCV_COMMON
7fae4e64
GS		 3336
3337typedef struct _sublex_info SUBLEXINFO;
3338struct _sublex_info {
651b5b28
NC		 3339 U8 super_state; /* lexer state to save */
3340 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3341 OP *sub_op; /* "lex_op" to use */
7cc34111 3342 SV *repl; /* replacement of s/// or y/// */
7fae4e64
GS		 3343};
3344
199e78b7
DM		 3345#include "parser.h"
3346
455ece5e 3347typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3348
2260ab51
KW		 3349#if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_REGEXEC_C)
3350
3351/* These have to be predeclared, as they are used in proto.h which is #included
3352 * before their definitions in regcomp.h. */
3353
3354struct scan_data_t;
7dcac5f6
KW		 3355typedef struct regnode_charclass regnode_charclass;
3356
2260ab51 3357struct regnode_charclass_class;
d1d040e5
KW		 3358
3359/* A hopefully less confusing name. The sub-classes are all Posix classes only
3360 * used under /l matching */
3361typedef struct regnode_charclass_class regnode_charclass_posixl;
3362
b8f7bb16 3363typedef struct regnode_ssc regnode_ssc;
09b2b2e6
KW		 3364typedef struct RExC_state_t RExC_state_t;
3365struct _reg_trie_data;
76e3520e 3366
2260ab51
KW		 3367#endif
3368
5f7fde29
GS		 3369struct ptr_tbl_ent {
3370 struct ptr_tbl_ent* next;
53c1dcc0 3371 const void* oldval;
5f7fde29 3372 void* newval;
d18c6117
GS		 3373};
3374
5f7fde29
GS		 3375struct ptr_tbl {
3376 struct ptr_tbl_ent** tbl_ary;
3377 UV tbl_max;
3378 UV tbl_items;
db93c0c4
NC		 3379 struct ptr_tbl_arena *tbl_arena;
3380 struct ptr_tbl_ent *tbl_arena_next;
3381 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS		 3382};
3383
fe14fcc3
LW		 3384#if defined(htonl) && !defined(HAS_HTONL)
3385#define HAS_HTONL
ae986130 3386#endif
fe14fcc3
LW		 3387#if defined(htons) && !defined(HAS_HTONS)
3388#define HAS_HTONS
ae986130 3389#endif
fe14fcc3
LW		 3390#if defined(ntohl) && !defined(HAS_NTOHL)
3391#define HAS_NTOHL
ae986130 3392#endif
fe14fcc3
LW		 3393#if defined(ntohs) && !defined(HAS_NTOHS)
3394#define HAS_NTOHS
ae986130 3395#endif
fe14fcc3 3396#ifndef HAS_HTONL
fe14fcc3
LW		 3397#define HAS_HTONS
3398#define HAS_HTONL
3399#define HAS_NTOHS
3400#define HAS_NTOHL
8e2d7c44
NC		 3401# if (BYTEORDER & 0xffff) == 0x4321
3402/* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3403 re-order their values. However, to behave identically to the alternative
3404 implementations, they should truncate to the correct size. */
3405# define ntohl(x) ((x)&0xFFFFFFFF)
3406# define htonl(x) ntohl(x)
3407# define ntohs(x) ((x)&0xFFFF)
3408# define htons(x) ntohs(x)
e4b03fed
NC		 3409# elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3410
3411/* Note that we can't straight out declare our own htonl and htons because
3412 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
3413 to avoid the overhead of initialising the socket subsystem, but the headers
3414 that *declare* the various functions are still seen. If we declare our own
3415 htonl etc they will clash with the declarations in the Win32 headers. */
3416
3417PERL_STATIC_INLINE U32
3418my_swap32(const U32 x) {
3419 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
3420 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
3421}
3422
3423PERL_STATIC_INLINE U16
3424my_swap16(const U16 x) {
3425 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
3426}
3427
3428# define htonl(x) my_swap32(x)
3429# define ntohl(x) my_swap32(x)
3430# define ntohs(x) my_swap16(x)
3431# define htons(x) my_swap16(x)
8e2d7c44 3432# else
691a44df
NC		 3433# error "Unsupported byteorder"
3434/* The C pre-processor doesn't let us return the value of BYTEORDER as part of
3435 the error message. Please check the value of the macro BYTEORDER, as defined
3436 in config.h. The values of BYTEORDER we expect are
3437
3438 big endian little endian
3439 32 bit 0x4321 0x1234
3440 64 bit 0x87654321 0x12345678
3441
3442 If you have a system with a different byte order, please see
3443 pod/perlhack.pod for how to submit a patch to add supporting code.
3444*/
3445# endif
a687059c
LW		 3446#endif
3447
988174c1
LW		 3448/*
3449 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3450 * -DWS
3451 */
5ae72479 3452#if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
260c6fee
NC		 3453/* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
3454 re-order their values. However, to behave identically to the alternative
3455 implementations, they should truncate to the correct size. */
3456# define vtohl(x) ((x)&0xFFFFFFFF)
3457# define vtohs(x) ((x)&0xFFFF)
3458# define htovl(x) vtohl(x)
3459# define htovs(x) vtohs(x)
545872c5 3460#elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3461# define vtohl(x) ((((x)&0xFF)<<24) \
3462 +(((x)>>24)&0xFF) \
3463 +(((x)&0x0000FF00)<<8) \
3464 +(((x)&0x00FF0000)>>8) )
3465# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3466# define htovl(x) vtohl(x)
3467# define htovs(x) vtohs(x)
545872c5
NC		 3468#else
3469# error "Unsupported byteorder"
3470/* If you have need for current perl on PDP-11 or similar, and can help test
3471 that blead keeps working on a mixed-endian system, then see
3472 pod/perlhack.pod for how to submit patches to things working again. */
2a8c3029 3473#endif
988174c1 3474
3bb7c1b4
JH		 3475/* *MAX Plus 1. A floating point value.
3476 Hopefully expressed in a way that dodgy floating point can't mess up.
3477 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3478 is added to it
3479 May find that some broken compiler will want the value cast to I32.
3480 [after the shift, as signed >> may not be as secure as unsigned >>]
3481*/
3482#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3483#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3484/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3485 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3486 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3487*/
3488#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3489
3bb7c1b4
JH		 3490#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3491#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3492#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3493
3494/* This may look like unnecessary jumping through hoops, but converting
3495 out of range floating point values to integers *is* undefined behaviour,
3496 and it is starting to bite.
3497*/
3498#ifndef CAST_INLINE
65202027 3499#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3500#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3501#define I_V(what) (cast_iv((NV)(what)))
3502#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3503#else
3504#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3505 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3506 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3507#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3508 : ((n) < U32_MAX_P1 ? (U32) (n) \
3509 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
5d9574c1
DM		 3510#define I_V(n) (LIKELY((n) < IV_MAX_P1) ? (UNLIKELY((n) < IV_MIN) ? IV_MIN : (IV) (n)) \
3511 : (LIKELY((n) < UV_MAX_P1) ? (IV)(UV) (n) \
3bb7c1b4 3512 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
5d9574c1
DM		 3513#define U_V(n) ((n) < 0.0 ? (UNLIKELY((n) < IV_MIN) ? (UV) IV_MIN : (UV)(IV) (n)) \
3514 : (LIKELY((n) < UV_MAX_P1) ? (UV) (n) \
3bb7c1b4
JH		 3515 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3516#endif
3517
3518#define U_S(what) ((U16)U_32(what))
3519#define U_I(what) ((unsigned int)U_32(what))
3520#define U_L(what) U_32(what)
ed6116ce 3521
ed140128
AD		 3522#ifdef HAS_SIGNBIT
3523# define Perl_signbit signbit
3524#endif
3525
2d4389e4
JH		 3526/* These do not care about the fractional part, only about the range. */
3527#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3528#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3529
25da4f38
IZ		 3530/* Used with UV/IV arguments: */
3531 /* XXXX: need to speed it up */
3532#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3533#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3534
352d5a3a
LW		 3535#ifndef MAXSYSFD
3536# define MAXSYSFD 2
3537#endif
ee0007ab 3538
79072805 3539#ifndef __cplusplus
e37d7e38 3540#if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3541Uid_t getuid (void);
3542Uid_t geteuid (void);
3543Gid_t getgid (void);
3544Gid_t getegid (void);
79072805 3545#endif
e1caacb4 3546#endif
8d063cd8 3547
0c30d9ec 3548#ifndef Perl_debug_log
bf49b057
GS		 3549# define Perl_debug_log PerlIO_stderr()
3550#endif
3551
3552#ifndef Perl_error_log
3553# define Perl_error_log (PL_stderrgv \
6b78add2 3554 && isGV(PL_stderrgv) \
01bb7c6d 3555 && GvIOp(PL_stderrgv) \
42de951c 3556 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3557 ? IoOFP(GvIOp(PL_stderrgv)) \
3558 : PerlIO_stderr())
0c30d9ec 3559#endif
3967c732 3560
aea4f609
DM		 3561
3562#define DEBUG_p_FLAG 0x00000001 /* 1 */
3563#define DEBUG_s_FLAG 0x00000002 /* 2 */
3564#define DEBUG_l_FLAG 0x00000004 /* 4 */
3565#define DEBUG_t_FLAG 0x00000008 /* 8 */
3566#define DEBUG_o_FLAG 0x00000010 /* 16 */
3567#define DEBUG_c_FLAG 0x00000020 /* 32 */
3568#define DEBUG_P_FLAG 0x00000040 /* 64 */
3569#define DEBUG_m_FLAG 0x00000080 /* 128 */
3570#define DEBUG_f_FLAG 0x00000100 /* 256 */
3571#define DEBUG_r_FLAG 0x00000200 /* 512 */
3572#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3573#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3574/* U is reserved for Unofficial, exploratory hacking */
3575#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3576#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3577#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3578#define DEBUG_D_FLAG 0x00008000 /* 32768 */
56967202 3579#define DEBUG_S_FLAG 0x00010000 /* 65536 */
aea4f609 3580#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3581#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3582#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3583#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3584#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3585#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3586#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 3587#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3588#define DEBUG_B_FLAG 0x02000000 /*33554432*/
69014004
KW		 3589#define DEBUG_L_FLAG 0x04000000 /*67108864*/
3590#define DEBUG_MASK 0x07FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3591
3592#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3593#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3594 that something was done? */
aea4f609 3595
bd16a5f0
IZ		 3596# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3597# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3598# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3599# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3600# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3601# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3602# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3603# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3604# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3605# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3606# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3607# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3608# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3609# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3610# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3611# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
56967202 3612# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
bd16a5f0
IZ		 3613# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3614# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3615# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3616# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3617# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3618# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3619# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3620# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3621# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
69014004 3622# define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG)
dd2155a4 3623# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3624# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3625# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3626
3967c732 3627#ifdef DEBUGGING
aea4f609 3628
bd16a5f0
IZ		 3629# define DEBUG_p_TEST DEBUG_p_TEST_
3630# define DEBUG_s_TEST DEBUG_s_TEST_
3631# define DEBUG_l_TEST DEBUG_l_TEST_
3632# define DEBUG_t_TEST DEBUG_t_TEST_
3633# define DEBUG_o_TEST DEBUG_o_TEST_
3634# define DEBUG_c_TEST DEBUG_c_TEST_
3635# define DEBUG_P_TEST DEBUG_P_TEST_
3636# define DEBUG_m_TEST DEBUG_m_TEST_
3637# define DEBUG_f_TEST DEBUG_f_TEST_
3638# define DEBUG_r_TEST DEBUG_r_TEST_
3639# define DEBUG_x_TEST DEBUG_x_TEST_
3640# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3641# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3642# define DEBUG_H_TEST DEBUG_H_TEST_
3643# define DEBUG_X_TEST DEBUG_X_TEST_
3644# define DEBUG_D_TEST DEBUG_D_TEST_
56967202 3645# define DEBUG_S_TEST DEBUG_S_TEST_
bd16a5f0
IZ		 3646# define DEBUG_T_TEST DEBUG_T_TEST_
3647# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3648# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3649# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3650# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3651# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3652# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3653# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3654# define DEBUG_B_TEST DEBUG_B_TEST_
69014004 3655# define DEBUG_L_TEST DEBUG_L_TEST_
7949c6f5
JC		 3656# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3657# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3658# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3659
488b0c7a
JH		 3660# define PERL_DEB(a) a
3661# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3662# define DEBUG_p(a) if (DEBUG_p_TEST) a
3663# define DEBUG_s(a) if (DEBUG_s_TEST) a
3664# define DEBUG_l(a) if (DEBUG_l_TEST) a
3665# define DEBUG_t(a) if (DEBUG_t_TEST) a
3666# define DEBUG_o(a) if (DEBUG_o_TEST) a
3667# define DEBUG_c(a) if (DEBUG_c_TEST) a
3668# define DEBUG_P(a) if (DEBUG_P_TEST) a
3669
969058bb
VK		 3670 /* Temporarily turn off memory debugging in case the a
3671 * does memory allocation, either directly or indirectly. */
acfe0abc 3672# define DEBUG_m(a) \
0b250b9e 3673 STMT_START { \
aea4f609 3674 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3675 } STMT_END
aea4f609 3676
5f80b19c
AMS		 3677# define DEBUG__(t, a) \
3678 STMT_START { \
3679 if (t) STMT_START {a;} STMT_END; \
3680 } STMT_END
3681
3682# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3683#ifndef PERL_EXT_RE_BUILD
5f80b19c 3684# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3685#else
3686# define DEBUG_r(a) STMT_START {a;} STMT_END
3687#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3688# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3689# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3690# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3691# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3692# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3693# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3694# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3695# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3696# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3697
56967202 3698# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
5f80b19c
AMS		 3699# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3700# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3701# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3702# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3703# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3704# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3705# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3706# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
69014004 3707# define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
aea4f609
DM		 3708
3709#else /* DEBUGGING */
3710
3711# define DEBUG_p_TEST (0)
3712# define DEBUG_s_TEST (0)
3713# define DEBUG_l_TEST (0)
3714# define DEBUG_t_TEST (0)
3715# define DEBUG_o_TEST (0)
3716# define DEBUG_c_TEST (0)
3717# define DEBUG_P_TEST (0)
3718# define DEBUG_m_TEST (0)
3719# define DEBUG_f_TEST (0)
3720# define DEBUG_r_TEST (0)
3721# define DEBUG_x_TEST (0)
3722# define DEBUG_u_TEST (0)
88d2d28a 3723# define DEBUG_U_TEST (0)
aea4f609
DM		 3724# define DEBUG_H_TEST (0)
3725# define DEBUG_X_TEST (0)
3726# define DEBUG_D_TEST (0)
56967202 3727# define DEBUG_S_TEST (0)
aea4f609 3728# define DEBUG_T_TEST (0)
04932ac8 3729# define DEBUG_R_TEST (0)
1045810a 3730# define DEBUG_J_TEST (0)
d6721266 3731# define DEBUG_v_TEST (0)
46187eeb 3732# define DEBUG_C_TEST (0)
ecae49c0
NC		 3733# define DEBUG_A_TEST (0)
3734# define DEBUG_q_TEST (0)
d7c0d282 3735# define DEBUG_M_TEST (0)
cc8773c0 3736# define DEBUG_B_TEST (0)
69014004 3737# define DEBUG_L_TEST (0)
7949c6f5
JC		 3738# define DEBUG_Xv_TEST (0)
3739# define DEBUG_Uv_TEST (0)
ad9e76a8 3740# define DEBUG_Pv_TEST (0)
aea4f609 3741
488b0c7a
JH		 3742# define PERL_DEB(a)
3743# define PERL_DEBUG(a)
aea4f609
DM		 3744# define DEBUG_p(a)
3745# define DEBUG_s(a)
3746# define DEBUG_l(a)
3747# define DEBUG_t(a)
3748# define DEBUG_o(a)
3749# define DEBUG_c(a)
3750# define DEBUG_P(a)
3751# define DEBUG_m(a)
3752# define DEBUG_f(a)
3753# define DEBUG_r(a)
3754# define DEBUG_x(a)
3755# define DEBUG_u(a)
88d2d28a 3756# define DEBUG_U(a)
aea4f609
DM		 3757# define DEBUG_H(a)
3758# define DEBUG_X(a)
3759# define DEBUG_D(a)
56967202 3760# define DEBUG_S(a)
aea4f609 3761# define DEBUG_T(a)
04932ac8 3762# define DEBUG_R(a)
d6721266 3763# define DEBUG_v(a)
46187eeb 3764# define DEBUG_C(a)
ecae49c0
NC		 3765# define DEBUG_A(a)
3766# define DEBUG_q(a)
d7c0d282 3767# define DEBUG_M(a)
cc8773c0 3768# define DEBUG_B(a)
69014004 3769# define DEBUG_L(a)
7949c6f5
JC		 3770# define DEBUG_Xv(a)
3771# define DEBUG_Uv(a)
ad9e76a8 3772# define DEBUG_Pv(a)
aea4f609
DM		 3773#endif /* DEBUGGING */
3774
3775
b4ab917c 3776#define DEBUG_SCOPE(where) \
d9f81b50 3777 DEBUG_l( \
1c98cc53
DM		 3778 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
3779 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
d9f81b50 3780 __FILE__, __LINE__));
b4ab917c 3781
de84dc04 3782/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3783 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3784
de84dc04 3785#define Perl_assert(what) PERL_DEB( \
2b057284 3786 ((what) ? ((void) 0) : \
67eb4d30 3787 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3788 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3789 (void) 0)))
de84dc04
NC		 3790
3791#ifndef assert
3792# define assert(what) Perl_assert(what)
a446a88f 3793#endif
c7724415
FC		 3794#ifdef DEBUGGING
3795# define assert_(what) assert(what),
3796#else
3797# define assert_(what)
3798#endif
8d063cd8 3799
450a55e4 3800struct ufuncs {
24f81a43
DM		 3801 I32 (*uf_val)(pTHX_ IV, SV*);
3802 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3803 IV uf_index;
450a55e4
LW		 3804};
3805
14befaf4 3806/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3807 * XS code wanting to be backward compatible can do something
3808 * like the following:
c745e42c 3809
24f81a43 3810#ifndef PERL_MG_UFUNC
24f81a43
DM		 3811#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3812#endif
3813
3814static PERL_MG_UFUNC(foo_get, index, val)
3815{
3816 sv_setsv(val, ...);
3817 return TRUE;
3818}
3819
3820-- Doug MacEachern
3821
3822*/
3823
fc9c74e6 3824#ifndef PERL_MG_UFUNC
24f81a43 3825#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3826#endif
24f81a43 3827
fe14fcc3 3828/* Fix these up for __STDC__ */
68dc0745 3829#ifndef DONT_DECLARE_STD
20ce7b12 3830char *mktemp (char*);
37bd1396 3831#ifndef atof
20ce7b12 3832double atof (const char*);
a0d0e21e 3833#endif
37bd1396 3834#endif
79072805 3835
352d5a3a 3836#ifndef STANDARD_C
fe14fcc3 3837/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3838Time_t time();
8d063cd8 3839struct tm *gmtime(), *localtime();
043fec90 3840#if defined(OEMVS)
9d116dd7
JH		 3841char *(strchr)(), *(strrchr)();
3842char *(strcpy)(), *(strcat)();
3843#else
93a17b20 3844char *strchr(), *strrchr();
378cc40b 3845char *strcpy(), *strcat();
9d116dd7 3846#endif
352d5a3a 3847#endif /* ! STANDARD_C */
8d063cd8 3848
79072805
LW		 3849
3850#ifdef I_MATH
3851# include <math.h>
3852#else
32f822de 3853START_EXTERN_C
20ce7b12
GS		 3854 double exp (double);
3855 double log (double);
3856 double log10 (double);
3857 double sqrt (double);
3858 double frexp (double,int*);
3859 double ldexp (double,int);
3860 double modf (double,double*);
3861 double sin (double);
3862 double cos (double);
3863 double atan2 (double,double);
3864 double pow (double,double);
32f822de 3865END_EXTERN_C
79072805
LW		 3866#endif
3867
aa8b85de
JH		 3868#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3869# define NV_INF LDBL_INFINITY
3870#endif
3871#if !defined(NV_INF) && defined(DBL_INFINITY)
3872# define NV_INF (NV)DBL_INFINITY
3873#endif
3874#if !defined(NV_INF) && defined(INFINITY)
3875# define NV_INF (NV)INFINITY
3876#endif
3877#if !defined(NV_INF) && defined(INF)
3878# define NV_INF (NV)INF
3879#endif
3880#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3881# define NV_INF (NV)HUGE_VALL
3882#endif
3883#if !defined(NV_INF) && defined(HUGE_VAL)
3884# define NV_INF (NV)HUGE_VAL
3885#endif
3886
3887#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3888# if !defined(NV_NAN) && defined(LDBL_NAN)
3889# define NV_NAN LDBL_NAN
3890# endif
3891# if !defined(NV_NAN) && defined(LDBL_QNAN)
3892# define NV_NAN LDBL_QNAN
3893# endif
3894# if !defined(NV_NAN) && defined(LDBL_SNAN)
3895# define NV_NAN LDBL_SNAN
3896# endif
3897#endif
3898#if !defined(NV_NAN) && defined(DBL_NAN)
3899# define NV_NAN (NV)DBL_NAN
3900#endif
3901#if !defined(NV_NAN) && defined(DBL_QNAN)
3902# define NV_NAN (NV)DBL_QNAN
3903#endif
3904#if !defined(NV_NAN) && defined(DBL_SNAN)
3905# define NV_NAN (NV)DBL_SNAN
3906#endif
3907#if !defined(NV_NAN) && defined(QNAN)
3908# define NV_NAN (NV)QNAN
3909#endif
3910#if !defined(NV_NAN) && defined(SNAN)
3911# define NV_NAN (NV)SNAN
3912#endif
3913#if !defined(NV_NAN) && defined(NAN)
3914# define NV_NAN (NV)NAN
3915#endif
3916
a0d0e21e 3917#ifndef __cplusplus
f05550c0 3918# if !defined(WIN32) && !defined(VMS)
10bc17b6 3919#ifndef crypt
20ce7b12 3920char *crypt (const char*, const char*);
10bc17b6 3921#endif
f05550c0 3922# endif /* !WIN32 */
26618a56
GS		 3923# ifndef DONT_DECLARE_STD
3924# ifndef getenv
20ce7b12 3925char *getenv (const char*);
26618a56 3926# endif /* !getenv */
739a0b84 3927# if !defined(HAS_LSEEK_PROTO) && !defined(__hpux)
0fc67700 3928# ifdef _FILE_OFFSET_BITS
28ca6303 3929# if _FILE_OFFSET_BITS == 64
20ce7b12 3930Off_t lseek (int,Off_t,int);
0fc67700
JH		 3931# endif
3932# endif
bf0c440f 3933# endif
26618a56 3934# endif /* !DONT_DECLARE_STD */
e37d7e38
SH		 3935# ifndef WIN32
3936# ifndef getlogin
20ce7b12 3937char *getlogin (void);
e37d7e38
SH		 3938# endif
3939# endif /* !WIN32 */
26618a56 3940#endif /* !__cplusplus */
79072805 3941
7a7fd8e0
JM		 3942/* Fixme on VMS. This needs to be a run-time, not build time options */
3943/* Also rename() is affected by this */
16d20bd9 3944#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3945#define UNLINK unlnk
083639a9 3946I32 unlnk (pTHX_ const char*);
8d063cd8 3947#else
80252599 3948#define UNLINK PerlLIO_unlink
8d063cd8 3949#endif
a687059c 3950
fa0a29af
JH		 3951/* some versions of glibc are missing the setresuid() proto */
3952#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3953int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3954#endif
fa0a29af
JH		 3955/* some versions of glibc are missing the setresgid() proto */
3956#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3957int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3958#endif
3959
fe14fcc3 3960#ifndef HAS_SETREUID
85e6fe83
LW		 3961# ifdef HAS_SETRESUID
3962# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3963# define HAS_SETREUID
3964# endif
a687059c 3965#endif
fe14fcc3 3966#ifndef HAS_SETREGID
85e6fe83
LW		 3967# ifdef HAS_SETRESGID
3968# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3969# define HAS_SETREGID
3970# endif
a687059c 3971#endif
ee0007ab 3972
d543acb6 3973/* Sighandler_t defined in iperlsys.h */
ff68c719 3974
3975#ifdef HAS_SIGACTION
3976typedef struct sigaction Sigsave_t;
3977#else
3978typedef Sighandler_t Sigsave_t;
3979#endif
3980
ee0007ab
LW		 3981#define SCAN_DEF 0
3982#define SCAN_TR 1
3983#define SCAN_REPL 2
79072805
LW		 3984
3985#ifdef DEBUGGING
4633a7c4 3986# ifndef register
a0d0e21e
LW		 3987# define register
3988# endif
cea2e8a9 3989# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3990#else
cea2e8a9 3991# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 3992#endif
3993
97cb92d6 3994#if defined(USE_PERLIO)
0934c9d9 3995EXTERN_C void PerlIO_teardown(void);
2f44961c 3996# ifdef USE_ITHREADS
6cb8cb21
RGS		 3997# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
3998# define PERLIO_TERM \
3999 STMT_START { \
d0820ef1 4000 PerlIO_teardown(); \
6cb8cb21
RGS		 4001 MUTEX_DESTROY(&PL_perlio_mutex);\
4002 } STMT_END
4003# else
4004# define PERLIO_INIT
d0820ef1 4005# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 4006# endif
6b29934b
NC		 4007#else
4008# define PERLIO_INIT
4009# define PERLIO_TERM
6cb8cb21
RGS		 4010#endif
4011
18f739ee 4012#ifdef MYMALLOC
772fe5b3 4013# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 4014# define MALLOC_INIT \
4015 STMT_START { \
4016 PL_malloc_mutex = NULL; \
4017 MUTEX_INIT(&PL_malloc_mutex); \
4018 } STMT_END
4019# define MALLOC_TERM \
4020 STMT_START { \
4021 perl_mutex tmp = PL_malloc_mutex; \
4022 PL_malloc_mutex = NULL; \
4023 MUTEX_DESTROY(&tmp); \
4024 } STMT_END
4025# else
4026# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4027# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4028# endif
18f739ee
IZ		 4029#else
4030# define MALLOC_INIT
4031# define MALLOC_TERM
4032#endif
4033
cd1541b2 4034#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 4035
4036struct perl_memory_debug_header;
cd1541b2
NC		 4037struct perl_memory_debug_header {
4038 tTHX interpreter;
b001a0d1 4039# if defined(PERL_POISON) || defined(PERL_DEBUG_READONLY_COW)
cd1541b2 4040 MEM_SIZE size;
cd1541b2 4041# endif
7cb608b5
NC		 4042 struct perl_memory_debug_header *prev;
4043 struct perl_memory_debug_header *next;
b001a0d1
FC		 4044# ifdef PERL_DEBUG_READONLY_COW
4045 bool readonly;
4046# endif
4047};
4048
4049#elif defined(PERL_DEBUG_READONLY_COW)
4050
4051struct perl_memory_debug_header;
4052struct perl_memory_debug_header {
4053 MEM_SIZE size;
cd1541b2
NC		 4054};
4055
b001a0d1
FC		 4056#endif
4057
60175f94 4058#if defined (PERL_TRACK_MEMPOOL) || defined (PERL_DEBUG_READONLY_COW)
b001a0d1 4059
a78adc84
DM		 4060# define PERL_MEMORY_DEBUG_HEADER_SIZE \
4061 (sizeof(struct perl_memory_debug_header) + \
cd1541b2
NC		 4062 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4063 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4064
d8fca402 4065#else
a78adc84 4066# define PERL_MEMORY_DEBUG_HEADER_SIZE 0
cd1541b2
NC		 4067#endif
4068
7cb608b5 4069#ifdef PERL_TRACK_MEMPOOL
b001a0d1 4070# ifdef PERL_DEBUG_READONLY_COW
7cb608b5
NC		 4071# define INIT_TRACK_MEMPOOL(header, interp) \
4072 STMT_START { \
4073 (header).interpreter = (interp); \
4074 (header).prev = (header).next = &(header); \
b001a0d1 4075 (header).readonly = 0; \
7cb608b5 4076 } STMT_END
b001a0d1
FC		 4077# else
4078# define INIT_TRACK_MEMPOOL(header, interp) \
4079 STMT_START { \
4080 (header).interpreter = (interp); \
4081 (header).prev = (header).next = &(header); \
4082 } STMT_END
4083# endif
4084# else
7cb608b5
NC		 4085# define INIT_TRACK_MEMPOOL(header, interp)
4086#endif
4087
1cd66f7c
DD		 4088#ifdef I_MALLOCMALLOC
4089/* Needed for malloc_size(), malloc_good_size() on some systems */
4090# include <malloc/malloc.h>
4091#endif
4092
ca7c1a29
NC		 4093#ifdef MYMALLOC
4094# define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
cfe52898 4095#else
b001a0d1 4096# if defined(HAS_MALLOC_SIZE) && !defined(PERL_DEBUG_READONLY_COW)
e82be400 4097# ifdef PERL_TRACK_MEMPOOL
cfe52898 4098# define Perl_safesysmalloc_size(where) \
a78adc84 4099 (malloc_size(((char *)(where)) - PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
e82be400
NC		 4100# else
4101# define Perl_safesysmalloc_size(where) malloc_size(where)
4102# endif
4103# endif
4104# ifdef HAS_MALLOC_GOOD_SIZE
4105# ifdef PERL_TRACK_MEMPOOL
d8fca402 4106# define Perl_malloc_good_size(how_much) \
a78adc84 4107 (malloc_good_size((how_much) + PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
e82be400
NC		 4108# else
4109# define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4110# endif
4111# else
d8fca402
NC		 4112/* Having this as the identity operation makes some code simpler. */
4113# define Perl_malloc_good_size(how_much) (how_much)
e82be400 4114# endif
ca7c1a29 4115#endif
b6d9d515 4116
16c91539
BM		 4117typedef int (*runops_proc_t)(pTHX);
4118typedef void (*share_proc_t) (pTHX_ SV *sv);
4119typedef int (*thrhook_proc_t) (pTHX);
4120typedef OP* (*PPADDR_t[]) (pTHX);
4121typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4122typedef void (*despatch_signals_proc_t) (pTHX);
22c35a8c 4123
f05550c0
BF		 4124#if defined(__DYNAMIC__) && defined(PERL_DARWIN) && defined(PERL_CORE)
4125# include <crt_externs.h> /* for the env array */
4126# define environ (*_NSGetEnviron())
8f1f23e8
W		 4127#else
4128 /* VMS and some other platforms don't use the environ array */
13b6e58c 4129# ifdef USE_ENVIRON_ARRAY
a6c40364 4130# if !defined(DONT_DECLARE_STD) || \
bdea967c 4131 (defined(__svr4__) && defined(__GNUC__) && defined(__sun)) || \
8d87852b 4132 defined(__sgi)
8f1f23e8 4133extern char ** environ; /* environment variables supplied via exec */
a6c40364 4134# endif
8f1f23e8
W		 4135# endif
4136#endif
79072805 4137
457c5385
NC		 4138#define PERL_PATCHLEVEL_H_IMPLICIT
4139#include "patchlevel.h"
4140#undef PERL_PATCHLEVEL_H_IMPLICIT
4141
4142#define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4143 STRINGIFY(PERL_VERSION) "." \
4144 STRINGIFY(PERL_SUBVERSION)
4145
4146#define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4147 STRINGIFY(PERL_API_VERSION) "." \
4148 STRINGIFY(PERL_API_SUBVERSION)
4149
73c4f7a1
GS		 4150START_EXTERN_C
4151
79072805 4152/* handy constants */
22c35a8c 4153EXTCONST char PL_warn_uninit[]
29489e7c 4154 INIT("Use of uninitialized value%s%s%s");
fef7e7a0 4155EXTCONST char PL_warn_uninit_sv[]
61608bb7 4156 INIT("Use of uninitialized value%" SVf "%s%s");
22c35a8c 4157EXTCONST char PL_warn_nosemi[]
463ee0b2 4158 INIT("Semicolon seems to be missing");
22c35a8c 4159EXTCONST char PL_warn_reserved[]
463ee0b2 4160 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4161EXTCONST char PL_warn_nl[]
93a17b20 4162 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4163EXTCONST char PL_no_wrongref[]
a0d0e21e 4164 INIT("Can't use %s ref as %s ref");
def89bff
NC		 4165/* The core no longer needs these here. If you require the string constant,
4166 please inline a copy into your own code. */
973a7615
NC		 4167EXTCONST char PL_no_symref[] __attribute__deprecated__
4168 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
def89bff
NC		 4169EXTCONST char PL_no_symref_sv[] __attribute__deprecated__
4170 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 4171EXTCONST char PL_no_usym[]
8990e307 4172 INIT("Can't use an undefined value as %s reference");
22c35a8c 4173EXTCONST char PL_no_aelem[]
93a17b20 4174 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4175EXTCONST char PL_no_helem_sv[]
61608bb7 4176 INIT("Modification of non-creatable hash value attempted, subscript \"%" SVf "\"");
22c35a8c 4177EXTCONST char PL_no_modify[]
93a17b20 4178 INIT("Modification of a read-only value attempted");
4cbe3a7d 4179EXTCONST char PL_no_mem[sizeof("Out of memory!\n")]
93a17b20 4180 INIT("Out of memory!\n");
22c35a8c 4181EXTCONST char PL_no_security[]
463ee0b2 4182 INIT("Insecure dependency in %s%s");
22c35a8c 4183EXTCONST char PL_no_sock_func[]
93a17b20 4184 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4185EXTCONST char PL_no_dir_func[]
93a17b20 4186 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4187EXTCONST char PL_no_func[]
93a17b20 4188 INIT("The %s function is unimplemented");
22c35a8c 4189EXTCONST char PL_no_myglob[]
952306ac 4190 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 4191EXTCONST char PL_no_localize_ref[]
4192 INIT("Can't localize through a reference");
27d5b266
JH		 4193EXTCONST char PL_memory_wrap[]
4194 INIT("panic: memory wrap");
93a17b20 4195
58f645e2
NC		 4196EXTCONST char PL_Yes[]
4197 INIT("1");
4198EXTCONST char PL_No[]
4199 INIT("");
4200EXTCONST char PL_hexdigit[]
4201 INIT("0123456789abcdef0123456789ABCDEF");
4202
0447859b
NC		 4203/* This is constant on most architectures, a global on OS/2 */
4204#ifndef OS2
4205EXTCONST char PL_sh_path[]
4206 INIT(SH_PATH); /* full path of shell */
4207#endif
4208
618b9757
NC		 4209#ifdef CSH
4210EXTCONST char PL_cshname[]
4211 INIT(CSH);
4212# define PL_cshlen (sizeof(CSH "") - 1)
4213#endif
4214
457c5385
NC		 4215/* These are baked at compile time into any shared perl library.
4216 In future releases this will allow us in main() to sanity test the
4217 library we're linking against. */
4218
4219EXTCONST U8 PL_revision
4220 INIT(PERL_REVISION);
4221EXTCONST U8 PL_version
4222 INIT(PERL_VERSION);
4223EXTCONST U8 PL_subversion
4224 INIT(PERL_SUBVERSION);
4225
7575fa06 4226EXTCONST char PL_uuemap[65]
80252599
GS		 4227 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4228
79072805 4229#ifdef DOINIT
9444d213 4230EXTCONST char PL_uudmap[256] =
dde5ec2c
NC		 4231# ifdef PERL_MICRO
4232# include "uuudmap.h"
4233# else
4234# include "uudmap.h"
4235# endif
9444d213 4236;
efa50c51 4237EXTCONST char PL_bitcount[256] =
dde5ec2c
NC		 4238# ifdef PERL_MICRO
4239# include "ubitcount.h"
4240#else
4241# include "bitcount.h"
4242# endif
efa50c51 4243;
27da23d5
JH		 4244EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4245EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4246#else
9444d213 4247EXTCONST char PL_uudmap[256];
efa50c51 4248EXTCONST char PL_bitcount[256];
27da23d5
JH		 4249EXTCONST char* const PL_sig_name[];
4250EXTCONST int PL_sig_num[];
79072805
LW		 4251#endif
4252
6d8e7a01
KW		 4253/* fast conversion and case folding tables. The folding tables complement the
4254 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4255 * folds such as outside the range or to multiple characters. */
bbce6d69 4256
79072805 4257#ifdef DOINIT
d02f4dad
KW		 4258#ifndef EBCDIC
4259
4260/* The EBCDIC fold table depends on the code page, and hence is found in
4261 * utfebcdic.h */
4262
22c35a8c 4263EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4264 0, 1, 2, 3, 4, 5, 6, 7,
4265 8, 9, 10, 11, 12, 13, 14, 15,
4266 16, 17, 18, 19, 20, 21, 22, 23,
4267 24, 25, 26, 27, 28, 29, 30, 31,
4268 32, 33, 34, 35, 36, 37, 38, 39,
4269 40, 41, 42, 43, 44, 45, 46, 47,
4270 48, 49, 50, 51, 52, 53, 54, 55,
4271 56, 57, 58, 59, 60, 61, 62, 63,
4272 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4273 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4274 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4275 'x', 'y', 'z', 91, 92, 93, 94, 95,
4276 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4277 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4278 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4279 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4280 128, 129, 130, 131, 132, 133, 134, 135,
4281 136, 137, 138, 139, 140, 141, 142, 143,
4282 144, 145, 146, 147, 148, 149, 150, 151,
4283 152, 153, 154, 155, 156, 157, 158, 159,
4284 160, 161, 162, 163, 164, 165, 166, 167,
4285 168, 169, 170, 171, 172, 173, 174, 175,
4286 176, 177, 178, 179, 180, 181, 182, 183,
4287 184, 185, 186, 187, 188, 189, 190, 191,
4288 192, 193, 194, 195, 196, 197, 198, 199,
4289 200, 201, 202, 203, 204, 205, 206, 207,
4290 208, 209, 210, 211, 212, 213, 214, 215,
4291 216, 217, 218, 219, 220, 221, 222, 223,
4292 224, 225, 226, 227, 228, 229, 230, 231,
4293 232, 233, 234, 235, 236, 237, 238, 239,
4294 240, 241, 242, 243, 244, 245, 246, 247,
4295 248, 249, 250, 251, 252, 253, 254, 255
4296};
3871f40b
KW		 4297EXTCONST unsigned char PL_fold_latin1[] = {
4298 /* Full latin1 complement folding, except for three problematic code points:
4299 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4300 * fold complements outside the Latin1 range, so can't match something
4301 * that isn't in utf8.
4302 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4303 * not one, so can't be represented in this table.
4304 *
4305 * All have to be specially handled */
4306 0, 1, 2, 3, 4, 5, 6, 7,
4307 8, 9, 10, 11, 12, 13, 14, 15,
4308 16, 17, 18, 19, 20, 21, 22, 23,
4309 24, 25, 26, 27, 28, 29, 30, 31,
4310 32, 33, 34, 35, 36, 37, 38, 39,
4311 40, 41, 42, 43, 44, 45, 46, 47,
4312 48, 49, 50, 51, 52, 53, 54, 55,
4313 56, 57, 58, 59, 60, 61, 62, 63,
4314 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4315 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4316 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4317 'x', 'y', 'z', 91, 92, 93, 94, 95,
4318 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4319 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4320 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4321 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4322 128, 129, 130, 131, 132, 133, 134, 135,
4323 136, 137, 138, 139, 140, 141, 142, 143,
4324 144, 145, 146, 147, 148, 149, 150, 151,
4325 152, 153, 154, 155, 156, 157, 158, 159,
4326 160, 161, 162, 163, 164, 165, 166, 167,
4327 168, 169, 170, 171, 172, 173, 174, 175,
4328 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4329 184, 185, 186, 187, 188, 189, 190, 191,
4330 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4331 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4332 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4333 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4334 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4335 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4336 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4337 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4338 255 /* y with diaeresis */
4339};
00f254e2
KW		 4340
4341/* If these tables are accessed through ebcdic, the access will be converted to
4342 * latin1 first */
4343EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4344 0, 1, 2, 3, 4, 5, 6, 7,
4345 8, 9, 10, 11, 12, 13, 14, 15,
4346 16, 17, 18, 19, 20, 21, 22, 23,
4347 24, 25, 26, 27, 28, 29, 30, 31,
4348 32, 33, 34, 35, 36, 37, 38, 39,
4349 40, 41, 42, 43, 44, 45, 46, 47,
4350 48, 49, 50, 51, 52, 53, 54, 55,
4351 56, 57, 58, 59, 60, 61, 62, 63,
4352 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4353 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4354 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4355 'x', 'y', 'z', 91, 92, 93, 94, 95,
4356 96, 97, 98, 99, 100, 101, 102, 103,
4357 104, 105, 106, 107, 108, 109, 110, 111,
4358 112, 113, 114, 115, 116, 117, 118, 119,
4359 120, 121, 122, 123, 124, 125, 126, 127,
4360 128, 129, 130, 131, 132, 133, 134, 135,
4361 136, 137, 138, 139, 140, 141, 142, 143,
4362 144, 145, 146, 147, 148, 149, 150, 151,
4363 152, 153, 154, 155, 156, 157, 158, 159,
4364 160, 161, 162, 163, 164, 165, 166, 167,
4365 168, 169, 170, 171, 172, 173, 174, 175,
4366 176, 177, 178, 179, 180, 181, 182, 183,
4367 184, 185, 186, 187, 188, 189, 190, 191,
4368 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4369 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4370 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4371 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4372 224, 225, 226, 227, 228, 229, 230, 231,
4373 232, 233, 234, 235, 236, 237, 238, 239,
4374 240, 241, 242, 243, 244, 245, 246, 247,
4375 248, 249, 250, 251, 252, 253, 254, 255
4376};
4377
4378/* upper and title case of latin1 characters, modified so that the three tricky
4379 * ones are mapped to 255 (which is one of the three) */
4380EXTCONST unsigned char PL_mod_latin1_uc[] = {
4381 0, 1, 2, 3, 4, 5, 6, 7,
4382 8, 9, 10, 11, 12, 13, 14, 15,
4383 16, 17, 18, 19, 20, 21, 22, 23,
4384 24, 25, 26, 27, 28, 29, 30, 31,
4385 32, 33, 34, 35, 36, 37, 38, 39,
4386 40, 41, 42, 43, 44, 45, 46, 47,
4387 48, 49, 50, 51, 52, 53, 54, 55,
4388 56, 57, 58, 59, 60, 61, 62, 63,
4389 64, 65, 66, 67, 68, 69, 70, 71,
4390 72, 73, 74, 75, 76, 77, 78, 79,
4391 80, 81, 82, 83, 84, 85, 86, 87,
4392 88, 89, 90, 91, 92, 93, 94, 95,
4393 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4394 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4395 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4396 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4397 128, 129, 130, 131, 132, 133, 134, 135,
4398 136, 137, 138, 139, 140, 141, 142, 143,
4399 144, 145, 146, 147, 148, 149, 150, 151,
4400 152, 153, 154, 155, 156, 157, 158, 159,
4401 160, 161, 162, 163, 164, 165, 166, 167,
4402 168, 169, 170, 171, 172, 173, 174, 175,
4403 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4404 184, 185, 186, 187, 188, 189, 190, 191,
4405 192, 193, 194, 195, 196, 197, 198, 199,
4406 200, 201, 202, 203, 204, 205, 206, 207,
4407 208, 209, 210, 211, 212, 213, 214, 215,
4408 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/,
4409 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4410 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4411 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4412 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4413};
1248eb9d 4414#endif /* !EBCDIC, but still in DOINIT */
00f254e2 4415#else /* ! DOINIT */
1248eb9d 4416# ifndef EBCDIC
22c35a8c 4417EXTCONST unsigned char PL_fold[];
3871f40b 4418EXTCONST unsigned char PL_fold_latin1[];
00f254e2
KW		 4419EXTCONST unsigned char PL_mod_latin1_uc[];
4420EXTCONST unsigned char PL_latin1_lc[];
1248eb9d 4421# endif
79072805
LW		 4422#endif
4423
27da23d5 4424#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4425#ifdef DOINIT
27da23d5 4426EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4427 0, 1, 2, 3, 4, 5, 6, 7,
4428 8, 9, 10, 11, 12, 13, 14, 15,
4429 16, 17, 18, 19, 20, 21, 22, 23,
4430 24, 25, 26, 27, 28, 29, 30, 31,
4431 32, 33, 34, 35, 36, 37, 38, 39,
4432 40, 41, 42, 43, 44, 45, 46, 47,
4433 48, 49, 50, 51, 52, 53, 54, 55,
4434 56, 57, 58, 59, 60, 61, 62, 63,
4435 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4436 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4437 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4438 'x', 'y', 'z', 91, 92, 93, 94, 95,
4439 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4440 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4441 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4442 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4443 128, 129, 130, 131, 132, 133, 134, 135,
4444 136, 137, 138, 139, 140, 141, 142, 143,
4445 144, 145, 146, 147, 148, 149, 150, 151,
4446 152, 153, 154, 155, 156, 157, 158, 159,
4447 160, 161, 162, 163, 164, 165, 166, 167,
4448 168, 169, 170, 171, 172, 173, 174, 175,
4449 176, 177, 178, 179, 180, 181, 182, 183,
4450 184, 185, 186, 187, 188, 189, 190, 191,
4451 192, 193, 194, 195, 196, 197, 198, 199,
4452 200, 201, 202, 203, 204, 205, 206, 207,
4453 208, 209, 210, 211, 212, 213, 214, 215,
4454 216, 217, 218, 219, 220, 221, 222, 223,
4455 224, 225, 226, 227, 228, 229, 230, 231,
4456 232, 233, 234, 235, 236, 237, 238, 239,
4457 240, 241, 242, 243, 244, 245, 246, 247,
4458 248, 249, 250, 251, 252, 253, 254, 255
4459};
4460#else
27da23d5 4461EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4462#endif
27da23d5 4463#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4464
4465#ifdef DOINIT
9d116dd7 4466#ifdef EBCDIC
27da23d5 4467EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4468 1, 2, 84, 151, 154, 155, 156, 157,
4469 165, 246, 250, 3, 158, 7, 18, 29,
4470 40, 51, 62, 73, 85, 96, 107, 118,
4471 129, 140, 147, 148, 149, 150, 152, 153,
4472 255, 6, 8, 9, 10, 11, 12, 13,
4473 14, 15, 24, 25, 26, 27, 28, 226,
4474 29, 30, 31, 32, 33, 43, 44, 45,
4475 46, 47, 48, 49, 50, 76, 77, 78,
4476 79, 80, 81, 82, 83, 84, 85, 86,
4477 87, 94, 95, 234, 181, 233, 187, 190,
4478 180, 96, 97, 98, 99, 100, 101, 102,
4479 104, 112, 182, 174, 236, 232, 229, 103,
4480 228, 226, 114, 115, 116, 117, 118, 119,
4481 120, 121, 122, 235, 176, 230, 194, 162,
4482 130, 131, 132, 133, 134, 135, 136, 137,
4483 138, 139, 201, 205, 163, 217, 220, 224,
4484 5, 248, 227, 244, 242, 255, 241, 231,
4485 240, 253, 16, 197, 19, 20, 21, 187,
4486 23, 169, 210, 245, 237, 249, 247, 239,
4487 168, 252, 34, 196, 36, 37, 38, 39,
4488 41, 42, 251, 254, 238, 223, 221, 213,
4489 225, 177, 52, 53, 54, 55, 56, 57,
4490 58, 59, 60, 61, 63, 64, 65, 66,
4491 67, 68, 69, 70, 71, 72, 74, 75,
4492 205, 208, 186, 202, 200, 218, 198, 179,
4493 178, 214, 88, 89, 90, 91, 92, 93,
4494 217, 166, 170, 207, 199, 209, 206, 204,
4495 160, 212, 105, 106, 108, 109, 110, 111,
4496 203, 113, 216, 215, 192, 175, 193, 243,
4497 172, 161, 123, 124, 125, 126, 127, 128,
4498 222, 219, 211, 195, 188, 193, 185, 184,
4499 191, 183, 141, 142, 143, 144, 145, 146
4500};
4501#else /* ascii rather than ebcdic */
22c35a8c 4502EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4503 1, 2, 84, 151, 154, 155, 156, 157,
4504 165, 246, 250, 3, 158, 7, 18, 29,
4505 40, 51, 62, 73, 85, 96, 107, 118,
4506 129, 140, 147, 148, 149, 150, 152, 153,
4507 255, 182, 224, 205, 174, 176, 180, 217,
4508 233, 232, 236, 187, 235, 228, 234, 226,
4509 222, 219, 211, 195, 188, 193, 185, 184,
4510 191, 183, 201, 229, 181, 220, 194, 162,
4511 163, 208, 186, 202, 200, 218, 198, 179,
4512 178, 214, 166, 170, 207, 199, 209, 206,
4513 204, 160, 212, 216, 215, 192, 175, 173,
4514 243, 172, 161, 190, 203, 189, 164, 230,
4515 167, 248, 227, 244, 242, 255, 241, 231,
4516 240, 253, 169, 210, 245, 237, 249, 247,
4517 239, 168, 252, 251, 254, 238, 223, 221,
4518 213, 225, 177, 197, 171, 196, 159, 4,
4519 5, 6, 8, 9, 10, 11, 12, 13,
4520 14, 15, 16, 17, 19, 20, 21, 22,
4521 23, 24, 25, 26, 27, 28, 30, 31,
4522 32, 33, 34, 35, 36, 37, 38, 39,
4523 41, 42, 43, 44, 45, 46, 47, 48,
4524 49, 50, 52, 53, 54, 55, 56, 57,
4525 58, 59, 60, 61, 63, 64, 65, 66,
4526 67, 68, 69, 70, 71, 72, 74, 75,
4527 76, 77, 78, 79, 80, 81, 82, 83,
4528 86, 87, 88, 89, 90, 91, 92, 93,
4529 94, 95, 97, 98, 99, 100, 101, 102,
4530 103, 104, 105, 106, 108, 109, 110, 111,
4531 112, 113, 114, 115, 116, 117, 119, 120,
4532 121, 122, 123, 124, 125, 126, 127, 128,
4533 130, 131, 132, 133, 134, 135, 136, 137,
4534 138, 139, 141, 142, 143, 144, 145, 146
4535};
9d116dd7 4536#endif
79072805 4537#else
22c35a8c 4538EXTCONST unsigned char PL_freq[];
79072805
LW		 4539#endif
4540
b0812ba3
DM		 4541/* Although only used for debugging, these constants must be available in
4542 * non-debugging builds too, since they're used in ext/re/re_exec.c,
4543 * which has DEBUGGING enabled always */
8990e307 4544#ifdef DOINIT
27da23d5 4545EXTCONST char* const PL_block_type[] = {
8990e307 4546 "NULL",
d01136d6 4547 "WHEN",
8990e307 4548 "BLOCK",
0d863452 4549 "GIVEN",
d01136d6
BS		 4550 "LOOP_FOR",
4551 "LOOP_PLAIN",
4552 "LOOP_LAZYSV",
4553 "LOOP_LAZYIV",
76753e7f
NC		 4554 "SUB",
4555 "FORMAT",
4556 "EVAL",
4557 "SUBST"
8990e307
LW		 4558};
4559#else
22c35a8c 4560EXTCONST char* PL_block_type[];
8990e307 4561#endif
8990e307 4562
b75885fd
NC		 4563/* These are all the compile time options that affect binary compatibility.
4564 Other compile time options that are binary compatible are in perl.c
4565 Both are combined for the output of perl -V
4566 However, this string will be embedded in any shared perl library, which will
4567 allow us add a comparison check in perlmain.c in the near future. */
4568#ifdef DOINIT
4569EXTCONST char PL_bincompat_options[] =
4570# ifdef DEBUG_LEAKING_SCALARS
4571 " DEBUG_LEAKING_SCALARS"
4572# endif
4573# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4574 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4575# endif
eba804b9
NC		 4576# ifdef FCRYPT
4577 " FCRYPT"
4578# endif
4579# ifdef HAS_TIMES
4580 " HAS_TIMES"
4581# endif
4582# ifdef HAVE_INTERP_INTERN
426f6eb2 4583 " HAVE_INTERP_INTERN"
eba804b9 4584# endif
b75885fd
NC		 4585# ifdef MULTIPLICITY
4586 " MULTIPLICITY"
4587# endif
4588# ifdef MYMALLOC
4589 " MYMALLOC"
4590# endif
eba804b9
NC		 4591# ifdef PERLIO_LAYERS
4592 " PERLIO_LAYERS"
4593# endif
cb26ef7a
MB		 4594# ifdef PERL_DEBUG_READONLY_COW
4595 " PERL_DEBUG_READONLY_COW"
4596# endif
b75885fd
NC		 4597# ifdef PERL_DEBUG_READONLY_OPS
4598 " PERL_DEBUG_READONLY_OPS"
4599# endif
4600# ifdef PERL_GLOBAL_STRUCT
4601 " PERL_GLOBAL_STRUCT"
4602# endif
4603# ifdef PERL_IMPLICIT_CONTEXT
4604 " PERL_IMPLICIT_CONTEXT"
4605# endif
4606# ifdef PERL_IMPLICIT_SYS
4607 " PERL_IMPLICIT_SYS"
4608# endif
4609# ifdef PERL_MAD
4610 " PERL_MAD"
4611# endif
eba804b9
NC		 4612# ifdef PERL_MICRO
4613 " PERL_MICRO"
4614# endif
b75885fd
NC		 4615# ifdef PERL_NEED_APPCTX
4616 " PERL_NEED_APPCTX"
4617# endif
4618# ifdef PERL_NEED_TIMESBASE
4619 " PERL_NEED_TIMESBASE"
4620# endif
4621# ifdef PERL_OLD_COPY_ON_WRITE
4622 " PERL_OLD_COPY_ON_WRITE"
4623# endif
4624# ifdef PERL_POISON
4625 " PERL_POISON"
4626# endif
5b50f57e
FC		 4627# ifdef PERL_SAWAMPERSAND
4628 " PERL_SAWAMPERSAND"
4629# endif
b75885fd
NC		 4630# ifdef PERL_TRACK_MEMPOOL
4631 " PERL_TRACK_MEMPOOL"
4632# endif
4633# ifdef PERL_USES_PL_PIDSTATUS
4634 " PERL_USES_PL_PIDSTATUS"
4635# endif
b75885fd
NC		 4636# ifdef USE_64_BIT_ALL
4637 " USE_64_BIT_ALL"
4638# endif
4639# ifdef USE_64_BIT_INT
4640 " USE_64_BIT_INT"
4641# endif
c7b392fa
NC		 4642# ifdef USE_IEEE
4643 " USE_IEEE"
4644# endif
b75885fd
NC		 4645# ifdef USE_ITHREADS
4646 " USE_ITHREADS"
4647# endif
4648# ifdef USE_LARGE_FILES
4649 " USE_LARGE_FILES"
4650# endif
eba804b9
NC		 4651# ifdef USE_LOCALE_COLLATE
4652 " USE_LOCALE_COLLATE"
4653# endif
4654# ifdef USE_LOCALE_NUMERIC
4655 " USE_LOCALE_NUMERIC"
4656# endif
b75885fd
NC		 4657# ifdef USE_LONG_DOUBLE
4658 " USE_LONG_DOUBLE"
4659# endif
4660# ifdef USE_PERLIO
4661 " USE_PERLIO"
4662# endif
4663# ifdef USE_REENTRANT_API
4664 " USE_REENTRANT_API"
4665# endif
b75885fd
NC		 4666# ifdef USE_SOCKS
4667 " USE_SOCKS"
4668# endif
4f575702
CB		 4669# ifdef VMS_DO_SOCKETS
4670 " VMS_DO_SOCKETS"
4f575702 4671# endif
e8b231c6
CB		 4672# ifdef VMS_SHORTEN_LONG_SYMBOLS
4673 " VMS_SHORTEN_LONG_SYMBOLS"
4674# endif
ad5e438d
NC		 4675# ifdef VMS_WE_ARE_CASE_SENSITIVE
4676 " VMS_SYMBOL_CASE_AS_IS"
4677# endif
a68dd89e 4678 "";
b75885fd
NC		 4679#else
4680EXTCONST char PL_bincompat_options[];
4681#endif
4682
ca7b837b
SM		 4683#ifndef PERL_SET_PHASE
4684# define PERL_SET_PHASE(new_phase) \
cb3f8189 4685 PHASE_CHANGE_PROBE(PL_phase_names[new_phase], PL_phase_names[PL_phase]); \
ca7b837b
SM		 4686 PL_phase = new_phase;
4687#endif
4688
9ebf26ad
FR		 4689/* The interpreter phases. If these ever change, PL_phase_names right below will
4690 * need to be updated accordingly. */
4691enum perl_phase {
4692 PERL_PHASE_CONSTRUCT = 0,
4693 PERL_PHASE_START = 1,
4694 PERL_PHASE_CHECK = 2,
4695 PERL_PHASE_INIT = 3,
4696 PERL_PHASE_RUN = 4,
4697 PERL_PHASE_END = 5,
4698 PERL_PHASE_DESTRUCT = 6
4699};
4700
4701#ifdef DOINIT
4702EXTCONST char *const PL_phase_names[] = {
4703 "CONSTRUCT",
4704 "START",
4705 "CHECK",
4706 "INIT",
4707 "RUN",
4708 "END",
4709 "DESTRUCT"
4710};
4711#else
4712EXTCONST char *const PL_phase_names[];
4713#endif
4714
627364f1
FR		 4715#ifndef PERL_CORE
4716/* Do not use this macro. It only exists for extensions that rely on PL_dirty
4717 * instead of using the newer PL_phase, which provides everything PL_dirty
4718 * provided, and more. */
4719# define PL_dirty (PL_phase == PERL_PHASE_DESTRUCT)
66978156
FC		 4720
4721# define PL_amagic_generation PL_na
627364f1
FR		 4722#endif /* !PERL_CORE */
4723
823ac2c8
FC		 4724#define PL_hints PL_compiling.cop_hints
4725
73c4f7a1
GS		 4726END_EXTERN_C
4727
79072805
LW		 4728/*****************************************************************************/
4729/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4730/*****************************************************************************/
8990e307 4731/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4732
d4c3c482 4733#ifdef __Lynx__
9cffb111
OS		 4734/* LynxOS defines these in scsi.h which is included via ioctl.h */
4735#ifdef FORMAT
4736#undef FORMAT
4737#endif
4738#ifdef SPACE
4739#undef SPACE
4740#endif
d4c3c482 4741#endif
9cffb111 4742
fb73857a 4743#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4744
79072805
LW		 4745typedef enum {
4746 XOPERATOR,
4747 XTERM,
79072805 4748 XREF,
8990e307 4749 XSTATE,
a0d0e21e 4750 XBLOCK,
09bef843
SB		 4751 XATTRBLOCK,
4752 XATTRTERM,
6f33ba73 4753 XTERMBLOCK,
89f35911 4754 XPOSTDEREF,
6f33ba73 4755 XTERMORDORDOR /* evil hack */
27308ded 4756 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4757} expectation;
4758
d5ec2987
NC		 4759/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4760 special and there is no need for HINT_PRIVATE_MASK for COPs
538e84ed
KW		 4761 However, bitops store HINT_INTEGER in their op_private.
4762
4763 NOTE: The typical module using these has the bit value hard-coded, so don't
d6ded950
KW		 4764 blindly change the values of these.
4765
4766 If we run out of bits, the 2 locale ones could be combined. The PARTIAL one
4767 is for "use locale 'FOO'" which excludes some categories. It requires going
4768 to %^H to find out which are in and which are out. This could be extended
4769 for the normal case of a plain HINT_LOCALE, so that %^H would be used for
4770 any locale form. */
9cfe5470
RGS		 4771#define HINT_INTEGER 0x00000001 /* integer pragma */
4772#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4773#define HINT_LOCALE 0x00000004 /* locale pragma */
4774#define HINT_BYTES 0x00000008 /* bytes pragma */
d6ded950 4775#define HINT_LOCALE_PARTIAL 0x00000010 /* locale, but a subset of categories */
894ea76b
FC		 4776
4777#define HINT_EXPLICIT_STRICT_REFS 0x00000020 /* strict.pm */
4778#define HINT_EXPLICIT_STRICT_SUBS 0x00000040 /* strict.pm */
4779#define HINT_EXPLICIT_STRICT_VARS 0x00000080 /* strict.pm */
85e6fe83
LW		 4780
4781#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4782#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4783#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
1863b879 4784#define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */
85e6fe83 4785
9cfe5470 4786/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4787#define HINT_NEW_INTEGER 0x00001000
4788#define HINT_NEW_FLOAT 0x00002000
4789#define HINT_NEW_BINARY 0x00004000
4790#define HINT_NEW_STRING 0x00008000
4791#define HINT_NEW_RE 0x00010000
4792#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 4793#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4794#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 4795
9cfe5470
RGS		 4796#define HINT_RE_TAINT 0x00100000 /* re pragma */
4797#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4798
9cfe5470
RGS		 4799#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4800#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4801
e46c382e
YK		 4802#define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
4803
1e215989
FC		 4804#define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */
4805
a803b9b4
FC		 4806#define HINT_FEATURE_MASK 0x1c000000 /* 3 bits for feature bundles */
4807
894ea76b
FC		 4808 /* Note: Used for NATIVE_HINTS, currently
4809 defined by vms/vmsish.h:
4810 0x40000000
4811 0x80000000
4812 */
d1718a7c 4813
0239f47c 4814/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4815#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4816#define HINT_SORT_QUICKSORT 0x00000001
4817#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4818#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4819
d3b97530
DM		 4820/* flags for PL_sawampersand */
4821
4822#define SAWAMPERSAND_LEFT 1 /* saw $` */
4823#define SAWAMPERSAND_MIDDLE 2 /* saw $& */
4824#define SAWAMPERSAND_RIGHT 4 /* saw $' */
4825
1a904fc8
FC		 4826#ifndef PERL_SAWAMPERSAND
4827# define PL_sawampersand \
4828 (SAWAMPERSAND_LEFT|SAWAMPERSAND_MIDDLE|SAWAMPERSAND_RIGHT)
4829#endif
4830
8bfdd7d9 4831/* Various states of the input record separator SV (rs) */
d4cce5f1 4832#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4833#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4834#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4835#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4836
128e8167 4837/* A struct for keeping various DEBUGGING related stuff,
ce333219 4838 * neatly packed. Currently only scratch variables for
128e8167
JH		 4839 * constructing debug output are included. Needed always,
4840 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4841struct perl_debug_pad {
4842 SV pad[3];
4843};
4844
4845#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4846#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4847 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4848 PERL_DEBUG_PAD(i))
ce333219 4849
56953603 4850/* Enable variables which are pointers to functions */
16c91539
BM		 4851typedef void (*peep_t)(pTHX_ OP* o);
4852typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm);
4853typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg,
0cb96387
GS		 4854 char* strend, char* strbeg, I32 minend,
4855 SV* screamer, void* data, U32 flags);
16c91539 4856typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv,
f722798b
IZ		 4857 char *strpos, char *strend,
4858 U32 flags,
9f61653a 4859 re_scream_pos_data *d);
16c91539
BM		 4860typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog);
4861typedef void (*regfree_t) (pTHX_ struct regexp* r);
4862typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param);
a932d541 4863typedef I32 (*re_fold_t)(const char *, char const *, I32);
56953603 4864
c76ac1ee 4865typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc 4866typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
f30de749 4867typedef void (*SVFUNC_t) (pTHX_ SV* const);
31e9e0a3 4868typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
acfe0abc
GS		 4869typedef void (*XSINIT_t) (pTHX);
4870typedef void (*ATEXIT_t) (pTHX_ void*);
4871typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4872
16c91539
BM		 4873typedef OP* (*Perl_ppaddr_t)(pTHX);
4874typedef OP* (*Perl_check_t) (pTHX_ OP*);
4875typedef void(*Perl_ophook_t)(pTHX_ OP*);
4876typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**);
1830b3d9 4877typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *);
88e1f1a2 4878
d67594ff
FC		 4879typedef void(*globhook_t)(pTHX);
4880
88e1f1a2
JV		 4881#define KEYWORD_PLUGIN_DECLINE 0
4882#define KEYWORD_PLUGIN_STMT 1
4883#define KEYWORD_PLUGIN_EXPR 2
22239a37 4884
58a50f62
GS		 4885/* Interpreter exitlist entry */
4886typedef struct exitlistentry {
acfe0abc 4887 void (*fn) (pTHX_ void*);
58a50f62
GS		 4888 void *ptr;
4889} PerlExitListEntry;
4890
aadb217d
JH		 4891/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4892/* These have to be before perlvars.h */
4893#if !defined(HAS_SIGACTION) && defined(VMS)
4894# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4895#endif
4896/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4897#if defined(KILL_BY_SIGPRC)
4898# define FAKE_DEFAULT_SIGNAL_HANDLERS
4899#endif
4900
8c1cc017
NC		 4901#if !defined(MULTIPLICITY)
4902
4903struct interpreter {
4904 char broiled;
22239a37
NIS		 4905};
4906
8c1cc017 4907#else
22239a37 4908
d460ef45 4909/* If we have multiple interpreters define a struct
d4cce5f1 4910 holding variables which must be per-interpreter
d460ef45 4911 If we don't have threads anything that would have
d4cce5f1
NIS		 4912 be per-thread is per-interpreter.
4913*/
4914
8c1cc017 4915/* Set up PERLVAR macros for populating structs */
115ff745 4916# define PERLVAR(prefix,var,type) type prefix##var;
eb42f199
KW		 4917
4918/* 'var' is an array of length 'n' */
115ff745 4919# define PERLVARA(prefix,var,n,type) type prefix##var[n];
eb42f199
KW		 4920
4921/* initialize 'var' to init' */
115ff745 4922# define PERLVARI(prefix,var,type,init) type prefix##var;
eb42f199
KW		 4923
4924/* like PERLVARI, but make 'var' a const */
115ff745 4925# define PERLVARIC(prefix,var,type,init) type prefix##var;
8c1cc017 4926
79072805 4927struct interpreter {
7766f137 4928# include "intrpvar.h"
49f531da 4929};
d4cce5f1 4930
724cf8d6
NC		 4931EXTCONST U16 PL_interp_size
4932 INIT(sizeof(struct interpreter));
4933
4934# define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \
4935 STRUCT_OFFSET(struct interpreter, member) + \
4936 sizeof(((struct interpreter*)0)->member)
4937
4938/* This will be useful for subsequent releases, because this has to be the
4939 same in your libperl as in main(), else you have a mismatch and must abort.
4940*/
d399cf59
NC		 4941EXTCONST U16 PL_interp_size_5_18_0
4942 INIT(PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_18_0_INTERP_MEMBER));
724cf8d6
NC		 4943
4944
8c1cc017
NC		 4945# ifdef PERL_GLOBAL_STRUCT
4946/* MULTIPLICITY is automatically defined when PERL_GLOBAL_STRUCT is defined,
4947 hence it's safe and sane to nest this within #ifdef MULTIPLICITY */
4948
4949struct perl_vars {
4950# include "perlvars.h"
49f531da 4951};
8c1cc017 4952
724cf8d6
NC		 4953EXTCONST U16 PL_global_struct_size
4954 INIT(sizeof(struct perl_vars));
4955
8c1cc017
NC		 4956# ifdef PERL_CORE
4957# ifndef PERL_GLOBAL_STRUCT_PRIVATE
4958EXT struct perl_vars PL_Vars;
4959EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
4960# undef PERL_GET_VARS
4961# define PERL_GET_VARS() PL_VarsPtr
4962# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
4963# else /* PERL_CORE */
4964# if !defined(__GNUC__) || !defined(WIN32)
4965EXT
4966# endif /* WIN32 */
4967struct perl_vars *PL_VarsPtr;
4968# define PL_Vars (*((PL_VarsPtr) \
4969 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
4970# endif /* PERL_CORE */
4971# endif /* PERL_GLOBAL_STRUCT */
79072805 4972
22239a37 4973/* Done with PERLVAR macros for now ... */
8c1cc017
NC		 4974# undef PERLVAR
4975# undef PERLVARA
4976# undef PERLVARI
4977# undef PERLVARIC
8c1cc017
NC		 4978
4979#endif /* MULTIPLICITY */
79072805 4980
f7fe979e 4981struct tempsym; /* defined in pp_pack.c */
49704364 4982
22239a37 4983#include "thread.h"
79072805 4984#include "pp.h"
864dbfa3
GS		 4985
4986#ifndef PERL_CALLCONV
a0c21aa1
JH		 4987# ifdef __cplusplus
4988# define PERL_CALLCONV extern "C"
4989# else
4990# define PERL_CALLCONV
4991# endif
d460ef45 4992#endif
12a2785c
DD		 4993#ifndef PERL_CALLCONV_NO_RET
4994# define PERL_CALLCONV_NO_RET PERL_CALLCONV
4995#endif
4996
98c015b7
DD		 4997/* PERL_STATIC_NO_RET is supposed to be equivalent to STATIC on builds that
4998 dont have a noreturn as a declaration specifier
4999*/
5000#ifndef PERL_STATIC_NO_RET
5001# define PERL_STATIC_NO_RET STATIC
5002#endif
5003/* PERL_STATIC_NO_RET is supposed to be equivalent to PERL_STATIC_INLINE on
5004 builds that dont have a noreturn as a declaration specifier
5005*/
5006#ifndef PERL_STATIC_INLINE_NO_RET
5007# define PERL_STATIC_INLINE_NO_RET PERL_STATIC_INLINE
5008#endif
5009
5010
0cb96387
GS		 5011#undef PERL_CKDEF
5012#undef PERL_PPDEF
0159f81b
JH		 5013#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
5014#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 5015
158cfab6
JD		 5016#ifdef MYMALLOC
5017# include "malloc_ctl.h"
5018#endif
5019
7766f137 5020#include "proto.h"
864dbfa3 5021
0cb96387 5022/* this has structure inits, so it cannot be included before here */
acfe0abc 5023#include "opcode.h"
864dbfa3 5024
d4cce5f1
NIS		 5025/* The following must follow proto.h as #defines mess up syntax */
5026
22c35a8c
GS		 5027#if !defined(PERL_FOR_X2P)
5028# include "embedvar.h"
5029#endif
598921a7
NC		 5030#ifndef PERL_MAD
5031# undef PL_madskills
5032# undef PL_xmlfp
5033# define PL_madskills 0
5034# define PL_xmlfp 0
5035#endif
d4cce5f1 5036
d460ef45 5037/* Now include all the 'global' variables
d4cce5f1 5038 * If we don't have threads or multiple interpreters
d460ef45 5039 * these include variables that would have been their struct-s
d4cce5f1 5040 */
d460ef45 5041
115ff745
NC		 5042#define PERLVAR(prefix,var,type) EXT type PL_##var;
5043#define PERLVARA(prefix,var,n,type) EXT type PL_##var[n];
5044#define PERLVARI(prefix,var,type,init) EXT type PL_##var INIT(init);
5045#define PERLVARIC(prefix,var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 5046
acfe0abc 5047#if !defined(MULTIPLICITY)
7766f137 5048START_EXTERN_C
066ef5b5 5049# include "intrpvar.h"
7766f137 5050END_EXTERN_C
22239a37
NIS		 5051#endif
5052
24792b8d
NC		 5053#ifdef PERL_CORE
5054/* All core uses now exterminated. Ensure no zombies can return: */
5055# undef PL_na
5056#endif
5057
f9293c5b
NC		 5058/* Now all the config stuff is setup we can include embed.h
5059 In particular, need the relevant *ish file included already, as it may
5060 define HAVE_INTERP_INTERN */
5061#include "embed.h"
5062#ifndef PERL_MAD
5063# undef op_getmad
5064# define op_getmad(arg,pegop,slot) NOOP
acfe0abc 5065#endif
22239a37 5066
c5be433b
GS		 5067#ifndef PERL_GLOBAL_STRUCT
5068START_EXTERN_C
5069
5070# include "perlvars.h"
5071
5072END_EXTERN_C
5073#endif
5074
d4cce5f1 5075#undef PERLVAR
51371543 5076#undef PERLVARA
d4cce5f1 5077#undef PERLVARI
0f3f18a6 5078#undef PERLVARIC
79072805 5079
73c4f7a1
GS		 5080START_EXTERN_C
5081
af2f0da9
NC		 5082/* dummy variables that hold pointers to both runops functions, thus forcing
5083 * them *both* to get linked in (useful for Peek.xs, debugging etc) */
5084
5085EXTCONST runops_proc_t PL_runops_std
5086 INIT(Perl_runops_standard);
5087EXTCONST runops_proc_t PL_runops_dbg
5088 INIT(Perl_runops_debug);
5089
bc028b6b
JH		 5090/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
5091 * magic vtables const, but this is incompatible with SWIG which
5092 * does want to modify the vtables. */
5093#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5094# define EXT_MGVTBL EXTCONST MGVTBL
5095#else
5096# define EXT_MGVTBL EXT MGVTBL
5097#endif
5098
82ff486e 5099#define PERL_MAGIC_READONLY_ACCEPTABLE 0x40
e0a73de4
NC		 5100#define PERL_MAGIC_VALUE_MAGIC 0x80
5101#define PERL_MAGIC_VTABLE_MASK 0x3F
82ff486e
NC		 5102#define PERL_MAGIC_TYPE_READONLY_ACCEPTABLE(t) \
5103 (PL_magic_data[(U8)(t)] & PERL_MAGIC_READONLY_ACCEPTABLE)
e0a73de4
NC		 5104#define PERL_MAGIC_TYPE_IS_VALUE_MAGIC(t) \
5105 (PL_magic_data[(U8)(t)] & PERL_MAGIC_VALUE_MAGIC)
5106
8b09643d 5107#include "mg_vtable.h"
6f83ef0e
NC		 5108
5109#ifdef DOINIT
5110EXTCONST U8 PL_magic_data[256] =
dde5ec2c
NC		 5111# ifdef PERL_MICRO
5112# include "umg_data.h"
5113# else
5114# include "mg_data.h"
5115# endif
6f83ef0e
NC		 5116;
5117#else
5118EXTCONST U8 PL_magic_data[256];
5119#endif
5120
f1fb8741 5121#ifdef DOINIT
e94d9b54 5122 /* NL IV NV PV INV PI PN MG RX GV LV AV HV CV FM IO */
f1fb8741 5123EXTCONST bool
e94d9b54 5124PL_valid_types_IVX[] = { 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
f1fb8741 5125EXTCONST bool
e94d9b54 5126PL_valid_types_NVX[] = { 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
f1fb8741 5127EXTCONST bool
d361b004 5128PL_valid_types_PVX[] = { 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1 };
f1fb8741 5129EXTCONST bool
e94d9b54 5130PL_valid_types_RV[] = { 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1 };
f1fb8741 5131EXTCONST bool
e94d9b54 5132PL_valid_types_IV_set[] = { 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1 };
f1fb8741 5133EXTCONST bool
e94d9b54 5134PL_valid_types_NV_set[] = { 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 };
f1fb8741
DM		 5135
5136#else
5137
5138EXTCONST bool PL_valid_types_IVX[];
5139EXTCONST bool PL_valid_types_NVX[];
5140EXTCONST bool PL_valid_types_PVX[];
5141EXTCONST bool PL_valid_types_RV[];
5142EXTCONST bool PL_valid_types_IV_set[];
5143EXTCONST bool PL_valid_types_NV_set[];
5144
5145#endif
5146
cf6e31e9
DM		 5147
5148/* if these never got defined, they need defaults */
5149#ifndef PERL_SET_CONTEXT
5150# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5151#endif
5152
5153#ifndef PERL_GET_CONTEXT
5154# define PERL_GET_CONTEXT PERL_GET_INTERP
5155#endif
5156
5157#ifndef PERL_GET_THX
5158# define PERL_GET_THX ((void*)NULL)
5159#endif
5160
5161#ifndef PERL_SET_THX
5162# define PERL_SET_THX(t) NOOP
5163#endif
5164
5165
c7627e6d
NC		 5166#ifndef PERL_NO_INLINE_FUNCTIONS
5167/* Static inline funcs that depend on includes and declarations above.
5168 Some of these reference functions in the perl object files, and some
5169 compilers aren't smart enough to eliminate unused static inline
5170 functions, so including this file in source code can cause link errors
5171 even if the source code uses none of the functions. Hence including these
5172 can be be suppressed by setting PERL_NO_INLINE_FUNCTIONS. Doing this will
5173 (obviously) result in unworkable XS code, but allows simple probing code
5174 to continue to work, because it permits tests to include the perl headers
5175 for definitions without creating a link dependency on the perl library
5176 (which may not exist yet).
5177*/
5178
5179# include "inline.h"
5180#endif
f1fb8741 5181
bab3dc31 5182#include "overload.h"
a0d0e21e 5183
73c4f7a1
GS		 5184END_EXTERN_C
5185
a6006777 5186struct am_table {
8978b4ac
NC		 5187 U8 flags;
5188 U8 fallback;
5189 U16 spare;
eb160463 5190 U32 was_ok_sub;
9bd87817 5191 CV* table[NofAMmeth];
a0d0e21e 5192};
a6006777 5193struct am_table_short {
8978b4ac
NC		 5194 U8 flags;
5195 U8 fallback;
5196 U16 spare;
eb160463 5197 U32 was_ok_sub;
a6006777 5198};
a0d0e21e 5199typedef struct am_table AMT;
a6006777 5200typedef struct am_table_short AMTS;
a0d0e21e
LW		 5201
5202#define AMGfallNEVER 1
5203#define AMGfallNO 2
5204#define AMGfallYES 3
5205
a6006777 5206#define AMTf_AMAGIC 1
5207#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5208#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5209#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
5210
32251b26 5211#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5212
5213/*
5214 * some compilers like to redefine cos et alia as faster
5215 * (and less accurate?) versions called F_cos et cetera (Quidquid
5216 * latine dictum sit, altum viditur.) This trick collides with
5217 * the Perl overloading (amg). The following #defines fool both.
5218 */
5219
5220#ifdef _FASTMATH
5221# ifdef atan2
5222# define F_atan2_amg atan2_amg
5223# endif
5224# ifdef cos
5225# define F_cos_amg cos_amg
5226# endif
5227# ifdef exp
5228# define F_exp_amg exp_amg
5229# endif
5230# ifdef log
5231# define F_log_amg log_amg
5232# endif
5233# ifdef pow
5234# define F_pow_amg pow_amg
5235# endif
5236# ifdef sin
5237# define F_sin_amg sin_amg
5238# endif
5239# ifdef sqrt
5240# define F_sqrt_amg sqrt_amg
5241# endif
5242#endif /* _FASTMATH */
5243
83ee9e09
GS		 5244#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5245 PERLDBf_NOOPT | PERLDBf_INTER | \
5246 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
b8fcbefe
NC		 5247 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5248 PERLDBf_SAVESRC)
925cfbb8 5249 /* No _NONAME, _GOTO */
83ee9e09
GS		 5250#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5251#define PERLDBf_LINE 0x02 /* Keep line # */
5252#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5253#define PERLDBf_INTER 0x08 /* Preserve more data for
5254 later inspections */
5255#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5256#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5257#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5258#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5259#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5260#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
b8fcbefe 5261#define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
486ec47a 5262#define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */
c30d8139 5263#define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
84902520 5264
3280af22
NIS		 5265#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5266#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5267#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5268#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5269#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5270#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5271#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5272#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5273#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5274#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
b8fcbefe 5275#define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC))
c30d8139
NC		 5276#define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS))
5277#define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID))
bbce6d69 5278
d6ded950 5279/* These locale things are all subject to change */
c8bf5ca7 5280/* Returns TRUE if the plain locale pragma without a parameter is in effect
66cbab2c 5281 */
c8bf5ca7 5282#define IN_LOCALE_RUNTIME cBOOL(CopHINTS_get(PL_curcop) & HINT_LOCALE)
66cbab2c 5283
c8bf5ca7 5284/* Returns TRUE if either form of the locale pragma is in effect */
66cbab2c 5285#define IN_SOME_LOCALE_FORM_RUNTIME \
d6ded950 5286 cBOOL(CopHINTS_get(PL_curcop) & (HINT_LOCALE|HINT_LOCALE_PARTIAL))
66cbab2c 5287
c8bf5ca7 5288#define IN_LOCALE_COMPILETIME cBOOL(PL_hints & HINT_LOCALE)
66cbab2c 5289#define IN_SOME_LOCALE_FORM_COMPILETIME \
d6ded950 5290 cBOOL(PL_hints & (HINT_LOCALE|HINT_LOCALE_PARTIAL))
2de3dbcc
JH		 5291
5292#define IN_LOCALE \
923e4eb5 5293 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
66cbab2c
KW		 5294#define IN_SOME_LOCALE_FORM \
5295 (IN_PERL_COMPILETIME ? IN_SOME_LOCALE_FORM_COMPILETIME \
5296 : IN_SOME_LOCALE_FORM_RUNTIME)
2de3dbcc 5297
d6ded950
KW		 5298#define IN_LC_ALL_COMPILETIME IN_LOCALE_COMPILETIME
5299#define IN_LC_ALL_RUNTIME IN_LOCALE_RUNTIME
5300
5301#define IN_LC_PARTIAL_COMPILETIME cBOOL(PL_hints & HINT_LOCALE_PARTIAL)
5302#define IN_LC_PARTIAL_RUNTIME cBOOL(CopHINTS_get(PL_curcop) & HINT_LOCALE_PARTIAL)
5303
5304#define IN_LC_COMPILETIME(category) (IN_LC_ALL_COMPILETIME || (IN_LC_PARTIAL_COMPILETIME && _is_in_locale_category(TRUE, (category))))
5305#define IN_LC_RUNTIME(category) (IN_LC_ALL_RUNTIME || (IN_LC_PARTIAL_RUNTIME && _is_in_locale_category(FALSE, (category))))
5306#define IN_LC(category) (IN_LC_COMPILETIME(category) || IN_LC_RUNTIME(category))
5307
6bf09f55
KW		 5308#ifdef USE_LOCALE_NUMERIC
5309
8a11fac9
KW		 5310/* These macros are for toggling between the underlying locale (LOCAL) and the
5311 * C locale. */
5312
5313/* The first set makes sure that the locale is set to C unless within a 'use
5314 * locale's scope; otherwise to the default locale. A function pointer is
5315 * used, which can be declared separately by
5316 * DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED, followed by the actual
5317 * setting (using STORE_LC_NUMERIC_SET_TO_NEEDED()), or the two can be combined
5318 * into one call DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED().
5319 * RESTORE_LC_NUMERIC() in all cases restores the locale to what it was before
5320 * these were called */
5321
aaaeb297 5322#define _NOT_IN_NUMERIC_STANDARD (! PL_numeric_standard)
7738054c
KW		 5323
5324/* We can lock the category to stay in the C locale, making requests to the
5325 * contrary noops, in the dynamic scope by setting PL_numeric_standard to 2 */
5326#define _NOT_IN_NUMERIC_LOCAL (! PL_numeric_local && PL_numeric_standard < 2)
aaaeb297 5327
8a11fac9
KW		 5328#define DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED \
5329 void (*_restore_LC_NUMERIC_function)(pTHX) = NULL;
5330
5331#define STORE_LC_NUMERIC_SET_TO_NEEDED() \
d6ded950 5332 if (IN_LC(LC_NUMERIC)) { \
aaaeb297
KW		 5333 if (_NOT_IN_NUMERIC_LOCAL) { \
5334 set_numeric_local(); \
8a11fac9
KW		 5335 _restore_LC_NUMERIC_function = &Perl_set_numeric_standard; \
5336 } \
5337 } \
5338 else { \
aaaeb297 5339 if (_NOT_IN_NUMERIC_STANDARD) { \
8a11fac9
KW		 5340 SET_NUMERIC_STANDARD(); \
5341 _restore_LC_NUMERIC_function = &Perl_set_numeric_local; \
5342 } \
5343 }
5344
5345#define DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED() \
5346 DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED; \
5347 STORE_LC_NUMERIC_SET_TO_NEEDED();
5348
5349#define RESTORE_LC_NUMERIC() \
5350 if (_restore_LC_NUMERIC_function) { \
5351 _restore_LC_NUMERIC_function(aTHX); \
5352 }
5353
5354/* The next two macros set unconditionally. These should be rarely used, and
5355 * only after being sure that this is what is needed */
8d98ede7 5356#define SET_NUMERIC_STANDARD() \
aaaeb297 5357 STMT_START { if (_NOT_IN_NUMERIC_STANDARD) set_numeric_standard(); \
8d98ede7 5358 } STMT_END
87755cd9 5359
8d98ede7 5360#define SET_NUMERIC_LOCAL() \
aaaeb297
KW		 5361 STMT_START { if (_NOT_IN_NUMERIC_LOCAL) \
5362 set_numeric_local(); } STMT_END
87755cd9 5363
8a11fac9
KW		 5364/* The rest of these LC_NUMERIC macros toggle to one or the other state, with
5365 * the RESTORE_foo ones called to switch back, but only if need be */
aaaeb297
KW		 5366#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
5367 bool _was_local = _NOT_IN_NUMERIC_STANDARD; \
5368 if (_was_local) set_numeric_standard();
f93f4e46 5369
b34856cb
KW		 5370/* Doesn't change to underlying locale unless within the scope of some form of
5371 * 'use locale'. This is the usual desired behavior. */
aaaeb297
KW		 5372#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
5373 bool _was_standard = _NOT_IN_NUMERIC_LOCAL \
5374 && IN_LC(LC_NUMERIC); \
5375 if (_was_standard) set_numeric_local();
f93f4e46 5376
371d5d44
KW		 5377/* Rarely, we want to change to the underlying locale even outside of 'use
5378 * locale'. This is principally in the POSIX:: functions */
aaaeb297
KW		 5379#define STORE_NUMERIC_STANDARD_FORCE_LOCAL() \
5380 bool _was_standard = _NOT_IN_NUMERIC_LOCAL; \
5381 if (_was_standard) set_numeric_local();
371d5d44 5382
7738054c
KW		 5383/* Lock to the C locale until unlock is called */
5384#define LOCK_NUMERIC_STANDARD() \
5385 (__ASSERT_(PL_numeric_standard) \
5386 PL_numeric_standard = 2)
5387
5388#define UNLOCK_NUMERIC_STANDARD() \
5389 (__ASSERT_(PL_numeric_standard == 2) \
5390 PL_numeric_standard = 1)
5391
f93f4e46 5392#define RESTORE_NUMERIC_LOCAL() \
aaaeb297 5393 if (_was_local) set_numeric_local();
f93f4e46
CK		 5394
5395#define RESTORE_NUMERIC_STANDARD() \
aaaeb297 5396 if (_was_standard) SET_NUMERIC_STANDARD();
f93f4e46 5397
5b877257 5398#define Atof my_atof
097ee67d 5399
36477c24 5400#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5401
097ee67d
JH		 5402#define SET_NUMERIC_STANDARD() /**/
5403#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5404#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5405#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5406#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
8a11fac9 5407#define STORE_NUMERIC_STANDARD_FORCE_LOCAL()
097ee67d
JH		 5408#define RESTORE_NUMERIC_LOCAL() /**/
5409#define RESTORE_NUMERIC_STANDARD() /**/
8a11fac9
KW		 5410#define DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED
5411#define STORE_LC_NUMERIC_SET_TO_NEEDED()
5412#define DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED()
5413#define RESTORE_LC_NUMERIC()
5414
2cdc7fd1 5415#define Atof my_atof
ad3e0f90 5416#define IN_LOCALE_RUNTIME 0
d40eae8f 5417#define IN_LOCALE_COMPILETIME 0
bbce6d69 5418
36477c24 5419#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5420
85b76970
SH		 5421#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && \
5422 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
ec7b9793
JH		 5423# ifdef __hpux
5424# define strtoll __strtoll /* secret handshake */
5425# endif
c623ac67
GS		 5426# ifdef WIN64
5427# define strtoll _strtoi64 /* secret handshake */
5428# endif
079290de
GS		 5429# if !defined(Strtol) && defined(HAS_STRTOLL)
5430# define Strtol strtoll
ad551343 5431# endif
28e5dec8
JH		 5432# if !defined(Strtol) && defined(HAS_STRTOQ)
5433# define Strtol strtoq
5434# endif
ff935051 5435/* is there atoq() anywhere? */
15b99d39 5436#endif
079290de
GS		 5437#if !defined(Strtol) && defined(HAS_STRTOL)
5438# define Strtol strtol
5439#endif
5440#ifndef Atol
5441/* It would be more fashionable to use Strtol() to define atol()
5442 * (as is done for Atoul(), see below) but for backward compatibility
5443 * we just assume atol(). */
85b76970
SH		 5444# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && defined(HAS_ATOLL) && \
5445 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
c623ac67
GS		 5446# ifdef WIN64
5447# define atoll _atoi64 /* secret handshake */
5448# endif
76b882ba
JH		 5449# define Atol atoll
5450# else
5451# define Atol atol
5452# endif
cf2093f6
JH		 5453#endif
5454
85b76970
SH		 5455#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && \
5456 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
ec7b9793
JH		 5457# ifdef __hpux
5458# define strtoull __strtoull /* secret handshake */
5459# endif
c623ac67
GS		 5460# ifdef WIN64
5461# define strtoull _strtoui64 /* secret handshake */
5462# endif
ad551343 5463# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5464# define Strtoul strtoull
15b99d39 5465# endif
079290de
GS		 5466# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5467# define Strtoul strtouq
5468# endif
76d49b1c 5469/* is there atouq() anywhere? */
ad551343 5470#endif
079290de
GS		 5471#if !defined(Strtoul) && defined(HAS_STRTOUL)
5472# define Strtoul strtoul
cf2093f6 5473#endif
a5523c5b
JH		 5474#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5475# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5476#endif
079290de 5477#ifndef Atoul
d4c19fe8 5478# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5479#endif
cf2093f6 5480
a868473f
NIS		 5481#ifndef PERL_SCRIPT_MODE
5482#define PERL_SCRIPT_MODE "r"
5483#endif
5484
fba3b22e 5485/*
da927450
JH		 5486 * Some operating systems are stingy with stack allocation,
5487 * so perl may have to guard against stack overflow.
5488 */
5489#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5490#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5491#endif
5492
5493/*
5494 * Some nonpreemptive operating systems find it convenient to
5495 * check for asynchronous conditions after each op execution.
5496 * Keep this check simple, or it may slow down execution
5497 * massively.
5498 */
ce08f86c 5499
1d615522 5500#ifndef PERL_MICRO
4ffa73a3 5501# ifndef PERL_ASYNC_CHECK
5d9574c1 5502# define PERL_ASYNC_CHECK() if (UNLIKELY(PL_sig_pending)) PL_signalhook(aTHX)
4ffa73a3 5503# endif
ce08f86c
NIS		 5504#endif
5505
da927450 5506#ifndef PERL_ASYNC_CHECK
1d615522 5507# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5508#endif
5509
5510/*
5511 * On some operating systems, a memory allocation may succeed,
5512 * but put the process too close to the system's comfort limit.
5513 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5514 * it to NULL.
5515 */
5516#ifndef PERL_ALLOC_CHECK
c2af87cb 5517#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5518#endif
5519
bd89102f
AD		 5520#ifdef HAS_SEM
5521# include <sys/ipc.h>
5522# include <sys/sem.h>
5523# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5524 union semun {
dbba660d
TC		 5525 int val;
5526 struct semid_ds *buf;
5527 unsigned short *array;
bd89102f
AD		 5528 };
5529# endif
5530# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5531# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5532 union gccbug_semun {
5533 int val;
5534 struct semid_ds *buf;
5535 unsigned short *array;
5536 char __dummy[5];
5537 };
5538# define semun gccbug_semun
5539# endif
bd89102f
AD		 5540# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5541# else
5542# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5543# ifdef EXTRA_F_IN_SEMUN_BUF
5544# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5545# else
5546# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5547# endif
bd89102f
AD		 5548# endif
5549# endif
bd89102f 5550#endif
49f531da 5551
89ca4ac7
JH		 5552/*
5553 * Boilerplate macros for initializing and accessing interpreter-local
5554 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 5555 * this, if you want to make the extension thread-safe. See
5556 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5557 * and perlxs.pod for more.
89ca4ac7
JH		 5558 *
5559 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5560 * 1. #define MY_CXT_KEY to a unique string, e.g.
5561 * "DynaLoader::_guts" XS_VERSION
f16dd614 5562 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5563 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5564 * all the data that needs to be interpreter-local.
5565 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5566 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5567 * (typically put in the BOOT: section).
5568 * 5. Use the members of the my_cxt_t structure everywhere as
5569 * MY_CXT.member.
5570 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5571 * access MY_CXT.
5572 */
5573
fc958cd2 5574#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 5575
4eddb856 5576/* START_MY_CXT must appear in all extensions that define a my_cxt_t structure,
53d44271
JH		 5577 * right after the definition (i.e. at file scope). The non-threads
5578 * case below uses it to declare the data as static. */
00ab59c9
DM		 5579# ifdef PERL_GLOBAL_STRUCT_PRIVATE
5580# define START_MY_CXT
5581# define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5582# define MY_CXT_INIT_ARG MY_CXT_KEY
5583# else
5584# define START_MY_CXT static int my_cxt_index = -1;
5585# define MY_CXT_INDEX my_cxt_index
5586# define MY_CXT_INIT_ARG &my_cxt_index
5587# endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
53d44271
JH		 5588
5589/* Creates and zeroes the per-interpreter data.
5590 * (We allocate my_cxtp in a Perl SV so that it will be released when
5591 * the interpreter goes away.) */
00ab59c9 5592# define MY_CXT_INIT \
53d44271 5593 my_cxt_t *my_cxtp = \
9f6df31a
Z		 5594 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
5595 PERL_UNUSED_VAR(my_cxtp)
00ab59c9 5596# define MY_CXT_INIT_INTERP(my_perl) \
53d44271 5597 my_cxt_t *my_cxtp = \
9f6df31a
Z		 5598 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
5599 PERL_UNUSED_VAR(my_cxtp)
53d44271
JH		 5600
5601/* This declaration should be used within all functions that use the
5602 * interpreter-local data. */
00ab59c9 5603# define dMY_CXT \
53d44271 5604 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
00ab59c9 5605# define dMY_CXT_INTERP(my_perl) \
53d44271
JH		 5606 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5607
5608/* Clones the per-interpreter data. */
00ab59c9 5609# define MY_CXT_CLONE \
53d44271
JH		 5610 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5611 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5612 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5613
53d44271 5614
89ca4ac7 5615/* This macro must be used to access members of the my_cxt_t structure.
870598ae 5616 * e.g. MY_CXT.some_data */
00ab59c9 5617# define MY_CXT (*my_cxtp)
89ca4ac7
JH		 5618
5619/* Judicious use of these macros can reduce the number of times dMY_CXT
5620 * is used. Use is similar to pTHX, aTHX etc. */
00ab59c9
DM		 5621# define pMY_CXT my_cxt_t *my_cxtp
5622# define pMY_CXT_ pMY_CXT,
5623# define _pMY_CXT ,pMY_CXT
5624# define aMY_CXT my_cxtp
5625# define aMY_CXT_ aMY_CXT,
5626# define _aMY_CXT ,aMY_CXT
89ca4ac7 5627
f16dd614 5628#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7 5629
00ab59c9
DM		 5630# define START_MY_CXT static my_cxt_t my_cxt;
5631# define dMY_CXT_SV dNOOP
5632# define dMY_CXT dNOOP
5633# define dMY_CXT_INTERP(my_perl) dNOOP
5634# define MY_CXT_INIT NOOP
5635# define MY_CXT_CLONE NOOP
5636# define MY_CXT my_cxt
5637
5638# define pMY_CXT void
5639# define pMY_CXT_
5640# define _pMY_CXT
5641# define aMY_CXT
5642# define aMY_CXT_
5643# define _aMY_CXT
89ca4ac7 5644
f16dd614 5645#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5646
9a34ef1d
GS		 5647#ifdef I_FCNTL
5648# include <fcntl.h>
9a34ef1d
GS		 5649#endif
5650
9cffb111
OS		 5651#ifdef __Lynx__
5652# include <fcntl.h>
5653#endif
5654
9a34ef1d
GS		 5655#ifdef I_SYS_FILE
5656# include <sys/file.h>
5657#endif
5658
fa0a29af 5659#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5660int flock(int fd, int op);
5661#endif
5662
fe52b3b7
GS		 5663#ifndef O_RDONLY
5664/* Assume UNIX defaults */
5665# define O_RDONLY 0000
5666# define O_WRONLY 0001
5667# define O_RDWR 0002
5668# define O_CREAT 0100
5669#endif
9a34ef1d 5670
16fe6d59
GS		 5671#ifndef O_BINARY
5672# define O_BINARY 0
5673#endif
5674
5675#ifndef O_TEXT
5676# define O_TEXT 0
5677#endif
5678
6ce75a77 5679#if O_TEXT != O_BINARY
38d96942 5680 /* If you have different O_TEXT and O_BINARY and you are a CRLF shop,
6ce75a77 5681 * that is, you are somehow DOSish. */
b6c36746
NC		 5682# if defined(__HAIKU__) || defined(__VOS__) || defined(__CYGWIN__)
5683 /* Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5684 * Haiku is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5685 /* VOS has O_TEXT != O_BINARY, and they have effect,
5686 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5687 /* If you have O_TEXT different from your O_BINARY but you still are
5688 * not a CRLF shop. */
35990314 5689# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5690# else
5691 /* If you really are DOSish. */
5692# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5693# endif
5694#endif
5695
4bc88a62
PS		 5696#ifdef I_LIBUTIL
5697# include <libutil.h> /* setproctitle() in some FreeBSDs */
5698#endif
5699
b4748376 5700#ifndef EXEC_ARGV_CAST
360ea906 5701#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 5702#endif
5703
dd5dc04f
JH		 5704#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5705 int). value returned in pointed-
5706 to UV */
5707#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5708#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5709#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5710#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5711#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5712
5713#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5714
53305cf1
NC		 5715/* Input flags: */
5716#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5717#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5718#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
02470786
KW		 5719#define PERL_SCAN_SILENT_NON_PORTABLE 0x08 /* grok_??? not warn about very large
5720 numbers which are <= UV_MAX */
53305cf1
NC		 5721/* Output flags: */
5722#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5723
2c4f7f0e
DM		 5724/* to let user control profiling */
5725#ifdef PERL_GPROF_CONTROL
5726extern void moncontrol(int);
5727#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5728#else
5729#define PERL_GPROF_MONCONTROL(x)
5730#endif
5731
ae0e3d3b
JH		 5732#ifdef UNDER_CE
5733#include "wince.h"
5734#endif
5735
5736/* ISO 6429 NEL - C1 control NExt Line */
5737/* See http://www.unicode.org/unicode/reports/tr13/ */
ec34087a 5738#define NEXT_LINE_CHAR NEXT_LINE_NATIVE
ae0e3d3b
JH		 5739
5740/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5741#define UNICODE_LINE_SEPA_0 0xE2
5742#define UNICODE_LINE_SEPA_1 0x80
5743#define UNICODE_LINE_SEPA_2 0xA8
5744#define UNICODE_PARA_SEPA_0 0xE2
5745#define UNICODE_PARA_SEPA_1 0x80
5746#define UNICODE_PARA_SEPA_2 0xA9
5747
479b2847
GS		 5748#ifndef PIPESOCK_MODE
5749# define PIPESOCK_MODE
5750#endif
5751
460c8493
IZ		 5752#ifndef SOCKET_OPEN_MODE
5753# define SOCKET_OPEN_MODE PIPESOCK_MODE
5754#endif
5755
5756#ifndef PIPE_OPEN_MODE
5757# define PIPE_OPEN_MODE PIPESOCK_MODE
5758#endif
5759
7e8c5dac
HS		 5760#define PERL_MAGIC_UTF8_CACHESIZE 2
5761
a05d7ebb
JH		 5762#define PERL_UNICODE_STDIN_FLAG 0x0001
5763#define PERL_UNICODE_STDOUT_FLAG 0x0002
5764#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5765#define PERL_UNICODE_IN_FLAG 0x0008
5766#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5767#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5768#define PERL_UNICODE_LOCALE_FLAG 0x0040
5769#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 5770#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 5771
06e66572
JH		 5772#define PERL_UNICODE_STD_FLAG \
5773 (PERL_UNICODE_STDIN_FLAG | \
5774 PERL_UNICODE_STDOUT_FLAG | \
5775 PERL_UNICODE_STDERR_FLAG)
5776
5777#define PERL_UNICODE_INOUT_FLAG \
5778 (PERL_UNICODE_IN_FLAG | \
5779 PERL_UNICODE_OUT_FLAG)
5780
5781#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5782 (PERL_UNICODE_STD_FLAG | \
5783 PERL_UNICODE_INOUT_FLAG | \
5784 PERL_UNICODE_LOCALE_FLAG)
5785
5a22a2bb 5786#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 5787
5788#define PERL_UNICODE_STDIN 'I'
5789#define PERL_UNICODE_STDOUT 'O'
5790#define PERL_UNICODE_STDERR 'E'
5791#define PERL_UNICODE_STD 'S'
5792#define PERL_UNICODE_IN 'i'
5793#define PERL_UNICODE_OUT 'o'
5794#define PERL_UNICODE_INOUT 'D'
5795#define PERL_UNICODE_ARGV 'A'
5796#define PERL_UNICODE_LOCALE 'L'
5797#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 5798#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 5799
4ffa73a3
JH		 5800#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5801
32fdb065 5802/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5803 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5804#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5805
3c0f78ca
JH		 5806#if defined(__DECC) && defined(__osf__)
5807#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 5808#endif
5809
e4dba786
NC		 5810#define do_open(g, n, l, a, rm, rp, sf) \
5811 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 5812#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 5813# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 5814#endif
15871fce
NC		 5815#ifdef OS2
5816# define do_aexec Perl_do_aexec
5817#else
5818# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 5819#endif
e4dba786 5820
c8028aa6
TC		 5821/* check embedded \0 characters in pathnames passed to syscalls,
5822 but allow one ending \0 */
41188aa0 5823#define IS_SAFE_SYSCALL(p, len, what, op_name) (S_is_safe_syscall(aTHX_ (p), (len), (what), (op_name)))
c8028aa6 5824
41188aa0 5825#define IS_SAFE_PATHNAME(p, len, op_name) IS_SAFE_SYSCALL((p), (len), "pathname", (op_name))
c8028aa6 5826
2f3efc97
JH		 5827#if defined(OEMVS)
5828#define NO_ENV_ARRAY_IN_MAIN
5829#endif
5830
00f254e2
KW		 5831/* These are used by Perl_pv_escape() and Perl_pv_pretty()
5832 * are here so that they are available throughout the core
10edeb5d
JH		 5833 * NOTE that even though some are for _escape and some for _pretty
5834 * there must not be any clashes as the flags from _pretty are
5835 * passed straight through to _escape.
5836 */
5837
5838#define PERL_PV_ESCAPE_QUOTE 0x0001
5839#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
5840
95b611b0 5841#define PERL_PV_PRETTY_ELLIPSES 0x0002
10edeb5d
JH		 5842#define PERL_PV_PRETTY_LTGT 0x0004
5843
5844#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
5845
00f254e2 5846#define PERL_PV_ESCAPE_UNI 0x0100
10edeb5d 5847#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
681f01c2 5848#define PERL_PV_ESCAPE_NONASCII 0x0400
10edeb5d
JH		 5849
5850#define PERL_PV_ESCAPE_ALL 0x1000
5851#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
5852#define PERL_PV_ESCAPE_NOCLEAR 0x4000
44a2ac75 5853#define PERL_PV_ESCAPE_RE 0x8000
10edeb5d 5854
0eb335df
BF		 5855#define PERL_PV_ESCAPE_DWIM 0x10000
5856
881a015e
NC		 5857#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
5858
10edeb5d 5859/* used by pv_display in dump.c*/
95b611b0 5860#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
c89df6cf 5861#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII
10edeb5d
JH		 5862
5863/*
5864
5865 (KEEP THIS LAST IN perl.h!)
5866
5867 Mention
d460ef45 5868
43999f95 5869 NV_PRESERVES_UV
fe749a9f 5870
fe749a9f
JH		 5871 HAS_MKSTEMP
5872 HAS_MKSTEMPS
5873 HAS_MKDTEMP
5874
49dabb45
JH		 5875 HAS_GETCWD
5876
d59b5429 5877 HAS_MMAP
fe749a9f
JH		 5878 HAS_MPROTECT
5879 HAS_MSYNC
1e8c3fde 5880 HAS_MADVISE
fe749a9f
JH		 5881 HAS_MUNMAP
5882 I_SYSMMAN
5883 Mmap_t
5884
6b4667fc
A		 5885 NVef
5886 NVff
5887 NVgf
5888
4e0554ec 5889 HAS_UALARM
2d736872 5890 HAS_USLEEP
4e0554ec
JH		 5891
5892 HAS_SETITIMER
5893 HAS_GETITIMER
5894
5895 HAS_SENDMSG
5896 HAS_RECVMSG
5897 HAS_READV
5898 HAS_WRITEV
5899 I_SYSUIO
5900 HAS_STRUCT_MSGHDR
5901 HAS_STRUCT_CMSGHDR
5902
2765b840 5903 HAS_NL_LANGINFO
0a7020c9 5904
ae0e3d3b 5905 HAS_DIRFD
2765b840 5906
10edeb5d 5907 so that Configure picks them up.
ab3bbdeb 5908
10edeb5d 5909 (KEEP THIS LAST IN perl.h!)
3df15adc 5910
10edeb5d 5911*/
3df15adc 5912
85e6fe83 5913#endif /* Include guard */
e9a8c099
MHM		 5914
5915/*
5916 * Local variables:
5917 * c-indentation-style: bsd
5918 * c-basic-offset: 4
14d04a33 5919 * indent-tabs-mode: nil
e9a8c099
MHM		 5920 * End:
5921 *
14d04a33 5922 * ex: set ts=8 sts=4 sw=4 et:
e9a8c099 5923 */
Unnamed repository; edit this file 'description' to name the repository.