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
Add links for perl bug tickets in previous commit
[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
b56aac20
DM		 330/* on gcc (and clang), specify that a warning should be temporarily
331 * ignored; e.g.
332 *
333 * GCC_DIAG_IGNORE(-Wmultichar);
334 * char b = 'ab';
335 * GCC_DIAG_RESTORE;
336 *
337 * based on http://dbp-consulting.com/tutorials/SuppressingGCCWarnings.html
338 *
339 * Note that "pragma GCC diagnostic push/pop" was added in GCC 4.6, Mar 2011;
340 * clang only pretends to be GCC 4.2, but still supports push/pop.
341 */
342
343#if defined(__clang) || \
d28ce8b4 344 (defined( __GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406)
b56aac20
DM		 345# define GCC_DIAG_DO_PRAGMA_(x) _Pragma (#x)
346
347# define GCC_DIAG_IGNORE(x) _Pragma("GCC diagnostic push") \
348 GCC_DIAG_DO_PRAGMA_(GCC diagnostic ignored #x)
349# define GCC_DIAG_RESTORE _Pragma("GCC diagnostic pop")
350#else
351# define GCC_DIAG_IGNORE(w)
352# define GCC_DIAG_RESTORE
353#endif
354
355
6f207bd3 356#define NOOP /*EMPTY*/(void)0
bafdc25d
NC		 357/* cea2e8a9dd23747f accidentally lost the comment originally from the first
358 check in of thread.h, explaining why we need dNOOP at all: */
359/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
360/* Declaring a *function*, instead of a variable, ensures that we don't rely
361 on being able to suppress "unused" warnings. */
7db66e12
CB		 362#ifdef __cplusplus
363#define dNOOP (void)0
364#else
64a8239e 365#define dNOOP extern int Perl___notused(void)
7db66e12 366#endif
71be2cbc 367
0cb96387 368#ifndef pTHX
a78adc84 369/* Don't bother defining tTHX ; using it outside
e8dda941
JD		 370 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
371 */
0cb96387
GS		 372# define pTHX void
373# define pTHX_
0cb96387
GS		 374# define aTHX
375# define aTHX_
9399a70c 376# define aTHXa(a) NOOP
0cb96387
GS		 377# define dTHXa(a) dNOOP
378# define dTHX dNOOP
894356b3
GS		 379# define pTHX_1 1
380# define pTHX_2 2
381# define pTHX_3 3
382# define pTHX_4 4
3d42dc86
RGS		 383# define pTHX_5 5
384# define pTHX_6 6
a3b680e6
AL		 385# define pTHX_7 7
386# define pTHX_8 8
387# define pTHX_9 9
a6fc70e5 388# define pTHX_12 12
0cb96387
GS		 389#endif
390
27da23d5
JH		 391#ifndef dVAR
392# define dVAR dNOOP
393#endif
394
b4f7f263
GS		 395/* these are only defined for compatibility; should not be used internally */
396#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 397# define pTHXo pTHX
398# define pTHXo_ pTHX_
0cb96387
GS		 399# define aTHXo aTHX
400# define aTHXo_ aTHX_
c5be433b 401# define dTHXo dTHX
71d280e3 402# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 403#endif
404
405#ifndef pTHXx
5aaab254 406# define pTHXx PerlInterpreter *my_perl
0cb96387 407# define pTHXx_ pTHXx,
0cb96387
GS		 408# define aTHXx my_perl
409# define aTHXx_ aTHXx,
c5be433b 410# define dTHXx dTHX
22c35a8c 411#endif
71be2cbc 412
1de7c2ac
GS		 413/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
414 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
415 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
416#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 417# ifdef PERL_GLOBAL_STRUCT_PRIVATE
418# define dTHXs dVAR; dTHX
419# else
420# define dTHXs dTHX
421# endif
1de7c2ac 422#else
27da23d5
JH		 423# ifdef PERL_GLOBAL_STRUCT_PRIVATE
424# define dTHXs dVAR
425# else
426# define dTHXs dNOOP
427# endif
1de7c2ac
GS		 428#endif
429
27da23d5
JH		 430/* Some platforms require marking function declarations
431 * for them to be exportable. Used in perlio.h, proto.h
432 * is handled either by the makedef.pl or by defining the
433 * PERL_CALLCONV to be something special. See also the
434 * definition of XS() in XSUB.h. */
435#ifndef PERL_EXPORT_C
a0c21aa1
JH		 436# ifdef __cplusplus
437# define PERL_EXPORT_C extern "C"
438# else
439# define PERL_EXPORT_C extern
440# endif
27da23d5
JH		 441#endif
442#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 443# ifdef __cplusplus
444# define PERL_XS_EXPORT_C extern "C"
445# else
446# define PERL_XS_EXPORT_C
447# endif
27da23d5
JH		 448#endif
449
e5afc1ae 450/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 451 * g++ allows them but seems to have problems with them
70aab261
RB		 452 * (insane errors ensue).
453 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
454 */
455#if defined(PERL_GCC_PEDANTIC) || \
456 (defined(__GNUC__) && defined(__cplusplus) && \
457 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 458# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 459# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
460# endif
5dc8bdac
JH		 461#endif
462
5b692037
JH		 463#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
464# ifndef PERL_USE_GCC_BRACE_GROUPS
465# define PERL_USE_GCC_BRACE_GROUPS
466# endif
467#endif
468
728e2803 469/*
470 * STMT_START { statements; } STMT_END;
471 * can be used as a single statement, as in
472 * if (x) STMT_START { ... } STMT_END; else ...
473 *
474 * Trying to select a version that gives no warnings...
475 */
476#if !(defined(STMT_START) && defined(STMT_END))
5b692037 477# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 478# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 479# define STMT_END )
480# else
728e2803 481# define STMT_START do
482# define STMT_END while (0)
728e2803 483# endif
484#endif
485
d6f9c181
JH		 486#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
487# define BYTEORDER 0x1234
79072805
LW		 488#endif
489
490/* Overall memory policy? */
491#ifndef CONSERVATIVE
492# define LIBERAL 1
493#endif
494
8ada0baa
JH		 495#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
496#define ASCIIish
497#else
498#undef ASCIIish
499#endif
500
79072805
LW		 501/*
502 * The following contortions are brought to you on behalf of all the
503 * standards, semi-standards, de facto standards, not-so-de-facto standards
504 * of the world, as well as all the other botches anyone ever thought of.
505 * The basic theory is that if we work hard enough here, the rest of the
506 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
507 */
ac58e20f 508
ee0007ab 509/* define this once if either system, instead of cluttering up the src */
7c458fae 510#if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 511#define DOSISH 1
512#endif
513
739a0b84 514#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 515# define STANDARD_C 1
516#endif
517
8d87852b 518#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 519# define DONT_DECLARE_STD 1
520#endif
521
352d5a3a 522#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 523# define VOL volatile
663a0e37 524#else
79072805 525# define VOL
663a0e37
LW		 526#endif
527
284167a5
S		 528/* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
529 * you get a perl without taint support, but doubtlessly with a lesser
530 * degree of support. Do not do so unless you know exactly what it means
531 * technically, have a good reason to do so, and know exactly how the
532 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
533 * a potential security risk due to flat out ignoring the security-relevant
534 * taint flags. This being said, a perl without taint support compiled in
535 * has marginal run-time performance benefits.
536 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
537 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
538 * silently ignores -t/-T instead of throwing an exception.
053a3618
S		 539 *
540 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
6ecb40c7 541 * voids your nonexistent warranty!
284167a5 542 */
dc6d7f5c 543#if defined(SILENT_NO_TAINT_SUPPORT) && !defined(NO_TAINT_SUPPORT)
284167a5
S		 544# define NO_TAINT_SUPPORT 1
545#endif
546
547/* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
548 * operations into no-ops for a very modest speed-up. Enable only if you
549 * know what you're doing: tests and CPAN modules' tests are bound to fail.
550 */
dc6d7f5c 551#ifdef NO_TAINT_SUPPORT
284167a5
S		 552# define TAINT NOOP
553# define TAINT_NOT NOOP
554# define TAINT_IF(c) NOOP
555# define TAINT_ENV() NOOP
556# define TAINT_PROPER(s) NOOP
557# define TAINT_set(s) NOOP
558# define TAINT_get 0
559# define TAINTING_get 0
560# define TAINTING_set(s) NOOP
561# define TAINT_WARN_get 0
562# define TAINT_WARN_set(s) NOOP
563#else
564# define TAINT (PL_tainted = TRUE)
565# define TAINT_NOT (PL_tainted = FALSE)
2439e033
S		 566# define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = TRUE; }
567# define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); }
568# define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); }
284167a5
S		 569# define TAINT_set(s) (PL_tainted = (s))
570# define TAINT_get (PL_tainted)
571# define TAINTING_get (PL_tainting)
572# define TAINTING_set(s) (PL_tainting = (s))
573# define TAINT_WARN_get (PL_taint_warn)
574# define TAINT_WARN_set(s) (PL_taint_warn = (s))
575#endif
a687059c 576
20be6587
DM		 577/* flags used internally only within pp_subst and pp_substcont */
578#ifdef PERL_CORE
579# define SUBST_TAINT_STR 1 /* string tainted */
580# define SUBST_TAINT_PAT 2 /* pattern tainted */
581# define SUBST_TAINT_REPL 4 /* replacement tainted */
582# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
583# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
584#endif
585
d460ef45 586/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 587 defines move there? If so, I could simplify this a lot. --AD 9/96.
588*/
589/* Process group stuff changed from traditional BSD to POSIX.
590 perlfunc.pod documents the traditional BSD-style syntax, so we'll
591 try to preserve that, if possible.
592*/
593#ifdef HAS_SETPGID
594# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 595#else
a6e633de 596# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
597# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
598# else
599# ifdef HAS_SETPGRP2 /* DG/UX */
600# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
601# endif
602# endif
603#endif
604#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
605# define HAS_SETPGRP /* Well, effectively it does . . . */
606#endif
607
608/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
609 our life easier :-) so we'll try it.
610*/
611#ifdef HAS_GETPGID
612# define BSD_GETPGRP(pid) getpgid((pid))
613#else
614# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
615# define BSD_GETPGRP(pid) getpgrp((pid))
616# else
617# ifdef HAS_GETPGRP2 /* DG/UX */
618# define BSD_GETPGRP(pid) getpgrp2((pid))
619# endif
620# endif
621#endif
622#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
623# define HAS_GETPGRP /* Well, effectively it does . . . */
624#endif
625
d460ef45 626/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 627 have different behaviors, but perl.h used to define USE_BSDPGRP
628 (prior to 5.003_05) so some extension might depend on it.
629*/
630#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
631# ifndef USE_BSDPGRP
632# define USE_BSDPGRP
633# endif
663a0e37
LW		 634#endif
635
486ec47a 636/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH		 637 pthread.h must be included before all other header files.
638*/
3db8f154 639#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 640# include <pthread.h>
641#endif
642
58ab9e8b 643#include <sys/types.h>
663a0e37 644
760ac839
LW		 645#ifdef __cplusplus
646# ifndef I_STDARG
647# define I_STDARG 1
648# endif
649#endif
650
651#ifdef I_STDARG
652# include <stdarg.h>
653#else
654# ifdef I_VARARGS
655# include <varargs.h>
656# endif
657#endif
658
4633a7c4 659#ifdef USE_NEXT_CTYPE
0c30d9ec 660
092bebab
JH		 661#if NX_CURRENT_COMPILER_RELEASE >= 500
662# include <bsd/ctypes.h>
663#else
664# if NX_CURRENT_COMPILER_RELEASE >= 400
665# include <objc/NXCType.h>
666# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
667# include <appkit/NXCType.h>
668# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
669#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 670
671#else /* !USE_NEXT_CTYPE */
fe14fcc3 672#include <ctype.h>
0c30d9ec 673#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 674
675#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
676#undef METHOD
a0d0e21e
LW		 677#endif
678
12ae5dfc
JH		 679#ifdef PERL_MICRO
680# define NO_LOCALE
681#endif
682
4633a7c4 683#ifdef I_LOCALE
36477c24 684# include <locale.h>
4633a7c4
LW		 685#endif
686
36477c24 687#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
688# define USE_LOCALE
ccd65d51
KW		 689# define HAS_SKIP_LOCALE_INIT /* Solely for XS code to test for this
690 capability */
36477c24 691# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
692 && defined(HAS_STRXFRM)
693# define USE_LOCALE_COLLATE
694# endif
695# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
696# define USE_LOCALE_CTYPE
697# endif
698# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
699# define USE_LOCALE_NUMERIC
700# endif
fa9b773e
KW		 701# if !defined(NO_LOCALE_MESSAGES) && defined(LC_MESSAGES)
702# define USE_LOCALE_MESSAGES
703# endif
704# if !defined(NO_LOCALE_MONETARY) && defined(LC_MONETARY)
705# define USE_LOCALE_MONETARY
706# endif
b385bb4d
KW		 707# ifndef WIN32 /* No wrapper except on Windows */
708# define my_setlocale(a,b) setlocale(a,b)
709# endif
36477c24 710#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 711
fe14fcc3 712#include <setjmp.h>
79072805 713
a0d0e21e 714#ifdef I_SYS_PARAM
79072805
LW		 715# ifdef PARAM_NEEDS_TYPES
716# include <sys/types.h>
717# endif
718# include <sys/param.h>
352d5a3a 719#endif
79072805 720
ce3470dc
AD		 721/* On BSD-derived systems, <sys/param.h> defines BSD to a year-month
722 value something like 199306. This may be useful if no more-specific
723 feature test is available.
724*/
725#if defined(BSD)
726# ifndef BSDish
727# define BSDish
728# endif
729#endif
730
79072805 731/* Use all the "standard" definitions? */
a0d0e21e 732#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 733# include <stdlib.h>
ff68c719 734#endif
03a14243 735
3f270f98
JH		 736/* If this causes problems, set i_unistd=undef in the hint file. */
737#ifdef I_UNISTD
738# include <unistd.h>
739#endif
740
de8ca8af
NT		 741/* for WCOREDUMP */
742#ifdef I_SYS_WAIT
743# include <sys/wait.h>
744#endif
745
9969cdde 746#ifdef __SYMBIAN32__
27da23d5
JH		 747# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
748#endif
749
21e89b5f 750#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO)
c45598c5 751EXTERN_C int syscall(int, ...);
2ef53570
JH		 752#endif
753
21e89b5f 754#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO)
c45598c5 755EXTERN_C int usleep(unsigned int);
2ef53570
JH		 756#endif
757
1109a392
MHM		 758#ifdef PERL_CORE
759
760/* macros for correct constant construction */
761# if INTSIZE >= 2
762# define U16_CONST(x) ((U16)x##U)
763# else
764# define U16_CONST(x) ((U16)x##UL)
765# endif
766
767# if INTSIZE >= 4
768# define U32_CONST(x) ((U32)x##U)
769# else
770# define U32_CONST(x) ((U32)x##UL)
771# endif
772
773# ifdef HAS_QUAD
774# if INTSIZE >= 8
775# define U64_CONST(x) ((U64)x##U)
776# elif LONGSIZE >= 8
777# define U64_CONST(x) ((U64)x##UL)
778# elif QUADKIND == QUAD_IS_LONG_LONG
779# define U64_CONST(x) ((U64)x##ULL)
52865553
SH		 780# elif QUADKIND == QUAD_IS___INT64
781# define U64_CONST(x) ((U64)x##UI64)
1109a392
MHM		 782# else /* best guess we can make */
783# define U64_CONST(x) ((U64)x##UL)
784# endif
785# endif
786
787/* byte-swapping functions for big-/little-endian conversion */
788# define _swab_16_(x) ((U16)( \
789 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
790 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
791
792# define _swab_32_(x) ((U32)( \
793 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
794 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
795 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
796 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
797
798# ifdef HAS_QUAD
799# define _swab_64_(x) ((U64)( \
800 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
801 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
802 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
803 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
804 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
805 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
806 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
807 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
808# endif
809
9c17f24a
NC		 810/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
811 at least on FreeBSD. YMMV, so experiment. */
812#ifndef PERL_ARENA_SIZE
813#define PERL_ARENA_SIZE 4080
814#endif
815
ccb2c8b8 816/* Maximum level of recursion */
2b9dff67
RGS		 817#ifndef PERL_SUB_DEPTH_WARN
818#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 819#endif
820
1109a392
MHM		 821#endif /* PERL_CORE */
822
bdf3085f
NC		 823/* We no longer default to creating a new SV for GvSV.
824 Do this before embed. */
825#ifndef PERL_CREATE_GVSV
7459f06b
NC		 826# ifndef PERL_DONT_CREATE_GVSV
827# define PERL_DONT_CREATE_GVSV
828# endif
bdf3085f
NC		 829#endif
830
ca0c25f6
NC		 831#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
832#define PERL_USES_PL_PIDSTATUS
833#endif
834
739a0b84 835#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
a62746fa
RGS		 836#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
837#endif
838
c31fac66
GS		 839#define MEM_SIZE Size_t
840
1936d2a7
NC		 841/* Round all values passed to malloc up, by default to a multiple of
842 sizeof(size_t)
843*/
844#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
845#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
846#endif
847
f1200559
WH		 848/* sv_grow() will expand strings by at least a certain percentage of
849 the previously *used* length to avoid excessive calls to realloc().
850 The default is 25% of the current length.
851*/
852#ifndef PERL_STRLEN_EXPAND_SHIFT
853# define PERL_STRLEN_EXPAND_SHIFT 2
854#endif
855
51371543
GS		 856#if defined(STANDARD_C) && defined(I_STDDEF)
857# include <stddef.h>
858# define STRUCT_OFFSET(s,m) offsetof(s,m)
859#else
860# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
861#endif
862
9969cdde 863#ifndef __SYMBIAN32__
27da23d5
JH		 864# if defined(I_STRING) || defined(__cplusplus)
865# include <string.h>
866# else
867# include <strings.h>
868# endif
51371543
GS		 869#endif
870
55497cff 871/* This comes after <stdlib.h> so we don't try to change the standard
872 * library prototypes; we'll use our own in proto.h instead. */
03a14243 873
4633a7c4 874#ifdef MYMALLOC
86058a2d 875# ifdef PERL_POLLUTE_MALLOC
ee13e175 876# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 877# define Perl_malloc malloc
878# define Perl_calloc calloc
879# define Perl_realloc realloc
880# define Perl_mfree free
ee13e175 881# endif
86058a2d
GS		 882# else
883# define EMBEDMYMALLOC /* for compatibility */
884# endif
827e134a 885
651b9576
GS		 886# define safemalloc Perl_malloc
887# define safecalloc Perl_calloc
888# define saferealloc Perl_realloc
889# define safefree Perl_mfree
22f7c9c9
JH		 890# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
891 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
892 code; \
893 } STMT_END
894# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
895 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
896# define panic_write2(s) write(2, s, strlen(s))
897# define CHECK_MALLOC_TAINT(newval) \
898 CHECK_MALLOC_TOO_LATE_FOR_( \
899 if (newval) { \
900 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
901 exit(1); })
22f7c9c9 902# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 903 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 904 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
905 }} STMT_END;
f2517201
GS		 906#else /* MYMALLOC */
907# define safemalloc safesysmalloc
908# define safecalloc safesyscalloc
909# define saferealloc safesysrealloc
910# define safefree safesysfree
22f7c9c9
JH		 911# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
912# define CHECK_MALLOC_TAINT(newval) ((void)0)
913# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 914#endif /* MYMALLOC */
4633a7c4 915
fe13d51d 916/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 917#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		 918#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
919#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
920#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
921
a0d0e21e
LW		 922#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
923#define strchr index
924#define strrchr rindex
925#endif
926
16d20bd9
AD		 927#ifdef I_MEMORY
928# include <memory.h>
929#endif
930
fe14fcc3 931#ifdef HAS_MEMCPY
85e6fe83 932# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 933# ifndef memcpy
20ce7b12 934 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 935# endif
936# endif
937#else
938# ifndef memcpy
939# ifdef HAS_BCOPY
940# define memcpy(d,s,l) bcopy(s,d,l)
941# else
942# define memcpy(d,s,l) my_bcopy(s,d,l)
943# endif
944# endif
945#endif /* HAS_MEMCPY */
fe14fcc3 946
ee0007ab 947#ifdef HAS_MEMSET
85e6fe83 948# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 949# ifndef memset
20ce7b12 950 extern char *memset (char*, int, int);
ee0007ab
LW		 951# endif
952# endif
ee0007ab 953#else
12ae5dfc 954# undef memset
fc36a67e 955# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 956#endif /* HAS_MEMSET */
957
85e6fe83 958#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 959# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 960# define memmove(d,s,l) bcopy(s,d,l)
961# else
2304df62 962# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 963# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 964# else
79072805 965# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 966# endif
352d5a3a 967# endif
d9d8d8de 968#endif
ee0007ab 969
36477c24 970#if defined(mips) && defined(ultrix) && !defined(__STDC__)
971# undef HAS_MEMCMP
972#endif
973
974#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 975# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 976# ifndef memcmp
20ce7b12 977 extern int memcmp (char*, char*, int);
ee0007ab
LW		 978# endif
979# endif
980#else
981# ifndef memcmp
ecfc5424 982# define memcmp my_memcmp
352d5a3a 983# endif
36477c24 984#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 985
fc36a67e 986#ifndef memzero
c635e13b 987# ifdef HAS_MEMSET
988# define memzero(d,l) memset(d,0,l)
79072805 989# else
c635e13b 990# ifdef HAS_BZERO
991# define memzero(d,l) bzero(d,l)
79072805 992# else
fc36a67e 993# define memzero(d,l) my_bzero(d,l)
79072805
LW		 994# endif
995# endif
d9d8d8de 996#endif
378cc40b 997
2f42fcb0 998#ifndef PERL_MICRO
0f27ced1
JH		 999#ifndef memchr
1000# ifndef HAS_MEMCHR
1001# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1002# endif
1003#endif
2f42fcb0 1004#endif
0f27ced1 1005
36477c24 1006#ifndef HAS_BCMP
1007# ifndef bcmp
1008# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1009# endif
36477c24 1010#endif /* !HAS_BCMP */
378cc40b 1011
ae986130 1012#ifdef I_NETINET_IN
79072805 1013# include <netinet/in.h>
ae986130
LW		 1014#endif
1015
28e8609d
JH		 1016#ifdef I_ARPA_INET
1017# include <arpa/inet.h>
1018#endif
1019
1aef975c 1020#ifdef I_SYS_STAT
84902520 1021# include <sys/stat.h>
1aef975c 1022#endif
79072805 1023
287a962e
JD		 1024/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1025 This definition should ideally go into win32/win32.h, but S_IFIFO is
1026 used later here in perl.h before win32/win32.h is being included. */
1027#if !defined(S_IFIFO) && defined(_S_IFIFO)
1028# define S_IFIFO _S_IFIFO
1029#endif
1030
cc3315ba 1031/* The stat macros for Unisoft System V/88 (and derivatives
a0d0e21e
LW		 1032 like UTekV) are broken, sometimes giving false positives. Undefine
1033 them here and let the code below set them to proper values.
1034
1035 The ghs macro stands for GreenHills Software C-1.8.5 which
1036 is the C compiler for sysV88 and the various derivatives.
1037 This header file bug is corrected in gcc-2.5.8 and later versions.
1038 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1039
cc3315ba 1040#if defined(m88k) && defined(ghs)
79072805
LW		 1041# undef S_ISDIR
1042# undef S_ISCHR
1043# undef S_ISBLK
1044# undef S_ISREG
1045# undef S_ISFIFO
1046# undef S_ISLNK
ee0007ab 1047#endif
135863df 1048
663a0e37
LW		 1049#ifdef I_TIME
1050# include <time.h>
ffed7fef 1051#endif
663a0e37 1052
fe14fcc3 1053#ifdef I_SYS_TIME
85e6fe83 1054# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1055# define KERNEL
1056# endif
1057# include <sys/time.h>
85e6fe83 1058# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1059# undef KERNEL
1060# endif
a687059c 1061#endif
135863df 1062
55497cff 1063#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1064# include <sys/times.h>
d9d8d8de 1065#endif
8d063cd8 1066
fe14fcc3 1067#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1068# undef HAS_STRERROR
663a0e37
LW		 1069#endif
1070
1071#include <errno.h>
1e743fda 1072
acfe0abc 1073#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1074# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1075#endif
1076
8cfab5ff 1077/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1078 * This is important for using IPv6.
8cfab5ff
JH		 1079 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1080 * a bad idea since it breaks send() and recv(). */
1081#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1082# define _SOCKADDR_LEN
1083#endif
1084
da70cfc6 1085#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH		 1086# include <sys/socket.h>
1087# if defined(USE_SOCKS) && defined(I_SOCKS)
1088# if !defined(INCLUDE_PROTOTYPES)
1089# define INCLUDE_PROTOTYPES /* for <socks.h> */
1090# define PERL_SOCKS_NEED_PROTOTYPES
1091# endif
1092# include <socks.h>
1093# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1094# undef INCLUDE_PROTOTYPES
1095# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1096# endif
d460ef45 1097# endif
1e743fda 1098# ifdef I_NETDB
2986a63f
JH		 1099# ifdef NETWARE
1100# include<stdio.h>
1101# endif
1e743fda
JH		 1102# include <netdb.h>
1103# endif
1104# ifndef ENOTSOCK
1105# ifdef I_NET_ERRNO
1106# include <net/errno.h>
1107# endif
1108# endif
1109#endif
1110
fa0a29af 1111/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1112 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1113 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1114#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1115# if defined(__THROW) && defined(__GLIBC__)
1116int sockatmark(int) __THROW;
1117# else
2ef53570 1118int sockatmark(int);
29820b6d 1119# endif
2ef53570
JH		 1120#endif
1121
7e827271 1122#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		 1123EXTERN_C int fchdir(int);
1124EXTERN_C int flock(int, int);
1125EXTERN_C int fseeko(FILE *, off_t, int);
1126EXTERN_C off_t ftello(FILE *);
1127#endif
1128
7e827271 1129#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1130EXTERN_C char *crypt(const char *, const char *);
7e827271 1131EXTERN_C char **environ;
1ccb7c8d
JH		 1132#endif
1133
83a6ff2e 1134#if defined(__cplusplus)
ce3470dc 1135# if defined(BSDish)
b91fbb93 1136EXTERN_C char **environ;
83a6ff2e 1137# elif defined(__CYGWIN__)
667e2948
SP		 1138EXTERN_C char *crypt(const char *, const char *);
1139#endif
83a6ff2e 1140#endif
667e2948 1141
1e743fda
JH		 1142#ifdef SETERRNO
1143# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1144#endif
f86702cc 1145
1146#ifdef VMS
1147# define SETERRNO(errcode,vmserrcode) \
1148 STMT_START { \
1149 set_errno(errcode); \
1150 set_vaxc_errno(vmserrcode); \
1151 } STMT_END
4ee39169
CS		 1152# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1153# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1154# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1155# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1156
93189314
JH		 1157# define LIB_INVARG LIB$_INVARG
1158# define RMS_DIR RMS$_DIR
1159# define RMS_FAC RMS$_FAC
1160# define RMS_FEX RMS$_FEX
1161# define RMS_FNF RMS$_FNF
1162# define RMS_IFI RMS$_IFI
1163# define RMS_ISI RMS$_ISI
1164# define RMS_PRV RMS$_PRV
1165# define SS_ACCVIO SS$_ACCVIO
1166# define SS_DEVOFFLINE SS$_DEVOFFLINE
1167# define SS_IVCHAN SS$_IVCHAN
1168# define SS_NORMAL SS$_NORMAL
748a9306 1169#else
93189314
JH		 1170# define LIB_INVARG 0
1171# define RMS_DIR 0
1172# define RMS_FAC 0
1173# define RMS_FEX 0
1174# define RMS_FNF 0
1175# define RMS_IFI 0
1176# define RMS_ISI 0
1177# define RMS_PRV 0
1178# define SS_ACCVIO 0
1179# define SS_DEVOFFLINE 0
1180# define SS_IVCHAN 0
1181# define SS_NORMAL 0
748a9306 1182#endif
ed6116ce 1183
6ca940a9
TC		 1184#ifdef WIN32
1185# define dSAVEDERRNO int saved_errno; DWORD saved_win32_errno
1186# define dSAVE_ERRNO int saved_errno = errno; DWORD saved_win32_errno = GetLastError()
1187# define SAVE_ERRNO ( saved_errno = errno, saved_win32_errno = GetLastError() )
1188# define RESTORE_ERRNO ( errno = saved_errno, SetLastError(saved_win32_errno) )
1189#endif
1190
1191#ifdef OS2
1192# define dSAVEDERRNO int saved_errno; unsigned long saved_os2_errno
1193# define dSAVE_ERRNO int saved_errno = errno; unsigned long saved_os2_errno = Perl_rc
1194# define SAVE_ERRNO ( saved_errno = errno, saved_os2_errno = Perl_rc )
1195# define RESTORE_ERRNO ( errno = saved_errno, Perl_rc = saved_os2_errno )
1196#endif
1197
1198#ifndef SETERRNO
1199# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
1200#endif
1201
1202#ifndef dSAVEDERRNO
1203# define dSAVEDERRNO int saved_errno
1204# define dSAVE_ERRNO int saved_errno = errno
1205# define SAVE_ERRNO (saved_errno = errno)
1206# define RESTORE_ERRNO (errno = saved_errno)
1207#endif
1208
f5fa9033 1209#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC		 1210
1211#define CLEAR_ERRSV() STMT_START { \
1212 if (!GvSV(PL_errgv)) { \
1213 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1214 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1215 SvREFCNT_dec(GvSV(PL_errgv)); \
1216 GvSV(PL_errgv) = newSVpvs(""); \
1217 } else { \
1218 SV *const errsv = GvSV(PL_errgv); \
1219 sv_setpvs(errsv, ""); \
1220 if (SvMAGICAL(errsv)) { \
1221 mg_free(errsv); \
1222 } \
1223 SvPOK_only(errsv); \
1224 } \
1225 } STMT_END
1226
1227
414bf5ae
MHM		 1228#ifdef PERL_CORE
1229# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC		 1230# define DEFSV_set(sv) \
1231 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1232# define SAVE_DEFSV \
1233 ( \
1234 save_gp(PL_defgv, 0), \
1235 GvINTRO_off(PL_defgv), \
1236 SAVEGENERICSV(GvSV(PL_defgv)), \
1237 GvSV(PL_defgv) = NULL \
1238 )
414bf5ae
MHM		 1239#else
1240# define DEFSV GvSVn(PL_defgv)
55b5114f
FC		 1241# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1242# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1243#endif
38a03e6e 1244
55497cff 1245#ifndef errno
5ff3f7a4
GS		 1246 extern int errno; /* ANSI allows errno to be an lvalue expr.
1247 * For example in multithreaded environments
1248 * something like this might happen:
1249 * extern int *_errno(void);
1250 * #define errno (*_errno()) */
d9d8d8de 1251#endif
663a0e37 1252
7e996671
KW		 1253#define UNKNOWN_ERRNO_MSG "(unknown)"
1254
2304df62 1255#ifdef HAS_STRERROR
b3e384bf 1256# ifndef DONT_DECLARE_STD
a0d0e21e 1257# ifdef VMS
20ce7b12 1258 char *strerror (int,...);
a0d0e21e 1259# else
20ce7b12 1260 char *strerror (int);
a0d0e21e 1261# endif
b3e384bf
KW		 1262# endif
1263# ifndef Strerror
1264# define Strerror strerror
1265# endif
2304df62
AD		 1266#else
1267# ifdef HAS_SYS_ERRLIST
79072805
LW		 1268 extern int sys_nerr;
1269 extern char *sys_errlist[];
2304df62
AD		 1270# ifndef Strerror
1271# define Strerror(e) \
7e996671 1272 ((e) < 0 || (e) >= sys_nerr ? UNKNOWN_ERRNO_MSG : sys_errlist[e])
2304df62 1273# endif
79072805 1274# endif
35c8bce7 1275#endif
663a0e37 1276
2304df62 1277#ifdef I_SYS_IOCTL
79072805
LW		 1278# ifndef _IOCTL_
1279# include <sys/ioctl.h>
1280# endif
a687059c
LW		 1281#endif
1282
ee0007ab 1283#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1284# ifdef HAS_SOCKETPAIR
1285# undef HAS_SOCKETPAIR
1286# endif
2304df62
AD		 1287# ifdef I_NDBM
1288# undef I_NDBM
79072805 1289# endif
a687059c
LW		 1290#endif
1291
02fc2eee
NC		 1292#ifndef HAS_SOCKETPAIR
1293# ifdef HAS_SOCKET
1294# define socketpair Perl_my_socketpair
1295# endif
1296#endif
1297
a687059c 1298#if INTSIZE == 2
79072805
LW		 1299# define htoni htons
1300# define ntohi ntohs
a687059c 1301#else
79072805
LW		 1302# define htoni htonl
1303# define ntohi ntohl
a687059c
LW		 1304#endif
1305
a0d0e21e 1306/* Configure already sets Direntry_t */
35c8bce7 1307#if defined(I_DIRENT)
663a0e37 1308# include <dirent.h>
8f1f23e8
W		 1309 /* NeXT needs dirent + sys/dir.h */
1310# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1311# include <sys/dir.h>
1312# endif
ae986130 1313#else
fe14fcc3 1314# ifdef I_SYS_NDIR
79a0689e 1315# include <sys/ndir.h>
663a0e37 1316# else
fe14fcc3 1317# ifdef I_SYS_DIR
79a0689e
LW		 1318# ifdef hp9000s500
1319# include <ndir.h> /* may be wrong in the future */
1320# else
1321# include <sys/dir.h>
1322# endif
663a0e37
LW		 1323# endif
1324# endif
4633a7c4 1325#endif
a687059c 1326
c623bd54
LW		 1327/*
1328 * The following gobbledygook brought to you on behalf of __STDC__.
1329 * (I could just use #ifndef __STDC__, but this is more bulletproof
1330 * in the face of half-implementations.)
1331 */
1332
21e89b5f 1333#if defined(I_SYSMODE)
ca6e1c26
JH		 1334#include <sys/mode.h>
1335#endif
1336
c623bd54
LW		 1337#ifndef S_IFMT
1338# ifdef _S_IFMT
1339# define S_IFMT _S_IFMT
1340# else
1341# define S_IFMT 0170000
1342# endif
1343#endif
1344
1345#ifndef S_ISDIR
1346# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1347#endif
1348
1349#ifndef S_ISCHR
1350# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1351#endif
1352
1353#ifndef S_ISBLK
fe14fcc3
LW		 1354# ifdef S_IFBLK
1355# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1356# else
1357# define S_ISBLK(m) (0)
1358# endif
c623bd54
LW		 1359#endif
1360
1361#ifndef S_ISREG
1362# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1363#endif
1364
1365#ifndef S_ISFIFO
fe14fcc3
LW		 1366# ifdef S_IFIFO
1367# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1368# else
1369# define S_ISFIFO(m) (0)
1370# endif
c623bd54
LW		 1371#endif
1372
1373#ifndef S_ISLNK
1374# ifdef _S_ISLNK
1375# define S_ISLNK(m) _S_ISLNK(m)
1376# else
1377# ifdef _S_IFLNK
1378# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1379# else
1380# ifdef S_IFLNK
1381# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1382# else
1383# define S_ISLNK(m) (0)
1384# endif
1385# endif
1386# endif
1387#endif
1388
1389#ifndef S_ISSOCK
1390# ifdef _S_ISSOCK
1391# define S_ISSOCK(m) _S_ISSOCK(m)
1392# else
1393# ifdef _S_IFSOCK
1394# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1395# else
1396# ifdef S_IFSOCK
1397# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1398# else
1399# define S_ISSOCK(m) (0)
1400# endif
1401# endif
1402# endif
1403#endif
1404
1405#ifndef S_IRUSR
1406# ifdef S_IREAD
1407# define S_IRUSR S_IREAD
1408# define S_IWUSR S_IWRITE
1409# define S_IXUSR S_IEXEC
1410# else
1411# define S_IRUSR 0400
1412# define S_IWUSR 0200
1413# define S_IXUSR 0100
1414# endif
fac7cdfc
JS		 1415#endif
1416
1417#ifndef S_IRGRP
1418# ifdef S_IRUSR
1419# define S_IRGRP (S_IRUSR>>3)
1420# define S_IWGRP (S_IWUSR>>3)
1421# define S_IXGRP (S_IXUSR>>3)
1422# else
1423# define S_IRGRP 0040
1424# define S_IWGRP 0020
1425# define S_IXGRP 0010
1426# endif
1427#endif
1428
1429#ifndef S_IROTH
1430# ifdef S_IRUSR
1431# define S_IROTH (S_IRUSR>>6)
1432# define S_IWOTH (S_IWUSR>>6)
1433# define S_IXOTH (S_IXUSR>>6)
1434# else
1435# define S_IROTH 0040
1436# define S_IWOTH 0020
1437# define S_IXOTH 0010
1438# endif
c623bd54
LW		 1439#endif
1440
1441#ifndef S_ISUID
1442# define S_ISUID 04000
1443#endif
1444
1445#ifndef S_ISGID
1446# define S_ISGID 02000
1447#endif
1448
ca6e1c26
JH		 1449#ifndef S_IRWXU
1450# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1451#endif
ca6e1c26
JH		 1452
1453#ifndef S_IRWXG
1454# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1455#endif
ca6e1c26
JH		 1456
1457#ifndef S_IRWXO
1458# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1459#endif
ca6e1c26 1460
b6c36746 1461/* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1462 * which would get included through <sys/file.h >, but that is 3000
1463 * lines in the future. --jhi */
1464
b6c36746 1465#if !defined(S_IREAD) && !defined(__HAIKU__)
ca6e1c26
JH		 1466# define S_IREAD S_IRUSR
1467#endif
1468
b6c36746 1469#if !defined(S_IWRITE) && !defined(__HAIKU__)
ca6e1c26
JH		 1470# define S_IWRITE S_IWUSR
1471#endif
1472
1473#ifndef S_IEXEC
1474# define S_IEXEC S_IXUSR
1475#endif
1476
a0d0e21e 1477#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1478# define SLOPPYDIVIDE
1479#endif
1480
748a9306
LW		 1481#ifdef UV
1482#undef UV
1483#endif
1484
ce582cee
NC		 1485/* For the times when you want the return value of sprintf, and you want it
1486 to be the length. Can't have a thread variable passed in, because C89 has
1487 no varargs macros.
1488*/
1489#ifdef SPRINTF_RETURNS_STRLEN
1490# define my_sprintf sprintf
1491#else
1492# define my_sprintf Perl_my_sprintf
1493#endif
1494
5b692037
JH		 1495/*
1496 * If we have v?snprintf() and the C99 variadic macros, we can just
1497 * use just the v?snprintf(). It is nice to try to trap the buffer
1498 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1499 * gcc statement expressions, then use the function wrappers which try
1500 * to trap the overflow. If we can use the gcc statement expressions,
1501 * we can try that even with the version that uses the C99 variadic
1502 * macros.
5b692037
JH		 1503 */
1504
1208b3dd
JH		 1505/* Note that we do not check against snprintf()/vsnprintf() returning
1506 * negative values because that is non-standard behaviour and we use
1507 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1508 * that should be true only if the snprintf()/vsnprintf() are true
1509 * to the standard. */
1510
dfeee9b1 1511#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1512# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1513# 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 1514# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1515# else
1516# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1517# endif
1518#else
1519# define my_snprintf Perl_my_snprintf
1208b3dd 1520# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1521#endif
1522
dfeee9b1 1523#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1524# ifdef PERL_USE_GCC_BRACE_GROUPS
9e440ecc 1525# 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 1526# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1527# else
1528# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1529# endif
1530#else
1531# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1532# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1533#endif
d9fad198 1534
a6cc4119
SP		 1535#ifdef HAS_STRLCAT
1536# define my_strlcat strlcat
1537#else
1538# define my_strlcat Perl_my_strlcat
1539#endif
1540
1541#ifdef HAS_STRLCPY
1542# define my_strlcpy strlcpy
1543#else
1544# define my_strlcpy Perl_my_strlcpy
1545#endif
1546
05f13f53 1547/*
27d4fb96 1548 The IV type is supposed to be long enough to hold any integral
1549 value or a pointer.
1550 --Andy Dougherty August 1996
1551*/
1552
a22e52b9
JH		 1553typedef IVTYPE IV;
1554typedef UVTYPE UV;
8175356b 1555
10cc9d2a 1556#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1557# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1558# define IV_MAX INT64_MAX
1559# define IV_MIN INT64_MIN
1560# define UV_MAX UINT64_MAX
cae7ae48
JH		 1561# ifndef UINT64_MIN
1562# define UINT64_MIN 0
1563# endif
5ff3f7a4
GS		 1564# define UV_MIN UINT64_MIN
1565# else
1566# define IV_MAX PERL_QUAD_MAX
1567# define IV_MIN PERL_QUAD_MIN
1568# define UV_MAX PERL_UQUAD_MAX
1569# define UV_MIN PERL_UQUAD_MIN
1570# endif
cf2093f6
JH		 1571# define IV_IS_QUAD
1572# define UV_IS_QUAD
79072805 1573#else
8175356b 1574# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1575# define IV_MAX INT32_MAX
1576# define IV_MIN INT32_MIN
716026f9
DL		 1577# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1578# define UV_MAX UINT32_MAX
1579# else
1580# define UV_MAX 4294967295U
1581# endif
cae7ae48
JH		 1582# ifndef UINT32_MIN
1583# define UINT32_MIN 0
1584# endif
5ff3f7a4
GS		 1585# define UV_MIN UINT32_MIN
1586# else
1587# define IV_MAX PERL_LONG_MAX
1588# define IV_MIN PERL_LONG_MIN
1589# define UV_MAX PERL_ULONG_MAX
1590# define UV_MIN PERL_ULONG_MIN
1591# endif
8175356b 1592# if IVSIZE == 8
cf2093f6
JH		 1593# define IV_IS_QUAD
1594# define UV_IS_QUAD
de1c2614
JH		 1595# ifndef HAS_QUAD
1596# define HAS_QUAD
1597# endif
cf2093f6
JH		 1598# else
1599# undef IV_IS_QUAD
1600# undef UV_IS_QUAD
9ea40801 1601#if !defined(PERL_CORE) || defined(USING_MSVC6)
e25d460c
NC		 1602/* We think that removing this decade-old undef this will cause too much
1603 breakage on CPAN for too little gain. (See RT #119753)
9ea40801
SH		 1604 However, we do need HAS_QUAD in the core for use by the drand48 code,
1605 but not for Win32 VC6 because it has poor __int64 support. */
cb4b14d5 1606# undef HAS_QUAD
e25d460c 1607#endif
cf2093f6 1608# endif
79072805 1609#endif
d7d93a81 1610
9a543cee
FC		 1611#define SSize_t_MAX (SSize_t)(~(size_t)0 >> 1)
1612
cae7ae48 1613#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1614#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1615
28e5dec8 1616#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1617#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1618#endif
1619
d460ef45 1620/*
26bb67e2
JH		 1621 * The macros INT2PTR and NUM2PTR are (despite their names)
1622 * bi-directional: they will convert int/float to or from pointers.
1623 * However the conversion to int/float are named explicitly:
1624 * PTR2IV, PTR2UV, PTR2NV.
1625 *
1626 * For int conversions we do not need two casts if pointers are
1627 * the same size as IV and UV. Otherwise we need an explicit
1628 * cast (PTRV) to avoid compiler warnings.
1629 */
56431972
RB		 1630#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1631# define PTRV UV
1632# define INT2PTR(any,d) (any)(d)
1633#else
d460ef45 1634# if PTRSIZE == LONGSIZE
56431972 1635# define PTRV unsigned long
e91e3b10 1636# define PTR2ul(p) (unsigned long)(p)
42718184 1637# else
56431972 1638# define PTRV unsigned
42718184 1639# endif
e91e3b10
RB		 1640#endif
1641
1642#ifndef INT2PTR
56431972 1643# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1644#endif
e91e3b10
RB		 1645
1646#ifndef PTR2ul
1647# define PTR2ul(p) INT2PTR(unsigned long,p)
1648#endif
1649
56431972
RB		 1650#define NUM2PTR(any,d) (any)(PTRV)(d)
1651#define PTR2IV(p) INT2PTR(IV,p)
1652#define PTR2UV(p) INT2PTR(UV,p)
1653#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1654#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1655
8141890a
JH		 1656/* According to strict ANSI C89 one cannot freely cast between
1657 * data pointers and function (code) pointers. There are at least
1658 * two ways around this. One (used below) is to do two casts,
1659 * first the other pointer to an (unsigned) integer, and then
1660 * the integer to the other pointer. The other way would be
1661 * to use unions to "overlay" the pointers. For an example of
1662 * the latter technique, see union dirpu in struct xpvio in sv.h.
1663 * The only feasible use is probably temporarily storing
1664 * function pointers in a data pointer (such as a void pointer). */
1665
e91e3b10
RB		 1666#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1667#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1668
65202027 1669#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1670# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1671# define LONG_DOUBLE_EQUALS_DOUBLE
1672# endif
68d4903c 1673# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1674# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1675# endif
1676#endif
1677
2d4389e4
JH		 1678#ifdef OVR_DBL_DIG
1679/* Use an overridden DBL_DIG */
1680# ifdef DBL_DIG
1681# undef DBL_DIG
1682# endif
1683# define DBL_DIG OVR_DBL_DIG
1684#else
1685/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1686 default value for printing floating point numbers in Gconvert
1687 (see config.h). (It also has other uses, such as figuring out if
1688 a given precision of printing can be done with a double instead of
1689 a long double - Allen).
2d4389e4
JH		 1690*/
1691#ifdef I_LIMITS
1692#include <limits.h>
1693#endif
1694#ifdef I_FLOAT
1695#include <float.h>
1696#endif
1697#ifndef HAS_DBL_DIG
1698#define DBL_DIG 15 /* A guess that works lots of places */
1699#endif
1700#endif
1701
1702#ifdef OVR_LDBL_DIG
1703/* Use an overridden LDBL_DIG */
1704# ifdef LDBL_DIG
1705# undef LDBL_DIG
1706# endif
1707# define LDBL_DIG OVR_LDBL_DIG
1708#else
1709/* The following is all to get LDBL_DIG, in order to pick a nice
1710 default value for printing floating point numbers in Gconvert.
1711 (see config.h)
1712*/
68d4903c
JH		 1713# ifdef I_LIMITS
1714# include <limits.h>
1715# endif
1716# ifdef I_FLOAT
1717# include <float.h>
1718# endif
1719# ifndef HAS_LDBL_DIG
1720# if LONG_DOUBLESIZE == 10
1721# define LDBL_DIG 18 /* assume IEEE */
1722# else
1723# if LONG_DOUBLESIZE == 12
1724# define LDBL_DIG 18 /* gcc? */
1725# else
1726# if LONG_DOUBLESIZE == 16
1727# define LDBL_DIG 33 /* assume IEEE */
1728# else
1729# if LONG_DOUBLESIZE == DOUBLESIZE
1730# define LDBL_DIG DBL_DIG /* bummer */
1731# endif
1732# endif
1733# endif
1734# endif
1735# endif
2d4389e4
JH		 1736#endif
1737
20f6aaab
AS		 1738/*
1739 * This is for making sure we have a good DBL_MAX value, if possible,
1740 * either for usage as NV_MAX or for usage in figuring out if we can
1741 * fit a given long double into a double, if bug-fixing makes it
1742 * necessary to do so. - Allen <allens@cpan.org>
1743 */
1744
205f51d8
AS		 1745#ifdef I_LIMITS
1746# include <limits.h>
20f6aaab
AS		 1747#endif
1748
205f51d8
AS		 1749#ifdef I_VALUES
1750# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1751# include <values.h>
1752# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1753# define DBL_MAX MAXDOUBLE
1754# endif
1755# if defined(MINDOUBLE) && !defined(DBL_MIN)
1756# define DBL_MIN MINDOUBLE
1757# endif
1758# endif
1759#endif /* defined(I_VALUES) */
1760
a22e52b9 1761typedef NVTYPE NV;
8175356b 1762
792d8dab
JH		 1763#ifdef I_IEEEFP
1764# include <ieeefp.h>
1765#endif
923fc586 1766
65202027 1767#ifdef USE_LONG_DOUBLE
923fc586
JH		 1768# ifdef I_SUNMATH
1769# include <sunmath.h>
1770# endif
2d4389e4 1771# define NV_DIG LDBL_DIG
d6c14000
JH		 1772# ifdef LDBL_MANT_DIG
1773# define NV_MANT_DIG LDBL_MANT_DIG
1774# endif
06fc1729
JH		 1775# ifdef LDBL_MIN
1776# define NV_MIN LDBL_MIN
1777# endif
1778# ifdef LDBL_MAX
1779# define NV_MAX LDBL_MAX
1780# endif
1781# ifdef LDBL_MIN_10_EXP
1782# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1783# endif
1784# ifdef LDBL_MAX_10_EXP
1785# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1786# endif
1787# ifdef LDBL_EPSILON
1788# define NV_EPSILON LDBL_EPSILON
1789# endif
f4a14a62
JH		 1790# ifdef LDBL_MAX
1791# define NV_MAX LDBL_MAX
20f6aaab 1792/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1793# else
1794# ifdef HUGE_VALL
1795# define NV_MAX HUGE_VALL
1796# else
1797# ifdef HUGE_VAL
1798# define NV_MAX ((NV)HUGE_VAL)
1799# endif
1800# endif
1801# endif
68d4903c 1802# ifdef HAS_SQRTL
68d4903c
JH		 1803# define Perl_cos cosl
1804# define Perl_sin sinl
1805# define Perl_sqrt sqrtl
1806# define Perl_exp expl
1807# define Perl_log logl
1808# define Perl_atan2 atan2l
1809# define Perl_pow powl
1810# define Perl_floor floorl
1bbae031 1811# define Perl_ceil ceill
68d4903c
JH		 1812# define Perl_fmod fmodl
1813# endif
a3540c92
JH		 1814/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1815# ifdef HAS_MODFL
1816# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1817/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1818 prototype in <math.h> */
1819# ifndef HAS_MODFL_PROTO
a221a8a5 1820EXTERN_C long double modfl(long double, long double *);
51997bc3 1821# endif
03476e8e
JH		 1822# else
1823# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1824 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1825# define Perl_modf(x,y) Perl_my_modfl(x,y)
1826# endif
a3540c92
JH		 1827# endif
1828# ifdef HAS_FREXPL
dff3e0b8 1829# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1830# else
1831# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1832 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1833# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1834# endif
a3540c92 1835# endif
38dbb4c5 1836# ifndef Perl_isnan
758a5d79
JH		 1837# ifdef HAS_ISNANL
1838# define Perl_isnan(x) isnanl(x)
1839# endif
1840# endif
1841# ifndef Perl_isinf
1842# ifdef HAS_FINITEL
1843# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1844# endif
1845# endif
65202027 1846#else
2d4389e4 1847# define NV_DIG DBL_DIG
d6c14000
JH		 1848# ifdef DBL_MANT_DIG
1849# define NV_MANT_DIG DBL_MANT_DIG
1850# endif
06fc1729
JH		 1851# ifdef DBL_MIN
1852# define NV_MIN DBL_MIN
1853# endif
1854# ifdef DBL_MAX
1855# define NV_MAX DBL_MAX
1856# endif
1857# ifdef DBL_MIN_10_EXP
1858# define NV_MIN_10_EXP DBL_MIN_10_EXP
1859# endif
1860# ifdef DBL_MAX_10_EXP
1861# define NV_MAX_10_EXP DBL_MAX_10_EXP
1862# endif
1863# ifdef DBL_EPSILON
1864# define NV_EPSILON DBL_EPSILON
1865# endif
205f51d8 1866# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1867# define NV_MAX DBL_MAX
1868# define NV_MIN DBL_MIN
1869# else
1870# ifdef HUGE_VAL
1871# define NV_MAX HUGE_VAL
1872# endif
1873# endif
65202027
DS		 1874# define Perl_cos cos
1875# define Perl_sin sin
1876# define Perl_sqrt sqrt
1877# define Perl_exp exp
1878# define Perl_log log
1879# define Perl_atan2 atan2
1880# define Perl_pow pow
1881# define Perl_floor floor
1bbae031 1882# define Perl_ceil ceil
65202027 1883# define Perl_fmod fmod
a3540c92 1884# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1885# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1886#endif
1887
1888/* rumor has it that Win32 has _fpclass() */
1889
205f51d8
AS		 1890/* SGI has fpclassl... but not with the same result values,
1891 * and it's via a typedef (not via #define), so will need to redo Configure
1892 * to use. Not worth the trouble, IMO, at least until the below is used
1893 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1894 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1895 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1896
758a5d79
JH		 1897#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1898# ifdef I_IEEFP
1899# include <ieeefp.h>
1900# endif
1901# ifdef I_FP
1902# include <fp.h>
1903# endif
1904# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1905# define Perl_fp_class() fpclassl(x)
1906# else
1907# define Perl_fp_class() fpclass(x)
1908# endif
1909# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1910# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1911# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1912# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1913# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1914# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1915# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1916# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1917# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1918# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1919# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1920# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1921# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1922# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1923# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1924#endif
1925
21e89b5f 1926#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS)
758a5d79
JH		 1927# include <math.h>
1928# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1929# include <fp_class.h>
1930# endif
1931# define Perl_fp_class(x) fp_class(x)
1932# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1933# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1934# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1935# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1936# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1937# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1938# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1939# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1940# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1941# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1942# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1943# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1944# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1945# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1946# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1947#endif
1948
1949#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1950# include <math.h>
1951# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1952# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1953# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1954# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1955# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1956# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1957#endif
1958
1959#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1960# include <math.h>
1961# ifndef _cplusplus
1962# define Perl_fp_class(x) class(x)
1963# else
1964# define Perl_fp_class(x) _class(x)
1965# endif
1966# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1967# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1968# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1969# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1970# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1971# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1972# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1973# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1974# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1975# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1976# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1977# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1978# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1979# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1980# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1981#endif
1982
1983/* rumor has it that Win32 has _isnan() */
1984
1985#ifndef Perl_isnan
a3540c92 1986# ifdef HAS_ISNAN
758a5d79
JH		 1987# define Perl_isnan(x) isnan((NV)x)
1988# else
1989# ifdef Perl_fp_class_nan
1990# define Perl_isnan(x) Perl_fp_class_nan(x)
1991# else
1992# ifdef HAS_UNORDERED
1993# define Perl_isnan(x) unordered((x), 0.0)
1994# else
1995# define Perl_isnan(x) ((x)!=(x))
1996# endif
1997# endif
1998# endif
1999#endif
2000
ca6c63e1
JH		 2001#ifdef UNDER_CE
2002int isnan(double d);
2003#endif
2004
758a5d79
JH		 2005#ifndef Perl_isinf
2006# ifdef HAS_ISINF
2007# define Perl_isinf(x) isinf((NV)x)
a3540c92 2008# else
758a5d79
JH		 2009# ifdef Perl_fp_class_inf
2010# define Perl_isinf(x) Perl_fp_class_inf(x)
2011# else
2012# define Perl_isinf(x) ((x)==NV_INF)
2013# endif
2014# endif
2015#endif
2016
2017#ifndef Perl_isfinite
2018# ifdef HAS_FINITE
2019# define Perl_isfinite(x) finite((NV)x)
2020# else
2021# ifdef HAS_ISFINITE
2022# define Perl_isfinite(x) isfinite(x)
2023# else
2024# ifdef Perl_fp_class_finite
2025# define Perl_isfinite(x) Perl_fp_class_finite(x)
2026# else
2027# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2028# endif
2029# endif
a3540c92 2030# endif
65202027
DS		 2031#endif
2032
a36244b7
JH		 2033/* The default is to use Perl's own atof() implementation (in numeric.c).
2034 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2035 * it is however best to use the native implementation of atof.
2036 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2037 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2038 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2039 * you may need to be using a different function than atof! */
a36244b7
JH		 2040
2041#ifndef USE_PERL_ATOF
2042# ifndef _UNICOS
2043# define USE_PERL_ATOF
2044# endif
2045#else
2046# if USE_PERL_ATOF == 0
2047# undef USE_PERL_ATOF
2048# endif
2049#endif
2050
2051#ifdef USE_PERL_ATOF
2052# define Perl_atof(s) Perl_my_atof(s)
2053# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2054#else
2055# define Perl_atof(s) (NV)atof(s)
2056# define Perl_atof2(s, n) ((n) = atof(s))
2057#endif
cf2093f6 2058
d460ef45 2059/* Previously these definitions used hardcoded figures.
760ac839
LW		 2060 * It is hoped these formula are more portable, although
2061 * no data one way or another is presently known to me.
2062 * The "PERL_" names are used because these calculated constants
2063 * do not meet the ANSI requirements for LONG_MAX, etc., which
2064 * need to be constants acceptable to #if - kja
2065 * define PERL_LONG_MAX 2147483647L
2066 * define PERL_LONG_MIN (-LONG_MAX - 1)
2067 * define PERL ULONG_MAX 4294967295L
2068 */
2069
2070#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2071# include <limits.h>
760ac839 2072#endif
205f51d8 2073/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2074 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2075
99abf803 2076/*
2077 * Try to figure out max and min values for the integral types. THE CORRECT
2078 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2079 * following hacks are used if neither limits.h or values.h provide them:
2080 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2081 * for types < int: (unsigned TYPE)~(unsigned)0
2082 * The argument to ~ must be unsigned so that later signed->unsigned
2083 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2084 * and it must not be smaller than int because ~ does integral promotion.
2085 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2086 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2087 * The latter is a hack which happens to work on some machines but
2088 * does *not* catch any random system, or things like integer types
2089 * with NaN if that is possible.
2090 *
2091 * All of the types are explicitly cast to prevent accidental loss of
2092 * numeric range, and in the hope that they will be less likely to confuse
2093 * over-eager optimizers.
2094 *
2095 */
27d4fb96 2096
99abf803 2097#define PERL_UCHAR_MIN ((unsigned char)0)
2098
2099#ifdef UCHAR_MAX
2100# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2101#else
99abf803 2102# ifdef MAXUCHAR
2103# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2104# else
99abf803 2105# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2106# endif
2107#endif
d460ef45 2108
99abf803 2109/*
2110 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2111 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2112 * depending on local options. Until Configure detects this (or at least
2113 * detects whether the "signed" keyword is available) the CHAR ranges
2114 * will not be included. UCHAR functions normally.
2115 * - kja
2116 */
27d4fb96 2117
99abf803 2118#define PERL_USHORT_MIN ((unsigned short)0)
2119
2120#ifdef USHORT_MAX
2121# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2122#else
99abf803 2123# ifdef MAXUSHORT
2124# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2125# else
ef2f54b0
CB		 2126# ifdef USHRT_MAX
2127# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2128# else
2129# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2130# endif
27d4fb96 2131# endif
2132#endif
2133
27d4fb96 2134#ifdef SHORT_MAX
99abf803 2135# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2136#else
2137# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2138# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2139# else
ef2f54b0
CB		 2140# ifdef SHRT_MAX
2141# define PERL_SHORT_MAX ((short)SHRT_MAX)
2142# else
2143# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2144# endif
27d4fb96 2145# endif
2146#endif
2147
2148#ifdef SHORT_MIN
99abf803 2149# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2150#else
2151# ifdef MINSHORT
99abf803 2152# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2153# else
ef2f54b0
CB		 2154# ifdef SHRT_MIN
2155# define PERL_SHORT_MIN ((short)SHRT_MIN)
2156# else
2157# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2158# endif
27d4fb96 2159# endif
2160#endif
2161
99abf803 2162#ifdef UINT_MAX
2163# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2164#else
99abf803 2165# ifdef MAXUINT
2166# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2167# else
99abf803 2168# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2169# endif
2170#endif
2171
99abf803 2172#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2173
2174#ifdef INT_MAX
99abf803 2175# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2176#else
2177# ifdef MAXINT /* Often used in <values.h> */
99abf803 2178# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2179# else
99abf803 2180# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2181# endif
2182#endif
2183
2184#ifdef INT_MIN
99abf803 2185# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2186#else
2187# ifdef MININT
99abf803 2188# define PERL_INT_MIN ((int)MININT)
27d4fb96 2189# else
2190# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2191# endif
2192#endif
2193
99abf803 2194#ifdef ULONG_MAX
2195# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2196#else
99abf803 2197# ifdef MAXULONG
2198# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2199# else
99abf803 2200# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2201# endif
2202#endif
2203
99abf803 2204#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2205
760ac839 2206#ifdef LONG_MAX
99abf803 2207# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2208#else
2209# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2210# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2211# else
99abf803 2212# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2213# endif
2214#endif
2215
2216#ifdef LONG_MIN
99abf803 2217# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2218#else
2219# ifdef MINLONG
99abf803 2220# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2221# else
27d4fb96 2222# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2223# endif
2224#endif
2225
d7d93a81 2226#ifdef UV_IS_QUAD
99abf803 2227
99abf803 2228# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2229# define PERL_UQUAD_MIN ((UV)0)
99abf803 2230# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2231# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2232
79072805
LW		 2233#endif
2234
ee0007ab 2235typedef MEM_SIZE STRLEN;
450a55e4 2236
598921a7
NC		 2237#ifdef PERL_MAD
2238typedef struct token TOKEN;
2239typedef struct madprop MADPROP;
2240typedef struct nexttoken NEXTTOKE;
2241#endif
79072805
LW		 2242typedef struct op OP;
2243typedef struct cop COP;
2244typedef struct unop UNOP;
2245typedef struct binop BINOP;
2246typedef struct listop LISTOP;
2247typedef struct logop LOGOP;
79072805
LW		 2248typedef struct pmop PMOP;
2249typedef struct svop SVOP;
7934575e 2250typedef struct padop PADOP;
79072805 2251typedef struct pvop PVOP;
79072805
LW		 2252typedef struct loop LOOP;
2253
7aef8e5b 2254#ifdef PERL_CORE
8be227ab
FC		 2255typedef struct opslab OPSLAB;
2256typedef struct opslot OPSLOT;
2257#endif
2258
52db365a 2259typedef struct block_hooks BHK;
1830b3d9 2260typedef struct custom_op XOP;
52db365a 2261
cd1541b2
NC		 2262typedef struct interpreter PerlInterpreter;
2263
d2b3f365 2264/* SGI's <sys/sema.h> has struct sv */
cc3315ba 2265#if defined(__sgi)
d2b3f365 2266# define STRUCT_SV perl_sv
b8d3c5db
JH		 2267#else
2268# define STRUCT_SV sv
2269#endif
2270typedef struct STRUCT_SV SV;
79072805
LW		 2271typedef struct av AV;
2272typedef struct hv HV;
2273typedef struct cv CV;
d2f13c59 2274typedef struct p5rx REGEXP;
79072805 2275typedef struct gp GP;
0c30d9ec 2276typedef struct gv GV;
8990e307 2277typedef struct io IO;
c09156bb 2278typedef struct context PERL_CONTEXT;
79072805
LW		 2279typedef struct block BLOCK;
2280
2281typedef struct magic MAGIC;
2282typedef struct xpv XPV;
2283typedef struct xpviv XPVIV;
ff68c719 2284typedef struct xpvuv XPVUV;
79072805
LW		 2285typedef struct xpvnv XPVNV;
2286typedef struct xpvmg XPVMG;
2287typedef struct xpvlv XPVLV;
d361b004 2288typedef struct xpvinvlist XINVLIST;
79072805
LW		 2289typedef struct xpvav XPVAV;
2290typedef struct xpvhv XPVHV;
2291typedef struct xpvgv XPVGV;
2292typedef struct xpvcv XPVCV;
2293typedef struct xpvbm XPVBM;
2294typedef struct xpvfm XPVFM;
8990e307 2295typedef struct xpvio XPVIO;
79072805
LW		 2296typedef struct mgvtbl MGVTBL;
2297typedef union any ANY;
5f7fde29
GS		 2298typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2299typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2300typedef struct clone_params CLONE_PARAMS;
2301
35e035cc 2302/* a pad or name pad is currently just an AV; but that might change,
7261499d
FC		 2303 * so hide the type. */
2304typedef struct padlist PADLIST;
67634234 2305typedef AV PAD;
35e035cc
FC		 2306typedef AV PADNAMELIST;
2307typedef SV PADNAME;
67634234 2308
13b0f67d
DM		 2309/* enable PERL_NEW_COPY_ON_WRITE by default */
2310#if !defined(PERL_OLD_COPY_ON_WRITE) && !defined(PERL_NEW_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2311# define PERL_NEW_COPY_ON_WRITE
2312#endif
07d01d6e 2313
db2c6cb3
FC		 2314#if defined(PERL_OLD_COPY_ON_WRITE) || defined(PERL_NEW_COPY_ON_WRITE)
2315# if defined(PERL_OLD_COPY_ON_WRITE) && defined(PERL_NEW_COPY_ON_WRITE)
2316# error PERL_OLD_COPY_ON_WRITE and PERL_NEW_COPY_ON_WRITE are exclusive
2317# else
2318# define PERL_ANY_COW
2319# endif
9f351b45
DM		 2320#else
2321# define PERL_SAWAMPERSAND
db2c6cb3
FC		 2322#endif
2323
378cc40b 2324#include "handy.h"
a0d0e21e 2325
6b8eaf93 2326#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2327# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2328# define USE_64_BIT_RAWIO /* implicit */
2329# endif
4564133c
JH		 2330#endif
2331
6b8eaf93
JH		 2332/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2333 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2334 * however, because operating systems like to do that themself. */
2335#ifndef FSEEKSIZE
2336# ifdef HAS_FSEEKO
2337# define FSEEKSIZE LSEEKSIZE
2338# else
2339# define FSEEKSIZE LONGSIZE
d460ef45 2340# endif
6b8eaf93
JH		 2341#endif
2342
2343#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2344# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2345# define USE_64_BIT_STDIO /* implicit */
2346# endif
2347#endif
4564133c 2348
09458382 2349#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2350# ifdef HAS_OFF64_T
2351# undef Off_t
2352# define Off_t off64_t
2353# undef LSEEKSIZE
2354# define LSEEKSIZE 8
5ff3f7a4 2355# endif
d9b3e12d
JH		 2356/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2357 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2358 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2359# if defined(USE_OPEN64)
2360# define open open64
5ff3f7a4 2361# endif
d9b3e12d
JH		 2362# if defined(USE_LSEEK64)
2363# define lseek lseek64
6b8eaf93
JH		 2364# else
2365# if defined(USE_LLSEEK)
2366# define lseek llseek
2367# endif
d9b3e12d
JH		 2368# endif
2369# if defined(USE_STAT64)
2370# define stat stat64
2371# endif
2372# if defined(USE_FSTAT64)
2373# define fstat fstat64
2374# endif
2375# if defined(USE_LSTAT64)
2376# define lstat lstat64
2377# endif
2378# if defined(USE_FLOCK64)
2379# define flock flock64
2380# endif
2381# if defined(USE_LOCKF64)
2382# define lockf lockf64
2383# endif
2384# if defined(USE_FCNTL64)
2385# define fcntl fcntl64
2386# endif
2387# if defined(USE_TRUNCATE64)
2388# define truncate truncate64
2389# endif
2390# if defined(USE_FTRUNCATE64)
2391# define ftruncate ftruncate64
2392# endif
2393#endif
2394
2395#ifdef USE_64_BIT_STDIO
2396# ifdef HAS_FPOS64_T
2397# undef Fpos_t
2398# define Fpos_t fpos64_t
2399# endif
2400/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2401 * will trigger defines like the ones below. Some 64-bit environments,
2402 * however, do not. */
2403# if defined(USE_FOPEN64)
2404# define fopen fopen64
2405# endif
2406# if defined(USE_FSEEK64)
6b8eaf93 2407# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2408# endif
2409# if defined(USE_FTELL64)
6b8eaf93 2410# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2411# endif
2412# if defined(USE_FSETPOS64)
2413# define fsetpos fsetpos64
2414# endif
2415# if defined(USE_FGETPOS64)
2416# define fgetpos fgetpos64
2417# endif
2418# if defined(USE_TMPFILE64)
2419# define tmpfile tmpfile64
2420# endif
2421# if defined(USE_FREOPEN64)
2422# define freopen freopen64
5ff3f7a4
GS		 2423# endif
2424#endif
2425
e37778c2 2426#if defined(OS2)
2c2d71f5
JH		 2427# include "iperlsys.h"
2428#endif
2429
748a9306 2430#ifdef DOSISH
19848b3f
JH		 2431# if defined(OS2)
2432# include "os2ish.h"
2433# else
2434# include "dosish.h"
2435# endif
009819bb 2436#elif defined(VMS)
748a9306 2437# include "vmsish.h"
009819bb 2438#elif defined(PLAN9)
19848b3f 2439# include "./plan9/plan9ish.h"
009819bb 2440#elif defined(__VOS__)
196918b0
PG		 2441# ifdef __GNUC__
2442# include "./vos/vosish.h"
2443# else
2444# include "vos/vosish.h"
2445# endif
009819bb 2446#elif defined(__SYMBIAN32__)
27da23d5 2447# include "symbian/symbianish.h"
009819bb 2448#elif defined(__HAIKU__)
df00ff3b 2449# include "haiku/haikuish.h"
009819bb 2450#else
19848b3f 2451# include "unixish.h"
13b6e58c
JH		 2452#endif
2453
2946a158
JH		 2454/* NSIG logic from Configure --> */
2455/* Strange style to avoid deeply-nested #if/#else/#endif */
2456#ifndef NSIG
2457# ifdef _NSIG
2458# define NSIG (_NSIG)
2459# endif
2460#endif
2461
2462#ifndef NSIG
2463# ifdef SIGMAX
2464# define NSIG (SIGMAX+1)
2465# endif
2466#endif
2467
2468#ifndef NSIG
2469# ifdef SIG_MAX
2470# define NSIG (SIG_MAX+1)
2471# endif
2472#endif
2473
2474#ifndef NSIG
2475# ifdef _SIG_MAX
2476# define NSIG (_SIG_MAX+1)
2477# endif
2478#endif
2479
2480#ifndef NSIG
2481# ifdef MAXSIG
2482# define NSIG (MAXSIG+1)
2483# endif
2484#endif
2485
2486#ifndef NSIG
2487# ifdef MAX_SIG
2488# define NSIG (MAX_SIG+1)
2489# endif
2490#endif
2491
2492#ifndef NSIG
2493# ifdef SIGARRAYSIZE
2494# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2495# endif
2496#endif
2497
2498#ifndef NSIG
2499# ifdef _sys_nsig
2500# define NSIG (_sys_nsig) /* Solaris 2.5 */
2501# endif
2502#endif
2503
2504/* Default to some arbitrary number that's big enough to get most
2505 of the common signals.
2506*/
2507#ifndef NSIG
2508# define NSIG 50
2509#endif
2510/* <-- NSIG logic from Configure */
2511
13b6e58c
JH		 2512#ifndef NO_ENVIRON_ARRAY
2513# define USE_ENVIRON_ARRAY
2514#endif
32f822de 2515
c77b533b
JH		 2516/*
2517 * initialise to avoid floating-point exceptions from overflow, etc
2518 */
2519#ifndef PERL_FPU_INIT
2520# ifdef HAS_FPSETMASK
2521# if HAS_FLOATINGPOINT_H
2522# include <floatingpoint.h>
2523# endif
ad3a8c67
NC		 2524/* Some operating systems have this as a macro, which in turn expands to a comma
2525 expression, and the last sub-expression is something that gets calculated,
2526 and then they have the gall to warn that a value computed is not used. Hence
2527 cast to void. */
2528# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2529# else
2f42fcb0 2530# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2531# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2532# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2533# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2534# else
2535# define PERL_FPU_INIT
2f42fcb0 2536
7014c407 2537# endif
c77b533b
JH		 2538# endif
2539#endif
b35112e7
CS		 2540#ifndef PERL_FPU_PRE_EXEC
2541# define PERL_FPU_PRE_EXEC {
2542# define PERL_FPU_POST_EXEC }
2543#endif
c77b533b 2544
cbec8ebe
DM		 2545#ifndef PERL_SYS_INIT3_BODY
2546# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2547#endif
2548
eb533572 2549/*
4ad9e498 2550=for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
eb533572 2551Provides system-specific tune up of the C runtime environment necessary to
72d33970 2552run Perl interpreters. This should be called only once, before creating
eb533572
DM		 2553any Perl interpreters.
2554
4ad9e498 2555=for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
eb533572 2556Provides system-specific tune up of the C runtime environment necessary to
72d33970 2557run Perl interpreters. This should be called only once, before creating
eb533572
DM		 2558any Perl interpreters.
2559
2560=for apidoc Am|void|PERL_SYS_TERM|
2561Provides system-specific clean up of the C runtime environment after
72d33970 2562running Perl interpreters. This should be called only once, after
eb533572
DM		 2563freeing any remaining Perl interpreters.
2564
2565=cut
2566 */
2567
cbec8ebe
DM		 2568#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2569#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2570#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2571
be708cc0
JH		 2572#ifndef PERL_WRITE_MSG_TO_CONSOLE
2573# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2574#endif
2575
0f31cffe
GS		 2576#ifndef MAXPATHLEN
2577# ifdef PATH_MAX
b990c8b2
JH		 2578# ifdef _POSIX_PATH_MAX
2579# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2580/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2581 * included the null byte or not. Later amendments of POSIX,
2582 * XPG4, the Austin Group, and the Single UNIX Specification
2583 * all explicitly include the null byte in the PATH_MAX.
2584 * Ditto for _POSIX_PATH_MAX. */
2585# define MAXPATHLEN PATH_MAX
b990c8b2 2586# else
09448d78 2587# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2588# endif
2589# else
2590# define MAXPATHLEN (PATH_MAX+1)
2591# endif
0f31cffe 2592# else
d552bce8 2593# define MAXPATHLEN 1024 /* Err on the large side. */
0f31cffe
GS		 2594# endif
2595#endif
2596
c80263a8
SH		 2597/* In case Configure was not used (we are using a "canned config"
2598 * such as Win32, or a cross-compilation setup, for example) try going
2599 * by the gcc major and minor versions. One useful URL is
2600 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2601 * but contrary to this information warn_unused_result seems
2602 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2603 * Also, when building extensions with an installed perl, this allows
2604 * the user to upgrade gcc and get the right attributes, rather than
2605 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2606 * Set these up now otherwise we get confused when some of the <*thread.h>
2607 * includes below indirectly pull in <perlio.h> (which needs to know if we
2608 * have HASATTRIBUTE_FORMAT).
2609 */
2610
4d7c7898 2611#ifndef PERL_MICRO
fc2007d4 2612#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2613# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2614# define HASATTRIBUTE_DEPRECATED
2615# endif
c80263a8
SH		 2616# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2617# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2618# if defined __MINGW32__
2619# define PRINTF_FORMAT_NULL_OK
2620# endif
c80263a8
SH		 2621# endif
2622# if __GNUC__ >= 3 /* 3.0 -> */
2623# define HASATTRIBUTE_MALLOC
2624# endif
2625# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2626# define HASATTRIBUTE_NONNULL
2627# endif
2628# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2629# define HASATTRIBUTE_NORETURN
2630# endif
2631# if __GNUC__ >= 3 /* gcc 3.0 -> */
2632# define HASATTRIBUTE_PURE
2633# endif
42bf5550 2634# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2635# define HASATTRIBUTE_UNUSED
2636# endif
d324fe49
AD		 2637# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2638# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2639# endif
c80263a8
SH		 2640# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2641# define HASATTRIBUTE_WARN_UNUSED_RESULT
2642# endif
2643#endif
00f254e2 2644#endif /* #ifndef PERL_MICRO */
c80263a8 2645
3db8f154 2646/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2647 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2648 * this results in many functions being undeclared which bothers C++
2649 * May make sense to have threads after "*ish.h" anyway
2650 */
2651
3db8f154 2652#if defined(USE_ITHREADS)
2986a63f
JH		 2653# ifdef NETWARE
2654# include <nw5thread.h>
2655# else
32f822de
GS		 2656# ifdef WIN32
2657# include <win32thread.h>
2658# else
dd96f567
IZ		 2659# ifdef OS2
2660# include "os2thread.h"
2661# else
7f3d1cf1 2662# ifdef I_MACH_CTHREADS
bdd66968 2663# include <mach/cthreads.h>
8f1f23e8 2664# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2665# define MUTEX_INIT_CALLS_MALLOC
2666# endif
7f3d1cf1
BH		 2667typedef cthread_t perl_os_thread;
2668typedef mutex_t perl_mutex;
2669typedef condition_t perl_cond;
2670typedef void * perl_key;
2671# else /* Posix threads */
1f5ae88c
JH		 2672# ifdef I_PTHREAD
2673# include <pthread.h>
2674# endif
7f3d1cf1
BH		 2675typedef pthread_t perl_os_thread;
2676typedef pthread_mutex_t perl_mutex;
2677typedef pthread_cond_t perl_cond;
2678typedef pthread_key_t perl_key;
2679# endif /* I_MACH_CTHREADS */
dd96f567 2680# endif /* OS2 */
32f822de 2681# endif /* WIN32 */
ef4abe76 2682# endif /* NETWARE */
3db8f154 2683#endif /* USE_ITHREADS */
c5be433b 2684
66a93824 2685#if defined(WIN32)
1feb2720 2686# include "win32.h"
c5be433b
GS		 2687#endif
2688
2986a63f
JH		 2689#ifdef NETWARE
2690# include "netware.h"
2691#endif
2692
e5218da5 2693#define STATUS_UNIX PL_statusvalue
68dc0745 2694#ifdef VMS
6b88bc9c 2695# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2696/*
2697 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2698 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2699 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2700 * be updated also.
2701 */
2702# include <stsdef.h>
2703# include <ssdef.h>
2704/* Presume this because if VMS changes it, it will require a new
2705 * set of APIs for waiting on children for binary compatibility.
2706 */
2707# define child_offset_bits (8)
2708# ifndef C_FAC_POSIX
2709# define C_FAC_POSIX 0x35A000
2710# endif
2711
2712/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2713 * platform from the existing UNIX or Native status values.
2714 */
2715
37038d91 2716# define STATUS_EXIT \
7a7fd8e0
JM		 2717 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2718 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2719
7a7fd8e0 2720
fb38d079
JM		 2721/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2722 * exit code and shifts the UNIX value over the correct number of bits to
2723 * be a child status. Usually the number of bits is 8, but that could be
2724 * platform dependent. The NATIVE status code is presumed to have either
2725 * from a child process.
7a7fd8e0
JM		 2726 */
2727
fb38d079
JM		 2728/* This is complicated. The child processes return a true native VMS
2729 status which must be saved. But there is an assumption in Perl that
2730 the UNIX child status has some relationship to errno values, so
00f254e2 2731 Perl tries to translate it to text in some of the tests.
fb38d079
JM		 2732 In order to get the string translation correct, for the error, errno
2733 must be EVMSERR, but that generates a different text message
2734 than what the test programs are expecting. So an errno value must
2735 be derived from the native status value when an error occurs.
2736 That will hide the true native status message. With this version of
2737 perl, the true native child status can always be retrieved so that
2738 is not a problem. But in this case, Pl_statusvalue and errno may
2739 have different values in them.
2740 */
7a7fd8e0 2741
fb38d079 2742# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2743 STMT_START { \
2fbb330f
JM		 2744 I32 evalue = (I32)n; \
2745 if (evalue == EVMSERR) { \
2746 PL_statusvalue_vms = vaxc$errno; \
2747 PL_statusvalue = evalue; \
7a7fd8e0 2748 } else { \
2fbb330f 2749 PL_statusvalue_vms = evalue; \
fb38d079 2750 if (evalue == -1) { \
3280af22 2751 PL_statusvalue = -1; \
7a7fd8e0
JM		 2752 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2753 } else \
fb38d079 2754 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2755 set_vaxc_errno(evalue); \
fb38d079
JM		 2756 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2757 set_errno(EVMSERR); \
2758 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2759 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2760 } \
68dc0745 2761 } STMT_END
7a7fd8e0 2762
68dc0745 2763# ifdef VMSISH_STATUS
e5218da5 2764# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2765# else
e5218da5 2766# define STATUS_CURRENT STATUS_UNIX
68dc0745 2767# endif
7a7fd8e0
JM		 2768
2769 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2770 * the NATIVE status to an equivalent value. Can not be used to translate
2771 * exit code values as exit code values are not guaranteed to have any
2772 * relationship at all to errno values.
2773 * This is used when Perl is forcing errno to have a specific value.
2774 */
e5218da5 2775# define STATUS_UNIX_SET(n) \
68dc0745 2776 STMT_START { \
7a7fd8e0 2777 I32 evalue = (I32)n; \
0968cdad 2778 PL_statusvalue = evalue; \
3280af22 2779 if (PL_statusvalue != -1) { \
0968cdad
JM		 2780 if (PL_statusvalue != EVMSERR) { \
2781 PL_statusvalue &= 0xFFFF; \
2782 if (MY_POSIX_EXIT) \
2783 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2784 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2785 } \
2786 else { \
2787 PL_statusvalue_vms = vaxc$errno; \
2788 } \
68dc0745 2789 } \
0968cdad
JM		 2790 else PL_statusvalue_vms = SS$_ABORT; \
2791 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2792 } STMT_END
2793
2794 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 2795 * the NATIVE error status based on it.
2796 *
2797 * When in the default mode to comply with the Perl VMS documentation,
2798 * 0 is a success and any other code sets the NATIVE status to a failure
2799 * code of SS$_ABORT.
fb38d079
JM		 2800 *
2801 * In the new POSIX EXIT mode, native status will be set so that the
2802 * actual exit code will can be retrieved by the calling program or
2803 * shell.
2804 *
2805 * If the exit code is not clearly a UNIX parent or child exit status,
2806 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2807 */
2808
fb38d079 2809# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2810 STMT_START { \
2811 I32 evalue = (I32)n; \
2812 PL_statusvalue = evalue; \
e08e1e1d
JM		 2813 if (MY_POSIX_EXIT) { \
2814 if (evalue <= 0xFF00) { \
2815 if (evalue > 0xFF) \
2816 evalue = (evalue >> child_offset_bits) & 0xFF; \
2817 PL_statusvalue_vms = \
2818 (C_FAC_POSIX | (evalue << 3 ) | \
2819 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
2820 } else /* forgive them Perl, for they have sinned */ \
2821 PL_statusvalue_vms = evalue; \
2822 } else { \
2823 if (evalue == 0) \
2824 PL_statusvalue_vms = SS$_NORMAL; \
2825 else if (evalue <= 0xFF00) \
2826 PL_statusvalue_vms = SS$_ABORT; \
2827 else { /* forgive them Perl, for they have sinned */ \
2828 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2829 else PL_statusvalue_vms = vaxc$errno; \
2830 /* And obviously used a VMS status value instead of UNIX */ \
2831 PL_statusvalue = EVMSERR; \
2832 } \
2833 set_vaxc_errno(PL_statusvalue_vms); \
2834 } \
68dc0745 2835 } STMT_END
fb38d079 2836
e08e1e1d 2837
6ac6a52b
JM		 2838 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2839 * and sets the NATIVE error status based on it. This special case
2840 * is needed to maintain compatibility with past VMS behavior.
2841 *
2842 * In the default mode on VMS, this number is passed through as
2843 * both the NATIVE and UNIX status. Which makes it different
2844 * that the STATUS_UNIX_EXIT_SET.
2845 *
2846 * In the new POSIX EXIT mode, native status will be set so that the
2847 * actual exit code will can be retrieved by the calling program or
2848 * shell.
2849 *
1a3aec58
JM		 2850 * A POSIX exit code is from 0 to 255. If the exit code is higher
2851 * than this, it needs to be assumed that it is a VMS exit code and
2852 * passed through.
6ac6a52b
JM		 2853 */
2854
2855# define STATUS_EXIT_SET(n) \
2856 STMT_START { \
2857 I32 evalue = (I32)n; \
2858 PL_statusvalue = evalue; \
2859 if (MY_POSIX_EXIT) \
1a3aec58
JM		 2860 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
2861 PL_statusvalue_vms = \
2862 (C_FAC_POSIX | (evalue << 3 ) | \
2863 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 2864 else \
2865 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2866 set_vaxc_errno(PL_statusvalue_vms); \
2867 } STMT_END
2868
fb38d079
JM		 2869
2870 /* This macro forces a success status */
7a7fd8e0
JM		 2871# define STATUS_ALL_SUCCESS \
2872 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 2873
2874 /* This macro forces a failure status */
7a7fd8e0
JM		 2875# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2876 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2877 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2878
68dc0745 2879#else
e5218da5 2880# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2881# if defined(WCOREDUMP)
37038d91 2882# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2883 STMT_START { \
2884 PL_statusvalue_posix = (n); \
2885 if (PL_statusvalue_posix == -1) \
2886 PL_statusvalue = -1; \
2887 else { \
2888 PL_statusvalue = \
2889 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2890 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2891 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2892 } \
2893 } STMT_END
2894# elif defined(WIFEXITED)
37038d91 2895# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2896 STMT_START { \
2897 PL_statusvalue_posix = (n); \
2898 if (PL_statusvalue_posix == -1) \
2899 PL_statusvalue = -1; \
2900 else { \
2901 PL_statusvalue = \
2902 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2903 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2904 } \
2905 } STMT_END
2906# else
37038d91 2907# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2908 STMT_START { \
2909 PL_statusvalue_posix = (n); \
2910 if (PL_statusvalue_posix == -1) \
2911 PL_statusvalue = -1; \
2912 else { \
2913 PL_statusvalue = \
2914 PL_statusvalue_posix & 0xFFFF; \
2915 } \
2916 } STMT_END
2917# endif
2918# define STATUS_UNIX_SET(n) \
68dc0745 2919 STMT_START { \
3280af22
NIS		 2920 PL_statusvalue = (n); \
2921 if (PL_statusvalue != -1) \
2922 PL_statusvalue &= 0xFFFF; \
68dc0745 2923 } STMT_END
7a7fd8e0 2924# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2925# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2926# define STATUS_CURRENT STATUS_UNIX
37038d91 2927# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 2928# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2929# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 2930#endif
2931
cc3604b1
GS		 2932/* flags in PL_exit_flags for nature of exit() */
2933#define PERL_EXIT_EXPECTED 0x01
31d77e54 2934#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
6136213b
JGM		 2935#define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */
2936#define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */
cc3604b1 2937
b79b76e0 2938#ifndef PERL_CORE
a7cb1f99 2939/* format to use for version numbers in file/directory names */
273cf8d1 2940/* XXX move to Configure? */
b79b76e0
NC		 2941/* This was only ever used for the current version, and that can be done at
2942 compile time, as PERL_FS_VERSION, so should we just delete it? */
2943# ifndef PERL_FS_VER_FMT
2944# define PERL_FS_VER_FMT "%d.%d.%d"
2945# endif
2946#endif
2947
2948#ifndef PERL_FS_VERSION
2949# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS		 2950#endif
2951
45bc9206 2952/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2953 * performance issue, so we allow people to disable it. Also, if
2954 * we are using stdio, there are broken implementations of fflush(NULL)
2955 * out there, Solaris being the most prominent.
45bc9206
GS		 2956 */
2957#ifndef PERL_FLUSHALL_FOR_CHILD
97cb92d6 2958# if defined(USE_PERLIO) || defined(FFLUSH_NULL)
66fe083f 2959# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2960# else
2961# ifdef FFLUSH_ALL
2962# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2963# else
c5be433b 2964# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2965# endif
66fe083f 2966# endif
45bc9206
GS		 2967#endif
2968
7766f137
GS		 2969#ifndef PERL_WAIT_FOR_CHILDREN
2970# define PERL_WAIT_FOR_CHILDREN NOOP
2971#endif
2972
ba869deb 2973/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2974#ifndef PERL_SET_INTERP
2975# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2976#endif
2977
2978#ifndef PERL_GET_INTERP
2979# define PERL_GET_INTERP (PL_curinterp)
2980#endif
2981
54aff467 2982#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2983# ifdef MULTIPLICITY
ba869deb 2984# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2985# endif
ba869deb
GS		 2986# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2987#endif
2988
00f254e2 2989/*
8896765a 2990 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 2991 All that is required is that the perl source does not
00f254e2
KW		 2992 use "%-p" or "%-<number>p" or "%<number>p" formats.
2993 These formats will still work in perl code.
486ec47a 2994 See comments in sv.c for further details.
8896765a 2995
8896765a 2996 Robin Barker 2005-07-14
f46d31f2 2997
00f254e2 2998 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 2999*/
8896765a
RB		 3000
3001#ifndef SVf_
63ce7bf0 3002# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3003#endif
3004
8896765a 3005#ifndef SVf
104abab4 3006# define SVf "-p"
d2560b70
RB		 3007#endif
3008
014ead4b 3009#ifndef SVf32
8896765a 3010# define SVf32 SVf_(32)
014ead4b
RB		 3011#endif
3012
3013#ifndef SVf256
8896765a
RB		 3014# define SVf256 SVf_(256)
3015#endif
3016
be2597df
MHM		 3017#define SVfARG(p) ((void*)(p))
3018
20023040
FC		 3019#ifndef HEKf
3020# define HEKf "2p"
3021#endif
3022
b8fa5213
FC		 3023/* Not ideal, but we cannot easily include a number in an already-numeric
3024 * format sequence. */
3025#ifndef HEKf256
3026# define HEKf256 "3p"
3027#endif
3028
20023040
FC		 3029#define HEKfARG(p) ((void*)(p))
3030
b17a0679
FC		 3031/* Takes three arguments: is_utf8, length, str */
3032#ifndef UTF8f
61608bb7 3033# define UTF8f "d%" UVuf "%4p"
b17a0679
FC		 3034#endif
3035#define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
3036
f46d31f2 3037#ifdef PERL_CORE
486ec47a 3038/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB		 3039# undef UVf
3040#else
170cd9e9
NC		 3041# ifndef UVf
3042# define UVf UVuf
3043# endif
d2560b70
RB		 3044#endif
3045
fcdf39cf
RGS		 3046#ifdef HASATTRIBUTE_DEPRECATED
3047# define __attribute__deprecated__ __attribute__((deprecated))
3048#endif
0dbb1585
AL		 3049#ifdef HASATTRIBUTE_FORMAT
3050# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3051#endif
3052#ifdef HASATTRIBUTE_MALLOC
77785eea 3053# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3054#endif
0dbb1585 3055#ifdef HASATTRIBUTE_NONNULL
abb2c242 3056# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3057#endif
0dbb1585 3058#ifdef HASATTRIBUTE_NORETURN
abb2c242 3059# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3060#endif
0dbb1585 3061#ifdef HASATTRIBUTE_PURE
abb2c242 3062# define __attribute__pure__ __attribute__((pure))
f22be1b8 3063#endif
0dbb1585
AL		 3064#ifdef HASATTRIBUTE_UNUSED
3065# define __attribute__unused__ __attribute__((unused))
3066#endif
3067#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3068# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3069#endif
3070
0dbb1585 3071/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3072#ifndef __attribute__deprecated__
3073# define __attribute__deprecated__
3074#endif
0dbb1585
AL		 3075#ifndef __attribute__format__
3076# define __attribute__format__(x,y,z)
3077#endif
f22be1b8 3078#ifndef __attribute__malloc__
abb2c242 3079# define __attribute__malloc__
f22be1b8
JH		 3080#endif
3081#ifndef __attribute__nonnull__
abb2c242 3082# define __attribute__nonnull__(a)
f22be1b8
JH		 3083#endif
3084#ifndef __attribute__noreturn__
abb2c242 3085# define __attribute__noreturn__
f22be1b8
JH		 3086#endif
3087#ifndef __attribute__pure__
abb2c242 3088# define __attribute__pure__
f22be1b8 3089#endif
0dbb1585
AL		 3090#ifndef __attribute__unused__
3091# define __attribute__unused__
3092#endif
f22be1b8 3093#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3094# define __attribute__warn_unused_result__
3095#endif
3096
0dbb1585
AL		 3097/* For functions that are marked as __attribute__noreturn__, it's not
3098 appropriate to call return. In either case, include the lint directive.
3099 */
3100#ifdef HASATTRIBUTE_NORETURN
ae103e09 3101# define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */
0dbb1585 3102#else
ae103e09 3103# define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */ return 0
abb2c242
JH		 3104#endif
3105
cdfeb707
RB		 3106/* Some OS warn on NULL format to printf */
3107#ifdef PRINTF_FORMAT_NULL_OK
3108# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3109#else
00f254e2 3110# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB		 3111#endif
3112
635aebb7 3113#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3114# define EXPECT(expr,val) __builtin_expect(expr,val)
3115#else
3116# define EXPECT(expr,val) (expr)
3117#endif
6d5abc62
NC		 3118#define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3119#define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
635aebb7
AL		 3120#ifdef HAS_BUILTIN_CHOOSE_EXPR
3121/* placeholder */
3122#endif
b37c2d43 3123
ae103e09
DD		 3124
3125#ifndef __has_builtin
3126# define __has_builtin(x) 0 /* not a clang style compiler */
3127#endif
3128
3129/* ASSUME is like assert(), but it has a benefit in a release build. It is a
3130 hint to a compiler about a statement of fact in a function call free
3131 expression, which allows the compiler to generate better machine code.
3132 In a debug build, ASSUME(x) is a synonym for assert(x). ASSUME(0) means
3133 the control path is unreachable. In a for loop, ASSUME can be used to hint
3134 that a loop will run atleast X times. ASSUME is based off MSVC's __assume
3135 intrinsic function, see its documents for more details.
3136*/
3137
3138#ifndef DEBUGGING
3139# if __has_builtin(__builtin_unreachable) \
3140 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 5) /* 4.5 -> */
3141# define ASSUME(x) ((x) ? (void) 0 : __builtin_unreachable())
3142# elif defined(_MSC_VER)
3143# define ASSUME(x) __assume(x)
3144# elif defined(__ARMCC_VERSION) /* untested */
3145# define ASSUME(x) __promise(x)
3146# else
3147/* a random compiler might define assert to its own special optimization token
3148 so pass it through to C lib as a last resort */
3149# define ASSUME(x) assert(x)
3150# endif
3151#else
3152# define ASSUME(x) assert(x)
3153#endif
3154
3155#define NOT_REACHED ASSUME(0)
3156
3fc1aec6 3157/* Some unistd.h's give a prototype for pause() even though
3158 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3159 below to be rejected by the compiler. Sigh.
3fc1aec6 3160*/
3161#ifdef HAS_PAUSE
3162#define Pause pause
3163#else
3164#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3165#endif
3166
3167#ifndef IOCPARM_LEN
3168# ifdef IOCPARM_MASK
61f1c44b 3169 /* on BSDish systems we're safe */
748a9306
LW		 3170# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3171# else
61f1c44b 3172# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3173 /* on Linux systems we're safe; except when we're not [perl #38223] */
3174# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3175# else
748a9306 3176 /* otherwise guess at what's safe */
61f1c44b
JVD		 3177# define IOCPARM_LEN(x) 256
3178# endif
748a9306 3179# endif
a0d0e21e
LW		 3180#endif
3181
1761cee5 3182#if defined(__CYGWIN__)
521e0776
GS		 3183/* USEMYBINMODE
3184 * This symbol, if defined, indicates that the program should
16fe6d59 3185 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3186 * that a file is in "binary" mode -- that is, that no translation
3187 * of bytes occurs on read or write operations.
3188 */
36894f0b 3189# define USEMYBINMODE /**/
77a40698 3190# include <io.h> /* for setmode() prototype */
16fe6d59 3191# define my_binmode(fp, iotype, mode) \
77a40698 3192 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3193#endif
3194
88d10794
JH		 3195#ifdef __CYGWIN__
3196void init_os_extras(void);
3197#endif
3198
cea2e8a9
GS		 3199#ifdef UNION_ANY_DEFINITION
3200UNION_ANY_DEFINITION;
3201#else
3202union any {
3203 void* any_ptr;
3204 I32 any_i32;
ae103e09 3205 U32 any_u32;
cea2e8a9 3206 IV any_iv;
c6bf6a65 3207 UV any_uv;
cea2e8a9 3208 long any_long;
9febdf04 3209 bool any_bool;
c76ac1ee 3210 void (*any_dptr) (void*);
acfe0abc 3211 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3212};
3213#endif
3214
acfe0abc 3215typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3216
3217#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3218#define FILTER_DATA(idx) \
3219 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3220#define FILTER_ISREADER(idx) \
3221 (PL_parser && PL_parser->rsfp_filters \
3222 && idx >= AvFILLp(PL_parser->rsfp_filters))
3223#define PERL_FILTER_EXISTS(i) \
3224 (PL_parser && PL_parser->rsfp_filters \
b9f2b683 3225 && (i) <= av_tindex(PL_parser->rsfp_filters))
cea2e8a9 3226
c5078cac
JH		 3227#if defined(_AIX) && !defined(_AIX43)
3228#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3229/* We cannot include <crypt.h> to get the struct crypt_data
3230 * because of setkey prototype problems when threading */
3231typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3232 /* From OSF, Not needed in AIX
3233 char C[28], D[28];
3234 */
3235 char E[48];
3236 char KS[16][48];
3237 char block[66];
3238 char iobuf[16];
3239} CRYPTD;
3240#endif /* threading */
3241#endif /* AIX */
3242
e37778c2 3243#if !defined(OS2)
2c2d71f5
JH		 3244# include "iperlsys.h"
3245#endif
504f80c1 3246
9c12f1e5 3247#ifdef __LIBCATAMOUNT__
00f254e2 3248#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS		 3249#undef HAS_GROUP
3250#define FAKE_BIT_BUCKET
3251#endif
3252
d10dc2ae
JH		 3253/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3254 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3255 * defined by Configure, despite their names being similar to the
3256 * other defines like USE_ITHREADS. Configure in fact knows nothing
3257 * about the randomised hashes. Therefore to enable/disable the hash
3258 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3259#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3260# define USE_HASH_SEED
504f80c1
JH		 3261#endif
3262
598921a7
NC		 3263/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3264 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3265 * it's not really needed.
3266 */
3267#if defined(WIN32)
3268# define YYTOKENTYPE
3269#endif
3270#include "perly.h"
3271
3272#ifdef PERL_MAD
3273struct nexttoken {
3274 YYSTYPE next_val; /* value of next token, if any */
3275 I32 next_type; /* type of next token */
3276 MADPROP *next_mad; /* everything else about that token */
3277};
3278#endif
3279
654eccd5
JD		 3280/* macros to define bit-fields in structs. */
3281#ifndef PERL_BITFIELD8
3282# define PERL_BITFIELD8 unsigned
3283#endif
3284#ifndef PERL_BITFIELD16
3285# define PERL_BITFIELD16 unsigned
3286#endif
3287#ifndef PERL_BITFIELD32
3288# define PERL_BITFIELD32 unsigned
3289#endif
3290
79072805 3291#include "sv.h"
288b8c02 3292#include "regexp.h"
378cc40b 3293#include "util.h"
8d063cd8 3294#include "form.h"
79072805 3295#include "gv.h"
dd2155a4 3296#include "pad.h"
79072805 3297#include "cv.h"
abdd5c84 3298#include "opnames.h"
79072805 3299#include "op.h"
b3ca2e83 3300#include "hv.h"
79072805
LW		 3301#include "cop.h"
3302#include "av.h"
79072805
LW		 3303#include "mg.h"
3304#include "scope.h"
4438c4b7 3305#include "warnings.h"
a0ed51b3 3306#include "utf8.h"
8d063cd8 3307
0d7d409d
DM		 3308/* these would be in doio.h if there was such a file */
3309#define my_stat() my_stat_flags(SV_GMAGIC)
3310#define my_lstat() my_lstat_flags(SV_GMAGIC)
3311
20f4945e 3312/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM		 3313#undef _XPV_HEAD
3314#undef _XPVMG_HEAD
3315#undef _XPVCV_COMMON
7fae4e64
GS		 3316
3317typedef struct _sublex_info SUBLEXINFO;
3318struct _sublex_info {
651b5b28
NC		 3319 U8 super_state; /* lexer state to save */
3320 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3321 OP *sub_op; /* "lex_op" to use */
7cc34111 3322 SV *repl; /* replacement of s/// or y/// */
7fae4e64
GS		 3323};
3324
199e78b7
DM		 3325#include "parser.h"
3326
455ece5e 3327typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3328
2260ab51
KW		 3329#if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_REGEXEC_C)
3330
3331/* These have to be predeclared, as they are used in proto.h which is #included
3332 * before their definitions in regcomp.h. */
3333
3334struct scan_data_t;
7dcac5f6
KW		 3335typedef struct regnode_charclass regnode_charclass;
3336
2260ab51 3337struct regnode_charclass_class;
d1d040e5
KW		 3338
3339/* A hopefully less confusing name. The sub-classes are all Posix classes only
3340 * used under /l matching */
3341typedef struct regnode_charclass_class regnode_charclass_posixl;
3342
b8f7bb16 3343typedef struct regnode_ssc regnode_ssc;
09b2b2e6
KW		 3344typedef struct RExC_state_t RExC_state_t;
3345struct _reg_trie_data;
76e3520e 3346
2260ab51
KW		 3347#endif
3348
5f7fde29
GS		 3349struct ptr_tbl_ent {
3350 struct ptr_tbl_ent* next;
53c1dcc0 3351 const void* oldval;
5f7fde29 3352 void* newval;
d18c6117
GS		 3353};
3354
5f7fde29
GS		 3355struct ptr_tbl {
3356 struct ptr_tbl_ent** tbl_ary;
3357 UV tbl_max;
3358 UV tbl_items;
db93c0c4
NC		 3359 struct ptr_tbl_arena *tbl_arena;
3360 struct ptr_tbl_ent *tbl_arena_next;
3361 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS		 3362};
3363
fe14fcc3
LW		 3364#if defined(htonl) && !defined(HAS_HTONL)
3365#define HAS_HTONL
ae986130 3366#endif
fe14fcc3
LW		 3367#if defined(htons) && !defined(HAS_HTONS)
3368#define HAS_HTONS
ae986130 3369#endif
fe14fcc3
LW		 3370#if defined(ntohl) && !defined(HAS_NTOHL)
3371#define HAS_NTOHL
ae986130 3372#endif
fe14fcc3
LW		 3373#if defined(ntohs) && !defined(HAS_NTOHS)
3374#define HAS_NTOHS
ae986130 3375#endif
fe14fcc3 3376#ifndef HAS_HTONL
fe14fcc3
LW		 3377#define HAS_HTONS
3378#define HAS_HTONL
3379#define HAS_NTOHS
3380#define HAS_NTOHL
8e2d7c44
NC		 3381# if (BYTEORDER & 0xffff) == 0x4321
3382/* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3383 re-order their values. However, to behave identically to the alternative
3384 implementations, they should truncate to the correct size. */
3385# define ntohl(x) ((x)&0xFFFFFFFF)
3386# define htonl(x) ntohl(x)
3387# define ntohs(x) ((x)&0xFFFF)
3388# define htons(x) ntohs(x)
e4b03fed
NC		 3389# elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3390
3391/* Note that we can't straight out declare our own htonl and htons because
3392 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
3393 to avoid the overhead of initialising the socket subsystem, but the headers
3394 that *declare* the various functions are still seen. If we declare our own
3395 htonl etc they will clash with the declarations in the Win32 headers. */
3396
3397PERL_STATIC_INLINE U32
3398my_swap32(const U32 x) {
3399 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
3400 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
3401}
3402
3403PERL_STATIC_INLINE U16
3404my_swap16(const U16 x) {
3405 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
3406}
3407
3408# define htonl(x) my_swap32(x)
3409# define ntohl(x) my_swap32(x)
3410# define ntohs(x) my_swap16(x)
3411# define htons(x) my_swap16(x)
8e2d7c44 3412# else
691a44df
NC		 3413# error "Unsupported byteorder"
3414/* The C pre-processor doesn't let us return the value of BYTEORDER as part of
3415 the error message. Please check the value of the macro BYTEORDER, as defined
3416 in config.h. The values of BYTEORDER we expect are
3417
3418 big endian little endian
3419 32 bit 0x4321 0x1234
3420 64 bit 0x87654321 0x12345678
3421
3422 If you have a system with a different byte order, please see
3423 pod/perlhack.pod for how to submit a patch to add supporting code.
3424*/
3425# endif
a687059c
LW		 3426#endif
3427
988174c1
LW		 3428/*
3429 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3430 * -DWS
3431 */
5ae72479 3432#if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
260c6fee
NC		 3433/* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
3434 re-order their values. However, to behave identically to the alternative
3435 implementations, they should truncate to the correct size. */
3436# define vtohl(x) ((x)&0xFFFFFFFF)
3437# define vtohs(x) ((x)&0xFFFF)
3438# define htovl(x) vtohl(x)
3439# define htovs(x) vtohs(x)
545872c5 3440#elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3441# define vtohl(x) ((((x)&0xFF)<<24) \
3442 +(((x)>>24)&0xFF) \
3443 +(((x)&0x0000FF00)<<8) \
3444 +(((x)&0x00FF0000)>>8) )
3445# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3446# define htovl(x) vtohl(x)
3447# define htovs(x) vtohs(x)
545872c5
NC		 3448#else
3449# error "Unsupported byteorder"
3450/* If you have need for current perl on PDP-11 or similar, and can help test
3451 that blead keeps working on a mixed-endian system, then see
3452 pod/perlhack.pod for how to submit patches to things working again. */
2a8c3029 3453#endif
988174c1 3454
3bb7c1b4
JH		 3455/* *MAX Plus 1. A floating point value.
3456 Hopefully expressed in a way that dodgy floating point can't mess up.
3457 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3458 is added to it
3459 May find that some broken compiler will want the value cast to I32.
3460 [after the shift, as signed >> may not be as secure as unsigned >>]
3461*/
3462#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3463#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3464/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3465 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3466 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3467*/
3468#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3469
3bb7c1b4
JH		 3470#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3471#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3472#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3473
3474/* This may look like unnecessary jumping through hoops, but converting
3475 out of range floating point values to integers *is* undefined behaviour,
3476 and it is starting to bite.
3477*/
3478#ifndef CAST_INLINE
65202027 3479#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3480#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3481#define I_V(what) (cast_iv((NV)(what)))
3482#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3483#else
3484#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3485 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3486 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3487#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3488 : ((n) < U32_MAX_P1 ? (U32) (n) \
3489 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
5d9574c1
DM		 3490#define I_V(n) (LIKELY((n) < IV_MAX_P1) ? (UNLIKELY((n) < IV_MIN) ? IV_MIN : (IV) (n)) \
3491 : (LIKELY((n) < UV_MAX_P1) ? (IV)(UV) (n) \
3bb7c1b4 3492 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
5d9574c1
DM		 3493#define U_V(n) ((n) < 0.0 ? (UNLIKELY((n) < IV_MIN) ? (UV) IV_MIN : (UV)(IV) (n)) \
3494 : (LIKELY((n) < UV_MAX_P1) ? (UV) (n) \
3bb7c1b4
JH		 3495 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3496#endif
3497
3498#define U_S(what) ((U16)U_32(what))
3499#define U_I(what) ((unsigned int)U_32(what))
3500#define U_L(what) U_32(what)
ed6116ce 3501
ed140128
AD		 3502#ifdef HAS_SIGNBIT
3503# define Perl_signbit signbit
3504#endif
3505
2d4389e4
JH		 3506/* These do not care about the fractional part, only about the range. */
3507#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3508#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3509
25da4f38
IZ		 3510/* Used with UV/IV arguments: */
3511 /* XXXX: need to speed it up */
3512#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3513#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3514
352d5a3a
LW		 3515#ifndef MAXSYSFD
3516# define MAXSYSFD 2
3517#endif
ee0007ab 3518
79072805 3519#ifndef __cplusplus
e37d7e38 3520#if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3521Uid_t getuid (void);
3522Uid_t geteuid (void);
3523Gid_t getgid (void);
3524Gid_t getegid (void);
79072805 3525#endif
e1caacb4 3526#endif
8d063cd8 3527
0c30d9ec 3528#ifndef Perl_debug_log
bf49b057
GS		 3529# define Perl_debug_log PerlIO_stderr()
3530#endif
3531
3532#ifndef Perl_error_log
3533# define Perl_error_log (PL_stderrgv \
6b78add2 3534 && isGV(PL_stderrgv) \
01bb7c6d 3535 && GvIOp(PL_stderrgv) \
42de951c 3536 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3537 ? IoOFP(GvIOp(PL_stderrgv)) \
3538 : PerlIO_stderr())
0c30d9ec 3539#endif
3967c732 3540
aea4f609
DM		 3541
3542#define DEBUG_p_FLAG 0x00000001 /* 1 */
3543#define DEBUG_s_FLAG 0x00000002 /* 2 */
3544#define DEBUG_l_FLAG 0x00000004 /* 4 */
3545#define DEBUG_t_FLAG 0x00000008 /* 8 */
3546#define DEBUG_o_FLAG 0x00000010 /* 16 */
3547#define DEBUG_c_FLAG 0x00000020 /* 32 */
3548#define DEBUG_P_FLAG 0x00000040 /* 64 */
3549#define DEBUG_m_FLAG 0x00000080 /* 128 */
3550#define DEBUG_f_FLAG 0x00000100 /* 256 */
3551#define DEBUG_r_FLAG 0x00000200 /* 512 */
3552#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3553#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3554/* U is reserved for Unofficial, exploratory hacking */
3555#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3556#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3557#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3558#define DEBUG_D_FLAG 0x00008000 /* 32768 */
56967202 3559#define DEBUG_S_FLAG 0x00010000 /* 65536 */
aea4f609 3560#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3561#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3562#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3563#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3564#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3565#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3566#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 3567#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3568#define DEBUG_B_FLAG 0x02000000 /*33554432*/
69014004
KW		 3569#define DEBUG_L_FLAG 0x04000000 /*67108864*/
3570#define DEBUG_MASK 0x07FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3571
3572#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3573#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3574 that something was done? */
aea4f609 3575
bd16a5f0
IZ		 3576# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3577# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3578# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3579# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3580# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3581# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3582# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3583# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3584# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3585# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3586# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3587# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3588# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3589# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3590# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3591# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
56967202 3592# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
bd16a5f0
IZ		 3593# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3594# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3595# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3596# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3597# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3598# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3599# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3600# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3601# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
69014004 3602# define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG)
dd2155a4 3603# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3604# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3605# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3606
3967c732 3607#ifdef DEBUGGING
aea4f609 3608
bd16a5f0
IZ		 3609# define DEBUG_p_TEST DEBUG_p_TEST_
3610# define DEBUG_s_TEST DEBUG_s_TEST_
3611# define DEBUG_l_TEST DEBUG_l_TEST_
3612# define DEBUG_t_TEST DEBUG_t_TEST_
3613# define DEBUG_o_TEST DEBUG_o_TEST_
3614# define DEBUG_c_TEST DEBUG_c_TEST_
3615# define DEBUG_P_TEST DEBUG_P_TEST_
3616# define DEBUG_m_TEST DEBUG_m_TEST_
3617# define DEBUG_f_TEST DEBUG_f_TEST_
3618# define DEBUG_r_TEST DEBUG_r_TEST_
3619# define DEBUG_x_TEST DEBUG_x_TEST_
3620# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3621# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3622# define DEBUG_H_TEST DEBUG_H_TEST_
3623# define DEBUG_X_TEST DEBUG_X_TEST_
3624# define DEBUG_D_TEST DEBUG_D_TEST_
56967202 3625# define DEBUG_S_TEST DEBUG_S_TEST_
bd16a5f0
IZ		 3626# define DEBUG_T_TEST DEBUG_T_TEST_
3627# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3628# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3629# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3630# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3631# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3632# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3633# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3634# define DEBUG_B_TEST DEBUG_B_TEST_
69014004 3635# define DEBUG_L_TEST DEBUG_L_TEST_
7949c6f5
JC		 3636# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3637# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3638# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3639
488b0c7a
JH		 3640# define PERL_DEB(a) a
3641# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3642# define DEBUG_p(a) if (DEBUG_p_TEST) a
3643# define DEBUG_s(a) if (DEBUG_s_TEST) a
3644# define DEBUG_l(a) if (DEBUG_l_TEST) a
3645# define DEBUG_t(a) if (DEBUG_t_TEST) a
3646# define DEBUG_o(a) if (DEBUG_o_TEST) a
3647# define DEBUG_c(a) if (DEBUG_c_TEST) a
3648# define DEBUG_P(a) if (DEBUG_P_TEST) a
3649
969058bb
VK		 3650 /* Temporarily turn off memory debugging in case the a
3651 * does memory allocation, either directly or indirectly. */
acfe0abc 3652# define DEBUG_m(a) \
0b250b9e 3653 STMT_START { \
aea4f609 3654 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3655 } STMT_END
aea4f609 3656
5f80b19c
AMS		 3657# define DEBUG__(t, a) \
3658 STMT_START { \
3659 if (t) STMT_START {a;} STMT_END; \
3660 } STMT_END
3661
3662# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3663#ifndef PERL_EXT_RE_BUILD
5f80b19c 3664# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3665#else
3666# define DEBUG_r(a) STMT_START {a;} STMT_END
3667#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3668# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3669# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3670# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3671# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3672# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3673# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3674# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3675# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3676# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3677
56967202 3678# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
5f80b19c
AMS		 3679# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3680# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3681# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3682# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3683# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3684# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3685# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3686# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
69014004 3687# define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
aea4f609
DM		 3688
3689#else /* DEBUGGING */
3690
3691# define DEBUG_p_TEST (0)
3692# define DEBUG_s_TEST (0)
3693# define DEBUG_l_TEST (0)
3694# define DEBUG_t_TEST (0)
3695# define DEBUG_o_TEST (0)
3696# define DEBUG_c_TEST (0)
3697# define DEBUG_P_TEST (0)
3698# define DEBUG_m_TEST (0)
3699# define DEBUG_f_TEST (0)
3700# define DEBUG_r_TEST (0)
3701# define DEBUG_x_TEST (0)
3702# define DEBUG_u_TEST (0)
88d2d28a 3703# define DEBUG_U_TEST (0)
aea4f609
DM		 3704# define DEBUG_H_TEST (0)
3705# define DEBUG_X_TEST (0)
3706# define DEBUG_D_TEST (0)
56967202 3707# define DEBUG_S_TEST (0)
aea4f609 3708# define DEBUG_T_TEST (0)
04932ac8 3709# define DEBUG_R_TEST (0)
1045810a 3710# define DEBUG_J_TEST (0)
d6721266 3711# define DEBUG_v_TEST (0)
46187eeb 3712# define DEBUG_C_TEST (0)
ecae49c0
NC		 3713# define DEBUG_A_TEST (0)
3714# define DEBUG_q_TEST (0)
d7c0d282 3715# define DEBUG_M_TEST (0)
cc8773c0 3716# define DEBUG_B_TEST (0)
69014004 3717# define DEBUG_L_TEST (0)
7949c6f5
JC		 3718# define DEBUG_Xv_TEST (0)
3719# define DEBUG_Uv_TEST (0)
ad9e76a8 3720# define DEBUG_Pv_TEST (0)
aea4f609 3721
488b0c7a
JH		 3722# define PERL_DEB(a)
3723# define PERL_DEBUG(a)
aea4f609
DM		 3724# define DEBUG_p(a)
3725# define DEBUG_s(a)
3726# define DEBUG_l(a)
3727# define DEBUG_t(a)
3728# define DEBUG_o(a)
3729# define DEBUG_c(a)
3730# define DEBUG_P(a)
3731# define DEBUG_m(a)
3732# define DEBUG_f(a)
3733# define DEBUG_r(a)
3734# define DEBUG_x(a)
3735# define DEBUG_u(a)
88d2d28a 3736# define DEBUG_U(a)
aea4f609
DM		 3737# define DEBUG_H(a)
3738# define DEBUG_X(a)
3739# define DEBUG_D(a)
56967202 3740# define DEBUG_S(a)
aea4f609 3741# define DEBUG_T(a)
04932ac8 3742# define DEBUG_R(a)
d6721266 3743# define DEBUG_v(a)
46187eeb 3744# define DEBUG_C(a)
ecae49c0
NC		 3745# define DEBUG_A(a)
3746# define DEBUG_q(a)
d7c0d282 3747# define DEBUG_M(a)
cc8773c0 3748# define DEBUG_B(a)
69014004 3749# define DEBUG_L(a)
7949c6f5
JC		 3750# define DEBUG_Xv(a)
3751# define DEBUG_Uv(a)
ad9e76a8 3752# define DEBUG_Pv(a)
aea4f609
DM		 3753#endif /* DEBUGGING */
3754
3755
b4ab917c 3756#define DEBUG_SCOPE(where) \
d9f81b50 3757 DEBUG_l( \
1c98cc53
DM		 3758 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
3759 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
d9f81b50 3760 __FILE__, __LINE__));
b4ab917c 3761
de84dc04
NC		 3762#if defined(DEBUGGING) && defined(I_ASSERT)
3763# include <assert.h>
3764#endif
3765
3766/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3767 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3768
de84dc04 3769#define Perl_assert(what) PERL_DEB( \
2b057284 3770 ((what) ? ((void) 0) : \
67eb4d30 3771 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3772 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3773 (void) 0)))
de84dc04
NC		 3774
3775#ifndef assert
3776# define assert(what) Perl_assert(what)
a446a88f 3777#endif
c7724415
FC		 3778#ifdef DEBUGGING
3779# define assert_(what) assert(what),
3780#else
3781# define assert_(what)
3782#endif
8d063cd8 3783
450a55e4 3784struct ufuncs {
24f81a43
DM		 3785 I32 (*uf_val)(pTHX_ IV, SV*);
3786 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3787 IV uf_index;
450a55e4
LW		 3788};
3789
14befaf4 3790/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3791 * XS code wanting to be backward compatible can do something
3792 * like the following:
c745e42c 3793
24f81a43 3794#ifndef PERL_MG_UFUNC
24f81a43
DM		 3795#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3796#endif
3797
3798static PERL_MG_UFUNC(foo_get, index, val)
3799{
3800 sv_setsv(val, ...);
3801 return TRUE;
3802}
3803
3804-- Doug MacEachern
3805
3806*/
3807
fc9c74e6 3808#ifndef PERL_MG_UFUNC
24f81a43 3809#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3810#endif
24f81a43 3811
fe14fcc3 3812/* Fix these up for __STDC__ */
68dc0745 3813#ifndef DONT_DECLARE_STD
20ce7b12 3814char *mktemp (char*);
37bd1396 3815#ifndef atof
20ce7b12 3816double atof (const char*);
a0d0e21e 3817#endif
37bd1396 3818#endif
79072805 3819
352d5a3a 3820#ifndef STANDARD_C
fe14fcc3 3821/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3822Time_t time();
8d063cd8 3823struct tm *gmtime(), *localtime();
043fec90 3824#if defined(OEMVS)
9d116dd7
JH		 3825char *(strchr)(), *(strrchr)();
3826char *(strcpy)(), *(strcat)();
3827#else
93a17b20 3828char *strchr(), *strrchr();
378cc40b 3829char *strcpy(), *strcat();
9d116dd7 3830#endif
352d5a3a 3831#endif /* ! STANDARD_C */
8d063cd8 3832
79072805
LW		 3833
3834#ifdef I_MATH
3835# include <math.h>
3836#else
32f822de 3837START_EXTERN_C
20ce7b12
GS		 3838 double exp (double);
3839 double log (double);
3840 double log10 (double);
3841 double sqrt (double);
3842 double frexp (double,int*);
3843 double ldexp (double,int);
3844 double modf (double,double*);
3845 double sin (double);
3846 double cos (double);
3847 double atan2 (double,double);
3848 double pow (double,double);
32f822de 3849END_EXTERN_C
79072805
LW		 3850#endif
3851
aa8b85de
JH		 3852#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3853# define NV_INF LDBL_INFINITY
3854#endif
3855#if !defined(NV_INF) && defined(DBL_INFINITY)
3856# define NV_INF (NV)DBL_INFINITY
3857#endif
3858#if !defined(NV_INF) && defined(INFINITY)
3859# define NV_INF (NV)INFINITY
3860#endif
3861#if !defined(NV_INF) && defined(INF)
3862# define NV_INF (NV)INF
3863#endif
3864#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3865# define NV_INF (NV)HUGE_VALL
3866#endif
3867#if !defined(NV_INF) && defined(HUGE_VAL)
3868# define NV_INF (NV)HUGE_VAL
3869#endif
3870
3871#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3872# if !defined(NV_NAN) && defined(LDBL_NAN)
3873# define NV_NAN LDBL_NAN
3874# endif
3875# if !defined(NV_NAN) && defined(LDBL_QNAN)
3876# define NV_NAN LDBL_QNAN
3877# endif
3878# if !defined(NV_NAN) && defined(LDBL_SNAN)
3879# define NV_NAN LDBL_SNAN
3880# endif
3881#endif
3882#if !defined(NV_NAN) && defined(DBL_NAN)
3883# define NV_NAN (NV)DBL_NAN
3884#endif
3885#if !defined(NV_NAN) && defined(DBL_QNAN)
3886# define NV_NAN (NV)DBL_QNAN
3887#endif
3888#if !defined(NV_NAN) && defined(DBL_SNAN)
3889# define NV_NAN (NV)DBL_SNAN
3890#endif
3891#if !defined(NV_NAN) && defined(QNAN)
3892# define NV_NAN (NV)QNAN
3893#endif
3894#if !defined(NV_NAN) && defined(SNAN)
3895# define NV_NAN (NV)SNAN
3896#endif
3897#if !defined(NV_NAN) && defined(NAN)
3898# define NV_NAN (NV)NAN
3899#endif
3900
a0d0e21e 3901#ifndef __cplusplus
8f1f23e8 3902# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3903char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3904# else
fd8cd3a3 3905# if !defined(WIN32) && !defined(VMS)
10bc17b6 3906#ifndef crypt
20ce7b12 3907char *crypt (const char*, const char*);
10bc17b6 3908#endif
5014db98 3909# endif /* !WIN32 */
8f1f23e8 3910# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3911# ifndef DONT_DECLARE_STD
3912# ifndef getenv
20ce7b12 3913char *getenv (const char*);
26618a56 3914# endif /* !getenv */
739a0b84 3915# if !defined(HAS_LSEEK_PROTO) && !defined(__hpux)
0fc67700 3916# ifdef _FILE_OFFSET_BITS
28ca6303 3917# if _FILE_OFFSET_BITS == 64
20ce7b12 3918Off_t lseek (int,Off_t,int);
0fc67700
JH		 3919# endif
3920# endif
bf0c440f 3921# endif
26618a56 3922# endif /* !DONT_DECLARE_STD */
e37d7e38
SH		 3923# ifndef WIN32
3924# ifndef getlogin
20ce7b12 3925char *getlogin (void);
e37d7e38
SH		 3926# endif
3927# endif /* !WIN32 */
26618a56 3928#endif /* !__cplusplus */
79072805 3929
7a7fd8e0
JM		 3930/* Fixme on VMS. This needs to be a run-time, not build time options */
3931/* Also rename() is affected by this */
16d20bd9 3932#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3933#define UNLINK unlnk
083639a9 3934I32 unlnk (pTHX_ const char*);
8d063cd8 3935#else
80252599 3936#define UNLINK PerlLIO_unlink
8d063cd8 3937#endif
a687059c 3938
fa0a29af
JH		 3939/* some versions of glibc are missing the setresuid() proto */
3940#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3941int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3942#endif
fa0a29af
JH		 3943/* some versions of glibc are missing the setresgid() proto */
3944#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3945int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3946#endif
3947
fe14fcc3 3948#ifndef HAS_SETREUID
85e6fe83
LW		 3949# ifdef HAS_SETRESUID
3950# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3951# define HAS_SETREUID
3952# endif
a687059c 3953#endif
fe14fcc3 3954#ifndef HAS_SETREGID
85e6fe83
LW		 3955# ifdef HAS_SETRESGID
3956# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3957# define HAS_SETREGID
3958# endif
a687059c 3959#endif
ee0007ab 3960
d543acb6 3961/* Sighandler_t defined in iperlsys.h */
ff68c719 3962
3963#ifdef HAS_SIGACTION
3964typedef struct sigaction Sigsave_t;
3965#else
3966typedef Sighandler_t Sigsave_t;
3967#endif
3968
ee0007ab
LW		 3969#define SCAN_DEF 0
3970#define SCAN_TR 1
3971#define SCAN_REPL 2
79072805
LW		 3972
3973#ifdef DEBUGGING
4633a7c4 3974# ifndef register
a0d0e21e
LW		 3975# define register
3976# endif
cea2e8a9 3977# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3978#else
cea2e8a9 3979# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 3980#endif
3981
97cb92d6 3982#if defined(USE_PERLIO)
0934c9d9 3983EXTERN_C void PerlIO_teardown(void);
2f44961c 3984# ifdef USE_ITHREADS
6cb8cb21
RGS		 3985# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
3986# define PERLIO_TERM \
3987 STMT_START { \
d0820ef1 3988 PerlIO_teardown(); \
6cb8cb21
RGS		 3989 MUTEX_DESTROY(&PL_perlio_mutex);\
3990 } STMT_END
3991# else
3992# define PERLIO_INIT
d0820ef1 3993# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 3994# endif
6b29934b
NC		 3995#else
3996# define PERLIO_INIT
3997# define PERLIO_TERM
6cb8cb21
RGS		 3998#endif
3999
18f739ee 4000#ifdef MYMALLOC
772fe5b3 4001# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 4002# define MALLOC_INIT \
4003 STMT_START { \
4004 PL_malloc_mutex = NULL; \
4005 MUTEX_INIT(&PL_malloc_mutex); \
4006 } STMT_END
4007# define MALLOC_TERM \
4008 STMT_START { \
4009 perl_mutex tmp = PL_malloc_mutex; \
4010 PL_malloc_mutex = NULL; \
4011 MUTEX_DESTROY(&tmp); \
4012 } STMT_END
4013# else
4014# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4015# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4016# endif
18f739ee
IZ		 4017#else
4018# define MALLOC_INIT
4019# define MALLOC_TERM
4020#endif
4021
cd1541b2 4022#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 4023
4024struct perl_memory_debug_header;
cd1541b2
NC		 4025struct perl_memory_debug_header {
4026 tTHX interpreter;
b001a0d1 4027# if defined(PERL_POISON) || defined(PERL_DEBUG_READONLY_COW)
cd1541b2 4028 MEM_SIZE size;
cd1541b2 4029# endif
7cb608b5
NC		 4030 struct perl_memory_debug_header *prev;
4031 struct perl_memory_debug_header *next;
b001a0d1
FC		 4032# ifdef PERL_DEBUG_READONLY_COW
4033 bool readonly;
4034# endif
4035};
4036
4037#elif defined(PERL_DEBUG_READONLY_COW)
4038
4039struct perl_memory_debug_header;
4040struct perl_memory_debug_header {
4041 MEM_SIZE size;
cd1541b2
NC		 4042};
4043
b001a0d1
FC		 4044#endif
4045
60175f94 4046#if defined (PERL_TRACK_MEMPOOL) || defined (PERL_DEBUG_READONLY_COW)
b001a0d1 4047
a78adc84
DM		 4048# define PERL_MEMORY_DEBUG_HEADER_SIZE \
4049 (sizeof(struct perl_memory_debug_header) + \
cd1541b2
NC		 4050 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4051 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4052
d8fca402 4053#else
a78adc84 4054# define PERL_MEMORY_DEBUG_HEADER_SIZE 0
cd1541b2
NC		 4055#endif
4056
7cb608b5 4057#ifdef PERL_TRACK_MEMPOOL
b001a0d1 4058# ifdef PERL_DEBUG_READONLY_COW
7cb608b5
NC		 4059# define INIT_TRACK_MEMPOOL(header, interp) \
4060 STMT_START { \
4061 (header).interpreter = (interp); \
4062 (header).prev = (header).next = &(header); \
b001a0d1 4063 (header).readonly = 0; \
7cb608b5 4064 } STMT_END
b001a0d1
FC		 4065# else
4066# define INIT_TRACK_MEMPOOL(header, interp) \
4067 STMT_START { \
4068 (header).interpreter = (interp); \
4069 (header).prev = (header).next = &(header); \
4070 } STMT_END
4071# endif
4072# else
7cb608b5
NC		 4073# define INIT_TRACK_MEMPOOL(header, interp)
4074#endif
4075
1cd66f7c
DD		 4076#ifdef I_MALLOCMALLOC
4077/* Needed for malloc_size(), malloc_good_size() on some systems */
4078# include <malloc/malloc.h>
4079#endif
4080
ca7c1a29
NC		 4081#ifdef MYMALLOC
4082# define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
cfe52898 4083#else
b001a0d1 4084# if defined(HAS_MALLOC_SIZE) && !defined(PERL_DEBUG_READONLY_COW)
e82be400 4085# ifdef PERL_TRACK_MEMPOOL
cfe52898 4086# define Perl_safesysmalloc_size(where) \
a78adc84 4087 (malloc_size(((char *)(where)) - PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
e82be400
NC		 4088# else
4089# define Perl_safesysmalloc_size(where) malloc_size(where)
4090# endif
4091# endif
4092# ifdef HAS_MALLOC_GOOD_SIZE
4093# ifdef PERL_TRACK_MEMPOOL
d8fca402 4094# define Perl_malloc_good_size(how_much) \
a78adc84 4095 (malloc_good_size((how_much) + PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
e82be400
NC		 4096# else
4097# define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4098# endif
4099# else
d8fca402
NC		 4100/* Having this as the identity operation makes some code simpler. */
4101# define Perl_malloc_good_size(how_much) (how_much)
e82be400 4102# endif
ca7c1a29 4103#endif
b6d9d515 4104
16c91539
BM		 4105typedef int (*runops_proc_t)(pTHX);
4106typedef void (*share_proc_t) (pTHX_ SV *sv);
4107typedef int (*thrhook_proc_t) (pTHX);
4108typedef OP* (*PPADDR_t[]) (pTHX);
4109typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4110typedef void (*despatch_signals_proc_t) (pTHX);
22c35a8c 4111
8f1f23e8
W		 4112/* NeXT has problems with crt0.o globals */
4113#if defined(__DYNAMIC__) && \
6239f2da 4114 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 4115# if defined(NeXT) || defined(__NeXT)
4116# include <mach-o/dyld.h>
4117# define environ (*environ_pointer)
0c30d9ec 4118EXT char *** environ_pointer;
8f1f23e8 4119# else
6239f2da 4120# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 4121# include <crt_externs.h> /* for the env array */
4122# define environ (*_NSGetEnviron())
4123# endif
0c30d9ec 4124# endif
8f1f23e8
W		 4125#else
4126 /* VMS and some other platforms don't use the environ array */
13b6e58c 4127# ifdef USE_ENVIRON_ARRAY
a6c40364 4128# if !defined(DONT_DECLARE_STD) || \
bdea967c 4129 (defined(__svr4__) && defined(__GNUC__) && defined(__sun)) || \
8d87852b 4130 defined(__sgi)
8f1f23e8 4131extern char ** environ; /* environment variables supplied via exec */
a6c40364 4132# endif
8f1f23e8
W		 4133# endif
4134#endif
79072805 4135
457c5385
NC		 4136#define PERL_PATCHLEVEL_H_IMPLICIT
4137#include "patchlevel.h"
4138#undef PERL_PATCHLEVEL_H_IMPLICIT
4139
4140#define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4141 STRINGIFY(PERL_VERSION) "." \
4142 STRINGIFY(PERL_SUBVERSION)
4143
4144#define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4145 STRINGIFY(PERL_API_VERSION) "." \
4146 STRINGIFY(PERL_API_SUBVERSION)
4147
73c4f7a1
GS		 4148START_EXTERN_C
4149
79072805 4150/* handy constants */
22c35a8c 4151EXTCONST char PL_warn_uninit[]
29489e7c 4152 INIT("Use of uninitialized value%s%s%s");
fef7e7a0 4153EXTCONST char PL_warn_uninit_sv[]
61608bb7 4154 INIT("Use of uninitialized value%" SVf "%s%s");
22c35a8c 4155EXTCONST char PL_warn_nosemi[]
463ee0b2 4156 INIT("Semicolon seems to be missing");
22c35a8c 4157EXTCONST char PL_warn_reserved[]
463ee0b2 4158 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4159EXTCONST char PL_warn_nl[]
93a17b20 4160 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4161EXTCONST char PL_no_wrongref[]
a0d0e21e 4162 INIT("Can't use %s ref as %s ref");
def89bff
NC		 4163/* The core no longer needs these here. If you require the string constant,
4164 please inline a copy into your own code. */
973a7615
NC		 4165EXTCONST char PL_no_symref[] __attribute__deprecated__
4166 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
def89bff
NC		 4167EXTCONST char PL_no_symref_sv[] __attribute__deprecated__
4168 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 4169EXTCONST char PL_no_usym[]
8990e307 4170 INIT("Can't use an undefined value as %s reference");
22c35a8c 4171EXTCONST char PL_no_aelem[]
93a17b20 4172 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4173EXTCONST char PL_no_helem_sv[]
61608bb7 4174 INIT("Modification of non-creatable hash value attempted, subscript \"%" SVf "\"");
22c35a8c 4175EXTCONST char PL_no_modify[]
93a17b20 4176 INIT("Modification of a read-only value attempted");
4cbe3a7d 4177EXTCONST char PL_no_mem[sizeof("Out of memory!\n")]
93a17b20 4178 INIT("Out of memory!\n");
22c35a8c 4179EXTCONST char PL_no_security[]
463ee0b2 4180 INIT("Insecure dependency in %s%s");
22c35a8c 4181EXTCONST char PL_no_sock_func[]
93a17b20 4182 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4183EXTCONST char PL_no_dir_func[]
93a17b20 4184 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4185EXTCONST char PL_no_func[]
93a17b20 4186 INIT("The %s function is unimplemented");
22c35a8c 4187EXTCONST char PL_no_myglob[]
952306ac 4188 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 4189EXTCONST char PL_no_localize_ref[]
4190 INIT("Can't localize through a reference");
27d5b266
JH		 4191EXTCONST char PL_memory_wrap[]
4192 INIT("panic: memory wrap");
93a17b20 4193
58f645e2
NC		 4194EXTCONST char PL_Yes[]
4195 INIT("1");
4196EXTCONST char PL_No[]
4197 INIT("");
4198EXTCONST char PL_hexdigit[]
4199 INIT("0123456789abcdef0123456789ABCDEF");
4200
0447859b
NC		 4201/* This is constant on most architectures, a global on OS/2 */
4202#ifndef OS2
4203EXTCONST char PL_sh_path[]
4204 INIT(SH_PATH); /* full path of shell */
4205#endif
4206
618b9757
NC		 4207#ifdef CSH
4208EXTCONST char PL_cshname[]
4209 INIT(CSH);
4210# define PL_cshlen (sizeof(CSH "") - 1)
4211#endif
4212
457c5385
NC		 4213/* These are baked at compile time into any shared perl library.
4214 In future releases this will allow us in main() to sanity test the
4215 library we're linking against. */
4216
4217EXTCONST U8 PL_revision
4218 INIT(PERL_REVISION);
4219EXTCONST U8 PL_version
4220 INIT(PERL_VERSION);
4221EXTCONST U8 PL_subversion
4222 INIT(PERL_SUBVERSION);
4223
7575fa06 4224EXTCONST char PL_uuemap[65]
80252599
GS		 4225 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4226
79072805 4227#ifdef DOINIT
9444d213 4228EXTCONST char PL_uudmap[256] =
dde5ec2c
NC		 4229# ifdef PERL_MICRO
4230# include "uuudmap.h"
4231# else
4232# include "uudmap.h"
4233# endif
9444d213 4234;
efa50c51 4235EXTCONST char PL_bitcount[256] =
dde5ec2c
NC		 4236# ifdef PERL_MICRO
4237# include "ubitcount.h"
4238#else
4239# include "bitcount.h"
4240# endif
efa50c51 4241;
27da23d5
JH		 4242EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4243EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4244#else
9444d213 4245EXTCONST char PL_uudmap[256];
efa50c51 4246EXTCONST char PL_bitcount[256];
27da23d5
JH		 4247EXTCONST char* const PL_sig_name[];
4248EXTCONST int PL_sig_num[];
79072805
LW		 4249#endif
4250
6d8e7a01
KW		 4251/* fast conversion and case folding tables. The folding tables complement the
4252 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4253 * folds such as outside the range or to multiple characters. */
bbce6d69 4254
79072805 4255#ifdef DOINIT
d02f4dad
KW		 4256#ifndef EBCDIC
4257
4258/* The EBCDIC fold table depends on the code page, and hence is found in
4259 * utfebcdic.h */
4260
22c35a8c 4261EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4262 0, 1, 2, 3, 4, 5, 6, 7,
4263 8, 9, 10, 11, 12, 13, 14, 15,
4264 16, 17, 18, 19, 20, 21, 22, 23,
4265 24, 25, 26, 27, 28, 29, 30, 31,
4266 32, 33, 34, 35, 36, 37, 38, 39,
4267 40, 41, 42, 43, 44, 45, 46, 47,
4268 48, 49, 50, 51, 52, 53, 54, 55,
4269 56, 57, 58, 59, 60, 61, 62, 63,
4270 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4271 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4272 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4273 'x', 'y', 'z', 91, 92, 93, 94, 95,
4274 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4275 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4276 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4277 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4278 128, 129, 130, 131, 132, 133, 134, 135,
4279 136, 137, 138, 139, 140, 141, 142, 143,
4280 144, 145, 146, 147, 148, 149, 150, 151,
4281 152, 153, 154, 155, 156, 157, 158, 159,
4282 160, 161, 162, 163, 164, 165, 166, 167,
4283 168, 169, 170, 171, 172, 173, 174, 175,
4284 176, 177, 178, 179, 180, 181, 182, 183,
4285 184, 185, 186, 187, 188, 189, 190, 191,
4286 192, 193, 194, 195, 196, 197, 198, 199,
4287 200, 201, 202, 203, 204, 205, 206, 207,
4288 208, 209, 210, 211, 212, 213, 214, 215,
4289 216, 217, 218, 219, 220, 221, 222, 223,
4290 224, 225, 226, 227, 228, 229, 230, 231,
4291 232, 233, 234, 235, 236, 237, 238, 239,
4292 240, 241, 242, 243, 244, 245, 246, 247,
4293 248, 249, 250, 251, 252, 253, 254, 255
4294};
3871f40b
KW		 4295EXTCONST unsigned char PL_fold_latin1[] = {
4296 /* Full latin1 complement folding, except for three problematic code points:
4297 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4298 * fold complements outside the Latin1 range, so can't match something
4299 * that isn't in utf8.
4300 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4301 * not one, so can't be represented in this table.
4302 *
4303 * All have to be specially handled */
4304 0, 1, 2, 3, 4, 5, 6, 7,
4305 8, 9, 10, 11, 12, 13, 14, 15,
4306 16, 17, 18, 19, 20, 21, 22, 23,
4307 24, 25, 26, 27, 28, 29, 30, 31,
4308 32, 33, 34, 35, 36, 37, 38, 39,
4309 40, 41, 42, 43, 44, 45, 46, 47,
4310 48, 49, 50, 51, 52, 53, 54, 55,
4311 56, 57, 58, 59, 60, 61, 62, 63,
4312 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4313 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4314 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4315 'x', 'y', 'z', 91, 92, 93, 94, 95,
4316 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4317 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4318 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4319 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4320 128, 129, 130, 131, 132, 133, 134, 135,
4321 136, 137, 138, 139, 140, 141, 142, 143,
4322 144, 145, 146, 147, 148, 149, 150, 151,
4323 152, 153, 154, 155, 156, 157, 158, 159,
4324 160, 161, 162, 163, 164, 165, 166, 167,
4325 168, 169, 170, 171, 172, 173, 174, 175,
4326 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4327 184, 185, 186, 187, 188, 189, 190, 191,
4328 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4329 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4330 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4331 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4332 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4333 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4334 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4335 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4336 255 /* y with diaeresis */
4337};
00f254e2
KW		 4338
4339/* If these tables are accessed through ebcdic, the access will be converted to
4340 * latin1 first */
4341EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4342 0, 1, 2, 3, 4, 5, 6, 7,
4343 8, 9, 10, 11, 12, 13, 14, 15,
4344 16, 17, 18, 19, 20, 21, 22, 23,
4345 24, 25, 26, 27, 28, 29, 30, 31,
4346 32, 33, 34, 35, 36, 37, 38, 39,
4347 40, 41, 42, 43, 44, 45, 46, 47,
4348 48, 49, 50, 51, 52, 53, 54, 55,
4349 56, 57, 58, 59, 60, 61, 62, 63,
4350 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4351 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4352 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4353 'x', 'y', 'z', 91, 92, 93, 94, 95,
4354 96, 97, 98, 99, 100, 101, 102, 103,
4355 104, 105, 106, 107, 108, 109, 110, 111,
4356 112, 113, 114, 115, 116, 117, 118, 119,
4357 120, 121, 122, 123, 124, 125, 126, 127,
4358 128, 129, 130, 131, 132, 133, 134, 135,
4359 136, 137, 138, 139, 140, 141, 142, 143,
4360 144, 145, 146, 147, 148, 149, 150, 151,
4361 152, 153, 154, 155, 156, 157, 158, 159,
4362 160, 161, 162, 163, 164, 165, 166, 167,
4363 168, 169, 170, 171, 172, 173, 174, 175,
4364 176, 177, 178, 179, 180, 181, 182, 183,
4365 184, 185, 186, 187, 188, 189, 190, 191,
4366 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4367 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4368 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4369 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4370 224, 225, 226, 227, 228, 229, 230, 231,
4371 232, 233, 234, 235, 236, 237, 238, 239,
4372 240, 241, 242, 243, 244, 245, 246, 247,
4373 248, 249, 250, 251, 252, 253, 254, 255
4374};
4375
4376/* upper and title case of latin1 characters, modified so that the three tricky
4377 * ones are mapped to 255 (which is one of the three) */
4378EXTCONST unsigned char PL_mod_latin1_uc[] = {
4379 0, 1, 2, 3, 4, 5, 6, 7,
4380 8, 9, 10, 11, 12, 13, 14, 15,
4381 16, 17, 18, 19, 20, 21, 22, 23,
4382 24, 25, 26, 27, 28, 29, 30, 31,
4383 32, 33, 34, 35, 36, 37, 38, 39,
4384 40, 41, 42, 43, 44, 45, 46, 47,
4385 48, 49, 50, 51, 52, 53, 54, 55,
4386 56, 57, 58, 59, 60, 61, 62, 63,
4387 64, 65, 66, 67, 68, 69, 70, 71,
4388 72, 73, 74, 75, 76, 77, 78, 79,
4389 80, 81, 82, 83, 84, 85, 86, 87,
4390 88, 89, 90, 91, 92, 93, 94, 95,
4391 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4392 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4393 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4394 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4395 128, 129, 130, 131, 132, 133, 134, 135,
4396 136, 137, 138, 139, 140, 141, 142, 143,
4397 144, 145, 146, 147, 148, 149, 150, 151,
4398 152, 153, 154, 155, 156, 157, 158, 159,
4399 160, 161, 162, 163, 164, 165, 166, 167,
4400 168, 169, 170, 171, 172, 173, 174, 175,
4401 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4402 184, 185, 186, 187, 188, 189, 190, 191,
4403 192, 193, 194, 195, 196, 197, 198, 199,
4404 200, 201, 202, 203, 204, 205, 206, 207,
4405 208, 209, 210, 211, 212, 213, 214, 215,
4406 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/,
4407 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4408 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4409 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4410 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4411};
1248eb9d 4412#endif /* !EBCDIC, but still in DOINIT */
00f254e2 4413#else /* ! DOINIT */
1248eb9d 4414# ifndef EBCDIC
22c35a8c 4415EXTCONST unsigned char PL_fold[];
3871f40b 4416EXTCONST unsigned char PL_fold_latin1[];
00f254e2
KW		 4417EXTCONST unsigned char PL_mod_latin1_uc[];
4418EXTCONST unsigned char PL_latin1_lc[];
1248eb9d 4419# endif
79072805
LW		 4420#endif
4421
27da23d5 4422#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4423#ifdef DOINIT
27da23d5 4424EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4425 0, 1, 2, 3, 4, 5, 6, 7,
4426 8, 9, 10, 11, 12, 13, 14, 15,
4427 16, 17, 18, 19, 20, 21, 22, 23,
4428 24, 25, 26, 27, 28, 29, 30, 31,
4429 32, 33, 34, 35, 36, 37, 38, 39,
4430 40, 41, 42, 43, 44, 45, 46, 47,
4431 48, 49, 50, 51, 52, 53, 54, 55,
4432 56, 57, 58, 59, 60, 61, 62, 63,
4433 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4434 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4435 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4436 'x', 'y', 'z', 91, 92, 93, 94, 95,
4437 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4438 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4439 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4440 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4441 128, 129, 130, 131, 132, 133, 134, 135,
4442 136, 137, 138, 139, 140, 141, 142, 143,
4443 144, 145, 146, 147, 148, 149, 150, 151,
4444 152, 153, 154, 155, 156, 157, 158, 159,
4445 160, 161, 162, 163, 164, 165, 166, 167,
4446 168, 169, 170, 171, 172, 173, 174, 175,
4447 176, 177, 178, 179, 180, 181, 182, 183,
4448 184, 185, 186, 187, 188, 189, 190, 191,
4449 192, 193, 194, 195, 196, 197, 198, 199,
4450 200, 201, 202, 203, 204, 205, 206, 207,
4451 208, 209, 210, 211, 212, 213, 214, 215,
4452 216, 217, 218, 219, 220, 221, 222, 223,
4453 224, 225, 226, 227, 228, 229, 230, 231,
4454 232, 233, 234, 235, 236, 237, 238, 239,
4455 240, 241, 242, 243, 244, 245, 246, 247,
4456 248, 249, 250, 251, 252, 253, 254, 255
4457};
4458#else
27da23d5 4459EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4460#endif
27da23d5 4461#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4462
4463#ifdef DOINIT
9d116dd7 4464#ifdef EBCDIC
27da23d5 4465EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4466 1, 2, 84, 151, 154, 155, 156, 157,
4467 165, 246, 250, 3, 158, 7, 18, 29,
4468 40, 51, 62, 73, 85, 96, 107, 118,
4469 129, 140, 147, 148, 149, 150, 152, 153,
4470 255, 6, 8, 9, 10, 11, 12, 13,
4471 14, 15, 24, 25, 26, 27, 28, 226,
4472 29, 30, 31, 32, 33, 43, 44, 45,
4473 46, 47, 48, 49, 50, 76, 77, 78,
4474 79, 80, 81, 82, 83, 84, 85, 86,
4475 87, 94, 95, 234, 181, 233, 187, 190,
4476 180, 96, 97, 98, 99, 100, 101, 102,
4477 104, 112, 182, 174, 236, 232, 229, 103,
4478 228, 226, 114, 115, 116, 117, 118, 119,
4479 120, 121, 122, 235, 176, 230, 194, 162,
4480 130, 131, 132, 133, 134, 135, 136, 137,
4481 138, 139, 201, 205, 163, 217, 220, 224,
4482 5, 248, 227, 244, 242, 255, 241, 231,
4483 240, 253, 16, 197, 19, 20, 21, 187,
4484 23, 169, 210, 245, 237, 249, 247, 239,
4485 168, 252, 34, 196, 36, 37, 38, 39,
4486 41, 42, 251, 254, 238, 223, 221, 213,
4487 225, 177, 52, 53, 54, 55, 56, 57,
4488 58, 59, 60, 61, 63, 64, 65, 66,
4489 67, 68, 69, 70, 71, 72, 74, 75,
4490 205, 208, 186, 202, 200, 218, 198, 179,
4491 178, 214, 88, 89, 90, 91, 92, 93,
4492 217, 166, 170, 207, 199, 209, 206, 204,
4493 160, 212, 105, 106, 108, 109, 110, 111,
4494 203, 113, 216, 215, 192, 175, 193, 243,
4495 172, 161, 123, 124, 125, 126, 127, 128,
4496 222, 219, 211, 195, 188, 193, 185, 184,
4497 191, 183, 141, 142, 143, 144, 145, 146
4498};
4499#else /* ascii rather than ebcdic */
22c35a8c 4500EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4501 1, 2, 84, 151, 154, 155, 156, 157,
4502 165, 246, 250, 3, 158, 7, 18, 29,
4503 40, 51, 62, 73, 85, 96, 107, 118,
4504 129, 140, 147, 148, 149, 150, 152, 153,
4505 255, 182, 224, 205, 174, 176, 180, 217,
4506 233, 232, 236, 187, 235, 228, 234, 226,
4507 222, 219, 211, 195, 188, 193, 185, 184,
4508 191, 183, 201, 229, 181, 220, 194, 162,
4509 163, 208, 186, 202, 200, 218, 198, 179,
4510 178, 214, 166, 170, 207, 199, 209, 206,
4511 204, 160, 212, 216, 215, 192, 175, 173,
4512 243, 172, 161, 190, 203, 189, 164, 230,
4513 167, 248, 227, 244, 242, 255, 241, 231,
4514 240, 253, 169, 210, 245, 237, 249, 247,
4515 239, 168, 252, 251, 254, 238, 223, 221,
4516 213, 225, 177, 197, 171, 196, 159, 4,
4517 5, 6, 8, 9, 10, 11, 12, 13,
4518 14, 15, 16, 17, 19, 20, 21, 22,
4519 23, 24, 25, 26, 27, 28, 30, 31,
4520 32, 33, 34, 35, 36, 37, 38, 39,
4521 41, 42, 43, 44, 45, 46, 47, 48,
4522 49, 50, 52, 53, 54, 55, 56, 57,
4523 58, 59, 60, 61, 63, 64, 65, 66,
4524 67, 68, 69, 70, 71, 72, 74, 75,
4525 76, 77, 78, 79, 80, 81, 82, 83,
4526 86, 87, 88, 89, 90, 91, 92, 93,
4527 94, 95, 97, 98, 99, 100, 101, 102,
4528 103, 104, 105, 106, 108, 109, 110, 111,
4529 112, 113, 114, 115, 116, 117, 119, 120,
4530 121, 122, 123, 124, 125, 126, 127, 128,
4531 130, 131, 132, 133, 134, 135, 136, 137,
4532 138, 139, 141, 142, 143, 144, 145, 146
4533};
9d116dd7 4534#endif
79072805 4535#else
22c35a8c 4536EXTCONST unsigned char PL_freq[];
79072805
LW		 4537#endif
4538
b0812ba3
DM		 4539/* Although only used for debugging, these constants must be available in
4540 * non-debugging builds too, since they're used in ext/re/re_exec.c,
4541 * which has DEBUGGING enabled always */
8990e307 4542#ifdef DOINIT
27da23d5 4543EXTCONST char* const PL_block_type[] = {
8990e307 4544 "NULL",
d01136d6 4545 "WHEN",
8990e307 4546 "BLOCK",
0d863452 4547 "GIVEN",
d01136d6
BS		 4548 "LOOP_FOR",
4549 "LOOP_PLAIN",
4550 "LOOP_LAZYSV",
4551 "LOOP_LAZYIV",
76753e7f
NC		 4552 "SUB",
4553 "FORMAT",
4554 "EVAL",
4555 "SUBST"
8990e307
LW		 4556};
4557#else
22c35a8c 4558EXTCONST char* PL_block_type[];
8990e307 4559#endif
8990e307 4560
b75885fd
NC		 4561/* These are all the compile time options that affect binary compatibility.
4562 Other compile time options that are binary compatible are in perl.c
4563 Both are combined for the output of perl -V
4564 However, this string will be embedded in any shared perl library, which will
4565 allow us add a comparison check in perlmain.c in the near future. */
4566#ifdef DOINIT
4567EXTCONST char PL_bincompat_options[] =
4568# ifdef DEBUG_LEAKING_SCALARS
4569 " DEBUG_LEAKING_SCALARS"
4570# endif
4571# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4572 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4573# endif
eba804b9
NC		 4574# ifdef FCRYPT
4575 " FCRYPT"
4576# endif
4577# ifdef HAS_TIMES
4578 " HAS_TIMES"
4579# endif
4580# ifdef HAVE_INTERP_INTERN
426f6eb2 4581 " HAVE_INTERP_INTERN"
eba804b9 4582# endif
b75885fd
NC		 4583# ifdef MULTIPLICITY
4584 " MULTIPLICITY"
4585# endif
4586# ifdef MYMALLOC
4587 " MYMALLOC"
4588# endif
eba804b9
NC		 4589# ifdef PERLIO_LAYERS
4590 " PERLIO_LAYERS"
4591# endif
cb26ef7a
MB		 4592# ifdef PERL_DEBUG_READONLY_COW
4593 " PERL_DEBUG_READONLY_COW"
4594# endif
b75885fd
NC		 4595# ifdef PERL_DEBUG_READONLY_OPS
4596 " PERL_DEBUG_READONLY_OPS"
4597# endif
4598# ifdef PERL_GLOBAL_STRUCT
4599 " PERL_GLOBAL_STRUCT"
4600# endif
4601# ifdef PERL_IMPLICIT_CONTEXT
4602 " PERL_IMPLICIT_CONTEXT"
4603# endif
4604# ifdef PERL_IMPLICIT_SYS
4605 " PERL_IMPLICIT_SYS"
4606# endif
4607# ifdef PERL_MAD
4608 " PERL_MAD"
4609# endif
eba804b9
NC		 4610# ifdef PERL_MICRO
4611 " PERL_MICRO"
4612# endif
b75885fd
NC		 4613# ifdef PERL_NEED_APPCTX
4614 " PERL_NEED_APPCTX"
4615# endif
4616# ifdef PERL_NEED_TIMESBASE
4617 " PERL_NEED_TIMESBASE"
4618# endif
4619# ifdef PERL_OLD_COPY_ON_WRITE
4620 " PERL_OLD_COPY_ON_WRITE"
4621# endif
4622# ifdef PERL_POISON
4623 " PERL_POISON"
4624# endif
5b50f57e
FC		 4625# ifdef PERL_SAWAMPERSAND
4626 " PERL_SAWAMPERSAND"
4627# endif
b75885fd
NC		 4628# ifdef PERL_TRACK_MEMPOOL
4629 " PERL_TRACK_MEMPOOL"
4630# endif
4631# ifdef PERL_USES_PL_PIDSTATUS
4632 " PERL_USES_PL_PIDSTATUS"
4633# endif
b75885fd
NC		 4634# ifdef USE_64_BIT_ALL
4635 " USE_64_BIT_ALL"
4636# endif
4637# ifdef USE_64_BIT_INT
4638 " USE_64_BIT_INT"
4639# endif
c7b392fa
NC		 4640# ifdef USE_IEEE
4641 " USE_IEEE"
4642# endif
b75885fd
NC		 4643# ifdef USE_ITHREADS
4644 " USE_ITHREADS"
4645# endif
4646# ifdef USE_LARGE_FILES
4647 " USE_LARGE_FILES"
4648# endif
eba804b9
NC		 4649# ifdef USE_LOCALE_COLLATE
4650 " USE_LOCALE_COLLATE"
4651# endif
4652# ifdef USE_LOCALE_NUMERIC
4653 " USE_LOCALE_NUMERIC"
4654# endif
b75885fd
NC		 4655# ifdef USE_LONG_DOUBLE
4656 " USE_LONG_DOUBLE"
4657# endif
4658# ifdef USE_PERLIO
4659 " USE_PERLIO"
4660# endif
4661# ifdef USE_REENTRANT_API
4662 " USE_REENTRANT_API"
4663# endif
b75885fd
NC		 4664# ifdef USE_SOCKS
4665 " USE_SOCKS"
4666# endif
4f575702
CB		 4667# ifdef VMS_DO_SOCKETS
4668 " VMS_DO_SOCKETS"
4f575702 4669# endif
e8b231c6
CB		 4670# ifdef VMS_SHORTEN_LONG_SYMBOLS
4671 " VMS_SHORTEN_LONG_SYMBOLS"
4672# endif
ad5e438d
NC		 4673# ifdef VMS_WE_ARE_CASE_SENSITIVE
4674 " VMS_SYMBOL_CASE_AS_IS"
4675# endif
a68dd89e 4676 "";
b75885fd
NC		 4677#else
4678EXTCONST char PL_bincompat_options[];
4679#endif
4680
ca7b837b
SM		 4681#ifndef PERL_SET_PHASE
4682# define PERL_SET_PHASE(new_phase) \
cb3f8189 4683 PHASE_CHANGE_PROBE(PL_phase_names[new_phase], PL_phase_names[PL_phase]); \
ca7b837b
SM		 4684 PL_phase = new_phase;
4685#endif
4686
9ebf26ad
FR		 4687/* The interpreter phases. If these ever change, PL_phase_names right below will
4688 * need to be updated accordingly. */
4689enum perl_phase {
4690 PERL_PHASE_CONSTRUCT = 0,
4691 PERL_PHASE_START = 1,
4692 PERL_PHASE_CHECK = 2,
4693 PERL_PHASE_INIT = 3,
4694 PERL_PHASE_RUN = 4,
4695 PERL_PHASE_END = 5,
4696 PERL_PHASE_DESTRUCT = 6
4697};
4698
4699#ifdef DOINIT
4700EXTCONST char *const PL_phase_names[] = {
4701 "CONSTRUCT",
4702 "START",
4703 "CHECK",
4704 "INIT",
4705 "RUN",
4706 "END",
4707 "DESTRUCT"
4708};
4709#else
4710EXTCONST char *const PL_phase_names[];
4711#endif
4712
627364f1
FR		 4713#ifndef PERL_CORE
4714/* Do not use this macro. It only exists for extensions that rely on PL_dirty
4715 * instead of using the newer PL_phase, which provides everything PL_dirty
4716 * provided, and more. */
4717# define PL_dirty (PL_phase == PERL_PHASE_DESTRUCT)
66978156
FC		 4718
4719# define PL_amagic_generation PL_na
627364f1
FR		 4720#endif /* !PERL_CORE */
4721
823ac2c8
FC		 4722#define PL_hints PL_compiling.cop_hints
4723
73c4f7a1
GS		 4724END_EXTERN_C
4725
79072805
LW		 4726/*****************************************************************************/
4727/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4728/*****************************************************************************/
8990e307 4729/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4730
d4c3c482 4731#ifdef __Lynx__
9cffb111
OS		 4732/* LynxOS defines these in scsi.h which is included via ioctl.h */
4733#ifdef FORMAT
4734#undef FORMAT
4735#endif
4736#ifdef SPACE
4737#undef SPACE
4738#endif
d4c3c482 4739#endif
9cffb111 4740
fb73857a 4741#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4742
79072805
LW		 4743typedef enum {
4744 XOPERATOR,
4745 XTERM,
79072805 4746 XREF,
8990e307 4747 XSTATE,
a0d0e21e 4748 XBLOCK,
09bef843
SB		 4749 XATTRBLOCK,
4750 XATTRTERM,
6f33ba73 4751 XTERMBLOCK,
89f35911 4752 XPOSTDEREF,
6f33ba73 4753 XTERMORDORDOR /* evil hack */
27308ded 4754 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4755} expectation;
4756
d5ec2987
NC		 4757/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4758 special and there is no need for HINT_PRIVATE_MASK for COPs
538e84ed
KW		 4759 However, bitops store HINT_INTEGER in their op_private.
4760
4761 NOTE: The typical module using these has the bit value hard-coded, so don't
4762 blindly change the values of these */
9cfe5470
RGS		 4763#define HINT_INTEGER 0x00000001 /* integer pragma */
4764#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4765#define HINT_LOCALE 0x00000004 /* locale pragma */
4766#define HINT_BYTES 0x00000008 /* bytes pragma */
66cbab2c 4767#define HINT_LOCALE_NOT_CHARS 0x00000010 /* locale ':not_characters' pragma */
894ea76b
FC		 4768
4769#define HINT_EXPLICIT_STRICT_REFS 0x00000020 /* strict.pm */
4770#define HINT_EXPLICIT_STRICT_SUBS 0x00000040 /* strict.pm */
4771#define HINT_EXPLICIT_STRICT_VARS 0x00000080 /* strict.pm */
85e6fe83
LW		 4772
4773#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4774#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4775#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
1863b879 4776#define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */
85e6fe83 4777
9cfe5470 4778/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4779#define HINT_NEW_INTEGER 0x00001000
4780#define HINT_NEW_FLOAT 0x00002000
4781#define HINT_NEW_BINARY 0x00004000
4782#define HINT_NEW_STRING 0x00008000
4783#define HINT_NEW_RE 0x00010000
4784#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 4785#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4786#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 4787
9cfe5470
RGS		 4788#define HINT_RE_TAINT 0x00100000 /* re pragma */
4789#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4790
9cfe5470
RGS		 4791#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4792#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4793
e46c382e
YK		 4794#define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
4795
1e215989
FC		 4796#define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */
4797
a803b9b4
FC		 4798#define HINT_FEATURE_MASK 0x1c000000 /* 3 bits for feature bundles */
4799
894ea76b
FC		 4800 /* Note: Used for NATIVE_HINTS, currently
4801 defined by vms/vmsish.h:
4802 0x40000000
4803 0x80000000
4804 */
d1718a7c 4805
0239f47c 4806/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4807#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4808#define HINT_SORT_QUICKSORT 0x00000001
4809#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4810#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4811
d3b97530
DM		 4812/* flags for PL_sawampersand */
4813
4814#define SAWAMPERSAND_LEFT 1 /* saw $` */
4815#define SAWAMPERSAND_MIDDLE 2 /* saw $& */
4816#define SAWAMPERSAND_RIGHT 4 /* saw $' */
4817
1a904fc8
FC		 4818#ifndef PERL_SAWAMPERSAND
4819# define PL_sawampersand \
4820 (SAWAMPERSAND_LEFT|SAWAMPERSAND_MIDDLE|SAWAMPERSAND_RIGHT)
4821#endif
4822
8bfdd7d9 4823/* Various states of the input record separator SV (rs) */
d4cce5f1 4824#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4825#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4826#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4827#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4828
128e8167 4829/* A struct for keeping various DEBUGGING related stuff,
ce333219 4830 * neatly packed. Currently only scratch variables for
128e8167
JH		 4831 * constructing debug output are included. Needed always,
4832 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4833struct perl_debug_pad {
4834 SV pad[3];
4835};
4836
4837#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4838#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4839 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4840 PERL_DEBUG_PAD(i))
ce333219 4841
56953603 4842/* Enable variables which are pointers to functions */
16c91539
BM		 4843typedef void (*peep_t)(pTHX_ OP* o);
4844typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm);
4845typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg,
0cb96387
GS		 4846 char* strend, char* strbeg, I32 minend,
4847 SV* screamer, void* data, U32 flags);
16c91539 4848typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv,
f722798b
IZ		 4849 char *strpos, char *strend,
4850 U32 flags,
9f61653a 4851 re_scream_pos_data *d);
16c91539
BM		 4852typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog);
4853typedef void (*regfree_t) (pTHX_ struct regexp* r);
4854typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param);
a932d541 4855typedef I32 (*re_fold_t)(const char *, char const *, I32);
56953603 4856
c76ac1ee 4857typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc 4858typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
f30de749 4859typedef void (*SVFUNC_t) (pTHX_ SV* const);
31e9e0a3 4860typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
acfe0abc
GS		 4861typedef void (*XSINIT_t) (pTHX);
4862typedef void (*ATEXIT_t) (pTHX_ void*);
4863typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4864
16c91539
BM		 4865typedef OP* (*Perl_ppaddr_t)(pTHX);
4866typedef OP* (*Perl_check_t) (pTHX_ OP*);
4867typedef void(*Perl_ophook_t)(pTHX_ OP*);
4868typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**);
1830b3d9 4869typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *);
88e1f1a2 4870
d67594ff
FC		 4871typedef void(*globhook_t)(pTHX);
4872
88e1f1a2
JV		 4873#define KEYWORD_PLUGIN_DECLINE 0
4874#define KEYWORD_PLUGIN_STMT 1
4875#define KEYWORD_PLUGIN_EXPR 2
22239a37 4876
58a50f62
GS		 4877/* Interpreter exitlist entry */
4878typedef struct exitlistentry {
acfe0abc 4879 void (*fn) (pTHX_ void*);
58a50f62
GS		 4880 void *ptr;
4881} PerlExitListEntry;
4882
aadb217d
JH		 4883/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4884/* These have to be before perlvars.h */
4885#if !defined(HAS_SIGACTION) && defined(VMS)
4886# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4887#endif
4888/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4889#if defined(KILL_BY_SIGPRC)
4890# define FAKE_DEFAULT_SIGNAL_HANDLERS
4891#endif
4892
8c1cc017
NC		 4893#if !defined(MULTIPLICITY)
4894
4895struct interpreter {
4896 char broiled;
22239a37
NIS		 4897};
4898
8c1cc017 4899#else
22239a37 4900
d460ef45 4901/* If we have multiple interpreters define a struct
d4cce5f1 4902 holding variables which must be per-interpreter
d460ef45 4903 If we don't have threads anything that would have
d4cce5f1
NIS		 4904 be per-thread is per-interpreter.
4905*/
4906
8c1cc017 4907/* Set up PERLVAR macros for populating structs */
115ff745 4908# define PERLVAR(prefix,var,type) type prefix##var;
eb42f199
KW		 4909
4910/* 'var' is an array of length 'n' */
115ff745 4911# define PERLVARA(prefix,var,n,type) type prefix##var[n];
eb42f199
KW		 4912
4913/* initialize 'var' to init' */
115ff745 4914# define PERLVARI(prefix,var,type,init) type prefix##var;
eb42f199
KW		 4915
4916/* like PERLVARI, but make 'var' a const */
115ff745 4917# define PERLVARIC(prefix,var,type,init) type prefix##var;
8c1cc017 4918
79072805 4919struct interpreter {
7766f137 4920# include "intrpvar.h"
49f531da 4921};
d4cce5f1 4922
724cf8d6
NC		 4923EXTCONST U16 PL_interp_size
4924 INIT(sizeof(struct interpreter));
4925
4926# define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \
4927 STRUCT_OFFSET(struct interpreter, member) + \
4928 sizeof(((struct interpreter*)0)->member)
4929
4930/* This will be useful for subsequent releases, because this has to be the
4931 same in your libperl as in main(), else you have a mismatch and must abort.
4932*/
d399cf59
NC		 4933EXTCONST U16 PL_interp_size_5_18_0
4934 INIT(PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_18_0_INTERP_MEMBER));
724cf8d6
NC		 4935
4936
8c1cc017
NC		 4937# ifdef PERL_GLOBAL_STRUCT
4938/* MULTIPLICITY is automatically defined when PERL_GLOBAL_STRUCT is defined,
4939 hence it's safe and sane to nest this within #ifdef MULTIPLICITY */
4940
4941struct perl_vars {
4942# include "perlvars.h"
49f531da 4943};
8c1cc017 4944
724cf8d6
NC		 4945EXTCONST U16 PL_global_struct_size
4946 INIT(sizeof(struct perl_vars));
4947
8c1cc017
NC		 4948# ifdef PERL_CORE
4949# ifndef PERL_GLOBAL_STRUCT_PRIVATE
4950EXT struct perl_vars PL_Vars;
4951EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
4952# undef PERL_GET_VARS
4953# define PERL_GET_VARS() PL_VarsPtr
4954# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
4955# else /* PERL_CORE */
4956# if !defined(__GNUC__) || !defined(WIN32)
4957EXT
4958# endif /* WIN32 */
4959struct perl_vars *PL_VarsPtr;
4960# define PL_Vars (*((PL_VarsPtr) \
4961 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
4962# endif /* PERL_CORE */
4963# endif /* PERL_GLOBAL_STRUCT */
79072805 4964
22239a37 4965/* Done with PERLVAR macros for now ... */
8c1cc017
NC		 4966# undef PERLVAR
4967# undef PERLVARA
4968# undef PERLVARI
4969# undef PERLVARIC
8c1cc017
NC		 4970
4971#endif /* MULTIPLICITY */
79072805 4972
f7fe979e 4973struct tempsym; /* defined in pp_pack.c */
49704364 4974
22239a37 4975#include "thread.h"
79072805 4976#include "pp.h"
864dbfa3
GS		 4977
4978#ifndef PERL_CALLCONV
a0c21aa1
JH		 4979# ifdef __cplusplus
4980# define PERL_CALLCONV extern "C"
4981# else
4982# define PERL_CALLCONV
4983# endif
d460ef45 4984#endif
12a2785c
DD		 4985#ifndef PERL_CALLCONV_NO_RET
4986# define PERL_CALLCONV_NO_RET PERL_CALLCONV
4987#endif
4988
98c015b7
DD		 4989/* PERL_STATIC_NO_RET is supposed to be equivalent to STATIC on builds that
4990 dont have a noreturn as a declaration specifier
4991*/
4992#ifndef PERL_STATIC_NO_RET
4993# define PERL_STATIC_NO_RET STATIC
4994#endif
4995/* PERL_STATIC_NO_RET is supposed to be equivalent to PERL_STATIC_INLINE on
4996 builds that dont have a noreturn as a declaration specifier
4997*/
4998#ifndef PERL_STATIC_INLINE_NO_RET
4999# define PERL_STATIC_INLINE_NO_RET PERL_STATIC_INLINE
5000#endif
5001
5002
0cb96387
GS		 5003#undef PERL_CKDEF
5004#undef PERL_PPDEF
0159f81b
JH		 5005#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
5006#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 5007
158cfab6
JD		 5008#ifdef MYMALLOC
5009# include "malloc_ctl.h"
5010#endif
5011
7766f137 5012#include "proto.h"
864dbfa3 5013
0cb96387 5014/* this has structure inits, so it cannot be included before here */
acfe0abc 5015#include "opcode.h"
864dbfa3 5016
d4cce5f1
NIS		 5017/* The following must follow proto.h as #defines mess up syntax */
5018
22c35a8c
GS		 5019#if !defined(PERL_FOR_X2P)
5020# include "embedvar.h"
5021#endif
598921a7
NC		 5022#ifndef PERL_MAD
5023# undef PL_madskills
5024# undef PL_xmlfp
5025# define PL_madskills 0
5026# define PL_xmlfp 0
5027#endif
d4cce5f1 5028
d460ef45 5029/* Now include all the 'global' variables
d4cce5f1 5030 * If we don't have threads or multiple interpreters
d460ef45 5031 * these include variables that would have been their struct-s
d4cce5f1 5032 */
d460ef45 5033
115ff745
NC		 5034#define PERLVAR(prefix,var,type) EXT type PL_##var;
5035#define PERLVARA(prefix,var,n,type) EXT type PL_##var[n];
5036#define PERLVARI(prefix,var,type,init) EXT type PL_##var INIT(init);
5037#define PERLVARIC(prefix,var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 5038
acfe0abc 5039#if !defined(MULTIPLICITY)
7766f137 5040START_EXTERN_C
066ef5b5 5041# include "intrpvar.h"
7766f137 5042END_EXTERN_C
22239a37
NIS		 5043#endif
5044
24792b8d
NC		 5045#ifdef PERL_CORE
5046/* All core uses now exterminated. Ensure no zombies can return: */
5047# undef PL_na
5048#endif
5049
f9293c5b
NC		 5050/* Now all the config stuff is setup we can include embed.h
5051 In particular, need the relevant *ish file included already, as it may
5052 define HAVE_INTERP_INTERN */
5053#include "embed.h"
5054#ifndef PERL_MAD
5055# undef op_getmad
5056# define op_getmad(arg,pegop,slot) NOOP
acfe0abc 5057#endif
22239a37 5058
c5be433b
GS		 5059#ifndef PERL_GLOBAL_STRUCT
5060START_EXTERN_C
5061
5062# include "perlvars.h"
5063
5064END_EXTERN_C
5065#endif
5066
d4cce5f1 5067#undef PERLVAR
51371543 5068#undef PERLVARA
d4cce5f1 5069#undef PERLVARI
0f3f18a6 5070#undef PERLVARIC
79072805 5071
73c4f7a1
GS		 5072START_EXTERN_C
5073
af2f0da9
NC		 5074/* dummy variables that hold pointers to both runops functions, thus forcing
5075 * them *both* to get linked in (useful for Peek.xs, debugging etc) */
5076
5077EXTCONST runops_proc_t PL_runops_std
5078 INIT(Perl_runops_standard);
5079EXTCONST runops_proc_t PL_runops_dbg
5080 INIT(Perl_runops_debug);
5081
bc028b6b
JH		 5082/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
5083 * magic vtables const, but this is incompatible with SWIG which
5084 * does want to modify the vtables. */
5085#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5086# define EXT_MGVTBL EXTCONST MGVTBL
5087#else
5088# define EXT_MGVTBL EXT MGVTBL
5089#endif
5090
82ff486e 5091#define PERL_MAGIC_READONLY_ACCEPTABLE 0x40
e0a73de4
NC		 5092#define PERL_MAGIC_VALUE_MAGIC 0x80
5093#define PERL_MAGIC_VTABLE_MASK 0x3F
82ff486e
NC		 5094#define PERL_MAGIC_TYPE_READONLY_ACCEPTABLE(t) \
5095 (PL_magic_data[(U8)(t)] & PERL_MAGIC_READONLY_ACCEPTABLE)
e0a73de4
NC		 5096#define PERL_MAGIC_TYPE_IS_VALUE_MAGIC(t) \
5097 (PL_magic_data[(U8)(t)] & PERL_MAGIC_VALUE_MAGIC)
5098
8b09643d 5099#include "mg_vtable.h"
6f83ef0e
NC		 5100
5101#ifdef DOINIT
5102EXTCONST U8 PL_magic_data[256] =
dde5ec2c
NC		 5103# ifdef PERL_MICRO
5104# include "umg_data.h"
5105# else
5106# include "mg_data.h"
5107# endif
6f83ef0e
NC		 5108;
5109#else
5110EXTCONST U8 PL_magic_data[256];
5111#endif
5112
f1fb8741 5113#ifdef DOINIT
e94d9b54 5114 /* NL IV NV PV INV PI PN MG RX GV LV AV HV CV FM IO */
f1fb8741 5115EXTCONST bool
e94d9b54 5116PL_valid_types_IVX[] = { 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
f1fb8741 5117EXTCONST bool
e94d9b54 5118PL_valid_types_NVX[] = { 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
f1fb8741 5119EXTCONST bool
d361b004 5120PL_valid_types_PVX[] = { 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1 };
f1fb8741 5121EXTCONST bool
e94d9b54 5122PL_valid_types_RV[] = { 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1 };
f1fb8741 5123EXTCONST bool
e94d9b54 5124PL_valid_types_IV_set[] = { 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1 };
f1fb8741 5125EXTCONST bool
e94d9b54 5126PL_valid_types_NV_set[] = { 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 };
f1fb8741
DM		 5127
5128#else
5129
5130EXTCONST bool PL_valid_types_IVX[];
5131EXTCONST bool PL_valid_types_NVX[];
5132EXTCONST bool PL_valid_types_PVX[];
5133EXTCONST bool PL_valid_types_RV[];
5134EXTCONST bool PL_valid_types_IV_set[];
5135EXTCONST bool PL_valid_types_NV_set[];
5136
5137#endif
5138
c7627e6d
NC		 5139#ifndef PERL_NO_INLINE_FUNCTIONS
5140/* Static inline funcs that depend on includes and declarations above.
5141 Some of these reference functions in the perl object files, and some
5142 compilers aren't smart enough to eliminate unused static inline
5143 functions, so including this file in source code can cause link errors
5144 even if the source code uses none of the functions. Hence including these
5145 can be be suppressed by setting PERL_NO_INLINE_FUNCTIONS. Doing this will
5146 (obviously) result in unworkable XS code, but allows simple probing code
5147 to continue to work, because it permits tests to include the perl headers
5148 for definitions without creating a link dependency on the perl library
5149 (which may not exist yet).
5150*/
5151
5152# include "inline.h"
5153#endif
f1fb8741 5154
bab3dc31 5155#include "overload.h"
a0d0e21e 5156
73c4f7a1
GS		 5157END_EXTERN_C
5158
a6006777 5159struct am_table {
8978b4ac
NC		 5160 U8 flags;
5161 U8 fallback;
5162 U16 spare;
eb160463 5163 U32 was_ok_sub;
9bd87817 5164 CV* table[NofAMmeth];
a0d0e21e 5165};
a6006777 5166struct am_table_short {
8978b4ac
NC		 5167 U8 flags;
5168 U8 fallback;
5169 U16 spare;
eb160463 5170 U32 was_ok_sub;
a6006777 5171};
a0d0e21e 5172typedef struct am_table AMT;
a6006777 5173typedef struct am_table_short AMTS;
a0d0e21e
LW		 5174
5175#define AMGfallNEVER 1
5176#define AMGfallNO 2
5177#define AMGfallYES 3
5178
a6006777 5179#define AMTf_AMAGIC 1
5180#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5181#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5182#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
5183
32251b26 5184#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5185
5186/*
5187 * some compilers like to redefine cos et alia as faster
5188 * (and less accurate?) versions called F_cos et cetera (Quidquid
5189 * latine dictum sit, altum viditur.) This trick collides with
5190 * the Perl overloading (amg). The following #defines fool both.
5191 */
5192
5193#ifdef _FASTMATH
5194# ifdef atan2
5195# define F_atan2_amg atan2_amg
5196# endif
5197# ifdef cos
5198# define F_cos_amg cos_amg
5199# endif
5200# ifdef exp
5201# define F_exp_amg exp_amg
5202# endif
5203# ifdef log
5204# define F_log_amg log_amg
5205# endif
5206# ifdef pow
5207# define F_pow_amg pow_amg
5208# endif
5209# ifdef sin
5210# define F_sin_amg sin_amg
5211# endif
5212# ifdef sqrt
5213# define F_sqrt_amg sqrt_amg
5214# endif
5215#endif /* _FASTMATH */
5216
83ee9e09
GS		 5217#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5218 PERLDBf_NOOPT | PERLDBf_INTER | \
5219 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
b8fcbefe
NC		 5220 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5221 PERLDBf_SAVESRC)
925cfbb8 5222 /* No _NONAME, _GOTO */
83ee9e09
GS		 5223#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5224#define PERLDBf_LINE 0x02 /* Keep line # */
5225#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5226#define PERLDBf_INTER 0x08 /* Preserve more data for
5227 later inspections */
5228#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5229#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5230#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5231#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5232#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5233#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
b8fcbefe 5234#define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
486ec47a 5235#define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */
c30d8139 5236#define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
84902520 5237
3280af22
NIS		 5238#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5239#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5240#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5241#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5242#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5243#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5244#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5245#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5246#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5247#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
b8fcbefe 5248#define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC))
c30d8139
NC		 5249#define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS))
5250#define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID))
bbce6d69 5251
36477c24 5252#ifdef USE_LOCALE_NUMERIC
bbce6d69 5253
c8bf5ca7 5254/* Returns TRUE if the plain locale pragma without a parameter is in effect
66cbab2c 5255 */
c8bf5ca7 5256#define IN_LOCALE_RUNTIME cBOOL(CopHINTS_get(PL_curcop) & HINT_LOCALE)
66cbab2c 5257
c8bf5ca7 5258/* Returns TRUE if either form of the locale pragma is in effect */
66cbab2c 5259#define IN_SOME_LOCALE_FORM_RUNTIME \
c8bf5ca7 5260 cBOOL(CopHINTS_get(PL_curcop) & (HINT_LOCALE|HINT_LOCALE_NOT_CHARS))
66cbab2c 5261
c8bf5ca7 5262#define IN_LOCALE_COMPILETIME cBOOL(PL_hints & HINT_LOCALE)
66cbab2c 5263#define IN_SOME_LOCALE_FORM_COMPILETIME \
c8bf5ca7 5264 cBOOL(PL_hints & (HINT_LOCALE|HINT_LOCALE_NOT_CHARS))
2de3dbcc
JH		 5265
5266#define IN_LOCALE \
923e4eb5 5267 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
66cbab2c
KW		 5268#define IN_SOME_LOCALE_FORM \
5269 (IN_PERL_COMPILETIME ? IN_SOME_LOCALE_FORM_COMPILETIME \
5270 : IN_SOME_LOCALE_FORM_RUNTIME)
2de3dbcc 5271
8a11fac9
KW		 5272/* These macros are for toggling between the underlying locale (LOCAL) and the
5273 * C locale. */
5274
5275/* The first set makes sure that the locale is set to C unless within a 'use
5276 * locale's scope; otherwise to the default locale. A function pointer is
5277 * used, which can be declared separately by
5278 * DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED, followed by the actual
5279 * setting (using STORE_LC_NUMERIC_SET_TO_NEEDED()), or the two can be combined
5280 * into one call DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED().
5281 * RESTORE_LC_NUMERIC() in all cases restores the locale to what it was before
5282 * these were called */
5283
5284#define DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED \
5285 void (*_restore_LC_NUMERIC_function)(pTHX) = NULL;
5286
5287#define STORE_LC_NUMERIC_SET_TO_NEEDED() \
5288 if (IN_SOME_LOCALE_FORM) { \
5289 if (! PL_numeric_local) { \
5290 SET_NUMERIC_LOCAL(); \
5291 _restore_LC_NUMERIC_function = &Perl_set_numeric_standard; \
5292 } \
5293 } \
5294 else { \
5295 if (! PL_numeric_standard) { \
5296 SET_NUMERIC_STANDARD(); \
5297 _restore_LC_NUMERIC_function = &Perl_set_numeric_local; \
5298 } \
5299 }
5300
5301#define DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED() \
5302 DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED; \
5303 STORE_LC_NUMERIC_SET_TO_NEEDED();
5304
5305#define RESTORE_LC_NUMERIC() \
5306 if (_restore_LC_NUMERIC_function) { \
5307 _restore_LC_NUMERIC_function(aTHX); \
5308 }
5309
5310/* The next two macros set unconditionally. These should be rarely used, and
5311 * only after being sure that this is what is needed */
87755cd9
KW		 5312#define SET_NUMERIC_STANDARD() \
5313 set_numeric_standard();
5314
5315#define SET_NUMERIC_LOCAL() \
5316 set_numeric_local();
5317
8a11fac9
KW		 5318/* The rest of these LC_NUMERIC macros toggle to one or the other state, with
5319 * the RESTORE_foo ones called to switch back, but only if need be */
f93f4e46 5320#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
7cdd8b31 5321 bool was_local = PL_numeric_local; \
ff4fed7c 5322 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46 5323
b34856cb
KW		 5324/* Doesn't change to underlying locale unless within the scope of some form of
5325 * 'use locale'. This is the usual desired behavior. */
f93f4e46 5326#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
b34856cb 5327 bool was_standard = PL_numeric_standard && IN_SOME_LOCALE_FORM; \
ff4fed7c 5328 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46 5329
371d5d44
KW		 5330/* Rarely, we want to change to the underlying locale even outside of 'use
5331 * locale'. This is principally in the POSIX:: functions */
5332#define STORE_NUMERIC_STANDARD_FORCE_LOCAL() \
5333 bool was_standard = PL_numeric_standard; \
5334 if (was_standard) SET_NUMERIC_LOCAL();
5335
f93f4e46
CK		 5336#define RESTORE_NUMERIC_LOCAL() \
5337 if (was_local) SET_NUMERIC_LOCAL();
5338
5339#define RESTORE_NUMERIC_STANDARD() \
5340 if (was_standard) SET_NUMERIC_STANDARD();
5341
5b877257 5342#define Atof my_atof
097ee67d 5343
36477c24 5344#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5345
097ee67d
JH		 5346#define SET_NUMERIC_STANDARD() /**/
5347#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5348#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5349#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5350#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
8a11fac9 5351#define STORE_NUMERIC_STANDARD_FORCE_LOCAL()
097ee67d
JH		 5352#define RESTORE_NUMERIC_LOCAL() /**/
5353#define RESTORE_NUMERIC_STANDARD() /**/
8a11fac9
KW		 5354#define DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED
5355#define STORE_LC_NUMERIC_SET_TO_NEEDED()
5356#define DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED()
5357#define RESTORE_LC_NUMERIC()
5358
2cdc7fd1 5359#define Atof my_atof
ad3e0f90 5360#define IN_LOCALE_RUNTIME 0
d40eae8f 5361#define IN_LOCALE_COMPILETIME 0
bbce6d69 5362
36477c24 5363#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5364
85b76970
SH		 5365#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && \
5366 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
ec7b9793
JH		 5367# ifdef __hpux
5368# define strtoll __strtoll /* secret handshake */
5369# endif
c623ac67
GS		 5370# ifdef WIN64
5371# define strtoll _strtoi64 /* secret handshake */
5372# endif
079290de
GS		 5373# if !defined(Strtol) && defined(HAS_STRTOLL)
5374# define Strtol strtoll
ad551343 5375# endif
28e5dec8
JH		 5376# if !defined(Strtol) && defined(HAS_STRTOQ)
5377# define Strtol strtoq
5378# endif
ff935051 5379/* is there atoq() anywhere? */
15b99d39 5380#endif
079290de
GS		 5381#if !defined(Strtol) && defined(HAS_STRTOL)
5382# define Strtol strtol
5383#endif
5384#ifndef Atol
5385/* It would be more fashionable to use Strtol() to define atol()
5386 * (as is done for Atoul(), see below) but for backward compatibility
5387 * we just assume atol(). */
85b76970
SH		 5388# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && defined(HAS_ATOLL) && \
5389 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
c623ac67
GS		 5390# ifdef WIN64
5391# define atoll _atoi64 /* secret handshake */
5392# endif
76b882ba
JH		 5393# define Atol atoll
5394# else
5395# define Atol atol
5396# endif
cf2093f6
JH		 5397#endif
5398
85b76970
SH		 5399#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && \
5400 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
ec7b9793
JH		 5401# ifdef __hpux
5402# define strtoull __strtoull /* secret handshake */
5403# endif
c623ac67
GS		 5404# ifdef WIN64
5405# define strtoull _strtoui64 /* secret handshake */
5406# endif
ad551343 5407# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5408# define Strtoul strtoull
15b99d39 5409# endif
079290de
GS		 5410# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5411# define Strtoul strtouq
5412# endif
76d49b1c 5413/* is there atouq() anywhere? */
ad551343 5414#endif
079290de
GS		 5415#if !defined(Strtoul) && defined(HAS_STRTOUL)
5416# define Strtoul strtoul
cf2093f6 5417#endif
a5523c5b
JH		 5418#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5419# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5420#endif
079290de 5421#ifndef Atoul
d4c19fe8 5422# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5423#endif
cf2093f6 5424
760ac839 5425
06d86050
GS		 5426/* if these never got defined, they need defaults */
5427#ifndef PERL_SET_CONTEXT
5428# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5429#endif
5430
5431#ifndef PERL_GET_CONTEXT
5432# define PERL_GET_CONTEXT PERL_GET_INTERP
5433#endif
5434
5435#ifndef PERL_GET_THX
5436# define PERL_GET_THX ((void*)NULL)
5437#endif
5438
5439#ifndef PERL_SET_THX
5440# define PERL_SET_THX(t) NOOP
5441#endif
5442
a868473f
NIS		 5443#ifndef PERL_SCRIPT_MODE
5444#define PERL_SCRIPT_MODE "r"
5445#endif
5446
fba3b22e 5447/*
da927450
JH		 5448 * Some operating systems are stingy with stack allocation,
5449 * so perl may have to guard against stack overflow.
5450 */
5451#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5452#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5453#endif
5454
5455/*
5456 * Some nonpreemptive operating systems find it convenient to
5457 * check for asynchronous conditions after each op execution.
5458 * Keep this check simple, or it may slow down execution
5459 * massively.
5460 */
ce08f86c 5461
1d615522 5462#ifndef PERL_MICRO
4ffa73a3 5463# ifndef PERL_ASYNC_CHECK
5d9574c1 5464# define PERL_ASYNC_CHECK() if (UNLIKELY(PL_sig_pending)) PL_signalhook(aTHX)
4ffa73a3 5465# endif
ce08f86c
NIS		 5466#endif
5467
da927450 5468#ifndef PERL_ASYNC_CHECK
1d615522 5469# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5470#endif
5471
5472/*
5473 * On some operating systems, a memory allocation may succeed,
5474 * but put the process too close to the system's comfort limit.
5475 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5476 * it to NULL.
5477 */
5478#ifndef PERL_ALLOC_CHECK
c2af87cb 5479#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5480#endif
5481
bd89102f
AD		 5482#ifdef HAS_SEM
5483# include <sys/ipc.h>
5484# include <sys/sem.h>
5485# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5486 union semun {
dbba660d
TC		 5487 int val;
5488 struct semid_ds *buf;
5489 unsigned short *array;
bd89102f
AD		 5490 };
5491# endif
5492# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5493# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5494 union gccbug_semun {
5495 int val;
5496 struct semid_ds *buf;
5497 unsigned short *array;
5498 char __dummy[5];
5499 };
5500# define semun gccbug_semun
5501# endif
bd89102f
AD		 5502# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5503# else
5504# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5505# ifdef EXTRA_F_IN_SEMUN_BUF
5506# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5507# else
5508# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5509# endif
bd89102f
AD		 5510# endif
5511# endif
bd89102f 5512#endif
49f531da 5513
89ca4ac7
JH		 5514/*
5515 * Boilerplate macros for initializing and accessing interpreter-local
5516 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 5517 * this, if you want to make the extension thread-safe. See
5518 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5519 * and perlxs.pod for more.
89ca4ac7
JH		 5520 *
5521 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5522 * 1. #define MY_CXT_KEY to a unique string, e.g.
5523 * "DynaLoader::_guts" XS_VERSION
f16dd614 5524 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5525 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5526 * all the data that needs to be interpreter-local.
5527 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5528 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5529 * (typically put in the BOOT: section).
5530 * 5. Use the members of the my_cxt_t structure everywhere as
5531 * MY_CXT.member.
5532 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5533 * access MY_CXT.
5534 */
5535
fc958cd2 5536#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 5537
4eddb856 5538/* START_MY_CXT must appear in all extensions that define a my_cxt_t structure,
53d44271
JH		 5539 * right after the definition (i.e. at file scope). The non-threads
5540 * case below uses it to declare the data as static. */
00ab59c9
DM		 5541# ifdef PERL_GLOBAL_STRUCT_PRIVATE
5542# define START_MY_CXT
5543# define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5544# define MY_CXT_INIT_ARG MY_CXT_KEY
5545# else
5546# define START_MY_CXT static int my_cxt_index = -1;
5547# define MY_CXT_INDEX my_cxt_index
5548# define MY_CXT_INIT_ARG &my_cxt_index
5549# endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
53d44271
JH		 5550
5551/* Creates and zeroes the per-interpreter data.
5552 * (We allocate my_cxtp in a Perl SV so that it will be released when
5553 * the interpreter goes away.) */
00ab59c9 5554# define MY_CXT_INIT \
53d44271 5555 my_cxt_t *my_cxtp = \
9f6df31a
Z		 5556 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
5557 PERL_UNUSED_VAR(my_cxtp)
00ab59c9 5558# define MY_CXT_INIT_INTERP(my_perl) \
53d44271 5559 my_cxt_t *my_cxtp = \
9f6df31a
Z		 5560 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
5561 PERL_UNUSED_VAR(my_cxtp)
53d44271
JH		 5562
5563/* This declaration should be used within all functions that use the
5564 * interpreter-local data. */
00ab59c9 5565# define dMY_CXT \
53d44271 5566 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
00ab59c9 5567# define dMY_CXT_INTERP(my_perl) \
53d44271
JH		 5568 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5569
5570/* Clones the per-interpreter data. */
00ab59c9 5571# define MY_CXT_CLONE \
53d44271
JH		 5572 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5573 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5574 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5575
53d44271 5576
89ca4ac7 5577/* This macro must be used to access members of the my_cxt_t structure.
870598ae 5578 * e.g. MY_CXT.some_data */
00ab59c9 5579# define MY_CXT (*my_cxtp)
89ca4ac7
JH		 5580
5581/* Judicious use of these macros can reduce the number of times dMY_CXT
5582 * is used. Use is similar to pTHX, aTHX etc. */
00ab59c9
DM		 5583# define pMY_CXT my_cxt_t *my_cxtp
5584# define pMY_CXT_ pMY_CXT,
5585# define _pMY_CXT ,pMY_CXT
5586# define aMY_CXT my_cxtp
5587# define aMY_CXT_ aMY_CXT,
5588# define _aMY_CXT ,aMY_CXT
89ca4ac7 5589
f16dd614 5590#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7 5591
00ab59c9
DM		 5592# define START_MY_CXT static my_cxt_t my_cxt;
5593# define dMY_CXT_SV dNOOP
5594# define dMY_CXT dNOOP
5595# define dMY_CXT_INTERP(my_perl) dNOOP
5596# define MY_CXT_INIT NOOP
5597# define MY_CXT_CLONE NOOP
5598# define MY_CXT my_cxt
5599
5600# define pMY_CXT void
5601# define pMY_CXT_
5602# define _pMY_CXT
5603# define aMY_CXT
5604# define aMY_CXT_
5605# define _aMY_CXT
89ca4ac7 5606
f16dd614 5607#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5608
9a34ef1d
GS		 5609#ifdef I_FCNTL
5610# include <fcntl.h>
9a34ef1d
GS		 5611#endif
5612
9cffb111
OS		 5613#ifdef __Lynx__
5614# include <fcntl.h>
5615#endif
5616
9a34ef1d
GS		 5617#ifdef I_SYS_FILE
5618# include <sys/file.h>
5619#endif
5620
fa0a29af 5621#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5622int flock(int fd, int op);
5623#endif
5624
fe52b3b7
GS		 5625#ifndef O_RDONLY
5626/* Assume UNIX defaults */
5627# define O_RDONLY 0000
5628# define O_WRONLY 0001
5629# define O_RDWR 0002
5630# define O_CREAT 0100
5631#endif
9a34ef1d 5632
16fe6d59
GS		 5633#ifndef O_BINARY
5634# define O_BINARY 0
5635#endif
5636
5637#ifndef O_TEXT
5638# define O_TEXT 0
5639#endif
5640
6ce75a77
JH		 5641#if O_TEXT != O_BINARY
5642 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5643 * that is, you are somehow DOSish. */
b6c36746
NC		 5644# if defined(__HAIKU__) || defined(__VOS__) || defined(__CYGWIN__)
5645 /* Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5646 * Haiku is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5647 /* VOS has O_TEXT != O_BINARY, and they have effect,
5648 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5649 /* If you have O_TEXT different from your O_BINARY but you still are
5650 * not a CRLF shop. */
35990314 5651# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5652# else
5653 /* If you really are DOSish. */
5654# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5655# endif
5656#endif
5657
4bc88a62
PS		 5658#ifdef I_LIBUTIL
5659# include <libutil.h> /* setproctitle() in some FreeBSDs */
5660#endif
5661
b4748376 5662#ifndef EXEC_ARGV_CAST
360ea906 5663#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 5664#endif
5665
dd5dc04f
JH		 5666#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5667 int). value returned in pointed-
5668 to UV */
5669#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5670#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5671#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5672#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5673#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5674
5675#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5676
53305cf1
NC		 5677/* Input flags: */
5678#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5679#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5680#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
02470786
KW		 5681#define PERL_SCAN_SILENT_NON_PORTABLE 0x08 /* grok_??? not warn about very large
5682 numbers which are <= UV_MAX */
53305cf1
NC		 5683/* Output flags: */
5684#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5685
2c4f7f0e
DM		 5686/* to let user control profiling */
5687#ifdef PERL_GPROF_CONTROL
5688extern void moncontrol(int);
5689#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5690#else
5691#define PERL_GPROF_MONCONTROL(x)
5692#endif
5693
ae0e3d3b
JH		 5694#ifdef UNDER_CE
5695#include "wince.h"
5696#endif
5697
5698/* ISO 6429 NEL - C1 control NExt Line */
5699/* See http://www.unicode.org/unicode/reports/tr13/ */
ec34087a 5700#define NEXT_LINE_CHAR NEXT_LINE_NATIVE
ae0e3d3b
JH		 5701
5702/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5703#define UNICODE_LINE_SEPA_0 0xE2
5704#define UNICODE_LINE_SEPA_1 0x80
5705#define UNICODE_LINE_SEPA_2 0xA8
5706#define UNICODE_PARA_SEPA_0 0xE2
5707#define UNICODE_PARA_SEPA_1 0x80
5708#define UNICODE_PARA_SEPA_2 0xA9
5709
479b2847
GS		 5710#ifndef PIPESOCK_MODE
5711# define PIPESOCK_MODE
5712#endif
5713
460c8493
IZ		 5714#ifndef SOCKET_OPEN_MODE
5715# define SOCKET_OPEN_MODE PIPESOCK_MODE
5716#endif
5717
5718#ifndef PIPE_OPEN_MODE
5719# define PIPE_OPEN_MODE PIPESOCK_MODE
5720#endif
5721
7e8c5dac
HS		 5722#define PERL_MAGIC_UTF8_CACHESIZE 2
5723
a05d7ebb
JH		 5724#define PERL_UNICODE_STDIN_FLAG 0x0001
5725#define PERL_UNICODE_STDOUT_FLAG 0x0002
5726#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5727#define PERL_UNICODE_IN_FLAG 0x0008
5728#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5729#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5730#define PERL_UNICODE_LOCALE_FLAG 0x0040
5731#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 5732#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 5733
06e66572
JH		 5734#define PERL_UNICODE_STD_FLAG \
5735 (PERL_UNICODE_STDIN_FLAG | \
5736 PERL_UNICODE_STDOUT_FLAG | \
5737 PERL_UNICODE_STDERR_FLAG)
5738
5739#define PERL_UNICODE_INOUT_FLAG \
5740 (PERL_UNICODE_IN_FLAG | \
5741 PERL_UNICODE_OUT_FLAG)
5742
5743#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5744 (PERL_UNICODE_STD_FLAG | \
5745 PERL_UNICODE_INOUT_FLAG | \
5746 PERL_UNICODE_LOCALE_FLAG)
5747
5a22a2bb 5748#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 5749
5750#define PERL_UNICODE_STDIN 'I'
5751#define PERL_UNICODE_STDOUT 'O'
5752#define PERL_UNICODE_STDERR 'E'
5753#define PERL_UNICODE_STD 'S'
5754#define PERL_UNICODE_IN 'i'
5755#define PERL_UNICODE_OUT 'o'
5756#define PERL_UNICODE_INOUT 'D'
5757#define PERL_UNICODE_ARGV 'A'
5758#define PERL_UNICODE_LOCALE 'L'
5759#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 5760#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 5761
4ffa73a3
JH		 5762#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5763
32fdb065 5764/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5765 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5766#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5767
3c0f78ca
JH		 5768#if defined(__DECC) && defined(__osf__)
5769#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 5770#endif
5771
e4dba786
NC		 5772#define do_open(g, n, l, a, rm, rp, sf) \
5773 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 5774#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 5775# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 5776#endif
15871fce
NC		 5777#ifdef OS2
5778# define do_aexec Perl_do_aexec
5779#else
5780# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 5781#endif
e4dba786 5782
c8028aa6
TC		 5783/* check embedded \0 characters in pathnames passed to syscalls,
5784 but allow one ending \0 */
41188aa0 5785#define IS_SAFE_SYSCALL(p, len, what, op_name) (S_is_safe_syscall(aTHX_ (p), (len), (what), (op_name)))
c8028aa6 5786
41188aa0 5787#define IS_SAFE_PATHNAME(p, len, op_name) IS_SAFE_SYSCALL((p), (len), "pathname", (op_name))
c8028aa6 5788
2f3efc97
JH		 5789#if defined(OEMVS)
5790#define NO_ENV_ARRAY_IN_MAIN
5791#endif
5792
00f254e2
KW		 5793/* These are used by Perl_pv_escape() and Perl_pv_pretty()
5794 * are here so that they are available throughout the core
10edeb5d
JH		 5795 * NOTE that even though some are for _escape and some for _pretty
5796 * there must not be any clashes as the flags from _pretty are
5797 * passed straight through to _escape.
5798 */
5799
5800#define PERL_PV_ESCAPE_QUOTE 0x0001
5801#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
5802
95b611b0 5803#define PERL_PV_PRETTY_ELLIPSES 0x0002
10edeb5d
JH		 5804#define PERL_PV_PRETTY_LTGT 0x0004
5805
5806#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
5807
00f254e2 5808#define PERL_PV_ESCAPE_UNI 0x0100
10edeb5d 5809#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
681f01c2 5810#define PERL_PV_ESCAPE_NONASCII 0x0400
10edeb5d
JH		 5811
5812#define PERL_PV_ESCAPE_ALL 0x1000
5813#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
5814#define PERL_PV_ESCAPE_NOCLEAR 0x4000
44a2ac75 5815#define PERL_PV_ESCAPE_RE 0x8000
10edeb5d 5816
0eb335df
BF		 5817#define PERL_PV_ESCAPE_DWIM 0x10000
5818
881a015e
NC		 5819#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
5820
10edeb5d 5821/* used by pv_display in dump.c*/
95b611b0 5822#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
c89df6cf 5823#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII
10edeb5d
JH		 5824
5825/*
5826
5827 (KEEP THIS LAST IN perl.h!)
5828
5829 Mention
d460ef45 5830
43999f95 5831 NV_PRESERVES_UV
fe749a9f 5832
fe749a9f
JH		 5833 HAS_MKSTEMP
5834 HAS_MKSTEMPS
5835 HAS_MKDTEMP
5836
49dabb45
JH		 5837 HAS_GETCWD
5838
d59b5429 5839 HAS_MMAP
fe749a9f
JH		 5840 HAS_MPROTECT
5841 HAS_MSYNC
1e8c3fde 5842 HAS_MADVISE
fe749a9f
JH		 5843 HAS_MUNMAP
5844 I_SYSMMAN
5845 Mmap_t
5846
6b4667fc
A		 5847 NVef
5848 NVff
5849 NVgf
5850
4e0554ec 5851 HAS_UALARM
2d736872 5852 HAS_USLEEP
4e0554ec
JH		 5853
5854 HAS_SETITIMER
5855 HAS_GETITIMER
5856
5857 HAS_SENDMSG
5858 HAS_RECVMSG
5859 HAS_READV
5860 HAS_WRITEV
5861 I_SYSUIO
5862 HAS_STRUCT_MSGHDR
5863 HAS_STRUCT_CMSGHDR
5864
2765b840 5865 HAS_NL_LANGINFO
0a7020c9 5866
ae0e3d3b 5867 HAS_DIRFD
2765b840 5868
10edeb5d 5869 so that Configure picks them up.
ab3bbdeb 5870
10edeb5d 5871 (KEEP THIS LAST IN perl.h!)
3df15adc 5872
10edeb5d 5873*/
3df15adc 5874
85e6fe83 5875#endif /* Include guard */
e9a8c099
MHM		 5876
5877/*
5878 * Local variables:
5879 * c-indentation-style: bsd
5880 * c-basic-offset: 4
14d04a33 5881 * indent-tabs-mode: nil
e9a8c099
MHM		 5882 * End:
5883 *
14d04a33 5884 * ex: set ts=8 sts=4 sw=4 et:
e9a8c099 5885 */
Unnamed repository; edit this file 'description' to name the repository.