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VC++ has QUADKIND == QUAD_IS___INT64 so we might as well make use of it
[perl5.git] / perl.h
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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
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
00f254e2 31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
b0f06652
VK		 37# ifndef USE_CROSS_COMPILE
38# include "config.h"
39# else
40# include "xconfig.h"
41# endif
12ae5dfc 42#endif
0cb96387 43
2c2d71f5
JH		 44/* See L<perlguts/"The Perl API"> for detailed notes on
45 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
46
ac6bedea
JH		 47/* Note that from here --> to <-- the same logic is
48 * repeated in makedef.pl, so be certain to update
49 * both places when editing. */
50
6f4183fe 51#ifdef USE_ITHREADS
acfe0abc 52# if !defined(MULTIPLICITY)
6f4183fe
GS		 53# define MULTIPLICITY
54# endif
55#endif
56
27da23d5
JH		 57#ifdef PERL_GLOBAL_STRUCT_PRIVATE
58# ifndef PERL_GLOBAL_STRUCT
59# define PERL_GLOBAL_STRUCT
60# endif
61#endif
97aff369 62
27da23d5
JH		 63#ifdef PERL_GLOBAL_STRUCT
64# ifndef MULTIPLICITY
65# define MULTIPLICITY
66# endif
67#endif
68
97aff369
JH		 69#ifdef MULTIPLICITY
70# ifndef PERL_IMPLICIT_CONTEXT
71# define PERL_IMPLICIT_CONTEXT
72# endif
73#endif
74
026fd48b
GH		 75/* undef WIN32 when building on Cygwin (for libwin32) - gph */
76#ifdef __CYGWIN__
77# undef WIN32
78# undef _WIN32
79#endif
80
27da23d5
JH		 81#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
82# ifndef SYMBIAN
83# define SYMBIAN
84# endif
85#endif
86
a0fd4948 87#ifdef __SYMBIAN32__
27da23d5
JH		 88# include "symbian/symbian_proto.h"
89#endif
90
91/* Any stack-challenged places. The limit varies (and often
92 * is configurable), but using more than a kilobyte of stack
93 * is usually dubious in these systems. */
a0fd4948 94#if defined(EPOC) || defined(__SYMBIAN32__)
27da23d5
JH		 95/* EPOC/Symbian: need to work around the SDK features. *
96 * On WINS: MS VC5 generates calls to _chkstk, *
97 * if a "large" stack frame is allocated. *
98 * gcc on MARM does not generate calls like these. */
99# define USE_HEAP_INSTEAD_OF_STACK
100#endif
101
102#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 103/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 104#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 105# define USE_REENTRANT_API
106#endif
107
ac6bedea
JH		 108/* <--- here ends the logic shared by perl.h and makedef.pl */
109
af28e889 110/*
6239f2da
JH		 111 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
112 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 113 * __bsdi__ for BSD/OS
114 */
6239f2da 115#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 116# ifndef BSDish
117# define BSDish
118# endif
119#endif
120
cf5a8da6
MHM		 121#undef START_EXTERN_C
122#undef END_EXTERN_C
123#undef EXTERN_C
124#ifdef __cplusplus
125# define START_EXTERN_C extern "C" {
126# define END_EXTERN_C }
127# define EXTERN_C extern "C"
128#else
129# define START_EXTERN_C
130# define END_EXTERN_C
131# define EXTERN_C extern
132#endif
133
17a6c8e3
AD		 134/* Fallback definitions in case we don't have definitions from config.h.
135 This should only matter for systems that don't use Configure and
136 haven't been modified to define PERL_STATIC_INLINE yet.
137*/
138#if !defined(PERL_STATIC_INLINE)
139# ifdef HAS_STATIC_INLINE
140# define PERL_STATIC_INLINE static inline
141# else
142# define PERL_STATIC_INLINE static
143# endif
144#endif
145
27da23d5
JH		 146#ifdef PERL_GLOBAL_STRUCT
147# ifndef PERL_GET_VARS
148# ifdef PERL_GLOBAL_STRUCT_PRIVATE
cf5a8da6 149 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
27da23d5
JH		 150# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
151# ifndef PERLIO_FUNCS_CONST
152# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
153# endif
154# else
155# define PERL_GET_VARS() PL_VarsPtr
156# endif
157# endif
158#endif
159
7a89be66 160#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH		 161
162#ifdef PERL_GLOBAL_STRUCT
163# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
164#else
165# define dVAR dNOOP
166#endif
167
c5be433b 168#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 169# ifndef MULTIPLICITY
170# define MULTIPLICITY
c5be433b 171# endif
e8dda941 172# define tTHX PerlInterpreter*
5ba4cab2 173# define pTHX register tTHX my_perl PERL_UNUSED_DECL
3db8f154 174# define aTHX my_perl
27da23d5 175# ifdef PERL_GLOBAL_STRUCT
e8dda941 176# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 177# else
e8dda941 178# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH		 179# endif
180# ifdef PERL_GLOBAL_STRUCT
181# define dTHX dVAR; pTHX = PERL_GET_THX
182# else
183# define dTHX pTHX = PERL_GET_THX
184# endif
c5be433b 185# define pTHX_ pTHX,
c5be433b 186# define aTHX_ aTHX,
4373e329 187# define pTHX_1 2
894356b3
GS		 188# define pTHX_2 3
189# define pTHX_3 4
190# define pTHX_4 5
4373e329
AL		 191# define pTHX_5 6
192# define pTHX_6 7
a3b680e6
AL		 193# define pTHX_7 8
194# define pTHX_8 9
195# define pTHX_9 10
e8dda941
JD		 196# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
197# define PERL_TRACK_MEMPOOL
198# endif
199#else
200# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 201#endif
202
76e3520e 203#define STATIC static
16c91539
BM		 204
205#ifndef PERL_CORE
206/* Do not use these macros. They were part of PERL_OBJECT, which was an
207 * implementation of multiplicity using C++ objects. They have been left
208 * here solely for the sake of XS code which has incorrectly
209 * cargo-culted them.
210 */
76e3520e 211#define CPERLscope(x) x
565764a8 212#define CPERLarg void
76e3520e 213#define CPERLarg_
e3b8966e 214#define _CPERLarg
1d583055
GS		 215#define PERL_OBJECT_THIS
216#define _PERL_OBJECT_THIS
217#define PERL_OBJECT_THIS_
312caa8e 218#define CALL_FPTR(fptr) (*fptr)
ef69c8fc 219#define MEMBER_TO_FPTR(name) name
16c91539 220#endif /* !PERL_CORE */
76e3520e 221
16c91539 222#define CALLRUNOPS PL_runops
f9f4320a 223
3ab4a224 224#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 225
16c91539 226#define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
f9f4320a 227#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
16c91539 228 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
f9f4320a
YO		 229 (strbeg),(minend),(screamer),(data),(flags))
230#define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \
16c91539 231 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strpos), \
f9f4320a
YO		 232 (strend),(flags),(data))
233#define CALLREG_INTUIT_STRING(prog) \
16c91539 234 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
f8149455 235
f8149455
YO		 236#define CALLREGFREE(prog) \
237 Perl_pregfree(aTHX_ (prog))
238
239#define CALLREGFREE_PVT(prog) \
16c91539 240 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
f8149455 241
2fdbfb4d 242#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
16c91539 243 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
93b32b6d 244
2fdbfb4d 245#define CALLREG_NUMBUF_STORE(rx,paren,value) \
16c91539 246 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
2fdbfb4d
AB		 247
248#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
16c91539 249 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
2fdbfb4d 250
192b9cd1 251#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
16c91539 252 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
192b9cd1
AB		 253
254#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
16c91539 255 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
192b9cd1
AB		 256
257#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
16c91539 258 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB		 259
260#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
16c91539 261 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB		 262
263#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
16c91539 264 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB		 265
266#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
16c91539 267 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB		 268
269#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
16c91539 270 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB		 271
272#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
16c91539 273 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
AB		 274
275#define CALLREG_NAMED_BUFF_COUNT(rx) \
16c91539 276 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
192b9cd1
AB		 277
278#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
16c91539 279 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 280
49d7dfbc 281#define CALLREG_PACKAGE(rx) \
16c91539 282 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
93b32b6d 283
00f254e2 284#if defined(USE_ITHREADS)
f9f4320a 285#define CALLREGDUPE(prog,param) \
f8149455
YO		 286 Perl_re_dup(aTHX_ (prog),(param))
287
288#define CALLREGDUPE_PVT(prog,param) \
16c91539 289 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
00f254e2 290 : (REGEXP *)NULL)
f9f4320a 291#endif
14dd3ad8 292
a20207d7 293
bcdf7404 294
a20207d7
YO		 295
296
5ba4cab2
SH		 297/*
298 * Because of backward compatibility reasons the PERL_UNUSED_DECL
299 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
300 *
301 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 302 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 303 * marking unused variables (they need e.g. a #pragma) and therefore
304 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
305 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
306 *
307 */
1266ad8c 308
9969cdde 309#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 310# ifdef __cplusplus
5ba4cab2 311# define PERL_UNUSED_DECL
5b2bd0a5 312# else
5ba4cab2 313# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 314# endif
315#endif
44dbb695 316
5b2bd0a5 317#ifndef PERL_UNUSED_DECL
34659ad4 318# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 319# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 320# else
5ba4cab2 321# define PERL_UNUSED_DECL
b79c357a 322# endif
5b2bd0a5 323#endif
00f254e2 324
349b520e
DM		 325/* gcc -Wall:
326 * for silencing unused variables that are actually used most of the time,
a0288114 327 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 328 */
53c1dcc0 329#ifndef PERL_UNUSED_ARG
c99ffe5e 330# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 331# include <note.h>
53c1dcc0 332# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 333# else
53c1dcc0 334# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 335# endif
336#endif
53c1dcc0
AL		 337#ifndef PERL_UNUSED_VAR
338# define PERL_UNUSED_VAR(x) ((void)x)
339#endif
ad73156c 340
96a5add6
AL		 341#ifdef USE_ITHREADS
342# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
343#else
344# define PERL_UNUSED_CONTEXT
345#endif
346
6f207bd3 347#define NOOP /*EMPTY*/(void)0
bafdc25d
NC		 348/* cea2e8a9dd23747f accidentally lost the comment originally from the first
349 check in of thread.h, explaining why we need dNOOP at all: */
350/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
351/* Declaring a *function*, instead of a variable, ensures that we don't rely
352 on being able to suppress "unused" warnings. */
7db66e12
CB		 353#ifdef __cplusplus
354#define dNOOP (void)0
355#else
64a8239e 356#define dNOOP extern int Perl___notused(void)
7db66e12 357#endif
71be2cbc 358
0cb96387 359#ifndef pTHX
e8dda941
JD		 360/* Don't bother defining tTHX and sTHX; using them outside
361 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
362 */
0cb96387
GS		 363# define pTHX void
364# define pTHX_
0cb96387
GS		 365# define aTHX
366# define aTHX_
0cb96387
GS		 367# define dTHXa(a) dNOOP
368# define dTHX dNOOP
894356b3
GS		 369# define pTHX_1 1
370# define pTHX_2 2
371# define pTHX_3 3
372# define pTHX_4 4
3d42dc86
RGS		 373# define pTHX_5 5
374# define pTHX_6 6
a3b680e6
AL		 375# define pTHX_7 7
376# define pTHX_8 8
377# define pTHX_9 9
0cb96387
GS		 378#endif
379
27da23d5
JH		 380#ifndef dVAR
381# define dVAR dNOOP
382#endif
383
b4f7f263
GS		 384/* these are only defined for compatibility; should not be used internally */
385#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 386# define pTHXo pTHX
387# define pTHXo_ pTHX_
0cb96387
GS		 388# define aTHXo aTHX
389# define aTHXo_ aTHX_
c5be433b 390# define dTHXo dTHX
71d280e3 391# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 392#endif
393
394#ifndef pTHXx
395# define pTHXx register PerlInterpreter *my_perl
396# define pTHXx_ pTHXx,
0cb96387
GS		 397# define aTHXx my_perl
398# define aTHXx_ aTHXx,
c5be433b 399# define dTHXx dTHX
22c35a8c 400#endif
71be2cbc 401
1de7c2ac
GS		 402/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
403 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
404 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
405#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 406# ifdef PERL_GLOBAL_STRUCT_PRIVATE
407# define dTHXs dVAR; dTHX
408# else
409# define dTHXs dTHX
410# endif
1de7c2ac 411#else
27da23d5
JH		 412# ifdef PERL_GLOBAL_STRUCT_PRIVATE
413# define dTHXs dVAR
414# else
415# define dTHXs dNOOP
416# endif
1de7c2ac
GS		 417#endif
418
27da23d5
JH		 419/* Some platforms require marking function declarations
420 * for them to be exportable. Used in perlio.h, proto.h
421 * is handled either by the makedef.pl or by defining the
422 * PERL_CALLCONV to be something special. See also the
423 * definition of XS() in XSUB.h. */
424#ifndef PERL_EXPORT_C
a0c21aa1
JH		 425# ifdef __cplusplus
426# define PERL_EXPORT_C extern "C"
427# else
428# define PERL_EXPORT_C extern
429# endif
27da23d5
JH		 430#endif
431#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 432# ifdef __cplusplus
433# define PERL_XS_EXPORT_C extern "C"
434# else
435# define PERL_XS_EXPORT_C
436# endif
27da23d5
JH		 437#endif
438
462e5cf6
MB		 439#ifdef OP_IN_REGISTER
440# ifdef __GNUC__
441# define stringify_immed(s) #s
442# define stringify(s) stringify_immed(s)
d1ca3daa 443register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 444# endif
445#endif
446
e5afc1ae 447/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 448 * g++ allows them but seems to have problems with them
70aab261
RB		 449 * (insane errors ensue).
450 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
451 */
452#if defined(PERL_GCC_PEDANTIC) || \
453 (defined(__GNUC__) && defined(__cplusplus) && \
454 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 455# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 456# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
457# endif
5dc8bdac
JH		 458#endif
459
5b692037
JH		 460#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
461# ifndef PERL_USE_GCC_BRACE_GROUPS
462# define PERL_USE_GCC_BRACE_GROUPS
463# endif
464#endif
465
728e2803 466/*
467 * STMT_START { statements; } STMT_END;
468 * can be used as a single statement, as in
469 * if (x) STMT_START { ... } STMT_END; else ...
470 *
471 * Trying to select a version that gives no warnings...
472 */
473#if !(defined(STMT_START) && defined(STMT_END))
5b692037 474# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 475# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 476# define STMT_END )
477# else
478 /* Now which other defined()s do we need here ??? */
93189314 479# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 480# define STMT_START if (1)
481# define STMT_END else (void)0
482# else
483# define STMT_START do
484# define STMT_END while (0)
485# endif
486# endif
487#endif
488
d6f9c181
JH		 489#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
490# define BYTEORDER 0x1234
79072805
LW		 491#endif
492
493/* Overall memory policy? */
494#ifndef CONSERVATIVE
495# define LIBERAL 1
496#endif
497
8ada0baa
JH		 498#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
499#define ASCIIish
500#else
501#undef ASCIIish
502#endif
503
79072805
LW		 504/*
505 * The following contortions are brought to you on behalf of all the
506 * standards, semi-standards, de facto standards, not-so-de-facto standards
507 * of the world, as well as all the other botches anyone ever thought of.
508 * The basic theory is that if we work hard enough here, the rest of the
509 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
510 */
ac58e20f 511
ee0007ab 512/* define this once if either system, instead of cluttering up the src */
7c458fae 513#if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 514#define DOSISH 1
515#endif
516
fb38d079 517#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 518# define STANDARD_C 1
519#endif
520
9969cdde 521#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 522# define DONT_DECLARE_STD 1
523#endif
524
352d5a3a 525#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 526# define VOL volatile
663a0e37 527#else
79072805 528# define VOL
663a0e37
LW		 529#endif
530
3280af22
NIS		 531#define TAINT (PL_tainted = TRUE)
532#define TAINT_NOT (PL_tainted = FALSE)
533#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
534#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 535#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 536
20be6587
DM		 537/* flags used internally only within pp_subst and pp_substcont */
538#ifdef PERL_CORE
539# define SUBST_TAINT_STR 1 /* string tainted */
540# define SUBST_TAINT_PAT 2 /* pattern tainted */
541# define SUBST_TAINT_REPL 4 /* replacement tainted */
542# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
543# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
544#endif
545
d460ef45 546/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 547 defines move there? If so, I could simplify this a lot. --AD 9/96.
548*/
549/* Process group stuff changed from traditional BSD to POSIX.
550 perlfunc.pod documents the traditional BSD-style syntax, so we'll
551 try to preserve that, if possible.
552*/
553#ifdef HAS_SETPGID
554# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 555#else
a6e633de 556# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
557# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
558# else
559# ifdef HAS_SETPGRP2 /* DG/UX */
560# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
561# endif
562# endif
563#endif
564#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
565# define HAS_SETPGRP /* Well, effectively it does . . . */
566#endif
567
568/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
569 our life easier :-) so we'll try it.
570*/
571#ifdef HAS_GETPGID
572# define BSD_GETPGRP(pid) getpgid((pid))
573#else
574# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
575# define BSD_GETPGRP(pid) getpgrp((pid))
576# else
577# ifdef HAS_GETPGRP2 /* DG/UX */
578# define BSD_GETPGRP(pid) getpgrp2((pid))
579# endif
580# endif
581#endif
582#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
583# define HAS_GETPGRP /* Well, effectively it does . . . */
584#endif
585
d460ef45 586/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 587 have different behaviors, but perl.h used to define USE_BSDPGRP
588 (prior to 5.003_05) so some extension might depend on it.
589*/
590#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
591# ifndef USE_BSDPGRP
592# define USE_BSDPGRP
593# endif
663a0e37
LW		 594#endif
595
486ec47a 596/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH		 597 pthread.h must be included before all other header files.
598*/
3db8f154 599#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 600# include <pthread.h>
601#endif
602
760ac839
LW		 603#ifndef _TYPES_ /* If types.h defines this it's easy. */
604# ifndef major /* Does everyone's types.h define this? */
605# include <sys/types.h>
c07a80fd 606# endif
663a0e37
LW		 607#endif
608
760ac839
LW		 609#ifdef __cplusplus
610# ifndef I_STDARG
611# define I_STDARG 1
612# endif
613#endif
614
615#ifdef I_STDARG
616# include <stdarg.h>
617#else
618# ifdef I_VARARGS
619# include <varargs.h>
620# endif
621#endif
622
4633a7c4 623#ifdef USE_NEXT_CTYPE
0c30d9ec 624
092bebab
JH		 625#if NX_CURRENT_COMPILER_RELEASE >= 500
626# include <bsd/ctypes.h>
627#else
628# if NX_CURRENT_COMPILER_RELEASE >= 400
629# include <objc/NXCType.h>
630# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
631# include <appkit/NXCType.h>
632# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
633#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 634
635#else /* !USE_NEXT_CTYPE */
fe14fcc3 636#include <ctype.h>
0c30d9ec 637#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 638
639#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
640#undef METHOD
a0d0e21e
LW		 641#endif
642
12ae5dfc
JH		 643#ifdef PERL_MICRO
644# define NO_LOCALE
645#endif
646
4633a7c4 647#ifdef I_LOCALE
36477c24 648# include <locale.h>
4633a7c4
LW		 649#endif
650
36477c24 651#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
652# define USE_LOCALE
653# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
654 && defined(HAS_STRXFRM)
655# define USE_LOCALE_COLLATE
656# endif
657# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
658# define USE_LOCALE_CTYPE
659# endif
660# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
661# define USE_LOCALE_NUMERIC
662# endif
663#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 664
fe14fcc3 665#include <setjmp.h>
79072805 666
a0d0e21e 667#ifdef I_SYS_PARAM
79072805
LW		 668# ifdef PARAM_NEEDS_TYPES
669# include <sys/types.h>
670# endif
671# include <sys/param.h>
352d5a3a 672#endif
79072805 673
79072805 674/* Use all the "standard" definitions? */
a0d0e21e 675#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 676# include <stdlib.h>
ff68c719 677#endif
03a14243 678
3f270f98
JH		 679/* If this causes problems, set i_unistd=undef in the hint file. */
680#ifdef I_UNISTD
681# include <unistd.h>
682#endif
683
de8ca8af
NT		 684/* for WCOREDUMP */
685#ifdef I_SYS_WAIT
686# include <sys/wait.h>
687#endif
688
9969cdde 689#ifdef __SYMBIAN32__
27da23d5
JH		 690# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
691#endif
692
7114a2d2 693#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 694EXTERN_C int syscall(int, ...);
2ef53570
JH		 695#endif
696
7114a2d2 697#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 698EXTERN_C int usleep(unsigned int);
2ef53570
JH		 699#endif
700
9c12f1e5
RGS		 701/* Funky places that do not have socket stuff. */
702#if defined(__LIBCATAMOUNT__)
703# define MYSWAP
704#endif
705
9a34ef1d
GS		 706#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
707# define MYSWAP
708#endif
709
1109a392
MHM		 710#ifdef PERL_CORE
711
712/* macros for correct constant construction */
713# if INTSIZE >= 2
714# define U16_CONST(x) ((U16)x##U)
715# else
716# define U16_CONST(x) ((U16)x##UL)
717# endif
718
719# if INTSIZE >= 4
720# define U32_CONST(x) ((U32)x##U)
721# else
722# define U32_CONST(x) ((U32)x##UL)
723# endif
724
725# ifdef HAS_QUAD
726# if INTSIZE >= 8
727# define U64_CONST(x) ((U64)x##U)
728# elif LONGSIZE >= 8
729# define U64_CONST(x) ((U64)x##UL)
730# elif QUADKIND == QUAD_IS_LONG_LONG
731# define U64_CONST(x) ((U64)x##ULL)
52865553
SH		 732# elif QUADKIND == QUAD_IS___INT64
733# define U64_CONST(x) ((U64)x##UI64)
1109a392
MHM		 734# else /* best guess we can make */
735# define U64_CONST(x) ((U64)x##UL)
736# endif
737# endif
738
739/* byte-swapping functions for big-/little-endian conversion */
740# define _swab_16_(x) ((U16)( \
741 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
742 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
743
744# define _swab_32_(x) ((U32)( \
745 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
746 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
747 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
748 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
749
750# ifdef HAS_QUAD
751# define _swab_64_(x) ((U64)( \
752 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
753 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
754 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
755 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
756 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
757 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
758 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
759 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
760# endif
761
762/*----------------------------------------------------------------------------*/
763# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
764/*----------------------------------------------------------------------------*/
765# define my_htole16(x) (x)
766# define my_letoh16(x) (x)
767# define my_htole32(x) (x)
768# define my_letoh32(x) (x)
769# define my_htobe16(x) _swab_16_(x)
770# define my_betoh16(x) _swab_16_(x)
771# define my_htobe32(x) _swab_32_(x)
772# define my_betoh32(x) _swab_32_(x)
773# ifdef HAS_QUAD
774# define my_htole64(x) (x)
775# define my_letoh64(x) (x)
776# define my_htobe64(x) _swab_64_(x)
777# define my_betoh64(x) _swab_64_(x)
778# endif
779# define my_htoles(x) (x)
780# define my_letohs(x) (x)
781# define my_htolei(x) (x)
782# define my_letohi(x) (x)
783# define my_htolel(x) (x)
784# define my_letohl(x) (x)
785# if SHORTSIZE == 1
786# define my_htobes(x) (x)
787# define my_betohs(x) (x)
788# elif SHORTSIZE == 2
789# define my_htobes(x) _swab_16_(x)
790# define my_betohs(x) _swab_16_(x)
791# elif SHORTSIZE == 4
792# define my_htobes(x) _swab_32_(x)
793# define my_betohs(x) _swab_32_(x)
794# elif SHORTSIZE == 8
795# define my_htobes(x) _swab_64_(x)
796# define my_betohs(x) _swab_64_(x)
797# else
798# define PERL_NEED_MY_HTOBES
799# define PERL_NEED_MY_BETOHS
800# endif
801# if INTSIZE == 1
802# define my_htobei(x) (x)
803# define my_betohi(x) (x)
804# elif INTSIZE == 2
805# define my_htobei(x) _swab_16_(x)
806# define my_betohi(x) _swab_16_(x)
807# elif INTSIZE == 4
808# define my_htobei(x) _swab_32_(x)
809# define my_betohi(x) _swab_32_(x)
810# elif INTSIZE == 8
811# define my_htobei(x) _swab_64_(x)
812# define my_betohi(x) _swab_64_(x)
813# else
814# define PERL_NEED_MY_HTOBEI
815# define PERL_NEED_MY_BETOHI
816# endif
817# if LONGSIZE == 1
818# define my_htobel(x) (x)
819# define my_betohl(x) (x)
820# elif LONGSIZE == 2
821# define my_htobel(x) _swab_16_(x)
822# define my_betohl(x) _swab_16_(x)
823# elif LONGSIZE == 4
824# define my_htobel(x) _swab_32_(x)
825# define my_betohl(x) _swab_32_(x)
826# elif LONGSIZE == 8
827# define my_htobel(x) _swab_64_(x)
828# define my_betohl(x) _swab_64_(x)
829# else
830# define PERL_NEED_MY_HTOBEL
831# define PERL_NEED_MY_BETOHL
832# endif
833# define my_htolen(p,n) NOOP
834# define my_letohn(p,n) NOOP
835# define my_htoben(p,n) my_swabn(p,n)
836# define my_betohn(p,n) my_swabn(p,n)
837/*----------------------------------------------------------------------------*/
838# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
839/*----------------------------------------------------------------------------*/
840# define my_htobe16(x) (x)
841# define my_betoh16(x) (x)
842# define my_htobe32(x) (x)
843# define my_betoh32(x) (x)
844# define my_htole16(x) _swab_16_(x)
845# define my_letoh16(x) _swab_16_(x)
846# define my_htole32(x) _swab_32_(x)
847# define my_letoh32(x) _swab_32_(x)
848# ifdef HAS_QUAD
849# define my_htobe64(x) (x)
850# define my_betoh64(x) (x)
851# define my_htole64(x) _swab_64_(x)
852# define my_letoh64(x) _swab_64_(x)
853# endif
854# define my_htobes(x) (x)
855# define my_betohs(x) (x)
856# define my_htobei(x) (x)
857# define my_betohi(x) (x)
858# define my_htobel(x) (x)
859# define my_betohl(x) (x)
860# if SHORTSIZE == 1
861# define my_htoles(x) (x)
862# define my_letohs(x) (x)
863# elif SHORTSIZE == 2
864# define my_htoles(x) _swab_16_(x)
865# define my_letohs(x) _swab_16_(x)
866# elif SHORTSIZE == 4
867# define my_htoles(x) _swab_32_(x)
868# define my_letohs(x) _swab_32_(x)
869# elif SHORTSIZE == 8
870# define my_htoles(x) _swab_64_(x)
871# define my_letohs(x) _swab_64_(x)
872# else
873# define PERL_NEED_MY_HTOLES
874# define PERL_NEED_MY_LETOHS
875# endif
876# if INTSIZE == 1
877# define my_htolei(x) (x)
878# define my_letohi(x) (x)
879# elif INTSIZE == 2
880# define my_htolei(x) _swab_16_(x)
881# define my_letohi(x) _swab_16_(x)
882# elif INTSIZE == 4
883# define my_htolei(x) _swab_32_(x)
884# define my_letohi(x) _swab_32_(x)
885# elif INTSIZE == 8
886# define my_htolei(x) _swab_64_(x)
887# define my_letohi(x) _swab_64_(x)
888# else
889# define PERL_NEED_MY_HTOLEI
890# define PERL_NEED_MY_LETOHI
891# endif
892# if LONGSIZE == 1
893# define my_htolel(x) (x)
894# define my_letohl(x) (x)
895# elif LONGSIZE == 2
896# define my_htolel(x) _swab_16_(x)
897# define my_letohl(x) _swab_16_(x)
898# elif LONGSIZE == 4
899# define my_htolel(x) _swab_32_(x)
900# define my_letohl(x) _swab_32_(x)
901# elif LONGSIZE == 8
902# define my_htolel(x) _swab_64_(x)
903# define my_letohl(x) _swab_64_(x)
904# else
905# define PERL_NEED_MY_HTOLEL
906# define PERL_NEED_MY_LETOHL
907# endif
908# define my_htolen(p,n) my_swabn(p,n)
909# define my_letohn(p,n) my_swabn(p,n)
910# define my_htoben(p,n) NOOP
911# define my_betohn(p,n) NOOP
912/*----------------------------------------------------------------------------*/
913# else /* all other byte-orders */
914/*----------------------------------------------------------------------------*/
915# define PERL_NEED_MY_HTOLE16
916# define PERL_NEED_MY_LETOH16
917# define PERL_NEED_MY_HTOBE16
918# define PERL_NEED_MY_BETOH16
919# define PERL_NEED_MY_HTOLE32
920# define PERL_NEED_MY_LETOH32
921# define PERL_NEED_MY_HTOBE32
922# define PERL_NEED_MY_BETOH32
923# ifdef HAS_QUAD
924# define PERL_NEED_MY_HTOLE64
925# define PERL_NEED_MY_LETOH64
926# define PERL_NEED_MY_HTOBE64
927# define PERL_NEED_MY_BETOH64
928# endif
929# define PERL_NEED_MY_HTOLES
930# define PERL_NEED_MY_LETOHS
931# define PERL_NEED_MY_HTOBES
932# define PERL_NEED_MY_BETOHS
933# define PERL_NEED_MY_HTOLEI
934# define PERL_NEED_MY_LETOHI
935# define PERL_NEED_MY_HTOBEI
936# define PERL_NEED_MY_BETOHI
937# define PERL_NEED_MY_HTOLEL
938# define PERL_NEED_MY_LETOHL
939# define PERL_NEED_MY_HTOBEL
940# define PERL_NEED_MY_BETOHL
941/*----------------------------------------------------------------------------*/
942# endif /* end of byte-order macros */
943/*----------------------------------------------------------------------------*/
944
9c17f24a
NC		 945/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
946 at least on FreeBSD. YMMV, so experiment. */
947#ifndef PERL_ARENA_SIZE
948#define PERL_ARENA_SIZE 4080
949#endif
950
ccb2c8b8 951/* Maximum level of recursion */
2b9dff67
RGS		 952#ifndef PERL_SUB_DEPTH_WARN
953#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 954#endif
955
1109a392
MHM		 956#endif /* PERL_CORE */
957
bdf3085f
NC		 958/* We no longer default to creating a new SV for GvSV.
959 Do this before embed. */
960#ifndef PERL_CREATE_GVSV
7459f06b
NC		 961# ifndef PERL_DONT_CREATE_GVSV
962# define PERL_DONT_CREATE_GVSV
963# endif
bdf3085f
NC		 964#endif
965
ca0c25f6
NC		 966#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
967#define PERL_USES_PL_PIDSTATUS
968#endif
969
e37778c2 970#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__)
a62746fa
RGS		 971#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
972#endif
973
c31fac66
GS		 974#define MEM_SIZE Size_t
975
1936d2a7
NC		 976/* Round all values passed to malloc up, by default to a multiple of
977 sizeof(size_t)
978*/
979#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
980#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
981#endif
982
f1200559
WH		 983/* sv_grow() will expand strings by at least a certain percentage of
984 the previously *used* length to avoid excessive calls to realloc().
985 The default is 25% of the current length.
986*/
987#ifndef PERL_STRLEN_EXPAND_SHIFT
988# define PERL_STRLEN_EXPAND_SHIFT 2
989#endif
990
51371543
GS		 991#if defined(STANDARD_C) && defined(I_STDDEF)
992# include <stddef.h>
993# define STRUCT_OFFSET(s,m) offsetof(s,m)
994#else
995# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
996#endif
997
9969cdde 998#ifndef __SYMBIAN32__
27da23d5
JH		 999# if defined(I_STRING) || defined(__cplusplus)
1000# include <string.h>
1001# else
1002# include <strings.h>
1003# endif
51371543
GS		 1004#endif
1005
55497cff 1006/* This comes after <stdlib.h> so we don't try to change the standard
1007 * library prototypes; we'll use our own in proto.h instead. */
03a14243 1008
4633a7c4 1009#ifdef MYMALLOC
86058a2d 1010# ifdef PERL_POLLUTE_MALLOC
ee13e175 1011# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 1012# define Perl_malloc malloc
1013# define Perl_calloc calloc
1014# define Perl_realloc realloc
1015# define Perl_mfree free
ee13e175 1016# endif
86058a2d
GS		 1017# else
1018# define EMBEDMYMALLOC /* for compatibility */
1019# endif
827e134a 1020
651b9576
GS		 1021# define safemalloc Perl_malloc
1022# define safecalloc Perl_calloc
1023# define saferealloc Perl_realloc
1024# define safefree Perl_mfree
22f7c9c9
JH		 1025# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1026 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1027 code; \
1028 } STMT_END
1029# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1030 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1031# define panic_write2(s) write(2, s, strlen(s))
1032# define CHECK_MALLOC_TAINT(newval) \
1033 CHECK_MALLOC_TOO_LATE_FOR_( \
1034 if (newval) { \
1035 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1036 exit(1); })
22f7c9c9 1037# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1038 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 1039 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1040 }} STMT_END;
f2517201
GS		 1041#else /* MYMALLOC */
1042# define safemalloc safesysmalloc
1043# define safecalloc safesyscalloc
1044# define saferealloc safesysrealloc
1045# define safefree safesysfree
22f7c9c9
JH		 1046# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1047# define CHECK_MALLOC_TAINT(newval) ((void)0)
1048# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1049#endif /* MYMALLOC */
4633a7c4 1050
fe13d51d 1051/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 1052#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		 1053#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1054#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1055#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1056
a0d0e21e
LW		 1057#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1058#define strchr index
1059#define strrchr rindex
1060#endif
1061
16d20bd9
AD		 1062#ifdef I_MEMORY
1063# include <memory.h>
1064#endif
1065
fe14fcc3 1066#ifdef HAS_MEMCPY
85e6fe83 1067# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1068# ifndef memcpy
20ce7b12 1069 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 1070# endif
1071# endif
1072#else
1073# ifndef memcpy
1074# ifdef HAS_BCOPY
1075# define memcpy(d,s,l) bcopy(s,d,l)
1076# else
1077# define memcpy(d,s,l) my_bcopy(s,d,l)
1078# endif
1079# endif
1080#endif /* HAS_MEMCPY */
fe14fcc3 1081
ee0007ab 1082#ifdef HAS_MEMSET
85e6fe83 1083# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1084# ifndef memset
20ce7b12 1085 extern char *memset (char*, int, int);
ee0007ab
LW		 1086# endif
1087# endif
ee0007ab 1088#else
12ae5dfc 1089# undef memset
fc36a67e 1090# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1091#endif /* HAS_MEMSET */
1092
85e6fe83 1093#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1094# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1095# define memmove(d,s,l) bcopy(s,d,l)
1096# else
2304df62 1097# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1098# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1099# else
79072805 1100# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1101# endif
352d5a3a 1102# endif
d9d8d8de 1103#endif
ee0007ab 1104
36477c24 1105#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1106# undef HAS_MEMCMP
1107#endif
1108
1109#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1110# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1111# ifndef memcmp
20ce7b12 1112 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1113# endif
1114# endif
36477c24 1115# ifdef BUGGY_MSC
7e4e8c89 1116# pragma function(memcmp)
36477c24 1117# endif
ee0007ab
LW		 1118#else
1119# ifndef memcmp
ecfc5424 1120# define memcmp my_memcmp
352d5a3a 1121# endif
36477c24 1122#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1123
fc36a67e 1124#ifndef memzero
c635e13b 1125# ifdef HAS_MEMSET
1126# define memzero(d,l) memset(d,0,l)
79072805 1127# else
c635e13b 1128# ifdef HAS_BZERO
1129# define memzero(d,l) bzero(d,l)
79072805 1130# else
fc36a67e 1131# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1132# endif
1133# endif
d9d8d8de 1134#endif
378cc40b 1135
2f42fcb0 1136#ifndef PERL_MICRO
0f27ced1
JH		 1137#ifndef memchr
1138# ifndef HAS_MEMCHR
1139# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1140# endif
1141#endif
2f42fcb0 1142#endif
0f27ced1 1143
36477c24 1144#ifndef HAS_BCMP
1145# ifndef bcmp
1146# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1147# endif
36477c24 1148#endif /* !HAS_BCMP */
378cc40b 1149
ae986130 1150#ifdef I_NETINET_IN
79072805 1151# include <netinet/in.h>
ae986130
LW		 1152#endif
1153
28e8609d
JH		 1154#ifdef I_ARPA_INET
1155# include <arpa/inet.h>
1156#endif
1157
84902520
TB		 1158#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1159/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1160 * (the neo-BSD seem to do this). */
1161# undef SF_APPEND
1162#endif
1163
1aef975c 1164#ifdef I_SYS_STAT
84902520 1165# include <sys/stat.h>
1aef975c 1166#endif
79072805 1167
287a962e
JD		 1168/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1169 This definition should ideally go into win32/win32.h, but S_IFIFO is
1170 used later here in perl.h before win32/win32.h is being included. */
1171#if !defined(S_IFIFO) && defined(_S_IFIFO)
1172# define S_IFIFO _S_IFIFO
1173#endif
1174
a0d0e21e
LW		 1175/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1176 like UTekV) are broken, sometimes giving false positives. Undefine
1177 them here and let the code below set them to proper values.
1178
1179 The ghs macro stands for GreenHills Software C-1.8.5 which
1180 is the C compiler for sysV88 and the various derivatives.
1181 This header file bug is corrected in gcc-2.5.8 and later versions.
1182 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1183
1184#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1185# undef S_ISDIR
1186# undef S_ISCHR
1187# undef S_ISBLK
1188# undef S_ISREG
1189# undef S_ISFIFO
1190# undef S_ISLNK
ee0007ab 1191#endif
135863df 1192
663a0e37
LW		 1193#ifdef I_TIME
1194# include <time.h>
ffed7fef 1195#endif
663a0e37 1196
fe14fcc3 1197#ifdef I_SYS_TIME
85e6fe83 1198# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1199# define KERNEL
1200# endif
1201# include <sys/time.h>
85e6fe83 1202# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1203# undef KERNEL
1204# endif
a687059c 1205#endif
135863df 1206
55497cff 1207#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1208# include <sys/times.h>
d9d8d8de 1209#endif
8d063cd8 1210
fe14fcc3 1211#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1212# undef HAS_STRERROR
663a0e37
LW		 1213#endif
1214
1215#include <errno.h>
1e743fda 1216
acfe0abc 1217#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1218# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1219#endif
1220
8cfab5ff 1221/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1222 * This is important for using IPv6.
8cfab5ff
JH		 1223 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1224 * a bad idea since it breaks send() and recv(). */
1225#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1226# define _SOCKADDR_LEN
1227#endif
1228
da70cfc6 1229#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH		 1230# include <sys/socket.h>
1231# if defined(USE_SOCKS) && defined(I_SOCKS)
1232# if !defined(INCLUDE_PROTOTYPES)
1233# define INCLUDE_PROTOTYPES /* for <socks.h> */
1234# define PERL_SOCKS_NEED_PROTOTYPES
1235# endif
1236# include <socks.h>
1237# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1238# undef INCLUDE_PROTOTYPES
1239# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1240# endif
d460ef45 1241# endif
1e743fda 1242# ifdef I_NETDB
2986a63f
JH		 1243# ifdef NETWARE
1244# include<stdio.h>
1245# endif
1e743fda
JH		 1246# include <netdb.h>
1247# endif
1248# ifndef ENOTSOCK
1249# ifdef I_NET_ERRNO
1250# include <net/errno.h>
1251# endif
1252# endif
1253#endif
1254
fa0a29af 1255/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1256 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1257 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1258#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1259# if defined(__THROW) && defined(__GLIBC__)
1260int sockatmark(int) __THROW;
1261# else
2ef53570 1262int sockatmark(int);
29820b6d 1263# endif
2ef53570
JH		 1264#endif
1265
7e827271 1266#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		 1267EXTERN_C int fchdir(int);
1268EXTERN_C int flock(int, int);
1269EXTERN_C int fseeko(FILE *, off_t, int);
1270EXTERN_C off_t ftello(FILE *);
1271#endif
1272
7e827271 1273#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1274EXTERN_C char *crypt(const char *, const char *);
7e827271 1275EXTERN_C char **environ;
1ccb7c8d
JH		 1276#endif
1277
83a6ff2e 1278#if defined(__cplusplus)
944c4fda 1279# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1280EXTERN_C char **environ;
83a6ff2e 1281# elif defined(__CYGWIN__)
667e2948
SP		 1282EXTERN_C char *crypt(const char *, const char *);
1283#endif
83a6ff2e 1284#endif
667e2948 1285
1e743fda
JH		 1286#ifdef SETERRNO
1287# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1288#endif
f86702cc 1289
1290#ifdef VMS
1291# define SETERRNO(errcode,vmserrcode) \
1292 STMT_START { \
1293 set_errno(errcode); \
1294 set_vaxc_errno(vmserrcode); \
1295 } STMT_END
4ee39169
CS		 1296# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1297# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1298# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1299# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1300
93189314
JH		 1301# define LIB_INVARG LIB$_INVARG
1302# define RMS_DIR RMS$_DIR
1303# define RMS_FAC RMS$_FAC
1304# define RMS_FEX RMS$_FEX
1305# define RMS_FNF RMS$_FNF
1306# define RMS_IFI RMS$_IFI
1307# define RMS_ISI RMS$_ISI
1308# define RMS_PRV RMS$_PRV
1309# define SS_ACCVIO SS$_ACCVIO
1310# define SS_DEVOFFLINE SS$_DEVOFFLINE
1311# define SS_IVCHAN SS$_IVCHAN
1312# define SS_NORMAL SS$_NORMAL
748a9306 1313#else
aba27d88 1314# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS		 1315# define dSAVEDERRNO int saved_errno
1316# define dSAVE_ERRNO int saved_errno = errno
1317# define SAVE_ERRNO (saved_errno = errno)
1318# define RESTORE_ERRNO (errno = saved_errno)
1319
93189314
JH		 1320# define LIB_INVARG 0
1321# define RMS_DIR 0
1322# define RMS_FAC 0
1323# define RMS_FEX 0
1324# define RMS_FNF 0
1325# define RMS_IFI 0
1326# define RMS_ISI 0
1327# define RMS_PRV 0
1328# define SS_ACCVIO 0
1329# define SS_DEVOFFLINE 0
1330# define SS_IVCHAN 0
1331# define SS_NORMAL 0
748a9306 1332#endif
ed6116ce 1333
f5fa9033 1334#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC		 1335
1336#define CLEAR_ERRSV() STMT_START { \
1337 if (!GvSV(PL_errgv)) { \
1338 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1339 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1340 SvREFCNT_dec(GvSV(PL_errgv)); \
1341 GvSV(PL_errgv) = newSVpvs(""); \
1342 } else { \
1343 SV *const errsv = GvSV(PL_errgv); \
1344 sv_setpvs(errsv, ""); \
1345 if (SvMAGICAL(errsv)) { \
1346 mg_free(errsv); \
1347 } \
1348 SvPOK_only(errsv); \
1349 } \
1350 } STMT_END
1351
1352
414bf5ae
MHM		 1353#ifdef PERL_CORE
1354# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC		 1355# define DEFSV_set(sv) \
1356 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1357# define SAVE_DEFSV \
1358 ( \
1359 save_gp(PL_defgv, 0), \
1360 GvINTRO_off(PL_defgv), \
1361 SAVEGENERICSV(GvSV(PL_defgv)), \
1362 GvSV(PL_defgv) = NULL \
1363 )
414bf5ae
MHM		 1364#else
1365# define DEFSV GvSVn(PL_defgv)
55b5114f
FC		 1366# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1367# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1368#endif
38a03e6e 1369
98eae8f5
GS		 1370#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1371
55497cff 1372#ifndef errno
5ff3f7a4
GS		 1373 extern int errno; /* ANSI allows errno to be an lvalue expr.
1374 * For example in multithreaded environments
1375 * something like this might happen:
1376 * extern int *_errno(void);
1377 * #define errno (*_errno()) */
d9d8d8de 1378#endif
663a0e37 1379
2304df62 1380#ifdef HAS_STRERROR
2242159b 1381#ifndef DONT_DECLARE_STD
a0d0e21e 1382# ifdef VMS
20ce7b12 1383 char *strerror (int,...);
a0d0e21e 1384# else
20ce7b12 1385 char *strerror (int);
a0d0e21e 1386# endif
2242159b 1387#endif
2304df62
AD		 1388# ifndef Strerror
1389# define Strerror strerror
1390# endif
1391#else
1392# ifdef HAS_SYS_ERRLIST
79072805
LW		 1393 extern int sys_nerr;
1394 extern char *sys_errlist[];
2304df62
AD		 1395# ifndef Strerror
1396# define Strerror(e) \
79072805 1397 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1398# endif
79072805 1399# endif
35c8bce7 1400#endif
663a0e37 1401
2304df62 1402#ifdef I_SYS_IOCTL
79072805
LW		 1403# ifndef _IOCTL_
1404# include <sys/ioctl.h>
1405# endif
a687059c
LW		 1406#endif
1407
ee0007ab 1408#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1409# ifdef HAS_SOCKETPAIR
1410# undef HAS_SOCKETPAIR
1411# endif
2304df62
AD		 1412# ifdef I_NDBM
1413# undef I_NDBM
79072805 1414# endif
a687059c
LW		 1415#endif
1416
02fc2eee
NC		 1417#ifndef HAS_SOCKETPAIR
1418# ifdef HAS_SOCKET
1419# define socketpair Perl_my_socketpair
1420# endif
1421#endif
1422
a687059c 1423#if INTSIZE == 2
79072805
LW		 1424# define htoni htons
1425# define ntohi ntohs
a687059c 1426#else
79072805
LW		 1427# define htoni htonl
1428# define ntohi ntohl
a687059c
LW		 1429#endif
1430
a0d0e21e 1431/* Configure already sets Direntry_t */
35c8bce7 1432#if defined(I_DIRENT)
663a0e37 1433# include <dirent.h>
8f1f23e8
W		 1434 /* NeXT needs dirent + sys/dir.h */
1435# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1436# include <sys/dir.h>
1437# endif
ae986130 1438#else
fe14fcc3 1439# ifdef I_SYS_NDIR
79a0689e 1440# include <sys/ndir.h>
663a0e37 1441# else
fe14fcc3 1442# ifdef I_SYS_DIR
79a0689e
LW		 1443# ifdef hp9000s500
1444# include <ndir.h> /* may be wrong in the future */
1445# else
1446# include <sys/dir.h>
1447# endif
663a0e37
LW		 1448# endif
1449# endif
4633a7c4 1450#endif
a687059c 1451
12ae5dfc
JH		 1452#ifdef PERL_MICRO
1453# ifndef DIR
1454# define DIR void
1455# endif
1456#endif
1457
352d5a3a
LW		 1458#ifdef FPUTS_BOTCH
1459/* work around botch in SunOS 4.0.1 and 4.0.2 */
1460# ifndef fputs
79072805 1461# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1462# endif
1463#endif
1464
c623bd54
LW		 1465/*
1466 * The following gobbledygook brought to you on behalf of __STDC__.
1467 * (I could just use #ifndef __STDC__, but this is more bulletproof
1468 * in the face of half-implementations.)
1469 */
1470
7114a2d2 1471#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1472#include <sys/mode.h>
1473#endif
1474
c623bd54
LW		 1475#ifndef S_IFMT
1476# ifdef _S_IFMT
1477# define S_IFMT _S_IFMT
1478# else
1479# define S_IFMT 0170000
1480# endif
1481#endif
1482
1483#ifndef S_ISDIR
1484# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1485#endif
1486
1487#ifndef S_ISCHR
1488# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1489#endif
1490
1491#ifndef S_ISBLK
fe14fcc3
LW		 1492# ifdef S_IFBLK
1493# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1494# else
1495# define S_ISBLK(m) (0)
1496# endif
c623bd54
LW		 1497#endif
1498
1499#ifndef S_ISREG
1500# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1501#endif
1502
1503#ifndef S_ISFIFO
fe14fcc3
LW		 1504# ifdef S_IFIFO
1505# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1506# else
1507# define S_ISFIFO(m) (0)
1508# endif
c623bd54
LW		 1509#endif
1510
1511#ifndef S_ISLNK
1512# ifdef _S_ISLNK
1513# define S_ISLNK(m) _S_ISLNK(m)
1514# else
1515# ifdef _S_IFLNK
1516# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1517# else
1518# ifdef S_IFLNK
1519# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1520# else
1521# define S_ISLNK(m) (0)
1522# endif
1523# endif
1524# endif
1525#endif
1526
1527#ifndef S_ISSOCK
1528# ifdef _S_ISSOCK
1529# define S_ISSOCK(m) _S_ISSOCK(m)
1530# else
1531# ifdef _S_IFSOCK
1532# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1533# else
1534# ifdef S_IFSOCK
1535# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1536# else
1537# define S_ISSOCK(m) (0)
1538# endif
1539# endif
1540# endif
1541#endif
1542
1543#ifndef S_IRUSR
1544# ifdef S_IREAD
1545# define S_IRUSR S_IREAD
1546# define S_IWUSR S_IWRITE
1547# define S_IXUSR S_IEXEC
1548# else
1549# define S_IRUSR 0400
1550# define S_IWUSR 0200
1551# define S_IXUSR 0100
1552# endif
fac7cdfc
JS		 1553#endif
1554
1555#ifndef S_IRGRP
1556# ifdef S_IRUSR
1557# define S_IRGRP (S_IRUSR>>3)
1558# define S_IWGRP (S_IWUSR>>3)
1559# define S_IXGRP (S_IXUSR>>3)
1560# else
1561# define S_IRGRP 0040
1562# define S_IWGRP 0020
1563# define S_IXGRP 0010
1564# endif
1565#endif
1566
1567#ifndef S_IROTH
1568# ifdef S_IRUSR
1569# define S_IROTH (S_IRUSR>>6)
1570# define S_IWOTH (S_IWUSR>>6)
1571# define S_IXOTH (S_IXUSR>>6)
1572# else
1573# define S_IROTH 0040
1574# define S_IWOTH 0020
1575# define S_IXOTH 0010
1576# endif
c623bd54
LW		 1577#endif
1578
1579#ifndef S_ISUID
1580# define S_ISUID 04000
1581#endif
1582
1583#ifndef S_ISGID
1584# define S_ISGID 02000
1585#endif
1586
ca6e1c26
JH		 1587#ifndef S_IRWXU
1588# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1589#endif
ca6e1c26
JH		 1590
1591#ifndef S_IRWXG
1592# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1593#endif
ca6e1c26
JH		 1594
1595#ifndef S_IRWXO
1596# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1597#endif
ca6e1c26 1598
df00ff3b 1599/* BeOS 5.0 and Haiku R1 seem to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1600 * which would get included through <sys/file.h >, but that is 3000
1601 * lines in the future. --jhi */
1602
df00ff3b 1603#if !defined(S_IREAD) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1604# define S_IREAD S_IRUSR
1605#endif
1606
df00ff3b 1607#if !defined(S_IWRITE) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1608# define S_IWRITE S_IWUSR
1609#endif
1610
1611#ifndef S_IEXEC
1612# define S_IEXEC S_IXUSR
1613#endif
1614
79072805
LW		 1615#ifdef ff_next
1616# undef ff_next
352d5a3a
LW		 1617#endif
1618
a0d0e21e 1619#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1620# define SLOPPYDIVIDE
1621#endif
1622
748a9306
LW		 1623#ifdef UV
1624#undef UV
1625#endif
1626
c89df6bf
JH		 1627#ifdef SPRINTF_E_BUG
1628# define sprintf UTS_sprintf_wrap
1629#endif
1630
ce582cee
NC		 1631/* For the times when you want the return value of sprintf, and you want it
1632 to be the length. Can't have a thread variable passed in, because C89 has
1633 no varargs macros.
1634*/
1635#ifdef SPRINTF_RETURNS_STRLEN
1636# define my_sprintf sprintf
1637#else
1638# define my_sprintf Perl_my_sprintf
1639#endif
1640
5b692037
JH		 1641/*
1642 * If we have v?snprintf() and the C99 variadic macros, we can just
1643 * use just the v?snprintf(). It is nice to try to trap the buffer
1644 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1645 * gcc statement expressions, then use the function wrappers which try
1646 * to trap the overflow. If we can use the gcc statement expressions,
1647 * we can try that even with the version that uses the C99 variadic
1648 * macros.
5b692037
JH		 1649 */
1650
1208b3dd
JH		 1651/* Note that we do not check against snprintf()/vsnprintf() returning
1652 * negative values because that is non-standard behaviour and we use
1653 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1654 * that should be true only if the snprintf()/vsnprintf() are true
1655 * to the standard. */
1656
dfeee9b1 1657#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1658# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1659# 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 1660# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1661# else
1662# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1663# endif
1664#else
1665# define my_snprintf Perl_my_snprintf
1208b3dd 1666# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1667#endif
1668
dfeee9b1 1669#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1670# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1671# define my_vsnprintf(buffer, len, ...) ({ int __len__ = vsnprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (len)) Perl_croak_nocontext("panic: vsnprintf buffer overflow"); __len__; })
1208b3dd 1672# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1673# else
1674# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1675# endif
1676#else
1677# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1678# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1679#endif
d9fad198 1680
a6cc4119
SP		 1681#ifdef HAS_STRLCAT
1682# define my_strlcat strlcat
1683#else
1684# define my_strlcat Perl_my_strlcat
1685#endif
1686
1687#ifdef HAS_STRLCPY
1688# define my_strlcpy strlcpy
1689#else
1690# define my_strlcpy Perl_my_strlcpy
1691#endif
1692
c495e728
JH		 1693/* Configure gets this right but the UTS compiler gets it wrong.
1694 -- Hal Morris <hom00@utsglobal.com> */
1695#ifdef UTS
1696# undef UVTYPE
1697# define UVTYPE unsigned
1698#endif
1699
05f13f53 1700/*
27d4fb96 1701 The IV type is supposed to be long enough to hold any integral
1702 value or a pointer.
1703 --Andy Dougherty August 1996
1704*/
1705
a22e52b9
JH		 1706typedef IVTYPE IV;
1707typedef UVTYPE UV;
8175356b 1708
10cc9d2a 1709#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1710# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1711# define IV_MAX INT64_MAX
1712# define IV_MIN INT64_MIN
1713# define UV_MAX UINT64_MAX
cae7ae48
JH		 1714# ifndef UINT64_MIN
1715# define UINT64_MIN 0
1716# endif
5ff3f7a4
GS		 1717# define UV_MIN UINT64_MIN
1718# else
1719# define IV_MAX PERL_QUAD_MAX
1720# define IV_MIN PERL_QUAD_MIN
1721# define UV_MAX PERL_UQUAD_MAX
1722# define UV_MIN PERL_UQUAD_MIN
1723# endif
cf2093f6
JH		 1724# define IV_IS_QUAD
1725# define UV_IS_QUAD
79072805 1726#else
8175356b 1727# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1728# define IV_MAX INT32_MAX
1729# define IV_MIN INT32_MIN
716026f9
DL		 1730# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1731# define UV_MAX UINT32_MAX
1732# else
1733# define UV_MAX 4294967295U
1734# endif
cae7ae48
JH		 1735# ifndef UINT32_MIN
1736# define UINT32_MIN 0
1737# endif
5ff3f7a4
GS		 1738# define UV_MIN UINT32_MIN
1739# else
1740# define IV_MAX PERL_LONG_MAX
1741# define IV_MIN PERL_LONG_MIN
1742# define UV_MAX PERL_ULONG_MAX
1743# define UV_MIN PERL_ULONG_MIN
1744# endif
8175356b 1745# if IVSIZE == 8
cf2093f6
JH		 1746# define IV_IS_QUAD
1747# define UV_IS_QUAD
de1c2614
JH		 1748# ifndef HAS_QUAD
1749# define HAS_QUAD
1750# endif
cf2093f6
JH		 1751# else
1752# undef IV_IS_QUAD
1753# undef UV_IS_QUAD
de1c2614 1754# undef HAS_QUAD
cf2093f6 1755# endif
79072805 1756#endif
d7d93a81 1757
1109a392
MHM		 1758#ifndef HAS_QUAD
1759# undef PERL_NEED_MY_HTOLE64
1760# undef PERL_NEED_MY_LETOH64
1761# undef PERL_NEED_MY_HTOBE64
1762# undef PERL_NEED_MY_BETOH64
1763#endif
1764
6cde8aec 1765#if defined(uts) || defined(UTS)
11afe549
HM		 1766# undef UV_MAX
1767# define UV_MAX (4294967295u)
20601011
JH		 1768#endif
1769
cae7ae48 1770#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1771#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1772
28e5dec8 1773#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1774#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1775#endif
1776
d460ef45 1777/*
26bb67e2
JH		 1778 * The macros INT2PTR and NUM2PTR are (despite their names)
1779 * bi-directional: they will convert int/float to or from pointers.
1780 * However the conversion to int/float are named explicitly:
1781 * PTR2IV, PTR2UV, PTR2NV.
1782 *
1783 * For int conversions we do not need two casts if pointers are
1784 * the same size as IV and UV. Otherwise we need an explicit
1785 * cast (PTRV) to avoid compiler warnings.
1786 */
56431972
RB		 1787#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1788# define PTRV UV
1789# define INT2PTR(any,d) (any)(d)
1790#else
d460ef45 1791# if PTRSIZE == LONGSIZE
56431972 1792# define PTRV unsigned long
e91e3b10 1793# define PTR2ul(p) (unsigned long)(p)
42718184 1794# else
56431972 1795# define PTRV unsigned
42718184 1796# endif
e91e3b10
RB		 1797#endif
1798
1799#ifndef INT2PTR
56431972 1800# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1801#endif
e91e3b10
RB		 1802
1803#ifndef PTR2ul
1804# define PTR2ul(p) INT2PTR(unsigned long,p)
1805#endif
1806
56431972
RB		 1807#define NUM2PTR(any,d) (any)(PTRV)(d)
1808#define PTR2IV(p) INT2PTR(IV,p)
1809#define PTR2UV(p) INT2PTR(UV,p)
1810#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1811#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1812
8141890a
JH		 1813/* According to strict ANSI C89 one cannot freely cast between
1814 * data pointers and function (code) pointers. There are at least
1815 * two ways around this. One (used below) is to do two casts,
1816 * first the other pointer to an (unsigned) integer, and then
1817 * the integer to the other pointer. The other way would be
1818 * to use unions to "overlay" the pointers. For an example of
1819 * the latter technique, see union dirpu in struct xpvio in sv.h.
1820 * The only feasible use is probably temporarily storing
1821 * function pointers in a data pointer (such as a void pointer). */
1822
e91e3b10
RB		 1823#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1824#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1825
65202027 1826#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1827# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1828# define LONG_DOUBLE_EQUALS_DOUBLE
1829# endif
68d4903c 1830# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1831# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1832# endif
1833#endif
1834
2d4389e4
JH		 1835#ifdef OVR_DBL_DIG
1836/* Use an overridden DBL_DIG */
1837# ifdef DBL_DIG
1838# undef DBL_DIG
1839# endif
1840# define DBL_DIG OVR_DBL_DIG
1841#else
1842/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1843 default value for printing floating point numbers in Gconvert
1844 (see config.h). (It also has other uses, such as figuring out if
1845 a given precision of printing can be done with a double instead of
1846 a long double - Allen).
2d4389e4
JH		 1847*/
1848#ifdef I_LIMITS
1849#include <limits.h>
1850#endif
1851#ifdef I_FLOAT
1852#include <float.h>
1853#endif
1854#ifndef HAS_DBL_DIG
1855#define DBL_DIG 15 /* A guess that works lots of places */
1856#endif
1857#endif
1858
1859#ifdef OVR_LDBL_DIG
1860/* Use an overridden LDBL_DIG */
1861# ifdef LDBL_DIG
1862# undef LDBL_DIG
1863# endif
1864# define LDBL_DIG OVR_LDBL_DIG
1865#else
1866/* The following is all to get LDBL_DIG, in order to pick a nice
1867 default value for printing floating point numbers in Gconvert.
1868 (see config.h)
1869*/
68d4903c
JH		 1870# ifdef I_LIMITS
1871# include <limits.h>
1872# endif
1873# ifdef I_FLOAT
1874# include <float.h>
1875# endif
1876# ifndef HAS_LDBL_DIG
1877# if LONG_DOUBLESIZE == 10
1878# define LDBL_DIG 18 /* assume IEEE */
1879# else
1880# if LONG_DOUBLESIZE == 12
1881# define LDBL_DIG 18 /* gcc? */
1882# else
1883# if LONG_DOUBLESIZE == 16
1884# define LDBL_DIG 33 /* assume IEEE */
1885# else
1886# if LONG_DOUBLESIZE == DOUBLESIZE
1887# define LDBL_DIG DBL_DIG /* bummer */
1888# endif
1889# endif
1890# endif
1891# endif
1892# endif
2d4389e4
JH		 1893#endif
1894
20f6aaab
AS		 1895/*
1896 * This is for making sure we have a good DBL_MAX value, if possible,
1897 * either for usage as NV_MAX or for usage in figuring out if we can
1898 * fit a given long double into a double, if bug-fixing makes it
1899 * necessary to do so. - Allen <allens@cpan.org>
1900 */
1901
205f51d8
AS		 1902#ifdef I_LIMITS
1903# include <limits.h>
20f6aaab
AS		 1904#endif
1905
205f51d8
AS		 1906#ifdef I_VALUES
1907# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1908# include <values.h>
1909# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1910# define DBL_MAX MAXDOUBLE
1911# endif
1912# if defined(MINDOUBLE) && !defined(DBL_MIN)
1913# define DBL_MIN MINDOUBLE
1914# endif
1915# endif
1916#endif /* defined(I_VALUES) */
1917
a22e52b9 1918typedef NVTYPE NV;
8175356b 1919
792d8dab
JH		 1920#ifdef I_IEEEFP
1921# include <ieeefp.h>
1922#endif
923fc586 1923
65202027 1924#ifdef USE_LONG_DOUBLE
923fc586
JH		 1925# ifdef I_SUNMATH
1926# include <sunmath.h>
1927# endif
2d4389e4 1928# define NV_DIG LDBL_DIG
d6c14000
JH		 1929# ifdef LDBL_MANT_DIG
1930# define NV_MANT_DIG LDBL_MANT_DIG
1931# endif
06fc1729
JH		 1932# ifdef LDBL_MIN
1933# define NV_MIN LDBL_MIN
1934# endif
1935# ifdef LDBL_MAX
1936# define NV_MAX LDBL_MAX
1937# endif
1938# ifdef LDBL_MIN_10_EXP
1939# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1940# endif
1941# ifdef LDBL_MAX_10_EXP
1942# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1943# endif
1944# ifdef LDBL_EPSILON
1945# define NV_EPSILON LDBL_EPSILON
1946# endif
f4a14a62
JH		 1947# ifdef LDBL_MAX
1948# define NV_MAX LDBL_MAX
20f6aaab 1949/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1950# else
1951# ifdef HUGE_VALL
1952# define NV_MAX HUGE_VALL
1953# else
1954# ifdef HUGE_VAL
1955# define NV_MAX ((NV)HUGE_VAL)
1956# endif
1957# endif
1958# endif
68d4903c 1959# ifdef HAS_SQRTL
68d4903c
JH		 1960# define Perl_cos cosl
1961# define Perl_sin sinl
1962# define Perl_sqrt sqrtl
1963# define Perl_exp expl
1964# define Perl_log logl
1965# define Perl_atan2 atan2l
1966# define Perl_pow powl
1967# define Perl_floor floorl
1bbae031 1968# define Perl_ceil ceill
68d4903c
JH		 1969# define Perl_fmod fmodl
1970# endif
a3540c92
JH		 1971/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1972# ifdef HAS_MODFL
1973# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1974/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1975 prototype in <math.h> */
1976# ifndef HAS_MODFL_PROTO
a221a8a5 1977EXTERN_C long double modfl(long double, long double *);
51997bc3 1978# endif
03476e8e
JH		 1979# else
1980# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1981 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1982# define Perl_modf(x,y) Perl_my_modfl(x,y)
1983# endif
a3540c92
JH		 1984# endif
1985# ifdef HAS_FREXPL
dff3e0b8 1986# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1987# else
1988# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1989 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1990# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1991# endif
a3540c92 1992# endif
38dbb4c5 1993# ifndef Perl_isnan
758a5d79
JH		 1994# ifdef HAS_ISNANL
1995# define Perl_isnan(x) isnanl(x)
1996# endif
1997# endif
1998# ifndef Perl_isinf
1999# ifdef HAS_FINITEL
2000# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 2001# endif
2002# endif
65202027 2003#else
2d4389e4 2004# define NV_DIG DBL_DIG
d6c14000
JH		 2005# ifdef DBL_MANT_DIG
2006# define NV_MANT_DIG DBL_MANT_DIG
2007# endif
06fc1729
JH		 2008# ifdef DBL_MIN
2009# define NV_MIN DBL_MIN
2010# endif
2011# ifdef DBL_MAX
2012# define NV_MAX DBL_MAX
2013# endif
2014# ifdef DBL_MIN_10_EXP
2015# define NV_MIN_10_EXP DBL_MIN_10_EXP
2016# endif
2017# ifdef DBL_MAX_10_EXP
2018# define NV_MAX_10_EXP DBL_MAX_10_EXP
2019# endif
2020# ifdef DBL_EPSILON
2021# define NV_EPSILON DBL_EPSILON
2022# endif
205f51d8 2023# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 2024# define NV_MAX DBL_MAX
2025# define NV_MIN DBL_MIN
2026# else
2027# ifdef HUGE_VAL
2028# define NV_MAX HUGE_VAL
2029# endif
2030# endif
65202027
DS		 2031# define Perl_cos cos
2032# define Perl_sin sin
2033# define Perl_sqrt sqrt
2034# define Perl_exp exp
2035# define Perl_log log
2036# define Perl_atan2 atan2
2037# define Perl_pow pow
2038# define Perl_floor floor
1bbae031 2039# define Perl_ceil ceil
65202027 2040# define Perl_fmod fmod
a3540c92 2041# define Perl_modf(x,y) modf(x,y)
dff3e0b8 2042# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 2043#endif
2044
2045/* rumor has it that Win32 has _fpclass() */
2046
205f51d8
AS		 2047/* SGI has fpclassl... but not with the same result values,
2048 * and it's via a typedef (not via #define), so will need to redo Configure
2049 * to use. Not worth the trouble, IMO, at least until the below is used
2050 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
2051 * with me for the SGI manpages, SGI testing, etcetera, if you want to
2052 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
2053
758a5d79
JH		 2054#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2055# ifdef I_IEEFP
2056# include <ieeefp.h>
2057# endif
2058# ifdef I_FP
2059# include <fp.h>
2060# endif
2061# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2062# define Perl_fp_class() fpclassl(x)
2063# else
2064# define Perl_fp_class() fpclass(x)
2065# endif
2066# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2067# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2068# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2069# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2070# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2071# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2072# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2073# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2074# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2075# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2076# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2077# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2078# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2079# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2080# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2081#endif
2082
7114a2d2 2083#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2084# include <math.h>
2085# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2086# include <fp_class.h>
2087# endif
2088# define Perl_fp_class(x) fp_class(x)
2089# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2090# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2091# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2092# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2093# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2094# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2095# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2096# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2097# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2098# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2099# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2100# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2101# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2102# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2103# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2104#endif
2105
2106#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2107# include <math.h>
2108# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2109# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2110# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2111# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2112# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2113# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2114#endif
2115
2116#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2117# include <math.h>
2118# ifndef _cplusplus
2119# define Perl_fp_class(x) class(x)
2120# else
2121# define Perl_fp_class(x) _class(x)
2122# endif
2123# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2124# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2125# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2126# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2127# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2128# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2129# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2130# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2131# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2132# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2133# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2134# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2135# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2136# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2137# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2138#endif
2139
2140/* rumor has it that Win32 has _isnan() */
2141
2142#ifndef Perl_isnan
a3540c92 2143# ifdef HAS_ISNAN
758a5d79
JH		 2144# define Perl_isnan(x) isnan((NV)x)
2145# else
2146# ifdef Perl_fp_class_nan
2147# define Perl_isnan(x) Perl_fp_class_nan(x)
2148# else
2149# ifdef HAS_UNORDERED
2150# define Perl_isnan(x) unordered((x), 0.0)
2151# else
2152# define Perl_isnan(x) ((x)!=(x))
2153# endif
2154# endif
2155# endif
2156#endif
2157
ca6c63e1
JH		 2158#ifdef UNDER_CE
2159int isnan(double d);
2160#endif
2161
758a5d79
JH		 2162#ifndef Perl_isinf
2163# ifdef HAS_ISINF
2164# define Perl_isinf(x) isinf((NV)x)
a3540c92 2165# else
758a5d79
JH		 2166# ifdef Perl_fp_class_inf
2167# define Perl_isinf(x) Perl_fp_class_inf(x)
2168# else
2169# define Perl_isinf(x) ((x)==NV_INF)
2170# endif
2171# endif
2172#endif
2173
2174#ifndef Perl_isfinite
2175# ifdef HAS_FINITE
2176# define Perl_isfinite(x) finite((NV)x)
2177# else
2178# ifdef HAS_ISFINITE
2179# define Perl_isfinite(x) isfinite(x)
2180# else
2181# ifdef Perl_fp_class_finite
2182# define Perl_isfinite(x) Perl_fp_class_finite(x)
2183# else
2184# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2185# endif
2186# endif
a3540c92 2187# endif
65202027
DS		 2188#endif
2189
a36244b7
JH		 2190/* The default is to use Perl's own atof() implementation (in numeric.c).
2191 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2192 * it is however best to use the native implementation of atof.
2193 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2194 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2195 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2196 * you may need to be using a different function than atof! */
a36244b7
JH		 2197
2198#ifndef USE_PERL_ATOF
2199# ifndef _UNICOS
2200# define USE_PERL_ATOF
2201# endif
2202#else
2203# if USE_PERL_ATOF == 0
2204# undef USE_PERL_ATOF
2205# endif
2206#endif
2207
2208#ifdef USE_PERL_ATOF
2209# define Perl_atof(s) Perl_my_atof(s)
2210# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2211#else
2212# define Perl_atof(s) (NV)atof(s)
2213# define Perl_atof2(s, n) ((n) = atof(s))
2214#endif
cf2093f6 2215
d460ef45 2216/* Previously these definitions used hardcoded figures.
760ac839
LW		 2217 * It is hoped these formula are more portable, although
2218 * no data one way or another is presently known to me.
2219 * The "PERL_" names are used because these calculated constants
2220 * do not meet the ANSI requirements for LONG_MAX, etc., which
2221 * need to be constants acceptable to #if - kja
2222 * define PERL_LONG_MAX 2147483647L
2223 * define PERL_LONG_MIN (-LONG_MAX - 1)
2224 * define PERL ULONG_MAX 4294967295L
2225 */
2226
2227#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2228# include <limits.h>
760ac839 2229#endif
205f51d8 2230/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2231 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2232
99abf803 2233/*
2234 * Try to figure out max and min values for the integral types. THE CORRECT
2235 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2236 * following hacks are used if neither limits.h or values.h provide them:
2237 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2238 * for types < int: (unsigned TYPE)~(unsigned)0
2239 * The argument to ~ must be unsigned so that later signed->unsigned
2240 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2241 * and it must not be smaller than int because ~ does integral promotion.
2242 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2243 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2244 * The latter is a hack which happens to work on some machines but
2245 * does *not* catch any random system, or things like integer types
2246 * with NaN if that is possible.
2247 *
2248 * All of the types are explicitly cast to prevent accidental loss of
2249 * numeric range, and in the hope that they will be less likely to confuse
2250 * over-eager optimizers.
2251 *
2252 */
27d4fb96 2253
99abf803 2254#define PERL_UCHAR_MIN ((unsigned char)0)
2255
2256#ifdef UCHAR_MAX
2257# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2258#else
99abf803 2259# ifdef MAXUCHAR
2260# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2261# else
99abf803 2262# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2263# endif
2264#endif
d460ef45 2265
99abf803 2266/*
2267 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2268 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2269 * depending on local options. Until Configure detects this (or at least
2270 * detects whether the "signed" keyword is available) the CHAR ranges
2271 * will not be included. UCHAR functions normally.
2272 * - kja
2273 */
27d4fb96 2274
99abf803 2275#define PERL_USHORT_MIN ((unsigned short)0)
2276
2277#ifdef USHORT_MAX
2278# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2279#else
99abf803 2280# ifdef MAXUSHORT
2281# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2282# else
ef2f54b0
CB		 2283# ifdef USHRT_MAX
2284# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2285# else
2286# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2287# endif
27d4fb96 2288# endif
2289#endif
2290
27d4fb96 2291#ifdef SHORT_MAX
99abf803 2292# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2293#else
2294# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2295# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2296# else
ef2f54b0
CB		 2297# ifdef SHRT_MAX
2298# define PERL_SHORT_MAX ((short)SHRT_MAX)
2299# else
2300# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2301# endif
27d4fb96 2302# endif
2303#endif
2304
2305#ifdef SHORT_MIN
99abf803 2306# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2307#else
2308# ifdef MINSHORT
99abf803 2309# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2310# else
ef2f54b0
CB		 2311# ifdef SHRT_MIN
2312# define PERL_SHORT_MIN ((short)SHRT_MIN)
2313# else
2314# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2315# endif
27d4fb96 2316# endif
2317#endif
2318
99abf803 2319#ifdef UINT_MAX
2320# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2321#else
99abf803 2322# ifdef MAXUINT
2323# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2324# else
99abf803 2325# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2326# endif
2327#endif
2328
99abf803 2329#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2330
2331#ifdef INT_MAX
99abf803 2332# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2333#else
2334# ifdef MAXINT /* Often used in <values.h> */
99abf803 2335# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2336# else
99abf803 2337# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2338# endif
2339#endif
2340
2341#ifdef INT_MIN
99abf803 2342# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2343#else
2344# ifdef MININT
99abf803 2345# define PERL_INT_MIN ((int)MININT)
27d4fb96 2346# else
2347# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2348# endif
2349#endif
2350
99abf803 2351#ifdef ULONG_MAX
2352# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2353#else
99abf803 2354# ifdef MAXULONG
2355# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2356# else
99abf803 2357# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2358# endif
2359#endif
2360
99abf803 2361#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2362
760ac839 2363#ifdef LONG_MAX
99abf803 2364# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2365#else
2366# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2367# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2368# else
99abf803 2369# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2370# endif
2371#endif
2372
2373#ifdef LONG_MIN
99abf803 2374# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2375#else
2376# ifdef MINLONG
99abf803 2377# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2378# else
27d4fb96 2379# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2380# endif
2381#endif
2382
d7d93a81 2383#ifdef UV_IS_QUAD
99abf803 2384
99abf803 2385# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2386# define PERL_UQUAD_MIN ((UV)0)
99abf803 2387# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2388# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2389
79072805
LW		 2390#endif
2391
830247a4 2392struct RExC_state_t;
8e11feef 2393struct _reg_trie_data;
880b20b6 2394
ee0007ab 2395typedef MEM_SIZE STRLEN;
450a55e4 2396
598921a7
NC		 2397#ifdef PERL_MAD
2398typedef struct token TOKEN;
2399typedef struct madprop MADPROP;
2400typedef struct nexttoken NEXTTOKE;
2401#endif
79072805
LW		 2402typedef struct op OP;
2403typedef struct cop COP;
2404typedef struct unop UNOP;
2405typedef struct binop BINOP;
2406typedef struct listop LISTOP;
2407typedef struct logop LOGOP;
79072805
LW		 2408typedef struct pmop PMOP;
2409typedef struct svop SVOP;
7934575e 2410typedef struct padop PADOP;
79072805 2411typedef struct pvop PVOP;
79072805
LW		 2412typedef struct loop LOOP;
2413
7aef8e5b 2414#ifdef PERL_CORE
8be227ab
FC		 2415typedef struct opslab OPSLAB;
2416typedef struct opslot OPSLOT;
2417#endif
2418
52db365a 2419typedef struct block_hooks BHK;
1830b3d9 2420typedef struct custom_op XOP;
52db365a 2421
cd1541b2
NC		 2422typedef struct interpreter PerlInterpreter;
2423
d2b3f365
SS		 2424/* Amdahl's <ksync.h> has struct sv */
2425/* SGI's <sys/sema.h> has struct sv */
2426#if defined(UTS) || defined(__sgi)
2427# define STRUCT_SV perl_sv
b8d3c5db
JH		 2428#else
2429# define STRUCT_SV sv
2430#endif
2431typedef struct STRUCT_SV SV;
79072805
LW		 2432typedef struct av AV;
2433typedef struct hv HV;
2434typedef struct cv CV;
d2f13c59 2435typedef struct p5rx REGEXP;
79072805 2436typedef struct gp GP;
0c30d9ec 2437typedef struct gv GV;
8990e307 2438typedef struct io IO;
c09156bb 2439typedef struct context PERL_CONTEXT;
79072805
LW		 2440typedef struct block BLOCK;
2441
2442typedef struct magic MAGIC;
2443typedef struct xpv XPV;
2444typedef struct xpviv XPVIV;
ff68c719 2445typedef struct xpvuv XPVUV;
79072805
LW		 2446typedef struct xpvnv XPVNV;
2447typedef struct xpvmg XPVMG;
2448typedef struct xpvlv XPVLV;
2449typedef struct xpvav XPVAV;
2450typedef struct xpvhv XPVHV;
2451typedef struct xpvgv XPVGV;
2452typedef struct xpvcv XPVCV;
2453typedef struct xpvbm XPVBM;
2454typedef struct xpvfm XPVFM;
8990e307 2455typedef struct xpvio XPVIO;
79072805
LW		 2456typedef struct mgvtbl MGVTBL;
2457typedef union any ANY;
5f7fde29
GS		 2458typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2459typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2460typedef struct clone_params CLONE_PARAMS;
2461
378cc40b 2462#include "handy.h"
a0d0e21e 2463
6b8eaf93 2464#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2465# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2466# define USE_64_BIT_RAWIO /* implicit */
2467# endif
4564133c
JH		 2468#endif
2469
6b8eaf93
JH		 2470/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2471 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2472 * however, because operating systems like to do that themself. */
2473#ifndef FSEEKSIZE
2474# ifdef HAS_FSEEKO
2475# define FSEEKSIZE LSEEKSIZE
2476# else
2477# define FSEEKSIZE LONGSIZE
d460ef45 2478# endif
6b8eaf93
JH		 2479#endif
2480
2481#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2482# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2483# define USE_64_BIT_STDIO /* implicit */
2484# endif
2485#endif
4564133c 2486
09458382 2487#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2488# ifdef HAS_OFF64_T
2489# undef Off_t
2490# define Off_t off64_t
2491# undef LSEEKSIZE
2492# define LSEEKSIZE 8
5ff3f7a4 2493# endif
d9b3e12d
JH		 2494/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2495 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2496 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2497# if defined(USE_OPEN64)
2498# define open open64
5ff3f7a4 2499# endif
d9b3e12d
JH		 2500# if defined(USE_LSEEK64)
2501# define lseek lseek64
6b8eaf93
JH		 2502# else
2503# if defined(USE_LLSEEK)
2504# define lseek llseek
2505# endif
d9b3e12d
JH		 2506# endif
2507# if defined(USE_STAT64)
2508# define stat stat64
2509# endif
2510# if defined(USE_FSTAT64)
2511# define fstat fstat64
2512# endif
2513# if defined(USE_LSTAT64)
2514# define lstat lstat64
2515# endif
2516# if defined(USE_FLOCK64)
2517# define flock flock64
2518# endif
2519# if defined(USE_LOCKF64)
2520# define lockf lockf64
2521# endif
2522# if defined(USE_FCNTL64)
2523# define fcntl fcntl64
2524# endif
2525# if defined(USE_TRUNCATE64)
2526# define truncate truncate64
2527# endif
2528# if defined(USE_FTRUNCATE64)
2529# define ftruncate ftruncate64
2530# endif
2531#endif
2532
2533#ifdef USE_64_BIT_STDIO
2534# ifdef HAS_FPOS64_T
2535# undef Fpos_t
2536# define Fpos_t fpos64_t
2537# endif
2538/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2539 * will trigger defines like the ones below. Some 64-bit environments,
2540 * however, do not. */
2541# if defined(USE_FOPEN64)
2542# define fopen fopen64
2543# endif
2544# if defined(USE_FSEEK64)
6b8eaf93 2545# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2546# endif
2547# if defined(USE_FTELL64)
6b8eaf93 2548# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2549# endif
2550# if defined(USE_FSETPOS64)
2551# define fsetpos fsetpos64
2552# endif
2553# if defined(USE_FGETPOS64)
2554# define fgetpos fgetpos64
2555# endif
2556# if defined(USE_TMPFILE64)
2557# define tmpfile tmpfile64
2558# endif
2559# if defined(USE_FREOPEN64)
2560# define freopen freopen64
5ff3f7a4
GS		 2561# endif
2562#endif
2563
e37778c2 2564#if defined(OS2)
2c2d71f5
JH		 2565# include "iperlsys.h"
2566#endif
2567
6f71a643 2568#if defined(__OPEN_VM)
19848b3f
JH		 2569# include "vmesa/vmesaish.h"
2570# define ISHISH "vmesa"
6f71a643
JH		 2571#endif
2572
748a9306 2573#ifdef DOSISH
19848b3f
JH		 2574# if defined(OS2)
2575# include "os2ish.h"
2576# else
2577# include "dosish.h"
2578# endif
2579# define ISHISH "dos"
2580#endif
2581
2582#if defined(VMS)
748a9306 2583# include "vmsish.h"
19848b3f
JH		 2584# define ISHISH "vms"
2585#endif
2586
2587#if defined(PLAN9)
2588# include "./plan9/plan9ish.h"
2589# define ISHISH "plan9"
2590#endif
2591
2592#if defined(MPE)
2593# include "mpeix/mpeixish.h"
2594# define ISHISH "mpeix"
2595#endif
2596
2597#if defined(__VOS__)
196918b0
PG		 2598# ifdef __GNUC__
2599# include "./vos/vosish.h"
2600# else
2601# include "vos/vosish.h"
2602# endif
19848b3f
JH		 2603# define ISHISH "vos"
2604#endif
2605
2606#if defined(EPOC)
2607# include "epocish.h"
2608# define ISHISH "epoc"
2609#endif
2610
9969cdde 2611#ifdef __SYMBIAN32__
27da23d5 2612# include "symbian/symbianish.h"
27da23d5
JH		 2613# define ISHISH "symbian"
2614#endif
2615
19848b3f 2616
df00ff3b
IW		 2617#if defined(__HAIKU__)
2618# include "haiku/haikuish.h"
2619# define ISHISH "haiku"
2620#elif defined(__BEOS__)
efca5cc6
JH		 2621# include "beos/beosish.h"
2622# define ISHISH "beos"
2623#endif
2624
19848b3f
JH		 2625#ifndef ISHISH
2626# include "unixish.h"
2627# define ISHISH "unix"
13b6e58c
JH		 2628#endif
2629
2946a158
JH		 2630/* NSIG logic from Configure --> */
2631/* Strange style to avoid deeply-nested #if/#else/#endif */
2632#ifndef NSIG
2633# ifdef _NSIG
2634# define NSIG (_NSIG)
2635# endif
2636#endif
2637
2638#ifndef NSIG
2639# ifdef SIGMAX
2640# define NSIG (SIGMAX+1)
2641# endif
2642#endif
2643
2644#ifndef NSIG
2645# ifdef SIG_MAX
2646# define NSIG (SIG_MAX+1)
2647# endif
2648#endif
2649
2650#ifndef NSIG
2651# ifdef _SIG_MAX
2652# define NSIG (_SIG_MAX+1)
2653# endif
2654#endif
2655
2656#ifndef NSIG
2657# ifdef MAXSIG
2658# define NSIG (MAXSIG+1)
2659# endif
2660#endif
2661
2662#ifndef NSIG
2663# ifdef MAX_SIG
2664# define NSIG (MAX_SIG+1)
2665# endif
2666#endif
2667
2668#ifndef NSIG
2669# ifdef SIGARRAYSIZE
2670# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2671# endif
2672#endif
2673
2674#ifndef NSIG
2675# ifdef _sys_nsig
2676# define NSIG (_sys_nsig) /* Solaris 2.5 */
2677# endif
2678#endif
2679
2680/* Default to some arbitrary number that's big enough to get most
2681 of the common signals.
2682*/
2683#ifndef NSIG
2684# define NSIG 50
2685#endif
2686/* <-- NSIG logic from Configure */
2687
13b6e58c
JH		 2688#ifndef NO_ENVIRON_ARRAY
2689# define USE_ENVIRON_ARRAY
2690#endif
32f822de 2691
c77b533b
JH		 2692/*
2693 * initialise to avoid floating-point exceptions from overflow, etc
2694 */
2695#ifndef PERL_FPU_INIT
2696# ifdef HAS_FPSETMASK
2697# if HAS_FLOATINGPOINT_H
2698# include <floatingpoint.h>
2699# endif
ad3a8c67
NC		 2700/* Some operating systems have this as a macro, which in turn expands to a comma
2701 expression, and the last sub-expression is something that gets calculated,
2702 and then they have the gall to warn that a value computed is not used. Hence
2703 cast to void. */
2704# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2705# else
2f42fcb0 2706# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2707# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2708# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2709# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2710# else
2711# define PERL_FPU_INIT
2f42fcb0 2712
7014c407 2713# endif
c77b533b
JH		 2714# endif
2715#endif
b35112e7
CS		 2716#ifndef PERL_FPU_PRE_EXEC
2717# define PERL_FPU_PRE_EXEC {
2718# define PERL_FPU_POST_EXEC }
2719#endif
c77b533b 2720
cbec8ebe
DM		 2721#ifndef PERL_SYS_INIT3_BODY
2722# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2723#endif
2724
eb533572 2725/*
4ad9e498 2726=for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
eb533572
DM		 2727Provides system-specific tune up of the C runtime environment necessary to
2728run Perl interpreters. This should be called only once, before creating
2729any Perl interpreters.
2730
4ad9e498 2731=for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
eb533572
DM		 2732Provides system-specific tune up of the C runtime environment necessary to
2733run Perl interpreters. This should be called only once, before creating
2734any Perl interpreters.
2735
2736=for apidoc Am|void|PERL_SYS_TERM|
2737Provides system-specific clean up of the C runtime environment after
2738running Perl interpreters. This should be called only once, after
2739freeing any remaining Perl interpreters.
2740
2741=cut
2742 */
2743
cbec8ebe
DM		 2744#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2745#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2746#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2747
be708cc0
JH		 2748#ifndef PERL_WRITE_MSG_TO_CONSOLE
2749# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2750#endif
2751
0f31cffe
GS		 2752#ifndef MAXPATHLEN
2753# ifdef PATH_MAX
b990c8b2
JH		 2754# ifdef _POSIX_PATH_MAX
2755# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2756/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2757 * included the null byte or not. Later amendments of POSIX,
2758 * XPG4, the Austin Group, and the Single UNIX Specification
2759 * all explicitly include the null byte in the PATH_MAX.
2760 * Ditto for _POSIX_PATH_MAX. */
2761# define MAXPATHLEN PATH_MAX
b990c8b2 2762# else
09448d78 2763# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2764# endif
2765# else
2766# define MAXPATHLEN (PATH_MAX+1)
2767# endif
0f31cffe 2768# else
d552bce8 2769# define MAXPATHLEN 1024 /* Err on the large side. */
0f31cffe
GS		 2770# endif
2771#endif
2772
c80263a8
SH		 2773/* In case Configure was not used (we are using a "canned config"
2774 * such as Win32, or a cross-compilation setup, for example) try going
2775 * by the gcc major and minor versions. One useful URL is
2776 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2777 * but contrary to this information warn_unused_result seems
2778 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2779 * Also, when building extensions with an installed perl, this allows
2780 * the user to upgrade gcc and get the right attributes, rather than
2781 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2782 * Set these up now otherwise we get confused when some of the <*thread.h>
2783 * includes below indirectly pull in <perlio.h> (which needs to know if we
2784 * have HASATTRIBUTE_FORMAT).
2785 */
2786
4d7c7898 2787#ifndef PERL_MICRO
fc2007d4 2788#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2789# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2790# define HASATTRIBUTE_DEPRECATED
2791# endif
c80263a8
SH		 2792# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2793# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2794# if defined __MINGW32__
2795# define PRINTF_FORMAT_NULL_OK
2796# endif
c80263a8
SH		 2797# endif
2798# if __GNUC__ >= 3 /* 3.0 -> */
2799# define HASATTRIBUTE_MALLOC
2800# endif
2801# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2802# define HASATTRIBUTE_NONNULL
2803# endif
2804# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2805# define HASATTRIBUTE_NORETURN
2806# endif
2807# if __GNUC__ >= 3 /* gcc 3.0 -> */
2808# define HASATTRIBUTE_PURE
2809# endif
42bf5550 2810# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2811# define HASATTRIBUTE_UNUSED
2812# endif
d324fe49
AD		 2813# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2814# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2815# endif
c80263a8
SH		 2816# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2817# define HASATTRIBUTE_WARN_UNUSED_RESULT
2818# endif
2819#endif
00f254e2 2820#endif /* #ifndef PERL_MICRO */
c80263a8 2821
3db8f154 2822/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2823 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2824 * this results in many functions being undeclared which bothers C++
2825 * May make sense to have threads after "*ish.h" anyway
2826 */
2827
3db8f154 2828#if defined(USE_ITHREADS)
2986a63f
JH		 2829# ifdef NETWARE
2830# include <nw5thread.h>
2831# else
32f822de
GS		 2832# ifdef FAKE_THREADS
2833# include "fakethr.h"
2834# else
2835# ifdef WIN32
2836# include <win32thread.h>
2837# else
dd96f567
IZ		 2838# ifdef OS2
2839# include "os2thread.h"
2840# else
7f3d1cf1 2841# ifdef I_MACH_CTHREADS
bdd66968 2842# include <mach/cthreads.h>
8f1f23e8 2843# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2844# define MUTEX_INIT_CALLS_MALLOC
2845# endif
7f3d1cf1
BH		 2846typedef cthread_t perl_os_thread;
2847typedef mutex_t perl_mutex;
2848typedef condition_t perl_cond;
2849typedef void * perl_key;
2850# else /* Posix threads */
1f5ae88c
JH		 2851# ifdef I_PTHREAD
2852# include <pthread.h>
2853# endif
7f3d1cf1
BH		 2854typedef pthread_t perl_os_thread;
2855typedef pthread_mutex_t perl_mutex;
2856typedef pthread_cond_t perl_cond;
2857typedef pthread_key_t perl_key;
2858# endif /* I_MACH_CTHREADS */
dd96f567 2859# endif /* OS2 */
32f822de
GS		 2860# endif /* WIN32 */
2861# endif /* FAKE_THREADS */
2986a63f 2862#endif /* NETWARE */
3db8f154 2863#endif /* USE_ITHREADS */
c5be433b 2864
66a93824 2865#if defined(WIN32)
1feb2720 2866# include "win32.h"
c5be433b
GS		 2867#endif
2868
2986a63f
JH		 2869#ifdef NETWARE
2870# include "netware.h"
2871#endif
2872
e5218da5 2873#define STATUS_UNIX PL_statusvalue
68dc0745 2874#ifdef VMS
6b88bc9c 2875# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2876/*
2877 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2878 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2879 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2880 * be updated also.
2881 */
2882# include <stsdef.h>
2883# include <ssdef.h>
2884/* Presume this because if VMS changes it, it will require a new
2885 * set of APIs for waiting on children for binary compatibility.
2886 */
2887# define child_offset_bits (8)
2888# ifndef C_FAC_POSIX
2889# define C_FAC_POSIX 0x35A000
2890# endif
2891
2892/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2893 * platform from the existing UNIX or Native status values.
2894 */
2895
37038d91 2896# define STATUS_EXIT \
7a7fd8e0
JM		 2897 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2898 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2899
7a7fd8e0 2900
fb38d079
JM		 2901/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2902 * exit code and shifts the UNIX value over the correct number of bits to
2903 * be a child status. Usually the number of bits is 8, but that could be
2904 * platform dependent. The NATIVE status code is presumed to have either
2905 * from a child process.
7a7fd8e0
JM		 2906 */
2907
fb38d079
JM		 2908/* This is complicated. The child processes return a true native VMS
2909 status which must be saved. But there is an assumption in Perl that
2910 the UNIX child status has some relationship to errno values, so
00f254e2 2911 Perl tries to translate it to text in some of the tests.
fb38d079
JM		 2912 In order to get the string translation correct, for the error, errno
2913 must be EVMSERR, but that generates a different text message
2914 than what the test programs are expecting. So an errno value must
2915 be derived from the native status value when an error occurs.
2916 That will hide the true native status message. With this version of
2917 perl, the true native child status can always be retrieved so that
2918 is not a problem. But in this case, Pl_statusvalue and errno may
2919 have different values in them.
2920 */
7a7fd8e0 2921
fb38d079 2922# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2923 STMT_START { \
2fbb330f
JM		 2924 I32 evalue = (I32)n; \
2925 if (evalue == EVMSERR) { \
2926 PL_statusvalue_vms = vaxc$errno; \
2927 PL_statusvalue = evalue; \
7a7fd8e0 2928 } else { \
2fbb330f 2929 PL_statusvalue_vms = evalue; \
fb38d079 2930 if (evalue == -1) { \
3280af22 2931 PL_statusvalue = -1; \
7a7fd8e0
JM		 2932 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2933 } else \
fb38d079 2934 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2935 set_vaxc_errno(evalue); \
fb38d079
JM		 2936 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2937 set_errno(EVMSERR); \
2938 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2939 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2940 } \
68dc0745 2941 } STMT_END
7a7fd8e0 2942
68dc0745 2943# ifdef VMSISH_STATUS
e5218da5 2944# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2945# else
e5218da5 2946# define STATUS_CURRENT STATUS_UNIX
68dc0745 2947# endif
7a7fd8e0
JM		 2948
2949 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2950 * the NATIVE status to an equivalent value. Can not be used to translate
2951 * exit code values as exit code values are not guaranteed to have any
2952 * relationship at all to errno values.
2953 * This is used when Perl is forcing errno to have a specific value.
2954 */
e5218da5 2955# define STATUS_UNIX_SET(n) \
68dc0745 2956 STMT_START { \
7a7fd8e0 2957 I32 evalue = (I32)n; \
0968cdad 2958 PL_statusvalue = evalue; \
3280af22 2959 if (PL_statusvalue != -1) { \
0968cdad
JM		 2960 if (PL_statusvalue != EVMSERR) { \
2961 PL_statusvalue &= 0xFFFF; \
2962 if (MY_POSIX_EXIT) \
2963 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2964 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2965 } \
2966 else { \
2967 PL_statusvalue_vms = vaxc$errno; \
2968 } \
68dc0745 2969 } \
0968cdad
JM		 2970 else PL_statusvalue_vms = SS$_ABORT; \
2971 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2972 } STMT_END
2973
2974 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 2975 * the NATIVE error status based on it.
2976 *
2977 * When in the default mode to comply with the Perl VMS documentation,
2978 * 0 is a success and any other code sets the NATIVE status to a failure
2979 * code of SS$_ABORT.
fb38d079
JM		 2980 *
2981 * In the new POSIX EXIT mode, native status will be set so that the
2982 * actual exit code will can be retrieved by the calling program or
2983 * shell.
2984 *
2985 * If the exit code is not clearly a UNIX parent or child exit status,
2986 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2987 */
2988
fb38d079 2989# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2990 STMT_START { \
2991 I32 evalue = (I32)n; \
2992 PL_statusvalue = evalue; \
e08e1e1d
JM		 2993 if (MY_POSIX_EXIT) { \
2994 if (evalue <= 0xFF00) { \
2995 if (evalue > 0xFF) \
2996 evalue = (evalue >> child_offset_bits) & 0xFF; \
2997 PL_statusvalue_vms = \
2998 (C_FAC_POSIX | (evalue << 3 ) | \
2999 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
3000 } else /* forgive them Perl, for they have sinned */ \
3001 PL_statusvalue_vms = evalue; \
3002 } else { \
3003 if (evalue == 0) \
3004 PL_statusvalue_vms = SS$_NORMAL; \
3005 else if (evalue <= 0xFF00) \
3006 PL_statusvalue_vms = SS$_ABORT; \
3007 else { /* forgive them Perl, for they have sinned */ \
3008 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3009 else PL_statusvalue_vms = vaxc$errno; \
3010 /* And obviously used a VMS status value instead of UNIX */ \
3011 PL_statusvalue = EVMSERR; \
3012 } \
3013 set_vaxc_errno(PL_statusvalue_vms); \
3014 } \
68dc0745 3015 } STMT_END
fb38d079 3016
e08e1e1d 3017
6ac6a52b
JM		 3018 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3019 * and sets the NATIVE error status based on it. This special case
3020 * is needed to maintain compatibility with past VMS behavior.
3021 *
3022 * In the default mode on VMS, this number is passed through as
3023 * both the NATIVE and UNIX status. Which makes it different
3024 * that the STATUS_UNIX_EXIT_SET.
3025 *
3026 * In the new POSIX EXIT mode, native status will be set so that the
3027 * actual exit code will can be retrieved by the calling program or
3028 * shell.
3029 *
1a3aec58
JM		 3030 * A POSIX exit code is from 0 to 255. If the exit code is higher
3031 * than this, it needs to be assumed that it is a VMS exit code and
3032 * passed through.
6ac6a52b
JM		 3033 */
3034
3035# define STATUS_EXIT_SET(n) \
3036 STMT_START { \
3037 I32 evalue = (I32)n; \
3038 PL_statusvalue = evalue; \
3039 if (MY_POSIX_EXIT) \
1a3aec58
JM		 3040 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3041 PL_statusvalue_vms = \
3042 (C_FAC_POSIX | (evalue << 3 ) | \
3043 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 3044 else \
3045 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3046 set_vaxc_errno(PL_statusvalue_vms); \
3047 } STMT_END
3048
fb38d079
JM		 3049
3050 /* This macro forces a success status */
7a7fd8e0
JM		 3051# define STATUS_ALL_SUCCESS \
3052 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 3053
3054 /* This macro forces a failure status */
7a7fd8e0
JM		 3055# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3056 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3057 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3058
68dc0745 3059#else
e5218da5 3060# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3061# if defined(WCOREDUMP)
37038d91 3062# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3063 STMT_START { \
3064 PL_statusvalue_posix = (n); \
3065 if (PL_statusvalue_posix == -1) \
3066 PL_statusvalue = -1; \
3067 else { \
3068 PL_statusvalue = \
3069 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3070 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3071 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3072 } \
3073 } STMT_END
3074# elif defined(WIFEXITED)
37038d91 3075# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3076 STMT_START { \
3077 PL_statusvalue_posix = (n); \
3078 if (PL_statusvalue_posix == -1) \
3079 PL_statusvalue = -1; \
3080 else { \
3081 PL_statusvalue = \
3082 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3083 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3084 } \
3085 } STMT_END
3086# else
37038d91 3087# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3088 STMT_START { \
3089 PL_statusvalue_posix = (n); \
3090 if (PL_statusvalue_posix == -1) \
3091 PL_statusvalue = -1; \
3092 else { \
3093 PL_statusvalue = \
3094 PL_statusvalue_posix & 0xFFFF; \
3095 } \
3096 } STMT_END
3097# endif
3098# define STATUS_UNIX_SET(n) \
68dc0745 3099 STMT_START { \
3280af22
NIS		 3100 PL_statusvalue = (n); \
3101 if (PL_statusvalue != -1) \
3102 PL_statusvalue &= 0xFFFF; \
68dc0745 3103 } STMT_END
7a7fd8e0 3104# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3105# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3106# define STATUS_CURRENT STATUS_UNIX
37038d91 3107# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3108# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3109# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3110#endif
3111
cc3604b1
GS		 3112/* flags in PL_exit_flags for nature of exit() */
3113#define PERL_EXIT_EXPECTED 0x01
31d77e54 3114#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3115
b79b76e0 3116#ifndef PERL_CORE
a7cb1f99 3117/* format to use for version numbers in file/directory names */
273cf8d1 3118/* XXX move to Configure? */
b79b76e0
NC		 3119/* This was only ever used for the current version, and that can be done at
3120 compile time, as PERL_FS_VERSION, so should we just delete it? */
3121# ifndef PERL_FS_VER_FMT
3122# define PERL_FS_VER_FMT "%d.%d.%d"
3123# endif
3124#endif
3125
3126#ifndef PERL_FS_VERSION
3127# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS		 3128#endif
3129
45bc9206 3130/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3131 * performance issue, so we allow people to disable it. Also, if
3132 * we are using stdio, there are broken implementations of fflush(NULL)
3133 * out there, Solaris being the most prominent.
45bc9206
GS		 3134 */
3135#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3136# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3137# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3138# else
3139# ifdef FFLUSH_ALL
3140# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3141# else
c5be433b 3142# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3143# endif
66fe083f 3144# endif
45bc9206
GS		 3145#endif
3146
7766f137
GS		 3147#ifndef PERL_WAIT_FOR_CHILDREN
3148# define PERL_WAIT_FOR_CHILDREN NOOP
3149#endif
3150
ba869deb 3151/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3152#ifndef PERL_SET_INTERP
3153# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3154#endif
3155
3156#ifndef PERL_GET_INTERP
3157# define PERL_GET_INTERP (PL_curinterp)
3158#endif
3159
54aff467 3160#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3161# ifdef MULTIPLICITY
ba869deb 3162# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3163# endif
ba869deb
GS		 3164# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3165#endif
3166
00f254e2 3167/*
8896765a 3168 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3169 All that is required is that the perl source does not
00f254e2
KW		 3170 use "%-p" or "%-<number>p" or "%<number>p" formats.
3171 These formats will still work in perl code.
486ec47a 3172 See comments in sv.c for further details.
8896765a 3173
8896765a 3174 Robin Barker 2005-07-14
f46d31f2 3175
00f254e2 3176 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3177*/
8896765a
RB		 3178
3179#ifndef SVf_
63ce7bf0 3180# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3181#endif
3182
8896765a 3183#ifndef SVf
104abab4 3184# define SVf "-p"
d2560b70
RB		 3185#endif
3186
014ead4b 3187#ifndef SVf32
8896765a 3188# define SVf32 SVf_(32)
014ead4b
RB		 3189#endif
3190
3191#ifndef SVf256
8896765a
RB		 3192# define SVf256 SVf_(256)
3193#endif
3194
be2597df
MHM		 3195#define SVfARG(p) ((void*)(p))
3196
20023040
FC		 3197#ifndef HEKf
3198# define HEKf "2p"
3199#endif
3200
b8fa5213
FC		 3201/* Not ideal, but we cannot easily include a number in an already-numeric
3202 * format sequence. */
3203#ifndef HEKf256
3204# define HEKf256 "3p"
3205#endif
3206
20023040
FC		 3207#define HEKfARG(p) ((void*)(p))
3208
f46d31f2 3209#ifdef PERL_CORE
486ec47a 3210/* not used; but needed for backward compatibility with XS code? - RMB */
f46d31f2
RB		 3211# undef VDf
3212#else
3213# ifndef VDf
8896765a
RB		 3214# define VDf "vd"
3215# endif
014ead4b 3216#endif
170cd9e9
NC		 3217
3218#ifdef PERL_CORE
486ec47a 3219/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB		 3220# undef UVf
3221#else
170cd9e9
NC		 3222# ifndef UVf
3223# define UVf UVuf
3224# endif
d2560b70
RB		 3225#endif
3226
fcdf39cf
RGS		 3227#ifdef HASATTRIBUTE_DEPRECATED
3228# define __attribute__deprecated__ __attribute__((deprecated))
3229#endif
0dbb1585
AL		 3230#ifdef HASATTRIBUTE_FORMAT
3231# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3232#endif
3233#ifdef HASATTRIBUTE_MALLOC
77785eea 3234# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3235#endif
0dbb1585 3236#ifdef HASATTRIBUTE_NONNULL
abb2c242 3237# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3238#endif
0dbb1585 3239#ifdef HASATTRIBUTE_NORETURN
abb2c242 3240# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3241#endif
0dbb1585 3242#ifdef HASATTRIBUTE_PURE
abb2c242 3243# define __attribute__pure__ __attribute__((pure))
f22be1b8 3244#endif
0dbb1585
AL		 3245#ifdef HASATTRIBUTE_UNUSED
3246# define __attribute__unused__ __attribute__((unused))
3247#endif
3248#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3249# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3250#endif
3251
0dbb1585 3252/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3253#ifndef __attribute__deprecated__
3254# define __attribute__deprecated__
3255#endif
0dbb1585
AL		 3256#ifndef __attribute__format__
3257# define __attribute__format__(x,y,z)
3258#endif
f22be1b8 3259#ifndef __attribute__malloc__
abb2c242 3260# define __attribute__malloc__
f22be1b8
JH		 3261#endif
3262#ifndef __attribute__nonnull__
abb2c242 3263# define __attribute__nonnull__(a)
f22be1b8
JH		 3264#endif
3265#ifndef __attribute__noreturn__
abb2c242 3266# define __attribute__noreturn__
f22be1b8
JH		 3267#endif
3268#ifndef __attribute__pure__
abb2c242 3269# define __attribute__pure__
f22be1b8 3270#endif
0dbb1585
AL		 3271#ifndef __attribute__unused__
3272# define __attribute__unused__
3273#endif
f22be1b8 3274#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3275# define __attribute__warn_unused_result__
3276#endif
3277
0dbb1585
AL		 3278/* For functions that are marked as __attribute__noreturn__, it's not
3279 appropriate to call return. In either case, include the lint directive.
3280 */
3281#ifdef HASATTRIBUTE_NORETURN
118e2215 3282# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */
0dbb1585 3283#else
118e2215 3284# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */ return 0
abb2c242
JH		 3285#endif
3286
cdfeb707
RB		 3287/* Some OS warn on NULL format to printf */
3288#ifdef PRINTF_FORMAT_NULL_OK
3289# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3290#else
00f254e2 3291# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB		 3292#endif
3293
635aebb7 3294#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3295# define EXPECT(expr,val) __builtin_expect(expr,val)
3296#else
3297# define EXPECT(expr,val) (expr)
3298#endif
3299#define LIKELY(cond) EXPECT(cond,1)
3300#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3301#ifdef HAS_BUILTIN_CHOOSE_EXPR
3302/* placeholder */
3303#endif
b37c2d43 3304
3fc1aec6 3305/* Some unistd.h's give a prototype for pause() even though
3306 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3307 below to be rejected by the compiler. Sigh.
3fc1aec6 3308*/
3309#ifdef HAS_PAUSE
3310#define Pause pause
3311#else
3312#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3313#endif
3314
3315#ifndef IOCPARM_LEN
3316# ifdef IOCPARM_MASK
61f1c44b 3317 /* on BSDish systems we're safe */
748a9306
LW		 3318# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3319# else
61f1c44b 3320# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3321 /* on Linux systems we're safe; except when we're not [perl #38223] */
3322# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3323# else
748a9306 3324 /* otherwise guess at what's safe */
61f1c44b
JVD		 3325# define IOCPARM_LEN(x) 256
3326# endif
748a9306 3327# endif
a0d0e21e
LW		 3328#endif
3329
1761cee5 3330#if defined(__CYGWIN__)
521e0776
GS		 3331/* USEMYBINMODE
3332 * This symbol, if defined, indicates that the program should
16fe6d59 3333 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3334 * that a file is in "binary" mode -- that is, that no translation
3335 * of bytes occurs on read or write operations.
3336 */
36894f0b 3337# define USEMYBINMODE /**/
77a40698 3338# include <io.h> /* for setmode() prototype */
16fe6d59 3339# define my_binmode(fp, iotype, mode) \
77a40698 3340 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3341#endif
3342
88d10794
JH		 3343#ifdef __CYGWIN__
3344void init_os_extras(void);
3345#endif
3346
cea2e8a9
GS		 3347#ifdef UNION_ANY_DEFINITION
3348UNION_ANY_DEFINITION;
3349#else
3350union any {
3351 void* any_ptr;
3352 I32 any_i32;
3353 IV any_iv;
c6bf6a65 3354 UV any_uv;
cea2e8a9 3355 long any_long;
9febdf04 3356 bool any_bool;
c76ac1ee 3357 void (*any_dptr) (void*);
acfe0abc 3358 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3359};
3360#endif
3361
acfe0abc 3362typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3363
3364#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3365#define FILTER_DATA(idx) \
3366 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3367#define FILTER_ISREADER(idx) \
3368 (PL_parser && PL_parser->rsfp_filters \
3369 && idx >= AvFILLp(PL_parser->rsfp_filters))
3370#define PERL_FILTER_EXISTS(i) \
3371 (PL_parser && PL_parser->rsfp_filters \
3372 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3373
c5078cac
JH		 3374#if defined(_AIX) && !defined(_AIX43)
3375#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3376/* We cannot include <crypt.h> to get the struct crypt_data
3377 * because of setkey prototype problems when threading */
3378typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3379 /* From OSF, Not needed in AIX
3380 char C[28], D[28];
3381 */
3382 char E[48];
3383 char KS[16][48];
3384 char block[66];
3385 char iobuf[16];
3386} CRYPTD;
3387#endif /* threading */
3388#endif /* AIX */
3389
e37778c2 3390#if !defined(OS2)
2c2d71f5
JH		 3391# include "iperlsys.h"
3392#endif
504f80c1 3393
9c12f1e5 3394#ifdef __LIBCATAMOUNT__
00f254e2 3395#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS		 3396#undef HAS_GROUP
3397#define FAKE_BIT_BUCKET
3398#endif
3399
d10dc2ae
JH		 3400/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3401 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3402 * defined by Configure, despite their names being similar to the
3403 * other defines like USE_ITHREADS. Configure in fact knows nothing
3404 * about the randomised hashes. Therefore to enable/disable the hash
3405 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3406#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3407# define USE_HASH_SEED
504f80c1
JH		 3408#endif
3409
598921a7
NC		 3410/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3411 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3412 * it's not really needed.
3413 */
3414#if defined(WIN32)
3415# define YYTOKENTYPE
3416#endif
3417#include "perly.h"
3418
3419#ifdef PERL_MAD
3420struct nexttoken {
3421 YYSTYPE next_val; /* value of next token, if any */
3422 I32 next_type; /* type of next token */
3423 MADPROP *next_mad; /* everything else about that token */
3424};
3425#endif
3426
654eccd5
JD		 3427/* macros to define bit-fields in structs. */
3428#ifndef PERL_BITFIELD8
3429# define PERL_BITFIELD8 unsigned
3430#endif
3431#ifndef PERL_BITFIELD16
3432# define PERL_BITFIELD16 unsigned
3433#endif
3434#ifndef PERL_BITFIELD32
3435# define PERL_BITFIELD32 unsigned
3436#endif
3437
79072805 3438#include "sv.h"
288b8c02 3439#include "regexp.h"
378cc40b 3440#include "util.h"
8d063cd8 3441#include "form.h"
79072805 3442#include "gv.h"
dd2155a4 3443#include "pad.h"
79072805 3444#include "cv.h"
abdd5c84 3445#include "opnames.h"
79072805 3446#include "op.h"
b3ca2e83 3447#include "hv.h"
79072805
LW		 3448#include "cop.h"
3449#include "av.h"
79072805
LW		 3450#include "mg.h"
3451#include "scope.h"
4438c4b7 3452#include "warnings.h"
a0ed51b3 3453#include "utf8.h"
8d063cd8 3454
0d7d409d
DM		 3455/* these would be in doio.h if there was such a file */
3456#define my_stat() my_stat_flags(SV_GMAGIC)
3457#define my_lstat() my_lstat_flags(SV_GMAGIC)
3458
20f4945e 3459/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM		 3460#undef _XPV_HEAD
3461#undef _XPVMG_HEAD
3462#undef _XPVCV_COMMON
7fae4e64
GS		 3463
3464typedef struct _sublex_info SUBLEXINFO;
3465struct _sublex_info {
651b5b28
NC		 3466 U8 super_state; /* lexer state to save */
3467 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3468 OP *sub_op; /* "lex_op" to use */
f06b5848
DM		 3469 char *super_bufptr; /* PL_parser->bufptr that was */
3470 char *super_bufend; /* PL_parser->bufend that was */
9da1dd8f 3471 char *re_eval_start;/* start of "(?{..." text */
7fae4e64
GS		 3472};
3473
199e78b7
DM		 3474#include "parser.h"
3475
455ece5e 3476typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3477
2c2d71f5 3478struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3479struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3480
5f7fde29
GS		 3481struct ptr_tbl_ent {
3482 struct ptr_tbl_ent* next;
53c1dcc0 3483 const void* oldval;
5f7fde29 3484 void* newval;
d18c6117
GS		 3485};
3486
5f7fde29
GS		 3487struct ptr_tbl {
3488 struct ptr_tbl_ent** tbl_ary;
3489 UV tbl_max;
3490 UV tbl_items;
db93c0c4
NC		 3491 struct ptr_tbl_arena *tbl_arena;
3492 struct ptr_tbl_ent *tbl_arena_next;
3493 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS		 3494};
3495
fe14fcc3
LW		 3496#if defined(htonl) && !defined(HAS_HTONL)
3497#define HAS_HTONL
ae986130 3498#endif
fe14fcc3
LW		 3499#if defined(htons) && !defined(HAS_HTONS)
3500#define HAS_HTONS
ae986130 3501#endif
fe14fcc3
LW		 3502#if defined(ntohl) && !defined(HAS_NTOHL)
3503#define HAS_NTOHL
ae986130 3504#endif
fe14fcc3
LW		 3505#if defined(ntohs) && !defined(HAS_NTOHS)
3506#define HAS_NTOHS
ae986130 3507#endif
fe14fcc3 3508#ifndef HAS_HTONL
d9d8d8de 3509#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3510#define HAS_HTONS
3511#define HAS_HTONL
3512#define HAS_NTOHS
3513#define HAS_NTOHL
a687059c
LW		 3514#define MYSWAP
3515#define htons my_swap
3516#define htonl my_htonl
3517#define ntohs my_swap
3518#define ntohl my_ntohl
3519#endif
3520#else
d9d8d8de 3521#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3522#undef HAS_HTONS
3523#undef HAS_HTONL
3524#undef HAS_NTOHS
3525#undef HAS_NTOHL
a687059c
LW		 3526#endif
3527#endif
3528
988174c1
LW		 3529/*
3530 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3531 * -DWS
3532 */
3533#if BYTEORDER != 0x1234
3534# define HAS_VTOHL
3535# define HAS_VTOHS
3536# define HAS_HTOVL
3537# define HAS_HTOVS
c67712b2 3538# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3539# define vtohl(x) ((((x)&0xFF)<<24) \
3540 +(((x)>>24)&0xFF) \
3541 +(((x)&0x0000FF00)<<8) \
3542 +(((x)&0x00FF0000)>>8) )
3543# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3544# define htovl(x) vtohl(x)
3545# define htovs(x) vtohs(x)
3546# endif
3547 /* otherwise default to functions in util.c */
2a8c3029 3548#ifndef htovs
c623ac67
GS		 3549short htovs(short n);
3550short vtohs(short n);
3551long htovl(long n);
3552long vtohl(long n);
988174c1 3553#endif
2a8c3029 3554#endif
988174c1 3555
3bb7c1b4
JH		 3556/* *MAX Plus 1. A floating point value.
3557 Hopefully expressed in a way that dodgy floating point can't mess up.
3558 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3559 is added to it
3560 May find that some broken compiler will want the value cast to I32.
3561 [after the shift, as signed >> may not be as secure as unsigned >>]
3562*/
3563#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3564#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3565/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3566 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3567 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3568*/
3569#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3570
3bb7c1b4
JH		 3571#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3572#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3573#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3574
3575/* This may look like unnecessary jumping through hoops, but converting
3576 out of range floating point values to integers *is* undefined behaviour,
3577 and it is starting to bite.
3578*/
3579#ifndef CAST_INLINE
65202027 3580#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3581#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3582#define I_V(what) (cast_iv((NV)(what)))
3583#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3584#else
3585#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3586 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3587 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3588#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3589 : ((n) < U32_MAX_P1 ? (U32) (n) \
3590 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3591#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3592 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3593 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3594#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3595 : ((n) < UV_MAX_P1 ? (UV) (n) \
3596 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3597#endif
3598
3599#define U_S(what) ((U16)U_32(what))
3600#define U_I(what) ((unsigned int)U_32(what))
3601#define U_L(what) U_32(what)
ed6116ce 3602
ed140128
AD		 3603#ifdef HAS_SIGNBIT
3604# define Perl_signbit signbit
3605#endif
3606
2d4389e4
JH		 3607/* These do not care about the fractional part, only about the range. */
3608#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3609#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3610
25da4f38
IZ		 3611/* Used with UV/IV arguments: */
3612 /* XXXX: need to speed it up */
3613#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3614#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3615
352d5a3a
LW		 3616#ifndef MAXSYSFD
3617# define MAXSYSFD 2
3618#endif
ee0007ab 3619
79072805 3620#ifndef __cplusplus
27da23d5 3621#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3622Uid_t getuid (void);
3623Uid_t geteuid (void);
3624Gid_t getgid (void);
3625Gid_t getegid (void);
79072805 3626#endif
e1caacb4 3627#endif
8d063cd8 3628
0c30d9ec 3629#ifndef Perl_debug_log
bf49b057
GS		 3630# define Perl_debug_log PerlIO_stderr()
3631#endif
3632
3633#ifndef Perl_error_log
3634# define Perl_error_log (PL_stderrgv \
6b78add2 3635 && isGV(PL_stderrgv) \
01bb7c6d 3636 && GvIOp(PL_stderrgv) \
42de951c 3637 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3638 ? IoOFP(GvIOp(PL_stderrgv)) \
3639 : PerlIO_stderr())
0c30d9ec 3640#endif
3967c732 3641
aea4f609
DM		 3642
3643#define DEBUG_p_FLAG 0x00000001 /* 1 */
3644#define DEBUG_s_FLAG 0x00000002 /* 2 */
3645#define DEBUG_l_FLAG 0x00000004 /* 4 */
3646#define DEBUG_t_FLAG 0x00000008 /* 8 */
3647#define DEBUG_o_FLAG 0x00000010 /* 16 */
3648#define DEBUG_c_FLAG 0x00000020 /* 32 */
3649#define DEBUG_P_FLAG 0x00000040 /* 64 */
3650#define DEBUG_m_FLAG 0x00000080 /* 128 */
3651#define DEBUG_f_FLAG 0x00000100 /* 256 */
3652#define DEBUG_r_FLAG 0x00000200 /* 512 */
3653#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3654#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3655/* U is reserved for Unofficial, exploratory hacking */
3656#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3657#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3658#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3659#define DEBUG_D_FLAG 0x00008000 /* 32768 */
56967202 3660#define DEBUG_S_FLAG 0x00010000 /* 65536 */
aea4f609 3661#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3662#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3663#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3664#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3665#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3666#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3667#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 3668#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3669#define DEBUG_B_FLAG 0x02000000 /*33554432*/
56967202 3670#define DEBUG_MASK 0x03FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3671
3672#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3673#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3674 that something was done? */
aea4f609 3675
bd16a5f0
IZ		 3676# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3677# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3678# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3679# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3680# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3681# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3682# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3683# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3684# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3685# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3686# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3687# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3688# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3689# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3690# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3691# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
56967202 3692# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
bd16a5f0
IZ		 3693# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3694# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3695# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3696# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3697# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3698# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3699# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3700# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3701# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3702# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3703# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3704# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3705
3967c732 3706#ifdef DEBUGGING
aea4f609 3707
bd16a5f0
IZ		 3708# define DEBUG_p_TEST DEBUG_p_TEST_
3709# define DEBUG_s_TEST DEBUG_s_TEST_
3710# define DEBUG_l_TEST DEBUG_l_TEST_
3711# define DEBUG_t_TEST DEBUG_t_TEST_
3712# define DEBUG_o_TEST DEBUG_o_TEST_
3713# define DEBUG_c_TEST DEBUG_c_TEST_
3714# define DEBUG_P_TEST DEBUG_P_TEST_
3715# define DEBUG_m_TEST DEBUG_m_TEST_
3716# define DEBUG_f_TEST DEBUG_f_TEST_
3717# define DEBUG_r_TEST DEBUG_r_TEST_
3718# define DEBUG_x_TEST DEBUG_x_TEST_
3719# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3720# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3721# define DEBUG_H_TEST DEBUG_H_TEST_
3722# define DEBUG_X_TEST DEBUG_X_TEST_
3723# define DEBUG_D_TEST DEBUG_D_TEST_
56967202 3724# define DEBUG_S_TEST DEBUG_S_TEST_
bd16a5f0
IZ		 3725# define DEBUG_T_TEST DEBUG_T_TEST_
3726# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3727# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3728# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3729# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3730# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3731# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3732# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3733# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC		 3734# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3735# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3736# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3737
488b0c7a
JH		 3738# define PERL_DEB(a) a
3739# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3740# define DEBUG_p(a) if (DEBUG_p_TEST) a
3741# define DEBUG_s(a) if (DEBUG_s_TEST) a
3742# define DEBUG_l(a) if (DEBUG_l_TEST) a
3743# define DEBUG_t(a) if (DEBUG_t_TEST) a
3744# define DEBUG_o(a) if (DEBUG_o_TEST) a
3745# define DEBUG_c(a) if (DEBUG_c_TEST) a
3746# define DEBUG_P(a) if (DEBUG_P_TEST) a
3747
969058bb
VK		 3748 /* Temporarily turn off memory debugging in case the a
3749 * does memory allocation, either directly or indirectly. */
acfe0abc 3750# define DEBUG_m(a) \
0b250b9e 3751 STMT_START { \
aea4f609 3752 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3753 } STMT_END
aea4f609 3754
5f80b19c
AMS		 3755# define DEBUG__(t, a) \
3756 STMT_START { \
3757 if (t) STMT_START {a;} STMT_END; \
3758 } STMT_END
3759
3760# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3761#ifndef PERL_EXT_RE_BUILD
5f80b19c 3762# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3763#else
3764# define DEBUG_r(a) STMT_START {a;} STMT_END
3765#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3766# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3767# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3768# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3769# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3770# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3771# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3772# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3773# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3774# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3775
56967202 3776# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
5f80b19c
AMS		 3777# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3778# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3779# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3780# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3781# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3782# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3783# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3784# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM		 3785
3786#else /* DEBUGGING */
3787
3788# define DEBUG_p_TEST (0)
3789# define DEBUG_s_TEST (0)
3790# define DEBUG_l_TEST (0)
3791# define DEBUG_t_TEST (0)
3792# define DEBUG_o_TEST (0)
3793# define DEBUG_c_TEST (0)
3794# define DEBUG_P_TEST (0)
3795# define DEBUG_m_TEST (0)
3796# define DEBUG_f_TEST (0)
3797# define DEBUG_r_TEST (0)
3798# define DEBUG_x_TEST (0)
3799# define DEBUG_u_TEST (0)
88d2d28a 3800# define DEBUG_U_TEST (0)
aea4f609
DM		 3801# define DEBUG_H_TEST (0)
3802# define DEBUG_X_TEST (0)
3803# define DEBUG_D_TEST (0)
56967202 3804# define DEBUG_S_TEST (0)
aea4f609 3805# define DEBUG_T_TEST (0)
04932ac8 3806# define DEBUG_R_TEST (0)
1045810a 3807# define DEBUG_J_TEST (0)
d6721266 3808# define DEBUG_v_TEST (0)
46187eeb 3809# define DEBUG_C_TEST (0)
ecae49c0
NC		 3810# define DEBUG_A_TEST (0)
3811# define DEBUG_q_TEST (0)
d7c0d282 3812# define DEBUG_M_TEST (0)
cc8773c0 3813# define DEBUG_B_TEST (0)
7949c6f5
JC		 3814# define DEBUG_Xv_TEST (0)
3815# define DEBUG_Uv_TEST (0)
ad9e76a8 3816# define DEBUG_Pv_TEST (0)
aea4f609 3817
488b0c7a
JH		 3818# define PERL_DEB(a)
3819# define PERL_DEBUG(a)
aea4f609
DM		 3820# define DEBUG_p(a)
3821# define DEBUG_s(a)
3822# define DEBUG_l(a)
3823# define DEBUG_t(a)
3824# define DEBUG_o(a)
3825# define DEBUG_c(a)
3826# define DEBUG_P(a)
3827# define DEBUG_m(a)
3828# define DEBUG_f(a)
3829# define DEBUG_r(a)
3830# define DEBUG_x(a)
3831# define DEBUG_u(a)
88d2d28a 3832# define DEBUG_U(a)
aea4f609
DM		 3833# define DEBUG_H(a)
3834# define DEBUG_X(a)
3835# define DEBUG_D(a)
56967202 3836# define DEBUG_S(a)
aea4f609 3837# define DEBUG_T(a)
04932ac8 3838# define DEBUG_R(a)
d6721266 3839# define DEBUG_v(a)
46187eeb 3840# define DEBUG_C(a)
ecae49c0
NC		 3841# define DEBUG_A(a)
3842# define DEBUG_q(a)
d7c0d282 3843# define DEBUG_M(a)
cc8773c0 3844# define DEBUG_B(a)
7949c6f5
JC		 3845# define DEBUG_Xv(a)
3846# define DEBUG_Uv(a)
ad9e76a8 3847# define DEBUG_Pv(a)
aea4f609
DM		 3848#endif /* DEBUGGING */
3849
3850
b4ab917c 3851#define DEBUG_SCOPE(where) \
d9f81b50 3852 DEBUG_l( \
1c98cc53
DM		 3853 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
3854 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
d9f81b50 3855 __FILE__, __LINE__));
b4ab917c 3856
de84dc04
NC		 3857#if defined(DEBUGGING) && defined(I_ASSERT)
3858# include <assert.h>
3859#endif
3860
3861/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3862 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3863
de84dc04 3864#define Perl_assert(what) PERL_DEB( \
2b057284 3865 ((what) ? ((void) 0) : \
67eb4d30 3866 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3867 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3868 (void) 0)))
de84dc04
NC		 3869
3870#ifndef assert
3871# define assert(what) Perl_assert(what)
a446a88f 3872#endif
c7724415
FC		 3873#ifdef DEBUGGING
3874# define assert_(what) assert(what),
3875#else
3876# define assert_(what)
3877#endif
8d063cd8 3878
450a55e4 3879struct ufuncs {
24f81a43
DM		 3880 I32 (*uf_val)(pTHX_ IV, SV*);
3881 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3882 IV uf_index;
450a55e4
LW		 3883};
3884
14befaf4 3885/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3886 * XS code wanting to be backward compatible can do something
3887 * like the following:
c745e42c 3888
24f81a43 3889#ifndef PERL_MG_UFUNC
24f81a43
DM		 3890#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3891#endif
3892
3893static PERL_MG_UFUNC(foo_get, index, val)
3894{
3895 sv_setsv(val, ...);
3896 return TRUE;
3897}
3898
3899-- Doug MacEachern
3900
3901*/
3902
fc9c74e6 3903#ifndef PERL_MG_UFUNC
24f81a43 3904#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3905#endif
24f81a43 3906
fe14fcc3 3907/* Fix these up for __STDC__ */
68dc0745 3908#ifndef DONT_DECLARE_STD
20ce7b12 3909char *mktemp (char*);
37bd1396 3910#ifndef atof
20ce7b12 3911double atof (const char*);
a0d0e21e 3912#endif
37bd1396 3913#endif
79072805 3914
352d5a3a 3915#ifndef STANDARD_C
fe14fcc3 3916/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3917Time_t time();
8d063cd8 3918struct tm *gmtime(), *localtime();
092bebab 3919#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3920char *(strchr)(), *(strrchr)();
3921char *(strcpy)(), *(strcat)();
3922#else
93a17b20 3923char *strchr(), *strrchr();
378cc40b 3924char *strcpy(), *strcat();
9d116dd7 3925#endif
352d5a3a 3926#endif /* ! STANDARD_C */
8d063cd8 3927
79072805
LW		 3928
3929#ifdef I_MATH
3930# include <math.h>
3931#else
32f822de 3932START_EXTERN_C
20ce7b12
GS		 3933 double exp (double);
3934 double log (double);
3935 double log10 (double);
3936 double sqrt (double);
3937 double frexp (double,int*);
3938 double ldexp (double,int);
3939 double modf (double,double*);
3940 double sin (double);
3941 double cos (double);
3942 double atan2 (double,double);
3943 double pow (double,double);
32f822de 3944END_EXTERN_C
79072805
LW		 3945#endif
3946
aa8b85de
JH		 3947#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3948# define NV_INF LDBL_INFINITY
3949#endif
3950#if !defined(NV_INF) && defined(DBL_INFINITY)
3951# define NV_INF (NV)DBL_INFINITY
3952#endif
3953#if !defined(NV_INF) && defined(INFINITY)
3954# define NV_INF (NV)INFINITY
3955#endif
3956#if !defined(NV_INF) && defined(INF)
3957# define NV_INF (NV)INF
3958#endif
3959#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3960# define NV_INF (NV)HUGE_VALL
3961#endif
3962#if !defined(NV_INF) && defined(HUGE_VAL)
3963# define NV_INF (NV)HUGE_VAL
3964#endif
3965
3966#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3967# if !defined(NV_NAN) && defined(LDBL_NAN)
3968# define NV_NAN LDBL_NAN
3969# endif
3970# if !defined(NV_NAN) && defined(LDBL_QNAN)
3971# define NV_NAN LDBL_QNAN
3972# endif
3973# if !defined(NV_NAN) && defined(LDBL_SNAN)
3974# define NV_NAN LDBL_SNAN
3975# endif
3976#endif
3977#if !defined(NV_NAN) && defined(DBL_NAN)
3978# define NV_NAN (NV)DBL_NAN
3979#endif
3980#if !defined(NV_NAN) && defined(DBL_QNAN)
3981# define NV_NAN (NV)DBL_QNAN
3982#endif
3983#if !defined(NV_NAN) && defined(DBL_SNAN)
3984# define NV_NAN (NV)DBL_SNAN
3985#endif
3986#if !defined(NV_NAN) && defined(QNAN)
3987# define NV_NAN (NV)QNAN
3988#endif
3989#if !defined(NV_NAN) && defined(SNAN)
3990# define NV_NAN (NV)SNAN
3991#endif
3992#if !defined(NV_NAN) && defined(NAN)
3993# define NV_NAN (NV)NAN
3994#endif
3995
a0d0e21e 3996#ifndef __cplusplus
8f1f23e8 3997# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3998char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3999# else
fd8cd3a3 4000# if !defined(WIN32) && !defined(VMS)
10bc17b6 4001#ifndef crypt
20ce7b12 4002char *crypt (const char*, const char*);
10bc17b6 4003#endif
5014db98 4004# endif /* !WIN32 */
8f1f23e8 4005# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 4006# ifndef DONT_DECLARE_STD
4007# ifndef getenv
20ce7b12 4008char *getenv (const char*);
26618a56 4009# endif /* !getenv */
28ca6303 4010# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 4011# ifdef _FILE_OFFSET_BITS
28ca6303 4012# if _FILE_OFFSET_BITS == 64
20ce7b12 4013Off_t lseek (int,Off_t,int);
0fc67700
JH		 4014# endif
4015# endif
bf0c440f 4016# endif
26618a56 4017# endif /* !DONT_DECLARE_STD */
10bc17b6 4018#ifndef getlogin
20ce7b12 4019char *getlogin (void);
10bc17b6 4020#endif
26618a56 4021#endif /* !__cplusplus */
79072805 4022
7a7fd8e0
JM		 4023/* Fixme on VMS. This needs to be a run-time, not build time options */
4024/* Also rename() is affected by this */
16d20bd9 4025#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 4026#define UNLINK unlnk
083639a9 4027I32 unlnk (pTHX_ const char*);
8d063cd8 4028#else
80252599 4029#define UNLINK PerlLIO_unlink
8d063cd8 4030#endif
a687059c 4031
fa0a29af
JH		 4032/* some versions of glibc are missing the setresuid() proto */
4033#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 4034int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4035#endif
fa0a29af
JH		 4036/* some versions of glibc are missing the setresgid() proto */
4037#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 4038int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4039#endif
4040
fe14fcc3 4041#ifndef HAS_SETREUID
85e6fe83
LW		 4042# ifdef HAS_SETRESUID
4043# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4044# define HAS_SETREUID
4045# endif
a687059c 4046#endif
fe14fcc3 4047#ifndef HAS_SETREGID
85e6fe83
LW		 4048# ifdef HAS_SETRESGID
4049# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4050# define HAS_SETREGID
4051# endif
a687059c 4052#endif
ee0007ab 4053
d543acb6 4054/* Sighandler_t defined in iperlsys.h */
ff68c719 4055
4056#ifdef HAS_SIGACTION
4057typedef struct sigaction Sigsave_t;
4058#else
4059typedef Sighandler_t Sigsave_t;
4060#endif
4061
ee0007ab
LW		 4062#define SCAN_DEF 0
4063#define SCAN_TR 1
4064#define SCAN_REPL 2
79072805
LW		 4065
4066#ifdef DEBUGGING
4633a7c4 4067# ifndef register
a0d0e21e
LW		 4068# define register
4069# endif
cea2e8a9 4070# define RUNOPS_DEFAULT Perl_runops_debug
79072805 4071#else
cea2e8a9 4072# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 4073#endif
4074
6cb8cb21 4075#ifdef USE_PERLIO
0934c9d9 4076EXTERN_C void PerlIO_teardown(void);
2f44961c 4077# ifdef USE_ITHREADS
6cb8cb21
RGS		 4078# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4079# define PERLIO_TERM \
4080 STMT_START { \
d0820ef1 4081 PerlIO_teardown(); \
6cb8cb21
RGS		 4082 MUTEX_DESTROY(&PL_perlio_mutex);\
4083 } STMT_END
4084# else
4085# define PERLIO_INIT
d0820ef1 4086# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 4087# endif
6b29934b
NC		 4088#else
4089# define PERLIO_INIT
4090# define PERLIO_TERM
6cb8cb21
RGS		 4091#endif
4092
18f739ee 4093#ifdef MYMALLOC
772fe5b3 4094# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 4095# define MALLOC_INIT \
4096 STMT_START { \
4097 PL_malloc_mutex = NULL; \
4098 MUTEX_INIT(&PL_malloc_mutex); \
4099 } STMT_END
4100# define MALLOC_TERM \
4101 STMT_START { \
4102 perl_mutex tmp = PL_malloc_mutex; \
4103 PL_malloc_mutex = NULL; \
4104 MUTEX_DESTROY(&tmp); \
4105 } STMT_END
4106# else
4107# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4108# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4109# endif
18f739ee
IZ		 4110#else
4111# define MALLOC_INIT
4112# define MALLOC_TERM
4113#endif
4114
cd1541b2 4115#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 4116
4117struct perl_memory_debug_header;
cd1541b2
NC		 4118struct perl_memory_debug_header {
4119 tTHX interpreter;
4120# ifdef PERL_POISON
4121 MEM_SIZE size;
cd1541b2 4122# endif
7cb608b5
NC		 4123 struct perl_memory_debug_header *prev;
4124 struct perl_memory_debug_header *next;
cd1541b2
NC		 4125};
4126
4127# define sTHX (sizeof(struct perl_memory_debug_header) + \
4128 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4129 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4130
d8fca402
NC		 4131#else
4132# define sTHX 0
cd1541b2
NC		 4133#endif
4134
7cb608b5
NC		 4135#ifdef PERL_TRACK_MEMPOOL
4136# define INIT_TRACK_MEMPOOL(header, interp) \
4137 STMT_START { \
4138 (header).interpreter = (interp); \
4139 (header).prev = (header).next = &(header); \
4140 } STMT_END
4141# else
4142# define INIT_TRACK_MEMPOOL(header, interp)
4143#endif
4144
1cd66f7c
DD		 4145#ifdef I_MALLOCMALLOC
4146/* Needed for malloc_size(), malloc_good_size() on some systems */
4147# include <malloc/malloc.h>
4148#endif
4149
ca7c1a29
NC		 4150#ifdef MYMALLOC
4151# define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
cfe52898 4152#else
e82be400
NC		 4153# ifdef HAS_MALLOC_SIZE
4154# ifdef PERL_TRACK_MEMPOOL
cfe52898
RGS		 4155# define Perl_safesysmalloc_size(where) \
4156 (malloc_size(((char *)(where)) - sTHX) - sTHX)
e82be400
NC		 4157# else
4158# define Perl_safesysmalloc_size(where) malloc_size(where)
4159# endif
4160# endif
4161# ifdef HAS_MALLOC_GOOD_SIZE
4162# ifdef PERL_TRACK_MEMPOOL
d8fca402
NC		 4163# define Perl_malloc_good_size(how_much) \
4164 (malloc_good_size((how_much) + sTHX) - sTHX)
e82be400
NC		 4165# else
4166# define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4167# endif
4168# else
d8fca402
NC		 4169/* Having this as the identity operation makes some code simpler. */
4170# define Perl_malloc_good_size(how_much) (how_much)
e82be400 4171# endif
ca7c1a29 4172#endif
b6d9d515 4173
16c91539
BM		 4174typedef int (*runops_proc_t)(pTHX);
4175typedef void (*share_proc_t) (pTHX_ SV *sv);
4176typedef int (*thrhook_proc_t) (pTHX);
4177typedef OP* (*PPADDR_t[]) (pTHX);
4178typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4179typedef void (*despatch_signals_proc_t) (pTHX);
22c35a8c 4180
8f1f23e8
W		 4181/* NeXT has problems with crt0.o globals */
4182#if defined(__DYNAMIC__) && \
6239f2da 4183 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 4184# if defined(NeXT) || defined(__NeXT)
4185# include <mach-o/dyld.h>
4186# define environ (*environ_pointer)
0c30d9ec 4187EXT char *** environ_pointer;
8f1f23e8 4188# else
6239f2da 4189# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 4190# include <crt_externs.h> /* for the env array */
4191# define environ (*_NSGetEnviron())
4192# endif
0c30d9ec 4193# endif
8f1f23e8
W		 4194#else
4195 /* VMS and some other platforms don't use the environ array */
13b6e58c 4196# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 4197# if !defined(DONT_DECLARE_STD) || \
4198 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
4199 defined(__sgi) || \
d460ef45 4200 defined(__DGUX)
8f1f23e8 4201extern char ** environ; /* environment variables supplied via exec */
a6c40364 4202# endif
8f1f23e8
W		 4203# endif
4204#endif
79072805 4205
457c5385
NC		 4206#define PERL_PATCHLEVEL_H_IMPLICIT
4207#include "patchlevel.h"
4208#undef PERL_PATCHLEVEL_H_IMPLICIT
4209
4210#define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4211 STRINGIFY(PERL_VERSION) "." \
4212 STRINGIFY(PERL_SUBVERSION)
4213
4214#define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4215 STRINGIFY(PERL_API_VERSION) "." \
4216 STRINGIFY(PERL_API_SUBVERSION)
4217
73c4f7a1
GS		 4218START_EXTERN_C
4219
79072805 4220/* handy constants */
22c35a8c 4221EXTCONST char PL_warn_uninit[]
29489e7c 4222 INIT("Use of uninitialized value%s%s%s");
fef7e7a0
BF		 4223EXTCONST char PL_warn_uninit_sv[]
4224 INIT("Use of uninitialized value%"SVf"%s%s");
22c35a8c 4225EXTCONST char PL_warn_nosemi[]
463ee0b2 4226 INIT("Semicolon seems to be missing");
22c35a8c 4227EXTCONST char PL_warn_reserved[]
463ee0b2 4228 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4229EXTCONST char PL_warn_nl[]
93a17b20 4230 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4231EXTCONST char PL_no_wrongref[]
a0d0e21e 4232 INIT("Can't use %s ref as %s ref");
def89bff
NC		 4233/* The core no longer needs these here. If you require the string constant,
4234 please inline a copy into your own code. */
973a7615
NC		 4235EXTCONST char PL_no_symref[] __attribute__deprecated__
4236 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
def89bff
NC		 4237EXTCONST char PL_no_symref_sv[] __attribute__deprecated__
4238 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 4239EXTCONST char PL_no_usym[]
8990e307 4240 INIT("Can't use an undefined value as %s reference");
22c35a8c 4241EXTCONST char PL_no_aelem[]
93a17b20 4242 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4243EXTCONST char PL_no_helem_sv[]
d04ff51e 4244 INIT("Modification of non-creatable hash value attempted, subscript \"%"SVf"\"");
22c35a8c 4245EXTCONST char PL_no_modify[]
93a17b20 4246 INIT("Modification of a read-only value attempted");
22c35a8c 4247EXTCONST char PL_no_mem[]
93a17b20 4248 INIT("Out of memory!\n");
22c35a8c 4249EXTCONST char PL_no_security[]
463ee0b2 4250 INIT("Insecure dependency in %s%s");
22c35a8c 4251EXTCONST char PL_no_sock_func[]
93a17b20 4252 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4253EXTCONST char PL_no_dir_func[]
93a17b20 4254 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4255EXTCONST char PL_no_func[]
93a17b20 4256 INIT("The %s function is unimplemented");
22c35a8c 4257EXTCONST char PL_no_myglob[]
952306ac 4258 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 4259EXTCONST char PL_no_localize_ref[]
4260 INIT("Can't localize through a reference");
27d5b266
JH		 4261EXTCONST char PL_memory_wrap[]
4262 INIT("panic: memory wrap");
93a17b20 4263
58f645e2
NC		 4264EXTCONST char PL_Yes[]
4265 INIT("1");
4266EXTCONST char PL_No[]
4267 INIT("");
4268EXTCONST char PL_hexdigit[]
4269 INIT("0123456789abcdef0123456789ABCDEF");
4270
0447859b
NC		 4271/* This is constant on most architectures, a global on OS/2 */
4272#ifndef OS2
4273EXTCONST char PL_sh_path[]
4274 INIT(SH_PATH); /* full path of shell */
4275#endif
4276
618b9757
NC		 4277#ifdef CSH
4278EXTCONST char PL_cshname[]
4279 INIT(CSH);
4280# define PL_cshlen (sizeof(CSH "") - 1)
4281#endif
4282
457c5385
NC		 4283/* These are baked at compile time into any shared perl library.
4284 In future releases this will allow us in main() to sanity test the
4285 library we're linking against. */
4286
4287EXTCONST U8 PL_revision
4288 INIT(PERL_REVISION);
4289EXTCONST U8 PL_version
4290 INIT(PERL_VERSION);
4291EXTCONST U8 PL_subversion
4292 INIT(PERL_SUBVERSION);
4293
7575fa06 4294EXTCONST char PL_uuemap[65]
80252599
GS		 4295 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4296
79072805 4297#ifdef DOINIT
9444d213 4298EXTCONST char PL_uudmap[256] =
dde5ec2c
NC		 4299# ifdef PERL_MICRO
4300# include "uuudmap.h"
4301# else
4302# include "uudmap.h"
4303# endif
9444d213 4304;
efa50c51 4305EXTCONST char PL_bitcount[256] =
dde5ec2c
NC		 4306# ifdef PERL_MICRO
4307# include "ubitcount.h"
4308#else
4309# include "bitcount.h"
4310# endif
efa50c51 4311;
27da23d5
JH		 4312EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4313EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4314#else
9444d213 4315EXTCONST char PL_uudmap[256];
efa50c51 4316EXTCONST char PL_bitcount[256];
27da23d5
JH		 4317EXTCONST char* const PL_sig_name[];
4318EXTCONST int PL_sig_num[];
79072805
LW		 4319#endif
4320
6d8e7a01
KW		 4321/* fast conversion and case folding tables. The folding tables complement the
4322 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4323 * folds such as outside the range or to multiple characters. */
bbce6d69 4324
79072805 4325#ifdef DOINIT
d02f4dad
KW		 4326#ifndef EBCDIC
4327
4328/* The EBCDIC fold table depends on the code page, and hence is found in
4329 * utfebcdic.h */
4330
22c35a8c 4331EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4332 0, 1, 2, 3, 4, 5, 6, 7,
4333 8, 9, 10, 11, 12, 13, 14, 15,
4334 16, 17, 18, 19, 20, 21, 22, 23,
4335 24, 25, 26, 27, 28, 29, 30, 31,
4336 32, 33, 34, 35, 36, 37, 38, 39,
4337 40, 41, 42, 43, 44, 45, 46, 47,
4338 48, 49, 50, 51, 52, 53, 54, 55,
4339 56, 57, 58, 59, 60, 61, 62, 63,
4340 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4341 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4342 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4343 'x', 'y', 'z', 91, 92, 93, 94, 95,
4344 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4345 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4346 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4347 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4348 128, 129, 130, 131, 132, 133, 134, 135,
4349 136, 137, 138, 139, 140, 141, 142, 143,
4350 144, 145, 146, 147, 148, 149, 150, 151,
4351 152, 153, 154, 155, 156, 157, 158, 159,
4352 160, 161, 162, 163, 164, 165, 166, 167,
4353 168, 169, 170, 171, 172, 173, 174, 175,
4354 176, 177, 178, 179, 180, 181, 182, 183,
4355 184, 185, 186, 187, 188, 189, 190, 191,
4356 192, 193, 194, 195, 196, 197, 198, 199,
4357 200, 201, 202, 203, 204, 205, 206, 207,
4358 208, 209, 210, 211, 212, 213, 214, 215,
4359 216, 217, 218, 219, 220, 221, 222, 223,
4360 224, 225, 226, 227, 228, 229, 230, 231,
4361 232, 233, 234, 235, 236, 237, 238, 239,
4362 240, 241, 242, 243, 244, 245, 246, 247,
4363 248, 249, 250, 251, 252, 253, 254, 255
4364};
3871f40b
KW		 4365EXTCONST unsigned char PL_fold_latin1[] = {
4366 /* Full latin1 complement folding, except for three problematic code points:
4367 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4368 * fold complements outside the Latin1 range, so can't match something
4369 * that isn't in utf8.
4370 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4371 * not one, so can't be represented in this table.
4372 *
4373 * All have to be specially handled */
4374 0, 1, 2, 3, 4, 5, 6, 7,
4375 8, 9, 10, 11, 12, 13, 14, 15,
4376 16, 17, 18, 19, 20, 21, 22, 23,
4377 24, 25, 26, 27, 28, 29, 30, 31,
4378 32, 33, 34, 35, 36, 37, 38, 39,
4379 40, 41, 42, 43, 44, 45, 46, 47,
4380 48, 49, 50, 51, 52, 53, 54, 55,
4381 56, 57, 58, 59, 60, 61, 62, 63,
4382 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4383 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4384 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4385 'x', 'y', 'z', 91, 92, 93, 94, 95,
4386 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4387 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4388 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4389 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4390 128, 129, 130, 131, 132, 133, 134, 135,
4391 136, 137, 138, 139, 140, 141, 142, 143,
4392 144, 145, 146, 147, 148, 149, 150, 151,
4393 152, 153, 154, 155, 156, 157, 158, 159,
4394 160, 161, 162, 163, 164, 165, 166, 167,
4395 168, 169, 170, 171, 172, 173, 174, 175,
4396 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4397 184, 185, 186, 187, 188, 189, 190, 191,
4398 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4399 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4400 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4401 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4402 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4403 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4404 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4405 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4406 255 /* y with diaeresis */
4407};
00f254e2
KW		 4408#endif /* !EBCDIC, but still in DOINIT */
4409
4410/* If these tables are accessed through ebcdic, the access will be converted to
4411 * latin1 first */
4412EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4413 0, 1, 2, 3, 4, 5, 6, 7,
4414 8, 9, 10, 11, 12, 13, 14, 15,
4415 16, 17, 18, 19, 20, 21, 22, 23,
4416 24, 25, 26, 27, 28, 29, 30, 31,
4417 32, 33, 34, 35, 36, 37, 38, 39,
4418 40, 41, 42, 43, 44, 45, 46, 47,
4419 48, 49, 50, 51, 52, 53, 54, 55,
4420 56, 57, 58, 59, 60, 61, 62, 63,
4421 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4422 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4423 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4424 'x', 'y', 'z', 91, 92, 93, 94, 95,
4425 96, 97, 98, 99, 100, 101, 102, 103,
4426 104, 105, 106, 107, 108, 109, 110, 111,
4427 112, 113, 114, 115, 116, 117, 118, 119,
4428 120, 121, 122, 123, 124, 125, 126, 127,
4429 128, 129, 130, 131, 132, 133, 134, 135,
4430 136, 137, 138, 139, 140, 141, 142, 143,
4431 144, 145, 146, 147, 148, 149, 150, 151,
4432 152, 153, 154, 155, 156, 157, 158, 159,
4433 160, 161, 162, 163, 164, 165, 166, 167,
4434 168, 169, 170, 171, 172, 173, 174, 175,
4435 176, 177, 178, 179, 180, 181, 182, 183,
4436 184, 185, 186, 187, 188, 189, 190, 191,
4437 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4438 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4439 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4440 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4441 224, 225, 226, 227, 228, 229, 230, 231,
4442 232, 233, 234, 235, 236, 237, 238, 239,
4443 240, 241, 242, 243, 244, 245, 246, 247,
4444 248, 249, 250, 251, 252, 253, 254, 255
4445};
4446
4447/* upper and title case of latin1 characters, modified so that the three tricky
4448 * ones are mapped to 255 (which is one of the three) */
4449EXTCONST unsigned char PL_mod_latin1_uc[] = {
4450 0, 1, 2, 3, 4, 5, 6, 7,
4451 8, 9, 10, 11, 12, 13, 14, 15,
4452 16, 17, 18, 19, 20, 21, 22, 23,
4453 24, 25, 26, 27, 28, 29, 30, 31,
4454 32, 33, 34, 35, 36, 37, 38, 39,
4455 40, 41, 42, 43, 44, 45, 46, 47,
4456 48, 49, 50, 51, 52, 53, 54, 55,
4457 56, 57, 58, 59, 60, 61, 62, 63,
4458 64, 65, 66, 67, 68, 69, 70, 71,
4459 72, 73, 74, 75, 76, 77, 78, 79,
4460 80, 81, 82, 83, 84, 85, 86, 87,
4461 88, 89, 90, 91, 92, 93, 94, 95,
4462 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4463 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4464 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4465 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4466 128, 129, 130, 131, 132, 133, 134, 135,
4467 136, 137, 138, 139, 140, 141, 142, 143,
4468 144, 145, 146, 147, 148, 149, 150, 151,
4469 152, 153, 154, 155, 156, 157, 158, 159,
4470 160, 161, 162, 163, 164, 165, 166, 167,
4471 168, 169, 170, 171, 172, 173, 174, 175,
4472 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4473 184, 185, 186, 187, 188, 189, 190, 191,
4474 192, 193, 194, 195, 196, 197, 198, 199,
4475 200, 201, 202, 203, 204, 205, 206, 207,
4476 208, 209, 210, 211, 212, 213, 214, 215,
4477 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/,
4478 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4479 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4480 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4481 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4482};
4483#else /* ! DOINIT */
22c35a8c 4484EXTCONST unsigned char PL_fold[];
3871f40b 4485EXTCONST unsigned char PL_fold_latin1[];
00f254e2
KW		 4486EXTCONST unsigned char PL_mod_latin1_uc[];
4487EXTCONST unsigned char PL_latin1_lc[];
79072805
LW		 4488#endif
4489
27da23d5 4490#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4491#ifdef DOINIT
27da23d5 4492EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4493 0, 1, 2, 3, 4, 5, 6, 7,
4494 8, 9, 10, 11, 12, 13, 14, 15,
4495 16, 17, 18, 19, 20, 21, 22, 23,
4496 24, 25, 26, 27, 28, 29, 30, 31,
4497 32, 33, 34, 35, 36, 37, 38, 39,
4498 40, 41, 42, 43, 44, 45, 46, 47,
4499 48, 49, 50, 51, 52, 53, 54, 55,
4500 56, 57, 58, 59, 60, 61, 62, 63,
4501 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4502 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4503 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4504 'x', 'y', 'z', 91, 92, 93, 94, 95,
4505 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4506 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4507 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4508 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4509 128, 129, 130, 131, 132, 133, 134, 135,
4510 136, 137, 138, 139, 140, 141, 142, 143,
4511 144, 145, 146, 147, 148, 149, 150, 151,
4512 152, 153, 154, 155, 156, 157, 158, 159,
4513 160, 161, 162, 163, 164, 165, 166, 167,
4514 168, 169, 170, 171, 172, 173, 174, 175,
4515 176, 177, 178, 179, 180, 181, 182, 183,
4516 184, 185, 186, 187, 188, 189, 190, 191,
4517 192, 193, 194, 195, 196, 197, 198, 199,
4518 200, 201, 202, 203, 204, 205, 206, 207,
4519 208, 209, 210, 211, 212, 213, 214, 215,
4520 216, 217, 218, 219, 220, 221, 222, 223,
4521 224, 225, 226, 227, 228, 229, 230, 231,
4522 232, 233, 234, 235, 236, 237, 238, 239,
4523 240, 241, 242, 243, 244, 245, 246, 247,
4524 248, 249, 250, 251, 252, 253, 254, 255
4525};
4526#else
27da23d5 4527EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4528#endif
27da23d5 4529#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4530
4531#ifdef DOINIT
9d116dd7 4532#ifdef EBCDIC
27da23d5 4533EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4534 1, 2, 84, 151, 154, 155, 156, 157,
4535 165, 246, 250, 3, 158, 7, 18, 29,
4536 40, 51, 62, 73, 85, 96, 107, 118,
4537 129, 140, 147, 148, 149, 150, 152, 153,
4538 255, 6, 8, 9, 10, 11, 12, 13,
4539 14, 15, 24, 25, 26, 27, 28, 226,
4540 29, 30, 31, 32, 33, 43, 44, 45,
4541 46, 47, 48, 49, 50, 76, 77, 78,
4542 79, 80, 81, 82, 83, 84, 85, 86,
4543 87, 94, 95, 234, 181, 233, 187, 190,
4544 180, 96, 97, 98, 99, 100, 101, 102,
4545 104, 112, 182, 174, 236, 232, 229, 103,
4546 228, 226, 114, 115, 116, 117, 118, 119,
4547 120, 121, 122, 235, 176, 230, 194, 162,
4548 130, 131, 132, 133, 134, 135, 136, 137,
4549 138, 139, 201, 205, 163, 217, 220, 224,
4550 5, 248, 227, 244, 242, 255, 241, 231,
4551 240, 253, 16, 197, 19, 20, 21, 187,
4552 23, 169, 210, 245, 237, 249, 247, 239,
4553 168, 252, 34, 196, 36, 37, 38, 39,
4554 41, 42, 251, 254, 238, 223, 221, 213,
4555 225, 177, 52, 53, 54, 55, 56, 57,
4556 58, 59, 60, 61, 63, 64, 65, 66,
4557 67, 68, 69, 70, 71, 72, 74, 75,
4558 205, 208, 186, 202, 200, 218, 198, 179,
4559 178, 214, 88, 89, 90, 91, 92, 93,
4560 217, 166, 170, 207, 199, 209, 206, 204,
4561 160, 212, 105, 106, 108, 109, 110, 111,
4562 203, 113, 216, 215, 192, 175, 193, 243,
4563 172, 161, 123, 124, 125, 126, 127, 128,
4564 222, 219, 211, 195, 188, 193, 185, 184,
4565 191, 183, 141, 142, 143, 144, 145, 146
4566};
4567#else /* ascii rather than ebcdic */
22c35a8c 4568EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4569 1, 2, 84, 151, 154, 155, 156, 157,
4570 165, 246, 250, 3, 158, 7, 18, 29,
4571 40, 51, 62, 73, 85, 96, 107, 118,
4572 129, 140, 147, 148, 149, 150, 152, 153,
4573 255, 182, 224, 205, 174, 176, 180, 217,
4574 233, 232, 236, 187, 235, 228, 234, 226,
4575 222, 219, 211, 195, 188, 193, 185, 184,
4576 191, 183, 201, 229, 181, 220, 194, 162,
4577 163, 208, 186, 202, 200, 218, 198, 179,
4578 178, 214, 166, 170, 207, 199, 209, 206,
4579 204, 160, 212, 216, 215, 192, 175, 173,
4580 243, 172, 161, 190, 203, 189, 164, 230,
4581 167, 248, 227, 244, 242, 255, 241, 231,
4582 240, 253, 169, 210, 245, 237, 249, 247,
4583 239, 168, 252, 251, 254, 238, 223, 221,
4584 213, 225, 177, 197, 171, 196, 159, 4,
4585 5, 6, 8, 9, 10, 11, 12, 13,
4586 14, 15, 16, 17, 19, 20, 21, 22,
4587 23, 24, 25, 26, 27, 28, 30, 31,
4588 32, 33, 34, 35, 36, 37, 38, 39,
4589 41, 42, 43, 44, 45, 46, 47, 48,
4590 49, 50, 52, 53, 54, 55, 56, 57,
4591 58, 59, 60, 61, 63, 64, 65, 66,
4592 67, 68, 69, 70, 71, 72, 74, 75,
4593 76, 77, 78, 79, 80, 81, 82, 83,
4594 86, 87, 88, 89, 90, 91, 92, 93,
4595 94, 95, 97, 98, 99, 100, 101, 102,
4596 103, 104, 105, 106, 108, 109, 110, 111,
4597 112, 113, 114, 115, 116, 117, 119, 120,
4598 121, 122, 123, 124, 125, 126, 127, 128,
4599 130, 131, 132, 133, 134, 135, 136, 137,
4600 138, 139, 141, 142, 143, 144, 145, 146
4601};
9d116dd7 4602#endif
79072805 4603#else
22c35a8c 4604EXTCONST unsigned char PL_freq[];
79072805
LW		 4605#endif
4606
b0812ba3
DM		 4607/* Although only used for debugging, these constants must be available in
4608 * non-debugging builds too, since they're used in ext/re/re_exec.c,
4609 * which has DEBUGGING enabled always */
8990e307 4610#ifdef DOINIT
27da23d5 4611EXTCONST char* const PL_block_type[] = {
8990e307 4612 "NULL",
d01136d6 4613 "WHEN",
8990e307 4614 "BLOCK",
0d863452 4615 "GIVEN",
d01136d6
BS		 4616 "LOOP_FOR",
4617 "LOOP_PLAIN",
4618 "LOOP_LAZYSV",
4619 "LOOP_LAZYIV",
76753e7f
NC		 4620 "SUB",
4621 "FORMAT",
4622 "EVAL",
4623 "SUBST"
8990e307
LW		 4624};
4625#else
22c35a8c 4626EXTCONST char* PL_block_type[];
8990e307 4627#endif
8990e307 4628
b75885fd
NC		 4629/* These are all the compile time options that affect binary compatibility.
4630 Other compile time options that are binary compatible are in perl.c
4631 Both are combined for the output of perl -V
4632 However, this string will be embedded in any shared perl library, which will
4633 allow us add a comparison check in perlmain.c in the near future. */
4634#ifdef DOINIT
4635EXTCONST char PL_bincompat_options[] =
4636# ifdef DEBUG_LEAKING_SCALARS
4637 " DEBUG_LEAKING_SCALARS"
4638# endif
4639# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4640 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4641# endif
4642# ifdef FAKE_THREADS
4643 " FAKE_THREADS"
4644# endif
eba804b9
NC		 4645# ifdef FCRYPT
4646 " FCRYPT"
4647# endif
4648# ifdef HAS_TIMES
4649 " HAS_TIMES"
4650# endif
4651# ifdef HAVE_INTERP_INTERN
426f6eb2 4652 " HAVE_INTERP_INTERN"
eba804b9 4653# endif
b75885fd
NC		 4654# ifdef MULTIPLICITY
4655 " MULTIPLICITY"
4656# endif
4657# ifdef MYMALLOC
4658 " MYMALLOC"
4659# endif
eba804b9
NC		 4660# ifdef PERLIO_LAYERS
4661 " PERLIO_LAYERS"
4662# endif
b75885fd
NC		 4663# ifdef PERL_DEBUG_READONLY_OPS
4664 " PERL_DEBUG_READONLY_OPS"
4665# endif
4666# ifdef PERL_GLOBAL_STRUCT
4667 " PERL_GLOBAL_STRUCT"
4668# endif
4669# ifdef PERL_IMPLICIT_CONTEXT
4670 " PERL_IMPLICIT_CONTEXT"
4671# endif
4672# ifdef PERL_IMPLICIT_SYS
4673 " PERL_IMPLICIT_SYS"
4674# endif
4675# ifdef PERL_MAD
4676 " PERL_MAD"
4677# endif
eba804b9
NC		 4678# ifdef PERL_MICRO
4679 " PERL_MICRO"
4680# endif
b75885fd
NC		 4681# ifdef PERL_NEED_APPCTX
4682 " PERL_NEED_APPCTX"
4683# endif
4684# ifdef PERL_NEED_TIMESBASE
4685 " PERL_NEED_TIMESBASE"
4686# endif
4687# ifdef PERL_OLD_COPY_ON_WRITE
4688 " PERL_OLD_COPY_ON_WRITE"
4689# endif
4690# ifdef PERL_POISON
4691 " PERL_POISON"
4692# endif
4693# ifdef PERL_TRACK_MEMPOOL
4694 " PERL_TRACK_MEMPOOL"
4695# endif
4696# ifdef PERL_USES_PL_PIDSTATUS
4697 " PERL_USES_PL_PIDSTATUS"
4698# endif
b75885fd
NC		 4699# ifdef USE_64_BIT_ALL
4700 " USE_64_BIT_ALL"
4701# endif
4702# ifdef USE_64_BIT_INT
4703 " USE_64_BIT_INT"
4704# endif
c7b392fa
NC		 4705# ifdef USE_IEEE
4706 " USE_IEEE"
4707# endif
b75885fd
NC		 4708# ifdef USE_ITHREADS
4709 " USE_ITHREADS"
4710# endif
4711# ifdef USE_LARGE_FILES
4712 " USE_LARGE_FILES"
4713# endif
eba804b9
NC		 4714# ifdef USE_LOCALE_COLLATE
4715 " USE_LOCALE_COLLATE"
4716# endif
4717# ifdef USE_LOCALE_NUMERIC
4718 " USE_LOCALE_NUMERIC"
4719# endif
b75885fd
NC		 4720# ifdef USE_LONG_DOUBLE
4721 " USE_LONG_DOUBLE"
4722# endif
4723# ifdef USE_PERLIO
4724 " USE_PERLIO"
4725# endif
4726# ifdef USE_REENTRANT_API
4727 " USE_REENTRANT_API"
4728# endif
4729# ifdef USE_SFIO
4730 " USE_SFIO"
4731# endif
4732# ifdef USE_SOCKS
4733 " USE_SOCKS"
4734# endif
4f575702
CB		 4735# ifdef VMS_DO_SOCKETS
4736 " VMS_DO_SOCKETS"
4f575702 4737# endif
e8b231c6
CB		 4738# ifdef VMS_SHORTEN_LONG_SYMBOLS
4739 " VMS_SHORTEN_LONG_SYMBOLS"
4740# endif
ad5e438d
NC		 4741# ifdef VMS_WE_ARE_CASE_SENSITIVE
4742 " VMS_SYMBOL_CASE_AS_IS"
4743# endif
a68dd89e 4744 "";
b75885fd
NC		 4745#else
4746EXTCONST char PL_bincompat_options[];
4747#endif
4748
ca7b837b
SM		 4749#ifndef PERL_SET_PHASE
4750# define PERL_SET_PHASE(new_phase) \
cb3f8189 4751 PHASE_CHANGE_PROBE(PL_phase_names[new_phase], PL_phase_names[PL_phase]); \
ca7b837b
SM		 4752 PL_phase = new_phase;
4753#endif
4754
9ebf26ad
FR		 4755/* The interpreter phases. If these ever change, PL_phase_names right below will
4756 * need to be updated accordingly. */
4757enum perl_phase {
4758 PERL_PHASE_CONSTRUCT = 0,
4759 PERL_PHASE_START = 1,
4760 PERL_PHASE_CHECK = 2,
4761 PERL_PHASE_INIT = 3,
4762 PERL_PHASE_RUN = 4,
4763 PERL_PHASE_END = 5,
4764 PERL_PHASE_DESTRUCT = 6
4765};
4766
4767#ifdef DOINIT
4768EXTCONST char *const PL_phase_names[] = {
4769 "CONSTRUCT",
4770 "START",
4771 "CHECK",
4772 "INIT",
4773 "RUN",
4774 "END",
4775 "DESTRUCT"
4776};
4777#else
4778EXTCONST char *const PL_phase_names[];
4779#endif
4780
627364f1
FR		 4781#ifndef PERL_CORE
4782/* Do not use this macro. It only exists for extensions that rely on PL_dirty
4783 * instead of using the newer PL_phase, which provides everything PL_dirty
4784 * provided, and more. */
4785# define PL_dirty (PL_phase == PERL_PHASE_DESTRUCT)
66978156
FC		 4786
4787# define PL_amagic_generation PL_na
627364f1
FR		 4788#endif /* !PERL_CORE */
4789
73c4f7a1
GS		 4790END_EXTERN_C
4791
79072805
LW		 4792/*****************************************************************************/
4793/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4794/*****************************************************************************/
8990e307 4795/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4796
d4c3c482 4797#ifdef __Lynx__
9cffb111
OS		 4798/* LynxOS defines these in scsi.h which is included via ioctl.h */
4799#ifdef FORMAT
4800#undef FORMAT
4801#endif
4802#ifdef SPACE
4803#undef SPACE
4804#endif
d4c3c482 4805#endif
9cffb111 4806
fb73857a 4807#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4808
79072805
LW		 4809typedef enum {
4810 XOPERATOR,
4811 XTERM,
79072805 4812 XREF,
8990e307 4813 XSTATE,
a0d0e21e 4814 XBLOCK,
09bef843
SB		 4815 XATTRBLOCK,
4816 XATTRTERM,
6f33ba73
RGS		 4817 XTERMBLOCK,
4818 XTERMORDORDOR /* evil hack */
27308ded 4819 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4820} expectation;
4821
d5ec2987
NC		 4822/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4823 special and there is no need for HINT_PRIVATE_MASK for COPs
4824 However, bitops store HINT_INTEGER in their op_private. */
9cfe5470
RGS		 4825#define HINT_INTEGER 0x00000001 /* integer pragma */
4826#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4827#define HINT_LOCALE 0x00000004 /* locale pragma */
4828#define HINT_BYTES 0x00000008 /* bytes pragma */
66cbab2c 4829#define HINT_LOCALE_NOT_CHARS 0x00000010 /* locale ':not_characters' pragma */
894ea76b
FC		 4830
4831#define HINT_EXPLICIT_STRICT_REFS 0x00000020 /* strict.pm */
4832#define HINT_EXPLICIT_STRICT_SUBS 0x00000040 /* strict.pm */
4833#define HINT_EXPLICIT_STRICT_VARS 0x00000080 /* strict.pm */
85e6fe83
LW		 4834
4835#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4836#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4837#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
1863b879 4838#define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */
85e6fe83 4839
9cfe5470 4840/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4841#define HINT_NEW_INTEGER 0x00001000
4842#define HINT_NEW_FLOAT 0x00002000
4843#define HINT_NEW_BINARY 0x00004000
4844#define HINT_NEW_STRING 0x00008000
4845#define HINT_NEW_RE 0x00010000
4846#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 4847#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4848#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 4849
9cfe5470
RGS		 4850#define HINT_RE_TAINT 0x00100000 /* re pragma */
4851#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4852
9cfe5470
RGS		 4853#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4854#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4855
e46c382e
YK		 4856#define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
4857
1e215989
FC		 4858#define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */
4859
a803b9b4
FC		 4860#define HINT_FEATURE_MASK 0x1c000000 /* 3 bits for feature bundles */
4861
894ea76b
FC		 4862 /* Note: Used for NATIVE_HINTS, currently
4863 defined by vms/vmsish.h:
4864 0x40000000
4865 0x80000000
4866 */
d1718a7c 4867
0239f47c 4868/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4869#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4870#define HINT_SORT_QUICKSORT 0x00000001
4871#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4872#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4873
8bfdd7d9 4874/* Various states of the input record separator SV (rs) */
d4cce5f1 4875#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4876#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4877#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4878#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4879
128e8167 4880/* A struct for keeping various DEBUGGING related stuff,
ce333219 4881 * neatly packed. Currently only scratch variables for
128e8167
JH		 4882 * constructing debug output are included. Needed always,
4883 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4884struct perl_debug_pad {
4885 SV pad[3];
4886};
4887
4888#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4889#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4890 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4891 PERL_DEBUG_PAD(i))
ce333219 4892
56953603 4893/* Enable variables which are pointers to functions */
16c91539
BM		 4894typedef void (*peep_t)(pTHX_ OP* o);
4895typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm);
4896typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg,
0cb96387
GS		 4897 char* strend, char* strbeg, I32 minend,
4898 SV* screamer, void* data, U32 flags);
16c91539 4899typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv,
f722798b
IZ		 4900 char *strpos, char *strend,
4901 U32 flags,
9f61653a 4902 re_scream_pos_data *d);
16c91539
BM		 4903typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog);
4904typedef void (*regfree_t) (pTHX_ struct regexp* r);
4905typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param);
a932d541 4906typedef I32 (*re_fold_t)(const char *, char const *, I32);
56953603 4907
c76ac1ee 4908typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc 4909typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
f30de749 4910typedef void (*SVFUNC_t) (pTHX_ SV* const);
31e9e0a3 4911typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
acfe0abc
GS		 4912typedef void (*XSINIT_t) (pTHX);
4913typedef void (*ATEXIT_t) (pTHX_ void*);
4914typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4915
16c91539
BM		 4916typedef OP* (*Perl_ppaddr_t)(pTHX);
4917typedef OP* (*Perl_check_t) (pTHX_ OP*);
4918typedef void(*Perl_ophook_t)(pTHX_ OP*);
4919typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**);
1830b3d9 4920typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *);
88e1f1a2 4921
d67594ff
FC		 4922typedef void(*globhook_t)(pTHX);
4923
88e1f1a2
JV		 4924#define KEYWORD_PLUGIN_DECLINE 0
4925#define KEYWORD_PLUGIN_STMT 1
4926#define KEYWORD_PLUGIN_EXPR 2
22239a37 4927
58a50f62
GS		 4928/* Interpreter exitlist entry */
4929typedef struct exitlistentry {
acfe0abc 4930 void (*fn) (pTHX_ void*);
58a50f62
GS		 4931 void *ptr;
4932} PerlExitListEntry;
4933
aadb217d
JH		 4934/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4935/* These have to be before perlvars.h */
4936#if !defined(HAS_SIGACTION) && defined(VMS)
4937# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4938#endif
4939/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4940#if defined(KILL_BY_SIGPRC)
4941# define FAKE_DEFAULT_SIGNAL_HANDLERS
4942#endif
4943
8c1cc017
NC		 4944#if !defined(MULTIPLICITY)
4945
4946struct interpreter {
4947 char broiled;
22239a37
NIS		 4948};
4949
8c1cc017 4950#else
22239a37 4951
d460ef45 4952/* If we have multiple interpreters define a struct
d4cce5f1 4953 holding variables which must be per-interpreter
d460ef45 4954 If we don't have threads anything that would have
d4cce5f1
NIS		 4955 be per-thread is per-interpreter.
4956*/
4957
8c1cc017 4958/* Set up PERLVAR macros for populating structs */
115ff745
NC		 4959# define PERLVAR(prefix,var,type) type prefix##var;
4960# define PERLVARA(prefix,var,n,type) type prefix##var[n];
4961# define PERLVARI(prefix,var,type,init) type prefix##var;
4962# define PERLVARIC(prefix,var,type,init) type prefix##var;
8c1cc017 4963
79072805 4964struct interpreter {
7766f137 4965# include "intrpvar.h"
49f531da 4966};
d4cce5f1 4967
724cf8d6
NC		 4968EXTCONST U16 PL_interp_size
4969 INIT(sizeof(struct interpreter));
4970
4971# define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \
4972 STRUCT_OFFSET(struct interpreter, member) + \
4973 sizeof(((struct interpreter*)0)->member)
4974
4975/* This will be useful for subsequent releases, because this has to be the
4976 same in your libperl as in main(), else you have a mismatch and must abort.
4977*/
4978EXTCONST U16 PL_interp_size_5_16_0
4979 INIT(PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_16_0_INTERP_MEMBER));
4980
4981
8c1cc017
NC		 4982# ifdef PERL_GLOBAL_STRUCT
4983/* MULTIPLICITY is automatically defined when PERL_GLOBAL_STRUCT is defined,
4984 hence it's safe and sane to nest this within #ifdef MULTIPLICITY */
4985
4986struct perl_vars {
4987# include "perlvars.h"
49f531da 4988};
8c1cc017 4989
724cf8d6
NC		 4990EXTCONST U16 PL_global_struct_size
4991 INIT(sizeof(struct perl_vars));
4992
8c1cc017
NC		 4993# ifdef PERL_CORE
4994# ifndef PERL_GLOBAL_STRUCT_PRIVATE
4995EXT struct perl_vars PL_Vars;
4996EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
4997# undef PERL_GET_VARS
4998# define PERL_GET_VARS() PL_VarsPtr
4999# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
5000# else /* PERL_CORE */
5001# if !defined(__GNUC__) || !defined(WIN32)
5002EXT
5003# endif /* WIN32 */
5004struct perl_vars *PL_VarsPtr;
5005# define PL_Vars (*((PL_VarsPtr) \
5006 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
5007# endif /* PERL_CORE */
5008# endif /* PERL_GLOBAL_STRUCT */
79072805 5009
22239a37 5010/* Done with PERLVAR macros for now ... */
8c1cc017
NC		 5011# undef PERLVAR
5012# undef PERLVARA
5013# undef PERLVARI
5014# undef PERLVARIC
8c1cc017
NC		 5015
5016#endif /* MULTIPLICITY */
79072805 5017
f7fe979e 5018struct tempsym; /* defined in pp_pack.c */
49704364 5019
22239a37 5020#include "thread.h"
79072805 5021#include "pp.h"
864dbfa3
GS		 5022
5023#ifndef PERL_CALLCONV
a0c21aa1
JH		 5024# ifdef __cplusplus
5025# define PERL_CALLCONV extern "C"
5026# else
5027# define PERL_CALLCONV
5028# endif
d460ef45 5029#endif
12a2785c
DD		 5030#ifndef PERL_CALLCONV_NO_RET
5031# define PERL_CALLCONV_NO_RET PERL_CALLCONV
5032#endif
5033
0cb96387
GS		 5034#undef PERL_CKDEF
5035#undef PERL_PPDEF
0159f81b
JH		 5036#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
5037#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 5038
158cfab6
JD		 5039#ifdef MYMALLOC
5040# include "malloc_ctl.h"
5041#endif
5042
7766f137 5043#include "proto.h"
864dbfa3 5044
0cb96387 5045/* this has structure inits, so it cannot be included before here */
acfe0abc 5046#include "opcode.h"
864dbfa3 5047
d4cce5f1
NIS		 5048/* The following must follow proto.h as #defines mess up syntax */
5049
22c35a8c
GS		 5050#if !defined(PERL_FOR_X2P)
5051# include "embedvar.h"
5052#endif
598921a7
NC		 5053#ifndef PERL_MAD
5054# undef PL_madskills
5055# undef PL_xmlfp
5056# define PL_madskills 0
5057# define PL_xmlfp 0
5058#endif
d4cce5f1 5059
d460ef45 5060/* Now include all the 'global' variables
d4cce5f1 5061 * If we don't have threads or multiple interpreters
d460ef45 5062 * these include variables that would have been their struct-s
d4cce5f1 5063 */
d460ef45 5064
115ff745
NC		 5065#define PERLVAR(prefix,var,type) EXT type PL_##var;
5066#define PERLVARA(prefix,var,n,type) EXT type PL_##var[n];
5067#define PERLVARI(prefix,var,type,init) EXT type PL_##var INIT(init);
5068#define PERLVARIC(prefix,var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 5069
acfe0abc 5070#if !defined(MULTIPLICITY)
7766f137 5071START_EXTERN_C
066ef5b5 5072# include "intrpvar.h"
7766f137 5073END_EXTERN_C
22239a37
NIS		 5074#endif
5075
24792b8d
NC		 5076#ifdef PERL_CORE
5077/* All core uses now exterminated. Ensure no zombies can return: */
5078# undef PL_na
5079#endif
5080
f9293c5b
NC		 5081/* Now all the config stuff is setup we can include embed.h
5082 In particular, need the relevant *ish file included already, as it may
5083 define HAVE_INTERP_INTERN */
5084#include "embed.h"
5085#ifndef PERL_MAD
5086# undef op_getmad
5087# define op_getmad(arg,pegop,slot) NOOP
acfe0abc 5088#endif
22239a37 5089
c5be433b
GS		 5090#ifndef PERL_GLOBAL_STRUCT
5091START_EXTERN_C
5092
5093# include "perlvars.h"
5094
5095END_EXTERN_C
5096#endif
5097
d4cce5f1 5098#undef PERLVAR
51371543 5099#undef PERLVARA
d4cce5f1 5100#undef PERLVARI
0f3f18a6 5101#undef PERLVARIC
79072805 5102
73c4f7a1
GS		 5103START_EXTERN_C
5104
af2f0da9
NC		 5105/* dummy variables that hold pointers to both runops functions, thus forcing
5106 * them *both* to get linked in (useful for Peek.xs, debugging etc) */
5107
5108EXTCONST runops_proc_t PL_runops_std
5109 INIT(Perl_runops_standard);
5110EXTCONST runops_proc_t PL_runops_dbg
5111 INIT(Perl_runops_debug);
5112
bc028b6b
JH		 5113/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
5114 * magic vtables const, but this is incompatible with SWIG which
5115 * does want to modify the vtables. */
5116#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5117# define EXT_MGVTBL EXTCONST MGVTBL
5118#else
5119# define EXT_MGVTBL EXT MGVTBL
5120#endif
5121
82ff486e 5122#define PERL_MAGIC_READONLY_ACCEPTABLE 0x40
e0a73de4
NC		 5123#define PERL_MAGIC_VALUE_MAGIC 0x80
5124#define PERL_MAGIC_VTABLE_MASK 0x3F
82ff486e
NC		 5125#define PERL_MAGIC_TYPE_READONLY_ACCEPTABLE(t) \
5126 (PL_magic_data[(U8)(t)] & PERL_MAGIC_READONLY_ACCEPTABLE)
e0a73de4
NC		 5127#define PERL_MAGIC_TYPE_IS_VALUE_MAGIC(t) \
5128 (PL_magic_data[(U8)(t)] & PERL_MAGIC_VALUE_MAGIC)
5129
8b09643d 5130#include "mg_vtable.h"
6f83ef0e
NC		 5131
5132#ifdef DOINIT
5133EXTCONST U8 PL_magic_data[256] =
dde5ec2c
NC		 5134# ifdef PERL_MICRO
5135# include "umg_data.h"
5136# else
5137# include "mg_data.h"
5138# endif
6f83ef0e
NC		 5139;
5140#else
5141EXTCONST U8 PL_magic_data[256];
5142#endif
5143
f1fb8741
DM		 5144#ifdef DOINIT
5145 /* NL BD IV NV PV PI PN MG RX GV LV AV HV CV FM IO */
5146EXTCONST bool
5147PL_valid_types_IVX[] = { 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
5148EXTCONST bool
5149PL_valid_types_NVX[] = { 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
5150EXTCONST bool
5151PL_valid_types_PVX[] = { 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1 };
5152EXTCONST bool
5153PL_valid_types_RV[] = { 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1 };
5154EXTCONST bool
5155PL_valid_types_IV_set[] = { 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1 };
5156EXTCONST bool
5157PL_valid_types_NV_set[] = { 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 };
5158
5159#else
5160
5161EXTCONST bool PL_valid_types_IVX[];
5162EXTCONST bool PL_valid_types_NVX[];
5163EXTCONST bool PL_valid_types_PVX[];
5164EXTCONST bool PL_valid_types_RV[];
5165EXTCONST bool PL_valid_types_IV_set[];
5166EXTCONST bool PL_valid_types_NV_set[];
5167
5168#endif
5169
5170
bab3dc31 5171#include "overload.h"
a0d0e21e 5172
73c4f7a1
GS		 5173END_EXTERN_C
5174
a6006777 5175struct am_table {
8978b4ac
NC		 5176 U8 flags;
5177 U8 fallback;
5178 U16 spare;
eb160463 5179 U32 was_ok_sub;
9bd87817 5180 CV* table[NofAMmeth];
a0d0e21e 5181};
a6006777 5182struct am_table_short {
8978b4ac
NC		 5183 U8 flags;
5184 U8 fallback;
5185 U16 spare;
eb160463 5186 U32 was_ok_sub;
a6006777 5187};
a0d0e21e 5188typedef struct am_table AMT;
a6006777 5189typedef struct am_table_short AMTS;
a0d0e21e
LW		 5190
5191#define AMGfallNEVER 1
5192#define AMGfallNO 2
5193#define AMGfallYES 3
5194
a6006777 5195#define AMTf_AMAGIC 1
32251b26 5196#define AMTf_OVERLOADED 2
a6006777 5197#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5198#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5199#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 5200#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
5201#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
5202#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 5203
32251b26 5204#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5205
5206/*
5207 * some compilers like to redefine cos et alia as faster
5208 * (and less accurate?) versions called F_cos et cetera (Quidquid
5209 * latine dictum sit, altum viditur.) This trick collides with
5210 * the Perl overloading (amg). The following #defines fool both.
5211 */
5212
5213#ifdef _FASTMATH
5214# ifdef atan2
5215# define F_atan2_amg atan2_amg
5216# endif
5217# ifdef cos
5218# define F_cos_amg cos_amg
5219# endif
5220# ifdef exp
5221# define F_exp_amg exp_amg
5222# endif
5223# ifdef log
5224# define F_log_amg log_amg
5225# endif
5226# ifdef pow
5227# define F_pow_amg pow_amg
5228# endif
5229# ifdef sin
5230# define F_sin_amg sin_amg
5231# endif
5232# ifdef sqrt
5233# define F_sqrt_amg sqrt_amg
5234# endif
5235#endif /* _FASTMATH */
5236
83ee9e09
GS		 5237#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5238 PERLDBf_NOOPT | PERLDBf_INTER | \
5239 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
b8fcbefe
NC		 5240 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5241 PERLDBf_SAVESRC)
925cfbb8 5242 /* No _NONAME, _GOTO */
83ee9e09
GS		 5243#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5244#define PERLDBf_LINE 0x02 /* Keep line # */
5245#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5246#define PERLDBf_INTER 0x08 /* Preserve more data for
5247 later inspections */
5248#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5249#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5250#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5251#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5252#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5253#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
b8fcbefe 5254#define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
486ec47a 5255#define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */
c30d8139 5256#define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
84902520 5257
3280af22
NIS		 5258#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5259#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5260#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5261#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5262#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5263#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5264#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5265#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5266#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5267#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
b8fcbefe 5268#define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC))
c30d8139
NC		 5269#define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS))
5270#define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID))
bbce6d69 5271
36477c24 5272#ifdef USE_LOCALE_NUMERIC
bbce6d69 5273
36477c24 5274#define SET_NUMERIC_STANDARD() \
ff4fed7c 5275 set_numeric_standard();
36477c24 5276
5277#define SET_NUMERIC_LOCAL() \
ff4fed7c 5278 set_numeric_local();
bbce6d69 5279
66cbab2c
KW		 5280/* Returns non-zero If the plain locale pragma without a parameter is in effect
5281 */
a98fe34d 5282#define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE)
66cbab2c
KW		 5283
5284/* Returns non-zero If either form of the locale pragma is in effect */
5285#define IN_SOME_LOCALE_FORM_RUNTIME \
5286 (CopHINTS_get(PL_curcop) & (HINT_LOCALE|HINT_LOCALE_NOT_CHARS))
5287
2de3dbcc 5288#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
66cbab2c
KW		 5289#define IN_SOME_LOCALE_FORM_COMPILETIME \
5290 (PL_hints & (HINT_LOCALE|HINT_LOCALE_NOT_CHARS))
2de3dbcc
JH		 5291
5292#define IN_LOCALE \
923e4eb5 5293 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
66cbab2c
KW		 5294#define IN_SOME_LOCALE_FORM \
5295 (IN_PERL_COMPILETIME ? IN_SOME_LOCALE_FORM_COMPILETIME \
5296 : IN_SOME_LOCALE_FORM_RUNTIME)
2de3dbcc 5297
f93f4e46 5298#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 5299 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 5300 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 5301
5302#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 5303 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 5304 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 5305
5306#define RESTORE_NUMERIC_LOCAL() \
5307 if (was_local) SET_NUMERIC_LOCAL();
5308
5309#define RESTORE_NUMERIC_STANDARD() \
5310 if (was_standard) SET_NUMERIC_STANDARD();
5311
5b877257 5312#define Atof my_atof
097ee67d 5313
36477c24 5314#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5315
097ee67d
JH		 5316#define SET_NUMERIC_STANDARD() /**/
5317#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5318#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5319#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5320#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 5321#define RESTORE_NUMERIC_LOCAL() /**/
5322#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 5323#define Atof my_atof
ad3e0f90 5324#define IN_LOCALE_RUNTIME 0
d40eae8f 5325#define IN_LOCALE_COMPILETIME 0
bbce6d69 5326
36477c24 5327#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5328
079290de 5329#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5330# ifdef __hpux
5331# define strtoll __strtoll /* secret handshake */
5332# endif
c623ac67
GS		 5333# ifdef WIN64
5334# define strtoll _strtoi64 /* secret handshake */
5335# endif
079290de
GS		 5336# if !defined(Strtol) && defined(HAS_STRTOLL)
5337# define Strtol strtoll
ad551343 5338# endif
28e5dec8
JH		 5339# if !defined(Strtol) && defined(HAS_STRTOQ)
5340# define Strtol strtoq
5341# endif
ff935051 5342/* is there atoq() anywhere? */
15b99d39 5343#endif
079290de
GS		 5344#if !defined(Strtol) && defined(HAS_STRTOL)
5345# define Strtol strtol
5346#endif
5347#ifndef Atol
5348/* It would be more fashionable to use Strtol() to define atol()
5349 * (as is done for Atoul(), see below) but for backward compatibility
5350 * we just assume atol(). */
76b882ba 5351# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 5352# ifdef WIN64
5353# define atoll _atoi64 /* secret handshake */
5354# endif
76b882ba
JH		 5355# define Atol atoll
5356# else
5357# define Atol atol
5358# endif
cf2093f6
JH		 5359#endif
5360
55eb892c 5361#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5362# ifdef __hpux
5363# define strtoull __strtoull /* secret handshake */
5364# endif
c623ac67
GS		 5365# ifdef WIN64
5366# define strtoull _strtoui64 /* secret handshake */
5367# endif
ad551343 5368# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5369# define Strtoul strtoull
15b99d39 5370# endif
079290de
GS		 5371# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5372# define Strtoul strtouq
5373# endif
76d49b1c 5374/* is there atouq() anywhere? */
ad551343 5375#endif
079290de
GS		 5376#if !defined(Strtoul) && defined(HAS_STRTOUL)
5377# define Strtoul strtoul
cf2093f6 5378#endif
a5523c5b
JH		 5379#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5380# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5381#endif
079290de 5382#ifndef Atoul
d4c19fe8 5383# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5384#endif
cf2093f6 5385
760ac839 5386
06d86050
GS		 5387/* if these never got defined, they need defaults */
5388#ifndef PERL_SET_CONTEXT
5389# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5390#endif
5391
5392#ifndef PERL_GET_CONTEXT
5393# define PERL_GET_CONTEXT PERL_GET_INTERP
5394#endif
5395
5396#ifndef PERL_GET_THX
5397# define PERL_GET_THX ((void*)NULL)
5398#endif
5399
5400#ifndef PERL_SET_THX
5401# define PERL_SET_THX(t) NOOP
5402#endif
5403
a868473f
NIS		 5404#ifndef PERL_SCRIPT_MODE
5405#define PERL_SCRIPT_MODE "r"
5406#endif
5407
fba3b22e 5408/*
da927450
JH		 5409 * Some operating systems are stingy with stack allocation,
5410 * so perl may have to guard against stack overflow.
5411 */
5412#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5413#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5414#endif
5415
5416/*
5417 * Some nonpreemptive operating systems find it convenient to
5418 * check for asynchronous conditions after each op execution.
5419 * Keep this check simple, or it may slow down execution
5420 * massively.
5421 */
ce08f86c 5422
1d615522 5423#ifndef PERL_MICRO
4ffa73a3 5424# ifndef PERL_ASYNC_CHECK
16c91539 5425# define PERL_ASYNC_CHECK() if (PL_sig_pending) PL_signalhook(aTHX)
4ffa73a3 5426# endif
ce08f86c
NIS		 5427#endif
5428
da927450 5429#ifndef PERL_ASYNC_CHECK
1d615522 5430# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5431#endif
5432
5433/*
5434 * On some operating systems, a memory allocation may succeed,
5435 * but put the process too close to the system's comfort limit.
5436 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5437 * it to NULL.
5438 */
5439#ifndef PERL_ALLOC_CHECK
c2af87cb 5440#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5441#endif
5442
bd89102f
AD		 5443#ifdef HAS_SEM
5444# include <sys/ipc.h>
5445# include <sys/sem.h>
5446# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5447 union semun {
dbba660d
TC		 5448 int val;
5449 struct semid_ds *buf;
5450 unsigned short *array;
bd89102f
AD		 5451 };
5452# endif
5453# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5454# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5455 union gccbug_semun {
5456 int val;
5457 struct semid_ds *buf;
5458 unsigned short *array;
5459 char __dummy[5];
5460 };
5461# define semun gccbug_semun
5462# endif
bd89102f
AD		 5463# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5464# else
5465# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5466# ifdef EXTRA_F_IN_SEMUN_BUF
5467# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5468# else
5469# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5470# endif
bd89102f
AD		 5471# endif
5472# endif
bd89102f 5473#endif
49f531da 5474
89ca4ac7
JH		 5475/*
5476 * Boilerplate macros for initializing and accessing interpreter-local
5477 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 5478 * this, if you want to make the extension thread-safe. See
5479 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5480 * and perlxs.pod for more.
89ca4ac7
JH		 5481 *
5482 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5483 * 1. #define MY_CXT_KEY to a unique string, e.g.
5484 * "DynaLoader::_guts" XS_VERSION
f16dd614 5485 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5486 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5487 * all the data that needs to be interpreter-local.
5488 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5489 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5490 * (typically put in the BOOT: section).
5491 * 5. Use the members of the my_cxt_t structure everywhere as
5492 * MY_CXT.member.
5493 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5494 * access MY_CXT.
5495 */
5496
fc958cd2 5497#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 5498
4eddb856 5499/* START_MY_CXT must appear in all extensions that define a my_cxt_t structure,
53d44271
JH		 5500 * right after the definition (i.e. at file scope). The non-threads
5501 * case below uses it to declare the data as static. */
00ab59c9
DM		 5502# ifdef PERL_GLOBAL_STRUCT_PRIVATE
5503# define START_MY_CXT
5504# define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5505# define MY_CXT_INIT_ARG MY_CXT_KEY
5506# else
5507# define START_MY_CXT static int my_cxt_index = -1;
5508# define MY_CXT_INDEX my_cxt_index
5509# define MY_CXT_INIT_ARG &my_cxt_index
5510# endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
53d44271
JH		 5511
5512/* Creates and zeroes the per-interpreter data.
5513 * (We allocate my_cxtp in a Perl SV so that it will be released when
5514 * the interpreter goes away.) */
00ab59c9 5515# define MY_CXT_INIT \
53d44271 5516 my_cxt_t *my_cxtp = \
9f6df31a
Z		 5517 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
5518 PERL_UNUSED_VAR(my_cxtp)
00ab59c9 5519# define MY_CXT_INIT_INTERP(my_perl) \
53d44271 5520 my_cxt_t *my_cxtp = \
9f6df31a
Z		 5521 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
5522 PERL_UNUSED_VAR(my_cxtp)
53d44271
JH		 5523
5524/* This declaration should be used within all functions that use the
5525 * interpreter-local data. */
00ab59c9 5526# define dMY_CXT \
53d44271 5527 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
00ab59c9 5528# define dMY_CXT_INTERP(my_perl) \
53d44271
JH		 5529 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5530
5531/* Clones the per-interpreter data. */
00ab59c9 5532# define MY_CXT_CLONE \
53d44271
JH		 5533 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5534 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5535 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5536
53d44271 5537
89ca4ac7 5538/* This macro must be used to access members of the my_cxt_t structure.
870598ae 5539 * e.g. MY_CXT.some_data */
00ab59c9 5540# define MY_CXT (*my_cxtp)
89ca4ac7
JH		 5541
5542/* Judicious use of these macros can reduce the number of times dMY_CXT
5543 * is used. Use is similar to pTHX, aTHX etc. */
00ab59c9
DM		 5544# define pMY_CXT my_cxt_t *my_cxtp
5545# define pMY_CXT_ pMY_CXT,
5546# define _pMY_CXT ,pMY_CXT
5547# define aMY_CXT my_cxtp
5548# define aMY_CXT_ aMY_CXT,
5549# define _aMY_CXT ,aMY_CXT
89ca4ac7 5550
f16dd614 5551#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7 5552
00ab59c9
DM		 5553# define START_MY_CXT static my_cxt_t my_cxt;
5554# define dMY_CXT_SV dNOOP
5555# define dMY_CXT dNOOP
5556# define dMY_CXT_INTERP(my_perl) dNOOP
5557# define MY_CXT_INIT NOOP
5558# define MY_CXT_CLONE NOOP
5559# define MY_CXT my_cxt
5560
5561# define pMY_CXT void
5562# define pMY_CXT_
5563# define _pMY_CXT
5564# define aMY_CXT
5565# define aMY_CXT_
5566# define _aMY_CXT
89ca4ac7 5567
f16dd614 5568#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5569
9a34ef1d
GS		 5570#ifdef I_FCNTL
5571# include <fcntl.h>
9a34ef1d
GS		 5572#endif
5573
9cffb111
OS		 5574#ifdef __Lynx__
5575# include <fcntl.h>
5576#endif
5577
9a34ef1d
GS		 5578#ifdef I_SYS_FILE
5579# include <sys/file.h>
5580#endif
5581
fa0a29af 5582#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5583int flock(int fd, int op);
5584#endif
5585
fe52b3b7
GS		 5586#ifndef O_RDONLY
5587/* Assume UNIX defaults */
5588# define O_RDONLY 0000
5589# define O_WRONLY 0001
5590# define O_RDWR 0002
5591# define O_CREAT 0100
5592#endif
9a34ef1d 5593
16fe6d59
GS		 5594#ifndef O_BINARY
5595# define O_BINARY 0
5596#endif
5597
5598#ifndef O_TEXT
5599# define O_TEXT 0
5600#endif
5601
6ce75a77
JH		 5602#if O_TEXT != O_BINARY
5603 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5604 * that is, you are somehow DOSish. */
df00ff3b
IW		 5605# if defined(__BEOS__) || defined(__HAIKU__) || defined(__VOS__) || \
5606 defined(__CYGWIN__)
5607 /* BeOS/Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5608 * BeOS/Haiku is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5609 /* VOS has O_TEXT != O_BINARY, and they have effect,
5610 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5611 /* If you have O_TEXT different from your O_BINARY but you still are
5612 * not a CRLF shop. */
35990314 5613# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5614# else
5615 /* If you really are DOSish. */
5616# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5617# endif
5618#endif
5619
4bc88a62
PS		 5620#ifdef I_LIBUTIL
5621# include <libutil.h> /* setproctitle() in some FreeBSDs */
5622#endif
5623
b4748376 5624#ifndef EXEC_ARGV_CAST
360ea906 5625#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 5626#endif
5627
dd5dc04f
JH		 5628#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5629 int). value returned in pointed-
5630 to UV */
5631#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5632#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5633#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5634#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5635#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5636
5637#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5638
53305cf1
NC		 5639/* Input flags: */
5640#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5641#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5642#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
02470786
KW		 5643#define PERL_SCAN_SILENT_NON_PORTABLE 0x08 /* grok_??? not warn about very large
5644 numbers which are <= UV_MAX */
53305cf1
NC		 5645/* Output flags: */
5646#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5647
2c4f7f0e
DM		 5648/* to let user control profiling */
5649#ifdef PERL_GPROF_CONTROL
5650extern void moncontrol(int);
5651#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5652#else
5653#define PERL_GPROF_MONCONTROL(x)
5654#endif
5655
ae0e3d3b
JH		 5656#ifdef UNDER_CE
5657#include "wince.h"
5658#endif
5659
5660/* ISO 6429 NEL - C1 control NExt Line */
5661/* See http://www.unicode.org/unicode/reports/tr13/ */
5662#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
5663# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
5664# define NEXT_LINE_CHAR 0x15
5665# else /* CDRA */
5666# define NEXT_LINE_CHAR 0x25
5667# endif
5668#else
5669# define NEXT_LINE_CHAR 0x85
5670#endif
5671
5672/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5673#define UNICODE_LINE_SEPA_0 0xE2
5674#define UNICODE_LINE_SEPA_1 0x80
5675#define UNICODE_LINE_SEPA_2 0xA8
5676#define UNICODE_PARA_SEPA_0 0xE2
5677#define UNICODE_PARA_SEPA_1 0x80
5678#define UNICODE_PARA_SEPA_2 0xA9
5679
479b2847
GS		 5680#ifndef PIPESOCK_MODE
5681# define PIPESOCK_MODE
5682#endif
5683
460c8493
IZ		 5684#ifndef SOCKET_OPEN_MODE
5685# define SOCKET_OPEN_MODE PIPESOCK_MODE
5686#endif
5687
5688#ifndef PIPE_OPEN_MODE
5689# define PIPE_OPEN_MODE PIPESOCK_MODE
5690#endif
5691
7e8c5dac
HS		 5692#define PERL_MAGIC_UTF8_CACHESIZE 2
5693
a05d7ebb
JH		 5694#define PERL_UNICODE_STDIN_FLAG 0x0001
5695#define PERL_UNICODE_STDOUT_FLAG 0x0002
5696#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5697#define PERL_UNICODE_IN_FLAG 0x0008
5698#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5699#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5700#define PERL_UNICODE_LOCALE_FLAG 0x0040
5701#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 5702#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 5703
06e66572
JH		 5704#define PERL_UNICODE_STD_FLAG \
5705 (PERL_UNICODE_STDIN_FLAG | \
5706 PERL_UNICODE_STDOUT_FLAG | \
5707 PERL_UNICODE_STDERR_FLAG)
5708
5709#define PERL_UNICODE_INOUT_FLAG \
5710 (PERL_UNICODE_IN_FLAG | \
5711 PERL_UNICODE_OUT_FLAG)
5712
5713#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5714 (PERL_UNICODE_STD_FLAG | \
5715 PERL_UNICODE_INOUT_FLAG | \
5716 PERL_UNICODE_LOCALE_FLAG)
5717
5a22a2bb 5718#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 5719
5720#define PERL_UNICODE_STDIN 'I'
5721#define PERL_UNICODE_STDOUT 'O'
5722#define PERL_UNICODE_STDERR 'E'
5723#define PERL_UNICODE_STD 'S'
5724#define PERL_UNICODE_IN 'i'
5725#define PERL_UNICODE_OUT 'o'
5726#define PERL_UNICODE_INOUT 'D'
5727#define PERL_UNICODE_ARGV 'A'
5728#define PERL_UNICODE_LOCALE 'L'
5729#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 5730#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 5731
4ffa73a3
JH		 5732#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5733
32fdb065 5734/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5735 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5736#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5737
3c0f78ca
JH		 5738#if defined(__DECC) && defined(__osf__)
5739#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 5740#endif
5741
e4dba786
NC		 5742#define do_open(g, n, l, a, rm, rp, sf) \
5743 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 5744#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 5745# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 5746#endif
15871fce
NC		 5747#ifdef OS2
5748# define do_aexec Perl_do_aexec
5749#else
5750# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 5751#endif
e4dba786 5752
2f3efc97
JH		 5753#if defined(OEMVS)
5754#define NO_ENV_ARRAY_IN_MAIN
5755#endif
5756
00f254e2
KW		 5757/* These are used by Perl_pv_escape() and Perl_pv_pretty()
5758 * are here so that they are available throughout the core
10edeb5d
JH		 5759 * NOTE that even though some are for _escape and some for _pretty
5760 * there must not be any clashes as the flags from _pretty are
5761 * passed straight through to _escape.
5762 */
5763
5764#define PERL_PV_ESCAPE_QUOTE 0x0001
5765#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
5766
95b611b0 5767#define PERL_PV_PRETTY_ELLIPSES 0x0002
10edeb5d
JH		 5768#define PERL_PV_PRETTY_LTGT 0x0004
5769
5770#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
5771
00f254e2 5772#define PERL_PV_ESCAPE_UNI 0x0100
10edeb5d 5773#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
681f01c2 5774#define PERL_PV_ESCAPE_NONASCII 0x0400
10edeb5d
JH		 5775
5776#define PERL_PV_ESCAPE_ALL 0x1000
5777#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
5778#define PERL_PV_ESCAPE_NOCLEAR 0x4000
44a2ac75 5779#define PERL_PV_ESCAPE_RE 0x8000
10edeb5d 5780
881a015e
NC		 5781#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
5782
10edeb5d 5783/* used by pv_display in dump.c*/
95b611b0 5784#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
c89df6cf 5785#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII
10edeb5d
JH		 5786
5787/*
5788
5789 (KEEP THIS LAST IN perl.h!)
5790
5791 Mention
d460ef45 5792
43999f95 5793 NV_PRESERVES_UV
fe749a9f 5794
fe749a9f
JH		 5795 HAS_MKSTEMP
5796 HAS_MKSTEMPS
5797 HAS_MKDTEMP
5798
49dabb45
JH		 5799 HAS_GETCWD
5800
d59b5429 5801 HAS_MMAP
fe749a9f
JH		 5802 HAS_MPROTECT
5803 HAS_MSYNC
1e8c3fde 5804 HAS_MADVISE
fe749a9f
JH		 5805 HAS_MUNMAP
5806 I_SYSMMAN
5807 Mmap_t
5808
6b4667fc
A		 5809 NVef
5810 NVff
5811 NVgf
5812
4e0554ec 5813 HAS_UALARM
2d736872 5814 HAS_USLEEP
4e0554ec
JH		 5815
5816 HAS_SETITIMER
5817 HAS_GETITIMER
5818
5819 HAS_SENDMSG
5820 HAS_RECVMSG
5821 HAS_READV
5822 HAS_WRITEV
5823 I_SYSUIO
5824 HAS_STRUCT_MSGHDR
5825 HAS_STRUCT_CMSGHDR
5826
2765b840 5827 HAS_NL_LANGINFO
0a7020c9 5828
ae0e3d3b 5829 HAS_DIRFD
2765b840 5830
10edeb5d 5831 so that Configure picks them up.
ab3bbdeb 5832
10edeb5d 5833 (KEEP THIS LAST IN perl.h!)
3df15adc 5834
10edeb5d 5835*/
3df15adc 5836
85e6fe83 5837#endif /* Include guard */
e9a8c099
MHM		 5838
5839/*
5840 * Local variables:
5841 * c-indentation-style: bsd
5842 * c-basic-offset: 4
14d04a33 5843 * indent-tabs-mode: nil
e9a8c099
MHM		 5844 * End:
5845 *
14d04a33 5846 * ex: set ts=8 sts=4 sw=4 et:
e9a8c099 5847 */
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