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Fix indentation after a19baa613c
[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
cc3315ba 1175/* The stat macros for Unisoft System V/88 (and derivatives
a0d0e21e
LW		 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
cc3315ba 1184#if 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
ce582cee
NC		 1627/* For the times when you want the return value of sprintf, and you want it
1628 to be the length. Can't have a thread variable passed in, because C89 has
1629 no varargs macros.
1630*/
1631#ifdef SPRINTF_RETURNS_STRLEN
1632# define my_sprintf sprintf
1633#else
1634# define my_sprintf Perl_my_sprintf
1635#endif
1636
5b692037
JH		 1637/*
1638 * If we have v?snprintf() and the C99 variadic macros, we can just
1639 * use just the v?snprintf(). It is nice to try to trap the buffer
1640 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1641 * gcc statement expressions, then use the function wrappers which try
1642 * to trap the overflow. If we can use the gcc statement expressions,
1643 * we can try that even with the version that uses the C99 variadic
1644 * macros.
5b692037
JH		 1645 */
1646
1208b3dd
JH		 1647/* Note that we do not check against snprintf()/vsnprintf() returning
1648 * negative values because that is non-standard behaviour and we use
1649 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1650 * that should be true only if the snprintf()/vsnprintf() are true
1651 * to the standard. */
1652
dfeee9b1 1653#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1654# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1655# 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 1656# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1657# else
1658# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1659# endif
1660#else
1661# define my_snprintf Perl_my_snprintf
1208b3dd 1662# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1663#endif
1664
dfeee9b1 1665#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1666# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1667# 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 1668# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1669# else
1670# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1671# endif
1672#else
1673# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1674# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1675#endif
d9fad198 1676
a6cc4119
SP		 1677#ifdef HAS_STRLCAT
1678# define my_strlcat strlcat
1679#else
1680# define my_strlcat Perl_my_strlcat
1681#endif
1682
1683#ifdef HAS_STRLCPY
1684# define my_strlcpy strlcpy
1685#else
1686# define my_strlcpy Perl_my_strlcpy
1687#endif
1688
05f13f53 1689/*
27d4fb96 1690 The IV type is supposed to be long enough to hold any integral
1691 value or a pointer.
1692 --Andy Dougherty August 1996
1693*/
1694
a22e52b9
JH		 1695typedef IVTYPE IV;
1696typedef UVTYPE UV;
8175356b 1697
10cc9d2a 1698#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1699# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1700# define IV_MAX INT64_MAX
1701# define IV_MIN INT64_MIN
1702# define UV_MAX UINT64_MAX
cae7ae48
JH		 1703# ifndef UINT64_MIN
1704# define UINT64_MIN 0
1705# endif
5ff3f7a4
GS		 1706# define UV_MIN UINT64_MIN
1707# else
1708# define IV_MAX PERL_QUAD_MAX
1709# define IV_MIN PERL_QUAD_MIN
1710# define UV_MAX PERL_UQUAD_MAX
1711# define UV_MIN PERL_UQUAD_MIN
1712# endif
cf2093f6
JH		 1713# define IV_IS_QUAD
1714# define UV_IS_QUAD
79072805 1715#else
8175356b 1716# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1717# define IV_MAX INT32_MAX
1718# define IV_MIN INT32_MIN
716026f9
DL		 1719# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1720# define UV_MAX UINT32_MAX
1721# else
1722# define UV_MAX 4294967295U
1723# endif
cae7ae48
JH		 1724# ifndef UINT32_MIN
1725# define UINT32_MIN 0
1726# endif
5ff3f7a4
GS		 1727# define UV_MIN UINT32_MIN
1728# else
1729# define IV_MAX PERL_LONG_MAX
1730# define IV_MIN PERL_LONG_MIN
1731# define UV_MAX PERL_ULONG_MAX
1732# define UV_MIN PERL_ULONG_MIN
1733# endif
8175356b 1734# if IVSIZE == 8
cf2093f6
JH		 1735# define IV_IS_QUAD
1736# define UV_IS_QUAD
de1c2614
JH		 1737# ifndef HAS_QUAD
1738# define HAS_QUAD
1739# endif
cf2093f6
JH		 1740# else
1741# undef IV_IS_QUAD
1742# undef UV_IS_QUAD
de1c2614 1743# undef HAS_QUAD
cf2093f6 1744# endif
79072805 1745#endif
d7d93a81 1746
1109a392
MHM		 1747#ifndef HAS_QUAD
1748# undef PERL_NEED_MY_HTOLE64
1749# undef PERL_NEED_MY_LETOH64
1750# undef PERL_NEED_MY_HTOBE64
1751# undef PERL_NEED_MY_BETOH64
1752#endif
1753
cae7ae48 1754#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1755#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1756
28e5dec8 1757#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1758#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1759#endif
1760
d460ef45 1761/*
26bb67e2
JH		 1762 * The macros INT2PTR and NUM2PTR are (despite their names)
1763 * bi-directional: they will convert int/float to or from pointers.
1764 * However the conversion to int/float are named explicitly:
1765 * PTR2IV, PTR2UV, PTR2NV.
1766 *
1767 * For int conversions we do not need two casts if pointers are
1768 * the same size as IV and UV. Otherwise we need an explicit
1769 * cast (PTRV) to avoid compiler warnings.
1770 */
56431972
RB		 1771#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1772# define PTRV UV
1773# define INT2PTR(any,d) (any)(d)
1774#else
d460ef45 1775# if PTRSIZE == LONGSIZE
56431972 1776# define PTRV unsigned long
e91e3b10 1777# define PTR2ul(p) (unsigned long)(p)
42718184 1778# else
56431972 1779# define PTRV unsigned
42718184 1780# endif
e91e3b10
RB		 1781#endif
1782
1783#ifndef INT2PTR
56431972 1784# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1785#endif
e91e3b10
RB		 1786
1787#ifndef PTR2ul
1788# define PTR2ul(p) INT2PTR(unsigned long,p)
1789#endif
1790
56431972
RB		 1791#define NUM2PTR(any,d) (any)(PTRV)(d)
1792#define PTR2IV(p) INT2PTR(IV,p)
1793#define PTR2UV(p) INT2PTR(UV,p)
1794#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1795#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1796
8141890a
JH		 1797/* According to strict ANSI C89 one cannot freely cast between
1798 * data pointers and function (code) pointers. There are at least
1799 * two ways around this. One (used below) is to do two casts,
1800 * first the other pointer to an (unsigned) integer, and then
1801 * the integer to the other pointer. The other way would be
1802 * to use unions to "overlay" the pointers. For an example of
1803 * the latter technique, see union dirpu in struct xpvio in sv.h.
1804 * The only feasible use is probably temporarily storing
1805 * function pointers in a data pointer (such as a void pointer). */
1806
e91e3b10
RB		 1807#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1808#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1809
65202027 1810#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1811# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1812# define LONG_DOUBLE_EQUALS_DOUBLE
1813# endif
68d4903c 1814# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1815# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1816# endif
1817#endif
1818
2d4389e4
JH		 1819#ifdef OVR_DBL_DIG
1820/* Use an overridden DBL_DIG */
1821# ifdef DBL_DIG
1822# undef DBL_DIG
1823# endif
1824# define DBL_DIG OVR_DBL_DIG
1825#else
1826/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1827 default value for printing floating point numbers in Gconvert
1828 (see config.h). (It also has other uses, such as figuring out if
1829 a given precision of printing can be done with a double instead of
1830 a long double - Allen).
2d4389e4
JH		 1831*/
1832#ifdef I_LIMITS
1833#include <limits.h>
1834#endif
1835#ifdef I_FLOAT
1836#include <float.h>
1837#endif
1838#ifndef HAS_DBL_DIG
1839#define DBL_DIG 15 /* A guess that works lots of places */
1840#endif
1841#endif
1842
1843#ifdef OVR_LDBL_DIG
1844/* Use an overridden LDBL_DIG */
1845# ifdef LDBL_DIG
1846# undef LDBL_DIG
1847# endif
1848# define LDBL_DIG OVR_LDBL_DIG
1849#else
1850/* The following is all to get LDBL_DIG, in order to pick a nice
1851 default value for printing floating point numbers in Gconvert.
1852 (see config.h)
1853*/
68d4903c
JH		 1854# ifdef I_LIMITS
1855# include <limits.h>
1856# endif
1857# ifdef I_FLOAT
1858# include <float.h>
1859# endif
1860# ifndef HAS_LDBL_DIG
1861# if LONG_DOUBLESIZE == 10
1862# define LDBL_DIG 18 /* assume IEEE */
1863# else
1864# if LONG_DOUBLESIZE == 12
1865# define LDBL_DIG 18 /* gcc? */
1866# else
1867# if LONG_DOUBLESIZE == 16
1868# define LDBL_DIG 33 /* assume IEEE */
1869# else
1870# if LONG_DOUBLESIZE == DOUBLESIZE
1871# define LDBL_DIG DBL_DIG /* bummer */
1872# endif
1873# endif
1874# endif
1875# endif
1876# endif
2d4389e4
JH		 1877#endif
1878
20f6aaab
AS		 1879/*
1880 * This is for making sure we have a good DBL_MAX value, if possible,
1881 * either for usage as NV_MAX or for usage in figuring out if we can
1882 * fit a given long double into a double, if bug-fixing makes it
1883 * necessary to do so. - Allen <allens@cpan.org>
1884 */
1885
205f51d8
AS		 1886#ifdef I_LIMITS
1887# include <limits.h>
20f6aaab
AS		 1888#endif
1889
205f51d8
AS		 1890#ifdef I_VALUES
1891# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1892# include <values.h>
1893# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1894# define DBL_MAX MAXDOUBLE
1895# endif
1896# if defined(MINDOUBLE) && !defined(DBL_MIN)
1897# define DBL_MIN MINDOUBLE
1898# endif
1899# endif
1900#endif /* defined(I_VALUES) */
1901
a22e52b9 1902typedef NVTYPE NV;
8175356b 1903
792d8dab
JH		 1904#ifdef I_IEEEFP
1905# include <ieeefp.h>
1906#endif
923fc586 1907
65202027 1908#ifdef USE_LONG_DOUBLE
923fc586
JH		 1909# ifdef I_SUNMATH
1910# include <sunmath.h>
1911# endif
2d4389e4 1912# define NV_DIG LDBL_DIG
d6c14000
JH		 1913# ifdef LDBL_MANT_DIG
1914# define NV_MANT_DIG LDBL_MANT_DIG
1915# endif
06fc1729
JH		 1916# ifdef LDBL_MIN
1917# define NV_MIN LDBL_MIN
1918# endif
1919# ifdef LDBL_MAX
1920# define NV_MAX LDBL_MAX
1921# endif
1922# ifdef LDBL_MIN_10_EXP
1923# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1924# endif
1925# ifdef LDBL_MAX_10_EXP
1926# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1927# endif
1928# ifdef LDBL_EPSILON
1929# define NV_EPSILON LDBL_EPSILON
1930# endif
f4a14a62
JH		 1931# ifdef LDBL_MAX
1932# define NV_MAX LDBL_MAX
20f6aaab 1933/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1934# else
1935# ifdef HUGE_VALL
1936# define NV_MAX HUGE_VALL
1937# else
1938# ifdef HUGE_VAL
1939# define NV_MAX ((NV)HUGE_VAL)
1940# endif
1941# endif
1942# endif
68d4903c 1943# ifdef HAS_SQRTL
68d4903c
JH		 1944# define Perl_cos cosl
1945# define Perl_sin sinl
1946# define Perl_sqrt sqrtl
1947# define Perl_exp expl
1948# define Perl_log logl
1949# define Perl_atan2 atan2l
1950# define Perl_pow powl
1951# define Perl_floor floorl
1bbae031 1952# define Perl_ceil ceill
68d4903c
JH		 1953# define Perl_fmod fmodl
1954# endif
a3540c92
JH		 1955/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1956# ifdef HAS_MODFL
1957# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1958/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1959 prototype in <math.h> */
1960# ifndef HAS_MODFL_PROTO
a221a8a5 1961EXTERN_C long double modfl(long double, long double *);
51997bc3 1962# endif
03476e8e
JH		 1963# else
1964# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1965 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1966# define Perl_modf(x,y) Perl_my_modfl(x,y)
1967# endif
a3540c92
JH		 1968# endif
1969# ifdef HAS_FREXPL
dff3e0b8 1970# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1971# else
1972# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1973 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1974# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1975# endif
a3540c92 1976# endif
38dbb4c5 1977# ifndef Perl_isnan
758a5d79
JH		 1978# ifdef HAS_ISNANL
1979# define Perl_isnan(x) isnanl(x)
1980# endif
1981# endif
1982# ifndef Perl_isinf
1983# ifdef HAS_FINITEL
1984# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1985# endif
1986# endif
65202027 1987#else
2d4389e4 1988# define NV_DIG DBL_DIG
d6c14000
JH		 1989# ifdef DBL_MANT_DIG
1990# define NV_MANT_DIG DBL_MANT_DIG
1991# endif
06fc1729
JH		 1992# ifdef DBL_MIN
1993# define NV_MIN DBL_MIN
1994# endif
1995# ifdef DBL_MAX
1996# define NV_MAX DBL_MAX
1997# endif
1998# ifdef DBL_MIN_10_EXP
1999# define NV_MIN_10_EXP DBL_MIN_10_EXP
2000# endif
2001# ifdef DBL_MAX_10_EXP
2002# define NV_MAX_10_EXP DBL_MAX_10_EXP
2003# endif
2004# ifdef DBL_EPSILON
2005# define NV_EPSILON DBL_EPSILON
2006# endif
205f51d8 2007# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 2008# define NV_MAX DBL_MAX
2009# define NV_MIN DBL_MIN
2010# else
2011# ifdef HUGE_VAL
2012# define NV_MAX HUGE_VAL
2013# endif
2014# endif
65202027
DS		 2015# define Perl_cos cos
2016# define Perl_sin sin
2017# define Perl_sqrt sqrt
2018# define Perl_exp exp
2019# define Perl_log log
2020# define Perl_atan2 atan2
2021# define Perl_pow pow
2022# define Perl_floor floor
1bbae031 2023# define Perl_ceil ceil
65202027 2024# define Perl_fmod fmod
a3540c92 2025# define Perl_modf(x,y) modf(x,y)
dff3e0b8 2026# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 2027#endif
2028
2029/* rumor has it that Win32 has _fpclass() */
2030
205f51d8
AS		 2031/* SGI has fpclassl... but not with the same result values,
2032 * and it's via a typedef (not via #define), so will need to redo Configure
2033 * to use. Not worth the trouble, IMO, at least until the below is used
2034 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
2035 * with me for the SGI manpages, SGI testing, etcetera, if you want to
2036 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
2037
758a5d79
JH		 2038#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2039# ifdef I_IEEFP
2040# include <ieeefp.h>
2041# endif
2042# ifdef I_FP
2043# include <fp.h>
2044# endif
2045# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2046# define Perl_fp_class() fpclassl(x)
2047# else
2048# define Perl_fp_class() fpclass(x)
2049# endif
2050# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2051# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2052# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2053# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2054# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2055# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2056# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2057# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2058# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2059# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2060# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2061# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2062# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2063# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2064# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2065#endif
2066
7114a2d2 2067#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2068# include <math.h>
2069# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2070# include <fp_class.h>
2071# endif
2072# define Perl_fp_class(x) fp_class(x)
2073# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2074# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2075# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2076# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2077# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2078# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2079# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2080# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2081# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2082# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2083# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2084# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2085# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2086# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2087# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2088#endif
2089
2090#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2091# include <math.h>
2092# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2093# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2094# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2095# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2096# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2097# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2098#endif
2099
2100#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2101# include <math.h>
2102# ifndef _cplusplus
2103# define Perl_fp_class(x) class(x)
2104# else
2105# define Perl_fp_class(x) _class(x)
2106# endif
2107# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2108# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2109# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2110# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2111# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2112# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2113# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2114# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2115# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2116# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2117# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2118# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2119# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2120# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2121# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2122#endif
2123
2124/* rumor has it that Win32 has _isnan() */
2125
2126#ifndef Perl_isnan
a3540c92 2127# ifdef HAS_ISNAN
758a5d79
JH		 2128# define Perl_isnan(x) isnan((NV)x)
2129# else
2130# ifdef Perl_fp_class_nan
2131# define Perl_isnan(x) Perl_fp_class_nan(x)
2132# else
2133# ifdef HAS_UNORDERED
2134# define Perl_isnan(x) unordered((x), 0.0)
2135# else
2136# define Perl_isnan(x) ((x)!=(x))
2137# endif
2138# endif
2139# endif
2140#endif
2141
ca6c63e1
JH		 2142#ifdef UNDER_CE
2143int isnan(double d);
2144#endif
2145
758a5d79
JH		 2146#ifndef Perl_isinf
2147# ifdef HAS_ISINF
2148# define Perl_isinf(x) isinf((NV)x)
a3540c92 2149# else
758a5d79
JH		 2150# ifdef Perl_fp_class_inf
2151# define Perl_isinf(x) Perl_fp_class_inf(x)
2152# else
2153# define Perl_isinf(x) ((x)==NV_INF)
2154# endif
2155# endif
2156#endif
2157
2158#ifndef Perl_isfinite
2159# ifdef HAS_FINITE
2160# define Perl_isfinite(x) finite((NV)x)
2161# else
2162# ifdef HAS_ISFINITE
2163# define Perl_isfinite(x) isfinite(x)
2164# else
2165# ifdef Perl_fp_class_finite
2166# define Perl_isfinite(x) Perl_fp_class_finite(x)
2167# else
2168# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2169# endif
2170# endif
a3540c92 2171# endif
65202027
DS		 2172#endif
2173
a36244b7
JH		 2174/* The default is to use Perl's own atof() implementation (in numeric.c).
2175 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2176 * it is however best to use the native implementation of atof.
2177 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2178 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2179 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2180 * you may need to be using a different function than atof! */
a36244b7
JH		 2181
2182#ifndef USE_PERL_ATOF
2183# ifndef _UNICOS
2184# define USE_PERL_ATOF
2185# endif
2186#else
2187# if USE_PERL_ATOF == 0
2188# undef USE_PERL_ATOF
2189# endif
2190#endif
2191
2192#ifdef USE_PERL_ATOF
2193# define Perl_atof(s) Perl_my_atof(s)
2194# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2195#else
2196# define Perl_atof(s) (NV)atof(s)
2197# define Perl_atof2(s, n) ((n) = atof(s))
2198#endif
cf2093f6 2199
d460ef45 2200/* Previously these definitions used hardcoded figures.
760ac839
LW		 2201 * It is hoped these formula are more portable, although
2202 * no data one way or another is presently known to me.
2203 * The "PERL_" names are used because these calculated constants
2204 * do not meet the ANSI requirements for LONG_MAX, etc., which
2205 * need to be constants acceptable to #if - kja
2206 * define PERL_LONG_MAX 2147483647L
2207 * define PERL_LONG_MIN (-LONG_MAX - 1)
2208 * define PERL ULONG_MAX 4294967295L
2209 */
2210
2211#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2212# include <limits.h>
760ac839 2213#endif
205f51d8 2214/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2215 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2216
99abf803 2217/*
2218 * Try to figure out max and min values for the integral types. THE CORRECT
2219 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2220 * following hacks are used if neither limits.h or values.h provide them:
2221 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2222 * for types < int: (unsigned TYPE)~(unsigned)0
2223 * The argument to ~ must be unsigned so that later signed->unsigned
2224 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2225 * and it must not be smaller than int because ~ does integral promotion.
2226 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2227 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2228 * The latter is a hack which happens to work on some machines but
2229 * does *not* catch any random system, or things like integer types
2230 * with NaN if that is possible.
2231 *
2232 * All of the types are explicitly cast to prevent accidental loss of
2233 * numeric range, and in the hope that they will be less likely to confuse
2234 * over-eager optimizers.
2235 *
2236 */
27d4fb96 2237
99abf803 2238#define PERL_UCHAR_MIN ((unsigned char)0)
2239
2240#ifdef UCHAR_MAX
2241# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2242#else
99abf803 2243# ifdef MAXUCHAR
2244# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2245# else
99abf803 2246# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2247# endif
2248#endif
d460ef45 2249
99abf803 2250/*
2251 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2252 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2253 * depending on local options. Until Configure detects this (or at least
2254 * detects whether the "signed" keyword is available) the CHAR ranges
2255 * will not be included. UCHAR functions normally.
2256 * - kja
2257 */
27d4fb96 2258
99abf803 2259#define PERL_USHORT_MIN ((unsigned short)0)
2260
2261#ifdef USHORT_MAX
2262# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2263#else
99abf803 2264# ifdef MAXUSHORT
2265# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2266# else
ef2f54b0
CB		 2267# ifdef USHRT_MAX
2268# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2269# else
2270# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2271# endif
27d4fb96 2272# endif
2273#endif
2274
27d4fb96 2275#ifdef SHORT_MAX
99abf803 2276# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2277#else
2278# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2279# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2280# else
ef2f54b0
CB		 2281# ifdef SHRT_MAX
2282# define PERL_SHORT_MAX ((short)SHRT_MAX)
2283# else
2284# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2285# endif
27d4fb96 2286# endif
2287#endif
2288
2289#ifdef SHORT_MIN
99abf803 2290# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2291#else
2292# ifdef MINSHORT
99abf803 2293# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2294# else
ef2f54b0
CB		 2295# ifdef SHRT_MIN
2296# define PERL_SHORT_MIN ((short)SHRT_MIN)
2297# else
2298# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2299# endif
27d4fb96 2300# endif
2301#endif
2302
99abf803 2303#ifdef UINT_MAX
2304# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2305#else
99abf803 2306# ifdef MAXUINT
2307# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2308# else
99abf803 2309# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2310# endif
2311#endif
2312
99abf803 2313#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2314
2315#ifdef INT_MAX
99abf803 2316# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2317#else
2318# ifdef MAXINT /* Often used in <values.h> */
99abf803 2319# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2320# else
99abf803 2321# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2322# endif
2323#endif
2324
2325#ifdef INT_MIN
99abf803 2326# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2327#else
2328# ifdef MININT
99abf803 2329# define PERL_INT_MIN ((int)MININT)
27d4fb96 2330# else
2331# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2332# endif
2333#endif
2334
99abf803 2335#ifdef ULONG_MAX
2336# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2337#else
99abf803 2338# ifdef MAXULONG
2339# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2340# else
99abf803 2341# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2342# endif
2343#endif
2344
99abf803 2345#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2346
760ac839 2347#ifdef LONG_MAX
99abf803 2348# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2349#else
2350# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2351# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2352# else
99abf803 2353# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2354# endif
2355#endif
2356
2357#ifdef LONG_MIN
99abf803 2358# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2359#else
2360# ifdef MINLONG
99abf803 2361# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2362# else
27d4fb96 2363# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2364# endif
2365#endif
2366
d7d93a81 2367#ifdef UV_IS_QUAD
99abf803 2368
99abf803 2369# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2370# define PERL_UQUAD_MIN ((UV)0)
99abf803 2371# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2372# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2373
79072805
LW		 2374#endif
2375
830247a4 2376struct RExC_state_t;
8e11feef 2377struct _reg_trie_data;
880b20b6 2378
ee0007ab 2379typedef MEM_SIZE STRLEN;
450a55e4 2380
598921a7
NC		 2381#ifdef PERL_MAD
2382typedef struct token TOKEN;
2383typedef struct madprop MADPROP;
2384typedef struct nexttoken NEXTTOKE;
2385#endif
79072805
LW		 2386typedef struct op OP;
2387typedef struct cop COP;
2388typedef struct unop UNOP;
2389typedef struct binop BINOP;
2390typedef struct listop LISTOP;
2391typedef struct logop LOGOP;
79072805
LW		 2392typedef struct pmop PMOP;
2393typedef struct svop SVOP;
7934575e 2394typedef struct padop PADOP;
79072805 2395typedef struct pvop PVOP;
79072805
LW		 2396typedef struct loop LOOP;
2397
7aef8e5b 2398#ifdef PERL_CORE
8be227ab
FC		 2399typedef struct opslab OPSLAB;
2400typedef struct opslot OPSLOT;
2401#endif
2402
52db365a 2403typedef struct block_hooks BHK;
1830b3d9 2404typedef struct custom_op XOP;
52db365a 2405
cd1541b2
NC		 2406typedef struct interpreter PerlInterpreter;
2407
d2b3f365 2408/* SGI's <sys/sema.h> has struct sv */
cc3315ba 2409#if defined(__sgi)
d2b3f365 2410# define STRUCT_SV perl_sv
b8d3c5db
JH		 2411#else
2412# define STRUCT_SV sv
2413#endif
2414typedef struct STRUCT_SV SV;
79072805
LW		 2415typedef struct av AV;
2416typedef struct hv HV;
2417typedef struct cv CV;
d2f13c59 2418typedef struct p5rx REGEXP;
79072805 2419typedef struct gp GP;
0c30d9ec 2420typedef struct gv GV;
8990e307 2421typedef struct io IO;
c09156bb 2422typedef struct context PERL_CONTEXT;
79072805
LW		 2423typedef struct block BLOCK;
2424
2425typedef struct magic MAGIC;
2426typedef struct xpv XPV;
2427typedef struct xpviv XPVIV;
ff68c719 2428typedef struct xpvuv XPVUV;
79072805
LW		 2429typedef struct xpvnv XPVNV;
2430typedef struct xpvmg XPVMG;
2431typedef struct xpvlv XPVLV;
2432typedef struct xpvav XPVAV;
2433typedef struct xpvhv XPVHV;
2434typedef struct xpvgv XPVGV;
2435typedef struct xpvcv XPVCV;
2436typedef struct xpvbm XPVBM;
2437typedef struct xpvfm XPVFM;
8990e307 2438typedef struct xpvio XPVIO;
79072805
LW		 2439typedef struct mgvtbl MGVTBL;
2440typedef union any ANY;
5f7fde29
GS		 2441typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2442typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2443typedef struct clone_params CLONE_PARAMS;
2444
35e035cc 2445/* a pad or name pad is currently just an AV; but that might change,
7261499d
FC		 2446 * so hide the type. */
2447typedef struct padlist PADLIST;
67634234 2448typedef AV PAD;
35e035cc
FC		 2449typedef AV PADNAMELIST;
2450typedef SV PADNAME;
67634234 2451
378cc40b 2452#include "handy.h"
a0d0e21e 2453
6b8eaf93 2454#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2455# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2456# define USE_64_BIT_RAWIO /* implicit */
2457# endif
4564133c
JH		 2458#endif
2459
6b8eaf93
JH		 2460/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2461 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2462 * however, because operating systems like to do that themself. */
2463#ifndef FSEEKSIZE
2464# ifdef HAS_FSEEKO
2465# define FSEEKSIZE LSEEKSIZE
2466# else
2467# define FSEEKSIZE LONGSIZE
d460ef45 2468# endif
6b8eaf93
JH		 2469#endif
2470
2471#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2472# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2473# define USE_64_BIT_STDIO /* implicit */
2474# endif
2475#endif
4564133c 2476
09458382 2477#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2478# ifdef HAS_OFF64_T
2479# undef Off_t
2480# define Off_t off64_t
2481# undef LSEEKSIZE
2482# define LSEEKSIZE 8
5ff3f7a4 2483# endif
d9b3e12d
JH		 2484/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2485 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2486 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2487# if defined(USE_OPEN64)
2488# define open open64
5ff3f7a4 2489# endif
d9b3e12d
JH		 2490# if defined(USE_LSEEK64)
2491# define lseek lseek64
6b8eaf93
JH		 2492# else
2493# if defined(USE_LLSEEK)
2494# define lseek llseek
2495# endif
d9b3e12d
JH		 2496# endif
2497# if defined(USE_STAT64)
2498# define stat stat64
2499# endif
2500# if defined(USE_FSTAT64)
2501# define fstat fstat64
2502# endif
2503# if defined(USE_LSTAT64)
2504# define lstat lstat64
2505# endif
2506# if defined(USE_FLOCK64)
2507# define flock flock64
2508# endif
2509# if defined(USE_LOCKF64)
2510# define lockf lockf64
2511# endif
2512# if defined(USE_FCNTL64)
2513# define fcntl fcntl64
2514# endif
2515# if defined(USE_TRUNCATE64)
2516# define truncate truncate64
2517# endif
2518# if defined(USE_FTRUNCATE64)
2519# define ftruncate ftruncate64
2520# endif
2521#endif
2522
2523#ifdef USE_64_BIT_STDIO
2524# ifdef HAS_FPOS64_T
2525# undef Fpos_t
2526# define Fpos_t fpos64_t
2527# endif
2528/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2529 * will trigger defines like the ones below. Some 64-bit environments,
2530 * however, do not. */
2531# if defined(USE_FOPEN64)
2532# define fopen fopen64
2533# endif
2534# if defined(USE_FSEEK64)
6b8eaf93 2535# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2536# endif
2537# if defined(USE_FTELL64)
6b8eaf93 2538# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2539# endif
2540# if defined(USE_FSETPOS64)
2541# define fsetpos fsetpos64
2542# endif
2543# if defined(USE_FGETPOS64)
2544# define fgetpos fgetpos64
2545# endif
2546# if defined(USE_TMPFILE64)
2547# define tmpfile tmpfile64
2548# endif
2549# if defined(USE_FREOPEN64)
2550# define freopen freopen64
5ff3f7a4
GS		 2551# endif
2552#endif
2553
e37778c2 2554#if defined(OS2)
2c2d71f5
JH		 2555# include "iperlsys.h"
2556#endif
2557
748a9306 2558#ifdef DOSISH
19848b3f
JH		 2559# if defined(OS2)
2560# include "os2ish.h"
2561# else
2562# include "dosish.h"
2563# endif
2564# define ISHISH "dos"
2565#endif
2566
2567#if defined(VMS)
748a9306 2568# include "vmsish.h"
19848b3f
JH		 2569# define ISHISH "vms"
2570#endif
2571
2572#if defined(PLAN9)
2573# include "./plan9/plan9ish.h"
2574# define ISHISH "plan9"
2575#endif
2576
19848b3f 2577#if defined(__VOS__)
196918b0
PG		 2578# ifdef __GNUC__
2579# include "./vos/vosish.h"
2580# else
2581# include "vos/vosish.h"
2582# endif
19848b3f
JH		 2583# define ISHISH "vos"
2584#endif
2585
2586#if defined(EPOC)
2587# include "epocish.h"
2588# define ISHISH "epoc"
2589#endif
2590
9969cdde 2591#ifdef __SYMBIAN32__
27da23d5 2592# include "symbian/symbianish.h"
27da23d5
JH		 2593# define ISHISH "symbian"
2594#endif
2595
19848b3f 2596
df00ff3b
IW		 2597#if defined(__HAIKU__)
2598# include "haiku/haikuish.h"
2599# define ISHISH "haiku"
2600#elif defined(__BEOS__)
efca5cc6
JH		 2601# include "beos/beosish.h"
2602# define ISHISH "beos"
2603#endif
2604
19848b3f
JH		 2605#ifndef ISHISH
2606# include "unixish.h"
2607# define ISHISH "unix"
13b6e58c
JH		 2608#endif
2609
2946a158
JH		 2610/* NSIG logic from Configure --> */
2611/* Strange style to avoid deeply-nested #if/#else/#endif */
2612#ifndef NSIG
2613# ifdef _NSIG
2614# define NSIG (_NSIG)
2615# endif
2616#endif
2617
2618#ifndef NSIG
2619# ifdef SIGMAX
2620# define NSIG (SIGMAX+1)
2621# endif
2622#endif
2623
2624#ifndef NSIG
2625# ifdef SIG_MAX
2626# define NSIG (SIG_MAX+1)
2627# endif
2628#endif
2629
2630#ifndef NSIG
2631# ifdef _SIG_MAX
2632# define NSIG (_SIG_MAX+1)
2633# endif
2634#endif
2635
2636#ifndef NSIG
2637# ifdef MAXSIG
2638# define NSIG (MAXSIG+1)
2639# endif
2640#endif
2641
2642#ifndef NSIG
2643# ifdef MAX_SIG
2644# define NSIG (MAX_SIG+1)
2645# endif
2646#endif
2647
2648#ifndef NSIG
2649# ifdef SIGARRAYSIZE
2650# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2651# endif
2652#endif
2653
2654#ifndef NSIG
2655# ifdef _sys_nsig
2656# define NSIG (_sys_nsig) /* Solaris 2.5 */
2657# endif
2658#endif
2659
2660/* Default to some arbitrary number that's big enough to get most
2661 of the common signals.
2662*/
2663#ifndef NSIG
2664# define NSIG 50
2665#endif
2666/* <-- NSIG logic from Configure */
2667
13b6e58c
JH		 2668#ifndef NO_ENVIRON_ARRAY
2669# define USE_ENVIRON_ARRAY
2670#endif
32f822de 2671
c77b533b
JH		 2672/*
2673 * initialise to avoid floating-point exceptions from overflow, etc
2674 */
2675#ifndef PERL_FPU_INIT
2676# ifdef HAS_FPSETMASK
2677# if HAS_FLOATINGPOINT_H
2678# include <floatingpoint.h>
2679# endif
ad3a8c67
NC		 2680/* Some operating systems have this as a macro, which in turn expands to a comma
2681 expression, and the last sub-expression is something that gets calculated,
2682 and then they have the gall to warn that a value computed is not used. Hence
2683 cast to void. */
2684# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2685# else
2f42fcb0 2686# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2687# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2688# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2689# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2690# else
2691# define PERL_FPU_INIT
2f42fcb0 2692
7014c407 2693# endif
c77b533b
JH		 2694# endif
2695#endif
b35112e7
CS		 2696#ifndef PERL_FPU_PRE_EXEC
2697# define PERL_FPU_PRE_EXEC {
2698# define PERL_FPU_POST_EXEC }
2699#endif
c77b533b 2700
cbec8ebe
DM		 2701#ifndef PERL_SYS_INIT3_BODY
2702# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2703#endif
2704
eb533572 2705/*
4ad9e498 2706=for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
eb533572
DM		 2707Provides system-specific tune up of the C runtime environment necessary to
2708run Perl interpreters. This should be called only once, before creating
2709any Perl interpreters.
2710
4ad9e498 2711=for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
eb533572
DM		 2712Provides system-specific tune up of the C runtime environment necessary to
2713run Perl interpreters. This should be called only once, before creating
2714any Perl interpreters.
2715
2716=for apidoc Am|void|PERL_SYS_TERM|
2717Provides system-specific clean up of the C runtime environment after
2718running Perl interpreters. This should be called only once, after
2719freeing any remaining Perl interpreters.
2720
2721=cut
2722 */
2723
cbec8ebe
DM		 2724#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2725#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2726#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2727
be708cc0
JH		 2728#ifndef PERL_WRITE_MSG_TO_CONSOLE
2729# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2730#endif
2731
0f31cffe
GS		 2732#ifndef MAXPATHLEN
2733# ifdef PATH_MAX
b990c8b2
JH		 2734# ifdef _POSIX_PATH_MAX
2735# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2736/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2737 * included the null byte or not. Later amendments of POSIX,
2738 * XPG4, the Austin Group, and the Single UNIX Specification
2739 * all explicitly include the null byte in the PATH_MAX.
2740 * Ditto for _POSIX_PATH_MAX. */
2741# define MAXPATHLEN PATH_MAX
b990c8b2 2742# else
09448d78 2743# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2744# endif
2745# else
2746# define MAXPATHLEN (PATH_MAX+1)
2747# endif
0f31cffe 2748# else
d552bce8 2749# define MAXPATHLEN 1024 /* Err on the large side. */
0f31cffe
GS		 2750# endif
2751#endif
2752
c80263a8
SH		 2753/* In case Configure was not used (we are using a "canned config"
2754 * such as Win32, or a cross-compilation setup, for example) try going
2755 * by the gcc major and minor versions. One useful URL is
2756 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2757 * but contrary to this information warn_unused_result seems
2758 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2759 * Also, when building extensions with an installed perl, this allows
2760 * the user to upgrade gcc and get the right attributes, rather than
2761 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2762 * Set these up now otherwise we get confused when some of the <*thread.h>
2763 * includes below indirectly pull in <perlio.h> (which needs to know if we
2764 * have HASATTRIBUTE_FORMAT).
2765 */
2766
4d7c7898 2767#ifndef PERL_MICRO
fc2007d4 2768#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2769# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2770# define HASATTRIBUTE_DEPRECATED
2771# endif
c80263a8
SH		 2772# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2773# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2774# if defined __MINGW32__
2775# define PRINTF_FORMAT_NULL_OK
2776# endif
c80263a8
SH		 2777# endif
2778# if __GNUC__ >= 3 /* 3.0 -> */
2779# define HASATTRIBUTE_MALLOC
2780# endif
2781# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2782# define HASATTRIBUTE_NONNULL
2783# endif
2784# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2785# define HASATTRIBUTE_NORETURN
2786# endif
2787# if __GNUC__ >= 3 /* gcc 3.0 -> */
2788# define HASATTRIBUTE_PURE
2789# endif
42bf5550 2790# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2791# define HASATTRIBUTE_UNUSED
2792# endif
d324fe49
AD		 2793# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2794# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2795# endif
c80263a8
SH		 2796# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2797# define HASATTRIBUTE_WARN_UNUSED_RESULT
2798# endif
2799#endif
00f254e2 2800#endif /* #ifndef PERL_MICRO */
c80263a8 2801
3db8f154 2802/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2803 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2804 * this results in many functions being undeclared which bothers C++
2805 * May make sense to have threads after "*ish.h" anyway
2806 */
2807
3db8f154 2808#if defined(USE_ITHREADS)
2986a63f
JH		 2809# ifdef NETWARE
2810# include <nw5thread.h>
2811# else
32f822de
GS		 2812# ifdef FAKE_THREADS
2813# include "fakethr.h"
2814# else
2815# ifdef WIN32
2816# include <win32thread.h>
2817# else
dd96f567
IZ		 2818# ifdef OS2
2819# include "os2thread.h"
2820# else
7f3d1cf1 2821# ifdef I_MACH_CTHREADS
bdd66968 2822# include <mach/cthreads.h>
8f1f23e8 2823# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2824# define MUTEX_INIT_CALLS_MALLOC
2825# endif
7f3d1cf1
BH		 2826typedef cthread_t perl_os_thread;
2827typedef mutex_t perl_mutex;
2828typedef condition_t perl_cond;
2829typedef void * perl_key;
2830# else /* Posix threads */
1f5ae88c
JH		 2831# ifdef I_PTHREAD
2832# include <pthread.h>
2833# endif
7f3d1cf1
BH		 2834typedef pthread_t perl_os_thread;
2835typedef pthread_mutex_t perl_mutex;
2836typedef pthread_cond_t perl_cond;
2837typedef pthread_key_t perl_key;
2838# endif /* I_MACH_CTHREADS */
dd96f567 2839# endif /* OS2 */
32f822de
GS		 2840# endif /* WIN32 */
2841# endif /* FAKE_THREADS */
2986a63f 2842#endif /* NETWARE */
3db8f154 2843#endif /* USE_ITHREADS */
c5be433b 2844
66a93824 2845#if defined(WIN32)
1feb2720 2846# include "win32.h"
c5be433b
GS		 2847#endif
2848
2986a63f
JH		 2849#ifdef NETWARE
2850# include "netware.h"
2851#endif
2852
e5218da5 2853#define STATUS_UNIX PL_statusvalue
68dc0745 2854#ifdef VMS
6b88bc9c 2855# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2856/*
2857 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2858 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2859 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2860 * be updated also.
2861 */
2862# include <stsdef.h>
2863# include <ssdef.h>
2864/* Presume this because if VMS changes it, it will require a new
2865 * set of APIs for waiting on children for binary compatibility.
2866 */
2867# define child_offset_bits (8)
2868# ifndef C_FAC_POSIX
2869# define C_FAC_POSIX 0x35A000
2870# endif
2871
2872/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2873 * platform from the existing UNIX or Native status values.
2874 */
2875
37038d91 2876# define STATUS_EXIT \
7a7fd8e0
JM		 2877 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2878 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2879
7a7fd8e0 2880
fb38d079
JM		 2881/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2882 * exit code and shifts the UNIX value over the correct number of bits to
2883 * be a child status. Usually the number of bits is 8, but that could be
2884 * platform dependent. The NATIVE status code is presumed to have either
2885 * from a child process.
7a7fd8e0
JM		 2886 */
2887
fb38d079
JM		 2888/* This is complicated. The child processes return a true native VMS
2889 status which must be saved. But there is an assumption in Perl that
2890 the UNIX child status has some relationship to errno values, so
00f254e2 2891 Perl tries to translate it to text in some of the tests.
fb38d079
JM		 2892 In order to get the string translation correct, for the error, errno
2893 must be EVMSERR, but that generates a different text message
2894 than what the test programs are expecting. So an errno value must
2895 be derived from the native status value when an error occurs.
2896 That will hide the true native status message. With this version of
2897 perl, the true native child status can always be retrieved so that
2898 is not a problem. But in this case, Pl_statusvalue and errno may
2899 have different values in them.
2900 */
7a7fd8e0 2901
fb38d079 2902# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2903 STMT_START { \
2fbb330f
JM		 2904 I32 evalue = (I32)n; \
2905 if (evalue == EVMSERR) { \
2906 PL_statusvalue_vms = vaxc$errno; \
2907 PL_statusvalue = evalue; \
7a7fd8e0 2908 } else { \
2fbb330f 2909 PL_statusvalue_vms = evalue; \
fb38d079 2910 if (evalue == -1) { \
3280af22 2911 PL_statusvalue = -1; \
7a7fd8e0
JM		 2912 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2913 } else \
fb38d079 2914 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2915 set_vaxc_errno(evalue); \
fb38d079
JM		 2916 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2917 set_errno(EVMSERR); \
2918 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2919 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2920 } \
68dc0745 2921 } STMT_END
7a7fd8e0 2922
68dc0745 2923# ifdef VMSISH_STATUS
e5218da5 2924# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2925# else
e5218da5 2926# define STATUS_CURRENT STATUS_UNIX
68dc0745 2927# endif
7a7fd8e0
JM		 2928
2929 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2930 * the NATIVE status to an equivalent value. Can not be used to translate
2931 * exit code values as exit code values are not guaranteed to have any
2932 * relationship at all to errno values.
2933 * This is used when Perl is forcing errno to have a specific value.
2934 */
e5218da5 2935# define STATUS_UNIX_SET(n) \
68dc0745 2936 STMT_START { \
7a7fd8e0 2937 I32 evalue = (I32)n; \
0968cdad 2938 PL_statusvalue = evalue; \
3280af22 2939 if (PL_statusvalue != -1) { \
0968cdad
JM		 2940 if (PL_statusvalue != EVMSERR) { \
2941 PL_statusvalue &= 0xFFFF; \
2942 if (MY_POSIX_EXIT) \
2943 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2944 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2945 } \
2946 else { \
2947 PL_statusvalue_vms = vaxc$errno; \
2948 } \
68dc0745 2949 } \
0968cdad
JM		 2950 else PL_statusvalue_vms = SS$_ABORT; \
2951 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2952 } STMT_END
2953
2954 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 2955 * the NATIVE error status based on it.
2956 *
2957 * When in the default mode to comply with the Perl VMS documentation,
2958 * 0 is a success and any other code sets the NATIVE status to a failure
2959 * code of SS$_ABORT.
fb38d079
JM		 2960 *
2961 * In the new POSIX EXIT mode, native status will be set so that the
2962 * actual exit code will can be retrieved by the calling program or
2963 * shell.
2964 *
2965 * If the exit code is not clearly a UNIX parent or child exit status,
2966 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2967 */
2968
fb38d079 2969# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2970 STMT_START { \
2971 I32 evalue = (I32)n; \
2972 PL_statusvalue = evalue; \
e08e1e1d
JM		 2973 if (MY_POSIX_EXIT) { \
2974 if (evalue <= 0xFF00) { \
2975 if (evalue > 0xFF) \
2976 evalue = (evalue >> child_offset_bits) & 0xFF; \
2977 PL_statusvalue_vms = \
2978 (C_FAC_POSIX | (evalue << 3 ) | \
2979 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
2980 } else /* forgive them Perl, for they have sinned */ \
2981 PL_statusvalue_vms = evalue; \
2982 } else { \
2983 if (evalue == 0) \
2984 PL_statusvalue_vms = SS$_NORMAL; \
2985 else if (evalue <= 0xFF00) \
2986 PL_statusvalue_vms = SS$_ABORT; \
2987 else { /* forgive them Perl, for they have sinned */ \
2988 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2989 else PL_statusvalue_vms = vaxc$errno; \
2990 /* And obviously used a VMS status value instead of UNIX */ \
2991 PL_statusvalue = EVMSERR; \
2992 } \
2993 set_vaxc_errno(PL_statusvalue_vms); \
2994 } \
68dc0745 2995 } STMT_END
fb38d079 2996
e08e1e1d 2997
6ac6a52b
JM		 2998 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2999 * and sets the NATIVE error status based on it. This special case
3000 * is needed to maintain compatibility with past VMS behavior.
3001 *
3002 * In the default mode on VMS, this number is passed through as
3003 * both the NATIVE and UNIX status. Which makes it different
3004 * that the STATUS_UNIX_EXIT_SET.
3005 *
3006 * In the new POSIX EXIT mode, native status will be set so that the
3007 * actual exit code will can be retrieved by the calling program or
3008 * shell.
3009 *
1a3aec58
JM		 3010 * A POSIX exit code is from 0 to 255. If the exit code is higher
3011 * than this, it needs to be assumed that it is a VMS exit code and
3012 * passed through.
6ac6a52b
JM		 3013 */
3014
3015# define STATUS_EXIT_SET(n) \
3016 STMT_START { \
3017 I32 evalue = (I32)n; \
3018 PL_statusvalue = evalue; \
3019 if (MY_POSIX_EXIT) \
1a3aec58
JM		 3020 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3021 PL_statusvalue_vms = \
3022 (C_FAC_POSIX | (evalue << 3 ) | \
3023 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 3024 else \
3025 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3026 set_vaxc_errno(PL_statusvalue_vms); \
3027 } STMT_END
3028
fb38d079
JM		 3029
3030 /* This macro forces a success status */
7a7fd8e0
JM		 3031# define STATUS_ALL_SUCCESS \
3032 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 3033
3034 /* This macro forces a failure status */
7a7fd8e0
JM		 3035# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3036 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3037 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3038
68dc0745 3039#else
e5218da5 3040# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3041# if defined(WCOREDUMP)
37038d91 3042# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3043 STMT_START { \
3044 PL_statusvalue_posix = (n); \
3045 if (PL_statusvalue_posix == -1) \
3046 PL_statusvalue = -1; \
3047 else { \
3048 PL_statusvalue = \
3049 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3050 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3051 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3052 } \
3053 } STMT_END
3054# elif defined(WIFEXITED)
37038d91 3055# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3056 STMT_START { \
3057 PL_statusvalue_posix = (n); \
3058 if (PL_statusvalue_posix == -1) \
3059 PL_statusvalue = -1; \
3060 else { \
3061 PL_statusvalue = \
3062 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3063 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3064 } \
3065 } STMT_END
3066# else
37038d91 3067# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3068 STMT_START { \
3069 PL_statusvalue_posix = (n); \
3070 if (PL_statusvalue_posix == -1) \
3071 PL_statusvalue = -1; \
3072 else { \
3073 PL_statusvalue = \
3074 PL_statusvalue_posix & 0xFFFF; \
3075 } \
3076 } STMT_END
3077# endif
3078# define STATUS_UNIX_SET(n) \
68dc0745 3079 STMT_START { \
3280af22
NIS		 3080 PL_statusvalue = (n); \
3081 if (PL_statusvalue != -1) \
3082 PL_statusvalue &= 0xFFFF; \
68dc0745 3083 } STMT_END
7a7fd8e0 3084# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3085# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3086# define STATUS_CURRENT STATUS_UNIX
37038d91 3087# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3088# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3089# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3090#endif
3091
cc3604b1
GS		 3092/* flags in PL_exit_flags for nature of exit() */
3093#define PERL_EXIT_EXPECTED 0x01
31d77e54 3094#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3095
b79b76e0 3096#ifndef PERL_CORE
a7cb1f99 3097/* format to use for version numbers in file/directory names */
273cf8d1 3098/* XXX move to Configure? */
b79b76e0
NC		 3099/* This was only ever used for the current version, and that can be done at
3100 compile time, as PERL_FS_VERSION, so should we just delete it? */
3101# ifndef PERL_FS_VER_FMT
3102# define PERL_FS_VER_FMT "%d.%d.%d"
3103# endif
3104#endif
3105
3106#ifndef PERL_FS_VERSION
3107# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS		 3108#endif
3109
45bc9206 3110/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3111 * performance issue, so we allow people to disable it. Also, if
3112 * we are using stdio, there are broken implementations of fflush(NULL)
3113 * out there, Solaris being the most prominent.
45bc9206
GS		 3114 */
3115#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3116# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3117# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3118# else
3119# ifdef FFLUSH_ALL
3120# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3121# else
c5be433b 3122# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3123# endif
66fe083f 3124# endif
45bc9206
GS		 3125#endif
3126
7766f137
GS		 3127#ifndef PERL_WAIT_FOR_CHILDREN
3128# define PERL_WAIT_FOR_CHILDREN NOOP
3129#endif
3130
ba869deb 3131/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3132#ifndef PERL_SET_INTERP
3133# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3134#endif
3135
3136#ifndef PERL_GET_INTERP
3137# define PERL_GET_INTERP (PL_curinterp)
3138#endif
3139
54aff467 3140#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3141# ifdef MULTIPLICITY
ba869deb 3142# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3143# endif
ba869deb
GS		 3144# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3145#endif
3146
00f254e2 3147/*
8896765a 3148 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3149 All that is required is that the perl source does not
00f254e2
KW		 3150 use "%-p" or "%-<number>p" or "%<number>p" formats.
3151 These formats will still work in perl code.
486ec47a 3152 See comments in sv.c for further details.
8896765a 3153
8896765a 3154 Robin Barker 2005-07-14
f46d31f2 3155
00f254e2 3156 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3157*/
8896765a
RB		 3158
3159#ifndef SVf_
63ce7bf0 3160# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3161#endif
3162
8896765a 3163#ifndef SVf
104abab4 3164# define SVf "-p"
d2560b70
RB		 3165#endif
3166
014ead4b 3167#ifndef SVf32
8896765a 3168# define SVf32 SVf_(32)
014ead4b
RB		 3169#endif
3170
3171#ifndef SVf256
8896765a
RB		 3172# define SVf256 SVf_(256)
3173#endif
3174
be2597df
MHM		 3175#define SVfARG(p) ((void*)(p))
3176
20023040
FC		 3177#ifndef HEKf
3178# define HEKf "2p"
3179#endif
3180
b8fa5213
FC		 3181/* Not ideal, but we cannot easily include a number in an already-numeric
3182 * format sequence. */
3183#ifndef HEKf256
3184# define HEKf256 "3p"
3185#endif
3186
20023040
FC		 3187#define HEKfARG(p) ((void*)(p))
3188
f46d31f2 3189#ifdef PERL_CORE
486ec47a 3190/* not used; but needed for backward compatibility with XS code? - RMB */
f46d31f2
RB		 3191# undef VDf
3192#else
3193# ifndef VDf
8896765a
RB		 3194# define VDf "vd"
3195# endif
014ead4b 3196#endif
170cd9e9
NC		 3197
3198#ifdef PERL_CORE
486ec47a 3199/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB		 3200# undef UVf
3201#else
170cd9e9
NC		 3202# ifndef UVf
3203# define UVf UVuf
3204# endif
d2560b70
RB		 3205#endif
3206
fcdf39cf
RGS		 3207#ifdef HASATTRIBUTE_DEPRECATED
3208# define __attribute__deprecated__ __attribute__((deprecated))
3209#endif
0dbb1585
AL		 3210#ifdef HASATTRIBUTE_FORMAT
3211# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3212#endif
3213#ifdef HASATTRIBUTE_MALLOC
77785eea 3214# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3215#endif
0dbb1585 3216#ifdef HASATTRIBUTE_NONNULL
abb2c242 3217# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3218#endif
0dbb1585 3219#ifdef HASATTRIBUTE_NORETURN
abb2c242 3220# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3221#endif
0dbb1585 3222#ifdef HASATTRIBUTE_PURE
abb2c242 3223# define __attribute__pure__ __attribute__((pure))
f22be1b8 3224#endif
0dbb1585
AL		 3225#ifdef HASATTRIBUTE_UNUSED
3226# define __attribute__unused__ __attribute__((unused))
3227#endif
3228#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3229# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3230#endif
3231
0dbb1585 3232/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3233#ifndef __attribute__deprecated__
3234# define __attribute__deprecated__
3235#endif
0dbb1585
AL		 3236#ifndef __attribute__format__
3237# define __attribute__format__(x,y,z)
3238#endif
f22be1b8 3239#ifndef __attribute__malloc__
abb2c242 3240# define __attribute__malloc__
f22be1b8
JH		 3241#endif
3242#ifndef __attribute__nonnull__
abb2c242 3243# define __attribute__nonnull__(a)
f22be1b8
JH		 3244#endif
3245#ifndef __attribute__noreturn__
abb2c242 3246# define __attribute__noreturn__
f22be1b8
JH		 3247#endif
3248#ifndef __attribute__pure__
abb2c242 3249# define __attribute__pure__
f22be1b8 3250#endif
0dbb1585
AL		 3251#ifndef __attribute__unused__
3252# define __attribute__unused__
3253#endif
f22be1b8 3254#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3255# define __attribute__warn_unused_result__
3256#endif
3257
0dbb1585
AL		 3258/* For functions that are marked as __attribute__noreturn__, it's not
3259 appropriate to call return. In either case, include the lint directive.
3260 */
3261#ifdef HASATTRIBUTE_NORETURN
118e2215 3262# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */
0dbb1585 3263#else
118e2215 3264# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */ return 0
abb2c242
JH		 3265#endif
3266
cdfeb707
RB		 3267/* Some OS warn on NULL format to printf */
3268#ifdef PRINTF_FORMAT_NULL_OK
3269# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3270#else
00f254e2 3271# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB		 3272#endif
3273
635aebb7 3274#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3275# define EXPECT(expr,val) __builtin_expect(expr,val)
3276#else
3277# define EXPECT(expr,val) (expr)
3278#endif
3279#define LIKELY(cond) EXPECT(cond,1)
3280#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3281#ifdef HAS_BUILTIN_CHOOSE_EXPR
3282/* placeholder */
3283#endif
b37c2d43 3284
3fc1aec6 3285/* Some unistd.h's give a prototype for pause() even though
3286 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3287 below to be rejected by the compiler. Sigh.
3fc1aec6 3288*/
3289#ifdef HAS_PAUSE
3290#define Pause pause
3291#else
3292#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3293#endif
3294
3295#ifndef IOCPARM_LEN
3296# ifdef IOCPARM_MASK
61f1c44b 3297 /* on BSDish systems we're safe */
748a9306
LW		 3298# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3299# else
61f1c44b 3300# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3301 /* on Linux systems we're safe; except when we're not [perl #38223] */
3302# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3303# else
748a9306 3304 /* otherwise guess at what's safe */
61f1c44b
JVD		 3305# define IOCPARM_LEN(x) 256
3306# endif
748a9306 3307# endif
a0d0e21e
LW		 3308#endif
3309
1761cee5 3310#if defined(__CYGWIN__)
521e0776
GS		 3311/* USEMYBINMODE
3312 * This symbol, if defined, indicates that the program should
16fe6d59 3313 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3314 * that a file is in "binary" mode -- that is, that no translation
3315 * of bytes occurs on read or write operations.
3316 */
36894f0b 3317# define USEMYBINMODE /**/
77a40698 3318# include <io.h> /* for setmode() prototype */
16fe6d59 3319# define my_binmode(fp, iotype, mode) \
77a40698 3320 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3321#endif
3322
88d10794
JH		 3323#ifdef __CYGWIN__
3324void init_os_extras(void);
3325#endif
3326
cea2e8a9
GS		 3327#ifdef UNION_ANY_DEFINITION
3328UNION_ANY_DEFINITION;
3329#else
3330union any {
3331 void* any_ptr;
3332 I32 any_i32;
3333 IV any_iv;
c6bf6a65 3334 UV any_uv;
cea2e8a9 3335 long any_long;
9febdf04 3336 bool any_bool;
c76ac1ee 3337 void (*any_dptr) (void*);
acfe0abc 3338 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3339};
3340#endif
3341
acfe0abc 3342typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3343
3344#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3345#define FILTER_DATA(idx) \
3346 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3347#define FILTER_ISREADER(idx) \
3348 (PL_parser && PL_parser->rsfp_filters \
3349 && idx >= AvFILLp(PL_parser->rsfp_filters))
3350#define PERL_FILTER_EXISTS(i) \
3351 (PL_parser && PL_parser->rsfp_filters \
3352 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3353
c5078cac
JH		 3354#if defined(_AIX) && !defined(_AIX43)
3355#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3356/* We cannot include <crypt.h> to get the struct crypt_data
3357 * because of setkey prototype problems when threading */
3358typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3359 /* From OSF, Not needed in AIX
3360 char C[28], D[28];
3361 */
3362 char E[48];
3363 char KS[16][48];
3364 char block[66];
3365 char iobuf[16];
3366} CRYPTD;
3367#endif /* threading */
3368#endif /* AIX */
3369
e37778c2 3370#if !defined(OS2)
2c2d71f5
JH		 3371# include "iperlsys.h"
3372#endif
504f80c1 3373
9c12f1e5 3374#ifdef __LIBCATAMOUNT__
00f254e2 3375#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS		 3376#undef HAS_GROUP
3377#define FAKE_BIT_BUCKET
3378#endif
3379
d10dc2ae
JH		 3380/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3381 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3382 * defined by Configure, despite their names being similar to the
3383 * other defines like USE_ITHREADS. Configure in fact knows nothing
3384 * about the randomised hashes. Therefore to enable/disable the hash
3385 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3386#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3387# define USE_HASH_SEED
504f80c1
JH		 3388#endif
3389
598921a7
NC		 3390/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3391 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3392 * it's not really needed.
3393 */
3394#if defined(WIN32)
3395# define YYTOKENTYPE
3396#endif
3397#include "perly.h"
3398
3399#ifdef PERL_MAD
3400struct nexttoken {
3401 YYSTYPE next_val; /* value of next token, if any */
3402 I32 next_type; /* type of next token */
3403 MADPROP *next_mad; /* everything else about that token */
3404};
3405#endif
3406
654eccd5
JD		 3407/* macros to define bit-fields in structs. */
3408#ifndef PERL_BITFIELD8
3409# define PERL_BITFIELD8 unsigned
3410#endif
3411#ifndef PERL_BITFIELD16
3412# define PERL_BITFIELD16 unsigned
3413#endif
3414#ifndef PERL_BITFIELD32
3415# define PERL_BITFIELD32 unsigned
3416#endif
3417
79072805 3418#include "sv.h"
288b8c02 3419#include "regexp.h"
378cc40b 3420#include "util.h"
8d063cd8 3421#include "form.h"
79072805 3422#include "gv.h"
dd2155a4 3423#include "pad.h"
79072805 3424#include "cv.h"
abdd5c84 3425#include "opnames.h"
79072805 3426#include "op.h"
b3ca2e83 3427#include "hv.h"
79072805
LW		 3428#include "cop.h"
3429#include "av.h"
79072805
LW		 3430#include "mg.h"
3431#include "scope.h"
4438c4b7 3432#include "warnings.h"
a0ed51b3 3433#include "utf8.h"
8d063cd8 3434
0d7d409d
DM		 3435/* these would be in doio.h if there was such a file */
3436#define my_stat() my_stat_flags(SV_GMAGIC)
3437#define my_lstat() my_lstat_flags(SV_GMAGIC)
3438
20f4945e 3439/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM		 3440#undef _XPV_HEAD
3441#undef _XPVMG_HEAD
3442#undef _XPVCV_COMMON
7fae4e64
GS		 3443
3444typedef struct _sublex_info SUBLEXINFO;
3445struct _sublex_info {
651b5b28
NC		 3446 U8 super_state; /* lexer state to save */
3447 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3448 OP *sub_op; /* "lex_op" to use */
7cc34111 3449 SV *repl; /* replacement of s/// or y/// */
7fae4e64
GS		 3450};
3451
199e78b7
DM		 3452#include "parser.h"
3453
455ece5e 3454typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3455
2c2d71f5 3456struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3457struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3458
5f7fde29
GS		 3459struct ptr_tbl_ent {
3460 struct ptr_tbl_ent* next;
53c1dcc0 3461 const void* oldval;
5f7fde29 3462 void* newval;
d18c6117
GS		 3463};
3464
5f7fde29
GS		 3465struct ptr_tbl {
3466 struct ptr_tbl_ent** tbl_ary;
3467 UV tbl_max;
3468 UV tbl_items;
db93c0c4
NC		 3469 struct ptr_tbl_arena *tbl_arena;
3470 struct ptr_tbl_ent *tbl_arena_next;
3471 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS		 3472};
3473
fe14fcc3
LW		 3474#if defined(htonl) && !defined(HAS_HTONL)
3475#define HAS_HTONL
ae986130 3476#endif
fe14fcc3
LW		 3477#if defined(htons) && !defined(HAS_HTONS)
3478#define HAS_HTONS
ae986130 3479#endif
fe14fcc3
LW		 3480#if defined(ntohl) && !defined(HAS_NTOHL)
3481#define HAS_NTOHL
ae986130 3482#endif
fe14fcc3
LW		 3483#if defined(ntohs) && !defined(HAS_NTOHS)
3484#define HAS_NTOHS
ae986130 3485#endif
fe14fcc3 3486#ifndef HAS_HTONL
d9d8d8de 3487#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3488#define HAS_HTONS
3489#define HAS_HTONL
3490#define HAS_NTOHS
3491#define HAS_NTOHL
a687059c
LW		 3492#define MYSWAP
3493#define htons my_swap
3494#define htonl my_htonl
3495#define ntohs my_swap
3496#define ntohl my_ntohl
3497#endif
3498#else
d9d8d8de 3499#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3500#undef HAS_HTONS
3501#undef HAS_HTONL
3502#undef HAS_NTOHS
3503#undef HAS_NTOHL
a687059c
LW		 3504#endif
3505#endif
3506
988174c1
LW		 3507/*
3508 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3509 * -DWS
3510 */
3511#if BYTEORDER != 0x1234
3512# define HAS_VTOHL
3513# define HAS_VTOHS
3514# define HAS_HTOVL
3515# define HAS_HTOVS
c67712b2 3516# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3517# define vtohl(x) ((((x)&0xFF)<<24) \
3518 +(((x)>>24)&0xFF) \
3519 +(((x)&0x0000FF00)<<8) \
3520 +(((x)&0x00FF0000)>>8) )
3521# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3522# define htovl(x) vtohl(x)
3523# define htovs(x) vtohs(x)
3524# endif
3525 /* otherwise default to functions in util.c */
2a8c3029 3526#ifndef htovs
c623ac67
GS		 3527short htovs(short n);
3528short vtohs(short n);
3529long htovl(long n);
3530long vtohl(long n);
988174c1 3531#endif
2a8c3029 3532#endif
988174c1 3533
3bb7c1b4
JH		 3534/* *MAX Plus 1. A floating point value.
3535 Hopefully expressed in a way that dodgy floating point can't mess up.
3536 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3537 is added to it
3538 May find that some broken compiler will want the value cast to I32.
3539 [after the shift, as signed >> may not be as secure as unsigned >>]
3540*/
3541#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3542#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3543/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3544 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3545 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3546*/
3547#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3548
3bb7c1b4
JH		 3549#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3550#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3551#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3552
3553/* This may look like unnecessary jumping through hoops, but converting
3554 out of range floating point values to integers *is* undefined behaviour,
3555 and it is starting to bite.
3556*/
3557#ifndef CAST_INLINE
65202027 3558#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3559#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3560#define I_V(what) (cast_iv((NV)(what)))
3561#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3562#else
3563#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3564 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3565 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3566#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3567 : ((n) < U32_MAX_P1 ? (U32) (n) \
3568 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3569#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3570 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3571 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3572#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3573 : ((n) < UV_MAX_P1 ? (UV) (n) \
3574 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3575#endif
3576
3577#define U_S(what) ((U16)U_32(what))
3578#define U_I(what) ((unsigned int)U_32(what))
3579#define U_L(what) U_32(what)
ed6116ce 3580
ed140128
AD		 3581#ifdef HAS_SIGNBIT
3582# define Perl_signbit signbit
3583#endif
3584
2d4389e4
JH		 3585/* These do not care about the fractional part, only about the range. */
3586#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3587#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3588
25da4f38
IZ		 3589/* Used with UV/IV arguments: */
3590 /* XXXX: need to speed it up */
3591#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3592#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3593
352d5a3a
LW		 3594#ifndef MAXSYSFD
3595# define MAXSYSFD 2
3596#endif
ee0007ab 3597
79072805 3598#ifndef __cplusplus
e37d7e38 3599#if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3600Uid_t getuid (void);
3601Uid_t geteuid (void);
3602Gid_t getgid (void);
3603Gid_t getegid (void);
79072805 3604#endif
e1caacb4 3605#endif
8d063cd8 3606
0c30d9ec 3607#ifndef Perl_debug_log
bf49b057
GS		 3608# define Perl_debug_log PerlIO_stderr()
3609#endif
3610
3611#ifndef Perl_error_log
3612# define Perl_error_log (PL_stderrgv \
6b78add2 3613 && isGV(PL_stderrgv) \
01bb7c6d 3614 && GvIOp(PL_stderrgv) \
42de951c 3615 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3616 ? IoOFP(GvIOp(PL_stderrgv)) \
3617 : PerlIO_stderr())
0c30d9ec 3618#endif
3967c732 3619
aea4f609
DM		 3620
3621#define DEBUG_p_FLAG 0x00000001 /* 1 */
3622#define DEBUG_s_FLAG 0x00000002 /* 2 */
3623#define DEBUG_l_FLAG 0x00000004 /* 4 */
3624#define DEBUG_t_FLAG 0x00000008 /* 8 */
3625#define DEBUG_o_FLAG 0x00000010 /* 16 */
3626#define DEBUG_c_FLAG 0x00000020 /* 32 */
3627#define DEBUG_P_FLAG 0x00000040 /* 64 */
3628#define DEBUG_m_FLAG 0x00000080 /* 128 */
3629#define DEBUG_f_FLAG 0x00000100 /* 256 */
3630#define DEBUG_r_FLAG 0x00000200 /* 512 */
3631#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3632#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3633/* U is reserved for Unofficial, exploratory hacking */
3634#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3635#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3636#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3637#define DEBUG_D_FLAG 0x00008000 /* 32768 */
56967202 3638#define DEBUG_S_FLAG 0x00010000 /* 65536 */
aea4f609 3639#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3640#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3641#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3642#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3643#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3644#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3645#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 3646#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3647#define DEBUG_B_FLAG 0x02000000 /*33554432*/
56967202 3648#define DEBUG_MASK 0x03FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3649
3650#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3651#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3652 that something was done? */
aea4f609 3653
bd16a5f0
IZ		 3654# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3655# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3656# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3657# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3658# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3659# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3660# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3661# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3662# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3663# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3664# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3665# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3666# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3667# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3668# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3669# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
56967202 3670# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
bd16a5f0
IZ		 3671# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3672# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3673# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3674# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3675# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3676# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3677# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3678# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3679# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3680# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3681# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3682# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3683
3967c732 3684#ifdef DEBUGGING
aea4f609 3685
bd16a5f0
IZ		 3686# define DEBUG_p_TEST DEBUG_p_TEST_
3687# define DEBUG_s_TEST DEBUG_s_TEST_
3688# define DEBUG_l_TEST DEBUG_l_TEST_
3689# define DEBUG_t_TEST DEBUG_t_TEST_
3690# define DEBUG_o_TEST DEBUG_o_TEST_
3691# define DEBUG_c_TEST DEBUG_c_TEST_
3692# define DEBUG_P_TEST DEBUG_P_TEST_
3693# define DEBUG_m_TEST DEBUG_m_TEST_
3694# define DEBUG_f_TEST DEBUG_f_TEST_
3695# define DEBUG_r_TEST DEBUG_r_TEST_
3696# define DEBUG_x_TEST DEBUG_x_TEST_
3697# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3698# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3699# define DEBUG_H_TEST DEBUG_H_TEST_
3700# define DEBUG_X_TEST DEBUG_X_TEST_
3701# define DEBUG_D_TEST DEBUG_D_TEST_
56967202 3702# define DEBUG_S_TEST DEBUG_S_TEST_
bd16a5f0
IZ		 3703# define DEBUG_T_TEST DEBUG_T_TEST_
3704# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3705# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3706# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3707# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3708# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3709# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3710# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3711# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC		 3712# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3713# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3714# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3715
488b0c7a
JH		 3716# define PERL_DEB(a) a
3717# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3718# define DEBUG_p(a) if (DEBUG_p_TEST) a
3719# define DEBUG_s(a) if (DEBUG_s_TEST) a
3720# define DEBUG_l(a) if (DEBUG_l_TEST) a
3721# define DEBUG_t(a) if (DEBUG_t_TEST) a
3722# define DEBUG_o(a) if (DEBUG_o_TEST) a
3723# define DEBUG_c(a) if (DEBUG_c_TEST) a
3724# define DEBUG_P(a) if (DEBUG_P_TEST) a
3725
969058bb
VK		 3726 /* Temporarily turn off memory debugging in case the a
3727 * does memory allocation, either directly or indirectly. */
acfe0abc 3728# define DEBUG_m(a) \
0b250b9e 3729 STMT_START { \
aea4f609 3730 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3731 } STMT_END
aea4f609 3732
5f80b19c
AMS		 3733# define DEBUG__(t, a) \
3734 STMT_START { \
3735 if (t) STMT_START {a;} STMT_END; \
3736 } STMT_END
3737
3738# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3739#ifndef PERL_EXT_RE_BUILD
5f80b19c 3740# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3741#else
3742# define DEBUG_r(a) STMT_START {a;} STMT_END
3743#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3744# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3745# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3746# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3747# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3748# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3749# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3750# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3751# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3752# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3753
56967202 3754# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
5f80b19c
AMS		 3755# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3756# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3757# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3758# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3759# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3760# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3761# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3762# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM		 3763
3764#else /* DEBUGGING */
3765
3766# define DEBUG_p_TEST (0)
3767# define DEBUG_s_TEST (0)
3768# define DEBUG_l_TEST (0)
3769# define DEBUG_t_TEST (0)
3770# define DEBUG_o_TEST (0)
3771# define DEBUG_c_TEST (0)
3772# define DEBUG_P_TEST (0)
3773# define DEBUG_m_TEST (0)
3774# define DEBUG_f_TEST (0)
3775# define DEBUG_r_TEST (0)
3776# define DEBUG_x_TEST (0)
3777# define DEBUG_u_TEST (0)
88d2d28a 3778# define DEBUG_U_TEST (0)
aea4f609
DM		 3779# define DEBUG_H_TEST (0)
3780# define DEBUG_X_TEST (0)
3781# define DEBUG_D_TEST (0)
56967202 3782# define DEBUG_S_TEST (0)
aea4f609 3783# define DEBUG_T_TEST (0)
04932ac8 3784# define DEBUG_R_TEST (0)
1045810a 3785# define DEBUG_J_TEST (0)
d6721266 3786# define DEBUG_v_TEST (0)
46187eeb 3787# define DEBUG_C_TEST (0)
ecae49c0
NC		 3788# define DEBUG_A_TEST (0)
3789# define DEBUG_q_TEST (0)
d7c0d282 3790# define DEBUG_M_TEST (0)
cc8773c0 3791# define DEBUG_B_TEST (0)
7949c6f5
JC		 3792# define DEBUG_Xv_TEST (0)
3793# define DEBUG_Uv_TEST (0)
ad9e76a8 3794# define DEBUG_Pv_TEST (0)
aea4f609 3795
488b0c7a
JH		 3796# define PERL_DEB(a)
3797# define PERL_DEBUG(a)
aea4f609
DM		 3798# define DEBUG_p(a)
3799# define DEBUG_s(a)
3800# define DEBUG_l(a)
3801# define DEBUG_t(a)
3802# define DEBUG_o(a)
3803# define DEBUG_c(a)
3804# define DEBUG_P(a)
3805# define DEBUG_m(a)
3806# define DEBUG_f(a)
3807# define DEBUG_r(a)
3808# define DEBUG_x(a)
3809# define DEBUG_u(a)
88d2d28a 3810# define DEBUG_U(a)
aea4f609
DM		 3811# define DEBUG_H(a)
3812# define DEBUG_X(a)
3813# define DEBUG_D(a)
56967202 3814# define DEBUG_S(a)
aea4f609 3815# define DEBUG_T(a)
04932ac8 3816# define DEBUG_R(a)
d6721266 3817# define DEBUG_v(a)
46187eeb 3818# define DEBUG_C(a)
ecae49c0
NC		 3819# define DEBUG_A(a)
3820# define DEBUG_q(a)
d7c0d282 3821# define DEBUG_M(a)
cc8773c0 3822# define DEBUG_B(a)
7949c6f5
JC		 3823# define DEBUG_Xv(a)
3824# define DEBUG_Uv(a)
ad9e76a8 3825# define DEBUG_Pv(a)
aea4f609
DM		 3826#endif /* DEBUGGING */
3827
3828
b4ab917c 3829#define DEBUG_SCOPE(where) \
d9f81b50 3830 DEBUG_l( \
1c98cc53
DM		 3831 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
3832 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
d9f81b50 3833 __FILE__, __LINE__));
b4ab917c 3834
de84dc04
NC		 3835#if defined(DEBUGGING) && defined(I_ASSERT)
3836# include <assert.h>
3837#endif
3838
3839/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3840 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3841
de84dc04 3842#define Perl_assert(what) PERL_DEB( \
2b057284 3843 ((what) ? ((void) 0) : \
67eb4d30 3844 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3845 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3846 (void) 0)))
de84dc04
NC		 3847
3848#ifndef assert
3849# define assert(what) Perl_assert(what)
a446a88f 3850#endif
c7724415
FC		 3851#ifdef DEBUGGING
3852# define assert_(what) assert(what),
3853#else
3854# define assert_(what)
3855#endif
8d063cd8 3856
450a55e4 3857struct ufuncs {
24f81a43
DM		 3858 I32 (*uf_val)(pTHX_ IV, SV*);
3859 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3860 IV uf_index;
450a55e4
LW		 3861};
3862
14befaf4 3863/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3864 * XS code wanting to be backward compatible can do something
3865 * like the following:
c745e42c 3866
24f81a43 3867#ifndef PERL_MG_UFUNC
24f81a43
DM		 3868#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3869#endif
3870
3871static PERL_MG_UFUNC(foo_get, index, val)
3872{
3873 sv_setsv(val, ...);
3874 return TRUE;
3875}
3876
3877-- Doug MacEachern
3878
3879*/
3880
fc9c74e6 3881#ifndef PERL_MG_UFUNC
24f81a43 3882#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3883#endif
24f81a43 3884
fe14fcc3 3885/* Fix these up for __STDC__ */
68dc0745 3886#ifndef DONT_DECLARE_STD
20ce7b12 3887char *mktemp (char*);
37bd1396 3888#ifndef atof
20ce7b12 3889double atof (const char*);
a0d0e21e 3890#endif
37bd1396 3891#endif
79072805 3892
352d5a3a 3893#ifndef STANDARD_C
fe14fcc3 3894/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3895Time_t time();
8d063cd8 3896struct tm *gmtime(), *localtime();
043fec90 3897#if defined(OEMVS)
9d116dd7
JH		 3898char *(strchr)(), *(strrchr)();
3899char *(strcpy)(), *(strcat)();
3900#else
93a17b20 3901char *strchr(), *strrchr();
378cc40b 3902char *strcpy(), *strcat();
9d116dd7 3903#endif
352d5a3a 3904#endif /* ! STANDARD_C */
8d063cd8 3905
79072805
LW		 3906
3907#ifdef I_MATH
3908# include <math.h>
3909#else
32f822de 3910START_EXTERN_C
20ce7b12
GS		 3911 double exp (double);
3912 double log (double);
3913 double log10 (double);
3914 double sqrt (double);
3915 double frexp (double,int*);
3916 double ldexp (double,int);
3917 double modf (double,double*);
3918 double sin (double);
3919 double cos (double);
3920 double atan2 (double,double);
3921 double pow (double,double);
32f822de 3922END_EXTERN_C
79072805
LW		 3923#endif
3924
aa8b85de
JH		 3925#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3926# define NV_INF LDBL_INFINITY
3927#endif
3928#if !defined(NV_INF) && defined(DBL_INFINITY)
3929# define NV_INF (NV)DBL_INFINITY
3930#endif
3931#if !defined(NV_INF) && defined(INFINITY)
3932# define NV_INF (NV)INFINITY
3933#endif
3934#if !defined(NV_INF) && defined(INF)
3935# define NV_INF (NV)INF
3936#endif
3937#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3938# define NV_INF (NV)HUGE_VALL
3939#endif
3940#if !defined(NV_INF) && defined(HUGE_VAL)
3941# define NV_INF (NV)HUGE_VAL
3942#endif
3943
3944#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3945# if !defined(NV_NAN) && defined(LDBL_NAN)
3946# define NV_NAN LDBL_NAN
3947# endif
3948# if !defined(NV_NAN) && defined(LDBL_QNAN)
3949# define NV_NAN LDBL_QNAN
3950# endif
3951# if !defined(NV_NAN) && defined(LDBL_SNAN)
3952# define NV_NAN LDBL_SNAN
3953# endif
3954#endif
3955#if !defined(NV_NAN) && defined(DBL_NAN)
3956# define NV_NAN (NV)DBL_NAN
3957#endif
3958#if !defined(NV_NAN) && defined(DBL_QNAN)
3959# define NV_NAN (NV)DBL_QNAN
3960#endif
3961#if !defined(NV_NAN) && defined(DBL_SNAN)
3962# define NV_NAN (NV)DBL_SNAN
3963#endif
3964#if !defined(NV_NAN) && defined(QNAN)
3965# define NV_NAN (NV)QNAN
3966#endif
3967#if !defined(NV_NAN) && defined(SNAN)
3968# define NV_NAN (NV)SNAN
3969#endif
3970#if !defined(NV_NAN) && defined(NAN)
3971# define NV_NAN (NV)NAN
3972#endif
3973
a0d0e21e 3974#ifndef __cplusplus
8f1f23e8 3975# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3976char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3977# else
fd8cd3a3 3978# if !defined(WIN32) && !defined(VMS)
10bc17b6 3979#ifndef crypt
20ce7b12 3980char *crypt (const char*, const char*);
10bc17b6 3981#endif
5014db98 3982# endif /* !WIN32 */
8f1f23e8 3983# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3984# ifndef DONT_DECLARE_STD
3985# ifndef getenv
20ce7b12 3986char *getenv (const char*);
26618a56 3987# endif /* !getenv */
28ca6303 3988# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3989# ifdef _FILE_OFFSET_BITS
28ca6303 3990# if _FILE_OFFSET_BITS == 64
20ce7b12 3991Off_t lseek (int,Off_t,int);
0fc67700
JH		 3992# endif
3993# endif
bf0c440f 3994# endif
26618a56 3995# endif /* !DONT_DECLARE_STD */
e37d7e38
SH		 3996# ifndef WIN32
3997# ifndef getlogin
20ce7b12 3998char *getlogin (void);
e37d7e38
SH		 3999# endif
4000# endif /* !WIN32 */
26618a56 4001#endif /* !__cplusplus */
79072805 4002
7a7fd8e0
JM		 4003/* Fixme on VMS. This needs to be a run-time, not build time options */
4004/* Also rename() is affected by this */
16d20bd9 4005#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 4006#define UNLINK unlnk
083639a9 4007I32 unlnk (pTHX_ const char*);
8d063cd8 4008#else
80252599 4009#define UNLINK PerlLIO_unlink
8d063cd8 4010#endif
a687059c 4011
fa0a29af
JH		 4012/* some versions of glibc are missing the setresuid() proto */
4013#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 4014int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4015#endif
fa0a29af
JH		 4016/* some versions of glibc are missing the setresgid() proto */
4017#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 4018int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4019#endif
4020
fe14fcc3 4021#ifndef HAS_SETREUID
85e6fe83
LW		 4022# ifdef HAS_SETRESUID
4023# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4024# define HAS_SETREUID
4025# endif
a687059c 4026#endif
fe14fcc3 4027#ifndef HAS_SETREGID
85e6fe83
LW		 4028# ifdef HAS_SETRESGID
4029# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4030# define HAS_SETREGID
4031# endif
a687059c 4032#endif
ee0007ab 4033
d543acb6 4034/* Sighandler_t defined in iperlsys.h */
ff68c719 4035
4036#ifdef HAS_SIGACTION
4037typedef struct sigaction Sigsave_t;
4038#else
4039typedef Sighandler_t Sigsave_t;
4040#endif
4041
ee0007ab
LW		 4042#define SCAN_DEF 0
4043#define SCAN_TR 1
4044#define SCAN_REPL 2
79072805
LW		 4045
4046#ifdef DEBUGGING
4633a7c4 4047# ifndef register
a0d0e21e
LW		 4048# define register
4049# endif
cea2e8a9 4050# define RUNOPS_DEFAULT Perl_runops_debug
79072805 4051#else
cea2e8a9 4052# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 4053#endif
4054
6cb8cb21 4055#ifdef USE_PERLIO
0934c9d9 4056EXTERN_C void PerlIO_teardown(void);
2f44961c 4057# ifdef USE_ITHREADS
6cb8cb21
RGS		 4058# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4059# define PERLIO_TERM \
4060 STMT_START { \
d0820ef1 4061 PerlIO_teardown(); \
6cb8cb21
RGS		 4062 MUTEX_DESTROY(&PL_perlio_mutex);\
4063 } STMT_END
4064# else
4065# define PERLIO_INIT
d0820ef1 4066# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 4067# endif
6b29934b
NC		 4068#else
4069# define PERLIO_INIT
4070# define PERLIO_TERM
6cb8cb21
RGS		 4071#endif
4072
18f739ee 4073#ifdef MYMALLOC
772fe5b3 4074# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 4075# define MALLOC_INIT \
4076 STMT_START { \
4077 PL_malloc_mutex = NULL; \
4078 MUTEX_INIT(&PL_malloc_mutex); \
4079 } STMT_END
4080# define MALLOC_TERM \
4081 STMT_START { \
4082 perl_mutex tmp = PL_malloc_mutex; \
4083 PL_malloc_mutex = NULL; \
4084 MUTEX_DESTROY(&tmp); \
4085 } STMT_END
4086# else
4087# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4088# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4089# endif
18f739ee
IZ		 4090#else
4091# define MALLOC_INIT
4092# define MALLOC_TERM
4093#endif
4094
cd1541b2 4095#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 4096
4097struct perl_memory_debug_header;
cd1541b2
NC		 4098struct perl_memory_debug_header {
4099 tTHX interpreter;
4100# ifdef PERL_POISON
4101 MEM_SIZE size;
cd1541b2 4102# endif
7cb608b5
NC		 4103 struct perl_memory_debug_header *prev;
4104 struct perl_memory_debug_header *next;
cd1541b2
NC		 4105};
4106
4107# define sTHX (sizeof(struct perl_memory_debug_header) + \
4108 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4109 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4110
d8fca402
NC		 4111#else
4112# define sTHX 0
cd1541b2
NC		 4113#endif
4114
7cb608b5
NC		 4115#ifdef PERL_TRACK_MEMPOOL
4116# define INIT_TRACK_MEMPOOL(header, interp) \
4117 STMT_START { \
4118 (header).interpreter = (interp); \
4119 (header).prev = (header).next = &(header); \
4120 } STMT_END
4121# else
4122# define INIT_TRACK_MEMPOOL(header, interp)
4123#endif
4124
1cd66f7c
DD		 4125#ifdef I_MALLOCMALLOC
4126/* Needed for malloc_size(), malloc_good_size() on some systems */
4127# include <malloc/malloc.h>
4128#endif
4129
ca7c1a29
NC		 4130#ifdef MYMALLOC
4131# define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
cfe52898 4132#else
e82be400
NC		 4133# ifdef HAS_MALLOC_SIZE
4134# ifdef PERL_TRACK_MEMPOOL
cfe52898
RGS		 4135# define Perl_safesysmalloc_size(where) \
4136 (malloc_size(((char *)(where)) - sTHX) - sTHX)
e82be400
NC		 4137# else
4138# define Perl_safesysmalloc_size(where) malloc_size(where)
4139# endif
4140# endif
4141# ifdef HAS_MALLOC_GOOD_SIZE
4142# ifdef PERL_TRACK_MEMPOOL
d8fca402
NC		 4143# define Perl_malloc_good_size(how_much) \
4144 (malloc_good_size((how_much) + sTHX) - sTHX)
e82be400
NC		 4145# else
4146# define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4147# endif
4148# else
d8fca402
NC		 4149/* Having this as the identity operation makes some code simpler. */
4150# define Perl_malloc_good_size(how_much) (how_much)
e82be400 4151# endif
ca7c1a29 4152#endif
b6d9d515 4153
16c91539
BM		 4154typedef int (*runops_proc_t)(pTHX);
4155typedef void (*share_proc_t) (pTHX_ SV *sv);
4156typedef int (*thrhook_proc_t) (pTHX);
4157typedef OP* (*PPADDR_t[]) (pTHX);
4158typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4159typedef void (*despatch_signals_proc_t) (pTHX);
22c35a8c 4160
8f1f23e8
W		 4161/* NeXT has problems with crt0.o globals */
4162#if defined(__DYNAMIC__) && \
6239f2da 4163 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 4164# if defined(NeXT) || defined(__NeXT)
4165# include <mach-o/dyld.h>
4166# define environ (*environ_pointer)
0c30d9ec 4167EXT char *** environ_pointer;
8f1f23e8 4168# else
6239f2da 4169# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 4170# include <crt_externs.h> /* for the env array */
4171# define environ (*_NSGetEnviron())
4172# endif
0c30d9ec 4173# endif
8f1f23e8
W		 4174#else
4175 /* VMS and some other platforms don't use the environ array */
13b6e58c 4176# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 4177# if !defined(DONT_DECLARE_STD) || \
4178 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
4179 defined(__sgi) || \
d460ef45 4180 defined(__DGUX)
8f1f23e8 4181extern char ** environ; /* environment variables supplied via exec */
a6c40364 4182# endif
8f1f23e8
W		 4183# endif
4184#endif
79072805 4185
457c5385
NC		 4186#define PERL_PATCHLEVEL_H_IMPLICIT
4187#include "patchlevel.h"
4188#undef PERL_PATCHLEVEL_H_IMPLICIT
4189
4190#define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4191 STRINGIFY(PERL_VERSION) "." \
4192 STRINGIFY(PERL_SUBVERSION)
4193
4194#define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4195 STRINGIFY(PERL_API_VERSION) "." \
4196 STRINGIFY(PERL_API_SUBVERSION)
4197
73c4f7a1
GS		 4198START_EXTERN_C
4199
79072805 4200/* handy constants */
22c35a8c 4201EXTCONST char PL_warn_uninit[]
29489e7c 4202 INIT("Use of uninitialized value%s%s%s");
fef7e7a0
BF		 4203EXTCONST char PL_warn_uninit_sv[]
4204 INIT("Use of uninitialized value%"SVf"%s%s");
22c35a8c 4205EXTCONST char PL_warn_nosemi[]
463ee0b2 4206 INIT("Semicolon seems to be missing");
22c35a8c 4207EXTCONST char PL_warn_reserved[]
463ee0b2 4208 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4209EXTCONST char PL_warn_nl[]
93a17b20 4210 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4211EXTCONST char PL_no_wrongref[]
a0d0e21e 4212 INIT("Can't use %s ref as %s ref");
def89bff
NC		 4213/* The core no longer needs these here. If you require the string constant,
4214 please inline a copy into your own code. */
973a7615
NC		 4215EXTCONST char PL_no_symref[] __attribute__deprecated__
4216 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
def89bff
NC		 4217EXTCONST char PL_no_symref_sv[] __attribute__deprecated__
4218 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 4219EXTCONST char PL_no_usym[]
8990e307 4220 INIT("Can't use an undefined value as %s reference");
22c35a8c 4221EXTCONST char PL_no_aelem[]
93a17b20 4222 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4223EXTCONST char PL_no_helem_sv[]
d04ff51e 4224 INIT("Modification of non-creatable hash value attempted, subscript \"%"SVf"\"");
22c35a8c 4225EXTCONST char PL_no_modify[]
93a17b20 4226 INIT("Modification of a read-only value attempted");
22c35a8c 4227EXTCONST char PL_no_mem[]
93a17b20 4228 INIT("Out of memory!\n");
22c35a8c 4229EXTCONST char PL_no_security[]
463ee0b2 4230 INIT("Insecure dependency in %s%s");
22c35a8c 4231EXTCONST char PL_no_sock_func[]
93a17b20 4232 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4233EXTCONST char PL_no_dir_func[]
93a17b20 4234 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4235EXTCONST char PL_no_func[]
93a17b20 4236 INIT("The %s function is unimplemented");
22c35a8c 4237EXTCONST char PL_no_myglob[]
952306ac 4238 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 4239EXTCONST char PL_no_localize_ref[]
4240 INIT("Can't localize through a reference");
27d5b266
JH		 4241EXTCONST char PL_memory_wrap[]
4242 INIT("panic: memory wrap");
93a17b20 4243
58f645e2
NC		 4244EXTCONST char PL_Yes[]
4245 INIT("1");
4246EXTCONST char PL_No[]
4247 INIT("");
4248EXTCONST char PL_hexdigit[]
4249 INIT("0123456789abcdef0123456789ABCDEF");
4250
0447859b
NC		 4251/* This is constant on most architectures, a global on OS/2 */
4252#ifndef OS2
4253EXTCONST char PL_sh_path[]
4254 INIT(SH_PATH); /* full path of shell */
4255#endif
4256
618b9757
NC		 4257#ifdef CSH
4258EXTCONST char PL_cshname[]
4259 INIT(CSH);
4260# define PL_cshlen (sizeof(CSH "") - 1)
4261#endif
4262
457c5385
NC		 4263/* These are baked at compile time into any shared perl library.
4264 In future releases this will allow us in main() to sanity test the
4265 library we're linking against. */
4266
4267EXTCONST U8 PL_revision
4268 INIT(PERL_REVISION);
4269EXTCONST U8 PL_version
4270 INIT(PERL_VERSION);
4271EXTCONST U8 PL_subversion
4272 INIT(PERL_SUBVERSION);
4273
7575fa06 4274EXTCONST char PL_uuemap[65]
80252599
GS		 4275 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4276
79072805 4277#ifdef DOINIT
9444d213 4278EXTCONST char PL_uudmap[256] =
dde5ec2c
NC		 4279# ifdef PERL_MICRO
4280# include "uuudmap.h"
4281# else
4282# include "uudmap.h"
4283# endif
9444d213 4284;
efa50c51 4285EXTCONST char PL_bitcount[256] =
dde5ec2c
NC		 4286# ifdef PERL_MICRO
4287# include "ubitcount.h"
4288#else
4289# include "bitcount.h"
4290# endif
efa50c51 4291;
27da23d5
JH		 4292EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4293EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4294#else
9444d213 4295EXTCONST char PL_uudmap[256];
efa50c51 4296EXTCONST char PL_bitcount[256];
27da23d5
JH		 4297EXTCONST char* const PL_sig_name[];
4298EXTCONST int PL_sig_num[];
79072805
LW		 4299#endif
4300
6d8e7a01
KW		 4301/* fast conversion and case folding tables. The folding tables complement the
4302 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4303 * folds such as outside the range or to multiple characters. */
bbce6d69 4304
79072805 4305#ifdef DOINIT
d02f4dad
KW		 4306#ifndef EBCDIC
4307
4308/* The EBCDIC fold table depends on the code page, and hence is found in
4309 * utfebcdic.h */
4310
22c35a8c 4311EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4312 0, 1, 2, 3, 4, 5, 6, 7,
4313 8, 9, 10, 11, 12, 13, 14, 15,
4314 16, 17, 18, 19, 20, 21, 22, 23,
4315 24, 25, 26, 27, 28, 29, 30, 31,
4316 32, 33, 34, 35, 36, 37, 38, 39,
4317 40, 41, 42, 43, 44, 45, 46, 47,
4318 48, 49, 50, 51, 52, 53, 54, 55,
4319 56, 57, 58, 59, 60, 61, 62, 63,
4320 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4321 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4322 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4323 'x', 'y', 'z', 91, 92, 93, 94, 95,
4324 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4325 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4326 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4327 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4328 128, 129, 130, 131, 132, 133, 134, 135,
4329 136, 137, 138, 139, 140, 141, 142, 143,
4330 144, 145, 146, 147, 148, 149, 150, 151,
4331 152, 153, 154, 155, 156, 157, 158, 159,
4332 160, 161, 162, 163, 164, 165, 166, 167,
4333 168, 169, 170, 171, 172, 173, 174, 175,
4334 176, 177, 178, 179, 180, 181, 182, 183,
4335 184, 185, 186, 187, 188, 189, 190, 191,
4336 192, 193, 194, 195, 196, 197, 198, 199,
4337 200, 201, 202, 203, 204, 205, 206, 207,
4338 208, 209, 210, 211, 212, 213, 214, 215,
4339 216, 217, 218, 219, 220, 221, 222, 223,
4340 224, 225, 226, 227, 228, 229, 230, 231,
4341 232, 233, 234, 235, 236, 237, 238, 239,
4342 240, 241, 242, 243, 244, 245, 246, 247,
4343 248, 249, 250, 251, 252, 253, 254, 255
4344};
3871f40b
KW		 4345EXTCONST unsigned char PL_fold_latin1[] = {
4346 /* Full latin1 complement folding, except for three problematic code points:
4347 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4348 * fold complements outside the Latin1 range, so can't match something
4349 * that isn't in utf8.
4350 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4351 * not one, so can't be represented in this table.
4352 *
4353 * All have to be specially handled */
4354 0, 1, 2, 3, 4, 5, 6, 7,
4355 8, 9, 10, 11, 12, 13, 14, 15,
4356 16, 17, 18, 19, 20, 21, 22, 23,
4357 24, 25, 26, 27, 28, 29, 30, 31,
4358 32, 33, 34, 35, 36, 37, 38, 39,
4359 40, 41, 42, 43, 44, 45, 46, 47,
4360 48, 49, 50, 51, 52, 53, 54, 55,
4361 56, 57, 58, 59, 60, 61, 62, 63,
4362 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4363 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4364 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4365 'x', 'y', 'z', 91, 92, 93, 94, 95,
4366 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4367 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4368 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4369 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4370 128, 129, 130, 131, 132, 133, 134, 135,
4371 136, 137, 138, 139, 140, 141, 142, 143,
4372 144, 145, 146, 147, 148, 149, 150, 151,
4373 152, 153, 154, 155, 156, 157, 158, 159,
4374 160, 161, 162, 163, 164, 165, 166, 167,
4375 168, 169, 170, 171, 172, 173, 174, 175,
4376 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4377 184, 185, 186, 187, 188, 189, 190, 191,
4378 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4379 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4380 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4381 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4382 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4383 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4384 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4385 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4386 255 /* y with diaeresis */
4387};
00f254e2
KW		 4388#endif /* !EBCDIC, but still in DOINIT */
4389
4390/* If these tables are accessed through ebcdic, the access will be converted to
4391 * latin1 first */
4392EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4393 0, 1, 2, 3, 4, 5, 6, 7,
4394 8, 9, 10, 11, 12, 13, 14, 15,
4395 16, 17, 18, 19, 20, 21, 22, 23,
4396 24, 25, 26, 27, 28, 29, 30, 31,
4397 32, 33, 34, 35, 36, 37, 38, 39,
4398 40, 41, 42, 43, 44, 45, 46, 47,
4399 48, 49, 50, 51, 52, 53, 54, 55,
4400 56, 57, 58, 59, 60, 61, 62, 63,
4401 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4402 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4403 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4404 'x', 'y', 'z', 91, 92, 93, 94, 95,
4405 96, 97, 98, 99, 100, 101, 102, 103,
4406 104, 105, 106, 107, 108, 109, 110, 111,
4407 112, 113, 114, 115, 116, 117, 118, 119,
4408 120, 121, 122, 123, 124, 125, 126, 127,
4409 128, 129, 130, 131, 132, 133, 134, 135,
4410 136, 137, 138, 139, 140, 141, 142, 143,
4411 144, 145, 146, 147, 148, 149, 150, 151,
4412 152, 153, 154, 155, 156, 157, 158, 159,
4413 160, 161, 162, 163, 164, 165, 166, 167,
4414 168, 169, 170, 171, 172, 173, 174, 175,
4415 176, 177, 178, 179, 180, 181, 182, 183,
4416 184, 185, 186, 187, 188, 189, 190, 191,
4417 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4418 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4419 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4420 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4421 224, 225, 226, 227, 228, 229, 230, 231,
4422 232, 233, 234, 235, 236, 237, 238, 239,
4423 240, 241, 242, 243, 244, 245, 246, 247,
4424 248, 249, 250, 251, 252, 253, 254, 255
4425};
4426
4427/* upper and title case of latin1 characters, modified so that the three tricky
4428 * ones are mapped to 255 (which is one of the three) */
4429EXTCONST unsigned char PL_mod_latin1_uc[] = {
4430 0, 1, 2, 3, 4, 5, 6, 7,
4431 8, 9, 10, 11, 12, 13, 14, 15,
4432 16, 17, 18, 19, 20, 21, 22, 23,
4433 24, 25, 26, 27, 28, 29, 30, 31,
4434 32, 33, 34, 35, 36, 37, 38, 39,
4435 40, 41, 42, 43, 44, 45, 46, 47,
4436 48, 49, 50, 51, 52, 53, 54, 55,
4437 56, 57, 58, 59, 60, 61, 62, 63,
4438 64, 65, 66, 67, 68, 69, 70, 71,
4439 72, 73, 74, 75, 76, 77, 78, 79,
4440 80, 81, 82, 83, 84, 85, 86, 87,
4441 88, 89, 90, 91, 92, 93, 94, 95,
4442 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4443 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4444 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4445 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4446 128, 129, 130, 131, 132, 133, 134, 135,
4447 136, 137, 138, 139, 140, 141, 142, 143,
4448 144, 145, 146, 147, 148, 149, 150, 151,
4449 152, 153, 154, 155, 156, 157, 158, 159,
4450 160, 161, 162, 163, 164, 165, 166, 167,
4451 168, 169, 170, 171, 172, 173, 174, 175,
4452 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4453 184, 185, 186, 187, 188, 189, 190, 191,
4454 192, 193, 194, 195, 196, 197, 198, 199,
4455 200, 201, 202, 203, 204, 205, 206, 207,
4456 208, 209, 210, 211, 212, 213, 214, 215,
4457 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/,
4458 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4459 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4460 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4461 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4462};
4463#else /* ! DOINIT */
22c35a8c 4464EXTCONST unsigned char PL_fold[];
3871f40b 4465EXTCONST unsigned char PL_fold_latin1[];
00f254e2
KW		 4466EXTCONST unsigned char PL_mod_latin1_uc[];
4467EXTCONST unsigned char PL_latin1_lc[];
79072805
LW		 4468#endif
4469
27da23d5 4470#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4471#ifdef DOINIT
27da23d5 4472EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4473 0, 1, 2, 3, 4, 5, 6, 7,
4474 8, 9, 10, 11, 12, 13, 14, 15,
4475 16, 17, 18, 19, 20, 21, 22, 23,
4476 24, 25, 26, 27, 28, 29, 30, 31,
4477 32, 33, 34, 35, 36, 37, 38, 39,
4478 40, 41, 42, 43, 44, 45, 46, 47,
4479 48, 49, 50, 51, 52, 53, 54, 55,
4480 56, 57, 58, 59, 60, 61, 62, 63,
4481 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4482 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4483 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4484 'x', 'y', 'z', 91, 92, 93, 94, 95,
4485 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4486 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4487 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4488 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4489 128, 129, 130, 131, 132, 133, 134, 135,
4490 136, 137, 138, 139, 140, 141, 142, 143,
4491 144, 145, 146, 147, 148, 149, 150, 151,
4492 152, 153, 154, 155, 156, 157, 158, 159,
4493 160, 161, 162, 163, 164, 165, 166, 167,
4494 168, 169, 170, 171, 172, 173, 174, 175,
4495 176, 177, 178, 179, 180, 181, 182, 183,
4496 184, 185, 186, 187, 188, 189, 190, 191,
4497 192, 193, 194, 195, 196, 197, 198, 199,
4498 200, 201, 202, 203, 204, 205, 206, 207,
4499 208, 209, 210, 211, 212, 213, 214, 215,
4500 216, 217, 218, 219, 220, 221, 222, 223,
4501 224, 225, 226, 227, 228, 229, 230, 231,
4502 232, 233, 234, 235, 236, 237, 238, 239,
4503 240, 241, 242, 243, 244, 245, 246, 247,
4504 248, 249, 250, 251, 252, 253, 254, 255
4505};
4506#else
27da23d5 4507EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4508#endif
27da23d5 4509#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4510
4511#ifdef DOINIT
9d116dd7 4512#ifdef EBCDIC
27da23d5 4513EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4514 1, 2, 84, 151, 154, 155, 156, 157,
4515 165, 246, 250, 3, 158, 7, 18, 29,
4516 40, 51, 62, 73, 85, 96, 107, 118,
4517 129, 140, 147, 148, 149, 150, 152, 153,
4518 255, 6, 8, 9, 10, 11, 12, 13,
4519 14, 15, 24, 25, 26, 27, 28, 226,
4520 29, 30, 31, 32, 33, 43, 44, 45,
4521 46, 47, 48, 49, 50, 76, 77, 78,
4522 79, 80, 81, 82, 83, 84, 85, 86,
4523 87, 94, 95, 234, 181, 233, 187, 190,
4524 180, 96, 97, 98, 99, 100, 101, 102,
4525 104, 112, 182, 174, 236, 232, 229, 103,
4526 228, 226, 114, 115, 116, 117, 118, 119,
4527 120, 121, 122, 235, 176, 230, 194, 162,
4528 130, 131, 132, 133, 134, 135, 136, 137,
4529 138, 139, 201, 205, 163, 217, 220, 224,
4530 5, 248, 227, 244, 242, 255, 241, 231,
4531 240, 253, 16, 197, 19, 20, 21, 187,
4532 23, 169, 210, 245, 237, 249, 247, 239,
4533 168, 252, 34, 196, 36, 37, 38, 39,
4534 41, 42, 251, 254, 238, 223, 221, 213,
4535 225, 177, 52, 53, 54, 55, 56, 57,
4536 58, 59, 60, 61, 63, 64, 65, 66,
4537 67, 68, 69, 70, 71, 72, 74, 75,
4538 205, 208, 186, 202, 200, 218, 198, 179,
4539 178, 214, 88, 89, 90, 91, 92, 93,
4540 217, 166, 170, 207, 199, 209, 206, 204,
4541 160, 212, 105, 106, 108, 109, 110, 111,
4542 203, 113, 216, 215, 192, 175, 193, 243,
4543 172, 161, 123, 124, 125, 126, 127, 128,
4544 222, 219, 211, 195, 188, 193, 185, 184,
4545 191, 183, 141, 142, 143, 144, 145, 146
4546};
4547#else /* ascii rather than ebcdic */
22c35a8c 4548EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4549 1, 2, 84, 151, 154, 155, 156, 157,
4550 165, 246, 250, 3, 158, 7, 18, 29,
4551 40, 51, 62, 73, 85, 96, 107, 118,
4552 129, 140, 147, 148, 149, 150, 152, 153,
4553 255, 182, 224, 205, 174, 176, 180, 217,
4554 233, 232, 236, 187, 235, 228, 234, 226,
4555 222, 219, 211, 195, 188, 193, 185, 184,
4556 191, 183, 201, 229, 181, 220, 194, 162,
4557 163, 208, 186, 202, 200, 218, 198, 179,
4558 178, 214, 166, 170, 207, 199, 209, 206,
4559 204, 160, 212, 216, 215, 192, 175, 173,
4560 243, 172, 161, 190, 203, 189, 164, 230,
4561 167, 248, 227, 244, 242, 255, 241, 231,
4562 240, 253, 169, 210, 245, 237, 249, 247,
4563 239, 168, 252, 251, 254, 238, 223, 221,
4564 213, 225, 177, 197, 171, 196, 159, 4,
4565 5, 6, 8, 9, 10, 11, 12, 13,
4566 14, 15, 16, 17, 19, 20, 21, 22,
4567 23, 24, 25, 26, 27, 28, 30, 31,
4568 32, 33, 34, 35, 36, 37, 38, 39,
4569 41, 42, 43, 44, 45, 46, 47, 48,
4570 49, 50, 52, 53, 54, 55, 56, 57,
4571 58, 59, 60, 61, 63, 64, 65, 66,
4572 67, 68, 69, 70, 71, 72, 74, 75,
4573 76, 77, 78, 79, 80, 81, 82, 83,
4574 86, 87, 88, 89, 90, 91, 92, 93,
4575 94, 95, 97, 98, 99, 100, 101, 102,
4576 103, 104, 105, 106, 108, 109, 110, 111,
4577 112, 113, 114, 115, 116, 117, 119, 120,
4578 121, 122, 123, 124, 125, 126, 127, 128,
4579 130, 131, 132, 133, 134, 135, 136, 137,
4580 138, 139, 141, 142, 143, 144, 145, 146
4581};
9d116dd7 4582#endif
79072805 4583#else
22c35a8c 4584EXTCONST unsigned char PL_freq[];
79072805
LW		 4585#endif
4586
b0812ba3
DM		 4587/* Although only used for debugging, these constants must be available in
4588 * non-debugging builds too, since they're used in ext/re/re_exec.c,
4589 * which has DEBUGGING enabled always */
8990e307 4590#ifdef DOINIT
27da23d5 4591EXTCONST char* const PL_block_type[] = {
8990e307 4592 "NULL",
d01136d6 4593 "WHEN",
8990e307 4594 "BLOCK",
0d863452 4595 "GIVEN",
d01136d6
BS		 4596 "LOOP_FOR",
4597 "LOOP_PLAIN",
4598 "LOOP_LAZYSV",
4599 "LOOP_LAZYIV",
76753e7f
NC		 4600 "SUB",
4601 "FORMAT",
4602 "EVAL",
4603 "SUBST"
8990e307
LW		 4604};
4605#else
22c35a8c 4606EXTCONST char* PL_block_type[];
8990e307 4607#endif
8990e307 4608
b75885fd
NC		 4609/* These are all the compile time options that affect binary compatibility.
4610 Other compile time options that are binary compatible are in perl.c
4611 Both are combined for the output of perl -V
4612 However, this string will be embedded in any shared perl library, which will
4613 allow us add a comparison check in perlmain.c in the near future. */
4614#ifdef DOINIT
4615EXTCONST char PL_bincompat_options[] =
4616# ifdef DEBUG_LEAKING_SCALARS
4617 " DEBUG_LEAKING_SCALARS"
4618# endif
4619# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4620 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4621# endif
4622# ifdef FAKE_THREADS
4623 " FAKE_THREADS"
4624# endif
eba804b9
NC		 4625# ifdef FCRYPT
4626 " FCRYPT"
4627# endif
4628# ifdef HAS_TIMES
4629 " HAS_TIMES"
4630# endif
4631# ifdef HAVE_INTERP_INTERN
426f6eb2 4632 " HAVE_INTERP_INTERN"
eba804b9 4633# endif
b75885fd
NC		 4634# ifdef MULTIPLICITY
4635 " MULTIPLICITY"
4636# endif
4637# ifdef MYMALLOC
4638 " MYMALLOC"
4639# endif
eba804b9
NC		 4640# ifdef PERLIO_LAYERS
4641 " PERLIO_LAYERS"
4642# endif
b75885fd
NC		 4643# ifdef PERL_DEBUG_READONLY_OPS
4644 " PERL_DEBUG_READONLY_OPS"
4645# endif
4646# ifdef PERL_GLOBAL_STRUCT
4647 " PERL_GLOBAL_STRUCT"
4648# endif
4649# ifdef PERL_IMPLICIT_CONTEXT
4650 " PERL_IMPLICIT_CONTEXT"
4651# endif
4652# ifdef PERL_IMPLICIT_SYS
4653 " PERL_IMPLICIT_SYS"
4654# endif
4655# ifdef PERL_MAD
4656 " PERL_MAD"
4657# endif
eba804b9
NC		 4658# ifdef PERL_MICRO
4659 " PERL_MICRO"
4660# endif
b75885fd
NC		 4661# ifdef PERL_NEED_APPCTX
4662 " PERL_NEED_APPCTX"
4663# endif
4664# ifdef PERL_NEED_TIMESBASE
4665 " PERL_NEED_TIMESBASE"
4666# endif
4667# ifdef PERL_OLD_COPY_ON_WRITE
4668 " PERL_OLD_COPY_ON_WRITE"
4669# endif
4670# ifdef PERL_POISON
4671 " PERL_POISON"
4672# endif
4673# ifdef PERL_TRACK_MEMPOOL
4674 " PERL_TRACK_MEMPOOL"
4675# endif
4676# ifdef PERL_USES_PL_PIDSTATUS
4677 " PERL_USES_PL_PIDSTATUS"
4678# endif
b75885fd
NC		 4679# ifdef USE_64_BIT_ALL
4680 " USE_64_BIT_ALL"
4681# endif
4682# ifdef USE_64_BIT_INT
4683 " USE_64_BIT_INT"
4684# endif
c7b392fa
NC		 4685# ifdef USE_IEEE
4686 " USE_IEEE"
4687# endif
b75885fd
NC		 4688# ifdef USE_ITHREADS
4689 " USE_ITHREADS"
4690# endif
4691# ifdef USE_LARGE_FILES
4692 " USE_LARGE_FILES"
4693# endif
eba804b9
NC		 4694# ifdef USE_LOCALE_COLLATE
4695 " USE_LOCALE_COLLATE"
4696# endif
4697# ifdef USE_LOCALE_NUMERIC
4698 " USE_LOCALE_NUMERIC"
4699# endif
b75885fd
NC		 4700# ifdef USE_LONG_DOUBLE
4701 " USE_LONG_DOUBLE"
4702# endif
4703# ifdef USE_PERLIO
4704 " USE_PERLIO"
4705# endif
4706# ifdef USE_REENTRANT_API
4707 " USE_REENTRANT_API"
4708# endif
4709# ifdef USE_SFIO
4710 " USE_SFIO"
4711# endif
4712# ifdef USE_SOCKS
4713 " USE_SOCKS"
4714# endif
4f575702
CB		 4715# ifdef VMS_DO_SOCKETS
4716 " VMS_DO_SOCKETS"
4f575702 4717# endif
e8b231c6
CB		 4718# ifdef VMS_SHORTEN_LONG_SYMBOLS
4719 " VMS_SHORTEN_LONG_SYMBOLS"
4720# endif
ad5e438d
NC		 4721# ifdef VMS_WE_ARE_CASE_SENSITIVE
4722 " VMS_SYMBOL_CASE_AS_IS"
4723# endif
a68dd89e 4724 "";
b75885fd
NC		 4725#else
4726EXTCONST char PL_bincompat_options[];
4727#endif
4728
ca7b837b
SM		 4729#ifndef PERL_SET_PHASE
4730# define PERL_SET_PHASE(new_phase) \
cb3f8189 4731 PHASE_CHANGE_PROBE(PL_phase_names[new_phase], PL_phase_names[PL_phase]); \
ca7b837b
SM		 4732 PL_phase = new_phase;
4733#endif
4734
9ebf26ad
FR		 4735/* The interpreter phases. If these ever change, PL_phase_names right below will
4736 * need to be updated accordingly. */
4737enum perl_phase {
4738 PERL_PHASE_CONSTRUCT = 0,
4739 PERL_PHASE_START = 1,
4740 PERL_PHASE_CHECK = 2,
4741 PERL_PHASE_INIT = 3,
4742 PERL_PHASE_RUN = 4,
4743 PERL_PHASE_END = 5,
4744 PERL_PHASE_DESTRUCT = 6
4745};
4746
4747#ifdef DOINIT
4748EXTCONST char *const PL_phase_names[] = {
4749 "CONSTRUCT",
4750 "START",
4751 "CHECK",
4752 "INIT",
4753 "RUN",
4754 "END",
4755 "DESTRUCT"
4756};
4757#else
4758EXTCONST char *const PL_phase_names[];
4759#endif
4760
627364f1
FR		 4761#ifndef PERL_CORE
4762/* Do not use this macro. It only exists for extensions that rely on PL_dirty
4763 * instead of using the newer PL_phase, which provides everything PL_dirty
4764 * provided, and more. */
4765# define PL_dirty (PL_phase == PERL_PHASE_DESTRUCT)
66978156
FC		 4766
4767# define PL_amagic_generation PL_na
627364f1
FR		 4768#endif /* !PERL_CORE */
4769
73c4f7a1
GS		 4770END_EXTERN_C
4771
79072805
LW		 4772/*****************************************************************************/
4773/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4774/*****************************************************************************/
8990e307 4775/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4776
d4c3c482 4777#ifdef __Lynx__
9cffb111
OS		 4778/* LynxOS defines these in scsi.h which is included via ioctl.h */
4779#ifdef FORMAT
4780#undef FORMAT
4781#endif
4782#ifdef SPACE
4783#undef SPACE
4784#endif
d4c3c482 4785#endif
9cffb111 4786
fb73857a 4787#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4788
79072805
LW		 4789typedef enum {
4790 XOPERATOR,
4791 XTERM,
79072805 4792 XREF,
8990e307 4793 XSTATE,
a0d0e21e 4794 XBLOCK,
09bef843
SB		 4795 XATTRBLOCK,
4796 XATTRTERM,
6f33ba73
RGS		 4797 XTERMBLOCK,
4798 XTERMORDORDOR /* evil hack */
27308ded 4799 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4800} expectation;
4801
d5ec2987
NC		 4802/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4803 special and there is no need for HINT_PRIVATE_MASK for COPs
4804 However, bitops store HINT_INTEGER in their op_private. */
9cfe5470
RGS		 4805#define HINT_INTEGER 0x00000001 /* integer pragma */
4806#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4807#define HINT_LOCALE 0x00000004 /* locale pragma */
4808#define HINT_BYTES 0x00000008 /* bytes pragma */
66cbab2c 4809#define HINT_LOCALE_NOT_CHARS 0x00000010 /* locale ':not_characters' pragma */
894ea76b
FC		 4810
4811#define HINT_EXPLICIT_STRICT_REFS 0x00000020 /* strict.pm */
4812#define HINT_EXPLICIT_STRICT_SUBS 0x00000040 /* strict.pm */
4813#define HINT_EXPLICIT_STRICT_VARS 0x00000080 /* strict.pm */
85e6fe83
LW		 4814
4815#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4816#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4817#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
1863b879 4818#define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */
85e6fe83 4819
9cfe5470 4820/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4821#define HINT_NEW_INTEGER 0x00001000
4822#define HINT_NEW_FLOAT 0x00002000
4823#define HINT_NEW_BINARY 0x00004000
4824#define HINT_NEW_STRING 0x00008000
4825#define HINT_NEW_RE 0x00010000
4826#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 4827#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4828#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 4829
9cfe5470
RGS		 4830#define HINT_RE_TAINT 0x00100000 /* re pragma */
4831#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4832
9cfe5470
RGS		 4833#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4834#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4835
e46c382e
YK		 4836#define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
4837
1e215989
FC		 4838#define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */
4839
a803b9b4
FC		 4840#define HINT_FEATURE_MASK 0x1c000000 /* 3 bits for feature bundles */
4841
894ea76b
FC		 4842 /* Note: Used for NATIVE_HINTS, currently
4843 defined by vms/vmsish.h:
4844 0x40000000
4845 0x80000000
4846 */
d1718a7c 4847
0239f47c 4848/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4849#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4850#define HINT_SORT_QUICKSORT 0x00000001
4851#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4852#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4853
d3b97530
DM		 4854/* flags for PL_sawampersand */
4855
4856#define SAWAMPERSAND_LEFT 1 /* saw $` */
4857#define SAWAMPERSAND_MIDDLE 2 /* saw $& */
4858#define SAWAMPERSAND_RIGHT 4 /* saw $' */
4859
8bfdd7d9 4860/* Various states of the input record separator SV (rs) */
d4cce5f1 4861#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4862#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4863#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4864#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4865
128e8167 4866/* A struct for keeping various DEBUGGING related stuff,
ce333219 4867 * neatly packed. Currently only scratch variables for
128e8167
JH		 4868 * constructing debug output are included. Needed always,
4869 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4870struct perl_debug_pad {
4871 SV pad[3];
4872};
4873
4874#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4875#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4876 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4877 PERL_DEBUG_PAD(i))
ce333219 4878
56953603 4879/* Enable variables which are pointers to functions */
16c91539
BM		 4880typedef void (*peep_t)(pTHX_ OP* o);
4881typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm);
4882typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg,
0cb96387
GS		 4883 char* strend, char* strbeg, I32 minend,
4884 SV* screamer, void* data, U32 flags);
16c91539 4885typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv,
f722798b
IZ		 4886 char *strpos, char *strend,
4887 U32 flags,
9f61653a 4888 re_scream_pos_data *d);
16c91539
BM		 4889typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog);
4890typedef void (*regfree_t) (pTHX_ struct regexp* r);
4891typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param);
a932d541 4892typedef I32 (*re_fold_t)(const char *, char const *, I32);
56953603 4893
c76ac1ee 4894typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc 4895typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
f30de749 4896typedef void (*SVFUNC_t) (pTHX_ SV* const);
31e9e0a3 4897typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
acfe0abc
GS		 4898typedef void (*XSINIT_t) (pTHX);
4899typedef void (*ATEXIT_t) (pTHX_ void*);
4900typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4901
16c91539
BM		 4902typedef OP* (*Perl_ppaddr_t)(pTHX);
4903typedef OP* (*Perl_check_t) (pTHX_ OP*);
4904typedef void(*Perl_ophook_t)(pTHX_ OP*);
4905typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**);
1830b3d9 4906typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *);
88e1f1a2 4907
d67594ff
FC		 4908typedef void(*globhook_t)(pTHX);
4909
88e1f1a2
JV		 4910#define KEYWORD_PLUGIN_DECLINE 0
4911#define KEYWORD_PLUGIN_STMT 1
4912#define KEYWORD_PLUGIN_EXPR 2
22239a37 4913
58a50f62
GS		 4914/* Interpreter exitlist entry */
4915typedef struct exitlistentry {
acfe0abc 4916 void (*fn) (pTHX_ void*);
58a50f62
GS		 4917 void *ptr;
4918} PerlExitListEntry;
4919
aadb217d
JH		 4920/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4921/* These have to be before perlvars.h */
4922#if !defined(HAS_SIGACTION) && defined(VMS)
4923# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4924#endif
4925/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4926#if defined(KILL_BY_SIGPRC)
4927# define FAKE_DEFAULT_SIGNAL_HANDLERS
4928#endif
4929
8c1cc017
NC		 4930#if !defined(MULTIPLICITY)
4931
4932struct interpreter {
4933 char broiled;
22239a37
NIS		 4934};
4935
8c1cc017 4936#else
22239a37 4937
d460ef45 4938/* If we have multiple interpreters define a struct
d4cce5f1 4939 holding variables which must be per-interpreter
d460ef45 4940 If we don't have threads anything that would have
d4cce5f1
NIS		 4941 be per-thread is per-interpreter.
4942*/
4943
8c1cc017 4944/* Set up PERLVAR macros for populating structs */
115ff745
NC		 4945# define PERLVAR(prefix,var,type) type prefix##var;
4946# define PERLVARA(prefix,var,n,type) type prefix##var[n];
4947# define PERLVARI(prefix,var,type,init) type prefix##var;
4948# define PERLVARIC(prefix,var,type,init) type prefix##var;
8c1cc017 4949
79072805 4950struct interpreter {
7766f137 4951# include "intrpvar.h"
49f531da 4952};
d4cce5f1 4953
724cf8d6
NC		 4954EXTCONST U16 PL_interp_size
4955 INIT(sizeof(struct interpreter));
4956
4957# define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \
4958 STRUCT_OFFSET(struct interpreter, member) + \
4959 sizeof(((struct interpreter*)0)->member)
4960
4961/* This will be useful for subsequent releases, because this has to be the
4962 same in your libperl as in main(), else you have a mismatch and must abort.
4963*/
4964EXTCONST U16 PL_interp_size_5_16_0
4965 INIT(PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_16_0_INTERP_MEMBER));
4966
4967
8c1cc017
NC		 4968# ifdef PERL_GLOBAL_STRUCT
4969/* MULTIPLICITY is automatically defined when PERL_GLOBAL_STRUCT is defined,
4970 hence it's safe and sane to nest this within #ifdef MULTIPLICITY */
4971
4972struct perl_vars {
4973# include "perlvars.h"
49f531da 4974};
8c1cc017 4975
724cf8d6
NC		 4976EXTCONST U16 PL_global_struct_size
4977 INIT(sizeof(struct perl_vars));
4978
8c1cc017
NC		 4979# ifdef PERL_CORE
4980# ifndef PERL_GLOBAL_STRUCT_PRIVATE
4981EXT struct perl_vars PL_Vars;
4982EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
4983# undef PERL_GET_VARS
4984# define PERL_GET_VARS() PL_VarsPtr
4985# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
4986# else /* PERL_CORE */
4987# if !defined(__GNUC__) || !defined(WIN32)
4988EXT
4989# endif /* WIN32 */
4990struct perl_vars *PL_VarsPtr;
4991# define PL_Vars (*((PL_VarsPtr) \
4992 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
4993# endif /* PERL_CORE */
4994# endif /* PERL_GLOBAL_STRUCT */
79072805 4995
22239a37 4996/* Done with PERLVAR macros for now ... */
8c1cc017
NC		 4997# undef PERLVAR
4998# undef PERLVARA
4999# undef PERLVARI
5000# undef PERLVARIC
8c1cc017
NC		 5001
5002#endif /* MULTIPLICITY */
79072805 5003
f7fe979e 5004struct tempsym; /* defined in pp_pack.c */
49704364 5005
22239a37 5006#include "thread.h"
79072805 5007#include "pp.h"
864dbfa3
GS		 5008
5009#ifndef PERL_CALLCONV
a0c21aa1
JH		 5010# ifdef __cplusplus
5011# define PERL_CALLCONV extern "C"
5012# else
5013# define PERL_CALLCONV
5014# endif
d460ef45 5015#endif
12a2785c
DD		 5016#ifndef PERL_CALLCONV_NO_RET
5017# define PERL_CALLCONV_NO_RET PERL_CALLCONV
5018#endif
5019
98c015b7
DD		 5020/* PERL_STATIC_NO_RET is supposed to be equivalent to STATIC on builds that
5021 dont have a noreturn as a declaration specifier
5022*/
5023#ifndef PERL_STATIC_NO_RET
5024# define PERL_STATIC_NO_RET STATIC
5025#endif
5026/* PERL_STATIC_NO_RET is supposed to be equivalent to PERL_STATIC_INLINE on
5027 builds that dont have a noreturn as a declaration specifier
5028*/
5029#ifndef PERL_STATIC_INLINE_NO_RET
5030# define PERL_STATIC_INLINE_NO_RET PERL_STATIC_INLINE
5031#endif
5032
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
541377b1
FC		 5170/* Static inline funcs that depend on includes and declarations above */
5171#include "inline.h"
f1fb8741 5172
bab3dc31 5173#include "overload.h"
a0d0e21e 5174
73c4f7a1
GS		 5175END_EXTERN_C
5176
a6006777 5177struct am_table {
8978b4ac
NC		 5178 U8 flags;
5179 U8 fallback;
5180 U16 spare;
eb160463 5181 U32 was_ok_sub;
9bd87817 5182 CV* table[NofAMmeth];
a0d0e21e 5183};
a6006777 5184struct am_table_short {
8978b4ac
NC		 5185 U8 flags;
5186 U8 fallback;
5187 U16 spare;
eb160463 5188 U32 was_ok_sub;
a6006777 5189};
a0d0e21e 5190typedef struct am_table AMT;
a6006777 5191typedef struct am_table_short AMTS;
a0d0e21e
LW		 5192
5193#define AMGfallNEVER 1
5194#define AMGfallNO 2
5195#define AMGfallYES 3
5196
a6006777 5197#define AMTf_AMAGIC 1
32251b26 5198#define AMTf_OVERLOADED 2
a6006777 5199#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5200#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5201#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 5202#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
5203#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
5204#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 5205
32251b26 5206#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5207
5208/*
5209 * some compilers like to redefine cos et alia as faster
5210 * (and less accurate?) versions called F_cos et cetera (Quidquid
5211 * latine dictum sit, altum viditur.) This trick collides with
5212 * the Perl overloading (amg). The following #defines fool both.
5213 */
5214
5215#ifdef _FASTMATH
5216# ifdef atan2
5217# define F_atan2_amg atan2_amg
5218# endif
5219# ifdef cos
5220# define F_cos_amg cos_amg
5221# endif
5222# ifdef exp
5223# define F_exp_amg exp_amg
5224# endif
5225# ifdef log
5226# define F_log_amg log_amg
5227# endif
5228# ifdef pow
5229# define F_pow_amg pow_amg
5230# endif
5231# ifdef sin
5232# define F_sin_amg sin_amg
5233# endif
5234# ifdef sqrt
5235# define F_sqrt_amg sqrt_amg
5236# endif
5237#endif /* _FASTMATH */
5238
83ee9e09
GS		 5239#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5240 PERLDBf_NOOPT | PERLDBf_INTER | \
5241 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
b8fcbefe
NC		 5242 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5243 PERLDBf_SAVESRC)
925cfbb8 5244 /* No _NONAME, _GOTO */
83ee9e09
GS		 5245#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5246#define PERLDBf_LINE 0x02 /* Keep line # */
5247#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5248#define PERLDBf_INTER 0x08 /* Preserve more data for
5249 later inspections */
5250#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5251#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5252#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5253#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5254#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5255#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
b8fcbefe 5256#define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
486ec47a 5257#define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */
c30d8139 5258#define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
84902520 5259
3280af22
NIS		 5260#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5261#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5262#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5263#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5264#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5265#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5266#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5267#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5268#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5269#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
b8fcbefe 5270#define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC))
c30d8139
NC		 5271#define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS))
5272#define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID))
bbce6d69 5273
36477c24 5274#ifdef USE_LOCALE_NUMERIC
bbce6d69 5275
36477c24 5276#define SET_NUMERIC_STANDARD() \
ff4fed7c 5277 set_numeric_standard();
36477c24 5278
5279#define SET_NUMERIC_LOCAL() \
ff4fed7c 5280 set_numeric_local();
bbce6d69 5281
66cbab2c
KW		 5282/* Returns non-zero If the plain locale pragma without a parameter is in effect
5283 */
a98fe34d 5284#define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE)
66cbab2c
KW		 5285
5286/* Returns non-zero If either form of the locale pragma is in effect */
5287#define IN_SOME_LOCALE_FORM_RUNTIME \
5288 (CopHINTS_get(PL_curcop) & (HINT_LOCALE|HINT_LOCALE_NOT_CHARS))
5289
2de3dbcc 5290#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
66cbab2c
KW		 5291#define IN_SOME_LOCALE_FORM_COMPILETIME \
5292 (PL_hints & (HINT_LOCALE|HINT_LOCALE_NOT_CHARS))
2de3dbcc
JH		 5293
5294#define IN_LOCALE \
923e4eb5 5295 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
66cbab2c
KW		 5296#define IN_SOME_LOCALE_FORM \
5297 (IN_PERL_COMPILETIME ? IN_SOME_LOCALE_FORM_COMPILETIME \
5298 : IN_SOME_LOCALE_FORM_RUNTIME)
2de3dbcc 5299
f93f4e46 5300#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 5301 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 5302 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 5303
5304#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 5305 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 5306 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 5307
5308#define RESTORE_NUMERIC_LOCAL() \
5309 if (was_local) SET_NUMERIC_LOCAL();
5310
5311#define RESTORE_NUMERIC_STANDARD() \
5312 if (was_standard) SET_NUMERIC_STANDARD();
5313
5b877257 5314#define Atof my_atof
097ee67d 5315
36477c24 5316#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5317
097ee67d
JH		 5318#define SET_NUMERIC_STANDARD() /**/
5319#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5320#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5321#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5322#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 5323#define RESTORE_NUMERIC_LOCAL() /**/
5324#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 5325#define Atof my_atof
ad3e0f90 5326#define IN_LOCALE_RUNTIME 0
d40eae8f 5327#define IN_LOCALE_COMPILETIME 0
bbce6d69 5328
36477c24 5329#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5330
85b76970
SH		 5331#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && \
5332 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
ec7b9793
JH		 5333# ifdef __hpux
5334# define strtoll __strtoll /* secret handshake */
5335# endif
c623ac67
GS		 5336# ifdef WIN64
5337# define strtoll _strtoi64 /* secret handshake */
5338# endif
079290de
GS		 5339# if !defined(Strtol) && defined(HAS_STRTOLL)
5340# define Strtol strtoll
ad551343 5341# endif
28e5dec8
JH		 5342# if !defined(Strtol) && defined(HAS_STRTOQ)
5343# define Strtol strtoq
5344# endif
ff935051 5345/* is there atoq() anywhere? */
15b99d39 5346#endif
079290de
GS		 5347#if !defined(Strtol) && defined(HAS_STRTOL)
5348# define Strtol strtol
5349#endif
5350#ifndef Atol
5351/* It would be more fashionable to use Strtol() to define atol()
5352 * (as is done for Atoul(), see below) but for backward compatibility
5353 * we just assume atol(). */
85b76970
SH		 5354# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && defined(HAS_ATOLL) && \
5355 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
c623ac67
GS		 5356# ifdef WIN64
5357# define atoll _atoi64 /* secret handshake */
5358# endif
76b882ba
JH		 5359# define Atol atoll
5360# else
5361# define Atol atol
5362# endif
cf2093f6
JH		 5363#endif
5364
85b76970
SH		 5365#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && \
5366 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
ec7b9793
JH		 5367# ifdef __hpux
5368# define strtoull __strtoull /* secret handshake */
5369# endif
c623ac67
GS		 5370# ifdef WIN64
5371# define strtoull _strtoui64 /* secret handshake */
5372# endif
ad551343 5373# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5374# define Strtoul strtoull
15b99d39 5375# endif
079290de
GS		 5376# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5377# define Strtoul strtouq
5378# endif
76d49b1c 5379/* is there atouq() anywhere? */
ad551343 5380#endif
079290de
GS		 5381#if !defined(Strtoul) && defined(HAS_STRTOUL)
5382# define Strtoul strtoul
cf2093f6 5383#endif
a5523c5b
JH		 5384#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5385# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5386#endif
079290de 5387#ifndef Atoul
d4c19fe8 5388# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5389#endif
cf2093f6 5390
760ac839 5391
06d86050
GS		 5392/* if these never got defined, they need defaults */
5393#ifndef PERL_SET_CONTEXT
5394# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5395#endif
5396
5397#ifndef PERL_GET_CONTEXT
5398# define PERL_GET_CONTEXT PERL_GET_INTERP
5399#endif
5400
5401#ifndef PERL_GET_THX
5402# define PERL_GET_THX ((void*)NULL)
5403#endif
5404
5405#ifndef PERL_SET_THX
5406# define PERL_SET_THX(t) NOOP
5407#endif
5408
a868473f
NIS		 5409#ifndef PERL_SCRIPT_MODE
5410#define PERL_SCRIPT_MODE "r"
5411#endif
5412
fba3b22e 5413/*
da927450
JH		 5414 * Some operating systems are stingy with stack allocation,
5415 * so perl may have to guard against stack overflow.
5416 */
5417#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5418#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5419#endif
5420
5421/*
5422 * Some nonpreemptive operating systems find it convenient to
5423 * check for asynchronous conditions after each op execution.
5424 * Keep this check simple, or it may slow down execution
5425 * massively.
5426 */
ce08f86c 5427
1d615522 5428#ifndef PERL_MICRO
4ffa73a3 5429# ifndef PERL_ASYNC_CHECK
16c91539 5430# define PERL_ASYNC_CHECK() if (PL_sig_pending) PL_signalhook(aTHX)
4ffa73a3 5431# endif
ce08f86c
NIS		 5432#endif
5433
da927450 5434#ifndef PERL_ASYNC_CHECK
1d615522 5435# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5436#endif
5437
5438/*
5439 * On some operating systems, a memory allocation may succeed,
5440 * but put the process too close to the system's comfort limit.
5441 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5442 * it to NULL.
5443 */
5444#ifndef PERL_ALLOC_CHECK
c2af87cb 5445#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5446#endif
5447
bd89102f
AD		 5448#ifdef HAS_SEM
5449# include <sys/ipc.h>
5450# include <sys/sem.h>
5451# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5452 union semun {
dbba660d
TC		 5453 int val;
5454 struct semid_ds *buf;
5455 unsigned short *array;
bd89102f
AD		 5456 };
5457# endif
5458# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5459# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5460 union gccbug_semun {
5461 int val;
5462 struct semid_ds *buf;
5463 unsigned short *array;
5464 char __dummy[5];
5465 };
5466# define semun gccbug_semun
5467# endif
bd89102f
AD		 5468# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5469# else
5470# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5471# ifdef EXTRA_F_IN_SEMUN_BUF
5472# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5473# else
5474# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5475# endif
bd89102f
AD		 5476# endif
5477# endif
bd89102f 5478#endif
49f531da 5479
89ca4ac7
JH		 5480/*
5481 * Boilerplate macros for initializing and accessing interpreter-local
5482 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 5483 * this, if you want to make the extension thread-safe. See
5484 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5485 * and perlxs.pod for more.
89ca4ac7
JH		 5486 *
5487 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5488 * 1. #define MY_CXT_KEY to a unique string, e.g.
5489 * "DynaLoader::_guts" XS_VERSION
f16dd614 5490 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5491 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5492 * all the data that needs to be interpreter-local.
5493 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5494 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5495 * (typically put in the BOOT: section).
5496 * 5. Use the members of the my_cxt_t structure everywhere as
5497 * MY_CXT.member.
5498 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5499 * access MY_CXT.
5500 */
5501
fc958cd2 5502#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 5503
4eddb856 5504/* START_MY_CXT must appear in all extensions that define a my_cxt_t structure,
53d44271
JH		 5505 * right after the definition (i.e. at file scope). The non-threads
5506 * case below uses it to declare the data as static. */
00ab59c9
DM		 5507# ifdef PERL_GLOBAL_STRUCT_PRIVATE
5508# define START_MY_CXT
5509# define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5510# define MY_CXT_INIT_ARG MY_CXT_KEY
5511# else
5512# define START_MY_CXT static int my_cxt_index = -1;
5513# define MY_CXT_INDEX my_cxt_index
5514# define MY_CXT_INIT_ARG &my_cxt_index
5515# endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
53d44271
JH		 5516
5517/* Creates and zeroes the per-interpreter data.
5518 * (We allocate my_cxtp in a Perl SV so that it will be released when
5519 * the interpreter goes away.) */
00ab59c9 5520# define MY_CXT_INIT \
53d44271 5521 my_cxt_t *my_cxtp = \
9f6df31a
Z		 5522 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
5523 PERL_UNUSED_VAR(my_cxtp)
00ab59c9 5524# define MY_CXT_INIT_INTERP(my_perl) \
53d44271 5525 my_cxt_t *my_cxtp = \
9f6df31a
Z		 5526 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
5527 PERL_UNUSED_VAR(my_cxtp)
53d44271
JH		 5528
5529/* This declaration should be used within all functions that use the
5530 * interpreter-local data. */
00ab59c9 5531# define dMY_CXT \
53d44271 5532 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
00ab59c9 5533# define dMY_CXT_INTERP(my_perl) \
53d44271
JH		 5534 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5535
5536/* Clones the per-interpreter data. */
00ab59c9 5537# define MY_CXT_CLONE \
53d44271
JH		 5538 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5539 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5540 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5541
53d44271 5542
89ca4ac7 5543/* This macro must be used to access members of the my_cxt_t structure.
870598ae 5544 * e.g. MY_CXT.some_data */
00ab59c9 5545# define MY_CXT (*my_cxtp)
89ca4ac7
JH		 5546
5547/* Judicious use of these macros can reduce the number of times dMY_CXT
5548 * is used. Use is similar to pTHX, aTHX etc. */
00ab59c9
DM		 5549# define pMY_CXT my_cxt_t *my_cxtp
5550# define pMY_CXT_ pMY_CXT,
5551# define _pMY_CXT ,pMY_CXT
5552# define aMY_CXT my_cxtp
5553# define aMY_CXT_ aMY_CXT,
5554# define _aMY_CXT ,aMY_CXT
89ca4ac7 5555
f16dd614 5556#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7 5557
00ab59c9
DM		 5558# define START_MY_CXT static my_cxt_t my_cxt;
5559# define dMY_CXT_SV dNOOP
5560# define dMY_CXT dNOOP
5561# define dMY_CXT_INTERP(my_perl) dNOOP
5562# define MY_CXT_INIT NOOP
5563# define MY_CXT_CLONE NOOP
5564# define MY_CXT my_cxt
5565
5566# define pMY_CXT void
5567# define pMY_CXT_
5568# define _pMY_CXT
5569# define aMY_CXT
5570# define aMY_CXT_
5571# define _aMY_CXT
89ca4ac7 5572
f16dd614 5573#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5574
9a34ef1d
GS		 5575#ifdef I_FCNTL
5576# include <fcntl.h>
9a34ef1d
GS		 5577#endif
5578
9cffb111
OS		 5579#ifdef __Lynx__
5580# include <fcntl.h>
5581#endif
5582
9a34ef1d
GS		 5583#ifdef I_SYS_FILE
5584# include <sys/file.h>
5585#endif
5586
fa0a29af 5587#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5588int flock(int fd, int op);
5589#endif
5590
fe52b3b7
GS		 5591#ifndef O_RDONLY
5592/* Assume UNIX defaults */
5593# define O_RDONLY 0000
5594# define O_WRONLY 0001
5595# define O_RDWR 0002
5596# define O_CREAT 0100
5597#endif
9a34ef1d 5598
16fe6d59
GS		 5599#ifndef O_BINARY
5600# define O_BINARY 0
5601#endif
5602
5603#ifndef O_TEXT
5604# define O_TEXT 0
5605#endif
5606
6ce75a77
JH		 5607#if O_TEXT != O_BINARY
5608 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5609 * that is, you are somehow DOSish. */
df00ff3b
IW		 5610# if defined(__BEOS__) || defined(__HAIKU__) || defined(__VOS__) || \
5611 defined(__CYGWIN__)
5612 /* BeOS/Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5613 * BeOS/Haiku is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5614 /* VOS has O_TEXT != O_BINARY, and they have effect,
5615 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5616 /* If you have O_TEXT different from your O_BINARY but you still are
5617 * not a CRLF shop. */
35990314 5618# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5619# else
5620 /* If you really are DOSish. */
5621# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5622# endif
5623#endif
5624
4bc88a62
PS		 5625#ifdef I_LIBUTIL
5626# include <libutil.h> /* setproctitle() in some FreeBSDs */
5627#endif
5628
b4748376 5629#ifndef EXEC_ARGV_CAST
360ea906 5630#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 5631#endif
5632
dd5dc04f
JH		 5633#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5634 int). value returned in pointed-
5635 to UV */
5636#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5637#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5638#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5639#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5640#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5641
5642#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5643
53305cf1
NC		 5644/* Input flags: */
5645#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5646#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5647#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
02470786
KW		 5648#define PERL_SCAN_SILENT_NON_PORTABLE 0x08 /* grok_??? not warn about very large
5649 numbers which are <= UV_MAX */
53305cf1
NC		 5650/* Output flags: */
5651#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5652
2c4f7f0e
DM		 5653/* to let user control profiling */
5654#ifdef PERL_GPROF_CONTROL
5655extern void moncontrol(int);
5656#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5657#else
5658#define PERL_GPROF_MONCONTROL(x)
5659#endif
5660
ae0e3d3b
JH		 5661#ifdef UNDER_CE
5662#include "wince.h"
5663#endif
5664
5665/* ISO 6429 NEL - C1 control NExt Line */
5666/* See http://www.unicode.org/unicode/reports/tr13/ */
ec34087a 5667#define NEXT_LINE_CHAR NEXT_LINE_NATIVE
ae0e3d3b
JH		 5668
5669/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5670#define UNICODE_LINE_SEPA_0 0xE2
5671#define UNICODE_LINE_SEPA_1 0x80
5672#define UNICODE_LINE_SEPA_2 0xA8
5673#define UNICODE_PARA_SEPA_0 0xE2
5674#define UNICODE_PARA_SEPA_1 0x80
5675#define UNICODE_PARA_SEPA_2 0xA9
5676
479b2847
GS		 5677#ifndef PIPESOCK_MODE
5678# define PIPESOCK_MODE
5679#endif
5680
460c8493
IZ		 5681#ifndef SOCKET_OPEN_MODE
5682# define SOCKET_OPEN_MODE PIPESOCK_MODE
5683#endif
5684
5685#ifndef PIPE_OPEN_MODE
5686# define PIPE_OPEN_MODE PIPESOCK_MODE
5687#endif
5688
7e8c5dac
HS		 5689#define PERL_MAGIC_UTF8_CACHESIZE 2
5690
a05d7ebb
JH		 5691#define PERL_UNICODE_STDIN_FLAG 0x0001
5692#define PERL_UNICODE_STDOUT_FLAG 0x0002
5693#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5694#define PERL_UNICODE_IN_FLAG 0x0008
5695#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5696#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5697#define PERL_UNICODE_LOCALE_FLAG 0x0040
5698#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 5699#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 5700
06e66572
JH		 5701#define PERL_UNICODE_STD_FLAG \
5702 (PERL_UNICODE_STDIN_FLAG | \
5703 PERL_UNICODE_STDOUT_FLAG | \
5704 PERL_UNICODE_STDERR_FLAG)
5705
5706#define PERL_UNICODE_INOUT_FLAG \
5707 (PERL_UNICODE_IN_FLAG | \
5708 PERL_UNICODE_OUT_FLAG)
5709
5710#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5711 (PERL_UNICODE_STD_FLAG | \
5712 PERL_UNICODE_INOUT_FLAG | \
5713 PERL_UNICODE_LOCALE_FLAG)
5714
5a22a2bb 5715#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 5716
5717#define PERL_UNICODE_STDIN 'I'
5718#define PERL_UNICODE_STDOUT 'O'
5719#define PERL_UNICODE_STDERR 'E'
5720#define PERL_UNICODE_STD 'S'
5721#define PERL_UNICODE_IN 'i'
5722#define PERL_UNICODE_OUT 'o'
5723#define PERL_UNICODE_INOUT 'D'
5724#define PERL_UNICODE_ARGV 'A'
5725#define PERL_UNICODE_LOCALE 'L'
5726#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 5727#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 5728
4ffa73a3
JH		 5729#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5730
32fdb065 5731/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5732 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5733#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5734
3c0f78ca
JH		 5735#if defined(__DECC) && defined(__osf__)
5736#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 5737#endif
5738
e4dba786
NC		 5739#define do_open(g, n, l, a, rm, rp, sf) \
5740 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 5741#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 5742# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 5743#endif
15871fce
NC		 5744#ifdef OS2
5745# define do_aexec Perl_do_aexec
5746#else
5747# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 5748#endif
e4dba786 5749
2f3efc97
JH		 5750#if defined(OEMVS)
5751#define NO_ENV_ARRAY_IN_MAIN
5752#endif
5753
00f254e2
KW		 5754/* These are used by Perl_pv_escape() and Perl_pv_pretty()
5755 * are here so that they are available throughout the core
10edeb5d
JH		 5756 * NOTE that even though some are for _escape and some for _pretty
5757 * there must not be any clashes as the flags from _pretty are
5758 * passed straight through to _escape.
5759 */
5760
5761#define PERL_PV_ESCAPE_QUOTE 0x0001
5762#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
5763
95b611b0 5764#define PERL_PV_PRETTY_ELLIPSES 0x0002
10edeb5d
JH		 5765#define PERL_PV_PRETTY_LTGT 0x0004
5766
5767#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
5768
00f254e2 5769#define PERL_PV_ESCAPE_UNI 0x0100
10edeb5d 5770#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
681f01c2 5771#define PERL_PV_ESCAPE_NONASCII 0x0400
10edeb5d
JH		 5772
5773#define PERL_PV_ESCAPE_ALL 0x1000
5774#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
5775#define PERL_PV_ESCAPE_NOCLEAR 0x4000
44a2ac75 5776#define PERL_PV_ESCAPE_RE 0x8000
10edeb5d 5777
881a015e
NC		 5778#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
5779
10edeb5d 5780/* used by pv_display in dump.c*/
95b611b0 5781#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
c89df6cf 5782#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII
10edeb5d
JH		 5783
5784/*
5785
5786 (KEEP THIS LAST IN perl.h!)
5787
5788 Mention
d460ef45 5789
43999f95 5790 NV_PRESERVES_UV
fe749a9f 5791
fe749a9f
JH		 5792 HAS_MKSTEMP
5793 HAS_MKSTEMPS
5794 HAS_MKDTEMP
5795
49dabb45
JH		 5796 HAS_GETCWD
5797
d59b5429 5798 HAS_MMAP
fe749a9f
JH		 5799 HAS_MPROTECT
5800 HAS_MSYNC
1e8c3fde 5801 HAS_MADVISE
fe749a9f
JH		 5802 HAS_MUNMAP
5803 I_SYSMMAN
5804 Mmap_t
5805
6b4667fc
A		 5806 NVef
5807 NVff
5808 NVgf
5809
4e0554ec 5810 HAS_UALARM
2d736872 5811 HAS_USLEEP
4e0554ec
JH		 5812
5813 HAS_SETITIMER
5814 HAS_GETITIMER
5815
5816 HAS_SENDMSG
5817 HAS_RECVMSG
5818 HAS_READV
5819 HAS_WRITEV
5820 I_SYSUIO
5821 HAS_STRUCT_MSGHDR
5822 HAS_STRUCT_CMSGHDR
5823
2765b840 5824 HAS_NL_LANGINFO
0a7020c9 5825
ae0e3d3b 5826 HAS_DIRFD
2765b840 5827
10edeb5d 5828 so that Configure picks them up.
ab3bbdeb 5829
10edeb5d 5830 (KEEP THIS LAST IN perl.h!)
3df15adc 5831
10edeb5d 5832*/
3df15adc 5833
85e6fe83 5834#endif /* Include guard */
e9a8c099
MHM		 5835
5836/*
5837 * Local variables:
5838 * c-indentation-style: bsd
5839 * c-basic-offset: 4
14d04a33 5840 * indent-tabs-mode: nil
e9a8c099
MHM		 5841 * End:
5842 *
14d04a33 5843 * ex: set ts=8 sts=4 sw=4 et:
e9a8c099 5844 */
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