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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 */
2986a63f 513#if defined(MSDOS) || defined(atarist) || 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)
732# else /* best guess we can make */
733# define U64_CONST(x) ((U64)x##UL)
734# endif
735# endif
736
737/* byte-swapping functions for big-/little-endian conversion */
738# define _swab_16_(x) ((U16)( \
739 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
740 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
741
742# define _swab_32_(x) ((U32)( \
743 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
744 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
745 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
746 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
747
748# ifdef HAS_QUAD
749# define _swab_64_(x) ((U64)( \
750 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
751 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
752 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
753 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
754 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
755 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
756 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
757 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
758# endif
759
760/*----------------------------------------------------------------------------*/
761# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
762/*----------------------------------------------------------------------------*/
763# define my_htole16(x) (x)
764# define my_letoh16(x) (x)
765# define my_htole32(x) (x)
766# define my_letoh32(x) (x)
767# define my_htobe16(x) _swab_16_(x)
768# define my_betoh16(x) _swab_16_(x)
769# define my_htobe32(x) _swab_32_(x)
770# define my_betoh32(x) _swab_32_(x)
771# ifdef HAS_QUAD
772# define my_htole64(x) (x)
773# define my_letoh64(x) (x)
774# define my_htobe64(x) _swab_64_(x)
775# define my_betoh64(x) _swab_64_(x)
776# endif
777# define my_htoles(x) (x)
778# define my_letohs(x) (x)
779# define my_htolei(x) (x)
780# define my_letohi(x) (x)
781# define my_htolel(x) (x)
782# define my_letohl(x) (x)
783# if SHORTSIZE == 1
784# define my_htobes(x) (x)
785# define my_betohs(x) (x)
786# elif SHORTSIZE == 2
787# define my_htobes(x) _swab_16_(x)
788# define my_betohs(x) _swab_16_(x)
789# elif SHORTSIZE == 4
790# define my_htobes(x) _swab_32_(x)
791# define my_betohs(x) _swab_32_(x)
792# elif SHORTSIZE == 8
793# define my_htobes(x) _swab_64_(x)
794# define my_betohs(x) _swab_64_(x)
795# else
796# define PERL_NEED_MY_HTOBES
797# define PERL_NEED_MY_BETOHS
798# endif
799# if INTSIZE == 1
800# define my_htobei(x) (x)
801# define my_betohi(x) (x)
802# elif INTSIZE == 2
803# define my_htobei(x) _swab_16_(x)
804# define my_betohi(x) _swab_16_(x)
805# elif INTSIZE == 4
806# define my_htobei(x) _swab_32_(x)
807# define my_betohi(x) _swab_32_(x)
808# elif INTSIZE == 8
809# define my_htobei(x) _swab_64_(x)
810# define my_betohi(x) _swab_64_(x)
811# else
812# define PERL_NEED_MY_HTOBEI
813# define PERL_NEED_MY_BETOHI
814# endif
815# if LONGSIZE == 1
816# define my_htobel(x) (x)
817# define my_betohl(x) (x)
818# elif LONGSIZE == 2
819# define my_htobel(x) _swab_16_(x)
820# define my_betohl(x) _swab_16_(x)
821# elif LONGSIZE == 4
822# define my_htobel(x) _swab_32_(x)
823# define my_betohl(x) _swab_32_(x)
824# elif LONGSIZE == 8
825# define my_htobel(x) _swab_64_(x)
826# define my_betohl(x) _swab_64_(x)
827# else
828# define PERL_NEED_MY_HTOBEL
829# define PERL_NEED_MY_BETOHL
830# endif
831# define my_htolen(p,n) NOOP
832# define my_letohn(p,n) NOOP
833# define my_htoben(p,n) my_swabn(p,n)
834# define my_betohn(p,n) my_swabn(p,n)
835/*----------------------------------------------------------------------------*/
836# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
837/*----------------------------------------------------------------------------*/
838# define my_htobe16(x) (x)
839# define my_betoh16(x) (x)
840# define my_htobe32(x) (x)
841# define my_betoh32(x) (x)
842# define my_htole16(x) _swab_16_(x)
843# define my_letoh16(x) _swab_16_(x)
844# define my_htole32(x) _swab_32_(x)
845# define my_letoh32(x) _swab_32_(x)
846# ifdef HAS_QUAD
847# define my_htobe64(x) (x)
848# define my_betoh64(x) (x)
849# define my_htole64(x) _swab_64_(x)
850# define my_letoh64(x) _swab_64_(x)
851# endif
852# define my_htobes(x) (x)
853# define my_betohs(x) (x)
854# define my_htobei(x) (x)
855# define my_betohi(x) (x)
856# define my_htobel(x) (x)
857# define my_betohl(x) (x)
858# if SHORTSIZE == 1
859# define my_htoles(x) (x)
860# define my_letohs(x) (x)
861# elif SHORTSIZE == 2
862# define my_htoles(x) _swab_16_(x)
863# define my_letohs(x) _swab_16_(x)
864# elif SHORTSIZE == 4
865# define my_htoles(x) _swab_32_(x)
866# define my_letohs(x) _swab_32_(x)
867# elif SHORTSIZE == 8
868# define my_htoles(x) _swab_64_(x)
869# define my_letohs(x) _swab_64_(x)
870# else
871# define PERL_NEED_MY_HTOLES
872# define PERL_NEED_MY_LETOHS
873# endif
874# if INTSIZE == 1
875# define my_htolei(x) (x)
876# define my_letohi(x) (x)
877# elif INTSIZE == 2
878# define my_htolei(x) _swab_16_(x)
879# define my_letohi(x) _swab_16_(x)
880# elif INTSIZE == 4
881# define my_htolei(x) _swab_32_(x)
882# define my_letohi(x) _swab_32_(x)
883# elif INTSIZE == 8
884# define my_htolei(x) _swab_64_(x)
885# define my_letohi(x) _swab_64_(x)
886# else
887# define PERL_NEED_MY_HTOLEI
888# define PERL_NEED_MY_LETOHI
889# endif
890# if LONGSIZE == 1
891# define my_htolel(x) (x)
892# define my_letohl(x) (x)
893# elif LONGSIZE == 2
894# define my_htolel(x) _swab_16_(x)
895# define my_letohl(x) _swab_16_(x)
896# elif LONGSIZE == 4
897# define my_htolel(x) _swab_32_(x)
898# define my_letohl(x) _swab_32_(x)
899# elif LONGSIZE == 8
900# define my_htolel(x) _swab_64_(x)
901# define my_letohl(x) _swab_64_(x)
902# else
903# define PERL_NEED_MY_HTOLEL
904# define PERL_NEED_MY_LETOHL
905# endif
906# define my_htolen(p,n) my_swabn(p,n)
907# define my_letohn(p,n) my_swabn(p,n)
908# define my_htoben(p,n) NOOP
909# define my_betohn(p,n) NOOP
910/*----------------------------------------------------------------------------*/
911# else /* all other byte-orders */
912/*----------------------------------------------------------------------------*/
913# define PERL_NEED_MY_HTOLE16
914# define PERL_NEED_MY_LETOH16
915# define PERL_NEED_MY_HTOBE16
916# define PERL_NEED_MY_BETOH16
917# define PERL_NEED_MY_HTOLE32
918# define PERL_NEED_MY_LETOH32
919# define PERL_NEED_MY_HTOBE32
920# define PERL_NEED_MY_BETOH32
921# ifdef HAS_QUAD
922# define PERL_NEED_MY_HTOLE64
923# define PERL_NEED_MY_LETOH64
924# define PERL_NEED_MY_HTOBE64
925# define PERL_NEED_MY_BETOH64
926# endif
927# define PERL_NEED_MY_HTOLES
928# define PERL_NEED_MY_LETOHS
929# define PERL_NEED_MY_HTOBES
930# define PERL_NEED_MY_BETOHS
931# define PERL_NEED_MY_HTOLEI
932# define PERL_NEED_MY_LETOHI
933# define PERL_NEED_MY_HTOBEI
934# define PERL_NEED_MY_BETOHI
935# define PERL_NEED_MY_HTOLEL
936# define PERL_NEED_MY_LETOHL
937# define PERL_NEED_MY_HTOBEL
938# define PERL_NEED_MY_BETOHL
939/*----------------------------------------------------------------------------*/
940# endif /* end of byte-order macros */
941/*----------------------------------------------------------------------------*/
942
9c17f24a
NC		 943/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
944 at least on FreeBSD. YMMV, so experiment. */
945#ifndef PERL_ARENA_SIZE
946#define PERL_ARENA_SIZE 4080
947#endif
948
ccb2c8b8 949/* Maximum level of recursion */
2b9dff67
RGS		 950#ifndef PERL_SUB_DEPTH_WARN
951#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 952#endif
953
1109a392
MHM		 954#endif /* PERL_CORE */
955
bdf3085f
NC		 956/* We no longer default to creating a new SV for GvSV.
957 Do this before embed. */
958#ifndef PERL_CREATE_GVSV
7459f06b
NC		 959# ifndef PERL_DONT_CREATE_GVSV
960# define PERL_DONT_CREATE_GVSV
961# endif
bdf3085f
NC		 962#endif
963
ca0c25f6
NC		 964#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
965#define PERL_USES_PL_PIDSTATUS
966#endif
967
e37778c2 968#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__)
a62746fa
RGS		 969#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
970#endif
971
c31fac66
GS		 972#define MEM_SIZE Size_t
973
1936d2a7
NC		 974/* Round all values passed to malloc up, by default to a multiple of
975 sizeof(size_t)
976*/
977#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
978#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
979#endif
980
f1200559
WH		 981/* sv_grow() will expand strings by at least a certain percentage of
982 the previously *used* length to avoid excessive calls to realloc().
983 The default is 25% of the current length.
984*/
985#ifndef PERL_STRLEN_EXPAND_SHIFT
986# define PERL_STRLEN_EXPAND_SHIFT 2
987#endif
988
51371543
GS		 989#if defined(STANDARD_C) && defined(I_STDDEF)
990# include <stddef.h>
991# define STRUCT_OFFSET(s,m) offsetof(s,m)
992#else
993# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
994#endif
995
9969cdde 996#ifndef __SYMBIAN32__
27da23d5
JH		 997# if defined(I_STRING) || defined(__cplusplus)
998# include <string.h>
999# else
1000# include <strings.h>
1001# endif
51371543
GS		 1002#endif
1003
55497cff 1004/* This comes after <stdlib.h> so we don't try to change the standard
1005 * library prototypes; we'll use our own in proto.h instead. */
03a14243 1006
4633a7c4 1007#ifdef MYMALLOC
86058a2d 1008# ifdef PERL_POLLUTE_MALLOC
ee13e175 1009# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 1010# define Perl_malloc malloc
1011# define Perl_calloc calloc
1012# define Perl_realloc realloc
1013# define Perl_mfree free
ee13e175 1014# endif
86058a2d
GS		 1015# else
1016# define EMBEDMYMALLOC /* for compatibility */
1017# endif
827e134a 1018
651b9576
GS		 1019# define safemalloc Perl_malloc
1020# define safecalloc Perl_calloc
1021# define saferealloc Perl_realloc
1022# define safefree Perl_mfree
22f7c9c9
JH		 1023# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1024 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1025 code; \
1026 } STMT_END
1027# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1028 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1029# define panic_write2(s) write(2, s, strlen(s))
1030# define CHECK_MALLOC_TAINT(newval) \
1031 CHECK_MALLOC_TOO_LATE_FOR_( \
1032 if (newval) { \
1033 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1034 exit(1); })
22f7c9c9 1035# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1036 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 1037 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1038 }} STMT_END;
f2517201
GS		 1039#else /* MYMALLOC */
1040# define safemalloc safesysmalloc
1041# define safecalloc safesyscalloc
1042# define saferealloc safesysrealloc
1043# define safefree safesysfree
22f7c9c9
JH		 1044# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1045# define CHECK_MALLOC_TAINT(newval) ((void)0)
1046# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1047#endif /* MYMALLOC */
4633a7c4 1048
fe13d51d 1049/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 1050#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		 1051#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1052#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1053#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1054
a0d0e21e
LW		 1055#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1056#define strchr index
1057#define strrchr rindex
1058#endif
1059
16d20bd9
AD		 1060#ifdef I_MEMORY
1061# include <memory.h>
1062#endif
1063
fe14fcc3 1064#ifdef HAS_MEMCPY
85e6fe83 1065# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1066# ifndef memcpy
20ce7b12 1067 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 1068# endif
1069# endif
1070#else
1071# ifndef memcpy
1072# ifdef HAS_BCOPY
1073# define memcpy(d,s,l) bcopy(s,d,l)
1074# else
1075# define memcpy(d,s,l) my_bcopy(s,d,l)
1076# endif
1077# endif
1078#endif /* HAS_MEMCPY */
fe14fcc3 1079
ee0007ab 1080#ifdef HAS_MEMSET
85e6fe83 1081# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1082# ifndef memset
20ce7b12 1083 extern char *memset (char*, int, int);
ee0007ab
LW		 1084# endif
1085# endif
ee0007ab 1086#else
12ae5dfc 1087# undef memset
fc36a67e 1088# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1089#endif /* HAS_MEMSET */
1090
85e6fe83 1091#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1092# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1093# define memmove(d,s,l) bcopy(s,d,l)
1094# else
2304df62 1095# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1096# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1097# else
79072805 1098# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1099# endif
352d5a3a 1100# endif
d9d8d8de 1101#endif
ee0007ab 1102
36477c24 1103#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1104# undef HAS_MEMCMP
1105#endif
1106
1107#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1108# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1109# ifndef memcmp
20ce7b12 1110 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1111# endif
1112# endif
36477c24 1113# ifdef BUGGY_MSC
7e4e8c89 1114# pragma function(memcmp)
36477c24 1115# endif
ee0007ab
LW		 1116#else
1117# ifndef memcmp
ecfc5424 1118# define memcmp my_memcmp
352d5a3a 1119# endif
36477c24 1120#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1121
fc36a67e 1122#ifndef memzero
c635e13b 1123# ifdef HAS_MEMSET
1124# define memzero(d,l) memset(d,0,l)
79072805 1125# else
c635e13b 1126# ifdef HAS_BZERO
1127# define memzero(d,l) bzero(d,l)
79072805 1128# else
fc36a67e 1129# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1130# endif
1131# endif
d9d8d8de 1132#endif
378cc40b 1133
2f42fcb0 1134#ifndef PERL_MICRO
0f27ced1
JH		 1135#ifndef memchr
1136# ifndef HAS_MEMCHR
1137# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1138# endif
1139#endif
2f42fcb0 1140#endif
0f27ced1 1141
36477c24 1142#ifndef HAS_BCMP
1143# ifndef bcmp
1144# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1145# endif
36477c24 1146#endif /* !HAS_BCMP */
378cc40b 1147
ae986130 1148#ifdef I_NETINET_IN
79072805 1149# include <netinet/in.h>
ae986130
LW		 1150#endif
1151
28e8609d
JH		 1152#ifdef I_ARPA_INET
1153# include <arpa/inet.h>
1154#endif
1155
84902520
TB		 1156#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1157/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1158 * (the neo-BSD seem to do this). */
1159# undef SF_APPEND
1160#endif
1161
1aef975c 1162#ifdef I_SYS_STAT
84902520 1163# include <sys/stat.h>
1aef975c 1164#endif
79072805 1165
287a962e
JD		 1166/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1167 This definition should ideally go into win32/win32.h, but S_IFIFO is
1168 used later here in perl.h before win32/win32.h is being included. */
1169#if !defined(S_IFIFO) && defined(_S_IFIFO)
1170# define S_IFIFO _S_IFIFO
1171#endif
1172
a0d0e21e
LW		 1173/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1174 like UTekV) are broken, sometimes giving false positives. Undefine
1175 them here and let the code below set them to proper values.
1176
1177 The ghs macro stands for GreenHills Software C-1.8.5 which
1178 is the C compiler for sysV88 and the various derivatives.
1179 This header file bug is corrected in gcc-2.5.8 and later versions.
1180 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1181
1182#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1183# undef S_ISDIR
1184# undef S_ISCHR
1185# undef S_ISBLK
1186# undef S_ISREG
1187# undef S_ISFIFO
1188# undef S_ISLNK
ee0007ab 1189#endif
135863df 1190
663a0e37
LW		 1191#ifdef I_TIME
1192# include <time.h>
ffed7fef 1193#endif
663a0e37 1194
fe14fcc3 1195#ifdef I_SYS_TIME
85e6fe83 1196# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1197# define KERNEL
1198# endif
1199# include <sys/time.h>
85e6fe83 1200# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1201# undef KERNEL
1202# endif
a687059c 1203#endif
135863df 1204
55497cff 1205#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1206# include <sys/times.h>
d9d8d8de 1207#endif
8d063cd8 1208
fe14fcc3 1209#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1210# undef HAS_STRERROR
663a0e37
LW		 1211#endif
1212
1213#include <errno.h>
1e743fda 1214
acfe0abc 1215#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1216# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1217#endif
1218
8cfab5ff 1219/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1220 * This is important for using IPv6.
8cfab5ff
JH		 1221 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1222 * a bad idea since it breaks send() and recv(). */
1223#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1224# define _SOCKADDR_LEN
1225#endif
1226
da70cfc6 1227#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH		 1228# include <sys/socket.h>
1229# if defined(USE_SOCKS) && defined(I_SOCKS)
1230# if !defined(INCLUDE_PROTOTYPES)
1231# define INCLUDE_PROTOTYPES /* for <socks.h> */
1232# define PERL_SOCKS_NEED_PROTOTYPES
1233# endif
1234# include <socks.h>
1235# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1236# undef INCLUDE_PROTOTYPES
1237# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1238# endif
d460ef45 1239# endif
1e743fda 1240# ifdef I_NETDB
2986a63f
JH		 1241# ifdef NETWARE
1242# include<stdio.h>
1243# endif
1e743fda
JH		 1244# include <netdb.h>
1245# endif
1246# ifndef ENOTSOCK
1247# ifdef I_NET_ERRNO
1248# include <net/errno.h>
1249# endif
1250# endif
1251#endif
1252
fa0a29af 1253/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1254 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1255 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1256#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1257# if defined(__THROW) && defined(__GLIBC__)
1258int sockatmark(int) __THROW;
1259# else
2ef53570 1260int sockatmark(int);
29820b6d 1261# endif
2ef53570
JH		 1262#endif
1263
7e827271 1264#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		 1265EXTERN_C int fchdir(int);
1266EXTERN_C int flock(int, int);
1267EXTERN_C int fseeko(FILE *, off_t, int);
1268EXTERN_C off_t ftello(FILE *);
1269#endif
1270
7e827271 1271#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1272EXTERN_C char *crypt(const char *, const char *);
7e827271 1273EXTERN_C char **environ;
1ccb7c8d
JH		 1274#endif
1275
83a6ff2e 1276#if defined(__cplusplus)
944c4fda 1277# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1278EXTERN_C char **environ;
83a6ff2e 1279# elif defined(__CYGWIN__)
667e2948
SP		 1280EXTERN_C char *crypt(const char *, const char *);
1281#endif
83a6ff2e 1282#endif
667e2948 1283
1e743fda
JH		 1284#ifdef SETERRNO
1285# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1286#endif
f86702cc 1287
1288#ifdef VMS
1289# define SETERRNO(errcode,vmserrcode) \
1290 STMT_START { \
1291 set_errno(errcode); \
1292 set_vaxc_errno(vmserrcode); \
1293 } STMT_END
4ee39169
CS		 1294# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1295# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1296# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1297# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1298
93189314
JH		 1299# define LIB_INVARG LIB$_INVARG
1300# define RMS_DIR RMS$_DIR
1301# define RMS_FAC RMS$_FAC
1302# define RMS_FEX RMS$_FEX
1303# define RMS_FNF RMS$_FNF
1304# define RMS_IFI RMS$_IFI
1305# define RMS_ISI RMS$_ISI
1306# define RMS_PRV RMS$_PRV
1307# define SS_ACCVIO SS$_ACCVIO
1308# define SS_DEVOFFLINE SS$_DEVOFFLINE
1309# define SS_IVCHAN SS$_IVCHAN
1310# define SS_NORMAL SS$_NORMAL
748a9306 1311#else
aba27d88 1312# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS		 1313# define dSAVEDERRNO int saved_errno
1314# define dSAVE_ERRNO int saved_errno = errno
1315# define SAVE_ERRNO (saved_errno = errno)
1316# define RESTORE_ERRNO (errno = saved_errno)
1317
93189314
JH		 1318# define LIB_INVARG 0
1319# define RMS_DIR 0
1320# define RMS_FAC 0
1321# define RMS_FEX 0
1322# define RMS_FNF 0
1323# define RMS_IFI 0
1324# define RMS_ISI 0
1325# define RMS_PRV 0
1326# define SS_ACCVIO 0
1327# define SS_DEVOFFLINE 0
1328# define SS_IVCHAN 0
1329# define SS_NORMAL 0
748a9306 1330#endif
ed6116ce 1331
f5fa9033 1332#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC		 1333
1334#define CLEAR_ERRSV() STMT_START { \
1335 if (!GvSV(PL_errgv)) { \
1336 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1337 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1338 SvREFCNT_dec(GvSV(PL_errgv)); \
1339 GvSV(PL_errgv) = newSVpvs(""); \
1340 } else { \
1341 SV *const errsv = GvSV(PL_errgv); \
1342 sv_setpvs(errsv, ""); \
1343 if (SvMAGICAL(errsv)) { \
1344 mg_free(errsv); \
1345 } \
1346 SvPOK_only(errsv); \
1347 } \
1348 } STMT_END
1349
1350
414bf5ae
MHM		 1351#ifdef PERL_CORE
1352# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC		 1353# define DEFSV_set(sv) \
1354 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1355# define SAVE_DEFSV \
1356 ( \
1357 save_gp(PL_defgv, 0), \
1358 GvINTRO_off(PL_defgv), \
1359 SAVEGENERICSV(GvSV(PL_defgv)), \
1360 GvSV(PL_defgv) = NULL \
1361 )
414bf5ae
MHM		 1362#else
1363# define DEFSV GvSVn(PL_defgv)
55b5114f
FC		 1364# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1365# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1366#endif
38a03e6e 1367
98eae8f5
GS		 1368#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1369
55497cff 1370#ifndef errno
5ff3f7a4
GS		 1371 extern int errno; /* ANSI allows errno to be an lvalue expr.
1372 * For example in multithreaded environments
1373 * something like this might happen:
1374 * extern int *_errno(void);
1375 * #define errno (*_errno()) */
d9d8d8de 1376#endif
663a0e37 1377
2304df62 1378#ifdef HAS_STRERROR
2242159b 1379#ifndef DONT_DECLARE_STD
a0d0e21e 1380# ifdef VMS
20ce7b12 1381 char *strerror (int,...);
a0d0e21e 1382# else
20ce7b12 1383 char *strerror (int);
a0d0e21e 1384# endif
2242159b 1385#endif
2304df62
AD		 1386# ifndef Strerror
1387# define Strerror strerror
1388# endif
1389#else
1390# ifdef HAS_SYS_ERRLIST
79072805
LW		 1391 extern int sys_nerr;
1392 extern char *sys_errlist[];
2304df62
AD		 1393# ifndef Strerror
1394# define Strerror(e) \
79072805 1395 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1396# endif
79072805 1397# endif
35c8bce7 1398#endif
663a0e37 1399
2304df62 1400#ifdef I_SYS_IOCTL
79072805
LW		 1401# ifndef _IOCTL_
1402# include <sys/ioctl.h>
1403# endif
a687059c
LW		 1404#endif
1405
ee0007ab 1406#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1407# ifdef HAS_SOCKETPAIR
1408# undef HAS_SOCKETPAIR
1409# endif
2304df62
AD		 1410# ifdef I_NDBM
1411# undef I_NDBM
79072805 1412# endif
a687059c
LW		 1413#endif
1414
02fc2eee
NC		 1415#ifndef HAS_SOCKETPAIR
1416# ifdef HAS_SOCKET
1417# define socketpair Perl_my_socketpair
1418# endif
1419#endif
1420
a687059c 1421#if INTSIZE == 2
79072805
LW		 1422# define htoni htons
1423# define ntohi ntohs
a687059c 1424#else
79072805
LW		 1425# define htoni htonl
1426# define ntohi ntohl
a687059c
LW		 1427#endif
1428
a0d0e21e 1429/* Configure already sets Direntry_t */
35c8bce7 1430#if defined(I_DIRENT)
663a0e37 1431# include <dirent.h>
8f1f23e8
W		 1432 /* NeXT needs dirent + sys/dir.h */
1433# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1434# include <sys/dir.h>
1435# endif
ae986130 1436#else
fe14fcc3 1437# ifdef I_SYS_NDIR
79a0689e 1438# include <sys/ndir.h>
663a0e37 1439# else
fe14fcc3 1440# ifdef I_SYS_DIR
79a0689e
LW		 1441# ifdef hp9000s500
1442# include <ndir.h> /* may be wrong in the future */
1443# else
1444# include <sys/dir.h>
1445# endif
663a0e37
LW		 1446# endif
1447# endif
4633a7c4 1448#endif
a687059c 1449
12ae5dfc
JH		 1450#ifdef PERL_MICRO
1451# ifndef DIR
1452# define DIR void
1453# endif
1454#endif
1455
352d5a3a
LW		 1456#ifdef FPUTS_BOTCH
1457/* work around botch in SunOS 4.0.1 and 4.0.2 */
1458# ifndef fputs
79072805 1459# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1460# endif
1461#endif
1462
c623bd54
LW		 1463/*
1464 * The following gobbledygook brought to you on behalf of __STDC__.
1465 * (I could just use #ifndef __STDC__, but this is more bulletproof
1466 * in the face of half-implementations.)
1467 */
1468
7114a2d2 1469#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1470#include <sys/mode.h>
1471#endif
1472
c623bd54
LW		 1473#ifndef S_IFMT
1474# ifdef _S_IFMT
1475# define S_IFMT _S_IFMT
1476# else
1477# define S_IFMT 0170000
1478# endif
1479#endif
1480
1481#ifndef S_ISDIR
1482# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1483#endif
1484
1485#ifndef S_ISCHR
1486# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1487#endif
1488
1489#ifndef S_ISBLK
fe14fcc3
LW		 1490# ifdef S_IFBLK
1491# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1492# else
1493# define S_ISBLK(m) (0)
1494# endif
c623bd54
LW		 1495#endif
1496
1497#ifndef S_ISREG
1498# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1499#endif
1500
1501#ifndef S_ISFIFO
fe14fcc3
LW		 1502# ifdef S_IFIFO
1503# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1504# else
1505# define S_ISFIFO(m) (0)
1506# endif
c623bd54
LW		 1507#endif
1508
1509#ifndef S_ISLNK
1510# ifdef _S_ISLNK
1511# define S_ISLNK(m) _S_ISLNK(m)
1512# else
1513# ifdef _S_IFLNK
1514# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1515# else
1516# ifdef S_IFLNK
1517# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1518# else
1519# define S_ISLNK(m) (0)
1520# endif
1521# endif
1522# endif
1523#endif
1524
1525#ifndef S_ISSOCK
1526# ifdef _S_ISSOCK
1527# define S_ISSOCK(m) _S_ISSOCK(m)
1528# else
1529# ifdef _S_IFSOCK
1530# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1531# else
1532# ifdef S_IFSOCK
1533# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1534# else
1535# define S_ISSOCK(m) (0)
1536# endif
1537# endif
1538# endif
1539#endif
1540
1541#ifndef S_IRUSR
1542# ifdef S_IREAD
1543# define S_IRUSR S_IREAD
1544# define S_IWUSR S_IWRITE
1545# define S_IXUSR S_IEXEC
1546# else
1547# define S_IRUSR 0400
1548# define S_IWUSR 0200
1549# define S_IXUSR 0100
1550# endif
fac7cdfc
JS		 1551#endif
1552
1553#ifndef S_IRGRP
1554# ifdef S_IRUSR
1555# define S_IRGRP (S_IRUSR>>3)
1556# define S_IWGRP (S_IWUSR>>3)
1557# define S_IXGRP (S_IXUSR>>3)
1558# else
1559# define S_IRGRP 0040
1560# define S_IWGRP 0020
1561# define S_IXGRP 0010
1562# endif
1563#endif
1564
1565#ifndef S_IROTH
1566# ifdef S_IRUSR
1567# define S_IROTH (S_IRUSR>>6)
1568# define S_IWOTH (S_IWUSR>>6)
1569# define S_IXOTH (S_IXUSR>>6)
1570# else
1571# define S_IROTH 0040
1572# define S_IWOTH 0020
1573# define S_IXOTH 0010
1574# endif
c623bd54
LW		 1575#endif
1576
1577#ifndef S_ISUID
1578# define S_ISUID 04000
1579#endif
1580
1581#ifndef S_ISGID
1582# define S_ISGID 02000
1583#endif
1584
ca6e1c26
JH		 1585#ifndef S_IRWXU
1586# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1587#endif
ca6e1c26
JH		 1588
1589#ifndef S_IRWXG
1590# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1591#endif
ca6e1c26
JH		 1592
1593#ifndef S_IRWXO
1594# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1595#endif
ca6e1c26 1596
df00ff3b 1597/* BeOS 5.0 and Haiku R1 seem to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1598 * which would get included through <sys/file.h >, but that is 3000
1599 * lines in the future. --jhi */
1600
df00ff3b 1601#if !defined(S_IREAD) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1602# define S_IREAD S_IRUSR
1603#endif
1604
df00ff3b 1605#if !defined(S_IWRITE) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1606# define S_IWRITE S_IWUSR
1607#endif
1608
1609#ifndef S_IEXEC
1610# define S_IEXEC S_IXUSR
1611#endif
1612
79072805
LW		 1613#ifdef ff_next
1614# undef ff_next
352d5a3a
LW		 1615#endif
1616
a0d0e21e 1617#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1618# define SLOPPYDIVIDE
1619#endif
1620
748a9306
LW		 1621#ifdef UV
1622#undef UV
1623#endif
1624
c89df6bf
JH		 1625#ifdef SPRINTF_E_BUG
1626# define sprintf UTS_sprintf_wrap
1627#endif
1628
ce582cee
NC		 1629/* For the times when you want the return value of sprintf, and you want it
1630 to be the length. Can't have a thread variable passed in, because C89 has
1631 no varargs macros.
1632*/
1633#ifdef SPRINTF_RETURNS_STRLEN
1634# define my_sprintf sprintf
1635#else
1636# define my_sprintf Perl_my_sprintf
1637#endif
1638
5b692037
JH		 1639/*
1640 * If we have v?snprintf() and the C99 variadic macros, we can just
1641 * use just the v?snprintf(). It is nice to try to trap the buffer
1642 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1643 * gcc statement expressions, then use the function wrappers which try
1644 * to trap the overflow. If we can use the gcc statement expressions,
1645 * we can try that even with the version that uses the C99 variadic
1646 * macros.
5b692037
JH		 1647 */
1648
1208b3dd
JH		 1649/* Note that we do not check against snprintf()/vsnprintf() returning
1650 * negative values because that is non-standard behaviour and we use
1651 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1652 * that should be true only if the snprintf()/vsnprintf() are true
1653 * to the standard. */
1654
dfeee9b1 1655#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1656# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1657# 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 1658# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1659# else
1660# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1661# endif
1662#else
1663# define my_snprintf Perl_my_snprintf
1208b3dd 1664# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1665#endif
1666
dfeee9b1 1667#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1668# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1669# 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 1670# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1671# else
1672# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1673# endif
1674#else
1675# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1676# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1677#endif
d9fad198 1678
a6cc4119
SP		 1679#ifdef HAS_STRLCAT
1680# define my_strlcat strlcat
1681#else
1682# define my_strlcat Perl_my_strlcat
1683#endif
1684
1685#ifdef HAS_STRLCPY
1686# define my_strlcpy strlcpy
1687#else
1688# define my_strlcpy Perl_my_strlcpy
1689#endif
1690
c495e728
JH		 1691/* Configure gets this right but the UTS compiler gets it wrong.
1692 -- Hal Morris <hom00@utsglobal.com> */
1693#ifdef UTS
1694# undef UVTYPE
1695# define UVTYPE unsigned
1696#endif
1697
05f13f53 1698/*
27d4fb96 1699 The IV type is supposed to be long enough to hold any integral
1700 value or a pointer.
1701 --Andy Dougherty August 1996
1702*/
1703
a22e52b9
JH		 1704typedef IVTYPE IV;
1705typedef UVTYPE UV;
8175356b 1706
10cc9d2a 1707#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1708# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1709# define IV_MAX INT64_MAX
1710# define IV_MIN INT64_MIN
1711# define UV_MAX UINT64_MAX
cae7ae48
JH		 1712# ifndef UINT64_MIN
1713# define UINT64_MIN 0
1714# endif
5ff3f7a4
GS		 1715# define UV_MIN UINT64_MIN
1716# else
1717# define IV_MAX PERL_QUAD_MAX
1718# define IV_MIN PERL_QUAD_MIN
1719# define UV_MAX PERL_UQUAD_MAX
1720# define UV_MIN PERL_UQUAD_MIN
1721# endif
cf2093f6
JH		 1722# define IV_IS_QUAD
1723# define UV_IS_QUAD
79072805 1724#else
8175356b 1725# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1726# define IV_MAX INT32_MAX
1727# define IV_MIN INT32_MIN
716026f9
DL		 1728# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1729# define UV_MAX UINT32_MAX
1730# else
1731# define UV_MAX 4294967295U
1732# endif
cae7ae48
JH		 1733# ifndef UINT32_MIN
1734# define UINT32_MIN 0
1735# endif
5ff3f7a4
GS		 1736# define UV_MIN UINT32_MIN
1737# else
1738# define IV_MAX PERL_LONG_MAX
1739# define IV_MIN PERL_LONG_MIN
1740# define UV_MAX PERL_ULONG_MAX
1741# define UV_MIN PERL_ULONG_MIN
1742# endif
8175356b 1743# if IVSIZE == 8
cf2093f6
JH		 1744# define IV_IS_QUAD
1745# define UV_IS_QUAD
de1c2614
JH		 1746# ifndef HAS_QUAD
1747# define HAS_QUAD
1748# endif
cf2093f6
JH		 1749# else
1750# undef IV_IS_QUAD
1751# undef UV_IS_QUAD
de1c2614 1752# undef HAS_QUAD
cf2093f6 1753# endif
79072805 1754#endif
d7d93a81 1755
1109a392
MHM		 1756#ifndef HAS_QUAD
1757# undef PERL_NEED_MY_HTOLE64
1758# undef PERL_NEED_MY_LETOH64
1759# undef PERL_NEED_MY_HTOBE64
1760# undef PERL_NEED_MY_BETOH64
1761#endif
1762
6cde8aec 1763#if defined(uts) || defined(UTS)
11afe549
HM		 1764# undef UV_MAX
1765# define UV_MAX (4294967295u)
20601011
JH		 1766#endif
1767
cae7ae48 1768#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1769#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1770
28e5dec8 1771#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1772#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1773#endif
1774
d460ef45 1775/*
26bb67e2
JH		 1776 * The macros INT2PTR and NUM2PTR are (despite their names)
1777 * bi-directional: they will convert int/float to or from pointers.
1778 * However the conversion to int/float are named explicitly:
1779 * PTR2IV, PTR2UV, PTR2NV.
1780 *
1781 * For int conversions we do not need two casts if pointers are
1782 * the same size as IV and UV. Otherwise we need an explicit
1783 * cast (PTRV) to avoid compiler warnings.
1784 */
56431972
RB		 1785#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1786# define PTRV UV
1787# define INT2PTR(any,d) (any)(d)
1788#else
d460ef45 1789# if PTRSIZE == LONGSIZE
56431972 1790# define PTRV unsigned long
e91e3b10 1791# define PTR2ul(p) (unsigned long)(p)
42718184 1792# else
56431972 1793# define PTRV unsigned
42718184 1794# endif
e91e3b10
RB		 1795#endif
1796
1797#ifndef INT2PTR
56431972 1798# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1799#endif
e91e3b10
RB		 1800
1801#ifndef PTR2ul
1802# define PTR2ul(p) INT2PTR(unsigned long,p)
1803#endif
1804
56431972
RB		 1805#define NUM2PTR(any,d) (any)(PTRV)(d)
1806#define PTR2IV(p) INT2PTR(IV,p)
1807#define PTR2UV(p) INT2PTR(UV,p)
1808#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1809#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1810
8141890a
JH		 1811/* According to strict ANSI C89 one cannot freely cast between
1812 * data pointers and function (code) pointers. There are at least
1813 * two ways around this. One (used below) is to do two casts,
1814 * first the other pointer to an (unsigned) integer, and then
1815 * the integer to the other pointer. The other way would be
1816 * to use unions to "overlay" the pointers. For an example of
1817 * the latter technique, see union dirpu in struct xpvio in sv.h.
1818 * The only feasible use is probably temporarily storing
1819 * function pointers in a data pointer (such as a void pointer). */
1820
e91e3b10
RB		 1821#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1822#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1823
65202027 1824#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1825# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1826# define LONG_DOUBLE_EQUALS_DOUBLE
1827# endif
68d4903c 1828# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1829# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1830# endif
1831#endif
1832
2d4389e4
JH		 1833#ifdef OVR_DBL_DIG
1834/* Use an overridden DBL_DIG */
1835# ifdef DBL_DIG
1836# undef DBL_DIG
1837# endif
1838# define DBL_DIG OVR_DBL_DIG
1839#else
1840/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1841 default value for printing floating point numbers in Gconvert
1842 (see config.h). (It also has other uses, such as figuring out if
1843 a given precision of printing can be done with a double instead of
1844 a long double - Allen).
2d4389e4
JH		 1845*/
1846#ifdef I_LIMITS
1847#include <limits.h>
1848#endif
1849#ifdef I_FLOAT
1850#include <float.h>
1851#endif
1852#ifndef HAS_DBL_DIG
1853#define DBL_DIG 15 /* A guess that works lots of places */
1854#endif
1855#endif
1856
1857#ifdef OVR_LDBL_DIG
1858/* Use an overridden LDBL_DIG */
1859# ifdef LDBL_DIG
1860# undef LDBL_DIG
1861# endif
1862# define LDBL_DIG OVR_LDBL_DIG
1863#else
1864/* The following is all to get LDBL_DIG, in order to pick a nice
1865 default value for printing floating point numbers in Gconvert.
1866 (see config.h)
1867*/
68d4903c
JH		 1868# ifdef I_LIMITS
1869# include <limits.h>
1870# endif
1871# ifdef I_FLOAT
1872# include <float.h>
1873# endif
1874# ifndef HAS_LDBL_DIG
1875# if LONG_DOUBLESIZE == 10
1876# define LDBL_DIG 18 /* assume IEEE */
1877# else
1878# if LONG_DOUBLESIZE == 12
1879# define LDBL_DIG 18 /* gcc? */
1880# else
1881# if LONG_DOUBLESIZE == 16
1882# define LDBL_DIG 33 /* assume IEEE */
1883# else
1884# if LONG_DOUBLESIZE == DOUBLESIZE
1885# define LDBL_DIG DBL_DIG /* bummer */
1886# endif
1887# endif
1888# endif
1889# endif
1890# endif
2d4389e4
JH		 1891#endif
1892
20f6aaab
AS		 1893/*
1894 * This is for making sure we have a good DBL_MAX value, if possible,
1895 * either for usage as NV_MAX or for usage in figuring out if we can
1896 * fit a given long double into a double, if bug-fixing makes it
1897 * necessary to do so. - Allen <allens@cpan.org>
1898 */
1899
205f51d8
AS		 1900#ifdef I_LIMITS
1901# include <limits.h>
20f6aaab
AS		 1902#endif
1903
205f51d8
AS		 1904#ifdef I_VALUES
1905# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1906# include <values.h>
1907# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1908# define DBL_MAX MAXDOUBLE
1909# endif
1910# if defined(MINDOUBLE) && !defined(DBL_MIN)
1911# define DBL_MIN MINDOUBLE
1912# endif
1913# endif
1914#endif /* defined(I_VALUES) */
1915
a22e52b9 1916typedef NVTYPE NV;
8175356b 1917
792d8dab
JH		 1918#ifdef I_IEEEFP
1919# include <ieeefp.h>
1920#endif
923fc586 1921
65202027 1922#ifdef USE_LONG_DOUBLE
923fc586
JH		 1923# ifdef I_SUNMATH
1924# include <sunmath.h>
1925# endif
2d4389e4 1926# define NV_DIG LDBL_DIG
d6c14000
JH		 1927# ifdef LDBL_MANT_DIG
1928# define NV_MANT_DIG LDBL_MANT_DIG
1929# endif
06fc1729
JH		 1930# ifdef LDBL_MIN
1931# define NV_MIN LDBL_MIN
1932# endif
1933# ifdef LDBL_MAX
1934# define NV_MAX LDBL_MAX
1935# endif
1936# ifdef LDBL_MIN_10_EXP
1937# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1938# endif
1939# ifdef LDBL_MAX_10_EXP
1940# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1941# endif
1942# ifdef LDBL_EPSILON
1943# define NV_EPSILON LDBL_EPSILON
1944# endif
f4a14a62
JH		 1945# ifdef LDBL_MAX
1946# define NV_MAX LDBL_MAX
20f6aaab 1947/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1948# else
1949# ifdef HUGE_VALL
1950# define NV_MAX HUGE_VALL
1951# else
1952# ifdef HUGE_VAL
1953# define NV_MAX ((NV)HUGE_VAL)
1954# endif
1955# endif
1956# endif
68d4903c 1957# ifdef HAS_SQRTL
68d4903c
JH		 1958# define Perl_cos cosl
1959# define Perl_sin sinl
1960# define Perl_sqrt sqrtl
1961# define Perl_exp expl
1962# define Perl_log logl
1963# define Perl_atan2 atan2l
1964# define Perl_pow powl
1965# define Perl_floor floorl
1bbae031 1966# define Perl_ceil ceill
68d4903c
JH		 1967# define Perl_fmod fmodl
1968# endif
a3540c92
JH		 1969/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1970# ifdef HAS_MODFL
1971# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1972/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1973 prototype in <math.h> */
1974# ifndef HAS_MODFL_PROTO
a221a8a5 1975EXTERN_C long double modfl(long double, long double *);
51997bc3 1976# endif
03476e8e
JH		 1977# else
1978# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1979 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1980# define Perl_modf(x,y) Perl_my_modfl(x,y)
1981# endif
a3540c92
JH		 1982# endif
1983# ifdef HAS_FREXPL
dff3e0b8 1984# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1985# else
1986# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1987 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1988# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1989# endif
a3540c92 1990# endif
38dbb4c5 1991# ifndef Perl_isnan
758a5d79
JH		 1992# ifdef HAS_ISNANL
1993# define Perl_isnan(x) isnanl(x)
1994# endif
1995# endif
1996# ifndef Perl_isinf
1997# ifdef HAS_FINITEL
1998# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1999# endif
2000# endif
65202027 2001#else
2d4389e4 2002# define NV_DIG DBL_DIG
d6c14000
JH		 2003# ifdef DBL_MANT_DIG
2004# define NV_MANT_DIG DBL_MANT_DIG
2005# endif
06fc1729
JH		 2006# ifdef DBL_MIN
2007# define NV_MIN DBL_MIN
2008# endif
2009# ifdef DBL_MAX
2010# define NV_MAX DBL_MAX
2011# endif
2012# ifdef DBL_MIN_10_EXP
2013# define NV_MIN_10_EXP DBL_MIN_10_EXP
2014# endif
2015# ifdef DBL_MAX_10_EXP
2016# define NV_MAX_10_EXP DBL_MAX_10_EXP
2017# endif
2018# ifdef DBL_EPSILON
2019# define NV_EPSILON DBL_EPSILON
2020# endif
205f51d8 2021# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 2022# define NV_MAX DBL_MAX
2023# define NV_MIN DBL_MIN
2024# else
2025# ifdef HUGE_VAL
2026# define NV_MAX HUGE_VAL
2027# endif
2028# endif
65202027
DS		 2029# define Perl_cos cos
2030# define Perl_sin sin
2031# define Perl_sqrt sqrt
2032# define Perl_exp exp
2033# define Perl_log log
2034# define Perl_atan2 atan2
2035# define Perl_pow pow
2036# define Perl_floor floor
1bbae031 2037# define Perl_ceil ceil
65202027 2038# define Perl_fmod fmod
a3540c92 2039# define Perl_modf(x,y) modf(x,y)
dff3e0b8 2040# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 2041#endif
2042
2043/* rumor has it that Win32 has _fpclass() */
2044
205f51d8
AS		 2045/* SGI has fpclassl... but not with the same result values,
2046 * and it's via a typedef (not via #define), so will need to redo Configure
2047 * to use. Not worth the trouble, IMO, at least until the below is used
2048 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
2049 * with me for the SGI manpages, SGI testing, etcetera, if you want to
2050 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
2051
758a5d79
JH		 2052#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2053# ifdef I_IEEFP
2054# include <ieeefp.h>
2055# endif
2056# ifdef I_FP
2057# include <fp.h>
2058# endif
2059# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2060# define Perl_fp_class() fpclassl(x)
2061# else
2062# define Perl_fp_class() fpclass(x)
2063# endif
2064# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2065# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2066# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2067# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2068# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2069# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2070# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2071# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2072# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2073# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2074# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2075# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2076# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2077# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2078# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2079#endif
2080
7114a2d2 2081#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2082# include <math.h>
2083# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2084# include <fp_class.h>
2085# endif
2086# define Perl_fp_class(x) fp_class(x)
2087# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2088# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2089# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2090# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2091# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2092# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2093# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2094# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2095# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2096# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2097# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2098# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2099# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2100# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2101# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2102#endif
2103
2104#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2105# include <math.h>
2106# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2107# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2108# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2109# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2110# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2111# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2112#endif
2113
2114#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2115# include <math.h>
2116# ifndef _cplusplus
2117# define Perl_fp_class(x) class(x)
2118# else
2119# define Perl_fp_class(x) _class(x)
2120# endif
2121# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2122# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2123# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2124# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2125# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2126# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2127# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2128# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2129# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2130# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2131# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2132# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2133# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2134# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2135# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2136#endif
2137
2138/* rumor has it that Win32 has _isnan() */
2139
2140#ifndef Perl_isnan
a3540c92 2141# ifdef HAS_ISNAN
758a5d79
JH		 2142# define Perl_isnan(x) isnan((NV)x)
2143# else
2144# ifdef Perl_fp_class_nan
2145# define Perl_isnan(x) Perl_fp_class_nan(x)
2146# else
2147# ifdef HAS_UNORDERED
2148# define Perl_isnan(x) unordered((x), 0.0)
2149# else
2150# define Perl_isnan(x) ((x)!=(x))
2151# endif
2152# endif
2153# endif
2154#endif
2155
ca6c63e1
JH		 2156#ifdef UNDER_CE
2157int isnan(double d);
2158#endif
2159
758a5d79
JH		 2160#ifndef Perl_isinf
2161# ifdef HAS_ISINF
2162# define Perl_isinf(x) isinf((NV)x)
a3540c92 2163# else
758a5d79
JH		 2164# ifdef Perl_fp_class_inf
2165# define Perl_isinf(x) Perl_fp_class_inf(x)
2166# else
2167# define Perl_isinf(x) ((x)==NV_INF)
2168# endif
2169# endif
2170#endif
2171
2172#ifndef Perl_isfinite
2173# ifdef HAS_FINITE
2174# define Perl_isfinite(x) finite((NV)x)
2175# else
2176# ifdef HAS_ISFINITE
2177# define Perl_isfinite(x) isfinite(x)
2178# else
2179# ifdef Perl_fp_class_finite
2180# define Perl_isfinite(x) Perl_fp_class_finite(x)
2181# else
2182# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2183# endif
2184# endif
a3540c92 2185# endif
65202027
DS		 2186#endif
2187
a36244b7
JH		 2188/* The default is to use Perl's own atof() implementation (in numeric.c).
2189 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2190 * it is however best to use the native implementation of atof.
2191 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2192 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2193 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2194 * you may need to be using a different function than atof! */
a36244b7
JH		 2195
2196#ifndef USE_PERL_ATOF
2197# ifndef _UNICOS
2198# define USE_PERL_ATOF
2199# endif
2200#else
2201# if USE_PERL_ATOF == 0
2202# undef USE_PERL_ATOF
2203# endif
2204#endif
2205
2206#ifdef USE_PERL_ATOF
2207# define Perl_atof(s) Perl_my_atof(s)
2208# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2209#else
2210# define Perl_atof(s) (NV)atof(s)
2211# define Perl_atof2(s, n) ((n) = atof(s))
2212#endif
cf2093f6 2213
d460ef45 2214/* Previously these definitions used hardcoded figures.
760ac839
LW		 2215 * It is hoped these formula are more portable, although
2216 * no data one way or another is presently known to me.
2217 * The "PERL_" names are used because these calculated constants
2218 * do not meet the ANSI requirements for LONG_MAX, etc., which
2219 * need to be constants acceptable to #if - kja
2220 * define PERL_LONG_MAX 2147483647L
2221 * define PERL_LONG_MIN (-LONG_MAX - 1)
2222 * define PERL ULONG_MAX 4294967295L
2223 */
2224
2225#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2226# include <limits.h>
760ac839 2227#endif
205f51d8 2228/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2229 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2230
99abf803 2231/*
2232 * Try to figure out max and min values for the integral types. THE CORRECT
2233 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2234 * following hacks are used if neither limits.h or values.h provide them:
2235 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2236 * for types < int: (unsigned TYPE)~(unsigned)0
2237 * The argument to ~ must be unsigned so that later signed->unsigned
2238 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2239 * and it must not be smaller than int because ~ does integral promotion.
2240 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2241 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2242 * The latter is a hack which happens to work on some machines but
2243 * does *not* catch any random system, or things like integer types
2244 * with NaN if that is possible.
2245 *
2246 * All of the types are explicitly cast to prevent accidental loss of
2247 * numeric range, and in the hope that they will be less likely to confuse
2248 * over-eager optimizers.
2249 *
2250 */
27d4fb96 2251
99abf803 2252#define PERL_UCHAR_MIN ((unsigned char)0)
2253
2254#ifdef UCHAR_MAX
2255# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2256#else
99abf803 2257# ifdef MAXUCHAR
2258# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2259# else
99abf803 2260# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2261# endif
2262#endif
d460ef45 2263
99abf803 2264/*
2265 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2266 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2267 * depending on local options. Until Configure detects this (or at least
2268 * detects whether the "signed" keyword is available) the CHAR ranges
2269 * will not be included. UCHAR functions normally.
2270 * - kja
2271 */
27d4fb96 2272
99abf803 2273#define PERL_USHORT_MIN ((unsigned short)0)
2274
2275#ifdef USHORT_MAX
2276# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2277#else
99abf803 2278# ifdef MAXUSHORT
2279# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2280# else
ef2f54b0
CB		 2281# ifdef USHRT_MAX
2282# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2283# else
2284# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2285# endif
27d4fb96 2286# endif
2287#endif
2288
27d4fb96 2289#ifdef SHORT_MAX
99abf803 2290# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2291#else
2292# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2293# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2294# else
ef2f54b0
CB		 2295# ifdef SHRT_MAX
2296# define PERL_SHORT_MAX ((short)SHRT_MAX)
2297# else
2298# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2299# endif
27d4fb96 2300# endif
2301#endif
2302
2303#ifdef SHORT_MIN
99abf803 2304# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2305#else
2306# ifdef MINSHORT
99abf803 2307# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2308# else
ef2f54b0
CB		 2309# ifdef SHRT_MIN
2310# define PERL_SHORT_MIN ((short)SHRT_MIN)
2311# else
2312# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2313# endif
27d4fb96 2314# endif
2315#endif
2316
99abf803 2317#ifdef UINT_MAX
2318# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2319#else
99abf803 2320# ifdef MAXUINT
2321# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2322# else
99abf803 2323# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2324# endif
2325#endif
2326
99abf803 2327#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2328
2329#ifdef INT_MAX
99abf803 2330# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2331#else
2332# ifdef MAXINT /* Often used in <values.h> */
99abf803 2333# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2334# else
99abf803 2335# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2336# endif
2337#endif
2338
2339#ifdef INT_MIN
99abf803 2340# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2341#else
2342# ifdef MININT
99abf803 2343# define PERL_INT_MIN ((int)MININT)
27d4fb96 2344# else
2345# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2346# endif
2347#endif
2348
99abf803 2349#ifdef ULONG_MAX
2350# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2351#else
99abf803 2352# ifdef MAXULONG
2353# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2354# else
99abf803 2355# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2356# endif
2357#endif
2358
99abf803 2359#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2360
760ac839 2361#ifdef LONG_MAX
99abf803 2362# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2363#else
2364# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2365# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2366# else
99abf803 2367# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2368# endif
2369#endif
2370
2371#ifdef LONG_MIN
99abf803 2372# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2373#else
2374# ifdef MINLONG
99abf803 2375# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2376# else
27d4fb96 2377# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2378# endif
2379#endif
2380
d7d93a81 2381#ifdef UV_IS_QUAD
99abf803 2382
99abf803 2383# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2384# define PERL_UQUAD_MIN ((UV)0)
99abf803 2385# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2386# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2387
79072805
LW		 2388#endif
2389
830247a4 2390struct RExC_state_t;
8e11feef 2391struct _reg_trie_data;
880b20b6 2392
ee0007ab 2393typedef MEM_SIZE STRLEN;
450a55e4 2394
598921a7
NC		 2395#ifdef PERL_MAD
2396typedef struct token TOKEN;
2397typedef struct madprop MADPROP;
2398typedef struct nexttoken NEXTTOKE;
2399#endif
79072805
LW		 2400typedef struct op OP;
2401typedef struct cop COP;
2402typedef struct unop UNOP;
2403typedef struct binop BINOP;
2404typedef struct listop LISTOP;
2405typedef struct logop LOGOP;
79072805
LW		 2406typedef struct pmop PMOP;
2407typedef struct svop SVOP;
7934575e 2408typedef struct padop PADOP;
79072805 2409typedef struct pvop PVOP;
79072805
LW		 2410typedef struct loop LOOP;
2411
7aef8e5b 2412#ifdef PERL_CORE
8be227ab
FC		 2413typedef struct opslab OPSLAB;
2414typedef struct opslot OPSLOT;
2415#endif
2416
52db365a 2417typedef struct block_hooks BHK;
1830b3d9 2418typedef struct custom_op XOP;
52db365a 2419
cd1541b2
NC		 2420typedef struct interpreter PerlInterpreter;
2421
d2b3f365
SS		 2422/* Amdahl's <ksync.h> has struct sv */
2423/* SGI's <sys/sema.h> has struct sv */
2424#if defined(UTS) || defined(__sgi)
2425# define STRUCT_SV perl_sv
b8d3c5db
JH		 2426#else
2427# define STRUCT_SV sv
2428#endif
2429typedef struct STRUCT_SV SV;
79072805
LW		 2430typedef struct av AV;
2431typedef struct hv HV;
2432typedef struct cv CV;
d2f13c59 2433typedef struct p5rx REGEXP;
79072805 2434typedef struct gp GP;
0c30d9ec 2435typedef struct gv GV;
8990e307 2436typedef struct io IO;
c09156bb 2437typedef struct context PERL_CONTEXT;
79072805
LW		 2438typedef struct block BLOCK;
2439
2440typedef struct magic MAGIC;
2441typedef struct xpv XPV;
2442typedef struct xpviv XPVIV;
ff68c719 2443typedef struct xpvuv XPVUV;
79072805
LW		 2444typedef struct xpvnv XPVNV;
2445typedef struct xpvmg XPVMG;
2446typedef struct xpvlv XPVLV;
2447typedef struct xpvav XPVAV;
2448typedef struct xpvhv XPVHV;
2449typedef struct xpvgv XPVGV;
2450typedef struct xpvcv XPVCV;
2451typedef struct xpvbm XPVBM;
2452typedef struct xpvfm XPVFM;
8990e307 2453typedef struct xpvio XPVIO;
79072805
LW		 2454typedef struct mgvtbl MGVTBL;
2455typedef union any ANY;
5f7fde29
GS		 2456typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2457typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2458typedef struct clone_params CLONE_PARAMS;
2459
378cc40b 2460#include "handy.h"
a0d0e21e 2461
6b8eaf93 2462#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2463# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2464# define USE_64_BIT_RAWIO /* implicit */
2465# endif
4564133c
JH		 2466#endif
2467
6b8eaf93
JH		 2468/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2469 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2470 * however, because operating systems like to do that themself. */
2471#ifndef FSEEKSIZE
2472# ifdef HAS_FSEEKO
2473# define FSEEKSIZE LSEEKSIZE
2474# else
2475# define FSEEKSIZE LONGSIZE
d460ef45 2476# endif
6b8eaf93
JH		 2477#endif
2478
2479#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2480# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2481# define USE_64_BIT_STDIO /* implicit */
2482# endif
2483#endif
4564133c 2484
09458382 2485#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2486# ifdef HAS_OFF64_T
2487# undef Off_t
2488# define Off_t off64_t
2489# undef LSEEKSIZE
2490# define LSEEKSIZE 8
5ff3f7a4 2491# endif
d9b3e12d
JH		 2492/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2493 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2494 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2495# if defined(USE_OPEN64)
2496# define open open64
5ff3f7a4 2497# endif
d9b3e12d
JH		 2498# if defined(USE_LSEEK64)
2499# define lseek lseek64
6b8eaf93
JH		 2500# else
2501# if defined(USE_LLSEEK)
2502# define lseek llseek
2503# endif
d9b3e12d
JH		 2504# endif
2505# if defined(USE_STAT64)
2506# define stat stat64
2507# endif
2508# if defined(USE_FSTAT64)
2509# define fstat fstat64
2510# endif
2511# if defined(USE_LSTAT64)
2512# define lstat lstat64
2513# endif
2514# if defined(USE_FLOCK64)
2515# define flock flock64
2516# endif
2517# if defined(USE_LOCKF64)
2518# define lockf lockf64
2519# endif
2520# if defined(USE_FCNTL64)
2521# define fcntl fcntl64
2522# endif
2523# if defined(USE_TRUNCATE64)
2524# define truncate truncate64
2525# endif
2526# if defined(USE_FTRUNCATE64)
2527# define ftruncate ftruncate64
2528# endif
2529#endif
2530
2531#ifdef USE_64_BIT_STDIO
2532# ifdef HAS_FPOS64_T
2533# undef Fpos_t
2534# define Fpos_t fpos64_t
2535# endif
2536/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2537 * will trigger defines like the ones below. Some 64-bit environments,
2538 * however, do not. */
2539# if defined(USE_FOPEN64)
2540# define fopen fopen64
2541# endif
2542# if defined(USE_FSEEK64)
6b8eaf93 2543# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2544# endif
2545# if defined(USE_FTELL64)
6b8eaf93 2546# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2547# endif
2548# if defined(USE_FSETPOS64)
2549# define fsetpos fsetpos64
2550# endif
2551# if defined(USE_FGETPOS64)
2552# define fgetpos fgetpos64
2553# endif
2554# if defined(USE_TMPFILE64)
2555# define tmpfile tmpfile64
2556# endif
2557# if defined(USE_FREOPEN64)
2558# define freopen freopen64
5ff3f7a4
GS		 2559# endif
2560#endif
2561
e37778c2 2562#if defined(OS2)
2c2d71f5
JH		 2563# include "iperlsys.h"
2564#endif
2565
6f71a643 2566#if defined(__OPEN_VM)
19848b3f
JH		 2567# include "vmesa/vmesaish.h"
2568# define ISHISH "vmesa"
6f71a643
JH		 2569#endif
2570
748a9306 2571#ifdef DOSISH
19848b3f
JH		 2572# if defined(OS2)
2573# include "os2ish.h"
2574# else
2575# include "dosish.h"
2576# endif
2577# define ISHISH "dos"
2578#endif
2579
2580#if defined(VMS)
748a9306 2581# include "vmsish.h"
19848b3f
JH		 2582# define ISHISH "vms"
2583#endif
2584
2585#if defined(PLAN9)
2586# include "./plan9/plan9ish.h"
2587# define ISHISH "plan9"
2588#endif
2589
2590#if defined(MPE)
2591# include "mpeix/mpeixish.h"
2592# define ISHISH "mpeix"
2593#endif
2594
2595#if defined(__VOS__)
196918b0
PG		 2596# ifdef __GNUC__
2597# include "./vos/vosish.h"
2598# else
2599# include "vos/vosish.h"
2600# endif
19848b3f
JH		 2601# define ISHISH "vos"
2602#endif
2603
2604#if defined(EPOC)
2605# include "epocish.h"
2606# define ISHISH "epoc"
2607#endif
2608
9969cdde 2609#ifdef __SYMBIAN32__
27da23d5 2610# include "symbian/symbianish.h"
27da23d5
JH		 2611# define ISHISH "symbian"
2612#endif
2613
19848b3f 2614
df00ff3b
IW		 2615#if defined(__HAIKU__)
2616# include "haiku/haikuish.h"
2617# define ISHISH "haiku"
2618#elif defined(__BEOS__)
efca5cc6
JH		 2619# include "beos/beosish.h"
2620# define ISHISH "beos"
2621#endif
2622
19848b3f
JH		 2623#ifndef ISHISH
2624# include "unixish.h"
2625# define ISHISH "unix"
13b6e58c
JH		 2626#endif
2627
2946a158
JH		 2628/* NSIG logic from Configure --> */
2629/* Strange style to avoid deeply-nested #if/#else/#endif */
2630#ifndef NSIG
2631# ifdef _NSIG
2632# define NSIG (_NSIG)
2633# endif
2634#endif
2635
2636#ifndef NSIG
2637# ifdef SIGMAX
2638# define NSIG (SIGMAX+1)
2639# endif
2640#endif
2641
2642#ifndef NSIG
2643# ifdef SIG_MAX
2644# define NSIG (SIG_MAX+1)
2645# endif
2646#endif
2647
2648#ifndef NSIG
2649# ifdef _SIG_MAX
2650# define NSIG (_SIG_MAX+1)
2651# endif
2652#endif
2653
2654#ifndef NSIG
2655# ifdef MAXSIG
2656# define NSIG (MAXSIG+1)
2657# endif
2658#endif
2659
2660#ifndef NSIG
2661# ifdef MAX_SIG
2662# define NSIG (MAX_SIG+1)
2663# endif
2664#endif
2665
2666#ifndef NSIG
2667# ifdef SIGARRAYSIZE
2668# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2669# endif
2670#endif
2671
2672#ifndef NSIG
2673# ifdef _sys_nsig
2674# define NSIG (_sys_nsig) /* Solaris 2.5 */
2675# endif
2676#endif
2677
2678/* Default to some arbitrary number that's big enough to get most
2679 of the common signals.
2680*/
2681#ifndef NSIG
2682# define NSIG 50
2683#endif
2684/* <-- NSIG logic from Configure */
2685
13b6e58c
JH		 2686#ifndef NO_ENVIRON_ARRAY
2687# define USE_ENVIRON_ARRAY
2688#endif
32f822de 2689
c77b533b
JH		 2690/*
2691 * initialise to avoid floating-point exceptions from overflow, etc
2692 */
2693#ifndef PERL_FPU_INIT
2694# ifdef HAS_FPSETMASK
2695# if HAS_FLOATINGPOINT_H
2696# include <floatingpoint.h>
2697# endif
ad3a8c67
NC		 2698/* Some operating systems have this as a macro, which in turn expands to a comma
2699 expression, and the last sub-expression is something that gets calculated,
2700 and then they have the gall to warn that a value computed is not used. Hence
2701 cast to void. */
2702# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2703# else
2f42fcb0 2704# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2705# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2706# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2707# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2708# else
2709# define PERL_FPU_INIT
2f42fcb0 2710
7014c407 2711# endif
c77b533b
JH		 2712# endif
2713#endif
b35112e7
CS		 2714#ifndef PERL_FPU_PRE_EXEC
2715# define PERL_FPU_PRE_EXEC {
2716# define PERL_FPU_POST_EXEC }
2717#endif
c77b533b 2718
cbec8ebe
DM		 2719#ifndef PERL_SYS_INIT3_BODY
2720# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2721#endif
2722
eb533572
DM		 2723/*
2724=for apidoc Am|void|PERL_SYS_INIT|int argc|char** argv
2725Provides system-specific tune up of the C runtime environment necessary to
2726run Perl interpreters. This should be called only once, before creating
2727any Perl interpreters.
2728
2729=for apidoc Am|void|PERL_SYS_INIT3|int argc|char** argv|char** env
2730Provides system-specific tune up of the C runtime environment necessary to
2731run Perl interpreters. This should be called only once, before creating
2732any Perl interpreters.
2733
2734=for apidoc Am|void|PERL_SYS_TERM|
2735Provides system-specific clean up of the C runtime environment after
2736running Perl interpreters. This should be called only once, after
2737freeing any remaining Perl interpreters.
2738
2739=cut
2740 */
2741
cbec8ebe
DM		 2742#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2743#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2744#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2745
be708cc0
JH		 2746#ifndef PERL_WRITE_MSG_TO_CONSOLE
2747# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2748#endif
2749
0f31cffe
GS		 2750#ifndef MAXPATHLEN
2751# ifdef PATH_MAX
b990c8b2
JH		 2752# ifdef _POSIX_PATH_MAX
2753# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2754/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2755 * included the null byte or not. Later amendments of POSIX,
2756 * XPG4, the Austin Group, and the Single UNIX Specification
2757 * all explicitly include the null byte in the PATH_MAX.
2758 * Ditto for _POSIX_PATH_MAX. */
2759# define MAXPATHLEN PATH_MAX
b990c8b2 2760# else
09448d78 2761# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2762# endif
2763# else
2764# define MAXPATHLEN (PATH_MAX+1)
2765# endif
0f31cffe 2766# else
d552bce8 2767# define MAXPATHLEN 1024 /* Err on the large side. */
0f31cffe
GS		 2768# endif
2769#endif
2770
c80263a8
SH		 2771/* In case Configure was not used (we are using a "canned config"
2772 * such as Win32, or a cross-compilation setup, for example) try going
2773 * by the gcc major and minor versions. One useful URL is
2774 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2775 * but contrary to this information warn_unused_result seems
2776 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2777 * Also, when building extensions with an installed perl, this allows
2778 * the user to upgrade gcc and get the right attributes, rather than
2779 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2780 * Set these up now otherwise we get confused when some of the <*thread.h>
2781 * includes below indirectly pull in <perlio.h> (which needs to know if we
2782 * have HASATTRIBUTE_FORMAT).
2783 */
2784
4d7c7898 2785#ifndef PERL_MICRO
fc2007d4 2786#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2787# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2788# define HASATTRIBUTE_DEPRECATED
2789# endif
c80263a8
SH		 2790# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2791# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2792# if defined __MINGW32__
2793# define PRINTF_FORMAT_NULL_OK
2794# endif
c80263a8
SH		 2795# endif
2796# if __GNUC__ >= 3 /* 3.0 -> */
2797# define HASATTRIBUTE_MALLOC
2798# endif
2799# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2800# define HASATTRIBUTE_NONNULL
2801# endif
2802# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2803# define HASATTRIBUTE_NORETURN
2804# endif
2805# if __GNUC__ >= 3 /* gcc 3.0 -> */
2806# define HASATTRIBUTE_PURE
2807# endif
42bf5550 2808# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2809# define HASATTRIBUTE_UNUSED
2810# endif
d324fe49
AD		 2811# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2812# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2813# endif
c80263a8
SH		 2814# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2815# define HASATTRIBUTE_WARN_UNUSED_RESULT
2816# endif
2817#endif
00f254e2 2818#endif /* #ifndef PERL_MICRO */
c80263a8 2819
3db8f154 2820/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2821 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2822 * this results in many functions being undeclared which bothers C++
2823 * May make sense to have threads after "*ish.h" anyway
2824 */
2825
3db8f154 2826#if defined(USE_ITHREADS)
2986a63f
JH		 2827# ifdef NETWARE
2828# include <nw5thread.h>
2829# else
32f822de
GS		 2830# ifdef FAKE_THREADS
2831# include "fakethr.h"
2832# else
2833# ifdef WIN32
2834# include <win32thread.h>
2835# else
dd96f567
IZ		 2836# ifdef OS2
2837# include "os2thread.h"
2838# else
7f3d1cf1 2839# ifdef I_MACH_CTHREADS
bdd66968 2840# include <mach/cthreads.h>
8f1f23e8 2841# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2842# define MUTEX_INIT_CALLS_MALLOC
2843# endif
7f3d1cf1
BH		 2844typedef cthread_t perl_os_thread;
2845typedef mutex_t perl_mutex;
2846typedef condition_t perl_cond;
2847typedef void * perl_key;
2848# else /* Posix threads */
1f5ae88c
JH		 2849# ifdef I_PTHREAD
2850# include <pthread.h>
2851# endif
7f3d1cf1
BH		 2852typedef pthread_t perl_os_thread;
2853typedef pthread_mutex_t perl_mutex;
2854typedef pthread_cond_t perl_cond;
2855typedef pthread_key_t perl_key;
2856# endif /* I_MACH_CTHREADS */
dd96f567 2857# endif /* OS2 */
32f822de
GS		 2858# endif /* WIN32 */
2859# endif /* FAKE_THREADS */
2986a63f 2860#endif /* NETWARE */
3db8f154 2861#endif /* USE_ITHREADS */
c5be433b 2862
66a93824 2863#if defined(WIN32)
1feb2720 2864# include "win32.h"
c5be433b
GS		 2865#endif
2866
2986a63f
JH		 2867#ifdef NETWARE
2868# include "netware.h"
2869#endif
2870
e5218da5 2871#define STATUS_UNIX PL_statusvalue
68dc0745 2872#ifdef VMS
6b88bc9c 2873# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2874/*
2875 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2876 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2877 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2878 * be updated also.
2879 */
2880# include <stsdef.h>
2881# include <ssdef.h>
2882/* Presume this because if VMS changes it, it will require a new
2883 * set of APIs for waiting on children for binary compatibility.
2884 */
2885# define child_offset_bits (8)
2886# ifndef C_FAC_POSIX
2887# define C_FAC_POSIX 0x35A000
2888# endif
2889
2890/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2891 * platform from the existing UNIX or Native status values.
2892 */
2893
37038d91 2894# define STATUS_EXIT \
7a7fd8e0
JM		 2895 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2896 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2897
7a7fd8e0 2898
fb38d079
JM		 2899/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2900 * exit code and shifts the UNIX value over the correct number of bits to
2901 * be a child status. Usually the number of bits is 8, but that could be
2902 * platform dependent. The NATIVE status code is presumed to have either
2903 * from a child process.
7a7fd8e0
JM		 2904 */
2905
fb38d079
JM		 2906/* This is complicated. The child processes return a true native VMS
2907 status which must be saved. But there is an assumption in Perl that
2908 the UNIX child status has some relationship to errno values, so
00f254e2 2909 Perl tries to translate it to text in some of the tests.
fb38d079
JM		 2910 In order to get the string translation correct, for the error, errno
2911 must be EVMSERR, but that generates a different text message
2912 than what the test programs are expecting. So an errno value must
2913 be derived from the native status value when an error occurs.
2914 That will hide the true native status message. With this version of
2915 perl, the true native child status can always be retrieved so that
2916 is not a problem. But in this case, Pl_statusvalue and errno may
2917 have different values in them.
2918 */
7a7fd8e0 2919
fb38d079 2920# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2921 STMT_START { \
2fbb330f
JM		 2922 I32 evalue = (I32)n; \
2923 if (evalue == EVMSERR) { \
2924 PL_statusvalue_vms = vaxc$errno; \
2925 PL_statusvalue = evalue; \
7a7fd8e0 2926 } else { \
2fbb330f 2927 PL_statusvalue_vms = evalue; \
fb38d079 2928 if (evalue == -1) { \
3280af22 2929 PL_statusvalue = -1; \
7a7fd8e0
JM		 2930 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2931 } else \
fb38d079 2932 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2933 set_vaxc_errno(evalue); \
fb38d079
JM		 2934 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2935 set_errno(EVMSERR); \
2936 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2937 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2938 } \
68dc0745 2939 } STMT_END
7a7fd8e0 2940
68dc0745 2941# ifdef VMSISH_STATUS
e5218da5 2942# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2943# else
e5218da5 2944# define STATUS_CURRENT STATUS_UNIX
68dc0745 2945# endif
7a7fd8e0
JM		 2946
2947 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2948 * the NATIVE status to an equivalent value. Can not be used to translate
2949 * exit code values as exit code values are not guaranteed to have any
2950 * relationship at all to errno values.
2951 * This is used when Perl is forcing errno to have a specific value.
2952 */
e5218da5 2953# define STATUS_UNIX_SET(n) \
68dc0745 2954 STMT_START { \
7a7fd8e0 2955 I32 evalue = (I32)n; \
0968cdad 2956 PL_statusvalue = evalue; \
3280af22 2957 if (PL_statusvalue != -1) { \
0968cdad
JM		 2958 if (PL_statusvalue != EVMSERR) { \
2959 PL_statusvalue &= 0xFFFF; \
2960 if (MY_POSIX_EXIT) \
2961 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2962 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2963 } \
2964 else { \
2965 PL_statusvalue_vms = vaxc$errno; \
2966 } \
68dc0745 2967 } \
0968cdad
JM		 2968 else PL_statusvalue_vms = SS$_ABORT; \
2969 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2970 } STMT_END
2971
2972 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 2973 * the NATIVE error status based on it.
2974 *
2975 * When in the default mode to comply with the Perl VMS documentation,
2976 * 0 is a success and any other code sets the NATIVE status to a failure
2977 * code of SS$_ABORT.
fb38d079
JM		 2978 *
2979 * In the new POSIX EXIT mode, native status will be set so that the
2980 * actual exit code will can be retrieved by the calling program or
2981 * shell.
2982 *
2983 * If the exit code is not clearly a UNIX parent or child exit status,
2984 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2985 */
2986
fb38d079 2987# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2988 STMT_START { \
2989 I32 evalue = (I32)n; \
2990 PL_statusvalue = evalue; \
e08e1e1d
JM		 2991 if (MY_POSIX_EXIT) { \
2992 if (evalue <= 0xFF00) { \
2993 if (evalue > 0xFF) \
2994 evalue = (evalue >> child_offset_bits) & 0xFF; \
2995 PL_statusvalue_vms = \
2996 (C_FAC_POSIX | (evalue << 3 ) | \
2997 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
2998 } else /* forgive them Perl, for they have sinned */ \
2999 PL_statusvalue_vms = evalue; \
3000 } else { \
3001 if (evalue == 0) \
3002 PL_statusvalue_vms = SS$_NORMAL; \
3003 else if (evalue <= 0xFF00) \
3004 PL_statusvalue_vms = SS$_ABORT; \
3005 else { /* forgive them Perl, for they have sinned */ \
3006 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3007 else PL_statusvalue_vms = vaxc$errno; \
3008 /* And obviously used a VMS status value instead of UNIX */ \
3009 PL_statusvalue = EVMSERR; \
3010 } \
3011 set_vaxc_errno(PL_statusvalue_vms); \
3012 } \
68dc0745 3013 } STMT_END
fb38d079 3014
e08e1e1d 3015
6ac6a52b
JM		 3016 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3017 * and sets the NATIVE error status based on it. This special case
3018 * is needed to maintain compatibility with past VMS behavior.
3019 *
3020 * In the default mode on VMS, this number is passed through as
3021 * both the NATIVE and UNIX status. Which makes it different
3022 * that the STATUS_UNIX_EXIT_SET.
3023 *
3024 * In the new POSIX EXIT mode, native status will be set so that the
3025 * actual exit code will can be retrieved by the calling program or
3026 * shell.
3027 *
1a3aec58
JM		 3028 * A POSIX exit code is from 0 to 255. If the exit code is higher
3029 * than this, it needs to be assumed that it is a VMS exit code and
3030 * passed through.
6ac6a52b
JM		 3031 */
3032
3033# define STATUS_EXIT_SET(n) \
3034 STMT_START { \
3035 I32 evalue = (I32)n; \
3036 PL_statusvalue = evalue; \
3037 if (MY_POSIX_EXIT) \
1a3aec58
JM		 3038 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3039 PL_statusvalue_vms = \
3040 (C_FAC_POSIX | (evalue << 3 ) | \
3041 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 3042 else \
3043 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3044 set_vaxc_errno(PL_statusvalue_vms); \
3045 } STMT_END
3046
fb38d079
JM		 3047
3048 /* This macro forces a success status */
7a7fd8e0
JM		 3049# define STATUS_ALL_SUCCESS \
3050 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 3051
3052 /* This macro forces a failure status */
7a7fd8e0
JM		 3053# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3054 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3055 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3056
68dc0745 3057#else
e5218da5 3058# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3059# if defined(WCOREDUMP)
37038d91 3060# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3061 STMT_START { \
3062 PL_statusvalue_posix = (n); \
3063 if (PL_statusvalue_posix == -1) \
3064 PL_statusvalue = -1; \
3065 else { \
3066 PL_statusvalue = \
3067 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3068 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3069 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3070 } \
3071 } STMT_END
3072# elif defined(WIFEXITED)
37038d91 3073# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3074 STMT_START { \
3075 PL_statusvalue_posix = (n); \
3076 if (PL_statusvalue_posix == -1) \
3077 PL_statusvalue = -1; \
3078 else { \
3079 PL_statusvalue = \
3080 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3081 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3082 } \
3083 } STMT_END
3084# else
37038d91 3085# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3086 STMT_START { \
3087 PL_statusvalue_posix = (n); \
3088 if (PL_statusvalue_posix == -1) \
3089 PL_statusvalue = -1; \
3090 else { \
3091 PL_statusvalue = \
3092 PL_statusvalue_posix & 0xFFFF; \
3093 } \
3094 } STMT_END
3095# endif
3096# define STATUS_UNIX_SET(n) \
68dc0745 3097 STMT_START { \
3280af22
NIS		 3098 PL_statusvalue = (n); \
3099 if (PL_statusvalue != -1) \
3100 PL_statusvalue &= 0xFFFF; \
68dc0745 3101 } STMT_END
7a7fd8e0 3102# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3103# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3104# define STATUS_CURRENT STATUS_UNIX
37038d91 3105# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3106# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3107# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3108#endif
3109
cc3604b1
GS		 3110/* flags in PL_exit_flags for nature of exit() */
3111#define PERL_EXIT_EXPECTED 0x01
31d77e54 3112#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3113
b79b76e0 3114#ifndef PERL_CORE
a7cb1f99 3115/* format to use for version numbers in file/directory names */
273cf8d1 3116/* XXX move to Configure? */
b79b76e0
NC		 3117/* This was only ever used for the current version, and that can be done at
3118 compile time, as PERL_FS_VERSION, so should we just delete it? */
3119# ifndef PERL_FS_VER_FMT
3120# define PERL_FS_VER_FMT "%d.%d.%d"
3121# endif
3122#endif
3123
3124#ifndef PERL_FS_VERSION
3125# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS		 3126#endif
3127
45bc9206 3128/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3129 * performance issue, so we allow people to disable it. Also, if
3130 * we are using stdio, there are broken implementations of fflush(NULL)
3131 * out there, Solaris being the most prominent.
45bc9206
GS		 3132 */
3133#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3134# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3135# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3136# else
3137# ifdef FFLUSH_ALL
3138# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3139# else
c5be433b 3140# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3141# endif
66fe083f 3142# endif
45bc9206
GS		 3143#endif
3144
7766f137
GS		 3145#ifndef PERL_WAIT_FOR_CHILDREN
3146# define PERL_WAIT_FOR_CHILDREN NOOP
3147#endif
3148
ba869deb 3149/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3150#ifndef PERL_SET_INTERP
3151# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3152#endif
3153
3154#ifndef PERL_GET_INTERP
3155# define PERL_GET_INTERP (PL_curinterp)
3156#endif
3157
54aff467 3158#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3159# ifdef MULTIPLICITY
ba869deb 3160# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3161# endif
ba869deb
GS		 3162# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3163#endif
3164
00f254e2 3165/*
8896765a 3166 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3167 All that is required is that the perl source does not
00f254e2
KW		 3168 use "%-p" or "%-<number>p" or "%<number>p" formats.
3169 These formats will still work in perl code.
486ec47a 3170 See comments in sv.c for further details.
8896765a 3171
8896765a 3172 Robin Barker 2005-07-14
f46d31f2 3173
00f254e2 3174 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3175*/
8896765a
RB		 3176
3177#ifndef SVf_
63ce7bf0 3178# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3179#endif
3180
8896765a 3181#ifndef SVf
104abab4 3182# define SVf "-p"
d2560b70
RB		 3183#endif
3184
014ead4b 3185#ifndef SVf32
8896765a 3186# define SVf32 SVf_(32)
014ead4b
RB		 3187#endif
3188
3189#ifndef SVf256
8896765a
RB		 3190# define SVf256 SVf_(256)
3191#endif
3192
be2597df
MHM		 3193#define SVfARG(p) ((void*)(p))
3194
20023040
FC		 3195#ifndef HEKf
3196# define HEKf "2p"
3197#endif
3198
b8fa5213
FC		 3199/* Not ideal, but we cannot easily include a number in an already-numeric
3200 * format sequence. */
3201#ifndef HEKf256
3202# define HEKf256 "3p"
3203#endif
3204
20023040
FC		 3205#define HEKfARG(p) ((void*)(p))
3206
f46d31f2 3207#ifdef PERL_CORE
486ec47a 3208/* not used; but needed for backward compatibility with XS code? - RMB */
f46d31f2
RB		 3209# undef VDf
3210#else
3211# ifndef VDf
8896765a
RB		 3212# define VDf "vd"
3213# endif
014ead4b 3214#endif
170cd9e9
NC		 3215
3216#ifdef PERL_CORE
486ec47a 3217/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB		 3218# undef UVf
3219#else
170cd9e9
NC		 3220# ifndef UVf
3221# define UVf UVuf
3222# endif
d2560b70
RB		 3223#endif
3224
fcdf39cf
RGS		 3225#ifdef HASATTRIBUTE_DEPRECATED
3226# define __attribute__deprecated__ __attribute__((deprecated))
3227#endif
0dbb1585
AL		 3228#ifdef HASATTRIBUTE_FORMAT
3229# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3230#endif
3231#ifdef HASATTRIBUTE_MALLOC
77785eea 3232# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3233#endif
0dbb1585 3234#ifdef HASATTRIBUTE_NONNULL
abb2c242 3235# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3236#endif
0dbb1585 3237#ifdef HASATTRIBUTE_NORETURN
abb2c242 3238# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3239#endif
0dbb1585 3240#ifdef HASATTRIBUTE_PURE
abb2c242 3241# define __attribute__pure__ __attribute__((pure))
f22be1b8 3242#endif
0dbb1585
AL		 3243#ifdef HASATTRIBUTE_UNUSED
3244# define __attribute__unused__ __attribute__((unused))
3245#endif
3246#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3247# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3248#endif
3249
0dbb1585 3250/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3251#ifndef __attribute__deprecated__
3252# define __attribute__deprecated__
3253#endif
0dbb1585
AL		 3254#ifndef __attribute__format__
3255# define __attribute__format__(x,y,z)
3256#endif
f22be1b8 3257#ifndef __attribute__malloc__
abb2c242 3258# define __attribute__malloc__
f22be1b8
JH		 3259#endif
3260#ifndef __attribute__nonnull__
abb2c242 3261# define __attribute__nonnull__(a)
f22be1b8
JH		 3262#endif
3263#ifndef __attribute__noreturn__
abb2c242 3264# define __attribute__noreturn__
f22be1b8
JH		 3265#endif
3266#ifndef __attribute__pure__
abb2c242 3267# define __attribute__pure__
f22be1b8 3268#endif
0dbb1585
AL		 3269#ifndef __attribute__unused__
3270# define __attribute__unused__
3271#endif
f22be1b8 3272#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3273# define __attribute__warn_unused_result__
3274#endif
3275
0dbb1585
AL		 3276/* For functions that are marked as __attribute__noreturn__, it's not
3277 appropriate to call return. In either case, include the lint directive.
3278 */
3279#ifdef HASATTRIBUTE_NORETURN
118e2215 3280# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */
0dbb1585 3281#else
118e2215 3282# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */ return 0
abb2c242
JH		 3283#endif
3284
cdfeb707
RB		 3285/* Some OS warn on NULL format to printf */
3286#ifdef PRINTF_FORMAT_NULL_OK
3287# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3288#else
00f254e2 3289# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB		 3290#endif
3291
635aebb7 3292#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3293# define EXPECT(expr,val) __builtin_expect(expr,val)
3294#else
3295# define EXPECT(expr,val) (expr)
3296#endif
3297#define LIKELY(cond) EXPECT(cond,1)
3298#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3299#ifdef HAS_BUILTIN_CHOOSE_EXPR
3300/* placeholder */
3301#endif
b37c2d43 3302
3fc1aec6 3303/* Some unistd.h's give a prototype for pause() even though
3304 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3305 below to be rejected by the compiler. Sigh.
3fc1aec6 3306*/
3307#ifdef HAS_PAUSE
3308#define Pause pause
3309#else
3310#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3311#endif
3312
3313#ifndef IOCPARM_LEN
3314# ifdef IOCPARM_MASK
61f1c44b 3315 /* on BSDish systems we're safe */
748a9306
LW		 3316# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3317# else
61f1c44b 3318# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3319 /* on Linux systems we're safe; except when we're not [perl #38223] */
3320# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3321# else
748a9306 3322 /* otherwise guess at what's safe */
61f1c44b
JVD		 3323# define IOCPARM_LEN(x) 256
3324# endif
748a9306 3325# endif
a0d0e21e
LW		 3326#endif
3327
1761cee5 3328#if defined(__CYGWIN__)
521e0776
GS		 3329/* USEMYBINMODE
3330 * This symbol, if defined, indicates that the program should
16fe6d59 3331 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3332 * that a file is in "binary" mode -- that is, that no translation
3333 * of bytes occurs on read or write operations.
3334 */
36894f0b 3335# define USEMYBINMODE /**/
77a40698 3336# include <io.h> /* for setmode() prototype */
16fe6d59 3337# define my_binmode(fp, iotype, mode) \
77a40698 3338 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3339#endif
3340
88d10794
JH		 3341#ifdef __CYGWIN__
3342void init_os_extras(void);
3343#endif
3344
cea2e8a9
GS		 3345#ifdef UNION_ANY_DEFINITION
3346UNION_ANY_DEFINITION;
3347#else
3348union any {
3349 void* any_ptr;
3350 I32 any_i32;
3351 IV any_iv;
c6bf6a65 3352 UV any_uv;
cea2e8a9 3353 long any_long;
9febdf04 3354 bool any_bool;
c76ac1ee 3355 void (*any_dptr) (void*);
acfe0abc 3356 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3357};
3358#endif
3359
acfe0abc 3360typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3361
3362#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3363#define FILTER_DATA(idx) \
3364 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3365#define FILTER_ISREADER(idx) \
3366 (PL_parser && PL_parser->rsfp_filters \
3367 && idx >= AvFILLp(PL_parser->rsfp_filters))
3368#define PERL_FILTER_EXISTS(i) \
3369 (PL_parser && PL_parser->rsfp_filters \
3370 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3371
c5078cac
JH		 3372#if defined(_AIX) && !defined(_AIX43)
3373#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3374/* We cannot include <crypt.h> to get the struct crypt_data
3375 * because of setkey prototype problems when threading */
3376typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3377 /* From OSF, Not needed in AIX
3378 char C[28], D[28];
3379 */
3380 char E[48];
3381 char KS[16][48];
3382 char block[66];
3383 char iobuf[16];
3384} CRYPTD;
3385#endif /* threading */
3386#endif /* AIX */
3387
e37778c2 3388#if !defined(OS2)
2c2d71f5
JH		 3389# include "iperlsys.h"
3390#endif
504f80c1 3391
9c12f1e5 3392#ifdef __LIBCATAMOUNT__
00f254e2 3393#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS		 3394#undef HAS_GROUP
3395#define FAKE_BIT_BUCKET
3396#endif
3397
d10dc2ae
JH		 3398/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3399 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3400 * defined by Configure, despite their names being similar to the
3401 * other defines like USE_ITHREADS. Configure in fact knows nothing
3402 * about the randomised hashes. Therefore to enable/disable the hash
3403 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3404#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3405# define USE_HASH_SEED
504f80c1
JH		 3406#endif
3407
598921a7
NC		 3408/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3409 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3410 * it's not really needed.
3411 */
3412#if defined(WIN32)
3413# define YYTOKENTYPE
3414#endif
3415#include "perly.h"
3416
3417#ifdef PERL_MAD
3418struct nexttoken {
3419 YYSTYPE next_val; /* value of next token, if any */
3420 I32 next_type; /* type of next token */
3421 MADPROP *next_mad; /* everything else about that token */
3422};
3423#endif
3424
654eccd5
JD		 3425/* macros to define bit-fields in structs. */
3426#ifndef PERL_BITFIELD8
3427# define PERL_BITFIELD8 unsigned
3428#endif
3429#ifndef PERL_BITFIELD16
3430# define PERL_BITFIELD16 unsigned
3431#endif
3432#ifndef PERL_BITFIELD32
3433# define PERL_BITFIELD32 unsigned
3434#endif
3435
79072805 3436#include "sv.h"
288b8c02 3437#include "regexp.h"
378cc40b 3438#include "util.h"
8d063cd8 3439#include "form.h"
79072805 3440#include "gv.h"
dd2155a4 3441#include "pad.h"
79072805 3442#include "cv.h"
abdd5c84 3443#include "opnames.h"
79072805 3444#include "op.h"
b3ca2e83 3445#include "hv.h"
79072805
LW		 3446#include "cop.h"
3447#include "av.h"
79072805
LW		 3448#include "mg.h"
3449#include "scope.h"
4438c4b7 3450#include "warnings.h"
a0ed51b3 3451#include "utf8.h"
8d063cd8 3452
0d7d409d
DM		 3453/* these would be in doio.h if there was such a file */
3454#define my_stat() my_stat_flags(SV_GMAGIC)
3455#define my_lstat() my_lstat_flags(SV_GMAGIC)
3456
20f4945e 3457/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM		 3458#undef _XPV_HEAD
3459#undef _XPVMG_HEAD
3460#undef _XPVCV_COMMON
7fae4e64
GS		 3461
3462typedef struct _sublex_info SUBLEXINFO;
3463struct _sublex_info {
651b5b28
NC		 3464 U8 super_state; /* lexer state to save */
3465 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3466 OP *sub_op; /* "lex_op" to use */
f06b5848
DM		 3467 char *super_bufptr; /* PL_parser->bufptr that was */
3468 char *super_bufend; /* PL_parser->bufend that was */
9da1dd8f 3469 char *re_eval_start;/* start of "(?{..." text */
7fae4e64
GS		 3470};
3471
199e78b7
DM		 3472#include "parser.h"
3473
455ece5e 3474typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3475
2c2d71f5 3476struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3477struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3478
5f7fde29
GS		 3479struct ptr_tbl_ent {
3480 struct ptr_tbl_ent* next;
53c1dcc0 3481 const void* oldval;
5f7fde29 3482 void* newval;
d18c6117
GS		 3483};
3484
5f7fde29
GS		 3485struct ptr_tbl {
3486 struct ptr_tbl_ent** tbl_ary;
3487 UV tbl_max;
3488 UV tbl_items;
db93c0c4
NC		 3489 struct ptr_tbl_arena *tbl_arena;
3490 struct ptr_tbl_ent *tbl_arena_next;
3491 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS		 3492};
3493
450a55e4 3494#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3495# define I286
3496#endif
3497
fe14fcc3
LW		 3498#if defined(htonl) && !defined(HAS_HTONL)
3499#define HAS_HTONL
ae986130 3500#endif
fe14fcc3
LW		 3501#if defined(htons) && !defined(HAS_HTONS)
3502#define HAS_HTONS
ae986130 3503#endif
fe14fcc3
LW		 3504#if defined(ntohl) && !defined(HAS_NTOHL)
3505#define HAS_NTOHL
ae986130 3506#endif
fe14fcc3
LW		 3507#if defined(ntohs) && !defined(HAS_NTOHS)
3508#define HAS_NTOHS
ae986130 3509#endif
fe14fcc3 3510#ifndef HAS_HTONL
d9d8d8de 3511#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3512#define HAS_HTONS
3513#define HAS_HTONL
3514#define HAS_NTOHS
3515#define HAS_NTOHL
a687059c
LW		 3516#define MYSWAP
3517#define htons my_swap
3518#define htonl my_htonl
3519#define ntohs my_swap
3520#define ntohl my_ntohl
3521#endif
3522#else
d9d8d8de 3523#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3524#undef HAS_HTONS
3525#undef HAS_HTONL
3526#undef HAS_NTOHS
3527#undef HAS_NTOHL
a687059c
LW		 3528#endif
3529#endif
3530
988174c1
LW		 3531/*
3532 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3533 * -DWS
3534 */
3535#if BYTEORDER != 0x1234
3536# define HAS_VTOHL
3537# define HAS_VTOHS
3538# define HAS_HTOVL
3539# define HAS_HTOVS
c67712b2 3540# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3541# define vtohl(x) ((((x)&0xFF)<<24) \
3542 +(((x)>>24)&0xFF) \
3543 +(((x)&0x0000FF00)<<8) \
3544 +(((x)&0x00FF0000)>>8) )
3545# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3546# define htovl(x) vtohl(x)
3547# define htovs(x) vtohs(x)
3548# endif
3549 /* otherwise default to functions in util.c */
2a8c3029 3550#ifndef htovs
c623ac67
GS		 3551short htovs(short n);
3552short vtohs(short n);
3553long htovl(long n);
3554long vtohl(long n);
988174c1 3555#endif
2a8c3029 3556#endif
988174c1 3557
3bb7c1b4
JH		 3558/* *MAX Plus 1. A floating point value.
3559 Hopefully expressed in a way that dodgy floating point can't mess up.
3560 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3561 is added to it
3562 May find that some broken compiler will want the value cast to I32.
3563 [after the shift, as signed >> may not be as secure as unsigned >>]
3564*/
3565#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3566#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3567/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3568 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3569 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3570*/
3571#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3572
3bb7c1b4
JH		 3573#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3574#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3575#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3576
3577/* This may look like unnecessary jumping through hoops, but converting
3578 out of range floating point values to integers *is* undefined behaviour,
3579 and it is starting to bite.
3580*/
3581#ifndef CAST_INLINE
65202027 3582#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3583#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3584#define I_V(what) (cast_iv((NV)(what)))
3585#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3586#else
3587#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3588 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3589 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3590#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3591 : ((n) < U32_MAX_P1 ? (U32) (n) \
3592 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3593#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3594 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3595 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3596#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3597 : ((n) < UV_MAX_P1 ? (UV) (n) \
3598 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3599#endif
3600
3601#define U_S(what) ((U16)U_32(what))
3602#define U_I(what) ((unsigned int)U_32(what))
3603#define U_L(what) U_32(what)
ed6116ce 3604
ed140128
AD		 3605#ifdef HAS_SIGNBIT
3606# define Perl_signbit signbit
3607#endif
3608
2d4389e4
JH		 3609/* These do not care about the fractional part, only about the range. */
3610#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3611#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3612
25da4f38
IZ		 3613/* Used with UV/IV arguments: */
3614 /* XXXX: need to speed it up */
3615#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3616#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3617
352d5a3a
LW		 3618#ifndef MAXSYSFD
3619# define MAXSYSFD 2
3620#endif
ee0007ab 3621
79072805 3622#ifndef __cplusplus
27da23d5 3623#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3624Uid_t getuid (void);
3625Uid_t geteuid (void);
3626Gid_t getgid (void);
3627Gid_t getegid (void);
79072805 3628#endif
e1caacb4 3629#endif
8d063cd8 3630
0c30d9ec 3631#ifndef Perl_debug_log
bf49b057
GS		 3632# define Perl_debug_log PerlIO_stderr()
3633#endif
3634
3635#ifndef Perl_error_log
3636# define Perl_error_log (PL_stderrgv \
6b78add2 3637 && isGV(PL_stderrgv) \
01bb7c6d 3638 && GvIOp(PL_stderrgv) \
42de951c 3639 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3640 ? IoOFP(GvIOp(PL_stderrgv)) \
3641 : PerlIO_stderr())
0c30d9ec 3642#endif
3967c732 3643
aea4f609
DM		 3644
3645#define DEBUG_p_FLAG 0x00000001 /* 1 */
3646#define DEBUG_s_FLAG 0x00000002 /* 2 */
3647#define DEBUG_l_FLAG 0x00000004 /* 4 */
3648#define DEBUG_t_FLAG 0x00000008 /* 8 */
3649#define DEBUG_o_FLAG 0x00000010 /* 16 */
3650#define DEBUG_c_FLAG 0x00000020 /* 32 */
3651#define DEBUG_P_FLAG 0x00000040 /* 64 */
3652#define DEBUG_m_FLAG 0x00000080 /* 128 */
3653#define DEBUG_f_FLAG 0x00000100 /* 256 */
3654#define DEBUG_r_FLAG 0x00000200 /* 512 */
3655#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3656#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3657/* U is reserved for Unofficial, exploratory hacking */
3658#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3659#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3660#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3661#define DEBUG_D_FLAG 0x00008000 /* 32768 */
56967202 3662#define DEBUG_S_FLAG 0x00010000 /* 65536 */
aea4f609 3663#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3664#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3665#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3666#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3667#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3668#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3669#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 3670#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3671#define DEBUG_B_FLAG 0x02000000 /*33554432*/
56967202 3672#define DEBUG_MASK 0x03FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3673
3674#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3675#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3676 that something was done? */
aea4f609 3677
bd16a5f0
IZ		 3678# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3679# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3680# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3681# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3682# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3683# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3684# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3685# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3686# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3687# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3688# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3689# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3690# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3691# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3692# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3693# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
56967202 3694# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
bd16a5f0
IZ		 3695# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3696# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3697# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3698# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3699# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3700# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3701# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3702# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3703# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3704# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3705# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3706# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3707
3967c732 3708#ifdef DEBUGGING
aea4f609 3709
bd16a5f0
IZ		 3710# define DEBUG_p_TEST DEBUG_p_TEST_
3711# define DEBUG_s_TEST DEBUG_s_TEST_
3712# define DEBUG_l_TEST DEBUG_l_TEST_
3713# define DEBUG_t_TEST DEBUG_t_TEST_
3714# define DEBUG_o_TEST DEBUG_o_TEST_
3715# define DEBUG_c_TEST DEBUG_c_TEST_
3716# define DEBUG_P_TEST DEBUG_P_TEST_
3717# define DEBUG_m_TEST DEBUG_m_TEST_
3718# define DEBUG_f_TEST DEBUG_f_TEST_
3719# define DEBUG_r_TEST DEBUG_r_TEST_
3720# define DEBUG_x_TEST DEBUG_x_TEST_
3721# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3722# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3723# define DEBUG_H_TEST DEBUG_H_TEST_
3724# define DEBUG_X_TEST DEBUG_X_TEST_
3725# define DEBUG_D_TEST DEBUG_D_TEST_
56967202 3726# define DEBUG_S_TEST DEBUG_S_TEST_
bd16a5f0
IZ		 3727# define DEBUG_T_TEST DEBUG_T_TEST_
3728# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3729# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3730# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3731# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3732# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3733# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3734# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3735# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC		 3736# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3737# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3738# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3739
488b0c7a
JH		 3740# define PERL_DEB(a) a
3741# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3742# define DEBUG_p(a) if (DEBUG_p_TEST) a
3743# define DEBUG_s(a) if (DEBUG_s_TEST) a
3744# define DEBUG_l(a) if (DEBUG_l_TEST) a
3745# define DEBUG_t(a) if (DEBUG_t_TEST) a
3746# define DEBUG_o(a) if (DEBUG_o_TEST) a
3747# define DEBUG_c(a) if (DEBUG_c_TEST) a
3748# define DEBUG_P(a) if (DEBUG_P_TEST) a
3749
969058bb
VK		 3750 /* Temporarily turn off memory debugging in case the a
3751 * does memory allocation, either directly or indirectly. */
acfe0abc 3752# define DEBUG_m(a) \
0b250b9e 3753 STMT_START { \
aea4f609 3754 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3755 } STMT_END
aea4f609 3756
5f80b19c
AMS		 3757# define DEBUG__(t, a) \
3758 STMT_START { \
3759 if (t) STMT_START {a;} STMT_END; \
3760 } STMT_END
3761
3762# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3763#ifndef PERL_EXT_RE_BUILD
5f80b19c 3764# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3765#else
3766# define DEBUG_r(a) STMT_START {a;} STMT_END
3767#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3768# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3769# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3770# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3771# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3772# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3773# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3774# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3775# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3776# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3777
56967202 3778# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
5f80b19c
AMS		 3779# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3780# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3781# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3782# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3783# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3784# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3785# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3786# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM		 3787
3788#else /* DEBUGGING */
3789
3790# define DEBUG_p_TEST (0)
3791# define DEBUG_s_TEST (0)
3792# define DEBUG_l_TEST (0)
3793# define DEBUG_t_TEST (0)
3794# define DEBUG_o_TEST (0)
3795# define DEBUG_c_TEST (0)
3796# define DEBUG_P_TEST (0)
3797# define DEBUG_m_TEST (0)
3798# define DEBUG_f_TEST (0)
3799# define DEBUG_r_TEST (0)
3800# define DEBUG_x_TEST (0)
3801# define DEBUG_u_TEST (0)
88d2d28a 3802# define DEBUG_U_TEST (0)
aea4f609
DM		 3803# define DEBUG_H_TEST (0)
3804# define DEBUG_X_TEST (0)
3805# define DEBUG_D_TEST (0)
56967202 3806# define DEBUG_S_TEST (0)
aea4f609 3807# define DEBUG_T_TEST (0)
04932ac8 3808# define DEBUG_R_TEST (0)
1045810a 3809# define DEBUG_J_TEST (0)
d6721266 3810# define DEBUG_v_TEST (0)
46187eeb 3811# define DEBUG_C_TEST (0)
ecae49c0
NC		 3812# define DEBUG_A_TEST (0)
3813# define DEBUG_q_TEST (0)
d7c0d282 3814# define DEBUG_M_TEST (0)
cc8773c0 3815# define DEBUG_B_TEST (0)
7949c6f5
JC		 3816# define DEBUG_Xv_TEST (0)
3817# define DEBUG_Uv_TEST (0)
ad9e76a8 3818# define DEBUG_Pv_TEST (0)
aea4f609 3819
488b0c7a
JH		 3820# define PERL_DEB(a)
3821# define PERL_DEBUG(a)
aea4f609
DM		 3822# define DEBUG_p(a)
3823# define DEBUG_s(a)
3824# define DEBUG_l(a)
3825# define DEBUG_t(a)
3826# define DEBUG_o(a)
3827# define DEBUG_c(a)
3828# define DEBUG_P(a)
3829# define DEBUG_m(a)
3830# define DEBUG_f(a)
3831# define DEBUG_r(a)
3832# define DEBUG_x(a)
3833# define DEBUG_u(a)
88d2d28a 3834# define DEBUG_U(a)
aea4f609
DM		 3835# define DEBUG_H(a)
3836# define DEBUG_X(a)
3837# define DEBUG_D(a)
56967202 3838# define DEBUG_S(a)
aea4f609 3839# define DEBUG_T(a)
04932ac8 3840# define DEBUG_R(a)
d6721266 3841# define DEBUG_v(a)
46187eeb 3842# define DEBUG_C(a)
ecae49c0
NC		 3843# define DEBUG_A(a)
3844# define DEBUG_q(a)
d7c0d282 3845# define DEBUG_M(a)
cc8773c0 3846# define DEBUG_B(a)
7949c6f5
JC		 3847# define DEBUG_Xv(a)
3848# define DEBUG_Uv(a)
ad9e76a8 3849# define DEBUG_Pv(a)
aea4f609
DM		 3850#endif /* DEBUGGING */
3851
3852
b4ab917c 3853#define DEBUG_SCOPE(where) \
d9f81b50 3854 DEBUG_l( \
1c98cc53
DM		 3855 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
3856 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
d9f81b50 3857 __FILE__, __LINE__));
b4ab917c 3858
de84dc04
NC		 3859#if defined(DEBUGGING) && defined(I_ASSERT)
3860# include <assert.h>
3861#endif
3862
3863/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3864 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3865
de84dc04 3866#define Perl_assert(what) PERL_DEB( \
2b057284 3867 ((what) ? ((void) 0) : \
67eb4d30 3868 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3869 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3870 (void) 0)))
de84dc04
NC		 3871
3872#ifndef assert
3873# define assert(what) Perl_assert(what)
a446a88f 3874#endif
8d063cd8 3875
450a55e4 3876struct ufuncs {
24f81a43
DM		 3877 I32 (*uf_val)(pTHX_ IV, SV*);
3878 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3879 IV uf_index;
450a55e4
LW		 3880};
3881
14befaf4 3882/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3883 * XS code wanting to be backward compatible can do something
3884 * like the following:
c745e42c 3885
24f81a43 3886#ifndef PERL_MG_UFUNC
24f81a43
DM		 3887#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3888#endif
3889
3890static PERL_MG_UFUNC(foo_get, index, val)
3891{
3892 sv_setsv(val, ...);
3893 return TRUE;
3894}
3895
3896-- Doug MacEachern
3897
3898*/
3899
fc9c74e6 3900#ifndef PERL_MG_UFUNC
24f81a43 3901#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3902#endif
24f81a43 3903
fe14fcc3 3904/* Fix these up for __STDC__ */
68dc0745 3905#ifndef DONT_DECLARE_STD
20ce7b12 3906char *mktemp (char*);
37bd1396 3907#ifndef atof
20ce7b12 3908double atof (const char*);
a0d0e21e 3909#endif
37bd1396 3910#endif
79072805 3911
352d5a3a 3912#ifndef STANDARD_C
fe14fcc3 3913/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3914Time_t time();
8d063cd8 3915struct tm *gmtime(), *localtime();
092bebab 3916#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3917char *(strchr)(), *(strrchr)();
3918char *(strcpy)(), *(strcat)();
3919#else
93a17b20 3920char *strchr(), *strrchr();
378cc40b 3921char *strcpy(), *strcat();
9d116dd7 3922#endif
352d5a3a 3923#endif /* ! STANDARD_C */
8d063cd8 3924
79072805
LW		 3925
3926#ifdef I_MATH
3927# include <math.h>
3928#else
32f822de 3929START_EXTERN_C
20ce7b12
GS		 3930 double exp (double);
3931 double log (double);
3932 double log10 (double);
3933 double sqrt (double);
3934 double frexp (double,int*);
3935 double ldexp (double,int);
3936 double modf (double,double*);
3937 double sin (double);
3938 double cos (double);
3939 double atan2 (double,double);
3940 double pow (double,double);
32f822de 3941END_EXTERN_C
79072805
LW		 3942#endif
3943
aa8b85de
JH		 3944#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3945# define NV_INF LDBL_INFINITY
3946#endif
3947#if !defined(NV_INF) && defined(DBL_INFINITY)
3948# define NV_INF (NV)DBL_INFINITY
3949#endif
3950#if !defined(NV_INF) && defined(INFINITY)
3951# define NV_INF (NV)INFINITY
3952#endif
3953#if !defined(NV_INF) && defined(INF)
3954# define NV_INF (NV)INF
3955#endif
3956#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3957# define NV_INF (NV)HUGE_VALL
3958#endif
3959#if !defined(NV_INF) && defined(HUGE_VAL)
3960# define NV_INF (NV)HUGE_VAL
3961#endif
3962
3963#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3964# if !defined(NV_NAN) && defined(LDBL_NAN)
3965# define NV_NAN LDBL_NAN
3966# endif
3967# if !defined(NV_NAN) && defined(LDBL_QNAN)
3968# define NV_NAN LDBL_QNAN
3969# endif
3970# if !defined(NV_NAN) && defined(LDBL_SNAN)
3971# define NV_NAN LDBL_SNAN
3972# endif
3973#endif
3974#if !defined(NV_NAN) && defined(DBL_NAN)
3975# define NV_NAN (NV)DBL_NAN
3976#endif
3977#if !defined(NV_NAN) && defined(DBL_QNAN)
3978# define NV_NAN (NV)DBL_QNAN
3979#endif
3980#if !defined(NV_NAN) && defined(DBL_SNAN)
3981# define NV_NAN (NV)DBL_SNAN
3982#endif
3983#if !defined(NV_NAN) && defined(QNAN)
3984# define NV_NAN (NV)QNAN
3985#endif
3986#if !defined(NV_NAN) && defined(SNAN)
3987# define NV_NAN (NV)SNAN
3988#endif
3989#if !defined(NV_NAN) && defined(NAN)
3990# define NV_NAN (NV)NAN
3991#endif
3992
a0d0e21e 3993#ifndef __cplusplus
8f1f23e8 3994# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3995char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3996# else
fd8cd3a3 3997# if !defined(WIN32) && !defined(VMS)
10bc17b6 3998#ifndef crypt
20ce7b12 3999char *crypt (const char*, const char*);
10bc17b6 4000#endif
5014db98 4001# endif /* !WIN32 */
8f1f23e8 4002# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 4003# ifndef DONT_DECLARE_STD
4004# ifndef getenv
20ce7b12 4005char *getenv (const char*);
26618a56 4006# endif /* !getenv */
28ca6303 4007# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 4008# ifdef _FILE_OFFSET_BITS
28ca6303 4009# if _FILE_OFFSET_BITS == 64
20ce7b12 4010Off_t lseek (int,Off_t,int);
0fc67700
JH		 4011# endif
4012# endif
bf0c440f 4013# endif
26618a56 4014# endif /* !DONT_DECLARE_STD */
10bc17b6 4015#ifndef getlogin
20ce7b12 4016char *getlogin (void);
10bc17b6 4017#endif
26618a56 4018#endif /* !__cplusplus */
79072805 4019
7a7fd8e0
JM		 4020/* Fixme on VMS. This needs to be a run-time, not build time options */
4021/* Also rename() is affected by this */
16d20bd9 4022#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 4023#define UNLINK unlnk
083639a9 4024I32 unlnk (pTHX_ const char*);
8d063cd8 4025#else
80252599 4026#define UNLINK PerlLIO_unlink
8d063cd8 4027#endif
a687059c 4028
fa0a29af
JH		 4029/* some versions of glibc are missing the setresuid() proto */
4030#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 4031int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4032#endif
fa0a29af
JH		 4033/* some versions of glibc are missing the setresgid() proto */
4034#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 4035int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4036#endif
4037
fe14fcc3 4038#ifndef HAS_SETREUID
85e6fe83
LW		 4039# ifdef HAS_SETRESUID
4040# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4041# define HAS_SETREUID
4042# endif
a687059c 4043#endif
fe14fcc3 4044#ifndef HAS_SETREGID
85e6fe83
LW		 4045# ifdef HAS_SETRESGID
4046# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4047# define HAS_SETREGID
4048# endif
a687059c 4049#endif
ee0007ab 4050
d543acb6 4051/* Sighandler_t defined in iperlsys.h */
ff68c719 4052
4053#ifdef HAS_SIGACTION
4054typedef struct sigaction Sigsave_t;
4055#else
4056typedef Sighandler_t Sigsave_t;
4057#endif
4058
ee0007ab
LW		 4059#define SCAN_DEF 0
4060#define SCAN_TR 1
4061#define SCAN_REPL 2
79072805
LW		 4062
4063#ifdef DEBUGGING
4633a7c4 4064# ifndef register
a0d0e21e
LW		 4065# define register
4066# endif
cea2e8a9 4067# define RUNOPS_DEFAULT Perl_runops_debug
79072805 4068#else
cea2e8a9 4069# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 4070#endif
4071
6cb8cb21 4072#ifdef USE_PERLIO
0934c9d9 4073EXTERN_C void PerlIO_teardown(void);
2f44961c 4074# ifdef USE_ITHREADS
6cb8cb21
RGS		 4075# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4076# define PERLIO_TERM \
4077 STMT_START { \
d0820ef1 4078 PerlIO_teardown(); \
6cb8cb21
RGS		 4079 MUTEX_DESTROY(&PL_perlio_mutex);\
4080 } STMT_END
4081# else
4082# define PERLIO_INIT
d0820ef1 4083# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 4084# endif
6b29934b
NC		 4085#else
4086# define PERLIO_INIT
4087# define PERLIO_TERM
6cb8cb21
RGS		 4088#endif
4089
18f739ee 4090#ifdef MYMALLOC
772fe5b3 4091# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 4092# define MALLOC_INIT \
4093 STMT_START { \
4094 PL_malloc_mutex = NULL; \
4095 MUTEX_INIT(&PL_malloc_mutex); \
4096 } STMT_END
4097# define MALLOC_TERM \
4098 STMT_START { \
4099 perl_mutex tmp = PL_malloc_mutex; \
4100 PL_malloc_mutex = NULL; \
4101 MUTEX_DESTROY(&tmp); \
4102 } STMT_END
4103# else
4104# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4105# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4106# endif
18f739ee
IZ		 4107#else
4108# define MALLOC_INIT
4109# define MALLOC_TERM
4110#endif
4111
cd1541b2 4112#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 4113
4114struct perl_memory_debug_header;
cd1541b2
NC		 4115struct perl_memory_debug_header {
4116 tTHX interpreter;
4117# ifdef PERL_POISON
4118 MEM_SIZE size;
cd1541b2 4119# endif
7cb608b5
NC		 4120 struct perl_memory_debug_header *prev;
4121 struct perl_memory_debug_header *next;
cd1541b2
NC		 4122};
4123
4124# define sTHX (sizeof(struct perl_memory_debug_header) + \
4125 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4126 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4127
d8fca402
NC		 4128#else
4129# define sTHX 0
cd1541b2
NC		 4130#endif
4131
7cb608b5
NC		 4132#ifdef PERL_TRACK_MEMPOOL
4133# define INIT_TRACK_MEMPOOL(header, interp) \
4134 STMT_START { \
4135 (header).interpreter = (interp); \
4136 (header).prev = (header).next = &(header); \
4137 } STMT_END
4138# else
4139# define INIT_TRACK_MEMPOOL(header, interp)
4140#endif
4141
1cd66f7c
DD		 4142#ifdef I_MALLOCMALLOC
4143/* Needed for malloc_size(), malloc_good_size() on some systems */
4144# include <malloc/malloc.h>
4145#endif
4146
ca7c1a29
NC		 4147#ifdef MYMALLOC
4148# define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
cfe52898 4149#else
e82be400
NC		 4150# ifdef HAS_MALLOC_SIZE
4151# ifdef PERL_TRACK_MEMPOOL
cfe52898
RGS		 4152# define Perl_safesysmalloc_size(where) \
4153 (malloc_size(((char *)(where)) - sTHX) - sTHX)
e82be400
NC		 4154# else
4155# define Perl_safesysmalloc_size(where) malloc_size(where)
4156# endif
4157# endif
4158# ifdef HAS_MALLOC_GOOD_SIZE
4159# ifdef PERL_TRACK_MEMPOOL
d8fca402
NC		 4160# define Perl_malloc_good_size(how_much) \
4161 (malloc_good_size((how_much) + sTHX) - sTHX)
e82be400
NC		 4162# else
4163# define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4164# endif
4165# else
d8fca402
NC		 4166/* Having this as the identity operation makes some code simpler. */
4167# define Perl_malloc_good_size(how_much) (how_much)
e82be400 4168# endif
ca7c1a29 4169#endif
b6d9d515 4170
16c91539
BM		 4171typedef int (*runops_proc_t)(pTHX);
4172typedef void (*share_proc_t) (pTHX_ SV *sv);
4173typedef int (*thrhook_proc_t) (pTHX);
4174typedef OP* (*PPADDR_t[]) (pTHX);
4175typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4176typedef void (*despatch_signals_proc_t) (pTHX);
22c35a8c 4177
8f1f23e8
W		 4178/* NeXT has problems with crt0.o globals */
4179#if defined(__DYNAMIC__) && \
6239f2da 4180 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 4181# if defined(NeXT) || defined(__NeXT)
4182# include <mach-o/dyld.h>
4183# define environ (*environ_pointer)
0c30d9ec 4184EXT char *** environ_pointer;
8f1f23e8 4185# else
6239f2da 4186# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 4187# include <crt_externs.h> /* for the env array */
4188# define environ (*_NSGetEnviron())
4189# endif
0c30d9ec 4190# endif
8f1f23e8
W		 4191#else
4192 /* VMS and some other platforms don't use the environ array */
13b6e58c 4193# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 4194# if !defined(DONT_DECLARE_STD) || \
4195 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
4196 defined(__sgi) || \
d460ef45 4197 defined(__DGUX)
8f1f23e8 4198extern char ** environ; /* environment variables supplied via exec */
a6c40364 4199# endif
8f1f23e8
W		 4200# endif
4201#endif
79072805 4202
457c5385
NC		 4203#define PERL_PATCHLEVEL_H_IMPLICIT
4204#include "patchlevel.h"
4205#undef PERL_PATCHLEVEL_H_IMPLICIT
4206
4207#define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4208 STRINGIFY(PERL_VERSION) "." \
4209 STRINGIFY(PERL_SUBVERSION)
4210
4211#define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4212 STRINGIFY(PERL_API_VERSION) "." \
4213 STRINGIFY(PERL_API_SUBVERSION)
4214
73c4f7a1
GS		 4215START_EXTERN_C
4216
79072805 4217/* handy constants */
22c35a8c 4218EXTCONST char PL_warn_uninit[]
29489e7c 4219 INIT("Use of uninitialized value%s%s%s");
fef7e7a0
BF		 4220EXTCONST char PL_warn_uninit_sv[]
4221 INIT("Use of uninitialized value%"SVf"%s%s");
22c35a8c 4222EXTCONST char PL_warn_nosemi[]
463ee0b2 4223 INIT("Semicolon seems to be missing");
22c35a8c 4224EXTCONST char PL_warn_reserved[]
463ee0b2 4225 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4226EXTCONST char PL_warn_nl[]
93a17b20 4227 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4228EXTCONST char PL_no_wrongref[]
a0d0e21e 4229 INIT("Can't use %s ref as %s ref");
def89bff
NC		 4230/* The core no longer needs these here. If you require the string constant,
4231 please inline a copy into your own code. */
973a7615
NC		 4232EXTCONST char PL_no_symref[] __attribute__deprecated__
4233 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
def89bff
NC		 4234EXTCONST char PL_no_symref_sv[] __attribute__deprecated__
4235 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 4236EXTCONST char PL_no_usym[]
8990e307 4237 INIT("Can't use an undefined value as %s reference");
22c35a8c 4238EXTCONST char PL_no_aelem[]
93a17b20 4239 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4240EXTCONST char PL_no_helem_sv[]
d04ff51e 4241 INIT("Modification of non-creatable hash value attempted, subscript \"%"SVf"\"");
22c35a8c 4242EXTCONST char PL_no_modify[]
93a17b20 4243 INIT("Modification of a read-only value attempted");
22c35a8c 4244EXTCONST char PL_no_mem[]
93a17b20 4245 INIT("Out of memory!\n");
22c35a8c 4246EXTCONST char PL_no_security[]
463ee0b2 4247 INIT("Insecure dependency in %s%s");
22c35a8c 4248EXTCONST char PL_no_sock_func[]
93a17b20 4249 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4250EXTCONST char PL_no_dir_func[]
93a17b20 4251 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4252EXTCONST char PL_no_func[]
93a17b20 4253 INIT("The %s function is unimplemented");
22c35a8c 4254EXTCONST char PL_no_myglob[]
952306ac 4255 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 4256EXTCONST char PL_no_localize_ref[]
4257 INIT("Can't localize through a reference");
27d5b266
JH		 4258EXTCONST char PL_memory_wrap[]
4259 INIT("panic: memory wrap");
93a17b20 4260
58f645e2
NC		 4261EXTCONST char PL_Yes[]
4262 INIT("1");
4263EXTCONST char PL_No[]
4264 INIT("");
4265EXTCONST char PL_hexdigit[]
4266 INIT("0123456789abcdef0123456789ABCDEF");
4267
0447859b
NC		 4268/* This is constant on most architectures, a global on OS/2 */
4269#ifndef OS2
4270EXTCONST char PL_sh_path[]
4271 INIT(SH_PATH); /* full path of shell */
4272#endif
4273
618b9757
NC		 4274#ifdef CSH
4275EXTCONST char PL_cshname[]
4276 INIT(CSH);
4277# define PL_cshlen (sizeof(CSH "") - 1)
4278#endif
4279
457c5385
NC		 4280/* These are baked at compile time into any shared perl library.
4281 In future releases this will allow us in main() to sanity test the
4282 library we're linking against. */
4283
4284EXTCONST U8 PL_revision
4285 INIT(PERL_REVISION);
4286EXTCONST U8 PL_version
4287 INIT(PERL_VERSION);
4288EXTCONST U8 PL_subversion
4289 INIT(PERL_SUBVERSION);
4290
7575fa06 4291EXTCONST char PL_uuemap[65]
80252599
GS		 4292 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4293
79072805 4294#ifdef DOINIT
9444d213 4295EXTCONST char PL_uudmap[256] =
dde5ec2c
NC		 4296# ifdef PERL_MICRO
4297# include "uuudmap.h"
4298# else
4299# include "uudmap.h"
4300# endif
9444d213 4301;
efa50c51 4302EXTCONST char PL_bitcount[256] =
dde5ec2c
NC		 4303# ifdef PERL_MICRO
4304# include "ubitcount.h"
4305#else
4306# include "bitcount.h"
4307# endif
efa50c51 4308;
27da23d5
JH		 4309EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4310EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4311#else
9444d213 4312EXTCONST char PL_uudmap[256];
efa50c51 4313EXTCONST char PL_bitcount[256];
27da23d5
JH		 4314EXTCONST char* const PL_sig_name[];
4315EXTCONST int PL_sig_num[];
79072805
LW		 4316#endif
4317
6d8e7a01
KW		 4318/* fast conversion and case folding tables. The folding tables complement the
4319 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4320 * folds such as outside the range or to multiple characters. */
bbce6d69 4321
79072805 4322#ifdef DOINIT
d02f4dad
KW		 4323#ifndef EBCDIC
4324
4325/* The EBCDIC fold table depends on the code page, and hence is found in
4326 * utfebcdic.h */
4327
22c35a8c 4328EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4329 0, 1, 2, 3, 4, 5, 6, 7,
4330 8, 9, 10, 11, 12, 13, 14, 15,
4331 16, 17, 18, 19, 20, 21, 22, 23,
4332 24, 25, 26, 27, 28, 29, 30, 31,
4333 32, 33, 34, 35, 36, 37, 38, 39,
4334 40, 41, 42, 43, 44, 45, 46, 47,
4335 48, 49, 50, 51, 52, 53, 54, 55,
4336 56, 57, 58, 59, 60, 61, 62, 63,
4337 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4338 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4339 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4340 'x', 'y', 'z', 91, 92, 93, 94, 95,
4341 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4342 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4343 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4344 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4345 128, 129, 130, 131, 132, 133, 134, 135,
4346 136, 137, 138, 139, 140, 141, 142, 143,
4347 144, 145, 146, 147, 148, 149, 150, 151,
4348 152, 153, 154, 155, 156, 157, 158, 159,
4349 160, 161, 162, 163, 164, 165, 166, 167,
4350 168, 169, 170, 171, 172, 173, 174, 175,
4351 176, 177, 178, 179, 180, 181, 182, 183,
4352 184, 185, 186, 187, 188, 189, 190, 191,
4353 192, 193, 194, 195, 196, 197, 198, 199,
4354 200, 201, 202, 203, 204, 205, 206, 207,
4355 208, 209, 210, 211, 212, 213, 214, 215,
4356 216, 217, 218, 219, 220, 221, 222, 223,
4357 224, 225, 226, 227, 228, 229, 230, 231,
4358 232, 233, 234, 235, 236, 237, 238, 239,
4359 240, 241, 242, 243, 244, 245, 246, 247,
4360 248, 249, 250, 251, 252, 253, 254, 255
4361};
3871f40b
KW		 4362EXTCONST unsigned char PL_fold_latin1[] = {
4363 /* Full latin1 complement folding, except for three problematic code points:
4364 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4365 * fold complements outside the Latin1 range, so can't match something
4366 * that isn't in utf8.
4367 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4368 * not one, so can't be represented in this table.
4369 *
4370 * All have to be specially handled */
4371 0, 1, 2, 3, 4, 5, 6, 7,
4372 8, 9, 10, 11, 12, 13, 14, 15,
4373 16, 17, 18, 19, 20, 21, 22, 23,
4374 24, 25, 26, 27, 28, 29, 30, 31,
4375 32, 33, 34, 35, 36, 37, 38, 39,
4376 40, 41, 42, 43, 44, 45, 46, 47,
4377 48, 49, 50, 51, 52, 53, 54, 55,
4378 56, 57, 58, 59, 60, 61, 62, 63,
4379 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4380 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4381 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4382 'x', 'y', 'z', 91, 92, 93, 94, 95,
4383 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4384 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4385 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4386 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4387 128, 129, 130, 131, 132, 133, 134, 135,
4388 136, 137, 138, 139, 140, 141, 142, 143,
4389 144, 145, 146, 147, 148, 149, 150, 151,
4390 152, 153, 154, 155, 156, 157, 158, 159,
4391 160, 161, 162, 163, 164, 165, 166, 167,
4392 168, 169, 170, 171, 172, 173, 174, 175,
4393 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4394 184, 185, 186, 187, 188, 189, 190, 191,
4395 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4396 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4397 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4398 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4399 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4400 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4401 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4402 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4403 255 /* y with diaeresis */
4404};
00f254e2
KW		 4405#endif /* !EBCDIC, but still in DOINIT */
4406
4407/* If these tables are accessed through ebcdic, the access will be converted to
4408 * latin1 first */
4409EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4410 0, 1, 2, 3, 4, 5, 6, 7,
4411 8, 9, 10, 11, 12, 13, 14, 15,
4412 16, 17, 18, 19, 20, 21, 22, 23,
4413 24, 25, 26, 27, 28, 29, 30, 31,
4414 32, 33, 34, 35, 36, 37, 38, 39,
4415 40, 41, 42, 43, 44, 45, 46, 47,
4416 48, 49, 50, 51, 52, 53, 54, 55,
4417 56, 57, 58, 59, 60, 61, 62, 63,
4418 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4419 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4420 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4421 'x', 'y', 'z', 91, 92, 93, 94, 95,
4422 96, 97, 98, 99, 100, 101, 102, 103,
4423 104, 105, 106, 107, 108, 109, 110, 111,
4424 112, 113, 114, 115, 116, 117, 118, 119,
4425 120, 121, 122, 123, 124, 125, 126, 127,
4426 128, 129, 130, 131, 132, 133, 134, 135,
4427 136, 137, 138, 139, 140, 141, 142, 143,
4428 144, 145, 146, 147, 148, 149, 150, 151,
4429 152, 153, 154, 155, 156, 157, 158, 159,
4430 160, 161, 162, 163, 164, 165, 166, 167,
4431 168, 169, 170, 171, 172, 173, 174, 175,
4432 176, 177, 178, 179, 180, 181, 182, 183,
4433 184, 185, 186, 187, 188, 189, 190, 191,
4434 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4435 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4436 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4437 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4438 224, 225, 226, 227, 228, 229, 230, 231,
4439 232, 233, 234, 235, 236, 237, 238, 239,
4440 240, 241, 242, 243, 244, 245, 246, 247,
4441 248, 249, 250, 251, 252, 253, 254, 255
4442};
4443
4444/* upper and title case of latin1 characters, modified so that the three tricky
4445 * ones are mapped to 255 (which is one of the three) */
4446EXTCONST unsigned char PL_mod_latin1_uc[] = {
4447 0, 1, 2, 3, 4, 5, 6, 7,
4448 8, 9, 10, 11, 12, 13, 14, 15,
4449 16, 17, 18, 19, 20, 21, 22, 23,
4450 24, 25, 26, 27, 28, 29, 30, 31,
4451 32, 33, 34, 35, 36, 37, 38, 39,
4452 40, 41, 42, 43, 44, 45, 46, 47,
4453 48, 49, 50, 51, 52, 53, 54, 55,
4454 56, 57, 58, 59, 60, 61, 62, 63,
4455 64, 65, 66, 67, 68, 69, 70, 71,
4456 72, 73, 74, 75, 76, 77, 78, 79,
4457 80, 81, 82, 83, 84, 85, 86, 87,
4458 88, 89, 90, 91, 92, 93, 94, 95,
4459 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4460 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4461 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4462 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4463 128, 129, 130, 131, 132, 133, 134, 135,
4464 136, 137, 138, 139, 140, 141, 142, 143,
4465 144, 145, 146, 147, 148, 149, 150, 151,
4466 152, 153, 154, 155, 156, 157, 158, 159,
4467 160, 161, 162, 163, 164, 165, 166, 167,
4468 168, 169, 170, 171, 172, 173, 174, 175,
4469 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4470 184, 185, 186, 187, 188, 189, 190, 191,
4471 192, 193, 194, 195, 196, 197, 198, 199,
4472 200, 201, 202, 203, 204, 205, 206, 207,
4473 208, 209, 210, 211, 212, 213, 214, 215,
4474 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/,
4475 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4476 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4477 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4478 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4479};
4480#else /* ! DOINIT */
22c35a8c 4481EXTCONST unsigned char PL_fold[];
3871f40b 4482EXTCONST unsigned char PL_fold_latin1[];
00f254e2
KW		 4483EXTCONST unsigned char PL_mod_latin1_uc[];
4484EXTCONST unsigned char PL_latin1_lc[];
79072805
LW		 4485#endif
4486
27da23d5 4487#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4488#ifdef DOINIT
27da23d5 4489EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4490 0, 1, 2, 3, 4, 5, 6, 7,
4491 8, 9, 10, 11, 12, 13, 14, 15,
4492 16, 17, 18, 19, 20, 21, 22, 23,
4493 24, 25, 26, 27, 28, 29, 30, 31,
4494 32, 33, 34, 35, 36, 37, 38, 39,
4495 40, 41, 42, 43, 44, 45, 46, 47,
4496 48, 49, 50, 51, 52, 53, 54, 55,
4497 56, 57, 58, 59, 60, 61, 62, 63,
4498 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4499 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4500 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4501 'x', 'y', 'z', 91, 92, 93, 94, 95,
4502 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4503 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4504 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4505 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4506 128, 129, 130, 131, 132, 133, 134, 135,
4507 136, 137, 138, 139, 140, 141, 142, 143,
4508 144, 145, 146, 147, 148, 149, 150, 151,
4509 152, 153, 154, 155, 156, 157, 158, 159,
4510 160, 161, 162, 163, 164, 165, 166, 167,
4511 168, 169, 170, 171, 172, 173, 174, 175,
4512 176, 177, 178, 179, 180, 181, 182, 183,
4513 184, 185, 186, 187, 188, 189, 190, 191,
4514 192, 193, 194, 195, 196, 197, 198, 199,
4515 200, 201, 202, 203, 204, 205, 206, 207,
4516 208, 209, 210, 211, 212, 213, 214, 215,
4517 216, 217, 218, 219, 220, 221, 222, 223,
4518 224, 225, 226, 227, 228, 229, 230, 231,
4519 232, 233, 234, 235, 236, 237, 238, 239,
4520 240, 241, 242, 243, 244, 245, 246, 247,
4521 248, 249, 250, 251, 252, 253, 254, 255
4522};
4523#else
27da23d5 4524EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4525#endif
27da23d5 4526#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4527
4528#ifdef DOINIT
9d116dd7 4529#ifdef EBCDIC
27da23d5 4530EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4531 1, 2, 84, 151, 154, 155, 156, 157,
4532 165, 246, 250, 3, 158, 7, 18, 29,
4533 40, 51, 62, 73, 85, 96, 107, 118,
4534 129, 140, 147, 148, 149, 150, 152, 153,
4535 255, 6, 8, 9, 10, 11, 12, 13,
4536 14, 15, 24, 25, 26, 27, 28, 226,
4537 29, 30, 31, 32, 33, 43, 44, 45,
4538 46, 47, 48, 49, 50, 76, 77, 78,
4539 79, 80, 81, 82, 83, 84, 85, 86,
4540 87, 94, 95, 234, 181, 233, 187, 190,
4541 180, 96, 97, 98, 99, 100, 101, 102,
4542 104, 112, 182, 174, 236, 232, 229, 103,
4543 228, 226, 114, 115, 116, 117, 118, 119,
4544 120, 121, 122, 235, 176, 230, 194, 162,
4545 130, 131, 132, 133, 134, 135, 136, 137,
4546 138, 139, 201, 205, 163, 217, 220, 224,
4547 5, 248, 227, 244, 242, 255, 241, 231,
4548 240, 253, 16, 197, 19, 20, 21, 187,
4549 23, 169, 210, 245, 237, 249, 247, 239,
4550 168, 252, 34, 196, 36, 37, 38, 39,
4551 41, 42, 251, 254, 238, 223, 221, 213,
4552 225, 177, 52, 53, 54, 55, 56, 57,
4553 58, 59, 60, 61, 63, 64, 65, 66,
4554 67, 68, 69, 70, 71, 72, 74, 75,
4555 205, 208, 186, 202, 200, 218, 198, 179,
4556 178, 214, 88, 89, 90, 91, 92, 93,
4557 217, 166, 170, 207, 199, 209, 206, 204,
4558 160, 212, 105, 106, 108, 109, 110, 111,
4559 203, 113, 216, 215, 192, 175, 193, 243,
4560 172, 161, 123, 124, 125, 126, 127, 128,
4561 222, 219, 211, 195, 188, 193, 185, 184,
4562 191, 183, 141, 142, 143, 144, 145, 146
4563};
4564#else /* ascii rather than ebcdic */
22c35a8c 4565EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4566 1, 2, 84, 151, 154, 155, 156, 157,
4567 165, 246, 250, 3, 158, 7, 18, 29,
4568 40, 51, 62, 73, 85, 96, 107, 118,
4569 129, 140, 147, 148, 149, 150, 152, 153,
4570 255, 182, 224, 205, 174, 176, 180, 217,
4571 233, 232, 236, 187, 235, 228, 234, 226,
4572 222, 219, 211, 195, 188, 193, 185, 184,
4573 191, 183, 201, 229, 181, 220, 194, 162,
4574 163, 208, 186, 202, 200, 218, 198, 179,
4575 178, 214, 166, 170, 207, 199, 209, 206,
4576 204, 160, 212, 216, 215, 192, 175, 173,
4577 243, 172, 161, 190, 203, 189, 164, 230,
4578 167, 248, 227, 244, 242, 255, 241, 231,
4579 240, 253, 169, 210, 245, 237, 249, 247,
4580 239, 168, 252, 251, 254, 238, 223, 221,
4581 213, 225, 177, 197, 171, 196, 159, 4,
4582 5, 6, 8, 9, 10, 11, 12, 13,
4583 14, 15, 16, 17, 19, 20, 21, 22,
4584 23, 24, 25, 26, 27, 28, 30, 31,
4585 32, 33, 34, 35, 36, 37, 38, 39,
4586 41, 42, 43, 44, 45, 46, 47, 48,
4587 49, 50, 52, 53, 54, 55, 56, 57,
4588 58, 59, 60, 61, 63, 64, 65, 66,
4589 67, 68, 69, 70, 71, 72, 74, 75,
4590 76, 77, 78, 79, 80, 81, 82, 83,
4591 86, 87, 88, 89, 90, 91, 92, 93,
4592 94, 95, 97, 98, 99, 100, 101, 102,
4593 103, 104, 105, 106, 108, 109, 110, 111,
4594 112, 113, 114, 115, 116, 117, 119, 120,
4595 121, 122, 123, 124, 125, 126, 127, 128,
4596 130, 131, 132, 133, 134, 135, 136, 137,
4597 138, 139, 141, 142, 143, 144, 145, 146
4598};
9d116dd7 4599#endif
79072805 4600#else
22c35a8c 4601EXTCONST unsigned char PL_freq[];
79072805
LW		 4602#endif
4603
b0812ba3
DM		 4604/* Although only used for debugging, these constants must be available in
4605 * non-debugging builds too, since they're used in ext/re/re_exec.c,
4606 * which has DEBUGGING enabled always */
8990e307 4607#ifdef DOINIT
27da23d5 4608EXTCONST char* const PL_block_type[] = {
8990e307 4609 "NULL",
d01136d6 4610 "WHEN",
8990e307 4611 "BLOCK",
0d863452 4612 "GIVEN",
d01136d6
BS		 4613 "LOOP_FOR",
4614 "LOOP_PLAIN",
4615 "LOOP_LAZYSV",
4616 "LOOP_LAZYIV",
76753e7f
NC		 4617 "SUB",
4618 "FORMAT",
4619 "EVAL",
4620 "SUBST"
8990e307
LW		 4621};
4622#else
22c35a8c 4623EXTCONST char* PL_block_type[];
8990e307 4624#endif
8990e307 4625
b75885fd
NC		 4626/* These are all the compile time options that affect binary compatibility.
4627 Other compile time options that are binary compatible are in perl.c
4628 Both are combined for the output of perl -V
4629 However, this string will be embedded in any shared perl library, which will
4630 allow us add a comparison check in perlmain.c in the near future. */
4631#ifdef DOINIT
4632EXTCONST char PL_bincompat_options[] =
4633# ifdef DEBUG_LEAKING_SCALARS
4634 " DEBUG_LEAKING_SCALARS"
4635# endif
4636# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4637 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4638# endif
4639# ifdef FAKE_THREADS
4640 " FAKE_THREADS"
4641# endif
eba804b9
NC		 4642# ifdef FCRYPT
4643 " FCRYPT"
4644# endif
4645# ifdef HAS_TIMES
4646 " HAS_TIMES"
4647# endif
4648# ifdef HAVE_INTERP_INTERN
426f6eb2 4649 " HAVE_INTERP_INTERN"
eba804b9 4650# endif
b75885fd
NC		 4651# ifdef MULTIPLICITY
4652 " MULTIPLICITY"
4653# endif
4654# ifdef MYMALLOC
4655 " MYMALLOC"
4656# endif
eba804b9
NC		 4657# ifdef PERLIO_LAYERS
4658 " PERLIO_LAYERS"
4659# endif
b75885fd
NC		 4660# ifdef PERL_DEBUG_READONLY_OPS
4661 " PERL_DEBUG_READONLY_OPS"
4662# endif
4663# ifdef PERL_GLOBAL_STRUCT
4664 " PERL_GLOBAL_STRUCT"
4665# endif
4666# ifdef PERL_IMPLICIT_CONTEXT
4667 " PERL_IMPLICIT_CONTEXT"
4668# endif
4669# ifdef PERL_IMPLICIT_SYS
4670 " PERL_IMPLICIT_SYS"
4671# endif
4672# ifdef PERL_MAD
4673 " PERL_MAD"
4674# endif
eba804b9
NC		 4675# ifdef PERL_MICRO
4676 " PERL_MICRO"
4677# endif
b75885fd
NC		 4678# ifdef PERL_NEED_APPCTX
4679 " PERL_NEED_APPCTX"
4680# endif
4681# ifdef PERL_NEED_TIMESBASE
4682 " PERL_NEED_TIMESBASE"
4683# endif
4684# ifdef PERL_OLD_COPY_ON_WRITE
4685 " PERL_OLD_COPY_ON_WRITE"
4686# endif
4687# ifdef PERL_POISON
4688 " PERL_POISON"
4689# endif
4690# ifdef PERL_TRACK_MEMPOOL
4691 " PERL_TRACK_MEMPOOL"
4692# endif
4693# ifdef PERL_USES_PL_PIDSTATUS
4694 " PERL_USES_PL_PIDSTATUS"
4695# endif
b75885fd
NC		 4696# ifdef USE_64_BIT_ALL
4697 " USE_64_BIT_ALL"
4698# endif
4699# ifdef USE_64_BIT_INT
4700 " USE_64_BIT_INT"
4701# endif
c7b392fa
NC		 4702# ifdef USE_IEEE
4703 " USE_IEEE"
4704# endif
b75885fd
NC		 4705# ifdef USE_ITHREADS
4706 " USE_ITHREADS"
4707# endif
4708# ifdef USE_LARGE_FILES
4709 " USE_LARGE_FILES"
4710# endif
eba804b9
NC		 4711# ifdef USE_LOCALE_COLLATE
4712 " USE_LOCALE_COLLATE"
4713# endif
4714# ifdef USE_LOCALE_NUMERIC
4715 " USE_LOCALE_NUMERIC"
4716# endif
b75885fd
NC		 4717# ifdef USE_LONG_DOUBLE
4718 " USE_LONG_DOUBLE"
4719# endif
4720# ifdef USE_PERLIO
4721 " USE_PERLIO"
4722# endif
4723# ifdef USE_REENTRANT_API
4724 " USE_REENTRANT_API"
4725# endif
4726# ifdef USE_SFIO
4727 " USE_SFIO"
4728# endif
4729# ifdef USE_SOCKS
4730 " USE_SOCKS"
4731# endif
4f575702
CB		 4732# ifdef VMS_DO_SOCKETS
4733 " VMS_DO_SOCKETS"
4f575702 4734# endif
e8b231c6
CB		 4735# ifdef VMS_SHORTEN_LONG_SYMBOLS
4736 " VMS_SHORTEN_LONG_SYMBOLS"
4737# endif
ad5e438d
NC		 4738# ifdef VMS_WE_ARE_CASE_SENSITIVE
4739 " VMS_SYMBOL_CASE_AS_IS"
4740# endif
a68dd89e 4741 "";
b75885fd
NC		 4742#else
4743EXTCONST char PL_bincompat_options[];
4744#endif
4745
ca7b837b
SM		 4746#ifndef PERL_SET_PHASE
4747# define PERL_SET_PHASE(new_phase) \
cb3f8189 4748 PHASE_CHANGE_PROBE(PL_phase_names[new_phase], PL_phase_names[PL_phase]); \
ca7b837b
SM		 4749 PL_phase = new_phase;
4750#endif
4751
9ebf26ad
FR		 4752/* The interpreter phases. If these ever change, PL_phase_names right below will
4753 * need to be updated accordingly. */
4754enum perl_phase {
4755 PERL_PHASE_CONSTRUCT = 0,
4756 PERL_PHASE_START = 1,
4757 PERL_PHASE_CHECK = 2,
4758 PERL_PHASE_INIT = 3,
4759 PERL_PHASE_RUN = 4,
4760 PERL_PHASE_END = 5,
4761 PERL_PHASE_DESTRUCT = 6
4762};
4763
4764#ifdef DOINIT
4765EXTCONST char *const PL_phase_names[] = {
4766 "CONSTRUCT",
4767 "START",
4768 "CHECK",
4769 "INIT",
4770 "RUN",
4771 "END",
4772 "DESTRUCT"
4773};
4774#else
4775EXTCONST char *const PL_phase_names[];
4776#endif
4777
627364f1
FR		 4778#ifndef PERL_CORE
4779/* Do not use this macro. It only exists for extensions that rely on PL_dirty
4780 * instead of using the newer PL_phase, which provides everything PL_dirty
4781 * provided, and more. */
4782# define PL_dirty (PL_phase == PERL_PHASE_DESTRUCT)
66978156
FC		 4783
4784# define PL_amagic_generation PL_na
627364f1
FR		 4785#endif /* !PERL_CORE */
4786
73c4f7a1
GS		 4787END_EXTERN_C
4788
79072805
LW		 4789/*****************************************************************************/
4790/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4791/*****************************************************************************/
8990e307 4792/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4793
d4c3c482 4794#ifdef __Lynx__
9cffb111
OS		 4795/* LynxOS defines these in scsi.h which is included via ioctl.h */
4796#ifdef FORMAT
4797#undef FORMAT
4798#endif
4799#ifdef SPACE
4800#undef SPACE
4801#endif
d4c3c482 4802#endif
9cffb111 4803
fb73857a 4804#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4805
79072805
LW		 4806typedef enum {
4807 XOPERATOR,
4808 XTERM,
79072805 4809 XREF,
8990e307 4810 XSTATE,
a0d0e21e 4811 XBLOCK,
09bef843
SB		 4812 XATTRBLOCK,
4813 XATTRTERM,
6f33ba73
RGS		 4814 XTERMBLOCK,
4815 XTERMORDORDOR /* evil hack */
27308ded 4816 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4817} expectation;
4818
d5ec2987
NC		 4819/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4820 special and there is no need for HINT_PRIVATE_MASK for COPs
4821 However, bitops store HINT_INTEGER in their op_private. */
9cfe5470
RGS		 4822#define HINT_INTEGER 0x00000001 /* integer pragma */
4823#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4824#define HINT_LOCALE 0x00000004 /* locale pragma */
4825#define HINT_BYTES 0x00000008 /* bytes pragma */
66cbab2c 4826#define HINT_LOCALE_NOT_CHARS 0x00000010 /* locale ':not_characters' pragma */
894ea76b
FC		 4827
4828#define HINT_EXPLICIT_STRICT_REFS 0x00000020 /* strict.pm */
4829#define HINT_EXPLICIT_STRICT_SUBS 0x00000040 /* strict.pm */
4830#define HINT_EXPLICIT_STRICT_VARS 0x00000080 /* strict.pm */
85e6fe83
LW		 4831
4832#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4833#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4834#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
1863b879 4835#define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */
85e6fe83 4836
9cfe5470 4837/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4838#define HINT_NEW_INTEGER 0x00001000
4839#define HINT_NEW_FLOAT 0x00002000
4840#define HINT_NEW_BINARY 0x00004000
4841#define HINT_NEW_STRING 0x00008000
4842#define HINT_NEW_RE 0x00010000
4843#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 4844#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4845#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 4846
9cfe5470
RGS		 4847#define HINT_RE_TAINT 0x00100000 /* re pragma */
4848#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4849
9cfe5470
RGS		 4850#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4851#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4852
e46c382e
YK		 4853#define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
4854
1e215989
FC		 4855#define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */
4856
a803b9b4
FC		 4857#define HINT_FEATURE_MASK 0x1c000000 /* 3 bits for feature bundles */
4858
894ea76b
FC		 4859 /* Note: Used for NATIVE_HINTS, currently
4860 defined by vms/vmsish.h:
4861 0x40000000
4862 0x80000000
4863 */
d1718a7c 4864
0239f47c 4865/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4866#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4867#define HINT_SORT_QUICKSORT 0x00000001
4868#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4869#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4870
8bfdd7d9 4871/* Various states of the input record separator SV (rs) */
d4cce5f1 4872#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4873#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4874#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4875#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4876
128e8167 4877/* A struct for keeping various DEBUGGING related stuff,
ce333219 4878 * neatly packed. Currently only scratch variables for
128e8167
JH		 4879 * constructing debug output are included. Needed always,
4880 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4881struct perl_debug_pad {
4882 SV pad[3];
4883};
4884
4885#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4886#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4887 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4888 PERL_DEBUG_PAD(i))
ce333219 4889
56953603 4890/* Enable variables which are pointers to functions */
16c91539
BM		 4891typedef void (*peep_t)(pTHX_ OP* o);
4892typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm);
4893typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg,
0cb96387
GS		 4894 char* strend, char* strbeg, I32 minend,
4895 SV* screamer, void* data, U32 flags);
16c91539 4896typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv,
f722798b
IZ		 4897 char *strpos, char *strend,
4898 U32 flags,
9f61653a 4899 re_scream_pos_data *d);
16c91539
BM		 4900typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog);
4901typedef void (*regfree_t) (pTHX_ struct regexp* r);
4902typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param);
a932d541 4903typedef I32 (*re_fold_t)(const char *, char const *, I32);
56953603 4904
c76ac1ee 4905typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc 4906typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
f30de749 4907typedef void (*SVFUNC_t) (pTHX_ SV* const);
31e9e0a3 4908typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
acfe0abc
GS		 4909typedef void (*XSINIT_t) (pTHX);
4910typedef void (*ATEXIT_t) (pTHX_ void*);
4911typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4912
16c91539
BM		 4913typedef OP* (*Perl_ppaddr_t)(pTHX);
4914typedef OP* (*Perl_check_t) (pTHX_ OP*);
4915typedef void(*Perl_ophook_t)(pTHX_ OP*);
4916typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**);
1830b3d9 4917typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *);
88e1f1a2 4918
d67594ff
FC		 4919typedef void(*globhook_t)(pTHX);
4920
88e1f1a2
JV		 4921#define KEYWORD_PLUGIN_DECLINE 0
4922#define KEYWORD_PLUGIN_STMT 1
4923#define KEYWORD_PLUGIN_EXPR 2
22239a37 4924
58a50f62
GS		 4925/* Interpreter exitlist entry */
4926typedef struct exitlistentry {
acfe0abc 4927 void (*fn) (pTHX_ void*);
58a50f62
GS		 4928 void *ptr;
4929} PerlExitListEntry;
4930
aadb217d
JH		 4931/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4932/* These have to be before perlvars.h */
4933#if !defined(HAS_SIGACTION) && defined(VMS)
4934# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4935#endif
4936/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4937#if defined(KILL_BY_SIGPRC)
4938# define FAKE_DEFAULT_SIGNAL_HANDLERS
4939#endif
4940
8c1cc017
NC		 4941#if !defined(MULTIPLICITY)
4942
4943struct interpreter {
4944 char broiled;
22239a37
NIS		 4945};
4946
8c1cc017 4947#else
22239a37 4948
d460ef45 4949/* If we have multiple interpreters define a struct
d4cce5f1 4950 holding variables which must be per-interpreter
d460ef45 4951 If we don't have threads anything that would have
d4cce5f1
NIS		 4952 be per-thread is per-interpreter.
4953*/
4954
8c1cc017 4955/* Set up PERLVAR macros for populating structs */
115ff745
NC		 4956# define PERLVAR(prefix,var,type) type prefix##var;
4957# define PERLVARA(prefix,var,n,type) type prefix##var[n];
4958# define PERLVARI(prefix,var,type,init) type prefix##var;
4959# define PERLVARIC(prefix,var,type,init) type prefix##var;
8c1cc017 4960
79072805 4961struct interpreter {
7766f137 4962# include "intrpvar.h"
49f531da 4963};
d4cce5f1 4964
724cf8d6
NC		 4965EXTCONST U16 PL_interp_size
4966 INIT(sizeof(struct interpreter));
4967
4968# define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \
4969 STRUCT_OFFSET(struct interpreter, member) + \
4970 sizeof(((struct interpreter*)0)->member)
4971
4972/* This will be useful for subsequent releases, because this has to be the
4973 same in your libperl as in main(), else you have a mismatch and must abort.
4974*/
4975EXTCONST U16 PL_interp_size_5_16_0
4976 INIT(PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_16_0_INTERP_MEMBER));
4977
4978
8c1cc017
NC		 4979# ifdef PERL_GLOBAL_STRUCT
4980/* MULTIPLICITY is automatically defined when PERL_GLOBAL_STRUCT is defined,
4981 hence it's safe and sane to nest this within #ifdef MULTIPLICITY */
4982
4983struct perl_vars {
4984# include "perlvars.h"
49f531da 4985};
8c1cc017 4986
724cf8d6
NC		 4987EXTCONST U16 PL_global_struct_size
4988 INIT(sizeof(struct perl_vars));
4989
8c1cc017
NC		 4990# ifdef PERL_CORE
4991# ifndef PERL_GLOBAL_STRUCT_PRIVATE
4992EXT struct perl_vars PL_Vars;
4993EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
4994# undef PERL_GET_VARS
4995# define PERL_GET_VARS() PL_VarsPtr
4996# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
4997# else /* PERL_CORE */
4998# if !defined(__GNUC__) || !defined(WIN32)
4999EXT
5000# endif /* WIN32 */
5001struct perl_vars *PL_VarsPtr;
5002# define PL_Vars (*((PL_VarsPtr) \
5003 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
5004# endif /* PERL_CORE */
5005# endif /* PERL_GLOBAL_STRUCT */
79072805 5006
22239a37 5007/* Done with PERLVAR macros for now ... */
8c1cc017
NC		 5008# undef PERLVAR
5009# undef PERLVARA
5010# undef PERLVARI
5011# undef PERLVARIC
8c1cc017
NC		 5012
5013#endif /* MULTIPLICITY */
79072805 5014
f7fe979e 5015struct tempsym; /* defined in pp_pack.c */
49704364 5016
22239a37 5017#include "thread.h"
79072805 5018#include "pp.h"
864dbfa3
GS		 5019
5020#ifndef PERL_CALLCONV
a0c21aa1
JH		 5021# ifdef __cplusplus
5022# define PERL_CALLCONV extern "C"
5023# else
5024# define PERL_CALLCONV
5025# endif
d460ef45 5026#endif
12a2785c
DD		 5027#ifndef PERL_CALLCONV_NO_RET
5028# define PERL_CALLCONV_NO_RET PERL_CALLCONV
5029#endif
5030
0cb96387
GS		 5031#undef PERL_CKDEF
5032#undef PERL_PPDEF
0159f81b
JH		 5033#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
5034#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 5035
158cfab6
JD		 5036#ifdef MYMALLOC
5037# include "malloc_ctl.h"
5038#endif
5039
7766f137 5040#include "proto.h"
864dbfa3 5041
0cb96387 5042/* this has structure inits, so it cannot be included before here */
acfe0abc 5043#include "opcode.h"
864dbfa3 5044
d4cce5f1
NIS		 5045/* The following must follow proto.h as #defines mess up syntax */
5046
22c35a8c
GS		 5047#if !defined(PERL_FOR_X2P)
5048# include "embedvar.h"
5049#endif
598921a7
NC		 5050#ifndef PERL_MAD
5051# undef PL_madskills
5052# undef PL_xmlfp
5053# define PL_madskills 0
5054# define PL_xmlfp 0
5055#endif
d4cce5f1 5056
d460ef45 5057/* Now include all the 'global' variables
d4cce5f1 5058 * If we don't have threads or multiple interpreters
d460ef45 5059 * these include variables that would have been their struct-s
d4cce5f1 5060 */
d460ef45 5061
115ff745
NC		 5062#define PERLVAR(prefix,var,type) EXT type PL_##var;
5063#define PERLVARA(prefix,var,n,type) EXT type PL_##var[n];
5064#define PERLVARI(prefix,var,type,init) EXT type PL_##var INIT(init);
5065#define PERLVARIC(prefix,var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 5066
acfe0abc 5067#if !defined(MULTIPLICITY)
7766f137 5068START_EXTERN_C
066ef5b5 5069# include "intrpvar.h"
7766f137 5070END_EXTERN_C
22239a37
NIS		 5071#endif
5072
24792b8d
NC		 5073#ifdef PERL_CORE
5074/* All core uses now exterminated. Ensure no zombies can return: */
5075# undef PL_na
5076#endif
5077
f9293c5b
NC		 5078/* Now all the config stuff is setup we can include embed.h
5079 In particular, need the relevant *ish file included already, as it may
5080 define HAVE_INTERP_INTERN */
5081#include "embed.h"
5082#ifndef PERL_MAD
5083# undef op_getmad
5084# define op_getmad(arg,pegop,slot) NOOP
acfe0abc 5085#endif
22239a37 5086
c5be433b
GS		 5087#ifndef PERL_GLOBAL_STRUCT
5088START_EXTERN_C
5089
5090# include "perlvars.h"
5091
5092END_EXTERN_C
5093#endif
5094
d4cce5f1 5095#undef PERLVAR
51371543 5096#undef PERLVARA
d4cce5f1 5097#undef PERLVARI
0f3f18a6 5098#undef PERLVARIC
79072805 5099
73c4f7a1
GS		 5100START_EXTERN_C
5101
af2f0da9
NC		 5102/* dummy variables that hold pointers to both runops functions, thus forcing
5103 * them *both* to get linked in (useful for Peek.xs, debugging etc) */
5104
5105EXTCONST runops_proc_t PL_runops_std
5106 INIT(Perl_runops_standard);
5107EXTCONST runops_proc_t PL_runops_dbg
5108 INIT(Perl_runops_debug);
5109
bc028b6b
JH		 5110/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
5111 * magic vtables const, but this is incompatible with SWIG which
5112 * does want to modify the vtables. */
5113#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5114# define EXT_MGVTBL EXTCONST MGVTBL
5115#else
5116# define EXT_MGVTBL EXT MGVTBL
5117#endif
5118
82ff486e 5119#define PERL_MAGIC_READONLY_ACCEPTABLE 0x40
e0a73de4
NC		 5120#define PERL_MAGIC_VALUE_MAGIC 0x80
5121#define PERL_MAGIC_VTABLE_MASK 0x3F
82ff486e
NC		 5122#define PERL_MAGIC_TYPE_READONLY_ACCEPTABLE(t) \
5123 (PL_magic_data[(U8)(t)] & PERL_MAGIC_READONLY_ACCEPTABLE)
e0a73de4
NC		 5124#define PERL_MAGIC_TYPE_IS_VALUE_MAGIC(t) \
5125 (PL_magic_data[(U8)(t)] & PERL_MAGIC_VALUE_MAGIC)
5126
8b09643d 5127#include "mg_vtable.h"
6f83ef0e
NC		 5128
5129#ifdef DOINIT
5130EXTCONST U8 PL_magic_data[256] =
dde5ec2c
NC		 5131# ifdef PERL_MICRO
5132# include "umg_data.h"
5133# else
5134# include "mg_data.h"
5135# endif
6f83ef0e
NC		 5136;
5137#else
5138EXTCONST U8 PL_magic_data[256];
5139#endif
5140
f1fb8741
DM		 5141#ifdef DOINIT
5142 /* NL BD IV NV PV PI PN MG RX GV LV AV HV CV FM IO */
5143EXTCONST bool
5144PL_valid_types_IVX[] = { 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
5145EXTCONST bool
5146PL_valid_types_NVX[] = { 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
5147EXTCONST bool
5148PL_valid_types_PVX[] = { 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1 };
5149EXTCONST bool
5150PL_valid_types_RV[] = { 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1 };
5151EXTCONST bool
5152PL_valid_types_IV_set[] = { 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1 };
5153EXTCONST bool
5154PL_valid_types_NV_set[] = { 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 };
5155
5156#else
5157
5158EXTCONST bool PL_valid_types_IVX[];
5159EXTCONST bool PL_valid_types_NVX[];
5160EXTCONST bool PL_valid_types_PVX[];
5161EXTCONST bool PL_valid_types_RV[];
5162EXTCONST bool PL_valid_types_IV_set[];
5163EXTCONST bool PL_valid_types_NV_set[];
5164
5165#endif
5166
5167
bab3dc31 5168#include "overload.h"
a0d0e21e 5169
73c4f7a1
GS		 5170END_EXTERN_C
5171
a6006777 5172struct am_table {
8978b4ac
NC		 5173 U8 flags;
5174 U8 fallback;
5175 U16 spare;
eb160463 5176 U32 was_ok_sub;
9bd87817 5177 CV* table[NofAMmeth];
a0d0e21e 5178};
a6006777 5179struct am_table_short {
8978b4ac
NC		 5180 U8 flags;
5181 U8 fallback;
5182 U16 spare;
eb160463 5183 U32 was_ok_sub;
a6006777 5184};
a0d0e21e 5185typedef struct am_table AMT;
a6006777 5186typedef struct am_table_short AMTS;
a0d0e21e
LW		 5187
5188#define AMGfallNEVER 1
5189#define AMGfallNO 2
5190#define AMGfallYES 3
5191
a6006777 5192#define AMTf_AMAGIC 1
32251b26 5193#define AMTf_OVERLOADED 2
a6006777 5194#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5195#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5196#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 5197#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
5198#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
5199#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 5200
32251b26 5201#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5202
5203/*
5204 * some compilers like to redefine cos et alia as faster
5205 * (and less accurate?) versions called F_cos et cetera (Quidquid
5206 * latine dictum sit, altum viditur.) This trick collides with
5207 * the Perl overloading (amg). The following #defines fool both.
5208 */
5209
5210#ifdef _FASTMATH
5211# ifdef atan2
5212# define F_atan2_amg atan2_amg
5213# endif
5214# ifdef cos
5215# define F_cos_amg cos_amg
5216# endif
5217# ifdef exp
5218# define F_exp_amg exp_amg
5219# endif
5220# ifdef log
5221# define F_log_amg log_amg
5222# endif
5223# ifdef pow
5224# define F_pow_amg pow_amg
5225# endif
5226# ifdef sin
5227# define F_sin_amg sin_amg
5228# endif
5229# ifdef sqrt
5230# define F_sqrt_amg sqrt_amg
5231# endif
5232#endif /* _FASTMATH */
5233
83ee9e09
GS		 5234#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5235 PERLDBf_NOOPT | PERLDBf_INTER | \
5236 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
b8fcbefe
NC		 5237 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5238 PERLDBf_SAVESRC)
925cfbb8 5239 /* No _NONAME, _GOTO */
83ee9e09
GS		 5240#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5241#define PERLDBf_LINE 0x02 /* Keep line # */
5242#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5243#define PERLDBf_INTER 0x08 /* Preserve more data for
5244 later inspections */
5245#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5246#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5247#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5248#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5249#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5250#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
b8fcbefe 5251#define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
486ec47a 5252#define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */
c30d8139 5253#define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
84902520 5254
3280af22
NIS		 5255#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5256#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5257#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5258#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5259#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5260#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5261#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5262#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5263#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5264#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
b8fcbefe 5265#define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC))
c30d8139
NC		 5266#define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS))
5267#define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID))
bbce6d69 5268
36477c24 5269#ifdef USE_LOCALE_NUMERIC
bbce6d69 5270
36477c24 5271#define SET_NUMERIC_STANDARD() \
ff4fed7c 5272 set_numeric_standard();
36477c24 5273
5274#define SET_NUMERIC_LOCAL() \
ff4fed7c 5275 set_numeric_local();
bbce6d69 5276
66cbab2c
KW		 5277/* Returns non-zero If the plain locale pragma without a parameter is in effect
5278 */
a98fe34d 5279#define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE)
66cbab2c
KW		 5280
5281/* Returns non-zero If either form of the locale pragma is in effect */
5282#define IN_SOME_LOCALE_FORM_RUNTIME \
5283 (CopHINTS_get(PL_curcop) & (HINT_LOCALE|HINT_LOCALE_NOT_CHARS))
5284
2de3dbcc 5285#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
66cbab2c
KW		 5286#define IN_SOME_LOCALE_FORM_COMPILETIME \
5287 (PL_hints & (HINT_LOCALE|HINT_LOCALE_NOT_CHARS))
2de3dbcc
JH		 5288
5289#define IN_LOCALE \
923e4eb5 5290 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
66cbab2c
KW		 5291#define IN_SOME_LOCALE_FORM \
5292 (IN_PERL_COMPILETIME ? IN_SOME_LOCALE_FORM_COMPILETIME \
5293 : IN_SOME_LOCALE_FORM_RUNTIME)
2de3dbcc 5294
f93f4e46 5295#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 5296 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 5297 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 5298
5299#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 5300 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 5301 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 5302
5303#define RESTORE_NUMERIC_LOCAL() \
5304 if (was_local) SET_NUMERIC_LOCAL();
5305
5306#define RESTORE_NUMERIC_STANDARD() \
5307 if (was_standard) SET_NUMERIC_STANDARD();
5308
5b877257 5309#define Atof my_atof
097ee67d 5310
36477c24 5311#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5312
097ee67d
JH		 5313#define SET_NUMERIC_STANDARD() /**/
5314#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5315#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5316#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5317#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 5318#define RESTORE_NUMERIC_LOCAL() /**/
5319#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 5320#define Atof my_atof
ad3e0f90 5321#define IN_LOCALE_RUNTIME 0
bbce6d69 5322
36477c24 5323#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5324
079290de 5325#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5326# ifdef __hpux
5327# define strtoll __strtoll /* secret handshake */
5328# endif
c623ac67
GS		 5329# ifdef WIN64
5330# define strtoll _strtoi64 /* secret handshake */
5331# endif
079290de
GS		 5332# if !defined(Strtol) && defined(HAS_STRTOLL)
5333# define Strtol strtoll
ad551343 5334# endif
28e5dec8
JH		 5335# if !defined(Strtol) && defined(HAS_STRTOQ)
5336# define Strtol strtoq
5337# endif
ff935051 5338/* is there atoq() anywhere? */
15b99d39 5339#endif
079290de
GS		 5340#if !defined(Strtol) && defined(HAS_STRTOL)
5341# define Strtol strtol
5342#endif
5343#ifndef Atol
5344/* It would be more fashionable to use Strtol() to define atol()
5345 * (as is done for Atoul(), see below) but for backward compatibility
5346 * we just assume atol(). */
76b882ba 5347# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 5348# ifdef WIN64
5349# define atoll _atoi64 /* secret handshake */
5350# endif
76b882ba
JH		 5351# define Atol atoll
5352# else
5353# define Atol atol
5354# endif
cf2093f6
JH		 5355#endif
5356
55eb892c 5357#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5358# ifdef __hpux
5359# define strtoull __strtoull /* secret handshake */
5360# endif
c623ac67
GS		 5361# ifdef WIN64
5362# define strtoull _strtoui64 /* secret handshake */
5363# endif
ad551343 5364# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5365# define Strtoul strtoull
15b99d39 5366# endif
079290de
GS		 5367# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5368# define Strtoul strtouq
5369# endif
76d49b1c 5370/* is there atouq() anywhere? */
ad551343 5371#endif
079290de
GS		 5372#if !defined(Strtoul) && defined(HAS_STRTOUL)
5373# define Strtoul strtoul
cf2093f6 5374#endif
a5523c5b
JH		 5375#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5376# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5377#endif
079290de 5378#ifndef Atoul
d4c19fe8 5379# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5380#endif
cf2093f6 5381
760ac839 5382
06d86050
GS		 5383/* if these never got defined, they need defaults */
5384#ifndef PERL_SET_CONTEXT
5385# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5386#endif
5387
5388#ifndef PERL_GET_CONTEXT
5389# define PERL_GET_CONTEXT PERL_GET_INTERP
5390#endif
5391
5392#ifndef PERL_GET_THX
5393# define PERL_GET_THX ((void*)NULL)
5394#endif
5395
5396#ifndef PERL_SET_THX
5397# define PERL_SET_THX(t) NOOP
5398#endif
5399
a868473f
NIS		 5400#ifndef PERL_SCRIPT_MODE
5401#define PERL_SCRIPT_MODE "r"
5402#endif
5403
fba3b22e 5404/*
da927450
JH		 5405 * Some operating systems are stingy with stack allocation,
5406 * so perl may have to guard against stack overflow.
5407 */
5408#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5409#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5410#endif
5411
5412/*
5413 * Some nonpreemptive operating systems find it convenient to
5414 * check for asynchronous conditions after each op execution.
5415 * Keep this check simple, or it may slow down execution
5416 * massively.
5417 */
ce08f86c 5418
1d615522 5419#ifndef PERL_MICRO
4ffa73a3 5420# ifndef PERL_ASYNC_CHECK
16c91539 5421# define PERL_ASYNC_CHECK() if (PL_sig_pending) PL_signalhook(aTHX)
4ffa73a3 5422# endif
ce08f86c
NIS		 5423#endif
5424
da927450 5425#ifndef PERL_ASYNC_CHECK
1d615522 5426# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5427#endif
5428
5429/*
5430 * On some operating systems, a memory allocation may succeed,
5431 * but put the process too close to the system's comfort limit.
5432 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5433 * it to NULL.
5434 */
5435#ifndef PERL_ALLOC_CHECK
c2af87cb 5436#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5437#endif
5438
bd89102f
AD		 5439#ifdef HAS_SEM
5440# include <sys/ipc.h>
5441# include <sys/sem.h>
5442# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5443 union semun {
dbba660d
TC		 5444 int val;
5445 struct semid_ds *buf;
5446 unsigned short *array;
bd89102f
AD		 5447 };
5448# endif
5449# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5450# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5451 union gccbug_semun {
5452 int val;
5453 struct semid_ds *buf;
5454 unsigned short *array;
5455 char __dummy[5];
5456 };
5457# define semun gccbug_semun
5458# endif
bd89102f
AD		 5459# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5460# else
5461# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5462# ifdef EXTRA_F_IN_SEMUN_BUF
5463# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5464# else
5465# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5466# endif
bd89102f
AD		 5467# endif
5468# endif
bd89102f 5469#endif
49f531da 5470
89ca4ac7
JH		 5471/*
5472 * Boilerplate macros for initializing and accessing interpreter-local
5473 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 5474 * this, if you want to make the extension thread-safe. See
5475 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5476 * and perlxs.pod for more.
89ca4ac7
JH		 5477 *
5478 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5479 * 1. #define MY_CXT_KEY to a unique string, e.g.
5480 * "DynaLoader::_guts" XS_VERSION
f16dd614 5481 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5482 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5483 * all the data that needs to be interpreter-local.
5484 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5485 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5486 * (typically put in the BOOT: section).
5487 * 5. Use the members of the my_cxt_t structure everywhere as
5488 * MY_CXT.member.
5489 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5490 * access MY_CXT.
5491 */
5492
fc958cd2 5493#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 5494
4eddb856 5495/* START_MY_CXT must appear in all extensions that define a my_cxt_t structure,
53d44271
JH		 5496 * right after the definition (i.e. at file scope). The non-threads
5497 * case below uses it to declare the data as static. */
00ab59c9
DM		 5498# ifdef PERL_GLOBAL_STRUCT_PRIVATE
5499# define START_MY_CXT
5500# define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5501# define MY_CXT_INIT_ARG MY_CXT_KEY
5502# else
5503# define START_MY_CXT static int my_cxt_index = -1;
5504# define MY_CXT_INDEX my_cxt_index
5505# define MY_CXT_INIT_ARG &my_cxt_index
5506# endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
53d44271
JH		 5507
5508/* Creates and zeroes the per-interpreter data.
5509 * (We allocate my_cxtp in a Perl SV so that it will be released when
5510 * the interpreter goes away.) */
00ab59c9 5511# define MY_CXT_INIT \
53d44271 5512 my_cxt_t *my_cxtp = \
9f6df31a
Z		 5513 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
5514 PERL_UNUSED_VAR(my_cxtp)
00ab59c9 5515# define MY_CXT_INIT_INTERP(my_perl) \
53d44271 5516 my_cxt_t *my_cxtp = \
9f6df31a
Z		 5517 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
5518 PERL_UNUSED_VAR(my_cxtp)
53d44271
JH		 5519
5520/* This declaration should be used within all functions that use the
5521 * interpreter-local data. */
00ab59c9 5522# define dMY_CXT \
53d44271 5523 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
00ab59c9 5524# define dMY_CXT_INTERP(my_perl) \
53d44271
JH		 5525 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5526
5527/* Clones the per-interpreter data. */
00ab59c9 5528# define MY_CXT_CLONE \
53d44271
JH		 5529 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5530 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5531 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5532
53d44271 5533
89ca4ac7 5534/* This macro must be used to access members of the my_cxt_t structure.
870598ae 5535 * e.g. MY_CXT.some_data */
00ab59c9 5536# define MY_CXT (*my_cxtp)
89ca4ac7
JH		 5537
5538/* Judicious use of these macros can reduce the number of times dMY_CXT
5539 * is used. Use is similar to pTHX, aTHX etc. */
00ab59c9
DM		 5540# define pMY_CXT my_cxt_t *my_cxtp
5541# define pMY_CXT_ pMY_CXT,
5542# define _pMY_CXT ,pMY_CXT
5543# define aMY_CXT my_cxtp
5544# define aMY_CXT_ aMY_CXT,
5545# define _aMY_CXT ,aMY_CXT
89ca4ac7 5546
f16dd614 5547#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7 5548
00ab59c9
DM		 5549# define START_MY_CXT static my_cxt_t my_cxt;
5550# define dMY_CXT_SV dNOOP
5551# define dMY_CXT dNOOP
5552# define dMY_CXT_INTERP(my_perl) dNOOP
5553# define MY_CXT_INIT NOOP
5554# define MY_CXT_CLONE NOOP
5555# define MY_CXT my_cxt
5556
5557# define pMY_CXT void
5558# define pMY_CXT_
5559# define _pMY_CXT
5560# define aMY_CXT
5561# define aMY_CXT_
5562# define _aMY_CXT
89ca4ac7 5563
f16dd614 5564#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5565
9a34ef1d
GS		 5566#ifdef I_FCNTL
5567# include <fcntl.h>
9a34ef1d
GS		 5568#endif
5569
9cffb111
OS		 5570#ifdef __Lynx__
5571# include <fcntl.h>
5572#endif
5573
9a34ef1d
GS		 5574#ifdef I_SYS_FILE
5575# include <sys/file.h>
5576#endif
5577
fa0a29af 5578#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5579int flock(int fd, int op);
5580#endif
5581
fe52b3b7
GS		 5582#ifndef O_RDONLY
5583/* Assume UNIX defaults */
5584# define O_RDONLY 0000
5585# define O_WRONLY 0001
5586# define O_RDWR 0002
5587# define O_CREAT 0100
5588#endif
9a34ef1d 5589
16fe6d59
GS		 5590#ifndef O_BINARY
5591# define O_BINARY 0
5592#endif
5593
5594#ifndef O_TEXT
5595# define O_TEXT 0
5596#endif
5597
6ce75a77
JH		 5598#if O_TEXT != O_BINARY
5599 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5600 * that is, you are somehow DOSish. */
df00ff3b
IW		 5601# if defined(__BEOS__) || defined(__HAIKU__) || defined(__VOS__) || \
5602 defined(__CYGWIN__)
5603 /* BeOS/Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5604 * BeOS/Haiku is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5605 /* VOS has O_TEXT != O_BINARY, and they have effect,
5606 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5607 /* If you have O_TEXT different from your O_BINARY but you still are
5608 * not a CRLF shop. */
35990314 5609# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5610# else
5611 /* If you really are DOSish. */
5612# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5613# endif
5614#endif
5615
4bc88a62
PS		 5616#ifdef I_LIBUTIL
5617# include <libutil.h> /* setproctitle() in some FreeBSDs */
5618#endif
5619
b4748376 5620#ifndef EXEC_ARGV_CAST
360ea906 5621#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 5622#endif
5623
dd5dc04f
JH		 5624#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5625 int). value returned in pointed-
5626 to UV */
5627#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5628#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5629#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5630#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5631#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5632
5633#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5634
53305cf1
NC		 5635/* Input flags: */
5636#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5637#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5638#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
02470786
KW		 5639#define PERL_SCAN_SILENT_NON_PORTABLE 0x08 /* grok_??? not warn about very large
5640 numbers which are <= UV_MAX */
53305cf1
NC		 5641/* Output flags: */
5642#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5643
2c4f7f0e
DM		 5644/* to let user control profiling */
5645#ifdef PERL_GPROF_CONTROL
5646extern void moncontrol(int);
5647#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5648#else
5649#define PERL_GPROF_MONCONTROL(x)
5650#endif
5651
ae0e3d3b
JH		 5652#ifdef UNDER_CE
5653#include "wince.h"
5654#endif
5655
5656/* ISO 6429 NEL - C1 control NExt Line */
5657/* See http://www.unicode.org/unicode/reports/tr13/ */
5658#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
5659# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
5660# define NEXT_LINE_CHAR 0x15
5661# else /* CDRA */
5662# define NEXT_LINE_CHAR 0x25
5663# endif
5664#else
5665# define NEXT_LINE_CHAR 0x85
5666#endif
5667
5668/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5669#define UNICODE_LINE_SEPA_0 0xE2
5670#define UNICODE_LINE_SEPA_1 0x80
5671#define UNICODE_LINE_SEPA_2 0xA8
5672#define UNICODE_PARA_SEPA_0 0xE2
5673#define UNICODE_PARA_SEPA_1 0x80
5674#define UNICODE_PARA_SEPA_2 0xA9
5675
479b2847
GS		 5676#ifndef PIPESOCK_MODE
5677# define PIPESOCK_MODE
5678#endif
5679
460c8493
IZ		 5680#ifndef SOCKET_OPEN_MODE
5681# define SOCKET_OPEN_MODE PIPESOCK_MODE
5682#endif
5683
5684#ifndef PIPE_OPEN_MODE
5685# define PIPE_OPEN_MODE PIPESOCK_MODE
5686#endif
5687
7e8c5dac
HS		 5688#define PERL_MAGIC_UTF8_CACHESIZE 2
5689
a05d7ebb
JH		 5690#define PERL_UNICODE_STDIN_FLAG 0x0001
5691#define PERL_UNICODE_STDOUT_FLAG 0x0002
5692#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5693#define PERL_UNICODE_IN_FLAG 0x0008
5694#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5695#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5696#define PERL_UNICODE_LOCALE_FLAG 0x0040
5697#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 5698#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 5699
06e66572
JH		 5700#define PERL_UNICODE_STD_FLAG \
5701 (PERL_UNICODE_STDIN_FLAG | \
5702 PERL_UNICODE_STDOUT_FLAG | \
5703 PERL_UNICODE_STDERR_FLAG)
5704
5705#define PERL_UNICODE_INOUT_FLAG \
5706 (PERL_UNICODE_IN_FLAG | \
5707 PERL_UNICODE_OUT_FLAG)
5708
5709#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5710 (PERL_UNICODE_STD_FLAG | \
5711 PERL_UNICODE_INOUT_FLAG | \
5712 PERL_UNICODE_LOCALE_FLAG)
5713
5a22a2bb 5714#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 5715
5716#define PERL_UNICODE_STDIN 'I'
5717#define PERL_UNICODE_STDOUT 'O'
5718#define PERL_UNICODE_STDERR 'E'
5719#define PERL_UNICODE_STD 'S'
5720#define PERL_UNICODE_IN 'i'
5721#define PERL_UNICODE_OUT 'o'
5722#define PERL_UNICODE_INOUT 'D'
5723#define PERL_UNICODE_ARGV 'A'
5724#define PERL_UNICODE_LOCALE 'L'
5725#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 5726#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 5727
4ffa73a3
JH		 5728#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5729
32fdb065 5730/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5731 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5732#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5733
3c0f78ca
JH		 5734#if defined(__DECC) && defined(__osf__)
5735#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 5736#endif
5737
e4dba786
NC		 5738#define do_open(g, n, l, a, rm, rp, sf) \
5739 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 5740#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 5741# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 5742#endif
15871fce
NC		 5743#ifdef OS2
5744# define do_aexec Perl_do_aexec
5745#else
5746# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 5747#endif
e4dba786 5748
2f3efc97
JH		 5749#if defined(OEMVS)
5750#define NO_ENV_ARRAY_IN_MAIN
5751#endif
5752
00f254e2
KW		 5753/* These are used by Perl_pv_escape() and Perl_pv_pretty()
5754 * are here so that they are available throughout the core
10edeb5d
JH		 5755 * NOTE that even though some are for _escape and some for _pretty
5756 * there must not be any clashes as the flags from _pretty are
5757 * passed straight through to _escape.
5758 */
5759
5760#define PERL_PV_ESCAPE_QUOTE 0x0001
5761#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
5762
95b611b0 5763#define PERL_PV_PRETTY_ELLIPSES 0x0002
10edeb5d
JH		 5764#define PERL_PV_PRETTY_LTGT 0x0004
5765
5766#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
5767
00f254e2 5768#define PERL_PV_ESCAPE_UNI 0x0100
10edeb5d 5769#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
681f01c2 5770#define PERL_PV_ESCAPE_NONASCII 0x0400
10edeb5d
JH		 5771
5772#define PERL_PV_ESCAPE_ALL 0x1000
5773#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
5774#define PERL_PV_ESCAPE_NOCLEAR 0x4000
44a2ac75 5775#define PERL_PV_ESCAPE_RE 0x8000
10edeb5d 5776
881a015e
NC		 5777#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
5778
10edeb5d 5779/* used by pv_display in dump.c*/
95b611b0 5780#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
c89df6cf 5781#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII
10edeb5d
JH		 5782
5783/*
5784
5785 (KEEP THIS LAST IN perl.h!)
5786
5787 Mention
d460ef45 5788
43999f95 5789 NV_PRESERVES_UV
fe749a9f 5790
fe749a9f
JH		 5791 HAS_MKSTEMP
5792 HAS_MKSTEMPS
5793 HAS_MKDTEMP
5794
49dabb45
JH		 5795 HAS_GETCWD
5796
d59b5429 5797 HAS_MMAP
fe749a9f
JH		 5798 HAS_MPROTECT
5799 HAS_MSYNC
1e8c3fde 5800 HAS_MADVISE
fe749a9f
JH		 5801 HAS_MUNMAP
5802 I_SYSMMAN
5803 Mmap_t
5804
6b4667fc
A		 5805 NVef
5806 NVff
5807 NVgf
5808
4e0554ec 5809 HAS_UALARM
2d736872 5810 HAS_USLEEP
4e0554ec
JH		 5811
5812 HAS_SETITIMER
5813 HAS_GETITIMER
5814
5815 HAS_SENDMSG
5816 HAS_RECVMSG
5817 HAS_READV
5818 HAS_WRITEV
5819 I_SYSUIO
5820 HAS_STRUCT_MSGHDR
5821 HAS_STRUCT_CMSGHDR
5822
2765b840 5823 HAS_NL_LANGINFO
0a7020c9 5824
ae0e3d3b 5825 HAS_DIRFD
2765b840 5826
10edeb5d 5827 so that Configure picks them up.
ab3bbdeb 5828
10edeb5d 5829 (KEEP THIS LAST IN perl.h!)
3df15adc 5830
10edeb5d 5831*/
3df15adc 5832
85e6fe83 5833#endif /* Include guard */
e9a8c099
MHM		 5834
5835/*
5836 * Local variables:
5837 * c-indentation-style: bsd
5838 * c-basic-offset: 4
14d04a33 5839 * indent-tabs-mode: nil
e9a8c099
MHM		 5840 * End:
5841 *
14d04a33 5842 * ex: set ts=8 sts=4 sw=4 et:
e9a8c099 5843 */
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