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Nicer fix than #33106 (thanks to Nicholas Clark)
[perl5.git] / perl.h
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
7272f7c1 4 * 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 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
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
ec2019ad
NC		 44/* This logic needs to come after reading config.h, but before including
45 proto.h */
46#ifdef IAMSUID
47# ifndef DOSUID
48# define DOSUID
49# endif
50#endif
51
52#ifdef SETUID_SCRIPTS_ARE_SECURE_NOW
53# ifdef DOSUID
54# undef DOSUID
55# endif
56# ifdef IAMSUID
57# undef IAMSUID
58# define SETUID_SCRIPTS_ARE_SECURE_NOW_AND_IAMSUID
59# endif
60#endif
61
2c2d71f5
JH		 62/* See L<perlguts/"The Perl API"> for detailed notes on
63 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
64
ac6bedea
JH		 65/* Note that from here --> to <-- the same logic is
66 * repeated in makedef.pl, so be certain to update
67 * both places when editing. */
68
894ccb8c
JH		 69#ifdef PERL_IMPLICIT_SYS
70/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
71 so use slab allocator to avoid lots of MUTEX overhead
72 */
73# ifndef PL_OP_SLAB_ALLOC
74# define PL_OP_SLAB_ALLOC
75# endif
ba979b31
NIS		 76#endif
77
6f4183fe 78#ifdef USE_ITHREADS
acfe0abc 79# if !defined(MULTIPLICITY)
6f4183fe
GS		 80# define MULTIPLICITY
81# endif
82#endif
83
27da23d5
JH		 84#ifdef PERL_GLOBAL_STRUCT_PRIVATE
85# ifndef PERL_GLOBAL_STRUCT
86# define PERL_GLOBAL_STRUCT
87# endif
88#endif
97aff369 89
27da23d5
JH		 90#ifdef PERL_GLOBAL_STRUCT
91# ifndef MULTIPLICITY
92# define MULTIPLICITY
93# endif
94#endif
95
97aff369
JH		 96#ifdef MULTIPLICITY
97# ifndef PERL_IMPLICIT_CONTEXT
98# define PERL_IMPLICIT_CONTEXT
99# endif
100#endif
101
026fd48b
GH		 102/* undef WIN32 when building on Cygwin (for libwin32) - gph */
103#ifdef __CYGWIN__
104# undef WIN32
105# undef _WIN32
106#endif
107
27da23d5
JH		 108#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
109# ifndef SYMBIAN
110# define SYMBIAN
111# endif
112#endif
113
a0fd4948 114#ifdef __SYMBIAN32__
27da23d5
JH		 115# include "symbian/symbian_proto.h"
116#endif
117
118/* Any stack-challenged places. The limit varies (and often
119 * is configurable), but using more than a kilobyte of stack
120 * is usually dubious in these systems. */
a0fd4948 121#if defined(EPOC) || defined(__SYMBIAN32__)
27da23d5
JH		 122/* EPOC/Symbian: need to work around the SDK features. *
123 * On WINS: MS VC5 generates calls to _chkstk, *
124 * if a "large" stack frame is allocated. *
125 * gcc on MARM does not generate calls like these. */
126# define USE_HEAP_INSTEAD_OF_STACK
127#endif
128
129#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 130/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 131#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 132# define USE_REENTRANT_API
133#endif
134
ac6bedea
JH		 135/* <--- here ends the logic shared by perl.h and makedef.pl */
136
af28e889 137/*
6239f2da
JH		 138 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
139 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 140 * __bsdi__ for BSD/OS
141 */
6239f2da 142#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 143# ifndef BSDish
144# define BSDish
145# endif
146#endif
147
27da23d5
JH		 148#ifdef PERL_GLOBAL_STRUCT
149# ifndef PERL_GET_VARS
150# ifdef PERL_GLOBAL_STRUCT_PRIVATE
151 extern struct perl_vars* Perl_GetVarsPrivate();
152# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
153# ifndef PERLIO_FUNCS_CONST
154# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
155# endif
156# else
157# define PERL_GET_VARS() PL_VarsPtr
158# endif
159# endif
160#endif
161
7a89be66 162#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH		 163
164#ifdef PERL_GLOBAL_STRUCT
165# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
166#else
167# define dVAR dNOOP
168#endif
169
c5be433b 170#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 171# ifndef MULTIPLICITY
172# define MULTIPLICITY
c5be433b 173# endif
e8dda941 174# define tTHX PerlInterpreter*
5ba4cab2 175# define pTHX register tTHX my_perl PERL_UNUSED_DECL
3db8f154 176# define aTHX my_perl
27da23d5 177# ifdef PERL_GLOBAL_STRUCT
e8dda941 178# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 179# else
e8dda941 180# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH		 181# endif
182# ifdef PERL_GLOBAL_STRUCT
183# define dTHX dVAR; pTHX = PERL_GET_THX
184# else
185# define dTHX pTHX = PERL_GET_THX
186# endif
c5be433b 187# define pTHX_ pTHX,
c5be433b 188# define aTHX_ aTHX,
4373e329 189# define pTHX_1 2
894356b3
GS		 190# define pTHX_2 3
191# define pTHX_3 4
192# define pTHX_4 5
4373e329
AL		 193# define pTHX_5 6
194# define pTHX_6 7
a3b680e6
AL		 195# define pTHX_7 8
196# define pTHX_8 9
197# define pTHX_9 10
e8dda941
JD		 198# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
199# define PERL_TRACK_MEMPOOL
200# endif
201#else
202# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 203#endif
204
76e3520e
GS		 205#define STATIC static
206#define CPERLscope(x) x
565764a8 207#define CPERLarg void
76e3520e 208#define CPERLarg_
e3b8966e 209#define _CPERLarg
1d583055
GS		 210#define PERL_OBJECT_THIS
211#define _PERL_OBJECT_THIS
212#define PERL_OBJECT_THIS_
312caa8e 213#define CALL_FPTR(fptr) (*fptr)
76e3520e 214
312caa8e 215#define CALLRUNOPS CALL_FPTR(PL_runops)
f9f4320a 216
3ab4a224 217#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 218
3ab4a224
AB		 219#define CALLREGCOMP_ENG(prog, sv, flags) \
220 CALL_FPTR(((prog)->comp))(aTHX_ sv, flags)
f9f4320a 221#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
07bc277f 222 CALL_FPTR(RX_ENGINE(prog)->exec)(aTHX_ (prog),(stringarg),(strend), \
f9f4320a
YO		 223 (strbeg),(minend),(screamer),(data),(flags))
224#define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \
07bc277f 225 CALL_FPTR(RX_ENGINE(prog)->intuit)(aTHX_ (prog), (sv), (strpos), \
f9f4320a
YO		 226 (strend),(flags),(data))
227#define CALLREG_INTUIT_STRING(prog) \
07bc277f 228 CALL_FPTR(RX_ENGINE(prog)->checkstr)(aTHX_ (prog))
f8149455 229
f8149455
YO		 230#define CALLREGFREE(prog) \
231 Perl_pregfree(aTHX_ (prog))
232
233#define CALLREGFREE_PVT(prog) \
07bc277f 234 if(prog) CALL_FPTR(RX_ENGINE(prog)->free)(aTHX_ (prog))
f8149455 235
2fdbfb4d 236#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
07bc277f 237 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_FETCH)(aTHX_ (rx),(paren),(usesv))
93b32b6d 238
2fdbfb4d 239#define CALLREG_NUMBUF_STORE(rx,paren,value) \
07bc277f 240 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_STORE)(aTHX_ (rx),(paren),(value))
2fdbfb4d
AB		 241
242#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
07bc277f 243 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_LENGTH)(aTHX_ (rx),(sv),(paren))
2fdbfb4d 244
192b9cd1 245#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
07bc277f 246 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
192b9cd1
AB		 247
248#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
07bc277f 249 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
192b9cd1
AB		 250
251#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
07bc277f 252 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB		 253
254#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
07bc277f 255 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB		 256
257#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
07bc277f 258 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB		 259
260#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
07bc277f 261 CALL_FPTR(RX_ENGINE(rx)->named_buff_iter)(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB		 262
263#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
07bc277f 264 CALL_FPTR(RX_ENGINE(rx)->named_buff_iter)(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB		 265
266#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
07bc277f 267 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
AB		 268
269#define CALLREG_NAMED_BUFF_COUNT(rx) \
07bc277f 270 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
192b9cd1
AB		 271
272#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
07bc277f 273 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 274
49d7dfbc 275#define CALLREG_PACKAGE(rx) \
07bc277f 276 CALL_FPTR(RX_ENGINE(rx)->qr_package)(aTHX_ (rx))
93b32b6d 277
f9f4320a
YO		 278#if defined(USE_ITHREADS)
279#define CALLREGDUPE(prog,param) \
f8149455
YO		 280 Perl_re_dup(aTHX_ (prog),(param))
281
282#define CALLREGDUPE_PVT(prog,param) \
07bc277f 283 (prog ? CALL_FPTR(RX_ENGINE(prog)->dupe)(aTHX_ (prog),(param)) \
f9f4320a
YO		 284 : (REGEXP *)NULL)
285#endif
14dd3ad8 286
a20207d7 287
bcdf7404 288
a20207d7
YO		 289
290
5ba4cab2
SH		 291/*
292 * Because of backward compatibility reasons the PERL_UNUSED_DECL
293 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
294 *
295 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 296 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 297 * marking unused variables (they need e.g. a #pragma) and therefore
298 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
299 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
300 *
301 */
1266ad8c 302
9969cdde 303#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 304# ifdef __cplusplus
5ba4cab2 305# define PERL_UNUSED_DECL
5b2bd0a5 306# else
5ba4cab2 307# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 308# endif
309#endif
44dbb695 310
5b2bd0a5 311#ifndef PERL_UNUSED_DECL
34659ad4 312# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 313# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 314# else
5ba4cab2 315# define PERL_UNUSED_DECL
b79c357a 316# endif
5b2bd0a5
AMS		 317#endif
318
349b520e
DM		 319/* gcc -Wall:
320 * for silencing unused variables that are actually used most of the time,
a0288114 321 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 322 */
53c1dcc0 323#ifndef PERL_UNUSED_ARG
c99ffe5e 324# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 325# include <note.h>
53c1dcc0 326# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 327# else
53c1dcc0 328# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 329# endif
330#endif
53c1dcc0
AL		 331#ifndef PERL_UNUSED_VAR
332# define PERL_UNUSED_VAR(x) ((void)x)
333#endif
ad73156c 334
96a5add6
AL		 335#ifdef USE_ITHREADS
336# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
337#else
338# define PERL_UNUSED_CONTEXT
339#endif
340
6f207bd3 341#define NOOP /*EMPTY*/(void)0
6b484a99
JH		 342#if !defined(HASATTRIBUTE_UNUSED) && defined(__cplusplus)
343#define dNOOP /*EMPTY*/(void)0 /* Older g++ has no __attribute((unused))__ */
344#else
6f207bd3 345#define dNOOP extern int /*@unused@*/ Perl___notused PERL_UNUSED_DECL
6b484a99 346#endif
71be2cbc 347
0cb96387 348#ifndef pTHX
e8dda941
JD		 349/* Don't bother defining tTHX and sTHX; using them outside
350 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
351 */
0cb96387
GS		 352# define pTHX void
353# define pTHX_
0cb96387
GS		 354# define aTHX
355# define aTHX_
0cb96387
GS		 356# define dTHXa(a) dNOOP
357# define dTHX dNOOP
894356b3
GS		 358# define pTHX_1 1
359# define pTHX_2 2
360# define pTHX_3 3
361# define pTHX_4 4
3d42dc86
RGS		 362# define pTHX_5 5
363# define pTHX_6 6
a3b680e6
AL		 364# define pTHX_7 7
365# define pTHX_8 8
366# define pTHX_9 9
0cb96387
GS		 367#endif
368
27da23d5
JH		 369#ifndef dVAR
370# define dVAR dNOOP
371#endif
372
b4f7f263
GS		 373/* these are only defined for compatibility; should not be used internally */
374#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 375# define pTHXo pTHX
376# define pTHXo_ pTHX_
0cb96387
GS		 377# define aTHXo aTHX
378# define aTHXo_ aTHX_
c5be433b 379# define dTHXo dTHX
71d280e3 380# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 381#endif
382
383#ifndef pTHXx
384# define pTHXx register PerlInterpreter *my_perl
385# define pTHXx_ pTHXx,
0cb96387
GS		 386# define aTHXx my_perl
387# define aTHXx_ aTHXx,
c5be433b 388# define dTHXx dTHX
22c35a8c 389#endif
71be2cbc 390
1de7c2ac
GS		 391/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
392 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
393 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
394#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 395# ifdef PERL_GLOBAL_STRUCT_PRIVATE
396# define dTHXs dVAR; dTHX
397# else
398# define dTHXs dTHX
399# endif
1de7c2ac 400#else
27da23d5
JH		 401# ifdef PERL_GLOBAL_STRUCT_PRIVATE
402# define dTHXs dVAR
403# else
404# define dTHXs dNOOP
405# endif
1de7c2ac
GS		 406#endif
407
326b05e3
GS		 408#undef START_EXTERN_C
409#undef END_EXTERN_C
410#undef EXTERN_C
32f822de
GS		 411#ifdef __cplusplus
412# define START_EXTERN_C extern "C" {
413# define END_EXTERN_C }
414# define EXTERN_C extern "C"
415#else
d460ef45
NIS		 416# define START_EXTERN_C
417# define END_EXTERN_C
73c4f7a1 418# define EXTERN_C extern
32f822de
GS		 419#endif
420
27da23d5
JH		 421/* Some platforms require marking function declarations
422 * for them to be exportable. Used in perlio.h, proto.h
423 * is handled either by the makedef.pl or by defining the
424 * PERL_CALLCONV to be something special. See also the
425 * definition of XS() in XSUB.h. */
426#ifndef PERL_EXPORT_C
a0c21aa1
JH		 427# ifdef __cplusplus
428# define PERL_EXPORT_C extern "C"
429# else
430# define PERL_EXPORT_C extern
431# endif
27da23d5
JH		 432#endif
433#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 434# ifdef __cplusplus
435# define PERL_XS_EXPORT_C extern "C"
436# else
437# define PERL_XS_EXPORT_C
438# endif
27da23d5
JH		 439#endif
440
462e5cf6
MB		 441#ifdef OP_IN_REGISTER
442# ifdef __GNUC__
443# define stringify_immed(s) #s
444# define stringify(s) stringify_immed(s)
d1ca3daa 445register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 446# endif
447#endif
448
e5afc1ae 449/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab
JH		 450 * g++ allows them but seems to have problems with them
451 * (insane errors ensue). */
452#if defined(PERL_GCC_PEDANTIC) || (defined(__GNUC__) && defined(__cplusplus))
5b692037 453# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 454# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
455# endif
5dc8bdac
JH		 456#endif
457
5b692037
JH		 458#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
459# ifndef PERL_USE_GCC_BRACE_GROUPS
460# define PERL_USE_GCC_BRACE_GROUPS
461# endif
462#endif
463
728e2803 464/*
465 * STMT_START { statements; } STMT_END;
466 * can be used as a single statement, as in
467 * if (x) STMT_START { ... } STMT_END; else ...
468 *
469 * Trying to select a version that gives no warnings...
470 */
471#if !(defined(STMT_START) && defined(STMT_END))
5b692037 472# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 473# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 474# define STMT_END )
475# else
476 /* Now which other defined()s do we need here ??? */
93189314 477# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 478# define STMT_START if (1)
479# define STMT_END else (void)0
480# else
481# define STMT_START do
482# define STMT_END while (0)
483# endif
484# endif
485#endif
486
0cb96387 487#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 488#define WITH_THR(s) WITH_THX(s)
ea0efc06 489
d6f9c181
JH		 490#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
491# define BYTEORDER 0x1234
79072805
LW		 492#endif
493
494/* Overall memory policy? */
495#ifndef CONSERVATIVE
496# define LIBERAL 1
497#endif
498
8ada0baa
JH		 499#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
500#define ASCIIish
501#else
502#undef ASCIIish
503#endif
504
79072805
LW		 505/*
506 * The following contortions are brought to you on behalf of all the
507 * standards, semi-standards, de facto standards, not-so-de-facto standards
508 * of the world, as well as all the other botches anyone ever thought of.
509 * The basic theory is that if we work hard enough here, the rest of the
510 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
511 */
ac58e20f 512
ee0007ab 513/* define this once if either system, instead of cluttering up the src */
2986a63f 514#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 515#define DOSISH 1
516#endif
517
fb38d079 518#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 519# define STANDARD_C 1
520#endif
521
9969cdde 522#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 523# define DONT_DECLARE_STD 1
524#endif
525
352d5a3a 526#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 527# define VOL volatile
663a0e37 528#else
79072805 529# define VOL
663a0e37
LW		 530#endif
531
3280af22
NIS		 532#define TAINT (PL_tainted = TRUE)
533#define TAINT_NOT (PL_tainted = FALSE)
534#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
535#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 536#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 537
d460ef45 538/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 539 defines move there? If so, I could simplify this a lot. --AD 9/96.
540*/
541/* Process group stuff changed from traditional BSD to POSIX.
542 perlfunc.pod documents the traditional BSD-style syntax, so we'll
543 try to preserve that, if possible.
544*/
545#ifdef HAS_SETPGID
546# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 547#else
a6e633de 548# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
549# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
550# else
551# ifdef HAS_SETPGRP2 /* DG/UX */
552# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
553# endif
554# endif
555#endif
556#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
557# define HAS_SETPGRP /* Well, effectively it does . . . */
558#endif
559
560/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
561 our life easier :-) so we'll try it.
562*/
563#ifdef HAS_GETPGID
564# define BSD_GETPGRP(pid) getpgid((pid))
565#else
566# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
567# define BSD_GETPGRP(pid) getpgrp((pid))
568# else
569# ifdef HAS_GETPGRP2 /* DG/UX */
570# define BSD_GETPGRP(pid) getpgrp2((pid))
571# endif
572# endif
573#endif
574#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
575# define HAS_GETPGRP /* Well, effectively it does . . . */
576#endif
577
d460ef45 578/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 579 have different behaviors, but perl.h used to define USE_BSDPGRP
580 (prior to 5.003_05) so some extension might depend on it.
581*/
582#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
583# ifndef USE_BSDPGRP
584# define USE_BSDPGRP
585# endif
663a0e37
LW		 586#endif
587
8ac5a1fe
MH		 588/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
589 pthread.h must be included before all other header files.
590*/
3db8f154 591#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 592# include <pthread.h>
593#endif
594
760ac839
LW		 595#ifndef _TYPES_ /* If types.h defines this it's easy. */
596# ifndef major /* Does everyone's types.h define this? */
597# include <sys/types.h>
c07a80fd 598# endif
663a0e37
LW		 599#endif
600
760ac839
LW		 601#ifdef __cplusplus
602# ifndef I_STDARG
603# define I_STDARG 1
604# endif
605#endif
606
607#ifdef I_STDARG
608# include <stdarg.h>
609#else
610# ifdef I_VARARGS
611# include <varargs.h>
612# endif
613#endif
614
4633a7c4 615#ifdef USE_NEXT_CTYPE
0c30d9ec 616
092bebab
JH		 617#if NX_CURRENT_COMPILER_RELEASE >= 500
618# include <bsd/ctypes.h>
619#else
620# if NX_CURRENT_COMPILER_RELEASE >= 400
621# include <objc/NXCType.h>
622# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
623# include <appkit/NXCType.h>
624# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
625#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 626
627#else /* !USE_NEXT_CTYPE */
fe14fcc3 628#include <ctype.h>
0c30d9ec 629#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 630
631#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
632#undef METHOD
a0d0e21e
LW		 633#endif
634
12ae5dfc
JH		 635#ifdef PERL_MICRO
636# define NO_LOCALE
637#endif
638
4633a7c4 639#ifdef I_LOCALE
36477c24 640# include <locale.h>
4633a7c4
LW		 641#endif
642
36477c24 643#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
644# define USE_LOCALE
645# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
646 && defined(HAS_STRXFRM)
647# define USE_LOCALE_COLLATE
648# endif
649# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
650# define USE_LOCALE_CTYPE
651# endif
652# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
653# define USE_LOCALE_NUMERIC
654# endif
655#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 656
fe14fcc3 657#include <setjmp.h>
79072805 658
a0d0e21e 659#ifdef I_SYS_PARAM
79072805
LW		 660# ifdef PARAM_NEEDS_TYPES
661# include <sys/types.h>
662# endif
663# include <sys/param.h>
352d5a3a 664#endif
79072805 665
79072805 666/* Use all the "standard" definitions? */
a0d0e21e 667#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 668# include <stdlib.h>
ff68c719 669#endif
03a14243 670
3f270f98
JH		 671/* If this causes problems, set i_unistd=undef in the hint file. */
672#ifdef I_UNISTD
673# include <unistd.h>
674#endif
675
9969cdde 676#ifdef __SYMBIAN32__
27da23d5
JH		 677# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
678#endif
679
7114a2d2 680#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 681EXTERN_C int syscall(int, ...);
2ef53570
JH		 682#endif
683
7114a2d2 684#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 685EXTERN_C int usleep(unsigned int);
2ef53570
JH		 686#endif
687
9c12f1e5
RGS		 688/* Funky places that do not have socket stuff. */
689#if defined(__LIBCATAMOUNT__)
690# define MYSWAP
691#endif
692
9a34ef1d
GS		 693#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
694# define MYSWAP
695#endif
696
1109a392
MHM		 697#ifdef PERL_CORE
698
699/* macros for correct constant construction */
700# if INTSIZE >= 2
701# define U16_CONST(x) ((U16)x##U)
702# else
703# define U16_CONST(x) ((U16)x##UL)
704# endif
705
706# if INTSIZE >= 4
707# define U32_CONST(x) ((U32)x##U)
708# else
709# define U32_CONST(x) ((U32)x##UL)
710# endif
711
712# ifdef HAS_QUAD
713# if INTSIZE >= 8
714# define U64_CONST(x) ((U64)x##U)
715# elif LONGSIZE >= 8
716# define U64_CONST(x) ((U64)x##UL)
717# elif QUADKIND == QUAD_IS_LONG_LONG
718# define U64_CONST(x) ((U64)x##ULL)
719# else /* best guess we can make */
720# define U64_CONST(x) ((U64)x##UL)
721# endif
722# endif
723
724/* byte-swapping functions for big-/little-endian conversion */
725# define _swab_16_(x) ((U16)( \
726 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
727 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
728
729# define _swab_32_(x) ((U32)( \
730 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
731 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
732 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
733 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
734
735# ifdef HAS_QUAD
736# define _swab_64_(x) ((U64)( \
737 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
738 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
739 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
740 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
741 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
742 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
743 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
744 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
745# endif
746
747/*----------------------------------------------------------------------------*/
748# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
749/*----------------------------------------------------------------------------*/
750# define my_htole16(x) (x)
751# define my_letoh16(x) (x)
752# define my_htole32(x) (x)
753# define my_letoh32(x) (x)
754# define my_htobe16(x) _swab_16_(x)
755# define my_betoh16(x) _swab_16_(x)
756# define my_htobe32(x) _swab_32_(x)
757# define my_betoh32(x) _swab_32_(x)
758# ifdef HAS_QUAD
759# define my_htole64(x) (x)
760# define my_letoh64(x) (x)
761# define my_htobe64(x) _swab_64_(x)
762# define my_betoh64(x) _swab_64_(x)
763# endif
764# define my_htoles(x) (x)
765# define my_letohs(x) (x)
766# define my_htolei(x) (x)
767# define my_letohi(x) (x)
768# define my_htolel(x) (x)
769# define my_letohl(x) (x)
770# if SHORTSIZE == 1
771# define my_htobes(x) (x)
772# define my_betohs(x) (x)
773# elif SHORTSIZE == 2
774# define my_htobes(x) _swab_16_(x)
775# define my_betohs(x) _swab_16_(x)
776# elif SHORTSIZE == 4
777# define my_htobes(x) _swab_32_(x)
778# define my_betohs(x) _swab_32_(x)
779# elif SHORTSIZE == 8
780# define my_htobes(x) _swab_64_(x)
781# define my_betohs(x) _swab_64_(x)
782# else
783# define PERL_NEED_MY_HTOBES
784# define PERL_NEED_MY_BETOHS
785# endif
786# if INTSIZE == 1
787# define my_htobei(x) (x)
788# define my_betohi(x) (x)
789# elif INTSIZE == 2
790# define my_htobei(x) _swab_16_(x)
791# define my_betohi(x) _swab_16_(x)
792# elif INTSIZE == 4
793# define my_htobei(x) _swab_32_(x)
794# define my_betohi(x) _swab_32_(x)
795# elif INTSIZE == 8
796# define my_htobei(x) _swab_64_(x)
797# define my_betohi(x) _swab_64_(x)
798# else
799# define PERL_NEED_MY_HTOBEI
800# define PERL_NEED_MY_BETOHI
801# endif
802# if LONGSIZE == 1
803# define my_htobel(x) (x)
804# define my_betohl(x) (x)
805# elif LONGSIZE == 2
806# define my_htobel(x) _swab_16_(x)
807# define my_betohl(x) _swab_16_(x)
808# elif LONGSIZE == 4
809# define my_htobel(x) _swab_32_(x)
810# define my_betohl(x) _swab_32_(x)
811# elif LONGSIZE == 8
812# define my_htobel(x) _swab_64_(x)
813# define my_betohl(x) _swab_64_(x)
814# else
815# define PERL_NEED_MY_HTOBEL
816# define PERL_NEED_MY_BETOHL
817# endif
818# define my_htolen(p,n) NOOP
819# define my_letohn(p,n) NOOP
820# define my_htoben(p,n) my_swabn(p,n)
821# define my_betohn(p,n) my_swabn(p,n)
822/*----------------------------------------------------------------------------*/
823# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
824/*----------------------------------------------------------------------------*/
825# define my_htobe16(x) (x)
826# define my_betoh16(x) (x)
827# define my_htobe32(x) (x)
828# define my_betoh32(x) (x)
829# define my_htole16(x) _swab_16_(x)
830# define my_letoh16(x) _swab_16_(x)
831# define my_htole32(x) _swab_32_(x)
832# define my_letoh32(x) _swab_32_(x)
833# ifdef HAS_QUAD
834# define my_htobe64(x) (x)
835# define my_betoh64(x) (x)
836# define my_htole64(x) _swab_64_(x)
837# define my_letoh64(x) _swab_64_(x)
838# endif
839# define my_htobes(x) (x)
840# define my_betohs(x) (x)
841# define my_htobei(x) (x)
842# define my_betohi(x) (x)
843# define my_htobel(x) (x)
844# define my_betohl(x) (x)
845# if SHORTSIZE == 1
846# define my_htoles(x) (x)
847# define my_letohs(x) (x)
848# elif SHORTSIZE == 2
849# define my_htoles(x) _swab_16_(x)
850# define my_letohs(x) _swab_16_(x)
851# elif SHORTSIZE == 4
852# define my_htoles(x) _swab_32_(x)
853# define my_letohs(x) _swab_32_(x)
854# elif SHORTSIZE == 8
855# define my_htoles(x) _swab_64_(x)
856# define my_letohs(x) _swab_64_(x)
857# else
858# define PERL_NEED_MY_HTOLES
859# define PERL_NEED_MY_LETOHS
860# endif
861# if INTSIZE == 1
862# define my_htolei(x) (x)
863# define my_letohi(x) (x)
864# elif INTSIZE == 2
865# define my_htolei(x) _swab_16_(x)
866# define my_letohi(x) _swab_16_(x)
867# elif INTSIZE == 4
868# define my_htolei(x) _swab_32_(x)
869# define my_letohi(x) _swab_32_(x)
870# elif INTSIZE == 8
871# define my_htolei(x) _swab_64_(x)
872# define my_letohi(x) _swab_64_(x)
873# else
874# define PERL_NEED_MY_HTOLEI
875# define PERL_NEED_MY_LETOHI
876# endif
877# if LONGSIZE == 1
878# define my_htolel(x) (x)
879# define my_letohl(x) (x)
880# elif LONGSIZE == 2
881# define my_htolel(x) _swab_16_(x)
882# define my_letohl(x) _swab_16_(x)
883# elif LONGSIZE == 4
884# define my_htolel(x) _swab_32_(x)
885# define my_letohl(x) _swab_32_(x)
886# elif LONGSIZE == 8
887# define my_htolel(x) _swab_64_(x)
888# define my_letohl(x) _swab_64_(x)
889# else
890# define PERL_NEED_MY_HTOLEL
891# define PERL_NEED_MY_LETOHL
892# endif
893# define my_htolen(p,n) my_swabn(p,n)
894# define my_letohn(p,n) my_swabn(p,n)
895# define my_htoben(p,n) NOOP
896# define my_betohn(p,n) NOOP
897/*----------------------------------------------------------------------------*/
898# else /* all other byte-orders */
899/*----------------------------------------------------------------------------*/
900# define PERL_NEED_MY_HTOLE16
901# define PERL_NEED_MY_LETOH16
902# define PERL_NEED_MY_HTOBE16
903# define PERL_NEED_MY_BETOH16
904# define PERL_NEED_MY_HTOLE32
905# define PERL_NEED_MY_LETOH32
906# define PERL_NEED_MY_HTOBE32
907# define PERL_NEED_MY_BETOH32
908# ifdef HAS_QUAD
909# define PERL_NEED_MY_HTOLE64
910# define PERL_NEED_MY_LETOH64
911# define PERL_NEED_MY_HTOBE64
912# define PERL_NEED_MY_BETOH64
913# endif
914# define PERL_NEED_MY_HTOLES
915# define PERL_NEED_MY_LETOHS
916# define PERL_NEED_MY_HTOBES
917# define PERL_NEED_MY_BETOHS
918# define PERL_NEED_MY_HTOLEI
919# define PERL_NEED_MY_LETOHI
920# define PERL_NEED_MY_HTOBEI
921# define PERL_NEED_MY_BETOHI
922# define PERL_NEED_MY_HTOLEL
923# define PERL_NEED_MY_LETOHL
924# define PERL_NEED_MY_HTOBEL
925# define PERL_NEED_MY_BETOHL
926/*----------------------------------------------------------------------------*/
927# endif /* end of byte-order macros */
928/*----------------------------------------------------------------------------*/
929
9c17f24a
NC		 930/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
931 at least on FreeBSD. YMMV, so experiment. */
932#ifndef PERL_ARENA_SIZE
933#define PERL_ARENA_SIZE 4080
934#endif
935
ccb2c8b8 936/* Maximum level of recursion */
2b9dff67
RGS		 937#ifndef PERL_SUB_DEPTH_WARN
938#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 939#endif
940
1109a392
MHM		 941#endif /* PERL_CORE */
942
bdf3085f
NC		 943/* We no longer default to creating a new SV for GvSV.
944 Do this before embed. */
945#ifndef PERL_CREATE_GVSV
7459f06b
NC		 946# ifndef PERL_DONT_CREATE_GVSV
947# define PERL_DONT_CREATE_GVSV
948# endif
bdf3085f
NC		 949#endif
950
ca0c25f6
NC		 951#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
952#define PERL_USES_PL_PIDSTATUS
953#endif
954
a62746fa
RGS		 955#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__) && !defined(MACOS_TRADITIONAL)
956#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
957#endif
958
66a93824
NIS		 959/* Cannot include embed.h here on Win32 as win32.h has not
960 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
961 */
96e176bf 962#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 963# include "embed.h"
eb8433b7
NC		 964# ifndef PERL_MAD
965# undef op_getmad
b3f24c00 966# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 967# endif
cea2e8a9
GS		 968#endif
969
c31fac66
GS		 970#define MEM_SIZE Size_t
971
1936d2a7
NC		 972/* Round all values passed to malloc up, by default to a multiple of
973 sizeof(size_t)
974*/
975#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
976#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
977#endif
978
51371543
GS		 979#if defined(STANDARD_C) && defined(I_STDDEF)
980# include <stddef.h>
981# define STRUCT_OFFSET(s,m) offsetof(s,m)
982#else
983# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
984#endif
985
9969cdde 986#ifndef __SYMBIAN32__
27da23d5
JH		 987# if defined(I_STRING) || defined(__cplusplus)
988# include <string.h>
989# else
990# include <strings.h>
991# endif
51371543
GS		 992#endif
993
55497cff 994/* This comes after <stdlib.h> so we don't try to change the standard
995 * library prototypes; we'll use our own in proto.h instead. */
03a14243 996
4633a7c4 997#ifdef MYMALLOC
86058a2d 998# ifdef PERL_POLLUTE_MALLOC
ee13e175 999# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 1000# define Perl_malloc malloc
1001# define Perl_calloc calloc
1002# define Perl_realloc realloc
1003# define Perl_mfree free
ee13e175 1004# endif
86058a2d
GS		 1005# else
1006# define EMBEDMYMALLOC /* for compatibility */
1007# endif
827e134a 1008
651b9576
GS		 1009# define safemalloc Perl_malloc
1010# define safecalloc Perl_calloc
1011# define saferealloc Perl_realloc
1012# define safefree Perl_mfree
22f7c9c9
JH		 1013# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1014 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1015 code; \
1016 } STMT_END
1017# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1018 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1019# define panic_write2(s) write(2, s, strlen(s))
1020# define CHECK_MALLOC_TAINT(newval) \
1021 CHECK_MALLOC_TOO_LATE_FOR_( \
1022 if (newval) { \
1023 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1024 exit(1); })
22f7c9c9 1025# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1026 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 1027 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1028 }} STMT_END;
f2517201
GS		 1029#else /* MYMALLOC */
1030# define safemalloc safesysmalloc
1031# define safecalloc safesyscalloc
1032# define saferealloc safesysrealloc
1033# define safefree safesysfree
22f7c9c9
JH		 1034# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1035# define CHECK_MALLOC_TAINT(newval) ((void)0)
1036# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1037#endif /* MYMALLOC */
4633a7c4 1038
27da23d5 1039#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		 1040#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1041#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1042#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1043
a0d0e21e
LW		 1044#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1045#define strchr index
1046#define strrchr rindex
1047#endif
1048
16d20bd9
AD		 1049#ifdef I_MEMORY
1050# include <memory.h>
1051#endif
1052
fe14fcc3 1053#ifdef HAS_MEMCPY
85e6fe83 1054# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1055# ifndef memcpy
20ce7b12 1056 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 1057# endif
1058# endif
1059#else
1060# ifndef memcpy
1061# ifdef HAS_BCOPY
1062# define memcpy(d,s,l) bcopy(s,d,l)
1063# else
1064# define memcpy(d,s,l) my_bcopy(s,d,l)
1065# endif
1066# endif
1067#endif /* HAS_MEMCPY */
fe14fcc3 1068
ee0007ab 1069#ifdef HAS_MEMSET
85e6fe83 1070# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1071# ifndef memset
20ce7b12 1072 extern char *memset (char*, int, int);
ee0007ab
LW		 1073# endif
1074# endif
ee0007ab 1075#else
12ae5dfc 1076# undef memset
fc36a67e 1077# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1078#endif /* HAS_MEMSET */
1079
85e6fe83 1080#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1081# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1082# define memmove(d,s,l) bcopy(s,d,l)
1083# else
2304df62 1084# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1085# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1086# else
79072805 1087# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1088# endif
352d5a3a 1089# endif
d9d8d8de 1090#endif
ee0007ab 1091
36477c24 1092#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1093# undef HAS_MEMCMP
1094#endif
1095
1096#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1097# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1098# ifndef memcmp
20ce7b12 1099 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1100# endif
1101# endif
36477c24 1102# ifdef BUGGY_MSC
7e4e8c89 1103# pragma function(memcmp)
36477c24 1104# endif
ee0007ab
LW		 1105#else
1106# ifndef memcmp
ecfc5424 1107# define memcmp my_memcmp
352d5a3a 1108# endif
36477c24 1109#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1110
fc36a67e 1111#ifndef memzero
c635e13b 1112# ifdef HAS_MEMSET
1113# define memzero(d,l) memset(d,0,l)
79072805 1114# else
c635e13b 1115# ifdef HAS_BZERO
1116# define memzero(d,l) bzero(d,l)
79072805 1117# else
fc36a67e 1118# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1119# endif
1120# endif
d9d8d8de 1121#endif
378cc40b 1122
2f42fcb0 1123#ifndef PERL_MICRO
0f27ced1
JH		 1124#ifndef memchr
1125# ifndef HAS_MEMCHR
1126# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1127# endif
1128#endif
2f42fcb0 1129#endif
0f27ced1 1130
36477c24 1131#ifndef HAS_BCMP
1132# ifndef bcmp
1133# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1134# endif
36477c24 1135#endif /* !HAS_BCMP */
378cc40b 1136
ae986130 1137#ifdef I_NETINET_IN
79072805 1138# include <netinet/in.h>
ae986130
LW		 1139#endif
1140
28e8609d
JH		 1141#ifdef I_ARPA_INET
1142# include <arpa/inet.h>
1143#endif
1144
84902520
TB		 1145#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1146/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1147 * (the neo-BSD seem to do this). */
1148# undef SF_APPEND
1149#endif
1150
1aef975c 1151#ifdef I_SYS_STAT
84902520 1152# include <sys/stat.h>
1aef975c 1153#endif
79072805 1154
a0d0e21e
LW		 1155/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1156 like UTekV) are broken, sometimes giving false positives. Undefine
1157 them here and let the code below set them to proper values.
1158
1159 The ghs macro stands for GreenHills Software C-1.8.5 which
1160 is the C compiler for sysV88 and the various derivatives.
1161 This header file bug is corrected in gcc-2.5.8 and later versions.
1162 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1163
1164#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1165# undef S_ISDIR
1166# undef S_ISCHR
1167# undef S_ISBLK
1168# undef S_ISREG
1169# undef S_ISFIFO
1170# undef S_ISLNK
ee0007ab 1171#endif
135863df 1172
663a0e37
LW		 1173#ifdef I_TIME
1174# include <time.h>
ffed7fef 1175#endif
663a0e37 1176
fe14fcc3 1177#ifdef I_SYS_TIME
85e6fe83 1178# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1179# define KERNEL
1180# endif
1181# include <sys/time.h>
85e6fe83 1182# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1183# undef KERNEL
1184# endif
a687059c 1185#endif
135863df 1186
55497cff 1187#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1188# include <sys/times.h>
d9d8d8de 1189#endif
8d063cd8 1190
fe14fcc3 1191#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1192# undef HAS_STRERROR
663a0e37
LW		 1193#endif
1194
1195#include <errno.h>
1e743fda 1196
acfe0abc 1197#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1198# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1199#endif
1200
8cfab5ff
JH		 1201/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1202 * This is important for using IPv6.
1203 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1204 * a bad idea since it breaks send() and recv(). */
1205#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1206# define _SOCKADDR_LEN
1207#endif
1208
8d3f517a 1209#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1210# include <sys/socket.h>
1211# if defined(USE_SOCKS) && defined(I_SOCKS)
1212# if !defined(INCLUDE_PROTOTYPES)
1213# define INCLUDE_PROTOTYPES /* for <socks.h> */
1214# define PERL_SOCKS_NEED_PROTOTYPES
1215# endif
1216# include <socks.h>
1217# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1218# undef INCLUDE_PROTOTYPES
1219# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1220# endif
d460ef45 1221# endif
1e743fda 1222# ifdef I_NETDB
2986a63f
JH		 1223# ifdef NETWARE
1224# include<stdio.h>
1225# endif
1e743fda
JH		 1226# include <netdb.h>
1227# endif
1228# ifndef ENOTSOCK
1229# ifdef I_NET_ERRNO
1230# include <net/errno.h>
1231# endif
1232# endif
1233#endif
1234
fa0a29af 1235/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1236 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1237 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1238#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1239# if defined(__THROW) && defined(__GLIBC__)
1240int sockatmark(int) __THROW;
1241# else
2ef53570 1242int sockatmark(int);
29820b6d 1243# endif
2ef53570
JH		 1244#endif
1245
7e827271 1246#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		 1247EXTERN_C int fchdir(int);
1248EXTERN_C int flock(int, int);
1249EXTERN_C int fseeko(FILE *, off_t, int);
1250EXTERN_C off_t ftello(FILE *);
1251#endif
1252
7e827271 1253#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1254EXTERN_C char *crypt(const char *, const char *);
7e827271 1255EXTERN_C char **environ;
1ccb7c8d
JH		 1256#endif
1257
83a6ff2e 1258#if defined(__cplusplus)
944c4fda 1259# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1260EXTERN_C char **environ;
83a6ff2e 1261# elif defined(__CYGWIN__)
667e2948
SP		 1262EXTERN_C char *crypt(const char *, const char *);
1263#endif
83a6ff2e 1264#endif
667e2948 1265
1e743fda
JH		 1266#ifdef SETERRNO
1267# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1268#endif
f86702cc 1269
1270#ifdef VMS
1271# define SETERRNO(errcode,vmserrcode) \
1272 STMT_START { \
1273 set_errno(errcode); \
1274 set_vaxc_errno(vmserrcode); \
1275 } STMT_END
93189314
JH		 1276# define LIB_INVARG LIB$_INVARG
1277# define RMS_DIR RMS$_DIR
1278# define RMS_FAC RMS$_FAC
1279# define RMS_FEX RMS$_FEX
1280# define RMS_FNF RMS$_FNF
1281# define RMS_IFI RMS$_IFI
1282# define RMS_ISI RMS$_ISI
1283# define RMS_PRV RMS$_PRV
1284# define SS_ACCVIO SS$_ACCVIO
1285# define SS_DEVOFFLINE SS$_DEVOFFLINE
1286# define SS_IVCHAN SS$_IVCHAN
1287# define SS_NORMAL SS$_NORMAL
748a9306 1288#else
aba27d88 1289# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 1290# define LIB_INVARG 0
1291# define RMS_DIR 0
1292# define RMS_FAC 0
1293# define RMS_FEX 0
1294# define RMS_FNF 0
1295# define RMS_IFI 0
1296# define RMS_ISI 0
1297# define RMS_PRV 0
1298# define SS_ACCVIO 0
1299# define SS_DEVOFFLINE 0
1300# define SS_IVCHAN 0
1301# define SS_NORMAL 0
748a9306 1302#endif
ed6116ce 1303
3db8f154 1304#define ERRSV GvSV(PL_errgv)
e203899d
NC		 1305/* FIXME? Change the assignments to PL_defgv to instantiate GvSV? */
1306#define DEFSV GvSVn(PL_defgv)
3db8f154 1307#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1308
98eae8f5
GS		 1309#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1310
55497cff 1311#ifndef errno
5ff3f7a4
GS		 1312 extern int errno; /* ANSI allows errno to be an lvalue expr.
1313 * For example in multithreaded environments
1314 * something like this might happen:
1315 * extern int *_errno(void);
1316 * #define errno (*_errno()) */
d9d8d8de 1317#endif
663a0e37 1318
2304df62 1319#ifdef HAS_STRERROR
a0d0e21e 1320# ifdef VMS
20ce7b12 1321 char *strerror (int,...);
a0d0e21e 1322# else
68dc0745 1323#ifndef DONT_DECLARE_STD
20ce7b12 1324 char *strerror (int);
68dc0745 1325#endif
a0d0e21e 1326# endif
2304df62
AD		 1327# ifndef Strerror
1328# define Strerror strerror
1329# endif
1330#else
1331# ifdef HAS_SYS_ERRLIST
79072805
LW		 1332 extern int sys_nerr;
1333 extern char *sys_errlist[];
2304df62
AD		 1334# ifndef Strerror
1335# define Strerror(e) \
79072805 1336 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1337# endif
79072805 1338# endif
35c8bce7 1339#endif
663a0e37 1340
2304df62 1341#ifdef I_SYS_IOCTL
79072805
LW		 1342# ifndef _IOCTL_
1343# include <sys/ioctl.h>
1344# endif
a687059c
LW		 1345#endif
1346
ee0007ab 1347#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1348# ifdef HAS_SOCKETPAIR
1349# undef HAS_SOCKETPAIR
1350# endif
2304df62
AD		 1351# ifdef I_NDBM
1352# undef I_NDBM
79072805 1353# endif
a687059c
LW		 1354#endif
1355
02fc2eee
NC		 1356#ifndef HAS_SOCKETPAIR
1357# ifdef HAS_SOCKET
1358# define socketpair Perl_my_socketpair
1359# endif
1360#endif
1361
a687059c 1362#if INTSIZE == 2
79072805
LW		 1363# define htoni htons
1364# define ntohi ntohs
a687059c 1365#else
79072805
LW		 1366# define htoni htonl
1367# define ntohi ntohl
a687059c
LW		 1368#endif
1369
a0d0e21e 1370/* Configure already sets Direntry_t */
35c8bce7 1371#if defined(I_DIRENT)
663a0e37 1372# include <dirent.h>
8f1f23e8
W		 1373 /* NeXT needs dirent + sys/dir.h */
1374# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1375# include <sys/dir.h>
1376# endif
ae986130 1377#else
fe14fcc3 1378# ifdef I_SYS_NDIR
79a0689e 1379# include <sys/ndir.h>
663a0e37 1380# else
fe14fcc3 1381# ifdef I_SYS_DIR
79a0689e
LW		 1382# ifdef hp9000s500
1383# include <ndir.h> /* may be wrong in the future */
1384# else
1385# include <sys/dir.h>
1386# endif
663a0e37
LW		 1387# endif
1388# endif
4633a7c4 1389#endif
a687059c 1390
12ae5dfc
JH		 1391#ifdef PERL_MICRO
1392# ifndef DIR
1393# define DIR void
1394# endif
1395#endif
1396
352d5a3a
LW		 1397#ifdef FPUTS_BOTCH
1398/* work around botch in SunOS 4.0.1 and 4.0.2 */
1399# ifndef fputs
79072805 1400# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1401# endif
1402#endif
1403
c623bd54
LW		 1404/*
1405 * The following gobbledygook brought to you on behalf of __STDC__.
1406 * (I could just use #ifndef __STDC__, but this is more bulletproof
1407 * in the face of half-implementations.)
1408 */
1409
7114a2d2 1410#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1411#include <sys/mode.h>
1412#endif
1413
c623bd54
LW		 1414#ifndef S_IFMT
1415# ifdef _S_IFMT
1416# define S_IFMT _S_IFMT
1417# else
1418# define S_IFMT 0170000
1419# endif
1420#endif
1421
1422#ifndef S_ISDIR
1423# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1424#endif
1425
1426#ifndef S_ISCHR
1427# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1428#endif
1429
1430#ifndef S_ISBLK
fe14fcc3
LW		 1431# ifdef S_IFBLK
1432# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1433# else
1434# define S_ISBLK(m) (0)
1435# endif
c623bd54
LW		 1436#endif
1437
1438#ifndef S_ISREG
1439# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1440#endif
1441
1442#ifndef S_ISFIFO
fe14fcc3
LW		 1443# ifdef S_IFIFO
1444# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1445# else
1446# define S_ISFIFO(m) (0)
1447# endif
c623bd54
LW		 1448#endif
1449
1450#ifndef S_ISLNK
1451# ifdef _S_ISLNK
1452# define S_ISLNK(m) _S_ISLNK(m)
1453# else
1454# ifdef _S_IFLNK
1455# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1456# else
1457# ifdef S_IFLNK
1458# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1459# else
1460# define S_ISLNK(m) (0)
1461# endif
1462# endif
1463# endif
1464#endif
1465
1466#ifndef S_ISSOCK
1467# ifdef _S_ISSOCK
1468# define S_ISSOCK(m) _S_ISSOCK(m)
1469# else
1470# ifdef _S_IFSOCK
1471# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1472# else
1473# ifdef S_IFSOCK
1474# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1475# else
1476# define S_ISSOCK(m) (0)
1477# endif
1478# endif
1479# endif
1480#endif
1481
1482#ifndef S_IRUSR
1483# ifdef S_IREAD
1484# define S_IRUSR S_IREAD
1485# define S_IWUSR S_IWRITE
1486# define S_IXUSR S_IEXEC
1487# else
1488# define S_IRUSR 0400
1489# define S_IWUSR 0200
1490# define S_IXUSR 0100
1491# endif
fac7cdfc
JS		 1492#endif
1493
1494#ifndef S_IRGRP
1495# ifdef S_IRUSR
1496# define S_IRGRP (S_IRUSR>>3)
1497# define S_IWGRP (S_IWUSR>>3)
1498# define S_IXGRP (S_IXUSR>>3)
1499# else
1500# define S_IRGRP 0040
1501# define S_IWGRP 0020
1502# define S_IXGRP 0010
1503# endif
1504#endif
1505
1506#ifndef S_IROTH
1507# ifdef S_IRUSR
1508# define S_IROTH (S_IRUSR>>6)
1509# define S_IWOTH (S_IWUSR>>6)
1510# define S_IXOTH (S_IXUSR>>6)
1511# else
1512# define S_IROTH 0040
1513# define S_IWOTH 0020
1514# define S_IXOTH 0010
1515# endif
c623bd54
LW		 1516#endif
1517
1518#ifndef S_ISUID
1519# define S_ISUID 04000
1520#endif
1521
1522#ifndef S_ISGID
1523# define S_ISGID 02000
1524#endif
1525
ca6e1c26
JH		 1526#ifndef S_IRWXU
1527# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1528#endif
ca6e1c26
JH		 1529
1530#ifndef S_IRWXG
1531# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1532#endif
ca6e1c26
JH		 1533
1534#ifndef S_IRWXO
1535# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1536#endif
ca6e1c26 1537
c21fb2b8
JH		 1538/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1539 * which would get included through <sys/file.h >, but that is 3000
1540 * lines in the future. --jhi */
1541
1542#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 1543# define S_IREAD S_IRUSR
1544#endif
1545
c21fb2b8 1546#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1547# define S_IWRITE S_IWUSR
1548#endif
1549
1550#ifndef S_IEXEC
1551# define S_IEXEC S_IXUSR
1552#endif
1553
79072805
LW		 1554#ifdef ff_next
1555# undef ff_next
352d5a3a
LW		 1556#endif
1557
a0d0e21e 1558#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1559# define SLOPPYDIVIDE
1560#endif
1561
748a9306
LW		 1562#ifdef UV
1563#undef UV
1564#endif
1565
c89df6bf
JH		 1566#ifdef SPRINTF_E_BUG
1567# define sprintf UTS_sprintf_wrap
1568#endif
1569
ce582cee
NC		 1570/* For the times when you want the return value of sprintf, and you want it
1571 to be the length. Can't have a thread variable passed in, because C89 has
1572 no varargs macros.
1573*/
1574#ifdef SPRINTF_RETURNS_STRLEN
1575# define my_sprintf sprintf
1576#else
1577# define my_sprintf Perl_my_sprintf
1578#endif
1579
5b692037
JH		 1580/*
1581 * If we have v?snprintf() and the C99 variadic macros, we can just
1582 * use just the v?snprintf(). It is nice to try to trap the buffer
1583 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1584 * gcc statement expressions, then use the function wrappers which try
1585 * to trap the overflow. If we can use the gcc statement expressions,
1586 * we can try that even with the version that uses the C99 variadic
1587 * macros.
5b692037
JH		 1588 */
1589
1208b3dd
JH		 1590/* Note that we do not check against snprintf()/vsnprintf() returning
1591 * negative values because that is non-standard behaviour and we use
1592 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1593 * that should be true only if the snprintf()/vsnprintf() are true
1594 * to the standard. */
1595
dfeee9b1 1596#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1597# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1598# 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 1599# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1600# else
1601# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1602# endif
1603#else
1604# define my_snprintf Perl_my_snprintf
1208b3dd 1605# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1606#endif
1607
dfeee9b1 1608#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1609# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1610# 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 1611# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1612# else
1613# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1614# endif
1615#else
1616# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1617# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1618#endif
d9fad198 1619
a6cc4119
SP		 1620#ifdef HAS_STRLCAT
1621# define my_strlcat strlcat
1622#else
1623# define my_strlcat Perl_my_strlcat
1624#endif
1625
1626#ifdef HAS_STRLCPY
1627# define my_strlcpy strlcpy
1628#else
1629# define my_strlcpy Perl_my_strlcpy
1630#endif
1631
c495e728
JH		 1632/* Configure gets this right but the UTS compiler gets it wrong.
1633 -- Hal Morris <hom00@utsglobal.com> */
1634#ifdef UTS
1635# undef UVTYPE
1636# define UVTYPE unsigned
1637#endif
1638
05f13f53 1639/*
27d4fb96 1640 The IV type is supposed to be long enough to hold any integral
1641 value or a pointer.
1642 --Andy Dougherty August 1996
1643*/
1644
a22e52b9
JH		 1645typedef IVTYPE IV;
1646typedef UVTYPE UV;
8175356b 1647
10cc9d2a 1648#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1649# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1650# define IV_MAX INT64_MAX
1651# define IV_MIN INT64_MIN
1652# define UV_MAX UINT64_MAX
cae7ae48
JH		 1653# ifndef UINT64_MIN
1654# define UINT64_MIN 0
1655# endif
5ff3f7a4
GS		 1656# define UV_MIN UINT64_MIN
1657# else
1658# define IV_MAX PERL_QUAD_MAX
1659# define IV_MIN PERL_QUAD_MIN
1660# define UV_MAX PERL_UQUAD_MAX
1661# define UV_MIN PERL_UQUAD_MIN
1662# endif
cf2093f6
JH		 1663# define IV_IS_QUAD
1664# define UV_IS_QUAD
79072805 1665#else
8175356b 1666# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1667# define IV_MAX INT32_MAX
1668# define IV_MIN INT32_MIN
716026f9
DL		 1669# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1670# define UV_MAX UINT32_MAX
1671# else
1672# define UV_MAX 4294967295U
1673# endif
cae7ae48
JH		 1674# ifndef UINT32_MIN
1675# define UINT32_MIN 0
1676# endif
5ff3f7a4
GS		 1677# define UV_MIN UINT32_MIN
1678# else
1679# define IV_MAX PERL_LONG_MAX
1680# define IV_MIN PERL_LONG_MIN
1681# define UV_MAX PERL_ULONG_MAX
1682# define UV_MIN PERL_ULONG_MIN
1683# endif
8175356b 1684# if IVSIZE == 8
cf2093f6
JH		 1685# define IV_IS_QUAD
1686# define UV_IS_QUAD
de1c2614
JH		 1687# ifndef HAS_QUAD
1688# define HAS_QUAD
1689# endif
cf2093f6
JH		 1690# else
1691# undef IV_IS_QUAD
1692# undef UV_IS_QUAD
de1c2614 1693# undef HAS_QUAD
cf2093f6 1694# endif
79072805 1695#endif
d7d93a81 1696
1109a392
MHM		 1697#ifndef HAS_QUAD
1698# undef PERL_NEED_MY_HTOLE64
1699# undef PERL_NEED_MY_LETOH64
1700# undef PERL_NEED_MY_HTOBE64
1701# undef PERL_NEED_MY_BETOH64
1702#endif
1703
6cde8aec 1704#if defined(uts) || defined(UTS)
11afe549
HM		 1705# undef UV_MAX
1706# define UV_MAX (4294967295u)
20601011
JH		 1707#endif
1708
cae7ae48 1709#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1710#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1711
28e5dec8 1712#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1713#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1714#endif
1715
d460ef45 1716/*
26bb67e2
JH		 1717 * The macros INT2PTR and NUM2PTR are (despite their names)
1718 * bi-directional: they will convert int/float to or from pointers.
1719 * However the conversion to int/float are named explicitly:
1720 * PTR2IV, PTR2UV, PTR2NV.
1721 *
1722 * For int conversions we do not need two casts if pointers are
1723 * the same size as IV and UV. Otherwise we need an explicit
1724 * cast (PTRV) to avoid compiler warnings.
1725 */
56431972
RB		 1726#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1727# define PTRV UV
1728# define INT2PTR(any,d) (any)(d)
1729#else
d460ef45 1730# if PTRSIZE == LONGSIZE
56431972 1731# define PTRV unsigned long
e91e3b10 1732# define PTR2ul(p) (unsigned long)(p)
42718184 1733# else
56431972 1734# define PTRV unsigned
42718184 1735# endif
e91e3b10
RB		 1736#endif
1737
1738#ifndef INT2PTR
56431972 1739# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1740#endif
e91e3b10
RB		 1741
1742#ifndef PTR2ul
1743# define PTR2ul(p) INT2PTR(unsigned long,p)
1744#endif
1745
56431972
RB		 1746#define NUM2PTR(any,d) (any)(PTRV)(d)
1747#define PTR2IV(p) INT2PTR(IV,p)
1748#define PTR2UV(p) INT2PTR(UV,p)
1749#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1750#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1751
8141890a
JH		 1752/* According to strict ANSI C89 one cannot freely cast between
1753 * data pointers and function (code) pointers. There are at least
1754 * two ways around this. One (used below) is to do two casts,
1755 * first the other pointer to an (unsigned) integer, and then
1756 * the integer to the other pointer. The other way would be
1757 * to use unions to "overlay" the pointers. For an example of
1758 * the latter technique, see union dirpu in struct xpvio in sv.h.
1759 * The only feasible use is probably temporarily storing
1760 * function pointers in a data pointer (such as a void pointer). */
1761
e91e3b10
RB		 1762#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1763#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1764
65202027 1765#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1766# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1767# define LONG_DOUBLE_EQUALS_DOUBLE
1768# endif
68d4903c 1769# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1770# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1771# endif
1772#endif
1773
2d4389e4
JH		 1774#ifdef OVR_DBL_DIG
1775/* Use an overridden DBL_DIG */
1776# ifdef DBL_DIG
1777# undef DBL_DIG
1778# endif
1779# define DBL_DIG OVR_DBL_DIG
1780#else
1781/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1782 default value for printing floating point numbers in Gconvert
1783 (see config.h). (It also has other uses, such as figuring out if
1784 a given precision of printing can be done with a double instead of
1785 a long double - Allen).
2d4389e4
JH		 1786*/
1787#ifdef I_LIMITS
1788#include <limits.h>
1789#endif
1790#ifdef I_FLOAT
1791#include <float.h>
1792#endif
1793#ifndef HAS_DBL_DIG
1794#define DBL_DIG 15 /* A guess that works lots of places */
1795#endif
1796#endif
1797
1798#ifdef OVR_LDBL_DIG
1799/* Use an overridden LDBL_DIG */
1800# ifdef LDBL_DIG
1801# undef LDBL_DIG
1802# endif
1803# define LDBL_DIG OVR_LDBL_DIG
1804#else
1805/* The following is all to get LDBL_DIG, in order to pick a nice
1806 default value for printing floating point numbers in Gconvert.
1807 (see config.h)
1808*/
68d4903c
JH		 1809# ifdef I_LIMITS
1810# include <limits.h>
1811# endif
1812# ifdef I_FLOAT
1813# include <float.h>
1814# endif
1815# ifndef HAS_LDBL_DIG
1816# if LONG_DOUBLESIZE == 10
1817# define LDBL_DIG 18 /* assume IEEE */
1818# else
1819# if LONG_DOUBLESIZE == 12
1820# define LDBL_DIG 18 /* gcc? */
1821# else
1822# if LONG_DOUBLESIZE == 16
1823# define LDBL_DIG 33 /* assume IEEE */
1824# else
1825# if LONG_DOUBLESIZE == DOUBLESIZE
1826# define LDBL_DIG DBL_DIG /* bummer */
1827# endif
1828# endif
1829# endif
1830# endif
1831# endif
2d4389e4
JH		 1832#endif
1833
20f6aaab
AS		 1834/*
1835 * This is for making sure we have a good DBL_MAX value, if possible,
1836 * either for usage as NV_MAX or for usage in figuring out if we can
1837 * fit a given long double into a double, if bug-fixing makes it
1838 * necessary to do so. - Allen <allens@cpan.org>
1839 */
1840
205f51d8
AS		 1841#ifdef I_LIMITS
1842# include <limits.h>
20f6aaab
AS		 1843#endif
1844
205f51d8
AS		 1845#ifdef I_VALUES
1846# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1847# include <values.h>
1848# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1849# define DBL_MAX MAXDOUBLE
1850# endif
1851# if defined(MINDOUBLE) && !defined(DBL_MIN)
1852# define DBL_MIN MINDOUBLE
1853# endif
1854# endif
1855#endif /* defined(I_VALUES) */
1856
a22e52b9 1857typedef NVTYPE NV;
8175356b 1858
792d8dab
JH		 1859#ifdef I_IEEEFP
1860# include <ieeefp.h>
1861#endif
923fc586 1862
65202027 1863#ifdef USE_LONG_DOUBLE
923fc586
JH		 1864# ifdef I_SUNMATH
1865# include <sunmath.h>
1866# endif
2d4389e4 1867# define NV_DIG LDBL_DIG
d6c14000
JH		 1868# ifdef LDBL_MANT_DIG
1869# define NV_MANT_DIG LDBL_MANT_DIG
1870# endif
06fc1729
JH		 1871# ifdef LDBL_MIN
1872# define NV_MIN LDBL_MIN
1873# endif
1874# ifdef LDBL_MAX
1875# define NV_MAX LDBL_MAX
1876# endif
1877# ifdef LDBL_MIN_10_EXP
1878# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1879# endif
1880# ifdef LDBL_MAX_10_EXP
1881# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1882# endif
1883# ifdef LDBL_EPSILON
1884# define NV_EPSILON LDBL_EPSILON
1885# endif
f4a14a62
JH		 1886# ifdef LDBL_MAX
1887# define NV_MAX LDBL_MAX
20f6aaab 1888/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1889# else
1890# ifdef HUGE_VALL
1891# define NV_MAX HUGE_VALL
1892# else
1893# ifdef HUGE_VAL
1894# define NV_MAX ((NV)HUGE_VAL)
1895# endif
1896# endif
1897# endif
68d4903c 1898# ifdef HAS_SQRTL
68d4903c
JH		 1899# define Perl_cos cosl
1900# define Perl_sin sinl
1901# define Perl_sqrt sqrtl
1902# define Perl_exp expl
1903# define Perl_log logl
1904# define Perl_atan2 atan2l
1905# define Perl_pow powl
1906# define Perl_floor floorl
1bbae031 1907# define Perl_ceil ceill
68d4903c
JH		 1908# define Perl_fmod fmodl
1909# endif
a3540c92
JH		 1910/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1911# ifdef HAS_MODFL
1912# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1913/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1914 prototype in <math.h> */
1915# ifndef HAS_MODFL_PROTO
a221a8a5 1916EXTERN_C long double modfl(long double, long double *);
51997bc3 1917# endif
03476e8e
JH		 1918# else
1919# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1920 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1921# define Perl_modf(x,y) Perl_my_modfl(x,y)
1922# endif
a3540c92
JH		 1923# endif
1924# ifdef HAS_FREXPL
dff3e0b8 1925# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1926# else
1927# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1928 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1929# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1930# endif
a3540c92 1931# endif
38dbb4c5 1932# ifndef Perl_isnan
758a5d79
JH		 1933# ifdef HAS_ISNANL
1934# define Perl_isnan(x) isnanl(x)
1935# endif
1936# endif
1937# ifndef Perl_isinf
1938# ifdef HAS_FINITEL
1939# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1940# endif
1941# endif
65202027 1942#else
2d4389e4 1943# define NV_DIG DBL_DIG
d6c14000
JH		 1944# ifdef DBL_MANT_DIG
1945# define NV_MANT_DIG DBL_MANT_DIG
1946# endif
06fc1729
JH		 1947# ifdef DBL_MIN
1948# define NV_MIN DBL_MIN
1949# endif
1950# ifdef DBL_MAX
1951# define NV_MAX DBL_MAX
1952# endif
1953# ifdef DBL_MIN_10_EXP
1954# define NV_MIN_10_EXP DBL_MIN_10_EXP
1955# endif
1956# ifdef DBL_MAX_10_EXP
1957# define NV_MAX_10_EXP DBL_MAX_10_EXP
1958# endif
1959# ifdef DBL_EPSILON
1960# define NV_EPSILON DBL_EPSILON
1961# endif
205f51d8 1962# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1963# define NV_MAX DBL_MAX
1964# define NV_MIN DBL_MIN
1965# else
1966# ifdef HUGE_VAL
1967# define NV_MAX HUGE_VAL
1968# endif
1969# endif
65202027
DS		 1970# define Perl_cos cos
1971# define Perl_sin sin
1972# define Perl_sqrt sqrt
1973# define Perl_exp exp
1974# define Perl_log log
1975# define Perl_atan2 atan2
1976# define Perl_pow pow
1977# define Perl_floor floor
1bbae031 1978# define Perl_ceil ceil
65202027 1979# define Perl_fmod fmod
a3540c92 1980# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1981# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1982#endif
1983
1984/* rumor has it that Win32 has _fpclass() */
1985
205f51d8
AS		 1986/* SGI has fpclassl... but not with the same result values,
1987 * and it's via a typedef (not via #define), so will need to redo Configure
1988 * to use. Not worth the trouble, IMO, at least until the below is used
1989 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1990 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1991 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1992
758a5d79
JH		 1993#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1994# ifdef I_IEEFP
1995# include <ieeefp.h>
1996# endif
1997# ifdef I_FP
1998# include <fp.h>
1999# endif
2000# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2001# define Perl_fp_class() fpclassl(x)
2002# else
2003# define Perl_fp_class() fpclass(x)
2004# endif
2005# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2006# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2007# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2008# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2009# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2010# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2011# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2012# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2013# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2014# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2015# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2016# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2017# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2018# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2019# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2020#endif
2021
7114a2d2 2022#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2023# include <math.h>
2024# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2025# include <fp_class.h>
2026# endif
2027# define Perl_fp_class(x) fp_class(x)
2028# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2029# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2030# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2031# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2032# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2033# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2034# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2035# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2036# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2037# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2038# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2039# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2040# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2041# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2042# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2043#endif
2044
2045#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2046# include <math.h>
2047# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2048# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2049# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2050# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2051# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2052# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2053#endif
2054
2055#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2056# include <math.h>
2057# ifndef _cplusplus
2058# define Perl_fp_class(x) class(x)
2059# else
2060# define Perl_fp_class(x) _class(x)
2061# endif
2062# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2063# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2064# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2065# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2066# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2067# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2068# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2069# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2070# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2071# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2072# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2073# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2074# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2075# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2076# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2077#endif
2078
2079/* rumor has it that Win32 has _isnan() */
2080
2081#ifndef Perl_isnan
a3540c92 2082# ifdef HAS_ISNAN
758a5d79
JH		 2083# define Perl_isnan(x) isnan((NV)x)
2084# else
2085# ifdef Perl_fp_class_nan
2086# define Perl_isnan(x) Perl_fp_class_nan(x)
2087# else
2088# ifdef HAS_UNORDERED
2089# define Perl_isnan(x) unordered((x), 0.0)
2090# else
2091# define Perl_isnan(x) ((x)!=(x))
2092# endif
2093# endif
2094# endif
2095#endif
2096
ca6c63e1
JH		 2097#ifdef UNDER_CE
2098int isnan(double d);
2099#endif
2100
758a5d79
JH		 2101#ifndef Perl_isinf
2102# ifdef HAS_ISINF
2103# define Perl_isinf(x) isinf((NV)x)
a3540c92 2104# else
758a5d79
JH		 2105# ifdef Perl_fp_class_inf
2106# define Perl_isinf(x) Perl_fp_class_inf(x)
2107# else
2108# define Perl_isinf(x) ((x)==NV_INF)
2109# endif
2110# endif
2111#endif
2112
2113#ifndef Perl_isfinite
2114# ifdef HAS_FINITE
2115# define Perl_isfinite(x) finite((NV)x)
2116# else
2117# ifdef HAS_ISFINITE
2118# define Perl_isfinite(x) isfinite(x)
2119# else
2120# ifdef Perl_fp_class_finite
2121# define Perl_isfinite(x) Perl_fp_class_finite(x)
2122# else
2123# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2124# endif
2125# endif
a3540c92 2126# endif
65202027
DS		 2127#endif
2128
a36244b7
JH		 2129/* The default is to use Perl's own atof() implementation (in numeric.c).
2130 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2131 * it is however best to use the native implementation of atof.
2132 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2133 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2134 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2135 * you may need to be using a different function than atof! */
a36244b7
JH		 2136
2137#ifndef USE_PERL_ATOF
2138# ifndef _UNICOS
2139# define USE_PERL_ATOF
2140# endif
2141#else
2142# if USE_PERL_ATOF == 0
2143# undef USE_PERL_ATOF
2144# endif
2145#endif
2146
2147#ifdef USE_PERL_ATOF
2148# define Perl_atof(s) Perl_my_atof(s)
2149# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2150#else
2151# define Perl_atof(s) (NV)atof(s)
2152# define Perl_atof2(s, n) ((n) = atof(s))
2153#endif
cf2093f6 2154
d460ef45 2155/* Previously these definitions used hardcoded figures.
760ac839
LW		 2156 * It is hoped these formula are more portable, although
2157 * no data one way or another is presently known to me.
2158 * The "PERL_" names are used because these calculated constants
2159 * do not meet the ANSI requirements for LONG_MAX, etc., which
2160 * need to be constants acceptable to #if - kja
2161 * define PERL_LONG_MAX 2147483647L
2162 * define PERL_LONG_MIN (-LONG_MAX - 1)
2163 * define PERL ULONG_MAX 4294967295L
2164 */
2165
2166#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2167# include <limits.h>
760ac839 2168#endif
205f51d8
AS		 2169/* Included values.h above if necessary; still including limits.h down here,
2170 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2171
99abf803 2172/*
2173 * Try to figure out max and min values for the integral types. THE CORRECT
2174 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2175 * following hacks are used if neither limits.h or values.h provide them:
2176 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2177 * for types < int: (unsigned TYPE)~(unsigned)0
2178 * The argument to ~ must be unsigned so that later signed->unsigned
2179 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2180 * and it must not be smaller than int because ~ does integral promotion.
2181 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2182 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2183 * The latter is a hack which happens to work on some machines but
2184 * does *not* catch any random system, or things like integer types
2185 * with NaN if that is possible.
2186 *
2187 * All of the types are explicitly cast to prevent accidental loss of
2188 * numeric range, and in the hope that they will be less likely to confuse
2189 * over-eager optimizers.
2190 *
2191 */
27d4fb96 2192
99abf803 2193#define PERL_UCHAR_MIN ((unsigned char)0)
2194
2195#ifdef UCHAR_MAX
2196# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2197#else
99abf803 2198# ifdef MAXUCHAR
2199# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2200# else
99abf803 2201# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2202# endif
2203#endif
d460ef45 2204
99abf803 2205/*
2206 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2207 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2208 * depending on local options. Until Configure detects this (or at least
2209 * detects whether the "signed" keyword is available) the CHAR ranges
2210 * will not be included. UCHAR functions normally.
2211 * - kja
2212 */
27d4fb96 2213
99abf803 2214#define PERL_USHORT_MIN ((unsigned short)0)
2215
2216#ifdef USHORT_MAX
2217# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2218#else
99abf803 2219# ifdef MAXUSHORT
2220# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2221# else
ef2f54b0
CB		 2222# ifdef USHRT_MAX
2223# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2224# else
2225# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2226# endif
27d4fb96 2227# endif
2228#endif
2229
27d4fb96 2230#ifdef SHORT_MAX
99abf803 2231# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2232#else
2233# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2234# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2235# else
ef2f54b0
CB		 2236# ifdef SHRT_MAX
2237# define PERL_SHORT_MAX ((short)SHRT_MAX)
2238# else
2239# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2240# endif
27d4fb96 2241# endif
2242#endif
2243
2244#ifdef SHORT_MIN
99abf803 2245# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2246#else
2247# ifdef MINSHORT
99abf803 2248# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2249# else
ef2f54b0
CB		 2250# ifdef SHRT_MIN
2251# define PERL_SHORT_MIN ((short)SHRT_MIN)
2252# else
2253# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2254# endif
27d4fb96 2255# endif
2256#endif
2257
99abf803 2258#ifdef UINT_MAX
2259# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2260#else
99abf803 2261# ifdef MAXUINT
2262# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2263# else
99abf803 2264# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2265# endif
2266#endif
2267
99abf803 2268#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2269
2270#ifdef INT_MAX
99abf803 2271# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2272#else
2273# ifdef MAXINT /* Often used in <values.h> */
99abf803 2274# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2275# else
99abf803 2276# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2277# endif
2278#endif
2279
2280#ifdef INT_MIN
99abf803 2281# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2282#else
2283# ifdef MININT
99abf803 2284# define PERL_INT_MIN ((int)MININT)
27d4fb96 2285# else
2286# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2287# endif
2288#endif
2289
99abf803 2290#ifdef ULONG_MAX
2291# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2292#else
99abf803 2293# ifdef MAXULONG
2294# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2295# else
99abf803 2296# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2297# endif
2298#endif
2299
99abf803 2300#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2301
760ac839 2302#ifdef LONG_MAX
99abf803 2303# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2304#else
2305# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2306# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2307# else
99abf803 2308# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2309# endif
2310#endif
2311
2312#ifdef LONG_MIN
99abf803 2313# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2314#else
2315# ifdef MINLONG
99abf803 2316# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2317# else
27d4fb96 2318# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2319# endif
2320#endif
2321
d7d93a81 2322#ifdef UV_IS_QUAD
99abf803 2323
99abf803 2324# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2325# define PERL_UQUAD_MIN ((UV)0)
99abf803 2326# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2327# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2328
79072805
LW		 2329#endif
2330
22f7c9c9
JH		 2331#ifdef MYMALLOC
2332# include "malloc_ctl.h"
2333#endif
2334
830247a4 2335struct RExC_state_t;
8e11feef 2336struct _reg_trie_data;
880b20b6 2337
ee0007ab 2338typedef MEM_SIZE STRLEN;
450a55e4 2339
598921a7
NC		 2340#ifdef PERL_MAD
2341typedef struct token TOKEN;
2342typedef struct madprop MADPROP;
2343typedef struct nexttoken NEXTTOKE;
2344#endif
79072805
LW		 2345typedef struct op OP;
2346typedef struct cop COP;
2347typedef struct unop UNOP;
2348typedef struct binop BINOP;
2349typedef struct listop LISTOP;
2350typedef struct logop LOGOP;
79072805
LW		 2351typedef struct pmop PMOP;
2352typedef struct svop SVOP;
7934575e 2353typedef struct padop PADOP;
79072805 2354typedef struct pvop PVOP;
79072805
LW		 2355typedef struct loop LOOP;
2356
cd1541b2
NC		 2357typedef struct interpreter PerlInterpreter;
2358
d2b3f365
SS		 2359/* Amdahl's <ksync.h> has struct sv */
2360/* SGI's <sys/sema.h> has struct sv */
2361#if defined(UTS) || defined(__sgi)
2362# define STRUCT_SV perl_sv
b8d3c5db
JH		 2363#else
2364# define STRUCT_SV sv
2365#endif
2366typedef struct STRUCT_SV SV;
79072805
LW		 2367typedef struct av AV;
2368typedef struct hv HV;
2369typedef struct cv CV;
288b8c02 2370typedef struct regexp ORANGE; /* This is the body structure. */
d2f13c59 2371typedef struct p5rx REGEXP;
79072805 2372typedef struct gp GP;
0c30d9ec 2373typedef struct gv GV;
8990e307 2374typedef struct io IO;
c09156bb 2375typedef struct context PERL_CONTEXT;
79072805
LW		 2376typedef struct block BLOCK;
2377
2378typedef struct magic MAGIC;
2379typedef struct xpv XPV;
2380typedef struct xpviv XPVIV;
ff68c719 2381typedef struct xpvuv XPVUV;
79072805
LW		 2382typedef struct xpvnv XPVNV;
2383typedef struct xpvmg XPVMG;
2384typedef struct xpvlv XPVLV;
2385typedef struct xpvav XPVAV;
2386typedef struct xpvhv XPVHV;
2387typedef struct xpvgv XPVGV;
2388typedef struct xpvcv XPVCV;
2389typedef struct xpvbm XPVBM;
2390typedef struct xpvfm XPVFM;
8990e307 2391typedef struct xpvio XPVIO;
79072805
LW		 2392typedef struct mgvtbl MGVTBL;
2393typedef union any ANY;
5f7fde29
GS		 2394typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2395typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2396typedef struct clone_params CLONE_PARAMS;
2397
378cc40b 2398#include "handy.h"
a0d0e21e 2399
6b8eaf93 2400#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2401# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2402# define USE_64_BIT_RAWIO /* implicit */
2403# endif
4564133c
JH		 2404#endif
2405
6b8eaf93
JH		 2406/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2407 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2408 * however, because operating systems like to do that themself. */
2409#ifndef FSEEKSIZE
2410# ifdef HAS_FSEEKO
2411# define FSEEKSIZE LSEEKSIZE
2412# else
2413# define FSEEKSIZE LONGSIZE
d460ef45 2414# endif
6b8eaf93
JH		 2415#endif
2416
2417#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2418# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2419# define USE_64_BIT_STDIO /* implicit */
2420# endif
2421#endif
4564133c 2422
09458382 2423#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2424# ifdef HAS_OFF64_T
2425# undef Off_t
2426# define Off_t off64_t
2427# undef LSEEKSIZE
2428# define LSEEKSIZE 8
5ff3f7a4 2429# endif
d9b3e12d
JH		 2430/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2431 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2432 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2433# if defined(USE_OPEN64)
2434# define open open64
5ff3f7a4 2435# endif
d9b3e12d
JH		 2436# if defined(USE_LSEEK64)
2437# define lseek lseek64
6b8eaf93
JH		 2438# else
2439# if defined(USE_LLSEEK)
2440# define lseek llseek
2441# endif
d9b3e12d
JH		 2442# endif
2443# if defined(USE_STAT64)
2444# define stat stat64
2445# endif
2446# if defined(USE_FSTAT64)
2447# define fstat fstat64
2448# endif
2449# if defined(USE_LSTAT64)
2450# define lstat lstat64
2451# endif
2452# if defined(USE_FLOCK64)
2453# define flock flock64
2454# endif
2455# if defined(USE_LOCKF64)
2456# define lockf lockf64
2457# endif
2458# if defined(USE_FCNTL64)
2459# define fcntl fcntl64
2460# endif
2461# if defined(USE_TRUNCATE64)
2462# define truncate truncate64
2463# endif
2464# if defined(USE_FTRUNCATE64)
2465# define ftruncate ftruncate64
2466# endif
2467#endif
2468
2469#ifdef USE_64_BIT_STDIO
2470# ifdef HAS_FPOS64_T
2471# undef Fpos_t
2472# define Fpos_t fpos64_t
2473# endif
2474/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2475 * will trigger defines like the ones below. Some 64-bit environments,
2476 * however, do not. */
2477# if defined(USE_FOPEN64)
2478# define fopen fopen64
2479# endif
2480# if defined(USE_FSEEK64)
6b8eaf93 2481# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2482# endif
2483# if defined(USE_FTELL64)
6b8eaf93 2484# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2485# endif
2486# if defined(USE_FSETPOS64)
2487# define fsetpos fsetpos64
2488# endif
2489# if defined(USE_FGETPOS64)
2490# define fgetpos fgetpos64
2491# endif
2492# if defined(USE_TMPFILE64)
2493# define tmpfile tmpfile64
2494# endif
2495# if defined(USE_FREOPEN64)
2496# define freopen freopen64
5ff3f7a4
GS		 2497# endif
2498#endif
2499
af8b425d 2500#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2501# include "iperlsys.h"
2502#endif
2503
6f71a643 2504#if defined(__OPEN_VM)
19848b3f
JH		 2505# include "vmesa/vmesaish.h"
2506# define ISHISH "vmesa"
6f71a643
JH		 2507#endif
2508
748a9306 2509#ifdef DOSISH
19848b3f
JH		 2510# if defined(OS2)
2511# include "os2ish.h"
2512# else
2513# include "dosish.h"
2514# endif
2515# define ISHISH "dos"
2516#endif
2517
2518#if defined(VMS)
748a9306 2519# include "vmsish.h"
96e176bf 2520# include "embed.h"
eb8433b7
NC		 2521# ifndef PERL_MAD
2522# undef op_getmad
b3f24c00 2523# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2524# endif
19848b3f
JH		 2525# define ISHISH "vms"
2526#endif
2527
2528#if defined(PLAN9)
2529# include "./plan9/plan9ish.h"
2530# define ISHISH "plan9"
2531#endif
2532
2533#if defined(MPE)
2534# include "mpeix/mpeixish.h"
2535# define ISHISH "mpeix"
2536#endif
2537
2538#if defined(__VOS__)
196918b0
PG		 2539# ifdef __GNUC__
2540# include "./vos/vosish.h"
2541# else
2542# include "vos/vosish.h"
2543# endif
19848b3f
JH		 2544# define ISHISH "vos"
2545#endif
2546
2547#if defined(EPOC)
2548# include "epocish.h"
2549# define ISHISH "epoc"
2550#endif
2551
9969cdde 2552#ifdef __SYMBIAN32__
27da23d5
JH		 2553# include "symbian/symbianish.h"
2554# include "embed.h"
eb8433b7
NC		 2555# ifndef PERL_MAD
2556# undef op_getmad
b3f24c00 2557# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2558# endif
27da23d5
JH		 2559# define ISHISH "symbian"
2560#endif
2561
19848b3f
JH		 2562#if defined(MACOS_TRADITIONAL)
2563# include "macos/macish.h"
2564# ifndef NO_ENVIRON_ARRAY
2565# define NO_ENVIRON_ARRAY
0c30d9ec 2566# endif
19848b3f
JH		 2567# define ISHISH "macos classic"
2568#endif
2569
efca5cc6
JH		 2570#if defined(__BEOS__)
2571# include "beos/beosish.h"
2572# define ISHISH "beos"
2573#endif
2574
19848b3f
JH		 2575#ifndef ISHISH
2576# include "unixish.h"
2577# define ISHISH "unix"
13b6e58c
JH		 2578#endif
2579
2946a158
JH		 2580/* NSIG logic from Configure --> */
2581/* Strange style to avoid deeply-nested #if/#else/#endif */
2582#ifndef NSIG
2583# ifdef _NSIG
2584# define NSIG (_NSIG)
2585# endif
2586#endif
2587
2588#ifndef NSIG
2589# ifdef SIGMAX
2590# define NSIG (SIGMAX+1)
2591# endif
2592#endif
2593
2594#ifndef NSIG
2595# ifdef SIG_MAX
2596# define NSIG (SIG_MAX+1)
2597# endif
2598#endif
2599
2600#ifndef NSIG
2601# ifdef _SIG_MAX
2602# define NSIG (_SIG_MAX+1)
2603# endif
2604#endif
2605
2606#ifndef NSIG
2607# ifdef MAXSIG
2608# define NSIG (MAXSIG+1)
2609# endif
2610#endif
2611
2612#ifndef NSIG
2613# ifdef MAX_SIG
2614# define NSIG (MAX_SIG+1)
2615# endif
2616#endif
2617
2618#ifndef NSIG
2619# ifdef SIGARRAYSIZE
2620# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2621# endif
2622#endif
2623
2624#ifndef NSIG
2625# ifdef _sys_nsig
2626# define NSIG (_sys_nsig) /* Solaris 2.5 */
2627# endif
2628#endif
2629
2630/* Default to some arbitrary number that's big enough to get most
2631 of the common signals.
2632*/
2633#ifndef NSIG
2634# define NSIG 50
2635#endif
2636/* <-- NSIG logic from Configure */
2637
13b6e58c
JH		 2638#ifndef NO_ENVIRON_ARRAY
2639# define USE_ENVIRON_ARRAY
2640#endif
32f822de 2641
c77b533b
JH		 2642/*
2643 * initialise to avoid floating-point exceptions from overflow, etc
2644 */
2645#ifndef PERL_FPU_INIT
2646# ifdef HAS_FPSETMASK
2647# if HAS_FLOATINGPOINT_H
2648# include <floatingpoint.h>
2649# endif
7f7c3354 2650# define PERL_FPU_INIT fpsetmask(0)
c77b533b 2651# else
2f42fcb0 2652# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2653# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2654# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2655# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2656# else
2657# define PERL_FPU_INIT
2f42fcb0 2658
7014c407 2659# endif
c77b533b
JH		 2660# endif
2661#endif
b35112e7
CS		 2662#ifndef PERL_FPU_PRE_EXEC
2663# define PERL_FPU_PRE_EXEC {
2664# define PERL_FPU_POST_EXEC }
2665#endif
c77b533b 2666
cbec8ebe
DM		 2667#ifndef PERL_SYS_INIT3_BODY
2668# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2669#endif
2670
cbec8ebe
DM		 2671#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2672#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2673#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2674
be708cc0
JH		 2675#ifndef PERL_WRITE_MSG_TO_CONSOLE
2676# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2677#endif
2678
0f31cffe
GS		 2679#ifndef MAXPATHLEN
2680# ifdef PATH_MAX
b990c8b2
JH		 2681# ifdef _POSIX_PATH_MAX
2682# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2683/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2684 * included the null byte or not. Later amendments of POSIX,
2685 * XPG4, the Austin Group, and the Single UNIX Specification
2686 * all explicitly include the null byte in the PATH_MAX.
2687 * Ditto for _POSIX_PATH_MAX. */
2688# define MAXPATHLEN PATH_MAX
b990c8b2 2689# else
09448d78 2690# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2691# endif
2692# else
2693# define MAXPATHLEN (PATH_MAX+1)
2694# endif
0f31cffe 2695# else
b990c8b2 2696# ifdef _POSIX_PATH_MAX
09448d78 2697# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2698# else
2699# define MAXPATHLEN 1024 /* Err on the large side. */
2700# endif
0f31cffe
GS		 2701# endif
2702#endif
2703
c80263a8
SH		 2704/* In case Configure was not used (we are using a "canned config"
2705 * such as Win32, or a cross-compilation setup, for example) try going
2706 * by the gcc major and minor versions. One useful URL is
2707 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2708 * but contrary to this information warn_unused_result seems
2709 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2710 * Also, when building extensions with an installed perl, this allows
2711 * the user to upgrade gcc and get the right attributes, rather than
2712 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2713 * Set these up now otherwise we get confused when some of the <*thread.h>
2714 * includes below indirectly pull in <perlio.h> (which needs to know if we
2715 * have HASATTRIBUTE_FORMAT).
2716 */
2717
4d7c7898 2718#ifndef PERL_MICRO
fc2007d4 2719#if defined __GNUC__ && !defined(__INTEL_COMPILER)
c80263a8
SH		 2720# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2721# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2722# if defined __MINGW32__
2723# define PRINTF_FORMAT_NULL_OK
2724# endif
c80263a8
SH		 2725# endif
2726# if __GNUC__ >= 3 /* 3.0 -> */
2727# define HASATTRIBUTE_MALLOC
2728# endif
2729# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2730# define HASATTRIBUTE_NONNULL
2731# endif
2732# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2733# define HASATTRIBUTE_NORETURN
2734# endif
2735# if __GNUC__ >= 3 /* gcc 3.0 -> */
2736# define HASATTRIBUTE_PURE
2737# endif
42bf5550 2738# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2739# define HASATTRIBUTE_UNUSED
2740# endif
d324fe49
AD		 2741# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2742# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2743# endif
c80263a8
SH		 2744# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2745# define HASATTRIBUTE_WARN_UNUSED_RESULT
2746# endif
2747#endif
4d7c7898 2748#endif /* #ifndef PERL_MICRO */
c80263a8 2749
3db8f154 2750/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2751 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2752 * this results in many functions being undeclared which bothers C++
2753 * May make sense to have threads after "*ish.h" anyway
2754 */
2755
3db8f154 2756#if defined(USE_ITHREADS)
2986a63f
JH		 2757# ifdef NETWARE
2758# include <nw5thread.h>
2759# else
32f822de
GS		 2760# ifdef FAKE_THREADS
2761# include "fakethr.h"
2762# else
2763# ifdef WIN32
2764# include <win32thread.h>
2765# else
dd96f567
IZ		 2766# ifdef OS2
2767# include "os2thread.h"
2768# else
7f3d1cf1 2769# ifdef I_MACH_CTHREADS
bdd66968 2770# include <mach/cthreads.h>
8f1f23e8 2771# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2772# define MUTEX_INIT_CALLS_MALLOC
2773# endif
7f3d1cf1
BH		 2774typedef cthread_t perl_os_thread;
2775typedef mutex_t perl_mutex;
2776typedef condition_t perl_cond;
2777typedef void * perl_key;
2778# else /* Posix threads */
1f5ae88c
JH		 2779# ifdef I_PTHREAD
2780# include <pthread.h>
2781# endif
7f3d1cf1
BH		 2782typedef pthread_t perl_os_thread;
2783typedef pthread_mutex_t perl_mutex;
2784typedef pthread_cond_t perl_cond;
2785typedef pthread_key_t perl_key;
2786# endif /* I_MACH_CTHREADS */
dd96f567 2787# endif /* OS2 */
32f822de
GS		 2788# endif /* WIN32 */
2789# endif /* FAKE_THREADS */
2986a63f 2790#endif /* NETWARE */
3db8f154 2791#endif /* USE_ITHREADS */
c5be433b 2792
66a93824 2793#if defined(WIN32)
1feb2720 2794# include "win32.h"
c5be433b
GS		 2795#endif
2796
2986a63f
JH		 2797#ifdef NETWARE
2798# include "netware.h"
2799#endif
2800
e5218da5 2801#define STATUS_UNIX PL_statusvalue
68dc0745 2802#ifdef VMS
6b88bc9c 2803# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2804/*
2805 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2806 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2807 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2808 * be updated also.
2809 */
2810# include <stsdef.h>
2811# include <ssdef.h>
2812/* Presume this because if VMS changes it, it will require a new
2813 * set of APIs for waiting on children for binary compatibility.
2814 */
2815# define child_offset_bits (8)
2816# ifndef C_FAC_POSIX
2817# define C_FAC_POSIX 0x35A000
2818# endif
2819
2820/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2821 * platform from the existing UNIX or Native status values.
2822 */
2823
37038d91 2824# define STATUS_EXIT \
7a7fd8e0
JM		 2825 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2826 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2827
7a7fd8e0 2828
fb38d079
JM		 2829/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2830 * exit code and shifts the UNIX value over the correct number of bits to
2831 * be a child status. Usually the number of bits is 8, but that could be
2832 * platform dependent. The NATIVE status code is presumed to have either
2833 * from a child process.
7a7fd8e0
JM		 2834 */
2835
fb38d079
JM		 2836/* This is complicated. The child processes return a true native VMS
2837 status which must be saved. But there is an assumption in Perl that
2838 the UNIX child status has some relationship to errno values, so
2839 Perl tries to translate it to text in some of the tests.
2840 In order to get the string translation correct, for the error, errno
2841 must be EVMSERR, but that generates a different text message
2842 than what the test programs are expecting. So an errno value must
2843 be derived from the native status value when an error occurs.
2844 That will hide the true native status message. With this version of
2845 perl, the true native child status can always be retrieved so that
2846 is not a problem. But in this case, Pl_statusvalue and errno may
2847 have different values in them.
2848 */
7a7fd8e0 2849
fb38d079 2850# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2851 STMT_START { \
2fbb330f
JM		 2852 I32 evalue = (I32)n; \
2853 if (evalue == EVMSERR) { \
2854 PL_statusvalue_vms = vaxc$errno; \
2855 PL_statusvalue = evalue; \
7a7fd8e0 2856 } else { \
2fbb330f 2857 PL_statusvalue_vms = evalue; \
fb38d079 2858 if (evalue == -1) { \
3280af22 2859 PL_statusvalue = -1; \
7a7fd8e0
JM		 2860 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2861 } else \
fb38d079 2862 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2863 set_vaxc_errno(evalue); \
fb38d079
JM		 2864 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2865 set_errno(EVMSERR); \
2866 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2867 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2868 } \
68dc0745 2869 } STMT_END
7a7fd8e0 2870
68dc0745 2871# ifdef VMSISH_STATUS
e5218da5 2872# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2873# else
e5218da5 2874# define STATUS_CURRENT STATUS_UNIX
68dc0745 2875# endif
7a7fd8e0
JM		 2876
2877 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2878 * the NATIVE status to an equivalent value. Can not be used to translate
2879 * exit code values as exit code values are not guaranteed to have any
2880 * relationship at all to errno values.
2881 * This is used when Perl is forcing errno to have a specific value.
2882 */
e5218da5 2883# define STATUS_UNIX_SET(n) \
68dc0745 2884 STMT_START { \
7a7fd8e0 2885 I32 evalue = (I32)n; \
0968cdad 2886 PL_statusvalue = evalue; \
3280af22 2887 if (PL_statusvalue != -1) { \
0968cdad
JM		 2888 if (PL_statusvalue != EVMSERR) { \
2889 PL_statusvalue &= 0xFFFF; \
2890 if (MY_POSIX_EXIT) \
2891 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2892 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2893 } \
2894 else { \
2895 PL_statusvalue_vms = vaxc$errno; \
2896 } \
68dc0745 2897 } \
0968cdad
JM		 2898 else PL_statusvalue_vms = SS$_ABORT; \
2899 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2900 } STMT_END
2901
2902 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2903 * the NATIVE error status based on it. It does not assume that
fb38d079
JM		 2904 * the UNIX/POSIX exit codes have any relationship to errno, except
2905 * that 0 indicates a success. When in the default mode to comply
6ac6a52b
JM		 2906 * with the Perl VMS documentation, any other code sets the NATIVE
2907 * status to a failure code of SS$_ABORT.
fb38d079
JM		 2908 *
2909 * In the new POSIX EXIT mode, native status will be set so that the
2910 * actual exit code will can be retrieved by the calling program or
2911 * shell.
2912 *
2913 * If the exit code is not clearly a UNIX parent or child exit status,
2914 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2915 */
2916
fb38d079 2917# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2918 STMT_START { \
2919 I32 evalue = (I32)n; \
2920 PL_statusvalue = evalue; \
fb38d079
JM		 2921 if (evalue != -1) { \
2922 if (evalue <= 0xFF00) { \
2923 if (evalue > 0xFF) \
2924 evalue = (evalue >> child_offset_bits) & 0xFF; \
2925 if (evalue == 0) \
2926 PL_statusvalue_vms == SS$_NORMAL; \
2927 else \
2928 if (MY_POSIX_EXIT) \
2929 PL_statusvalue_vms = \
2930 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2931 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
0968cdad 2932 else \
6ac6a52b 2933 PL_statusvalue_vms = SS$_ABORT; \
fb38d079
JM		 2934 } else { /* forgive them Perl, for they have sinned */ \
2935 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2936 else PL_statusvalue_vms = vaxc$errno; \
2937 /* And obviously used a VMS status value instead of UNIX */ \
2938 PL_statusvalue = EVMSERR; \
2939 } \
7a7fd8e0
JM		 2940 } \
2941 else PL_statusvalue_vms = SS$_ABORT; \
2942 set_vaxc_errno(PL_statusvalue_vms); \
68dc0745 2943 } STMT_END
fb38d079 2944
6ac6a52b
JM		 2945 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2946 * and sets the NATIVE error status based on it. This special case
2947 * is needed to maintain compatibility with past VMS behavior.
2948 *
2949 * In the default mode on VMS, this number is passed through as
2950 * both the NATIVE and UNIX status. Which makes it different
2951 * that the STATUS_UNIX_EXIT_SET.
2952 *
2953 * In the new POSIX EXIT mode, native status will be set so that the
2954 * actual exit code will can be retrieved by the calling program or
2955 * shell.
2956 *
2957 */
2958
2959# define STATUS_EXIT_SET(n) \
2960 STMT_START { \
2961 I32 evalue = (I32)n; \
2962 PL_statusvalue = evalue; \
2963 if (MY_POSIX_EXIT) \
2964 PL_statusvalue_vms = \
2965 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2966 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
6ac6a52b
JM		 2967 else \
2968 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2969 set_vaxc_errno(PL_statusvalue_vms); \
2970 } STMT_END
2971
fb38d079
JM		 2972
2973 /* This macro forces a success status */
7a7fd8e0
JM		 2974# define STATUS_ALL_SUCCESS \
2975 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 2976
2977 /* This macro forces a failure status */
7a7fd8e0
JM		 2978# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2979 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2980 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2981
68dc0745 2982#else
e5218da5 2983# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2984# if defined(WCOREDUMP)
37038d91 2985# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2986 STMT_START { \
2987 PL_statusvalue_posix = (n); \
2988 if (PL_statusvalue_posix == -1) \
2989 PL_statusvalue = -1; \
2990 else { \
2991 PL_statusvalue = \
2992 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2993 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2994 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2995 } \
2996 } STMT_END
2997# elif defined(WIFEXITED)
37038d91 2998# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2999 STMT_START { \
3000 PL_statusvalue_posix = (n); \
3001 if (PL_statusvalue_posix == -1) \
3002 PL_statusvalue = -1; \
3003 else { \
3004 PL_statusvalue = \
3005 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3006 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3007 } \
3008 } STMT_END
3009# else
37038d91 3010# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3011 STMT_START { \
3012 PL_statusvalue_posix = (n); \
3013 if (PL_statusvalue_posix == -1) \
3014 PL_statusvalue = -1; \
3015 else { \
3016 PL_statusvalue = \
3017 PL_statusvalue_posix & 0xFFFF; \
3018 } \
3019 } STMT_END
3020# endif
3021# define STATUS_UNIX_SET(n) \
68dc0745 3022 STMT_START { \
3280af22
NIS		 3023 PL_statusvalue = (n); \
3024 if (PL_statusvalue != -1) \
3025 PL_statusvalue &= 0xFFFF; \
68dc0745 3026 } STMT_END
7a7fd8e0 3027# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3028# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3029# define STATUS_CURRENT STATUS_UNIX
37038d91 3030# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3031# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3032# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3033#endif
3034
cc3604b1
GS		 3035/* flags in PL_exit_flags for nature of exit() */
3036#define PERL_EXIT_EXPECTED 0x01
31d77e54 3037#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3038
0b94c7bb 3039#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 3040# define MEMBER_TO_FPTR(name) name
3041#endif
3042
3043/* format to use for version numbers in file/directory names */
273cf8d1 3044/* XXX move to Configure? */
a7cb1f99 3045#ifndef PERL_FS_VER_FMT
273cf8d1 3046# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 3047#endif
3048
45bc9206 3049/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3050 * performance issue, so we allow people to disable it. Also, if
3051 * we are using stdio, there are broken implementations of fflush(NULL)
3052 * out there, Solaris being the most prominent.
45bc9206
GS		 3053 */
3054#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3055# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3056# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3057# else
3058# ifdef FFLUSH_ALL
3059# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3060# else
c5be433b 3061# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3062# endif
66fe083f 3063# endif
45bc9206
GS		 3064#endif
3065
7766f137
GS		 3066#ifndef PERL_WAIT_FOR_CHILDREN
3067# define PERL_WAIT_FOR_CHILDREN NOOP
3068#endif
3069
ba869deb 3070/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3071#ifndef PERL_SET_INTERP
3072# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3073#endif
3074
3075#ifndef PERL_GET_INTERP
3076# define PERL_GET_INTERP (PL_curinterp)
3077#endif
3078
54aff467 3079#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3080# ifdef MULTIPLICITY
ba869deb 3081# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3082# endif
ba869deb
GS		 3083# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3084#endif
3085
8896765a
RB		 3086/*
3087 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3088 All that is required is that the perl source does not
8896765a
RB		 3089 use "%-p" or "%-<number>p" or "%<number>p" formats.
3090 These formats will still work in perl code.
3091 See comments in sv.c for futher details.
3092
8896765a 3093 Robin Barker 2005-07-14
f46d31f2
RB		 3094
3095 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3096*/
8896765a
RB		 3097
3098#ifndef SVf_
63ce7bf0 3099# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3100#endif
3101
8896765a 3102#ifndef SVf
104abab4 3103# define SVf "-p"
d2560b70
RB		 3104#endif
3105
014ead4b 3106#ifndef SVf32
8896765a 3107# define SVf32 SVf_(32)
014ead4b
RB		 3108#endif
3109
3110#ifndef SVf256
8896765a
RB		 3111# define SVf256 SVf_(256)
3112#endif
3113
be2597df
MHM		 3114#define SVfARG(p) ((void*)(p))
3115
f46d31f2
RB		 3116#ifdef PERL_CORE
3117/* not used; but needed for backward compatibilty with XS code? - RMB */
3118# undef VDf
3119#else
3120# ifndef VDf
8896765a
RB		 3121# define VDf "vd"
3122# endif
014ead4b 3123#endif
170cd9e9
NC		 3124
3125#ifdef PERL_CORE
f5992bc4 3126/* not used; but needed for backward compatibilty with XS code? - RMB */
7776bb98
RB		 3127# undef UVf
3128#else
170cd9e9
NC		 3129# ifndef UVf
3130# define UVf UVuf
3131# endif
d2560b70
RB		 3132#endif
3133
0dbb1585
AL		 3134#ifdef HASATTRIBUTE_FORMAT
3135# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3136#endif
3137#ifdef HASATTRIBUTE_MALLOC
77785eea 3138# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3139#endif
0dbb1585 3140#ifdef HASATTRIBUTE_NONNULL
abb2c242 3141# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3142#endif
0dbb1585 3143#ifdef HASATTRIBUTE_NORETURN
abb2c242 3144# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3145#endif
0dbb1585 3146#ifdef HASATTRIBUTE_PURE
abb2c242 3147# define __attribute__pure__ __attribute__((pure))
f22be1b8 3148#endif
0dbb1585
AL		 3149#ifdef HASATTRIBUTE_UNUSED
3150# define __attribute__unused__ __attribute__((unused))
3151#endif
3152#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3153# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3154#endif
3155
0dbb1585
AL		 3156/* If we haven't defined the attributes yet, define them to blank. */
3157#ifndef __attribute__format__
3158# define __attribute__format__(x,y,z)
3159#endif
f22be1b8 3160#ifndef __attribute__malloc__
abb2c242 3161# define __attribute__malloc__
f22be1b8
JH		 3162#endif
3163#ifndef __attribute__nonnull__
abb2c242 3164# define __attribute__nonnull__(a)
f22be1b8
JH		 3165#endif
3166#ifndef __attribute__noreturn__
abb2c242 3167# define __attribute__noreturn__
f22be1b8
JH		 3168#endif
3169#ifndef __attribute__pure__
abb2c242 3170# define __attribute__pure__
f22be1b8 3171#endif
0dbb1585
AL		 3172#ifndef __attribute__unused__
3173# define __attribute__unused__
3174#endif
f22be1b8 3175#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3176# define __attribute__warn_unused_result__
3177#endif
3178
0dbb1585
AL		 3179/* For functions that are marked as __attribute__noreturn__, it's not
3180 appropriate to call return. In either case, include the lint directive.
3181 */
3182#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3183# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3184#else
b37c2d43 3185# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH		 3186#endif
3187
cdfeb707
RB		 3188/* Some OS warn on NULL format to printf */
3189#ifdef PRINTF_FORMAT_NULL_OK
3190# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3191#else
3192# define __attribute__format__null_ok__(x,y,z)
3193#endif
3194
635aebb7 3195#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3196# define EXPECT(expr,val) __builtin_expect(expr,val)
3197#else
3198# define EXPECT(expr,val) (expr)
3199#endif
3200#define LIKELY(cond) EXPECT(cond,1)
3201#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3202#ifdef HAS_BUILTIN_CHOOSE_EXPR
3203/* placeholder */
3204#endif
b37c2d43 3205
3fc1aec6 3206/* Some unistd.h's give a prototype for pause() even though
3207 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3208 below to be rejected by the compiler. Sigh.
3fc1aec6 3209*/
3210#ifdef HAS_PAUSE
3211#define Pause pause
3212#else
3213#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3214#endif
3215
3216#ifndef IOCPARM_LEN
3217# ifdef IOCPARM_MASK
61f1c44b 3218 /* on BSDish systems we're safe */
748a9306
LW		 3219# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3220# else
61f1c44b 3221# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3222 /* on Linux systems we're safe; except when we're not [perl #38223] */
3223# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3224# else
748a9306 3225 /* otherwise guess at what's safe */
61f1c44b
JVD		 3226# define IOCPARM_LEN(x) 256
3227# endif
748a9306 3228# endif
a0d0e21e
LW		 3229#endif
3230
1761cee5 3231#if defined(__CYGWIN__)
521e0776
GS		 3232/* USEMYBINMODE
3233 * This symbol, if defined, indicates that the program should
16fe6d59 3234 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3235 * that a file is in "binary" mode -- that is, that no translation
3236 * of bytes occurs on read or write operations.
3237 */
36894f0b 3238# define USEMYBINMODE /**/
77a40698 3239# include <io.h> /* for setmode() prototype */
16fe6d59 3240# define my_binmode(fp, iotype, mode) \
77a40698 3241 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3242#endif
3243
88d10794
JH		 3244#ifdef __CYGWIN__
3245void init_os_extras(void);
3246#endif
3247
cea2e8a9
GS		 3248#ifdef UNION_ANY_DEFINITION
3249UNION_ANY_DEFINITION;
3250#else
3251union any {
3252 void* any_ptr;
3253 I32 any_i32;
3254 IV any_iv;
3255 long any_long;
9febdf04 3256 bool any_bool;
c76ac1ee 3257 void (*any_dptr) (void*);
acfe0abc 3258 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3259};
3260#endif
3261
acfe0abc 3262typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3263
3264#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3265#define FILTER_DATA(idx) \
3266 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3267#define FILTER_ISREADER(idx) \
3268 (PL_parser && PL_parser->rsfp_filters \
3269 && idx >= AvFILLp(PL_parser->rsfp_filters))
3270#define PERL_FILTER_EXISTS(i) \
3271 (PL_parser && PL_parser->rsfp_filters \
3272 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3273
c5078cac
JH		 3274#if defined(_AIX) && !defined(_AIX43)
3275#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3276/* We cannot include <crypt.h> to get the struct crypt_data
3277 * because of setkey prototype problems when threading */
3278typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3279 /* From OSF, Not needed in AIX
3280 char C[28], D[28];
3281 */
3282 char E[48];
3283 char KS[16][48];
3284 char block[66];
3285 char iobuf[16];
3286} CRYPTD;
3287#endif /* threading */
3288#endif /* AIX */
3289
af8b425d 3290#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 3291# include "iperlsys.h"
3292#endif
504f80c1 3293
9c12f1e5
RGS		 3294#ifdef __LIBCATAMOUNT__
3295#undef HAS_PASSWD /* unixish.h but not unixish enough. */
3296#undef HAS_GROUP
3297#define FAKE_BIT_BUCKET
3298#endif
3299
d10dc2ae
JH		 3300/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3301 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3302 * defined by Configure, despite their names being similar to the
3303 * other defines like USE_ITHREADS. Configure in fact knows nothing
3304 * about the randomised hashes. Therefore to enable/disable the hash
3305 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3306#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3307# define USE_HASH_SEED
504f80c1
JH		 3308#endif
3309
598921a7
NC		 3310/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3311 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3312 * it's not really needed.
3313 */
3314#if defined(WIN32)
3315# define YYTOKENTYPE
3316#endif
3317#include "perly.h"
3318
3319#ifdef PERL_MAD
3320struct nexttoken {
3321 YYSTYPE next_val; /* value of next token, if any */
3322 I32 next_type; /* type of next token */
3323 MADPROP *next_mad; /* everything else about that token */
3324};
3325#endif
3326
79072805 3327#include "sv.h"
288b8c02 3328#include "regexp.h"
378cc40b 3329#include "util.h"
8d063cd8 3330#include "form.h"
79072805 3331#include "gv.h"
dd2155a4 3332#include "pad.h"
79072805 3333#include "cv.h"
abdd5c84 3334#include "opnames.h"
79072805 3335#include "op.h"
b3ca2e83 3336#include "hv.h"
79072805
LW		 3337#include "cop.h"
3338#include "av.h"
79072805
LW		 3339#include "mg.h"
3340#include "scope.h"
4438c4b7 3341#include "warnings.h"
a0ed51b3 3342#include "utf8.h"
8d063cd8 3343
20f4945e
MHM		 3344/* defined in sv.c, but also used in [ach]v.c */
3345#undef _XPV_ALLOCATED_HEAD
3346#undef _XPV_HEAD
3347#undef _XPVMG_HEAD
3348#undef _XPVCV_COMMON
7fae4e64
GS		 3349
3350typedef struct _sublex_info SUBLEXINFO;
3351struct _sublex_info {
651b5b28
NC		 3352 U8 super_state; /* lexer state to save */
3353 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3354 OP *sub_op; /* "lex_op" to use */
f06b5848
DM		 3355 char *super_bufptr; /* PL_parser->bufptr that was */
3356 char *super_bufend; /* PL_parser->bufend that was */
7fae4e64
GS		 3357};
3358
199e78b7
DM		 3359#include "parser.h"
3360
455ece5e 3361typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3362
2c2d71f5 3363struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3364struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3365
6f51351d
NC		 3366/* Keep next first in this structure, because sv_free_arenas take
3367 advantage of this to share code between the pte arenas and the SV
3368 body arenas */
5f7fde29
GS		 3369struct ptr_tbl_ent {
3370 struct ptr_tbl_ent* next;
53c1dcc0 3371 const void* oldval;
5f7fde29 3372 void* newval;
d18c6117
GS		 3373};
3374
5f7fde29
GS		 3375struct ptr_tbl {
3376 struct ptr_tbl_ent** tbl_ary;
3377 UV tbl_max;
3378 UV tbl_items;
d18c6117
GS		 3379};
3380
450a55e4 3381#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3382# define I286
3383#endif
3384
fe14fcc3
LW		 3385#if defined(htonl) && !defined(HAS_HTONL)
3386#define HAS_HTONL
ae986130 3387#endif
fe14fcc3
LW		 3388#if defined(htons) && !defined(HAS_HTONS)
3389#define HAS_HTONS
ae986130 3390#endif
fe14fcc3
LW		 3391#if defined(ntohl) && !defined(HAS_NTOHL)
3392#define HAS_NTOHL
ae986130 3393#endif
fe14fcc3
LW		 3394#if defined(ntohs) && !defined(HAS_NTOHS)
3395#define HAS_NTOHS
ae986130 3396#endif
fe14fcc3 3397#ifndef HAS_HTONL
d9d8d8de 3398#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3399#define HAS_HTONS
3400#define HAS_HTONL
3401#define HAS_NTOHS
3402#define HAS_NTOHL
a687059c
LW		 3403#define MYSWAP
3404#define htons my_swap
3405#define htonl my_htonl
3406#define ntohs my_swap
3407#define ntohl my_ntohl
3408#endif
3409#else
d9d8d8de 3410#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3411#undef HAS_HTONS
3412#undef HAS_HTONL
3413#undef HAS_NTOHS
3414#undef HAS_NTOHL
a687059c
LW		 3415#endif
3416#endif
3417
988174c1
LW		 3418/*
3419 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3420 * -DWS
3421 */
3422#if BYTEORDER != 0x1234
3423# define HAS_VTOHL
3424# define HAS_VTOHS
3425# define HAS_HTOVL
3426# define HAS_HTOVS
c67712b2 3427# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3428# define vtohl(x) ((((x)&0xFF)<<24) \
3429 +(((x)>>24)&0xFF) \
3430 +(((x)&0x0000FF00)<<8) \
3431 +(((x)&0x00FF0000)>>8) )
3432# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3433# define htovl(x) vtohl(x)
3434# define htovs(x) vtohs(x)
3435# endif
3436 /* otherwise default to functions in util.c */
2a8c3029 3437#ifndef htovs
c623ac67
GS		 3438short htovs(short n);
3439short vtohs(short n);
3440long htovl(long n);
3441long vtohl(long n);
988174c1 3442#endif
2a8c3029 3443#endif
988174c1 3444
3bb7c1b4
JH		 3445/* *MAX Plus 1. A floating point value.
3446 Hopefully expressed in a way that dodgy floating point can't mess up.
3447 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3448 is added to it
3449 May find that some broken compiler will want the value cast to I32.
3450 [after the shift, as signed >> may not be as secure as unsigned >>]
3451*/
3452#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3453#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3454/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3455 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3456 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3457*/
3458#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3459
3bb7c1b4
JH		 3460#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3461#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3462#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3463
3464/* This may look like unnecessary jumping through hoops, but converting
3465 out of range floating point values to integers *is* undefined behaviour,
3466 and it is starting to bite.
3467*/
3468#ifndef CAST_INLINE
65202027 3469#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3470#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3471#define I_V(what) (cast_iv((NV)(what)))
3472#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3473#else
3474#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3475 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3476 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3477#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3478 : ((n) < U32_MAX_P1 ? (U32) (n) \
3479 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3480#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3481 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3482 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3483#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3484 : ((n) < UV_MAX_P1 ? (UV) (n) \
3485 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3486#endif
3487
3488#define U_S(what) ((U16)U_32(what))
3489#define U_I(what) ((unsigned int)U_32(what))
3490#define U_L(what) U_32(what)
ed6116ce 3491
ed140128
AD		 3492#ifdef HAS_SIGNBIT
3493# define Perl_signbit signbit
3494#endif
3495
2d4389e4
JH		 3496/* These do not care about the fractional part, only about the range. */
3497#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3498#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3499
25da4f38
IZ		 3500/* Used with UV/IV arguments: */
3501 /* XXXX: need to speed it up */
3502#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3503#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3504
352d5a3a
LW		 3505#ifndef MAXSYSFD
3506# define MAXSYSFD 2
3507#endif
ee0007ab 3508
79072805 3509#ifndef __cplusplus
27da23d5 3510#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3511Uid_t getuid (void);
3512Uid_t geteuid (void);
3513Gid_t getgid (void);
3514Gid_t getegid (void);
79072805 3515#endif
e1caacb4 3516#endif
8d063cd8 3517
0c30d9ec 3518#ifndef Perl_debug_log
bf49b057
GS		 3519# define Perl_debug_log PerlIO_stderr()
3520#endif
3521
3522#ifndef Perl_error_log
3523# define Perl_error_log (PL_stderrgv \
6b78add2 3524 && isGV(PL_stderrgv) \
01bb7c6d 3525 && GvIOp(PL_stderrgv) \
42de951c 3526 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3527 ? IoOFP(GvIOp(PL_stderrgv)) \
3528 : PerlIO_stderr())
0c30d9ec 3529#endif
3967c732 3530
aea4f609
DM		 3531
3532#define DEBUG_p_FLAG 0x00000001 /* 1 */
3533#define DEBUG_s_FLAG 0x00000002 /* 2 */
3534#define DEBUG_l_FLAG 0x00000004 /* 4 */
3535#define DEBUG_t_FLAG 0x00000008 /* 8 */
3536#define DEBUG_o_FLAG 0x00000010 /* 16 */
3537#define DEBUG_c_FLAG 0x00000020 /* 32 */
3538#define DEBUG_P_FLAG 0x00000040 /* 64 */
3539#define DEBUG_m_FLAG 0x00000080 /* 128 */
3540#define DEBUG_f_FLAG 0x00000100 /* 256 */
3541#define DEBUG_r_FLAG 0x00000200 /* 512 */
3542#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3543#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3544/* U is reserved for Unofficial, exploratory hacking */
3545#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3546#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3547#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3548#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3549#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3550#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3551#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3552#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3553#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3554#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3555#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3556#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3557#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3558
3559#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3560#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3561 that something was done? */
aea4f609 3562
bd16a5f0
IZ		 3563# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3564# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3565# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3566# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3567# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3568# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3569# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3570# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3571# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3572# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3573# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3574# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3575# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3576# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3577# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3578# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3579# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3580# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3581# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3582# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3583# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3584# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3585# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3586# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3587# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3588# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3589
3967c732 3590#ifdef DEBUGGING
aea4f609 3591
bd16a5f0
IZ		 3592# define DEBUG_p_TEST DEBUG_p_TEST_
3593# define DEBUG_s_TEST DEBUG_s_TEST_
3594# define DEBUG_l_TEST DEBUG_l_TEST_
3595# define DEBUG_t_TEST DEBUG_t_TEST_
3596# define DEBUG_o_TEST DEBUG_o_TEST_
3597# define DEBUG_c_TEST DEBUG_c_TEST_
3598# define DEBUG_P_TEST DEBUG_P_TEST_
3599# define DEBUG_m_TEST DEBUG_m_TEST_
3600# define DEBUG_f_TEST DEBUG_f_TEST_
3601# define DEBUG_r_TEST DEBUG_r_TEST_
3602# define DEBUG_x_TEST DEBUG_x_TEST_
3603# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3604# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3605# define DEBUG_H_TEST DEBUG_H_TEST_
3606# define DEBUG_X_TEST DEBUG_X_TEST_
3607# define DEBUG_D_TEST DEBUG_D_TEST_
3608# define DEBUG_S_TEST DEBUG_S_TEST_
3609# define DEBUG_T_TEST DEBUG_T_TEST_
3610# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3611# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3612# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3613# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3614# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3615# define DEBUG_q_TEST DEBUG_q_TEST_
7949c6f5
JC		 3616# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3617# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
aea4f609 3618
488b0c7a
JH		 3619# define PERL_DEB(a) a
3620# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3621# define DEBUG_p(a) if (DEBUG_p_TEST) a
3622# define DEBUG_s(a) if (DEBUG_s_TEST) a
3623# define DEBUG_l(a) if (DEBUG_l_TEST) a
3624# define DEBUG_t(a) if (DEBUG_t_TEST) a
3625# define DEBUG_o(a) if (DEBUG_o_TEST) a
3626# define DEBUG_c(a) if (DEBUG_c_TEST) a
3627# define DEBUG_P(a) if (DEBUG_P_TEST) a
3628
969058bb
VK		 3629 /* Temporarily turn off memory debugging in case the a
3630 * does memory allocation, either directly or indirectly. */
acfe0abc 3631# define DEBUG_m(a) \
0b250b9e 3632 STMT_START { \
aea4f609 3633 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3634 } STMT_END
aea4f609 3635
5f80b19c
AMS		 3636# define DEBUG__(t, a) \
3637 STMT_START { \
3638 if (t) STMT_START {a;} STMT_END; \
3639 } STMT_END
3640
3641# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3642#ifndef PERL_EXT_RE_BUILD
5f80b19c 3643# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3644#else
3645# define DEBUG_r(a) STMT_START {a;} STMT_END
3646#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3647# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3648# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3649# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3650# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3651# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3652# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3653# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3654# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
aea4f609 3655
3db8f154 3656# define DEBUG_S(a)
aea4f609 3657
5f80b19c
AMS		 3658# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3659# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3660# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3661# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3662# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3663# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 3664
3665#else /* DEBUGGING */
3666
3667# define DEBUG_p_TEST (0)
3668# define DEBUG_s_TEST (0)
3669# define DEBUG_l_TEST (0)
3670# define DEBUG_t_TEST (0)
3671# define DEBUG_o_TEST (0)
3672# define DEBUG_c_TEST (0)
3673# define DEBUG_P_TEST (0)
3674# define DEBUG_m_TEST (0)
3675# define DEBUG_f_TEST (0)
3676# define DEBUG_r_TEST (0)
3677# define DEBUG_x_TEST (0)
3678# define DEBUG_u_TEST (0)
88d2d28a 3679# define DEBUG_U_TEST (0)
aea4f609
DM		 3680# define DEBUG_H_TEST (0)
3681# define DEBUG_X_TEST (0)
3682# define DEBUG_D_TEST (0)
3683# define DEBUG_S_TEST (0)
3684# define DEBUG_T_TEST (0)
04932ac8 3685# define DEBUG_R_TEST (0)
1045810a 3686# define DEBUG_J_TEST (0)
d6721266 3687# define DEBUG_v_TEST (0)
46187eeb 3688# define DEBUG_C_TEST (0)
ecae49c0
NC		 3689# define DEBUG_A_TEST (0)
3690# define DEBUG_q_TEST (0)
7949c6f5
JC		 3691# define DEBUG_Xv_TEST (0)
3692# define DEBUG_Uv_TEST (0)
aea4f609 3693
488b0c7a
JH		 3694# define PERL_DEB(a)
3695# define PERL_DEBUG(a)
aea4f609
DM		 3696# define DEBUG_p(a)
3697# define DEBUG_s(a)
3698# define DEBUG_l(a)
3699# define DEBUG_t(a)
3700# define DEBUG_o(a)
3701# define DEBUG_c(a)
3702# define DEBUG_P(a)
3703# define DEBUG_m(a)
3704# define DEBUG_f(a)
3705# define DEBUG_r(a)
3706# define DEBUG_x(a)
3707# define DEBUG_u(a)
88d2d28a 3708# define DEBUG_U(a)
aea4f609
DM		 3709# define DEBUG_H(a)
3710# define DEBUG_X(a)
3711# define DEBUG_D(a)
3712# define DEBUG_S(a)
3713# define DEBUG_T(a)
04932ac8 3714# define DEBUG_R(a)
d6721266 3715# define DEBUG_v(a)
46187eeb 3716# define DEBUG_C(a)
ecae49c0
NC		 3717# define DEBUG_A(a)
3718# define DEBUG_q(a)
7949c6f5
JC		 3719# define DEBUG_Xv(a)
3720# define DEBUG_Uv(a)
aea4f609
DM		 3721#endif /* DEBUGGING */
3722
3723
b4ab917c
DM		 3724#define DEBUG_SCOPE(where) \
3725 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3726 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM		 3727
3728
3729
3730
d1be9408 3731/* These constants should be used in preference to raw characters
14befaf4
DM		 3732 * when using magic. Note that some perl guts still assume
3733 * certain character properties of these constants, namely that
3734 * isUPPER() and toLOWER() may do useful mappings.
3735 *
3736 * Update the magic_names table in dump.c when adding/amending these
3737 */
3738
3739#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3740#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3741#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3742#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3743#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3744#define PERL_MAGIC_regdata 'D' /* Regex match position data
3745 (@+ and @- vars) */
3746#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3747#define PERL_MAGIC_env 'E' /* %ENV hash */
3748#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3749#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3750#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
b3ca2e83
NC		 3751#define PERL_MAGIC_hints 'H' /* %^H hash */
3752#define PERL_MAGIC_hintselem 'h' /* %^H hash element */
14befaf4
DM		 3753#define PERL_MAGIC_isa 'I' /* @ISA array */
3754#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3755#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3756#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3757#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3758#define PERL_MAGIC_shared 'N' /* Shared between threads */
3759#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3760#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3761#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3762#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3763#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3764#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3765#define PERL_MAGIC_sig 'S' /* %SIG hash */
3766#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3767#define PERL_MAGIC_taint 't' /* Taintedness */
3768#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3769#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3770#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3771#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3772#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3773#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3774#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3775 smart parameter vivification */
14befaf4
DM		 3776#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3777#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3778#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3779#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3780#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3781#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM		 3782#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3783
de84dc04
NC		 3784#if defined(DEBUGGING) && defined(I_ASSERT)
3785# include <assert.h>
3786#endif
3787
3788/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3789 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3790
de84dc04 3791#define Perl_assert(what) PERL_DEB( \
2b057284 3792 ((what) ? ((void) 0) : \
67eb4d30 3793 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3794 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3795 (void) 0)))
de84dc04
NC		 3796
3797#ifndef assert
3798# define assert(what) Perl_assert(what)
a446a88f 3799#endif
8d063cd8 3800
450a55e4 3801struct ufuncs {
24f81a43
DM		 3802 I32 (*uf_val)(pTHX_ IV, SV*);
3803 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3804 IV uf_index;
450a55e4
LW		 3805};
3806
14befaf4 3807/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3808 * XS code wanting to be backward compatible can do something
3809 * like the following:
c745e42c 3810
24f81a43 3811#ifndef PERL_MG_UFUNC
24f81a43
DM		 3812#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3813#endif
3814
3815static PERL_MG_UFUNC(foo_get, index, val)
3816{
3817 sv_setsv(val, ...);
3818 return TRUE;
3819}
3820
3821-- Doug MacEachern
3822
3823*/
3824
fc9c74e6 3825#ifndef PERL_MG_UFUNC
24f81a43 3826#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3827#endif
24f81a43 3828
fe14fcc3 3829/* Fix these up for __STDC__ */
68dc0745 3830#ifndef DONT_DECLARE_STD
20ce7b12 3831char *mktemp (char*);
37bd1396 3832#ifndef atof
20ce7b12 3833double atof (const char*);
a0d0e21e 3834#endif
37bd1396 3835#endif
79072805 3836
352d5a3a 3837#ifndef STANDARD_C
fe14fcc3 3838/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3839Time_t time();
8d063cd8 3840struct tm *gmtime(), *localtime();
092bebab 3841#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3842char *(strchr)(), *(strrchr)();
3843char *(strcpy)(), *(strcat)();
3844#else
93a17b20 3845char *strchr(), *strrchr();
378cc40b 3846char *strcpy(), *strcat();
9d116dd7 3847#endif
352d5a3a 3848#endif /* ! STANDARD_C */
8d063cd8 3849
79072805
LW		 3850
3851#ifdef I_MATH
3852# include <math.h>
3853#else
32f822de 3854START_EXTERN_C
20ce7b12
GS		 3855 double exp (double);
3856 double log (double);
3857 double log10 (double);
3858 double sqrt (double);
3859 double frexp (double,int*);
3860 double ldexp (double,int);
3861 double modf (double,double*);
3862 double sin (double);
3863 double cos (double);
3864 double atan2 (double,double);
3865 double pow (double,double);
32f822de 3866END_EXTERN_C
79072805
LW		 3867#endif
3868
aa8b85de
JH		 3869#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3870# define NV_INF LDBL_INFINITY
3871#endif
3872#if !defined(NV_INF) && defined(DBL_INFINITY)
3873# define NV_INF (NV)DBL_INFINITY
3874#endif
3875#if !defined(NV_INF) && defined(INFINITY)
3876# define NV_INF (NV)INFINITY
3877#endif
3878#if !defined(NV_INF) && defined(INF)
3879# define NV_INF (NV)INF
3880#endif
3881#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3882# define NV_INF (NV)HUGE_VALL
3883#endif
3884#if !defined(NV_INF) && defined(HUGE_VAL)
3885# define NV_INF (NV)HUGE_VAL
3886#endif
3887
3888#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3889# if !defined(NV_NAN) && defined(LDBL_NAN)
3890# define NV_NAN LDBL_NAN
3891# endif
3892# if !defined(NV_NAN) && defined(LDBL_QNAN)
3893# define NV_NAN LDBL_QNAN
3894# endif
3895# if !defined(NV_NAN) && defined(LDBL_SNAN)
3896# define NV_NAN LDBL_SNAN
3897# endif
3898#endif
3899#if !defined(NV_NAN) && defined(DBL_NAN)
3900# define NV_NAN (NV)DBL_NAN
3901#endif
3902#if !defined(NV_NAN) && defined(DBL_QNAN)
3903# define NV_NAN (NV)DBL_QNAN
3904#endif
3905#if !defined(NV_NAN) && defined(DBL_SNAN)
3906# define NV_NAN (NV)DBL_SNAN
3907#endif
3908#if !defined(NV_NAN) && defined(QNAN)
3909# define NV_NAN (NV)QNAN
3910#endif
3911#if !defined(NV_NAN) && defined(SNAN)
3912# define NV_NAN (NV)SNAN
3913#endif
3914#if !defined(NV_NAN) && defined(NAN)
3915# define NV_NAN (NV)NAN
3916#endif
3917
a0d0e21e 3918#ifndef __cplusplus
8f1f23e8 3919# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3920char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3921# else
fd8cd3a3 3922# if !defined(WIN32) && !defined(VMS)
10bc17b6 3923#ifndef crypt
20ce7b12 3924char *crypt (const char*, const char*);
10bc17b6 3925#endif
5014db98 3926# endif /* !WIN32 */
8f1f23e8 3927# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3928# ifndef DONT_DECLARE_STD
3929# ifndef getenv
20ce7b12 3930char *getenv (const char*);
26618a56 3931# endif /* !getenv */
28ca6303 3932# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3933# ifdef _FILE_OFFSET_BITS
28ca6303 3934# if _FILE_OFFSET_BITS == 64
20ce7b12 3935Off_t lseek (int,Off_t,int);
0fc67700
JH		 3936# endif
3937# endif
bf0c440f 3938# endif
26618a56 3939# endif /* !DONT_DECLARE_STD */
10bc17b6 3940#ifndef getlogin
20ce7b12 3941char *getlogin (void);
10bc17b6 3942#endif
26618a56 3943#endif /* !__cplusplus */
79072805 3944
7a7fd8e0
JM		 3945/* Fixme on VMS. This needs to be a run-time, not build time options */
3946/* Also rename() is affected by this */
16d20bd9 3947#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3948#define UNLINK unlnk
083639a9 3949I32 unlnk (pTHX_ const char*);
8d063cd8 3950#else
80252599 3951#define UNLINK PerlLIO_unlink
8d063cd8 3952#endif
a687059c 3953
fa0a29af
JH		 3954/* some versions of glibc are missing the setresuid() proto */
3955#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3956int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3957#endif
fa0a29af
JH		 3958/* some versions of glibc are missing the setresgid() proto */
3959#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3960int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3961#endif
3962
fe14fcc3 3963#ifndef HAS_SETREUID
85e6fe83
LW		 3964# ifdef HAS_SETRESUID
3965# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3966# define HAS_SETREUID
3967# endif
a687059c 3968#endif
fe14fcc3 3969#ifndef HAS_SETREGID
85e6fe83
LW		 3970# ifdef HAS_SETRESGID
3971# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3972# define HAS_SETREGID
3973# endif
a687059c 3974#endif
ee0007ab 3975
d543acb6 3976/* Sighandler_t defined in iperlsys.h */
ff68c719 3977
3978#ifdef HAS_SIGACTION
3979typedef struct sigaction Sigsave_t;
3980#else
3981typedef Sighandler_t Sigsave_t;
3982#endif
3983
ee0007ab
LW		 3984#define SCAN_DEF 0
3985#define SCAN_TR 1
3986#define SCAN_REPL 2
79072805
LW		 3987
3988#ifdef DEBUGGING
4633a7c4 3989# ifndef register
a0d0e21e
LW		 3990# define register
3991# endif
cea2e8a9 3992# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3993#else
cea2e8a9 3994# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 3995#endif
3996
6cb8cb21 3997#ifdef USE_PERLIO
77db880c 3998EXTERN_C void PerlIO_teardown();
2f44961c 3999# ifdef USE_ITHREADS
6cb8cb21
RGS		 4000# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4001# define PERLIO_TERM \
4002 STMT_START { \
d0820ef1 4003 PerlIO_teardown(); \
6cb8cb21
RGS		 4004 MUTEX_DESTROY(&PL_perlio_mutex);\
4005 } STMT_END
4006# else
4007# define PERLIO_INIT
d0820ef1 4008# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 4009# endif
6b29934b
NC		 4010#else
4011# define PERLIO_INIT
4012# define PERLIO_TERM
6cb8cb21
RGS		 4013#endif
4014
18f739ee 4015#ifdef MYMALLOC
772fe5b3 4016# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 4017# define MALLOC_INIT \
4018 STMT_START { \
4019 PL_malloc_mutex = NULL; \
4020 MUTEX_INIT(&PL_malloc_mutex); \
4021 } STMT_END
4022# define MALLOC_TERM \
4023 STMT_START { \
4024 perl_mutex tmp = PL_malloc_mutex; \
4025 PL_malloc_mutex = NULL; \
4026 MUTEX_DESTROY(&tmp); \
4027 } STMT_END
4028# else
4029# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4030# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4031# endif
18f739ee
IZ		 4032#else
4033# define MALLOC_INIT
4034# define MALLOC_TERM
4035#endif
4036
cd1541b2 4037#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 4038
4039struct perl_memory_debug_header;
cd1541b2
NC		 4040struct perl_memory_debug_header {
4041 tTHX interpreter;
4042# ifdef PERL_POISON
4043 MEM_SIZE size;
cd1541b2 4044# endif
7cb608b5
NC		 4045 struct perl_memory_debug_header *prev;
4046 struct perl_memory_debug_header *next;
cd1541b2
NC		 4047};
4048
4049# define sTHX (sizeof(struct perl_memory_debug_header) + \
4050 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4051 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4052
4053#endif
4054
7cb608b5
NC		 4055#ifdef PERL_TRACK_MEMPOOL
4056# define INIT_TRACK_MEMPOOL(header, interp) \
4057 STMT_START { \
4058 (header).interpreter = (interp); \
4059 (header).prev = (header).next = &(header); \
4060 } STMT_END
4061# else
4062# define INIT_TRACK_MEMPOOL(header, interp)
4063#endif
4064
b6d9d515 4065
0cb96387 4066typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 4067typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 4068typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 4069typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
eba16661 4070typedef bool (CPERLscope(*destroyable_proc_t)) (pTHX_ SV *sv);
22c35a8c 4071
940cb80d 4072/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 4073#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 4074
8f1f23e8
W		 4075/* NeXT has problems with crt0.o globals */
4076#if defined(__DYNAMIC__) && \
6239f2da 4077 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 4078# if defined(NeXT) || defined(__NeXT)
4079# include <mach-o/dyld.h>
4080# define environ (*environ_pointer)
0c30d9ec 4081EXT char *** environ_pointer;
8f1f23e8 4082# else
6239f2da 4083# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 4084# include <crt_externs.h> /* for the env array */
4085# define environ (*_NSGetEnviron())
4086# endif
0c30d9ec 4087# endif
8f1f23e8
W		 4088#else
4089 /* VMS and some other platforms don't use the environ array */
13b6e58c 4090# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 4091# if !defined(DONT_DECLARE_STD) || \
4092 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
4093 defined(__sgi) || \
d460ef45 4094 defined(__DGUX)
8f1f23e8 4095extern char ** environ; /* environment variables supplied via exec */
a6c40364 4096# endif
8f1f23e8
W		 4097# endif
4098#endif
79072805 4099
73c4f7a1
GS		 4100START_EXTERN_C
4101
79072805 4102/* handy constants */
22c35a8c 4103EXTCONST char PL_warn_uninit[]
29489e7c 4104 INIT("Use of uninitialized value%s%s%s");
22c35a8c 4105EXTCONST char PL_warn_nosemi[]
463ee0b2 4106 INIT("Semicolon seems to be missing");
22c35a8c 4107EXTCONST char PL_warn_reserved[]
463ee0b2 4108 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4109EXTCONST char PL_warn_nl[]
93a17b20 4110 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4111EXTCONST char PL_no_wrongref[]
a0d0e21e 4112 INIT("Can't use %s ref as %s ref");
22c35a8c 4113EXTCONST char PL_no_symref[]
748a9306 4114 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 4115EXTCONST char PL_no_symref_sv[]
014ead4b 4116 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 4117EXTCONST char PL_no_usym[]
8990e307 4118 INIT("Can't use an undefined value as %s reference");
22c35a8c 4119EXTCONST char PL_no_aelem[]
93a17b20 4120 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4121EXTCONST char PL_no_helem_sv[]
d04ff51e 4122 INIT("Modification of non-creatable hash value attempted, subscript \"%"SVf"\"");
22c35a8c 4123EXTCONST char PL_no_modify[]
93a17b20 4124 INIT("Modification of a read-only value attempted");
22c35a8c 4125EXTCONST char PL_no_mem[]
93a17b20 4126 INIT("Out of memory!\n");
22c35a8c 4127EXTCONST char PL_no_security[]
463ee0b2 4128 INIT("Insecure dependency in %s%s");
22c35a8c 4129EXTCONST char PL_no_sock_func[]
93a17b20 4130 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4131EXTCONST char PL_no_dir_func[]
93a17b20 4132 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4133EXTCONST char PL_no_func[]
93a17b20 4134 INIT("The %s function is unimplemented");
22c35a8c 4135EXTCONST char PL_no_myglob[]
952306ac 4136 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 4137EXTCONST char PL_no_localize_ref[]
4138 INIT("Can't localize through a reference");
27d5b266
JH		 4139EXTCONST char PL_memory_wrap[]
4140 INIT("panic: memory wrap");
93a17b20 4141
618b9757
NC		 4142#ifdef CSH
4143EXTCONST char PL_cshname[]
4144 INIT(CSH);
4145# define PL_cshlen (sizeof(CSH "") - 1)
4146#endif
4147
7575fa06 4148EXTCONST char PL_uuemap[65]
80252599
GS		 4149 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4150
79072805 4151#ifdef DOINIT
9444d213
NC		 4152EXTCONST char PL_uudmap[256] =
4153#include "uudmap.h"
4154;
27da23d5
JH		 4155EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4156EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4157#else
9444d213 4158EXTCONST char PL_uudmap[256];
27da23d5
JH		 4159EXTCONST char* const PL_sig_name[];
4160EXTCONST int PL_sig_num[];
79072805
LW		 4161#endif
4162
3bd709b1 4163/* fast conversion and case folding tables */
bbce6d69 4164
79072805 4165#ifdef DOINIT
9d116dd7 4166#ifdef EBCDIC
27da23d5 4167EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 4168 0, 1, 2, 3, 4, 5, 6, 7,
4169 8, 9, 10, 11, 12, 13, 14, 15,
4170 16, 17, 18, 19, 20, 21, 22, 23,
4171 24, 25, 26, 27, 28, 29, 30, 31,
4172 32, 33, 34, 35, 36, 37, 38, 39,
4173 40, 41, 42, 43, 44, 45, 46, 47,
4174 48, 49, 50, 51, 52, 53, 54, 55,
4175 56, 57, 58, 59, 60, 61, 62, 63,
4176 64, 65, 66, 67, 68, 69, 70, 71,
4177 72, 73, 74, 75, 76, 77, 78, 79,
4178 80, 81, 82, 83, 84, 85, 86, 87,
4179 88, 89, 90, 91, 92, 93, 94, 95,
4180 96, 97, 98, 99, 100, 101, 102, 103,
4181 104, 105, 106, 107, 108, 109, 110, 111,
4182 112, 113, 114, 115, 116, 117, 118, 119,
4183 120, 121, 122, 123, 124, 125, 126, 127,
4184 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4185 'H', 'I', 138, 139, 140, 141, 142, 143,
4186 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
4187 'Q', 'R', 154, 155, 156, 157, 158, 159,
4188 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
4189 'Y', 'Z', 170, 171, 172, 173, 174, 175,
4190 176, 177, 178, 179, 180, 181, 182, 183,
4191 184, 185, 186, 187, 188, 189, 190, 191,
4192 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4193 'h', 'i', 202, 203, 204, 205, 206, 207,
4194 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
4195 'q', 'r', 218, 219, 220, 221, 222, 223,
4196 224, 225, 's', 't', 'u', 'v', 'w', 'x',
4197 'y', 'z', 234, 235, 236, 237, 238, 239,
4198 240, 241, 242, 243, 244, 245, 246, 247,
4199 248, 249, 250, 251, 252, 253, 254, 255
4200};
4201#else /* ascii rather than ebcdic */
22c35a8c 4202EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4203 0, 1, 2, 3, 4, 5, 6, 7,
4204 8, 9, 10, 11, 12, 13, 14, 15,
4205 16, 17, 18, 19, 20, 21, 22, 23,
4206 24, 25, 26, 27, 28, 29, 30, 31,
4207 32, 33, 34, 35, 36, 37, 38, 39,
4208 40, 41, 42, 43, 44, 45, 46, 47,
4209 48, 49, 50, 51, 52, 53, 54, 55,
4210 56, 57, 58, 59, 60, 61, 62, 63,
4211 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4212 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4213 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4214 'x', 'y', 'z', 91, 92, 93, 94, 95,
4215 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4216 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4217 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4218 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4219 128, 129, 130, 131, 132, 133, 134, 135,
4220 136, 137, 138, 139, 140, 141, 142, 143,
4221 144, 145, 146, 147, 148, 149, 150, 151,
4222 152, 153, 154, 155, 156, 157, 158, 159,
4223 160, 161, 162, 163, 164, 165, 166, 167,
4224 168, 169, 170, 171, 172, 173, 174, 175,
4225 176, 177, 178, 179, 180, 181, 182, 183,
4226 184, 185, 186, 187, 188, 189, 190, 191,
4227 192, 193, 194, 195, 196, 197, 198, 199,
4228 200, 201, 202, 203, 204, 205, 206, 207,
4229 208, 209, 210, 211, 212, 213, 214, 215,
4230 216, 217, 218, 219, 220, 221, 222, 223,
4231 224, 225, 226, 227, 228, 229, 230, 231,
4232 232, 233, 234, 235, 236, 237, 238, 239,
4233 240, 241, 242, 243, 244, 245, 246, 247,
4234 248, 249, 250, 251, 252, 253, 254, 255
4235};
9d116dd7 4236#endif /* !EBCDIC */
79072805 4237#else
22c35a8c 4238EXTCONST unsigned char PL_fold[];
79072805
LW		 4239#endif
4240
27da23d5 4241#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4242#ifdef DOINIT
27da23d5 4243EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4244 0, 1, 2, 3, 4, 5, 6, 7,
4245 8, 9, 10, 11, 12, 13, 14, 15,
4246 16, 17, 18, 19, 20, 21, 22, 23,
4247 24, 25, 26, 27, 28, 29, 30, 31,
4248 32, 33, 34, 35, 36, 37, 38, 39,
4249 40, 41, 42, 43, 44, 45, 46, 47,
4250 48, 49, 50, 51, 52, 53, 54, 55,
4251 56, 57, 58, 59, 60, 61, 62, 63,
4252 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4253 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4254 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4255 'x', 'y', 'z', 91, 92, 93, 94, 95,
4256 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4257 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4258 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4259 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4260 128, 129, 130, 131, 132, 133, 134, 135,
4261 136, 137, 138, 139, 140, 141, 142, 143,
4262 144, 145, 146, 147, 148, 149, 150, 151,
4263 152, 153, 154, 155, 156, 157, 158, 159,
4264 160, 161, 162, 163, 164, 165, 166, 167,
4265 168, 169, 170, 171, 172, 173, 174, 175,
4266 176, 177, 178, 179, 180, 181, 182, 183,
4267 184, 185, 186, 187, 188, 189, 190, 191,
4268 192, 193, 194, 195, 196, 197, 198, 199,
4269 200, 201, 202, 203, 204, 205, 206, 207,
4270 208, 209, 210, 211, 212, 213, 214, 215,
4271 216, 217, 218, 219, 220, 221, 222, 223,
4272 224, 225, 226, 227, 228, 229, 230, 231,
4273 232, 233, 234, 235, 236, 237, 238, 239,
4274 240, 241, 242, 243, 244, 245, 246, 247,
4275 248, 249, 250, 251, 252, 253, 254, 255
4276};
4277#else
27da23d5 4278EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4279#endif
27da23d5 4280#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4281
4282#ifdef DOINIT
9d116dd7 4283#ifdef EBCDIC
27da23d5 4284EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4285 1, 2, 84, 151, 154, 155, 156, 157,
4286 165, 246, 250, 3, 158, 7, 18, 29,
4287 40, 51, 62, 73, 85, 96, 107, 118,
4288 129, 140, 147, 148, 149, 150, 152, 153,
4289 255, 6, 8, 9, 10, 11, 12, 13,
4290 14, 15, 24, 25, 26, 27, 28, 226,
4291 29, 30, 31, 32, 33, 43, 44, 45,
4292 46, 47, 48, 49, 50, 76, 77, 78,
4293 79, 80, 81, 82, 83, 84, 85, 86,
4294 87, 94, 95, 234, 181, 233, 187, 190,
4295 180, 96, 97, 98, 99, 100, 101, 102,
4296 104, 112, 182, 174, 236, 232, 229, 103,
4297 228, 226, 114, 115, 116, 117, 118, 119,
4298 120, 121, 122, 235, 176, 230, 194, 162,
4299 130, 131, 132, 133, 134, 135, 136, 137,
4300 138, 139, 201, 205, 163, 217, 220, 224,
4301 5, 248, 227, 244, 242, 255, 241, 231,
4302 240, 253, 16, 197, 19, 20, 21, 187,
4303 23, 169, 210, 245, 237, 249, 247, 239,
4304 168, 252, 34, 196, 36, 37, 38, 39,
4305 41, 42, 251, 254, 238, 223, 221, 213,
4306 225, 177, 52, 53, 54, 55, 56, 57,
4307 58, 59, 60, 61, 63, 64, 65, 66,
4308 67, 68, 69, 70, 71, 72, 74, 75,
4309 205, 208, 186, 202, 200, 218, 198, 179,
4310 178, 214, 88, 89, 90, 91, 92, 93,
4311 217, 166, 170, 207, 199, 209, 206, 204,
4312 160, 212, 105, 106, 108, 109, 110, 111,
4313 203, 113, 216, 215, 192, 175, 193, 243,
4314 172, 161, 123, 124, 125, 126, 127, 128,
4315 222, 219, 211, 195, 188, 193, 185, 184,
4316 191, 183, 141, 142, 143, 144, 145, 146
4317};
4318#else /* ascii rather than ebcdic */
22c35a8c 4319EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4320 1, 2, 84, 151, 154, 155, 156, 157,
4321 165, 246, 250, 3, 158, 7, 18, 29,
4322 40, 51, 62, 73, 85, 96, 107, 118,
4323 129, 140, 147, 148, 149, 150, 152, 153,
4324 255, 182, 224, 205, 174, 176, 180, 217,
4325 233, 232, 236, 187, 235, 228, 234, 226,
4326 222, 219, 211, 195, 188, 193, 185, 184,
4327 191, 183, 201, 229, 181, 220, 194, 162,
4328 163, 208, 186, 202, 200, 218, 198, 179,
4329 178, 214, 166, 170, 207, 199, 209, 206,
4330 204, 160, 212, 216, 215, 192, 175, 173,
4331 243, 172, 161, 190, 203, 189, 164, 230,
4332 167, 248, 227, 244, 242, 255, 241, 231,
4333 240, 253, 169, 210, 245, 237, 249, 247,
4334 239, 168, 252, 251, 254, 238, 223, 221,
4335 213, 225, 177, 197, 171, 196, 159, 4,
4336 5, 6, 8, 9, 10, 11, 12, 13,
4337 14, 15, 16, 17, 19, 20, 21, 22,
4338 23, 24, 25, 26, 27, 28, 30, 31,
4339 32, 33, 34, 35, 36, 37, 38, 39,
4340 41, 42, 43, 44, 45, 46, 47, 48,
4341 49, 50, 52, 53, 54, 55, 56, 57,
4342 58, 59, 60, 61, 63, 64, 65, 66,
4343 67, 68, 69, 70, 71, 72, 74, 75,
4344 76, 77, 78, 79, 80, 81, 82, 83,
4345 86, 87, 88, 89, 90, 91, 92, 93,
4346 94, 95, 97, 98, 99, 100, 101, 102,
4347 103, 104, 105, 106, 108, 109, 110, 111,
4348 112, 113, 114, 115, 116, 117, 119, 120,
4349 121, 122, 123, 124, 125, 126, 127, 128,
4350 130, 131, 132, 133, 134, 135, 136, 137,
4351 138, 139, 141, 142, 143, 144, 145, 146
4352};
9d116dd7 4353#endif
79072805 4354#else
22c35a8c 4355EXTCONST unsigned char PL_freq[];
79072805
LW		 4356#endif
4357
8990e307
LW		 4358#ifdef DEBUGGING
4359#ifdef DOINIT
27da23d5 4360EXTCONST char* const PL_block_type[] = {
8990e307
LW		 4361 "NULL",
4362 "SUB",
4363 "EVAL",
d01136d6 4364 "WHEN",
8990e307
LW		 4365 "SUBST",
4366 "BLOCK",
0d863452
RH		 4367 "FORMAT",
4368 "GIVEN",
d01136d6
BS		 4369 "LOOP_FOR",
4370 "LOOP_PLAIN",
4371 "LOOP_LAZYSV",
4372 "LOOP_LAZYIV",
8990e307
LW		 4373};
4374#else
22c35a8c 4375EXTCONST char* PL_block_type[];
8990e307
LW		 4376#endif
4377#endif
4378
b75885fd
NC		 4379/* These are all the compile time options that affect binary compatibility.
4380 Other compile time options that are binary compatible are in perl.c
4381 Both are combined for the output of perl -V
4382 However, this string will be embedded in any shared perl library, which will
4383 allow us add a comparison check in perlmain.c in the near future. */
4384#ifdef DOINIT
4385EXTCONST char PL_bincompat_options[] =
4386# ifdef DEBUG_LEAKING_SCALARS
4387 " DEBUG_LEAKING_SCALARS"
4388# endif
4389# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4390 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4391# endif
4392# ifdef FAKE_THREADS
4393 " FAKE_THREADS"
4394# endif
4395# ifdef MULTIPLICITY
4396 " MULTIPLICITY"
4397# endif
4398# ifdef MYMALLOC
4399 " MYMALLOC"
4400# endif
4401# ifdef PERL_DEBUG_READONLY_OPS
4402 " PERL_DEBUG_READONLY_OPS"
4403# endif
4404# ifdef PERL_GLOBAL_STRUCT
4405 " PERL_GLOBAL_STRUCT"
4406# endif
4407# ifdef PERL_IMPLICIT_CONTEXT
4408 " PERL_IMPLICIT_CONTEXT"
4409# endif
4410# ifdef PERL_IMPLICIT_SYS
4411 " PERL_IMPLICIT_SYS"
4412# endif
4413# ifdef PERL_MAD
4414 " PERL_MAD"
4415# endif
4416# ifdef PERL_NEED_APPCTX
4417 " PERL_NEED_APPCTX"
4418# endif
4419# ifdef PERL_NEED_TIMESBASE
4420 " PERL_NEED_TIMESBASE"
4421# endif
4422# ifdef PERL_OLD_COPY_ON_WRITE
4423 " PERL_OLD_COPY_ON_WRITE"
4424# endif
4425# ifdef PERL_POISON
4426 " PERL_POISON"
4427# endif
4428# ifdef PERL_TRACK_MEMPOOL
4429 " PERL_TRACK_MEMPOOL"
4430# endif
4431# ifdef PERL_USES_PL_PIDSTATUS
4432 " PERL_USES_PL_PIDSTATUS"
4433# endif
4434# ifdef PL_OP_SLAB_ALLOC
4435 " PL_OP_SLAB_ALLOC"
4436# endif
4437# ifdef THREADS_HAVE_PIDS
4438 " THREADS_HAVE_PIDS"
4439# endif
4440# ifdef USE_64_BIT_ALL
4441 " USE_64_BIT_ALL"
4442# endif
4443# ifdef USE_64_BIT_INT
4444 " USE_64_BIT_INT"
4445# endif
c7b392fa
NC		 4446# ifdef USE_IEEE
4447 " USE_IEEE"
4448# endif
b75885fd
NC		 4449# ifdef USE_ITHREADS
4450 " USE_ITHREADS"
4451# endif
4452# ifdef USE_LARGE_FILES
4453 " USE_LARGE_FILES"
4454# endif
4455# ifdef USE_LONG_DOUBLE
4456 " USE_LONG_DOUBLE"
4457# endif
4458# ifdef USE_PERLIO
4459 " USE_PERLIO"
4460# endif
4461# ifdef USE_REENTRANT_API
4462 " USE_REENTRANT_API"
4463# endif
4464# ifdef USE_SFIO
4465 " USE_SFIO"
4466# endif
4467# ifdef USE_SOCKS
4468 " USE_SOCKS"
4469# endif
4f575702
CB		 4470# ifdef VMS_DO_SOCKETS
4471 " VMS_DO_SOCKETS"
4472# ifdef DECCRTL_SOCKETS
4473 " DECCRTL_SOCKETS"
4474# endif
4475# endif
4476# ifdef VMS_WE_ARE_CASE_SENSITIVE
4477 " VMS_SYMBOL_CASE_AS_IS"
4478# endif
a68dd89e 4479 "";
b75885fd
NC		 4480#else
4481EXTCONST char PL_bincompat_options[];
4482#endif
4483
73c4f7a1
GS		 4484END_EXTERN_C
4485
79072805
LW		 4486/*****************************************************************************/
4487/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4488/*****************************************************************************/
8990e307 4489/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4490
d4c3c482 4491#ifdef __Lynx__
9cffb111
OS		 4492/* LynxOS defines these in scsi.h which is included via ioctl.h */
4493#ifdef FORMAT
4494#undef FORMAT
4495#endif
4496#ifdef SPACE
4497#undef SPACE
4498#endif
d4c3c482 4499#endif
9cffb111 4500
fb73857a 4501#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4502
79072805
LW		 4503typedef enum {
4504 XOPERATOR,
4505 XTERM,
79072805 4506 XREF,
8990e307 4507 XSTATE,
a0d0e21e 4508 XBLOCK,
09bef843
SB		 4509 XATTRBLOCK,
4510 XATTRTERM,
6f33ba73
RGS		 4511 XTERMBLOCK,
4512 XTERMORDORDOR /* evil hack */
27308ded 4513 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4514} expectation;
4515
dc9e4912
GS		 4516enum { /* pass one of these to get_vtbl */
4517 want_vtbl_sv,
4518 want_vtbl_env,
4519 want_vtbl_envelem,
4520 want_vtbl_sig,
4521 want_vtbl_sigelem,
4522 want_vtbl_pack,
4523 want_vtbl_packelem,
4524 want_vtbl_dbline,
4525 want_vtbl_isa,
4526 want_vtbl_isaelem,
4527 want_vtbl_arylen,
4528 want_vtbl_glob,
4529 want_vtbl_mglob,
4530 want_vtbl_nkeys,
4531 want_vtbl_taint,
4532 want_vtbl_substr,
4533 want_vtbl_vec,
4534 want_vtbl_pos,
4535 want_vtbl_bm,
4536 want_vtbl_fm,
4537 want_vtbl_uvar,
4538 want_vtbl_defelem,
4539 want_vtbl_regexp,
4540 want_vtbl_collxfrm,
4541 want_vtbl_amagic,
4542 want_vtbl_amagicelem,
dc9e4912 4543 want_vtbl_regdata,
810b8aa5 4544 want_vtbl_regdatum,
7e8c5dac 4545 want_vtbl_backref,
8d2f4536 4546 want_vtbl_utf8,
83bf042f 4547 want_vtbl_symtab,
b3ca2e83
NC		 4548 want_vtbl_arylen_p,
4549 want_vtbl_hintselem
dc9e4912
GS		 4550};
4551
d5ec2987
NC		 4552
4553/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4554 special and there is no need for HINT_PRIVATE_MASK for COPs
4555 However, bitops store HINT_INTEGER in their op_private. */
9cfe5470
RGS		 4556#define HINT_INTEGER 0x00000001 /* integer pragma */
4557#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4558#define HINT_LOCALE 0x00000004 /* locale pragma */
4559#define HINT_BYTES 0x00000008 /* bytes pragma */
7b0bddfa 4560#define HINT_ARYBASE 0x00000010 /* $[ is non-zero */
a0ed51b3 4561 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 4562 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 4563
4564#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4565#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4566#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 4567
9cfe5470 4568/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4569#define HINT_NEW_INTEGER 0x00001000
4570#define HINT_NEW_FLOAT 0x00002000
4571#define HINT_NEW_BINARY 0x00004000
4572#define HINT_NEW_STRING 0x00008000
4573#define HINT_NEW_RE 0x00010000
4574#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 4575#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4576#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 4577
9cfe5470
RGS		 4578#define HINT_RE_TAINT 0x00100000 /* re pragma */
4579#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4580
9cfe5470
RGS		 4581#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4582#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4583
0239f47c 4584/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4585#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4586#define HINT_SORT_QUICKSORT 0x00000001
4587#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4588#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4589
8bfdd7d9 4590/* Various states of the input record separator SV (rs) */
d4cce5f1 4591#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4592#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4593#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4594#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4595
128e8167 4596/* A struct for keeping various DEBUGGING related stuff,
ce333219 4597 * neatly packed. Currently only scratch variables for
128e8167
JH		 4598 * constructing debug output are included. Needed always,
4599 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4600struct perl_debug_pad {
4601 SV pad[3];
4602};
4603
4604#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4605#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4606 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4607 PERL_DEBUG_PAD(i))
ce333219 4608
56953603 4609/* Enable variables which are pointers to functions */
a2efc822 4610typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 4611typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
4612typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
4613 char* strend, char* strbeg, I32 minend,
4614 SV* screamer, void* data, U32 flags);
f722798b
IZ		 4615typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
4616 char *strpos, char *strend,
4617 U32 flags,
9f61653a 4618 re_scream_pos_data *d);
f722798b
IZ		 4619typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
4620typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
84da74a7 4621typedef regexp*(CPERLscope(*regdupe_t)) (pTHX_ const regexp* r, CLONE_PARAMS *param);
56953603 4622
c76ac1ee 4623typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 4624typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
4625typedef void (*SVFUNC_t) (pTHX_ SV*);
4626typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
4627typedef void (*XSINIT_t) (pTHX);
4628typedef void (*ATEXIT_t) (pTHX_ void*);
4629typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4630
22239a37
NIS		 4631/* Set up PERLVAR macros for populating structs */
4632#define PERLVAR(var,type) type var;
51371543 4633#define PERLVARA(var,n,type) type var[n];
22239a37 4634#define PERLVARI(var,type,init) type var;
3fe35a81 4635#define PERLVARIC(var,type,init) type var;
27da23d5
JH		 4636#define PERLVARISC(var,init) const char var[sizeof(init)];
4637
4638typedef OP* (CPERLscope(*Perl_ppaddr_t))(pTHX);
4639typedef OP* (CPERLscope(*Perl_check_t)) (pTHX_ OP*);
22239a37 4640
58a50f62
GS		 4641/* Interpreter exitlist entry */
4642typedef struct exitlistentry {
acfe0abc 4643 void (*fn) (pTHX_ void*);
58a50f62
GS		 4644 void *ptr;
4645} PerlExitListEntry;
4646
aadb217d
JH		 4647/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4648/* These have to be before perlvars.h */
4649#if !defined(HAS_SIGACTION) && defined(VMS)
4650# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4651#endif
4652/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4653#if defined(KILL_BY_SIGPRC)
4654# define FAKE_DEFAULT_SIGNAL_HANDLERS
4655#endif
4656
ffee3ff6
NC		 4657#define PERL_PATCHLEVEL_H_IMPLICIT
4658#include "patchlevel.h"
4659#undef PERL_PATCHLEVEL_H_IMPLICIT
4660
22239a37
NIS		 4661#ifdef PERL_GLOBAL_STRUCT
4662struct perl_vars {
7766f137 4663# include "perlvars.h"
22239a37
NIS		 4664};
4665
7766f137 4666# ifdef PERL_CORE
27da23d5 4667# ifndef PERL_GLOBAL_STRUCT_PRIVATE
533c011a
NIS		 4668EXT struct perl_vars PL_Vars;
4669EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
27da23d5
JH		 4670# undef PERL_GET_VARS
4671# define PERL_GET_VARS() PL_VarsPtr
4672# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
7766f137
GS		 4673# else /* PERL_CORE */
4674# if !defined(__GNUC__) || !defined(WIN32)
22239a37 4675EXT
7766f137 4676# endif /* WIN32 */
533c011a 4677struct perl_vars *PL_VarsPtr;
7766f137
GS		 4678# define PL_Vars (*((PL_VarsPtr) \
4679 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
4680# endif /* PERL_CORE */
22239a37
NIS		 4681#endif /* PERL_GLOBAL_STRUCT */
4682
acfe0abc 4683#if defined(MULTIPLICITY)
d460ef45 4684/* If we have multiple interpreters define a struct
d4cce5f1 4685 holding variables which must be per-interpreter
d460ef45 4686 If we don't have threads anything that would have
d4cce5f1
NIS		 4687 be per-thread is per-interpreter.
4688*/
4689
79072805 4690struct interpreter {
7766f137 4691# include "intrpvar.h"
49f531da 4692};
d4cce5f1 4693
79072805 4694#else
49f531da
NIS		 4695struct interpreter {
4696 char broiled;
4697};
acfe0abc 4698#endif /* MULTIPLICITY */
79072805 4699
22239a37 4700/* Done with PERLVAR macros for now ... */
d4cce5f1 4701#undef PERLVAR
51371543 4702#undef PERLVARA
d4cce5f1 4703#undef PERLVARI
3fe35a81 4704#undef PERLVARIC
27da23d5 4705#undef PERLVARISC
79072805 4706
f7fe979e 4707struct tempsym; /* defined in pp_pack.c */
49704364 4708
22239a37 4709#include "thread.h"
79072805 4710#include "pp.h"
864dbfa3
GS		 4711
4712#ifndef PERL_CALLCONV
a0c21aa1
JH		 4713# ifdef __cplusplus
4714# define PERL_CALLCONV extern "C"
4715# else
4716# define PERL_CALLCONV
4717# endif
d460ef45 4718#endif
0cb96387
GS		 4719#undef PERL_CKDEF
4720#undef PERL_PPDEF
0159f81b
JH		 4721#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
4722#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 4723
7766f137 4724#include "proto.h"
864dbfa3 4725
0cb96387 4726/* this has structure inits, so it cannot be included before here */
acfe0abc 4727#include "opcode.h"
864dbfa3 4728
d4cce5f1
NIS		 4729/* The following must follow proto.h as #defines mess up syntax */
4730
22c35a8c
GS		 4731#if !defined(PERL_FOR_X2P)
4732# include "embedvar.h"
4733#endif
598921a7
NC		 4734#ifndef PERL_MAD
4735# undef PL_madskills
4736# undef PL_xmlfp
4737# define PL_madskills 0
4738# define PL_xmlfp 0
4739#endif
d4cce5f1 4740
d460ef45 4741/* Now include all the 'global' variables
d4cce5f1 4742 * If we don't have threads or multiple interpreters
d460ef45 4743 * these include variables that would have been their struct-s
d4cce5f1 4744 */
d460ef45 4745
533c011a 4746#define PERLVAR(var,type) EXT type PL_##var;
51371543 4747#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 4748#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
4749#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
27da23d5 4750#define PERLVARISC(var,init) EXTCONST char PL_##var[sizeof(init)] INIT(init);
d4cce5f1 4751
acfe0abc 4752#if !defined(MULTIPLICITY)
7766f137 4753START_EXTERN_C
066ef5b5 4754# include "intrpvar.h"
7766f137 4755END_EXTERN_C
22239a37
NIS		 4756#endif
4757
24792b8d
NC		 4758#ifdef PERL_CORE
4759/* All core uses now exterminated. Ensure no zombies can return: */
4760# undef PL_na
4761#endif
4762
acfe0abc 4763#if defined(WIN32)
66a93824 4764/* Now all the config stuff is setup we can include embed.h */
22c35a8c 4765# include "embed.h"
eb8433b7
NC		 4766# ifndef PERL_MAD
4767# undef op_getmad
b3f24c00 4768# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 4769# endif
acfe0abc 4770#endif
22239a37 4771
c5be433b
GS		 4772#ifndef PERL_GLOBAL_STRUCT
4773START_EXTERN_C
4774
4775# include "perlvars.h"
4776
4777END_EXTERN_C
4778#endif
4779
d4cce5f1 4780#undef PERLVAR
51371543 4781#undef PERLVARA
d4cce5f1 4782#undef PERLVARI
0f3f18a6 4783#undef PERLVARIC
79072805 4784
73c4f7a1
GS		 4785START_EXTERN_C
4786
bc028b6b
JH		 4787/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
4788 * magic vtables const, but this is incompatible with SWIG which
4789 * does want to modify the vtables. */
4790#ifdef PERL_GLOBAL_STRUCT_PRIVATE
4791# define EXT_MGVTBL EXTCONST MGVTBL
4792#else
4793# define EXT_MGVTBL EXT MGVTBL
4794#endif
4795
79072805 4796#ifdef DOINIT
bc028b6b 4797# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var = {a,b,c,d,e,f,g,h}
2664ba31 4798/* Like MGVTBL_SET but with the get magic having a const MG* */
bc028b6b 4799# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var \
2664ba31 4800 = {(int (*)(pTHX_ SV *, MAGIC *))a,b,c,d,e,f,g,h}
4944113a 4801#else
bc028b6b
JH		 4802# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var
4803# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var
4944113a
AL		 4804#endif
4805
abdc98d4
NC		 4806/* These all need to be 0, not NULL, as NULL can be (void*)0, which is a
4807 * pointer to data, whereas we're assigning pointers to functions, which are
4808 * not the same beast. ANSI doesn't allow the assignment from one to the other.
4809 * (although most, but not all, compilers are prepared to do it)
4810 */
4944113a
AL		 4811MGVTBL_SET(
4812 PL_vtbl_sv,
4813 MEMBER_TO_FPTR(Perl_magic_get),
4814 MEMBER_TO_FPTR(Perl_magic_set),
4815 MEMBER_TO_FPTR(Perl_magic_len),
abdc98d4
NC		 4816 0,
4817 0,
4818 0,
4819 0,
4820 0
4944113a
AL		 4821);
4822
4823MGVTBL_SET(
4824 PL_vtbl_env,
abdc98d4 4825 0,
4944113a 4826 MEMBER_TO_FPTR(Perl_magic_set_all_env),
abdc98d4 4827 0,
4944113a 4828 MEMBER_TO_FPTR(Perl_magic_clear_all_env),
abdc98d4
NC		 4829 0,
4830 0,
4831 0,
4832 0
4944113a
AL		 4833);
4834
4835MGVTBL_SET(
4836 PL_vtbl_envelem,
abdc98d4 4837 0,
4944113a 4838 MEMBER_TO_FPTR(Perl_magic_setenv),
abdc98d4 4839 0,
4944113a 4840 MEMBER_TO_FPTR(Perl_magic_clearenv),
abdc98d4
NC		 4841 0,
4842 0,
4843 0,
4844 0
4944113a
AL		 4845);
4846
abdc98d4 4847/* For now, hints magic will also use vtbl_sig, because it is all 0 */
4944113a
AL		 4848MGVTBL_SET(
4849 PL_vtbl_sig,
abdc98d4
NC		 4850 0,
4851 0,
4852 0,
4853 0,
4854 0,
4855 0,
4856 0,
4857 0
4944113a
AL		 4858);
4859
9ba75e3c 4860#ifdef PERL_MICRO
4944113a
AL		 4861MGVTBL_SET(
4862 PL_vtbl_sigelem,
abdc98d4
NC		 4863 0,
4864 0,
4865 0,
4866 0,
4867 0,
4868 0,
4869 0,
4870 0
9ba75e3c
DD		 4871);
4872
64ca3a65 4873#else
9ba75e3c
DD		 4874MGVTBL_SET(
4875 PL_vtbl_sigelem,
4944113a
AL		 4876 MEMBER_TO_FPTR(Perl_magic_getsig),
4877 MEMBER_TO_FPTR(Perl_magic_setsig),
abdc98d4 4878 0,
4944113a 4879 MEMBER_TO_FPTR(Perl_magic_clearsig),
abdc98d4
NC		 4880 0,
4881 0,
4882 0,
4883 0
4944113a 4884);
9ba75e3c 4885#endif
4944113a
AL		 4886
4887MGVTBL_SET(
4888 PL_vtbl_pack,
abdc98d4
NC		 4889 0,
4890 0,
4944113a
AL		 4891 MEMBER_TO_FPTR(Perl_magic_sizepack),
4892 MEMBER_TO_FPTR(Perl_magic_wipepack),
abdc98d4
NC		 4893 0,
4894 0,
4895 0,
4896 0
4944113a
AL		 4897);
4898
4899MGVTBL_SET(
4900 PL_vtbl_packelem,
4901 MEMBER_TO_FPTR(Perl_magic_getpack),
4902 MEMBER_TO_FPTR(Perl_magic_setpack),
abdc98d4 4903 0,
4944113a 4904 MEMBER_TO_FPTR(Perl_magic_clearpack),
abdc98d4
NC		 4905 0,
4906 0,
4907 0,
4908 0
4944113a
AL		 4909);
4910
4911MGVTBL_SET(
4912 PL_vtbl_dbline,
abdc98d4 4913 0,
4944113a 4914 MEMBER_TO_FPTR(Perl_magic_setdbline),
abdc98d4
NC		 4915 0,
4916 0,
4917 0,
4918 0,
4919 0,
4920 0
4944113a
AL		 4921);
4922
4923MGVTBL_SET(
4924 PL_vtbl_isa,
abdc98d4 4925 0,
4944113a 4926 MEMBER_TO_FPTR(Perl_magic_setisa),
abdc98d4 4927 0,
52b45067 4928 MEMBER_TO_FPTR(Perl_magic_clearisa),
0fa56319 4929 0,
abdc98d4
NC		 4930 0,
4931 0,
4932 0
4944113a
AL		 4933);
4934
4935MGVTBL_SET(
4936 PL_vtbl_isaelem,
abdc98d4 4937 0,
4944113a 4938 MEMBER_TO_FPTR(Perl_magic_setisa),
abdc98d4
NC		 4939 0,
4940 0,
4941 0,
4942 0,
4943 0,
4944 0
4944113a
AL		 4945);
4946
2e2109e1 4947MGVTBL_SET_CONST_MAGIC_GET(
4944113a
AL		 4948 PL_vtbl_arylen,
4949 MEMBER_TO_FPTR(Perl_magic_getarylen),
4950 MEMBER_TO_FPTR(Perl_magic_setarylen),
abdc98d4
NC		 4951 0,
4952 0,
4953 0,
4954 0,
4955 0,
4956 0
4944113a
AL		 4957);
4958
4959MGVTBL_SET(
83bf042f 4960 PL_vtbl_arylen_p,
abdc98d4
NC		 4961 0,
4962 0,
4963 0,
4964 0,
83bf042f 4965 MEMBER_TO_FPTR(Perl_magic_freearylen_p),
abdc98d4
NC		 4966 0,
4967 0,
4968 0
83bf042f
NC		 4969);
4970
4971MGVTBL_SET(
4944113a 4972 PL_vtbl_mglob,
abdc98d4 4973 0,
4944113a 4974 MEMBER_TO_FPTR(Perl_magic_setmglob),
abdc98d4
NC		 4975 0,
4976 0,
4977 0,
4978 0,
4979 0,
4980 0
4944113a
AL		 4981);
4982
4983MGVTBL_SET(
4984 PL_vtbl_nkeys,
4985 MEMBER_TO_FPTR(Perl_magic_getnkeys),
4986 MEMBER_TO_FPTR(Perl_magic_setnkeys),
abdc98d4
NC		 4987 0,
4988 0,
4989 0,
4990 0,
4991 0,
4992 0
4944113a
AL		 4993);
4994
4995MGVTBL_SET(
4996 PL_vtbl_taint,
4997 MEMBER_TO_FPTR(Perl_magic_gettaint),
4998 MEMBER_TO_FPTR(Perl_magic_settaint),
abdc98d4
NC		 4999 0,
5000 0,
5001 0,
5002 0,
5003 0,
5004 0
4944113a
AL		 5005);
5006
5007MGVTBL_SET(
5008 PL_vtbl_substr,
5009 MEMBER_TO_FPTR(Perl_magic_getsubstr),
5010 MEMBER_TO_FPTR(Perl_magic_setsubstr),
abdc98d4
NC		 5011 0,
5012 0,
5013 0,
5014 0,
5015 0,
5016 0
4944113a
AL		 5017);
5018
5019MGVTBL_SET(
5020 PL_vtbl_vec,
5021 MEMBER_TO_FPTR(Perl_magic_getvec),
5022 MEMBER_TO_FPTR(Perl_magic_setvec),
abdc98d4
NC		 5023 0,
5024 0,
5025 0,
5026 0,
5027 0,
5028 0
4944113a
AL		 5029);
5030
5031MGVTBL_SET(
5032 PL_vtbl_pos,
5033 MEMBER_TO_FPTR(Perl_magic_getpos),
5034 MEMBER_TO_FPTR(Perl_magic_setpos),
abdc98d4
NC		 5035 0,
5036 0,
5037 0,
5038 0,
5039 0,
5040 0
4944113a
AL		 5041);
5042
5043MGVTBL_SET(
5044 PL_vtbl_bm,
abdc98d4 5045 0,
488344d2 5046 MEMBER_TO_FPTR(Perl_magic_setregexp),
abdc98d4
NC		 5047 0,
5048 0,
5049 0,
5050 0,
5051 0,
5052 0
4944113a
AL		 5053);
5054
5055MGVTBL_SET(
5056 PL_vtbl_fm,
abdc98d4 5057 0,
488344d2 5058 MEMBER_TO_FPTR(Perl_magic_setregexp),
abdc98d4
NC		 5059 0,
5060 0,
5061 0,
5062 0,
5063 0,
5064 0
4944113a
AL		 5065);
5066
5067MGVTBL_SET(
5068 PL_vtbl_uvar,
5069 MEMBER_TO_FPTR(Perl_magic_getuvar),
5070 MEMBER_TO_FPTR(Perl_magic_setuvar),
abdc98d4
NC		 5071 0,
5072 0,
5073 0,
5074 0,
5075 0,
5076 0
4944113a
AL		 5077);
5078
5079MGVTBL_SET(
5080 PL_vtbl_defelem,
5081 MEMBER_TO_FPTR(Perl_magic_getdefelem),
5082 MEMBER_TO_FPTR(Perl_magic_setdefelem),
abdc98d4
NC		 5083 0,
5084 0,
5085 0,
5086 0,
5087 0,
5088 0
4944113a
AL		 5089);
5090
5091MGVTBL_SET(
5092 PL_vtbl_regexp,
abdc98d4 5093 0,
4944113a 5094 MEMBER_TO_FPTR(Perl_magic_setregexp),
abdc98d4
NC		 5095 0,
5096 0,
288b8c02 5097 0,
abdc98d4
NC		 5098 0,
5099 0,
5100 0
4944113a
AL		 5101);
5102
5103MGVTBL_SET(
5104 PL_vtbl_regdata,
abdc98d4
NC		 5105 0,
5106 0,
4944113a 5107 MEMBER_TO_FPTR(Perl_magic_regdata_cnt),
abdc98d4
NC		 5108 0,
5109 0,
5110 0,
5111 0,
5112 0
4944113a
AL		 5113);
5114
5115MGVTBL_SET(
5116 PL_vtbl_regdatum,
5117 MEMBER_TO_FPTR(Perl_magic_regdatum_get),
5118 MEMBER_TO_FPTR(Perl_magic_regdatum_set),
abdc98d4
NC		 5119 0,
5120 0,
5121 0,
5122 0,
5123 0,
5124 0
4944113a
AL		 5125);
5126
5127MGVTBL_SET(
5128 PL_vtbl_amagic,
abdc98d4 5129 0,
4944113a 5130 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5131 0,
5132 0,
4944113a 5133 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5134 0,
5135 0,
5136 0
4944113a
AL		 5137);
5138
5139MGVTBL_SET(
5140 PL_vtbl_amagicelem,
abdc98d4 5141 0,
4944113a 5142 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5143 0,
5144 0,
4944113a 5145 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5146 0,
5147 0,
5148 0
4944113a
AL		 5149);
5150
5151MGVTBL_SET(
5152 PL_vtbl_backref,
abdc98d4
NC		 5153 0,
5154 0,
5155 0,
5156 0,
4944113a 5157 MEMBER_TO_FPTR(Perl_magic_killbackrefs),
abdc98d4
NC		 5158 0,
5159 0,
5160 0
4944113a
AL		 5161);
5162
5163MGVTBL_SET(
5164 PL_vtbl_ovrld,
abdc98d4
NC		 5165 0,
5166 0,
5167 0,
5168 0,
4944113a 5169 MEMBER_TO_FPTR(Perl_magic_freeovrld),
abdc98d4
NC		 5170 0,
5171 0,
5172 0
4944113a
AL		 5173);
5174
5175MGVTBL_SET(
5176 PL_vtbl_utf8,
abdc98d4 5177 0,
4944113a 5178 MEMBER_TO_FPTR(Perl_magic_setutf8),
abdc98d4
NC		 5179 0,
5180 0,
5181 0,
5182 0,
5183 0,
5184 0
4944113a 5185);
36477c24 5186#ifdef USE_LOCALE_COLLATE
4944113a
AL		 5187MGVTBL_SET(
5188 PL_vtbl_collxfrm,
abdc98d4 5189 0,
4944113a 5190 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
abdc98d4
NC		 5191 0,
5192 0,
5193 0,
5194 0,
5195 0,
5196 0
4944113a 5197);
bbce6d69 5198#endif
a0d0e21e 5199
b3ca2e83
NC		 5200MGVTBL_SET(
5201 PL_vtbl_hintselem,
abdc98d4 5202 0,
b3ca2e83 5203 MEMBER_TO_FPTR(Perl_magic_sethint),
abdc98d4 5204 0,
b3ca2e83 5205 MEMBER_TO_FPTR(Perl_magic_clearhint),
abdc98d4
NC		 5206 0,
5207 0,
5208 0,
5209 0
b3ca2e83
NC		 5210);
5211
bab3dc31 5212#include "overload.h"
a0d0e21e 5213
73c4f7a1
GS		 5214END_EXTERN_C
5215
a6006777 5216struct am_table {
8175493d 5217 U32 flags;
eb160463 5218 U32 was_ok_sub;
a0d0e21e 5219 long was_ok_am;
a0d0e21e 5220 long fallback;
9bd87817 5221 CV* table[NofAMmeth];
a0d0e21e 5222};
a6006777 5223struct am_table_short {
8175493d 5224 U32 flags;
eb160463 5225 U32 was_ok_sub;
a6006777 5226 long was_ok_am;
a6006777 5227};
a0d0e21e 5228typedef struct am_table AMT;
a6006777 5229typedef struct am_table_short AMTS;
a0d0e21e
LW		 5230
5231#define AMGfallNEVER 1
5232#define AMGfallNO 2
5233#define AMGfallYES 3
5234
a6006777 5235#define AMTf_AMAGIC 1
32251b26 5236#define AMTf_OVERLOADED 2
a6006777 5237#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5238#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5239#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 5240#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
5241#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
5242#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 5243
32251b26 5244#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5245
5246/*
5247 * some compilers like to redefine cos et alia as faster
5248 * (and less accurate?) versions called F_cos et cetera (Quidquid
5249 * latine dictum sit, altum viditur.) This trick collides with
5250 * the Perl overloading (amg). The following #defines fool both.
5251 */
5252
5253#ifdef _FASTMATH
5254# ifdef atan2
5255# define F_atan2_amg atan2_amg
5256# endif
5257# ifdef cos
5258# define F_cos_amg cos_amg
5259# endif
5260# ifdef exp
5261# define F_exp_amg exp_amg
5262# endif
5263# ifdef log
5264# define F_log_amg log_amg
5265# endif
5266# ifdef pow
5267# define F_pow_amg pow_amg
5268# endif
5269# ifdef sin
5270# define F_sin_amg sin_amg
5271# endif
5272# ifdef sqrt
5273# define F_sqrt_amg sqrt_amg
5274# endif
5275#endif /* _FASTMATH */
5276
83ee9e09
GS		 5277#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5278 PERLDBf_NOOPT | PERLDBf_INTER | \
5279 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
06492da6
SF		 5280 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON )
5281 /* No _NONAME, _GOTO, _ASSERTION */
83ee9e09
GS		 5282#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5283#define PERLDBf_LINE 0x02 /* Keep line # */
5284#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5285#define PERLDBf_INTER 0x08 /* Preserve more data for
5286 later inspections */
5287#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5288#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5289#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5290#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5291#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5292#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
84902520 5293
3280af22
NIS		 5294#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5295#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5296#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5297#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5298#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5299#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5300#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5301#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5302#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5303#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
06492da6 5304#define PERLDB_ASSERTION (PL_perldb && (PL_perldb & PERLDBf_ASSERTION))
bbce6d69 5305
36477c24 5306#ifdef USE_LOCALE_NUMERIC
bbce6d69 5307
36477c24 5308#define SET_NUMERIC_STANDARD() \
ff4fed7c 5309 set_numeric_standard();
36477c24 5310
5311#define SET_NUMERIC_LOCAL() \
ff4fed7c 5312 set_numeric_local();
bbce6d69 5313
a98fe34d 5314#define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE)
2de3dbcc
JH		 5315#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
5316
5317#define IN_LOCALE \
923e4eb5 5318 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
2de3dbcc 5319
f93f4e46 5320#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 5321 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 5322 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 5323
5324#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 5325 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 5326 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 5327
5328#define RESTORE_NUMERIC_LOCAL() \
5329 if (was_local) SET_NUMERIC_LOCAL();
5330
5331#define RESTORE_NUMERIC_STANDARD() \
5332 if (was_standard) SET_NUMERIC_STANDARD();
5333
5b877257 5334#define Atof my_atof
097ee67d 5335
36477c24 5336#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5337
097ee67d
JH		 5338#define SET_NUMERIC_STANDARD() /**/
5339#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5340#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5341#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5342#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 5343#define RESTORE_NUMERIC_LOCAL() /**/
5344#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 5345#define Atof my_atof
ad3e0f90 5346#define IN_LOCALE_RUNTIME 0
bbce6d69 5347
36477c24 5348#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5349
079290de 5350#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5351# ifdef __hpux
5352# define strtoll __strtoll /* secret handshake */
5353# endif
c623ac67
GS		 5354# ifdef WIN64
5355# define strtoll _strtoi64 /* secret handshake */
5356# endif
079290de
GS		 5357# if !defined(Strtol) && defined(HAS_STRTOLL)
5358# define Strtol strtoll
ad551343 5359# endif
28e5dec8
JH		 5360# if !defined(Strtol) && defined(HAS_STRTOQ)
5361# define Strtol strtoq
5362# endif
ff935051 5363/* is there atoq() anywhere? */
15b99d39 5364#endif
079290de
GS		 5365#if !defined(Strtol) && defined(HAS_STRTOL)
5366# define Strtol strtol
5367#endif
5368#ifndef Atol
5369/* It would be more fashionable to use Strtol() to define atol()
5370 * (as is done for Atoul(), see below) but for backward compatibility
5371 * we just assume atol(). */
76b882ba 5372# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 5373# ifdef WIN64
5374# define atoll _atoi64 /* secret handshake */
5375# endif
76b882ba
JH		 5376# define Atol atoll
5377# else
5378# define Atol atol
5379# endif
cf2093f6
JH		 5380#endif
5381
55eb892c 5382#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5383# ifdef __hpux
5384# define strtoull __strtoull /* secret handshake */
5385# endif
c623ac67
GS		 5386# ifdef WIN64
5387# define strtoull _strtoui64 /* secret handshake */
5388# endif
ad551343 5389# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5390# define Strtoul strtoull
15b99d39 5391# endif
079290de
GS		 5392# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5393# define Strtoul strtouq
5394# endif
76d49b1c 5395/* is there atouq() anywhere? */
ad551343 5396#endif
079290de
GS		 5397#if !defined(Strtoul) && defined(HAS_STRTOUL)
5398# define Strtoul strtoul
cf2093f6 5399#endif
a5523c5b
JH		 5400#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5401# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5402#endif
079290de 5403#ifndef Atoul
d4c19fe8 5404# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5405#endif
cf2093f6 5406
760ac839 5407
06d86050
GS		 5408/* if these never got defined, they need defaults */
5409#ifndef PERL_SET_CONTEXT
5410# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5411#endif
5412
5413#ifndef PERL_GET_CONTEXT
5414# define PERL_GET_CONTEXT PERL_GET_INTERP
5415#endif
5416
5417#ifndef PERL_GET_THX
5418# define PERL_GET_THX ((void*)NULL)
5419#endif
5420
5421#ifndef PERL_SET_THX
5422# define PERL_SET_THX(t) NOOP
5423#endif
5424
a868473f
NIS		 5425#ifndef PERL_SCRIPT_MODE
5426#define PERL_SCRIPT_MODE "r"
5427#endif
5428
fba3b22e 5429/*
da927450
JH		 5430 * Some operating systems are stingy with stack allocation,
5431 * so perl may have to guard against stack overflow.
5432 */
5433#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5434#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5435#endif
5436
5437/*
5438 * Some nonpreemptive operating systems find it convenient to
5439 * check for asynchronous conditions after each op execution.
5440 * Keep this check simple, or it may slow down execution
5441 * massively.
5442 */
ce08f86c 5443
1d615522 5444#ifndef PERL_MICRO
4ffa73a3
JH		 5445# ifndef PERL_ASYNC_CHECK
5446# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
5447# endif
ce08f86c
NIS		 5448#endif
5449
da927450 5450#ifndef PERL_ASYNC_CHECK
1d615522 5451# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5452#endif
5453
5454/*
5455 * On some operating systems, a memory allocation may succeed,
5456 * but put the process too close to the system's comfort limit.
5457 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5458 * it to NULL.
5459 */
5460#ifndef PERL_ALLOC_CHECK
c2af87cb 5461#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5462#endif
5463
bd89102f
AD		 5464#ifdef HAS_SEM
5465# include <sys/ipc.h>
5466# include <sys/sem.h>
5467# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5468 union semun {
dbba660d
TC		 5469 int val;
5470 struct semid_ds *buf;
5471 unsigned short *array;
bd89102f
AD		 5472 };
5473# endif
5474# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5475# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5476 union gccbug_semun {
5477 int val;
5478 struct semid_ds *buf;
5479 unsigned short *array;
5480 char __dummy[5];
5481 };
5482# define semun gccbug_semun
5483# endif
bd89102f
AD		 5484# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5485# else
5486# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5487# ifdef EXTRA_F_IN_SEMUN_BUF
5488# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5489# else
5490# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5491# endif
bd89102f
AD		 5492# endif
5493# endif
bd89102f 5494#endif
49f531da 5495
89ca4ac7
JH		 5496/*
5497 * Boilerplate macros for initializing and accessing interpreter-local
5498 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 5499 * this, if you want to make the extension thread-safe. See
5500 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5501 * and perlxs.pod for more.
89ca4ac7
JH		 5502 *
5503 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5504 * 1. #define MY_CXT_KEY to a unique string, e.g.
5505 * "DynaLoader::_guts" XS_VERSION
f16dd614 5506 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5507 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5508 * all the data that needs to be interpreter-local.
5509 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5510 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5511 * (typically put in the BOOT: section).
5512 * 5. Use the members of the my_cxt_t structure everywhere as
5513 * MY_CXT.member.
5514 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5515 * access MY_CXT.
5516 */
5517
fc958cd2 5518#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 5519
53d44271
JH		 5520#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5521
5522/* This must appear in all extensions that define a my_cxt_t structure,
5523 * right after the definition (i.e. at file scope). The non-threads
5524 * case below uses it to declare the data as static. */
5525#define START_MY_CXT
5526#define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5527
5528/* Creates and zeroes the per-interpreter data.
5529 * (We allocate my_cxtp in a Perl SV so that it will be released when
5530 * the interpreter goes away.) */
5531#define MY_CXT_INIT \
5532 my_cxt_t *my_cxtp = \
5533 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_KEY, sizeof(my_cxt_t))
5534#define MY_CXT_INIT_INTERP(my_perl) \
5535 my_cxt_t *my_cxtp = \
5536 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_KEY, sizeof(my_cxt_t))
5537
5538/* This declaration should be used within all functions that use the
5539 * interpreter-local data. */
5540#define dMY_CXT \
5541 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
5542#define dMY_CXT_INTERP(my_perl) \
5543 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5544
5545/* Clones the per-interpreter data. */
5546#define MY_CXT_CLONE \
5547 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5548 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5549 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5550
5551#else /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
5552
89ca4ac7
JH		 5553/* This must appear in all extensions that define a my_cxt_t structure,
5554 * right after the definition (i.e. at file scope). The non-threads
5555 * case below uses it to declare the data as static. */
f16dd614 5556#define START_MY_CXT static int my_cxt_index = -1;
89ca4ac7
JH		 5557
5558/* This declaration should be used within all functions that use the
5559 * interpreter-local data. */
5560#define dMY_CXT \
f16dd614
DM		 5561 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[my_cxt_index]
5562#define dMY_CXT_INTERP(my_perl) \
5563 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[my_cxt_index]
89ca4ac7
JH		 5564
5565/* Creates and zeroes the per-interpreter data.
5566 * (We allocate my_cxtp in a Perl SV so that it will be released when
5567 * the interpreter goes away.) */
5568#define MY_CXT_INIT \
f16dd614
DM		 5569 my_cxt_t *my_cxtp = \
5570 (my_cxt_t*)Perl_my_cxt_init(aTHX_ &my_cxt_index, sizeof(my_cxt_t))
5571#define MY_CXT_INIT_INTERP(my_perl) \
5572 my_cxt_t *my_cxtp = \
5573 (my_cxt_t*)Perl_my_cxt_init(my_perl, &my_cxt_index, sizeof(my_cxt_t))
89ca4ac7 5574
8fba5d14
MHM		 5575/* Clones the per-interpreter data. */
5576#define MY_CXT_CLONE \
8fba5d14 5577 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
f16dd614
DM		 5578 Copy(PL_my_cxt_list[my_cxt_index], my_cxtp, 1, my_cxt_t);\
5579 PL_my_cxt_list[my_cxt_index] = my_cxtp \
8fba5d14 5580
53d44271
JH		 5581#endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
5582
89ca4ac7
JH		 5583/* This macro must be used to access members of the my_cxt_t structure.
5584 * e.g. MYCXT.some_data */
5585#define MY_CXT (*my_cxtp)
5586
5587/* Judicious use of these macros can reduce the number of times dMY_CXT
5588 * is used. Use is similar to pTHX, aTHX etc. */
5589#define pMY_CXT my_cxt_t *my_cxtp
5590#define pMY_CXT_ pMY_CXT,
5591#define _pMY_CXT ,pMY_CXT
5592#define aMY_CXT my_cxtp
5593#define aMY_CXT_ aMY_CXT,
5594#define _aMY_CXT ,aMY_CXT
5595
f16dd614 5596#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7
JH		 5597
5598#define START_MY_CXT static my_cxt_t my_cxt;
5599#define dMY_CXT_SV dNOOP
5600#define dMY_CXT dNOOP
9568a123 5601#define dMY_CXT_INTERP(my_perl) dNOOP
89ca4ac7 5602#define MY_CXT_INIT NOOP
8fba5d14 5603#define MY_CXT_CLONE NOOP
89ca4ac7
JH		 5604#define MY_CXT my_cxt
5605
5606#define pMY_CXT void
5607#define pMY_CXT_
5608#define _pMY_CXT
5609#define aMY_CXT
5610#define aMY_CXT_
5611#define _aMY_CXT
5612
f16dd614 5613#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5614
9a34ef1d
GS		 5615#ifdef I_FCNTL
5616# include <fcntl.h>
9a34ef1d
GS		 5617#endif
5618
9cffb111
OS		 5619#ifdef __Lynx__
5620# include <fcntl.h>
5621#endif
5622
9a34ef1d
GS		 5623#ifdef I_SYS_FILE
5624# include <sys/file.h>
5625#endif
5626
fa0a29af 5627#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5628int flock(int fd, int op);
5629#endif
5630
fe52b3b7
GS		 5631#ifndef O_RDONLY
5632/* Assume UNIX defaults */
5633# define O_RDONLY 0000
5634# define O_WRONLY 0001
5635# define O_RDWR 0002
5636# define O_CREAT 0100
5637#endif
9a34ef1d 5638
16fe6d59
GS		 5639#ifndef O_BINARY
5640# define O_BINARY 0
5641#endif
5642
5643#ifndef O_TEXT
5644# define O_TEXT 0
5645#endif
5646
6ce75a77
JH		 5647#if O_TEXT != O_BINARY
5648 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5649 * that is, you are somehow DOSish. */
538204d5 5650# if defined(__BEOS__) || defined(__VOS__) || defined(__CYGWIN__)
a6e45062
JH		 5651 /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5652 * BeOS is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5653 /* VOS has O_TEXT != O_BINARY, and they have effect,
5654 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5655 /* If you have O_TEXT different from your O_BINARY but you still are
5656 * not a CRLF shop. */
35990314 5657# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5658# else
5659 /* If you really are DOSish. */
5660# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5661# endif
5662#endif
5663
104d25b7
JH		 5664#ifdef IAMSUID
5665
5666#ifdef I_SYS_STATVFS
9f982a77
IG		 5667# if defined(PERL_SCO) && !defined(_SVID3)
5668# define _SVID3
5669# endif
32b3cf08
JH		 5670# include <sys/statvfs.h> /* for f?statvfs() */
5671#endif
5672#ifdef I_SYS_MOUNT
5673# include <sys/mount.h> /* for *BSD f?statfs() */
5674#endif
5675#ifdef I_MNTENT
5676# include <mntent.h> /* for getmntent() */
104d25b7 5677#endif
0545a864
JH		 5678#ifdef I_SYS_STATFS
5679# include <sys/statfs.h> /* for some statfs() */
5680#endif
5681#ifdef I_SYS_VFS
8d9e1a19
GS		 5682# ifdef __sgi
5683# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
5684# endif
5685# include <sys/vfs.h> /* for some statfs() */
5686# ifdef __sgi
5687# undef IRIX_sv
5688# endif
0545a864
JH		 5689#endif
5690#ifdef I_USTAT
5691# include <ustat.h> /* for ustat() */
5692#endif
5693
5694#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
5695# define PERL_MOUNT_NOSUID MOUNT_NOSUID
5696#endif
5697#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
5698# define PERL_MOUNT_NOSUID MNT_NOSUID
5699#endif
5700#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
5701# define PERL_MOUNT_NOSUID MS_NOSUID
5702#endif
5703#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
5704# define PERL_MOUNT_NOSUID M_NOSUID
5705#endif
104d25b7 5706
ae3f3efd
PS		 5707#if !defined(PERL_MOUNT_NOEXEC) && defined(MOUNT_NOEXEC)
5708# define PERL_MOUNT_NOEXEC MOUNT_NOEXEC
5709#endif
5710#if !defined(PERL_MOUNT_NOEXEC) && defined(MNT_NOEXEC)
5711# define PERL_MOUNT_NOEXEC MNT_NOEXEC
5712#endif
5713#if !defined(PERL_MOUNT_NOEXEC) && defined(MS_NOEXEC)
5714# define PERL_MOUNT_NOEXEC MS_NOEXEC
5715#endif
5716#if !defined(PERL_MOUNT_NOEXEC) && defined(M_NOEXEC)
5717# define PERL_MOUNT_NOEXEC M_NOEXEC
5718#endif
5719
104d25b7
JH		 5720#endif /* IAMSUID */
5721
4bc88a62
PS		 5722#ifdef I_LIBUTIL
5723# include <libutil.h> /* setproctitle() in some FreeBSDs */
5724#endif
5725
b4748376 5726#ifndef EXEC_ARGV_CAST
360ea906 5727#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 5728#endif
5729
dd5dc04f
JH		 5730#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5731 int). value returned in pointed-
5732 to UV */
5733#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5734#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5735#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5736#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5737#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5738
5739#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5740
53305cf1
NC		 5741/* Input flags: */
5742#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5743#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5744#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 5745/* Output flags: */
5746#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5747
2c4f7f0e
DM		 5748/* to let user control profiling */
5749#ifdef PERL_GPROF_CONTROL
5750extern void moncontrol(int);
5751#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5752#else
5753#define PERL_GPROF_MONCONTROL(x)
5754#endif
5755
ae0e3d3b
JH		 5756#ifdef UNDER_CE
5757#include "wince.h"
5758#endif
5759
5760/* ISO 6429 NEL - C1 control NExt Line */
5761/* See http://www.unicode.org/unicode/reports/tr13/ */
5762#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
5763# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
5764# define NEXT_LINE_CHAR 0x15
5765# else /* CDRA */
5766# define NEXT_LINE_CHAR 0x25
5767# endif
5768#else
5769# define NEXT_LINE_CHAR 0x85
5770#endif
5771
5772/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5773#define UNICODE_LINE_SEPA_0 0xE2
5774#define UNICODE_LINE_SEPA_1 0x80
5775#define UNICODE_LINE_SEPA_2 0xA8
5776#define UNICODE_PARA_SEPA_0 0xE2
5777#define UNICODE_PARA_SEPA_1 0x80
5778#define UNICODE_PARA_SEPA_2 0xA9
5779
479b2847
GS		 5780#ifndef PIPESOCK_MODE
5781# define PIPESOCK_MODE
5782#endif
5783
460c8493
IZ		 5784#ifndef SOCKET_OPEN_MODE
5785# define SOCKET_OPEN_MODE PIPESOCK_MODE
5786#endif
5787
5788#ifndef PIPE_OPEN_MODE
5789# define PIPE_OPEN_MODE PIPESOCK_MODE
5790#endif
5791
7e8c5dac
HS		 5792#define PERL_MAGIC_UTF8_CACHESIZE 2
5793
a05d7ebb
JH		 5794#define PERL_UNICODE_STDIN_FLAG 0x0001
5795#define PERL_UNICODE_STDOUT_FLAG 0x0002
5796#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5797#define PERL_UNICODE_IN_FLAG 0x0008
5798#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5799#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5800#define PERL_UNICODE_LOCALE_FLAG 0x0040
5801#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 5802#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 5803
06e66572
JH		 5804#define PERL_UNICODE_STD_FLAG \
5805 (PERL_UNICODE_STDIN_FLAG | \
5806 PERL_UNICODE_STDOUT_FLAG | \
5807 PERL_UNICODE_STDERR_FLAG)
5808
5809#define PERL_UNICODE_INOUT_FLAG \
5810 (PERL_UNICODE_IN_FLAG | \
5811 PERL_UNICODE_OUT_FLAG)
5812
5813#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5814 (PERL_UNICODE_STD_FLAG | \
5815 PERL_UNICODE_INOUT_FLAG | \
5816 PERL_UNICODE_LOCALE_FLAG)
5817
5a22a2bb 5818#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 5819
5820#define PERL_UNICODE_STDIN 'I'
5821#define PERL_UNICODE_STDOUT 'O'
5822#define PERL_UNICODE_STDERR 'E'
5823#define PERL_UNICODE_STD 'S'
5824#define PERL_UNICODE_IN 'i'
5825#define PERL_UNICODE_OUT 'o'
5826#define PERL_UNICODE_INOUT 'D'
5827#define PERL_UNICODE_ARGV 'A'
5828#define PERL_UNICODE_LOCALE 'L'
5829#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 5830#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 5831
4ffa73a3
JH		 5832#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5833
16bd9a85
JH		 5834/* From sigaction(2) (FreeBSD man page):
5835 * | Signal routines normally execute with the signal that
5836 * | caused their invocation blocked, but other signals may
5837 * | yet occur.
5838 * Emulation of this behavior (from within Perl) is enabled
5839 * by defining PERL_BLOCK_SIGNALS.
5840 */
5841#define PERL_BLOCK_SIGNALS
5842
5843#if defined(HAS_SIGPROCMASK) && defined(PERL_BLOCK_SIGNALS)
5844# define PERL_BLOCKSIG_ADD(set,sig) \
5845 sigset_t set; sigemptyset(&(set)); sigaddset(&(set), sig)
5846# define PERL_BLOCKSIG_BLOCK(set) \
5847 sigprocmask(SIG_BLOCK, &(set), NULL)
5848# define PERL_BLOCKSIG_UNBLOCK(set) \
5849 sigprocmask(SIG_UNBLOCK, &(set), NULL)
5850#endif /* HAS_SIGPROCMASK && PERL_BLOCK_SIGNALS */
5851
5852/* How about the old style of sigblock()? */
5853
5854#ifndef PERL_BLOCKSIG_ADD
5855# define PERL_BLOCKSIG_ADD(set, sig) NOOP
5856#endif
5857#ifndef PERL_BLOCKSIG_BLOCK
5858# define PERL_BLOCKSIG_BLOCK(set) NOOP
5859#endif
2bfba5f0 5860#ifndef PERL_BLOCKSIG_UNBLOCK
16bd9a85
JH		 5861# define PERL_BLOCKSIG_UNBLOCK(set) NOOP
5862#endif
5863
32fdb065 5864/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5865 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5866#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5867
3c0f78ca
JH		 5868#if defined(__DECC) && defined(__osf__)
5869#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 5870#endif
5871
e4dba786
NC		 5872#define do_open(g, n, l, a, rm, rp, sf) \
5873 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 5874#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 5875# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 5876#endif
15871fce
NC		 5877#ifdef OS2
5878# define do_aexec Perl_do_aexec
5879#else
5880# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 5881#endif
e4dba786 5882
2f3efc97
JH		 5883#if defined(OEMVS)
5884#define NO_ENV_ARRAY_IN_MAIN
5885#endif
5886
10edeb5d
JH		 5887/* These are used by Perl_pv_escape() and Perl_pv_pretty()
5888 * are here so that they are available throughout the core
5889 * NOTE that even though some are for _escape and some for _pretty
5890 * there must not be any clashes as the flags from _pretty are
5891 * passed straight through to _escape.
5892 */
5893
5894#define PERL_PV_ESCAPE_QUOTE 0x0001
5895#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
5896
95b611b0 5897#define PERL_PV_PRETTY_ELLIPSES 0x0002
10edeb5d
JH		 5898#define PERL_PV_PRETTY_LTGT 0x0004
5899
5900#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
5901
5902#define PERL_PV_ESCAPE_UNI 0x0100
5903#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
5904
5905#define PERL_PV_ESCAPE_ALL 0x1000
5906#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
5907#define PERL_PV_ESCAPE_NOCLEAR 0x4000
44a2ac75 5908#define PERL_PV_ESCAPE_RE 0x8000
10edeb5d 5909
881a015e
NC		 5910#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
5911
10edeb5d 5912/* used by pv_display in dump.c*/
95b611b0
RGS		 5913#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
5914#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE
10edeb5d
JH		 5915
5916/*
5917
5918 (KEEP THIS LAST IN perl.h!)
5919
5920 Mention
d460ef45 5921
43999f95 5922 NV_PRESERVES_UV
fe749a9f 5923
fe749a9f
JH		 5924 HAS_MKSTEMP
5925 HAS_MKSTEMPS
5926 HAS_MKDTEMP
5927
49dabb45
JH		 5928 HAS_GETCWD
5929
d59b5429 5930 HAS_MMAP
fe749a9f
JH		 5931 HAS_MPROTECT
5932 HAS_MSYNC
1e8c3fde 5933 HAS_MADVISE
fe749a9f
JH		 5934 HAS_MUNMAP
5935 I_SYSMMAN
5936 Mmap_t
5937
6b4667fc
A		 5938 NVef
5939 NVff
5940 NVgf
5941
4e0554ec 5942 HAS_UALARM
2d736872 5943 HAS_USLEEP
4e0554ec
JH		 5944
5945 HAS_SETITIMER
5946 HAS_GETITIMER
5947
5948 HAS_SENDMSG
5949 HAS_RECVMSG
5950 HAS_READV
5951 HAS_WRITEV
5952 I_SYSUIO
5953 HAS_STRUCT_MSGHDR
5954 HAS_STRUCT_CMSGHDR
5955
2765b840 5956 HAS_NL_LANGINFO
0a7020c9 5957
ae0e3d3b 5958 HAS_DIRFD
2765b840 5959
10edeb5d 5960 so that Configure picks them up.
ab3bbdeb 5961
10edeb5d 5962 (KEEP THIS LAST IN perl.h!)
3df15adc 5963
10edeb5d 5964*/
3df15adc 5965
85e6fe83 5966#endif /* Include guard */
e9a8c099
MHM		 5967
5968/*
5969 * Local variables:
5970 * c-indentation-style: bsd
5971 * c-basic-offset: 4
5972 * indent-tabs-mode: t
5973 * End:
5974 *
5975 * ex: set ts=8 sts=4 sw=4 noet:
5976 */
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