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PVIOs don't need space for SvNVX allocated.
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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# ifdef __cplusplus
cb69f87a 528# define VOL /* to temporarily suppress warnings */
79072805
LW		 529# else
530# define VOL volatile
531# endif
663a0e37 532#else
79072805 533# define VOL
663a0e37
LW		 534#endif
535
3280af22
NIS		 536#define TAINT (PL_tainted = TRUE)
537#define TAINT_NOT (PL_tainted = FALSE)
538#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
539#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 540#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 541
d460ef45 542/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 543 defines move there? If so, I could simplify this a lot. --AD 9/96.
544*/
545/* Process group stuff changed from traditional BSD to POSIX.
546 perlfunc.pod documents the traditional BSD-style syntax, so we'll
547 try to preserve that, if possible.
548*/
549#ifdef HAS_SETPGID
550# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 551#else
a6e633de 552# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
553# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
554# else
555# ifdef HAS_SETPGRP2 /* DG/UX */
556# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
557# endif
558# endif
559#endif
560#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
561# define HAS_SETPGRP /* Well, effectively it does . . . */
562#endif
563
564/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
565 our life easier :-) so we'll try it.
566*/
567#ifdef HAS_GETPGID
568# define BSD_GETPGRP(pid) getpgid((pid))
569#else
570# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
571# define BSD_GETPGRP(pid) getpgrp((pid))
572# else
573# ifdef HAS_GETPGRP2 /* DG/UX */
574# define BSD_GETPGRP(pid) getpgrp2((pid))
575# endif
576# endif
577#endif
578#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
579# define HAS_GETPGRP /* Well, effectively it does . . . */
580#endif
581
d460ef45 582/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 583 have different behaviors, but perl.h used to define USE_BSDPGRP
584 (prior to 5.003_05) so some extension might depend on it.
585*/
586#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
587# ifndef USE_BSDPGRP
588# define USE_BSDPGRP
589# endif
663a0e37
LW		 590#endif
591
8ac5a1fe
MH		 592/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
593 pthread.h must be included before all other header files.
594*/
3db8f154 595#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 596# include <pthread.h>
597#endif
598
760ac839
LW		 599#ifndef _TYPES_ /* If types.h defines this it's easy. */
600# ifndef major /* Does everyone's types.h define this? */
601# include <sys/types.h>
c07a80fd 602# endif
663a0e37
LW		 603#endif
604
760ac839
LW		 605#ifdef __cplusplus
606# ifndef I_STDARG
607# define I_STDARG 1
608# endif
609#endif
610
611#ifdef I_STDARG
612# include <stdarg.h>
613#else
614# ifdef I_VARARGS
615# include <varargs.h>
616# endif
617#endif
618
4633a7c4 619#ifdef USE_NEXT_CTYPE
0c30d9ec 620
092bebab
JH		 621#if NX_CURRENT_COMPILER_RELEASE >= 500
622# include <bsd/ctypes.h>
623#else
624# if NX_CURRENT_COMPILER_RELEASE >= 400
625# include <objc/NXCType.h>
626# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
627# include <appkit/NXCType.h>
628# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
629#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 630
631#else /* !USE_NEXT_CTYPE */
fe14fcc3 632#include <ctype.h>
0c30d9ec 633#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 634
635#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
636#undef METHOD
a0d0e21e
LW		 637#endif
638
12ae5dfc
JH		 639#ifdef PERL_MICRO
640# define NO_LOCALE
641#endif
642
4633a7c4 643#ifdef I_LOCALE
36477c24 644# include <locale.h>
4633a7c4
LW		 645#endif
646
36477c24 647#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
648# define USE_LOCALE
649# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
650 && defined(HAS_STRXFRM)
651# define USE_LOCALE_COLLATE
652# endif
653# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
654# define USE_LOCALE_CTYPE
655# endif
656# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
657# define USE_LOCALE_NUMERIC
658# endif
659#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 660
fe14fcc3 661#include <setjmp.h>
79072805 662
a0d0e21e 663#ifdef I_SYS_PARAM
79072805
LW		 664# ifdef PARAM_NEEDS_TYPES
665# include <sys/types.h>
666# endif
667# include <sys/param.h>
352d5a3a 668#endif
79072805 669
79072805 670/* Use all the "standard" definitions? */
a0d0e21e 671#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 672# include <stdlib.h>
ff68c719 673#endif
03a14243 674
3f270f98
JH		 675/* If this causes problems, set i_unistd=undef in the hint file. */
676#ifdef I_UNISTD
677# include <unistd.h>
678#endif
679
9969cdde 680#ifdef __SYMBIAN32__
27da23d5
JH		 681# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
682#endif
683
7114a2d2 684#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 685EXTERN_C int syscall(int, ...);
2ef53570
JH		 686#endif
687
7114a2d2 688#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 689EXTERN_C int usleep(unsigned int);
2ef53570
JH		 690#endif
691
9c12f1e5
RGS		 692/* Funky places that do not have socket stuff. */
693#if defined(__LIBCATAMOUNT__)
694# define MYSWAP
695#endif
696
9a34ef1d
GS		 697#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
698# define MYSWAP
699#endif
700
1109a392
MHM		 701#ifdef PERL_CORE
702
703/* macros for correct constant construction */
704# if INTSIZE >= 2
705# define U16_CONST(x) ((U16)x##U)
706# else
707# define U16_CONST(x) ((U16)x##UL)
708# endif
709
710# if INTSIZE >= 4
711# define U32_CONST(x) ((U32)x##U)
712# else
713# define U32_CONST(x) ((U32)x##UL)
714# endif
715
716# ifdef HAS_QUAD
717# if INTSIZE >= 8
718# define U64_CONST(x) ((U64)x##U)
719# elif LONGSIZE >= 8
720# define U64_CONST(x) ((U64)x##UL)
721# elif QUADKIND == QUAD_IS_LONG_LONG
722# define U64_CONST(x) ((U64)x##ULL)
723# else /* best guess we can make */
724# define U64_CONST(x) ((U64)x##UL)
725# endif
726# endif
727
728/* byte-swapping functions for big-/little-endian conversion */
729# define _swab_16_(x) ((U16)( \
730 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
731 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
732
733# define _swab_32_(x) ((U32)( \
734 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
735 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
736 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
737 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
738
739# ifdef HAS_QUAD
740# define _swab_64_(x) ((U64)( \
741 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
742 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
743 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
744 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
745 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
746 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
747 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
748 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
749# endif
750
751/*----------------------------------------------------------------------------*/
752# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
753/*----------------------------------------------------------------------------*/
754# define my_htole16(x) (x)
755# define my_letoh16(x) (x)
756# define my_htole32(x) (x)
757# define my_letoh32(x) (x)
758# define my_htobe16(x) _swab_16_(x)
759# define my_betoh16(x) _swab_16_(x)
760# define my_htobe32(x) _swab_32_(x)
761# define my_betoh32(x) _swab_32_(x)
762# ifdef HAS_QUAD
763# define my_htole64(x) (x)
764# define my_letoh64(x) (x)
765# define my_htobe64(x) _swab_64_(x)
766# define my_betoh64(x) _swab_64_(x)
767# endif
768# define my_htoles(x) (x)
769# define my_letohs(x) (x)
770# define my_htolei(x) (x)
771# define my_letohi(x) (x)
772# define my_htolel(x) (x)
773# define my_letohl(x) (x)
774# if SHORTSIZE == 1
775# define my_htobes(x) (x)
776# define my_betohs(x) (x)
777# elif SHORTSIZE == 2
778# define my_htobes(x) _swab_16_(x)
779# define my_betohs(x) _swab_16_(x)
780# elif SHORTSIZE == 4
781# define my_htobes(x) _swab_32_(x)
782# define my_betohs(x) _swab_32_(x)
783# elif SHORTSIZE == 8
784# define my_htobes(x) _swab_64_(x)
785# define my_betohs(x) _swab_64_(x)
786# else
787# define PERL_NEED_MY_HTOBES
788# define PERL_NEED_MY_BETOHS
789# endif
790# if INTSIZE == 1
791# define my_htobei(x) (x)
792# define my_betohi(x) (x)
793# elif INTSIZE == 2
794# define my_htobei(x) _swab_16_(x)
795# define my_betohi(x) _swab_16_(x)
796# elif INTSIZE == 4
797# define my_htobei(x) _swab_32_(x)
798# define my_betohi(x) _swab_32_(x)
799# elif INTSIZE == 8
800# define my_htobei(x) _swab_64_(x)
801# define my_betohi(x) _swab_64_(x)
802# else
803# define PERL_NEED_MY_HTOBEI
804# define PERL_NEED_MY_BETOHI
805# endif
806# if LONGSIZE == 1
807# define my_htobel(x) (x)
808# define my_betohl(x) (x)
809# elif LONGSIZE == 2
810# define my_htobel(x) _swab_16_(x)
811# define my_betohl(x) _swab_16_(x)
812# elif LONGSIZE == 4
813# define my_htobel(x) _swab_32_(x)
814# define my_betohl(x) _swab_32_(x)
815# elif LONGSIZE == 8
816# define my_htobel(x) _swab_64_(x)
817# define my_betohl(x) _swab_64_(x)
818# else
819# define PERL_NEED_MY_HTOBEL
820# define PERL_NEED_MY_BETOHL
821# endif
822# define my_htolen(p,n) NOOP
823# define my_letohn(p,n) NOOP
824# define my_htoben(p,n) my_swabn(p,n)
825# define my_betohn(p,n) my_swabn(p,n)
826/*----------------------------------------------------------------------------*/
827# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
828/*----------------------------------------------------------------------------*/
829# define my_htobe16(x) (x)
830# define my_betoh16(x) (x)
831# define my_htobe32(x) (x)
832# define my_betoh32(x) (x)
833# define my_htole16(x) _swab_16_(x)
834# define my_letoh16(x) _swab_16_(x)
835# define my_htole32(x) _swab_32_(x)
836# define my_letoh32(x) _swab_32_(x)
837# ifdef HAS_QUAD
838# define my_htobe64(x) (x)
839# define my_betoh64(x) (x)
840# define my_htole64(x) _swab_64_(x)
841# define my_letoh64(x) _swab_64_(x)
842# endif
843# define my_htobes(x) (x)
844# define my_betohs(x) (x)
845# define my_htobei(x) (x)
846# define my_betohi(x) (x)
847# define my_htobel(x) (x)
848# define my_betohl(x) (x)
849# if SHORTSIZE == 1
850# define my_htoles(x) (x)
851# define my_letohs(x) (x)
852# elif SHORTSIZE == 2
853# define my_htoles(x) _swab_16_(x)
854# define my_letohs(x) _swab_16_(x)
855# elif SHORTSIZE == 4
856# define my_htoles(x) _swab_32_(x)
857# define my_letohs(x) _swab_32_(x)
858# elif SHORTSIZE == 8
859# define my_htoles(x) _swab_64_(x)
860# define my_letohs(x) _swab_64_(x)
861# else
862# define PERL_NEED_MY_HTOLES
863# define PERL_NEED_MY_LETOHS
864# endif
865# if INTSIZE == 1
866# define my_htolei(x) (x)
867# define my_letohi(x) (x)
868# elif INTSIZE == 2
869# define my_htolei(x) _swab_16_(x)
870# define my_letohi(x) _swab_16_(x)
871# elif INTSIZE == 4
872# define my_htolei(x) _swab_32_(x)
873# define my_letohi(x) _swab_32_(x)
874# elif INTSIZE == 8
875# define my_htolei(x) _swab_64_(x)
876# define my_letohi(x) _swab_64_(x)
877# else
878# define PERL_NEED_MY_HTOLEI
879# define PERL_NEED_MY_LETOHI
880# endif
881# if LONGSIZE == 1
882# define my_htolel(x) (x)
883# define my_letohl(x) (x)
884# elif LONGSIZE == 2
885# define my_htolel(x) _swab_16_(x)
886# define my_letohl(x) _swab_16_(x)
887# elif LONGSIZE == 4
888# define my_htolel(x) _swab_32_(x)
889# define my_letohl(x) _swab_32_(x)
890# elif LONGSIZE == 8
891# define my_htolel(x) _swab_64_(x)
892# define my_letohl(x) _swab_64_(x)
893# else
894# define PERL_NEED_MY_HTOLEL
895# define PERL_NEED_MY_LETOHL
896# endif
897# define my_htolen(p,n) my_swabn(p,n)
898# define my_letohn(p,n) my_swabn(p,n)
899# define my_htoben(p,n) NOOP
900# define my_betohn(p,n) NOOP
901/*----------------------------------------------------------------------------*/
902# else /* all other byte-orders */
903/*----------------------------------------------------------------------------*/
904# define PERL_NEED_MY_HTOLE16
905# define PERL_NEED_MY_LETOH16
906# define PERL_NEED_MY_HTOBE16
907# define PERL_NEED_MY_BETOH16
908# define PERL_NEED_MY_HTOLE32
909# define PERL_NEED_MY_LETOH32
910# define PERL_NEED_MY_HTOBE32
911# define PERL_NEED_MY_BETOH32
912# ifdef HAS_QUAD
913# define PERL_NEED_MY_HTOLE64
914# define PERL_NEED_MY_LETOH64
915# define PERL_NEED_MY_HTOBE64
916# define PERL_NEED_MY_BETOH64
917# endif
918# define PERL_NEED_MY_HTOLES
919# define PERL_NEED_MY_LETOHS
920# define PERL_NEED_MY_HTOBES
921# define PERL_NEED_MY_BETOHS
922# define PERL_NEED_MY_HTOLEI
923# define PERL_NEED_MY_LETOHI
924# define PERL_NEED_MY_HTOBEI
925# define PERL_NEED_MY_BETOHI
926# define PERL_NEED_MY_HTOLEL
927# define PERL_NEED_MY_LETOHL
928# define PERL_NEED_MY_HTOBEL
929# define PERL_NEED_MY_BETOHL
930/*----------------------------------------------------------------------------*/
931# endif /* end of byte-order macros */
932/*----------------------------------------------------------------------------*/
933
9c17f24a
NC		 934/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
935 at least on FreeBSD. YMMV, so experiment. */
936#ifndef PERL_ARENA_SIZE
937#define PERL_ARENA_SIZE 4080
938#endif
939
ccb2c8b8 940/* Maximum level of recursion */
2b9dff67
RGS		 941#ifndef PERL_SUB_DEPTH_WARN
942#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 943#endif
944
1109a392
MHM		 945#endif /* PERL_CORE */
946
bdf3085f
NC		 947/* We no longer default to creating a new SV for GvSV.
948 Do this before embed. */
949#ifndef PERL_CREATE_GVSV
7459f06b
NC		 950# ifndef PERL_DONT_CREATE_GVSV
951# define PERL_DONT_CREATE_GVSV
952# endif
bdf3085f
NC		 953#endif
954
ca0c25f6
NC		 955#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
956#define PERL_USES_PL_PIDSTATUS
957#endif
958
a62746fa
RGS		 959#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__) && !defined(MACOS_TRADITIONAL)
960#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
961#endif
962
66a93824
NIS		 963/* Cannot include embed.h here on Win32 as win32.h has not
964 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
965 */
96e176bf 966#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 967# include "embed.h"
eb8433b7
NC		 968# ifndef PERL_MAD
969# undef op_getmad
b3f24c00 970# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 971# endif
cea2e8a9
GS		 972#endif
973
c31fac66
GS		 974#define MEM_SIZE Size_t
975
1936d2a7
NC		 976/* Round all values passed to malloc up, by default to a multiple of
977 sizeof(size_t)
978*/
979#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
980#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
981#endif
982
51371543
GS		 983#if defined(STANDARD_C) && defined(I_STDDEF)
984# include <stddef.h>
985# define STRUCT_OFFSET(s,m) offsetof(s,m)
986#else
987# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
988#endif
989
9969cdde 990#ifndef __SYMBIAN32__
27da23d5
JH		 991# if defined(I_STRING) || defined(__cplusplus)
992# include <string.h>
993# else
994# include <strings.h>
995# endif
51371543
GS		 996#endif
997
55497cff 998/* This comes after <stdlib.h> so we don't try to change the standard
999 * library prototypes; we'll use our own in proto.h instead. */
03a14243 1000
4633a7c4 1001#ifdef MYMALLOC
86058a2d 1002# ifdef PERL_POLLUTE_MALLOC
ee13e175 1003# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 1004# define Perl_malloc malloc
1005# define Perl_calloc calloc
1006# define Perl_realloc realloc
1007# define Perl_mfree free
ee13e175 1008# endif
86058a2d
GS		 1009# else
1010# define EMBEDMYMALLOC /* for compatibility */
1011# endif
827e134a 1012
651b9576
GS		 1013# define safemalloc Perl_malloc
1014# define safecalloc Perl_calloc
1015# define saferealloc Perl_realloc
1016# define safefree Perl_mfree
22f7c9c9
JH		 1017# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1018 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1019 code; \
1020 } STMT_END
1021# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1022 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1023# define panic_write2(s) write(2, s, strlen(s))
1024# define CHECK_MALLOC_TAINT(newval) \
1025 CHECK_MALLOC_TOO_LATE_FOR_( \
1026 if (newval) { \
1027 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1028 exit(1); })
22f7c9c9 1029# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1030 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 1031 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1032 }} STMT_END;
f2517201
GS		 1033#else /* MYMALLOC */
1034# define safemalloc safesysmalloc
1035# define safecalloc safesyscalloc
1036# define saferealloc safesysrealloc
1037# define safefree safesysfree
22f7c9c9
JH		 1038# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1039# define CHECK_MALLOC_TAINT(newval) ((void)0)
1040# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1041#endif /* MYMALLOC */
4633a7c4 1042
27da23d5 1043#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		 1044#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1045#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1046#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1047
a0d0e21e
LW		 1048#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1049#define strchr index
1050#define strrchr rindex
1051#endif
1052
16d20bd9
AD		 1053#ifdef I_MEMORY
1054# include <memory.h>
1055#endif
1056
fe14fcc3 1057#ifdef HAS_MEMCPY
85e6fe83 1058# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1059# ifndef memcpy
20ce7b12 1060 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 1061# endif
1062# endif
1063#else
1064# ifndef memcpy
1065# ifdef HAS_BCOPY
1066# define memcpy(d,s,l) bcopy(s,d,l)
1067# else
1068# define memcpy(d,s,l) my_bcopy(s,d,l)
1069# endif
1070# endif
1071#endif /* HAS_MEMCPY */
fe14fcc3 1072
ee0007ab 1073#ifdef HAS_MEMSET
85e6fe83 1074# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1075# ifndef memset
20ce7b12 1076 extern char *memset (char*, int, int);
ee0007ab
LW		 1077# endif
1078# endif
ee0007ab 1079#else
12ae5dfc 1080# undef memset
fc36a67e 1081# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1082#endif /* HAS_MEMSET */
1083
85e6fe83 1084#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1085# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1086# define memmove(d,s,l) bcopy(s,d,l)
1087# else
2304df62 1088# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1089# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1090# else
79072805 1091# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1092# endif
352d5a3a 1093# endif
d9d8d8de 1094#endif
ee0007ab 1095
36477c24 1096#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1097# undef HAS_MEMCMP
1098#endif
1099
1100#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1101# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1102# ifndef memcmp
20ce7b12 1103 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1104# endif
1105# endif
36477c24 1106# ifdef BUGGY_MSC
7e4e8c89 1107# pragma function(memcmp)
36477c24 1108# endif
ee0007ab
LW		 1109#else
1110# ifndef memcmp
ecfc5424 1111# define memcmp my_memcmp
352d5a3a 1112# endif
36477c24 1113#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1114
fc36a67e 1115#ifndef memzero
c635e13b 1116# ifdef HAS_MEMSET
1117# define memzero(d,l) memset(d,0,l)
79072805 1118# else
c635e13b 1119# ifdef HAS_BZERO
1120# define memzero(d,l) bzero(d,l)
79072805 1121# else
fc36a67e 1122# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1123# endif
1124# endif
d9d8d8de 1125#endif
378cc40b 1126
2f42fcb0 1127#ifndef PERL_MICRO
0f27ced1
JH		 1128#ifndef memchr
1129# ifndef HAS_MEMCHR
1130# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1131# endif
1132#endif
2f42fcb0 1133#endif
0f27ced1 1134
36477c24 1135#ifndef HAS_BCMP
1136# ifndef bcmp
1137# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1138# endif
36477c24 1139#endif /* !HAS_BCMP */
378cc40b 1140
ae986130 1141#ifdef I_NETINET_IN
79072805 1142# include <netinet/in.h>
ae986130
LW		 1143#endif
1144
28e8609d
JH		 1145#ifdef I_ARPA_INET
1146# include <arpa/inet.h>
1147#endif
1148
84902520
TB		 1149#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1150/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1151 * (the neo-BSD seem to do this). */
1152# undef SF_APPEND
1153#endif
1154
1aef975c 1155#ifdef I_SYS_STAT
84902520 1156# include <sys/stat.h>
1aef975c 1157#endif
79072805 1158
a0d0e21e
LW		 1159/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1160 like UTekV) are broken, sometimes giving false positives. Undefine
1161 them here and let the code below set them to proper values.
1162
1163 The ghs macro stands for GreenHills Software C-1.8.5 which
1164 is the C compiler for sysV88 and the various derivatives.
1165 This header file bug is corrected in gcc-2.5.8 and later versions.
1166 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1167
1168#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1169# undef S_ISDIR
1170# undef S_ISCHR
1171# undef S_ISBLK
1172# undef S_ISREG
1173# undef S_ISFIFO
1174# undef S_ISLNK
ee0007ab 1175#endif
135863df 1176
663a0e37
LW		 1177#ifdef I_TIME
1178# include <time.h>
ffed7fef 1179#endif
663a0e37 1180
fe14fcc3 1181#ifdef I_SYS_TIME
85e6fe83 1182# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1183# define KERNEL
1184# endif
1185# include <sys/time.h>
85e6fe83 1186# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1187# undef KERNEL
1188# endif
a687059c 1189#endif
135863df 1190
55497cff 1191#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1192# include <sys/times.h>
d9d8d8de 1193#endif
8d063cd8 1194
fe14fcc3 1195#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1196# undef HAS_STRERROR
663a0e37
LW		 1197#endif
1198
1199#include <errno.h>
1e743fda 1200
acfe0abc 1201#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1202# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1203#endif
1204
8cfab5ff
JH		 1205/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1206 * This is important for using IPv6.
1207 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1208 * a bad idea since it breaks send() and recv(). */
1209#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1210# define _SOCKADDR_LEN
1211#endif
1212
8d3f517a 1213#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1214# include <sys/socket.h>
1215# if defined(USE_SOCKS) && defined(I_SOCKS)
1216# if !defined(INCLUDE_PROTOTYPES)
1217# define INCLUDE_PROTOTYPES /* for <socks.h> */
1218# define PERL_SOCKS_NEED_PROTOTYPES
1219# endif
1220# include <socks.h>
1221# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1222# undef INCLUDE_PROTOTYPES
1223# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1224# endif
d460ef45 1225# endif
1e743fda 1226# ifdef I_NETDB
2986a63f
JH		 1227# ifdef NETWARE
1228# include<stdio.h>
1229# endif
1e743fda
JH		 1230# include <netdb.h>
1231# endif
1232# ifndef ENOTSOCK
1233# ifdef I_NET_ERRNO
1234# include <net/errno.h>
1235# endif
1236# endif
1237#endif
1238
fa0a29af 1239/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1240 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1241 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1242#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1243# if defined(__THROW) && defined(__GLIBC__)
1244int sockatmark(int) __THROW;
1245# else
2ef53570 1246int sockatmark(int);
29820b6d 1247# endif
2ef53570
JH		 1248#endif
1249
7e827271 1250#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		 1251EXTERN_C int fchdir(int);
1252EXTERN_C int flock(int, int);
1253EXTERN_C int fseeko(FILE *, off_t, int);
1254EXTERN_C off_t ftello(FILE *);
1255#endif
1256
7e827271 1257#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1258EXTERN_C char *crypt(const char *, const char *);
7e827271 1259EXTERN_C char **environ;
1ccb7c8d
JH		 1260#endif
1261
83a6ff2e 1262#if defined(__cplusplus)
944c4fda 1263# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1264EXTERN_C char **environ;
83a6ff2e 1265# elif defined(__CYGWIN__)
667e2948
SP		 1266EXTERN_C char *crypt(const char *, const char *);
1267#endif
83a6ff2e 1268#endif
667e2948 1269
1e743fda
JH		 1270#ifdef SETERRNO
1271# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1272#endif
f86702cc 1273
1274#ifdef VMS
1275# define SETERRNO(errcode,vmserrcode) \
1276 STMT_START { \
1277 set_errno(errcode); \
1278 set_vaxc_errno(vmserrcode); \
1279 } STMT_END
93189314
JH		 1280# define LIB_INVARG LIB$_INVARG
1281# define RMS_DIR RMS$_DIR
1282# define RMS_FAC RMS$_FAC
1283# define RMS_FEX RMS$_FEX
1284# define RMS_FNF RMS$_FNF
1285# define RMS_IFI RMS$_IFI
1286# define RMS_ISI RMS$_ISI
1287# define RMS_PRV RMS$_PRV
1288# define SS_ACCVIO SS$_ACCVIO
1289# define SS_DEVOFFLINE SS$_DEVOFFLINE
1290# define SS_IVCHAN SS$_IVCHAN
1291# define SS_NORMAL SS$_NORMAL
748a9306 1292#else
aba27d88 1293# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 1294# define LIB_INVARG 0
1295# define RMS_DIR 0
1296# define RMS_FAC 0
1297# define RMS_FEX 0
1298# define RMS_FNF 0
1299# define RMS_IFI 0
1300# define RMS_ISI 0
1301# define RMS_PRV 0
1302# define SS_ACCVIO 0
1303# define SS_DEVOFFLINE 0
1304# define SS_IVCHAN 0
1305# define SS_NORMAL 0
748a9306 1306#endif
ed6116ce 1307
3db8f154 1308#define ERRSV GvSV(PL_errgv)
e203899d
NC		 1309/* FIXME? Change the assignments to PL_defgv to instantiate GvSV? */
1310#define DEFSV GvSVn(PL_defgv)
3db8f154 1311#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1312
98eae8f5
GS		 1313#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1314
55497cff 1315#ifndef errno
5ff3f7a4
GS		 1316 extern int errno; /* ANSI allows errno to be an lvalue expr.
1317 * For example in multithreaded environments
1318 * something like this might happen:
1319 * extern int *_errno(void);
1320 * #define errno (*_errno()) */
d9d8d8de 1321#endif
663a0e37 1322
2304df62 1323#ifdef HAS_STRERROR
a0d0e21e 1324# ifdef VMS
20ce7b12 1325 char *strerror (int,...);
a0d0e21e 1326# else
68dc0745 1327#ifndef DONT_DECLARE_STD
20ce7b12 1328 char *strerror (int);
68dc0745 1329#endif
a0d0e21e 1330# endif
2304df62
AD		 1331# ifndef Strerror
1332# define Strerror strerror
1333# endif
1334#else
1335# ifdef HAS_SYS_ERRLIST
79072805
LW		 1336 extern int sys_nerr;
1337 extern char *sys_errlist[];
2304df62
AD		 1338# ifndef Strerror
1339# define Strerror(e) \
79072805 1340 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1341# endif
79072805 1342# endif
35c8bce7 1343#endif
663a0e37 1344
2304df62 1345#ifdef I_SYS_IOCTL
79072805
LW		 1346# ifndef _IOCTL_
1347# include <sys/ioctl.h>
1348# endif
a687059c
LW		 1349#endif
1350
ee0007ab 1351#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1352# ifdef HAS_SOCKETPAIR
1353# undef HAS_SOCKETPAIR
1354# endif
2304df62
AD		 1355# ifdef I_NDBM
1356# undef I_NDBM
79072805 1357# endif
a687059c
LW		 1358#endif
1359
02fc2eee
NC		 1360#ifndef HAS_SOCKETPAIR
1361# ifdef HAS_SOCKET
1362# define socketpair Perl_my_socketpair
1363# endif
1364#endif
1365
a687059c 1366#if INTSIZE == 2
79072805
LW		 1367# define htoni htons
1368# define ntohi ntohs
a687059c 1369#else
79072805
LW		 1370# define htoni htonl
1371# define ntohi ntohl
a687059c
LW		 1372#endif
1373
a0d0e21e 1374/* Configure already sets Direntry_t */
35c8bce7 1375#if defined(I_DIRENT)
663a0e37 1376# include <dirent.h>
8f1f23e8
W		 1377 /* NeXT needs dirent + sys/dir.h */
1378# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1379# include <sys/dir.h>
1380# endif
ae986130 1381#else
fe14fcc3 1382# ifdef I_SYS_NDIR
79a0689e 1383# include <sys/ndir.h>
663a0e37 1384# else
fe14fcc3 1385# ifdef I_SYS_DIR
79a0689e
LW		 1386# ifdef hp9000s500
1387# include <ndir.h> /* may be wrong in the future */
1388# else
1389# include <sys/dir.h>
1390# endif
663a0e37
LW		 1391# endif
1392# endif
4633a7c4 1393#endif
a687059c 1394
12ae5dfc
JH		 1395#ifdef PERL_MICRO
1396# ifndef DIR
1397# define DIR void
1398# endif
1399#endif
1400
352d5a3a
LW		 1401#ifdef FPUTS_BOTCH
1402/* work around botch in SunOS 4.0.1 and 4.0.2 */
1403# ifndef fputs
79072805 1404# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1405# endif
1406#endif
1407
c623bd54
LW		 1408/*
1409 * The following gobbledygook brought to you on behalf of __STDC__.
1410 * (I could just use #ifndef __STDC__, but this is more bulletproof
1411 * in the face of half-implementations.)
1412 */
1413
7114a2d2 1414#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1415#include <sys/mode.h>
1416#endif
1417
c623bd54
LW		 1418#ifndef S_IFMT
1419# ifdef _S_IFMT
1420# define S_IFMT _S_IFMT
1421# else
1422# define S_IFMT 0170000
1423# endif
1424#endif
1425
1426#ifndef S_ISDIR
1427# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1428#endif
1429
1430#ifndef S_ISCHR
1431# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1432#endif
1433
1434#ifndef S_ISBLK
fe14fcc3
LW		 1435# ifdef S_IFBLK
1436# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1437# else
1438# define S_ISBLK(m) (0)
1439# endif
c623bd54
LW		 1440#endif
1441
1442#ifndef S_ISREG
1443# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1444#endif
1445
1446#ifndef S_ISFIFO
fe14fcc3
LW		 1447# ifdef S_IFIFO
1448# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1449# else
1450# define S_ISFIFO(m) (0)
1451# endif
c623bd54
LW		 1452#endif
1453
1454#ifndef S_ISLNK
1455# ifdef _S_ISLNK
1456# define S_ISLNK(m) _S_ISLNK(m)
1457# else
1458# ifdef _S_IFLNK
1459# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1460# else
1461# ifdef S_IFLNK
1462# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1463# else
1464# define S_ISLNK(m) (0)
1465# endif
1466# endif
1467# endif
1468#endif
1469
1470#ifndef S_ISSOCK
1471# ifdef _S_ISSOCK
1472# define S_ISSOCK(m) _S_ISSOCK(m)
1473# else
1474# ifdef _S_IFSOCK
1475# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1476# else
1477# ifdef S_IFSOCK
1478# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1479# else
1480# define S_ISSOCK(m) (0)
1481# endif
1482# endif
1483# endif
1484#endif
1485
1486#ifndef S_IRUSR
1487# ifdef S_IREAD
1488# define S_IRUSR S_IREAD
1489# define S_IWUSR S_IWRITE
1490# define S_IXUSR S_IEXEC
1491# else
1492# define S_IRUSR 0400
1493# define S_IWUSR 0200
1494# define S_IXUSR 0100
1495# endif
fac7cdfc
JS		 1496#endif
1497
1498#ifndef S_IRGRP
1499# ifdef S_IRUSR
1500# define S_IRGRP (S_IRUSR>>3)
1501# define S_IWGRP (S_IWUSR>>3)
1502# define S_IXGRP (S_IXUSR>>3)
1503# else
1504# define S_IRGRP 0040
1505# define S_IWGRP 0020
1506# define S_IXGRP 0010
1507# endif
1508#endif
1509
1510#ifndef S_IROTH
1511# ifdef S_IRUSR
1512# define S_IROTH (S_IRUSR>>6)
1513# define S_IWOTH (S_IWUSR>>6)
1514# define S_IXOTH (S_IXUSR>>6)
1515# else
1516# define S_IROTH 0040
1517# define S_IWOTH 0020
1518# define S_IXOTH 0010
1519# endif
c623bd54
LW		 1520#endif
1521
1522#ifndef S_ISUID
1523# define S_ISUID 04000
1524#endif
1525
1526#ifndef S_ISGID
1527# define S_ISGID 02000
1528#endif
1529
ca6e1c26
JH		 1530#ifndef S_IRWXU
1531# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1532#endif
ca6e1c26
JH		 1533
1534#ifndef S_IRWXG
1535# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1536#endif
ca6e1c26
JH		 1537
1538#ifndef S_IRWXO
1539# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1540#endif
ca6e1c26 1541
c21fb2b8
JH		 1542/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1543 * which would get included through <sys/file.h >, but that is 3000
1544 * lines in the future. --jhi */
1545
1546#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 1547# define S_IREAD S_IRUSR
1548#endif
1549
c21fb2b8 1550#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1551# define S_IWRITE S_IWUSR
1552#endif
1553
1554#ifndef S_IEXEC
1555# define S_IEXEC S_IXUSR
1556#endif
1557
79072805
LW		 1558#ifdef ff_next
1559# undef ff_next
352d5a3a
LW		 1560#endif
1561
a0d0e21e 1562#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1563# define SLOPPYDIVIDE
1564#endif
1565
748a9306
LW		 1566#ifdef UV
1567#undef UV
1568#endif
1569
c89df6bf
JH		 1570#ifdef SPRINTF_E_BUG
1571# define sprintf UTS_sprintf_wrap
1572#endif
1573
ce582cee
NC		 1574/* For the times when you want the return value of sprintf, and you want it
1575 to be the length. Can't have a thread variable passed in, because C89 has
1576 no varargs macros.
1577*/
1578#ifdef SPRINTF_RETURNS_STRLEN
1579# define my_sprintf sprintf
1580#else
1581# define my_sprintf Perl_my_sprintf
1582#endif
1583
5b692037
JH		 1584/*
1585 * If we have v?snprintf() and the C99 variadic macros, we can just
1586 * use just the v?snprintf(). It is nice to try to trap the buffer
1587 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1588 * gcc statement expressions, then use the function wrappers which try
1589 * to trap the overflow. If we can use the gcc statement expressions,
1590 * we can try that even with the version that uses the C99 variadic
1591 * macros.
5b692037
JH		 1592 */
1593
1208b3dd
JH		 1594/* Note that we do not check against snprintf()/vsnprintf() returning
1595 * negative values because that is non-standard behaviour and we use
1596 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1597 * that should be true only if the snprintf()/vsnprintf() are true
1598 * to the standard. */
1599
dfeee9b1 1600#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1601# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1602# 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 1603# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1604# else
1605# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1606# endif
1607#else
1608# define my_snprintf Perl_my_snprintf
1208b3dd 1609# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1610#endif
1611
dfeee9b1 1612#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1613# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1614# 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 1615# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1616# else
1617# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1618# endif
1619#else
1620# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1621# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1622#endif
d9fad198 1623
a6cc4119
SP		 1624#ifdef HAS_STRLCAT
1625# define my_strlcat strlcat
1626#else
1627# define my_strlcat Perl_my_strlcat
1628#endif
1629
1630#ifdef HAS_STRLCPY
1631# define my_strlcpy strlcpy
1632#else
1633# define my_strlcpy Perl_my_strlcpy
1634#endif
1635
c495e728
JH		 1636/* Configure gets this right but the UTS compiler gets it wrong.
1637 -- Hal Morris <hom00@utsglobal.com> */
1638#ifdef UTS
1639# undef UVTYPE
1640# define UVTYPE unsigned
1641#endif
1642
05f13f53 1643/*
27d4fb96 1644 The IV type is supposed to be long enough to hold any integral
1645 value or a pointer.
1646 --Andy Dougherty August 1996
1647*/
1648
a22e52b9
JH		 1649typedef IVTYPE IV;
1650typedef UVTYPE UV;
8175356b 1651
10cc9d2a 1652#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1653# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1654# define IV_MAX INT64_MAX
1655# define IV_MIN INT64_MIN
1656# define UV_MAX UINT64_MAX
cae7ae48
JH		 1657# ifndef UINT64_MIN
1658# define UINT64_MIN 0
1659# endif
5ff3f7a4
GS		 1660# define UV_MIN UINT64_MIN
1661# else
1662# define IV_MAX PERL_QUAD_MAX
1663# define IV_MIN PERL_QUAD_MIN
1664# define UV_MAX PERL_UQUAD_MAX
1665# define UV_MIN PERL_UQUAD_MIN
1666# endif
cf2093f6
JH		 1667# define IV_IS_QUAD
1668# define UV_IS_QUAD
79072805 1669#else
8175356b 1670# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1671# define IV_MAX INT32_MAX
1672# define IV_MIN INT32_MIN
716026f9
DL		 1673# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1674# define UV_MAX UINT32_MAX
1675# else
1676# define UV_MAX 4294967295U
1677# endif
cae7ae48
JH		 1678# ifndef UINT32_MIN
1679# define UINT32_MIN 0
1680# endif
5ff3f7a4
GS		 1681# define UV_MIN UINT32_MIN
1682# else
1683# define IV_MAX PERL_LONG_MAX
1684# define IV_MIN PERL_LONG_MIN
1685# define UV_MAX PERL_ULONG_MAX
1686# define UV_MIN PERL_ULONG_MIN
1687# endif
8175356b 1688# if IVSIZE == 8
cf2093f6
JH		 1689# define IV_IS_QUAD
1690# define UV_IS_QUAD
de1c2614
JH		 1691# ifndef HAS_QUAD
1692# define HAS_QUAD
1693# endif
cf2093f6
JH		 1694# else
1695# undef IV_IS_QUAD
1696# undef UV_IS_QUAD
de1c2614 1697# undef HAS_QUAD
cf2093f6 1698# endif
79072805 1699#endif
d7d93a81 1700
1109a392
MHM		 1701#ifndef HAS_QUAD
1702# undef PERL_NEED_MY_HTOLE64
1703# undef PERL_NEED_MY_LETOH64
1704# undef PERL_NEED_MY_HTOBE64
1705# undef PERL_NEED_MY_BETOH64
1706#endif
1707
6cde8aec 1708#if defined(uts) || defined(UTS)
11afe549
HM		 1709# undef UV_MAX
1710# define UV_MAX (4294967295u)
20601011
JH		 1711#endif
1712
cae7ae48 1713#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1714#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1715
28e5dec8 1716#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1717#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1718#endif
1719
d460ef45 1720/*
26bb67e2
JH		 1721 * The macros INT2PTR and NUM2PTR are (despite their names)
1722 * bi-directional: they will convert int/float to or from pointers.
1723 * However the conversion to int/float are named explicitly:
1724 * PTR2IV, PTR2UV, PTR2NV.
1725 *
1726 * For int conversions we do not need two casts if pointers are
1727 * the same size as IV and UV. Otherwise we need an explicit
1728 * cast (PTRV) to avoid compiler warnings.
1729 */
56431972
RB		 1730#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1731# define PTRV UV
1732# define INT2PTR(any,d) (any)(d)
1733#else
d460ef45 1734# if PTRSIZE == LONGSIZE
56431972 1735# define PTRV unsigned long
e91e3b10 1736# define PTR2ul(p) (unsigned long)(p)
42718184 1737# else
56431972 1738# define PTRV unsigned
42718184 1739# endif
e91e3b10
RB		 1740#endif
1741
1742#ifndef INT2PTR
56431972 1743# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1744#endif
e91e3b10
RB		 1745
1746#ifndef PTR2ul
1747# define PTR2ul(p) INT2PTR(unsigned long,p)
1748#endif
1749
56431972
RB		 1750#define NUM2PTR(any,d) (any)(PTRV)(d)
1751#define PTR2IV(p) INT2PTR(IV,p)
1752#define PTR2UV(p) INT2PTR(UV,p)
1753#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1754#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1755
8141890a
JH		 1756/* According to strict ANSI C89 one cannot freely cast between
1757 * data pointers and function (code) pointers. There are at least
1758 * two ways around this. One (used below) is to do two casts,
1759 * first the other pointer to an (unsigned) integer, and then
1760 * the integer to the other pointer. The other way would be
1761 * to use unions to "overlay" the pointers. For an example of
1762 * the latter technique, see union dirpu in struct xpvio in sv.h.
1763 * The only feasible use is probably temporarily storing
1764 * function pointers in a data pointer (such as a void pointer). */
1765
e91e3b10
RB		 1766#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1767#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1768
65202027 1769#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1770# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1771# define LONG_DOUBLE_EQUALS_DOUBLE
1772# endif
68d4903c 1773# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1774# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1775# endif
1776#endif
1777
2d4389e4
JH		 1778#ifdef OVR_DBL_DIG
1779/* Use an overridden DBL_DIG */
1780# ifdef DBL_DIG
1781# undef DBL_DIG
1782# endif
1783# define DBL_DIG OVR_DBL_DIG
1784#else
1785/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1786 default value for printing floating point numbers in Gconvert
1787 (see config.h). (It also has other uses, such as figuring out if
1788 a given precision of printing can be done with a double instead of
1789 a long double - Allen).
2d4389e4
JH		 1790*/
1791#ifdef I_LIMITS
1792#include <limits.h>
1793#endif
1794#ifdef I_FLOAT
1795#include <float.h>
1796#endif
1797#ifndef HAS_DBL_DIG
1798#define DBL_DIG 15 /* A guess that works lots of places */
1799#endif
1800#endif
1801
1802#ifdef OVR_LDBL_DIG
1803/* Use an overridden LDBL_DIG */
1804# ifdef LDBL_DIG
1805# undef LDBL_DIG
1806# endif
1807# define LDBL_DIG OVR_LDBL_DIG
1808#else
1809/* The following is all to get LDBL_DIG, in order to pick a nice
1810 default value for printing floating point numbers in Gconvert.
1811 (see config.h)
1812*/
68d4903c
JH		 1813# ifdef I_LIMITS
1814# include <limits.h>
1815# endif
1816# ifdef I_FLOAT
1817# include <float.h>
1818# endif
1819# ifndef HAS_LDBL_DIG
1820# if LONG_DOUBLESIZE == 10
1821# define LDBL_DIG 18 /* assume IEEE */
1822# else
1823# if LONG_DOUBLESIZE == 12
1824# define LDBL_DIG 18 /* gcc? */
1825# else
1826# if LONG_DOUBLESIZE == 16
1827# define LDBL_DIG 33 /* assume IEEE */
1828# else
1829# if LONG_DOUBLESIZE == DOUBLESIZE
1830# define LDBL_DIG DBL_DIG /* bummer */
1831# endif
1832# endif
1833# endif
1834# endif
1835# endif
2d4389e4
JH		 1836#endif
1837
20f6aaab
AS		 1838/*
1839 * This is for making sure we have a good DBL_MAX value, if possible,
1840 * either for usage as NV_MAX or for usage in figuring out if we can
1841 * fit a given long double into a double, if bug-fixing makes it
1842 * necessary to do so. - Allen <allens@cpan.org>
1843 */
1844
205f51d8
AS		 1845#ifdef I_LIMITS
1846# include <limits.h>
20f6aaab
AS		 1847#endif
1848
205f51d8
AS		 1849#ifdef I_VALUES
1850# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1851# include <values.h>
1852# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1853# define DBL_MAX MAXDOUBLE
1854# endif
1855# if defined(MINDOUBLE) && !defined(DBL_MIN)
1856# define DBL_MIN MINDOUBLE
1857# endif
1858# endif
1859#endif /* defined(I_VALUES) */
1860
a22e52b9 1861typedef NVTYPE NV;
8175356b 1862
792d8dab
JH		 1863#ifdef I_IEEEFP
1864# include <ieeefp.h>
1865#endif
923fc586 1866
65202027 1867#ifdef USE_LONG_DOUBLE
923fc586
JH		 1868# ifdef I_SUNMATH
1869# include <sunmath.h>
1870# endif
2d4389e4 1871# define NV_DIG LDBL_DIG
d6c14000
JH		 1872# ifdef LDBL_MANT_DIG
1873# define NV_MANT_DIG LDBL_MANT_DIG
1874# endif
06fc1729
JH		 1875# ifdef LDBL_MIN
1876# define NV_MIN LDBL_MIN
1877# endif
1878# ifdef LDBL_MAX
1879# define NV_MAX LDBL_MAX
1880# endif
1881# ifdef LDBL_MIN_10_EXP
1882# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1883# endif
1884# ifdef LDBL_MAX_10_EXP
1885# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1886# endif
1887# ifdef LDBL_EPSILON
1888# define NV_EPSILON LDBL_EPSILON
1889# endif
f4a14a62
JH		 1890# ifdef LDBL_MAX
1891# define NV_MAX LDBL_MAX
20f6aaab 1892/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1893# else
1894# ifdef HUGE_VALL
1895# define NV_MAX HUGE_VALL
1896# else
1897# ifdef HUGE_VAL
1898# define NV_MAX ((NV)HUGE_VAL)
1899# endif
1900# endif
1901# endif
68d4903c 1902# ifdef HAS_SQRTL
68d4903c
JH		 1903# define Perl_cos cosl
1904# define Perl_sin sinl
1905# define Perl_sqrt sqrtl
1906# define Perl_exp expl
1907# define Perl_log logl
1908# define Perl_atan2 atan2l
1909# define Perl_pow powl
1910# define Perl_floor floorl
1bbae031 1911# define Perl_ceil ceill
68d4903c
JH		 1912# define Perl_fmod fmodl
1913# endif
a3540c92
JH		 1914/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1915# ifdef HAS_MODFL
1916# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1917/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1918 prototype in <math.h> */
1919# ifndef HAS_MODFL_PROTO
a221a8a5 1920EXTERN_C long double modfl(long double, long double *);
51997bc3 1921# endif
03476e8e
JH		 1922# else
1923# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1924 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1925# define Perl_modf(x,y) Perl_my_modfl(x,y)
1926# endif
a3540c92
JH		 1927# endif
1928# ifdef HAS_FREXPL
dff3e0b8 1929# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1930# else
1931# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1932 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1933# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1934# endif
a3540c92 1935# endif
38dbb4c5 1936# ifndef Perl_isnan
758a5d79
JH		 1937# ifdef HAS_ISNANL
1938# define Perl_isnan(x) isnanl(x)
1939# endif
1940# endif
1941# ifndef Perl_isinf
1942# ifdef HAS_FINITEL
1943# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1944# endif
1945# endif
65202027 1946#else
2d4389e4 1947# define NV_DIG DBL_DIG
d6c14000
JH		 1948# ifdef DBL_MANT_DIG
1949# define NV_MANT_DIG DBL_MANT_DIG
1950# endif
06fc1729
JH		 1951# ifdef DBL_MIN
1952# define NV_MIN DBL_MIN
1953# endif
1954# ifdef DBL_MAX
1955# define NV_MAX DBL_MAX
1956# endif
1957# ifdef DBL_MIN_10_EXP
1958# define NV_MIN_10_EXP DBL_MIN_10_EXP
1959# endif
1960# ifdef DBL_MAX_10_EXP
1961# define NV_MAX_10_EXP DBL_MAX_10_EXP
1962# endif
1963# ifdef DBL_EPSILON
1964# define NV_EPSILON DBL_EPSILON
1965# endif
205f51d8 1966# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1967# define NV_MAX DBL_MAX
1968# define NV_MIN DBL_MIN
1969# else
1970# ifdef HUGE_VAL
1971# define NV_MAX HUGE_VAL
1972# endif
1973# endif
65202027
DS		 1974# define Perl_cos cos
1975# define Perl_sin sin
1976# define Perl_sqrt sqrt
1977# define Perl_exp exp
1978# define Perl_log log
1979# define Perl_atan2 atan2
1980# define Perl_pow pow
1981# define Perl_floor floor
1bbae031 1982# define Perl_ceil ceil
65202027 1983# define Perl_fmod fmod
a3540c92 1984# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1985# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1986#endif
1987
1988/* rumor has it that Win32 has _fpclass() */
1989
205f51d8
AS		 1990/* SGI has fpclassl... but not with the same result values,
1991 * and it's via a typedef (not via #define), so will need to redo Configure
1992 * to use. Not worth the trouble, IMO, at least until the below is used
1993 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1994 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1995 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1996
758a5d79
JH		 1997#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1998# ifdef I_IEEFP
1999# include <ieeefp.h>
2000# endif
2001# ifdef I_FP
2002# include <fp.h>
2003# endif
2004# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2005# define Perl_fp_class() fpclassl(x)
2006# else
2007# define Perl_fp_class() fpclass(x)
2008# endif
2009# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2010# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2011# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2012# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2013# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2014# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2015# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2016# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2017# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2018# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2019# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2020# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2021# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2022# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2023# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2024#endif
2025
7114a2d2 2026#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2027# include <math.h>
2028# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2029# include <fp_class.h>
2030# endif
2031# define Perl_fp_class(x) fp_class(x)
2032# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2033# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2034# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2035# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2036# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2037# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2038# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2039# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2040# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2041# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2042# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2043# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2044# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2045# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2046# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2047#endif
2048
2049#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2050# include <math.h>
2051# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2052# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2053# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2054# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2055# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2056# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2057#endif
2058
2059#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2060# include <math.h>
2061# ifndef _cplusplus
2062# define Perl_fp_class(x) class(x)
2063# else
2064# define Perl_fp_class(x) _class(x)
2065# endif
2066# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2067# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2068# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2069# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2070# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2071# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2072# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2073# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2074# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2075# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2076# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2077# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2078# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2079# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2080# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2081#endif
2082
2083/* rumor has it that Win32 has _isnan() */
2084
2085#ifndef Perl_isnan
a3540c92 2086# ifdef HAS_ISNAN
758a5d79
JH		 2087# define Perl_isnan(x) isnan((NV)x)
2088# else
2089# ifdef Perl_fp_class_nan
2090# define Perl_isnan(x) Perl_fp_class_nan(x)
2091# else
2092# ifdef HAS_UNORDERED
2093# define Perl_isnan(x) unordered((x), 0.0)
2094# else
2095# define Perl_isnan(x) ((x)!=(x))
2096# endif
2097# endif
2098# endif
2099#endif
2100
ca6c63e1
JH		 2101#ifdef UNDER_CE
2102int isnan(double d);
2103#endif
2104
758a5d79
JH		 2105#ifndef Perl_isinf
2106# ifdef HAS_ISINF
2107# define Perl_isinf(x) isinf((NV)x)
a3540c92 2108# else
758a5d79
JH		 2109# ifdef Perl_fp_class_inf
2110# define Perl_isinf(x) Perl_fp_class_inf(x)
2111# else
2112# define Perl_isinf(x) ((x)==NV_INF)
2113# endif
2114# endif
2115#endif
2116
2117#ifndef Perl_isfinite
2118# ifdef HAS_FINITE
2119# define Perl_isfinite(x) finite((NV)x)
2120# else
2121# ifdef HAS_ISFINITE
2122# define Perl_isfinite(x) isfinite(x)
2123# else
2124# ifdef Perl_fp_class_finite
2125# define Perl_isfinite(x) Perl_fp_class_finite(x)
2126# else
2127# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2128# endif
2129# endif
a3540c92 2130# endif
65202027
DS		 2131#endif
2132
a36244b7
JH		 2133/* The default is to use Perl's own atof() implementation (in numeric.c).
2134 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2135 * it is however best to use the native implementation of atof.
2136 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2137 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2138 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2139 * you may need to be using a different function than atof! */
a36244b7
JH		 2140
2141#ifndef USE_PERL_ATOF
2142# ifndef _UNICOS
2143# define USE_PERL_ATOF
2144# endif
2145#else
2146# if USE_PERL_ATOF == 0
2147# undef USE_PERL_ATOF
2148# endif
2149#endif
2150
2151#ifdef USE_PERL_ATOF
2152# define Perl_atof(s) Perl_my_atof(s)
2153# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2154#else
2155# define Perl_atof(s) (NV)atof(s)
2156# define Perl_atof2(s, n) ((n) = atof(s))
2157#endif
cf2093f6 2158
d460ef45 2159/* Previously these definitions used hardcoded figures.
760ac839
LW		 2160 * It is hoped these formula are more portable, although
2161 * no data one way or another is presently known to me.
2162 * The "PERL_" names are used because these calculated constants
2163 * do not meet the ANSI requirements for LONG_MAX, etc., which
2164 * need to be constants acceptable to #if - kja
2165 * define PERL_LONG_MAX 2147483647L
2166 * define PERL_LONG_MIN (-LONG_MAX - 1)
2167 * define PERL ULONG_MAX 4294967295L
2168 */
2169
2170#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2171# include <limits.h>
760ac839 2172#endif
205f51d8
AS		 2173/* Included values.h above if necessary; still including limits.h down here,
2174 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2175
99abf803 2176/*
2177 * Try to figure out max and min values for the integral types. THE CORRECT
2178 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2179 * following hacks are used if neither limits.h or values.h provide them:
2180 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2181 * for types < int: (unsigned TYPE)~(unsigned)0
2182 * The argument to ~ must be unsigned so that later signed->unsigned
2183 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2184 * and it must not be smaller than int because ~ does integral promotion.
2185 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2186 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2187 * The latter is a hack which happens to work on some machines but
2188 * does *not* catch any random system, or things like integer types
2189 * with NaN if that is possible.
2190 *
2191 * All of the types are explicitly cast to prevent accidental loss of
2192 * numeric range, and in the hope that they will be less likely to confuse
2193 * over-eager optimizers.
2194 *
2195 */
27d4fb96 2196
99abf803 2197#define PERL_UCHAR_MIN ((unsigned char)0)
2198
2199#ifdef UCHAR_MAX
2200# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2201#else
99abf803 2202# ifdef MAXUCHAR
2203# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2204# else
99abf803 2205# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2206# endif
2207#endif
d460ef45 2208
99abf803 2209/*
2210 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2211 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2212 * depending on local options. Until Configure detects this (or at least
2213 * detects whether the "signed" keyword is available) the CHAR ranges
2214 * will not be included. UCHAR functions normally.
2215 * - kja
2216 */
27d4fb96 2217
99abf803 2218#define PERL_USHORT_MIN ((unsigned short)0)
2219
2220#ifdef USHORT_MAX
2221# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2222#else
99abf803 2223# ifdef MAXUSHORT
2224# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2225# else
ef2f54b0
CB		 2226# ifdef USHRT_MAX
2227# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2228# else
2229# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2230# endif
27d4fb96 2231# endif
2232#endif
2233
27d4fb96 2234#ifdef SHORT_MAX
99abf803 2235# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2236#else
2237# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2238# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2239# else
ef2f54b0
CB		 2240# ifdef SHRT_MAX
2241# define PERL_SHORT_MAX ((short)SHRT_MAX)
2242# else
2243# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2244# endif
27d4fb96 2245# endif
2246#endif
2247
2248#ifdef SHORT_MIN
99abf803 2249# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2250#else
2251# ifdef MINSHORT
99abf803 2252# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2253# else
ef2f54b0
CB		 2254# ifdef SHRT_MIN
2255# define PERL_SHORT_MIN ((short)SHRT_MIN)
2256# else
2257# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2258# endif
27d4fb96 2259# endif
2260#endif
2261
99abf803 2262#ifdef UINT_MAX
2263# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2264#else
99abf803 2265# ifdef MAXUINT
2266# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2267# else
99abf803 2268# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2269# endif
2270#endif
2271
99abf803 2272#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2273
2274#ifdef INT_MAX
99abf803 2275# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2276#else
2277# ifdef MAXINT /* Often used in <values.h> */
99abf803 2278# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2279# else
99abf803 2280# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2281# endif
2282#endif
2283
2284#ifdef INT_MIN
99abf803 2285# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2286#else
2287# ifdef MININT
99abf803 2288# define PERL_INT_MIN ((int)MININT)
27d4fb96 2289# else
2290# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2291# endif
2292#endif
2293
99abf803 2294#ifdef ULONG_MAX
2295# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2296#else
99abf803 2297# ifdef MAXULONG
2298# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2299# else
99abf803 2300# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2301# endif
2302#endif
2303
99abf803 2304#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2305
760ac839 2306#ifdef LONG_MAX
99abf803 2307# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2308#else
2309# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2310# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2311# else
99abf803 2312# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2313# endif
2314#endif
2315
2316#ifdef LONG_MIN
99abf803 2317# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2318#else
2319# ifdef MINLONG
99abf803 2320# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2321# else
27d4fb96 2322# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2323# endif
2324#endif
2325
d7d93a81 2326#ifdef UV_IS_QUAD
99abf803 2327
99abf803 2328# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2329# define PERL_UQUAD_MIN ((UV)0)
99abf803 2330# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2331# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2332
79072805
LW		 2333#endif
2334
22f7c9c9
JH		 2335#ifdef MYMALLOC
2336# include "malloc_ctl.h"
2337#endif
2338
830247a4 2339struct RExC_state_t;
8e11feef 2340struct _reg_trie_data;
880b20b6 2341
ee0007ab 2342typedef MEM_SIZE STRLEN;
450a55e4 2343
598921a7
NC		 2344#ifdef PERL_MAD
2345typedef struct token TOKEN;
2346typedef struct madprop MADPROP;
2347typedef struct nexttoken NEXTTOKE;
2348#endif
79072805
LW		 2349typedef struct op OP;
2350typedef struct cop COP;
2351typedef struct unop UNOP;
2352typedef struct binop BINOP;
2353typedef struct listop LISTOP;
2354typedef struct logop LOGOP;
79072805
LW		 2355typedef struct pmop PMOP;
2356typedef struct svop SVOP;
7934575e 2357typedef struct padop PADOP;
79072805 2358typedef struct pvop PVOP;
79072805
LW		 2359typedef struct loop LOOP;
2360
cd1541b2
NC		 2361typedef struct interpreter PerlInterpreter;
2362
d2b3f365
SS		 2363/* Amdahl's <ksync.h> has struct sv */
2364/* SGI's <sys/sema.h> has struct sv */
2365#if defined(UTS) || defined(__sgi)
2366# define STRUCT_SV perl_sv
b8d3c5db
JH		 2367#else
2368# define STRUCT_SV sv
2369#endif
2370typedef struct STRUCT_SV SV;
79072805
LW		 2371typedef struct av AV;
2372typedef struct hv HV;
2373typedef struct cv CV;
288b8c02 2374typedef struct regexp ORANGE; /* This is the body structure. */
d2f13c59 2375typedef struct p5rx REGEXP;
79072805 2376typedef struct gp GP;
0c30d9ec 2377typedef struct gv GV;
8990e307 2378typedef struct io IO;
c09156bb 2379typedef struct context PERL_CONTEXT;
79072805
LW		 2380typedef struct block BLOCK;
2381
2382typedef struct magic MAGIC;
2383typedef struct xpv XPV;
2384typedef struct xpviv XPVIV;
ff68c719 2385typedef struct xpvuv XPVUV;
79072805
LW		 2386typedef struct xpvnv XPVNV;
2387typedef struct xpvmg XPVMG;
2388typedef struct xpvlv XPVLV;
2389typedef struct xpvav XPVAV;
2390typedef struct xpvhv XPVHV;
2391typedef struct xpvgv XPVGV;
2392typedef struct xpvcv XPVCV;
2393typedef struct xpvbm XPVBM;
2394typedef struct xpvfm XPVFM;
8990e307 2395typedef struct xpvio XPVIO;
79072805
LW		 2396typedef struct mgvtbl MGVTBL;
2397typedef union any ANY;
5f7fde29
GS		 2398typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2399typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2400typedef struct clone_params CLONE_PARAMS;
2401
378cc40b 2402#include "handy.h"
a0d0e21e 2403
6b8eaf93 2404#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2405# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2406# define USE_64_BIT_RAWIO /* implicit */
2407# endif
4564133c
JH		 2408#endif
2409
6b8eaf93
JH		 2410/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2411 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2412 * however, because operating systems like to do that themself. */
2413#ifndef FSEEKSIZE
2414# ifdef HAS_FSEEKO
2415# define FSEEKSIZE LSEEKSIZE
2416# else
2417# define FSEEKSIZE LONGSIZE
d460ef45 2418# endif
6b8eaf93
JH		 2419#endif
2420
2421#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2422# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2423# define USE_64_BIT_STDIO /* implicit */
2424# endif
2425#endif
4564133c 2426
09458382 2427#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2428# ifdef HAS_OFF64_T
2429# undef Off_t
2430# define Off_t off64_t
2431# undef LSEEKSIZE
2432# define LSEEKSIZE 8
5ff3f7a4 2433# endif
d9b3e12d
JH		 2434/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2435 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2436 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2437# if defined(USE_OPEN64)
2438# define open open64
5ff3f7a4 2439# endif
d9b3e12d
JH		 2440# if defined(USE_LSEEK64)
2441# define lseek lseek64
6b8eaf93
JH		 2442# else
2443# if defined(USE_LLSEEK)
2444# define lseek llseek
2445# endif
d9b3e12d
JH		 2446# endif
2447# if defined(USE_STAT64)
2448# define stat stat64
2449# endif
2450# if defined(USE_FSTAT64)
2451# define fstat fstat64
2452# endif
2453# if defined(USE_LSTAT64)
2454# define lstat lstat64
2455# endif
2456# if defined(USE_FLOCK64)
2457# define flock flock64
2458# endif
2459# if defined(USE_LOCKF64)
2460# define lockf lockf64
2461# endif
2462# if defined(USE_FCNTL64)
2463# define fcntl fcntl64
2464# endif
2465# if defined(USE_TRUNCATE64)
2466# define truncate truncate64
2467# endif
2468# if defined(USE_FTRUNCATE64)
2469# define ftruncate ftruncate64
2470# endif
2471#endif
2472
2473#ifdef USE_64_BIT_STDIO
2474# ifdef HAS_FPOS64_T
2475# undef Fpos_t
2476# define Fpos_t fpos64_t
2477# endif
2478/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2479 * will trigger defines like the ones below. Some 64-bit environments,
2480 * however, do not. */
2481# if defined(USE_FOPEN64)
2482# define fopen fopen64
2483# endif
2484# if defined(USE_FSEEK64)
6b8eaf93 2485# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2486# endif
2487# if defined(USE_FTELL64)
6b8eaf93 2488# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2489# endif
2490# if defined(USE_FSETPOS64)
2491# define fsetpos fsetpos64
2492# endif
2493# if defined(USE_FGETPOS64)
2494# define fgetpos fgetpos64
2495# endif
2496# if defined(USE_TMPFILE64)
2497# define tmpfile tmpfile64
2498# endif
2499# if defined(USE_FREOPEN64)
2500# define freopen freopen64
5ff3f7a4
GS		 2501# endif
2502#endif
2503
af8b425d 2504#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2505# include "iperlsys.h"
2506#endif
2507
6f71a643 2508#if defined(__OPEN_VM)
19848b3f
JH		 2509# include "vmesa/vmesaish.h"
2510# define ISHISH "vmesa"
6f71a643
JH		 2511#endif
2512
748a9306 2513#ifdef DOSISH
19848b3f
JH		 2514# if defined(OS2)
2515# include "os2ish.h"
2516# else
2517# include "dosish.h"
2518# endif
2519# define ISHISH "dos"
2520#endif
2521
2522#if defined(VMS)
748a9306 2523# include "vmsish.h"
96e176bf 2524# include "embed.h"
eb8433b7
NC		 2525# ifndef PERL_MAD
2526# undef op_getmad
b3f24c00 2527# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2528# endif
19848b3f
JH		 2529# define ISHISH "vms"
2530#endif
2531
2532#if defined(PLAN9)
2533# include "./plan9/plan9ish.h"
2534# define ISHISH "plan9"
2535#endif
2536
2537#if defined(MPE)
2538# include "mpeix/mpeixish.h"
2539# define ISHISH "mpeix"
2540#endif
2541
2542#if defined(__VOS__)
196918b0
PG		 2543# ifdef __GNUC__
2544# include "./vos/vosish.h"
2545# else
2546# include "vos/vosish.h"
2547# endif
19848b3f
JH		 2548# define ISHISH "vos"
2549#endif
2550
2551#if defined(EPOC)
2552# include "epocish.h"
2553# define ISHISH "epoc"
2554#endif
2555
9969cdde 2556#ifdef __SYMBIAN32__
27da23d5
JH		 2557# include "symbian/symbianish.h"
2558# include "embed.h"
eb8433b7
NC		 2559# ifndef PERL_MAD
2560# undef op_getmad
b3f24c00 2561# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2562# endif
27da23d5
JH		 2563# define ISHISH "symbian"
2564#endif
2565
19848b3f
JH		 2566#if defined(MACOS_TRADITIONAL)
2567# include "macos/macish.h"
2568# ifndef NO_ENVIRON_ARRAY
2569# define NO_ENVIRON_ARRAY
0c30d9ec 2570# endif
19848b3f
JH		 2571# define ISHISH "macos classic"
2572#endif
2573
efca5cc6
JH		 2574#if defined(__BEOS__)
2575# include "beos/beosish.h"
2576# define ISHISH "beos"
2577#endif
2578
19848b3f
JH		 2579#ifndef ISHISH
2580# include "unixish.h"
2581# define ISHISH "unix"
13b6e58c
JH		 2582#endif
2583
2946a158
JH		 2584/* NSIG logic from Configure --> */
2585/* Strange style to avoid deeply-nested #if/#else/#endif */
2586#ifndef NSIG
2587# ifdef _NSIG
2588# define NSIG (_NSIG)
2589# endif
2590#endif
2591
2592#ifndef NSIG
2593# ifdef SIGMAX
2594# define NSIG (SIGMAX+1)
2595# endif
2596#endif
2597
2598#ifndef NSIG
2599# ifdef SIG_MAX
2600# define NSIG (SIG_MAX+1)
2601# endif
2602#endif
2603
2604#ifndef NSIG
2605# ifdef _SIG_MAX
2606# define NSIG (_SIG_MAX+1)
2607# endif
2608#endif
2609
2610#ifndef NSIG
2611# ifdef MAXSIG
2612# define NSIG (MAXSIG+1)
2613# endif
2614#endif
2615
2616#ifndef NSIG
2617# ifdef MAX_SIG
2618# define NSIG (MAX_SIG+1)
2619# endif
2620#endif
2621
2622#ifndef NSIG
2623# ifdef SIGARRAYSIZE
2624# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2625# endif
2626#endif
2627
2628#ifndef NSIG
2629# ifdef _sys_nsig
2630# define NSIG (_sys_nsig) /* Solaris 2.5 */
2631# endif
2632#endif
2633
2634/* Default to some arbitrary number that's big enough to get most
2635 of the common signals.
2636*/
2637#ifndef NSIG
2638# define NSIG 50
2639#endif
2640/* <-- NSIG logic from Configure */
2641
13b6e58c
JH		 2642#ifndef NO_ENVIRON_ARRAY
2643# define USE_ENVIRON_ARRAY
2644#endif
32f822de 2645
c77b533b
JH		 2646/*
2647 * initialise to avoid floating-point exceptions from overflow, etc
2648 */
2649#ifndef PERL_FPU_INIT
2650# ifdef HAS_FPSETMASK
2651# if HAS_FLOATINGPOINT_H
2652# include <floatingpoint.h>
2653# endif
7f7c3354 2654# define PERL_FPU_INIT fpsetmask(0)
c77b533b 2655# else
2f42fcb0 2656# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2657# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2658# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2659# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2660# else
2661# define PERL_FPU_INIT
2f42fcb0 2662
7014c407 2663# endif
c77b533b
JH		 2664# endif
2665#endif
b35112e7
CS		 2666#ifndef PERL_FPU_PRE_EXEC
2667# define PERL_FPU_PRE_EXEC {
2668# define PERL_FPU_POST_EXEC }
2669#endif
c77b533b 2670
cbec8ebe
DM		 2671#ifndef PERL_SYS_INIT3_BODY
2672# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2673#endif
2674
cbec8ebe
DM		 2675#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2676#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2677#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2678
be708cc0
JH		 2679#ifndef PERL_WRITE_MSG_TO_CONSOLE
2680# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2681#endif
2682
0f31cffe
GS		 2683#ifndef MAXPATHLEN
2684# ifdef PATH_MAX
b990c8b2
JH		 2685# ifdef _POSIX_PATH_MAX
2686# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2687/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2688 * included the null byte or not. Later amendments of POSIX,
2689 * XPG4, the Austin Group, and the Single UNIX Specification
2690 * all explicitly include the null byte in the PATH_MAX.
2691 * Ditto for _POSIX_PATH_MAX. */
2692# define MAXPATHLEN PATH_MAX
b990c8b2 2693# else
09448d78 2694# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2695# endif
2696# else
2697# define MAXPATHLEN (PATH_MAX+1)
2698# endif
0f31cffe 2699# else
b990c8b2 2700# ifdef _POSIX_PATH_MAX
09448d78 2701# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2702# else
2703# define MAXPATHLEN 1024 /* Err on the large side. */
2704# endif
0f31cffe
GS		 2705# endif
2706#endif
2707
c80263a8
SH		 2708/* In case Configure was not used (we are using a "canned config"
2709 * such as Win32, or a cross-compilation setup, for example) try going
2710 * by the gcc major and minor versions. One useful URL is
2711 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2712 * but contrary to this information warn_unused_result seems
2713 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2714 * Also, when building extensions with an installed perl, this allows
2715 * the user to upgrade gcc and get the right attributes, rather than
2716 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2717 * Set these up now otherwise we get confused when some of the <*thread.h>
2718 * includes below indirectly pull in <perlio.h> (which needs to know if we
2719 * have HASATTRIBUTE_FORMAT).
2720 */
2721
4d7c7898 2722#ifndef PERL_MICRO
fc2007d4 2723#if defined __GNUC__ && !defined(__INTEL_COMPILER)
c80263a8
SH		 2724# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2725# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2726# if defined __MINGW32__
2727# define PRINTF_FORMAT_NULL_OK
2728# endif
c80263a8
SH		 2729# endif
2730# if __GNUC__ >= 3 /* 3.0 -> */
2731# define HASATTRIBUTE_MALLOC
2732# endif
2733# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2734# define HASATTRIBUTE_NONNULL
2735# endif
2736# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2737# define HASATTRIBUTE_NORETURN
2738# endif
2739# if __GNUC__ >= 3 /* gcc 3.0 -> */
2740# define HASATTRIBUTE_PURE
2741# endif
42bf5550 2742# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2743# define HASATTRIBUTE_UNUSED
2744# endif
d324fe49
AD		 2745# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2746# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2747# endif
c80263a8
SH		 2748# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2749# define HASATTRIBUTE_WARN_UNUSED_RESULT
2750# endif
2751#endif
4d7c7898 2752#endif /* #ifndef PERL_MICRO */
c80263a8 2753
3db8f154 2754/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2755 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2756 * this results in many functions being undeclared which bothers C++
2757 * May make sense to have threads after "*ish.h" anyway
2758 */
2759
3db8f154 2760#if defined(USE_ITHREADS)
2986a63f
JH		 2761# ifdef NETWARE
2762# include <nw5thread.h>
2763# else
32f822de
GS		 2764# ifdef FAKE_THREADS
2765# include "fakethr.h"
2766# else
2767# ifdef WIN32
2768# include <win32thread.h>
2769# else
dd96f567
IZ		 2770# ifdef OS2
2771# include "os2thread.h"
2772# else
7f3d1cf1 2773# ifdef I_MACH_CTHREADS
bdd66968 2774# include <mach/cthreads.h>
8f1f23e8 2775# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2776# define MUTEX_INIT_CALLS_MALLOC
2777# endif
7f3d1cf1
BH		 2778typedef cthread_t perl_os_thread;
2779typedef mutex_t perl_mutex;
2780typedef condition_t perl_cond;
2781typedef void * perl_key;
2782# else /* Posix threads */
1f5ae88c
JH		 2783# ifdef I_PTHREAD
2784# include <pthread.h>
2785# endif
7f3d1cf1
BH		 2786typedef pthread_t perl_os_thread;
2787typedef pthread_mutex_t perl_mutex;
2788typedef pthread_cond_t perl_cond;
2789typedef pthread_key_t perl_key;
2790# endif /* I_MACH_CTHREADS */
dd96f567 2791# endif /* OS2 */
32f822de
GS		 2792# endif /* WIN32 */
2793# endif /* FAKE_THREADS */
2986a63f 2794#endif /* NETWARE */
3db8f154 2795#endif /* USE_ITHREADS */
c5be433b 2796
66a93824 2797#if defined(WIN32)
1feb2720 2798# include "win32.h"
c5be433b
GS		 2799#endif
2800
2986a63f
JH		 2801#ifdef NETWARE
2802# include "netware.h"
2803#endif
2804
e5218da5 2805#define STATUS_UNIX PL_statusvalue
68dc0745 2806#ifdef VMS
6b88bc9c 2807# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2808/*
2809 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2810 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2811 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2812 * be updated also.
2813 */
2814# include <stsdef.h>
2815# include <ssdef.h>
2816/* Presume this because if VMS changes it, it will require a new
2817 * set of APIs for waiting on children for binary compatibility.
2818 */
2819# define child_offset_bits (8)
2820# ifndef C_FAC_POSIX
2821# define C_FAC_POSIX 0x35A000
2822# endif
2823
2824/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2825 * platform from the existing UNIX or Native status values.
2826 */
2827
37038d91 2828# define STATUS_EXIT \
7a7fd8e0
JM		 2829 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2830 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2831
7a7fd8e0 2832
fb38d079
JM		 2833/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2834 * exit code and shifts the UNIX value over the correct number of bits to
2835 * be a child status. Usually the number of bits is 8, but that could be
2836 * platform dependent. The NATIVE status code is presumed to have either
2837 * from a child process.
7a7fd8e0
JM		 2838 */
2839
fb38d079
JM		 2840/* This is complicated. The child processes return a true native VMS
2841 status which must be saved. But there is an assumption in Perl that
2842 the UNIX child status has some relationship to errno values, so
2843 Perl tries to translate it to text in some of the tests.
2844 In order to get the string translation correct, for the error, errno
2845 must be EVMSERR, but that generates a different text message
2846 than what the test programs are expecting. So an errno value must
2847 be derived from the native status value when an error occurs.
2848 That will hide the true native status message. With this version of
2849 perl, the true native child status can always be retrieved so that
2850 is not a problem. But in this case, Pl_statusvalue and errno may
2851 have different values in them.
2852 */
7a7fd8e0 2853
fb38d079 2854# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2855 STMT_START { \
2fbb330f
JM		 2856 I32 evalue = (I32)n; \
2857 if (evalue == EVMSERR) { \
2858 PL_statusvalue_vms = vaxc$errno; \
2859 PL_statusvalue = evalue; \
7a7fd8e0 2860 } else { \
2fbb330f 2861 PL_statusvalue_vms = evalue; \
fb38d079 2862 if (evalue == -1) { \
3280af22 2863 PL_statusvalue = -1; \
7a7fd8e0
JM		 2864 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2865 } else \
fb38d079 2866 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2867 set_vaxc_errno(evalue); \
fb38d079
JM		 2868 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2869 set_errno(EVMSERR); \
2870 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2871 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2872 } \
68dc0745 2873 } STMT_END
7a7fd8e0 2874
68dc0745 2875# ifdef VMSISH_STATUS
e5218da5 2876# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2877# else
e5218da5 2878# define STATUS_CURRENT STATUS_UNIX
68dc0745 2879# endif
7a7fd8e0
JM		 2880
2881 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2882 * the NATIVE status to an equivalent value. Can not be used to translate
2883 * exit code values as exit code values are not guaranteed to have any
2884 * relationship at all to errno values.
2885 * This is used when Perl is forcing errno to have a specific value.
2886 */
e5218da5 2887# define STATUS_UNIX_SET(n) \
68dc0745 2888 STMT_START { \
7a7fd8e0 2889 I32 evalue = (I32)n; \
0968cdad 2890 PL_statusvalue = evalue; \
3280af22 2891 if (PL_statusvalue != -1) { \
0968cdad
JM		 2892 if (PL_statusvalue != EVMSERR) { \
2893 PL_statusvalue &= 0xFFFF; \
2894 if (MY_POSIX_EXIT) \
2895 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2896 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2897 } \
2898 else { \
2899 PL_statusvalue_vms = vaxc$errno; \
2900 } \
68dc0745 2901 } \
0968cdad
JM		 2902 else PL_statusvalue_vms = SS$_ABORT; \
2903 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2904 } STMT_END
2905
2906 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2907 * the NATIVE error status based on it. It does not assume that
fb38d079
JM		 2908 * the UNIX/POSIX exit codes have any relationship to errno, except
2909 * that 0 indicates a success. When in the default mode to comply
6ac6a52b
JM		 2910 * with the Perl VMS documentation, any other code sets the NATIVE
2911 * status to a failure code of SS$_ABORT.
fb38d079
JM		 2912 *
2913 * In the new POSIX EXIT mode, native status will be set so that the
2914 * actual exit code will can be retrieved by the calling program or
2915 * shell.
2916 *
2917 * If the exit code is not clearly a UNIX parent or child exit status,
2918 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2919 */
2920
fb38d079 2921# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2922 STMT_START { \
2923 I32 evalue = (I32)n; \
2924 PL_statusvalue = evalue; \
fb38d079
JM		 2925 if (evalue != -1) { \
2926 if (evalue <= 0xFF00) { \
2927 if (evalue > 0xFF) \
2928 evalue = (evalue >> child_offset_bits) & 0xFF; \
2929 if (evalue == 0) \
2930 PL_statusvalue_vms == SS$_NORMAL; \
2931 else \
2932 if (MY_POSIX_EXIT) \
2933 PL_statusvalue_vms = \
2934 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2935 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
0968cdad 2936 else \
6ac6a52b 2937 PL_statusvalue_vms = SS$_ABORT; \
fb38d079
JM		 2938 } else { /* forgive them Perl, for they have sinned */ \
2939 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2940 else PL_statusvalue_vms = vaxc$errno; \
2941 /* And obviously used a VMS status value instead of UNIX */ \
2942 PL_statusvalue = EVMSERR; \
2943 } \
7a7fd8e0
JM		 2944 } \
2945 else PL_statusvalue_vms = SS$_ABORT; \
2946 set_vaxc_errno(PL_statusvalue_vms); \
68dc0745 2947 } STMT_END
fb38d079 2948
6ac6a52b
JM		 2949 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2950 * and sets the NATIVE error status based on it. This special case
2951 * is needed to maintain compatibility with past VMS behavior.
2952 *
2953 * In the default mode on VMS, this number is passed through as
2954 * both the NATIVE and UNIX status. Which makes it different
2955 * that the STATUS_UNIX_EXIT_SET.
2956 *
2957 * In the new POSIX EXIT mode, native status will be set so that the
2958 * actual exit code will can be retrieved by the calling program or
2959 * shell.
2960 *
2961 */
2962
2963# define STATUS_EXIT_SET(n) \
2964 STMT_START { \
2965 I32 evalue = (I32)n; \
2966 PL_statusvalue = evalue; \
2967 if (MY_POSIX_EXIT) \
2968 PL_statusvalue_vms = \
2969 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2970 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
6ac6a52b
JM		 2971 else \
2972 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2973 set_vaxc_errno(PL_statusvalue_vms); \
2974 } STMT_END
2975
fb38d079
JM		 2976
2977 /* This macro forces a success status */
7a7fd8e0
JM		 2978# define STATUS_ALL_SUCCESS \
2979 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 2980
2981 /* This macro forces a failure status */
7a7fd8e0
JM		 2982# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2983 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2984 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2985
68dc0745 2986#else
e5218da5 2987# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2988# if defined(WCOREDUMP)
37038d91 2989# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2990 STMT_START { \
2991 PL_statusvalue_posix = (n); \
2992 if (PL_statusvalue_posix == -1) \
2993 PL_statusvalue = -1; \
2994 else { \
2995 PL_statusvalue = \
2996 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2997 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2998 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2999 } \
3000 } STMT_END
3001# elif defined(WIFEXITED)
37038d91 3002# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3003 STMT_START { \
3004 PL_statusvalue_posix = (n); \
3005 if (PL_statusvalue_posix == -1) \
3006 PL_statusvalue = -1; \
3007 else { \
3008 PL_statusvalue = \
3009 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3010 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3011 } \
3012 } STMT_END
3013# else
37038d91 3014# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3015 STMT_START { \
3016 PL_statusvalue_posix = (n); \
3017 if (PL_statusvalue_posix == -1) \
3018 PL_statusvalue = -1; \
3019 else { \
3020 PL_statusvalue = \
3021 PL_statusvalue_posix & 0xFFFF; \
3022 } \
3023 } STMT_END
3024# endif
3025# define STATUS_UNIX_SET(n) \
68dc0745 3026 STMT_START { \
3280af22
NIS		 3027 PL_statusvalue = (n); \
3028 if (PL_statusvalue != -1) \
3029 PL_statusvalue &= 0xFFFF; \
68dc0745 3030 } STMT_END
7a7fd8e0 3031# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3032# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3033# define STATUS_CURRENT STATUS_UNIX
37038d91 3034# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3035# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3036# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3037#endif
3038
cc3604b1
GS		 3039/* flags in PL_exit_flags for nature of exit() */
3040#define PERL_EXIT_EXPECTED 0x01
31d77e54 3041#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3042
0b94c7bb 3043#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 3044# define MEMBER_TO_FPTR(name) name
3045#endif
3046
3047/* format to use for version numbers in file/directory names */
273cf8d1 3048/* XXX move to Configure? */
a7cb1f99 3049#ifndef PERL_FS_VER_FMT
273cf8d1 3050# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 3051#endif
3052
45bc9206 3053/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3054 * performance issue, so we allow people to disable it. Also, if
3055 * we are using stdio, there are broken implementations of fflush(NULL)
3056 * out there, Solaris being the most prominent.
45bc9206
GS		 3057 */
3058#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3059# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3060# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3061# else
3062# ifdef FFLUSH_ALL
3063# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3064# else
c5be433b 3065# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3066# endif
66fe083f 3067# endif
45bc9206
GS		 3068#endif
3069
7766f137
GS		 3070#ifndef PERL_WAIT_FOR_CHILDREN
3071# define PERL_WAIT_FOR_CHILDREN NOOP
3072#endif
3073
ba869deb 3074/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3075#ifndef PERL_SET_INTERP
3076# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3077#endif
3078
3079#ifndef PERL_GET_INTERP
3080# define PERL_GET_INTERP (PL_curinterp)
3081#endif
3082
54aff467 3083#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3084# ifdef MULTIPLICITY
ba869deb 3085# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3086# endif
ba869deb
GS		 3087# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3088#endif
3089
8896765a
RB		 3090/*
3091 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3092 All that is required is that the perl source does not
8896765a
RB		 3093 use "%-p" or "%-<number>p" or "%<number>p" formats.
3094 These formats will still work in perl code.
3095 See comments in sv.c for futher details.
3096
8896765a 3097 Robin Barker 2005-07-14
f46d31f2
RB		 3098
3099 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3100*/
8896765a
RB		 3101
3102#ifndef SVf_
63ce7bf0 3103# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3104#endif
3105
8896765a 3106#ifndef SVf
104abab4 3107# define SVf "-p"
d2560b70
RB		 3108#endif
3109
014ead4b 3110#ifndef SVf32
8896765a 3111# define SVf32 SVf_(32)
014ead4b
RB		 3112#endif
3113
3114#ifndef SVf256
8896765a
RB		 3115# define SVf256 SVf_(256)
3116#endif
3117
be2597df
MHM		 3118#define SVfARG(p) ((void*)(p))
3119
f46d31f2
RB		 3120#ifdef PERL_CORE
3121/* not used; but needed for backward compatibilty with XS code? - RMB */
3122# undef VDf
3123#else
3124# ifndef VDf
8896765a
RB		 3125# define VDf "vd"
3126# endif
014ead4b 3127#endif
170cd9e9
NC		 3128
3129#ifdef PERL_CORE
f5992bc4 3130/* not used; but needed for backward compatibilty with XS code? - RMB */
7776bb98
RB		 3131# undef UVf
3132#else
170cd9e9
NC		 3133# ifndef UVf
3134# define UVf UVuf
3135# endif
d2560b70
RB		 3136#endif
3137
0dbb1585
AL		 3138#ifdef HASATTRIBUTE_FORMAT
3139# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3140#endif
3141#ifdef HASATTRIBUTE_MALLOC
77785eea 3142# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3143#endif
0dbb1585 3144#ifdef HASATTRIBUTE_NONNULL
abb2c242 3145# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3146#endif
0dbb1585 3147#ifdef HASATTRIBUTE_NORETURN
abb2c242 3148# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3149#endif
0dbb1585 3150#ifdef HASATTRIBUTE_PURE
abb2c242 3151# define __attribute__pure__ __attribute__((pure))
f22be1b8 3152#endif
0dbb1585
AL		 3153#ifdef HASATTRIBUTE_UNUSED
3154# define __attribute__unused__ __attribute__((unused))
3155#endif
3156#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3157# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3158#endif
3159
0dbb1585
AL		 3160/* If we haven't defined the attributes yet, define them to blank. */
3161#ifndef __attribute__format__
3162# define __attribute__format__(x,y,z)
3163#endif
f22be1b8 3164#ifndef __attribute__malloc__
abb2c242 3165# define __attribute__malloc__
f22be1b8
JH		 3166#endif
3167#ifndef __attribute__nonnull__
abb2c242 3168# define __attribute__nonnull__(a)
f22be1b8
JH		 3169#endif
3170#ifndef __attribute__noreturn__
abb2c242 3171# define __attribute__noreturn__
f22be1b8
JH		 3172#endif
3173#ifndef __attribute__pure__
abb2c242 3174# define __attribute__pure__
f22be1b8 3175#endif
0dbb1585
AL		 3176#ifndef __attribute__unused__
3177# define __attribute__unused__
3178#endif
f22be1b8 3179#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3180# define __attribute__warn_unused_result__
3181#endif
3182
0dbb1585
AL		 3183/* For functions that are marked as __attribute__noreturn__, it's not
3184 appropriate to call return. In either case, include the lint directive.
3185 */
3186#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3187# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3188#else
b37c2d43 3189# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH		 3190#endif
3191
cdfeb707
RB		 3192/* Some OS warn on NULL format to printf */
3193#ifdef PRINTF_FORMAT_NULL_OK
3194# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3195#else
3196# define __attribute__format__null_ok__(x,y,z)
3197#endif
3198
635aebb7 3199#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3200# define EXPECT(expr,val) __builtin_expect(expr,val)
3201#else
3202# define EXPECT(expr,val) (expr)
3203#endif
3204#define LIKELY(cond) EXPECT(cond,1)
3205#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3206#ifdef HAS_BUILTIN_CHOOSE_EXPR
3207/* placeholder */
3208#endif
b37c2d43 3209
3fc1aec6 3210/* Some unistd.h's give a prototype for pause() even though
3211 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3212 below to be rejected by the compiler. Sigh.
3fc1aec6 3213*/
3214#ifdef HAS_PAUSE
3215#define Pause pause
3216#else
3217#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3218#endif
3219
3220#ifndef IOCPARM_LEN
3221# ifdef IOCPARM_MASK
61f1c44b 3222 /* on BSDish systems we're safe */
748a9306
LW		 3223# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3224# else
61f1c44b 3225# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3226 /* on Linux systems we're safe; except when we're not [perl #38223] */
3227# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3228# else
748a9306 3229 /* otherwise guess at what's safe */
61f1c44b
JVD		 3230# define IOCPARM_LEN(x) 256
3231# endif
748a9306 3232# endif
a0d0e21e
LW		 3233#endif
3234
1761cee5 3235#if defined(__CYGWIN__)
521e0776
GS		 3236/* USEMYBINMODE
3237 * This symbol, if defined, indicates that the program should
16fe6d59 3238 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3239 * that a file is in "binary" mode -- that is, that no translation
3240 * of bytes occurs on read or write operations.
3241 */
36894f0b 3242# define USEMYBINMODE /**/
77a40698 3243# include <io.h> /* for setmode() prototype */
16fe6d59 3244# define my_binmode(fp, iotype, mode) \
77a40698 3245 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3246#endif
3247
88d10794
JH		 3248#ifdef __CYGWIN__
3249void init_os_extras(void);
3250#endif
3251
cea2e8a9
GS		 3252#ifdef UNION_ANY_DEFINITION
3253UNION_ANY_DEFINITION;
3254#else
3255union any {
3256 void* any_ptr;
3257 I32 any_i32;
3258 IV any_iv;
3259 long any_long;
9febdf04 3260 bool any_bool;
c76ac1ee 3261 void (*any_dptr) (void*);
acfe0abc 3262 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3263};
3264#endif
3265
acfe0abc 3266typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3267
3268#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3269#define FILTER_DATA(idx) \
3270 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3271#define FILTER_ISREADER(idx) \
3272 (PL_parser && PL_parser->rsfp_filters \
3273 && idx >= AvFILLp(PL_parser->rsfp_filters))
3274#define PERL_FILTER_EXISTS(i) \
3275 (PL_parser && PL_parser->rsfp_filters \
3276 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3277
c5078cac
JH		 3278#if defined(_AIX) && !defined(_AIX43)
3279#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3280/* We cannot include <crypt.h> to get the struct crypt_data
3281 * because of setkey prototype problems when threading */
3282typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3283 /* From OSF, Not needed in AIX
3284 char C[28], D[28];
3285 */
3286 char E[48];
3287 char KS[16][48];
3288 char block[66];
3289 char iobuf[16];
3290} CRYPTD;
3291#endif /* threading */
3292#endif /* AIX */
3293
af8b425d 3294#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 3295# include "iperlsys.h"
3296#endif
504f80c1 3297
9c12f1e5
RGS		 3298#ifdef __LIBCATAMOUNT__
3299#undef HAS_PASSWD /* unixish.h but not unixish enough. */
3300#undef HAS_GROUP
3301#define FAKE_BIT_BUCKET
3302#endif
3303
d10dc2ae
JH		 3304/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3305 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3306 * defined by Configure, despite their names being similar to the
3307 * other defines like USE_ITHREADS. Configure in fact knows nothing
3308 * about the randomised hashes. Therefore to enable/disable the hash
3309 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3310#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3311# define USE_HASH_SEED
504f80c1
JH		 3312#endif
3313
598921a7
NC		 3314/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3315 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3316 * it's not really needed.
3317 */
3318#if defined(WIN32)
3319# define YYTOKENTYPE
3320#endif
3321#include "perly.h"
3322
3323#ifdef PERL_MAD
3324struct nexttoken {
3325 YYSTYPE next_val; /* value of next token, if any */
3326 I32 next_type; /* type of next token */
3327 MADPROP *next_mad; /* everything else about that token */
3328};
3329#endif
3330
79072805 3331#include "sv.h"
288b8c02 3332#include "regexp.h"
378cc40b 3333#include "util.h"
8d063cd8 3334#include "form.h"
79072805 3335#include "gv.h"
dd2155a4 3336#include "pad.h"
79072805 3337#include "cv.h"
abdd5c84 3338#include "opnames.h"
79072805 3339#include "op.h"
b3ca2e83 3340#include "hv.h"
79072805
LW		 3341#include "cop.h"
3342#include "av.h"
79072805
LW		 3343#include "mg.h"
3344#include "scope.h"
4438c4b7 3345#include "warnings.h"
a0ed51b3 3346#include "utf8.h"
8d063cd8 3347
20f4945e
MHM		 3348/* defined in sv.c, but also used in [ach]v.c */
3349#undef _XPV_ALLOCATED_HEAD
3350#undef _XPV_HEAD
3351#undef _XPVMG_HEAD
3352#undef _XPVCV_COMMON
7fae4e64
GS		 3353
3354typedef struct _sublex_info SUBLEXINFO;
3355struct _sublex_info {
651b5b28
NC		 3356 U8 super_state; /* lexer state to save */
3357 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3358 OP *sub_op; /* "lex_op" to use */
f06b5848
DM		 3359 char *super_bufptr; /* PL_parser->bufptr that was */
3360 char *super_bufend; /* PL_parser->bufend that was */
7fae4e64
GS		 3361};
3362
199e78b7
DM		 3363#include "parser.h"
3364
455ece5e 3365typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3366
2c2d71f5 3367struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3368struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3369
6f51351d
NC		 3370/* Keep next first in this structure, because sv_free_arenas take
3371 advantage of this to share code between the pte arenas and the SV
3372 body arenas */
5f7fde29
GS		 3373struct ptr_tbl_ent {
3374 struct ptr_tbl_ent* next;
53c1dcc0 3375 const void* oldval;
5f7fde29 3376 void* newval;
d18c6117
GS		 3377};
3378
5f7fde29
GS		 3379struct ptr_tbl {
3380 struct ptr_tbl_ent** tbl_ary;
3381 UV tbl_max;
3382 UV tbl_items;
d18c6117
GS		 3383};
3384
450a55e4 3385#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3386# define I286
3387#endif
3388
fe14fcc3
LW		 3389#if defined(htonl) && !defined(HAS_HTONL)
3390#define HAS_HTONL
ae986130 3391#endif
fe14fcc3
LW		 3392#if defined(htons) && !defined(HAS_HTONS)
3393#define HAS_HTONS
ae986130 3394#endif
fe14fcc3
LW		 3395#if defined(ntohl) && !defined(HAS_NTOHL)
3396#define HAS_NTOHL
ae986130 3397#endif
fe14fcc3
LW		 3398#if defined(ntohs) && !defined(HAS_NTOHS)
3399#define HAS_NTOHS
ae986130 3400#endif
fe14fcc3 3401#ifndef HAS_HTONL
d9d8d8de 3402#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3403#define HAS_HTONS
3404#define HAS_HTONL
3405#define HAS_NTOHS
3406#define HAS_NTOHL
a687059c
LW		 3407#define MYSWAP
3408#define htons my_swap
3409#define htonl my_htonl
3410#define ntohs my_swap
3411#define ntohl my_ntohl
3412#endif
3413#else
d9d8d8de 3414#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3415#undef HAS_HTONS
3416#undef HAS_HTONL
3417#undef HAS_NTOHS
3418#undef HAS_NTOHL
a687059c
LW		 3419#endif
3420#endif
3421
988174c1
LW		 3422/*
3423 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3424 * -DWS
3425 */
3426#if BYTEORDER != 0x1234
3427# define HAS_VTOHL
3428# define HAS_VTOHS
3429# define HAS_HTOVL
3430# define HAS_HTOVS
c67712b2 3431# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3432# define vtohl(x) ((((x)&0xFF)<<24) \
3433 +(((x)>>24)&0xFF) \
3434 +(((x)&0x0000FF00)<<8) \
3435 +(((x)&0x00FF0000)>>8) )
3436# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3437# define htovl(x) vtohl(x)
3438# define htovs(x) vtohs(x)
3439# endif
3440 /* otherwise default to functions in util.c */
2a8c3029 3441#ifndef htovs
c623ac67
GS		 3442short htovs(short n);
3443short vtohs(short n);
3444long htovl(long n);
3445long vtohl(long n);
988174c1 3446#endif
2a8c3029 3447#endif
988174c1 3448
3bb7c1b4
JH		 3449/* *MAX Plus 1. A floating point value.
3450 Hopefully expressed in a way that dodgy floating point can't mess up.
3451 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3452 is added to it
3453 May find that some broken compiler will want the value cast to I32.
3454 [after the shift, as signed >> may not be as secure as unsigned >>]
3455*/
3456#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3457#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3458/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3459 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3460 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3461*/
3462#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3463
3bb7c1b4
JH		 3464#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3465#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3466#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3467
3468/* This may look like unnecessary jumping through hoops, but converting
3469 out of range floating point values to integers *is* undefined behaviour,
3470 and it is starting to bite.
3471*/
3472#ifndef CAST_INLINE
65202027 3473#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3474#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3475#define I_V(what) (cast_iv((NV)(what)))
3476#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3477#else
3478#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3479 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3480 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3481#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3482 : ((n) < U32_MAX_P1 ? (U32) (n) \
3483 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3484#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3485 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3486 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3487#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3488 : ((n) < UV_MAX_P1 ? (UV) (n) \
3489 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3490#endif
3491
3492#define U_S(what) ((U16)U_32(what))
3493#define U_I(what) ((unsigned int)U_32(what))
3494#define U_L(what) U_32(what)
ed6116ce 3495
ed140128
AD		 3496#ifdef HAS_SIGNBIT
3497# define Perl_signbit signbit
3498#endif
3499
2d4389e4
JH		 3500/* These do not care about the fractional part, only about the range. */
3501#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3502#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3503
25da4f38
IZ		 3504/* Used with UV/IV arguments: */
3505 /* XXXX: need to speed it up */
3506#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3507#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3508
352d5a3a
LW		 3509#ifndef MAXSYSFD
3510# define MAXSYSFD 2
3511#endif
ee0007ab 3512
79072805 3513#ifndef __cplusplus
27da23d5 3514#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3515Uid_t getuid (void);
3516Uid_t geteuid (void);
3517Gid_t getgid (void);
3518Gid_t getegid (void);
79072805 3519#endif
e1caacb4 3520#endif
8d063cd8 3521
0c30d9ec 3522#ifndef Perl_debug_log
bf49b057
GS		 3523# define Perl_debug_log PerlIO_stderr()
3524#endif
3525
3526#ifndef Perl_error_log
3527# define Perl_error_log (PL_stderrgv \
6b78add2 3528 && isGV(PL_stderrgv) \
01bb7c6d 3529 && GvIOp(PL_stderrgv) \
42de951c 3530 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3531 ? IoOFP(GvIOp(PL_stderrgv)) \
3532 : PerlIO_stderr())
0c30d9ec 3533#endif
3967c732 3534
aea4f609
DM		 3535
3536#define DEBUG_p_FLAG 0x00000001 /* 1 */
3537#define DEBUG_s_FLAG 0x00000002 /* 2 */
3538#define DEBUG_l_FLAG 0x00000004 /* 4 */
3539#define DEBUG_t_FLAG 0x00000008 /* 8 */
3540#define DEBUG_o_FLAG 0x00000010 /* 16 */
3541#define DEBUG_c_FLAG 0x00000020 /* 32 */
3542#define DEBUG_P_FLAG 0x00000040 /* 64 */
3543#define DEBUG_m_FLAG 0x00000080 /* 128 */
3544#define DEBUG_f_FLAG 0x00000100 /* 256 */
3545#define DEBUG_r_FLAG 0x00000200 /* 512 */
3546#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3547#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3548/* U is reserved for Unofficial, exploratory hacking */
3549#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3550#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3551#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3552#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3553#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3554#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3555#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3556#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3557#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3558#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3559#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3560#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3561#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3562
3563#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3564#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3565 that something was done? */
aea4f609 3566
bd16a5f0
IZ		 3567# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3568# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3569# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3570# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3571# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3572# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3573# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3574# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3575# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3576# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3577# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3578# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3579# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3580# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3581# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3582# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3583# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3584# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3585# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3586# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3587# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3588# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3589# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3590# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3591# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3592# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3593
3967c732 3594#ifdef DEBUGGING
aea4f609 3595
bd16a5f0
IZ		 3596# define DEBUG_p_TEST DEBUG_p_TEST_
3597# define DEBUG_s_TEST DEBUG_s_TEST_
3598# define DEBUG_l_TEST DEBUG_l_TEST_
3599# define DEBUG_t_TEST DEBUG_t_TEST_
3600# define DEBUG_o_TEST DEBUG_o_TEST_
3601# define DEBUG_c_TEST DEBUG_c_TEST_
3602# define DEBUG_P_TEST DEBUG_P_TEST_
3603# define DEBUG_m_TEST DEBUG_m_TEST_
3604# define DEBUG_f_TEST DEBUG_f_TEST_
3605# define DEBUG_r_TEST DEBUG_r_TEST_
3606# define DEBUG_x_TEST DEBUG_x_TEST_
3607# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3608# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3609# define DEBUG_H_TEST DEBUG_H_TEST_
3610# define DEBUG_X_TEST DEBUG_X_TEST_
3611# define DEBUG_D_TEST DEBUG_D_TEST_
3612# define DEBUG_S_TEST DEBUG_S_TEST_
3613# define DEBUG_T_TEST DEBUG_T_TEST_
3614# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3615# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3616# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3617# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3618# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3619# define DEBUG_q_TEST DEBUG_q_TEST_
7949c6f5
JC		 3620# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3621# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
aea4f609 3622
488b0c7a
JH		 3623# define PERL_DEB(a) a
3624# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3625# define DEBUG_p(a) if (DEBUG_p_TEST) a
3626# define DEBUG_s(a) if (DEBUG_s_TEST) a
3627# define DEBUG_l(a) if (DEBUG_l_TEST) a
3628# define DEBUG_t(a) if (DEBUG_t_TEST) a
3629# define DEBUG_o(a) if (DEBUG_o_TEST) a
3630# define DEBUG_c(a) if (DEBUG_c_TEST) a
3631# define DEBUG_P(a) if (DEBUG_P_TEST) a
3632
969058bb
VK		 3633 /* Temporarily turn off memory debugging in case the a
3634 * does memory allocation, either directly or indirectly. */
acfe0abc 3635# define DEBUG_m(a) \
0b250b9e 3636 STMT_START { \
aea4f609 3637 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3638 } STMT_END
aea4f609 3639
5f80b19c
AMS		 3640# define DEBUG__(t, a) \
3641 STMT_START { \
3642 if (t) STMT_START {a;} STMT_END; \
3643 } STMT_END
3644
3645# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3646#ifndef PERL_EXT_RE_BUILD
5f80b19c 3647# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3648#else
3649# define DEBUG_r(a) STMT_START {a;} STMT_END
3650#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3651# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3652# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3653# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3654# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3655# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3656# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3657# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3658# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
aea4f609 3659
3db8f154 3660# define DEBUG_S(a)
aea4f609 3661
5f80b19c
AMS		 3662# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3663# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3664# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3665# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3666# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3667# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 3668
3669#else /* DEBUGGING */
3670
3671# define DEBUG_p_TEST (0)
3672# define DEBUG_s_TEST (0)
3673# define DEBUG_l_TEST (0)
3674# define DEBUG_t_TEST (0)
3675# define DEBUG_o_TEST (0)
3676# define DEBUG_c_TEST (0)
3677# define DEBUG_P_TEST (0)
3678# define DEBUG_m_TEST (0)
3679# define DEBUG_f_TEST (0)
3680# define DEBUG_r_TEST (0)
3681# define DEBUG_x_TEST (0)
3682# define DEBUG_u_TEST (0)
88d2d28a 3683# define DEBUG_U_TEST (0)
aea4f609
DM		 3684# define DEBUG_H_TEST (0)
3685# define DEBUG_X_TEST (0)
3686# define DEBUG_D_TEST (0)
3687# define DEBUG_S_TEST (0)
3688# define DEBUG_T_TEST (0)
04932ac8 3689# define DEBUG_R_TEST (0)
1045810a 3690# define DEBUG_J_TEST (0)
d6721266 3691# define DEBUG_v_TEST (0)
46187eeb 3692# define DEBUG_C_TEST (0)
ecae49c0
NC		 3693# define DEBUG_A_TEST (0)
3694# define DEBUG_q_TEST (0)
7949c6f5
JC		 3695# define DEBUG_Xv_TEST (0)
3696# define DEBUG_Uv_TEST (0)
aea4f609 3697
488b0c7a
JH		 3698# define PERL_DEB(a)
3699# define PERL_DEBUG(a)
aea4f609
DM		 3700# define DEBUG_p(a)
3701# define DEBUG_s(a)
3702# define DEBUG_l(a)
3703# define DEBUG_t(a)
3704# define DEBUG_o(a)
3705# define DEBUG_c(a)
3706# define DEBUG_P(a)
3707# define DEBUG_m(a)
3708# define DEBUG_f(a)
3709# define DEBUG_r(a)
3710# define DEBUG_x(a)
3711# define DEBUG_u(a)
88d2d28a 3712# define DEBUG_U(a)
aea4f609
DM		 3713# define DEBUG_H(a)
3714# define DEBUG_X(a)
3715# define DEBUG_D(a)
3716# define DEBUG_S(a)
3717# define DEBUG_T(a)
04932ac8 3718# define DEBUG_R(a)
d6721266 3719# define DEBUG_v(a)
46187eeb 3720# define DEBUG_C(a)
ecae49c0
NC		 3721# define DEBUG_A(a)
3722# define DEBUG_q(a)
7949c6f5
JC		 3723# define DEBUG_Xv(a)
3724# define DEBUG_Uv(a)
aea4f609
DM		 3725#endif /* DEBUGGING */
3726
3727
b4ab917c
DM		 3728#define DEBUG_SCOPE(where) \
3729 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3730 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM		 3731
3732
3733
3734
d1be9408 3735/* These constants should be used in preference to raw characters
14befaf4
DM		 3736 * when using magic. Note that some perl guts still assume
3737 * certain character properties of these constants, namely that
3738 * isUPPER() and toLOWER() may do useful mappings.
3739 *
3740 * Update the magic_names table in dump.c when adding/amending these
3741 */
3742
3743#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3744#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3745#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3746#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3747#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3748#define PERL_MAGIC_regdata 'D' /* Regex match position data
3749 (@+ and @- vars) */
3750#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3751#define PERL_MAGIC_env 'E' /* %ENV hash */
3752#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3753#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3754#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
b3ca2e83
NC		 3755#define PERL_MAGIC_hints 'H' /* %^H hash */
3756#define PERL_MAGIC_hintselem 'h' /* %^H hash element */
14befaf4
DM		 3757#define PERL_MAGIC_isa 'I' /* @ISA array */
3758#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3759#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3760#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3761#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3762#define PERL_MAGIC_shared 'N' /* Shared between threads */
3763#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3764#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3765#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3766#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3767#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3768#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3769#define PERL_MAGIC_sig 'S' /* %SIG hash */
3770#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3771#define PERL_MAGIC_taint 't' /* Taintedness */
3772#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3773#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3774#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3775#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3776#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3777#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3778#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3779 smart parameter vivification */
14befaf4
DM		 3780#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3781#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3782#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3783#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3784#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3785#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM		 3786#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3787
de84dc04
NC		 3788#if defined(DEBUGGING) && defined(I_ASSERT)
3789# include <assert.h>
3790#endif
3791
3792/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3793 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3794
de84dc04 3795#define Perl_assert(what) PERL_DEB( \
2b057284 3796 ((what) ? ((void) 0) : \
67eb4d30 3797 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3798 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3799 (void) 0)))
de84dc04
NC		 3800
3801#ifndef assert
3802# define assert(what) Perl_assert(what)
a446a88f 3803#endif
8d063cd8 3804
450a55e4 3805struct ufuncs {
24f81a43
DM		 3806 I32 (*uf_val)(pTHX_ IV, SV*);
3807 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3808 IV uf_index;
450a55e4
LW		 3809};
3810
14befaf4 3811/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3812 * XS code wanting to be backward compatible can do something
3813 * like the following:
c745e42c 3814
24f81a43 3815#ifndef PERL_MG_UFUNC
24f81a43
DM		 3816#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3817#endif
3818
3819static PERL_MG_UFUNC(foo_get, index, val)
3820{
3821 sv_setsv(val, ...);
3822 return TRUE;
3823}
3824
3825-- Doug MacEachern
3826
3827*/
3828
fc9c74e6 3829#ifndef PERL_MG_UFUNC
24f81a43 3830#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3831#endif
24f81a43 3832
fe14fcc3 3833/* Fix these up for __STDC__ */
68dc0745 3834#ifndef DONT_DECLARE_STD
20ce7b12 3835char *mktemp (char*);
37bd1396 3836#ifndef atof
20ce7b12 3837double atof (const char*);
a0d0e21e 3838#endif
37bd1396 3839#endif
79072805 3840
352d5a3a 3841#ifndef STANDARD_C
fe14fcc3 3842/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3843Time_t time();
8d063cd8 3844struct tm *gmtime(), *localtime();
092bebab 3845#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3846char *(strchr)(), *(strrchr)();
3847char *(strcpy)(), *(strcat)();
3848#else
93a17b20 3849char *strchr(), *strrchr();
378cc40b 3850char *strcpy(), *strcat();
9d116dd7 3851#endif
352d5a3a 3852#endif /* ! STANDARD_C */
8d063cd8 3853
79072805
LW		 3854
3855#ifdef I_MATH
3856# include <math.h>
3857#else
32f822de 3858START_EXTERN_C
20ce7b12
GS		 3859 double exp (double);
3860 double log (double);
3861 double log10 (double);
3862 double sqrt (double);
3863 double frexp (double,int*);
3864 double ldexp (double,int);
3865 double modf (double,double*);
3866 double sin (double);
3867 double cos (double);
3868 double atan2 (double,double);
3869 double pow (double,double);
32f822de 3870END_EXTERN_C
79072805
LW		 3871#endif
3872
aa8b85de
JH		 3873#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3874# define NV_INF LDBL_INFINITY
3875#endif
3876#if !defined(NV_INF) && defined(DBL_INFINITY)
3877# define NV_INF (NV)DBL_INFINITY
3878#endif
3879#if !defined(NV_INF) && defined(INFINITY)
3880# define NV_INF (NV)INFINITY
3881#endif
3882#if !defined(NV_INF) && defined(INF)
3883# define NV_INF (NV)INF
3884#endif
3885#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3886# define NV_INF (NV)HUGE_VALL
3887#endif
3888#if !defined(NV_INF) && defined(HUGE_VAL)
3889# define NV_INF (NV)HUGE_VAL
3890#endif
3891
3892#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3893# if !defined(NV_NAN) && defined(LDBL_NAN)
3894# define NV_NAN LDBL_NAN
3895# endif
3896# if !defined(NV_NAN) && defined(LDBL_QNAN)
3897# define NV_NAN LDBL_QNAN
3898# endif
3899# if !defined(NV_NAN) && defined(LDBL_SNAN)
3900# define NV_NAN LDBL_SNAN
3901# endif
3902#endif
3903#if !defined(NV_NAN) && defined(DBL_NAN)
3904# define NV_NAN (NV)DBL_NAN
3905#endif
3906#if !defined(NV_NAN) && defined(DBL_QNAN)
3907# define NV_NAN (NV)DBL_QNAN
3908#endif
3909#if !defined(NV_NAN) && defined(DBL_SNAN)
3910# define NV_NAN (NV)DBL_SNAN
3911#endif
3912#if !defined(NV_NAN) && defined(QNAN)
3913# define NV_NAN (NV)QNAN
3914#endif
3915#if !defined(NV_NAN) && defined(SNAN)
3916# define NV_NAN (NV)SNAN
3917#endif
3918#if !defined(NV_NAN) && defined(NAN)
3919# define NV_NAN (NV)NAN
3920#endif
3921
a0d0e21e 3922#ifndef __cplusplus
8f1f23e8 3923# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3924char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3925# else
fd8cd3a3 3926# if !defined(WIN32) && !defined(VMS)
10bc17b6 3927#ifndef crypt
20ce7b12 3928char *crypt (const char*, const char*);
10bc17b6 3929#endif
5014db98 3930# endif /* !WIN32 */
8f1f23e8 3931# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3932# ifndef DONT_DECLARE_STD
3933# ifndef getenv
20ce7b12 3934char *getenv (const char*);
26618a56 3935# endif /* !getenv */
28ca6303 3936# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3937# ifdef _FILE_OFFSET_BITS
28ca6303 3938# if _FILE_OFFSET_BITS == 64
20ce7b12 3939Off_t lseek (int,Off_t,int);
0fc67700
JH		 3940# endif
3941# endif
bf0c440f 3942# endif
26618a56 3943# endif /* !DONT_DECLARE_STD */
10bc17b6 3944#ifndef getlogin
20ce7b12 3945char *getlogin (void);
10bc17b6 3946#endif
26618a56 3947#endif /* !__cplusplus */
79072805 3948
7a7fd8e0
JM		 3949/* Fixme on VMS. This needs to be a run-time, not build time options */
3950/* Also rename() is affected by this */
16d20bd9 3951#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3952#define UNLINK unlnk
083639a9 3953I32 unlnk (pTHX_ const char*);
8d063cd8 3954#else
80252599 3955#define UNLINK PerlLIO_unlink
8d063cd8 3956#endif
a687059c 3957
fa0a29af
JH		 3958/* some versions of glibc are missing the setresuid() proto */
3959#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3960int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3961#endif
fa0a29af
JH		 3962/* some versions of glibc are missing the setresgid() proto */
3963#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3964int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3965#endif
3966
fe14fcc3 3967#ifndef HAS_SETREUID
85e6fe83
LW		 3968# ifdef HAS_SETRESUID
3969# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3970# define HAS_SETREUID
3971# endif
a687059c 3972#endif
fe14fcc3 3973#ifndef HAS_SETREGID
85e6fe83
LW		 3974# ifdef HAS_SETRESGID
3975# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3976# define HAS_SETREGID
3977# endif
a687059c 3978#endif
ee0007ab 3979
d543acb6 3980/* Sighandler_t defined in iperlsys.h */
ff68c719 3981
3982#ifdef HAS_SIGACTION
3983typedef struct sigaction Sigsave_t;
3984#else
3985typedef Sighandler_t Sigsave_t;
3986#endif
3987
ee0007ab
LW		 3988#define SCAN_DEF 0
3989#define SCAN_TR 1
3990#define SCAN_REPL 2
79072805
LW		 3991
3992#ifdef DEBUGGING
4633a7c4 3993# ifndef register
a0d0e21e
LW		 3994# define register
3995# endif
cea2e8a9 3996# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3997#else
cea2e8a9 3998# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 3999#endif
4000
6cb8cb21 4001#ifdef USE_PERLIO
77db880c 4002EXTERN_C void PerlIO_teardown();
2f44961c 4003# ifdef USE_ITHREADS
6cb8cb21
RGS		 4004# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4005# define PERLIO_TERM \
4006 STMT_START { \
d0820ef1 4007 PerlIO_teardown(); \
6cb8cb21
RGS		 4008 MUTEX_DESTROY(&PL_perlio_mutex);\
4009 } STMT_END
4010# else
4011# define PERLIO_INIT
d0820ef1 4012# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 4013# endif
6b29934b
NC		 4014#else
4015# define PERLIO_INIT
4016# define PERLIO_TERM
6cb8cb21
RGS		 4017#endif
4018
18f739ee 4019#ifdef MYMALLOC
772fe5b3 4020# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 4021# define MALLOC_INIT \
4022 STMT_START { \
4023 PL_malloc_mutex = NULL; \
4024 MUTEX_INIT(&PL_malloc_mutex); \
4025 } STMT_END
4026# define MALLOC_TERM \
4027 STMT_START { \
4028 perl_mutex tmp = PL_malloc_mutex; \
4029 PL_malloc_mutex = NULL; \
4030 MUTEX_DESTROY(&tmp); \
4031 } STMT_END
4032# else
4033# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4034# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4035# endif
18f739ee
IZ		 4036#else
4037# define MALLOC_INIT
4038# define MALLOC_TERM
4039#endif
4040
cd1541b2 4041#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 4042
4043struct perl_memory_debug_header;
cd1541b2
NC		 4044struct perl_memory_debug_header {
4045 tTHX interpreter;
4046# ifdef PERL_POISON
4047 MEM_SIZE size;
cd1541b2 4048# endif
7cb608b5
NC		 4049 struct perl_memory_debug_header *prev;
4050 struct perl_memory_debug_header *next;
cd1541b2
NC		 4051};
4052
4053# define sTHX (sizeof(struct perl_memory_debug_header) + \
4054 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4055 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4056
4057#endif
4058
7cb608b5
NC		 4059#ifdef PERL_TRACK_MEMPOOL
4060# define INIT_TRACK_MEMPOOL(header, interp) \
4061 STMT_START { \
4062 (header).interpreter = (interp); \
4063 (header).prev = (header).next = &(header); \
4064 } STMT_END
4065# else
4066# define INIT_TRACK_MEMPOOL(header, interp)
4067#endif
4068
b6d9d515 4069
0cb96387 4070typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 4071typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 4072typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 4073typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
eba16661 4074typedef bool (CPERLscope(*destroyable_proc_t)) (pTHX_ SV *sv);
22c35a8c 4075
940cb80d 4076/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 4077#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 4078
8f1f23e8
W		 4079/* NeXT has problems with crt0.o globals */
4080#if defined(__DYNAMIC__) && \
6239f2da 4081 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 4082# if defined(NeXT) || defined(__NeXT)
4083# include <mach-o/dyld.h>
4084# define environ (*environ_pointer)
0c30d9ec 4085EXT char *** environ_pointer;
8f1f23e8 4086# else
6239f2da 4087# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 4088# include <crt_externs.h> /* for the env array */
4089# define environ (*_NSGetEnviron())
4090# endif
0c30d9ec 4091# endif
8f1f23e8
W		 4092#else
4093 /* VMS and some other platforms don't use the environ array */
13b6e58c 4094# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 4095# if !defined(DONT_DECLARE_STD) || \
4096 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
4097 defined(__sgi) || \
d460ef45 4098 defined(__DGUX)
8f1f23e8 4099extern char ** environ; /* environment variables supplied via exec */
a6c40364 4100# endif
8f1f23e8
W		 4101# endif
4102#endif
79072805 4103
73c4f7a1
GS		 4104START_EXTERN_C
4105
79072805 4106/* handy constants */
22c35a8c 4107EXTCONST char PL_warn_uninit[]
29489e7c 4108 INIT("Use of uninitialized value%s%s%s");
22c35a8c 4109EXTCONST char PL_warn_nosemi[]
463ee0b2 4110 INIT("Semicolon seems to be missing");
22c35a8c 4111EXTCONST char PL_warn_reserved[]
463ee0b2 4112 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4113EXTCONST char PL_warn_nl[]
93a17b20 4114 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4115EXTCONST char PL_no_wrongref[]
a0d0e21e 4116 INIT("Can't use %s ref as %s ref");
22c35a8c 4117EXTCONST char PL_no_symref[]
748a9306 4118 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 4119EXTCONST char PL_no_symref_sv[]
014ead4b 4120 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 4121EXTCONST char PL_no_usym[]
8990e307 4122 INIT("Can't use an undefined value as %s reference");
22c35a8c 4123EXTCONST char PL_no_aelem[]
93a17b20 4124 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4125EXTCONST char PL_no_helem_sv[]
d04ff51e 4126 INIT("Modification of non-creatable hash value attempted, subscript \"%"SVf"\"");
22c35a8c 4127EXTCONST char PL_no_modify[]
93a17b20 4128 INIT("Modification of a read-only value attempted");
22c35a8c 4129EXTCONST char PL_no_mem[]
93a17b20 4130 INIT("Out of memory!\n");
22c35a8c 4131EXTCONST char PL_no_security[]
463ee0b2 4132 INIT("Insecure dependency in %s%s");
22c35a8c 4133EXTCONST char PL_no_sock_func[]
93a17b20 4134 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4135EXTCONST char PL_no_dir_func[]
93a17b20 4136 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4137EXTCONST char PL_no_func[]
93a17b20 4138 INIT("The %s function is unimplemented");
22c35a8c 4139EXTCONST char PL_no_myglob[]
952306ac 4140 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 4141EXTCONST char PL_no_localize_ref[]
4142 INIT("Can't localize through a reference");
27d5b266
JH		 4143EXTCONST char PL_memory_wrap[]
4144 INIT("panic: memory wrap");
93a17b20 4145
618b9757
NC		 4146#ifdef CSH
4147EXTCONST char PL_cshname[]
4148 INIT(CSH);
4149# define PL_cshlen (sizeof(CSH "") - 1)
4150#endif
4151
7575fa06 4152EXTCONST char PL_uuemap[65]
80252599
GS		 4153 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4154
79072805 4155#ifdef DOINIT
9444d213
NC		 4156EXTCONST char PL_uudmap[256] =
4157#include "uudmap.h"
4158;
27da23d5
JH		 4159EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4160EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4161#else
9444d213 4162EXTCONST char PL_uudmap[256];
27da23d5
JH		 4163EXTCONST char* const PL_sig_name[];
4164EXTCONST int PL_sig_num[];
79072805
LW		 4165#endif
4166
3bd709b1 4167/* fast conversion and case folding tables */
bbce6d69 4168
79072805 4169#ifdef DOINIT
9d116dd7 4170#ifdef EBCDIC
27da23d5 4171EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 4172 0, 1, 2, 3, 4, 5, 6, 7,
4173 8, 9, 10, 11, 12, 13, 14, 15,
4174 16, 17, 18, 19, 20, 21, 22, 23,
4175 24, 25, 26, 27, 28, 29, 30, 31,
4176 32, 33, 34, 35, 36, 37, 38, 39,
4177 40, 41, 42, 43, 44, 45, 46, 47,
4178 48, 49, 50, 51, 52, 53, 54, 55,
4179 56, 57, 58, 59, 60, 61, 62, 63,
4180 64, 65, 66, 67, 68, 69, 70, 71,
4181 72, 73, 74, 75, 76, 77, 78, 79,
4182 80, 81, 82, 83, 84, 85, 86, 87,
4183 88, 89, 90, 91, 92, 93, 94, 95,
4184 96, 97, 98, 99, 100, 101, 102, 103,
4185 104, 105, 106, 107, 108, 109, 110, 111,
4186 112, 113, 114, 115, 116, 117, 118, 119,
4187 120, 121, 122, 123, 124, 125, 126, 127,
4188 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4189 'H', 'I', 138, 139, 140, 141, 142, 143,
4190 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
4191 'Q', 'R', 154, 155, 156, 157, 158, 159,
4192 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
4193 'Y', 'Z', 170, 171, 172, 173, 174, 175,
4194 176, 177, 178, 179, 180, 181, 182, 183,
4195 184, 185, 186, 187, 188, 189, 190, 191,
4196 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4197 'h', 'i', 202, 203, 204, 205, 206, 207,
4198 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
4199 'q', 'r', 218, 219, 220, 221, 222, 223,
4200 224, 225, 's', 't', 'u', 'v', 'w', 'x',
4201 'y', 'z', 234, 235, 236, 237, 238, 239,
4202 240, 241, 242, 243, 244, 245, 246, 247,
4203 248, 249, 250, 251, 252, 253, 254, 255
4204};
4205#else /* ascii rather than ebcdic */
22c35a8c 4206EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4207 0, 1, 2, 3, 4, 5, 6, 7,
4208 8, 9, 10, 11, 12, 13, 14, 15,
4209 16, 17, 18, 19, 20, 21, 22, 23,
4210 24, 25, 26, 27, 28, 29, 30, 31,
4211 32, 33, 34, 35, 36, 37, 38, 39,
4212 40, 41, 42, 43, 44, 45, 46, 47,
4213 48, 49, 50, 51, 52, 53, 54, 55,
4214 56, 57, 58, 59, 60, 61, 62, 63,
4215 64, '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', 91, 92, 93, 94, 95,
4219 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4220 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4221 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4222 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4223 128, 129, 130, 131, 132, 133, 134, 135,
4224 136, 137, 138, 139, 140, 141, 142, 143,
4225 144, 145, 146, 147, 148, 149, 150, 151,
4226 152, 153, 154, 155, 156, 157, 158, 159,
4227 160, 161, 162, 163, 164, 165, 166, 167,
4228 168, 169, 170, 171, 172, 173, 174, 175,
4229 176, 177, 178, 179, 180, 181, 182, 183,
4230 184, 185, 186, 187, 188, 189, 190, 191,
4231 192, 193, 194, 195, 196, 197, 198, 199,
4232 200, 201, 202, 203, 204, 205, 206, 207,
4233 208, 209, 210, 211, 212, 213, 214, 215,
4234 216, 217, 218, 219, 220, 221, 222, 223,
4235 224, 225, 226, 227, 228, 229, 230, 231,
4236 232, 233, 234, 235, 236, 237, 238, 239,
4237 240, 241, 242, 243, 244, 245, 246, 247,
4238 248, 249, 250, 251, 252, 253, 254, 255
4239};
9d116dd7 4240#endif /* !EBCDIC */
79072805 4241#else
22c35a8c 4242EXTCONST unsigned char PL_fold[];
79072805
LW		 4243#endif
4244
27da23d5 4245#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4246#ifdef DOINIT
27da23d5 4247EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4248 0, 1, 2, 3, 4, 5, 6, 7,
4249 8, 9, 10, 11, 12, 13, 14, 15,
4250 16, 17, 18, 19, 20, 21, 22, 23,
4251 24, 25, 26, 27, 28, 29, 30, 31,
4252 32, 33, 34, 35, 36, 37, 38, 39,
4253 40, 41, 42, 43, 44, 45, 46, 47,
4254 48, 49, 50, 51, 52, 53, 54, 55,
4255 56, 57, 58, 59, 60, 61, 62, 63,
4256 64, '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', 91, 92, 93, 94, 95,
4260 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4261 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4262 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4263 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4264 128, 129, 130, 131, 132, 133, 134, 135,
4265 136, 137, 138, 139, 140, 141, 142, 143,
4266 144, 145, 146, 147, 148, 149, 150, 151,
4267 152, 153, 154, 155, 156, 157, 158, 159,
4268 160, 161, 162, 163, 164, 165, 166, 167,
4269 168, 169, 170, 171, 172, 173, 174, 175,
4270 176, 177, 178, 179, 180, 181, 182, 183,
4271 184, 185, 186, 187, 188, 189, 190, 191,
4272 192, 193, 194, 195, 196, 197, 198, 199,
4273 200, 201, 202, 203, 204, 205, 206, 207,
4274 208, 209, 210, 211, 212, 213, 214, 215,
4275 216, 217, 218, 219, 220, 221, 222, 223,
4276 224, 225, 226, 227, 228, 229, 230, 231,
4277 232, 233, 234, 235, 236, 237, 238, 239,
4278 240, 241, 242, 243, 244, 245, 246, 247,
4279 248, 249, 250, 251, 252, 253, 254, 255
4280};
4281#else
27da23d5 4282EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4283#endif
27da23d5 4284#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4285
4286#ifdef DOINIT
9d116dd7 4287#ifdef EBCDIC
27da23d5 4288EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4289 1, 2, 84, 151, 154, 155, 156, 157,
4290 165, 246, 250, 3, 158, 7, 18, 29,
4291 40, 51, 62, 73, 85, 96, 107, 118,
4292 129, 140, 147, 148, 149, 150, 152, 153,
4293 255, 6, 8, 9, 10, 11, 12, 13,
4294 14, 15, 24, 25, 26, 27, 28, 226,
4295 29, 30, 31, 32, 33, 43, 44, 45,
4296 46, 47, 48, 49, 50, 76, 77, 78,
4297 79, 80, 81, 82, 83, 84, 85, 86,
4298 87, 94, 95, 234, 181, 233, 187, 190,
4299 180, 96, 97, 98, 99, 100, 101, 102,
4300 104, 112, 182, 174, 236, 232, 229, 103,
4301 228, 226, 114, 115, 116, 117, 118, 119,
4302 120, 121, 122, 235, 176, 230, 194, 162,
4303 130, 131, 132, 133, 134, 135, 136, 137,
4304 138, 139, 201, 205, 163, 217, 220, 224,
4305 5, 248, 227, 244, 242, 255, 241, 231,
4306 240, 253, 16, 197, 19, 20, 21, 187,
4307 23, 169, 210, 245, 237, 249, 247, 239,
4308 168, 252, 34, 196, 36, 37, 38, 39,
4309 41, 42, 251, 254, 238, 223, 221, 213,
4310 225, 177, 52, 53, 54, 55, 56, 57,
4311 58, 59, 60, 61, 63, 64, 65, 66,
4312 67, 68, 69, 70, 71, 72, 74, 75,
4313 205, 208, 186, 202, 200, 218, 198, 179,
4314 178, 214, 88, 89, 90, 91, 92, 93,
4315 217, 166, 170, 207, 199, 209, 206, 204,
4316 160, 212, 105, 106, 108, 109, 110, 111,
4317 203, 113, 216, 215, 192, 175, 193, 243,
4318 172, 161, 123, 124, 125, 126, 127, 128,
4319 222, 219, 211, 195, 188, 193, 185, 184,
4320 191, 183, 141, 142, 143, 144, 145, 146
4321};
4322#else /* ascii rather than ebcdic */
22c35a8c 4323EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4324 1, 2, 84, 151, 154, 155, 156, 157,
4325 165, 246, 250, 3, 158, 7, 18, 29,
4326 40, 51, 62, 73, 85, 96, 107, 118,
4327 129, 140, 147, 148, 149, 150, 152, 153,
4328 255, 182, 224, 205, 174, 176, 180, 217,
4329 233, 232, 236, 187, 235, 228, 234, 226,
4330 222, 219, 211, 195, 188, 193, 185, 184,
4331 191, 183, 201, 229, 181, 220, 194, 162,
4332 163, 208, 186, 202, 200, 218, 198, 179,
4333 178, 214, 166, 170, 207, 199, 209, 206,
4334 204, 160, 212, 216, 215, 192, 175, 173,
4335 243, 172, 161, 190, 203, 189, 164, 230,
4336 167, 248, 227, 244, 242, 255, 241, 231,
4337 240, 253, 169, 210, 245, 237, 249, 247,
4338 239, 168, 252, 251, 254, 238, 223, 221,
4339 213, 225, 177, 197, 171, 196, 159, 4,
4340 5, 6, 8, 9, 10, 11, 12, 13,
4341 14, 15, 16, 17, 19, 20, 21, 22,
4342 23, 24, 25, 26, 27, 28, 30, 31,
4343 32, 33, 34, 35, 36, 37, 38, 39,
4344 41, 42, 43, 44, 45, 46, 47, 48,
4345 49, 50, 52, 53, 54, 55, 56, 57,
4346 58, 59, 60, 61, 63, 64, 65, 66,
4347 67, 68, 69, 70, 71, 72, 74, 75,
4348 76, 77, 78, 79, 80, 81, 82, 83,
4349 86, 87, 88, 89, 90, 91, 92, 93,
4350 94, 95, 97, 98, 99, 100, 101, 102,
4351 103, 104, 105, 106, 108, 109, 110, 111,
4352 112, 113, 114, 115, 116, 117, 119, 120,
4353 121, 122, 123, 124, 125, 126, 127, 128,
4354 130, 131, 132, 133, 134, 135, 136, 137,
4355 138, 139, 141, 142, 143, 144, 145, 146
4356};
9d116dd7 4357#endif
79072805 4358#else
22c35a8c 4359EXTCONST unsigned char PL_freq[];
79072805
LW		 4360#endif
4361
8990e307
LW		 4362#ifdef DEBUGGING
4363#ifdef DOINIT
27da23d5 4364EXTCONST char* const PL_block_type[] = {
8990e307
LW		 4365 "NULL",
4366 "SUB",
4367 "EVAL",
4368 "LOOP",
4369 "SUBST",
4370 "BLOCK",
0d863452
RH		 4371 "FORMAT",
4372 "GIVEN",
4373 "WHEN"
8990e307
LW		 4374};
4375#else
22c35a8c 4376EXTCONST char* PL_block_type[];
8990e307
LW		 4377#endif
4378#endif
4379
b75885fd
NC		 4380/* These are all the compile time options that affect binary compatibility.
4381 Other compile time options that are binary compatible are in perl.c
4382 Both are combined for the output of perl -V
4383 However, this string will be embedded in any shared perl library, which will
4384 allow us add a comparison check in perlmain.c in the near future. */
4385#ifdef DOINIT
4386EXTCONST char PL_bincompat_options[] =
4387# ifdef DEBUG_LEAKING_SCALARS
4388 " DEBUG_LEAKING_SCALARS"
4389# endif
4390# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4391 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4392# endif
4393# ifdef FAKE_THREADS
4394 " FAKE_THREADS"
4395# endif
4396# ifdef MULTIPLICITY
4397 " MULTIPLICITY"
4398# endif
4399# ifdef MYMALLOC
4400 " MYMALLOC"
4401# endif
4402# ifdef PERL_DEBUG_READONLY_OPS
4403 " PERL_DEBUG_READONLY_OPS"
4404# endif
4405# ifdef PERL_GLOBAL_STRUCT
4406 " PERL_GLOBAL_STRUCT"
4407# endif
4408# ifdef PERL_IMPLICIT_CONTEXT
4409 " PERL_IMPLICIT_CONTEXT"
4410# endif
4411# ifdef PERL_IMPLICIT_SYS
4412 " PERL_IMPLICIT_SYS"
4413# endif
4414# ifdef PERL_MAD
4415 " PERL_MAD"
4416# endif
4417# ifdef PERL_NEED_APPCTX
4418 " PERL_NEED_APPCTX"
4419# endif
4420# ifdef PERL_NEED_TIMESBASE
4421 " PERL_NEED_TIMESBASE"
4422# endif
4423# ifdef PERL_OLD_COPY_ON_WRITE
4424 " PERL_OLD_COPY_ON_WRITE"
4425# endif
4426# ifdef PERL_POISON
4427 " PERL_POISON"
4428# endif
4429# ifdef PERL_TRACK_MEMPOOL
4430 " PERL_TRACK_MEMPOOL"
4431# endif
4432# ifdef PERL_USES_PL_PIDSTATUS
4433 " PERL_USES_PL_PIDSTATUS"
4434# endif
4435# ifdef PL_OP_SLAB_ALLOC
4436 " PL_OP_SLAB_ALLOC"
4437# endif
4438# ifdef THREADS_HAVE_PIDS
4439 " THREADS_HAVE_PIDS"
4440# endif
4441# ifdef USE_64_BIT_ALL
4442 " USE_64_BIT_ALL"
4443# endif
4444# ifdef USE_64_BIT_INT
4445 " USE_64_BIT_INT"
4446# endif
c7b392fa
NC		 4447# ifdef USE_IEEE
4448 " USE_IEEE"
4449# endif
b75885fd
NC		 4450# ifdef USE_ITHREADS
4451 " USE_ITHREADS"
4452# endif
4453# ifdef USE_LARGE_FILES
4454 " USE_LARGE_FILES"
4455# endif
4456# ifdef USE_LONG_DOUBLE
4457 " USE_LONG_DOUBLE"
4458# endif
4459# ifdef USE_PERLIO
4460 " USE_PERLIO"
4461# endif
4462# ifdef USE_REENTRANT_API
4463 " USE_REENTRANT_API"
4464# endif
4465# ifdef USE_SFIO
4466 " USE_SFIO"
4467# endif
4468# ifdef USE_SOCKS
4469 " USE_SOCKS"
4470# endif
4f575702
CB		 4471# ifdef VMS_DO_SOCKETS
4472 " VMS_DO_SOCKETS"
4473# ifdef DECCRTL_SOCKETS
4474 " DECCRTL_SOCKETS"
4475# endif
4476# endif
4477# ifdef VMS_WE_ARE_CASE_SENSITIVE
4478 " VMS_SYMBOL_CASE_AS_IS"
4479# endif
a68dd89e 4480 "";
b75885fd
NC		 4481#else
4482EXTCONST char PL_bincompat_options[];
4483#endif
4484
73c4f7a1
GS		 4485END_EXTERN_C
4486
79072805
LW		 4487/*****************************************************************************/
4488/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4489/*****************************************************************************/
8990e307 4490/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4491
d4c3c482 4492#ifdef __Lynx__
9cffb111
OS		 4493/* LynxOS defines these in scsi.h which is included via ioctl.h */
4494#ifdef FORMAT
4495#undef FORMAT
4496#endif
4497#ifdef SPACE
4498#undef SPACE
4499#endif
d4c3c482 4500#endif
9cffb111 4501
fb73857a 4502#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4503
79072805
LW		 4504typedef enum {
4505 XOPERATOR,
4506 XTERM,
79072805 4507 XREF,
8990e307 4508 XSTATE,
a0d0e21e 4509 XBLOCK,
09bef843
SB		 4510 XATTRBLOCK,
4511 XATTRTERM,
6f33ba73
RGS		 4512 XTERMBLOCK,
4513 XTERMORDORDOR /* evil hack */
27308ded 4514 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4515} expectation;
4516
dc9e4912
GS		 4517enum { /* pass one of these to get_vtbl */
4518 want_vtbl_sv,
4519 want_vtbl_env,
4520 want_vtbl_envelem,
4521 want_vtbl_sig,
4522 want_vtbl_sigelem,
4523 want_vtbl_pack,
4524 want_vtbl_packelem,
4525 want_vtbl_dbline,
4526 want_vtbl_isa,
4527 want_vtbl_isaelem,
4528 want_vtbl_arylen,
4529 want_vtbl_glob,
4530 want_vtbl_mglob,
4531 want_vtbl_nkeys,
4532 want_vtbl_taint,
4533 want_vtbl_substr,
4534 want_vtbl_vec,
4535 want_vtbl_pos,
4536 want_vtbl_bm,
4537 want_vtbl_fm,
4538 want_vtbl_uvar,
4539 want_vtbl_defelem,
4540 want_vtbl_regexp,
4541 want_vtbl_collxfrm,
4542 want_vtbl_amagic,
4543 want_vtbl_amagicelem,
dc9e4912 4544 want_vtbl_regdata,
810b8aa5 4545 want_vtbl_regdatum,
7e8c5dac 4546 want_vtbl_backref,
8d2f4536 4547 want_vtbl_utf8,
83bf042f 4548 want_vtbl_symtab,
b3ca2e83
NC		 4549 want_vtbl_arylen_p,
4550 want_vtbl_hintselem
dc9e4912
GS		 4551};
4552
d5ec2987
NC		 4553
4554/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4555 special and there is no need for HINT_PRIVATE_MASK for COPs
4556 However, bitops store HINT_INTEGER in their op_private. */
9cfe5470
RGS		 4557#define HINT_INTEGER 0x00000001 /* integer pragma */
4558#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4559#define HINT_LOCALE 0x00000004 /* locale pragma */
4560#define HINT_BYTES 0x00000008 /* bytes pragma */
7b0bddfa 4561#define HINT_ARYBASE 0x00000010 /* $[ is non-zero */
a0ed51b3 4562 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 4563 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 4564
4565#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4566#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4567#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 4568
9cfe5470 4569/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4570#define HINT_NEW_INTEGER 0x00001000
4571#define HINT_NEW_FLOAT 0x00002000
4572#define HINT_NEW_BINARY 0x00004000
4573#define HINT_NEW_STRING 0x00008000
4574#define HINT_NEW_RE 0x00010000
4575#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 4576#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4577#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 4578
9cfe5470
RGS		 4579#define HINT_RE_TAINT 0x00100000 /* re pragma */
4580#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4581
9cfe5470
RGS		 4582#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4583#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4584
0239f47c 4585/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4586#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4587#define HINT_SORT_QUICKSORT 0x00000001
4588#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4589#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4590
8bfdd7d9 4591/* Various states of the input record separator SV (rs) */
d4cce5f1 4592#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4593#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4594#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4595#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4596
128e8167 4597/* A struct for keeping various DEBUGGING related stuff,
ce333219 4598 * neatly packed. Currently only scratch variables for
128e8167
JH		 4599 * constructing debug output are included. Needed always,
4600 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4601struct perl_debug_pad {
4602 SV pad[3];
4603};
4604
4605#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4606#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4607 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4608 PERL_DEBUG_PAD(i))
ce333219 4609
56953603 4610/* Enable variables which are pointers to functions */
a2efc822 4611typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 4612typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
4613typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
4614 char* strend, char* strbeg, I32 minend,
4615 SV* screamer, void* data, U32 flags);
f722798b
IZ		 4616typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
4617 char *strpos, char *strend,
4618 U32 flags,
9f61653a 4619 re_scream_pos_data *d);
f722798b
IZ		 4620typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
4621typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
84da74a7 4622typedef regexp*(CPERLscope(*regdupe_t)) (pTHX_ const regexp* r, CLONE_PARAMS *param);
56953603 4623
c76ac1ee 4624typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 4625typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
4626typedef void (*SVFUNC_t) (pTHX_ SV*);
4627typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
4628typedef void (*XSINIT_t) (pTHX);
4629typedef void (*ATEXIT_t) (pTHX_ void*);
4630typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4631
22239a37
NIS		 4632/* Set up PERLVAR macros for populating structs */
4633#define PERLVAR(var,type) type var;
51371543 4634#define PERLVARA(var,n,type) type var[n];
22239a37 4635#define PERLVARI(var,type,init) type var;
3fe35a81 4636#define PERLVARIC(var,type,init) type var;
27da23d5
JH		 4637#define PERLVARISC(var,init) const char var[sizeof(init)];
4638
4639typedef OP* (CPERLscope(*Perl_ppaddr_t))(pTHX);
4640typedef OP* (CPERLscope(*Perl_check_t)) (pTHX_ OP*);
22239a37 4641
58a50f62
GS		 4642/* Interpreter exitlist entry */
4643typedef struct exitlistentry {
acfe0abc 4644 void (*fn) (pTHX_ void*);
58a50f62
GS		 4645 void *ptr;
4646} PerlExitListEntry;
4647
aadb217d
JH		 4648/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4649/* These have to be before perlvars.h */
4650#if !defined(HAS_SIGACTION) && defined(VMS)
4651# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4652#endif
4653/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4654#if defined(KILL_BY_SIGPRC)
4655# define FAKE_DEFAULT_SIGNAL_HANDLERS
4656#endif
4657
ffee3ff6
NC		 4658#define PERL_PATCHLEVEL_H_IMPLICIT
4659#include "patchlevel.h"
4660#undef PERL_PATCHLEVEL_H_IMPLICIT
4661
22239a37
NIS		 4662#ifdef PERL_GLOBAL_STRUCT
4663struct perl_vars {
7766f137 4664# include "perlvars.h"
22239a37
NIS		 4665};
4666
7766f137 4667# ifdef PERL_CORE
27da23d5 4668# ifndef PERL_GLOBAL_STRUCT_PRIVATE
533c011a
NIS		 4669EXT struct perl_vars PL_Vars;
4670EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
27da23d5
JH		 4671# undef PERL_GET_VARS
4672# define PERL_GET_VARS() PL_VarsPtr
4673# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
7766f137
GS		 4674# else /* PERL_CORE */
4675# if !defined(__GNUC__) || !defined(WIN32)
22239a37 4676EXT
7766f137 4677# endif /* WIN32 */
533c011a 4678struct perl_vars *PL_VarsPtr;
7766f137
GS		 4679# define PL_Vars (*((PL_VarsPtr) \
4680 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
4681# endif /* PERL_CORE */
22239a37
NIS		 4682#endif /* PERL_GLOBAL_STRUCT */
4683
acfe0abc 4684#if defined(MULTIPLICITY)
d460ef45 4685/* If we have multiple interpreters define a struct
d4cce5f1 4686 holding variables which must be per-interpreter
d460ef45 4687 If we don't have threads anything that would have
d4cce5f1
NIS		 4688 be per-thread is per-interpreter.
4689*/
4690
79072805 4691struct interpreter {
7766f137 4692# include "intrpvar.h"
49f531da 4693};
d4cce5f1 4694
79072805 4695#else
49f531da
NIS		 4696struct interpreter {
4697 char broiled;
4698};
acfe0abc 4699#endif /* MULTIPLICITY */
79072805 4700
22239a37 4701/* Done with PERLVAR macros for now ... */
d4cce5f1 4702#undef PERLVAR
51371543 4703#undef PERLVARA
d4cce5f1 4704#undef PERLVARI
3fe35a81 4705#undef PERLVARIC
27da23d5 4706#undef PERLVARISC
79072805 4707
f7fe979e 4708struct tempsym; /* defined in pp_pack.c */
49704364 4709
22239a37 4710#include "thread.h"
79072805 4711#include "pp.h"
864dbfa3
GS		 4712
4713#ifndef PERL_CALLCONV
a0c21aa1
JH		 4714# ifdef __cplusplus
4715# define PERL_CALLCONV extern "C"
4716# else
4717# define PERL_CALLCONV
4718# endif
d460ef45 4719#endif
0cb96387
GS		 4720#undef PERL_CKDEF
4721#undef PERL_PPDEF
0159f81b
JH		 4722#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
4723#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 4724
7766f137 4725#include "proto.h"
864dbfa3 4726
0cb96387 4727/* this has structure inits, so it cannot be included before here */
acfe0abc 4728#include "opcode.h"
864dbfa3 4729
d4cce5f1
NIS		 4730/* The following must follow proto.h as #defines mess up syntax */
4731
22c35a8c
GS		 4732#if !defined(PERL_FOR_X2P)
4733# include "embedvar.h"
4734#endif
598921a7
NC		 4735#ifndef PERL_MAD
4736# undef PL_madskills
4737# undef PL_xmlfp
4738# define PL_madskills 0
4739# define PL_xmlfp 0
4740#endif
d4cce5f1 4741
d460ef45 4742/* Now include all the 'global' variables
d4cce5f1 4743 * If we don't have threads or multiple interpreters
d460ef45 4744 * these include variables that would have been their struct-s
d4cce5f1 4745 */
d460ef45 4746
533c011a 4747#define PERLVAR(var,type) EXT type PL_##var;
51371543 4748#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 4749#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
4750#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
27da23d5 4751#define PERLVARISC(var,init) EXTCONST char PL_##var[sizeof(init)] INIT(init);
d4cce5f1 4752
acfe0abc 4753#if !defined(MULTIPLICITY)
7766f137 4754START_EXTERN_C
066ef5b5 4755# include "intrpvar.h"
7766f137 4756END_EXTERN_C
22239a37
NIS		 4757#endif
4758
24792b8d
NC		 4759#ifdef PERL_CORE
4760/* All core uses now exterminated. Ensure no zombies can return: */
4761# undef PL_na
4762#endif
4763
acfe0abc 4764#if defined(WIN32)
66a93824 4765/* Now all the config stuff is setup we can include embed.h */
22c35a8c 4766# include "embed.h"
eb8433b7
NC		 4767# ifndef PERL_MAD
4768# undef op_getmad
b3f24c00 4769# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 4770# endif
acfe0abc 4771#endif
22239a37 4772
c5be433b
GS		 4773#ifndef PERL_GLOBAL_STRUCT
4774START_EXTERN_C
4775
4776# include "perlvars.h"
4777
4778END_EXTERN_C
4779#endif
4780
d4cce5f1 4781#undef PERLVAR
51371543 4782#undef PERLVARA
d4cce5f1 4783#undef PERLVARI
0f3f18a6 4784#undef PERLVARIC
79072805 4785
73c4f7a1
GS		 4786START_EXTERN_C
4787
bc028b6b
JH		 4788/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
4789 * magic vtables const, but this is incompatible with SWIG which
4790 * does want to modify the vtables. */
4791#ifdef PERL_GLOBAL_STRUCT_PRIVATE
4792# define EXT_MGVTBL EXTCONST MGVTBL
4793#else
4794# define EXT_MGVTBL EXT MGVTBL
4795#endif
4796
79072805 4797#ifdef DOINIT
bc028b6b 4798# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var = {a,b,c,d,e,f,g,h}
2664ba31 4799/* Like MGVTBL_SET but with the get magic having a const MG* */
bc028b6b 4800# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var \
2664ba31 4801 = {(int (*)(pTHX_ SV *, MAGIC *))a,b,c,d,e,f,g,h}
4944113a 4802#else
bc028b6b
JH		 4803# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var
4804# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var
4944113a
AL		 4805#endif
4806
abdc98d4
NC		 4807/* These all need to be 0, not NULL, as NULL can be (void*)0, which is a
4808 * pointer to data, whereas we're assigning pointers to functions, which are
4809 * not the same beast. ANSI doesn't allow the assignment from one to the other.
4810 * (although most, but not all, compilers are prepared to do it)
4811 */
4944113a
AL		 4812MGVTBL_SET(
4813 PL_vtbl_sv,
4814 MEMBER_TO_FPTR(Perl_magic_get),
4815 MEMBER_TO_FPTR(Perl_magic_set),
4816 MEMBER_TO_FPTR(Perl_magic_len),
abdc98d4
NC		 4817 0,
4818 0,
4819 0,
4820 0,
4821 0
4944113a
AL		 4822);
4823
4824MGVTBL_SET(
4825 PL_vtbl_env,
abdc98d4 4826 0,
4944113a 4827 MEMBER_TO_FPTR(Perl_magic_set_all_env),
abdc98d4 4828 0,
4944113a 4829 MEMBER_TO_FPTR(Perl_magic_clear_all_env),
abdc98d4
NC		 4830 0,
4831 0,
4832 0,
4833 0
4944113a
AL		 4834);
4835
4836MGVTBL_SET(
4837 PL_vtbl_envelem,
abdc98d4 4838 0,
4944113a 4839 MEMBER_TO_FPTR(Perl_magic_setenv),
abdc98d4 4840 0,
4944113a 4841 MEMBER_TO_FPTR(Perl_magic_clearenv),
abdc98d4
NC		 4842 0,
4843 0,
4844 0,
4845 0
4944113a
AL		 4846);
4847
abdc98d4 4848/* For now, hints magic will also use vtbl_sig, because it is all 0 */
4944113a
AL		 4849MGVTBL_SET(
4850 PL_vtbl_sig,
abdc98d4
NC		 4851 0,
4852 0,
4853 0,
4854 0,
4855 0,
4856 0,
4857 0,
4858 0
4944113a
AL		 4859);
4860
9ba75e3c 4861#ifdef PERL_MICRO
4944113a
AL		 4862MGVTBL_SET(
4863 PL_vtbl_sigelem,
abdc98d4
NC		 4864 0,
4865 0,
4866 0,
4867 0,
4868 0,
4869 0,
4870 0,
4871 0
9ba75e3c
DD		 4872);
4873
64ca3a65 4874#else
9ba75e3c
DD		 4875MGVTBL_SET(
4876 PL_vtbl_sigelem,
4944113a
AL		 4877 MEMBER_TO_FPTR(Perl_magic_getsig),
4878 MEMBER_TO_FPTR(Perl_magic_setsig),
abdc98d4 4879 0,
4944113a 4880 MEMBER_TO_FPTR(Perl_magic_clearsig),
abdc98d4
NC		 4881 0,
4882 0,
4883 0,
4884 0
4944113a 4885);
9ba75e3c 4886#endif
4944113a
AL		 4887
4888MGVTBL_SET(
4889 PL_vtbl_pack,
abdc98d4
NC		 4890 0,
4891 0,
4944113a
AL		 4892 MEMBER_TO_FPTR(Perl_magic_sizepack),
4893 MEMBER_TO_FPTR(Perl_magic_wipepack),
abdc98d4
NC		 4894 0,
4895 0,
4896 0,
4897 0
4944113a
AL		 4898);
4899
4900MGVTBL_SET(
4901 PL_vtbl_packelem,
4902 MEMBER_TO_FPTR(Perl_magic_getpack),
4903 MEMBER_TO_FPTR(Perl_magic_setpack),
abdc98d4 4904 0,
4944113a 4905 MEMBER_TO_FPTR(Perl_magic_clearpack),
abdc98d4
NC		 4906 0,
4907 0,
4908 0,
4909 0
4944113a
AL		 4910);
4911
4912MGVTBL_SET(
4913 PL_vtbl_dbline,
abdc98d4 4914 0,
4944113a 4915 MEMBER_TO_FPTR(Perl_magic_setdbline),
abdc98d4
NC		 4916 0,
4917 0,
4918 0,
4919 0,
4920 0,
4921 0
4944113a
AL		 4922);
4923
4924MGVTBL_SET(
4925 PL_vtbl_isa,
abdc98d4 4926 0,
4944113a 4927 MEMBER_TO_FPTR(Perl_magic_setisa),
abdc98d4 4928 0,
52b45067 4929 MEMBER_TO_FPTR(Perl_magic_clearisa),
0fa56319 4930 0,
abdc98d4
NC		 4931 0,
4932 0,
4933 0
4944113a
AL		 4934);
4935
4936MGVTBL_SET(
4937 PL_vtbl_isaelem,
abdc98d4 4938 0,
4944113a 4939 MEMBER_TO_FPTR(Perl_magic_setisa),
abdc98d4
NC		 4940 0,
4941 0,
4942 0,
4943 0,
4944 0,
4945 0
4944113a
AL		 4946);
4947
2e2109e1 4948MGVTBL_SET_CONST_MAGIC_GET(
4944113a
AL		 4949 PL_vtbl_arylen,
4950 MEMBER_TO_FPTR(Perl_magic_getarylen),
4951 MEMBER_TO_FPTR(Perl_magic_setarylen),
abdc98d4
NC		 4952 0,
4953 0,
4954 0,
4955 0,
4956 0,
4957 0
4944113a
AL		 4958);
4959
4960MGVTBL_SET(
83bf042f 4961 PL_vtbl_arylen_p,
abdc98d4
NC		 4962 0,
4963 0,
4964 0,
4965 0,
83bf042f 4966 MEMBER_TO_FPTR(Perl_magic_freearylen_p),
abdc98d4
NC		 4967 0,
4968 0,
4969 0
83bf042f
NC		 4970);
4971
4972MGVTBL_SET(
4944113a 4973 PL_vtbl_mglob,
abdc98d4 4974 0,
4944113a 4975 MEMBER_TO_FPTR(Perl_magic_setmglob),
abdc98d4
NC		 4976 0,
4977 0,
4978 0,
4979 0,
4980 0,
4981 0
4944113a
AL		 4982);
4983
4984MGVTBL_SET(
4985 PL_vtbl_nkeys,
4986 MEMBER_TO_FPTR(Perl_magic_getnkeys),
4987 MEMBER_TO_FPTR(Perl_magic_setnkeys),
abdc98d4
NC		 4988 0,
4989 0,
4990 0,
4991 0,
4992 0,
4993 0
4944113a
AL		 4994);
4995
4996MGVTBL_SET(
4997 PL_vtbl_taint,
4998 MEMBER_TO_FPTR(Perl_magic_gettaint),
4999 MEMBER_TO_FPTR(Perl_magic_settaint),
abdc98d4
NC		 5000 0,
5001 0,
5002 0,
5003 0,
5004 0,
5005 0
4944113a
AL		 5006);
5007
5008MGVTBL_SET(
5009 PL_vtbl_substr,
5010 MEMBER_TO_FPTR(Perl_magic_getsubstr),
5011 MEMBER_TO_FPTR(Perl_magic_setsubstr),
abdc98d4
NC		 5012 0,
5013 0,
5014 0,
5015 0,
5016 0,
5017 0
4944113a
AL		 5018);
5019
5020MGVTBL_SET(
5021 PL_vtbl_vec,
5022 MEMBER_TO_FPTR(Perl_magic_getvec),
5023 MEMBER_TO_FPTR(Perl_magic_setvec),
abdc98d4
NC		 5024 0,
5025 0,
5026 0,
5027 0,
5028 0,
5029 0
4944113a
AL		 5030);
5031
5032MGVTBL_SET(
5033 PL_vtbl_pos,
5034 MEMBER_TO_FPTR(Perl_magic_getpos),
5035 MEMBER_TO_FPTR(Perl_magic_setpos),
abdc98d4
NC		 5036 0,
5037 0,
5038 0,
5039 0,
5040 0,
5041 0
4944113a
AL		 5042);
5043
5044MGVTBL_SET(
5045 PL_vtbl_bm,
abdc98d4 5046 0,
488344d2 5047 MEMBER_TO_FPTR(Perl_magic_setregexp),
abdc98d4
NC		 5048 0,
5049 0,
5050 0,
5051 0,
5052 0,
5053 0
4944113a
AL		 5054);
5055
5056MGVTBL_SET(
5057 PL_vtbl_fm,
abdc98d4 5058 0,
488344d2 5059 MEMBER_TO_FPTR(Perl_magic_setregexp),
abdc98d4
NC		 5060 0,
5061 0,
5062 0,
5063 0,
5064 0,
5065 0
4944113a
AL		 5066);
5067
5068MGVTBL_SET(
5069 PL_vtbl_uvar,
5070 MEMBER_TO_FPTR(Perl_magic_getuvar),
5071 MEMBER_TO_FPTR(Perl_magic_setuvar),
abdc98d4
NC		 5072 0,
5073 0,
5074 0,
5075 0,
5076 0,
5077 0
4944113a
AL		 5078);
5079
5080MGVTBL_SET(
5081 PL_vtbl_defelem,
5082 MEMBER_TO_FPTR(Perl_magic_getdefelem),
5083 MEMBER_TO_FPTR(Perl_magic_setdefelem),
abdc98d4
NC		 5084 0,
5085 0,
5086 0,
5087 0,
5088 0,
5089 0
4944113a
AL		 5090);
5091
5092MGVTBL_SET(
5093 PL_vtbl_regexp,
abdc98d4 5094 0,
4944113a 5095 MEMBER_TO_FPTR(Perl_magic_setregexp),
abdc98d4
NC		 5096 0,
5097 0,
288b8c02 5098 0,
abdc98d4
NC		 5099 0,
5100 0,
5101 0
4944113a
AL		 5102);
5103
5104MGVTBL_SET(
5105 PL_vtbl_regdata,
abdc98d4
NC		 5106 0,
5107 0,
4944113a 5108 MEMBER_TO_FPTR(Perl_magic_regdata_cnt),
abdc98d4
NC		 5109 0,
5110 0,
5111 0,
5112 0,
5113 0
4944113a
AL		 5114);
5115
5116MGVTBL_SET(
5117 PL_vtbl_regdatum,
5118 MEMBER_TO_FPTR(Perl_magic_regdatum_get),
5119 MEMBER_TO_FPTR(Perl_magic_regdatum_set),
abdc98d4
NC		 5120 0,
5121 0,
5122 0,
5123 0,
5124 0,
5125 0
4944113a
AL		 5126);
5127
5128MGVTBL_SET(
5129 PL_vtbl_amagic,
abdc98d4 5130 0,
4944113a 5131 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5132 0,
5133 0,
4944113a 5134 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5135 0,
5136 0,
5137 0
4944113a
AL		 5138);
5139
5140MGVTBL_SET(
5141 PL_vtbl_amagicelem,
abdc98d4 5142 0,
4944113a 5143 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5144 0,
5145 0,
4944113a 5146 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5147 0,
5148 0,
5149 0
4944113a
AL		 5150);
5151
5152MGVTBL_SET(
5153 PL_vtbl_backref,
abdc98d4
NC		 5154 0,
5155 0,
5156 0,
5157 0,
4944113a 5158 MEMBER_TO_FPTR(Perl_magic_killbackrefs),
abdc98d4
NC		 5159 0,
5160 0,
5161 0
4944113a
AL		 5162);
5163
5164MGVTBL_SET(
5165 PL_vtbl_ovrld,
abdc98d4
NC		 5166 0,
5167 0,
5168 0,
5169 0,
4944113a 5170 MEMBER_TO_FPTR(Perl_magic_freeovrld),
abdc98d4
NC		 5171 0,
5172 0,
5173 0
4944113a
AL		 5174);
5175
5176MGVTBL_SET(
5177 PL_vtbl_utf8,
abdc98d4 5178 0,
4944113a 5179 MEMBER_TO_FPTR(Perl_magic_setutf8),
abdc98d4
NC		 5180 0,
5181 0,
5182 0,
5183 0,
5184 0,
5185 0
4944113a 5186);
36477c24 5187#ifdef USE_LOCALE_COLLATE
4944113a
AL		 5188MGVTBL_SET(
5189 PL_vtbl_collxfrm,
abdc98d4 5190 0,
4944113a 5191 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
abdc98d4
NC		 5192 0,
5193 0,
5194 0,
5195 0,
5196 0,
5197 0
4944113a 5198);
bbce6d69 5199#endif
a0d0e21e 5200
b3ca2e83
NC		 5201MGVTBL_SET(
5202 PL_vtbl_hintselem,
abdc98d4 5203 0,
b3ca2e83 5204 MEMBER_TO_FPTR(Perl_magic_sethint),
abdc98d4 5205 0,
b3ca2e83 5206 MEMBER_TO_FPTR(Perl_magic_clearhint),
abdc98d4
NC		 5207 0,
5208 0,
5209 0,
5210 0
b3ca2e83
NC		 5211);
5212
bab3dc31 5213#include "overload.h"
a0d0e21e 5214
73c4f7a1
GS		 5215END_EXTERN_C
5216
a6006777 5217struct am_table {
8175493d 5218 U32 flags;
eb160463 5219 U32 was_ok_sub;
a0d0e21e 5220 long was_ok_am;
a0d0e21e 5221 long fallback;
9bd87817 5222 CV* table[NofAMmeth];
a0d0e21e 5223};
a6006777 5224struct am_table_short {
8175493d 5225 U32 flags;
eb160463 5226 U32 was_ok_sub;
a6006777 5227 long was_ok_am;
a6006777 5228};
a0d0e21e 5229typedef struct am_table AMT;
a6006777 5230typedef struct am_table_short AMTS;
a0d0e21e
LW		 5231
5232#define AMGfallNEVER 1
5233#define AMGfallNO 2
5234#define AMGfallYES 3
5235
a6006777 5236#define AMTf_AMAGIC 1
32251b26 5237#define AMTf_OVERLOADED 2
a6006777 5238#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5239#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5240#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 5241#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
5242#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
5243#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 5244
32251b26 5245#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5246
5247/*
5248 * some compilers like to redefine cos et alia as faster
5249 * (and less accurate?) versions called F_cos et cetera (Quidquid
5250 * latine dictum sit, altum viditur.) This trick collides with
5251 * the Perl overloading (amg). The following #defines fool both.
5252 */
5253
5254#ifdef _FASTMATH
5255# ifdef atan2
5256# define F_atan2_amg atan2_amg
5257# endif
5258# ifdef cos
5259# define F_cos_amg cos_amg
5260# endif
5261# ifdef exp
5262# define F_exp_amg exp_amg
5263# endif
5264# ifdef log
5265# define F_log_amg log_amg
5266# endif
5267# ifdef pow
5268# define F_pow_amg pow_amg
5269# endif
5270# ifdef sin
5271# define F_sin_amg sin_amg
5272# endif
5273# ifdef sqrt
5274# define F_sqrt_amg sqrt_amg
5275# endif
5276#endif /* _FASTMATH */
5277
83ee9e09
GS		 5278#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5279 PERLDBf_NOOPT | PERLDBf_INTER | \
5280 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
06492da6
SF		 5281 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON )
5282 /* No _NONAME, _GOTO, _ASSERTION */
83ee9e09
GS		 5283#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5284#define PERLDBf_LINE 0x02 /* Keep line # */
5285#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5286#define PERLDBf_INTER 0x08 /* Preserve more data for
5287 later inspections */
5288#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5289#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5290#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5291#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5292#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5293#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
84902520 5294
3280af22
NIS		 5295#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5296#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5297#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5298#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5299#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5300#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5301#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5302#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5303#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5304#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
06492da6 5305#define PERLDB_ASSERTION (PL_perldb && (PL_perldb & PERLDBf_ASSERTION))
bbce6d69 5306
36477c24 5307#ifdef USE_LOCALE_NUMERIC
bbce6d69 5308
36477c24 5309#define SET_NUMERIC_STANDARD() \
ff4fed7c 5310 set_numeric_standard();
36477c24 5311
5312#define SET_NUMERIC_LOCAL() \
ff4fed7c 5313 set_numeric_local();
bbce6d69 5314
a98fe34d 5315#define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE)
2de3dbcc
JH		 5316#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
5317
5318#define IN_LOCALE \
923e4eb5 5319 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
2de3dbcc 5320
f93f4e46 5321#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 5322 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 5323 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 5324
5325#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 5326 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 5327 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 5328
5329#define RESTORE_NUMERIC_LOCAL() \
5330 if (was_local) SET_NUMERIC_LOCAL();
5331
5332#define RESTORE_NUMERIC_STANDARD() \
5333 if (was_standard) SET_NUMERIC_STANDARD();
5334
5b877257 5335#define Atof my_atof
097ee67d 5336
36477c24 5337#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5338
097ee67d
JH		 5339#define SET_NUMERIC_STANDARD() /**/
5340#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5341#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5342#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5343#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 5344#define RESTORE_NUMERIC_LOCAL() /**/
5345#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 5346#define Atof my_atof
ad3e0f90 5347#define IN_LOCALE_RUNTIME 0
bbce6d69 5348
36477c24 5349#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5350
079290de 5351#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5352# ifdef __hpux
5353# define strtoll __strtoll /* secret handshake */
5354# endif
c623ac67
GS		 5355# ifdef WIN64
5356# define strtoll _strtoi64 /* secret handshake */
5357# endif
079290de
GS		 5358# if !defined(Strtol) && defined(HAS_STRTOLL)
5359# define Strtol strtoll
ad551343 5360# endif
28e5dec8
JH		 5361# if !defined(Strtol) && defined(HAS_STRTOQ)
5362# define Strtol strtoq
5363# endif
ff935051 5364/* is there atoq() anywhere? */
15b99d39 5365#endif
079290de
GS		 5366#if !defined(Strtol) && defined(HAS_STRTOL)
5367# define Strtol strtol
5368#endif
5369#ifndef Atol
5370/* It would be more fashionable to use Strtol() to define atol()
5371 * (as is done for Atoul(), see below) but for backward compatibility
5372 * we just assume atol(). */
76b882ba 5373# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 5374# ifdef WIN64
5375# define atoll _atoi64 /* secret handshake */
5376# endif
76b882ba
JH		 5377# define Atol atoll
5378# else
5379# define Atol atol
5380# endif
cf2093f6
JH		 5381#endif
5382
55eb892c 5383#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5384# ifdef __hpux
5385# define strtoull __strtoull /* secret handshake */
5386# endif
c623ac67
GS		 5387# ifdef WIN64
5388# define strtoull _strtoui64 /* secret handshake */
5389# endif
ad551343 5390# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5391# define Strtoul strtoull
15b99d39 5392# endif
079290de
GS		 5393# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5394# define Strtoul strtouq
5395# endif
76d49b1c 5396/* is there atouq() anywhere? */
ad551343 5397#endif
079290de
GS		 5398#if !defined(Strtoul) && defined(HAS_STRTOUL)
5399# define Strtoul strtoul
cf2093f6 5400#endif
a5523c5b
JH		 5401#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5402# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5403#endif
079290de 5404#ifndef Atoul
d4c19fe8 5405# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5406#endif
cf2093f6 5407
760ac839 5408
06d86050
GS		 5409/* if these never got defined, they need defaults */
5410#ifndef PERL_SET_CONTEXT
5411# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5412#endif
5413
5414#ifndef PERL_GET_CONTEXT
5415# define PERL_GET_CONTEXT PERL_GET_INTERP
5416#endif
5417
5418#ifndef PERL_GET_THX
5419# define PERL_GET_THX ((void*)NULL)
5420#endif
5421
5422#ifndef PERL_SET_THX
5423# define PERL_SET_THX(t) NOOP
5424#endif
5425
a868473f
NIS		 5426#ifndef PERL_SCRIPT_MODE
5427#define PERL_SCRIPT_MODE "r"
5428#endif
5429
fba3b22e 5430/*
da927450
JH		 5431 * Some operating systems are stingy with stack allocation,
5432 * so perl may have to guard against stack overflow.
5433 */
5434#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5435#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5436#endif
5437
5438/*
5439 * Some nonpreemptive operating systems find it convenient to
5440 * check for asynchronous conditions after each op execution.
5441 * Keep this check simple, or it may slow down execution
5442 * massively.
5443 */
ce08f86c 5444
1d615522 5445#ifndef PERL_MICRO
4ffa73a3
JH		 5446# ifndef PERL_ASYNC_CHECK
5447# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
5448# endif
ce08f86c
NIS		 5449#endif
5450
da927450 5451#ifndef PERL_ASYNC_CHECK
1d615522 5452# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5453#endif
5454
5455/*
5456 * On some operating systems, a memory allocation may succeed,
5457 * but put the process too close to the system's comfort limit.
5458 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5459 * it to NULL.
5460 */
5461#ifndef PERL_ALLOC_CHECK
c2af87cb 5462#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5463#endif
5464
bd89102f
AD		 5465#ifdef HAS_SEM
5466# include <sys/ipc.h>
5467# include <sys/sem.h>
5468# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5469 union semun {
dbba660d
TC		 5470 int val;
5471 struct semid_ds *buf;
5472 unsigned short *array;
bd89102f
AD		 5473 };
5474# endif
5475# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5476# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5477 union gccbug_semun {
5478 int val;
5479 struct semid_ds *buf;
5480 unsigned short *array;
5481 char __dummy[5];
5482 };
5483# define semun gccbug_semun
5484# endif
bd89102f
AD		 5485# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5486# else
5487# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5488# ifdef EXTRA_F_IN_SEMUN_BUF
5489# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5490# else
5491# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5492# endif
bd89102f
AD		 5493# endif
5494# endif
bd89102f 5495#endif
49f531da 5496
89ca4ac7
JH		 5497/*
5498 * Boilerplate macros for initializing and accessing interpreter-local
5499 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 5500 * this, if you want to make the extension thread-safe. See
5501 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5502 * and perlxs.pod for more.
89ca4ac7
JH		 5503 *
5504 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5505 * 1. #define MY_CXT_KEY to a unique string, e.g.
5506 * "DynaLoader::_guts" XS_VERSION
f16dd614 5507 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5508 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5509 * all the data that needs to be interpreter-local.
5510 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5511 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5512 * (typically put in the BOOT: section).
5513 * 5. Use the members of the my_cxt_t structure everywhere as
5514 * MY_CXT.member.
5515 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5516 * access MY_CXT.
5517 */
5518
fc958cd2 5519#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 5520
53d44271
JH		 5521#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5522
5523/* This must appear in all extensions that define a my_cxt_t structure,
5524 * right after the definition (i.e. at file scope). The non-threads
5525 * case below uses it to declare the data as static. */
5526#define START_MY_CXT
5527#define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5528
5529/* Creates and zeroes the per-interpreter data.
5530 * (We allocate my_cxtp in a Perl SV so that it will be released when
5531 * the interpreter goes away.) */
5532#define MY_CXT_INIT \
5533 my_cxt_t *my_cxtp = \
5534 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_KEY, sizeof(my_cxt_t))
5535#define MY_CXT_INIT_INTERP(my_perl) \
5536 my_cxt_t *my_cxtp = \
5537 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_KEY, sizeof(my_cxt_t))
5538
5539/* This declaration should be used within all functions that use the
5540 * interpreter-local data. */
5541#define dMY_CXT \
5542 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
5543#define dMY_CXT_INTERP(my_perl) \
5544 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5545
5546/* Clones the per-interpreter data. */
5547#define MY_CXT_CLONE \
5548 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5549 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5550 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5551
5552#else /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
5553
89ca4ac7
JH		 5554/* This must appear in all extensions that define a my_cxt_t structure,
5555 * right after the definition (i.e. at file scope). The non-threads
5556 * case below uses it to declare the data as static. */
f16dd614 5557#define START_MY_CXT static int my_cxt_index = -1;
89ca4ac7
JH		 5558
5559/* This declaration should be used within all functions that use the
5560 * interpreter-local data. */
5561#define dMY_CXT \
f16dd614
DM		 5562 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[my_cxt_index]
5563#define dMY_CXT_INTERP(my_perl) \
5564 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[my_cxt_index]
89ca4ac7
JH		 5565
5566/* Creates and zeroes the per-interpreter data.
5567 * (We allocate my_cxtp in a Perl SV so that it will be released when
5568 * the interpreter goes away.) */
5569#define MY_CXT_INIT \
f16dd614
DM		 5570 my_cxt_t *my_cxtp = \
5571 (my_cxt_t*)Perl_my_cxt_init(aTHX_ &my_cxt_index, sizeof(my_cxt_t))
5572#define MY_CXT_INIT_INTERP(my_perl) \
5573 my_cxt_t *my_cxtp = \
5574 (my_cxt_t*)Perl_my_cxt_init(my_perl, &my_cxt_index, sizeof(my_cxt_t))
89ca4ac7 5575
8fba5d14
MHM		 5576/* Clones the per-interpreter data. */
5577#define MY_CXT_CLONE \
8fba5d14 5578 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
f16dd614
DM		 5579 Copy(PL_my_cxt_list[my_cxt_index], my_cxtp, 1, my_cxt_t);\
5580 PL_my_cxt_list[my_cxt_index] = my_cxtp \
8fba5d14 5581
53d44271
JH		 5582#endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
5583
89ca4ac7
JH		 5584/* This macro must be used to access members of the my_cxt_t structure.
5585 * e.g. MYCXT.some_data */
5586#define MY_CXT (*my_cxtp)
5587
5588/* Judicious use of these macros can reduce the number of times dMY_CXT
5589 * is used. Use is similar to pTHX, aTHX etc. */
5590#define pMY_CXT my_cxt_t *my_cxtp
5591#define pMY_CXT_ pMY_CXT,
5592#define _pMY_CXT ,pMY_CXT
5593#define aMY_CXT my_cxtp
5594#define aMY_CXT_ aMY_CXT,
5595#define _aMY_CXT ,aMY_CXT
5596
f16dd614 5597#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7
JH		 5598
5599#define START_MY_CXT static my_cxt_t my_cxt;
5600#define dMY_CXT_SV dNOOP
5601#define dMY_CXT dNOOP
9568a123 5602#define dMY_CXT_INTERP(my_perl) dNOOP
89ca4ac7 5603#define MY_CXT_INIT NOOP
8fba5d14 5604#define MY_CXT_CLONE NOOP
89ca4ac7
JH		 5605#define MY_CXT my_cxt
5606
5607#define pMY_CXT void
5608#define pMY_CXT_
5609#define _pMY_CXT
5610#define aMY_CXT
5611#define aMY_CXT_
5612#define _aMY_CXT
5613
f16dd614 5614#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5615
9a34ef1d
GS		 5616#ifdef I_FCNTL
5617# include <fcntl.h>
9a34ef1d
GS		 5618#endif
5619
9cffb111
OS		 5620#ifdef __Lynx__
5621# include <fcntl.h>
5622#endif
5623
9a34ef1d
GS		 5624#ifdef I_SYS_FILE
5625# include <sys/file.h>
5626#endif
5627
fa0a29af 5628#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5629int flock(int fd, int op);
5630#endif
5631
fe52b3b7
GS		 5632#ifndef O_RDONLY
5633/* Assume UNIX defaults */
5634# define O_RDONLY 0000
5635# define O_WRONLY 0001
5636# define O_RDWR 0002
5637# define O_CREAT 0100
5638#endif
9a34ef1d 5639
16fe6d59
GS		 5640#ifndef O_BINARY
5641# define O_BINARY 0
5642#endif
5643
5644#ifndef O_TEXT
5645# define O_TEXT 0
5646#endif
5647
6ce75a77
JH		 5648#if O_TEXT != O_BINARY
5649 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5650 * that is, you are somehow DOSish. */
538204d5 5651# if defined(__BEOS__) || defined(__VOS__) || defined(__CYGWIN__)
a6e45062
JH		 5652 /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5653 * BeOS is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5654 /* VOS has O_TEXT != O_BINARY, and they have effect,
5655 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5656 /* If you have O_TEXT different from your O_BINARY but you still are
5657 * not a CRLF shop. */
35990314 5658# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5659# else
5660 /* If you really are DOSish. */
5661# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5662# endif
5663#endif
5664
104d25b7
JH		 5665#ifdef IAMSUID
5666
5667#ifdef I_SYS_STATVFS
9f982a77
IG		 5668# if defined(PERL_SCO) && !defined(_SVID3)
5669# define _SVID3
5670# endif
32b3cf08
JH		 5671# include <sys/statvfs.h> /* for f?statvfs() */
5672#endif
5673#ifdef I_SYS_MOUNT
5674# include <sys/mount.h> /* for *BSD f?statfs() */
5675#endif
5676#ifdef I_MNTENT
5677# include <mntent.h> /* for getmntent() */
104d25b7 5678#endif
0545a864
JH		 5679#ifdef I_SYS_STATFS
5680# include <sys/statfs.h> /* for some statfs() */
5681#endif
5682#ifdef I_SYS_VFS
8d9e1a19
GS		 5683# ifdef __sgi
5684# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
5685# endif
5686# include <sys/vfs.h> /* for some statfs() */
5687# ifdef __sgi
5688# undef IRIX_sv
5689# endif
0545a864
JH		 5690#endif
5691#ifdef I_USTAT
5692# include <ustat.h> /* for ustat() */
5693#endif
5694
5695#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
5696# define PERL_MOUNT_NOSUID MOUNT_NOSUID
5697#endif
5698#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
5699# define PERL_MOUNT_NOSUID MNT_NOSUID
5700#endif
5701#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
5702# define PERL_MOUNT_NOSUID MS_NOSUID
5703#endif
5704#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
5705# define PERL_MOUNT_NOSUID M_NOSUID
5706#endif
104d25b7 5707
ae3f3efd
PS		 5708#if !defined(PERL_MOUNT_NOEXEC) && defined(MOUNT_NOEXEC)
5709# define PERL_MOUNT_NOEXEC MOUNT_NOEXEC
5710#endif
5711#if !defined(PERL_MOUNT_NOEXEC) && defined(MNT_NOEXEC)
5712# define PERL_MOUNT_NOEXEC MNT_NOEXEC
5713#endif
5714#if !defined(PERL_MOUNT_NOEXEC) && defined(MS_NOEXEC)
5715# define PERL_MOUNT_NOEXEC MS_NOEXEC
5716#endif
5717#if !defined(PERL_MOUNT_NOEXEC) && defined(M_NOEXEC)
5718# define PERL_MOUNT_NOEXEC M_NOEXEC
5719#endif
5720
104d25b7
JH		 5721#endif /* IAMSUID */
5722
4bc88a62
PS		 5723#ifdef I_LIBUTIL
5724# include <libutil.h> /* setproctitle() in some FreeBSDs */
5725#endif
5726
b4748376 5727#ifndef EXEC_ARGV_CAST
360ea906 5728#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 5729#endif
5730
dd5dc04f
JH		 5731#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5732 int). value returned in pointed-
5733 to UV */
5734#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5735#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5736#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5737#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5738#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5739
5740#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5741
53305cf1
NC		 5742/* Input flags: */
5743#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5744#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5745#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 5746/* Output flags: */
5747#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5748
2c4f7f0e
DM		 5749/* to let user control profiling */
5750#ifdef PERL_GPROF_CONTROL
5751extern void moncontrol(int);
5752#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5753#else
5754#define PERL_GPROF_MONCONTROL(x)
5755#endif
5756
ae0e3d3b
JH		 5757#ifdef UNDER_CE
5758#include "wince.h"
5759#endif
5760
5761/* ISO 6429 NEL - C1 control NExt Line */
5762/* See http://www.unicode.org/unicode/reports/tr13/ */
5763#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
5764# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
5765# define NEXT_LINE_CHAR 0x15
5766# else /* CDRA */
5767# define NEXT_LINE_CHAR 0x25
5768# endif
5769#else
5770# define NEXT_LINE_CHAR 0x85
5771#endif
5772
5773/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5774#define UNICODE_LINE_SEPA_0 0xE2
5775#define UNICODE_LINE_SEPA_1 0x80
5776#define UNICODE_LINE_SEPA_2 0xA8
5777#define UNICODE_PARA_SEPA_0 0xE2
5778#define UNICODE_PARA_SEPA_1 0x80
5779#define UNICODE_PARA_SEPA_2 0xA9
5780
479b2847
GS		 5781#ifndef PIPESOCK_MODE
5782# define PIPESOCK_MODE
5783#endif
5784
460c8493
IZ		 5785#ifndef SOCKET_OPEN_MODE
5786# define SOCKET_OPEN_MODE PIPESOCK_MODE
5787#endif
5788
5789#ifndef PIPE_OPEN_MODE
5790# define PIPE_OPEN_MODE PIPESOCK_MODE
5791#endif
5792
7e8c5dac
HS		 5793#define PERL_MAGIC_UTF8_CACHESIZE 2
5794
a05d7ebb
JH		 5795#define PERL_UNICODE_STDIN_FLAG 0x0001
5796#define PERL_UNICODE_STDOUT_FLAG 0x0002
5797#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5798#define PERL_UNICODE_IN_FLAG 0x0008
5799#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5800#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5801#define PERL_UNICODE_LOCALE_FLAG 0x0040
5802#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 5803#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 5804
06e66572
JH		 5805#define PERL_UNICODE_STD_FLAG \
5806 (PERL_UNICODE_STDIN_FLAG | \
5807 PERL_UNICODE_STDOUT_FLAG | \
5808 PERL_UNICODE_STDERR_FLAG)
5809
5810#define PERL_UNICODE_INOUT_FLAG \
5811 (PERL_UNICODE_IN_FLAG | \
5812 PERL_UNICODE_OUT_FLAG)
5813
5814#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5815 (PERL_UNICODE_STD_FLAG | \
5816 PERL_UNICODE_INOUT_FLAG | \
5817 PERL_UNICODE_LOCALE_FLAG)
5818
5a22a2bb 5819#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 5820
5821#define PERL_UNICODE_STDIN 'I'
5822#define PERL_UNICODE_STDOUT 'O'
5823#define PERL_UNICODE_STDERR 'E'
5824#define PERL_UNICODE_STD 'S'
5825#define PERL_UNICODE_IN 'i'
5826#define PERL_UNICODE_OUT 'o'
5827#define PERL_UNICODE_INOUT 'D'
5828#define PERL_UNICODE_ARGV 'A'
5829#define PERL_UNICODE_LOCALE 'L'
5830#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 5831#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 5832
4ffa73a3
JH		 5833#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5834
16bd9a85
JH		 5835/* From sigaction(2) (FreeBSD man page):
5836 * | Signal routines normally execute with the signal that
5837 * | caused their invocation blocked, but other signals may
5838 * | yet occur.
5839 * Emulation of this behavior (from within Perl) is enabled
5840 * by defining PERL_BLOCK_SIGNALS.
5841 */
5842#define PERL_BLOCK_SIGNALS
5843
5844#if defined(HAS_SIGPROCMASK) && defined(PERL_BLOCK_SIGNALS)
5845# define PERL_BLOCKSIG_ADD(set,sig) \
5846 sigset_t set; sigemptyset(&(set)); sigaddset(&(set), sig)
5847# define PERL_BLOCKSIG_BLOCK(set) \
5848 sigprocmask(SIG_BLOCK, &(set), NULL)
5849# define PERL_BLOCKSIG_UNBLOCK(set) \
5850 sigprocmask(SIG_UNBLOCK, &(set), NULL)
5851#endif /* HAS_SIGPROCMASK && PERL_BLOCK_SIGNALS */
5852
5853/* How about the old style of sigblock()? */
5854
5855#ifndef PERL_BLOCKSIG_ADD
5856# define PERL_BLOCKSIG_ADD(set, sig) NOOP
5857#endif
5858#ifndef PERL_BLOCKSIG_BLOCK
5859# define PERL_BLOCKSIG_BLOCK(set) NOOP
5860#endif
2bfba5f0 5861#ifndef PERL_BLOCKSIG_UNBLOCK
16bd9a85
JH		 5862# define PERL_BLOCKSIG_UNBLOCK(set) NOOP
5863#endif
5864
32fdb065 5865/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5866 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5867#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5868
3c0f78ca
JH		 5869#if defined(__DECC) && defined(__osf__)
5870#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 5871#endif
5872
e4dba786
NC		 5873#define do_open(g, n, l, a, rm, rp, sf) \
5874 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 5875#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 5876# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 5877#endif
15871fce
NC		 5878#ifdef OS2
5879# define do_aexec Perl_do_aexec
5880#else
5881# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 5882#endif
e4dba786 5883
2f3efc97
JH		 5884#if defined(OEMVS)
5885#define NO_ENV_ARRAY_IN_MAIN
5886#endif
5887
10edeb5d
JH		 5888/* These are used by Perl_pv_escape() and Perl_pv_pretty()
5889 * are here so that they are available throughout the core
5890 * NOTE that even though some are for _escape and some for _pretty
5891 * there must not be any clashes as the flags from _pretty are
5892 * passed straight through to _escape.
5893 */
5894
5895#define PERL_PV_ESCAPE_QUOTE 0x0001
5896#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
5897
95b611b0 5898#define PERL_PV_PRETTY_ELLIPSES 0x0002
10edeb5d
JH		 5899#define PERL_PV_PRETTY_LTGT 0x0004
5900
5901#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
5902
5903#define PERL_PV_ESCAPE_UNI 0x0100
5904#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
5905
5906#define PERL_PV_ESCAPE_ALL 0x1000
5907#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
5908#define PERL_PV_ESCAPE_NOCLEAR 0x4000
44a2ac75 5909#define PERL_PV_ESCAPE_RE 0x8000
10edeb5d 5910
881a015e
NC		 5911#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
5912
10edeb5d 5913/* used by pv_display in dump.c*/
95b611b0
RGS		 5914#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
5915#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE
10edeb5d
JH		 5916
5917/*
5918
5919 (KEEP THIS LAST IN perl.h!)
5920
5921 Mention
d460ef45 5922
43999f95 5923 NV_PRESERVES_UV
fe749a9f 5924
fe749a9f
JH		 5925 HAS_MKSTEMP
5926 HAS_MKSTEMPS
5927 HAS_MKDTEMP
5928
49dabb45
JH		 5929 HAS_GETCWD
5930
d59b5429 5931 HAS_MMAP
fe749a9f
JH		 5932 HAS_MPROTECT
5933 HAS_MSYNC
1e8c3fde 5934 HAS_MADVISE
fe749a9f
JH		 5935 HAS_MUNMAP
5936 I_SYSMMAN
5937 Mmap_t
5938
6b4667fc
A		 5939 NVef
5940 NVff
5941 NVgf
5942
4e0554ec 5943 HAS_UALARM
2d736872 5944 HAS_USLEEP
4e0554ec
JH		 5945
5946 HAS_SETITIMER
5947 HAS_GETITIMER
5948
5949 HAS_SENDMSG
5950 HAS_RECVMSG
5951 HAS_READV
5952 HAS_WRITEV
5953 I_SYSUIO
5954 HAS_STRUCT_MSGHDR
5955 HAS_STRUCT_CMSGHDR
5956
2765b840 5957 HAS_NL_LANGINFO
0a7020c9 5958
ae0e3d3b 5959 HAS_DIRFD
2765b840 5960
10edeb5d 5961 so that Configure picks them up.
ab3bbdeb 5962
10edeb5d 5963 (KEEP THIS LAST IN perl.h!)
3df15adc 5964
10edeb5d 5965*/
3df15adc 5966
85e6fe83 5967#endif /* Include guard */
e9a8c099
MHM		 5968
5969/*
5970 * Local variables:
5971 * c-indentation-style: bsd
5972 * c-basic-offset: 4
5973 * indent-tabs-mode: t
5974 * End:
5975 *
5976 * ex: set ts=8 sts=4 sw=4 noet:
5977 */
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