This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
https://perl5.git.perl.org / perl5.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
More perldelta entries from 5.9.3
[perl5.git] / perl.h
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
7272f7c1 4 * 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
b0f06652
VK		 37# ifndef USE_CROSS_COMPILE
38# include "config.h"
39# else
40# include "xconfig.h"
41# endif
12ae5dfc 42#endif
0cb96387 43
2c2d71f5
JH		 44/* See L<perlguts/"The Perl API"> for detailed notes on
45 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
46
ac6bedea
JH		 47/* Note that from here --> to <-- the same logic is
48 * repeated in makedef.pl, so be certain to update
49 * both places when editing. */
50
894ccb8c
JH		 51#ifdef PERL_IMPLICIT_SYS
52/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
53 so use slab allocator to avoid lots of MUTEX overhead
54 */
55# ifndef PL_OP_SLAB_ALLOC
56# define PL_OP_SLAB_ALLOC
57# endif
ba979b31
NIS		 58#endif
59
6f4183fe 60#ifdef USE_ITHREADS
acfe0abc 61# if !defined(MULTIPLICITY)
6f4183fe
GS		 62# define MULTIPLICITY
63# endif
64#endif
65
27da23d5
JH		 66#ifdef PERL_GLOBAL_STRUCT_PRIVATE
67# ifndef PERL_GLOBAL_STRUCT
68# define PERL_GLOBAL_STRUCT
69# endif
70#endif
97aff369 71
27da23d5
JH		 72#ifdef PERL_GLOBAL_STRUCT
73# ifndef MULTIPLICITY
74# define MULTIPLICITY
75# endif
76#endif
77
97aff369
JH		 78#ifdef MULTIPLICITY
79# ifndef PERL_IMPLICIT_CONTEXT
80# define PERL_IMPLICIT_CONTEXT
81# endif
82#endif
83
026fd48b
GH		 84/* undef WIN32 when building on Cygwin (for libwin32) - gph */
85#ifdef __CYGWIN__
86# undef WIN32
87# undef _WIN32
88#endif
89
27da23d5
JH		 90#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
91# ifndef SYMBIAN
92# define SYMBIAN
93# endif
94#endif
95
a0fd4948 96#ifdef __SYMBIAN32__
27da23d5
JH		 97# include "symbian/symbian_proto.h"
98#endif
99
100/* Any stack-challenged places. The limit varies (and often
101 * is configurable), but using more than a kilobyte of stack
102 * is usually dubious in these systems. */
a0fd4948 103#if defined(EPOC) || defined(__SYMBIAN32__)
27da23d5
JH		 104/* EPOC/Symbian: need to work around the SDK features. *
105 * On WINS: MS VC5 generates calls to _chkstk, *
106 * if a "large" stack frame is allocated. *
107 * gcc on MARM does not generate calls like these. */
108# define USE_HEAP_INSTEAD_OF_STACK
109#endif
110
111#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 112/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 113#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 114# define USE_REENTRANT_API
115#endif
116
ac6bedea
JH		 117/* <--- here ends the logic shared by perl.h and makedef.pl */
118
af28e889 119/*
6239f2da
JH		 120 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
121 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 122 * __bsdi__ for BSD/OS
123 */
6239f2da 124#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 125# ifndef BSDish
126# define BSDish
127# endif
128#endif
129
27da23d5
JH		 130#ifdef PERL_GLOBAL_STRUCT
131# ifndef PERL_GET_VARS
132# ifdef PERL_GLOBAL_STRUCT_PRIVATE
133 extern struct perl_vars* Perl_GetVarsPrivate();
134# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
135# ifndef PERLIO_FUNCS_CONST
136# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
137# endif
138# else
139# define PERL_GET_VARS() PL_VarsPtr
140# endif
141# endif
142#endif
143
7a89be66 144#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH		 145
146#ifdef PERL_GLOBAL_STRUCT
147# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
148#else
149# define dVAR dNOOP
150#endif
151
c5be433b 152#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 153# ifndef MULTIPLICITY
154# define MULTIPLICITY
c5be433b 155# endif
e8dda941 156# define tTHX PerlInterpreter*
5ba4cab2 157# define pTHX register tTHX my_perl PERL_UNUSED_DECL
3db8f154 158# define aTHX my_perl
27da23d5 159# ifdef PERL_GLOBAL_STRUCT
e8dda941 160# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 161# else
e8dda941 162# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH		 163# endif
164# ifdef PERL_GLOBAL_STRUCT
165# define dTHX dVAR; pTHX = PERL_GET_THX
166# else
167# define dTHX pTHX = PERL_GET_THX
168# endif
c5be433b 169# define pTHX_ pTHX,
c5be433b 170# define aTHX_ aTHX,
4373e329 171# define pTHX_1 2
894356b3
GS		 172# define pTHX_2 3
173# define pTHX_3 4
174# define pTHX_4 5
4373e329
AL		 175# define pTHX_5 6
176# define pTHX_6 7
a3b680e6
AL		 177# define pTHX_7 8
178# define pTHX_8 9
179# define pTHX_9 10
e8dda941
JD		 180# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
181# define PERL_TRACK_MEMPOOL
182# endif
183#else
184# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 185#endif
186
76e3520e
GS		 187#define STATIC static
188#define CPERLscope(x) x
565764a8 189#define CPERLarg void
76e3520e 190#define CPERLarg_
e3b8966e 191#define _CPERLarg
1d583055
GS		 192#define PERL_OBJECT_THIS
193#define _PERL_OBJECT_THIS
194#define PERL_OBJECT_THIS_
312caa8e 195#define CALL_FPTR(fptr) (*fptr)
76e3520e 196
312caa8e 197#define CALLRUNOPS CALL_FPTR(PL_runops)
f9f4320a 198
3ab4a224 199#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 200
3ab4a224
AB		 201#define CALLREGCOMP_ENG(prog, sv, flags) \
202 CALL_FPTR(((prog)->comp))(aTHX_ sv, flags)
f9f4320a 203#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
f2f78491 204 CALL_FPTR((prog)->engine->exec)(aTHX_ (prog),(stringarg),(strend), \
f9f4320a
YO		 205 (strbeg),(minend),(screamer),(data),(flags))
206#define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \
f2f78491 207 CALL_FPTR((prog)->engine->intuit)(aTHX_ (prog), (sv), (strpos), \
f9f4320a
YO		 208 (strend),(flags),(data))
209#define CALLREG_INTUIT_STRING(prog) \
f2f78491 210 CALL_FPTR((prog)->engine->checkstr)(aTHX_ (prog))
f8149455 211
de8c5301 212#define CALLREG_AS_STR(mg,lp,flags,haseval) \
f8149455 213 Perl_reg_stringify(aTHX_ (mg), (lp), (flags), (haseval))
de8c5301 214#define CALLREG_STRINGIFY(mg,lp,flags) CALLREG_AS_STR(mg,lp,flags,0)
f8149455
YO		 215
216#define CALLREGFREE(prog) \
217 Perl_pregfree(aTHX_ (prog))
218
219#define CALLREGFREE_PVT(prog) \
220 if(prog) CALL_FPTR((prog)->engine->free)(aTHX_ (prog))
221
2fdbfb4d
AB		 222#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
223 CALL_FPTR((rx)->engine->numbered_buff_FETCH)(aTHX_ (rx),(paren),(usesv))
93b32b6d 224
2fdbfb4d
AB		 225#define CALLREG_NUMBUF_STORE(rx,paren,value) \
226 CALL_FPTR((rx)->engine->numbered_buff_STORE)(aTHX_ (rx),(paren),(value))
227
228#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
229 CALL_FPTR((rx)->engine->numbered_buff_LENGTH)(aTHX_ (rx),(sv),(paren))
230
192b9cd1 231#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
f1b875a0 232 CALL_FPTR((rx)->engine->named_buff)(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
192b9cd1
AB		 233
234#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
f1b875a0 235 CALL_FPTR((rx)->engine->named_buff)(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
192b9cd1
AB		 236
237#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
f1b875a0 238 CALL_FPTR((rx)->engine->named_buff)(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB		 239
240#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
f1b875a0 241 CALL_FPTR((rx)->engine->named_buff)(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB		 242
243#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
f1b875a0 244 CALL_FPTR((rx)->engine->named_buff)(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB		 245
246#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
f1b875a0 247 CALL_FPTR((rx)->engine->named_buff_iter)(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB		 248
249#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
f1b875a0 250 CALL_FPTR((rx)->engine->named_buff_iter)(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB		 251
252#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
f1b875a0 253 CALL_FPTR((rx)->engine->named_buff)(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
AB		 254
255#define CALLREG_NAMED_BUFF_COUNT(rx) \
f1b875a0 256 CALL_FPTR((rx)->engine->named_buff)(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
192b9cd1
AB		 257
258#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
259 CALL_FPTR((rx)->engine->named_buff)(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 260
49d7dfbc
AB		 261#define CALLREG_PACKAGE(rx) \
262 CALL_FPTR((rx)->engine->qr_package)(aTHX_ (rx))
93b32b6d 263
f9f4320a
YO		 264#if defined(USE_ITHREADS)
265#define CALLREGDUPE(prog,param) \
f8149455
YO		 266 Perl_re_dup(aTHX_ (prog),(param))
267
268#define CALLREGDUPE_PVT(prog,param) \
f2f78491 269 (prog ? CALL_FPTR((prog)->engine->dupe)(aTHX_ (prog),(param)) \
f9f4320a
YO		 270 : (REGEXP *)NULL)
271#endif
14dd3ad8 272
a20207d7 273
bcdf7404 274
a20207d7
YO		 275
276
5ba4cab2
SH		 277/*
278 * Because of backward compatibility reasons the PERL_UNUSED_DECL
279 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
280 *
281 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 282 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 283 * marking unused variables (they need e.g. a #pragma) and therefore
284 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
285 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
286 *
287 */
1266ad8c 288
9969cdde 289#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 290# ifdef __cplusplus
5ba4cab2 291# define PERL_UNUSED_DECL
5b2bd0a5 292# else
5ba4cab2 293# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 294# endif
295#endif
44dbb695 296
5b2bd0a5 297#ifndef PERL_UNUSED_DECL
34659ad4 298# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 299# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 300# else
5ba4cab2 301# define PERL_UNUSED_DECL
b79c357a 302# endif
5b2bd0a5
AMS		 303#endif
304
349b520e
DM		 305/* gcc -Wall:
306 * for silencing unused variables that are actually used most of the time,
a0288114 307 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 308 */
53c1dcc0 309#ifndef PERL_UNUSED_ARG
c99ffe5e 310# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 311# include <note.h>
53c1dcc0 312# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 313# else
53c1dcc0 314# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 315# endif
316#endif
53c1dcc0
AL		 317#ifndef PERL_UNUSED_VAR
318# define PERL_UNUSED_VAR(x) ((void)x)
319#endif
ad73156c 320
96a5add6
AL		 321#ifdef USE_ITHREADS
322# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
323#else
324# define PERL_UNUSED_CONTEXT
325#endif
326
6f207bd3 327#define NOOP /*EMPTY*/(void)0
6b484a99
JH		 328#if !defined(HASATTRIBUTE_UNUSED) && defined(__cplusplus)
329#define dNOOP /*EMPTY*/(void)0 /* Older g++ has no __attribute((unused))__ */
330#else
6f207bd3 331#define dNOOP extern int /*@unused@*/ Perl___notused PERL_UNUSED_DECL
6b484a99 332#endif
71be2cbc 333
0cb96387 334#ifndef pTHX
e8dda941
JD		 335/* Don't bother defining tTHX and sTHX; using them outside
336 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
337 */
0cb96387
GS		 338# define pTHX void
339# define pTHX_
0cb96387
GS		 340# define aTHX
341# define aTHX_
0cb96387
GS		 342# define dTHXa(a) dNOOP
343# define dTHX dNOOP
894356b3
GS		 344# define pTHX_1 1
345# define pTHX_2 2
346# define pTHX_3 3
347# define pTHX_4 4
3d42dc86
RGS		 348# define pTHX_5 5
349# define pTHX_6 6
a3b680e6
AL		 350# define pTHX_7 7
351# define pTHX_8 8
352# define pTHX_9 9
0cb96387
GS		 353#endif
354
27da23d5
JH		 355#ifndef dVAR
356# define dVAR dNOOP
357#endif
358
b4f7f263
GS		 359/* these are only defined for compatibility; should not be used internally */
360#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 361# define pTHXo pTHX
362# define pTHXo_ pTHX_
0cb96387
GS		 363# define aTHXo aTHX
364# define aTHXo_ aTHX_
c5be433b 365# define dTHXo dTHX
71d280e3 366# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 367#endif
368
369#ifndef pTHXx
370# define pTHXx register PerlInterpreter *my_perl
371# define pTHXx_ pTHXx,
0cb96387
GS		 372# define aTHXx my_perl
373# define aTHXx_ aTHXx,
c5be433b 374# define dTHXx dTHX
22c35a8c 375#endif
71be2cbc 376
1de7c2ac
GS		 377/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
378 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
379 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
380#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 381# ifdef PERL_GLOBAL_STRUCT_PRIVATE
382# define dTHXs dVAR; dTHX
383# else
384# define dTHXs dTHX
385# endif
1de7c2ac 386#else
27da23d5
JH		 387# ifdef PERL_GLOBAL_STRUCT_PRIVATE
388# define dTHXs dVAR
389# else
390# define dTHXs dNOOP
391# endif
1de7c2ac
GS		 392#endif
393
326b05e3
GS		 394#undef START_EXTERN_C
395#undef END_EXTERN_C
396#undef EXTERN_C
32f822de
GS		 397#ifdef __cplusplus
398# define START_EXTERN_C extern "C" {
399# define END_EXTERN_C }
400# define EXTERN_C extern "C"
401#else
d460ef45
NIS		 402# define START_EXTERN_C
403# define END_EXTERN_C
73c4f7a1 404# define EXTERN_C extern
32f822de
GS		 405#endif
406
27da23d5
JH		 407/* Some platforms require marking function declarations
408 * for them to be exportable. Used in perlio.h, proto.h
409 * is handled either by the makedef.pl or by defining the
410 * PERL_CALLCONV to be something special. See also the
411 * definition of XS() in XSUB.h. */
412#ifndef PERL_EXPORT_C
a0c21aa1
JH		 413# ifdef __cplusplus
414# define PERL_EXPORT_C extern "C"
415# else
416# define PERL_EXPORT_C extern
417# endif
27da23d5
JH		 418#endif
419#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 420# ifdef __cplusplus
421# define PERL_XS_EXPORT_C extern "C"
422# else
423# define PERL_XS_EXPORT_C
424# endif
27da23d5
JH		 425#endif
426
462e5cf6
MB		 427#ifdef OP_IN_REGISTER
428# ifdef __GNUC__
429# define stringify_immed(s) #s
430# define stringify(s) stringify_immed(s)
d1ca3daa 431register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 432# endif
433#endif
434
e5afc1ae 435/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab
JH		 436 * g++ allows them but seems to have problems with them
437 * (insane errors ensue). */
438#if defined(PERL_GCC_PEDANTIC) || (defined(__GNUC__) && defined(__cplusplus))
5b692037 439# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 440# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
441# endif
5dc8bdac
JH		 442#endif
443
5b692037
JH		 444#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
445# ifndef PERL_USE_GCC_BRACE_GROUPS
446# define PERL_USE_GCC_BRACE_GROUPS
447# endif
448#endif
449
728e2803 450/*
451 * STMT_START { statements; } STMT_END;
452 * can be used as a single statement, as in
453 * if (x) STMT_START { ... } STMT_END; else ...
454 *
455 * Trying to select a version that gives no warnings...
456 */
457#if !(defined(STMT_START) && defined(STMT_END))
5b692037 458# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 459# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 460# define STMT_END )
461# else
462 /* Now which other defined()s do we need here ??? */
93189314 463# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 464# define STMT_START if (1)
465# define STMT_END else (void)0
466# else
467# define STMT_START do
468# define STMT_END while (0)
469# endif
470# endif
471#endif
472
0cb96387 473#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 474#define WITH_THR(s) WITH_THX(s)
ea0efc06 475
d6f9c181
JH		 476#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
477# define BYTEORDER 0x1234
79072805
LW		 478#endif
479
480/* Overall memory policy? */
481#ifndef CONSERVATIVE
482# define LIBERAL 1
483#endif
484
8ada0baa
JH		 485#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
486#define ASCIIish
487#else
488#undef ASCIIish
489#endif
490
79072805
LW		 491/*
492 * The following contortions are brought to you on behalf of all the
493 * standards, semi-standards, de facto standards, not-so-de-facto standards
494 * of the world, as well as all the other botches anyone ever thought of.
495 * The basic theory is that if we work hard enough here, the rest of the
496 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
497 */
ac58e20f 498
ee0007ab 499/* define this once if either system, instead of cluttering up the src */
2986a63f 500#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 501#define DOSISH 1
502#endif
503
fb38d079 504#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 505# define STANDARD_C 1
506#endif
507
9969cdde 508#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 509# define DONT_DECLARE_STD 1
510#endif
511
352d5a3a 512#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 513# ifdef __cplusplus
cb69f87a 514# define VOL /* to temporarily suppress warnings */
79072805
LW		 515# else
516# define VOL volatile
517# endif
663a0e37 518#else
79072805 519# define VOL
663a0e37
LW		 520#endif
521
3280af22
NIS		 522#define TAINT (PL_tainted = TRUE)
523#define TAINT_NOT (PL_tainted = FALSE)
524#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
525#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 526#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 527
d460ef45 528/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 529 defines move there? If so, I could simplify this a lot. --AD 9/96.
530*/
531/* Process group stuff changed from traditional BSD to POSIX.
532 perlfunc.pod documents the traditional BSD-style syntax, so we'll
533 try to preserve that, if possible.
534*/
535#ifdef HAS_SETPGID
536# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 537#else
a6e633de 538# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
539# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
540# else
541# ifdef HAS_SETPGRP2 /* DG/UX */
542# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
543# endif
544# endif
545#endif
546#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
547# define HAS_SETPGRP /* Well, effectively it does . . . */
548#endif
549
550/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
551 our life easier :-) so we'll try it.
552*/
553#ifdef HAS_GETPGID
554# define BSD_GETPGRP(pid) getpgid((pid))
555#else
556# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
557# define BSD_GETPGRP(pid) getpgrp((pid))
558# else
559# ifdef HAS_GETPGRP2 /* DG/UX */
560# define BSD_GETPGRP(pid) getpgrp2((pid))
561# endif
562# endif
563#endif
564#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
565# define HAS_GETPGRP /* Well, effectively it does . . . */
566#endif
567
d460ef45 568/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 569 have different behaviors, but perl.h used to define USE_BSDPGRP
570 (prior to 5.003_05) so some extension might depend on it.
571*/
572#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
573# ifndef USE_BSDPGRP
574# define USE_BSDPGRP
575# endif
663a0e37
LW		 576#endif
577
8ac5a1fe
MH		 578/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
579 pthread.h must be included before all other header files.
580*/
3db8f154 581#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 582# include <pthread.h>
583#endif
584
760ac839
LW		 585#ifndef _TYPES_ /* If types.h defines this it's easy. */
586# ifndef major /* Does everyone's types.h define this? */
587# include <sys/types.h>
c07a80fd 588# endif
663a0e37
LW		 589#endif
590
760ac839
LW		 591#ifdef __cplusplus
592# ifndef I_STDARG
593# define I_STDARG 1
594# endif
595#endif
596
597#ifdef I_STDARG
598# include <stdarg.h>
599#else
600# ifdef I_VARARGS
601# include <varargs.h>
602# endif
603#endif
604
4633a7c4 605#ifdef USE_NEXT_CTYPE
0c30d9ec 606
092bebab
JH		 607#if NX_CURRENT_COMPILER_RELEASE >= 500
608# include <bsd/ctypes.h>
609#else
610# if NX_CURRENT_COMPILER_RELEASE >= 400
611# include <objc/NXCType.h>
612# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
613# include <appkit/NXCType.h>
614# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
615#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 616
617#else /* !USE_NEXT_CTYPE */
fe14fcc3 618#include <ctype.h>
0c30d9ec 619#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 620
621#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
622#undef METHOD
a0d0e21e
LW		 623#endif
624
12ae5dfc
JH		 625#ifdef PERL_MICRO
626# define NO_LOCALE
627#endif
628
4633a7c4 629#ifdef I_LOCALE
36477c24 630# include <locale.h>
4633a7c4
LW		 631#endif
632
36477c24 633#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
634# define USE_LOCALE
635# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
636 && defined(HAS_STRXFRM)
637# define USE_LOCALE_COLLATE
638# endif
639# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
640# define USE_LOCALE_CTYPE
641# endif
642# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
643# define USE_LOCALE_NUMERIC
644# endif
645#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 646
fe14fcc3 647#include <setjmp.h>
79072805 648
a0d0e21e 649#ifdef I_SYS_PARAM
79072805
LW		 650# ifdef PARAM_NEEDS_TYPES
651# include <sys/types.h>
652# endif
653# include <sys/param.h>
352d5a3a 654#endif
79072805 655
79072805 656/* Use all the "standard" definitions? */
a0d0e21e 657#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 658# include <stdlib.h>
ff68c719 659#endif
03a14243 660
3f270f98
JH		 661/* If this causes problems, set i_unistd=undef in the hint file. */
662#ifdef I_UNISTD
663# include <unistd.h>
664#endif
665
9969cdde 666#ifdef __SYMBIAN32__
27da23d5
JH		 667# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
668#endif
669
7114a2d2 670#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 671EXTERN_C int syscall(int, ...);
2ef53570
JH		 672#endif
673
7114a2d2 674#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 675EXTERN_C int usleep(unsigned int);
2ef53570
JH		 676#endif
677
9c12f1e5
RGS		 678/* Funky places that do not have socket stuff. */
679#if defined(__LIBCATAMOUNT__)
680# define MYSWAP
681#endif
682
9a34ef1d
GS		 683#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
684# define MYSWAP
685#endif
686
1109a392
MHM		 687#ifdef PERL_CORE
688
689/* macros for correct constant construction */
690# if INTSIZE >= 2
691# define U16_CONST(x) ((U16)x##U)
692# else
693# define U16_CONST(x) ((U16)x##UL)
694# endif
695
696# if INTSIZE >= 4
697# define U32_CONST(x) ((U32)x##U)
698# else
699# define U32_CONST(x) ((U32)x##UL)
700# endif
701
702# ifdef HAS_QUAD
703# if INTSIZE >= 8
704# define U64_CONST(x) ((U64)x##U)
705# elif LONGSIZE >= 8
706# define U64_CONST(x) ((U64)x##UL)
707# elif QUADKIND == QUAD_IS_LONG_LONG
708# define U64_CONST(x) ((U64)x##ULL)
709# else /* best guess we can make */
710# define U64_CONST(x) ((U64)x##UL)
711# endif
712# endif
713
714/* byte-swapping functions for big-/little-endian conversion */
715# define _swab_16_(x) ((U16)( \
716 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
717 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
718
719# define _swab_32_(x) ((U32)( \
720 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
721 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
722 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
723 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
724
725# ifdef HAS_QUAD
726# define _swab_64_(x) ((U64)( \
727 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
728 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
729 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
730 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
731 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
732 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
733 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
734 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
735# endif
736
737/*----------------------------------------------------------------------------*/
738# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
739/*----------------------------------------------------------------------------*/
740# define my_htole16(x) (x)
741# define my_letoh16(x) (x)
742# define my_htole32(x) (x)
743# define my_letoh32(x) (x)
744# define my_htobe16(x) _swab_16_(x)
745# define my_betoh16(x) _swab_16_(x)
746# define my_htobe32(x) _swab_32_(x)
747# define my_betoh32(x) _swab_32_(x)
748# ifdef HAS_QUAD
749# define my_htole64(x) (x)
750# define my_letoh64(x) (x)
751# define my_htobe64(x) _swab_64_(x)
752# define my_betoh64(x) _swab_64_(x)
753# endif
754# define my_htoles(x) (x)
755# define my_letohs(x) (x)
756# define my_htolei(x) (x)
757# define my_letohi(x) (x)
758# define my_htolel(x) (x)
759# define my_letohl(x) (x)
760# if SHORTSIZE == 1
761# define my_htobes(x) (x)
762# define my_betohs(x) (x)
763# elif SHORTSIZE == 2
764# define my_htobes(x) _swab_16_(x)
765# define my_betohs(x) _swab_16_(x)
766# elif SHORTSIZE == 4
767# define my_htobes(x) _swab_32_(x)
768# define my_betohs(x) _swab_32_(x)
769# elif SHORTSIZE == 8
770# define my_htobes(x) _swab_64_(x)
771# define my_betohs(x) _swab_64_(x)
772# else
773# define PERL_NEED_MY_HTOBES
774# define PERL_NEED_MY_BETOHS
775# endif
776# if INTSIZE == 1
777# define my_htobei(x) (x)
778# define my_betohi(x) (x)
779# elif INTSIZE == 2
780# define my_htobei(x) _swab_16_(x)
781# define my_betohi(x) _swab_16_(x)
782# elif INTSIZE == 4
783# define my_htobei(x) _swab_32_(x)
784# define my_betohi(x) _swab_32_(x)
785# elif INTSIZE == 8
786# define my_htobei(x) _swab_64_(x)
787# define my_betohi(x) _swab_64_(x)
788# else
789# define PERL_NEED_MY_HTOBEI
790# define PERL_NEED_MY_BETOHI
791# endif
792# if LONGSIZE == 1
793# define my_htobel(x) (x)
794# define my_betohl(x) (x)
795# elif LONGSIZE == 2
796# define my_htobel(x) _swab_16_(x)
797# define my_betohl(x) _swab_16_(x)
798# elif LONGSIZE == 4
799# define my_htobel(x) _swab_32_(x)
800# define my_betohl(x) _swab_32_(x)
801# elif LONGSIZE == 8
802# define my_htobel(x) _swab_64_(x)
803# define my_betohl(x) _swab_64_(x)
804# else
805# define PERL_NEED_MY_HTOBEL
806# define PERL_NEED_MY_BETOHL
807# endif
808# define my_htolen(p,n) NOOP
809# define my_letohn(p,n) NOOP
810# define my_htoben(p,n) my_swabn(p,n)
811# define my_betohn(p,n) my_swabn(p,n)
812/*----------------------------------------------------------------------------*/
813# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
814/*----------------------------------------------------------------------------*/
815# define my_htobe16(x) (x)
816# define my_betoh16(x) (x)
817# define my_htobe32(x) (x)
818# define my_betoh32(x) (x)
819# define my_htole16(x) _swab_16_(x)
820# define my_letoh16(x) _swab_16_(x)
821# define my_htole32(x) _swab_32_(x)
822# define my_letoh32(x) _swab_32_(x)
823# ifdef HAS_QUAD
824# define my_htobe64(x) (x)
825# define my_betoh64(x) (x)
826# define my_htole64(x) _swab_64_(x)
827# define my_letoh64(x) _swab_64_(x)
828# endif
829# define my_htobes(x) (x)
830# define my_betohs(x) (x)
831# define my_htobei(x) (x)
832# define my_betohi(x) (x)
833# define my_htobel(x) (x)
834# define my_betohl(x) (x)
835# if SHORTSIZE == 1
836# define my_htoles(x) (x)
837# define my_letohs(x) (x)
838# elif SHORTSIZE == 2
839# define my_htoles(x) _swab_16_(x)
840# define my_letohs(x) _swab_16_(x)
841# elif SHORTSIZE == 4
842# define my_htoles(x) _swab_32_(x)
843# define my_letohs(x) _swab_32_(x)
844# elif SHORTSIZE == 8
845# define my_htoles(x) _swab_64_(x)
846# define my_letohs(x) _swab_64_(x)
847# else
848# define PERL_NEED_MY_HTOLES
849# define PERL_NEED_MY_LETOHS
850# endif
851# if INTSIZE == 1
852# define my_htolei(x) (x)
853# define my_letohi(x) (x)
854# elif INTSIZE == 2
855# define my_htolei(x) _swab_16_(x)
856# define my_letohi(x) _swab_16_(x)
857# elif INTSIZE == 4
858# define my_htolei(x) _swab_32_(x)
859# define my_letohi(x) _swab_32_(x)
860# elif INTSIZE == 8
861# define my_htolei(x) _swab_64_(x)
862# define my_letohi(x) _swab_64_(x)
863# else
864# define PERL_NEED_MY_HTOLEI
865# define PERL_NEED_MY_LETOHI
866# endif
867# if LONGSIZE == 1
868# define my_htolel(x) (x)
869# define my_letohl(x) (x)
870# elif LONGSIZE == 2
871# define my_htolel(x) _swab_16_(x)
872# define my_letohl(x) _swab_16_(x)
873# elif LONGSIZE == 4
874# define my_htolel(x) _swab_32_(x)
875# define my_letohl(x) _swab_32_(x)
876# elif LONGSIZE == 8
877# define my_htolel(x) _swab_64_(x)
878# define my_letohl(x) _swab_64_(x)
879# else
880# define PERL_NEED_MY_HTOLEL
881# define PERL_NEED_MY_LETOHL
882# endif
883# define my_htolen(p,n) my_swabn(p,n)
884# define my_letohn(p,n) my_swabn(p,n)
885# define my_htoben(p,n) NOOP
886# define my_betohn(p,n) NOOP
887/*----------------------------------------------------------------------------*/
888# else /* all other byte-orders */
889/*----------------------------------------------------------------------------*/
890# define PERL_NEED_MY_HTOLE16
891# define PERL_NEED_MY_LETOH16
892# define PERL_NEED_MY_HTOBE16
893# define PERL_NEED_MY_BETOH16
894# define PERL_NEED_MY_HTOLE32
895# define PERL_NEED_MY_LETOH32
896# define PERL_NEED_MY_HTOBE32
897# define PERL_NEED_MY_BETOH32
898# ifdef HAS_QUAD
899# define PERL_NEED_MY_HTOLE64
900# define PERL_NEED_MY_LETOH64
901# define PERL_NEED_MY_HTOBE64
902# define PERL_NEED_MY_BETOH64
903# endif
904# define PERL_NEED_MY_HTOLES
905# define PERL_NEED_MY_LETOHS
906# define PERL_NEED_MY_HTOBES
907# define PERL_NEED_MY_BETOHS
908# define PERL_NEED_MY_HTOLEI
909# define PERL_NEED_MY_LETOHI
910# define PERL_NEED_MY_HTOBEI
911# define PERL_NEED_MY_BETOHI
912# define PERL_NEED_MY_HTOLEL
913# define PERL_NEED_MY_LETOHL
914# define PERL_NEED_MY_HTOBEL
915# define PERL_NEED_MY_BETOHL
916/*----------------------------------------------------------------------------*/
917# endif /* end of byte-order macros */
918/*----------------------------------------------------------------------------*/
919
9c17f24a
NC		 920/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
921 at least on FreeBSD. YMMV, so experiment. */
922#ifndef PERL_ARENA_SIZE
923#define PERL_ARENA_SIZE 4080
924#endif
925
1109a392
MHM		 926#endif /* PERL_CORE */
927
bdf3085f
NC		 928/* We no longer default to creating a new SV for GvSV.
929 Do this before embed. */
930#ifndef PERL_CREATE_GVSV
7459f06b
NC		 931# ifndef PERL_DONT_CREATE_GVSV
932# define PERL_DONT_CREATE_GVSV
933# endif
bdf3085f
NC		 934#endif
935
ca0c25f6
NC		 936#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
937#define PERL_USES_PL_PIDSTATUS
938#endif
939
a62746fa
RGS		 940#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__) && !defined(MACOS_TRADITIONAL)
941#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
942#endif
943
66a93824
NIS		 944/* Cannot include embed.h here on Win32 as win32.h has not
945 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
946 */
96e176bf 947#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 948# include "embed.h"
eb8433b7
NC		 949# ifndef PERL_MAD
950# undef op_getmad
b3f24c00 951# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 952# endif
cea2e8a9
GS		 953#endif
954
c31fac66
GS		 955#define MEM_SIZE Size_t
956
1936d2a7
NC		 957/* Round all values passed to malloc up, by default to a multiple of
958 sizeof(size_t)
959*/
960#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
961#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
962#endif
963
51371543
GS		 964#if defined(STANDARD_C) && defined(I_STDDEF)
965# include <stddef.h>
966# define STRUCT_OFFSET(s,m) offsetof(s,m)
967#else
968# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
969#endif
970
9969cdde 971#ifndef __SYMBIAN32__
27da23d5
JH		 972# if defined(I_STRING) || defined(__cplusplus)
973# include <string.h>
974# else
975# include <strings.h>
976# endif
51371543
GS		 977#endif
978
55497cff 979/* This comes after <stdlib.h> so we don't try to change the standard
980 * library prototypes; we'll use our own in proto.h instead. */
03a14243 981
4633a7c4 982#ifdef MYMALLOC
86058a2d 983# ifdef PERL_POLLUTE_MALLOC
ee13e175 984# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 985# define Perl_malloc malloc
986# define Perl_calloc calloc
987# define Perl_realloc realloc
988# define Perl_mfree free
ee13e175 989# endif
86058a2d
GS		 990# else
991# define EMBEDMYMALLOC /* for compatibility */
992# endif
827e134a 993
651b9576
GS		 994# define safemalloc Perl_malloc
995# define safecalloc Perl_calloc
996# define saferealloc Perl_realloc
997# define safefree Perl_mfree
22f7c9c9
JH		 998# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
999 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1000 code; \
1001 } STMT_END
1002# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1003 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1004# define panic_write2(s) write(2, s, strlen(s))
1005# define CHECK_MALLOC_TAINT(newval) \
1006 CHECK_MALLOC_TOO_LATE_FOR_( \
1007 if (newval) { \
1008 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1009 exit(1); })
22f7c9c9 1010# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1011 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 1012 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1013 }} STMT_END;
f2517201
GS		 1014#else /* MYMALLOC */
1015# define safemalloc safesysmalloc
1016# define safecalloc safesyscalloc
1017# define saferealloc safesysrealloc
1018# define safefree safesysfree
22f7c9c9
JH		 1019# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1020# define CHECK_MALLOC_TAINT(newval) ((void)0)
1021# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1022#endif /* MYMALLOC */
4633a7c4 1023
27da23d5 1024#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		 1025#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1026#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1027#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1028
a0d0e21e
LW		 1029#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1030#define strchr index
1031#define strrchr rindex
1032#endif
1033
16d20bd9
AD		 1034#ifdef I_MEMORY
1035# include <memory.h>
1036#endif
1037
fe14fcc3 1038#ifdef HAS_MEMCPY
85e6fe83 1039# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1040# ifndef memcpy
20ce7b12 1041 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 1042# endif
1043# endif
1044#else
1045# ifndef memcpy
1046# ifdef HAS_BCOPY
1047# define memcpy(d,s,l) bcopy(s,d,l)
1048# else
1049# define memcpy(d,s,l) my_bcopy(s,d,l)
1050# endif
1051# endif
1052#endif /* HAS_MEMCPY */
fe14fcc3 1053
ee0007ab 1054#ifdef HAS_MEMSET
85e6fe83 1055# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1056# ifndef memset
20ce7b12 1057 extern char *memset (char*, int, int);
ee0007ab
LW		 1058# endif
1059# endif
ee0007ab 1060#else
12ae5dfc 1061# undef memset
fc36a67e 1062# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1063#endif /* HAS_MEMSET */
1064
85e6fe83 1065#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1066# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1067# define memmove(d,s,l) bcopy(s,d,l)
1068# else
2304df62 1069# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1070# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1071# else
79072805 1072# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1073# endif
352d5a3a 1074# endif
d9d8d8de 1075#endif
ee0007ab 1076
36477c24 1077#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1078# undef HAS_MEMCMP
1079#endif
1080
1081#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1082# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1083# ifndef memcmp
20ce7b12 1084 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1085# endif
1086# endif
36477c24 1087# ifdef BUGGY_MSC
7e4e8c89 1088# pragma function(memcmp)
36477c24 1089# endif
ee0007ab
LW		 1090#else
1091# ifndef memcmp
ecfc5424 1092# define memcmp my_memcmp
352d5a3a 1093# endif
36477c24 1094#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1095
fc36a67e 1096#ifndef memzero
c635e13b 1097# ifdef HAS_MEMSET
1098# define memzero(d,l) memset(d,0,l)
79072805 1099# else
c635e13b 1100# ifdef HAS_BZERO
1101# define memzero(d,l) bzero(d,l)
79072805 1102# else
fc36a67e 1103# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1104# endif
1105# endif
d9d8d8de 1106#endif
378cc40b 1107
2f42fcb0 1108#ifndef PERL_MICRO
0f27ced1
JH		 1109#ifndef memchr
1110# ifndef HAS_MEMCHR
1111# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1112# endif
1113#endif
2f42fcb0 1114#endif
0f27ced1 1115
36477c24 1116#ifndef HAS_BCMP
1117# ifndef bcmp
1118# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1119# endif
36477c24 1120#endif /* !HAS_BCMP */
378cc40b 1121
ae986130 1122#ifdef I_NETINET_IN
79072805 1123# include <netinet/in.h>
ae986130
LW		 1124#endif
1125
28e8609d
JH		 1126#ifdef I_ARPA_INET
1127# include <arpa/inet.h>
1128#endif
1129
84902520
TB		 1130#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1131/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1132 * (the neo-BSD seem to do this). */
1133# undef SF_APPEND
1134#endif
1135
1aef975c 1136#ifdef I_SYS_STAT
84902520 1137# include <sys/stat.h>
1aef975c 1138#endif
79072805 1139
a0d0e21e
LW		 1140/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1141 like UTekV) are broken, sometimes giving false positives. Undefine
1142 them here and let the code below set them to proper values.
1143
1144 The ghs macro stands for GreenHills Software C-1.8.5 which
1145 is the C compiler for sysV88 and the various derivatives.
1146 This header file bug is corrected in gcc-2.5.8 and later versions.
1147 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1148
1149#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1150# undef S_ISDIR
1151# undef S_ISCHR
1152# undef S_ISBLK
1153# undef S_ISREG
1154# undef S_ISFIFO
1155# undef S_ISLNK
ee0007ab 1156#endif
135863df 1157
663a0e37
LW		 1158#ifdef I_TIME
1159# include <time.h>
ffed7fef 1160#endif
663a0e37 1161
fe14fcc3 1162#ifdef I_SYS_TIME
85e6fe83 1163# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1164# define KERNEL
1165# endif
1166# include <sys/time.h>
85e6fe83 1167# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1168# undef KERNEL
1169# endif
a687059c 1170#endif
135863df 1171
55497cff 1172#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1173# include <sys/times.h>
d9d8d8de 1174#endif
8d063cd8 1175
fe14fcc3 1176#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1177# undef HAS_STRERROR
663a0e37
LW		 1178#endif
1179
1180#include <errno.h>
1e743fda 1181
acfe0abc 1182#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1183# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1184#endif
1185
8cfab5ff
JH		 1186/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1187 * This is important for using IPv6.
1188 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1189 * a bad idea since it breaks send() and recv(). */
1190#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1191# define _SOCKADDR_LEN
1192#endif
1193
8d3f517a 1194#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1195# include <sys/socket.h>
1196# if defined(USE_SOCKS) && defined(I_SOCKS)
1197# if !defined(INCLUDE_PROTOTYPES)
1198# define INCLUDE_PROTOTYPES /* for <socks.h> */
1199# define PERL_SOCKS_NEED_PROTOTYPES
1200# endif
1201# include <socks.h>
1202# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1203# undef INCLUDE_PROTOTYPES
1204# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1205# endif
d460ef45 1206# endif
1e743fda 1207# ifdef I_NETDB
2986a63f
JH		 1208# ifdef NETWARE
1209# include<stdio.h>
1210# endif
1e743fda
JH		 1211# include <netdb.h>
1212# endif
1213# ifndef ENOTSOCK
1214# ifdef I_NET_ERRNO
1215# include <net/errno.h>
1216# endif
1217# endif
1218#endif
1219
fa0a29af 1220/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1221 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1222 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1223#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1224# if defined(__THROW) && defined(__GLIBC__)
1225int sockatmark(int) __THROW;
1226# else
2ef53570 1227int sockatmark(int);
29820b6d 1228# endif
2ef53570
JH		 1229#endif
1230
7e827271 1231#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		 1232EXTERN_C int fchdir(int);
1233EXTERN_C int flock(int, int);
1234EXTERN_C int fseeko(FILE *, off_t, int);
1235EXTERN_C off_t ftello(FILE *);
1236#endif
1237
7e827271 1238#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1239EXTERN_C char *crypt(const char *, const char *);
7e827271 1240EXTERN_C char **environ;
1ccb7c8d
JH		 1241#endif
1242
83a6ff2e 1243#if defined(__cplusplus)
944c4fda 1244# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1245EXTERN_C char **environ;
83a6ff2e 1246# elif defined(__CYGWIN__)
667e2948
SP		 1247EXTERN_C char *crypt(const char *, const char *);
1248#endif
83a6ff2e 1249#endif
667e2948 1250
1e743fda
JH		 1251#ifdef SETERRNO
1252# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1253#endif
f86702cc 1254
1255#ifdef VMS
1256# define SETERRNO(errcode,vmserrcode) \
1257 STMT_START { \
1258 set_errno(errcode); \
1259 set_vaxc_errno(vmserrcode); \
1260 } STMT_END
93189314
JH		 1261# define LIB_INVARG LIB$_INVARG
1262# define RMS_DIR RMS$_DIR
1263# define RMS_FAC RMS$_FAC
1264# define RMS_FEX RMS$_FEX
1265# define RMS_FNF RMS$_FNF
1266# define RMS_IFI RMS$_IFI
1267# define RMS_ISI RMS$_ISI
1268# define RMS_PRV RMS$_PRV
1269# define SS_ACCVIO SS$_ACCVIO
1270# define SS_DEVOFFLINE SS$_DEVOFFLINE
1271# define SS_IVCHAN SS$_IVCHAN
1272# define SS_NORMAL SS$_NORMAL
748a9306 1273#else
aba27d88 1274# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 1275# define LIB_INVARG 0
1276# define RMS_DIR 0
1277# define RMS_FAC 0
1278# define RMS_FEX 0
1279# define RMS_FNF 0
1280# define RMS_IFI 0
1281# define RMS_ISI 0
1282# define RMS_PRV 0
1283# define SS_ACCVIO 0
1284# define SS_DEVOFFLINE 0
1285# define SS_IVCHAN 0
1286# define SS_NORMAL 0
748a9306 1287#endif
ed6116ce 1288
3db8f154 1289#define ERRSV GvSV(PL_errgv)
e203899d
NC		 1290/* FIXME? Change the assignments to PL_defgv to instantiate GvSV? */
1291#define DEFSV GvSVn(PL_defgv)
3db8f154 1292#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1293
98eae8f5
GS		 1294#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1295
55497cff 1296#ifndef errno
5ff3f7a4
GS		 1297 extern int errno; /* ANSI allows errno to be an lvalue expr.
1298 * For example in multithreaded environments
1299 * something like this might happen:
1300 * extern int *_errno(void);
1301 * #define errno (*_errno()) */
d9d8d8de 1302#endif
663a0e37 1303
2304df62 1304#ifdef HAS_STRERROR
a0d0e21e 1305# ifdef VMS
20ce7b12 1306 char *strerror (int,...);
a0d0e21e 1307# else
68dc0745 1308#ifndef DONT_DECLARE_STD
20ce7b12 1309 char *strerror (int);
68dc0745 1310#endif
a0d0e21e 1311# endif
2304df62
AD		 1312# ifndef Strerror
1313# define Strerror strerror
1314# endif
1315#else
1316# ifdef HAS_SYS_ERRLIST
79072805
LW		 1317 extern int sys_nerr;
1318 extern char *sys_errlist[];
2304df62
AD		 1319# ifndef Strerror
1320# define Strerror(e) \
79072805 1321 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1322# endif
79072805 1323# endif
35c8bce7 1324#endif
663a0e37 1325
2304df62 1326#ifdef I_SYS_IOCTL
79072805
LW		 1327# ifndef _IOCTL_
1328# include <sys/ioctl.h>
1329# endif
a687059c
LW		 1330#endif
1331
ee0007ab 1332#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1333# ifdef HAS_SOCKETPAIR
1334# undef HAS_SOCKETPAIR
1335# endif
2304df62
AD		 1336# ifdef I_NDBM
1337# undef I_NDBM
79072805 1338# endif
a687059c
LW		 1339#endif
1340
02fc2eee
NC		 1341#ifndef HAS_SOCKETPAIR
1342# ifdef HAS_SOCKET
1343# define socketpair Perl_my_socketpair
1344# endif
1345#endif
1346
a687059c 1347#if INTSIZE == 2
79072805
LW		 1348# define htoni htons
1349# define ntohi ntohs
a687059c 1350#else
79072805
LW		 1351# define htoni htonl
1352# define ntohi ntohl
a687059c
LW		 1353#endif
1354
a0d0e21e 1355/* Configure already sets Direntry_t */
35c8bce7 1356#if defined(I_DIRENT)
663a0e37 1357# include <dirent.h>
8f1f23e8
W		 1358 /* NeXT needs dirent + sys/dir.h */
1359# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1360# include <sys/dir.h>
1361# endif
ae986130 1362#else
fe14fcc3 1363# ifdef I_SYS_NDIR
79a0689e 1364# include <sys/ndir.h>
663a0e37 1365# else
fe14fcc3 1366# ifdef I_SYS_DIR
79a0689e
LW		 1367# ifdef hp9000s500
1368# include <ndir.h> /* may be wrong in the future */
1369# else
1370# include <sys/dir.h>
1371# endif
663a0e37
LW		 1372# endif
1373# endif
4633a7c4 1374#endif
a687059c 1375
12ae5dfc
JH		 1376#ifdef PERL_MICRO
1377# ifndef DIR
1378# define DIR void
1379# endif
1380#endif
1381
352d5a3a
LW		 1382#ifdef FPUTS_BOTCH
1383/* work around botch in SunOS 4.0.1 and 4.0.2 */
1384# ifndef fputs
79072805 1385# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1386# endif
1387#endif
1388
c623bd54
LW		 1389/*
1390 * The following gobbledygook brought to you on behalf of __STDC__.
1391 * (I could just use #ifndef __STDC__, but this is more bulletproof
1392 * in the face of half-implementations.)
1393 */
1394
7114a2d2 1395#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1396#include <sys/mode.h>
1397#endif
1398
c623bd54
LW		 1399#ifndef S_IFMT
1400# ifdef _S_IFMT
1401# define S_IFMT _S_IFMT
1402# else
1403# define S_IFMT 0170000
1404# endif
1405#endif
1406
1407#ifndef S_ISDIR
1408# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1409#endif
1410
1411#ifndef S_ISCHR
1412# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1413#endif
1414
1415#ifndef S_ISBLK
fe14fcc3
LW		 1416# ifdef S_IFBLK
1417# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1418# else
1419# define S_ISBLK(m) (0)
1420# endif
c623bd54
LW		 1421#endif
1422
1423#ifndef S_ISREG
1424# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1425#endif
1426
1427#ifndef S_ISFIFO
fe14fcc3
LW		 1428# ifdef S_IFIFO
1429# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1430# else
1431# define S_ISFIFO(m) (0)
1432# endif
c623bd54
LW		 1433#endif
1434
1435#ifndef S_ISLNK
1436# ifdef _S_ISLNK
1437# define S_ISLNK(m) _S_ISLNK(m)
1438# else
1439# ifdef _S_IFLNK
1440# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1441# else
1442# ifdef S_IFLNK
1443# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1444# else
1445# define S_ISLNK(m) (0)
1446# endif
1447# endif
1448# endif
1449#endif
1450
1451#ifndef S_ISSOCK
1452# ifdef _S_ISSOCK
1453# define S_ISSOCK(m) _S_ISSOCK(m)
1454# else
1455# ifdef _S_IFSOCK
1456# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1457# else
1458# ifdef S_IFSOCK
1459# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1460# else
1461# define S_ISSOCK(m) (0)
1462# endif
1463# endif
1464# endif
1465#endif
1466
1467#ifndef S_IRUSR
1468# ifdef S_IREAD
1469# define S_IRUSR S_IREAD
1470# define S_IWUSR S_IWRITE
1471# define S_IXUSR S_IEXEC
1472# else
1473# define S_IRUSR 0400
1474# define S_IWUSR 0200
1475# define S_IXUSR 0100
1476# endif
fac7cdfc
JS		 1477#endif
1478
1479#ifndef S_IRGRP
1480# ifdef S_IRUSR
1481# define S_IRGRP (S_IRUSR>>3)
1482# define S_IWGRP (S_IWUSR>>3)
1483# define S_IXGRP (S_IXUSR>>3)
1484# else
1485# define S_IRGRP 0040
1486# define S_IWGRP 0020
1487# define S_IXGRP 0010
1488# endif
1489#endif
1490
1491#ifndef S_IROTH
1492# ifdef S_IRUSR
1493# define S_IROTH (S_IRUSR>>6)
1494# define S_IWOTH (S_IWUSR>>6)
1495# define S_IXOTH (S_IXUSR>>6)
1496# else
1497# define S_IROTH 0040
1498# define S_IWOTH 0020
1499# define S_IXOTH 0010
1500# endif
c623bd54
LW		 1501#endif
1502
1503#ifndef S_ISUID
1504# define S_ISUID 04000
1505#endif
1506
1507#ifndef S_ISGID
1508# define S_ISGID 02000
1509#endif
1510
ca6e1c26
JH		 1511#ifndef S_IRWXU
1512# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1513#endif
ca6e1c26
JH		 1514
1515#ifndef S_IRWXG
1516# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1517#endif
ca6e1c26
JH		 1518
1519#ifndef S_IRWXO
1520# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1521#endif
ca6e1c26 1522
c21fb2b8
JH		 1523/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1524 * which would get included through <sys/file.h >, but that is 3000
1525 * lines in the future. --jhi */
1526
1527#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 1528# define S_IREAD S_IRUSR
1529#endif
1530
c21fb2b8 1531#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1532# define S_IWRITE S_IWUSR
1533#endif
1534
1535#ifndef S_IEXEC
1536# define S_IEXEC S_IXUSR
1537#endif
1538
79072805
LW		 1539#ifdef ff_next
1540# undef ff_next
352d5a3a
LW		 1541#endif
1542
a0d0e21e 1543#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1544# define SLOPPYDIVIDE
1545#endif
1546
748a9306
LW		 1547#ifdef UV
1548#undef UV
1549#endif
1550
c89df6bf
JH		 1551#ifdef SPRINTF_E_BUG
1552# define sprintf UTS_sprintf_wrap
1553#endif
1554
ce582cee
NC		 1555/* For the times when you want the return value of sprintf, and you want it
1556 to be the length. Can't have a thread variable passed in, because C89 has
1557 no varargs macros.
1558*/
1559#ifdef SPRINTF_RETURNS_STRLEN
1560# define my_sprintf sprintf
1561#else
1562# define my_sprintf Perl_my_sprintf
1563#endif
1564
5b692037
JH		 1565/*
1566 * If we have v?snprintf() and the C99 variadic macros, we can just
1567 * use just the v?snprintf(). It is nice to try to trap the buffer
1568 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1569 * gcc statement expressions, then use the function wrappers which try
1570 * to trap the overflow. If we can use the gcc statement expressions,
1571 * we can try that even with the version that uses the C99 variadic
1572 * macros.
5b692037
JH		 1573 */
1574
1208b3dd
JH		 1575/* Note that we do not check against snprintf()/vsnprintf() returning
1576 * negative values because that is non-standard behaviour and we use
1577 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1578 * that should be true only if the snprintf()/vsnprintf() are true
1579 * to the standard. */
1580
dfeee9b1 1581#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1582# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1583# 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 1584# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1585# else
1586# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1587# endif
1588#else
1589# define my_snprintf Perl_my_snprintf
1208b3dd 1590# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1591#endif
1592
dfeee9b1 1593#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1594# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1595# 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 1596# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1597# else
1598# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1599# endif
1600#else
1601# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1602# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1603#endif
d9fad198 1604
a6cc4119
SP		 1605#ifdef HAS_STRLCAT
1606# define my_strlcat strlcat
1607#else
1608# define my_strlcat Perl_my_strlcat
1609#endif
1610
1611#ifdef HAS_STRLCPY
1612# define my_strlcpy strlcpy
1613#else
1614# define my_strlcpy Perl_my_strlcpy
1615#endif
1616
c495e728
JH		 1617/* Configure gets this right but the UTS compiler gets it wrong.
1618 -- Hal Morris <hom00@utsglobal.com> */
1619#ifdef UTS
1620# undef UVTYPE
1621# define UVTYPE unsigned
1622#endif
1623
05f13f53 1624/*
27d4fb96 1625 The IV type is supposed to be long enough to hold any integral
1626 value or a pointer.
1627 --Andy Dougherty August 1996
1628*/
1629
a22e52b9
JH		 1630typedef IVTYPE IV;
1631typedef UVTYPE UV;
8175356b 1632
10cc9d2a 1633#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1634# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1635# define IV_MAX INT64_MAX
1636# define IV_MIN INT64_MIN
1637# define UV_MAX UINT64_MAX
cae7ae48
JH		 1638# ifndef UINT64_MIN
1639# define UINT64_MIN 0
1640# endif
5ff3f7a4
GS		 1641# define UV_MIN UINT64_MIN
1642# else
1643# define IV_MAX PERL_QUAD_MAX
1644# define IV_MIN PERL_QUAD_MIN
1645# define UV_MAX PERL_UQUAD_MAX
1646# define UV_MIN PERL_UQUAD_MIN
1647# endif
cf2093f6
JH		 1648# define IV_IS_QUAD
1649# define UV_IS_QUAD
79072805 1650#else
8175356b 1651# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1652# define IV_MAX INT32_MAX
1653# define IV_MIN INT32_MIN
716026f9
DL		 1654# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1655# define UV_MAX UINT32_MAX
1656# else
1657# define UV_MAX 4294967295U
1658# endif
cae7ae48
JH		 1659# ifndef UINT32_MIN
1660# define UINT32_MIN 0
1661# endif
5ff3f7a4
GS		 1662# define UV_MIN UINT32_MIN
1663# else
1664# define IV_MAX PERL_LONG_MAX
1665# define IV_MIN PERL_LONG_MIN
1666# define UV_MAX PERL_ULONG_MAX
1667# define UV_MIN PERL_ULONG_MIN
1668# endif
8175356b 1669# if IVSIZE == 8
cf2093f6
JH		 1670# define IV_IS_QUAD
1671# define UV_IS_QUAD
de1c2614
JH		 1672# ifndef HAS_QUAD
1673# define HAS_QUAD
1674# endif
cf2093f6
JH		 1675# else
1676# undef IV_IS_QUAD
1677# undef UV_IS_QUAD
de1c2614 1678# undef HAS_QUAD
cf2093f6 1679# endif
79072805 1680#endif
d7d93a81 1681
1109a392
MHM		 1682#ifndef HAS_QUAD
1683# undef PERL_NEED_MY_HTOLE64
1684# undef PERL_NEED_MY_LETOH64
1685# undef PERL_NEED_MY_HTOBE64
1686# undef PERL_NEED_MY_BETOH64
1687#endif
1688
6cde8aec 1689#if defined(uts) || defined(UTS)
11afe549
HM		 1690# undef UV_MAX
1691# define UV_MAX (4294967295u)
20601011
JH		 1692#endif
1693
cae7ae48 1694#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1695#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1696
28e5dec8 1697#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1698#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1699#endif
1700
d460ef45 1701/*
26bb67e2
JH		 1702 * The macros INT2PTR and NUM2PTR are (despite their names)
1703 * bi-directional: they will convert int/float to or from pointers.
1704 * However the conversion to int/float are named explicitly:
1705 * PTR2IV, PTR2UV, PTR2NV.
1706 *
1707 * For int conversions we do not need two casts if pointers are
1708 * the same size as IV and UV. Otherwise we need an explicit
1709 * cast (PTRV) to avoid compiler warnings.
1710 */
56431972
RB		 1711#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1712# define PTRV UV
1713# define INT2PTR(any,d) (any)(d)
1714#else
d460ef45 1715# if PTRSIZE == LONGSIZE
56431972 1716# define PTRV unsigned long
e91e3b10 1717# define PTR2ul(p) (unsigned long)(p)
42718184 1718# else
56431972 1719# define PTRV unsigned
42718184 1720# endif
e91e3b10
RB		 1721#endif
1722
1723#ifndef INT2PTR
56431972 1724# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1725#endif
e91e3b10
RB		 1726
1727#ifndef PTR2ul
1728# define PTR2ul(p) INT2PTR(unsigned long,p)
1729#endif
1730
56431972
RB		 1731#define NUM2PTR(any,d) (any)(PTRV)(d)
1732#define PTR2IV(p) INT2PTR(IV,p)
1733#define PTR2UV(p) INT2PTR(UV,p)
1734#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1735#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1736
8141890a
JH		 1737/* According to strict ANSI C89 one cannot freely cast between
1738 * data pointers and function (code) pointers. There are at least
1739 * two ways around this. One (used below) is to do two casts,
1740 * first the other pointer to an (unsigned) integer, and then
1741 * the integer to the other pointer. The other way would be
1742 * to use unions to "overlay" the pointers. For an example of
1743 * the latter technique, see union dirpu in struct xpvio in sv.h.
1744 * The only feasible use is probably temporarily storing
1745 * function pointers in a data pointer (such as a void pointer). */
1746
e91e3b10
RB		 1747#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1748#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1749
65202027 1750#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1751# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1752# define LONG_DOUBLE_EQUALS_DOUBLE
1753# endif
68d4903c 1754# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1755# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1756# endif
1757#endif
1758
2d4389e4
JH		 1759#ifdef OVR_DBL_DIG
1760/* Use an overridden DBL_DIG */
1761# ifdef DBL_DIG
1762# undef DBL_DIG
1763# endif
1764# define DBL_DIG OVR_DBL_DIG
1765#else
1766/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1767 default value for printing floating point numbers in Gconvert
1768 (see config.h). (It also has other uses, such as figuring out if
1769 a given precision of printing can be done with a double instead of
1770 a long double - Allen).
2d4389e4
JH		 1771*/
1772#ifdef I_LIMITS
1773#include <limits.h>
1774#endif
1775#ifdef I_FLOAT
1776#include <float.h>
1777#endif
1778#ifndef HAS_DBL_DIG
1779#define DBL_DIG 15 /* A guess that works lots of places */
1780#endif
1781#endif
1782
1783#ifdef OVR_LDBL_DIG
1784/* Use an overridden LDBL_DIG */
1785# ifdef LDBL_DIG
1786# undef LDBL_DIG
1787# endif
1788# define LDBL_DIG OVR_LDBL_DIG
1789#else
1790/* The following is all to get LDBL_DIG, in order to pick a nice
1791 default value for printing floating point numbers in Gconvert.
1792 (see config.h)
1793*/
68d4903c
JH		 1794# ifdef I_LIMITS
1795# include <limits.h>
1796# endif
1797# ifdef I_FLOAT
1798# include <float.h>
1799# endif
1800# ifndef HAS_LDBL_DIG
1801# if LONG_DOUBLESIZE == 10
1802# define LDBL_DIG 18 /* assume IEEE */
1803# else
1804# if LONG_DOUBLESIZE == 12
1805# define LDBL_DIG 18 /* gcc? */
1806# else
1807# if LONG_DOUBLESIZE == 16
1808# define LDBL_DIG 33 /* assume IEEE */
1809# else
1810# if LONG_DOUBLESIZE == DOUBLESIZE
1811# define LDBL_DIG DBL_DIG /* bummer */
1812# endif
1813# endif
1814# endif
1815# endif
1816# endif
2d4389e4
JH		 1817#endif
1818
20f6aaab
AS		 1819/*
1820 * This is for making sure we have a good DBL_MAX value, if possible,
1821 * either for usage as NV_MAX or for usage in figuring out if we can
1822 * fit a given long double into a double, if bug-fixing makes it
1823 * necessary to do so. - Allen <allens@cpan.org>
1824 */
1825
205f51d8
AS		 1826#ifdef I_LIMITS
1827# include <limits.h>
20f6aaab
AS		 1828#endif
1829
205f51d8
AS		 1830#ifdef I_VALUES
1831# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1832# include <values.h>
1833# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1834# define DBL_MAX MAXDOUBLE
1835# endif
1836# if defined(MINDOUBLE) && !defined(DBL_MIN)
1837# define DBL_MIN MINDOUBLE
1838# endif
1839# endif
1840#endif /* defined(I_VALUES) */
1841
a22e52b9 1842typedef NVTYPE NV;
8175356b 1843
792d8dab
JH		 1844#ifdef I_IEEEFP
1845# include <ieeefp.h>
1846#endif
923fc586 1847
65202027 1848#ifdef USE_LONG_DOUBLE
923fc586
JH		 1849# ifdef I_SUNMATH
1850# include <sunmath.h>
1851# endif
2d4389e4 1852# define NV_DIG LDBL_DIG
d6c14000
JH		 1853# ifdef LDBL_MANT_DIG
1854# define NV_MANT_DIG LDBL_MANT_DIG
1855# endif
06fc1729
JH		 1856# ifdef LDBL_MIN
1857# define NV_MIN LDBL_MIN
1858# endif
1859# ifdef LDBL_MAX
1860# define NV_MAX LDBL_MAX
1861# endif
1862# ifdef LDBL_MIN_10_EXP
1863# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1864# endif
1865# ifdef LDBL_MAX_10_EXP
1866# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1867# endif
1868# ifdef LDBL_EPSILON
1869# define NV_EPSILON LDBL_EPSILON
1870# endif
f4a14a62
JH		 1871# ifdef LDBL_MAX
1872# define NV_MAX LDBL_MAX
20f6aaab 1873/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1874# else
1875# ifdef HUGE_VALL
1876# define NV_MAX HUGE_VALL
1877# else
1878# ifdef HUGE_VAL
1879# define NV_MAX ((NV)HUGE_VAL)
1880# endif
1881# endif
1882# endif
68d4903c 1883# ifdef HAS_SQRTL
68d4903c
JH		 1884# define Perl_cos cosl
1885# define Perl_sin sinl
1886# define Perl_sqrt sqrtl
1887# define Perl_exp expl
1888# define Perl_log logl
1889# define Perl_atan2 atan2l
1890# define Perl_pow powl
1891# define Perl_floor floorl
1bbae031 1892# define Perl_ceil ceill
68d4903c
JH		 1893# define Perl_fmod fmodl
1894# endif
a3540c92
JH		 1895/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1896# ifdef HAS_MODFL
1897# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1898/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1899 prototype in <math.h> */
1900# ifndef HAS_MODFL_PROTO
a221a8a5 1901EXTERN_C long double modfl(long double, long double *);
51997bc3 1902# endif
03476e8e
JH		 1903# else
1904# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1905 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1906# define Perl_modf(x,y) Perl_my_modfl(x,y)
1907# endif
a3540c92
JH		 1908# endif
1909# ifdef HAS_FREXPL
dff3e0b8 1910# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1911# else
1912# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1913 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1914# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1915# endif
a3540c92 1916# endif
38dbb4c5 1917# ifndef Perl_isnan
758a5d79
JH		 1918# ifdef HAS_ISNANL
1919# define Perl_isnan(x) isnanl(x)
1920# endif
1921# endif
1922# ifndef Perl_isinf
1923# ifdef HAS_FINITEL
1924# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1925# endif
1926# endif
65202027 1927#else
2d4389e4 1928# define NV_DIG DBL_DIG
d6c14000
JH		 1929# ifdef DBL_MANT_DIG
1930# define NV_MANT_DIG DBL_MANT_DIG
1931# endif
06fc1729
JH		 1932# ifdef DBL_MIN
1933# define NV_MIN DBL_MIN
1934# endif
1935# ifdef DBL_MAX
1936# define NV_MAX DBL_MAX
1937# endif
1938# ifdef DBL_MIN_10_EXP
1939# define NV_MIN_10_EXP DBL_MIN_10_EXP
1940# endif
1941# ifdef DBL_MAX_10_EXP
1942# define NV_MAX_10_EXP DBL_MAX_10_EXP
1943# endif
1944# ifdef DBL_EPSILON
1945# define NV_EPSILON DBL_EPSILON
1946# endif
205f51d8 1947# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1948# define NV_MAX DBL_MAX
1949# define NV_MIN DBL_MIN
1950# else
1951# ifdef HUGE_VAL
1952# define NV_MAX HUGE_VAL
1953# endif
1954# endif
65202027
DS		 1955# define Perl_cos cos
1956# define Perl_sin sin
1957# define Perl_sqrt sqrt
1958# define Perl_exp exp
1959# define Perl_log log
1960# define Perl_atan2 atan2
1961# define Perl_pow pow
1962# define Perl_floor floor
1bbae031 1963# define Perl_ceil ceil
65202027 1964# define Perl_fmod fmod
a3540c92 1965# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1966# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1967#endif
1968
1969/* rumor has it that Win32 has _fpclass() */
1970
205f51d8
AS		 1971/* SGI has fpclassl... but not with the same result values,
1972 * and it's via a typedef (not via #define), so will need to redo Configure
1973 * to use. Not worth the trouble, IMO, at least until the below is used
1974 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1975 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1976 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1977
758a5d79
JH		 1978#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1979# ifdef I_IEEFP
1980# include <ieeefp.h>
1981# endif
1982# ifdef I_FP
1983# include <fp.h>
1984# endif
1985# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1986# define Perl_fp_class() fpclassl(x)
1987# else
1988# define Perl_fp_class() fpclass(x)
1989# endif
1990# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1991# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1992# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1993# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1994# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1995# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1996# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1997# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1998# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1999# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2000# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2001# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2002# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2003# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2004# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2005#endif
2006
7114a2d2 2007#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2008# include <math.h>
2009# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2010# include <fp_class.h>
2011# endif
2012# define Perl_fp_class(x) fp_class(x)
2013# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2014# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2015# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2016# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2017# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2018# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2019# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2020# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2021# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2022# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2023# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2024# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2025# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2026# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2027# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2028#endif
2029
2030#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2031# include <math.h>
2032# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2033# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2034# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2035# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2036# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2037# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2038#endif
2039
2040#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2041# include <math.h>
2042# ifndef _cplusplus
2043# define Perl_fp_class(x) class(x)
2044# else
2045# define Perl_fp_class(x) _class(x)
2046# endif
2047# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2048# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2049# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2050# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2051# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2052# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2053# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2054# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2055# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2056# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2057# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2058# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2059# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2060# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2061# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2062#endif
2063
2064/* rumor has it that Win32 has _isnan() */
2065
2066#ifndef Perl_isnan
a3540c92 2067# ifdef HAS_ISNAN
758a5d79
JH		 2068# define Perl_isnan(x) isnan((NV)x)
2069# else
2070# ifdef Perl_fp_class_nan
2071# define Perl_isnan(x) Perl_fp_class_nan(x)
2072# else
2073# ifdef HAS_UNORDERED
2074# define Perl_isnan(x) unordered((x), 0.0)
2075# else
2076# define Perl_isnan(x) ((x)!=(x))
2077# endif
2078# endif
2079# endif
2080#endif
2081
ca6c63e1
JH		 2082#ifdef UNDER_CE
2083int isnan(double d);
2084#endif
2085
758a5d79
JH		 2086#ifndef Perl_isinf
2087# ifdef HAS_ISINF
2088# define Perl_isinf(x) isinf((NV)x)
a3540c92 2089# else
758a5d79
JH		 2090# ifdef Perl_fp_class_inf
2091# define Perl_isinf(x) Perl_fp_class_inf(x)
2092# else
2093# define Perl_isinf(x) ((x)==NV_INF)
2094# endif
2095# endif
2096#endif
2097
2098#ifndef Perl_isfinite
2099# ifdef HAS_FINITE
2100# define Perl_isfinite(x) finite((NV)x)
2101# else
2102# ifdef HAS_ISFINITE
2103# define Perl_isfinite(x) isfinite(x)
2104# else
2105# ifdef Perl_fp_class_finite
2106# define Perl_isfinite(x) Perl_fp_class_finite(x)
2107# else
2108# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2109# endif
2110# endif
a3540c92 2111# endif
65202027
DS		 2112#endif
2113
a36244b7
JH		 2114/* The default is to use Perl's own atof() implementation (in numeric.c).
2115 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2116 * it is however best to use the native implementation of atof.
2117 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2118 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2119 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2120 * you may need to be using a different function than atof! */
a36244b7
JH		 2121
2122#ifndef USE_PERL_ATOF
2123# ifndef _UNICOS
2124# define USE_PERL_ATOF
2125# endif
2126#else
2127# if USE_PERL_ATOF == 0
2128# undef USE_PERL_ATOF
2129# endif
2130#endif
2131
2132#ifdef USE_PERL_ATOF
2133# define Perl_atof(s) Perl_my_atof(s)
2134# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2135#else
2136# define Perl_atof(s) (NV)atof(s)
2137# define Perl_atof2(s, n) ((n) = atof(s))
2138#endif
cf2093f6 2139
d460ef45 2140/* Previously these definitions used hardcoded figures.
760ac839
LW		 2141 * It is hoped these formula are more portable, although
2142 * no data one way or another is presently known to me.
2143 * The "PERL_" names are used because these calculated constants
2144 * do not meet the ANSI requirements for LONG_MAX, etc., which
2145 * need to be constants acceptable to #if - kja
2146 * define PERL_LONG_MAX 2147483647L
2147 * define PERL_LONG_MIN (-LONG_MAX - 1)
2148 * define PERL ULONG_MAX 4294967295L
2149 */
2150
2151#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2152# include <limits.h>
760ac839 2153#endif
205f51d8
AS		 2154/* Included values.h above if necessary; still including limits.h down here,
2155 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2156
99abf803 2157/*
2158 * Try to figure out max and min values for the integral types. THE CORRECT
2159 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2160 * following hacks are used if neither limits.h or values.h provide them:
2161 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2162 * for types < int: (unsigned TYPE)~(unsigned)0
2163 * The argument to ~ must be unsigned so that later signed->unsigned
2164 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2165 * and it must not be smaller than int because ~ does integral promotion.
2166 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2167 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2168 * The latter is a hack which happens to work on some machines but
2169 * does *not* catch any random system, or things like integer types
2170 * with NaN if that is possible.
2171 *
2172 * All of the types are explicitly cast to prevent accidental loss of
2173 * numeric range, and in the hope that they will be less likely to confuse
2174 * over-eager optimizers.
2175 *
2176 */
27d4fb96 2177
99abf803 2178#define PERL_UCHAR_MIN ((unsigned char)0)
2179
2180#ifdef UCHAR_MAX
2181# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2182#else
99abf803 2183# ifdef MAXUCHAR
2184# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2185# else
99abf803 2186# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2187# endif
2188#endif
d460ef45 2189
99abf803 2190/*
2191 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2192 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2193 * depending on local options. Until Configure detects this (or at least
2194 * detects whether the "signed" keyword is available) the CHAR ranges
2195 * will not be included. UCHAR functions normally.
2196 * - kja
2197 */
27d4fb96 2198
99abf803 2199#define PERL_USHORT_MIN ((unsigned short)0)
2200
2201#ifdef USHORT_MAX
2202# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2203#else
99abf803 2204# ifdef MAXUSHORT
2205# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2206# else
ef2f54b0
CB		 2207# ifdef USHRT_MAX
2208# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2209# else
2210# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2211# endif
27d4fb96 2212# endif
2213#endif
2214
27d4fb96 2215#ifdef SHORT_MAX
99abf803 2216# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2217#else
2218# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2219# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2220# else
ef2f54b0
CB		 2221# ifdef SHRT_MAX
2222# define PERL_SHORT_MAX ((short)SHRT_MAX)
2223# else
2224# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2225# endif
27d4fb96 2226# endif
2227#endif
2228
2229#ifdef SHORT_MIN
99abf803 2230# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2231#else
2232# ifdef MINSHORT
99abf803 2233# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2234# else
ef2f54b0
CB		 2235# ifdef SHRT_MIN
2236# define PERL_SHORT_MIN ((short)SHRT_MIN)
2237# else
2238# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2239# endif
27d4fb96 2240# endif
2241#endif
2242
99abf803 2243#ifdef UINT_MAX
2244# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2245#else
99abf803 2246# ifdef MAXUINT
2247# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2248# else
99abf803 2249# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2250# endif
2251#endif
2252
99abf803 2253#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2254
2255#ifdef INT_MAX
99abf803 2256# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2257#else
2258# ifdef MAXINT /* Often used in <values.h> */
99abf803 2259# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2260# else
99abf803 2261# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2262# endif
2263#endif
2264
2265#ifdef INT_MIN
99abf803 2266# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2267#else
2268# ifdef MININT
99abf803 2269# define PERL_INT_MIN ((int)MININT)
27d4fb96 2270# else
2271# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2272# endif
2273#endif
2274
99abf803 2275#ifdef ULONG_MAX
2276# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2277#else
99abf803 2278# ifdef MAXULONG
2279# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2280# else
99abf803 2281# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2282# endif
2283#endif
2284
99abf803 2285#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2286
760ac839 2287#ifdef LONG_MAX
99abf803 2288# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2289#else
2290# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2291# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2292# else
99abf803 2293# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2294# endif
2295#endif
2296
2297#ifdef LONG_MIN
99abf803 2298# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2299#else
2300# ifdef MINLONG
99abf803 2301# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2302# else
27d4fb96 2303# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2304# endif
2305#endif
2306
d7d93a81 2307#ifdef UV_IS_QUAD
99abf803 2308
99abf803 2309# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2310# define PERL_UQUAD_MIN ((UV)0)
99abf803 2311# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2312# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2313
79072805
LW		 2314#endif
2315
22f7c9c9
JH		 2316#ifdef MYMALLOC
2317# include "malloc_ctl.h"
2318#endif
2319
830247a4 2320struct RExC_state_t;
8e11feef 2321struct _reg_trie_data;
880b20b6 2322
ee0007ab 2323typedef MEM_SIZE STRLEN;
450a55e4 2324
598921a7
NC		 2325#ifdef PERL_MAD
2326typedef struct token TOKEN;
2327typedef struct madprop MADPROP;
2328typedef struct nexttoken NEXTTOKE;
2329#endif
79072805
LW		 2330typedef struct op OP;
2331typedef struct cop COP;
2332typedef struct unop UNOP;
2333typedef struct binop BINOP;
2334typedef struct listop LISTOP;
2335typedef struct logop LOGOP;
79072805
LW		 2336typedef struct pmop PMOP;
2337typedef struct svop SVOP;
7934575e 2338typedef struct padop PADOP;
79072805 2339typedef struct pvop PVOP;
79072805
LW		 2340typedef struct loop LOOP;
2341
cd1541b2
NC		 2342typedef struct interpreter PerlInterpreter;
2343
d2b3f365
SS		 2344/* Amdahl's <ksync.h> has struct sv */
2345/* SGI's <sys/sema.h> has struct sv */
2346#if defined(UTS) || defined(__sgi)
2347# define STRUCT_SV perl_sv
b8d3c5db
JH		 2348#else
2349# define STRUCT_SV sv
2350#endif
2351typedef struct STRUCT_SV SV;
79072805
LW		 2352typedef struct av AV;
2353typedef struct hv HV;
2354typedef struct cv CV;
378cc40b 2355typedef struct regexp REGEXP;
79072805 2356typedef struct gp GP;
0c30d9ec 2357typedef struct gv GV;
8990e307 2358typedef struct io IO;
c09156bb 2359typedef struct context PERL_CONTEXT;
79072805
LW		 2360typedef struct block BLOCK;
2361
2362typedef struct magic MAGIC;
2363typedef struct xpv XPV;
2364typedef struct xpviv XPVIV;
ff68c719 2365typedef struct xpvuv XPVUV;
79072805
LW		 2366typedef struct xpvnv XPVNV;
2367typedef struct xpvmg XPVMG;
2368typedef struct xpvlv XPVLV;
2369typedef struct xpvav XPVAV;
2370typedef struct xpvhv XPVHV;
2371typedef struct xpvgv XPVGV;
2372typedef struct xpvcv XPVCV;
2373typedef struct xpvbm XPVBM;
2374typedef struct xpvfm XPVFM;
8990e307 2375typedef struct xpvio XPVIO;
79072805
LW		 2376typedef struct mgvtbl MGVTBL;
2377typedef union any ANY;
5f7fde29
GS		 2378typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2379typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2380typedef struct clone_params CLONE_PARAMS;
2381
378cc40b 2382#include "handy.h"
a0d0e21e 2383
6b8eaf93 2384#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2385# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2386# define USE_64_BIT_RAWIO /* implicit */
2387# endif
4564133c
JH		 2388#endif
2389
6b8eaf93
JH		 2390/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2391 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2392 * however, because operating systems like to do that themself. */
2393#ifndef FSEEKSIZE
2394# ifdef HAS_FSEEKO
2395# define FSEEKSIZE LSEEKSIZE
2396# else
2397# define FSEEKSIZE LONGSIZE
d460ef45 2398# endif
6b8eaf93
JH		 2399#endif
2400
2401#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2402# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2403# define USE_64_BIT_STDIO /* implicit */
2404# endif
2405#endif
4564133c 2406
09458382 2407#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2408# ifdef HAS_OFF64_T
2409# undef Off_t
2410# define Off_t off64_t
2411# undef LSEEKSIZE
2412# define LSEEKSIZE 8
5ff3f7a4 2413# endif
d9b3e12d
JH		 2414/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2415 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2416 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2417# if defined(USE_OPEN64)
2418# define open open64
5ff3f7a4 2419# endif
d9b3e12d
JH		 2420# if defined(USE_LSEEK64)
2421# define lseek lseek64
6b8eaf93
JH		 2422# else
2423# if defined(USE_LLSEEK)
2424# define lseek llseek
2425# endif
d9b3e12d
JH		 2426# endif
2427# if defined(USE_STAT64)
2428# define stat stat64
2429# endif
2430# if defined(USE_FSTAT64)
2431# define fstat fstat64
2432# endif
2433# if defined(USE_LSTAT64)
2434# define lstat lstat64
2435# endif
2436# if defined(USE_FLOCK64)
2437# define flock flock64
2438# endif
2439# if defined(USE_LOCKF64)
2440# define lockf lockf64
2441# endif
2442# if defined(USE_FCNTL64)
2443# define fcntl fcntl64
2444# endif
2445# if defined(USE_TRUNCATE64)
2446# define truncate truncate64
2447# endif
2448# if defined(USE_FTRUNCATE64)
2449# define ftruncate ftruncate64
2450# endif
2451#endif
2452
2453#ifdef USE_64_BIT_STDIO
2454# ifdef HAS_FPOS64_T
2455# undef Fpos_t
2456# define Fpos_t fpos64_t
2457# endif
2458/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2459 * will trigger defines like the ones below. Some 64-bit environments,
2460 * however, do not. */
2461# if defined(USE_FOPEN64)
2462# define fopen fopen64
2463# endif
2464# if defined(USE_FSEEK64)
6b8eaf93 2465# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2466# endif
2467# if defined(USE_FTELL64)
6b8eaf93 2468# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2469# endif
2470# if defined(USE_FSETPOS64)
2471# define fsetpos fsetpos64
2472# endif
2473# if defined(USE_FGETPOS64)
2474# define fgetpos fgetpos64
2475# endif
2476# if defined(USE_TMPFILE64)
2477# define tmpfile tmpfile64
2478# endif
2479# if defined(USE_FREOPEN64)
2480# define freopen freopen64
5ff3f7a4
GS		 2481# endif
2482#endif
2483
af8b425d 2484#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2485# include "iperlsys.h"
2486#endif
2487
6f71a643 2488#if defined(__OPEN_VM)
19848b3f
JH		 2489# include "vmesa/vmesaish.h"
2490# define ISHISH "vmesa"
6f71a643
JH		 2491#endif
2492
748a9306 2493#ifdef DOSISH
19848b3f
JH		 2494# if defined(OS2)
2495# include "os2ish.h"
2496# else
2497# include "dosish.h"
2498# endif
2499# define ISHISH "dos"
2500#endif
2501
2502#if defined(VMS)
748a9306 2503# include "vmsish.h"
96e176bf 2504# include "embed.h"
eb8433b7
NC		 2505# ifndef PERL_MAD
2506# undef op_getmad
b3f24c00 2507# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2508# endif
19848b3f
JH		 2509# define ISHISH "vms"
2510#endif
2511
2512#if defined(PLAN9)
2513# include "./plan9/plan9ish.h"
2514# define ISHISH "plan9"
2515#endif
2516
2517#if defined(MPE)
2518# include "mpeix/mpeixish.h"
2519# define ISHISH "mpeix"
2520#endif
2521
2522#if defined(__VOS__)
196918b0
PG		 2523# ifdef __GNUC__
2524# include "./vos/vosish.h"
2525# else
2526# include "vos/vosish.h"
2527# endif
19848b3f
JH		 2528# define ISHISH "vos"
2529#endif
2530
2531#if defined(EPOC)
2532# include "epocish.h"
2533# define ISHISH "epoc"
2534#endif
2535
9969cdde 2536#ifdef __SYMBIAN32__
27da23d5
JH		 2537# include "symbian/symbianish.h"
2538# include "embed.h"
eb8433b7
NC		 2539# ifndef PERL_MAD
2540# undef op_getmad
b3f24c00 2541# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2542# endif
27da23d5
JH		 2543# define ISHISH "symbian"
2544#endif
2545
19848b3f
JH		 2546#if defined(MACOS_TRADITIONAL)
2547# include "macos/macish.h"
2548# ifndef NO_ENVIRON_ARRAY
2549# define NO_ENVIRON_ARRAY
0c30d9ec 2550# endif
19848b3f
JH		 2551# define ISHISH "macos classic"
2552#endif
2553
efca5cc6
JH		 2554#if defined(__BEOS__)
2555# include "beos/beosish.h"
2556# define ISHISH "beos"
2557#endif
2558
19848b3f
JH		 2559#ifndef ISHISH
2560# include "unixish.h"
2561# define ISHISH "unix"
13b6e58c
JH		 2562#endif
2563
2946a158
JH		 2564/* NSIG logic from Configure --> */
2565/* Strange style to avoid deeply-nested #if/#else/#endif */
2566#ifndef NSIG
2567# ifdef _NSIG
2568# define NSIG (_NSIG)
2569# endif
2570#endif
2571
2572#ifndef NSIG
2573# ifdef SIGMAX
2574# define NSIG (SIGMAX+1)
2575# endif
2576#endif
2577
2578#ifndef NSIG
2579# ifdef SIG_MAX
2580# define NSIG (SIG_MAX+1)
2581# endif
2582#endif
2583
2584#ifndef NSIG
2585# ifdef _SIG_MAX
2586# define NSIG (_SIG_MAX+1)
2587# endif
2588#endif
2589
2590#ifndef NSIG
2591# ifdef MAXSIG
2592# define NSIG (MAXSIG+1)
2593# endif
2594#endif
2595
2596#ifndef NSIG
2597# ifdef MAX_SIG
2598# define NSIG (MAX_SIG+1)
2599# endif
2600#endif
2601
2602#ifndef NSIG
2603# ifdef SIGARRAYSIZE
2604# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2605# endif
2606#endif
2607
2608#ifndef NSIG
2609# ifdef _sys_nsig
2610# define NSIG (_sys_nsig) /* Solaris 2.5 */
2611# endif
2612#endif
2613
2614/* Default to some arbitrary number that's big enough to get most
2615 of the common signals.
2616*/
2617#ifndef NSIG
2618# define NSIG 50
2619#endif
2620/* <-- NSIG logic from Configure */
2621
13b6e58c
JH		 2622#ifndef NO_ENVIRON_ARRAY
2623# define USE_ENVIRON_ARRAY
2624#endif
32f822de 2625
c77b533b
JH		 2626/*
2627 * initialise to avoid floating-point exceptions from overflow, etc
2628 */
2629#ifndef PERL_FPU_INIT
2630# ifdef HAS_FPSETMASK
2631# if HAS_FLOATINGPOINT_H
2632# include <floatingpoint.h>
2633# endif
7f7c3354 2634# define PERL_FPU_INIT fpsetmask(0)
c77b533b 2635# else
2f42fcb0 2636# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2637# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2638# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2639# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2640# else
2641# define PERL_FPU_INIT
2f42fcb0 2642
7014c407 2643# endif
c77b533b
JH		 2644# endif
2645#endif
b35112e7
CS		 2646#ifndef PERL_FPU_PRE_EXEC
2647# define PERL_FPU_PRE_EXEC {
2648# define PERL_FPU_POST_EXEC }
2649#endif
c77b533b 2650
cbec8ebe
DM		 2651#ifndef PERL_SYS_INIT3_BODY
2652# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2653#endif
2654
cbec8ebe
DM		 2655#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2656#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
2657#define PERL_SYS_TERM() Perl_sys_term(aTHX)
2658
be708cc0
JH		 2659#ifndef PERL_WRITE_MSG_TO_CONSOLE
2660# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2661#endif
2662
0f31cffe
GS		 2663#ifndef MAXPATHLEN
2664# ifdef PATH_MAX
b990c8b2
JH		 2665# ifdef _POSIX_PATH_MAX
2666# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2667/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2668 * included the null byte or not. Later amendments of POSIX,
2669 * XPG4, the Austin Group, and the Single UNIX Specification
2670 * all explicitly include the null byte in the PATH_MAX.
2671 * Ditto for _POSIX_PATH_MAX. */
2672# define MAXPATHLEN PATH_MAX
b990c8b2 2673# else
09448d78 2674# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2675# endif
2676# else
2677# define MAXPATHLEN (PATH_MAX+1)
2678# endif
0f31cffe 2679# else
b990c8b2 2680# ifdef _POSIX_PATH_MAX
09448d78 2681# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2682# else
2683# define MAXPATHLEN 1024 /* Err on the large side. */
2684# endif
0f31cffe
GS		 2685# endif
2686#endif
2687
c80263a8
SH		 2688/* In case Configure was not used (we are using a "canned config"
2689 * such as Win32, or a cross-compilation setup, for example) try going
2690 * by the gcc major and minor versions. One useful URL is
2691 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2692 * but contrary to this information warn_unused_result seems
2693 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2694 * Also, when building extensions with an installed perl, this allows
2695 * the user to upgrade gcc and get the right attributes, rather than
2696 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2697 * Set these up now otherwise we get confused when some of the <*thread.h>
2698 * includes below indirectly pull in <perlio.h> (which needs to know if we
2699 * have HASATTRIBUTE_FORMAT).
2700 */
2701
fc2007d4 2702#if defined __GNUC__ && !defined(__INTEL_COMPILER)
c80263a8
SH		 2703# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2704# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2705# if defined __MINGW32__
2706# define PRINTF_FORMAT_NULL_OK
2707# endif
c80263a8
SH		 2708# endif
2709# if __GNUC__ >= 3 /* 3.0 -> */
2710# define HASATTRIBUTE_MALLOC
2711# endif
2712# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2713# define HASATTRIBUTE_NONNULL
2714# endif
2715# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2716# define HASATTRIBUTE_NORETURN
2717# endif
2718# if __GNUC__ >= 3 /* gcc 3.0 -> */
2719# define HASATTRIBUTE_PURE
2720# endif
42bf5550 2721# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2722# define HASATTRIBUTE_UNUSED
2723# endif
d324fe49
AD		 2724# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2725# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2726# endif
c80263a8
SH		 2727# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2728# define HASATTRIBUTE_WARN_UNUSED_RESULT
2729# endif
2730#endif
2731
3db8f154 2732/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2733 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2734 * this results in many functions being undeclared which bothers C++
2735 * May make sense to have threads after "*ish.h" anyway
2736 */
2737
3db8f154 2738#if defined(USE_ITHREADS)
2986a63f
JH		 2739# ifdef NETWARE
2740# include <nw5thread.h>
2741# else
32f822de
GS		 2742# ifdef FAKE_THREADS
2743# include "fakethr.h"
2744# else
2745# ifdef WIN32
2746# include <win32thread.h>
2747# else
dd96f567
IZ		 2748# ifdef OS2
2749# include "os2thread.h"
2750# else
7f3d1cf1 2751# ifdef I_MACH_CTHREADS
bdd66968 2752# include <mach/cthreads.h>
8f1f23e8 2753# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2754# define MUTEX_INIT_CALLS_MALLOC
2755# endif
7f3d1cf1
BH		 2756typedef cthread_t perl_os_thread;
2757typedef mutex_t perl_mutex;
2758typedef condition_t perl_cond;
2759typedef void * perl_key;
2760# else /* Posix threads */
1f5ae88c
JH		 2761# ifdef I_PTHREAD
2762# include <pthread.h>
2763# endif
7f3d1cf1
BH		 2764typedef pthread_t perl_os_thread;
2765typedef pthread_mutex_t perl_mutex;
2766typedef pthread_cond_t perl_cond;
2767typedef pthread_key_t perl_key;
2768# endif /* I_MACH_CTHREADS */
dd96f567 2769# endif /* OS2 */
32f822de
GS		 2770# endif /* WIN32 */
2771# endif /* FAKE_THREADS */
2986a63f 2772#endif /* NETWARE */
3db8f154 2773#endif /* USE_ITHREADS */
c5be433b 2774
66a93824 2775#if defined(WIN32)
1feb2720 2776# include "win32.h"
c5be433b
GS		 2777#endif
2778
2986a63f
JH		 2779#ifdef NETWARE
2780# include "netware.h"
2781#endif
2782
e5218da5 2783#define STATUS_UNIX PL_statusvalue
68dc0745 2784#ifdef VMS
6b88bc9c 2785# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2786/*
2787 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2788 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2789 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2790 * be updated also.
2791 */
2792# include <stsdef.h>
2793# include <ssdef.h>
2794/* Presume this because if VMS changes it, it will require a new
2795 * set of APIs for waiting on children for binary compatibility.
2796 */
2797# define child_offset_bits (8)
2798# ifndef C_FAC_POSIX
2799# define C_FAC_POSIX 0x35A000
2800# endif
2801
2802/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2803 * platform from the existing UNIX or Native status values.
2804 */
2805
37038d91 2806# define STATUS_EXIT \
7a7fd8e0
JM		 2807 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2808 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2809
7a7fd8e0 2810
fb38d079
JM		 2811/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2812 * exit code and shifts the UNIX value over the correct number of bits to
2813 * be a child status. Usually the number of bits is 8, but that could be
2814 * platform dependent. The NATIVE status code is presumed to have either
2815 * from a child process.
7a7fd8e0
JM		 2816 */
2817
fb38d079
JM		 2818/* This is complicated. The child processes return a true native VMS
2819 status which must be saved. But there is an assumption in Perl that
2820 the UNIX child status has some relationship to errno values, so
2821 Perl tries to translate it to text in some of the tests.
2822 In order to get the string translation correct, for the error, errno
2823 must be EVMSERR, but that generates a different text message
2824 than what the test programs are expecting. So an errno value must
2825 be derived from the native status value when an error occurs.
2826 That will hide the true native status message. With this version of
2827 perl, the true native child status can always be retrieved so that
2828 is not a problem. But in this case, Pl_statusvalue and errno may
2829 have different values in them.
2830 */
7a7fd8e0 2831
fb38d079 2832# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2833 STMT_START { \
2fbb330f
JM		 2834 I32 evalue = (I32)n; \
2835 if (evalue == EVMSERR) { \
2836 PL_statusvalue_vms = vaxc$errno; \
2837 PL_statusvalue = evalue; \
7a7fd8e0 2838 } else { \
2fbb330f 2839 PL_statusvalue_vms = evalue; \
fb38d079 2840 if (evalue == -1) { \
3280af22 2841 PL_statusvalue = -1; \
7a7fd8e0
JM		 2842 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2843 } else \
fb38d079 2844 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2845 set_vaxc_errno(evalue); \
fb38d079
JM		 2846 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2847 set_errno(EVMSERR); \
2848 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2849 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2850 } \
68dc0745 2851 } STMT_END
7a7fd8e0 2852
68dc0745 2853# ifdef VMSISH_STATUS
e5218da5 2854# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2855# else
e5218da5 2856# define STATUS_CURRENT STATUS_UNIX
68dc0745 2857# endif
7a7fd8e0
JM		 2858
2859 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2860 * the NATIVE status to an equivalent value. Can not be used to translate
2861 * exit code values as exit code values are not guaranteed to have any
2862 * relationship at all to errno values.
2863 * This is used when Perl is forcing errno to have a specific value.
2864 */
e5218da5 2865# define STATUS_UNIX_SET(n) \
68dc0745 2866 STMT_START { \
7a7fd8e0 2867 I32 evalue = (I32)n; \
0968cdad 2868 PL_statusvalue = evalue; \
3280af22 2869 if (PL_statusvalue != -1) { \
0968cdad
JM		 2870 if (PL_statusvalue != EVMSERR) { \
2871 PL_statusvalue &= 0xFFFF; \
2872 if (MY_POSIX_EXIT) \
2873 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2874 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2875 } \
2876 else { \
2877 PL_statusvalue_vms = vaxc$errno; \
2878 } \
68dc0745 2879 } \
0968cdad
JM		 2880 else PL_statusvalue_vms = SS$_ABORT; \
2881 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2882 } STMT_END
2883
2884 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2885 * the NATIVE error status based on it. It does not assume that
fb38d079
JM		 2886 * the UNIX/POSIX exit codes have any relationship to errno, except
2887 * that 0 indicates a success. When in the default mode to comply
6ac6a52b
JM		 2888 * with the Perl VMS documentation, any other code sets the NATIVE
2889 * status to a failure code of SS$_ABORT.
fb38d079
JM		 2890 *
2891 * In the new POSIX EXIT mode, native status will be set so that the
2892 * actual exit code will can be retrieved by the calling program or
2893 * shell.
2894 *
2895 * If the exit code is not clearly a UNIX parent or child exit status,
2896 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2897 */
2898
fb38d079 2899# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2900 STMT_START { \
2901 I32 evalue = (I32)n; \
2902 PL_statusvalue = evalue; \
fb38d079
JM		 2903 if (evalue != -1) { \
2904 if (evalue <= 0xFF00) { \
2905 if (evalue > 0xFF) \
2906 evalue = (evalue >> child_offset_bits) & 0xFF; \
2907 if (evalue == 0) \
2908 PL_statusvalue_vms == SS$_NORMAL; \
2909 else \
2910 if (MY_POSIX_EXIT) \
2911 PL_statusvalue_vms = \
2912 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2913 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
0968cdad 2914 else \
6ac6a52b 2915 PL_statusvalue_vms = SS$_ABORT; \
fb38d079
JM		 2916 } else { /* forgive them Perl, for they have sinned */ \
2917 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2918 else PL_statusvalue_vms = vaxc$errno; \
2919 /* And obviously used a VMS status value instead of UNIX */ \
2920 PL_statusvalue = EVMSERR; \
2921 } \
7a7fd8e0
JM		 2922 } \
2923 else PL_statusvalue_vms = SS$_ABORT; \
2924 set_vaxc_errno(PL_statusvalue_vms); \
68dc0745 2925 } STMT_END
fb38d079 2926
6ac6a52b
JM		 2927 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2928 * and sets the NATIVE error status based on it. This special case
2929 * is needed to maintain compatibility with past VMS behavior.
2930 *
2931 * In the default mode on VMS, this number is passed through as
2932 * both the NATIVE and UNIX status. Which makes it different
2933 * that the STATUS_UNIX_EXIT_SET.
2934 *
2935 * In the new POSIX EXIT mode, native status will be set so that the
2936 * actual exit code will can be retrieved by the calling program or
2937 * shell.
2938 *
2939 */
2940
2941# define STATUS_EXIT_SET(n) \
2942 STMT_START { \
2943 I32 evalue = (I32)n; \
2944 PL_statusvalue = evalue; \
2945 if (MY_POSIX_EXIT) \
2946 PL_statusvalue_vms = \
2947 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2948 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
6ac6a52b
JM		 2949 else \
2950 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2951 set_vaxc_errno(PL_statusvalue_vms); \
2952 } STMT_END
2953
fb38d079
JM		 2954
2955 /* This macro forces a success status */
7a7fd8e0
JM		 2956# define STATUS_ALL_SUCCESS \
2957 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 2958
2959 /* This macro forces a failure status */
7a7fd8e0
JM		 2960# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2961 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2962 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2963
68dc0745 2964#else
e5218da5 2965# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2966# if defined(WCOREDUMP)
37038d91 2967# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2968 STMT_START { \
2969 PL_statusvalue_posix = (n); \
2970 if (PL_statusvalue_posix == -1) \
2971 PL_statusvalue = -1; \
2972 else { \
2973 PL_statusvalue = \
2974 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2975 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2976 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2977 } \
2978 } STMT_END
2979# elif defined(WIFEXITED)
37038d91 2980# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2981 STMT_START { \
2982 PL_statusvalue_posix = (n); \
2983 if (PL_statusvalue_posix == -1) \
2984 PL_statusvalue = -1; \
2985 else { \
2986 PL_statusvalue = \
2987 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2988 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2989 } \
2990 } STMT_END
2991# else
37038d91 2992# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2993 STMT_START { \
2994 PL_statusvalue_posix = (n); \
2995 if (PL_statusvalue_posix == -1) \
2996 PL_statusvalue = -1; \
2997 else { \
2998 PL_statusvalue = \
2999 PL_statusvalue_posix & 0xFFFF; \
3000 } \
3001 } STMT_END
3002# endif
3003# define STATUS_UNIX_SET(n) \
68dc0745 3004 STMT_START { \
3280af22
NIS		 3005 PL_statusvalue = (n); \
3006 if (PL_statusvalue != -1) \
3007 PL_statusvalue &= 0xFFFF; \
68dc0745 3008 } STMT_END
7a7fd8e0 3009# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3010# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3011# define STATUS_CURRENT STATUS_UNIX
37038d91 3012# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3013# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3014# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3015#endif
3016
cc3604b1
GS		 3017/* flags in PL_exit_flags for nature of exit() */
3018#define PERL_EXIT_EXPECTED 0x01
31d77e54 3019#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3020
0b94c7bb 3021#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 3022# define MEMBER_TO_FPTR(name) name
3023#endif
3024
3025/* format to use for version numbers in file/directory names */
273cf8d1 3026/* XXX move to Configure? */
a7cb1f99 3027#ifndef PERL_FS_VER_FMT
273cf8d1 3028# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 3029#endif
3030
45bc9206 3031/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3032 * performance issue, so we allow people to disable it. Also, if
3033 * we are using stdio, there are broken implementations of fflush(NULL)
3034 * out there, Solaris being the most prominent.
45bc9206
GS		 3035 */
3036#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3037# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3038# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3039# else
3040# ifdef FFLUSH_ALL
3041# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3042# else
c5be433b 3043# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3044# endif
66fe083f 3045# endif
45bc9206
GS		 3046#endif
3047
7766f137
GS		 3048#ifndef PERL_WAIT_FOR_CHILDREN
3049# define PERL_WAIT_FOR_CHILDREN NOOP
3050#endif
3051
ba869deb 3052/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3053#ifndef PERL_SET_INTERP
3054# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3055#endif
3056
3057#ifndef PERL_GET_INTERP
3058# define PERL_GET_INTERP (PL_curinterp)
3059#endif
3060
54aff467 3061#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3062# ifdef MULTIPLICITY
ba869deb 3063# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3064# endif
ba869deb
GS		 3065# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3066#endif
3067
8896765a
RB		 3068/*
3069 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3070 All that is required is that the perl source does not
8896765a
RB		 3071 use "%-p" or "%-<number>p" or "%<number>p" formats.
3072 These formats will still work in perl code.
3073 See comments in sv.c for futher details.
3074
8896765a 3075 Robin Barker 2005-07-14
f46d31f2
RB		 3076
3077 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3078*/
8896765a
RB		 3079
3080#ifndef SVf_
63ce7bf0 3081# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3082#endif
3083
8896765a 3084#ifndef SVf
104abab4 3085# define SVf "-p"
d2560b70
RB		 3086#endif
3087
014ead4b 3088#ifndef SVf32
8896765a 3089# define SVf32 SVf_(32)
014ead4b
RB		 3090#endif
3091
3092#ifndef SVf256
8896765a
RB		 3093# define SVf256 SVf_(256)
3094#endif
3095
be2597df
MHM		 3096#define SVfARG(p) ((void*)(p))
3097
f46d31f2
RB		 3098#ifdef PERL_CORE
3099/* not used; but needed for backward compatibilty with XS code? - RMB */
3100# undef VDf
3101#else
3102# ifndef VDf
8896765a
RB		 3103# define VDf "vd"
3104# endif
014ead4b 3105#endif
170cd9e9
NC		 3106
3107#ifdef PERL_CORE
f5992bc4 3108/* not used; but needed for backward compatibilty with XS code? - RMB */
7776bb98
RB		 3109# undef UVf
3110#else
170cd9e9
NC		 3111# ifndef UVf
3112# define UVf UVuf
3113# endif
d2560b70
RB		 3114#endif
3115
0dbb1585
AL		 3116#ifdef HASATTRIBUTE_FORMAT
3117# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3118#endif
3119#ifdef HASATTRIBUTE_MALLOC
77785eea 3120# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3121#endif
0dbb1585 3122#ifdef HASATTRIBUTE_NONNULL
abb2c242 3123# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3124#endif
0dbb1585 3125#ifdef HASATTRIBUTE_NORETURN
abb2c242 3126# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3127#endif
0dbb1585 3128#ifdef HASATTRIBUTE_PURE
abb2c242 3129# define __attribute__pure__ __attribute__((pure))
f22be1b8 3130#endif
0dbb1585
AL		 3131#ifdef HASATTRIBUTE_UNUSED
3132# define __attribute__unused__ __attribute__((unused))
3133#endif
3134#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3135# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3136#endif
3137
0dbb1585
AL		 3138/* If we haven't defined the attributes yet, define them to blank. */
3139#ifndef __attribute__format__
3140# define __attribute__format__(x,y,z)
3141#endif
f22be1b8 3142#ifndef __attribute__malloc__
abb2c242 3143# define __attribute__malloc__
f22be1b8
JH		 3144#endif
3145#ifndef __attribute__nonnull__
abb2c242 3146# define __attribute__nonnull__(a)
f22be1b8
JH		 3147#endif
3148#ifndef __attribute__noreturn__
abb2c242 3149# define __attribute__noreturn__
f22be1b8
JH		 3150#endif
3151#ifndef __attribute__pure__
abb2c242 3152# define __attribute__pure__
f22be1b8 3153#endif
0dbb1585
AL		 3154#ifndef __attribute__unused__
3155# define __attribute__unused__
3156#endif
f22be1b8 3157#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3158# define __attribute__warn_unused_result__
3159#endif
3160
0dbb1585
AL		 3161/* For functions that are marked as __attribute__noreturn__, it's not
3162 appropriate to call return. In either case, include the lint directive.
3163 */
3164#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3165# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3166#else
b37c2d43 3167# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH		 3168#endif
3169
cdfeb707
RB		 3170/* Some OS warn on NULL format to printf */
3171#ifdef PRINTF_FORMAT_NULL_OK
3172# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3173#else
3174# define __attribute__format__null_ok__(x,y,z)
3175#endif
3176
635aebb7 3177#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3178# define EXPECT(expr,val) __builtin_expect(expr,val)
3179#else
3180# define EXPECT(expr,val) (expr)
3181#endif
3182#define LIKELY(cond) EXPECT(cond,1)
3183#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3184#ifdef HAS_BUILTIN_CHOOSE_EXPR
3185/* placeholder */
3186#endif
b37c2d43 3187
3fc1aec6 3188/* Some unistd.h's give a prototype for pause() even though
3189 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3190 below to be rejected by the compiler. Sigh.
3fc1aec6 3191*/
3192#ifdef HAS_PAUSE
3193#define Pause pause
3194#else
3195#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3196#endif
3197
3198#ifndef IOCPARM_LEN
3199# ifdef IOCPARM_MASK
61f1c44b 3200 /* on BSDish systems we're safe */
748a9306
LW		 3201# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3202# else
61f1c44b 3203# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3204 /* on Linux systems we're safe; except when we're not [perl #38223] */
3205# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3206# else
748a9306 3207 /* otherwise guess at what's safe */
61f1c44b
JVD		 3208# define IOCPARM_LEN(x) 256
3209# endif
748a9306 3210# endif
a0d0e21e
LW		 3211#endif
3212
1761cee5 3213#if defined(__CYGWIN__)
521e0776
GS		 3214/* USEMYBINMODE
3215 * This symbol, if defined, indicates that the program should
16fe6d59 3216 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3217 * that a file is in "binary" mode -- that is, that no translation
3218 * of bytes occurs on read or write operations.
3219 */
36894f0b 3220# define USEMYBINMODE /**/
77a40698 3221# include <io.h> /* for setmode() prototype */
16fe6d59 3222# define my_binmode(fp, iotype, mode) \
77a40698 3223 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3224#endif
3225
88d10794
JH		 3226#ifdef __CYGWIN__
3227void init_os_extras(void);
3228#endif
3229
cea2e8a9
GS		 3230#ifdef UNION_ANY_DEFINITION
3231UNION_ANY_DEFINITION;
3232#else
3233union any {
3234 void* any_ptr;
3235 I32 any_i32;
3236 IV any_iv;
3237 long any_long;
9febdf04 3238 bool any_bool;
c76ac1ee 3239 void (*any_dptr) (void*);
acfe0abc 3240 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3241};
3242#endif
3243
acfe0abc 3244typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3245
3246#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3247#define FILTER_DATA(idx) \
3248 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3249#define FILTER_ISREADER(idx) \
3250 (PL_parser && PL_parser->rsfp_filters \
3251 && idx >= AvFILLp(PL_parser->rsfp_filters))
3252#define PERL_FILTER_EXISTS(i) \
3253 (PL_parser && PL_parser->rsfp_filters \
3254 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3255
c5078cac
JH		 3256#if defined(_AIX) && !defined(_AIX43)
3257#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3258/* We cannot include <crypt.h> to get the struct crypt_data
3259 * because of setkey prototype problems when threading */
3260typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3261 /* From OSF, Not needed in AIX
3262 char C[28], D[28];
3263 */
3264 char E[48];
3265 char KS[16][48];
3266 char block[66];
3267 char iobuf[16];
3268} CRYPTD;
3269#endif /* threading */
3270#endif /* AIX */
3271
af8b425d 3272#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 3273# include "iperlsys.h"
3274#endif
504f80c1 3275
9c12f1e5
RGS		 3276#ifdef __LIBCATAMOUNT__
3277#undef HAS_PASSWD /* unixish.h but not unixish enough. */
3278#undef HAS_GROUP
3279#define FAKE_BIT_BUCKET
3280#endif
3281
d10dc2ae
JH		 3282/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3283 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3284 * defined by Configure, despite their names being similar to the
3285 * other defines like USE_ITHREADS. Configure in fact knows nothing
3286 * about the randomised hashes. Therefore to enable/disable the hash
3287 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3288#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3289# define USE_HASH_SEED
504f80c1
JH		 3290#endif
3291
598921a7
NC		 3292/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3293 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3294 * it's not really needed.
3295 */
3296#if defined(WIN32)
3297# define YYTOKENTYPE
3298#endif
3299#include "perly.h"
3300
3301#ifdef PERL_MAD
3302struct nexttoken {
3303 YYSTYPE next_val; /* value of next token, if any */
3304 I32 next_type; /* type of next token */
3305 MADPROP *next_mad; /* everything else about that token */
3306};
3307#endif
3308
378cc40b 3309#include "regexp.h"
79072805 3310#include "sv.h"
378cc40b 3311#include "util.h"
8d063cd8 3312#include "form.h"
79072805 3313#include "gv.h"
dd2155a4 3314#include "pad.h"
79072805 3315#include "cv.h"
abdd5c84 3316#include "opnames.h"
79072805 3317#include "op.h"
b3ca2e83 3318#include "hv.h"
79072805
LW		 3319#include "cop.h"
3320#include "av.h"
79072805
LW		 3321#include "mg.h"
3322#include "scope.h"
4438c4b7 3323#include "warnings.h"
a0ed51b3 3324#include "utf8.h"
8d063cd8 3325
7fae4e64
GS		 3326
3327typedef struct _sublex_info SUBLEXINFO;
3328struct _sublex_info {
651b5b28
NC		 3329 U8 super_state; /* lexer state to save */
3330 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3331 OP *sub_op; /* "lex_op" to use */
f06b5848
DM		 3332 char *super_bufptr; /* PL_parser->bufptr that was */
3333 char *super_bufend; /* PL_parser->bufend that was */
7fae4e64
GS		 3334};
3335
199e78b7
DM		 3336#include "parser.h"
3337
455ece5e 3338typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3339
2c2d71f5 3340struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3341struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3342
6f51351d
NC		 3343/* Keep next first in this structure, because sv_free_arenas take
3344 advantage of this to share code between the pte arenas and the SV
3345 body arenas */
5f7fde29
GS		 3346struct ptr_tbl_ent {
3347 struct ptr_tbl_ent* next;
53c1dcc0 3348 const void* oldval;
5f7fde29 3349 void* newval;
d18c6117
GS		 3350};
3351
5f7fde29
GS		 3352struct ptr_tbl {
3353 struct ptr_tbl_ent** tbl_ary;
3354 UV tbl_max;
3355 UV tbl_items;
d18c6117
GS		 3356};
3357
450a55e4 3358#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3359# define I286
3360#endif
3361
fe14fcc3
LW		 3362#if defined(htonl) && !defined(HAS_HTONL)
3363#define HAS_HTONL
ae986130 3364#endif
fe14fcc3
LW		 3365#if defined(htons) && !defined(HAS_HTONS)
3366#define HAS_HTONS
ae986130 3367#endif
fe14fcc3
LW		 3368#if defined(ntohl) && !defined(HAS_NTOHL)
3369#define HAS_NTOHL
ae986130 3370#endif
fe14fcc3
LW		 3371#if defined(ntohs) && !defined(HAS_NTOHS)
3372#define HAS_NTOHS
ae986130 3373#endif
fe14fcc3 3374#ifndef HAS_HTONL
d9d8d8de 3375#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3376#define HAS_HTONS
3377#define HAS_HTONL
3378#define HAS_NTOHS
3379#define HAS_NTOHL
a687059c
LW		 3380#define MYSWAP
3381#define htons my_swap
3382#define htonl my_htonl
3383#define ntohs my_swap
3384#define ntohl my_ntohl
3385#endif
3386#else
d9d8d8de 3387#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3388#undef HAS_HTONS
3389#undef HAS_HTONL
3390#undef HAS_NTOHS
3391#undef HAS_NTOHL
a687059c
LW		 3392#endif
3393#endif
3394
988174c1
LW		 3395/*
3396 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3397 * -DWS
3398 */
3399#if BYTEORDER != 0x1234
3400# define HAS_VTOHL
3401# define HAS_VTOHS
3402# define HAS_HTOVL
3403# define HAS_HTOVS
c67712b2 3404# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3405# define vtohl(x) ((((x)&0xFF)<<24) \
3406 +(((x)>>24)&0xFF) \
3407 +(((x)&0x0000FF00)<<8) \
3408 +(((x)&0x00FF0000)>>8) )
3409# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3410# define htovl(x) vtohl(x)
3411# define htovs(x) vtohs(x)
3412# endif
3413 /* otherwise default to functions in util.c */
2a8c3029 3414#ifndef htovs
c623ac67
GS		 3415short htovs(short n);
3416short vtohs(short n);
3417long htovl(long n);
3418long vtohl(long n);
988174c1 3419#endif
2a8c3029 3420#endif
988174c1 3421
3bb7c1b4
JH		 3422/* *MAX Plus 1. A floating point value.
3423 Hopefully expressed in a way that dodgy floating point can't mess up.
3424 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3425 is added to it
3426 May find that some broken compiler will want the value cast to I32.
3427 [after the shift, as signed >> may not be as secure as unsigned >>]
3428*/
3429#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3430#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3431/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3432 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3433 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3434*/
3435#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3436
3bb7c1b4
JH		 3437#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3438#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3439#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3440
3441/* This may look like unnecessary jumping through hoops, but converting
3442 out of range floating point values to integers *is* undefined behaviour,
3443 and it is starting to bite.
3444*/
3445#ifndef CAST_INLINE
65202027 3446#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3447#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3448#define I_V(what) (cast_iv((NV)(what)))
3449#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3450#else
3451#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3452 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3453 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3454#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3455 : ((n) < U32_MAX_P1 ? (U32) (n) \
3456 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3457#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3458 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3459 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3460#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3461 : ((n) < UV_MAX_P1 ? (UV) (n) \
3462 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3463#endif
3464
3465#define U_S(what) ((U16)U_32(what))
3466#define U_I(what) ((unsigned int)U_32(what))
3467#define U_L(what) U_32(what)
ed6116ce 3468
ed140128
AD		 3469#ifdef HAS_SIGNBIT
3470# define Perl_signbit signbit
3471#endif
3472
2d4389e4
JH		 3473/* These do not care about the fractional part, only about the range. */
3474#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3475#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3476
25da4f38
IZ		 3477/* Used with UV/IV arguments: */
3478 /* XXXX: need to speed it up */
3479#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3480#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3481
352d5a3a
LW		 3482#ifndef MAXSYSFD
3483# define MAXSYSFD 2
3484#endif
ee0007ab 3485
79072805 3486#ifndef __cplusplus
27da23d5 3487#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3488Uid_t getuid (void);
3489Uid_t geteuid (void);
3490Gid_t getgid (void);
3491Gid_t getegid (void);
79072805 3492#endif
e1caacb4 3493#endif
8d063cd8 3494
0c30d9ec 3495#ifndef Perl_debug_log
bf49b057
GS		 3496# define Perl_debug_log PerlIO_stderr()
3497#endif
3498
3499#ifndef Perl_error_log
3500# define Perl_error_log (PL_stderrgv \
6b78add2 3501 && isGV(PL_stderrgv) \
01bb7c6d 3502 && GvIOp(PL_stderrgv) \
42de951c 3503 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3504 ? IoOFP(GvIOp(PL_stderrgv)) \
3505 : PerlIO_stderr())
0c30d9ec 3506#endif
3967c732 3507
aea4f609
DM		 3508
3509#define DEBUG_p_FLAG 0x00000001 /* 1 */
3510#define DEBUG_s_FLAG 0x00000002 /* 2 */
3511#define DEBUG_l_FLAG 0x00000004 /* 4 */
3512#define DEBUG_t_FLAG 0x00000008 /* 8 */
3513#define DEBUG_o_FLAG 0x00000010 /* 16 */
3514#define DEBUG_c_FLAG 0x00000020 /* 32 */
3515#define DEBUG_P_FLAG 0x00000040 /* 64 */
3516#define DEBUG_m_FLAG 0x00000080 /* 128 */
3517#define DEBUG_f_FLAG 0x00000100 /* 256 */
3518#define DEBUG_r_FLAG 0x00000200 /* 512 */
3519#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3520#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3521/* U is reserved for Unofficial, exploratory hacking */
3522#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3523#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3524#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3525#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3526#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3527#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3528#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3529#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3530#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3531#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3532#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3533#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3534#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3535
3536#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3537#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3538 that something was done? */
aea4f609 3539
bd16a5f0
IZ		 3540# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3541# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3542# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3543# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3544# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3545# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3546# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3547# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3548# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3549# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3550# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3551# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3552# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3553# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3554# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3555# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3556# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3557# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3558# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3559# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3560# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3561# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3562# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3563# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3564# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3565# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3566
3967c732 3567#ifdef DEBUGGING
aea4f609 3568
bd16a5f0
IZ		 3569# define DEBUG_p_TEST DEBUG_p_TEST_
3570# define DEBUG_s_TEST DEBUG_s_TEST_
3571# define DEBUG_l_TEST DEBUG_l_TEST_
3572# define DEBUG_t_TEST DEBUG_t_TEST_
3573# define DEBUG_o_TEST DEBUG_o_TEST_
3574# define DEBUG_c_TEST DEBUG_c_TEST_
3575# define DEBUG_P_TEST DEBUG_P_TEST_
3576# define DEBUG_m_TEST DEBUG_m_TEST_
3577# define DEBUG_f_TEST DEBUG_f_TEST_
3578# define DEBUG_r_TEST DEBUG_r_TEST_
3579# define DEBUG_x_TEST DEBUG_x_TEST_
3580# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3581# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3582# define DEBUG_H_TEST DEBUG_H_TEST_
3583# define DEBUG_X_TEST DEBUG_X_TEST_
3584# define DEBUG_D_TEST DEBUG_D_TEST_
3585# define DEBUG_S_TEST DEBUG_S_TEST_
3586# define DEBUG_T_TEST DEBUG_T_TEST_
3587# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3588# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3589# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3590# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3591# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3592# define DEBUG_q_TEST DEBUG_q_TEST_
7949c6f5
JC		 3593# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3594# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
aea4f609 3595
488b0c7a
JH		 3596# define PERL_DEB(a) a
3597# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3598# define DEBUG_p(a) if (DEBUG_p_TEST) a
3599# define DEBUG_s(a) if (DEBUG_s_TEST) a
3600# define DEBUG_l(a) if (DEBUG_l_TEST) a
3601# define DEBUG_t(a) if (DEBUG_t_TEST) a
3602# define DEBUG_o(a) if (DEBUG_o_TEST) a
3603# define DEBUG_c(a) if (DEBUG_c_TEST) a
3604# define DEBUG_P(a) if (DEBUG_P_TEST) a
3605
969058bb
VK		 3606 /* Temporarily turn off memory debugging in case the a
3607 * does memory allocation, either directly or indirectly. */
acfe0abc 3608# define DEBUG_m(a) \
0b250b9e 3609 STMT_START { \
aea4f609 3610 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3611 } STMT_END
aea4f609 3612
5f80b19c
AMS		 3613# define DEBUG__(t, a) \
3614 STMT_START { \
3615 if (t) STMT_START {a;} STMT_END; \
3616 } STMT_END
3617
3618# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3619#ifndef PERL_EXT_RE_BUILD
5f80b19c 3620# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3621#else
3622# define DEBUG_r(a) STMT_START {a;} STMT_END
3623#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3624# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3625# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3626# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3627# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3628# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3629# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3630# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3631# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
aea4f609 3632
3db8f154 3633# define DEBUG_S(a)
aea4f609 3634
5f80b19c
AMS		 3635# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3636# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3637# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3638# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3639# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3640# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 3641
3642#else /* DEBUGGING */
3643
3644# define DEBUG_p_TEST (0)
3645# define DEBUG_s_TEST (0)
3646# define DEBUG_l_TEST (0)
3647# define DEBUG_t_TEST (0)
3648# define DEBUG_o_TEST (0)
3649# define DEBUG_c_TEST (0)
3650# define DEBUG_P_TEST (0)
3651# define DEBUG_m_TEST (0)
3652# define DEBUG_f_TEST (0)
3653# define DEBUG_r_TEST (0)
3654# define DEBUG_x_TEST (0)
3655# define DEBUG_u_TEST (0)
88d2d28a 3656# define DEBUG_U_TEST (0)
aea4f609
DM		 3657# define DEBUG_H_TEST (0)
3658# define DEBUG_X_TEST (0)
3659# define DEBUG_D_TEST (0)
3660# define DEBUG_S_TEST (0)
3661# define DEBUG_T_TEST (0)
04932ac8 3662# define DEBUG_R_TEST (0)
1045810a 3663# define DEBUG_J_TEST (0)
d6721266 3664# define DEBUG_v_TEST (0)
46187eeb 3665# define DEBUG_C_TEST (0)
ecae49c0
NC		 3666# define DEBUG_A_TEST (0)
3667# define DEBUG_q_TEST (0)
7949c6f5
JC		 3668# define DEBUG_Xv_TEST (0)
3669# define DEBUG_Uv_TEST (0)
aea4f609 3670
488b0c7a
JH		 3671# define PERL_DEB(a)
3672# define PERL_DEBUG(a)
aea4f609
DM		 3673# define DEBUG_p(a)
3674# define DEBUG_s(a)
3675# define DEBUG_l(a)
3676# define DEBUG_t(a)
3677# define DEBUG_o(a)
3678# define DEBUG_c(a)
3679# define DEBUG_P(a)
3680# define DEBUG_m(a)
3681# define DEBUG_f(a)
3682# define DEBUG_r(a)
3683# define DEBUG_x(a)
3684# define DEBUG_u(a)
88d2d28a 3685# define DEBUG_U(a)
aea4f609
DM		 3686# define DEBUG_H(a)
3687# define DEBUG_X(a)
3688# define DEBUG_D(a)
3689# define DEBUG_S(a)
3690# define DEBUG_T(a)
04932ac8 3691# define DEBUG_R(a)
d6721266 3692# define DEBUG_v(a)
46187eeb 3693# define DEBUG_C(a)
ecae49c0
NC		 3694# define DEBUG_A(a)
3695# define DEBUG_q(a)
7949c6f5
JC		 3696# define DEBUG_Xv(a)
3697# define DEBUG_Uv(a)
aea4f609
DM		 3698#endif /* DEBUGGING */
3699
3700
b4ab917c
DM		 3701#define DEBUG_SCOPE(where) \
3702 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3703 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM		 3704
3705
3706
3707
d1be9408 3708/* These constants should be used in preference to raw characters
14befaf4
DM		 3709 * when using magic. Note that some perl guts still assume
3710 * certain character properties of these constants, namely that
3711 * isUPPER() and toLOWER() may do useful mappings.
3712 *
3713 * Update the magic_names table in dump.c when adding/amending these
3714 */
3715
3716#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3717#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3718#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3719#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3720#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3721#define PERL_MAGIC_regdata 'D' /* Regex match position data
3722 (@+ and @- vars) */
3723#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3724#define PERL_MAGIC_env 'E' /* %ENV hash */
3725#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3726#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3727#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
b3ca2e83
NC		 3728#define PERL_MAGIC_hints 'H' /* %^H hash */
3729#define PERL_MAGIC_hintselem 'h' /* %^H hash element */
14befaf4
DM		 3730#define PERL_MAGIC_isa 'I' /* @ISA array */
3731#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3732#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3733#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3734#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3735#define PERL_MAGIC_shared 'N' /* Shared between threads */
3736#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3737#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3738#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3739#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3740#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3741#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3742#define PERL_MAGIC_sig 'S' /* %SIG hash */
3743#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3744#define PERL_MAGIC_taint 't' /* Taintedness */
3745#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3746#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3747#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3748#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3749#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3750#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3751#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3752 smart parameter vivification */
14befaf4
DM		 3753#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3754#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3755#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3756#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3757#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3758#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM		 3759#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3760
3761
a6e633de 3762#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC		 3763#define assert(what) PERL_DEB( \
3764 ((what) ? ((void) 0) : \
67eb4d30 3765 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3766 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3767 (void) 0)))
a446a88f 3768#endif
8d063cd8 3769
450a55e4 3770struct ufuncs {
24f81a43
DM		 3771 I32 (*uf_val)(pTHX_ IV, SV*);
3772 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3773 IV uf_index;
450a55e4
LW		 3774};
3775
14befaf4 3776/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3777 * XS code wanting to be backward compatible can do something
3778 * like the following:
c745e42c 3779
24f81a43 3780#ifndef PERL_MG_UFUNC
24f81a43
DM		 3781#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3782#endif
3783
3784static PERL_MG_UFUNC(foo_get, index, val)
3785{
3786 sv_setsv(val, ...);
3787 return TRUE;
3788}
3789
3790-- Doug MacEachern
3791
3792*/
3793
fc9c74e6 3794#ifndef PERL_MG_UFUNC
24f81a43 3795#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3796#endif
24f81a43 3797
fe14fcc3 3798/* Fix these up for __STDC__ */
68dc0745 3799#ifndef DONT_DECLARE_STD
20ce7b12 3800char *mktemp (char*);
37bd1396 3801#ifndef atof
20ce7b12 3802double atof (const char*);
a0d0e21e 3803#endif
37bd1396 3804#endif
79072805 3805
352d5a3a 3806#ifndef STANDARD_C
fe14fcc3 3807/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3808Time_t time();
8d063cd8 3809struct tm *gmtime(), *localtime();
092bebab 3810#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3811char *(strchr)(), *(strrchr)();
3812char *(strcpy)(), *(strcat)();
3813#else
93a17b20 3814char *strchr(), *strrchr();
378cc40b 3815char *strcpy(), *strcat();
9d116dd7 3816#endif
352d5a3a 3817#endif /* ! STANDARD_C */
8d063cd8 3818
79072805
LW		 3819
3820#ifdef I_MATH
3821# include <math.h>
3822#else
32f822de 3823START_EXTERN_C
20ce7b12
GS		 3824 double exp (double);
3825 double log (double);
3826 double log10 (double);
3827 double sqrt (double);
3828 double frexp (double,int*);
3829 double ldexp (double,int);
3830 double modf (double,double*);
3831 double sin (double);
3832 double cos (double);
3833 double atan2 (double,double);
3834 double pow (double,double);
32f822de 3835END_EXTERN_C
79072805
LW		 3836#endif
3837
aa8b85de
JH		 3838#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3839# define NV_INF LDBL_INFINITY
3840#endif
3841#if !defined(NV_INF) && defined(DBL_INFINITY)
3842# define NV_INF (NV)DBL_INFINITY
3843#endif
3844#if !defined(NV_INF) && defined(INFINITY)
3845# define NV_INF (NV)INFINITY
3846#endif
3847#if !defined(NV_INF) && defined(INF)
3848# define NV_INF (NV)INF
3849#endif
3850#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3851# define NV_INF (NV)HUGE_VALL
3852#endif
3853#if !defined(NV_INF) && defined(HUGE_VAL)
3854# define NV_INF (NV)HUGE_VAL
3855#endif
3856
3857#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3858# if !defined(NV_NAN) && defined(LDBL_NAN)
3859# define NV_NAN LDBL_NAN
3860# endif
3861# if !defined(NV_NAN) && defined(LDBL_QNAN)
3862# define NV_NAN LDBL_QNAN
3863# endif
3864# if !defined(NV_NAN) && defined(LDBL_SNAN)
3865# define NV_NAN LDBL_SNAN
3866# endif
3867#endif
3868#if !defined(NV_NAN) && defined(DBL_NAN)
3869# define NV_NAN (NV)DBL_NAN
3870#endif
3871#if !defined(NV_NAN) && defined(DBL_QNAN)
3872# define NV_NAN (NV)DBL_QNAN
3873#endif
3874#if !defined(NV_NAN) && defined(DBL_SNAN)
3875# define NV_NAN (NV)DBL_SNAN
3876#endif
3877#if !defined(NV_NAN) && defined(QNAN)
3878# define NV_NAN (NV)QNAN
3879#endif
3880#if !defined(NV_NAN) && defined(SNAN)
3881# define NV_NAN (NV)SNAN
3882#endif
3883#if !defined(NV_NAN) && defined(NAN)
3884# define NV_NAN (NV)NAN
3885#endif
3886
a0d0e21e 3887#ifndef __cplusplus
8f1f23e8 3888# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3889char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3890# else
fd8cd3a3 3891# if !defined(WIN32) && !defined(VMS)
10bc17b6 3892#ifndef crypt
20ce7b12 3893char *crypt (const char*, const char*);
10bc17b6 3894#endif
5014db98 3895# endif /* !WIN32 */
8f1f23e8 3896# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3897# ifndef DONT_DECLARE_STD
3898# ifndef getenv
20ce7b12 3899char *getenv (const char*);
26618a56 3900# endif /* !getenv */
28ca6303 3901# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3902# ifdef _FILE_OFFSET_BITS
28ca6303 3903# if _FILE_OFFSET_BITS == 64
20ce7b12 3904Off_t lseek (int,Off_t,int);
0fc67700
JH		 3905# endif
3906# endif
bf0c440f 3907# endif
26618a56 3908# endif /* !DONT_DECLARE_STD */
10bc17b6 3909#ifndef getlogin
20ce7b12 3910char *getlogin (void);
10bc17b6 3911#endif
26618a56 3912#endif /* !__cplusplus */
79072805 3913
7a7fd8e0
JM		 3914/* Fixme on VMS. This needs to be a run-time, not build time options */
3915/* Also rename() is affected by this */
16d20bd9 3916#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3917#define UNLINK unlnk
083639a9 3918I32 unlnk (pTHX_ const char*);
8d063cd8 3919#else
80252599 3920#define UNLINK PerlLIO_unlink
8d063cd8 3921#endif
a687059c 3922
fa0a29af
JH		 3923/* some versions of glibc are missing the setresuid() proto */
3924#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3925int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3926#endif
fa0a29af
JH		 3927/* some versions of glibc are missing the setresgid() proto */
3928#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3929int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3930#endif
3931
fe14fcc3 3932#ifndef HAS_SETREUID
85e6fe83
LW		 3933# ifdef HAS_SETRESUID
3934# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3935# define HAS_SETREUID
3936# endif
a687059c 3937#endif
fe14fcc3 3938#ifndef HAS_SETREGID
85e6fe83
LW		 3939# ifdef HAS_SETRESGID
3940# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3941# define HAS_SETREGID
3942# endif
a687059c 3943#endif
ee0007ab 3944
d543acb6 3945/* Sighandler_t defined in iperlsys.h */
ff68c719 3946
3947#ifdef HAS_SIGACTION
3948typedef struct sigaction Sigsave_t;
3949#else
3950typedef Sighandler_t Sigsave_t;
3951#endif
3952
ee0007ab
LW		 3953#define SCAN_DEF 0
3954#define SCAN_TR 1
3955#define SCAN_REPL 2
79072805
LW		 3956
3957#ifdef DEBUGGING
4633a7c4 3958# ifndef register
a0d0e21e
LW		 3959# define register
3960# endif
cea2e8a9 3961# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3962#else
cea2e8a9 3963# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 3964#endif
3965
6cb8cb21 3966#ifdef USE_PERLIO
e670910b 3967EXTERN_C void PerlIO_teardown(pTHX);
2f44961c 3968# ifdef USE_ITHREADS
6cb8cb21
RGS		 3969# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
3970# define PERLIO_TERM \
3971 STMT_START { \
3972 PerlIO_teardown(aTHX); \
3973 MUTEX_DESTROY(&PL_perlio_mutex);\
3974 } STMT_END
3975# else
3976# define PERLIO_INIT
3977# define PERLIO_TERM PerlIO_teardown(aTHX)
3978# endif
6b29934b
NC		 3979#else
3980# define PERLIO_INIT
3981# define PERLIO_TERM
6cb8cb21
RGS		 3982#endif
3983
18f739ee 3984#ifdef MYMALLOC
772fe5b3 3985# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 3986# define MALLOC_INIT \
3987 STMT_START { \
3988 PL_malloc_mutex = NULL; \
3989 MUTEX_INIT(&PL_malloc_mutex); \
3990 } STMT_END
3991# define MALLOC_TERM \
3992 STMT_START { \
3993 perl_mutex tmp = PL_malloc_mutex; \
3994 PL_malloc_mutex = NULL; \
3995 MUTEX_DESTROY(&tmp); \
3996 } STMT_END
3997# else
3998# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3999# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4000# endif
18f739ee
IZ		 4001#else
4002# define MALLOC_INIT
4003# define MALLOC_TERM
4004#endif
4005
cd1541b2 4006#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 4007
4008struct perl_memory_debug_header;
cd1541b2
NC		 4009struct perl_memory_debug_header {
4010 tTHX interpreter;
4011# ifdef PERL_POISON
4012 MEM_SIZE size;
cd1541b2 4013# endif
7cb608b5
NC		 4014 struct perl_memory_debug_header *prev;
4015 struct perl_memory_debug_header *next;
cd1541b2
NC		 4016};
4017
4018# define sTHX (sizeof(struct perl_memory_debug_header) + \
4019 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4020 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4021
4022#endif
4023
7cb608b5
NC		 4024#ifdef PERL_TRACK_MEMPOOL
4025# define INIT_TRACK_MEMPOOL(header, interp) \
4026 STMT_START { \
4027 (header).interpreter = (interp); \
4028 (header).prev = (header).next = &(header); \
4029 } STMT_END
4030# else
4031# define INIT_TRACK_MEMPOOL(header, interp)
4032#endif
4033
b6d9d515 4034
0cb96387 4035typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 4036typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 4037typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 4038typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 4039
940cb80d 4040/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 4041#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 4042
8f1f23e8
W		 4043/* NeXT has problems with crt0.o globals */
4044#if defined(__DYNAMIC__) && \
6239f2da 4045 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 4046# if defined(NeXT) || defined(__NeXT)
4047# include <mach-o/dyld.h>
4048# define environ (*environ_pointer)
0c30d9ec 4049EXT char *** environ_pointer;
8f1f23e8 4050# else
6239f2da 4051# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 4052# include <crt_externs.h> /* for the env array */
4053# define environ (*_NSGetEnviron())
4054# endif
0c30d9ec 4055# endif
8f1f23e8
W		 4056#else
4057 /* VMS and some other platforms don't use the environ array */
13b6e58c 4058# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 4059# if !defined(DONT_DECLARE_STD) || \
4060 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
4061 defined(__sgi) || \
d460ef45 4062 defined(__DGUX)
8f1f23e8 4063extern char ** environ; /* environment variables supplied via exec */
a6c40364 4064# endif
8f1f23e8
W		 4065# endif
4066#endif
79072805 4067
73c4f7a1
GS		 4068START_EXTERN_C
4069
79072805 4070/* handy constants */
22c35a8c 4071EXTCONST char PL_warn_uninit[]
29489e7c 4072 INIT("Use of uninitialized value%s%s%s");
22c35a8c 4073EXTCONST char PL_warn_nosemi[]
463ee0b2 4074 INIT("Semicolon seems to be missing");
22c35a8c 4075EXTCONST char PL_warn_reserved[]
463ee0b2 4076 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4077EXTCONST char PL_warn_nl[]
93a17b20 4078 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4079EXTCONST char PL_no_wrongref[]
a0d0e21e 4080 INIT("Can't use %s ref as %s ref");
22c35a8c 4081EXTCONST char PL_no_symref[]
748a9306 4082 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 4083EXTCONST char PL_no_symref_sv[]
014ead4b 4084 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 4085EXTCONST char PL_no_usym[]
8990e307 4086 INIT("Can't use an undefined value as %s reference");
22c35a8c 4087EXTCONST char PL_no_aelem[]
93a17b20 4088 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4089EXTCONST char PL_no_helem_sv[]
d04ff51e 4090 INIT("Modification of non-creatable hash value attempted, subscript \"%"SVf"\"");
22c35a8c 4091EXTCONST char PL_no_modify[]
93a17b20 4092 INIT("Modification of a read-only value attempted");
22c35a8c 4093EXTCONST char PL_no_mem[]
93a17b20 4094 INIT("Out of memory!\n");
22c35a8c 4095EXTCONST char PL_no_security[]
463ee0b2 4096 INIT("Insecure dependency in %s%s");
22c35a8c 4097EXTCONST char PL_no_sock_func[]
93a17b20 4098 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4099EXTCONST char PL_no_dir_func[]
93a17b20 4100 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4101EXTCONST char PL_no_func[]
93a17b20 4102 INIT("The %s function is unimplemented");
22c35a8c 4103EXTCONST char PL_no_myglob[]
952306ac 4104 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 4105EXTCONST char PL_no_localize_ref[]
4106 INIT("Can't localize through a reference");
27d5b266
JH		 4107EXTCONST char PL_memory_wrap[]
4108 INIT("panic: memory wrap");
93a17b20 4109
618b9757
NC		 4110#ifdef CSH
4111EXTCONST char PL_cshname[]
4112 INIT(CSH);
4113# define PL_cshlen (sizeof(CSH "") - 1)
4114#endif
4115
7575fa06 4116EXTCONST char PL_uuemap[65]
80252599
GS		 4117 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4118
79072805 4119#ifdef DOINIT
9444d213
NC		 4120EXTCONST char PL_uudmap[256] =
4121#include "uudmap.h"
4122;
27da23d5
JH		 4123EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4124EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4125#else
9444d213 4126EXTCONST char PL_uudmap[256];
27da23d5
JH		 4127EXTCONST char* const PL_sig_name[];
4128EXTCONST int PL_sig_num[];
79072805
LW		 4129#endif
4130
3bd709b1 4131/* fast conversion and case folding tables */
bbce6d69 4132
79072805 4133#ifdef DOINIT
9d116dd7 4134#ifdef EBCDIC
27da23d5 4135EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 4136 0, 1, 2, 3, 4, 5, 6, 7,
4137 8, 9, 10, 11, 12, 13, 14, 15,
4138 16, 17, 18, 19, 20, 21, 22, 23,
4139 24, 25, 26, 27, 28, 29, 30, 31,
4140 32, 33, 34, 35, 36, 37, 38, 39,
4141 40, 41, 42, 43, 44, 45, 46, 47,
4142 48, 49, 50, 51, 52, 53, 54, 55,
4143 56, 57, 58, 59, 60, 61, 62, 63,
4144 64, 65, 66, 67, 68, 69, 70, 71,
4145 72, 73, 74, 75, 76, 77, 78, 79,
4146 80, 81, 82, 83, 84, 85, 86, 87,
4147 88, 89, 90, 91, 92, 93, 94, 95,
4148 96, 97, 98, 99, 100, 101, 102, 103,
4149 104, 105, 106, 107, 108, 109, 110, 111,
4150 112, 113, 114, 115, 116, 117, 118, 119,
4151 120, 121, 122, 123, 124, 125, 126, 127,
4152 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4153 'H', 'I', 138, 139, 140, 141, 142, 143,
4154 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
4155 'Q', 'R', 154, 155, 156, 157, 158, 159,
4156 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
4157 'Y', 'Z', 170, 171, 172, 173, 174, 175,
4158 176, 177, 178, 179, 180, 181, 182, 183,
4159 184, 185, 186, 187, 188, 189, 190, 191,
4160 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4161 'h', 'i', 202, 203, 204, 205, 206, 207,
4162 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
4163 'q', 'r', 218, 219, 220, 221, 222, 223,
4164 224, 225, 's', 't', 'u', 'v', 'w', 'x',
4165 'y', 'z', 234, 235, 236, 237, 238, 239,
4166 240, 241, 242, 243, 244, 245, 246, 247,
4167 248, 249, 250, 251, 252, 253, 254, 255
4168};
4169#else /* ascii rather than ebcdic */
22c35a8c 4170EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4171 0, 1, 2, 3, 4, 5, 6, 7,
4172 8, 9, 10, 11, 12, 13, 14, 15,
4173 16, 17, 18, 19, 20, 21, 22, 23,
4174 24, 25, 26, 27, 28, 29, 30, 31,
4175 32, 33, 34, 35, 36, 37, 38, 39,
4176 40, 41, 42, 43, 44, 45, 46, 47,
4177 48, 49, 50, 51, 52, 53, 54, 55,
4178 56, 57, 58, 59, 60, 61, 62, 63,
4179 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4180 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4181 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4182 'x', 'y', 'z', 91, 92, 93, 94, 95,
4183 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4184 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4185 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4186 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4187 128, 129, 130, 131, 132, 133, 134, 135,
4188 136, 137, 138, 139, 140, 141, 142, 143,
4189 144, 145, 146, 147, 148, 149, 150, 151,
4190 152, 153, 154, 155, 156, 157, 158, 159,
4191 160, 161, 162, 163, 164, 165, 166, 167,
4192 168, 169, 170, 171, 172, 173, 174, 175,
4193 176, 177, 178, 179, 180, 181, 182, 183,
4194 184, 185, 186, 187, 188, 189, 190, 191,
4195 192, 193, 194, 195, 196, 197, 198, 199,
4196 200, 201, 202, 203, 204, 205, 206, 207,
4197 208, 209, 210, 211, 212, 213, 214, 215,
4198 216, 217, 218, 219, 220, 221, 222, 223,
4199 224, 225, 226, 227, 228, 229, 230, 231,
4200 232, 233, 234, 235, 236, 237, 238, 239,
4201 240, 241, 242, 243, 244, 245, 246, 247,
4202 248, 249, 250, 251, 252, 253, 254, 255
4203};
9d116dd7 4204#endif /* !EBCDIC */
79072805 4205#else
22c35a8c 4206EXTCONST unsigned char PL_fold[];
79072805
LW		 4207#endif
4208
27da23d5 4209#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4210#ifdef DOINIT
27da23d5 4211EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4212 0, 1, 2, 3, 4, 5, 6, 7,
4213 8, 9, 10, 11, 12, 13, 14, 15,
4214 16, 17, 18, 19, 20, 21, 22, 23,
4215 24, 25, 26, 27, 28, 29, 30, 31,
4216 32, 33, 34, 35, 36, 37, 38, 39,
4217 40, 41, 42, 43, 44, 45, 46, 47,
4218 48, 49, 50, 51, 52, 53, 54, 55,
4219 56, 57, 58, 59, 60, 61, 62, 63,
4220 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4221 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4222 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4223 'x', 'y', 'z', 91, 92, 93, 94, 95,
4224 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4225 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4226 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4227 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4228 128, 129, 130, 131, 132, 133, 134, 135,
4229 136, 137, 138, 139, 140, 141, 142, 143,
4230 144, 145, 146, 147, 148, 149, 150, 151,
4231 152, 153, 154, 155, 156, 157, 158, 159,
4232 160, 161, 162, 163, 164, 165, 166, 167,
4233 168, 169, 170, 171, 172, 173, 174, 175,
4234 176, 177, 178, 179, 180, 181, 182, 183,
4235 184, 185, 186, 187, 188, 189, 190, 191,
4236 192, 193, 194, 195, 196, 197, 198, 199,
4237 200, 201, 202, 203, 204, 205, 206, 207,
4238 208, 209, 210, 211, 212, 213, 214, 215,
4239 216, 217, 218, 219, 220, 221, 222, 223,
4240 224, 225, 226, 227, 228, 229, 230, 231,
4241 232, 233, 234, 235, 236, 237, 238, 239,
4242 240, 241, 242, 243, 244, 245, 246, 247,
4243 248, 249, 250, 251, 252, 253, 254, 255
4244};
4245#else
27da23d5 4246EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4247#endif
27da23d5 4248#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4249
4250#ifdef DOINIT
9d116dd7 4251#ifdef EBCDIC
27da23d5 4252EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4253 1, 2, 84, 151, 154, 155, 156, 157,
4254 165, 246, 250, 3, 158, 7, 18, 29,
4255 40, 51, 62, 73, 85, 96, 107, 118,
4256 129, 140, 147, 148, 149, 150, 152, 153,
4257 255, 6, 8, 9, 10, 11, 12, 13,
4258 14, 15, 24, 25, 26, 27, 28, 226,
4259 29, 30, 31, 32, 33, 43, 44, 45,
4260 46, 47, 48, 49, 50, 76, 77, 78,
4261 79, 80, 81, 82, 83, 84, 85, 86,
4262 87, 94, 95, 234, 181, 233, 187, 190,
4263 180, 96, 97, 98, 99, 100, 101, 102,
4264 104, 112, 182, 174, 236, 232, 229, 103,
4265 228, 226, 114, 115, 116, 117, 118, 119,
4266 120, 121, 122, 235, 176, 230, 194, 162,
4267 130, 131, 132, 133, 134, 135, 136, 137,
4268 138, 139, 201, 205, 163, 217, 220, 224,
4269 5, 248, 227, 244, 242, 255, 241, 231,
4270 240, 253, 16, 197, 19, 20, 21, 187,
4271 23, 169, 210, 245, 237, 249, 247, 239,
4272 168, 252, 34, 196, 36, 37, 38, 39,
4273 41, 42, 251, 254, 238, 223, 221, 213,
4274 225, 177, 52, 53, 54, 55, 56, 57,
4275 58, 59, 60, 61, 63, 64, 65, 66,
4276 67, 68, 69, 70, 71, 72, 74, 75,
4277 205, 208, 186, 202, 200, 218, 198, 179,
4278 178, 214, 88, 89, 90, 91, 92, 93,
4279 217, 166, 170, 207, 199, 209, 206, 204,
4280 160, 212, 105, 106, 108, 109, 110, 111,
4281 203, 113, 216, 215, 192, 175, 193, 243,
4282 172, 161, 123, 124, 125, 126, 127, 128,
4283 222, 219, 211, 195, 188, 193, 185, 184,
4284 191, 183, 141, 142, 143, 144, 145, 146
4285};
4286#else /* ascii rather than ebcdic */
22c35a8c 4287EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4288 1, 2, 84, 151, 154, 155, 156, 157,
4289 165, 246, 250, 3, 158, 7, 18, 29,
4290 40, 51, 62, 73, 85, 96, 107, 118,
4291 129, 140, 147, 148, 149, 150, 152, 153,
4292 255, 182, 224, 205, 174, 176, 180, 217,
4293 233, 232, 236, 187, 235, 228, 234, 226,
4294 222, 219, 211, 195, 188, 193, 185, 184,
4295 191, 183, 201, 229, 181, 220, 194, 162,
4296 163, 208, 186, 202, 200, 218, 198, 179,
4297 178, 214, 166, 170, 207, 199, 209, 206,
4298 204, 160, 212, 216, 215, 192, 175, 173,
4299 243, 172, 161, 190, 203, 189, 164, 230,
4300 167, 248, 227, 244, 242, 255, 241, 231,
4301 240, 253, 169, 210, 245, 237, 249, 247,
4302 239, 168, 252, 251, 254, 238, 223, 221,
4303 213, 225, 177, 197, 171, 196, 159, 4,
4304 5, 6, 8, 9, 10, 11, 12, 13,
4305 14, 15, 16, 17, 19, 20, 21, 22,
4306 23, 24, 25, 26, 27, 28, 30, 31,
4307 32, 33, 34, 35, 36, 37, 38, 39,
4308 41, 42, 43, 44, 45, 46, 47, 48,
4309 49, 50, 52, 53, 54, 55, 56, 57,
4310 58, 59, 60, 61, 63, 64, 65, 66,
4311 67, 68, 69, 70, 71, 72, 74, 75,
4312 76, 77, 78, 79, 80, 81, 82, 83,
4313 86, 87, 88, 89, 90, 91, 92, 93,
4314 94, 95, 97, 98, 99, 100, 101, 102,
4315 103, 104, 105, 106, 108, 109, 110, 111,
4316 112, 113, 114, 115, 116, 117, 119, 120,
4317 121, 122, 123, 124, 125, 126, 127, 128,
4318 130, 131, 132, 133, 134, 135, 136, 137,
4319 138, 139, 141, 142, 143, 144, 145, 146
4320};
9d116dd7 4321#endif
79072805 4322#else
22c35a8c 4323EXTCONST unsigned char PL_freq[];
79072805
LW		 4324#endif
4325
8990e307
LW		 4326#ifdef DEBUGGING
4327#ifdef DOINIT
27da23d5 4328EXTCONST char* const PL_block_type[] = {
8990e307
LW		 4329 "NULL",
4330 "SUB",
4331 "EVAL",
4332 "LOOP",
4333 "SUBST",
4334 "BLOCK",
0d863452
RH		 4335 "FORMAT",
4336 "GIVEN",
4337 "WHEN"
8990e307
LW		 4338};
4339#else
22c35a8c 4340EXTCONST char* PL_block_type[];
8990e307
LW		 4341#endif
4342#endif
4343
b75885fd
NC		 4344/* These are all the compile time options that affect binary compatibility.
4345 Other compile time options that are binary compatible are in perl.c
4346 Both are combined for the output of perl -V
4347 However, this string will be embedded in any shared perl library, which will
4348 allow us add a comparison check in perlmain.c in the near future. */
4349#ifdef DOINIT
4350EXTCONST char PL_bincompat_options[] =
4351# ifdef DEBUG_LEAKING_SCALARS
4352 " DEBUG_LEAKING_SCALARS"
4353# endif
4354# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4355 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4356# endif
4357# ifdef FAKE_THREADS
4358 " FAKE_THREADS"
4359# endif
4360# ifdef MULTIPLICITY
4361 " MULTIPLICITY"
4362# endif
4363# ifdef MYMALLOC
4364 " MYMALLOC"
4365# endif
4366# ifdef PERL_DEBUG_READONLY_OPS
4367 " PERL_DEBUG_READONLY_OPS"
4368# endif
4369# ifdef PERL_GLOBAL_STRUCT
4370 " PERL_GLOBAL_STRUCT"
4371# endif
4372# ifdef PERL_IMPLICIT_CONTEXT
4373 " PERL_IMPLICIT_CONTEXT"
4374# endif
4375# ifdef PERL_IMPLICIT_SYS
4376 " PERL_IMPLICIT_SYS"
4377# endif
4378# ifdef PERL_MAD
4379 " PERL_MAD"
4380# endif
4381# ifdef PERL_NEED_APPCTX
4382 " PERL_NEED_APPCTX"
4383# endif
4384# ifdef PERL_NEED_TIMESBASE
4385 " PERL_NEED_TIMESBASE"
4386# endif
4387# ifdef PERL_OLD_COPY_ON_WRITE
4388 " PERL_OLD_COPY_ON_WRITE"
4389# endif
4390# ifdef PERL_POISON
4391 " PERL_POISON"
4392# endif
4393# ifdef PERL_TRACK_MEMPOOL
4394 " PERL_TRACK_MEMPOOL"
4395# endif
4396# ifdef PERL_USES_PL_PIDSTATUS
4397 " PERL_USES_PL_PIDSTATUS"
4398# endif
4399# ifdef PL_OP_SLAB_ALLOC
4400 " PL_OP_SLAB_ALLOC"
4401# endif
4402# ifdef THREADS_HAVE_PIDS
4403 " THREADS_HAVE_PIDS"
4404# endif
4405# ifdef USE_64_BIT_ALL
4406 " USE_64_BIT_ALL"
4407# endif
4408# ifdef USE_64_BIT_INT
4409 " USE_64_BIT_INT"
4410# endif
c7b392fa
NC		 4411# ifdef USE_IEEE
4412 " USE_IEEE"
4413# endif
b75885fd
NC		 4414# ifdef USE_ITHREADS
4415 " USE_ITHREADS"
4416# endif
4417# ifdef USE_LARGE_FILES
4418 " USE_LARGE_FILES"
4419# endif
4420# ifdef USE_LONG_DOUBLE
4421 " USE_LONG_DOUBLE"
4422# endif
4423# ifdef USE_PERLIO
4424 " USE_PERLIO"
4425# endif
4426# ifdef USE_REENTRANT_API
4427 " USE_REENTRANT_API"
4428# endif
4429# ifdef USE_SFIO
4430 " USE_SFIO"
4431# endif
4432# ifdef USE_SOCKS
4433 " USE_SOCKS"
4434# endif
4f575702
CB		 4435# ifdef VMS_DO_SOCKETS
4436 " VMS_DO_SOCKETS"
4437# ifdef DECCRTL_SOCKETS
4438 " DECCRTL_SOCKETS"
4439# endif
4440# endif
4441# ifdef VMS_WE_ARE_CASE_SENSITIVE
4442 " VMS_SYMBOL_CASE_AS_IS"
4443# endif
a68dd89e 4444 "";
b75885fd
NC		 4445#else
4446EXTCONST char PL_bincompat_options[];
4447#endif
4448
73c4f7a1
GS		 4449END_EXTERN_C
4450
79072805
LW		 4451/*****************************************************************************/
4452/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4453/*****************************************************************************/
8990e307 4454/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4455
d4c3c482 4456#ifdef __Lynx__
9cffb111
OS		 4457/* LynxOS defines these in scsi.h which is included via ioctl.h */
4458#ifdef FORMAT
4459#undef FORMAT
4460#endif
4461#ifdef SPACE
4462#undef SPACE
4463#endif
d4c3c482 4464#endif
9cffb111 4465
fb73857a 4466#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4467
79072805
LW		 4468typedef enum {
4469 XOPERATOR,
4470 XTERM,
79072805 4471 XREF,
8990e307 4472 XSTATE,
a0d0e21e 4473 XBLOCK,
09bef843
SB		 4474 XATTRBLOCK,
4475 XATTRTERM,
6f33ba73
RGS		 4476 XTERMBLOCK,
4477 XTERMORDORDOR /* evil hack */
27308ded 4478 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4479} expectation;
4480
dc9e4912
GS		 4481enum { /* pass one of these to get_vtbl */
4482 want_vtbl_sv,
4483 want_vtbl_env,
4484 want_vtbl_envelem,
4485 want_vtbl_sig,
4486 want_vtbl_sigelem,
4487 want_vtbl_pack,
4488 want_vtbl_packelem,
4489 want_vtbl_dbline,
4490 want_vtbl_isa,
4491 want_vtbl_isaelem,
4492 want_vtbl_arylen,
4493 want_vtbl_glob,
4494 want_vtbl_mglob,
4495 want_vtbl_nkeys,
4496 want_vtbl_taint,
4497 want_vtbl_substr,
4498 want_vtbl_vec,
4499 want_vtbl_pos,
4500 want_vtbl_bm,
4501 want_vtbl_fm,
4502 want_vtbl_uvar,
4503 want_vtbl_defelem,
4504 want_vtbl_regexp,
4505 want_vtbl_collxfrm,
4506 want_vtbl_amagic,
4507 want_vtbl_amagicelem,
dc9e4912 4508 want_vtbl_regdata,
810b8aa5 4509 want_vtbl_regdatum,
7e8c5dac 4510 want_vtbl_backref,
8d2f4536 4511 want_vtbl_utf8,
83bf042f 4512 want_vtbl_symtab,
b3ca2e83
NC		 4513 want_vtbl_arylen_p,
4514 want_vtbl_hintselem
dc9e4912
GS		 4515};
4516
d5ec2987
NC		 4517
4518/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4519 special and there is no need for HINT_PRIVATE_MASK for COPs
4520 However, bitops store HINT_INTEGER in their op_private. */
9cfe5470
RGS		 4521#define HINT_INTEGER 0x00000001 /* integer pragma */
4522#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4523#define HINT_LOCALE 0x00000004 /* locale pragma */
4524#define HINT_BYTES 0x00000008 /* bytes pragma */
7b0bddfa 4525#define HINT_ARYBASE 0x00000010 /* $[ is non-zero */
a0ed51b3 4526 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 4527 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 4528
4529#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4530#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4531#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 4532
9cfe5470 4533/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4534#define HINT_NEW_INTEGER 0x00001000
4535#define HINT_NEW_FLOAT 0x00002000
4536#define HINT_NEW_BINARY 0x00004000
4537#define HINT_NEW_STRING 0x00008000
4538#define HINT_NEW_RE 0x00010000
4539#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 4540#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4541#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 4542
9cfe5470
RGS		 4543#define HINT_RE_TAINT 0x00100000 /* re pragma */
4544#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4545
9cfe5470
RGS		 4546#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4547#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4548
0239f47c 4549/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4550#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4551#define HINT_SORT_QUICKSORT 0x00000001
4552#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4553#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4554
8bfdd7d9 4555/* Various states of the input record separator SV (rs) */
d4cce5f1 4556#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4557#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4558#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4559#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4560
128e8167 4561/* A struct for keeping various DEBUGGING related stuff,
ce333219 4562 * neatly packed. Currently only scratch variables for
128e8167
JH		 4563 * constructing debug output are included. Needed always,
4564 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4565struct perl_debug_pad {
4566 SV pad[3];
4567};
4568
4569#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4570#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4571 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4572 PERL_DEBUG_PAD(i))
ce333219 4573
56953603 4574/* Enable variables which are pointers to functions */
a2efc822 4575typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 4576typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
4577typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
4578 char* strend, char* strbeg, I32 minend,
4579 SV* screamer, void* data, U32 flags);
f722798b
IZ		 4580typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
4581 char *strpos, char *strend,
4582 U32 flags,
9f61653a 4583 re_scream_pos_data *d);
f722798b
IZ		 4584typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
4585typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
84da74a7 4586typedef regexp*(CPERLscope(*regdupe_t)) (pTHX_ const regexp* r, CLONE_PARAMS *param);
56953603 4587
c76ac1ee 4588typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 4589typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
4590typedef void (*SVFUNC_t) (pTHX_ SV*);
4591typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
4592typedef void (*XSINIT_t) (pTHX);
4593typedef void (*ATEXIT_t) (pTHX_ void*);
4594typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4595
22239a37
NIS		 4596/* Set up PERLVAR macros for populating structs */
4597#define PERLVAR(var,type) type var;
51371543 4598#define PERLVARA(var,n,type) type var[n];
22239a37 4599#define PERLVARI(var,type,init) type var;
3fe35a81 4600#define PERLVARIC(var,type,init) type var;
27da23d5
JH		 4601#define PERLVARISC(var,init) const char var[sizeof(init)];
4602
4603typedef OP* (CPERLscope(*Perl_ppaddr_t))(pTHX);
4604typedef OP* (CPERLscope(*Perl_check_t)) (pTHX_ OP*);
22239a37 4605
58a50f62
GS		 4606/* Interpreter exitlist entry */
4607typedef struct exitlistentry {
acfe0abc 4608 void (*fn) (pTHX_ void*);
58a50f62
GS		 4609 void *ptr;
4610} PerlExitListEntry;
4611
aadb217d
JH		 4612/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4613/* These have to be before perlvars.h */
4614#if !defined(HAS_SIGACTION) && defined(VMS)
4615# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4616#endif
4617/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4618#if defined(KILL_BY_SIGPRC)
4619# define FAKE_DEFAULT_SIGNAL_HANDLERS
4620#endif
4621
22239a37
NIS		 4622#ifdef PERL_GLOBAL_STRUCT
4623struct perl_vars {
7766f137 4624# include "perlvars.h"
22239a37
NIS		 4625};
4626
7766f137 4627# ifdef PERL_CORE
27da23d5 4628# ifndef PERL_GLOBAL_STRUCT_PRIVATE
533c011a
NIS		 4629EXT struct perl_vars PL_Vars;
4630EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
27da23d5
JH		 4631# undef PERL_GET_VARS
4632# define PERL_GET_VARS() PL_VarsPtr
4633# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
7766f137
GS		 4634# else /* PERL_CORE */
4635# if !defined(__GNUC__) || !defined(WIN32)
22239a37 4636EXT
7766f137 4637# endif /* WIN32 */
533c011a 4638struct perl_vars *PL_VarsPtr;
7766f137
GS		 4639# define PL_Vars (*((PL_VarsPtr) \
4640 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
4641# endif /* PERL_CORE */
22239a37
NIS		 4642#endif /* PERL_GLOBAL_STRUCT */
4643
acfe0abc 4644#if defined(MULTIPLICITY)
d460ef45 4645/* If we have multiple interpreters define a struct
d4cce5f1 4646 holding variables which must be per-interpreter
d460ef45 4647 If we don't have threads anything that would have
d4cce5f1
NIS		 4648 be per-thread is per-interpreter.
4649*/
4650
79072805 4651struct interpreter {
7766f137 4652# include "intrpvar.h"
49f531da 4653};
d4cce5f1 4654
79072805 4655#else
49f531da
NIS		 4656struct interpreter {
4657 char broiled;
4658};
acfe0abc 4659#endif /* MULTIPLICITY */
79072805 4660
22239a37 4661/* Done with PERLVAR macros for now ... */
d4cce5f1 4662#undef PERLVAR
51371543 4663#undef PERLVARA
d4cce5f1 4664#undef PERLVARI
3fe35a81 4665#undef PERLVARIC
27da23d5 4666#undef PERLVARISC
79072805 4667
f7fe979e 4668struct tempsym; /* defined in pp_pack.c */
49704364 4669
22239a37 4670#include "thread.h"
79072805 4671#include "pp.h"
864dbfa3
GS		 4672
4673#ifndef PERL_CALLCONV
a0c21aa1
JH		 4674# ifdef __cplusplus
4675# define PERL_CALLCONV extern "C"
4676# else
4677# define PERL_CALLCONV
4678# endif
d460ef45 4679#endif
0cb96387
GS		 4680#undef PERL_CKDEF
4681#undef PERL_PPDEF
0159f81b
JH		 4682#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
4683#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 4684
7766f137 4685#include "proto.h"
864dbfa3 4686
0cb96387 4687/* this has structure inits, so it cannot be included before here */
acfe0abc 4688#include "opcode.h"
864dbfa3 4689
d4cce5f1
NIS		 4690/* The following must follow proto.h as #defines mess up syntax */
4691
22c35a8c
GS		 4692#if !defined(PERL_FOR_X2P)
4693# include "embedvar.h"
4694#endif
598921a7
NC		 4695#ifndef PERL_MAD
4696# undef PL_madskills
4697# undef PL_xmlfp
4698# define PL_madskills 0
4699# define PL_xmlfp 0
4700#endif
d4cce5f1 4701
d460ef45 4702/* Now include all the 'global' variables
d4cce5f1 4703 * If we don't have threads or multiple interpreters
d460ef45 4704 * these include variables that would have been their struct-s
d4cce5f1 4705 */
d460ef45 4706
533c011a 4707#define PERLVAR(var,type) EXT type PL_##var;
51371543 4708#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 4709#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
4710#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
27da23d5 4711#define PERLVARISC(var,init) EXTCONST char PL_##var[sizeof(init)] INIT(init);
d4cce5f1 4712
acfe0abc 4713#if !defined(MULTIPLICITY)
7766f137 4714START_EXTERN_C
066ef5b5 4715# include "intrpvar.h"
7766f137 4716END_EXTERN_C
22239a37
NIS		 4717#endif
4718
acfe0abc 4719#if defined(WIN32)
66a93824 4720/* Now all the config stuff is setup we can include embed.h */
22c35a8c 4721# include "embed.h"
eb8433b7
NC		 4722# ifndef PERL_MAD
4723# undef op_getmad
b3f24c00 4724# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 4725# endif
acfe0abc 4726#endif
22239a37 4727
c5be433b
GS		 4728#ifndef PERL_GLOBAL_STRUCT
4729START_EXTERN_C
4730
4731# include "perlvars.h"
4732
4733END_EXTERN_C
4734#endif
4735
d4cce5f1 4736#undef PERLVAR
51371543 4737#undef PERLVARA
d4cce5f1 4738#undef PERLVARI
0f3f18a6 4739#undef PERLVARIC
79072805 4740
73c4f7a1
GS		 4741START_EXTERN_C
4742
bc028b6b
JH		 4743/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
4744 * magic vtables const, but this is incompatible with SWIG which
4745 * does want to modify the vtables. */
4746#ifdef PERL_GLOBAL_STRUCT_PRIVATE
4747# define EXT_MGVTBL EXTCONST MGVTBL
4748#else
4749# define EXT_MGVTBL EXT MGVTBL
4750#endif
4751
79072805 4752#ifdef DOINIT
bc028b6b 4753# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var = {a,b,c,d,e,f,g,h}
2664ba31 4754/* Like MGVTBL_SET but with the get magic having a const MG* */
bc028b6b 4755# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var \
2664ba31 4756 = {(int (*)(pTHX_ SV *, MAGIC *))a,b,c,d,e,f,g,h}
4944113a 4757#else
bc028b6b
JH		 4758# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var
4759# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var
4944113a
AL		 4760#endif
4761
abdc98d4
NC		 4762/* These all need to be 0, not NULL, as NULL can be (void*)0, which is a
4763 * pointer to data, whereas we're assigning pointers to functions, which are
4764 * not the same beast. ANSI doesn't allow the assignment from one to the other.
4765 * (although most, but not all, compilers are prepared to do it)
4766 */
4944113a
AL		 4767MGVTBL_SET(
4768 PL_vtbl_sv,
4769 MEMBER_TO_FPTR(Perl_magic_get),
4770 MEMBER_TO_FPTR(Perl_magic_set),
4771 MEMBER_TO_FPTR(Perl_magic_len),
abdc98d4
NC		 4772 0,
4773 0,
4774 0,
4775 0,
4776 0
4944113a
AL		 4777);
4778
4779MGVTBL_SET(
4780 PL_vtbl_env,
abdc98d4 4781 0,
4944113a 4782 MEMBER_TO_FPTR(Perl_magic_set_all_env),
abdc98d4 4783 0,
4944113a 4784 MEMBER_TO_FPTR(Perl_magic_clear_all_env),
abdc98d4
NC		 4785 0,
4786 0,
4787 0,
4788 0
4944113a
AL		 4789);
4790
4791MGVTBL_SET(
4792 PL_vtbl_envelem,
abdc98d4 4793 0,
4944113a 4794 MEMBER_TO_FPTR(Perl_magic_setenv),
abdc98d4 4795 0,
4944113a 4796 MEMBER_TO_FPTR(Perl_magic_clearenv),
abdc98d4
NC		 4797 0,
4798 0,
4799 0,
4800 0
4944113a
AL		 4801);
4802
abdc98d4 4803/* For now, hints magic will also use vtbl_sig, because it is all 0 */
4944113a
AL		 4804MGVTBL_SET(
4805 PL_vtbl_sig,
abdc98d4
NC		 4806 0,
4807 0,
4808 0,
4809 0,
4810 0,
4811 0,
4812 0,
4813 0
4944113a
AL		 4814);
4815
9ba75e3c 4816#ifdef PERL_MICRO
4944113a
AL		 4817MGVTBL_SET(
4818 PL_vtbl_sigelem,
abdc98d4
NC		 4819 0,
4820 0,
4821 0,
4822 0,
4823 0,
4824 0,
4825 0,
4826 0
9ba75e3c
DD		 4827);
4828
64ca3a65 4829#else
9ba75e3c
DD		 4830MGVTBL_SET(
4831 PL_vtbl_sigelem,
4944113a
AL		 4832 MEMBER_TO_FPTR(Perl_magic_getsig),
4833 MEMBER_TO_FPTR(Perl_magic_setsig),
abdc98d4 4834 0,
4944113a 4835 MEMBER_TO_FPTR(Perl_magic_clearsig),
abdc98d4
NC		 4836 0,
4837 0,
4838 0,
4839 0
4944113a 4840);
9ba75e3c 4841#endif
4944113a
AL		 4842
4843MGVTBL_SET(
4844 PL_vtbl_pack,
abdc98d4
NC		 4845 0,
4846 0,
4944113a
AL		 4847 MEMBER_TO_FPTR(Perl_magic_sizepack),
4848 MEMBER_TO_FPTR(Perl_magic_wipepack),
abdc98d4
NC		 4849 0,
4850 0,
4851 0,
4852 0
4944113a
AL		 4853);
4854
4855MGVTBL_SET(
4856 PL_vtbl_packelem,
4857 MEMBER_TO_FPTR(Perl_magic_getpack),
4858 MEMBER_TO_FPTR(Perl_magic_setpack),
abdc98d4 4859 0,
4944113a 4860 MEMBER_TO_FPTR(Perl_magic_clearpack),
abdc98d4
NC		 4861 0,
4862 0,
4863 0,
4864 0
4944113a
AL		 4865);
4866
4867MGVTBL_SET(
4868 PL_vtbl_dbline,
abdc98d4 4869 0,
4944113a 4870 MEMBER_TO_FPTR(Perl_magic_setdbline),
abdc98d4
NC		 4871 0,
4872 0,
4873 0,
4874 0,
4875 0,
4876 0
4944113a
AL		 4877);
4878
4879MGVTBL_SET(
4880 PL_vtbl_isa,
abdc98d4 4881 0,
4944113a 4882 MEMBER_TO_FPTR(Perl_magic_setisa),
abdc98d4 4883 0,
4944113a 4884 MEMBER_TO_FPTR(Perl_magic_setisa),
0fa56319 4885 0,
abdc98d4
NC		 4886 0,
4887 0,
4888 0
4944113a
AL		 4889);
4890
4891MGVTBL_SET(
4892 PL_vtbl_isaelem,
abdc98d4 4893 0,
4944113a 4894 MEMBER_TO_FPTR(Perl_magic_setisa),
abdc98d4
NC		 4895 0,
4896 0,
4897 0,
4898 0,
4899 0,
4900 0
4944113a
AL		 4901);
4902
2e2109e1 4903MGVTBL_SET_CONST_MAGIC_GET(
4944113a
AL		 4904 PL_vtbl_arylen,
4905 MEMBER_TO_FPTR(Perl_magic_getarylen),
4906 MEMBER_TO_FPTR(Perl_magic_setarylen),
abdc98d4
NC		 4907 0,
4908 0,
4909 0,
4910 0,
4911 0,
4912 0
4944113a
AL		 4913);
4914
4915MGVTBL_SET(
83bf042f 4916 PL_vtbl_arylen_p,
abdc98d4
NC		 4917 0,
4918 0,
4919 0,
4920 0,
83bf042f 4921 MEMBER_TO_FPTR(Perl_magic_freearylen_p),
abdc98d4
NC		 4922 0,
4923 0,
4924 0
83bf042f
NC		 4925);
4926
4927MGVTBL_SET(
4944113a 4928 PL_vtbl_mglob,
abdc98d4 4929 0,
4944113a 4930 MEMBER_TO_FPTR(Perl_magic_setmglob),
abdc98d4
NC		 4931 0,
4932 0,
4933 0,
4934 0,
4935 0,
4936 0
4944113a
AL		 4937);
4938
4939MGVTBL_SET(
4940 PL_vtbl_nkeys,
4941 MEMBER_TO_FPTR(Perl_magic_getnkeys),
4942 MEMBER_TO_FPTR(Perl_magic_setnkeys),
abdc98d4
NC		 4943 0,
4944 0,
4945 0,
4946 0,
4947 0,
4948 0
4944113a
AL		 4949);
4950
4951MGVTBL_SET(
4952 PL_vtbl_taint,
4953 MEMBER_TO_FPTR(Perl_magic_gettaint),
4954 MEMBER_TO_FPTR(Perl_magic_settaint),
abdc98d4
NC		 4955 0,
4956 0,
4957 0,
4958 0,
4959 0,
4960 0
4944113a
AL		 4961);
4962
4963MGVTBL_SET(
4964 PL_vtbl_substr,
4965 MEMBER_TO_FPTR(Perl_magic_getsubstr),
4966 MEMBER_TO_FPTR(Perl_magic_setsubstr),
abdc98d4
NC		 4967 0,
4968 0,
4969 0,
4970 0,
4971 0,
4972 0
4944113a
AL		 4973);
4974
4975MGVTBL_SET(
4976 PL_vtbl_vec,
4977 MEMBER_TO_FPTR(Perl_magic_getvec),
4978 MEMBER_TO_FPTR(Perl_magic_setvec),
abdc98d4
NC		 4979 0,
4980 0,
4981 0,
4982 0,
4983 0,
4984 0
4944113a
AL		 4985);
4986
4987MGVTBL_SET(
4988 PL_vtbl_pos,
4989 MEMBER_TO_FPTR(Perl_magic_getpos),
4990 MEMBER_TO_FPTR(Perl_magic_setpos),
abdc98d4
NC		 4991 0,
4992 0,
4993 0,
4994 0,
4995 0,
4996 0
4944113a
AL		 4997);
4998
4999MGVTBL_SET(
5000 PL_vtbl_bm,
abdc98d4 5001 0,
4944113a 5002 MEMBER_TO_FPTR(Perl_magic_setbm),
abdc98d4
NC		 5003 0,
5004 0,
5005 0,
5006 0,
5007 0,
5008 0
4944113a
AL		 5009);
5010
5011MGVTBL_SET(
5012 PL_vtbl_fm,
abdc98d4 5013 0,
4944113a 5014 MEMBER_TO_FPTR(Perl_magic_setfm),
abdc98d4
NC		 5015 0,
5016 0,
5017 0,
5018 0,
5019 0,
5020 0
4944113a
AL		 5021);
5022
5023MGVTBL_SET(
5024 PL_vtbl_uvar,
5025 MEMBER_TO_FPTR(Perl_magic_getuvar),
5026 MEMBER_TO_FPTR(Perl_magic_setuvar),
abdc98d4
NC		 5027 0,
5028 0,
5029 0,
5030 0,
5031 0,
5032 0
4944113a
AL		 5033);
5034
5035MGVTBL_SET(
5036 PL_vtbl_defelem,
5037 MEMBER_TO_FPTR(Perl_magic_getdefelem),
5038 MEMBER_TO_FPTR(Perl_magic_setdefelem),
abdc98d4
NC		 5039 0,
5040 0,
5041 0,
5042 0,
5043 0,
5044 0
4944113a
AL		 5045);
5046
5047MGVTBL_SET(
5048 PL_vtbl_regexp,
abdc98d4 5049 0,
4944113a 5050 MEMBER_TO_FPTR(Perl_magic_setregexp),
abdc98d4
NC		 5051 0,
5052 0,
4944113a 5053 MEMBER_TO_FPTR(Perl_magic_freeregexp),
abdc98d4
NC		 5054 0,
5055 0,
5056 0
4944113a
AL		 5057);
5058
5059MGVTBL_SET(
5060 PL_vtbl_regdata,
abdc98d4
NC		 5061 0,
5062 0,
4944113a 5063 MEMBER_TO_FPTR(Perl_magic_regdata_cnt),
abdc98d4
NC		 5064 0,
5065 0,
5066 0,
5067 0,
5068 0
4944113a
AL		 5069);
5070
5071MGVTBL_SET(
5072 PL_vtbl_regdatum,
5073 MEMBER_TO_FPTR(Perl_magic_regdatum_get),
5074 MEMBER_TO_FPTR(Perl_magic_regdatum_set),
abdc98d4
NC		 5075 0,
5076 0,
5077 0,
5078 0,
5079 0,
5080 0
4944113a
AL		 5081);
5082
5083MGVTBL_SET(
5084 PL_vtbl_amagic,
abdc98d4 5085 0,
4944113a 5086 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5087 0,
5088 0,
4944113a 5089 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5090 0,
5091 0,
5092 0
4944113a
AL		 5093);
5094
5095MGVTBL_SET(
5096 PL_vtbl_amagicelem,
abdc98d4 5097 0,
4944113a 5098 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5099 0,
5100 0,
4944113a 5101 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5102 0,
5103 0,
5104 0
4944113a
AL		 5105);
5106
5107MGVTBL_SET(
5108 PL_vtbl_backref,
abdc98d4
NC		 5109 0,
5110 0,
5111 0,
5112 0,
4944113a 5113 MEMBER_TO_FPTR(Perl_magic_killbackrefs),
abdc98d4
NC		 5114 0,
5115 0,
5116 0
4944113a
AL		 5117);
5118
5119MGVTBL_SET(
5120 PL_vtbl_ovrld,
abdc98d4
NC		 5121 0,
5122 0,
5123 0,
5124 0,
4944113a 5125 MEMBER_TO_FPTR(Perl_magic_freeovrld),
abdc98d4
NC		 5126 0,
5127 0,
5128 0
4944113a
AL		 5129);
5130
5131MGVTBL_SET(
5132 PL_vtbl_utf8,
abdc98d4 5133 0,
4944113a 5134 MEMBER_TO_FPTR(Perl_magic_setutf8),
abdc98d4
NC		 5135 0,
5136 0,
5137 0,
5138 0,
5139 0,
5140 0
4944113a 5141);
36477c24 5142#ifdef USE_LOCALE_COLLATE
4944113a
AL		 5143MGVTBL_SET(
5144 PL_vtbl_collxfrm,
abdc98d4 5145 0,
4944113a 5146 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
abdc98d4
NC		 5147 0,
5148 0,
5149 0,
5150 0,
5151 0,
5152 0
4944113a 5153);
bbce6d69 5154#endif
a0d0e21e 5155
b3ca2e83
NC		 5156MGVTBL_SET(
5157 PL_vtbl_hintselem,
abdc98d4 5158 0,
b3ca2e83 5159 MEMBER_TO_FPTR(Perl_magic_sethint),
abdc98d4 5160 0,
b3ca2e83 5161 MEMBER_TO_FPTR(Perl_magic_clearhint),
abdc98d4
NC		 5162 0,
5163 0,
5164 0,
5165 0
b3ca2e83
NC		 5166);
5167
bab3dc31 5168#include "overload.h"
a0d0e21e 5169
73c4f7a1
GS		 5170END_EXTERN_C
5171
a6006777 5172struct am_table {
8175493d 5173 U32 flags;
eb160463 5174 U32 was_ok_sub;
a0d0e21e 5175 long was_ok_am;
a0d0e21e 5176 long fallback;
9bd87817 5177 CV* table[NofAMmeth];
a0d0e21e 5178};
a6006777 5179struct am_table_short {
8175493d 5180 U32 flags;
eb160463 5181 U32 was_ok_sub;
a6006777 5182 long was_ok_am;
a6006777 5183};
a0d0e21e 5184typedef struct am_table AMT;
a6006777 5185typedef struct am_table_short AMTS;
a0d0e21e
LW		 5186
5187#define AMGfallNEVER 1
5188#define AMGfallNO 2
5189#define AMGfallYES 3
5190
a6006777 5191#define AMTf_AMAGIC 1
32251b26 5192#define AMTf_OVERLOADED 2
a6006777 5193#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5194#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5195#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 5196#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
5197#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
5198#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 5199
32251b26 5200#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5201
5202/*
5203 * some compilers like to redefine cos et alia as faster
5204 * (and less accurate?) versions called F_cos et cetera (Quidquid
5205 * latine dictum sit, altum viditur.) This trick collides with
5206 * the Perl overloading (amg). The following #defines fool both.
5207 */
5208
5209#ifdef _FASTMATH
5210# ifdef atan2
5211# define F_atan2_amg atan2_amg
5212# endif
5213# ifdef cos
5214# define F_cos_amg cos_amg
5215# endif
5216# ifdef exp
5217# define F_exp_amg exp_amg
5218# endif
5219# ifdef log
5220# define F_log_amg log_amg
5221# endif
5222# ifdef pow
5223# define F_pow_amg pow_amg
5224# endif
5225# ifdef sin
5226# define F_sin_amg sin_amg
5227# endif
5228# ifdef sqrt
5229# define F_sqrt_amg sqrt_amg
5230# endif
5231#endif /* _FASTMATH */
5232
83ee9e09
GS		 5233#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5234 PERLDBf_NOOPT | PERLDBf_INTER | \
5235 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
06492da6
SF		 5236 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON )
5237 /* No _NONAME, _GOTO, _ASSERTION */
83ee9e09
GS		 5238#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5239#define PERLDBf_LINE 0x02 /* Keep line # */
5240#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5241#define PERLDBf_INTER 0x08 /* Preserve more data for
5242 later inspections */
5243#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5244#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5245#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5246#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5247#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5248#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
84902520 5249
3280af22
NIS		 5250#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5251#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5252#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5253#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5254#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5255#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5256#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5257#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5258#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5259#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
06492da6 5260#define PERLDB_ASSERTION (PL_perldb && (PL_perldb & PERLDBf_ASSERTION))
bbce6d69 5261
36477c24 5262#ifdef USE_LOCALE_NUMERIC
bbce6d69 5263
36477c24 5264#define SET_NUMERIC_STANDARD() \
ff4fed7c 5265 set_numeric_standard();
36477c24 5266
5267#define SET_NUMERIC_LOCAL() \
ff4fed7c 5268 set_numeric_local();
bbce6d69 5269
a98fe34d 5270#define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE)
2de3dbcc
JH		 5271#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
5272
5273#define IN_LOCALE \
923e4eb5 5274 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
2de3dbcc 5275
f93f4e46 5276#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 5277 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 5278 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 5279
5280#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 5281 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 5282 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 5283
5284#define RESTORE_NUMERIC_LOCAL() \
5285 if (was_local) SET_NUMERIC_LOCAL();
5286
5287#define RESTORE_NUMERIC_STANDARD() \
5288 if (was_standard) SET_NUMERIC_STANDARD();
5289
5b877257 5290#define Atof my_atof
097ee67d 5291
36477c24 5292#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5293
097ee67d
JH		 5294#define SET_NUMERIC_STANDARD() /**/
5295#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5296#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5297#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5298#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 5299#define RESTORE_NUMERIC_LOCAL() /**/
5300#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 5301#define Atof my_atof
ad3e0f90 5302#define IN_LOCALE_RUNTIME 0
bbce6d69 5303
36477c24 5304#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5305
079290de 5306#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5307# ifdef __hpux
5308# define strtoll __strtoll /* secret handshake */
5309# endif
c623ac67
GS		 5310# ifdef WIN64
5311# define strtoll _strtoi64 /* secret handshake */
5312# endif
079290de
GS		 5313# if !defined(Strtol) && defined(HAS_STRTOLL)
5314# define Strtol strtoll
ad551343 5315# endif
28e5dec8
JH		 5316# if !defined(Strtol) && defined(HAS_STRTOQ)
5317# define Strtol strtoq
5318# endif
ff935051 5319/* is there atoq() anywhere? */
15b99d39 5320#endif
079290de
GS		 5321#if !defined(Strtol) && defined(HAS_STRTOL)
5322# define Strtol strtol
5323#endif
5324#ifndef Atol
5325/* It would be more fashionable to use Strtol() to define atol()
5326 * (as is done for Atoul(), see below) but for backward compatibility
5327 * we just assume atol(). */
76b882ba 5328# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 5329# ifdef WIN64
5330# define atoll _atoi64 /* secret handshake */
5331# endif
76b882ba
JH		 5332# define Atol atoll
5333# else
5334# define Atol atol
5335# endif
cf2093f6
JH		 5336#endif
5337
55eb892c 5338#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5339# ifdef __hpux
5340# define strtoull __strtoull /* secret handshake */
5341# endif
c623ac67
GS		 5342# ifdef WIN64
5343# define strtoull _strtoui64 /* secret handshake */
5344# endif
ad551343 5345# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5346# define Strtoul strtoull
15b99d39 5347# endif
079290de
GS		 5348# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5349# define Strtoul strtouq
5350# endif
76d49b1c 5351/* is there atouq() anywhere? */
ad551343 5352#endif
079290de
GS		 5353#if !defined(Strtoul) && defined(HAS_STRTOUL)
5354# define Strtoul strtoul
cf2093f6 5355#endif
a5523c5b
JH		 5356#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5357# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5358#endif
079290de 5359#ifndef Atoul
d4c19fe8 5360# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5361#endif
cf2093f6 5362
760ac839 5363
06d86050
GS		 5364/* if these never got defined, they need defaults */
5365#ifndef PERL_SET_CONTEXT
5366# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5367#endif
5368
5369#ifndef PERL_GET_CONTEXT
5370# define PERL_GET_CONTEXT PERL_GET_INTERP
5371#endif
5372
5373#ifndef PERL_GET_THX
5374# define PERL_GET_THX ((void*)NULL)
5375#endif
5376
5377#ifndef PERL_SET_THX
5378# define PERL_SET_THX(t) NOOP
5379#endif
5380
a868473f
NIS		 5381#ifndef PERL_SCRIPT_MODE
5382#define PERL_SCRIPT_MODE "r"
5383#endif
5384
fba3b22e 5385/*
da927450
JH		 5386 * Some operating systems are stingy with stack allocation,
5387 * so perl may have to guard against stack overflow.
5388 */
5389#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5390#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5391#endif
5392
5393/*
5394 * Some nonpreemptive operating systems find it convenient to
5395 * check for asynchronous conditions after each op execution.
5396 * Keep this check simple, or it may slow down execution
5397 * massively.
5398 */
ce08f86c 5399
1d615522 5400#ifndef PERL_MICRO
4ffa73a3
JH		 5401# ifndef PERL_ASYNC_CHECK
5402# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
5403# endif
ce08f86c
NIS		 5404#endif
5405
da927450 5406#ifndef PERL_ASYNC_CHECK
1d615522 5407# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5408#endif
5409
5410/*
5411 * On some operating systems, a memory allocation may succeed,
5412 * but put the process too close to the system's comfort limit.
5413 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5414 * it to NULL.
5415 */
5416#ifndef PERL_ALLOC_CHECK
c2af87cb 5417#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5418#endif
5419
bd89102f
AD		 5420#ifdef HAS_SEM
5421# include <sys/ipc.h>
5422# include <sys/sem.h>
5423# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5424 union semun {
dbba660d
TC		 5425 int val;
5426 struct semid_ds *buf;
5427 unsigned short *array;
bd89102f
AD		 5428 };
5429# endif
5430# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5431# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5432 union gccbug_semun {
5433 int val;
5434 struct semid_ds *buf;
5435 unsigned short *array;
5436 char __dummy[5];
5437 };
5438# define semun gccbug_semun
5439# endif
bd89102f
AD		 5440# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5441# else
5442# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5443# ifdef EXTRA_F_IN_SEMUN_BUF
5444# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5445# else
5446# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5447# endif
bd89102f
AD		 5448# endif
5449# endif
bd89102f 5450#endif
49f531da 5451
89ca4ac7
JH		 5452/*
5453 * Boilerplate macros for initializing and accessing interpreter-local
5454 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 5455 * this, if you want to make the extension thread-safe. See
5456 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5457 * and perlxs.pod for more.
89ca4ac7
JH		 5458 *
5459 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5460 * 1. #define MY_CXT_KEY to a unique string, e.g.
5461 * "DynaLoader::_guts" XS_VERSION
f16dd614 5462 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5463 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5464 * all the data that needs to be interpreter-local.
5465 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5466 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5467 * (typically put in the BOOT: section).
5468 * 5. Use the members of the my_cxt_t structure everywhere as
5469 * MY_CXT.member.
5470 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5471 * access MY_CXT.
5472 */
5473
fc958cd2 5474#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 5475
53d44271
JH		 5476#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5477
5478/* This must appear in all extensions that define a my_cxt_t structure,
5479 * right after the definition (i.e. at file scope). The non-threads
5480 * case below uses it to declare the data as static. */
5481#define START_MY_CXT
5482#define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5483
5484/* Creates and zeroes the per-interpreter data.
5485 * (We allocate my_cxtp in a Perl SV so that it will be released when
5486 * the interpreter goes away.) */
5487#define MY_CXT_INIT \
5488 my_cxt_t *my_cxtp = \
5489 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_KEY, sizeof(my_cxt_t))
5490#define MY_CXT_INIT_INTERP(my_perl) \
5491 my_cxt_t *my_cxtp = \
5492 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_KEY, sizeof(my_cxt_t))
5493
5494/* This declaration should be used within all functions that use the
5495 * interpreter-local data. */
5496#define dMY_CXT \
5497 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
5498#define dMY_CXT_INTERP(my_perl) \
5499 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5500
5501/* Clones the per-interpreter data. */
5502#define MY_CXT_CLONE \
5503 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5504 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5505 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5506
5507#else /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
5508
89ca4ac7
JH		 5509/* This must appear in all extensions that define a my_cxt_t structure,
5510 * right after the definition (i.e. at file scope). The non-threads
5511 * case below uses it to declare the data as static. */
f16dd614 5512#define START_MY_CXT static int my_cxt_index = -1;
89ca4ac7
JH		 5513
5514/* This declaration should be used within all functions that use the
5515 * interpreter-local data. */
5516#define dMY_CXT \
f16dd614
DM		 5517 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[my_cxt_index]
5518#define dMY_CXT_INTERP(my_perl) \
5519 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[my_cxt_index]
89ca4ac7
JH		 5520
5521/* Creates and zeroes the per-interpreter data.
5522 * (We allocate my_cxtp in a Perl SV so that it will be released when
5523 * the interpreter goes away.) */
5524#define MY_CXT_INIT \
f16dd614
DM		 5525 my_cxt_t *my_cxtp = \
5526 (my_cxt_t*)Perl_my_cxt_init(aTHX_ &my_cxt_index, sizeof(my_cxt_t))
5527#define MY_CXT_INIT_INTERP(my_perl) \
5528 my_cxt_t *my_cxtp = \
5529 (my_cxt_t*)Perl_my_cxt_init(my_perl, &my_cxt_index, sizeof(my_cxt_t))
89ca4ac7 5530
8fba5d14
MHM		 5531/* Clones the per-interpreter data. */
5532#define MY_CXT_CLONE \
8fba5d14 5533 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
f16dd614
DM		 5534 Copy(PL_my_cxt_list[my_cxt_index], my_cxtp, 1, my_cxt_t);\
5535 PL_my_cxt_list[my_cxt_index] = my_cxtp \
8fba5d14 5536
53d44271
JH		 5537#endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
5538
89ca4ac7
JH		 5539/* This macro must be used to access members of the my_cxt_t structure.
5540 * e.g. MYCXT.some_data */
5541#define MY_CXT (*my_cxtp)
5542
5543/* Judicious use of these macros can reduce the number of times dMY_CXT
5544 * is used. Use is similar to pTHX, aTHX etc. */
5545#define pMY_CXT my_cxt_t *my_cxtp
5546#define pMY_CXT_ pMY_CXT,
5547#define _pMY_CXT ,pMY_CXT
5548#define aMY_CXT my_cxtp
5549#define aMY_CXT_ aMY_CXT,
5550#define _aMY_CXT ,aMY_CXT
5551
f16dd614 5552#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7
JH		 5553
5554#define START_MY_CXT static my_cxt_t my_cxt;
5555#define dMY_CXT_SV dNOOP
5556#define dMY_CXT dNOOP
5557#define MY_CXT_INIT NOOP
8fba5d14 5558#define MY_CXT_CLONE NOOP
89ca4ac7
JH		 5559#define MY_CXT my_cxt
5560
5561#define pMY_CXT void
5562#define pMY_CXT_
5563#define _pMY_CXT
5564#define aMY_CXT
5565#define aMY_CXT_
5566#define _aMY_CXT
5567
f16dd614 5568#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5569
9a34ef1d
GS		 5570#ifdef I_FCNTL
5571# include <fcntl.h>
9a34ef1d
GS		 5572#endif
5573
9cffb111
OS		 5574#ifdef __Lynx__
5575# include <fcntl.h>
5576#endif
5577
9a34ef1d
GS		 5578#ifdef I_SYS_FILE
5579# include <sys/file.h>
5580#endif
5581
fa0a29af 5582#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5583int flock(int fd, int op);
5584#endif
5585
fe52b3b7
GS		 5586#ifndef O_RDONLY
5587/* Assume UNIX defaults */
5588# define O_RDONLY 0000
5589# define O_WRONLY 0001
5590# define O_RDWR 0002
5591# define O_CREAT 0100
5592#endif
9a34ef1d 5593
16fe6d59
GS		 5594#ifndef O_BINARY
5595# define O_BINARY 0
5596#endif
5597
5598#ifndef O_TEXT
5599# define O_TEXT 0
5600#endif
5601
6ce75a77
JH		 5602#if O_TEXT != O_BINARY
5603 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5604 * that is, you are somehow DOSish. */
538204d5 5605# if defined(__BEOS__) || defined(__VOS__) || defined(__CYGWIN__)
a6e45062
JH		 5606 /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5607 * BeOS is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5608 /* VOS has O_TEXT != O_BINARY, and they have effect,
5609 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5610 /* If you have O_TEXT different from your O_BINARY but you still are
5611 * not a CRLF shop. */
35990314 5612# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5613# else
5614 /* If you really are DOSish. */
5615# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5616# endif
5617#endif
5618
104d25b7
JH		 5619#ifdef IAMSUID
5620
5621#ifdef I_SYS_STATVFS
9f982a77
IG		 5622# if defined(PERL_SCO) && !defined(_SVID3)
5623# define _SVID3
5624# endif
32b3cf08
JH		 5625# include <sys/statvfs.h> /* for f?statvfs() */
5626#endif
5627#ifdef I_SYS_MOUNT
5628# include <sys/mount.h> /* for *BSD f?statfs() */
5629#endif
5630#ifdef I_MNTENT
5631# include <mntent.h> /* for getmntent() */
104d25b7 5632#endif
0545a864
JH		 5633#ifdef I_SYS_STATFS
5634# include <sys/statfs.h> /* for some statfs() */
5635#endif
5636#ifdef I_SYS_VFS
8d9e1a19
GS		 5637# ifdef __sgi
5638# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
5639# endif
5640# include <sys/vfs.h> /* for some statfs() */
5641# ifdef __sgi
5642# undef IRIX_sv
5643# endif
0545a864
JH		 5644#endif
5645#ifdef I_USTAT
5646# include <ustat.h> /* for ustat() */
5647#endif
5648
5649#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
5650# define PERL_MOUNT_NOSUID MOUNT_NOSUID
5651#endif
5652#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
5653# define PERL_MOUNT_NOSUID MNT_NOSUID
5654#endif
5655#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
5656# define PERL_MOUNT_NOSUID MS_NOSUID
5657#endif
5658#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
5659# define PERL_MOUNT_NOSUID M_NOSUID
5660#endif
104d25b7 5661
ae3f3efd
PS		 5662#if !defined(PERL_MOUNT_NOEXEC) && defined(MOUNT_NOEXEC)
5663# define PERL_MOUNT_NOEXEC MOUNT_NOEXEC
5664#endif
5665#if !defined(PERL_MOUNT_NOEXEC) && defined(MNT_NOEXEC)
5666# define PERL_MOUNT_NOEXEC MNT_NOEXEC
5667#endif
5668#if !defined(PERL_MOUNT_NOEXEC) && defined(MS_NOEXEC)
5669# define PERL_MOUNT_NOEXEC MS_NOEXEC
5670#endif
5671#if !defined(PERL_MOUNT_NOEXEC) && defined(M_NOEXEC)
5672# define PERL_MOUNT_NOEXEC M_NOEXEC
5673#endif
5674
104d25b7
JH		 5675#endif /* IAMSUID */
5676
4bc88a62
PS		 5677#ifdef I_LIBUTIL
5678# include <libutil.h> /* setproctitle() in some FreeBSDs */
5679#endif
5680
b4748376
NIS		 5681#ifndef EXEC_ARGV_CAST
5682#define EXEC_ARGV_CAST(x) x
5683#endif
5684
dd5dc04f
JH		 5685#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5686 int). value returned in pointed-
5687 to UV */
5688#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5689#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5690#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5691#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5692#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5693
5694#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5695
53305cf1
NC		 5696/* Input flags: */
5697#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5698#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5699#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 5700/* Output flags: */
5701#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5702
2c4f7f0e
DM		 5703/* to let user control profiling */
5704#ifdef PERL_GPROF_CONTROL
5705extern void moncontrol(int);
5706#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5707#else
5708#define PERL_GPROF_MONCONTROL(x)
5709#endif
5710
ae0e3d3b
JH		 5711#ifdef UNDER_CE
5712#include "wince.h"
5713#endif
5714
5715/* ISO 6429 NEL - C1 control NExt Line */
5716/* See http://www.unicode.org/unicode/reports/tr13/ */
5717#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
5718# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
5719# define NEXT_LINE_CHAR 0x15
5720# else /* CDRA */
5721# define NEXT_LINE_CHAR 0x25
5722# endif
5723#else
5724# define NEXT_LINE_CHAR 0x85
5725#endif
5726
5727/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5728#define UNICODE_LINE_SEPA_0 0xE2
5729#define UNICODE_LINE_SEPA_1 0x80
5730#define UNICODE_LINE_SEPA_2 0xA8
5731#define UNICODE_PARA_SEPA_0 0xE2
5732#define UNICODE_PARA_SEPA_1 0x80
5733#define UNICODE_PARA_SEPA_2 0xA9
5734
479b2847
GS		 5735#ifndef PIPESOCK_MODE
5736# define PIPESOCK_MODE
5737#endif
5738
460c8493
IZ		 5739#ifndef SOCKET_OPEN_MODE
5740# define SOCKET_OPEN_MODE PIPESOCK_MODE
5741#endif
5742
5743#ifndef PIPE_OPEN_MODE
5744# define PIPE_OPEN_MODE PIPESOCK_MODE
5745#endif
5746
7e8c5dac
HS		 5747#define PERL_MAGIC_UTF8_CACHESIZE 2
5748
a05d7ebb
JH		 5749#define PERL_UNICODE_STDIN_FLAG 0x0001
5750#define PERL_UNICODE_STDOUT_FLAG 0x0002
5751#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5752#define PERL_UNICODE_IN_FLAG 0x0008
5753#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5754#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5755#define PERL_UNICODE_LOCALE_FLAG 0x0040
5756#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 5757#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 5758
06e66572
JH		 5759#define PERL_UNICODE_STD_FLAG \
5760 (PERL_UNICODE_STDIN_FLAG | \
5761 PERL_UNICODE_STDOUT_FLAG | \
5762 PERL_UNICODE_STDERR_FLAG)
5763
5764#define PERL_UNICODE_INOUT_FLAG \
5765 (PERL_UNICODE_IN_FLAG | \
5766 PERL_UNICODE_OUT_FLAG)
5767
5768#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5769 (PERL_UNICODE_STD_FLAG | \
5770 PERL_UNICODE_INOUT_FLAG | \
5771 PERL_UNICODE_LOCALE_FLAG)
5772
5a22a2bb 5773#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 5774
5775#define PERL_UNICODE_STDIN 'I'
5776#define PERL_UNICODE_STDOUT 'O'
5777#define PERL_UNICODE_STDERR 'E'
5778#define PERL_UNICODE_STD 'S'
5779#define PERL_UNICODE_IN 'i'
5780#define PERL_UNICODE_OUT 'o'
5781#define PERL_UNICODE_INOUT 'D'
5782#define PERL_UNICODE_ARGV 'A'
5783#define PERL_UNICODE_LOCALE 'L'
5784#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 5785#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 5786
4ffa73a3
JH		 5787#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5788
16bd9a85
JH		 5789/* From sigaction(2) (FreeBSD man page):
5790 * | Signal routines normally execute with the signal that
5791 * | caused their invocation blocked, but other signals may
5792 * | yet occur.
5793 * Emulation of this behavior (from within Perl) is enabled
5794 * by defining PERL_BLOCK_SIGNALS.
5795 */
5796#define PERL_BLOCK_SIGNALS
5797
5798#if defined(HAS_SIGPROCMASK) && defined(PERL_BLOCK_SIGNALS)
5799# define PERL_BLOCKSIG_ADD(set,sig) \
5800 sigset_t set; sigemptyset(&(set)); sigaddset(&(set), sig)
5801# define PERL_BLOCKSIG_BLOCK(set) \
5802 sigprocmask(SIG_BLOCK, &(set), NULL)
5803# define PERL_BLOCKSIG_UNBLOCK(set) \
5804 sigprocmask(SIG_UNBLOCK, &(set), NULL)
5805#endif /* HAS_SIGPROCMASK && PERL_BLOCK_SIGNALS */
5806
5807/* How about the old style of sigblock()? */
5808
5809#ifndef PERL_BLOCKSIG_ADD
5810# define PERL_BLOCKSIG_ADD(set, sig) NOOP
5811#endif
5812#ifndef PERL_BLOCKSIG_BLOCK
5813# define PERL_BLOCKSIG_BLOCK(set) NOOP
5814#endif
2bfba5f0 5815#ifndef PERL_BLOCKSIG_UNBLOCK
16bd9a85
JH		 5816# define PERL_BLOCKSIG_UNBLOCK(set) NOOP
5817#endif
5818
32fdb065 5819/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5820 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5821#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5822
3c0f78ca
JH		 5823#if defined(__DECC) && defined(__osf__)
5824#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 5825#endif
5826
e4dba786
NC		 5827#define do_open(g, n, l, a, rm, rp, sf) \
5828 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 5829#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 5830# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 5831#endif
15871fce
NC		 5832#ifdef OS2
5833# define do_aexec Perl_do_aexec
5834#else
5835# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 5836#endif
e4dba786 5837
2f3efc97
JH		 5838#if defined(OEMVS)
5839#define NO_ENV_ARRAY_IN_MAIN
5840#endif
5841
4d8076ea 5842/* and finally... */
cceca5ed 5843#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 5844#include "patchlevel.h"
cceca5ed 5845#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 5846
10edeb5d
JH		 5847/* These are used by Perl_pv_escape() and Perl_pv_pretty()
5848 * are here so that they are available throughout the core
5849 * NOTE that even though some are for _escape and some for _pretty
5850 * there must not be any clashes as the flags from _pretty are
5851 * passed straight through to _escape.
5852 */
5853
5854#define PERL_PV_ESCAPE_QUOTE 0x0001
5855#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
5856
95b611b0 5857#define PERL_PV_PRETTY_ELLIPSES 0x0002
10edeb5d
JH		 5858#define PERL_PV_PRETTY_LTGT 0x0004
5859
5860#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
5861
5862#define PERL_PV_ESCAPE_UNI 0x0100
5863#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
5864
5865#define PERL_PV_ESCAPE_ALL 0x1000
5866#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
5867#define PERL_PV_ESCAPE_NOCLEAR 0x4000
44a2ac75 5868#define PERL_PV_ESCAPE_RE 0x8000
10edeb5d 5869
881a015e
NC		 5870#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
5871
10edeb5d 5872/* used by pv_display in dump.c*/
95b611b0
RGS		 5873#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
5874#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE
10edeb5d
JH		 5875
5876/*
5877
5878 (KEEP THIS LAST IN perl.h!)
5879
5880 Mention
d460ef45 5881
43999f95 5882 NV_PRESERVES_UV
fe749a9f 5883
fe749a9f
JH		 5884 HAS_MKSTEMP
5885 HAS_MKSTEMPS
5886 HAS_MKDTEMP
5887
49dabb45
JH		 5888 HAS_GETCWD
5889
d59b5429 5890 HAS_MMAP
fe749a9f
JH		 5891 HAS_MPROTECT
5892 HAS_MSYNC
1e8c3fde 5893 HAS_MADVISE
fe749a9f
JH		 5894 HAS_MUNMAP
5895 I_SYSMMAN
5896 Mmap_t
5897
6b4667fc
A		 5898 NVef
5899 NVff
5900 NVgf
5901
4e0554ec 5902 HAS_UALARM
2d736872 5903 HAS_USLEEP
4e0554ec
JH		 5904
5905 HAS_SETITIMER
5906 HAS_GETITIMER
5907
5908 HAS_SENDMSG
5909 HAS_RECVMSG
5910 HAS_READV
5911 HAS_WRITEV
5912 I_SYSUIO
5913 HAS_STRUCT_MSGHDR
5914 HAS_STRUCT_CMSGHDR
5915
2765b840 5916 HAS_NL_LANGINFO
0a7020c9 5917
ae0e3d3b 5918 HAS_DIRFD
2765b840 5919
10edeb5d 5920 so that Configure picks them up.
ab3bbdeb 5921
10edeb5d 5922 (KEEP THIS LAST IN perl.h!)
3df15adc 5923
10edeb5d 5924*/
3df15adc 5925
85e6fe83 5926#endif /* Include guard */
ae0e3d3b 5927
Unnamed repository; edit this file 'description' to name the repository.