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
d_pseudofork for configure.com
[perl5.git] / perl.h
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
54ca4ee7 4 * 2000, 2001, 2002, 2003, 2004, 2005, 2006, 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
f8149455 199#define CALLREGCOMP(exp, xend, pm) Perl_pregcomp(aTHX_ (exp),(xend),(pm))
f9f4320a 200
f2f78491
YO		 201#define CALLREGCOMP_ENG(prog, exp, xend, pm) \
202 CALL_FPTR(((prog)->comp))(aTHX_ exp, xend, pm)
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
f9f4320a
YO		 222#if defined(USE_ITHREADS)
223#define CALLREGDUPE(prog,param) \
f8149455
YO		 224 Perl_re_dup(aTHX_ (prog),(param))
225
226#define CALLREGDUPE_PVT(prog,param) \
f2f78491 227 (prog ? CALL_FPTR((prog)->engine->dupe)(aTHX_ (prog),(param)) \
f9f4320a
YO		 228 : (REGEXP *)NULL)
229#endif
14dd3ad8 230
5ba4cab2
SH		 231/*
232 * Because of backward compatibility reasons the PERL_UNUSED_DECL
233 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
234 *
235 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 236 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 237 * marking unused variables (they need e.g. a #pragma) and therefore
238 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
239 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
240 *
241 */
1266ad8c 242
9969cdde 243#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 244# ifdef __cplusplus
5ba4cab2 245# define PERL_UNUSED_DECL
5b2bd0a5 246# else
5ba4cab2 247# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 248# endif
249#endif
44dbb695 250
5b2bd0a5 251#ifndef PERL_UNUSED_DECL
34659ad4 252# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 253# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 254# else
5ba4cab2 255# define PERL_UNUSED_DECL
b79c357a 256# endif
5b2bd0a5
AMS		 257#endif
258
349b520e
DM		 259/* gcc -Wall:
260 * for silencing unused variables that are actually used most of the time,
a0288114 261 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 262 */
53c1dcc0 263#ifndef PERL_UNUSED_ARG
c99ffe5e 264# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 265# include <note.h>
53c1dcc0 266# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 267# else
53c1dcc0 268# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 269# endif
270#endif
53c1dcc0
AL		 271#ifndef PERL_UNUSED_VAR
272# define PERL_UNUSED_VAR(x) ((void)x)
273#endif
ad73156c 274
96a5add6
AL		 275#ifdef USE_ITHREADS
276# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
277#else
278# define PERL_UNUSED_CONTEXT
279#endif
280
6f207bd3 281#define NOOP /*EMPTY*/(void)0
6b484a99
JH		 282#if !defined(HASATTRIBUTE_UNUSED) && defined(__cplusplus)
283#define dNOOP /*EMPTY*/(void)0 /* Older g++ has no __attribute((unused))__ */
284#else
6f207bd3 285#define dNOOP extern int /*@unused@*/ Perl___notused PERL_UNUSED_DECL
6b484a99 286#endif
71be2cbc 287
0cb96387 288#ifndef pTHX
e8dda941
JD		 289/* Don't bother defining tTHX and sTHX; using them outside
290 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
291 */
0cb96387
GS		 292# define pTHX void
293# define pTHX_
0cb96387
GS		 294# define aTHX
295# define aTHX_
0cb96387
GS		 296# define dTHXa(a) dNOOP
297# define dTHX dNOOP
894356b3
GS		 298# define pTHX_1 1
299# define pTHX_2 2
300# define pTHX_3 3
301# define pTHX_4 4
3d42dc86
RGS		 302# define pTHX_5 5
303# define pTHX_6 6
a3b680e6
AL		 304# define pTHX_7 7
305# define pTHX_8 8
306# define pTHX_9 9
0cb96387
GS		 307#endif
308
27da23d5
JH		 309#ifndef dVAR
310# define dVAR dNOOP
311#endif
312
b4f7f263
GS		 313/* these are only defined for compatibility; should not be used internally */
314#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 315# define pTHXo pTHX
316# define pTHXo_ pTHX_
0cb96387
GS		 317# define aTHXo aTHX
318# define aTHXo_ aTHX_
c5be433b 319# define dTHXo dTHX
71d280e3 320# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 321#endif
322
323#ifndef pTHXx
324# define pTHXx register PerlInterpreter *my_perl
325# define pTHXx_ pTHXx,
0cb96387
GS		 326# define aTHXx my_perl
327# define aTHXx_ aTHXx,
c5be433b 328# define dTHXx dTHX
22c35a8c 329#endif
71be2cbc 330
1de7c2ac
GS		 331/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
332 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
333 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
334#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 335# ifdef PERL_GLOBAL_STRUCT_PRIVATE
336# define dTHXs dVAR; dTHX
337# else
338# define dTHXs dTHX
339# endif
1de7c2ac 340#else
27da23d5
JH		 341# ifdef PERL_GLOBAL_STRUCT_PRIVATE
342# define dTHXs dVAR
343# else
344# define dTHXs dNOOP
345# endif
1de7c2ac
GS		 346#endif
347
326b05e3
GS		 348#undef START_EXTERN_C
349#undef END_EXTERN_C
350#undef EXTERN_C
32f822de
GS		 351#ifdef __cplusplus
352# define START_EXTERN_C extern "C" {
353# define END_EXTERN_C }
354# define EXTERN_C extern "C"
355#else
d460ef45
NIS		 356# define START_EXTERN_C
357# define END_EXTERN_C
73c4f7a1 358# define EXTERN_C extern
32f822de
GS		 359#endif
360
27da23d5
JH		 361/* Some platforms require marking function declarations
362 * for them to be exportable. Used in perlio.h, proto.h
363 * is handled either by the makedef.pl or by defining the
364 * PERL_CALLCONV to be something special. See also the
365 * definition of XS() in XSUB.h. */
366#ifndef PERL_EXPORT_C
a0c21aa1
JH		 367# ifdef __cplusplus
368# define PERL_EXPORT_C extern "C"
369# else
370# define PERL_EXPORT_C extern
371# endif
27da23d5
JH		 372#endif
373#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 374# ifdef __cplusplus
375# define PERL_XS_EXPORT_C extern "C"
376# else
377# define PERL_XS_EXPORT_C
378# endif
27da23d5
JH		 379#endif
380
462e5cf6
MB		 381#ifdef OP_IN_REGISTER
382# ifdef __GNUC__
383# define stringify_immed(s) #s
384# define stringify(s) stringify_immed(s)
d1ca3daa 385register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 386# endif
387#endif
388
e5afc1ae 389/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab
JH		 390 * g++ allows them but seems to have problems with them
391 * (insane errors ensue). */
392#if defined(PERL_GCC_PEDANTIC) || (defined(__GNUC__) && defined(__cplusplus))
5b692037 393# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 394# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
395# endif
5dc8bdac
JH		 396#endif
397
5b692037
JH		 398#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
399# ifndef PERL_USE_GCC_BRACE_GROUPS
400# define PERL_USE_GCC_BRACE_GROUPS
401# endif
402#endif
403
728e2803 404/*
405 * STMT_START { statements; } STMT_END;
406 * can be used as a single statement, as in
407 * if (x) STMT_START { ... } STMT_END; else ...
408 *
409 * Trying to select a version that gives no warnings...
410 */
411#if !(defined(STMT_START) && defined(STMT_END))
5b692037 412# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 413# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 414# define STMT_END )
415# else
416 /* Now which other defined()s do we need here ??? */
93189314 417# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 418# define STMT_START if (1)
419# define STMT_END else (void)0
420# else
421# define STMT_START do
422# define STMT_END while (0)
423# endif
424# endif
425#endif
426
0cb96387 427#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 428#define WITH_THR(s) WITH_THX(s)
ea0efc06 429
d6f9c181
JH		 430#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
431# define BYTEORDER 0x1234
79072805
LW		 432#endif
433
434/* Overall memory policy? */
435#ifndef CONSERVATIVE
436# define LIBERAL 1
437#endif
438
8ada0baa
JH		 439#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
440#define ASCIIish
441#else
442#undef ASCIIish
443#endif
444
79072805
LW		 445/*
446 * The following contortions are brought to you on behalf of all the
447 * standards, semi-standards, de facto standards, not-so-de-facto standards
448 * of the world, as well as all the other botches anyone ever thought of.
449 * The basic theory is that if we work hard enough here, the rest of the
450 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
451 */
ac58e20f 452
ee0007ab 453/* define this once if either system, instead of cluttering up the src */
2986a63f 454#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 455#define DOSISH 1
456#endif
457
fb38d079 458#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 459# define STANDARD_C 1
460#endif
461
9969cdde 462#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 463# define DONT_DECLARE_STD 1
464#endif
465
352d5a3a 466#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 467# ifdef __cplusplus
cb69f87a 468# define VOL /* to temporarily suppress warnings */
79072805
LW		 469# else
470# define VOL volatile
471# endif
663a0e37 472#else
79072805 473# define VOL
663a0e37
LW		 474#endif
475
3280af22
NIS		 476#define TAINT (PL_tainted = TRUE)
477#define TAINT_NOT (PL_tainted = FALSE)
478#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
479#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 480#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 481
d460ef45 482/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 483 defines move there? If so, I could simplify this a lot. --AD 9/96.
484*/
485/* Process group stuff changed from traditional BSD to POSIX.
486 perlfunc.pod documents the traditional BSD-style syntax, so we'll
487 try to preserve that, if possible.
488*/
489#ifdef HAS_SETPGID
490# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 491#else
a6e633de 492# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
493# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
494# else
495# ifdef HAS_SETPGRP2 /* DG/UX */
496# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
497# endif
498# endif
499#endif
500#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
501# define HAS_SETPGRP /* Well, effectively it does . . . */
502#endif
503
504/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
505 our life easier :-) so we'll try it.
506*/
507#ifdef HAS_GETPGID
508# define BSD_GETPGRP(pid) getpgid((pid))
509#else
510# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
511# define BSD_GETPGRP(pid) getpgrp((pid))
512# else
513# ifdef HAS_GETPGRP2 /* DG/UX */
514# define BSD_GETPGRP(pid) getpgrp2((pid))
515# endif
516# endif
517#endif
518#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
519# define HAS_GETPGRP /* Well, effectively it does . . . */
520#endif
521
d460ef45 522/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 523 have different behaviors, but perl.h used to define USE_BSDPGRP
524 (prior to 5.003_05) so some extension might depend on it.
525*/
526#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
527# ifndef USE_BSDPGRP
528# define USE_BSDPGRP
529# endif
663a0e37
LW		 530#endif
531
8ac5a1fe
MH		 532/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
533 pthread.h must be included before all other header files.
534*/
3db8f154 535#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 536# include <pthread.h>
537#endif
538
760ac839
LW		 539#ifndef _TYPES_ /* If types.h defines this it's easy. */
540# ifndef major /* Does everyone's types.h define this? */
541# include <sys/types.h>
c07a80fd 542# endif
663a0e37
LW		 543#endif
544
760ac839
LW		 545#ifdef __cplusplus
546# ifndef I_STDARG
547# define I_STDARG 1
548# endif
549#endif
550
551#ifdef I_STDARG
552# include <stdarg.h>
553#else
554# ifdef I_VARARGS
555# include <varargs.h>
556# endif
557#endif
558
4633a7c4 559#ifdef USE_NEXT_CTYPE
0c30d9ec 560
092bebab
JH		 561#if NX_CURRENT_COMPILER_RELEASE >= 500
562# include <bsd/ctypes.h>
563#else
564# if NX_CURRENT_COMPILER_RELEASE >= 400
565# include <objc/NXCType.h>
566# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
567# include <appkit/NXCType.h>
568# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
569#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 570
571#else /* !USE_NEXT_CTYPE */
fe14fcc3 572#include <ctype.h>
0c30d9ec 573#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 574
575#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
576#undef METHOD
a0d0e21e
LW		 577#endif
578
12ae5dfc
JH		 579#ifdef PERL_MICRO
580# define NO_LOCALE
581#endif
582
4633a7c4 583#ifdef I_LOCALE
36477c24 584# include <locale.h>
4633a7c4
LW		 585#endif
586
36477c24 587#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
588# define USE_LOCALE
589# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
590 && defined(HAS_STRXFRM)
591# define USE_LOCALE_COLLATE
592# endif
593# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
594# define USE_LOCALE_CTYPE
595# endif
596# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
597# define USE_LOCALE_NUMERIC
598# endif
599#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 600
fe14fcc3 601#include <setjmp.h>
79072805 602
a0d0e21e 603#ifdef I_SYS_PARAM
79072805
LW		 604# ifdef PARAM_NEEDS_TYPES
605# include <sys/types.h>
606# endif
607# include <sys/param.h>
352d5a3a 608#endif
79072805 609
79072805 610/* Use all the "standard" definitions? */
a0d0e21e 611#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 612# include <stdlib.h>
ff68c719 613#endif
03a14243 614
3f270f98
JH		 615/* If this causes problems, set i_unistd=undef in the hint file. */
616#ifdef I_UNISTD
617# include <unistd.h>
618#endif
619
9969cdde 620#ifdef __SYMBIAN32__
27da23d5
JH		 621# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
622#endif
623
7114a2d2 624#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 625EXTERN_C int syscall(int, ...);
2ef53570
JH		 626#endif
627
7114a2d2 628#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 629EXTERN_C int usleep(unsigned int);
2ef53570
JH		 630#endif
631
9a34ef1d
GS		 632#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
633# define MYSWAP
634#endif
635
1109a392
MHM		 636#ifdef PERL_CORE
637
638/* macros for correct constant construction */
639# if INTSIZE >= 2
640# define U16_CONST(x) ((U16)x##U)
641# else
642# define U16_CONST(x) ((U16)x##UL)
643# endif
644
645# if INTSIZE >= 4
646# define U32_CONST(x) ((U32)x##U)
647# else
648# define U32_CONST(x) ((U32)x##UL)
649# endif
650
651# ifdef HAS_QUAD
652# if INTSIZE >= 8
653# define U64_CONST(x) ((U64)x##U)
654# elif LONGSIZE >= 8
655# define U64_CONST(x) ((U64)x##UL)
656# elif QUADKIND == QUAD_IS_LONG_LONG
657# define U64_CONST(x) ((U64)x##ULL)
658# else /* best guess we can make */
659# define U64_CONST(x) ((U64)x##UL)
660# endif
661# endif
662
663/* byte-swapping functions for big-/little-endian conversion */
664# define _swab_16_(x) ((U16)( \
665 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
666 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
667
668# define _swab_32_(x) ((U32)( \
669 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
670 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
671 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
672 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
673
674# ifdef HAS_QUAD
675# define _swab_64_(x) ((U64)( \
676 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
677 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
678 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
679 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
680 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
681 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
682 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
683 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
684# endif
685
686/*----------------------------------------------------------------------------*/
687# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
688/*----------------------------------------------------------------------------*/
689# define my_htole16(x) (x)
690# define my_letoh16(x) (x)
691# define my_htole32(x) (x)
692# define my_letoh32(x) (x)
693# define my_htobe16(x) _swab_16_(x)
694# define my_betoh16(x) _swab_16_(x)
695# define my_htobe32(x) _swab_32_(x)
696# define my_betoh32(x) _swab_32_(x)
697# ifdef HAS_QUAD
698# define my_htole64(x) (x)
699# define my_letoh64(x) (x)
700# define my_htobe64(x) _swab_64_(x)
701# define my_betoh64(x) _swab_64_(x)
702# endif
703# define my_htoles(x) (x)
704# define my_letohs(x) (x)
705# define my_htolei(x) (x)
706# define my_letohi(x) (x)
707# define my_htolel(x) (x)
708# define my_letohl(x) (x)
709# if SHORTSIZE == 1
710# define my_htobes(x) (x)
711# define my_betohs(x) (x)
712# elif SHORTSIZE == 2
713# define my_htobes(x) _swab_16_(x)
714# define my_betohs(x) _swab_16_(x)
715# elif SHORTSIZE == 4
716# define my_htobes(x) _swab_32_(x)
717# define my_betohs(x) _swab_32_(x)
718# elif SHORTSIZE == 8
719# define my_htobes(x) _swab_64_(x)
720# define my_betohs(x) _swab_64_(x)
721# else
722# define PERL_NEED_MY_HTOBES
723# define PERL_NEED_MY_BETOHS
724# endif
725# if INTSIZE == 1
726# define my_htobei(x) (x)
727# define my_betohi(x) (x)
728# elif INTSIZE == 2
729# define my_htobei(x) _swab_16_(x)
730# define my_betohi(x) _swab_16_(x)
731# elif INTSIZE == 4
732# define my_htobei(x) _swab_32_(x)
733# define my_betohi(x) _swab_32_(x)
734# elif INTSIZE == 8
735# define my_htobei(x) _swab_64_(x)
736# define my_betohi(x) _swab_64_(x)
737# else
738# define PERL_NEED_MY_HTOBEI
739# define PERL_NEED_MY_BETOHI
740# endif
741# if LONGSIZE == 1
742# define my_htobel(x) (x)
743# define my_betohl(x) (x)
744# elif LONGSIZE == 2
745# define my_htobel(x) _swab_16_(x)
746# define my_betohl(x) _swab_16_(x)
747# elif LONGSIZE == 4
748# define my_htobel(x) _swab_32_(x)
749# define my_betohl(x) _swab_32_(x)
750# elif LONGSIZE == 8
751# define my_htobel(x) _swab_64_(x)
752# define my_betohl(x) _swab_64_(x)
753# else
754# define PERL_NEED_MY_HTOBEL
755# define PERL_NEED_MY_BETOHL
756# endif
757# define my_htolen(p,n) NOOP
758# define my_letohn(p,n) NOOP
759# define my_htoben(p,n) my_swabn(p,n)
760# define my_betohn(p,n) my_swabn(p,n)
761/*----------------------------------------------------------------------------*/
762# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
763/*----------------------------------------------------------------------------*/
764# define my_htobe16(x) (x)
765# define my_betoh16(x) (x)
766# define my_htobe32(x) (x)
767# define my_betoh32(x) (x)
768# define my_htole16(x) _swab_16_(x)
769# define my_letoh16(x) _swab_16_(x)
770# define my_htole32(x) _swab_32_(x)
771# define my_letoh32(x) _swab_32_(x)
772# ifdef HAS_QUAD
773# define my_htobe64(x) (x)
774# define my_betoh64(x) (x)
775# define my_htole64(x) _swab_64_(x)
776# define my_letoh64(x) _swab_64_(x)
777# endif
778# define my_htobes(x) (x)
779# define my_betohs(x) (x)
780# define my_htobei(x) (x)
781# define my_betohi(x) (x)
782# define my_htobel(x) (x)
783# define my_betohl(x) (x)
784# if SHORTSIZE == 1
785# define my_htoles(x) (x)
786# define my_letohs(x) (x)
787# elif SHORTSIZE == 2
788# define my_htoles(x) _swab_16_(x)
789# define my_letohs(x) _swab_16_(x)
790# elif SHORTSIZE == 4
791# define my_htoles(x) _swab_32_(x)
792# define my_letohs(x) _swab_32_(x)
793# elif SHORTSIZE == 8
794# define my_htoles(x) _swab_64_(x)
795# define my_letohs(x) _swab_64_(x)
796# else
797# define PERL_NEED_MY_HTOLES
798# define PERL_NEED_MY_LETOHS
799# endif
800# if INTSIZE == 1
801# define my_htolei(x) (x)
802# define my_letohi(x) (x)
803# elif INTSIZE == 2
804# define my_htolei(x) _swab_16_(x)
805# define my_letohi(x) _swab_16_(x)
806# elif INTSIZE == 4
807# define my_htolei(x) _swab_32_(x)
808# define my_letohi(x) _swab_32_(x)
809# elif INTSIZE == 8
810# define my_htolei(x) _swab_64_(x)
811# define my_letohi(x) _swab_64_(x)
812# else
813# define PERL_NEED_MY_HTOLEI
814# define PERL_NEED_MY_LETOHI
815# endif
816# if LONGSIZE == 1
817# define my_htolel(x) (x)
818# define my_letohl(x) (x)
819# elif LONGSIZE == 2
820# define my_htolel(x) _swab_16_(x)
821# define my_letohl(x) _swab_16_(x)
822# elif LONGSIZE == 4
823# define my_htolel(x) _swab_32_(x)
824# define my_letohl(x) _swab_32_(x)
825# elif LONGSIZE == 8
826# define my_htolel(x) _swab_64_(x)
827# define my_letohl(x) _swab_64_(x)
828# else
829# define PERL_NEED_MY_HTOLEL
830# define PERL_NEED_MY_LETOHL
831# endif
832# define my_htolen(p,n) my_swabn(p,n)
833# define my_letohn(p,n) my_swabn(p,n)
834# define my_htoben(p,n) NOOP
835# define my_betohn(p,n) NOOP
836/*----------------------------------------------------------------------------*/
837# else /* all other byte-orders */
838/*----------------------------------------------------------------------------*/
839# define PERL_NEED_MY_HTOLE16
840# define PERL_NEED_MY_LETOH16
841# define PERL_NEED_MY_HTOBE16
842# define PERL_NEED_MY_BETOH16
843# define PERL_NEED_MY_HTOLE32
844# define PERL_NEED_MY_LETOH32
845# define PERL_NEED_MY_HTOBE32
846# define PERL_NEED_MY_BETOH32
847# ifdef HAS_QUAD
848# define PERL_NEED_MY_HTOLE64
849# define PERL_NEED_MY_LETOH64
850# define PERL_NEED_MY_HTOBE64
851# define PERL_NEED_MY_BETOH64
852# endif
853# define PERL_NEED_MY_HTOLES
854# define PERL_NEED_MY_LETOHS
855# define PERL_NEED_MY_HTOBES
856# define PERL_NEED_MY_BETOHS
857# define PERL_NEED_MY_HTOLEI
858# define PERL_NEED_MY_LETOHI
859# define PERL_NEED_MY_HTOBEI
860# define PERL_NEED_MY_BETOHI
861# define PERL_NEED_MY_HTOLEL
862# define PERL_NEED_MY_LETOHL
863# define PERL_NEED_MY_HTOBEL
864# define PERL_NEED_MY_BETOHL
865/*----------------------------------------------------------------------------*/
866# endif /* end of byte-order macros */
867/*----------------------------------------------------------------------------*/
868
9c17f24a
NC		 869/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
870 at least on FreeBSD. YMMV, so experiment. */
871#ifndef PERL_ARENA_SIZE
872#define PERL_ARENA_SIZE 4080
873#endif
874
1109a392
MHM		 875#endif /* PERL_CORE */
876
bdf3085f
NC		 877/* We no longer default to creating a new SV for GvSV.
878 Do this before embed. */
879#ifndef PERL_CREATE_GVSV
7459f06b
NC		 880# ifndef PERL_DONT_CREATE_GVSV
881# define PERL_DONT_CREATE_GVSV
882# endif
bdf3085f
NC		 883#endif
884
ca0c25f6
NC		 885#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
886#define PERL_USES_PL_PIDSTATUS
887#endif
888
a62746fa
RGS		 889#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__) && !defined(MACOS_TRADITIONAL)
890#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
891#endif
892
66a93824
NIS		 893/* Cannot include embed.h here on Win32 as win32.h has not
894 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
895 */
96e176bf 896#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 897# include "embed.h"
eb8433b7
NC		 898# ifndef PERL_MAD
899# undef op_getmad
b3f24c00 900# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 901# endif
cea2e8a9
GS		 902#endif
903
c31fac66
GS		 904#define MEM_SIZE Size_t
905
1936d2a7
NC		 906/* Round all values passed to malloc up, by default to a multiple of
907 sizeof(size_t)
908*/
909#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
910#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
911#endif
912
51371543
GS		 913#if defined(STANDARD_C) && defined(I_STDDEF)
914# include <stddef.h>
915# define STRUCT_OFFSET(s,m) offsetof(s,m)
916#else
917# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
918#endif
919
9969cdde 920#ifndef __SYMBIAN32__
27da23d5
JH		 921# if defined(I_STRING) || defined(__cplusplus)
922# include <string.h>
923# else
924# include <strings.h>
925# endif
51371543
GS		 926#endif
927
55497cff 928/* This comes after <stdlib.h> so we don't try to change the standard
929 * library prototypes; we'll use our own in proto.h instead. */
03a14243 930
4633a7c4 931#ifdef MYMALLOC
86058a2d 932# ifdef PERL_POLLUTE_MALLOC
ee13e175 933# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 934# define Perl_malloc malloc
935# define Perl_calloc calloc
936# define Perl_realloc realloc
937# define Perl_mfree free
ee13e175 938# endif
86058a2d
GS		 939# else
940# define EMBEDMYMALLOC /* for compatibility */
941# endif
827e134a 942
651b9576
GS		 943# define safemalloc Perl_malloc
944# define safecalloc Perl_calloc
945# define saferealloc Perl_realloc
946# define safefree Perl_mfree
22f7c9c9
JH		 947# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
948 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
949 code; \
950 } STMT_END
951# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
952 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
953# define panic_write2(s) write(2, s, strlen(s))
954# define CHECK_MALLOC_TAINT(newval) \
955 CHECK_MALLOC_TOO_LATE_FOR_( \
956 if (newval) { \
957 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
958 exit(1); })
22f7c9c9 959# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 960 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 961 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
962 }} STMT_END;
f2517201
GS		 963#else /* MYMALLOC */
964# define safemalloc safesysmalloc
965# define safecalloc safesyscalloc
966# define saferealloc safesysrealloc
967# define safefree safesysfree
22f7c9c9
JH		 968# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
969# define CHECK_MALLOC_TAINT(newval) ((void)0)
970# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 971#endif /* MYMALLOC */
4633a7c4 972
27da23d5 973#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		 974#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
975#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
976#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
977
a0d0e21e
LW		 978#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
979#define strchr index
980#define strrchr rindex
981#endif
982
16d20bd9
AD		 983#ifdef I_MEMORY
984# include <memory.h>
985#endif
986
fe14fcc3 987#ifdef HAS_MEMCPY
85e6fe83 988# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 989# ifndef memcpy
20ce7b12 990 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 991# endif
992# endif
993#else
994# ifndef memcpy
995# ifdef HAS_BCOPY
996# define memcpy(d,s,l) bcopy(s,d,l)
997# else
998# define memcpy(d,s,l) my_bcopy(s,d,l)
999# endif
1000# endif
1001#endif /* HAS_MEMCPY */
fe14fcc3 1002
ee0007ab 1003#ifdef HAS_MEMSET
85e6fe83 1004# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1005# ifndef memset
20ce7b12 1006 extern char *memset (char*, int, int);
ee0007ab
LW		 1007# endif
1008# endif
ee0007ab 1009#else
12ae5dfc 1010# undef memset
fc36a67e 1011# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1012#endif /* HAS_MEMSET */
1013
85e6fe83 1014#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1015# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1016# define memmove(d,s,l) bcopy(s,d,l)
1017# else
2304df62 1018# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1019# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1020# else
79072805 1021# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1022# endif
352d5a3a 1023# endif
d9d8d8de 1024#endif
ee0007ab 1025
36477c24 1026#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1027# undef HAS_MEMCMP
1028#endif
1029
1030#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1031# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1032# ifndef memcmp
20ce7b12 1033 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1034# endif
1035# endif
36477c24 1036# ifdef BUGGY_MSC
7e4e8c89 1037# pragma function(memcmp)
36477c24 1038# endif
ee0007ab
LW		 1039#else
1040# ifndef memcmp
ecfc5424 1041# define memcmp my_memcmp
352d5a3a 1042# endif
36477c24 1043#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1044
fc36a67e 1045#ifndef memzero
c635e13b 1046# ifdef HAS_MEMSET
1047# define memzero(d,l) memset(d,0,l)
79072805 1048# else
c635e13b 1049# ifdef HAS_BZERO
1050# define memzero(d,l) bzero(d,l)
79072805 1051# else
fc36a67e 1052# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1053# endif
1054# endif
d9d8d8de 1055#endif
378cc40b 1056
2f42fcb0 1057#ifndef PERL_MICRO
0f27ced1
JH		 1058#ifndef memchr
1059# ifndef HAS_MEMCHR
1060# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1061# endif
1062#endif
2f42fcb0 1063#endif
0f27ced1 1064
36477c24 1065#ifndef HAS_BCMP
1066# ifndef bcmp
1067# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1068# endif
36477c24 1069#endif /* !HAS_BCMP */
378cc40b 1070
ae986130 1071#ifdef I_NETINET_IN
79072805 1072# include <netinet/in.h>
ae986130
LW		 1073#endif
1074
28e8609d
JH		 1075#ifdef I_ARPA_INET
1076# include <arpa/inet.h>
1077#endif
1078
84902520
TB		 1079#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1080/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1081 * (the neo-BSD seem to do this). */
1082# undef SF_APPEND
1083#endif
1084
1aef975c 1085#ifdef I_SYS_STAT
84902520 1086# include <sys/stat.h>
1aef975c 1087#endif
79072805 1088
a0d0e21e
LW		 1089/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1090 like UTekV) are broken, sometimes giving false positives. Undefine
1091 them here and let the code below set them to proper values.
1092
1093 The ghs macro stands for GreenHills Software C-1.8.5 which
1094 is the C compiler for sysV88 and the various derivatives.
1095 This header file bug is corrected in gcc-2.5.8 and later versions.
1096 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1097
1098#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1099# undef S_ISDIR
1100# undef S_ISCHR
1101# undef S_ISBLK
1102# undef S_ISREG
1103# undef S_ISFIFO
1104# undef S_ISLNK
ee0007ab 1105#endif
135863df 1106
663a0e37
LW		 1107#ifdef I_TIME
1108# include <time.h>
ffed7fef 1109#endif
663a0e37 1110
fe14fcc3 1111#ifdef I_SYS_TIME
85e6fe83 1112# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1113# define KERNEL
1114# endif
1115# include <sys/time.h>
85e6fe83 1116# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1117# undef KERNEL
1118# endif
a687059c 1119#endif
135863df 1120
55497cff 1121#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1122# include <sys/times.h>
d9d8d8de 1123#endif
8d063cd8 1124
fe14fcc3 1125#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1126# undef HAS_STRERROR
663a0e37
LW		 1127#endif
1128
1129#include <errno.h>
1e743fda 1130
acfe0abc 1131#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1132# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1133#endif
1134
8cfab5ff
JH		 1135/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1136 * This is important for using IPv6.
1137 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1138 * a bad idea since it breaks send() and recv(). */
1139#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1140# define _SOCKADDR_LEN
1141#endif
1142
8d3f517a 1143#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1144# include <sys/socket.h>
1145# if defined(USE_SOCKS) && defined(I_SOCKS)
1146# if !defined(INCLUDE_PROTOTYPES)
1147# define INCLUDE_PROTOTYPES /* for <socks.h> */
1148# define PERL_SOCKS_NEED_PROTOTYPES
1149# endif
1150# include <socks.h>
1151# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1152# undef INCLUDE_PROTOTYPES
1153# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1154# endif
d460ef45 1155# endif
1e743fda 1156# ifdef I_NETDB
2986a63f
JH		 1157# ifdef NETWARE
1158# include<stdio.h>
1159# endif
1e743fda
JH		 1160# include <netdb.h>
1161# endif
1162# ifndef ENOTSOCK
1163# ifdef I_NET_ERRNO
1164# include <net/errno.h>
1165# endif
1166# endif
1167#endif
1168
fa0a29af 1169/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1170 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1171 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1172#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1173# if defined(__THROW) && defined(__GLIBC__)
1174int sockatmark(int) __THROW;
1175# else
2ef53570 1176int sockatmark(int);
29820b6d 1177# endif
2ef53570
JH		 1178#endif
1179
7e827271 1180#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		 1181EXTERN_C int fchdir(int);
1182EXTERN_C int flock(int, int);
1183EXTERN_C int fseeko(FILE *, off_t, int);
1184EXTERN_C off_t ftello(FILE *);
1185#endif
1186
7e827271 1187#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1188EXTERN_C char *crypt(const char *, const char *);
7e827271 1189EXTERN_C char **environ;
1ccb7c8d
JH		 1190#endif
1191
b91fbb93
SP		 1192#if defined(__OpenBSD__) && defined(__cplusplus)
1193EXTERN_C char **environ;
1194#endif
1195
667e2948
SP		 1196#if defined(__CYGWIN__) && defined(__cplusplus)
1197EXTERN_C char *crypt(const char *, const char *);
1198#endif
1199
1e743fda
JH		 1200#ifdef SETERRNO
1201# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1202#endif
f86702cc 1203
1204#ifdef VMS
1205# define SETERRNO(errcode,vmserrcode) \
1206 STMT_START { \
1207 set_errno(errcode); \
1208 set_vaxc_errno(vmserrcode); \
1209 } STMT_END
93189314
JH		 1210# define LIB_INVARG LIB$_INVARG
1211# define RMS_DIR RMS$_DIR
1212# define RMS_FAC RMS$_FAC
1213# define RMS_FEX RMS$_FEX
1214# define RMS_FNF RMS$_FNF
1215# define RMS_IFI RMS$_IFI
1216# define RMS_ISI RMS$_ISI
1217# define RMS_PRV RMS$_PRV
1218# define SS_ACCVIO SS$_ACCVIO
1219# define SS_DEVOFFLINE SS$_DEVOFFLINE
1220# define SS_IVCHAN SS$_IVCHAN
1221# define SS_NORMAL SS$_NORMAL
748a9306 1222#else
aba27d88 1223# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 1224# define LIB_INVARG 0
1225# define RMS_DIR 0
1226# define RMS_FAC 0
1227# define RMS_FEX 0
1228# define RMS_FNF 0
1229# define RMS_IFI 0
1230# define RMS_ISI 0
1231# define RMS_PRV 0
1232# define SS_ACCVIO 0
1233# define SS_DEVOFFLINE 0
1234# define SS_IVCHAN 0
1235# define SS_NORMAL 0
748a9306 1236#endif
ed6116ce 1237
3db8f154 1238#define ERRSV GvSV(PL_errgv)
e203899d
NC		 1239/* FIXME? Change the assignments to PL_defgv to instantiate GvSV? */
1240#define DEFSV GvSVn(PL_defgv)
3db8f154 1241#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1242
98eae8f5
GS		 1243#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1244
55497cff 1245#ifndef errno
5ff3f7a4
GS		 1246 extern int errno; /* ANSI allows errno to be an lvalue expr.
1247 * For example in multithreaded environments
1248 * something like this might happen:
1249 * extern int *_errno(void);
1250 * #define errno (*_errno()) */
d9d8d8de 1251#endif
663a0e37 1252
2304df62 1253#ifdef HAS_STRERROR
a0d0e21e 1254# ifdef VMS
20ce7b12 1255 char *strerror (int,...);
a0d0e21e 1256# else
68dc0745 1257#ifndef DONT_DECLARE_STD
20ce7b12 1258 char *strerror (int);
68dc0745 1259#endif
a0d0e21e 1260# endif
2304df62
AD		 1261# ifndef Strerror
1262# define Strerror strerror
1263# endif
1264#else
1265# ifdef HAS_SYS_ERRLIST
79072805
LW		 1266 extern int sys_nerr;
1267 extern char *sys_errlist[];
2304df62
AD		 1268# ifndef Strerror
1269# define Strerror(e) \
79072805 1270 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1271# endif
79072805 1272# endif
35c8bce7 1273#endif
663a0e37 1274
2304df62 1275#ifdef I_SYS_IOCTL
79072805
LW		 1276# ifndef _IOCTL_
1277# include <sys/ioctl.h>
1278# endif
a687059c
LW		 1279#endif
1280
ee0007ab 1281#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1282# ifdef HAS_SOCKETPAIR
1283# undef HAS_SOCKETPAIR
1284# endif
2304df62
AD		 1285# ifdef I_NDBM
1286# undef I_NDBM
79072805 1287# endif
a687059c
LW		 1288#endif
1289
02fc2eee
NC		 1290#ifndef HAS_SOCKETPAIR
1291# ifdef HAS_SOCKET
1292# define socketpair Perl_my_socketpair
1293# endif
1294#endif
1295
a687059c 1296#if INTSIZE == 2
79072805
LW		 1297# define htoni htons
1298# define ntohi ntohs
a687059c 1299#else
79072805
LW		 1300# define htoni htonl
1301# define ntohi ntohl
a687059c
LW		 1302#endif
1303
a0d0e21e 1304/* Configure already sets Direntry_t */
35c8bce7 1305#if defined(I_DIRENT)
663a0e37 1306# include <dirent.h>
8f1f23e8
W		 1307 /* NeXT needs dirent + sys/dir.h */
1308# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1309# include <sys/dir.h>
1310# endif
ae986130 1311#else
fe14fcc3 1312# ifdef I_SYS_NDIR
79a0689e 1313# include <sys/ndir.h>
663a0e37 1314# else
fe14fcc3 1315# ifdef I_SYS_DIR
79a0689e
LW		 1316# ifdef hp9000s500
1317# include <ndir.h> /* may be wrong in the future */
1318# else
1319# include <sys/dir.h>
1320# endif
663a0e37
LW		 1321# endif
1322# endif
4633a7c4 1323#endif
a687059c 1324
12ae5dfc
JH		 1325#ifdef PERL_MICRO
1326# ifndef DIR
1327# define DIR void
1328# endif
1329#endif
1330
352d5a3a
LW		 1331#ifdef FPUTS_BOTCH
1332/* work around botch in SunOS 4.0.1 and 4.0.2 */
1333# ifndef fputs
79072805 1334# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1335# endif
1336#endif
1337
c623bd54
LW		 1338/*
1339 * The following gobbledygook brought to you on behalf of __STDC__.
1340 * (I could just use #ifndef __STDC__, but this is more bulletproof
1341 * in the face of half-implementations.)
1342 */
1343
7114a2d2 1344#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1345#include <sys/mode.h>
1346#endif
1347
c623bd54
LW		 1348#ifndef S_IFMT
1349# ifdef _S_IFMT
1350# define S_IFMT _S_IFMT
1351# else
1352# define S_IFMT 0170000
1353# endif
1354#endif
1355
1356#ifndef S_ISDIR
1357# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1358#endif
1359
1360#ifndef S_ISCHR
1361# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1362#endif
1363
1364#ifndef S_ISBLK
fe14fcc3
LW		 1365# ifdef S_IFBLK
1366# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1367# else
1368# define S_ISBLK(m) (0)
1369# endif
c623bd54
LW		 1370#endif
1371
1372#ifndef S_ISREG
1373# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1374#endif
1375
1376#ifndef S_ISFIFO
fe14fcc3
LW		 1377# ifdef S_IFIFO
1378# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1379# else
1380# define S_ISFIFO(m) (0)
1381# endif
c623bd54
LW		 1382#endif
1383
1384#ifndef S_ISLNK
1385# ifdef _S_ISLNK
1386# define S_ISLNK(m) _S_ISLNK(m)
1387# else
1388# ifdef _S_IFLNK
1389# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1390# else
1391# ifdef S_IFLNK
1392# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1393# else
1394# define S_ISLNK(m) (0)
1395# endif
1396# endif
1397# endif
1398#endif
1399
1400#ifndef S_ISSOCK
1401# ifdef _S_ISSOCK
1402# define S_ISSOCK(m) _S_ISSOCK(m)
1403# else
1404# ifdef _S_IFSOCK
1405# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1406# else
1407# ifdef S_IFSOCK
1408# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1409# else
1410# define S_ISSOCK(m) (0)
1411# endif
1412# endif
1413# endif
1414#endif
1415
1416#ifndef S_IRUSR
1417# ifdef S_IREAD
1418# define S_IRUSR S_IREAD
1419# define S_IWUSR S_IWRITE
1420# define S_IXUSR S_IEXEC
1421# else
1422# define S_IRUSR 0400
1423# define S_IWUSR 0200
1424# define S_IXUSR 0100
1425# endif
fac7cdfc
JS		 1426#endif
1427
1428#ifndef S_IRGRP
1429# ifdef S_IRUSR
1430# define S_IRGRP (S_IRUSR>>3)
1431# define S_IWGRP (S_IWUSR>>3)
1432# define S_IXGRP (S_IXUSR>>3)
1433# else
1434# define S_IRGRP 0040
1435# define S_IWGRP 0020
1436# define S_IXGRP 0010
1437# endif
1438#endif
1439
1440#ifndef S_IROTH
1441# ifdef S_IRUSR
1442# define S_IROTH (S_IRUSR>>6)
1443# define S_IWOTH (S_IWUSR>>6)
1444# define S_IXOTH (S_IXUSR>>6)
1445# else
1446# define S_IROTH 0040
1447# define S_IWOTH 0020
1448# define S_IXOTH 0010
1449# endif
c623bd54
LW		 1450#endif
1451
1452#ifndef S_ISUID
1453# define S_ISUID 04000
1454#endif
1455
1456#ifndef S_ISGID
1457# define S_ISGID 02000
1458#endif
1459
ca6e1c26
JH		 1460#ifndef S_IRWXU
1461# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1462#endif
ca6e1c26
JH		 1463
1464#ifndef S_IRWXG
1465# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1466#endif
ca6e1c26
JH		 1467
1468#ifndef S_IRWXO
1469# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1470#endif
ca6e1c26 1471
c21fb2b8
JH		 1472/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1473 * which would get included through <sys/file.h >, but that is 3000
1474 * lines in the future. --jhi */
1475
1476#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 1477# define S_IREAD S_IRUSR
1478#endif
1479
c21fb2b8 1480#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1481# define S_IWRITE S_IWUSR
1482#endif
1483
1484#ifndef S_IEXEC
1485# define S_IEXEC S_IXUSR
1486#endif
1487
79072805
LW		 1488#ifdef ff_next
1489# undef ff_next
352d5a3a
LW		 1490#endif
1491
a0d0e21e 1492#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1493# define SLOPPYDIVIDE
1494#endif
1495
748a9306
LW		 1496#ifdef UV
1497#undef UV
1498#endif
1499
c89df6bf
JH		 1500#ifdef SPRINTF_E_BUG
1501# define sprintf UTS_sprintf_wrap
1502#endif
1503
ce582cee
NC		 1504/* For the times when you want the return value of sprintf, and you want it
1505 to be the length. Can't have a thread variable passed in, because C89 has
1506 no varargs macros.
1507*/
1508#ifdef SPRINTF_RETURNS_STRLEN
1509# define my_sprintf sprintf
1510#else
1511# define my_sprintf Perl_my_sprintf
1512#endif
1513
5b692037
JH		 1514/*
1515 * If we have v?snprintf() and the C99 variadic macros, we can just
1516 * use just the v?snprintf(). It is nice to try to trap the buffer
1517 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1518 * gcc statement expressions, then use the function wrappers which try
1519 * to trap the overflow. If we can use the gcc statement expressions,
1520 * we can try that even with the version that uses the C99 variadic
1521 * macros.
5b692037
JH		 1522 */
1523
1208b3dd
JH		 1524/* Note that we do not check against snprintf()/vsnprintf() returning
1525 * negative values because that is non-standard behaviour and we use
1526 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1527 * that should be true only if the snprintf()/vsnprintf() are true
1528 * to the standard. */
1529
dfeee9b1 1530#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1531# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1532# 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 1533# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1534# else
1535# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1536# endif
1537#else
1538# define my_snprintf Perl_my_snprintf
1208b3dd 1539# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1540#endif
1541
dfeee9b1 1542#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1543# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1544# 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 1545# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1546# else
1547# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1548# endif
1549#else
1550# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1551# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1552#endif
d9fad198 1553
a6cc4119
SP		 1554#ifdef HAS_STRLCAT
1555# define my_strlcat strlcat
1556#else
1557# define my_strlcat Perl_my_strlcat
1558#endif
1559
1560#ifdef HAS_STRLCPY
1561# define my_strlcpy strlcpy
1562#else
1563# define my_strlcpy Perl_my_strlcpy
1564#endif
1565
c495e728
JH		 1566/* Configure gets this right but the UTS compiler gets it wrong.
1567 -- Hal Morris <hom00@utsglobal.com> */
1568#ifdef UTS
1569# undef UVTYPE
1570# define UVTYPE unsigned
1571#endif
1572
05f13f53 1573/*
27d4fb96 1574 The IV type is supposed to be long enough to hold any integral
1575 value or a pointer.
1576 --Andy Dougherty August 1996
1577*/
1578
a22e52b9
JH		 1579typedef IVTYPE IV;
1580typedef UVTYPE UV;
8175356b 1581
10cc9d2a 1582#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1583# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1584# define IV_MAX INT64_MAX
1585# define IV_MIN INT64_MIN
1586# define UV_MAX UINT64_MAX
cae7ae48
JH		 1587# ifndef UINT64_MIN
1588# define UINT64_MIN 0
1589# endif
5ff3f7a4
GS		 1590# define UV_MIN UINT64_MIN
1591# else
1592# define IV_MAX PERL_QUAD_MAX
1593# define IV_MIN PERL_QUAD_MIN
1594# define UV_MAX PERL_UQUAD_MAX
1595# define UV_MIN PERL_UQUAD_MIN
1596# endif
cf2093f6
JH		 1597# define IV_IS_QUAD
1598# define UV_IS_QUAD
79072805 1599#else
8175356b 1600# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1601# define IV_MAX INT32_MAX
1602# define IV_MIN INT32_MIN
716026f9
DL		 1603# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1604# define UV_MAX UINT32_MAX
1605# else
1606# define UV_MAX 4294967295U
1607# endif
cae7ae48
JH		 1608# ifndef UINT32_MIN
1609# define UINT32_MIN 0
1610# endif
5ff3f7a4
GS		 1611# define UV_MIN UINT32_MIN
1612# else
1613# define IV_MAX PERL_LONG_MAX
1614# define IV_MIN PERL_LONG_MIN
1615# define UV_MAX PERL_ULONG_MAX
1616# define UV_MIN PERL_ULONG_MIN
1617# endif
8175356b 1618# if IVSIZE == 8
cf2093f6
JH		 1619# define IV_IS_QUAD
1620# define UV_IS_QUAD
de1c2614
JH		 1621# ifndef HAS_QUAD
1622# define HAS_QUAD
1623# endif
cf2093f6
JH		 1624# else
1625# undef IV_IS_QUAD
1626# undef UV_IS_QUAD
de1c2614 1627# undef HAS_QUAD
cf2093f6 1628# endif
79072805 1629#endif
d7d93a81 1630
1109a392
MHM		 1631#ifndef HAS_QUAD
1632# undef PERL_NEED_MY_HTOLE64
1633# undef PERL_NEED_MY_LETOH64
1634# undef PERL_NEED_MY_HTOBE64
1635# undef PERL_NEED_MY_BETOH64
1636#endif
1637
6cde8aec 1638#if defined(uts) || defined(UTS)
11afe549
HM		 1639# undef UV_MAX
1640# define UV_MAX (4294967295u)
20601011
JH		 1641#endif
1642
cae7ae48 1643#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1644#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1645
28e5dec8 1646#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1647#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1648#endif
1649
d460ef45 1650/*
26bb67e2
JH		 1651 * The macros INT2PTR and NUM2PTR are (despite their names)
1652 * bi-directional: they will convert int/float to or from pointers.
1653 * However the conversion to int/float are named explicitly:
1654 * PTR2IV, PTR2UV, PTR2NV.
1655 *
1656 * For int conversions we do not need two casts if pointers are
1657 * the same size as IV and UV. Otherwise we need an explicit
1658 * cast (PTRV) to avoid compiler warnings.
1659 */
56431972
RB		 1660#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1661# define PTRV UV
1662# define INT2PTR(any,d) (any)(d)
1663#else
d460ef45 1664# if PTRSIZE == LONGSIZE
56431972 1665# define PTRV unsigned long
e91e3b10 1666# define PTR2ul(p) (unsigned long)(p)
42718184 1667# else
56431972 1668# define PTRV unsigned
42718184 1669# endif
e91e3b10
RB		 1670#endif
1671
1672#ifndef INT2PTR
56431972 1673# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1674#endif
e91e3b10
RB		 1675
1676#ifndef PTR2ul
1677# define PTR2ul(p) INT2PTR(unsigned long,p)
1678#endif
1679
56431972
RB		 1680#define NUM2PTR(any,d) (any)(PTRV)(d)
1681#define PTR2IV(p) INT2PTR(IV,p)
1682#define PTR2UV(p) INT2PTR(UV,p)
1683#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1684#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1685
8141890a
JH		 1686/* According to strict ANSI C89 one cannot freely cast between
1687 * data pointers and function (code) pointers. There are at least
1688 * two ways around this. One (used below) is to do two casts,
1689 * first the other pointer to an (unsigned) integer, and then
1690 * the integer to the other pointer. The other way would be
1691 * to use unions to "overlay" the pointers. For an example of
1692 * the latter technique, see union dirpu in struct xpvio in sv.h.
1693 * The only feasible use is probably temporarily storing
1694 * function pointers in a data pointer (such as a void pointer). */
1695
e91e3b10
RB		 1696#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1697#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1698
65202027 1699#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1700# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1701# define LONG_DOUBLE_EQUALS_DOUBLE
1702# endif
68d4903c 1703# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1704# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1705# endif
1706#endif
1707
2d4389e4
JH		 1708#ifdef OVR_DBL_DIG
1709/* Use an overridden DBL_DIG */
1710# ifdef DBL_DIG
1711# undef DBL_DIG
1712# endif
1713# define DBL_DIG OVR_DBL_DIG
1714#else
1715/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1716 default value for printing floating point numbers in Gconvert
1717 (see config.h). (It also has other uses, such as figuring out if
1718 a given precision of printing can be done with a double instead of
1719 a long double - Allen).
2d4389e4
JH		 1720*/
1721#ifdef I_LIMITS
1722#include <limits.h>
1723#endif
1724#ifdef I_FLOAT
1725#include <float.h>
1726#endif
1727#ifndef HAS_DBL_DIG
1728#define DBL_DIG 15 /* A guess that works lots of places */
1729#endif
1730#endif
cbca01e1
JH		 1731#ifdef I_FLOAT
1732#include <float.h>
1733#endif
1734#ifndef HAS_DBL_DIG
1735#define DBL_DIG 15 /* A guess that works lots of places */
1736#endif
2d4389e4
JH		 1737
1738#ifdef OVR_LDBL_DIG
1739/* Use an overridden LDBL_DIG */
1740# ifdef LDBL_DIG
1741# undef LDBL_DIG
1742# endif
1743# define LDBL_DIG OVR_LDBL_DIG
1744#else
1745/* The following is all to get LDBL_DIG, in order to pick a nice
1746 default value for printing floating point numbers in Gconvert.
1747 (see config.h)
1748*/
68d4903c
JH		 1749# ifdef I_LIMITS
1750# include <limits.h>
1751# endif
1752# ifdef I_FLOAT
1753# include <float.h>
1754# endif
1755# ifndef HAS_LDBL_DIG
1756# if LONG_DOUBLESIZE == 10
1757# define LDBL_DIG 18 /* assume IEEE */
1758# else
1759# if LONG_DOUBLESIZE == 12
1760# define LDBL_DIG 18 /* gcc? */
1761# else
1762# if LONG_DOUBLESIZE == 16
1763# define LDBL_DIG 33 /* assume IEEE */
1764# else
1765# if LONG_DOUBLESIZE == DOUBLESIZE
1766# define LDBL_DIG DBL_DIG /* bummer */
1767# endif
1768# endif
1769# endif
1770# endif
1771# endif
2d4389e4
JH		 1772#endif
1773
20f6aaab
AS		 1774/*
1775 * This is for making sure we have a good DBL_MAX value, if possible,
1776 * either for usage as NV_MAX or for usage in figuring out if we can
1777 * fit a given long double into a double, if bug-fixing makes it
1778 * necessary to do so. - Allen <allens@cpan.org>
1779 */
1780
205f51d8
AS		 1781#ifdef I_LIMITS
1782# include <limits.h>
20f6aaab
AS		 1783#endif
1784
205f51d8
AS		 1785#ifdef I_VALUES
1786# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1787# include <values.h>
1788# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1789# define DBL_MAX MAXDOUBLE
1790# endif
1791# if defined(MINDOUBLE) && !defined(DBL_MIN)
1792# define DBL_MIN MINDOUBLE
1793# endif
1794# endif
1795#endif /* defined(I_VALUES) */
1796
a22e52b9 1797typedef NVTYPE NV;
8175356b 1798
792d8dab
JH		 1799#ifdef I_IEEEFP
1800# include <ieeefp.h>
1801#endif
923fc586 1802
65202027 1803#ifdef USE_LONG_DOUBLE
923fc586
JH		 1804# ifdef I_SUNMATH
1805# include <sunmath.h>
1806# endif
2d4389e4 1807# define NV_DIG LDBL_DIG
d6c14000
JH		 1808# ifdef LDBL_MANT_DIG
1809# define NV_MANT_DIG LDBL_MANT_DIG
1810# endif
06fc1729
JH		 1811# ifdef LDBL_MIN
1812# define NV_MIN LDBL_MIN
1813# endif
1814# ifdef LDBL_MAX
1815# define NV_MAX LDBL_MAX
1816# endif
1817# ifdef LDBL_MIN_10_EXP
1818# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1819# endif
1820# ifdef LDBL_MAX_10_EXP
1821# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1822# endif
1823# ifdef LDBL_EPSILON
1824# define NV_EPSILON LDBL_EPSILON
1825# endif
f4a14a62
JH		 1826# ifdef LDBL_MAX
1827# define NV_MAX LDBL_MAX
20f6aaab 1828/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1829# else
1830# ifdef HUGE_VALL
1831# define NV_MAX HUGE_VALL
1832# else
1833# ifdef HUGE_VAL
1834# define NV_MAX ((NV)HUGE_VAL)
1835# endif
1836# endif
1837# endif
68d4903c 1838# ifdef HAS_SQRTL
68d4903c
JH		 1839# define Perl_cos cosl
1840# define Perl_sin sinl
1841# define Perl_sqrt sqrtl
1842# define Perl_exp expl
1843# define Perl_log logl
1844# define Perl_atan2 atan2l
1845# define Perl_pow powl
1846# define Perl_floor floorl
1bbae031 1847# define Perl_ceil ceill
68d4903c
JH		 1848# define Perl_fmod fmodl
1849# endif
a3540c92
JH		 1850/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1851# ifdef HAS_MODFL
1852# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1853/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1854 prototype in <math.h> */
1855# ifndef HAS_MODFL_PROTO
a221a8a5 1856EXTERN_C long double modfl(long double, long double *);
51997bc3 1857# endif
03476e8e
JH		 1858# else
1859# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1860 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1861# define Perl_modf(x,y) Perl_my_modfl(x,y)
1862# endif
a3540c92
JH		 1863# endif
1864# ifdef HAS_FREXPL
dff3e0b8 1865# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1866# else
1867# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1868 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1869# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1870# endif
a3540c92 1871# endif
38dbb4c5 1872# ifndef Perl_isnan
758a5d79
JH		 1873# ifdef HAS_ISNANL
1874# define Perl_isnan(x) isnanl(x)
1875# endif
1876# endif
1877# ifndef Perl_isinf
1878# ifdef HAS_FINITEL
1879# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1880# endif
1881# endif
65202027 1882#else
2d4389e4 1883# define NV_DIG DBL_DIG
d6c14000
JH		 1884# ifdef DBL_MANT_DIG
1885# define NV_MANT_DIG DBL_MANT_DIG
1886# endif
06fc1729
JH		 1887# ifdef DBL_MIN
1888# define NV_MIN DBL_MIN
1889# endif
1890# ifdef DBL_MAX
1891# define NV_MAX DBL_MAX
1892# endif
1893# ifdef DBL_MIN_10_EXP
1894# define NV_MIN_10_EXP DBL_MIN_10_EXP
1895# endif
1896# ifdef DBL_MAX_10_EXP
1897# define NV_MAX_10_EXP DBL_MAX_10_EXP
1898# endif
1899# ifdef DBL_EPSILON
1900# define NV_EPSILON DBL_EPSILON
1901# endif
205f51d8 1902# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1903# define NV_MAX DBL_MAX
1904# define NV_MIN DBL_MIN
1905# else
1906# ifdef HUGE_VAL
1907# define NV_MAX HUGE_VAL
1908# endif
1909# endif
65202027
DS		 1910# define Perl_cos cos
1911# define Perl_sin sin
1912# define Perl_sqrt sqrt
1913# define Perl_exp exp
1914# define Perl_log log
1915# define Perl_atan2 atan2
1916# define Perl_pow pow
1917# define Perl_floor floor
1bbae031 1918# define Perl_ceil ceil
65202027 1919# define Perl_fmod fmod
a3540c92 1920# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1921# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1922#endif
1923
1924/* rumor has it that Win32 has _fpclass() */
1925
205f51d8
AS		 1926/* SGI has fpclassl... but not with the same result values,
1927 * and it's via a typedef (not via #define), so will need to redo Configure
1928 * to use. Not worth the trouble, IMO, at least until the below is used
1929 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1930 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1931 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1932
758a5d79
JH		 1933#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1934# ifdef I_IEEFP
1935# include <ieeefp.h>
1936# endif
1937# ifdef I_FP
1938# include <fp.h>
1939# endif
1940# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1941# define Perl_fp_class() fpclassl(x)
1942# else
1943# define Perl_fp_class() fpclass(x)
1944# endif
1945# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1946# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1947# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1948# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1949# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1950# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1951# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1952# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1953# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1954# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1955# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1956# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1957# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1958# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1959# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1960#endif
1961
7114a2d2 1962#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1963# include <math.h>
1964# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1965# include <fp_class.h>
1966# endif
1967# define Perl_fp_class(x) fp_class(x)
1968# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1969# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1970# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1971# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1972# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1973# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1974# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1975# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1976# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1977# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1978# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1979# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1980# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1981# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1982# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1983#endif
1984
1985#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1986# include <math.h>
1987# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1988# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1989# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1990# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1991# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1992# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1993#endif
1994
1995#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1996# include <math.h>
1997# ifndef _cplusplus
1998# define Perl_fp_class(x) class(x)
1999# else
2000# define Perl_fp_class(x) _class(x)
2001# endif
2002# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2003# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2004# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2005# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2006# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2007# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2008# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2009# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2010# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2011# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2012# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2013# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2014# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2015# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2016# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2017#endif
2018
2019/* rumor has it that Win32 has _isnan() */
2020
2021#ifndef Perl_isnan
a3540c92 2022# ifdef HAS_ISNAN
758a5d79
JH		 2023# define Perl_isnan(x) isnan((NV)x)
2024# else
2025# ifdef Perl_fp_class_nan
2026# define Perl_isnan(x) Perl_fp_class_nan(x)
2027# else
2028# ifdef HAS_UNORDERED
2029# define Perl_isnan(x) unordered((x), 0.0)
2030# else
2031# define Perl_isnan(x) ((x)!=(x))
2032# endif
2033# endif
2034# endif
2035#endif
2036
ca6c63e1
JH		 2037#ifdef UNDER_CE
2038int isnan(double d);
2039#endif
2040
758a5d79
JH		 2041#ifndef Perl_isinf
2042# ifdef HAS_ISINF
2043# define Perl_isinf(x) isinf((NV)x)
a3540c92 2044# else
758a5d79
JH		 2045# ifdef Perl_fp_class_inf
2046# define Perl_isinf(x) Perl_fp_class_inf(x)
2047# else
2048# define Perl_isinf(x) ((x)==NV_INF)
2049# endif
2050# endif
2051#endif
2052
2053#ifndef Perl_isfinite
2054# ifdef HAS_FINITE
2055# define Perl_isfinite(x) finite((NV)x)
2056# else
2057# ifdef HAS_ISFINITE
2058# define Perl_isfinite(x) isfinite(x)
2059# else
2060# ifdef Perl_fp_class_finite
2061# define Perl_isfinite(x) Perl_fp_class_finite(x)
2062# else
2063# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2064# endif
2065# endif
a3540c92 2066# endif
65202027
DS		 2067#endif
2068
a36244b7
JH		 2069/* The default is to use Perl's own atof() implementation (in numeric.c).
2070 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2071 * it is however best to use the native implementation of atof.
2072 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2073 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2074 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2075 * you may need to be using a different function than atof! */
a36244b7
JH		 2076
2077#ifndef USE_PERL_ATOF
2078# ifndef _UNICOS
2079# define USE_PERL_ATOF
2080# endif
2081#else
2082# if USE_PERL_ATOF == 0
2083# undef USE_PERL_ATOF
2084# endif
2085#endif
2086
2087#ifdef USE_PERL_ATOF
2088# define Perl_atof(s) Perl_my_atof(s)
2089# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2090#else
2091# define Perl_atof(s) (NV)atof(s)
2092# define Perl_atof2(s, n) ((n) = atof(s))
2093#endif
cf2093f6 2094
d460ef45 2095/* Previously these definitions used hardcoded figures.
760ac839
LW		 2096 * It is hoped these formula are more portable, although
2097 * no data one way or another is presently known to me.
2098 * The "PERL_" names are used because these calculated constants
2099 * do not meet the ANSI requirements for LONG_MAX, etc., which
2100 * need to be constants acceptable to #if - kja
2101 * define PERL_LONG_MAX 2147483647L
2102 * define PERL_LONG_MIN (-LONG_MAX - 1)
2103 * define PERL ULONG_MAX 4294967295L
2104 */
2105
2106#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2107# include <limits.h>
760ac839 2108#endif
205f51d8
AS		 2109/* Included values.h above if necessary; still including limits.h down here,
2110 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2111
99abf803 2112/*
2113 * Try to figure out max and min values for the integral types. THE CORRECT
2114 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2115 * following hacks are used if neither limits.h or values.h provide them:
2116 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2117 * for types < int: (unsigned TYPE)~(unsigned)0
2118 * The argument to ~ must be unsigned so that later signed->unsigned
2119 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2120 * and it must not be smaller than int because ~ does integral promotion.
2121 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2122 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2123 * The latter is a hack which happens to work on some machines but
2124 * does *not* catch any random system, or things like integer types
2125 * with NaN if that is possible.
2126 *
2127 * All of the types are explicitly cast to prevent accidental loss of
2128 * numeric range, and in the hope that they will be less likely to confuse
2129 * over-eager optimizers.
2130 *
2131 */
27d4fb96 2132
99abf803 2133#define PERL_UCHAR_MIN ((unsigned char)0)
2134
2135#ifdef UCHAR_MAX
2136# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2137#else
99abf803 2138# ifdef MAXUCHAR
2139# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2140# else
99abf803 2141# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2142# endif
2143#endif
d460ef45 2144
99abf803 2145/*
2146 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2147 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2148 * depending on local options. Until Configure detects this (or at least
2149 * detects whether the "signed" keyword is available) the CHAR ranges
2150 * will not be included. UCHAR functions normally.
2151 * - kja
2152 */
27d4fb96 2153
99abf803 2154#define PERL_USHORT_MIN ((unsigned short)0)
2155
2156#ifdef USHORT_MAX
2157# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2158#else
99abf803 2159# ifdef MAXUSHORT
2160# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2161# else
ef2f54b0
CB		 2162# ifdef USHRT_MAX
2163# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2164# else
2165# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2166# endif
27d4fb96 2167# endif
2168#endif
2169
27d4fb96 2170#ifdef SHORT_MAX
99abf803 2171# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2172#else
2173# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2174# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2175# else
ef2f54b0
CB		 2176# ifdef SHRT_MAX
2177# define PERL_SHORT_MAX ((short)SHRT_MAX)
2178# else
2179# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2180# endif
27d4fb96 2181# endif
2182#endif
2183
2184#ifdef SHORT_MIN
99abf803 2185# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2186#else
2187# ifdef MINSHORT
99abf803 2188# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2189# else
ef2f54b0
CB		 2190# ifdef SHRT_MIN
2191# define PERL_SHORT_MIN ((short)SHRT_MIN)
2192# else
2193# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2194# endif
27d4fb96 2195# endif
2196#endif
2197
99abf803 2198#ifdef UINT_MAX
2199# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2200#else
99abf803 2201# ifdef MAXUINT
2202# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2203# else
99abf803 2204# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2205# endif
2206#endif
2207
99abf803 2208#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2209
2210#ifdef INT_MAX
99abf803 2211# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2212#else
2213# ifdef MAXINT /* Often used in <values.h> */
99abf803 2214# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2215# else
99abf803 2216# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2217# endif
2218#endif
2219
2220#ifdef INT_MIN
99abf803 2221# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2222#else
2223# ifdef MININT
99abf803 2224# define PERL_INT_MIN ((int)MININT)
27d4fb96 2225# else
2226# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2227# endif
2228#endif
2229
99abf803 2230#ifdef ULONG_MAX
2231# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2232#else
99abf803 2233# ifdef MAXULONG
2234# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2235# else
99abf803 2236# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2237# endif
2238#endif
2239
99abf803 2240#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2241
760ac839 2242#ifdef LONG_MAX
99abf803 2243# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2244#else
2245# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2246# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2247# else
99abf803 2248# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2249# endif
2250#endif
2251
2252#ifdef LONG_MIN
99abf803 2253# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2254#else
2255# ifdef MINLONG
99abf803 2256# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2257# else
27d4fb96 2258# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2259# endif
2260#endif
2261
d7d93a81 2262#ifdef UV_IS_QUAD
99abf803 2263
99abf803 2264# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2265# define PERL_UQUAD_MIN ((UV)0)
99abf803 2266# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2267# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2268
79072805
LW		 2269#endif
2270
22f7c9c9
JH		 2271#ifdef MYMALLOC
2272# include "malloc_ctl.h"
2273#endif
2274
830247a4 2275struct RExC_state_t;
8e11feef 2276struct _reg_trie_data;
880b20b6 2277
ee0007ab 2278typedef MEM_SIZE STRLEN;
450a55e4 2279
598921a7
NC		 2280#ifdef PERL_MAD
2281typedef struct token TOKEN;
2282typedef struct madprop MADPROP;
2283typedef struct nexttoken NEXTTOKE;
2284#endif
79072805
LW		 2285typedef struct op OP;
2286typedef struct cop COP;
2287typedef struct unop UNOP;
2288typedef struct binop BINOP;
2289typedef struct listop LISTOP;
2290typedef struct logop LOGOP;
79072805
LW		 2291typedef struct pmop PMOP;
2292typedef struct svop SVOP;
7934575e 2293typedef struct padop PADOP;
79072805 2294typedef struct pvop PVOP;
79072805
LW		 2295typedef struct loop LOOP;
2296
cd1541b2
NC		 2297typedef struct interpreter PerlInterpreter;
2298
d2b3f365
SS		 2299/* Amdahl's <ksync.h> has struct sv */
2300/* SGI's <sys/sema.h> has struct sv */
2301#if defined(UTS) || defined(__sgi)
2302# define STRUCT_SV perl_sv
b8d3c5db
JH		 2303#else
2304# define STRUCT_SV sv
2305#endif
2306typedef struct STRUCT_SV SV;
79072805
LW		 2307typedef struct av AV;
2308typedef struct hv HV;
2309typedef struct cv CV;
378cc40b 2310typedef struct regexp REGEXP;
79072805 2311typedef struct gp GP;
0c30d9ec 2312typedef struct gv GV;
8990e307 2313typedef struct io IO;
c09156bb 2314typedef struct context PERL_CONTEXT;
79072805
LW		 2315typedef struct block BLOCK;
2316
2317typedef struct magic MAGIC;
2318typedef struct xpv XPV;
2319typedef struct xpviv XPVIV;
ff68c719 2320typedef struct xpvuv XPVUV;
79072805
LW		 2321typedef struct xpvnv XPVNV;
2322typedef struct xpvmg XPVMG;
2323typedef struct xpvlv XPVLV;
2324typedef struct xpvav XPVAV;
2325typedef struct xpvhv XPVHV;
2326typedef struct xpvgv XPVGV;
2327typedef struct xpvcv XPVCV;
2328typedef struct xpvbm XPVBM;
2329typedef struct xpvfm XPVFM;
8990e307 2330typedef struct xpvio XPVIO;
79072805
LW		 2331typedef struct mgvtbl MGVTBL;
2332typedef union any ANY;
5f7fde29
GS		 2333typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2334typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2335typedef struct clone_params CLONE_PARAMS;
2336
378cc40b 2337#include "handy.h"
a0d0e21e 2338
6b8eaf93 2339#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2340# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2341# define USE_64_BIT_RAWIO /* implicit */
2342# endif
4564133c
JH		 2343#endif
2344
6b8eaf93
JH		 2345/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2346 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2347 * however, because operating systems like to do that themself. */
2348#ifndef FSEEKSIZE
2349# ifdef HAS_FSEEKO
2350# define FSEEKSIZE LSEEKSIZE
2351# else
2352# define FSEEKSIZE LONGSIZE
d460ef45 2353# endif
6b8eaf93
JH		 2354#endif
2355
2356#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2357# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2358# define USE_64_BIT_STDIO /* implicit */
2359# endif
2360#endif
4564133c 2361
09458382 2362#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2363# ifdef HAS_OFF64_T
2364# undef Off_t
2365# define Off_t off64_t
2366# undef LSEEKSIZE
2367# define LSEEKSIZE 8
5ff3f7a4 2368# endif
d9b3e12d
JH		 2369/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2370 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2371 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2372# if defined(USE_OPEN64)
2373# define open open64
5ff3f7a4 2374# endif
d9b3e12d
JH		 2375# if defined(USE_LSEEK64)
2376# define lseek lseek64
6b8eaf93
JH		 2377# else
2378# if defined(USE_LLSEEK)
2379# define lseek llseek
2380# endif
d9b3e12d
JH		 2381# endif
2382# if defined(USE_STAT64)
2383# define stat stat64
2384# endif
2385# if defined(USE_FSTAT64)
2386# define fstat fstat64
2387# endif
2388# if defined(USE_LSTAT64)
2389# define lstat lstat64
2390# endif
2391# if defined(USE_FLOCK64)
2392# define flock flock64
2393# endif
2394# if defined(USE_LOCKF64)
2395# define lockf lockf64
2396# endif
2397# if defined(USE_FCNTL64)
2398# define fcntl fcntl64
2399# endif
2400# if defined(USE_TRUNCATE64)
2401# define truncate truncate64
2402# endif
2403# if defined(USE_FTRUNCATE64)
2404# define ftruncate ftruncate64
2405# endif
2406#endif
2407
2408#ifdef USE_64_BIT_STDIO
2409# ifdef HAS_FPOS64_T
2410# undef Fpos_t
2411# define Fpos_t fpos64_t
2412# endif
2413/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2414 * will trigger defines like the ones below. Some 64-bit environments,
2415 * however, do not. */
2416# if defined(USE_FOPEN64)
2417# define fopen fopen64
2418# endif
2419# if defined(USE_FSEEK64)
6b8eaf93 2420# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2421# endif
2422# if defined(USE_FTELL64)
6b8eaf93 2423# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2424# endif
2425# if defined(USE_FSETPOS64)
2426# define fsetpos fsetpos64
2427# endif
2428# if defined(USE_FGETPOS64)
2429# define fgetpos fgetpos64
2430# endif
2431# if defined(USE_TMPFILE64)
2432# define tmpfile tmpfile64
2433# endif
2434# if defined(USE_FREOPEN64)
2435# define freopen freopen64
5ff3f7a4
GS		 2436# endif
2437#endif
2438
af8b425d 2439#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2440# include "iperlsys.h"
2441#endif
2442
6f71a643 2443#if defined(__OPEN_VM)
19848b3f
JH		 2444# include "vmesa/vmesaish.h"
2445# define ISHISH "vmesa"
6f71a643
JH		 2446#endif
2447
748a9306 2448#ifdef DOSISH
19848b3f
JH		 2449# if defined(OS2)
2450# include "os2ish.h"
2451# else
2452# include "dosish.h"
2453# endif
2454# define ISHISH "dos"
2455#endif
2456
2457#if defined(VMS)
748a9306 2458# include "vmsish.h"
96e176bf 2459# include "embed.h"
eb8433b7
NC		 2460# ifndef PERL_MAD
2461# undef op_getmad
b3f24c00 2462# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2463# endif
19848b3f
JH		 2464# define ISHISH "vms"
2465#endif
2466
2467#if defined(PLAN9)
2468# include "./plan9/plan9ish.h"
2469# define ISHISH "plan9"
2470#endif
2471
2472#if defined(MPE)
2473# include "mpeix/mpeixish.h"
2474# define ISHISH "mpeix"
2475#endif
2476
2477#if defined(__VOS__)
196918b0
PG		 2478# ifdef __GNUC__
2479# include "./vos/vosish.h"
2480# else
2481# include "vos/vosish.h"
2482# endif
19848b3f
JH		 2483# define ISHISH "vos"
2484#endif
2485
2486#if defined(EPOC)
2487# include "epocish.h"
2488# define ISHISH "epoc"
2489#endif
2490
9969cdde 2491#ifdef __SYMBIAN32__
27da23d5
JH		 2492# include "symbian/symbianish.h"
2493# include "embed.h"
eb8433b7
NC		 2494# ifndef PERL_MAD
2495# undef op_getmad
b3f24c00 2496# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2497# endif
27da23d5
JH		 2498# define ISHISH "symbian"
2499#endif
2500
19848b3f
JH		 2501#if defined(MACOS_TRADITIONAL)
2502# include "macos/macish.h"
2503# ifndef NO_ENVIRON_ARRAY
2504# define NO_ENVIRON_ARRAY
0c30d9ec 2505# endif
19848b3f
JH		 2506# define ISHISH "macos classic"
2507#endif
2508
efca5cc6
JH		 2509#if defined(__BEOS__)
2510# include "beos/beosish.h"
2511# define ISHISH "beos"
2512#endif
2513
19848b3f
JH		 2514#ifndef ISHISH
2515# include "unixish.h"
2516# define ISHISH "unix"
13b6e58c
JH		 2517#endif
2518
2946a158
JH		 2519/* NSIG logic from Configure --> */
2520/* Strange style to avoid deeply-nested #if/#else/#endif */
2521#ifndef NSIG
2522# ifdef _NSIG
2523# define NSIG (_NSIG)
2524# endif
2525#endif
2526
2527#ifndef NSIG
2528# ifdef SIGMAX
2529# define NSIG (SIGMAX+1)
2530# endif
2531#endif
2532
2533#ifndef NSIG
2534# ifdef SIG_MAX
2535# define NSIG (SIG_MAX+1)
2536# endif
2537#endif
2538
2539#ifndef NSIG
2540# ifdef _SIG_MAX
2541# define NSIG (_SIG_MAX+1)
2542# endif
2543#endif
2544
2545#ifndef NSIG
2546# ifdef MAXSIG
2547# define NSIG (MAXSIG+1)
2548# endif
2549#endif
2550
2551#ifndef NSIG
2552# ifdef MAX_SIG
2553# define NSIG (MAX_SIG+1)
2554# endif
2555#endif
2556
2557#ifndef NSIG
2558# ifdef SIGARRAYSIZE
2559# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2560# endif
2561#endif
2562
2563#ifndef NSIG
2564# ifdef _sys_nsig
2565# define NSIG (_sys_nsig) /* Solaris 2.5 */
2566# endif
2567#endif
2568
2569/* Default to some arbitrary number that's big enough to get most
2570 of the common signals.
2571*/
2572#ifndef NSIG
2573# define NSIG 50
2574#endif
2575/* <-- NSIG logic from Configure */
2576
13b6e58c
JH		 2577#ifndef NO_ENVIRON_ARRAY
2578# define USE_ENVIRON_ARRAY
2579#endif
32f822de 2580
c77b533b
JH		 2581/*
2582 * initialise to avoid floating-point exceptions from overflow, etc
2583 */
2584#ifndef PERL_FPU_INIT
2585# ifdef HAS_FPSETMASK
2586# if HAS_FLOATINGPOINT_H
2587# include <floatingpoint.h>
2588# endif
7f7c3354 2589# define PERL_FPU_INIT fpsetmask(0)
c77b533b 2590# else
2f42fcb0 2591# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2592# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2593# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2594# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2595# else
2596# define PERL_FPU_INIT
2f42fcb0 2597
7014c407 2598# endif
c77b533b
JH		 2599# endif
2600#endif
b35112e7
CS		 2601#ifndef PERL_FPU_PRE_EXEC
2602# define PERL_FPU_PRE_EXEC {
2603# define PERL_FPU_POST_EXEC }
2604#endif
c77b533b 2605
ed344e4f
IZ		 2606#ifndef PERL_SYS_INIT3
2607# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2608#endif
2609
be708cc0
JH		 2610#ifndef PERL_WRITE_MSG_TO_CONSOLE
2611# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2612#endif
2613
0f31cffe
GS		 2614#ifndef MAXPATHLEN
2615# ifdef PATH_MAX
b990c8b2
JH		 2616# ifdef _POSIX_PATH_MAX
2617# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2618/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2619 * included the null byte or not. Later amendments of POSIX,
2620 * XPG4, the Austin Group, and the Single UNIX Specification
2621 * all explicitly include the null byte in the PATH_MAX.
2622 * Ditto for _POSIX_PATH_MAX. */
2623# define MAXPATHLEN PATH_MAX
b990c8b2 2624# else
09448d78 2625# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2626# endif
2627# else
2628# define MAXPATHLEN (PATH_MAX+1)
2629# endif
0f31cffe 2630# else
b990c8b2 2631# ifdef _POSIX_PATH_MAX
09448d78 2632# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2633# else
2634# define MAXPATHLEN 1024 /* Err on the large side. */
2635# endif
0f31cffe
GS		 2636# endif
2637#endif
2638
c80263a8
SH		 2639/* In case Configure was not used (we are using a "canned config"
2640 * such as Win32, or a cross-compilation setup, for example) try going
2641 * by the gcc major and minor versions. One useful URL is
2642 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2643 * but contrary to this information warn_unused_result seems
2644 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2645 * Also, when building extensions with an installed perl, this allows
2646 * the user to upgrade gcc and get the right attributes, rather than
2647 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2648 * Set these up now otherwise we get confused when some of the <*thread.h>
2649 * includes below indirectly pull in <perlio.h> (which needs to know if we
2650 * have HASATTRIBUTE_FORMAT).
2651 */
2652
fc2007d4 2653#if defined __GNUC__ && !defined(__INTEL_COMPILER)
c80263a8
SH		 2654# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2655# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2656# if defined __MINGW32__
2657# define PRINTF_FORMAT_NULL_OK
2658# endif
c80263a8
SH		 2659# endif
2660# if __GNUC__ >= 3 /* 3.0 -> */
2661# define HASATTRIBUTE_MALLOC
2662# endif
2663# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2664# define HASATTRIBUTE_NONNULL
2665# endif
2666# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2667# define HASATTRIBUTE_NORETURN
2668# endif
2669# if __GNUC__ >= 3 /* gcc 3.0 -> */
2670# define HASATTRIBUTE_PURE
2671# endif
42bf5550 2672# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2673# define HASATTRIBUTE_UNUSED
2674# endif
d324fe49
AD		 2675# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2676# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2677# endif
c80263a8
SH		 2678# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2679# define HASATTRIBUTE_WARN_UNUSED_RESULT
2680# endif
2681#endif
2682
3db8f154 2683/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2684 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2685 * this results in many functions being undeclared which bothers C++
2686 * May make sense to have threads after "*ish.h" anyway
2687 */
2688
3db8f154 2689#if defined(USE_ITHREADS)
2986a63f
JH		 2690# ifdef NETWARE
2691# include <nw5thread.h>
2692# else
32f822de
GS		 2693# ifdef FAKE_THREADS
2694# include "fakethr.h"
2695# else
2696# ifdef WIN32
2697# include <win32thread.h>
2698# else
dd96f567
IZ		 2699# ifdef OS2
2700# include "os2thread.h"
2701# else
7f3d1cf1 2702# ifdef I_MACH_CTHREADS
bdd66968 2703# include <mach/cthreads.h>
8f1f23e8 2704# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2705# define MUTEX_INIT_CALLS_MALLOC
2706# endif
7f3d1cf1
BH		 2707typedef cthread_t perl_os_thread;
2708typedef mutex_t perl_mutex;
2709typedef condition_t perl_cond;
2710typedef void * perl_key;
2711# else /* Posix threads */
1f5ae88c
JH		 2712# ifdef I_PTHREAD
2713# include <pthread.h>
2714# endif
7f3d1cf1
BH		 2715typedef pthread_t perl_os_thread;
2716typedef pthread_mutex_t perl_mutex;
2717typedef pthread_cond_t perl_cond;
2718typedef pthread_key_t perl_key;
2719# endif /* I_MACH_CTHREADS */
dd96f567 2720# endif /* OS2 */
32f822de
GS		 2721# endif /* WIN32 */
2722# endif /* FAKE_THREADS */
2986a63f 2723#endif /* NETWARE */
3db8f154 2724#endif /* USE_ITHREADS */
c5be433b 2725
66a93824 2726#if defined(WIN32)
1feb2720 2727# include "win32.h"
c5be433b
GS		 2728#endif
2729
2986a63f
JH		 2730#ifdef NETWARE
2731# include "netware.h"
2732#endif
2733
e5218da5 2734#define STATUS_UNIX PL_statusvalue
68dc0745 2735#ifdef VMS
6b88bc9c 2736# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2737/*
2738 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2739 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2740 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2741 * be updated also.
2742 */
2743# include <stsdef.h>
2744# include <ssdef.h>
2745/* Presume this because if VMS changes it, it will require a new
2746 * set of APIs for waiting on children for binary compatibility.
2747 */
2748# define child_offset_bits (8)
2749# ifndef C_FAC_POSIX
2750# define C_FAC_POSIX 0x35A000
2751# endif
2752
2753/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2754 * platform from the existing UNIX or Native status values.
2755 */
2756
37038d91 2757# define STATUS_EXIT \
7a7fd8e0
JM		 2758 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2759 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2760
7a7fd8e0 2761
fb38d079
JM		 2762/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2763 * exit code and shifts the UNIX value over the correct number of bits to
2764 * be a child status. Usually the number of bits is 8, but that could be
2765 * platform dependent. The NATIVE status code is presumed to have either
2766 * from a child process.
7a7fd8e0
JM		 2767 */
2768
fb38d079
JM		 2769/* This is complicated. The child processes return a true native VMS
2770 status which must be saved. But there is an assumption in Perl that
2771 the UNIX child status has some relationship to errno values, so
2772 Perl tries to translate it to text in some of the tests.
2773 In order to get the string translation correct, for the error, errno
2774 must be EVMSERR, but that generates a different text message
2775 than what the test programs are expecting. So an errno value must
2776 be derived from the native status value when an error occurs.
2777 That will hide the true native status message. With this version of
2778 perl, the true native child status can always be retrieved so that
2779 is not a problem. But in this case, Pl_statusvalue and errno may
2780 have different values in them.
2781 */
7a7fd8e0 2782
fb38d079 2783# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2784 STMT_START { \
2fbb330f
JM		 2785 I32 evalue = (I32)n; \
2786 if (evalue == EVMSERR) { \
2787 PL_statusvalue_vms = vaxc$errno; \
2788 PL_statusvalue = evalue; \
7a7fd8e0 2789 } else { \
2fbb330f 2790 PL_statusvalue_vms = evalue; \
fb38d079 2791 if (evalue == -1) { \
3280af22 2792 PL_statusvalue = -1; \
7a7fd8e0
JM		 2793 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2794 } else \
fb38d079 2795 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2796 set_vaxc_errno(evalue); \
fb38d079
JM		 2797 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2798 set_errno(EVMSERR); \
2799 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2800 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2801 } \
68dc0745 2802 } STMT_END
7a7fd8e0 2803
68dc0745 2804# ifdef VMSISH_STATUS
e5218da5 2805# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2806# else
e5218da5 2807# define STATUS_CURRENT STATUS_UNIX
68dc0745 2808# endif
7a7fd8e0
JM		 2809
2810 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2811 * the NATIVE status to an equivalent value. Can not be used to translate
2812 * exit code values as exit code values are not guaranteed to have any
2813 * relationship at all to errno values.
2814 * This is used when Perl is forcing errno to have a specific value.
2815 */
e5218da5 2816# define STATUS_UNIX_SET(n) \
68dc0745 2817 STMT_START { \
7a7fd8e0 2818 I32 evalue = (I32)n; \
0968cdad 2819 PL_statusvalue = evalue; \
3280af22 2820 if (PL_statusvalue != -1) { \
0968cdad
JM		 2821 if (PL_statusvalue != EVMSERR) { \
2822 PL_statusvalue &= 0xFFFF; \
2823 if (MY_POSIX_EXIT) \
2824 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2825 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2826 } \
2827 else { \
2828 PL_statusvalue_vms = vaxc$errno; \
2829 } \
68dc0745 2830 } \
0968cdad
JM		 2831 else PL_statusvalue_vms = SS$_ABORT; \
2832 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2833 } STMT_END
2834
2835 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2836 * the NATIVE error status based on it. It does not assume that
fb38d079
JM		 2837 * the UNIX/POSIX exit codes have any relationship to errno, except
2838 * that 0 indicates a success. When in the default mode to comply
6ac6a52b
JM		 2839 * with the Perl VMS documentation, any other code sets the NATIVE
2840 * status to a failure code of SS$_ABORT.
fb38d079
JM		 2841 *
2842 * In the new POSIX EXIT mode, native status will be set so that the
2843 * actual exit code will can be retrieved by the calling program or
2844 * shell.
2845 *
2846 * If the exit code is not clearly a UNIX parent or child exit status,
2847 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2848 */
2849
fb38d079 2850# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2851 STMT_START { \
2852 I32 evalue = (I32)n; \
2853 PL_statusvalue = evalue; \
fb38d079
JM		 2854 if (evalue != -1) { \
2855 if (evalue <= 0xFF00) { \
2856 if (evalue > 0xFF) \
2857 evalue = (evalue >> child_offset_bits) & 0xFF; \
2858 if (evalue == 0) \
2859 PL_statusvalue_vms == SS$_NORMAL; \
2860 else \
2861 if (MY_POSIX_EXIT) \
2862 PL_statusvalue_vms = \
2863 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2864 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
0968cdad 2865 else \
6ac6a52b 2866 PL_statusvalue_vms = SS$_ABORT; \
fb38d079
JM		 2867 } else { /* forgive them Perl, for they have sinned */ \
2868 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2869 else PL_statusvalue_vms = vaxc$errno; \
2870 /* And obviously used a VMS status value instead of UNIX */ \
2871 PL_statusvalue = EVMSERR; \
2872 } \
7a7fd8e0
JM		 2873 } \
2874 else PL_statusvalue_vms = SS$_ABORT; \
2875 set_vaxc_errno(PL_statusvalue_vms); \
68dc0745 2876 } STMT_END
fb38d079 2877
6ac6a52b
JM		 2878 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2879 * and sets the NATIVE error status based on it. This special case
2880 * is needed to maintain compatibility with past VMS behavior.
2881 *
2882 * In the default mode on VMS, this number is passed through as
2883 * both the NATIVE and UNIX status. Which makes it different
2884 * that the STATUS_UNIX_EXIT_SET.
2885 *
2886 * In the new POSIX EXIT mode, native status will be set so that the
2887 * actual exit code will can be retrieved by the calling program or
2888 * shell.
2889 *
2890 */
2891
2892# define STATUS_EXIT_SET(n) \
2893 STMT_START { \
2894 I32 evalue = (I32)n; \
2895 PL_statusvalue = evalue; \
2896 if (MY_POSIX_EXIT) \
2897 PL_statusvalue_vms = \
2898 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2899 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
6ac6a52b
JM		 2900 else \
2901 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2902 set_vaxc_errno(PL_statusvalue_vms); \
2903 } STMT_END
2904
fb38d079
JM		 2905
2906 /* This macro forces a success status */
7a7fd8e0
JM		 2907# define STATUS_ALL_SUCCESS \
2908 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 2909
2910 /* This macro forces a failure status */
7a7fd8e0
JM		 2911# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2912 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2913 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2914
68dc0745 2915#else
e5218da5 2916# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2917# if defined(WCOREDUMP)
37038d91 2918# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2919 STMT_START { \
2920 PL_statusvalue_posix = (n); \
2921 if (PL_statusvalue_posix == -1) \
2922 PL_statusvalue = -1; \
2923 else { \
2924 PL_statusvalue = \
2925 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2926 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2927 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2928 } \
2929 } STMT_END
2930# elif defined(WIFEXITED)
37038d91 2931# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2932 STMT_START { \
2933 PL_statusvalue_posix = (n); \
2934 if (PL_statusvalue_posix == -1) \
2935 PL_statusvalue = -1; \
2936 else { \
2937 PL_statusvalue = \
2938 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2939 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2940 } \
2941 } STMT_END
2942# else
37038d91 2943# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2944 STMT_START { \
2945 PL_statusvalue_posix = (n); \
2946 if (PL_statusvalue_posix == -1) \
2947 PL_statusvalue = -1; \
2948 else { \
2949 PL_statusvalue = \
2950 PL_statusvalue_posix & 0xFFFF; \
2951 } \
2952 } STMT_END
2953# endif
2954# define STATUS_UNIX_SET(n) \
68dc0745 2955 STMT_START { \
3280af22
NIS		 2956 PL_statusvalue = (n); \
2957 if (PL_statusvalue != -1) \
2958 PL_statusvalue &= 0xFFFF; \
68dc0745 2959 } STMT_END
7a7fd8e0 2960# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2961# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2962# define STATUS_CURRENT STATUS_UNIX
37038d91 2963# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 2964# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2965# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 2966#endif
2967
cc3604b1
GS		 2968/* flags in PL_exit_flags for nature of exit() */
2969#define PERL_EXIT_EXPECTED 0x01
31d77e54 2970#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2971
0b94c7bb 2972#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2973# define MEMBER_TO_FPTR(name) name
2974#endif
2975
2976/* format to use for version numbers in file/directory names */
273cf8d1 2977/* XXX move to Configure? */
a7cb1f99 2978#ifndef PERL_FS_VER_FMT
273cf8d1 2979# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2980#endif
2981
45bc9206 2982/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2983 * performance issue, so we allow people to disable it. Also, if
2984 * we are using stdio, there are broken implementations of fflush(NULL)
2985 * out there, Solaris being the most prominent.
45bc9206
GS		 2986 */
2987#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2988# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2989# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2990# else
2991# ifdef FFLUSH_ALL
2992# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2993# else
c5be433b 2994# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2995# endif
66fe083f 2996# endif
45bc9206
GS		 2997#endif
2998
7766f137
GS		 2999#ifndef PERL_WAIT_FOR_CHILDREN
3000# define PERL_WAIT_FOR_CHILDREN NOOP
3001#endif
3002
ba869deb 3003/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3004#ifndef PERL_SET_INTERP
3005# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3006#endif
3007
3008#ifndef PERL_GET_INTERP
3009# define PERL_GET_INTERP (PL_curinterp)
3010#endif
3011
54aff467 3012#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3013# ifdef MULTIPLICITY
ba869deb 3014# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3015# endif
ba869deb
GS		 3016# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3017#endif
3018
8896765a
RB		 3019/*
3020 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3021 All that is required is that the perl source does not
8896765a
RB		 3022 use "%-p" or "%-<number>p" or "%<number>p" formats.
3023 These formats will still work in perl code.
3024 See comments in sv.c for futher details.
3025
3026 -DvdNUMBER=<number> can be used to redefine VDf
3027
3028 -DvdNUMBER=0 reverts VDf to "vd", as in perl5.8.7,
3029 which works properly but gives compiler warnings
3030
3031 Robin Barker 2005-07-14
0dbb1585 3032*/
8896765a
RB		 3033
3034#ifndef SVf_
63ce7bf0 3035# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3036#endif
3037
8896765a 3038#ifndef SVf
104abab4 3039# define SVf "-p"
d2560b70
RB		 3040#endif
3041
014ead4b 3042#ifndef SVf32
8896765a 3043# define SVf32 SVf_(32)
014ead4b
RB		 3044#endif
3045
3046#ifndef SVf256
8896765a
RB		 3047# define SVf256 SVf_(256)
3048#endif
3049
3050#ifndef vdNUMBER
3051# define vdNUMBER 1
3052#endif
3053
3054#ifndef VDf
3055# if vdNUMBER
63ce7bf0 3056# define VDf STRINGIFY(vdNUMBER) "p"
8896765a
RB		 3057# else
3058# define VDf "vd"
3059# endif
014ead4b
RB		 3060#endif
3061
f5992bc4 3062/* not used; but needed for backward compatibilty with XS code? - RMB */
014ead4b
RB		 3063#ifndef UVf
3064# define UVf UVuf
d2560b70
RB		 3065#endif
3066
0dbb1585
AL		 3067#ifdef HASATTRIBUTE_FORMAT
3068# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3069#endif
3070#ifdef HASATTRIBUTE_MALLOC
77785eea 3071# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3072#endif
0dbb1585 3073#ifdef HASATTRIBUTE_NONNULL
abb2c242 3074# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3075#endif
0dbb1585 3076#ifdef HASATTRIBUTE_NORETURN
abb2c242 3077# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3078#endif
0dbb1585 3079#ifdef HASATTRIBUTE_PURE
abb2c242 3080# define __attribute__pure__ __attribute__((pure))
f22be1b8 3081#endif
0dbb1585
AL		 3082#ifdef HASATTRIBUTE_UNUSED
3083# define __attribute__unused__ __attribute__((unused))
3084#endif
3085#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3086# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3087#endif
3088
0dbb1585
AL		 3089/* If we haven't defined the attributes yet, define them to blank. */
3090#ifndef __attribute__format__
3091# define __attribute__format__(x,y,z)
3092#endif
f22be1b8 3093#ifndef __attribute__malloc__
abb2c242 3094# define __attribute__malloc__
f22be1b8
JH		 3095#endif
3096#ifndef __attribute__nonnull__
abb2c242 3097# define __attribute__nonnull__(a)
f22be1b8
JH		 3098#endif
3099#ifndef __attribute__noreturn__
abb2c242 3100# define __attribute__noreturn__
f22be1b8
JH		 3101#endif
3102#ifndef __attribute__pure__
abb2c242 3103# define __attribute__pure__
f22be1b8 3104#endif
0dbb1585
AL		 3105#ifndef __attribute__unused__
3106# define __attribute__unused__
3107#endif
f22be1b8 3108#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3109# define __attribute__warn_unused_result__
3110#endif
3111
0dbb1585
AL		 3112/* For functions that are marked as __attribute__noreturn__, it's not
3113 appropriate to call return. In either case, include the lint directive.
3114 */
3115#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3116# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3117#else
b37c2d43 3118# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH		 3119#endif
3120
cdfeb707
RB		 3121/* Some OS warn on NULL format to printf */
3122#ifdef PRINTF_FORMAT_NULL_OK
3123# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3124#else
3125# define __attribute__format__null_ok__(x,y,z)
3126#endif
3127
635aebb7 3128#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3129# define EXPECT(expr,val) __builtin_expect(expr,val)
3130#else
3131# define EXPECT(expr,val) (expr)
3132#endif
3133#define LIKELY(cond) EXPECT(cond,1)
3134#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3135#ifdef HAS_BUILTIN_CHOOSE_EXPR
3136/* placeholder */
3137#endif
b37c2d43 3138
3fc1aec6 3139/* Some unistd.h's give a prototype for pause() even though
3140 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3141 below to be rejected by the compiler. Sigh.
3fc1aec6 3142*/
3143#ifdef HAS_PAUSE
3144#define Pause pause
3145#else
3146#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3147#endif
3148
3149#ifndef IOCPARM_LEN
3150# ifdef IOCPARM_MASK
61f1c44b 3151 /* on BSDish systems we're safe */
748a9306
LW		 3152# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3153# else
61f1c44b 3154# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3155 /* on Linux systems we're safe; except when we're not [perl #38223] */
3156# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3157# else
748a9306 3158 /* otherwise guess at what's safe */
61f1c44b
JVD		 3159# define IOCPARM_LEN(x) 256
3160# endif
748a9306 3161# endif
a0d0e21e
LW		 3162#endif
3163
1761cee5 3164#if defined(__CYGWIN__)
521e0776
GS		 3165/* USEMYBINMODE
3166 * This symbol, if defined, indicates that the program should
16fe6d59 3167 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3168 * that a file is in "binary" mode -- that is, that no translation
3169 * of bytes occurs on read or write operations.
3170 */
36894f0b 3171# define USEMYBINMODE /**/
77a40698 3172# include <io.h> /* for setmode() prototype */
16fe6d59 3173# define my_binmode(fp, iotype, mode) \
77a40698 3174 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3175#endif
3176
88d10794
JH		 3177#ifdef __CYGWIN__
3178void init_os_extras(void);
3179#endif
3180
cea2e8a9
GS		 3181#ifdef UNION_ANY_DEFINITION
3182UNION_ANY_DEFINITION;
3183#else
3184union any {
3185 void* any_ptr;
3186 I32 any_i32;
3187 IV any_iv;
3188 long any_long;
9febdf04 3189 bool any_bool;
c76ac1ee 3190 void (*any_dptr) (void*);
acfe0abc 3191 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3192};
3193#endif
3194
acfe0abc 3195typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3196
3197#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
3198#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
3199#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
3200
c5078cac
JH		 3201#if defined(_AIX) && !defined(_AIX43)
3202#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3203/* We cannot include <crypt.h> to get the struct crypt_data
3204 * because of setkey prototype problems when threading */
3205typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3206 /* From OSF, Not needed in AIX
3207 char C[28], D[28];
3208 */
3209 char E[48];
3210 char KS[16][48];
3211 char block[66];
3212 char iobuf[16];
3213} CRYPTD;
3214#endif /* threading */
3215#endif /* AIX */
3216
af8b425d 3217#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 3218# include "iperlsys.h"
3219#endif
504f80c1 3220
d10dc2ae
JH		 3221/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3222 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3223 * defined by Configure, despite their names being similar to the
3224 * other defines like USE_ITHREADS. Configure in fact knows nothing
3225 * about the randomised hashes. Therefore to enable/disable the hash
3226 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3227#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3228# define USE_HASH_SEED
504f80c1
JH		 3229#endif
3230
598921a7
NC		 3231/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3232 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3233 * it's not really needed.
3234 */
3235#if defined(WIN32)
3236# define YYTOKENTYPE
3237#endif
3238#include "perly.h"
3239
3240#ifdef PERL_MAD
3241struct nexttoken {
3242 YYSTYPE next_val; /* value of next token, if any */
3243 I32 next_type; /* type of next token */
3244 MADPROP *next_mad; /* everything else about that token */
3245};
3246#endif
3247
378cc40b 3248#include "regexp.h"
79072805 3249#include "sv.h"
378cc40b 3250#include "util.h"
8d063cd8 3251#include "form.h"
79072805 3252#include "gv.h"
dd2155a4 3253#include "pad.h"
79072805 3254#include "cv.h"
abdd5c84 3255#include "opnames.h"
79072805 3256#include "op.h"
b3ca2e83 3257#include "hv.h"
79072805
LW		 3258#include "cop.h"
3259#include "av.h"
79072805
LW		 3260#include "mg.h"
3261#include "scope.h"
4438c4b7 3262#include "warnings.h"
a0ed51b3 3263#include "utf8.h"
8d063cd8 3264
7fae4e64
GS		 3265
3266typedef struct _sublex_info SUBLEXINFO;
3267struct _sublex_info {
3268 I32 super_state; /* lexer state to save */
3269 I32 sub_inwhat; /* "lex_inwhat" to use */
3270 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 3271 char *super_bufptr; /* PL_bufptr that was */
3272 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 3273};
3274
455ece5e 3275typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3276
2c2d71f5 3277struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3278struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3279
6f51351d
NC		 3280/* Keep next first in this structure, because sv_free_arenas take
3281 advantage of this to share code between the pte arenas and the SV
3282 body arenas */
5f7fde29
GS		 3283struct ptr_tbl_ent {
3284 struct ptr_tbl_ent* next;
53c1dcc0 3285 const void* oldval;
5f7fde29 3286 void* newval;
d18c6117
GS		 3287};
3288
5f7fde29
GS		 3289struct ptr_tbl {
3290 struct ptr_tbl_ent** tbl_ary;
3291 UV tbl_max;
3292 UV tbl_items;
d18c6117
GS		 3293};
3294
450a55e4 3295#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3296# define I286
3297#endif
3298
fe14fcc3
LW		 3299#if defined(htonl) && !defined(HAS_HTONL)
3300#define HAS_HTONL
ae986130 3301#endif
fe14fcc3
LW		 3302#if defined(htons) && !defined(HAS_HTONS)
3303#define HAS_HTONS
ae986130 3304#endif
fe14fcc3
LW		 3305#if defined(ntohl) && !defined(HAS_NTOHL)
3306#define HAS_NTOHL
ae986130 3307#endif
fe14fcc3
LW		 3308#if defined(ntohs) && !defined(HAS_NTOHS)
3309#define HAS_NTOHS
ae986130 3310#endif
fe14fcc3 3311#ifndef HAS_HTONL
d9d8d8de 3312#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3313#define HAS_HTONS
3314#define HAS_HTONL
3315#define HAS_NTOHS
3316#define HAS_NTOHL
a687059c
LW		 3317#define MYSWAP
3318#define htons my_swap
3319#define htonl my_htonl
3320#define ntohs my_swap
3321#define ntohl my_ntohl
3322#endif
3323#else
d9d8d8de 3324#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3325#undef HAS_HTONS
3326#undef HAS_HTONL
3327#undef HAS_NTOHS
3328#undef HAS_NTOHL
a687059c
LW		 3329#endif
3330#endif
3331
988174c1
LW		 3332/*
3333 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3334 * -DWS
3335 */
3336#if BYTEORDER != 0x1234
3337# define HAS_VTOHL
3338# define HAS_VTOHS
3339# define HAS_HTOVL
3340# define HAS_HTOVS
c67712b2 3341# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3342# define vtohl(x) ((((x)&0xFF)<<24) \
3343 +(((x)>>24)&0xFF) \
3344 +(((x)&0x0000FF00)<<8) \
3345 +(((x)&0x00FF0000)>>8) )
3346# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3347# define htovl(x) vtohl(x)
3348# define htovs(x) vtohs(x)
3349# endif
3350 /* otherwise default to functions in util.c */
2a8c3029 3351#ifndef htovs
c623ac67
GS		 3352short htovs(short n);
3353short vtohs(short n);
3354long htovl(long n);
3355long vtohl(long n);
988174c1 3356#endif
2a8c3029 3357#endif
988174c1 3358
3bb7c1b4
JH		 3359/* *MAX Plus 1. A floating point value.
3360 Hopefully expressed in a way that dodgy floating point can't mess up.
3361 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3362 is added to it
3363 May find that some broken compiler will want the value cast to I32.
3364 [after the shift, as signed >> may not be as secure as unsigned >>]
3365*/
3366#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3367#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3368/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3369 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3370 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3371*/
3372#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3373
3bb7c1b4
JH		 3374#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3375#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3376#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3377
3378/* This may look like unnecessary jumping through hoops, but converting
3379 out of range floating point values to integers *is* undefined behaviour,
3380 and it is starting to bite.
3381*/
3382#ifndef CAST_INLINE
65202027 3383#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3384#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3385#define I_V(what) (cast_iv((NV)(what)))
3386#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3387#else
3388#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3389 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3390 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3391#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3392 : ((n) < U32_MAX_P1 ? (U32) (n) \
3393 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3394#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3395 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3396 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3397#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3398 : ((n) < UV_MAX_P1 ? (UV) (n) \
3399 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3400#endif
3401
3402#define U_S(what) ((U16)U_32(what))
3403#define U_I(what) ((unsigned int)U_32(what))
3404#define U_L(what) U_32(what)
ed6116ce 3405
2d4389e4
JH		 3406/* These do not care about the fractional part, only about the range. */
3407#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3408#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3409
25da4f38
IZ		 3410/* Used with UV/IV arguments: */
3411 /* XXXX: need to speed it up */
3412#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3413#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3414
352d5a3a
LW		 3415#ifndef MAXSYSFD
3416# define MAXSYSFD 2
3417#endif
ee0007ab 3418
79072805 3419#ifndef __cplusplus
27da23d5 3420#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3421Uid_t getuid (void);
3422Uid_t geteuid (void);
3423Gid_t getgid (void);
3424Gid_t getegid (void);
79072805 3425#endif
e1caacb4 3426#endif
8d063cd8 3427
0c30d9ec 3428#ifndef Perl_debug_log
bf49b057
GS		 3429# define Perl_debug_log PerlIO_stderr()
3430#endif
3431
3432#ifndef Perl_error_log
3433# define Perl_error_log (PL_stderrgv \
6b78add2 3434 && isGV(PL_stderrgv) \
01bb7c6d 3435 && GvIOp(PL_stderrgv) \
42de951c 3436 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3437 ? IoOFP(GvIOp(PL_stderrgv)) \
3438 : PerlIO_stderr())
0c30d9ec 3439#endif
3967c732 3440
aea4f609
DM		 3441
3442#define DEBUG_p_FLAG 0x00000001 /* 1 */
3443#define DEBUG_s_FLAG 0x00000002 /* 2 */
3444#define DEBUG_l_FLAG 0x00000004 /* 4 */
3445#define DEBUG_t_FLAG 0x00000008 /* 8 */
3446#define DEBUG_o_FLAG 0x00000010 /* 16 */
3447#define DEBUG_c_FLAG 0x00000020 /* 32 */
3448#define DEBUG_P_FLAG 0x00000040 /* 64 */
3449#define DEBUG_m_FLAG 0x00000080 /* 128 */
3450#define DEBUG_f_FLAG 0x00000100 /* 256 */
3451#define DEBUG_r_FLAG 0x00000200 /* 512 */
3452#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3453#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3454/* U is reserved for Unofficial, exploratory hacking */
3455#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3456#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3457#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3458#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3459#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3460#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3461#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3462#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3463#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3464#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3465#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3466#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3467#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3468
3469#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3470#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3471 that something was done? */
aea4f609 3472
bd16a5f0
IZ		 3473# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3474# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3475# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3476# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3477# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3478# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3479# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3480# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3481# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3482# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3483# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3484# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3485# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3486# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3487# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3488# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3489# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3490# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3491# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3492# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3493# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3494# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3495# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3496# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3497# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3498
3967c732 3499#ifdef DEBUGGING
aea4f609 3500
bd16a5f0
IZ		 3501# define DEBUG_p_TEST DEBUG_p_TEST_
3502# define DEBUG_s_TEST DEBUG_s_TEST_
3503# define DEBUG_l_TEST DEBUG_l_TEST_
3504# define DEBUG_t_TEST DEBUG_t_TEST_
3505# define DEBUG_o_TEST DEBUG_o_TEST_
3506# define DEBUG_c_TEST DEBUG_c_TEST_
3507# define DEBUG_P_TEST DEBUG_P_TEST_
3508# define DEBUG_m_TEST DEBUG_m_TEST_
3509# define DEBUG_f_TEST DEBUG_f_TEST_
3510# define DEBUG_r_TEST DEBUG_r_TEST_
3511# define DEBUG_x_TEST DEBUG_x_TEST_
3512# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3513# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3514# define DEBUG_H_TEST DEBUG_H_TEST_
3515# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 3516# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 3517# define DEBUG_D_TEST DEBUG_D_TEST_
3518# define DEBUG_S_TEST DEBUG_S_TEST_
3519# define DEBUG_T_TEST DEBUG_T_TEST_
3520# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3521# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3522# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3523# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3524# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3525# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3526
488b0c7a
JH		 3527# define PERL_DEB(a) a
3528# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3529# define DEBUG_p(a) if (DEBUG_p_TEST) a
3530# define DEBUG_s(a) if (DEBUG_s_TEST) a
3531# define DEBUG_l(a) if (DEBUG_l_TEST) a
3532# define DEBUG_t(a) if (DEBUG_t_TEST) a
3533# define DEBUG_o(a) if (DEBUG_o_TEST) a
3534# define DEBUG_c(a) if (DEBUG_c_TEST) a
3535# define DEBUG_P(a) if (DEBUG_P_TEST) a
3536
969058bb
VK		 3537 /* Temporarily turn off memory debugging in case the a
3538 * does memory allocation, either directly or indirectly. */
acfe0abc 3539# define DEBUG_m(a) \
0b250b9e 3540 STMT_START { \
aea4f609 3541 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3542 } STMT_END
aea4f609 3543
5f80b19c
AMS		 3544# define DEBUG__(t, a) \
3545 STMT_START { \
3546 if (t) STMT_START {a;} STMT_END; \
3547 } STMT_END
3548
3549# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3550#ifndef PERL_EXT_RE_BUILD
5f80b19c 3551# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3552#else
3553# define DEBUG_r(a) STMT_START {a;} STMT_END
3554#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3555# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3556# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3557# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3558# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3559# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 3560# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3561# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3562
3db8f154 3563# define DEBUG_S(a)
aea4f609 3564
5f80b19c
AMS		 3565# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3566# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3567# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3568# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3569# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3570# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 3571
3572#else /* DEBUGGING */
3573
3574# define DEBUG_p_TEST (0)
3575# define DEBUG_s_TEST (0)
3576# define DEBUG_l_TEST (0)
3577# define DEBUG_t_TEST (0)
3578# define DEBUG_o_TEST (0)
3579# define DEBUG_c_TEST (0)
3580# define DEBUG_P_TEST (0)
3581# define DEBUG_m_TEST (0)
3582# define DEBUG_f_TEST (0)
3583# define DEBUG_r_TEST (0)
3584# define DEBUG_x_TEST (0)
3585# define DEBUG_u_TEST (0)
88d2d28a 3586# define DEBUG_U_TEST (0)
aea4f609
DM		 3587# define DEBUG_H_TEST (0)
3588# define DEBUG_X_TEST (0)
dd2155a4 3589# define DEBUG_Xv_TEST (0)
aea4f609
DM		 3590# define DEBUG_D_TEST (0)
3591# define DEBUG_S_TEST (0)
3592# define DEBUG_T_TEST (0)
04932ac8 3593# define DEBUG_R_TEST (0)
1045810a 3594# define DEBUG_J_TEST (0)
d6721266 3595# define DEBUG_v_TEST (0)
46187eeb 3596# define DEBUG_C_TEST (0)
ecae49c0
NC		 3597# define DEBUG_A_TEST (0)
3598# define DEBUG_q_TEST (0)
aea4f609 3599
488b0c7a
JH		 3600# define PERL_DEB(a)
3601# define PERL_DEBUG(a)
aea4f609
DM		 3602# define DEBUG_p(a)
3603# define DEBUG_s(a)
3604# define DEBUG_l(a)
3605# define DEBUG_t(a)
3606# define DEBUG_o(a)
3607# define DEBUG_c(a)
3608# define DEBUG_P(a)
3609# define DEBUG_m(a)
3610# define DEBUG_f(a)
3611# define DEBUG_r(a)
3612# define DEBUG_x(a)
3613# define DEBUG_u(a)
88d2d28a 3614# define DEBUG_U(a)
aea4f609
DM		 3615# define DEBUG_H(a)
3616# define DEBUG_X(a)
dd2155a4 3617# define DEBUG_Xv(a)
aea4f609
DM		 3618# define DEBUG_D(a)
3619# define DEBUG_S(a)
3620# define DEBUG_T(a)
04932ac8 3621# define DEBUG_R(a)
d6721266 3622# define DEBUG_v(a)
46187eeb 3623# define DEBUG_C(a)
ecae49c0
NC		 3624# define DEBUG_A(a)
3625# define DEBUG_q(a)
aea4f609
DM		 3626#endif /* DEBUGGING */
3627
3628
b4ab917c
DM		 3629#define DEBUG_SCOPE(where) \
3630 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3631 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM		 3632
3633
3634
3635
d1be9408 3636/* These constants should be used in preference to raw characters
14befaf4
DM		 3637 * when using magic. Note that some perl guts still assume
3638 * certain character properties of these constants, namely that
3639 * isUPPER() and toLOWER() may do useful mappings.
3640 *
3641 * Update the magic_names table in dump.c when adding/amending these
3642 */
3643
3644#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3645#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3646#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3647#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3648#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
81714fb9
YO		 3649#define PERL_MAGIC_regdata_names '+' /* Regex named capture buffer hash
3650 (%+ support) */
14befaf4
DM		 3651#define PERL_MAGIC_regdata 'D' /* Regex match position data
3652 (@+ and @- vars) */
3653#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3654#define PERL_MAGIC_env 'E' /* %ENV hash */
3655#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3656#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3657#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
b3ca2e83
NC		 3658#define PERL_MAGIC_hints 'H' /* %^H hash */
3659#define PERL_MAGIC_hintselem 'h' /* %^H hash element */
14befaf4
DM		 3660#define PERL_MAGIC_isa 'I' /* @ISA array */
3661#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3662#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3663#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3664#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3665#define PERL_MAGIC_mutex 'm' /* for lock op */
3666#define PERL_MAGIC_shared 'N' /* Shared between threads */
3667#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3668#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3669#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3670#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3671#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3672#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3673#define PERL_MAGIC_sig 'S' /* %SIG hash */
3674#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3675#define PERL_MAGIC_taint 't' /* Taintedness */
3676#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3677#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3678#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3679#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3680#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3681#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3682#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3683 smart parameter vivification */
14befaf4
DM		 3684#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3685#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3686#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3687#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3688#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3689#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM		 3690#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3691
3692
a6e633de 3693#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC		 3694#define assert(what) PERL_DEB( \
3695 ((what) ? ((void) 0) : \
67eb4d30 3696 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3697 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3698 (void) 0)))
a446a88f 3699#endif
8d063cd8 3700
450a55e4 3701struct ufuncs {
24f81a43
DM		 3702 I32 (*uf_val)(pTHX_ IV, SV*);
3703 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3704 IV uf_index;
450a55e4
LW		 3705};
3706
14befaf4 3707/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3708 * XS code wanting to be backward compatible can do something
3709 * like the following:
c745e42c 3710
24f81a43 3711#ifndef PERL_MG_UFUNC
24f81a43
DM		 3712#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3713#endif
3714
3715static PERL_MG_UFUNC(foo_get, index, val)
3716{
3717 sv_setsv(val, ...);
3718 return TRUE;
3719}
3720
3721-- Doug MacEachern
3722
3723*/
3724
fc9c74e6 3725#ifndef PERL_MG_UFUNC
24f81a43 3726#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3727#endif
24f81a43 3728
fe14fcc3 3729/* Fix these up for __STDC__ */
68dc0745 3730#ifndef DONT_DECLARE_STD
20ce7b12 3731char *mktemp (char*);
37bd1396 3732#ifndef atof
20ce7b12 3733double atof (const char*);
a0d0e21e 3734#endif
37bd1396 3735#endif
79072805 3736
352d5a3a 3737#ifndef STANDARD_C
fe14fcc3 3738/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3739Time_t time();
8d063cd8 3740struct tm *gmtime(), *localtime();
092bebab 3741#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3742char *(strchr)(), *(strrchr)();
3743char *(strcpy)(), *(strcat)();
3744#else
93a17b20 3745char *strchr(), *strrchr();
378cc40b 3746char *strcpy(), *strcat();
9d116dd7 3747#endif
352d5a3a 3748#endif /* ! STANDARD_C */
8d063cd8 3749
79072805
LW		 3750
3751#ifdef I_MATH
3752# include <math.h>
3753#else
32f822de 3754START_EXTERN_C
20ce7b12
GS		 3755 double exp (double);
3756 double log (double);
3757 double log10 (double);
3758 double sqrt (double);
3759 double frexp (double,int*);
3760 double ldexp (double,int);
3761 double modf (double,double*);
3762 double sin (double);
3763 double cos (double);
3764 double atan2 (double,double);
3765 double pow (double,double);
32f822de 3766END_EXTERN_C
79072805
LW		 3767#endif
3768
aa8b85de
JH		 3769#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3770# define NV_INF LDBL_INFINITY
3771#endif
3772#if !defined(NV_INF) && defined(DBL_INFINITY)
3773# define NV_INF (NV)DBL_INFINITY
3774#endif
3775#if !defined(NV_INF) && defined(INFINITY)
3776# define NV_INF (NV)INFINITY
3777#endif
3778#if !defined(NV_INF) && defined(INF)
3779# define NV_INF (NV)INF
3780#endif
3781#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3782# define NV_INF (NV)HUGE_VALL
3783#endif
3784#if !defined(NV_INF) && defined(HUGE_VAL)
3785# define NV_INF (NV)HUGE_VAL
3786#endif
3787
3788#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3789# if !defined(NV_NAN) && defined(LDBL_NAN)
3790# define NV_NAN LDBL_NAN
3791# endif
3792# if !defined(NV_NAN) && defined(LDBL_QNAN)
3793# define NV_NAN LDBL_QNAN
3794# endif
3795# if !defined(NV_NAN) && defined(LDBL_SNAN)
3796# define NV_NAN LDBL_SNAN
3797# endif
3798#endif
3799#if !defined(NV_NAN) && defined(DBL_NAN)
3800# define NV_NAN (NV)DBL_NAN
3801#endif
3802#if !defined(NV_NAN) && defined(DBL_QNAN)
3803# define NV_NAN (NV)DBL_QNAN
3804#endif
3805#if !defined(NV_NAN) && defined(DBL_SNAN)
3806# define NV_NAN (NV)DBL_SNAN
3807#endif
3808#if !defined(NV_NAN) && defined(QNAN)
3809# define NV_NAN (NV)QNAN
3810#endif
3811#if !defined(NV_NAN) && defined(SNAN)
3812# define NV_NAN (NV)SNAN
3813#endif
3814#if !defined(NV_NAN) && defined(NAN)
3815# define NV_NAN (NV)NAN
3816#endif
3817
a0d0e21e 3818#ifndef __cplusplus
8f1f23e8 3819# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3820char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3821# else
fd8cd3a3 3822# if !defined(WIN32) && !defined(VMS)
10bc17b6 3823#ifndef crypt
20ce7b12 3824char *crypt (const char*, const char*);
10bc17b6 3825#endif
5014db98 3826# endif /* !WIN32 */
8f1f23e8 3827# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3828# ifndef DONT_DECLARE_STD
3829# ifndef getenv
20ce7b12 3830char *getenv (const char*);
26618a56 3831# endif /* !getenv */
28ca6303 3832# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3833# ifdef _FILE_OFFSET_BITS
28ca6303 3834# if _FILE_OFFSET_BITS == 64
20ce7b12 3835Off_t lseek (int,Off_t,int);
0fc67700
JH		 3836# endif
3837# endif
bf0c440f 3838# endif
26618a56 3839# endif /* !DONT_DECLARE_STD */
10bc17b6 3840#ifndef getlogin
20ce7b12 3841char *getlogin (void);
10bc17b6 3842#endif
26618a56 3843#endif /* !__cplusplus */
79072805 3844
7a7fd8e0
JM		 3845/* Fixme on VMS. This needs to be a run-time, not build time options */
3846/* Also rename() is affected by this */
16d20bd9 3847#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3848#define UNLINK unlnk
083639a9 3849I32 unlnk (pTHX_ const char*);
8d063cd8 3850#else
80252599 3851#define UNLINK PerlLIO_unlink
8d063cd8 3852#endif
a687059c 3853
fa0a29af
JH		 3854/* some versions of glibc are missing the setresuid() proto */
3855#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3856int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3857#endif
fa0a29af
JH		 3858/* some versions of glibc are missing the setresgid() proto */
3859#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3860int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3861#endif
3862
fe14fcc3 3863#ifndef HAS_SETREUID
85e6fe83
LW		 3864# ifdef HAS_SETRESUID
3865# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3866# define HAS_SETREUID
3867# endif
a687059c 3868#endif
fe14fcc3 3869#ifndef HAS_SETREGID
85e6fe83
LW		 3870# ifdef HAS_SETRESGID
3871# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3872# define HAS_SETREGID
3873# endif
a687059c 3874#endif
ee0007ab 3875
d543acb6 3876/* Sighandler_t defined in iperlsys.h */
ff68c719 3877
3878#ifdef HAS_SIGACTION
3879typedef struct sigaction Sigsave_t;
3880#else
3881typedef Sighandler_t Sigsave_t;
3882#endif
3883
ee0007ab
LW		 3884#define SCAN_DEF 0
3885#define SCAN_TR 1
3886#define SCAN_REPL 2
79072805
LW		 3887
3888#ifdef DEBUGGING
4633a7c4 3889# ifndef register
a0d0e21e
LW		 3890# define register
3891# endif
cea2e8a9 3892# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3893#else
cea2e8a9 3894# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 3895#endif
3896
6cb8cb21 3897#ifdef USE_PERLIO
2b64ef79 3898EXTERN_C void PerlIO_teardown(pTHX);
2f44961c 3899# ifdef USE_ITHREADS
6cb8cb21
RGS		 3900# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
3901# define PERLIO_TERM \
3902 STMT_START { \
3903 PerlIO_teardown(aTHX); \
3904 MUTEX_DESTROY(&PL_perlio_mutex);\
3905 } STMT_END
3906# else
3907# define PERLIO_INIT
3908# define PERLIO_TERM PerlIO_teardown(aTHX)
3909# endif
6b29934b
NC		 3910#else
3911# define PERLIO_INIT
3912# define PERLIO_TERM
6cb8cb21
RGS		 3913#endif
3914
18f739ee 3915#ifdef MYMALLOC
772fe5b3 3916# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 3917# define MALLOC_INIT \
3918 STMT_START { \
3919 PL_malloc_mutex = NULL; \
3920 MUTEX_INIT(&PL_malloc_mutex); \
3921 } STMT_END
3922# define MALLOC_TERM \
3923 STMT_START { \
3924 perl_mutex tmp = PL_malloc_mutex; \
3925 PL_malloc_mutex = NULL; \
3926 MUTEX_DESTROY(&tmp); \
3927 } STMT_END
3928# else
3929# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3930# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
3931# endif
18f739ee
IZ		 3932#else
3933# define MALLOC_INIT
3934# define MALLOC_TERM
3935#endif
3936
cd1541b2 3937#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 3938
3939struct perl_memory_debug_header;
cd1541b2
NC		 3940struct perl_memory_debug_header {
3941 tTHX interpreter;
3942# ifdef PERL_POISON
3943 MEM_SIZE size;
cd1541b2 3944# endif
7cb608b5
NC		 3945 struct perl_memory_debug_header *prev;
3946 struct perl_memory_debug_header *next;
cd1541b2
NC		 3947};
3948
3949# define sTHX (sizeof(struct perl_memory_debug_header) + \
3950 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
3951 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
3952
3953#endif
3954
7cb608b5
NC		 3955#ifdef PERL_TRACK_MEMPOOL
3956# define INIT_TRACK_MEMPOOL(header, interp) \
3957 STMT_START { \
3958 (header).interpreter = (interp); \
3959 (header).prev = (header).next = &(header); \
3960 } STMT_END
3961# else
3962# define INIT_TRACK_MEMPOOL(header, interp)
3963#endif
3964
b6d9d515 3965
0cb96387 3966typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 3967typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 3968typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 3969typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 3970
940cb80d 3971/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 3972#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 3973
8f1f23e8
W		 3974/* NeXT has problems with crt0.o globals */
3975#if defined(__DYNAMIC__) && \
6239f2da 3976 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 3977# if defined(NeXT) || defined(__NeXT)
3978# include <mach-o/dyld.h>
3979# define environ (*environ_pointer)
0c30d9ec 3980EXT char *** environ_pointer;
8f1f23e8 3981# else
6239f2da 3982# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 3983# include <crt_externs.h> /* for the env array */
3984# define environ (*_NSGetEnviron())
3985# endif
0c30d9ec 3986# endif
8f1f23e8
W		 3987#else
3988 /* VMS and some other platforms don't use the environ array */
13b6e58c 3989# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 3990# if !defined(DONT_DECLARE_STD) || \
3991 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
3992 defined(__sgi) || \
d460ef45 3993 defined(__DGUX)
8f1f23e8 3994extern char ** environ; /* environment variables supplied via exec */
a6c40364 3995# endif
8f1f23e8
W		 3996# endif
3997#endif
79072805 3998
73c4f7a1
GS		 3999START_EXTERN_C
4000
79072805 4001/* handy constants */
22c35a8c 4002EXTCONST char PL_warn_uninit[]
29489e7c 4003 INIT("Use of uninitialized value%s%s%s");
22c35a8c 4004EXTCONST char PL_warn_nosemi[]
463ee0b2 4005 INIT("Semicolon seems to be missing");
22c35a8c 4006EXTCONST char PL_warn_reserved[]
463ee0b2 4007 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4008EXTCONST char PL_warn_nl[]
93a17b20 4009 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4010EXTCONST char PL_no_wrongref[]
a0d0e21e 4011 INIT("Can't use %s ref as %s ref");
22c35a8c 4012EXTCONST char PL_no_symref[]
748a9306 4013 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 4014EXTCONST char PL_no_symref_sv[]
014ead4b 4015 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 4016EXTCONST char PL_no_usym[]
8990e307 4017 INIT("Can't use an undefined value as %s reference");
22c35a8c 4018EXTCONST char PL_no_aelem[]
93a17b20 4019 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4020EXTCONST char PL_no_helem_sv[]
d04ff51e 4021 INIT("Modification of non-creatable hash value attempted, subscript \"%"SVf"\"");
22c35a8c 4022EXTCONST char PL_no_modify[]
93a17b20 4023 INIT("Modification of a read-only value attempted");
22c35a8c 4024EXTCONST char PL_no_mem[]
93a17b20 4025 INIT("Out of memory!\n");
22c35a8c 4026EXTCONST char PL_no_security[]
463ee0b2 4027 INIT("Insecure dependency in %s%s");
22c35a8c 4028EXTCONST char PL_no_sock_func[]
93a17b20 4029 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4030EXTCONST char PL_no_dir_func[]
93a17b20 4031 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4032EXTCONST char PL_no_func[]
93a17b20 4033 INIT("The %s function is unimplemented");
22c35a8c 4034EXTCONST char PL_no_myglob[]
952306ac 4035 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 4036EXTCONST char PL_no_localize_ref[]
4037 INIT("Can't localize through a reference");
27d5b266
JH		 4038EXTCONST char PL_memory_wrap[]
4039 INIT("panic: memory wrap");
93a17b20 4040
7575fa06 4041EXTCONST char PL_uuemap[65]
80252599
GS		 4042 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4043
4044
79072805 4045#ifdef DOINIT
27da23d5
JH		 4046EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4047EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4048#else
27da23d5
JH		 4049EXTCONST char* const PL_sig_name[];
4050EXTCONST int PL_sig_num[];
79072805
LW		 4051#endif
4052
3bd709b1 4053/* fast conversion and case folding tables */
bbce6d69 4054
79072805 4055#ifdef DOINIT
9d116dd7 4056#ifdef EBCDIC
27da23d5 4057EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 4058 0, 1, 2, 3, 4, 5, 6, 7,
4059 8, 9, 10, 11, 12, 13, 14, 15,
4060 16, 17, 18, 19, 20, 21, 22, 23,
4061 24, 25, 26, 27, 28, 29, 30, 31,
4062 32, 33, 34, 35, 36, 37, 38, 39,
4063 40, 41, 42, 43, 44, 45, 46, 47,
4064 48, 49, 50, 51, 52, 53, 54, 55,
4065 56, 57, 58, 59, 60, 61, 62, 63,
4066 64, 65, 66, 67, 68, 69, 70, 71,
4067 72, 73, 74, 75, 76, 77, 78, 79,
4068 80, 81, 82, 83, 84, 85, 86, 87,
4069 88, 89, 90, 91, 92, 93, 94, 95,
4070 96, 97, 98, 99, 100, 101, 102, 103,
4071 104, 105, 106, 107, 108, 109, 110, 111,
4072 112, 113, 114, 115, 116, 117, 118, 119,
4073 120, 121, 122, 123, 124, 125, 126, 127,
4074 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4075 'H', 'I', 138, 139, 140, 141, 142, 143,
4076 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
4077 'Q', 'R', 154, 155, 156, 157, 158, 159,
4078 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
4079 'Y', 'Z', 170, 171, 172, 173, 174, 175,
4080 176, 177, 178, 179, 180, 181, 182, 183,
4081 184, 185, 186, 187, 188, 189, 190, 191,
4082 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4083 'h', 'i', 202, 203, 204, 205, 206, 207,
4084 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
4085 'q', 'r', 218, 219, 220, 221, 222, 223,
4086 224, 225, 's', 't', 'u', 'v', 'w', 'x',
4087 'y', 'z', 234, 235, 236, 237, 238, 239,
4088 240, 241, 242, 243, 244, 245, 246, 247,
4089 248, 249, 250, 251, 252, 253, 254, 255
4090};
4091#else /* ascii rather than ebcdic */
22c35a8c 4092EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4093 0, 1, 2, 3, 4, 5, 6, 7,
4094 8, 9, 10, 11, 12, 13, 14, 15,
4095 16, 17, 18, 19, 20, 21, 22, 23,
4096 24, 25, 26, 27, 28, 29, 30, 31,
4097 32, 33, 34, 35, 36, 37, 38, 39,
4098 40, 41, 42, 43, 44, 45, 46, 47,
4099 48, 49, 50, 51, 52, 53, 54, 55,
4100 56, 57, 58, 59, 60, 61, 62, 63,
4101 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4102 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4103 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4104 'x', 'y', 'z', 91, 92, 93, 94, 95,
4105 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4106 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4107 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4108 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4109 128, 129, 130, 131, 132, 133, 134, 135,
4110 136, 137, 138, 139, 140, 141, 142, 143,
4111 144, 145, 146, 147, 148, 149, 150, 151,
4112 152, 153, 154, 155, 156, 157, 158, 159,
4113 160, 161, 162, 163, 164, 165, 166, 167,
4114 168, 169, 170, 171, 172, 173, 174, 175,
4115 176, 177, 178, 179, 180, 181, 182, 183,
4116 184, 185, 186, 187, 188, 189, 190, 191,
4117 192, 193, 194, 195, 196, 197, 198, 199,
4118 200, 201, 202, 203, 204, 205, 206, 207,
4119 208, 209, 210, 211, 212, 213, 214, 215,
4120 216, 217, 218, 219, 220, 221, 222, 223,
4121 224, 225, 226, 227, 228, 229, 230, 231,
4122 232, 233, 234, 235, 236, 237, 238, 239,
4123 240, 241, 242, 243, 244, 245, 246, 247,
4124 248, 249, 250, 251, 252, 253, 254, 255
4125};
9d116dd7 4126#endif /* !EBCDIC */
79072805 4127#else
22c35a8c 4128EXTCONST unsigned char PL_fold[];
79072805
LW		 4129#endif
4130
27da23d5 4131#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4132#ifdef DOINIT
27da23d5 4133EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4134 0, 1, 2, 3, 4, 5, 6, 7,
4135 8, 9, 10, 11, 12, 13, 14, 15,
4136 16, 17, 18, 19, 20, 21, 22, 23,
4137 24, 25, 26, 27, 28, 29, 30, 31,
4138 32, 33, 34, 35, 36, 37, 38, 39,
4139 40, 41, 42, 43, 44, 45, 46, 47,
4140 48, 49, 50, 51, 52, 53, 54, 55,
4141 56, 57, 58, 59, 60, 61, 62, 63,
4142 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4143 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4144 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4145 'x', 'y', 'z', 91, 92, 93, 94, 95,
4146 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4147 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4148 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4149 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4150 128, 129, 130, 131, 132, 133, 134, 135,
4151 136, 137, 138, 139, 140, 141, 142, 143,
4152 144, 145, 146, 147, 148, 149, 150, 151,
4153 152, 153, 154, 155, 156, 157, 158, 159,
4154 160, 161, 162, 163, 164, 165, 166, 167,
4155 168, 169, 170, 171, 172, 173, 174, 175,
4156 176, 177, 178, 179, 180, 181, 182, 183,
4157 184, 185, 186, 187, 188, 189, 190, 191,
4158 192, 193, 194, 195, 196, 197, 198, 199,
4159 200, 201, 202, 203, 204, 205, 206, 207,
4160 208, 209, 210, 211, 212, 213, 214, 215,
4161 216, 217, 218, 219, 220, 221, 222, 223,
4162 224, 225, 226, 227, 228, 229, 230, 231,
4163 232, 233, 234, 235, 236, 237, 238, 239,
4164 240, 241, 242, 243, 244, 245, 246, 247,
4165 248, 249, 250, 251, 252, 253, 254, 255
4166};
4167#else
27da23d5 4168EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4169#endif
27da23d5 4170#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4171
4172#ifdef DOINIT
9d116dd7 4173#ifdef EBCDIC
27da23d5 4174EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4175 1, 2, 84, 151, 154, 155, 156, 157,
4176 165, 246, 250, 3, 158, 7, 18, 29,
4177 40, 51, 62, 73, 85, 96, 107, 118,
4178 129, 140, 147, 148, 149, 150, 152, 153,
4179 255, 6, 8, 9, 10, 11, 12, 13,
4180 14, 15, 24, 25, 26, 27, 28, 226,
4181 29, 30, 31, 32, 33, 43, 44, 45,
4182 46, 47, 48, 49, 50, 76, 77, 78,
4183 79, 80, 81, 82, 83, 84, 85, 86,
4184 87, 94, 95, 234, 181, 233, 187, 190,
4185 180, 96, 97, 98, 99, 100, 101, 102,
4186 104, 112, 182, 174, 236, 232, 229, 103,
4187 228, 226, 114, 115, 116, 117, 118, 119,
4188 120, 121, 122, 235, 176, 230, 194, 162,
4189 130, 131, 132, 133, 134, 135, 136, 137,
4190 138, 139, 201, 205, 163, 217, 220, 224,
4191 5, 248, 227, 244, 242, 255, 241, 231,
4192 240, 253, 16, 197, 19, 20, 21, 187,
4193 23, 169, 210, 245, 237, 249, 247, 239,
4194 168, 252, 34, 196, 36, 37, 38, 39,
4195 41, 42, 251, 254, 238, 223, 221, 213,
4196 225, 177, 52, 53, 54, 55, 56, 57,
4197 58, 59, 60, 61, 63, 64, 65, 66,
4198 67, 68, 69, 70, 71, 72, 74, 75,
4199 205, 208, 186, 202, 200, 218, 198, 179,
4200 178, 214, 88, 89, 90, 91, 92, 93,
4201 217, 166, 170, 207, 199, 209, 206, 204,
4202 160, 212, 105, 106, 108, 109, 110, 111,
4203 203, 113, 216, 215, 192, 175, 193, 243,
4204 172, 161, 123, 124, 125, 126, 127, 128,
4205 222, 219, 211, 195, 188, 193, 185, 184,
4206 191, 183, 141, 142, 143, 144, 145, 146
4207};
4208#else /* ascii rather than ebcdic */
22c35a8c 4209EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4210 1, 2, 84, 151, 154, 155, 156, 157,
4211 165, 246, 250, 3, 158, 7, 18, 29,
4212 40, 51, 62, 73, 85, 96, 107, 118,
4213 129, 140, 147, 148, 149, 150, 152, 153,
4214 255, 182, 224, 205, 174, 176, 180, 217,
4215 233, 232, 236, 187, 235, 228, 234, 226,
4216 222, 219, 211, 195, 188, 193, 185, 184,
4217 191, 183, 201, 229, 181, 220, 194, 162,
4218 163, 208, 186, 202, 200, 218, 198, 179,
4219 178, 214, 166, 170, 207, 199, 209, 206,
4220 204, 160, 212, 216, 215, 192, 175, 173,
4221 243, 172, 161, 190, 203, 189, 164, 230,
4222 167, 248, 227, 244, 242, 255, 241, 231,
4223 240, 253, 169, 210, 245, 237, 249, 247,
4224 239, 168, 252, 251, 254, 238, 223, 221,
4225 213, 225, 177, 197, 171, 196, 159, 4,
4226 5, 6, 8, 9, 10, 11, 12, 13,
4227 14, 15, 16, 17, 19, 20, 21, 22,
4228 23, 24, 25, 26, 27, 28, 30, 31,
4229 32, 33, 34, 35, 36, 37, 38, 39,
4230 41, 42, 43, 44, 45, 46, 47, 48,
4231 49, 50, 52, 53, 54, 55, 56, 57,
4232 58, 59, 60, 61, 63, 64, 65, 66,
4233 67, 68, 69, 70, 71, 72, 74, 75,
4234 76, 77, 78, 79, 80, 81, 82, 83,
4235 86, 87, 88, 89, 90, 91, 92, 93,
4236 94, 95, 97, 98, 99, 100, 101, 102,
4237 103, 104, 105, 106, 108, 109, 110, 111,
4238 112, 113, 114, 115, 116, 117, 119, 120,
4239 121, 122, 123, 124, 125, 126, 127, 128,
4240 130, 131, 132, 133, 134, 135, 136, 137,
4241 138, 139, 141, 142, 143, 144, 145, 146
4242};
9d116dd7 4243#endif
79072805 4244#else
22c35a8c 4245EXTCONST unsigned char PL_freq[];
79072805
LW		 4246#endif
4247
8990e307
LW		 4248#ifdef DEBUGGING
4249#ifdef DOINIT
27da23d5 4250EXTCONST char* const PL_block_type[] = {
8990e307
LW		 4251 "NULL",
4252 "SUB",
4253 "EVAL",
4254 "LOOP",
4255 "SUBST",
4256 "BLOCK",
0d863452
RH		 4257 "FORMAT",
4258 "GIVEN",
4259 "WHEN"
8990e307
LW		 4260};
4261#else
22c35a8c 4262EXTCONST char* PL_block_type[];
8990e307
LW		 4263#endif
4264#endif
4265
73c4f7a1
GS		 4266END_EXTERN_C
4267
79072805
LW		 4268/*****************************************************************************/
4269/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4270/*****************************************************************************/
8990e307 4271/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4272
d4c3c482 4273#ifdef __Lynx__
9cffb111
OS		 4274/* LynxOS defines these in scsi.h which is included via ioctl.h */
4275#ifdef FORMAT
4276#undef FORMAT
4277#endif
4278#ifdef SPACE
4279#undef SPACE
4280#endif
d4c3c482 4281#endif
9cffb111 4282
fb73857a 4283#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4284
79072805
LW		 4285typedef enum {
4286 XOPERATOR,
4287 XTERM,
79072805 4288 XREF,
8990e307 4289 XSTATE,
a0d0e21e 4290 XBLOCK,
09bef843
SB		 4291 XATTRBLOCK,
4292 XATTRTERM,
6f33ba73
RGS		 4293 XTERMBLOCK,
4294 XTERMORDORDOR /* evil hack */
27308ded 4295 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4296} expectation;
4297
dc9e4912
GS		 4298enum { /* pass one of these to get_vtbl */
4299 want_vtbl_sv,
4300 want_vtbl_env,
4301 want_vtbl_envelem,
4302 want_vtbl_sig,
4303 want_vtbl_sigelem,
4304 want_vtbl_pack,
4305 want_vtbl_packelem,
4306 want_vtbl_dbline,
4307 want_vtbl_isa,
4308 want_vtbl_isaelem,
4309 want_vtbl_arylen,
4310 want_vtbl_glob,
4311 want_vtbl_mglob,
4312 want_vtbl_nkeys,
4313 want_vtbl_taint,
4314 want_vtbl_substr,
4315 want_vtbl_vec,
4316 want_vtbl_pos,
4317 want_vtbl_bm,
4318 want_vtbl_fm,
4319 want_vtbl_uvar,
4320 want_vtbl_defelem,
4321 want_vtbl_regexp,
4322 want_vtbl_collxfrm,
4323 want_vtbl_amagic,
4324 want_vtbl_amagicelem,
dc9e4912 4325 want_vtbl_regdata,
810b8aa5 4326 want_vtbl_regdatum,
7e8c5dac 4327 want_vtbl_backref,
8d2f4536 4328 want_vtbl_utf8,
83bf042f 4329 want_vtbl_symtab,
b3ca2e83
NC		 4330 want_vtbl_arylen_p,
4331 want_vtbl_hintselem
dc9e4912
GS		 4332};
4333
d5ec2987
NC		 4334
4335/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4336 special and there is no need for HINT_PRIVATE_MASK for COPs
4337 However, bitops store HINT_INTEGER in their op_private. */
9cfe5470
RGS		 4338#define HINT_INTEGER 0x00000001 /* integer pragma */
4339#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4340#define HINT_LOCALE 0x00000004 /* locale pragma */
4341#define HINT_BYTES 0x00000008 /* bytes pragma */
7b0bddfa 4342#define HINT_ARYBASE 0x00000010 /* $[ is non-zero */
a0ed51b3 4343 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 4344 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 4345
4346#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4347#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4348#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 4349
9cfe5470 4350/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4351#define HINT_NEW_INTEGER 0x00001000
4352#define HINT_NEW_FLOAT 0x00002000
4353#define HINT_NEW_BINARY 0x00004000
4354#define HINT_NEW_STRING 0x00008000
4355#define HINT_NEW_RE 0x00010000
4356#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
11bcd5da 4357#define HINT_LEXICAL_IO 0x00040000 /* ${^OPEN} is set */
b3ac6de7 4358
9cfe5470
RGS		 4359#define HINT_RE_TAINT 0x00100000 /* re pragma */
4360#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4361
9cfe5470
RGS		 4362#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4363#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4364
ecd685f0
RGS		 4365/* assertions pragma, stored in $^H{assertions} */
4366#define HINT_ASSERTING 0x00000001
4367#define HINT_ASSERTIONSSEEN 0x00000002
06492da6 4368
0239f47c 4369/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4370#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4371#define HINT_SORT_QUICKSORT 0x00000001
4372#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4373#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4374
8bfdd7d9 4375/* Various states of the input record separator SV (rs) */
d4cce5f1 4376#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4377#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4378#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4379#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4380
128e8167 4381/* A struct for keeping various DEBUGGING related stuff,
ce333219 4382 * neatly packed. Currently only scratch variables for
128e8167
JH		 4383 * constructing debug output are included. Needed always,
4384 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4385struct perl_debug_pad {
4386 SV pad[3];
4387};
4388
4389#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4390#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4391 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4392 PERL_DEBUG_PAD(i))
ce333219 4393
56953603 4394/* Enable variables which are pointers to functions */
a2efc822 4395typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 4396typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
4397typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
4398 char* strend, char* strbeg, I32 minend,
4399 SV* screamer, void* data, U32 flags);
f722798b
IZ		 4400typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
4401 char *strpos, char *strend,
4402 U32 flags,
4403 struct re_scream_pos_data_s *d);
4404typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
4405typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
84da74a7 4406typedef regexp*(CPERLscope(*regdupe_t)) (pTHX_ const regexp* r, CLONE_PARAMS *param);
56953603 4407
c76ac1ee 4408typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 4409typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
4410typedef void (*SVFUNC_t) (pTHX_ SV*);
4411typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
4412typedef void (*XSINIT_t) (pTHX);
4413typedef void (*ATEXIT_t) (pTHX_ void*);
4414typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4415
22239a37
NIS		 4416/* Set up PERLVAR macros for populating structs */
4417#define PERLVAR(var,type) type var;
51371543 4418#define PERLVARA(var,n,type) type var[n];
22239a37 4419#define PERLVARI(var,type,init) type var;
3fe35a81 4420#define PERLVARIC(var,type,init) type var;
27da23d5
JH		 4421#define PERLVARISC(var,init) const char var[sizeof(init)];
4422
4423typedef OP* (CPERLscope(*Perl_ppaddr_t))(pTHX);
4424typedef OP* (CPERLscope(*Perl_check_t)) (pTHX_ OP*);
22239a37 4425
58a50f62
GS		 4426/* Interpreter exitlist entry */
4427typedef struct exitlistentry {
acfe0abc 4428 void (*fn) (pTHX_ void*);
58a50f62
GS		 4429 void *ptr;
4430} PerlExitListEntry;
4431
aadb217d
JH		 4432/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4433/* These have to be before perlvars.h */
4434#if !defined(HAS_SIGACTION) && defined(VMS)
4435# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4436#endif
4437/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4438#if defined(KILL_BY_SIGPRC)
4439# define FAKE_DEFAULT_SIGNAL_HANDLERS
4440#endif
4441
22239a37
NIS		 4442#ifdef PERL_GLOBAL_STRUCT
4443struct perl_vars {
7766f137 4444# include "perlvars.h"
22239a37
NIS		 4445};
4446
7766f137 4447# ifdef PERL_CORE
27da23d5 4448# ifndef PERL_GLOBAL_STRUCT_PRIVATE
533c011a
NIS		 4449EXT struct perl_vars PL_Vars;
4450EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
27da23d5
JH		 4451# undef PERL_GET_VARS
4452# define PERL_GET_VARS() PL_VarsPtr
4453# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
7766f137
GS		 4454# else /* PERL_CORE */
4455# if !defined(__GNUC__) || !defined(WIN32)
22239a37 4456EXT
7766f137 4457# endif /* WIN32 */
533c011a 4458struct perl_vars *PL_VarsPtr;
7766f137
GS		 4459# define PL_Vars (*((PL_VarsPtr) \
4460 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
4461# endif /* PERL_CORE */
22239a37
NIS		 4462#endif /* PERL_GLOBAL_STRUCT */
4463
acfe0abc 4464#if defined(MULTIPLICITY)
d460ef45 4465/* If we have multiple interpreters define a struct
d4cce5f1 4466 holding variables which must be per-interpreter
d460ef45 4467 If we don't have threads anything that would have
d4cce5f1
NIS		 4468 be per-thread is per-interpreter.
4469*/
4470
79072805 4471struct interpreter {
3db8f154 4472# include "thrdvar.h"
7766f137
GS		 4473# include "intrpvar.h"
4474/*
4475 * The following is a buffer where new variables must
acfe0abc 4476 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 4477 */
4478PERLVARA(object_compatibility,30, char)
49f531da 4479};
d4cce5f1 4480
79072805 4481#else
49f531da
NIS		 4482struct interpreter {
4483 char broiled;
4484};
acfe0abc 4485#endif /* MULTIPLICITY */
79072805 4486
22fae026 4487typedef void *Thread;
22239a37
NIS		 4488
4489/* Done with PERLVAR macros for now ... */
d4cce5f1 4490#undef PERLVAR
51371543 4491#undef PERLVARA
d4cce5f1 4492#undef PERLVARI
3fe35a81 4493#undef PERLVARIC
27da23d5 4494#undef PERLVARISC
79072805 4495
f7fe979e 4496struct tempsym; /* defined in pp_pack.c */
49704364 4497
22239a37 4498#include "thread.h"
79072805 4499#include "pp.h"
864dbfa3
GS		 4500
4501#ifndef PERL_CALLCONV
a0c21aa1
JH		 4502# ifdef __cplusplus
4503# define PERL_CALLCONV extern "C"
4504# else
4505# define PERL_CALLCONV
4506# endif
d460ef45 4507#endif
0cb96387
GS		 4508#undef PERL_CKDEF
4509#undef PERL_PPDEF
0159f81b
JH		 4510#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
4511#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 4512
7766f137 4513#include "proto.h"
864dbfa3 4514
0cb96387 4515/* this has structure inits, so it cannot be included before here */
acfe0abc 4516#include "opcode.h"
864dbfa3 4517
d4cce5f1
NIS		 4518/* The following must follow proto.h as #defines mess up syntax */
4519
22c35a8c
GS		 4520#if !defined(PERL_FOR_X2P)
4521# include "embedvar.h"
4522#endif
598921a7
NC		 4523#ifndef PERL_MAD
4524# undef PL_madskills
4525# undef PL_xmlfp
4526# define PL_madskills 0
4527# define PL_xmlfp 0
4528#endif
d4cce5f1 4529
d460ef45 4530/* Now include all the 'global' variables
d4cce5f1 4531 * If we don't have threads or multiple interpreters
d460ef45 4532 * these include variables that would have been their struct-s
d4cce5f1 4533 */
d460ef45 4534
533c011a 4535#define PERLVAR(var,type) EXT type PL_##var;
51371543 4536#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 4537#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
4538#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
27da23d5 4539#define PERLVARISC(var,init) EXTCONST char PL_##var[sizeof(init)] INIT(init);
d4cce5f1 4540
acfe0abc 4541#if !defined(MULTIPLICITY)
7766f137 4542START_EXTERN_C
066ef5b5 4543# include "intrpvar.h"
3db8f154 4544# include "thrdvar.h"
7766f137 4545END_EXTERN_C
22239a37
NIS		 4546#endif
4547
acfe0abc 4548#if defined(WIN32)
66a93824 4549/* Now all the config stuff is setup we can include embed.h */
22c35a8c 4550# include "embed.h"
eb8433b7
NC		 4551# ifndef PERL_MAD
4552# undef op_getmad
b3f24c00 4553# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 4554# endif
acfe0abc 4555#endif
22239a37 4556
c5be433b
GS		 4557#ifndef PERL_GLOBAL_STRUCT
4558START_EXTERN_C
4559
4560# include "perlvars.h"
4561
4562END_EXTERN_C
4563#endif
4564
d4cce5f1 4565#undef PERLVAR
51371543 4566#undef PERLVARA
d4cce5f1 4567#undef PERLVARI
0f3f18a6 4568#undef PERLVARIC
79072805 4569
73c4f7a1
GS		 4570START_EXTERN_C
4571
bc028b6b
JH		 4572/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
4573 * magic vtables const, but this is incompatible with SWIG which
4574 * does want to modify the vtables. */
4575#ifdef PERL_GLOBAL_STRUCT_PRIVATE
4576# define EXT_MGVTBL EXTCONST MGVTBL
4577#else
4578# define EXT_MGVTBL EXT MGVTBL
4579#endif
4580
79072805 4581#ifdef DOINIT
bc028b6b 4582# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var = {a,b,c,d,e,f,g,h}
2664ba31 4583/* Like MGVTBL_SET but with the get magic having a const MG* */
bc028b6b 4584# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var \
2664ba31 4585 = {(int (*)(pTHX_ SV *, MAGIC *))a,b,c,d,e,f,g,h}
4944113a 4586#else
bc028b6b
JH		 4587# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var
4588# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var
4944113a
AL		 4589#endif
4590
4591MGVTBL_SET(
4592 PL_vtbl_sv,
4593 MEMBER_TO_FPTR(Perl_magic_get),
4594 MEMBER_TO_FPTR(Perl_magic_set),
4595 MEMBER_TO_FPTR(Perl_magic_len),
4596 NULL,
4597 NULL,
4598 NULL,
2664ba31 4599 NULL,
4944113a
AL		 4600 NULL
4601);
4602
4603MGVTBL_SET(
4604 PL_vtbl_env,
4605 NULL,
4606 MEMBER_TO_FPTR(Perl_magic_set_all_env),
4607 NULL,
4608 MEMBER_TO_FPTR(Perl_magic_clear_all_env),
4609 NULL,
4610 NULL,
2664ba31 4611 NULL,
4944113a
AL		 4612 NULL
4613);
4614
4615MGVTBL_SET(
4616 PL_vtbl_envelem,
4617 NULL,
4618 MEMBER_TO_FPTR(Perl_magic_setenv),
4619 NULL,
4620 MEMBER_TO_FPTR(Perl_magic_clearenv),
4621 NULL,
4622 NULL,
2664ba31 4623 NULL,
4944113a
AL		 4624 NULL
4625);
4626
b3ca2e83 4627/* For now, hints magic will also use vtbl_sig, because it is all NULL */
4944113a
AL		 4628MGVTBL_SET(
4629 PL_vtbl_sig,
4630 NULL,
4631 NULL,
4632 NULL,
4633 NULL,
4634 NULL,
4635 NULL,
2664ba31 4636 NULL,
4944113a
AL		 4637 NULL
4638);
4639
9ba75e3c 4640#ifdef PERL_MICRO
4944113a
AL		 4641MGVTBL_SET(
4642 PL_vtbl_sigelem,
2664ba31
AL		 4643 NULL,
4644 NULL,
4645 NULL,
4646 NULL,
4647 NULL,
4648 NULL,
4649 NULL,
4650 NULL
9ba75e3c
DD		 4651);
4652
64ca3a65 4653#else
9ba75e3c
DD		 4654MGVTBL_SET(
4655 PL_vtbl_sigelem,
4944113a
AL		 4656 MEMBER_TO_FPTR(Perl_magic_getsig),
4657 MEMBER_TO_FPTR(Perl_magic_setsig),
4658 NULL,
4659 MEMBER_TO_FPTR(Perl_magic_clearsig),
4660 NULL,
4661 NULL,
2664ba31 4662 NULL,
4944113a 4663 NULL
4944113a 4664);
9ba75e3c 4665#endif
4944113a
AL		 4666
4667MGVTBL_SET(
4668 PL_vtbl_pack,
4669 NULL,
4670 NULL,
4671 MEMBER_TO_FPTR(Perl_magic_sizepack),
4672 MEMBER_TO_FPTR(Perl_magic_wipepack),
4673 NULL,
4674 NULL,
2664ba31 4675 NULL,
4944113a
AL		 4676 NULL
4677);
4678
4679MGVTBL_SET(
4680 PL_vtbl_packelem,
4681 MEMBER_TO_FPTR(Perl_magic_getpack),
4682 MEMBER_TO_FPTR(Perl_magic_setpack),
4683 NULL,
4684 MEMBER_TO_FPTR(Perl_magic_clearpack),
4685 NULL,
4686 NULL,
2664ba31 4687 NULL,
4944113a
AL		 4688 NULL
4689);
4690
4691MGVTBL_SET(
4692 PL_vtbl_dbline,
4693 NULL,
4694 MEMBER_TO_FPTR(Perl_magic_setdbline),
4695 NULL,
4696 NULL,
4697 NULL,
4698 NULL,
2664ba31 4699 NULL,
4944113a
AL		 4700 NULL
4701);
4702
4703MGVTBL_SET(
4704 PL_vtbl_isa,
4705 NULL,
4706 MEMBER_TO_FPTR(Perl_magic_setisa),
4707 NULL,
4708 MEMBER_TO_FPTR(Perl_magic_setisa),
4709 NULL,
4710 NULL,
2664ba31 4711 NULL,
4944113a
AL		 4712 NULL
4713);
4714
4715MGVTBL_SET(
4716 PL_vtbl_isaelem,
4717 NULL,
4718 MEMBER_TO_FPTR(Perl_magic_setisa),
4719 NULL,
4720 NULL,
4721 NULL,
4722 NULL,
2664ba31 4723 NULL,
4944113a
AL		 4724 NULL
4725);
4726
2e2109e1 4727MGVTBL_SET_CONST_MAGIC_GET(
4944113a
AL		 4728 PL_vtbl_arylen,
4729 MEMBER_TO_FPTR(Perl_magic_getarylen),
4730 MEMBER_TO_FPTR(Perl_magic_setarylen),
4731 NULL,
4732 NULL,
4733 NULL,
4734 NULL,
2664ba31 4735 NULL,
4944113a
AL		 4736 NULL
4737);
4738
4739MGVTBL_SET(
83bf042f
NC		 4740 PL_vtbl_arylen_p,
4741 NULL,
4742 NULL,
4743 NULL,
4744 NULL,
4745 MEMBER_TO_FPTR(Perl_magic_freearylen_p),
4746 NULL,
2664ba31 4747 NULL,
83bf042f
NC		 4748 NULL
4749);
4750
4751MGVTBL_SET(
4944113a
AL		 4752 PL_vtbl_mglob,
4753 NULL,
4754 MEMBER_TO_FPTR(Perl_magic_setmglob),
4755 NULL,
4756 NULL,
4757 NULL,
4758 NULL,
2664ba31 4759 NULL,
4944113a
AL		 4760 NULL
4761);
4762
4763MGVTBL_SET(
4764 PL_vtbl_nkeys,
4765 MEMBER_TO_FPTR(Perl_magic_getnkeys),
4766 MEMBER_TO_FPTR(Perl_magic_setnkeys),
4767 NULL,
4768 NULL,
4769 NULL,
4770 NULL,
2664ba31 4771 NULL,
4944113a
AL		 4772 NULL
4773);
4774
4775MGVTBL_SET(
4776 PL_vtbl_taint,
4777 MEMBER_TO_FPTR(Perl_magic_gettaint),
4778 MEMBER_TO_FPTR(Perl_magic_settaint),
4779 NULL,
4780 NULL,
4781 NULL,
4782 NULL,
2664ba31 4783 NULL,
4944113a
AL		 4784 NULL
4785);
4786
4787MGVTBL_SET(
4788 PL_vtbl_substr,
4789 MEMBER_TO_FPTR(Perl_magic_getsubstr),
4790 MEMBER_TO_FPTR(Perl_magic_setsubstr),
4791 NULL,
4792 NULL,
4793 NULL,
4794 NULL,
2664ba31 4795 NULL,
4944113a
AL		 4796 NULL
4797);
4798
4799MGVTBL_SET(
4800 PL_vtbl_vec,
4801 MEMBER_TO_FPTR(Perl_magic_getvec),
4802 MEMBER_TO_FPTR(Perl_magic_setvec),
4803 NULL,
4804 NULL,
4805 NULL,
4806 NULL,
2664ba31 4807 NULL,
4944113a
AL		 4808 NULL
4809);
4810
4811MGVTBL_SET(
4812 PL_vtbl_pos,
4813 MEMBER_TO_FPTR(Perl_magic_getpos),
4814 MEMBER_TO_FPTR(Perl_magic_setpos),
4815 NULL,
4816 NULL,
4817 NULL,
4818 NULL,
2664ba31 4819 NULL,
4944113a
AL		 4820 NULL
4821);
4822
4823MGVTBL_SET(
4824 PL_vtbl_bm,
4825 NULL,
4826 MEMBER_TO_FPTR(Perl_magic_setbm),
4827 NULL,
4828 NULL,
4829 NULL,
4830 NULL,
2664ba31 4831 NULL,
4944113a
AL		 4832 NULL
4833);
4834
4835MGVTBL_SET(
4836 PL_vtbl_fm,
4837 NULL,
4838 MEMBER_TO_FPTR(Perl_magic_setfm),
4839 NULL,
4840 NULL,
4841 NULL,
4842 NULL,
2664ba31 4843 NULL,
4944113a
AL		 4844 NULL
4845);
4846
4847MGVTBL_SET(
4848 PL_vtbl_uvar,
4849 MEMBER_TO_FPTR(Perl_magic_getuvar),
4850 MEMBER_TO_FPTR(Perl_magic_setuvar),
4851 NULL,
4852 NULL,
4853 NULL,
4854 NULL,
2664ba31 4855 NULL,
4944113a
AL		 4856 NULL
4857);
4858
4859MGVTBL_SET(
4860 PL_vtbl_defelem,
4861 MEMBER_TO_FPTR(Perl_magic_getdefelem),
4862 MEMBER_TO_FPTR(Perl_magic_setdefelem),
4863 NULL,
4864 NULL,
4865 NULL,
4866 NULL,
2664ba31 4867 NULL,
4944113a
AL		 4868 NULL
4869);
4870
4871MGVTBL_SET(
4872 PL_vtbl_regexp,
4873 NULL,
4874 MEMBER_TO_FPTR(Perl_magic_setregexp),
4875 NULL,
4876 NULL,
4877 MEMBER_TO_FPTR(Perl_magic_freeregexp),
4878 NULL,
2664ba31 4879 NULL,
4944113a
AL		 4880 NULL
4881);
4882
4883MGVTBL_SET(
31e9c0d8
RGS		 4884 PL_vtbl_regdata_names,
4885 NULL,
4886 NULL,
4887 NULL,
4888 NULL,
4889 NULL,
4890 NULL,
4891 NULL,
4892 NULL
4893);
4894
4895MGVTBL_SET(
4944113a
AL		 4896 PL_vtbl_regdata,
4897 NULL,
4898 NULL,
4899 MEMBER_TO_FPTR(Perl_magic_regdata_cnt),
4900 NULL,
4901 NULL,
4902 NULL,
2664ba31 4903 NULL,
4944113a
AL		 4904 NULL
4905);
4906
4907MGVTBL_SET(
4908 PL_vtbl_regdatum,
4909 MEMBER_TO_FPTR(Perl_magic_regdatum_get),
4910 MEMBER_TO_FPTR(Perl_magic_regdatum_set),
4911 NULL,
4912 NULL,
4913 NULL,
4914 NULL,
2664ba31 4915 NULL,
4944113a
AL		 4916 NULL
4917);
4918
4919MGVTBL_SET(
4920 PL_vtbl_amagic,
4921 NULL,
4922 MEMBER_TO_FPTR(Perl_magic_setamagic),
4923 NULL,
4924 NULL,
4925 MEMBER_TO_FPTR(Perl_magic_setamagic),
4926 NULL,
2664ba31 4927 NULL,
4944113a
AL		 4928 NULL
4929);
4930
4931MGVTBL_SET(
4932 PL_vtbl_amagicelem,
4933 NULL,
4934 MEMBER_TO_FPTR(Perl_magic_setamagic),
4935 NULL,
4936 NULL,
4937 MEMBER_TO_FPTR(Perl_magic_setamagic),
4938 NULL,
2664ba31 4939 NULL,
4944113a
AL		 4940 NULL
4941);
4942
4943MGVTBL_SET(
4944 PL_vtbl_backref,
4945 NULL,
4946 NULL,
4947 NULL,
4948 NULL,
4949 MEMBER_TO_FPTR(Perl_magic_killbackrefs),
4950 NULL,
2664ba31 4951 NULL,
4944113a
AL		 4952 NULL
4953);
4954
4955MGVTBL_SET(
4956 PL_vtbl_ovrld,
4957 NULL,
4958 NULL,
4959 NULL,
4960 NULL,
4961 MEMBER_TO_FPTR(Perl_magic_freeovrld),
4962 NULL,
2664ba31 4963 NULL,
4944113a
AL		 4964 NULL
4965);
4966
4967MGVTBL_SET(
4968 PL_vtbl_utf8,
4969 NULL,
4970 MEMBER_TO_FPTR(Perl_magic_setutf8),
4971 NULL,
4972 NULL,
4973 NULL,
4974 NULL,
2664ba31 4975 NULL,
4944113a
AL		 4976 NULL
4977);
36477c24 4978#ifdef USE_LOCALE_COLLATE
4944113a
AL		 4979MGVTBL_SET(
4980 PL_vtbl_collxfrm,
4981 NULL,
4982 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
4983 NULL,
4984 NULL,
4985 NULL,
4986 NULL,
2664ba31 4987 NULL,
4944113a
AL		 4988 NULL
4989);
bbce6d69 4990#endif
a0d0e21e 4991
b3ca2e83
NC		 4992MGVTBL_SET(
4993 PL_vtbl_hintselem,
4994 NULL,
4995 MEMBER_TO_FPTR(Perl_magic_sethint),
4996 NULL,
4997 MEMBER_TO_FPTR(Perl_magic_clearhint),
4998 NULL,
4999 NULL,
5000 NULL,
5001 NULL
5002);
5003
bab3dc31 5004#include "overload.h"
a0d0e21e 5005
73c4f7a1
GS		 5006END_EXTERN_C
5007
a6006777 5008struct am_table {
8175493d 5009 U32 flags;
eb160463 5010 U32 was_ok_sub;
a0d0e21e 5011 long was_ok_am;
a6006777 5012 CV* table[NofAMmeth];
a0d0e21e
LW		 5013 long fallback;
5014};
a6006777 5015struct am_table_short {
8175493d 5016 U32 flags;
eb160463 5017 U32 was_ok_sub;
a6006777 5018 long was_ok_am;
a6006777 5019};
a0d0e21e 5020typedef struct am_table AMT;
a6006777 5021typedef struct am_table_short AMTS;
a0d0e21e
LW		 5022
5023#define AMGfallNEVER 1
5024#define AMGfallNO 2
5025#define AMGfallYES 3
5026
a6006777 5027#define AMTf_AMAGIC 1
32251b26 5028#define AMTf_OVERLOADED 2
a6006777 5029#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5030#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5031#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 5032#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
5033#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
5034#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 5035
32251b26 5036#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5037
5038/*
5039 * some compilers like to redefine cos et alia as faster
5040 * (and less accurate?) versions called F_cos et cetera (Quidquid
5041 * latine dictum sit, altum viditur.) This trick collides with
5042 * the Perl overloading (amg). The following #defines fool both.
5043 */
5044
5045#ifdef _FASTMATH
5046# ifdef atan2
5047# define F_atan2_amg atan2_amg
5048# endif
5049# ifdef cos
5050# define F_cos_amg cos_amg
5051# endif
5052# ifdef exp
5053# define F_exp_amg exp_amg
5054# endif
5055# ifdef log
5056# define F_log_amg log_amg
5057# endif
5058# ifdef pow
5059# define F_pow_amg pow_amg
5060# endif
5061# ifdef sin
5062# define F_sin_amg sin_amg
5063# endif
5064# ifdef sqrt
5065# define F_sqrt_amg sqrt_amg
5066# endif
5067#endif /* _FASTMATH */
5068
83ee9e09
GS		 5069#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5070 PERLDBf_NOOPT | PERLDBf_INTER | \
5071 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
06492da6
SF		 5072 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON )
5073 /* No _NONAME, _GOTO, _ASSERTION */
83ee9e09
GS		 5074#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5075#define PERLDBf_LINE 0x02 /* Keep line # */
5076#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5077#define PERLDBf_INTER 0x08 /* Preserve more data for
5078 later inspections */
5079#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5080#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5081#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5082#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5083#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5084#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
06492da6 5085#define PERLDBf_ASSERTION 0x400 /* Debug assertion subs enter/exit */
84902520 5086
3280af22
NIS		 5087#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5088#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5089#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5090#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5091#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5092#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5093#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5094#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5095#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5096#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
06492da6 5097#define PERLDB_ASSERTION (PL_perldb && (PL_perldb & PERLDBf_ASSERTION))
bbce6d69 5098
36477c24 5099#ifdef USE_LOCALE_NUMERIC
bbce6d69 5100
36477c24 5101#define SET_NUMERIC_STANDARD() \
ff4fed7c 5102 set_numeric_standard();
36477c24 5103
5104#define SET_NUMERIC_LOCAL() \
ff4fed7c 5105 set_numeric_local();
bbce6d69 5106
a98fe34d 5107#define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE)
2de3dbcc
JH		 5108#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
5109
5110#define IN_LOCALE \
923e4eb5 5111 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
2de3dbcc 5112
f93f4e46 5113#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 5114 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 5115 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 5116
5117#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 5118 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 5119 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 5120
5121#define RESTORE_NUMERIC_LOCAL() \
5122 if (was_local) SET_NUMERIC_LOCAL();
5123
5124#define RESTORE_NUMERIC_STANDARD() \
5125 if (was_standard) SET_NUMERIC_STANDARD();
5126
5b877257 5127#define Atof my_atof
097ee67d 5128
36477c24 5129#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5130
097ee67d
JH		 5131#define SET_NUMERIC_STANDARD() /**/
5132#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5133#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5134#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5135#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 5136#define RESTORE_NUMERIC_LOCAL() /**/
5137#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 5138#define Atof my_atof
ad3e0f90 5139#define IN_LOCALE_RUNTIME 0
bbce6d69 5140
36477c24 5141#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5142
079290de 5143#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5144# ifdef __hpux
5145# define strtoll __strtoll /* secret handshake */
5146# endif
c623ac67
GS		 5147# ifdef WIN64
5148# define strtoll _strtoi64 /* secret handshake */
5149# endif
079290de
GS		 5150# if !defined(Strtol) && defined(HAS_STRTOLL)
5151# define Strtol strtoll
ad551343 5152# endif
28e5dec8
JH		 5153# if !defined(Strtol) && defined(HAS_STRTOQ)
5154# define Strtol strtoq
5155# endif
ff935051 5156/* is there atoq() anywhere? */
15b99d39 5157#endif
079290de
GS		 5158#if !defined(Strtol) && defined(HAS_STRTOL)
5159# define Strtol strtol
5160#endif
5161#ifndef Atol
5162/* It would be more fashionable to use Strtol() to define atol()
5163 * (as is done for Atoul(), see below) but for backward compatibility
5164 * we just assume atol(). */
76b882ba 5165# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 5166# ifdef WIN64
5167# define atoll _atoi64 /* secret handshake */
5168# endif
76b882ba
JH		 5169# define Atol atoll
5170# else
5171# define Atol atol
5172# endif
cf2093f6
JH		 5173#endif
5174
55eb892c 5175#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5176# ifdef __hpux
5177# define strtoull __strtoull /* secret handshake */
5178# endif
c623ac67
GS		 5179# ifdef WIN64
5180# define strtoull _strtoui64 /* secret handshake */
5181# endif
ad551343 5182# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5183# define Strtoul strtoull
15b99d39 5184# endif
079290de
GS		 5185# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5186# define Strtoul strtouq
5187# endif
76d49b1c 5188/* is there atouq() anywhere? */
ad551343 5189#endif
079290de
GS		 5190#if !defined(Strtoul) && defined(HAS_STRTOUL)
5191# define Strtoul strtoul
cf2093f6 5192#endif
a5523c5b
JH		 5193#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5194# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5195#endif
079290de 5196#ifndef Atoul
d4c19fe8 5197# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5198#endif
cf2093f6 5199
760ac839 5200
06d86050
GS		 5201/* if these never got defined, they need defaults */
5202#ifndef PERL_SET_CONTEXT
5203# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5204#endif
5205
5206#ifndef PERL_GET_CONTEXT
5207# define PERL_GET_CONTEXT PERL_GET_INTERP
5208#endif
5209
5210#ifndef PERL_GET_THX
5211# define PERL_GET_THX ((void*)NULL)
5212#endif
5213
5214#ifndef PERL_SET_THX
5215# define PERL_SET_THX(t) NOOP
5216#endif
5217
a868473f
NIS		 5218#ifndef PERL_SCRIPT_MODE
5219#define PERL_SCRIPT_MODE "r"
5220#endif
5221
fba3b22e 5222/*
da927450
JH		 5223 * Some operating systems are stingy with stack allocation,
5224 * so perl may have to guard against stack overflow.
5225 */
5226#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5227#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5228#endif
5229
5230/*
5231 * Some nonpreemptive operating systems find it convenient to
5232 * check for asynchronous conditions after each op execution.
5233 * Keep this check simple, or it may slow down execution
5234 * massively.
5235 */
ce08f86c 5236
1d615522 5237#ifndef PERL_MICRO
4ffa73a3
JH		 5238# ifndef PERL_ASYNC_CHECK
5239# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
5240# endif
ce08f86c
NIS		 5241#endif
5242
da927450 5243#ifndef PERL_ASYNC_CHECK
1d615522 5244# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5245#endif
5246
5247/*
5248 * On some operating systems, a memory allocation may succeed,
5249 * but put the process too close to the system's comfort limit.
5250 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5251 * it to NULL.
5252 */
5253#ifndef PERL_ALLOC_CHECK
c2af87cb 5254#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5255#endif
5256
bd89102f
AD		 5257#ifdef HAS_SEM
5258# include <sys/ipc.h>
5259# include <sys/sem.h>
5260# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5261 union semun {
dbba660d
TC		 5262 int val;
5263 struct semid_ds *buf;
5264 unsigned short *array;
bd89102f
AD		 5265 };
5266# endif
5267# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5268# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5269 union gccbug_semun {
5270 int val;
5271 struct semid_ds *buf;
5272 unsigned short *array;
5273 char __dummy[5];
5274 };
5275# define semun gccbug_semun
5276# endif
bd89102f
AD		 5277# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5278# else
5279# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5280# ifdef EXTRA_F_IN_SEMUN_BUF
5281# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5282# else
5283# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5284# endif
bd89102f
AD		 5285# endif
5286# endif
bd89102f 5287#endif
49f531da 5288
89ca4ac7
JH		 5289/*
5290 * Boilerplate macros for initializing and accessing interpreter-local
5291 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 5292 * this, if you want to make the extension thread-safe. See
5293 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5294 * and perlxs.pod for more.
89ca4ac7
JH		 5295 *
5296 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5297 * 1. #define MY_CXT_KEY to a unique string, e.g.
5298 * "DynaLoader::_guts" XS_VERSION
f16dd614 5299 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5300 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5301 * all the data that needs to be interpreter-local.
5302 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5303 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5304 * (typically put in the BOOT: section).
5305 * 5. Use the members of the my_cxt_t structure everywhere as
5306 * MY_CXT.member.
5307 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5308 * access MY_CXT.
5309 */
5310
fc958cd2 5311#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7
JH		 5312
5313/* This must appear in all extensions that define a my_cxt_t structure,
5314 * right after the definition (i.e. at file scope). The non-threads
5315 * case below uses it to declare the data as static. */
f16dd614 5316#define START_MY_CXT static int my_cxt_index = -1;
89ca4ac7
JH		 5317
5318/* This declaration should be used within all functions that use the
5319 * interpreter-local data. */
5320#define dMY_CXT \
f16dd614
DM		 5321 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[my_cxt_index]
5322#define dMY_CXT_INTERP(my_perl) \
5323 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[my_cxt_index]
89ca4ac7
JH		 5324
5325/* Creates and zeroes the per-interpreter data.
5326 * (We allocate my_cxtp in a Perl SV so that it will be released when
5327 * the interpreter goes away.) */
5328#define MY_CXT_INIT \
f16dd614
DM		 5329 my_cxt_t *my_cxtp = \
5330 (my_cxt_t*)Perl_my_cxt_init(aTHX_ &my_cxt_index, sizeof(my_cxt_t))
5331#define MY_CXT_INIT_INTERP(my_perl) \
5332 my_cxt_t *my_cxtp = \
5333 (my_cxt_t*)Perl_my_cxt_init(my_perl, &my_cxt_index, sizeof(my_cxt_t))
89ca4ac7 5334
8fba5d14
MHM		 5335/* Clones the per-interpreter data. */
5336#define MY_CXT_CLONE \
8fba5d14 5337 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
f16dd614
DM		 5338 Copy(PL_my_cxt_list[my_cxt_index], my_cxtp, 1, my_cxt_t);\
5339 PL_my_cxt_list[my_cxt_index] = my_cxtp \
8fba5d14 5340
89ca4ac7
JH		 5341/* This macro must be used to access members of the my_cxt_t structure.
5342 * e.g. MYCXT.some_data */
5343#define MY_CXT (*my_cxtp)
5344
5345/* Judicious use of these macros can reduce the number of times dMY_CXT
5346 * is used. Use is similar to pTHX, aTHX etc. */
5347#define pMY_CXT my_cxt_t *my_cxtp
5348#define pMY_CXT_ pMY_CXT,
5349#define _pMY_CXT ,pMY_CXT
5350#define aMY_CXT my_cxtp
5351#define aMY_CXT_ aMY_CXT,
5352#define _aMY_CXT ,aMY_CXT
5353
f16dd614 5354#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7
JH		 5355
5356#define START_MY_CXT static my_cxt_t my_cxt;
5357#define dMY_CXT_SV dNOOP
5358#define dMY_CXT dNOOP
5359#define MY_CXT_INIT NOOP
8fba5d14 5360#define MY_CXT_CLONE NOOP
89ca4ac7
JH		 5361#define MY_CXT my_cxt
5362
5363#define pMY_CXT void
5364#define pMY_CXT_
5365#define _pMY_CXT
5366#define aMY_CXT
5367#define aMY_CXT_
5368#define _aMY_CXT
5369
f16dd614 5370#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5371
9a34ef1d
GS		 5372#ifdef I_FCNTL
5373# include <fcntl.h>
9a34ef1d
GS		 5374#endif
5375
9cffb111
OS		 5376#ifdef __Lynx__
5377# include <fcntl.h>
5378#endif
5379
9a34ef1d
GS		 5380#ifdef I_SYS_FILE
5381# include <sys/file.h>
5382#endif
5383
fa0a29af 5384#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5385int flock(int fd, int op);
5386#endif
5387
fe52b3b7
GS		 5388#ifndef O_RDONLY
5389/* Assume UNIX defaults */
5390# define O_RDONLY 0000
5391# define O_WRONLY 0001
5392# define O_RDWR 0002
5393# define O_CREAT 0100
5394#endif
9a34ef1d 5395
16fe6d59
GS		 5396#ifndef O_BINARY
5397# define O_BINARY 0
5398#endif
5399
5400#ifndef O_TEXT
5401# define O_TEXT 0
5402#endif
5403
6ce75a77
JH		 5404#if O_TEXT != O_BINARY
5405 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5406 * that is, you are somehow DOSish. */
538204d5 5407# if defined(__BEOS__) || defined(__VOS__) || defined(__CYGWIN__)
a6e45062
JH		 5408 /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5409 * BeOS is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5410 /* VOS has O_TEXT != O_BINARY, and they have effect,
5411 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5412 /* If you have O_TEXT different from your O_BINARY but you still are
5413 * not a CRLF shop. */
35990314 5414# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5415# else
5416 /* If you really are DOSish. */
5417# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5418# endif
5419#endif
5420
104d25b7
JH		 5421#ifdef IAMSUID
5422
5423#ifdef I_SYS_STATVFS
9f982a77
IG		 5424# if defined(PERL_SCO) && !defined(_SVID3)
5425# define _SVID3
5426# endif
32b3cf08
JH		 5427# include <sys/statvfs.h> /* for f?statvfs() */
5428#endif
5429#ifdef I_SYS_MOUNT
5430# include <sys/mount.h> /* for *BSD f?statfs() */
5431#endif
5432#ifdef I_MNTENT
5433# include <mntent.h> /* for getmntent() */
104d25b7 5434#endif
0545a864
JH		 5435#ifdef I_SYS_STATFS
5436# include <sys/statfs.h> /* for some statfs() */
5437#endif
5438#ifdef I_SYS_VFS
8d9e1a19
GS		 5439# ifdef __sgi
5440# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
5441# endif
5442# include <sys/vfs.h> /* for some statfs() */
5443# ifdef __sgi
5444# undef IRIX_sv
5445# endif
0545a864
JH		 5446#endif
5447#ifdef I_USTAT
5448# include <ustat.h> /* for ustat() */
5449#endif
5450
5451#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
5452# define PERL_MOUNT_NOSUID MOUNT_NOSUID
5453#endif
5454#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
5455# define PERL_MOUNT_NOSUID MNT_NOSUID
5456#endif
5457#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
5458# define PERL_MOUNT_NOSUID MS_NOSUID
5459#endif
5460#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
5461# define PERL_MOUNT_NOSUID M_NOSUID
5462#endif
104d25b7 5463
ae3f3efd
PS		 5464#if !defined(PERL_MOUNT_NOEXEC) && defined(MOUNT_NOEXEC)
5465# define PERL_MOUNT_NOEXEC MOUNT_NOEXEC
5466#endif
5467#if !defined(PERL_MOUNT_NOEXEC) && defined(MNT_NOEXEC)
5468# define PERL_MOUNT_NOEXEC MNT_NOEXEC
5469#endif
5470#if !defined(PERL_MOUNT_NOEXEC) && defined(MS_NOEXEC)
5471# define PERL_MOUNT_NOEXEC MS_NOEXEC
5472#endif
5473#if !defined(PERL_MOUNT_NOEXEC) && defined(M_NOEXEC)
5474# define PERL_MOUNT_NOEXEC M_NOEXEC
5475#endif
5476
104d25b7
JH		 5477#endif /* IAMSUID */
5478
4bc88a62
PS		 5479#ifdef I_LIBUTIL
5480# include <libutil.h> /* setproctitle() in some FreeBSDs */
5481#endif
5482
b4748376
NIS		 5483#ifndef EXEC_ARGV_CAST
5484#define EXEC_ARGV_CAST(x) x
5485#endif
5486
dd5dc04f
JH		 5487#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5488 int). value returned in pointed-
5489 to UV */
5490#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5491#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5492#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5493#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5494#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5495
5496#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5497
53305cf1
NC		 5498/* Input flags: */
5499#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5500#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5501#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 5502/* Output flags: */
5503#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5504
2c4f7f0e
DM		 5505/* to let user control profiling */
5506#ifdef PERL_GPROF_CONTROL
5507extern void moncontrol(int);
5508#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5509#else
5510#define PERL_GPROF_MONCONTROL(x)
5511#endif
5512
ae0e3d3b
JH		 5513#ifdef UNDER_CE
5514#include "wince.h"
5515#endif
5516
5517/* ISO 6429 NEL - C1 control NExt Line */
5518/* See http://www.unicode.org/unicode/reports/tr13/ */
5519#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
5520# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
5521# define NEXT_LINE_CHAR 0x15
5522# else /* CDRA */
5523# define NEXT_LINE_CHAR 0x25
5524# endif
5525#else
5526# define NEXT_LINE_CHAR 0x85
5527#endif
5528
5529/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5530#define UNICODE_LINE_SEPA_0 0xE2
5531#define UNICODE_LINE_SEPA_1 0x80
5532#define UNICODE_LINE_SEPA_2 0xA8
5533#define UNICODE_PARA_SEPA_0 0xE2
5534#define UNICODE_PARA_SEPA_1 0x80
5535#define UNICODE_PARA_SEPA_2 0xA9
5536
479b2847
GS		 5537#ifndef PIPESOCK_MODE
5538# define PIPESOCK_MODE
5539#endif
5540
460c8493
IZ		 5541#ifndef SOCKET_OPEN_MODE
5542# define SOCKET_OPEN_MODE PIPESOCK_MODE
5543#endif
5544
5545#ifndef PIPE_OPEN_MODE
5546# define PIPE_OPEN_MODE PIPESOCK_MODE
5547#endif
5548
7e8c5dac
HS		 5549#define PERL_MAGIC_UTF8_CACHESIZE 2
5550
a05d7ebb
JH		 5551#define PERL_UNICODE_STDIN_FLAG 0x0001
5552#define PERL_UNICODE_STDOUT_FLAG 0x0002
5553#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5554#define PERL_UNICODE_IN_FLAG 0x0008
5555#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5556#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5557#define PERL_UNICODE_LOCALE_FLAG 0x0040
5558#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 5559#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 5560
06e66572
JH		 5561#define PERL_UNICODE_STD_FLAG \
5562 (PERL_UNICODE_STDIN_FLAG | \
5563 PERL_UNICODE_STDOUT_FLAG | \
5564 PERL_UNICODE_STDERR_FLAG)
5565
5566#define PERL_UNICODE_INOUT_FLAG \
5567 (PERL_UNICODE_IN_FLAG | \
5568 PERL_UNICODE_OUT_FLAG)
5569
5570#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5571 (PERL_UNICODE_STD_FLAG | \
5572 PERL_UNICODE_INOUT_FLAG | \
5573 PERL_UNICODE_LOCALE_FLAG)
5574
5a22a2bb 5575#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 5576
5577#define PERL_UNICODE_STDIN 'I'
5578#define PERL_UNICODE_STDOUT 'O'
5579#define PERL_UNICODE_STDERR 'E'
5580#define PERL_UNICODE_STD 'S'
5581#define PERL_UNICODE_IN 'i'
5582#define PERL_UNICODE_OUT 'o'
5583#define PERL_UNICODE_INOUT 'D'
5584#define PERL_UNICODE_ARGV 'A'
5585#define PERL_UNICODE_LOCALE 'L'
5586#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 5587#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 5588
4ffa73a3
JH		 5589#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5590
16bd9a85
JH		 5591/* From sigaction(2) (FreeBSD man page):
5592 * | Signal routines normally execute with the signal that
5593 * | caused their invocation blocked, but other signals may
5594 * | yet occur.
5595 * Emulation of this behavior (from within Perl) is enabled
5596 * by defining PERL_BLOCK_SIGNALS.
5597 */
5598#define PERL_BLOCK_SIGNALS
5599
5600#if defined(HAS_SIGPROCMASK) && defined(PERL_BLOCK_SIGNALS)
5601# define PERL_BLOCKSIG_ADD(set,sig) \
5602 sigset_t set; sigemptyset(&(set)); sigaddset(&(set), sig)
5603# define PERL_BLOCKSIG_BLOCK(set) \
5604 sigprocmask(SIG_BLOCK, &(set), NULL)
5605# define PERL_BLOCKSIG_UNBLOCK(set) \
5606 sigprocmask(SIG_UNBLOCK, &(set), NULL)
5607#endif /* HAS_SIGPROCMASK && PERL_BLOCK_SIGNALS */
5608
5609/* How about the old style of sigblock()? */
5610
5611#ifndef PERL_BLOCKSIG_ADD
5612# define PERL_BLOCKSIG_ADD(set, sig) NOOP
5613#endif
5614#ifndef PERL_BLOCKSIG_BLOCK
5615# define PERL_BLOCKSIG_BLOCK(set) NOOP
5616#endif
2bfba5f0 5617#ifndef PERL_BLOCKSIG_UNBLOCK
16bd9a85
JH		 5618# define PERL_BLOCKSIG_UNBLOCK(set) NOOP
5619#endif
5620
32fdb065 5621/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5622 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5623#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5624
3c0f78ca
JH		 5625#if defined(__DECC) && defined(__osf__)
5626#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 5627#endif
5628
e4dba786
NC		 5629#define do_open(g, n, l, a, rm, rp, sf) \
5630 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 5631#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 5632# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 5633#endif
15871fce
NC		 5634#ifdef OS2
5635# define do_aexec Perl_do_aexec
5636#else
5637# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 5638#endif
e4dba786 5639
2f3efc97
JH		 5640#if defined(OEMVS)
5641#define NO_ENV_ARRAY_IN_MAIN
5642#endif
5643
4d8076ea 5644/* and finally... */
cceca5ed 5645#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 5646#include "patchlevel.h"
cceca5ed 5647#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 5648
10edeb5d
JH		 5649/* These are used by Perl_pv_escape() and Perl_pv_pretty()
5650 * are here so that they are available throughout the core
5651 * NOTE that even though some are for _escape and some for _pretty
5652 * there must not be any clashes as the flags from _pretty are
5653 * passed straight through to _escape.
5654 */
5655
5656#define PERL_PV_ESCAPE_QUOTE 0x0001
5657#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
5658
5659
5660#define PERL_PV_PRETTY_ELIPSES 0x0002
5661#define PERL_PV_PRETTY_LTGT 0x0004
5662
5663#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
5664
5665#define PERL_PV_ESCAPE_UNI 0x0100
5666#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
5667
5668#define PERL_PV_ESCAPE_ALL 0x1000
5669#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
5670#define PERL_PV_ESCAPE_NOCLEAR 0x4000
5671
5672/* used by pv_display in dump.c*/
5673#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELIPSES|PERL_PV_PRETTY_QUOTE
5674#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELIPSES|PERL_PV_PRETTY_LTGT
5675
5676/*
5677
5678 (KEEP THIS LAST IN perl.h!)
5679
5680 Mention
d460ef45 5681
43999f95 5682 NV_PRESERVES_UV
fe749a9f 5683
fe749a9f
JH		 5684 HAS_MKSTEMP
5685 HAS_MKSTEMPS
5686 HAS_MKDTEMP
5687
49dabb45
JH		 5688 HAS_GETCWD
5689
d59b5429 5690 HAS_MMAP
fe749a9f
JH		 5691 HAS_MPROTECT
5692 HAS_MSYNC
1e8c3fde 5693 HAS_MADVISE
fe749a9f
JH		 5694 HAS_MUNMAP
5695 I_SYSMMAN
5696 Mmap_t
5697
6b4667fc
A		 5698 NVef
5699 NVff
5700 NVgf
5701
4e0554ec 5702 HAS_UALARM
2d736872 5703 HAS_USLEEP
4e0554ec
JH		 5704
5705 HAS_SETITIMER
5706 HAS_GETITIMER
5707
5708 HAS_SENDMSG
5709 HAS_RECVMSG
5710 HAS_READV
5711 HAS_WRITEV
5712 I_SYSUIO
5713 HAS_STRUCT_MSGHDR
5714 HAS_STRUCT_CMSGHDR
5715
2765b840 5716 HAS_NL_LANGINFO
0a7020c9 5717
ae0e3d3b 5718 HAS_DIRFD
2765b840 5719
10edeb5d 5720 so that Configure picks them up.
ab3bbdeb 5721
10edeb5d 5722 (KEEP THIS LAST IN perl.h!)
3df15adc 5723
10edeb5d 5724*/
3df15adc 5725
85e6fe83 5726#endif /* Include guard */
ae0e3d3b 5727
Unnamed repository; edit this file 'description' to name the repository.