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a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
7272f7c1 4 * 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
b0f06652
VK		 37# ifndef USE_CROSS_COMPILE
38# include "config.h"
39# else
40# include "xconfig.h"
41# endif
12ae5dfc 42#endif
0cb96387 43
2c2d71f5
JH		 44/* See L<perlguts/"The Perl API"> for detailed notes on
45 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
46
ac6bedea
JH		 47/* Note that from here --> to <-- the same logic is
48 * repeated in makedef.pl, so be certain to update
49 * both places when editing. */
50
894ccb8c
JH		 51#ifdef PERL_IMPLICIT_SYS
52/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
53 so use slab allocator to avoid lots of MUTEX overhead
54 */
55# ifndef PL_OP_SLAB_ALLOC
56# define PL_OP_SLAB_ALLOC
57# endif
ba979b31
NIS		 58#endif
59
6f4183fe 60#ifdef USE_ITHREADS
acfe0abc 61# if !defined(MULTIPLICITY)
6f4183fe
GS		 62# define MULTIPLICITY
63# endif
64#endif
65
27da23d5
JH		 66#ifdef PERL_GLOBAL_STRUCT_PRIVATE
67# ifndef PERL_GLOBAL_STRUCT
68# define PERL_GLOBAL_STRUCT
69# endif
70#endif
97aff369 71
27da23d5
JH		 72#ifdef PERL_GLOBAL_STRUCT
73# ifndef MULTIPLICITY
74# define MULTIPLICITY
75# endif
76#endif
77
97aff369
JH		 78#ifdef MULTIPLICITY
79# ifndef PERL_IMPLICIT_CONTEXT
80# define PERL_IMPLICIT_CONTEXT
81# endif
82#endif
83
026fd48b
GH		 84/* undef WIN32 when building on Cygwin (for libwin32) - gph */
85#ifdef __CYGWIN__
86# undef WIN32
87# undef _WIN32
88#endif
89
27da23d5
JH		 90#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
91# ifndef SYMBIAN
92# define SYMBIAN
93# endif
94#endif
95
a0fd4948 96#ifdef __SYMBIAN32__
27da23d5
JH		 97# include "symbian/symbian_proto.h"
98#endif
99
100/* Any stack-challenged places. The limit varies (and often
101 * is configurable), but using more than a kilobyte of stack
102 * is usually dubious in these systems. */
a0fd4948 103#if defined(EPOC) || defined(__SYMBIAN32__)
27da23d5
JH		 104/* EPOC/Symbian: need to work around the SDK features. *
105 * On WINS: MS VC5 generates calls to _chkstk, *
106 * if a "large" stack frame is allocated. *
107 * gcc on MARM does not generate calls like these. */
108# define USE_HEAP_INSTEAD_OF_STACK
109#endif
110
111#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 112/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 113#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 114# define USE_REENTRANT_API
115#endif
116
ac6bedea
JH		 117/* <--- here ends the logic shared by perl.h and makedef.pl */
118
af28e889 119/*
6239f2da
JH		 120 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
121 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 122 * __bsdi__ for BSD/OS
123 */
6239f2da 124#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 125# ifndef BSDish
126# define BSDish
127# endif
128#endif
129
27da23d5
JH		 130#ifdef PERL_GLOBAL_STRUCT
131# ifndef PERL_GET_VARS
132# ifdef PERL_GLOBAL_STRUCT_PRIVATE
133 extern struct perl_vars* Perl_GetVarsPrivate();
134# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
135# ifndef PERLIO_FUNCS_CONST
136# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
137# endif
138# else
139# define PERL_GET_VARS() PL_VarsPtr
140# endif
141# endif
142#endif
143
7a89be66 144#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH		 145
146#ifdef PERL_GLOBAL_STRUCT
147# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
148#else
149# define dVAR dNOOP
150#endif
151
c5be433b 152#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 153# ifndef MULTIPLICITY
154# define MULTIPLICITY
c5be433b 155# endif
e8dda941 156# define tTHX PerlInterpreter*
5ba4cab2 157# define pTHX register tTHX my_perl PERL_UNUSED_DECL
3db8f154 158# define aTHX my_perl
27da23d5 159# ifdef PERL_GLOBAL_STRUCT
e8dda941 160# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 161# else
e8dda941 162# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH		 163# endif
164# ifdef PERL_GLOBAL_STRUCT
165# define dTHX dVAR; pTHX = PERL_GET_THX
166# else
167# define dTHX pTHX = PERL_GET_THX
168# endif
c5be433b 169# define pTHX_ pTHX,
c5be433b 170# define aTHX_ aTHX,
4373e329 171# define pTHX_1 2
894356b3
GS		 172# define pTHX_2 3
173# define pTHX_3 4
174# define pTHX_4 5
4373e329
AL		 175# define pTHX_5 6
176# define pTHX_6 7
a3b680e6
AL		 177# define pTHX_7 8
178# define pTHX_8 9
179# define pTHX_9 10
e8dda941
JD		 180# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
181# define PERL_TRACK_MEMPOOL
182# endif
183#else
184# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 185#endif
186
76e3520e
GS		 187#define STATIC static
188#define CPERLscope(x) x
565764a8 189#define CPERLarg void
76e3520e 190#define CPERLarg_
e3b8966e 191#define _CPERLarg
1d583055
GS		 192#define PERL_OBJECT_THIS
193#define _PERL_OBJECT_THIS
194#define PERL_OBJECT_THIS_
312caa8e 195#define CALL_FPTR(fptr) (*fptr)
76e3520e 196
312caa8e 197#define CALLRUNOPS CALL_FPTR(PL_runops)
f9f4320a 198
3ab4a224 199#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 200
3ab4a224
AB		 201#define CALLREGCOMP_ENG(prog, sv, flags) \
202 CALL_FPTR(((prog)->comp))(aTHX_ sv, flags)
f9f4320a 203#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
f2f78491 204 CALL_FPTR((prog)->engine->exec)(aTHX_ (prog),(stringarg),(strend), \
f9f4320a
YO		 205 (strbeg),(minend),(screamer),(data),(flags))
206#define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \
f2f78491 207 CALL_FPTR((prog)->engine->intuit)(aTHX_ (prog), (sv), (strpos), \
f9f4320a
YO		 208 (strend),(flags),(data))
209#define CALLREG_INTUIT_STRING(prog) \
f2f78491 210 CALL_FPTR((prog)->engine->checkstr)(aTHX_ (prog))
f8149455 211
de8c5301 212#define CALLREG_AS_STR(mg,lp,flags,haseval) \
f8149455 213 Perl_reg_stringify(aTHX_ (mg), (lp), (flags), (haseval))
de8c5301 214#define CALLREG_STRINGIFY(mg,lp,flags) CALLREG_AS_STR(mg,lp,flags,0)
f8149455
YO		 215
216#define CALLREGFREE(prog) \
217 Perl_pregfree(aTHX_ (prog))
218
219#define CALLREGFREE_PVT(prog) \
220 if(prog) CALL_FPTR((prog)->engine->free)(aTHX_ (prog))
221
2fdbfb4d
AB		 222#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
223 CALL_FPTR((rx)->engine->numbered_buff_FETCH)(aTHX_ (rx),(paren),(usesv))
93b32b6d 224
2fdbfb4d
AB		 225#define CALLREG_NUMBUF_STORE(rx,paren,value) \
226 CALL_FPTR((rx)->engine->numbered_buff_STORE)(aTHX_ (rx),(paren),(value))
227
228#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
229 CALL_FPTR((rx)->engine->numbered_buff_LENGTH)(aTHX_ (rx),(sv),(paren))
230
231#define CALLREG_NAMEDBUF_FETCH(rx,name,flags) \
232 CALL_FPTR((rx)->engine->named_buff_FETCH)(aTHX_ (rx),(name),(flags))
93b32b6d 233
49d7dfbc
AB		 234#define CALLREG_PACKAGE(rx) \
235 CALL_FPTR((rx)->engine->qr_package)(aTHX_ (rx))
93b32b6d 236
f9f4320a
YO		 237#if defined(USE_ITHREADS)
238#define CALLREGDUPE(prog,param) \
f8149455
YO		 239 Perl_re_dup(aTHX_ (prog),(param))
240
241#define CALLREGDUPE_PVT(prog,param) \
f2f78491 242 (prog ? CALL_FPTR((prog)->engine->dupe)(aTHX_ (prog),(param)) \
f9f4320a
YO		 243 : (REGEXP *)NULL)
244#endif
14dd3ad8 245
a20207d7 246
bcdf7404 247
a20207d7
YO		 248
249
5ba4cab2
SH		 250/*
251 * Because of backward compatibility reasons the PERL_UNUSED_DECL
252 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
253 *
254 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 255 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 256 * marking unused variables (they need e.g. a #pragma) and therefore
257 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
258 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
259 *
260 */
1266ad8c 261
9969cdde 262#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 263# ifdef __cplusplus
5ba4cab2 264# define PERL_UNUSED_DECL
5b2bd0a5 265# else
5ba4cab2 266# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 267# endif
268#endif
44dbb695 269
5b2bd0a5 270#ifndef PERL_UNUSED_DECL
34659ad4 271# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 272# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 273# else
5ba4cab2 274# define PERL_UNUSED_DECL
b79c357a 275# endif
5b2bd0a5
AMS		 276#endif
277
349b520e
DM		 278/* gcc -Wall:
279 * for silencing unused variables that are actually used most of the time,
a0288114 280 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 281 */
53c1dcc0 282#ifndef PERL_UNUSED_ARG
c99ffe5e 283# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 284# include <note.h>
53c1dcc0 285# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 286# else
53c1dcc0 287# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 288# endif
289#endif
53c1dcc0
AL		 290#ifndef PERL_UNUSED_VAR
291# define PERL_UNUSED_VAR(x) ((void)x)
292#endif
ad73156c 293
96a5add6
AL		 294#ifdef USE_ITHREADS
295# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
296#else
297# define PERL_UNUSED_CONTEXT
298#endif
299
6f207bd3 300#define NOOP /*EMPTY*/(void)0
6b484a99
JH		 301#if !defined(HASATTRIBUTE_UNUSED) && defined(__cplusplus)
302#define dNOOP /*EMPTY*/(void)0 /* Older g++ has no __attribute((unused))__ */
303#else
6f207bd3 304#define dNOOP extern int /*@unused@*/ Perl___notused PERL_UNUSED_DECL
6b484a99 305#endif
71be2cbc 306
0cb96387 307#ifndef pTHX
e8dda941
JD		 308/* Don't bother defining tTHX and sTHX; using them outside
309 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
310 */
0cb96387
GS		 311# define pTHX void
312# define pTHX_
0cb96387
GS		 313# define aTHX
314# define aTHX_
0cb96387
GS		 315# define dTHXa(a) dNOOP
316# define dTHX dNOOP
894356b3
GS		 317# define pTHX_1 1
318# define pTHX_2 2
319# define pTHX_3 3
320# define pTHX_4 4
3d42dc86
RGS		 321# define pTHX_5 5
322# define pTHX_6 6
a3b680e6
AL		 323# define pTHX_7 7
324# define pTHX_8 8
325# define pTHX_9 9
0cb96387
GS		 326#endif
327
27da23d5
JH		 328#ifndef dVAR
329# define dVAR dNOOP
330#endif
331
b4f7f263
GS		 332/* these are only defined for compatibility; should not be used internally */
333#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 334# define pTHXo pTHX
335# define pTHXo_ pTHX_
0cb96387
GS		 336# define aTHXo aTHX
337# define aTHXo_ aTHX_
c5be433b 338# define dTHXo dTHX
71d280e3 339# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 340#endif
341
342#ifndef pTHXx
343# define pTHXx register PerlInterpreter *my_perl
344# define pTHXx_ pTHXx,
0cb96387
GS		 345# define aTHXx my_perl
346# define aTHXx_ aTHXx,
c5be433b 347# define dTHXx dTHX
22c35a8c 348#endif
71be2cbc 349
1de7c2ac
GS		 350/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
351 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
352 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
353#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 354# ifdef PERL_GLOBAL_STRUCT_PRIVATE
355# define dTHXs dVAR; dTHX
356# else
357# define dTHXs dTHX
358# endif
1de7c2ac 359#else
27da23d5
JH		 360# ifdef PERL_GLOBAL_STRUCT_PRIVATE
361# define dTHXs dVAR
362# else
363# define dTHXs dNOOP
364# endif
1de7c2ac
GS		 365#endif
366
326b05e3
GS		 367#undef START_EXTERN_C
368#undef END_EXTERN_C
369#undef EXTERN_C
32f822de
GS		 370#ifdef __cplusplus
371# define START_EXTERN_C extern "C" {
372# define END_EXTERN_C }
373# define EXTERN_C extern "C"
374#else
d460ef45
NIS		 375# define START_EXTERN_C
376# define END_EXTERN_C
73c4f7a1 377# define EXTERN_C extern
32f822de
GS		 378#endif
379
27da23d5
JH		 380/* Some platforms require marking function declarations
381 * for them to be exportable. Used in perlio.h, proto.h
382 * is handled either by the makedef.pl or by defining the
383 * PERL_CALLCONV to be something special. See also the
384 * definition of XS() in XSUB.h. */
385#ifndef PERL_EXPORT_C
a0c21aa1
JH		 386# ifdef __cplusplus
387# define PERL_EXPORT_C extern "C"
388# else
389# define PERL_EXPORT_C extern
390# endif
27da23d5
JH		 391#endif
392#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 393# ifdef __cplusplus
394# define PERL_XS_EXPORT_C extern "C"
395# else
396# define PERL_XS_EXPORT_C
397# endif
27da23d5
JH		 398#endif
399
462e5cf6
MB		 400#ifdef OP_IN_REGISTER
401# ifdef __GNUC__
402# define stringify_immed(s) #s
403# define stringify(s) stringify_immed(s)
d1ca3daa 404register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 405# endif
406#endif
407
e5afc1ae 408/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab
JH		 409 * g++ allows them but seems to have problems with them
410 * (insane errors ensue). */
411#if defined(PERL_GCC_PEDANTIC) || (defined(__GNUC__) && defined(__cplusplus))
5b692037 412# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 413# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
414# endif
5dc8bdac
JH		 415#endif
416
5b692037
JH		 417#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
418# ifndef PERL_USE_GCC_BRACE_GROUPS
419# define PERL_USE_GCC_BRACE_GROUPS
420# endif
421#endif
422
728e2803 423/*
424 * STMT_START { statements; } STMT_END;
425 * can be used as a single statement, as in
426 * if (x) STMT_START { ... } STMT_END; else ...
427 *
428 * Trying to select a version that gives no warnings...
429 */
430#if !(defined(STMT_START) && defined(STMT_END))
5b692037 431# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 432# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 433# define STMT_END )
434# else
435 /* Now which other defined()s do we need here ??? */
93189314 436# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 437# define STMT_START if (1)
438# define STMT_END else (void)0
439# else
440# define STMT_START do
441# define STMT_END while (0)
442# endif
443# endif
444#endif
445
0cb96387 446#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 447#define WITH_THR(s) WITH_THX(s)
ea0efc06 448
d6f9c181
JH		 449#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
450# define BYTEORDER 0x1234
79072805
LW		 451#endif
452
453/* Overall memory policy? */
454#ifndef CONSERVATIVE
455# define LIBERAL 1
456#endif
457
8ada0baa
JH		 458#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
459#define ASCIIish
460#else
461#undef ASCIIish
462#endif
463
79072805
LW		 464/*
465 * The following contortions are brought to you on behalf of all the
466 * standards, semi-standards, de facto standards, not-so-de-facto standards
467 * of the world, as well as all the other botches anyone ever thought of.
468 * The basic theory is that if we work hard enough here, the rest of the
469 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
470 */
ac58e20f 471
ee0007ab 472/* define this once if either system, instead of cluttering up the src */
2986a63f 473#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 474#define DOSISH 1
475#endif
476
fb38d079 477#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 478# define STANDARD_C 1
479#endif
480
9969cdde 481#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 482# define DONT_DECLARE_STD 1
483#endif
484
352d5a3a 485#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 486# ifdef __cplusplus
cb69f87a 487# define VOL /* to temporarily suppress warnings */
79072805
LW		 488# else
489# define VOL volatile
490# endif
663a0e37 491#else
79072805 492# define VOL
663a0e37
LW		 493#endif
494
3280af22
NIS		 495#define TAINT (PL_tainted = TRUE)
496#define TAINT_NOT (PL_tainted = FALSE)
497#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
498#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 499#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 500
d460ef45 501/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 502 defines move there? If so, I could simplify this a lot. --AD 9/96.
503*/
504/* Process group stuff changed from traditional BSD to POSIX.
505 perlfunc.pod documents the traditional BSD-style syntax, so we'll
506 try to preserve that, if possible.
507*/
508#ifdef HAS_SETPGID
509# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 510#else
a6e633de 511# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
512# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
513# else
514# ifdef HAS_SETPGRP2 /* DG/UX */
515# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
516# endif
517# endif
518#endif
519#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
520# define HAS_SETPGRP /* Well, effectively it does . . . */
521#endif
522
523/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
524 our life easier :-) so we'll try it.
525*/
526#ifdef HAS_GETPGID
527# define BSD_GETPGRP(pid) getpgid((pid))
528#else
529# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
530# define BSD_GETPGRP(pid) getpgrp((pid))
531# else
532# ifdef HAS_GETPGRP2 /* DG/UX */
533# define BSD_GETPGRP(pid) getpgrp2((pid))
534# endif
535# endif
536#endif
537#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
538# define HAS_GETPGRP /* Well, effectively it does . . . */
539#endif
540
d460ef45 541/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 542 have different behaviors, but perl.h used to define USE_BSDPGRP
543 (prior to 5.003_05) so some extension might depend on it.
544*/
545#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
546# ifndef USE_BSDPGRP
547# define USE_BSDPGRP
548# endif
663a0e37
LW		 549#endif
550
8ac5a1fe
MH		 551/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
552 pthread.h must be included before all other header files.
553*/
3db8f154 554#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 555# include <pthread.h>
556#endif
557
760ac839
LW		 558#ifndef _TYPES_ /* If types.h defines this it's easy. */
559# ifndef major /* Does everyone's types.h define this? */
560# include <sys/types.h>
c07a80fd 561# endif
663a0e37
LW		 562#endif
563
760ac839
LW		 564#ifdef __cplusplus
565# ifndef I_STDARG
566# define I_STDARG 1
567# endif
568#endif
569
570#ifdef I_STDARG
571# include <stdarg.h>
572#else
573# ifdef I_VARARGS
574# include <varargs.h>
575# endif
576#endif
577
4633a7c4 578#ifdef USE_NEXT_CTYPE
0c30d9ec 579
092bebab
JH		 580#if NX_CURRENT_COMPILER_RELEASE >= 500
581# include <bsd/ctypes.h>
582#else
583# if NX_CURRENT_COMPILER_RELEASE >= 400
584# include <objc/NXCType.h>
585# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
586# include <appkit/NXCType.h>
587# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
588#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 589
590#else /* !USE_NEXT_CTYPE */
fe14fcc3 591#include <ctype.h>
0c30d9ec 592#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 593
594#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
595#undef METHOD
a0d0e21e
LW		 596#endif
597
12ae5dfc
JH		 598#ifdef PERL_MICRO
599# define NO_LOCALE
600#endif
601
4633a7c4 602#ifdef I_LOCALE
36477c24 603# include <locale.h>
4633a7c4
LW		 604#endif
605
36477c24 606#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
607# define USE_LOCALE
608# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
609 && defined(HAS_STRXFRM)
610# define USE_LOCALE_COLLATE
611# endif
612# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
613# define USE_LOCALE_CTYPE
614# endif
615# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
616# define USE_LOCALE_NUMERIC
617# endif
618#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 619
fe14fcc3 620#include <setjmp.h>
79072805 621
a0d0e21e 622#ifdef I_SYS_PARAM
79072805
LW		 623# ifdef PARAM_NEEDS_TYPES
624# include <sys/types.h>
625# endif
626# include <sys/param.h>
352d5a3a 627#endif
79072805 628
79072805 629/* Use all the "standard" definitions? */
a0d0e21e 630#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 631# include <stdlib.h>
ff68c719 632#endif
03a14243 633
3f270f98
JH		 634/* If this causes problems, set i_unistd=undef in the hint file. */
635#ifdef I_UNISTD
636# include <unistd.h>
637#endif
638
9969cdde 639#ifdef __SYMBIAN32__
27da23d5
JH		 640# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
641#endif
642
7114a2d2 643#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 644EXTERN_C int syscall(int, ...);
2ef53570
JH		 645#endif
646
7114a2d2 647#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 648EXTERN_C int usleep(unsigned int);
2ef53570
JH		 649#endif
650
9a34ef1d
GS		 651#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
652# define MYSWAP
653#endif
654
1109a392
MHM		 655#ifdef PERL_CORE
656
657/* macros for correct constant construction */
658# if INTSIZE >= 2
659# define U16_CONST(x) ((U16)x##U)
660# else
661# define U16_CONST(x) ((U16)x##UL)
662# endif
663
664# if INTSIZE >= 4
665# define U32_CONST(x) ((U32)x##U)
666# else
667# define U32_CONST(x) ((U32)x##UL)
668# endif
669
670# ifdef HAS_QUAD
671# if INTSIZE >= 8
672# define U64_CONST(x) ((U64)x##U)
673# elif LONGSIZE >= 8
674# define U64_CONST(x) ((U64)x##UL)
675# elif QUADKIND == QUAD_IS_LONG_LONG
676# define U64_CONST(x) ((U64)x##ULL)
677# else /* best guess we can make */
678# define U64_CONST(x) ((U64)x##UL)
679# endif
680# endif
681
682/* byte-swapping functions for big-/little-endian conversion */
683# define _swab_16_(x) ((U16)( \
684 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
685 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
686
687# define _swab_32_(x) ((U32)( \
688 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
689 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
690 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
691 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
692
693# ifdef HAS_QUAD
694# define _swab_64_(x) ((U64)( \
695 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
696 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
697 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
698 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
699 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
700 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
701 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
702 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
703# endif
704
705/*----------------------------------------------------------------------------*/
706# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
707/*----------------------------------------------------------------------------*/
708# define my_htole16(x) (x)
709# define my_letoh16(x) (x)
710# define my_htole32(x) (x)
711# define my_letoh32(x) (x)
712# define my_htobe16(x) _swab_16_(x)
713# define my_betoh16(x) _swab_16_(x)
714# define my_htobe32(x) _swab_32_(x)
715# define my_betoh32(x) _swab_32_(x)
716# ifdef HAS_QUAD
717# define my_htole64(x) (x)
718# define my_letoh64(x) (x)
719# define my_htobe64(x) _swab_64_(x)
720# define my_betoh64(x) _swab_64_(x)
721# endif
722# define my_htoles(x) (x)
723# define my_letohs(x) (x)
724# define my_htolei(x) (x)
725# define my_letohi(x) (x)
726# define my_htolel(x) (x)
727# define my_letohl(x) (x)
728# if SHORTSIZE == 1
729# define my_htobes(x) (x)
730# define my_betohs(x) (x)
731# elif SHORTSIZE == 2
732# define my_htobes(x) _swab_16_(x)
733# define my_betohs(x) _swab_16_(x)
734# elif SHORTSIZE == 4
735# define my_htobes(x) _swab_32_(x)
736# define my_betohs(x) _swab_32_(x)
737# elif SHORTSIZE == 8
738# define my_htobes(x) _swab_64_(x)
739# define my_betohs(x) _swab_64_(x)
740# else
741# define PERL_NEED_MY_HTOBES
742# define PERL_NEED_MY_BETOHS
743# endif
744# if INTSIZE == 1
745# define my_htobei(x) (x)
746# define my_betohi(x) (x)
747# elif INTSIZE == 2
748# define my_htobei(x) _swab_16_(x)
749# define my_betohi(x) _swab_16_(x)
750# elif INTSIZE == 4
751# define my_htobei(x) _swab_32_(x)
752# define my_betohi(x) _swab_32_(x)
753# elif INTSIZE == 8
754# define my_htobei(x) _swab_64_(x)
755# define my_betohi(x) _swab_64_(x)
756# else
757# define PERL_NEED_MY_HTOBEI
758# define PERL_NEED_MY_BETOHI
759# endif
760# if LONGSIZE == 1
761# define my_htobel(x) (x)
762# define my_betohl(x) (x)
763# elif LONGSIZE == 2
764# define my_htobel(x) _swab_16_(x)
765# define my_betohl(x) _swab_16_(x)
766# elif LONGSIZE == 4
767# define my_htobel(x) _swab_32_(x)
768# define my_betohl(x) _swab_32_(x)
769# elif LONGSIZE == 8
770# define my_htobel(x) _swab_64_(x)
771# define my_betohl(x) _swab_64_(x)
772# else
773# define PERL_NEED_MY_HTOBEL
774# define PERL_NEED_MY_BETOHL
775# endif
776# define my_htolen(p,n) NOOP
777# define my_letohn(p,n) NOOP
778# define my_htoben(p,n) my_swabn(p,n)
779# define my_betohn(p,n) my_swabn(p,n)
780/*----------------------------------------------------------------------------*/
781# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
782/*----------------------------------------------------------------------------*/
783# define my_htobe16(x) (x)
784# define my_betoh16(x) (x)
785# define my_htobe32(x) (x)
786# define my_betoh32(x) (x)
787# define my_htole16(x) _swab_16_(x)
788# define my_letoh16(x) _swab_16_(x)
789# define my_htole32(x) _swab_32_(x)
790# define my_letoh32(x) _swab_32_(x)
791# ifdef HAS_QUAD
792# define my_htobe64(x) (x)
793# define my_betoh64(x) (x)
794# define my_htole64(x) _swab_64_(x)
795# define my_letoh64(x) _swab_64_(x)
796# endif
797# define my_htobes(x) (x)
798# define my_betohs(x) (x)
799# define my_htobei(x) (x)
800# define my_betohi(x) (x)
801# define my_htobel(x) (x)
802# define my_betohl(x) (x)
803# if SHORTSIZE == 1
804# define my_htoles(x) (x)
805# define my_letohs(x) (x)
806# elif SHORTSIZE == 2
807# define my_htoles(x) _swab_16_(x)
808# define my_letohs(x) _swab_16_(x)
809# elif SHORTSIZE == 4
810# define my_htoles(x) _swab_32_(x)
811# define my_letohs(x) _swab_32_(x)
812# elif SHORTSIZE == 8
813# define my_htoles(x) _swab_64_(x)
814# define my_letohs(x) _swab_64_(x)
815# else
816# define PERL_NEED_MY_HTOLES
817# define PERL_NEED_MY_LETOHS
818# endif
819# if INTSIZE == 1
820# define my_htolei(x) (x)
821# define my_letohi(x) (x)
822# elif INTSIZE == 2
823# define my_htolei(x) _swab_16_(x)
824# define my_letohi(x) _swab_16_(x)
825# elif INTSIZE == 4
826# define my_htolei(x) _swab_32_(x)
827# define my_letohi(x) _swab_32_(x)
828# elif INTSIZE == 8
829# define my_htolei(x) _swab_64_(x)
830# define my_letohi(x) _swab_64_(x)
831# else
832# define PERL_NEED_MY_HTOLEI
833# define PERL_NEED_MY_LETOHI
834# endif
835# if LONGSIZE == 1
836# define my_htolel(x) (x)
837# define my_letohl(x) (x)
838# elif LONGSIZE == 2
839# define my_htolel(x) _swab_16_(x)
840# define my_letohl(x) _swab_16_(x)
841# elif LONGSIZE == 4
842# define my_htolel(x) _swab_32_(x)
843# define my_letohl(x) _swab_32_(x)
844# elif LONGSIZE == 8
845# define my_htolel(x) _swab_64_(x)
846# define my_letohl(x) _swab_64_(x)
847# else
848# define PERL_NEED_MY_HTOLEL
849# define PERL_NEED_MY_LETOHL
850# endif
851# define my_htolen(p,n) my_swabn(p,n)
852# define my_letohn(p,n) my_swabn(p,n)
853# define my_htoben(p,n) NOOP
854# define my_betohn(p,n) NOOP
855/*----------------------------------------------------------------------------*/
856# else /* all other byte-orders */
857/*----------------------------------------------------------------------------*/
858# define PERL_NEED_MY_HTOLE16
859# define PERL_NEED_MY_LETOH16
860# define PERL_NEED_MY_HTOBE16
861# define PERL_NEED_MY_BETOH16
862# define PERL_NEED_MY_HTOLE32
863# define PERL_NEED_MY_LETOH32
864# define PERL_NEED_MY_HTOBE32
865# define PERL_NEED_MY_BETOH32
866# ifdef HAS_QUAD
867# define PERL_NEED_MY_HTOLE64
868# define PERL_NEED_MY_LETOH64
869# define PERL_NEED_MY_HTOBE64
870# define PERL_NEED_MY_BETOH64
871# endif
872# define PERL_NEED_MY_HTOLES
873# define PERL_NEED_MY_LETOHS
874# define PERL_NEED_MY_HTOBES
875# define PERL_NEED_MY_BETOHS
876# define PERL_NEED_MY_HTOLEI
877# define PERL_NEED_MY_LETOHI
878# define PERL_NEED_MY_HTOBEI
879# define PERL_NEED_MY_BETOHI
880# define PERL_NEED_MY_HTOLEL
881# define PERL_NEED_MY_LETOHL
882# define PERL_NEED_MY_HTOBEL
883# define PERL_NEED_MY_BETOHL
884/*----------------------------------------------------------------------------*/
885# endif /* end of byte-order macros */
886/*----------------------------------------------------------------------------*/
887
9c17f24a
NC		 888/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
889 at least on FreeBSD. YMMV, so experiment. */
890#ifndef PERL_ARENA_SIZE
891#define PERL_ARENA_SIZE 4080
892#endif
893
1109a392
MHM		 894#endif /* PERL_CORE */
895
bdf3085f
NC		 896/* We no longer default to creating a new SV for GvSV.
897 Do this before embed. */
898#ifndef PERL_CREATE_GVSV
7459f06b
NC		 899# ifndef PERL_DONT_CREATE_GVSV
900# define PERL_DONT_CREATE_GVSV
901# endif
bdf3085f
NC		 902#endif
903
ca0c25f6
NC		 904#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
905#define PERL_USES_PL_PIDSTATUS
906#endif
907
a62746fa
RGS		 908#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__) && !defined(MACOS_TRADITIONAL)
909#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
910#endif
911
66a93824
NIS		 912/* Cannot include embed.h here on Win32 as win32.h has not
913 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
914 */
96e176bf 915#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 916# include "embed.h"
eb8433b7
NC		 917# ifndef PERL_MAD
918# undef op_getmad
b3f24c00 919# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 920# endif
cea2e8a9
GS		 921#endif
922
c31fac66
GS		 923#define MEM_SIZE Size_t
924
1936d2a7
NC		 925/* Round all values passed to malloc up, by default to a multiple of
926 sizeof(size_t)
927*/
928#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
929#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
930#endif
931
51371543
GS		 932#if defined(STANDARD_C) && defined(I_STDDEF)
933# include <stddef.h>
934# define STRUCT_OFFSET(s,m) offsetof(s,m)
935#else
936# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
937#endif
938
9969cdde 939#ifndef __SYMBIAN32__
27da23d5
JH		 940# if defined(I_STRING) || defined(__cplusplus)
941# include <string.h>
942# else
943# include <strings.h>
944# endif
51371543
GS		 945#endif
946
55497cff 947/* This comes after <stdlib.h> so we don't try to change the standard
948 * library prototypes; we'll use our own in proto.h instead. */
03a14243 949
4633a7c4 950#ifdef MYMALLOC
86058a2d 951# ifdef PERL_POLLUTE_MALLOC
ee13e175 952# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 953# define Perl_malloc malloc
954# define Perl_calloc calloc
955# define Perl_realloc realloc
956# define Perl_mfree free
ee13e175 957# endif
86058a2d
GS		 958# else
959# define EMBEDMYMALLOC /* for compatibility */
960# endif
827e134a 961
651b9576
GS		 962# define safemalloc Perl_malloc
963# define safecalloc Perl_calloc
964# define saferealloc Perl_realloc
965# define safefree Perl_mfree
22f7c9c9
JH		 966# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
967 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
968 code; \
969 } STMT_END
970# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
971 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
972# define panic_write2(s) write(2, s, strlen(s))
973# define CHECK_MALLOC_TAINT(newval) \
974 CHECK_MALLOC_TOO_LATE_FOR_( \
975 if (newval) { \
976 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
977 exit(1); })
22f7c9c9 978# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 979 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 980 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
981 }} STMT_END;
f2517201
GS		 982#else /* MYMALLOC */
983# define safemalloc safesysmalloc
984# define safecalloc safesyscalloc
985# define saferealloc safesysrealloc
986# define safefree safesysfree
22f7c9c9
JH		 987# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
988# define CHECK_MALLOC_TAINT(newval) ((void)0)
989# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 990#endif /* MYMALLOC */
4633a7c4 991
27da23d5 992#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		 993#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
994#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
995#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
996
a0d0e21e
LW		 997#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
998#define strchr index
999#define strrchr rindex
1000#endif
1001
16d20bd9
AD		 1002#ifdef I_MEMORY
1003# include <memory.h>
1004#endif
1005
fe14fcc3 1006#ifdef HAS_MEMCPY
85e6fe83 1007# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1008# ifndef memcpy
20ce7b12 1009 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 1010# endif
1011# endif
1012#else
1013# ifndef memcpy
1014# ifdef HAS_BCOPY
1015# define memcpy(d,s,l) bcopy(s,d,l)
1016# else
1017# define memcpy(d,s,l) my_bcopy(s,d,l)
1018# endif
1019# endif
1020#endif /* HAS_MEMCPY */
fe14fcc3 1021
ee0007ab 1022#ifdef HAS_MEMSET
85e6fe83 1023# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1024# ifndef memset
20ce7b12 1025 extern char *memset (char*, int, int);
ee0007ab
LW		 1026# endif
1027# endif
ee0007ab 1028#else
12ae5dfc 1029# undef memset
fc36a67e 1030# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1031#endif /* HAS_MEMSET */
1032
85e6fe83 1033#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1034# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1035# define memmove(d,s,l) bcopy(s,d,l)
1036# else
2304df62 1037# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1038# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1039# else
79072805 1040# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1041# endif
352d5a3a 1042# endif
d9d8d8de 1043#endif
ee0007ab 1044
36477c24 1045#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1046# undef HAS_MEMCMP
1047#endif
1048
1049#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1050# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1051# ifndef memcmp
20ce7b12 1052 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1053# endif
1054# endif
36477c24 1055# ifdef BUGGY_MSC
7e4e8c89 1056# pragma function(memcmp)
36477c24 1057# endif
ee0007ab
LW		 1058#else
1059# ifndef memcmp
ecfc5424 1060# define memcmp my_memcmp
352d5a3a 1061# endif
36477c24 1062#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1063
fc36a67e 1064#ifndef memzero
c635e13b 1065# ifdef HAS_MEMSET
1066# define memzero(d,l) memset(d,0,l)
79072805 1067# else
c635e13b 1068# ifdef HAS_BZERO
1069# define memzero(d,l) bzero(d,l)
79072805 1070# else
fc36a67e 1071# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1072# endif
1073# endif
d9d8d8de 1074#endif
378cc40b 1075
2f42fcb0 1076#ifndef PERL_MICRO
0f27ced1
JH		 1077#ifndef memchr
1078# ifndef HAS_MEMCHR
1079# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1080# endif
1081#endif
2f42fcb0 1082#endif
0f27ced1 1083
36477c24 1084#ifndef HAS_BCMP
1085# ifndef bcmp
1086# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1087# endif
36477c24 1088#endif /* !HAS_BCMP */
378cc40b 1089
ae986130 1090#ifdef I_NETINET_IN
79072805 1091# include <netinet/in.h>
ae986130
LW		 1092#endif
1093
28e8609d
JH		 1094#ifdef I_ARPA_INET
1095# include <arpa/inet.h>
1096#endif
1097
84902520
TB		 1098#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1099/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1100 * (the neo-BSD seem to do this). */
1101# undef SF_APPEND
1102#endif
1103
1aef975c 1104#ifdef I_SYS_STAT
84902520 1105# include <sys/stat.h>
1aef975c 1106#endif
79072805 1107
a0d0e21e
LW		 1108/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1109 like UTekV) are broken, sometimes giving false positives. Undefine
1110 them here and let the code below set them to proper values.
1111
1112 The ghs macro stands for GreenHills Software C-1.8.5 which
1113 is the C compiler for sysV88 and the various derivatives.
1114 This header file bug is corrected in gcc-2.5.8 and later versions.
1115 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1116
1117#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1118# undef S_ISDIR
1119# undef S_ISCHR
1120# undef S_ISBLK
1121# undef S_ISREG
1122# undef S_ISFIFO
1123# undef S_ISLNK
ee0007ab 1124#endif
135863df 1125
663a0e37
LW		 1126#ifdef I_TIME
1127# include <time.h>
ffed7fef 1128#endif
663a0e37 1129
fe14fcc3 1130#ifdef I_SYS_TIME
85e6fe83 1131# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1132# define KERNEL
1133# endif
1134# include <sys/time.h>
85e6fe83 1135# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1136# undef KERNEL
1137# endif
a687059c 1138#endif
135863df 1139
55497cff 1140#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1141# include <sys/times.h>
d9d8d8de 1142#endif
8d063cd8 1143
fe14fcc3 1144#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1145# undef HAS_STRERROR
663a0e37
LW		 1146#endif
1147
1148#include <errno.h>
1e743fda 1149
acfe0abc 1150#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1151# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1152#endif
1153
8cfab5ff
JH		 1154/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1155 * This is important for using IPv6.
1156 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1157 * a bad idea since it breaks send() and recv(). */
1158#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1159# define _SOCKADDR_LEN
1160#endif
1161
8d3f517a 1162#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1163# include <sys/socket.h>
1164# if defined(USE_SOCKS) && defined(I_SOCKS)
1165# if !defined(INCLUDE_PROTOTYPES)
1166# define INCLUDE_PROTOTYPES /* for <socks.h> */
1167# define PERL_SOCKS_NEED_PROTOTYPES
1168# endif
1169# include <socks.h>
1170# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1171# undef INCLUDE_PROTOTYPES
1172# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1173# endif
d460ef45 1174# endif
1e743fda 1175# ifdef I_NETDB
2986a63f
JH		 1176# ifdef NETWARE
1177# include<stdio.h>
1178# endif
1e743fda
JH		 1179# include <netdb.h>
1180# endif
1181# ifndef ENOTSOCK
1182# ifdef I_NET_ERRNO
1183# include <net/errno.h>
1184# endif
1185# endif
1186#endif
1187
fa0a29af 1188/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1189 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1190 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1191#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1192# if defined(__THROW) && defined(__GLIBC__)
1193int sockatmark(int) __THROW;
1194# else
2ef53570 1195int sockatmark(int);
29820b6d 1196# endif
2ef53570
JH		 1197#endif
1198
7e827271 1199#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		 1200EXTERN_C int fchdir(int);
1201EXTERN_C int flock(int, int);
1202EXTERN_C int fseeko(FILE *, off_t, int);
1203EXTERN_C off_t ftello(FILE *);
1204#endif
1205
7e827271 1206#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1207EXTERN_C char *crypt(const char *, const char *);
7e827271 1208EXTERN_C char **environ;
1ccb7c8d
JH		 1209#endif
1210
83a6ff2e 1211#if defined(__cplusplus)
944c4fda 1212# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1213EXTERN_C char **environ;
83a6ff2e 1214# elif defined(__CYGWIN__)
667e2948
SP		 1215EXTERN_C char *crypt(const char *, const char *);
1216#endif
83a6ff2e 1217#endif
667e2948 1218
1e743fda
JH		 1219#ifdef SETERRNO
1220# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1221#endif
f86702cc 1222
1223#ifdef VMS
1224# define SETERRNO(errcode,vmserrcode) \
1225 STMT_START { \
1226 set_errno(errcode); \
1227 set_vaxc_errno(vmserrcode); \
1228 } STMT_END
93189314
JH		 1229# define LIB_INVARG LIB$_INVARG
1230# define RMS_DIR RMS$_DIR
1231# define RMS_FAC RMS$_FAC
1232# define RMS_FEX RMS$_FEX
1233# define RMS_FNF RMS$_FNF
1234# define RMS_IFI RMS$_IFI
1235# define RMS_ISI RMS$_ISI
1236# define RMS_PRV RMS$_PRV
1237# define SS_ACCVIO SS$_ACCVIO
1238# define SS_DEVOFFLINE SS$_DEVOFFLINE
1239# define SS_IVCHAN SS$_IVCHAN
1240# define SS_NORMAL SS$_NORMAL
748a9306 1241#else
aba27d88 1242# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 1243# define LIB_INVARG 0
1244# define RMS_DIR 0
1245# define RMS_FAC 0
1246# define RMS_FEX 0
1247# define RMS_FNF 0
1248# define RMS_IFI 0
1249# define RMS_ISI 0
1250# define RMS_PRV 0
1251# define SS_ACCVIO 0
1252# define SS_DEVOFFLINE 0
1253# define SS_IVCHAN 0
1254# define SS_NORMAL 0
748a9306 1255#endif
ed6116ce 1256
3db8f154 1257#define ERRSV GvSV(PL_errgv)
e203899d
NC		 1258/* FIXME? Change the assignments to PL_defgv to instantiate GvSV? */
1259#define DEFSV GvSVn(PL_defgv)
3db8f154 1260#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1261
98eae8f5
GS		 1262#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1263
55497cff 1264#ifndef errno
5ff3f7a4
GS		 1265 extern int errno; /* ANSI allows errno to be an lvalue expr.
1266 * For example in multithreaded environments
1267 * something like this might happen:
1268 * extern int *_errno(void);
1269 * #define errno (*_errno()) */
d9d8d8de 1270#endif
663a0e37 1271
2304df62 1272#ifdef HAS_STRERROR
a0d0e21e 1273# ifdef VMS
20ce7b12 1274 char *strerror (int,...);
a0d0e21e 1275# else
68dc0745 1276#ifndef DONT_DECLARE_STD
20ce7b12 1277 char *strerror (int);
68dc0745 1278#endif
a0d0e21e 1279# endif
2304df62
AD		 1280# ifndef Strerror
1281# define Strerror strerror
1282# endif
1283#else
1284# ifdef HAS_SYS_ERRLIST
79072805
LW		 1285 extern int sys_nerr;
1286 extern char *sys_errlist[];
2304df62
AD		 1287# ifndef Strerror
1288# define Strerror(e) \
79072805 1289 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1290# endif
79072805 1291# endif
35c8bce7 1292#endif
663a0e37 1293
2304df62 1294#ifdef I_SYS_IOCTL
79072805
LW		 1295# ifndef _IOCTL_
1296# include <sys/ioctl.h>
1297# endif
a687059c
LW		 1298#endif
1299
ee0007ab 1300#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1301# ifdef HAS_SOCKETPAIR
1302# undef HAS_SOCKETPAIR
1303# endif
2304df62
AD		 1304# ifdef I_NDBM
1305# undef I_NDBM
79072805 1306# endif
a687059c
LW		 1307#endif
1308
02fc2eee
NC		 1309#ifndef HAS_SOCKETPAIR
1310# ifdef HAS_SOCKET
1311# define socketpair Perl_my_socketpair
1312# endif
1313#endif
1314
a687059c 1315#if INTSIZE == 2
79072805
LW		 1316# define htoni htons
1317# define ntohi ntohs
a687059c 1318#else
79072805
LW		 1319# define htoni htonl
1320# define ntohi ntohl
a687059c
LW		 1321#endif
1322
a0d0e21e 1323/* Configure already sets Direntry_t */
35c8bce7 1324#if defined(I_DIRENT)
663a0e37 1325# include <dirent.h>
8f1f23e8
W		 1326 /* NeXT needs dirent + sys/dir.h */
1327# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1328# include <sys/dir.h>
1329# endif
ae986130 1330#else
fe14fcc3 1331# ifdef I_SYS_NDIR
79a0689e 1332# include <sys/ndir.h>
663a0e37 1333# else
fe14fcc3 1334# ifdef I_SYS_DIR
79a0689e
LW		 1335# ifdef hp9000s500
1336# include <ndir.h> /* may be wrong in the future */
1337# else
1338# include <sys/dir.h>
1339# endif
663a0e37
LW		 1340# endif
1341# endif
4633a7c4 1342#endif
a687059c 1343
12ae5dfc
JH		 1344#ifdef PERL_MICRO
1345# ifndef DIR
1346# define DIR void
1347# endif
1348#endif
1349
352d5a3a
LW		 1350#ifdef FPUTS_BOTCH
1351/* work around botch in SunOS 4.0.1 and 4.0.2 */
1352# ifndef fputs
79072805 1353# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1354# endif
1355#endif
1356
c623bd54
LW		 1357/*
1358 * The following gobbledygook brought to you on behalf of __STDC__.
1359 * (I could just use #ifndef __STDC__, but this is more bulletproof
1360 * in the face of half-implementations.)
1361 */
1362
7114a2d2 1363#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1364#include <sys/mode.h>
1365#endif
1366
c623bd54
LW		 1367#ifndef S_IFMT
1368# ifdef _S_IFMT
1369# define S_IFMT _S_IFMT
1370# else
1371# define S_IFMT 0170000
1372# endif
1373#endif
1374
1375#ifndef S_ISDIR
1376# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1377#endif
1378
1379#ifndef S_ISCHR
1380# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1381#endif
1382
1383#ifndef S_ISBLK
fe14fcc3
LW		 1384# ifdef S_IFBLK
1385# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1386# else
1387# define S_ISBLK(m) (0)
1388# endif
c623bd54
LW		 1389#endif
1390
1391#ifndef S_ISREG
1392# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1393#endif
1394
1395#ifndef S_ISFIFO
fe14fcc3
LW		 1396# ifdef S_IFIFO
1397# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1398# else
1399# define S_ISFIFO(m) (0)
1400# endif
c623bd54
LW		 1401#endif
1402
1403#ifndef S_ISLNK
1404# ifdef _S_ISLNK
1405# define S_ISLNK(m) _S_ISLNK(m)
1406# else
1407# ifdef _S_IFLNK
1408# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1409# else
1410# ifdef S_IFLNK
1411# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1412# else
1413# define S_ISLNK(m) (0)
1414# endif
1415# endif
1416# endif
1417#endif
1418
1419#ifndef S_ISSOCK
1420# ifdef _S_ISSOCK
1421# define S_ISSOCK(m) _S_ISSOCK(m)
1422# else
1423# ifdef _S_IFSOCK
1424# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1425# else
1426# ifdef S_IFSOCK
1427# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1428# else
1429# define S_ISSOCK(m) (0)
1430# endif
1431# endif
1432# endif
1433#endif
1434
1435#ifndef S_IRUSR
1436# ifdef S_IREAD
1437# define S_IRUSR S_IREAD
1438# define S_IWUSR S_IWRITE
1439# define S_IXUSR S_IEXEC
1440# else
1441# define S_IRUSR 0400
1442# define S_IWUSR 0200
1443# define S_IXUSR 0100
1444# endif
fac7cdfc
JS		 1445#endif
1446
1447#ifndef S_IRGRP
1448# ifdef S_IRUSR
1449# define S_IRGRP (S_IRUSR>>3)
1450# define S_IWGRP (S_IWUSR>>3)
1451# define S_IXGRP (S_IXUSR>>3)
1452# else
1453# define S_IRGRP 0040
1454# define S_IWGRP 0020
1455# define S_IXGRP 0010
1456# endif
1457#endif
1458
1459#ifndef S_IROTH
1460# ifdef S_IRUSR
1461# define S_IROTH (S_IRUSR>>6)
1462# define S_IWOTH (S_IWUSR>>6)
1463# define S_IXOTH (S_IXUSR>>6)
1464# else
1465# define S_IROTH 0040
1466# define S_IWOTH 0020
1467# define S_IXOTH 0010
1468# endif
c623bd54
LW		 1469#endif
1470
1471#ifndef S_ISUID
1472# define S_ISUID 04000
1473#endif
1474
1475#ifndef S_ISGID
1476# define S_ISGID 02000
1477#endif
1478
ca6e1c26
JH		 1479#ifndef S_IRWXU
1480# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1481#endif
ca6e1c26
JH		 1482
1483#ifndef S_IRWXG
1484# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1485#endif
ca6e1c26
JH		 1486
1487#ifndef S_IRWXO
1488# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1489#endif
ca6e1c26 1490
c21fb2b8
JH		 1491/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1492 * which would get included through <sys/file.h >, but that is 3000
1493 * lines in the future. --jhi */
1494
1495#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 1496# define S_IREAD S_IRUSR
1497#endif
1498
c21fb2b8 1499#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1500# define S_IWRITE S_IWUSR
1501#endif
1502
1503#ifndef S_IEXEC
1504# define S_IEXEC S_IXUSR
1505#endif
1506
79072805
LW		 1507#ifdef ff_next
1508# undef ff_next
352d5a3a
LW		 1509#endif
1510
a0d0e21e 1511#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1512# define SLOPPYDIVIDE
1513#endif
1514
748a9306
LW		 1515#ifdef UV
1516#undef UV
1517#endif
1518
c89df6bf
JH		 1519#ifdef SPRINTF_E_BUG
1520# define sprintf UTS_sprintf_wrap
1521#endif
1522
ce582cee
NC		 1523/* For the times when you want the return value of sprintf, and you want it
1524 to be the length. Can't have a thread variable passed in, because C89 has
1525 no varargs macros.
1526*/
1527#ifdef SPRINTF_RETURNS_STRLEN
1528# define my_sprintf sprintf
1529#else
1530# define my_sprintf Perl_my_sprintf
1531#endif
1532
5b692037
JH		 1533/*
1534 * If we have v?snprintf() and the C99 variadic macros, we can just
1535 * use just the v?snprintf(). It is nice to try to trap the buffer
1536 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1537 * gcc statement expressions, then use the function wrappers which try
1538 * to trap the overflow. If we can use the gcc statement expressions,
1539 * we can try that even with the version that uses the C99 variadic
1540 * macros.
5b692037
JH		 1541 */
1542
1208b3dd
JH		 1543/* Note that we do not check against snprintf()/vsnprintf() returning
1544 * negative values because that is non-standard behaviour and we use
1545 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1546 * that should be true only if the snprintf()/vsnprintf() are true
1547 * to the standard. */
1548
dfeee9b1 1549#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1550# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1551# 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 1552# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1553# else
1554# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1555# endif
1556#else
1557# define my_snprintf Perl_my_snprintf
1208b3dd 1558# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1559#endif
1560
dfeee9b1 1561#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1562# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1563# 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 1564# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1565# else
1566# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1567# endif
1568#else
1569# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1570# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1571#endif
d9fad198 1572
a6cc4119
SP		 1573#ifdef HAS_STRLCAT
1574# define my_strlcat strlcat
1575#else
1576# define my_strlcat Perl_my_strlcat
1577#endif
1578
1579#ifdef HAS_STRLCPY
1580# define my_strlcpy strlcpy
1581#else
1582# define my_strlcpy Perl_my_strlcpy
1583#endif
1584
c495e728
JH		 1585/* Configure gets this right but the UTS compiler gets it wrong.
1586 -- Hal Morris <hom00@utsglobal.com> */
1587#ifdef UTS
1588# undef UVTYPE
1589# define UVTYPE unsigned
1590#endif
1591
05f13f53 1592/*
27d4fb96 1593 The IV type is supposed to be long enough to hold any integral
1594 value or a pointer.
1595 --Andy Dougherty August 1996
1596*/
1597
a22e52b9
JH		 1598typedef IVTYPE IV;
1599typedef UVTYPE UV;
8175356b 1600
10cc9d2a 1601#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1602# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1603# define IV_MAX INT64_MAX
1604# define IV_MIN INT64_MIN
1605# define UV_MAX UINT64_MAX
cae7ae48
JH		 1606# ifndef UINT64_MIN
1607# define UINT64_MIN 0
1608# endif
5ff3f7a4
GS		 1609# define UV_MIN UINT64_MIN
1610# else
1611# define IV_MAX PERL_QUAD_MAX
1612# define IV_MIN PERL_QUAD_MIN
1613# define UV_MAX PERL_UQUAD_MAX
1614# define UV_MIN PERL_UQUAD_MIN
1615# endif
cf2093f6
JH		 1616# define IV_IS_QUAD
1617# define UV_IS_QUAD
79072805 1618#else
8175356b 1619# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1620# define IV_MAX INT32_MAX
1621# define IV_MIN INT32_MIN
716026f9
DL		 1622# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1623# define UV_MAX UINT32_MAX
1624# else
1625# define UV_MAX 4294967295U
1626# endif
cae7ae48
JH		 1627# ifndef UINT32_MIN
1628# define UINT32_MIN 0
1629# endif
5ff3f7a4
GS		 1630# define UV_MIN UINT32_MIN
1631# else
1632# define IV_MAX PERL_LONG_MAX
1633# define IV_MIN PERL_LONG_MIN
1634# define UV_MAX PERL_ULONG_MAX
1635# define UV_MIN PERL_ULONG_MIN
1636# endif
8175356b 1637# if IVSIZE == 8
cf2093f6
JH		 1638# define IV_IS_QUAD
1639# define UV_IS_QUAD
de1c2614
JH		 1640# ifndef HAS_QUAD
1641# define HAS_QUAD
1642# endif
cf2093f6
JH		 1643# else
1644# undef IV_IS_QUAD
1645# undef UV_IS_QUAD
de1c2614 1646# undef HAS_QUAD
cf2093f6 1647# endif
79072805 1648#endif
d7d93a81 1649
1109a392
MHM		 1650#ifndef HAS_QUAD
1651# undef PERL_NEED_MY_HTOLE64
1652# undef PERL_NEED_MY_LETOH64
1653# undef PERL_NEED_MY_HTOBE64
1654# undef PERL_NEED_MY_BETOH64
1655#endif
1656
6cde8aec 1657#if defined(uts) || defined(UTS)
11afe549
HM		 1658# undef UV_MAX
1659# define UV_MAX (4294967295u)
20601011
JH		 1660#endif
1661
cae7ae48 1662#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1663#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1664
28e5dec8 1665#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1666#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1667#endif
1668
d460ef45 1669/*
26bb67e2
JH		 1670 * The macros INT2PTR and NUM2PTR are (despite their names)
1671 * bi-directional: they will convert int/float to or from pointers.
1672 * However the conversion to int/float are named explicitly:
1673 * PTR2IV, PTR2UV, PTR2NV.
1674 *
1675 * For int conversions we do not need two casts if pointers are
1676 * the same size as IV and UV. Otherwise we need an explicit
1677 * cast (PTRV) to avoid compiler warnings.
1678 */
56431972
RB		 1679#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1680# define PTRV UV
1681# define INT2PTR(any,d) (any)(d)
1682#else
d460ef45 1683# if PTRSIZE == LONGSIZE
56431972 1684# define PTRV unsigned long
e91e3b10 1685# define PTR2ul(p) (unsigned long)(p)
42718184 1686# else
56431972 1687# define PTRV unsigned
42718184 1688# endif
e91e3b10
RB		 1689#endif
1690
1691#ifndef INT2PTR
56431972 1692# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1693#endif
e91e3b10
RB		 1694
1695#ifndef PTR2ul
1696# define PTR2ul(p) INT2PTR(unsigned long,p)
1697#endif
1698
56431972
RB		 1699#define NUM2PTR(any,d) (any)(PTRV)(d)
1700#define PTR2IV(p) INT2PTR(IV,p)
1701#define PTR2UV(p) INT2PTR(UV,p)
1702#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1703#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1704
8141890a
JH		 1705/* According to strict ANSI C89 one cannot freely cast between
1706 * data pointers and function (code) pointers. There are at least
1707 * two ways around this. One (used below) is to do two casts,
1708 * first the other pointer to an (unsigned) integer, and then
1709 * the integer to the other pointer. The other way would be
1710 * to use unions to "overlay" the pointers. For an example of
1711 * the latter technique, see union dirpu in struct xpvio in sv.h.
1712 * The only feasible use is probably temporarily storing
1713 * function pointers in a data pointer (such as a void pointer). */
1714
e91e3b10
RB		 1715#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1716#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1717
65202027 1718#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1719# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1720# define LONG_DOUBLE_EQUALS_DOUBLE
1721# endif
68d4903c 1722# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1723# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1724# endif
1725#endif
1726
2d4389e4
JH		 1727#ifdef OVR_DBL_DIG
1728/* Use an overridden DBL_DIG */
1729# ifdef DBL_DIG
1730# undef DBL_DIG
1731# endif
1732# define DBL_DIG OVR_DBL_DIG
1733#else
1734/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1735 default value for printing floating point numbers in Gconvert
1736 (see config.h). (It also has other uses, such as figuring out if
1737 a given precision of printing can be done with a double instead of
1738 a long double - Allen).
2d4389e4
JH		 1739*/
1740#ifdef I_LIMITS
1741#include <limits.h>
1742#endif
1743#ifdef I_FLOAT
1744#include <float.h>
1745#endif
1746#ifndef HAS_DBL_DIG
1747#define DBL_DIG 15 /* A guess that works lots of places */
1748#endif
1749#endif
1750
1751#ifdef OVR_LDBL_DIG
1752/* Use an overridden LDBL_DIG */
1753# ifdef LDBL_DIG
1754# undef LDBL_DIG
1755# endif
1756# define LDBL_DIG OVR_LDBL_DIG
1757#else
1758/* The following is all to get LDBL_DIG, in order to pick a nice
1759 default value for printing floating point numbers in Gconvert.
1760 (see config.h)
1761*/
68d4903c
JH		 1762# ifdef I_LIMITS
1763# include <limits.h>
1764# endif
1765# ifdef I_FLOAT
1766# include <float.h>
1767# endif
1768# ifndef HAS_LDBL_DIG
1769# if LONG_DOUBLESIZE == 10
1770# define LDBL_DIG 18 /* assume IEEE */
1771# else
1772# if LONG_DOUBLESIZE == 12
1773# define LDBL_DIG 18 /* gcc? */
1774# else
1775# if LONG_DOUBLESIZE == 16
1776# define LDBL_DIG 33 /* assume IEEE */
1777# else
1778# if LONG_DOUBLESIZE == DOUBLESIZE
1779# define LDBL_DIG DBL_DIG /* bummer */
1780# endif
1781# endif
1782# endif
1783# endif
1784# endif
2d4389e4
JH		 1785#endif
1786
20f6aaab
AS		 1787/*
1788 * This is for making sure we have a good DBL_MAX value, if possible,
1789 * either for usage as NV_MAX or for usage in figuring out if we can
1790 * fit a given long double into a double, if bug-fixing makes it
1791 * necessary to do so. - Allen <allens@cpan.org>
1792 */
1793
205f51d8
AS		 1794#ifdef I_LIMITS
1795# include <limits.h>
20f6aaab
AS		 1796#endif
1797
205f51d8
AS		 1798#ifdef I_VALUES
1799# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1800# include <values.h>
1801# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1802# define DBL_MAX MAXDOUBLE
1803# endif
1804# if defined(MINDOUBLE) && !defined(DBL_MIN)
1805# define DBL_MIN MINDOUBLE
1806# endif
1807# endif
1808#endif /* defined(I_VALUES) */
1809
a22e52b9 1810typedef NVTYPE NV;
8175356b 1811
792d8dab
JH		 1812#ifdef I_IEEEFP
1813# include <ieeefp.h>
1814#endif
923fc586 1815
65202027 1816#ifdef USE_LONG_DOUBLE
923fc586
JH		 1817# ifdef I_SUNMATH
1818# include <sunmath.h>
1819# endif
2d4389e4 1820# define NV_DIG LDBL_DIG
d6c14000
JH		 1821# ifdef LDBL_MANT_DIG
1822# define NV_MANT_DIG LDBL_MANT_DIG
1823# endif
06fc1729
JH		 1824# ifdef LDBL_MIN
1825# define NV_MIN LDBL_MIN
1826# endif
1827# ifdef LDBL_MAX
1828# define NV_MAX LDBL_MAX
1829# endif
1830# ifdef LDBL_MIN_10_EXP
1831# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1832# endif
1833# ifdef LDBL_MAX_10_EXP
1834# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1835# endif
1836# ifdef LDBL_EPSILON
1837# define NV_EPSILON LDBL_EPSILON
1838# endif
f4a14a62
JH		 1839# ifdef LDBL_MAX
1840# define NV_MAX LDBL_MAX
20f6aaab 1841/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1842# else
1843# ifdef HUGE_VALL
1844# define NV_MAX HUGE_VALL
1845# else
1846# ifdef HUGE_VAL
1847# define NV_MAX ((NV)HUGE_VAL)
1848# endif
1849# endif
1850# endif
68d4903c 1851# ifdef HAS_SQRTL
68d4903c
JH		 1852# define Perl_cos cosl
1853# define Perl_sin sinl
1854# define Perl_sqrt sqrtl
1855# define Perl_exp expl
1856# define Perl_log logl
1857# define Perl_atan2 atan2l
1858# define Perl_pow powl
1859# define Perl_floor floorl
1bbae031 1860# define Perl_ceil ceill
68d4903c
JH		 1861# define Perl_fmod fmodl
1862# endif
a3540c92
JH		 1863/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1864# ifdef HAS_MODFL
1865# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1866/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1867 prototype in <math.h> */
1868# ifndef HAS_MODFL_PROTO
a221a8a5 1869EXTERN_C long double modfl(long double, long double *);
51997bc3 1870# endif
03476e8e
JH		 1871# else
1872# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1873 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1874# define Perl_modf(x,y) Perl_my_modfl(x,y)
1875# endif
a3540c92
JH		 1876# endif
1877# ifdef HAS_FREXPL
dff3e0b8 1878# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1879# else
1880# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1881 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1882# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1883# endif
a3540c92 1884# endif
38dbb4c5 1885# ifndef Perl_isnan
758a5d79
JH		 1886# ifdef HAS_ISNANL
1887# define Perl_isnan(x) isnanl(x)
1888# endif
1889# endif
1890# ifndef Perl_isinf
1891# ifdef HAS_FINITEL
1892# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1893# endif
1894# endif
65202027 1895#else
2d4389e4 1896# define NV_DIG DBL_DIG
d6c14000
JH		 1897# ifdef DBL_MANT_DIG
1898# define NV_MANT_DIG DBL_MANT_DIG
1899# endif
06fc1729
JH		 1900# ifdef DBL_MIN
1901# define NV_MIN DBL_MIN
1902# endif
1903# ifdef DBL_MAX
1904# define NV_MAX DBL_MAX
1905# endif
1906# ifdef DBL_MIN_10_EXP
1907# define NV_MIN_10_EXP DBL_MIN_10_EXP
1908# endif
1909# ifdef DBL_MAX_10_EXP
1910# define NV_MAX_10_EXP DBL_MAX_10_EXP
1911# endif
1912# ifdef DBL_EPSILON
1913# define NV_EPSILON DBL_EPSILON
1914# endif
205f51d8 1915# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1916# define NV_MAX DBL_MAX
1917# define NV_MIN DBL_MIN
1918# else
1919# ifdef HUGE_VAL
1920# define NV_MAX HUGE_VAL
1921# endif
1922# endif
65202027
DS		 1923# define Perl_cos cos
1924# define Perl_sin sin
1925# define Perl_sqrt sqrt
1926# define Perl_exp exp
1927# define Perl_log log
1928# define Perl_atan2 atan2
1929# define Perl_pow pow
1930# define Perl_floor floor
1bbae031 1931# define Perl_ceil ceil
65202027 1932# define Perl_fmod fmod
a3540c92 1933# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1934# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1935#endif
1936
1937/* rumor has it that Win32 has _fpclass() */
1938
205f51d8
AS		 1939/* SGI has fpclassl... but not with the same result values,
1940 * and it's via a typedef (not via #define), so will need to redo Configure
1941 * to use. Not worth the trouble, IMO, at least until the below is used
1942 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1943 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1944 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1945
758a5d79
JH		 1946#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1947# ifdef I_IEEFP
1948# include <ieeefp.h>
1949# endif
1950# ifdef I_FP
1951# include <fp.h>
1952# endif
1953# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1954# define Perl_fp_class() fpclassl(x)
1955# else
1956# define Perl_fp_class() fpclass(x)
1957# endif
1958# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1959# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1960# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1961# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1962# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1963# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1964# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1965# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1966# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1967# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1968# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1969# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1970# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1971# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1972# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1973#endif
1974
7114a2d2 1975#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1976# include <math.h>
1977# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1978# include <fp_class.h>
1979# endif
1980# define Perl_fp_class(x) fp_class(x)
1981# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1982# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1983# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1984# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1985# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1986# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1987# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1988# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1989# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1990# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1991# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1992# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1993# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1994# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1995# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1996#endif
1997
1998#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1999# include <math.h>
2000# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2001# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2002# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2003# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2004# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2005# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2006#endif
2007
2008#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2009# include <math.h>
2010# ifndef _cplusplus
2011# define Perl_fp_class(x) class(x)
2012# else
2013# define Perl_fp_class(x) _class(x)
2014# endif
2015# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2016# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2017# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2018# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2019# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2020# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2021# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2022# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2023# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2024# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2025# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2026# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2027# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2028# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2029# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2030#endif
2031
2032/* rumor has it that Win32 has _isnan() */
2033
2034#ifndef Perl_isnan
a3540c92 2035# ifdef HAS_ISNAN
758a5d79
JH		 2036# define Perl_isnan(x) isnan((NV)x)
2037# else
2038# ifdef Perl_fp_class_nan
2039# define Perl_isnan(x) Perl_fp_class_nan(x)
2040# else
2041# ifdef HAS_UNORDERED
2042# define Perl_isnan(x) unordered((x), 0.0)
2043# else
2044# define Perl_isnan(x) ((x)!=(x))
2045# endif
2046# endif
2047# endif
2048#endif
2049
ca6c63e1
JH		 2050#ifdef UNDER_CE
2051int isnan(double d);
2052#endif
2053
758a5d79
JH		 2054#ifndef Perl_isinf
2055# ifdef HAS_ISINF
2056# define Perl_isinf(x) isinf((NV)x)
a3540c92 2057# else
758a5d79
JH		 2058# ifdef Perl_fp_class_inf
2059# define Perl_isinf(x) Perl_fp_class_inf(x)
2060# else
2061# define Perl_isinf(x) ((x)==NV_INF)
2062# endif
2063# endif
2064#endif
2065
2066#ifndef Perl_isfinite
2067# ifdef HAS_FINITE
2068# define Perl_isfinite(x) finite((NV)x)
2069# else
2070# ifdef HAS_ISFINITE
2071# define Perl_isfinite(x) isfinite(x)
2072# else
2073# ifdef Perl_fp_class_finite
2074# define Perl_isfinite(x) Perl_fp_class_finite(x)
2075# else
2076# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2077# endif
2078# endif
a3540c92 2079# endif
65202027
DS		 2080#endif
2081
a36244b7
JH		 2082/* The default is to use Perl's own atof() implementation (in numeric.c).
2083 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2084 * it is however best to use the native implementation of atof.
2085 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2086 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2087 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2088 * you may need to be using a different function than atof! */
a36244b7
JH		 2089
2090#ifndef USE_PERL_ATOF
2091# ifndef _UNICOS
2092# define USE_PERL_ATOF
2093# endif
2094#else
2095# if USE_PERL_ATOF == 0
2096# undef USE_PERL_ATOF
2097# endif
2098#endif
2099
2100#ifdef USE_PERL_ATOF
2101# define Perl_atof(s) Perl_my_atof(s)
2102# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2103#else
2104# define Perl_atof(s) (NV)atof(s)
2105# define Perl_atof2(s, n) ((n) = atof(s))
2106#endif
cf2093f6 2107
d460ef45 2108/* Previously these definitions used hardcoded figures.
760ac839
LW		 2109 * It is hoped these formula are more portable, although
2110 * no data one way or another is presently known to me.
2111 * The "PERL_" names are used because these calculated constants
2112 * do not meet the ANSI requirements for LONG_MAX, etc., which
2113 * need to be constants acceptable to #if - kja
2114 * define PERL_LONG_MAX 2147483647L
2115 * define PERL_LONG_MIN (-LONG_MAX - 1)
2116 * define PERL ULONG_MAX 4294967295L
2117 */
2118
2119#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2120# include <limits.h>
760ac839 2121#endif
205f51d8
AS		 2122/* Included values.h above if necessary; still including limits.h down here,
2123 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2124
99abf803 2125/*
2126 * Try to figure out max and min values for the integral types. THE CORRECT
2127 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2128 * following hacks are used if neither limits.h or values.h provide them:
2129 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2130 * for types < int: (unsigned TYPE)~(unsigned)0
2131 * The argument to ~ must be unsigned so that later signed->unsigned
2132 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2133 * and it must not be smaller than int because ~ does integral promotion.
2134 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2135 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2136 * The latter is a hack which happens to work on some machines but
2137 * does *not* catch any random system, or things like integer types
2138 * with NaN if that is possible.
2139 *
2140 * All of the types are explicitly cast to prevent accidental loss of
2141 * numeric range, and in the hope that they will be less likely to confuse
2142 * over-eager optimizers.
2143 *
2144 */
27d4fb96 2145
99abf803 2146#define PERL_UCHAR_MIN ((unsigned char)0)
2147
2148#ifdef UCHAR_MAX
2149# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2150#else
99abf803 2151# ifdef MAXUCHAR
2152# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2153# else
99abf803 2154# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2155# endif
2156#endif
d460ef45 2157
99abf803 2158/*
2159 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2160 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2161 * depending on local options. Until Configure detects this (or at least
2162 * detects whether the "signed" keyword is available) the CHAR ranges
2163 * will not be included. UCHAR functions normally.
2164 * - kja
2165 */
27d4fb96 2166
99abf803 2167#define PERL_USHORT_MIN ((unsigned short)0)
2168
2169#ifdef USHORT_MAX
2170# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2171#else
99abf803 2172# ifdef MAXUSHORT
2173# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2174# else
ef2f54b0
CB		 2175# ifdef USHRT_MAX
2176# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2177# else
2178# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2179# endif
27d4fb96 2180# endif
2181#endif
2182
27d4fb96 2183#ifdef SHORT_MAX
99abf803 2184# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2185#else
2186# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2187# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2188# else
ef2f54b0
CB		 2189# ifdef SHRT_MAX
2190# define PERL_SHORT_MAX ((short)SHRT_MAX)
2191# else
2192# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2193# endif
27d4fb96 2194# endif
2195#endif
2196
2197#ifdef SHORT_MIN
99abf803 2198# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2199#else
2200# ifdef MINSHORT
99abf803 2201# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2202# else
ef2f54b0
CB		 2203# ifdef SHRT_MIN
2204# define PERL_SHORT_MIN ((short)SHRT_MIN)
2205# else
2206# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2207# endif
27d4fb96 2208# endif
2209#endif
2210
99abf803 2211#ifdef UINT_MAX
2212# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2213#else
99abf803 2214# ifdef MAXUINT
2215# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2216# else
99abf803 2217# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2218# endif
2219#endif
2220
99abf803 2221#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2222
2223#ifdef INT_MAX
99abf803 2224# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2225#else
2226# ifdef MAXINT /* Often used in <values.h> */
99abf803 2227# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2228# else
99abf803 2229# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2230# endif
2231#endif
2232
2233#ifdef INT_MIN
99abf803 2234# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2235#else
2236# ifdef MININT
99abf803 2237# define PERL_INT_MIN ((int)MININT)
27d4fb96 2238# else
2239# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2240# endif
2241#endif
2242
99abf803 2243#ifdef ULONG_MAX
2244# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2245#else
99abf803 2246# ifdef MAXULONG
2247# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2248# else
99abf803 2249# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2250# endif
2251#endif
2252
99abf803 2253#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2254
760ac839 2255#ifdef LONG_MAX
99abf803 2256# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2257#else
2258# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2259# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2260# else
99abf803 2261# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2262# endif
2263#endif
2264
2265#ifdef LONG_MIN
99abf803 2266# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2267#else
2268# ifdef MINLONG
99abf803 2269# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2270# else
27d4fb96 2271# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2272# endif
2273#endif
2274
d7d93a81 2275#ifdef UV_IS_QUAD
99abf803 2276
99abf803 2277# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2278# define PERL_UQUAD_MIN ((UV)0)
99abf803 2279# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2280# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2281
79072805
LW		 2282#endif
2283
22f7c9c9
JH		 2284#ifdef MYMALLOC
2285# include "malloc_ctl.h"
2286#endif
2287
830247a4 2288struct RExC_state_t;
8e11feef 2289struct _reg_trie_data;
880b20b6 2290
ee0007ab 2291typedef MEM_SIZE STRLEN;
450a55e4 2292
598921a7
NC		 2293#ifdef PERL_MAD
2294typedef struct token TOKEN;
2295typedef struct madprop MADPROP;
2296typedef struct nexttoken NEXTTOKE;
2297#endif
79072805
LW		 2298typedef struct op OP;
2299typedef struct cop COP;
2300typedef struct unop UNOP;
2301typedef struct binop BINOP;
2302typedef struct listop LISTOP;
2303typedef struct logop LOGOP;
79072805
LW		 2304typedef struct pmop PMOP;
2305typedef struct svop SVOP;
7934575e 2306typedef struct padop PADOP;
79072805 2307typedef struct pvop PVOP;
79072805
LW		 2308typedef struct loop LOOP;
2309
cd1541b2
NC		 2310typedef struct interpreter PerlInterpreter;
2311
d2b3f365
SS		 2312/* Amdahl's <ksync.h> has struct sv */
2313/* SGI's <sys/sema.h> has struct sv */
2314#if defined(UTS) || defined(__sgi)
2315# define STRUCT_SV perl_sv
b8d3c5db
JH		 2316#else
2317# define STRUCT_SV sv
2318#endif
2319typedef struct STRUCT_SV SV;
79072805
LW		 2320typedef struct av AV;
2321typedef struct hv HV;
2322typedef struct cv CV;
378cc40b 2323typedef struct regexp REGEXP;
79072805 2324typedef struct gp GP;
0c30d9ec 2325typedef struct gv GV;
8990e307 2326typedef struct io IO;
c09156bb 2327typedef struct context PERL_CONTEXT;
79072805
LW		 2328typedef struct block BLOCK;
2329
2330typedef struct magic MAGIC;
2331typedef struct xpv XPV;
2332typedef struct xpviv XPVIV;
ff68c719 2333typedef struct xpvuv XPVUV;
79072805
LW		 2334typedef struct xpvnv XPVNV;
2335typedef struct xpvmg XPVMG;
2336typedef struct xpvlv XPVLV;
2337typedef struct xpvav XPVAV;
2338typedef struct xpvhv XPVHV;
2339typedef struct xpvgv XPVGV;
2340typedef struct xpvcv XPVCV;
2341typedef struct xpvbm XPVBM;
2342typedef struct xpvfm XPVFM;
8990e307 2343typedef struct xpvio XPVIO;
79072805
LW		 2344typedef struct mgvtbl MGVTBL;
2345typedef union any ANY;
5f7fde29
GS		 2346typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2347typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2348typedef struct clone_params CLONE_PARAMS;
2349
378cc40b 2350#include "handy.h"
a0d0e21e 2351
6b8eaf93 2352#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2353# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2354# define USE_64_BIT_RAWIO /* implicit */
2355# endif
4564133c
JH		 2356#endif
2357
6b8eaf93
JH		 2358/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2359 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2360 * however, because operating systems like to do that themself. */
2361#ifndef FSEEKSIZE
2362# ifdef HAS_FSEEKO
2363# define FSEEKSIZE LSEEKSIZE
2364# else
2365# define FSEEKSIZE LONGSIZE
d460ef45 2366# endif
6b8eaf93
JH		 2367#endif
2368
2369#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2370# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2371# define USE_64_BIT_STDIO /* implicit */
2372# endif
2373#endif
4564133c 2374
09458382 2375#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2376# ifdef HAS_OFF64_T
2377# undef Off_t
2378# define Off_t off64_t
2379# undef LSEEKSIZE
2380# define LSEEKSIZE 8
5ff3f7a4 2381# endif
d9b3e12d
JH		 2382/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2383 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2384 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2385# if defined(USE_OPEN64)
2386# define open open64
5ff3f7a4 2387# endif
d9b3e12d
JH		 2388# if defined(USE_LSEEK64)
2389# define lseek lseek64
6b8eaf93
JH		 2390# else
2391# if defined(USE_LLSEEK)
2392# define lseek llseek
2393# endif
d9b3e12d
JH		 2394# endif
2395# if defined(USE_STAT64)
2396# define stat stat64
2397# endif
2398# if defined(USE_FSTAT64)
2399# define fstat fstat64
2400# endif
2401# if defined(USE_LSTAT64)
2402# define lstat lstat64
2403# endif
2404# if defined(USE_FLOCK64)
2405# define flock flock64
2406# endif
2407# if defined(USE_LOCKF64)
2408# define lockf lockf64
2409# endif
2410# if defined(USE_FCNTL64)
2411# define fcntl fcntl64
2412# endif
2413# if defined(USE_TRUNCATE64)
2414# define truncate truncate64
2415# endif
2416# if defined(USE_FTRUNCATE64)
2417# define ftruncate ftruncate64
2418# endif
2419#endif
2420
2421#ifdef USE_64_BIT_STDIO
2422# ifdef HAS_FPOS64_T
2423# undef Fpos_t
2424# define Fpos_t fpos64_t
2425# endif
2426/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2427 * will trigger defines like the ones below. Some 64-bit environments,
2428 * however, do not. */
2429# if defined(USE_FOPEN64)
2430# define fopen fopen64
2431# endif
2432# if defined(USE_FSEEK64)
6b8eaf93 2433# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2434# endif
2435# if defined(USE_FTELL64)
6b8eaf93 2436# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2437# endif
2438# if defined(USE_FSETPOS64)
2439# define fsetpos fsetpos64
2440# endif
2441# if defined(USE_FGETPOS64)
2442# define fgetpos fgetpos64
2443# endif
2444# if defined(USE_TMPFILE64)
2445# define tmpfile tmpfile64
2446# endif
2447# if defined(USE_FREOPEN64)
2448# define freopen freopen64
5ff3f7a4
GS		 2449# endif
2450#endif
2451
af8b425d 2452#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2453# include "iperlsys.h"
2454#endif
2455
6f71a643 2456#if defined(__OPEN_VM)
19848b3f
JH		 2457# include "vmesa/vmesaish.h"
2458# define ISHISH "vmesa"
6f71a643
JH		 2459#endif
2460
748a9306 2461#ifdef DOSISH
19848b3f
JH		 2462# if defined(OS2)
2463# include "os2ish.h"
2464# else
2465# include "dosish.h"
2466# endif
2467# define ISHISH "dos"
2468#endif
2469
2470#if defined(VMS)
748a9306 2471# include "vmsish.h"
96e176bf 2472# include "embed.h"
eb8433b7
NC		 2473# ifndef PERL_MAD
2474# undef op_getmad
b3f24c00 2475# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2476# endif
19848b3f
JH		 2477# define ISHISH "vms"
2478#endif
2479
2480#if defined(PLAN9)
2481# include "./plan9/plan9ish.h"
2482# define ISHISH "plan9"
2483#endif
2484
2485#if defined(MPE)
2486# include "mpeix/mpeixish.h"
2487# define ISHISH "mpeix"
2488#endif
2489
2490#if defined(__VOS__)
196918b0
PG		 2491# ifdef __GNUC__
2492# include "./vos/vosish.h"
2493# else
2494# include "vos/vosish.h"
2495# endif
19848b3f
JH		 2496# define ISHISH "vos"
2497#endif
2498
2499#if defined(EPOC)
2500# include "epocish.h"
2501# define ISHISH "epoc"
2502#endif
2503
9969cdde 2504#ifdef __SYMBIAN32__
27da23d5
JH		 2505# include "symbian/symbianish.h"
2506# include "embed.h"
eb8433b7
NC		 2507# ifndef PERL_MAD
2508# undef op_getmad
b3f24c00 2509# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2510# endif
27da23d5
JH		 2511# define ISHISH "symbian"
2512#endif
2513
19848b3f
JH		 2514#if defined(MACOS_TRADITIONAL)
2515# include "macos/macish.h"
2516# ifndef NO_ENVIRON_ARRAY
2517# define NO_ENVIRON_ARRAY
0c30d9ec 2518# endif
19848b3f
JH		 2519# define ISHISH "macos classic"
2520#endif
2521
efca5cc6
JH		 2522#if defined(__BEOS__)
2523# include "beos/beosish.h"
2524# define ISHISH "beos"
2525#endif
2526
19848b3f
JH		 2527#ifndef ISHISH
2528# include "unixish.h"
2529# define ISHISH "unix"
13b6e58c
JH		 2530#endif
2531
2946a158
JH		 2532/* NSIG logic from Configure --> */
2533/* Strange style to avoid deeply-nested #if/#else/#endif */
2534#ifndef NSIG
2535# ifdef _NSIG
2536# define NSIG (_NSIG)
2537# endif
2538#endif
2539
2540#ifndef NSIG
2541# ifdef SIGMAX
2542# define NSIG (SIGMAX+1)
2543# endif
2544#endif
2545
2546#ifndef NSIG
2547# ifdef SIG_MAX
2548# define NSIG (SIG_MAX+1)
2549# endif
2550#endif
2551
2552#ifndef NSIG
2553# ifdef _SIG_MAX
2554# define NSIG (_SIG_MAX+1)
2555# endif
2556#endif
2557
2558#ifndef NSIG
2559# ifdef MAXSIG
2560# define NSIG (MAXSIG+1)
2561# endif
2562#endif
2563
2564#ifndef NSIG
2565# ifdef MAX_SIG
2566# define NSIG (MAX_SIG+1)
2567# endif
2568#endif
2569
2570#ifndef NSIG
2571# ifdef SIGARRAYSIZE
2572# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2573# endif
2574#endif
2575
2576#ifndef NSIG
2577# ifdef _sys_nsig
2578# define NSIG (_sys_nsig) /* Solaris 2.5 */
2579# endif
2580#endif
2581
2582/* Default to some arbitrary number that's big enough to get most
2583 of the common signals.
2584*/
2585#ifndef NSIG
2586# define NSIG 50
2587#endif
2588/* <-- NSIG logic from Configure */
2589
13b6e58c
JH		 2590#ifndef NO_ENVIRON_ARRAY
2591# define USE_ENVIRON_ARRAY
2592#endif
32f822de 2593
c77b533b
JH		 2594/*
2595 * initialise to avoid floating-point exceptions from overflow, etc
2596 */
2597#ifndef PERL_FPU_INIT
2598# ifdef HAS_FPSETMASK
2599# if HAS_FLOATINGPOINT_H
2600# include <floatingpoint.h>
2601# endif
7f7c3354 2602# define PERL_FPU_INIT fpsetmask(0)
c77b533b 2603# else
2f42fcb0 2604# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2605# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2606# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2607# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2608# else
2609# define PERL_FPU_INIT
2f42fcb0 2610
7014c407 2611# endif
c77b533b
JH		 2612# endif
2613#endif
b35112e7
CS		 2614#ifndef PERL_FPU_PRE_EXEC
2615# define PERL_FPU_PRE_EXEC {
2616# define PERL_FPU_POST_EXEC }
2617#endif
c77b533b 2618
ed344e4f
IZ		 2619#ifndef PERL_SYS_INIT3
2620# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2621#endif
2622
be708cc0
JH		 2623#ifndef PERL_WRITE_MSG_TO_CONSOLE
2624# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2625#endif
2626
0f31cffe
GS		 2627#ifndef MAXPATHLEN
2628# ifdef PATH_MAX
b990c8b2
JH		 2629# ifdef _POSIX_PATH_MAX
2630# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2631/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2632 * included the null byte or not. Later amendments of POSIX,
2633 * XPG4, the Austin Group, and the Single UNIX Specification
2634 * all explicitly include the null byte in the PATH_MAX.
2635 * Ditto for _POSIX_PATH_MAX. */
2636# define MAXPATHLEN PATH_MAX
b990c8b2 2637# else
09448d78 2638# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2639# endif
2640# else
2641# define MAXPATHLEN (PATH_MAX+1)
2642# endif
0f31cffe 2643# else
b990c8b2 2644# ifdef _POSIX_PATH_MAX
09448d78 2645# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2646# else
2647# define MAXPATHLEN 1024 /* Err on the large side. */
2648# endif
0f31cffe
GS		 2649# endif
2650#endif
2651
c80263a8
SH		 2652/* In case Configure was not used (we are using a "canned config"
2653 * such as Win32, or a cross-compilation setup, for example) try going
2654 * by the gcc major and minor versions. One useful URL is
2655 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2656 * but contrary to this information warn_unused_result seems
2657 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2658 * Also, when building extensions with an installed perl, this allows
2659 * the user to upgrade gcc and get the right attributes, rather than
2660 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2661 * Set these up now otherwise we get confused when some of the <*thread.h>
2662 * includes below indirectly pull in <perlio.h> (which needs to know if we
2663 * have HASATTRIBUTE_FORMAT).
2664 */
2665
fc2007d4 2666#if defined __GNUC__ && !defined(__INTEL_COMPILER)
c80263a8
SH		 2667# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2668# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2669# if defined __MINGW32__
2670# define PRINTF_FORMAT_NULL_OK
2671# endif
c80263a8
SH		 2672# endif
2673# if __GNUC__ >= 3 /* 3.0 -> */
2674# define HASATTRIBUTE_MALLOC
2675# endif
2676# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2677# define HASATTRIBUTE_NONNULL
2678# endif
2679# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2680# define HASATTRIBUTE_NORETURN
2681# endif
2682# if __GNUC__ >= 3 /* gcc 3.0 -> */
2683# define HASATTRIBUTE_PURE
2684# endif
42bf5550 2685# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2686# define HASATTRIBUTE_UNUSED
2687# endif
d324fe49
AD		 2688# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2689# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2690# endif
c80263a8
SH		 2691# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2692# define HASATTRIBUTE_WARN_UNUSED_RESULT
2693# endif
2694#endif
2695
3db8f154 2696/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2697 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2698 * this results in many functions being undeclared which bothers C++
2699 * May make sense to have threads after "*ish.h" anyway
2700 */
2701
3db8f154 2702#if defined(USE_ITHREADS)
2986a63f
JH		 2703# ifdef NETWARE
2704# include <nw5thread.h>
2705# else
32f822de
GS		 2706# ifdef FAKE_THREADS
2707# include "fakethr.h"
2708# else
2709# ifdef WIN32
2710# include <win32thread.h>
2711# else
dd96f567
IZ		 2712# ifdef OS2
2713# include "os2thread.h"
2714# else
7f3d1cf1 2715# ifdef I_MACH_CTHREADS
bdd66968 2716# include <mach/cthreads.h>
8f1f23e8 2717# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2718# define MUTEX_INIT_CALLS_MALLOC
2719# endif
7f3d1cf1
BH		 2720typedef cthread_t perl_os_thread;
2721typedef mutex_t perl_mutex;
2722typedef condition_t perl_cond;
2723typedef void * perl_key;
2724# else /* Posix threads */
1f5ae88c
JH		 2725# ifdef I_PTHREAD
2726# include <pthread.h>
2727# endif
7f3d1cf1
BH		 2728typedef pthread_t perl_os_thread;
2729typedef pthread_mutex_t perl_mutex;
2730typedef pthread_cond_t perl_cond;
2731typedef pthread_key_t perl_key;
2732# endif /* I_MACH_CTHREADS */
dd96f567 2733# endif /* OS2 */
32f822de
GS		 2734# endif /* WIN32 */
2735# endif /* FAKE_THREADS */
2986a63f 2736#endif /* NETWARE */
3db8f154 2737#endif /* USE_ITHREADS */
c5be433b 2738
66a93824 2739#if defined(WIN32)
1feb2720 2740# include "win32.h"
c5be433b
GS		 2741#endif
2742
2986a63f
JH		 2743#ifdef NETWARE
2744# include "netware.h"
2745#endif
2746
e5218da5 2747#define STATUS_UNIX PL_statusvalue
68dc0745 2748#ifdef VMS
6b88bc9c 2749# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2750/*
2751 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2752 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2753 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2754 * be updated also.
2755 */
2756# include <stsdef.h>
2757# include <ssdef.h>
2758/* Presume this because if VMS changes it, it will require a new
2759 * set of APIs for waiting on children for binary compatibility.
2760 */
2761# define child_offset_bits (8)
2762# ifndef C_FAC_POSIX
2763# define C_FAC_POSIX 0x35A000
2764# endif
2765
2766/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2767 * platform from the existing UNIX or Native status values.
2768 */
2769
37038d91 2770# define STATUS_EXIT \
7a7fd8e0
JM		 2771 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2772 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2773
7a7fd8e0 2774
fb38d079
JM		 2775/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2776 * exit code and shifts the UNIX value over the correct number of bits to
2777 * be a child status. Usually the number of bits is 8, but that could be
2778 * platform dependent. The NATIVE status code is presumed to have either
2779 * from a child process.
7a7fd8e0
JM		 2780 */
2781
fb38d079
JM		 2782/* This is complicated. The child processes return a true native VMS
2783 status which must be saved. But there is an assumption in Perl that
2784 the UNIX child status has some relationship to errno values, so
2785 Perl tries to translate it to text in some of the tests.
2786 In order to get the string translation correct, for the error, errno
2787 must be EVMSERR, but that generates a different text message
2788 than what the test programs are expecting. So an errno value must
2789 be derived from the native status value when an error occurs.
2790 That will hide the true native status message. With this version of
2791 perl, the true native child status can always be retrieved so that
2792 is not a problem. But in this case, Pl_statusvalue and errno may
2793 have different values in them.
2794 */
7a7fd8e0 2795
fb38d079 2796# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2797 STMT_START { \
2fbb330f
JM		 2798 I32 evalue = (I32)n; \
2799 if (evalue == EVMSERR) { \
2800 PL_statusvalue_vms = vaxc$errno; \
2801 PL_statusvalue = evalue; \
7a7fd8e0 2802 } else { \
2fbb330f 2803 PL_statusvalue_vms = evalue; \
fb38d079 2804 if (evalue == -1) { \
3280af22 2805 PL_statusvalue = -1; \
7a7fd8e0
JM		 2806 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2807 } else \
fb38d079 2808 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2809 set_vaxc_errno(evalue); \
fb38d079
JM		 2810 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2811 set_errno(EVMSERR); \
2812 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2813 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2814 } \
68dc0745 2815 } STMT_END
7a7fd8e0 2816
68dc0745 2817# ifdef VMSISH_STATUS
e5218da5 2818# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2819# else
e5218da5 2820# define STATUS_CURRENT STATUS_UNIX
68dc0745 2821# endif
7a7fd8e0
JM		 2822
2823 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2824 * the NATIVE status to an equivalent value. Can not be used to translate
2825 * exit code values as exit code values are not guaranteed to have any
2826 * relationship at all to errno values.
2827 * This is used when Perl is forcing errno to have a specific value.
2828 */
e5218da5 2829# define STATUS_UNIX_SET(n) \
68dc0745 2830 STMT_START { \
7a7fd8e0 2831 I32 evalue = (I32)n; \
0968cdad 2832 PL_statusvalue = evalue; \
3280af22 2833 if (PL_statusvalue != -1) { \
0968cdad
JM		 2834 if (PL_statusvalue != EVMSERR) { \
2835 PL_statusvalue &= 0xFFFF; \
2836 if (MY_POSIX_EXIT) \
2837 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2838 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2839 } \
2840 else { \
2841 PL_statusvalue_vms = vaxc$errno; \
2842 } \
68dc0745 2843 } \
0968cdad
JM		 2844 else PL_statusvalue_vms = SS$_ABORT; \
2845 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2846 } STMT_END
2847
2848 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2849 * the NATIVE error status based on it. It does not assume that
fb38d079
JM		 2850 * the UNIX/POSIX exit codes have any relationship to errno, except
2851 * that 0 indicates a success. When in the default mode to comply
6ac6a52b
JM		 2852 * with the Perl VMS documentation, any other code sets the NATIVE
2853 * status to a failure code of SS$_ABORT.
fb38d079
JM		 2854 *
2855 * In the new POSIX EXIT mode, native status will be set so that the
2856 * actual exit code will can be retrieved by the calling program or
2857 * shell.
2858 *
2859 * If the exit code is not clearly a UNIX parent or child exit status,
2860 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2861 */
2862
fb38d079 2863# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2864 STMT_START { \
2865 I32 evalue = (I32)n; \
2866 PL_statusvalue = evalue; \
fb38d079
JM		 2867 if (evalue != -1) { \
2868 if (evalue <= 0xFF00) { \
2869 if (evalue > 0xFF) \
2870 evalue = (evalue >> child_offset_bits) & 0xFF; \
2871 if (evalue == 0) \
2872 PL_statusvalue_vms == SS$_NORMAL; \
2873 else \
2874 if (MY_POSIX_EXIT) \
2875 PL_statusvalue_vms = \
2876 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2877 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
0968cdad 2878 else \
6ac6a52b 2879 PL_statusvalue_vms = SS$_ABORT; \
fb38d079
JM		 2880 } else { /* forgive them Perl, for they have sinned */ \
2881 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2882 else PL_statusvalue_vms = vaxc$errno; \
2883 /* And obviously used a VMS status value instead of UNIX */ \
2884 PL_statusvalue = EVMSERR; \
2885 } \
7a7fd8e0
JM		 2886 } \
2887 else PL_statusvalue_vms = SS$_ABORT; \
2888 set_vaxc_errno(PL_statusvalue_vms); \
68dc0745 2889 } STMT_END
fb38d079 2890
6ac6a52b
JM		 2891 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2892 * and sets the NATIVE error status based on it. This special case
2893 * is needed to maintain compatibility with past VMS behavior.
2894 *
2895 * In the default mode on VMS, this number is passed through as
2896 * both the NATIVE and UNIX status. Which makes it different
2897 * that the STATUS_UNIX_EXIT_SET.
2898 *
2899 * In the new POSIX EXIT mode, native status will be set so that the
2900 * actual exit code will can be retrieved by the calling program or
2901 * shell.
2902 *
2903 */
2904
2905# define STATUS_EXIT_SET(n) \
2906 STMT_START { \
2907 I32 evalue = (I32)n; \
2908 PL_statusvalue = evalue; \
2909 if (MY_POSIX_EXIT) \
2910 PL_statusvalue_vms = \
2911 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2912 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
6ac6a52b
JM		 2913 else \
2914 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2915 set_vaxc_errno(PL_statusvalue_vms); \
2916 } STMT_END
2917
fb38d079
JM		 2918
2919 /* This macro forces a success status */
7a7fd8e0
JM		 2920# define STATUS_ALL_SUCCESS \
2921 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 2922
2923 /* This macro forces a failure status */
7a7fd8e0
JM		 2924# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2925 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2926 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2927
68dc0745 2928#else
e5218da5 2929# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2930# if defined(WCOREDUMP)
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 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2941 } \
2942 } STMT_END
2943# elif defined(WIFEXITED)
37038d91 2944# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2945 STMT_START { \
2946 PL_statusvalue_posix = (n); \
2947 if (PL_statusvalue_posix == -1) \
2948 PL_statusvalue = -1; \
2949 else { \
2950 PL_statusvalue = \
2951 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2952 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2953 } \
2954 } STMT_END
2955# else
37038d91 2956# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2957 STMT_START { \
2958 PL_statusvalue_posix = (n); \
2959 if (PL_statusvalue_posix == -1) \
2960 PL_statusvalue = -1; \
2961 else { \
2962 PL_statusvalue = \
2963 PL_statusvalue_posix & 0xFFFF; \
2964 } \
2965 } STMT_END
2966# endif
2967# define STATUS_UNIX_SET(n) \
68dc0745 2968 STMT_START { \
3280af22
NIS		 2969 PL_statusvalue = (n); \
2970 if (PL_statusvalue != -1) \
2971 PL_statusvalue &= 0xFFFF; \
68dc0745 2972 } STMT_END
7a7fd8e0 2973# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2974# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2975# define STATUS_CURRENT STATUS_UNIX
37038d91 2976# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 2977# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2978# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 2979#endif
2980
cc3604b1
GS		 2981/* flags in PL_exit_flags for nature of exit() */
2982#define PERL_EXIT_EXPECTED 0x01
31d77e54 2983#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2984
0b94c7bb 2985#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2986# define MEMBER_TO_FPTR(name) name
2987#endif
2988
2989/* format to use for version numbers in file/directory names */
273cf8d1 2990/* XXX move to Configure? */
a7cb1f99 2991#ifndef PERL_FS_VER_FMT
273cf8d1 2992# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2993#endif
2994
45bc9206 2995/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2996 * performance issue, so we allow people to disable it. Also, if
2997 * we are using stdio, there are broken implementations of fflush(NULL)
2998 * out there, Solaris being the most prominent.
45bc9206
GS		 2999 */
3000#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3001# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3002# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3003# else
3004# ifdef FFLUSH_ALL
3005# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3006# else
c5be433b 3007# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3008# endif
66fe083f 3009# endif
45bc9206
GS		 3010#endif
3011
7766f137
GS		 3012#ifndef PERL_WAIT_FOR_CHILDREN
3013# define PERL_WAIT_FOR_CHILDREN NOOP
3014#endif
3015
ba869deb 3016/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3017#ifndef PERL_SET_INTERP
3018# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3019#endif
3020
3021#ifndef PERL_GET_INTERP
3022# define PERL_GET_INTERP (PL_curinterp)
3023#endif
3024
54aff467 3025#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3026# ifdef MULTIPLICITY
ba869deb 3027# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3028# endif
ba869deb
GS		 3029# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3030#endif
3031
8896765a
RB		 3032/*
3033 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3034 All that is required is that the perl source does not
8896765a
RB		 3035 use "%-p" or "%-<number>p" or "%<number>p" formats.
3036 These formats will still work in perl code.
3037 See comments in sv.c for futher details.
3038
3039 -DvdNUMBER=<number> can be used to redefine VDf
3040
3041 -DvdNUMBER=0 reverts VDf to "vd", as in perl5.8.7,
3042 which works properly but gives compiler warnings
3043
3044 Robin Barker 2005-07-14
0dbb1585 3045*/
8896765a
RB		 3046
3047#ifndef SVf_
63ce7bf0 3048# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3049#endif
3050
8896765a 3051#ifndef SVf
104abab4 3052# define SVf "-p"
d2560b70
RB		 3053#endif
3054
014ead4b 3055#ifndef SVf32
8896765a 3056# define SVf32 SVf_(32)
014ead4b
RB		 3057#endif
3058
3059#ifndef SVf256
8896765a
RB		 3060# define SVf256 SVf_(256)
3061#endif
3062
be2597df
MHM		 3063#define SVfARG(p) ((void*)(p))
3064
8896765a
RB		 3065#ifndef vdNUMBER
3066# define vdNUMBER 1
3067#endif
3068
3069#ifndef VDf
3070# if vdNUMBER
63ce7bf0 3071# define VDf STRINGIFY(vdNUMBER) "p"
8896765a
RB		 3072# else
3073# define VDf "vd"
3074# endif
014ead4b 3075#endif
170cd9e9
NC		 3076
3077#ifdef PERL_CORE
f5992bc4 3078/* not used; but needed for backward compatibilty with XS code? - RMB */
170cd9e9
NC		 3079# ifndef UVf
3080# define UVf UVuf
3081# endif
3082#else
3083# undef UVf
d2560b70
RB		 3084#endif
3085
0dbb1585
AL		 3086#ifdef HASATTRIBUTE_FORMAT
3087# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3088#endif
3089#ifdef HASATTRIBUTE_MALLOC
77785eea 3090# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3091#endif
0dbb1585 3092#ifdef HASATTRIBUTE_NONNULL
abb2c242 3093# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3094#endif
0dbb1585 3095#ifdef HASATTRIBUTE_NORETURN
abb2c242 3096# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3097#endif
0dbb1585 3098#ifdef HASATTRIBUTE_PURE
abb2c242 3099# define __attribute__pure__ __attribute__((pure))
f22be1b8 3100#endif
0dbb1585
AL		 3101#ifdef HASATTRIBUTE_UNUSED
3102# define __attribute__unused__ __attribute__((unused))
3103#endif
3104#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3105# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3106#endif
3107
0dbb1585
AL		 3108/* If we haven't defined the attributes yet, define them to blank. */
3109#ifndef __attribute__format__
3110# define __attribute__format__(x,y,z)
3111#endif
f22be1b8 3112#ifndef __attribute__malloc__
abb2c242 3113# define __attribute__malloc__
f22be1b8
JH		 3114#endif
3115#ifndef __attribute__nonnull__
abb2c242 3116# define __attribute__nonnull__(a)
f22be1b8
JH		 3117#endif
3118#ifndef __attribute__noreturn__
abb2c242 3119# define __attribute__noreturn__
f22be1b8
JH		 3120#endif
3121#ifndef __attribute__pure__
abb2c242 3122# define __attribute__pure__
f22be1b8 3123#endif
0dbb1585
AL		 3124#ifndef __attribute__unused__
3125# define __attribute__unused__
3126#endif
f22be1b8 3127#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3128# define __attribute__warn_unused_result__
3129#endif
3130
0dbb1585
AL		 3131/* For functions that are marked as __attribute__noreturn__, it's not
3132 appropriate to call return. In either case, include the lint directive.
3133 */
3134#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3135# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3136#else
b37c2d43 3137# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH		 3138#endif
3139
cdfeb707
RB		 3140/* Some OS warn on NULL format to printf */
3141#ifdef PRINTF_FORMAT_NULL_OK
3142# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3143#else
3144# define __attribute__format__null_ok__(x,y,z)
3145#endif
3146
635aebb7 3147#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3148# define EXPECT(expr,val) __builtin_expect(expr,val)
3149#else
3150# define EXPECT(expr,val) (expr)
3151#endif
3152#define LIKELY(cond) EXPECT(cond,1)
3153#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3154#ifdef HAS_BUILTIN_CHOOSE_EXPR
3155/* placeholder */
3156#endif
b37c2d43 3157
3fc1aec6 3158/* Some unistd.h's give a prototype for pause() even though
3159 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3160 below to be rejected by the compiler. Sigh.
3fc1aec6 3161*/
3162#ifdef HAS_PAUSE
3163#define Pause pause
3164#else
3165#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3166#endif
3167
3168#ifndef IOCPARM_LEN
3169# ifdef IOCPARM_MASK
61f1c44b 3170 /* on BSDish systems we're safe */
748a9306
LW		 3171# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3172# else
61f1c44b 3173# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3174 /* on Linux systems we're safe; except when we're not [perl #38223] */
3175# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3176# else
748a9306 3177 /* otherwise guess at what's safe */
61f1c44b
JVD		 3178# define IOCPARM_LEN(x) 256
3179# endif
748a9306 3180# endif
a0d0e21e
LW		 3181#endif
3182
1761cee5 3183#if defined(__CYGWIN__)
521e0776
GS		 3184/* USEMYBINMODE
3185 * This symbol, if defined, indicates that the program should
16fe6d59 3186 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3187 * that a file is in "binary" mode -- that is, that no translation
3188 * of bytes occurs on read or write operations.
3189 */
36894f0b 3190# define USEMYBINMODE /**/
77a40698 3191# include <io.h> /* for setmode() prototype */
16fe6d59 3192# define my_binmode(fp, iotype, mode) \
77a40698 3193 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3194#endif
3195
88d10794
JH		 3196#ifdef __CYGWIN__
3197void init_os_extras(void);
3198#endif
3199
cea2e8a9
GS		 3200#ifdef UNION_ANY_DEFINITION
3201UNION_ANY_DEFINITION;
3202#else
3203union any {
3204 void* any_ptr;
3205 I32 any_i32;
3206 IV any_iv;
3207 long any_long;
9febdf04 3208 bool any_bool;
c76ac1ee 3209 void (*any_dptr) (void*);
acfe0abc 3210 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3211};
3212#endif
3213
acfe0abc 3214typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3215
3216#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3217#define FILTER_DATA(idx) \
3218 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3219#define FILTER_ISREADER(idx) \
3220 (PL_parser && PL_parser->rsfp_filters \
3221 && idx >= AvFILLp(PL_parser->rsfp_filters))
3222#define PERL_FILTER_EXISTS(i) \
3223 (PL_parser && PL_parser->rsfp_filters \
3224 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3225
c5078cac
JH		 3226#if defined(_AIX) && !defined(_AIX43)
3227#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3228/* We cannot include <crypt.h> to get the struct crypt_data
3229 * because of setkey prototype problems when threading */
3230typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3231 /* From OSF, Not needed in AIX
3232 char C[28], D[28];
3233 */
3234 char E[48];
3235 char KS[16][48];
3236 char block[66];
3237 char iobuf[16];
3238} CRYPTD;
3239#endif /* threading */
3240#endif /* AIX */
3241
af8b425d 3242#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 3243# include "iperlsys.h"
3244#endif
504f80c1 3245
d10dc2ae
JH		 3246/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3247 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3248 * defined by Configure, despite their names being similar to the
3249 * other defines like USE_ITHREADS. Configure in fact knows nothing
3250 * about the randomised hashes. Therefore to enable/disable the hash
3251 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3252#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3253# define USE_HASH_SEED
504f80c1
JH		 3254#endif
3255
598921a7
NC		 3256/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3257 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3258 * it's not really needed.
3259 */
3260#if defined(WIN32)
3261# define YYTOKENTYPE
3262#endif
3263#include "perly.h"
3264
3265#ifdef PERL_MAD
3266struct nexttoken {
3267 YYSTYPE next_val; /* value of next token, if any */
3268 I32 next_type; /* type of next token */
3269 MADPROP *next_mad; /* everything else about that token */
3270};
3271#endif
3272
378cc40b 3273#include "regexp.h"
79072805 3274#include "sv.h"
378cc40b 3275#include "util.h"
8d063cd8 3276#include "form.h"
79072805 3277#include "gv.h"
dd2155a4 3278#include "pad.h"
79072805 3279#include "cv.h"
abdd5c84 3280#include "opnames.h"
79072805 3281#include "op.h"
b3ca2e83 3282#include "hv.h"
79072805
LW		 3283#include "cop.h"
3284#include "av.h"
79072805
LW		 3285#include "mg.h"
3286#include "scope.h"
4438c4b7 3287#include "warnings.h"
a0ed51b3 3288#include "utf8.h"
8d063cd8 3289
7fae4e64
GS		 3290
3291typedef struct _sublex_info SUBLEXINFO;
3292struct _sublex_info {
651b5b28
NC		 3293 U8 super_state; /* lexer state to save */
3294 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3295 OP *sub_op; /* "lex_op" to use */
f06b5848
DM		 3296 char *super_bufptr; /* PL_parser->bufptr that was */
3297 char *super_bufend; /* PL_parser->bufend that was */
7fae4e64
GS		 3298};
3299
199e78b7
DM		 3300#include "parser.h"
3301
455ece5e 3302typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3303
2c2d71f5 3304struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3305struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3306
6f51351d
NC		 3307/* Keep next first in this structure, because sv_free_arenas take
3308 advantage of this to share code between the pte arenas and the SV
3309 body arenas */
5f7fde29
GS		 3310struct ptr_tbl_ent {
3311 struct ptr_tbl_ent* next;
53c1dcc0 3312 const void* oldval;
5f7fde29 3313 void* newval;
d18c6117
GS		 3314};
3315
5f7fde29
GS		 3316struct ptr_tbl {
3317 struct ptr_tbl_ent** tbl_ary;
3318 UV tbl_max;
3319 UV tbl_items;
d18c6117
GS		 3320};
3321
450a55e4 3322#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3323# define I286
3324#endif
3325
fe14fcc3
LW		 3326#if defined(htonl) && !defined(HAS_HTONL)
3327#define HAS_HTONL
ae986130 3328#endif
fe14fcc3
LW		 3329#if defined(htons) && !defined(HAS_HTONS)
3330#define HAS_HTONS
ae986130 3331#endif
fe14fcc3
LW		 3332#if defined(ntohl) && !defined(HAS_NTOHL)
3333#define HAS_NTOHL
ae986130 3334#endif
fe14fcc3
LW		 3335#if defined(ntohs) && !defined(HAS_NTOHS)
3336#define HAS_NTOHS
ae986130 3337#endif
fe14fcc3 3338#ifndef HAS_HTONL
d9d8d8de 3339#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3340#define HAS_HTONS
3341#define HAS_HTONL
3342#define HAS_NTOHS
3343#define HAS_NTOHL
a687059c
LW		 3344#define MYSWAP
3345#define htons my_swap
3346#define htonl my_htonl
3347#define ntohs my_swap
3348#define ntohl my_ntohl
3349#endif
3350#else
d9d8d8de 3351#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3352#undef HAS_HTONS
3353#undef HAS_HTONL
3354#undef HAS_NTOHS
3355#undef HAS_NTOHL
a687059c
LW		 3356#endif
3357#endif
3358
988174c1
LW		 3359/*
3360 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3361 * -DWS
3362 */
3363#if BYTEORDER != 0x1234
3364# define HAS_VTOHL
3365# define HAS_VTOHS
3366# define HAS_HTOVL
3367# define HAS_HTOVS
c67712b2 3368# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3369# define vtohl(x) ((((x)&0xFF)<<24) \
3370 +(((x)>>24)&0xFF) \
3371 +(((x)&0x0000FF00)<<8) \
3372 +(((x)&0x00FF0000)>>8) )
3373# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3374# define htovl(x) vtohl(x)
3375# define htovs(x) vtohs(x)
3376# endif
3377 /* otherwise default to functions in util.c */
2a8c3029 3378#ifndef htovs
c623ac67
GS		 3379short htovs(short n);
3380short vtohs(short n);
3381long htovl(long n);
3382long vtohl(long n);
988174c1 3383#endif
2a8c3029 3384#endif
988174c1 3385
3bb7c1b4
JH		 3386/* *MAX Plus 1. A floating point value.
3387 Hopefully expressed in a way that dodgy floating point can't mess up.
3388 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3389 is added to it
3390 May find that some broken compiler will want the value cast to I32.
3391 [after the shift, as signed >> may not be as secure as unsigned >>]
3392*/
3393#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3394#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3395/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3396 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3397 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3398*/
3399#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3400
3bb7c1b4
JH		 3401#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3402#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3403#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3404
3405/* This may look like unnecessary jumping through hoops, but converting
3406 out of range floating point values to integers *is* undefined behaviour,
3407 and it is starting to bite.
3408*/
3409#ifndef CAST_INLINE
65202027 3410#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3411#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3412#define I_V(what) (cast_iv((NV)(what)))
3413#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3414#else
3415#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3416 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3417 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3418#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3419 : ((n) < U32_MAX_P1 ? (U32) (n) \
3420 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3421#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3422 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3423 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3424#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3425 : ((n) < UV_MAX_P1 ? (UV) (n) \
3426 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3427#endif
3428
3429#define U_S(what) ((U16)U_32(what))
3430#define U_I(what) ((unsigned int)U_32(what))
3431#define U_L(what) U_32(what)
ed6116ce 3432
ed140128
AD		 3433#ifdef HAS_SIGNBIT
3434# define Perl_signbit signbit
3435#endif
3436
2d4389e4
JH		 3437/* These do not care about the fractional part, only about the range. */
3438#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3439#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3440
25da4f38
IZ		 3441/* Used with UV/IV arguments: */
3442 /* XXXX: need to speed it up */
3443#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3444#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3445
352d5a3a
LW		 3446#ifndef MAXSYSFD
3447# define MAXSYSFD 2
3448#endif
ee0007ab 3449
79072805 3450#ifndef __cplusplus
27da23d5 3451#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3452Uid_t getuid (void);
3453Uid_t geteuid (void);
3454Gid_t getgid (void);
3455Gid_t getegid (void);
79072805 3456#endif
e1caacb4 3457#endif
8d063cd8 3458
0c30d9ec 3459#ifndef Perl_debug_log
bf49b057
GS		 3460# define Perl_debug_log PerlIO_stderr()
3461#endif
3462
3463#ifndef Perl_error_log
3464# define Perl_error_log (PL_stderrgv \
6b78add2 3465 && isGV(PL_stderrgv) \
01bb7c6d 3466 && GvIOp(PL_stderrgv) \
42de951c 3467 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3468 ? IoOFP(GvIOp(PL_stderrgv)) \
3469 : PerlIO_stderr())
0c30d9ec 3470#endif
3967c732 3471
aea4f609
DM		 3472
3473#define DEBUG_p_FLAG 0x00000001 /* 1 */
3474#define DEBUG_s_FLAG 0x00000002 /* 2 */
3475#define DEBUG_l_FLAG 0x00000004 /* 4 */
3476#define DEBUG_t_FLAG 0x00000008 /* 8 */
3477#define DEBUG_o_FLAG 0x00000010 /* 16 */
3478#define DEBUG_c_FLAG 0x00000020 /* 32 */
3479#define DEBUG_P_FLAG 0x00000040 /* 64 */
3480#define DEBUG_m_FLAG 0x00000080 /* 128 */
3481#define DEBUG_f_FLAG 0x00000100 /* 256 */
3482#define DEBUG_r_FLAG 0x00000200 /* 512 */
3483#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3484#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3485/* U is reserved for Unofficial, exploratory hacking */
3486#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3487#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3488#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3489#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3490#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3491#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3492#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3493#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3494#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3495#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3496#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3497#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3498#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3499
3500#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3501#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3502 that something was done? */
aea4f609 3503
bd16a5f0
IZ		 3504# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3505# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3506# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3507# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3508# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3509# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3510# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3511# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3512# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3513# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3514# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3515# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3516# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3517# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3518# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3519# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3520# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3521# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3522# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3523# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3524# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3525# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3526# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3527# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3528# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3529
3967c732 3530#ifdef DEBUGGING
aea4f609 3531
bd16a5f0
IZ		 3532# define DEBUG_p_TEST DEBUG_p_TEST_
3533# define DEBUG_s_TEST DEBUG_s_TEST_
3534# define DEBUG_l_TEST DEBUG_l_TEST_
3535# define DEBUG_t_TEST DEBUG_t_TEST_
3536# define DEBUG_o_TEST DEBUG_o_TEST_
3537# define DEBUG_c_TEST DEBUG_c_TEST_
3538# define DEBUG_P_TEST DEBUG_P_TEST_
3539# define DEBUG_m_TEST DEBUG_m_TEST_
3540# define DEBUG_f_TEST DEBUG_f_TEST_
3541# define DEBUG_r_TEST DEBUG_r_TEST_
3542# define DEBUG_x_TEST DEBUG_x_TEST_
3543# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3544# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3545# define DEBUG_H_TEST DEBUG_H_TEST_
3546# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 3547# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 3548# define DEBUG_D_TEST DEBUG_D_TEST_
3549# define DEBUG_S_TEST DEBUG_S_TEST_
3550# define DEBUG_T_TEST DEBUG_T_TEST_
3551# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3552# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3553# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3554# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3555# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3556# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3557
488b0c7a
JH		 3558# define PERL_DEB(a) a
3559# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3560# define DEBUG_p(a) if (DEBUG_p_TEST) a
3561# define DEBUG_s(a) if (DEBUG_s_TEST) a
3562# define DEBUG_l(a) if (DEBUG_l_TEST) a
3563# define DEBUG_t(a) if (DEBUG_t_TEST) a
3564# define DEBUG_o(a) if (DEBUG_o_TEST) a
3565# define DEBUG_c(a) if (DEBUG_c_TEST) a
3566# define DEBUG_P(a) if (DEBUG_P_TEST) a
3567
969058bb
VK		 3568 /* Temporarily turn off memory debugging in case the a
3569 * does memory allocation, either directly or indirectly. */
acfe0abc 3570# define DEBUG_m(a) \
0b250b9e 3571 STMT_START { \
aea4f609 3572 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3573 } STMT_END
aea4f609 3574
5f80b19c
AMS		 3575# define DEBUG__(t, a) \
3576 STMT_START { \
3577 if (t) STMT_START {a;} STMT_END; \
3578 } STMT_END
3579
3580# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3581#ifndef PERL_EXT_RE_BUILD
5f80b19c 3582# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3583#else
3584# define DEBUG_r(a) STMT_START {a;} STMT_END
3585#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3586# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3587# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3588# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3589# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3590# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 3591# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3592# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3593
3db8f154 3594# define DEBUG_S(a)
aea4f609 3595
5f80b19c
AMS		 3596# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3597# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3598# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3599# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3600# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3601# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 3602
3603#else /* DEBUGGING */
3604
3605# define DEBUG_p_TEST (0)
3606# define DEBUG_s_TEST (0)
3607# define DEBUG_l_TEST (0)
3608# define DEBUG_t_TEST (0)
3609# define DEBUG_o_TEST (0)
3610# define DEBUG_c_TEST (0)
3611# define DEBUG_P_TEST (0)
3612# define DEBUG_m_TEST (0)
3613# define DEBUG_f_TEST (0)
3614# define DEBUG_r_TEST (0)
3615# define DEBUG_x_TEST (0)
3616# define DEBUG_u_TEST (0)
88d2d28a 3617# define DEBUG_U_TEST (0)
aea4f609
DM		 3618# define DEBUG_H_TEST (0)
3619# define DEBUG_X_TEST (0)
dd2155a4 3620# define DEBUG_Xv_TEST (0)
aea4f609
DM		 3621# define DEBUG_D_TEST (0)
3622# define DEBUG_S_TEST (0)
3623# define DEBUG_T_TEST (0)
04932ac8 3624# define DEBUG_R_TEST (0)
1045810a 3625# define DEBUG_J_TEST (0)
d6721266 3626# define DEBUG_v_TEST (0)
46187eeb 3627# define DEBUG_C_TEST (0)
ecae49c0
NC		 3628# define DEBUG_A_TEST (0)
3629# define DEBUG_q_TEST (0)
aea4f609 3630
488b0c7a
JH		 3631# define PERL_DEB(a)
3632# define PERL_DEBUG(a)
aea4f609
DM		 3633# define DEBUG_p(a)
3634# define DEBUG_s(a)
3635# define DEBUG_l(a)
3636# define DEBUG_t(a)
3637# define DEBUG_o(a)
3638# define DEBUG_c(a)
3639# define DEBUG_P(a)
3640# define DEBUG_m(a)
3641# define DEBUG_f(a)
3642# define DEBUG_r(a)
3643# define DEBUG_x(a)
3644# define DEBUG_u(a)
88d2d28a 3645# define DEBUG_U(a)
aea4f609
DM		 3646# define DEBUG_H(a)
3647# define DEBUG_X(a)
dd2155a4 3648# define DEBUG_Xv(a)
aea4f609
DM		 3649# define DEBUG_D(a)
3650# define DEBUG_S(a)
3651# define DEBUG_T(a)
04932ac8 3652# define DEBUG_R(a)
d6721266 3653# define DEBUG_v(a)
46187eeb 3654# define DEBUG_C(a)
ecae49c0
NC		 3655# define DEBUG_A(a)
3656# define DEBUG_q(a)
aea4f609
DM		 3657#endif /* DEBUGGING */
3658
3659
b4ab917c
DM		 3660#define DEBUG_SCOPE(where) \
3661 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3662 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM		 3663
3664
3665
3666
d1be9408 3667/* These constants should be used in preference to raw characters
14befaf4
DM		 3668 * when using magic. Note that some perl guts still assume
3669 * certain character properties of these constants, namely that
3670 * isUPPER() and toLOWER() may do useful mappings.
3671 *
3672 * Update the magic_names table in dump.c when adding/amending these
3673 */
3674
3675#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3676#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3677#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3678#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3679#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3680#define PERL_MAGIC_regdata 'D' /* Regex match position data
3681 (@+ and @- vars) */
3682#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3683#define PERL_MAGIC_env 'E' /* %ENV hash */
3684#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3685#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3686#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
b3ca2e83
NC		 3687#define PERL_MAGIC_hints 'H' /* %^H hash */
3688#define PERL_MAGIC_hintselem 'h' /* %^H hash element */
14befaf4
DM		 3689#define PERL_MAGIC_isa 'I' /* @ISA array */
3690#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3691#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3692#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3693#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3694#define PERL_MAGIC_mutex 'm' /* for lock op */
3695#define PERL_MAGIC_shared 'N' /* Shared between threads */
3696#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3697#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3698#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3699#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3700#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3701#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3702#define PERL_MAGIC_sig 'S' /* %SIG hash */
3703#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3704#define PERL_MAGIC_taint 't' /* Taintedness */
3705#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3706#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3707#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3708#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3709#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3710#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3711#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3712 smart parameter vivification */
14befaf4
DM		 3713#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3714#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3715#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3716#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3717#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3718#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM		 3719#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3720
3721
a6e633de 3722#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC		 3723#define assert(what) PERL_DEB( \
3724 ((what) ? ((void) 0) : \
67eb4d30 3725 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3726 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3727 (void) 0)))
a446a88f 3728#endif
8d063cd8 3729
450a55e4 3730struct ufuncs {
24f81a43
DM		 3731 I32 (*uf_val)(pTHX_ IV, SV*);
3732 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3733 IV uf_index;
450a55e4
LW		 3734};
3735
14befaf4 3736/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3737 * XS code wanting to be backward compatible can do something
3738 * like the following:
c745e42c 3739
24f81a43 3740#ifndef PERL_MG_UFUNC
24f81a43
DM		 3741#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3742#endif
3743
3744static PERL_MG_UFUNC(foo_get, index, val)
3745{
3746 sv_setsv(val, ...);
3747 return TRUE;
3748}
3749
3750-- Doug MacEachern
3751
3752*/
3753
fc9c74e6 3754#ifndef PERL_MG_UFUNC
24f81a43 3755#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3756#endif
24f81a43 3757
fe14fcc3 3758/* Fix these up for __STDC__ */
68dc0745 3759#ifndef DONT_DECLARE_STD
20ce7b12 3760char *mktemp (char*);
37bd1396 3761#ifndef atof
20ce7b12 3762double atof (const char*);
a0d0e21e 3763#endif
37bd1396 3764#endif
79072805 3765
352d5a3a 3766#ifndef STANDARD_C
fe14fcc3 3767/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3768Time_t time();
8d063cd8 3769struct tm *gmtime(), *localtime();
092bebab 3770#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3771char *(strchr)(), *(strrchr)();
3772char *(strcpy)(), *(strcat)();
3773#else
93a17b20 3774char *strchr(), *strrchr();
378cc40b 3775char *strcpy(), *strcat();
9d116dd7 3776#endif
352d5a3a 3777#endif /* ! STANDARD_C */
8d063cd8 3778
79072805
LW		 3779
3780#ifdef I_MATH
3781# include <math.h>
3782#else
32f822de 3783START_EXTERN_C
20ce7b12
GS		 3784 double exp (double);
3785 double log (double);
3786 double log10 (double);
3787 double sqrt (double);
3788 double frexp (double,int*);
3789 double ldexp (double,int);
3790 double modf (double,double*);
3791 double sin (double);
3792 double cos (double);
3793 double atan2 (double,double);
3794 double pow (double,double);
32f822de 3795END_EXTERN_C
79072805
LW		 3796#endif
3797