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[perl #119539] clarify that copy() doesn't create the directory
[perl5.git] / perl.h
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a0d0e21e 1/* perl.h
a687059c 2 *
1129b882 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
5cd3f21a 4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 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
d460ef45 25#ifdef PERL_MICRO
12ae5dfc
JH		 26# include "uconfig.h"
27#else
b0f06652
VK		 28# ifndef USE_CROSS_COMPILE
29# include "config.h"
30# else
31# include "xconfig.h"
32# endif
12ae5dfc 33#endif
0cb96387 34
2c2d71f5
JH		 35/* See L<perlguts/"The Perl API"> for detailed notes on
36 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
37
ac6bedea
JH		 38/* Note that from here --> to <-- the same logic is
39 * repeated in makedef.pl, so be certain to update
40 * both places when editing. */
41
6f4183fe 42#ifdef USE_ITHREADS
acfe0abc 43# if !defined(MULTIPLICITY)
6f4183fe
GS		 44# define MULTIPLICITY
45# endif
46#endif
47
27da23d5
JH		 48#ifdef PERL_GLOBAL_STRUCT_PRIVATE
49# ifndef PERL_GLOBAL_STRUCT
50# define PERL_GLOBAL_STRUCT
51# endif
52#endif
97aff369 53
27da23d5
JH		 54#ifdef PERL_GLOBAL_STRUCT
55# ifndef MULTIPLICITY
56# define MULTIPLICITY
57# endif
58#endif
59
97aff369
JH		 60#ifdef MULTIPLICITY
61# ifndef PERL_IMPLICIT_CONTEXT
62# define PERL_IMPLICIT_CONTEXT
63# endif
64#endif
65
026fd48b
GH		 66/* undef WIN32 when building on Cygwin (for libwin32) - gph */
67#ifdef __CYGWIN__
68# undef WIN32
69# undef _WIN32
70#endif
71
27da23d5
JH		 72#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
73# ifndef SYMBIAN
74# define SYMBIAN
75# endif
76#endif
77
a0fd4948 78#ifdef __SYMBIAN32__
27da23d5
JH		 79# include "symbian/symbian_proto.h"
80#endif
81
82/* Any stack-challenged places. The limit varies (and often
83 * is configurable), but using more than a kilobyte of stack
84 * is usually dubious in these systems. */
739a0b84
NC		 85#if defined(__SYMBIAN32__)
86/* Symbian: need to work around the SDK features. *
27da23d5
JH		 87 * On WINS: MS VC5 generates calls to _chkstk, *
88 * if a "large" stack frame is allocated. *
89 * gcc on MARM does not generate calls like these. */
90# define USE_HEAP_INSTEAD_OF_STACK
91#endif
92
93#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 94/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 95#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 96# define USE_REENTRANT_API
97#endif
98
ac6bedea
JH		 99/* <--- here ends the logic shared by perl.h and makedef.pl */
100
af28e889 101/*
6239f2da
JH		 102 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
103 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 104 * __bsdi__ for BSD/OS
105 */
6239f2da 106#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 107# ifndef BSDish
108# define BSDish
109# endif
110#endif
111
cf5a8da6
MHM		 112#undef START_EXTERN_C
113#undef END_EXTERN_C
114#undef EXTERN_C
115#ifdef __cplusplus
116# define START_EXTERN_C extern "C" {
117# define END_EXTERN_C }
118# define EXTERN_C extern "C"
119#else
120# define START_EXTERN_C
121# define END_EXTERN_C
122# define EXTERN_C extern
123#endif
124
17a6c8e3
AD		 125/* Fallback definitions in case we don't have definitions from config.h.
126 This should only matter for systems that don't use Configure and
127 haven't been modified to define PERL_STATIC_INLINE yet.
128*/
129#if !defined(PERL_STATIC_INLINE)
130# ifdef HAS_STATIC_INLINE
131# define PERL_STATIC_INLINE static inline
132# else
133# define PERL_STATIC_INLINE static
134# endif
135#endif
136
27da23d5
JH		 137#ifdef PERL_GLOBAL_STRUCT
138# ifndef PERL_GET_VARS
139# ifdef PERL_GLOBAL_STRUCT_PRIVATE
cf5a8da6 140 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
27da23d5
JH		 141# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
142# ifndef PERLIO_FUNCS_CONST
143# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
144# endif
145# else
146# define PERL_GET_VARS() PL_VarsPtr
147# endif
148# endif
149#endif
150
5aaab254 151#define pVAR struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH		 152
153#ifdef PERL_GLOBAL_STRUCT
154# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
155#else
156# define dVAR dNOOP
157#endif
158
c5be433b 159#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 160# ifndef MULTIPLICITY
161# define MULTIPLICITY
c5be433b 162# endif
e8dda941 163# define tTHX PerlInterpreter*
5aaab254 164# define pTHX tTHX my_perl PERL_UNUSED_DECL
3db8f154 165# define aTHX my_perl
9399a70c 166# define aTHXa(a) aTHX = (tTHX)a
27da23d5 167# ifdef PERL_GLOBAL_STRUCT
e8dda941 168# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 169# else
e8dda941 170# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH		 171# endif
172# ifdef PERL_GLOBAL_STRUCT
173# define dTHX dVAR; pTHX = PERL_GET_THX
174# else
175# define dTHX pTHX = PERL_GET_THX
176# endif
c5be433b 177# define pTHX_ pTHX,
c5be433b 178# define aTHX_ aTHX,
4373e329 179# define pTHX_1 2
894356b3
GS		 180# define pTHX_2 3
181# define pTHX_3 4
182# define pTHX_4 5
4373e329
AL		 183# define pTHX_5 6
184# define pTHX_6 7
a3b680e6
AL		 185# define pTHX_7 8
186# define pTHX_8 9
187# define pTHX_9 10
e8dda941
JD		 188# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
189# define PERL_TRACK_MEMPOOL
190# endif
191#else
192# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 193#endif
194
76e3520e 195#define STATIC static
16c91539
BM		 196
197#ifndef PERL_CORE
198/* Do not use these macros. They were part of PERL_OBJECT, which was an
199 * implementation of multiplicity using C++ objects. They have been left
200 * here solely for the sake of XS code which has incorrectly
201 * cargo-culted them.
202 */
76e3520e 203#define CPERLscope(x) x
565764a8 204#define CPERLarg void
76e3520e 205#define CPERLarg_
e3b8966e 206#define _CPERLarg
1d583055
GS		 207#define PERL_OBJECT_THIS
208#define _PERL_OBJECT_THIS
209#define PERL_OBJECT_THIS_
312caa8e 210#define CALL_FPTR(fptr) (*fptr)
ef69c8fc 211#define MEMBER_TO_FPTR(name) name
16c91539 212#endif /* !PERL_CORE */
76e3520e 213
16c91539 214#define CALLRUNOPS PL_runops
f9f4320a 215
3ab4a224 216#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 217
16c91539 218#define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
a340edde 219#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,sv,data,flags) \
16c91539 220 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
a340edde 221 (strbeg),(minend),(sv),(data),(flags))
52a21eb3
DM		 222#define CALLREG_INTUIT_START(prog,sv,strbeg,strpos,strend,flags,data) \
223 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strbeg), (strpos), \
f9f4320a
YO		 224 (strend),(flags),(data))
225#define CALLREG_INTUIT_STRING(prog) \
16c91539 226 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
f8149455 227
f8149455
YO		 228#define CALLREGFREE(prog) \
229 Perl_pregfree(aTHX_ (prog))
230
231#define CALLREGFREE_PVT(prog) \
16c91539 232 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
f8149455 233
2fdbfb4d 234#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
16c91539 235 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
93b32b6d 236
2fdbfb4d 237#define CALLREG_NUMBUF_STORE(rx,paren,value) \
16c91539 238 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
2fdbfb4d
AB		 239
240#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
16c91539 241 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
2fdbfb4d 242
192b9cd1 243#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
16c91539 244 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
192b9cd1
AB		 245
246#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
16c91539 247 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
192b9cd1
AB		 248
249#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
16c91539 250 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB		 251
252#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
16c91539 253 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB		 254
255#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
16c91539 256 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB		 257
258#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
16c91539 259 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB		 260
261#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
16c91539 262 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB		 263
264#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
16c91539 265 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
AB		 266
267#define CALLREG_NAMED_BUFF_COUNT(rx) \
16c91539 268 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
192b9cd1
AB		 269
270#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
16c91539 271 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 272
49d7dfbc 273#define CALLREG_PACKAGE(rx) \
16c91539 274 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
93b32b6d 275
00f254e2 276#if defined(USE_ITHREADS)
f9f4320a 277#define CALLREGDUPE(prog,param) \
f8149455
YO		 278 Perl_re_dup(aTHX_ (prog),(param))
279
280#define CALLREGDUPE_PVT(prog,param) \
16c91539 281 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
00f254e2 282 : (REGEXP *)NULL)
f9f4320a 283#endif
14dd3ad8 284
a20207d7 285
bcdf7404 286
a20207d7
YO		 287
288
5ba4cab2
SH		 289/*
290 * Because of backward compatibility reasons the PERL_UNUSED_DECL
291 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
292 *
293 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 294 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 295 * marking unused variables (they need e.g. a #pragma) and therefore
296 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
297 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
298 *
299 */
1266ad8c 300
9969cdde 301#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 302# ifdef __cplusplus
5ba4cab2 303# define PERL_UNUSED_DECL
5b2bd0a5 304# else
5ba4cab2 305# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 306# endif
307#endif
44dbb695 308
5b2bd0a5 309#ifndef PERL_UNUSED_DECL
34659ad4 310# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 311# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 312# else
5ba4cab2 313# define PERL_UNUSED_DECL
b79c357a 314# endif
5b2bd0a5 315#endif
00f254e2 316
349b520e
DM		 317/* gcc -Wall:
318 * for silencing unused variables that are actually used most of the time,
a0288114 319 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 320 */
53c1dcc0 321#ifndef PERL_UNUSED_ARG
c99ffe5e 322# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 323# include <note.h>
53c1dcc0 324# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 325# else
53c1dcc0 326# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 327# endif
328#endif
53c1dcc0
AL		 329#ifndef PERL_UNUSED_VAR
330# define PERL_UNUSED_VAR(x) ((void)x)
331#endif
ad73156c 332
96a5add6
AL		 333#ifdef USE_ITHREADS
334# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
335#else
336# define PERL_UNUSED_CONTEXT
337#endif
338
6f207bd3 339#define NOOP /*EMPTY*/(void)0
bafdc25d
NC		 340/* cea2e8a9dd23747f accidentally lost the comment originally from the first
341 check in of thread.h, explaining why we need dNOOP at all: */
342/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
343/* Declaring a *function*, instead of a variable, ensures that we don't rely
344 on being able to suppress "unused" warnings. */
7db66e12
CB		 345#ifdef __cplusplus
346#define dNOOP (void)0
347#else
64a8239e 348#define dNOOP extern int Perl___notused(void)
7db66e12 349#endif
71be2cbc 350
0cb96387 351#ifndef pTHX
e8dda941
JD		 352/* Don't bother defining tTHX and sTHX; using them outside
353 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
354 */
0cb96387
GS		 355# define pTHX void
356# define pTHX_
0cb96387
GS		 357# define aTHX
358# define aTHX_
9399a70c 359# define aTHXa(a) NOOP
0cb96387
GS		 360# define dTHXa(a) dNOOP
361# define dTHX dNOOP
894356b3
GS		 362# define pTHX_1 1
363# define pTHX_2 2
364# define pTHX_3 3
365# define pTHX_4 4
3d42dc86
RGS		 366# define pTHX_5 5
367# define pTHX_6 6
a3b680e6
AL		 368# define pTHX_7 7
369# define pTHX_8 8
370# define pTHX_9 9
0cb96387
GS		 371#endif
372
27da23d5
JH		 373#ifndef dVAR
374# define dVAR dNOOP
375#endif
376
b4f7f263
GS		 377/* these are only defined for compatibility; should not be used internally */
378#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 379# define pTHXo pTHX
380# define pTHXo_ pTHX_
0cb96387
GS		 381# define aTHXo aTHX
382# define aTHXo_ aTHX_
c5be433b 383# define dTHXo dTHX
71d280e3 384# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 385#endif
386
387#ifndef pTHXx
5aaab254 388# define pTHXx PerlInterpreter *my_perl
0cb96387 389# define pTHXx_ pTHXx,
0cb96387
GS		 390# define aTHXx my_perl
391# define aTHXx_ aTHXx,
c5be433b 392# define dTHXx dTHX
22c35a8c 393#endif
71be2cbc 394
1de7c2ac
GS		 395/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
396 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
397 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
398#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 399# ifdef PERL_GLOBAL_STRUCT_PRIVATE
400# define dTHXs dVAR; dTHX
401# else
402# define dTHXs dTHX
403# endif
1de7c2ac 404#else
27da23d5
JH		 405# ifdef PERL_GLOBAL_STRUCT_PRIVATE
406# define dTHXs dVAR
407# else
408# define dTHXs dNOOP
409# endif
1de7c2ac
GS		 410#endif
411
27da23d5
JH		 412/* Some platforms require marking function declarations
413 * for them to be exportable. Used in perlio.h, proto.h
414 * is handled either by the makedef.pl or by defining the
415 * PERL_CALLCONV to be something special. See also the
416 * definition of XS() in XSUB.h. */
417#ifndef PERL_EXPORT_C
a0c21aa1
JH		 418# ifdef __cplusplus
419# define PERL_EXPORT_C extern "C"
420# else
421# define PERL_EXPORT_C extern
422# endif
27da23d5
JH		 423#endif
424#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 425# ifdef __cplusplus
426# define PERL_XS_EXPORT_C extern "C"
427# else
428# define PERL_XS_EXPORT_C
429# endif
27da23d5
JH		 430#endif
431
462e5cf6
MB		 432#ifdef OP_IN_REGISTER
433# ifdef __GNUC__
434# define stringify_immed(s) #s
435# define stringify(s) stringify_immed(s)
5aaab254 436struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 437# endif
438#endif
439
e5afc1ae 440/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 441 * g++ allows them but seems to have problems with them
70aab261
RB		 442 * (insane errors ensue).
443 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
444 */
445#if defined(PERL_GCC_PEDANTIC) || \
446 (defined(__GNUC__) && defined(__cplusplus) && \
447 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 448# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 449# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
450# endif
5dc8bdac
JH		 451#endif
452
5b692037
JH		 453#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
454# ifndef PERL_USE_GCC_BRACE_GROUPS
455# define PERL_USE_GCC_BRACE_GROUPS
456# endif
457#endif
458
728e2803
PP		 459/*
460 * STMT_START { statements; } STMT_END;
461 * can be used as a single statement, as in
462 * if (x) STMT_START { ... } STMT_END; else ...
463 *
464 * Trying to select a version that gives no warnings...
465 */
466#if !(defined(STMT_START) && defined(STMT_END))
5b692037 467# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 468# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803
PP		 469# define STMT_END )
470# else
471 /* Now which other defined()s do we need here ??? */
1400a53b 472# if (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803
PP		 473# define STMT_START if (1)
474# define STMT_END else (void)0
475# else
476# define STMT_START do
477# define STMT_END while (0)
478# endif
479# endif
480#endif
481
d6f9c181
JH		 482#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
483# define BYTEORDER 0x1234
79072805
LW		 484#endif
485
486/* Overall memory policy? */
487#ifndef CONSERVATIVE
488# define LIBERAL 1
489#endif
490
8ada0baa
JH		 491#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
492#define ASCIIish
493#else
494#undef ASCIIish
495#endif
496
79072805
LW		 497/*
498 * The following contortions are brought to you on behalf of all the
499 * standards, semi-standards, de facto standards, not-so-de-facto standards
500 * of the world, as well as all the other botches anyone ever thought of.
501 * The basic theory is that if we work hard enough here, the rest of the
502 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
503 */
ac58e20f 504
ee0007ab 505/* define this once if either system, instead of cluttering up the src */
7c458fae 506#if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 507#define DOSISH 1
508#endif
509
739a0b84 510#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 511# define STANDARD_C 1
512#endif
513
8d87852b 514#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745
PP		 515# define DONT_DECLARE_STD 1
516#endif
517
352d5a3a 518#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 519# define VOL volatile
663a0e37 520#else
79072805 521# define VOL
663a0e37
LW		 522#endif
523
284167a5
SM		 524/* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
525 * you get a perl without taint support, but doubtlessly with a lesser
526 * degree of support. Do not do so unless you know exactly what it means
527 * technically, have a good reason to do so, and know exactly how the
528 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
529 * a potential security risk due to flat out ignoring the security-relevant
530 * taint flags. This being said, a perl without taint support compiled in
531 * has marginal run-time performance benefits.
532 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
533 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
534 * silently ignores -t/-T instead of throwing an exception.
053a3618
SM		 535 *
536 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
6ecb40c7 537 * voids your nonexistent warranty!
284167a5
SM		 538 */
539#if SILENT_NO_TAINT_SUPPORT && !defined(NO_TAINT_SUPPORT)
540# define NO_TAINT_SUPPORT 1
541#endif
542
543/* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
544 * operations into no-ops for a very modest speed-up. Enable only if you
545 * know what you're doing: tests and CPAN modules' tests are bound to fail.
546 */
547#if NO_TAINT_SUPPORT
548# define TAINT NOOP
549# define TAINT_NOT NOOP
550# define TAINT_IF(c) NOOP
551# define TAINT_ENV() NOOP
552# define TAINT_PROPER(s) NOOP
553# define TAINT_set(s) NOOP
554# define TAINT_get 0
555# define TAINTING_get 0
556# define TAINTING_set(s) NOOP
557# define TAINT_WARN_get 0
558# define TAINT_WARN_set(s) NOOP
559#else
560# define TAINT (PL_tainted = TRUE)
561# define TAINT_NOT (PL_tainted = FALSE)
2439e033
SM		 562# define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = TRUE; }
563# define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); }
564# define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); }
284167a5
SM		 565# define TAINT_set(s) (PL_tainted = (s))
566# define TAINT_get (PL_tainted)
567# define TAINTING_get (PL_tainting)
568# define TAINTING_set(s) (PL_tainting = (s))
569# define TAINT_WARN_get (PL_taint_warn)
570# define TAINT_WARN_set(s) (PL_taint_warn = (s))
571#endif
a687059c 572
20be6587
DM		 573/* flags used internally only within pp_subst and pp_substcont */
574#ifdef PERL_CORE
575# define SUBST_TAINT_STR 1 /* string tainted */
576# define SUBST_TAINT_PAT 2 /* pattern tainted */
577# define SUBST_TAINT_REPL 4 /* replacement tainted */
578# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
579# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
580#endif
581
d460ef45 582/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de
PP		 583 defines move there? If so, I could simplify this a lot. --AD 9/96.
584*/
585/* Process group stuff changed from traditional BSD to POSIX.
586 perlfunc.pod documents the traditional BSD-style syntax, so we'll
587 try to preserve that, if possible.
588*/
589#ifdef HAS_SETPGID
590# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 591#else
a6e633de
PP		 592# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
593# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
594# else
595# ifdef HAS_SETPGRP2 /* DG/UX */
596# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
597# endif
598# endif
599#endif
600#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
601# define HAS_SETPGRP /* Well, effectively it does . . . */
602#endif
603
604/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
605 our life easier :-) so we'll try it.
606*/
607#ifdef HAS_GETPGID
608# define BSD_GETPGRP(pid) getpgid((pid))
609#else
610# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
611# define BSD_GETPGRP(pid) getpgrp((pid))
612# else
613# ifdef HAS_GETPGRP2 /* DG/UX */
614# define BSD_GETPGRP(pid) getpgrp2((pid))
615# endif
616# endif
617#endif
618#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
619# define HAS_GETPGRP /* Well, effectively it does . . . */
620#endif
621
d460ef45 622/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
PP		 623 have different behaviors, but perl.h used to define USE_BSDPGRP
624 (prior to 5.003_05) so some extension might depend on it.
625*/
626#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
627# ifndef USE_BSDPGRP
628# define USE_BSDPGRP
629# endif
663a0e37
LW		 630#endif
631
486ec47a 632/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH		 633 pthread.h must be included before all other header files.
634*/
3db8f154 635#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 636# include <pthread.h>
637#endif
638
760ac839
LW		 639#ifndef _TYPES_ /* If types.h defines this it's easy. */
640# ifndef major /* Does everyone's types.h define this? */
641# include <sys/types.h>
c07a80fd 642# endif
663a0e37
LW		 643#endif
644
760ac839
LW		 645#ifdef __cplusplus
646# ifndef I_STDARG
647# define I_STDARG 1
648# endif
649#endif
650
651#ifdef I_STDARG
652# include <stdarg.h>
653#else
654# ifdef I_VARARGS
655# include <varargs.h>
656# endif
657#endif
658
4633a7c4 659#ifdef USE_NEXT_CTYPE
0c30d9ec 660
092bebab
JH		 661#if NX_CURRENT_COMPILER_RELEASE >= 500
662# include <bsd/ctypes.h>
663#else
664# if NX_CURRENT_COMPILER_RELEASE >= 400
665# include <objc/NXCType.h>
666# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
667# include <appkit/NXCType.h>
668# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
669#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec
PP		 670
671#else /* !USE_NEXT_CTYPE */
fe14fcc3 672#include <ctype.h>
0c30d9ec 673#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 674
675#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
676#undef METHOD
a0d0e21e
LW		 677#endif
678
12ae5dfc
JH		 679#ifdef PERL_MICRO
680# define NO_LOCALE
681#endif
682
4633a7c4 683#ifdef I_LOCALE
36477c24 684# include <locale.h>
4633a7c4
LW		 685#endif
686
36477c24
PP		 687#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
688# define USE_LOCALE
ccd65d51
KW		 689# define HAS_SKIP_LOCALE_INIT /* Solely for XS code to test for this
690 capability */
36477c24
PP		 691# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
692 && defined(HAS_STRXFRM)
693# define USE_LOCALE_COLLATE
694# endif
695# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
696# define USE_LOCALE_CTYPE
697# endif
698# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
699# define USE_LOCALE_NUMERIC
700# endif
fa9b773e
KW		 701# if !defined(NO_LOCALE_MESSAGES) && defined(LC_MESSAGES)
702# define USE_LOCALE_MESSAGES
703# endif
704# if !defined(NO_LOCALE_MONETARY) && defined(LC_MONETARY)
705# define USE_LOCALE_MONETARY
706# endif
36477c24 707#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 708
fe14fcc3 709#include <setjmp.h>
79072805 710
a0d0e21e 711#ifdef I_SYS_PARAM
79072805
LW		 712# ifdef PARAM_NEEDS_TYPES
713# include <sys/types.h>
714# endif
715# include <sys/param.h>
352d5a3a 716#endif
79072805 717
79072805 718/* Use all the "standard" definitions? */
a0d0e21e 719#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 720# include <stdlib.h>
ff68c719 721#endif
03a14243 722
3f270f98
JH		 723/* If this causes problems, set i_unistd=undef in the hint file. */
724#ifdef I_UNISTD
725# include <unistd.h>
726#endif
727
de8ca8af
NT		 728/* for WCOREDUMP */
729#ifdef I_SYS_WAIT
730# include <sys/wait.h>
731#endif
732
9969cdde 733#ifdef __SYMBIAN32__
27da23d5
JH		 734# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
735#endif
736
21e89b5f 737#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO)
c45598c5 738EXTERN_C int syscall(int, ...);
2ef53570
JH		 739#endif
740
21e89b5f 741#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO)
c45598c5 742EXTERN_C int usleep(unsigned int);
2ef53570
JH		 743#endif
744
1109a392
MHM		 745#ifdef PERL_CORE
746
747/* macros for correct constant construction */
748# if INTSIZE >= 2
749# define U16_CONST(x) ((U16)x##U)
750# else
751# define U16_CONST(x) ((U16)x##UL)
752# endif
753
754# if INTSIZE >= 4
755# define U32_CONST(x) ((U32)x##U)
756# else
757# define U32_CONST(x) ((U32)x##UL)
758# endif
759
760# ifdef HAS_QUAD
761# if INTSIZE >= 8
762# define U64_CONST(x) ((U64)x##U)
763# elif LONGSIZE >= 8
764# define U64_CONST(x) ((U64)x##UL)
765# elif QUADKIND == QUAD_IS_LONG_LONG
766# define U64_CONST(x) ((U64)x##ULL)
52865553
SH		 767# elif QUADKIND == QUAD_IS___INT64
768# define U64_CONST(x) ((U64)x##UI64)
1109a392
MHM		 769# else /* best guess we can make */
770# define U64_CONST(x) ((U64)x##UL)
771# endif
772# endif
773
774/* byte-swapping functions for big-/little-endian conversion */
775# define _swab_16_(x) ((U16)( \
776 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
777 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
778
779# define _swab_32_(x) ((U32)( \
780 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
781 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
782 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
783 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
784
785# ifdef HAS_QUAD
786# define _swab_64_(x) ((U64)( \
787 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
788 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
789 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
790 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
791 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
792 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
793 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
794 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
795# endif
796
9c17f24a
NC		 797/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
798 at least on FreeBSD. YMMV, so experiment. */
799#ifndef PERL_ARENA_SIZE
800#define PERL_ARENA_SIZE 4080
801#endif
802
ccb2c8b8 803/* Maximum level of recursion */
2b9dff67
RGS		 804#ifndef PERL_SUB_DEPTH_WARN
805#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 806#endif
807
1109a392
MHM		 808#endif /* PERL_CORE */
809
bdf3085f
NC		 810/* We no longer default to creating a new SV for GvSV.
811 Do this before embed. */
812#ifndef PERL_CREATE_GVSV
7459f06b
NC		 813# ifndef PERL_DONT_CREATE_GVSV
814# define PERL_DONT_CREATE_GVSV
815# endif
bdf3085f
NC		 816#endif
817
ca0c25f6
NC		 818#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
819#define PERL_USES_PL_PIDSTATUS
820#endif
821
739a0b84 822#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
a62746fa
RGS		 823#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
824#endif
825
c31fac66
GS		 826#define MEM_SIZE Size_t
827
1936d2a7
NC		 828/* Round all values passed to malloc up, by default to a multiple of
829 sizeof(size_t)
830*/
831#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
832#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
833#endif
834
f1200559
WH		 835/* sv_grow() will expand strings by at least a certain percentage of
836 the previously *used* length to avoid excessive calls to realloc().
837 The default is 25% of the current length.
838*/
839#ifndef PERL_STRLEN_EXPAND_SHIFT
840# define PERL_STRLEN_EXPAND_SHIFT 2
841#endif
842
51371543
GS		 843#if defined(STANDARD_C) && defined(I_STDDEF)
844# include <stddef.h>
845# define STRUCT_OFFSET(s,m) offsetof(s,m)
846#else
847# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
848#endif
849
9969cdde 850#ifndef __SYMBIAN32__
27da23d5
JH		 851# if defined(I_STRING) || defined(__cplusplus)
852# include <string.h>
853# else
854# include <strings.h>
855# endif
51371543
GS		 856#endif
857
55497cff
PP		 858/* This comes after <stdlib.h> so we don't try to change the standard
859 * library prototypes; we'll use our own in proto.h instead. */
03a14243 860
4633a7c4 861#ifdef MYMALLOC
86058a2d 862# ifdef PERL_POLLUTE_MALLOC
ee13e175 863# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 864# define Perl_malloc malloc
865# define Perl_calloc calloc
866# define Perl_realloc realloc
867# define Perl_mfree free
ee13e175 868# endif
86058a2d
GS		 869# else
870# define EMBEDMYMALLOC /* for compatibility */
871# endif
827e134a 872
651b9576
GS		 873# define safemalloc Perl_malloc
874# define safecalloc Perl_calloc
875# define saferealloc Perl_realloc
876# define safefree Perl_mfree
22f7c9c9
JH		 877# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
878 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
879 code; \
880 } STMT_END
881# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
882 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
883# define panic_write2(s) write(2, s, strlen(s))
884# define CHECK_MALLOC_TAINT(newval) \
885 CHECK_MALLOC_TOO_LATE_FOR_( \
886 if (newval) { \
887 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
888 exit(1); })
22f7c9c9 889# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 890 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 891 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
892 }} STMT_END;
f2517201
GS		 893#else /* MYMALLOC */
894# define safemalloc safesysmalloc
895# define safecalloc safesyscalloc
896# define saferealloc safesysrealloc
897# define safefree safesysfree
22f7c9c9
JH		 898# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
899# define CHECK_MALLOC_TAINT(newval) ((void)0)
900# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 901#endif /* MYMALLOC */
4633a7c4 902
fe13d51d 903/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 904#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		 905#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
906#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
907#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
908
a0d0e21e
LW		 909#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
910#define strchr index
911#define strrchr rindex
912#endif
913
16d20bd9
AD		 914#ifdef I_MEMORY
915# include <memory.h>
916#endif
917
fe14fcc3 918#ifdef HAS_MEMCPY
85e6fe83 919# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 920# ifndef memcpy
20ce7b12 921 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 922# endif
923# endif
924#else
925# ifndef memcpy
926# ifdef HAS_BCOPY
927# define memcpy(d,s,l) bcopy(s,d,l)
928# else
929# define memcpy(d,s,l) my_bcopy(s,d,l)
930# endif
931# endif
932#endif /* HAS_MEMCPY */
fe14fcc3 933
ee0007ab 934#ifdef HAS_MEMSET
85e6fe83 935# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 936# ifndef memset
20ce7b12 937 extern char *memset (char*, int, int);
ee0007ab
LW		 938# endif
939# endif
ee0007ab 940#else
12ae5dfc 941# undef memset
fc36a67e 942# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 943#endif /* HAS_MEMSET */
944
85e6fe83 945#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 946# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 947# define memmove(d,s,l) bcopy(s,d,l)
948# else
2304df62 949# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 950# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 951# else
79072805 952# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 953# endif
352d5a3a 954# endif
d9d8d8de 955#endif
ee0007ab 956
36477c24
PP		 957#if defined(mips) && defined(ultrix) && !defined(__STDC__)
958# undef HAS_MEMCMP
959#endif
960
961#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 962# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 963# ifndef memcmp
20ce7b12 964 extern int memcmp (char*, char*, int);
ee0007ab
LW		 965# endif
966# endif
36477c24 967# ifdef BUGGY_MSC
7e4e8c89 968# pragma function(memcmp)
36477c24 969# endif
ee0007ab
LW		 970#else
971# ifndef memcmp
ecfc5424 972# define memcmp my_memcmp
352d5a3a 973# endif
36477c24 974#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 975
fc36a67e 976#ifndef memzero
c635e13b
PP		 977# ifdef HAS_MEMSET
978# define memzero(d,l) memset(d,0,l)
79072805 979# else
c635e13b
PP		 980# ifdef HAS_BZERO
981# define memzero(d,l) bzero(d,l)
79072805 982# else
fc36a67e 983# define memzero(d,l) my_bzero(d,l)
79072805
LW		 984# endif
985# endif
d9d8d8de 986#endif
378cc40b 987
2f42fcb0 988#ifndef PERL_MICRO
0f27ced1
JH		 989#ifndef memchr
990# ifndef HAS_MEMCHR
991# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
992# endif
993#endif
2f42fcb0 994#endif
0f27ced1 995
36477c24
PP		 996#ifndef HAS_BCMP
997# ifndef bcmp
998# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 999# endif
36477c24 1000#endif /* !HAS_BCMP */
378cc40b 1001
ae986130 1002#ifdef I_NETINET_IN
79072805 1003# include <netinet/in.h>
ae986130
LW		 1004#endif
1005
28e8609d
JH		 1006#ifdef I_ARPA_INET
1007# include <arpa/inet.h>
1008#endif
1009
84902520
TB		 1010#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1011/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1012 * (the neo-BSD seem to do this). */
1013# undef SF_APPEND
1014#endif
1015
1aef975c 1016#ifdef I_SYS_STAT
84902520 1017# include <sys/stat.h>
1aef975c 1018#endif
79072805 1019
287a962e
JD		 1020/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1021 This definition should ideally go into win32/win32.h, but S_IFIFO is
1022 used later here in perl.h before win32/win32.h is being included. */
1023#if !defined(S_IFIFO) && defined(_S_IFIFO)
1024# define S_IFIFO _S_IFIFO
1025#endif
1026
cc3315ba 1027/* The stat macros for Unisoft System V/88 (and derivatives
a0d0e21e
LW		 1028 like UTekV) are broken, sometimes giving false positives. Undefine
1029 them here and let the code below set them to proper values.
1030
1031 The ghs macro stands for GreenHills Software C-1.8.5 which
1032 is the C compiler for sysV88 and the various derivatives.
1033 This header file bug is corrected in gcc-2.5.8 and later versions.
1034 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1035
cc3315ba 1036#if defined(m88k) && defined(ghs)
79072805
LW		 1037# undef S_ISDIR
1038# undef S_ISCHR
1039# undef S_ISBLK
1040# undef S_ISREG
1041# undef S_ISFIFO
1042# undef S_ISLNK
ee0007ab 1043#endif
135863df 1044
663a0e37
LW		 1045#ifdef I_TIME
1046# include <time.h>
ffed7fef 1047#endif
663a0e37 1048
fe14fcc3 1049#ifdef I_SYS_TIME
85e6fe83 1050# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1051# define KERNEL
1052# endif
1053# include <sys/time.h>
85e6fe83 1054# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1055# undef KERNEL
1056# endif
a687059c 1057#endif
135863df 1058
55497cff 1059#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1060# include <sys/times.h>
d9d8d8de 1061#endif
8d063cd8 1062
fe14fcc3 1063#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1064# undef HAS_STRERROR
663a0e37
LW		 1065#endif
1066
1067#include <errno.h>
1e743fda 1068
acfe0abc 1069#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1070# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1071#endif
1072
8cfab5ff 1073/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1074 * This is important for using IPv6.
8cfab5ff
JH		 1075 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1076 * a bad idea since it breaks send() and recv(). */
1077#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1078# define _SOCKADDR_LEN
1079#endif
1080
da70cfc6 1081#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH		 1082# include <sys/socket.h>
1083# if defined(USE_SOCKS) && defined(I_SOCKS)
1084# if !defined(INCLUDE_PROTOTYPES)
1085# define INCLUDE_PROTOTYPES /* for <socks.h> */
1086# define PERL_SOCKS_NEED_PROTOTYPES
1087# endif
1088# include <socks.h>
1089# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1090# undef INCLUDE_PROTOTYPES
1091# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1092# endif
d460ef45 1093# endif
1e743fda 1094# ifdef I_NETDB
2986a63f
JH		 1095# ifdef NETWARE
1096# include<stdio.h>
1097# endif
1e743fda
JH		 1098# include <netdb.h>
1099# endif
1100# ifndef ENOTSOCK
1101# ifdef I_NET_ERRNO
1102# include <net/errno.h>
1103# endif
1104# endif
1105#endif
1106
fa0a29af 1107/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1108 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1109 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1110#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1111# if defined(__THROW) && defined(__GLIBC__)
1112int sockatmark(int) __THROW;
1113# else
2ef53570 1114int sockatmark(int);
29820b6d 1115# endif
2ef53570
JH		 1116#endif
1117
7e827271 1118#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		 1119EXTERN_C int fchdir(int);
1120EXTERN_C int flock(int, int);
1121EXTERN_C int fseeko(FILE *, off_t, int);
1122EXTERN_C off_t ftello(FILE *);
1123#endif
1124
7e827271 1125#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1126EXTERN_C char *crypt(const char *, const char *);
7e827271 1127EXTERN_C char **environ;
1ccb7c8d
JH		 1128#endif
1129
83a6ff2e 1130#if defined(__cplusplus)
944c4fda 1131# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1132EXTERN_C char **environ;
83a6ff2e 1133# elif defined(__CYGWIN__)
667e2948
SP		 1134EXTERN_C char *crypt(const char *, const char *);
1135#endif
83a6ff2e 1136#endif
667e2948 1137
1e743fda
JH		 1138#ifdef SETERRNO
1139# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1140#endif
f86702cc
PP		 1141
1142#ifdef VMS
1143# define SETERRNO(errcode,vmserrcode) \
1144 STMT_START { \
1145 set_errno(errcode); \
1146 set_vaxc_errno(vmserrcode); \
1147 } STMT_END
4ee39169
CS		 1148# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1149# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1150# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1151# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1152
93189314
JH		 1153# define LIB_INVARG LIB$_INVARG
1154# define RMS_DIR RMS$_DIR
1155# define RMS_FAC RMS$_FAC
1156# define RMS_FEX RMS$_FEX
1157# define RMS_FNF RMS$_FNF
1158# define RMS_IFI RMS$_IFI
1159# define RMS_ISI RMS$_ISI
1160# define RMS_PRV RMS$_PRV
1161# define SS_ACCVIO SS$_ACCVIO
1162# define SS_DEVOFFLINE SS$_DEVOFFLINE
1163# define SS_IVCHAN SS$_IVCHAN
1164# define SS_NORMAL SS$_NORMAL
748a9306 1165#else
93189314
JH		 1166# define LIB_INVARG 0
1167# define RMS_DIR 0
1168# define RMS_FAC 0
1169# define RMS_FEX 0
1170# define RMS_FNF 0
1171# define RMS_IFI 0
1172# define RMS_ISI 0
1173# define RMS_PRV 0
1174# define SS_ACCVIO 0
1175# define SS_DEVOFFLINE 0
1176# define SS_IVCHAN 0
1177# define SS_NORMAL 0
748a9306 1178#endif
ed6116ce 1179
6ca940a9
TC		 1180#ifdef WIN32
1181# define dSAVEDERRNO int saved_errno; DWORD saved_win32_errno
1182# define dSAVE_ERRNO int saved_errno = errno; DWORD saved_win32_errno = GetLastError()
1183# define SAVE_ERRNO ( saved_errno = errno, saved_win32_errno = GetLastError() )
1184# define RESTORE_ERRNO ( errno = saved_errno, SetLastError(saved_win32_errno) )
1185#endif
1186
1187#ifdef OS2
1188# define dSAVEDERRNO int saved_errno; unsigned long saved_os2_errno
1189# define dSAVE_ERRNO int saved_errno = errno; unsigned long saved_os2_errno = Perl_rc
1190# define SAVE_ERRNO ( saved_errno = errno, saved_os2_errno = Perl_rc )
1191# define RESTORE_ERRNO ( errno = saved_errno, Perl_rc = saved_os2_errno )
1192#endif
1193
1194#ifndef SETERRNO
1195# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
1196#endif
1197
1198#ifndef dSAVEDERRNO
1199# define dSAVEDERRNO int saved_errno
1200# define dSAVE_ERRNO int saved_errno = errno
1201# define SAVE_ERRNO (saved_errno = errno)
1202# define RESTORE_ERRNO (errno = saved_errno)
1203#endif
1204
f5fa9033 1205#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC		 1206
1207#define CLEAR_ERRSV() STMT_START { \
1208 if (!GvSV(PL_errgv)) { \
1209 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1210 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1211 SvREFCNT_dec(GvSV(PL_errgv)); \
1212 GvSV(PL_errgv) = newSVpvs(""); \
1213 } else { \
1214 SV *const errsv = GvSV(PL_errgv); \
1215 sv_setpvs(errsv, ""); \
1216 if (SvMAGICAL(errsv)) { \
1217 mg_free(errsv); \
1218 } \
1219 SvPOK_only(errsv); \
1220 } \
1221 } STMT_END
1222
1223
414bf5ae
MHM		 1224#ifdef PERL_CORE
1225# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC		 1226# define DEFSV_set(sv) \
1227 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1228# define SAVE_DEFSV \
1229 ( \
1230 save_gp(PL_defgv, 0), \
1231 GvINTRO_off(PL_defgv), \
1232 SAVEGENERICSV(GvSV(PL_defgv)), \
1233 GvSV(PL_defgv) = NULL \
1234 )
414bf5ae
MHM		 1235#else
1236# define DEFSV GvSVn(PL_defgv)
55b5114f
FC		 1237# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1238# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1239#endif
38a03e6e 1240
98eae8f5
GS		 1241#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1242
55497cff 1243#ifndef errno
5ff3f7a4
GS		 1244 extern int errno; /* ANSI allows errno to be an lvalue expr.
1245 * For example in multithreaded environments
1246 * something like this might happen:
1247 * extern int *_errno(void);
1248 * #define errno (*_errno()) */
d9d8d8de 1249#endif
663a0e37 1250
2304df62 1251#ifdef HAS_STRERROR
b3e384bf 1252# ifndef DONT_DECLARE_STD
a0d0e21e 1253# ifdef VMS
20ce7b12 1254 char *strerror (int,...);
a0d0e21e 1255# else
20ce7b12 1256 char *strerror (int);
a0d0e21e 1257# endif
b3e384bf
KW		 1258# endif
1259# ifndef Strerror
1260# define Strerror strerror
1261# endif
2304df62
AD		 1262#else
1263# ifdef HAS_SYS_ERRLIST
79072805
LW		 1264 extern int sys_nerr;
1265 extern char *sys_errlist[];
2304df62
AD		 1266# ifndef Strerror
1267# define Strerror(e) \
79072805 1268 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1269# endif
79072805 1270# endif
35c8bce7 1271#endif
663a0e37 1272
2304df62 1273#ifdef I_SYS_IOCTL
79072805
LW		 1274# ifndef _IOCTL_
1275# include <sys/ioctl.h>
1276# endif
a687059c
LW		 1277#endif
1278
ee0007ab 1279#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1280# ifdef HAS_SOCKETPAIR
1281# undef HAS_SOCKETPAIR
1282# endif
2304df62
AD		 1283# ifdef I_NDBM
1284# undef I_NDBM
79072805 1285# endif
a687059c
LW		 1286#endif
1287
02fc2eee
NC		 1288#ifndef HAS_SOCKETPAIR
1289# ifdef HAS_SOCKET
1290# define socketpair Perl_my_socketpair
1291# endif
1292#endif
1293
a687059c 1294#if INTSIZE == 2
79072805
LW		 1295# define htoni htons
1296# define ntohi ntohs
a687059c 1297#else
79072805
LW		 1298# define htoni htonl
1299# define ntohi ntohl
a687059c
LW		 1300#endif
1301
a0d0e21e 1302/* Configure already sets Direntry_t */
35c8bce7 1303#if defined(I_DIRENT)
663a0e37 1304# include <dirent.h>
8f1f23e8
W		 1305 /* NeXT needs dirent + sys/dir.h */
1306# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1307# include <sys/dir.h>
1308# endif
ae986130 1309#else
fe14fcc3 1310# ifdef I_SYS_NDIR
79a0689e 1311# include <sys/ndir.h>
663a0e37 1312# else
fe14fcc3 1313# ifdef I_SYS_DIR
79a0689e
LW		 1314# ifdef hp9000s500
1315# include <ndir.h> /* may be wrong in the future */
1316# else
1317# include <sys/dir.h>
1318# endif
663a0e37
LW		 1319# endif
1320# endif
4633a7c4 1321#endif
a687059c 1322
352d5a3a
LW		 1323#ifdef FPUTS_BOTCH
1324/* work around botch in SunOS 4.0.1 and 4.0.2 */
1325# ifndef fputs
79072805 1326# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1327# endif
1328#endif
1329
c623bd54
LW		 1330/*
1331 * The following gobbledygook brought to you on behalf of __STDC__.
1332 * (I could just use #ifndef __STDC__, but this is more bulletproof
1333 * in the face of half-implementations.)
1334 */
1335
21e89b5f 1336#if defined(I_SYSMODE)
ca6e1c26
JH		 1337#include <sys/mode.h>
1338#endif
1339
c623bd54
LW		 1340#ifndef S_IFMT
1341# ifdef _S_IFMT
1342# define S_IFMT _S_IFMT
1343# else
1344# define S_IFMT 0170000
1345# endif
1346#endif
1347
1348#ifndef S_ISDIR
1349# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1350#endif
1351
1352#ifndef S_ISCHR
1353# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1354#endif
1355
1356#ifndef S_ISBLK
fe14fcc3
LW		 1357# ifdef S_IFBLK
1358# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1359# else
1360# define S_ISBLK(m) (0)
1361# endif
c623bd54
LW		 1362#endif
1363
1364#ifndef S_ISREG
1365# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1366#endif
1367
1368#ifndef S_ISFIFO
fe14fcc3
LW		 1369# ifdef S_IFIFO
1370# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1371# else
1372# define S_ISFIFO(m) (0)
1373# endif
c623bd54
LW		 1374#endif
1375
1376#ifndef S_ISLNK
1377# ifdef _S_ISLNK
1378# define S_ISLNK(m) _S_ISLNK(m)
1379# else
1380# ifdef _S_IFLNK
1381# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1382# else
1383# ifdef S_IFLNK
1384# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1385# else
1386# define S_ISLNK(m) (0)
1387# endif
1388# endif
1389# endif
1390#endif
1391
1392#ifndef S_ISSOCK
1393# ifdef _S_ISSOCK
1394# define S_ISSOCK(m) _S_ISSOCK(m)
1395# else
1396# ifdef _S_IFSOCK
1397# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1398# else
1399# ifdef S_IFSOCK
1400# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1401# else
1402# define S_ISSOCK(m) (0)
1403# endif
1404# endif
1405# endif
1406#endif
1407
1408#ifndef S_IRUSR
1409# ifdef S_IREAD
1410# define S_IRUSR S_IREAD
1411# define S_IWUSR S_IWRITE
1412# define S_IXUSR S_IEXEC
1413# else
1414# define S_IRUSR 0400
1415# define S_IWUSR 0200
1416# define S_IXUSR 0100
1417# endif
fac7cdfc 1418#endif
1419
1420#ifndef S_IRGRP
1421# ifdef S_IRUSR
1422# define S_IRGRP (S_IRUSR>>3)
1423# define S_IWGRP (S_IWUSR>>3)
1424# define S_IXGRP (S_IXUSR>>3)
1425# else
1426# define S_IRGRP 0040
1427# define S_IWGRP 0020
1428# define S_IXGRP 0010
1429# endif
1430#endif
1431
1432#ifndef S_IROTH
1433# ifdef S_IRUSR
1434# define S_IROTH (S_IRUSR>>6)
1435# define S_IWOTH (S_IWUSR>>6)
1436# define S_IXOTH (S_IXUSR>>6)
1437# else
1438# define S_IROTH 0040
1439# define S_IWOTH 0020
1440# define S_IXOTH 0010
1441# endif
c623bd54
LW		 1442#endif
1443
1444#ifndef S_ISUID
1445# define S_ISUID 04000
1446#endif
1447
1448#ifndef S_ISGID
1449# define S_ISGID 02000
1450#endif
1451
ca6e1c26
JH		 1452#ifndef S_IRWXU
1453# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1454#endif
ca6e1c26
JH		 1455
1456#ifndef S_IRWXG
1457# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1458#endif
ca6e1c26
JH		 1459
1460#ifndef S_IRWXO
1461# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1462#endif
ca6e1c26 1463
b6c36746 1464/* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1465 * which would get included through <sys/file.h >, but that is 3000
1466 * lines in the future. --jhi */
1467
b6c36746 1468#if !defined(S_IREAD) && !defined(__HAIKU__)
ca6e1c26
JH		 1469# define S_IREAD S_IRUSR
1470#endif
1471
b6c36746 1472#if !defined(S_IWRITE) && !defined(__HAIKU__)
ca6e1c26
JH		 1473# define S_IWRITE S_IWUSR
1474#endif
1475
1476#ifndef S_IEXEC
1477# define S_IEXEC S_IXUSR
1478#endif
1479
79072805
LW		 1480#ifdef ff_next
1481# undef ff_next
352d5a3a
LW		 1482#endif
1483
a0d0e21e 1484#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1485# define SLOPPYDIVIDE
1486#endif
1487
748a9306
LW		 1488#ifdef UV
1489#undef UV
1490#endif
1491
ce582cee
NC		 1492/* For the times when you want the return value of sprintf, and you want it
1493 to be the length. Can't have a thread variable passed in, because C89 has
1494 no varargs macros.
1495*/
1496#ifdef SPRINTF_RETURNS_STRLEN
1497# define my_sprintf sprintf
1498#else
1499# define my_sprintf Perl_my_sprintf
1500#endif
1501
5b692037
JH		 1502/*
1503 * If we have v?snprintf() and the C99 variadic macros, we can just
1504 * use just the v?snprintf(). It is nice to try to trap the buffer
1505 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1506 * gcc statement expressions, then use the function wrappers which try
1507 * to trap the overflow. If we can use the gcc statement expressions,
1508 * we can try that even with the version that uses the C99 variadic
1509 * macros.
5b692037
JH		 1510 */
1511
1208b3dd
JH		 1512/* Note that we do not check against snprintf()/vsnprintf() returning
1513 * negative values because that is non-standard behaviour and we use
1514 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1515 * that should be true only if the snprintf()/vsnprintf() are true
1516 * to the standard. */
1517
dfeee9b1 1518#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1519# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1520# 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 1521# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1522# else
1523# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1524# endif
1525#else
1526# define my_snprintf Perl_my_snprintf
1208b3dd 1527# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1528#endif
1529
dfeee9b1 1530#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1531# ifdef PERL_USE_GCC_BRACE_GROUPS
9e440ecc 1532# define my_vsnprintf(buffer, len, ...) ({ int __len__ = vsnprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (Size_t)(len)) Perl_croak_nocontext("panic: vsnprintf buffer overflow"); __len__; })
1208b3dd 1533# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1534# else
1535# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1536# endif
1537#else
1538# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1539# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1540#endif
d9fad198 1541
a6cc4119
SP		 1542#ifdef HAS_STRLCAT
1543# define my_strlcat strlcat
1544#else
1545# define my_strlcat Perl_my_strlcat
1546#endif
1547
1548#ifdef HAS_STRLCPY
1549# define my_strlcpy strlcpy
1550#else
1551# define my_strlcpy Perl_my_strlcpy
1552#endif
1553
05f13f53 1554/*
27d4fb96
PP		 1555 The IV type is supposed to be long enough to hold any integral
1556 value or a pointer.
1557 --Andy Dougherty August 1996
1558*/
1559
a22e52b9
JH		 1560typedef IVTYPE IV;
1561typedef UVTYPE UV;
8175356b 1562
10cc9d2a 1563#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1564# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1565# define IV_MAX INT64_MAX
1566# define IV_MIN INT64_MIN
1567# define UV_MAX UINT64_MAX
cae7ae48
JH		 1568# ifndef UINT64_MIN
1569# define UINT64_MIN 0
1570# endif
5ff3f7a4
GS		 1571# define UV_MIN UINT64_MIN
1572# else
1573# define IV_MAX PERL_QUAD_MAX
1574# define IV_MIN PERL_QUAD_MIN
1575# define UV_MAX PERL_UQUAD_MAX
1576# define UV_MIN PERL_UQUAD_MIN
1577# endif
cf2093f6
JH		 1578# define IV_IS_QUAD
1579# define UV_IS_QUAD
79072805 1580#else
8175356b 1581# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1582# define IV_MAX INT32_MAX
1583# define IV_MIN INT32_MIN
716026f9
DL		 1584# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1585# define UV_MAX UINT32_MAX
1586# else
1587# define UV_MAX 4294967295U
1588# endif
cae7ae48
JH		 1589# ifndef UINT32_MIN
1590# define UINT32_MIN 0
1591# endif
5ff3f7a4
GS		 1592# define UV_MIN UINT32_MIN
1593# else
1594# define IV_MAX PERL_LONG_MAX
1595# define IV_MIN PERL_LONG_MIN
1596# define UV_MAX PERL_ULONG_MAX
1597# define UV_MIN PERL_ULONG_MIN
1598# endif
8175356b 1599# if IVSIZE == 8
cf2093f6
JH		 1600# define IV_IS_QUAD
1601# define UV_IS_QUAD
de1c2614
JH		 1602# ifndef HAS_QUAD
1603# define HAS_QUAD
1604# endif
cf2093f6
JH		 1605# else
1606# undef IV_IS_QUAD
1607# undef UV_IS_QUAD
de1c2614 1608# undef HAS_QUAD
cf2093f6 1609# endif
79072805 1610#endif
d7d93a81 1611
9a543cee
FC		 1612#define SSize_t_MAX (SSize_t)(~(size_t)0 >> 1)
1613
1109a392
MHM		 1614#ifndef HAS_QUAD
1615# undef PERL_NEED_MY_HTOLE64
1616# undef PERL_NEED_MY_LETOH64
1617# undef PERL_NEED_MY_HTOBE64
1618# undef PERL_NEED_MY_BETOH64
1619#endif
1620
cae7ae48 1621#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1622#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1623
28e5dec8 1624#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1625#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1626#endif
1627
d460ef45 1628/*
26bb67e2
JH		 1629 * The macros INT2PTR and NUM2PTR are (despite their names)
1630 * bi-directional: they will convert int/float to or from pointers.
1631 * However the conversion to int/float are named explicitly:
1632 * PTR2IV, PTR2UV, PTR2NV.
1633 *
1634 * For int conversions we do not need two casts if pointers are
1635 * the same size as IV and UV. Otherwise we need an explicit
1636 * cast (PTRV) to avoid compiler warnings.
1637 */
56431972
RB		 1638#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1639# define PTRV UV
1640# define INT2PTR(any,d) (any)(d)
1641#else
d460ef45 1642# if PTRSIZE == LONGSIZE
56431972 1643# define PTRV unsigned long
e91e3b10 1644# define PTR2ul(p) (unsigned long)(p)
42718184 1645# else
56431972 1646# define PTRV unsigned
42718184 1647# endif
e91e3b10
RB		 1648#endif
1649
1650#ifndef INT2PTR
56431972 1651# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1652#endif
e91e3b10
RB		 1653
1654#ifndef PTR2ul
1655# define PTR2ul(p) INT2PTR(unsigned long,p)
1656#endif
1657
56431972
RB		 1658#define NUM2PTR(any,d) (any)(PTRV)(d)
1659#define PTR2IV(p) INT2PTR(IV,p)
1660#define PTR2UV(p) INT2PTR(UV,p)
1661#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1662#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1663
8141890a
JH		 1664/* According to strict ANSI C89 one cannot freely cast between
1665 * data pointers and function (code) pointers. There are at least
1666 * two ways around this. One (used below) is to do two casts,
1667 * first the other pointer to an (unsigned) integer, and then
1668 * the integer to the other pointer. The other way would be
1669 * to use unions to "overlay" the pointers. For an example of
1670 * the latter technique, see union dirpu in struct xpvio in sv.h.
1671 * The only feasible use is probably temporarily storing
1672 * function pointers in a data pointer (such as a void pointer). */
1673
e91e3b10
RB		 1674#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1675#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1676
65202027 1677#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1678# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1679# define LONG_DOUBLE_EQUALS_DOUBLE
1680# endif
68d4903c 1681# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1682# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1683# endif
1684#endif
1685
2d4389e4
JH		 1686#ifdef OVR_DBL_DIG
1687/* Use an overridden DBL_DIG */
1688# ifdef DBL_DIG
1689# undef DBL_DIG
1690# endif
1691# define DBL_DIG OVR_DBL_DIG
1692#else
1693/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1694 default value for printing floating point numbers in Gconvert
1695 (see config.h). (It also has other uses, such as figuring out if
1696 a given precision of printing can be done with a double instead of
1697 a long double - Allen).
2d4389e4
JH		 1698*/
1699#ifdef I_LIMITS
1700#include <limits.h>
1701#endif
1702#ifdef I_FLOAT
1703#include <float.h>
1704#endif
1705#ifndef HAS_DBL_DIG
1706#define DBL_DIG 15 /* A guess that works lots of places */
1707#endif
1708#endif
1709
1710#ifdef OVR_LDBL_DIG
1711/* Use an overridden LDBL_DIG */
1712# ifdef LDBL_DIG
1713# undef LDBL_DIG
1714# endif
1715# define LDBL_DIG OVR_LDBL_DIG
1716#else
1717/* The following is all to get LDBL_DIG, in order to pick a nice
1718 default value for printing floating point numbers in Gconvert.
1719 (see config.h)
1720*/
68d4903c
JH		 1721# ifdef I_LIMITS
1722# include <limits.h>
1723# endif
1724# ifdef I_FLOAT
1725# include <float.h>
1726# endif
1727# ifndef HAS_LDBL_DIG
1728# if LONG_DOUBLESIZE == 10
1729# define LDBL_DIG 18 /* assume IEEE */
1730# else
1731# if LONG_DOUBLESIZE == 12
1732# define LDBL_DIG 18 /* gcc? */
1733# else
1734# if LONG_DOUBLESIZE == 16
1735# define LDBL_DIG 33 /* assume IEEE */
1736# else
1737# if LONG_DOUBLESIZE == DOUBLESIZE
1738# define LDBL_DIG DBL_DIG /* bummer */
1739# endif
1740# endif
1741# endif
1742# endif
1743# endif
2d4389e4
JH		 1744#endif
1745
20f6aaab
AS		 1746/*
1747 * This is for making sure we have a good DBL_MAX value, if possible,
1748 * either for usage as NV_MAX or for usage in figuring out if we can
1749 * fit a given long double into a double, if bug-fixing makes it
1750 * necessary to do so. - Allen <allens@cpan.org>
1751 */
1752
205f51d8
AS		 1753#ifdef I_LIMITS
1754# include <limits.h>
20f6aaab
AS		 1755#endif
1756
205f51d8
AS		 1757#ifdef I_VALUES
1758# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1759# include <values.h>
1760# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1761# define DBL_MAX MAXDOUBLE
1762# endif
1763# if defined(MINDOUBLE) && !defined(DBL_MIN)
1764# define DBL_MIN MINDOUBLE
1765# endif
1766# endif
1767#endif /* defined(I_VALUES) */
1768
a22e52b9 1769typedef NVTYPE NV;
8175356b 1770
792d8dab
JH		 1771#ifdef I_IEEEFP
1772# include <ieeefp.h>
1773#endif
923fc586 1774
65202027 1775#ifdef USE_LONG_DOUBLE
923fc586
JH		 1776# ifdef I_SUNMATH
1777# include <sunmath.h>
1778# endif
2d4389e4 1779# define NV_DIG LDBL_DIG
d6c14000
JH		 1780# ifdef LDBL_MANT_DIG
1781# define NV_MANT_DIG LDBL_MANT_DIG
1782# endif
06fc1729
JH		 1783# ifdef LDBL_MIN
1784# define NV_MIN LDBL_MIN
1785# endif
1786# ifdef LDBL_MAX
1787# define NV_MAX LDBL_MAX
1788# endif
1789# ifdef LDBL_MIN_10_EXP
1790# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1791# endif
1792# ifdef LDBL_MAX_10_EXP
1793# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1794# endif
1795# ifdef LDBL_EPSILON
1796# define NV_EPSILON LDBL_EPSILON
1797# endif
f4a14a62
JH		 1798# ifdef LDBL_MAX
1799# define NV_MAX LDBL_MAX
20f6aaab 1800/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1801# else
1802# ifdef HUGE_VALL
1803# define NV_MAX HUGE_VALL
1804# else
1805# ifdef HUGE_VAL
1806# define NV_MAX ((NV)HUGE_VAL)
1807# endif
1808# endif
1809# endif
68d4903c 1810# ifdef HAS_SQRTL
68d4903c
JH		 1811# define Perl_cos cosl
1812# define Perl_sin sinl
1813# define Perl_sqrt sqrtl
1814# define Perl_exp expl
1815# define Perl_log logl
1816# define Perl_atan2 atan2l
1817# define Perl_pow powl
1818# define Perl_floor floorl
1bbae031 1819# define Perl_ceil ceill
68d4903c
JH		 1820# define Perl_fmod fmodl
1821# endif
a3540c92
JH		 1822/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1823# ifdef HAS_MODFL
1824# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1825/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1826 prototype in <math.h> */
1827# ifndef HAS_MODFL_PROTO
a221a8a5 1828EXTERN_C long double modfl(long double, long double *);
51997bc3 1829# endif
03476e8e
JH		 1830# else
1831# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1832 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1833# define Perl_modf(x,y) Perl_my_modfl(x,y)
1834# endif
a3540c92
JH		 1835# endif
1836# ifdef HAS_FREXPL
dff3e0b8 1837# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1838# else
1839# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1840 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1841# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1842# endif
a3540c92 1843# endif
38dbb4c5 1844# ifndef Perl_isnan
758a5d79
JH		 1845# ifdef HAS_ISNANL
1846# define Perl_isnan(x) isnanl(x)
1847# endif
1848# endif
1849# ifndef Perl_isinf
1850# ifdef HAS_FINITEL
1851# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1852# endif
1853# endif
65202027 1854#else
2d4389e4 1855# define NV_DIG DBL_DIG
d6c14000
JH		 1856# ifdef DBL_MANT_DIG
1857# define NV_MANT_DIG DBL_MANT_DIG
1858# endif
06fc1729
JH		 1859# ifdef DBL_MIN
1860# define NV_MIN DBL_MIN
1861# endif
1862# ifdef DBL_MAX
1863# define NV_MAX DBL_MAX
1864# endif
1865# ifdef DBL_MIN_10_EXP
1866# define NV_MIN_10_EXP DBL_MIN_10_EXP
1867# endif
1868# ifdef DBL_MAX_10_EXP
1869# define NV_MAX_10_EXP DBL_MAX_10_EXP
1870# endif
1871# ifdef DBL_EPSILON
1872# define NV_EPSILON DBL_EPSILON
1873# endif
205f51d8 1874# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1875# define NV_MAX DBL_MAX
1876# define NV_MIN DBL_MIN
1877# else
1878# ifdef HUGE_VAL
1879# define NV_MAX HUGE_VAL
1880# endif
1881# endif
65202027
DS		 1882# define Perl_cos cos
1883# define Perl_sin sin
1884# define Perl_sqrt sqrt
1885# define Perl_exp exp
1886# define Perl_log log
1887# define Perl_atan2 atan2
1888# define Perl_pow pow
1889# define Perl_floor floor
1bbae031 1890# define Perl_ceil ceil
65202027 1891# define Perl_fmod fmod
a3540c92 1892# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1893# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1894#endif
1895
1896/* rumor has it that Win32 has _fpclass() */
1897
205f51d8
AS		 1898/* SGI has fpclassl... but not with the same result values,
1899 * and it's via a typedef (not via #define), so will need to redo Configure
1900 * to use. Not worth the trouble, IMO, at least until the below is used
1901 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1902 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1903 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1904
758a5d79
JH		 1905#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1906# ifdef I_IEEFP
1907# include <ieeefp.h>
1908# endif
1909# ifdef I_FP
1910# include <fp.h>
1911# endif
1912# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1913# define Perl_fp_class() fpclassl(x)
1914# else
1915# define Perl_fp_class() fpclass(x)
1916# endif
1917# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1918# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1919# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1920# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1921# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1922# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1923# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1924# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1925# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1926# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1927# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1928# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1929# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1930# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1931# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1932#endif
1933
21e89b5f 1934#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS)
758a5d79
JH		 1935# include <math.h>
1936# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1937# include <fp_class.h>
1938# endif
1939# define Perl_fp_class(x) fp_class(x)
1940# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1941# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1942# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1943# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1944# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1945# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1946# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1947# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1948# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1949# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1950# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1951# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1952# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1953# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1954# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1955#endif
1956
1957#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1958# include <math.h>
1959# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1960# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1961# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1962# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1963# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1964# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1965#endif
1966
1967#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1968# include <math.h>
1969# ifndef _cplusplus
1970# define Perl_fp_class(x) class(x)
1971# else
1972# define Perl_fp_class(x) _class(x)
1973# endif
1974# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1975# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1976# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1977# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1978# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1979# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1980# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1981# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1982# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1983# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1984# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1985# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1986# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1987# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1988# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1989#endif
1990
1991/* rumor has it that Win32 has _isnan() */
1992
1993#ifndef Perl_isnan
a3540c92 1994# ifdef HAS_ISNAN
758a5d79
JH		 1995# define Perl_isnan(x) isnan((NV)x)
1996# else
1997# ifdef Perl_fp_class_nan
1998# define Perl_isnan(x) Perl_fp_class_nan(x)
1999# else
2000# ifdef HAS_UNORDERED
2001# define Perl_isnan(x) unordered((x), 0.0)
2002# else
2003# define Perl_isnan(x) ((x)!=(x))
2004# endif
2005# endif
2006# endif
2007#endif
2008
ca6c63e1
JH		 2009#ifdef UNDER_CE
2010int isnan(double d);
2011#endif
2012
758a5d79
JH		 2013#ifndef Perl_isinf
2014# ifdef HAS_ISINF
2015# define Perl_isinf(x) isinf((NV)x)
a3540c92 2016# else
758a5d79
JH		 2017# ifdef Perl_fp_class_inf
2018# define Perl_isinf(x) Perl_fp_class_inf(x)
2019# else
2020# define Perl_isinf(x) ((x)==NV_INF)
2021# endif
2022# endif
2023#endif
2024
2025#ifndef Perl_isfinite
2026# ifdef HAS_FINITE
2027# define Perl_isfinite(x) finite((NV)x)
2028# else
2029# ifdef HAS_ISFINITE
2030# define Perl_isfinite(x) isfinite(x)
2031# else
2032# ifdef Perl_fp_class_finite
2033# define Perl_isfinite(x) Perl_fp_class_finite(x)
2034# else
2035# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2036# endif
2037# endif
a3540c92 2038# endif
65202027
DS		 2039#endif
2040
a36244b7
JH		 2041/* The default is to use Perl's own atof() implementation (in numeric.c).
2042 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2043 * it is however best to use the native implementation of atof.
2044 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2045 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2046 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2047 * you may need to be using a different function than atof! */
a36244b7
JH		 2048
2049#ifndef USE_PERL_ATOF
2050# ifndef _UNICOS
2051# define USE_PERL_ATOF
2052# endif
2053#else
2054# if USE_PERL_ATOF == 0
2055# undef USE_PERL_ATOF
2056# endif
2057#endif
2058
2059#ifdef USE_PERL_ATOF
2060# define Perl_atof(s) Perl_my_atof(s)
2061# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2062#else
2063# define Perl_atof(s) (NV)atof(s)
2064# define Perl_atof2(s, n) ((n) = atof(s))
2065#endif
cf2093f6 2066
d460ef45 2067/* Previously these definitions used hardcoded figures.
760ac839
LW		 2068 * It is hoped these formula are more portable, although
2069 * no data one way or another is presently known to me.
2070 * The "PERL_" names are used because these calculated constants
2071 * do not meet the ANSI requirements for LONG_MAX, etc., which
2072 * need to be constants acceptable to #if - kja
2073 * define PERL_LONG_MAX 2147483647L
2074 * define PERL_LONG_MIN (-LONG_MAX - 1)
2075 * define PERL ULONG_MAX 4294967295L
2076 */
2077
2078#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2079# include <limits.h>
760ac839 2080#endif
205f51d8 2081/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2082 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2083
99abf803
PP		 2084/*
2085 * Try to figure out max and min values for the integral types. THE CORRECT
2086 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2087 * following hacks are used if neither limits.h or values.h provide them:
2088 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2089 * for types < int: (unsigned TYPE)~(unsigned)0
2090 * The argument to ~ must be unsigned so that later signed->unsigned
2091 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2092 * and it must not be smaller than int because ~ does integral promotion.
2093 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2094 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2095 * The latter is a hack which happens to work on some machines but
2096 * does *not* catch any random system, or things like integer types
2097 * with NaN if that is possible.
2098 *
2099 * All of the types are explicitly cast to prevent accidental loss of
2100 * numeric range, and in the hope that they will be less likely to confuse
2101 * over-eager optimizers.
2102 *
2103 */
27d4fb96 2104
99abf803
PP		 2105#define PERL_UCHAR_MIN ((unsigned char)0)
2106
2107#ifdef UCHAR_MAX
2108# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2109#else
99abf803
PP		 2110# ifdef MAXUCHAR
2111# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2112# else
99abf803 2113# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP		 2114# endif
2115#endif
d460ef45 2116
99abf803
PP		 2117/*
2118 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2119 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2120 * depending on local options. Until Configure detects this (or at least
2121 * detects whether the "signed" keyword is available) the CHAR ranges
2122 * will not be included. UCHAR functions normally.
2123 * - kja
2124 */
27d4fb96 2125
99abf803
PP		 2126#define PERL_USHORT_MIN ((unsigned short)0)
2127
2128#ifdef USHORT_MAX
2129# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2130#else
99abf803
PP		 2131# ifdef MAXUSHORT
2132# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2133# else
ef2f54b0
CB		 2134# ifdef USHRT_MAX
2135# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2136# else
2137# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2138# endif
27d4fb96
PP		 2139# endif
2140#endif
2141
27d4fb96 2142#ifdef SHORT_MAX
99abf803 2143# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP		 2144#else
2145# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2146# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2147# else
ef2f54b0
CB		 2148# ifdef SHRT_MAX
2149# define PERL_SHORT_MAX ((short)SHRT_MAX)
2150# else
2151# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2152# endif
27d4fb96
PP		 2153# endif
2154#endif
2155
2156#ifdef SHORT_MIN
99abf803 2157# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP		 2158#else
2159# ifdef MINSHORT
99abf803 2160# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2161# else
ef2f54b0
CB		 2162# ifdef SHRT_MIN
2163# define PERL_SHORT_MIN ((short)SHRT_MIN)
2164# else
2165# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2166# endif
27d4fb96
PP		 2167# endif
2168#endif
2169
99abf803
PP		 2170#ifdef UINT_MAX
2171# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2172#else
99abf803
PP		 2173# ifdef MAXUINT
2174# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2175# else
99abf803 2176# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP		 2177# endif
2178#endif
2179
99abf803 2180#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP		 2181
2182#ifdef INT_MAX
99abf803 2183# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP		 2184#else
2185# ifdef MAXINT /* Often used in <values.h> */
99abf803 2186# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2187# else
99abf803 2188# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP		 2189# endif
2190#endif
2191
2192#ifdef INT_MIN
99abf803 2193# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP		 2194#else
2195# ifdef MININT
99abf803 2196# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP		 2197# else
2198# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2199# endif
2200#endif
2201
99abf803
PP		 2202#ifdef ULONG_MAX
2203# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2204#else
99abf803
PP		 2205# ifdef MAXULONG
2206# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2207# else
99abf803 2208# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP		 2209# endif
2210#endif
2211
99abf803 2212#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2213
760ac839 2214#ifdef LONG_MAX
99abf803 2215# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2216#else
2217# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2218# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2219# else
99abf803 2220# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2221# endif
2222#endif
2223
2224#ifdef LONG_MIN
99abf803 2225# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2226#else
2227# ifdef MINLONG
99abf803 2228# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2229# else
27d4fb96 2230# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2231# endif
2232#endif
2233
d7d93a81 2234#ifdef UV_IS_QUAD
99abf803 2235
99abf803 2236# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2237# define PERL_UQUAD_MIN ((UV)0)
99abf803 2238# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2239# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2240
79072805
LW		 2241#endif
2242
830247a4 2243struct RExC_state_t;
8e11feef 2244struct _reg_trie_data;
880b20b6 2245
ee0007ab 2246typedef MEM_SIZE STRLEN;
450a55e4 2247
598921a7
NC		 2248#ifdef PERL_MAD
2249typedef struct token TOKEN;
2250typedef struct madprop MADPROP;
2251typedef struct nexttoken NEXTTOKE;
2252#endif
79072805
LW		 2253typedef struct op OP;
2254typedef struct cop COP;
2255typedef struct unop UNOP;
2256typedef struct binop BINOP;
2257typedef struct listop LISTOP;
2258typedef struct logop LOGOP;
79072805
LW		 2259typedef struct pmop PMOP;
2260typedef struct svop SVOP;
7934575e 2261typedef struct padop PADOP;
79072805 2262typedef struct pvop PVOP;
79072805
LW		 2263typedef struct loop LOOP;
2264
7aef8e5b 2265#ifdef PERL_CORE
8be227ab
FC		 2266typedef struct opslab OPSLAB;
2267typedef struct opslot OPSLOT;
2268#endif
2269
52db365a 2270typedef struct block_hooks BHK;
1830b3d9 2271typedef struct custom_op XOP;
52db365a 2272
cd1541b2
NC		 2273typedef struct interpreter PerlInterpreter;
2274
d2b3f365 2275/* SGI's <sys/sema.h> has struct sv */
cc3315ba 2276#if defined(__sgi)
d2b3f365 2277# define STRUCT_SV perl_sv
b8d3c5db
JH		 2278#else
2279# define STRUCT_SV sv
2280#endif
2281typedef struct STRUCT_SV SV;
79072805
LW		 2282typedef struct av AV;
2283typedef struct hv HV;
2284typedef struct cv CV;
d2f13c59 2285typedef struct p5rx REGEXP;
79072805 2286typedef struct gp GP;
0c30d9ec 2287typedef struct gv GV;
8990e307 2288typedef struct io IO;
c09156bb 2289typedef struct context PERL_CONTEXT;
79072805
LW		 2290typedef struct block BLOCK;
2291
2292typedef struct magic MAGIC;
2293typedef struct xpv XPV;
2294typedef struct xpviv XPVIV;
ff68c719 2295typedef struct xpvuv XPVUV;
79072805
LW		 2296typedef struct xpvnv XPVNV;
2297typedef struct xpvmg XPVMG;
2298typedef struct xpvlv XPVLV;
d361b004 2299typedef struct xpvinvlist XINVLIST;
79072805
LW		 2300typedef struct xpvav XPVAV;
2301typedef struct xpvhv XPVHV;
2302typedef struct xpvgv XPVGV;
2303typedef struct xpvcv XPVCV;
2304typedef struct xpvbm XPVBM;
2305typedef struct xpvfm XPVFM;
8990e307 2306typedef struct xpvio XPVIO;
79072805
LW		 2307typedef struct mgvtbl MGVTBL;
2308typedef union any ANY;
5f7fde29
GS		 2309typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2310typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2311typedef struct clone_params CLONE_PARAMS;
2312
35e035cc 2313/* a pad or name pad is currently just an AV; but that might change,
7261499d
FC		 2314 * so hide the type. */
2315typedef struct padlist PADLIST;
67634234 2316typedef AV PAD;
35e035cc
FC		 2317typedef AV PADNAMELIST;
2318typedef SV PADNAME;
67634234 2319
13b0f67d
DM		 2320/* enable PERL_NEW_COPY_ON_WRITE by default */
2321#if !defined(PERL_OLD_COPY_ON_WRITE) && !defined(PERL_NEW_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2322# define PERL_NEW_COPY_ON_WRITE
2323#endif
07d01d6e 2324
db2c6cb3
FC		 2325#if defined(PERL_OLD_COPY_ON_WRITE) || defined(PERL_NEW_COPY_ON_WRITE)
2326# if defined(PERL_OLD_COPY_ON_WRITE) && defined(PERL_NEW_COPY_ON_WRITE)
2327# error PERL_OLD_COPY_ON_WRITE and PERL_NEW_COPY_ON_WRITE are exclusive
2328# else
2329# define PERL_ANY_COW
2330# endif
9f351b45
DM		 2331#else
2332# define PERL_SAWAMPERSAND
db2c6cb3
FC		 2333#endif
2334
378cc40b 2335#include "handy.h"
a0d0e21e 2336
6b8eaf93 2337#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2338# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2339# define USE_64_BIT_RAWIO /* implicit */
2340# endif
4564133c
JH		 2341#endif
2342
6b8eaf93
JH		 2343/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2344 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2345 * however, because operating systems like to do that themself. */
2346#ifndef FSEEKSIZE
2347# ifdef HAS_FSEEKO
2348# define FSEEKSIZE LSEEKSIZE
2349# else
2350# define FSEEKSIZE LONGSIZE
d460ef45 2351# endif
6b8eaf93
JH		 2352#endif
2353
2354#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2355# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2356# define USE_64_BIT_STDIO /* implicit */
2357# endif
2358#endif
4564133c 2359
09458382 2360#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2361# ifdef HAS_OFF64_T
2362# undef Off_t
2363# define Off_t off64_t
2364# undef LSEEKSIZE
2365# define LSEEKSIZE 8
5ff3f7a4 2366# endif
d9b3e12d
JH		 2367/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2368 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2369 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2370# if defined(USE_OPEN64)
2371# define open open64
5ff3f7a4 2372# endif
d9b3e12d
JH		 2373# if defined(USE_LSEEK64)
2374# define lseek lseek64
6b8eaf93
JH		 2375# else
2376# if defined(USE_LLSEEK)
2377# define lseek llseek
2378# endif
d9b3e12d
JH		 2379# endif
2380# if defined(USE_STAT64)
2381# define stat stat64
2382# endif
2383# if defined(USE_FSTAT64)
2384# define fstat fstat64
2385# endif
2386# if defined(USE_LSTAT64)
2387# define lstat lstat64
2388# endif
2389# if defined(USE_FLOCK64)
2390# define flock flock64
2391# endif
2392# if defined(USE_LOCKF64)
2393# define lockf lockf64
2394# endif
2395# if defined(USE_FCNTL64)
2396# define fcntl fcntl64
2397# endif
2398# if defined(USE_TRUNCATE64)
2399# define truncate truncate64
2400# endif
2401# if defined(USE_FTRUNCATE64)
2402# define ftruncate ftruncate64
2403# endif
2404#endif
2405
2406#ifdef USE_64_BIT_STDIO
2407# ifdef HAS_FPOS64_T
2408# undef Fpos_t
2409# define Fpos_t fpos64_t
2410# endif
2411/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2412 * will trigger defines like the ones below. Some 64-bit environments,
2413 * however, do not. */
2414# if defined(USE_FOPEN64)
2415# define fopen fopen64
2416# endif
2417# if defined(USE_FSEEK64)
6b8eaf93 2418# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2419# endif
2420# if defined(USE_FTELL64)
6b8eaf93 2421# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2422# endif
2423# if defined(USE_FSETPOS64)
2424# define fsetpos fsetpos64
2425# endif
2426# if defined(USE_FGETPOS64)
2427# define fgetpos fgetpos64
2428# endif
2429# if defined(USE_TMPFILE64)
2430# define tmpfile tmpfile64
2431# endif
2432# if defined(USE_FREOPEN64)
2433# define freopen freopen64
5ff3f7a4
GS		 2434# endif
2435#endif
2436
e37778c2 2437#if defined(OS2)
2c2d71f5
JH		 2438# include "iperlsys.h"
2439#endif
2440
748a9306 2441#ifdef DOSISH
19848b3f
JH		 2442# if defined(OS2)
2443# include "os2ish.h"
2444# else
2445# include "dosish.h"
2446# endif
2447# define ISHISH "dos"
2448#endif
2449
2450#if defined(VMS)
748a9306 2451# include "vmsish.h"
19848b3f
JH		 2452# define ISHISH "vms"
2453#endif
2454
2455#if defined(PLAN9)
2456# include "./plan9/plan9ish.h"
2457# define ISHISH "plan9"
2458#endif
2459
19848b3f 2460#if defined(__VOS__)
196918b0
PG		 2461# ifdef __GNUC__
2462# include "./vos/vosish.h"
2463# else
2464# include "vos/vosish.h"
2465# endif
19848b3f
JH		 2466# define ISHISH "vos"
2467#endif
2468
9969cdde 2469#ifdef __SYMBIAN32__
27da23d5 2470# include "symbian/symbianish.h"
27da23d5
JH		 2471# define ISHISH "symbian"
2472#endif
2473
19848b3f 2474
df00ff3b
IW		 2475#if defined(__HAIKU__)
2476# include "haiku/haikuish.h"
2477# define ISHISH "haiku"
efca5cc6
JH		 2478#endif
2479
19848b3f
JH		 2480#ifndef ISHISH
2481# include "unixish.h"
2482# define ISHISH "unix"
13b6e58c
JH		 2483#endif
2484
2946a158
JH		 2485/* NSIG logic from Configure --> */
2486/* Strange style to avoid deeply-nested #if/#else/#endif */
2487#ifndef NSIG
2488# ifdef _NSIG
2489# define NSIG (_NSIG)
2490# endif
2491#endif
2492
2493#ifndef NSIG
2494# ifdef SIGMAX
2495# define NSIG (SIGMAX+1)
2496# endif
2497#endif
2498
2499#ifndef NSIG
2500# ifdef SIG_MAX
2501# define NSIG (SIG_MAX+1)
2502# endif
2503#endif
2504
2505#ifndef NSIG
2506# ifdef _SIG_MAX
2507# define NSIG (_SIG_MAX+1)
2508# endif
2509#endif
2510
2511#ifndef NSIG
2512# ifdef MAXSIG
2513# define NSIG (MAXSIG+1)
2514# endif
2515#endif
2516
2517#ifndef NSIG
2518# ifdef MAX_SIG
2519# define NSIG (MAX_SIG+1)
2520# endif
2521#endif
2522
2523#ifndef NSIG
2524# ifdef SIGARRAYSIZE
2525# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2526# endif
2527#endif
2528
2529#ifndef NSIG
2530# ifdef _sys_nsig
2531# define NSIG (_sys_nsig) /* Solaris 2.5 */
2532# endif
2533#endif
2534
2535/* Default to some arbitrary number that's big enough to get most
2536 of the common signals.
2537*/
2538#ifndef NSIG
2539# define NSIG 50
2540#endif
2541/* <-- NSIG logic from Configure */
2542
13b6e58c
JH		 2543#ifndef NO_ENVIRON_ARRAY
2544# define USE_ENVIRON_ARRAY
2545#endif
32f822de 2546
c77b533b
JH		 2547/*
2548 * initialise to avoid floating-point exceptions from overflow, etc
2549 */
2550#ifndef PERL_FPU_INIT
2551# ifdef HAS_FPSETMASK
2552# if HAS_FLOATINGPOINT_H
2553# include <floatingpoint.h>
2554# endif
ad3a8c67
NC		 2555/* Some operating systems have this as a macro, which in turn expands to a comma
2556 expression, and the last sub-expression is something that gets calculated,
2557 and then they have the gall to warn that a value computed is not used. Hence
2558 cast to void. */
2559# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2560# else
2f42fcb0 2561# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2562# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2563# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2564# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2565# else
2566# define PERL_FPU_INIT
2f42fcb0 2567
7014c407 2568# endif
c77b533b
JH		 2569# endif
2570#endif
b35112e7
CS		 2571#ifndef PERL_FPU_PRE_EXEC
2572# define PERL_FPU_PRE_EXEC {
2573# define PERL_FPU_POST_EXEC }
2574#endif
c77b533b 2575
cbec8ebe
DM		 2576#ifndef PERL_SYS_INIT3_BODY
2577# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2578#endif
2579
eb533572 2580/*
4ad9e498 2581=for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
eb533572
DM		 2582Provides system-specific tune up of the C runtime environment necessary to
2583run Perl interpreters. This should be called only once, before creating
2584any Perl interpreters.
2585
4ad9e498 2586=for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
eb533572
DM		 2587Provides system-specific tune up of the C runtime environment necessary to
2588run Perl interpreters. This should be called only once, before creating
2589any Perl interpreters.
2590
2591=for apidoc Am|void|PERL_SYS_TERM|
2592Provides system-specific clean up of the C runtime environment after
2593running Perl interpreters. This should be called only once, after
2594freeing any remaining Perl interpreters.
2595
2596=cut
2597 */
2598
cbec8ebe
DM		 2599#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2600#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2601#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2602
be708cc0
JH		 2603#ifndef PERL_WRITE_MSG_TO_CONSOLE
2604# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2605#endif
2606
0f31cffe
GS		 2607#ifndef MAXPATHLEN
2608# ifdef PATH_MAX
b990c8b2
JH		 2609# ifdef _POSIX_PATH_MAX
2610# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2611/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2612 * included the null byte or not. Later amendments of POSIX,
2613 * XPG4, the Austin Group, and the Single UNIX Specification
2614 * all explicitly include the null byte in the PATH_MAX.
2615 * Ditto for _POSIX_PATH_MAX. */
2616# define MAXPATHLEN PATH_MAX
b990c8b2 2617# else
09448d78 2618# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2619# endif
2620# else
2621# define MAXPATHLEN (PATH_MAX+1)
2622# endif
0f31cffe 2623# else
d552bce8 2624# define MAXPATHLEN 1024 /* Err on the large side. */
0f31cffe
GS		 2625# endif
2626#endif
2627
c80263a8
SH		 2628/* In case Configure was not used (we are using a "canned config"
2629 * such as Win32, or a cross-compilation setup, for example) try going
2630 * by the gcc major and minor versions. One useful URL is
2631 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2632 * but contrary to this information warn_unused_result seems
2633 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2634 * Also, when building extensions with an installed perl, this allows
2635 * the user to upgrade gcc and get the right attributes, rather than
2636 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2637 * Set these up now otherwise we get confused when some of the <*thread.h>
2638 * includes below indirectly pull in <perlio.h> (which needs to know if we
2639 * have HASATTRIBUTE_FORMAT).
2640 */
2641
4d7c7898 2642#ifndef PERL_MICRO
fc2007d4 2643#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2644# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2645# define HASATTRIBUTE_DEPRECATED
2646# endif
c80263a8
SH		 2647# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2648# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2649# if defined __MINGW32__
2650# define PRINTF_FORMAT_NULL_OK
2651# endif
c80263a8
SH		 2652# endif
2653# if __GNUC__ >= 3 /* 3.0 -> */
2654# define HASATTRIBUTE_MALLOC
2655# endif
2656# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2657# define HASATTRIBUTE_NONNULL
2658# endif
2659# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2660# define HASATTRIBUTE_NORETURN
2661# endif
2662# if __GNUC__ >= 3 /* gcc 3.0 -> */
2663# define HASATTRIBUTE_PURE
2664# endif
42bf5550 2665# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2666# define HASATTRIBUTE_UNUSED
2667# endif
d324fe49
AD		 2668# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2669# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2670# endif
c80263a8
SH		 2671# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2672# define HASATTRIBUTE_WARN_UNUSED_RESULT
2673# endif
2674#endif
00f254e2 2675#endif /* #ifndef PERL_MICRO */
c80263a8 2676
3db8f154 2677/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2678 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2679 * this results in many functions being undeclared which bothers C++
2680 * May make sense to have threads after "*ish.h" anyway
2681 */
2682
3db8f154 2683#if defined(USE_ITHREADS)
2986a63f
JH		 2684# ifdef NETWARE
2685# include <nw5thread.h>
2686# else
32f822de
GS		 2687# ifdef WIN32
2688# include <win32thread.h>
2689# else
dd96f567
IZ		 2690# ifdef OS2
2691# include "os2thread.h"
2692# else
7f3d1cf1 2693# ifdef I_MACH_CTHREADS
bdd66968 2694# include <mach/cthreads.h>
8f1f23e8 2695# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2696# define MUTEX_INIT_CALLS_MALLOC
2697# endif
7f3d1cf1
BH		 2698typedef cthread_t perl_os_thread;
2699typedef mutex_t perl_mutex;
2700typedef condition_t perl_cond;
2701typedef void * perl_key;
2702# else /* Posix threads */
1f5ae88c
JH		 2703# ifdef I_PTHREAD
2704# include <pthread.h>
2705# endif
7f3d1cf1
BH		 2706typedef pthread_t perl_os_thread;
2707typedef pthread_mutex_t perl_mutex;
2708typedef pthread_cond_t perl_cond;
2709typedef pthread_key_t perl_key;
2710# endif /* I_MACH_CTHREADS */
dd96f567 2711# endif /* OS2 */
32f822de 2712# endif /* WIN32 */
ef4abe76 2713# endif /* NETWARE */
3db8f154 2714#endif /* USE_ITHREADS */
c5be433b 2715
66a93824 2716#if defined(WIN32)
1feb2720 2717# include "win32.h"
c5be433b
GS		 2718#endif
2719
2986a63f
JH		 2720#ifdef NETWARE
2721# include "netware.h"
2722#endif
2723
e5218da5 2724#define STATUS_UNIX PL_statusvalue
68dc0745 2725#ifdef VMS
6b88bc9c 2726# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2727/*
2728 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2729 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2730 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2731 * be updated also.
2732 */
2733# include <stsdef.h>
2734# include <ssdef.h>
2735/* Presume this because if VMS changes it, it will require a new
2736 * set of APIs for waiting on children for binary compatibility.
2737 */
2738# define child_offset_bits (8)
2739# ifndef C_FAC_POSIX
2740# define C_FAC_POSIX 0x35A000
2741# endif
2742
2743/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2744 * platform from the existing UNIX or Native status values.
2745 */
2746
37038d91 2747# define STATUS_EXIT \
7a7fd8e0
JM		 2748 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2749 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2750
7a7fd8e0 2751
fb38d079
JM		 2752/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2753 * exit code and shifts the UNIX value over the correct number of bits to
2754 * be a child status. Usually the number of bits is 8, but that could be
2755 * platform dependent. The NATIVE status code is presumed to have either
2756 * from a child process.
7a7fd8e0
JM		 2757 */
2758
fb38d079
JM		 2759/* This is complicated. The child processes return a true native VMS
2760 status which must be saved. But there is an assumption in Perl that
2761 the UNIX child status has some relationship to errno values, so
00f254e2 2762 Perl tries to translate it to text in some of the tests.
fb38d079
JM		 2763 In order to get the string translation correct, for the error, errno
2764 must be EVMSERR, but that generates a different text message
2765 than what the test programs are expecting. So an errno value must
2766 be derived from the native status value when an error occurs.
2767 That will hide the true native status message. With this version of
2768 perl, the true native child status can always be retrieved so that
2769 is not a problem. But in this case, Pl_statusvalue and errno may
2770 have different values in them.
2771 */
7a7fd8e0 2772
fb38d079 2773# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2774 STMT_START { \
2fbb330f
JM		 2775 I32 evalue = (I32)n; \
2776 if (evalue == EVMSERR) { \
2777 PL_statusvalue_vms = vaxc$errno; \
2778 PL_statusvalue = evalue; \
7a7fd8e0 2779 } else { \
2fbb330f 2780 PL_statusvalue_vms = evalue; \
fb38d079 2781 if (evalue == -1) { \
3280af22 2782 PL_statusvalue = -1; \
7a7fd8e0
JM		 2783 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2784 } else \
fb38d079 2785 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2786 set_vaxc_errno(evalue); \
fb38d079
JM		 2787 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2788 set_errno(EVMSERR); \
2789 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2790 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2791 } \
68dc0745 2792 } STMT_END
7a7fd8e0 2793
68dc0745 2794# ifdef VMSISH_STATUS
e5218da5 2795# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2796# else
e5218da5 2797# define STATUS_CURRENT STATUS_UNIX
68dc0745 2798# endif
7a7fd8e0
JM		 2799
2800 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2801 * the NATIVE status to an equivalent value. Can not be used to translate
2802 * exit code values as exit code values are not guaranteed to have any
2803 * relationship at all to errno values.
2804 * This is used when Perl is forcing errno to have a specific value.
2805 */
e5218da5 2806# define STATUS_UNIX_SET(n) \
68dc0745 2807 STMT_START { \
7a7fd8e0 2808 I32 evalue = (I32)n; \
0968cdad 2809 PL_statusvalue = evalue; \
3280af22 2810 if (PL_statusvalue != -1) { \
0968cdad
JM		 2811 if (PL_statusvalue != EVMSERR) { \
2812 PL_statusvalue &= 0xFFFF; \
2813 if (MY_POSIX_EXIT) \
2814 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2815 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2816 } \
2817 else { \
2818 PL_statusvalue_vms = vaxc$errno; \
2819 } \
68dc0745 2820 } \
0968cdad
JM		 2821 else PL_statusvalue_vms = SS$_ABORT; \
2822 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2823 } STMT_END
2824
2825 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 2826 * the NATIVE error status based on it.
2827 *
2828 * When in the default mode to comply with the Perl VMS documentation,
2829 * 0 is a success and any other code sets the NATIVE status to a failure
2830 * code of SS$_ABORT.
fb38d079
JM		 2831 *
2832 * In the new POSIX EXIT mode, native status will be set so that the
2833 * actual exit code will can be retrieved by the calling program or
2834 * shell.
2835 *
2836 * If the exit code is not clearly a UNIX parent or child exit status,
2837 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2838 */
2839
fb38d079 2840# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2841 STMT_START { \
2842 I32 evalue = (I32)n; \
2843 PL_statusvalue = evalue; \
e08e1e1d
JM		 2844 if (MY_POSIX_EXIT) { \
2845 if (evalue <= 0xFF00) { \
2846 if (evalue > 0xFF) \
2847 evalue = (evalue >> child_offset_bits) & 0xFF; \
2848 PL_statusvalue_vms = \
2849 (C_FAC_POSIX | (evalue << 3 ) | \
2850 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
2851 } else /* forgive them Perl, for they have sinned */ \
2852 PL_statusvalue_vms = evalue; \
2853 } else { \
2854 if (evalue == 0) \
2855 PL_statusvalue_vms = SS$_NORMAL; \
2856 else if (evalue <= 0xFF00) \
2857 PL_statusvalue_vms = SS$_ABORT; \
2858 else { /* forgive them Perl, for they have sinned */ \
2859 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2860 else PL_statusvalue_vms = vaxc$errno; \
2861 /* And obviously used a VMS status value instead of UNIX */ \
2862 PL_statusvalue = EVMSERR; \
2863 } \
2864 set_vaxc_errno(PL_statusvalue_vms); \
2865 } \
68dc0745 2866 } STMT_END
fb38d079 2867
e08e1e1d 2868
6ac6a52b
JM		 2869 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2870 * and sets the NATIVE error status based on it. This special case
2871 * is needed to maintain compatibility with past VMS behavior.
2872 *
2873 * In the default mode on VMS, this number is passed through as
2874 * both the NATIVE and UNIX status. Which makes it different
2875 * that the STATUS_UNIX_EXIT_SET.
2876 *
2877 * In the new POSIX EXIT mode, native status will be set so that the
2878 * actual exit code will can be retrieved by the calling program or
2879 * shell.
2880 *
1a3aec58
JM		 2881 * A POSIX exit code is from 0 to 255. If the exit code is higher
2882 * than this, it needs to be assumed that it is a VMS exit code and
2883 * passed through.
6ac6a52b
JM		 2884 */
2885
2886# define STATUS_EXIT_SET(n) \
2887 STMT_START { \
2888 I32 evalue = (I32)n; \
2889 PL_statusvalue = evalue; \
2890 if (MY_POSIX_EXIT) \
1a3aec58
JM		 2891 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
2892 PL_statusvalue_vms = \
2893 (C_FAC_POSIX | (evalue << 3 ) | \
2894 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 2895 else \
2896 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2897 set_vaxc_errno(PL_statusvalue_vms); \
2898 } STMT_END
2899
fb38d079
JM		 2900
2901 /* This macro forces a success status */
7a7fd8e0
JM		 2902# define STATUS_ALL_SUCCESS \
2903 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 2904
2905 /* This macro forces a failure status */
7a7fd8e0
JM		 2906# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2907 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2908 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2909
68dc0745 2910#else
e5218da5 2911# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2912# if defined(WCOREDUMP)
37038d91 2913# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2914 STMT_START { \
2915 PL_statusvalue_posix = (n); \
2916 if (PL_statusvalue_posix == -1) \
2917 PL_statusvalue = -1; \
2918 else { \
2919 PL_statusvalue = \
2920 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2921 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2922 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2923 } \
2924 } STMT_END
2925# elif defined(WIFEXITED)
37038d91 2926# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2927 STMT_START { \
2928 PL_statusvalue_posix = (n); \
2929 if (PL_statusvalue_posix == -1) \
2930 PL_statusvalue = -1; \
2931 else { \
2932 PL_statusvalue = \
2933 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2934 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2935 } \
2936 } STMT_END
2937# else
37038d91 2938# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2939 STMT_START { \
2940 PL_statusvalue_posix = (n); \
2941 if (PL_statusvalue_posix == -1) \
2942 PL_statusvalue = -1; \
2943 else { \
2944 PL_statusvalue = \
2945 PL_statusvalue_posix & 0xFFFF; \
2946 } \
2947 } STMT_END
2948# endif
2949# define STATUS_UNIX_SET(n) \
68dc0745 2950 STMT_START { \
3280af22
NIS		 2951 PL_statusvalue = (n); \
2952 if (PL_statusvalue != -1) \
2953 PL_statusvalue &= 0xFFFF; \
68dc0745 2954 } STMT_END
7a7fd8e0 2955# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2956# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2957# define STATUS_CURRENT STATUS_UNIX
37038d91 2958# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 2959# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2960# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP		 2961#endif
2962
cc3604b1
GS		 2963/* flags in PL_exit_flags for nature of exit() */
2964#define PERL_EXIT_EXPECTED 0x01
31d77e54 2965#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
6136213b
JGM		 2966#define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */
2967#define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */
cc3604b1 2968
b79b76e0 2969#ifndef PERL_CORE
a7cb1f99 2970/* format to use for version numbers in file/directory names */
273cf8d1 2971/* XXX move to Configure? */
b79b76e0
NC		 2972/* This was only ever used for the current version, and that can be done at
2973 compile time, as PERL_FS_VERSION, so should we just delete it? */
2974# ifndef PERL_FS_VER_FMT
2975# define PERL_FS_VER_FMT "%d.%d.%d"
2976# endif
2977#endif
2978
2979#ifndef PERL_FS_VERSION
2980# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS		 2981#endif
2982
45bc9206 2983/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2984 * performance issue, so we allow people to disable it. Also, if
2985 * we are using stdio, there are broken implementations of fflush(NULL)
2986 * out there, Solaris being the most prominent.
45bc9206
GS		 2987 */
2988#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2989# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2990# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2991# else
2992# ifdef FFLUSH_ALL
2993# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2994# else
c5be433b 2995# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2996# endif
66fe083f 2997# endif
45bc9206
GS		 2998#endif
2999
7766f137
GS		 3000#ifndef PERL_WAIT_FOR_CHILDREN
3001# define PERL_WAIT_FOR_CHILDREN NOOP
3002#endif
3003
ba869deb 3004/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3005#ifndef PERL_SET_INTERP
3006# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3007#endif
3008
3009#ifndef PERL_GET_INTERP
3010# define PERL_GET_INTERP (PL_curinterp)
3011#endif
3012
54aff467 3013#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3014# ifdef MULTIPLICITY
ba869deb 3015# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3016# endif
ba869deb
GS		 3017# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3018#endif
3019
00f254e2 3020/*
8896765a 3021 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3022 All that is required is that the perl source does not
00f254e2
KW		 3023 use "%-p" or "%-<number>p" or "%<number>p" formats.
3024 These formats will still work in perl code.
486ec47a 3025 See comments in sv.c for further details.
8896765a 3026
8896765a 3027 Robin Barker 2005-07-14
f46d31f2 3028
00f254e2 3029 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3030*/
8896765a
RB		 3031
3032#ifndef SVf_
63ce7bf0 3033# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3034#endif
3035
8896765a 3036#ifndef SVf
104abab4 3037# define SVf "-p"
d2560b70
RB		 3038#endif
3039
014ead4b 3040#ifndef SVf32
8896765a 3041# define SVf32 SVf_(32)
014ead4b
RB		 3042#endif
3043
3044#ifndef SVf256
8896765a
RB		 3045# define SVf256 SVf_(256)
3046#endif
3047
be2597df
MHM		 3048#define SVfARG(p) ((void*)(p))
3049
20023040
FC		 3050#ifndef HEKf
3051# define HEKf "2p"
3052#endif
3053
b8fa5213
FC		 3054/* Not ideal, but we cannot easily include a number in an already-numeric
3055 * format sequence. */
3056#ifndef HEKf256
3057# define HEKf256 "3p"
3058#endif
3059
20023040
FC		 3060#define HEKfARG(p) ((void*)(p))
3061
b17a0679
FC		 3062/* Takes three arguments: is_utf8, length, str */
3063#ifndef UTF8f
3064# define UTF8f "d%"UVuf"%4p"
3065#endif
3066#define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
3067
f46d31f2 3068#ifdef PERL_CORE
486ec47a 3069/* not used; but needed for backward compatibility with XS code? - RMB */
f46d31f2
RB		 3070# undef VDf
3071#else
3072# ifndef VDf
8896765a
RB		 3073# define VDf "vd"
3074# endif
014ead4b 3075#endif
170cd9e9
NC		 3076
3077#ifdef PERL_CORE
486ec47a 3078/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB		 3079# undef UVf
3080#else
170cd9e9
NC		 3081# ifndef UVf
3082# define UVf UVuf
3083# endif
d2560b70
RB		 3084#endif
3085
fcdf39cf
RGS		 3086#ifdef HASATTRIBUTE_DEPRECATED
3087# define __attribute__deprecated__ __attribute__((deprecated))
3088#endif
0dbb1585
AL		 3089#ifdef HASATTRIBUTE_FORMAT
3090# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3091#endif
3092#ifdef HASATTRIBUTE_MALLOC
77785eea 3093# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3094#endif
0dbb1585 3095#ifdef HASATTRIBUTE_NONNULL
abb2c242 3096# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3097#endif
0dbb1585 3098#ifdef HASATTRIBUTE_NORETURN
abb2c242 3099# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3100#endif
0dbb1585 3101#ifdef HASATTRIBUTE_PURE
abb2c242 3102# define __attribute__pure__ __attribute__((pure))
f22be1b8 3103#endif
0dbb1585
AL		 3104#ifdef HASATTRIBUTE_UNUSED
3105# define __attribute__unused__ __attribute__((unused))
3106#endif
3107#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3108# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3109#endif
3110
0dbb1585 3111/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3112#ifndef __attribute__deprecated__
3113# define __attribute__deprecated__
3114#endif
0dbb1585
AL		 3115#ifndef __attribute__format__
3116# define __attribute__format__(x,y,z)
3117#endif
f22be1b8 3118#ifndef __attribute__malloc__
abb2c242 3119# define __attribute__malloc__
f22be1b8
JH		 3120#endif
3121#ifndef __attribute__nonnull__
abb2c242 3122# define __attribute__nonnull__(a)
f22be1b8
JH		 3123#endif
3124#ifndef __attribute__noreturn__
abb2c242 3125# define __attribute__noreturn__
f22be1b8
JH		 3126#endif
3127#ifndef __attribute__pure__
abb2c242 3128# define __attribute__pure__
f22be1b8 3129#endif
0dbb1585
AL		 3130#ifndef __attribute__unused__
3131# define __attribute__unused__
3132#endif
f22be1b8 3133#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3134# define __attribute__warn_unused_result__
3135#endif
3136
0dbb1585
AL		 3137/* For functions that are marked as __attribute__noreturn__, it's not
3138 appropriate to call return. In either case, include the lint directive.
3139 */
3140#ifdef HASATTRIBUTE_NORETURN
118e2215 3141# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */
0dbb1585 3142#else
118e2215 3143# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */ return 0
abb2c242
JH		 3144#endif
3145
cdfeb707
RB		 3146/* Some OS warn on NULL format to printf */
3147#ifdef PRINTF_FORMAT_NULL_OK
3148# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3149#else
00f254e2 3150# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB		 3151#endif
3152
635aebb7 3153#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3154# define EXPECT(expr,val) __builtin_expect(expr,val)
3155#else
3156# define EXPECT(expr,val) (expr)
3157#endif
6d5abc62
NC		 3158#define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3159#define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
635aebb7
AL		 3160#ifdef HAS_BUILTIN_CHOOSE_EXPR
3161/* placeholder */
3162#endif
b37c2d43 3163
3fc1aec6
PP		 3164/* Some unistd.h's give a prototype for pause() even though
3165 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3166 below to be rejected by the compiler. Sigh.
3fc1aec6
PP		 3167*/
3168#ifdef HAS_PAUSE
3169#define Pause pause
3170#else
3171#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3172#endif
3173
3174#ifndef IOCPARM_LEN
3175# ifdef IOCPARM_MASK
61f1c44b 3176 /* on BSDish systems we're safe */
748a9306
LW		 3177# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3178# else
61f1c44b 3179# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3180 /* on Linux systems we're safe; except when we're not [perl #38223] */
3181# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3182# else
748a9306 3183 /* otherwise guess at what's safe */
61f1c44b
JVD		 3184# define IOCPARM_LEN(x) 256
3185# endif
748a9306 3186# endif
a0d0e21e
LW		 3187#endif
3188
1761cee5 3189#if defined(__CYGWIN__)
521e0776
GS		 3190/* USEMYBINMODE
3191 * This symbol, if defined, indicates that the program should
16fe6d59 3192 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3193 * that a file is in "binary" mode -- that is, that no translation
3194 * of bytes occurs on read or write operations.
3195 */
36894f0b 3196# define USEMYBINMODE /**/
77a40698 3197# include <io.h> /* for setmode() prototype */
16fe6d59 3198# define my_binmode(fp, iotype, mode) \
77a40698 3199 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP		 3200#endif
3201
88d10794
JH		 3202#ifdef __CYGWIN__
3203void init_os_extras(void);
3204#endif
3205
cea2e8a9
GS		 3206#ifdef UNION_ANY_DEFINITION
3207UNION_ANY_DEFINITION;
3208#else
3209union any {
3210 void* any_ptr;
3211 I32 any_i32;
3212 IV any_iv;
c6bf6a65 3213 UV any_uv;
cea2e8a9 3214 long any_long;
9febdf04 3215 bool any_bool;
c76ac1ee 3216 void (*any_dptr) (void*);
acfe0abc 3217 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3218};
3219#endif
3220
acfe0abc 3221typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3222
3223#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3224#define FILTER_DATA(idx) \
3225 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3226#define FILTER_ISREADER(idx) \
3227 (PL_parser && PL_parser->rsfp_filters \
3228 && idx >= AvFILLp(PL_parser->rsfp_filters))
3229#define PERL_FILTER_EXISTS(i) \
3230 (PL_parser && PL_parser->rsfp_filters \
3231 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3232
c5078cac
JH		 3233#if defined(_AIX) && !defined(_AIX43)
3234#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3235/* We cannot include <crypt.h> to get the struct crypt_data
3236 * because of setkey prototype problems when threading */
3237typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3238 /* From OSF, Not needed in AIX
3239 char C[28], D[28];
3240 */
3241 char E[48];
3242 char KS[16][48];
3243 char block[66];
3244 char iobuf[16];
3245} CRYPTD;
3246#endif /* threading */
3247#endif /* AIX */
3248
e37778c2 3249#if !defined(OS2)
2c2d71f5
JH		 3250# include "iperlsys.h"
3251#endif
504f80c1 3252
9c12f1e5 3253#ifdef __LIBCATAMOUNT__
00f254e2 3254#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS		 3255#undef HAS_GROUP
3256#define FAKE_BIT_BUCKET
3257#endif
3258
d10dc2ae
JH		 3259/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3260 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3261 * defined by Configure, despite their names being similar to the
3262 * other defines like USE_ITHREADS. Configure in fact knows nothing
3263 * about the randomised hashes. Therefore to enable/disable the hash
3264 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3265#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3266# define USE_HASH_SEED
504f80c1
JH		 3267#endif
3268
598921a7
NC		 3269/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3270 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3271 * it's not really needed.
3272 */
3273#if defined(WIN32)
3274# define YYTOKENTYPE
3275#endif
3276#include "perly.h"
3277
3278#ifdef PERL_MAD
3279struct nexttoken {
3280 YYSTYPE next_val; /* value of next token, if any */
3281 I32 next_type; /* type of next token */
3282 MADPROP *next_mad; /* everything else about that token */
3283};
3284#endif
3285
654eccd5
JD		 3286/* macros to define bit-fields in structs. */
3287#ifndef PERL_BITFIELD8
3288# define PERL_BITFIELD8 unsigned
3289#endif
3290#ifndef PERL_BITFIELD16
3291# define PERL_BITFIELD16 unsigned
3292#endif
3293#ifndef PERL_BITFIELD32
3294# define PERL_BITFIELD32 unsigned
3295#endif
3296
79072805 3297#include "sv.h"
288b8c02 3298#include "regexp.h"
378cc40b 3299#include "util.h"
8d063cd8 3300#include "form.h"
79072805 3301#include "gv.h"
dd2155a4 3302#include "pad.h"
79072805 3303#include "cv.h"
abdd5c84 3304#include "opnames.h"
79072805 3305#include "op.h"
b3ca2e83 3306#include "hv.h"
79072805
LW		 3307#include "cop.h"
3308#include "av.h"
79072805
LW		 3309#include "mg.h"
3310#include "scope.h"
4438c4b7 3311#include "warnings.h"
a0ed51b3 3312#include "utf8.h"
8d063cd8 3313
0d7d409d
DM		 3314/* these would be in doio.h if there was such a file */
3315#define my_stat() my_stat_flags(SV_GMAGIC)
3316#define my_lstat() my_lstat_flags(SV_GMAGIC)
3317
20f4945e 3318/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM		 3319#undef _XPV_HEAD
3320#undef _XPVMG_HEAD
3321#undef _XPVCV_COMMON
7fae4e64
GS		 3322
3323typedef struct _sublex_info SUBLEXINFO;
3324struct _sublex_info {
651b5b28
NC		 3325 U8 super_state; /* lexer state to save */
3326 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3327 OP *sub_op; /* "lex_op" to use */
7cc34111 3328 SV *repl; /* replacement of s/// or y/// */
7fae4e64
GS		 3329};
3330
199e78b7
DM		 3331#include "parser.h"
3332
455ece5e 3333typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3334
2c2d71f5 3335struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3336struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3337
5f7fde29
GS		 3338struct ptr_tbl_ent {
3339 struct ptr_tbl_ent* next;
53c1dcc0 3340 const void* oldval;
5f7fde29 3341 void* newval;
d18c6117
GS		 3342};
3343
5f7fde29
GS		 3344struct ptr_tbl {
3345 struct ptr_tbl_ent** tbl_ary;
3346 UV tbl_max;
3347 UV tbl_items;
db93c0c4
NC		 3348 struct ptr_tbl_arena *tbl_arena;
3349 struct ptr_tbl_ent *tbl_arena_next;
3350 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS		 3351};
3352
fe14fcc3
LW		 3353#if defined(htonl) && !defined(HAS_HTONL)
3354#define HAS_HTONL
ae986130 3355#endif
fe14fcc3
LW		 3356#if defined(htons) && !defined(HAS_HTONS)
3357#define HAS_HTONS
ae986130 3358#endif
fe14fcc3
LW		 3359#if defined(ntohl) && !defined(HAS_NTOHL)
3360#define HAS_NTOHL
ae986130 3361#endif
fe14fcc3
LW		 3362#if defined(ntohs) && !defined(HAS_NTOHS)
3363#define HAS_NTOHS
ae986130 3364#endif
fe14fcc3 3365#ifndef HAS_HTONL
fe14fcc3
LW		 3366#define HAS_HTONS
3367#define HAS_HTONL
3368#define HAS_NTOHS
3369#define HAS_NTOHL
8e2d7c44
NC		 3370# if (BYTEORDER & 0xffff) == 0x4321
3371/* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3372 re-order their values. However, to behave identically to the alternative
3373 implementations, they should truncate to the correct size. */
3374# define ntohl(x) ((x)&0xFFFFFFFF)
3375# define htonl(x) ntohl(x)
3376# define ntohs(x) ((x)&0xFFFF)
3377# define htons(x) ntohs(x)
e4b03fed
NC		 3378# elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3379
3380/* Note that we can't straight out declare our own htonl and htons because
3381 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
3382 to avoid the overhead of initialising the socket subsystem, but the headers
3383 that *declare* the various functions are still seen. If we declare our own
3384 htonl etc they will clash with the declarations in the Win32 headers. */
3385
3386PERL_STATIC_INLINE U32
3387my_swap32(const U32 x) {
3388 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
3389 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
3390}
3391
3392PERL_STATIC_INLINE U16
3393my_swap16(const U16 x) {
3394 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
3395}
3396
3397# define htonl(x) my_swap32(x)
3398# define ntohl(x) my_swap32(x)
3399# define ntohs(x) my_swap16(x)
3400# define htons(x) my_swap16(x)
8e2d7c44 3401# else
691a44df
NC		 3402# error "Unsupported byteorder"
3403/* The C pre-processor doesn't let us return the value of BYTEORDER as part of
3404 the error message. Please check the value of the macro BYTEORDER, as defined
3405 in config.h. The values of BYTEORDER we expect are
3406
3407 big endian little endian
3408 32 bit 0x4321 0x1234
3409 64 bit 0x87654321 0x12345678
3410
3411 If you have a system with a different byte order, please see
3412 pod/perlhack.pod for how to submit a patch to add supporting code.
3413*/
3414# endif
a687059c
LW		 3415#endif
3416
988174c1
LW		 3417/*
3418 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3419 * -DWS
3420 */
5ae72479 3421#if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
260c6fee
NC		 3422/* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
3423 re-order their values. However, to behave identically to the alternative
3424 implementations, they should truncate to the correct size. */
3425# define vtohl(x) ((x)&0xFFFFFFFF)
3426# define vtohs(x) ((x)&0xFFFF)
3427# define htovl(x) vtohl(x)
3428# define htovs(x) vtohs(x)
545872c5 3429#elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3430# define vtohl(x) ((((x)&0xFF)<<24) \
3431 +(((x)>>24)&0xFF) \
3432 +(((x)&0x0000FF00)<<8) \
3433 +(((x)&0x00FF0000)>>8) )
3434# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3435# define htovl(x) vtohl(x)
3436# define htovs(x) vtohs(x)
545872c5
NC		 3437#else
3438# error "Unsupported byteorder"
3439/* If you have need for current perl on PDP-11 or similar, and can help test
3440 that blead keeps working on a mixed-endian system, then see
3441 pod/perlhack.pod for how to submit patches to things working again. */
2a8c3029 3442#endif
988174c1 3443
3bb7c1b4
JH		 3444/* *MAX Plus 1. A floating point value.
3445 Hopefully expressed in a way that dodgy floating point can't mess up.
3446 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3447 is added to it
3448 May find that some broken compiler will want the value cast to I32.
3449 [after the shift, as signed >> may not be as secure as unsigned >>]
3450*/
3451#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3452#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3453/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3454 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3455 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3456*/
3457#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3458
3bb7c1b4
JH		 3459#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3460#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3461#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3462
3463/* This may look like unnecessary jumping through hoops, but converting
3464 out of range floating point values to integers *is* undefined behaviour,
3465 and it is starting to bite.
3466*/
3467#ifndef CAST_INLINE
65202027 3468#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3469#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3470#define I_V(what) (cast_iv((NV)(what)))
3471#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3472#else
3473#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3474 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3475 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3476#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3477 : ((n) < U32_MAX_P1 ? (U32) (n) \
3478 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3479#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3480 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3481 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3482#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3483 : ((n) < UV_MAX_P1 ? (UV) (n) \
3484 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3485#endif
3486
3487#define U_S(what) ((U16)U_32(what))
3488#define U_I(what) ((unsigned int)U_32(what))
3489#define U_L(what) U_32(what)
ed6116ce 3490
ed140128
AD		 3491#ifdef HAS_SIGNBIT
3492# define Perl_signbit signbit
3493#endif
3494
2d4389e4
JH		 3495/* These do not care about the fractional part, only about the range. */
3496#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3497#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3498
25da4f38
IZ		 3499/* Used with UV/IV arguments: */
3500 /* XXXX: need to speed it up */
3501#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3502#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3503
352d5a3a
LW		 3504#ifndef MAXSYSFD
3505# define MAXSYSFD 2
3506#endif
ee0007ab 3507
79072805 3508#ifndef __cplusplus
e37d7e38 3509#if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3510Uid_t getuid (void);
3511Uid_t geteuid (void);
3512Gid_t getgid (void);
3513Gid_t getegid (void);
79072805 3514#endif
e1caacb4 3515#endif
8d063cd8 3516
0c30d9ec 3517#ifndef Perl_debug_log
bf49b057
GS		 3518# define Perl_debug_log PerlIO_stderr()
3519#endif
3520
3521#ifndef Perl_error_log
3522# define Perl_error_log (PL_stderrgv \
6b78add2 3523 && isGV(PL_stderrgv) \
01bb7c6d 3524 && GvIOp(PL_stderrgv) \
42de951c 3525 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3526 ? IoOFP(GvIOp(PL_stderrgv)) \
3527 : PerlIO_stderr())
0c30d9ec 3528#endif
3967c732 3529
aea4f609
DM		 3530
3531#define DEBUG_p_FLAG 0x00000001 /* 1 */
3532#define DEBUG_s_FLAG 0x00000002 /* 2 */
3533#define DEBUG_l_FLAG 0x00000004 /* 4 */
3534#define DEBUG_t_FLAG 0x00000008 /* 8 */
3535#define DEBUG_o_FLAG 0x00000010 /* 16 */
3536#define DEBUG_c_FLAG 0x00000020 /* 32 */
3537#define DEBUG_P_FLAG 0x00000040 /* 64 */
3538#define DEBUG_m_FLAG 0x00000080 /* 128 */
3539#define DEBUG_f_FLAG 0x00000100 /* 256 */
3540#define DEBUG_r_FLAG 0x00000200 /* 512 */
3541#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3542#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3543/* U is reserved for Unofficial, exploratory hacking */
3544#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3545#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3546#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3547#define DEBUG_D_FLAG 0x00008000 /* 32768 */
56967202 3548#define DEBUG_S_FLAG 0x00010000 /* 65536 */
aea4f609 3549#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3550#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3551#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3552#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3553#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3554#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3555#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 3556#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3557#define DEBUG_B_FLAG 0x02000000 /*33554432*/
56967202 3558#define DEBUG_MASK 0x03FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3559
3560#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3561#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3562 that something was done? */
aea4f609 3563
bd16a5f0
IZ		 3564# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3565# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3566# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3567# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3568# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3569# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3570# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3571# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3572# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3573# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3574# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3575# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3576# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3577# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3578# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3579# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
56967202 3580# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
bd16a5f0
IZ		 3581# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3582# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3583# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3584# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3585# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3586# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3587# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3588# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3589# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3590# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3591# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3592# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3593
3967c732 3594#ifdef DEBUGGING
aea4f609 3595
bd16a5f0
IZ		 3596# define DEBUG_p_TEST DEBUG_p_TEST_
3597# define DEBUG_s_TEST DEBUG_s_TEST_
3598# define DEBUG_l_TEST DEBUG_l_TEST_
3599# define DEBUG_t_TEST DEBUG_t_TEST_
3600# define DEBUG_o_TEST DEBUG_o_TEST_
3601# define DEBUG_c_TEST DEBUG_c_TEST_
3602# define DEBUG_P_TEST DEBUG_P_TEST_
3603# define DEBUG_m_TEST DEBUG_m_TEST_
3604# define DEBUG_f_TEST DEBUG_f_TEST_
3605# define DEBUG_r_TEST DEBUG_r_TEST_
3606# define DEBUG_x_TEST DEBUG_x_TEST_
3607# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3608# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3609# define DEBUG_H_TEST DEBUG_H_TEST_
3610# define DEBUG_X_TEST DEBUG_X_TEST_
3611# define DEBUG_D_TEST DEBUG_D_TEST_
56967202 3612# define DEBUG_S_TEST DEBUG_S_TEST_
bd16a5f0
IZ		 3613# define DEBUG_T_TEST DEBUG_T_TEST_
3614# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3615# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3616# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3617# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3618# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3619# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3620# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3621# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC		 3622# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3623# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3624# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3625
488b0c7a
JH		 3626# define PERL_DEB(a) a
3627# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3628# define DEBUG_p(a) if (DEBUG_p_TEST) a
3629# define DEBUG_s(a) if (DEBUG_s_TEST) a
3630# define DEBUG_l(a) if (DEBUG_l_TEST) a
3631# define DEBUG_t(a) if (DEBUG_t_TEST) a
3632# define DEBUG_o(a) if (DEBUG_o_TEST) a
3633# define DEBUG_c(a) if (DEBUG_c_TEST) a
3634# define DEBUG_P(a) if (DEBUG_P_TEST) a
3635
969058bb
VK		 3636 /* Temporarily turn off memory debugging in case the a
3637 * does memory allocation, either directly or indirectly. */
acfe0abc 3638# define DEBUG_m(a) \
0b250b9e 3639 STMT_START { \
aea4f609 3640 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3641 } STMT_END
aea4f609 3642
5f80b19c
AMS		 3643# define DEBUG__(t, a) \
3644 STMT_START { \
3645 if (t) STMT_START {a;} STMT_END; \
3646 } STMT_END
3647
3648# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3649#ifndef PERL_EXT_RE_BUILD
5f80b19c 3650# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3651#else
3652# define DEBUG_r(a) STMT_START {a;} STMT_END
3653#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3654# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3655# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3656# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3657# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3658# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3659# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3660# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3661# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3662# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3663
56967202 3664# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
5f80b19c
AMS		 3665# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3666# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3667# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3668# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3669# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3670# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3671# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3672# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM		 3673
3674#else /* DEBUGGING */
3675
3676# define DEBUG_p_TEST (0)
3677# define DEBUG_s_TEST (0)
3678# define DEBUG_l_TEST (0)
3679# define DEBUG_t_TEST (0)
3680# define DEBUG_o_TEST (0)
3681# define DEBUG_c_TEST (0)
3682# define DEBUG_P_TEST (0)
3683# define DEBUG_m_TEST (0)
3684# define DEBUG_f_TEST (0)
3685# define DEBUG_r_TEST (0)
3686# define DEBUG_x_TEST (0)
3687# define DEBUG_u_TEST (0)
88d2d28a 3688# define DEBUG_U_TEST (0)
aea4f609
DM		 3689# define DEBUG_H_TEST (0)
3690# define DEBUG_X_TEST (0)
3691# define DEBUG_D_TEST (0)
56967202 3692# define DEBUG_S_TEST (0)
aea4f609 3693# define DEBUG_T_TEST (0)
04932ac8 3694# define DEBUG_R_TEST (0)
1045810a 3695# define DEBUG_J_TEST (0)
d6721266 3696# define DEBUG_v_TEST (0)
46187eeb 3697# define DEBUG_C_TEST (0)
ecae49c0
NC		 3698# define DEBUG_A_TEST (0)
3699# define DEBUG_q_TEST (0)
d7c0d282 3700# define DEBUG_M_TEST (0)
cc8773c0 3701# define DEBUG_B_TEST (0)
7949c6f5
JC		 3702# define DEBUG_Xv_TEST (0)
3703# define DEBUG_Uv_TEST (0)
ad9e76a8 3704# define DEBUG_Pv_TEST (0)
aea4f609 3705
488b0c7a
JH		 3706# define PERL_DEB(a)
3707# define PERL_DEBUG(a)
aea4f609
DM		 3708# define DEBUG_p(a)
3709# define DEBUG_s(a)
3710# define DEBUG_l(a)
3711# define DEBUG_t(a)
3712# define DEBUG_o(a)
3713# define DEBUG_c(a)
3714# define DEBUG_P(a)
3715# define DEBUG_m(a)
3716# define DEBUG_f(a)
3717# define DEBUG_r(a)
3718# define DEBUG_x(a)
3719# define DEBUG_u(a)
88d2d28a 3720# define DEBUG_U(a)
aea4f609
DM		 3721# define DEBUG_H(a)
3722# define DEBUG_X(a)
3723# define DEBUG_D(a)
56967202 3724# define DEBUG_S(a)
aea4f609 3725# define DEBUG_T(a)
04932ac8 3726# define DEBUG_R(a)
d6721266 3727# define DEBUG_v(a)
46187eeb 3728# define DEBUG_C(a)
ecae49c0
NC		 3729# define DEBUG_A(a)
3730# define DEBUG_q(a)
d7c0d282 3731# define DEBUG_M(a)
cc8773c0 3732# define DEBUG_B(a)
7949c6f5
JC		 3733# define DEBUG_Xv(a)
3734# define DEBUG_Uv(a)
ad9e76a8 3735# define DEBUG_Pv(a)
aea4f609
DM		 3736#endif /* DEBUGGING */
3737
3738
b4ab917c 3739#define DEBUG_SCOPE(where) \
d9f81b50 3740 DEBUG_l( \