This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
https://perl5.git.perl.org / perl5.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Provide ntohl, ntohs, htonl and htons no-op macros on big endian systems.
[perl5.git] / perl.h
CommitLineData
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
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
00f254e2 31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
b0f06652
VK		 37# ifndef USE_CROSS_COMPILE
38# include "config.h"
39# else
40# include "xconfig.h"
41# endif
12ae5dfc 42#endif
0cb96387 43
2c2d71f5
JH		 44/* See L<perlguts/"The Perl API"> for detailed notes on
45 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
46
ac6bedea
JH		 47/* Note that from here --> to <-- the same logic is
48 * repeated in makedef.pl, so be certain to update
49 * both places when editing. */
50
6f4183fe 51#ifdef USE_ITHREADS
acfe0abc 52# if !defined(MULTIPLICITY)
6f4183fe
GS		 53# define MULTIPLICITY
54# endif
55#endif
56
27da23d5
JH		 57#ifdef PERL_GLOBAL_STRUCT_PRIVATE
58# ifndef PERL_GLOBAL_STRUCT
59# define PERL_GLOBAL_STRUCT
60# endif
61#endif
97aff369 62
27da23d5
JH		 63#ifdef PERL_GLOBAL_STRUCT
64# ifndef MULTIPLICITY
65# define MULTIPLICITY
66# endif
67#endif
68
97aff369
JH		 69#ifdef MULTIPLICITY
70# ifndef PERL_IMPLICIT_CONTEXT
71# define PERL_IMPLICIT_CONTEXT
72# endif
73#endif
74
026fd48b
GH		 75/* undef WIN32 when building on Cygwin (for libwin32) - gph */
76#ifdef __CYGWIN__
77# undef WIN32
78# undef _WIN32
79#endif
80
27da23d5
JH		 81#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
82# ifndef SYMBIAN
83# define SYMBIAN
84# endif
85#endif
86
a0fd4948 87#ifdef __SYMBIAN32__
27da23d5
JH		 88# include "symbian/symbian_proto.h"
89#endif
90
91/* Any stack-challenged places. The limit varies (and often
92 * is configurable), but using more than a kilobyte of stack
93 * is usually dubious in these systems. */
739a0b84
NC		 94#if defined(__SYMBIAN32__)
95/* Symbian: need to work around the SDK features. *
27da23d5
JH		 96 * On WINS: MS VC5 generates calls to _chkstk, *
97 * if a "large" stack frame is allocated. *
98 * gcc on MARM does not generate calls like these. */
99# define USE_HEAP_INSTEAD_OF_STACK
100#endif
101
102#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 103/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 104#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 105# define USE_REENTRANT_API
106#endif
107
ac6bedea
JH		 108/* <--- here ends the logic shared by perl.h and makedef.pl */
109
af28e889 110/*
6239f2da
JH		 111 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
112 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 113 * __bsdi__ for BSD/OS
114 */
6239f2da 115#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 116# ifndef BSDish
117# define BSDish
118# endif
119#endif
120
cf5a8da6
MHM		 121#undef START_EXTERN_C
122#undef END_EXTERN_C
123#undef EXTERN_C
124#ifdef __cplusplus
125# define START_EXTERN_C extern "C" {
126# define END_EXTERN_C }
127# define EXTERN_C extern "C"
128#else
129# define START_EXTERN_C
130# define END_EXTERN_C
131# define EXTERN_C extern
132#endif
133
17a6c8e3
AD		 134/* Fallback definitions in case we don't have definitions from config.h.
135 This should only matter for systems that don't use Configure and
136 haven't been modified to define PERL_STATIC_INLINE yet.
137*/
138#if !defined(PERL_STATIC_INLINE)
139# ifdef HAS_STATIC_INLINE
140# define PERL_STATIC_INLINE static inline
141# else
142# define PERL_STATIC_INLINE static
143# endif
144#endif
145
27da23d5
JH		 146#ifdef PERL_GLOBAL_STRUCT
147# ifndef PERL_GET_VARS
148# ifdef PERL_GLOBAL_STRUCT_PRIVATE
cf5a8da6 149 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
27da23d5
JH		 150# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
151# ifndef PERLIO_FUNCS_CONST
152# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
153# endif
154# else
155# define PERL_GET_VARS() PL_VarsPtr
156# endif
157# endif
158#endif
159
5aaab254 160#define pVAR struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH		 161
162#ifdef PERL_GLOBAL_STRUCT
163# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
164#else
165# define dVAR dNOOP
166#endif
167
c5be433b 168#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 169# ifndef MULTIPLICITY
170# define MULTIPLICITY
c5be433b 171# endif
e8dda941 172# define tTHX PerlInterpreter*
5aaab254 173# define pTHX tTHX my_perl PERL_UNUSED_DECL
3db8f154 174# define aTHX my_perl
9399a70c 175# define aTHXa(a) aTHX = (tTHX)a
27da23d5 176# ifdef PERL_GLOBAL_STRUCT
e8dda941 177# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 178# else
e8dda941 179# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH		 180# endif
181# ifdef PERL_GLOBAL_STRUCT
182# define dTHX dVAR; pTHX = PERL_GET_THX
183# else
184# define dTHX pTHX = PERL_GET_THX
185# endif
c5be433b 186# define pTHX_ pTHX,
c5be433b 187# define aTHX_ aTHX,
4373e329 188# define pTHX_1 2
894356b3
GS		 189# define pTHX_2 3
190# define pTHX_3 4
191# define pTHX_4 5
4373e329
AL		 192# define pTHX_5 6
193# define pTHX_6 7
a3b680e6
AL		 194# define pTHX_7 8
195# define pTHX_8 9
196# define pTHX_9 10
e8dda941
JD		 197# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
198# define PERL_TRACK_MEMPOOL
199# endif
200#else
201# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 202#endif
203
76e3520e 204#define STATIC static
16c91539
BM		 205
206#ifndef PERL_CORE
207/* Do not use these macros. They were part of PERL_OBJECT, which was an
208 * implementation of multiplicity using C++ objects. They have been left
209 * here solely for the sake of XS code which has incorrectly
210 * cargo-culted them.
211 */
76e3520e 212#define CPERLscope(x) x
565764a8 213#define CPERLarg void
76e3520e 214#define CPERLarg_
e3b8966e 215#define _CPERLarg
1d583055
GS		 216#define PERL_OBJECT_THIS
217#define _PERL_OBJECT_THIS
218#define PERL_OBJECT_THIS_
312caa8e 219#define CALL_FPTR(fptr) (*fptr)
ef69c8fc 220#define MEMBER_TO_FPTR(name) name
16c91539 221#endif /* !PERL_CORE */
76e3520e 222
16c91539 223#define CALLRUNOPS PL_runops
f9f4320a 224
3ab4a224 225#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 226
16c91539 227#define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
f9f4320a 228#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
16c91539 229 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
f9f4320a
YO		 230 (strbeg),(minend),(screamer),(data),(flags))
231#define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \
16c91539 232 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strpos), \
f9f4320a
YO		 233 (strend),(flags),(data))
234#define CALLREG_INTUIT_STRING(prog) \
16c91539 235 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
f8149455 236
f8149455
YO		 237#define CALLREGFREE(prog) \
238 Perl_pregfree(aTHX_ (prog))
239
240#define CALLREGFREE_PVT(prog) \
16c91539 241 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
f8149455 242
2fdbfb4d 243#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
16c91539 244 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
93b32b6d 245
2fdbfb4d 246#define CALLREG_NUMBUF_STORE(rx,paren,value) \
16c91539 247 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
2fdbfb4d
AB		 248
249#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
16c91539 250 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
2fdbfb4d 251
192b9cd1 252#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
16c91539 253 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
192b9cd1
AB		 254
255#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
16c91539 256 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
192b9cd1
AB		 257
258#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
16c91539 259 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB		 260
261#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
16c91539 262 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB		 263
264#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
16c91539 265 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB		 266
267#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
16c91539 268 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB		 269
270#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
16c91539 271 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB		 272
273#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
16c91539 274 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
AB		 275
276#define CALLREG_NAMED_BUFF_COUNT(rx) \
16c91539 277 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
192b9cd1
AB		 278
279#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
16c91539 280 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 281
49d7dfbc 282#define CALLREG_PACKAGE(rx) \
16c91539 283 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
93b32b6d 284
00f254e2 285#if defined(USE_ITHREADS)
f9f4320a 286#define CALLREGDUPE(prog,param) \
f8149455
YO		 287 Perl_re_dup(aTHX_ (prog),(param))
288
289#define CALLREGDUPE_PVT(prog,param) \
16c91539 290 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
00f254e2 291 : (REGEXP *)NULL)
f9f4320a 292#endif
14dd3ad8 293
a20207d7 294
bcdf7404 295
a20207d7
YO		 296
297
5ba4cab2
SH		 298/*
299 * Because of backward compatibility reasons the PERL_UNUSED_DECL
300 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
301 *
302 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 303 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 304 * marking unused variables (they need e.g. a #pragma) and therefore
305 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
306 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
307 *
308 */
1266ad8c 309
9969cdde 310#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 311# ifdef __cplusplus
5ba4cab2 312# define PERL_UNUSED_DECL
5b2bd0a5 313# else
5ba4cab2 314# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 315# endif
316#endif
44dbb695 317
5b2bd0a5 318#ifndef PERL_UNUSED_DECL
34659ad4 319# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 320# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 321# else
5ba4cab2 322# define PERL_UNUSED_DECL
b79c357a 323# endif
5b2bd0a5 324#endif
00f254e2 325
349b520e
DM		 326/* gcc -Wall:
327 * for silencing unused variables that are actually used most of the time,
a0288114 328 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 329 */
53c1dcc0 330#ifndef PERL_UNUSED_ARG
c99ffe5e 331# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 332# include <note.h>
53c1dcc0 333# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 334# else
53c1dcc0 335# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 336# endif
337#endif
53c1dcc0
AL		 338#ifndef PERL_UNUSED_VAR
339# define PERL_UNUSED_VAR(x) ((void)x)
340#endif
ad73156c 341
96a5add6
AL		 342#ifdef USE_ITHREADS
343# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
344#else
345# define PERL_UNUSED_CONTEXT
346#endif
347
6f207bd3 348#define NOOP /*EMPTY*/(void)0
bafdc25d
NC		 349/* cea2e8a9dd23747f accidentally lost the comment originally from the first
350 check in of thread.h, explaining why we need dNOOP at all: */
351/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
352/* Declaring a *function*, instead of a variable, ensures that we don't rely
353 on being able to suppress "unused" warnings. */
7db66e12
CB		 354#ifdef __cplusplus
355#define dNOOP (void)0
356#else
64a8239e 357#define dNOOP extern int Perl___notused(void)
7db66e12 358#endif
71be2cbc 359
0cb96387 360#ifndef pTHX
e8dda941
JD		 361/* Don't bother defining tTHX and sTHX; using them outside
362 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
363 */
0cb96387
GS		 364# define pTHX void
365# define pTHX_
0cb96387
GS		 366# define aTHX
367# define aTHX_
9399a70c 368# define aTHXa(a) NOOP
0cb96387
GS		 369# define dTHXa(a) dNOOP
370# define dTHX dNOOP
894356b3
GS		 371# define pTHX_1 1
372# define pTHX_2 2
373# define pTHX_3 3
374# define pTHX_4 4
3d42dc86
RGS		 375# define pTHX_5 5
376# define pTHX_6 6
a3b680e6
AL		 377# define pTHX_7 7
378# define pTHX_8 8
379# define pTHX_9 9
0cb96387
GS		 380#endif
381
27da23d5
JH		 382#ifndef dVAR
383# define dVAR dNOOP
384#endif
385
b4f7f263
GS		 386/* these are only defined for compatibility; should not be used internally */
387#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 388# define pTHXo pTHX
389# define pTHXo_ pTHX_
0cb96387
GS		 390# define aTHXo aTHX
391# define aTHXo_ aTHX_
c5be433b 392# define dTHXo dTHX
71d280e3 393# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 394#endif
395
396#ifndef pTHXx
5aaab254 397# define pTHXx PerlInterpreter *my_perl
0cb96387 398# define pTHXx_ pTHXx,
0cb96387
GS		 399# define aTHXx my_perl
400# define aTHXx_ aTHXx,
c5be433b 401# define dTHXx dTHX
22c35a8c 402#endif
71be2cbc 403
1de7c2ac
GS		 404/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
405 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
406 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
407#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 408# ifdef PERL_GLOBAL_STRUCT_PRIVATE
409# define dTHXs dVAR; dTHX
410# else
411# define dTHXs dTHX
412# endif
1de7c2ac 413#else
27da23d5
JH		 414# ifdef PERL_GLOBAL_STRUCT_PRIVATE
415# define dTHXs dVAR
416# else
417# define dTHXs dNOOP
418# endif
1de7c2ac
GS		 419#endif
420
27da23d5
JH		 421/* Some platforms require marking function declarations
422 * for them to be exportable. Used in perlio.h, proto.h
423 * is handled either by the makedef.pl or by defining the
424 * PERL_CALLCONV to be something special. See also the
425 * definition of XS() in XSUB.h. */
426#ifndef PERL_EXPORT_C
a0c21aa1
JH		 427# ifdef __cplusplus
428# define PERL_EXPORT_C extern "C"
429# else
430# define PERL_EXPORT_C extern
431# endif
27da23d5
JH		 432#endif
433#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 434# ifdef __cplusplus
435# define PERL_XS_EXPORT_C extern "C"
436# else
437# define PERL_XS_EXPORT_C
438# endif
27da23d5
JH		 439#endif
440
462e5cf6
MB		 441#ifdef OP_IN_REGISTER
442# ifdef __GNUC__
443# define stringify_immed(s) #s
444# define stringify(s) stringify_immed(s)
5aaab254 445struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 446# endif
447#endif
448
e5afc1ae 449/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 450 * g++ allows them but seems to have problems with them
70aab261
RB		 451 * (insane errors ensue).
452 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
453 */
454#if defined(PERL_GCC_PEDANTIC) || \
455 (defined(__GNUC__) && defined(__cplusplus) && \
456 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 457# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 458# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
459# endif
5dc8bdac
JH		 460#endif
461
5b692037
JH		 462#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
463# ifndef PERL_USE_GCC_BRACE_GROUPS
464# define PERL_USE_GCC_BRACE_GROUPS
465# endif
466#endif
467
728e2803 468/*
469 * STMT_START { statements; } STMT_END;
470 * can be used as a single statement, as in
471 * if (x) STMT_START { ... } STMT_END; else ...
472 *
473 * Trying to select a version that gives no warnings...
474 */
475#if !(defined(STMT_START) && defined(STMT_END))
5b692037 476# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 477# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 478# define STMT_END )
479# else
480 /* Now which other defined()s do we need here ??? */
93189314 481# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 482# define STMT_START if (1)
483# define STMT_END else (void)0
484# else
485# define STMT_START do
486# define STMT_END while (0)
487# endif
488# endif
489#endif
490
d6f9c181
JH		 491#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
492# define BYTEORDER 0x1234
79072805
LW		 493#endif
494
495/* Overall memory policy? */
496#ifndef CONSERVATIVE
497# define LIBERAL 1
498#endif
499
8ada0baa
JH		 500#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
501#define ASCIIish
502#else
503#undef ASCIIish
504#endif
505
79072805
LW		 506/*
507 * The following contortions are brought to you on behalf of all the
508 * standards, semi-standards, de facto standards, not-so-de-facto standards
509 * of the world, as well as all the other botches anyone ever thought of.
510 * The basic theory is that if we work hard enough here, the rest of the
511 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
512 */
ac58e20f 513
ee0007ab 514/* define this once if either system, instead of cluttering up the src */
7c458fae 515#if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 516#define DOSISH 1
517#endif
518
739a0b84 519#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 520# define STANDARD_C 1
521#endif
522
739a0b84 523#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 524# define DONT_DECLARE_STD 1
525#endif
526
352d5a3a 527#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 528# define VOL volatile
663a0e37 529#else
79072805 530# define VOL
663a0e37
LW		 531#endif
532
284167a5
S		 533/* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
534 * you get a perl without taint support, but doubtlessly with a lesser
535 * degree of support. Do not do so unless you know exactly what it means
536 * technically, have a good reason to do so, and know exactly how the
537 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
538 * a potential security risk due to flat out ignoring the security-relevant
539 * taint flags. This being said, a perl without taint support compiled in
540 * has marginal run-time performance benefits.
541 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
542 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
543 * silently ignores -t/-T instead of throwing an exception.
053a3618
S		 544 *
545 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
6ecb40c7 546 * voids your nonexistent warranty!
284167a5
S		 547 */
548#if SILENT_NO_TAINT_SUPPORT && !defined(NO_TAINT_SUPPORT)
549# define NO_TAINT_SUPPORT 1
550#endif
551
552/* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
553 * operations into no-ops for a very modest speed-up. Enable only if you
554 * know what you're doing: tests and CPAN modules' tests are bound to fail.
555 */
556#if NO_TAINT_SUPPORT
557# define TAINT NOOP
558# define TAINT_NOT NOOP
559# define TAINT_IF(c) NOOP
560# define TAINT_ENV() NOOP
561# define TAINT_PROPER(s) NOOP
562# define TAINT_set(s) NOOP
563# define TAINT_get 0
564# define TAINTING_get 0
565# define TAINTING_set(s) NOOP
566# define TAINT_WARN_get 0
567# define TAINT_WARN_set(s) NOOP
568#else
569# define TAINT (PL_tainted = TRUE)
570# define TAINT_NOT (PL_tainted = FALSE)
2439e033
S		 571# define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = TRUE; }
572# define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); }
573# define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); }
284167a5
S		 574# define TAINT_set(s) (PL_tainted = (s))
575# define TAINT_get (PL_tainted)
576# define TAINTING_get (PL_tainting)
577# define TAINTING_set(s) (PL_tainting = (s))
578# define TAINT_WARN_get (PL_taint_warn)
579# define TAINT_WARN_set(s) (PL_taint_warn = (s))
580#endif
a687059c 581
20be6587
DM		 582/* flags used internally only within pp_subst and pp_substcont */
583#ifdef PERL_CORE
584# define SUBST_TAINT_STR 1 /* string tainted */
585# define SUBST_TAINT_PAT 2 /* pattern tainted */
586# define SUBST_TAINT_REPL 4 /* replacement tainted */
587# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
588# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
589#endif
590
d460ef45 591/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 592 defines move there? If so, I could simplify this a lot. --AD 9/96.
593*/
594/* Process group stuff changed from traditional BSD to POSIX.
595 perlfunc.pod documents the traditional BSD-style syntax, so we'll
596 try to preserve that, if possible.
597*/
598#ifdef HAS_SETPGID
599# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 600#else
a6e633de 601# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
602# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
603# else
604# ifdef HAS_SETPGRP2 /* DG/UX */
605# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
606# endif
607# endif
608#endif
609#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
610# define HAS_SETPGRP /* Well, effectively it does . . . */
611#endif
612
613/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
614 our life easier :-) so we'll try it.
615*/
616#ifdef HAS_GETPGID
617# define BSD_GETPGRP(pid) getpgid((pid))
618#else
619# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
620# define BSD_GETPGRP(pid) getpgrp((pid))
621# else
622# ifdef HAS_GETPGRP2 /* DG/UX */
623# define BSD_GETPGRP(pid) getpgrp2((pid))
624# endif
625# endif
626#endif
627#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
628# define HAS_GETPGRP /* Well, effectively it does . . . */
629#endif
630
d460ef45 631/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 632 have different behaviors, but perl.h used to define USE_BSDPGRP
633 (prior to 5.003_05) so some extension might depend on it.
634*/
635#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
636# ifndef USE_BSDPGRP
637# define USE_BSDPGRP
638# endif
663a0e37
LW		 639#endif
640
486ec47a 641/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH		 642 pthread.h must be included before all other header files.
643*/
3db8f154 644#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 645# include <pthread.h>
646#endif
647
760ac839
LW		 648#ifndef _TYPES_ /* If types.h defines this it's easy. */
649# ifndef major /* Does everyone's types.h define this? */
650# include <sys/types.h>
c07a80fd 651# endif
663a0e37
LW		 652#endif
653
760ac839
LW		 654#ifdef __cplusplus
655# ifndef I_STDARG
656# define I_STDARG 1
657# endif
658#endif
659
660#ifdef I_STDARG
661# include <stdarg.h>
662#else
663# ifdef I_VARARGS
664# include <varargs.h>
665# endif
666#endif
667
4633a7c4 668#ifdef USE_NEXT_CTYPE
0c30d9ec 669
092bebab
JH		 670#if NX_CURRENT_COMPILER_RELEASE >= 500
671# include <bsd/ctypes.h>
672#else
673# if NX_CURRENT_COMPILER_RELEASE >= 400
674# include <objc/NXCType.h>
675# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
676# include <appkit/NXCType.h>
677# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
678#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 679
680#else /* !USE_NEXT_CTYPE */
fe14fcc3 681#include <ctype.h>
0c30d9ec 682#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 683
684#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
685#undef METHOD
a0d0e21e
LW		 686#endif
687
12ae5dfc
JH		 688#ifdef PERL_MICRO
689# define NO_LOCALE
690#endif
691
4633a7c4 692#ifdef I_LOCALE
36477c24 693# include <locale.h>
4633a7c4
LW		 694#endif
695
36477c24 696#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
697# define USE_LOCALE
698# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
699 && defined(HAS_STRXFRM)
700# define USE_LOCALE_COLLATE
701# endif
702# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
703# define USE_LOCALE_CTYPE
704# endif
705# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
706# define USE_LOCALE_NUMERIC
707# endif
708#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 709
fe14fcc3 710#include <setjmp.h>
79072805 711
a0d0e21e 712#ifdef I_SYS_PARAM
79072805
LW		 713# ifdef PARAM_NEEDS_TYPES
714# include <sys/types.h>
715# endif
716# include <sys/param.h>
352d5a3a 717#endif
79072805 718
79072805 719/* Use all the "standard" definitions? */
a0d0e21e 720#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 721# include <stdlib.h>
ff68c719 722#endif
03a14243 723
3f270f98
JH		 724/* If this causes problems, set i_unistd=undef in the hint file. */
725#ifdef I_UNISTD
726# include <unistd.h>
727#endif
728
de8ca8af
NT		 729/* for WCOREDUMP */
730#ifdef I_SYS_WAIT
731# include <sys/wait.h>
732#endif
733
9969cdde 734#ifdef __SYMBIAN32__
27da23d5
JH		 735# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
736#endif
737
7114a2d2 738#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 739EXTERN_C int syscall(int, ...);
2ef53570
JH		 740#endif
741
7114a2d2 742#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 743EXTERN_C int usleep(unsigned int);
2ef53570
JH		 744#endif
745
9c12f1e5
RGS		 746/* Funky places that do not have socket stuff. */
747#if defined(__LIBCATAMOUNT__)
748# define MYSWAP
749#endif
750
9a34ef1d
GS		 751#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
752# define MYSWAP
753#endif
754
1109a392
MHM		 755#ifdef PERL_CORE
756
757/* macros for correct constant construction */
758# if INTSIZE >= 2
759# define U16_CONST(x) ((U16)x##U)
760# else
761# define U16_CONST(x) ((U16)x##UL)
762# endif
763
764# if INTSIZE >= 4
765# define U32_CONST(x) ((U32)x##U)
766# else
767# define U32_CONST(x) ((U32)x##UL)
768# endif
769
770# ifdef HAS_QUAD
771# if INTSIZE >= 8
772# define U64_CONST(x) ((U64)x##U)
773# elif LONGSIZE >= 8
774# define U64_CONST(x) ((U64)x##UL)
775# elif QUADKIND == QUAD_IS_LONG_LONG
776# define U64_CONST(x) ((U64)x##ULL)
52865553
SH		 777# elif QUADKIND == QUAD_IS___INT64
778# define U64_CONST(x) ((U64)x##UI64)
1109a392
MHM		 779# else /* best guess we can make */
780# define U64_CONST(x) ((U64)x##UL)
781# endif
782# endif
783
784/* byte-swapping functions for big-/little-endian conversion */
785# define _swab_16_(x) ((U16)( \
786 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
787 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
788
789# define _swab_32_(x) ((U32)( \
790 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
791 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
792 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
793 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
794
795# ifdef HAS_QUAD
796# define _swab_64_(x) ((U64)( \
797 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
798 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
799 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
800 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
801 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
802 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
803 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
804 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
805# endif
806
807/*----------------------------------------------------------------------------*/
808# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
809/*----------------------------------------------------------------------------*/
810# define my_htole16(x) (x)
811# define my_letoh16(x) (x)
812# define my_htole32(x) (x)
813# define my_letoh32(x) (x)
814# define my_htobe16(x) _swab_16_(x)
815# define my_betoh16(x) _swab_16_(x)
816# define my_htobe32(x) _swab_32_(x)
817# define my_betoh32(x) _swab_32_(x)
818# ifdef HAS_QUAD
819# define my_htole64(x) (x)
820# define my_letoh64(x) (x)
821# define my_htobe64(x) _swab_64_(x)
822# define my_betoh64(x) _swab_64_(x)
823# endif
824# define my_htoles(x) (x)
825# define my_letohs(x) (x)
826# define my_htolei(x) (x)
827# define my_letohi(x) (x)
828# define my_htolel(x) (x)
829# define my_letohl(x) (x)
830# if SHORTSIZE == 1
831# define my_htobes(x) (x)
832# define my_betohs(x) (x)
833# elif SHORTSIZE == 2
834# define my_htobes(x) _swab_16_(x)
835# define my_betohs(x) _swab_16_(x)
836# elif SHORTSIZE == 4
837# define my_htobes(x) _swab_32_(x)
838# define my_betohs(x) _swab_32_(x)
839# elif SHORTSIZE == 8
840# define my_htobes(x) _swab_64_(x)
841# define my_betohs(x) _swab_64_(x)
842# else
843# define PERL_NEED_MY_HTOBES
844# define PERL_NEED_MY_BETOHS
845# endif
846# if INTSIZE == 1
847# define my_htobei(x) (x)
848# define my_betohi(x) (x)
849# elif INTSIZE == 2
850# define my_htobei(x) _swab_16_(x)
851# define my_betohi(x) _swab_16_(x)
852# elif INTSIZE == 4
853# define my_htobei(x) _swab_32_(x)
854# define my_betohi(x) _swab_32_(x)
855# elif INTSIZE == 8
856# define my_htobei(x) _swab_64_(x)
857# define my_betohi(x) _swab_64_(x)
858# else
859# define PERL_NEED_MY_HTOBEI
860# define PERL_NEED_MY_BETOHI
861# endif
862# if LONGSIZE == 1
863# define my_htobel(x) (x)
864# define my_betohl(x) (x)
865# elif LONGSIZE == 2
866# define my_htobel(x) _swab_16_(x)
867# define my_betohl(x) _swab_16_(x)
868# elif LONGSIZE == 4
869# define my_htobel(x) _swab_32_(x)
870# define my_betohl(x) _swab_32_(x)
871# elif LONGSIZE == 8
872# define my_htobel(x) _swab_64_(x)
873# define my_betohl(x) _swab_64_(x)
874# else
875# define PERL_NEED_MY_HTOBEL
876# define PERL_NEED_MY_BETOHL
877# endif
878# define my_htolen(p,n) NOOP
879# define my_letohn(p,n) NOOP
880# define my_htoben(p,n) my_swabn(p,n)
881# define my_betohn(p,n) my_swabn(p,n)
882/*----------------------------------------------------------------------------*/
883# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
884/*----------------------------------------------------------------------------*/
885# define my_htobe16(x) (x)
886# define my_betoh16(x) (x)
887# define my_htobe32(x) (x)
888# define my_betoh32(x) (x)
889# define my_htole16(x) _swab_16_(x)
890# define my_letoh16(x) _swab_16_(x)
891# define my_htole32(x) _swab_32_(x)
892# define my_letoh32(x) _swab_32_(x)
893# ifdef HAS_QUAD
894# define my_htobe64(x) (x)
895# define my_betoh64(x) (x)
896# define my_htole64(x) _swab_64_(x)
897# define my_letoh64(x) _swab_64_(x)
898# endif
899# define my_htobes(x) (x)
900# define my_betohs(x) (x)
901# define my_htobei(x) (x)
902# define my_betohi(x) (x)
903# define my_htobel(x) (x)
904# define my_betohl(x) (x)
905# if SHORTSIZE == 1
906# define my_htoles(x) (x)
907# define my_letohs(x) (x)
908# elif SHORTSIZE == 2
909# define my_htoles(x) _swab_16_(x)
910# define my_letohs(x) _swab_16_(x)
911# elif SHORTSIZE == 4
912# define my_htoles(x) _swab_32_(x)
913# define my_letohs(x) _swab_32_(x)
914# elif SHORTSIZE == 8
915# define my_htoles(x) _swab_64_(x)
916# define my_letohs(x) _swab_64_(x)
917# else
918# define PERL_NEED_MY_HTOLES
919# define PERL_NEED_MY_LETOHS
920# endif
921# if INTSIZE == 1
922# define my_htolei(x) (x)
923# define my_letohi(x) (x)
924# elif INTSIZE == 2
925# define my_htolei(x) _swab_16_(x)
926# define my_letohi(x) _swab_16_(x)
927# elif INTSIZE == 4
928# define my_htolei(x) _swab_32_(x)
929# define my_letohi(x) _swab_32_(x)
930# elif INTSIZE == 8
931# define my_htolei(x) _swab_64_(x)
932# define my_letohi(x) _swab_64_(x)
933# else
934# define PERL_NEED_MY_HTOLEI
935# define PERL_NEED_MY_LETOHI
936# endif
937# if LONGSIZE == 1
938# define my_htolel(x) (x)
939# define my_letohl(x) (x)
940# elif LONGSIZE == 2
941# define my_htolel(x) _swab_16_(x)
942# define my_letohl(x) _swab_16_(x)
943# elif LONGSIZE == 4
944# define my_htolel(x) _swab_32_(x)
945# define my_letohl(x) _swab_32_(x)
946# elif LONGSIZE == 8
947# define my_htolel(x) _swab_64_(x)
948# define my_letohl(x) _swab_64_(x)
949# else
950# define PERL_NEED_MY_HTOLEL
951# define PERL_NEED_MY_LETOHL
952# endif
953# define my_htolen(p,n) my_swabn(p,n)
954# define my_letohn(p,n) my_swabn(p,n)
955# define my_htoben(p,n) NOOP
956# define my_betohn(p,n) NOOP
957/*----------------------------------------------------------------------------*/
958# else /* all other byte-orders */
959/*----------------------------------------------------------------------------*/
960# define PERL_NEED_MY_HTOLE16
961# define PERL_NEED_MY_LETOH16
962# define PERL_NEED_MY_HTOBE16
963# define PERL_NEED_MY_BETOH16
964# define PERL_NEED_MY_HTOLE32
965# define PERL_NEED_MY_LETOH32
966# define PERL_NEED_MY_HTOBE32
967# define PERL_NEED_MY_BETOH32
968# ifdef HAS_QUAD
969# define PERL_NEED_MY_HTOLE64
970# define PERL_NEED_MY_LETOH64
971# define PERL_NEED_MY_HTOBE64
972# define PERL_NEED_MY_BETOH64
973# endif
974# define PERL_NEED_MY_HTOLES
975# define PERL_NEED_MY_LETOHS
976# define PERL_NEED_MY_HTOBES
977# define PERL_NEED_MY_BETOHS
978# define PERL_NEED_MY_HTOLEI
979# define PERL_NEED_MY_LETOHI
980# define PERL_NEED_MY_HTOBEI
981# define PERL_NEED_MY_BETOHI
982# define PERL_NEED_MY_HTOLEL
983# define PERL_NEED_MY_LETOHL
984# define PERL_NEED_MY_HTOBEL
985# define PERL_NEED_MY_BETOHL
986/*----------------------------------------------------------------------------*/
987# endif /* end of byte-order macros */
988/*----------------------------------------------------------------------------*/
989
9c17f24a
NC		 990/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
991 at least on FreeBSD. YMMV, so experiment. */
992#ifndef PERL_ARENA_SIZE
993#define PERL_ARENA_SIZE 4080
994#endif
995
ccb2c8b8 996/* Maximum level of recursion */
2b9dff67
RGS		 997#ifndef PERL_SUB_DEPTH_WARN
998#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 999#endif
1000
1109a392
MHM		 1001#endif /* PERL_CORE */
1002
bdf3085f
NC		 1003/* We no longer default to creating a new SV for GvSV.
1004 Do this before embed. */
1005#ifndef PERL_CREATE_GVSV
7459f06b
NC		 1006# ifndef PERL_DONT_CREATE_GVSV
1007# define PERL_DONT_CREATE_GVSV
1008# endif
bdf3085f
NC		 1009#endif
1010
ca0c25f6
NC		 1011#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
1012#define PERL_USES_PL_PIDSTATUS
1013#endif
1014
739a0b84 1015#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
a62746fa
RGS		 1016#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
1017#endif
1018
c31fac66
GS		 1019#define MEM_SIZE Size_t
1020
1936d2a7
NC		 1021/* Round all values passed to malloc up, by default to a multiple of
1022 sizeof(size_t)
1023*/
1024#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
1025#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
1026#endif
1027
f1200559
WH		 1028/* sv_grow() will expand strings by at least a certain percentage of
1029 the previously *used* length to avoid excessive calls to realloc().
1030 The default is 25% of the current length.
1031*/
1032#ifndef PERL_STRLEN_EXPAND_SHIFT
1033# define PERL_STRLEN_EXPAND_SHIFT 2
1034#endif
1035
51371543
GS		 1036#if defined(STANDARD_C) && defined(I_STDDEF)
1037# include <stddef.h>
1038# define STRUCT_OFFSET(s,m) offsetof(s,m)
1039#else
1040# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
1041#endif
1042
9969cdde 1043#ifndef __SYMBIAN32__
27da23d5
JH		 1044# if defined(I_STRING) || defined(__cplusplus)
1045# include <string.h>
1046# else
1047# include <strings.h>
1048# endif
51371543
GS		 1049#endif
1050
55497cff 1051/* This comes after <stdlib.h> so we don't try to change the standard
1052 * library prototypes; we'll use our own in proto.h instead. */
03a14243 1053
4633a7c4 1054#ifdef MYMALLOC
86058a2d 1055# ifdef PERL_POLLUTE_MALLOC
ee13e175 1056# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 1057# define Perl_malloc malloc
1058# define Perl_calloc calloc
1059# define Perl_realloc realloc
1060# define Perl_mfree free
ee13e175 1061# endif
86058a2d
GS		 1062# else
1063# define EMBEDMYMALLOC /* for compatibility */
1064# endif
827e134a 1065
651b9576
GS		 1066# define safemalloc Perl_malloc
1067# define safecalloc Perl_calloc
1068# define saferealloc Perl_realloc
1069# define safefree Perl_mfree
22f7c9c9
JH		 1070# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1071 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1072 code; \
1073 } STMT_END
1074# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1075 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1076# define panic_write2(s) write(2, s, strlen(s))
1077# define CHECK_MALLOC_TAINT(newval) \
1078 CHECK_MALLOC_TOO_LATE_FOR_( \
1079 if (newval) { \
1080 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1081 exit(1); })
22f7c9c9 1082# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1083 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 1084 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1085 }} STMT_END;
f2517201
GS		 1086#else /* MYMALLOC */
1087# define safemalloc safesysmalloc
1088# define safecalloc safesyscalloc
1089# define saferealloc safesysrealloc
1090# define safefree safesysfree
22f7c9c9
JH		 1091# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1092# define CHECK_MALLOC_TAINT(newval) ((void)0)
1093# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1094#endif /* MYMALLOC */
4633a7c4 1095
fe13d51d 1096/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 1097#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		 1098#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1099#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1100#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1101
a0d0e21e
LW		 1102#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1103#define strchr index
1104#define strrchr rindex
1105#endif
1106
16d20bd9
AD		 1107#ifdef I_MEMORY
1108# include <memory.h>
1109#endif
1110
fe14fcc3 1111#ifdef HAS_MEMCPY
85e6fe83 1112# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1113# ifndef memcpy
20ce7b12 1114 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 1115# endif
1116# endif
1117#else
1118# ifndef memcpy
1119# ifdef HAS_BCOPY
1120# define memcpy(d,s,l) bcopy(s,d,l)
1121# else
1122# define memcpy(d,s,l) my_bcopy(s,d,l)
1123# endif
1124# endif
1125#endif /* HAS_MEMCPY */
fe14fcc3 1126
ee0007ab 1127#ifdef HAS_MEMSET
85e6fe83 1128# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1129# ifndef memset
20ce7b12 1130 extern char *memset (char*, int, int);
ee0007ab
LW		 1131# endif
1132# endif
ee0007ab 1133#else
12ae5dfc 1134# undef memset
fc36a67e 1135# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1136#endif /* HAS_MEMSET */
1137
85e6fe83 1138#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1139# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1140# define memmove(d,s,l) bcopy(s,d,l)
1141# else
2304df62 1142# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1143# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1144# else
79072805 1145# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1146# endif
352d5a3a 1147# endif
d9d8d8de 1148#endif
ee0007ab 1149
36477c24 1150#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1151# undef HAS_MEMCMP
1152#endif
1153
1154#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1155# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1156# ifndef memcmp
20ce7b12 1157 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1158# endif
1159# endif
36477c24 1160# ifdef BUGGY_MSC
7e4e8c89 1161# pragma function(memcmp)
36477c24 1162# endif
ee0007ab
LW		 1163#else
1164# ifndef memcmp
ecfc5424 1165# define memcmp my_memcmp
352d5a3a 1166# endif
36477c24 1167#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1168
fc36a67e 1169#ifndef memzero
c635e13b 1170# ifdef HAS_MEMSET
1171# define memzero(d,l) memset(d,0,l)
79072805 1172# else
c635e13b 1173# ifdef HAS_BZERO
1174# define memzero(d,l) bzero(d,l)
79072805 1175# else
fc36a67e 1176# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1177# endif
1178# endif
d9d8d8de 1179#endif
378cc40b 1180
2f42fcb0 1181#ifndef PERL_MICRO
0f27ced1
JH		 1182#ifndef memchr
1183# ifndef HAS_MEMCHR
1184# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1185# endif
1186#endif
2f42fcb0 1187#endif
0f27ced1 1188
36477c24 1189#ifndef HAS_BCMP
1190# ifndef bcmp
1191# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1192# endif
36477c24 1193#endif /* !HAS_BCMP */
378cc40b 1194
ae986130 1195#ifdef I_NETINET_IN
79072805 1196# include <netinet/in.h>
ae986130
LW		 1197#endif
1198
28e8609d
JH		 1199#ifdef I_ARPA_INET
1200# include <arpa/inet.h>
1201#endif
1202
84902520
TB		 1203#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1204/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1205 * (the neo-BSD seem to do this). */
1206# undef SF_APPEND
1207#endif
1208
1aef975c 1209#ifdef I_SYS_STAT
84902520 1210# include <sys/stat.h>
1aef975c 1211#endif
79072805 1212
287a962e
JD		 1213/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1214 This definition should ideally go into win32/win32.h, but S_IFIFO is
1215 used later here in perl.h before win32/win32.h is being included. */
1216#if !defined(S_IFIFO) && defined(_S_IFIFO)
1217# define S_IFIFO _S_IFIFO
1218#endif
1219
cc3315ba 1220/* The stat macros for Unisoft System V/88 (and derivatives
a0d0e21e
LW		 1221 like UTekV) are broken, sometimes giving false positives. Undefine
1222 them here and let the code below set them to proper values.
1223
1224 The ghs macro stands for GreenHills Software C-1.8.5 which
1225 is the C compiler for sysV88 and the various derivatives.
1226 This header file bug is corrected in gcc-2.5.8 and later versions.
1227 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1228
cc3315ba 1229#if defined(m88k) && defined(ghs)
79072805
LW		 1230# undef S_ISDIR
1231# undef S_ISCHR
1232# undef S_ISBLK
1233# undef S_ISREG
1234# undef S_ISFIFO
1235# undef S_ISLNK
ee0007ab 1236#endif
135863df 1237
663a0e37
LW		 1238#ifdef I_TIME
1239# include <time.h>
ffed7fef 1240#endif
663a0e37 1241
fe14fcc3 1242#ifdef I_SYS_TIME
85e6fe83 1243# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1244# define KERNEL
1245# endif
1246# include <sys/time.h>
85e6fe83 1247# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1248# undef KERNEL
1249# endif
a687059c 1250#endif
135863df 1251
55497cff 1252#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1253# include <sys/times.h>
d9d8d8de 1254#endif
8d063cd8 1255
fe14fcc3 1256#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1257# undef HAS_STRERROR
663a0e37
LW		 1258#endif
1259
1260#include <errno.h>
1e743fda 1261
acfe0abc 1262#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1263# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1264#endif
1265
8cfab5ff 1266/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1267 * This is important for using IPv6.
8cfab5ff
JH		 1268 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1269 * a bad idea since it breaks send() and recv(). */
1270#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1271# define _SOCKADDR_LEN
1272#endif
1273
da70cfc6 1274#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH		 1275# include <sys/socket.h>
1276# if defined(USE_SOCKS) && defined(I_SOCKS)
1277# if !defined(INCLUDE_PROTOTYPES)
1278# define INCLUDE_PROTOTYPES /* for <socks.h> */
1279# define PERL_SOCKS_NEED_PROTOTYPES
1280# endif
1281# include <socks.h>
1282# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1283# undef INCLUDE_PROTOTYPES
1284# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1285# endif
d460ef45 1286# endif
1e743fda 1287# ifdef I_NETDB
2986a63f
JH		 1288# ifdef NETWARE
1289# include<stdio.h>
1290# endif
1e743fda
JH		 1291# include <netdb.h>
1292# endif
1293# ifndef ENOTSOCK
1294# ifdef I_NET_ERRNO
1295# include <net/errno.h>
1296# endif
1297# endif
1298#endif
1299
fa0a29af 1300/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1301 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1302 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1303#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1304# if defined(__THROW) && defined(__GLIBC__)
1305int sockatmark(int) __THROW;
1306# else
2ef53570 1307int sockatmark(int);
29820b6d 1308# endif
2ef53570
JH		 1309#endif
1310
7e827271 1311#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		 1312EXTERN_C int fchdir(int);
1313EXTERN_C int flock(int, int);
1314EXTERN_C int fseeko(FILE *, off_t, int);
1315EXTERN_C off_t ftello(FILE *);
1316#endif
1317
7e827271 1318#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1319EXTERN_C char *crypt(const char *, const char *);
7e827271 1320EXTERN_C char **environ;
1ccb7c8d
JH		 1321#endif
1322
83a6ff2e 1323#if defined(__cplusplus)
944c4fda 1324# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1325EXTERN_C char **environ;
83a6ff2e 1326# elif defined(__CYGWIN__)
667e2948
SP		 1327EXTERN_C char *crypt(const char *, const char *);
1328#endif
83a6ff2e 1329#endif
667e2948 1330
1e743fda
JH		 1331#ifdef SETERRNO
1332# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1333#endif
f86702cc 1334
1335#ifdef VMS
1336# define SETERRNO(errcode,vmserrcode) \
1337 STMT_START { \
1338 set_errno(errcode); \
1339 set_vaxc_errno(vmserrcode); \
1340 } STMT_END
4ee39169
CS		 1341# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1342# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1343# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1344# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1345
93189314
JH		 1346# define LIB_INVARG LIB$_INVARG
1347# define RMS_DIR RMS$_DIR
1348# define RMS_FAC RMS$_FAC
1349# define RMS_FEX RMS$_FEX
1350# define RMS_FNF RMS$_FNF
1351# define RMS_IFI RMS$_IFI
1352# define RMS_ISI RMS$_ISI
1353# define RMS_PRV RMS$_PRV
1354# define SS_ACCVIO SS$_ACCVIO
1355# define SS_DEVOFFLINE SS$_DEVOFFLINE
1356# define SS_IVCHAN SS$_IVCHAN
1357# define SS_NORMAL SS$_NORMAL
748a9306 1358#else
aba27d88 1359# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS		 1360# define dSAVEDERRNO int saved_errno
1361# define dSAVE_ERRNO int saved_errno = errno
1362# define SAVE_ERRNO (saved_errno = errno)
1363# define RESTORE_ERRNO (errno = saved_errno)
1364
93189314
JH		 1365# define LIB_INVARG 0
1366# define RMS_DIR 0
1367# define RMS_FAC 0
1368# define RMS_FEX 0
1369# define RMS_FNF 0
1370# define RMS_IFI 0
1371# define RMS_ISI 0
1372# define RMS_PRV 0
1373# define SS_ACCVIO 0
1374# define SS_DEVOFFLINE 0
1375# define SS_IVCHAN 0
1376# define SS_NORMAL 0
748a9306 1377#endif
ed6116ce 1378
f5fa9033 1379#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC		 1380
1381#define CLEAR_ERRSV() STMT_START { \
1382 if (!GvSV(PL_errgv)) { \
1383 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1384 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1385 SvREFCNT_dec(GvSV(PL_errgv)); \
1386 GvSV(PL_errgv) = newSVpvs(""); \
1387 } else { \
1388 SV *const errsv = GvSV(PL_errgv); \
1389 sv_setpvs(errsv, ""); \
1390 if (SvMAGICAL(errsv)) { \
1391 mg_free(errsv); \
1392 } \
1393 SvPOK_only(errsv); \
1394 } \
1395 } STMT_END
1396
1397
414bf5ae
MHM		 1398#ifdef PERL_CORE
1399# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC		 1400# define DEFSV_set(sv) \
1401 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1402# define SAVE_DEFSV \
1403 ( \
1404 save_gp(PL_defgv, 0), \
1405 GvINTRO_off(PL_defgv), \
1406 SAVEGENERICSV(GvSV(PL_defgv)), \
1407 GvSV(PL_defgv) = NULL \
1408 )
414bf5ae
MHM		 1409#else
1410# define DEFSV GvSVn(PL_defgv)
55b5114f
FC		 1411# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1412# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1413#endif
38a03e6e 1414
98eae8f5
GS		 1415#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1416
55497cff 1417#ifndef errno
5ff3f7a4
GS		 1418 extern int errno; /* ANSI allows errno to be an lvalue expr.
1419 * For example in multithreaded environments
1420 * something like this might happen:
1421 * extern int *_errno(void);
1422 * #define errno (*_errno()) */
d9d8d8de 1423#endif
663a0e37 1424
2304df62 1425#ifdef HAS_STRERROR
2242159b 1426#ifndef DONT_DECLARE_STD
a0d0e21e 1427# ifdef VMS
20ce7b12 1428 char *strerror (int,...);
a0d0e21e 1429# else
20ce7b12 1430 char *strerror (int);
a0d0e21e 1431# endif
2242159b 1432#endif
2304df62
AD		 1433# ifndef Strerror
1434# define Strerror strerror
1435# endif
1436#else
1437# ifdef HAS_SYS_ERRLIST
79072805
LW		 1438 extern int sys_nerr;
1439 extern char *sys_errlist[];
2304df62
AD		 1440# ifndef Strerror
1441# define Strerror(e) \
79072805 1442 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1443# endif
79072805 1444# endif
35c8bce7 1445#endif
663a0e37 1446
2304df62 1447#ifdef I_SYS_IOCTL
79072805
LW		 1448# ifndef _IOCTL_
1449# include <sys/ioctl.h>
1450# endif
a687059c
LW		 1451#endif
1452
ee0007ab 1453#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1454# ifdef HAS_SOCKETPAIR
1455# undef HAS_SOCKETPAIR
1456# endif
2304df62
AD		 1457# ifdef I_NDBM
1458# undef I_NDBM
79072805 1459# endif
a687059c
LW		 1460#endif
1461
02fc2eee
NC		 1462#ifndef HAS_SOCKETPAIR
1463# ifdef HAS_SOCKET
1464# define socketpair Perl_my_socketpair
1465# endif
1466#endif
1467
a687059c 1468#if INTSIZE == 2
79072805
LW		 1469# define htoni htons
1470# define ntohi ntohs
a687059c 1471#else
79072805
LW		 1472# define htoni htonl
1473# define ntohi ntohl
a687059c
LW		 1474#endif
1475
a0d0e21e 1476/* Configure already sets Direntry_t */
35c8bce7 1477#if defined(I_DIRENT)
663a0e37 1478# include <dirent.h>
8f1f23e8
W		 1479 /* NeXT needs dirent + sys/dir.h */
1480# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1481# include <sys/dir.h>
1482# endif
ae986130 1483#else
fe14fcc3 1484# ifdef I_SYS_NDIR
79a0689e 1485# include <sys/ndir.h>
663a0e37 1486# else
fe14fcc3 1487# ifdef I_SYS_DIR
79a0689e
LW		 1488# ifdef hp9000s500
1489# include <ndir.h> /* may be wrong in the future */
1490# else
1491# include <sys/dir.h>
1492# endif
663a0e37
LW		 1493# endif
1494# endif
4633a7c4 1495#endif
a687059c 1496
12ae5dfc
JH		 1497#ifdef PERL_MICRO
1498# ifndef DIR
1499# define DIR void
1500# endif
1501#endif
1502
352d5a3a
LW		 1503#ifdef FPUTS_BOTCH
1504/* work around botch in SunOS 4.0.1 and 4.0.2 */
1505# ifndef fputs
79072805 1506# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1507# endif
1508#endif
1509
c623bd54
LW		 1510/*
1511 * The following gobbledygook brought to you on behalf of __STDC__.
1512 * (I could just use #ifndef __STDC__, but this is more bulletproof
1513 * in the face of half-implementations.)
1514 */
1515
7114a2d2 1516#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1517#include <sys/mode.h>
1518#endif
1519
c623bd54
LW		 1520#ifndef S_IFMT
1521# ifdef _S_IFMT
1522# define S_IFMT _S_IFMT
1523# else
1524# define S_IFMT 0170000
1525# endif
1526#endif
1527
1528#ifndef S_ISDIR
1529# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1530#endif
1531
1532#ifndef S_ISCHR
1533# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1534#endif
1535
1536#ifndef S_ISBLK
fe14fcc3
LW		 1537# ifdef S_IFBLK
1538# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1539# else
1540# define S_ISBLK(m) (0)
1541# endif
c623bd54
LW		 1542#endif
1543
1544#ifndef S_ISREG
1545# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1546#endif
1547
1548#ifndef S_ISFIFO
fe14fcc3
LW		 1549# ifdef S_IFIFO
1550# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1551# else
1552# define S_ISFIFO(m) (0)
1553# endif
c623bd54
LW		 1554#endif
1555
1556#ifndef S_ISLNK
1557# ifdef _S_ISLNK
1558# define S_ISLNK(m) _S_ISLNK(m)
1559# else
1560# ifdef _S_IFLNK
1561# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1562# else
1563# ifdef S_IFLNK
1564# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1565# else
1566# define S_ISLNK(m) (0)
1567# endif
1568# endif
1569# endif
1570#endif
1571
1572#ifndef S_ISSOCK
1573# ifdef _S_ISSOCK
1574# define S_ISSOCK(m) _S_ISSOCK(m)
1575# else
1576# ifdef _S_IFSOCK
1577# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1578# else
1579# ifdef S_IFSOCK
1580# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1581# else
1582# define S_ISSOCK(m) (0)
1583# endif
1584# endif
1585# endif
1586#endif
1587
1588#ifndef S_IRUSR
1589# ifdef S_IREAD
1590# define S_IRUSR S_IREAD
1591# define S_IWUSR S_IWRITE
1592# define S_IXUSR S_IEXEC
1593# else
1594# define S_IRUSR 0400
1595# define S_IWUSR 0200
1596# define S_IXUSR 0100
1597# endif
fac7cdfc
JS		 1598#endif
1599
1600#ifndef S_IRGRP
1601# ifdef S_IRUSR
1602# define S_IRGRP (S_IRUSR>>3)
1603# define S_IWGRP (S_IWUSR>>3)
1604# define S_IXGRP (S_IXUSR>>3)
1605# else
1606# define S_IRGRP 0040
1607# define S_IWGRP 0020
1608# define S_IXGRP 0010
1609# endif
1610#endif
1611
1612#ifndef S_IROTH
1613# ifdef S_IRUSR
1614# define S_IROTH (S_IRUSR>>6)
1615# define S_IWOTH (S_IWUSR>>6)
1616# define S_IXOTH (S_IXUSR>>6)
1617# else
1618# define S_IROTH 0040
1619# define S_IWOTH 0020
1620# define S_IXOTH 0010
1621# endif
c623bd54
LW		 1622#endif
1623
1624#ifndef S_ISUID
1625# define S_ISUID 04000
1626#endif
1627
1628#ifndef S_ISGID
1629# define S_ISGID 02000
1630#endif
1631
ca6e1c26
JH		 1632#ifndef S_IRWXU
1633# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1634#endif
ca6e1c26
JH		 1635
1636#ifndef S_IRWXG
1637# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1638#endif
ca6e1c26
JH		 1639
1640#ifndef S_IRWXO
1641# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1642#endif
ca6e1c26 1643
b6c36746 1644/* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1645 * which would get included through <sys/file.h >, but that is 3000
1646 * lines in the future. --jhi */
1647
b6c36746 1648#if !defined(S_IREAD) && !defined(__HAIKU__)
ca6e1c26
JH		 1649# define S_IREAD S_IRUSR
1650#endif
1651
b6c36746 1652#if !defined(S_IWRITE) && !defined(__HAIKU__)
ca6e1c26
JH		 1653# define S_IWRITE S_IWUSR
1654#endif
1655
1656#ifndef S_IEXEC
1657# define S_IEXEC S_IXUSR
1658#endif
1659
79072805
LW		 1660#ifdef ff_next
1661# undef ff_next
352d5a3a
LW		 1662#endif
1663
a0d0e21e 1664#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1665# define SLOPPYDIVIDE
1666#endif
1667
748a9306
LW		 1668#ifdef UV
1669#undef UV
1670#endif
1671
ce582cee
NC		 1672/* For the times when you want the return value of sprintf, and you want it
1673 to be the length. Can't have a thread variable passed in, because C89 has
1674 no varargs macros.
1675*/
1676#ifdef SPRINTF_RETURNS_STRLEN
1677# define my_sprintf sprintf
1678#else
1679# define my_sprintf Perl_my_sprintf
1680#endif
1681
5b692037
JH		 1682/*
1683 * If we have v?snprintf() and the C99 variadic macros, we can just
1684 * use just the v?snprintf(). It is nice to try to trap the buffer
1685 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1686 * gcc statement expressions, then use the function wrappers which try
1687 * to trap the overflow. If we can use the gcc statement expressions,
1688 * we can try that even with the version that uses the C99 variadic
1689 * macros.
5b692037
JH		 1690 */
1691
1208b3dd
JH		 1692/* Note that we do not check against snprintf()/vsnprintf() returning
1693 * negative values because that is non-standard behaviour and we use
1694 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1695 * that should be true only if the snprintf()/vsnprintf() are true
1696 * to the standard. */
1697
dfeee9b1 1698#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1699# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1700# 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 1701# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1702# else
1703# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1704# endif
1705#else
1706# define my_snprintf Perl_my_snprintf
1208b3dd 1707# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1708#endif
1709
dfeee9b1 1710#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1711# ifdef PERL_USE_GCC_BRACE_GROUPS
9e440ecc 1712# 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 1713# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1714# else
1715# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1716# endif
1717#else
1718# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1719# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1720#endif
d9fad198 1721
a6cc4119
SP		 1722#ifdef HAS_STRLCAT
1723# define my_strlcat strlcat
1724#else
1725# define my_strlcat Perl_my_strlcat
1726#endif
1727
1728#ifdef HAS_STRLCPY
1729# define my_strlcpy strlcpy
1730#else
1731# define my_strlcpy Perl_my_strlcpy
1732#endif
1733
05f13f53 1734/*
27d4fb96 1735 The IV type is supposed to be long enough to hold any integral
1736 value or a pointer.
1737 --Andy Dougherty August 1996
1738*/
1739
a22e52b9
JH		 1740typedef IVTYPE IV;
1741typedef UVTYPE UV;
8175356b 1742
10cc9d2a 1743#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1744# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1745# define IV_MAX INT64_MAX
1746# define IV_MIN INT64_MIN
1747# define UV_MAX UINT64_MAX
cae7ae48
JH		 1748# ifndef UINT64_MIN
1749# define UINT64_MIN 0
1750# endif
5ff3f7a4
GS		 1751# define UV_MIN UINT64_MIN
1752# else
1753# define IV_MAX PERL_QUAD_MAX
1754# define IV_MIN PERL_QUAD_MIN
1755# define UV_MAX PERL_UQUAD_MAX
1756# define UV_MIN PERL_UQUAD_MIN
1757# endif
cf2093f6
JH		 1758# define IV_IS_QUAD
1759# define UV_IS_QUAD
79072805 1760#else
8175356b 1761# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1762# define IV_MAX INT32_MAX
1763# define IV_MIN INT32_MIN
716026f9
DL		 1764# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1765# define UV_MAX UINT32_MAX
1766# else
1767# define UV_MAX 4294967295U
1768# endif
cae7ae48
JH		 1769# ifndef UINT32_MIN
1770# define UINT32_MIN 0
1771# endif
5ff3f7a4
GS		 1772# define UV_MIN UINT32_MIN
1773# else
1774# define IV_MAX PERL_LONG_MAX
1775# define IV_MIN PERL_LONG_MIN
1776# define UV_MAX PERL_ULONG_MAX
1777# define UV_MIN PERL_ULONG_MIN
1778# endif
8175356b 1779# if IVSIZE == 8
cf2093f6
JH		 1780# define IV_IS_QUAD
1781# define UV_IS_QUAD
de1c2614
JH		 1782# ifndef HAS_QUAD
1783# define HAS_QUAD
1784# endif
cf2093f6
JH		 1785# else
1786# undef IV_IS_QUAD
1787# undef UV_IS_QUAD
de1c2614 1788# undef HAS_QUAD
cf2093f6 1789# endif
79072805 1790#endif
d7d93a81 1791
1109a392
MHM		 1792#ifndef HAS_QUAD
1793# undef PERL_NEED_MY_HTOLE64
1794# undef PERL_NEED_MY_LETOH64
1795# undef PERL_NEED_MY_HTOBE64
1796# undef PERL_NEED_MY_BETOH64
1797#endif
1798
cae7ae48 1799#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1800#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1801
28e5dec8 1802#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1803#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1804#endif
1805
d460ef45 1806/*
26bb67e2
JH		 1807 * The macros INT2PTR and NUM2PTR are (despite their names)
1808 * bi-directional: they will convert int/float to or from pointers.
1809 * However the conversion to int/float are named explicitly:
1810 * PTR2IV, PTR2UV, PTR2NV.
1811 *
1812 * For int conversions we do not need two casts if pointers are
1813 * the same size as IV and UV. Otherwise we need an explicit
1814 * cast (PTRV) to avoid compiler warnings.
1815 */
56431972
RB		 1816#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1817# define PTRV UV
1818# define INT2PTR(any,d) (any)(d)
1819#else
d460ef45 1820# if PTRSIZE == LONGSIZE
56431972 1821# define PTRV unsigned long
e91e3b10 1822# define PTR2ul(p) (unsigned long)(p)
42718184 1823# else
56431972 1824# define PTRV unsigned
42718184 1825# endif
e91e3b10
RB		 1826#endif
1827
1828#ifndef INT2PTR
56431972 1829# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1830#endif
e91e3b10
RB		 1831
1832#ifndef PTR2ul
1833# define PTR2ul(p) INT2PTR(unsigned long,p)
1834#endif
1835
56431972
RB		 1836#define NUM2PTR(any,d) (any)(PTRV)(d)
1837#define PTR2IV(p) INT2PTR(IV,p)
1838#define PTR2UV(p) INT2PTR(UV,p)
1839#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1840#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1841
8141890a
JH		 1842/* According to strict ANSI C89 one cannot freely cast between
1843 * data pointers and function (code) pointers. There are at least
1844 * two ways around this. One (used below) is to do two casts,
1845 * first the other pointer to an (unsigned) integer, and then
1846 * the integer to the other pointer. The other way would be
1847 * to use unions to "overlay" the pointers. For an example of
1848 * the latter technique, see union dirpu in struct xpvio in sv.h.
1849 * The only feasible use is probably temporarily storing
1850 * function pointers in a data pointer (such as a void pointer). */
1851
e91e3b10
RB		 1852#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1853#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1854
65202027 1855#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1856# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1857# define LONG_DOUBLE_EQUALS_DOUBLE
1858# endif
68d4903c 1859# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1860# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1861# endif
1862#endif
1863
2d4389e4
JH		 1864#ifdef OVR_DBL_DIG
1865/* Use an overridden DBL_DIG */
1866# ifdef DBL_DIG
1867# undef DBL_DIG
1868# endif
1869# define DBL_DIG OVR_DBL_DIG
1870#else
1871/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1872 default value for printing floating point numbers in Gconvert
1873 (see config.h). (It also has other uses, such as figuring out if
1874 a given precision of printing can be done with a double instead of
1875 a long double - Allen).
2d4389e4
JH		 1876*/
1877#ifdef I_LIMITS
1878#include <limits.h>
1879#endif
1880#ifdef I_FLOAT
1881#include <float.h>
1882#endif
1883#ifndef HAS_DBL_DIG
1884#define DBL_DIG 15 /* A guess that works lots of places */
1885#endif
1886#endif
1887
1888#ifdef OVR_LDBL_DIG
1889/* Use an overridden LDBL_DIG */
1890# ifdef LDBL_DIG
1891# undef LDBL_DIG
1892# endif
1893# define LDBL_DIG OVR_LDBL_DIG
1894#else
1895/* The following is all to get LDBL_DIG, in order to pick a nice
1896 default value for printing floating point numbers in Gconvert.
1897 (see config.h)
1898*/
68d4903c
JH		 1899# ifdef I_LIMITS
1900# include <limits.h>
1901# endif
1902# ifdef I_FLOAT
1903# include <float.h>
1904# endif
1905# ifndef HAS_LDBL_DIG
1906# if LONG_DOUBLESIZE == 10
1907# define LDBL_DIG 18 /* assume IEEE */
1908# else
1909# if LONG_DOUBLESIZE == 12
1910# define LDBL_DIG 18 /* gcc? */
1911# else
1912# if LONG_DOUBLESIZE == 16
1913# define LDBL_DIG 33 /* assume IEEE */
1914# else
1915# if LONG_DOUBLESIZE == DOUBLESIZE
1916# define LDBL_DIG DBL_DIG /* bummer */
1917# endif
1918# endif
1919# endif
1920# endif
1921# endif
2d4389e4
JH		 1922#endif
1923
20f6aaab
AS		 1924/*
1925 * This is for making sure we have a good DBL_MAX value, if possible,
1926 * either for usage as NV_MAX or for usage in figuring out if we can
1927 * fit a given long double into a double, if bug-fixing makes it
1928 * necessary to do so. - Allen <allens@cpan.org>
1929 */
1930
205f51d8
AS		 1931#ifdef I_LIMITS
1932# include <limits.h>
20f6aaab
AS		 1933#endif
1934
205f51d8
AS		 1935#ifdef I_VALUES
1936# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1937# include <values.h>
1938# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1939# define DBL_MAX MAXDOUBLE
1940# endif
1941# if defined(MINDOUBLE) && !defined(DBL_MIN)
1942# define DBL_MIN MINDOUBLE
1943# endif
1944# endif
1945#endif /* defined(I_VALUES) */
1946
a22e52b9 1947typedef NVTYPE NV;
8175356b 1948
792d8dab
JH		 1949#ifdef I_IEEEFP
1950# include <ieeefp.h>
1951#endif
923fc586 1952
65202027 1953#ifdef USE_LONG_DOUBLE
923fc586
JH		 1954# ifdef I_SUNMATH
1955# include <sunmath.h>
1956# endif
2d4389e4 1957# define NV_DIG LDBL_DIG
d6c14000
JH		 1958# ifdef LDBL_MANT_DIG
1959# define NV_MANT_DIG LDBL_MANT_DIG
1960# endif
06fc1729
JH		 1961# ifdef LDBL_MIN
1962# define NV_MIN LDBL_MIN
1963# endif
1964# ifdef LDBL_MAX
1965# define NV_MAX LDBL_MAX
1966# endif
1967# ifdef LDBL_MIN_10_EXP
1968# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1969# endif
1970# ifdef LDBL_MAX_10_EXP
1971# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1972# endif
1973# ifdef LDBL_EPSILON
1974# define NV_EPSILON LDBL_EPSILON
1975# endif
f4a14a62
JH		 1976# ifdef LDBL_MAX
1977# define NV_MAX LDBL_MAX
20f6aaab 1978/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1979# else
1980# ifdef HUGE_VALL
1981# define NV_MAX HUGE_VALL
1982# else
1983# ifdef HUGE_VAL
1984# define NV_MAX ((NV)HUGE_VAL)
1985# endif
1986# endif
1987# endif
68d4903c 1988# ifdef HAS_SQRTL
68d4903c
JH		 1989# define Perl_cos cosl
1990# define Perl_sin sinl
1991# define Perl_sqrt sqrtl
1992# define Perl_exp expl
1993# define Perl_log logl
1994# define Perl_atan2 atan2l
1995# define Perl_pow powl
1996# define Perl_floor floorl
1bbae031 1997# define Perl_ceil ceill
68d4903c
JH		 1998# define Perl_fmod fmodl
1999# endif
a3540c92
JH		 2000/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
2001# ifdef HAS_MODFL
2002# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 2003/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
2004 prototype in <math.h> */
2005# ifndef HAS_MODFL_PROTO
a221a8a5 2006EXTERN_C long double modfl(long double, long double *);
51997bc3 2007# endif
03476e8e
JH		 2008# else
2009# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 2010 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 2011# define Perl_modf(x,y) Perl_my_modfl(x,y)
2012# endif
a3540c92
JH		 2013# endif
2014# ifdef HAS_FREXPL
dff3e0b8 2015# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 2016# else
2017# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 2018 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 2019# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
2020# endif
a3540c92 2021# endif
38dbb4c5 2022# ifndef Perl_isnan
758a5d79
JH		 2023# ifdef HAS_ISNANL
2024# define Perl_isnan(x) isnanl(x)
2025# endif
2026# endif
2027# ifndef Perl_isinf
2028# ifdef HAS_FINITEL
2029# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 2030# endif
2031# endif
65202027 2032#else
2d4389e4 2033# define NV_DIG DBL_DIG
d6c14000
JH		 2034# ifdef DBL_MANT_DIG
2035# define NV_MANT_DIG DBL_MANT_DIG
2036# endif
06fc1729
JH		 2037# ifdef DBL_MIN
2038# define NV_MIN DBL_MIN
2039# endif
2040# ifdef DBL_MAX
2041# define NV_MAX DBL_MAX
2042# endif
2043# ifdef DBL_MIN_10_EXP
2044# define NV_MIN_10_EXP DBL_MIN_10_EXP
2045# endif
2046# ifdef DBL_MAX_10_EXP
2047# define NV_MAX_10_EXP DBL_MAX_10_EXP
2048# endif
2049# ifdef DBL_EPSILON
2050# define NV_EPSILON DBL_EPSILON
2051# endif
205f51d8 2052# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 2053# define NV_MAX DBL_MAX
2054# define NV_MIN DBL_MIN
2055# else
2056# ifdef HUGE_VAL
2057# define NV_MAX HUGE_VAL
2058# endif
2059# endif
65202027
DS		 2060# define Perl_cos cos
2061# define Perl_sin sin
2062# define Perl_sqrt sqrt
2063# define Perl_exp exp
2064# define Perl_log log
2065# define Perl_atan2 atan2
2066# define Perl_pow pow
2067# define Perl_floor floor
1bbae031 2068# define Perl_ceil ceil
65202027 2069# define Perl_fmod fmod
a3540c92 2070# define Perl_modf(x,y) modf(x,y)
dff3e0b8 2071# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 2072#endif
2073
2074/* rumor has it that Win32 has _fpclass() */
2075
205f51d8
AS		 2076/* SGI has fpclassl... but not with the same result values,
2077 * and it's via a typedef (not via #define), so will need to redo Configure
2078 * to use. Not worth the trouble, IMO, at least until the below is used
2079 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
2080 * with me for the SGI manpages, SGI testing, etcetera, if you want to
2081 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
2082
758a5d79
JH		 2083#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2084# ifdef I_IEEFP
2085# include <ieeefp.h>
2086# endif
2087# ifdef I_FP
2088# include <fp.h>
2089# endif
2090# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2091# define Perl_fp_class() fpclassl(x)
2092# else
2093# define Perl_fp_class() fpclass(x)
2094# endif
2095# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2096# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2097# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2098# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2099# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2100# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2101# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2102# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2103# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2104# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2105# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2106# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2107# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2108# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2109# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2110#endif
2111
7114a2d2 2112#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2113# include <math.h>
2114# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2115# include <fp_class.h>
2116# endif
2117# define Perl_fp_class(x) fp_class(x)
2118# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2119# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2120# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2121# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2122# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2123# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2124# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2125# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2126# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2127# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2128# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2129# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2130# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2131# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2132# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2133#endif
2134
2135#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2136# include <math.h>
2137# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2138# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2139# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2140# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2141# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2142# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2143#endif
2144
2145#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2146# include <math.h>
2147# ifndef _cplusplus
2148# define Perl_fp_class(x) class(x)
2149# else
2150# define Perl_fp_class(x) _class(x)
2151# endif
2152# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2153# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2154# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2155# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2156# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2157# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2158# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2159# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2160# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2161# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2162# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2163# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2164# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2165# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2166# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2167#endif
2168
2169/* rumor has it that Win32 has _isnan() */
2170
2171#ifndef Perl_isnan
a3540c92 2172# ifdef HAS_ISNAN
758a5d79
JH		 2173# define Perl_isnan(x) isnan((NV)x)
2174# else
2175# ifdef Perl_fp_class_nan
2176# define Perl_isnan(x) Perl_fp_class_nan(x)
2177# else
2178# ifdef HAS_UNORDERED
2179# define Perl_isnan(x) unordered((x), 0.0)
2180# else
2181# define Perl_isnan(x) ((x)!=(x))
2182# endif
2183# endif
2184# endif
2185#endif
2186
ca6c63e1
JH		 2187#ifdef UNDER_CE
2188int isnan(double d);
2189#endif
2190
758a5d79
JH		 2191#ifndef Perl_isinf
2192# ifdef HAS_ISINF
2193# define Perl_isinf(x) isinf((NV)x)
a3540c92 2194# else
758a5d79
JH		 2195# ifdef Perl_fp_class_inf
2196# define Perl_isinf(x) Perl_fp_class_inf(x)
2197# else
2198# define Perl_isinf(x) ((x)==NV_INF)
2199# endif
2200# endif
2201#endif
2202
2203#ifndef Perl_isfinite
2204# ifdef HAS_FINITE
2205# define Perl_isfinite(x) finite((NV)x)
2206# else
2207# ifdef HAS_ISFINITE
2208# define Perl_isfinite(x) isfinite(x)
2209# else
2210# ifdef Perl_fp_class_finite
2211# define Perl_isfinite(x) Perl_fp_class_finite(x)
2212# else
2213# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2214# endif
2215# endif
a3540c92 2216# endif
65202027
DS		 2217#endif
2218
a36244b7
JH		 2219/* The default is to use Perl's own atof() implementation (in numeric.c).
2220 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2221 * it is however best to use the native implementation of atof.
2222 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2223 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2224 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2225 * you may need to be using a different function than atof! */
a36244b7
JH		 2226
2227#ifndef USE_PERL_ATOF
2228# ifndef _UNICOS
2229# define USE_PERL_ATOF
2230# endif
2231#else
2232# if USE_PERL_ATOF == 0
2233# undef USE_PERL_ATOF
2234# endif
2235#endif
2236
2237#ifdef USE_PERL_ATOF
2238# define Perl_atof(s) Perl_my_atof(s)
2239# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2240#else
2241# define Perl_atof(s) (NV)atof(s)
2242# define Perl_atof2(s, n) ((n) = atof(s))
2243#endif
cf2093f6 2244
d460ef45 2245/* Previously these definitions used hardcoded figures.
760ac839
LW		 2246 * It is hoped these formula are more portable, although
2247 * no data one way or another is presently known to me.
2248 * The "PERL_" names are used because these calculated constants
2249 * do not meet the ANSI requirements for LONG_MAX, etc., which
2250 * need to be constants acceptable to #if - kja
2251 * define PERL_LONG_MAX 2147483647L
2252 * define PERL_LONG_MIN (-LONG_MAX - 1)
2253 * define PERL ULONG_MAX 4294967295L
2254 */
2255
2256#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2257# include <limits.h>
760ac839 2258#endif
205f51d8 2259/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2260 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2261
99abf803 2262/*
2263 * Try to figure out max and min values for the integral types. THE CORRECT
2264 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2265 * following hacks are used if neither limits.h or values.h provide them:
2266 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2267 * for types < int: (unsigned TYPE)~(unsigned)0
2268 * The argument to ~ must be unsigned so that later signed->unsigned
2269 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2270 * and it must not be smaller than int because ~ does integral promotion.
2271 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2272 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2273 * The latter is a hack which happens to work on some machines but
2274 * does *not* catch any random system, or things like integer types
2275 * with NaN if that is possible.
2276 *
2277 * All of the types are explicitly cast to prevent accidental loss of
2278 * numeric range, and in the hope that they will be less likely to confuse
2279 * over-eager optimizers.
2280 *
2281 */
27d4fb96 2282
99abf803 2283#define PERL_UCHAR_MIN ((unsigned char)0)
2284
2285#ifdef UCHAR_MAX
2286# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2287#else
99abf803 2288# ifdef MAXUCHAR
2289# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2290# else
99abf803 2291# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2292# endif
2293#endif
d460ef45 2294
99abf803 2295/*
2296 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2297 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2298 * depending on local options. Until Configure detects this (or at least
2299 * detects whether the "signed" keyword is available) the CHAR ranges
2300 * will not be included. UCHAR functions normally.
2301 * - kja
2302 */
27d4fb96 2303
99abf803 2304#define PERL_USHORT_MIN ((unsigned short)0)
2305
2306#ifdef USHORT_MAX
2307# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2308#else
99abf803 2309# ifdef MAXUSHORT
2310# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2311# else
ef2f54b0
CB		 2312# ifdef USHRT_MAX
2313# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2314# else
2315# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2316# endif
27d4fb96 2317# endif
2318#endif
2319
27d4fb96 2320#ifdef SHORT_MAX
99abf803 2321# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2322#else
2323# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2324# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2325# else
ef2f54b0
CB		 2326# ifdef SHRT_MAX
2327# define PERL_SHORT_MAX ((short)SHRT_MAX)
2328# else
2329# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2330# endif
27d4fb96 2331# endif
2332#endif
2333
2334#ifdef SHORT_MIN
99abf803 2335# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2336#else
2337# ifdef MINSHORT
99abf803 2338# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2339# else
ef2f54b0
CB		 2340# ifdef SHRT_MIN
2341# define PERL_SHORT_MIN ((short)SHRT_MIN)
2342# else
2343# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2344# endif
27d4fb96 2345# endif
2346#endif
2347
99abf803 2348#ifdef UINT_MAX
2349# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2350#else
99abf803 2351# ifdef MAXUINT
2352# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2353# else
99abf803 2354# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2355# endif
2356#endif
2357
99abf803 2358#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2359
2360#ifdef INT_MAX
99abf803 2361# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2362#else
2363# ifdef MAXINT /* Often used in <values.h> */
99abf803 2364# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2365# else
99abf803 2366# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2367# endif
2368#endif
2369
2370#ifdef INT_MIN
99abf803 2371# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2372#else
2373# ifdef MININT
99abf803 2374# define PERL_INT_MIN ((int)MININT)
27d4fb96 2375# else
2376# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2377# endif
2378#endif
2379
99abf803 2380#ifdef ULONG_MAX
2381# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2382#else
99abf803 2383# ifdef MAXULONG
2384# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2385# else
99abf803 2386# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2387# endif
2388#endif
2389
99abf803 2390#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2391
760ac839 2392#ifdef LONG_MAX
99abf803 2393# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2394#else
2395# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2396# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2397# else
99abf803 2398# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2399# endif
2400#endif
2401
2402#ifdef LONG_MIN
99abf803 2403# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2404#else
2405# ifdef MINLONG
99abf803 2406# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2407# else
27d4fb96 2408# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2409# endif
2410#endif
2411
d7d93a81 2412#ifdef UV_IS_QUAD
99abf803 2413
99abf803 2414# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2415# define PERL_UQUAD_MIN ((UV)0)
99abf803 2416# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2417# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2418
79072805
LW		 2419#endif
2420
830247a4 2421struct RExC_state_t;
8e11feef 2422struct _reg_trie_data;
880b20b6 2423
ee0007ab 2424typedef MEM_SIZE STRLEN;
450a55e4 2425
598921a7
NC		 2426#ifdef PERL_MAD
2427typedef struct token TOKEN;
2428typedef struct madprop MADPROP;
2429typedef struct nexttoken NEXTTOKE;
2430#endif
79072805
LW		 2431typedef struct op OP;
2432typedef struct cop COP;
2433typedef struct unop UNOP;
2434typedef struct binop BINOP;
2435typedef struct listop LISTOP;
2436typedef struct logop LOGOP;
79072805
LW		 2437typedef struct pmop PMOP;
2438typedef struct svop SVOP;
7934575e 2439typedef struct padop PADOP;
79072805 2440typedef struct pvop PVOP;
79072805
LW		 2441typedef struct loop LOOP;
2442
7aef8e5b 2443#ifdef PERL_CORE
8be227ab
FC		 2444typedef struct opslab OPSLAB;
2445typedef struct opslot OPSLOT;
2446#endif
2447
52db365a 2448typedef struct block_hooks BHK;
1830b3d9 2449typedef struct custom_op XOP;
52db365a 2450
cd1541b2
NC		 2451typedef struct interpreter PerlInterpreter;
2452
d2b3f365 2453/* SGI's <sys/sema.h> has struct sv */
cc3315ba 2454#if defined(__sgi)
d2b3f365 2455# define STRUCT_SV perl_sv
b8d3c5db
JH		 2456#else
2457# define STRUCT_SV sv
2458#endif
2459typedef struct STRUCT_SV SV;
79072805
LW		 2460typedef struct av AV;
2461typedef struct hv HV;
2462typedef struct cv CV;
d2f13c59 2463typedef struct p5rx REGEXP;
79072805 2464typedef struct gp GP;
0c30d9ec 2465typedef struct gv GV;
8990e307 2466typedef struct io IO;
c09156bb 2467typedef struct context PERL_CONTEXT;
79072805
LW		 2468typedef struct block BLOCK;
2469
2470typedef struct magic MAGIC;
2471typedef struct xpv XPV;
2472typedef struct xpviv XPVIV;
ff68c719 2473typedef struct xpvuv XPVUV;
79072805
LW		 2474typedef struct xpvnv XPVNV;
2475typedef struct xpvmg XPVMG;
2476typedef struct xpvlv XPVLV;
2477typedef struct xpvav XPVAV;
2478typedef struct xpvhv XPVHV;
2479typedef struct xpvgv XPVGV;
2480typedef struct xpvcv XPVCV;
2481typedef struct xpvbm XPVBM;
2482typedef struct xpvfm XPVFM;
8990e307 2483typedef struct xpvio XPVIO;
79072805
LW		 2484typedef struct mgvtbl MGVTBL;
2485typedef union any ANY;
5f7fde29
GS		 2486typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2487typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2488typedef struct clone_params CLONE_PARAMS;
2489
35e035cc 2490/* a pad or name pad is currently just an AV; but that might change,
7261499d
FC		 2491 * so hide the type. */
2492typedef struct padlist PADLIST;
67634234 2493typedef AV PAD;
35e035cc
FC		 2494typedef AV PADNAMELIST;
2495typedef SV PADNAME;
67634234 2496
9f351b45
DM		 2497/* XXX for 5.18, disable the COW by default
2498 * #if !defined(PERL_OLD_COPY_ON_WRITE) && !defined(PERL_NEW_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2499 * # define PERL_NEW_COPY_ON_WRITE
2500 * #endif
2501 */
07d01d6e 2502
db2c6cb3
FC		 2503#if defined(PERL_OLD_COPY_ON_WRITE) || defined(PERL_NEW_COPY_ON_WRITE)
2504# if defined(PERL_OLD_COPY_ON_WRITE) && defined(PERL_NEW_COPY_ON_WRITE)
2505# error PERL_OLD_COPY_ON_WRITE and PERL_NEW_COPY_ON_WRITE are exclusive
2506# else
2507# define PERL_ANY_COW
2508# endif
9f351b45
DM		 2509#else
2510# define PERL_SAWAMPERSAND
db2c6cb3
FC		 2511#endif
2512
378cc40b 2513#include "handy.h"
a0d0e21e 2514
6b8eaf93 2515#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2516# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2517# define USE_64_BIT_RAWIO /* implicit */
2518# endif
4564133c
JH		 2519#endif
2520
6b8eaf93
JH		 2521/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2522 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2523 * however, because operating systems like to do that themself. */
2524#ifndef FSEEKSIZE
2525# ifdef HAS_FSEEKO
2526# define FSEEKSIZE LSEEKSIZE
2527# else
2528# define FSEEKSIZE LONGSIZE
d460ef45 2529# endif
6b8eaf93
JH		 2530#endif
2531
2532#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2533# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2534# define USE_64_BIT_STDIO /* implicit */
2535# endif
2536#endif
4564133c 2537
09458382 2538#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2539# ifdef HAS_OFF64_T
2540# undef Off_t
2541# define Off_t off64_t
2542# undef LSEEKSIZE
2543# define LSEEKSIZE 8
5ff3f7a4 2544# endif
d9b3e12d
JH		 2545/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2546 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2547 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2548# if defined(USE_OPEN64)
2549# define open open64
5ff3f7a4 2550# endif
d9b3e12d
JH		 2551# if defined(USE_LSEEK64)
2552# define lseek lseek64
6b8eaf93
JH		 2553# else
2554# if defined(USE_LLSEEK)
2555# define lseek llseek
2556# endif
d9b3e12d
JH		 2557# endif
2558# if defined(USE_STAT64)
2559# define stat stat64
2560# endif
2561# if defined(USE_FSTAT64)
2562# define fstat fstat64
2563# endif
2564# if defined(USE_LSTAT64)
2565# define lstat lstat64
2566# endif
2567# if defined(USE_FLOCK64)
2568# define flock flock64
2569# endif
2570# if defined(USE_LOCKF64)
2571# define lockf lockf64
2572# endif
2573# if defined(USE_FCNTL64)
2574# define fcntl fcntl64
2575# endif
2576# if defined(USE_TRUNCATE64)
2577# define truncate truncate64
2578# endif
2579# if defined(USE_FTRUNCATE64)
2580# define ftruncate ftruncate64
2581# endif
2582#endif
2583
2584#ifdef USE_64_BIT_STDIO
2585# ifdef HAS_FPOS64_T
2586# undef Fpos_t
2587# define Fpos_t fpos64_t
2588# endif
2589/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2590 * will trigger defines like the ones below. Some 64-bit environments,
2591 * however, do not. */
2592# if defined(USE_FOPEN64)
2593# define fopen fopen64
2594# endif
2595# if defined(USE_FSEEK64)
6b8eaf93 2596# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2597# endif
2598# if defined(USE_FTELL64)
6b8eaf93 2599# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2600# endif
2601# if defined(USE_FSETPOS64)
2602# define fsetpos fsetpos64
2603# endif
2604# if defined(USE_FGETPOS64)
2605# define fgetpos fgetpos64
2606# endif
2607# if defined(USE_TMPFILE64)
2608# define tmpfile tmpfile64
2609# endif
2610# if defined(USE_FREOPEN64)
2611# define freopen freopen64
5ff3f7a4
GS		 2612# endif
2613#endif
2614
e37778c2 2615#if defined(OS2)
2c2d71f5
JH		 2616# include "iperlsys.h"
2617#endif
2618
748a9306 2619#ifdef DOSISH
19848b3f
JH		 2620# if defined(OS2)
2621# include "os2ish.h"
2622# else
2623# include "dosish.h"
2624# endif
2625# define ISHISH "dos"
2626#endif
2627
2628#if defined(VMS)
748a9306 2629# include "vmsish.h"
19848b3f
JH		 2630# define ISHISH "vms"
2631#endif
2632
2633#if defined(PLAN9)
2634# include "./plan9/plan9ish.h"
2635# define ISHISH "plan9"
2636#endif
2637
19848b3f 2638#if defined(__VOS__)
196918b0
PG		 2639# ifdef __GNUC__
2640# include "./vos/vosish.h"
2641# else
2642# include "vos/vosish.h"
2643# endif
19848b3f
JH		 2644# define ISHISH "vos"
2645#endif
2646
9969cdde 2647#ifdef __SYMBIAN32__
27da23d5 2648# include "symbian/symbianish.h"
27da23d5
JH		 2649# define ISHISH "symbian"
2650#endif
2651
19848b3f 2652
df00ff3b
IW		 2653#if defined(__HAIKU__)
2654# include "haiku/haikuish.h"
2655# define ISHISH "haiku"
efca5cc6
JH		 2656#endif
2657
19848b3f
JH		 2658#ifndef ISHISH
2659# include "unixish.h"
2660# define ISHISH "unix"
13b6e58c
JH		 2661#endif
2662
2946a158
JH		 2663/* NSIG logic from Configure --> */
2664/* Strange style to avoid deeply-nested #if/#else/#endif */
2665#ifndef NSIG
2666# ifdef _NSIG
2667# define NSIG (_NSIG)
2668# endif
2669#endif
2670
2671#ifndef NSIG
2672# ifdef SIGMAX
2673# define NSIG (SIGMAX+1)
2674# endif
2675#endif
2676
2677#ifndef NSIG
2678# ifdef SIG_MAX
2679# define NSIG (SIG_MAX+1)
2680# endif
2681#endif
2682
2683#ifndef NSIG
2684# ifdef _SIG_MAX
2685# define NSIG (_SIG_MAX+1)
2686# endif
2687#endif
2688
2689#ifndef NSIG
2690# ifdef MAXSIG
2691# define NSIG (MAXSIG+1)
2692# endif
2693#endif
2694
2695#ifndef NSIG
2696# ifdef MAX_SIG
2697# define NSIG (MAX_SIG+1)
2698# endif
2699#endif
2700
2701#ifndef NSIG
2702# ifdef SIGARRAYSIZE
2703# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2704# endif
2705#endif
2706
2707#ifndef NSIG
2708# ifdef _sys_nsig
2709# define NSIG (_sys_nsig) /* Solaris 2.5 */
2710# endif
2711#endif
2712
2713/* Default to some arbitrary number that's big enough to get most
2714 of the common signals.
2715*/
2716#ifndef NSIG
2717# define NSIG 50
2718#endif
2719/* <-- NSIG logic from Configure */
2720
13b6e58c
JH		 2721#ifndef NO_ENVIRON_ARRAY
2722# define USE_ENVIRON_ARRAY
2723#endif
32f822de 2724
c77b533b
JH		 2725/*
2726 * initialise to avoid floating-point exceptions from overflow, etc
2727 */
2728#ifndef PERL_FPU_INIT
2729# ifdef HAS_FPSETMASK
2730# if HAS_FLOATINGPOINT_H
2731# include <floatingpoint.h>
2732# endif
ad3a8c67
NC		 2733/* Some operating systems have this as a macro, which in turn expands to a comma
2734 expression, and the last sub-expression is something that gets calculated,
2735 and then they have the gall to warn that a value computed is not used. Hence
2736 cast to void. */
2737# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2738# else
2f42fcb0 2739# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2740# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2741# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2742# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2743# else
2744# define PERL_FPU_INIT
2f42fcb0 2745
7014c407 2746# endif
c77b533b
JH		 2747# endif
2748#endif
b35112e7
CS		 2749#ifndef PERL_FPU_PRE_EXEC
2750# define PERL_FPU_PRE_EXEC {
2751# define PERL_FPU_POST_EXEC }
2752#endif
c77b533b 2753
cbec8ebe
DM		 2754#ifndef PERL_SYS_INIT3_BODY
2755# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2756#endif
2757
eb533572 2758/*
4ad9e498 2759=for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
eb533572
DM		 2760Provides system-specific tune up of the C runtime environment necessary to
2761run Perl interpreters. This should be called only once, before creating
2762any Perl interpreters.
2763
4ad9e498 2764=for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
eb533572
DM		 2765Provides system-specific tune up of the C runtime environment necessary to
2766run Perl interpreters. This should be called only once, before creating
2767any Perl interpreters.
2768
2769=for apidoc Am|void|PERL_SYS_TERM|
2770Provides system-specific clean up of the C runtime environment after
2771running Perl interpreters. This should be called only once, after
2772freeing any remaining Perl interpreters.
2773
2774=cut
2775 */
2776
cbec8ebe
DM		 2777#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2778#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2779#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2780
be708cc0
JH		 2781#ifndef PERL_WRITE_MSG_TO_CONSOLE
2782# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2783#endif
2784
0f31cffe
GS		 2785#ifndef MAXPATHLEN
2786# ifdef PATH_MAX
b990c8b2
JH		 2787# ifdef _POSIX_PATH_MAX
2788# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2789/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2790 * included the null byte or not. Later amendments of POSIX,
2791 * XPG4, the Austin Group, and the Single UNIX Specification
2792 * all explicitly include the null byte in the PATH_MAX.
2793 * Ditto for _POSIX_PATH_MAX. */
2794# define MAXPATHLEN PATH_MAX
b990c8b2 2795# else
09448d78 2796# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2797# endif
2798# else
2799# define MAXPATHLEN (PATH_MAX+1)
2800# endif
0f31cffe 2801# else
d552bce8 2802# define MAXPATHLEN 1024 /* Err on the large side. */
0f31cffe
GS		 2803# endif
2804#endif
2805
c80263a8
SH		 2806/* In case Configure was not used (we are using a "canned config"
2807 * such as Win32, or a cross-compilation setup, for example) try going
2808 * by the gcc major and minor versions. One useful URL is
2809 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2810 * but contrary to this information warn_unused_result seems
2811 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2812 * Also, when building extensions with an installed perl, this allows
2813 * the user to upgrade gcc and get the right attributes, rather than
2814 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2815 * Set these up now otherwise we get confused when some of the <*thread.h>
2816 * includes below indirectly pull in <perlio.h> (which needs to know if we
2817 * have HASATTRIBUTE_FORMAT).
2818 */
2819
4d7c7898 2820#ifndef PERL_MICRO
fc2007d4 2821#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2822# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2823# define HASATTRIBUTE_DEPRECATED
2824# endif
c80263a8
SH		 2825# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2826# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2827# if defined __MINGW32__
2828# define PRINTF_FORMAT_NULL_OK
2829# endif
c80263a8
SH		 2830# endif
2831# if __GNUC__ >= 3 /* 3.0 -> */
2832# define HASATTRIBUTE_MALLOC
2833# endif
2834# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2835# define HASATTRIBUTE_NONNULL
2836# endif
2837# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2838# define HASATTRIBUTE_NORETURN
2839# endif
2840# if __GNUC__ >= 3 /* gcc 3.0 -> */
2841# define HASATTRIBUTE_PURE
2842# endif
42bf5550 2843# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2844# define HASATTRIBUTE_UNUSED
2845# endif
d324fe49
AD		 2846# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2847# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2848# endif
c80263a8
SH		 2849# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2850# define HASATTRIBUTE_WARN_UNUSED_RESULT
2851# endif
2852#endif
00f254e2 2853#endif /* #ifndef PERL_MICRO */
c80263a8 2854
3db8f154 2855/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2856 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2857 * this results in many functions being undeclared which bothers C++
2858 * May make sense to have threads after "*ish.h" anyway
2859 */
2860
3db8f154 2861#if defined(USE_ITHREADS)
2986a63f
JH		 2862# ifdef NETWARE
2863# include <nw5thread.h>
2864# else
32f822de
GS		 2865# ifdef FAKE_THREADS
2866# include "fakethr.h"
2867# else
2868# ifdef WIN32
2869# include <win32thread.h>
2870# else
dd96f567
IZ		 2871# ifdef OS2
2872# include "os2thread.h"
2873# else
7f3d1cf1 2874# ifdef I_MACH_CTHREADS
bdd66968 2875# include <mach/cthreads.h>
8f1f23e8 2876# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2877# define MUTEX_INIT_CALLS_MALLOC
2878# endif
7f3d1cf1
BH		 2879typedef cthread_t perl_os_thread;
2880typedef mutex_t perl_mutex;
2881typedef condition_t perl_cond;
2882typedef void * perl_key;
2883# else /* Posix threads */
1f5ae88c
JH		 2884# ifdef I_PTHREAD
2885# include <pthread.h>
2886# endif
7f3d1cf1
BH		 2887typedef pthread_t perl_os_thread;
2888typedef pthread_mutex_t perl_mutex;
2889typedef pthread_cond_t perl_cond;
2890typedef pthread_key_t perl_key;
2891# endif /* I_MACH_CTHREADS */
dd96f567 2892# endif /* OS2 */
32f822de
GS		 2893# endif /* WIN32 */
2894# endif /* FAKE_THREADS */
2986a63f 2895#endif /* NETWARE */
3db8f154 2896#endif /* USE_ITHREADS */
c5be433b 2897
66a93824 2898#if defined(WIN32)
1feb2720 2899# include "win32.h"
c5be433b
GS		 2900#endif
2901
2986a63f
JH		 2902#ifdef NETWARE
2903# include "netware.h"
2904#endif
2905
e5218da5 2906#define STATUS_UNIX PL_statusvalue
68dc0745 2907#ifdef VMS
6b88bc9c 2908# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2909/*
2910 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2911 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2912 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2913 * be updated also.
2914 */
2915# include <stsdef.h>
2916# include <ssdef.h>
2917/* Presume this because if VMS changes it, it will require a new
2918 * set of APIs for waiting on children for binary compatibility.
2919 */
2920# define child_offset_bits (8)
2921# ifndef C_FAC_POSIX
2922# define C_FAC_POSIX 0x35A000
2923# endif
2924
2925/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2926 * platform from the existing UNIX or Native status values.
2927 */
2928
37038d91 2929# define STATUS_EXIT \
7a7fd8e0
JM		 2930 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2931 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2932
7a7fd8e0 2933
fb38d079
JM		 2934/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2935 * exit code and shifts the UNIX value over the correct number of bits to
2936 * be a child status. Usually the number of bits is 8, but that could be
2937 * platform dependent. The NATIVE status code is presumed to have either
2938 * from a child process.
7a7fd8e0
JM		 2939 */
2940
fb38d079
JM		 2941/* This is complicated. The child processes return a true native VMS
2942 status which must be saved. But there is an assumption in Perl that
2943 the UNIX child status has some relationship to errno values, so
00f254e2 2944 Perl tries to translate it to text in some of the tests.
fb38d079
JM		 2945 In order to get the string translation correct, for the error, errno
2946 must be EVMSERR, but that generates a different text message
2947 than what the test programs are expecting. So an errno value must
2948 be derived from the native status value when an error occurs.
2949 That will hide the true native status message. With this version of
2950 perl, the true native child status can always be retrieved so that
2951 is not a problem. But in this case, Pl_statusvalue and errno may
2952 have different values in them.
2953 */
7a7fd8e0 2954
fb38d079 2955# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2956 STMT_START { \
2fbb330f
JM		 2957 I32 evalue = (I32)n; \
2958 if (evalue == EVMSERR) { \
2959 PL_statusvalue_vms = vaxc$errno; \
2960 PL_statusvalue = evalue; \
7a7fd8e0 2961 } else { \
2fbb330f 2962 PL_statusvalue_vms = evalue; \
fb38d079 2963 if (evalue == -1) { \
3280af22 2964 PL_statusvalue = -1; \
7a7fd8e0
JM		 2965 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2966 } else \
fb38d079 2967 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2968 set_vaxc_errno(evalue); \
fb38d079
JM		 2969 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2970 set_errno(EVMSERR); \
2971 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2972 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2973 } \
68dc0745 2974 } STMT_END
7a7fd8e0 2975
68dc0745 2976# ifdef VMSISH_STATUS
e5218da5 2977# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2978# else
e5218da5 2979# define STATUS_CURRENT STATUS_UNIX
68dc0745 2980# endif
7a7fd8e0
JM		 2981
2982 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2983 * the NATIVE status to an equivalent value. Can not be used to translate
2984 * exit code values as exit code values are not guaranteed to have any
2985 * relationship at all to errno values.
2986 * This is used when Perl is forcing errno to have a specific value.
2987 */
e5218da5 2988# define STATUS_UNIX_SET(n) \
68dc0745 2989 STMT_START { \
7a7fd8e0 2990 I32 evalue = (I32)n; \
0968cdad 2991 PL_statusvalue = evalue; \
3280af22 2992 if (PL_statusvalue != -1) { \
0968cdad
JM		 2993 if (PL_statusvalue != EVMSERR) { \
2994 PL_statusvalue &= 0xFFFF; \
2995 if (MY_POSIX_EXIT) \
2996 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2997 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2998 } \
2999 else { \
3000 PL_statusvalue_vms = vaxc$errno; \
3001 } \
68dc0745 3002 } \
0968cdad
JM		 3003 else PL_statusvalue_vms = SS$_ABORT; \
3004 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 3005 } STMT_END
3006
3007 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 3008 * the NATIVE error status based on it.
3009 *
3010 * When in the default mode to comply with the Perl VMS documentation,
3011 * 0 is a success and any other code sets the NATIVE status to a failure
3012 * code of SS$_ABORT.
fb38d079
JM		 3013 *
3014 * In the new POSIX EXIT mode, native status will be set so that the
3015 * actual exit code will can be retrieved by the calling program or
3016 * shell.
3017 *
3018 * If the exit code is not clearly a UNIX parent or child exit status,
3019 * it will be passed through as a VMS status.
7a7fd8e0
JM		 3020 */
3021
fb38d079 3022# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 3023 STMT_START { \
3024 I32 evalue = (I32)n; \
3025 PL_statusvalue = evalue; \
e08e1e1d
JM		 3026 if (MY_POSIX_EXIT) { \
3027 if (evalue <= 0xFF00) { \
3028 if (evalue > 0xFF) \
3029 evalue = (evalue >> child_offset_bits) & 0xFF; \
3030 PL_statusvalue_vms = \
3031 (C_FAC_POSIX | (evalue << 3 ) | \
3032 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
3033 } else /* forgive them Perl, for they have sinned */ \
3034 PL_statusvalue_vms = evalue; \
3035 } else { \
3036 if (evalue == 0) \
3037 PL_statusvalue_vms = SS$_NORMAL; \
3038 else if (evalue <= 0xFF00) \
3039 PL_statusvalue_vms = SS$_ABORT; \
3040 else { /* forgive them Perl, for they have sinned */ \
3041 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3042 else PL_statusvalue_vms = vaxc$errno; \
3043 /* And obviously used a VMS status value instead of UNIX */ \
3044 PL_statusvalue = EVMSERR; \
3045 } \
3046 set_vaxc_errno(PL_statusvalue_vms); \
3047 } \
68dc0745 3048 } STMT_END
fb38d079 3049
e08e1e1d 3050
6ac6a52b
JM		 3051 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3052 * and sets the NATIVE error status based on it. This special case
3053 * is needed to maintain compatibility with past VMS behavior.
3054 *
3055 * In the default mode on VMS, this number is passed through as
3056 * both the NATIVE and UNIX status. Which makes it different
3057 * that the STATUS_UNIX_EXIT_SET.
3058 *
3059 * In the new POSIX EXIT mode, native status will be set so that the
3060 * actual exit code will can be retrieved by the calling program or
3061 * shell.
3062 *
1a3aec58
JM		 3063 * A POSIX exit code is from 0 to 255. If the exit code is higher
3064 * than this, it needs to be assumed that it is a VMS exit code and
3065 * passed through.
6ac6a52b
JM		 3066 */
3067
3068# define STATUS_EXIT_SET(n) \
3069 STMT_START { \
3070 I32 evalue = (I32)n; \
3071 PL_statusvalue = evalue; \
3072 if (MY_POSIX_EXIT) \
1a3aec58
JM		 3073 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3074 PL_statusvalue_vms = \
3075 (C_FAC_POSIX | (evalue << 3 ) | \
3076 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 3077 else \
3078 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3079 set_vaxc_errno(PL_statusvalue_vms); \
3080 } STMT_END
3081
fb38d079
JM		 3082
3083 /* This macro forces a success status */
7a7fd8e0
JM		 3084# define STATUS_ALL_SUCCESS \
3085 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 3086
3087 /* This macro forces a failure status */
7a7fd8e0
JM		 3088# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3089 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3090 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3091
68dc0745 3092#else
e5218da5 3093# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3094# if defined(WCOREDUMP)
37038d91 3095# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3096 STMT_START { \
3097 PL_statusvalue_posix = (n); \
3098 if (PL_statusvalue_posix == -1) \
3099 PL_statusvalue = -1; \
3100 else { \
3101 PL_statusvalue = \
3102 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3103 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3104 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3105 } \
3106 } STMT_END
3107# elif defined(WIFEXITED)
37038d91 3108# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3109 STMT_START { \
3110 PL_statusvalue_posix = (n); \
3111 if (PL_statusvalue_posix == -1) \
3112 PL_statusvalue = -1; \
3113 else { \
3114 PL_statusvalue = \
3115 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3116 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3117 } \
3118 } STMT_END
3119# else
37038d91 3120# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3121 STMT_START { \
3122 PL_statusvalue_posix = (n); \
3123 if (PL_statusvalue_posix == -1) \
3124 PL_statusvalue = -1; \
3125 else { \
3126 PL_statusvalue = \
3127 PL_statusvalue_posix & 0xFFFF; \
3128 } \
3129 } STMT_END
3130# endif
3131# define STATUS_UNIX_SET(n) \
68dc0745 3132 STMT_START { \
3280af22
NIS		 3133 PL_statusvalue = (n); \
3134 if (PL_statusvalue != -1) \
3135 PL_statusvalue &= 0xFFFF; \
68dc0745 3136 } STMT_END
7a7fd8e0 3137# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3138# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3139# define STATUS_CURRENT STATUS_UNIX
37038d91 3140# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3141# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3142# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3143#endif
3144
cc3604b1
GS		 3145/* flags in PL_exit_flags for nature of exit() */
3146#define PERL_EXIT_EXPECTED 0x01
31d77e54 3147#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3148
b79b76e0 3149#ifndef PERL_CORE
a7cb1f99 3150/* format to use for version numbers in file/directory names */
273cf8d1 3151/* XXX move to Configure? */
b79b76e0
NC		 3152/* This was only ever used for the current version, and that can be done at
3153 compile time, as PERL_FS_VERSION, so should we just delete it? */
3154# ifndef PERL_FS_VER_FMT
3155# define PERL_FS_VER_FMT "%d.%d.%d"
3156# endif
3157#endif
3158
3159#ifndef PERL_FS_VERSION
3160# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS		 3161#endif
3162
45bc9206 3163/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3164 * performance issue, so we allow people to disable it. Also, if
3165 * we are using stdio, there are broken implementations of fflush(NULL)
3166 * out there, Solaris being the most prominent.
45bc9206
GS		 3167 */
3168#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3169# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3170# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3171# else
3172# ifdef FFLUSH_ALL
3173# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3174# else
c5be433b 3175# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3176# endif
66fe083f 3177# endif
45bc9206
GS		 3178#endif
3179
7766f137
GS		 3180#ifndef PERL_WAIT_FOR_CHILDREN
3181# define PERL_WAIT_FOR_CHILDREN NOOP
3182#endif
3183
ba869deb 3184/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3185#ifndef PERL_SET_INTERP
3186# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3187#endif
3188
3189#ifndef PERL_GET_INTERP
3190# define PERL_GET_INTERP (PL_curinterp)
3191#endif
3192
54aff467 3193#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3194# ifdef MULTIPLICITY
ba869deb 3195# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3196# endif
ba869deb
GS		 3197# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3198#endif
3199
00f254e2 3200/*
8896765a 3201 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3202 All that is required is that the perl source does not
00f254e2
KW		 3203 use "%-p" or "%-<number>p" or "%<number>p" formats.
3204 These formats will still work in perl code.
486ec47a 3205 See comments in sv.c for further details.
8896765a 3206
8896765a 3207 Robin Barker 2005-07-14
f46d31f2 3208
00f254e2 3209 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3210*/
8896765a
RB		 3211
3212#ifndef SVf_
63ce7bf0 3213# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3214#endif
3215
8896765a 3216#ifndef SVf
104abab4 3217# define SVf "-p"
d2560b70
RB		 3218#endif
3219
014ead4b 3220#ifndef SVf32
8896765a 3221# define SVf32 SVf_(32)
014ead4b
RB		 3222#endif
3223
3224#ifndef SVf256
8896765a
RB		 3225# define SVf256 SVf_(256)
3226#endif
3227
be2597df
MHM		 3228#define SVfARG(p) ((void*)(p))
3229
20023040
FC		 3230#ifndef HEKf
3231# define HEKf "2p"
3232#endif
3233
b8fa5213
FC		 3234/* Not ideal, but we cannot easily include a number in an already-numeric
3235 * format sequence. */
3236#ifndef HEKf256
3237# define HEKf256 "3p"
3238#endif
3239
20023040
FC		 3240#define HEKfARG(p) ((void*)(p))
3241
f46d31f2 3242#ifdef PERL_CORE
486ec47a 3243/* not used; but needed for backward compatibility with XS code? - RMB */
f46d31f2
RB		 3244# undef VDf
3245#else
3246# ifndef VDf
8896765a
RB		 3247# define VDf "vd"
3248# endif
014ead4b 3249#endif
170cd9e9
NC		 3250
3251#ifdef PERL_CORE
486ec47a 3252/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB		 3253# undef UVf
3254#else
170cd9e9
NC		 3255# ifndef UVf
3256# define UVf UVuf
3257# endif
d2560b70
RB		 3258#endif
3259
fcdf39cf
RGS		 3260#ifdef HASATTRIBUTE_DEPRECATED
3261# define __attribute__deprecated__ __attribute__((deprecated))
3262#endif
0dbb1585
AL		 3263#ifdef HASATTRIBUTE_FORMAT
3264# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3265#endif
3266#ifdef HASATTRIBUTE_MALLOC
77785eea 3267# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3268#endif
0dbb1585 3269#ifdef HASATTRIBUTE_NONNULL
abb2c242 3270# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3271#endif
0dbb1585 3272#ifdef HASATTRIBUTE_NORETURN
abb2c242 3273# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3274#endif
0dbb1585 3275#ifdef HASATTRIBUTE_PURE
abb2c242 3276# define __attribute__pure__ __attribute__((pure))
f22be1b8 3277#endif
0dbb1585
AL		 3278#ifdef HASATTRIBUTE_UNUSED
3279# define __attribute__unused__ __attribute__((unused))
3280#endif
3281#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3282# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3283#endif
3284
0dbb1585 3285/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3286#ifndef __attribute__deprecated__
3287# define __attribute__deprecated__
3288#endif
0dbb1585
AL		 3289#ifndef __attribute__format__
3290# define __attribute__format__(x,y,z)
3291#endif
f22be1b8 3292#ifndef __attribute__malloc__
abb2c242 3293# define __attribute__malloc__
f22be1b8
JH		 3294#endif
3295#ifndef __attribute__nonnull__
abb2c242 3296# define __attribute__nonnull__(a)
f22be1b8
JH		 3297#endif
3298#ifndef __attribute__noreturn__
abb2c242 3299# define __attribute__noreturn__
f22be1b8
JH		 3300#endif
3301#ifndef __attribute__pure__
abb2c242 3302# define __attribute__pure__
f22be1b8 3303#endif
0dbb1585
AL		 3304#ifndef __attribute__unused__
3305# define __attribute__unused__
3306#endif
f22be1b8 3307#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3308# define __attribute__warn_unused_result__
3309#endif
3310
0dbb1585
AL		 3311/* For functions that are marked as __attribute__noreturn__, it's not
3312 appropriate to call return. In either case, include the lint directive.
3313 */
3314#ifdef HASATTRIBUTE_NORETURN
118e2215 3315# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */
0dbb1585 3316#else
118e2215 3317# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */ return 0
abb2c242
JH		 3318#endif
3319
cdfeb707
RB		 3320/* Some OS warn on NULL format to printf */
3321#ifdef PRINTF_FORMAT_NULL_OK
3322# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3323#else
00f254e2 3324# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB		 3325#endif
3326
635aebb7 3327#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3328# define EXPECT(expr,val) __builtin_expect(expr,val)
3329#else
3330# define EXPECT(expr,val) (expr)
3331#endif
6d5abc62
NC		 3332#define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3333#define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
635aebb7
AL		 3334#ifdef HAS_BUILTIN_CHOOSE_EXPR
3335/* placeholder */
3336#endif
b37c2d43 3337
3fc1aec6 3338/* Some unistd.h's give a prototype for pause() even though
3339 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3340 below to be rejected by the compiler. Sigh.
3fc1aec6 3341*/
3342#ifdef HAS_PAUSE
3343#define Pause pause
3344#else
3345#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3346#endif
3347
3348#ifndef IOCPARM_LEN
3349# ifdef IOCPARM_MASK
61f1c44b 3350 /* on BSDish systems we're safe */
748a9306
LW		 3351# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3352# else
61f1c44b 3353# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3354 /* on Linux systems we're safe; except when we're not [perl #38223] */
3355# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3356# else
748a9306 3357 /* otherwise guess at what's safe */
61f1c44b
JVD		 3358# define IOCPARM_LEN(x) 256
3359# endif
748a9306 3360# endif
a0d0e21e
LW		 3361#endif
3362
1761cee5 3363#if defined(__CYGWIN__)
521e0776
GS		 3364/* USEMYBINMODE
3365 * This symbol, if defined, indicates that the program should
16fe6d59 3366 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3367 * that a file is in "binary" mode -- that is, that no translation
3368 * of bytes occurs on read or write operations.
3369 */
36894f0b 3370# define USEMYBINMODE /**/
77a40698 3371# include <io.h> /* for setmode() prototype */
16fe6d59 3372# define my_binmode(fp, iotype, mode) \
77a40698 3373 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3374#endif
3375
88d10794
JH		 3376#ifdef __CYGWIN__
3377void init_os_extras(void);
3378#endif
3379
cea2e8a9
GS		 3380#ifdef UNION_ANY_DEFINITION
3381UNION_ANY_DEFINITION;
3382#else
3383union any {
3384 void* any_ptr;
3385 I32 any_i32;
3386 IV any_iv;
c6bf6a65 3387 UV any_uv;
cea2e8a9 3388 long any_long;
9febdf04 3389 bool any_bool;
c76ac1ee 3390 void (*any_dptr) (void*);
acfe0abc 3391 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3392};
3393#endif
3394
acfe0abc 3395typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3396
3397#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3398#define FILTER_DATA(idx) \
3399 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3400#define FILTER_ISREADER(idx) \
3401 (PL_parser && PL_parser->rsfp_filters \
3402 && idx >= AvFILLp(PL_parser->rsfp_filters))
3403#define PERL_FILTER_EXISTS(i) \
3404 (PL_parser && PL_parser->rsfp_filters \
3405 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3406
c5078cac
JH		 3407#if defined(_AIX) && !defined(_AIX43)
3408#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3409/* We cannot include <crypt.h> to get the struct crypt_data
3410 * because of setkey prototype problems when threading */
3411typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3412 /* From OSF, Not needed in AIX
3413 char C[28], D[28];
3414 */
3415 char E[48];
3416 char KS[16][48];
3417 char block[66];
3418 char iobuf[16];
3419} CRYPTD;
3420#endif /* threading */
3421#endif /* AIX */
3422
e37778c2 3423#if !defined(OS2)
2c2d71f5
JH		 3424# include "iperlsys.h"
3425#endif
504f80c1 3426
9c12f1e5 3427#ifdef __LIBCATAMOUNT__
00f254e2 3428#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS		 3429#undef HAS_GROUP
3430#define FAKE_BIT_BUCKET
3431#endif
3432
d10dc2ae
JH		 3433/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3434 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3435 * defined by Configure, despite their names being similar to the
3436 * other defines like USE_ITHREADS. Configure in fact knows nothing
3437 * about the randomised hashes. Therefore to enable/disable the hash
3438 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3439#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3440# define USE_HASH_SEED
504f80c1
JH		 3441#endif
3442
598921a7
NC		 3443/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3444 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3445 * it's not really needed.
3446 */
3447#if defined(WIN32)
3448# define YYTOKENTYPE
3449#endif
3450#include "perly.h"
3451
3452#ifdef PERL_MAD
3453struct nexttoken {
3454 YYSTYPE next_val; /* value of next token, if any */
3455 I32 next_type; /* type of next token */
3456 MADPROP *next_mad; /* everything else about that token */
3457};
3458#endif
3459
654eccd5
JD		 3460/* macros to define bit-fields in structs. */
3461#ifndef PERL_BITFIELD8
3462# define PERL_BITFIELD8 unsigned
3463#endif
3464#ifndef PERL_BITFIELD16
3465# define PERL_BITFIELD16 unsigned
3466#endif
3467#ifndef PERL_BITFIELD32
3468# define PERL_BITFIELD32 unsigned
3469#endif
3470
79072805 3471#include "sv.h"
288b8c02 3472#include "regexp.h"
378cc40b 3473#include "util.h"
8d063cd8 3474#include "form.h"
79072805 3475#include "gv.h"
dd2155a4 3476#include "pad.h"
79072805 3477#include "cv.h"
abdd5c84 3478#include "opnames.h"
79072805 3479#include "op.h"
b3ca2e83 3480#include "hv.h"
79072805
LW		 3481#include "cop.h"
3482#include "av.h"
79072805
LW		 3483#include "mg.h"
3484#include "scope.h"
4438c4b7 3485#include "warnings.h"
a0ed51b3 3486#include "utf8.h"
8d063cd8 3487
0d7d409d
DM		 3488/* these would be in doio.h if there was such a file */
3489#define my_stat() my_stat_flags(SV_GMAGIC)
3490#define my_lstat() my_lstat_flags(SV_GMAGIC)
3491
20f4945e 3492/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM		 3493#undef _XPV_HEAD
3494#undef _XPVMG_HEAD
3495#undef _XPVCV_COMMON
7fae4e64
GS		 3496
3497typedef struct _sublex_info SUBLEXINFO;
3498struct _sublex_info {
651b5b28
NC		 3499 U8 super_state; /* lexer state to save */
3500 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3501 OP *sub_op; /* "lex_op" to use */
7cc34111 3502 SV *repl; /* replacement of s/// or y/// */
7fae4e64
GS		 3503};
3504
199e78b7
DM		 3505#include "parser.h"
3506
455ece5e 3507typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3508
2c2d71f5 3509struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3510struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3511
5f7fde29
GS		 3512struct ptr_tbl_ent {
3513 struct ptr_tbl_ent* next;
53c1dcc0 3514 const void* oldval;
5f7fde29 3515 void* newval;
d18c6117
GS		 3516};
3517
5f7fde29
GS		 3518struct ptr_tbl {
3519 struct ptr_tbl_ent** tbl_ary;
3520 UV tbl_max;
3521 UV tbl_items;
db93c0c4
NC		 3522 struct ptr_tbl_arena *tbl_arena;
3523 struct ptr_tbl_ent *tbl_arena_next;
3524 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS		 3525};
3526
fe14fcc3
LW		 3527#if defined(htonl) && !defined(HAS_HTONL)
3528#define HAS_HTONL
ae986130 3529#endif
fe14fcc3
LW		 3530#if defined(htons) && !defined(HAS_HTONS)
3531#define HAS_HTONS
ae986130 3532#endif
fe14fcc3
LW		 3533#if defined(ntohl) && !defined(HAS_NTOHL)
3534#define HAS_NTOHL
ae986130 3535#endif
fe14fcc3
LW		 3536#if defined(ntohs) && !defined(HAS_NTOHS)
3537#define HAS_NTOHS
ae986130 3538#endif
fe14fcc3 3539#ifndef HAS_HTONL
fe14fcc3
LW		 3540#define HAS_HTONS
3541#define HAS_HTONL
3542#define HAS_NTOHS
3543#define HAS_NTOHL
8e2d7c44
NC		 3544# if (BYTEORDER & 0xffff) == 0x4321
3545/* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3546 re-order their values. However, to behave identically to the alternative
3547 implementations, they should truncate to the correct size. */
3548# define ntohl(x) ((x)&0xFFFFFFFF)
3549# define htonl(x) ntohl(x)
3550# define ntohs(x) ((x)&0xFFFF)
3551# define htons(x) ntohs(x)
3552# else
a687059c
LW		 3553#define MYSWAP
3554#define htons my_swap
3555#define htonl my_htonl
3556#define ntohs my_swap
3557#define ntohl my_ntohl
3558#endif
a687059c
LW		 3559#endif
3560
988174c1
LW		 3561/*
3562 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3563 * -DWS
3564 */
5ae72479 3565#if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
260c6fee
NC		 3566/* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
3567 re-order their values. However, to behave identically to the alternative
3568 implementations, they should truncate to the correct size. */
3569# define vtohl(x) ((x)&0xFFFFFFFF)
3570# define vtohs(x) ((x)&0xFFFF)
3571# define htovl(x) vtohl(x)
3572# define htovs(x) vtohs(x)
5ae72479 3573#else
c67712b2 3574# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3575# define vtohl(x) ((((x)&0xFF)<<24) \
3576 +(((x)>>24)&0xFF) \
3577 +(((x)&0x0000FF00)<<8) \
3578 +(((x)&0x00FF0000)>>8) )
3579# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3580# define htovl(x) vtohl(x)
3581# define htovs(x) vtohs(x)
3582# endif
3583 /* otherwise default to functions in util.c */
2a8c3029 3584#ifndef htovs
c623ac67
GS		 3585short htovs(short n);
3586short vtohs(short n);
3587long htovl(long n);
3588long vtohl(long n);
988174c1 3589#endif
2a8c3029 3590#endif
988174c1 3591
3bb7c1b4
JH		 3592/* *MAX Plus 1. A floating point value.
3593 Hopefully expressed in a way that dodgy floating point can't mess up.
3594 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3595 is added to it
3596 May find that some broken compiler will want the value cast to I32.
3597 [after the shift, as signed >> may not be as secure as unsigned >>]
3598*/
3599#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3600#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3601/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3602 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3603 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3604*/
3605#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3606
3bb7c1b4
JH		 3607#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3608#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3609#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3610
3611/* This may look like unnecessary jumping through hoops, but converting
3612 out of range floating point values to integers *is* undefined behaviour,
3613 and it is starting to bite.
3614*/
3615#ifndef CAST_INLINE
65202027 3616#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3617#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3618#define I_V(what) (cast_iv((NV)(what)))
3619#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3620#else
3621#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3622 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3623 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3624#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3625 : ((n) < U32_MAX_P1 ? (U32) (n) \
3626 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3627#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3628 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3629 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3630#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3631 : ((n) < UV_MAX_P1 ? (UV) (n) \
3632 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3633#endif
3634
3635#define U_S(what) ((U16)U_32(what))
3636#define U_I(what) ((unsigned int)U_32(what))
3637#define U_L(what) U_32(what)
ed6116ce 3638
ed140128
AD		 3639#ifdef HAS_SIGNBIT
3640# define Perl_signbit signbit
3641#endif
3642
2d4389e4
JH		 3643/* These do not care about the fractional part, only about the range. */
3644#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3645#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3646
25da4f38
IZ		 3647/* Used with UV/IV arguments: */
3648 /* XXXX: need to speed it up */
3649#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3650#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3651
352d5a3a
LW		 3652#ifndef MAXSYSFD
3653# define MAXSYSFD 2
3654#endif
ee0007ab 3655
79072805 3656#ifndef __cplusplus
e37d7e38 3657#if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3658Uid_t getuid (void);
3659Uid_t geteuid (void);
3660Gid_t getgid (void);
3661Gid_t getegid (void);
79072805 3662#endif
e1caacb4 3663#endif
8d063cd8 3664
0c30d9ec 3665#ifndef Perl_debug_log
bf49b057
GS		 3666# define Perl_debug_log PerlIO_stderr()
3667#endif
3668
3669#ifndef Perl_error_log
3670# define Perl_error_log (PL_stderrgv \
6b78add2 3671 && isGV(PL_stderrgv) \
01bb7c6d 3672 && GvIOp(PL_stderrgv) \
42de951c 3673 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3674 ? IoOFP(GvIOp(PL_stderrgv)) \
3675 : PerlIO_stderr())
0c30d9ec 3676#endif
3967c732 3677
aea4f609
DM		 3678
3679#define DEBUG_p_FLAG 0x00000001 /* 1 */
3680#define DEBUG_s_FLAG 0x00000002 /* 2 */
3681#define DEBUG_l_FLAG 0x00000004 /* 4 */
3682#define DEBUG_t_FLAG 0x00000008 /* 8 */
3683#define DEBUG_o_FLAG 0x00000010 /* 16 */
3684#define DEBUG_c_FLAG 0x00000020 /* 32 */
3685#define DEBUG_P_FLAG 0x00000040 /* 64 */
3686#define DEBUG_m_FLAG 0x00000080 /* 128 */
3687#define DEBUG_f_FLAG 0x00000100 /* 256 */
3688#define DEBUG_r_FLAG 0x00000200 /* 512 */
3689#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3690#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3691/* U is reserved for Unofficial, exploratory hacking */
3692#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3693#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3694#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3695#define DEBUG_D_FLAG 0x00008000 /* 32768 */
56967202 3696#define DEBUG_S_FLAG 0x00010000 /* 65536 */
aea4f609 3697#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3698#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3699#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3700#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3701#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3702#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3703#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 3704#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3705#define DEBUG_B_FLAG 0x02000000 /*33554432*/
56967202 3706#define DEBUG_MASK 0x03FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3707
3708#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3709#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3710 that something was done? */
aea4f609 3711
bd16a5f0
IZ		 3712# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3713# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3714# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3715# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3716# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3717# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3718# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3719# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3720# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3721# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3722# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3723# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3724# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3725# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3726# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3727# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
56967202 3728# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
bd16a5f0
IZ		 3729# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3730# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3731# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3732# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3733# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3734# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3735# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3736# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3737# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3738# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3739# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3740# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3741
3967c732 3742#ifdef DEBUGGING
aea4f609 3743
bd16a5f0
IZ		 3744# define DEBUG_p_TEST DEBUG_p_TEST_
3745# define DEBUG_s_TEST DEBUG_s_TEST_
3746# define DEBUG_l_TEST DEBUG_l_TEST_
3747# define DEBUG_t_TEST DEBUG_t_TEST_
3748# define DEBUG_o_TEST DEBUG_o_TEST_
3749# define DEBUG_c_TEST DEBUG_c_TEST_
3750# define DEBUG_P_TEST DEBUG_P_TEST_
3751# define DEBUG_m_TEST DEBUG_m_TEST_
3752# define DEBUG_f_TEST DEBUG_f_TEST_
3753# define DEBUG_r_TEST DEBUG_r_TEST_
3754# define DEBUG_x_TEST DEBUG_x_TEST_
3755# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3756# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3757# define DEBUG_H_TEST DEBUG_H_TEST_
3758# define DEBUG_X_TEST DEBUG_X_TEST_
3759# define DEBUG_D_TEST DEBUG_D_TEST_
56967202 3760# define DEBUG_S_TEST DEBUG_S_TEST_
bd16a5f0
IZ		 3761# define DEBUG_T_TEST DEBUG_T_TEST_
3762# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3763# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3764# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3765# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3766# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3767# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3768# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3769# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC		 3770# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3771# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3772# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3773
488b0c7a
JH		 3774# define PERL_DEB(a) a
3775# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3776# define DEBUG_p(a) if (DEBUG_p_TEST) a
3777# define DEBUG_s(a) if (DEBUG_s_TEST) a
3778# define DEBUG_l(a) if (DEBUG_l_TEST) a
3779# define DEBUG_t(a) if (DEBUG_t_TEST) a
3780# define DEBUG_o(a) if (DEBUG_o_TEST) a
3781# define DEBUG_c(a) if (DEBUG_c_TEST) a
3782# define DEBUG_P(a) if (DEBUG_P_TEST) a
3783
969058bb
VK		 3784 /* Temporarily turn off memory debugging in case the a
3785 * does memory allocation, either directly or indirectly. */
acfe0abc 3786# define DEBUG_m(a) \
0b250b9e 3787 STMT_START { \
aea4f609 3788 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \