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PATCH -- POD error in Symbol.pm
[perl5.git] / perl.h
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a0d0e21e 1/* perl.h
a687059c 2 *
1129b882
NC		 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008 by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
b0f06652
VK		 37# ifndef USE_CROSS_COMPILE
38# include "config.h"
39# else
40# include "xconfig.h"
41# endif
12ae5dfc 42#endif
0cb96387 43
ec2019ad
NC		 44/* This logic needs to come after reading config.h, but before including
45 proto.h */
46#ifdef IAMSUID
47# ifndef DOSUID
48# define DOSUID
49# endif
50#endif
51
52#ifdef SETUID_SCRIPTS_ARE_SECURE_NOW
53# ifdef DOSUID
54# undef DOSUID
55# endif
56# ifdef IAMSUID
57# undef IAMSUID
58# define SETUID_SCRIPTS_ARE_SECURE_NOW_AND_IAMSUID
59# endif
60#endif
61
2c2d71f5
JH		 62/* See L<perlguts/"The Perl API"> for detailed notes on
63 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
64
ac6bedea
JH		 65/* Note that from here --> to <-- the same logic is
66 * repeated in makedef.pl, so be certain to update
67 * both places when editing. */
68
894ccb8c
JH		 69#ifdef PERL_IMPLICIT_SYS
70/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
71 so use slab allocator to avoid lots of MUTEX overhead
72 */
73# ifndef PL_OP_SLAB_ALLOC
74# define PL_OP_SLAB_ALLOC
75# endif
ba979b31
NIS		 76#endif
77
6f4183fe 78#ifdef USE_ITHREADS
acfe0abc 79# if !defined(MULTIPLICITY)
6f4183fe
GS		 80# define MULTIPLICITY
81# endif
82#endif
83
27da23d5
JH		 84#ifdef PERL_GLOBAL_STRUCT_PRIVATE
85# ifndef PERL_GLOBAL_STRUCT
86# define PERL_GLOBAL_STRUCT
87# endif
88#endif
97aff369 89
27da23d5
JH		 90#ifdef PERL_GLOBAL_STRUCT
91# ifndef MULTIPLICITY
92# define MULTIPLICITY
93# endif
94#endif
95
97aff369
JH		 96#ifdef MULTIPLICITY
97# ifndef PERL_IMPLICIT_CONTEXT
98# define PERL_IMPLICIT_CONTEXT
99# endif
100#endif
101
026fd48b
GH		 102/* undef WIN32 when building on Cygwin (for libwin32) - gph */
103#ifdef __CYGWIN__
104# undef WIN32
105# undef _WIN32
106#endif
107
27da23d5
JH		 108#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
109# ifndef SYMBIAN
110# define SYMBIAN
111# endif
112#endif
113
a0fd4948 114#ifdef __SYMBIAN32__
27da23d5
JH		 115# include "symbian/symbian_proto.h"
116#endif
117
118/* Any stack-challenged places. The limit varies (and often
119 * is configurable), but using more than a kilobyte of stack
120 * is usually dubious in these systems. */
a0fd4948 121#if defined(EPOC) || defined(__SYMBIAN32__)
27da23d5
JH		 122/* EPOC/Symbian: need to work around the SDK features. *
123 * On WINS: MS VC5 generates calls to _chkstk, *
124 * if a "large" stack frame is allocated. *
125 * gcc on MARM does not generate calls like these. */
126# define USE_HEAP_INSTEAD_OF_STACK
127#endif
128
129#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 130/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 131#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 132# define USE_REENTRANT_API
133#endif
134
ac6bedea
JH		 135/* <--- here ends the logic shared by perl.h and makedef.pl */
136
af28e889 137/*
6239f2da
JH		 138 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
139 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 140 * __bsdi__ for BSD/OS
141 */
6239f2da 142#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 143# ifndef BSDish
144# define BSDish
145# endif
146#endif
147
27da23d5
JH		 148#ifdef PERL_GLOBAL_STRUCT
149# ifndef PERL_GET_VARS
150# ifdef PERL_GLOBAL_STRUCT_PRIVATE
151 extern struct perl_vars* Perl_GetVarsPrivate();
152# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
153# ifndef PERLIO_FUNCS_CONST
154# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
155# endif
156# else
157# define PERL_GET_VARS() PL_VarsPtr
158# endif
159# endif
160#endif
161
7a89be66 162#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH		 163
164#ifdef PERL_GLOBAL_STRUCT
165# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
166#else
167# define dVAR dNOOP
168#endif
169
c5be433b 170#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 171# ifndef MULTIPLICITY
172# define MULTIPLICITY
c5be433b 173# endif
e8dda941 174# define tTHX PerlInterpreter*
5ba4cab2 175# define pTHX register tTHX my_perl PERL_UNUSED_DECL
3db8f154 176# define aTHX my_perl
27da23d5 177# ifdef PERL_GLOBAL_STRUCT
e8dda941 178# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 179# else
e8dda941 180# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH		 181# endif
182# ifdef PERL_GLOBAL_STRUCT
183# define dTHX dVAR; pTHX = PERL_GET_THX
184# else
185# define dTHX pTHX = PERL_GET_THX
186# endif
c5be433b 187# define pTHX_ pTHX,
c5be433b 188# define aTHX_ aTHX,
4373e329 189# define pTHX_1 2
894356b3
GS		 190# define pTHX_2 3
191# define pTHX_3 4
192# define pTHX_4 5
4373e329
AL		 193# define pTHX_5 6
194# define pTHX_6 7
a3b680e6
AL		 195# define pTHX_7 8
196# define pTHX_8 9
197# define pTHX_9 10
e8dda941
JD		 198# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
199# define PERL_TRACK_MEMPOOL
200# endif
201#else
202# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 203#endif
204
76e3520e
GS		 205#define STATIC static
206#define CPERLscope(x) x
565764a8 207#define CPERLarg void
76e3520e 208#define CPERLarg_
e3b8966e 209#define _CPERLarg
1d583055
GS		 210#define PERL_OBJECT_THIS
211#define _PERL_OBJECT_THIS
212#define PERL_OBJECT_THIS_
312caa8e 213#define CALL_FPTR(fptr) (*fptr)
76e3520e 214
312caa8e 215#define CALLRUNOPS CALL_FPTR(PL_runops)
f9f4320a 216
3ab4a224 217#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 218
3ab4a224
AB		 219#define CALLREGCOMP_ENG(prog, sv, flags) \
220 CALL_FPTR(((prog)->comp))(aTHX_ sv, flags)
f9f4320a 221#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
07bc277f 222 CALL_FPTR(RX_ENGINE(prog)->exec)(aTHX_ (prog),(stringarg),(strend), \
f9f4320a
YO		 223 (strbeg),(minend),(screamer),(data),(flags))
224#define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \
07bc277f 225 CALL_FPTR(RX_ENGINE(prog)->intuit)(aTHX_ (prog), (sv), (strpos), \
f9f4320a
YO		 226 (strend),(flags),(data))
227#define CALLREG_INTUIT_STRING(prog) \
07bc277f 228 CALL_FPTR(RX_ENGINE(prog)->checkstr)(aTHX_ (prog))
f8149455 229
f8149455
YO		 230#define CALLREGFREE(prog) \
231 Perl_pregfree(aTHX_ (prog))
232
233#define CALLREGFREE_PVT(prog) \
07bc277f 234 if(prog) CALL_FPTR(RX_ENGINE(prog)->free)(aTHX_ (prog))
f8149455 235
2fdbfb4d 236#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
07bc277f 237 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_FETCH)(aTHX_ (rx),(paren),(usesv))
93b32b6d 238
2fdbfb4d 239#define CALLREG_NUMBUF_STORE(rx,paren,value) \
07bc277f 240 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_STORE)(aTHX_ (rx),(paren),(value))
2fdbfb4d
AB		 241
242#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
07bc277f 243 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_LENGTH)(aTHX_ (rx),(sv),(paren))
2fdbfb4d 244
192b9cd1 245#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
07bc277f 246 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
192b9cd1
AB		 247
248#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
07bc277f 249 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
192b9cd1
AB		 250
251#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
07bc277f 252 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB		 253
254#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
07bc277f 255 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB		 256
257#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
07bc277f 258 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB		 259
260#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
07bc277f 261 CALL_FPTR(RX_ENGINE(rx)->named_buff_iter)(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB		 262
263#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
07bc277f 264 CALL_FPTR(RX_ENGINE(rx)->named_buff_iter)(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB		 265
266#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
07bc277f 267 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
AB		 268
269#define CALLREG_NAMED_BUFF_COUNT(rx) \
07bc277f 270 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
192b9cd1
AB		 271
272#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
07bc277f 273 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 274
49d7dfbc 275#define CALLREG_PACKAGE(rx) \
07bc277f 276 CALL_FPTR(RX_ENGINE(rx)->qr_package)(aTHX_ (rx))
93b32b6d 277
f9f4320a
YO		 278#if defined(USE_ITHREADS)
279#define CALLREGDUPE(prog,param) \
f8149455
YO		 280 Perl_re_dup(aTHX_ (prog),(param))
281
282#define CALLREGDUPE_PVT(prog,param) \
07bc277f 283 (prog ? CALL_FPTR(RX_ENGINE(prog)->dupe)(aTHX_ (prog),(param)) \
f9f4320a
YO		 284 : (REGEXP *)NULL)
285#endif
14dd3ad8 286
a20207d7 287
bcdf7404 288
a20207d7
YO		 289
290
5ba4cab2
SH		 291/*
292 * Because of backward compatibility reasons the PERL_UNUSED_DECL
293 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
294 *
295 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 296 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 297 * marking unused variables (they need e.g. a #pragma) and therefore
298 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
299 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
300 *
301 */
1266ad8c 302
9969cdde 303#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 304# ifdef __cplusplus
5ba4cab2 305# define PERL_UNUSED_DECL
5b2bd0a5 306# else
5ba4cab2 307# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 308# endif
309#endif
44dbb695 310
5b2bd0a5 311#ifndef PERL_UNUSED_DECL
34659ad4 312# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 313# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 314# else
5ba4cab2 315# define PERL_UNUSED_DECL
b79c357a 316# endif
5b2bd0a5
AMS		 317#endif
318
349b520e
DM		 319/* gcc -Wall:
320 * for silencing unused variables that are actually used most of the time,
a0288114 321 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 322 */
53c1dcc0 323#ifndef PERL_UNUSED_ARG
c99ffe5e 324# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 325# include <note.h>
53c1dcc0 326# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 327# else
53c1dcc0 328# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 329# endif
330#endif
53c1dcc0
AL		 331#ifndef PERL_UNUSED_VAR
332# define PERL_UNUSED_VAR(x) ((void)x)
333#endif
ad73156c 334
96a5add6
AL		 335#ifdef USE_ITHREADS
336# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
337#else
338# define PERL_UNUSED_CONTEXT
339#endif
340
6f207bd3 341#define NOOP /*EMPTY*/(void)0
6b484a99
JH		 342#if !defined(HASATTRIBUTE_UNUSED) && defined(__cplusplus)
343#define dNOOP /*EMPTY*/(void)0 /* Older g++ has no __attribute((unused))__ */
344#else
6f207bd3 345#define dNOOP extern int /*@unused@*/ Perl___notused PERL_UNUSED_DECL
6b484a99 346#endif
71be2cbc 347
0cb96387 348#ifndef pTHX
e8dda941
JD		 349/* Don't bother defining tTHX and sTHX; using them outside
350 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
351 */
0cb96387
GS		 352# define pTHX void
353# define pTHX_
0cb96387
GS		 354# define aTHX
355# define aTHX_
0cb96387
GS		 356# define dTHXa(a) dNOOP
357# define dTHX dNOOP
894356b3
GS		 358# define pTHX_1 1
359# define pTHX_2 2
360# define pTHX_3 3
361# define pTHX_4 4
3d42dc86
RGS		 362# define pTHX_5 5
363# define pTHX_6 6
a3b680e6
AL		 364# define pTHX_7 7
365# define pTHX_8 8
366# define pTHX_9 9
0cb96387
GS		 367#endif
368
27da23d5
JH		 369#ifndef dVAR
370# define dVAR dNOOP
371#endif
372
b4f7f263
GS		 373/* these are only defined for compatibility; should not be used internally */
374#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 375# define pTHXo pTHX
376# define pTHXo_ pTHX_
0cb96387
GS		 377# define aTHXo aTHX
378# define aTHXo_ aTHX_
c5be433b 379# define dTHXo dTHX
71d280e3 380# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 381#endif
382
383#ifndef pTHXx
384# define pTHXx register PerlInterpreter *my_perl
385# define pTHXx_ pTHXx,
0cb96387
GS		 386# define aTHXx my_perl
387# define aTHXx_ aTHXx,
c5be433b 388# define dTHXx dTHX
22c35a8c 389#endif
71be2cbc 390
1de7c2ac
GS		 391/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
392 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
393 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
394#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 395# ifdef PERL_GLOBAL_STRUCT_PRIVATE
396# define dTHXs dVAR; dTHX
397# else
398# define dTHXs dTHX
399# endif
1de7c2ac 400#else
27da23d5
JH		 401# ifdef PERL_GLOBAL_STRUCT_PRIVATE
402# define dTHXs dVAR
403# else
404# define dTHXs dNOOP
405# endif
1de7c2ac
GS		 406#endif
407
326b05e3
GS		 408#undef START_EXTERN_C
409#undef END_EXTERN_C
410#undef EXTERN_C
32f822de
GS		 411#ifdef __cplusplus
412# define START_EXTERN_C extern "C" {
413# define END_EXTERN_C }
414# define EXTERN_C extern "C"
415#else
d460ef45
NIS		 416# define START_EXTERN_C
417# define END_EXTERN_C
73c4f7a1 418# define EXTERN_C extern
32f822de
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)
d1ca3daa 445register struct 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
0cb96387 491#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 492#define WITH_THR(s) WITH_THX(s)
ea0efc06 493
d6f9c181
JH		 494#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
495# define BYTEORDER 0x1234
79072805
LW		 496#endif
497
498/* Overall memory policy? */
499#ifndef CONSERVATIVE
500# define LIBERAL 1
501#endif
502
8ada0baa
JH		 503#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
504#define ASCIIish
505#else
506#undef ASCIIish
507#endif
508
79072805
LW		 509/*
510 * The following contortions are brought to you on behalf of all the
511 * standards, semi-standards, de facto standards, not-so-de-facto standards
512 * of the world, as well as all the other botches anyone ever thought of.
513 * The basic theory is that if we work hard enough here, the rest of the
514 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
515 */
ac58e20f 516
ee0007ab 517/* define this once if either system, instead of cluttering up the src */
2986a63f 518#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 519#define DOSISH 1
520#endif
521
fb38d079 522#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 523# define STANDARD_C 1
524#endif
525
9969cdde 526#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 527# define DONT_DECLARE_STD 1
528#endif
529
352d5a3a 530#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 531# define VOL volatile
663a0e37 532#else
79072805 533# define VOL
663a0e37
LW		 534#endif
535
3280af22
NIS		 536#define TAINT (PL_tainted = TRUE)
537#define TAINT_NOT (PL_tainted = FALSE)
538#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
539#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 540#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 541
d460ef45 542/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 543 defines move there? If so, I could simplify this a lot. --AD 9/96.
544*/
545/* Process group stuff changed from traditional BSD to POSIX.
546 perlfunc.pod documents the traditional BSD-style syntax, so we'll
547 try to preserve that, if possible.
548*/
549#ifdef HAS_SETPGID
550# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 551#else
a6e633de 552# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
553# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
554# else
555# ifdef HAS_SETPGRP2 /* DG/UX */
556# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
557# endif
558# endif
559#endif
560#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
561# define HAS_SETPGRP /* Well, effectively it does . . . */
562#endif
563
564/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
565 our life easier :-) so we'll try it.
566*/
567#ifdef HAS_GETPGID
568# define BSD_GETPGRP(pid) getpgid((pid))
569#else
570# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
571# define BSD_GETPGRP(pid) getpgrp((pid))
572# else
573# ifdef HAS_GETPGRP2 /* DG/UX */
574# define BSD_GETPGRP(pid) getpgrp2((pid))
575# endif
576# endif
577#endif
578#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
579# define HAS_GETPGRP /* Well, effectively it does . . . */
580#endif
581
d460ef45 582/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 583 have different behaviors, but perl.h used to define USE_BSDPGRP
584 (prior to 5.003_05) so some extension might depend on it.
585*/
586#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
587# ifndef USE_BSDPGRP
588# define USE_BSDPGRP
589# endif
663a0e37
LW		 590#endif
591
8ac5a1fe
MH		 592/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
593 pthread.h must be included before all other header files.
594*/
3db8f154 595#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 596# include <pthread.h>
597#endif
598
760ac839
LW		 599#ifndef _TYPES_ /* If types.h defines this it's easy. */
600# ifndef major /* Does everyone's types.h define this? */
601# include <sys/types.h>
c07a80fd 602# endif
663a0e37
LW		 603#endif
604
760ac839
LW		 605#ifdef __cplusplus
606# ifndef I_STDARG
607# define I_STDARG 1
608# endif
609#endif
610
611#ifdef I_STDARG
612# include <stdarg.h>
613#else
614# ifdef I_VARARGS
615# include <varargs.h>
616# endif
617#endif
618
4633a7c4 619#ifdef USE_NEXT_CTYPE
0c30d9ec 620
092bebab
JH		 621#if NX_CURRENT_COMPILER_RELEASE >= 500
622# include <bsd/ctypes.h>
623#else
624# if NX_CURRENT_COMPILER_RELEASE >= 400
625# include <objc/NXCType.h>
626# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
627# include <appkit/NXCType.h>
628# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
629#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 630
631#else /* !USE_NEXT_CTYPE */
fe14fcc3 632#include <ctype.h>
0c30d9ec 633#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 634
635#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
636#undef METHOD
a0d0e21e
LW		 637#endif
638
12ae5dfc
JH		 639#ifdef PERL_MICRO
640# define NO_LOCALE
641#endif
642
4633a7c4 643#ifdef I_LOCALE
36477c24 644# include <locale.h>
4633a7c4
LW		 645#endif
646
36477c24 647#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
648# define USE_LOCALE
649# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
650 && defined(HAS_STRXFRM)
651# define USE_LOCALE_COLLATE
652# endif
653# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
654# define USE_LOCALE_CTYPE
655# endif
656# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
657# define USE_LOCALE_NUMERIC
658# endif
659#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 660
fe14fcc3 661#include <setjmp.h>
79072805 662
a0d0e21e 663#ifdef I_SYS_PARAM
79072805
LW		 664# ifdef PARAM_NEEDS_TYPES
665# include <sys/types.h>
666# endif
667# include <sys/param.h>
352d5a3a 668#endif
79072805 669
79072805 670/* Use all the "standard" definitions? */
a0d0e21e 671#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 672# include <stdlib.h>
ff68c719 673#endif
03a14243 674
3f270f98
JH		 675/* If this causes problems, set i_unistd=undef in the hint file. */
676#ifdef I_UNISTD
677# include <unistd.h>
678#endif
679
9969cdde 680#ifdef __SYMBIAN32__
27da23d5
JH		 681# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
682#endif
683
7114a2d2 684#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 685EXTERN_C int syscall(int, ...);
2ef53570
JH		 686#endif
687
7114a2d2 688#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 689EXTERN_C int usleep(unsigned int);
2ef53570
JH		 690#endif
691
9c12f1e5
RGS		 692/* Funky places that do not have socket stuff. */
693#if defined(__LIBCATAMOUNT__)
694# define MYSWAP
695#endif
696
9a34ef1d
GS		 697#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
698# define MYSWAP
699#endif
700
1109a392
MHM		 701#ifdef PERL_CORE
702
703/* macros for correct constant construction */
704# if INTSIZE >= 2
705# define U16_CONST(x) ((U16)x##U)
706# else
707# define U16_CONST(x) ((U16)x##UL)
708# endif
709
710# if INTSIZE >= 4
711# define U32_CONST(x) ((U32)x##U)
712# else
713# define U32_CONST(x) ((U32)x##UL)
714# endif
715
716# ifdef HAS_QUAD
717# if INTSIZE >= 8
718# define U64_CONST(x) ((U64)x##U)
719# elif LONGSIZE >= 8
720# define U64_CONST(x) ((U64)x##UL)
721# elif QUADKIND == QUAD_IS_LONG_LONG
722# define U64_CONST(x) ((U64)x##ULL)
723# else /* best guess we can make */
724# define U64_CONST(x) ((U64)x##UL)
725# endif
726# endif
727
728/* byte-swapping functions for big-/little-endian conversion */
729# define _swab_16_(x) ((U16)( \
730 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
731 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
732
733# define _swab_32_(x) ((U32)( \
734 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
735 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
736 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
737 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
738
739# ifdef HAS_QUAD
740# define _swab_64_(x) ((U64)( \
741 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
742 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
743 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
744 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
745 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
746 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
747 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
748 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
749# endif
750
751/*----------------------------------------------------------------------------*/
752# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
753/*----------------------------------------------------------------------------*/
754# define my_htole16(x) (x)
755# define my_letoh16(x) (x)
756# define my_htole32(x) (x)
757# define my_letoh32(x) (x)
758# define my_htobe16(x) _swab_16_(x)
759# define my_betoh16(x) _swab_16_(x)
760# define my_htobe32(x) _swab_32_(x)
761# define my_betoh32(x) _swab_32_(x)
762# ifdef HAS_QUAD
763# define my_htole64(x) (x)
764# define my_letoh64(x) (x)
765# define my_htobe64(x) _swab_64_(x)
766# define my_betoh64(x) _swab_64_(x)
767# endif
768# define my_htoles(x) (x)
769# define my_letohs(x) (x)
770# define my_htolei(x) (x)
771# define my_letohi(x) (x)
772# define my_htolel(x) (x)
773# define my_letohl(x) (x)
774# if SHORTSIZE == 1
775# define my_htobes(x) (x)
776# define my_betohs(x) (x)
777# elif SHORTSIZE == 2
778# define my_htobes(x) _swab_16_(x)
779# define my_betohs(x) _swab_16_(x)
780# elif SHORTSIZE == 4
781# define my_htobes(x) _swab_32_(x)
782# define my_betohs(x) _swab_32_(x)
783# elif SHORTSIZE == 8
784# define my_htobes(x) _swab_64_(x)
785# define my_betohs(x) _swab_64_(x)
786# else
787# define PERL_NEED_MY_HTOBES
788# define PERL_NEED_MY_BETOHS
789# endif
790# if INTSIZE == 1
791# define my_htobei(x) (x)
792# define my_betohi(x) (x)
793# elif INTSIZE == 2
794# define my_htobei(x) _swab_16_(x)
795# define my_betohi(x) _swab_16_(x)
796# elif INTSIZE == 4
797# define my_htobei(x) _swab_32_(x)
798# define my_betohi(x) _swab_32_(x)
799# elif INTSIZE == 8
800# define my_htobei(x) _swab_64_(x)
801# define my_betohi(x) _swab_64_(x)
802# else
803# define PERL_NEED_MY_HTOBEI
804# define PERL_NEED_MY_BETOHI
805# endif
806# if LONGSIZE == 1
807# define my_htobel(x) (x)
808# define my_betohl(x) (x)
809# elif LONGSIZE == 2
810# define my_htobel(x) _swab_16_(x)
811# define my_betohl(x) _swab_16_(x)
812# elif LONGSIZE == 4
813# define my_htobel(x) _swab_32_(x)
814# define my_betohl(x) _swab_32_(x)
815# elif LONGSIZE == 8
816# define my_htobel(x) _swab_64_(x)
817# define my_betohl(x) _swab_64_(x)
818# else
819# define PERL_NEED_MY_HTOBEL
820# define PERL_NEED_MY_BETOHL
821# endif
822# define my_htolen(p,n) NOOP
823# define my_letohn(p,n) NOOP
824# define my_htoben(p,n) my_swabn(p,n)
825# define my_betohn(p,n) my_swabn(p,n)
826/*----------------------------------------------------------------------------*/
827# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
828/*----------------------------------------------------------------------------*/
829# define my_htobe16(x) (x)
830# define my_betoh16(x) (x)
831# define my_htobe32(x) (x)
832# define my_betoh32(x) (x)
833# define my_htole16(x) _swab_16_(x)
834# define my_letoh16(x) _swab_16_(x)
835# define my_htole32(x) _swab_32_(x)
836# define my_letoh32(x) _swab_32_(x)
837# ifdef HAS_QUAD
838# define my_htobe64(x) (x)
839# define my_betoh64(x) (x)
840# define my_htole64(x) _swab_64_(x)
841# define my_letoh64(x) _swab_64_(x)
842# endif
843# define my_htobes(x) (x)
844# define my_betohs(x) (x)
845# define my_htobei(x) (x)
846# define my_betohi(x) (x)
847# define my_htobel(x) (x)
848# define my_betohl(x) (x)
849# if SHORTSIZE == 1
850# define my_htoles(x) (x)
851# define my_letohs(x) (x)
852# elif SHORTSIZE == 2
853# define my_htoles(x) _swab_16_(x)
854# define my_letohs(x) _swab_16_(x)
855# elif SHORTSIZE == 4
856# define my_htoles(x) _swab_32_(x)
857# define my_letohs(x) _swab_32_(x)
858# elif SHORTSIZE == 8
859# define my_htoles(x) _swab_64_(x)
860# define my_letohs(x) _swab_64_(x)
861# else
862# define PERL_NEED_MY_HTOLES
863# define PERL_NEED_MY_LETOHS
864# endif
865# if INTSIZE == 1
866# define my_htolei(x) (x)
867# define my_letohi(x) (x)
868# elif INTSIZE == 2
869# define my_htolei(x) _swab_16_(x)
870# define my_letohi(x) _swab_16_(x)
871# elif INTSIZE == 4
872# define my_htolei(x) _swab_32_(x)
873# define my_letohi(x) _swab_32_(x)
874# elif INTSIZE == 8
875# define my_htolei(x) _swab_64_(x)
876# define my_letohi(x) _swab_64_(x)
877# else
878# define PERL_NEED_MY_HTOLEI
879# define PERL_NEED_MY_LETOHI
880# endif
881# if LONGSIZE == 1
882# define my_htolel(x) (x)
883# define my_letohl(x) (x)
884# elif LONGSIZE == 2
885# define my_htolel(x) _swab_16_(x)
886# define my_letohl(x) _swab_16_(x)
887# elif LONGSIZE == 4
888# define my_htolel(x) _swab_32_(x)
889# define my_letohl(x) _swab_32_(x)
890# elif LONGSIZE == 8
891# define my_htolel(x) _swab_64_(x)
892# define my_letohl(x) _swab_64_(x)
893# else
894# define PERL_NEED_MY_HTOLEL
895# define PERL_NEED_MY_LETOHL
896# endif
897# define my_htolen(p,n) my_swabn(p,n)
898# define my_letohn(p,n) my_swabn(p,n)
899# define my_htoben(p,n) NOOP
900# define my_betohn(p,n) NOOP
901/*----------------------------------------------------------------------------*/
902# else /* all other byte-orders */
903/*----------------------------------------------------------------------------*/
904# define PERL_NEED_MY_HTOLE16
905# define PERL_NEED_MY_LETOH16
906# define PERL_NEED_MY_HTOBE16
907# define PERL_NEED_MY_BETOH16
908# define PERL_NEED_MY_HTOLE32
909# define PERL_NEED_MY_LETOH32
910# define PERL_NEED_MY_HTOBE32
911# define PERL_NEED_MY_BETOH32
912# ifdef HAS_QUAD
913# define PERL_NEED_MY_HTOLE64
914# define PERL_NEED_MY_LETOH64
915# define PERL_NEED_MY_HTOBE64
916# define PERL_NEED_MY_BETOH64
917# endif
918# define PERL_NEED_MY_HTOLES
919# define PERL_NEED_MY_LETOHS
920# define PERL_NEED_MY_HTOBES
921# define PERL_NEED_MY_BETOHS
922# define PERL_NEED_MY_HTOLEI
923# define PERL_NEED_MY_LETOHI
924# define PERL_NEED_MY_HTOBEI
925# define PERL_NEED_MY_BETOHI
926# define PERL_NEED_MY_HTOLEL
927# define PERL_NEED_MY_LETOHL
928# define PERL_NEED_MY_HTOBEL
929# define PERL_NEED_MY_BETOHL
930/*----------------------------------------------------------------------------*/
931# endif /* end of byte-order macros */
932/*----------------------------------------------------------------------------*/
933
9c17f24a
NC		 934/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
935 at least on FreeBSD. YMMV, so experiment. */
936#ifndef PERL_ARENA_SIZE
937#define PERL_ARENA_SIZE 4080
938#endif
939
ccb2c8b8 940/* Maximum level of recursion */
2b9dff67
RGS		 941#ifndef PERL_SUB_DEPTH_WARN
942#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 943#endif
944
1109a392
MHM		 945#endif /* PERL_CORE */
946
bdf3085f
NC		 947/* We no longer default to creating a new SV for GvSV.
948 Do this before embed. */
949#ifndef PERL_CREATE_GVSV
7459f06b
NC		 950# ifndef PERL_DONT_CREATE_GVSV
951# define PERL_DONT_CREATE_GVSV
952# endif
bdf3085f
NC		 953#endif
954
ca0c25f6
NC		 955#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
956#define PERL_USES_PL_PIDSTATUS
957#endif
958
a62746fa
RGS		 959#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__) && !defined(MACOS_TRADITIONAL)
960#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
961#endif
962
66a93824
NIS		 963/* Cannot include embed.h here on Win32 as win32.h has not
964 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
965 */
96e176bf 966#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 967# include "embed.h"
eb8433b7
NC		 968# ifndef PERL_MAD
969# undef op_getmad
b3f24c00 970# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 971# endif
cea2e8a9
GS		 972#endif
973
c31fac66
GS		 974#define MEM_SIZE Size_t
975
1936d2a7
NC		 976/* Round all values passed to malloc up, by default to a multiple of
977 sizeof(size_t)
978*/
979#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
980#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
981#endif
982
51371543
GS		 983#if defined(STANDARD_C) && defined(I_STDDEF)
984# include <stddef.h>
985# define STRUCT_OFFSET(s,m) offsetof(s,m)
986#else
987# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
988#endif
989
9969cdde 990#ifndef __SYMBIAN32__
27da23d5
JH		 991# if defined(I_STRING) || defined(__cplusplus)
992# include <string.h>
993# else
994# include <strings.h>
995# endif
51371543
GS		 996#endif
997
55497cff 998/* This comes after <stdlib.h> so we don't try to change the standard
999 * library prototypes; we'll use our own in proto.h instead. */
03a14243 1000
4633a7c4 1001#ifdef MYMALLOC
86058a2d 1002# ifdef PERL_POLLUTE_MALLOC
ee13e175 1003# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 1004# define Perl_malloc malloc
1005# define Perl_calloc calloc
1006# define Perl_realloc realloc
1007# define Perl_mfree free
ee13e175 1008# endif
86058a2d
GS		 1009# else
1010# define EMBEDMYMALLOC /* for compatibility */
1011# endif
827e134a 1012
651b9576
GS		 1013# define safemalloc Perl_malloc
1014# define safecalloc Perl_calloc
1015# define saferealloc Perl_realloc
1016# define safefree Perl_mfree
22f7c9c9
JH		 1017# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1018 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1019 code; \
1020 } STMT_END
1021# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1022 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1023# define panic_write2(s) write(2, s, strlen(s))
1024# define CHECK_MALLOC_TAINT(newval) \
1025 CHECK_MALLOC_TOO_LATE_FOR_( \
1026 if (newval) { \
1027 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1028 exit(1); })
22f7c9c9 1029# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1030 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 1031 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1032 }} STMT_END;
f2517201
GS		 1033#else /* MYMALLOC */
1034# define safemalloc safesysmalloc
1035# define safecalloc safesyscalloc
1036# define saferealloc safesysrealloc
1037# define safefree safesysfree
22f7c9c9
JH		 1038# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1039# define CHECK_MALLOC_TAINT(newval) ((void)0)
1040# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1041#endif /* MYMALLOC */
4633a7c4 1042
27da23d5 1043#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		 1044#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1045#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1046#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1047
a0d0e21e
LW		 1048#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1049#define strchr index
1050#define strrchr rindex
1051#endif
1052
16d20bd9
AD		 1053#ifdef I_MEMORY
1054# include <memory.h>
1055#endif
1056
fe14fcc3 1057#ifdef HAS_MEMCPY
85e6fe83 1058# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1059# ifndef memcpy
20ce7b12 1060 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 1061# endif
1062# endif
1063#else
1064# ifndef memcpy
1065# ifdef HAS_BCOPY
1066# define memcpy(d,s,l) bcopy(s,d,l)
1067# else
1068# define memcpy(d,s,l) my_bcopy(s,d,l)
1069# endif
1070# endif
1071#endif /* HAS_MEMCPY */
fe14fcc3 1072
ee0007ab 1073#ifdef HAS_MEMSET
85e6fe83 1074# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1075# ifndef memset
20ce7b12 1076 extern char *memset (char*, int, int);
ee0007ab
LW		 1077# endif
1078# endif
ee0007ab 1079#else
12ae5dfc 1080# undef memset
fc36a67e 1081# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1082#endif /* HAS_MEMSET */
1083
85e6fe83 1084#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1085# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1086# define memmove(d,s,l) bcopy(s,d,l)
1087# else
2304df62 1088# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1089# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1090# else
79072805 1091# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1092# endif
352d5a3a 1093# endif
d9d8d8de 1094#endif
ee0007ab 1095
36477c24 1096#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1097# undef HAS_MEMCMP
1098#endif
1099
1100#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1101# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1102# ifndef memcmp
20ce7b12 1103 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1104# endif
1105# endif
36477c24 1106# ifdef BUGGY_MSC
7e4e8c89 1107# pragma function(memcmp)
36477c24 1108# endif
ee0007ab
LW		 1109#else
1110# ifndef memcmp
ecfc5424 1111# define memcmp my_memcmp
352d5a3a 1112# endif
36477c24 1113#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1114
fc36a67e 1115#ifndef memzero
c635e13b 1116# ifdef HAS_MEMSET
1117# define memzero(d,l) memset(d,0,l)
79072805 1118# else
c635e13b 1119# ifdef HAS_BZERO
1120# define memzero(d,l) bzero(d,l)
79072805 1121# else
fc36a67e 1122# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1123# endif
1124# endif
d9d8d8de 1125#endif
378cc40b 1126
2f42fcb0 1127#ifndef PERL_MICRO
0f27ced1
JH		 1128#ifndef memchr
1129# ifndef HAS_MEMCHR
1130# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1131# endif
1132#endif
2f42fcb0 1133#endif
0f27ced1 1134
36477c24 1135#ifndef HAS_BCMP
1136# ifndef bcmp
1137# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1138# endif
36477c24 1139#endif /* !HAS_BCMP */
378cc40b 1140
ae986130 1141#ifdef I_NETINET_IN
79072805 1142# include <netinet/in.h>
ae986130
LW		 1143#endif
1144
28e8609d
JH		 1145#ifdef I_ARPA_INET
1146# include <arpa/inet.h>
1147#endif
1148
84902520
TB		 1149#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1150/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1151 * (the neo-BSD seem to do this). */
1152# undef SF_APPEND
1153#endif
1154
1aef975c 1155#ifdef I_SYS_STAT
84902520 1156# include <sys/stat.h>
1aef975c 1157#endif
79072805 1158
a0d0e21e
LW		 1159/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1160 like UTekV) are broken, sometimes giving false positives. Undefine
1161 them here and let the code below set them to proper values.
1162
1163 The ghs macro stands for GreenHills Software C-1.8.5 which
1164 is the C compiler for sysV88 and the various derivatives.
1165 This header file bug is corrected in gcc-2.5.8 and later versions.
1166 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1167
1168#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1169# undef S_ISDIR
1170# undef S_ISCHR
1171# undef S_ISBLK
1172# undef S_ISREG
1173# undef S_ISFIFO
1174# undef S_ISLNK
ee0007ab 1175#endif
135863df 1176
663a0e37
LW		 1177#ifdef I_TIME
1178# include <time.h>
ffed7fef 1179#endif
663a0e37 1180
fe14fcc3 1181#ifdef I_SYS_TIME
85e6fe83 1182# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1183# define KERNEL
1184# endif
1185# include <sys/time.h>
85e6fe83 1186# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1187# undef KERNEL
1188# endif
a687059c 1189#endif
135863df 1190
55497cff 1191#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1192# include <sys/times.h>
d9d8d8de 1193#endif
8d063cd8 1194
fe14fcc3 1195#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1196# undef HAS_STRERROR
663a0e37
LW		 1197#endif
1198
1199#include <errno.h>
1e743fda 1200
acfe0abc 1201#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1202# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1203#endif
1204
8cfab5ff
JH		 1205/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1206 * This is important for using IPv6.
1207 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1208 * a bad idea since it breaks send() and recv(). */
1209#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1210# define _SOCKADDR_LEN
1211#endif
1212
8d3f517a 1213#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1214# include <sys/socket.h>
1215# if defined(USE_SOCKS) && defined(I_SOCKS)
1216# if !defined(INCLUDE_PROTOTYPES)
1217# define INCLUDE_PROTOTYPES /* for <socks.h> */
1218# define PERL_SOCKS_NEED_PROTOTYPES
1219# endif
1220# include <socks.h>
1221# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1222# undef INCLUDE_PROTOTYPES
1223# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1224# endif
d460ef45 1225# endif
1e743fda 1226# ifdef I_NETDB
2986a63f
JH		 1227# ifdef NETWARE
1228# include<stdio.h>
1229# endif
1e743fda
JH		 1230# include <netdb.h>
1231# endif
1232# ifndef ENOTSOCK
1233# ifdef I_NET_ERRNO
1234# include <net/errno.h>
1235# endif
1236# endif
1237#endif
1238
fa0a29af 1239/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1240 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1241 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1242#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1243# if defined(__THROW) && defined(__GLIBC__)
1244int sockatmark(int) __THROW;
1245# else
2ef53570 1246int sockatmark(int);
29820b6d 1247# endif
2ef53570
JH		 1248#endif
1249
7e827271 1250#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		 1251EXTERN_C int fchdir(int);
1252EXTERN_C int flock(int, int);
1253EXTERN_C int fseeko(FILE *, off_t, int);
1254EXTERN_C off_t ftello(FILE *);
1255#endif
1256
7e827271 1257#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1258EXTERN_C char *crypt(const char *, const char *);
7e827271 1259EXTERN_C char **environ;
1ccb7c8d
JH		 1260#endif
1261
83a6ff2e 1262#if defined(__cplusplus)
944c4fda 1263# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1264EXTERN_C char **environ;
83a6ff2e 1265# elif defined(__CYGWIN__)
667e2948
SP		 1266EXTERN_C char *crypt(const char *, const char *);
1267#endif
83a6ff2e 1268#endif
667e2948 1269
1e743fda
JH		 1270#ifdef SETERRNO
1271# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1272#endif
f86702cc 1273
1274#ifdef VMS
1275# define SETERRNO(errcode,vmserrcode) \
1276 STMT_START { \
1277 set_errno(errcode); \
1278 set_vaxc_errno(vmserrcode); \
1279 } STMT_END
4ee39169
CS		 1280# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1281# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1282# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1283# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1284
93189314
JH		 1285# define LIB_INVARG LIB$_INVARG
1286# define RMS_DIR RMS$_DIR
1287# define RMS_FAC RMS$_FAC
1288# define RMS_FEX RMS$_FEX
1289# define RMS_FNF RMS$_FNF
1290# define RMS_IFI RMS$_IFI
1291# define RMS_ISI RMS$_ISI
1292# define RMS_PRV RMS$_PRV
1293# define SS_ACCVIO SS$_ACCVIO
1294# define SS_DEVOFFLINE SS$_DEVOFFLINE
1295# define SS_IVCHAN SS$_IVCHAN
1296# define SS_NORMAL SS$_NORMAL
748a9306 1297#else
aba27d88 1298# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS		 1299# define dSAVEDERRNO int saved_errno
1300# define dSAVE_ERRNO int saved_errno = errno
1301# define SAVE_ERRNO (saved_errno = errno)
1302# define RESTORE_ERRNO (errno = saved_errno)
1303
93189314
JH		 1304# define LIB_INVARG 0
1305# define RMS_DIR 0
1306# define RMS_FAC 0
1307# define RMS_FEX 0
1308# define RMS_FNF 0
1309# define RMS_IFI 0
1310# define RMS_ISI 0
1311# define RMS_PRV 0
1312# define SS_ACCVIO 0
1313# define SS_DEVOFFLINE 0
1314# define SS_IVCHAN 0
1315# define SS_NORMAL 0
748a9306 1316#endif
ed6116ce 1317
3db8f154 1318#define ERRSV GvSV(PL_errgv)
414bf5ae
MHM		 1319#ifdef PERL_CORE
1320# define DEFSV (0 + GvSVn(PL_defgv))
1321#else
1322# define DEFSV GvSVn(PL_defgv)
1323#endif
1324#define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
3db8f154 1325#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1326
98eae8f5
GS		 1327#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1328
55497cff 1329#ifndef errno
5ff3f7a4
GS		 1330 extern int errno; /* ANSI allows errno to be an lvalue expr.
1331 * For example in multithreaded environments
1332 * something like this might happen:
1333 * extern int *_errno(void);
1334 * #define errno (*_errno()) */
d9d8d8de 1335#endif
663a0e37 1336
2304df62 1337#ifdef HAS_STRERROR
a0d0e21e 1338# ifdef VMS
20ce7b12 1339 char *strerror (int,...);
a0d0e21e 1340# else
68dc0745 1341#ifndef DONT_DECLARE_STD
20ce7b12 1342 char *strerror (int);
68dc0745 1343#endif
a0d0e21e 1344# endif
2304df62
AD		 1345# ifndef Strerror
1346# define Strerror strerror
1347# endif
1348#else
1349# ifdef HAS_SYS_ERRLIST
79072805
LW		 1350 extern int sys_nerr;
1351 extern char *sys_errlist[];
2304df62
AD		 1352# ifndef Strerror
1353# define Strerror(e) \
79072805 1354 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1355# endif
79072805 1356# endif
35c8bce7 1357#endif
663a0e37 1358
2304df62 1359#ifdef I_SYS_IOCTL
79072805
LW		 1360# ifndef _IOCTL_
1361# include <sys/ioctl.h>
1362# endif
a687059c
LW		 1363#endif
1364
ee0007ab 1365#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1366# ifdef HAS_SOCKETPAIR
1367# undef HAS_SOCKETPAIR
1368# endif
2304df62
AD		 1369# ifdef I_NDBM
1370# undef I_NDBM
79072805 1371# endif
a687059c
LW		 1372#endif
1373
02fc2eee
NC		 1374#ifndef HAS_SOCKETPAIR
1375# ifdef HAS_SOCKET
1376# define socketpair Perl_my_socketpair
1377# endif
1378#endif
1379
a687059c 1380#if INTSIZE == 2
79072805
LW		 1381# define htoni htons
1382# define ntohi ntohs
a687059c 1383#else
79072805
LW		 1384# define htoni htonl
1385# define ntohi ntohl
a687059c
LW		 1386#endif
1387
a0d0e21e 1388/* Configure already sets Direntry_t */
35c8bce7 1389#if defined(I_DIRENT)
663a0e37 1390# include <dirent.h>
8f1f23e8
W		 1391 /* NeXT needs dirent + sys/dir.h */
1392# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1393# include <sys/dir.h>
1394# endif
ae986130 1395#else
fe14fcc3 1396# ifdef I_SYS_NDIR
79a0689e 1397# include <sys/ndir.h>
663a0e37 1398# else
fe14fcc3 1399# ifdef I_SYS_DIR
79a0689e
LW		 1400# ifdef hp9000s500
1401# include <ndir.h> /* may be wrong in the future */
1402# else
1403# include <sys/dir.h>
1404# endif
663a0e37
LW		 1405# endif
1406# endif
4633a7c4 1407#endif
a687059c 1408
12ae5dfc
JH		 1409#ifdef PERL_MICRO
1410# ifndef DIR
1411# define DIR void
1412# endif
1413#endif
1414
352d5a3a
LW		 1415#ifdef FPUTS_BOTCH
1416/* work around botch in SunOS 4.0.1 and 4.0.2 */
1417# ifndef fputs
79072805 1418# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1419# endif
1420#endif
1421
c623bd54
LW		 1422/*
1423 * The following gobbledygook brought to you on behalf of __STDC__.
1424 * (I could just use #ifndef __STDC__, but this is more bulletproof
1425 * in the face of half-implementations.)
1426 */
1427
7114a2d2 1428#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1429#include <sys/mode.h>
1430#endif
1431
c623bd54
LW		 1432#ifndef S_IFMT
1433# ifdef _S_IFMT
1434# define S_IFMT _S_IFMT
1435# else
1436# define S_IFMT 0170000
1437# endif
1438#endif
1439
1440#ifndef S_ISDIR
1441# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1442#endif
1443
1444#ifndef S_ISCHR
1445# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1446#endif
1447
1448#ifndef S_ISBLK
fe14fcc3
LW		 1449# ifdef S_IFBLK
1450# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1451# else
1452# define S_ISBLK(m) (0)
1453# endif
c623bd54
LW		 1454#endif
1455
1456#ifndef S_ISREG
1457# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1458#endif
1459
1460#ifndef S_ISFIFO
fe14fcc3
LW		 1461# ifdef S_IFIFO
1462# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1463# else
1464# define S_ISFIFO(m) (0)
1465# endif
c623bd54
LW		 1466#endif
1467
1468#ifndef S_ISLNK
1469# ifdef _S_ISLNK
1470# define S_ISLNK(m) _S_ISLNK(m)
1471# else
1472# ifdef _S_IFLNK
1473# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1474# else
1475# ifdef S_IFLNK
1476# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1477# else
1478# define S_ISLNK(m) (0)
1479# endif
1480# endif
1481# endif
1482#endif
1483
1484#ifndef S_ISSOCK
1485# ifdef _S_ISSOCK
1486# define S_ISSOCK(m) _S_ISSOCK(m)
1487# else
1488# ifdef _S_IFSOCK
1489# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1490# else
1491# ifdef S_IFSOCK
1492# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1493# else
1494# define S_ISSOCK(m) (0)
1495# endif
1496# endif
1497# endif
1498#endif
1499
1500#ifndef S_IRUSR
1501# ifdef S_IREAD
1502# define S_IRUSR S_IREAD
1503# define S_IWUSR S_IWRITE
1504# define S_IXUSR S_IEXEC
1505# else
1506# define S_IRUSR 0400
1507# define S_IWUSR 0200
1508# define S_IXUSR 0100
1509# endif
fac7cdfc
JS		 1510#endif
1511
1512#ifndef S_IRGRP
1513# ifdef S_IRUSR
1514# define S_IRGRP (S_IRUSR>>3)
1515# define S_IWGRP (S_IWUSR>>3)
1516# define S_IXGRP (S_IXUSR>>3)
1517# else
1518# define S_IRGRP 0040
1519# define S_IWGRP 0020
1520# define S_IXGRP 0010
1521# endif
1522#endif
1523
1524#ifndef S_IROTH
1525# ifdef S_IRUSR
1526# define S_IROTH (S_IRUSR>>6)
1527# define S_IWOTH (S_IWUSR>>6)
1528# define S_IXOTH (S_IXUSR>>6)
1529# else
1530# define S_IROTH 0040
1531# define S_IWOTH 0020
1532# define S_IXOTH 0010
1533# endif
c623bd54
LW		 1534#endif
1535
1536#ifndef S_ISUID
1537# define S_ISUID 04000
1538#endif
1539
1540#ifndef S_ISGID
1541# define S_ISGID 02000
1542#endif
1543
ca6e1c26
JH		 1544#ifndef S_IRWXU
1545# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1546#endif
ca6e1c26
JH		 1547
1548#ifndef S_IRWXG
1549# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1550#endif
ca6e1c26
JH		 1551
1552#ifndef S_IRWXO
1553# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1554#endif
ca6e1c26 1555
df00ff3b 1556/* BeOS 5.0 and Haiku R1 seem to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1557 * which would get included through <sys/file.h >, but that is 3000
1558 * lines in the future. --jhi */
1559
df00ff3b 1560#if !defined(S_IREAD) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1561# define S_IREAD S_IRUSR
1562#endif
1563
df00ff3b 1564#if !defined(S_IWRITE) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1565# define S_IWRITE S_IWUSR
1566#endif
1567
1568#ifndef S_IEXEC
1569# define S_IEXEC S_IXUSR
1570#endif
1571
79072805
LW		 1572#ifdef ff_next
1573# undef ff_next
352d5a3a
LW		 1574#endif
1575
a0d0e21e 1576#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1577# define SLOPPYDIVIDE
1578#endif
1579
748a9306
LW		 1580#ifdef UV
1581#undef UV
1582#endif
1583
c89df6bf
JH		 1584#ifdef SPRINTF_E_BUG
1585# define sprintf UTS_sprintf_wrap
1586#endif
1587
ce582cee
NC		 1588/* For the times when you want the return value of sprintf, and you want it
1589 to be the length. Can't have a thread variable passed in, because C89 has
1590 no varargs macros.
1591*/
1592#ifdef SPRINTF_RETURNS_STRLEN
1593# define my_sprintf sprintf
1594#else
1595# define my_sprintf Perl_my_sprintf
1596#endif
1597
5b692037
JH		 1598/*
1599 * If we have v?snprintf() and the C99 variadic macros, we can just
1600 * use just the v?snprintf(). It is nice to try to trap the buffer
1601 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1602 * gcc statement expressions, then use the function wrappers which try
1603 * to trap the overflow. If we can use the gcc statement expressions,
1604 * we can try that even with the version that uses the C99 variadic
1605 * macros.
5b692037
JH		 1606 */
1607
1208b3dd
JH		 1608/* Note that we do not check against snprintf()/vsnprintf() returning
1609 * negative values because that is non-standard behaviour and we use
1610 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1611 * that should be true only if the snprintf()/vsnprintf() are true
1612 * to the standard. */
1613
dfeee9b1 1614#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1615# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1616# 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 1617# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1618# else
1619# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1620# endif
1621#else
1622# define my_snprintf Perl_my_snprintf
1208b3dd 1623# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1624#endif
1625
dfeee9b1 1626#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1627# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1628# define my_vsnprintf(buffer, len, ...) ({ int __len__ = vsnprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (len)) Perl_croak_nocontext("panic: vsnprintf buffer overflow"); __len__; })
1208b3dd 1629# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1630# else
1631# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1632# endif
1633#else
1634# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1635# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1636#endif
d9fad198 1637
a6cc4119
SP		 1638#ifdef HAS_STRLCAT
1639# define my_strlcat strlcat
1640#else
1641# define my_strlcat Perl_my_strlcat
1642#endif
1643
1644#ifdef HAS_STRLCPY
1645# define my_strlcpy strlcpy
1646#else
1647# define my_strlcpy Perl_my_strlcpy
1648#endif
1649
c495e728
JH		 1650/* Configure gets this right but the UTS compiler gets it wrong.
1651 -- Hal Morris <hom00@utsglobal.com> */
1652#ifdef UTS
1653# undef UVTYPE
1654# define UVTYPE unsigned
1655#endif
1656
05f13f53 1657/*
27d4fb96 1658 The IV type is supposed to be long enough to hold any integral
1659 value or a pointer.
1660 --Andy Dougherty August 1996
1661*/
1662
a22e52b9
JH		 1663typedef IVTYPE IV;
1664typedef UVTYPE UV;
8175356b 1665
10cc9d2a 1666#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1667# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1668# define IV_MAX INT64_MAX
1669# define IV_MIN INT64_MIN
1670# define UV_MAX UINT64_MAX
cae7ae48
JH		 1671# ifndef UINT64_MIN
1672# define UINT64_MIN 0
1673# endif
5ff3f7a4
GS		 1674# define UV_MIN UINT64_MIN
1675# else
1676# define IV_MAX PERL_QUAD_MAX
1677# define IV_MIN PERL_QUAD_MIN
1678# define UV_MAX PERL_UQUAD_MAX
1679# define UV_MIN PERL_UQUAD_MIN
1680# endif
cf2093f6
JH		 1681# define IV_IS_QUAD
1682# define UV_IS_QUAD
79072805 1683#else
8175356b 1684# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1685# define IV_MAX INT32_MAX
1686# define IV_MIN INT32_MIN
716026f9
DL		 1687# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1688# define UV_MAX UINT32_MAX
1689# else
1690# define UV_MAX 4294967295U
1691# endif
cae7ae48
JH		 1692# ifndef UINT32_MIN
1693# define UINT32_MIN 0
1694# endif
5ff3f7a4
GS		 1695# define UV_MIN UINT32_MIN
1696# else
1697# define IV_MAX PERL_LONG_MAX
1698# define IV_MIN PERL_LONG_MIN
1699# define UV_MAX PERL_ULONG_MAX
1700# define UV_MIN PERL_ULONG_MIN
1701# endif
8175356b 1702# if IVSIZE == 8
cf2093f6
JH		 1703# define IV_IS_QUAD
1704# define UV_IS_QUAD
de1c2614
JH		 1705# ifndef HAS_QUAD
1706# define HAS_QUAD
1707# endif
cf2093f6
JH		 1708# else
1709# undef IV_IS_QUAD
1710# undef UV_IS_QUAD
de1c2614 1711# undef HAS_QUAD
cf2093f6 1712# endif
79072805 1713#endif
d7d93a81 1714
1109a392
MHM		 1715#ifndef HAS_QUAD
1716# undef PERL_NEED_MY_HTOLE64
1717# undef PERL_NEED_MY_LETOH64
1718# undef PERL_NEED_MY_HTOBE64
1719# undef PERL_NEED_MY_BETOH64
1720#endif
1721
6cde8aec 1722#if defined(uts) || defined(UTS)
11afe549
HM		 1723# undef UV_MAX
1724# define UV_MAX (4294967295u)
20601011
JH		 1725#endif
1726
cae7ae48 1727#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1728#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1729
28e5dec8 1730#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1731#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1732#endif
1733
d460ef45 1734/*
26bb67e2
JH		 1735 * The macros INT2PTR and NUM2PTR are (despite their names)
1736 * bi-directional: they will convert int/float to or from pointers.
1737 * However the conversion to int/float are named explicitly:
1738 * PTR2IV, PTR2UV, PTR2NV.
1739 *
1740 * For int conversions we do not need two casts if pointers are
1741 * the same size as IV and UV. Otherwise we need an explicit
1742 * cast (PTRV) to avoid compiler warnings.
1743 */
56431972
RB		 1744#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1745# define PTRV UV
1746# define INT2PTR(any,d) (any)(d)
1747#else
d460ef45 1748# if PTRSIZE == LONGSIZE
56431972 1749# define PTRV unsigned long
e91e3b10 1750# define PTR2ul(p) (unsigned long)(p)
42718184 1751# else
56431972 1752# define PTRV unsigned
42718184 1753# endif
e91e3b10
RB		 1754#endif
1755
1756#ifndef INT2PTR
56431972 1757# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1758#endif
e91e3b10
RB		 1759
1760#ifndef PTR2ul
1761# define PTR2ul(p) INT2PTR(unsigned long,p)
1762#endif
1763
56431972
RB		 1764#define NUM2PTR(any,d) (any)(PTRV)(d)
1765#define PTR2IV(p) INT2PTR(IV,p)
1766#define PTR2UV(p) INT2PTR(UV,p)
1767#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1768#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1769
8141890a
JH		 1770/* According to strict ANSI C89 one cannot freely cast between
1771 * data pointers and function (code) pointers. There are at least
1772 * two ways around this. One (used below) is to do two casts,
1773 * first the other pointer to an (unsigned) integer, and then
1774 * the integer to the other pointer. The other way would be
1775 * to use unions to "overlay" the pointers. For an example of
1776 * the latter technique, see union dirpu in struct xpvio in sv.h.
1777 * The only feasible use is probably temporarily storing
1778 * function pointers in a data pointer (such as a void pointer). */
1779
e91e3b10
RB		 1780#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1781#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1782
65202027 1783#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1784# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1785# define LONG_DOUBLE_EQUALS_DOUBLE
1786# endif
68d4903c 1787# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1788# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1789# endif
1790#endif
1791
2d4389e4
JH		 1792#ifdef OVR_DBL_DIG
1793/* Use an overridden DBL_DIG */
1794# ifdef DBL_DIG
1795# undef DBL_DIG
1796# endif
1797# define DBL_DIG OVR_DBL_DIG
1798#else
1799/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1800 default value for printing floating point numbers in Gconvert
1801 (see config.h). (It also has other uses, such as figuring out if
1802 a given precision of printing can be done with a double instead of
1803 a long double - Allen).
2d4389e4
JH		 1804*/
1805#ifdef I_LIMITS
1806#include <limits.h>
1807#endif
1808#ifdef I_FLOAT
1809#include <float.h>
1810#endif
1811#ifndef HAS_DBL_DIG
1812#define DBL_DIG 15 /* A guess that works lots of places */
1813#endif
1814#endif
1815
1816#ifdef OVR_LDBL_DIG
1817/* Use an overridden LDBL_DIG */
1818# ifdef LDBL_DIG
1819# undef LDBL_DIG
1820# endif
1821# define LDBL_DIG OVR_LDBL_DIG
1822#else
1823/* The following is all to get LDBL_DIG, in order to pick a nice
1824 default value for printing floating point numbers in Gconvert.
1825 (see config.h)
1826*/
68d4903c
JH		 1827# ifdef I_LIMITS
1828# include <limits.h>
1829# endif
1830# ifdef I_FLOAT
1831# include <float.h>
1832# endif
1833# ifndef HAS_LDBL_DIG
1834# if LONG_DOUBLESIZE == 10
1835# define LDBL_DIG 18 /* assume IEEE */
1836# else
1837# if LONG_DOUBLESIZE == 12
1838# define LDBL_DIG 18 /* gcc? */
1839# else
1840# if LONG_DOUBLESIZE == 16
1841# define LDBL_DIG 33 /* assume IEEE */
1842# else
1843# if LONG_DOUBLESIZE == DOUBLESIZE
1844# define LDBL_DIG DBL_DIG /* bummer */
1845# endif
1846# endif
1847# endif
1848# endif
1849# endif
2d4389e4
JH		 1850#endif
1851
20f6aaab
AS		 1852/*
1853 * This is for making sure we have a good DBL_MAX value, if possible,
1854 * either for usage as NV_MAX or for usage in figuring out if we can
1855 * fit a given long double into a double, if bug-fixing makes it
1856 * necessary to do so. - Allen <allens@cpan.org>
1857 */
1858
205f51d8
AS		 1859#ifdef I_LIMITS
1860# include <limits.h>
20f6aaab
AS		 1861#endif
1862
205f51d8
AS		 1863#ifdef I_VALUES
1864# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1865# include <values.h>
1866# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1867# define DBL_MAX MAXDOUBLE
1868# endif
1869# if defined(MINDOUBLE) && !defined(DBL_MIN)
1870# define DBL_MIN MINDOUBLE
1871# endif
1872# endif
1873#endif /* defined(I_VALUES) */
1874
a22e52b9 1875typedef NVTYPE NV;
8175356b 1876
792d8dab
JH		 1877#ifdef I_IEEEFP
1878# include <ieeefp.h>
1879#endif
923fc586 1880
65202027 1881#ifdef USE_LONG_DOUBLE
923fc586
JH		 1882# ifdef I_SUNMATH
1883# include <sunmath.h>
1884# endif
2d4389e4 1885# define NV_DIG LDBL_DIG
d6c14000
JH		 1886# ifdef LDBL_MANT_DIG
1887# define NV_MANT_DIG LDBL_MANT_DIG
1888# endif
06fc1729
JH		 1889# ifdef LDBL_MIN
1890# define NV_MIN LDBL_MIN
1891# endif
1892# ifdef LDBL_MAX
1893# define NV_MAX LDBL_MAX
1894# endif
1895# ifdef LDBL_MIN_10_EXP
1896# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1897# endif
1898# ifdef LDBL_MAX_10_EXP
1899# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1900# endif
1901# ifdef LDBL_EPSILON
1902# define NV_EPSILON LDBL_EPSILON
1903# endif
f4a14a62
JH		 1904# ifdef LDBL_MAX
1905# define NV_MAX LDBL_MAX
20f6aaab 1906/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1907# else
1908# ifdef HUGE_VALL
1909# define NV_MAX HUGE_VALL
1910# else
1911# ifdef HUGE_VAL
1912# define NV_MAX ((NV)HUGE_VAL)
1913# endif
1914# endif
1915# endif
68d4903c 1916# ifdef HAS_SQRTL
68d4903c
JH		 1917# define Perl_cos cosl
1918# define Perl_sin sinl
1919# define Perl_sqrt sqrtl
1920# define Perl_exp expl
1921# define Perl_log logl
1922# define Perl_atan2 atan2l
1923# define Perl_pow powl
1924# define Perl_floor floorl
1bbae031 1925# define Perl_ceil ceill
68d4903c
JH		 1926# define Perl_fmod fmodl
1927# endif
a3540c92
JH		 1928/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1929# ifdef HAS_MODFL
1930# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1931/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1932 prototype in <math.h> */
1933# ifndef HAS_MODFL_PROTO
a221a8a5 1934EXTERN_C long double modfl(long double, long double *);
51997bc3 1935# endif
03476e8e
JH		 1936# else
1937# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1938 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1939# define Perl_modf(x,y) Perl_my_modfl(x,y)
1940# endif
a3540c92
JH		 1941# endif
1942# ifdef HAS_FREXPL
dff3e0b8 1943# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1944# else
1945# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1946 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1947# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1948# endif
a3540c92 1949# endif
38dbb4c5 1950# ifndef Perl_isnan
758a5d79
JH		 1951# ifdef HAS_ISNANL
1952# define Perl_isnan(x) isnanl(x)
1953# endif
1954# endif
1955# ifndef Perl_isinf
1956# ifdef HAS_FINITEL
1957# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1958# endif
1959# endif
65202027 1960#else
2d4389e4 1961# define NV_DIG DBL_DIG
d6c14000
JH		 1962# ifdef DBL_MANT_DIG
1963# define NV_MANT_DIG DBL_MANT_DIG
1964# endif
06fc1729
JH		 1965# ifdef DBL_MIN
1966# define NV_MIN DBL_MIN
1967# endif
1968# ifdef DBL_MAX
1969# define NV_MAX DBL_MAX
1970# endif
1971# ifdef DBL_MIN_10_EXP
1972# define NV_MIN_10_EXP DBL_MIN_10_EXP
1973# endif
1974# ifdef DBL_MAX_10_EXP
1975# define NV_MAX_10_EXP DBL_MAX_10_EXP
1976# endif
1977# ifdef DBL_EPSILON
1978# define NV_EPSILON DBL_EPSILON
1979# endif
205f51d8 1980# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1981# define NV_MAX DBL_MAX
1982# define NV_MIN DBL_MIN
1983# else
1984# ifdef HUGE_VAL
1985# define NV_MAX HUGE_VAL
1986# endif
1987# endif
65202027
DS		 1988# define Perl_cos cos
1989# define Perl_sin sin
1990# define Perl_sqrt sqrt
1991# define Perl_exp exp
1992# define Perl_log log
1993# define Perl_atan2 atan2
1994# define Perl_pow pow
1995# define Perl_floor floor
1bbae031 1996# define Perl_ceil ceil
65202027 1997# define Perl_fmod fmod
a3540c92 1998# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1999# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 2000#endif
2001
2002/* rumor has it that Win32 has _fpclass() */
2003
205f51d8
AS		 2004/* SGI has fpclassl... but not with the same result values,
2005 * and it's via a typedef (not via #define), so will need to redo Configure
2006 * to use. Not worth the trouble, IMO, at least until the below is used
2007 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
2008 * with me for the SGI manpages, SGI testing, etcetera, if you want to
2009 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
2010
758a5d79
JH		 2011#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2012# ifdef I_IEEFP
2013# include <ieeefp.h>
2014# endif
2015# ifdef I_FP
2016# include <fp.h>
2017# endif
2018# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2019# define Perl_fp_class() fpclassl(x)
2020# else
2021# define Perl_fp_class() fpclass(x)
2022# endif
2023# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2024# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2025# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2026# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2027# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2028# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2029# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2030# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2031# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2032# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2033# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2034# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2035# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2036# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2037# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2038#endif
2039
7114a2d2 2040#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2041# include <math.h>
2042# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2043# include <fp_class.h>
2044# endif
2045# define Perl_fp_class(x) fp_class(x)
2046# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2047# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2048# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2049# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2050# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2051# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2052# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2053# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2054# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2055# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2056# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2057# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2058# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2059# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2060# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2061#endif
2062
2063#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2064# include <math.h>
2065# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2066# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2067# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2068# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2069# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2070# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2071#endif
2072
2073#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2074# include <math.h>
2075# ifndef _cplusplus
2076# define Perl_fp_class(x) class(x)
2077# else
2078# define Perl_fp_class(x) _class(x)
2079# endif
2080# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2081# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2082# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2083# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2084# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2085# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2086# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2087# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2088# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2089# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2090# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2091# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2092# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2093# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2094# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2095#endif
2096
2097/* rumor has it that Win32 has _isnan() */
2098
2099#ifndef Perl_isnan
a3540c92 2100# ifdef HAS_ISNAN
758a5d79
JH		 2101# define Perl_isnan(x) isnan((NV)x)
2102# else
2103# ifdef Perl_fp_class_nan
2104# define Perl_isnan(x) Perl_fp_class_nan(x)
2105# else
2106# ifdef HAS_UNORDERED
2107# define Perl_isnan(x) unordered((x), 0.0)
2108# else
2109# define Perl_isnan(x) ((x)!=(x))
2110# endif
2111# endif
2112# endif
2113#endif
2114
ca6c63e1
JH		 2115#ifdef UNDER_CE
2116int isnan(double d);
2117#endif
2118
758a5d79
JH		 2119#ifndef Perl_isinf
2120# ifdef HAS_ISINF
2121# define Perl_isinf(x) isinf((NV)x)
a3540c92 2122# else
758a5d79
JH		 2123# ifdef Perl_fp_class_inf
2124# define Perl_isinf(x) Perl_fp_class_inf(x)
2125# else
2126# define Perl_isinf(x) ((x)==NV_INF)
2127# endif
2128# endif
2129#endif
2130
2131#ifndef Perl_isfinite
2132# ifdef HAS_FINITE
2133# define Perl_isfinite(x) finite((NV)x)
2134# else
2135# ifdef HAS_ISFINITE
2136# define Perl_isfinite(x) isfinite(x)
2137# else
2138# ifdef Perl_fp_class_finite
2139# define Perl_isfinite(x) Perl_fp_class_finite(x)
2140# else
2141# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2142# endif
2143# endif
a3540c92 2144# endif
65202027
DS		 2145#endif
2146
a36244b7
JH		 2147/* The default is to use Perl's own atof() implementation (in numeric.c).
2148 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2149 * it is however best to use the native implementation of atof.
2150 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2151 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2152 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2153 * you may need to be using a different function than atof! */
a36244b7
JH		 2154
2155#ifndef USE_PERL_ATOF
2156# ifndef _UNICOS
2157# define USE_PERL_ATOF
2158# endif
2159#else
2160# if USE_PERL_ATOF == 0
2161# undef USE_PERL_ATOF
2162# endif
2163#endif
2164
2165#ifdef USE_PERL_ATOF
2166# define Perl_atof(s) Perl_my_atof(s)
2167# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2168#else
2169# define Perl_atof(s) (NV)atof(s)
2170# define Perl_atof2(s, n) ((n) = atof(s))
2171#endif
cf2093f6 2172
d460ef45 2173/* Previously these definitions used hardcoded figures.
760ac839
LW		 2174 * It is hoped these formula are more portable, although
2175 * no data one way or another is presently known to me.
2176 * The "PERL_" names are used because these calculated constants
2177 * do not meet the ANSI requirements for LONG_MAX, etc., which
2178 * need to be constants acceptable to #if - kja
2179 * define PERL_LONG_MAX 2147483647L
2180 * define PERL_LONG_MIN (-LONG_MAX - 1)
2181 * define PERL ULONG_MAX 4294967295L
2182 */
2183
2184#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2185# include <limits.h>
760ac839 2186#endif
205f51d8
AS		 2187/* Included values.h above if necessary; still including limits.h down here,
2188 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2189
99abf803 2190/*
2191 * Try to figure out max and min values for the integral types. THE CORRECT
2192 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2193 * following hacks are used if neither limits.h or values.h provide them:
2194 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2195 * for types < int: (unsigned TYPE)~(unsigned)0
2196 * The argument to ~ must be unsigned so that later signed->unsigned
2197 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2198 * and it must not be smaller than int because ~ does integral promotion.
2199 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2200 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2201 * The latter is a hack which happens to work on some machines but
2202 * does *not* catch any random system, or things like integer types
2203 * with NaN if that is possible.
2204 *
2205 * All of the types are explicitly cast to prevent accidental loss of
2206 * numeric range, and in the hope that they will be less likely to confuse
2207 * over-eager optimizers.
2208 *
2209 */
27d4fb96 2210
99abf803 2211#define PERL_UCHAR_MIN ((unsigned char)0)
2212
2213#ifdef UCHAR_MAX
2214# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2215#else
99abf803 2216# ifdef MAXUCHAR
2217# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2218# else
99abf803 2219# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2220# endif
2221#endif
d460ef45 2222
99abf803 2223/*
2224 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2225 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2226 * depending on local options. Until Configure detects this (or at least
2227 * detects whether the "signed" keyword is available) the CHAR ranges
2228 * will not be included. UCHAR functions normally.
2229 * - kja
2230 */
27d4fb96 2231
99abf803 2232#define PERL_USHORT_MIN ((unsigned short)0)
2233
2234#ifdef USHORT_MAX
2235# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2236#else
99abf803 2237# ifdef MAXUSHORT
2238# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2239# else
ef2f54b0
CB		 2240# ifdef USHRT_MAX
2241# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2242# else
2243# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2244# endif
27d4fb96 2245# endif
2246#endif
2247
27d4fb96 2248#ifdef SHORT_MAX
99abf803 2249# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2250#else
2251# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2252# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2253# else
ef2f54b0
CB		 2254# ifdef SHRT_MAX
2255# define PERL_SHORT_MAX ((short)SHRT_MAX)
2256# else
2257# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2258# endif
27d4fb96 2259# endif
2260#endif
2261
2262#ifdef SHORT_MIN
99abf803 2263# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2264#else
2265# ifdef MINSHORT
99abf803 2266# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2267# else
ef2f54b0
CB		 2268# ifdef SHRT_MIN
2269# define PERL_SHORT_MIN ((short)SHRT_MIN)
2270# else
2271# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2272# endif
27d4fb96 2273# endif
2274#endif
2275
99abf803 2276#ifdef UINT_MAX
2277# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2278#else
99abf803 2279# ifdef MAXUINT
2280# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2281# else
99abf803 2282# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2283# endif
2284#endif
2285
99abf803 2286#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2287
2288#ifdef INT_MAX
99abf803 2289# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2290#else
2291# ifdef MAXINT /* Often used in <values.h> */
99abf803 2292# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2293# else
99abf803 2294# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2295# endif
2296#endif
2297
2298#ifdef INT_MIN
99abf803 2299# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2300#else
2301# ifdef MININT
99abf803 2302# define PERL_INT_MIN ((int)MININT)
27d4fb96 2303# else
2304# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2305# endif
2306#endif
2307
99abf803 2308#ifdef ULONG_MAX
2309# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2310#else
99abf803 2311# ifdef MAXULONG
2312# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2313# else
99abf803 2314# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2315# endif
2316#endif
2317
99abf803 2318#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2319
760ac839 2320#ifdef LONG_MAX
99abf803 2321# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2322#else
2323# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2324# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2325# else
99abf803 2326# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2327# endif
2328#endif
2329
2330#ifdef LONG_MIN
99abf803 2331# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2332#else
2333# ifdef MINLONG
99abf803 2334# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2335# else
27d4fb96 2336# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2337# endif
2338#endif
2339
d7d93a81 2340#ifdef UV_IS_QUAD
99abf803 2341
99abf803 2342# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2343# define PERL_UQUAD_MIN ((UV)0)
99abf803 2344# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2345# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2346
79072805
LW		 2347#endif
2348
22f7c9c9
JH		 2349#ifdef MYMALLOC
2350# include "malloc_ctl.h"
2351#endif
2352
830247a4 2353struct RExC_state_t;
8e11feef 2354struct _reg_trie_data;
880b20b6 2355
ee0007ab 2356typedef MEM_SIZE STRLEN;
450a55e4 2357
598921a7
NC		 2358#ifdef PERL_MAD
2359typedef struct token TOKEN;
2360typedef struct madprop MADPROP;
2361typedef struct nexttoken NEXTTOKE;
2362#endif
79072805
LW		 2363typedef struct op OP;
2364typedef struct cop COP;
2365typedef struct unop UNOP;
2366typedef struct binop BINOP;
2367typedef struct listop LISTOP;
2368typedef struct logop LOGOP;
79072805
LW		 2369typedef struct pmop PMOP;
2370typedef struct svop SVOP;
7934575e 2371typedef struct padop PADOP;
79072805 2372typedef struct pvop PVOP;
79072805
LW		 2373typedef struct loop LOOP;
2374
cd1541b2
NC		 2375typedef struct interpreter PerlInterpreter;
2376
d2b3f365
SS		 2377/* Amdahl's <ksync.h> has struct sv */
2378/* SGI's <sys/sema.h> has struct sv */
2379#if defined(UTS) || defined(__sgi)
2380# define STRUCT_SV perl_sv
b8d3c5db
JH		 2381#else
2382# define STRUCT_SV sv
2383#endif
2384typedef struct STRUCT_SV SV;
79072805
LW		 2385typedef struct av AV;
2386typedef struct hv HV;
2387typedef struct cv CV;
288b8c02 2388typedef struct regexp ORANGE; /* This is the body structure. */
d2f13c59 2389typedef struct p5rx REGEXP;
79072805 2390typedef struct gp GP;
0c30d9ec 2391typedef struct gv GV;
8990e307 2392typedef struct io IO;
c09156bb 2393typedef struct context PERL_CONTEXT;
79072805
LW		 2394typedef struct block BLOCK;
2395
2396typedef struct magic MAGIC;
2397typedef struct xpv XPV;
2398typedef struct xpviv XPVIV;
ff68c719 2399typedef struct xpvuv XPVUV;
79072805
LW		 2400typedef struct xpvnv XPVNV;
2401typedef struct xpvmg XPVMG;
2402typedef struct xpvlv XPVLV;
2403typedef struct xpvav XPVAV;
2404typedef struct xpvhv XPVHV;
2405typedef struct xpvgv XPVGV;
2406typedef struct xpvcv XPVCV;
2407typedef struct xpvbm XPVBM;
2408typedef struct xpvfm XPVFM;
8990e307 2409typedef struct xpvio XPVIO;
79072805
LW		 2410typedef struct mgvtbl MGVTBL;
2411typedef union any ANY;
5f7fde29
GS		 2412typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2413typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2414typedef struct clone_params CLONE_PARAMS;
2415
378cc40b 2416#include "handy.h"
a0d0e21e 2417
6b8eaf93 2418#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2419# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2420# define USE_64_BIT_RAWIO /* implicit */
2421# endif
4564133c
JH		 2422#endif
2423
6b8eaf93
JH		 2424/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2425 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2426 * however, because operating systems like to do that themself. */
2427#ifndef FSEEKSIZE
2428# ifdef HAS_FSEEKO
2429# define FSEEKSIZE LSEEKSIZE
2430# else
2431# define FSEEKSIZE LONGSIZE
d460ef45 2432# endif
6b8eaf93
JH		 2433#endif
2434
2435#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2436# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2437# define USE_64_BIT_STDIO /* implicit */
2438# endif
2439#endif
4564133c 2440
09458382 2441#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2442# ifdef HAS_OFF64_T
2443# undef Off_t
2444# define Off_t off64_t
2445# undef LSEEKSIZE
2446# define LSEEKSIZE 8
5ff3f7a4 2447# endif
d9b3e12d
JH		 2448/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2449 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2450 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2451# if defined(USE_OPEN64)
2452# define open open64
5ff3f7a4 2453# endif
d9b3e12d
JH		 2454# if defined(USE_LSEEK64)
2455# define lseek lseek64
6b8eaf93
JH		 2456# else
2457# if defined(USE_LLSEEK)
2458# define lseek llseek
2459# endif
d9b3e12d
JH		 2460# endif
2461# if defined(USE_STAT64)
2462# define stat stat64
2463# endif
2464# if defined(USE_FSTAT64)
2465# define fstat fstat64
2466# endif
2467# if defined(USE_LSTAT64)
2468# define lstat lstat64
2469# endif
2470# if defined(USE_FLOCK64)
2471# define flock flock64
2472# endif
2473# if defined(USE_LOCKF64)
2474# define lockf lockf64
2475# endif
2476# if defined(USE_FCNTL64)
2477# define fcntl fcntl64
2478# endif
2479# if defined(USE_TRUNCATE64)
2480# define truncate truncate64
2481# endif
2482# if defined(USE_FTRUNCATE64)
2483# define ftruncate ftruncate64
2484# endif
2485#endif
2486
2487#ifdef USE_64_BIT_STDIO
2488# ifdef HAS_FPOS64_T
2489# undef Fpos_t
2490# define Fpos_t fpos64_t
2491# endif
2492/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2493 * will trigger defines like the ones below. Some 64-bit environments,
2494 * however, do not. */
2495# if defined(USE_FOPEN64)
2496# define fopen fopen64
2497# endif
2498# if defined(USE_FSEEK64)
6b8eaf93 2499# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2500# endif
2501# if defined(USE_FTELL64)
6b8eaf93 2502# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2503# endif
2504# if defined(USE_FSETPOS64)
2505# define fsetpos fsetpos64
2506# endif
2507# if defined(USE_FGETPOS64)
2508# define fgetpos fgetpos64
2509# endif
2510# if defined(USE_TMPFILE64)
2511# define tmpfile tmpfile64
2512# endif
2513# if defined(USE_FREOPEN64)
2514# define freopen freopen64
5ff3f7a4
GS		 2515# endif
2516#endif
2517
af8b425d 2518#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2519# include "iperlsys.h"
2520#endif
2521
6f71a643 2522#if defined(__OPEN_VM)
19848b3f
JH		 2523# include "vmesa/vmesaish.h"
2524# define ISHISH "vmesa"
6f71a643
JH		 2525#endif
2526
748a9306 2527#ifdef DOSISH
19848b3f
JH		 2528# if defined(OS2)
2529# include "os2ish.h"
2530# else
2531# include "dosish.h"
2532# endif
2533# define ISHISH "dos"
2534#endif
2535
2536#if defined(VMS)
748a9306 2537# include "vmsish.h"
96e176bf 2538# include "embed.h"
eb8433b7
NC		 2539# ifndef PERL_MAD
2540# undef op_getmad
b3f24c00 2541# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2542# endif
19848b3f
JH		 2543# define ISHISH "vms"
2544#endif
2545
2546#if defined(PLAN9)
2547# include "./plan9/plan9ish.h"
2548# define ISHISH "plan9"
2549#endif
2550
2551#if defined(MPE)
2552# include "mpeix/mpeixish.h"
2553# define ISHISH "mpeix"
2554#endif
2555
2556#if defined(__VOS__)
196918b0
PG		 2557# ifdef __GNUC__
2558# include "./vos/vosish.h"
2559# else
2560# include "vos/vosish.h"
2561# endif
19848b3f
JH		 2562# define ISHISH "vos"
2563#endif
2564
2565#if defined(EPOC)
2566# include "epocish.h"
2567# define ISHISH "epoc"
2568#endif
2569
9969cdde 2570#ifdef __SYMBIAN32__
27da23d5
JH		 2571# include "symbian/symbianish.h"
2572# include "embed.h"
eb8433b7
NC		 2573# ifndef PERL_MAD
2574# undef op_getmad
b3f24c00 2575# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2576# endif
27da23d5
JH		 2577# define ISHISH "symbian"
2578#endif
2579
19848b3f
JH		 2580#if defined(MACOS_TRADITIONAL)
2581# include "macos/macish.h"
2582# ifndef NO_ENVIRON_ARRAY
2583# define NO_ENVIRON_ARRAY
0c30d9ec 2584# endif
19848b3f
JH		 2585# define ISHISH "macos classic"
2586#endif
2587
df00ff3b
IW		 2588#if defined(__HAIKU__)
2589# include "haiku/haikuish.h"
2590# define ISHISH "haiku"
2591#elif defined(__BEOS__)
efca5cc6
JH		 2592# include "beos/beosish.h"
2593# define ISHISH "beos"
2594#endif
2595
19848b3f
JH		 2596#ifndef ISHISH
2597# include "unixish.h"
2598# define ISHISH "unix"
13b6e58c
JH		 2599#endif
2600
2946a158
JH		 2601/* NSIG logic from Configure --> */
2602/* Strange style to avoid deeply-nested #if/#else/#endif */
2603#ifndef NSIG
2604# ifdef _NSIG
2605# define NSIG (_NSIG)
2606# endif
2607#endif
2608
2609#ifndef NSIG
2610# ifdef SIGMAX
2611# define NSIG (SIGMAX+1)
2612# endif
2613#endif
2614
2615#ifndef NSIG
2616# ifdef SIG_MAX
2617# define NSIG (SIG_MAX+1)
2618# endif
2619#endif
2620
2621#ifndef NSIG
2622# ifdef _SIG_MAX
2623# define NSIG (_SIG_MAX+1)
2624# endif
2625#endif
2626
2627#ifndef NSIG
2628# ifdef MAXSIG
2629# define NSIG (MAXSIG+1)
2630# endif
2631#endif
2632
2633#ifndef NSIG
2634# ifdef MAX_SIG
2635# define NSIG (MAX_SIG+1)
2636# endif
2637#endif
2638
2639#ifndef NSIG
2640# ifdef SIGARRAYSIZE
2641# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2642# endif
2643#endif
2644
2645#ifndef NSIG
2646# ifdef _sys_nsig
2647# define NSIG (_sys_nsig) /* Solaris 2.5 */
2648# endif
2649#endif
2650
2651/* Default to some arbitrary number that's big enough to get most
2652 of the common signals.
2653*/
2654#ifndef NSIG
2655# define NSIG 50
2656#endif
2657/* <-- NSIG logic from Configure */
2658
13b6e58c
JH		 2659#ifndef NO_ENVIRON_ARRAY
2660# define USE_ENVIRON_ARRAY
2661#endif
32f822de 2662
c77b533b
JH		 2663/*
2664 * initialise to avoid floating-point exceptions from overflow, etc
2665 */
2666#ifndef PERL_FPU_INIT
2667# ifdef HAS_FPSETMASK
2668# if HAS_FLOATINGPOINT_H
2669# include <floatingpoint.h>
2670# endif
ad3a8c67
NC		 2671/* Some operating systems have this as a macro, which in turn expands to a comma
2672 expression, and the last sub-expression is something that gets calculated,
2673 and then they have the gall to warn that a value computed is not used. Hence
2674 cast to void. */
2675# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2676# else
2f42fcb0 2677# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2678# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2679# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2680# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2681# else
2682# define PERL_FPU_INIT
2f42fcb0 2683
7014c407 2684# endif
c77b533b
JH		 2685# endif
2686#endif
b35112e7
CS		 2687#ifndef PERL_FPU_PRE_EXEC
2688# define PERL_FPU_PRE_EXEC {
2689# define PERL_FPU_POST_EXEC }
2690#endif
c77b533b 2691
cbec8ebe
DM		 2692#ifndef PERL_SYS_INIT3_BODY
2693# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2694#endif
2695
cbec8ebe
DM		 2696#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2697#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2698#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2699
be708cc0
JH		 2700#ifndef PERL_WRITE_MSG_TO_CONSOLE
2701# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2702#endif
2703
0f31cffe
GS		 2704#ifndef MAXPATHLEN
2705# ifdef PATH_MAX
b990c8b2
JH		 2706# ifdef _POSIX_PATH_MAX
2707# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2708/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2709 * included the null byte or not. Later amendments of POSIX,
2710 * XPG4, the Austin Group, and the Single UNIX Specification
2711 * all explicitly include the null byte in the PATH_MAX.
2712 * Ditto for _POSIX_PATH_MAX. */
2713# define MAXPATHLEN PATH_MAX
b990c8b2 2714# else
09448d78 2715# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2716# endif
2717# else
2718# define MAXPATHLEN (PATH_MAX+1)
2719# endif
0f31cffe 2720# else
b990c8b2 2721# ifdef _POSIX_PATH_MAX
09448d78 2722# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2723# else
2724# define MAXPATHLEN 1024 /* Err on the large side. */
2725# endif
0f31cffe
GS		 2726# endif
2727#endif
2728
c80263a8
SH		 2729/* In case Configure was not used (we are using a "canned config"
2730 * such as Win32, or a cross-compilation setup, for example) try going
2731 * by the gcc major and minor versions. One useful URL is
2732 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2733 * but contrary to this information warn_unused_result seems
2734 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2735 * Also, when building extensions with an installed perl, this allows
2736 * the user to upgrade gcc and get the right attributes, rather than
2737 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2738 * Set these up now otherwise we get confused when some of the <*thread.h>
2739 * includes below indirectly pull in <perlio.h> (which needs to know if we
2740 * have HASATTRIBUTE_FORMAT).
2741 */
2742
4d7c7898 2743#ifndef PERL_MICRO
fc2007d4 2744#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2745# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2746# define HASATTRIBUTE_DEPRECATED
2747# endif
c80263a8
SH		 2748# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2749# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2750# if defined __MINGW32__
2751# define PRINTF_FORMAT_NULL_OK
2752# endif
c80263a8
SH		 2753# endif
2754# if __GNUC__ >= 3 /* 3.0 -> */
2755# define HASATTRIBUTE_MALLOC
2756# endif
2757# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2758# define HASATTRIBUTE_NONNULL
2759# endif
2760# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2761# define HASATTRIBUTE_NORETURN
2762# endif
2763# if __GNUC__ >= 3 /* gcc 3.0 -> */
2764# define HASATTRIBUTE_PURE
2765# endif
42bf5550 2766# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2767# define HASATTRIBUTE_UNUSED
2768# endif
d324fe49
AD		 2769# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2770# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2771# endif
c80263a8
SH		 2772# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2773# define HASATTRIBUTE_WARN_UNUSED_RESULT
2774# endif
2775#endif
4d7c7898 2776#endif /* #ifndef PERL_MICRO */
c80263a8 2777
3db8f154 2778/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2779 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2780 * this results in many functions being undeclared which bothers C++
2781 * May make sense to have threads after "*ish.h" anyway
2782 */
2783
3db8f154 2784#if defined(USE_ITHREADS)
2986a63f
JH		 2785# ifdef NETWARE
2786# include <nw5thread.h>
2787# else
32f822de
GS		 2788# ifdef FAKE_THREADS
2789# include "fakethr.h"
2790# else
2791# ifdef WIN32
2792# include <win32thread.h>
2793# else
dd96f567
IZ		 2794# ifdef OS2
2795# include "os2thread.h"
2796# else
7f3d1cf1 2797# ifdef I_MACH_CTHREADS
bdd66968 2798# include <mach/cthreads.h>
8f1f23e8 2799# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2800# define MUTEX_INIT_CALLS_MALLOC
2801# endif
7f3d1cf1
BH		 2802typedef cthread_t perl_os_thread;
2803typedef mutex_t perl_mutex;
2804typedef condition_t perl_cond;
2805typedef void * perl_key;
2806# else /* Posix threads */
1f5ae88c
JH		 2807# ifdef I_PTHREAD
2808# include <pthread.h>
2809# endif
7f3d1cf1
BH		 2810typedef pthread_t perl_os_thread;
2811typedef pthread_mutex_t perl_mutex;
2812typedef pthread_cond_t perl_cond;
2813typedef pthread_key_t perl_key;
2814# endif /* I_MACH_CTHREADS */
dd96f567 2815# endif /* OS2 */
32f822de
GS		 2816# endif /* WIN32 */
2817# endif /* FAKE_THREADS */
2986a63f 2818#endif /* NETWARE */
3db8f154 2819#endif /* USE_ITHREADS */
c5be433b 2820
66a93824 2821#if defined(WIN32)
1feb2720 2822# include "win32.h"
c5be433b
GS		 2823#endif
2824
2986a63f
JH		 2825#ifdef NETWARE
2826# include "netware.h"
2827#endif
2828
e5218da5 2829#define STATUS_UNIX PL_statusvalue
68dc0745 2830#ifdef VMS
6b88bc9c 2831# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2832/*
2833 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2834 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2835 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2836 * be updated also.
2837 */
2838# include <stsdef.h>
2839# include <ssdef.h>
2840/* Presume this because if VMS changes it, it will require a new
2841 * set of APIs for waiting on children for binary compatibility.
2842 */
2843# define child_offset_bits (8)
2844# ifndef C_FAC_POSIX
2845# define C_FAC_POSIX 0x35A000
2846# endif
2847
2848/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2849 * platform from the existing UNIX or Native status values.
2850 */
2851
37038d91 2852# define STATUS_EXIT \
7a7fd8e0
JM		 2853 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2854 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2855
7a7fd8e0 2856
fb38d079
JM		 2857/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2858 * exit code and shifts the UNIX value over the correct number of bits to
2859 * be a child status. Usually the number of bits is 8, but that could be
2860 * platform dependent. The NATIVE status code is presumed to have either
2861 * from a child process.
7a7fd8e0
JM		 2862 */
2863
fb38d079
JM		 2864/* This is complicated. The child processes return a true native VMS
2865 status which must be saved. But there is an assumption in Perl that
2866 the UNIX child status has some relationship to errno values, so
2867 Perl tries to translate it to text in some of the tests.
2868 In order to get the string translation correct, for the error, errno
2869 must be EVMSERR, but that generates a different text message
2870 than what the test programs are expecting. So an errno value must
2871 be derived from the native status value when an error occurs.
2872 That will hide the true native status message. With this version of
2873 perl, the true native child status can always be retrieved so that
2874 is not a problem. But in this case, Pl_statusvalue and errno may
2875 have different values in them.
2876 */
7a7fd8e0 2877
fb38d079 2878# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2879 STMT_START { \
2fbb330f
JM		 2880 I32 evalue = (I32)n; \
2881 if (evalue == EVMSERR) { \
2882 PL_statusvalue_vms = vaxc$errno; \
2883 PL_statusvalue = evalue; \
7a7fd8e0 2884 } else { \
2fbb330f 2885 PL_statusvalue_vms = evalue; \
fb38d079 2886 if (evalue == -1) { \
3280af22 2887 PL_statusvalue = -1; \
7a7fd8e0
JM		 2888 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2889 } else \
fb38d079 2890 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2891 set_vaxc_errno(evalue); \
fb38d079
JM		 2892 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2893 set_errno(EVMSERR); \
2894 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2895 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2896 } \
68dc0745 2897 } STMT_END
7a7fd8e0 2898
68dc0745 2899# ifdef VMSISH_STATUS
e5218da5 2900# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2901# else
e5218da5 2902# define STATUS_CURRENT STATUS_UNIX
68dc0745 2903# endif
7a7fd8e0
JM		 2904
2905 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2906 * the NATIVE status to an equivalent value. Can not be used to translate
2907 * exit code values as exit code values are not guaranteed to have any
2908 * relationship at all to errno values.
2909 * This is used when Perl is forcing errno to have a specific value.
2910 */
e5218da5 2911# define STATUS_UNIX_SET(n) \
68dc0745 2912 STMT_START { \
7a7fd8e0 2913 I32 evalue = (I32)n; \
0968cdad 2914 PL_statusvalue = evalue; \
3280af22 2915 if (PL_statusvalue != -1) { \
0968cdad
JM		 2916 if (PL_statusvalue != EVMSERR) { \
2917 PL_statusvalue &= 0xFFFF; \
2918 if (MY_POSIX_EXIT) \
2919 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2920 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2921 } \
2922 else { \
2923 PL_statusvalue_vms = vaxc$errno; \
2924 } \
68dc0745 2925 } \
0968cdad
JM		 2926 else PL_statusvalue_vms = SS$_ABORT; \
2927 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2928 } STMT_END
2929
2930 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2931 * the NATIVE error status based on it. It does not assume that
fb38d079
JM		 2932 * the UNIX/POSIX exit codes have any relationship to errno, except
2933 * that 0 indicates a success. When in the default mode to comply
6ac6a52b
JM		 2934 * with the Perl VMS documentation, any other code sets the NATIVE
2935 * status to a failure code of SS$_ABORT.
fb38d079
JM		 2936 *
2937 * In the new POSIX EXIT mode, native status will be set so that the
2938 * actual exit code will can be retrieved by the calling program or
2939 * shell.
2940 *
2941 * If the exit code is not clearly a UNIX parent or child exit status,
2942 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2943 */
2944
fb38d079 2945# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2946 STMT_START { \
2947 I32 evalue = (I32)n; \
2948 PL_statusvalue = evalue; \
fb38d079
JM		 2949 if (evalue != -1) { \
2950 if (evalue <= 0xFF00) { \
2951 if (evalue > 0xFF) \
2952 evalue = (evalue >> child_offset_bits) & 0xFF; \
2953 if (evalue == 0) \
2954 PL_statusvalue_vms == SS$_NORMAL; \
2955 else \
2956 if (MY_POSIX_EXIT) \
1a3aec58
JM		 2957 PL_statusvalue_vms = \
2958 (C_FAC_POSIX | (evalue << 3 ) | \
2959 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
0968cdad 2960 else \
6ac6a52b 2961 PL_statusvalue_vms = SS$_ABORT; \
fb38d079
JM		 2962 } else { /* forgive them Perl, for they have sinned */ \
2963 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2964 else PL_statusvalue_vms = vaxc$errno; \
2965 /* And obviously used a VMS status value instead of UNIX */ \
2966 PL_statusvalue = EVMSERR; \
2967 } \
7a7fd8e0
JM		 2968 } \
2969 else PL_statusvalue_vms = SS$_ABORT; \
2970 set_vaxc_errno(PL_statusvalue_vms); \
68dc0745 2971 } STMT_END
fb38d079 2972
6ac6a52b
JM		 2973 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2974 * and sets the NATIVE error status based on it. This special case
2975 * is needed to maintain compatibility with past VMS behavior.
2976 *
2977 * In the default mode on VMS, this number is passed through as
2978 * both the NATIVE and UNIX status. Which makes it different
2979 * that the STATUS_UNIX_EXIT_SET.
2980 *
2981 * In the new POSIX EXIT mode, native status will be set so that the
2982 * actual exit code will can be retrieved by the calling program or
2983 * shell.
2984 *
1a3aec58
JM		 2985 * A POSIX exit code is from 0 to 255. If the exit code is higher
2986 * than this, it needs to be assumed that it is a VMS exit code and
2987 * passed through.
6ac6a52b
JM		 2988 */
2989
2990# define STATUS_EXIT_SET(n) \
2991 STMT_START { \
2992 I32 evalue = (I32)n; \
2993 PL_statusvalue = evalue; \
2994 if (MY_POSIX_EXIT) \
1a3aec58
JM		 2995 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
2996 PL_statusvalue_vms = \
2997 (C_FAC_POSIX | (evalue << 3 ) | \
2998 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 2999 else \
3000 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3001 set_vaxc_errno(PL_statusvalue_vms); \
3002 } STMT_END
3003
fb38d079
JM		 3004
3005 /* This macro forces a success status */
7a7fd8e0
JM		 3006# define STATUS_ALL_SUCCESS \
3007 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 3008
3009 /* This macro forces a failure status */
7a7fd8e0
JM		 3010# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3011 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3012 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3013
68dc0745 3014#else
e5218da5 3015# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3016# if defined(WCOREDUMP)
37038d91 3017# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3018 STMT_START { \
3019 PL_statusvalue_posix = (n); \
3020 if (PL_statusvalue_posix == -1) \
3021 PL_statusvalue = -1; \
3022 else { \
3023 PL_statusvalue = \
3024 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3025 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3026 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3027 } \
3028 } STMT_END
3029# elif defined(WIFEXITED)
37038d91 3030# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3031 STMT_START { \
3032 PL_statusvalue_posix = (n); \
3033 if (PL_statusvalue_posix == -1) \
3034 PL_statusvalue = -1; \
3035 else { \
3036 PL_statusvalue = \
3037 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3038 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3039 } \
3040 } STMT_END
3041# else
37038d91 3042# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3043 STMT_START { \
3044 PL_statusvalue_posix = (n); \
3045 if (PL_statusvalue_posix == -1) \
3046 PL_statusvalue = -1; \
3047 else { \
3048 PL_statusvalue = \
3049 PL_statusvalue_posix & 0xFFFF; \
3050 } \
3051 } STMT_END
3052# endif
3053# define STATUS_UNIX_SET(n) \
68dc0745 3054 STMT_START { \
3280af22
NIS		 3055 PL_statusvalue = (n); \
3056 if (PL_statusvalue != -1) \
3057 PL_statusvalue &= 0xFFFF; \
68dc0745 3058 } STMT_END
7a7fd8e0 3059# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3060# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3061# define STATUS_CURRENT STATUS_UNIX
37038d91 3062# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3063# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3064# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3065#endif
3066
cc3604b1
GS		 3067/* flags in PL_exit_flags for nature of exit() */
3068#define PERL_EXIT_EXPECTED 0x01
31d77e54 3069#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3070
0b94c7bb 3071#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 3072# define MEMBER_TO_FPTR(name) name
3073#endif
3074
3075/* format to use for version numbers in file/directory names */
273cf8d1 3076/* XXX move to Configure? */
a7cb1f99 3077#ifndef PERL_FS_VER_FMT
273cf8d1 3078# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 3079#endif
3080
45bc9206 3081/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3082 * performance issue, so we allow people to disable it. Also, if
3083 * we are using stdio, there are broken implementations of fflush(NULL)
3084 * out there, Solaris being the most prominent.
45bc9206
GS		 3085 */
3086#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3087# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3088# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3089# else
3090# ifdef FFLUSH_ALL
3091# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3092# else
c5be433b 3093# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3094# endif
66fe083f 3095# endif
45bc9206
GS		 3096#endif
3097
7766f137
GS		 3098#ifndef PERL_WAIT_FOR_CHILDREN
3099# define PERL_WAIT_FOR_CHILDREN NOOP
3100#endif
3101
ba869deb 3102/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3103#ifndef PERL_SET_INTERP
3104# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3105#endif
3106
3107#ifndef PERL_GET_INTERP
3108# define PERL_GET_INTERP (PL_curinterp)
3109#endif
3110
54aff467 3111#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3112# ifdef MULTIPLICITY
ba869deb 3113# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3114# endif
ba869deb
GS		 3115# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3116#endif
3117
8896765a
RB		 3118/*
3119 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3120 All that is required is that the perl source does not
8896765a
RB		 3121 use "%-p" or "%-<number>p" or "%<number>p" formats.
3122 These formats will still work in perl code.
3123 See comments in sv.c for futher details.
3124
8896765a 3125 Robin Barker 2005-07-14
f46d31f2
RB		 3126
3127 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3128*/
8896765a
RB		 3129
3130#ifndef SVf_
63ce7bf0 3131# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3132#endif
3133
8896765a 3134#ifndef SVf
104abab4 3135# define SVf "-p"
d2560b70
RB		 3136#endif
3137
014ead4b 3138#ifndef SVf32
8896765a 3139# define SVf32 SVf_(32)
014ead4b
RB		 3140#endif
3141
3142#ifndef SVf256
8896765a
RB		 3143# define SVf256 SVf_(256)
3144#endif
3145
be2597df
MHM		 3146#define SVfARG(p) ((void*)(p))
3147
f46d31f2
RB		 3148#ifdef PERL_CORE
3149/* not used; but needed for backward compatibilty with XS code? - RMB */
3150# undef VDf
3151#else
3152# ifndef VDf
8896765a
RB		 3153# define VDf "vd"
3154# endif
014ead4b 3155#endif
170cd9e9
NC		 3156
3157#ifdef PERL_CORE
f5992bc4 3158/* not used; but needed for backward compatibilty with XS code? - RMB */
7776bb98
RB		 3159# undef UVf
3160#else
170cd9e9
NC		 3161# ifndef UVf
3162# define UVf UVuf
3163# endif
d2560b70
RB		 3164#endif
3165
fcdf39cf
RGS		 3166#ifdef HASATTRIBUTE_DEPRECATED
3167# define __attribute__deprecated__ __attribute__((deprecated))
3168#endif
0dbb1585
AL		 3169#ifdef HASATTRIBUTE_FORMAT
3170# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3171#endif
3172#ifdef HASATTRIBUTE_MALLOC
77785eea 3173# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3174#endif
0dbb1585 3175#ifdef HASATTRIBUTE_NONNULL
abb2c242 3176# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3177#endif
0dbb1585 3178#ifdef HASATTRIBUTE_NORETURN
abb2c242 3179# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3180#endif
0dbb1585 3181#ifdef HASATTRIBUTE_PURE
abb2c242 3182# define __attribute__pure__ __attribute__((pure))
f22be1b8 3183#endif
0dbb1585
AL		 3184#ifdef HASATTRIBUTE_UNUSED
3185# define __attribute__unused__ __attribute__((unused))
3186#endif
3187#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3188# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3189#endif
3190
0dbb1585 3191/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3192#ifndef __attribute__deprecated__
3193# define __attribute__deprecated__
3194#endif
0dbb1585
AL		 3195#ifndef __attribute__format__
3196# define __attribute__format__(x,y,z)
3197#endif
f22be1b8 3198#ifndef __attribute__malloc__
abb2c242 3199# define __attribute__malloc__
f22be1b8
JH		 3200#endif
3201#ifndef __attribute__nonnull__
abb2c242 3202# define __attribute__nonnull__(a)
f22be1b8
JH		 3203#endif
3204#ifndef __attribute__noreturn__
abb2c242 3205# define __attribute__noreturn__
f22be1b8
JH		 3206#endif
3207#ifndef __attribute__pure__
abb2c242 3208# define __attribute__pure__
f22be1b8 3209#endif
0dbb1585
AL		 3210#ifndef __attribute__unused__
3211# define __attribute__unused__
3212#endif
f22be1b8 3213#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3214# define __attribute__warn_unused_result__
3215#endif
3216
0dbb1585
AL		 3217/* For functions that are marked as __attribute__noreturn__, it's not
3218 appropriate to call return. In either case, include the lint directive.
3219 */
3220#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3221# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3222#else
b37c2d43 3223# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH		 3224#endif
3225
cdfeb707
RB		 3226/* Some OS warn on NULL format to printf */
3227#ifdef PRINTF_FORMAT_NULL_OK
3228# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3229#else
3230# define __attribute__format__null_ok__(x,y,z)
3231#endif
3232
635aebb7 3233#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3234# define EXPECT(expr,val) __builtin_expect(expr,val)
3235#else
3236# define EXPECT(expr,val) (expr)
3237#endif
3238#define LIKELY(cond) EXPECT(cond,1)
3239#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3240#ifdef HAS_BUILTIN_CHOOSE_EXPR
3241/* placeholder */
3242#endif
b37c2d43 3243
3fc1aec6 3244/* Some unistd.h's give a prototype for pause() even though
3245 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3246 below to be rejected by the compiler. Sigh.
3fc1aec6 3247*/
3248#ifdef HAS_PAUSE
3249#define Pause pause
3250#else
3251#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3252#endif
3253
3254#ifndef IOCPARM_LEN
3255# ifdef IOCPARM_MASK
61f1c44b 3256 /* on BSDish systems we're safe */
748a9306
LW		 3257# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3258# else
61f1c44b 3259# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3260 /* on Linux systems we're safe; except when we're not [perl #38223] */
3261# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3262# else
748a9306 3263 /* otherwise guess at what's safe */
61f1c44b
JVD		 3264# define IOCPARM_LEN(x) 256
3265# endif
748a9306 3266# endif
a0d0e21e
LW		 3267#endif
3268
1761cee5 3269#if defined(__CYGWIN__)
521e0776
GS		 3270/* USEMYBINMODE
3271 * This symbol, if defined, indicates that the program should
16fe6d59 3272 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3273 * that a file is in "binary" mode -- that is, that no translation
3274 * of bytes occurs on read or write operations.
3275 */
36894f0b 3276# define USEMYBINMODE /**/
77a40698 3277# include <io.h> /* for setmode() prototype */
16fe6d59 3278# define my_binmode(fp, iotype, mode) \
77a40698 3279 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3280#endif
3281
88d10794
JH		 3282#ifdef __CYGWIN__
3283void init_os_extras(void);
3284#endif
3285
cea2e8a9
GS		 3286#ifdef UNION_ANY_DEFINITION
3287UNION_ANY_DEFINITION;
3288#else
3289union any {
3290 void* any_ptr;
3291 I32 any_i32;
3292 IV any_iv;
3293 long any_long;
9febdf04 3294 bool any_bool;
c76ac1ee 3295 void (*any_dptr) (void*);
acfe0abc 3296 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3297};
3298#endif
3299
acfe0abc 3300typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3301
3302#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3303#define FILTER_DATA(idx) \
3304 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3305#define FILTER_ISREADER(idx) \
3306 (PL_parser && PL_parser->rsfp_filters \
3307 && idx >= AvFILLp(PL_parser->rsfp_filters))
3308#define PERL_FILTER_EXISTS(i) \
3309 (PL_parser && PL_parser->rsfp_filters \
3310 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3311
c5078cac
JH		 3312#if defined(_AIX) && !defined(_AIX43)
3313#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3314/* We cannot include <crypt.h> to get the struct crypt_data
3315 * because of setkey prototype problems when threading */
3316typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3317 /* From OSF, Not needed in AIX
3318 char C[28], D[28];
3319 */
3320 char E[48];
3321 char KS[16][48];
3322 char block[66];
3323 char iobuf[16];
3324} CRYPTD;
3325#endif /* threading */
3326#endif /* AIX */
3327
af8b425d 3328#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 3329# include "iperlsys.h"
3330#endif
504f80c1 3331
9c12f1e5
RGS		 3332#ifdef __LIBCATAMOUNT__
3333#undef HAS_PASSWD /* unixish.h but not unixish enough. */
3334#undef HAS_GROUP
3335#define FAKE_BIT_BUCKET
3336#endif
3337
d10dc2ae
JH		 3338/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3339 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3340 * defined by Configure, despite their names being similar to the
3341 * other defines like USE_ITHREADS. Configure in fact knows nothing
3342 * about the randomised hashes. Therefore to enable/disable the hash
3343 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3344#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3345# define USE_HASH_SEED
504f80c1
JH		 3346#endif
3347
598921a7
NC		 3348/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3349 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3350 * it's not really needed.
3351 */
3352#if defined(WIN32)
3353# define YYTOKENTYPE
3354#endif
3355#include "perly.h"
3356
3357#ifdef PERL_MAD
3358struct nexttoken {
3359 YYSTYPE next_val; /* value of next token, if any */
3360 I32 next_type; /* type of next token */
3361 MADPROP *next_mad; /* everything else about that token */
3362};
3363#endif
3364
654eccd5
JD		 3365/* macros to define bit-fields in structs. */
3366#ifndef PERL_BITFIELD8
3367# define PERL_BITFIELD8 unsigned
3368#endif
3369#ifndef PERL_BITFIELD16
3370# define PERL_BITFIELD16 unsigned
3371#endif
3372#ifndef PERL_BITFIELD32
3373# define PERL_BITFIELD32 unsigned
3374#endif
3375
79072805 3376#include "sv.h"
288b8c02 3377#include "regexp.h"
378cc40b 3378#include "util.h"
8d063cd8 3379#include "form.h"
79072805 3380#include "gv.h"
dd2155a4 3381#include "pad.h"
79072805 3382#include "cv.h"
abdd5c84 3383#include "opnames.h"
79072805 3384#include "op.h"
b3ca2e83 3385#include "hv.h"
79072805
LW		 3386#include "cop.h"
3387#include "av.h"
79072805
LW		 3388#include "mg.h"
3389#include "scope.h"
4438c4b7 3390#include "warnings.h"
a0ed51b3 3391#include "utf8.h"
8d063cd8 3392
20f4945e
MHM		 3393/* defined in sv.c, but also used in [ach]v.c */
3394#undef _XPV_ALLOCATED_HEAD
3395#undef _XPV_HEAD
3396#undef _XPVMG_HEAD
3397#undef _XPVCV_COMMON
7fae4e64
GS		 3398
3399typedef struct _sublex_info SUBLEXINFO;
3400struct _sublex_info {
651b5b28
NC		 3401 U8 super_state; /* lexer state to save */
3402 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3403 OP *sub_op; /* "lex_op" to use */
f06b5848
DM		 3404 char *super_bufptr; /* PL_parser->bufptr that was */
3405 char *super_bufend; /* PL_parser->bufend that was */
7fae4e64
GS		 3406};
3407
199e78b7
DM		 3408#include "parser.h"
3409
455ece5e 3410typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3411
2c2d71f5 3412struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3413struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3414
6f51351d
NC		 3415/* Keep next first in this structure, because sv_free_arenas take
3416 advantage of this to share code between the pte arenas and the SV
3417 body arenas */
5f7fde29
GS		 3418struct ptr_tbl_ent {
3419 struct ptr_tbl_ent* next;
53c1dcc0 3420 const void* oldval;
5f7fde29 3421 void* newval;
d18c6117
GS		 3422};
3423
5f7fde29
GS		 3424struct ptr_tbl {
3425 struct ptr_tbl_ent** tbl_ary;
3426 UV tbl_max;
3427 UV tbl_items;
d18c6117
GS		 3428};
3429
450a55e4 3430#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3431# define I286
3432#endif
3433
fe14fcc3
LW		 3434#if defined(htonl) && !defined(HAS_HTONL)
3435#define HAS_HTONL
ae986130 3436#endif
fe14fcc3
LW		 3437#if defined(htons) && !defined(HAS_HTONS)
3438#define HAS_HTONS
ae986130 3439#endif
fe14fcc3
LW		 3440#if defined(ntohl) && !defined(HAS_NTOHL)
3441#define HAS_NTOHL
ae986130 3442#endif
fe14fcc3
LW		 3443#if defined(ntohs) && !defined(HAS_NTOHS)
3444#define HAS_NTOHS
ae986130 3445#endif
fe14fcc3 3446#ifndef HAS_HTONL
d9d8d8de 3447#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3448#define HAS_HTONS
3449#define HAS_HTONL
3450#define HAS_NTOHS
3451#define HAS_NTOHL
a687059c
LW		 3452#define MYSWAP
3453#define htons my_swap
3454#define htonl my_htonl
3455#define ntohs my_swap
3456#define ntohl my_ntohl
3457#endif
3458#else
d9d8d8de 3459#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3460#undef HAS_HTONS
3461#undef HAS_HTONL
3462#undef HAS_NTOHS
3463#undef HAS_NTOHL
a687059c
LW		 3464#endif
3465#endif
3466
988174c1
LW		 3467/*
3468 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3469 * -DWS
3470 */
3471#if BYTEORDER != 0x1234
3472# define HAS_VTOHL
3473# define HAS_VTOHS
3474# define HAS_HTOVL
3475# define HAS_HTOVS
c67712b2 3476# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3477# define vtohl(x) ((((x)&0xFF)<<24) \
3478 +(((x)>>24)&0xFF) \
3479 +(((x)&0x0000FF00)<<8) \
3480 +(((x)&0x00FF0000)>>8) )
3481# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3482# define htovl(x) vtohl(x)
3483# define htovs(x) vtohs(x)
3484# endif
3485 /* otherwise default to functions in util.c */
2a8c3029 3486#ifndef htovs
c623ac67
GS		 3487short htovs(short n);
3488short vtohs(short n);
3489long htovl(long n);
3490long vtohl(long n);
988174c1 3491#endif
2a8c3029 3492#endif
988174c1 3493
3bb7c1b4
JH		 3494/* *MAX Plus 1. A floating point value.
3495 Hopefully expressed in a way that dodgy floating point can't mess up.
3496 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3497 is added to it
3498 May find that some broken compiler will want the value cast to I32.
3499 [after the shift, as signed >> may not be as secure as unsigned >>]
3500*/
3501#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3502#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3503/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3504 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3505 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3506*/
3507#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3508
3bb7c1b4
JH		 3509#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3510#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3511#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3512
3513/* This may look like unnecessary jumping through hoops, but converting
3514 out of range floating point values to integers *is* undefined behaviour,
3515 and it is starting to bite.
3516*/
3517#ifndef CAST_INLINE
65202027 3518#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3519#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3520#define I_V(what) (cast_iv((NV)(what)))
3521#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3522#else
3523#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3524 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3525 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3526#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3527 : ((n) < U32_MAX_P1 ? (U32) (n) \
3528 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3529#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3530 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3531 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3532#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3533 : ((n) < UV_MAX_P1 ? (UV) (n) \
3534 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3535#endif
3536
3537#define U_S(what) ((U16)U_32(what))
3538#define U_I(what) ((unsigned int)U_32(what))
3539#define U_L(what) U_32(what)
ed6116ce 3540
ed140128
AD		 3541#ifdef HAS_SIGNBIT
3542# define Perl_signbit signbit
3543#endif
3544
2d4389e4
JH		 3545/* These do not care about the fractional part, only about the range. */
3546#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3547#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3548
25da4f38
IZ		 3549/* Used with UV/IV arguments: */
3550 /* XXXX: need to speed it up */
3551#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3552#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3553
352d5a3a
LW		 3554#ifndef MAXSYSFD
3555# define MAXSYSFD 2
3556#endif
ee0007ab 3557
79072805 3558#ifndef __cplusplus
27da23d5 3559#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3560Uid_t getuid (void);
3561Uid_t geteuid (void);
3562Gid_t getgid (void);
3563Gid_t getegid (void);
79072805 3564#endif
e1caacb4 3565#endif
8d063cd8 3566
0c30d9ec 3567#ifndef Perl_debug_log
bf49b057
GS		 3568# define Perl_debug_log PerlIO_stderr()
3569#endif
3570
3571#ifndef Perl_error_log
3572# define Perl_error_log (PL_stderrgv \
6b78add2 3573 && isGV(PL_stderrgv) \
01bb7c6d 3574 && GvIOp(PL_stderrgv) \
42de951c 3575 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3576 ? IoOFP(GvIOp(PL_stderrgv)) \
3577 : PerlIO_stderr())
0c30d9ec 3578#endif
3967c732 3579
aea4f609
DM		 3580
3581#define DEBUG_p_FLAG 0x00000001 /* 1 */
3582#define DEBUG_s_FLAG 0x00000002 /* 2 */
3583#define DEBUG_l_FLAG 0x00000004 /* 4 */
3584#define DEBUG_t_FLAG 0x00000008 /* 8 */
3585#define DEBUG_o_FLAG 0x00000010 /* 16 */
3586#define DEBUG_c_FLAG 0x00000020 /* 32 */
3587#define DEBUG_P_FLAG 0x00000040 /* 64 */
3588#define DEBUG_m_FLAG 0x00000080 /* 128 */
3589#define DEBUG_f_FLAG 0x00000100 /* 256 */
3590#define DEBUG_r_FLAG 0x00000200 /* 512 */
3591#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3592#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3593/* U is reserved for Unofficial, exploratory hacking */
3594#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3595#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3596#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3597#define DEBUG_D_FLAG 0x00008000 /* 32768 */
d2c25739 3598/* 0x00010000 is unused, used to be S */
aea4f609 3599#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3600#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3601#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3602#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3603#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3604#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3605#define DEBUG_q_FLAG 0x00800000 /*8388608 */
d2c25739 3606#define DEBUG_MASK 0x00FEEFFF /* mask of all the standard flags */
aea4f609
DM		 3607
3608#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3609#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3610 that something was done? */
aea4f609 3611
bd16a5f0
IZ		 3612# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3613# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3614# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3615# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3616# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3617# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3618# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3619# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3620# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3621# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3622# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3623# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3624# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3625# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3626# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3627# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
bd16a5f0
IZ		 3628# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3629# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3630# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3631# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3632# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3633# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3634# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3635# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3636# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3637
3967c732 3638#ifdef DEBUGGING
aea4f609 3639
bd16a5f0
IZ		 3640# define DEBUG_p_TEST DEBUG_p_TEST_
3641# define DEBUG_s_TEST DEBUG_s_TEST_
3642# define DEBUG_l_TEST DEBUG_l_TEST_
3643# define DEBUG_t_TEST DEBUG_t_TEST_
3644# define DEBUG_o_TEST DEBUG_o_TEST_
3645# define DEBUG_c_TEST DEBUG_c_TEST_
3646# define DEBUG_P_TEST DEBUG_P_TEST_
3647# define DEBUG_m_TEST DEBUG_m_TEST_
3648# define DEBUG_f_TEST DEBUG_f_TEST_
3649# define DEBUG_r_TEST DEBUG_r_TEST_
3650# define DEBUG_x_TEST DEBUG_x_TEST_
3651# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3652# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3653# define DEBUG_H_TEST DEBUG_H_TEST_
3654# define DEBUG_X_TEST DEBUG_X_TEST_
3655# define DEBUG_D_TEST DEBUG_D_TEST_
bd16a5f0
IZ		 3656# define DEBUG_T_TEST DEBUG_T_TEST_
3657# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3658# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3659# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3660# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3661# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3662# define DEBUG_q_TEST DEBUG_q_TEST_
7949c6f5
JC		 3663# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3664# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
aea4f609 3665
488b0c7a
JH		 3666# define PERL_DEB(a) a
3667# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3668# define DEBUG_p(a) if (DEBUG_p_TEST) a
3669# define DEBUG_s(a) if (DEBUG_s_TEST) a
3670# define DEBUG_l(a) if (DEBUG_l_TEST) a
3671# define DEBUG_t(a) if (DEBUG_t_TEST) a
3672# define DEBUG_o(a) if (DEBUG_o_TEST) a
3673# define DEBUG_c(a) if (DEBUG_c_TEST) a
3674# define DEBUG_P(a) if (DEBUG_P_TEST) a
3675
969058bb
VK		 3676 /* Temporarily turn off memory debugging in case the a
3677 * does memory allocation, either directly or indirectly. */
acfe0abc 3678# define DEBUG_m(a) \
0b250b9e 3679 STMT_START { \
aea4f609 3680 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3681 } STMT_END
aea4f609 3682
5f80b19c
AMS		 3683# define DEBUG__(t, a) \
3684 STMT_START { \
3685 if (t) STMT_START {a;} STMT_END; \
3686 } STMT_END
3687
3688# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3689#ifndef PERL_EXT_RE_BUILD
5f80b19c 3690# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3691#else
3692# define DEBUG_r(a) STMT_START {a;} STMT_END
3693#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3694# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3695# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3696# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3697# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3698# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3699# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3700# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3701# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
aea4f609 3702
5f80b19c
AMS		 3703# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3704# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3705# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3706# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3707# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3708# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 3709
3710#else /* DEBUGGING */
3711
3712# define DEBUG_p_TEST (0)
3713# define DEBUG_s_TEST (0)
3714# define DEBUG_l_TEST (0)
3715# define DEBUG_t_TEST (0)
3716# define DEBUG_o_TEST (0)
3717# define DEBUG_c_TEST (0)
3718# define DEBUG_P_TEST (0)
3719# define DEBUG_m_TEST (0)
3720# define DEBUG_f_TEST (0)
3721# define DEBUG_r_TEST (0)
3722# define DEBUG_x_TEST (0)
3723# define DEBUG_u_TEST (0)
88d2d28a 3724# define DEBUG_U_TEST (0)
aea4f609
DM		 3725# define DEBUG_H_TEST (0)
3726# define DEBUG_X_TEST (0)
3727# define DEBUG_D_TEST (0)
aea4f609 3728# define DEBUG_T_TEST (0)
04932ac8 3729# define DEBUG_R_TEST (0)
1045810a 3730# define DEBUG_J_TEST (0)
d6721266 3731# define DEBUG_v_TEST (0)
46187eeb 3732# define DEBUG_C_TEST (0)
ecae49c0
NC		 3733# define DEBUG_A_TEST (0)
3734# define DEBUG_q_TEST (0)
7949c6f5
JC		 3735# define DEBUG_Xv_TEST (0)
3736# define DEBUG_Uv_TEST (0)
aea4f609 3737
488b0c7a
JH		 3738# define PERL_DEB(a)
3739# define PERL_DEBUG(a)
aea4f609
DM		 3740# define DEBUG_p(a)
3741# define DEBUG_s(a)
3742# define DEBUG_l(a)
3743# define DEBUG_t(a)
3744# define DEBUG_o(a)
3745# define DEBUG_c(a)
3746# define DEBUG_P(a)
3747# define DEBUG_m(a)
3748# define DEBUG_f(a)
3749# define DEBUG_r(a)
3750# define DEBUG_x(a)
3751# define DEBUG_u(a)
88d2d28a 3752# define DEBUG_U(a)
aea4f609
DM		 3753# define DEBUG_H(a)
3754# define DEBUG_X(a)
3755# define DEBUG_D(a)
aea4f609 3756# define DEBUG_T(a)
04932ac8 3757# define DEBUG_R(a)
d6721266 3758# define DEBUG_v(a)
46187eeb 3759# define DEBUG_C(a)
ecae49c0
NC		 3760# define DEBUG_A(a)
3761# define DEBUG_q(a)
7949c6f5
JC		 3762# define DEBUG_Xv(a)
3763# define DEBUG_Uv(a)
aea4f609
DM		 3764#endif /* DEBUGGING */
3765
3766
b4ab917c
DM		 3767#define DEBUG_SCOPE(where) \
3768 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3769 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM		 3770
3771
3772
3773
d1be9408 3774/* These constants should be used in preference to raw characters
14befaf4
DM		 3775 * when using magic. Note that some perl guts still assume
3776 * certain character properties of these constants, namely that
3777 * isUPPER() and toLOWER() may do useful mappings.
3778 *
3779 * Update the magic_names table in dump.c when adding/amending these
3780 */
3781
3782#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3783#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3784#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3785#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3786#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3787#define PERL_MAGIC_regdata 'D' /* Regex match position data
3788 (@+ and @- vars) */
3789#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3790#define PERL_MAGIC_env 'E' /* %ENV hash */
3791#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3792#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3793#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
b3ca2e83
NC		 3794#define PERL_MAGIC_hints 'H' /* %^H hash */
3795#define PERL_MAGIC_hintselem 'h' /* %^H hash element */
14befaf4
DM