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Fix bug in change 33379 - if we're using malloc_size() as well as being
[perl5.git] / perl.h
<
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
7272f7c1 4 * 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
b0f06652
VK		 37# ifndef USE_CROSS_COMPILE
38# include "config.h"
39# else
40# include "xconfig.h"
41# endif
12ae5dfc 42#endif
0cb96387 43
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
93189314
JH		 1280# define LIB_INVARG LIB$_INVARG
1281# define RMS_DIR RMS$_DIR
1282# define RMS_FAC RMS$_FAC
1283# define RMS_FEX RMS$_FEX
1284# define RMS_FNF RMS$_FNF
1285# define RMS_IFI RMS$_IFI
1286# define RMS_ISI RMS$_ISI
1287# define RMS_PRV RMS$_PRV
1288# define SS_ACCVIO SS$_ACCVIO
1289# define SS_DEVOFFLINE SS$_DEVOFFLINE
1290# define SS_IVCHAN SS$_IVCHAN
1291# define SS_NORMAL SS$_NORMAL
748a9306 1292#else
aba27d88 1293# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 1294# define LIB_INVARG 0
1295# define RMS_DIR 0
1296# define RMS_FAC 0
1297# define RMS_FEX 0
1298# define RMS_FNF 0
1299# define RMS_IFI 0
1300# define RMS_ISI 0
1301# define RMS_PRV 0
1302# define SS_ACCVIO 0
1303# define SS_DEVOFFLINE 0
1304# define SS_IVCHAN 0
1305# define SS_NORMAL 0
748a9306 1306#endif
ed6116ce 1307
3db8f154 1308#define ERRSV GvSV(PL_errgv)
e203899d
NC		 1309/* FIXME? Change the assignments to PL_defgv to instantiate GvSV? */
1310#define DEFSV GvSVn(PL_defgv)
3db8f154 1311#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1312
98eae8f5
GS		 1313#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1314
55497cff 1315#ifndef errno
5ff3f7a4
GS		 1316 extern int errno; /* ANSI allows errno to be an lvalue expr.
1317 * For example in multithreaded environments
1318 * something like this might happen:
1319 * extern int *_errno(void);
1320 * #define errno (*_errno()) */
d9d8d8de 1321#endif
663a0e37 1322
2304df62 1323#ifdef HAS_STRERROR
a0d0e21e 1324# ifdef VMS
20ce7b12 1325 char *strerror (int,...);
a0d0e21e 1326# else
68dc0745 1327#ifndef DONT_DECLARE_STD
20ce7b12 1328 char *strerror (int);
68dc0745 1329#endif
a0d0e21e 1330# endif
2304df62
AD		 1331# ifndef Strerror
1332# define Strerror strerror
1333# endif
1334#else
1335# ifdef HAS_SYS_ERRLIST
79072805
LW		 1336 extern int sys_nerr;
1337 extern char *sys_errlist[];
2304df62
AD		 1338# ifndef Strerror
1339# define Strerror(e) \
79072805 1340 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1341# endif
79072805 1342# endif
35c8bce7 1343#endif
663a0e37 1344
2304df62 1345#ifdef I_SYS_IOCTL
79072805
LW		 1346# ifndef _IOCTL_
1347# include <sys/ioctl.h>
1348# endif
a687059c
LW		 1349#endif
1350
ee0007ab 1351#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1352# ifdef HAS_SOCKETPAIR
1353# undef HAS_SOCKETPAIR
1354# endif
2304df62
AD		 1355# ifdef I_NDBM
1356# undef I_NDBM
79072805 1357# endif
a687059c
LW		 1358#endif
1359
02fc2eee
NC		 1360#ifndef HAS_SOCKETPAIR
1361# ifdef HAS_SOCKET
1362# define socketpair Perl_my_socketpair
1363# endif
1364#endif
1365
a687059c 1366#if INTSIZE == 2
79072805
LW		 1367# define htoni htons
1368# define ntohi ntohs
a687059c 1369#else
79072805
LW		 1370# define htoni htonl
1371# define ntohi ntohl
a687059c
LW		 1372#endif
1373
a0d0e21e 1374/* Configure already sets Direntry_t */
35c8bce7 1375#if defined(I_DIRENT)
663a0e37 1376# include <dirent.h>
8f1f23e8
W		 1377 /* NeXT needs dirent + sys/dir.h */
1378# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1379# include <sys/dir.h>
1380# endif
ae986130 1381#else
fe14fcc3 1382# ifdef I_SYS_NDIR
79a0689e 1383# include <sys/ndir.h>
663a0e37 1384# else
fe14fcc3 1385# ifdef I_SYS_DIR
79a0689e
LW		 1386# ifdef hp9000s500
1387# include <ndir.h> /* may be wrong in the future */
1388# else
1389# include <sys/dir.h>
1390# endif
663a0e37
LW		 1391# endif
1392# endif
4633a7c4 1393#endif
a687059c 1394
12ae5dfc
JH		 1395#ifdef PERL_MICRO
1396# ifndef DIR
1397# define DIR void
1398# endif
1399#endif
1400
352d5a3a
LW		 1401#ifdef FPUTS_BOTCH
1402/* work around botch in SunOS 4.0.1 and 4.0.2 */
1403# ifndef fputs
79072805 1404# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1405# endif
1406#endif
1407
c623bd54
LW		 1408/*
1409 * The following gobbledygook brought to you on behalf of __STDC__.
1410 * (I could just use #ifndef __STDC__, but this is more bulletproof
1411 * in the face of half-implementations.)
1412 */
1413
7114a2d2 1414#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1415#include <sys/mode.h>
1416#endif
1417
c623bd54
LW		 1418#ifndef S_IFMT
1419# ifdef _S_IFMT
1420# define S_IFMT _S_IFMT
1421# else
1422# define S_IFMT 0170000
1423# endif
1424#endif
1425
1426#ifndef S_ISDIR
1427# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1428#endif
1429
1430#ifndef S_ISCHR
1431# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1432#endif
1433
1434#ifndef S_ISBLK
fe14fcc3
LW		 1435# ifdef S_IFBLK
1436# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1437# else
1438# define S_ISBLK(m) (0)
1439# endif
c623bd54
LW		 1440#endif
1441
1442#ifndef S_ISREG
1443# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1444#endif
1445
1446#ifndef S_ISFIFO
fe14fcc3
LW		 1447# ifdef S_IFIFO
1448# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1449# else
1450# define S_ISFIFO(m) (0)
1451# endif
c623bd54
LW		 1452#endif
1453
1454#ifndef S_ISLNK
1455# ifdef _S_ISLNK
1456# define S_ISLNK(m) _S_ISLNK(m)
1457# else
1458# ifdef _S_IFLNK
1459# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1460# else
1461# ifdef S_IFLNK
1462# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1463# else
1464# define S_ISLNK(m) (0)
1465# endif
1466# endif
1467# endif
1468#endif
1469
1470#ifndef S_ISSOCK
1471# ifdef _S_ISSOCK
1472# define S_ISSOCK(m) _S_ISSOCK(m)
1473# else
1474# ifdef _S_IFSOCK
1475# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1476# else
1477# ifdef S_IFSOCK
1478# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1479# else
1480# define S_ISSOCK(m) (0)
1481# endif
1482# endif
1483# endif
1484#endif
1485
1486#ifndef S_IRUSR
1487# ifdef S_IREAD
1488# define S_IRUSR S_IREAD
1489# define S_IWUSR S_IWRITE
1490# define S_IXUSR S_IEXEC
1491# else
1492# define S_IRUSR 0400
1493# define S_IWUSR 0200
1494# define S_IXUSR 0100
1495# endif
fac7cdfc
JS		 1496#endif
1497
1498#ifndef S_IRGRP
1499# ifdef S_IRUSR
1500# define S_IRGRP (S_IRUSR>>3)
1501# define S_IWGRP (S_IWUSR>>3)
1502# define S_IXGRP (S_IXUSR>>3)
1503# else
1504# define S_IRGRP 0040
1505# define S_IWGRP 0020
1506# define S_IXGRP 0010
1507# endif
1508#endif
1509
1510#ifndef S_IROTH
1511# ifdef S_IRUSR
1512# define S_IROTH (S_IRUSR>>6)
1513# define S_IWOTH (S_IWUSR>>6)
1514# define S_IXOTH (S_IXUSR>>6)
1515# else
1516# define S_IROTH 0040
1517# define S_IWOTH 0020
1518# define S_IXOTH 0010
1519# endif
c623bd54
LW		 1520#endif
1521
1522#ifndef S_ISUID
1523# define S_ISUID 04000
1524#endif
1525
1526#ifndef S_ISGID
1527# define S_ISGID 02000
1528#endif
1529
ca6e1c26
JH		 1530#ifndef S_IRWXU
1531# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1532#endif
ca6e1c26
JH		 1533
1534#ifndef S_IRWXG
1535# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1536#endif
ca6e1c26
JH		 1537
1538#ifndef S_IRWXO
1539# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1540#endif
ca6e1c26 1541
c21fb2b8
JH		 1542/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1543 * which would get included through <sys/file.h >, but that is 3000
1544 * lines in the future. --jhi */
1545
1546#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 1547# define S_IREAD S_IRUSR
1548#endif
1549
c21fb2b8 1550#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1551# define S_IWRITE S_IWUSR
1552#endif
1553
1554#ifndef S_IEXEC
1555# define S_IEXEC S_IXUSR
1556#endif
1557
79072805
LW		 1558#ifdef ff_next
1559# undef ff_next
352d5a3a
LW		 1560#endif
1561
a0d0e21e 1562#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1563# define SLOPPYDIVIDE
1564#endif
1565
748a9306
LW		 1566#ifdef UV
1567#undef UV
1568#endif
1569
c89df6bf
JH		 1570#ifdef SPRINTF_E_BUG
1571# define sprintf UTS_sprintf_wrap
1572#endif
1573
ce582cee
NC		 1574/* For the times when you want the return value of sprintf, and you want it
1575 to be the length. Can't have a thread variable passed in, because C89 has
1576 no varargs macros.
1577*/
1578#ifdef SPRINTF_RETURNS_STRLEN
1579# define my_sprintf sprintf
1580#else
1581# define my_sprintf Perl_my_sprintf
1582#endif
1583
5b692037
JH		 1584/*
1585 * If we have v?snprintf() and the C99 variadic macros, we can just
1586 * use just the v?snprintf(). It is nice to try to trap the buffer
1587 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1588 * gcc statement expressions, then use the function wrappers which try
1589 * to trap the overflow. If we can use the gcc statement expressions,
1590 * we can try that even with the version that uses the C99 variadic
1591 * macros.
5b692037
JH		 1592 */
1593
1208b3dd
JH		 1594/* Note that we do not check against snprintf()/vsnprintf() returning
1595 * negative values because that is non-standard behaviour and we use
1596 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1597 * that should be true only if the snprintf()/vsnprintf() are true
1598 * to the standard. */
1599
dfeee9b1 1600#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1601# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1602# 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 1603# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1604# else
1605# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1606# endif
1607#else
1608# define my_snprintf Perl_my_snprintf
1208b3dd 1609# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1610#endif
1611
dfeee9b1 1612#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1613# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1614# 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 1615# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1616# else
1617# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1618# endif
1619#else
1620# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1621# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1622#endif
d9fad198 1623
a6cc4119
SP		 1624#ifdef HAS_STRLCAT
1625# define my_strlcat strlcat
1626#else
1627# define my_strlcat Perl_my_strlcat
1628#endif
1629
1630#ifdef HAS_STRLCPY
1631# define my_strlcpy strlcpy
1632#else
1633# define my_strlcpy Perl_my_strlcpy
1634#endif
1635
c495e728
JH		 1636/* Configure gets this right but the UTS compiler gets it wrong.
1637 -- Hal Morris <hom00@utsglobal.com> */
1638#ifdef UTS
1639# undef UVTYPE
1640# define UVTYPE unsigned
1641#endif
1642
05f13f53 1643/*
27d4fb96 1644 The IV type is supposed to be long enough to hold any integral
1645 value or a pointer.
1646 --Andy Dougherty August 1996
1647*/
1648
a22e52b9
JH		 1649typedef IVTYPE IV;
1650typedef UVTYPE UV;
8175356b 1651
10cc9d2a 1652#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1653# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1654# define IV_MAX INT64_MAX
1655# define IV_MIN INT64_MIN
1656# define UV_MAX UINT64_MAX
cae7ae48
JH		 1657# ifndef UINT64_MIN
1658# define UINT64_MIN 0
1659# endif
5ff3f7a4
GS		 1660# define UV_MIN UINT64_MIN
1661# else
1662# define IV_MAX PERL_QUAD_MAX
1663# define IV_MIN PERL_QUAD_MIN
1664# define UV_MAX PERL_UQUAD_MAX
1665# define UV_MIN PERL_UQUAD_MIN
1666# endif
cf2093f6
JH		 1667# define IV_IS_QUAD
1668# define UV_IS_QUAD
79072805 1669#else
8175356b 1670# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1671# define IV_MAX INT32_MAX
1672# define IV_MIN INT32_MIN
716026f9
DL		 1673# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1674# define UV_MAX UINT32_MAX
1675# else
1676# define UV_MAX 4294967295U
1677# endif
cae7ae48
JH		 1678# ifndef UINT32_MIN
1679# define UINT32_MIN 0
1680# endif
5ff3f7a4
GS		 1681# define UV_MIN UINT32_MIN
1682# else
1683# define IV_MAX PERL_LONG_MAX
1684# define IV_MIN PERL_LONG_MIN
1685# define UV_MAX PERL_ULONG_MAX
1686# define UV_MIN PERL_ULONG_MIN
1687# endif
8175356b 1688# if IVSIZE == 8
cf2093f6
JH		 1689# define IV_IS_QUAD
1690# define UV_IS_QUAD
de1c2614
JH		 1691# ifndef HAS_QUAD
1692# define HAS_QUAD
1693# endif
cf2093f6
JH		 1694# else
1695# undef IV_IS_QUAD
1696# undef UV_IS_QUAD
de1c2614 1697# undef HAS_QUAD
cf2093f6 1698# endif
79072805 1699#endif
d7d93a81 1700
1109a392
MHM		 1701#ifndef HAS_QUAD
1702# undef PERL_NEED_MY_HTOLE64
1703# undef PERL_NEED_MY_LETOH64
1704# undef PERL_NEED_MY_HTOBE64
1705# undef PERL_NEED_MY_BETOH64
1706#endif
1707
6cde8aec 1708#if defined(uts) || defined(UTS)
11afe549
HM		 1709# undef UV_MAX
1710# define UV_MAX (4294967295u)
20601011
JH		 1711#endif
1712
cae7ae48 1713#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1714#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1715
28e5dec8 1716#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1717#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1718#endif
1719
d460ef45 1720/*
26bb67e2
JH		 1721 * The macros INT2PTR and NUM2PTR are (despite their names)
1722 * bi-directional: they will convert int/float to or from pointers.
1723 * However the conversion to int/float are named explicitly:
1724 * PTR2IV, PTR2UV, PTR2NV.
1725 *
1726 * For int conversions we do not need two casts if pointers are
1727 * the same size as IV and UV. Otherwise we need an explicit
1728 * cast (PTRV) to avoid compiler warnings.
1729 */
56431972
RB		 1730#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1731# define PTRV UV
1732# define INT2PTR(any,d) (any)(d)
1733#else
d460ef45 1734# if PTRSIZE == LONGSIZE
56431972 1735# define PTRV unsigned long
e91e3b10 1736# define PTR2ul(p) (unsigned long)(p)
42718184 1737# else
56431972 1738# define PTRV unsigned
42718184 1739# endif
e91e3b10
RB		 1740#endif
1741
1742#ifndef INT2PTR
56431972 1743# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1744#endif
e91e3b10
RB		 1745
1746#ifndef PTR2ul
1747# define PTR2ul(p) INT2PTR(unsigned long,p)
1748#endif
1749
56431972
RB		 1750#define NUM2PTR(any,d) (any)(PTRV)(d)
1751#define PTR2IV(p) INT2PTR(IV,p)
1752#define PTR2UV(p) INT2PTR(UV,p)
1753#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1754#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1755
8141890a
JH		 1756/* According to strict ANSI C89 one cannot freely cast between
1757 * data pointers and function (code) pointers. There are at least
1758 * two ways around this. One (used below) is to do two casts,
1759 * first the other pointer to an (unsigned) integer, and then
1760 * the integer to the other pointer. The other way would be
1761 * to use unions to "overlay" the pointers. For an example of
1762 * the latter technique, see union dirpu in struct xpvio in sv.h.
1763 * The only feasible use is probably temporarily storing
1764 * function pointers in a data pointer (such as a void pointer). */
1765
e91e3b10
RB		 1766#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1767#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1768
65202027 1769#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1770# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1771# define LONG_DOUBLE_EQUALS_DOUBLE
1772# endif
68d4903c 1773# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1774# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1775# endif
1776#endif
1777
2d4389e4
JH		 1778#ifdef OVR_DBL_DIG
1779/* Use an overridden DBL_DIG */
1780# ifdef DBL_DIG
1781# undef DBL_DIG
1782# endif
1783# define DBL_DIG OVR_DBL_DIG
1784#else
1785/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1786 default value for printing floating point numbers in Gconvert
1787 (see config.h). (It also has other uses, such as figuring out if
1788 a given precision of printing can be done with a double instead of
1789 a long double - Allen).
2d4389e4
JH		 1790*/
1791#ifdef I_LIMITS
1792#include <limits.h>
1793#endif
1794#ifdef I_FLOAT
1795#include <float.h>
1796#endif
1797#ifndef HAS_DBL_DIG
1798#define DBL_DIG 15 /* A guess that works lots of places */
1799#endif
1800#endif
1801
1802#ifdef OVR_LDBL_DIG
1803/* Use an overridden LDBL_DIG */
1804# ifdef LDBL_DIG
1805# undef LDBL_DIG
1806# endif
1807# define LDBL_DIG OVR_LDBL_DIG
1808#else
1809/* The following is all to get LDBL_DIG, in order to pick a nice
1810 default value for printing floating point numbers in Gconvert.
1811 (see config.h)
1812*/
68d4903c
JH		 1813# ifdef I_LIMITS
1814# include <limits.h>
1815# endif
1816# ifdef I_FLOAT
1817# include <float.h>
1818# endif
1819# ifndef HAS_LDBL_DIG
1820# if LONG_DOUBLESIZE == 10
1821# define LDBL_DIG 18 /* assume IEEE */
1822# else
1823# if LONG_DOUBLESIZE == 12
1824# define LDBL_DIG 18 /* gcc? */
1825# else
1826# if LONG_DOUBLESIZE == 16
1827# define LDBL_DIG 33 /* assume IEEE */
1828# else
1829# if LONG_DOUBLESIZE == DOUBLESIZE
1830# define LDBL_DIG DBL_DIG /* bummer */
1831# endif
1832# endif
1833# endif
1834# endif
1835# endif
2d4389e4
JH		 1836#endif
1837
20f6aaab
AS		 1838/*
1839 * This is for making sure we have a good DBL_MAX value, if possible,
1840 * either for usage as NV_MAX or for usage in figuring out if we can
1841 * fit a given long double into a double, if bug-fixing makes it
1842 * necessary to do so. - Allen <allens@cpan.org>
1843 */
1844
205f51d8
AS		 1845#ifdef I_LIMITS
1846# include <limits.h>
20f6aaab
AS		 1847#endif
1848
205f51d8
AS		 1849#ifdef I_VALUES
1850# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1851# include <values.h>
1852# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1853# define DBL_MAX MAXDOUBLE
1854# endif
1855# if defined(MINDOUBLE) && !defined(DBL_MIN)
1856# define DBL_MIN MINDOUBLE
1857# endif
1858# endif
1859#endif /* defined(I_VALUES) */
1860
a22e52b9 1861typedef NVTYPE NV;
8175356b 1862
792d8dab
JH		 1863#ifdef I_IEEEFP
1864# include <ieeefp.h>
1865#endif
923fc586 1866
65202027 1867#ifdef USE_LONG_DOUBLE
923fc586
JH		 1868# ifdef I_SUNMATH
1869# include <sunmath.h>
1870# endif
2d4389e4 1871# define NV_DIG LDBL_DIG
d6c14000
JH		 1872# ifdef LDBL_MANT_DIG
1873# define NV_MANT_DIG LDBL_MANT_DIG
1874# endif
06fc1729
JH		 1875# ifdef LDBL_MIN
1876# define NV_MIN LDBL_MIN
1877# endif
1878# ifdef LDBL_MAX
1879# define NV_MAX LDBL_MAX
1880# endif
1881# ifdef LDBL_MIN_10_EXP
1882# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1883# endif
1884# ifdef LDBL_MAX_10_EXP
1885# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1886# endif
1887# ifdef LDBL_EPSILON
1888# define NV_EPSILON LDBL_EPSILON
1889# endif
f4a14a62
JH		 1890# ifdef LDBL_MAX
1891# define NV_MAX LDBL_MAX
20f6aaab 1892/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1893# else
1894# ifdef HUGE_VALL
1895# define NV_MAX HUGE_VALL
1896# else
1897# ifdef HUGE_VAL
1898# define NV_MAX ((NV)HUGE_VAL)
1899# endif
1900# endif
1901# endif
68d4903c 1902# ifdef HAS_SQRTL
68d4903c
JH		 1903# define Perl_cos cosl
1904# define Perl_sin sinl
1905# define Perl_sqrt sqrtl
1906# define Perl_exp expl
1907# define Perl_log logl
1908# define Perl_atan2 atan2l
1909# define Perl_pow powl
1910# define Perl_floor floorl
1bbae031 1911# define Perl_ceil ceill
68d4903c
JH		 1912# define Perl_fmod fmodl
1913# endif
a3540c92
JH		 1914/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1915# ifdef HAS_MODFL
1916# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1917/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1918 prototype in <math.h> */
1919# ifndef HAS_MODFL_PROTO
a221a8a5 1920EXTERN_C long double modfl(long double, long double *);
51997bc3 1921# endif
03476e8e
JH		 1922# else
1923# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1924 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1925# define Perl_modf(x,y) Perl_my_modfl(x,y)
1926# endif
a3540c92
JH		 1927# endif
1928# ifdef HAS_FREXPL
dff3e0b8 1929# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1930# else
1931# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1932 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1933# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1934# endif
a3540c92 1935# endif
38dbb4c5 1936# ifndef Perl_isnan
758a5d79
JH		 1937# ifdef HAS_ISNANL
1938# define Perl_isnan(x) isnanl(x)
1939# endif
1940# endif
1941# ifndef Perl_isinf
1942# ifdef HAS_FINITEL
1943# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1944# endif
1945# endif
65202027 1946#else
2d4389e4 1947# define NV_DIG DBL_DIG
d6c14000
JH		 1948# ifdef DBL_MANT_DIG
1949# define NV_MANT_DIG DBL_MANT_DIG
1950# endif
06fc1729
JH		 1951# ifdef DBL_MIN
1952# define NV_MIN DBL_MIN
1953# endif
1954# ifdef DBL_MAX
1955# define NV_MAX DBL_MAX
1956# endif
1957# ifdef DBL_MIN_10_EXP
1958# define NV_MIN_10_EXP DBL_MIN_10_EXP
1959# endif
1960# ifdef DBL_MAX_10_EXP
1961# define NV_MAX_10_EXP DBL_MAX_10_EXP
1962# endif
1963# ifdef DBL_EPSILON
1964# define NV_EPSILON DBL_EPSILON
1965# endif
205f51d8 1966# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1967# define NV_MAX DBL_MAX
1968# define NV_MIN DBL_MIN
1969# else
1970# ifdef HUGE_VAL
1971# define NV_MAX HUGE_VAL
1972# endif
1973# endif
65202027
DS		 1974# define Perl_cos cos
1975# define Perl_sin sin
1976# define Perl_sqrt sqrt
1977# define Perl_exp exp
1978# define Perl_log log
1979# define Perl_atan2 atan2
1980# define Perl_pow pow
1981# define Perl_floor floor
1bbae031 1982# define Perl_ceil ceil
65202027 1983# define Perl_fmod fmod
a3540c92 1984# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1985# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1986#endif
1987
1988/* rumor has it that Win32 has _fpclass() */
1989
205f51d8
AS		 1990/* SGI has fpclassl... but not with the same result values,
1991 * and it's via a typedef (not via #define), so will need to redo Configure
1992 * to use. Not worth the trouble, IMO, at least until the below is used
1993 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1994 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1995 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1996
758a5d79
JH		 1997#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1998# ifdef I_IEEFP
1999# include <ieeefp.h>
2000# endif
2001# ifdef I_FP
2002# include <fp.h>
2003# endif
2004# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2005# define Perl_fp_class() fpclassl(x)
2006# else
2007# define Perl_fp_class() fpclass(x)
2008# endif
2009# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2010# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2011# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2012# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2013# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2014# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2015# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2016# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2017# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2018# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2019# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2020# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2021# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2022# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2023# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2024#endif
2025
7114a2d2 2026#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2027# include <math.h>
2028# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2029# include <fp_class.h>
2030# endif
2031# define Perl_fp_class(x) fp_class(x)
2032# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2033# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2034# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2035# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2036# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2037# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2038# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2039# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2040# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2041# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2042# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2043# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2044# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2045# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2046# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2047#endif
2048
2049#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2050# include <math.h>
2051# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2052# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2053# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2054# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2055# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2056# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2057#endif
2058
2059#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2060# include <math.h>
2061# ifndef _cplusplus
2062# define Perl_fp_class(x) class(x)
2063# else
2064# define Perl_fp_class(x) _class(x)
2065# endif
2066# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2067# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2068# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2069# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2070# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2071# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2072# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2073# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2074# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2075# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2076# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2077# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2078# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2079# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2080# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2081#endif
2082
2083/* rumor has it that Win32 has _isnan() */
2084
2085#ifndef Perl_isnan
a3540c92 2086# ifdef HAS_ISNAN
758a5d79
JH		 2087# define Perl_isnan(x) isnan((NV)x)
2088# else
2089# ifdef Perl_fp_class_nan
2090# define Perl_isnan(x) Perl_fp_class_nan(x)
2091# else
2092# ifdef HAS_UNORDERED
2093# define Perl_isnan(x) unordered((x), 0.0)
2094# else
2095# define Perl_isnan(x) ((x)!=(x))
2096# endif
2097# endif
2098# endif
2099#endif
2100
ca6c63e1
JH		 2101#ifdef UNDER_CE
2102int isnan(double d);
2103#endif
2104
758a5d79
JH		 2105#ifndef Perl_isinf
2106# ifdef HAS_ISINF
2107# define Perl_isinf(x) isinf((NV)x)
a3540c92 2108# else
758a5d79
JH		 2109# ifdef Perl_fp_class_inf
2110# define Perl_isinf(x) Perl_fp_class_inf(x)
2111# else
2112# define Perl_isinf(x) ((x)==NV_INF)
2113# endif
2114# endif
2115#endif
2116
2117#ifndef Perl_isfinite
2118# ifdef HAS_FINITE
2119# define Perl_isfinite(x) finite((NV)x)
2120# else
2121# ifdef HAS_ISFINITE
2122# define Perl_isfinite(x) isfinite(x)
2123# else
2124# ifdef Perl_fp_class_finite
2125# define Perl_isfinite(x) Perl_fp_class_finite(x)
2126# else
2127# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2128# endif
2129# endif
a3540c92 2130# endif
65202027
DS		 2131#endif
2132
a36244b7
JH		 2133/* The default is to use Perl's own atof() implementation (in numeric.c).
2134 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2135 * it is however best to use the native implementation of atof.
2136 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2137 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2138 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2139 * you may need to be using a different function than atof! */
a36244b7
JH		 2140
2141#ifndef USE_PERL_ATOF
2142# ifndef _UNICOS
2143# define USE_PERL_ATOF
2144# endif
2145#else
2146# if USE_PERL_ATOF == 0
2147# undef USE_PERL_ATOF
2148# endif
2149#endif
2150
2151#ifdef USE_PERL_ATOF
2152# define Perl_atof(s) Perl_my_atof(s)
2153# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2154#else
2155# define Perl_atof(s) (NV)atof(s)
2156# define Perl_atof2(s, n) ((n) = atof(s))
2157#endif
cf2093f6 2158
d460ef45 2159/* Previously these definitions used hardcoded figures.
760ac839
LW		 2160 * It is hoped these formula are more portable, although
2161 * no data one way or another is presently known to me.
2162 * The "PERL_" names are used because these calculated constants
2163 * do not meet the ANSI requirements for LONG_MAX, etc., which
2164 * need to be constants acceptable to #if - kja
2165 * define PERL_LONG_MAX 2147483647L
2166 * define PERL_LONG_MIN (-LONG_MAX - 1)
2167 * define PERL ULONG_MAX 4294967295L
2168 */
2169
2170#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2171# include <limits.h>
760ac839 2172#endif
205f51d8
AS		 2173/* Included values.h above if necessary; still including limits.h down here,
2174 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2175
99abf803 2176/*
2177 * Try to figure out max and min values for the integral types. THE CORRECT
2178 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2179 * following hacks are used if neither limits.h or values.h provide them:
2180 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2181 * for types < int: (unsigned TYPE)~(unsigned)0
2182 * The argument to ~ must be unsigned so that later signed->unsigned
2183 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2184 * and it must not be smaller than int because ~ does integral promotion.
2185 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2186 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2187 * The latter is a hack which happens to work on some machines but
2188 * does *not* catch any random system, or things like integer types
2189 * with NaN if that is possible.
2190 *
2191 * All of the types are explicitly cast to prevent accidental loss of
2192 * numeric range, and in the hope that they will be less likely to confuse
2193 * over-eager optimizers.
2194 *
2195 */
27d4fb96 2196
99abf803 2197#define PERL_UCHAR_MIN ((unsigned char)0)
2198
2199#ifdef UCHAR_MAX
2200# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2201#else
99abf803 2202# ifdef MAXUCHAR
2203# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2204# else
99abf803 2205# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2206# endif
2207#endif
d460ef45 2208
99abf803 2209/*
2210 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2211 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2212 * depending on local options. Until Configure detects this (or at least
2213 * detects whether the "signed" keyword is available) the CHAR ranges
2214 * will not be included. UCHAR functions normally.
2215 * - kja
2216 */
27d4fb96 2217
99abf803 2218#define PERL_USHORT_MIN ((unsigned short)0)
2219
2220#ifdef USHORT_MAX
2221# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2222#else
99abf803 2223# ifdef MAXUSHORT
2224# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2225# else
ef2f54b0
CB		 2226# ifdef USHRT_MAX
2227# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2228# else
2229# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2230# endif
27d4fb96 2231# endif
2232#endif
2233
27d4fb96 2234#ifdef SHORT_MAX
99abf803 2235# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2236#else
2237# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2238# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2239# else
ef2f54b0
CB		 2240# ifdef SHRT_MAX
2241# define PERL_SHORT_MAX ((short)SHRT_MAX)
2242# else
2243# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2244# endif
27d4fb96 2245# endif
2246#endif
2247
2248#ifdef SHORT_MIN
99abf803 2249# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2250#else
2251# ifdef MINSHORT
99abf803 2252# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2253# else
ef2f54b0
CB		 2254# ifdef SHRT_MIN
2255# define PERL_SHORT_MIN ((short)SHRT_MIN)
2256# else
2257# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2258# endif
27d4fb96 2259# endif
2260#endif
2261
99abf803 2262#ifdef UINT_MAX
2263# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2264#else
99abf803 2265# ifdef MAXUINT
2266# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2267# else
99abf803 2268# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2269# endif
2270#endif
2271
99abf803 2272#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2273
2274#ifdef INT_MAX
99abf803 2275# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2276#else
2277# ifdef MAXINT /* Often used in <values.h> */
99abf803 2278# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2279# else
99abf803 2280# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2281# endif
2282#endif
2283
2284#ifdef INT_MIN
99abf803 2285# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2286#else
2287# ifdef MININT
99abf803 2288# define PERL_INT_MIN ((int)MININT)
27d4fb96 2289# else
2290# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2291# endif
2292#endif
2293
99abf803 2294#ifdef ULONG_MAX
2295# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2296#else
99abf803 2297# ifdef MAXULONG
2298# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2299# else
99abf803 2300# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2301# endif
2302#endif
2303
99abf803 2304#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2305
760ac839 2306#ifdef LONG_MAX
99abf803 2307# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2308#else
2309# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2310# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2311# else
99abf803 2312# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2313# endif
2314#endif
2315
2316#ifdef LONG_MIN
99abf803 2317# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2318#else
2319# ifdef MINLONG
99abf803 2320# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2321# else
27d4fb96 2322# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2323# endif
2324#endif
2325
d7d93a81 2326#ifdef UV_IS_QUAD
99abf803 2327
99abf803 2328# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2329# define PERL_UQUAD_MIN ((UV)0)
99abf803 2330# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2331# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2332
79072805
LW		 2333#endif
2334
22f7c9c9
JH		 2335#ifdef MYMALLOC
2336# include "malloc_ctl.h"
2337#endif
2338
830247a4 2339struct RExC_state_t;
8e11feef 2340struct _reg_trie_data;
880b20b6 2341
ee0007ab 2342typedef MEM_SIZE STRLEN;
450a55e4 2343
598921a7
NC		 2344#ifdef PERL_MAD
2345typedef struct token TOKEN;
2346typedef struct madprop MADPROP;
2347typedef struct nexttoken NEXTTOKE;
2348#endif
79072805
LW		 2349typedef struct op OP;
2350typedef struct cop COP;
2351typedef struct unop UNOP;
2352typedef struct binop BINOP;
2353typedef struct listop LISTOP;
2354typedef struct logop LOGOP;
79072805
LW		 2355typedef struct pmop PMOP;
2356typedef struct svop SVOP;
7934575e 2357typedef struct padop PADOP;
79072805 2358typedef struct pvop PVOP;
79072805
LW		 2359typedef struct loop LOOP;
2360
cd1541b2
NC		 2361typedef struct interpreter PerlInterpreter;
2362
d2b3f365
SS		 2363/* Amdahl's <ksync.h> has struct sv */
2364/* SGI's <sys/sema.h> has struct sv */
2365#if defined(UTS) || defined(__sgi)
2366# define STRUCT_SV perl_sv
b8d3c5db
JH		 2367#else
2368# define STRUCT_SV sv
2369#endif
2370typedef struct STRUCT_SV SV;
79072805
LW		 2371typedef struct av AV;
2372typedef struct hv HV;
2373typedef struct cv CV;
288b8c02 2374typedef struct regexp ORANGE; /* This is the body structure. */
d2f13c59 2375typedef struct p5rx REGEXP;
79072805 2376typedef struct gp GP;
0c30d9ec 2377typedef struct gv GV;
8990e307 2378typedef struct io IO;
c09156bb 2379typedef struct context PERL_CONTEXT;
79072805
LW		 2380typedef struct block BLOCK;
2381
2382typedef struct magic MAGIC;
2383typedef struct xpv XPV;
2384typedef struct xpviv XPVIV;
ff68c719 2385typedef struct xpvuv XPVUV;
79072805
LW		 2386typedef struct xpvnv XPVNV;
2387typedef struct xpvmg XPVMG;
2388typedef struct xpvlv XPVLV;
2389typedef struct xpvav XPVAV;
2390typedef struct xpvhv XPVHV;
2391typedef struct xpvgv XPVGV;
2392typedef struct xpvcv XPVCV;
2393typedef struct xpvbm XPVBM;
2394typedef struct xpvfm XPVFM;
8990e307 2395typedef struct xpvio XPVIO;
79072805
LW		 2396typedef struct mgvtbl MGVTBL;
2397typedef union any ANY;
5f7fde29
GS		 2398typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2399typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2400typedef struct clone_params CLONE_PARAMS;
2401
378cc40b 2402#include "handy.h"
a0d0e21e 2403
6b8eaf93 2404#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2405# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2406# define USE_64_BIT_RAWIO /* implicit */
2407# endif
4564133c
JH		 2408#endif
2409
6b8eaf93
JH		 2410/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2411 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2412 * however, because operating systems like to do that themself. */
2413#ifndef FSEEKSIZE
2414# ifdef HAS_FSEEKO
2415# define FSEEKSIZE LSEEKSIZE
2416# else
2417# define FSEEKSIZE LONGSIZE
d460ef45 2418# endif
6b8eaf93
JH		 2419#endif
2420
2421#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2422# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2423# define USE_64_BIT_STDIO /* implicit */
2424# endif
2425#endif
4564133c 2426
09458382 2427#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2428# ifdef HAS_OFF64_T
2429# undef Off_t
2430# define Off_t off64_t
2431# undef LSEEKSIZE
2432# define LSEEKSIZE 8
5ff3f7a4 2433# endif
d9b3e12d
JH		 2434/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2435 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2436 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2437# if defined(USE_OPEN64)
2438# define open open64
5ff3f7a4 2439# endif
d9b3e12d
JH		 2440# if defined(USE_LSEEK64)
2441# define lseek lseek64
6b8eaf93
JH		 2442# else
2443# if defined(USE_LLSEEK)
2444# define lseek llseek
2445# endif
d9b3e12d
JH		 2446# endif
2447# if defined(USE_STAT64)
2448# define stat stat64
2449# endif
2450# if defined(USE_FSTAT64)
2451# define fstat fstat64
2452# endif
2453# if defined(USE_LSTAT64)
2454# define lstat lstat64
2455# endif
2456# if defined(USE_FLOCK64)
2457# define flock flock64
2458# endif
2459# if defined(USE_LOCKF64)
2460# define lockf lockf64
2461# endif
2462# if defined(USE_FCNTL64)
2463# define fcntl fcntl64
2464# endif
2465# if defined(USE_TRUNCATE64)
2466# define truncate truncate64
2467# endif
2468# if defined(USE_FTRUNCATE64)
2469# define ftruncate ftruncate64
2470# endif
2471#endif
2472
2473#ifdef USE_64_BIT_STDIO
2474# ifdef HAS_FPOS64_T
2475# undef Fpos_t
2476# define Fpos_t fpos64_t
2477# endif
2478/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2479 * will trigger defines like the ones below. Some 64-bit environments,
2480 * however, do not. */
2481# if defined(USE_FOPEN64)
2482# define fopen fopen64
2483# endif
2484# if defined(USE_FSEEK64)
6b8eaf93 2485# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2486# endif
2487# if defined(USE_FTELL64)
6b8eaf93 2488# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2489# endif
2490# if defined(USE_FSETPOS64)
2491# define fsetpos fsetpos64
2492# endif
2493# if defined(USE_FGETPOS64)
2494# define fgetpos fgetpos64
2495# endif
2496# if defined(USE_TMPFILE64)
2497# define tmpfile tmpfile64
2498# endif
2499# if defined(USE_FREOPEN64)
2500# define freopen freopen64
5ff3f7a4
GS		 2501# endif
2502#endif
2503
af8b425d 2504#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2505# include "iperlsys.h"
2506#endif
2507
6f71a643 2508#if defined(__OPEN_VM)
19848b3f
JH		 2509# include "vmesa/vmesaish.h"
2510# define ISHISH "vmesa"
6f71a643
JH		 2511#endif
2512
748a9306 2513#ifdef DOSISH
19848b3f
JH		 2514# if defined(OS2)
2515# include "os2ish.h"
2516# else
2517# include "dosish.h"
2518# endif
2519# define ISHISH "dos"
2520#endif
2521
2522#if defined(VMS)
748a9306 2523# include "vmsish.h"
96e176bf 2524# include "embed.h"
eb8433b7
NC		 2525# ifndef PERL_MAD
2526# undef op_getmad
b3f24c00 2527# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2528# endif
19848b3f
JH		 2529# define ISHISH "vms"
2530#endif
2531
2532#if defined(PLAN9)
2533# include "./plan9/plan9ish.h"
2534# define ISHISH "plan9"
2535#endif
2536
2537#if defined(MPE)
2538# include "mpeix/mpeixish.h"
2539# define ISHISH "mpeix"
2540#endif
2541
2542#if defined(__VOS__)
196918b0
PG		 2543# ifdef __GNUC__
2544# include "./vos/vosish.h"
2545# else
2546# include "vos/vosish.h"
2547# endif
19848b3f
JH		 2548# define ISHISH "vos"
2549#endif
2550
2551#if defined(EPOC)
2552# include "epocish.h"
2553# define ISHISH "epoc"
2554#endif
2555
9969cdde 2556#ifdef __SYMBIAN32__
27da23d5
JH		 2557# include "symbian/symbianish.h"
2558# include "embed.h"
eb8433b7
NC		 2559# ifndef PERL_MAD
2560# undef op_getmad
b3f24c00 2561# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2562# endif
27da23d5
JH		 2563# define ISHISH "symbian"
2564#endif
2565
19848b3f
JH		 2566#if defined(MACOS_TRADITIONAL)
2567# include "macos/macish.h"
2568# ifndef NO_ENVIRON_ARRAY
2569# define NO_ENVIRON_ARRAY
0c30d9ec 2570# endif
19848b3f
JH		 2571# define ISHISH "macos classic"
2572#endif
2573
efca5cc6
JH		 2574#if defined(__BEOS__)
2575# include "beos/beosish.h"
2576# define ISHISH "beos"
2577#endif
2578
19848b3f
JH		 2579#ifndef ISHISH
2580# include "unixish.h"
2581# define ISHISH "unix"
13b6e58c
JH		 2582#endif
2583
2946a158
JH		 2584/* NSIG logic from Configure --> */
2585/* Strange style to avoid deeply-nested #if/#else/#endif */
2586#ifndef NSIG
2587# ifdef _NSIG
2588# define NSIG (_NSIG)
2589# endif
2590#endif
2591
2592#ifndef NSIG
2593# ifdef SIGMAX
2594# define NSIG (SIGMAX+1)
2595# endif
2596#endif
2597
2598#ifndef NSIG
2599# ifdef SIG_MAX
2600# define NSIG (SIG_MAX+1)
2601# endif
2602#endif
2603
2604#ifndef NSIG
2605# ifdef _SIG_MAX
2606# define NSIG (_SIG_MAX+1)
2607# endif
2608#endif
2609
2610#ifndef NSIG
2611# ifdef MAXSIG
2612# define NSIG (MAXSIG+1)
2613# endif
2614#endif
2615
2616#ifndef NSIG
2617# ifdef MAX_SIG
2618# define NSIG (MAX_SIG+1)
2619# endif
2620#endif
2621
2622#ifndef NSIG
2623# ifdef SIGARRAYSIZE
2624# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2625# endif
2626#endif
2627
2628#ifndef NSIG
2629# ifdef _sys_nsig
2630# define NSIG (_sys_nsig) /* Solaris 2.5 */
2631# endif
2632#endif
2633
2634/* Default to some arbitrary number that's big enough to get most
2635 of the common signals.
2636*/
2637#ifndef NSIG
2638# define NSIG 50
2639#endif
2640/* <-- NSIG logic from Configure */
2641
13b6e58c
JH		 2642#ifndef NO_ENVIRON_ARRAY
2643# define USE_ENVIRON_ARRAY
2644#endif
32f822de 2645
c77b533b
JH		 2646/*
2647 * initialise to avoid floating-point exceptions from overflow, etc
2648 */
2649#ifndef PERL_FPU_INIT
2650# ifdef HAS_FPSETMASK
2651# if HAS_FLOATINGPOINT_H
2652# include <floatingpoint.h>
2653# endif
7f7c3354 2654# define PERL_FPU_INIT fpsetmask(0)
c77b533b 2655# else
2f42fcb0 2656# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2657# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2658# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2659# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2660# else
2661# define PERL_FPU_INIT
2f42fcb0 2662
7014c407 2663# endif
c77b533b
JH		 2664# endif
2665#endif
b35112e7
CS		 2666#ifndef PERL_FPU_PRE_EXEC
2667# define PERL_FPU_PRE_EXEC {
2668# define PERL_FPU_POST_EXEC }
2669#endif
c77b533b 2670
cbec8ebe
DM		 2671#ifndef PERL_SYS_INIT3_BODY
2672# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2673#endif
2674
cbec8ebe
DM		 2675#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2676#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2677#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2678
be708cc0
JH		 2679#ifndef PERL_WRITE_MSG_TO_CONSOLE
2680# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2681#endif
2682
0f31cffe
GS		 2683#ifndef MAXPATHLEN
2684# ifdef PATH_MAX
b990c8b2
JH		 2685# ifdef _POSIX_PATH_MAX
2686# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2687/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2688 * included the null byte or not. Later amendments of POSIX,
2689 * XPG4, the Austin Group, and the Single UNIX Specification
2690 * all explicitly include the null byte in the PATH_MAX.
2691 * Ditto for _POSIX_PATH_MAX. */
2692# define MAXPATHLEN PATH_MAX
b990c8b2 2693# else
09448d78 2694# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2695# endif
2696# else
2697# define MAXPATHLEN (PATH_MAX+1)
2698# endif
0f31cffe 2699# else
b990c8b2 2700# ifdef _POSIX_PATH_MAX
09448d78 2701# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2702# else
2703# define MAXPATHLEN 1024 /* Err on the large side. */
2704# endif
0f31cffe
GS		 2705# endif
2706#endif
2707
c80263a8
SH		 2708/* In case Configure was not used (we are using a "canned config"
2709 * such as Win32, or a cross-compilation setup, for example) try going
2710 * by the gcc major and minor versions. One useful URL is
2711 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2712 * but contrary to this information warn_unused_result seems
2713 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2714 * Also, when building extensions with an installed perl, this allows
2715 * the user to upgrade gcc and get the right attributes, rather than
2716 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2717 * Set these up now otherwise we get confused when some of the <*thread.h>
2718 * includes below indirectly pull in <perlio.h> (which needs to know if we
2719 * have HASATTRIBUTE_FORMAT).
2720 */
2721
4d7c7898 2722#ifndef PERL_MICRO
fc2007d4 2723#if defined __GNUC__ && !defined(__INTEL_COMPILER)
c80263a8
SH		 2724# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2725# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2726# if defined __MINGW32__
2727# define PRINTF_FORMAT_NULL_OK
2728# endif
c80263a8
SH		 2729# endif
2730# if __GNUC__ >= 3 /* 3.0 -> */
2731# define HASATTRIBUTE_MALLOC
2732# endif
2733# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2734# define HASATTRIBUTE_NONNULL
2735# endif
2736# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2737# define HASATTRIBUTE_NORETURN
2738# endif
2739# if __GNUC__ >= 3 /* gcc 3.0 -> */
2740# define HASATTRIBUTE_PURE
2741# endif
42bf5550 2742# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2743# define HASATTRIBUTE_UNUSED
2744# endif
d324fe49
AD		 2745# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2746# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2747# endif
c80263a8
SH		 2748# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2749# define HASATTRIBUTE_WARN_UNUSED_RESULT
2750# endif
2751#endif
4d7c7898 2752#endif /* #ifndef PERL_MICRO */
c80263a8 2753
3db8f154 2754/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2755 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2756 * this results in many functions being undeclared which bothers C++
2757 * May make sense to have threads after "*ish.h" anyway
2758 */
2759
3db8f154 2760#if defined(USE_ITHREADS)
2986a63f
JH		 2761# ifdef NETWARE
2762# include <nw5thread.h>
2763# else
32f822de
GS		 2764# ifdef FAKE_THREADS
2765# include "fakethr.h"
2766# else
2767# ifdef WIN32
2768# include <win32thread.h>
2769# else
dd96f567
IZ		 2770# ifdef OS2
2771# include "os2thread.h"
2772# else
7f3d1cf1 2773# ifdef I_MACH_CTHREADS
bdd66968 2774# include <mach/cthreads.h>
8f1f23e8 2775# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2776# define MUTEX_INIT_CALLS_MALLOC
2777# endif
7f3d1cf1
BH		 2778typedef cthread_t perl_os_thread;
2779typedef mutex_t perl_mutex;
2780typedef condition_t perl_cond;
2781typedef void * perl_key;
2782# else /* Posix threads */
1f5ae88c
JH		 2783# ifdef I_PTHREAD
2784# include <pthread.h>
2785# endif
7f3d1cf1
BH		 2786typedef pthread_t perl_os_thread;
2787typedef pthread_mutex_t perl_mutex;
2788typedef pthread_cond_t perl_cond;
2789typedef pthread_key_t perl_key;
2790# endif /* I_MACH_CTHREADS */
dd96f567 2791# endif /* OS2 */
32f822de
GS		 2792# endif /* WIN32 */
2793# endif /* FAKE_THREADS */
2986a63f 2794#endif /* NETWARE */
3db8f154 2795#endif /* USE_ITHREADS */
c5be433b 2796
66a93824 2797#if defined(WIN32)
1feb2720 2798# include "win32.h"
c5be433b
GS		 2799#endif
2800
2986a63f
JH		 2801#ifdef NETWARE
2802# include "netware.h"
2803#endif
2804
e5218da5 2805#define STATUS_UNIX PL_statusvalue
68dc0745 2806#ifdef VMS
6b88bc9c 2807# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2808/*
2809 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2810 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2811 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2812 * be updated also.
2813 */
2814# include <stsdef.h>
2815# include <ssdef.h>
2816/* Presume this because if VMS changes it, it will require a new
2817 * set of APIs for waiting on children for binary compatibility.
2818 */
2819# define child_offset_bits (8)
2820# ifndef C_FAC_POSIX
2821# define C_FAC_POSIX 0x35A000
2822# endif
2823
2824/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2825 * platform from the existing UNIX or Native status values.
2826 */
2827
37038d91 2828# define STATUS_EXIT \
7a7fd8e0
JM		 2829 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2830 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2831
7a7fd8e0 2832
fb38d079
JM		 2833/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2834 * exit code and shifts the UNIX value over the correct number of bits to
2835 * be a child status. Usually the number of bits is 8, but that could be
2836 * platform dependent. The NATIVE status code is presumed to have either
2837 * from a child process.
7a7fd8e0
JM		 2838 */
2839
fb38d079
JM		 2840/* This is complicated. The child processes return a true native VMS
2841 status which must be saved. But there is an assumption in Perl that
2842 the UNIX child status has some relationship to errno values, so
2843 Perl tries to translate it to text in some of the tests.
2844 In order to get the string translation correct, for the error, errno
2845 must be EVMSERR, but that generates a different text message
2846 than what the test programs are expecting. So an errno value must
2847 be derived from the native status value when an error occurs.
2848 That will hide the true native status message. With this version of
2849 perl, the true native child status can always be retrieved so that
2850 is not a problem. But in this case, Pl_statusvalue and errno may
2851 have different values in them.
2852 */
7a7fd8e0 2853
fb38d079 2854# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2855 STMT_START { \
2fbb330f
JM		 2856 I32 evalue = (I32)n; \
2857 if (evalue == EVMSERR) { \
2858 PL_statusvalue_vms = vaxc$errno; \
2859 PL_statusvalue = evalue; \
7a7fd8e0 2860 } else { \
2fbb330f 2861 PL_statusvalue_vms = evalue; \
fb38d079 2862 if (evalue == -1) { \
3280af22 2863 PL_statusvalue = -1; \
7a7fd8e0
JM		 2864 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2865 } else \
fb38d079 2866 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2867 set_vaxc_errno(evalue); \
fb38d079
JM		 2868 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2869 set_errno(EVMSERR); \
2870 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2871 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2872 } \
68dc0745 2873 } STMT_END
7a7fd8e0 2874
68dc0745 2875# ifdef VMSISH_STATUS
e5218da5 2876# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2877# else
e5218da5 2878# define STATUS_CURRENT STATUS_UNIX
68dc0745 2879# endif
7a7fd8e0
JM		 2880
2881 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2882 * the NATIVE status to an equivalent value. Can not be used to translate
2883 * exit code values as exit code values are not guaranteed to have any
2884 * relationship at all to errno values.
2885 * This is used when Perl is forcing errno to have a specific value.
2886 */
e5218da5 2887# define STATUS_UNIX_SET(n) \
68dc0745 2888 STMT_START { \
7a7fd8e0 2889 I32 evalue = (I32)n; \
0968cdad 2890 PL_statusvalue = evalue; \
3280af22 2891 if (PL_statusvalue != -1) { \
0968cdad
JM		 2892 if (PL_statusvalue != EVMSERR) { \
2893 PL_statusvalue &= 0xFFFF; \
2894 if (MY_POSIX_EXIT) \
2895 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2896 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2897 } \
2898 else { \
2899 PL_statusvalue_vms = vaxc$errno; \
2900 } \
68dc0745 2901 } \
0968cdad
JM		 2902 else PL_statusvalue_vms = SS$_ABORT; \
2903 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2904 } STMT_END
2905
2906 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2907 * the NATIVE error status based on it. It does not assume that
fb38d079
JM		 2908 * the UNIX/POSIX exit codes have any relationship to errno, except
2909 * that 0 indicates a success. When in the default mode to comply
6ac6a52b
JM		 2910 * with the Perl VMS documentation, any other code sets the NATIVE
2911 * status to a failure code of SS$_ABORT.
fb38d079
JM		 2912 *
2913 * In the new POSIX EXIT mode, native status will be set so that the
2914 * actual exit code will can be retrieved by the calling program or
2915 * shell.
2916 *
2917 * If the exit code is not clearly a UNIX parent or child exit status,
2918 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2919 */
2920
fb38d079 2921# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2922 STMT_START { \
2923 I32 evalue = (I32)n; \
2924 PL_statusvalue = evalue; \
fb38d079
JM		 2925 if (evalue != -1) { \
2926 if (evalue <= 0xFF00) { \
2927 if (evalue > 0xFF) \
2928 evalue = (evalue >> child_offset_bits) & 0xFF; \
2929 if (evalue == 0) \
2930 PL_statusvalue_vms == SS$_NORMAL; \
2931 else \
2932 if (MY_POSIX_EXIT) \
2933 PL_statusvalue_vms = \
2934 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2935 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
0968cdad 2936 else \
6ac6a52b 2937 PL_statusvalue_vms = SS$_ABORT; \
fb38d079
JM		 2938 } else { /* forgive them Perl, for they have sinned */ \
2939 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2940 else PL_statusvalue_vms = vaxc$errno; \
2941 /* And obviously used a VMS status value instead of UNIX */ \
2942 PL_statusvalue = EVMSERR; \
2943 } \
7a7fd8e0
JM		 2944 } \
2945 else PL_statusvalue_vms = SS$_ABORT; \
2946 set_vaxc_errno(PL_statusvalue_vms); \
68dc0745 2947 } STMT_END
fb38d079 2948
6ac6a52b
JM		 2949 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2950 * and sets the NATIVE error status based on it. This special case
2951 * is needed to maintain compatibility with past VMS behavior.
2952 *
2953 * In the default mode on VMS, this number is passed through as
2954 * both the NATIVE and UNIX status. Which makes it different
2955 * that the STATUS_UNIX_EXIT_SET.
2956 *
2957 * In the new POSIX EXIT mode, native status will be set so that the
2958 * actual exit code will can be retrieved by the calling program or
2959 * shell.
2960 *
2961 */
2962
2963# define STATUS_EXIT_SET(n) \
2964 STMT_START { \
2965 I32 evalue = (I32)n; \
2966 PL_statusvalue = evalue; \
2967 if (MY_POSIX_EXIT) \
2968 PL_statusvalue_vms = \
2969 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2970 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
6ac6a52b
JM		 2971 else \
2972 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2973 set_vaxc_errno(PL_statusvalue_vms); \
2974 } STMT_END
2975
fb38d079
JM		 2976
2977 /* This macro forces a success status */
7a7fd8e0
JM		 2978# define STATUS_ALL_SUCCESS \
2979 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 2980
2981 /* This macro forces a failure status */
7a7fd8e0
JM		 2982# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2983 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2984 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2985
68dc0745 2986#else
e5218da5 2987# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2988# if defined(WCOREDUMP)
37038d91 2989# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2990 STMT_START { \
2991 PL_statusvalue_posix = (n); \
2992 if (PL_statusvalue_posix == -1) \
2993 PL_statusvalue = -1; \
2994 else { \
2995 PL_statusvalue = \
2996 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2997 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2998 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2999 } \
3000 } STMT_END
3001# elif defined(WIFEXITED)
37038d91 3002# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3003 STMT_START { \
3004 PL_statusvalue_posix = (n); \
3005 if (PL_statusvalue_posix == -1) \
3006 PL_statusvalue = -1; \
3007 else { \
3008 PL_statusvalue = \
3009 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3010 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3011 } \
3012 } STMT_END
3013# else
37038d91 3014# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3015 STMT_START { \
3016 PL_statusvalue_posix = (n); \
3017 if (PL_statusvalue_posix == -1) \
3018 PL_statusvalue = -1; \
3019 else { \
3020 PL_statusvalue = \
3021 PL_statusvalue_posix & 0xFFFF; \
3022 } \
3023 } STMT_END
3024# endif
3025# define STATUS_UNIX_SET(n) \
68dc0745 3026 STMT_START { \
3280af22
NIS		 3027 PL_statusvalue = (n); \
3028 if (PL_statusvalue != -1) \
3029 PL_statusvalue &= 0xFFFF; \
68dc0745 3030 } STMT_END
7a7fd8e0 3031# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3032# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3033# define STATUS_CURRENT STATUS_UNIX
37038d91 3034# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3035# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3036# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3037#endif
3038
cc3604b1
GS		 3039/* flags in PL_exit_flags for nature of exit() */
3040#define PERL_EXIT_EXPECTED 0x01
31d77e54 3041#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3042
0b94c7bb 3043#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 3044# define MEMBER_TO_FPTR(name) name
3045#endif
3046
3047/* format to use for version numbers in file/directory names */
273cf8d1 3048/* XXX move to Configure? */
a7cb1f99 3049#ifndef PERL_FS_VER_FMT
273cf8d1 3050# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 3051#endif
3052
45bc9206 3053/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3054 * performance issue, so we allow people to disable it. Also, if
3055 * we are using stdio, there are broken implementations of fflush(NULL)
3056 * out there, Solaris being the most prominent.
45bc9206
GS		 3057 */
3058#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3059# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3060# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3061# else
3062# ifdef FFLUSH_ALL
3063# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3064# else
c5be433b 3065# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3066# endif
66fe083f 3067# endif
45bc9206
GS		 3068#endif
3069
7766f137
GS		 3070#ifndef PERL_WAIT_FOR_CHILDREN
3071# define PERL_WAIT_FOR_CHILDREN NOOP
3072#endif
3073
ba869deb 3074/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3075#ifndef PERL_SET_INTERP
3076# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3077#endif
3078
3079#ifndef PERL_GET_INTERP
3080# define PERL_GET_INTERP (PL_curinterp)
3081#endif
3082
54aff467 3083#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3084# ifdef MULTIPLICITY
ba869deb 3085# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3086# endif
ba869deb
GS		 3087# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3088#endif
3089
8896765a
RB		 3090/*
3091 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3092 All that is required is that the perl source does not
8896765a
RB		 3093 use "%-p" or "%-<number>p" or "%<number>p" formats.
3094 These formats will still work in perl code.
3095 See comments in sv.c for futher details.
3096
8896765a 3097 Robin Barker 2005-07-14
f46d31f2
RB		 3098
3099 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3100*/
8896765a
RB		 3101
3102#ifndef SVf_
63ce7bf0 3103# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3104#endif
3105
8896765a 3106#ifndef SVf
104abab4 3107# define SVf "-p"
d2560b70
RB		 3108#endif
3109
014ead4b 3110#ifndef SVf32
8896765a 3111# define SVf32 SVf_(32)
014ead4b
RB		 3112#endif
3113
3114#ifndef SVf256
8896765a
RB		 3115# define SVf256 SVf_(256)
3116#endif
3117
be2597df
MHM		 3118#define SVfARG(p) ((void*)(p))
3119
f46d31f2
RB		 3120#ifdef PERL_CORE
3121/* not used; but needed for backward compatibilty with XS code? - RMB */
3122# undef VDf
3123#else
3124# ifndef VDf
8896765a
RB		 3125# define VDf "vd"
3126# endif
014ead4b 3127#endif
170cd9e9
NC		 3128
3129#ifdef PERL_CORE
f5992bc4 3130/* not used; but needed for backward compatibilty with XS code? - RMB */
7776bb98
RB		 3131# undef UVf
3132#else
170cd9e9
NC		 3133# ifndef UVf
3134# define UVf UVuf
3135# endif
d2560b70
RB		 3136#endif
3137
0dbb1585
AL		 3138#ifdef HASATTRIBUTE_FORMAT
3139# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3140#endif
3141#ifdef HASATTRIBUTE_MALLOC
77785eea 3142# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3143#endif
0dbb1585 3144#ifdef HASATTRIBUTE_NONNULL
abb2c242 3145# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3146#endif
0dbb1585 3147#ifdef HASATTRIBUTE_NORETURN
abb2c242 3148# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3149#endif
0dbb1585 3150#ifdef HASATTRIBUTE_PURE
abb2c242 3151# define __attribute__pure__ __attribute__((pure))
f22be1b8 3152#endif
0dbb1585
AL		 3153#ifdef HASATTRIBUTE_UNUSED
3154# define __attribute__unused__ __attribute__((unused))
3155#endif
3156#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3157# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3158#endif
3159
0dbb1585
AL		 3160/* If we haven't defined the attributes yet, define them to blank. */
3161#ifndef __attribute__format__
3162# define __attribute__format__(x,y,z)
3163#endif
f22be1b8 3164#ifndef __attribute__malloc__
abb2c242 3165# define __attribute__malloc__
f22be1b8
JH		 3166#endif
3167#ifndef __attribute__nonnull__
abb2c242 3168# define __attribute__nonnull__(a)
f22be1b8
JH		 3169#endif
3170#ifndef __attribute__noreturn__
abb2c242 3171# define __attribute__noreturn__
f22be1b8
JH		 3172#endif
3173#ifndef __attribute__pure__
abb2c242 3174# define __attribute__pure__
f22be1b8 3175#endif
0dbb1585
AL		 3176#ifndef __attribute__unused__
3177# define __attribute__unused__
3178#endif
f22be1b8 3179#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3180# define __attribute__warn_unused_result__
3181#endif
3182
0dbb1585
AL		 3183/* For functions that are marked as __attribute__noreturn__, it's not
3184 appropriate to call return. In either case, include the lint directive.
3185 */
3186#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3187# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3188#else
b37c2d43 3189# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH		 3190#endif
3191
cdfeb707
RB		 3192/* Some OS warn on NULL format to printf */
3193#ifdef PRINTF_FORMAT_NULL_OK
3194# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3195#else
3196# define __attribute__format__null_ok__(x,y,z)
3197#endif
3198
635aebb7 3199#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3200# define EXPECT(expr,val) __builtin_expect(expr,val)
3201#else
3202# define EXPECT(expr,val) (expr)
3203#endif
3204#define LIKELY(cond) EXPECT(cond,1)
3205#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3206#ifdef HAS_BUILTIN_CHOOSE_EXPR
3207/* placeholder */
3208#endif
b37c2d43 3209
3fc1aec6 3210/* Some unistd.h's give a prototype for pause() even though
3211 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3212 below to be rejected by the compiler. Sigh.
3fc1aec6 3213*/
3214#ifdef HAS_PAUSE
3215#define Pause pause
3216#else
3217#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3218#endif
3219
3220#ifndef IOCPARM_LEN
3221# ifdef IOCPARM_MASK
61f1c44b 3222 /* on BSDish systems we're safe */
748a9306
LW		 3223# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3224# else
61f1c44b 3225# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3226 /* on Linux systems we're safe; except when we're not [perl #38223] */
3227# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3228# else
748a9306 3229 /* otherwise guess at what's safe */
61f1c44b
JVD		 3230# define IOCPARM_LEN(x) 256
3231# endif
748a9306 3232# endif
a0d0e21e
LW		 3233#endif
3234
1761cee5 3235#if defined(__CYGWIN__)
521e0776
GS		 3236/* USEMYBINMODE
3237 * This symbol, if defined, indicates that the program should
16fe6d59 3238 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3239 * that a file is in "binary" mode -- that is, that no translation
3240 * of bytes occurs on read or write operations.
3241 */
36894f0b 3242# define USEMYBINMODE /**/
77a40698 3243# include <io.h> /* for setmode() prototype */
16fe6d59 3244# define my_binmode(fp, iotype, mode) \
77a40698 3245 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3246#endif
3247
88d10794
JH		 3248#ifdef __CYGWIN__
3249void init_os_extras(void);
3250#endif
3251
cea2e8a9
GS		 3252#ifdef UNION_ANY_DEFINITION
3253UNION_ANY_DEFINITION;
3254#else
3255union any {
3256 void* any_ptr;
3257 I32 any_i32;
3258 IV any_iv;
3259 long any_long;
9febdf04 3260 bool any_bool;
c76ac1ee 3261 void (*any_dptr) (void*);
acfe0abc 3262 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3263};
3264#endif
3265
acfe0abc 3266typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3267
3268#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3269#define FILTER_DATA(idx) \
3270 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3271#define FILTER_ISREADER(idx) \
3272 (PL_parser && PL_parser->rsfp_filters \
3273 && idx >= AvFILLp(PL_parser->rsfp_filters))
3274#define PERL_FILTER_EXISTS(i) \
3275 (PL_parser && PL_parser->rsfp_filters \
3276 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3277
c5078cac
JH		 3278#if defined(_AIX) && !defined(_AIX43)
3279#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3280/* We cannot include <crypt.h> to get the struct crypt_data
3281 * because of setkey prototype problems when threading */
3282typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3283 /* From OSF, Not needed in AIX
3284 char C[28], D[28];
3285 */
3286 char E[48];
3287 char KS[16][48];
3288 char block[66];
3289 char iobuf[16];
3290} CRYPTD;
3291#endif /* threading */
3292#endif /* AIX */
3293
af8b425d 3294#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 3295# include "iperlsys.h"
3296#endif
504f80c1 3297
9c12f1e5
RGS		 3298#ifdef __LIBCATAMOUNT__
3299#undef HAS_PASSWD /* unixish.h but not unixish enough. */
3300#undef HAS_GROUP
3301#define FAKE_BIT_BUCKET
3302#endif
3303
d10dc2ae
JH		 3304/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3305 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3306 * defined by Configure, despite their names being similar to the
3307 * other defines like USE_ITHREADS. Configure in fact knows nothing
3308 * about the randomised hashes. Therefore to enable/disable the hash
3309 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3310#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3311# define USE_HASH_SEED
504f80c1
JH		 3312#endif
3313
598921a7
NC		 3314/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3315 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3316 * it's not really needed.
3317 */
3318#if defined(WIN32)
3319# define YYTOKENTYPE
3320#endif
3321#include "perly.h"
3322
3323#ifdef PERL_MAD
3324struct nexttoken {
3325 YYSTYPE next_val; /* value of next token, if any */
3326 I32 next_type; /* type of next token */
3327 MADPROP *next_mad; /* everything else about that token */
3328};
3329#endif
3330
654eccd5
JD		 3331/* macros to define bit-fields in structs. */
3332#ifndef PERL_BITFIELD8
3333# define PERL_BITFIELD8 unsigned
3334#endif
3335#ifndef PERL_BITFIELD16
3336# define PERL_BITFIELD16 unsigned
3337#endif
3338#ifndef PERL_BITFIELD32
3339# define PERL_BITFIELD32 unsigned
3340#endif
3341
79072805 3342#include "sv.h"
288b8c02 3343#include "regexp.h"
378cc40b 3344#include "util.h"
8d063cd8 3345#include "form.h"
79072805 3346#include "gv.h"
dd2155a4 3347#include "pad.h"
79072805 3348#include "cv.h"
abdd5c84 3349#include "opnames.h"
79072805 3350#include "op.h"
b3ca2e83 3351#include "hv.h"
79072805
LW		 3352#include "cop.h"
3353#include "av.h"
79072805
LW		 3354#include "mg.h"
3355#include "scope.h"
4438c4b7 3356#include "warnings.h"
a0ed51b3 3357#include "utf8.h"
8d063cd8 3358
20f4945e
MHM		 3359/* defined in sv.c, but also used in [ach]v.c */
3360#undef _XPV_ALLOCATED_HEAD
3361#undef _XPV_HEAD
3362#undef _XPVMG_HEAD
3363#undef _XPVCV_COMMON
7fae4e64
GS		 3364
3365typedef struct _sublex_info SUBLEXINFO;
3366struct _sublex_info {
651b5b28
NC		 3367 U8 super_state; /* lexer state to save */
3368 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3369 OP *sub_op; /* "lex_op" to use */
f06b5848
DM		 3370 char *super_bufptr; /* PL_parser->bufptr that was */
3371 char *super_bufend; /* PL_parser->bufend that was */
7fae4e64
GS		 3372};
3373
199e78b7
DM		 3374#include "parser.h"
3375
455ece5e 3376typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3377
2c2d71f5 3378struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3379struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3380
6f51351d
NC		 3381/* Keep next first in this structure, because sv_free_arenas take
3382 advantage of this to share code between the pte arenas and the SV
3383 body arenas */
5f7fde29
GS		 3384struct ptr_tbl_ent {
3385 struct ptr_tbl_ent* next;
53c1dcc0 3386 const void* oldval;
5f7fde29 3387 void* newval;
d18c6117
GS		 3388};
3389
5f7fde29
GS		 3390struct ptr_tbl {
3391 struct ptr_tbl_ent** tbl_ary;
3392 UV tbl_max;
3393 UV tbl_items;
d18c6117
GS		 3394};
3395
450a55e4 3396#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3397# define I286
3398#endif
3399
fe14fcc3
LW		 3400#if defined(htonl) && !defined(HAS_HTONL)
3401#define HAS_HTONL
ae986130 3402#endif
fe14fcc3
LW		 3403#if defined(htons) && !defined(HAS_HTONS)
3404#define HAS_HTONS
ae986130 3405#endif
fe14fcc3
LW		 3406#if defined(ntohl) && !defined(HAS_NTOHL)
3407#define HAS_NTOHL
ae986130 3408#endif
fe14fcc3
LW		 3409#if defined(ntohs) && !defined(HAS_NTOHS)
3410#define HAS_NTOHS
ae986130 3411#endif
fe14fcc3 3412#ifndef HAS_HTONL
d9d8d8de 3413#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3414#define HAS_HTONS
3415#define HAS_HTONL
3416#define HAS_NTOHS
3417#define HAS_NTOHL
a687059c
LW		 3418#define MYSWAP
3419#define htons my_swap
3420#define htonl my_htonl
3421#define ntohs my_swap
3422#define ntohl my_ntohl
3423#endif
3424#else
d9d8d8de 3425#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3426#undef HAS_HTONS
3427#undef HAS_HTONL
3428#undef HAS_NTOHS
3429#undef HAS_NTOHL
a687059c
LW		 3430#endif
3431#endif
3432
988174c1
LW		 3433/*
3434 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3435 * -DWS
3436 */
3437#if BYTEORDER != 0x1234
3438# define HAS_VTOHL
3439# define HAS_VTOHS
3440# define HAS_HTOVL
3441# define HAS_HTOVS
c67712b2 3442# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3443# define vtohl(x) ((((x)&0xFF)<<24) \
3444 +(((x)>>24)&0xFF) \
3445 +(((x)&0x0000FF00)<<8) \
3446 +(((x)&0x00FF0000)>>8) )
3447# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3448# define htovl(x) vtohl(x)
3449# define htovs(x) vtohs(x)
3450# endif
3451 /* otherwise default to functions in util.c */
2a8c3029 3452#ifndef htovs
c623ac67
GS		 3453short htovs(short n);
3454short vtohs(short n);
3455long htovl(long n);
3456long vtohl(long n);
988174c1 3457#endif
2a8c3029 3458#endif
988174c1 3459
3bb7c1b4
JH		 3460/* *MAX Plus 1. A floating point value.
3461 Hopefully expressed in a way that dodgy floating point can't mess up.
3462 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3463 is added to it
3464 May find that some broken compiler will want the value cast to I32.
3465 [after the shift, as signed >> may not be as secure as unsigned >>]
3466*/
3467#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3468#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3469/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3470 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3471 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3472*/
3473#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3474
3bb7c1b4
JH		 3475#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3476#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3477#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3478
3479/* This may look like unnecessary jumping through hoops, but converting
3480 out of range floating point values to integers *is* undefined behaviour,
3481 and it is starting to bite.
3482*/
3483#ifndef CAST_INLINE
65202027 3484#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3485#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3486#define I_V(what) (cast_iv((NV)(what)))
3487#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3488#else
3489#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3490 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3491 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3492#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3493 : ((n) < U32_MAX_P1 ? (U32) (n) \
3494 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3495#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3496 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3497 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3498#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3499 : ((n) < UV_MAX_P1 ? (UV) (n) \
3500 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3501#endif
3502
3503#define U_S(what) ((U16)U_32(what))
3504#define U_I(what) ((unsigned int)U_32(what))
3505#define U_L(what) U_32(what)
ed6116ce 3506
ed140128
AD		 3507#ifdef HAS_SIGNBIT
3508# define Perl_signbit signbit
3509#endif
3510
2d4389e4
JH		 3511/* These do not care about the fractional part, only about the range. */
3512#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3513#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3514
25da4f38
IZ		 3515/* Used with UV/IV arguments: */
3516 /* XXXX: need to speed it up */
3517#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3518#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3519
352d5a3a
LW		 3520#ifndef MAXSYSFD
3521# define MAXSYSFD 2
3522#endif
ee0007ab 3523
79072805 3524#ifndef __cplusplus
27da23d5 3525#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3526Uid_t getuid (void);
3527Uid_t geteuid (void);
3528Gid_t getgid (void);
3529Gid_t getegid (void);
79072805 3530#endif
e1caacb4 3531#endif
8d063cd8 3532
0c30d9ec 3533#ifndef Perl_debug_log
bf49b057
GS		 3534# define Perl_debug_log PerlIO_stderr()
3535#endif
3536
3537#ifndef Perl_error_log
3538# define Perl_error_log (PL_stderrgv \
6b78add2 3539 && isGV(PL_stderrgv) \
01bb7c6d 3540 && GvIOp(PL_stderrgv) \
42de951c 3541 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3542 ? IoOFP(GvIOp(PL_stderrgv)) \
3543 : PerlIO_stderr())
0c30d9ec 3544#endif
3967c732 3545
aea4f609
DM		 3546
3547#define DEBUG_p_FLAG 0x00000001 /* 1 */
3548#define DEBUG_s_FLAG 0x00000002 /* 2 */
3549#define DEBUG_l_FLAG 0x00000004 /* 4 */
3550#define DEBUG_t_FLAG 0x00000008 /* 8 */
3551#define DEBUG_o_FLAG 0x00000010 /* 16 */
3552#define DEBUG_c_FLAG 0x00000020 /* 32 */
3553#define DEBUG_P_FLAG 0x00000040 /* 64 */
3554#define DEBUG_m_FLAG 0x00000080 /* 128 */
3555#define DEBUG_f_FLAG 0x00000100 /* 256 */
3556#define DEBUG_r_FLAG 0x00000200 /* 512 */
3557#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3558#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3559/* U is reserved for Unofficial, exploratory hacking */
3560#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3561#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3562#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3563#define DEBUG_D_FLAG 0x00008000 /* 32768 */
d2c25739 3564/* 0x00010000 is unused, used to be S */
aea4f609 3565#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3566#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3567#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3568#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3569#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3570#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3571#define DEBUG_q_FLAG 0x00800000 /*8388608 */
d2c25739 3572#define DEBUG_MASK 0x00FEEFFF /* mask of all the standard flags */
aea4f609
DM		 3573
3574#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3575#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3576 that something was done? */
aea4f609 3577
bd16a5f0
IZ		 3578# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3579# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3580# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3581# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3582# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3583# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3584# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3585# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3586# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3587# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3588# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3589# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3590# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3591# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3592# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3593# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
bd16a5f0
IZ		 3594# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3595# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3596# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3597# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3598# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3599# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3600# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3601# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3602# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3603
3967c732 3604#ifdef DEBUGGING
aea4f609 3605
bd16a5f0
IZ		 3606# define DEBUG_p_TEST DEBUG_p_TEST_
3607# define DEBUG_s_TEST DEBUG_s_TEST_
3608# define DEBUG_l_TEST DEBUG_l_TEST_
3609# define DEBUG_t_TEST DEBUG_t_TEST_
3610# define DEBUG_o_TEST DEBUG_o_TEST_
3611# define DEBUG_c_TEST DEBUG_c_TEST_
3612# define DEBUG_P_TEST DEBUG_P_TEST_
3613# define DEBUG_m_TEST DEBUG_m_TEST_
3614# define DEBUG_f_TEST DEBUG_f_TEST_
3615# define DEBUG_r_TEST DEBUG_r_TEST_
3616# define DEBUG_x_TEST DEBUG_x_TEST_
3617# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3618# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3619# define DEBUG_H_TEST DEBUG_H_TEST_
3620# define DEBUG_X_TEST DEBUG_X_TEST_
3621# define DEBUG_D_TEST DEBUG_D_TEST_
bd16a5f0
IZ		 3622# define DEBUG_T_TEST DEBUG_T_TEST_
3623# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3624# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3625# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3626# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3627# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3628# define DEBUG_q_TEST DEBUG_q_TEST_
7949c6f5
JC		 3629# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3630# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
aea4f609 3631
488b0c7a
JH		 3632# define PERL_DEB(a) a
3633# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3634# define DEBUG_p(a) if (DEBUG_p_TEST) a
3635# define DEBUG_s(a) if (DEBUG_s_TEST) a
3636# define DEBUG_l(a) if (DEBUG_l_TEST) a
3637# define DEBUG_t(a) if (DEBUG_t_TEST) a
3638# define DEBUG_o(a) if (DEBUG_o_TEST) a
3639# define DEBUG_c(a) if (DEBUG_c_TEST) a
3640# define DEBUG_P(a) if (DEBUG_P_TEST) a
3641
969058bb
VK		 3642 /* Temporarily turn off memory debugging in case the a
3643 * does memory allocation, either directly or indirectly. */
acfe0abc 3644# define DEBUG_m(a) \
0b250b9e 3645 STMT_START { \
aea4f609 3646 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3647 } STMT_END
aea4f609 3648
5f80b19c
AMS		 3649# define DEBUG__(t, a) \
3650 STMT_START { \
3651 if (t) STMT_START {a;} STMT_END; \
3652 } STMT_END
3653
3654# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3655#ifndef PERL_EXT_RE_BUILD
5f80b19c 3656# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3657#else
3658# define DEBUG_r(a) STMT_START {a;} STMT_END
3659#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3660# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3661# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3662# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3663# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3664# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3665# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3666# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3667# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
aea4f609 3668
5f80b19c
AMS		 3669# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3670# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3671# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3672# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3673# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3674# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 3675
3676#else /* DEBUGGING */
3677
3678# define DEBUG_p_TEST (0)
3679# define DEBUG_s_TEST (0)
3680# define DEBUG_l_TEST (0)
3681# define DEBUG_t_TEST (0)
3682# define DEBUG_o_TEST (0)
3683# define DEBUG_c_TEST (0)
3684# define DEBUG_P_TEST (0)
3685# define DEBUG_m_TEST (0)
3686# define DEBUG_f_TEST (0)
3687# define DEBUG_r_TEST (0)
3688# define DEBUG_x_TEST (0)
3689# define DEBUG_u_TEST (0)
88d2d28a 3690# define DEBUG_U_TEST (0)
aea4f609
DM		 3691# define DEBUG_H_TEST (0)
3692# define DEBUG_X_TEST (0)
3693# define DEBUG_D_TEST (0)
aea4f609 3694# define DEBUG_T_TEST (0)
04932ac8 3695# define DEBUG_R_TEST (0)
1045810a 3696# define DEBUG_J_TEST (0)
d6721266 3697# define DEBUG_v_TEST (0)
46187eeb 3698# define DEBUG_C_TEST (0)
ecae49c0
NC		 3699# define DEBUG_A_TEST (0)
3700# define DEBUG_q_TEST (0)
7949c6f5
JC		 3701# define DEBUG_Xv_TEST (0)
3702# define DEBUG_Uv_TEST (0)
aea4f609 3703
488b0c7a
JH		 3704# define PERL_DEB(a)
3705# define PERL_DEBUG(a)
aea4f609
DM		 3706# define DEBUG_p(a)
3707# define DEBUG_s(a)
3708# define DEBUG_l(a)
3709# define DEBUG_t(a)
3710# define DEBUG_o(a)
3711# define DEBUG_c(a)
3712# define DEBUG_P(a)
3713# define DEBUG_m(a)
3714# define DEBUG_f(a)
3715# define DEBUG_r(a)
3716# define DEBUG_x(a)
3717# define DEBUG_u(a)
88d2d28a 3718# define DEBUG_U(a)
aea4f609
DM		 3719# define DEBUG_H(a)
3720# define DEBUG_X(a)
3721# define DEBUG_D(a)
aea4f609 3722# define DEBUG_T(a)
04932ac8 3723# define DEBUG_R(a)
d6721266 3724# define DEBUG_v(a)
46187eeb 3725# define DEBUG_C(a)
ecae49c0
NC		 3726# define DEBUG_A(a)
3727# define DEBUG_q(a)
7949c6f5
JC		 3728# define DEBUG_Xv(a)
3729# define DEBUG_Uv(a)
aea4f609
DM		 3730#endif /* DEBUGGING */
3731
3732
b4ab917c
DM		 3733#define DEBUG_SCOPE(where) \
3734 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3735 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM		 3736
3737
3738
3739
d1be9408 3740/* These constants should be used in preference to raw characters
14befaf4
DM		 3741 * when using magic. Note that some perl guts still assume
3742 * certain character properties of these constants, namely that
3743 * isUPPER() and toLOWER() may do useful mappings.
3744 *
3745 * Update the magic_names table in dump.c when adding/amending these
3746 */
3747
3748#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3749#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3750#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3751#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3752#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3753#define PERL_MAGIC_regdata 'D' /* Regex match position data
3754 (@+ and @- vars) */
3755#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3756#define PERL_MAGIC_env 'E' /* %ENV hash */
3757#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3758#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3759#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
b3ca2e83
NC		 3760#define PERL_MAGIC_hints 'H' /* %^H hash */
3761#define PERL_MAGIC_hintselem 'h' /* %^H hash element */
14befaf4
DM		 3762#define PERL_MAGIC_isa 'I' /* @ISA array */
3763#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3764#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3765#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3766#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3767#define PERL_MAGIC_shared 'N' /* Shared between threads */
3768#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3769#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3770#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3771#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3772#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3773#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3774#define PERL_MAGIC_sig 'S' /* %SIG hash */
3775#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3776#define PERL_MAGIC_taint 't' /* Taintedness */
3777#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3778#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3779#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3780#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3781#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3782#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3783#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3784 smart parameter vivification */
14befaf4
DM		 3785#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3786#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3787#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3788#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3789#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3790#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM		 3791#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3792
de84dc04
NC