This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
https://perl5.git.perl.org / perl5.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Fix for tainting regression in a test of Text::Template spotted by
[perl5.git] / perl.h
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
1129b882
NC		 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008 by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
b0f06652
VK		 37# ifndef USE_CROSS_COMPILE
38# include "config.h"
39# else
40# include "xconfig.h"
41# endif
12ae5dfc 42#endif
0cb96387 43
ec2019ad
NC		 44/* This logic needs to come after reading config.h, but before including
45 proto.h */
46#ifdef IAMSUID
47# ifndef DOSUID
48# define DOSUID
49# endif
50#endif
51
52#ifdef SETUID_SCRIPTS_ARE_SECURE_NOW
53# ifdef DOSUID
54# undef DOSUID
55# endif
56# ifdef IAMSUID
57# undef IAMSUID
58# define SETUID_SCRIPTS_ARE_SECURE_NOW_AND_IAMSUID
59# endif
60#endif
61
2c2d71f5
JH		 62/* See L<perlguts/"The Perl API"> for detailed notes on
63 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
64
ac6bedea
JH		 65/* Note that from here --> to <-- the same logic is
66 * repeated in makedef.pl, so be certain to update
67 * both places when editing. */
68
894ccb8c
JH		 69#ifdef PERL_IMPLICIT_SYS
70/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
71 so use slab allocator to avoid lots of MUTEX overhead
72 */
73# ifndef PL_OP_SLAB_ALLOC
74# define PL_OP_SLAB_ALLOC
75# endif
ba979b31
NIS		 76#endif
77
6f4183fe 78#ifdef USE_ITHREADS
acfe0abc 79# if !defined(MULTIPLICITY)
6f4183fe
GS		 80# define MULTIPLICITY
81# endif
82#endif
83
27da23d5
JH		 84#ifdef PERL_GLOBAL_STRUCT_PRIVATE
85# ifndef PERL_GLOBAL_STRUCT
86# define PERL_GLOBAL_STRUCT
87# endif
88#endif
97aff369 89
27da23d5
JH		 90#ifdef PERL_GLOBAL_STRUCT
91# ifndef MULTIPLICITY
92# define MULTIPLICITY
93# endif
94#endif
95
97aff369
JH		 96#ifdef MULTIPLICITY
97# ifndef PERL_IMPLICIT_CONTEXT
98# define PERL_IMPLICIT_CONTEXT
99# endif
100#endif
101
026fd48b
GH		 102/* undef WIN32 when building on Cygwin (for libwin32) - gph */
103#ifdef __CYGWIN__
104# undef WIN32
105# undef _WIN32
106#endif
107
27da23d5
JH		 108#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
109# ifndef SYMBIAN
110# define SYMBIAN
111# endif
112#endif
113
a0fd4948 114#ifdef __SYMBIAN32__
27da23d5
JH		 115# include "symbian/symbian_proto.h"
116#endif
117
118/* Any stack-challenged places. The limit varies (and often
119 * is configurable), but using more than a kilobyte of stack
120 * is usually dubious in these systems. */
a0fd4948 121#if defined(EPOC) || defined(__SYMBIAN32__)
27da23d5
JH		 122/* EPOC/Symbian: need to work around the SDK features. *
123 * On WINS: MS VC5 generates calls to _chkstk, *
124 * if a "large" stack frame is allocated. *
125 * gcc on MARM does not generate calls like these. */
126# define USE_HEAP_INSTEAD_OF_STACK
127#endif
128
129#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 130/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 131#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 132# define USE_REENTRANT_API
133#endif
134
ac6bedea
JH		 135/* <--- here ends the logic shared by perl.h and makedef.pl */
136
af28e889 137/*
6239f2da
JH		 138 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
139 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 140 * __bsdi__ for BSD/OS
141 */
6239f2da 142#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 143# ifndef BSDish
144# define BSDish
145# endif
146#endif
147
27da23d5
JH		 148#ifdef PERL_GLOBAL_STRUCT
149# ifndef PERL_GET_VARS
150# ifdef PERL_GLOBAL_STRUCT_PRIVATE
151 extern struct perl_vars* Perl_GetVarsPrivate();
152# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
153# ifndef PERLIO_FUNCS_CONST
154# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
155# endif
156# else
157# define PERL_GET_VARS() PL_VarsPtr
158# endif
159# endif
160#endif
161
7a89be66 162#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH		 163
164#ifdef PERL_GLOBAL_STRUCT
165# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
166#else
167# define dVAR dNOOP
168#endif
169
c5be433b 170#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 171# ifndef MULTIPLICITY
172# define MULTIPLICITY
c5be433b 173# endif
e8dda941 174# define tTHX PerlInterpreter*
5ba4cab2 175# define pTHX register tTHX my_perl PERL_UNUSED_DECL
3db8f154 176# define aTHX my_perl
27da23d5 177# ifdef PERL_GLOBAL_STRUCT
e8dda941 178# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 179# else
e8dda941 180# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH		 181# endif
182# ifdef PERL_GLOBAL_STRUCT
183# define dTHX dVAR; pTHX = PERL_GET_THX
184# else
185# define dTHX pTHX = PERL_GET_THX
186# endif
c5be433b 187# define pTHX_ pTHX,
c5be433b 188# define aTHX_ aTHX,
4373e329 189# define pTHX_1 2
894356b3
GS		 190# define pTHX_2 3
191# define pTHX_3 4
192# define pTHX_4 5
4373e329
AL		 193# define pTHX_5 6
194# define pTHX_6 7
a3b680e6
AL		 195# define pTHX_7 8
196# define pTHX_8 9
197# define pTHX_9 10
e8dda941
JD		 198# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
199# define PERL_TRACK_MEMPOOL
200# endif
201#else
202# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 203#endif
204
76e3520e
GS		 205#define STATIC static
206#define CPERLscope(x) x
565764a8 207#define CPERLarg void
76e3520e 208#define CPERLarg_
e3b8966e 209#define _CPERLarg
1d583055
GS		 210#define PERL_OBJECT_THIS
211#define _PERL_OBJECT_THIS
212#define PERL_OBJECT_THIS_
312caa8e 213#define CALL_FPTR(fptr) (*fptr)
76e3520e 214
312caa8e 215#define CALLRUNOPS CALL_FPTR(PL_runops)
f9f4320a 216
3ab4a224 217#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 218
3ab4a224
AB		 219#define CALLREGCOMP_ENG(prog, sv, flags) \
220 CALL_FPTR(((prog)->comp))(aTHX_ sv, flags)
f9f4320a 221#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
07bc277f 222 CALL_FPTR(RX_ENGINE(prog)->exec)(aTHX_ (prog),(stringarg),(strend), \
f9f4320a
YO		 223 (strbeg),(minend),(screamer),(data),(flags))
224#define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \
07bc277f 225 CALL_FPTR(RX_ENGINE(prog)->intuit)(aTHX_ (prog), (sv), (strpos), \
f9f4320a
YO		 226 (strend),(flags),(data))
227#define CALLREG_INTUIT_STRING(prog) \
07bc277f 228 CALL_FPTR(RX_ENGINE(prog)->checkstr)(aTHX_ (prog))
f8149455 229
f8149455
YO		 230#define CALLREGFREE(prog) \
231 Perl_pregfree(aTHX_ (prog))
232
233#define CALLREGFREE_PVT(prog) \
07bc277f 234 if(prog) CALL_FPTR(RX_ENGINE(prog)->free)(aTHX_ (prog))
f8149455 235
2fdbfb4d 236#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
07bc277f 237 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_FETCH)(aTHX_ (rx),(paren),(usesv))
93b32b6d 238
2fdbfb4d 239#define CALLREG_NUMBUF_STORE(rx,paren,value) \
07bc277f 240 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_STORE)(aTHX_ (rx),(paren),(value))
2fdbfb4d
AB		 241
242#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
07bc277f 243 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_LENGTH)(aTHX_ (rx),(sv),(paren))
2fdbfb4d 244
192b9cd1 245#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
07bc277f 246 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
192b9cd1
AB		 247
248#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
07bc277f 249 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
192b9cd1
AB		 250
251#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
07bc277f 252 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB		 253
254#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
07bc277f 255 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB		 256
257#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
07bc277f 258 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB		 259
260#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
07bc277f 261 CALL_FPTR(RX_ENGINE(rx)->named_buff_iter)(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB		 262
263#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
07bc277f 264 CALL_FPTR(RX_ENGINE(rx)->named_buff_iter)(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB		 265
266#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
07bc277f 267 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
AB		 268
269#define CALLREG_NAMED_BUFF_COUNT(rx) \
07bc277f 270 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
192b9cd1
AB		 271
272#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
07bc277f 273 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 274
49d7dfbc 275#define CALLREG_PACKAGE(rx) \
07bc277f 276 CALL_FPTR(RX_ENGINE(rx)->qr_package)(aTHX_ (rx))
93b32b6d 277
f9f4320a
YO		 278#if defined(USE_ITHREADS)
279#define CALLREGDUPE(prog,param) \
f8149455
YO		 280 Perl_re_dup(aTHX_ (prog),(param))
281
282#define CALLREGDUPE_PVT(prog,param) \
07bc277f 283 (prog ? CALL_FPTR(RX_ENGINE(prog)->dupe)(aTHX_ (prog),(param)) \
f9f4320a
YO		 284 : (REGEXP *)NULL)
285#endif
14dd3ad8 286
a20207d7 287
bcdf7404 288
a20207d7
YO		 289
290
5ba4cab2
SH		 291/*
292 * Because of backward compatibility reasons the PERL_UNUSED_DECL
293 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
294 *
295 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 296 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 297 * marking unused variables (they need e.g. a #pragma) and therefore
298 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
299 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
300 *
301 */
1266ad8c 302
9969cdde 303#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 304# ifdef __cplusplus
5ba4cab2 305# define PERL_UNUSED_DECL
5b2bd0a5 306# else
5ba4cab2 307# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 308# endif
309#endif
44dbb695 310
5b2bd0a5 311#ifndef PERL_UNUSED_DECL
34659ad4 312# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 313# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 314# else
5ba4cab2 315# define PERL_UNUSED_DECL
b79c357a 316# endif
5b2bd0a5
AMS		 317#endif
318
349b520e
DM		 319/* gcc -Wall:
320 * for silencing unused variables that are actually used most of the time,
a0288114 321 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 322 */
53c1dcc0 323#ifndef PERL_UNUSED_ARG
c99ffe5e 324# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 325# include <note.h>
53c1dcc0 326# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 327# else
53c1dcc0 328# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 329# endif
330#endif
53c1dcc0
AL		 331#ifndef PERL_UNUSED_VAR
332# define PERL_UNUSED_VAR(x) ((void)x)
333#endif
ad73156c 334
96a5add6
AL		 335#ifdef USE_ITHREADS
336# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
337#else
338# define PERL_UNUSED_CONTEXT
339#endif
340
6f207bd3 341#define NOOP /*EMPTY*/(void)0
6b484a99
JH		 342#if !defined(HASATTRIBUTE_UNUSED) && defined(__cplusplus)
343#define dNOOP /*EMPTY*/(void)0 /* Older g++ has no __attribute((unused))__ */
344#else
6f207bd3 345#define dNOOP extern int /*@unused@*/ Perl___notused PERL_UNUSED_DECL
6b484a99 346#endif
71be2cbc 347
0cb96387 348#ifndef pTHX
e8dda941
JD		 349/* Don't bother defining tTHX and sTHX; using them outside
350 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
351 */
0cb96387
GS		 352# define pTHX void
353# define pTHX_
0cb96387
GS		 354# define aTHX
355# define aTHX_
0cb96387
GS		 356# define dTHXa(a) dNOOP
357# define dTHX dNOOP
894356b3
GS		 358# define pTHX_1 1
359# define pTHX_2 2
360# define pTHX_3 3
361# define pTHX_4 4
3d42dc86
RGS		 362# define pTHX_5 5
363# define pTHX_6 6
a3b680e6
AL		 364# define pTHX_7 7
365# define pTHX_8 8
366# define pTHX_9 9
0cb96387
GS		 367#endif
368
27da23d5
JH		 369#ifndef dVAR
370# define dVAR dNOOP
371#endif
372
b4f7f263
GS		 373/* these are only defined for compatibility; should not be used internally */
374#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 375# define pTHXo pTHX
376# define pTHXo_ pTHX_
0cb96387
GS		 377# define aTHXo aTHX
378# define aTHXo_ aTHX_
c5be433b 379# define dTHXo dTHX
71d280e3 380# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 381#endif
382
383#ifndef pTHXx
384# define pTHXx register PerlInterpreter *my_perl
385# define pTHXx_ pTHXx,
0cb96387
GS		 386# define aTHXx my_perl
387# define aTHXx_ aTHXx,
c5be433b 388# define dTHXx dTHX
22c35a8c 389#endif
71be2cbc 390
1de7c2ac
GS		 391/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
392 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
393 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
394#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 395# ifdef PERL_GLOBAL_STRUCT_PRIVATE
396# define dTHXs dVAR; dTHX
397# else
398# define dTHXs dTHX
399# endif
1de7c2ac 400#else
27da23d5
JH		 401# ifdef PERL_GLOBAL_STRUCT_PRIVATE
402# define dTHXs dVAR
403# else
404# define dTHXs dNOOP
405# endif
1de7c2ac
GS		 406#endif
407
326b05e3
GS		 408#undef START_EXTERN_C
409#undef END_EXTERN_C
410#undef EXTERN_C
32f822de
GS		 411#ifdef __cplusplus
412# define START_EXTERN_C extern "C" {
413# define END_EXTERN_C }
414# define EXTERN_C extern "C"
415#else
d460ef45
NIS		 416# define START_EXTERN_C
417# define END_EXTERN_C
73c4f7a1 418# define EXTERN_C extern
32f822de
GS		 419#endif
420
27da23d5
JH		 421/* Some platforms require marking function declarations
422 * for them to be exportable. Used in perlio.h, proto.h
423 * is handled either by the makedef.pl or by defining the
424 * PERL_CALLCONV to be something special. See also the
425 * definition of XS() in XSUB.h. */
426#ifndef PERL_EXPORT_C
a0c21aa1
JH		 427# ifdef __cplusplus
428# define PERL_EXPORT_C extern "C"
429# else
430# define PERL_EXPORT_C extern
431# endif
27da23d5
JH		 432#endif
433#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 434# ifdef __cplusplus
435# define PERL_XS_EXPORT_C extern "C"
436# else
437# define PERL_XS_EXPORT_C
438# endif
27da23d5
JH		 439#endif
440
462e5cf6
MB		 441#ifdef OP_IN_REGISTER
442# ifdef __GNUC__
443# define stringify_immed(s) #s
444# define stringify(s) stringify_immed(s)
d1ca3daa 445register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 446# endif
447#endif
448
e5afc1ae 449/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 450 * g++ allows them but seems to have problems with them
70aab261
RB		 451 * (insane errors ensue).
452 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
453 */
454#if defined(PERL_GCC_PEDANTIC) || \
455 (defined(__GNUC__) && defined(__cplusplus) && \
456 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 457# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 458# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
459# endif
5dc8bdac
JH		 460#endif
461
5b692037
JH		 462#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
463# ifndef PERL_USE_GCC_BRACE_GROUPS
464# define PERL_USE_GCC_BRACE_GROUPS
465# endif
466#endif
467
728e2803 468/*
469 * STMT_START { statements; } STMT_END;
470 * can be used as a single statement, as in
471 * if (x) STMT_START { ... } STMT_END; else ...
472 *
473 * Trying to select a version that gives no warnings...
474 */
475#if !(defined(STMT_START) && defined(STMT_END))
5b692037 476# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 477# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 478# define STMT_END )
479# else
480 /* Now which other defined()s do we need here ??? */
93189314 481# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 482# define STMT_START if (1)
483# define STMT_END else (void)0
484# else
485# define STMT_START do
486# define STMT_END while (0)
487# endif
488# endif
489#endif
490
0cb96387 491#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 492#define WITH_THR(s) WITH_THX(s)
ea0efc06 493
d6f9c181
JH		 494#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
495# define BYTEORDER 0x1234
79072805
LW		 496#endif
497
498/* Overall memory policy? */
499#ifndef CONSERVATIVE
500# define LIBERAL 1
501#endif
502
8ada0baa
JH		 503#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
504#define ASCIIish
505#else
506#undef ASCIIish
507#endif
508
79072805
LW		 509/*
510 * The following contortions are brought to you on behalf of all the
511 * standards, semi-standards, de facto standards, not-so-de-facto standards
512 * of the world, as well as all the other botches anyone ever thought of.
513 * The basic theory is that if we work hard enough here, the rest of the
514 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
515 */
ac58e20f 516
ee0007ab 517/* define this once if either system, instead of cluttering up the src */
2986a63f 518#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 519#define DOSISH 1
520#endif
521
fb38d079 522#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 523# define STANDARD_C 1
524#endif
525
9969cdde 526#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 527# define DONT_DECLARE_STD 1
528#endif
529
352d5a3a 530#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 531# define VOL volatile
663a0e37 532#else
79072805 533# define VOL
663a0e37
LW		 534#endif
535
3280af22
NIS		 536#define TAINT (PL_tainted = TRUE)
537#define TAINT_NOT (PL_tainted = FALSE)
538#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
539#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 540#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 541
d460ef45 542/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 543 defines move there? If so, I could simplify this a lot. --AD 9/96.
544*/
545/* Process group stuff changed from traditional BSD to POSIX.
546 perlfunc.pod documents the traditional BSD-style syntax, so we'll
547 try to preserve that, if possible.
548*/
549#ifdef HAS_SETPGID
550# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 551#else
a6e633de 552# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
553# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
554# else
555# ifdef HAS_SETPGRP2 /* DG/UX */
556# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
557# endif
558# endif
559#endif
560#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
561# define HAS_SETPGRP /* Well, effectively it does . . . */
562#endif
563
564/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
565 our life easier :-) so we'll try it.
566*/
567#ifdef HAS_GETPGID
568# define BSD_GETPGRP(pid) getpgid((pid))
569#else
570# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
571# define BSD_GETPGRP(pid) getpgrp((pid))
572# else
573# ifdef HAS_GETPGRP2 /* DG/UX */
574# define BSD_GETPGRP(pid) getpgrp2((pid))
575# endif
576# endif
577#endif
578#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
579# define HAS_GETPGRP /* Well, effectively it does . . . */
580#endif
581
d460ef45 582/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 583 have different behaviors, but perl.h used to define USE_BSDPGRP
584 (prior to 5.003_05) so some extension might depend on it.
585*/
586#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
587# ifndef USE_BSDPGRP
588# define USE_BSDPGRP
589# endif
663a0e37
LW		 590#endif
591
8ac5a1fe
MH		 592/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
593 pthread.h must be included before all other header files.
594*/
3db8f154 595#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 596# include <pthread.h>
597#endif
598
760ac839
LW		 599#ifndef _TYPES_ /* If types.h defines this it's easy. */
600# ifndef major /* Does everyone's types.h define this? */
601# include <sys/types.h>
c07a80fd 602# endif
663a0e37
LW		 603#endif
604
760ac839
LW		 605#ifdef __cplusplus
606# ifndef I_STDARG
607# define I_STDARG 1
608# endif
609#endif
610
611#ifdef I_STDARG
612# include <stdarg.h>
613#else
614# ifdef I_VARARGS
615# include <varargs.h>
616# endif
617#endif
618
4633a7c4 619#ifdef USE_NEXT_CTYPE
0c30d9ec 620
092bebab
JH		 621#if NX_CURRENT_COMPILER_RELEASE >= 500
622# include <bsd/ctypes.h>
623#else
624# if NX_CURRENT_COMPILER_RELEASE >= 400
625# include <objc/NXCType.h>
626# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
627# include <appkit/NXCType.h>
628# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
629#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 630
631#else /* !USE_NEXT_CTYPE */
fe14fcc3 632#include <ctype.h>
0c30d9ec 633#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 634
635#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
636#undef METHOD
a0d0e21e
LW		 637#endif
638
12ae5dfc
JH		 639#ifdef PERL_MICRO
640# define NO_LOCALE
641#endif
642
4633a7c4 643#ifdef I_LOCALE
36477c24 644# include <locale.h>
4633a7c4
LW		 645#endif
646
36477c24 647#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
648# define USE_LOCALE
649# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
650 && defined(HAS_STRXFRM)
651# define USE_LOCALE_COLLATE
652# endif
653# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
654# define USE_LOCALE_CTYPE
655# endif
656# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
657# define USE_LOCALE_NUMERIC
658# endif
659#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 660
fe14fcc3 661#include <setjmp.h>
79072805 662
a0d0e21e 663#ifdef I_SYS_PARAM
79072805
LW		 664# ifdef PARAM_NEEDS_TYPES
665# include <sys/types.h>
666# endif
667# include <sys/param.h>
352d5a3a 668#endif
79072805 669
79072805 670/* Use all the "standard" definitions? */
a0d0e21e 671#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 672# include <stdlib.h>
ff68c719 673#endif
03a14243 674
3f270f98
JH		 675/* If this causes problems, set i_unistd=undef in the hint file. */
676#ifdef I_UNISTD
677# include <unistd.h>
678#endif
679
9969cdde 680#ifdef __SYMBIAN32__
27da23d5
JH		 681# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
682#endif
683
7114a2d2 684#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 685EXTERN_C int syscall(int, ...);
2ef53570
JH		 686#endif
687
7114a2d2 688#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 689EXTERN_C int usleep(unsigned int);
2ef53570
JH		 690#endif
691
9c12f1e5
RGS		 692/* Funky places that do not have socket stuff. */
693#if defined(__LIBCATAMOUNT__)
694# define MYSWAP
695#endif
696
9a34ef1d
GS		 697#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
698# define MYSWAP
699#endif
700
1109a392
MHM		 701#ifdef PERL_CORE
702
703/* macros for correct constant construction */
704# if INTSIZE >= 2
705# define U16_CONST(x) ((U16)x##U)
706# else
707# define U16_CONST(x) ((U16)x##UL)
708# endif
709
710# if INTSIZE >= 4
711# define U32_CONST(x) ((U32)x##U)
712# else
713# define U32_CONST(x) ((U32)x##UL)
714# endif
715
716# ifdef HAS_QUAD
717# if INTSIZE >= 8
718# define U64_CONST(x) ((U64)x##U)
719# elif LONGSIZE >= 8
720# define U64_CONST(x) ((U64)x##UL)
721# elif QUADKIND == QUAD_IS_LONG_LONG
722# define U64_CONST(x) ((U64)x##ULL)
723# else /* best guess we can make */
724# define U64_CONST(x) ((U64)x##UL)
725# endif
726# endif
727
728/* byte-swapping functions for big-/little-endian conversion */
729# define _swab_16_(x) ((U16)( \
730 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
731 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
732
733# define _swab_32_(x) ((U32)( \
734 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
735 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
736 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
737 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
738
739# ifdef HAS_QUAD
740# define _swab_64_(x) ((U64)( \
741 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
742 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
743 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
744 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
745 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
746 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
747 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
748 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
749# endif
750
751/*----------------------------------------------------------------------------*/
752# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
753/*----------------------------------------------------------------------------*/
754# define my_htole16(x) (x)
755# define my_letoh16(x) (x)
756# define my_htole32(x) (x)
757# define my_letoh32(x) (x)
758# define my_htobe16(x) _swab_16_(x)
759# define my_betoh16(x) _swab_16_(x)
760# define my_htobe32(x) _swab_32_(x)
761# define my_betoh32(x) _swab_32_(x)
762# ifdef HAS_QUAD
763# define my_htole64(x) (x)
764# define my_letoh64(x) (x)
765# define my_htobe64(x) _swab_64_(x)
766# define my_betoh64(x) _swab_64_(x)
767# endif
768# define my_htoles(x) (x)
769# define my_letohs(x) (x)
770# define my_htolei(x) (x)
771# define my_letohi(x) (x)
772# define my_htolel(x) (x)
773# define my_letohl(x) (x)
774# if SHORTSIZE == 1
775# define my_htobes(x) (x)
776# define my_betohs(x) (x)
777# elif SHORTSIZE == 2
778# define my_htobes(x) _swab_16_(x)
779# define my_betohs(x) _swab_16_(x)
780# elif SHORTSIZE == 4
781# define my_htobes(x) _swab_32_(x)
782# define my_betohs(x) _swab_32_(x)
783# elif SHORTSIZE == 8
784# define my_htobes(x) _swab_64_(x)
785# define my_betohs(x) _swab_64_(x)
786# else
787# define PERL_NEED_MY_HTOBES
788# define PERL_NEED_MY_BETOHS
789# endif
790# if INTSIZE == 1
791# define my_htobei(x) (x)
792# define my_betohi(x) (x)
793# elif INTSIZE == 2
794# define my_htobei(x) _swab_16_(x)
795# define my_betohi(x) _swab_16_(x)
796# elif INTSIZE == 4
797# define my_htobei(x) _swab_32_(x)
798# define my_betohi(x) _swab_32_(x)
799# elif INTSIZE == 8
800# define my_htobei(x) _swab_64_(x)
801# define my_betohi(x) _swab_64_(x)
802# else
803# define PERL_NEED_MY_HTOBEI
804# define PERL_NEED_MY_BETOHI
805# endif
806# if LONGSIZE == 1
807# define my_htobel(x) (x)
808# define my_betohl(x) (x)
809# elif LONGSIZE == 2
810# define my_htobel(x) _swab_16_(x)
811# define my_betohl(x) _swab_16_(x)
812# elif LONGSIZE == 4
813# define my_htobel(x) _swab_32_(x)
814# define my_betohl(x) _swab_32_(x)
815# elif LONGSIZE == 8
816# define my_htobel(x) _swab_64_(x)
817# define my_betohl(x) _swab_64_(x)
818# else
819# define PERL_NEED_MY_HTOBEL
820# define PERL_NEED_MY_BETOHL
821# endif
822# define my_htolen(p,n) NOOP
823# define my_letohn(p,n) NOOP
824# define my_htoben(p,n) my_swabn(p,n)
825# define my_betohn(p,n) my_swabn(p,n)
826/*----------------------------------------------------------------------------*/
827# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
828/*----------------------------------------------------------------------------*/
829# define my_htobe16(x) (x)
830# define my_betoh16(x) (x)
831# define my_htobe32(x) (x)
832# define my_betoh32(x) (x)
833# define my_htole16(x) _swab_16_(x)
834# define my_letoh16(x) _swab_16_(x)
835# define my_htole32(x) _swab_32_(x)
836# define my_letoh32(x) _swab_32_(x)
837# ifdef HAS_QUAD
838# define my_htobe64(x) (x)
839# define my_betoh64(x) (x)
840# define my_htole64(x) _swab_64_(x)
841# define my_letoh64(x) _swab_64_(x)
842# endif
843# define my_htobes(x) (x)
844# define my_betohs(x) (x)
845# define my_htobei(x) (x)
846# define my_betohi(x) (x)
847# define my_htobel(x) (x)
848# define my_betohl(x) (x)
849# if SHORTSIZE == 1
850# define my_htoles(x) (x)
851# define my_letohs(x) (x)
852# elif SHORTSIZE == 2
853# define my_htoles(x) _swab_16_(x)
854# define my_letohs(x) _swab_16_(x)
855# elif SHORTSIZE == 4
856# define my_htoles(x) _swab_32_(x)
857# define my_letohs(x) _swab_32_(x)
858# elif SHORTSIZE == 8
859# define my_htoles(x) _swab_64_(x)
860# define my_letohs(x) _swab_64_(x)
861# else
862# define PERL_NEED_MY_HTOLES
863# define PERL_NEED_MY_LETOHS
864# endif
865# if INTSIZE == 1
866# define my_htolei(x) (x)
867# define my_letohi(x) (x)
868# elif INTSIZE == 2
869# define my_htolei(x) _swab_16_(x)
870# define my_letohi(x) _swab_16_(x)
871# elif INTSIZE == 4
872# define my_htolei(x) _swab_32_(x)
873# define my_letohi(x) _swab_32_(x)
874# elif INTSIZE == 8
875# define my_htolei(x) _swab_64_(x)
876# define my_letohi(x) _swab_64_(x)
877# else
878# define PERL_NEED_MY_HTOLEI
879# define PERL_NEED_MY_LETOHI
880# endif
881# if LONGSIZE == 1
882# define my_htolel(x) (x)
883# define my_letohl(x) (x)
884# elif LONGSIZE == 2
885# define my_htolel(x) _swab_16_(x)
886# define my_letohl(x) _swab_16_(x)
887# elif LONGSIZE == 4
888# define my_htolel(x) _swab_32_(x)
889# define my_letohl(x) _swab_32_(x)
890# elif LONGSIZE == 8
891# define my_htolel(x) _swab_64_(x)
892# define my_letohl(x) _swab_64_(x)
893# else
894# define PERL_NEED_MY_HTOLEL
895# define PERL_NEED_MY_LETOHL
896# endif
897# define my_htolen(p,n) my_swabn(p,n)
898# define my_letohn(p,n) my_swabn(p,n)
899# define my_htoben(p,n) NOOP
900# define my_betohn(p,n) NOOP
901/*----------------------------------------------------------------------------*/
902# else /* all other byte-orders */
903/*----------------------------------------------------------------------------*/
904# define PERL_NEED_MY_HTOLE16
905# define PERL_NEED_MY_LETOH16
906# define PERL_NEED_MY_HTOBE16
907# define PERL_NEED_MY_BETOH16
908# define PERL_NEED_MY_HTOLE32
909# define PERL_NEED_MY_LETOH32
910# define PERL_NEED_MY_HTOBE32
911# define PERL_NEED_MY_BETOH32
912# ifdef HAS_QUAD
913# define PERL_NEED_MY_HTOLE64
914# define PERL_NEED_MY_LETOH64
915# define PERL_NEED_MY_HTOBE64
916# define PERL_NEED_MY_BETOH64
917# endif
918# define PERL_NEED_MY_HTOLES
919# define PERL_NEED_MY_LETOHS
920# define PERL_NEED_MY_HTOBES
921# define PERL_NEED_MY_BETOHS
922# define PERL_NEED_MY_HTOLEI
923# define PERL_NEED_MY_LETOHI
924# define PERL_NEED_MY_HTOBEI
925# define PERL_NEED_MY_BETOHI
926# define PERL_NEED_MY_HTOLEL
927# define PERL_NEED_MY_LETOHL
928# define PERL_NEED_MY_HTOBEL
929# define PERL_NEED_MY_BETOHL
930/*----------------------------------------------------------------------------*/
931# endif /* end of byte-order macros */
932/*----------------------------------------------------------------------------*/
933
9c17f24a
NC		 934/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
935 at least on FreeBSD. YMMV, so experiment. */
936#ifndef PERL_ARENA_SIZE
937#define PERL_ARENA_SIZE 4080
938#endif
939
ccb2c8b8 940/* Maximum level of recursion */
2b9dff67
RGS		 941#ifndef PERL_SUB_DEPTH_WARN
942#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 943#endif
944
1109a392
MHM		 945#endif /* PERL_CORE */
946
bdf3085f
NC		 947/* We no longer default to creating a new SV for GvSV.
948 Do this before embed. */
949#ifndef PERL_CREATE_GVSV
7459f06b
NC		 950# ifndef PERL_DONT_CREATE_GVSV
951# define PERL_DONT_CREATE_GVSV
952# endif
bdf3085f
NC		 953#endif
954
ca0c25f6
NC		 955#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
956#define PERL_USES_PL_PIDSTATUS
957#endif
958
a62746fa
RGS		 959#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__) && !defined(MACOS_TRADITIONAL)
960#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
961#endif
962
66a93824
NIS		 963/* Cannot include embed.h here on Win32 as win32.h has not
964 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
965 */
96e176bf 966#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 967# include "embed.h"
eb8433b7
NC		 968# ifndef PERL_MAD
969# undef op_getmad
b3f24c00 970# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 971# endif
cea2e8a9
GS		 972#endif
973
c31fac66
GS		 974#define MEM_SIZE Size_t
975
1936d2a7
NC		 976/* Round all values passed to malloc up, by default to a multiple of
977 sizeof(size_t)
978*/
979#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
980#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
981#endif
982
51371543
GS		 983#if defined(STANDARD_C) && defined(I_STDDEF)
984# include <stddef.h>
985# define STRUCT_OFFSET(s,m) offsetof(s,m)
986#else
987# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
988#endif
989
9969cdde 990#ifndef __SYMBIAN32__
27da23d5
JH		 991# if defined(I_STRING) || defined(__cplusplus)
992# include <string.h>
993# else
994# include <strings.h>
995# endif
51371543
GS		 996#endif
997
55497cff 998/* This comes after <stdlib.h> so we don't try to change the standard
999 * library prototypes; we'll use our own in proto.h instead. */
03a14243 1000
4633a7c4 1001#ifdef MYMALLOC
86058a2d 1002# ifdef PERL_POLLUTE_MALLOC
ee13e175 1003# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 1004# define Perl_malloc malloc
1005# define Perl_calloc calloc
1006# define Perl_realloc realloc
1007# define Perl_mfree free
ee13e175 1008# endif
86058a2d
GS		 1009# else
1010# define EMBEDMYMALLOC /* for compatibility */
1011# endif
827e134a 1012
651b9576
GS		 1013# define safemalloc Perl_malloc
1014# define safecalloc Perl_calloc
1015# define saferealloc Perl_realloc
1016# define safefree Perl_mfree
22f7c9c9
JH		 1017# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1018 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1019 code; \
1020 } STMT_END
1021# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1022 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1023# define panic_write2(s) write(2, s, strlen(s))
1024# define CHECK_MALLOC_TAINT(newval) \
1025 CHECK_MALLOC_TOO_LATE_FOR_( \
1026 if (newval) { \
1027 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1028 exit(1); })
22f7c9c9 1029# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1030 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 1031 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1032 }} STMT_END;
f2517201
GS		 1033#else /* MYMALLOC */
1034# define safemalloc safesysmalloc
1035# define safecalloc safesyscalloc
1036# define saferealloc safesysrealloc
1037# define safefree safesysfree
22f7c9c9
JH		 1038# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1039# define CHECK_MALLOC_TAINT(newval) ((void)0)
1040# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1041#endif /* MYMALLOC */
4633a7c4 1042
27da23d5 1043#define TOO_LATE_FOR_(ch,what) Perl_croak(aTHX_ "\"-%c\" is on the #! line, it must also be used on the command line%s", (char)(ch), what)
22f7c9c9
JH		 1044#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1045#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1046#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1047
a0d0e21e
LW		 1048#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1049#define strchr index
1050#define strrchr rindex
1051#endif
1052
16d20bd9
AD		 1053#ifdef I_MEMORY
1054# include <memory.h>
1055#endif
1056
fe14fcc3 1057#ifdef HAS_MEMCPY
85e6fe83 1058# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1059# ifndef memcpy
20ce7b12 1060 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 1061# endif
1062# endif
1063#else
1064# ifndef memcpy
1065# ifdef HAS_BCOPY
1066# define memcpy(d,s,l) bcopy(s,d,l)
1067# else
1068# define memcpy(d,s,l) my_bcopy(s,d,l)
1069# endif
1070# endif
1071#endif /* HAS_MEMCPY */
fe14fcc3 1072
ee0007ab 1073#ifdef HAS_MEMSET
85e6fe83 1074# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1075# ifndef memset
20ce7b12 1076 extern char *memset (char*, int, int);
ee0007ab
LW		 1077# endif
1078# endif
ee0007ab 1079#else
12ae5dfc 1080# undef memset
fc36a67e 1081# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1082#endif /* HAS_MEMSET */
1083
85e6fe83 1084#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1085# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1086# define memmove(d,s,l) bcopy(s,d,l)
1087# else
2304df62 1088# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1089# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1090# else
79072805 1091# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1092# endif
352d5a3a 1093# endif
d9d8d8de 1094#endif
ee0007ab 1095
36477c24 1096#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1097# undef HAS_MEMCMP
1098#endif
1099
1100#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1101# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1102# ifndef memcmp
20ce7b12 1103 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1104# endif
1105# endif
36477c24 1106# ifdef BUGGY_MSC
7e4e8c89 1107# pragma function(memcmp)
36477c24 1108# endif
ee0007ab
LW		 1109#else
1110# ifndef memcmp
ecfc5424 1111# define memcmp my_memcmp
352d5a3a 1112# endif
36477c24 1113#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1114
fc36a67e 1115#ifndef memzero
c635e13b 1116# ifdef HAS_MEMSET
1117# define memzero(d,l) memset(d,0,l)
79072805 1118# else
c635e13b 1119# ifdef HAS_BZERO
1120# define memzero(d,l) bzero(d,l)
79072805 1121# else
fc36a67e 1122# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1123# endif
1124# endif
d9d8d8de 1125#endif
378cc40b 1126
2f42fcb0 1127#ifndef PERL_MICRO
0f27ced1
JH		 1128#ifndef memchr
1129# ifndef HAS_MEMCHR
1130# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1131# endif
1132#endif
2f42fcb0 1133#endif
0f27ced1 1134
36477c24 1135#ifndef HAS_BCMP
1136# ifndef bcmp
1137# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1138# endif
36477c24 1139#endif /* !HAS_BCMP */
378cc40b 1140
ae986130 1141#ifdef I_NETINET_IN
79072805 1142# include <netinet/in.h>
ae986130
LW		 1143#endif
1144
28e8609d
JH		 1145#ifdef I_ARPA_INET
1146# include <arpa/inet.h>
1147#endif
1148
84902520
TB		 1149#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1150/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1151 * (the neo-BSD seem to do this). */
1152# undef SF_APPEND
1153#endif
1154
1aef975c 1155#ifdef I_SYS_STAT
84902520 1156# include <sys/stat.h>
1aef975c 1157#endif
79072805 1158
a0d0e21e
LW		 1159/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1160 like UTekV) are broken, sometimes giving false positives. Undefine
1161 them here and let the code below set them to proper values.
1162
1163 The ghs macro stands for GreenHills Software C-1.8.5 which
1164 is the C compiler for sysV88 and the various derivatives.
1165 This header file bug is corrected in gcc-2.5.8 and later versions.
1166 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1167
1168#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1169# undef S_ISDIR
1170# undef S_ISCHR
1171# undef S_ISBLK
1172# undef S_ISREG
1173# undef S_ISFIFO
1174# undef S_ISLNK
ee0007ab 1175#endif
135863df 1176
663a0e37
LW		 1177#ifdef I_TIME
1178# include <time.h>
ffed7fef 1179#endif
663a0e37 1180
fe14fcc3 1181#ifdef I_SYS_TIME
85e6fe83 1182# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1183# define KERNEL
1184# endif
1185# include <sys/time.h>
85e6fe83 1186# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1187# undef KERNEL
1188# endif
a687059c 1189#endif
135863df 1190
55497cff 1191#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1192# include <sys/times.h>
d9d8d8de 1193#endif
8d063cd8 1194
fe14fcc3 1195#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1196# undef HAS_STRERROR
663a0e37
LW		 1197#endif
1198
1199#include <errno.h>
1e743fda 1200
acfe0abc 1201#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1202# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1203#endif
1204
8cfab5ff
JH		 1205/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1206 * This is important for using IPv6.
1207 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1208 * a bad idea since it breaks send() and recv(). */
1209#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1210# define _SOCKADDR_LEN
1211#endif
1212
8d3f517a 1213#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1214# include <sys/socket.h>
1215# if defined(USE_SOCKS) && defined(I_SOCKS)
1216# if !defined(INCLUDE_PROTOTYPES)
1217# define INCLUDE_PROTOTYPES /* for <socks.h> */
1218# define PERL_SOCKS_NEED_PROTOTYPES
1219# endif
1220# include <socks.h>
1221# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1222# undef INCLUDE_PROTOTYPES
1223# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1224# endif
d460ef45 1225# endif
1e743fda 1226# ifdef I_NETDB
2986a63f
JH		 1227# ifdef NETWARE
1228# include<stdio.h>
1229# endif
1e743fda
JH		 1230# include <netdb.h>
1231# endif
1232# ifndef ENOTSOCK
1233# ifdef I_NET_ERRNO
1234# include <net/errno.h>
1235# endif
1236# endif
1237#endif
1238
fa0a29af 1239/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1240 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1241 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1242#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1243# if defined(__THROW) && defined(__GLIBC__)
1244int sockatmark(int) __THROW;
1245# else
2ef53570 1246int sockatmark(int);
29820b6d 1247# endif
2ef53570
JH		 1248#endif
1249
7e827271 1250#if defined(__osf__) && defined(__cplusplus) && !defined(_XOPEN_SOURCE_EXTENDED) /* Tru64 "cxx" (C++), see hints/dec_osf.sh for why the _XOPEN_SOURCE_EXTENDED cannot be defined. */
45d3b546
JH		 1251EXTERN_C int fchdir(int);
1252EXTERN_C int flock(int, int);
1253EXTERN_C int fseeko(FILE *, off_t, int);
1254EXTERN_C off_t ftello(FILE *);
1255#endif
1256
7e827271 1257#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1258EXTERN_C char *crypt(const char *, const char *);
7e827271 1259EXTERN_C char **environ;
1ccb7c8d
JH		 1260#endif
1261
83a6ff2e 1262#if defined(__cplusplus)
944c4fda 1263# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1264EXTERN_C char **environ;
83a6ff2e 1265# elif defined(__CYGWIN__)
667e2948
SP		 1266EXTERN_C char *crypt(const char *, const char *);
1267#endif
83a6ff2e 1268#endif
667e2948 1269
1e743fda
JH		 1270#ifdef SETERRNO
1271# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1272#endif
f86702cc 1273
1274#ifdef VMS
1275# define SETERRNO(errcode,vmserrcode) \
1276 STMT_START { \
1277 set_errno(errcode); \
1278 set_vaxc_errno(vmserrcode); \
1279 } STMT_END
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)
414bf5ae
MHM		 1309#ifdef PERL_CORE
1310# define DEFSV (0 + GvSVn(PL_defgv))
1311#else
1312# define DEFSV GvSVn(PL_defgv)
1313#endif
1314#define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
3db8f154 1315#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1316
98eae8f5
GS		 1317#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1318
55497cff 1319#ifndef errno
5ff3f7a4
GS		 1320 extern int errno; /* ANSI allows errno to be an lvalue expr.
1321 * For example in multithreaded environments
1322 * something like this might happen:
1323 * extern int *_errno(void);
1324 * #define errno (*_errno()) */
d9d8d8de 1325#endif
663a0e37 1326
2304df62 1327#ifdef HAS_STRERROR
a0d0e21e 1328# ifdef VMS
20ce7b12 1329 char *strerror (int,...);
a0d0e21e 1330# else
68dc0745 1331#ifndef DONT_DECLARE_STD
20ce7b12 1332 char *strerror (int);
68dc0745 1333#endif
a0d0e21e 1334# endif
2304df62
AD		 1335# ifndef Strerror
1336# define Strerror strerror
1337# endif
1338#else
1339# ifdef HAS_SYS_ERRLIST
79072805
LW		 1340 extern int sys_nerr;
1341 extern char *sys_errlist[];
2304df62
AD		 1342# ifndef Strerror
1343# define Strerror(e) \
79072805 1344 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1345# endif
79072805 1346# endif
35c8bce7 1347#endif
663a0e37 1348
2304df62 1349#ifdef I_SYS_IOCTL
79072805
LW		 1350# ifndef _IOCTL_
1351# include <sys/ioctl.h>
1352# endif
a687059c
LW		 1353#endif
1354
ee0007ab 1355#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1356# ifdef HAS_SOCKETPAIR
1357# undef HAS_SOCKETPAIR
1358# endif
2304df62
AD		 1359# ifdef I_NDBM
1360# undef I_NDBM
79072805 1361# endif
a687059c
LW		 1362#endif
1363
02fc2eee
NC		 1364#ifndef HAS_SOCKETPAIR
1365# ifdef HAS_SOCKET
1366# define socketpair Perl_my_socketpair
1367# endif
1368#endif
1369
a687059c 1370#if INTSIZE == 2
79072805
LW		 1371# define htoni htons
1372# define ntohi ntohs
a687059c 1373#else
79072805
LW		 1374# define htoni htonl
1375# define ntohi ntohl
a687059c
LW		 1376#endif
1377
a0d0e21e 1378/* Configure already sets Direntry_t */
35c8bce7 1379#if defined(I_DIRENT)
663a0e37 1380# include <dirent.h>
8f1f23e8
W		 1381 /* NeXT needs dirent + sys/dir.h */
1382# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1383# include <sys/dir.h>
1384# endif
ae986130 1385#else
fe14fcc3 1386# ifdef I_SYS_NDIR
79a0689e 1387# include <sys/ndir.h>
663a0e37 1388# else
fe14fcc3 1389# ifdef I_SYS_DIR
79a0689e
LW		 1390# ifdef hp9000s500
1391# include <ndir.h> /* may be wrong in the future */
1392# else
1393# include <sys/dir.h>
1394# endif
663a0e37
LW		 1395# endif
1396# endif
4633a7c4 1397#endif
a687059c 1398
12ae5dfc
JH		 1399#ifdef PERL_MICRO
1400# ifndef DIR
1401# define DIR void
1402# endif
1403#endif
1404
352d5a3a
LW		 1405#ifdef FPUTS_BOTCH
1406/* work around botch in SunOS 4.0.1 and 4.0.2 */
1407# ifndef fputs
79072805 1408# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1409# endif
1410#endif
1411
c623bd54
LW		 1412/*
1413 * The following gobbledygook brought to you on behalf of __STDC__.
1414 * (I could just use #ifndef __STDC__, but this is more bulletproof
1415 * in the face of half-implementations.)
1416 */
1417
7114a2d2 1418#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1419#include <sys/mode.h>
1420#endif
1421
c623bd54
LW		 1422#ifndef S_IFMT
1423# ifdef _S_IFMT
1424# define S_IFMT _S_IFMT
1425# else
1426# define S_IFMT 0170000
1427# endif
1428#endif
1429
1430#ifndef S_ISDIR
1431# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1432#endif
1433
1434#ifndef S_ISCHR
1435# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1436#endif
1437
1438#ifndef S_ISBLK
fe14fcc3
LW		 1439# ifdef S_IFBLK
1440# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1441# else
1442# define S_ISBLK(m) (0)
1443# endif
c623bd54
LW		 1444#endif
1445
1446#ifndef S_ISREG
1447# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1448#endif
1449
1450#ifndef S_ISFIFO
fe14fcc3
LW		 1451# ifdef S_IFIFO
1452# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1453# else
1454# define S_ISFIFO(m) (0)
1455# endif
c623bd54
LW		 1456#endif
1457
1458#ifndef S_ISLNK
1459# ifdef _S_ISLNK
1460# define S_ISLNK(m) _S_ISLNK(m)
1461# else
1462# ifdef _S_IFLNK
1463# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1464# else
1465# ifdef S_IFLNK
1466# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1467# else
1468# define S_ISLNK(m) (0)
1469# endif
1470# endif
1471# endif
1472#endif
1473
1474#ifndef S_ISSOCK
1475# ifdef _S_ISSOCK
1476# define S_ISSOCK(m) _S_ISSOCK(m)
1477# else
1478# ifdef _S_IFSOCK
1479# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1480# else
1481# ifdef S_IFSOCK
1482# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1483# else
1484# define S_ISSOCK(m) (0)
1485# endif
1486# endif
1487# endif
1488#endif
1489
1490#ifndef S_IRUSR
1491# ifdef S_IREAD
1492# define S_IRUSR S_IREAD
1493# define S_IWUSR S_IWRITE
1494# define S_IXUSR S_IEXEC
1495# else
1496# define S_IRUSR 0400
1497# define S_IWUSR 0200
1498# define S_IXUSR 0100
1499# endif
fac7cdfc
JS		 1500#endif
1501
1502#ifndef S_IRGRP
1503# ifdef S_IRUSR
1504# define S_IRGRP (S_IRUSR>>3)
1505# define S_IWGRP (S_IWUSR>>3)
1506# define S_IXGRP (S_IXUSR>>3)
1507# else
1508# define S_IRGRP 0040
1509# define S_IWGRP 0020
1510# define S_IXGRP 0010
1511# endif
1512#endif
1513
1514#ifndef S_IROTH
1515# ifdef S_IRUSR
1516# define S_IROTH (S_IRUSR>>6)
1517# define S_IWOTH (S_IWUSR>>6)
1518# define S_IXOTH (S_IXUSR>>6)
1519# else
1520# define S_IROTH 0040
1521# define S_IWOTH 0020
1522# define S_IXOTH 0010
1523# endif
c623bd54
LW		 1524#endif
1525
1526#ifndef S_ISUID
1527# define S_ISUID 04000
1528#endif
1529
1530#ifndef S_ISGID
1531# define S_ISGID 02000
1532#endif
1533
ca6e1c26
JH		 1534#ifndef S_IRWXU
1535# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1536#endif
ca6e1c26
JH		 1537
1538#ifndef S_IRWXG
1539# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1540#endif
ca6e1c26
JH		 1541
1542#ifndef S_IRWXO
1543# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1544#endif
ca6e1c26 1545
df00ff3b 1546/* BeOS 5.0 and Haiku R1 seem to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1547 * which would get included through <sys/file.h >, but that is 3000
1548 * lines in the future. --jhi */
1549
df00ff3b 1550#if !defined(S_IREAD) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1551# define S_IREAD S_IRUSR
1552#endif
1553
df00ff3b 1554#if !defined(S_IWRITE) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1555# define S_IWRITE S_IWUSR
1556#endif
1557
1558#ifndef S_IEXEC
1559# define S_IEXEC S_IXUSR
1560#endif
1561
79072805
LW		 1562#ifdef ff_next
1563# undef ff_next
352d5a3a
LW		 1564#endif
1565
a0d0e21e 1566#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1567# define SLOPPYDIVIDE
1568#endif
1569
748a9306
LW		 1570#ifdef UV
1571#undef UV
1572#endif
1573
c89df6bf
JH		 1574#ifdef SPRINTF_E_BUG
1575# define sprintf UTS_sprintf_wrap
1576#endif
1577
ce582cee
NC		 1578/* For the times when you want the return value of sprintf, and you want it
1579 to be the length. Can't have a thread variable passed in, because C89 has
1580 no varargs macros.
1581*/
1582#ifdef SPRINTF_RETURNS_STRLEN
1583# define my_sprintf sprintf
1584#else
1585# define my_sprintf Perl_my_sprintf
1586#endif
1587
5b692037
JH		 1588/*
1589 * If we have v?snprintf() and the C99 variadic macros, we can just
1590 * use just the v?snprintf(). It is nice to try to trap the buffer
1591 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1592 * gcc statement expressions, then use the function wrappers which try
1593 * to trap the overflow. If we can use the gcc statement expressions,
1594 * we can try that even with the version that uses the C99 variadic
1595 * macros.
5b692037
JH		 1596 */
1597
1208b3dd
JH		 1598/* Note that we do not check against snprintf()/vsnprintf() returning
1599 * negative values because that is non-standard behaviour and we use
1600 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1601 * that should be true only if the snprintf()/vsnprintf() are true
1602 * to the standard. */
1603
dfeee9b1 1604#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1605# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1606# 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 1607# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1608# else
1609# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1610# endif
1611#else
1612# define my_snprintf Perl_my_snprintf
1208b3dd 1613# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1614#endif
1615
dfeee9b1 1616#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1617# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1618# 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 1619# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1620# else
1621# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1622# endif
1623#else
1624# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1625# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1626#endif
d9fad198 1627
a6cc4119
SP		 1628#ifdef HAS_STRLCAT
1629# define my_strlcat strlcat
1630#else
1631# define my_strlcat Perl_my_strlcat
1632#endif
1633
1634#ifdef HAS_STRLCPY
1635# define my_strlcpy strlcpy
1636#else
1637# define my_strlcpy Perl_my_strlcpy
1638#endif
1639
c495e728
JH		 1640/* Configure gets this right but the UTS compiler gets it wrong.
1641 -- Hal Morris <hom00@utsglobal.com> */
1642#ifdef UTS
1643# undef UVTYPE
1644# define UVTYPE unsigned
1645#endif
1646
05f13f53 1647/*
27d4fb96 1648 The IV type is supposed to be long enough to hold any integral
1649 value or a pointer.
1650 --Andy Dougherty August 1996
1651*/
1652
a22e52b9
JH		 1653typedef IVTYPE IV;
1654typedef UVTYPE UV;
8175356b 1655
10cc9d2a 1656#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1657# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1658# define IV_MAX INT64_MAX
1659# define IV_MIN INT64_MIN
1660# define UV_MAX UINT64_MAX
cae7ae48
JH		 1661# ifndef UINT64_MIN
1662# define UINT64_MIN 0
1663# endif
5ff3f7a4
GS		 1664# define UV_MIN UINT64_MIN
1665# else
1666# define IV_MAX PERL_QUAD_MAX
1667# define IV_MIN PERL_QUAD_MIN
1668# define UV_MAX PERL_UQUAD_MAX
1669# define UV_MIN PERL_UQUAD_MIN
1670# endif
cf2093f6
JH		 1671# define IV_IS_QUAD
1672# define UV_IS_QUAD
79072805 1673#else
8175356b 1674# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1675# define IV_MAX INT32_MAX
1676# define IV_MIN INT32_MIN
716026f9
DL		 1677# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1678# define UV_MAX UINT32_MAX
1679# else
1680# define UV_MAX 4294967295U
1681# endif
cae7ae48
JH		 1682# ifndef UINT32_MIN
1683# define UINT32_MIN 0
1684# endif
5ff3f7a4
GS		 1685# define UV_MIN UINT32_MIN
1686# else
1687# define IV_MAX PERL_LONG_MAX
1688# define IV_MIN PERL_LONG_MIN
1689# define UV_MAX PERL_ULONG_MAX
1690# define UV_MIN PERL_ULONG_MIN
1691# endif
8175356b 1692# if IVSIZE == 8
cf2093f6
JH		 1693# define IV_IS_QUAD
1694# define UV_IS_QUAD
de1c2614
JH		 1695# ifndef HAS_QUAD
1696# define HAS_QUAD
1697# endif
cf2093f6
JH		 1698# else
1699# undef IV_IS_QUAD
1700# undef UV_IS_QUAD
de1c2614 1701# undef HAS_QUAD
cf2093f6 1702# endif
79072805 1703#endif
d7d93a81 1704
1109a392
MHM		 1705#ifndef HAS_QUAD
1706# undef PERL_NEED_MY_HTOLE64
1707# undef PERL_NEED_MY_LETOH64
1708# undef PERL_NEED_MY_HTOBE64
1709# undef PERL_NEED_MY_BETOH64
1710#endif
1711
6cde8aec 1712#if defined(uts) || defined(UTS)
11afe549
HM		 1713# undef UV_MAX
1714# define UV_MAX (4294967295u)
20601011
JH		 1715#endif
1716
cae7ae48 1717#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1718#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1719
28e5dec8 1720#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1721#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1722#endif
1723
d460ef45 1724/*
26bb67e2
JH		 1725 * The macros INT2PTR and NUM2PTR are (despite their names)
1726 * bi-directional: they will convert int/float to or from pointers.
1727 * However the conversion to int/float are named explicitly:
1728 * PTR2IV, PTR2UV, PTR2NV.
1729 *
1730 * For int conversions we do not need two casts if pointers are
1731 * the same size as IV and UV. Otherwise we need an explicit
1732 * cast (PTRV) to avoid compiler warnings.
1733 */
56431972
RB		 1734#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1735# define PTRV UV
1736# define INT2PTR(any,d) (any)(d)
1737#else
d460ef45 1738# if PTRSIZE == LONGSIZE
56431972 1739# define PTRV unsigned long
e91e3b10 1740# define PTR2ul(p) (unsigned long)(p)
42718184 1741# else
56431972 1742# define PTRV unsigned
42718184 1743# endif
e91e3b10
RB		 1744#endif
1745
1746#ifndef INT2PTR
56431972 1747# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1748#endif
e91e3b10
RB		 1749
1750#ifndef PTR2ul
1751# define PTR2ul(p) INT2PTR(unsigned long,p)
1752#endif
1753
56431972
RB		 1754#define NUM2PTR(any,d) (any)(PTRV)(d)
1755#define PTR2IV(p) INT2PTR(IV,p)
1756#define PTR2UV(p) INT2PTR(UV,p)
1757#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1758#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1759
8141890a
JH		 1760/* According to strict ANSI C89 one cannot freely cast between
1761 * data pointers and function (code) pointers. There are at least
1762 * two ways around this. One (used below) is to do two casts,
1763 * first the other pointer to an (unsigned) integer, and then
1764 * the integer to the other pointer. The other way would be
1765 * to use unions to "overlay" the pointers. For an example of
1766 * the latter technique, see union dirpu in struct xpvio in sv.h.
1767 * The only feasible use is probably temporarily storing
1768 * function pointers in a data pointer (such as a void pointer). */
1769
e91e3b10
RB		 1770#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1771#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1772
65202027 1773#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1774# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1775# define LONG_DOUBLE_EQUALS_DOUBLE
1776# endif
68d4903c 1777# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1778# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1779# endif
1780#endif
1781
2d4389e4
JH		 1782#ifdef OVR_DBL_DIG
1783/* Use an overridden DBL_DIG */
1784# ifdef DBL_DIG
1785# undef DBL_DIG
1786# endif
1787# define DBL_DIG OVR_DBL_DIG
1788#else
1789/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1790 default value for printing floating point numbers in Gconvert
1791 (see config.h). (It also has other uses, such as figuring out if
1792 a given precision of printing can be done with a double instead of
1793 a long double - Allen).
2d4389e4
JH		 1794*/
1795#ifdef I_LIMITS
1796#include <limits.h>
1797#endif
1798#ifdef I_FLOAT
1799#include <float.h>
1800#endif
1801#ifndef HAS_DBL_DIG
1802#define DBL_DIG 15 /* A guess that works lots of places */
1803#endif
1804#endif
1805
1806#ifdef OVR_LDBL_DIG
1807/* Use an overridden LDBL_DIG */
1808# ifdef LDBL_DIG
1809# undef LDBL_DIG
1810# endif
1811# define LDBL_DIG OVR_LDBL_DIG
1812#else
1813/* The following is all to get LDBL_DIG, in order to pick a nice
1814 default value for printing floating point numbers in Gconvert.
1815 (see config.h)
1816*/
68d4903c
JH		 1817# ifdef I_LIMITS
1818# include <limits.h>
1819# endif
1820# ifdef I_FLOAT
1821# include <float.h>
1822# endif
1823# ifndef HAS_LDBL_DIG
1824# if LONG_DOUBLESIZE == 10
1825# define LDBL_DIG 18 /* assume IEEE */
1826# else
1827# if LONG_DOUBLESIZE == 12
1828# define LDBL_DIG 18 /* gcc? */
1829# else
1830# if LONG_DOUBLESIZE == 16
1831# define LDBL_DIG 33 /* assume IEEE */
1832# else
1833# if LONG_DOUBLESIZE == DOUBLESIZE
1834# define LDBL_DIG DBL_DIG /* bummer */
1835# endif
1836# endif
1837# endif
1838# endif
1839# endif
2d4389e4
JH		 1840#endif
1841
20f6aaab
AS		 1842/*
1843 * This is for making sure we have a good DBL_MAX value, if possible,
1844 * either for usage as NV_MAX or for usage in figuring out if we can
1845 * fit a given long double into a double, if bug-fixing makes it
1846 * necessary to do so. - Allen <allens@cpan.org>
1847 */
1848
205f51d8
AS		 1849#ifdef I_LIMITS
1850# include <limits.h>
20f6aaab
AS		 1851#endif
1852
205f51d8
AS		 1853#ifdef I_VALUES
1854# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1855# include <values.h>
1856# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1857# define DBL_MAX MAXDOUBLE
1858# endif
1859# if defined(MINDOUBLE) && !defined(DBL_MIN)
1860# define DBL_MIN MINDOUBLE
1861# endif
1862# endif
1863#endif /* defined(I_VALUES) */
1864
a22e52b9 1865typedef NVTYPE NV;
8175356b 1866
792d8dab
JH		 1867#ifdef I_IEEEFP
1868# include <ieeefp.h>
1869#endif
923fc586 1870
65202027 1871#ifdef USE_LONG_DOUBLE
923fc586
JH		 1872# ifdef I_SUNMATH
1873# include <sunmath.h>
1874# endif
2d4389e4 1875# define NV_DIG LDBL_DIG
d6c14000
JH		 1876# ifdef LDBL_MANT_DIG
1877# define NV_MANT_DIG LDBL_MANT_DIG
1878# endif
06fc1729
JH		 1879# ifdef LDBL_MIN
1880# define NV_MIN LDBL_MIN
1881# endif
1882# ifdef LDBL_MAX
1883# define NV_MAX LDBL_MAX
1884# endif
1885# ifdef LDBL_MIN_10_EXP
1886# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1887# endif
1888# ifdef LDBL_MAX_10_EXP
1889# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1890# endif
1891# ifdef LDBL_EPSILON
1892# define NV_EPSILON LDBL_EPSILON
1893# endif
f4a14a62
JH		 1894# ifdef LDBL_MAX
1895# define NV_MAX LDBL_MAX
20f6aaab 1896/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1897# else
1898# ifdef HUGE_VALL
1899# define NV_MAX HUGE_VALL
1900# else
1901# ifdef HUGE_VAL
1902# define NV_MAX ((NV)HUGE_VAL)
1903# endif
1904# endif
1905# endif
68d4903c 1906# ifdef HAS_SQRTL
68d4903c
JH		 1907# define Perl_cos cosl
1908# define Perl_sin sinl
1909# define Perl_sqrt sqrtl
1910# define Perl_exp expl
1911# define Perl_log logl
1912# define Perl_atan2 atan2l
1913# define Perl_pow powl
1914# define Perl_floor floorl
1bbae031 1915# define Perl_ceil ceill
68d4903c
JH		 1916# define Perl_fmod fmodl
1917# endif
a3540c92
JH		 1918/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1919# ifdef HAS_MODFL
1920# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1921/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1922 prototype in <math.h> */
1923# ifndef HAS_MODFL_PROTO
a221a8a5 1924EXTERN_C long double modfl(long double, long double *);
51997bc3 1925# endif
03476e8e
JH		 1926# else
1927# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1928 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1929# define Perl_modf(x,y) Perl_my_modfl(x,y)
1930# endif
a3540c92
JH		 1931# endif
1932# ifdef HAS_FREXPL
dff3e0b8 1933# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1934# else
1935# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1936 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1937# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1938# endif
a3540c92 1939# endif
38dbb4c5 1940# ifndef Perl_isnan
758a5d79
JH		 1941# ifdef HAS_ISNANL
1942# define Perl_isnan(x) isnanl(x)
1943# endif
1944# endif
1945# ifndef Perl_isinf
1946# ifdef HAS_FINITEL
1947# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1948# endif
1949# endif
65202027 1950#else
2d4389e4 1951# define NV_DIG DBL_DIG
d6c14000
JH		 1952# ifdef DBL_MANT_DIG
1953# define NV_MANT_DIG DBL_MANT_DIG
1954# endif
06fc1729
JH		 1955# ifdef DBL_MIN
1956# define NV_MIN DBL_MIN
1957# endif
1958# ifdef DBL_MAX
1959# define NV_MAX DBL_MAX
1960# endif
1961# ifdef DBL_MIN_10_EXP
1962# define NV_MIN_10_EXP DBL_MIN_10_EXP
1963# endif
1964# ifdef DBL_MAX_10_EXP
1965# define NV_MAX_10_EXP DBL_MAX_10_EXP
1966# endif
1967# ifdef DBL_EPSILON
1968# define NV_EPSILON DBL_EPSILON
1969# endif
205f51d8 1970# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1971# define NV_MAX DBL_MAX
1972# define NV_MIN DBL_MIN
1973# else
1974# ifdef HUGE_VAL
1975# define NV_MAX HUGE_VAL
1976# endif
1977# endif
65202027
DS		 1978# define Perl_cos cos
1979# define Perl_sin sin
1980# define Perl_sqrt sqrt
1981# define Perl_exp exp
1982# define Perl_log log
1983# define Perl_atan2 atan2
1984# define Perl_pow pow
1985# define Perl_floor floor
1bbae031 1986# define Perl_ceil ceil
65202027 1987# define Perl_fmod fmod
a3540c92 1988# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1989# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1990#endif
1991
1992/* rumor has it that Win32 has _fpclass() */
1993
205f51d8
AS		 1994/* SGI has fpclassl... but not with the same result values,
1995 * and it's via a typedef (not via #define), so will need to redo Configure
1996 * to use. Not worth the trouble, IMO, at least until the below is used
1997 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1998 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1999 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
2000
758a5d79
JH		 2001#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2002# ifdef I_IEEFP
2003# include <ieeefp.h>
2004# endif
2005# ifdef I_FP
2006# include <fp.h>
2007# endif
2008# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2009# define Perl_fp_class() fpclassl(x)
2010# else
2011# define Perl_fp_class() fpclass(x)
2012# endif
2013# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2014# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2015# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2016# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2017# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2018# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2019# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2020# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2021# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2022# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2023# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2024# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2025# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2026# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2027# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2028#endif
2029
7114a2d2 2030#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2031# include <math.h>
2032# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2033# include <fp_class.h>
2034# endif
2035# define Perl_fp_class(x) fp_class(x)
2036# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2037# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2038# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2039# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2040# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2041# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2042# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2043# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2044# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2045# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2046# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2047# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2048# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2049# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2050# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2051#endif
2052
2053#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2054# include <math.h>
2055# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2056# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2057# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2058# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2059# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2060# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2061#endif
2062
2063#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2064# include <math.h>
2065# ifndef _cplusplus
2066# define Perl_fp_class(x) class(x)
2067# else
2068# define Perl_fp_class(x) _class(x)
2069# endif
2070# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2071# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2072# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2073# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2074# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2075# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2076# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2077# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2078# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2079# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2080# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2081# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2082# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2083# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2084# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2085#endif
2086
2087/* rumor has it that Win32 has _isnan() */
2088
2089#ifndef Perl_isnan
a3540c92 2090# ifdef HAS_ISNAN
758a5d79
JH		 2091# define Perl_isnan(x) isnan((NV)x)
2092# else
2093# ifdef Perl_fp_class_nan
2094# define Perl_isnan(x) Perl_fp_class_nan(x)
2095# else
2096# ifdef HAS_UNORDERED
2097# define Perl_isnan(x) unordered((x), 0.0)
2098# else
2099# define Perl_isnan(x) ((x)!=(x))
2100# endif
2101# endif
2102# endif
2103#endif
2104
ca6c63e1
JH		 2105#ifdef UNDER_CE
2106int isnan(double d);
2107#endif
2108
758a5d79
JH		 2109#ifndef Perl_isinf
2110# ifdef HAS_ISINF
2111# define Perl_isinf(x) isinf((NV)x)
a3540c92 2112# else
758a5d79
JH		 2113# ifdef Perl_fp_class_inf
2114# define Perl_isinf(x) Perl_fp_class_inf(x)
2115# else
2116# define Perl_isinf(x) ((x)==NV_INF)
2117# endif
2118# endif
2119#endif
2120
2121#ifndef Perl_isfinite
2122# ifdef HAS_FINITE
2123# define Perl_isfinite(x) finite((NV)x)
2124# else
2125# ifdef HAS_ISFINITE
2126# define Perl_isfinite(x) isfinite(x)
2127# else
2128# ifdef Perl_fp_class_finite
2129# define Perl_isfinite(x) Perl_fp_class_finite(x)
2130# else
2131# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2132# endif
2133# endif
a3540c92 2134# endif
65202027
DS		 2135#endif
2136
a36244b7
JH		 2137/* The default is to use Perl's own atof() implementation (in numeric.c).
2138 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2139 * it is however best to use the native implementation of atof.
2140 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2141 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2142 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2143 * you may need to be using a different function than atof! */
a36244b7
JH		 2144
2145#ifndef USE_PERL_ATOF
2146# ifndef _UNICOS
2147# define USE_PERL_ATOF
2148# endif
2149#else
2150# if USE_PERL_ATOF == 0
2151# undef USE_PERL_ATOF
2152# endif
2153#endif
2154
2155#ifdef USE_PERL_ATOF
2156# define Perl_atof(s) Perl_my_atof(s)
2157# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2158#else
2159# define Perl_atof(s) (NV)atof(s)
2160# define Perl_atof2(s, n) ((n) = atof(s))
2161#endif
cf2093f6 2162
d460ef45 2163/* Previously these definitions used hardcoded figures.
760ac839
LW		 2164 * It is hoped these formula are more portable, although
2165 * no data one way or another is presently known to me.
2166 * The "PERL_" names are used because these calculated constants
2167 * do not meet the ANSI requirements for LONG_MAX, etc., which
2168 * need to be constants acceptable to #if - kja
2169 * define PERL_LONG_MAX 2147483647L
2170 * define PERL_LONG_MIN (-LONG_MAX - 1)
2171 * define PERL ULONG_MAX 4294967295L
2172 */
2173
2174#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2175# include <limits.h>
760ac839 2176#endif
205f51d8
AS		 2177/* Included values.h above if necessary; still including limits.h down here,
2178 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2179
99abf803 2180/*
2181 * Try to figure out max and min values for the integral types. THE CORRECT
2182 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2183 * following hacks are used if neither limits.h or values.h provide them:
2184 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2185 * for types < int: (unsigned TYPE)~(unsigned)0
2186 * The argument to ~ must be unsigned so that later signed->unsigned
2187 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2188 * and it must not be smaller than int because ~ does integral promotion.
2189 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2190 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2191 * The latter is a hack which happens to work on some machines but
2192 * does *not* catch any random system, or things like integer types
2193 * with NaN if that is possible.
2194 *
2195 * All of the types are explicitly cast to prevent accidental loss of
2196 * numeric range, and in the hope that they will be less likely to confuse
2197 * over-eager optimizers.
2198 *
2199 */
27d4fb96 2200
99abf803 2201#define PERL_UCHAR_MIN ((unsigned char)0)
2202
2203#ifdef UCHAR_MAX
2204# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2205#else
99abf803 2206# ifdef MAXUCHAR
2207# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2208# else
99abf803 2209# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2210# endif
2211#endif
d460ef45 2212
99abf803 2213/*
2214 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2215 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2216 * depending on local options. Until Configure detects this (or at least
2217 * detects whether the "signed" keyword is available) the CHAR ranges
2218 * will not be included. UCHAR functions normally.
2219 * - kja
2220 */
27d4fb96 2221
99abf803 2222#define PERL_USHORT_MIN ((unsigned short)0)
2223
2224#ifdef USHORT_MAX
2225# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2226#else
99abf803 2227# ifdef MAXUSHORT
2228# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2229# else
ef2f54b0
CB		 2230# ifdef USHRT_MAX
2231# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2232# else
2233# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2234# endif
27d4fb96 2235# endif
2236#endif
2237
27d4fb96 2238#ifdef SHORT_MAX
99abf803 2239# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2240#else
2241# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2242# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2243# else
ef2f54b0
CB		 2244# ifdef SHRT_MAX
2245# define PERL_SHORT_MAX ((short)SHRT_MAX)
2246# else
2247# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2248# endif
27d4fb96 2249# endif
2250#endif
2251
2252#ifdef SHORT_MIN
99abf803 2253# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2254#else
2255# ifdef MINSHORT
99abf803 2256# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2257# else
ef2f54b0
CB		 2258# ifdef SHRT_MIN
2259# define PERL_SHORT_MIN ((short)SHRT_MIN)
2260# else
2261# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2262# endif
27d4fb96 2263# endif
2264#endif
2265
99abf803 2266#ifdef UINT_MAX
2267# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2268#else
99abf803 2269# ifdef MAXUINT
2270# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2271# else
99abf803 2272# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2273# endif
2274#endif
2275
99abf803 2276#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2277
2278#ifdef INT_MAX
99abf803 2279# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2280#else
2281# ifdef MAXINT /* Often used in <values.h> */
99abf803 2282# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2283# else
99abf803 2284# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2285# endif
2286#endif
2287
2288#ifdef INT_MIN
99abf803 2289# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2290#else
2291# ifdef MININT
99abf803 2292# define PERL_INT_MIN ((int)MININT)
27d4fb96 2293# else
2294# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2295# endif
2296#endif
2297
99abf803 2298#ifdef ULONG_MAX
2299# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2300#else
99abf803 2301# ifdef MAXULONG
2302# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2303# else
99abf803 2304# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2305# endif
2306#endif
2307
99abf803 2308#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2309
760ac839 2310#ifdef LONG_MAX
99abf803 2311# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2312#else
2313# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2314# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2315# else
99abf803 2316# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2317# endif
2318#endif
2319
2320#ifdef LONG_MIN
99abf803 2321# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2322#else
2323# ifdef MINLONG
99abf803 2324# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2325# else
27d4fb96 2326# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2327# endif
2328#endif
2329
d7d93a81 2330#ifdef UV_IS_QUAD
99abf803 2331
99abf803 2332# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2333# define PERL_UQUAD_MIN ((UV)0)
99abf803 2334# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2335# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2336
79072805
LW		 2337#endif
2338
22f7c9c9
JH		 2339#ifdef MYMALLOC
2340# include "malloc_ctl.h"
2341#endif
2342
830247a4 2343struct RExC_state_t;
8e11feef 2344struct _reg_trie_data;
880b20b6 2345
ee0007ab 2346typedef MEM_SIZE STRLEN;
450a55e4 2347
598921a7
NC		 2348#ifdef PERL_MAD
2349typedef struct token TOKEN;
2350typedef struct madprop MADPROP;
2351typedef struct nexttoken NEXTTOKE;
2352#endif
79072805
LW		 2353typedef struct op OP;
2354typedef struct cop COP;
2355typedef struct unop UNOP;
2356typedef struct binop BINOP;
2357typedef struct listop LISTOP;
2358typedef struct logop LOGOP;
79072805
LW		 2359typedef struct pmop PMOP;
2360typedef struct svop SVOP;
7934575e 2361typedef struct padop PADOP;
79072805 2362typedef struct pvop PVOP;
79072805
LW		 2363typedef struct loop LOOP;
2364
cd1541b2
NC		 2365typedef struct interpreter PerlInterpreter;
2366
d2b3f365
SS		 2367/* Amdahl's <ksync.h> has struct sv */
2368/* SGI's <sys/sema.h> has struct sv */
2369#if defined(UTS) || defined(__sgi)
2370# define STRUCT_SV perl_sv
b8d3c5db
JH		 2371#else
2372# define STRUCT_SV sv
2373#endif
2374typedef struct STRUCT_SV SV;
79072805
LW		 2375typedef struct av AV;
2376typedef struct hv HV;
2377typedef struct cv CV;
288b8c02 2378typedef struct regexp ORANGE; /* This is the body structure. */
d2f13c59 2379typedef struct p5rx REGEXP;
79072805 2380typedef struct gp GP;
0c30d9ec 2381typedef struct gv GV;
8990e307 2382typedef struct io IO;
c09156bb 2383typedef struct context PERL_CONTEXT;
79072805
LW		 2384typedef struct block BLOCK;
2385
2386typedef struct magic MAGIC;
2387typedef struct xpv XPV;
2388typedef struct xpviv XPVIV;
ff68c719 2389typedef struct xpvuv XPVUV;
79072805
LW		 2390typedef struct xpvnv XPVNV;
2391typedef struct xpvmg XPVMG;
2392typedef struct xpvlv XPVLV;
2393typedef struct xpvav XPVAV;
2394typedef struct xpvhv XPVHV;
2395typedef struct xpvgv XPVGV;
2396typedef struct xpvcv XPVCV;
2397typedef struct xpvbm XPVBM;
2398typedef struct xpvfm XPVFM;
8990e307 2399typedef struct xpvio XPVIO;
79072805
LW		 2400typedef struct mgvtbl MGVTBL;
2401typedef union any ANY;
5f7fde29
GS		 2402typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2403typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2404typedef struct clone_params CLONE_PARAMS;
2405
378cc40b 2406#include "handy.h"
a0d0e21e 2407
6b8eaf93 2408#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2409# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2410# define USE_64_BIT_RAWIO /* implicit */
2411# endif
4564133c
JH		 2412#endif
2413
6b8eaf93
JH		 2414/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2415 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2416 * however, because operating systems like to do that themself. */
2417#ifndef FSEEKSIZE
2418# ifdef HAS_FSEEKO
2419# define FSEEKSIZE LSEEKSIZE
2420# else
2421# define FSEEKSIZE LONGSIZE
d460ef45 2422# endif
6b8eaf93
JH		 2423#endif
2424
2425#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2426# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2427# define USE_64_BIT_STDIO /* implicit */
2428# endif
2429#endif
4564133c 2430
09458382 2431#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2432# ifdef HAS_OFF64_T
2433# undef Off_t
2434# define Off_t off64_t
2435# undef LSEEKSIZE
2436# define LSEEKSIZE 8
5ff3f7a4 2437# endif
d9b3e12d
JH		 2438/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2439 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2440 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2441# if defined(USE_OPEN64)
2442# define open open64
5ff3f7a4 2443# endif
d9b3e12d
JH		 2444# if defined(USE_LSEEK64)
2445# define lseek lseek64
6b8eaf93
JH		 2446# else
2447# if defined(USE_LLSEEK)
2448# define lseek llseek
2449# endif
d9b3e12d
JH		 2450# endif
2451# if defined(USE_STAT64)
2452# define stat stat64
2453# endif
2454# if defined(USE_FSTAT64)
2455# define fstat fstat64
2456# endif
2457# if defined(USE_LSTAT64)
2458# define lstat lstat64
2459# endif
2460# if defined(USE_FLOCK64)
2461# define flock flock64
2462# endif
2463# if defined(USE_LOCKF64)
2464# define lockf lockf64
2465# endif
2466# if defined(USE_FCNTL64)
2467# define fcntl fcntl64
2468# endif
2469# if defined(USE_TRUNCATE64)
2470# define truncate truncate64
2471# endif
2472# if defined(USE_FTRUNCATE64)
2473# define ftruncate ftruncate64
2474# endif
2475#endif
2476
2477#ifdef USE_64_BIT_STDIO
2478# ifdef HAS_FPOS64_T
2479# undef Fpos_t
2480# define Fpos_t fpos64_t
2481# endif
2482/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2483 * will trigger defines like the ones below. Some 64-bit environments,
2484 * however, do not. */
2485# if defined(USE_FOPEN64)
2486# define fopen fopen64
2487# endif
2488# if defined(USE_FSEEK64)
6b8eaf93 2489# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2490# endif
2491# if defined(USE_FTELL64)
6b8eaf93 2492# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2493# endif
2494# if defined(USE_FSETPOS64)
2495# define fsetpos fsetpos64
2496# endif
2497# if defined(USE_FGETPOS64)
2498# define fgetpos fgetpos64
2499# endif
2500# if defined(USE_TMPFILE64)
2501# define tmpfile tmpfile64
2502# endif
2503# if defined(USE_FREOPEN64)
2504# define freopen freopen64
5ff3f7a4
GS		 2505# endif
2506#endif
2507
af8b425d 2508#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2509# include "iperlsys.h"
2510#endif
2511
6f71a643 2512#if defined(__OPEN_VM)
19848b3f
JH		 2513# include "vmesa/vmesaish.h"
2514# define ISHISH "vmesa"
6f71a643
JH		 2515#endif
2516
748a9306 2517#ifdef DOSISH
19848b3f
JH		 2518# if defined(OS2)
2519# include "os2ish.h"
2520# else
2521# include "dosish.h"
2522# endif
2523# define ISHISH "dos"
2524#endif
2525
2526#if defined(VMS)
748a9306 2527# include "vmsish.h"
96e176bf 2528# include "embed.h"
eb8433b7
NC		 2529# ifndef PERL_MAD
2530# undef op_getmad
b3f24c00 2531# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2532# endif
19848b3f
JH		 2533# define ISHISH "vms"
2534#endif
2535
2536#if defined(PLAN9)
2537# include "./plan9/plan9ish.h"
2538# define ISHISH "plan9"
2539#endif
2540
2541#if defined(MPE)
2542# include "mpeix/mpeixish.h"
2543# define ISHISH "mpeix"
2544#endif
2545
2546#if defined(__VOS__)
196918b0
PG		 2547# ifdef __GNUC__
2548# include "./vos/vosish.h"
2549# else
2550# include "vos/vosish.h"
2551# endif
19848b3f
JH		 2552# define ISHISH "vos"
2553#endif
2554
2555#if defined(EPOC)
2556# include "epocish.h"
2557# define ISHISH "epoc"
2558#endif
2559
9969cdde 2560#ifdef __SYMBIAN32__
27da23d5
JH		 2561# include "symbian/symbianish.h"
2562# include "embed.h"
eb8433b7
NC		 2563# ifndef PERL_MAD
2564# undef op_getmad
b3f24c00 2565# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2566# endif
27da23d5
JH		 2567# define ISHISH "symbian"
2568#endif
2569
19848b3f
JH		 2570#if defined(MACOS_TRADITIONAL)
2571# include "macos/macish.h"
2572# ifndef NO_ENVIRON_ARRAY
2573# define NO_ENVIRON_ARRAY
0c30d9ec 2574# endif
19848b3f
JH		 2575# define ISHISH "macos classic"
2576#endif
2577
df00ff3b
IW		 2578#if defined(__HAIKU__)
2579# include "haiku/haikuish.h"
2580# define ISHISH "haiku"
2581#elif defined(__BEOS__)
efca5cc6
JH		 2582# include "beos/beosish.h"
2583# define ISHISH "beos"
2584#endif
2585
19848b3f
JH		 2586#ifndef ISHISH
2587# include "unixish.h"
2588# define ISHISH "unix"
13b6e58c
JH		 2589#endif
2590
2946a158
JH		 2591/* NSIG logic from Configure --> */
2592/* Strange style to avoid deeply-nested #if/#else/#endif */
2593#ifndef NSIG
2594# ifdef _NSIG
2595# define NSIG (_NSIG)
2596# endif
2597#endif
2598
2599#ifndef NSIG
2600# ifdef SIGMAX
2601# define NSIG (SIGMAX+1)
2602# endif
2603#endif
2604
2605#ifndef NSIG
2606# ifdef SIG_MAX
2607# define NSIG (SIG_MAX+1)
2608# endif
2609#endif
2610
2611#ifndef NSIG
2612# ifdef _SIG_MAX
2613# define NSIG (_SIG_MAX+1)
2614# endif
2615#endif
2616
2617#ifndef NSIG
2618# ifdef MAXSIG
2619# define NSIG (MAXSIG+1)
2620# endif
2621#endif
2622
2623#ifndef NSIG
2624# ifdef MAX_SIG
2625# define NSIG (MAX_SIG+1)
2626# endif
2627#endif
2628
2629#ifndef NSIG
2630# ifdef SIGARRAYSIZE
2631# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2632# endif
2633#endif
2634
2635#ifndef NSIG
2636# ifdef _sys_nsig
2637# define NSIG (_sys_nsig) /* Solaris 2.5 */
2638# endif
2639#endif
2640
2641/* Default to some arbitrary number that's big enough to get most
2642 of the common signals.
2643*/
2644#ifndef NSIG
2645# define NSIG 50
2646#endif
2647/* <-- NSIG logic from Configure */
2648
13b6e58c
JH		 2649#ifndef NO_ENVIRON_ARRAY
2650# define USE_ENVIRON_ARRAY
2651#endif
32f822de 2652
c77b533b
JH		 2653/*
2654 * initialise to avoid floating-point exceptions from overflow, etc
2655 */
2656#ifndef PERL_FPU_INIT
2657# ifdef HAS_FPSETMASK
2658# if HAS_FLOATINGPOINT_H
2659# include <floatingpoint.h>
2660# endif
ad3a8c67
NC		 2661/* Some operating systems have this as a macro, which in turn expands to a comma
2662 expression, and the last sub-expression is something that gets calculated,
2663 and then they have the gall to warn that a value computed is not used. Hence
2664 cast to void. */
2665# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2666# else
2f42fcb0 2667# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2668# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2669# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2670# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2671# else
2672# define PERL_FPU_INIT
2f42fcb0 2673
7014c407 2674# endif
c77b533b
JH		 2675# endif
2676#endif
b35112e7
CS		 2677#ifndef PERL_FPU_PRE_EXEC
2678# define PERL_FPU_PRE_EXEC {
2679# define PERL_FPU_POST_EXEC }
2680#endif
c77b533b 2681
cbec8ebe
DM		 2682#ifndef PERL_SYS_INIT3_BODY
2683# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2684#endif
2685
cbec8ebe
DM		 2686#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2687#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2688#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2689
be708cc0
JH		 2690#ifndef PERL_WRITE_MSG_TO_CONSOLE
2691# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2692#endif
2693
0f31cffe
GS		 2694#ifndef MAXPATHLEN
2695# ifdef PATH_MAX
b990c8b2
JH		 2696# ifdef _POSIX_PATH_MAX
2697# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2698/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2699 * included the null byte or not. Later amendments of POSIX,
2700 * XPG4, the Austin Group, and the Single UNIX Specification
2701 * all explicitly include the null byte in the PATH_MAX.
2702 * Ditto for _POSIX_PATH_MAX. */
2703# define MAXPATHLEN PATH_MAX
b990c8b2 2704# else
09448d78 2705# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2706# endif
2707# else
2708# define MAXPATHLEN (PATH_MAX+1)
2709# endif
0f31cffe 2710# else
b990c8b2 2711# ifdef _POSIX_PATH_MAX
09448d78 2712# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2713# else
2714# define MAXPATHLEN 1024 /* Err on the large side. */
2715# endif
0f31cffe
GS		 2716# endif
2717#endif
2718
c80263a8
SH		 2719/* In case Configure was not used (we are using a "canned config"
2720 * such as Win32, or a cross-compilation setup, for example) try going
2721 * by the gcc major and minor versions. One useful URL is
2722 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2723 * but contrary to this information warn_unused_result seems
2724 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2725 * Also, when building extensions with an installed perl, this allows
2726 * the user to upgrade gcc and get the right attributes, rather than
2727 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2728 * Set these up now otherwise we get confused when some of the <*thread.h>
2729 * includes below indirectly pull in <perlio.h> (which needs to know if we
2730 * have HASATTRIBUTE_FORMAT).
2731 */
2732
4d7c7898 2733#ifndef PERL_MICRO
fc2007d4 2734#if defined __GNUC__ && !defined(__INTEL_COMPILER)
c80263a8
SH		 2735# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2736# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2737# if defined __MINGW32__
2738# define PRINTF_FORMAT_NULL_OK
2739# endif
c80263a8
SH		 2740# endif
2741# if __GNUC__ >= 3 /* 3.0 -> */
2742# define HASATTRIBUTE_MALLOC
2743# endif
2744# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2745# define HASATTRIBUTE_NONNULL
2746# endif
2747# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2748# define HASATTRIBUTE_NORETURN
2749# endif
2750# if __GNUC__ >= 3 /* gcc 3.0 -> */
2751# define HASATTRIBUTE_PURE
2752# endif
42bf5550 2753# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2754# define HASATTRIBUTE_UNUSED
2755# endif
d324fe49
AD		 2756# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2757# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2758# endif
c80263a8
SH		 2759# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2760# define HASATTRIBUTE_WARN_UNUSED_RESULT
2761# endif
2762#endif
4d7c7898 2763#endif /* #ifndef PERL_MICRO */
c80263a8 2764
3db8f154 2765/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2766 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2767 * this results in many functions being undeclared which bothers C++
2768 * May make sense to have threads after "*ish.h" anyway
2769 */
2770
3db8f154 2771#if defined(USE_ITHREADS)
2986a63f
JH		 2772# ifdef NETWARE
2773# include <nw5thread.h>
2774# else
32f822de
GS		 2775# ifdef FAKE_THREADS
2776# include "fakethr.h"
2777# else
2778# ifdef WIN32
2779# include <win32thread.h>
2780# else
dd96f567
IZ		 2781# ifdef OS2
2782# include "os2thread.h"
2783# else
7f3d1cf1 2784# ifdef I_MACH_CTHREADS
bdd66968 2785# include <mach/cthreads.h>
8f1f23e8 2786# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2787# define MUTEX_INIT_CALLS_MALLOC
2788# endif
7f3d1cf1
BH		 2789typedef cthread_t perl_os_thread;
2790typedef mutex_t perl_mutex;
2791typedef condition_t perl_cond;
2792typedef void * perl_key;
2793# else /* Posix threads */
1f5ae88c
JH		 2794# ifdef I_PTHREAD
2795# include <pthread.h>
2796# endif
7f3d1cf1
BH		 2797typedef pthread_t perl_os_thread;
2798typedef pthread_mutex_t perl_mutex;
2799typedef pthread_cond_t perl_cond;
2800typedef pthread_key_t perl_key;
2801# endif /* I_MACH_CTHREADS */
dd96f567 2802# endif /* OS2 */
32f822de
GS		 2803# endif /* WIN32 */
2804# endif /* FAKE_THREADS */
2986a63f 2805#endif /* NETWARE */
3db8f154 2806#endif /* USE_ITHREADS */
c5be433b 2807
66a93824 2808#if defined(WIN32)
1feb2720 2809# include "win32.h"
c5be433b
GS		 2810#endif
2811
2986a63f
JH		 2812#ifdef NETWARE
2813# include "netware.h"
2814#endif
2815
e5218da5 2816#define STATUS_UNIX PL_statusvalue
68dc0745 2817#ifdef VMS
6b88bc9c 2818# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2819/*
2820 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2821 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2822 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2823 * be updated also.
2824 */
2825# include <stsdef.h>
2826# include <ssdef.h>
2827/* Presume this because if VMS changes it, it will require a new
2828 * set of APIs for waiting on children for binary compatibility.
2829 */
2830# define child_offset_bits (8)
2831# ifndef C_FAC_POSIX
2832# define C_FAC_POSIX 0x35A000
2833# endif
2834
2835/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2836 * platform from the existing UNIX or Native status values.
2837 */
2838
37038d91 2839# define STATUS_EXIT \
7a7fd8e0
JM		 2840 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2841 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2842
7a7fd8e0 2843
fb38d079
JM		 2844/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2845 * exit code and shifts the UNIX value over the correct number of bits to
2846 * be a child status. Usually the number of bits is 8, but that could be
2847 * platform dependent. The NATIVE status code is presumed to have either
2848 * from a child process.
7a7fd8e0
JM		 2849 */
2850
fb38d079
JM		 2851/* This is complicated. The child processes return a true native VMS
2852 status which must be saved. But there is an assumption in Perl that
2853 the UNIX child status has some relationship to errno values, so
2854 Perl tries to translate it to text in some of the tests.
2855 In order to get the string translation correct, for the error, errno
2856 must be EVMSERR, but that generates a different text message
2857 than what the test programs are expecting. So an errno value must
2858 be derived from the native status value when an error occurs.
2859 That will hide the true native status message. With this version of
2860 perl, the true native child status can always be retrieved so that
2861 is not a problem. But in this case, Pl_statusvalue and errno may
2862 have different values in them.
2863 */
7a7fd8e0 2864
fb38d079 2865# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2866 STMT_START { \
2fbb330f
JM		 2867 I32 evalue = (I32)n; \
2868 if (evalue == EVMSERR) { \
2869 PL_statusvalue_vms = vaxc$errno; \
2870 PL_statusvalue = evalue; \
7a7fd8e0 2871 } else { \
2fbb330f 2872 PL_statusvalue_vms = evalue; \
fb38d079 2873 if (evalue == -1) { \
3280af22 2874 PL_statusvalue = -1; \
7a7fd8e0
JM		 2875 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2876 } else \
fb38d079 2877 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2878 set_vaxc_errno(evalue); \
fb38d079
JM		 2879 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2880 set_errno(EVMSERR); \
2881 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2882 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2883 } \
68dc0745 2884 } STMT_END
7a7fd8e0 2885
68dc0745 2886# ifdef VMSISH_STATUS
e5218da5 2887# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2888# else
e5218da5 2889# define STATUS_CURRENT STATUS_UNIX
68dc0745 2890# endif
7a7fd8e0
JM		 2891
2892 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2893 * the NATIVE status to an equivalent value. Can not be used to translate
2894 * exit code values as exit code values are not guaranteed to have any
2895 * relationship at all to errno values.
2896 * This is used when Perl is forcing errno to have a specific value.
2897 */
e5218da5 2898# define STATUS_UNIX_SET(n) \
68dc0745 2899 STMT_START { \
7a7fd8e0 2900 I32 evalue = (I32)n; \
0968cdad 2901 PL_statusvalue = evalue; \
3280af22 2902 if (PL_statusvalue != -1) { \
0968cdad
JM		 2903 if (PL_statusvalue != EVMSERR) { \
2904 PL_statusvalue &= 0xFFFF; \
2905 if (MY_POSIX_EXIT) \
2906 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2907 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2908 } \
2909 else { \
2910 PL_statusvalue_vms = vaxc$errno; \
2911 } \
68dc0745 2912 } \
0968cdad
JM		 2913 else PL_statusvalue_vms = SS$_ABORT; \
2914 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2915 } STMT_END
2916
2917 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2918 * the NATIVE error status based on it. It does not assume that
fb38d079
JM		 2919 * the UNIX/POSIX exit codes have any relationship to errno, except
2920 * that 0 indicates a success. When in the default mode to comply
6ac6a52b
JM		 2921 * with the Perl VMS documentation, any other code sets the NATIVE
2922 * status to a failure code of SS$_ABORT.
fb38d079
JM		 2923 *
2924 * In the new POSIX EXIT mode, native status will be set so that the
2925 * actual exit code will can be retrieved by the calling program or
2926 * shell.
2927 *
2928 * If the exit code is not clearly a UNIX parent or child exit status,
2929 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2930 */
2931
fb38d079 2932# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2933 STMT_START { \
2934 I32 evalue = (I32)n; \
2935 PL_statusvalue = evalue; \
fb38d079
JM		 2936 if (evalue != -1) { \
2937 if (evalue <= 0xFF00) { \
2938 if (evalue > 0xFF) \
2939 evalue = (evalue >> child_offset_bits) & 0xFF; \
2940 if (evalue == 0) \
2941 PL_statusvalue_vms == SS$_NORMAL; \
2942 else \
2943 if (MY_POSIX_EXIT) \
1a3aec58
JM		 2944 PL_statusvalue_vms = \
2945 (C_FAC_POSIX | (evalue << 3 ) | \
2946 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
0968cdad 2947 else \
6ac6a52b 2948 PL_statusvalue_vms = SS$_ABORT; \
fb38d079
JM		 2949 } else { /* forgive them Perl, for they have sinned */ \
2950 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2951 else PL_statusvalue_vms = vaxc$errno; \
2952 /* And obviously used a VMS status value instead of UNIX */ \
2953 PL_statusvalue = EVMSERR; \
2954 } \
7a7fd8e0
JM		 2955 } \
2956 else PL_statusvalue_vms = SS$_ABORT; \
2957 set_vaxc_errno(PL_statusvalue_vms); \
68dc0745 2958 } STMT_END
fb38d079 2959
6ac6a52b
JM		 2960 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2961 * and sets the NATIVE error status based on it. This special case
2962 * is needed to maintain compatibility with past VMS behavior.
2963 *
2964 * In the default mode on VMS, this number is passed through as
2965 * both the NATIVE and UNIX status. Which makes it different
2966 * that the STATUS_UNIX_EXIT_SET.
2967 *
2968 * In the new POSIX EXIT mode, native status will be set so that the
2969 * actual exit code will can be retrieved by the calling program or
2970 * shell.
2971 *
1a3aec58
JM		 2972 * A POSIX exit code is from 0 to 255. If the exit code is higher
2973 * than this, it needs to be assumed that it is a VMS exit code and
2974 * passed through.
6ac6a52b
JM		 2975 */
2976
2977# define STATUS_EXIT_SET(n) \
2978 STMT_START { \
2979 I32 evalue = (I32)n; \
2980 PL_statusvalue = evalue; \
2981 if (MY_POSIX_EXIT) \
1a3aec58
JM		 2982 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
2983 PL_statusvalue_vms = \
2984 (C_FAC_POSIX | (evalue << 3 ) | \
2985 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 2986 else \
2987 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2988 set_vaxc_errno(PL_statusvalue_vms); \
2989 } STMT_END
2990
fb38d079
JM		 2991
2992 /* This macro forces a success status */
7a7fd8e0
JM		 2993# define STATUS_ALL_SUCCESS \
2994 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 2995
2996 /* This macro forces a failure status */
7a7fd8e0
JM		 2997# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2998 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2999 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3000
68dc0745 3001#else
e5218da5 3002# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3003# if defined(WCOREDUMP)
37038d91 3004# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3005 STMT_START { \
3006 PL_statusvalue_posix = (n); \
3007 if (PL_statusvalue_posix == -1) \
3008 PL_statusvalue = -1; \
3009 else { \
3010 PL_statusvalue = \
3011 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3012 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3013 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3014 } \
3015 } STMT_END
3016# elif defined(WIFEXITED)
37038d91 3017# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3018 STMT_START { \
3019 PL_statusvalue_posix = (n); \
3020 if (PL_statusvalue_posix == -1) \
3021 PL_statusvalue = -1; \
3022 else { \
3023 PL_statusvalue = \
3024 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3025 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3026 } \
3027 } STMT_END
3028# else
37038d91 3029# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3030 STMT_START { \
3031 PL_statusvalue_posix = (n); \
3032 if (PL_statusvalue_posix == -1) \
3033 PL_statusvalue = -1; \
3034 else { \
3035 PL_statusvalue = \
3036 PL_statusvalue_posix & 0xFFFF; \
3037 } \
3038 } STMT_END
3039# endif
3040# define STATUS_UNIX_SET(n) \
68dc0745 3041 STMT_START { \
3280af22
NIS		 3042 PL_statusvalue = (n); \
3043 if (PL_statusvalue != -1) \
3044 PL_statusvalue &= 0xFFFF; \
68dc0745 3045 } STMT_END
7a7fd8e0 3046# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3047# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3048# define STATUS_CURRENT STATUS_UNIX
37038d91 3049# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3050# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3051# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3052#endif
3053
cc3604b1
GS		 3054/* flags in PL_exit_flags for nature of exit() */
3055#define PERL_EXIT_EXPECTED 0x01
31d77e54 3056#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3057
0b94c7bb 3058#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 3059# define MEMBER_TO_FPTR(name) name
3060#endif
3061
3062/* format to use for version numbers in file/directory names */
273cf8d1 3063/* XXX move to Configure? */
a7cb1f99 3064#ifndef PERL_FS_VER_FMT
273cf8d1 3065# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 3066#endif
3067
45bc9206 3068/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3069 * performance issue, so we allow people to disable it. Also, if
3070 * we are using stdio, there are broken implementations of fflush(NULL)
3071 * out there, Solaris being the most prominent.
45bc9206
GS		 3072 */
3073#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3074# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3075# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3076# else
3077# ifdef FFLUSH_ALL
3078# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3079# else
c5be433b 3080# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3081# endif
66fe083f 3082# endif
45bc9206
GS		 3083#endif
3084
7766f137
GS		 3085#ifndef PERL_WAIT_FOR_CHILDREN
3086# define PERL_WAIT_FOR_CHILDREN NOOP
3087#endif
3088
ba869deb 3089/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3090#ifndef PERL_SET_INTERP
3091# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3092#endif
3093
3094#ifndef PERL_GET_INTERP
3095# define PERL_GET_INTERP (PL_curinterp)
3096#endif
3097
54aff467 3098#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3099# ifdef MULTIPLICITY
ba869deb 3100# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3101# endif
ba869deb
GS		 3102# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3103#endif
3104
8896765a
RB		 3105/*
3106 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3107 All that is required is that the perl source does not
8896765a
RB		 3108 use "%-p" or "%-<number>p" or "%<number>p" formats.
3109 These formats will still work in perl code.
3110 See comments in sv.c for futher details.
3111
8896765a 3112 Robin Barker 2005-07-14
f46d31f2
RB		 3113
3114 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3115*/
8896765a
RB		 3116
3117#ifndef SVf_
63ce7bf0 3118# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3119#endif
3120
8896765a 3121#ifndef SVf
104abab4 3122# define SVf "-p"
d2560b70
RB		 3123#endif
3124
014ead4b 3125#ifndef SVf32
8896765a 3126# define SVf32 SVf_(32)
014ead4b
RB		 3127#endif
3128
3129#ifndef SVf256
8896765a
RB		 3130# define SVf256 SVf_(256)
3131#endif
3132
be2597df
MHM		 3133#define SVfARG(p) ((void*)(p))
3134
f46d31f2
RB		 3135#ifdef PERL_CORE
3136/* not used; but needed for backward compatibilty with XS code? - RMB */
3137# undef VDf
3138#else
3139# ifndef VDf
8896765a
RB		 3140# define VDf "vd"
3141# endif
014ead4b 3142#endif
170cd9e9
NC		 3143
3144#ifdef PERL_CORE
f5992bc4 3145/* not used; but needed for backward compatibilty with XS code? - RMB */
7776bb98
RB		 3146# undef UVf
3147#else
170cd9e9
NC		 3148# ifndef UVf
3149# define UVf UVuf
3150# endif
d2560b70
RB		 3151#endif
3152
0dbb1585
AL		 3153#ifdef HASATTRIBUTE_FORMAT
3154# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3155#endif
3156#ifdef HASATTRIBUTE_MALLOC
77785eea 3157# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3158#endif
0dbb1585 3159#ifdef HASATTRIBUTE_NONNULL
abb2c242 3160# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3161#endif
0dbb1585 3162#ifdef HASATTRIBUTE_NORETURN
abb2c242 3163# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3164#endif
0dbb1585 3165#ifdef HASATTRIBUTE_PURE
abb2c242 3166# define __attribute__pure__ __attribute__((pure))
f22be1b8 3167#endif
0dbb1585
AL		 3168#ifdef HASATTRIBUTE_UNUSED
3169# define __attribute__unused__ __attribute__((unused))
3170#endif
3171#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3172# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3173#endif
3174
0dbb1585
AL		 3175/* If we haven't defined the attributes yet, define them to blank. */
3176#ifndef __attribute__format__
3177# define __attribute__format__(x,y,z)
3178#endif
f22be1b8 3179#ifndef __attribute__malloc__
abb2c242 3180# define __attribute__malloc__
f22be1b8
JH		 3181#endif
3182#ifndef __attribute__nonnull__
abb2c242 3183# define __attribute__nonnull__(a)
f22be1b8
JH		 3184#endif
3185#ifndef __attribute__noreturn__
abb2c242 3186# define __attribute__noreturn__
f22be1b8
JH		 3187#endif
3188#ifndef __attribute__pure__
abb2c242 3189# define __attribute__pure__
f22be1b8 3190#endif
0dbb1585
AL		 3191#ifndef __attribute__unused__
3192# define __attribute__unused__
3193#endif
f22be1b8 3194#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3195# define __attribute__warn_unused_result__
3196#endif
3197
0dbb1585
AL		 3198/* For functions that are marked as __attribute__noreturn__, it's not
3199 appropriate to call return. In either case, include the lint directive.
3200 */
3201#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3202# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3203#else
b37c2d43 3204# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH		 3205#endif
3206
cdfeb707
RB		 3207/* Some OS warn on NULL format to printf */
3208#ifdef PRINTF_FORMAT_NULL_OK
3209# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3210#else
3211# define __attribute__format__null_ok__(x,y,z)
3212#endif
3213
635aebb7 3214#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3215# define EXPECT(expr,val) __builtin_expect(expr,val)
3216#else
3217# define EXPECT(expr,val) (expr)
3218#endif
3219#define LIKELY(cond) EXPECT(cond,1)
3220#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3221#ifdef HAS_BUILTIN_CHOOSE_EXPR
3222/* placeholder */
3223#endif
b37c2d43 3224
3fc1aec6 3225/* Some unistd.h's give a prototype for pause() even though
3226 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3227 below to be rejected by the compiler. Sigh.
3fc1aec6 3228*/
3229#ifdef HAS_PAUSE
3230#define Pause pause
3231#else
3232#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3233#endif
3234
3235#ifndef IOCPARM_LEN
3236# ifdef IOCPARM_MASK
61f1c44b 3237 /* on BSDish systems we're safe */
748a9306
LW		 3238# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3239# else
61f1c44b 3240# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3241 /* on Linux systems we're safe; except when we're not [perl #38223] */
3242# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3243# else
748a9306 3244 /* otherwise guess at what's safe */
61f1c44b
JVD		 3245# define IOCPARM_LEN(x) 256
3246# endif
748a9306 3247# endif
a0d0e21e
LW		 3248#endif
3249
1761cee5 3250#if defined(__CYGWIN__)
521e0776
GS		 3251/* USEMYBINMODE
3252 * This symbol, if defined, indicates that the program should
16fe6d59 3253 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3254 * that a file is in "binary" mode -- that is, that no translation
3255 * of bytes occurs on read or write operations.
3256 */
36894f0b 3257# define USEMYBINMODE /**/
77a40698 3258# include <io.h> /* for setmode() prototype */
16fe6d59 3259# define my_binmode(fp, iotype, mode) \
77a40698 3260 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3261#endif
3262
88d10794
JH		 3263#ifdef __CYGWIN__
3264void init_os_extras(void);
3265#endif
3266
cea2e8a9
GS		 3267#ifdef UNION_ANY_DEFINITION
3268UNION_ANY_DEFINITION;
3269#else
3270union any {
3271 void* any_ptr;
3272 I32 any_i32;
3273 IV any_iv;
3274 long any_long;
9febdf04 3275 bool any_bool;
c76ac1ee 3276 void (*any_dptr) (void*);
acfe0abc 3277 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3278};
3279#endif
3280
acfe0abc 3281typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3282
3283#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3284#define FILTER_DATA(idx) \
3285 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3286#define FILTER_ISREADER(idx) \
3287 (PL_parser && PL_parser->rsfp_filters \
3288 && idx >= AvFILLp(PL_parser->rsfp_filters))
3289#define PERL_FILTER_EXISTS(i) \
3290 (PL_parser && PL_parser->rsfp_filters \
3291 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3292
c5078cac
JH		 3293#if defined(_AIX) && !defined(_AIX43)
3294#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3295/* We cannot include <crypt.h> to get the struct crypt_data
3296 * because of setkey prototype problems when threading */
3297typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3298 /* From OSF, Not needed in AIX
3299 char C[28], D[28];
3300 */
3301 char E[48];
3302 char KS[16][48];
3303 char block[66];
3304 char iobuf[16];
3305} CRYPTD;
3306#endif /* threading */
3307#endif /* AIX */
3308
af8b425d 3309#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 3310# include "iperlsys.h"
3311#endif
504f80c1 3312
9c12f1e5
RGS		 3313#ifdef __LIBCATAMOUNT__
3314#undef HAS_PASSWD /* unixish.h but not unixish enough. */
3315#undef HAS_GROUP
3316#define FAKE_BIT_BUCKET
3317#endif
3318
d10dc2ae
JH		 3319/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3320 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3321 * defined by Configure, despite their names being similar to the
3322 * other defines like USE_ITHREADS. Configure in fact knows nothing
3323 * about the randomised hashes. Therefore to enable/disable the hash
3324 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3325#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3326# define USE_HASH_SEED
504f80c1
JH		 3327#endif
3328
598921a7
NC		 3329/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3330 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3331 * it's not really needed.
3332 */
3333#if defined(WIN32)
3334# define YYTOKENTYPE
3335#endif
3336#include "perly.h"
3337
3338#ifdef PERL_MAD
3339struct nexttoken {
3340 YYSTYPE next_val; /* value of next token, if any */
3341 I32 next_type; /* type of next token */
3342 MADPROP *next_mad; /* everything else about that token */
3343};
3344#endif
3345
654eccd5
JD		 3346/* macros to define bit-fields in structs. */
3347#ifndef PERL_BITFIELD8
3348# define PERL_BITFIELD8 unsigned
3349#endif
3350#ifndef PERL_BITFIELD16
3351# define PERL_BITFIELD16 unsigned
3352#endif
3353#ifndef PERL_BITFIELD32
3354# define PERL_BITFIELD32 unsigned
3355#endif
3356
79072805 3357#include "sv.h"
288b8c02 3358#include "regexp.h"
378cc40b 3359#include "util.h"
8d063cd8 3360#include "form.h"
79072805 3361#include "gv.h"
dd2155a4 3362#include "pad.h"
79072805 3363#include "cv.h"
abdd5c84 3364#include "opnames.h"
79072805 3365#include "op.h"
b3ca2e83 3366#include "hv.h"
79072805
LW		 3367#include "cop.h"
3368#include "av.h"
79072805
LW		 3369#include "mg.h"
3370#include "scope.h"
4438c4b7 3371#include "warnings.h"
a0ed51b3 3372#include "utf8.h"
8d063cd8 3373
20f4945e
MHM		 3374/* defined in sv.c, but also used in [ach]v.c */
3375#undef _XPV_ALLOCATED_HEAD
3376#undef _XPV_HEAD
3377#undef _XPVMG_HEAD
3378#undef _XPVCV_COMMON
7fae4e64
GS		 3379
3380typedef struct _sublex_info SUBLEXINFO;
3381struct _sublex_info {
651b5b28
NC		 3382 U8 super_state; /* lexer state to save */
3383 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3384 OP *sub_op; /* "lex_op" to use */
f06b5848
DM		 3385 char *super_bufptr; /* PL_parser->bufptr that was */
3386 char *super_bufend; /* PL_parser->bufend that was */
7fae4e64
GS		 3387};
3388
199e78b7
DM		 3389#include "parser.h"
3390
455ece5e 3391typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3392
2c2d71f5 3393struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3394struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3395
6f51351d
NC		 3396/* Keep next first in this structure, because sv_free_arenas take
3397 advantage of this to share code between the pte arenas and the SV
3398 body arenas */
5f7fde29
GS		 3399struct ptr_tbl_ent {
3400 struct ptr_tbl_ent* next;
53c1dcc0 3401 const void* oldval;
5f7fde29 3402 void* newval;
d18c6117
GS		 3403};
3404
5f7fde29
GS		 3405struct ptr_tbl {
3406 struct ptr_tbl_ent** tbl_ary;
3407 UV tbl_max;
3408 UV tbl_items;
d18c6117
GS		 3409};
3410
450a55e4 3411#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3412# define I286
3413#endif
3414
fe14fcc3
LW		 3415#if defined(htonl) && !defined(HAS_HTONL)
3416#define HAS_HTONL
ae986130 3417#endif
fe14fcc3
LW		 3418#if defined(htons) && !defined(HAS_HTONS)
3419#define HAS_HTONS
ae986130 3420#endif
fe14fcc3
LW		 3421#if defined(ntohl) && !defined(HAS_NTOHL)
3422#define HAS_NTOHL
ae986130 3423#endif
fe14fcc3
LW		 3424#if defined(ntohs) && !defined(HAS_NTOHS)
3425#define HAS_NTOHS
ae986130 3426#endif
fe14fcc3 3427#ifndef HAS_HTONL
d9d8d8de 3428#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3429#define HAS_HTONS
3430#define HAS_HTONL
3431#define HAS_NTOHS
3432#define HAS_NTOHL
a687059c
LW		 3433#define MYSWAP
3434#define htons my_swap
3435#define htonl my_htonl
3436#define ntohs my_swap
3437#define ntohl my_ntohl
3438#endif
3439#else
d9d8d8de 3440#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3441#undef HAS_HTONS
3442#undef HAS_HTONL
3443#undef HAS_NTOHS
3444#undef HAS_NTOHL
a687059c
LW		 3445#endif
3446#endif
3447
988174c1
LW		 3448/*
3449 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3450 * -DWS
3451 */
3452#if BYTEORDER != 0x1234
3453# define HAS_VTOHL
3454# define HAS_VTOHS
3455# define HAS_HTOVL
3456# define HAS_HTOVS
c67712b2 3457# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3458# define vtohl(x) ((((x)&0xFF)<<24) \
3459 +(((x)>>24)&0xFF) \
3460 +(((x)&0x0000FF00)<<8) \
3461 +(((x)&0x00FF0000)>>8) )
3462# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3463# define htovl(x) vtohl(x)
3464# define htovs(x) vtohs(x)
3465# endif
3466 /* otherwise default to functions in util.c */
2a8c3029 3467#ifndef htovs
c623ac67
GS		 3468short htovs(short n);
3469short vtohs(short n);
3470long htovl(long n);
3471long vtohl(long n);
988174c1 3472#endif
2a8c3029 3473#endif
988174c1 3474
3bb7c1b4
JH		 3475/* *MAX Plus 1. A floating point value.
3476 Hopefully expressed in a way that dodgy floating point can't mess up.
3477 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3478 is added to it
3479 May find that some broken compiler will want the value cast to I32.
3480 [after the shift, as signed >> may not be as secure as unsigned >>]
3481*/
3482#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3483#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3484/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3485 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3486 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3487*/
3488#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3489
3bb7c1b4
JH		 3490#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3491#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3492#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3493
3494/* This may look like unnecessary jumping through hoops, but converting
3495 out of range floating point values to integers *is* undefined behaviour,
3496 and it is starting to bite.
3497*/
3498#ifndef CAST_INLINE
65202027 3499#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3500#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3501#define I_V(what) (cast_iv((NV)(what)))
3502#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3503#else
3504#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3505 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3506 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3507#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3508 : ((n) < U32_MAX_P1 ? (U32) (n) \
3509 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3510#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3511 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3512 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3513#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3514 : ((n) < UV_MAX_P1 ? (UV) (n) \
3515 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3516#endif
3517
3518#define U_S(what) ((U16)U_32(what))
3519#define U_I(what) ((unsigned int)U_32(what))
3520#define U_L(what) U_32(what)
ed6116ce 3521
ed140128
AD		 3522#ifdef HAS_SIGNBIT
3523# define Perl_signbit signbit
3524#endif
3525
2d4389e4
JH		 3526/* These do not care about the fractional part, only about the range. */
3527#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3528#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3529
25da4f38
IZ		 3530/* Used with UV/IV arguments: */
3531 /* XXXX: need to speed it up */
3532#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3533#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3534
352d5a3a
LW		 3535#ifndef MAXSYSFD
3536# define MAXSYSFD 2
3537#endif
ee0007ab 3538
79072805 3539#ifndef __cplusplus
27da23d5 3540#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3541Uid_t getuid (void);
3542Uid_t geteuid (void);
3543Gid_t getgid (void);
3544Gid_t getegid (void);
79072805 3545#endif
e1caacb4 3546#endif
8d063cd8 3547
0c30d9ec 3548#ifndef Perl_debug_log
bf49b057
GS		 3549# define Perl_debug_log PerlIO_stderr()
3550#endif
3551
3552#ifndef Perl_error_log
3553# define Perl_error_log (PL_stderrgv \
6b78add2 3554 && isGV(PL_stderrgv) \
01bb7c6d 3555 && GvIOp(PL_stderrgv) \
42de951c 3556 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3557 ? IoOFP(GvIOp(PL_stderrgv)) \
3558 : PerlIO_stderr())
0c30d9ec 3559#endif
3967c732 3560
aea4f609
DM		 3561
3562#define DEBUG_p_FLAG 0x00000001 /* 1 */
3563#define DEBUG_s_FLAG 0x00000002 /* 2 */
3564#define DEBUG_l_FLAG 0x00000004 /* 4 */
3565#define DEBUG_t_FLAG 0x00000008 /* 8 */
3566#define DEBUG_o_FLAG 0x00000010 /* 16 */
3567#define DEBUG_c_FLAG 0x00000020 /* 32 */
3568#define DEBUG_P_FLAG 0x00000040 /* 64 */
3569#define DEBUG_m_FLAG 0x00000080 /* 128 */
3570#define DEBUG_f_FLAG 0x00000100 /* 256 */
3571#define DEBUG_r_FLAG 0x00000200 /* 512 */
3572#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3573#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3574/* U is reserved for Unofficial, exploratory hacking */
3575#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3576#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3577#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3578#define DEBUG_D_FLAG 0x00008000 /* 32768 */
d2c25739 3579/* 0x00010000 is unused, used to be S */
aea4f609 3580#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3581#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3582#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3583#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3584#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3585#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3586#define DEBUG_q_FLAG 0x00800000 /*8388608 */
d2c25739 3587#define DEBUG_MASK 0x00FEEFFF /* mask of all the standard flags */
aea4f609
DM		 3588
3589#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3590#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3591 that something was done? */
aea4f609 3592
bd16a5f0
IZ		 3593# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3594# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3595# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3596# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3597# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3598# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3599# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3600# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3601# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3602# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3603# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3604# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3605# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3606# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3607# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3608# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
bd16a5f0
IZ		 3609# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3610# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3611# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3612# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3613# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3614# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3615# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3616# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3617# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3618
3967c732 3619#ifdef DEBUGGING
aea4f609 3620
bd16a5f0
IZ		 3621# define DEBUG_p_TEST DEBUG_p_TEST_
3622# define DEBUG_s_TEST DEBUG_s_TEST_
3623# define DEBUG_l_TEST DEBUG_l_TEST_
3624# define DEBUG_t_TEST DEBUG_t_TEST_
3625# define DEBUG_o_TEST DEBUG_o_TEST_
3626# define DEBUG_c_TEST DEBUG_c_TEST_
3627# define DEBUG_P_TEST DEBUG_P_TEST_
3628# define DEBUG_m_TEST DEBUG_m_TEST_
3629# define DEBUG_f_TEST DEBUG_f_TEST_
3630# define DEBUG_r_TEST DEBUG_r_TEST_
3631# define DEBUG_x_TEST DEBUG_x_TEST_
3632# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3633# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3634# define DEBUG_H_TEST DEBUG_H_TEST_
3635# define DEBUG_X_TEST DEBUG_X_TEST_
3636# define DEBUG_D_TEST DEBUG_D_TEST_
bd16a5f0
IZ		 3637# define DEBUG_T_TEST DEBUG_T_TEST_
3638# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3639# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3640# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3641# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3642# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3643# define DEBUG_q_TEST DEBUG_q_TEST_
7949c6f5
JC		 3644# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3645# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
aea4f609 3646
488b0c7a
JH		 3647# define PERL_DEB(a) a
3648# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3649# define DEBUG_p(a) if (DEBUG_p_TEST) a
3650# define DEBUG_s(a) if (DEBUG_s_TEST) a
3651# define DEBUG_l(a) if (DEBUG_l_TEST) a
3652# define DEBUG_t(a) if (DEBUG_t_TEST) a
3653# define DEBUG_o(a) if (DEBUG_o_TEST) a
3654# define DEBUG_c(a) if (DEBUG_c_TEST) a
3655# define DEBUG_P(a) if (DEBUG_P_TEST) a
3656
969058bb
VK		 3657 /* Temporarily turn off memory debugging in case the a
3658 * does memory allocation, either directly or indirectly. */
acfe0abc 3659# define DEBUG_m(a) \
0b250b9e 3660 STMT_START { \
aea4f609 3661 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3662 } STMT_END
aea4f609 3663
5f80b19c
AMS		 3664# define DEBUG__(t, a) \
3665 STMT_START { \
3666 if (t) STMT_START {a;} STMT_END; \
3667 } STMT_END
3668
3669# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3670#ifndef PERL_EXT_RE_BUILD
5f80b19c 3671# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3672#else
3673# define DEBUG_r(a) STMT_START {a;} STMT_END
3674#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3675# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3676# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3677# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3678# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3679# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3680# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3681# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3682# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
aea4f609 3683
5f80b19c
AMS		 3684# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3685# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3686# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3687# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3688# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3689# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 3690
3691#else /* DEBUGGING */
3692
3693# define DEBUG_p_TEST (0)
3694# define DEBUG_s_TEST (0)
3695# define DEBUG_l_TEST (0)
3696# define DEBUG_t_TEST (0)
3697# define DEBUG_o_TEST (0)
3698# define DEBUG_c_TEST (0)
3699# define DEBUG_P_TEST (0)
3700# define DEBUG_m_TEST (0)
3701# define DEBUG_f_TEST (0)
3702# define DEBUG_r_TEST (0)
3703# define DEBUG_x_TEST (0)
3704# define DEBUG_u_TEST (0)
88d2d28a 3705# define DEBUG_U_TEST (0)
aea4f609
DM		 3706# define DEBUG_H_TEST (0)
3707# define DEBUG_X_TEST (0)
3708# define DEBUG_D_TEST (0)
aea4f609 3709# define DEBUG_T_TEST (0)
04932ac8 3710# define DEBUG_R_TEST (0)
1045810a 3711# define DEBUG_J_TEST (0)
d6721266 3712# define DEBUG_v_TEST (0)
46187eeb 3713# define DEBUG_C_TEST (0)
ecae49c0
NC		 3714# define DEBUG_A_TEST (0)
3715# define DEBUG_q_TEST (0)
7949c6f5
JC		 3716# define DEBUG_Xv_TEST (0)
3717# define DEBUG_Uv_TEST (0)
aea4f609 3718
488b0c7a
JH		 3719# define PERL_DEB(a)
3720# define PERL_DEBUG(a)
aea4f609
DM		 3721# define DEBUG_p(a)
3722# define DEBUG_s(a)
3723# define DEBUG_l(a)
3724# define DEBUG_t(a)
3725# define DEBUG_o(a)
3726# define DEBUG_c(a)
3727# define DEBUG_P(a)
3728# define DEBUG_m(a)
3729# define DEBUG_f(a)
3730# define DEBUG_r(a)
3731# define DEBUG_x(a)
3732# define DEBUG_u(a)
88d2d28a 3733# define DEBUG_U(a)
aea4f609
DM		 3734# define DEBUG_H(a)
3735# define DEBUG_X(a)
3736# define DEBUG_D(a)
aea4f609 3737# define DEBUG_T(a)
04932ac8 3738# define DEBUG_R(a)
d6721266 3739# define DEBUG_v(a)
46187eeb 3740# define DEBUG_C(a)
ecae49c0
NC		 3741# define DEBUG_A(a)
3742# define DEBUG_q(a)
7949c6f5
JC		 3743# define DEBUG_Xv(a)
3744# define DEBUG_Uv(a)
aea4f609
DM		 3745#endif /* DEBUGGING */
3746
3747
b4ab917c
DM		 3748#define DEBUG_SCOPE(where) \
3749 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3750 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM		 3751
3752
3753
3754
d1be9408 3755/* These constants should be used in preference to raw characters
14befaf4
DM		 3756 * when using magic. Note that some perl guts still assume
3757 * certain character properties of these constants, namely that
3758 * isUPPER() and toLOWER() may do useful mappings.
3759 *
3760 * Update the magic_names table in dump.c when adding/amending these
3761 */
3762
3763#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3764#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3765#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3766#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3767#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3768#define PERL_MAGIC_regdata 'D' /* Regex match position data
3769 (@+ and @- vars) */
3770#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3771#define PERL_MAGIC_env 'E' /* %ENV hash */
3772#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3773#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3774#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
b3ca2e83
NC		 3775#define PERL_MAGIC_hints 'H' /* %^H hash */
3776#define PERL_MAGIC_hintselem 'h' /* %^H hash element */
14befaf4
DM		 3777#define PERL_MAGIC_isa 'I' /* @ISA array */
3778#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3779#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3780#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3781#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3782#define PERL_MAGIC_shared 'N' /* Shared between threads */
3783#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3784#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3785#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3786#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3787#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3788#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3789#define PERL_MAGIC_sig 'S' /* %SIG hash */
3790#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3791#define PERL_MAGIC_taint 't' /* Taintedness */
3792#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3793#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3794#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3795#define PERL_MAGIC_