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Fix #if/#else bug introduced with MACOS_TRADITIONAL patches in change 9479.
[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
2c2d71f5
JH		 44/* See L<perlguts/"The Perl API"> for detailed notes on
45 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
46
ac6bedea
JH		 47/* Note that from here --> to <-- the same logic is
48 * repeated in makedef.pl, so be certain to update
49 * both places when editing. */
50
894ccb8c
JH		 51#ifdef PERL_IMPLICIT_SYS
52/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
53 so use slab allocator to avoid lots of MUTEX overhead
54 */
55# ifndef PL_OP_SLAB_ALLOC
56# define PL_OP_SLAB_ALLOC
57# endif
ba979b31
NIS		 58#endif
59
6f4183fe 60#ifdef USE_ITHREADS
acfe0abc 61# if !defined(MULTIPLICITY)
6f4183fe
GS		 62# define MULTIPLICITY
63# endif
64#endif
65
27da23d5
JH		 66#ifdef PERL_GLOBAL_STRUCT_PRIVATE
67# ifndef PERL_GLOBAL_STRUCT
68# define PERL_GLOBAL_STRUCT
69# endif
70#endif
97aff369 71
27da23d5
JH		 72#ifdef PERL_GLOBAL_STRUCT
73# ifndef MULTIPLICITY
74# define MULTIPLICITY
75# endif
76#endif
77
97aff369
JH		 78#ifdef MULTIPLICITY
79# ifndef PERL_IMPLICIT_CONTEXT
80# define PERL_IMPLICIT_CONTEXT
81# endif
82#endif
83
026fd48b
GH		 84/* undef WIN32 when building on Cygwin (for libwin32) - gph */
85#ifdef __CYGWIN__
86# undef WIN32
87# undef _WIN32
88#endif
89
27da23d5
JH		 90#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
91# ifndef SYMBIAN
92# define SYMBIAN
93# endif
94#endif
95
a0fd4948 96#ifdef __SYMBIAN32__
27da23d5
JH		 97# include "symbian/symbian_proto.h"
98#endif
99
100/* Any stack-challenged places. The limit varies (and often
101 * is configurable), but using more than a kilobyte of stack
102 * is usually dubious in these systems. */
a0fd4948 103#if defined(EPOC) || defined(__SYMBIAN32__)
27da23d5
JH		 104/* EPOC/Symbian: need to work around the SDK features. *
105 * On WINS: MS VC5 generates calls to _chkstk, *
106 * if a "large" stack frame is allocated. *
107 * gcc on MARM does not generate calls like these. */
108# define USE_HEAP_INSTEAD_OF_STACK
109#endif
110
111#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 112/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 113#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 114# define USE_REENTRANT_API
115#endif
116
ac6bedea
JH		 117/* <--- here ends the logic shared by perl.h and makedef.pl */
118
af28e889 119/*
6239f2da
JH		 120 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
121 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 122 * __bsdi__ for BSD/OS
123 */
6239f2da 124#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 125# ifndef BSDish
126# define BSDish
127# endif
128#endif
129
cf5a8da6
MHM		 130#undef START_EXTERN_C
131#undef END_EXTERN_C
132#undef EXTERN_C
133#ifdef __cplusplus
134# define START_EXTERN_C extern "C" {
135# define END_EXTERN_C }
136# define EXTERN_C extern "C"
137#else
138# define START_EXTERN_C
139# define END_EXTERN_C
140# define EXTERN_C extern
141#endif
142
27da23d5
JH		 143#ifdef PERL_GLOBAL_STRUCT
144# ifndef PERL_GET_VARS
145# ifdef PERL_GLOBAL_STRUCT_PRIVATE
cf5a8da6 146 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
27da23d5
JH		 147# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
148# ifndef PERLIO_FUNCS_CONST
149# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
150# endif
151# else
152# define PERL_GET_VARS() PL_VarsPtr
153# endif
154# endif
155#endif
156
7a89be66 157#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH		 158
159#ifdef PERL_GLOBAL_STRUCT
160# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
161#else
162# define dVAR dNOOP
163#endif
164
c5be433b 165#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 166# ifndef MULTIPLICITY
167# define MULTIPLICITY
c5be433b 168# endif
e8dda941 169# define tTHX PerlInterpreter*
5ba4cab2 170# define pTHX register tTHX my_perl PERL_UNUSED_DECL
3db8f154 171# define aTHX my_perl
27da23d5 172# ifdef PERL_GLOBAL_STRUCT
e8dda941 173# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 174# else
e8dda941 175# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH		 176# endif
177# ifdef PERL_GLOBAL_STRUCT
178# define dTHX dVAR; pTHX = PERL_GET_THX
179# else
180# define dTHX pTHX = PERL_GET_THX
181# endif
c5be433b 182# define pTHX_ pTHX,
c5be433b 183# define aTHX_ aTHX,
4373e329 184# define pTHX_1 2
894356b3
GS		 185# define pTHX_2 3
186# define pTHX_3 4
187# define pTHX_4 5
4373e329
AL		 188# define pTHX_5 6
189# define pTHX_6 7
a3b680e6
AL		 190# define pTHX_7 8
191# define pTHX_8 9
192# define pTHX_9 10
e8dda941
JD		 193# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
194# define PERL_TRACK_MEMPOOL
195# endif
196#else
197# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 198#endif
199
76e3520e
GS		 200#define STATIC static
201#define CPERLscope(x) x
565764a8 202#define CPERLarg void
76e3520e 203#define CPERLarg_
e3b8966e 204#define _CPERLarg
1d583055
GS		 205#define PERL_OBJECT_THIS
206#define _PERL_OBJECT_THIS
207#define PERL_OBJECT_THIS_
312caa8e 208#define CALL_FPTR(fptr) (*fptr)
76e3520e 209
312caa8e 210#define CALLRUNOPS CALL_FPTR(PL_runops)
f9f4320a 211
3ab4a224 212#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 213
3ab4a224
AB		 214#define CALLREGCOMP_ENG(prog, sv, flags) \
215 CALL_FPTR(((prog)->comp))(aTHX_ sv, flags)
f9f4320a 216#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
07bc277f 217 CALL_FPTR(RX_ENGINE(prog)->exec)(aTHX_ (prog),(stringarg),(strend), \
f9f4320a
YO		 218 (strbeg),(minend),(screamer),(data),(flags))
219#define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \
07bc277f 220 CALL_FPTR(RX_ENGINE(prog)->intuit)(aTHX_ (prog), (sv), (strpos), \
f9f4320a
YO		 221 (strend),(flags),(data))
222#define CALLREG_INTUIT_STRING(prog) \
07bc277f 223 CALL_FPTR(RX_ENGINE(prog)->checkstr)(aTHX_ (prog))
f8149455 224
f8149455
YO		 225#define CALLREGFREE(prog) \
226 Perl_pregfree(aTHX_ (prog))
227
228#define CALLREGFREE_PVT(prog) \
07bc277f 229 if(prog) CALL_FPTR(RX_ENGINE(prog)->free)(aTHX_ (prog))
f8149455 230
2fdbfb4d 231#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
07bc277f 232 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_FETCH)(aTHX_ (rx),(paren),(usesv))
93b32b6d 233
2fdbfb4d 234#define CALLREG_NUMBUF_STORE(rx,paren,value) \
07bc277f 235 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_STORE)(aTHX_ (rx),(paren),(value))
2fdbfb4d
AB		 236
237#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
07bc277f 238 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_LENGTH)(aTHX_ (rx),(sv),(paren))
2fdbfb4d 239
192b9cd1 240#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
07bc277f 241 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
192b9cd1
AB		 242
243#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
07bc277f 244 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
192b9cd1
AB		 245
246#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
07bc277f 247 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB		 248
249#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
07bc277f 250 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB		 251
252#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
07bc277f 253 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB		 254
255#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
07bc277f 256 CALL_FPTR(RX_ENGINE(rx)->named_buff_iter)(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB		 257
258#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
07bc277f 259 CALL_FPTR(RX_ENGINE(rx)->named_buff_iter)(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB		 260
261#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
07bc277f 262 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
AB		 263
264#define CALLREG_NAMED_BUFF_COUNT(rx) \
07bc277f 265 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
192b9cd1
AB		 266
267#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
07bc277f 268 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 269
49d7dfbc 270#define CALLREG_PACKAGE(rx) \
07bc277f 271 CALL_FPTR(RX_ENGINE(rx)->qr_package)(aTHX_ (rx))
93b32b6d 272
f9f4320a
YO		 273#if defined(USE_ITHREADS)
274#define CALLREGDUPE(prog,param) \
f8149455
YO		 275 Perl_re_dup(aTHX_ (prog),(param))
276
277#define CALLREGDUPE_PVT(prog,param) \
07bc277f 278 (prog ? CALL_FPTR(RX_ENGINE(prog)->dupe)(aTHX_ (prog),(param)) \
f9f4320a
YO		 279 : (REGEXP *)NULL)
280#endif
14dd3ad8 281
a20207d7 282
bcdf7404 283
a20207d7
YO		 284
285
5ba4cab2
SH		 286/*
287 * Because of backward compatibility reasons the PERL_UNUSED_DECL
288 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
289 *
290 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 291 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 292 * marking unused variables (they need e.g. a #pragma) and therefore
293 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
294 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
295 *
296 */
1266ad8c 297
9969cdde 298#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 299# ifdef __cplusplus
5ba4cab2 300# define PERL_UNUSED_DECL
5b2bd0a5 301# else
5ba4cab2 302# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 303# endif
304#endif
44dbb695 305
5b2bd0a5 306#ifndef PERL_UNUSED_DECL
34659ad4 307# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 308# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 309# else
5ba4cab2 310# define PERL_UNUSED_DECL
b79c357a 311# endif
5b2bd0a5
AMS		 312#endif
313
349b520e
DM		 314/* gcc -Wall:
315 * for silencing unused variables that are actually used most of the time,
a0288114 316 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 317 */
53c1dcc0 318#ifndef PERL_UNUSED_ARG
c99ffe5e 319# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 320# include <note.h>
53c1dcc0 321# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 322# else
53c1dcc0 323# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 324# endif
325#endif
53c1dcc0
AL		 326#ifndef PERL_UNUSED_VAR
327# define PERL_UNUSED_VAR(x) ((void)x)
328#endif
ad73156c 329
96a5add6
AL		 330#ifdef USE_ITHREADS
331# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
332#else
333# define PERL_UNUSED_CONTEXT
334#endif
335
6f207bd3 336#define NOOP /*EMPTY*/(void)0
6b484a99
JH		 337#if !defined(HASATTRIBUTE_UNUSED) && defined(__cplusplus)
338#define dNOOP /*EMPTY*/(void)0 /* Older g++ has no __attribute((unused))__ */
339#else
6f207bd3 340#define dNOOP extern int /*@unused@*/ Perl___notused PERL_UNUSED_DECL
6b484a99 341#endif
71be2cbc 342
0cb96387 343#ifndef pTHX
e8dda941
JD		 344/* Don't bother defining tTHX and sTHX; using them outside
345 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
346 */
0cb96387
GS		 347# define pTHX void
348# define pTHX_
0cb96387
GS		 349# define aTHX
350# define aTHX_
0cb96387
GS		 351# define dTHXa(a) dNOOP
352# define dTHX dNOOP
894356b3
GS		 353# define pTHX_1 1
354# define pTHX_2 2
355# define pTHX_3 3
356# define pTHX_4 4
3d42dc86
RGS		 357# define pTHX_5 5
358# define pTHX_6 6
a3b680e6
AL		 359# define pTHX_7 7
360# define pTHX_8 8
361# define pTHX_9 9
0cb96387
GS		 362#endif
363
27da23d5
JH		 364#ifndef dVAR
365# define dVAR dNOOP
366#endif
367
b4f7f263
GS		 368/* these are only defined for compatibility; should not be used internally */
369#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 370# define pTHXo pTHX
371# define pTHXo_ pTHX_
0cb96387
GS		 372# define aTHXo aTHX
373# define aTHXo_ aTHX_
c5be433b 374# define dTHXo dTHX
71d280e3 375# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 376#endif
377
378#ifndef pTHXx
379# define pTHXx register PerlInterpreter *my_perl
380# define pTHXx_ pTHXx,
0cb96387
GS		 381# define aTHXx my_perl
382# define aTHXx_ aTHXx,
c5be433b 383# define dTHXx dTHX
22c35a8c 384#endif
71be2cbc 385
1de7c2ac
GS		 386/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
387 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
388 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
389#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 390# ifdef PERL_GLOBAL_STRUCT_PRIVATE
391# define dTHXs dVAR; dTHX
392# else
393# define dTHXs dTHX
394# endif
1de7c2ac 395#else
27da23d5
JH		 396# ifdef PERL_GLOBAL_STRUCT_PRIVATE
397# define dTHXs dVAR
398# else
399# define dTHXs dNOOP
400# endif
1de7c2ac
GS		 401#endif
402
27da23d5
JH		 403/* Some platforms require marking function declarations
404 * for them to be exportable. Used in perlio.h, proto.h
405 * is handled either by the makedef.pl or by defining the
406 * PERL_CALLCONV to be something special. See also the
407 * definition of XS() in XSUB.h. */
408#ifndef PERL_EXPORT_C
a0c21aa1
JH		 409# ifdef __cplusplus
410# define PERL_EXPORT_C extern "C"
411# else
412# define PERL_EXPORT_C extern
413# endif
27da23d5
JH		 414#endif
415#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 416# ifdef __cplusplus
417# define PERL_XS_EXPORT_C extern "C"
418# else
419# define PERL_XS_EXPORT_C
420# endif
27da23d5
JH		 421#endif
422
462e5cf6
MB		 423#ifdef OP_IN_REGISTER
424# ifdef __GNUC__
425# define stringify_immed(s) #s
426# define stringify(s) stringify_immed(s)
d1ca3daa 427register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 428# endif
429#endif
430
e5afc1ae 431/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 432 * g++ allows them but seems to have problems with them
70aab261
RB		 433 * (insane errors ensue).
434 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
435 */
436#if defined(PERL_GCC_PEDANTIC) || \
437 (defined(__GNUC__) && defined(__cplusplus) && \
438 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 439# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 440# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
441# endif
5dc8bdac
JH		 442#endif
443
5b692037
JH		 444#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
445# ifndef PERL_USE_GCC_BRACE_GROUPS
446# define PERL_USE_GCC_BRACE_GROUPS
447# endif
448#endif
449
728e2803 450/*
451 * STMT_START { statements; } STMT_END;
452 * can be used as a single statement, as in
453 * if (x) STMT_START { ... } STMT_END; else ...
454 *
455 * Trying to select a version that gives no warnings...
456 */
457#if !(defined(STMT_START) && defined(STMT_END))
5b692037 458# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 459# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 460# define STMT_END )
461# else
462 /* Now which other defined()s do we need here ??? */
93189314 463# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 464# define STMT_START if (1)
465# define STMT_END else (void)0
466# else
467# define STMT_START do
468# define STMT_END while (0)
469# endif
470# endif
471#endif
472
0cb96387 473#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 474#define WITH_THR(s) WITH_THX(s)
ea0efc06 475
d6f9c181
JH		 476#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
477# define BYTEORDER 0x1234
79072805
LW		 478#endif
479
480/* Overall memory policy? */
481#ifndef CONSERVATIVE
482# define LIBERAL 1
483#endif
484
8ada0baa
JH		 485#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
486#define ASCIIish
487#else
488#undef ASCIIish
489#endif
490
79072805
LW		 491/*
492 * The following contortions are brought to you on behalf of all the
493 * standards, semi-standards, de facto standards, not-so-de-facto standards
494 * of the world, as well as all the other botches anyone ever thought of.
495 * The basic theory is that if we work hard enough here, the rest of the
496 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
497 */
ac58e20f 498
ee0007ab 499/* define this once if either system, instead of cluttering up the src */
2986a63f 500#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 501#define DOSISH 1
502#endif
503
fb38d079 504#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 505# define STANDARD_C 1
506#endif
507
9969cdde 508#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 509# define DONT_DECLARE_STD 1
510#endif
511
352d5a3a 512#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 513# define VOL volatile
663a0e37 514#else
79072805 515# define VOL
663a0e37
LW		 516#endif
517
3280af22
NIS		 518#define TAINT (PL_tainted = TRUE)
519#define TAINT_NOT (PL_tainted = FALSE)
520#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
521#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 522#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 523
d460ef45 524/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 525 defines move there? If so, I could simplify this a lot. --AD 9/96.
526*/
527/* Process group stuff changed from traditional BSD to POSIX.
528 perlfunc.pod documents the traditional BSD-style syntax, so we'll
529 try to preserve that, if possible.
530*/
531#ifdef HAS_SETPGID
532# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 533#else
a6e633de 534# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
535# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
536# else
537# ifdef HAS_SETPGRP2 /* DG/UX */
538# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
539# endif
540# endif
541#endif
542#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
543# define HAS_SETPGRP /* Well, effectively it does . . . */
544#endif
545
546/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
547 our life easier :-) so we'll try it.
548*/
549#ifdef HAS_GETPGID
550# define BSD_GETPGRP(pid) getpgid((pid))
551#else
552# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
553# define BSD_GETPGRP(pid) getpgrp((pid))
554# else
555# ifdef HAS_GETPGRP2 /* DG/UX */
556# define BSD_GETPGRP(pid) getpgrp2((pid))
557# endif
558# endif
559#endif
560#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
561# define HAS_GETPGRP /* Well, effectively it does . . . */
562#endif
563
d460ef45 564/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 565 have different behaviors, but perl.h used to define USE_BSDPGRP
566 (prior to 5.003_05) so some extension might depend on it.
567*/
568#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
569# ifndef USE_BSDPGRP
570# define USE_BSDPGRP
571# endif
663a0e37
LW		 572#endif
573
8ac5a1fe
MH		 574/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
575 pthread.h must be included before all other header files.
576*/
3db8f154 577#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 578# include <pthread.h>
579#endif
580
760ac839
LW		 581#ifndef _TYPES_ /* If types.h defines this it's easy. */
582# ifndef major /* Does everyone's types.h define this? */
583# include <sys/types.h>
c07a80fd 584# endif
663a0e37
LW		 585#endif
586
760ac839
LW		 587#ifdef __cplusplus
588# ifndef I_STDARG
589# define I_STDARG 1
590# endif
591#endif
592
593#ifdef I_STDARG
594# include <stdarg.h>
595#else
596# ifdef I_VARARGS
597# include <varargs.h>
598# endif
599#endif
600
4633a7c4 601#ifdef USE_NEXT_CTYPE
0c30d9ec 602
092bebab
JH		 603#if NX_CURRENT_COMPILER_RELEASE >= 500
604# include <bsd/ctypes.h>
605#else
606# if NX_CURRENT_COMPILER_RELEASE >= 400
607# include <objc/NXCType.h>
608# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
609# include <appkit/NXCType.h>
610# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
611#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 612
613#else /* !USE_NEXT_CTYPE */
fe14fcc3 614#include <ctype.h>
0c30d9ec 615#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 616
617#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
618#undef METHOD
a0d0e21e
LW		 619#endif
620
12ae5dfc
JH		 621#ifdef PERL_MICRO
622# define NO_LOCALE
623#endif
624
4633a7c4 625#ifdef I_LOCALE
36477c24 626# include <locale.h>
4633a7c4
LW		 627#endif
628
36477c24 629#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
630# define USE_LOCALE
631# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
632 && defined(HAS_STRXFRM)
633# define USE_LOCALE_COLLATE
634# endif
635# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
636# define USE_LOCALE_CTYPE
637# endif
638# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
639# define USE_LOCALE_NUMERIC
640# endif
641#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 642
fe14fcc3 643#include <setjmp.h>
79072805 644
a0d0e21e 645#ifdef I_SYS_PARAM
79072805
LW		 646# ifdef PARAM_NEEDS_TYPES
647# include <sys/types.h>
648# endif
649# include <sys/param.h>
352d5a3a 650#endif
79072805 651
79072805 652/* Use all the "standard" definitions? */
a0d0e21e 653#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 654# include <stdlib.h>
ff68c719 655#endif
03a14243 656
3f270f98
JH		 657/* If this causes problems, set i_unistd=undef in the hint file. */
658#ifdef I_UNISTD
659# include <unistd.h>
660#endif
661
de8ca8af
NT		 662/* for WCOREDUMP */
663#ifdef I_SYS_WAIT
664# include <sys/wait.h>
665#endif
666
9969cdde 667#ifdef __SYMBIAN32__
27da23d5
JH		 668# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
669#endif
670
7114a2d2 671#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 672EXTERN_C int syscall(int, ...);
2ef53570
JH		 673#endif
674
7114a2d2 675#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 676EXTERN_C int usleep(unsigned int);
2ef53570
JH		 677#endif
678
9c12f1e5
RGS		 679/* Funky places that do not have socket stuff. */
680#if defined(__LIBCATAMOUNT__)
681# define MYSWAP
682#endif
683
9a34ef1d
GS		 684#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
685# define MYSWAP
686#endif
687
1109a392
MHM		 688#ifdef PERL_CORE
689
690/* macros for correct constant construction */
691# if INTSIZE >= 2
692# define U16_CONST(x) ((U16)x##U)
693# else
694# define U16_CONST(x) ((U16)x##UL)
695# endif
696
697# if INTSIZE >= 4
698# define U32_CONST(x) ((U32)x##U)
699# else
700# define U32_CONST(x) ((U32)x##UL)
701# endif
702
703# ifdef HAS_QUAD
704# if INTSIZE >= 8
705# define U64_CONST(x) ((U64)x##U)
706# elif LONGSIZE >= 8
707# define U64_CONST(x) ((U64)x##UL)
708# elif QUADKIND == QUAD_IS_LONG_LONG
709# define U64_CONST(x) ((U64)x##ULL)
710# else /* best guess we can make */
711# define U64_CONST(x) ((U64)x##UL)
712# endif
713# endif
714
715/* byte-swapping functions for big-/little-endian conversion */
716# define _swab_16_(x) ((U16)( \
717 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
718 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
719
720# define _swab_32_(x) ((U32)( \
721 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
722 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
723 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
724 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
725
726# ifdef HAS_QUAD
727# define _swab_64_(x) ((U64)( \
728 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
729 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
730 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
731 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
732 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
733 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
734 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
735 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
736# endif
737
738/*----------------------------------------------------------------------------*/
739# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
740/*----------------------------------------------------------------------------*/
741# define my_htole16(x) (x)
742# define my_letoh16(x) (x)
743# define my_htole32(x) (x)
744# define my_letoh32(x) (x)
745# define my_htobe16(x) _swab_16_(x)
746# define my_betoh16(x) _swab_16_(x)
747# define my_htobe32(x) _swab_32_(x)
748# define my_betoh32(x) _swab_32_(x)
749# ifdef HAS_QUAD
750# define my_htole64(x) (x)
751# define my_letoh64(x) (x)
752# define my_htobe64(x) _swab_64_(x)
753# define my_betoh64(x) _swab_64_(x)
754# endif
755# define my_htoles(x) (x)
756# define my_letohs(x) (x)
757# define my_htolei(x) (x)
758# define my_letohi(x) (x)
759# define my_htolel(x) (x)
760# define my_letohl(x) (x)
761# if SHORTSIZE == 1
762# define my_htobes(x) (x)
763# define my_betohs(x) (x)
764# elif SHORTSIZE == 2
765# define my_htobes(x) _swab_16_(x)
766# define my_betohs(x) _swab_16_(x)
767# elif SHORTSIZE == 4
768# define my_htobes(x) _swab_32_(x)
769# define my_betohs(x) _swab_32_(x)
770# elif SHORTSIZE == 8
771# define my_htobes(x) _swab_64_(x)
772# define my_betohs(x) _swab_64_(x)
773# else
774# define PERL_NEED_MY_HTOBES
775# define PERL_NEED_MY_BETOHS
776# endif
777# if INTSIZE == 1
778# define my_htobei(x) (x)
779# define my_betohi(x) (x)
780# elif INTSIZE == 2
781# define my_htobei(x) _swab_16_(x)
782# define my_betohi(x) _swab_16_(x)
783# elif INTSIZE == 4
784# define my_htobei(x) _swab_32_(x)
785# define my_betohi(x) _swab_32_(x)
786# elif INTSIZE == 8
787# define my_htobei(x) _swab_64_(x)
788# define my_betohi(x) _swab_64_(x)
789# else
790# define PERL_NEED_MY_HTOBEI
791# define PERL_NEED_MY_BETOHI
792# endif
793# if LONGSIZE == 1
794# define my_htobel(x) (x)
795# define my_betohl(x) (x)
796# elif LONGSIZE == 2
797# define my_htobel(x) _swab_16_(x)
798# define my_betohl(x) _swab_16_(x)
799# elif LONGSIZE == 4
800# define my_htobel(x) _swab_32_(x)
801# define my_betohl(x) _swab_32_(x)
802# elif LONGSIZE == 8
803# define my_htobel(x) _swab_64_(x)
804# define my_betohl(x) _swab_64_(x)
805# else
806# define PERL_NEED_MY_HTOBEL
807# define PERL_NEED_MY_BETOHL
808# endif
809# define my_htolen(p,n) NOOP
810# define my_letohn(p,n) NOOP
811# define my_htoben(p,n) my_swabn(p,n)
812# define my_betohn(p,n) my_swabn(p,n)
813/*----------------------------------------------------------------------------*/
814# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
815/*----------------------------------------------------------------------------*/
816# define my_htobe16(x) (x)
817# define my_betoh16(x) (x)
818# define my_htobe32(x) (x)
819# define my_betoh32(x) (x)
820# define my_htole16(x) _swab_16_(x)
821# define my_letoh16(x) _swab_16_(x)
822# define my_htole32(x) _swab_32_(x)
823# define my_letoh32(x) _swab_32_(x)
824# ifdef HAS_QUAD
825# define my_htobe64(x) (x)
826# define my_betoh64(x) (x)
827# define my_htole64(x) _swab_64_(x)
828# define my_letoh64(x) _swab_64_(x)
829# endif
830# define my_htobes(x) (x)
831# define my_betohs(x) (x)
832# define my_htobei(x) (x)
833# define my_betohi(x) (x)
834# define my_htobel(x) (x)
835# define my_betohl(x) (x)
836# if SHORTSIZE == 1
837# define my_htoles(x) (x)
838# define my_letohs(x) (x)
839# elif SHORTSIZE == 2
840# define my_htoles(x) _swab_16_(x)
841# define my_letohs(x) _swab_16_(x)
842# elif SHORTSIZE == 4
843# define my_htoles(x) _swab_32_(x)
844# define my_letohs(x) _swab_32_(x)
845# elif SHORTSIZE == 8
846# define my_htoles(x) _swab_64_(x)
847# define my_letohs(x) _swab_64_(x)
848# else
849# define PERL_NEED_MY_HTOLES
850# define PERL_NEED_MY_LETOHS
851# endif
852# if INTSIZE == 1
853# define my_htolei(x) (x)
854# define my_letohi(x) (x)
855# elif INTSIZE == 2
856# define my_htolei(x) _swab_16_(x)
857# define my_letohi(x) _swab_16_(x)
858# elif INTSIZE == 4
859# define my_htolei(x) _swab_32_(x)
860# define my_letohi(x) _swab_32_(x)
861# elif INTSIZE == 8
862# define my_htolei(x) _swab_64_(x)
863# define my_letohi(x) _swab_64_(x)
864# else
865# define PERL_NEED_MY_HTOLEI
866# define PERL_NEED_MY_LETOHI
867# endif
868# if LONGSIZE == 1
869# define my_htolel(x) (x)
870# define my_letohl(x) (x)
871# elif LONGSIZE == 2
872# define my_htolel(x) _swab_16_(x)
873# define my_letohl(x) _swab_16_(x)
874# elif LONGSIZE == 4
875# define my_htolel(x) _swab_32_(x)
876# define my_letohl(x) _swab_32_(x)
877# elif LONGSIZE == 8
878# define my_htolel(x) _swab_64_(x)
879# define my_letohl(x) _swab_64_(x)
880# else
881# define PERL_NEED_MY_HTOLEL
882# define PERL_NEED_MY_LETOHL
883# endif
884# define my_htolen(p,n) my_swabn(p,n)
885# define my_letohn(p,n) my_swabn(p,n)
886# define my_htoben(p,n) NOOP
887# define my_betohn(p,n) NOOP
888/*----------------------------------------------------------------------------*/
889# else /* all other byte-orders */
890/*----------------------------------------------------------------------------*/
891# define PERL_NEED_MY_HTOLE16
892# define PERL_NEED_MY_LETOH16
893# define PERL_NEED_MY_HTOBE16
894# define PERL_NEED_MY_BETOH16
895# define PERL_NEED_MY_HTOLE32
896# define PERL_NEED_MY_LETOH32
897# define PERL_NEED_MY_HTOBE32
898# define PERL_NEED_MY_BETOH32
899# ifdef HAS_QUAD
900# define PERL_NEED_MY_HTOLE64
901# define PERL_NEED_MY_LETOH64
902# define PERL_NEED_MY_HTOBE64
903# define PERL_NEED_MY_BETOH64
904# endif
905# define PERL_NEED_MY_HTOLES
906# define PERL_NEED_MY_LETOHS
907# define PERL_NEED_MY_HTOBES
908# define PERL_NEED_MY_BETOHS
909# define PERL_NEED_MY_HTOLEI
910# define PERL_NEED_MY_LETOHI
911# define PERL_NEED_MY_HTOBEI
912# define PERL_NEED_MY_BETOHI
913# define PERL_NEED_MY_HTOLEL
914# define PERL_NEED_MY_LETOHL
915# define PERL_NEED_MY_HTOBEL
916# define PERL_NEED_MY_BETOHL
917/*----------------------------------------------------------------------------*/
918# endif /* end of byte-order macros */
919/*----------------------------------------------------------------------------*/
920
9c17f24a
NC		 921/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
922 at least on FreeBSD. YMMV, so experiment. */
923#ifndef PERL_ARENA_SIZE
924#define PERL_ARENA_SIZE 4080
925#endif
926
ccb2c8b8 927/* Maximum level of recursion */
2b9dff67
RGS		 928#ifndef PERL_SUB_DEPTH_WARN
929#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 930#endif
931
1109a392
MHM		 932#endif /* PERL_CORE */
933
bdf3085f
NC		 934/* We no longer default to creating a new SV for GvSV.
935 Do this before embed. */
936#ifndef PERL_CREATE_GVSV
7459f06b
NC		 937# ifndef PERL_DONT_CREATE_GVSV
938# define PERL_DONT_CREATE_GVSV
939# endif
bdf3085f
NC		 940#endif
941
ca0c25f6
NC		 942#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
943#define PERL_USES_PL_PIDSTATUS
944#endif
945
a62746fa
RGS		 946#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__) && !defined(MACOS_TRADITIONAL)
947#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
948#endif
949
66a93824
NIS		 950/* Cannot include embed.h here on Win32 as win32.h has not
951 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
952 */
96e176bf 953#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 954# include "embed.h"
eb8433b7
NC		 955# ifndef PERL_MAD
956# undef op_getmad
b3f24c00 957# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 958# endif
cea2e8a9
GS		 959#endif
960
c31fac66
GS		 961#define MEM_SIZE Size_t
962
1936d2a7
NC		 963/* Round all values passed to malloc up, by default to a multiple of
964 sizeof(size_t)
965*/
966#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
967#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
968#endif
969
51371543
GS		 970#if defined(STANDARD_C) && defined(I_STDDEF)
971# include <stddef.h>
972# define STRUCT_OFFSET(s,m) offsetof(s,m)
973#else
974# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
975#endif
976
9969cdde 977#ifndef __SYMBIAN32__
27da23d5
JH		 978# if defined(I_STRING) || defined(__cplusplus)
979# include <string.h>
980# else
981# include <strings.h>
982# endif
51371543
GS		 983#endif
984
55497cff 985/* This comes after <stdlib.h> so we don't try to change the standard
986 * library prototypes; we'll use our own in proto.h instead. */
03a14243 987
4633a7c4 988#ifdef MYMALLOC
86058a2d 989# ifdef PERL_POLLUTE_MALLOC
ee13e175 990# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 991# define Perl_malloc malloc
992# define Perl_calloc calloc
993# define Perl_realloc realloc
994# define Perl_mfree free
ee13e175 995# endif
86058a2d
GS		 996# else
997# define EMBEDMYMALLOC /* for compatibility */
998# endif
827e134a 999
651b9576
GS		 1000# define safemalloc Perl_malloc
1001# define safecalloc Perl_calloc
1002# define saferealloc Perl_realloc
1003# define safefree Perl_mfree
22f7c9c9
JH		 1004# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1005 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1006 code; \
1007 } STMT_END
1008# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1009 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1010# define panic_write2(s) write(2, s, strlen(s))
1011# define CHECK_MALLOC_TAINT(newval) \
1012 CHECK_MALLOC_TOO_LATE_FOR_( \
1013 if (newval) { \
1014 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1015 exit(1); })
22f7c9c9 1016# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1017 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 1018 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1019 }} STMT_END;
f2517201
GS		 1020#else /* MYMALLOC */
1021# define safemalloc safesysmalloc
1022# define safecalloc safesyscalloc
1023# define saferealloc safesysrealloc
1024# define safefree safesysfree
22f7c9c9
JH		 1025# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1026# define CHECK_MALLOC_TAINT(newval) ((void)0)
1027# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1028#endif /* MYMALLOC */
4633a7c4 1029
27da23d5 1030#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		 1031#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1032#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1033#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1034
a0d0e21e
LW		 1035#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1036#define strchr index
1037#define strrchr rindex
1038#endif
1039
16d20bd9
AD		 1040#ifdef I_MEMORY
1041# include <memory.h>
1042#endif
1043
fe14fcc3 1044#ifdef HAS_MEMCPY
85e6fe83 1045# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1046# ifndef memcpy
20ce7b12 1047 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 1048# endif
1049# endif
1050#else
1051# ifndef memcpy
1052# ifdef HAS_BCOPY
1053# define memcpy(d,s,l) bcopy(s,d,l)
1054# else
1055# define memcpy(d,s,l) my_bcopy(s,d,l)
1056# endif
1057# endif
1058#endif /* HAS_MEMCPY */
fe14fcc3 1059
ee0007ab 1060#ifdef HAS_MEMSET
85e6fe83 1061# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1062# ifndef memset
20ce7b12 1063 extern char *memset (char*, int, int);
ee0007ab
LW		 1064# endif
1065# endif
ee0007ab 1066#else
12ae5dfc 1067# undef memset
fc36a67e 1068# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1069#endif /* HAS_MEMSET */
1070
85e6fe83 1071#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1072# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1073# define memmove(d,s,l) bcopy(s,d,l)
1074# else
2304df62 1075# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1076# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1077# else
79072805 1078# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1079# endif
352d5a3a 1080# endif
d9d8d8de 1081#endif
ee0007ab 1082
36477c24 1083#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1084# undef HAS_MEMCMP
1085#endif
1086
1087#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1088# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1089# ifndef memcmp
20ce7b12 1090 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1091# endif
1092# endif
36477c24 1093# ifdef BUGGY_MSC
7e4e8c89 1094# pragma function(memcmp)
36477c24 1095# endif
ee0007ab
LW		 1096#else
1097# ifndef memcmp
ecfc5424 1098# define memcmp my_memcmp
352d5a3a 1099# endif
36477c24 1100#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1101
fc36a67e 1102#ifndef memzero
c635e13b 1103# ifdef HAS_MEMSET
1104# define memzero(d,l) memset(d,0,l)
79072805 1105# else
c635e13b 1106# ifdef HAS_BZERO
1107# define memzero(d,l) bzero(d,l)
79072805 1108# else
fc36a67e 1109# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1110# endif
1111# endif
d9d8d8de 1112#endif
378cc40b 1113
2f42fcb0 1114#ifndef PERL_MICRO
0f27ced1
JH		 1115#ifndef memchr
1116# ifndef HAS_MEMCHR
1117# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1118# endif
1119#endif
2f42fcb0 1120#endif
0f27ced1 1121
36477c24 1122#ifndef HAS_BCMP
1123# ifndef bcmp
1124# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1125# endif
36477c24 1126#endif /* !HAS_BCMP */
378cc40b 1127
ae986130 1128#ifdef I_NETINET_IN
79072805 1129# include <netinet/in.h>
ae986130
LW		 1130#endif
1131
28e8609d
JH		 1132#ifdef I_ARPA_INET
1133# include <arpa/inet.h>
1134#endif
1135
84902520
TB		 1136#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1137/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1138 * (the neo-BSD seem to do this). */
1139# undef SF_APPEND
1140#endif
1141
1aef975c 1142#ifdef I_SYS_STAT
84902520 1143# include <sys/stat.h>
1aef975c 1144#endif
79072805 1145
a0d0e21e
LW		 1146/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1147 like UTekV) are broken, sometimes giving false positives. Undefine
1148 them here and let the code below set them to proper values.
1149
1150 The ghs macro stands for GreenHills Software C-1.8.5 which
1151 is the C compiler for sysV88 and the various derivatives.
1152 This header file bug is corrected in gcc-2.5.8 and later versions.
1153 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1154
1155#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1156# undef S_ISDIR
1157# undef S_ISCHR
1158# undef S_ISBLK
1159# undef S_ISREG
1160# undef S_ISFIFO
1161# undef S_ISLNK
ee0007ab 1162#endif
135863df 1163
663a0e37
LW		 1164#ifdef I_TIME
1165# include <time.h>
ffed7fef 1166#endif
663a0e37 1167
fe14fcc3 1168#ifdef I_SYS_TIME
85e6fe83 1169# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1170# define KERNEL
1171# endif
1172# include <sys/time.h>
85e6fe83 1173# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1174# undef KERNEL
1175# endif
a687059c 1176#endif
135863df 1177
55497cff 1178#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1179# include <sys/times.h>
d9d8d8de 1180#endif
8d063cd8 1181
fe14fcc3 1182#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1183# undef HAS_STRERROR
663a0e37
LW		 1184#endif
1185
1186#include <errno.h>
1e743fda 1187
acfe0abc 1188#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1189# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1190#endif
1191
8cfab5ff
JH		 1192/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1193 * This is important for using IPv6.
1194 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1195 * a bad idea since it breaks send() and recv(). */
1196#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1197# define _SOCKADDR_LEN
1198#endif
1199
8d3f517a 1200#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1201# include <sys/socket.h>
1202# if defined(USE_SOCKS) && defined(I_SOCKS)
1203# if !defined(INCLUDE_PROTOTYPES)
1204# define INCLUDE_PROTOTYPES /* for <socks.h> */
1205# define PERL_SOCKS_NEED_PROTOTYPES
1206# endif
1207# include <socks.h>
1208# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1209# undef INCLUDE_PROTOTYPES
1210# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1211# endif
d460ef45 1212# endif
1e743fda 1213# ifdef I_NETDB
2986a63f
JH		 1214# ifdef NETWARE
1215# include<stdio.h>
1216# endif
1e743fda
JH		 1217# include <netdb.h>
1218# endif
1219# ifndef ENOTSOCK
1220# ifdef I_NET_ERRNO
1221# include <net/errno.h>
1222# endif
1223# endif
1224#endif
1225
fa0a29af 1226/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1227 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1228 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1229#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1230# if defined(__THROW) && defined(__GLIBC__)
1231int sockatmark(int) __THROW;
1232# else
2ef53570 1233int sockatmark(int);
29820b6d 1234# endif
2ef53570
JH		 1235#endif
1236
7e827271 1237#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		 1238EXTERN_C int fchdir(int);
1239EXTERN_C int flock(int, int);
1240EXTERN_C int fseeko(FILE *, off_t, int);
1241EXTERN_C off_t ftello(FILE *);
1242#endif
1243
7e827271 1244#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1245EXTERN_C char *crypt(const char *, const char *);
7e827271 1246EXTERN_C char **environ;
1ccb7c8d
JH		 1247#endif
1248
83a6ff2e 1249#if defined(__cplusplus)
944c4fda 1250# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1251EXTERN_C char **environ;
83a6ff2e 1252# elif defined(__CYGWIN__)
667e2948
SP		 1253EXTERN_C char *crypt(const char *, const char *);
1254#endif
83a6ff2e 1255#endif
667e2948 1256
1e743fda
JH		 1257#ifdef SETERRNO
1258# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1259#endif
f86702cc 1260
1261#ifdef VMS
1262# define SETERRNO(errcode,vmserrcode) \
1263 STMT_START { \
1264 set_errno(errcode); \
1265 set_vaxc_errno(vmserrcode); \
1266 } STMT_END
4ee39169
CS		 1267# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1268# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1269# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1270# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1271
93189314
JH		 1272# define LIB_INVARG LIB$_INVARG
1273# define RMS_DIR RMS$_DIR
1274# define RMS_FAC RMS$_FAC
1275# define RMS_FEX RMS$_FEX
1276# define RMS_FNF RMS$_FNF
1277# define RMS_IFI RMS$_IFI
1278# define RMS_ISI RMS$_ISI
1279# define RMS_PRV RMS$_PRV
1280# define SS_ACCVIO SS$_ACCVIO
1281# define SS_DEVOFFLINE SS$_DEVOFFLINE
1282# define SS_IVCHAN SS$_IVCHAN
1283# define SS_NORMAL SS$_NORMAL
748a9306 1284#else
aba27d88 1285# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS		 1286# define dSAVEDERRNO int saved_errno
1287# define dSAVE_ERRNO int saved_errno = errno
1288# define SAVE_ERRNO (saved_errno = errno)
1289# define RESTORE_ERRNO (errno = saved_errno)
1290
93189314
JH		 1291# define LIB_INVARG 0
1292# define RMS_DIR 0
1293# define RMS_FAC 0
1294# define RMS_FEX 0
1295# define RMS_FNF 0
1296# define RMS_IFI 0
1297# define RMS_ISI 0
1298# define RMS_PRV 0
1299# define SS_ACCVIO 0
1300# define SS_DEVOFFLINE 0
1301# define SS_IVCHAN 0
1302# define SS_NORMAL 0
748a9306 1303#endif
ed6116ce 1304
3db8f154 1305#define ERRSV GvSV(PL_errgv)
414bf5ae
MHM		 1306#ifdef PERL_CORE
1307# define DEFSV (0 + GvSVn(PL_defgv))
1308#else
1309# define DEFSV GvSVn(PL_defgv)
1310#endif
1311#define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
3db8f154 1312#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1313
98eae8f5
GS		 1314#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1315
55497cff 1316#ifndef errno
5ff3f7a4
GS		 1317 extern int errno; /* ANSI allows errno to be an lvalue expr.
1318 * For example in multithreaded environments
1319 * something like this might happen:
1320 * extern int *_errno(void);
1321 * #define errno (*_errno()) */
d9d8d8de 1322#endif
663a0e37 1323
2304df62 1324#ifdef HAS_STRERROR
a0d0e21e 1325# ifdef VMS
20ce7b12 1326 char *strerror (int,...);
a0d0e21e 1327# else
68dc0745 1328#ifndef DONT_DECLARE_STD
20ce7b12 1329 char *strerror (int);
68dc0745 1330#endif
a0d0e21e 1331# endif
2304df62
AD		 1332# ifndef Strerror
1333# define Strerror strerror
1334# endif
1335#else
1336# ifdef HAS_SYS_ERRLIST
79072805
LW		 1337 extern int sys_nerr;
1338 extern char *sys_errlist[];
2304df62
AD		 1339# ifndef Strerror
1340# define Strerror(e) \
79072805 1341 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1342# endif
79072805 1343# endif
35c8bce7 1344#endif
663a0e37 1345
2304df62 1346#ifdef I_SYS_IOCTL
79072805
LW		 1347# ifndef _IOCTL_
1348# include <sys/ioctl.h>
1349# endif
a687059c
LW		 1350#endif
1351
ee0007ab 1352#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1353# ifdef HAS_SOCKETPAIR
1354# undef HAS_SOCKETPAIR
1355# endif
2304df62
AD		 1356# ifdef I_NDBM
1357# undef I_NDBM
79072805 1358# endif
a687059c
LW		 1359#endif
1360
02fc2eee
NC		 1361#ifndef HAS_SOCKETPAIR
1362# ifdef HAS_SOCKET
1363# define socketpair Perl_my_socketpair
1364# endif
1365#endif
1366
a687059c 1367#if INTSIZE == 2
79072805
LW		 1368# define htoni htons
1369# define ntohi ntohs
a687059c 1370#else
79072805
LW		 1371# define htoni htonl
1372# define ntohi ntohl
a687059c
LW		 1373#endif
1374
a0d0e21e 1375/* Configure already sets Direntry_t */
35c8bce7 1376#if defined(I_DIRENT)
663a0e37 1377# include <dirent.h>
8f1f23e8
W		 1378 /* NeXT needs dirent + sys/dir.h */
1379# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1380# include <sys/dir.h>
1381# endif
ae986130 1382#else
fe14fcc3 1383# ifdef I_SYS_NDIR
79a0689e 1384# include <sys/ndir.h>
663a0e37 1385# else
fe14fcc3 1386# ifdef I_SYS_DIR
79a0689e
LW		 1387# ifdef hp9000s500
1388# include <ndir.h> /* may be wrong in the future */
1389# else
1390# include <sys/dir.h>
1391# endif
663a0e37
LW		 1392# endif
1393# endif
4633a7c4 1394#endif
a687059c 1395
12ae5dfc
JH		 1396#ifdef PERL_MICRO
1397# ifndef DIR
1398# define DIR void
1399# endif
1400#endif
1401
352d5a3a
LW		 1402#ifdef FPUTS_BOTCH
1403/* work around botch in SunOS 4.0.1 and 4.0.2 */
1404# ifndef fputs
79072805 1405# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1406# endif
1407#endif
1408
c623bd54
LW		 1409/*
1410 * The following gobbledygook brought to you on behalf of __STDC__.
1411 * (I could just use #ifndef __STDC__, but this is more bulletproof
1412 * in the face of half-implementations.)
1413 */
1414
7114a2d2 1415#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1416#include <sys/mode.h>
1417#endif
1418
c623bd54
LW		 1419#ifndef S_IFMT
1420# ifdef _S_IFMT
1421# define S_IFMT _S_IFMT
1422# else
1423# define S_IFMT 0170000
1424# endif
1425#endif
1426
1427#ifndef S_ISDIR
1428# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1429#endif
1430
1431#ifndef S_ISCHR
1432# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1433#endif
1434
1435#ifndef S_ISBLK
fe14fcc3
LW		 1436# ifdef S_IFBLK
1437# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1438# else
1439# define S_ISBLK(m) (0)
1440# endif
c623bd54
LW		 1441#endif
1442
1443#ifndef S_ISREG
1444# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1445#endif
1446
1447#ifndef S_ISFIFO
fe14fcc3
LW		 1448# ifdef S_IFIFO
1449# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1450# else
1451# define S_ISFIFO(m) (0)
1452# endif
c623bd54
LW		 1453#endif
1454
1455#ifndef S_ISLNK
1456# ifdef _S_ISLNK
1457# define S_ISLNK(m) _S_ISLNK(m)
1458# else
1459# ifdef _S_IFLNK
1460# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1461# else
1462# ifdef S_IFLNK
1463# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1464# else
1465# define S_ISLNK(m) (0)
1466# endif
1467# endif
1468# endif
1469#endif
1470
1471#ifndef S_ISSOCK
1472# ifdef _S_ISSOCK
1473# define S_ISSOCK(m) _S_ISSOCK(m)
1474# else
1475# ifdef _S_IFSOCK
1476# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1477# else
1478# ifdef S_IFSOCK
1479# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1480# else
1481# define S_ISSOCK(m) (0)
1482# endif
1483# endif
1484# endif
1485#endif
1486
1487#ifndef S_IRUSR
1488# ifdef S_IREAD
1489# define S_IRUSR S_IREAD
1490# define S_IWUSR S_IWRITE
1491# define S_IXUSR S_IEXEC
1492# else
1493# define S_IRUSR 0400
1494# define S_IWUSR 0200
1495# define S_IXUSR 0100
1496# endif
fac7cdfc
JS		 1497#endif
1498
1499#ifndef S_IRGRP
1500# ifdef S_IRUSR
1501# define S_IRGRP (S_IRUSR>>3)
1502# define S_IWGRP (S_IWUSR>>3)
1503# define S_IXGRP (S_IXUSR>>3)
1504# else
1505# define S_IRGRP 0040
1506# define S_IWGRP 0020
1507# define S_IXGRP 0010
1508# endif
1509#endif
1510
1511#ifndef S_IROTH
1512# ifdef S_IRUSR
1513# define S_IROTH (S_IRUSR>>6)
1514# define S_IWOTH (S_IWUSR>>6)
1515# define S_IXOTH (S_IXUSR>>6)
1516# else
1517# define S_IROTH 0040
1518# define S_IWOTH 0020
1519# define S_IXOTH 0010
1520# endif
c623bd54
LW		 1521#endif
1522
1523#ifndef S_ISUID
1524# define S_ISUID 04000
1525#endif
1526
1527#ifndef S_ISGID
1528# define S_ISGID 02000
1529#endif
1530
ca6e1c26
JH		 1531#ifndef S_IRWXU
1532# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1533#endif
ca6e1c26
JH		 1534
1535#ifndef S_IRWXG
1536# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1537#endif
ca6e1c26
JH		 1538
1539#ifndef S_IRWXO
1540# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1541#endif
ca6e1c26 1542
df00ff3b 1543/* BeOS 5.0 and Haiku R1 seem to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1544 * which would get included through <sys/file.h >, but that is 3000
1545 * lines in the future. --jhi */
1546
df00ff3b 1547#if !defined(S_IREAD) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1548# define S_IREAD S_IRUSR
1549#endif
1550
df00ff3b 1551#if !defined(S_IWRITE) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1552# define S_IWRITE S_IWUSR
1553#endif
1554
1555#ifndef S_IEXEC
1556# define S_IEXEC S_IXUSR
1557#endif
1558
79072805
LW		 1559#ifdef ff_next
1560# undef ff_next
352d5a3a
LW		 1561#endif
1562
a0d0e21e 1563#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1564# define SLOPPYDIVIDE
1565#endif
1566
748a9306
LW		 1567#ifdef UV
1568#undef UV
1569#endif
1570
c89df6bf
JH		 1571#ifdef SPRINTF_E_BUG
1572# define sprintf UTS_sprintf_wrap
1573#endif
1574
ce582cee
NC		 1575/* For the times when you want the return value of sprintf, and you want it
1576 to be the length. Can't have a thread variable passed in, because C89 has
1577 no varargs macros.
1578*/
1579#ifdef SPRINTF_RETURNS_STRLEN
1580# define my_sprintf sprintf
1581#else
1582# define my_sprintf Perl_my_sprintf
1583#endif
1584
5b692037
JH		 1585/*
1586 * If we have v?snprintf() and the C99 variadic macros, we can just
1587 * use just the v?snprintf(). It is nice to try to trap the buffer
1588 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1589 * gcc statement expressions, then use the function wrappers which try
1590 * to trap the overflow. If we can use the gcc statement expressions,
1591 * we can try that even with the version that uses the C99 variadic
1592 * macros.
5b692037
JH		 1593 */
1594
1208b3dd
JH		 1595/* Note that we do not check against snprintf()/vsnprintf() returning
1596 * negative values because that is non-standard behaviour and we use
1597 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1598 * that should be true only if the snprintf()/vsnprintf() are true
1599 * to the standard. */
1600
dfeee9b1 1601#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1602# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1603# 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 1604# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1605# else
1606# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1607# endif
1608#else
1609# define my_snprintf Perl_my_snprintf
1208b3dd 1610# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1611#endif
1612
dfeee9b1 1613#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1614# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1615# 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 1616# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1617# else
1618# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1619# endif
1620#else
1621# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1622# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1623#endif
d9fad198 1624
a6cc4119
SP		 1625#ifdef HAS_STRLCAT
1626# define my_strlcat strlcat
1627#else
1628# define my_strlcat Perl_my_strlcat
1629#endif
1630
1631#ifdef HAS_STRLCPY
1632# define my_strlcpy strlcpy
1633#else
1634# define my_strlcpy Perl_my_strlcpy
1635#endif
1636
c495e728
JH		 1637/* Configure gets this right but the UTS compiler gets it wrong.
1638 -- Hal Morris <hom00@utsglobal.com> */
1639#ifdef UTS
1640# undef UVTYPE
1641# define UVTYPE unsigned
1642#endif
1643
05f13f53 1644/*
27d4fb96 1645 The IV type is supposed to be long enough to hold any integral
1646 value or a pointer.
1647 --Andy Dougherty August 1996
1648*/
1649
a22e52b9
JH		 1650typedef IVTYPE IV;
1651typedef UVTYPE UV;
8175356b 1652
10cc9d2a 1653#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1654# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1655# define IV_MAX INT64_MAX
1656# define IV_MIN INT64_MIN
1657# define UV_MAX UINT64_MAX
cae7ae48
JH		 1658# ifndef UINT64_MIN
1659# define UINT64_MIN 0
1660# endif
5ff3f7a4
GS		 1661# define UV_MIN UINT64_MIN
1662# else
1663# define IV_MAX PERL_QUAD_MAX
1664# define IV_MIN PERL_QUAD_MIN
1665# define UV_MAX PERL_UQUAD_MAX
1666# define UV_MIN PERL_UQUAD_MIN
1667# endif
cf2093f6
JH		 1668# define IV_IS_QUAD
1669# define UV_IS_QUAD
79072805 1670#else
8175356b 1671# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1672# define IV_MAX INT32_MAX
1673# define IV_MIN INT32_MIN
716026f9
DL		 1674# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1675# define UV_MAX UINT32_MAX
1676# else
1677# define UV_MAX 4294967295U
1678# endif
cae7ae48
JH		 1679# ifndef UINT32_MIN
1680# define UINT32_MIN 0
1681# endif
5ff3f7a4
GS		 1682# define UV_MIN UINT32_MIN
1683# else
1684# define IV_MAX PERL_LONG_MAX
1685# define IV_MIN PERL_LONG_MIN
1686# define UV_MAX PERL_ULONG_MAX
1687# define UV_MIN PERL_ULONG_MIN
1688# endif
8175356b 1689# if IVSIZE == 8
cf2093f6
JH		 1690# define IV_IS_QUAD
1691# define UV_IS_QUAD
de1c2614
JH		 1692# ifndef HAS_QUAD
1693# define HAS_QUAD
1694# endif
cf2093f6
JH		 1695# else
1696# undef IV_IS_QUAD
1697# undef UV_IS_QUAD
de1c2614 1698# undef HAS_QUAD
cf2093f6 1699# endif
79072805 1700#endif
d7d93a81 1701
1109a392
MHM		 1702#ifndef HAS_QUAD
1703# undef PERL_NEED_MY_HTOLE64
1704# undef PERL_NEED_MY_LETOH64
1705# undef PERL_NEED_MY_HTOBE64
1706# undef PERL_NEED_MY_BETOH64
1707#endif
1708
6cde8aec 1709#if defined(uts) || defined(UTS)
11afe549
HM		 1710# undef UV_MAX
1711# define UV_MAX (4294967295u)
20601011
JH		 1712#endif
1713
cae7ae48 1714#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1715#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1716
28e5dec8 1717#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1718#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1719#endif
1720
d460ef45 1721/*
26bb67e2
JH		 1722 * The macros INT2PTR and NUM2PTR are (despite their names)
1723 * bi-directional: they will convert int/float to or from pointers.
1724 * However the conversion to int/float are named explicitly:
1725 * PTR2IV, PTR2UV, PTR2NV.
1726 *
1727 * For int conversions we do not need two casts if pointers are
1728 * the same size as IV and UV. Otherwise we need an explicit
1729 * cast (PTRV) to avoid compiler warnings.
1730 */
56431972
RB		 1731#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1732# define PTRV UV
1733# define INT2PTR(any,d) (any)(d)
1734#else
d460ef45 1735# if PTRSIZE == LONGSIZE
56431972 1736# define PTRV unsigned long
e91e3b10 1737# define PTR2ul(p) (unsigned long)(p)
42718184 1738# else
56431972 1739# define PTRV unsigned
42718184 1740# endif
e91e3b10
RB		 1741#endif
1742
1743#ifndef INT2PTR
56431972 1744# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1745#endif
e91e3b10
RB		 1746
1747#ifndef PTR2ul
1748# define PTR2ul(p) INT2PTR(unsigned long,p)
1749#endif
1750
56431972
RB		 1751#define NUM2PTR(any,d) (any)(PTRV)(d)
1752#define PTR2IV(p) INT2PTR(IV,p)
1753#define PTR2UV(p) INT2PTR(UV,p)
1754#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1755#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1756
8141890a
JH		 1757/* According to strict ANSI C89 one cannot freely cast between
1758 * data pointers and function (code) pointers. There are at least
1759 * two ways around this. One (used below) is to do two casts,
1760 * first the other pointer to an (unsigned) integer, and then
1761 * the integer to the other pointer. The other way would be
1762 * to use unions to "overlay" the pointers. For an example of
1763 * the latter technique, see union dirpu in struct xpvio in sv.h.
1764 * The only feasible use is probably temporarily storing
1765 * function pointers in a data pointer (such as a void pointer). */
1766
e91e3b10
RB		 1767#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1768#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1769
65202027 1770#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1771# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1772# define LONG_DOUBLE_EQUALS_DOUBLE
1773# endif
68d4903c 1774# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1775# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1776# endif
1777#endif
1778
2d4389e4
JH		 1779#ifdef OVR_DBL_DIG
1780/* Use an overridden DBL_DIG */
1781# ifdef DBL_DIG
1782# undef DBL_DIG
1783# endif
1784# define DBL_DIG OVR_DBL_DIG
1785#else
1786/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1787 default value for printing floating point numbers in Gconvert
1788 (see config.h). (It also has other uses, such as figuring out if
1789 a given precision of printing can be done with a double instead of
1790 a long double - Allen).
2d4389e4
JH		 1791*/
1792#ifdef I_LIMITS
1793#include <limits.h>
1794#endif
1795#ifdef I_FLOAT
1796#include <float.h>
1797#endif
1798#ifndef HAS_DBL_DIG
1799#define DBL_DIG 15 /* A guess that works lots of places */
1800#endif
1801#endif
1802
1803#ifdef OVR_LDBL_DIG
1804/* Use an overridden LDBL_DIG */
1805# ifdef LDBL_DIG
1806# undef LDBL_DIG
1807# endif
1808# define LDBL_DIG OVR_LDBL_DIG
1809#else
1810/* The following is all to get LDBL_DIG, in order to pick a nice
1811 default value for printing floating point numbers in Gconvert.
1812 (see config.h)
1813*/
68d4903c
JH		 1814# ifdef I_LIMITS
1815# include <limits.h>
1816# endif
1817# ifdef I_FLOAT
1818# include <float.h>
1819# endif
1820# ifndef HAS_LDBL_DIG
1821# if LONG_DOUBLESIZE == 10
1822# define LDBL_DIG 18 /* assume IEEE */
1823# else
1824# if LONG_DOUBLESIZE == 12
1825# define LDBL_DIG 18 /* gcc? */
1826# else
1827# if LONG_DOUBLESIZE == 16
1828# define LDBL_DIG 33 /* assume IEEE */
1829# else
1830# if LONG_DOUBLESIZE == DOUBLESIZE
1831# define LDBL_DIG DBL_DIG /* bummer */
1832# endif
1833# endif
1834# endif
1835# endif
1836# endif
2d4389e4
JH		 1837#endif
1838
20f6aaab
AS		 1839/*
1840 * This is for making sure we have a good DBL_MAX value, if possible,
1841 * either for usage as NV_MAX or for usage in figuring out if we can
1842 * fit a given long double into a double, if bug-fixing makes it
1843 * necessary to do so. - Allen <allens@cpan.org>
1844 */
1845
205f51d8
AS		 1846#ifdef I_LIMITS
1847# include <limits.h>
20f6aaab
AS		 1848#endif
1849
205f51d8
AS		 1850#ifdef I_VALUES
1851# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1852# include <values.h>
1853# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1854# define DBL_MAX MAXDOUBLE
1855# endif
1856# if defined(MINDOUBLE) && !defined(DBL_MIN)
1857# define DBL_MIN MINDOUBLE
1858# endif
1859# endif
1860#endif /* defined(I_VALUES) */
1861
a22e52b9 1862typedef NVTYPE NV;
8175356b 1863
792d8dab
JH		 1864#ifdef I_IEEEFP
1865# include <ieeefp.h>
1866#endif
923fc586 1867
65202027 1868#ifdef USE_LONG_DOUBLE
923fc586
JH		 1869# ifdef I_SUNMATH
1870# include <sunmath.h>
1871# endif
2d4389e4 1872# define NV_DIG LDBL_DIG
d6c14000
JH		 1873# ifdef LDBL_MANT_DIG
1874# define NV_MANT_DIG LDBL_MANT_DIG
1875# endif
06fc1729
JH		 1876# ifdef LDBL_MIN
1877# define NV_MIN LDBL_MIN
1878# endif
1879# ifdef LDBL_MAX
1880# define NV_MAX LDBL_MAX
1881# endif
1882# ifdef LDBL_MIN_10_EXP
1883# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1884# endif
1885# ifdef LDBL_MAX_10_EXP
1886# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1887# endif
1888# ifdef LDBL_EPSILON
1889# define NV_EPSILON LDBL_EPSILON
1890# endif
f4a14a62
JH		 1891# ifdef LDBL_MAX
1892# define NV_MAX LDBL_MAX
20f6aaab 1893/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1894# else
1895# ifdef HUGE_VALL
1896# define NV_MAX HUGE_VALL
1897# else
1898# ifdef HUGE_VAL
1899# define NV_MAX ((NV)HUGE_VAL)
1900# endif
1901# endif
1902# endif
68d4903c 1903# ifdef HAS_SQRTL
68d4903c
JH		 1904# define Perl_cos cosl
1905# define Perl_sin sinl
1906# define Perl_sqrt sqrtl
1907# define Perl_exp expl
1908# define Perl_log logl
1909# define Perl_atan2 atan2l
1910# define Perl_pow powl
1911# define Perl_floor floorl
1bbae031 1912# define Perl_ceil ceill
68d4903c
JH		 1913# define Perl_fmod fmodl
1914# endif
a3540c92
JH		 1915/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1916# ifdef HAS_MODFL
1917# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1918/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1919 prototype in <math.h> */
1920# ifndef HAS_MODFL_PROTO
a221a8a5 1921EXTERN_C long double modfl(long double, long double *);
51997bc3 1922# endif
03476e8e
JH		 1923# else
1924# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1925 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1926# define Perl_modf(x,y) Perl_my_modfl(x,y)
1927# endif
a3540c92
JH		 1928# endif
1929# ifdef HAS_FREXPL
dff3e0b8 1930# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1931# else
1932# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1933 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1934# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1935# endif
a3540c92 1936# endif
38dbb4c5 1937# ifndef Perl_isnan
758a5d79
JH		 1938# ifdef HAS_ISNANL
1939# define Perl_isnan(x) isnanl(x)
1940# endif
1941# endif
1942# ifndef Perl_isinf
1943# ifdef HAS_FINITEL
1944# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1945# endif
1946# endif
65202027 1947#else
2d4389e4 1948# define NV_DIG DBL_DIG
d6c14000
JH		 1949# ifdef DBL_MANT_DIG
1950# define NV_MANT_DIG DBL_MANT_DIG
1951# endif
06fc1729
JH		 1952# ifdef DBL_MIN
1953# define NV_MIN DBL_MIN
1954# endif
1955# ifdef DBL_MAX
1956# define NV_MAX DBL_MAX
1957# endif
1958# ifdef DBL_MIN_10_EXP
1959# define NV_MIN_10_EXP DBL_MIN_10_EXP
1960# endif
1961# ifdef DBL_MAX_10_EXP
1962# define NV_MAX_10_EXP DBL_MAX_10_EXP
1963# endif
1964# ifdef DBL_EPSILON
1965# define NV_EPSILON DBL_EPSILON
1966# endif
205f51d8 1967# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1968# define NV_MAX DBL_MAX
1969# define NV_MIN DBL_MIN
1970# else
1971# ifdef HUGE_VAL
1972# define NV_MAX HUGE_VAL
1973# endif
1974# endif
65202027
DS		 1975# define Perl_cos cos
1976# define Perl_sin sin
1977# define Perl_sqrt sqrt
1978# define Perl_exp exp
1979# define Perl_log log
1980# define Perl_atan2 atan2
1981# define Perl_pow pow
1982# define Perl_floor floor
1bbae031 1983# define Perl_ceil ceil
65202027 1984# define Perl_fmod fmod
a3540c92 1985# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1986# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1987#endif
1988
1989/* rumor has it that Win32 has _fpclass() */
1990
205f51d8
AS		 1991/* SGI has fpclassl... but not with the same result values,
1992 * and it's via a typedef (not via #define), so will need to redo Configure
1993 * to use. Not worth the trouble, IMO, at least until the below is used
1994 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1995 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1996 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1997
758a5d79
JH		 1998#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1999# ifdef I_IEEFP
2000# include <ieeefp.h>
2001# endif
2002# ifdef I_FP
2003# include <fp.h>
2004# endif
2005# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2006# define Perl_fp_class() fpclassl(x)
2007# else
2008# define Perl_fp_class() fpclass(x)
2009# endif
2010# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2011# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2012# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2013# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2014# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2015# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2016# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2017# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2018# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2019# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2020# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2021# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2022# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2023# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2024# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2025#endif
2026
7114a2d2 2027#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2028# include <math.h>
2029# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2030# include <fp_class.h>
2031# endif
2032# define Perl_fp_class(x) fp_class(x)
2033# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2034# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2035# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2036# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2037# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2038# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2039# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2040# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2041# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2042# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2043# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2044# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2045# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2046# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2047# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2048#endif
2049
2050#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2051# include <math.h>
2052# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2053# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2054# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2055# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2056# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2057# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2058#endif
2059
2060#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2061# include <math.h>
2062# ifndef _cplusplus
2063# define Perl_fp_class(x) class(x)
2064# else
2065# define Perl_fp_class(x) _class(x)
2066# endif
2067# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2068# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2069# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2070# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2071# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2072# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2073# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2074# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2075# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2076# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2077# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2078# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2079# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2080# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2081# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2082#endif
2083
2084/* rumor has it that Win32 has _isnan() */
2085
2086#ifndef Perl_isnan
a3540c92 2087# ifdef HAS_ISNAN
758a5d79
JH		 2088# define Perl_isnan(x) isnan((NV)x)
2089# else
2090# ifdef Perl_fp_class_nan
2091# define Perl_isnan(x) Perl_fp_class_nan(x)
2092# else
2093# ifdef HAS_UNORDERED
2094# define Perl_isnan(x) unordered((x), 0.0)
2095# else
2096# define Perl_isnan(x) ((x)!=(x))
2097# endif
2098# endif
2099# endif
2100#endif
2101
ca6c63e1
JH		 2102#ifdef UNDER_CE
2103int isnan(double d);
2104#endif
2105
758a5d79
JH		 2106#ifndef Perl_isinf
2107# ifdef HAS_ISINF
2108# define Perl_isinf(x) isinf((NV)x)
a3540c92 2109# else
758a5d79
JH		 2110# ifdef Perl_fp_class_inf
2111# define Perl_isinf(x) Perl_fp_class_inf(x)
2112# else
2113# define Perl_isinf(x) ((x)==NV_INF)
2114# endif
2115# endif
2116#endif
2117
2118#ifndef Perl_isfinite
2119# ifdef HAS_FINITE
2120# define Perl_isfinite(x) finite((NV)x)
2121# else
2122# ifdef HAS_ISFINITE
2123# define Perl_isfinite(x) isfinite(x)
2124# else
2125# ifdef Perl_fp_class_finite
2126# define Perl_isfinite(x) Perl_fp_class_finite(x)
2127# else
2128# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2129# endif
2130# endif
a3540c92 2131# endif
65202027
DS		 2132#endif
2133
a36244b7
JH		 2134/* The default is to use Perl's own atof() implementation (in numeric.c).
2135 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2136 * it is however best to use the native implementation of atof.
2137 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2138 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2139 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2140 * you may need to be using a different function than atof! */
a36244b7
JH		 2141
2142#ifndef USE_PERL_ATOF
2143# ifndef _UNICOS
2144# define USE_PERL_ATOF
2145# endif
2146#else
2147# if USE_PERL_ATOF == 0
2148# undef USE_PERL_ATOF
2149# endif
2150#endif
2151
2152#ifdef USE_PERL_ATOF
2153# define Perl_atof(s) Perl_my_atof(s)
2154# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2155#else
2156# define Perl_atof(s) (NV)atof(s)
2157# define Perl_atof2(s, n) ((n) = atof(s))
2158#endif
cf2093f6 2159
d460ef45 2160/* Previously these definitions used hardcoded figures.
760ac839
LW		 2161 * It is hoped these formula are more portable, although
2162 * no data one way or another is presently known to me.
2163 * The "PERL_" names are used because these calculated constants
2164 * do not meet the ANSI requirements for LONG_MAX, etc., which
2165 * need to be constants acceptable to #if - kja
2166 * define PERL_LONG_MAX 2147483647L
2167 * define PERL_LONG_MIN (-LONG_MAX - 1)
2168 * define PERL ULONG_MAX 4294967295L
2169 */
2170
2171#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2172# include <limits.h>
760ac839 2173#endif
205f51d8
AS		 2174/* Included values.h above if necessary; still including limits.h down here,
2175 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2176
99abf803 2177/*
2178 * Try to figure out max and min values for the integral types. THE CORRECT
2179 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2180 * following hacks are used if neither limits.h or values.h provide them:
2181 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2182 * for types < int: (unsigned TYPE)~(unsigned)0
2183 * The argument to ~ must be unsigned so that later signed->unsigned
2184 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2185 * and it must not be smaller than int because ~ does integral promotion.
2186 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2187 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2188 * The latter is a hack which happens to work on some machines but
2189 * does *not* catch any random system, or things like integer types
2190 * with NaN if that is possible.
2191 *
2192 * All of the types are explicitly cast to prevent accidental loss of
2193 * numeric range, and in the hope that they will be less likely to confuse
2194 * over-eager optimizers.
2195 *
2196 */
27d4fb96 2197
99abf803 2198#define PERL_UCHAR_MIN ((unsigned char)0)
2199
2200#ifdef UCHAR_MAX
2201# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2202#else
99abf803 2203# ifdef MAXUCHAR
2204# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2205# else
99abf803 2206# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2207# endif
2208#endif
d460ef45 2209
99abf803 2210/*
2211 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2212 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2213 * depending on local options. Until Configure detects this (or at least
2214 * detects whether the "signed" keyword is available) the CHAR ranges
2215 * will not be included. UCHAR functions normally.
2216 * - kja
2217 */
27d4fb96 2218
99abf803 2219#define PERL_USHORT_MIN ((unsigned short)0)
2220
2221#ifdef USHORT_MAX
2222# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2223#else
99abf803 2224# ifdef MAXUSHORT
2225# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2226# else
ef2f54b0
CB		 2227# ifdef USHRT_MAX
2228# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2229# else
2230# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2231# endif
27d4fb96 2232# endif
2233#endif
2234
27d4fb96 2235#ifdef SHORT_MAX
99abf803 2236# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2237#else
2238# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2239# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2240# else
ef2f54b0
CB		 2241# ifdef SHRT_MAX
2242# define PERL_SHORT_MAX ((short)SHRT_MAX)
2243# else
2244# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2245# endif
27d4fb96 2246# endif
2247#endif
2248
2249#ifdef SHORT_MIN
99abf803 2250# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2251#else
2252# ifdef MINSHORT
99abf803 2253# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2254# else
ef2f54b0
CB		 2255# ifdef SHRT_MIN
2256# define PERL_SHORT_MIN ((short)SHRT_MIN)
2257# else
2258# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2259# endif
27d4fb96 2260# endif
2261#endif
2262
99abf803 2263#ifdef UINT_MAX
2264# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2265#else
99abf803 2266# ifdef MAXUINT
2267# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2268# else
99abf803 2269# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2270# endif
2271#endif
2272
99abf803 2273#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2274
2275#ifdef INT_MAX
99abf803 2276# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2277#else
2278# ifdef MAXINT /* Often used in <values.h> */
99abf803 2279# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2280# else
99abf803 2281# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2282# endif
2283#endif
2284
2285#ifdef INT_MIN
99abf803 2286# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2287#else
2288# ifdef MININT
99abf803 2289# define PERL_INT_MIN ((int)MININT)
27d4fb96 2290# else
2291# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2292# endif
2293#endif
2294
99abf803 2295#ifdef ULONG_MAX
2296# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2297#else
99abf803 2298# ifdef MAXULONG
2299# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2300# else
99abf803 2301# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2302# endif
2303#endif
2304
99abf803 2305#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2306
760ac839 2307#ifdef LONG_MAX
99abf803 2308# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2309#else
2310# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2311# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2312# else
99abf803 2313# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2314# endif
2315#endif
2316
2317#ifdef LONG_MIN
99abf803 2318# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2319#else
2320# ifdef MINLONG
99abf803 2321# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2322# else
27d4fb96 2323# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2324# endif
2325#endif
2326
d7d93a81 2327#ifdef UV_IS_QUAD
99abf803 2328
99abf803 2329# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2330# define PERL_UQUAD_MIN ((UV)0)
99abf803 2331# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2332# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2333
79072805
LW		 2334#endif
2335
22f7c9c9
JH		 2336#ifdef MYMALLOC
2337# include "malloc_ctl.h"
2338#endif
2339
830247a4 2340struct RExC_state_t;
8e11feef 2341struct _reg_trie_data;
880b20b6 2342
ee0007ab 2343typedef MEM_SIZE STRLEN;
450a55e4 2344
598921a7
NC		 2345#ifdef PERL_MAD
2346typedef struct token TOKEN;
2347typedef struct madprop MADPROP;
2348typedef struct nexttoken NEXTTOKE;
2349#endif
79072805
LW		 2350typedef struct op OP;
2351typedef struct cop COP;
2352typedef struct unop UNOP;
2353typedef struct binop BINOP;
2354typedef struct listop LISTOP;
2355typedef struct logop LOGOP;
79072805
LW		 2356typedef struct pmop PMOP;
2357typedef struct svop SVOP;
7934575e 2358typedef struct padop PADOP;
79072805 2359typedef struct pvop PVOP;
79072805
LW		 2360typedef struct loop LOOP;
2361
cd1541b2
NC		 2362typedef struct interpreter PerlInterpreter;
2363
d2b3f365
SS		 2364/* Amdahl's <ksync.h> has struct sv */
2365/* SGI's <sys/sema.h> has struct sv */
2366#if defined(UTS) || defined(__sgi)
2367# define STRUCT_SV perl_sv
b8d3c5db
JH		 2368#else
2369# define STRUCT_SV sv
2370#endif
2371typedef struct STRUCT_SV SV;
79072805
LW		 2372typedef struct av AV;
2373typedef struct hv HV;
2374typedef struct cv CV;
288b8c02 2375typedef struct regexp ORANGE; /* This is the body structure. */
d2f13c59 2376typedef struct p5rx REGEXP;
79072805 2377typedef struct gp GP;
0c30d9ec 2378typedef struct gv GV;
8990e307 2379typedef struct io IO;
c09156bb 2380typedef struct context PERL_CONTEXT;
79072805
LW		 2381typedef struct block BLOCK;
2382
2383typedef struct magic MAGIC;
2384typedef struct xpv XPV;
2385typedef struct xpviv XPVIV;
ff68c719 2386typedef struct xpvuv XPVUV;
79072805
LW		 2387typedef struct xpvnv XPVNV;
2388typedef struct xpvmg XPVMG;
2389typedef struct xpvlv XPVLV;
2390typedef struct xpvav XPVAV;
2391typedef struct xpvhv XPVHV;
2392typedef struct xpvgv XPVGV;
2393typedef struct xpvcv XPVCV;
2394typedef struct xpvbm XPVBM;
2395typedef struct xpvfm XPVFM;
8990e307 2396typedef struct xpvio XPVIO;
79072805
LW		 2397typedef struct mgvtbl MGVTBL;
2398typedef union any ANY;
5f7fde29
GS		 2399typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2400typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2401typedef struct clone_params CLONE_PARAMS;
2402
378cc40b 2403#include "handy.h"
a0d0e21e 2404
6b8eaf93 2405#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2406# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2407# define USE_64_BIT_RAWIO /* implicit */
2408# endif
4564133c
JH		 2409#endif
2410
6b8eaf93
JH		 2411/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2412 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2413 * however, because operating systems like to do that themself. */
2414#ifndef FSEEKSIZE
2415# ifdef HAS_FSEEKO
2416# define FSEEKSIZE LSEEKSIZE
2417# else
2418# define FSEEKSIZE LONGSIZE
d460ef45 2419# endif
6b8eaf93
JH		 2420#endif
2421
2422#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2423# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2424# define USE_64_BIT_STDIO /* implicit */
2425# endif
2426#endif
4564133c 2427
09458382 2428#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2429# ifdef HAS_OFF64_T
2430# undef Off_t
2431# define Off_t off64_t
2432# undef LSEEKSIZE
2433# define LSEEKSIZE 8
5ff3f7a4 2434# endif
d9b3e12d
JH		 2435/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2436 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2437 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2438# if defined(USE_OPEN64)
2439# define open open64
5ff3f7a4 2440# endif
d9b3e12d
JH		 2441# if defined(USE_LSEEK64)
2442# define lseek lseek64
6b8eaf93
JH		 2443# else
2444# if defined(USE_LLSEEK)
2445# define lseek llseek
2446# endif
d9b3e12d
JH		 2447# endif
2448# if defined(USE_STAT64)
2449# define stat stat64
2450# endif
2451# if defined(USE_FSTAT64)
2452# define fstat fstat64
2453# endif
2454# if defined(USE_LSTAT64)
2455# define lstat lstat64
2456# endif
2457# if defined(USE_FLOCK64)
2458# define flock flock64
2459# endif
2460# if defined(USE_LOCKF64)
2461# define lockf lockf64
2462# endif
2463# if defined(USE_FCNTL64)
2464# define fcntl fcntl64
2465# endif
2466# if defined(USE_TRUNCATE64)
2467# define truncate truncate64
2468# endif
2469# if defined(USE_FTRUNCATE64)
2470# define ftruncate ftruncate64
2471# endif
2472#endif
2473
2474#ifdef USE_64_BIT_STDIO
2475# ifdef HAS_FPOS64_T
2476# undef Fpos_t
2477# define Fpos_t fpos64_t
2478# endif
2479/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2480 * will trigger defines like the ones below. Some 64-bit environments,
2481 * however, do not. */
2482# if defined(USE_FOPEN64)
2483# define fopen fopen64
2484# endif
2485# if defined(USE_FSEEK64)
6b8eaf93 2486# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2487# endif
2488# if defined(USE_FTELL64)
6b8eaf93 2489# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2490# endif
2491# if defined(USE_FSETPOS64)
2492# define fsetpos fsetpos64
2493# endif
2494# if defined(USE_FGETPOS64)
2495# define fgetpos fgetpos64
2496# endif
2497# if defined(USE_TMPFILE64)
2498# define tmpfile tmpfile64
2499# endif
2500# if defined(USE_FREOPEN64)
2501# define freopen freopen64
5ff3f7a4
GS		 2502# endif
2503#endif
2504
af8b425d 2505#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2506# include "iperlsys.h"
2507#endif
2508
6f71a643 2509#if defined(__OPEN_VM)
19848b3f
JH		 2510# include "vmesa/vmesaish.h"
2511# define ISHISH "vmesa"
6f71a643
JH		 2512#endif
2513
748a9306 2514#ifdef DOSISH
19848b3f
JH		 2515# if defined(OS2)
2516# include "os2ish.h"
2517# else
2518# include "dosish.h"
2519# endif
2520# define ISHISH "dos"
2521#endif
2522
2523#if defined(VMS)
748a9306 2524# include "vmsish.h"
96e176bf 2525# include "embed.h"
eb8433b7
NC		 2526# ifndef PERL_MAD
2527# undef op_getmad
b3f24c00 2528# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2529# endif
19848b3f
JH		 2530# define ISHISH "vms"
2531#endif
2532
2533#if defined(PLAN9)
2534# include "./plan9/plan9ish.h"
2535# define ISHISH "plan9"
2536#endif
2537
2538#if defined(MPE)
2539# include "mpeix/mpeixish.h"
2540# define ISHISH "mpeix"
2541#endif
2542
2543#if defined(__VOS__)
196918b0
PG		 2544# ifdef __GNUC__
2545# include "./vos/vosish.h"
2546# else
2547# include "vos/vosish.h"
2548# endif
19848b3f
JH		 2549# define ISHISH "vos"
2550#endif
2551
2552#if defined(EPOC)
2553# include "epocish.h"
2554# define ISHISH "epoc"
2555#endif
2556
9969cdde 2557#ifdef __SYMBIAN32__
27da23d5
JH		 2558# include "symbian/symbianish.h"
2559# include "embed.h"
eb8433b7
NC		 2560# ifndef PERL_MAD
2561# undef op_getmad
b3f24c00 2562# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2563# endif
27da23d5
JH		 2564# define ISHISH "symbian"
2565#endif
2566
19848b3f
JH		 2567#if defined(MACOS_TRADITIONAL)
2568# include "macos/macish.h"
2569# ifndef NO_ENVIRON_ARRAY
2570# define NO_ENVIRON_ARRAY
0c30d9ec 2571# endif
19848b3f
JH		 2572# define ISHISH "macos classic"
2573#endif
2574
df00ff3b
IW		 2575#if defined(__HAIKU__)
2576# include "haiku/haikuish.h"
2577# define ISHISH "haiku"
2578#elif defined(__BEOS__)
efca5cc6
JH		 2579# include "beos/beosish.h"
2580# define ISHISH "beos"
2581#endif
2582
19848b3f
JH		 2583#ifndef ISHISH
2584# include "unixish.h"
2585# define ISHISH "unix"
13b6e58c
JH		 2586#endif
2587
2946a158
JH		 2588/* NSIG logic from Configure --> */
2589/* Strange style to avoid deeply-nested #if/#else/#endif */
2590#ifndef NSIG
2591# ifdef _NSIG
2592# define NSIG (_NSIG)
2593# endif
2594#endif
2595
2596#ifndef NSIG
2597# ifdef SIGMAX
2598# define NSIG (SIGMAX+1)
2599# endif
2600#endif
2601
2602#ifndef NSIG
2603# ifdef SIG_MAX
2604# define NSIG (SIG_MAX+1)
2605# endif
2606#endif
2607
2608#ifndef NSIG
2609# ifdef _SIG_MAX
2610# define NSIG (_SIG_MAX+1)
2611# endif
2612#endif
2613
2614#ifndef NSIG
2615# ifdef MAXSIG
2616# define NSIG (MAXSIG+1)
2617# endif
2618#endif
2619
2620#ifndef NSIG
2621# ifdef MAX_SIG
2622# define NSIG (MAX_SIG+1)
2623# endif
2624#endif
2625
2626#ifndef NSIG
2627# ifdef SIGARRAYSIZE
2628# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2629# endif
2630#endif
2631
2632#ifndef NSIG
2633# ifdef _sys_nsig
2634# define NSIG (_sys_nsig) /* Solaris 2.5 */
2635# endif
2636#endif
2637
2638/* Default to some arbitrary number that's big enough to get most
2639 of the common signals.
2640*/
2641#ifndef NSIG
2642# define NSIG 50
2643#endif
2644/* <-- NSIG logic from Configure */
2645
13b6e58c
JH		 2646#ifndef NO_ENVIRON_ARRAY
2647# define USE_ENVIRON_ARRAY
2648#endif
32f822de 2649
c77b533b
JH		 2650/*
2651 * initialise to avoid floating-point exceptions from overflow, etc
2652 */
2653#ifndef PERL_FPU_INIT
2654# ifdef HAS_FPSETMASK
2655# if HAS_FLOATINGPOINT_H
2656# include <floatingpoint.h>
2657# endif
ad3a8c67
NC		 2658/* Some operating systems have this as a macro, which in turn expands to a comma
2659 expression, and the last sub-expression is something that gets calculated,
2660 and then they have the gall to warn that a value computed is not used. Hence
2661 cast to void. */
2662# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2663# else
2f42fcb0 2664# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2665# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2666# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2667# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2668# else
2669# define PERL_FPU_INIT
2f42fcb0 2670
7014c407 2671# endif
c77b533b
JH		 2672# endif
2673#endif
b35112e7
CS		 2674#ifndef PERL_FPU_PRE_EXEC
2675# define PERL_FPU_PRE_EXEC {
2676# define PERL_FPU_POST_EXEC }
2677#endif
c77b533b 2678
cbec8ebe
DM		 2679#ifndef PERL_SYS_INIT3_BODY
2680# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2681#endif
2682
eb533572
DM		 2683/*
2684=for apidoc Am|void|PERL_SYS_INIT|int argc|char** argv
2685Provides system-specific tune up of the C runtime environment necessary to
2686run Perl interpreters. This should be called only once, before creating
2687any Perl interpreters.
2688
2689=for apidoc Am|void|PERL_SYS_INIT3|int argc|char** argv|char** env
2690Provides system-specific tune up of the C runtime environment necessary to
2691run Perl interpreters. This should be called only once, before creating
2692any Perl interpreters.
2693
2694=for apidoc Am|void|PERL_SYS_TERM|
2695Provides system-specific clean up of the C runtime environment after
2696running Perl interpreters. This should be called only once, after
2697freeing any remaining Perl interpreters.
2698
2699=cut
2700 */
2701
cbec8ebe
DM		 2702#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2703#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2704#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2705
be708cc0
JH		 2706#ifndef PERL_WRITE_MSG_TO_CONSOLE
2707# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2708#endif
2709
0f31cffe
GS		 2710#ifndef MAXPATHLEN
2711# ifdef PATH_MAX
b990c8b2
JH		 2712# ifdef _POSIX_PATH_MAX
2713# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2714/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2715 * included the null byte or not. Later amendments of POSIX,
2716 * XPG4, the Austin Group, and the Single UNIX Specification
2717 * all explicitly include the null byte in the PATH_MAX.
2718 * Ditto for _POSIX_PATH_MAX. */
2719# define MAXPATHLEN PATH_MAX
b990c8b2 2720# else
09448d78 2721# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2722# endif
2723# else
2724# define MAXPATHLEN (PATH_MAX+1)
2725# endif
0f31cffe 2726# else
b990c8b2 2727# ifdef _POSIX_PATH_MAX
09448d78 2728# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2729# else
2730# define MAXPATHLEN 1024 /* Err on the large side. */
2731# endif
0f31cffe
GS		 2732# endif
2733#endif
2734
c80263a8
SH		 2735/* In case Configure was not used (we are using a "canned config"
2736 * such as Win32, or a cross-compilation setup, for example) try going
2737 * by the gcc major and minor versions. One useful URL is
2738 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2739 * but contrary to this information warn_unused_result seems
2740 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2741 * Also, when building extensions with an installed perl, this allows
2742 * the user to upgrade gcc and get the right attributes, rather than
2743 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2744 * Set these up now otherwise we get confused when some of the <*thread.h>
2745 * includes below indirectly pull in <perlio.h> (which needs to know if we
2746 * have HASATTRIBUTE_FORMAT).
2747 */
2748
4d7c7898 2749#ifndef PERL_MICRO
fc2007d4 2750#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2751# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2752# define HASATTRIBUTE_DEPRECATED
2753# endif
c80263a8
SH		 2754# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2755# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2756# if defined __MINGW32__
2757# define PRINTF_FORMAT_NULL_OK
2758# endif
c80263a8
SH		 2759# endif
2760# if __GNUC__ >= 3 /* 3.0 -> */
2761# define HASATTRIBUTE_MALLOC
2762# endif
2763# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2764# define HASATTRIBUTE_NONNULL
2765# endif
2766# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2767# define HASATTRIBUTE_NORETURN
2768# endif
2769# if __GNUC__ >= 3 /* gcc 3.0 -> */
2770# define HASATTRIBUTE_PURE
2771# endif
42bf5550 2772# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2773# define HASATTRIBUTE_UNUSED
2774# endif
d324fe49
AD		 2775# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2776# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2777# endif
c80263a8
SH		 2778# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2779# define HASATTRIBUTE_WARN_UNUSED_RESULT
2780# endif
2781#endif
4d7c7898 2782#endif /* #ifndef PERL_MICRO */
c80263a8 2783
3db8f154 2784/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2785 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2786 * this results in many functions being undeclared which bothers C++
2787 * May make sense to have threads after "*ish.h" anyway
2788 */
2789
3db8f154 2790#if defined(USE_ITHREADS)
2986a63f
JH		 2791# ifdef NETWARE
2792# include <nw5thread.h>
2793# else
32f822de
GS		 2794# ifdef FAKE_THREADS
2795# include "fakethr.h"
2796# else
2797# ifdef WIN32
2798# include <win32thread.h>
2799# else
dd96f567
IZ		 2800# ifdef OS2
2801# include "os2thread.h"
2802# else
7f3d1cf1 2803# ifdef I_MACH_CTHREADS
bdd66968 2804# include <mach/cthreads.h>
8f1f23e8 2805# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2806# define MUTEX_INIT_CALLS_MALLOC
2807# endif
7f3d1cf1
BH		 2808typedef cthread_t perl_os_thread;
2809typedef mutex_t perl_mutex;
2810typedef condition_t perl_cond;
2811typedef void * perl_key;
2812# else /* Posix threads */
1f5ae88c
JH		 2813# ifdef I_PTHREAD
2814# include <pthread.h>
2815# endif
7f3d1cf1
BH		 2816typedef pthread_t perl_os_thread;
2817typedef pthread_mutex_t perl_mutex;
2818typedef pthread_cond_t perl_cond;
2819typedef pthread_key_t perl_key;
2820# endif /* I_MACH_CTHREADS */
dd96f567 2821# endif /* OS2 */
32f822de
GS		 2822# endif /* WIN32 */
2823# endif /* FAKE_THREADS */
2986a63f 2824#endif /* NETWARE */
3db8f154 2825#endif /* USE_ITHREADS */
c5be433b 2826
66a93824 2827#if defined(WIN32)
1feb2720 2828# include "win32.h"
c5be433b
GS		 2829#endif
2830
2986a63f
JH		 2831#ifdef NETWARE
2832# include "netware.h"
2833#endif
2834
e5218da5 2835#define STATUS_UNIX PL_statusvalue
68dc0745 2836#ifdef VMS
6b88bc9c 2837# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2838/*
2839 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2840 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2841 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2842 * be updated also.
2843 */
2844# include <stsdef.h>
2845# include <ssdef.h>
2846/* Presume this because if VMS changes it, it will require a new
2847 * set of APIs for waiting on children for binary compatibility.
2848 */
2849# define child_offset_bits (8)
2850# ifndef C_FAC_POSIX
2851# define C_FAC_POSIX 0x35A000
2852# endif
2853
2854/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2855 * platform from the existing UNIX or Native status values.
2856 */
2857
37038d91 2858# define STATUS_EXIT \
7a7fd8e0
JM		 2859 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2860 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2861
7a7fd8e0 2862
fb38d079
JM		 2863/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2864 * exit code and shifts the UNIX value over the correct number of bits to
2865 * be a child status. Usually the number of bits is 8, but that could be
2866 * platform dependent. The NATIVE status code is presumed to have either
2867 * from a child process.
7a7fd8e0
JM		 2868 */
2869
fb38d079
JM		 2870/* This is complicated. The child processes return a true native VMS
2871 status which must be saved. But there is an assumption in Perl that
2872 the UNIX child status has some relationship to errno values, so
2873 Perl tries to translate it to text in some of the tests.
2874 In order to get the string translation correct, for the error, errno
2875 must be EVMSERR, but that generates a different text message
2876 than what the test programs are expecting. So an errno value must
2877 be derived from the native status value when an error occurs.
2878 That will hide the true native status message. With this version of
2879 perl, the true native child status can always be retrieved so that
2880 is not a problem. But in this case, Pl_statusvalue and errno may
2881 have different values in them.
2882 */
7a7fd8e0 2883
fb38d079 2884# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2885 STMT_START { \
2fbb330f
JM		 2886 I32 evalue = (I32)n; \
2887 if (evalue == EVMSERR) { \
2888 PL_statusvalue_vms = vaxc$errno; \
2889 PL_statusvalue = evalue; \
7a7fd8e0 2890 } else { \
2fbb330f 2891 PL_statusvalue_vms = evalue; \
fb38d079 2892 if (evalue == -1) { \
3280af22 2893 PL_statusvalue = -1; \
7a7fd8e0
JM		 2894 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2895 } else \
fb38d079 2896 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2897 set_vaxc_errno(evalue); \
fb38d079
JM		 2898 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2899 set_errno(EVMSERR); \
2900 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2901 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2902 } \
68dc0745 2903 } STMT_END
7a7fd8e0 2904
68dc0745 2905# ifdef VMSISH_STATUS
e5218da5 2906# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2907# else
e5218da5 2908# define STATUS_CURRENT STATUS_UNIX
68dc0745 2909# endif
7a7fd8e0
JM		 2910
2911 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2912 * the NATIVE status to an equivalent value. Can not be used to translate
2913 * exit code values as exit code values are not guaranteed to have any
2914 * relationship at all to errno values.
2915 * This is used when Perl is forcing errno to have a specific value.
2916 */
e5218da5 2917# define STATUS_UNIX_SET(n) \
68dc0745 2918 STMT_START { \
7a7fd8e0 2919 I32 evalue = (I32)n; \
0968cdad 2920 PL_statusvalue = evalue; \
3280af22 2921 if (PL_statusvalue != -1) { \
0968cdad
JM		 2922 if (PL_statusvalue != EVMSERR) { \
2923 PL_statusvalue &= 0xFFFF; \
2924 if (MY_POSIX_EXIT) \
2925 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2926 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2927 } \
2928 else { \
2929 PL_statusvalue_vms = vaxc$errno; \
2930 } \
68dc0745 2931 } \
0968cdad
JM		 2932 else PL_statusvalue_vms = SS$_ABORT; \
2933 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2934 } STMT_END
2935
2936 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 2937 * the NATIVE error status based on it.
2938 *
2939 * When in the default mode to comply with the Perl VMS documentation,
2940 * 0 is a success and any other code sets the NATIVE status to a failure
2941 * code of SS$_ABORT.
fb38d079
JM		 2942 *
2943 * In the new POSIX EXIT mode, native status will be set so that the
2944 * actual exit code will can be retrieved by the calling program or
2945 * shell.
2946 *
2947 * If the exit code is not clearly a UNIX parent or child exit status,
2948 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2949 */
2950
fb38d079 2951# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2952 STMT_START { \
2953 I32 evalue = (I32)n; \
2954 PL_statusvalue = evalue; \
e08e1e1d
JM		 2955 if (MY_POSIX_EXIT) { \
2956 if (evalue <= 0xFF00) { \
2957 if (evalue > 0xFF) \
2958 evalue = (evalue >> child_offset_bits) & 0xFF; \
2959 PL_statusvalue_vms = \
2960 (C_FAC_POSIX | (evalue << 3 ) | \
2961 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
2962 } else /* forgive them Perl, for they have sinned */ \
2963 PL_statusvalue_vms = evalue; \
2964 } else { \
2965 if (evalue == 0) \
2966 PL_statusvalue_vms = SS$_NORMAL; \
2967 else if (evalue <= 0xFF00) \
2968 PL_statusvalue_vms = SS$_ABORT; \
2969 else { /* forgive them Perl, for they have sinned */ \
2970 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2971 else PL_statusvalue_vms = vaxc$errno; \
2972 /* And obviously used a VMS status value instead of UNIX */ \
2973 PL_statusvalue = EVMSERR; \
2974 } \
2975 set_vaxc_errno(PL_statusvalue_vms); \
2976 } \
68dc0745 2977 } STMT_END
fb38d079 2978
e08e1e1d 2979
6ac6a52b
JM		 2980 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2981 * and sets the NATIVE error status based on it. This special case
2982 * is needed to maintain compatibility with past VMS behavior.
2983 *
2984 * In the default mode on VMS, this number is passed through as
2985 * both the NATIVE and UNIX status. Which makes it different
2986 * that the STATUS_UNIX_EXIT_SET.
2987 *
2988 * In the new POSIX EXIT mode, native status will be set so that the
2989 * actual exit code will can be retrieved by the calling program or
2990 * shell.
2991 *
1a3aec58
JM		 2992 * A POSIX exit code is from 0 to 255. If the exit code is higher
2993 * than this, it needs to be assumed that it is a VMS exit code and
2994 * passed through.
6ac6a52b
JM		 2995 */
2996
2997# define STATUS_EXIT_SET(n) \
2998 STMT_START { \
2999 I32 evalue = (I32)n; \
3000 PL_statusvalue = evalue; \
3001 if (MY_POSIX_EXIT) \
1a3aec58
JM		 3002 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3003 PL_statusvalue_vms = \
3004 (C_FAC_POSIX | (evalue << 3 ) | \
3005 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 3006 else \
3007 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3008 set_vaxc_errno(PL_statusvalue_vms); \
3009 } STMT_END
3010
fb38d079
JM		 3011
3012 /* This macro forces a success status */
7a7fd8e0
JM		 3013# define STATUS_ALL_SUCCESS \
3014 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 3015
3016 /* This macro forces a failure status */
7a7fd8e0
JM		 3017# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3018 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3019 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3020
68dc0745 3021#else
e5218da5 3022# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3023# if defined(WCOREDUMP)
37038d91 3024# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3025 STMT_START { \
3026 PL_statusvalue_posix = (n); \
3027 if (PL_statusvalue_posix == -1) \
3028 PL_statusvalue = -1; \
3029 else { \
3030 PL_statusvalue = \
3031 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3032 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3033 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3034 } \
3035 } STMT_END
3036# elif defined(WIFEXITED)
37038d91 3037# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3038 STMT_START { \
3039 PL_statusvalue_posix = (n); \
3040 if (PL_statusvalue_posix == -1) \
3041 PL_statusvalue = -1; \
3042 else { \
3043 PL_statusvalue = \
3044 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3045 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3046 } \
3047 } STMT_END
3048# else
37038d91 3049# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3050 STMT_START { \
3051 PL_statusvalue_posix = (n); \
3052 if (PL_statusvalue_posix == -1) \
3053 PL_statusvalue = -1; \
3054 else { \
3055 PL_statusvalue = \
3056 PL_statusvalue_posix & 0xFFFF; \
3057 } \
3058 } STMT_END
3059# endif
3060# define STATUS_UNIX_SET(n) \
68dc0745 3061 STMT_START { \
3280af22
NIS		 3062 PL_statusvalue = (n); \
3063 if (PL_statusvalue != -1) \
3064 PL_statusvalue &= 0xFFFF; \
68dc0745 3065 } STMT_END
7a7fd8e0 3066# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3067# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3068# define STATUS_CURRENT STATUS_UNIX
37038d91 3069# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3070# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3071# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3072#endif
3073
cc3604b1
GS		 3074/* flags in PL_exit_flags for nature of exit() */
3075#define PERL_EXIT_EXPECTED 0x01
31d77e54 3076#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3077
0b94c7bb 3078#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 3079# define MEMBER_TO_FPTR(name) name
3080#endif
3081
b79b76e0 3082#ifndef PERL_CORE
a7cb1f99 3083/* format to use for version numbers in file/directory names */
273cf8d1 3084/* XXX move to Configure? */
b79b76e0
NC		 3085/* This was only ever used for the current version, and that can be done at
3086 compile time, as PERL_FS_VERSION, so should we just delete it? */
3087# ifndef PERL_FS_VER_FMT
3088# define PERL_FS_VER_FMT "%d.%d.%d"
3089# endif
3090#endif
3091
3092#ifndef PERL_FS_VERSION
3093# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS		 3094#endif
3095
45bc9206 3096/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3097 * performance issue, so we allow people to disable it. Also, if
3098 * we are using stdio, there are broken implementations of fflush(NULL)
3099 * out there, Solaris being the most prominent.
45bc9206
GS		 3100 */
3101#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3102# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3103# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3104# else
3105# ifdef FFLUSH_ALL
3106# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3107# else
c5be433b 3108# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3109# endif
66fe083f 3110# endif
45bc9206
GS		 3111#endif
3112
7766f137
GS		 3113#ifndef PERL_WAIT_FOR_CHILDREN
3114# define PERL_WAIT_FOR_CHILDREN NOOP
3115#endif
3116
ba869deb 3117/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3118#ifndef PERL_SET_INTERP
3119# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3120#endif
3121
3122#ifndef PERL_GET_INTERP
3123# define PERL_GET_INTERP (PL_curinterp)
3124#endif
3125
54aff467 3126#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3127# ifdef MULTIPLICITY
ba869deb 3128# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3129# endif
ba869deb
GS		 3130# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3131#endif
3132
8896765a
RB		 3133/*
3134 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3135 All that is required is that the perl source does not
8896765a
RB		 3136 use "%-p" or "%-<number>p" or "%<number>p" formats.
3137 These formats will still work in perl code.
3138 See comments in sv.c for futher details.
3139
8896765a 3140 Robin Barker 2005-07-14
f46d31f2
RB		 3141
3142 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3143*/
8896765a
RB		 3144
3145#ifndef SVf_
63ce7bf0 3146# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3147#endif
3148
8896765a 3149#ifndef SVf
104abab4 3150# define SVf "-p"
d2560b70
RB		 3151#endif
3152
014ead4b 3153#ifndef SVf32
8896765a 3154# define SVf32 SVf_(32)
014ead4b
RB		 3155#endif
3156
3157#ifndef SVf256
8896765a
RB		 3158# define SVf256 SVf_(256)
3159#endif
3160
be2597df
MHM		 3161#define SVfARG(p) ((void*)(p))
3162
f46d31f2
RB		 3163#ifdef PERL_CORE
3164/* not used; but needed for backward compatibilty with XS code? - RMB */
3165# undef VDf
3166#else
3167# ifndef VDf
8896765a
RB		 3168# define VDf "vd"
3169# endif
014ead4b 3170#endif
170cd9e9
NC		 3171
3172#ifdef PERL_CORE
f5992bc4 3173/* not used; but needed for backward compatibilty with XS code? - RMB */
7776bb98
RB		 3174# undef UVf
3175#else
170cd9e9
NC		 3176# ifndef UVf
3177# define UVf UVuf
3178# endif
d2560b70
RB		 3179#endif
3180
fcdf39cf
RGS		 3181#ifdef HASATTRIBUTE_DEPRECATED
3182# define __attribute__deprecated__ __attribute__((deprecated))
3183#endif
0dbb1585
AL		 3184#ifdef HASATTRIBUTE_FORMAT
3185# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3186#endif
3187#ifdef HASATTRIBUTE_MALLOC
77785eea 3188# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3189#endif
0dbb1585 3190#ifdef HASATTRIBUTE_NONNULL
abb2c242 3191# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3192#endif
0dbb1585 3193#ifdef HASATTRIBUTE_NORETURN
abb2c242 3194# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3195#endif
0dbb1585 3196#ifdef HASATTRIBUTE_PURE
abb2c242 3197# define __attribute__pure__ __attribute__((pure))
f22be1b8 3198#endif
0dbb1585
AL		 3199#ifdef HASATTRIBUTE_UNUSED
3200# define __attribute__unused__ __attribute__((unused))
3201#endif
3202#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3203# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3204#endif
3205
0dbb1585 3206/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3207#ifndef __attribute__deprecated__
3208# define __attribute__deprecated__
3209#endif
0dbb1585
AL		 3210#ifndef __attribute__format__
3211# define __attribute__format__(x,y,z)
3212#endif
f22be1b8 3213#ifndef __attribute__malloc__
abb2c242 3214# define __attribute__malloc__
f22be1b8
JH		 3215#endif
3216#ifndef __attribute__nonnull__
abb2c242 3217# define __attribute__nonnull__(a)
f22be1b8
JH		 3218#endif
3219#ifndef __attribute__noreturn__
abb2c242 3220# define __attribute__noreturn__
f22be1b8
JH		 3221#endif
3222#ifndef __attribute__pure__
abb2c242 3223# define __attribute__pure__
f22be1b8 3224#endif
0dbb1585
AL		 3225#ifndef __attribute__unused__
3226# define __attribute__unused__
3227#endif
f22be1b8 3228#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3229# define __attribute__warn_unused_result__
3230#endif
3231
0dbb1585
AL		 3232/* For functions that are marked as __attribute__noreturn__, it's not
3233 appropriate to call return. In either case, include the lint directive.
3234 */
3235#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3236# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3237#else
b37c2d43 3238# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH		 3239#endif
3240
cdfeb707
RB		 3241/* Some OS warn on NULL format to printf */
3242#ifdef PRINTF_FORMAT_NULL_OK
3243# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3244#else
3245# define __attribute__format__null_ok__(x,y,z)
3246#endif
3247
635aebb7 3248#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3249# define EXPECT(expr,val) __builtin_expect(expr,val)
3250#else
3251# define EXPECT(expr,val) (expr)
3252#endif
3253#define LIKELY(cond) EXPECT(cond,1)
3254#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3255#ifdef HAS_BUILTIN_CHOOSE_EXPR
3256/* placeholder */
3257#endif
b37c2d43 3258
3fc1aec6 3259/* Some unistd.h's give a prototype for pause() even though
3260 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3261 below to be rejected by the compiler. Sigh.
3fc1aec6 3262*/
3263#ifdef HAS_PAUSE
3264#define Pause pause
3265#else
3266#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3267#endif
3268
3269#ifndef IOCPARM_LEN
3270# ifdef IOCPARM_MASK
61f1c44b 3271 /* on BSDish systems we're safe */
748a9306
LW		 3272# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3273# else
61f1c44b 3274# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3275 /* on Linux systems we're safe; except when we're not [perl #38223] */
3276# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3277# else
748a9306 3278 /* otherwise guess at what's safe */
61f1c44b
JVD		 3279# define IOCPARM_LEN(x) 256
3280# endif
748a9306 3281# endif
a0d0e21e
LW		 3282#endif
3283
1761cee5 3284#if defined(__CYGWIN__)
521e0776
GS		 3285/* USEMYBINMODE
3286 * This symbol, if defined, indicates that the program should
16fe6d59 3287 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3288 * that a file is in "binary" mode -- that is, that no translation
3289 * of bytes occurs on read or write operations.
3290 */
36894f0b 3291# define USEMYBINMODE /**/
77a40698 3292# include <io.h> /* for setmode() prototype */
16fe6d59 3293# define my_binmode(fp, iotype, mode) \
77a40698 3294 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3295#endif
3296
88d10794
JH		 3297#ifdef __CYGWIN__
3298void init_os_extras(void);
3299#endif
3300
cea2e8a9
GS		 3301#ifdef UNION_ANY_DEFINITION
3302UNION_ANY_DEFINITION;
3303#else
3304union any {
3305 void* any_ptr;
3306 I32 any_i32;
3307 IV any_iv;
3308 long any_long;
9febdf04 3309 bool any_bool;
c76ac1ee 3310 void (*any_dptr) (void*);
acfe0abc 3311 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3312};
3313#endif
3314
acfe0abc 3315typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3316
3317#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3318#define FILTER_DATA(idx) \
3319 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3320#define FILTER_ISREADER(idx) \
3321 (PL_parser && PL_parser->rsfp_filters \
3322 && idx >= AvFILLp(PL_parser->rsfp_filters))
3323#define PERL_FILTER_EXISTS(i) \
3324 (PL_parser && PL_parser->rsfp_filters \
3325 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3326
c5078cac
JH		 3327#if defined(_AIX) && !defined(_AIX43)
3328#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3329/* We cannot include <crypt.h> to get the struct crypt_data
3330 * because of setkey prototype problems when threading */
3331typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3332 /* From OSF, Not needed in AIX
3333 char C[28], D[28];
3334 */
3335 char E[48];
3336 char KS[16][48];
3337 char block[66];
3338 char iobuf[16];
3339} CRYPTD;
3340#endif /* threading */
3341#endif /* AIX */
3342
af8b425d 3343#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 3344# include "iperlsys.h"
3345#endif
504f80c1 3346
9c12f1e5
RGS		 3347#ifdef __LIBCATAMOUNT__
3348#undef HAS_PASSWD /* unixish.h but not unixish enough. */
3349#undef HAS_GROUP
3350#define FAKE_BIT_BUCKET
3351#endif
3352
d10dc2ae
JH		 3353/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3354 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3355 * defined by Configure, despite their names being similar to the
3356 * other defines like USE_ITHREADS. Configure in fact knows nothing
3357 * about the randomised hashes. Therefore to enable/disable the hash
3358 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3359#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3360# define USE_HASH_SEED
504f80c1
JH		 3361#endif
3362
598921a7
NC		 3363/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3364 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3365 * it's not really needed.
3366 */
3367#if defined(WIN32)
3368# define YYTOKENTYPE
3369#endif
3370#include "perly.h"
3371
3372#ifdef PERL_MAD
3373struct nexttoken {
3374 YYSTYPE next_val; /* value of next token, if any */
3375 I32 next_type; /* type of next token */
3376 MADPROP *next_mad; /* everything else about that token */
3377};
3378#endif
3379
654eccd5
JD		 3380/* macros to define bit-fields in structs. */
3381#ifndef PERL_BITFIELD8
3382# define PERL_BITFIELD8 unsigned
3383#endif
3384#ifndef PERL_BITFIELD16
3385# define PERL_BITFIELD16 unsigned
3386#endif
3387#ifndef PERL_BITFIELD32
3388# define PERL_BITFIELD32 unsigned
3389#endif
3390
79072805 3391#include "sv.h"
288b8c02 3392#include "regexp.h"
378cc40b 3393#include "util.h"
8d063cd8 3394#include "form.h"
79072805 3395#include "gv.h"
dd2155a4 3396#include "pad.h"
79072805 3397#include "cv.h"
abdd5c84 3398#include "opnames.h"
79072805 3399#include "op.h"
b3ca2e83 3400#include "hv.h"
79072805
LW		 3401#include "cop.h"
3402#include "av.h"
79072805
LW		 3403#include "mg.h"
3404#include "scope.h"
4438c4b7 3405#include "warnings.h"
a0ed51b3 3406#include "utf8.h"
8d063cd8 3407
20f4945e
MHM		 3408/* defined in sv.c, but also used in [ach]v.c */
3409#undef _XPV_ALLOCATED_HEAD
3410#undef _XPV_HEAD
3411#undef _XPVMG_HEAD
3412#undef _XPVCV_COMMON
7fae4e64
GS		 3413
3414typedef struct _sublex_info SUBLEXINFO;
3415struct _sublex_info {
651b5b28
NC		 3416 U8 super_state; /* lexer state to save */
3417 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3418 OP *sub_op; /* "lex_op" to use */
f06b5848
DM		 3419 char *super_bufptr; /* PL_parser->bufptr that was */
3420 char *super_bufend; /* PL_parser->bufend that was */
7fae4e64
GS		 3421};
3422
199e78b7
DM		 3423#include "parser.h"
3424
455ece5e 3425typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3426
2c2d71f5 3427struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3428struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3429
6f51351d
NC		 3430/* Keep next first in this structure, because sv_free_arenas take
3431 advantage of this to share code between the pte arenas and the SV
3432 body arenas */
5f7fde29
GS		 3433struct ptr_tbl_ent {
3434 struct ptr_tbl_ent* next;
53c1dcc0 3435 const void* oldval;
5f7fde29 3436 void* newval;
d18c6117
GS		 3437};
3438
5f7fde29
GS		 3439struct ptr_tbl {
3440 struct ptr_tbl_ent** tbl_ary;
3441 UV tbl_max;
3442 UV tbl_items;
d18c6117
GS		 3443};
3444
450a55e4 3445#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3446# define I286
3447#endif
3448
fe14fcc3
LW		 3449#if defined(htonl) && !defined(HAS_HTONL)
3450#define HAS_HTONL
ae986130 3451#endif
fe14fcc3
LW		 3452#if defined(htons) && !defined(HAS_HTONS)
3453#define HAS_HTONS
ae986130 3454#endif
fe14fcc3
LW		 3455#if defined(ntohl) && !defined(HAS_NTOHL)
3456#define HAS_NTOHL
ae986130 3457#endif
fe14fcc3
LW		 3458#if defined(ntohs) && !defined(HAS_NTOHS)
3459#define HAS_NTOHS
ae986130 3460#endif
fe14fcc3 3461#ifndef HAS_HTONL
d9d8d8de 3462#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3463#define HAS_HTONS
3464#define HAS_HTONL
3465#define HAS_NTOHS
3466#define HAS_NTOHL
a687059c
LW		 3467#define MYSWAP
3468#define htons my_swap
3469#define htonl my_htonl
3470#define ntohs my_swap
3471#define ntohl my_ntohl
3472#endif
3473#else
d9d8d8de 3474#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3475#undef HAS_HTONS
3476#undef HAS_HTONL
3477#undef HAS_NTOHS
3478#undef HAS_NTOHL
a687059c
LW		 3479#endif
3480#endif
3481
988174c1
LW		 3482/*
3483 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3484 * -DWS
3485 */
3486#if BYTEORDER != 0x1234
3487# define HAS_VTOHL
3488# define HAS_VTOHS
3489# define HAS_HTOVL
3490# define HAS_HTOVS
c67712b2 3491# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3492# define vtohl(x) ((((x)&0xFF)<<24) \
3493 +(((x)>>24)&0xFF) \
3494 +(((x)&0x0000FF00)<<8) \
3495 +(((x)&0x00FF0000)>>8) )
3496# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3497# define htovl(x) vtohl(x)
3498# define htovs(x) vtohs(x)
3499# endif
3500 /* otherwise default to functions in util.c */
2a8c3029 3501#ifndef htovs
c623ac67
GS		 3502short htovs(short n);
3503short vtohs(short n);
3504long htovl(long n);
3505long vtohl(long n);
988174c1 3506#endif
2a8c3029 3507#endif
988174c1 3508
3bb7c1b4
JH		 3509/* *MAX Plus 1. A floating point value.
3510 Hopefully expressed in a way that dodgy floating point can't mess up.
3511 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3512 is added to it
3513 May find that some broken compiler will want the value cast to I32.
3514 [after the shift, as signed >> may not be as secure as unsigned >>]
3515*/
3516#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3517#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3518/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3519 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3520 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3521*/
3522#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3523
3bb7c1b4
JH		 3524#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3525#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3526#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3527
3528/* This may look like unnecessary jumping through hoops, but converting
3529 out of range floating point values to integers *is* undefined behaviour,
3530 and it is starting to bite.
3531*/
3532#ifndef CAST_INLINE
65202027 3533#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3534#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3535#define I_V(what) (cast_iv((NV)(what)))
3536#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3537#else
3538#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3539 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3540 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3541#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3542 : ((n) < U32_MAX_P1 ? (U32) (n) \
3543 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3544#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3545 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3546 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3547#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3548 : ((n) < UV_MAX_P1 ? (UV) (n) \
3549 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3550#endif
3551
3552#define U_S(what) ((U16)U_32(what))
3553#define U_I(what) ((unsigned int)U_32(what))
3554#define U_L(what) U_32(what)
ed6116ce 3555
ed140128
AD		 3556#ifdef HAS_SIGNBIT
3557# define Perl_signbit signbit
3558#endif
3559
2d4389e4
JH		 3560/* These do not care about the fractional part, only about the range. */
3561#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3562#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3563
25da4f38
IZ		 3564/* Used with UV/IV arguments: */
3565 /* XXXX: need to speed it up */
3566#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3567#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3568
352d5a3a
LW		 3569#ifndef MAXSYSFD
3570# define MAXSYSFD 2
3571#endif
ee0007ab 3572
79072805 3573#ifndef __cplusplus
27da23d5 3574#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3575Uid_t getuid (void);
3576Uid_t geteuid (void);
3577Gid_t getgid (void);
3578Gid_t getegid (void);
79072805 3579#endif
e1caacb4 3580#endif
8d063cd8 3581
0c30d9ec 3582#ifndef Perl_debug_log
bf49b057
GS		 3583# define Perl_debug_log PerlIO_stderr()
3584#endif
3585
3586#ifndef Perl_error_log
3587# define Perl_error_log (PL_stderrgv \
6b78add2 3588 && isGV(PL_stderrgv) \
01bb7c6d 3589 && GvIOp(PL_stderrgv) \
42de951c 3590 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3591 ? IoOFP(GvIOp(PL_stderrgv)) \
3592 : PerlIO_stderr())
0c30d9ec 3593#endif
3967c732 3594
aea4f609
DM		 3595
3596#define DEBUG_p_FLAG 0x00000001 /* 1 */
3597#define DEBUG_s_FLAG 0x00000002 /* 2 */
3598#define DEBUG_l_FLAG 0x00000004 /* 4 */
3599#define DEBUG_t_FLAG 0x00000008 /* 8 */
3600#define DEBUG_o_FLAG 0x00000010 /* 16 */
3601#define DEBUG_c_FLAG 0x00000020 /* 32 */
3602#define DEBUG_P_FLAG 0x00000040 /* 64 */
3603#define DEBUG_m_FLAG 0x00000080 /* 128 */
3604#define DEBUG_f_FLAG 0x00000100 /* 256 */
3605#define DEBUG_r_FLAG 0x00000200 /* 512 */
3606#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3607#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3608/* U is reserved for Unofficial, exploratory hacking */
3609#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3610#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3611#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3612#define DEBUG_D_FLAG 0x00008000 /* 32768 */
d2c25739 3613/* 0x00010000 is unused, used to be S */
aea4f609 3614#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3615#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3616#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3617#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3618#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3619#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3620#define DEBUG_q_FLAG 0x00800000 /*8388608 */
d2c25739 3621#define DEBUG_MASK 0x00FEEFFF /* mask of all the standard flags */
aea4f609
DM		 3622
3623#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3624#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3625 that something was done? */
aea4f609 3626
bd16a5f0
IZ		 3627# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3628# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3629# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3630# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3631# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3632# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3633# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3634# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3635# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3636# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3637# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3638# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3639# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3640# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3641# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3642# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
bd16a5f0
IZ		 3643# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3644# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3645# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3646# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3647# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3648# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3649# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3650# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3651# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3652
3967c732 3653#ifdef DEBUGGING
aea4f609 3654
bd16a5f0
IZ		 3655# define DEBUG_p_TEST DEBUG_p_TEST_
3656# define DEBUG_s_TEST DEBUG_s_TEST_
3657# define DEBUG_l_TEST DEBUG_l_TEST_
3658# define DEBUG_t_TEST DEBUG_t_TEST_
3659# define DEBUG_o_TEST DEBUG_o_TEST_
3660# define DEBUG_c_TEST DEBUG_c_TEST_
3661# define DEBUG_P_TEST DEBUG_P_TEST_
3662# define DEBUG_m_TEST DEBUG_m_TEST_
3663# define DEBUG_f_TEST DEBUG_f_TEST_
3664# define DEBUG_r_TEST DEBUG_r_TEST_
3665# define DEBUG_x_TEST DEBUG_x_TEST_
3666# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3667# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3668# define DEBUG_H_TEST DEBUG_H_TEST_
3669# define DEBUG_X_TEST DEBUG_X_TEST_
3670# define DEBUG_D_TEST DEBUG_D_TEST_
bd16a5f0
IZ		 3671# define DEBUG_T_TEST DEBUG_T_TEST_
3672# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3673# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3674# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3675# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3676# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3677# define DEBUG_q_TEST DEBUG_q_TEST_
7949c6f5
JC		 3678# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3679# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
aea4f609 3680
488b0c7a
JH		 3681# define PERL_DEB(a) a
3682# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3683# define DEBUG_p(a) if (DEBUG_p_TEST) a
3684# define DEBUG_s(a) if (DEBUG_s_TEST) a
3685# define DEBUG_l(a) if (DEBUG_l_TEST) a
3686# define DEBUG_t(a) if (DEBUG_t_TEST) a
3687# define DEBUG_o(a) if (DEBUG_o_TEST) a
3688# define DEBUG_c(a) if (DEBUG_c_TEST) a
3689# define DEBUG_P(a) if (DEBUG_P_TEST) a
3690
969058bb
VK		 3691 /* Temporarily turn off memory debugging in case the a
3692 * does memory allocation, either directly or indirectly. */
acfe0abc 3693# define DEBUG_m(a) \
0b250b9e 3694 STMT_START { \
aea4f609 3695 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3696 } STMT_END
aea4f609 3697
5f80b19c
AMS		 3698# define DEBUG__(t, a) \
3699 STMT_START { \
3700 if (t) STMT_START {a;} STMT_END; \
3701 } STMT_END
3702
3703# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3704#ifndef PERL_EXT_RE_BUILD
5f80b19c 3705# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3706#else
3707# define DEBUG_r(a) STMT_START {a;} STMT_END
3708#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3709# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3710# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3711# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3712# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3713# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3714# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3715# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3716# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
aea4f609 3717
5f80b19c
AMS		 3718# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3719# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3720# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3721# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3722# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3723# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 3724
3725#else /* DEBUGGING */
3726
3727# define DEBUG_p_TEST (0)
3728# define DEBUG_s_TEST (0)
3729# define DEBUG_l_TEST (0)
3730# define DEBUG_t_TEST (0)
3731# define DEBUG_o_TEST (0)
3732# define DEBUG_c_TEST (0)
3733# define DEBUG_P_TEST (0)
3734# define DEBUG_m_TEST (0)
3735# define DEBUG_f_TEST (0)
3736# define DEBUG_r_TEST (0)
3737# define DEBUG_x_TEST (0)
3738# define DEBUG_u_TEST (0)
88d2d28a 3739# define DEBUG_U_TEST (0)
aea4f609
DM		 3740# define DEBUG_H_TEST (0)
3741# define DEBUG_X_TEST (0)
3742# define DEBUG_D_TEST (0)
aea4f609 3743# define DEBUG_T_TEST (0)
04932ac8 3744# define DEBUG_R_TEST (0)
1045810a 3745# define DEBUG_J_TEST (0)
d6721266 3746# define DEBUG_v_TEST (0)
46187eeb 3747# define DEBUG_C_TEST (0)
ecae49c0
NC		 3748# define DEBUG_A_TEST (0)
3749# define DEBUG_q_TEST (0)
7949c6f5
JC		 3750# define DEBUG_Xv_TEST (0)
3751# define DEBUG_Uv_TEST (0)
aea4f609 3752
488b0c7a
JH		 3753# define PERL_DEB(a)
3754# define PERL_DEBUG(a)
aea4f609
DM		 3755# define DEBUG_p(a)
3756# define DEBUG_s(a)
3757# define DEBUG_l(a)
3758# define DEBUG_t(a)
3759# define DEBUG_o(a)
3760# define DEBUG_c(a)
3761# define DEBUG_P(a)
3762# define DEBUG_m(a)
3763# define DEBUG_f(a)
3764# define DEBUG_r(a)
3765# define DEBUG_x(a)
3766# define DEBUG_u(a)
88d2d28a 3767# define DEBUG_U(a)
aea4f609
DM		 3768# define DEBUG_H(a)
3769# define DEBUG_X(a)
3770# define DEBUG_D(a)
aea4f609 3771# define DEBUG_T(a)
04932ac8 3772# define DEBUG_R(a)
d6721266 3773# define DEBUG_v(a)
46187eeb 3774# define DEBUG_C(a)
ecae49c0
NC		 3775# define DEBUG_A(a)
3776# define DEBUG_q(a)
7949c6f5
JC		 3777# define DEBUG_Xv(a)
3778# define DEBUG_Uv(a)
aea4f609
DM		 3779#endif /* DEBUGGING */
3780
3781
b4ab917c
DM		 3782#define DEBUG_SCOPE(where) \
3783 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3784 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM		 3785
3786
3787
3788
d1be9408 3789/* These constants should be used in preference to raw characters
14befaf4
DM		 3790 * when using magic. Note that some perl guts still assume
3791 * certain character properties of these constants, namely that
3792 * isUPPER() and toLOWER() may do useful mappings.
3793 *
3794 * Update the magic_names table in dump.c when adding/amending these
3795 */
3796
3797#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3798#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3799#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3800#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3801#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */