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Updated CPANPLUS::Dist::Build to cpan version 0.41_01
[perl5.git] / perl.h
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a0d0e21e 1/* perl.h
a687059c 2 *
1129b882 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
5cd3f21a 4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
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
e37778c2 946#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__)
a62746fa
RGS		 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
fe13d51d 1030/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 1031#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		 1032#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1033#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1034#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1035
a0d0e21e
LW		 1036#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1037#define strchr index
1038#define strrchr rindex
1039#endif
1040
16d20bd9
AD		 1041#ifdef I_MEMORY
1042# include <memory.h>
1043#endif
1044
fe14fcc3 1045#ifdef HAS_MEMCPY
85e6fe83 1046# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1047# ifndef memcpy
20ce7b12 1048 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 1049# endif
1050# endif
1051#else
1052# ifndef memcpy
1053# ifdef HAS_BCOPY
1054# define memcpy(d,s,l) bcopy(s,d,l)
1055# else
1056# define memcpy(d,s,l) my_bcopy(s,d,l)
1057# endif
1058# endif
1059#endif /* HAS_MEMCPY */
fe14fcc3 1060
ee0007ab 1061#ifdef HAS_MEMSET
85e6fe83 1062# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1063# ifndef memset
20ce7b12 1064 extern char *memset (char*, int, int);
ee0007ab
LW		 1065# endif
1066# endif
ee0007ab 1067#else
12ae5dfc 1068# undef memset
fc36a67e 1069# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1070#endif /* HAS_MEMSET */
1071
85e6fe83 1072#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1073# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1074# define memmove(d,s,l) bcopy(s,d,l)
1075# else
2304df62 1076# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1077# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1078# else
79072805 1079# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1080# endif
352d5a3a 1081# endif
d9d8d8de 1082#endif
ee0007ab 1083
36477c24 1084#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1085# undef HAS_MEMCMP
1086#endif
1087
1088#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1089# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1090# ifndef memcmp
20ce7b12 1091 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1092# endif
1093# endif
36477c24 1094# ifdef BUGGY_MSC
7e4e8c89 1095# pragma function(memcmp)
36477c24 1096# endif
ee0007ab
LW		 1097#else
1098# ifndef memcmp
ecfc5424 1099# define memcmp my_memcmp
352d5a3a 1100# endif
36477c24 1101#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1102
fc36a67e 1103#ifndef memzero
c635e13b 1104# ifdef HAS_MEMSET
1105# define memzero(d,l) memset(d,0,l)
79072805 1106# else
c635e13b 1107# ifdef HAS_BZERO
1108# define memzero(d,l) bzero(d,l)
79072805 1109# else
fc36a67e 1110# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1111# endif
1112# endif
d9d8d8de 1113#endif
378cc40b 1114
2f42fcb0 1115#ifndef PERL_MICRO
0f27ced1
JH		 1116#ifndef memchr
1117# ifndef HAS_MEMCHR
1118# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1119# endif
1120#endif
2f42fcb0 1121#endif
0f27ced1 1122
36477c24 1123#ifndef HAS_BCMP
1124# ifndef bcmp
1125# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1126# endif
36477c24 1127#endif /* !HAS_BCMP */
378cc40b 1128
ae986130 1129#ifdef I_NETINET_IN
79072805 1130# include <netinet/in.h>
ae986130
LW		 1131#endif
1132
28e8609d
JH		 1133#ifdef I_ARPA_INET
1134# include <arpa/inet.h>
1135#endif
1136
84902520
TB		 1137#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1138/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1139 * (the neo-BSD seem to do this). */
1140# undef SF_APPEND
1141#endif
1142
1aef975c 1143#ifdef I_SYS_STAT
84902520 1144# include <sys/stat.h>
1aef975c 1145#endif
79072805 1146
287a962e
JD		 1147/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1148 This definition should ideally go into win32/win32.h, but S_IFIFO is
1149 used later here in perl.h before win32/win32.h is being included. */
1150#if !defined(S_IFIFO) && defined(_S_IFIFO)
1151# define S_IFIFO _S_IFIFO
1152#endif
1153
a0d0e21e
LW		 1154/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1155 like UTekV) are broken, sometimes giving false positives. Undefine
1156 them here and let the code below set them to proper values.
1157
1158 The ghs macro stands for GreenHills Software C-1.8.5 which
1159 is the C compiler for sysV88 and the various derivatives.
1160 This header file bug is corrected in gcc-2.5.8 and later versions.
1161 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1162
1163#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1164# undef S_ISDIR
1165# undef S_ISCHR
1166# undef S_ISBLK
1167# undef S_ISREG
1168# undef S_ISFIFO
1169# undef S_ISLNK
ee0007ab 1170#endif
135863df 1171
663a0e37
LW		 1172#ifdef I_TIME
1173# include <time.h>
ffed7fef 1174#endif
663a0e37 1175
fe14fcc3 1176#ifdef I_SYS_TIME
85e6fe83 1177# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1178# define KERNEL
1179# endif
1180# include <sys/time.h>
85e6fe83 1181# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1182# undef KERNEL
1183# endif
a687059c 1184#endif
135863df 1185
55497cff 1186#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1187# include <sys/times.h>
d9d8d8de 1188#endif
8d063cd8 1189
fe14fcc3 1190#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1191# undef HAS_STRERROR
663a0e37
LW		 1192#endif
1193
1194#include <errno.h>
1e743fda 1195
acfe0abc 1196#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1197# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1198#endif
1199
8cfab5ff
JH		 1200/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1201 * This is important for using IPv6.
1202 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1203 * a bad idea since it breaks send() and recv(). */
1204#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1205# define _SOCKADDR_LEN
1206#endif
1207
8d3f517a 1208#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1209# include <sys/socket.h>
1210# if defined(USE_SOCKS) && defined(I_SOCKS)
1211# if !defined(INCLUDE_PROTOTYPES)
1212# define INCLUDE_PROTOTYPES /* for <socks.h> */
1213# define PERL_SOCKS_NEED_PROTOTYPES
1214# endif
1215# include <socks.h>
1216# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1217# undef INCLUDE_PROTOTYPES
1218# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1219# endif
d460ef45 1220# endif
1e743fda 1221# ifdef I_NETDB
2986a63f
JH		 1222# ifdef NETWARE
1223# include<stdio.h>
1224# endif
1e743fda
JH		 1225# include <netdb.h>
1226# endif
1227# ifndef ENOTSOCK
1228# ifdef I_NET_ERRNO
1229# include <net/errno.h>
1230# endif
1231# endif
1232#endif
1233
fa0a29af 1234/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1235 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1236 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1237#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1238# if defined(__THROW) && defined(__GLIBC__)
1239int sockatmark(int) __THROW;
1240# else
2ef53570 1241int sockatmark(int);
29820b6d 1242# endif
2ef53570
JH		 1243#endif
1244
7e827271 1245#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		 1246EXTERN_C int fchdir(int);
1247EXTERN_C int flock(int, int);
1248EXTERN_C int fseeko(FILE *, off_t, int);
1249EXTERN_C off_t ftello(FILE *);
1250#endif
1251
7e827271 1252#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1253EXTERN_C char *crypt(const char *, const char *);
7e827271 1254EXTERN_C char **environ;
1ccb7c8d
JH		 1255#endif
1256
83a6ff2e 1257#if defined(__cplusplus)
944c4fda 1258# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1259EXTERN_C char **environ;
83a6ff2e 1260# elif defined(__CYGWIN__)
667e2948
SP		 1261EXTERN_C char *crypt(const char *, const char *);
1262#endif
83a6ff2e 1263#endif
667e2948 1264
1e743fda
JH		 1265#ifdef SETERRNO
1266# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1267#endif
f86702cc 1268
1269#ifdef VMS
1270# define SETERRNO(errcode,vmserrcode) \
1271 STMT_START { \
1272 set_errno(errcode); \
1273 set_vaxc_errno(vmserrcode); \
1274 } STMT_END
4ee39169
CS		 1275# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1276# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1277# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1278# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1279
93189314
JH		 1280# define LIB_INVARG LIB$_INVARG
1281# define RMS_DIR RMS$_DIR
1282# define RMS_FAC RMS$_FAC
1283# define RMS_FEX RMS$_FEX
1284# define RMS_FNF RMS$_FNF
1285# define RMS_IFI RMS$_IFI
1286# define RMS_ISI RMS$_ISI
1287# define RMS_PRV RMS$_PRV
1288# define SS_ACCVIO SS$_ACCVIO
1289# define SS_DEVOFFLINE SS$_DEVOFFLINE
1290# define SS_IVCHAN SS$_IVCHAN
1291# define SS_NORMAL SS$_NORMAL
748a9306 1292#else
aba27d88 1293# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS		 1294# define dSAVEDERRNO int saved_errno
1295# define dSAVE_ERRNO int saved_errno = errno
1296# define SAVE_ERRNO (saved_errno = errno)
1297# define RESTORE_ERRNO (errno = saved_errno)
1298
93189314
JH		 1299# define LIB_INVARG 0
1300# define RMS_DIR 0
1301# define RMS_FAC 0
1302# define RMS_FEX 0
1303# define RMS_FNF 0
1304# define RMS_IFI 0
1305# define RMS_ISI 0
1306# define RMS_PRV 0
1307# define SS_ACCVIO 0
1308# define SS_DEVOFFLINE 0
1309# define SS_IVCHAN 0
1310# define SS_NORMAL 0
748a9306 1311#endif
ed6116ce 1312
3db8f154 1313#define ERRSV GvSV(PL_errgv)
414bf5ae
MHM		 1314#ifdef PERL_CORE
1315# define DEFSV (0 + GvSVn(PL_defgv))
1316#else
1317# define DEFSV GvSVn(PL_defgv)
1318#endif
1319#define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
3db8f154 1320#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1321
98eae8f5
GS		 1322#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1323
55497cff 1324#ifndef errno
5ff3f7a4
GS		 1325 extern int errno; /* ANSI allows errno to be an lvalue expr.
1326 * For example in multithreaded environments
1327 * something like this might happen:
1328 * extern int *_errno(void);
1329 * #define errno (*_errno()) */
d9d8d8de 1330#endif
663a0e37 1331
2304df62 1332#ifdef HAS_STRERROR
a0d0e21e 1333# ifdef VMS
20ce7b12 1334 char *strerror (int,...);
a0d0e21e 1335# else
68dc0745 1336#ifndef DONT_DECLARE_STD
20ce7b12 1337 char *strerror (int);
68dc0745 1338#endif
a0d0e21e 1339# endif
2304df62
AD		 1340# ifndef Strerror
1341# define Strerror strerror
1342# endif
1343#else
1344# ifdef HAS_SYS_ERRLIST
79072805
LW		 1345 extern int sys_nerr;
1346 extern char *sys_errlist[];
2304df62
AD		 1347# ifndef Strerror
1348# define Strerror(e) \
79072805 1349 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1350# endif
79072805 1351# endif
35c8bce7 1352#endif
663a0e37 1353
2304df62 1354#ifdef I_SYS_IOCTL
79072805
LW		 1355# ifndef _IOCTL_
1356# include <sys/ioctl.h>
1357# endif
a687059c
LW		 1358#endif
1359
ee0007ab 1360#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1361# ifdef HAS_SOCKETPAIR
1362# undef HAS_SOCKETPAIR
1363# endif
2304df62
AD		 1364# ifdef I_NDBM
1365# undef I_NDBM
79072805 1366# endif
a687059c
LW		 1367#endif
1368
02fc2eee
NC		 1369#ifndef HAS_SOCKETPAIR
1370# ifdef HAS_SOCKET
1371# define socketpair Perl_my_socketpair
1372# endif
1373#endif
1374
a687059c 1375#if INTSIZE == 2
79072805
LW		 1376# define htoni htons
1377# define ntohi ntohs
a687059c 1378#else
79072805
LW		 1379# define htoni htonl
1380# define ntohi ntohl
a687059c
LW		 1381#endif
1382
a0d0e21e 1383/* Configure already sets Direntry_t */
35c8bce7 1384#if defined(I_DIRENT)
663a0e37 1385# include <dirent.h>
8f1f23e8
W		 1386 /* NeXT needs dirent + sys/dir.h */
1387# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1388# include <sys/dir.h>
1389# endif
ae986130 1390#else
fe14fcc3 1391# ifdef I_SYS_NDIR
79a0689e 1392# include <sys/ndir.h>
663a0e37 1393# else
fe14fcc3 1394# ifdef I_SYS_DIR
79a0689e
LW		 1395# ifdef hp9000s500
1396# include <ndir.h> /* may be wrong in the future */
1397# else
1398# include <sys/dir.h>
1399# endif
663a0e37
LW		 1400# endif
1401# endif
4633a7c4 1402#endif
a687059c 1403
12ae5dfc
JH		 1404#ifdef PERL_MICRO
1405# ifndef DIR
1406# define DIR void
1407# endif
1408#endif
1409
352d5a3a
LW		 1410#ifdef FPUTS_BOTCH
1411/* work around botch in SunOS 4.0.1 and 4.0.2 */
1412# ifndef fputs
79072805 1413# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1414# endif
1415#endif
1416
c623bd54
LW		 1417/*
1418 * The following gobbledygook brought to you on behalf of __STDC__.
1419 * (I could just use #ifndef __STDC__, but this is more bulletproof
1420 * in the face of half-implementations.)
1421 */
1422
7114a2d2 1423#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1424#include <sys/mode.h>
1425#endif
1426
c623bd54
LW		 1427#ifndef S_IFMT
1428# ifdef _S_IFMT
1429# define S_IFMT _S_IFMT
1430# else
1431# define S_IFMT 0170000
1432# endif
1433#endif
1434
1435#ifndef S_ISDIR
1436# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1437#endif
1438
1439#ifndef S_ISCHR
1440# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1441#endif
1442
1443#ifndef S_ISBLK
fe14fcc3
LW		 1444# ifdef S_IFBLK
1445# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1446# else
1447# define S_ISBLK(m) (0)
1448# endif
c623bd54
LW		 1449#endif
1450
1451#ifndef S_ISREG
1452# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1453#endif
1454
1455#ifndef S_ISFIFO
fe14fcc3
LW		 1456# ifdef S_IFIFO
1457# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1458# else
1459# define S_ISFIFO(m) (0)
1460# endif
c623bd54
LW		 1461#endif
1462
1463#ifndef S_ISLNK
1464# ifdef _S_ISLNK
1465# define S_ISLNK(m) _S_ISLNK(m)
1466# else
1467# ifdef _S_IFLNK
1468# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1469# else
1470# ifdef S_IFLNK
1471# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1472# else
1473# define S_ISLNK(m) (0)
1474# endif
1475# endif
1476# endif
1477#endif
1478
1479#ifndef S_ISSOCK
1480# ifdef _S_ISSOCK
1481# define S_ISSOCK(m) _S_ISSOCK(m)
1482# else
1483# ifdef _S_IFSOCK
1484# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1485# else
1486# ifdef S_IFSOCK
1487# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1488# else
1489# define S_ISSOCK(m) (0)
1490# endif
1491# endif
1492# endif
1493#endif
1494
1495#ifndef S_IRUSR
1496# ifdef S_IREAD
1497# define S_IRUSR S_IREAD
1498# define S_IWUSR S_IWRITE
1499# define S_IXUSR S_IEXEC
1500# else
1501# define S_IRUSR 0400
1502# define S_IWUSR 0200
1503# define S_IXUSR 0100
1504# endif
fac7cdfc
JS		 1505#endif
1506
1507#ifndef S_IRGRP
1508# ifdef S_IRUSR
1509# define S_IRGRP (S_IRUSR>>3)
1510# define S_IWGRP (S_IWUSR>>3)
1511# define S_IXGRP (S_IXUSR>>3)
1512# else
1513# define S_IRGRP 0040
1514# define S_IWGRP 0020
1515# define S_IXGRP 0010
1516# endif
1517#endif
1518
1519#ifndef S_IROTH
1520# ifdef S_IRUSR
1521# define S_IROTH (S_IRUSR>>6)
1522# define S_IWOTH (S_IWUSR>>6)
1523# define S_IXOTH (S_IXUSR>>6)
1524# else
1525# define S_IROTH 0040
1526# define S_IWOTH 0020
1527# define S_IXOTH 0010
1528# endif
c623bd54
LW		 1529#endif
1530
1531#ifndef S_ISUID
1532# define S_ISUID 04000
1533#endif
1534
1535#ifndef S_ISGID
1536# define S_ISGID 02000
1537#endif
1538
ca6e1c26
JH		 1539#ifndef S_IRWXU
1540# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1541#endif
ca6e1c26
JH		 1542
1543#ifndef S_IRWXG
1544# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1545#endif
ca6e1c26
JH		 1546
1547#ifndef S_IRWXO
1548# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1549#endif
ca6e1c26 1550
df00ff3b 1551/* BeOS 5.0 and Haiku R1 seem to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1552 * which would get included through <sys/file.h >, but that is 3000
1553 * lines in the future. --jhi */
1554
df00ff3b 1555#if !defined(S_IREAD) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1556# define S_IREAD S_IRUSR
1557#endif
1558
df00ff3b 1559#if !defined(S_IWRITE) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1560# define S_IWRITE S_IWUSR
1561#endif
1562
1563#ifndef S_IEXEC
1564# define S_IEXEC S_IXUSR
1565#endif
1566
79072805
LW		 1567#ifdef ff_next
1568# undef ff_next
352d5a3a
LW		 1569#endif
1570
a0d0e21e 1571#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1572# define SLOPPYDIVIDE
1573#endif
1574
748a9306
LW		 1575#ifdef UV
1576#undef UV
1577#endif
1578
c89df6bf
JH		 1579#ifdef SPRINTF_E_BUG
1580# define sprintf UTS_sprintf_wrap
1581#endif
1582
ce582cee
NC		 1583/* For the times when you want the return value of sprintf, and you want it
1584 to be the length. Can't have a thread variable passed in, because C89 has
1585 no varargs macros.
1586*/
1587#ifdef SPRINTF_RETURNS_STRLEN
1588# define my_sprintf sprintf
1589#else
1590# define my_sprintf Perl_my_sprintf
1591#endif
1592
5b692037
JH		 1593/*
1594 * If we have v?snprintf() and the C99 variadic macros, we can just
1595 * use just the v?snprintf(). It is nice to try to trap the buffer
1596 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1597 * gcc statement expressions, then use the function wrappers which try
1598 * to trap the overflow. If we can use the gcc statement expressions,
1599 * we can try that even with the version that uses the C99 variadic
1600 * macros.
5b692037
JH		 1601 */
1602
1208b3dd
JH		 1603/* Note that we do not check against snprintf()/vsnprintf() returning
1604 * negative values because that is non-standard behaviour and we use
1605 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1606 * that should be true only if the snprintf()/vsnprintf() are true
1607 * to the standard. */
1608
dfeee9b1 1609#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1610# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1611# 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 1612# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1613# else
1614# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1615# endif
1616#else
1617# define my_snprintf Perl_my_snprintf
1208b3dd 1618# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1619#endif
1620
dfeee9b1 1621#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1622# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1623# 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 1624# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1625# else
1626# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1627# endif
1628#else
1629# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1630# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1631#endif
d9fad198 1632
a6cc4119
SP		 1633#ifdef HAS_STRLCAT
1634# define my_strlcat strlcat
1635#else
1636# define my_strlcat Perl_my_strlcat
1637#endif
1638
1639#ifdef HAS_STRLCPY
1640# define my_strlcpy strlcpy
1641#else
1642# define my_strlcpy Perl_my_strlcpy
1643#endif
1644
c495e728
JH		 1645/* Configure gets this right but the UTS compiler gets it wrong.
1646 -- Hal Morris <hom00@utsglobal.com> */
1647#ifdef UTS
1648# undef UVTYPE
1649# define UVTYPE unsigned
1650#endif
1651
05f13f53 1652/*
27d4fb96 1653 The IV type is supposed to be long enough to hold any integral
1654 value or a pointer.
1655 --Andy Dougherty August 1996
1656*/
1657
a22e52b9
JH		 1658typedef IVTYPE IV;
1659typedef UVTYPE UV;
8175356b 1660
10cc9d2a 1661#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1662# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1663# define IV_MAX INT64_MAX
1664# define IV_MIN INT64_MIN
1665# define UV_MAX UINT64_MAX
cae7ae48
JH		 1666# ifndef UINT64_MIN
1667# define UINT64_MIN 0
1668# endif
5ff3f7a4
GS		 1669# define UV_MIN UINT64_MIN
1670# else
1671# define IV_MAX PERL_QUAD_MAX
1672# define IV_MIN PERL_QUAD_MIN
1673# define UV_MAX PERL_UQUAD_MAX
1674# define UV_MIN PERL_UQUAD_MIN
1675# endif
cf2093f6
JH		 1676# define IV_IS_QUAD
1677# define UV_IS_QUAD
79072805 1678#else
8175356b 1679# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1680# define IV_MAX INT32_MAX
1681# define IV_MIN INT32_MIN
716026f9
DL		 1682# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1683# define UV_MAX UINT32_MAX
1684# else
1685# define UV_MAX 4294967295U
1686# endif
cae7ae48
JH		 1687# ifndef UINT32_MIN
1688# define UINT32_MIN 0
1689# endif
5ff3f7a4
GS		 1690# define UV_MIN UINT32_MIN
1691# else
1692# define IV_MAX PERL_LONG_MAX
1693# define IV_MIN PERL_LONG_MIN
1694# define UV_MAX PERL_ULONG_MAX
1695# define UV_MIN PERL_ULONG_MIN
1696# endif
8175356b 1697# if IVSIZE == 8
cf2093f6
JH		 1698# define IV_IS_QUAD
1699# define UV_IS_QUAD
de1c2614
JH		 1700# ifndef HAS_QUAD
1701# define HAS_QUAD
1702# endif
cf2093f6
JH		 1703# else
1704# undef IV_IS_QUAD
1705# undef UV_IS_QUAD
de1c2614 1706# undef HAS_QUAD
cf2093f6 1707# endif
79072805 1708#endif
d7d93a81 1709
1109a392
MHM		 1710#ifndef HAS_QUAD
1711# undef PERL_NEED_MY_HTOLE64
1712# undef PERL_NEED_MY_LETOH64
1713# undef PERL_NEED_MY_HTOBE64
1714# undef PERL_NEED_MY_BETOH64
1715#endif
1716
6cde8aec 1717#if defined(uts) || defined(UTS)
11afe549
HM		 1718# undef UV_MAX
1719# define UV_MAX (4294967295u)
20601011
JH		 1720#endif
1721
cae7ae48 1722#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1723#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1724
28e5dec8 1725#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1726#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1727#endif
1728
d460ef45 1729/*
26bb67e2
JH		 1730 * The macros INT2PTR and NUM2PTR are (despite their names)
1731 * bi-directional: they will convert int/float to or from pointers.
1732 * However the conversion to int/float are named explicitly:
1733 * PTR2IV, PTR2UV, PTR2NV.
1734 *
1735 * For int conversions we do not need two casts if pointers are
1736 * the same size as IV and UV. Otherwise we need an explicit
1737 * cast (PTRV) to avoid compiler warnings.
1738 */
56431972
RB		 1739#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1740# define PTRV UV
1741# define INT2PTR(any,d) (any)(d)
1742#else
d460ef45 1743# if PTRSIZE == LONGSIZE
56431972 1744# define PTRV unsigned long
e91e3b10 1745# define PTR2ul(p) (unsigned long)(p)
42718184 1746# else
56431972 1747# define PTRV unsigned
42718184 1748# endif
e91e3b10
RB		 1749#endif
1750
1751#ifndef INT2PTR
56431972 1752# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1753#endif
e91e3b10
RB		 1754
1755#ifndef PTR2ul
1756# define PTR2ul(p) INT2PTR(unsigned long,p)
1757#endif
1758
56431972
RB		 1759#define NUM2PTR(any,d) (any)(PTRV)(d)
1760#define PTR2IV(p) INT2PTR(IV,p)
1761#define PTR2UV(p) INT2PTR(UV,p)
1762#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1763#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1764
8141890a
JH		 1765/* According to strict ANSI C89 one cannot freely cast between
1766 * data pointers and function (code) pointers. There are at least
1767 * two ways around this. One (used below) is to do two casts,
1768 * first the other pointer to an (unsigned) integer, and then
1769 * the integer to the other pointer. The other way would be
1770 * to use unions to "overlay" the pointers. For an example of
1771 * the latter technique, see union dirpu in struct xpvio in sv.h.
1772 * The only feasible use is probably temporarily storing
1773 * function pointers in a data pointer (such as a void pointer). */
1774
e91e3b10
RB		 1775#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1776#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1777
65202027 1778#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1779# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1780# define LONG_DOUBLE_EQUALS_DOUBLE
1781# endif
68d4903c 1782# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1783# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1784# endif
1785#endif
1786
2d4389e4
JH		 1787#ifdef OVR_DBL_DIG
1788/* Use an overridden DBL_DIG */
1789# ifdef DBL_DIG
1790# undef DBL_DIG
1791# endif
1792# define DBL_DIG OVR_DBL_DIG
1793#else
1794/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1795 default value for printing floating point numbers in Gconvert
1796 (see config.h). (It also has other uses, such as figuring out if
1797 a given precision of printing can be done with a double instead of
1798 a long double - Allen).
2d4389e4
JH		 1799*/
1800#ifdef I_LIMITS
1801#include <limits.h>
1802#endif
1803#ifdef I_FLOAT
1804#include <float.h>
1805#endif
1806#ifndef HAS_DBL_DIG
1807#define DBL_DIG 15 /* A guess that works lots of places */
1808#endif
1809#endif
1810
1811#ifdef OVR_LDBL_DIG
1812/* Use an overridden LDBL_DIG */
1813# ifdef LDBL_DIG
1814# undef LDBL_DIG
1815# endif
1816# define LDBL_DIG OVR_LDBL_DIG
1817#else
1818/* The following is all to get LDBL_DIG, in order to pick a nice
1819 default value for printing floating point numbers in Gconvert.
1820 (see config.h)
1821*/
68d4903c
JH		 1822# ifdef I_LIMITS
1823# include <limits.h>
1824# endif
1825# ifdef I_FLOAT
1826# include <float.h>
1827# endif
1828# ifndef HAS_LDBL_DIG
1829# if LONG_DOUBLESIZE == 10
1830# define LDBL_DIG 18 /* assume IEEE */
1831# else
1832# if LONG_DOUBLESIZE == 12
1833# define LDBL_DIG 18 /* gcc? */
1834# else
1835# if LONG_DOUBLESIZE == 16
1836# define LDBL_DIG 33 /* assume IEEE */
1837# else
1838# if LONG_DOUBLESIZE == DOUBLESIZE
1839# define LDBL_DIG DBL_DIG /* bummer */
1840# endif
1841# endif
1842# endif
1843# endif
1844# endif
2d4389e4
JH		 1845#endif
1846
20f6aaab
AS		 1847/*
1848 * This is for making sure we have a good DBL_MAX value, if possible,
1849 * either for usage as NV_MAX or for usage in figuring out if we can
1850 * fit a given long double into a double, if bug-fixing makes it
1851 * necessary to do so. - Allen <allens@cpan.org>
1852 */
1853
205f51d8
AS		 1854#ifdef I_LIMITS
1855# include <limits.h>
20f6aaab
AS		 1856#endif
1857
205f51d8
AS		 1858#ifdef I_VALUES
1859# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1860# include <values.h>
1861# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1862# define DBL_MAX MAXDOUBLE
1863# endif
1864# if defined(MINDOUBLE) && !defined(DBL_MIN)
1865# define DBL_MIN MINDOUBLE
1866# endif
1867# endif
1868#endif /* defined(I_VALUES) */
1869
a22e52b9 1870typedef NVTYPE NV;
8175356b 1871
792d8dab
JH		 1872#ifdef I_IEEEFP
1873# include <ieeefp.h>
1874#endif
923fc586 1875
65202027 1876#ifdef USE_LONG_DOUBLE
923fc586
JH		 1877# ifdef I_SUNMATH
1878# include <sunmath.h>
1879# endif
2d4389e4 1880# define NV_DIG LDBL_DIG
d6c14000
JH		 1881# ifdef LDBL_MANT_DIG
1882# define NV_MANT_DIG LDBL_MANT_DIG
1883# endif
06fc1729
JH		 1884# ifdef LDBL_MIN
1885# define NV_MIN LDBL_MIN
1886# endif
1887# ifdef LDBL_MAX
1888# define NV_MAX LDBL_MAX
1889# endif
1890# ifdef LDBL_MIN_10_EXP
1891# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1892# endif
1893# ifdef LDBL_MAX_10_EXP
1894# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1895# endif
1896# ifdef LDBL_EPSILON
1897# define NV_EPSILON LDBL_EPSILON
1898# endif
f4a14a62
JH		 1899# ifdef LDBL_MAX
1900# define NV_MAX LDBL_MAX
20f6aaab 1901/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1902# else
1903# ifdef HUGE_VALL
1904# define NV_MAX HUGE_VALL
1905# else
1906# ifdef HUGE_VAL
1907# define NV_MAX ((NV)HUGE_VAL)
1908# endif
1909# endif
1910# endif
68d4903c 1911# ifdef HAS_SQRTL
68d4903c
JH		 1912# define Perl_cos cosl
1913# define Perl_sin sinl
1914# define Perl_sqrt sqrtl
1915# define Perl_exp expl
1916# define Perl_log logl
1917# define Perl_atan2 atan2l
1918# define Perl_pow powl
1919# define Perl_floor floorl
1bbae031 1920# define Perl_ceil ceill
68d4903c
JH		 1921# define Perl_fmod fmodl
1922# endif
a3540c92
JH		 1923/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1924# ifdef HAS_MODFL
1925# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1926/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1927 prototype in <math.h> */
1928# ifndef HAS_MODFL_PROTO
a221a8a5 1929EXTERN_C long double modfl(long double, long double *);
51997bc3 1930# endif
03476e8e
JH		 1931# else
1932# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1933 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1934# define Perl_modf(x,y) Perl_my_modfl(x,y)
1935# endif
a3540c92
JH		 1936# endif
1937# ifdef HAS_FREXPL
dff3e0b8 1938# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1939# else
1940# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1941 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1942# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1943# endif
a3540c92 1944# endif
38dbb4c5 1945# ifndef Perl_isnan
758a5d79
JH		 1946# ifdef HAS_ISNANL
1947# define Perl_isnan(x) isnanl(x)
1948# endif
1949# endif
1950# ifndef Perl_isinf
1951# ifdef HAS_FINITEL
1952# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1953# endif
1954# endif
65202027 1955#else
2d4389e4 1956# define NV_DIG DBL_DIG
d6c14000
JH		 1957# ifdef DBL_MANT_DIG
1958# define NV_MANT_DIG DBL_MANT_DIG
1959# endif
06fc1729
JH		 1960# ifdef DBL_MIN
1961# define NV_MIN DBL_MIN
1962# endif
1963# ifdef DBL_MAX
1964# define NV_MAX DBL_MAX
1965# endif
1966# ifdef DBL_MIN_10_EXP
1967# define NV_MIN_10_EXP DBL_MIN_10_EXP
1968# endif
1969# ifdef DBL_MAX_10_EXP
1970# define NV_MAX_10_EXP DBL_MAX_10_EXP
1971# endif
1972# ifdef DBL_EPSILON
1973# define NV_EPSILON DBL_EPSILON
1974# endif
205f51d8 1975# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1976# define NV_MAX DBL_MAX
1977# define NV_MIN DBL_MIN
1978# else
1979# ifdef HUGE_VAL
1980# define NV_MAX HUGE_VAL
1981# endif
1982# endif
65202027
DS		 1983# define Perl_cos cos
1984# define Perl_sin sin
1985# define Perl_sqrt sqrt
1986# define Perl_exp exp
1987# define Perl_log log
1988# define Perl_atan2 atan2
1989# define Perl_pow pow
1990# define Perl_floor floor
1bbae031 1991# define Perl_ceil ceil
65202027 1992# define Perl_fmod fmod
a3540c92 1993# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1994# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1995#endif
1996
1997/* rumor has it that Win32 has _fpclass() */
1998
205f51d8
AS		 1999/* SGI has fpclassl... but not with the same result values,
2000 * and it's via a typedef (not via #define), so will need to redo Configure
2001 * to use. Not worth the trouble, IMO, at least until the below is used
2002 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
2003 * with me for the SGI manpages, SGI testing, etcetera, if you want to
2004 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
2005
758a5d79
JH		 2006#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2007# ifdef I_IEEFP
2008# include <ieeefp.h>
2009# endif
2010# ifdef I_FP
2011# include <fp.h>
2012# endif
2013# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2014# define Perl_fp_class() fpclassl(x)
2015# else
2016# define Perl_fp_class() fpclass(x)
2017# endif
2018# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2019# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2020# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2021# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2022# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2023# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2024# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2025# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2026# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2027# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2028# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2029# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2030# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2031# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2032# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2033#endif
2034
7114a2d2 2035#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2036# include <math.h>
2037# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2038# include <fp_class.h>
2039# endif
2040# define Perl_fp_class(x) fp_class(x)
2041# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2042# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2043# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2044# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2045# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2046# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2047# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2048# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2049# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2050# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2051# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2052# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2053# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2054# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2055# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2056#endif
2057
2058#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2059# include <math.h>
2060# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2061# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2062# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2063# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2064# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2065# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2066#endif
2067
2068#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2069# include <math.h>
2070# ifndef _cplusplus
2071# define Perl_fp_class(x) class(x)
2072# else
2073# define Perl_fp_class(x) _class(x)
2074# endif
2075# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2076# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2077# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2078# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2079# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2080# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2081# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2082# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2083# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2084# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2085# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2086# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2087# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2088# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2089# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2090#endif
2091
2092/* rumor has it that Win32 has _isnan() */
2093
2094#ifndef Perl_isnan
a3540c92 2095# ifdef HAS_ISNAN
758a5d79
JH		 2096# define Perl_isnan(x) isnan((NV)x)
2097# else
2098# ifdef Perl_fp_class_nan
2099# define Perl_isnan(x) Perl_fp_class_nan(x)
2100# else
2101# ifdef HAS_UNORDERED
2102# define Perl_isnan(x) unordered((x), 0.0)
2103# else
2104# define Perl_isnan(x) ((x)!=(x))
2105# endif
2106# endif
2107# endif
2108#endif
2109
ca6c63e1
JH		 2110#ifdef UNDER_CE
2111int isnan(double d);
2112#endif
2113
758a5d79
JH		 2114#ifndef Perl_isinf
2115# ifdef HAS_ISINF
2116# define Perl_isinf(x) isinf((NV)x)
a3540c92 2117# else
758a5d79
JH		 2118# ifdef Perl_fp_class_inf
2119# define Perl_isinf(x) Perl_fp_class_inf(x)
2120# else
2121# define Perl_isinf(x) ((x)==NV_INF)
2122# endif
2123# endif
2124#endif
2125
2126#ifndef Perl_isfinite
2127# ifdef HAS_FINITE
2128# define Perl_isfinite(x) finite((NV)x)
2129# else
2130# ifdef HAS_ISFINITE
2131# define Perl_isfinite(x) isfinite(x)
2132# else
2133# ifdef Perl_fp_class_finite
2134# define Perl_isfinite(x) Perl_fp_class_finite(x)
2135# else
2136# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2137# endif
2138# endif
a3540c92 2139# endif
65202027
DS		 2140#endif
2141
a36244b7
JH		 2142/* The default is to use Perl's own atof() implementation (in numeric.c).
2143 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2144 * it is however best to use the native implementation of atof.
2145 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2146 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2147 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2148 * you may need to be using a different function than atof! */
a36244b7
JH		 2149
2150#ifndef USE_PERL_ATOF
2151# ifndef _UNICOS
2152# define USE_PERL_ATOF
2153# endif
2154#else
2155# if USE_PERL_ATOF == 0
2156# undef USE_PERL_ATOF
2157# endif
2158#endif
2159
2160#ifdef USE_PERL_ATOF
2161# define Perl_atof(s) Perl_my_atof(s)
2162# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2163#else
2164# define Perl_atof(s) (NV)atof(s)
2165# define Perl_atof2(s, n) ((n) = atof(s))
2166#endif
cf2093f6 2167
d460ef45 2168/* Previously these definitions used hardcoded figures.
760ac839
LW		 2169 * It is hoped these formula are more portable, although
2170 * no data one way or another is presently known to me.
2171 * The "PERL_" names are used because these calculated constants
2172 * do not meet the ANSI requirements for LONG_MAX, etc., which
2173 * need to be constants acceptable to #if - kja
2174 * define PERL_LONG_MAX 2147483647L
2175 * define PERL_LONG_MIN (-LONG_MAX - 1)
2176 * define PERL ULONG_MAX 4294967295L
2177 */
2178
2179#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2180# include <limits.h>
760ac839 2181#endif
205f51d8
AS		 2182/* Included values.h above if necessary; still including limits.h down here,
2183 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2184
99abf803 2185/*
2186 * Try to figure out max and min values for the integral types. THE CORRECT
2187 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2188 * following hacks are used if neither limits.h or values.h provide them:
2189 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2190 * for types < int: (unsigned TYPE)~(unsigned)0
2191 * The argument to ~ must be unsigned so that later signed->unsigned
2192 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2193 * and it must not be smaller than int because ~ does integral promotion.
2194 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2195 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2196 * The latter is a hack which happens to work on some machines but
2197 * does *not* catch any random system, or things like integer types
2198 * with NaN if that is possible.
2199 *
2200 * All of the types are explicitly cast to prevent accidental loss of
2201 * numeric range, and in the hope that they will be less likely to confuse
2202 * over-eager optimizers.
2203 *
2204 */
27d4fb96 2205
99abf803 2206#define PERL_UCHAR_MIN ((unsigned char)0)
2207
2208#ifdef UCHAR_MAX
2209# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2210#else
99abf803 2211# ifdef MAXUCHAR
2212# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2213# else
99abf803 2214# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2215# endif
2216#endif
d460ef45 2217
99abf803 2218/*
2219 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2220 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2221 * depending on local options. Until Configure detects this (or at least
2222 * detects whether the "signed" keyword is available) the CHAR ranges
2223 * will not be included. UCHAR functions normally.
2224 * - kja
2225 */
27d4fb96 2226
99abf803 2227#define PERL_USHORT_MIN ((unsigned short)0)
2228
2229#ifdef USHORT_MAX
2230# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2231#else
99abf803 2232# ifdef MAXUSHORT
2233# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2234# else
ef2f54b0
CB		 2235# ifdef USHRT_MAX
2236# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2237# else
2238# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2239# endif
27d4fb96 2240# endif
2241#endif
2242
27d4fb96 2243#ifdef SHORT_MAX
99abf803 2244# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2245#else
2246# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2247# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2248# else
ef2f54b0
CB		 2249# ifdef SHRT_MAX
2250# define PERL_SHORT_MAX ((short)SHRT_MAX)
2251# else
2252# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2253# endif
27d4fb96 2254# endif
2255#endif
2256
2257#ifdef SHORT_MIN
99abf803 2258# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2259#else
2260# ifdef MINSHORT
99abf803 2261# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2262# else
ef2f54b0
CB		 2263# ifdef SHRT_MIN
2264# define PERL_SHORT_MIN ((short)SHRT_MIN)
2265# else
2266# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2267# endif
27d4fb96 2268# endif
2269#endif
2270
99abf803 2271#ifdef UINT_MAX
2272# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2273#else
99abf803 2274# ifdef MAXUINT
2275# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2276# else
99abf803 2277# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2278# endif
2279#endif
2280
99abf803 2281#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2282
2283#ifdef INT_MAX
99abf803 2284# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2285#else
2286# ifdef MAXINT /* Often used in <values.h> */
99abf803 2287# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2288# else
99abf803 2289# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2290# endif
2291#endif
2292
2293#ifdef INT_MIN
99abf803 2294# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2295#else
2296# ifdef MININT
99abf803 2297# define PERL_INT_MIN ((int)MININT)
27d4fb96 2298# else
2299# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2300# endif
2301#endif
2302
99abf803 2303#ifdef ULONG_MAX
2304# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2305#else
99abf803 2306# ifdef MAXULONG
2307# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2308# else
99abf803 2309# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2310# endif
2311#endif
2312
99abf803 2313#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2314
760ac839 2315#ifdef LONG_MAX
99abf803 2316# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2317#else
2318# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2319# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2320# else
99abf803 2321# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2322# endif
2323#endif
2324
2325#ifdef LONG_MIN
99abf803 2326# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2327#else
2328# ifdef MINLONG
99abf803 2329# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2330# else
27d4fb96 2331# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2332# endif
2333#endif
2334
d7d93a81 2335#ifdef UV_IS_QUAD
99abf803 2336
99abf803 2337# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2338# define PERL_UQUAD_MIN ((UV)0)
99abf803 2339# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2340# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2341
79072805
LW		 2342#endif
2343
22f7c9c9
JH		 2344#ifdef MYMALLOC
2345# include "malloc_ctl.h"
2346#endif
2347
830247a4 2348struct RExC_state_t;
8e11feef 2349struct _reg_trie_data;
880b20b6 2350
ee0007ab 2351typedef MEM_SIZE STRLEN;
450a55e4 2352
598921a7
NC		 2353#ifdef PERL_MAD
2354typedef struct token TOKEN;
2355typedef struct madprop MADPROP;
2356typedef struct nexttoken NEXTTOKE;
2357#endif
79072805
LW		 2358typedef struct op OP;
2359typedef struct cop COP;
2360typedef struct unop UNOP;
2361typedef struct binop BINOP;
2362typedef struct listop LISTOP;
2363typedef struct logop LOGOP;
79072805
LW		 2364typedef struct pmop PMOP;
2365typedef struct svop SVOP;
7934575e 2366typedef struct padop PADOP;
79072805 2367typedef struct pvop PVOP;
79072805
LW		 2368typedef struct loop LOOP;
2369
cd1541b2
NC		 2370typedef struct interpreter PerlInterpreter;
2371
d2b3f365
SS		 2372/* Amdahl's <ksync.h> has struct sv */
2373/* SGI's <sys/sema.h> has struct sv */
2374#if defined(UTS) || defined(__sgi)
2375# define STRUCT_SV perl_sv
b8d3c5db
JH		 2376#else
2377# define STRUCT_SV sv
2378#endif
2379typedef struct STRUCT_SV SV;
79072805
LW		 2380typedef struct av AV;
2381typedef struct hv HV;
2382typedef struct cv CV;
288b8c02 2383typedef struct regexp ORANGE; /* This is the body structure. */
d2f13c59 2384typedef struct p5rx REGEXP;
79072805 2385typedef struct gp GP;
0c30d9ec 2386typedef struct gv GV;
8990e307 2387typedef struct io IO;
c09156bb 2388typedef struct context PERL_CONTEXT;
79072805
LW		 2389typedef struct block BLOCK;
2390
2391typedef struct magic MAGIC;
2392typedef struct xpv XPV;
2393typedef struct xpviv XPVIV;
ff68c719 2394typedef struct xpvuv XPVUV;
79072805
LW		 2395typedef struct xpvnv XPVNV;
2396typedef struct xpvmg XPVMG;
2397typedef struct xpvlv XPVLV;
2398typedef struct xpvav XPVAV;
2399typedef struct xpvhv XPVHV;
2400typedef struct xpvgv XPVGV;
2401typedef struct xpvcv XPVCV;
2402typedef struct xpvbm XPVBM;
2403typedef struct xpvfm XPVFM;
8990e307 2404typedef struct xpvio XPVIO;
79072805
LW		 2405typedef struct mgvtbl MGVTBL;
2406typedef union any ANY;
5f7fde29
GS		 2407typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2408typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2409typedef struct clone_params CLONE_PARAMS;
2410
378cc40b 2411#include "handy.h"
a0d0e21e 2412
6b8eaf93 2413#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2414# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2415# define USE_64_BIT_RAWIO /* implicit */
2416# endif
4564133c
JH		 2417#endif
2418
6b8eaf93
JH		 2419/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2420 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2421 * however, because operating systems like to do that themself. */
2422#ifndef FSEEKSIZE
2423# ifdef HAS_FSEEKO
2424# define FSEEKSIZE LSEEKSIZE
2425# else
2426# define FSEEKSIZE LONGSIZE
d460ef45 2427# endif
6b8eaf93
JH		 2428#endif
2429
2430#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2431# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2432# define USE_64_BIT_STDIO /* implicit */
2433# endif
2434#endif
4564133c 2435
09458382 2436#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2437# ifdef HAS_OFF64_T
2438# undef Off_t
2439# define Off_t off64_t
2440# undef LSEEKSIZE
2441# define LSEEKSIZE 8
5ff3f7a4 2442# endif
d9b3e12d
JH		 2443/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2444 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2445 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2446# if defined(USE_OPEN64)
2447# define open open64
5ff3f7a4 2448# endif
d9b3e12d
JH		 2449# if defined(USE_LSEEK64)
2450# define lseek lseek64
6b8eaf93
JH		 2451# else
2452# if defined(USE_LLSEEK)
2453# define lseek llseek
2454# endif
d9b3e12d
JH		 2455# endif
2456# if defined(USE_STAT64)
2457# define stat stat64
2458# endif
2459# if defined(USE_FSTAT64)
2460# define fstat fstat64
2461# endif
2462# if defined(USE_LSTAT64)
2463# define lstat lstat64
2464# endif
2465# if defined(USE_FLOCK64)
2466# define flock flock64
2467# endif
2468# if defined(USE_LOCKF64)
2469# define lockf lockf64
2470# endif
2471# if defined(USE_FCNTL64)
2472# define fcntl fcntl64
2473# endif
2474# if defined(USE_TRUNCATE64)
2475# define truncate truncate64
2476# endif
2477# if defined(USE_FTRUNCATE64)
2478# define ftruncate ftruncate64
2479# endif
2480#endif
2481
2482#ifdef USE_64_BIT_STDIO
2483# ifdef HAS_FPOS64_T
2484# undef Fpos_t
2485# define Fpos_t fpos64_t
2486# endif
2487/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2488 * will trigger defines like the ones below. Some 64-bit environments,
2489 * however, do not. */
2490# if defined(USE_FOPEN64)
2491# define fopen fopen64
2492# endif
2493# if defined(USE_FSEEK64)
6b8eaf93 2494# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2495# endif
2496# if defined(USE_FTELL64)
6b8eaf93 2497# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2498# endif
2499# if defined(USE_FSETPOS64)
2500# define fsetpos fsetpos64
2501# endif
2502# if defined(USE_FGETPOS64)
2503# define fgetpos fgetpos64
2504# endif
2505# if defined(USE_TMPFILE64)
2506# define tmpfile tmpfile64
2507# endif
2508# if defined(USE_FREOPEN64)
2509# define freopen freopen64
5ff3f7a4
GS		 2510# endif
2511#endif
2512
e37778c2 2513#if defined(OS2)
2c2d71f5
JH		 2514# include "iperlsys.h"
2515#endif
2516
6f71a643 2517#if defined(__OPEN_VM)
19848b3f
JH		 2518# include "vmesa/vmesaish.h"
2519# define ISHISH "vmesa"
6f71a643
JH		 2520#endif
2521
748a9306 2522#ifdef DOSISH
19848b3f
JH		 2523# if defined(OS2)
2524# include "os2ish.h"
2525# else
2526# include "dosish.h"
2527# endif
2528# define ISHISH "dos"
2529#endif
2530
2531#if defined(VMS)
748a9306 2532# include "vmsish.h"
96e176bf 2533# include "embed.h"
eb8433b7
NC		 2534# ifndef PERL_MAD
2535# undef op_getmad
b3f24c00 2536# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2537# endif
19848b3f
JH		 2538# define ISHISH "vms"
2539#endif
2540
2541#if defined(PLAN9)
2542# include "./plan9/plan9ish.h"
2543# define ISHISH "plan9"
2544#endif
2545
2546#if defined(MPE)
2547# include "mpeix/mpeixish.h"
2548# define ISHISH "mpeix"
2549#endif
2550
2551#if defined(__VOS__)
196918b0
PG		 2552# ifdef __GNUC__
2553# include "./vos/vosish.h"
2554# else
2555# include "vos/vosish.h"
2556# endif
19848b3f
JH		 2557# define ISHISH "vos"
2558#endif
2559
2560#if defined(EPOC)
2561# include "epocish.h"
2562# define ISHISH "epoc"
2563#endif
2564
9969cdde 2565#ifdef __SYMBIAN32__
27da23d5
JH		 2566# include "symbian/symbianish.h"
2567# include "embed.h"
eb8433b7
NC		 2568# ifndef PERL_MAD
2569# undef op_getmad
b3f24c00 2570# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2571# endif
27da23d5
JH		 2572# define ISHISH "symbian"
2573#endif
2574
19848b3f 2575
df00ff3b
IW		 2576#if defined(__HAIKU__)
2577# include "haiku/haikuish.h"
2578# define ISHISH "haiku"
2579#elif defined(__BEOS__)
efca5cc6
JH		 2580# include "beos/beosish.h"
2581# define ISHISH "beos"
2582#endif
2583
19848b3f
JH		 2584#ifndef ISHISH
2585# include "unixish.h"
2586# define ISHISH "unix"
13b6e58c
JH		 2587#endif
2588
2946a158
JH		 2589/* NSIG logic from Configure --> */
2590/* Strange style to avoid deeply-nested #if/#else/#endif */
2591#ifndef NSIG
2592# ifdef _NSIG
2593# define NSIG (_NSIG)
2594# endif
2595#endif
2596
2597#ifndef NSIG
2598# ifdef SIGMAX
2599# define NSIG (SIGMAX+1)
2600# endif
2601#endif
2602
2603#ifndef NSIG
2604# ifdef SIG_MAX
2605# define NSIG (SIG_MAX+1)
2606# endif
2607#endif
2608
2609#ifndef NSIG
2610# ifdef _SIG_MAX
2611# define NSIG (_SIG_MAX+1)
2612# endif
2613#endif
2614
2615#ifndef NSIG
2616# ifdef MAXSIG
2617# define NSIG (MAXSIG+1)
2618# endif
2619#endif
2620
2621#ifndef NSIG
2622# ifdef MAX_SIG
2623# define NSIG (MAX_SIG+1)
2624# endif
2625#endif
2626
2627#ifndef NSIG
2628# ifdef SIGARRAYSIZE
2629# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2630# endif
2631#endif
2632
2633#ifndef NSIG
2634# ifdef _sys_nsig
2635# define NSIG (_sys_nsig) /* Solaris 2.5 */
2636# endif
2637#endif
2638
2639/* Default to some arbitrary number that's big enough to get most
2640 of the common signals.
2641*/
2642#ifndef NSIG
2643# define NSIG 50
2644#endif
2645/* <-- NSIG logic from Configure */
2646
13b6e58c
JH		 2647#ifndef NO_ENVIRON_ARRAY
2648# define USE_ENVIRON_ARRAY
2649#endif
32f822de 2650
c77b533b
JH		 2651/*
2652 * initialise to avoid floating-point exceptions from overflow, etc
2653 */
2654#ifndef PERL_FPU_INIT
2655# ifdef HAS_FPSETMASK
2656# if HAS_FLOATINGPOINT_H
2657# include <floatingpoint.h>
2658# endif
ad3a8c67
NC		 2659/* Some operating systems have this as a macro, which in turn expands to a comma
2660 expression, and the last sub-expression is something that gets calculated,
2661 and then they have the gall to warn that a value computed is not used. Hence
2662 cast to void. */
2663# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2664# else
2f42fcb0 2665# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2666# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2667# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2668# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2669# else
2670# define PERL_FPU_INIT
2f42fcb0 2671
7014c407 2672# endif
c77b533b
JH		 2673# endif
2674#endif
b35112e7
CS		 2675#ifndef PERL_FPU_PRE_EXEC
2676# define PERL_FPU_PRE_EXEC {
2677# define PERL_FPU_POST_EXEC }
2678#endif
c77b533b 2679
cbec8ebe
DM		 2680#ifndef PERL_SYS_INIT3_BODY
2681# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2682#endif
2683
eb533572
DM		 2684/*
2685=for apidoc Am|void|PERL_SYS_INIT|int argc|char** argv
2686Provides system-specific tune up of the C runtime environment necessary to
2687run Perl interpreters. This should be called only once, before creating
2688any Perl interpreters.
2689
2690=for apidoc Am|void|PERL_SYS_INIT3|int argc|char** argv|char** env
2691Provides system-specific tune up of the C runtime environment necessary to
2692run Perl interpreters. This should be called only once, before creating
2693any Perl interpreters.
2694
2695=for apidoc Am|void|PERL_SYS_TERM|
2696Provides system-specific clean up of the C runtime environment after
2697running Perl interpreters. This should be called only once, after
2698freeing any remaining Perl interpreters.
2699
2700=cut
2701 */
2702
cbec8ebe
DM		 2703#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2704#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2705#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2706
be708cc0
JH		 2707#ifndef PERL_WRITE_MSG_TO_CONSOLE
2708# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2709#endif
2710
0f31cffe
GS		 2711#ifndef MAXPATHLEN
2712# ifdef PATH_MAX
b990c8b2
JH		 2713# ifdef _POSIX_PATH_MAX
2714# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2715/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2716 * included the null byte or not. Later amendments of POSIX,
2717 * XPG4, the Austin Group, and the Single UNIX Specification
2718 * all explicitly include the null byte in the PATH_MAX.
2719 * Ditto for _POSIX_PATH_MAX. */
2720# define MAXPATHLEN PATH_MAX
b990c8b2 2721# else
09448d78 2722# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2723# endif
2724# else
2725# define MAXPATHLEN (PATH_MAX+1)
2726# endif
0f31cffe 2727# else
b990c8b2 2728# ifdef _POSIX_PATH_MAX
09448d78 2729# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2730# else
2731# define MAXPATHLEN 1024 /* Err on the large side. */
2732# endif
0f31cffe
GS		 2733# endif
2734#endif
2735
c80263a8
SH		 2736/* In case Configure was not used (we are using a "canned config"
2737 * such as Win32, or a cross-compilation setup, for example) try going
2738 * by the gcc major and minor versions. One useful URL is
2739 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2740 * but contrary to this information warn_unused_result seems
2741 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2742 * Also, when building extensions with an installed perl, this allows
2743 * the user to upgrade gcc and get the right attributes, rather than
2744 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2745 * Set these up now otherwise we get confused when some of the <*thread.h>
2746 * includes below indirectly pull in <perlio.h> (which needs to know if we
2747 * have HASATTRIBUTE_FORMAT).
2748 */
2749
4d7c7898 2750#ifndef PERL_MICRO
fc2007d4 2751#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2752# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2753# define HASATTRIBUTE_DEPRECATED
2754# endif
c80263a8
SH		 2755# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2756# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2757# if defined __MINGW32__
2758# define PRINTF_FORMAT_NULL_OK
2759# endif
c80263a8
SH		 2760# endif
2761# if __GNUC__ >= 3 /* 3.0 -> */
2762# define HASATTRIBUTE_MALLOC
2763# endif
2764# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2765# define HASATTRIBUTE_NONNULL
2766# endif
2767# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2768# define HASATTRIBUTE_NORETURN
2769# endif
2770# if __GNUC__ >= 3 /* gcc 3.0 -> */
2771# define HASATTRIBUTE_PURE
2772# endif
42bf5550 2773# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2774# define HASATTRIBUTE_UNUSED
2775# endif
d324fe49
AD		 2776# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2777# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2778# endif
c80263a8
SH		 2779# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2780# define HASATTRIBUTE_WARN_UNUSED_RESULT
2781# endif
2782#endif
4d7c7898 2783#endif /* #ifndef PERL_MICRO */
c80263a8 2784
3db8f154 2785/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2786 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2787 * this results in many functions being undeclared which bothers C++
2788 * May make sense to have threads after "*ish.h" anyway
2789 */
2790
3db8f154 2791#if defined(USE_ITHREADS)
2986a63f
JH		 2792# ifdef NETWARE
2793# include <nw5thread.h>
2794# else
32f822de
GS		 2795# ifdef FAKE_THREADS
2796# include "fakethr.h"
2797# else
2798# ifdef WIN32
2799# include <win32thread.h>
2800# else
dd96f567
IZ		 2801# ifdef OS2
2802# include "os2thread.h"
2803# else
7f3d1cf1 2804# ifdef I_MACH_CTHREADS
bdd66968 2805# include <mach/cthreads.h>
8f1f23e8 2806# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2807# define MUTEX_INIT_CALLS_MALLOC
2808# endif
7f3d1cf1
BH		 2809typedef cthread_t perl_os_thread;
2810typedef mutex_t perl_mutex;
2811typedef condition_t perl_cond;
2812typedef void * perl_key;
2813# else /* Posix threads */
1f5ae88c
JH		 2814# ifdef I_PTHREAD
2815# include <pthread.h>
2816# endif
7f3d1cf1
BH		 2817typedef pthread_t perl_os_thread;
2818typedef pthread_mutex_t perl_mutex;
2819typedef pthread_cond_t perl_cond;
2820typedef pthread_key_t perl_key;
2821# endif /* I_MACH_CTHREADS */
dd96f567 2822# endif /* OS2 */
32f822de
GS		 2823# endif /* WIN32 */
2824# endif /* FAKE_THREADS */
2986a63f 2825#endif /* NETWARE */
3db8f154 2826#endif /* USE_ITHREADS */
c5be433b 2827
66a93824 2828#if defined(WIN32)
1feb2720 2829# include "win32.h"
c5be433b
GS		 2830#endif
2831
2986a63f
JH		 2832#ifdef NETWARE
2833# include "netware.h"
2834#endif
2835
e5218da5 2836#define STATUS_UNIX PL_statusvalue
68dc0745 2837#ifdef VMS
6b88bc9c 2838# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2839/*
2840 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2841 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2842 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2843 * be updated also.
2844 */
2845# include <stsdef.h>
2846# include <ssdef.h>
2847/* Presume this because if VMS changes it, it will require a new
2848 * set of APIs for waiting on children for binary compatibility.
2849 */
2850# define child_offset_bits (8)
2851# ifndef C_FAC_POSIX
2852# define C_FAC_POSIX 0x35A000
2853# endif
2854
2855/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2856 * platform from the existing UNIX or Native status values.
2857 */
2858
37038d91 2859# define STATUS_EXIT \
7a7fd8e0
JM		 2860 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2861 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2862
7a7fd8e0 2863
fb38d079
JM		 2864/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2865 * exit code and shifts the UNIX value over the correct number of bits to
2866 * be a child status. Usually the number of bits is 8, but that could be
2867 * platform dependent. The NATIVE status code is presumed to have either
2868 * from a child process.
7a7fd8e0
JM		 2869 */
2870
fb38d079
JM		 2871/* This is complicated. The child processes return a true native VMS
2872 status which must be saved. But there is an assumption in Perl that
2873 the UNIX child status has some relationship to errno values, so
2874 Perl tries to translate it to text in some of the tests.
2875 In order to get the string translation correct, for the error, errno
2876 must be EVMSERR, but that generates a different text message
2877 than what the test programs are expecting. So an errno value must
2878 be derived from the native status value when an error occurs.
2879 That will hide the true native status message. With this version of
2880 perl, the true native child status can always be retrieved so that
2881 is not a problem. But in this case, Pl_statusvalue and errno may
2882 have different values in them.
2883 */
7a7fd8e0 2884
fb38d079 2885# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2886 STMT_START { \
2fbb330f
JM		 2887 I32 evalue = (I32)n; \
2888 if (evalue == EVMSERR) { \
2889 PL_statusvalue_vms = vaxc$errno; \
2890 PL_statusvalue = evalue; \
7a7fd8e0 2891 } else { \
2fbb330f 2892 PL_statusvalue_vms = evalue; \
fb38d079 2893 if (evalue == -1) { \
3280af22 2894 PL_statusvalue = -1; \
7a7fd8e0
JM		 2895 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2896 } else \
fb38d079 2897 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2898 set_vaxc_errno(evalue); \
fb38d079
JM		 2899 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2900 set_errno(EVMSERR); \
2901 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2902 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2903 } \
68dc0745 2904 } STMT_END
7a7fd8e0 2905
68dc0745 2906# ifdef VMSISH_STATUS
e5218da5 2907# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2908# else
e5218da5 2909# define STATUS_CURRENT STATUS_UNIX
68dc0745 2910# endif
7a7fd8e0
JM		 2911
2912 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2913 * the NATIVE status to an equivalent value. Can not be used to translate
2914 * exit code values as exit code values are not guaranteed to have any
2915 * relationship at all to errno values.
2916 * This is used when Perl is forcing errno to have a specific value.
2917 */
e5218da5 2918# define STATUS_UNIX_SET(n) \
68dc0745 2919 STMT_START { \
7a7fd8e0 2920 I32 evalue = (I32)n; \
0968cdad 2921 PL_statusvalue = evalue; \
3280af22 2922 if (PL_statusvalue != -1) { \
0968cdad
JM		 2923 if (PL_statusvalue != EVMSERR) { \
2924 PL_statusvalue &= 0xFFFF; \
2925 if (MY_POSIX_EXIT) \
2926 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2927 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2928 } \
2929 else { \
2930 PL_statusvalue_vms = vaxc$errno; \
2931 } \
68dc0745 2932 } \
0968cdad
JM		 2933 else PL_statusvalue_vms = SS$_ABORT; \
2934 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2935 } STMT_END
2936
2937 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 2938 * the NATIVE error status based on it.
2939 *
2940 * When in the default mode to comply with the Perl VMS documentation,
2941 * 0 is a success and any other code sets the NATIVE status to a failure
2942 * code of SS$_ABORT.
fb38d079
JM		 2943 *
2944 * In the new POSIX EXIT mode, native status will be set so that the
2945 * actual exit code will can be retrieved by the calling program or
2946 * shell.
2947 *
2948 * If the exit code is not clearly a UNIX parent or child exit status,
2949 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2950 */
2951
fb38d079 2952# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2953 STMT_START { \
2954 I32 evalue = (I32)n; \
2955 PL_statusvalue = evalue; \
e08e1e1d
JM		 2956 if (MY_POSIX_EXIT) { \
2957 if (evalue <= 0xFF00) { \
2958 if (evalue > 0xFF) \
2959 evalue = (evalue >> child_offset_bits) & 0xFF; \
2960 PL_statusvalue_vms = \
2961 (C_FAC_POSIX | (evalue << 3 ) | \
2962 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
2963 } else /* forgive them Perl, for they have sinned */ \
2964 PL_statusvalue_vms = evalue; \
2965 } else { \
2966 if (evalue == 0) \
2967 PL_statusvalue_vms = SS$_NORMAL; \
2968 else if (evalue <= 0xFF00) \
2969 PL_statusvalue_vms = SS$_ABORT; \
2970 else { /* forgive them Perl, for they have sinned */ \
2971 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2972 else PL_statusvalue_vms = vaxc$errno; \
2973 /* And obviously used a VMS status value instead of UNIX */ \
2974 PL_statusvalue = EVMSERR; \
2975 } \
2976 set_vaxc_errno(PL_statusvalue_vms); \
2977 } \
68dc0745 2978 } STMT_END
fb38d079 2979
e08e1e1d 2980
6ac6a52b
JM		 2981 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2982 * and sets the NATIVE error status based on it. This special case
2983 * is needed to maintain compatibility with past VMS behavior.
2984 *
2985 * In the default mode on VMS, this number is passed through as
2986 * both the NATIVE and UNIX status. Which makes it different
2987 * that the STATUS_UNIX_EXIT_SET.
2988 *
2989 * In the new POSIX EXIT mode, native status will be set so that the
2990 * actual exit code will can be retrieved by the calling program or
2991 * shell.
2992 *
1a3aec58
JM		 2993 * A POSIX exit code is from 0 to 255. If the exit code is higher
2994 * than this, it needs to be assumed that it is a VMS exit code and
2995 * passed through.
6ac6a52b
JM		 2996 */
2997
2998# define STATUS_EXIT_SET(n) \
2999 STMT_START { \
3000 I32 evalue = (I32)n; \
3001 PL_statusvalue = evalue; \
3002 if (MY_POSIX_EXIT) \
1a3aec58
JM		 3003 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3004 PL_statusvalue_vms = \
3005 (C_FAC_POSIX | (evalue << 3 ) | \
3006 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 3007 else \
3008 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3009 set_vaxc_errno(PL_statusvalue_vms); \
3010 } STMT_END
3011
fb38d079
JM		 3012
3013 /* This macro forces a success status */
7a7fd8e0
JM		 3014# define STATUS_ALL_SUCCESS \
3015 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 3016
3017 /* This macro forces a failure status */
7a7fd8e0
JM		 3018# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3019 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3020 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3021
68dc0745 3022#else
e5218da5 3023# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3024# if defined(WCOREDUMP)
37038d91 3025# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3026 STMT_START { \
3027 PL_statusvalue_posix = (n); \
3028 if (PL_statusvalue_posix == -1) \
3029 PL_statusvalue = -1; \
3030 else { \
3031 PL_statusvalue = \
3032 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3033 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3034 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3035 } \
3036 } STMT_END
3037# elif defined(WIFEXITED)
37038d91 3038# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3039 STMT_START { \
3040 PL_statusvalue_posix = (n); \
3041 if (PL_statusvalue_posix == -1) \
3042 PL_statusvalue = -1; \
3043 else { \
3044 PL_statusvalue = \
3045 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3046 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3047 } \
3048 } STMT_END
3049# else
37038d91 3050# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3051 STMT_START { \
3052 PL_statusvalue_posix = (n); \
3053 if (PL_statusvalue_posix == -1) \
3054 PL_statusvalue = -1; \
3055 else { \
3056 PL_statusvalue = \
3057 PL_statusvalue_posix & 0xFFFF; \
3058 } \
3059 } STMT_END
3060# endif
3061# define STATUS_UNIX_SET(n) \
68dc0745 3062 STMT_START { \
3280af22
NIS		 3063 PL_statusvalue = (n); \
3064 if (PL_statusvalue != -1) \
3065 PL_statusvalue &= 0xFFFF; \
68dc0745 3066 } STMT_END
7a7fd8e0 3067# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3068# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3069# define STATUS_CURRENT STATUS_UNIX
37038d91 3070# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3071# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3072# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3073#endif
3074
cc3604b1
GS		 3075/* flags in PL_exit_flags for nature of exit() */
3076#define PERL_EXIT_EXPECTED 0x01
31d77e54 3077#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3078
0b94c7bb 3079#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 3080# define MEMBER_TO_FPTR(name) name
3081#endif
3082
b79b76e0 3083#ifndef PERL_CORE
a7cb1f99 3084/* format to use for version numbers in file/directory names */
273cf8d1 3085/* XXX move to Configure? */
b79b76e0
NC		 3086/* This was only ever used for the current version, and that can be done at
3087 compile time, as PERL_FS_VERSION, so should we just delete it? */
3088# ifndef PERL_FS_VER_FMT
3089# define PERL_FS_VER_FMT "%d.%d.%d"
3090# endif
3091#endif
3092
3093#ifndef PERL_FS_VERSION
3094# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS		 3095#endif
3096
45bc9206 3097/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3098 * performance issue, so we allow people to disable it. Also, if
3099 * we are using stdio, there are broken implementations of fflush(NULL)
3100 * out there, Solaris being the most prominent.
45bc9206
GS		 3101 */
3102#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3103# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3104# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3105# else
3106# ifdef FFLUSH_ALL
3107# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3108# else
c5be433b 3109# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3110# endif
66fe083f 3111# endif
45bc9206
GS		 3112#endif
3113
7766f137
GS		 3114#ifndef PERL_WAIT_FOR_CHILDREN
3115# define PERL_WAIT_FOR_CHILDREN NOOP
3116#endif
3117
ba869deb 3118/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3119#ifndef PERL_SET_INTERP
3120# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3121#endif
3122
3123#ifndef PERL_GET_INTERP
3124# define PERL_GET_INTERP (PL_curinterp)
3125#endif
3126
54aff467 3127#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3128# ifdef MULTIPLICITY
ba869deb 3129# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3130# endif
ba869deb
GS		 3131# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3132#endif
3133
8896765a
RB		 3134/*
3135 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3136 All that is required is that the perl source does not
8896765a
RB		 3137 use "%-p" or "%-<number>p" or "%<number>p" formats.
3138 These formats will still work in perl code.
3139 See comments in sv.c for futher details.
3140
8896765a 3141 Robin Barker 2005-07-14
f46d31f2
RB		 3142
3143 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3144*/
8896765a
RB		 3145
3146#ifndef SVf_
63ce7bf0 3147# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3148#endif
3149
8896765a 3150#ifndef SVf
104abab4 3151# define SVf "-p"
d2560b70
RB		 3152#endif
3153
014ead4b 3154#ifndef SVf32
8896765a 3155# define SVf32 SVf_(32)
014ead4b
RB		 3156#endif
3157
3158#ifndef SVf256
8896765a
RB		 3159# define SVf256 SVf_(256)
3160#endif
3161
be2597df
MHM		 3162#define SVfARG(p) ((void*)(p))
3163
f46d31f2
RB		 3164#ifdef PERL_CORE
3165/* not used; but needed for backward compatibilty with XS code? - RMB */
3166# undef VDf
3167#else
3168# ifndef VDf
8896765a
RB		 3169# define VDf "vd"
3170# endif
014ead4b 3171#endif
170cd9e9
NC		 3172
3173#ifdef PERL_CORE
f5992bc4 3174/* not used; but needed for backward compatibilty with XS code? - RMB */
7776bb98
RB		 3175# undef UVf
3176#else
170cd9e9
NC		 3177# ifndef UVf
3178# define UVf UVuf
3179# endif
d2560b70
RB		 3180#endif
3181
879d0c72
NC		 3182#if !defined(PERL_CORE) && !defined(PERL_NO_SHORT_NAMES)
3183# if defined(PERL_IMPLICIT_CONTEXT)
3184# define pmflag(a,b) Perl_pmflag(aTHX_ a,b)
3185# else
3186# define pmflag Perl_pmflag
3187# endif
3188#endif
3189
fcdf39cf
RGS		 3190#ifdef HASATTRIBUTE_DEPRECATED
3191# define __attribute__deprecated__ __attribute__((deprecated))
3192#endif
0dbb1585
AL		 3193#ifdef HASATTRIBUTE_FORMAT
3194# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3195#endif
3196#ifdef HASATTRIBUTE_MALLOC
77785eea 3197# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3198#endif
0dbb1585 3199#ifdef HASATTRIBUTE_NONNULL
abb2c242 3200# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3201#endif
0dbb1585 3202#ifdef HASATTRIBUTE_NORETURN
abb2c242 3203# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3204#endif
0dbb1585 3205#ifdef HASATTRIBUTE_PURE
abb2c242 3206# define __attribute__pure__ __attribute__((pure))
f22be1b8 3207#endif
0dbb1585
AL		 3208#ifdef HASATTRIBUTE_UNUSED
3209# define __attribute__unused__ __attribute__((unused))
3210#endif
3211#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3212# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3213#endif
3214
0dbb1585 3215/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3216#ifndef __attribute__deprecated__
3217# define __attribute__deprecated__
3218#endif
0dbb1585
AL		 3219#ifndef __attribute__format__
3220# define __attribute__format__(x,y,z)
3221#endif
f22be1b8 3222#ifndef __attribute__malloc__
abb2c242 3223# define __attribute__malloc__
f22be1b8
JH		 3224#endif
3225#ifndef __attribute__nonnull__
abb2c242 3226# define __attribute__nonnull__(a)
f22be1b8
JH		 3227#endif
3228#ifndef __attribute__noreturn__
abb2c242 3229# define __attribute__noreturn__
f22be1b8
JH		 3230#endif
3231#ifndef __attribute__pure__
abb2c242 3232# define __attribute__pure__
f22be1b8 3233#endif
0dbb1585
AL		 3234#ifndef __attribute__unused__
3235# define __attribute__unused__
3236#endif
f22be1b8 3237#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3238# define __attribute__warn_unused_result__
3239#endif
3240
0dbb1585
AL		 3241/* For functions that are marked as __attribute__noreturn__, it's not
3242 appropriate to call return. In either case, include the lint directive.
3243 */
3244#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3245# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3246#else
b37c2d43 3247# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH		 3248#endif
3249
cdfeb707
RB		 3250/* Some OS warn on NULL format to printf */
3251#ifdef PRINTF_FORMAT_NULL_OK
3252# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3253#else
3254# define __attribute__format__null_ok__(x,y,z)
3255#endif
3256
635aebb7 3257#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3258# define EXPECT(expr,val) __builtin_expect(expr,val)
3259#else
3260# define EXPECT(expr,val) (expr)
3261#endif
3262#define LIKELY(cond) EXPECT(cond,1)
3263#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3264#ifdef HAS_BUILTIN_CHOOSE_EXPR
3265/* placeholder */
3266#endif
b37c2d43 3267
3fc1aec6 3268/* Some unistd.h's give a prototype for pause() even though
3269 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3270 below to be rejected by the compiler. Sigh.
3fc1aec6 3271*/
3272#ifdef HAS_PAUSE
3273#define Pause pause
3274#else
3275#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3276#endif
3277
3278#ifndef IOCPARM_LEN
3279# ifdef IOCPARM_MASK
61f1c44b 3280 /* on BSDish systems we're safe */
748a9306
LW		 3281# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3282# else
61f1c44b 3283# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3284 /* on Linux systems we're safe; except when we're not [perl #38223] */
3285# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3286# else
748a9306 3287 /* otherwise guess at what's safe */
61f1c44b
JVD		 3288# define IOCPARM_LEN(x) 256
3289# endif
748a9306 3290# endif
a0d0e21e
LW		 3291#endif
3292
1761cee5 3293#if defined(__CYGWIN__)
521e0776
GS		 3294/* USEMYBINMODE
3295 * This symbol, if defined, indicates that the program should
16fe6d59 3296 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3297 * that a file is in "binary" mode -- that is, that no translation
3298 * of bytes occurs on read or write operations.
3299 */
36894f0b 3300# define USEMYBINMODE /**/
77a40698 3301# include <io.h> /* for setmode() prototype */
16fe6d59 3302# define my_binmode(fp, iotype, mode) \
77a40698 3303 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3304#endif
3305
88d10794
JH		 3306#ifdef __CYGWIN__
3307void init_os_extras(void);
3308#endif
3309
cea2e8a9
GS		 3310#ifdef UNION_ANY_DEFINITION
3311UNION_ANY_DEFINITION;
3312#else
3313union any {
3314 void* any_ptr;
3315 I32 any_i32;
3316 IV any_iv;
3317 long any_long;
9febdf04 3318 bool any_bool;
c76ac1ee 3319 void (*any_dptr) (void*);
acfe0abc 3320 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3321};
3322#endif
3323
acfe0abc 3324typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3325
3326#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3327#define FILTER_DATA(idx) \
3328 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3329#define FILTER_ISREADER(idx) \
3330 (PL_parser && PL_parser->rsfp_filters \
3331 && idx >= AvFILLp(PL_parser->rsfp_filters))
3332#define PERL_FILTER_EXISTS(i) \
3333 (PL_parser && PL_parser->rsfp_filters \
3334 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3335
c5078cac
JH		 3336#if defined(_AIX) && !defined(_AIX43)
3337#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3338/* We cannot include <crypt.h> to get the struct crypt_data
3339 * because of setkey prototype problems when threading */
3340typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3341 /* From OSF, Not needed in AIX
3342 char C[28], D[28];
3343 */
3344 char E[48];
3345 char KS[16][48];
3346 char block[66];
3347 char iobuf[16];
3348} CRYPTD;
3349#endif /* threading */
3350#endif /* AIX */
3351
e37778c2 3352#if !defined(OS2)
2c2d71f5
JH		 3353# include "iperlsys.h"
3354#endif
504f80c1 3355
9c12f1e5
RGS		 3356#ifdef __LIBCATAMOUNT__
3357#undef HAS_PASSWD /* unixish.h but not unixish enough. */
3358#undef HAS_GROUP
3359#define FAKE_BIT_BUCKET
3360#endif
3361
d10dc2ae
JH		 3362/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3363 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3364 * defined by Configure, despite their names being similar to the
3365 * other defines like USE_ITHREADS. Configure in fact knows nothing
3366 * about the randomised hashes. Therefore to enable/disable the hash
3367 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3368#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3369# define USE_HASH_SEED
504f80c1
JH		 3370#endif
3371
598921a7
NC		 3372/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3373 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3374 * it's not really needed.
3375 */
3376#if defined(WIN32)
3377# define YYTOKENTYPE
3378#endif
3379#include "perly.h"
3380
3381#ifdef PERL_MAD
3382struct nexttoken {
3383 YYSTYPE next_val; /* value of next token, if any */
3384 I32 next_type; /* type of next token */
3385 MADPROP *next_mad; /* everything else about that token */
3386};
3387#endif
3388
654eccd5
JD		 3389/* macros to define bit-fields in structs. */
3390#ifndef PERL_BITFIELD8
3391# define PERL_BITFIELD8 unsigned
3392#endif
3393#ifndef PERL_BITFIELD16
3394# define PERL_BITFIELD16 unsigned
3395#endif
3396#ifndef PERL_BITFIELD32
3397# define PERL_BITFIELD32 unsigned
3398#endif
3399
79072805 3400#include "sv.h"
288b8c02 3401#include "regexp.h"
378cc40b 3402#include "util.h"
8d063cd8 3403#include "form.h"
79072805 3404#include "gv.h"
dd2155a4 3405#include "pad.h"
79072805 3406#include "cv.h"
abdd5c84 3407#include "opnames.h"
79072805 3408#include "op.h"
b3ca2e83 3409#include "hv.h"
79072805
LW		 3410#include "cop.h"
3411#include "av.h"
79072805
LW		 3412#include "mg.h"
3413#include "scope.h"
4438c4b7 3414#include "warnings.h"
a0ed51b3 3415#include "utf8.h"
8d063cd8 3416
20f4945e 3417/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM		 3418#undef _XPV_HEAD
3419#undef _XPVMG_HEAD
3420#undef _XPVCV_COMMON
7fae4e64
GS		 3421
3422typedef struct _sublex_info SUBLEXINFO;
3423struct _sublex_info {
651b5b28
NC		 3424 U8 super_state; /* lexer state to save */
3425 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3426 OP *sub_op; /* "lex_op" to use */
f06b5848
DM		 3427 char *super_bufptr; /* PL_parser->bufptr that was */
3428 char *super_bufend; /* PL_parser->bufend that was */
7fae4e64
GS		 3429};
3430
199e78b7
DM		 3431#include "parser.h"
3432
455ece5e 3433typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3434
2c2d71f5 3435struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3436struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3437
6f51351d
NC		 3438/* Keep next first in this structure, because sv_free_arenas take
3439 advantage of this to share code between the pte arenas and the SV
3440 body arenas */
5f7fde29
GS		 3441struct ptr_tbl_ent {
3442 struct ptr_tbl_ent* next;
53c1dcc0 3443 const void* oldval;
5f7fde29 3444 void* newval;
d18c6117
GS		 3445};
3446
5f7fde29
GS		 3447struct ptr_tbl {
3448 struct ptr_tbl_ent** tbl_ary;
3449 UV tbl_max;
3450 UV tbl_items;
d18c6117
GS		 3451};
3452
450a55e4 3453#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3454# define I286
3455#endif
3456
fe14fcc3
LW		 3457#if defined(htonl) && !defined(HAS_HTONL)
3458#define HAS_HTONL
ae986130 3459#endif
fe14fcc3
LW		 3460#if defined(htons) && !defined(HAS_HTONS)
3461#define HAS_HTONS
ae986130 3462#endif
fe14fcc3
LW		 3463#if defined(ntohl) && !defined(HAS_NTOHL)
3464#define HAS_NTOHL
ae986130 3465#endif
fe14fcc3
LW		 3466#if defined(ntohs) && !defined(HAS_NTOHS)
3467#define HAS_NTOHS
ae986130 3468#endif
fe14fcc3 3469#ifndef HAS_HTONL
d9d8d8de 3470#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3471#define HAS_HTONS
3472#define HAS_HTONL
3473#define HAS_NTOHS
3474#define HAS_NTOHL
a687059c
LW		 3475#define MYSWAP
3476#define htons my_swap
3477#define htonl my_htonl
3478#define ntohs my_swap
3479#define ntohl my_ntohl
3480#endif
3481#else
d9d8d8de 3482#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3483#undef HAS_HTONS
3484#undef HAS_HTONL
3485#undef HAS_NTOHS
3486#undef HAS_NTOHL
a687059c
LW		 3487#endif
3488#endif
3489
988174c1
LW		 3490/*
3491 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3492 * -DWS
3493 */
3494#if BYTEORDER != 0x1234
3495# define HAS_VTOHL
3496# define HAS_VTOHS
3497# define HAS_HTOVL
3498# define HAS_HTOVS
c67712b2 3499# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3500# define vtohl(x) ((((x)&0xFF)<<24) \
3501 +(((x)>>24)&0xFF) \
3502 +(((x)&0x0000FF00)<<8) \
3503 +(((x)&0x00FF0000)>>8) )
3504# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3505# define htovl(x) vtohl(x)
3506# define htovs(x) vtohs(x)
3507# endif
3508 /* otherwise default to functions in util.c */
2a8c3029 3509#ifndef htovs
c623ac67
GS		 3510short htovs(short n);
3511short vtohs(short n);
3512long htovl(long n);
3513long vtohl(long n);
988174c1 3514#endif
2a8c3029 3515#endif
988174c1 3516
3bb7c1b4
JH		 3517/* *MAX Plus 1. A floating point value.
3518 Hopefully expressed in a way that dodgy floating point can't mess up.
3519 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3520 is added to it
3521 May find that some broken compiler will want the value cast to I32.
3522 [after the shift, as signed >> may not be as secure as unsigned >>]
3523*/
3524#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3525#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3526/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3527 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3528 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3529*/
3530#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3531
3bb7c1b4
JH		 3532#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3533#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3534#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3535
3536/* This may look like unnecessary jumping through hoops, but converting
3537 out of range floating point values to integers *is* undefined behaviour,
3538 and it is starting to bite.
3539*/
3540#ifndef CAST_INLINE
65202027 3541#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3542#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3543#define I_V(what) (cast_iv((NV)(what)))
3544#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3545#else
3546#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3547 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3548 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3549#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3550 : ((n) < U32_MAX_P1 ? (U32) (n) \
3551 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3552#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3553 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3554 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3555#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3556 : ((n) < UV_MAX_P1 ? (UV) (n) \
3557 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3558#endif
3559
3560#define U_S(what) ((U16)U_32(what))
3561#define U_I(what) ((unsigned int)U_32(what))
3562#define U_L(what) U_32(what)
ed6116ce 3563
ed140128
AD		 3564#ifdef HAS_SIGNBIT
3565# define Perl_signbit signbit
3566#endif
3567
2d4389e4
JH		 3568/* These do not care about the fractional part, only about the range. */
3569#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3570#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3571
25da4f38
IZ		 3572/* Used with UV/IV arguments: */
3573 /* XXXX: need to speed it up */
3574#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3575#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3576
352d5a3a
LW		 3577#ifndef MAXSYSFD
3578# define MAXSYSFD 2
3579#endif
ee0007ab 3580
79072805 3581#ifndef __cplusplus
27da23d5 3582#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3583Uid_t getuid (void);
3584Uid_t geteuid (void);
3585Gid_t getgid (void);
3586Gid_t getegid (void);
79072805 3587#endif
e1caacb4 3588#endif
8d063cd8 3589
0c30d9ec 3590#ifndef Perl_debug_log
bf49b057
GS		 3591# define Perl_debug_log PerlIO_stderr()
3592#endif
3593
3594#ifndef Perl_error_log
3595# define Perl_error_log (PL_stderrgv \
6b78add2 3596 && isGV(PL_stderrgv) \
01bb7c6d 3597 && GvIOp(PL_stderrgv) \
42de951c 3598 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3599 ? IoOFP(GvIOp(PL_stderrgv)) \
3600 : PerlIO_stderr())
0c30d9ec 3601#endif
3967c732 3602
aea4f609
DM		 3603
3604#define DEBUG_p_FLAG 0x00000001 /* 1 */
3605#define DEBUG_s_FLAG 0x00000002 /* 2 */
3606#define DEBUG_l_FLAG 0x00000004 /* 4 */
3607#define DEBUG_t_FLAG 0x00000008 /* 8 */
3608#define DEBUG_o_FLAG 0x00000010 /* 16 */
3609#define DEBUG_c_FLAG 0x00000020 /* 32 */
3610#define DEBUG_P_FLAG 0x00000040 /* 64 */
3611#define DEBUG_m_FLAG 0x00000080 /* 128 */
3612#define DEBUG_f_FLAG 0x00000100 /* 256 */
3613#define DEBUG_r_FLAG 0x00000200 /* 512 */
3614#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3615#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3616/* U is reserved for Unofficial, exploratory hacking */
3617#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3618#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3619#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3620#define DEBUG_D_FLAG 0x00008000 /* 32768 */
d2c25739 3621/* 0x00010000 is unused, used to be S */
aea4f609 3622#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3623#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3624#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3625#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3626#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3627#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3628#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 3629#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3630#define DEBUG_B_FLAG 0x02000000 /*33554432*/
3631#define DEBUG_MASK 0x03FEEFFF /* mask of all the standard flags */
aea4f609
DM		 3632
3633#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3634#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3635 that something was done? */
aea4f609 3636
bd16a5f0
IZ		 3637# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3638# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3639# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3640# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3641# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3642# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3643# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3644# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3645# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3646# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3647# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3648# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3649# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3650# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3651# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3652# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
bd16a5f0
IZ		 3653# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3654# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3655# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3656# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3657# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3658# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3659# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3660# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3661# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3662# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3663# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3664
3967c732 3665#ifdef DEBUGGING
aea4f609 3666
bd16a5f0
IZ		 3667# define DEBUG_p_TEST DEBUG_p_TEST_
3668# define DEBUG_s_TEST DEBUG_s_TEST_
3669# define DEBUG_l_TEST DEBUG_l_TEST_
3670# define DEBUG_t_TEST DEBUG_t_TEST_
3671# define DEBUG_o_TEST DEBUG_o_TEST_
3672# define DEBUG_c_TEST DEBUG_c_TEST_
3673# define DEBUG_P_TEST DEBUG_P_TEST_
3674# define DEBUG_m_TEST DEBUG_m_TEST_
3675# define DEBUG_f_TEST DEBUG_f_TEST_
3676# define DEBUG_r_TEST DEBUG_r_TEST_
3677# define DEBUG_x_TEST DEBUG_x_TEST_
3678# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3679# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3680# define DEBUG_H_TEST DEBUG_H_TEST_
3681# define DEBUG_X_TEST DEBUG_X_TEST_
3682# define DEBUG_D_TEST DEBUG_D_TEST_
bd16a5f0
IZ		 3683# define DEBUG_T_TEST DEBUG_T_TEST_
3684# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3685# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3686# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3687# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3688# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3689# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3690# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3691# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC		 3692# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3693# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
aea4f609 3694
488b0c7a
JH		 3695# define PERL_DEB(a) a
3696# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3697# define DEBUG_p(a) if (DEBUG_p_TEST) a
3698# define DEBUG_s(a) if (DEBUG_s_TEST) a
3699# define DEBUG_l(a) if (DEBUG_l_TEST) a
3700# define DEBUG_t(a) if (DEBUG_t_TEST) a
3701# define DEBUG_o(a) if (DEBUG_o_TEST) a
3702# define DEBUG_c(a) if (DEBUG_c_TEST) a
3703# define DEBUG_P(a) if (DEBUG_P_TEST) a
3704
969058bb
VK		 3705 /* Temporarily turn off memory debugging in case the a
3706 * does memory allocation, either directly or indirectly. */
acfe0abc 3707# define DEBUG_m(a) \
0b250b9e 3708 STMT_START { \
aea4f609 3709 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3710 } STMT_END
aea4f609 3711
5f80b19c
AMS		 3712# define DEBUG__(t, a) \
3713 STMT_START { \
3714 if (t) STMT_START {a;} STMT_END; \
3715 } STMT_END
3716
3717# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3718#ifndef PERL_EXT_RE_BUILD
5f80b19c 3719# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3720#else
3721# define DEBUG_r(a) STMT_START {a;} STMT_END
3722#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3723# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3724# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3725# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3726# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3727# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3728# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3729# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3730# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
aea4f609 3731
5f80b19c
AMS		 3732# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3733# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3734# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3735# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3736# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3737# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3738# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3739# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM		 3740
3741#else /* DEBUGGING */
3742
3743# define DEBUG_p_TEST (0)
3744# define DEBUG_s_TEST (0)
3745# define DEBUG_l_TEST (0)
3746# define DEBUG_t_TEST (0)
3747# define DEBUG_o_TEST (0)
3748# define DEBUG_c_TEST (0)
3749# define DEBUG_P_TEST (0)
3750# define DEBUG_m_TEST (0)
3751# define DEBUG_f_TEST (0)
3752# define DEBUG_r_TEST (0)
3753# define DEBUG_x_TEST (0)
3754# define DEBUG_u_TEST (0)
88d2d28a 3755# define DEBUG_U_TEST (0)
aea4f609
DM		 3756# define DEBUG_H_TEST (0)
3757# define DEBUG_X_TEST (0)
3758# define DEBUG_D_TEST (0)
aea4f609 3759# define DEBUG_T_TEST (0)
04932ac8 3760# define DEBUG_R_TEST (0)
1045810a 3761# define DEBUG_J_TEST (0)
d6721266 3762# define DEBUG_v_TEST (0)
46187eeb 3763# define DEBUG_C_TEST (0)
ecae49c0
NC		 3764# define DEBUG_A_TEST (0)
3765# define DEBUG_q_TEST (0)
d7c0d282 3766# define DEBUG_M_TEST (0)
cc8773c0 3767# define DEBUG_B_TEST (0)
7949c6f5
JC		 3768# define DEBUG_Xv_TEST (0)
3769# define DEBUG_Uv_TEST (0)
aea4f609 3770
488b0c7a
JH		 3771# define PERL_DEB(a)
3772# define PERL_DEBUG(a)
aea4f609
DM		 3773# define DEBUG_p(a)
3774# define DEBUG_s(a)
3775# define DEBUG_l(a)
3776# define DEBUG_t(a)
3777# define DEBUG_o(a)
3778# define DEBUG_c(a)
3779# define DEBUG_P(a)
3780# define DEBUG_m(a)
3781# define DEBUG_f(a)
3782# define DEBUG_r(a)
3783# define DEBUG_x(a)
3784# define DEBUG_u(a)
88d2d28a 3785# define DEBUG_U(a)
aea4f609
DM		 3786# define DEBUG_H(a)
3787# define DEBUG_X(a)
3788# define DEBUG_D(a)
aea4f609 3789# define DEBUG_T(a)
04932ac8 3790# define DEBUG_R(a)
d6721266 3791# define DEBUG_v(a)
46187eeb 3792# define DEBUG_C(a)
ecae49c0
NC		 3793# define DEBUG_A(a)
3794# define DEBUG_q(a)
d7c0d282 3795# define DEBUG_M(a)
cc8773c0 3796# define DEBUG_B(a)
7949c6f5
JC		 3797# define DEBUG_Xv(a)
3798# define DEBUG_Uv(a)
aea4f609
DM		 3799#endif /* DEBUGGING */
3800
3801
b4ab917c
DM		 3802#define DEBUG_SCOPE(where) \
3803 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3804 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM		 3805
3806
3807
3808
d1be9408 3809/* These constants should be used in preference to raw characters
14befaf4
DM		 3810 * when using magic. Note that some perl guts still assume
3811 * certain character properties of these constants, namely that
3812 * isUPPER() and toLOWER() may do useful mappings.
3813 *
3814 * Update the magic_names table in dump.c when adding/amending these
3815 */
3816
3817#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3818#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3819#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3820#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3821#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3822#define PERL_MAGIC_regdata 'D' /* Regex match position data
3823 (@+ and @- vars) */
3824#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3825#define PERL_MAGIC_env 'E' /* %ENV hash */
3826#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3827#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3828#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
b3ca2e83
NC		 3829#define PERL_MAGIC_hints 'H' /* %^H hash */
3830#define PERL_MAGIC_hintselem 'h' /* %^H hash element */
14befaf4
DM		 3831#define PERL_MAGIC_isa 'I' /* @ISA array */
3832#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3833#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3834#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3835#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3836#define PERL_MAGIC_shared 'N' /* Shared between threads */
3837#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3838#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3839#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3840#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3841#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3842#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3843#define PERL_MAGIC_sig 'S' /* %SIG hash */
3844#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3845#define PERL_MAGIC_taint 't' /* Taintedness */
3846#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3847#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3848#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3849#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3850#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3851#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3852#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3853 smart parameter vivification */
14befaf4
DM		 3854#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3855#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3856#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3857#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3858#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3859#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM		 3860#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3861
de84dc04
NC		 3862#if defined(DEBUGGING) && defined(I_ASSERT)
3863# include <assert.h>
3864#endif
3865
3866/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3867 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3868
de84dc04 3869#define Perl_assert(what) PERL_DEB( \
2b057284 3870 ((what) ? ((void) 0) : \
67eb4d30 3871 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3872 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3873 (void) 0)))
de84dc04
NC		 3874
3875#ifndef assert
3876# define assert(what) Perl_assert(what)
a446a88f 3877#endif
8d063cd8 3878
450a55e4 3879struct ufuncs {
24f81a43
DM		 3880 I32 (*uf_val)(pTHX_ IV, SV*);
3881 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3882 IV uf_index;
450a55e4
LW		 3883};
3884
14befaf4 3885/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3886 * XS code wanting to be backward compatible can do something
3887 * like the following:
c745e42c 3888
24f81a43 3889#ifndef PERL_MG_UFUNC
24f81a43
DM		 3890#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3891#endif
3892
3893static PERL_MG_UFUNC(foo_get, index, val)
3894{
3895 sv_setsv(val, ...);
3896 return TRUE;
3897}
3898
3899-- Doug MacEachern
3900
3901*/
3902
fc9c74e6 3903#ifndef PERL_MG_UFUNC
24f81a43 3904#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3905#endif
24f81a43 3906
fe14fcc3 3907/* Fix these up for __STDC__ */
68dc0745 3908#ifndef DONT_DECLARE_STD
20ce7b12 3909char *mktemp (char*);
37bd1396 3910#ifndef atof
20ce7b12 3911double atof (const char*);
a0d0e21e 3912#endif
37bd1396 3913#endif
79072805 3914
352d5a3a 3915#ifndef STANDARD_C
fe14fcc3 3916/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3917Time_t time();
8d063cd8 3918struct tm *gmtime(), *localtime();
092bebab 3919#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3920char *(strchr)(), *(strrchr)();
3921char *(strcpy)(), *(strcat)();
3922#else
93a17b20 3923char *strchr(), *strrchr();
378cc40b 3924char *strcpy(), *strcat();
9d116dd7 3925#endif
352d5a3a 3926#endif /* ! STANDARD_C */
8d063cd8 3927
79072805
LW		 3928
3929#ifdef I_MATH
3930# include <math.h>
3931#else
32f822de 3932START_EXTERN_C
20ce7b12
GS		 3933 double exp (double);
3934 double log (double);
3935 double log10 (double);
3936 double sqrt (double);
3937 double frexp (double,int*);
3938 double ldexp (double,int);
3939 double modf (double,double*);
3940 double sin (double);
3941 double cos (double);
3942 double atan2 (double,double);
3943 double pow (double,double);
32f822de 3944END_EXTERN_C
79072805
LW		 3945#endif
3946
aa8b85de
JH		 3947#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3948# define NV_INF LDBL_INFINITY
3949#endif
3950#if !defined(NV_INF) && defined(DBL_INFINITY)
3951# define NV_INF (NV)DBL_INFINITY
3952#endif
3953#if !defined(NV_INF) && defined(INFINITY)
3954# define NV_INF (NV)INFINITY
3955#endif
3956#if !defined(NV_INF) && defined(INF)
3957# define NV_INF (NV)INF
3958#endif
3959#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3960# define NV_INF (NV)HUGE_VALL
3961#endif
3962#if !defined(NV_INF) && defined(HUGE_VAL)
3963# define NV_INF (NV)HUGE_VAL
3964#endif
3965
3966#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3967# if !defined(NV_NAN) && defined(LDBL_NAN)
3968# define NV_NAN LDBL_NAN
3969# endif
3970# if !defined(NV_NAN) && defined(LDBL_QNAN)
3971# define NV_NAN LDBL_QNAN
3972# endif
3973# if !defined(NV_NAN) && defined(LDBL_SNAN)
3974# define NV_NAN LDBL_SNAN
3975# endif
3976#endif
3977#if !defined(NV_NAN) && defined(DBL_NAN)
3978# define NV_NAN (NV)DBL_NAN
3979#endif
3980#if !defined(NV_NAN) && defined(DBL_QNAN)
3981# define NV_NAN (NV)DBL_QNAN
3982#endif
3983#if !defined(NV_NAN) && defined(DBL_SNAN)
3984# define NV_NAN (NV)DBL_SNAN
3985#endif
3986#if !defined(NV_NAN) && defined(QNAN)
3987# define NV_NAN (NV)QNAN
3988#endif
3989#if !defined(NV_NAN) && defined(SNAN)
3990# define NV_NAN (NV)SNAN
3991#endif
3992#if !defined(NV_NAN) && defined(NAN)
3993# define NV_NAN (NV)NAN
3994#endif
3995
a0d0e21e 3996#ifndef __cplusplus
8f1f23e8 3997# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3998char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3999# else
fd8cd3a3 4000# if !defined(WIN32) && !defined(VMS)
10bc17b6 4001#ifndef crypt
20ce7b12 4002char *crypt (const char*, const char*);
10bc17b6 4003#endif
5014db98 4004# endif /* !WIN32 */
8f1f23e8 4005# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 4006# ifndef DONT_DECLARE_STD
4007# ifndef getenv
20ce7b12 4008char *getenv (const char*);
26618a56 4009# endif /* !getenv */
28ca6303 4010# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 4011# ifdef _FILE_OFFSET_BITS
28ca6303 4012# if _FILE_OFFSET_BITS == 64
20ce7b12 4013Off_t lseek (int,Off_t,int);
0fc67700
JH		 4014# endif
4015# endif
bf0c440f 4016# endif
26618a56 4017# endif /* !DONT_DECLARE_STD */
10bc17b6 4018#ifndef getlogin
20ce7b12 4019char *getlogin (void);
10bc17b6 4020#endif
26618a56 4021#endif /* !__cplusplus */
79072805 4022
7a7fd8e0
JM		 4023/* Fixme on VMS. This needs to be a run-time, not build time options */
4024/* Also rename() is affected by this */
16d20bd9 4025#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 4026#define UNLINK unlnk
083639a9 4027I32 unlnk (pTHX_ const char*);
8d063cd8 4028#else
80252599 4029#define UNLINK PerlLIO_unlink
8d063cd8 4030#endif
a687059c 4031
fa0a29af
JH		 4032/* some versions of glibc are missing the setresuid() proto */
4033#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 4034int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4035#endif
fa0a29af
JH		 4036/* some versions of glibc are missing the setresgid() proto */
4037#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 4038int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4039#endif
4040
fe14fcc3 4041#ifndef HAS_SETREUID
85e6fe83
LW		 4042# ifdef HAS_SETRESUID
4043# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4044# define HAS_SETREUID
4045# endif
a687059c 4046#endif
fe14fcc3 4047#ifndef HAS_SETREGID
85e6fe83
LW		 4048# ifdef HAS_SETRESGID
4049# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4050# define HAS_SETREGID
4051# endif
a687059c 4052#endif
ee0007ab 4053
d543acb6 4054/* Sighandler_t defined in iperlsys.h */
ff68c719 4055
4056#ifdef HAS_SIGACTION
4057typedef struct sigaction Sigsave_t;
4058#else
4059typedef Sighandler_t Sigsave_t;
4060#endif
4061
ee0007ab
LW		 4062#define SCAN_DEF 0
4063#define SCAN_TR 1
4064#define SCAN_REPL 2
79072805
LW		 4065
4066#ifdef DEBUGGING
4633a7c4 4067# ifndef register
a0d0e21e
LW		 4068# define register
4069# endif
cea2e8a9 4070# define RUNOPS_DEFAULT Perl_runops_debug
79072805 4071#else
cea2e8a9 4072# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 4073#endif
4074
6cb8cb21 4075#ifdef USE_PERLIO
0934c9d9 4076EXTERN_C void PerlIO_teardown(void);
2f44961c 4077# ifdef USE_ITHREADS
6cb8cb21
RGS		 4078# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4079# define PERLIO_TERM \
4080 STMT_START { \
d0820ef1 4081 PerlIO_teardown(); \
6cb8cb21
RGS		 4082 MUTEX_DESTROY(&PL_perlio_mutex);\
4083 } STMT_END
4084# else
4085# define PERLIO_INIT
d0820ef1 4086# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 4087# endif
6b29934b
NC		 4088#else
4089# define PERLIO_INIT
4090# define PERLIO_TERM
6cb8cb21
RGS		 4091#endif
4092
18f739ee 4093#ifdef MYMALLOC
772fe5b3 4094# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 4095# define MALLOC_INIT \
4096 STMT_START { \
4097 PL_malloc_mutex = NULL; \
4098 MUTEX_INIT(&PL_malloc_mutex); \
4099 } STMT_END
4100# define MALLOC_TERM \
4101 STMT_START { \
4102 perl_mutex tmp = PL_malloc_mutex; \
4103 PL_malloc_mutex = NULL; \
4104 MUTEX_DESTROY(&tmp); \
4105 } STMT_END
4106# else
4107# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4108# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4109# endif
18f739ee
IZ		 4110#else
4111# define MALLOC_INIT
4112# define MALLOC_TERM
4113#endif
4114
cd1541b2 4115#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 4116
4117struct perl_memory_debug_header;
cd1541b2
NC		 4118struct perl_memory_debug_header {
4119 tTHX interpreter;
4120# ifdef PERL_POISON
4121 MEM_SIZE size;
cd1541b2 4122# endif
7cb608b5
NC		 4123 struct perl_memory_debug_header *prev;
4124 struct perl_memory_debug_header *next;
cd1541b2
NC		 4125};
4126
4127# define sTHX (sizeof(struct perl_memory_debug_header) + \
4128 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4129 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4130
d8fca402
NC		 4131#else
4132# define sTHX 0
cd1541b2
NC		 4133#endif
4134
7cb608b5
NC		 4135#ifdef PERL_TRACK_MEMPOOL
4136# define INIT_TRACK_MEMPOOL(header, interp) \
4137 STMT_START { \
4138 (header).interpreter = (interp); \
4139 (header).prev = (header).next = &(header); \
4140 } STMT_END
4141# else
4142# define INIT_TRACK_MEMPOOL(header, interp)
4143#endif
4144
1cd66f7c
DD		 4145#ifdef I_MALLOCMALLOC
4146/* Needed for malloc_size(), malloc_good_size() on some systems */
4147# include <malloc/malloc.h>
4148#endif
4149
ca7c1a29
NC		 4150#ifdef MYMALLOC
4151# define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
cfe52898 4152#else
e82be400
NC		 4153# ifdef HAS_MALLOC_SIZE
4154# ifdef PERL_TRACK_MEMPOOL
cfe52898
RGS		 4155# define Perl_safesysmalloc_size(where) \
4156 (malloc_size(((char *)(where)) - sTHX) - sTHX)
e82be400
NC		 4157# else
4158# define Perl_safesysmalloc_size(where) malloc_size(where)
4159# endif
4160# endif
4161# ifdef HAS_MALLOC_GOOD_SIZE
4162# ifdef PERL_TRACK_MEMPOOL
d8fca402
NC		 4163# define Perl_malloc_good_size(how_much) \
4164 (malloc_good_size((how_much) + sTHX) - sTHX)
e82be400
NC		 4165# else
4166# define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4167# endif
4168# else
d8fca402
NC		 4169/* Having this as the identity operation makes some code simpler. */
4170# define Perl_malloc_good_size(how_much) (how_much)
e82be400 4171# endif
ca7c1a29 4172#endif
b6d9d515 4173
0cb96387 4174typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 4175typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 4176typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 4177typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
eba16661 4178typedef bool (CPERLscope(*destroyable_proc_t)) (pTHX_ SV *sv);
22c35a8c 4179
940cb80d 4180/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 4181#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 4182
8f1f23e8
W		 4183/* NeXT has problems with crt0.o globals */
4184#if defined(__DYNAMIC__) && \
6239f2da 4185 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 4186# if defined(NeXT) || defined(__NeXT)
4187# include <mach-o/dyld.h>
4188# define environ (*environ_pointer)
0c30d9ec 4189EXT char *** environ_pointer;
8f1f23e8 4190# else
6239f2da 4191# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 4192# include <crt_externs.h> /* for the env array */
4193# define environ (*_NSGetEnviron())
4194# endif
0c30d9ec 4195# endif
8f1f23e8
W		 4196#else
4197 /* VMS and some other platforms don't use the environ array */
13b6e58c 4198# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 4199# if !defined(DONT_DECLARE_STD) || \
4200 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
4201 defined(__sgi) || \
d460ef45 4202 defined(__DGUX)
8f1f23e8 4203extern char ** environ; /* environment variables supplied via exec */
a6c40364 4204# endif
8f1f23e8
W		 4205# endif
4206#endif
79072805 4207
73c4f7a1
GS		 4208START_EXTERN_C
4209
79072805 4210/* handy constants */
22c35a8c 4211EXTCONST char PL_warn_uninit[]
29489e7c 4212 INIT("Use of uninitialized value%s%s%s");
22c35a8c 4213EXTCONST char PL_warn_nosemi[]
463ee0b2 4214 INIT("Semicolon seems to be missing");
22c35a8c 4215EXTCONST char PL_warn_reserved[]
463ee0b2 4216 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4217EXTCONST char PL_warn_nl[]
93a17b20 4218 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4219EXTCONST char PL_no_wrongref[]
a0d0e21e 4220 INIT("Can't use %s ref as %s ref");
22c35a8c 4221EXTCONST char PL_no_symref[]
9134ea20 4222 INIT("Can't use string (\"%.32s\"%s) as %s ref while \"strict refs\" in use");
7a5fd60d 4223EXTCONST char PL_no_symref_sv[]
9134ea20 4224 INIT("Can't use string (\"%" SVf32 "\"%s) as %s ref while \"strict refs\" in use");
22c35a8c 4225EXTCONST char PL_no_usym[]
8990e307 4226 INIT("Can't use an undefined value as %s reference");
22c35a8c 4227EXTCONST char PL_no_aelem[]
93a17b20 4228 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4229EXTCONST char PL_no_helem_sv[]
d04ff51e 4230 INIT("Modification of non-creatable hash value attempted, subscript \"%"SVf"\"");
22c35a8c 4231EXTCONST char PL_no_modify[]
93a17b20 4232 INIT("Modification of a read-only value attempted");
22c35a8c 4233EXTCONST char PL_no_mem[]
93a17b20 4234 INIT("Out of memory!\n");
22c35a8c 4235EXTCONST char PL_no_security[]
463ee0b2 4236 INIT("Insecure dependency in %s%s");
22c35a8c 4237EXTCONST char PL_no_sock_func[]
93a17b20 4238 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4239EXTCONST char PL_no_dir_func[]
93a17b20 4240 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4241EXTCONST char PL_no_func[]
93a17b20 4242 INIT("The %s function is unimplemented");
22c35a8c 4243EXTCONST char PL_no_myglob[]
952306ac 4244 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 4245EXTCONST char PL_no_localize_ref[]
4246 INIT("Can't localize through a reference");
27d5b266
JH		 4247EXTCONST char PL_memory_wrap[]
4248 INIT("panic: memory wrap");
93a17b20 4249
618b9757
NC		 4250#ifdef CSH
4251EXTCONST char PL_cshname[]
4252 INIT(CSH);
4253# define PL_cshlen (sizeof(CSH "") - 1)
4254#endif
4255
7575fa06 4256EXTCONST char PL_uuemap[65]
80252599
GS		 4257 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4258
79072805 4259#ifdef DOINIT
9444d213
NC		 4260EXTCONST char PL_uudmap[256] =
4261#include "uudmap.h"
4262;
efa50c51 4263EXTCONST char PL_bitcount[256] =
efa50c51
NC		 4264# include "bitcount.h"
4265;
27da23d5
JH		 4266EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4267EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4268#else
9444d213 4269EXTCONST char PL_uudmap[256];
efa50c51 4270EXTCONST char PL_bitcount[256];
27da23d5
JH		 4271EXTCONST char* const PL_sig_name[];
4272EXTCONST int PL_sig_num[];
79072805
LW		 4273#endif
4274
3bd709b1 4275/* fast conversion and case folding tables */
bbce6d69 4276
79072805 4277#ifdef DOINIT
9d116dd7 4278#ifdef EBCDIC
27da23d5 4279EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 4280 0, 1, 2, 3, 4, 5, 6, 7,
4281 8, 9, 10, 11, 12, 13, 14, 15,
4282 16, 17, 18, 19, 20, 21, 22, 23,
4283 24, 25, 26, 27, 28, 29, 30, 31,
4284 32, 33, 34, 35, 36, 37, 38, 39,
4285 40, 41, 42, 43, 44, 45, 46, 47,
4286 48, 49, 50, 51, 52, 53, 54, 55,
4287 56, 57, 58, 59, 60, 61, 62, 63,
4288 64, 65, 66, 67, 68, 69, 70, 71,
4289 72, 73, 74, 75, 76, 77, 78, 79,
4290 80, 81, 82, 83, 84, 85, 86, 87,
4291 88, 89, 90, 91, 92, 93, 94, 95,
4292 96, 97, 98, 99, 100, 101, 102, 103,
4293 104, 105, 106, 107, 108, 109, 110, 111,
4294 112, 113, 114, 115, 116, 117, 118, 119,
4295 120, 121, 122, 123, 124, 125, 126, 127,
4296 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4297 'H', 'I', 138, 139, 140, 141, 142, 143,
4298 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
4299 'Q', 'R', 154, 155, 156, 157, 158, 159,
4300 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
4301 'Y', 'Z', 170, 171, 172, 173, 174, 175,
4302 176, 177, 178, 179, 180, 181, 182, 183,
4303 184, 185, 186, 187, 188, 189, 190, 191,
4304 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4305 'h', 'i', 202, 203, 204, 205, 206, 207,
4306 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
4307 'q', 'r', 218, 219, 220, 221, 222, 223,
4308 224, 225, 's', 't', 'u', 'v', 'w', 'x',
4309 'y', 'z', 234, 235, 236, 237, 238, 239,
4310 240, 241, 242, 243, 244, 245, 246, 247,
4311 248, 249, 250, 251, 252, 253, 254, 255
4312};
4313#else /* ascii rather than ebcdic */
22c35a8c 4314EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4315 0, 1, 2, 3, 4, 5, 6, 7,
4316 8, 9, 10, 11, 12, 13, 14, 15,
4317 16, 17, 18, 19, 20, 21, 22, 23,
4318 24, 25, 26, 27, 28, 29, 30, 31,
4319 32, 33, 34, 35, 36, 37, 38, 39,
4320 40, 41, 42, 43, 44, 45, 46, 47,
4321 48, 49, 50, 51, 52, 53, 54, 55,
4322 56, 57, 58, 59, 60, 61, 62, 63,
4323 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4324 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4325 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4326 'x', 'y', 'z', 91, 92, 93, 94, 95,
4327 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4328 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4329 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4330 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4331 128, 129, 130, 131, 132, 133, 134, 135,
4332 136, 137, 138, 139, 140, 141, 142, 143,
4333 144, 145, 146, 147, 148, 149, 150, 151,
4334 152, 153, 154, 155, 156, 157, 158, 159,
4335 160, 161, 162, 163, 164, 165, 166, 167,
4336 168, 169, 170, 171, 172, 173, 174, 175,
4337 176, 177, 178, 179, 180, 181, 182, 183,
4338 184, 185, 186, 187, 188, 189, 190, 191,
4339 192, 193, 194, 195, 196, 197, 198, 199,
4340 200, 201, 202, 203, 204, 205, 206, 207,
4341 208, 209, 210, 211, 212, 213, 214, 215,
4342 216, 217, 218, 219, 220, 221, 222, 223,
4343 224, 225, 226, 227, 228, 229, 230, 231,
4344 232, 233, 234, 235, 236, 237, 238, 239,
4345 240, 241, 242, 243, 244, 245, 246, 247,
4346 248, 249, 250, 251, 252, 253, 254, 255
4347};
9d116dd7 4348#endif /* !EBCDIC */
79072805 4349#else
22c35a8c 4350EXTCONST unsigned char PL_fold[];
79072805
LW		 4351#endif
4352
27da23d5 4353#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4354#ifdef DOINIT
27da23d5 4355EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4356 0, 1, 2, 3, 4, 5, 6, 7,
4357 8, 9, 10, 11, 12, 13, 14, 15,
4358 16, 17, 18, 19, 20, 21, 22, 23,
4359 24, 25, 26, 27, 28, 29, 30, 31,
4360 32, 33, 34, 35, 36, 37, 38, 39,
4361 40, 41, 42, 43, 44, 45, 46, 47,
4362 48, 49, 50, 51, 52, 53, 54, 55,
4363 56, 57, 58, 59, 60, 61, 62, 63,
4364 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4365 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4366 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4367 'x', 'y', 'z', 91, 92, 93, 94, 95,
4368 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4369 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4370 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4371 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4372 128, 129, 130, 131, 132, 133, 134, 135,
4373 136, 137, 138, 139, 140, 141, 142, 143,
4374 144, 145, 146, 147, 148, 149, 150, 151,
4375 152, 153, 154, 155, 156, 157, 158, 159,
4376 160, 161, 162, 163, 164, 165, 166, 167,
4377 168, 169, 170, 171, 172, 173, 174, 175,
4378 176, 177, 178, 179, 180, 181, 182, 183,
4379 184, 185, 186, 187, 188, 189, 190, 191,
4380 192, 193, 194, 195, 196, 197, 198, 199,
4381 200, 201, 202, 203, 204, 205, 206, 207,
4382 208, 209, 210, 211, 212, 213, 214, 215,
4383 216, 217, 218, 219, 220, 221, 222, 223,
4384 224, 225, 226, 227, 228, 229, 230, 231,
4385 232, 233, 234, 235, 236, 237, 238, 239,
4386 240, 241, 242, 243, 244, 245, 246, 247,
4387 248, 249, 250, 251, 252, 253, 254, 255
4388};
4389#else
27da23d5 4390EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4391#endif
27da23d5 4392#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4393
4394#ifdef DOINIT
9d116dd7 4395#ifdef EBCDIC
27da23d5 4396EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4397 1, 2, 84, 151, 154, 155, 156, 157,
4398 165, 246, 250, 3, 158, 7, 18, 29,
4399 40, 51, 62, 73, 85, 96, 107, 118,
4400 129, 140, 147, 148, 149, 150, 152, 153,
4401 255, 6, 8, 9, 10, 11, 12, 13,
4402 14, 15, 24, 25, 26, 27, 28, 226,
4403 29, 30, 31, 32, 33, 43, 44, 45,
4404 46, 47, 48, 49, 50, 76, 77, 78,
4405 79, 80, 81, 82, 83, 84, 85, 86,
4406 87, 94, 95, 234, 181, 233, 187, 190,
4407 180, 96, 97, 98, 99, 100, 101, 102,
4408 104, 112, 182, 174, 236, 232, 229, 103,
4409 228, 226, 114, 115, 116, 117, 118, 119,
4410 120, 121, 122, 235, 176, 230, 194, 162,
4411 130, 131, 132, 133, 134, 135, 136, 137,
4412 138, 139, 201, 205, 163, 217, 220, 224,
4413 5, 248, 227, 244, 242, 255, 241, 231,
4414 240, 253, 16, 197, 19, 20, 21, 187,
4415 23, 169, 210, 245, 237, 249, 247, 239,
4416 168, 252, 34, 196, 36, 37, 38, 39,
4417 41, 42, 251, 254, 238, 223, 221, 213,
4418 225, 177, 52, 53, 54, 55, 56, 57,
4419 58, 59, 60, 61, 63, 64, 65, 66,
4420 67, 68, 69, 70, 71, 72, 74, 75,
4421 205, 208, 186, 202, 200, 218, 198, 179,
4422 178, 214, 88, 89, 90, 91, 92, 93,
4423 217, 166, 170, 207, 199, 209, 206, 204,
4424 160, 212, 105, 106, 108, 109, 110, 111,
4425 203, 113, 216, 215, 192, 175, 193, 243,
4426 172, 161, 123, 124, 125, 126, 127, 128,
4427 222, 219, 211, 195, 188, 193, 185, 184,
4428 191, 183, 141, 142, 143, 144, 145, 146
4429};
4430#else /* ascii rather than ebcdic */
22c35a8c 4431EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4432 1, 2, 84, 151, 154, 155, 156, 157,
4433 165, 246, 250, 3, 158, 7, 18, 29,
4434 40, 51, 62, 73, 85, 96, 107, 118,
4435 129, 140, 147, 148, 149, 150, 152, 153,
4436 255, 182, 224, 205, 174, 176, 180, 217,
4437 233, 232, 236, 187, 235, 228, 234, 226,
4438 222, 219, 211, 195, 188, 193, 185, 184,
4439 191, 183, 201, 229, 181, 220, 194, 162,
4440 163, 208, 186, 202, 200, 218, 198, 179,
4441 178, 214, 166, 170, 207, 199, 209, 206,
4442 204, 160, 212, 216, 215, 192, 175, 173,
4443 243, 172, 161, 190, 203, 189, 164, 230,
4444 167, 248, 227, 244, 242, 255, 241, 231,
4445 240, 253, 169, 210, 245, 237, 249, 247,
4446 239, 168, 252, 251, 254, 238, 223, 221,
4447 213, 225, 177, 197, 171, 196, 159, 4,
4448 5, 6, 8, 9, 10, 11, 12, 13,
4449 14, 15, 16, 17, 19, 20, 21, 22,
4450 23, 24, 25, 26, 27, 28, 30, 31,
4451 32, 33, 34, 35, 36, 37, 38, 39,
4452 41, 42, 43, 44, 45, 46, 47, 48,
4453 49, 50, 52, 53, 54, 55, 56, 57,
4454 58, 59, 60, 61, 63, 64, 65, 66,
4455 67, 68, 69, 70, 71, 72, 74, 75,
4456 76, 77, 78, 79, 80, 81, 82, 83,
4457 86, 87, 88, 89, 90, 91, 92, 93,
4458 94, 95, 97, 98, 99, 100, 101, 102,
4459 103, 104, 105, 106, 108, 109, 110, 111,
4460 112, 113, 114, 115, 116, 117, 119, 120,
4461 121, 122, 123, 124, 125, 126, 127, 128,
4462 130, 131, 132, 133, 134, 135, 136, 137,
4463 138, 139, 141, 142, 143, 144, 145, 146
4464};
9d116dd7 4465#endif
79072805 4466#else
22c35a8c 4467EXTCONST unsigned char PL_freq[];
79072805
LW		 4468#endif
4469
8990e307
LW		 4470#ifdef DEBUGGING
4471#ifdef DOINIT
27da23d5 4472EXTCONST char* const PL_block_type[] = {
8990e307 4473 "NULL",
d01136d6 4474 "WHEN",
8990e307 4475 "BLOCK",
0d863452 4476 "GIVEN",
d01136d6
BS		 4477 "LOOP_FOR",
4478 "LOOP_PLAIN",
4479 "LOOP_LAZYSV",
4480 "LOOP_LAZYIV",
76753e7f
NC		 4481 "SUB",
4482 "FORMAT",
4483 "EVAL",
4484 "SUBST"
8990e307
LW		 4485};
4486#else
22c35a8c 4487EXTCONST char* PL_block_type[];
8990e307
LW		 4488#endif
4489#endif
4490
b75885fd
NC		 4491/* These are all the compile time options that affect binary compatibility.
4492 Other compile time options that are binary compatible are in perl.c
4493 Both are combined for the output of perl -V
4494 However, this string will be embedded in any shared perl library, which will
4495 allow us add a comparison check in perlmain.c in the near future. */
4496#ifdef DOINIT
4497EXTCONST char PL_bincompat_options[] =
4498# ifdef DEBUG_LEAKING_SCALARS
4499 " DEBUG_LEAKING_SCALARS"
4500# endif
4501# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4502 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4503# endif
4504# ifdef FAKE_THREADS
4505 " FAKE_THREADS"
4506# endif
4507# ifdef MULTIPLICITY
4508 " MULTIPLICITY"
4509# endif
4510# ifdef MYMALLOC
4511 " MYMALLOC"
4512# endif
4513# ifdef PERL_DEBUG_READONLY_OPS
4514 " PERL_DEBUG_READONLY_OPS"
4515# endif
4516# ifdef PERL_GLOBAL_STRUCT
4517 " PERL_GLOBAL_STRUCT"
4518# endif
4519# ifdef PERL_IMPLICIT_CONTEXT
4520 " PERL_IMPLICIT_CONTEXT"
4521# endif
4522# ifdef PERL_IMPLICIT_SYS
4523 " PERL_IMPLICIT_SYS"
4524# endif
4525# ifdef PERL_MAD
4526 " PERL_MAD"
4527# endif
4528# ifdef PERL_NEED_APPCTX
4529 " PERL_NEED_APPCTX"
4530# endif
4531# ifdef PERL_NEED_TIMESBASE
4532 " PERL_NEED_TIMESBASE"
4533# endif
4534# ifdef PERL_OLD_COPY_ON_WRITE
4535 " PERL_OLD_COPY_ON_WRITE"
4536# endif
4537# ifdef PERL_POISON
4538 " PERL_POISON"
4539# endif
4540# ifdef PERL_TRACK_MEMPOOL
4541 " PERL_TRACK_MEMPOOL"
4542# endif
4543# ifdef PERL_USES_PL_PIDSTATUS
4544 " PERL_USES_PL_PIDSTATUS"
4545# endif
4546# ifdef PL_OP_SLAB_ALLOC
4547 " PL_OP_SLAB_ALLOC"
4548# endif
4549# ifdef THREADS_HAVE_PIDS
4550 " THREADS_HAVE_PIDS"
4551# endif
4552# ifdef USE_64_BIT_ALL
4553 " USE_64_BIT_ALL"
4554# endif
4555# ifdef USE_64_BIT_INT
4556 " USE_64_BIT_INT"
4557# endif
c7b392fa
NC		 4558# ifdef USE_IEEE
4559 " USE_IEEE"
4560# endif
b75885fd
NC		 4561# ifdef USE_ITHREADS
4562 " USE_ITHREADS"
4563# endif
4564# ifdef USE_LARGE_FILES
4565 " USE_LARGE_FILES"
4566# endif
4567# ifdef USE_LONG_DOUBLE
4568 " USE_LONG_DOUBLE"
4569# endif
4570# ifdef USE_PERLIO
4571 " USE_PERLIO"
4572# endif
4573# ifdef USE_REENTRANT_API
4574 " USE_REENTRANT_API"
4575# endif
4576# ifdef USE_SFIO
4577 " USE_SFIO"
4578# endif
4579# ifdef USE_SOCKS
4580 " USE_SOCKS"
4581# endif
4f575702
CB		 4582# ifdef VMS_DO_SOCKETS
4583 " VMS_DO_SOCKETS"
4584# ifdef DECCRTL_SOCKETS
4585 " DECCRTL_SOCKETS"
4586# endif
4587# endif
4588# ifdef VMS_WE_ARE_CASE_SENSITIVE
4589 " VMS_SYMBOL_CASE_AS_IS"
4590# endif
a68dd89e 4591 "";
b75885fd
NC		 4592#else
4593EXTCONST char PL_bincompat_options[];
4594#endif
4595
73c4f7a1
GS		 4596END_EXTERN_C
4597
79072805
LW		 4598/*****************************************************************************/
4599/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4600/*****************************************************************************/
8990e307 4601/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4602
d4c3c482 4603#ifdef __Lynx__
9cffb111
OS		 4604/* LynxOS defines these in scsi.h which is included via ioctl.h */
4605#ifdef FORMAT
4606#undef FORMAT
4607#endif
4608#ifdef SPACE
4609#undef SPACE
4610#endif
d4c3c482 4611#endif
9cffb111 4612
fb73857a 4613#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4614
79072805
LW		 4615typedef enum {
4616 XOPERATOR,
4617 XTERM,
79072805 4618 XREF,
8990e307 4619 XSTATE,
a0d0e21e 4620 XBLOCK,
09bef843
SB		 4621 XATTRBLOCK,
4622 XATTRTERM,
6f33ba73
RGS		 4623 XTERMBLOCK,
4624 XTERMORDORDOR /* evil hack */
27308ded 4625 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4626} expectation;
4627
dc9e4912
GS		 4628enum { /* pass one of these to get_vtbl */
4629 want_vtbl_sv,
4630 want_vtbl_env,
4631 want_vtbl_envelem,
4632 want_vtbl_sig,
4633 want_vtbl_sigelem,
4634 want_vtbl_pack,
4635 want_vtbl_packelem,
4636 want_vtbl_dbline,
4637 want_vtbl_isa,
4638 want_vtbl_isaelem,
4639 want_vtbl_arylen,
4640 want_vtbl_glob,
4641 want_vtbl_mglob,
4642 want_vtbl_nkeys,
4643 want_vtbl_taint,
4644 want_vtbl_substr,
4645 want_vtbl_vec,
4646 want_vtbl_pos,
4647 want_vtbl_bm,
4648 want_vtbl_fm,
4649 want_vtbl_uvar,
4650 want_vtbl_defelem,
4651 want_vtbl_regexp,
4652 want_vtbl_collxfrm,
4653 want_vtbl_amagic,
4654 want_vtbl_amagicelem,
dc9e4912 4655 want_vtbl_regdata,
810b8aa5 4656 want_vtbl_regdatum,
7e8c5dac 4657 want_vtbl_backref,
8d2f4536 4658 want_vtbl_utf8,
83bf042f 4659 want_vtbl_symtab,
b3ca2e83 4660 want_vtbl_arylen_p,
f747ebd6
Z		 4661 want_vtbl_hintselem,
4662 want_vtbl_hints
dc9e4912
GS		 4663};
4664
d5ec2987
NC		 4665
4666/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4667 special and there is no need for HINT_PRIVATE_MASK for COPs
4668 However, bitops store HINT_INTEGER in their op_private. */
9cfe5470
RGS		 4669#define HINT_INTEGER 0x00000001 /* integer pragma */
4670#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4671#define HINT_LOCALE 0x00000004 /* locale pragma */
4672#define HINT_BYTES 0x00000008 /* bytes pragma */
7b0bddfa 4673#define HINT_ARYBASE 0x00000010 /* $[ is non-zero */
a0ed51b3 4674 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 4675 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 4676
4677#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4678#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4679#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 4680
9cfe5470 4681/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4682#define HINT_NEW_INTEGER 0x00001000
4683#define HINT_NEW_FLOAT 0x00002000
4684#define HINT_NEW_BINARY 0x00004000
4685#define HINT_NEW_STRING 0x00008000
4686#define HINT_NEW_RE 0x00010000
4687#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 4688#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4689#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 4690
9cfe5470
RGS		 4691#define HINT_RE_TAINT 0x00100000 /* re pragma */
4692#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4693
9cfe5470
RGS		 4694#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4695#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4696
e46c382e
YK		 4697#define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
4698
0239f47c 4699/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4700#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4701#define HINT_SORT_QUICKSORT 0x00000001
4702#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4703#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4704
8bfdd7d9 4705/* Various states of the input record separator SV (rs) */
d4cce5f1 4706#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4707#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4708#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4709#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4710
128e8167 4711/* A struct for keeping various DEBUGGING related stuff,
ce333219 4712 * neatly packed. Currently only scratch variables for
128e8167
JH		 4713 * constructing debug output are included. Needed always,
4714 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4715struct perl_debug_pad {
4716 SV pad[3];
4717};
4718
4719#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4720#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4721 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4722 PERL_DEBUG_PAD(i))
ce333219 4723
56953603 4724/* Enable variables which are pointers to functions */
a2efc822 4725typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 4726typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
4727typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
4728 char* strend, char* strbeg, I32 minend,
4729 SV* screamer, void* data, U32 flags);
f722798b
IZ		 4730typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
4731 char *strpos, char *strend,
4732 U32 flags,
9f61653a 4733 re_scream_pos_data *d);
f722798b
IZ		 4734typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
4735typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
84da74a7 4736typedef regexp*(CPERLscope(*regdupe_t)) (pTHX_ const regexp* r, CLONE_PARAMS *param);
56953603 4737
c76ac1ee 4738typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc 4739typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
f30de749 4740typedef void (*SVFUNC_t) (pTHX_ SV* const);
31e9e0a3 4741typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
acfe0abc
GS		 4742typedef void (*XSINIT_t) (pTHX);
4743typedef void (*ATEXIT_t) (pTHX_ void*);
4744typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4745
22239a37
NIS		 4746/* Set up PERLVAR macros for populating structs */
4747#define PERLVAR(var,type) type var;
51371543 4748#define PERLVARA(var,n,type) type var[n];
22239a37 4749#define PERLVARI(var,type,init) type var;
3fe35a81 4750#define PERLVARIC(var,type,init) type var;
27da23d5
JH		 4751#define PERLVARISC(var,init) const char var[sizeof(init)];
4752
4753typedef OP* (CPERLscope(*Perl_ppaddr_t))(pTHX);
4754typedef OP* (CPERLscope(*Perl_check_t)) (pTHX_ OP*);
799dfa8f 4755typedef void(CPERLscope(*Perl_ophook_t))(pTHX_ OP*);
22239a37 4756
58a50f62
GS		 4757/* Interpreter exitlist entry */
4758typedef struct exitlistentry {
acfe0abc 4759 void (*fn) (pTHX_ void*);
58a50f62
GS		 4760 void *ptr;
4761} PerlExitListEntry;
4762
aadb217d
JH		 4763/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4764/* These have to be before perlvars.h */
4765#if !defined(HAS_SIGACTION) && defined(VMS)
4766# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4767#endif
4768/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4769#if defined(KILL_BY_SIGPRC)
4770# define FAKE_DEFAULT_SIGNAL_HANDLERS
4771#endif
4772
ffee3ff6
NC		 4773#define PERL_PATCHLEVEL_H_IMPLICIT
4774#include "patchlevel.h"
4775#undef PERL_PATCHLEVEL_H_IMPLICIT
4776
d9421656
NC		 4777#define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4778 STRINGIFY(PERL_VERSION) "." \
4779 STRINGIFY(PERL_SUBVERSION)
4780
22239a37
NIS		 4781#ifdef PERL_GLOBAL_STRUCT
4782struct perl_vars {
7766f137 4783# include "perlvars.h"
22239a37
NIS		 4784};
4785
7766f137 4786# ifdef PERL_CORE
27da23d5 4787# ifndef PERL_GLOBAL_STRUCT_PRIVATE
533c011a
NIS		 4788EXT struct perl_vars PL_Vars;
4789EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
27da23d5
JH		 4790# undef PERL_GET_VARS
4791# define PERL_GET_VARS() PL_VarsPtr
4792# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
7766f137
GS		 4793# else /* PERL_CORE */
4794# if !defined(__GNUC__) || !defined(WIN32)
22239a37 4795EXT
7766f137 4796# endif /* WIN32 */
533c011a 4797struct perl_vars *PL_VarsPtr;
7766f137
GS		 4798# define PL_Vars (*((PL_VarsPtr) \
4799 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
4800# endif /* PERL_CORE */
22239a37
NIS		 4801#endif /* PERL_GLOBAL_STRUCT */
4802
acfe0abc 4803#if defined(MULTIPLICITY)
d460ef45 4804/* If we have multiple interpreters define a struct
d4cce5f1 4805 holding variables which must be per-interpreter
d460ef45 4806 If we don't have threads anything that would have
d4cce5f1
NIS		 4807 be per-thread is per-interpreter.
4808*/
4809
79072805 4810struct interpreter {
7766f137 4811# include "intrpvar.h"
49f531da 4812};
d4cce5f1 4813
79072805 4814#else
49f531da
NIS		 4815struct interpreter {
4816 char broiled;
4817};
acfe0abc 4818#endif /* MULTIPLICITY */
79072805 4819
22239a37 4820/* Done with PERLVAR macros for now ... */
d4cce5f1 4821#undef PERLVAR
51371543 4822#undef PERLVARA
d4cce5f1 4823#undef PERLVARI
3fe35a81 4824#undef PERLVARIC
27da23d5 4825#undef PERLVARISC
79072805 4826
f7fe979e 4827struct tempsym; /* defined in pp_pack.c */
49704364 4828
22239a37 4829#include "thread.h"
79072805 4830#include "pp.h"
864dbfa3
GS		 4831
4832#ifndef PERL_CALLCONV
a0c21aa1
JH		 4833# ifdef __cplusplus
4834# define PERL_CALLCONV extern "C"
4835# else
4836# define PERL_CALLCONV
4837# endif
d460ef45 4838#endif
0cb96387
GS		 4839#undef PERL_CKDEF
4840#undef PERL_PPDEF
0159f81b
JH		 4841#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
4842#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 4843
7766f137 4844#include "proto.h"
864dbfa3 4845
0cb96387 4846/* this has structure inits, so it cannot be included before here */
acfe0abc 4847#include "opcode.h"
864dbfa3 4848
d4cce5f1
NIS		 4849/* The following must follow proto.h as #defines mess up syntax */
4850
22c35a8c
GS		 4851#if !defined(PERL_FOR_X2P)
4852# include "embedvar.h"
4853#endif
598921a7
NC		 4854#ifndef PERL_MAD
4855# undef PL_madskills
4856# undef PL_xmlfp
4857# define PL_madskills 0
4858# define PL_xmlfp 0
4859#endif
d4cce5f1 4860
d460ef45 4861/* Now include all the 'global' variables
d4cce5f1 4862 * If we don't have threads or multiple interpreters
d460ef45 4863 * these include variables that would have been their struct-s
d4cce5f1 4864 */
d460ef45 4865
533c011a 4866#define PERLVAR(var,type) EXT type PL_##var;
51371543 4867#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 4868#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
4869#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
27da23d5 4870#define PERLVARISC(var,init) EXTCONST char PL_##var[sizeof(init)] INIT(init);
d4cce5f1 4871
acfe0abc 4872#if !defined(MULTIPLICITY)
7766f137 4873START_EXTERN_C
066ef5b5 4874# include "intrpvar.h"
7766f137 4875END_EXTERN_C
22239a37
NIS		 4876#endif
4877
24792b8d
NC		 4878#ifdef PERL_CORE
4879/* All core uses now exterminated. Ensure no zombies can return: */
4880# undef PL_na
4881#endif
4882
acfe0abc 4883#if defined(WIN32)
66a93824 4884/* Now all the config stuff is setup we can include embed.h */
22c35a8c 4885# include "embed.h"
eb8433b7
NC		 4886# ifndef PERL_MAD
4887# undef op_getmad
b3f24c00 4888# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 4889# endif
acfe0abc 4890#endif
22239a37 4891
c5be433b
GS		 4892#ifndef PERL_GLOBAL_STRUCT
4893START_EXTERN_C
4894
4895# include "perlvars.h"
4896
4897END_EXTERN_C
4898#endif
4899
d4cce5f1 4900#undef PERLVAR
51371543 4901#undef PERLVARA
d4cce5f1 4902#undef PERLVARI
0f3f18a6 4903#undef PERLVARIC
79072805 4904
73c4f7a1
GS		 4905START_EXTERN_C
4906
bc028b6b
JH		 4907/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
4908 * magic vtables const, but this is incompatible with SWIG which
4909 * does want to modify the vtables. */
4910#ifdef PERL_GLOBAL_STRUCT_PRIVATE
4911# define EXT_MGVTBL EXTCONST MGVTBL
4912#else
4913# define EXT_MGVTBL EXT MGVTBL
4914#endif
4915
79072805 4916#ifdef DOINIT
bc028b6b 4917# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var = {a,b,c,d,e,f,g,h}
2664ba31 4918/* Like MGVTBL_SET but with the get magic having a const MG* */
bc028b6b 4919# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var \
2664ba31 4920 = {(int (*)(pTHX_ SV *, MAGIC *))a,b,c,d,e,f,g,h}
4944113a 4921#else
bc028b6b
JH		 4922# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var
4923# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var
4944113a
AL		 4924#endif
4925
abdc98d4
NC		 4926/* These all need to be 0, not NULL, as NULL can be (void*)0, which is a
4927 * pointer to data, whereas we're assigning pointers to functions, which are
4928 * not the same beast. ANSI doesn't allow the assignment from one to the other.
4929 * (although most, but not all, compilers are prepared to do it)
4930 */
4944113a
AL		 4931MGVTBL_SET(
4932 PL_vtbl_sv,
4933 MEMBER_TO_FPTR(Perl_magic_get),
4934 MEMBER_TO_FPTR(Perl_magic_set),
4935 MEMBER_TO_FPTR(Perl_magic_len),
abdc98d4
NC		 4936 0,
4937 0,
4938 0,
4939 0,
4940 0
4944113a
AL		 4941);
4942
4943MGVTBL_SET(
4944 PL_vtbl_env,
abdc98d4 4945 0,
4944113a 4946 MEMBER_TO_FPTR(Perl_magic_set_all_env),
abdc98d4 4947 0,
4944113a 4948 MEMBER_TO_FPTR(Perl_magic_clear_all_env),
abdc98d4
NC		 4949 0,
4950 0,
4951 0,
4952 0
4944113a
AL		 4953);
4954
4955MGVTBL_SET(
4956 PL_vtbl_envelem,
abdc98d4 4957 0,
4944113a 4958 MEMBER_TO_FPTR(Perl_magic_setenv),
abdc98d4 4959 0,
4944113a 4960 MEMBER_TO_FPTR(Perl_magic_clearenv),
abdc98d4
NC		 4961 0,
4962 0,
4963 0,
4964 0
4944113a
AL		 4965);
4966
4967MGVTBL_SET(
4968 PL_vtbl_sig,
abdc98d4
NC		 4969 0,
4970 0,
4971 0,
4972 0,
4973 0,
4974 0,
4975 0,
4976 0
4944113a
AL		 4977);
4978
9ba75e3c 4979#ifdef PERL_MICRO
4944113a
AL		 4980MGVTBL_SET(
4981 PL_vtbl_sigelem,
abdc98d4
NC		 4982 0,
4983 0,
4984 0,
4985 0,
4986 0,
4987 0,
4988 0,
4989 0
9ba75e3c
DD		 4990);
4991
64ca3a65 4992#else
9ba75e3c
DD		 4993MGVTBL_SET(
4994 PL_vtbl_sigelem,
4944113a
AL		 4995 MEMBER_TO_FPTR(Perl_magic_getsig),
4996 MEMBER_TO_FPTR(Perl_magic_setsig),
abdc98d4 4997 0,
4944113a 4998 MEMBER_TO_FPTR(Perl_magic_clearsig),
abdc98d4
NC		 4999 0,
5000 0,
5001 0,
5002 0
4944113a 5003);
9ba75e3c 5004#endif
4944113a
AL		 5005
5006MGVTBL_SET(
5007 PL_vtbl_pack,
abdc98d4
NC		 5008 0,
5009 0,
4944113a
AL		 5010 MEMBER_TO_FPTR(Perl_magic_sizepack),
5011 MEMBER_TO_FPTR(Perl_magic_wipepack),
abdc98d4
NC		 5012 0,
5013 0,
5014 0,
5015 0
4944113a
AL		 5016);
5017
5018MGVTBL_SET(
5019 PL_vtbl_packelem,
5020 MEMBER_TO_FPTR(Perl_magic_getpack),
5021 MEMBER_TO_FPTR(Perl_magic_setpack),
abdc98d4 5022 0,
4944113a 5023 MEMBER_TO_FPTR(Perl_magic_clearpack),
abdc98d4
NC		 5024 0,
5025 0,
5026 0,
5027 0
4944113a
AL		 5028);
5029
5030MGVTBL_SET(
5031 PL_vtbl_dbline,
abdc98d4 5032 0,
4944113a 5033 MEMBER_TO_FPTR(Perl_magic_setdbline),
abdc98d4
NC		 5034 0,
5035 0,
5036 0,
5037 0,
5038 0,
5039 0
4944113a
AL		 5040);
5041
5042MGVTBL_SET(
5043 PL_vtbl_isa,
abdc98d4 5044 0,
4944113a 5045 MEMBER_TO_FPTR(Perl_magic_setisa),
abdc98d4 5046 0,
52b45067 5047 MEMBER_TO_FPTR(Perl_magic_clearisa),
0fa56319 5048 0,
abdc98d4
NC		 5049 0,
5050 0,
5051 0
4944113a
AL		 5052);
5053
5054MGVTBL_SET(
5055 PL_vtbl_isaelem,
abdc98d4 5056 0,
4944113a 5057 MEMBER_TO_FPTR(Perl_magic_setisa),
abdc98d4
NC		 5058 0,
5059 0,
5060 0,
5061 0,
5062 0,
5063 0
4944113a
AL		 5064);
5065
2e2109e1 5066MGVTBL_SET_CONST_MAGIC_GET(
4944113a
AL		 5067 PL_vtbl_arylen,
5068 MEMBER_TO_FPTR(Perl_magic_getarylen),
5069 MEMBER_TO_FPTR(Perl_magic_setarylen),
abdc98d4
NC		 5070 0,
5071 0,
5072 0,
5073 0,
5074 0,
5075 0
4944113a
AL		 5076);
5077
5078MGVTBL_SET(
83bf042f 5079 PL_vtbl_arylen_p,
abdc98d4
NC		 5080 0,
5081 0,
5082 0,
5083 0,
83bf042f 5084 MEMBER_TO_FPTR(Perl_magic_freearylen_p),
abdc98d4
NC		 5085 0,
5086 0,
5087 0
83bf042f
NC		 5088);
5089
5090MGVTBL_SET(
4944113a 5091 PL_vtbl_mglob,
abdc98d4 5092 0,
4944113a 5093 MEMBER_TO_FPTR(Perl_magic_setmglob),
abdc98d4
NC		 5094 0,
5095 0,
5096 0,
5097 0,
5098 0,
5099 0
4944113a
AL		 5100);
5101
5102MGVTBL_SET(
5103 PL_vtbl_nkeys,
5104 MEMBER_TO_FPTR(Perl_magic_getnkeys),
5105 MEMBER_TO_FPTR(Perl_magic_setnkeys),
abdc98d4
NC		 5106 0,
5107 0,
5108 0,
5109 0,
5110 0,
5111 0
4944113a
AL		 5112);
5113
5114MGVTBL_SET(
5115 PL_vtbl_taint,
5116 MEMBER_TO_FPTR(Perl_magic_gettaint),
5117 MEMBER_TO_FPTR(Perl_magic_settaint),
abdc98d4
NC		 5118 0,
5119 0,
5120 0,
5121 0,
5122 0,
5123 0
4944113a
AL		 5124);
5125
5126MGVTBL_SET(
5127 PL_vtbl_substr,
5128 MEMBER_TO_FPTR(Perl_magic_getsubstr),
5129 MEMBER_TO_FPTR(Perl_magic_setsubstr),
abdc98d4
NC		 5130 0,
5131 0,
5132 0,
5133 0,
5134 0,
5135 0
4944113a
AL		 5136);
5137
5138MGVTBL_SET(
5139 PL_vtbl_vec,
5140 MEMBER_TO_FPTR(Perl_magic_getvec),
5141 MEMBER_TO_FPTR(Perl_magic_setvec),
abdc98d4
NC		 5142 0,
5143 0,
5144 0,
5145 0,
5146 0,
5147 0
4944113a
AL		 5148);
5149
5150MGVTBL_SET(
5151 PL_vtbl_pos,
5152 MEMBER_TO_FPTR(Perl_magic_getpos),
5153 MEMBER_TO_FPTR(Perl_magic_setpos),
abdc98d4
NC		 5154 0,
5155 0,
5156 0,
5157 0,
5158 0,
5159 0
4944113a
AL		 5160);
5161
5162MGVTBL_SET(
5163 PL_vtbl_bm,
abdc98d4 5164 0,
488344d2 5165 MEMBER_TO_FPTR(Perl_magic_setregexp),
abdc98d4
NC		 5166 0,
5167 0,
5168 0,
5169 0,
5170 0,
5171 0
4944113a
AL		 5172);
5173
5174MGVTBL_SET(
5175 PL_vtbl_fm,
abdc98d4 5176 0,
488344d2 5177 MEMBER_TO_FPTR(Perl_magic_setregexp),
abdc98d4
NC		 5178 0,
5179 0,
5180 0,
5181 0,
5182 0,
5183 0
4944113a
AL		 5184);
5185
5186MGVTBL_SET(
5187 PL_vtbl_uvar,
5188 MEMBER_TO_FPTR(Perl_magic_getuvar),
5189 MEMBER_TO_FPTR(Perl_magic_setuvar),
abdc98d4
NC		 5190 0,
5191 0,
5192 0,
5193 0,
5194 0,
5195 0
4944113a
AL		 5196);
5197
5198MGVTBL_SET(
5199 PL_vtbl_defelem,
5200 MEMBER_TO_FPTR(Perl_magic_getdefelem),
5201 MEMBER_TO_FPTR(Perl_magic_setdefelem),
abdc98d4
NC		 5202 0,
5203 0,
5204 0,
5205 0,
5206 0,
5207 0
4944113a
AL		 5208);
5209
5210MGVTBL_SET(
5211 PL_vtbl_regexp,
abdc98d4 5212 0,
4944113a 5213 MEMBER_TO_FPTR(Perl_magic_setregexp),
abdc98d4
NC		 5214 0,
5215 0,
288b8c02 5216 0,
abdc98d4
NC		 5217 0,
5218 0,
5219 0
4944113a
AL		 5220);
5221
5222MGVTBL_SET(
5223 PL_vtbl_regdata,
abdc98d4
NC		 5224 0,
5225 0,
4944113a 5226 MEMBER_TO_FPTR(Perl_magic_regdata_cnt),
abdc98d4
NC		 5227 0,
5228 0,
5229 0,
5230 0,
5231 0
4944113a
AL		 5232);
5233
5234MGVTBL_SET(
5235 PL_vtbl_regdatum,
5236 MEMBER_TO_FPTR(Perl_magic_regdatum_get),
5237 MEMBER_TO_FPTR(Perl_magic_regdatum_set),
abdc98d4
NC		 5238 0,
5239 0,
5240 0,
5241 0,
5242 0,
5243 0
4944113a
AL		 5244);
5245
5246MGVTBL_SET(
5247 PL_vtbl_amagic,
abdc98d4 5248 0,
4944113a 5249 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5250 0,
5251 0,
4944113a 5252 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5253 0,
5254 0,
5255 0
4944113a
AL		 5256);
5257
5258MGVTBL_SET(
5259 PL_vtbl_amagicelem,
abdc98d4 5260 0,
4944113a 5261 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5262 0,
5263 0,
4944113a 5264 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5265 0,
5266 0,
5267 0
4944113a
AL		 5268);
5269
5270MGVTBL_SET(
5271 PL_vtbl_backref,
abdc98d4
NC		 5272 0,
5273 0,
5274 0,
5275 0,
4944113a 5276 MEMBER_TO_FPTR(Perl_magic_killbackrefs),
abdc98d4
NC		 5277 0,
5278 0,
5279 0
4944113a
AL		 5280);
5281
5282MGVTBL_SET(
5283 PL_vtbl_ovrld,
abdc98d4
NC		 5284 0,
5285 0,
5286 0,
5287 0,
4944113a 5288 MEMBER_TO_FPTR(Perl_magic_freeovrld),
abdc98d4
NC		 5289 0,
5290 0,
5291 0
4944113a
AL		 5292);
5293
5294MGVTBL_SET(
5295 PL_vtbl_utf8,
abdc98d4 5296 0,
4944113a 5297 MEMBER_TO_FPTR(Perl_magic_setutf8),
abdc98d4
NC		 5298 0,
5299 0,
5300 0,
5301 0,
5302 0,
5303 0
4944113a 5304);
36477c24 5305#ifdef USE_LOCALE_COLLATE
4944113a
AL		 5306MGVTBL_SET(
5307 PL_vtbl_collxfrm,
abdc98d4 5308 0,
4944113a 5309 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
abdc98d4
NC		 5310 0,
5311 0,
5312 0,
5313 0,
5314 0,
5315 0
4944113a 5316);
bbce6d69 5317#endif
a0d0e21e 5318
b3ca2e83
NC		 5319MGVTBL_SET(
5320 PL_vtbl_hintselem,
abdc98d4 5321 0,
b3ca2e83 5322 MEMBER_TO_FPTR(Perl_magic_sethint),
abdc98d4 5323 0,
b3ca2e83 5324 MEMBER_TO_FPTR(Perl_magic_clearhint),
abdc98d4
NC		 5325 0,
5326 0,
5327 0,
5328 0
b3ca2e83
NC		 5329);
5330
f747ebd6
Z		 5331MGVTBL_SET(
5332 PL_vtbl_hints,
5333 0,
5334 0,
5335 0,
5336 MEMBER_TO_FPTR(Perl_magic_clearhints),
5337 0,
5338 0,
5339 0,
5340 0
5341);
5342
bab3dc31 5343#include "overload.h"
a0d0e21e 5344
73c4f7a1
GS		 5345END_EXTERN_C
5346
a6006777 5347struct am_table {
8175493d 5348 U32 flags;
eb160463 5349 U32 was_ok_sub;
a0d0e21e 5350 long was_ok_am;
a0d0e21e 5351 long fallback;
9bd87817 5352 CV* table[NofAMmeth];
a0d0e21e 5353};
a6006777 5354struct am_table_short {
8175493d 5355 U32 flags;
eb160463 5356 U32 was_ok_sub;
a6006777 5357 long was_ok_am;
a6006777 5358};
a0d0e21e 5359typedef struct am_table AMT;
a6006777 5360typedef struct am_table_short AMTS;
a0d0e21e
LW		 5361
5362#define AMGfallNEVER 1
5363#define AMGfallNO 2
5364#define AMGfallYES 3
5365
a6006777 5366#define AMTf_AMAGIC 1
32251b26 5367#define AMTf_OVERLOADED 2
a6006777 5368#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5369#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5370#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 5371#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
5372#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
5373#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 5374
32251b26 5375#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5376
5377/*
5378 * some compilers like to redefine cos et alia as faster
5379 * (and less accurate?) versions called F_cos et cetera (Quidquid
5380 * latine dictum sit, altum viditur.) This trick collides with
5381 * the Perl overloading (amg). The following #defines fool both.
5382 */
5383
5384#ifdef _FASTMATH
5385# ifdef atan2
5386# define F_atan2_amg atan2_amg
5387# endif
5388# ifdef cos
5389# define F_cos_amg cos_amg
5390# endif
5391# ifdef exp
5392# define F_exp_amg exp_amg
5393# endif
5394# ifdef log
5395# define F_log_amg log_amg
5396# endif
5397# ifdef pow
5398# define F_pow_amg pow_amg
5399# endif
5400# ifdef sin
5401# define F_sin_amg sin_amg
5402# endif
5403# ifdef sqrt
5404# define F_sqrt_amg sqrt_amg
5405# endif
5406#endif /* _FASTMATH */
5407
83ee9e09
GS		 5408#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5409 PERLDBf_NOOPT | PERLDBf_INTER | \
5410 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
b8fcbefe
NC		 5411 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5412 PERLDBf_SAVESRC)
925cfbb8 5413 /* No _NONAME, _GOTO */
83ee9e09
GS		 5414#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5415#define PERLDBf_LINE 0x02 /* Keep line # */
5416#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5417#define PERLDBf_INTER 0x08 /* Preserve more data for
5418 later inspections */
5419#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5420#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5421#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5422#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5423#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5424#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
b8fcbefe 5425#define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
c30d8139
NC		 5426#define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subrouties */
5427#define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
84902520 5428
3280af22
NIS		 5429#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5430#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5431#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5432#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5433#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5434#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5435#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5436#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5437#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5438#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
b8fcbefe 5439#define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC))
c30d8139
NC		 5440#define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS))
5441#define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID))
bbce6d69 5442
36477c24 5443#ifdef USE_LOCALE_NUMERIC
bbce6d69 5444
36477c24 5445#define SET_NUMERIC_STANDARD() \
ff4fed7c 5446 set_numeric_standard();
36477c24 5447
5448#define SET_NUMERIC_LOCAL() \
ff4fed7c 5449 set_numeric_local();
bbce6d69 5450
a98fe34d 5451#define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE)
2de3dbcc
JH		 5452#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
5453
5454#define IN_LOCALE \
923e4eb5 5455 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
2de3dbcc 5456
f93f4e46 5457#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 5458 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 5459 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 5460
5461#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 5462 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 5463 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 5464
5465#define RESTORE_NUMERIC_LOCAL() \
5466 if (was_local) SET_NUMERIC_LOCAL();
5467
5468#define RESTORE_NUMERIC_STANDARD() \
5469 if (was_standard) SET_NUMERIC_STANDARD();
5470
5b877257 5471#define Atof my_atof
097ee67d 5472
36477c24 5473#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5474
097ee67d
JH		 5475#define SET_NUMERIC_STANDARD() /**/
5476#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5477#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5478#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5479#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 5480#define RESTORE_NUMERIC_LOCAL() /**/
5481#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 5482#define Atof my_atof
ad3e0f90 5483#define IN_LOCALE_RUNTIME 0
bbce6d69 5484
36477c24 5485#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5486
079290de 5487#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5488# ifdef __hpux
5489# define strtoll __strtoll /* secret handshake */
5490# endif
c623ac67
GS		 5491# ifdef WIN64
5492# define strtoll _strtoi64 /* secret handshake */
5493# endif
079290de
GS		 5494# if !defined(Strtol) && defined(HAS_STRTOLL)
5495# define Strtol strtoll
ad551343 5496# endif
28e5dec8
JH		 5497# if !defined(Strtol) && defined(HAS_STRTOQ)
5498# define Strtol strtoq
5499# endif
ff935051 5500/* is there atoq() anywhere? */
15b99d39 5501#endif
079290de
GS		 5502#if !defined(Strtol) && defined(HAS_STRTOL)
5503# define Strtol strtol
5504#endif
5505#ifndef Atol
5506/* It would be more fashionable to use Strtol() to define atol()
5507 * (as is done for Atoul(), see below) but for backward compatibility
5508 * we just assume atol(). */
76b882ba 5509# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 5510# ifdef WIN64
5511# define atoll _atoi64 /* secret handshake */
5512# endif
76b882ba
JH		 5513# define Atol atoll
5514# else
5515# define Atol atol
5516# endif
cf2093f6
JH		 5517#endif
5518
55eb892c 5519#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5520# ifdef __hpux
5521# define strtoull __strtoull /* secret handshake */
5522# endif
c623ac67
GS		 5523# ifdef WIN64
5524# define strtoull _strtoui64 /* secret handshake */
5525# endif
ad551343 5526# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5527# define Strtoul strtoull
15b99d39 5528# endif
079290de
GS		 5529# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5530# define Strtoul strtouq
5531# endif
76d49b1c 5532/* is there atouq() anywhere? */
ad551343 5533#endif
079290de
GS		 5534#if !defined(Strtoul) && defined(HAS_STRTOUL)
5535# define Strtoul strtoul
cf2093f6 5536#endif
a5523c5b
JH		 5537#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5538# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5539#endif
079290de 5540#ifndef Atoul
d4c19fe8 5541# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5542#endif
cf2093f6 5543
760ac839 5544
06d86050
GS		 5545/* if these never got defined, they need defaults */
5546#ifndef PERL_SET_CONTEXT
5547# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5548#endif
5549
5550#ifndef PERL_GET_CONTEXT
5551# define PERL_GET_CONTEXT PERL_GET_INTERP
5552#endif
5553
5554#ifndef PERL_GET_THX
5555# define PERL_GET_THX ((void*)NULL)
5556#endif
5557
5558#ifndef PERL_SET_THX
5559# define PERL_SET_THX(t) NOOP
5560#endif
5561
a868473f
NIS		 5562#ifndef PERL_SCRIPT_MODE
5563#define PERL_SCRIPT_MODE "r"
5564#endif
5565
fba3b22e 5566/*
da927450
JH		 5567 * Some operating systems are stingy with stack allocation,
5568 * so perl may have to guard against stack overflow.
5569 */
5570#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5571#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5572#endif
5573
5574/*
5575 * Some nonpreemptive operating systems find it convenient to
5576 * check for asynchronous conditions after each op execution.
5577 * Keep this check simple, or it may slow down execution
5578 * massively.
5579 */
ce08f86c 5580
1d615522 5581#ifndef PERL_MICRO
4ffa73a3
JH		 5582# ifndef PERL_ASYNC_CHECK
5583# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
5584# endif
ce08f86c
NIS		 5585#endif
5586
da927450 5587#ifndef PERL_ASYNC_CHECK
1d615522 5588# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5589#endif
5590
5591/*
5592 * On some operating systems, a memory allocation may succeed,
5593 * but put the process too close to the system's comfort limit.
5594 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5595 * it to NULL.
5596 */
5597#ifndef PERL_ALLOC_CHECK
c2af87cb 5598#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5599#endif
5600
bd89102f
AD		 5601#ifdef HAS_SEM
5602# include <sys/ipc.h>
5603# include <sys/sem.h>
5604# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5605 union semun {
dbba660d
TC		 5606 int val;
5607 struct semid_ds *buf;
5608 unsigned short *array;
bd89102f
AD		 5609 };
5610# endif
5611# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5612# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5613 union gccbug_semun {
5614 int val;
5615 struct semid_ds *buf;
5616 unsigned short *array;
5617 char __dummy[5];
5618 };
5619# define semun gccbug_semun
5620# endif
bd89102f
AD		 5621# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5622# else
5623# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5624# ifdef EXTRA_F_IN_SEMUN_BUF
5625# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5626# else
5627# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5628# endif
bd89102f
AD		 5629# endif
5630# endif
bd89102f 5631#endif
49f531da 5632
89ca4ac7
JH		 5633/*
5634 * Boilerplate macros for initializing and accessing interpreter-local
5635 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 5636 * this, if you want to make the extension thread-safe. See
5637 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5638 * and perlxs.pod for more.
89ca4ac7
JH		 5639 *
5640 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5641 * 1. #define MY_CXT_KEY to a unique string, e.g.
5642 * "DynaLoader::_guts" XS_VERSION
f16dd614 5643 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5644 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5645 * all the data that needs to be interpreter-local.
5646 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5647 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5648 * (typically put in the BOOT: section).
5649 * 5. Use the members of the my_cxt_t structure everywhere as
5650 * MY_CXT.member.
5651 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5652 * access MY_CXT.
5653 */
5654
fc958cd2 5655#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 5656
53d44271
JH		 5657#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5658
5659/* This must appear in all extensions that define a my_cxt_t structure,
5660 * right after the definition (i.e. at file scope). The non-threads
5661 * case below uses it to declare the data as static. */
5662#define START_MY_CXT
5663#define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5664
5665/* Creates and zeroes the per-interpreter data.
5666 * (We allocate my_cxtp in a Perl SV so that it will be released when
5667 * the interpreter goes away.) */
5668#define MY_CXT_INIT \
5669 my_cxt_t *my_cxtp = \
5670 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_KEY, sizeof(my_cxt_t))
5671#define MY_CXT_INIT_INTERP(my_perl) \
5672 my_cxt_t *my_cxtp = \
5673 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_KEY, sizeof(my_cxt_t))
5674
5675/* This declaration should be used within all functions that use the
5676 * interpreter-local data. */
5677#define dMY_CXT \
5678 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
5679#define dMY_CXT_INTERP(my_perl) \
5680 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5681
5682/* Clones the per-interpreter data. */
5683#define MY_CXT_CLONE \
5684 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5685 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5686 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5687
5688#else /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
5689
89ca4ac7
JH		 5690/* This must appear in all extensions that define a my_cxt_t structure,
5691 * right after the definition (i.e. at file scope). The non-threads
5692 * case below uses it to declare the data as static. */
f16dd614 5693#define START_MY_CXT static int my_cxt_index = -1;
89ca4ac7
JH		 5694
5695/* This declaration should be used within all functions that use the
5696 * interpreter-local data. */
5697#define dMY_CXT \
f16dd614
DM		 5698 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[my_cxt_index]
5699#define dMY_CXT_INTERP(my_perl) \
5700 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[my_cxt_index]
89ca4ac7
JH		 5701
5702/* Creates and zeroes the per-interpreter data.
5703 * (We allocate my_cxtp in a Perl SV so that it will be released when
5704 * the interpreter goes away.) */
5705#define MY_CXT_INIT \
f16dd614
DM		 5706 my_cxt_t *my_cxtp = \
5707 (my_cxt_t*)Perl_my_cxt_init(aTHX_ &my_cxt_index, sizeof(my_cxt_t))
5708#define MY_CXT_INIT_INTERP(my_perl) \
5709 my_cxt_t *my_cxtp = \
5710 (my_cxt_t*)Perl_my_cxt_init(my_perl, &my_cxt_index, sizeof(my_cxt_t))
89ca4ac7 5711
8fba5d14
MHM		 5712/* Clones the per-interpreter data. */
5713#define MY_CXT_CLONE \
8fba5d14 5714 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
f16dd614
DM		 5715 Copy(PL_my_cxt_list[my_cxt_index], my_cxtp, 1, my_cxt_t);\
5716 PL_my_cxt_list[my_cxt_index] = my_cxtp \
8fba5d14 5717
53d44271
JH		 5718#endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
5719
89ca4ac7
JH		 5720/* This macro must be used to access members of the my_cxt_t structure.
5721 * e.g. MYCXT.some_data */
5722#define MY_CXT (*my_cxtp)
5723
5724/* Judicious use of these macros can reduce the number of times dMY_CXT
5725 * is used. Use is similar to pTHX, aTHX etc. */
5726#define pMY_CXT my_cxt_t *my_cxtp
5727#define pMY_CXT_ pMY_CXT,
5728#define _pMY_CXT ,pMY_CXT
5729#define aMY_CXT my_cxtp
5730#define aMY_CXT_ aMY_CXT,
5731#define _aMY_CXT ,aMY_CXT
5732
f16dd614 5733#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7
JH		 5734
5735#define START_MY_CXT static my_cxt_t my_cxt;
5736#define dMY_CXT_SV dNOOP
5737#define dMY_CXT dNOOP
9568a123 5738#define dMY_CXT_INTERP(my_perl) dNOOP
89ca4ac7 5739#define MY_CXT_INIT NOOP
8fba5d14 5740#define MY_CXT_CLONE NOOP
89ca4ac7
JH		 5741#define MY_CXT my_cxt
5742
5743#define pMY_CXT void
5744#define pMY_CXT_
5745#define _pMY_CXT
5746#define aMY_CXT
5747#define aMY_CXT_
5748#define _aMY_CXT
5749
f16dd614 5750#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5751
9a34ef1d
GS		 5752#ifdef I_FCNTL
5753# include <fcntl.h>
9a34ef1d
GS		 5754#endif
5755
9cffb111
OS		 5756#ifdef __Lynx__
5757# include <fcntl.h>
5758#endif
5759
9a34ef1d
GS		 5760#ifdef I_SYS_FILE
5761# include <sys/file.h>
5762#endif
5763
fa0a29af 5764#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5765int flock(int fd, int op);
5766#endif
5767
fe52b3b7
GS		 5768#ifndef O_RDONLY
5769/* Assume UNIX defaults */
5770# define O_RDONLY 0000
5771# define O_WRONLY 0001
5772# define O_RDWR 0002
5773# define O_CREAT 0100
5774#endif
9a34ef1d 5775
16fe6d59
GS		 5776#ifndef O_BINARY
5777# define O_BINARY 0
5778#endif
5779
5780#ifndef O_TEXT
5781# define O_TEXT 0
5782#endif
5783
6ce75a77
JH		 5784#if O_TEXT != O_BINARY
5785 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5786 * that is, you are somehow DOSish. */
df00ff3b
IW		 5787# if defined(__BEOS__) || defined(__HAIKU__) || defined(__VOS__) || \
5788 defined(__CYGWIN__)
5789 /* BeOS/Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5790 * BeOS/Haiku is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5791 /* VOS has O_TEXT != O_BINARY, and they have effect,
5792 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5793 /* If you have O_TEXT different from your O_BINARY but you still are
5794 * not a CRLF shop. */
35990314 5795# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5796# else
5797 /* If you really are DOSish. */
5798# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5799# endif
5800#endif
5801
4bc88a62
PS		 5802#ifdef I_LIBUTIL
5803# include <libutil.h> /* setproctitle() in some FreeBSDs */
5804#endif
5805
b4748376 5806#ifndef EXEC_ARGV_CAST
360ea906 5807#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 5808#endif
5809
dd5dc04f
JH		 5810#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5811 int). value returned in pointed-
5812 to UV */
5813#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5814#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5815#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5816#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5817#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5818
5819#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5820
53305cf1
NC		 5821/* Input flags: */
5822#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5823#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5824#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 5825/* Output flags: */
5826#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5827
2c4f7f0e
DM		 5828/* to let user control profiling */
5829#ifdef PERL_GPROF_CONTROL
5830extern void moncontrol(int);
5831#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5832#else
5833#define PERL_GPROF_MONCONTROL(x)
5834#endif
5835
ae0e3d3b
JH		 5836#ifdef UNDER_CE
5837#include "wince.h"
5838#endif
5839
5840/* ISO 6429 NEL - C1 control NExt Line */
5841/* See http://www.unicode.org/unicode/reports/tr13/ */
5842#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
5843# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
5844# define NEXT_LINE_CHAR 0x15
5845# else /* CDRA */
5846# define NEXT_LINE_CHAR 0x25
5847# endif
5848#else
5849# define NEXT_LINE_CHAR 0x85
5850#endif
5851
5852/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5853#define UNICODE_LINE_SEPA_0 0xE2
5854#define UNICODE_LINE_SEPA_1 0x80
5855#define UNICODE_LINE_SEPA_2 0xA8
5856#define UNICODE_PARA_SEPA_0 0xE2
5857#define UNICODE_PARA_SEPA_1 0x80
5858#define UNICODE_PARA_SEPA_2 0xA9
5859
479b2847
GS		 5860#ifndef PIPESOCK_MODE
5861# define PIPESOCK_MODE
5862#endif
5863
460c8493
IZ		 5864#ifndef SOCKET_OPEN_MODE
5865# define SOCKET_OPEN_MODE PIPESOCK_MODE
5866#endif
5867
5868#ifndef PIPE_OPEN_MODE
5869# define PIPE_OPEN_MODE PIPESOCK_MODE
5870#endif
5871
7e8c5dac
HS		 5872#define PERL_MAGIC_UTF8_CACHESIZE 2
5873
a05d7ebb
JH		 5874#define PERL_UNICODE_STDIN_FLAG 0x0001
5875#define PERL_UNICODE_STDOUT_FLAG 0x0002
5876#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5877#define PERL_UNICODE_IN_FLAG 0x0008
5878#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5879#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5880#define PERL_UNICODE_LOCALE_FLAG 0x0040
5881#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 5882#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 5883
06e66572
JH		 5884#define PERL_UNICODE_STD_FLAG \
5885 (PERL_UNICODE_STDIN_FLAG | \
5886 PERL_UNICODE_STDOUT_FLAG | \
5887 PERL_UNICODE_STDERR_FLAG)
5888
5889#define PERL_UNICODE_INOUT_FLAG \
5890 (PERL_UNICODE_IN_FLAG | \
5891 PERL_UNICODE_OUT_FLAG)
5892
5893#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5894 (PERL_UNICODE_STD_FLAG | \
5895 PERL_UNICODE_INOUT_FLAG | \
5896 PERL_UNICODE_LOCALE_FLAG)
5897
5a22a2bb 5898#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 5899
5900#define PERL_UNICODE_STDIN 'I'
5901#define PERL_UNICODE_STDOUT 'O'
5902#define PERL_UNICODE_STDERR 'E'
5903#define PERL_UNICODE_STD 'S'
5904#define PERL_UNICODE_IN 'i'
5905#define PERL_UNICODE_OUT 'o'
5906#define PERL_UNICODE_INOUT 'D'
5907#define PERL_UNICODE_ARGV 'A'
5908#define PERL_UNICODE_LOCALE 'L'
5909#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 5910#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 5911
4ffa73a3
JH		 5912#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5913
16bd9a85
JH		 5914/* From sigaction(2) (FreeBSD man page):
5915 * | Signal routines normally execute with the signal that
5916 * | caused their invocation blocked, but other signals may
5917 * | yet occur.
5918 * Emulation of this behavior (from within Perl) is enabled
5919 * by defining PERL_BLOCK_SIGNALS.
5920 */
5921#define PERL_BLOCK_SIGNALS
5922
5923#if defined(HAS_SIGPROCMASK) && defined(PERL_BLOCK_SIGNALS)
5924# define PERL_BLOCKSIG_ADD(set,sig) \
5925 sigset_t set; sigemptyset(&(set)); sigaddset(&(set), sig)
5926# define PERL_BLOCKSIG_BLOCK(set) \
5927 sigprocmask(SIG_BLOCK, &(set), NULL)
5928# define PERL_BLOCKSIG_UNBLOCK(set) \
5929 sigprocmask(SIG_UNBLOCK, &(set), NULL)
5930#endif /* HAS_SIGPROCMASK && PERL_BLOCK_SIGNALS */
5931
5932/* How about the old style of sigblock()? */
5933
5934#ifndef PERL_BLOCKSIG_ADD
5935# define PERL_BLOCKSIG_ADD(set, sig) NOOP
5936#endif
5937#ifndef PERL_BLOCKSIG_BLOCK
5938# define PERL_BLOCKSIG_BLOCK(set) NOOP
5939#endif
2bfba5f0 5940#ifndef PERL_BLOCKSIG_UNBLOCK
16bd9a85
JH		 5941# define PERL_BLOCKSIG_UNBLOCK(set) NOOP
5942#endif
5943
32fdb065 5944/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5945 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5946#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5947
3c0f78ca
JH		 5948#if defined(__DECC) && defined(__osf__)
5949#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 5950#endif
5951
e4dba786
NC		 5952#define do_open(g, n, l, a, rm, rp, sf) \
5953 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 5954#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 5955# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 5956#endif
15871fce
NC		 5957#ifdef OS2
5958# define do_aexec Perl_do_aexec
5959#else
5960# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 5961#endif
e4dba786 5962
2f3efc97
JH		 5963#if defined(OEMVS)
5964#define NO_ENV_ARRAY_IN_MAIN
5965#endif
5966
10edeb5d
JH		 5967/* These are used by Perl_pv_escape() and Perl_pv_pretty()
5968 * are here so that they are available throughout the core
5969 * NOTE that even though some are for _escape and some for _pretty
5970 * there must not be any clashes as the flags from _pretty are
5971 * passed straight through to _escape.
5972 */
5973
5974#define PERL_PV_ESCAPE_QUOTE 0x0001
5975#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
5976
95b611b0 5977#define PERL_PV_PRETTY_ELLIPSES 0x0002
10edeb5d
JH		 5978#define PERL_PV_PRETTY_LTGT 0x0004
5979
5980#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
5981
5982#define PERL_PV_ESCAPE_UNI 0x0100
5983#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
5984
5985#define PERL_PV_ESCAPE_ALL 0x1000
5986#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
5987#define PERL_PV_ESCAPE_NOCLEAR 0x4000
44a2ac75 5988#define PERL_PV_ESCAPE_RE 0x8000
10edeb5d 5989
881a015e
NC		 5990#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
5991
10edeb5d 5992/* used by pv_display in dump.c*/
95b611b0
RGS		 5993#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
5994#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE
10edeb5d
JH		 5995
5996/*
5997
5998 (KEEP THIS LAST IN perl.h!)
5999
6000 Mention
d460ef45 6001
43999f95 6002 NV_PRESERVES_UV
fe749a9f 6003
fe749a9f
JH		 6004 HAS_MKSTEMP
6005 HAS_MKSTEMPS
6006 HAS_MKDTEMP
6007
49dabb45
JH		 6008 HAS_GETCWD
6009
d59b5429 6010 HAS_MMAP
fe749a9f
JH		 6011 HAS_MPROTECT
6012 HAS_MSYNC
1e8c3fde 6013 HAS_MADVISE
fe749a9f
JH		 6014 HAS_MUNMAP
6015 I_SYSMMAN
6016 Mmap_t
6017
6b4667fc
A		 6018 NVef
6019 NVff
6020 NVgf
6021
4e0554ec 6022 HAS_UALARM
2d736872 6023 HAS_USLEEP
4e0554ec
JH		 6024
6025 HAS_SETITIMER
6026 HAS_GETITIMER
6027
6028 HAS_SENDMSG
6029 HAS_RECVMSG
6030 HAS_READV
6031 HAS_WRITEV
6032 I_SYSUIO
6033 HAS_STRUCT_MSGHDR
6034 HAS_STRUCT_CMSGHDR
6035
2765b840 6036 HAS_NL_LANGINFO
0a7020c9 6037
ae0e3d3b 6038 HAS_DIRFD
2765b840 6039
10edeb5d 6040 so that Configure picks them up.
ab3bbdeb 6041
10edeb5d 6042 (KEEP THIS LAST IN perl.h!)
3df15adc 6043
10edeb5d 6044*/
3df15adc 6045
85e6fe83 6046#endif /* Include guard */
e9a8c099 6047
ab69dbc2 6048#define CLEAR_ERRSV() STMT_START { sv_setpvn(ERRSV,"",0); if (SvMAGICAL(ERRSV)) { mg_free(ERRSV); } SvPOK_only(ERRSV); } STMT_END
8433848b 6049
e9a8c099
MHM		 6050/*
6051 * Local variables:
6052 * c-indentation-style: bsd
6053 * c-basic-offset: 4
6054 * indent-tabs-mode: t
6055 * End:
6056 *
6057 * ex: set ts=8 sts=4 sw=4 noet:
6058 */
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