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Naif calls segfault T_PRTOBJ of the stock typemap
[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
00f254e2 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
00f254e2 273#if defined(USE_ITHREADS)
f9f4320a 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)) \
00f254e2 279 : (REGEXP *)NULL)
f9f4320a 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 312#endif
00f254e2 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
00f254e2 950/* Cannot include embed.h here on Win32 as win32.h has not
66a93824
NIS		 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 1200/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1201 * This is important for using IPv6.
8cfab5ff
JH		 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
f5fa9033 1313#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC		 1314
1315#define CLEAR_ERRSV() STMT_START { \
1316 if (!GvSV(PL_errgv)) { \
1317 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1318 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1319 SvREFCNT_dec(GvSV(PL_errgv)); \
1320 GvSV(PL_errgv) = newSVpvs(""); \
1321 } else { \
1322 SV *const errsv = GvSV(PL_errgv); \
1323 sv_setpvs(errsv, ""); \
1324 if (SvMAGICAL(errsv)) { \
1325 mg_free(errsv); \
1326 } \
1327 SvPOK_only(errsv); \
1328 } \
1329 } STMT_END
1330
1331
414bf5ae
MHM		 1332#ifdef PERL_CORE
1333# define DEFSV (0 + GvSVn(PL_defgv))
1334#else
1335# define DEFSV GvSVn(PL_defgv)
1336#endif
1337#define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
3db8f154 1338#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1339
98eae8f5
GS		 1340#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1341
55497cff 1342#ifndef errno
5ff3f7a4
GS		 1343 extern int errno; /* ANSI allows errno to be an lvalue expr.
1344 * For example in multithreaded environments
1345 * something like this might happen:
1346 * extern int *_errno(void);
1347 * #define errno (*_errno()) */
d9d8d8de 1348#endif
663a0e37 1349
2304df62 1350#ifdef HAS_STRERROR
a0d0e21e 1351# ifdef VMS
20ce7b12 1352 char *strerror (int,...);
a0d0e21e 1353# else
68dc0745 1354#ifndef DONT_DECLARE_STD
20ce7b12 1355 char *strerror (int);
68dc0745 1356#endif
a0d0e21e 1357# endif
2304df62
AD		 1358# ifndef Strerror
1359# define Strerror strerror
1360# endif
1361#else
1362# ifdef HAS_SYS_ERRLIST
79072805
LW		 1363 extern int sys_nerr;
1364 extern char *sys_errlist[];
2304df62
AD		 1365# ifndef Strerror
1366# define Strerror(e) \
79072805 1367 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1368# endif
79072805 1369# endif
35c8bce7 1370#endif
663a0e37 1371
2304df62 1372#ifdef I_SYS_IOCTL
79072805
LW		 1373# ifndef _IOCTL_
1374# include <sys/ioctl.h>
1375# endif
a687059c
LW		 1376#endif
1377
ee0007ab 1378#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1379# ifdef HAS_SOCKETPAIR
1380# undef HAS_SOCKETPAIR
1381# endif
2304df62
AD		 1382# ifdef I_NDBM
1383# undef I_NDBM
79072805 1384# endif
a687059c
LW		 1385#endif
1386
02fc2eee
NC		 1387#ifndef HAS_SOCKETPAIR
1388# ifdef HAS_SOCKET
1389# define socketpair Perl_my_socketpair
1390# endif
1391#endif
1392
a687059c 1393#if INTSIZE == 2
79072805
LW		 1394# define htoni htons
1395# define ntohi ntohs
a687059c 1396#else
79072805
LW		 1397# define htoni htonl
1398# define ntohi ntohl
a687059c
LW		 1399#endif
1400
a0d0e21e 1401/* Configure already sets Direntry_t */
35c8bce7 1402#if defined(I_DIRENT)
663a0e37 1403# include <dirent.h>
8f1f23e8
W		 1404 /* NeXT needs dirent + sys/dir.h */
1405# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1406# include <sys/dir.h>
1407# endif
ae986130 1408#else
fe14fcc3 1409# ifdef I_SYS_NDIR
79a0689e 1410# include <sys/ndir.h>
663a0e37 1411# else
fe14fcc3 1412# ifdef I_SYS_DIR
79a0689e
LW		 1413# ifdef hp9000s500
1414# include <ndir.h> /* may be wrong in the future */
1415# else
1416# include <sys/dir.h>
1417# endif
663a0e37
LW		 1418# endif
1419# endif
4633a7c4 1420#endif
a687059c 1421
12ae5dfc
JH		 1422#ifdef PERL_MICRO
1423# ifndef DIR
1424# define DIR void
1425# endif
1426#endif
1427
352d5a3a
LW		 1428#ifdef FPUTS_BOTCH
1429/* work around botch in SunOS 4.0.1 and 4.0.2 */
1430# ifndef fputs
79072805 1431# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1432# endif
1433#endif
1434
c623bd54
LW		 1435/*
1436 * The following gobbledygook brought to you on behalf of __STDC__.
1437 * (I could just use #ifndef __STDC__, but this is more bulletproof
1438 * in the face of half-implementations.)
1439 */
1440
7114a2d2 1441#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1442#include <sys/mode.h>
1443#endif
1444
c623bd54
LW		 1445#ifndef S_IFMT
1446# ifdef _S_IFMT
1447# define S_IFMT _S_IFMT
1448# else
1449# define S_IFMT 0170000
1450# endif
1451#endif
1452
1453#ifndef S_ISDIR
1454# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1455#endif
1456
1457#ifndef S_ISCHR
1458# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1459#endif
1460
1461#ifndef S_ISBLK
fe14fcc3
LW		 1462# ifdef S_IFBLK
1463# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1464# else
1465# define S_ISBLK(m) (0)
1466# endif
c623bd54
LW		 1467#endif
1468
1469#ifndef S_ISREG
1470# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1471#endif
1472
1473#ifndef S_ISFIFO
fe14fcc3
LW		 1474# ifdef S_IFIFO
1475# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1476# else
1477# define S_ISFIFO(m) (0)
1478# endif
c623bd54
LW		 1479#endif
1480
1481#ifndef S_ISLNK
1482# ifdef _S_ISLNK
1483# define S_ISLNK(m) _S_ISLNK(m)
1484# else
1485# ifdef _S_IFLNK
1486# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1487# else
1488# ifdef S_IFLNK
1489# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1490# else
1491# define S_ISLNK(m) (0)
1492# endif
1493# endif
1494# endif
1495#endif
1496
1497#ifndef S_ISSOCK
1498# ifdef _S_ISSOCK
1499# define S_ISSOCK(m) _S_ISSOCK(m)
1500# else
1501# ifdef _S_IFSOCK
1502# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1503# else
1504# ifdef S_IFSOCK
1505# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1506# else
1507# define S_ISSOCK(m) (0)
1508# endif
1509# endif
1510# endif
1511#endif
1512
1513#ifndef S_IRUSR
1514# ifdef S_IREAD
1515# define S_IRUSR S_IREAD
1516# define S_IWUSR S_IWRITE
1517# define S_IXUSR S_IEXEC
1518# else
1519# define S_IRUSR 0400
1520# define S_IWUSR 0200
1521# define S_IXUSR 0100
1522# endif
fac7cdfc
JS		 1523#endif
1524
1525#ifndef S_IRGRP
1526# ifdef S_IRUSR
1527# define S_IRGRP (S_IRUSR>>3)
1528# define S_IWGRP (S_IWUSR>>3)
1529# define S_IXGRP (S_IXUSR>>3)
1530# else
1531# define S_IRGRP 0040
1532# define S_IWGRP 0020
1533# define S_IXGRP 0010
1534# endif
1535#endif
1536
1537#ifndef S_IROTH
1538# ifdef S_IRUSR
1539# define S_IROTH (S_IRUSR>>6)
1540# define S_IWOTH (S_IWUSR>>6)
1541# define S_IXOTH (S_IXUSR>>6)
1542# else
1543# define S_IROTH 0040
1544# define S_IWOTH 0020
1545# define S_IXOTH 0010
1546# endif
c623bd54
LW		 1547#endif
1548
1549#ifndef S_ISUID
1550# define S_ISUID 04000
1551#endif
1552
1553#ifndef S_ISGID
1554# define S_ISGID 02000
1555#endif
1556
ca6e1c26
JH		 1557#ifndef S_IRWXU
1558# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1559#endif
ca6e1c26
JH		 1560
1561#ifndef S_IRWXG
1562# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1563#endif
ca6e1c26
JH		 1564
1565#ifndef S_IRWXO
1566# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1567#endif
ca6e1c26 1568
df00ff3b 1569/* BeOS 5.0 and Haiku R1 seem to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1570 * which would get included through <sys/file.h >, but that is 3000
1571 * lines in the future. --jhi */
1572
df00ff3b 1573#if !defined(S_IREAD) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1574# define S_IREAD S_IRUSR
1575#endif
1576
df00ff3b 1577#if !defined(S_IWRITE) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1578# define S_IWRITE S_IWUSR
1579#endif
1580
1581#ifndef S_IEXEC
1582# define S_IEXEC S_IXUSR
1583#endif
1584
79072805
LW		 1585#ifdef ff_next
1586# undef ff_next
352d5a3a
LW		 1587#endif
1588
a0d0e21e 1589#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1590# define SLOPPYDIVIDE
1591#endif
1592
748a9306
LW		 1593#ifdef UV
1594#undef UV
1595#endif
1596
c89df6bf
JH		 1597#ifdef SPRINTF_E_BUG
1598# define sprintf UTS_sprintf_wrap
1599#endif
1600
ce582cee
NC		 1601/* For the times when you want the return value of sprintf, and you want it
1602 to be the length. Can't have a thread variable passed in, because C89 has
1603 no varargs macros.
1604*/
1605#ifdef SPRINTF_RETURNS_STRLEN
1606# define my_sprintf sprintf
1607#else
1608# define my_sprintf Perl_my_sprintf
1609#endif
1610
5b692037
JH		 1611/*
1612 * If we have v?snprintf() and the C99 variadic macros, we can just
1613 * use just the v?snprintf(). It is nice to try to trap the buffer
1614 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1615 * gcc statement expressions, then use the function wrappers which try
1616 * to trap the overflow. If we can use the gcc statement expressions,
1617 * we can try that even with the version that uses the C99 variadic
1618 * macros.
5b692037
JH		 1619 */
1620
1208b3dd
JH		 1621/* Note that we do not check against snprintf()/vsnprintf() returning
1622 * negative values because that is non-standard behaviour and we use
1623 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1624 * that should be true only if the snprintf()/vsnprintf() are true
1625 * to the standard. */
1626
dfeee9b1 1627#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1628# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1629# 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 1630# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1631# else
1632# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1633# endif
1634#else
1635# define my_snprintf Perl_my_snprintf
1208b3dd 1636# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1637#endif
1638
dfeee9b1 1639#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1640# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1641# 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 1642# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1643# else
1644# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1645# endif
1646#else
1647# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1648# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1649#endif
d9fad198 1650
a6cc4119
SP		 1651#ifdef HAS_STRLCAT
1652# define my_strlcat strlcat
1653#else
1654# define my_strlcat Perl_my_strlcat
1655#endif
1656
1657#ifdef HAS_STRLCPY
1658# define my_strlcpy strlcpy
1659#else
1660# define my_strlcpy Perl_my_strlcpy
1661#endif
1662
c495e728
JH		 1663/* Configure gets this right but the UTS compiler gets it wrong.
1664 -- Hal Morris <hom00@utsglobal.com> */
1665#ifdef UTS
1666# undef UVTYPE
1667# define UVTYPE unsigned
1668#endif
1669
05f13f53 1670/*
27d4fb96 1671 The IV type is supposed to be long enough to hold any integral
1672 value or a pointer.
1673 --Andy Dougherty August 1996
1674*/
1675
a22e52b9
JH		 1676typedef IVTYPE IV;
1677typedef UVTYPE UV;
8175356b 1678
10cc9d2a 1679#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1680# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1681# define IV_MAX INT64_MAX
1682# define IV_MIN INT64_MIN
1683# define UV_MAX UINT64_MAX
cae7ae48
JH		 1684# ifndef UINT64_MIN
1685# define UINT64_MIN 0
1686# endif
5ff3f7a4
GS		 1687# define UV_MIN UINT64_MIN
1688# else
1689# define IV_MAX PERL_QUAD_MAX
1690# define IV_MIN PERL_QUAD_MIN
1691# define UV_MAX PERL_UQUAD_MAX
1692# define UV_MIN PERL_UQUAD_MIN
1693# endif
cf2093f6
JH		 1694# define IV_IS_QUAD
1695# define UV_IS_QUAD
79072805 1696#else
8175356b 1697# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1698# define IV_MAX INT32_MAX
1699# define IV_MIN INT32_MIN
716026f9
DL		 1700# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1701# define UV_MAX UINT32_MAX
1702# else
1703# define UV_MAX 4294967295U
1704# endif
cae7ae48
JH		 1705# ifndef UINT32_MIN
1706# define UINT32_MIN 0
1707# endif
5ff3f7a4
GS		 1708# define UV_MIN UINT32_MIN
1709# else
1710# define IV_MAX PERL_LONG_MAX
1711# define IV_MIN PERL_LONG_MIN
1712# define UV_MAX PERL_ULONG_MAX
1713# define UV_MIN PERL_ULONG_MIN
1714# endif
8175356b 1715# if IVSIZE == 8
cf2093f6
JH		 1716# define IV_IS_QUAD
1717# define UV_IS_QUAD
de1c2614
JH		 1718# ifndef HAS_QUAD
1719# define HAS_QUAD
1720# endif
cf2093f6
JH		 1721# else
1722# undef IV_IS_QUAD
1723# undef UV_IS_QUAD
de1c2614 1724# undef HAS_QUAD
cf2093f6 1725# endif
79072805 1726#endif
d7d93a81 1727
1109a392
MHM		 1728#ifndef HAS_QUAD
1729# undef PERL_NEED_MY_HTOLE64
1730# undef PERL_NEED_MY_LETOH64
1731# undef PERL_NEED_MY_HTOBE64
1732# undef PERL_NEED_MY_BETOH64
1733#endif
1734
6cde8aec 1735#if defined(uts) || defined(UTS)
11afe549
HM		 1736# undef UV_MAX
1737# define UV_MAX (4294967295u)
20601011
JH		 1738#endif
1739
cae7ae48 1740#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1741#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1742
28e5dec8 1743#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1744#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1745#endif
1746
d460ef45 1747/*
26bb67e2
JH		 1748 * The macros INT2PTR and NUM2PTR are (despite their names)
1749 * bi-directional: they will convert int/float to or from pointers.
1750 * However the conversion to int/float are named explicitly:
1751 * PTR2IV, PTR2UV, PTR2NV.
1752 *
1753 * For int conversions we do not need two casts if pointers are
1754 * the same size as IV and UV. Otherwise we need an explicit
1755 * cast (PTRV) to avoid compiler warnings.
1756 */
56431972
RB		 1757#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1758# define PTRV UV
1759# define INT2PTR(any,d) (any)(d)
1760#else
d460ef45 1761# if PTRSIZE == LONGSIZE
56431972 1762# define PTRV unsigned long
e91e3b10 1763# define PTR2ul(p) (unsigned long)(p)
42718184 1764# else
56431972 1765# define PTRV unsigned
42718184 1766# endif
e91e3b10
RB		 1767#endif
1768
1769#ifndef INT2PTR
56431972 1770# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1771#endif
e91e3b10
RB		 1772
1773#ifndef PTR2ul
1774# define PTR2ul(p) INT2PTR(unsigned long,p)
1775#endif
1776
56431972
RB		 1777#define NUM2PTR(any,d) (any)(PTRV)(d)
1778#define PTR2IV(p) INT2PTR(IV,p)
1779#define PTR2UV(p) INT2PTR(UV,p)
1780#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1781#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1782
8141890a
JH		 1783/* According to strict ANSI C89 one cannot freely cast between
1784 * data pointers and function (code) pointers. There are at least
1785 * two ways around this. One (used below) is to do two casts,
1786 * first the other pointer to an (unsigned) integer, and then
1787 * the integer to the other pointer. The other way would be
1788 * to use unions to "overlay" the pointers. For an example of
1789 * the latter technique, see union dirpu in struct xpvio in sv.h.
1790 * The only feasible use is probably temporarily storing
1791 * function pointers in a data pointer (such as a void pointer). */
1792
e91e3b10
RB		 1793#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1794#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1795
65202027 1796#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1797# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1798# define LONG_DOUBLE_EQUALS_DOUBLE
1799# endif
68d4903c 1800# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1801# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1802# endif
1803#endif
1804
2d4389e4
JH		 1805#ifdef OVR_DBL_DIG
1806/* Use an overridden DBL_DIG */
1807# ifdef DBL_DIG
1808# undef DBL_DIG
1809# endif
1810# define DBL_DIG OVR_DBL_DIG
1811#else
1812/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1813 default value for printing floating point numbers in Gconvert
1814 (see config.h). (It also has other uses, such as figuring out if
1815 a given precision of printing can be done with a double instead of
1816 a long double - Allen).
2d4389e4
JH		 1817*/
1818#ifdef I_LIMITS
1819#include <limits.h>
1820#endif
1821#ifdef I_FLOAT
1822#include <float.h>
1823#endif
1824#ifndef HAS_DBL_DIG
1825#define DBL_DIG 15 /* A guess that works lots of places */
1826#endif
1827#endif
1828
1829#ifdef OVR_LDBL_DIG
1830/* Use an overridden LDBL_DIG */
1831# ifdef LDBL_DIG
1832# undef LDBL_DIG
1833# endif
1834# define LDBL_DIG OVR_LDBL_DIG
1835#else
1836/* The following is all to get LDBL_DIG, in order to pick a nice
1837 default value for printing floating point numbers in Gconvert.
1838 (see config.h)
1839*/
68d4903c
JH		 1840# ifdef I_LIMITS
1841# include <limits.h>
1842# endif
1843# ifdef I_FLOAT
1844# include <float.h>
1845# endif
1846# ifndef HAS_LDBL_DIG
1847# if LONG_DOUBLESIZE == 10
1848# define LDBL_DIG 18 /* assume IEEE */
1849# else
1850# if LONG_DOUBLESIZE == 12
1851# define LDBL_DIG 18 /* gcc? */
1852# else
1853# if LONG_DOUBLESIZE == 16
1854# define LDBL_DIG 33 /* assume IEEE */
1855# else
1856# if LONG_DOUBLESIZE == DOUBLESIZE
1857# define LDBL_DIG DBL_DIG /* bummer */
1858# endif
1859# endif
1860# endif
1861# endif
1862# endif
2d4389e4
JH		 1863#endif
1864
20f6aaab
AS		 1865/*
1866 * This is for making sure we have a good DBL_MAX value, if possible,
1867 * either for usage as NV_MAX or for usage in figuring out if we can
1868 * fit a given long double into a double, if bug-fixing makes it
1869 * necessary to do so. - Allen <allens@cpan.org>
1870 */
1871
205f51d8
AS		 1872#ifdef I_LIMITS
1873# include <limits.h>
20f6aaab
AS		 1874#endif
1875
205f51d8
AS		 1876#ifdef I_VALUES
1877# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1878# include <values.h>
1879# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1880# define DBL_MAX MAXDOUBLE
1881# endif
1882# if defined(MINDOUBLE) && !defined(DBL_MIN)
1883# define DBL_MIN MINDOUBLE
1884# endif
1885# endif
1886#endif /* defined(I_VALUES) */
1887
a22e52b9 1888typedef NVTYPE NV;
8175356b 1889
792d8dab
JH		 1890#ifdef I_IEEEFP
1891# include <ieeefp.h>
1892#endif
923fc586 1893
65202027 1894#ifdef USE_LONG_DOUBLE
923fc586
JH		 1895# ifdef I_SUNMATH
1896# include <sunmath.h>
1897# endif
2d4389e4 1898# define NV_DIG LDBL_DIG
d6c14000
JH		 1899# ifdef LDBL_MANT_DIG
1900# define NV_MANT_DIG LDBL_MANT_DIG
1901# endif
06fc1729
JH		 1902# ifdef LDBL_MIN
1903# define NV_MIN LDBL_MIN
1904# endif
1905# ifdef LDBL_MAX
1906# define NV_MAX LDBL_MAX
1907# endif
1908# ifdef LDBL_MIN_10_EXP
1909# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1910# endif
1911# ifdef LDBL_MAX_10_EXP
1912# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1913# endif
1914# ifdef LDBL_EPSILON
1915# define NV_EPSILON LDBL_EPSILON
1916# endif
f4a14a62
JH		 1917# ifdef LDBL_MAX
1918# define NV_MAX LDBL_MAX
20f6aaab 1919/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1920# else
1921# ifdef HUGE_VALL
1922# define NV_MAX HUGE_VALL
1923# else
1924# ifdef HUGE_VAL
1925# define NV_MAX ((NV)HUGE_VAL)
1926# endif
1927# endif
1928# endif
68d4903c 1929# ifdef HAS_SQRTL
68d4903c
JH		 1930# define Perl_cos cosl
1931# define Perl_sin sinl
1932# define Perl_sqrt sqrtl
1933# define Perl_exp expl
1934# define Perl_log logl
1935# define Perl_atan2 atan2l
1936# define Perl_pow powl
1937# define Perl_floor floorl
1bbae031 1938# define Perl_ceil ceill
68d4903c
JH		 1939# define Perl_fmod fmodl
1940# endif
a3540c92
JH		 1941/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1942# ifdef HAS_MODFL
1943# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1944/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1945 prototype in <math.h> */
1946# ifndef HAS_MODFL_PROTO
a221a8a5 1947EXTERN_C long double modfl(long double, long double *);
51997bc3 1948# endif
03476e8e
JH		 1949# else
1950# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1951 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1952# define Perl_modf(x,y) Perl_my_modfl(x,y)
1953# endif
a3540c92
JH		 1954# endif
1955# ifdef HAS_FREXPL
dff3e0b8 1956# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1957# else
1958# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1959 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1960# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1961# endif
a3540c92 1962# endif
38dbb4c5 1963# ifndef Perl_isnan
758a5d79
JH		 1964# ifdef HAS_ISNANL
1965# define Perl_isnan(x) isnanl(x)
1966# endif
1967# endif
1968# ifndef Perl_isinf
1969# ifdef HAS_FINITEL
1970# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1971# endif
1972# endif
65202027 1973#else
2d4389e4 1974# define NV_DIG DBL_DIG
d6c14000
JH		 1975# ifdef DBL_MANT_DIG
1976# define NV_MANT_DIG DBL_MANT_DIG
1977# endif
06fc1729
JH		 1978# ifdef DBL_MIN
1979# define NV_MIN DBL_MIN
1980# endif
1981# ifdef DBL_MAX
1982# define NV_MAX DBL_MAX
1983# endif
1984# ifdef DBL_MIN_10_EXP
1985# define NV_MIN_10_EXP DBL_MIN_10_EXP
1986# endif
1987# ifdef DBL_MAX_10_EXP
1988# define NV_MAX_10_EXP DBL_MAX_10_EXP
1989# endif
1990# ifdef DBL_EPSILON
1991# define NV_EPSILON DBL_EPSILON
1992# endif
205f51d8 1993# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1994# define NV_MAX DBL_MAX
1995# define NV_MIN DBL_MIN
1996# else
1997# ifdef HUGE_VAL
1998# define NV_MAX HUGE_VAL
1999# endif
2000# endif
65202027
DS		 2001# define Perl_cos cos
2002# define Perl_sin sin
2003# define Perl_sqrt sqrt
2004# define Perl_exp exp
2005# define Perl_log log
2006# define Perl_atan2 atan2
2007# define Perl_pow pow
2008# define Perl_floor floor
1bbae031 2009# define Perl_ceil ceil
65202027 2010# define Perl_fmod fmod
a3540c92 2011# define Perl_modf(x,y) modf(x,y)
dff3e0b8 2012# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 2013#endif
2014
2015/* rumor has it that Win32 has _fpclass() */
2016
205f51d8
AS		 2017/* SGI has fpclassl... but not with the same result values,
2018 * and it's via a typedef (not via #define), so will need to redo Configure
2019 * to use. Not worth the trouble, IMO, at least until the below is used
2020 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
2021 * with me for the SGI manpages, SGI testing, etcetera, if you want to
2022 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
2023
758a5d79
JH		 2024#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2025# ifdef I_IEEFP
2026# include <ieeefp.h>
2027# endif
2028# ifdef I_FP
2029# include <fp.h>
2030# endif
2031# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2032# define Perl_fp_class() fpclassl(x)
2033# else
2034# define Perl_fp_class() fpclass(x)
2035# endif
2036# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2037# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2038# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2039# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2040# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2041# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2042# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2043# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2044# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2045# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2046# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2047# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2048# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2049# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2050# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2051#endif
2052
7114a2d2 2053#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2054# include <math.h>
2055# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2056# include <fp_class.h>
2057# endif
2058# define Perl_fp_class(x) fp_class(x)
2059# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2060# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2061# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2062# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2063# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2064# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2065# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2066# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2067# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2068# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2069# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2070# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2071# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2072# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2073# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2074#endif
2075
2076#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2077# include <math.h>
2078# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2079# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2080# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2081# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2082# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2083# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2084#endif
2085
2086#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2087# include <math.h>
2088# ifndef _cplusplus
2089# define Perl_fp_class(x) class(x)
2090# else
2091# define Perl_fp_class(x) _class(x)
2092# endif
2093# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2094# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2095# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2096# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2097# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2098# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2099# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2100# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2101# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2102# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2103# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2104# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2105# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2106# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2107# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2108#endif
2109
2110/* rumor has it that Win32 has _isnan() */
2111
2112#ifndef Perl_isnan
a3540c92 2113# ifdef HAS_ISNAN
758a5d79
JH		 2114# define Perl_isnan(x) isnan((NV)x)
2115# else
2116# ifdef Perl_fp_class_nan
2117# define Perl_isnan(x) Perl_fp_class_nan(x)
2118# else
2119# ifdef HAS_UNORDERED
2120# define Perl_isnan(x) unordered((x), 0.0)
2121# else
2122# define Perl_isnan(x) ((x)!=(x))
2123# endif
2124# endif
2125# endif
2126#endif
2127
ca6c63e1
JH		 2128#ifdef UNDER_CE
2129int isnan(double d);
2130#endif
2131
758a5d79
JH		 2132#ifndef Perl_isinf
2133# ifdef HAS_ISINF
2134# define Perl_isinf(x) isinf((NV)x)
a3540c92 2135# else
758a5d79
JH		 2136# ifdef Perl_fp_class_inf
2137# define Perl_isinf(x) Perl_fp_class_inf(x)
2138# else
2139# define Perl_isinf(x) ((x)==NV_INF)
2140# endif
2141# endif
2142#endif
2143
2144#ifndef Perl_isfinite
2145# ifdef HAS_FINITE
2146# define Perl_isfinite(x) finite((NV)x)
2147# else
2148# ifdef HAS_ISFINITE
2149# define Perl_isfinite(x) isfinite(x)
2150# else
2151# ifdef Perl_fp_class_finite
2152# define Perl_isfinite(x) Perl_fp_class_finite(x)
2153# else
2154# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2155# endif
2156# endif
a3540c92 2157# endif
65202027
DS		 2158#endif
2159
a36244b7
JH		 2160/* The default is to use Perl's own atof() implementation (in numeric.c).
2161 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2162 * it is however best to use the native implementation of atof.
2163 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2164 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2165 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2166 * you may need to be using a different function than atof! */
a36244b7
JH		 2167
2168#ifndef USE_PERL_ATOF
2169# ifndef _UNICOS
2170# define USE_PERL_ATOF
2171# endif
2172#else
2173# if USE_PERL_ATOF == 0
2174# undef USE_PERL_ATOF
2175# endif
2176#endif
2177
2178#ifdef USE_PERL_ATOF
2179# define Perl_atof(s) Perl_my_atof(s)
2180# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2181#else
2182# define Perl_atof(s) (NV)atof(s)
2183# define Perl_atof2(s, n) ((n) = atof(s))
2184#endif
cf2093f6 2185
d460ef45 2186/* Previously these definitions used hardcoded figures.
760ac839
LW		 2187 * It is hoped these formula are more portable, although
2188 * no data one way or another is presently known to me.
2189 * The "PERL_" names are used because these calculated constants
2190 * do not meet the ANSI requirements for LONG_MAX, etc., which
2191 * need to be constants acceptable to #if - kja
2192 * define PERL_LONG_MAX 2147483647L
2193 * define PERL_LONG_MIN (-LONG_MAX - 1)
2194 * define PERL ULONG_MAX 4294967295L
2195 */
2196
2197#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2198# include <limits.h>
760ac839 2199#endif
205f51d8
AS		 2200/* Included values.h above if necessary; still including limits.h down here,
2201 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2202
99abf803 2203/*
2204 * Try to figure out max and min values for the integral types. THE CORRECT
2205 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2206 * following hacks are used if neither limits.h or values.h provide them:
2207 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2208 * for types < int: (unsigned TYPE)~(unsigned)0
2209 * The argument to ~ must be unsigned so that later signed->unsigned
2210 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2211 * and it must not be smaller than int because ~ does integral promotion.
2212 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2213 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2214 * The latter is a hack which happens to work on some machines but
2215 * does *not* catch any random system, or things like integer types
2216 * with NaN if that is possible.
2217 *
2218 * All of the types are explicitly cast to prevent accidental loss of
2219 * numeric range, and in the hope that they will be less likely to confuse
2220 * over-eager optimizers.
2221 *
2222 */
27d4fb96 2223
99abf803 2224#define PERL_UCHAR_MIN ((unsigned char)0)
2225
2226#ifdef UCHAR_MAX
2227# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2228#else
99abf803 2229# ifdef MAXUCHAR
2230# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2231# else
99abf803 2232# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2233# endif
2234#endif
d460ef45 2235
99abf803 2236/*
2237 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2238 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2239 * depending on local options. Until Configure detects this (or at least
2240 * detects whether the "signed" keyword is available) the CHAR ranges
2241 * will not be included. UCHAR functions normally.
2242 * - kja
2243 */
27d4fb96 2244
99abf803 2245#define PERL_USHORT_MIN ((unsigned short)0)
2246
2247#ifdef USHORT_MAX
2248# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2249#else
99abf803 2250# ifdef MAXUSHORT
2251# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2252# else
ef2f54b0
CB		 2253# ifdef USHRT_MAX
2254# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2255# else
2256# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2257# endif
27d4fb96 2258# endif
2259#endif
2260
27d4fb96 2261#ifdef SHORT_MAX
99abf803 2262# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2263#else
2264# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2265# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2266# else
ef2f54b0
CB		 2267# ifdef SHRT_MAX
2268# define PERL_SHORT_MAX ((short)SHRT_MAX)
2269# else
2270# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2271# endif
27d4fb96 2272# endif
2273#endif
2274
2275#ifdef SHORT_MIN
99abf803 2276# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2277#else
2278# ifdef MINSHORT
99abf803 2279# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2280# else
ef2f54b0
CB		 2281# ifdef SHRT_MIN
2282# define PERL_SHORT_MIN ((short)SHRT_MIN)
2283# else
2284# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2285# endif
27d4fb96 2286# endif
2287#endif
2288
99abf803 2289#ifdef UINT_MAX
2290# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2291#else
99abf803 2292# ifdef MAXUINT
2293# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2294# else
99abf803 2295# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2296# endif
2297#endif
2298
99abf803 2299#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2300
2301#ifdef INT_MAX
99abf803 2302# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2303#else
2304# ifdef MAXINT /* Often used in <values.h> */
99abf803 2305# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2306# else
99abf803 2307# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2308# endif
2309#endif
2310
2311#ifdef INT_MIN
99abf803 2312# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2313#else
2314# ifdef MININT
99abf803 2315# define PERL_INT_MIN ((int)MININT)
27d4fb96 2316# else
2317# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2318# endif
2319#endif
2320
99abf803 2321#ifdef ULONG_MAX
2322# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2323#else
99abf803 2324# ifdef MAXULONG
2325# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2326# else
99abf803 2327# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2328# endif
2329#endif
2330
99abf803 2331#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2332
760ac839 2333#ifdef LONG_MAX
99abf803 2334# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2335#else
2336# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2337# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2338# else
99abf803 2339# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2340# endif
2341#endif
2342
2343#ifdef LONG_MIN
99abf803 2344# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2345#else
2346# ifdef MINLONG
99abf803 2347# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2348# else
27d4fb96 2349# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2350# endif
2351#endif
2352
d7d93a81 2353#ifdef UV_IS_QUAD
99abf803 2354
99abf803 2355# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2356# define PERL_UQUAD_MIN ((UV)0)
99abf803 2357# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2358# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2359
79072805
LW		 2360#endif
2361
22f7c9c9
JH		 2362#ifdef MYMALLOC
2363# include "malloc_ctl.h"
2364#endif
2365
830247a4 2366struct RExC_state_t;
8e11feef 2367struct _reg_trie_data;
880b20b6 2368
ee0007ab 2369typedef MEM_SIZE STRLEN;
450a55e4 2370
598921a7
NC		 2371#ifdef PERL_MAD
2372typedef struct token TOKEN;
2373typedef struct madprop MADPROP;
2374typedef struct nexttoken NEXTTOKE;
2375#endif
79072805
LW		 2376typedef struct op OP;
2377typedef struct cop COP;
2378typedef struct unop UNOP;
2379typedef struct binop BINOP;
2380typedef struct listop LISTOP;
2381typedef struct logop LOGOP;
79072805
LW		 2382typedef struct pmop PMOP;
2383typedef struct svop SVOP;
7934575e 2384typedef struct padop PADOP;
79072805 2385typedef struct pvop PVOP;
79072805
LW		 2386typedef struct loop LOOP;
2387
cd1541b2
NC		 2388typedef struct interpreter PerlInterpreter;
2389
d2b3f365
SS		 2390/* Amdahl's <ksync.h> has struct sv */
2391/* SGI's <sys/sema.h> has struct sv */
2392#if defined(UTS) || defined(__sgi)
2393# define STRUCT_SV perl_sv
b8d3c5db
JH		 2394#else
2395# define STRUCT_SV sv
2396#endif
2397typedef struct STRUCT_SV SV;
79072805
LW		 2398typedef struct av AV;
2399typedef struct hv HV;
2400typedef struct cv CV;
288b8c02 2401typedef struct regexp ORANGE; /* This is the body structure. */
d2f13c59 2402typedef struct p5rx REGEXP;
79072805 2403typedef struct gp GP;
0c30d9ec 2404typedef struct gv GV;
8990e307 2405typedef struct io IO;
c09156bb 2406typedef struct context PERL_CONTEXT;
79072805
LW		 2407typedef struct block BLOCK;
2408
2409typedef struct magic MAGIC;
2410typedef struct xpv XPV;
2411typedef struct xpviv XPVIV;
ff68c719 2412typedef struct xpvuv XPVUV;
79072805
LW		 2413typedef struct xpvnv XPVNV;
2414typedef struct xpvmg XPVMG;
2415typedef struct xpvlv XPVLV;
2416typedef struct xpvav XPVAV;
2417typedef struct xpvhv XPVHV;
2418typedef struct xpvgv XPVGV;
2419typedef struct xpvcv XPVCV;
2420typedef struct xpvbm XPVBM;
2421typedef struct xpvfm XPVFM;
8990e307 2422typedef struct xpvio XPVIO;
79072805
LW		 2423typedef struct mgvtbl MGVTBL;
2424typedef union any ANY;
5f7fde29
GS		 2425typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2426typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2427typedef struct clone_params CLONE_PARAMS;
2428
378cc40b 2429#include "handy.h"
a0d0e21e 2430
6b8eaf93 2431#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2432# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2433# define USE_64_BIT_RAWIO /* implicit */
2434# endif
4564133c
JH		 2435#endif
2436
6b8eaf93
JH		 2437/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2438 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2439 * however, because operating systems like to do that themself. */
2440#ifndef FSEEKSIZE
2441# ifdef HAS_FSEEKO
2442# define FSEEKSIZE LSEEKSIZE
2443# else
2444# define FSEEKSIZE LONGSIZE
d460ef45 2445# endif
6b8eaf93
JH		 2446#endif
2447
2448#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2449# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2450# define USE_64_BIT_STDIO /* implicit */
2451# endif
2452#endif
4564133c 2453
09458382 2454#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2455# ifdef HAS_OFF64_T
2456# undef Off_t
2457# define Off_t off64_t
2458# undef LSEEKSIZE
2459# define LSEEKSIZE 8
5ff3f7a4 2460# endif
d9b3e12d
JH		 2461/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2462 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2463 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2464# if defined(USE_OPEN64)
2465# define open open64
5ff3f7a4 2466# endif
d9b3e12d
JH		 2467# if defined(USE_LSEEK64)
2468# define lseek lseek64
6b8eaf93
JH		 2469# else
2470# if defined(USE_LLSEEK)
2471# define lseek llseek
2472# endif
d9b3e12d
JH		 2473# endif
2474# if defined(USE_STAT64)
2475# define stat stat64
2476# endif
2477# if defined(USE_FSTAT64)
2478# define fstat fstat64
2479# endif
2480# if defined(USE_LSTAT64)
2481# define lstat lstat64
2482# endif
2483# if defined(USE_FLOCK64)
2484# define flock flock64
2485# endif
2486# if defined(USE_LOCKF64)
2487# define lockf lockf64
2488# endif
2489# if defined(USE_FCNTL64)
2490# define fcntl fcntl64
2491# endif
2492# if defined(USE_TRUNCATE64)
2493# define truncate truncate64
2494# endif
2495# if defined(USE_FTRUNCATE64)
2496# define ftruncate ftruncate64
2497# endif
2498#endif
2499
2500#ifdef USE_64_BIT_STDIO
2501# ifdef HAS_FPOS64_T
2502# undef Fpos_t
2503# define Fpos_t fpos64_t
2504# endif
2505/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2506 * will trigger defines like the ones below. Some 64-bit environments,
2507 * however, do not. */
2508# if defined(USE_FOPEN64)
2509# define fopen fopen64
2510# endif
2511# if defined(USE_FSEEK64)
6b8eaf93 2512# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2513# endif
2514# if defined(USE_FTELL64)
6b8eaf93 2515# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2516# endif
2517# if defined(USE_FSETPOS64)
2518# define fsetpos fsetpos64
2519# endif
2520# if defined(USE_FGETPOS64)
2521# define fgetpos fgetpos64
2522# endif
2523# if defined(USE_TMPFILE64)
2524# define tmpfile tmpfile64
2525# endif
2526# if defined(USE_FREOPEN64)
2527# define freopen freopen64
5ff3f7a4
GS		 2528# endif
2529#endif
2530
e37778c2 2531#if defined(OS2)
2c2d71f5
JH		 2532# include "iperlsys.h"
2533#endif
2534
6f71a643 2535#if defined(__OPEN_VM)
19848b3f
JH		 2536# include "vmesa/vmesaish.h"
2537# define ISHISH "vmesa"
6f71a643
JH		 2538#endif
2539
748a9306 2540#ifdef DOSISH
19848b3f
JH		 2541# if defined(OS2)
2542# include "os2ish.h"
2543# else
2544# include "dosish.h"
2545# endif
2546# define ISHISH "dos"
2547#endif
2548
2549#if defined(VMS)
748a9306 2550# include "vmsish.h"
96e176bf 2551# include "embed.h"
eb8433b7
NC		 2552# ifndef PERL_MAD
2553# undef op_getmad
b3f24c00 2554# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2555# endif
19848b3f
JH		 2556# define ISHISH "vms"
2557#endif
2558
2559#if defined(PLAN9)
2560# include "./plan9/plan9ish.h"
2561# define ISHISH "plan9"
2562#endif
2563
2564#if defined(MPE)
2565# include "mpeix/mpeixish.h"
2566# define ISHISH "mpeix"
2567#endif
2568
2569#if defined(__VOS__)
196918b0
PG		 2570# ifdef __GNUC__
2571# include "./vos/vosish.h"
2572# else
2573# include "vos/vosish.h"
2574# endif
19848b3f
JH		 2575# define ISHISH "vos"
2576#endif
2577
2578#if defined(EPOC)
2579# include "epocish.h"
2580# define ISHISH "epoc"
2581#endif
2582
9969cdde 2583#ifdef __SYMBIAN32__
27da23d5
JH		 2584# include "symbian/symbianish.h"
2585# include "embed.h"
eb8433b7
NC		 2586# ifndef PERL_MAD
2587# undef op_getmad
b3f24c00 2588# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2589# endif
27da23d5
JH		 2590# define ISHISH "symbian"
2591#endif
2592
19848b3f 2593
df00ff3b
IW		 2594#if defined(__HAIKU__)
2595# include "haiku/haikuish.h"
2596# define ISHISH "haiku"
2597#elif defined(__BEOS__)
efca5cc6
JH		 2598# include "beos/beosish.h"
2599# define ISHISH "beos"
2600#endif
2601
19848b3f
JH		 2602#ifndef ISHISH
2603# include "unixish.h"
2604# define ISHISH "unix"
13b6e58c
JH		 2605#endif
2606
2946a158
JH		 2607/* NSIG logic from Configure --> */
2608/* Strange style to avoid deeply-nested #if/#else/#endif */
2609#ifndef NSIG
2610# ifdef _NSIG
2611# define NSIG (_NSIG)
2612# endif
2613#endif
2614
2615#ifndef NSIG
2616# ifdef SIGMAX
2617# define NSIG (SIGMAX+1)
2618# endif
2619#endif
2620
2621#ifndef NSIG
2622# ifdef SIG_MAX
2623# define NSIG (SIG_MAX+1)
2624# endif
2625#endif
2626
2627#ifndef NSIG
2628# ifdef _SIG_MAX
2629# define NSIG (_SIG_MAX+1)
2630# endif
2631#endif
2632
2633#ifndef NSIG
2634# ifdef MAXSIG
2635# define NSIG (MAXSIG+1)
2636# endif
2637#endif
2638
2639#ifndef NSIG
2640# ifdef MAX_SIG
2641# define NSIG (MAX_SIG+1)
2642# endif
2643#endif
2644
2645#ifndef NSIG
2646# ifdef SIGARRAYSIZE
2647# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2648# endif
2649#endif
2650
2651#ifndef NSIG
2652# ifdef _sys_nsig
2653# define NSIG (_sys_nsig) /* Solaris 2.5 */
2654# endif
2655#endif
2656
2657/* Default to some arbitrary number that's big enough to get most
2658 of the common signals.
2659*/
2660#ifndef NSIG
2661# define NSIG 50
2662#endif
2663/* <-- NSIG logic from Configure */
2664
13b6e58c
JH		 2665#ifndef NO_ENVIRON_ARRAY
2666# define USE_ENVIRON_ARRAY
2667#endif
32f822de 2668
c77b533b
JH		 2669/*
2670 * initialise to avoid floating-point exceptions from overflow, etc
2671 */
2672#ifndef PERL_FPU_INIT
2673# ifdef HAS_FPSETMASK
2674# if HAS_FLOATINGPOINT_H
2675# include <floatingpoint.h>
2676# endif
ad3a8c67
NC		 2677/* Some operating systems have this as a macro, which in turn expands to a comma
2678 expression, and the last sub-expression is something that gets calculated,
2679 and then they have the gall to warn that a value computed is not used. Hence
2680 cast to void. */
2681# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2682# else
2f42fcb0 2683# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2684# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2685# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2686# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2687# else
2688# define PERL_FPU_INIT
2f42fcb0 2689
7014c407 2690# endif
c77b533b
JH		 2691# endif
2692#endif
b35112e7
CS		 2693#ifndef PERL_FPU_PRE_EXEC
2694# define PERL_FPU_PRE_EXEC {
2695# define PERL_FPU_POST_EXEC }
2696#endif
c77b533b 2697
cbec8ebe
DM		 2698#ifndef PERL_SYS_INIT3_BODY
2699# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2700#endif
2701
eb533572
DM		 2702/*
2703=for apidoc Am|void|PERL_SYS_INIT|int argc|char** argv
2704Provides system-specific tune up of the C runtime environment necessary to
2705run Perl interpreters. This should be called only once, before creating
2706any Perl interpreters.
2707
2708=for apidoc Am|void|PERL_SYS_INIT3|int argc|char** argv|char** env
2709Provides system-specific tune up of the C runtime environment necessary to
2710run Perl interpreters. This should be called only once, before creating
2711any Perl interpreters.
2712
2713=for apidoc Am|void|PERL_SYS_TERM|
2714Provides system-specific clean up of the C runtime environment after
2715running Perl interpreters. This should be called only once, after
2716freeing any remaining Perl interpreters.
2717
2718=cut
2719 */
2720
cbec8ebe
DM		 2721#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2722#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2723#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2724
be708cc0
JH		 2725#ifndef PERL_WRITE_MSG_TO_CONSOLE
2726# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2727#endif
2728
0f31cffe
GS		 2729#ifndef MAXPATHLEN
2730# ifdef PATH_MAX
b990c8b2
JH		 2731# ifdef _POSIX_PATH_MAX
2732# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2733/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2734 * included the null byte or not. Later amendments of POSIX,
2735 * XPG4, the Austin Group, and the Single UNIX Specification
2736 * all explicitly include the null byte in the PATH_MAX.
2737 * Ditto for _POSIX_PATH_MAX. */
2738# define MAXPATHLEN PATH_MAX
b990c8b2 2739# else
09448d78 2740# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2741# endif
2742# else
2743# define MAXPATHLEN (PATH_MAX+1)
2744# endif
0f31cffe 2745# else
b990c8b2 2746# ifdef _POSIX_PATH_MAX
09448d78 2747# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2748# else
2749# define MAXPATHLEN 1024 /* Err on the large side. */
2750# endif
0f31cffe
GS		 2751# endif
2752#endif
2753
c80263a8
SH		 2754/* In case Configure was not used (we are using a "canned config"
2755 * such as Win32, or a cross-compilation setup, for example) try going
2756 * by the gcc major and minor versions. One useful URL is
2757 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2758 * but contrary to this information warn_unused_result seems
2759 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2760 * Also, when building extensions with an installed perl, this allows
2761 * the user to upgrade gcc and get the right attributes, rather than
2762 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2763 * Set these up now otherwise we get confused when some of the <*thread.h>
2764 * includes below indirectly pull in <perlio.h> (which needs to know if we
2765 * have HASATTRIBUTE_FORMAT).
2766 */
2767
4d7c7898 2768#ifndef PERL_MICRO
fc2007d4 2769#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2770# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2771# define HASATTRIBUTE_DEPRECATED
2772# endif
c80263a8
SH		 2773# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2774# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2775# if defined __MINGW32__
2776# define PRINTF_FORMAT_NULL_OK
2777# endif
c80263a8
SH		 2778# endif
2779# if __GNUC__ >= 3 /* 3.0 -> */
2780# define HASATTRIBUTE_MALLOC
2781# endif
2782# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2783# define HASATTRIBUTE_NONNULL
2784# endif
2785# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2786# define HASATTRIBUTE_NORETURN
2787# endif
2788# if __GNUC__ >= 3 /* gcc 3.0 -> */
2789# define HASATTRIBUTE_PURE
2790# endif
42bf5550 2791# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2792# define HASATTRIBUTE_UNUSED
2793# endif
d324fe49
AD		 2794# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2795# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2796# endif
c80263a8
SH		 2797# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2798# define HASATTRIBUTE_WARN_UNUSED_RESULT
2799# endif
2800#endif
00f254e2 2801#endif /* #ifndef PERL_MICRO */
c80263a8 2802
3db8f154 2803/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2804 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2805 * this results in many functions being undeclared which bothers C++
2806 * May make sense to have threads after "*ish.h" anyway
2807 */
2808
3db8f154 2809#if defined(USE_ITHREADS)
2986a63f
JH		 2810# ifdef NETWARE
2811# include <nw5thread.h>
2812# else
32f822de
GS		 2813# ifdef FAKE_THREADS
2814# include "fakethr.h"
2815# else
2816# ifdef WIN32
2817# include <win32thread.h>
2818# else
dd96f567
IZ		 2819# ifdef OS2
2820# include "os2thread.h"
2821# else
7f3d1cf1 2822# ifdef I_MACH_CTHREADS
bdd66968 2823# include <mach/cthreads.h>
8f1f23e8 2824# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2825# define MUTEX_INIT_CALLS_MALLOC
2826# endif
7f3d1cf1
BH		 2827typedef cthread_t perl_os_thread;
2828typedef mutex_t perl_mutex;
2829typedef condition_t perl_cond;
2830typedef void * perl_key;
2831# else /* Posix threads */
1f5ae88c
JH		 2832# ifdef I_PTHREAD
2833# include <pthread.h>
2834# endif
7f3d1cf1
BH		 2835typedef pthread_t perl_os_thread;
2836typedef pthread_mutex_t perl_mutex;
2837typedef pthread_cond_t perl_cond;
2838typedef pthread_key_t perl_key;
2839# endif /* I_MACH_CTHREADS */
dd96f567 2840# endif /* OS2 */
32f822de
GS		 2841# endif /* WIN32 */
2842# endif /* FAKE_THREADS */
2986a63f 2843#endif /* NETWARE */
3db8f154 2844#endif /* USE_ITHREADS */
c5be433b 2845
66a93824 2846#if defined(WIN32)
1feb2720 2847# include "win32.h"
c5be433b
GS		 2848#endif
2849
2986a63f
JH		 2850#ifdef NETWARE
2851# include "netware.h"
2852#endif
2853
e5218da5 2854#define STATUS_UNIX PL_statusvalue
68dc0745 2855#ifdef VMS
6b88bc9c 2856# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2857/*
2858 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2859 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2860 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2861 * be updated also.
2862 */
2863# include <stsdef.h>
2864# include <ssdef.h>
2865/* Presume this because if VMS changes it, it will require a new
2866 * set of APIs for waiting on children for binary compatibility.
2867 */
2868# define child_offset_bits (8)
2869# ifndef C_FAC_POSIX
2870# define C_FAC_POSIX 0x35A000
2871# endif
2872
2873/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2874 * platform from the existing UNIX or Native status values.
2875 */
2876
37038d91 2877# define STATUS_EXIT \
7a7fd8e0
JM		 2878 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2879 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2880
7a7fd8e0 2881
fb38d079
JM		 2882/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2883 * exit code and shifts the UNIX value over the correct number of bits to
2884 * be a child status. Usually the number of bits is 8, but that could be
2885 * platform dependent. The NATIVE status code is presumed to have either
2886 * from a child process.
7a7fd8e0
JM		 2887 */
2888
fb38d079
JM		 2889/* This is complicated. The child processes return a true native VMS
2890 status which must be saved. But there is an assumption in Perl that
2891 the UNIX child status has some relationship to errno values, so
00f254e2 2892 Perl tries to translate it to text in some of the tests.
fb38d079
JM		 2893 In order to get the string translation correct, for the error, errno
2894 must be EVMSERR, but that generates a different text message
2895 than what the test programs are expecting. So an errno value must
2896 be derived from the native status value when an error occurs.
2897 That will hide the true native status message. With this version of
2898 perl, the true native child status can always be retrieved so that
2899 is not a problem. But in this case, Pl_statusvalue and errno may
2900 have different values in them.
2901 */
7a7fd8e0 2902
fb38d079 2903# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2904 STMT_START { \
2fbb330f
JM		 2905 I32 evalue = (I32)n; \
2906 if (evalue == EVMSERR) { \
2907 PL_statusvalue_vms = vaxc$errno; \
2908 PL_statusvalue = evalue; \
7a7fd8e0 2909 } else { \
2fbb330f 2910 PL_statusvalue_vms = evalue; \
fb38d079 2911 if (evalue == -1) { \
3280af22 2912 PL_statusvalue = -1; \
7a7fd8e0
JM		 2913 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2914 } else \
fb38d079 2915 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2916 set_vaxc_errno(evalue); \
fb38d079
JM		 2917 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2918 set_errno(EVMSERR); \
2919 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2920 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2921 } \
68dc0745 2922 } STMT_END
7a7fd8e0 2923
68dc0745 2924# ifdef VMSISH_STATUS
e5218da5 2925# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2926# else
e5218da5 2927# define STATUS_CURRENT STATUS_UNIX
68dc0745 2928# endif
7a7fd8e0
JM		 2929
2930 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2931 * the NATIVE status to an equivalent value. Can not be used to translate
2932 * exit code values as exit code values are not guaranteed to have any
2933 * relationship at all to errno values.
2934 * This is used when Perl is forcing errno to have a specific value.
2935 */
e5218da5 2936# define STATUS_UNIX_SET(n) \
68dc0745 2937 STMT_START { \
7a7fd8e0 2938 I32 evalue = (I32)n; \
0968cdad 2939 PL_statusvalue = evalue; \
3280af22 2940 if (PL_statusvalue != -1) { \
0968cdad
JM		 2941 if (PL_statusvalue != EVMSERR) { \
2942 PL_statusvalue &= 0xFFFF; \
2943 if (MY_POSIX_EXIT) \
2944 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2945 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2946 } \
2947 else { \
2948 PL_statusvalue_vms = vaxc$errno; \
2949 } \
68dc0745 2950 } \
0968cdad
JM		 2951 else PL_statusvalue_vms = SS$_ABORT; \
2952 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2953 } STMT_END
2954
2955 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 2956 * the NATIVE error status based on it.
2957 *
2958 * When in the default mode to comply with the Perl VMS documentation,
2959 * 0 is a success and any other code sets the NATIVE status to a failure
2960 * code of SS$_ABORT.
fb38d079
JM		 2961 *
2962 * In the new POSIX EXIT mode, native status will be set so that the
2963 * actual exit code will can be retrieved by the calling program or
2964 * shell.
2965 *
2966 * If the exit code is not clearly a UNIX parent or child exit status,
2967 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2968 */
2969
fb38d079 2970# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2971 STMT_START { \
2972 I32 evalue = (I32)n; \
2973 PL_statusvalue = evalue; \
e08e1e1d
JM		 2974 if (MY_POSIX_EXIT) { \
2975 if (evalue <= 0xFF00) { \
2976 if (evalue > 0xFF) \
2977 evalue = (evalue >> child_offset_bits) & 0xFF; \
2978 PL_statusvalue_vms = \
2979 (C_FAC_POSIX | (evalue << 3 ) | \
2980 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
2981 } else /* forgive them Perl, for they have sinned */ \
2982 PL_statusvalue_vms = evalue; \
2983 } else { \
2984 if (evalue == 0) \
2985 PL_statusvalue_vms = SS$_NORMAL; \
2986 else if (evalue <= 0xFF00) \
2987 PL_statusvalue_vms = SS$_ABORT; \
2988 else { /* forgive them Perl, for they have sinned */ \
2989 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2990 else PL_statusvalue_vms = vaxc$errno; \
2991 /* And obviously used a VMS status value instead of UNIX */ \
2992 PL_statusvalue = EVMSERR; \
2993 } \
2994 set_vaxc_errno(PL_statusvalue_vms); \
2995 } \
68dc0745 2996 } STMT_END
fb38d079 2997
e08e1e1d 2998
6ac6a52b
JM		 2999 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3000 * and sets the NATIVE error status based on it. This special case
3001 * is needed to maintain compatibility with past VMS behavior.
3002 *
3003 * In the default mode on VMS, this number is passed through as
3004 * both the NATIVE and UNIX status. Which makes it different
3005 * that the STATUS_UNIX_EXIT_SET.
3006 *
3007 * In the new POSIX EXIT mode, native status will be set so that the
3008 * actual exit code will can be retrieved by the calling program or
3009 * shell.
3010 *
1a3aec58
JM		 3011 * A POSIX exit code is from 0 to 255. If the exit code is higher
3012 * than this, it needs to be assumed that it is a VMS exit code and
3013 * passed through.
6ac6a52b
JM		 3014 */
3015
3016# define STATUS_EXIT_SET(n) \
3017 STMT_START { \
3018 I32 evalue = (I32)n; \
3019 PL_statusvalue = evalue; \
3020 if (MY_POSIX_EXIT) \
1a3aec58
JM		 3021 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3022 PL_statusvalue_vms = \
3023 (C_FAC_POSIX | (evalue << 3 ) | \
3024 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 3025 else \
3026 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3027 set_vaxc_errno(PL_statusvalue_vms); \
3028 } STMT_END
3029
fb38d079
JM		 3030
3031 /* This macro forces a success status */
7a7fd8e0
JM		 3032# define STATUS_ALL_SUCCESS \
3033 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 3034
3035 /* This macro forces a failure status */
7a7fd8e0
JM		 3036# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3037 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3038 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3039
68dc0745 3040#else
e5218da5 3041# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3042# if defined(WCOREDUMP)
37038d91 3043# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3044 STMT_START { \
3045 PL_statusvalue_posix = (n); \
3046 if (PL_statusvalue_posix == -1) \
3047 PL_statusvalue = -1; \
3048 else { \
3049 PL_statusvalue = \
3050 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3051 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3052 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3053 } \
3054 } STMT_END
3055# elif defined(WIFEXITED)
37038d91 3056# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3057 STMT_START { \
3058 PL_statusvalue_posix = (n); \
3059 if (PL_statusvalue_posix == -1) \
3060 PL_statusvalue = -1; \
3061 else { \
3062 PL_statusvalue = \
3063 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3064 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3065 } \
3066 } STMT_END
3067# else
37038d91 3068# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3069 STMT_START { \
3070 PL_statusvalue_posix = (n); \
3071 if (PL_statusvalue_posix == -1) \
3072 PL_statusvalue = -1; \
3073 else { \
3074 PL_statusvalue = \
3075 PL_statusvalue_posix & 0xFFFF; \
3076 } \
3077 } STMT_END
3078# endif
3079# define STATUS_UNIX_SET(n) \
68dc0745 3080 STMT_START { \
3280af22
NIS		 3081 PL_statusvalue = (n); \
3082 if (PL_statusvalue != -1) \
3083 PL_statusvalue &= 0xFFFF; \
68dc0745 3084 } STMT_END
7a7fd8e0 3085# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3086# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3087# define STATUS_CURRENT STATUS_UNIX
37038d91 3088# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3089# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3090# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3091#endif
3092
cc3604b1
GS		 3093/* flags in PL_exit_flags for nature of exit() */
3094#define PERL_EXIT_EXPECTED 0x01
31d77e54 3095#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3096
0b94c7bb 3097#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 3098# define MEMBER_TO_FPTR(name) name
3099#endif
3100
b79b76e0 3101#ifndef PERL_CORE
a7cb1f99 3102/* format to use for version numbers in file/directory names */
273cf8d1 3103/* XXX move to Configure? */
b79b76e0
NC		 3104/* This was only ever used for the current version, and that can be done at
3105 compile time, as PERL_FS_VERSION, so should we just delete it? */
3106# ifndef PERL_FS_VER_FMT
3107# define PERL_FS_VER_FMT "%d.%d.%d"
3108# endif
3109#endif
3110
3111#ifndef PERL_FS_VERSION
3112# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS		 3113#endif
3114
45bc9206 3115/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3116 * performance issue, so we allow people to disable it. Also, if
3117 * we are using stdio, there are broken implementations of fflush(NULL)
3118 * out there, Solaris being the most prominent.
45bc9206
GS		 3119 */
3120#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3121# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3122# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3123# else
3124# ifdef FFLUSH_ALL
3125# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3126# else
c5be433b 3127# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3128# endif
66fe083f 3129# endif
45bc9206
GS		 3130#endif
3131
7766f137
GS		 3132#ifndef PERL_WAIT_FOR_CHILDREN
3133# define PERL_WAIT_FOR_CHILDREN NOOP
3134#endif
3135
ba869deb 3136/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3137#ifndef PERL_SET_INTERP
3138# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3139#endif
3140
3141#ifndef PERL_GET_INTERP
3142# define PERL_GET_INTERP (PL_curinterp)
3143#endif
3144
54aff467 3145#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3146# ifdef MULTIPLICITY
ba869deb 3147# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3148# endif
ba869deb
GS		 3149# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3150#endif
3151
00f254e2 3152/*
8896765a 3153 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3154 All that is required is that the perl source does not
00f254e2
KW		 3155 use "%-p" or "%-<number>p" or "%<number>p" formats.
3156 These formats will still work in perl code.
8896765a
RB		 3157 See comments in sv.c for futher details.
3158
8896765a 3159 Robin Barker 2005-07-14
f46d31f2 3160
00f254e2 3161 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3162*/
8896765a
RB		 3163
3164#ifndef SVf_
63ce7bf0 3165# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3166#endif
3167
8896765a 3168#ifndef SVf
104abab4 3169# define SVf "-p"
d2560b70
RB		 3170#endif
3171
014ead4b 3172#ifndef SVf32
8896765a 3173# define SVf32 SVf_(32)
014ead4b
RB		 3174#endif
3175
3176#ifndef SVf256
8896765a
RB		 3177# define SVf256 SVf_(256)
3178#endif
3179
be2597df
MHM		 3180#define SVfARG(p) ((void*)(p))
3181
f46d31f2 3182#ifdef PERL_CORE
00f254e2 3183/* not used; but needed for backward compatibilty with XS code? - RMB */
f46d31f2
RB		 3184# undef VDf
3185#else
3186# ifndef VDf
8896765a
RB		 3187# define VDf "vd"
3188# endif
014ead4b 3189#endif
170cd9e9
NC		 3190
3191#ifdef PERL_CORE
00f254e2 3192/* not used; but needed for backward compatibilty with XS code? - RMB */
7776bb98
RB		 3193# undef UVf
3194#else
170cd9e9
NC		 3195# ifndef UVf
3196# define UVf UVuf
3197# endif
d2560b70
RB		 3198#endif
3199
fcdf39cf
RGS		 3200#ifdef HASATTRIBUTE_DEPRECATED
3201# define __attribute__deprecated__ __attribute__((deprecated))
3202#endif
0dbb1585
AL		 3203#ifdef HASATTRIBUTE_FORMAT
3204# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3205#endif
3206#ifdef HASATTRIBUTE_MALLOC
77785eea 3207# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3208#endif
0dbb1585 3209#ifdef HASATTRIBUTE_NONNULL
abb2c242 3210# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3211#endif
0dbb1585 3212#ifdef HASATTRIBUTE_NORETURN
abb2c242 3213# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3214#endif
0dbb1585 3215#ifdef HASATTRIBUTE_PURE
abb2c242 3216# define __attribute__pure__ __attribute__((pure))
f22be1b8 3217#endif
0dbb1585
AL		 3218#ifdef HASATTRIBUTE_UNUSED
3219# define __attribute__unused__ __attribute__((unused))
3220#endif
3221#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3222# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3223#endif
3224
0dbb1585 3225/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3226#ifndef __attribute__deprecated__
3227# define __attribute__deprecated__
3228#endif
0dbb1585
AL		 3229#ifndef __attribute__format__
3230# define __attribute__format__(x,y,z)
3231#endif
f22be1b8 3232#ifndef __attribute__malloc__
abb2c242 3233# define __attribute__malloc__
f22be1b8
JH		 3234#endif
3235#ifndef __attribute__nonnull__
abb2c242 3236# define __attribute__nonnull__(a)
f22be1b8
JH		 3237#endif
3238#ifndef __attribute__noreturn__
abb2c242 3239# define __attribute__noreturn__
f22be1b8
JH		 3240#endif
3241#ifndef __attribute__pure__
abb2c242 3242# define __attribute__pure__
f22be1b8 3243#endif
0dbb1585
AL		 3244#ifndef __attribute__unused__
3245# define __attribute__unused__
3246#endif
f22be1b8 3247#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3248# define __attribute__warn_unused_result__
3249#endif
3250
0dbb1585
AL		 3251/* For functions that are marked as __attribute__noreturn__, it's not
3252 appropriate to call return. In either case, include the lint directive.
3253 */
3254#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3255# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3256#else
b37c2d43 3257# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH		 3258#endif
3259
cdfeb707
RB		 3260/* Some OS warn on NULL format to printf */
3261#ifdef PRINTF_FORMAT_NULL_OK
3262# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3263#else
00f254e2 3264# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB		 3265#endif
3266
635aebb7 3267#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3268# define EXPECT(expr,val) __builtin_expect(expr,val)
3269#else
3270# define EXPECT(expr,val) (expr)
3271#endif
3272#define LIKELY(cond) EXPECT(cond,1)
3273#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3274#ifdef HAS_BUILTIN_CHOOSE_EXPR
3275/* placeholder */
3276#endif
b37c2d43 3277
3fc1aec6 3278/* Some unistd.h's give a prototype for pause() even though
3279 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3280 below to be rejected by the compiler. Sigh.
3fc1aec6 3281*/
3282#ifdef HAS_PAUSE
3283#define Pause pause
3284#else
3285#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3286#endif
3287
3288#ifndef IOCPARM_LEN
3289# ifdef IOCPARM_MASK
61f1c44b 3290 /* on BSDish systems we're safe */
748a9306
LW		 3291# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3292# else
61f1c44b 3293# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3294 /* on Linux systems we're safe; except when we're not [perl #38223] */
3295# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3296# else
748a9306 3297 /* otherwise guess at what's safe */
61f1c44b
JVD		 3298# define IOCPARM_LEN(x) 256
3299# endif
748a9306 3300# endif
a0d0e21e
LW		 3301#endif
3302
1761cee5 3303#if defined(__CYGWIN__)
521e0776
GS		 3304/* USEMYBINMODE
3305 * This symbol, if defined, indicates that the program should
16fe6d59 3306 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3307 * that a file is in "binary" mode -- that is, that no translation
3308 * of bytes occurs on read or write operations.
3309 */
36894f0b 3310# define USEMYBINMODE /**/
77a40698 3311# include <io.h> /* for setmode() prototype */
16fe6d59 3312# define my_binmode(fp, iotype, mode) \
77a40698 3313 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3314#endif
3315
88d10794
JH		 3316#ifdef __CYGWIN__
3317void init_os_extras(void);
3318#endif
3319
cea2e8a9
GS		 3320#ifdef UNION_ANY_DEFINITION
3321UNION_ANY_DEFINITION;
3322#else
3323union any {
3324 void* any_ptr;
3325 I32 any_i32;
3326 IV any_iv;
c6bf6a65 3327 UV any_uv;
cea2e8a9 3328 long any_long;
9febdf04 3329 bool any_bool;
c76ac1ee 3330 void (*any_dptr) (void*);
acfe0abc 3331 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3332};
3333#endif
3334
acfe0abc 3335typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3336
3337#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3338#define FILTER_DATA(idx) \
3339 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3340#define FILTER_ISREADER(idx) \
3341 (PL_parser && PL_parser->rsfp_filters \
3342 && idx >= AvFILLp(PL_parser->rsfp_filters))
3343#define PERL_FILTER_EXISTS(i) \
3344 (PL_parser && PL_parser->rsfp_filters \
3345 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3346
c5078cac
JH		 3347#if defined(_AIX) && !defined(_AIX43)
3348#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3349/* We cannot include <crypt.h> to get the struct crypt_data
3350 * because of setkey prototype problems when threading */
3351typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3352 /* From OSF, Not needed in AIX
3353 char C[28], D[28];
3354 */
3355 char E[48];
3356 char KS[16][48];
3357 char block[66];
3358 char iobuf[16];
3359} CRYPTD;
3360#endif /* threading */
3361#endif /* AIX */
3362
e37778c2 3363#if !defined(OS2)
2c2d71f5
JH		 3364# include "iperlsys.h"
3365#endif
504f80c1 3366
9c12f1e5 3367#ifdef __LIBCATAMOUNT__
00f254e2 3368#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS		 3369#undef HAS_GROUP
3370#define FAKE_BIT_BUCKET
3371#endif
3372
d10dc2ae
JH		 3373/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3374 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3375 * defined by Configure, despite their names being similar to the
3376 * other defines like USE_ITHREADS. Configure in fact knows nothing
3377 * about the randomised hashes. Therefore to enable/disable the hash
3378 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3379#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3380# define USE_HASH_SEED
504f80c1
JH		 3381#endif
3382
598921a7
NC		 3383/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3384 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3385 * it's not really needed.
3386 */
3387#if defined(WIN32)
3388# define YYTOKENTYPE
3389#endif
3390#include "perly.h"
3391
3392#ifdef PERL_MAD
3393struct nexttoken {
3394 YYSTYPE next_val; /* value of next token, if any */
3395 I32 next_type; /* type of next token */
3396 MADPROP *next_mad; /* everything else about that token */
3397};
3398#endif
3399
654eccd5
JD		 3400/* macros to define bit-fields in structs. */
3401#ifndef PERL_BITFIELD8
3402# define PERL_BITFIELD8 unsigned
3403#endif
3404#ifndef PERL_BITFIELD16
3405# define PERL_BITFIELD16 unsigned
3406#endif
3407#ifndef PERL_BITFIELD32
3408# define PERL_BITFIELD32 unsigned
3409#endif
3410
79072805 3411#include "sv.h"
288b8c02 3412#include "regexp.h"
378cc40b 3413#include "util.h"
8d063cd8 3414#include "form.h"
79072805 3415#include "gv.h"
dd2155a4 3416#include "pad.h"
79072805 3417#include "cv.h"
abdd5c84 3418#include "opnames.h"
79072805 3419#include "op.h"
b3ca2e83 3420#include "hv.h"
79072805
LW		 3421#include "cop.h"
3422#include "av.h"
79072805
LW		 3423#include "mg.h"
3424#include "scope.h"
4438c4b7 3425#include "warnings.h"
a0ed51b3 3426#include "utf8.h"
8d063cd8 3427
20f4945e 3428/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM		 3429#undef _XPV_HEAD
3430#undef _XPVMG_HEAD
3431#undef _XPVCV_COMMON
7fae4e64
GS		 3432
3433typedef struct _sublex_info SUBLEXINFO;
3434struct _sublex_info {
651b5b28
NC		 3435 U8 super_state; /* lexer state to save */
3436 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3437 OP *sub_op; /* "lex_op" to use */
f06b5848
DM		 3438 char *super_bufptr; /* PL_parser->bufptr that was */
3439 char *super_bufend; /* PL_parser->bufend that was */
7fae4e64
GS		 3440};
3441
199e78b7
DM		 3442#include "parser.h"
3443
455ece5e 3444typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3445
2c2d71f5 3446struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3447struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3448
5f7fde29
GS		 3449struct ptr_tbl_ent {
3450 struct ptr_tbl_ent* next;
53c1dcc0 3451 const void* oldval;
5f7fde29 3452 void* newval;
d18c6117
GS		 3453};
3454
5f7fde29
GS		 3455struct ptr_tbl {
3456 struct ptr_tbl_ent** tbl_ary;
3457 UV tbl_max;
3458 UV tbl_items;
db93c0c4
NC		 3459 struct ptr_tbl_arena *tbl_arena;
3460 struct ptr_tbl_ent *tbl_arena_next;
3461 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS		 3462};
3463
450a55e4 3464#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3465# define I286
3466#endif
3467
fe14fcc3
LW		 3468#if defined(htonl) && !defined(HAS_HTONL)
3469#define HAS_HTONL
ae986130 3470#endif
fe14fcc3
LW		 3471#if defined(htons) && !defined(HAS_HTONS)
3472#define HAS_HTONS
ae986130 3473#endif
fe14fcc3
LW		 3474#if defined(ntohl) && !defined(HAS_NTOHL)
3475#define HAS_NTOHL
ae986130 3476#endif
fe14fcc3
LW		 3477#if defined(ntohs) && !defined(HAS_NTOHS)
3478#define HAS_NTOHS
ae986130 3479#endif
fe14fcc3 3480#ifndef HAS_HTONL
d9d8d8de 3481#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3482#define HAS_HTONS
3483#define HAS_HTONL
3484#define HAS_NTOHS
3485#define HAS_NTOHL
a687059c
LW		 3486#define MYSWAP
3487#define htons my_swap
3488#define htonl my_htonl
3489#define ntohs my_swap
3490#define ntohl my_ntohl
3491#endif
3492#else
d9d8d8de 3493#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3494#undef HAS_HTONS
3495#undef HAS_HTONL
3496#undef HAS_NTOHS
3497#undef HAS_NTOHL
a687059c
LW		 3498#endif
3499#endif
3500
988174c1
LW		 3501/*
3502 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3503 * -DWS
3504 */
3505#if BYTEORDER != 0x1234
3506# define HAS_VTOHL
3507# define HAS_VTOHS
3508# define HAS_HTOVL
3509# define HAS_HTOVS
c67712b2 3510# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3511# define vtohl(x) ((((x)&0xFF)<<24) \
3512 +(((x)>>24)&0xFF) \
3513 +(((x)&0x0000FF00)<<8) \
3514 +(((x)&0x00FF0000)>>8) )
3515# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3516# define htovl(x) vtohl(x)
3517# define htovs(x) vtohs(x)
3518# endif
3519 /* otherwise default to functions in util.c */
2a8c3029 3520#ifndef htovs
c623ac67
GS		 3521short htovs(short n);
3522short vtohs(short n);
3523long htovl(long n);
3524long vtohl(long n);
988174c1 3525#endif
2a8c3029 3526#endif
988174c1 3527
3bb7c1b4
JH		 3528/* *MAX Plus 1. A floating point value.
3529 Hopefully expressed in a way that dodgy floating point can't mess up.
3530 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3531 is added to it
3532 May find that some broken compiler will want the value cast to I32.
3533 [after the shift, as signed >> may not be as secure as unsigned >>]
3534*/
3535#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3536#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3537/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3538 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3539 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3540*/
3541#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3542
3bb7c1b4
JH		 3543#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3544#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3545#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3546
3547/* This may look like unnecessary jumping through hoops, but converting
3548 out of range floating point values to integers *is* undefined behaviour,
3549 and it is starting to bite.
3550*/
3551#ifndef CAST_INLINE
65202027 3552#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3553#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3554#define I_V(what) (cast_iv((NV)(what)))
3555#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3556#else
3557#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3558 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3559 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3560#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3561 : ((n) < U32_MAX_P1 ? (U32) (n) \
3562 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3563#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3564 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3565 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3566#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3567 : ((n) < UV_MAX_P1 ? (UV) (n) \
3568 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3569#endif
3570
3571#define U_S(what) ((U16)U_32(what))
3572#define U_I(what) ((unsigned int)U_32(what))
3573#define U_L(what) U_32(what)
ed6116ce 3574
ed140128
AD		 3575#ifdef HAS_SIGNBIT
3576# define Perl_signbit signbit
3577#endif
3578
2d4389e4
JH		 3579/* These do not care about the fractional part, only about the range. */
3580#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3581#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3582
25da4f38
IZ		 3583/* Used with UV/IV arguments: */
3584 /* XXXX: need to speed it up */
3585#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3586#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3587
352d5a3a
LW		 3588#ifndef MAXSYSFD
3589# define MAXSYSFD 2
3590#endif
ee0007ab 3591
79072805 3592#ifndef __cplusplus
27da23d5 3593#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3594Uid_t getuid (void);
3595Uid_t geteuid (void);
3596Gid_t getgid (void);
3597Gid_t getegid (void);
79072805 3598#endif
e1caacb4 3599#endif
8d063cd8 3600
0c30d9ec 3601#ifndef Perl_debug_log
bf49b057
GS		 3602# define Perl_debug_log PerlIO_stderr()
3603#endif
3604
3605#ifndef Perl_error_log
3606# define Perl_error_log (PL_stderrgv \
6b78add2 3607 && isGV(PL_stderrgv) \
01bb7c6d 3608 && GvIOp(PL_stderrgv) \
42de951c 3609 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3610 ? IoOFP(GvIOp(PL_stderrgv)) \
3611 : PerlIO_stderr())
0c30d9ec 3612#endif
3967c732 3613
aea4f609
DM		 3614
3615#define DEBUG_p_FLAG 0x00000001 /* 1 */
3616#define DEBUG_s_FLAG 0x00000002 /* 2 */
3617#define DEBUG_l_FLAG 0x00000004 /* 4 */
3618#define DEBUG_t_FLAG 0x00000008 /* 8 */
3619#define DEBUG_o_FLAG 0x00000010 /* 16 */
3620#define DEBUG_c_FLAG 0x00000020 /* 32 */
3621#define DEBUG_P_FLAG 0x00000040 /* 64 */
3622#define DEBUG_m_FLAG 0x00000080 /* 128 */
3623#define DEBUG_f_FLAG 0x00000100 /* 256 */
3624#define DEBUG_r_FLAG 0x00000200 /* 512 */
3625#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3626#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3627/* U is reserved for Unofficial, exploratory hacking */
3628#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3629#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3630#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3631#define DEBUG_D_FLAG 0x00008000 /* 32768 */
d2c25739 3632/* 0x00010000 is unused, used to be S */
aea4f609 3633#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3634#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3635#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3636#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3637#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3638#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3639#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 3640#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3641#define DEBUG_B_FLAG 0x02000000 /*33554432*/
3642#define DEBUG_MASK 0x03FEEFFF /* mask of all the standard flags */
aea4f609
DM		 3643
3644#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3645#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3646 that something was done? */
aea4f609 3647
bd16a5f0
IZ		 3648# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3649# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3650# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3651# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3652# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3653# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3654# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3655# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3656# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3657# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3658# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3659# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3660# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3661# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3662# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3663# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
bd16a5f0
IZ		 3664# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3665# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3666# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3667# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3668# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3669# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3670# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3671# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3672# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3673# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3674# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3675
3967c732 3676#ifdef DEBUGGING
aea4f609 3677
bd16a5f0
IZ		 3678# define DEBUG_p_TEST DEBUG_p_TEST_
3679# define DEBUG_s_TEST DEBUG_s_TEST_
3680# define DEBUG_l_TEST DEBUG_l_TEST_
3681# define DEBUG_t_TEST DEBUG_t_TEST_
3682# define DEBUG_o_TEST DEBUG_o_TEST_
3683# define DEBUG_c_TEST DEBUG_c_TEST_
3684# define DEBUG_P_TEST DEBUG_P_TEST_
3685# define DEBUG_m_TEST DEBUG_m_TEST_
3686# define DEBUG_f_TEST DEBUG_f_TEST_
3687# define DEBUG_r_TEST DEBUG_r_TEST_
3688# define DEBUG_x_TEST DEBUG_x_TEST_
3689# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3690# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3691# define DEBUG_H_TEST DEBUG_H_TEST_
3692# define DEBUG_X_TEST DEBUG_X_TEST_
3693# define DEBUG_D_TEST DEBUG_D_TEST_
bd16a5f0
IZ		 3694# define DEBUG_T_TEST DEBUG_T_TEST_
3695# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3696# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3697# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3698# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3699# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3700# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3701# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3702# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC		 3703# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3704# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
aea4f609 3705
488b0c7a
JH		 3706# define PERL_DEB(a) a
3707# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3708# define DEBUG_p(a) if (DEBUG_p_TEST) a
3709# define DEBUG_s(a) if (DEBUG_s_TEST) a
3710# define DEBUG_l(a) if (DEBUG_l_TEST) a
3711# define DEBUG_t(a) if (DEBUG_t_TEST) a
3712# define DEBUG_o(a) if (DEBUG_o_TEST) a
3713# define DEBUG_c(a) if (DEBUG_c_TEST) a
3714# define DEBUG_P(a) if (DEBUG_P_TEST) a
3715
969058bb
VK		 3716 /* Temporarily turn off memory debugging in case the a
3717 * does memory allocation, either directly or indirectly. */
acfe0abc 3718# define DEBUG_m(a) \
0b250b9e 3719 STMT_START { \
aea4f609 3720 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3721 } STMT_END
aea4f609 3722
5f80b19c
AMS		 3723# define DEBUG__(t, a) \
3724 STMT_START { \
3725 if (t) STMT_START {a;} STMT_END; \
3726 } STMT_END
3727
3728# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3729#ifndef PERL_EXT_RE_BUILD
5f80b19c 3730# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3731#else
3732# define DEBUG_r(a) STMT_START {a;} STMT_END
3733#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3734# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3735# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3736# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3737# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3738# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3739# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3740# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3741# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
aea4f609 3742
5f80b19c
AMS		 3743# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3744# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3745# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3746# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3747# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3748# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3749# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3750# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM		 3751
3752#else /* DEBUGGING */
3753
3754# define DEBUG_p_TEST (0)
3755# define DEBUG_s_TEST (0)
3756# define DEBUG_l_TEST (0)
3757# define DEBUG_t_TEST (0)
3758# define DEBUG_o_TEST (0)
3759# define DEBUG_c_TEST (0)
3760# define DEBUG_P_TEST (0)
3761# define DEBUG_m_TEST (0)
3762# define DEBUG_f_TEST (0)
3763# define DEBUG_r_TEST (0)
3764# define DEBUG_x_TEST (0)
3765# define DEBUG_u_TEST (0)
88d2d28a 3766# define DEBUG_U_TEST (0)
aea4f609
DM		 3767# define DEBUG_H_TEST (0)
3768# define DEBUG_X_TEST (0)
3769# define DEBUG_D_TEST (0)
aea4f609 3770# define DEBUG_T_TEST (0)
04932ac8 3771# define DEBUG_R_TEST (0)
1045810a 3772# define DEBUG_J_TEST (0)
d6721266 3773# define DEBUG_v_TEST (0)
46187eeb 3774# define DEBUG_C_TEST (0)
ecae49c0
NC		 3775# define DEBUG_A_TEST (0)
3776# define DEBUG_q_TEST (0)
d7c0d282 3777# define DEBUG_M_TEST (0)
cc8773c0 3778# define DEBUG_B_TEST (0)
7949c6f5
JC		 3779# define DEBUG_Xv_TEST (0)
3780# define DEBUG_Uv_TEST (0)
aea4f609 3781
488b0c7a
JH		 3782# define PERL_DEB(a)
3783# define PERL_DEBUG(a)
aea4f609
DM		 3784# define DEBUG_p(a)
3785# define DEBUG_s(a)
3786# define DEBUG_l(a)
3787# define DEBUG_t(a)
3788# define DEBUG_o(a)
3789# define DEBUG_c(a)
3790# define DEBUG_P(a)
3791# define DEBUG_m(a)
3792# define DEBUG_f(a)
3793# define DEBUG_r(a)
3794# define DEBUG_x(a)
3795# define DEBUG_u(a)
88d2d28a 3796# define DEBUG_U(a)
aea4f609
DM		 3797# define DEBUG_H(a)
3798# define DEBUG_X(a)
3799# define DEBUG_D(a)
aea4f609 3800# define DEBUG_T(a)
04932ac8 3801# define DEBUG_R(a)
d6721266 3802# define DEBUG_v(a)
46187eeb 3803# define DEBUG_C(a)
ecae49c0
NC		 3804# define DEBUG_A(a)
3805# define DEBUG_q(a)
d7c0d282 3806# define DEBUG_M(a)
cc8773c0 3807# define DEBUG_B(a)
7949c6f5
JC		 3808# define DEBUG_Xv(a)
3809# define DEBUG_Uv(a)
aea4f609
DM		 3810#endif /* DEBUGGING */
3811
3812
b4ab917c 3813#define DEBUG_SCOPE(where) \
1c98cc53
DM		 3814 DEBUG_l(WITH_THR( \
3815 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
3816 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
3817 __FILE__, __LINE__)));
b4ab917c
DM		 3818
3819
3820
3821
d1be9408 3822/* These constants should be used in preference to raw characters
14befaf4
DM		 3823 * when using magic. Note that some perl guts still assume
3824 * certain character properties of these constants, namely that
3825 * isUPPER() and toLOWER() may do useful mappings.
3826 *
3827 * Update the magic_names table in dump.c when adding/amending these
3828 */
3829
3830#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3831#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3832#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3833#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3834#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3835#define PERL_MAGIC_regdata 'D' /* Regex match position data
3836 (@+ and @- vars) */
3837#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3838#define PERL_MAGIC_env 'E' /* %ENV hash */
3839#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3840#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3841#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
b3ca2e83
NC		 3842#define PERL_MAGIC_hints 'H' /* %^H hash */
3843#define PERL_MAGIC_hintselem 'h' /* %^H hash element */
14befaf4
DM		 3844#define PERL_MAGIC_isa 'I' /* @ISA array */
3845#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3846#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3847#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3848#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3849#define PERL_MAGIC_shared 'N' /* Shared between threads */
3850#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3851#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3852#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3853#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3854#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3855#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3856#define PERL_MAGIC_sig 'S' /* %SIG hash */
3857#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3858#define PERL_MAGIC_taint 't' /* Taintedness */
3859#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3860#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3861#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3862#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3863#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3864#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3865#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3866 smart parameter vivification */
14befaf4
DM		 3867#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3868#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3869#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3870#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3871#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3872#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM		 3873#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3874
de84dc04
NC		 3875#if defined(DEBUGGING) && defined(I_ASSERT)
3876# include <assert.h>
3877#endif
3878
3879/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3880 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3881
de84dc04 3882#define Perl_assert(what) PERL_DEB( \
2b057284 3883 ((what) ? ((void) 0) : \
67eb4d30 3884 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3885 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3886 (void) 0)))
de84dc04
NC		 3887
3888#ifndef assert
3889# define assert(what) Perl_assert(what)
a446a88f 3890#endif
8d063cd8 3891
450a55e4 3892struct ufuncs {
24f81a43
DM		 3893 I32 (*uf_val)(pTHX_ IV, SV*);
3894 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3895 IV uf_index;
450a55e4
LW		 3896};
3897
14befaf4 3898/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3899 * XS code wanting to be backward compatible can do something
3900 * like the following:
c745e42c 3901
24f81a43 3902#ifndef PERL_MG_UFUNC
24f81a43
DM		 3903#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3904#endif
3905
3906static PERL_MG_UFUNC(foo_get, index, val)
3907{
3908 sv_setsv(val, ...);
3909 return TRUE;
3910}
3911
3912-- Doug MacEachern
3913
3914*/
3915
fc9c74e6 3916#ifndef PERL_MG_UFUNC
24f81a43 3917#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3918#endif
24f81a43 3919
fe14fcc3 3920/* Fix these up for __STDC__ */
68dc0745 3921#ifndef DONT_DECLARE_STD
20ce7b12 3922char *mktemp (char*);
37bd1396 3923#ifndef atof
20ce7b12 3924double atof (const char*);
a0d0e21e 3925#endif
37bd1396 3926#endif
79072805 3927
352d5a3a 3928#ifndef STANDARD_C
fe14fcc3 3929/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3930Time_t time();
8d063cd8 3931struct tm *gmtime(), *localtime();
092bebab 3932#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3933char *(strchr)(), *(strrchr)();
3934char *(strcpy)(), *(strcat)();
3935#else
93a17b20 3936char *strchr(), *strrchr();
378cc40b 3937char *strcpy(), *strcat();
9d116dd7 3938#endif
352d5a3a 3939#endif /* ! STANDARD_C */
8d063cd8 3940
79072805
LW		 3941
3942#ifdef I_MATH
3943# include <math.h>
3944#else
32f822de 3945START_EXTERN_C
20ce7b12
GS		 3946 double exp (double);
3947 double log (double);
3948 double log10 (double);
3949 double sqrt (double);
3950 double frexp (double,int*);
3951 double ldexp (double,int);
3952 double modf (double,double*);
3953 double sin (double);
3954 double cos (double);
3955 double atan2 (double,double);
3956 double pow (double,double);
32f822de 3957END_EXTERN_C
79072805
LW		 3958#endif
3959
aa8b85de
JH		 3960#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3961# define NV_INF LDBL_INFINITY
3962#endif
3963#if !defined(NV_INF) && defined(DBL_INFINITY)
3964# define NV_INF (NV)DBL_INFINITY
3965#endif
3966#if !defined(NV_INF) && defined(INFINITY)
3967# define NV_INF (NV)INFINITY
3968#endif
3969#if !defined(NV_INF) && defined(INF)
3970# define NV_INF (NV)INF
3971#endif
3972#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3973# define NV_INF (NV)HUGE_VALL
3974#endif
3975#if !defined(NV_INF) && defined(HUGE_VAL)
3976# define NV_INF (NV)HUGE_VAL
3977#endif
3978
3979#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3980# if !defined(NV_NAN) && defined(LDBL_NAN)
3981# define NV_NAN LDBL_NAN
3982# endif
3983# if !defined(NV_NAN) && defined(LDBL_QNAN)
3984# define NV_NAN LDBL_QNAN
3985# endif
3986# if !defined(NV_NAN) && defined(LDBL_SNAN)
3987# define NV_NAN LDBL_SNAN
3988# endif
3989#endif
3990#if !defined(NV_NAN) && defined(DBL_NAN)
3991# define NV_NAN (NV)DBL_NAN
3992#endif
3993#if !defined(NV_NAN) && defined(DBL_QNAN)
3994# define NV_NAN (NV)DBL_QNAN
3995#endif
3996#if !defined(NV_NAN) && defined(DBL_SNAN)
3997# define NV_NAN (NV)DBL_SNAN
3998#endif
3999#if !defined(NV_NAN) && defined(QNAN)
4000# define NV_NAN (NV)QNAN
4001#endif
4002#if !defined(NV_NAN) && defined(SNAN)
4003# define NV_NAN (NV)SNAN
4004#endif
4005#if !defined(NV_NAN) && defined(NAN)
4006# define NV_NAN (NV)NAN
4007#endif
4008
a0d0e21e 4009#ifndef __cplusplus
8f1f23e8 4010# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 4011char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 4012# else
fd8cd3a3 4013# if !defined(WIN32) && !defined(VMS)
10bc17b6 4014#ifndef crypt
20ce7b12 4015char *crypt (const char*, const char*);
10bc17b6 4016#endif
5014db98 4017# endif /* !WIN32 */
8f1f23e8 4018# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 4019# ifndef DONT_DECLARE_STD
4020# ifndef getenv
20ce7b12 4021char *getenv (const char*);
26618a56 4022# endif /* !getenv */
28ca6303 4023# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 4024# ifdef _FILE_OFFSET_BITS
28ca6303 4025# if _FILE_OFFSET_BITS == 64
20ce7b12 4026Off_t lseek (int,Off_t,int);
0fc67700
JH		 4027# endif
4028# endif
bf0c440f 4029# endif
26618a56 4030# endif /* !DONT_DECLARE_STD */
10bc17b6 4031#ifndef getlogin
20ce7b12 4032char *getlogin (void);
10bc17b6 4033#endif
26618a56 4034#endif /* !__cplusplus */
79072805 4035
7a7fd8e0
JM		 4036/* Fixme on VMS. This needs to be a run-time, not build time options */
4037/* Also rename() is affected by this */
16d20bd9 4038#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 4039#define UNLINK unlnk
083639a9 4040I32 unlnk (pTHX_ const char*);
8d063cd8 4041#else
80252599 4042#define UNLINK PerlLIO_unlink
8d063cd8 4043#endif
a687059c 4044
fa0a29af
JH		 4045/* some versions of glibc are missing the setresuid() proto */
4046#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 4047int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4048#endif
fa0a29af
JH		 4049/* some versions of glibc are missing the setresgid() proto */
4050#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 4051int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4052#endif
4053
fe14fcc3 4054#ifndef HAS_SETREUID
85e6fe83
LW		 4055# ifdef HAS_SETRESUID
4056# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4057# define HAS_SETREUID
4058# endif
a687059c 4059#endif
fe14fcc3 4060#ifndef HAS_SETREGID
85e6fe83
LW		 4061# ifdef HAS_SETRESGID
4062# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4063# define HAS_SETREGID
4064# endif
a687059c 4065#endif
ee0007ab 4066
d543acb6 4067/* Sighandler_t defined in iperlsys.h */
ff68c719 4068
4069#ifdef HAS_SIGACTION
4070typedef struct sigaction Sigsave_t;
4071#else
4072typedef Sighandler_t Sigsave_t;
4073#endif
4074
ee0007ab
LW		 4075#define SCAN_DEF 0
4076#define SCAN_TR 1
4077#define SCAN_REPL 2
79072805
LW		 4078
4079#ifdef DEBUGGING
4633a7c4 4080# ifndef register
a0d0e21e
LW		 4081# define register
4082# endif
cea2e8a9 4083# define RUNOPS_DEFAULT Perl_runops_debug
79072805 4084#else
cea2e8a9 4085# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 4086#endif
4087
6cb8cb21 4088#ifdef USE_PERLIO
0934c9d9 4089EXTERN_C void PerlIO_teardown(void);
2f44961c 4090# ifdef USE_ITHREADS
6cb8cb21
RGS		 4091# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4092# define PERLIO_TERM \
4093 STMT_START { \
d0820ef1 4094 PerlIO_teardown(); \
6cb8cb21
RGS		 4095 MUTEX_DESTROY(&PL_perlio_mutex);\
4096 } STMT_END
4097# else
4098# define PERLIO_INIT
d0820ef1 4099# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 4100# endif
6b29934b
NC		 4101#else
4102# define PERLIO_INIT
4103# define PERLIO_TERM
6cb8cb21
RGS		 4104#endif
4105
18f739ee 4106#ifdef MYMALLOC
772fe5b3 4107# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 4108# define MALLOC_INIT \
4109 STMT_START { \
4110 PL_malloc_mutex = NULL; \
4111 MUTEX_INIT(&PL_malloc_mutex); \
4112 } STMT_END
4113# define MALLOC_TERM \
4114 STMT_START { \
4115 perl_mutex tmp = PL_malloc_mutex; \
4116 PL_malloc_mutex = NULL; \
4117 MUTEX_DESTROY(&tmp); \
4118 } STMT_END
4119# else
4120# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4121# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4122# endif
18f739ee
IZ		 4123#else
4124# define MALLOC_INIT
4125# define MALLOC_TERM
4126#endif
4127
cd1541b2 4128#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 4129
4130struct perl_memory_debug_header;
cd1541b2
NC		 4131struct perl_memory_debug_header {
4132 tTHX interpreter;
4133# ifdef PERL_POISON
4134 MEM_SIZE size;
cd1541b2 4135# endif
7cb608b5
NC		 4136 struct perl_memory_debug_header *prev;
4137 struct perl_memory_debug_header *next;
cd1541b2
NC		 4138};
4139
4140# define sTHX (sizeof(struct perl_memory_debug_header) + \
4141 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4142 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4143
d8fca402
NC		 4144#else
4145# define sTHX 0
cd1541b2
NC		 4146#endif
4147
7cb608b5
NC		 4148#ifdef PERL_TRACK_MEMPOOL
4149# define INIT_TRACK_MEMPOOL(header, interp) \
4150 STMT_START { \
4151 (header).interpreter = (interp); \
4152 (header).prev = (header).next = &(header); \
4153 } STMT_END
4154# else
4155# define INIT_TRACK_MEMPOOL(header, interp)
4156#endif
4157
1cd66f7c
DD		 4158#ifdef I_MALLOCMALLOC
4159/* Needed for malloc_size(), malloc_good_size() on some systems */
4160# include <malloc/malloc.h>
4161#endif
4162
ca7c1a29
NC		 4163#ifdef MYMALLOC
4164# define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
cfe52898 4165#else
e82be400
NC		 4166# ifdef HAS_MALLOC_SIZE
4167# ifdef PERL_TRACK_MEMPOOL
cfe52898
RGS		 4168# define Perl_safesysmalloc_size(where) \
4169 (malloc_size(((char *)(where)) - sTHX) - sTHX)
e82be400
NC		 4170# else
4171# define Perl_safesysmalloc_size(where) malloc_size(where)
4172# endif
4173# endif
4174# ifdef HAS_MALLOC_GOOD_SIZE
4175# ifdef PERL_TRACK_MEMPOOL
d8fca402
NC		 4176# define Perl_malloc_good_size(how_much) \
4177 (malloc_good_size((how_much) + sTHX) - sTHX)
e82be400
NC		 4178# else
4179# define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4180# endif
4181# else
d8fca402
NC		 4182/* Having this as the identity operation makes some code simpler. */
4183# define Perl_malloc_good_size(how_much) (how_much)
e82be400 4184# endif
ca7c1a29 4185#endif
b6d9d515 4186
0cb96387 4187typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 4188typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 4189typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 4190typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
eba16661 4191typedef bool (CPERLscope(*destroyable_proc_t)) (pTHX_ SV *sv);
22c35a8c 4192
940cb80d 4193/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 4194#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 4195
8f1f23e8
W		 4196/* NeXT has problems with crt0.o globals */
4197#if defined(__DYNAMIC__) && \
6239f2da 4198 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 4199# if defined(NeXT) || defined(__NeXT)
4200# include <mach-o/dyld.h>
4201# define environ (*environ_pointer)
0c30d9ec 4202EXT char *** environ_pointer;
8f1f23e8 4203# else
6239f2da 4204# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 4205# include <crt_externs.h> /* for the env array */
4206# define environ (*_NSGetEnviron())
4207# endif
0c30d9ec 4208# endif
8f1f23e8
W		 4209#else
4210 /* VMS and some other platforms don't use the environ array */
13b6e58c 4211# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 4212# if !defined(DONT_DECLARE_STD) || \
4213 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
4214 defined(__sgi) || \
d460ef45 4215 defined(__DGUX)
8f1f23e8 4216extern char ** environ; /* environment variables supplied via exec */
a6c40364 4217# endif
8f1f23e8
W		 4218# endif
4219#endif
79072805 4220
73c4f7a1
GS		 4221START_EXTERN_C
4222
79072805 4223/* handy constants */
22c35a8c 4224EXTCONST char PL_warn_uninit[]
29489e7c 4225 INIT("Use of uninitialized value%s%s%s");
22c35a8c 4226EXTCONST char PL_warn_nosemi[]
463ee0b2 4227 INIT("Semicolon seems to be missing");
22c35a8c 4228EXTCONST char PL_warn_reserved[]
463ee0b2 4229 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4230EXTCONST char PL_warn_nl[]
93a17b20 4231 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4232EXTCONST char PL_no_wrongref[]
a0d0e21e 4233 INIT("Can't use %s ref as %s ref");
def89bff
NC		 4234/* The core no longer needs these here. If you require the string constant,
4235 please inline a copy into your own code. */
973a7615
NC		 4236EXTCONST char PL_no_symref[] __attribute__deprecated__
4237 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
def89bff
NC		 4238EXTCONST char PL_no_symref_sv[] __attribute__deprecated__
4239 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 4240EXTCONST char PL_no_usym[]
8990e307 4241 INIT("Can't use an undefined value as %s reference");
22c35a8c 4242EXTCONST char PL_no_aelem[]
93a17b20 4243 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4244EXTCONST char PL_no_helem_sv[]
d04ff51e 4245 INIT("Modification of non-creatable hash value attempted, subscript \"%"SVf"\"");
22c35a8c 4246EXTCONST char PL_no_modify[]
93a17b20 4247 INIT("Modification of a read-only value attempted");
22c35a8c 4248EXTCONST char PL_no_mem[]
93a17b20 4249 INIT("Out of memory!\n");
22c35a8c 4250EXTCONST char PL_no_security[]
463ee0b2 4251 INIT("Insecure dependency in %s%s");
22c35a8c 4252EXTCONST char PL_no_sock_func[]
93a17b20 4253 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4254EXTCONST char PL_no_dir_func[]
93a17b20 4255 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4256EXTCONST char PL_no_func[]
93a17b20 4257 INIT("The %s function is unimplemented");
22c35a8c 4258EXTCONST char PL_no_myglob[]
952306ac 4259 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 4260EXTCONST char PL_no_localize_ref[]
4261 INIT("Can't localize through a reference");
27d5b266
JH		 4262EXTCONST char PL_memory_wrap[]
4263 INIT("panic: memory wrap");
93a17b20 4264
618b9757
NC		 4265#ifdef CSH
4266EXTCONST char PL_cshname[]
4267 INIT(CSH);
4268# define PL_cshlen (sizeof(CSH "") - 1)
4269#endif
4270
7575fa06 4271EXTCONST char PL_uuemap[65]
80252599
GS		 4272 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4273
79072805 4274#ifdef DOINIT
9444d213
NC		 4275EXTCONST char PL_uudmap[256] =
4276#include "uudmap.h"
4277;
efa50c51 4278EXTCONST char PL_bitcount[256] =
efa50c51
NC		 4279# include "bitcount.h"
4280;
27da23d5
JH		 4281EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4282EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4283#else
9444d213 4284EXTCONST char PL_uudmap[256];
efa50c51 4285EXTCONST char PL_bitcount[256];
27da23d5
JH		 4286EXTCONST char* const PL_sig_name[];
4287EXTCONST int PL_sig_num[];
79072805
LW		 4288#endif
4289
3bd709b1 4290/* fast conversion and case folding tables */
bbce6d69 4291
79072805 4292#ifdef DOINIT
9d116dd7 4293#ifdef EBCDIC
27da23d5 4294EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 4295 0, 1, 2, 3, 4, 5, 6, 7,
4296 8, 9, 10, 11, 12, 13, 14, 15,
4297 16, 17, 18, 19, 20, 21, 22, 23,
4298 24, 25, 26, 27, 28, 29, 30, 31,
4299 32, 33, 34, 35, 36, 37, 38, 39,
4300 40, 41, 42, 43, 44, 45, 46, 47,
4301 48, 49, 50, 51, 52, 53, 54, 55,
4302 56, 57, 58, 59, 60, 61, 62, 63,
4303 64, 65, 66, 67, 68, 69, 70, 71,
4304 72, 73, 74, 75, 76, 77, 78, 79,
4305 80, 81, 82, 83, 84, 85, 86, 87,
4306 88, 89, 90, 91, 92, 93, 94, 95,
4307 96, 97, 98, 99, 100, 101, 102, 103,
4308 104, 105, 106, 107, 108, 109, 110, 111,
4309 112, 113, 114, 115, 116, 117, 118, 119,
4310 120, 121, 122, 123, 124, 125, 126, 127,
4311 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4312 'H', 'I', 138, 139, 140, 141, 142, 143,
4313 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
4314 'Q', 'R', 154, 155, 156, 157, 158, 159,
4315 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
4316 'Y', 'Z', 170, 171, 172, 173, 174, 175,
4317 176, 177, 178, 179, 180, 181, 182, 183,
4318 184, 185, 186, 187, 188, 189, 190, 191,
4319 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4320 'h', 'i', 202, 203, 204, 205, 206, 207,
4321 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
4322 'q', 'r', 218, 219, 220, 221, 222, 223,
4323 224, 225, 's', 't', 'u', 'v', 'w', 'x',
4324 'y', 'z', 234, 235, 236, 237, 238, 239,
4325 240, 241, 242, 243, 244, 245, 246, 247,
4326 248, 249, 250, 251, 252, 253, 254, 255
4327};
4328#else /* ascii rather than ebcdic */
22c35a8c 4329EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4330 0, 1, 2, 3, 4, 5, 6, 7,
4331 8, 9, 10, 11, 12, 13, 14, 15,
4332 16, 17, 18, 19, 20, 21, 22, 23,
4333 24, 25, 26, 27, 28, 29, 30, 31,
4334 32, 33, 34, 35, 36, 37, 38, 39,
4335 40, 41, 42, 43, 44, 45, 46, 47,
4336 48, 49, 50, 51, 52, 53, 54, 55,
4337 56, 57, 58, 59, 60, 61, 62, 63,
4338 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4339 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4340 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4341 'x', 'y', 'z', 91, 92, 93, 94, 95,
4342 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4343 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4344 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4345 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4346 128, 129, 130, 131, 132, 133, 134, 135,
4347 136, 137, 138, 139, 140, 141, 142, 143,
4348 144, 145, 146, 147, 148, 149, 150, 151,
4349 152, 153, 154, 155, 156, 157, 158, 159,
4350 160, 161, 162, 163, 164, 165, 166, 167,
4351 168, 169, 170, 171, 172, 173, 174, 175,
4352 176, 177, 178, 179, 180, 181, 182, 183,
4353 184, 185, 186, 187, 188, 189, 190, 191,
4354 192, 193, 194, 195, 196, 197, 198, 199,
4355 200, 201, 202, 203, 204, 205, 206, 207,
4356 208, 209, 210, 211, 212, 213, 214, 215,
4357 216, 217, 218, 219, 220, 221, 222, 223,
4358 224, 225, 226, 227, 228, 229, 230, 231,
4359 232, 233, 234, 235, 236, 237, 238, 239,
4360 240, 241, 242, 243, 244, 245, 246, 247,
4361 248, 249, 250, 251, 252, 253, 254, 255
4362};
00f254e2
KW		 4363#endif /* !EBCDIC, but still in DOINIT */
4364
4365/* If these tables are accessed through ebcdic, the access will be converted to
4366 * latin1 first */
4367EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4368 0, 1, 2, 3, 4, 5, 6, 7,
4369 8, 9, 10, 11, 12, 13, 14, 15,
4370 16, 17, 18, 19, 20, 21, 22, 23,
4371 24, 25, 26, 27, 28, 29, 30, 31,
4372 32, 33, 34, 35, 36, 37, 38, 39,
4373 40, 41, 42, 43, 44, 45, 46, 47,
4374 48, 49, 50, 51, 52, 53, 54, 55,
4375 56, 57, 58, 59, 60, 61, 62, 63,
4376 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4377 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4378 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4379 'x', 'y', 'z', 91, 92, 93, 94, 95,
4380 96, 97, 98, 99, 100, 101, 102, 103,
4381 104, 105, 106, 107, 108, 109, 110, 111,
4382 112, 113, 114, 115, 116, 117, 118, 119,
4383 120, 121, 122, 123, 124, 125, 126, 127,
4384 128, 129, 130, 131, 132, 133, 134, 135,
4385 136, 137, 138, 139, 140, 141, 142, 143,
4386 144, 145, 146, 147, 148, 149, 150, 151,
4387 152, 153, 154, 155, 156, 157, 158, 159,
4388 160, 161, 162, 163, 164, 165, 166, 167,
4389 168, 169, 170, 171, 172, 173, 174, 175,
4390 176, 177, 178, 179, 180, 181, 182, 183,
4391 184, 185, 186, 187, 188, 189, 190, 191,
4392 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4393 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4394 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4395 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4396 224, 225, 226, 227, 228, 229, 230, 231,
4397 232, 233, 234, 235, 236, 237, 238, 239,
4398 240, 241, 242, 243, 244, 245, 246, 247,
4399 248, 249, 250, 251, 252, 253, 254, 255
4400};
4401
4402/* upper and title case of latin1 characters, modified so that the three tricky
4403 * ones are mapped to 255 (which is one of the three) */
4404EXTCONST unsigned char PL_mod_latin1_uc[] = {
4405 0, 1, 2, 3, 4, 5, 6, 7,
4406 8, 9, 10, 11, 12, 13, 14, 15,
4407 16, 17, 18, 19, 20, 21, 22, 23,
4408 24, 25, 26, 27, 28, 29, 30, 31,
4409 32, 33, 34, 35, 36, 37, 38, 39,
4410 40, 41, 42, 43, 44, 45, 46, 47,
4411 48, 49, 50, 51, 52, 53, 54, 55,
4412 56, 57, 58, 59, 60, 61, 62, 63,
4413 64, 65, 66, 67, 68, 69, 70, 71,
4414 72, 73, 74, 75, 76, 77, 78, 79,
4415 80, 81, 82, 83, 84, 85, 86, 87,
4416 88, 89, 90, 91, 92, 93, 94, 95,
4417 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4418 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4419 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4420 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4421 128, 129, 130, 131, 132, 133, 134, 135,
4422 136, 137, 138, 139, 140, 141, 142, 143,
4423 144, 145, 146, 147, 148, 149, 150, 151,
4424 152, 153, 154, 155, 156, 157, 158, 159,
4425 160, 161, 162, 163, 164, 165, 166, 167,
4426 168, 169, 170, 171, 172, 173, 174, 175,
4427 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4428 184, 185, 186, 187, 188, 189, 190, 191,
4429 192, 193, 194, 195, 196, 197, 198, 199,
4430 200, 201, 202, 203, 204, 205, 206, 207,
4431 208, 209, 210, 211, 212, 213, 214, 215,
4432 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/,
4433 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4434 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4435 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4436 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4437};
4438#else /* ! DOINIT */
22c35a8c 4439EXTCONST unsigned char PL_fold[];
00f254e2
KW		 4440EXTCONST unsigned char PL_mod_latin1_uc[];
4441EXTCONST unsigned char PL_latin1_lc[];
79072805
LW		 4442#endif
4443
27da23d5 4444#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4445#ifdef DOINIT
27da23d5 4446EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4447 0, 1, 2, 3, 4, 5, 6, 7,
4448 8, 9, 10, 11, 12, 13, 14, 15,
4449 16, 17, 18, 19, 20, 21, 22, 23,
4450 24, 25, 26, 27, 28, 29, 30, 31,
4451 32, 33, 34, 35, 36, 37, 38, 39,
4452 40, 41, 42, 43, 44, 45, 46, 47,
4453 48, 49, 50, 51, 52, 53, 54, 55,
4454 56, 57, 58, 59, 60, 61, 62, 63,
4455 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4456 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4457 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4458 'x', 'y', 'z', 91, 92, 93, 94, 95,
4459 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4460 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4461 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4462 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4463 128, 129, 130, 131, 132, 133, 134, 135,
4464 136, 137, 138, 139, 140, 141, 142, 143,
4465 144, 145, 146, 147, 148, 149, 150, 151,
4466 152, 153, 154, 155, 156, 157, 158, 159,
4467 160, 161, 162, 163, 164, 165, 166, 167,
4468 168, 169, 170, 171, 172, 173, 174, 175,
4469 176, 177, 178, 179, 180, 181, 182, 183,
4470 184, 185, 186, 187, 188, 189, 190, 191,
4471 192, 193, 194, 195, 196, 197, 198, 199,
4472 200, 201, 202, 203, 204, 205, 206, 207,
4473 208, 209, 210, 211, 212, 213, 214, 215,
4474 216, 217, 218, 219, 220, 221, 222, 223,
4475 224, 225, 226, 227, 228, 229, 230, 231,
4476 232, 233, 234, 235, 236, 237, 238, 239,
4477 240, 241, 242, 243, 244, 245, 246, 247,
4478 248, 249, 250, 251, 252, 253, 254, 255
4479};
4480#else
27da23d5 4481EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4482#endif
27da23d5 4483#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4484
4485#ifdef DOINIT
9d116dd7 4486#ifdef EBCDIC
27da23d5 4487EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4488 1, 2, 84, 151, 154, 155, 156, 157,
4489 165, 246, 250, 3, 158, 7, 18, 29,
4490 40, 51, 62, 73, 85, 96, 107, 118,
4491 129, 140, 147, 148, 149, 150, 152, 153,
4492 255, 6, 8, 9, 10, 11, 12, 13,
4493 14, 15, 24, 25, 26, 27, 28, 226,
4494 29, 30, 31, 32, 33, 43, 44, 45,
4495 46, 47, 48, 49, 50, 76, 77, 78,
4496 79, 80, 81, 82, 83, 84, 85, 86,
4497 87, 94, 95, 234, 181, 233, 187, 190,
4498 180, 96, 97, 98, 99, 100, 101, 102,
4499 104, 112, 182, 174, 236, 232, 229, 103,
4500 228, 226, 114, 115, 116, 117, 118, 119,
4501 120, 121, 122, 235, 176, 230, 194, 162,
4502 130, 131, 132, 133, 134, 135, 136, 137,
4503 138, 139, 201, 205, 163, 217, 220, 224,
4504 5, 248, 227, 244, 242, 255, 241, 231,
4505 240, 253, 16, 197, 19, 20, 21, 187,
4506 23, 169, 210, 245, 237, 249, 247, 239,
4507 168, 252, 34, 196, 36, 37, 38, 39,
4508 41, 42, 251, 254, 238, 223, 221, 213,
4509 225, 177, 52, 53, 54, 55, 56, 57,
4510 58, 59, 60, 61, 63, 64, 65, 66,
4511 67, 68, 69, 70, 71, 72, 74, 75,
4512 205, 208, 186, 202, 200, 218, 198, 179,
4513 178, 214, 88, 89, 90, 91, 92, 93,
4514 217, 166, 170, 207, 199, 209, 206, 204,
4515 160, 212, 105, 106, 108, 109, 110, 111,
4516 203, 113, 216, 215, 192, 175, 193, 243,
4517 172, 161, 123, 124, 125, 126, 127, 128,
4518 222, 219, 211, 195, 188, 193, 185, 184,
4519 191, 183, 141, 142, 143, 144, 145, 146
4520};
4521#else /* ascii rather than ebcdic */
22c35a8c 4522EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4523 1, 2, 84, 151, 154, 155, 156, 157,
4524 165, 246, 250, 3, 158, 7, 18, 29,
4525 40, 51, 62, 73, 85, 96, 107, 118,
4526 129, 140, 147, 148, 149, 150, 152, 153,
4527 255, 182, 224, 205, 174, 176, 180, 217,
4528 233, 232, 236, 187, 235, 228, 234, 226,
4529 222, 219, 211, 195, 188, 193, 185, 184,
4530 191, 183, 201, 229, 181, 220, 194, 162,
4531 163, 208, 186, 202, 200, 218, 198, 179,
4532 178, 214, 166, 170, 207, 199, 209, 206,
4533 204, 160, 212, 216, 215, 192, 175, 173,
4534 243, 172, 161, 190, 203, 189, 164, 230,
4535 167, 248, 227, 244, 242, 255, 241, 231,
4536 240, 253, 169, 210, 245, 237, 249, 247,
4537 239, 168, 252, 251, 254, 238, 223, 221,
4538 213, 225, 177, 197, 171, 196, 159, 4,
4539 5, 6, 8, 9, 10, 11, 12, 13,
4540 14, 15, 16, 17, 19, 20, 21, 22,
4541 23, 24, 25, 26, 27, 28, 30, 31,
4542 32, 33, 34, 35, 36, 37, 38, 39,
4543 41, 42, 43, 44, 45, 46, 47, 48,
4544 49, 50, 52, 53, 54, 55, 56, 57,
4545 58, 59, 60, 61, 63, 64, 65, 66,
4546 67, 68, 69, 70, 71, 72, 74, 75,
4547 76, 77, 78, 79, 80, 81, 82, 83,
4548 86, 87, 88, 89, 90, 91, 92, 93,
4549 94, 95, 97, 98, 99, 100, 101, 102,
4550 103, 104, 105, 106, 108, 109, 110, 111,
4551 112, 113, 114, 115, 116, 117, 119, 120,
4552 121, 122, 123, 124, 125, 126, 127, 128,
4553 130, 131, 132, 133, 134, 135, 136, 137,
4554 138, 139, 141, 142, 143, 144, 145, 146
4555};
9d116dd7 4556#endif
79072805 4557#else
22c35a8c 4558EXTCONST unsigned char PL_freq[];
79072805
LW		 4559#endif
4560
8990e307
LW		 4561#ifdef DEBUGGING
4562#ifdef DOINIT
27da23d5 4563EXTCONST char* const PL_block_type[] = {
8990e307 4564 "NULL",
d01136d6 4565 "WHEN",
8990e307 4566 "BLOCK",
0d863452 4567 "GIVEN",
d01136d6
BS		 4568 "LOOP_FOR",
4569 "LOOP_PLAIN",
4570 "LOOP_LAZYSV",
4571 "LOOP_LAZYIV",
76753e7f
NC		 4572 "SUB",
4573 "FORMAT",
4574 "EVAL",
4575 "SUBST"
8990e307
LW		 4576};
4577#else
22c35a8c 4578EXTCONST char* PL_block_type[];
8990e307
LW		 4579#endif
4580#endif
4581
b75885fd
NC		 4582/* These are all the compile time options that affect binary compatibility.
4583 Other compile time options that are binary compatible are in perl.c
4584 Both are combined for the output of perl -V
4585 However, this string will be embedded in any shared perl library, which will
4586 allow us add a comparison check in perlmain.c in the near future. */
4587#ifdef DOINIT
4588EXTCONST char PL_bincompat_options[] =
4589# ifdef DEBUG_LEAKING_SCALARS
4590 " DEBUG_LEAKING_SCALARS"
4591# endif
4592# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4593 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4594# endif
4595# ifdef FAKE_THREADS
4596 " FAKE_THREADS"
4597# endif
4598# ifdef MULTIPLICITY
4599 " MULTIPLICITY"
4600# endif
4601# ifdef MYMALLOC
4602 " MYMALLOC"
4603# endif
4604# ifdef PERL_DEBUG_READONLY_OPS
4605 " PERL_DEBUG_READONLY_OPS"
4606# endif
4607# ifdef PERL_GLOBAL_STRUCT
4608 " PERL_GLOBAL_STRUCT"
4609# endif
4610# ifdef PERL_IMPLICIT_CONTEXT
4611 " PERL_IMPLICIT_CONTEXT"
4612# endif
4613# ifdef PERL_IMPLICIT_SYS
4614 " PERL_IMPLICIT_SYS"
4615# endif
4616# ifdef PERL_MAD
4617 " PERL_MAD"
4618# endif
4619# ifdef PERL_NEED_APPCTX
4620 " PERL_NEED_APPCTX"
4621# endif
4622# ifdef PERL_NEED_TIMESBASE
4623 " PERL_NEED_TIMESBASE"
4624# endif
4625# ifdef PERL_OLD_COPY_ON_WRITE
4626 " PERL_OLD_COPY_ON_WRITE"
4627# endif
4628# ifdef PERL_POISON
4629 " PERL_POISON"
4630# endif
4631# ifdef PERL_TRACK_MEMPOOL
4632 " PERL_TRACK_MEMPOOL"
4633# endif
4634# ifdef PERL_USES_PL_PIDSTATUS
4635 " PERL_USES_PL_PIDSTATUS"
4636# endif
4637# ifdef PL_OP_SLAB_ALLOC
4638 " PL_OP_SLAB_ALLOC"
4639# endif
4640# ifdef THREADS_HAVE_PIDS
4641 " THREADS_HAVE_PIDS"
4642# endif
4643# ifdef USE_64_BIT_ALL
4644 " USE_64_BIT_ALL"
4645# endif
4646# ifdef USE_64_BIT_INT
4647 " USE_64_BIT_INT"
4648# endif
c7b392fa
NC		 4649# ifdef USE_IEEE
4650 " USE_IEEE"
4651# endif
b75885fd
NC		 4652# ifdef USE_ITHREADS
4653 " USE_ITHREADS"
4654# endif
4655# ifdef USE_LARGE_FILES
4656 " USE_LARGE_FILES"
4657# endif
4658# ifdef USE_LONG_DOUBLE
4659 " USE_LONG_DOUBLE"
4660# endif
4661# ifdef USE_PERLIO
4662 " USE_PERLIO"
4663# endif
4664# ifdef USE_REENTRANT_API
4665 " USE_REENTRANT_API"
4666# endif
4667# ifdef USE_SFIO
4668 " USE_SFIO"
4669# endif
4670# ifdef USE_SOCKS
4671 " USE_SOCKS"
4672# endif
4f575702
CB		 4673# ifdef VMS_DO_SOCKETS
4674 " VMS_DO_SOCKETS"
4675# ifdef DECCRTL_SOCKETS
4676 " DECCRTL_SOCKETS"
4677# endif
4678# endif
4679# ifdef VMS_WE_ARE_CASE_SENSITIVE
4680 " VMS_SYMBOL_CASE_AS_IS"
4681# endif
a68dd89e 4682 "";
b75885fd
NC		 4683#else
4684EXTCONST char PL_bincompat_options[];
4685#endif
4686
73c4f7a1
GS		 4687END_EXTERN_C
4688
79072805
LW		 4689/*****************************************************************************/
4690/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4691/*****************************************************************************/
8990e307 4692/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4693
d4c3c482 4694#ifdef __Lynx__
9cffb111
OS		 4695/* LynxOS defines these in scsi.h which is included via ioctl.h */
4696#ifdef FORMAT
4697#undef FORMAT
4698#endif
4699#ifdef SPACE
4700#undef SPACE
4701#endif
d4c3c482 4702#endif
9cffb111 4703
fb73857a 4704#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4705
79072805
LW		 4706typedef enum {
4707 XOPERATOR,
4708 XTERM,
79072805 4709 XREF,
8990e307 4710 XSTATE,
a0d0e21e 4711 XBLOCK,
09bef843
SB		 4712 XATTRBLOCK,
4713 XATTRTERM,
6f33ba73
RGS		 4714 XTERMBLOCK,
4715 XTERMORDORDOR /* evil hack */
27308ded 4716 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4717} expectation;
4718
dc9e4912
GS		 4719enum { /* pass one of these to get_vtbl */
4720 want_vtbl_sv,
4721 want_vtbl_env,
4722 want_vtbl_envelem,
4723 want_vtbl_sig,
4724 want_vtbl_sigelem,
4725 want_vtbl_pack,
4726 want_vtbl_packelem,
4727 want_vtbl_dbline,
4728 want_vtbl_isa,
4729 want_vtbl_isaelem,
4730 want_vtbl_arylen,
4731 want_vtbl_glob,
4732 want_vtbl_mglob,
4733 want_vtbl_nkeys,
4734 want_vtbl_taint,
4735 want_vtbl_substr,
4736 want_vtbl_vec,
4737 want_vtbl_pos,
4738 want_vtbl_bm,
4739 want_vtbl_fm,
4740 want_vtbl_uvar,
4741 want_vtbl_defelem,
4742 want_vtbl_regexp,
4743 want_vtbl_collxfrm,
4744 want_vtbl_amagic,
4745 want_vtbl_amagicelem,
dc9e4912 4746 want_vtbl_regdata,
810b8aa5 4747 want_vtbl_regdatum,
7e8c5dac 4748 want_vtbl_backref,
8d2f4536 4749 want_vtbl_utf8,
83bf042f 4750 want_vtbl_symtab,
b3ca2e83 4751 want_vtbl_arylen_p,
f747ebd6
Z		 4752 want_vtbl_hintselem,
4753 want_vtbl_hints
dc9e4912
GS		 4754};
4755
d5ec2987
NC		 4756
4757/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4758 special and there is no need for HINT_PRIVATE_MASK for COPs
4759 However, bitops store HINT_INTEGER in their op_private. */
9cfe5470
RGS		 4760#define HINT_INTEGER 0x00000001 /* integer pragma */
4761#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4762#define HINT_LOCALE 0x00000004 /* locale pragma */
4763#define HINT_BYTES 0x00000008 /* bytes pragma */
7b0bddfa 4764#define HINT_ARYBASE 0x00000010 /* $[ is non-zero */
a0ed51b3 4765 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 4766 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 4767
4768#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4769#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4770#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
1863b879 4771#define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */
85e6fe83 4772
9cfe5470 4773/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4774#define HINT_NEW_INTEGER 0x00001000
4775#define HINT_NEW_FLOAT 0x00002000
4776#define HINT_NEW_BINARY 0x00004000
4777#define HINT_NEW_STRING 0x00008000
4778#define HINT_NEW_RE 0x00010000
4779#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 4780#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4781#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 4782
9cfe5470
RGS		 4783#define HINT_RE_TAINT 0x00100000 /* re pragma */
4784#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4785
9cfe5470
RGS		 4786#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4787#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4788
e46c382e
YK		 4789#define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
4790
0239f47c 4791/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4792#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4793#define HINT_SORT_QUICKSORT 0x00000001
4794#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4795#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4796
8bfdd7d9 4797/* Various states of the input record separator SV (rs) */
d4cce5f1 4798#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4799#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4800#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4801#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4802
128e8167 4803/* A struct for keeping various DEBUGGING related stuff,
ce333219 4804 * neatly packed. Currently only scratch variables for
128e8167
JH		 4805 * constructing debug output are included. Needed always,
4806 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4807struct perl_debug_pad {
4808 SV pad[3];
4809};
4810
4811#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4812#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4813 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4814 PERL_DEBUG_PAD(i))
ce333219 4815
56953603 4816/* Enable variables which are pointers to functions */
a2efc822 4817typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 4818typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
4819typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
4820 char* strend, char* strbeg, I32 minend,
4821 SV* screamer, void* data, U32 flags);
f722798b
IZ		 4822typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
4823 char *strpos, char *strend,
4824 U32 flags,
9f61653a 4825 re_scream_pos_data *d);
f722798b
IZ		 4826typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
4827typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
84da74a7 4828typedef regexp*(CPERLscope(*regdupe_t)) (pTHX_ const regexp* r, CLONE_PARAMS *param);
56953603 4829
c76ac1ee 4830typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc 4831typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
f30de749 4832typedef void (*SVFUNC_t) (pTHX_ SV* const);
31e9e0a3 4833typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
acfe0abc
GS		 4834typedef void (*XSINIT_t) (pTHX);
4835typedef void (*ATEXIT_t) (pTHX_ void*);
4836typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4837
22239a37
NIS		 4838/* Set up PERLVAR macros for populating structs */
4839#define PERLVAR(var,type) type var;
51371543 4840#define PERLVARA(var,n,type) type var[n];
22239a37 4841#define PERLVARI(var,type,init) type var;
3fe35a81 4842#define PERLVARIC(var,type,init) type var;
27da23d5
JH		 4843#define PERLVARISC(var,init) const char var[sizeof(init)];
4844
4845typedef OP* (CPERLscope(*Perl_ppaddr_t))(pTHX);
4846typedef OP* (CPERLscope(*Perl_check_t)) (pTHX_ OP*);
799dfa8f 4847typedef void(CPERLscope(*Perl_ophook_t))(pTHX_ OP*);
88e1f1a2
JV		 4848typedef int (CPERLscope(*Perl_keyword_plugin_t))(pTHX_ char*, STRLEN, OP**);
4849
4850#define KEYWORD_PLUGIN_DECLINE 0
4851#define KEYWORD_PLUGIN_STMT 1
4852#define KEYWORD_PLUGIN_EXPR 2
22239a37 4853
58a50f62
GS		 4854/* Interpreter exitlist entry */
4855typedef struct exitlistentry {
acfe0abc 4856 void (*fn) (pTHX_ void*);
58a50f62
GS		 4857 void *ptr;
4858} PerlExitListEntry;
4859
aadb217d
JH		 4860/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4861/* These have to be before perlvars.h */
4862#if !defined(HAS_SIGACTION) && defined(VMS)
4863# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4864#endif
4865/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4866#if defined(KILL_BY_SIGPRC)
4867# define FAKE_DEFAULT_SIGNAL_HANDLERS
4868#endif
4869
ffee3ff6
NC		 4870#define PERL_PATCHLEVEL_H_IMPLICIT
4871#include "patchlevel.h"
4872#undef PERL_PATCHLEVEL_H_IMPLICIT
4873
d9421656
NC		 4874#define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4875 STRINGIFY(PERL_VERSION) "." \
4876 STRINGIFY(PERL_SUBVERSION)
4877
22239a37
NIS		 4878#ifdef PERL_GLOBAL_STRUCT
4879struct perl_vars {
7766f137 4880# include "perlvars.h"
22239a37
NIS		 4881};
4882
7766f137 4883# ifdef PERL_CORE
27da23d5 4884# ifndef PERL_GLOBAL_STRUCT_PRIVATE
533c011a
NIS		 4885EXT struct perl_vars PL_Vars;
4886EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
27da23d5
JH		 4887# undef PERL_GET_VARS
4888# define PERL_GET_VARS() PL_VarsPtr
4889# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
7766f137
GS		 4890# else /* PERL_CORE */
4891# if !defined(__GNUC__) || !defined(WIN32)
22239a37 4892EXT
7766f137 4893# endif /* WIN32 */
533c011a 4894struct perl_vars *PL_VarsPtr;
7766f137
GS		 4895# define PL_Vars (*((PL_VarsPtr) \
4896 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
4897# endif /* PERL_CORE */
22239a37
NIS		 4898#endif /* PERL_GLOBAL_STRUCT */
4899
acfe0abc 4900#if defined(MULTIPLICITY)
d460ef45 4901/* If we have multiple interpreters define a struct
d4cce5f1 4902 holding variables which must be per-interpreter
d460ef45 4903 If we don't have threads anything that would have
d4cce5f1
NIS		 4904 be per-thread is per-interpreter.
4905*/
4906
79072805 4907struct interpreter {
7766f137 4908# include "intrpvar.h"
49f531da 4909};
d4cce5f1 4910
79072805 4911#else
49f531da
NIS		 4912struct interpreter {
4913 char broiled;
4914};
acfe0abc 4915#endif /* MULTIPLICITY */
79072805 4916
22239a37 4917/* Done with PERLVAR macros for now ... */
d4cce5f1 4918#undef PERLVAR
51371543 4919#undef PERLVARA
d4cce5f1 4920#undef PERLVARI
3fe35a81 4921#undef PERLVARIC
27da23d5 4922#undef PERLVARISC
79072805 4923
f7fe979e 4924struct tempsym; /* defined in pp_pack.c */
49704364 4925
22239a37 4926#include "thread.h"
79072805 4927#include "pp.h"
864dbfa3
GS		 4928
4929#ifndef PERL_CALLCONV
a0c21aa1
JH		 4930# ifdef __cplusplus
4931# define PERL_CALLCONV extern "C"
4932# else
4933# define PERL_CALLCONV
4934# endif
d460ef45 4935#endif
0cb96387
GS		 4936#undef PERL_CKDEF
4937#undef PERL_PPDEF
0159f81b
JH		 4938#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
4939#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 4940
7766f137 4941#include "proto.h"
864dbfa3 4942
0cb96387 4943/* this has structure inits, so it cannot be included before here */
acfe0abc 4944#include "opcode.h"
864dbfa3 4945
d4cce5f1
NIS		 4946/* The following must follow proto.h as #defines mess up syntax */
4947
22c35a8c
GS		 4948#if !defined(PERL_FOR_X2P)
4949# include "embedvar.h"
4950#endif
598921a7
NC		 4951#ifndef PERL_MAD
4952# undef PL_madskills
4953# undef PL_xmlfp
4954# define PL_madskills 0
4955# define PL_xmlfp 0
4956#endif
d4cce5f1 4957
d460ef45 4958/* Now include all the 'global' variables
d4cce5f1 4959 * If we don't have threads or multiple interpreters
d460ef45 4960 * these include variables that would have been their struct-s
d4cce5f1 4961 */
d460ef45 4962
533c011a 4963#define PERLVAR(var,type) EXT type PL_##var;
51371543 4964#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 4965#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
4966#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
27da23d5 4967#define PERLVARISC(var,init) EXTCONST char PL_##var[sizeof(init)] INIT(init);
d4cce5f1 4968
acfe0abc 4969#if !defined(MULTIPLICITY)
7766f137 4970START_EXTERN_C
066ef5b5 4971# include "intrpvar.h"
7766f137 4972END_EXTERN_C
22239a37
NIS		 4973#endif
4974
24792b8d
NC		 4975#ifdef PERL_CORE
4976/* All core uses now exterminated. Ensure no zombies can return: */
4977# undef PL_na
4978#endif
4979
acfe0abc 4980#if defined(WIN32)
66a93824 4981/* Now all the config stuff is setup we can include embed.h */
22c35a8c 4982# include "embed.h"
eb8433b7
NC		 4983# ifndef PERL_MAD
4984# undef op_getmad
b3f24c00 4985# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 4986# endif
acfe0abc 4987#endif
22239a37 4988
c5be433b
GS		 4989#ifndef PERL_GLOBAL_STRUCT
4990START_EXTERN_C
4991
4992# include "perlvars.h"
4993
4994END_EXTERN_C
4995#endif
4996
d4cce5f1 4997#undef PERLVAR
51371543 4998#undef PERLVARA
d4cce5f1 4999#undef PERLVARI
0f3f18a6 5000#undef PERLVARIC
79072805 5001
73c4f7a1
GS		 5002START_EXTERN_C
5003
bc028b6b
JH		 5004/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
5005 * magic vtables const, but this is incompatible with SWIG which
5006 * does want to modify the vtables. */
5007#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5008# define EXT_MGVTBL EXTCONST MGVTBL
5009#else
5010# define EXT_MGVTBL EXT MGVTBL
5011#endif
5012
79072805 5013#ifdef DOINIT
bc028b6b 5014# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var = {a,b,c,d,e,f,g,h}
2664ba31 5015/* Like MGVTBL_SET but with the get magic having a const MG* */
bc028b6b 5016# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var \
2664ba31 5017 = {(int (*)(pTHX_ SV *, MAGIC *))a,b,c,d,e,f,g,h}
4944113a 5018#else
bc028b6b
JH		 5019# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var
5020# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var
4944113a
AL		 5021#endif
5022
abdc98d4
NC		 5023/* These all need to be 0, not NULL, as NULL can be (void*)0, which is a
5024 * pointer to data, whereas we're assigning pointers to functions, which are
5025 * not the same beast. ANSI doesn't allow the assignment from one to the other.
5026 * (although most, but not all, compilers are prepared to do it)
5027 */
4944113a
AL		 5028MGVTBL_SET(
5029 PL_vtbl_sv,
5030 MEMBER_TO_FPTR(Perl_magic_get),
5031 MEMBER_TO_FPTR(Perl_magic_set),
5032 MEMBER_TO_FPTR(Perl_magic_len),
abdc98d4
NC		 5033 0,
5034 0,
5035 0,
5036 0,
5037 0
4944113a
AL		 5038);
5039
5040MGVTBL_SET(
5041 PL_vtbl_env,
abdc98d4 5042 0,
4944113a 5043 MEMBER_TO_FPTR(Perl_magic_set_all_env),
abdc98d4 5044 0,
4944113a 5045 MEMBER_TO_FPTR(Perl_magic_clear_all_env),
abdc98d4
NC		 5046 0,
5047 0,
5048 0,
5049 0
4944113a
AL		 5050);
5051
5052MGVTBL_SET(
5053 PL_vtbl_envelem,
abdc98d4 5054 0,
4944113a 5055 MEMBER_TO_FPTR(Perl_magic_setenv),
abdc98d4 5056 0,
4944113a 5057 MEMBER_TO_FPTR(Perl_magic_clearenv),
abdc98d4
NC		 5058 0,
5059 0,
5060 0,
5061 0
4944113a
AL		 5062);
5063
5064MGVTBL_SET(
5065 PL_vtbl_sig,
abdc98d4
NC		 5066 0,
5067 0,
5068 0,
5069 0,
5070 0,
5071 0,
5072 0,
5073 0
4944113a
AL		 5074);
5075
9ba75e3c 5076#ifdef PERL_MICRO
4944113a
AL		 5077MGVTBL_SET(
5078 PL_vtbl_sigelem,
abdc98d4
NC		 5079 0,
5080 0,
5081 0,
5082 0,
5083 0,
5084 0,
5085 0,
5086 0
9ba75e3c
DD		 5087);
5088
64ca3a65 5089#else
9ba75e3c
DD		 5090MGVTBL_SET(
5091 PL_vtbl_sigelem,
4944113a
AL		 5092 MEMBER_TO_FPTR(Perl_magic_getsig),
5093 MEMBER_TO_FPTR(Perl_magic_setsig),
abdc98d4 5094 0,
4944113a 5095 MEMBER_TO_FPTR(Perl_magic_clearsig),
abdc98d4
NC		 5096 0,
5097 0,
5098 0,
5099 0
4944113a 5100);
9ba75e3c 5101#endif
4944113a
AL		 5102
5103MGVTBL_SET(
5104 PL_vtbl_pack,
abdc98d4
NC		 5105 0,
5106 0,
4944113a
AL		 5107 MEMBER_TO_FPTR(Perl_magic_sizepack),
5108 MEMBER_TO_FPTR(Perl_magic_wipepack),
abdc98d4
NC		 5109 0,
5110 0,
5111 0,
5112 0
4944113a
AL		 5113);
5114
5115MGVTBL_SET(
5116 PL_vtbl_packelem,
5117 MEMBER_TO_FPTR(Perl_magic_getpack),
5118 MEMBER_TO_FPTR(Perl_magic_setpack),
abdc98d4 5119 0,
4944113a 5120 MEMBER_TO_FPTR(Perl_magic_clearpack),
abdc98d4
NC		 5121 0,
5122 0,
5123 0,
5124 0
4944113a
AL		 5125);
5126
5127MGVTBL_SET(
5128 PL_vtbl_dbline,
abdc98d4 5129 0,
4944113a 5130 MEMBER_TO_FPTR(Perl_magic_setdbline),
abdc98d4
NC		 5131 0,
5132 0,
5133 0,
5134 0,
5135 0,
5136 0
4944113a
AL		 5137);
5138
5139MGVTBL_SET(
5140 PL_vtbl_isa,
abdc98d4 5141 0,
4944113a 5142 MEMBER_TO_FPTR(Perl_magic_setisa),
abdc98d4 5143 0,
52b45067 5144 MEMBER_TO_FPTR(Perl_magic_clearisa),
0fa56319 5145 0,
abdc98d4
NC		 5146 0,
5147 0,
5148 0
4944113a
AL		 5149);
5150
5151MGVTBL_SET(
5152 PL_vtbl_isaelem,
abdc98d4 5153 0,
4944113a 5154 MEMBER_TO_FPTR(Perl_magic_setisa),
abdc98d4
NC		 5155 0,
5156 0,
5157 0,
5158 0,
5159 0,
5160 0
4944113a
AL		 5161);
5162
2e2109e1 5163MGVTBL_SET_CONST_MAGIC_GET(
4944113a
AL		 5164 PL_vtbl_arylen,
5165 MEMBER_TO_FPTR(Perl_magic_getarylen),
5166 MEMBER_TO_FPTR(Perl_magic_setarylen),
abdc98d4
NC		 5167 0,
5168 0,
5169 0,
5170 0,
5171 0,
5172 0
4944113a
AL		 5173);
5174
5175MGVTBL_SET(
83bf042f 5176 PL_vtbl_arylen_p,
abdc98d4
NC		 5177 0,
5178 0,
5179 0,
5180 0,
83bf042f 5181 MEMBER_TO_FPTR(Perl_magic_freearylen_p),
abdc98d4
NC		 5182 0,
5183 0,
5184 0
83bf042f
NC		 5185);
5186
5187MGVTBL_SET(
4944113a 5188 PL_vtbl_mglob,
abdc98d4 5189 0,
4944113a 5190 MEMBER_TO_FPTR(Perl_magic_setmglob),
abdc98d4
NC		 5191 0,
5192 0,
5193 0,
5194 0,
5195 0,
5196 0
4944113a
AL		 5197);
5198
5199MGVTBL_SET(
5200 PL_vtbl_nkeys,
5201 MEMBER_TO_FPTR(Perl_magic_getnkeys),
5202 MEMBER_TO_FPTR(Perl_magic_setnkeys),
abdc98d4
NC		 5203 0,
5204 0,
5205 0,
5206 0,
5207 0,
5208 0
4944113a
AL		 5209);
5210
5211MGVTBL_SET(
5212 PL_vtbl_taint,
5213 MEMBER_TO_FPTR(Perl_magic_gettaint),
5214 MEMBER_TO_FPTR(Perl_magic_settaint),
abdc98d4
NC		 5215 0,
5216 0,
5217 0,
5218 0,
5219 0,
5220 0
4944113a
AL		 5221);
5222
5223MGVTBL_SET(
5224 PL_vtbl_substr,
5225 MEMBER_TO_FPTR(Perl_magic_getsubstr),
5226 MEMBER_TO_FPTR(Perl_magic_setsubstr),
abdc98d4
NC		 5227 0,
5228 0,
5229 0,
5230 0,
5231 0,
5232 0
4944113a
AL		 5233);
5234
5235MGVTBL_SET(
5236 PL_vtbl_vec,
5237 MEMBER_TO_FPTR(Perl_magic_getvec),
5238 MEMBER_TO_FPTR(Perl_magic_setvec),
abdc98d4
NC		 5239 0,
5240 0,
5241 0,
5242 0,
5243 0,
5244 0
4944113a
AL		 5245);
5246
5247MGVTBL_SET(
5248 PL_vtbl_pos,
5249 MEMBER_TO_FPTR(Perl_magic_getpos),
5250 MEMBER_TO_FPTR(Perl_magic_setpos),
abdc98d4
NC		 5251 0,
5252 0,
5253 0,
5254 0,
5255 0,
5256 0
4944113a
AL		 5257);
5258
5259MGVTBL_SET(
5260 PL_vtbl_bm,
abdc98d4 5261 0,
488344d2 5262 MEMBER_TO_FPTR(Perl_magic_setregexp),
abdc98d4
NC		 5263 0,
5264 0,
5265 0,
5266 0,
5267 0,
5268 0
4944113a
AL		 5269);
5270
5271MGVTBL_SET(
5272 PL_vtbl_fm,
abdc98d4 5273 0,
488344d2 5274 MEMBER_TO_FPTR(Perl_magic_setregexp),
abdc98d4
NC		 5275 0,
5276 0,
5277 0,
5278 0,
5279 0,
5280 0
4944113a
AL		 5281);
5282
5283MGVTBL_SET(
5284 PL_vtbl_uvar,
5285 MEMBER_TO_FPTR(Perl_magic_getuvar),
5286 MEMBER_TO_FPTR(Perl_magic_setuvar),
abdc98d4
NC		 5287 0,
5288 0,
5289 0,
5290 0,
5291 0,
5292 0
4944113a
AL		 5293);
5294
5295MGVTBL_SET(
5296 PL_vtbl_defelem,
5297 MEMBER_TO_FPTR(Perl_magic_getdefelem),
5298 MEMBER_TO_FPTR(Perl_magic_setdefelem),
abdc98d4
NC		 5299 0,
5300 0,
5301 0,
5302 0,
5303 0,
5304 0
4944113a
AL		 5305);
5306
5307MGVTBL_SET(
5308 PL_vtbl_regexp,
abdc98d4 5309 0,
4944113a 5310 MEMBER_TO_FPTR(Perl_magic_setregexp),
abdc98d4
NC		 5311 0,
5312 0,
288b8c02 5313 0,
abdc98d4
NC		 5314 0,
5315 0,
5316 0
4944113a
AL		 5317);
5318
5319MGVTBL_SET(
5320 PL_vtbl_regdata,
abdc98d4
NC		 5321 0,
5322 0,
4944113a 5323 MEMBER_TO_FPTR(Perl_magic_regdata_cnt),
abdc98d4
NC		 5324 0,
5325 0,
5326 0,
5327 0,
5328 0
4944113a
AL		 5329);
5330
5331MGVTBL_SET(
5332 PL_vtbl_regdatum,
5333 MEMBER_TO_FPTR(Perl_magic_regdatum_get),
5334 MEMBER_TO_FPTR(Perl_magic_regdatum_set),
abdc98d4
NC		 5335 0,
5336 0,
5337 0,
5338 0,
5339 0,
5340 0
4944113a
AL		 5341);
5342
5343MGVTBL_SET(
5344 PL_vtbl_amagic,
abdc98d4 5345 0,
4944113a 5346 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5347 0,
5348 0,
4944113a 5349 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5350 0,
5351 0,
5352 0
4944113a
AL		 5353);
5354
5355MGVTBL_SET(
5356 PL_vtbl_amagicelem,
abdc98d4 5357 0,
4944113a 5358 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5359 0,
5360 0,
4944113a 5361 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5362 0,
5363 0,
5364 0
4944113a
AL		 5365);
5366
5367MGVTBL_SET(
5368 PL_vtbl_backref,
abdc98d4
NC		 5369 0,
5370 0,
5371 0,
5372 0,
4944113a 5373 MEMBER_TO_FPTR(Perl_magic_killbackrefs),
abdc98d4
NC		 5374 0,
5375 0,
5376 0
4944113a
AL		 5377);
5378
5379MGVTBL_SET(
5380 PL_vtbl_ovrld,
abdc98d4
NC		 5381 0,
5382 0,
5383 0,
5384 0,
4944113a 5385 MEMBER_TO_FPTR(Perl_magic_freeovrld),
abdc98d4
NC		 5386 0,
5387 0,
5388 0
4944113a
AL		 5389);
5390
5391MGVTBL_SET(
5392 PL_vtbl_utf8,
abdc98d4 5393 0,
4944113a 5394 MEMBER_TO_FPTR(Perl_magic_setutf8),
abdc98d4
NC		 5395 0,
5396 0,
5397 0,
5398 0,
5399 0,
5400 0
4944113a 5401);
36477c24 5402#ifdef USE_LOCALE_COLLATE
4944113a
AL		 5403MGVTBL_SET(
5404 PL_vtbl_collxfrm,
abdc98d4 5405 0,
4944113a 5406 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
abdc98d4
NC		 5407 0,
5408 0,
5409 0,
5410 0,
5411 0,
5412 0
4944113a 5413);
bbce6d69 5414#endif
a0d0e21e 5415
b3ca2e83
NC		 5416MGVTBL_SET(
5417 PL_vtbl_hintselem,
abdc98d4 5418 0,
b3ca2e83 5419 MEMBER_TO_FPTR(Perl_magic_sethint),
abdc98d4 5420 0,
b3ca2e83 5421 MEMBER_TO_FPTR(Perl_magic_clearhint),
abdc98d4
NC		 5422 0,
5423 0,
5424 0,
5425 0
b3ca2e83
NC		 5426);
5427
f747ebd6
Z		 5428MGVTBL_SET(
5429 PL_vtbl_hints,
5430 0,
5431 0,
5432 0,
5433 MEMBER_TO_FPTR(Perl_magic_clearhints),
5434 0,
5435 0,
5436 0,
5437 0
5438);
5439
bab3dc31 5440#include "overload.h"
a0d0e21e 5441
73c4f7a1
GS		 5442END_EXTERN_C
5443
a6006777 5444struct am_table {
8175493d 5445 U32 flags;
eb160463 5446 U32 was_ok_sub;
a0d0e21e 5447 long was_ok_am;
a0d0e21e 5448 long fallback;
9bd87817 5449 CV* table[NofAMmeth];
a0d0e21e 5450};
a6006777 5451struct am_table_short {
8175493d 5452 U32 flags;
eb160463 5453 U32 was_ok_sub;
a6006777 5454 long was_ok_am;
a6006777 5455};
a0d0e21e 5456typedef struct am_table AMT;
a6006777 5457typedef struct am_table_short AMTS;
a0d0e21e
LW		 5458
5459#define AMGfallNEVER 1
5460#define AMGfallNO 2
5461#define AMGfallYES 3
5462
a6006777 5463#define AMTf_AMAGIC 1
32251b26 5464#define AMTf_OVERLOADED 2
a6006777 5465#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5466#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5467#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 5468#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
5469#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
5470#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 5471
32251b26 5472#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5473
5474/*
5475 * some compilers like to redefine cos et alia as faster
5476 * (and less accurate?) versions called F_cos et cetera (Quidquid
5477 * latine dictum sit, altum viditur.) This trick collides with
5478 * the Perl overloading (amg). The following #defines fool both.
5479 */
5480
5481#ifdef _FASTMATH
5482# ifdef atan2
5483# define F_atan2_amg atan2_amg
5484# endif
5485# ifdef cos
5486# define F_cos_amg cos_amg
5487# endif
5488# ifdef exp
5489# define F_exp_amg exp_amg
5490# endif
5491# ifdef log
5492# define F_log_amg log_amg
5493# endif
5494# ifdef pow
5495# define F_pow_amg pow_amg
5496# endif
5497# ifdef sin
5498# define F_sin_amg sin_amg
5499# endif
5500# ifdef sqrt
5501# define F_sqrt_amg sqrt_amg
5502# endif
5503#endif /* _FASTMATH */
5504
83ee9e09
GS		 5505#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5506 PERLDBf_NOOPT | PERLDBf_INTER | \
5507 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
b8fcbefe
NC		 5508 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5509 PERLDBf_SAVESRC)
925cfbb8 5510 /* No _NONAME, _GOTO */
83ee9e09
GS		 5511#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5512#define PERLDBf_LINE 0x02 /* Keep line # */
5513#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5514#define PERLDBf_INTER 0x08 /* Preserve more data for
5515 later inspections */
5516#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5517#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5518#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5519#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5520#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5521#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
b8fcbefe 5522#define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
c30d8139
NC		 5523#define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subrouties */
5524#define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
84902520 5525
3280af22
NIS		 5526#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5527#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5528#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5529#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5530#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5531#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5532#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5533#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5534#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5535#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
b8fcbefe 5536#define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC))
c30d8139
NC		 5537#define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS))
5538#define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID))
bbce6d69 5539
36477c24 5540#ifdef USE_LOCALE_NUMERIC
bbce6d69 5541
36477c24 5542#define SET_NUMERIC_STANDARD() \
ff4fed7c 5543 set_numeric_standard();
36477c24 5544
5545#define SET_NUMERIC_LOCAL() \
ff4fed7c 5546 set_numeric_local();
bbce6d69 5547
a98fe34d 5548#define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE)
2de3dbcc
JH		 5549#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
5550
5551#define IN_LOCALE \
923e4eb5 5552 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
2de3dbcc 5553
f93f4e46 5554#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 5555 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 5556 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 5557
5558#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 5559 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 5560 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 5561
5562#define RESTORE_NUMERIC_LOCAL() \
5563 if (was_local) SET_NUMERIC_LOCAL();
5564
5565#define RESTORE_NUMERIC_STANDARD() \
5566 if (was_standard) SET_NUMERIC_STANDARD();
5567
5b877257 5568#define Atof my_atof
097ee67d 5569
36477c24 5570#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5571
097ee67d
JH		 5572#define SET_NUMERIC_STANDARD() /**/
5573#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5574#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5575#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5576#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 5577#define RESTORE_NUMERIC_LOCAL() /**/
5578#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 5579#define Atof my_atof
ad3e0f90 5580#define IN_LOCALE_RUNTIME 0
bbce6d69 5581
36477c24 5582#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5583
079290de 5584#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5585# ifdef __hpux
5586# define strtoll __strtoll /* secret handshake */
5587# endif
c623ac67
GS		 5588# ifdef WIN64
5589# define strtoll _strtoi64 /* secret handshake */
5590# endif
079290de
GS		 5591# if !defined(Strtol) && defined(HAS_STRTOLL)
5592# define Strtol strtoll
ad551343 5593# endif
28e5dec8
JH		 5594# if !defined(Strtol) && defined(HAS_STRTOQ)
5595# define Strtol strtoq
5596# endif
ff935051 5597/* is there atoq() anywhere? */
15b99d39 5598#endif
079290de
GS		 5599#if !defined(Strtol) && defined(HAS_STRTOL)
5600# define Strtol strtol
5601#endif
5602#ifndef Atol
5603/* It would be more fashionable to use Strtol() to define atol()
5604 * (as is done for Atoul(), see below) but for backward compatibility
5605 * we just assume atol(). */
76b882ba 5606# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 5607# ifdef WIN64
5608# define atoll _atoi64 /* secret handshake */
5609# endif
76b882ba
JH		 5610# define Atol atoll
5611# else
5612# define Atol atol
5613# endif
cf2093f6
JH		 5614#endif
5615
55eb892c 5616#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5617# ifdef __hpux
5618# define strtoull __strtoull /* secret handshake */
5619# endif
c623ac67
GS		 5620# ifdef WIN64
5621# define strtoull _strtoui64 /* secret handshake */
5622# endif
ad551343 5623# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5624# define Strtoul strtoull
15b99d39 5625# endif
079290de
GS		 5626# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5627# define Strtoul strtouq
5628# endif
76d49b1c 5629/* is there atouq() anywhere? */
ad551343 5630#endif
079290de
GS		 5631#if !defined(Strtoul) && defined(HAS_STRTOUL)
5632# define Strtoul strtoul
cf2093f6 5633#endif
a5523c5b
JH		 5634#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5635# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5636#endif
079290de 5637#ifndef Atoul
d4c19fe8 5638# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5639#endif
cf2093f6 5640
760ac839 5641
06d86050
GS		 5642/* if these never got defined, they need defaults */
5643#ifndef PERL_SET_CONTEXT
5644# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5645#endif
5646
5647#ifndef PERL_GET_CONTEXT
5648# define PERL_GET_CONTEXT PERL_GET_INTERP
5649#endif
5650
5651#ifndef PERL_GET_THX
5652# define PERL_GET_THX ((void*)NULL)
5653#endif
5654
5655#ifndef PERL_SET_THX
5656# define PERL_SET_THX(t) NOOP
5657#endif
5658
a868473f
NIS		 5659#ifndef PERL_SCRIPT_MODE
5660#define PERL_SCRIPT_MODE "r"
5661#endif
5662
fba3b22e 5663/*
da927450
JH		 5664 * Some operating systems are stingy with stack allocation,
5665 * so perl may have to guard against stack overflow.
5666 */
5667#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5668#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5669#endif
5670
5671/*
5672 * Some nonpreemptive operating systems find it convenient to
5673 * check for asynchronous conditions after each op execution.
5674 * Keep this check simple, or it may slow down execution
5675 * massively.
5676 */
ce08f86c 5677
1d615522 5678#ifndef PERL_MICRO
4ffa73a3
JH		 5679# ifndef PERL_ASYNC_CHECK
5680# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
5681# endif
ce08f86c
NIS		 5682#endif
5683
da927450 5684#ifndef PERL_ASYNC_CHECK
1d615522 5685# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5686#endif
5687
5688/*
5689 * On some operating systems, a memory allocation may succeed,
5690 * but put the process too close to the system's comfort limit.
5691 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5692 * it to NULL.
5693 */
5694#ifndef PERL_ALLOC_CHECK
c2af87cb 5695#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5696#endif
5697
bd89102f
AD		 5698#ifdef HAS_SEM
5699# include <sys/ipc.h>
5700# include <sys/sem.h>
5701# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5702 union semun {
dbba660d
TC		 5703 int val;
5704 struct semid_ds *buf;
5705 unsigned short *array;
bd89102f
AD		 5706 };
5707# endif
5708# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5709# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5710 union gccbug_semun {
5711 int val;
5712 struct semid_ds *buf;
5713 unsigned short *array;
5714 char __dummy[5];
5715 };
5716# define semun gccbug_semun
5717# endif
bd89102f
AD		 5718# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5719# else
5720# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5721# ifdef EXTRA_F_IN_SEMUN_BUF
5722# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5723# else
5724# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5725# endif
bd89102f
AD		 5726# endif
5727# endif
bd89102f 5728#endif
49f531da 5729
89ca4ac7
JH		 5730/*
5731 * Boilerplate macros for initializing and accessing interpreter-local
5732 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 5733 * this, if you want to make the extension thread-safe. See
5734 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5735 * and perlxs.pod for more.
89ca4ac7
JH		 5736 *
5737 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5738 * 1. #define MY_CXT_KEY to a unique string, e.g.
5739 * "DynaLoader::_guts" XS_VERSION
f16dd614 5740 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5741 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5742 * all the data that needs to be interpreter-local.
5743 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5744 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5745 * (typically put in the BOOT: section).
5746 * 5. Use the members of the my_cxt_t structure everywhere as
5747 * MY_CXT.member.
5748 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5749 * access MY_CXT.
5750 */
5751
fc958cd2 5752#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 5753
53d44271
JH		 5754#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5755
5756/* This must appear in all extensions that define a my_cxt_t structure,
5757 * right after the definition (i.e. at file scope). The non-threads
5758 * case below uses it to declare the data as static. */
5759#define START_MY_CXT
5760#define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5761
5762/* Creates and zeroes the per-interpreter data.
5763 * (We allocate my_cxtp in a Perl SV so that it will be released when
5764 * the interpreter goes away.) */
5765#define MY_CXT_INIT \
5766 my_cxt_t *my_cxtp = \
5767 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_KEY, sizeof(my_cxt_t))
5768#define MY_CXT_INIT_INTERP(my_perl) \
5769 my_cxt_t *my_cxtp = \
5770 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_KEY, sizeof(my_cxt_t))
5771
5772/* This declaration should be used within all functions that use the
5773 * interpreter-local data. */
5774#define dMY_CXT \
5775 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
5776#define dMY_CXT_INTERP(my_perl) \
5777 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5778
5779/* Clones the per-interpreter data. */
5780#define MY_CXT_CLONE \
5781 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5782 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5783 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5784
5785#else /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
5786
89ca4ac7
JH		 5787/* This must appear in all extensions that define a my_cxt_t structure,
5788 * right after the definition (i.e. at file scope). The non-threads
5789 * case below uses it to declare the data as static. */
f16dd614 5790#define START_MY_CXT static int my_cxt_index = -1;
89ca4ac7
JH		 5791
5792/* This declaration should be used within all functions that use the
5793 * interpreter-local data. */
5794#define dMY_CXT \
f16dd614
DM		 5795 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[my_cxt_index]
5796#define dMY_CXT_INTERP(my_perl) \
5797 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[my_cxt_index]
89ca4ac7
JH		 5798
5799/* Creates and zeroes the per-interpreter data.
5800 * (We allocate my_cxtp in a Perl SV so that it will be released when
5801 * the interpreter goes away.) */
5802#define MY_CXT_INIT \
f16dd614
DM		 5803 my_cxt_t *my_cxtp = \
5804 (my_cxt_t*)Perl_my_cxt_init(aTHX_ &my_cxt_index, sizeof(my_cxt_t))
5805#define MY_CXT_INIT_INTERP(my_perl) \
5806 my_cxt_t *my_cxtp = \
5807 (my_cxt_t*)Perl_my_cxt_init(my_perl, &my_cxt_index, sizeof(my_cxt_t))
89ca4ac7 5808
8fba5d14
MHM		 5809/* Clones the per-interpreter data. */
5810#define MY_CXT_CLONE \
8fba5d14 5811 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
f16dd614
DM		 5812 Copy(PL_my_cxt_list[my_cxt_index], my_cxtp, 1, my_cxt_t);\
5813 PL_my_cxt_list[my_cxt_index] = my_cxtp \
8fba5d14 5814
53d44271
JH		 5815#endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
5816
89ca4ac7
JH		 5817/* This macro must be used to access members of the my_cxt_t structure.
5818 * e.g. MYCXT.some_data */
5819#define MY_CXT (*my_cxtp)
5820
5821/* Judicious use of these macros can reduce the number of times dMY_CXT
5822 * is used. Use is similar to pTHX, aTHX etc. */
5823#define pMY_CXT my_cxt_t *my_cxtp
5824#define pMY_CXT_ pMY_CXT,
5825#define _pMY_CXT ,pMY_CXT
5826#define aMY_CXT my_cxtp
5827#define aMY_CXT_ aMY_CXT,
5828#define _aMY_CXT ,aMY_CXT
5829
f16dd614 5830#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7
JH		 5831
5832#define START_MY_CXT static my_cxt_t my_cxt;
5833#define dMY_CXT_SV dNOOP
5834#define dMY_CXT dNOOP
9568a123 5835#define dMY_CXT_INTERP(my_perl) dNOOP
89ca4ac7 5836#define MY_CXT_INIT NOOP
8fba5d14 5837#define MY_CXT_CLONE NOOP
89ca4ac7
JH		 5838#define MY_CXT my_cxt
5839
5840#define pMY_CXT void
5841#define pMY_CXT_
5842#define _pMY_CXT
5843#define aMY_CXT
5844#define aMY_CXT_
5845#define _aMY_CXT
5846
f16dd614 5847#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5848
9a34ef1d
GS		 5849#ifdef I_FCNTL
5850# include <fcntl.h>
9a34ef1d
GS		 5851#endif
5852
9cffb111
OS		 5853#ifdef __Lynx__
5854# include <fcntl.h>
5855#endif
5856
9a34ef1d
GS		 5857#ifdef I_SYS_FILE
5858# include <sys/file.h>
5859#endif
5860
fa0a29af 5861#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5862int flock(int fd, int op);
5863#endif
5864
fe52b3b7
GS		 5865#ifndef O_RDONLY
5866/* Assume UNIX defaults */
5867# define O_RDONLY 0000
5868# define O_WRONLY 0001
5869# define O_RDWR 0002
5870# define O_CREAT 0100
5871#endif
9a34ef1d 5872
16fe6d59
GS		 5873#ifndef O_BINARY
5874# define O_BINARY 0
5875#endif
5876
5877#ifndef O_TEXT
5878# define O_TEXT 0
5879#endif
5880
6ce75a77
JH		 5881#if O_TEXT != O_BINARY
5882 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5883 * that is, you are somehow DOSish. */
df00ff3b
IW		 5884# if defined(__BEOS__) || defined(__HAIKU__) || defined(__VOS__) || \
5885 defined(__CYGWIN__)
5886 /* BeOS/Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5887 * BeOS/Haiku is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5888 /* VOS has O_TEXT != O_BINARY, and they have effect,
5889 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5890 /* If you have O_TEXT different from your O_BINARY but you still are
5891 * not a CRLF shop. */
35990314 5892# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5893# else
5894 /* If you really are DOSish. */
5895# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5896# endif
5897#endif
5898
4bc88a62
PS		 5899#ifdef I_LIBUTIL
5900# include <libutil.h> /* setproctitle() in some FreeBSDs */
5901#endif
5902
b4748376 5903#ifndef EXEC_ARGV_CAST
360ea906 5904#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 5905#endif
5906
dd5dc04f
JH		 5907#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5908 int). value returned in pointed-
5909 to UV */
5910#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5911#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5912#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5913#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5914#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5915
5916#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5917
53305cf1
NC		 5918/* Input flags: */
5919#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5920#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5921#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 5922/* Output flags: */
5923#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5924
2c4f7f0e
DM		 5925/* to let user control profiling */
5926#ifdef PERL_GPROF_CONTROL
5927extern void moncontrol(int);
5928#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5929#else
5930#define PERL_GPROF_MONCONTROL(x)
5931#endif
5932
ae0e3d3b
JH		 5933#ifdef UNDER_CE
5934#include "wince.h"
5935#endif
5936
5937/* ISO 6429 NEL - C1 control NExt Line */
5938/* See http://www.unicode.org/unicode/reports/tr13/ */
5939#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
5940# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
5941# define NEXT_LINE_CHAR 0x15
5942# else /* CDRA */
5943# define NEXT_LINE_CHAR 0x25
5944# endif
5945#else
5946# define NEXT_LINE_CHAR 0x85
5947#endif
5948
5949/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5950#define UNICODE_LINE_SEPA_0 0xE2
5951#define UNICODE_LINE_SEPA_1 0x80
5952#define UNICODE_LINE_SEPA_2 0xA8
5953#define UNICODE_PARA_SEPA_0 0xE2
5954#define UNICODE_PARA_SEPA_1 0x80
5955#define UNICODE_PARA_SEPA_2 0xA9
5956
479b2847
GS		 5957#ifndef PIPESOCK_MODE
5958# define PIPESOCK_MODE
5959#endif
5960
460c8493
IZ		 5961#ifndef SOCKET_OPEN_MODE
5962# define SOCKET_OPEN_MODE PIPESOCK_MODE
5963#endif
5964
5965#ifndef PIPE_OPEN_MODE
5966# define PIPE_OPEN_MODE PIPESOCK_MODE
5967#endif
5968
7e8c5dac
HS		 5969#define PERL_MAGIC_UTF8_CACHESIZE 2
5970
a05d7ebb
JH		 5971#define PERL_UNICODE_STDIN_FLAG 0x0001
5972#define PERL_UNICODE_STDOUT_FLAG 0x0002
5973#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5974#define PERL_UNICODE_IN_FLAG 0x0008
5975#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5976#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5977#define PERL_UNICODE_LOCALE_FLAG 0x0040
5978#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 5979#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 5980
06e66572
JH		 5981#define PERL_UNICODE_STD_FLAG \
5982 (PERL_UNICODE_STDIN_FLAG | \
5983 PERL_UNICODE_STDOUT_FLAG | \
5984 PERL_UNICODE_STDERR_FLAG)
5985
5986#define PERL_UNICODE_INOUT_FLAG \
5987 (PERL_UNICODE_IN_FLAG | \
5988 PERL_UNICODE_OUT_FLAG)
5989
5990#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5991 (PERL_UNICODE_STD_FLAG | \
5992 PERL_UNICODE_INOUT_FLAG | \
5993 PERL_UNICODE_LOCALE_FLAG)
5994
5a22a2bb 5995#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 5996
5997#define PERL_UNICODE_STDIN 'I'
5998#define PERL_UNICODE_STDOUT 'O'
5999#define PERL_UNICODE_STDERR 'E'
6000#define PERL_UNICODE_STD 'S'
6001#define PERL_UNICODE_IN 'i'
6002#define PERL_UNICODE_OUT 'o'
6003#define PERL_UNICODE_INOUT 'D'
6004#define PERL_UNICODE_ARGV 'A'
6005#define PERL_UNICODE_LOCALE 'L'
6006#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 6007#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 6008
4ffa73a3
JH		 6009#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
6010
16bd9a85
JH		 6011/* From sigaction(2) (FreeBSD man page):
6012 * | Signal routines normally execute with the signal that
6013 * | caused their invocation blocked, but other signals may
6014 * | yet occur.
6015 * Emulation of this behavior (from within Perl) is enabled
6016 * by defining PERL_BLOCK_SIGNALS.
6017 */
6018#define PERL_BLOCK_SIGNALS
6019
6020#if defined(HAS_SIGPROCMASK) && defined(PERL_BLOCK_SIGNALS)
6021# define PERL_BLOCKSIG_ADD(set,sig) \
6022 sigset_t set; sigemptyset(&(set)); sigaddset(&(set), sig)
6023# define PERL_BLOCKSIG_BLOCK(set) \
6024 sigprocmask(SIG_BLOCK, &(set), NULL)
6025# define PERL_BLOCKSIG_UNBLOCK(set) \
6026 sigprocmask(SIG_UNBLOCK, &(set), NULL)
6027#endif /* HAS_SIGPROCMASK && PERL_BLOCK_SIGNALS */
6028
6029/* How about the old style of sigblock()? */
6030
6031#ifndef PERL_BLOCKSIG_ADD
6032# define PERL_BLOCKSIG_ADD(set, sig) NOOP
6033#endif
6034#ifndef PERL_BLOCKSIG_BLOCK
6035# define PERL_BLOCKSIG_BLOCK(set) NOOP
6036#endif
2bfba5f0 6037#ifndef PERL_BLOCKSIG_UNBLOCK
16bd9a85
JH		 6038# define PERL_BLOCKSIG_UNBLOCK(set) NOOP
6039#endif
6040
32fdb065 6041/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 6042 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 6043#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
6044
3c0f78ca
JH		 6045#if defined(__DECC) && defined(__osf__)
6046#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 6047#endif
6048
e4dba786
NC		 6049#define do_open(g, n, l, a, rm, rp, sf) \
6050 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 6051#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 6052# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 6053#endif
15871fce
NC		 6054#ifdef OS2
6055# define do_aexec Perl_do_aexec
6056#else
6057# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 6058#endif
e4dba786 6059
2f3efc97
JH		 6060#if defined(OEMVS)
6061#define NO_ENV_ARRAY_IN_MAIN
6062#endif
6063
00f254e2
KW		 6064/* These are used by Perl_pv_escape() and Perl_pv_pretty()
6065 * are here so that they are available throughout the core
10edeb5d
JH		 6066 * NOTE that even though some are for _escape and some for _pretty
6067 * there must not be any clashes as the flags from _pretty are
6068 * passed straight through to _escape.
6069 */
6070
6071#define PERL_PV_ESCAPE_QUOTE 0x0001
6072#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
6073
95b611b0 6074#define PERL_PV_PRETTY_ELLIPSES 0x0002
10edeb5d
JH		 6075#define PERL_PV_PRETTY_LTGT 0x0004
6076
6077#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
6078
00f254e2 6079#define PERL_PV_ESCAPE_UNI 0x0100
10edeb5d
JH		 6080#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
6081
6082#define PERL_PV_ESCAPE_ALL 0x1000
6083#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
6084#define PERL_PV_ESCAPE_NOCLEAR 0x4000
44a2ac75 6085#define PERL_PV_ESCAPE_RE 0x8000
10edeb5d 6086
881a015e
NC		 6087#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
6088
10edeb5d 6089/* used by pv_display in dump.c*/
95b611b0
RGS		 6090#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
6091#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE
10edeb5d
JH		 6092
6093/*
6094
6095 (KEEP THIS LAST IN perl.h!)
6096
6097 Mention
d460ef45 6098
43999f95 6099 NV_PRESERVES_UV
fe749a9f 6100
fe749a9f
JH		 6101 HAS_MKSTEMP
6102 HAS_MKSTEMPS
6103 HAS_MKDTEMP
6104
49dabb45
JH		 6105 HAS_GETCWD
6106
d59b5429 6107 HAS_MMAP
fe749a9f
JH		 6108 HAS_MPROTECT
6109 HAS_MSYNC
1e8c3fde 6110 HAS_MADVISE
fe749a9f
JH		 6111 HAS_MUNMAP
6112 I_SYSMMAN
6113 Mmap_t
6114
6b4667fc
A		 6115 NVef
6116 NVff
6117 NVgf
6118
4e0554ec 6119 HAS_UALARM
2d736872 6120 HAS_USLEEP
4e0554ec
JH		 6121
6122 HAS_SETITIMER
6123 HAS_GETITIMER
6124
6125 HAS_SENDMSG
6126 HAS_RECVMSG
6127 HAS_READV
6128 HAS_WRITEV
6129 I_SYSUIO
6130 HAS_STRUCT_MSGHDR
6131 HAS_STRUCT_CMSGHDR
6132
2765b840 6133 HAS_NL_LANGINFO
0a7020c9 6134
ae0e3d3b 6135 HAS_DIRFD
2765b840 6136
10edeb5d 6137 so that Configure picks them up.
ab3bbdeb 6138
10edeb5d 6139 (KEEP THIS LAST IN perl.h!)
3df15adc 6140
10edeb5d 6141*/
3df15adc 6142
85e6fe83 6143#endif /* Include guard */
e9a8c099
MHM		 6144
6145/*
6146 * Local variables:
6147 * c-indentation-style: bsd
6148 * c-basic-offset: 4
6149 * indent-tabs-mode: t
6150 * End:
6151 *
6152 * ex: set ts=8 sts=4 sw=4 noet:
6153 */
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