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Rename ext/Module/Pluggable to ext/Module-Pluggable
[perl5.git] / perl.h
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a0d0e21e 1/* perl.h
a687059c 2 *
1129b882
NC		 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008 by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
b0f06652
VK		 37# ifndef USE_CROSS_COMPILE
38# include "config.h"
39# else
40# include "xconfig.h"
41# endif
12ae5dfc 42#endif
0cb96387 43
2c2d71f5
JH		 44/* See L<perlguts/"The Perl API"> for detailed notes on
45 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
46
ac6bedea
JH		 47/* Note that from here --> to <-- the same logic is
48 * repeated in makedef.pl, so be certain to update
49 * both places when editing. */
50
894ccb8c
JH		 51#ifdef PERL_IMPLICIT_SYS
52/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
53 so use slab allocator to avoid lots of MUTEX overhead
54 */
55# ifndef PL_OP_SLAB_ALLOC
56# define PL_OP_SLAB_ALLOC
57# endif
ba979b31
NIS		 58#endif
59
6f4183fe 60#ifdef USE_ITHREADS
acfe0abc 61# if !defined(MULTIPLICITY)
6f4183fe
GS		 62# define MULTIPLICITY
63# endif
64#endif
65
27da23d5
JH		 66#ifdef PERL_GLOBAL_STRUCT_PRIVATE
67# ifndef PERL_GLOBAL_STRUCT
68# define PERL_GLOBAL_STRUCT
69# endif
70#endif
97aff369 71
27da23d5
JH		 72#ifdef PERL_GLOBAL_STRUCT
73# ifndef MULTIPLICITY
74# define MULTIPLICITY
75# endif
76#endif
77
97aff369
JH		 78#ifdef MULTIPLICITY
79# ifndef PERL_IMPLICIT_CONTEXT
80# define PERL_IMPLICIT_CONTEXT
81# endif
82#endif
83
026fd48b
GH		 84/* undef WIN32 when building on Cygwin (for libwin32) - gph */
85#ifdef __CYGWIN__
86# undef WIN32
87# undef _WIN32
88#endif
89
27da23d5
JH		 90#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
91# ifndef SYMBIAN
92# define SYMBIAN
93# endif
94#endif
95
a0fd4948 96#ifdef __SYMBIAN32__
27da23d5
JH		 97# include "symbian/symbian_proto.h"
98#endif
99
100/* Any stack-challenged places. The limit varies (and often
101 * is configurable), but using more than a kilobyte of stack
102 * is usually dubious in these systems. */
a0fd4948 103#if defined(EPOC) || defined(__SYMBIAN32__)
27da23d5
JH		 104/* EPOC/Symbian: need to work around the SDK features. *
105 * On WINS: MS VC5 generates calls to _chkstk, *
106 * if a "large" stack frame is allocated. *
107 * gcc on MARM does not generate calls like these. */
108# define USE_HEAP_INSTEAD_OF_STACK
109#endif
110
111#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 112/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 113#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 114# define USE_REENTRANT_API
115#endif
116
ac6bedea
JH		 117/* <--- here ends the logic shared by perl.h and makedef.pl */
118
af28e889 119/*
6239f2da
JH		 120 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
121 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 122 * __bsdi__ for BSD/OS
123 */
6239f2da 124#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 125# ifndef BSDish
126# define BSDish
127# endif
128#endif
129
cf5a8da6
MHM		 130#undef START_EXTERN_C
131#undef END_EXTERN_C
132#undef EXTERN_C
133#ifdef __cplusplus
134# define START_EXTERN_C extern "C" {
135# define END_EXTERN_C }
136# define EXTERN_C extern "C"
137#else
138# define START_EXTERN_C
139# define END_EXTERN_C
140# define EXTERN_C extern
141#endif
142
27da23d5
JH		 143#ifdef PERL_GLOBAL_STRUCT
144# ifndef PERL_GET_VARS
145# ifdef PERL_GLOBAL_STRUCT_PRIVATE
cf5a8da6 146 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
27da23d5
JH		 147# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
148# ifndef PERLIO_FUNCS_CONST
149# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
150# endif
151# else
152# define PERL_GET_VARS() PL_VarsPtr
153# endif
154# endif
155#endif
156
7a89be66 157#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH		 158
159#ifdef PERL_GLOBAL_STRUCT
160# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
161#else
162# define dVAR dNOOP
163#endif
164
c5be433b 165#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 166# ifndef MULTIPLICITY
167# define MULTIPLICITY
c5be433b 168# endif
e8dda941 169# define tTHX PerlInterpreter*
5ba4cab2 170# define pTHX register tTHX my_perl PERL_UNUSED_DECL
3db8f154 171# define aTHX my_perl
27da23d5 172# ifdef PERL_GLOBAL_STRUCT
e8dda941 173# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 174# else
e8dda941 175# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH		 176# endif
177# ifdef PERL_GLOBAL_STRUCT
178# define dTHX dVAR; pTHX = PERL_GET_THX
179# else
180# define dTHX pTHX = PERL_GET_THX
181# endif
c5be433b 182# define pTHX_ pTHX,
c5be433b 183# define aTHX_ aTHX,
4373e329 184# define pTHX_1 2
894356b3
GS		 185# define pTHX_2 3
186# define pTHX_3 4
187# define pTHX_4 5
4373e329
AL		 188# define pTHX_5 6
189# define pTHX_6 7
a3b680e6
AL		 190# define pTHX_7 8
191# define pTHX_8 9
192# define pTHX_9 10
e8dda941
JD		 193# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
194# define PERL_TRACK_MEMPOOL
195# endif
196#else
197# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 198#endif
199
76e3520e
GS		 200#define STATIC static
201#define CPERLscope(x) x
565764a8 202#define CPERLarg void
76e3520e 203#define CPERLarg_
e3b8966e 204#define _CPERLarg
1d583055
GS		 205#define PERL_OBJECT_THIS
206#define _PERL_OBJECT_THIS
207#define PERL_OBJECT_THIS_
312caa8e 208#define CALL_FPTR(fptr) (*fptr)
76e3520e 209
312caa8e 210#define CALLRUNOPS CALL_FPTR(PL_runops)
f9f4320a 211
3ab4a224 212#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 213
3ab4a224
AB		 214#define CALLREGCOMP_ENG(prog, sv, flags) \
215 CALL_FPTR(((prog)->comp))(aTHX_ sv, flags)
f9f4320a 216#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
07bc277f 217 CALL_FPTR(RX_ENGINE(prog)->exec)(aTHX_ (prog),(stringarg),(strend), \
f9f4320a
YO		 218 (strbeg),(minend),(screamer),(data),(flags))
219#define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \
07bc277f 220 CALL_FPTR(RX_ENGINE(prog)->intuit)(aTHX_ (prog), (sv), (strpos), \
f9f4320a
YO		 221 (strend),(flags),(data))
222#define CALLREG_INTUIT_STRING(prog) \
07bc277f 223 CALL_FPTR(RX_ENGINE(prog)->checkstr)(aTHX_ (prog))
f8149455 224
f8149455
YO		 225#define CALLREGFREE(prog) \
226 Perl_pregfree(aTHX_ (prog))
227
228#define CALLREGFREE_PVT(prog) \
07bc277f 229 if(prog) CALL_FPTR(RX_ENGINE(prog)->free)(aTHX_ (prog))
f8149455 230
2fdbfb4d 231#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
07bc277f 232 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_FETCH)(aTHX_ (rx),(paren),(usesv))
93b32b6d 233
2fdbfb4d 234#define CALLREG_NUMBUF_STORE(rx,paren,value) \
07bc277f 235 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_STORE)(aTHX_ (rx),(paren),(value))
2fdbfb4d
AB		 236
237#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
07bc277f 238 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_LENGTH)(aTHX_ (rx),(sv),(paren))
2fdbfb4d 239
192b9cd1 240#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
07bc277f 241 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
192b9cd1
AB		 242
243#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
07bc277f 244 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
192b9cd1
AB		 245
246#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
07bc277f 247 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB		 248
249#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
07bc277f 250 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB		 251
252#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
07bc277f 253 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB		 254
255#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
07bc277f 256 CALL_FPTR(RX_ENGINE(rx)->named_buff_iter)(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB		 257
258#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
07bc277f 259 CALL_FPTR(RX_ENGINE(rx)->named_buff_iter)(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB		 260
261#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
07bc277f 262 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
AB		 263
264#define CALLREG_NAMED_BUFF_COUNT(rx) \
07bc277f 265 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
192b9cd1
AB		 266
267#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
07bc277f 268 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 269
49d7dfbc 270#define CALLREG_PACKAGE(rx) \
07bc277f 271 CALL_FPTR(RX_ENGINE(rx)->qr_package)(aTHX_ (rx))
93b32b6d 272
f9f4320a
YO		 273#if defined(USE_ITHREADS)
274#define CALLREGDUPE(prog,param) \
f8149455
YO		 275 Perl_re_dup(aTHX_ (prog),(param))
276
277#define CALLREGDUPE_PVT(prog,param) \
07bc277f 278 (prog ? CALL_FPTR(RX_ENGINE(prog)->dupe)(aTHX_ (prog),(param)) \
f9f4320a
YO		 279 : (REGEXP *)NULL)
280#endif
14dd3ad8 281
a20207d7 282
bcdf7404 283
a20207d7
YO		 284
285
5ba4cab2
SH		 286/*
287 * Because of backward compatibility reasons the PERL_UNUSED_DECL
288 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
289 *
290 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 291 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 292 * marking unused variables (they need e.g. a #pragma) and therefore
293 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
294 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
295 *
296 */
1266ad8c 297
9969cdde 298#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 299# ifdef __cplusplus
5ba4cab2 300# define PERL_UNUSED_DECL
5b2bd0a5 301# else
5ba4cab2 302# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 303# endif
304#endif
44dbb695 305
5b2bd0a5 306#ifndef PERL_UNUSED_DECL
34659ad4 307# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 308# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 309# else
5ba4cab2 310# define PERL_UNUSED_DECL
b79c357a 311# endif
5b2bd0a5
AMS		 312#endif
313
349b520e
DM		 314/* gcc -Wall:
315 * for silencing unused variables that are actually used most of the time,
a0288114 316 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 317 */
53c1dcc0 318#ifndef PERL_UNUSED_ARG
c99ffe5e 319# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 320# include <note.h>
53c1dcc0 321# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 322# else
53c1dcc0 323# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 324# endif
325#endif
53c1dcc0
AL		 326#ifndef PERL_UNUSED_VAR
327# define PERL_UNUSED_VAR(x) ((void)x)
328#endif
ad73156c 329
96a5add6
AL		 330#ifdef USE_ITHREADS
331# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
332#else
333# define PERL_UNUSED_CONTEXT
334#endif
335
6f207bd3 336#define NOOP /*EMPTY*/(void)0
6b484a99
JH		 337#if !defined(HASATTRIBUTE_UNUSED) && defined(__cplusplus)
338#define dNOOP /*EMPTY*/(void)0 /* Older g++ has no __attribute((unused))__ */
339#else
6f207bd3 340#define dNOOP extern int /*@unused@*/ Perl___notused PERL_UNUSED_DECL
6b484a99 341#endif
71be2cbc 342
0cb96387 343#ifndef pTHX
e8dda941
JD		 344/* Don't bother defining tTHX and sTHX; using them outside
345 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
346 */
0cb96387
GS		 347# define pTHX void
348# define pTHX_
0cb96387
GS		 349# define aTHX
350# define aTHX_
0cb96387
GS		 351# define dTHXa(a) dNOOP
352# define dTHX dNOOP
894356b3
GS		 353# define pTHX_1 1
354# define pTHX_2 2
355# define pTHX_3 3
356# define pTHX_4 4
3d42dc86
RGS		 357# define pTHX_5 5
358# define pTHX_6 6
a3b680e6
AL		 359# define pTHX_7 7
360# define pTHX_8 8
361# define pTHX_9 9
0cb96387
GS		 362#endif
363
27da23d5
JH		 364#ifndef dVAR
365# define dVAR dNOOP
366#endif
367
b4f7f263
GS		 368/* these are only defined for compatibility; should not be used internally */
369#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 370# define pTHXo pTHX
371# define pTHXo_ pTHX_
0cb96387
GS		 372# define aTHXo aTHX
373# define aTHXo_ aTHX_
c5be433b 374# define dTHXo dTHX
71d280e3 375# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 376#endif
377
378#ifndef pTHXx
379# define pTHXx register PerlInterpreter *my_perl
380# define pTHXx_ pTHXx,
0cb96387
GS		 381# define aTHXx my_perl
382# define aTHXx_ aTHXx,
c5be433b 383# define dTHXx dTHX
22c35a8c 384#endif
71be2cbc 385
1de7c2ac
GS		 386/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
387 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
388 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
389#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 390# ifdef PERL_GLOBAL_STRUCT_PRIVATE
391# define dTHXs dVAR; dTHX
392# else
393# define dTHXs dTHX
394# endif
1de7c2ac 395#else
27da23d5
JH		 396# ifdef PERL_GLOBAL_STRUCT_PRIVATE
397# define dTHXs dVAR
398# else
399# define dTHXs dNOOP
400# endif
1de7c2ac
GS		 401#endif
402
27da23d5
JH		 403/* Some platforms require marking function declarations
404 * for them to be exportable. Used in perlio.h, proto.h
405 * is handled either by the makedef.pl or by defining the
406 * PERL_CALLCONV to be something special. See also the
407 * definition of XS() in XSUB.h. */
408#ifndef PERL_EXPORT_C
a0c21aa1
JH		 409# ifdef __cplusplus
410# define PERL_EXPORT_C extern "C"
411# else
412# define PERL_EXPORT_C extern
413# endif
27da23d5
JH		 414#endif
415#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 416# ifdef __cplusplus
417# define PERL_XS_EXPORT_C extern "C"
418# else
419# define PERL_XS_EXPORT_C
420# endif
27da23d5
JH		 421#endif
422
462e5cf6
MB		 423#ifdef OP_IN_REGISTER
424# ifdef __GNUC__
425# define stringify_immed(s) #s
426# define stringify(s) stringify_immed(s)
d1ca3daa 427register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 428# endif
429#endif
430
e5afc1ae 431/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 432 * g++ allows them but seems to have problems with them
70aab261
RB		 433 * (insane errors ensue).
434 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
435 */
436#if defined(PERL_GCC_PEDANTIC) || \
437 (defined(__GNUC__) && defined(__cplusplus) && \
438 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 439# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 440# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
441# endif
5dc8bdac
JH		 442#endif
443
5b692037
JH		 444#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
445# ifndef PERL_USE_GCC_BRACE_GROUPS
446# define PERL_USE_GCC_BRACE_GROUPS
447# endif
448#endif
449
728e2803 450/*
451 * STMT_START { statements; } STMT_END;
452 * can be used as a single statement, as in
453 * if (x) STMT_START { ... } STMT_END; else ...
454 *
455 * Trying to select a version that gives no warnings...
456 */
457#if !(defined(STMT_START) && defined(STMT_END))
5b692037 458# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 459# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 460# define STMT_END )
461# else
462 /* Now which other defined()s do we need here ??? */
93189314 463# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 464# define STMT_START if (1)
465# define STMT_END else (void)0
466# else
467# define STMT_START do
468# define STMT_END while (0)
469# endif
470# endif
471#endif
472
0cb96387 473#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 474#define WITH_THR(s) WITH_THX(s)
ea0efc06 475
d6f9c181
JH		 476#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
477# define BYTEORDER 0x1234
79072805
LW		 478#endif
479
480/* Overall memory policy? */
481#ifndef CONSERVATIVE
482# define LIBERAL 1
483#endif
484
8ada0baa
JH		 485#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
486#define ASCIIish
487#else
488#undef ASCIIish
489#endif
490
79072805
LW		 491/*
492 * The following contortions are brought to you on behalf of all the
493 * standards, semi-standards, de facto standards, not-so-de-facto standards
494 * of the world, as well as all the other botches anyone ever thought of.
495 * The basic theory is that if we work hard enough here, the rest of the
496 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
497 */
ac58e20f 498
ee0007ab 499/* define this once if either system, instead of cluttering up the src */
2986a63f 500#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 501#define DOSISH 1
502#endif
503
fb38d079 504#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 505# define STANDARD_C 1
506#endif
507
9969cdde 508#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 509# define DONT_DECLARE_STD 1
510#endif
511
352d5a3a 512#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 513# define VOL volatile
663a0e37 514#else
79072805 515# define VOL
663a0e37
LW		 516#endif
517
3280af22
NIS		 518#define TAINT (PL_tainted = TRUE)
519#define TAINT_NOT (PL_tainted = FALSE)
520#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
521#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 522#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 523
d460ef45 524/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 525 defines move there? If so, I could simplify this a lot. --AD 9/96.
526*/
527/* Process group stuff changed from traditional BSD to POSIX.
528 perlfunc.pod documents the traditional BSD-style syntax, so we'll
529 try to preserve that, if possible.
530*/
531#ifdef HAS_SETPGID
532# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 533#else
a6e633de 534# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
535# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
536# else
537# ifdef HAS_SETPGRP2 /* DG/UX */
538# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
539# endif
540# endif
541#endif
542#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
543# define HAS_SETPGRP /* Well, effectively it does . . . */
544#endif
545
546/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
547 our life easier :-) so we'll try it.
548*/
549#ifdef HAS_GETPGID
550# define BSD_GETPGRP(pid) getpgid((pid))
551#else
552# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
553# define BSD_GETPGRP(pid) getpgrp((pid))
554# else
555# ifdef HAS_GETPGRP2 /* DG/UX */
556# define BSD_GETPGRP(pid) getpgrp2((pid))
557# endif
558# endif
559#endif
560#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
561# define HAS_GETPGRP /* Well, effectively it does . . . */
562#endif
563
d460ef45 564/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 565 have different behaviors, but perl.h used to define USE_BSDPGRP
566 (prior to 5.003_05) so some extension might depend on it.
567*/
568#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
569# ifndef USE_BSDPGRP
570# define USE_BSDPGRP
571# endif
663a0e37
LW		 572#endif
573
8ac5a1fe
MH		 574/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
575 pthread.h must be included before all other header files.
576*/
3db8f154 577#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 578# include <pthread.h>
579#endif
580
760ac839
LW		 581#ifndef _TYPES_ /* If types.h defines this it's easy. */
582# ifndef major /* Does everyone's types.h define this? */
583# include <sys/types.h>
c07a80fd 584# endif
663a0e37
LW		 585#endif
586
760ac839
LW		 587#ifdef __cplusplus
588# ifndef I_STDARG
589# define I_STDARG 1
590# endif
591#endif
592
593#ifdef I_STDARG
594# include <stdarg.h>
595#else
596# ifdef I_VARARGS
597# include <varargs.h>
598# endif
599#endif
600
4633a7c4 601#ifdef USE_NEXT_CTYPE
0c30d9ec 602
092bebab
JH		 603#if NX_CURRENT_COMPILER_RELEASE >= 500
604# include <bsd/ctypes.h>
605#else
606# if NX_CURRENT_COMPILER_RELEASE >= 400
607# include <objc/NXCType.h>
608# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
609# include <appkit/NXCType.h>
610# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
611#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 612
613#else /* !USE_NEXT_CTYPE */
fe14fcc3 614#include <ctype.h>
0c30d9ec 615#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 616
617#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
618#undef METHOD
a0d0e21e
LW		 619#endif
620
12ae5dfc
JH		 621#ifdef PERL_MICRO
622# define NO_LOCALE
623#endif
624
4633a7c4 625#ifdef I_LOCALE
36477c24 626# include <locale.h>
4633a7c4
LW		 627#endif
628
36477c24 629#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
630# define USE_LOCALE
631# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
632 && defined(HAS_STRXFRM)
633# define USE_LOCALE_COLLATE
634# endif
635# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
636# define USE_LOCALE_CTYPE
637# endif
638# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
639# define USE_LOCALE_NUMERIC
640# endif
641#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 642
fe14fcc3 643#include <setjmp.h>
79072805 644
a0d0e21e 645#ifdef I_SYS_PARAM
79072805
LW		 646# ifdef PARAM_NEEDS_TYPES
647# include <sys/types.h>
648# endif
649# include <sys/param.h>
352d5a3a 650#endif
79072805 651
79072805 652/* Use all the "standard" definitions? */
a0d0e21e 653#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 654# include <stdlib.h>
ff68c719 655#endif
03a14243 656
3f270f98
JH		 657/* If this causes problems, set i_unistd=undef in the hint file. */
658#ifdef I_UNISTD
659# include <unistd.h>
660#endif
661
de8ca8af
NT		 662/* for WCOREDUMP */
663#ifdef I_SYS_WAIT
664# include <sys/wait.h>
665#endif
666
9969cdde 667#ifdef __SYMBIAN32__
27da23d5
JH		 668# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
669#endif
670
7114a2d2 671#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 672EXTERN_C int syscall(int, ...);
2ef53570
JH		 673#endif
674
7114a2d2 675#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 676EXTERN_C int usleep(unsigned int);
2ef53570
JH		 677#endif
678
9c12f1e5
RGS		 679/* Funky places that do not have socket stuff. */
680#if defined(__LIBCATAMOUNT__)
681# define MYSWAP
682#endif
683
9a34ef1d
GS		 684#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
685# define MYSWAP
686#endif
687
1109a392
MHM		 688#ifdef PERL_CORE
689
690/* macros for correct constant construction */
691# if INTSIZE >= 2
692# define U16_CONST(x) ((U16)x##U)
693# else
694# define U16_CONST(x) ((U16)x##UL)
695# endif
696
697# if INTSIZE >= 4
698# define U32_CONST(x) ((U32)x##U)
699# else
700# define U32_CONST(x) ((U32)x##UL)
701# endif
702
703# ifdef HAS_QUAD
704# if INTSIZE >= 8
705# define U64_CONST(x) ((U64)x##U)
706# elif LONGSIZE >= 8
707# define U64_CONST(x) ((U64)x##UL)
708# elif QUADKIND == QUAD_IS_LONG_LONG
709# define U64_CONST(x) ((U64)x##ULL)
710# else /* best guess we can make */
711# define U64_CONST(x) ((U64)x##UL)
712# endif
713# endif
714
715/* byte-swapping functions for big-/little-endian conversion */
716# define _swab_16_(x) ((U16)( \
717 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
718 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
719
720# define _swab_32_(x) ((U32)( \
721 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
722 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
723 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
724 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
725
726# ifdef HAS_QUAD
727# define _swab_64_(x) ((U64)( \
728 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
729 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
730 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
731 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
732 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
733 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
734 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
735 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
736# endif
737
738/*----------------------------------------------------------------------------*/
739# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
740/*----------------------------------------------------------------------------*/
741# define my_htole16(x) (x)
742# define my_letoh16(x) (x)
743# define my_htole32(x) (x)
744# define my_letoh32(x) (x)
745# define my_htobe16(x) _swab_16_(x)
746# define my_betoh16(x) _swab_16_(x)
747# define my_htobe32(x) _swab_32_(x)
748# define my_betoh32(x) _swab_32_(x)
749# ifdef HAS_QUAD
750# define my_htole64(x) (x)
751# define my_letoh64(x) (x)
752# define my_htobe64(x) _swab_64_(x)
753# define my_betoh64(x) _swab_64_(x)
754# endif
755# define my_htoles(x) (x)
756# define my_letohs(x) (x)
757# define my_htolei(x) (x)
758# define my_letohi(x) (x)
759# define my_htolel(x) (x)
760# define my_letohl(x) (x)
761# if SHORTSIZE == 1
762# define my_htobes(x) (x)
763# define my_betohs(x) (x)
764# elif SHORTSIZE == 2
765# define my_htobes(x) _swab_16_(x)
766# define my_betohs(x) _swab_16_(x)
767# elif SHORTSIZE == 4
768# define my_htobes(x) _swab_32_(x)
769# define my_betohs(x) _swab_32_(x)
770# elif SHORTSIZE == 8
771# define my_htobes(x) _swab_64_(x)
772# define my_betohs(x) _swab_64_(x)
773# else
774# define PERL_NEED_MY_HTOBES
775# define PERL_NEED_MY_BETOHS
776# endif
777# if INTSIZE == 1
778# define my_htobei(x) (x)
779# define my_betohi(x) (x)
780# elif INTSIZE == 2
781# define my_htobei(x) _swab_16_(x)
782# define my_betohi(x) _swab_16_(x)
783# elif INTSIZE == 4
784# define my_htobei(x) _swab_32_(x)
785# define my_betohi(x) _swab_32_(x)
786# elif INTSIZE == 8
787# define my_htobei(x) _swab_64_(x)
788# define my_betohi(x) _swab_64_(x)
789# else
790# define PERL_NEED_MY_HTOBEI
791# define PERL_NEED_MY_BETOHI
792# endif
793# if LONGSIZE == 1
794# define my_htobel(x) (x)
795# define my_betohl(x) (x)
796# elif LONGSIZE == 2
797# define my_htobel(x) _swab_16_(x)
798# define my_betohl(x) _swab_16_(x)
799# elif LONGSIZE == 4
800# define my_htobel(x) _swab_32_(x)
801# define my_betohl(x) _swab_32_(x)
802# elif LONGSIZE == 8
803# define my_htobel(x) _swab_64_(x)
804# define my_betohl(x) _swab_64_(x)
805# else
806# define PERL_NEED_MY_HTOBEL
807# define PERL_NEED_MY_BETOHL
808# endif
809# define my_htolen(p,n) NOOP
810# define my_letohn(p,n) NOOP
811# define my_htoben(p,n) my_swabn(p,n)
812# define my_betohn(p,n) my_swabn(p,n)
813/*----------------------------------------------------------------------------*/
814# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
815/*----------------------------------------------------------------------------*/
816# define my_htobe16(x) (x)
817# define my_betoh16(x) (x)
818# define my_htobe32(x) (x)
819# define my_betoh32(x) (x)
820# define my_htole16(x) _swab_16_(x)
821# define my_letoh16(x) _swab_16_(x)
822# define my_htole32(x) _swab_32_(x)
823# define my_letoh32(x) _swab_32_(x)
824# ifdef HAS_QUAD
825# define my_htobe64(x) (x)
826# define my_betoh64(x) (x)
827# define my_htole64(x) _swab_64_(x)
828# define my_letoh64(x) _swab_64_(x)
829# endif
830# define my_htobes(x) (x)
831# define my_betohs(x) (x)
832# define my_htobei(x) (x)
833# define my_betohi(x) (x)
834# define my_htobel(x) (x)
835# define my_betohl(x) (x)
836# if SHORTSIZE == 1
837# define my_htoles(x) (x)
838# define my_letohs(x) (x)
839# elif SHORTSIZE == 2
840# define my_htoles(x) _swab_16_(x)
841# define my_letohs(x) _swab_16_(x)
842# elif SHORTSIZE == 4
843# define my_htoles(x) _swab_32_(x)
844# define my_letohs(x) _swab_32_(x)
845# elif SHORTSIZE == 8
846# define my_htoles(x) _swab_64_(x)
847# define my_letohs(x) _swab_64_(x)
848# else
849# define PERL_NEED_MY_HTOLES
850# define PERL_NEED_MY_LETOHS
851# endif
852# if INTSIZE == 1
853# define my_htolei(x) (x)
854# define my_letohi(x) (x)
855# elif INTSIZE == 2
856# define my_htolei(x) _swab_16_(x)
857# define my_letohi(x) _swab_16_(x)
858# elif INTSIZE == 4
859# define my_htolei(x) _swab_32_(x)
860# define my_letohi(x) _swab_32_(x)
861# elif INTSIZE == 8
862# define my_htolei(x) _swab_64_(x)
863# define my_letohi(x) _swab_64_(x)
864# else
865# define PERL_NEED_MY_HTOLEI
866# define PERL_NEED_MY_LETOHI
867# endif
868# if LONGSIZE == 1
869# define my_htolel(x) (x)
870# define my_letohl(x) (x)
871# elif LONGSIZE == 2
872# define my_htolel(x) _swab_16_(x)
873# define my_letohl(x) _swab_16_(x)
874# elif LONGSIZE == 4
875# define my_htolel(x) _swab_32_(x)
876# define my_letohl(x) _swab_32_(x)
877# elif LONGSIZE == 8
878# define my_htolel(x) _swab_64_(x)
879# define my_letohl(x) _swab_64_(x)
880# else
881# define PERL_NEED_MY_HTOLEL
882# define PERL_NEED_MY_LETOHL
883# endif
884# define my_htolen(p,n) my_swabn(p,n)
885# define my_letohn(p,n) my_swabn(p,n)
886# define my_htoben(p,n) NOOP
887# define my_betohn(p,n) NOOP
888/*----------------------------------------------------------------------------*/
889# else /* all other byte-orders */
890/*----------------------------------------------------------------------------*/
891# define PERL_NEED_MY_HTOLE16
892# define PERL_NEED_MY_LETOH16
893# define PERL_NEED_MY_HTOBE16
894# define PERL_NEED_MY_BETOH16
895# define PERL_NEED_MY_HTOLE32
896# define PERL_NEED_MY_LETOH32
897# define PERL_NEED_MY_HTOBE32
898# define PERL_NEED_MY_BETOH32
899# ifdef HAS_QUAD
900# define PERL_NEED_MY_HTOLE64
901# define PERL_NEED_MY_LETOH64
902# define PERL_NEED_MY_HTOBE64
903# define PERL_NEED_MY_BETOH64
904# endif
905# define PERL_NEED_MY_HTOLES
906# define PERL_NEED_MY_LETOHS
907# define PERL_NEED_MY_HTOBES
908# define PERL_NEED_MY_BETOHS
909# define PERL_NEED_MY_HTOLEI
910# define PERL_NEED_MY_LETOHI
911# define PERL_NEED_MY_HTOBEI
912# define PERL_NEED_MY_BETOHI
913# define PERL_NEED_MY_HTOLEL
914# define PERL_NEED_MY_LETOHL
915# define PERL_NEED_MY_HTOBEL
916# define PERL_NEED_MY_BETOHL
917/*----------------------------------------------------------------------------*/
918# endif /* end of byte-order macros */
919/*----------------------------------------------------------------------------*/
920
9c17f24a
NC		 921/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
922 at least on FreeBSD. YMMV, so experiment. */
923#ifndef PERL_ARENA_SIZE
924#define PERL_ARENA_SIZE 4080
925#endif
926
ccb2c8b8 927/* Maximum level of recursion */
2b9dff67
RGS		 928#ifndef PERL_SUB_DEPTH_WARN
929#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 930#endif
931
1109a392
MHM		 932#endif /* PERL_CORE */
933
bdf3085f
NC		 934/* We no longer default to creating a new SV for GvSV.
935 Do this before embed. */
936#ifndef PERL_CREATE_GVSV
7459f06b
NC		 937# ifndef PERL_DONT_CREATE_GVSV
938# define PERL_DONT_CREATE_GVSV
939# endif
bdf3085f
NC		 940#endif
941
ca0c25f6
NC		 942#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
943#define PERL_USES_PL_PIDSTATUS
944#endif
945
a62746fa
RGS		 946#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__) && !defined(MACOS_TRADITIONAL)
947#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
948#endif
949
66a93824
NIS		 950/* Cannot include embed.h here on Win32 as win32.h has not
951 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
952 */
96e176bf 953#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 954# include "embed.h"
eb8433b7
NC		 955# ifndef PERL_MAD
956# undef op_getmad
b3f24c00 957# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 958# endif
cea2e8a9
GS		 959#endif
960
c31fac66
GS		 961#define MEM_SIZE Size_t
962
1936d2a7
NC		 963/* Round all values passed to malloc up, by default to a multiple of
964 sizeof(size_t)
965*/
966#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
967#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
968#endif
969
51371543
GS		 970#if defined(STANDARD_C) && defined(I_STDDEF)
971# include <stddef.h>
972# define STRUCT_OFFSET(s,m) offsetof(s,m)
973#else
974# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
975#endif
976
9969cdde 977#ifndef __SYMBIAN32__
27da23d5
JH		 978# if defined(I_STRING) || defined(__cplusplus)
979# include <string.h>
980# else
981# include <strings.h>
982# endif
51371543
GS		 983#endif
984
55497cff 985/* This comes after <stdlib.h> so we don't try to change the standard
986 * library prototypes; we'll use our own in proto.h instead. */
03a14243 987
4633a7c4 988#ifdef MYMALLOC
86058a2d 989# ifdef PERL_POLLUTE_MALLOC
ee13e175 990# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 991# define Perl_malloc malloc
992# define Perl_calloc calloc
993# define Perl_realloc realloc
994# define Perl_mfree free
ee13e175 995# endif
86058a2d
GS		 996# else
997# define EMBEDMYMALLOC /* for compatibility */
998# endif
827e134a 999
651b9576
GS		 1000# define safemalloc Perl_malloc
1001# define safecalloc Perl_calloc
1002# define saferealloc Perl_realloc
1003# define safefree Perl_mfree
22f7c9c9
JH		 1004# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1005 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1006 code; \
1007 } STMT_END
1008# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1009 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1010# define panic_write2(s) write(2, s, strlen(s))
1011# define CHECK_MALLOC_TAINT(newval) \
1012 CHECK_MALLOC_TOO_LATE_FOR_( \
1013 if (newval) { \
1014 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1015 exit(1); })
22f7c9c9 1016# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1017 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 1018 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1019 }} STMT_END;
f2517201
GS		 1020#else /* MYMALLOC */
1021# define safemalloc safesysmalloc
1022# define safecalloc safesyscalloc
1023# define saferealloc safesysrealloc
1024# define safefree safesysfree
22f7c9c9
JH		 1025# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1026# define CHECK_MALLOC_TAINT(newval) ((void)0)
1027# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1028#endif /* MYMALLOC */
4633a7c4 1029
27da23d5 1030#define TOO_LATE_FOR_(ch,what) Perl_croak(aTHX_ "\"-%c\" is on the #! line, it must also be used on the command line%s", (char)(ch), what)
22f7c9c9
JH		 1031#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1032#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1033#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1034
a0d0e21e
LW		 1035#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1036#define strchr index
1037#define strrchr rindex
1038#endif
1039
16d20bd9
AD		 1040#ifdef I_MEMORY
1041# include <memory.h>
1042#endif
1043
fe14fcc3 1044#ifdef HAS_MEMCPY
85e6fe83 1045# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1046# ifndef memcpy
20ce7b12 1047 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 1048# endif
1049# endif
1050#else
1051# ifndef memcpy
1052# ifdef HAS_BCOPY
1053# define memcpy(d,s,l) bcopy(s,d,l)
1054# else
1055# define memcpy(d,s,l) my_bcopy(s,d,l)
1056# endif
1057# endif
1058#endif /* HAS_MEMCPY */
fe14fcc3 1059
ee0007ab 1060#ifdef HAS_MEMSET
85e6fe83 1061# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1062# ifndef memset
20ce7b12 1063 extern char *memset (char*, int, int);
ee0007ab
LW		 1064# endif
1065# endif
ee0007ab 1066#else
12ae5dfc 1067# undef memset
fc36a67e 1068# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1069#endif /* HAS_MEMSET */
1070
85e6fe83 1071#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1072# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1073# define memmove(d,s,l) bcopy(s,d,l)
1074# else
2304df62 1075# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1076# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1077# else
79072805 1078# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1079# endif
352d5a3a 1080# endif
d9d8d8de 1081#endif
ee0007ab 1082
36477c24 1083#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1084# undef HAS_MEMCMP
1085#endif
1086
1087#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1088# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1089# ifndef memcmp
20ce7b12 1090 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1091# endif
1092# endif
36477c24 1093# ifdef BUGGY_MSC
7e4e8c89 1094# pragma function(memcmp)
36477c24 1095# endif
ee0007ab
LW		 1096#else
1097# ifndef memcmp
ecfc5424 1098# define memcmp my_memcmp
352d5a3a 1099# endif
36477c24 1100#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1101
fc36a67e 1102#ifndef memzero
c635e13b 1103# ifdef HAS_MEMSET
1104# define memzero(d,l) memset(d,0,l)
79072805 1105# else
c635e13b 1106# ifdef HAS_BZERO
1107# define memzero(d,l) bzero(d,l)
79072805 1108# else
fc36a67e 1109# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1110# endif
1111# endif
d9d8d8de 1112#endif
378cc40b 1113
2f42fcb0 1114#ifndef PERL_MICRO
0f27ced1
JH		 1115#ifndef memchr
1116# ifndef HAS_MEMCHR
1117# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1118# endif
1119#endif
2f42fcb0 1120#endif
0f27ced1 1121
36477c24 1122#ifndef HAS_BCMP
1123# ifndef bcmp
1124# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1125# endif
36477c24 1126#endif /* !HAS_BCMP */
378cc40b 1127
ae986130 1128#ifdef I_NETINET_IN
79072805 1129# include <netinet/in.h>
ae986130
LW		 1130#endif
1131
28e8609d
JH		 1132#ifdef I_ARPA_INET
1133# include <arpa/inet.h>
1134#endif
1135
84902520
TB		 1136#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1137/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1138 * (the neo-BSD seem to do this). */
1139# undef SF_APPEND
1140#endif
1141
1aef975c 1142#ifdef I_SYS_STAT
84902520 1143# include <sys/stat.h>
1aef975c 1144#endif
79072805 1145
a0d0e21e
LW		 1146/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1147 like UTekV) are broken, sometimes giving false positives. Undefine
1148 them here and let the code below set them to proper values.
1149
1150 The ghs macro stands for GreenHills Software C-1.8.5 which
1151 is the C compiler for sysV88 and the various derivatives.
1152 This header file bug is corrected in gcc-2.5.8 and later versions.
1153 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1154
1155#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1156# undef S_ISDIR
1157# undef S_ISCHR
1158# undef S_ISBLK
1159# undef S_ISREG
1160# undef S_ISFIFO
1161# undef S_ISLNK
ee0007ab 1162#endif
135863df 1163
663a0e37
LW		 1164#ifdef I_TIME
1165# include <time.h>
ffed7fef 1166#endif
663a0e37 1167
fe14fcc3 1168#ifdef I_SYS_TIME
85e6fe83 1169# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1170# define KERNEL
1171# endif
1172# include <sys/time.h>
85e6fe83 1173# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1174# undef KERNEL
1175# endif
a687059c 1176#endif
135863df 1177
55497cff 1178#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1179# include <sys/times.h>
d9d8d8de 1180#endif
8d063cd8 1181
fe14fcc3 1182#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1183# undef HAS_STRERROR
663a0e37
LW		 1184#endif
1185
1186#include <errno.h>
1e743fda 1187
acfe0abc 1188#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1189# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1190#endif
1191
8cfab5ff
JH		 1192/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1193 * This is important for using IPv6.
1194 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1195 * a bad idea since it breaks send() and recv(). */
1196#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1197# define _SOCKADDR_LEN
1198#endif
1199
8d3f517a 1200#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1201# include <sys/socket.h>
1202# if defined(USE_SOCKS) && defined(I_SOCKS)
1203# if !defined(INCLUDE_PROTOTYPES)
1204# define INCLUDE_PROTOTYPES /* for <socks.h> */
1205# define PERL_SOCKS_NEED_PROTOTYPES
1206# endif
1207# include <socks.h>
1208# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1209# undef INCLUDE_PROTOTYPES
1210# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1211# endif
d460ef45 1212# endif
1e743fda 1213# ifdef I_NETDB
2986a63f
JH		 1214# ifdef NETWARE
1215# include<stdio.h>
1216# endif
1e743fda
JH		 1217# include <netdb.h>
1218# endif
1219# ifndef ENOTSOCK
1220# ifdef I_NET_ERRNO
1221# include <net/errno.h>
1222# endif
1223# endif
1224#endif
1225
fa0a29af 1226/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1227 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1228 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1229#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1230# if defined(__THROW) && defined(__GLIBC__)
1231int sockatmark(int) __THROW;
1232# else
2ef53570 1233int sockatmark(int);
29820b6d 1234# endif
2ef53570
JH		 1235#endif
1236
7e827271 1237#if defined(__osf__) && defined(__cplusplus) && !defined(_XOPEN_SOURCE_EXTENDED) /* Tru64 "cxx" (C++), see hints/dec_osf.sh for why the _XOPEN_SOURCE_EXTENDED cannot be defined. */
45d3b546
JH		 1238EXTERN_C int fchdir(int);
1239EXTERN_C int flock(int, int);
1240EXTERN_C int fseeko(FILE *, off_t, int);
1241EXTERN_C off_t ftello(FILE *);
1242#endif
1243
7e827271 1244#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1245EXTERN_C char *crypt(const char *, const char *);
7e827271 1246EXTERN_C char **environ;
1ccb7c8d
JH		 1247#endif
1248
83a6ff2e 1249#if defined(__cplusplus)
944c4fda 1250# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1251EXTERN_C char **environ;
83a6ff2e 1252# elif defined(__CYGWIN__)
667e2948
SP		 1253EXTERN_C char *crypt(const char *, const char *);
1254#endif
83a6ff2e 1255#endif
667e2948 1256
1e743fda
JH		 1257#ifdef SETERRNO
1258# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1259#endif
f86702cc 1260
1261#ifdef VMS
1262# define SETERRNO(errcode,vmserrcode) \
1263 STMT_START { \
1264 set_errno(errcode); \
1265 set_vaxc_errno(vmserrcode); \
1266 } STMT_END
4ee39169
CS		 1267# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1268# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1269# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1270# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1271
93189314
JH		 1272# define LIB_INVARG LIB$_INVARG
1273# define RMS_DIR RMS$_DIR
1274# define RMS_FAC RMS$_FAC
1275# define RMS_FEX RMS$_FEX
1276# define RMS_FNF RMS$_FNF
1277# define RMS_IFI RMS$_IFI
1278# define RMS_ISI RMS$_ISI
1279# define RMS_PRV RMS$_PRV
1280# define SS_ACCVIO SS$_ACCVIO
1281# define SS_DEVOFFLINE SS$_DEVOFFLINE
1282# define SS_IVCHAN SS$_IVCHAN
1283# define SS_NORMAL SS$_NORMAL
748a9306 1284#else
aba27d88 1285# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS		 1286# define dSAVEDERRNO int saved_errno
1287# define dSAVE_ERRNO int saved_errno = errno
1288# define SAVE_ERRNO (saved_errno = errno)
1289# define RESTORE_ERRNO (errno = saved_errno)
1290
93189314
JH		 1291# define LIB_INVARG 0
1292# define RMS_DIR 0
1293# define RMS_FAC 0
1294# define RMS_FEX 0
1295# define RMS_FNF 0
1296# define RMS_IFI 0
1297# define RMS_ISI 0
1298# define RMS_PRV 0
1299# define SS_ACCVIO 0
1300# define SS_DEVOFFLINE 0
1301# define SS_IVCHAN 0
1302# define SS_NORMAL 0
748a9306 1303#endif
ed6116ce 1304
3db8f154 1305#define ERRSV GvSV(PL_errgv)
414bf5ae
MHM		 1306#ifdef PERL_CORE
1307# define DEFSV (0 + GvSVn(PL_defgv))
1308#else
1309# define DEFSV GvSVn(PL_defgv)
1310#endif
1311#define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
3db8f154 1312#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1313
98eae8f5
GS		 1314#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1315
55497cff 1316#ifndef errno
5ff3f7a4
GS		 1317 extern int errno; /* ANSI allows errno to be an lvalue expr.
1318 * For example in multithreaded environments
1319 * something like this might happen:
1320 * extern int *_errno(void);
1321 * #define errno (*_errno()) */
d9d8d8de 1322#endif
663a0e37 1323
2304df62 1324#ifdef HAS_STRERROR
a0d0e21e 1325# ifdef VMS
20ce7b12 1326 char *strerror (int,...);
a0d0e21e 1327# else
68dc0745 1328#ifndef DONT_DECLARE_STD
20ce7b12 1329 char *strerror (int);
68dc0745 1330#endif
a0d0e21e 1331# endif
2304df62
AD		 1332# ifndef Strerror
1333# define Strerror strerror
1334# endif
1335#else
1336# ifdef HAS_SYS_ERRLIST
79072805
LW		 1337 extern int sys_nerr;
1338 extern char *sys_errlist[];
2304df62
AD		 1339# ifndef Strerror
1340# define Strerror(e) \
79072805 1341 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1342# endif
79072805 1343# endif
35c8bce7 1344#endif
663a0e37 1345
2304df62 1346#ifdef I_SYS_IOCTL
79072805
LW		 1347# ifndef _IOCTL_
1348# include <sys/ioctl.h>
1349# endif
a687059c
LW		 1350#endif
1351
ee0007ab 1352#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1353# ifdef HAS_SOCKETPAIR
1354# undef HAS_SOCKETPAIR
1355# endif
2304df62
AD		 1356# ifdef I_NDBM
1357# undef I_NDBM
79072805 1358# endif
a687059c
LW		 1359#endif
1360
02fc2eee
NC		 1361#ifndef HAS_SOCKETPAIR
1362# ifdef HAS_SOCKET
1363# define socketpair Perl_my_socketpair
1364# endif
1365#endif
1366
a687059c 1367#if INTSIZE == 2
79072805
LW		 1368# define htoni htons
1369# define ntohi ntohs
a687059c 1370#else
79072805
LW		 1371# define htoni htonl
1372# define ntohi ntohl
a687059c
LW		 1373#endif
1374
a0d0e21e 1375/* Configure already sets Direntry_t */
35c8bce7 1376#if defined(I_DIRENT)
663a0e37 1377# include <dirent.h>
8f1f23e8
W		 1378 /* NeXT needs dirent + sys/dir.h */
1379# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1380# include <sys/dir.h>
1381# endif
ae986130 1382#else
fe14fcc3 1383# ifdef I_SYS_NDIR
79a0689e 1384# include <sys/ndir.h>
663a0e37 1385# else
fe14fcc3 1386# ifdef I_SYS_DIR
79a0689e
LW		 1387# ifdef hp9000s500
1388# include <ndir.h> /* may be wrong in the future */
1389# else
1390# include <sys/dir.h>
1391# endif
663a0e37
LW		 1392# endif
1393# endif
4633a7c4 1394#endif
a687059c 1395
12ae5dfc
JH		 1396#ifdef PERL_MICRO
1397# ifndef DIR
1398# define DIR void
1399# endif
1400#endif
1401
352d5a3a
LW		 1402#ifdef FPUTS_BOTCH
1403/* work around botch in SunOS 4.0.1 and 4.0.2 */
1404# ifndef fputs
79072805 1405# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1406# endif
1407#endif
1408
c623bd54
LW		 1409/*
1410 * The following gobbledygook brought to you on behalf of __STDC__.
1411 * (I could just use #ifndef __STDC__, but this is more bulletproof
1412 * in the face of half-implementations.)
1413 */
1414
7114a2d2 1415#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1416#include <sys/mode.h>
1417#endif
1418
c623bd54
LW		 1419#ifndef S_IFMT
1420# ifdef _S_IFMT
1421# define S_IFMT _S_IFMT
1422# else
1423# define S_IFMT 0170000
1424# endif
1425#endif
1426
1427#ifndef S_ISDIR
1428# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1429#endif
1430
1431#ifndef S_ISCHR
1432# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1433#endif
1434
1435#ifndef S_ISBLK
fe14fcc3
LW		 1436# ifdef S_IFBLK
1437# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1438# else
1439# define S_ISBLK(m) (0)
1440# endif
c623bd54
LW		 1441#endif
1442
1443#ifndef S_ISREG
1444# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1445#endif
1446
1447#ifndef S_ISFIFO
fe14fcc3
LW		 1448# ifdef S_IFIFO
1449# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1450# else
1451# define S_ISFIFO(m) (0)
1452# endif
c623bd54
LW		 1453#endif
1454
1455#ifndef S_ISLNK
1456# ifdef _S_ISLNK
1457# define S_ISLNK(m) _S_ISLNK(m)
1458# else
1459# ifdef _S_IFLNK
1460# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1461# else
1462# ifdef S_IFLNK
1463# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1464# else
1465# define S_ISLNK(m) (0)
1466# endif
1467# endif
1468# endif
1469#endif
1470
1471#ifndef S_ISSOCK
1472# ifdef _S_ISSOCK
1473# define S_ISSOCK(m) _S_ISSOCK(m)
1474# else
1475# ifdef _S_IFSOCK
1476# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1477# else
1478# ifdef S_IFSOCK
1479# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1480# else
1481# define S_ISSOCK(m) (0)
1482# endif
1483# endif
1484# endif
1485#endif
1486
1487#ifndef S_IRUSR
1488# ifdef S_IREAD
1489# define S_IRUSR S_IREAD
1490# define S_IWUSR S_IWRITE
1491# define S_IXUSR S_IEXEC
1492# else
1493# define S_IRUSR 0400
1494# define S_IWUSR 0200
1495# define S_IXUSR 0100
1496# endif
fac7cdfc
JS		 1497#endif
1498
1499#ifndef S_IRGRP
1500# ifdef S_IRUSR
1501# define S_IRGRP (S_IRUSR>>3)
1502# define S_IWGRP (S_IWUSR>>3)
1503# define S_IXGRP (S_IXUSR>>3)
1504# else
1505# define S_IRGRP 0040
1506# define S_IWGRP 0020
1507# define S_IXGRP 0010
1508# endif
1509#endif
1510
1511#ifndef S_IROTH
1512# ifdef S_IRUSR
1513# define S_IROTH (S_IRUSR>>6)
1514# define S_IWOTH (S_IWUSR>>6)
1515# define S_IXOTH (S_IXUSR>>6)
1516# else
1517# define S_IROTH 0040
1518# define S_IWOTH 0020
1519# define S_IXOTH 0010
1520# endif
c623bd54
LW		 1521#endif
1522
1523#ifndef S_ISUID
1524# define S_ISUID 04000
1525#endif
1526
1527#ifndef S_ISGID
1528# define S_ISGID 02000
1529#endif
1530
ca6e1c26
JH		 1531#ifndef S_IRWXU
1532# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1533#endif
ca6e1c26
JH		 1534
1535#ifndef S_IRWXG
1536# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1537#endif
ca6e1c26
JH		 1538
1539#ifndef S_IRWXO
1540# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1541#endif
ca6e1c26 1542
df00ff3b 1543/* BeOS 5.0 and Haiku R1 seem to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1544 * which would get included through <sys/file.h >, but that is 3000
1545 * lines in the future. --jhi */
1546
df00ff3b 1547#if !defined(S_IREAD) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1548# define S_IREAD S_IRUSR
1549#endif
1550
df00ff3b 1551#if !defined(S_IWRITE) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1552# define S_IWRITE S_IWUSR
1553#endif
1554
1555#ifndef S_IEXEC
1556# define S_IEXEC S_IXUSR
1557#endif
1558
79072805
LW		 1559#ifdef ff_next
1560# undef ff_next
352d5a3a
LW		 1561#endif
1562
a0d0e21e 1563#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1564# define SLOPPYDIVIDE
1565#endif
1566
748a9306
LW		 1567#ifdef UV
1568#undef UV
1569#endif
1570
c89df6bf
JH		 1571#ifdef SPRINTF_E_BUG
1572# define sprintf UTS_sprintf_wrap
1573#endif
1574
ce582cee
NC		 1575/* For the times when you want the return value of sprintf, and you want it
1576 to be the length. Can't have a thread variable passed in, because C89 has
1577 no varargs macros.
1578*/
1579#ifdef SPRINTF_RETURNS_STRLEN
1580# define my_sprintf sprintf
1581#else
1582# define my_sprintf Perl_my_sprintf
1583#endif
1584
5b692037
JH		 1585/*
1586 * If we have v?snprintf() and the C99 variadic macros, we can just
1587 * use just the v?snprintf(). It is nice to try to trap the buffer
1588 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1589 * gcc statement expressions, then use the function wrappers which try
1590 * to trap the overflow. If we can use the gcc statement expressions,
1591 * we can try that even with the version that uses the C99 variadic
1592 * macros.
5b692037
JH		 1593 */
1594
1208b3dd
JH		 1595/* Note that we do not check against snprintf()/vsnprintf() returning
1596 * negative values because that is non-standard behaviour and we use
1597 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1598 * that should be true only if the snprintf()/vsnprintf() are true
1599 * to the standard. */
1600
dfeee9b1 1601#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1602# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1603# define my_snprintf(buffer, len, ...) ({ int __len__ = snprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (len)) Perl_croak_nocontext("panic: snprintf buffer overflow"); __len__; })
1208b3dd 1604# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1605# else
1606# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1607# endif
1608#else
1609# define my_snprintf Perl_my_snprintf
1208b3dd 1610# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1611#endif
1612
dfeee9b1 1613#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1614# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1615# define my_vsnprintf(buffer, len, ...) ({ int __len__ = vsnprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (len)) Perl_croak_nocontext("panic: vsnprintf buffer overflow"); __len__; })
1208b3dd 1616# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1617# else
1618# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1619# endif
1620#else
1621# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1622# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1623#endif
d9fad198 1624
a6cc4119
SP		 1625#ifdef HAS_STRLCAT
1626# define my_strlcat strlcat
1627#else
1628# define my_strlcat Perl_my_strlcat
1629#endif
1630
1631#ifdef HAS_STRLCPY
1632# define my_strlcpy strlcpy
1633#else
1634# define my_strlcpy Perl_my_strlcpy
1635#endif
1636
c495e728
JH		 1637/* Configure gets this right but the UTS compiler gets it wrong.
1638 -- Hal Morris <hom00@utsglobal.com> */
1639#ifdef UTS
1640# undef UVTYPE
1641# define UVTYPE unsigned
1642#endif
1643
05f13f53 1644/*
27d4fb96 1645 The IV type is supposed to be long enough to hold any integral
1646 value or a pointer.
1647 --Andy Dougherty August 1996
1648*/
1649
a22e52b9
JH		 1650typedef IVTYPE IV;
1651typedef UVTYPE UV;
8175356b 1652
10cc9d2a 1653#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1654# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1655# define IV_MAX INT64_MAX
1656# define IV_MIN INT64_MIN
1657# define UV_MAX UINT64_MAX
cae7ae48
JH		 1658# ifndef UINT64_MIN
1659# define UINT64_MIN 0
1660# endif
5ff3f7a4
GS		 1661# define UV_MIN UINT64_MIN
1662# else
1663# define IV_MAX PERL_QUAD_MAX
1664# define IV_MIN PERL_QUAD_MIN
1665# define UV_MAX PERL_UQUAD_MAX
1666# define UV_MIN PERL_UQUAD_MIN
1667# endif
cf2093f6
JH		 1668# define IV_IS_QUAD
1669# define UV_IS_QUAD
79072805 1670#else
8175356b 1671# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1672# define IV_MAX INT32_MAX
1673# define IV_MIN INT32_MIN
716026f9
DL		 1674# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1675# define UV_MAX UINT32_MAX
1676# else
1677# define UV_MAX 4294967295U
1678# endif
cae7ae48
JH		 1679# ifndef UINT32_MIN
1680# define UINT32_MIN 0
1681# endif
5ff3f7a4
GS		 1682# define UV_MIN UINT32_MIN
1683# else
1684# define IV_MAX PERL_LONG_MAX
1685# define IV_MIN PERL_LONG_MIN
1686# define UV_MAX PERL_ULONG_MAX
1687# define UV_MIN PERL_ULONG_MIN
1688# endif
8175356b 1689# if IVSIZE == 8
cf2093f6
JH		 1690# define IV_IS_QUAD
1691# define UV_IS_QUAD
de1c2614
JH		 1692# ifndef HAS_QUAD
1693# define HAS_QUAD
1694# endif
cf2093f6
JH		 1695# else
1696# undef IV_IS_QUAD
1697# undef UV_IS_QUAD
de1c2614 1698# undef HAS_QUAD
cf2093f6 1699# endif
79072805 1700#endif
d7d93a81 1701
1109a392
MHM		 1702#ifndef HAS_QUAD
1703# undef PERL_NEED_MY_HTOLE64
1704# undef PERL_NEED_MY_LETOH64
1705# undef PERL_NEED_MY_HTOBE64
1706# undef PERL_NEED_MY_BETOH64
1707#endif
1708
6cde8aec 1709#if defined(uts) || defined(UTS)
11afe549
HM		 1710# undef UV_MAX
1711# define UV_MAX (4294967295u)
20601011
JH		 1712#endif
1713
cae7ae48 1714#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1715#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1716
28e5dec8 1717#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1718#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1719#endif
1720
d460ef45 1721/*
26bb67e2
JH		 1722 * The macros INT2PTR and NUM2PTR are (despite their names)
1723 * bi-directional: they will convert int/float to or from pointers.
1724 * However the conversion to int/float are named explicitly:
1725 * PTR2IV, PTR2UV, PTR2NV.
1726 *
1727 * For int conversions we do not need two casts if pointers are
1728 * the same size as IV and UV. Otherwise we need an explicit
1729 * cast (PTRV) to avoid compiler warnings.
1730 */
56431972
RB		 1731#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1732# define PTRV UV
1733# define INT2PTR(any,d) (any)(d)
1734#else
d460ef45 1735# if PTRSIZE == LONGSIZE
56431972 1736# define PTRV unsigned long
e91e3b10 1737# define PTR2ul(p) (unsigned long)(p)
42718184 1738# else
56431972 1739# define PTRV unsigned
42718184 1740# endif
e91e3b10
RB		 1741#endif
1742
1743#ifndef INT2PTR
56431972 1744# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1745#endif
e91e3b10
RB		 1746
1747#ifndef PTR2ul
1748# define PTR2ul(p) INT2PTR(unsigned long,p)
1749#endif
1750
56431972
RB		 1751#define NUM2PTR(any,d) (any)(PTRV)(d)
1752#define PTR2IV(p) INT2PTR(IV,p)
1753#define PTR2UV(p) INT2PTR(UV,p)
1754#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1755#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1756
8141890a
JH		 1757/* According to strict ANSI C89 one cannot freely cast between
1758 * data pointers and function (code) pointers. There are at least
1759 * two ways around this. One (used below) is to do two casts,
1760 * first the other pointer to an (unsigned) integer, and then
1761 * the integer to the other pointer. The other way would be
1762 * to use unions to "overlay" the pointers. For an example of
1763 * the latter technique, see union dirpu in struct xpvio in sv.h.
1764 * The only feasible use is probably temporarily storing
1765 * function pointers in a data pointer (such as a void pointer). */
1766
e91e3b10
RB		 1767#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1768#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1769
65202027 1770#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1771# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1772# define LONG_DOUBLE_EQUALS_DOUBLE
1773# endif
68d4903c 1774# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1775# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1776# endif
1777#endif
1778
2d4389e4
JH		 1779#ifdef OVR_DBL_DIG
1780/* Use an overridden DBL_DIG */
1781# ifdef DBL_DIG
1782# undef DBL_DIG
1783# endif
1784# define DBL_DIG OVR_DBL_DIG
1785#else
1786/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1787 default value for printing floating point numbers in Gconvert
1788 (see config.h). (It also has other uses, such as figuring out if
1789 a given precision of printing can be done with a double instead of
1790 a long double - Allen).
2d4389e4
JH		 1791*/
1792#ifdef I_LIMITS
1793#include <limits.h>
1794#endif
1795#ifdef I_FLOAT
1796#include <float.h>
1797#endif
1798#ifndef HAS_DBL_DIG
1799#define DBL_DIG 15 /* A guess that works lots of places */
1800#endif
1801#endif
1802
1803#ifdef OVR_LDBL_DIG
1804/* Use an overridden LDBL_DIG */
1805# ifdef LDBL_DIG
1806# undef LDBL_DIG
1807# endif
1808# define LDBL_DIG OVR_LDBL_DIG
1809#else
1810/* The following is all to get LDBL_DIG, in order to pick a nice
1811 default value for printing floating point numbers in Gconvert.
1812 (see config.h)
1813*/
68d4903c
JH		 1814# ifdef I_LIMITS
1815# include <limits.h>
1816# endif
1817# ifdef I_FLOAT
1818# include <float.h>
1819# endif
1820# ifndef HAS_LDBL_DIG
1821# if LONG_DOUBLESIZE == 10
1822# define LDBL_DIG 18 /* assume IEEE */
1823# else
1824# if LONG_DOUBLESIZE == 12
1825# define LDBL_DIG 18 /* gcc? */
1826# else
1827# if LONG_DOUBLESIZE == 16
1828# define LDBL_DIG 33 /* assume IEEE */
1829# else
1830# if LONG_DOUBLESIZE == DOUBLESIZE
1831# define LDBL_DIG DBL_DIG /* bummer */
1832# endif
1833# endif
1834# endif
1835# endif
1836# endif
2d4389e4
JH		 1837#endif
1838
20f6aaab
AS		 1839/*
1840 * This is for making sure we have a good DBL_MAX value, if possible,
1841 * either for usage as NV_MAX or for usage in figuring out if we can
1842 * fit a given long double into a double, if bug-fixing makes it
1843 * necessary to do so. - Allen <allens@cpan.org>
1844 */
1845
205f51d8
AS		 1846#ifdef I_LIMITS
1847# include <limits.h>
20f6aaab
AS		 1848#endif
1849
205f51d8
AS		 1850#ifdef I_VALUES
1851# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1852# include <values.h>
1853# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1854# define DBL_MAX MAXDOUBLE
1855# endif
1856# if defined(MINDOUBLE) && !defined(DBL_MIN)
1857# define DBL_MIN MINDOUBLE
1858# endif
1859# endif
1860#endif /* defined(I_VALUES) */
1861
a22e52b9 1862typedef NVTYPE NV;
8175356b 1863
792d8dab
JH		 1864#ifdef I_IEEEFP
1865# include <ieeefp.h>
1866#endif
923fc586 1867
65202027 1868#ifdef USE_LONG_DOUBLE
923fc586
JH		 1869# ifdef I_SUNMATH
1870# include <sunmath.h>
1871# endif
2d4389e4 1872# define NV_DIG LDBL_DIG
d6c14000
JH		 1873# ifdef LDBL_MANT_DIG
1874# define NV_MANT_DIG LDBL_MANT_DIG
1875# endif
06fc1729
JH		 1876# ifdef LDBL_MIN
1877# define NV_MIN LDBL_MIN
1878# endif
1879# ifdef LDBL_MAX
1880# define NV_MAX LDBL_MAX
1881# endif
1882# ifdef LDBL_MIN_10_EXP
1883# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1884# endif
1885# ifdef LDBL_MAX_10_EXP
1886# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1887# endif
1888# ifdef LDBL_EPSILON
1889# define NV_EPSILON LDBL_EPSILON
1890# endif
f4a14a62
JH		 1891# ifdef LDBL_MAX
1892# define NV_MAX LDBL_MAX
20f6aaab 1893/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1894# else
1895# ifdef HUGE_VALL
1896# define NV_MAX HUGE_VALL
1897# else
1898# ifdef HUGE_VAL
1899# define NV_MAX ((NV)HUGE_VAL)
1900# endif
1901# endif
1902# endif
68d4903c 1903# ifdef HAS_SQRTL
68d4903c
JH		 1904# define Perl_cos cosl
1905# define Perl_sin sinl
1906# define Perl_sqrt sqrtl
1907# define Perl_exp expl
1908# define Perl_log logl
1909# define Perl_atan2 atan2l
1910# define Perl_pow powl
1911# define Perl_floor floorl
1bbae031 1912# define Perl_ceil ceill
68d4903c
JH		 1913# define Perl_fmod fmodl
1914# endif
a3540c92
JH		 1915/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1916# ifdef HAS_MODFL
1917# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1918/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1919 prototype in <math.h> */
1920# ifndef HAS_MODFL_PROTO
a221a8a5 1921EXTERN_C long double modfl(long double, long double *);
51997bc3 1922# endif
03476e8e
JH		 1923# else
1924# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1925 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1926# define Perl_modf(x,y) Perl_my_modfl(x,y)
1927# endif
a3540c92
JH		 1928# endif
1929# ifdef HAS_FREXPL
dff3e0b8 1930# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1931# else
1932# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1933 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1934# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1935# endif
a3540c92 1936# endif
38dbb4c5 1937# ifndef Perl_isnan
758a5d79
JH		 1938# ifdef HAS_ISNANL
1939# define Perl_isnan(x) isnanl(x)
1940# endif
1941# endif
1942# ifndef Perl_isinf
1943# ifdef HAS_FINITEL
1944# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1945# endif
1946# endif
65202027 1947#else
2d4389e4 1948# define NV_DIG DBL_DIG
d6c14000
JH		 1949# ifdef DBL_MANT_DIG
1950# define NV_MANT_DIG DBL_MANT_DIG
1951# endif
06fc1729
JH		 1952# ifdef DBL_MIN
1953# define NV_MIN DBL_MIN
1954# endif
1955# ifdef DBL_MAX
1956# define NV_MAX DBL_MAX
1957# endif
1958# ifdef DBL_MIN_10_EXP
1959# define NV_MIN_10_EXP DBL_MIN_10_EXP
1960# endif
1961# ifdef DBL_MAX_10_EXP
1962# define NV_MAX_10_EXP DBL_MAX_10_EXP
1963# endif
1964# ifdef DBL_EPSILON
1965# define NV_EPSILON DBL_EPSILON
1966# endif
205f51d8 1967# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1968# define NV_MAX DBL_MAX
1969# define NV_MIN DBL_MIN
1970# else
1971# ifdef HUGE_VAL
1972# define NV_MAX HUGE_VAL
1973# endif
1974# endif
65202027
DS		 1975# define Perl_cos cos
1976# define Perl_sin sin
1977# define Perl_sqrt sqrt
1978# define Perl_exp exp
1979# define Perl_log log
1980# define Perl_atan2 atan2
1981# define Perl_pow pow
1982# define Perl_floor floor
1bbae031 1983# define Perl_ceil ceil
65202027 1984# define Perl_fmod fmod
a3540c92 1985# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1986# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1987#endif
1988
1989/* rumor has it that Win32 has _fpclass() */
1990
205f51d8
AS		 1991/* SGI has fpclassl... but not with the same result values,
1992 * and it's via a typedef (not via #define), so will need to redo Configure
1993 * to use. Not worth the trouble, IMO, at least until the below is used
1994 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1995 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1996 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1997
758a5d79
JH		 1998#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1999# ifdef I_IEEFP
2000# include <ieeefp.h>
2001# endif
2002# ifdef I_FP
2003# include <fp.h>
2004# endif
2005# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2006# define Perl_fp_class() fpclassl(x)
2007# else
2008# define Perl_fp_class() fpclass(x)
2009# endif
2010# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2011# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2012# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2013# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2014# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2015# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2016# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2017# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2018# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2019# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2020# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2021# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2022# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2023# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2024# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2025#endif
2026
7114a2d2 2027#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2028# include <math.h>
2029# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2030# include <fp_class.h>
2031# endif
2032# define Perl_fp_class(x) fp_class(x)
2033# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2034# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2035# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2036# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2037# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2038# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2039# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2040# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2041# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2042# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2043# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2044# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2045# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2046# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2047# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2048#endif
2049
2050#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2051# include <math.h>
2052# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2053# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2054# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2055# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2056# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2057# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2058#endif
2059
2060#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2061# include <math.h>
2062# ifndef _cplusplus
2063# define Perl_fp_class(x) class(x)
2064# else
2065# define Perl_fp_class(x) _class(x)
2066# endif
2067# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2068# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2069# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2070# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2071# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2072# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2073# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2074# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2075# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2076# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2077# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2078# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2079# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2080# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2081# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2082#endif
2083
2084/* rumor has it that Win32 has _isnan() */
2085
2086#ifndef Perl_isnan
a3540c92 2087# ifdef HAS_ISNAN
758a5d79
JH		 2088# define Perl_isnan(x) isnan((NV)x)
2089# else
2090# ifdef Perl_fp_class_nan
2091# define Perl_isnan(x) Perl_fp_class_nan(x)
2092# else
2093# ifdef HAS_UNORDERED
2094# define Perl_isnan(x) unordered((x), 0.0)
2095# else
2096# define Perl_isnan(x) ((x)!=(x))
2097# endif
2098# endif
2099# endif
2100#endif
2101
ca6c63e1
JH		 2102#ifdef UNDER_CE
2103int isnan(double d);
2104#endif
2105
758a5d79
JH		 2106#ifndef Perl_isinf
2107# ifdef HAS_ISINF
2108# define Perl_isinf(x) isinf((NV)x)
a3540c92 2109# else
758a5d79
JH		 2110# ifdef Perl_fp_class_inf
2111# define Perl_isinf(x) Perl_fp_class_inf(x)
2112# else
2113# define Perl_isinf(x) ((x)==NV_INF)
2114# endif
2115# endif
2116#endif
2117
2118#ifndef Perl_isfinite
2119# ifdef HAS_FINITE
2120# define Perl_isfinite(x) finite((NV)x)
2121# else
2122# ifdef HAS_ISFINITE
2123# define Perl_isfinite(x) isfinite(x)
2124# else
2125# ifdef Perl_fp_class_finite
2126# define Perl_isfinite(x) Perl_fp_class_finite(x)
2127# else
2128# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2129# endif
2130# endif
a3540c92 2131# endif
65202027
DS		 2132#endif
2133
a36244b7
JH		 2134/* The default is to use Perl's own atof() implementation (in numeric.c).
2135 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2136 * it is however best to use the native implementation of atof.
2137 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2138 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2139 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2140 * you may need to be using a different function than atof! */
a36244b7
JH		 2141
2142#ifndef USE_PERL_ATOF
2143# ifndef _UNICOS
2144# define USE_PERL_ATOF
2145# endif
2146#else
2147# if USE_PERL_ATOF == 0
2148# undef USE_PERL_ATOF
2149# endif
2150#endif
2151
2152#ifdef USE_PERL_ATOF
2153# define Perl_atof(s) Perl_my_atof(s)
2154# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2155#else
2156# define Perl_atof(s) (NV)atof(s)
2157# define Perl_atof2(s, n) ((n) = atof(s))
2158#endif
cf2093f6 2159
d460ef45 2160/* Previously these definitions used hardcoded figures.
760ac839
LW		 2161 * It is hoped these formula are more portable, although
2162 * no data one way or another is presently known to me.
2163 * The "PERL_" names are used because these calculated constants
2164 * do not meet the ANSI requirements for LONG_MAX, etc., which
2165 * need to be constants acceptable to #if - kja
2166 * define PERL_LONG_MAX 2147483647L
2167 * define PERL_LONG_MIN (-LONG_MAX - 1)
2168 * define PERL ULONG_MAX 4294967295L
2169 */
2170
2171#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2172# include <limits.h>
760ac839 2173#endif
205f51d8
AS		 2174/* Included values.h above if necessary; still including limits.h down here,
2175 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2176
99abf803 2177/*
2178 * Try to figure out max and min values for the integral types. THE CORRECT
2179 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2180 * following hacks are used if neither limits.h or values.h provide them:
2181 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2182 * for types < int: (unsigned TYPE)~(unsigned)0
2183 * The argument to ~ must be unsigned so that later signed->unsigned
2184 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2185 * and it must not be smaller than int because ~ does integral promotion.
2186 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2187 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2188 * The latter is a hack which happens to work on some machines but
2189 * does *not* catch any random system, or things like integer types
2190 * with NaN if that is possible.
2191 *
2192 * All of the types are explicitly cast to prevent accidental loss of
2193 * numeric range, and in the hope that they will be less likely to confuse
2194 * over-eager optimizers.
2195 *
2196 */
27d4fb96 2197
99abf803 2198#define PERL_UCHAR_MIN ((unsigned char)0)
2199
2200#ifdef UCHAR_MAX
2201# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2202#else
99abf803 2203# ifdef MAXUCHAR
2204# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2205# else
99abf803 2206# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2207# endif
2208#endif
d460ef45 2209
99abf803 2210/*
2211 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2212 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2213 * depending on local options. Until Configure detects this (or at least
2214 * detects whether the "signed" keyword is available) the CHAR ranges
2215 * will not be included. UCHAR functions normally.
2216 * - kja
2217 */
27d4fb96 2218
99abf803 2219#define PERL_USHORT_MIN ((unsigned short)0)
2220
2221#ifdef USHORT_MAX
2222# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2223#else
99abf803 2224# ifdef MAXUSHORT
2225# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2226# else
ef2f54b0
CB		 2227# ifdef USHRT_MAX
2228# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2229# else
2230# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2231# endif
27d4fb96 2232# endif
2233#endif
2234
27d4fb96 2235#ifdef SHORT_MAX
99abf803 2236# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2237#else
2238# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2239# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2240# else
ef2f54b0
CB		 2241# ifdef SHRT_MAX
2242# define PERL_SHORT_MAX ((short)SHRT_MAX)
2243# else
2244# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2245# endif
27d4fb96 2246# endif
2247#endif
2248
2249#ifdef SHORT_MIN
99abf803 2250# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2251#else
2252# ifdef MINSHORT
99abf803 2253# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2254# else
ef2f54b0
CB		 2255# ifdef SHRT_MIN
2256# define PERL_SHORT_MIN ((short)SHRT_MIN)
2257# else
2258# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2259# endif
27d4fb96 2260# endif
2261#endif
2262
99abf803 2263#ifdef UINT_MAX
2264# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2265#else
99abf803 2266# ifdef MAXUINT
2267# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2268# else
99abf803 2269# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2270# endif
2271#endif
2272
99abf803 2273#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2274
2275#ifdef INT_MAX
99abf803 2276# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2277#else
2278# ifdef MAXINT /* Often used in <values.h> */
99abf803 2279# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2280# else
99abf803 2281# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2282# endif
2283#endif
2284
2285#ifdef INT_MIN
99abf803 2286# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2287#else
2288# ifdef MININT
99abf803 2289# define PERL_INT_MIN ((int)MININT)
27d4fb96 2290# else
2291# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2292# endif
2293#endif
2294
99abf803 2295#ifdef ULONG_MAX
2296# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2297#else
99abf803 2298# ifdef MAXULONG
2299# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2300# else
99abf803 2301# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2302# endif
2303#endif
2304
99abf803 2305#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2306
760ac839 2307#ifdef LONG_MAX
99abf803 2308# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2309#else
2310# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2311# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2312# else
99abf803 2313# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2314# endif
2315#endif
2316
2317#ifdef LONG_MIN
99abf803 2318# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2319#else
2320# ifdef MINLONG
99abf803 2321# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2322# else
27d4fb96 2323# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2324# endif
2325#endif
2326
d7d93a81 2327#ifdef UV_IS_QUAD
99abf803 2328
99abf803 2329# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2330# define PERL_UQUAD_MIN ((UV)0)
99abf803 2331# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2332# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2333
79072805
LW		 2334#endif
2335
22f7c9c9
JH		 2336#ifdef MYMALLOC
2337# include "malloc_ctl.h"
2338#endif
2339
830247a4 2340struct RExC_state_t;
8e11feef 2341struct _reg_trie_data;
880b20b6 2342
ee0007ab 2343typedef MEM_SIZE STRLEN;
450a55e4 2344
598921a7
NC		 2345#ifdef PERL_MAD
2346typedef struct token TOKEN;
2347typedef struct madprop MADPROP;
2348typedef struct nexttoken NEXTTOKE;
2349#endif
79072805
LW		 2350typedef struct op OP;
2351typedef struct cop COP;
2352typedef struct unop UNOP;
2353typedef struct binop BINOP;
2354typedef struct listop LISTOP;
2355typedef struct logop LOGOP;
79072805
LW		 2356typedef struct pmop PMOP;
2357typedef struct svop SVOP;
7934575e 2358typedef struct padop PADOP;
79072805 2359typedef struct pvop PVOP;
79072805
LW		 2360typedef struct loop LOOP;
2361
cd1541b2
NC		 2362typedef struct interpreter PerlInterpreter;
2363
d2b3f365
SS		 2364/* Amdahl's <ksync.h> has struct sv */
2365/* SGI's <sys/sema.h> has struct sv */
2366#if defined(UTS) || defined(__sgi)
2367# define STRUCT_SV perl_sv
b8d3c5db
JH		 2368#else
2369# define STRUCT_SV sv
2370#endif
2371typedef struct STRUCT_SV SV;
79072805
LW		 2372typedef struct av AV;
2373typedef struct hv HV;
2374typedef struct cv CV;
288b8c02 2375typedef struct regexp ORANGE; /* This is the body structure. */
d2f13c59 2376typedef struct p5rx REGEXP;
79072805 2377typedef struct gp GP;
0c30d9ec 2378typedef struct gv GV;
8990e307 2379typedef struct io IO;
c09156bb 2380typedef struct context PERL_CONTEXT;
79072805
LW		 2381typedef struct block BLOCK;
2382
2383typedef struct magic MAGIC;
2384typedef struct xpv XPV;
2385typedef struct xpviv XPVIV;
ff68c719 2386typedef struct xpvuv XPVUV;
79072805
LW		 2387typedef struct xpvnv XPVNV;
2388typedef struct xpvmg XPVMG;
2389typedef struct xpvlv XPVLV;
2390typedef struct xpvav XPVAV;
2391typedef struct xpvhv XPVHV;
2392typedef struct xpvgv XPVGV;
2393typedef struct xpvcv XPVCV;
2394typedef struct xpvbm XPVBM;
2395typedef struct xpvfm XPVFM;
8990e307 2396typedef struct xpvio XPVIO;
79072805
LW		 2397typedef struct mgvtbl MGVTBL;
2398typedef union any ANY;
5f7fde29
GS		 2399typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2400typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2401typedef struct clone_params CLONE_PARAMS;
2402
378cc40b 2403#include "handy.h"
a0d0e21e 2404
6b8eaf93 2405#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2406# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2407# define USE_64_BIT_RAWIO /* implicit */
2408# endif
4564133c
JH		 2409#endif
2410
6b8eaf93
JH		 2411/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2412 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2413 * however, because operating systems like to do that themself. */
2414#ifndef FSEEKSIZE
2415# ifdef HAS_FSEEKO
2416# define FSEEKSIZE LSEEKSIZE
2417# else
2418# define FSEEKSIZE LONGSIZE
d460ef45 2419# endif
6b8eaf93
JH		 2420#endif
2421
2422#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2423# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2424# define USE_64_BIT_STDIO /* implicit */
2425# endif
2426#endif
4564133c 2427
09458382 2428#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2429# ifdef HAS_OFF64_T
2430# undef Off_t
2431# define Off_t off64_t
2432# undef LSEEKSIZE
2433# define LSEEKSIZE 8
5ff3f7a4 2434# endif
d9b3e12d
JH		 2435/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2436 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2437 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2438# if defined(USE_OPEN64)
2439# define open open64
5ff3f7a4 2440# endif
d9b3e12d
JH		 2441# if defined(USE_LSEEK64)
2442# define lseek lseek64
6b8eaf93
JH		 2443# else
2444# if defined(USE_LLSEEK)
2445# define lseek llseek
2446# endif
d9b3e12d
JH		 2447# endif
2448# if defined(USE_STAT64)
2449# define stat stat64
2450# endif
2451# if defined(USE_FSTAT64)
2452# define fstat fstat64
2453# endif
2454# if defined(USE_LSTAT64)
2455# define lstat lstat64
2456# endif
2457# if defined(USE_FLOCK64)
2458# define flock flock64
2459# endif
2460# if defined(USE_LOCKF64)
2461# define lockf lockf64
2462# endif
2463# if defined(USE_FCNTL64)
2464# define fcntl fcntl64
2465# endif
2466# if defined(USE_TRUNCATE64)
2467# define truncate truncate64
2468# endif
2469# if defined(USE_FTRUNCATE64)
2470# define ftruncate ftruncate64
2471# endif
2472#endif
2473
2474#ifdef USE_64_BIT_STDIO
2475# ifdef HAS_FPOS64_T
2476# undef Fpos_t
2477# define Fpos_t fpos64_t
2478# endif
2479/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2480 * will trigger defines like the ones below. Some 64-bit environments,
2481 * however, do not. */
2482# if defined(USE_FOPEN64)
2483# define fopen fopen64
2484# endif
2485# if defined(USE_FSEEK64)
6b8eaf93 2486# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2487# endif
2488# if defined(USE_FTELL64)
6b8eaf93 2489# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2490# endif
2491# if defined(USE_FSETPOS64)
2492# define fsetpos fsetpos64
2493# endif
2494# if defined(USE_FGETPOS64)
2495# define fgetpos fgetpos64
2496# endif
2497# if defined(USE_TMPFILE64)
2498# define tmpfile tmpfile64
2499# endif
2500# if defined(USE_FREOPEN64)
2501# define freopen freopen64
5ff3f7a4
GS		 2502# endif
2503#endif
2504
af8b425d 2505#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2506# include "iperlsys.h"
2507#endif
2508
6f71a643 2509#if defined(__OPEN_VM)
19848b3f
JH		 2510# include "vmesa/vmesaish.h"
2511# define ISHISH "vmesa"
6f71a643
JH		 2512#endif
2513
748a9306 2514#ifdef DOSISH
19848b3f
JH		 2515# if defined(OS2)
2516# include "os2ish.h"
2517# else
2518# include "dosish.h"
2519# endif
2520# define ISHISH "dos"
2521#endif
2522
2523#if defined(VMS)
748a9306 2524# include "vmsish.h"
96e176bf 2525# include "embed.h"
eb8433b7
NC		 2526# ifndef PERL_MAD
2527# undef op_getmad
b3f24c00 2528# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2529# endif
19848b3f
JH		 2530# define ISHISH "vms"
2531#endif
2532
2533#if defined(PLAN9)
2534# include "./plan9/plan9ish.h"
2535# define ISHISH "plan9"
2536#endif
2537
2538#if defined(MPE)
2539# include "mpeix/mpeixish.h"
2540# define ISHISH "mpeix"
2541#endif
2542
2543#if defined(__VOS__)
196918b0
PG		 2544# ifdef __GNUC__
2545# include "./vos/vosish.h"
2546# else
2547# include "vos/vosish.h"
2548# endif
19848b3f
JH		 2549# define ISHISH "vos"
2550#endif
2551
2552#if defined(EPOC)
2553# include "epocish.h"
2554# define ISHISH "epoc"
2555#endif
2556
9969cdde 2557#ifdef __SYMBIAN32__
27da23d5
JH		 2558# include "symbian/symbianish.h"
2559# include "embed.h"
eb8433b7
NC		 2560# ifndef PERL_MAD
2561# undef op_getmad
b3f24c00 2562# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2563# endif
27da23d5
JH		 2564# define ISHISH "symbian"
2565#endif
2566
19848b3f
JH		 2567#if defined(MACOS_TRADITIONAL)
2568# include "macos/macish.h"
2569# ifndef NO_ENVIRON_ARRAY
2570# define NO_ENVIRON_ARRAY
0c30d9ec 2571# endif
19848b3f
JH		 2572# define ISHISH "macos classic"
2573#endif
2574
df00ff3b
IW		 2575#if defined(__HAIKU__)
2576# include "haiku/haikuish.h"
2577# define ISHISH "haiku"
2578#elif defined(__BEOS__)
efca5cc6
JH		 2579# include "beos/beosish.h"
2580# define ISHISH "beos"
2581#endif
2582
19848b3f
JH		 2583#ifndef ISHISH
2584# include "unixish.h"
2585# define ISHISH "unix"
13b6e58c
JH		 2586#endif
2587
2946a158
JH		 2588/* NSIG logic from Configure --> */
2589/* Strange style to avoid deeply-nested #if/#else/#endif */
2590#ifndef NSIG
2591# ifdef _NSIG
2592# define NSIG (_NSIG)
2593# endif
2594#endif
2595
2596#ifndef NSIG
2597# ifdef SIGMAX
2598# define NSIG (SIGMAX+1)
2599# endif
2600#endif
2601
2602#ifndef NSIG
2603# ifdef SIG_MAX
2604# define NSIG (SIG_MAX+1)
2605# endif
2606#endif
2607
2608#ifndef NSIG
2609# ifdef _SIG_MAX
2610# define NSIG (_SIG_MAX+1)
2611# endif
2612#endif
2613
2614#ifndef NSIG
2615# ifdef MAXSIG
2616# define NSIG (MAXSIG+1)
2617# endif
2618#endif
2619
2620#ifndef NSIG
2621# ifdef MAX_SIG
2622# define NSIG (MAX_SIG+1)
2623# endif
2624#endif
2625
2626#ifndef NSIG
2627# ifdef SIGARRAYSIZE
2628# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2629# endif
2630#endif
2631
2632#ifndef NSIG
2633# ifdef _sys_nsig
2634# define NSIG (_sys_nsig) /* Solaris 2.5 */
2635# endif
2636#endif
2637
2638/* Default to some arbitrary number that's big enough to get most
2639 of the common signals.
2640*/
2641#ifndef NSIG
2642# define NSIG 50
2643#endif
2644/* <-- NSIG logic from Configure */
2645
13b6e58c
JH		 2646#ifndef NO_ENVIRON_ARRAY
2647# define USE_ENVIRON_ARRAY
2648#endif
32f822de 2649
c77b533b
JH		 2650/*
2651 * initialise to avoid floating-point exceptions from overflow, etc
2652 */
2653#ifndef PERL_FPU_INIT
2654# ifdef HAS_FPSETMASK
2655# if HAS_FLOATINGPOINT_H
2656# include <floatingpoint.h>
2657# endif
ad3a8c67
NC		 2658/* Some operating systems have this as a macro, which in turn expands to a comma
2659 expression, and the last sub-expression is something that gets calculated,
2660 and then they have the gall to warn that a value computed is not used. Hence
2661 cast to void. */
2662# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2663# else
2f42fcb0 2664# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2665# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2666# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2667# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2668# else
2669# define PERL_FPU_INIT
2f42fcb0 2670
7014c407 2671# endif
c77b533b
JH		 2672# endif
2673#endif
b35112e7
CS		 2674#ifndef PERL_FPU_PRE_EXEC
2675# define PERL_FPU_PRE_EXEC {
2676# define PERL_FPU_POST_EXEC }
2677#endif
c77b533b 2678
cbec8ebe
DM		 2679#ifndef PERL_SYS_INIT3_BODY
2680# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2681#endif
2682
cbec8ebe
DM		 2683#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2684#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2685#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2686
be708cc0
JH		 2687#ifndef PERL_WRITE_MSG_TO_CONSOLE
2688# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2689#endif
2690
0f31cffe
GS		 2691#ifndef MAXPATHLEN
2692# ifdef PATH_MAX
b990c8b2
JH		 2693# ifdef _POSIX_PATH_MAX
2694# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2695/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2696 * included the null byte or not. Later amendments of POSIX,
2697 * XPG4, the Austin Group, and the Single UNIX Specification
2698 * all explicitly include the null byte in the PATH_MAX.
2699 * Ditto for _POSIX_PATH_MAX. */
2700# define MAXPATHLEN PATH_MAX
b990c8b2 2701# else
09448d78 2702# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2703# endif
2704# else
2705# define MAXPATHLEN (PATH_MAX+1)
2706# endif
0f31cffe 2707# else
b990c8b2 2708# ifdef _POSIX_PATH_MAX
09448d78 2709# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2710# else
2711# define MAXPATHLEN 1024 /* Err on the large side. */
2712# endif
0f31cffe
GS		 2713# endif
2714#endif
2715
c80263a8
SH		 2716/* In case Configure was not used (we are using a "canned config"
2717 * such as Win32, or a cross-compilation setup, for example) try going
2718 * by the gcc major and minor versions. One useful URL is
2719 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2720 * but contrary to this information warn_unused_result seems
2721 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2722 * Also, when building extensions with an installed perl, this allows
2723 * the user to upgrade gcc and get the right attributes, rather than
2724 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2725 * Set these up now otherwise we get confused when some of the <*thread.h>
2726 * includes below indirectly pull in <perlio.h> (which needs to know if we
2727 * have HASATTRIBUTE_FORMAT).
2728 */
2729
4d7c7898 2730#ifndef PERL_MICRO
fc2007d4 2731#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2732# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2733# define HASATTRIBUTE_DEPRECATED
2734# endif
c80263a8
SH		 2735# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2736# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2737# if defined __MINGW32__
2738# define PRINTF_FORMAT_NULL_OK
2739# endif
c80263a8
SH		 2740# endif
2741# if __GNUC__ >= 3 /* 3.0 -> */
2742# define HASATTRIBUTE_MALLOC
2743# endif
2744# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2745# define HASATTRIBUTE_NONNULL
2746# endif
2747# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2748# define HASATTRIBUTE_NORETURN
2749# endif
2750# if __GNUC__ >= 3 /* gcc 3.0 -> */
2751# define HASATTRIBUTE_PURE
2752# endif
42bf5550 2753# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2754# define HASATTRIBUTE_UNUSED
2755# endif
d324fe49
AD		 2756# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2757# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2758# endif
c80263a8
SH		 2759# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2760# define HASATTRIBUTE_WARN_UNUSED_RESULT
2761# endif
2762#endif
4d7c7898 2763#endif /* #ifndef PERL_MICRO */
c80263a8 2764
3db8f154 2765/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2766 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2767 * this results in many functions being undeclared which bothers C++
2768 * May make sense to have threads after "*ish.h" anyway
2769 */
2770
3db8f154 2771#if defined(USE_ITHREADS)
2986a63f
JH		 2772# ifdef NETWARE
2773# include <nw5thread.h>
2774# else
32f822de
GS		 2775# ifdef FAKE_THREADS
2776# include "fakethr.h"
2777# else
2778# ifdef WIN32
2779# include <win32thread.h>
2780# else
dd96f567
IZ		 2781# ifdef OS2
2782# include "os2thread.h"
2783# else
7f3d1cf1 2784# ifdef I_MACH_CTHREADS
bdd66968 2785# include <mach/cthreads.h>
8f1f23e8 2786# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2787# define MUTEX_INIT_CALLS_MALLOC
2788# endif
7f3d1cf1
BH		 2789typedef cthread_t perl_os_thread;
2790typedef mutex_t perl_mutex;
2791typedef condition_t perl_cond;
2792typedef void * perl_key;
2793# else /* Posix threads */
1f5ae88c
JH		 2794# ifdef I_PTHREAD
2795# include <pthread.h>
2796# endif
7f3d1cf1
BH		 2797typedef pthread_t perl_os_thread;
2798typedef pthread_mutex_t perl_mutex;
2799typedef pthread_cond_t perl_cond;
2800typedef pthread_key_t perl_key;
2801# endif /* I_MACH_CTHREADS */
dd96f567 2802# endif /* OS2 */
32f822de
GS		 2803# endif /* WIN32 */
2804# endif /* FAKE_THREADS */
2986a63f 2805#endif /* NETWARE */
3db8f154 2806#endif /* USE_ITHREADS */
c5be433b 2807
66a93824 2808#if defined(WIN32)
1feb2720 2809# include "win32.h"
c5be433b
GS		 2810#endif
2811
2986a63f
JH		 2812#ifdef NETWARE
2813# include "netware.h"
2814#endif
2815
e5218da5 2816#define STATUS_UNIX PL_statusvalue
68dc0745 2817#ifdef VMS
6b88bc9c 2818# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2819/*
2820 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2821 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2822 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2823 * be updated also.
2824 */
2825# include <stsdef.h>
2826# include <ssdef.h>
2827/* Presume this because if VMS changes it, it will require a new
2828 * set of APIs for waiting on children for binary compatibility.
2829 */
2830# define child_offset_bits (8)
2831# ifndef C_FAC_POSIX
2832# define C_FAC_POSIX 0x35A000
2833# endif
2834
2835/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2836 * platform from the existing UNIX or Native status values.
2837 */
2838
37038d91 2839# define STATUS_EXIT \
7a7fd8e0
JM		 2840 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2841 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2842
7a7fd8e0 2843
fb38d079
JM		 2844/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2845 * exit code and shifts the UNIX value over the correct number of bits to
2846 * be a child status. Usually the number of bits is 8, but that could be
2847 * platform dependent. The NATIVE status code is presumed to have either
2848 * from a child process.
7a7fd8e0
JM		 2849 */
2850
fb38d079
JM		 2851/* This is complicated. The child processes return a true native VMS
2852 status which must be saved. But there is an assumption in Perl that
2853 the UNIX child status has some relationship to errno values, so
2854 Perl tries to translate it to text in some of the tests.
2855 In order to get the string translation correct, for the error, errno
2856 must be EVMSERR, but that generates a different text message
2857 than what the test programs are expecting. So an errno value must
2858 be derived from the native status value when an error occurs.
2859 That will hide the true native status message. With this version of
2860 perl, the true native child status can always be retrieved so that
2861 is not a problem. But in this case, Pl_statusvalue and errno may
2862 have different values in them.
2863 */
7a7fd8e0 2864
fb38d079 2865# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2866 STMT_START { \
2fbb330f
JM		 2867 I32 evalue = (I32)n; \
2868 if (evalue == EVMSERR) { \
2869 PL_statusvalue_vms = vaxc$errno; \
2870 PL_statusvalue = evalue; \
7a7fd8e0 2871 } else { \
2fbb330f 2872 PL_statusvalue_vms = evalue; \
fb38d079 2873 if (evalue == -1) { \
3280af22 2874 PL_statusvalue = -1; \
7a7fd8e0
JM		 2875 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2876 } else \
fb38d079 2877 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2878 set_vaxc_errno(evalue); \
fb38d079
JM		 2879 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2880 set_errno(EVMSERR); \
2881 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2882 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2883 } \
68dc0745 2884 } STMT_END
7a7fd8e0 2885
68dc0745 2886# ifdef VMSISH_STATUS
e5218da5 2887# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2888# else
e5218da5 2889# define STATUS_CURRENT STATUS_UNIX
68dc0745 2890# endif
7a7fd8e0
JM		 2891
2892 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2893 * the NATIVE status to an equivalent value. Can not be used to translate
2894 * exit code values as exit code values are not guaranteed to have any
2895 * relationship at all to errno values.
2896 * This is used when Perl is forcing errno to have a specific value.
2897 */
e5218da5 2898# define STATUS_UNIX_SET(n) \
68dc0745 2899 STMT_START { \
7a7fd8e0 2900 I32 evalue = (I32)n; \
0968cdad 2901 PL_statusvalue = evalue; \
3280af22 2902 if (PL_statusvalue != -1) { \
0968cdad
JM		 2903 if (PL_statusvalue != EVMSERR) { \
2904 PL_statusvalue &= 0xFFFF; \
2905 if (MY_POSIX_EXIT) \
2906 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2907 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2908 } \
2909 else { \
2910 PL_statusvalue_vms = vaxc$errno; \
2911 } \
68dc0745 2912 } \
0968cdad
JM		 2913 else PL_statusvalue_vms = SS$_ABORT; \
2914 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2915 } STMT_END
2916
2917 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 2918 * the NATIVE error status based on it.
2919 *
2920 * When in the default mode to comply with the Perl VMS documentation,
2921 * 0 is a success and any other code sets the NATIVE status to a failure
2922 * code of SS$_ABORT.
fb38d079
JM		 2923 *
2924 * In the new POSIX EXIT mode, native status will be set so that the
2925 * actual exit code will can be retrieved by the calling program or
2926 * shell.
2927 *
2928 * If the exit code is not clearly a UNIX parent or child exit status,
2929 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2930 */
2931
fb38d079 2932# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2933 STMT_START { \
2934 I32 evalue = (I32)n; \
2935 PL_statusvalue = evalue; \
e08e1e1d
JM		 2936 if (MY_POSIX_EXIT) { \
2937 if (evalue <= 0xFF00) { \
2938 if (evalue > 0xFF) \
2939 evalue = (evalue >> child_offset_bits) & 0xFF; \
2940 PL_statusvalue_vms = \
2941 (C_FAC_POSIX | (evalue << 3 ) | \
2942 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
2943 } else /* forgive them Perl, for they have sinned */ \
2944 PL_statusvalue_vms = evalue; \
2945 } else { \
2946 if (evalue == 0) \
2947 PL_statusvalue_vms = SS$_NORMAL; \
2948 else if (evalue <= 0xFF00) \
2949 PL_statusvalue_vms = SS$_ABORT; \
2950 else { /* forgive them Perl, for they have sinned */ \
2951 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2952 else PL_statusvalue_vms = vaxc$errno; \
2953 /* And obviously used a VMS status value instead of UNIX */ \
2954 PL_statusvalue = EVMSERR; \
2955 } \
2956 set_vaxc_errno(PL_statusvalue_vms); \
2957 } \
68dc0745 2958 } STMT_END
fb38d079 2959
e08e1e1d 2960
6ac6a52b
JM		 2961 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2962 * and sets the NATIVE error status based on it. This special case
2963 * is needed to maintain compatibility with past VMS behavior.
2964 *
2965 * In the default mode on VMS, this number is passed through as
2966 * both the NATIVE and UNIX status. Which makes it different
2967 * that the STATUS_UNIX_EXIT_SET.
2968 *
2969 * In the new POSIX EXIT mode, native status will be set so that the
2970 * actual exit code will can be retrieved by the calling program or
2971 * shell.
2972 *
1a3aec58
JM		 2973 * A POSIX exit code is from 0 to 255. If the exit code is higher
2974 * than this, it needs to be assumed that it is a VMS exit code and
2975 * passed through.
6ac6a52b
JM		 2976 */
2977
2978# define STATUS_EXIT_SET(n) \
2979 STMT_START { \
2980 I32 evalue = (I32)n; \
2981 PL_statusvalue = evalue; \
2982 if (MY_POSIX_EXIT) \
1a3aec58
JM		 2983 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
2984 PL_statusvalue_vms = \
2985 (C_FAC_POSIX | (evalue << 3 ) | \
2986 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 2987 else \
2988 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2989 set_vaxc_errno(PL_statusvalue_vms); \
2990 } STMT_END
2991
fb38d079
JM		 2992
2993 /* This macro forces a success status */
7a7fd8e0
JM		 2994# define STATUS_ALL_SUCCESS \
2995 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 2996
2997 /* This macro forces a failure status */
7a7fd8e0
JM		 2998# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2999 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3000 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3001
68dc0745 3002#else
e5218da5 3003# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3004# if defined(WCOREDUMP)
37038d91 3005# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3006 STMT_START { \
3007 PL_statusvalue_posix = (n); \
3008 if (PL_statusvalue_posix == -1) \
3009 PL_statusvalue = -1; \
3010 else { \
3011 PL_statusvalue = \
3012 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3013 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3014 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3015 } \
3016 } STMT_END
3017# elif defined(WIFEXITED)
37038d91 3018# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3019 STMT_START { \
3020 PL_statusvalue_posix = (n); \
3021 if (PL_statusvalue_posix == -1) \
3022 PL_statusvalue = -1; \
3023 else { \
3024 PL_statusvalue = \
3025 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3026 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3027 } \
3028 } STMT_END
3029# else
37038d91 3030# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3031 STMT_START { \
3032 PL_statusvalue_posix = (n); \
3033 if (PL_statusvalue_posix == -1) \
3034 PL_statusvalue = -1; \
3035 else { \
3036 PL_statusvalue = \
3037 PL_statusvalue_posix & 0xFFFF; \
3038 } \
3039 } STMT_END
3040# endif
3041# define STATUS_UNIX_SET(n) \
68dc0745 3042 STMT_START { \
3280af22
NIS		 3043 PL_statusvalue = (n); \
3044 if (PL_statusvalue != -1) \
3045 PL_statusvalue &= 0xFFFF; \
68dc0745 3046 } STMT_END
7a7fd8e0 3047# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3048# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3049# define STATUS_CURRENT STATUS_UNIX
37038d91 3050# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3051# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3052# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3053#endif
3054
cc3604b1
GS		 3055/* flags in PL_exit_flags for nature of exit() */
3056#define PERL_EXIT_EXPECTED 0x01
31d77e54 3057#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3058
0b94c7bb 3059#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 3060# define MEMBER_TO_FPTR(name) name
3061#endif
3062
3063/* format to use for version numbers in file/directory names */
273cf8d1 3064/* XXX move to Configure? */
a7cb1f99 3065#ifndef PERL_FS_VER_FMT
273cf8d1 3066# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 3067#endif
3068
45bc9206 3069/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3070 * performance issue, so we allow people to disable it. Also, if
3071 * we are using stdio, there are broken implementations of fflush(NULL)
3072 * out there, Solaris being the most prominent.
45bc9206
GS		 3073 */
3074#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3075# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3076# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3077# else
3078# ifdef FFLUSH_ALL
3079# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3080# else
c5be433b 3081# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3082# endif
66fe083f 3083# endif
45bc9206
GS		 3084#endif
3085
7766f137
GS		 3086#ifndef PERL_WAIT_FOR_CHILDREN
3087# define PERL_WAIT_FOR_CHILDREN NOOP
3088#endif
3089
ba869deb 3090/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3091#ifndef PERL_SET_INTERP
3092# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3093#endif
3094
3095#ifndef PERL_GET_INTERP
3096# define PERL_GET_INTERP (PL_curinterp)
3097#endif
3098
54aff467 3099#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3100# ifdef MULTIPLICITY
ba869deb 3101# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3102# endif
ba869deb
GS		 3103# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3104#endif
3105
8896765a
RB		 3106/*
3107 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3108 All that is required is that the perl source does not
8896765a
RB		 3109 use "%-p" or "%-<number>p" or "%<number>p" formats.
3110 These formats will still work in perl code.
3111 See comments in sv.c for futher details.
3112
8896765a 3113 Robin Barker 2005-07-14
f46d31f2
RB		 3114
3115 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3116*/
8896765a
RB		 3117
3118#ifndef SVf_
63ce7bf0 3119# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3120#endif
3121
8896765a 3122#ifndef SVf
104abab4 3123# define SVf "-p"
d2560b70
RB		 3124#endif
3125
014ead4b 3126#ifndef SVf32
8896765a 3127# define SVf32 SVf_(32)
014ead4b
RB		 3128#endif
3129
3130#ifndef SVf256
8896765a
RB		 3131# define SVf256 SVf_(256)
3132#endif
3133
be2597df
MHM		 3134#define SVfARG(p) ((void*)(p))
3135
f46d31f2
RB		 3136#ifdef PERL_CORE
3137/* not used; but needed for backward compatibilty with XS code? - RMB */
3138# undef VDf
3139#else
3140# ifndef VDf
8896765a
RB		 3141# define VDf "vd"
3142# endif
014ead4b 3143#endif
170cd9e9
NC		 3144
3145#ifdef PERL_CORE
f5992bc4 3146/* not used; but needed for backward compatibilty with XS code? - RMB */
7776bb98
RB		 3147# undef UVf
3148#else
170cd9e9
NC		 3149# ifndef UVf
3150# define UVf UVuf
3151# endif
d2560b70
RB		 3152#endif
3153
fcdf39cf
RGS		 3154#ifdef HASATTRIBUTE_DEPRECATED
3155# define __attribute__deprecated__ __attribute__((deprecated))
3156#endif
0dbb1585
AL		 3157#ifdef HASATTRIBUTE_FORMAT
3158# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3159#endif
3160#ifdef HASATTRIBUTE_MALLOC
77785eea 3161# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3162#endif
0dbb1585 3163#ifdef HASATTRIBUTE_NONNULL
abb2c242 3164# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3165#endif
0dbb1585 3166#ifdef HASATTRIBUTE_NORETURN
abb2c242 3167# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3168#endif
0dbb1585 3169#ifdef HASATTRIBUTE_PURE
abb2c242 3170# define __attribute__pure__ __attribute__((pure))
f22be1b8 3171#endif
0dbb1585
AL		 3172#ifdef HASATTRIBUTE_UNUSED
3173# define __attribute__unused__ __attribute__((unused))
3174#endif
3175#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3176# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3177#endif
3178
0dbb1585 3179/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3180#ifndef __attribute__deprecated__
3181# define __attribute__deprecated__
3182#endif
0dbb1585
AL		 3183#ifndef __attribute__format__
3184# define __attribute__format__(x,y,z)
3185#endif
f22be1b8 3186#ifndef __attribute__malloc__
abb2c242 3187# define __attribute__malloc__
f22be1b8
JH		 3188#endif
3189#ifndef __attribute__nonnull__
abb2c242 3190# define __attribute__nonnull__(a)
f22be1b8
JH		 3191#endif
3192#ifndef __attribute__noreturn__
abb2c242 3193# define __attribute__noreturn__
f22be1b8
JH		 3194#endif
3195#ifndef __attribute__pure__
abb2c242 3196# define __attribute__pure__
f22be1b8 3197#endif
0dbb1585
AL		 3198#ifndef __attribute__unused__
3199# define __attribute__unused__
3200#endif
f22be1b8 3201#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3202# define __attribute__warn_unused_result__
3203#endif
3204
0dbb1585
AL		 3205/* For functions that are marked as __attribute__noreturn__, it's not
3206 appropriate to call return. In either case, include the lint directive.
3207 */
3208#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3209# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3210#else
b37c2d43 3211# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH		 3212#endif
3213
cdfeb707
RB		 3214/* Some OS warn on NULL format to printf */
3215#ifdef PRINTF_FORMAT_NULL_OK
3216# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3217#else
3218# define __attribute__format__null_ok__(x,y,z)
3219#endif
3220
635aebb7 3221#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3222# define EXPECT(expr,val) __builtin_expect(expr,val)
3223#else
3224# define EXPECT(expr,val) (expr)
3225#endif
3226#define LIKELY(cond) EXPECT(cond,1)
3227#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3228#ifdef HAS_BUILTIN_CHOOSE_EXPR
3229/* placeholder */
3230#endif
b37c2d43 3231
3fc1aec6 3232/* Some unistd.h's give a prototype for pause() even though
3233 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3234 below to be rejected by the compiler. Sigh.
3fc1aec6 3235*/
3236#ifdef HAS_PAUSE
3237#define Pause pause
3238#else
3239#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3240#endif
3241
3242#ifndef IOCPARM_LEN
3243# ifdef IOCPARM_MASK
61f1c44b 3244 /* on BSDish systems we're safe */
748a9306
LW		 3245# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3246# else
61f1c44b 3247# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3248 /* on Linux systems we're safe; except when we're not [perl #38223] */
3249# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3250# else
748a9306 3251 /* otherwise guess at what's safe */
61f1c44b
JVD		 3252# define IOCPARM_LEN(x) 256
3253# endif
748a9306 3254# endif
a0d0e21e
LW		 3255#endif
3256
1761cee5 3257#if defined(__CYGWIN__)
521e0776
GS		 3258/* USEMYBINMODE
3259 * This symbol, if defined, indicates that the program should
16fe6d59 3260 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3261 * that a file is in "binary" mode -- that is, that no translation
3262 * of bytes occurs on read or write operations.
3263 */
36894f0b 3264# define USEMYBINMODE /**/
77a40698 3265# include <io.h> /* for setmode() prototype */
16fe6d59 3266# define my_binmode(fp, iotype, mode) \
77a40698 3267 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3268#endif
3269
88d10794
JH		 3270#ifdef __CYGWIN__
3271void init_os_extras(void);
3272#endif
3273
cea2e8a9
GS		 3274#ifdef UNION_ANY_DEFINITION
3275UNION_ANY_DEFINITION;
3276#else
3277union any {
3278 void* any_ptr;
3279 I32 any_i32;
3280 IV any_iv;
3281 long any_long;
9febdf04 3282 bool any_bool;
c76ac1ee 3283 void (*any_dptr) (void*);
acfe0abc 3284 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3285};
3286#endif
3287
acfe0abc 3288typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3289
3290#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3291#define FILTER_DATA(idx) \
3292 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3293#define FILTER_ISREADER(idx) \
3294 (PL_parser && PL_parser->rsfp_filters \
3295 && idx >= AvFILLp(PL_parser->rsfp_filters))
3296#define PERL_FILTER_EXISTS(i) \
3297 (PL_parser && PL_parser->rsfp_filters \
3298 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3299
c5078cac
JH		 3300#if defined(_AIX) && !defined(_AIX43)
3301#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3302/* We cannot include <crypt.h> to get the struct crypt_data
3303 * because of setkey prototype problems when threading */
3304typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3305 /* From OSF, Not needed in AIX
3306 char C[28], D[28];
3307 */
3308 char E[48];
3309 char KS[16][48];
3310 char block[66];
3311 char iobuf[16];
3312} CRYPTD;
3313#endif /* threading */
3314#endif /* AIX */
3315
af8b425d 3316#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 3317# include "iperlsys.h"
3318#endif
504f80c1 3319
9c12f1e5
RGS		 3320#ifdef __LIBCATAMOUNT__
3321#undef HAS_PASSWD /* unixish.h but not unixish enough. */
3322#undef HAS_GROUP
3323#define FAKE_BIT_BUCKET
3324#endif
3325
d10dc2ae
JH		 3326/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3327 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3328 * defined by Configure, despite their names being similar to the
3329 * other defines like USE_ITHREADS. Configure in fact knows nothing
3330 * about the randomised hashes. Therefore to enable/disable the hash
3331 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3332#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3333# define USE_HASH_SEED
504f80c1
JH		 3334#endif
3335
598921a7
NC		 3336/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3337 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3338 * it's not really needed.
3339 */
3340#if defined(WIN32)
3341# define YYTOKENTYPE
3342#endif
3343#include "perly.h"
3344
3345#ifdef PERL_MAD
3346struct nexttoken {
3347 YYSTYPE next_val; /* value of next token, if any */
3348 I32 next_type; /* type of next token */
3349 MADPROP *next_mad; /* everything else about that token */
3350};
3351#endif
3352
654eccd5
JD		 3353/* macros to define bit-fields in structs. */
3354#ifndef PERL_BITFIELD8
3355# define PERL_BITFIELD8 unsigned
3356#endif
3357#ifndef PERL_BITFIELD16
3358# define PERL_BITFIELD16 unsigned
3359#endif
3360#ifndef PERL_BITFIELD32
3361# define PERL_BITFIELD32 unsigned
3362#endif
3363
79072805 3364#include "sv.h"
288b8c02 3365#include "regexp.h"
378cc40b 3366#include "util.h"
8d063cd8 3367#include "form.h"
79072805 3368#include "gv.h"
dd2155a4 3369#include "pad.h"
79072805 3370#include "cv.h"
abdd5c84 3371#include "opnames.h"
79072805 3372#include "op.h"
b3ca2e83 3373#include "hv.h"
79072805
LW		 3374#include "cop.h"
3375#include "av.h"
79072805
LW		 3376#include "mg.h"
3377#include "scope.h"
4438c4b7 3378#include "warnings.h"
a0ed51b3 3379#include "utf8.h"
8d063cd8 3380
20f4945e
MHM		 3381/* defined in sv.c, but also used in [ach]v.c */
3382#undef _XPV_ALLOCATED_HEAD
3383#undef _XPV_HEAD
3384#undef _XPVMG_HEAD
3385#undef _XPVCV_COMMON
7fae4e64
GS		 3386
3387typedef struct _sublex_info SUBLEXINFO;
3388struct _sublex_info {
651b5b28
NC		 3389 U8 super_state; /* lexer state to save */
3390 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3391 OP *sub_op; /* "lex_op" to use */
f06b5848
DM		 3392 char *super_bufptr; /* PL_parser->bufptr that was */
3393 char *super_bufend; /* PL_parser->bufend that was */
7fae4e64
GS		 3394};
3395
199e78b7
DM		 3396#include "parser.h"
3397
455ece5e 3398typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3399
2c2d71f5 3400struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3401struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3402
6f51351d
NC		 3403/* Keep next first in this structure, because sv_free_arenas take
3404 advantage of this to share code between the pte arenas and the SV
3405 body arenas */
5f7fde29
GS		 3406struct ptr_tbl_ent {
3407 struct ptr_tbl_ent* next;
53c1dcc0 3408 const void* oldval;
5f7fde29 3409 void* newval;
d18c6117
GS		 3410};
3411
5f7fde29
GS		 3412struct ptr_tbl {
3413 struct ptr_tbl_ent** tbl_ary;
3414 UV tbl_max;
3415 UV tbl_items;
d18c6117
GS		 3416};
3417
450a55e4 3418#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3419# define I286
3420#endif
3421
fe14fcc3
LW		 3422#if defined(htonl) && !defined(HAS_HTONL)
3423#define HAS_HTONL
ae986130 3424#endif
fe14fcc3
LW		 3425#if defined(htons) && !defined(HAS_HTONS)
3426#define HAS_HTONS
ae986130 3427#endif
fe14fcc3
LW		 3428#if defined(ntohl) && !defined(HAS_NTOHL)
3429#define HAS_NTOHL
ae986130 3430#endif
fe14fcc3
LW		 3431#if defined(ntohs) && !defined(HAS_NTOHS)
3432#define HAS_NTOHS
ae986130 3433#endif
fe14fcc3 3434#ifndef HAS_HTONL
d9d8d8de 3435#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3436#define HAS_HTONS
3437#define HAS_HTONL
3438#define HAS_NTOHS
3439#define HAS_NTOHL
a687059c
LW		 3440#define MYSWAP
3441#define htons my_swap
3442#define htonl my_htonl
3443#define ntohs my_swap
3444#define ntohl my_ntohl
3445#endif
3446#else
d9d8d8de 3447#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3448#undef HAS_HTONS
3449#undef HAS_HTONL
3450#undef HAS_NTOHS
3451#undef HAS_NTOHL
a687059c
LW		 3452#endif
3453#endif
3454
988174c1
LW		 3455/*
3456 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3457 * -DWS
3458 */
3459#if BYTEORDER != 0x1234
3460# define HAS_VTOHL
3461# define HAS_VTOHS
3462# define HAS_HTOVL
3463# define HAS_HTOVS
c67712b2 3464# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3465# define vtohl(x) ((((x)&0xFF)<<24) \
3466 +(((x)>>24)&0xFF) \
3467 +(((x)&0x0000FF00)<<8) \
3468 +(((x)&0x00FF0000)>>8) )
3469# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3470# define htovl(x) vtohl(x)
3471# define htovs(x) vtohs(x)
3472# endif
3473 /* otherwise default to functions in util.c */
2a8c3029 3474#ifndef htovs
c623ac67
GS		 3475short htovs(short n);
3476short vtohs(short n);
3477long htovl(long n);
3478long vtohl(long n);
988174c1 3479#endif
2a8c3029 3480#endif
988174c1 3481
3bb7c1b4
JH		 3482/* *MAX Plus 1. A floating point value.
3483 Hopefully expressed in a way that dodgy floating point can't mess up.
3484 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3485 is added to it
3486 May find that some broken compiler will want the value cast to I32.
3487 [after the shift, as signed >> may not be as secure as unsigned >>]
3488*/
3489#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3490#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3491/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3492 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3493 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3494*/
3495#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3496
3bb7c1b4
JH		 3497#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3498#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3499#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3500
3501/* This may look like unnecessary jumping through hoops, but converting
3502 out of range floating point values to integers *is* undefined behaviour,
3503 and it is starting to bite.
3504*/
3505#ifndef CAST_INLINE
65202027 3506#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3507#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3508#define I_V(what) (cast_iv((NV)(what)))
3509#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3510#else
3511#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3512 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3513 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3514#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3515 : ((n) < U32_MAX_P1 ? (U32) (n) \
3516 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3517#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3518 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3519 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3520#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3521 : ((n) < UV_MAX_P1 ? (UV) (n) \
3522 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3523#endif
3524
3525#define U_S(what) ((U16)U_32(what))
3526#define U_I(what) ((unsigned int)U_32(what))
3527#define U_L(what) U_32(what)
ed6116ce 3528
ed140128
AD		 3529#ifdef HAS_SIGNBIT
3530# define Perl_signbit signbit
3531#endif
3532
2d4389e4
JH		 3533/* These do not care about the fractional part, only about the range. */
3534#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3535#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3536
25da4f38
IZ		 3537/* Used with UV/IV arguments: */
3538 /* XXXX: need to speed it up */
3539#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3540#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3541
352d5a3a
LW		 3542#ifndef MAXSYSFD
3543# define MAXSYSFD 2
3544#endif
ee0007ab 3545
79072805 3546#ifndef __cplusplus
27da23d5 3547#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3548Uid_t getuid (void);
3549Uid_t geteuid (void);
3550Gid_t getgid (void);
3551Gid_t getegid (void);
79072805 3552#endif
e1caacb4 3553#endif
8d063cd8 3554
0c30d9ec 3555#ifndef Perl_debug_log
bf49b057
GS		 3556# define Perl_debug_log PerlIO_stderr()
3557#endif
3558
3559#ifndef Perl_error_log
3560# define Perl_error_log (PL_stderrgv \
6b78add2 3561 && isGV(PL_stderrgv) \
01bb7c6d 3562 && GvIOp(PL_stderrgv) \
42de951c 3563 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3564 ? IoOFP(GvIOp(PL_stderrgv)) \
3565 : PerlIO_stderr())
0c30d9ec 3566#endif
3967c732 3567
aea4f609
DM		 3568
3569#define DEBUG_p_FLAG 0x00000001 /* 1 */
3570#define DEBUG_s_FLAG 0x00000002 /* 2 */
3571#define DEBUG_l_FLAG 0x00000004 /* 4 */
3572#define DEBUG_t_FLAG 0x00000008 /* 8 */
3573#define DEBUG_o_FLAG 0x00000010 /* 16 */
3574#define DEBUG_c_FLAG 0x00000020 /* 32 */
3575#define DEBUG_P_FLAG 0x00000040 /* 64 */
3576#define DEBUG_m_FLAG 0x00000080 /* 128 */
3577#define DEBUG_f_FLAG 0x00000100 /* 256 */
3578#define DEBUG_r_FLAG 0x00000200 /* 512 */
3579#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3580#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3581/* U is reserved for Unofficial, exploratory hacking */
3582#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3583#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3584#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3585#define DEBUG_D_FLAG 0x00008000 /* 32768 */
d2c25739 3586/* 0x00010000 is unused, used to be S */
aea4f609 3587#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3588#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3589#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3590#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3591#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3592#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3593#define DEBUG_q_FLAG 0x00800000 /*8388608 */
d2c25739 3594#define DEBUG_MASK 0x00FEEFFF /* mask of all the standard flags */
aea4f609
DM		 3595
3596#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3597#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3598 that something was done? */
aea4f609 3599
bd16a5f0
IZ		 3600# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3601# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3602# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3603# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3604# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3605# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3606# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3607# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3608# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3609# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3610# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3611# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3612# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3613# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3614# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3615# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
bd16a5f0
IZ		 3616# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3617# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3618# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3619# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3620# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3621# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3622# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3623# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3624# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3625
3967c732 3626#ifdef DEBUGGING
aea4f609 3627
bd16a5f0
IZ		 3628# define DEBUG_p_TEST DEBUG_p_TEST_
3629# define DEBUG_s_TEST DEBUG_s_TEST_
3630# define DEBUG_l_TEST DEBUG_l_TEST_
3631# define DEBUG_t_TEST DEBUG_t_TEST_
3632# define DEBUG_o_TEST DEBUG_o_TEST_
3633# define DEBUG_c_TEST DEBUG_c_TEST_
3634# define DEBUG_P_TEST DEBUG_P_TEST_
3635# define DEBUG_m_TEST DEBUG_m_TEST_
3636# define DEBUG_f_TEST DEBUG_f_TEST_
3637# define DEBUG_r_TEST DEBUG_r_TEST_
3638# define DEBUG_x_TEST DEBUG_x_TEST_
3639# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3640# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3641# define DEBUG_H_TEST DEBUG_H_TEST_
3642# define DEBUG_X_TEST DEBUG_X_TEST_
3643# define DEBUG_D_TEST DEBUG_D_TEST_
bd16a5f0
IZ		 3644# define DEBUG_T_TEST DEBUG_T_TEST_
3645# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3646# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3647# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3648# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3649# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3650# define DEBUG_q_TEST DEBUG_q_TEST_
7949c6f5
JC		 3651# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3652# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
aea4f609 3653
488b0c7a
JH		 3654# define PERL_DEB(a) a
3655# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3656# define DEBUG_p(a) if (DEBUG_p_TEST) a
3657# define DEBUG_s(a) if (DEBUG_s_TEST) a
3658# define DEBUG_l(a) if (DEBUG_l_TEST) a
3659# define DEBUG_t(a) if (DEBUG_t_TEST) a
3660# define DEBUG_o(a) if (DEBUG_o_TEST) a
3661# define DEBUG_c(a) if (DEBUG_c_TEST) a
3662# define DEBUG_P(a) if (DEBUG_P_TEST) a
3663
969058bb
VK		 3664 /* Temporarily turn off memory debugging in case the a
3665 * does memory allocation, either directly or indirectly. */
acfe0abc 3666# define DEBUG_m(a) \
0b250b9e 3667 STMT_START { \
aea4f609 3668 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3669 } STMT_END
aea4f609 3670
5f80b19c
AMS		 3671# define DEBUG__(t, a) \
3672 STMT_START { \
3673 if (t) STMT_START {a;} STMT_END; \
3674 } STMT_END
3675
3676# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3677#ifndef PERL_EXT_RE_BUILD
5f80b19c 3678# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3679#else
3680# define DEBUG_r(a) STMT_START {a;} STMT_END
3681#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3682# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3683# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3684# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3685# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3686# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3687# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3688# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3689# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
aea4f609 3690
5f80b19c
AMS		 3691# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3692# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3693# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3694# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3695# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3696# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 3697
3698#else /* DEBUGGING */
3699
3700# define DEBUG_p_TEST (0)
3701# define DEBUG_s_TEST (0)
3702# define DEBUG_l_TEST (0)
3703# define DEBUG_t_TEST (0)
3704# define DEBUG_o_TEST (0)
3705# define DEBUG_c_TEST (0)
3706# define DEBUG_P_TEST (0)
3707# define DEBUG_m_TEST (0)
3708# define DEBUG_f_TEST (0)
3709# define DEBUG_r_TEST (0)
3710# define DEBUG_x_TEST (0)
3711# define DEBUG_u_TEST (0)
88d2d28a 3712# define DEBUG_U_TEST (0)
aea4f609
DM		 3713# define DEBUG_H_TEST (0)
3714# define DEBUG_X_TEST (0)
3715# define DEBUG_D_TEST (0)
aea4f609 3716# define DEBUG_T_TEST (0)
04932ac8 3717# define DEBUG_R_TEST (0)
1045810a 3718# define DEBUG_J_TEST (0)
d6721266 3719# define DEBUG_v_TEST (0)
46187eeb 3720# define DEBUG_C_TEST (0)
ecae49c0
NC		 3721# define DEBUG_A_TEST (0)
3722# define DEBUG_q_TEST (0)
7949c6f5
JC		 3723# define DEBUG_Xv_TEST (0)
3724# define DEBUG_Uv_TEST (0)
aea4f609 3725
488b0c7a
JH		 3726# define PERL_DEB(a)
3727# define PERL_DEBUG(a)
aea4f609
DM		 3728# define DEBUG_p(a)
3729# define DEBUG_s(a)
3730# define DEBUG_l(a)
3731# define DEBUG_t(a)
3732# define DEBUG_o(a)
3733# define DEBUG_c(a)
3734# define DEBUG_P(a)
3735# define DEBUG_m(a)
3736# define DEBUG_f(a)
3737# define DEBUG_r(a)
3738# define DEBUG_x(a)
3739# define DEBUG_u(a)
88d2d28a 3740# define DEBUG_U(a)
aea4f609
DM		 3741# define DEBUG_H(a)
3742# define DEBUG_X(a)
3743# define DEBUG_D(a)
aea4f609 3744# define DEBUG_T(a)
04932ac8 3745# define DEBUG_R(a)
d6721266 3746# define DEBUG_v(a)
46187eeb 3747# define DEBUG_C(a)
ecae49c0
NC		 3748# define DEBUG_A(a)
3749# define DEBUG_q(a)
7949c6f5
JC		 3750# define DEBUG_Xv(a)
3751# define DEBUG_Uv(a)
aea4f609
DM		 3752#endif /* DEBUGGING */
3753
3754
b4ab917c
DM		 3755#define DEBUG_SCOPE(where) \
3756 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3757 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM		 3758
3759
3760
3761
d1be9408 3762/* These constants should be used in preference to raw characters
14befaf4
DM		 3763 * when using magic. Note that some perl guts still assume
3764 * certain character properties of these constants, namely that
3765 * isUPPER() and toLOWER() may do useful mappings.
3766 *
3767 * Update the magic_names table in dump.c when adding/amending these
3768 */
3769
3770#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3771#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3772#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3773#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3774#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3775#define PERL_MAGIC_regdata 'D' /* Regex match position data
3776 (@+ and @- vars) */
3777#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3778#define PERL_MAGIC_env 'E' /* %ENV hash */
3779#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3780#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3781#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
b3ca2e83
NC		 3782#define PERL_MAGIC_hints 'H' /* %^H hash */
3783#define PERL_MAGIC_hintselem 'h' /* %^H hash element */
14befaf4
DM		 3784#define PERL_MAGIC_isa 'I' /* @ISA array */
3785#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3786#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3787#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3788#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3789#define PERL_MAGIC_shared 'N' /* Shared between threads */
3790#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3791#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3792#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3793#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3794#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3795#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3796#define PERL_MAGIC_sig 'S' /* %SIG hash */
3797#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3798#define PERL_MAGIC_taint 't' /* Taintedness */
3799#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3800#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3801#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3802#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3803#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3804#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3805#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3806 smart parameter vivification */
14befaf4
DM		 3807#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3808#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3809#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3810#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3811#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3812#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM		 3813#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3814
de84dc04
NC		 3815#if defined(DEBUGGING) && defined(I_ASSERT)
3816# include <assert.h>
3817#endif
3818
3819/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3820 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3821
de84dc04 3822#define Perl_assert(what) PERL_DEB( \
2b057284 3823 ((what) ? ((void) 0) : \
67eb4d30 3824 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3825 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3826 (void) 0)))
de84dc04
NC		 3827
3828#ifndef assert
3829# define assert(what) Perl_assert(what)
a446a88f 3830#endif
8d063cd8 3831
450a55e4 3832struct ufuncs {
24f81a43
DM		 3833 I32 (*uf_val)(pTHX_ IV, SV*);
3834 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3835 IV uf_index;
450a55e4
LW		 3836};
3837
14befaf4 3838/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3839 * XS code wanting to be backward compatible can do something
3840 * like the following:
c745e42c 3841
24f81a43 3842#ifndef PERL_MG_UFUNC
24f81a43
DM		 3843#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3844#endif
3845
3846static PERL_MG_UFUNC(foo_get, index, val)
3847{
3848 sv_setsv(val, ...);
3849 return TRUE;
3850}
3851
3852-- Doug MacEachern
3853
3854*/
3855
fc9c74e6 3856#ifndef PERL_MG_UFUNC
24f81a43 3857#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3858#endif
24f81a43 3859
fe14fcc3 3860/* Fix these up for __STDC__ */
68dc0745 3861#ifndef DONT_DECLARE_STD
20ce7b12 3862char *mktemp (char*);
37bd1396 3863#ifndef atof
20ce7b12 3864double atof (const char*);
a0d0e21e 3865#endif
37bd1396 3866#endif
79072805 3867
352d5a3a 3868#ifndef STANDARD_C
fe14fcc3 3869/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3870Time_t time();
8d063cd8 3871struct tm *gmtime(), *localtime();
092bebab 3872#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3873char *(strchr)(), *(strrchr)();
3874char *(strcpy)(), *(strcat)();
3875#else
93a17b20 3876char *strchr(), *strrchr();
378cc40b 3877char *strcpy(), *strcat();
9d116dd7 3878#endif
352d5a3a 3879#endif /* ! STANDARD_C */
8d063cd8 3880
79072805
LW		 3881
3882#ifdef I_MATH
3883# include <math.h>
3884#else
32f822de 3885START_EXTERN_C
20ce7b12
GS		 3886 double exp (double);
3887 double log (double);
3888 double log10 (double);
3889 double sqrt (double);
3890 double frexp (double,int*);
3891 double ldexp (double,int);
3892 double modf (double,double*);
3893 double sin (double);
3894 double cos (double);
3895 double atan2 (double,double);
3896 double pow (double,double);
32f822de 3897END_EXTERN_C
79072805
LW		 3898#endif
3899
aa8b85de
JH		 3900#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3901# define NV_INF LDBL_INFINITY
3902#endif
3903#if !defined(NV_INF) && defined(DBL_INFINITY)
3904# define NV_INF (NV)DBL_INFINITY
3905#endif
3906#if !defined(NV_INF) && defined(INFINITY)
3907# define NV_INF (NV)INFINITY
3908#endif
3909#if !defined(NV_INF) && defined(INF)
3910# define NV_INF (NV)INF
3911#endif
3912#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3913# define NV_INF (NV)HUGE_VALL
3914#endif
3915#if !defined(NV_INF) && defined(HUGE_VAL)
3916# define NV_INF (NV)HUGE_VAL
3917#endif
3918
3919#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3920# if !defined(NV_NAN) && defined(LDBL_NAN)
3921# define NV_NAN LDBL_NAN
3922# endif
3923# if !defined(NV_NAN) && defined(LDBL_QNAN)
3924# define NV_NAN LDBL_QNAN
3925# endif
3926# if !defined(NV_NAN) && defined(LDBL_SNAN)
3927# define NV_NAN LDBL_SNAN
3928# endif
3929#endif
3930#if !defined(NV_NAN) && defined(DBL_NAN)
3931# define NV_NAN (NV)DBL_NAN
3932#endif
3933#if !defined(NV_NAN) && defined(DBL_QNAN)
3934# define NV_NAN (NV)DBL_QNAN
3935#endif
3936#if !defined(NV_NAN) && defined(DBL_SNAN)
3937# define NV_NAN (NV)DBL_SNAN
3938#endif
3939#if !defined(NV_NAN) && defined(QNAN)
3940# define NV_NAN (NV)QNAN
3941#endif
3942#if !defined(NV_NAN) && defined(SNAN)
3943# define NV_NAN (NV)SNAN
3944#endif
3945#if !defined(NV_NAN) && defined(NAN)
3946# define NV_NAN (NV)NAN
3947#endif
3948
a0d0e21e 3949#ifndef __cplusplus
8f1f23e8 3950# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3951char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3952# else
fd8cd3a3 3953# if !defined(WIN32) && !defined(VMS)
10bc17b6 3954#ifndef crypt
20ce7b12 3955char *crypt (const char*, const char*);
10bc17b6 3956#endif
5014db98 3957# endif /* !WIN32 */
8f1f23e8 3958# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3959# ifndef DONT_DECLARE_STD
3960# ifndef getenv
20ce7b12 3961char *getenv (const char*);
26618a56 3962# endif /* !getenv */
28ca6303 3963# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3964# ifdef _FILE_OFFSET_BITS
28ca6303 3965# if _FILE_OFFSET_BITS == 64
20ce7b12 3966Off_t lseek (int,Off_t,int);
0fc67700
JH		 3967# endif
3968# endif
bf0c440f 3969# endif
26618a56 3970# endif /* !DONT_DECLARE_STD */
10bc17b6 3971#ifndef getlogin
20ce7b12 3972char *getlogin (void);
10bc17b6 3973#endif
26618a56 3974#endif /* !__cplusplus */
79072805 3975
7a7fd8e0
JM		 3976/* Fixme on VMS. This needs to be a run-time, not build time options */
3977/* Also rename() is affected by this */
16d20bd9 3978#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3979#define UNLINK unlnk
083639a9 3980I32 unlnk (pTHX_ const char*);
8d063cd8 3981#else
80252599 3982#define UNLINK PerlLIO_unlink
8d063cd8 3983#endif
a687059c 3984
fa0a29af
JH		 3985/* some versions of glibc are missing the setresuid() proto */
3986#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3987int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3988#endif
fa0a29af
JH		 3989/* some versions of glibc are missing the setresgid() proto */
3990#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3991int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3992#endif
3993
fe14fcc3 3994#ifndef HAS_SETREUID
85e6fe83
LW		 3995# ifdef HAS_SETRESUID
3996# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3997# define HAS_SETREUID
3998# endif
a687059c 3999#endif
fe14fcc3 4000#ifndef HAS_SETREGID
85e6fe83
LW		 4001# ifdef HAS_SETRESGID
4002# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4003# define HAS_SETREGID
4004# endif
a687059c 4005#endif
ee0007ab 4006
d543acb6 4007/* Sighandler_t defined in iperlsys.h */
ff68c719 4008
4009#ifdef HAS_SIGACTION
4010typedef struct sigaction Sigsave_t;
4011#else
4012typedef Sighandler_t Sigsave_t;
4013#endif
4014
ee0007ab
LW		 4015#define SCAN_DEF 0
4016#define SCAN_TR 1
4017#define SCAN_REPL 2
79072805
LW		 4018
4019#ifdef DEBUGGING
4633a7c4 4020# ifndef register
a0d0e21e
LW		 4021# define register
4022# endif
cea2e8a9 4023# define RUNOPS_DEFAULT Perl_runops_debug
79072805 4024#else
cea2e8a9 4025# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 4026#endif
4027
6cb8cb21 4028#ifdef USE_PERLIO
0934c9d9 4029EXTERN_C void PerlIO_teardown(void);
2f44961c 4030# ifdef USE_ITHREADS
6cb8cb21
RGS		 4031# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4032# define PERLIO_TERM \
4033 STMT_START { \
d0820ef1 4034 PerlIO_teardown(); \
6cb8cb21
RGS		 4035 MUTEX_DESTROY(&PL_perlio_mutex);\
4036 } STMT_END
4037# else
4038# define PERLIO_INIT
d0820ef1 4039# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 4040# endif
6b29934b
NC		 4041#else
4042# define PERLIO_INIT
4043# define PERLIO_TERM
6cb8cb21
RGS		 4044#endif
4045
18f739ee 4046#ifdef MYMALLOC
772fe5b3 4047# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 4048# define MALLOC_INIT \
4049 STMT_START { \
4050 PL_malloc_mutex = NULL; \
4051 MUTEX_INIT(&PL_malloc_mutex); \
4052 } STMT_END
4053# define MALLOC_TERM \
4054 STMT_START { \
4055 perl_mutex tmp = PL_malloc_mutex; \
4056 PL_malloc_mutex = NULL; \
4057 MUTEX_DESTROY(&tmp); \
4058 } STMT_END
4059# else
4060# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4061# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4062# endif
18f739ee
IZ		 4063#else
4064# define MALLOC_INIT
4065# define MALLOC_TERM
4066#endif
4067
cd1541b2 4068#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 4069
4070struct perl_memory_debug_header;
cd1541b2
NC		 4071struct perl_memory_debug_header {
4072 tTHX interpreter;
4073# ifdef PERL_POISON
4074 MEM_SIZE size;
cd1541b2 4075# endif
7cb608b5
NC		 4076 struct perl_memory_debug_header *prev;
4077 struct perl_memory_debug_header *next;
cd1541b2
NC		 4078};
4079
4080# define sTHX (sizeof(struct perl_memory_debug_header) + \
4081 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4082 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4083
d8fca402
NC		 4084#else
4085# define sTHX 0
cd1541b2
NC		 4086#endif
4087
7cb608b5
NC		 4088#ifdef PERL_TRACK_MEMPOOL
4089# define INIT_TRACK_MEMPOOL(header, interp) \
4090 STMT_START { \
4091 (header).interpreter = (interp); \
4092 (header).prev = (header).next = &(header); \
4093 } STMT_END
4094# else
4095# define INIT_TRACK_MEMPOOL(header, interp)
4096#endif
4097
1cd66f7c
DD		 4098#ifdef I_MALLOCMALLOC
4099/* Needed for malloc_size(), malloc_good_size() on some systems */
4100# include <malloc/malloc.h>
4101#endif
4102
ca7c1a29
NC		 4103#ifdef MYMALLOC
4104# define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
cfe52898 4105#else
e82be400
NC		 4106# ifdef HAS_MALLOC_SIZE
4107# ifdef PERL_TRACK_MEMPOOL
cfe52898
RGS		 4108# define Perl_safesysmalloc_size(where) \
4109 (malloc_size(((char *)(where)) - sTHX) - sTHX)
e82be400
NC		 4110# else
4111# define Perl_safesysmalloc_size(where) malloc_size(where)
4112# endif
4113# endif
4114# ifdef HAS_MALLOC_GOOD_SIZE
4115# ifdef PERL_TRACK_MEMPOOL
d8fca402
NC		 4116# define Perl_malloc_good_size(how_much) \
4117 (malloc_good_size((how_much) + sTHX) - sTHX)
e82be400
NC		 4118# else
4119# define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4120# endif
4121# else
d8fca402
NC		 4122/* Having this as the identity operation makes some code simpler. */
4123# define Perl_malloc_good_size(how_much) (how_much)
e82be400 4124# endif
ca7c1a29 4125#endif
b6d9d515 4126
0cb96387 4127typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 4128typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 4129typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 4130typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
eba16661 4131typedef bool (CPERLscope(*destroyable_proc_t)) (pTHX_ SV *sv);
22c35a8c 4132
940cb80d 4133/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 4134#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 4135
8f1f23e8
W		 4136/* NeXT has problems with crt0.o globals */
4137#if defined(__DYNAMIC__) && \
6239f2da 4138 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 4139# if defined(NeXT) || defined(__NeXT)
4140# include <mach-o/dyld.h>
4141# define environ (*environ_pointer)
0c30d9ec 4142EXT char *** environ_pointer;
8f1f23e8 4143# else
6239f2da 4144# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 4145# include <crt_externs.h> /* for the env array */
4146# define environ (*_NSGetEnviron())
4147# endif
0c30d9ec 4148# endif
8f1f23e8
W		 4149#else
4150 /* VMS and some other platforms don't use the environ array */
13b6e58c 4151# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 4152# if !defined(DONT_DECLARE_STD) || \
4153 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
4154 defined(__sgi) || \
d460ef45 4155 defined(__DGUX)
8f1f23e8 4156extern char ** environ; /* environment variables supplied via exec */
a6c40364 4157# endif
8f1f23e8
W		 4158# endif
4159#endif
79072805 4160
73c4f7a1
GS		 4161START_EXTERN_C
4162
79072805 4163/* handy constants */
22c35a8c 4164EXTCONST char PL_warn_uninit[]
29489e7c 4165 INIT("Use of uninitialized value%s%s%s");
22c35a8c 4166EXTCONST char PL_warn_nosemi[]
463ee0b2 4167 INIT("Semicolon seems to be missing");
22c35a8c 4168EXTCONST char PL_warn_reserved[]
463ee0b2 4169 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4170EXTCONST char PL_warn_nl[]
93a17b20 4171 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4172EXTCONST char PL_no_wrongref[]
a0d0e21e 4173 INIT("Can't use %s ref as %s ref");
22c35a8c 4174EXTCONST char PL_no_symref[]
748a9306 4175 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 4176EXTCONST char PL_no_symref_sv[]
014ead4b 4177 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 4178EXTCONST char PL_no_usym[]
8990e307 4179 INIT("Can't use an undefined value as %s reference");
22c35a8c 4180EXTCONST char PL_no_aelem[]
93a17b20 4181 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4182EXTCONST char PL_no_helem_sv[]
d04ff51e 4183 INIT("Modification of non-creatable hash value attempted, subscript \"%"SVf"\"");
22c35a8c 4184EXTCONST char PL_no_modify[]
93a17b20 4185 INIT("Modification of a read-only value attempted");
22c35a8c 4186EXTCONST char PL_no_mem[]
93a17b20 4187 INIT("Out of memory!\n");
22c35a8c 4188EXTCONST char PL_no_security[]
463ee0b2 4189 INIT("Insecure dependency in %s%s");
22c35a8c 4190EXTCONST char PL_no_sock_func[]
93a17b20 4191 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4192EXTCONST char PL_no_dir_func[]
93a17b20 4193 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4194EXTCONST char PL_no_func[]
93a17b20 4195 INIT("The %s function is unimplemented");
22c35a8c 4196EXTCONST char PL_no_myglob[]
952306ac 4197 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 4198EXTCONST char PL_no_localize_ref[]
4199 INIT("Can't localize through a reference");
27d5b266
JH		 4200EXTCONST char PL_memory_wrap[]
4201 INIT("panic: memory wrap");
93a17b20 4202
618b9757
NC		 4203#ifdef CSH
4204EXTCONST char PL_cshname[]
4205 INIT(CSH);
4206# define PL_cshlen (sizeof(CSH "") - 1)
4207#endif
4208
7575fa06 4209EXTCONST char PL_uuemap[65]
80252599
GS		 4210 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4211
79072805 4212#ifdef DOINIT
9444d213
NC		 4213EXTCONST char PL_uudmap[256] =
4214#include "uudmap.h"
4215;
27da23d5
JH		 4216EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4217EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4218#else
9444d213 4219EXTCONST char PL_uudmap[256];
27da23d5
JH		 4220EXTCONST char* const PL_sig_name[];
4221EXTCONST int PL_sig_num[];
79072805
LW		 4222#endif
4223
3bd709b1 4224/* fast conversion and case folding tables */
bbce6d69 4225
79072805 4226#ifdef DOINIT
9d116dd7 4227#ifdef EBCDIC
27da23d5 4228EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 4229 0, 1, 2, 3, 4, 5, 6, 7,
4230 8, 9, 10, 11, 12, 13, 14, 15,
4231 16, 17, 18, 19, 20, 21, 22, 23,
4232 24, 25, 26, 27, 28, 29, 30, 31,
4233 32, 33, 34, 35, 36, 37, 38, 39,
4234 40, 41, 42, 43, 44, 45, 46, 47,
4235 48, 49, 50, 51, 52, 53, 54, 55,
4236 56, 57, 58, 59, 60, 61, 62, 63,
4237 64, 65, 66, 67, 68, 69, 70, 71,
4238 72, 73, 74, 75, 76, 77, 78, 79,
4239 80, 81, 82, 83, 84, 85, 86, 87,
4240 88, 89, 90, 91, 92, 93, 94, 95,
4241 96, 97, 98, 99, 100, 101, 102, 103,
4242 104, 105, 106, 107, 108, 109, 110, 111,
4243 112, 113, 114, 115, 116, 117, 118, 119,
4244 120, 121, 122, 123, 124, 125, 126, 127,
4245 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4246 'H', 'I', 138, 139, 140, 141, 142, 143,
4247 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
4248 'Q', 'R', 154, 155, 156, 157, 158, 159,
4249 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
4250 'Y', 'Z', 170, 171, 172, 173, 174, 175,
4251 176, 177, 178, 179, 180, 181, 182, 183,
4252 184, 185, 186, 187, 188, 189, 190, 191,
4253 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4254 'h', 'i', 202, 203, 204, 205, 206, 207,
4255 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
4256 'q', 'r', 218, 219, 220, 221, 222, 223,
4257 224, 225, 's', 't', 'u', 'v', 'w', 'x',
4258 'y', 'z', 234, 235, 236, 237, 238, 239,
4259 240, 241, 242, 243, 244, 245, 246, 247,
4260 248, 249, 250, 251, 252, 253, 254, 255
4261};
4262#else /* ascii rather than ebcdic */
22c35a8c 4263EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4264 0, 1, 2, 3, 4, 5, 6, 7,
4265 8, 9, 10, 11, 12, 13, 14, 15,
4266 16, 17, 18, 19, 20, 21, 22, 23,
4267 24, 25, 26, 27, 28, 29, 30, 31,
4268 32, 33, 34, 35, 36, 37, 38, 39,
4269 40, 41, 42, 43, 44, 45, 46, 47,
4270 48, 49, 50, 51, 52, 53, 54, 55,
4271 56, 57, 58, 59, 60, 61, 62, 63,
4272 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4273 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4274 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4275 'x', 'y', 'z', 91, 92, 93, 94, 95,
4276 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4277 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4278 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4279 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4280 128, 129, 130, 131, 132, 133, 134, 135,
4281 136, 137, 138, 139, 140, 141, 142, 143,
4282 144, 145, 146, 147, 148, 149, 150, 151,
4283 152, 153, 154, 155, 156, 157, 158, 159,
4284 160, 161, 162, 163, 164, 165, 166, 167,
4285 168, 169, 170, 171, 172, 173, 174, 175,
4286 176, 177, 178, 179, 180, 181, 182, 183,
4287 184, 185, 186, 187, 188, 189, 190, 191,
4288 192, 193, 194, 195, 196, 197, 198, 199,
4289 200, 201, 202, 203, 204, 205, 206, 207,
4290 208, 209, 210, 211, 212, 213, 214, 215,
4291 216, 217, 218, 219, 220, 221, 222, 223,
4292 224, 225, 226, 227, 228, 229, 230, 231,
4293 232, 233, 234, 235, 236, 237, 238, 239,
4294 240, 241, 242, 243, 244, 245, 246, 247,
4295 248, 249, 250, 251, 252, 253, 254, 255
4296};
9d116dd7 4297#endif /* !EBCDIC */
79072805 4298#else
22c35a8c 4299EXTCONST unsigned char PL_fold[];
79072805
LW		 4300#endif
4301
27da23d5 4302#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4303#ifdef DOINIT
27da23d5 4304EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4305 0, 1, 2, 3, 4, 5, 6, 7,
4306 8, 9, 10, 11, 12, 13, 14, 15,
4307 16, 17, 18, 19, 20, 21, 22, 23,
4308 24, 25, 26, 27, 28, 29, 30, 31,
4309 32, 33, 34, 35, 36, 37, 38, 39,
4310 40, 41, 42, 43, 44, 45, 46, 47,
4311 48, 49, 50, 51, 52, 53, 54, 55,
4312 56, 57, 58, 59, 60, 61, 62, 63,
4313 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4314 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4315 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4316 'x', 'y', 'z', 91, 92, 93, 94, 95,
4317 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4318 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4319 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4320 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4321 128, 129, 130, 131, 132, 133, 134, 135,
4322 136, 137, 138, 139, 140, 141, 142, 143,
4323 144, 145, 146, 147, 148, 149, 150, 151,
4324 152, 153, 154, 155, 156, 157, 158, 159,
4325 160, 161, 162, 163, 164, 165, 166, 167,
4326 168, 169, 170, 171, 172, 173, 174, 175,
4327 176, 177, 178, 179, 180, 181, 182, 183,
4328 184, 185, 186, 187, 188, 189, 190, 191,
4329 192, 193, 194, 195, 196, 197, 198, 199,
4330 200, 201, 202, 203, 204, 205, 206, 207,
4331 208, 209, 210, 211, 212, 213, 214, 215,
4332 216, 217, 218, 219, 220, 221, 222, 223,
4333 224, 225, 226, 227, 228, 229, 230, 231,
4334 232, 233, 234, 235, 236, 237, 238, 239,
4335 240, 241, 242, 243, 244, 245, 246, 247,
4336 248, 249, 250, 251, 252, 253, 254, 255
4337};
4338#else
27da23d5 4339EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4340#endif
27da23d5 4341#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4342
4343#ifdef DOINIT
9d116dd7 4344#ifdef EBCDIC
27da23d5 4345EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4346 1, 2, 84, 151, 154, 155, 156, 157,
4347 165, 246, 250, 3, 158, 7, 18, 29,
4348 40, 51, 62, 73, 85, 96, 107, 118,
4349 129, 140, 147, 148, 149, 150, 152, 153,
4350 255, 6, 8, 9, 10, 11, 12, 13,
4351 14, 15, 24, 25, 26, 27, 28, 226,
4352 29, 30, 31, 32, 33, 43, 44, 45,
4353 46, 47, 48, 49, 50, 76, 77, 78,
4354 79, 80, 81, 82, 83, 84, 85, 86,
4355 87, 94, 95, 234, 181, 233, 187, 190,
4356 180, 96, 97, 98, 99, 100, 101, 102,
4357 104, 112, 182, 174, 236, 232, 229, 103,
4358 228, 226, 114, 115, 116, 117, 118, 119,
4359 120, 121, 122, 235, 176, 230, 194, 162,
4360 130, 131, 132, 133, 134, 135, 136, 137,
4361 138, 139, 201, 205, 163, 217, 220, 224,
4362 5, 248, 227, 244, 242, 255, 241, 231,
4363 240, 253, 16, 197, 19, 20, 21, 187,
4364 23, 169, 210, 245, 237, 249, 247, 239,
4365 168, 252, 34, 196, 36, 37, 38, 39,
4366 41, 42, 251, 254, 238, 223, 221, 213,
4367 225, 177, 52, 53, 54, 55, 56, 57,
4368 58, 59, 60, 61, 63, 64, 65, 66,
4369 67, 68, 69, 70, 71, 72, 74, 75,
4370 205, 208, 186, 202, 200, 218, 198, 179,
4371 178, 214, 88, 89, 90, 91, 92, 93,
4372 217, 166, 170, 207, 199, 209, 206, 204,
4373 160, 212, 105, 106, 108, 109, 110, 111,
4374 203, 113, 216, 215, 192, 175, 193, 243,
4375 172, 161, 123, 124, 125, 126, 127, 128,
4376 222, 219, 211, 195, 188, 193, 185, 184,
4377 191, 183, 141, 142, 143, 144, 145, 146
4378};
4379#else /* ascii rather than ebcdic */
22c35a8c 4380EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4381 1, 2, 84, 151, 154, 155, 156, 157,
4382 165, 246, 250, 3, 158, 7, 18, 29,
4383 40, 51, 62, 73, 85, 96, 107, 118,
4384 129, 140, 147, 148, 149, 150, 152, 153,
4385 255, 182, 224, 205, 174, 176, 180, 217,
4386 233, 232, 236, 187, 235, 228, 234, 226,
4387 222, 219, 211, 195, 188, 193, 185, 184,
4388 191, 183, 201, 229, 181, 220, 194, 162,
4389 163, 208, 186, 202, 200, 218, 198, 179,
4390 178, 214, 166, 170, 207, 199, 209, 206,
4391 204, 160, 212, 216, 215, 192, 175, 173,
4392 243, 172, 161, 190, 203, 189, 164, 230,
4393 167, 248, 227, 244, 242, 255, 241, 231,
4394 240, 253, 169, 210, 245, 237, 249, 247,
4395 239, 168, 252, 251, 254, 238, 223, 221,
4396 213, 225, 177, 197, 171, 196, 159, 4,
4397 5, 6, 8, 9, 10, 11, 12, 13,
4398 14, 15, 16, 17, 19, 20, 21, 22,
4399 23, 24, 25, 26, 27, 28, 30, 31,
4400 32, 33, 34, 35, 36, 37, 38, 39,
4401 41, 42, 43, 44, 45, 46, 47, 48,
4402 49, 50, 52, 53, 54, 55, 56, 57,
4403 58, 59, 60, 61, 63, 64, 65, 66,
4404 67, 68, 69, 70, 71, 72, 74, 75,
4405 76, 77, 78, 79, 80, 81, 82, 83,
4406 86, 87, 88, 89, 90, 91, 92, 93,
4407 94, 95, 97, 98, 99, 100, 101, 102,
4408 103, 104, 105, 106, 108, 109, 110, 111,
4409 112, 113, 114, 115, 116, 117, 119, 120,
4410 121, 122, 123, 124, 125, 126, 127, 128,
4411 130, 131, 132, 133, 134, 135, 136, 137,
4412 138, 139, 141, 142, 143, 144, 145, 146
4413};
9d116dd7 4414#endif
79072805 4415#else
22c35a8c 4416EXTCONST unsigned char PL_freq[];
79072805
LW		 4417#endif
4418
8990e307
LW		 4419#ifdef DEBUGGING
4420#ifdef DOINIT
27da23d5 4421EXTCONST char* const PL_block_type[] = {
8990e307 4422 "NULL",
d01136d6 4423 "WHEN",
8990e307 4424 "BLOCK",
0d863452 4425 "GIVEN",
d01136d6
BS		 4426 "LOOP_FOR",
4427 "LOOP_PLAIN",
4428 "LOOP_LAZYSV",
4429 "LOOP_LAZYIV",
76753e7f
NC		 4430 "SUB",
4431 "FORMAT",
4432 "EVAL",
4433 "SUBST"
8990e307
LW		 4434};
4435#else
22c35a8c 4436EXTCONST char* PL_block_type[];
8990e307
LW		 4437#endif
4438#endif
4439
b75885fd
NC		 4440/* These are all the compile time options that affect binary compatibility.
4441 Other compile time options that are binary compatible are in perl.c
4442 Both are combined for the output of perl -V
4443 However, this string will be embedded in any shared perl library, which will
4444 allow us add a comparison check in perlmain.c in the near future. */
4445#ifdef DOINIT
4446EXTCONST char PL_bincompat_options[] =
4447# ifdef DEBUG_LEAKING_SCALARS
4448 " DEBUG_LEAKING_SCALARS"
4449# endif
4450# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4451 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4452# endif
4453# ifdef FAKE_THREADS
4454 " FAKE_THREADS"
4455# endif
4456# ifdef MULTIPLICITY
4457 " MULTIPLICITY"
4458# endif
4459# ifdef MYMALLOC
4460 " MYMALLOC"
4461# endif
4462# ifdef PERL_DEBUG_READONLY_OPS
4463 " PERL_DEBUG_READONLY_OPS"
4464# endif
4465# ifdef PERL_GLOBAL_STRUCT
4466 " PERL_GLOBAL_STRUCT"
4467# endif
4468# ifdef PERL_IMPLICIT_CONTEXT
4469 " PERL_IMPLICIT_CONTEXT"
4470# endif
4471# ifdef PERL_IMPLICIT_SYS
4472 " PERL_IMPLICIT_SYS"
4473# endif
4474# ifdef PERL_MAD
4475 " PERL_MAD"
4476# endif
4477# ifdef PERL_NEED_APPCTX
4478 " PERL_NEED_APPCTX"
4479# endif
4480# ifdef PERL_NEED_TIMESBASE
4481 " PERL_NEED_TIMESBASE"
4482# endif
4483# ifdef PERL_OLD_COPY_ON_WRITE
4484 " PERL_OLD_COPY_ON_WRITE"
4485# endif
4486# ifdef PERL_POISON
4487 " PERL_POISON"
4488# endif
4489# ifdef PERL_TRACK_MEMPOOL
4490 " PERL_TRACK_MEMPOOL"
4491# endif
4492# ifdef PERL_USES_PL_PIDSTATUS
4493 " PERL_USES_PL_PIDSTATUS"
4494# endif
4495# ifdef PL_OP_SLAB_ALLOC
4496 " PL_OP_SLAB_ALLOC"
4497# endif
4498# ifdef THREADS_HAVE_PIDS
4499 " THREADS_HAVE_PIDS"
4500# endif
4501# ifdef USE_64_BIT_ALL
4502 " USE_64_BIT_ALL"
4503# endif
4504# ifdef USE_64_BIT_INT
4505 " USE_64_BIT_INT"
4506# endif
c7b392fa
NC		 4507# ifdef USE_IEEE
4508 " USE_IEEE"
4509# endif
b75885fd
NC		 4510# ifdef USE_ITHREADS
4511 " USE_ITHREADS"
4512# endif
4513# ifdef USE_LARGE_FILES
4514 " USE_LARGE_FILES"
4515# endif
4516# ifdef USE_LONG_DOUBLE
4517 " USE_LONG_DOUBLE"
4518# endif
4519# ifdef USE_PERLIO
4520 " USE_PERLIO"
4521# endif
4522# ifdef USE_REENTRANT_API
4523 " USE_REENTRANT_API"
4524# endif
4525# ifdef USE_SFIO
4526 " USE_SFIO"
4527# endif
4528# ifdef USE_SOCKS
4529 " USE_SOCKS"
4530# endif
4f575702
CB		 4531# ifdef VMS_DO_SOCKETS
4532 " VMS_DO_SOCKETS"
4533# ifdef DECCRTL_SOCKETS
4534 " DECCRTL_SOCKETS"
4535# endif
4536# endif
4537# ifdef VMS_WE_ARE_CASE_SENSITIVE
4538 " VMS_SYMBOL_CASE_AS_IS"
4539# endif
a68dd89e 4540 "";
b75885fd
NC		 4541#else
4542EXTCONST char PL_bincompat_options[];
4543#endif
4544
73c4f7a1
GS		 4545END_EXTERN_C
4546
79072805
LW		 4547/*****************************************************************************/
4548/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4549/*****************************************************************************/
8990e307 4550/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4551
d4c3c482 4552#ifdef __Lynx__
9cffb111
OS		 4553/* LynxOS defines these in scsi.h which is included via ioctl.h */
4554#ifdef FORMAT
4555#undef FORMAT
4556#endif
4557#ifdef SPACE
4558#undef SPACE
4559#endif
d4c3c482 4560#endif
9cffb111 4561
fb73857a 4562#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4563
79072805
LW		 4564typedef enum {
4565 XOPERATOR,
4566 XTERM,
79072805 4567 XREF,
8990e307 4568 XSTATE,
a0d0e21e 4569 XBLOCK,
09bef843
SB		 4570 XATTRBLOCK,
4571 XATTRTERM,
6f33ba73
RGS		 4572 XTERMBLOCK,
4573 XTERMORDORDOR /* evil hack */
27308ded 4574 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4575} expectation;
4576
dc9e4912
GS		 4577enum { /* pass one of these to get_vtbl */
4578 want_vtbl_sv,
4579 want_vtbl_env,
4580 want_vtbl_envelem,
4581 want_vtbl_sig,
4582 want_vtbl_sigelem,
4583 want_vtbl_pack,
4584 want_vtbl_packelem,
4585 want_vtbl_dbline,
4586 want_vtbl_isa,
4587 want_vtbl_isaelem,
4588 want_vtbl_arylen,
4589 want_vtbl_glob,
4590 want_vtbl_mglob,
4591 want_vtbl_nkeys,
4592 want_vtbl_taint,
4593 want_vtbl_substr,
4594 want_vtbl_vec,
4595 want_vtbl_pos,
4596 want_vtbl_bm,
4597 want_vtbl_fm,
4598 want_vtbl_uvar,
4599 want_vtbl_defelem,
4600 want_vtbl_regexp,
4601 want_vtbl_collxfrm,
4602 want_vtbl_amagic,
4603 want_vtbl_amagicelem,
dc9e4912 4604 want_vtbl_regdata,
810b8aa5 4605 want_vtbl_regdatum,
7e8c5dac 4606 want_vtbl_backref,
8d2f4536 4607 want_vtbl_utf8,
83bf042f 4608 want_vtbl_symtab,
b3ca2e83
NC		 4609 want_vtbl_arylen_p,
4610 want_vtbl_hintselem
dc9e4912
GS		 4611};
4612
d5ec2987
NC		 4613
4614/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4615 special and there is no need for HINT_PRIVATE_MASK for COPs
4616 However, bitops store HINT_INTEGER in their op_private. */
9cfe5470
RGS		 4617#define HINT_INTEGER 0x00000001 /* integer pragma */
4618#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4619#define HINT_LOCALE 0x00000004 /* locale pragma */
4620#define HINT_BYTES 0x00000008 /* bytes pragma */
7b0bddfa 4621#define HINT_ARYBASE 0x00000010 /* $[ is non-zero */
a0ed51b3 4622 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 4623 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 4624
4625#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4626#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4627#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 4628
9cfe5470 4629/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4630#define HINT_NEW_INTEGER 0x00001000
4631#define HINT_NEW_FLOAT 0x00002000
4632#define HINT_NEW_BINARY 0x00004000
4633#define HINT_NEW_STRING 0x00008000
4634#define HINT_NEW_RE 0x00010000
4635#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 4636#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4637#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 4638
9cfe5470
RGS		 4639#define HINT_RE_TAINT 0x00100000 /* re pragma */
4640#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4641
9cfe5470
RGS		 4642#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4643#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4644
e46c382e
YK		 4645#define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
4646
0239f47c 4647/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4648#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4649#define HINT_SORT_QUICKSORT 0x00000001
4650#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4651#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4652
8bfdd7d9 4653/* Various states of the input record separator SV (rs) */
d4cce5f1 4654#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4655#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4656#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4657#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4658
128e8167 4659/* A struct for keeping various DEBUGGING related stuff,
ce333219 4660 * neatly packed. Currently only scratch variables for
128e8167
JH		 4661 * constructing debug output are included. Needed always,
4662 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4663struct perl_debug_pad {
4664 SV pad[3];
4665};
4666
4667#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4668#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4669 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4670 PERL_DEBUG_PAD(i))
ce333219 4671
56953603 4672/* Enable variables which are pointers to functions */
a2efc822 4673typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 4674typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
4675typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
4676 char* strend, char* strbeg, I32 minend,
4677 SV* screamer, void* data, U32 flags);
f722798b
IZ		 4678typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
4679 char *strpos, char *strend,
4680 U32 flags,
9f61653a 4681 re_scream_pos_data *d);
f722798b
IZ		 4682typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
4683typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
84da74a7 4684typedef regexp*(CPERLscope(*regdupe_t)) (pTHX_ const regexp* r, CLONE_PARAMS *param);
56953603 4685
c76ac1ee 4686typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc 4687typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
f30de749 4688typedef void (*SVFUNC_t) (pTHX_ SV* const);
31e9e0a3 4689typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
acfe0abc
GS		 4690typedef void (*XSINIT_t) (pTHX);
4691typedef void (*ATEXIT_t) (pTHX_ void*);
4692typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4693
22239a37
NIS		 4694/* Set up PERLVAR macros for populating structs */
4695#define PERLVAR(var,type) type var;
51371543 4696#define PERLVARA(var,n,type) type var[n];
22239a37 4697#define PERLVARI(var,type,init) type var;
3fe35a81 4698#define PERLVARIC(var,type,init) type var;
27da23d5
JH		 4699#define PERLVARISC(var,init) const char var[sizeof(init)];
4700
4701typedef OP* (CPERLscope(*Perl_ppaddr_t))(pTHX);
4702typedef OP* (CPERLscope(*Perl_check_t)) (pTHX_ OP*);
22239a37 4703
58a50f62
GS		 4704/* Interpreter exitlist entry */
4705typedef struct exitlistentry {
acfe0abc 4706 void (*fn) (pTHX_ void*);
58a50f62
GS		 4707 void *ptr;
4708} PerlExitListEntry;
4709
aadb217d
JH		 4710/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4711/* These have to be before perlvars.h */
4712#if !defined(HAS_SIGACTION) && defined(VMS)
4713# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4714#endif
4715/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4716#if defined(KILL_BY_SIGPRC)
4717# define FAKE_DEFAULT_SIGNAL_HANDLERS
4718#endif
4719
ffee3ff6
NC		 4720#define PERL_PATCHLEVEL_H_IMPLICIT
4721#include "patchlevel.h"
4722#undef PERL_PATCHLEVEL_H_IMPLICIT
4723
22239a37
NIS		 4724#ifdef PERL_GLOBAL_STRUCT
4725struct perl_vars {
7766f137 4726# include "perlvars.h"
22239a37
NIS		 4727};
4728
7766f137 4729# ifdef PERL_CORE
27da23d5 4730# ifndef PERL_GLOBAL_STRUCT_PRIVATE
533c011a
NIS		 4731EXT struct perl_vars PL_Vars;
4732EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
27da23d5
JH		 4733# undef PERL_GET_VARS
4734# define PERL_GET_VARS() PL_VarsPtr
4735# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
7766f137
GS		 4736# else /* PERL_CORE */
4737# if !defined(__GNUC__) || !defined(WIN32)
22239a37 4738EXT
7766f137 4739# endif /* WIN32 */
533c011a 4740struct perl_vars *PL_VarsPtr;
7766f137
GS		 4741# define PL_Vars (*((PL_VarsPtr) \
4742 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
4743# endif /* PERL_CORE */
22239a37
NIS		 4744#endif /* PERL_GLOBAL_STRUCT */
4745
acfe0abc 4746#if defined(MULTIPLICITY)
d460ef45 4747/* If we have multiple interpreters define a struct
d4cce5f1 4748 holding variables which must be per-interpreter
d460ef45 4749 If we don't have threads anything that would have
d4cce5f1
NIS		 4750 be per-thread is per-interpreter.
4751*/
4752
79072805 4753struct interpreter {
7766f137 4754# include "intrpvar.h"
49f531da 4755};
d4cce5f1 4756
79072805 4757#else
49f531da
NIS		 4758struct interpreter {
4759 char broiled;
4760};
acfe0abc 4761#endif /* MULTIPLICITY */
79072805 4762
22239a37 4763/* Done with PERLVAR macros for now ... */
d4cce5f1 4764#undef PERLVAR
51371543 4765#undef PERLVARA
d4cce5f1 4766#undef PERLVARI
3fe35a81 4767#undef PERLVARIC
27da23d5 4768#undef PERLVARISC
79072805 4769
f7fe979e 4770struct tempsym; /* defined in pp_pack.c */
49704364 4771
22239a37 4772#include "thread.h"
79072805 4773#include "pp.h"
864dbfa3
GS		 4774
4775#ifndef PERL_CALLCONV
a0c21aa1
JH		 4776# ifdef __cplusplus
4777# define PERL_CALLCONV extern "C"
4778# else
4779# define PERL_CALLCONV
4780# endif
d460ef45 4781#endif
0cb96387
GS		 4782#undef PERL_CKDEF
4783#undef PERL_PPDEF
0159f81b
JH		 4784#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
4785#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 4786
7766f137 4787#include "proto.h"
864dbfa3 4788
0cb96387 4789/* this has structure inits, so it cannot be included before here */
acfe0abc 4790#include "opcode.h"
864dbfa3 4791
d4cce5f1
NIS		 4792/* The following must follow proto.h as #defines mess up syntax */
4793
22c35a8c
GS		 4794#if !defined(PERL_FOR_X2P)
4795# include "embedvar.h"
4796#endif
598921a7
NC		 4797#ifndef PERL_MAD
4798# undef PL_madskills
4799# undef PL_xmlfp
4800# define PL_madskills 0
4801# define PL_xmlfp 0
4802#endif
d4cce5f1 4803
d460ef45 4804/* Now include all the 'global' variables
d4cce5f1 4805 * If we don't have threads or multiple interpreters
d460ef45 4806 * these include variables that would have been their struct-s
d4cce5f1 4807 */
d460ef45 4808
533c011a 4809#define PERLVAR(var,type) EXT type PL_##var;
51371543 4810#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 4811#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
4812#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
27da23d5 4813#define PERLVARISC(var,init) EXTCONST char PL_##var[sizeof(init)] INIT(init);
d4cce5f1 4814
acfe0abc 4815#if !defined(MULTIPLICITY)
7766f137 4816START_EXTERN_C
066ef5b5 4817# include "intrpvar.h"
7766f137 4818END_EXTERN_C
22239a37
NIS		 4819#endif
4820
24792b8d
NC		 4821#ifdef PERL_CORE
4822/* All core uses now exterminated. Ensure no zombies can return: */
4823# undef PL_na
4824#endif
4825
acfe0abc 4826#if defined(WIN32)
66a93824 4827/* Now all the config stuff is setup we can include embed.h */
22c35a8c 4828# include "embed.h"
eb8433b7
NC		 4829# ifndef PERL_MAD
4830# undef op_getmad
b3f24c00 4831# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 4832# endif
acfe0abc 4833#endif
22239a37 4834
c5be433b
GS		 4835#ifndef PERL_GLOBAL_STRUCT
4836START_EXTERN_C
4837
4838# include "perlvars.h"
4839
4840END_EXTERN_C
4841#endif
4842
d4cce5f1 4843#undef PERLVAR
51371543 4844#undef PERLVARA
d4cce5f1 4845#undef PERLVARI
0f3f18a6 4846#undef PERLVARIC
79072805 4847
73c4f7a1
GS		 4848START_EXTERN_C
4849
bc028b6b
JH		 4850/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
4851 * magic vtables const, but this is incompatible with SWIG which
4852 * does want to modify the vtables. */
4853#ifdef PERL_GLOBAL_STRUCT_PRIVATE
4854# define EXT_MGVTBL EXTCONST MGVTBL
4855#else
4856# define EXT_MGVTBL EXT MGVTBL
4857#endif
4858
79072805 4859#ifdef DOINIT
bc028b6b 4860# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var = {a,b,c,d,e,f,g,h}
2664ba31 4861/* Like MGVTBL_SET but with the get magic having a const MG* */
bc028b6b 4862# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var \
2664ba31 4863 = {(int (*)(pTHX_ SV *, MAGIC *))a,b,c,d,e,f,g,h}
4944113a 4864#else
bc028b6b
JH		 4865# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var
4866# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var
4944113a
AL		 4867#endif
4868
abdc98d4
NC		 4869/* These all need to be 0, not NULL, as NULL can be (void*)0, which is a
4870 * pointer to data, whereas we're assigning pointers to functions, which are
4871 * not the same beast. ANSI doesn't allow the assignment from one to the other.
4872 * (although most, but not all, compilers are prepared to do it)
4873 */
4944113a
AL		 4874MGVTBL_SET(
4875 PL_vtbl_sv,
4876 MEMBER_TO_FPTR(Perl_magic_get),
4877 MEMBER_TO_FPTR(Perl_magic_set),
4878 MEMBER_TO_FPTR(Perl_magic_len),
abdc98d4
NC		 4879 0,
4880 0,
4881 0,
4882 0,
4883 0
4944113a
AL		 4884);
4885
4886MGVTBL_SET(
4887 PL_vtbl_env,
abdc98d4 4888 0,
4944113a 4889 MEMBER_TO_FPTR(Perl_magic_set_all_env),
abdc98d4 4890 0,
4944113a 4891 MEMBER_TO_FPTR(Perl_magic_clear_all_env),
abdc98d4
NC		 4892 0,
4893 0,
4894 0,
4895 0
4944113a
AL		 4896);
4897
4898MGVTBL_SET(
4899 PL_vtbl_envelem,
abdc98d4 4900 0,
4944113a 4901 MEMBER_TO_FPTR(Perl_magic_setenv),
abdc98d4 4902 0,
4944113a 4903 MEMBER_TO_FPTR(Perl_magic_clearenv),
abdc98d4
NC		 4904 0,
4905 0,
4906 0,
4907 0
4944113a
AL		 4908);
4909
abdc98d4 4910/* For now, hints magic will also use vtbl_sig, because it is all 0 */
4944113a
AL		 4911MGVTBL_SET(
4912 PL_vtbl_sig,
abdc98d4
NC		 4913 0,
4914 0,
4915 0,
4916 0,
4917 0,
4918 0,
4919 0,
4920 0
4944113a
AL		 4921);
4922
9ba75e3c 4923#ifdef PERL_MICRO
4944113a
AL		 4924MGVTBL_SET(
4925 PL_vtbl_sigelem,
abdc98d4
NC		 4926 0,
4927 0,
4928 0,
4929 0,
4930 0,
4931 0,
4932 0,
4933 0
9ba75e3c
DD		 4934);
4935
64ca3a65 4936#else
9ba75e3c
DD		 4937MGVTBL_SET(
4938 PL_vtbl_sigelem,
4944113a
AL		 4939 MEMBER_TO_FPTR(Perl_magic_getsig),
4940 MEMBER_TO_FPTR(Perl_magic_setsig),
abdc98d4 4941 0,
4944113a 4942 MEMBER_TO_FPTR(Perl_magic_clearsig),
abdc98d4
NC		 4943 0,
4944 0,
4945 0,
4946 0
4944113a 4947);
9ba75e3c 4948#endif
4944113a
AL		 4949
4950MGVTBL_SET(
4951 PL_vtbl_pack,
abdc98d4
NC		 4952 0,
4953 0,
4944113a
AL		 4954 MEMBER_TO_FPTR(Perl_magic_sizepack),
4955 MEMBER_TO_FPTR(Perl_magic_wipepack),
abdc98d4
NC		 4956 0,
4957 0,
4958 0,
4959 0
4944113a
AL		 4960);
4961
4962MGVTBL_SET(
4963 PL_vtbl_packelem,
4964 MEMBER_TO_FPTR(Perl_magic_getpack),
4965 MEMBER_TO_FPTR(Perl_magic_setpack),
abdc98d4 4966 0,
4944113a 4967 MEMBER_TO_FPTR(Perl_magic_clearpack),
abdc98d4
NC		 4968 0,
4969 0,
4970 0,
4971 0
4944113a
AL		 4972);
4973
4974MGVTBL_SET(
4975 PL_vtbl_dbline,
abdc98d4 4976 0,
4944113a 4977 MEMBER_TO_FPTR(Perl_magic_setdbline),
abdc98d4
NC		 4978 0,
4979 0,
4980 0,
4981 0,
4982 0,
4983 0
4944113a
AL		 4984);
4985
4986MGVTBL_SET(
4987 PL_vtbl_isa,
abdc98d4 4988 0,
4944113a 4989 MEMBER_TO_FPTR(Perl_magic_setisa),
abdc98d4 4990 0,
52b45067 4991 MEMBER_TO_FPTR(Perl_magic_clearisa),
0fa56319 4992 0,
abdc98d4
NC		 4993 0,
4994 0,
4995 0
4944113a
AL		 4996);
4997
4998MGVTBL_SET(
4999 PL_vtbl_isaelem,
abdc98d4 5000 0,
4944113a 5001 MEMBER_TO_FPTR(Perl_magic_setisa),
abdc98d4
NC		 5002 0,
5003 0,
5004 0,
5005 0,
5006 0,
5007 0
4944113a
AL		 5008);
5009
2e2109e1 5010MGVTBL_SET_CONST_MAGIC_GET(
4944113a
AL		 5011 PL_vtbl_arylen,
5012 MEMBER_TO_FPTR(Perl_magic_getarylen),
5013 MEMBER_TO_FPTR(Perl_magic_setarylen),
abdc98d4
NC		 5014 0,
5015 0,
5016 0,
5017 0,
5018 0,
5019 0
4944113a
AL		 5020);
5021
5022MGVTBL_SET(
83bf042f 5023 PL_vtbl_arylen_p,
abdc98d4
NC		 5024 0,
5025 0,
5026 0,
5027 0,
83bf042f 5028 MEMBER_TO_FPTR(Perl_magic_freearylen_p),
abdc98d4
NC		 5029 0,
5030 0,
5031 0
83bf042f
NC		 5032);
5033
5034MGVTBL_SET(
4944113a 5035 PL_vtbl_mglob,
abdc98d4 5036 0,
4944113a 5037 MEMBER_TO_FPTR(Perl_magic_setmglob),
abdc98d4
NC		 5038 0,
5039 0,
5040 0,
5041 0,
5042 0,
5043 0
4944113a
AL		 5044);
5045
5046MGVTBL_SET(
5047 PL_vtbl_nkeys,
5048 MEMBER_TO_FPTR(Perl_magic_getnkeys),
5049 MEMBER_TO_FPTR(Perl_magic_setnkeys),
abdc98d4
NC		 5050 0,
5051 0,
5052 0,
5053 0,
5054 0,
5055 0
4944113a
AL		 5056);
5057
5058MGVTBL_SET(
5059 PL_vtbl_taint,
5060 MEMBER_TO_FPTR(Perl_magic_gettaint),
5061 MEMBER_TO_FPTR(Perl_magic_settaint),
abdc98d4
NC		 5062 0,
5063 0,
5064 0,
5065 0,
5066 0,
5067 0
4944113a
AL		 5068);
5069
5070MGVTBL_SET(
5071 PL_vtbl_substr,
5072 MEMBER_TO_FPTR(Perl_magic_getsubstr),
5073 MEMBER_TO_FPTR(Perl_magic_setsubstr),
abdc98d4
NC		 5074 0,
5075 0,
5076 0,
5077 0,
5078 0,
5079 0
4944113a
AL		 5080);
5081
5082MGVTBL_SET(
5083 PL_vtbl_vec,
5084 MEMBER_TO_FPTR(Perl_magic_getvec),
5085 MEMBER_TO_FPTR(Perl_magic_setvec),
abdc98d4
NC		 5086 0,
5087 0,
5088 0,
5089 0,
5090 0,
5091 0
4944113a
AL		 5092);
5093
5094MGVTBL_SET(
5095 PL_vtbl_pos,
5096 MEMBER_TO_FPTR(Perl_magic_getpos),
5097 MEMBER_TO_FPTR(Perl_magic_setpos),
abdc98d4
NC		 5098 0,
5099 0,
5100 0,
5101 0,
5102 0,
5103 0
4944113a
AL		 5104);
5105
5106MGVTBL_SET(
5107 PL_vtbl_bm,
abdc98d4 5108 0,
488344d2 5109 MEMBER_TO_FPTR(Perl_magic_setregexp),
abdc98d4
NC		 5110 0,
5111 0,
5112 0,
5113 0,
5114 0,
5115 0
4944113a
AL		 5116);
5117
5118MGVTBL_SET(
5119 PL_vtbl_fm,
abdc98d4 5120 0,
488344d2 5121 MEMBER_TO_FPTR(Perl_magic_setregexp),
abdc98d4
NC		 5122 0,
5123 0,
5124 0,
5125 0,
5126 0,
5127 0
4944113a
AL		 5128);
5129
5130MGVTBL_SET(
5131 PL_vtbl_uvar,
5132 MEMBER_TO_FPTR(Perl_magic_getuvar),
5133 MEMBER_TO_FPTR(Perl_magic_setuvar),
abdc98d4
NC		 5134 0,
5135 0,
5136 0,
5137 0,
5138 0,
5139 0
4944113a
AL		 5140);
5141
5142MGVTBL_SET(
5143 PL_vtbl_defelem,
5144 MEMBER_TO_FPTR(Perl_magic_getdefelem),
5145 MEMBER_TO_FPTR(Perl_magic_setdefelem),
abdc98d4
NC		 5146 0,
5147 0,
5148 0,
5149 0,
5150 0,
5151 0
4944113a
AL		 5152);
5153
5154MGVTBL_SET(
5155 PL_vtbl_regexp,
abdc98d4 5156 0,
4944113a 5157 MEMBER_TO_FPTR(Perl_magic_setregexp),
abdc98d4
NC		 5158 0,
5159 0,
288b8c02 5160 0,
abdc98d4
NC		 5161 0,
5162 0,
5163 0
4944113a
AL		 5164);
5165
5166MGVTBL_SET(
5167 PL_vtbl_regdata,
abdc98d4
NC		 5168 0,
5169 0,
4944113a 5170 MEMBER_TO_FPTR(Perl_magic_regdata_cnt),
abdc98d4
NC		 5171 0,
5172 0,
5173 0,
5174 0,
5175 0
4944113a
AL		 5176);
5177
5178MGVTBL_SET(
5179 PL_vtbl_regdatum,
5180 MEMBER_TO_FPTR(Perl_magic_regdatum_get),
5181 MEMBER_TO_FPTR(Perl_magic_regdatum_set),
abdc98d4
NC		 5182 0,
5183 0,
5184 0,
5185 0,
5186 0,
5187 0
4944113a
AL		 5188);
5189
5190MGVTBL_SET(
5191 PL_vtbl_amagic,
abdc98d4 5192 0,
4944113a 5193 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5194 0,
5195 0,
4944113a 5196 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5197 0,
5198 0,
5199 0
4944113a
AL		 5200);
5201
5202MGVTBL_SET(
5203 PL_vtbl_amagicelem,
abdc98d4 5204 0,
4944113a 5205 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5206 0,
5207 0,
4944113a 5208 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5209 0,
5210 0,
5211 0
4944113a
AL		 5212);
5213
5214MGVTBL_SET(
5215 PL_vtbl_backref,
abdc98d4
NC		 5216 0,
5217 0,
5218 0,
5219 0,
4944113a 5220 MEMBER_TO_FPTR(Perl_magic_killbackrefs),
abdc98d4
NC		 5221 0,
5222 0,
5223 0
4944113a
AL		 5224);
5225
5226MGVTBL_SET(
5227 PL_vtbl_ovrld,
abdc98d4
NC		 5228 0,
5229 0,
5230 0,
5231 0,
4944113a 5232 MEMBER_TO_FPTR(Perl_magic_freeovrld),
abdc98d4
NC		 5233 0,
5234 0,
5235 0
4944113a
AL		 5236);
5237
5238MGVTBL_SET(
5239 PL_vtbl_utf8,
abdc98d4 5240 0,
4944113a 5241 MEMBER_TO_FPTR(Perl_magic_setutf8),
abdc98d4
NC		 5242 0,
5243 0,
5244 0,
5245 0,
5246 0,
5247 0
4944113a 5248);
36477c24 5249#ifdef USE_LOCALE_COLLATE
4944113a
AL		 5250MGVTBL_SET(
5251 PL_vtbl_collxfrm,
abdc98d4 5252 0,
4944113a 5253 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
abdc98d4
NC		 5254 0,
5255 0,
5256 0,
5257 0,
5258 0,
5259 0
4944113a 5260);
bbce6d69 5261#endif
a0d0e21e 5262
b3ca2e83
NC		 5263MGVTBL_SET(
5264 PL_vtbl_hintselem,
abdc98d4 5265 0,
b3ca2e83 5266 MEMBER_TO_FPTR(Perl_magic_sethint),
abdc98d4 5267 0,
b3ca2e83 5268 MEMBER_TO_FPTR(Perl_magic_clearhint),
abdc98d4
NC		 5269 0,
5270 0,
5271 0,
5272 0
b3ca2e83
NC		 5273);
5274
bab3dc31 5275#include "overload.h"
a0d0e21e 5276
73c4f7a1
GS		 5277END_EXTERN_C
5278
a6006777 5279struct am_table {
8175493d 5280 U32 flags;
eb160463 5281 U32 was_ok_sub;
a0d0e21e 5282 long was_ok_am;
a0d0e21e 5283 long fallback;
9bd87817 5284 CV* table[NofAMmeth];
a0d0e21e 5285};
a6006777 5286struct am_table_short {
8175493d 5287 U32 flags;
eb160463 5288 U32 was_ok_sub;
a6006777 5289 long was_ok_am;
a6006777 5290};
a0d0e21e 5291typedef struct am_table AMT;
a6006777 5292typedef struct am_table_short AMTS;
a0d0e21e
LW		 5293
5294#define AMGfallNEVER 1
5295#define AMGfallNO 2
5296#define AMGfallYES 3
5297
a6006777 5298#define AMTf_AMAGIC 1
32251b26 5299#define AMTf_OVERLOADED 2
a6006777 5300#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5301#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5302#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 5303#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
5304#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
5305#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 5306
32251b26 5307#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5308
5309/*
5310 * some compilers like to redefine cos et alia as faster
5311 * (and less accurate?) versions called F_cos et cetera (Quidquid
5312 * latine dictum sit, altum viditur.) This trick collides with
5313 * the Perl overloading (amg). The following #defines fool both.
5314 */
5315
5316#ifdef _FASTMATH
5317# ifdef atan2
5318# define F_atan2_amg atan2_amg
5319# endif
5320# ifdef cos
5321# define F_cos_amg cos_amg
5322# endif
5323# ifdef exp
5324# define F_exp_amg exp_amg
5325# endif
5326# ifdef log
5327# define F_log_amg log_amg
5328# endif
5329# ifdef pow
5330# define F_pow_amg pow_amg
5331# endif
5332# ifdef sin
5333# define F_sin_amg sin_amg
5334# endif
5335# ifdef sqrt
5336# define F_sqrt_amg sqrt_amg
5337# endif
5338#endif /* _FASTMATH */
5339
83ee9e09
GS		 5340#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5341 PERLDBf_NOOPT | PERLDBf_INTER | \
5342 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
b8fcbefe
NC		 5343 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5344 PERLDBf_SAVESRC)
925cfbb8 5345 /* No _NONAME, _GOTO */
83ee9e09
GS		 5346#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5347#define PERLDBf_LINE 0x02 /* Keep line # */
5348#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5349#define PERLDBf_INTER 0x08 /* Preserve more data for
5350 later inspections */
5351#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5352#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5353#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5354#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5355#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5356#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
b8fcbefe 5357#define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
c30d8139
NC		 5358#define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subrouties */
5359#define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
84902520 5360
3280af22
NIS		 5361#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5362#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5363#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5364#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5365#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5366#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5367#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5368#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5369#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5370#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
b8fcbefe 5371#define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC))
c30d8139
NC		 5372#define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS))
5373#define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID))
bbce6d69 5374
36477c24 5375#ifdef USE_LOCALE_NUMERIC
bbce6d69 5376
36477c24 5377#define SET_NUMERIC_STANDARD() \
ff4fed7c 5378 set_numeric_standard();
36477c24 5379
5380#define SET_NUMERIC_LOCAL() \
ff4fed7c 5381 set_numeric_local();
bbce6d69 5382
a98fe34d 5383#define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE)
2de3dbcc
JH		 5384#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
5385
5386#define IN_LOCALE \
923e4eb5 5387 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
2de3dbcc 5388
f93f4e46 5389#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 5390 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 5391 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 5392
5393#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 5394 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 5395 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 5396
5397#define RESTORE_NUMERIC_LOCAL() \
5398 if (was_local) SET_NUMERIC_LOCAL();
5399
5400#define RESTORE_NUMERIC_STANDARD() \
5401 if (was_standard) SET_NUMERIC_STANDARD();
5402
5b877257 5403#define Atof my_atof
097ee67d 5404
36477c24 5405#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5406
097ee67d
JH		 5407#define SET_NUMERIC_STANDARD() /**/
5408#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5409#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5410#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5411#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 5412#define RESTORE_NUMERIC_LOCAL() /**/
5413#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 5414#define Atof my_atof
ad3e0f90 5415#define IN_LOCALE_RUNTIME 0
bbce6d69 5416
36477c24 5417#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5418
079290de 5419#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5420# ifdef __hpux
5421# define strtoll __strtoll /* secret handshake */
5422# endif
c623ac67
GS		 5423# ifdef WIN64
5424# define strtoll _strtoi64 /* secret handshake */
5425# endif
079290de
GS		 5426# if !defined(Strtol) && defined(HAS_STRTOLL)
5427# define Strtol strtoll
ad551343 5428# endif
28e5dec8
JH		 5429# if !defined(Strtol) && defined(HAS_STRTOQ)
5430# define Strtol strtoq
5431# endif
ff935051 5432/* is there atoq() anywhere? */
15b99d39 5433#endif
079290de
GS		 5434#if !defined(Strtol) && defined(HAS_STRTOL)
5435# define Strtol strtol
5436#endif
5437#ifndef Atol
5438/* It would be more fashionable to use Strtol() to define atol()
5439 * (as is done for Atoul(), see below) but for backward compatibility
5440 * we just assume atol(). */
76b882ba 5441# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 5442# ifdef WIN64
5443# define atoll _atoi64 /* secret handshake */
5444# endif
76b882ba
JH		 5445# define Atol atoll
5446# else
5447# define Atol atol
5448# endif
cf2093f6
JH		 5449#endif
5450
55eb892c 5451#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5452# ifdef __hpux
5453# define strtoull __strtoull /* secret handshake */
5454# endif
c623ac67
GS		 5455# ifdef WIN64
5456# define strtoull _strtoui64 /* secret handshake */
5457# endif
ad551343 5458# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5459# define Strtoul strtoull
15b99d39 5460# endif
079290de
GS		 5461# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5462# define Strtoul strtouq
5463# endif
76d49b1c 5464/* is there atouq() anywhere? */
ad551343 5465#endif
079290de
GS		 5466#if !defined(Strtoul) && defined(HAS_STRTOUL)
5467# define Strtoul strtoul
cf2093f6 5468#endif
a5523c5b
JH		 5469#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5470# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5471#endif
079290de 5472#ifndef Atoul
d4c19fe8 5473# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5474#endif
cf2093f6 5475
760ac839 5476
06d86050
GS		 5477/* if these never got defined, they need defaults */
5478#ifndef PERL_SET_CONTEXT
5479# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5480#endif
5481
5482#ifndef PERL_GET_CONTEXT
5483# define PERL_GET_CONTEXT PERL_GET_INTERP
5484#endif
5485
5486#ifndef PERL_GET_THX
5487# define PERL_GET_THX ((void*)NULL)
5488#endif
5489
5490#ifndef PERL_SET_THX
5491# define PERL_SET_THX(t) NOOP
5492#endif
5493
a868473f
NIS		 5494#ifndef PERL_SCRIPT_MODE
5495#define PERL_SCRIPT_MODE "r"
5496#endif
5497
fba3b22e 5498/*
da927450
JH		 5499 * Some operating systems are stingy with stack allocation,
5500 * so perl may have to guard against stack overflow.
5501 */
5502#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5503#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5504#endif
5505
5506/*
5507 * Some nonpreemptive operating systems find it convenient to
5508 * check for asynchronous conditions after each op execution.
5509 * Keep this check simple, or it may slow down execution
5510 * massively.
5511 */
ce08f86c 5512
1d615522 5513#ifndef PERL_MICRO
4ffa73a3
JH		 5514# ifndef PERL_ASYNC_CHECK
5515# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
5516# endif
ce08f86c
NIS		 5517#endif
5518
da927450 5519#ifndef PERL_ASYNC_CHECK
1d615522 5520# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5521#endif
5522
5523/*
5524 * On some operating systems, a memory allocation may succeed,
5525 * but put the process too close to the system's comfort limit.
5526 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5527 * it to NULL.
5528 */
5529#ifndef PERL_ALLOC_CHECK
c2af87cb 5530#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5531#endif
5532
bd89102f
AD		 5533#ifdef HAS_SEM
5534# include <sys/ipc.h>
5535# include <sys/sem.h>
5536# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5537 union semun {
dbba660d
TC		 5538 int val;
5539 struct semid_ds *buf;
5540 unsigned short *array;
bd89102f
AD		 5541 };
5542# endif
5543# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5544# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5545 union gccbug_semun {
5546 int val;
5547 struct semid_ds *buf;
5548 unsigned short *array;
5549 char __dummy[5];
5550 };
5551# define semun gccbug_semun
5552# endif
bd89102f
AD		 5553# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5554# else
5555# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5556# ifdef EXTRA_F_IN_SEMUN_BUF
5557# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5558# else
5559# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5560# endif
bd89102f
AD		 5561# endif
5562# endif
bd89102f 5563#endif
49f531da 5564
89ca4ac7
JH		 5565/*
5566 * Boilerplate macros for initializing and accessing interpreter-local
5567 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 5568 * this, if you want to make the extension thread-safe. See
5569 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5570 * and perlxs.pod for more.
89ca4ac7
JH		 5571 *
5572 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5573 * 1. #define MY_CXT_KEY to a unique string, e.g.
5574 * "DynaLoader::_guts" XS_VERSION
f16dd614 5575 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5576 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5577 * all the data that needs to be interpreter-local.
5578 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5579 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5580 * (typically put in the BOOT: section).
5581 * 5. Use the members of the my_cxt_t structure everywhere as
5582 * MY_CXT.member.
5583 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5584 * access MY_CXT.
5585 */
5586
fc958cd2 5587#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 5588
53d44271
JH		 5589#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5590
5591/* This must appear in all extensions that define a my_cxt_t structure,
5592 * right after the definition (i.e. at file scope). The non-threads
5593 * case below uses it to declare the data as static. */
5594#define START_MY_CXT
5595#define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5596
5597/* Creates and zeroes the per-interpreter data.
5598 * (We allocate my_cxtp in a Perl SV so that it will be released when
5599 * the interpreter goes away.) */
5600#define MY_CXT_INIT \
5601 my_cxt_t *my_cxtp = \
5602 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_KEY, sizeof(my_cxt_t))
5603#define MY_CXT_INIT_INTERP(my_perl) \
5604 my_cxt_t *my_cxtp = \
5605 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_KEY, sizeof(my_cxt_t))
5606
5607/* This declaration should be used within all functions that use the
5608 * interpreter-local data. */
5609#define dMY_CXT \
5610 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
5611#define dMY_CXT_INTERP(my_perl) \
5612 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5613
5614/* Clones the per-interpreter data. */
5615#define MY_CXT_CLONE \
5616 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5617 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5618 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5619
5620#else /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
5621
89ca4ac7
JH		 5622/* This must appear in all extensions that define a my_cxt_t structure,
5623 * right after the definition (i.e. at file scope). The non-threads
5624 * case below uses it to declare the data as static. */
f16dd614 5625#define START_MY_CXT static int my_cxt_index = -1;
89ca4ac7
JH		 5626
5627/* This declaration should be used within all functions that use the
5628 * interpreter-local data. */
5629#define dMY_CXT \
f16dd614
DM		 5630 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[my_cxt_index]
5631#define dMY_CXT_INTERP(my_perl) \
5632 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[my_cxt_index]
89ca4ac7
JH		 5633
5634/* Creates and zeroes the per-interpreter data.
5635 * (We allocate my_cxtp in a Perl SV so that it will be released when
5636 * the interpreter goes away.) */
5637#define MY_CXT_INIT \
f16dd614
DM		 5638 my_cxt_t *my_cxtp = \
5639 (my_cxt_t*)Perl_my_cxt_init(aTHX_ &my_cxt_index, sizeof(my_cxt_t))
5640#define MY_CXT_INIT_INTERP(my_perl) \
5641 my_cxt_t *my_cxtp = \
5642 (my_cxt_t*)Perl_my_cxt_init(my_perl, &my_cxt_index, sizeof(my_cxt_t))
89ca4ac7 5643
8fba5d14
MHM		 5644/* Clones the per-interpreter data. */
5645#define MY_CXT_CLONE \
8fba5d14 5646 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
f16dd614
DM		 5647 Copy(PL_my_cxt_list[my_cxt_index], my_cxtp, 1, my_cxt_t);\
5648 PL_my_cxt_list[my_cxt_index] = my_cxtp \
8fba5d14 5649
53d44271
JH		 5650#endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
5651
89ca4ac7
JH		 5652/* This macro must be used to access members of the my_cxt_t structure.
5653 * e.g. MYCXT.some_data */
5654#define MY_CXT (*my_cxtp)
5655
5656/* Judicious use of these macros can reduce the number of times dMY_CXT
5657 * is used. Use is similar to pTHX, aTHX etc. */
5658#define pMY_CXT my_cxt_t *my_cxtp
5659#define pMY_CXT_ pMY_CXT,
5660#define _pMY_CXT ,pMY_CXT
5661#define aMY_CXT my_cxtp
5662#define aMY_CXT_ aMY_CXT,
5663#define _aMY_CXT ,aMY_CXT
5664
f16dd614 5665#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7
JH		 5666
5667#define START_MY_CXT static my_cxt_t my_cxt;
5668#define dMY_CXT_SV dNOOP
5669#define dMY_CXT dNOOP
9568a123 5670#define dMY_CXT_INTERP(my_perl) dNOOP
89ca4ac7 5671#define MY_CXT_INIT NOOP
8fba5d14 5672#define MY_CXT_CLONE NOOP
89ca4ac7
JH		 5673#define MY_CXT my_cxt
5674
5675#define pMY_CXT void
5676#define pMY_CXT_
5677#define _pMY_CXT
5678#define aMY_CXT
5679#define aMY_CXT_
5680#define _aMY_CXT
5681
f16dd614 5682#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5683
9a34ef1d
GS		 5684#ifdef I_FCNTL
5685# include <fcntl.h>
9a34ef1d
GS		 5686#endif
5687
9cffb111
OS		 5688#ifdef __Lynx__
5689# include <fcntl.h>
5690#endif
5691
9a34ef1d
GS		 5692#ifdef I_SYS_FILE
5693# include <sys/file.h>
5694#endif
5695
fa0a29af 5696#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5697int flock(int fd, int op);
5698#endif
5699
fe52b3b7
GS		 5700#ifndef O_RDONLY
5701/* Assume UNIX defaults */
5702# define O_RDONLY 0000
5703# define O_WRONLY 0001
5704# define O_RDWR 0002
5705# define O_CREAT 0100
5706#endif
9a34ef1d 5707
16fe6d59
GS		 5708#ifndef O_BINARY
5709# define O_BINARY 0
5710#endif
5711
5712#ifndef O_TEXT
5713# define O_TEXT 0
5714#endif
5715
6ce75a77
JH		 5716#if O_TEXT != O_BINARY
5717 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5718 * that is, you are somehow DOSish. */
df00ff3b
IW		 5719# if defined(__BEOS__) || defined(__HAIKU__) || defined(__VOS__) || \
5720 defined(__CYGWIN__)
5721 /* BeOS/Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5722 * BeOS/Haiku is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5723 /* VOS has O_TEXT != O_BINARY, and they have effect,
5724 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5725 /* If you have O_TEXT different from your O_BINARY but you still are
5726 * not a CRLF shop. */
35990314 5727# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5728# else
5729 /* If you really are DOSish. */
5730# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5731# endif
5732#endif
5733
4bc88a62
PS		 5734#ifdef I_LIBUTIL
5735# include <libutil.h> /* setproctitle() in some FreeBSDs */
5736#endif
5737
b4748376 5738#ifndef EXEC_ARGV_CAST
360ea906 5739#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 5740#endif
5741
dd5dc04f
JH		 5742#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5743 int). value returned in pointed-
5744 to UV */
5745#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5746#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5747#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5748#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5749#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5750
5751#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5752
53305cf1
NC		 5753/* Input flags: */
5754#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5755#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5756#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 5757/* Output flags: */
5758#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5759
2c4f7f0e
DM		 5760/* to let user control profiling */
5761#ifdef PERL_GPROF_CONTROL
5762extern void moncontrol(int);
5763#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5764#else
5765#define PERL_GPROF_MONCONTROL(x)
5766#endif
5767
ae0e3d3b
JH		 5768#ifdef UNDER_CE
5769#include "wince.h"
5770#endif
5771
5772/* ISO 6429 NEL - C1 control NExt Line */
5773/* See http://www.unicode.org/unicode/reports/tr13/ */
5774#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
5775# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
5776# define NEXT_LINE_CHAR 0x15
5777# else /* CDRA */
5778# define NEXT_LINE_CHAR 0x25
5779# endif
5780#else
5781# define NEXT_LINE_CHAR 0x85
5782#endif
5783
5784/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5785#define UNICODE_LINE_SEPA_0 0xE2
5786#define UNICODE_LINE_SEPA_1 0x80
5787#define UNICODE_LINE_SEPA_2 0xA8
5788#define UNICODE_PARA_SEPA_0 0xE2
5789#define UNICODE_PARA_SEPA_1 0x80
5790#define UNICODE_PARA_SEPA_2 0xA9
5791
479b2847
GS		 5792#ifndef PIPESOCK_MODE
5793# define PIPESOCK_MODE
5794#endif
5795
460c8493
IZ		 5796#ifndef SOCKET_OPEN_MODE
5797# define SOCKET_OPEN_MODE PIPESOCK_MODE
5798#endif
5799
5800#ifndef PIPE_OPEN_MODE
5801# define PIPE_OPEN_MODE PIPESOCK_MODE
5802#endif
5803
7e8c5dac
HS		 5804#define PERL_MAGIC_UTF8_CACHESIZE 2
5805
a05d7ebb
JH		 5806#define PERL_UNICODE_STDIN_FLAG 0x0001
5807#define PERL_UNICODE_STDOUT_FLAG 0x0002
5808#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5809#define PERL_UNICODE_IN_FLAG 0x0008
5810#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5811#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5812#define PERL_UNICODE_LOCALE_FLAG 0x0040
5813#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 5814#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 5815
06e66572
JH		 5816#define PERL_UNICODE_STD_FLAG \
5817 (PERL_UNICODE_STDIN_FLAG | \
5818 PERL_UNICODE_STDOUT_FLAG | \
5819 PERL_UNICODE_STDERR_FLAG)
5820
5821#define PERL_UNICODE_INOUT_FLAG \
5822 (PERL_UNICODE_IN_FLAG | \
5823 PERL_UNICODE_OUT_FLAG)
5824
5825#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5826 (PERL_UNICODE_STD_FLAG | \
5827 PERL_UNICODE_INOUT_FLAG | \
5828 PERL_UNICODE_LOCALE_FLAG)
5829
5a22a2bb 5830#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 5831
5832#define PERL_UNICODE_STDIN 'I'
5833#define PERL_UNICODE_STDOUT 'O'
5834#define PERL_UNICODE_STDERR 'E'
5835#define PERL_UNICODE_STD 'S'
5836#define PERL_UNICODE_IN 'i'
5837#define PERL_UNICODE_OUT 'o'
5838#define PERL_UNICODE_INOUT 'D'
5839#define PERL_UNICODE_ARGV 'A'
5840#define PERL_UNICODE_LOCALE 'L'
5841#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 5842#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 5843
4ffa73a3
JH		 5844#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5845
16bd9a85
JH		 5846/* From sigaction(2) (FreeBSD man page):
5847 * | Signal routines normally execute with the signal that
5848 * | caused their invocation blocked, but other signals may
5849 * | yet occur.
5850 * Emulation of this behavior (from within Perl) is enabled
5851 * by defining PERL_BLOCK_SIGNALS.
5852 */
5853#define PERL_BLOCK_SIGNALS
5854
5855#if defined(HAS_SIGPROCMASK) && defined(PERL_BLOCK_SIGNALS)
5856# define PERL_BLOCKSIG_ADD(set,sig) \
5857 sigset_t set; sigemptyset(&(set)); sigaddset(&(set), sig)
5858# define PERL_BLOCKSIG_BLOCK(set) \
5859 sigprocmask(SIG_BLOCK, &(set), NULL)
5860# define PERL_BLOCKSIG_UNBLOCK(set) \
5861 sigprocmask(SIG_UNBLOCK, &(set), NULL)
5862#endif /* HAS_SIGPROCMASK && PERL_BLOCK_SIGNALS */
5863
5864/* How about the old style of sigblock()? */
5865
5866#ifndef PERL_BLOCKSIG_ADD
5867# define PERL_BLOCKSIG_ADD(set, sig) NOOP
5868#endif
5869#ifndef PERL_BLOCKSIG_BLOCK
5870# define PERL_BLOCKSIG_BLOCK(set) NOOP
5871#endif
2bfba5f0 5872#ifndef PERL_BLOCKSIG_UNBLOCK
16bd9a85
JH		 5873# define PERL_BLOCKSIG_UNBLOCK(set) NOOP
5874#endif
5875
32fdb065 5876/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5877 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5878#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5879
3c0f78ca
JH		 5880#if defined(__DECC) && defined(__osf__)
5881#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 5882#endif
5883
e4dba786
NC		 5884#define do_open(g, n, l, a, rm, rp, sf) \
5885 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 5886#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 5887# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 5888#endif
15871fce
NC		 5889#ifdef OS2
5890# define do_aexec Perl_do_aexec
5891#else
5892# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 5893#endif
e4dba786 5894
2f3efc97
JH		 5895#if defined(OEMVS)
5896#define NO_ENV_ARRAY_IN_MAIN
5897#endif
5898
10edeb5d
JH		 5899/* These are used by Perl_pv_escape() and Perl_pv_pretty()
5900 * are here so that they are available throughout the core
5901 * NOTE that even though some are for _escape and some for _pretty
5902 * there must not be any clashes as the flags from _pretty are
5903 * passed straight through to _escape.
5904 */
5905
5906#define PERL_PV_ESCAPE_QUOTE 0x0001
5907#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
5908
95b611b0 5909#define PERL_PV_PRETTY_ELLIPSES 0x0002
10edeb5d
JH		 5910#define PERL_PV_PRETTY_LTGT 0x0004
5911
5912#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
5913
5914#define PERL_PV_ESCAPE_UNI 0x0100
5915#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
5916
5917#define PERL_PV_ESCAPE_ALL 0x1000
5918#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
5919#define PERL_PV_ESCAPE_NOCLEAR 0x4000
44a2ac75 5920#define PERL_PV_ESCAPE_RE 0x8000
10edeb5d 5921
881a015e
NC		 5922#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
5923
10edeb5d 5924/* used by pv_display in dump.c*/
95b611b0
RGS		 5925#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
5926#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE
10edeb5d
JH		 5927
5928/*
5929
5930 (KEEP THIS LAST IN perl.h!)
5931
5932 Mention
d460ef45 5933
43999f95 5934 NV_PRESERVES_UV
fe749a9f 5935
fe749a9f
JH		 5936 HAS_MKSTEMP
5937 HAS_MKSTEMPS
5938 HAS_MKDTEMP
5939
49dabb45
JH		 5940 HAS_GETCWD
5941
d59b5429 5942 HAS_MMAP
fe749a9f
JH		 5943 HAS_MPROTECT
5944 HAS_MSYNC
1e8c3fde 5945 HAS_MADVISE
fe749a9f
JH		 5946 HAS_MUNMAP
5947 I_SYSMMAN
5948 Mmap_t
5949
6b4667fc
A		 5950 NVef
5951 NVff
5952 NVgf
5953
4e0554ec 5954 HAS_UALARM
2d736872 5955 HAS_USLEEP
4e0554ec
JH		 5956
5957 HAS_SETITIMER
5958 HAS_GETITIMER
5959
5960 HAS_SENDMSG
5961 HAS_RECVMSG
5962 HAS_READV
5963 HAS_WRITEV
5964 I_SYSUIO
5965 HAS_STRUCT_MSGHDR
5966 HAS_STRUCT_CMSGHDR
5967
2765b840 5968 HAS_NL_LANGINFO
0a7020c9 5969
ae0e3d3b 5970 HAS_DIRFD
2765b840 5971
10edeb5d 5972 so that Configure picks them up.
ab3bbdeb 5973
10edeb5d 5974 (KEEP THIS LAST IN perl.h!)
3df15adc 5975
10edeb5d 5976*/
3df15adc 5977
85e6fe83 5978#endif /* Include guard */
e9a8c099 5979
ab69dbc2 5980#define CLEAR_ERRSV() STMT_START { sv_setpvn(ERRSV,"",0); if (SvMAGICAL(ERRSV)) { mg_free(ERRSV); } SvPOK_only(ERRSV); } STMT_END
8433848b 5981
e9a8c099
MHM		 5982/*
5983 * Local variables:
5984 * c-indentation-style: bsd
5985 * c-basic-offset: 4
5986 * indent-tabs-mode: t
5987 * End:
5988 *
5989 * ex: set ts=8 sts=4 sw=4 noet:
5990 */
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