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Add Weed out needless PERL_UNUSED_ARG to perltodo. It's a good
[perl5.git] / perl.h
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a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
7272f7c1 4 * 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 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
27da23d5
JH		 130#ifdef PERL_GLOBAL_STRUCT
131# ifndef PERL_GET_VARS
132# ifdef PERL_GLOBAL_STRUCT_PRIVATE
133 extern struct perl_vars* Perl_GetVarsPrivate();
134# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
135# ifndef PERLIO_FUNCS_CONST
136# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
137# endif
138# else
139# define PERL_GET_VARS() PL_VarsPtr
140# endif
141# endif
142#endif
143
7a89be66 144#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH		 145
146#ifdef PERL_GLOBAL_STRUCT
147# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
148#else
149# define dVAR dNOOP
150#endif
151
c5be433b 152#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 153# ifndef MULTIPLICITY
154# define MULTIPLICITY
c5be433b 155# endif
e8dda941 156# define tTHX PerlInterpreter*
5ba4cab2 157# define pTHX register tTHX my_perl PERL_UNUSED_DECL
3db8f154 158# define aTHX my_perl
27da23d5 159# ifdef PERL_GLOBAL_STRUCT
e8dda941 160# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 161# else
e8dda941 162# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH		 163# endif
164# ifdef PERL_GLOBAL_STRUCT
165# define dTHX dVAR; pTHX = PERL_GET_THX
166# else
167# define dTHX pTHX = PERL_GET_THX
168# endif
c5be433b 169# define pTHX_ pTHX,
c5be433b 170# define aTHX_ aTHX,
4373e329 171# define pTHX_1 2
894356b3
GS		 172# define pTHX_2 3
173# define pTHX_3 4
174# define pTHX_4 5
4373e329
AL		 175# define pTHX_5 6
176# define pTHX_6 7
a3b680e6
AL		 177# define pTHX_7 8
178# define pTHX_8 9
179# define pTHX_9 10
e8dda941
JD		 180# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
181# define PERL_TRACK_MEMPOOL
182# endif
183#else
184# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 185#endif
186
76e3520e
GS		 187#define STATIC static
188#define CPERLscope(x) x
565764a8 189#define CPERLarg void
76e3520e 190#define CPERLarg_
e3b8966e 191#define _CPERLarg
1d583055
GS		 192#define PERL_OBJECT_THIS
193#define _PERL_OBJECT_THIS
194#define PERL_OBJECT_THIS_
312caa8e 195#define CALL_FPTR(fptr) (*fptr)
76e3520e 196
312caa8e 197#define CALLRUNOPS CALL_FPTR(PL_runops)
f9f4320a 198
3ab4a224 199#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 200
3ab4a224
AB		 201#define CALLREGCOMP_ENG(prog, sv, flags) \
202 CALL_FPTR(((prog)->comp))(aTHX_ sv, flags)
f9f4320a 203#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
07bc277f 204 CALL_FPTR(RX_ENGINE(prog)->exec)(aTHX_ (prog),(stringarg),(strend), \
f9f4320a
YO		 205 (strbeg),(minend),(screamer),(data),(flags))
206#define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \
07bc277f 207 CALL_FPTR(RX_ENGINE(prog)->intuit)(aTHX_ (prog), (sv), (strpos), \
f9f4320a
YO		 208 (strend),(flags),(data))
209#define CALLREG_INTUIT_STRING(prog) \
07bc277f 210 CALL_FPTR(RX_ENGINE(prog)->checkstr)(aTHX_ (prog))
f8149455 211
f8149455
YO		 212#define CALLREGFREE(prog) \
213 Perl_pregfree(aTHX_ (prog))
214
215#define CALLREGFREE_PVT(prog) \
07bc277f 216 if(prog) CALL_FPTR(RX_ENGINE(prog)->free)(aTHX_ (prog))
f8149455 217
2fdbfb4d 218#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
07bc277f 219 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_FETCH)(aTHX_ (rx),(paren),(usesv))
93b32b6d 220
2fdbfb4d 221#define CALLREG_NUMBUF_STORE(rx,paren,value) \
07bc277f 222 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_STORE)(aTHX_ (rx),(paren),(value))
2fdbfb4d
AB		 223
224#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
07bc277f 225 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_LENGTH)(aTHX_ (rx),(sv),(paren))
2fdbfb4d 226
192b9cd1 227#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
07bc277f 228 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
192b9cd1
AB		 229
230#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
07bc277f 231 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
192b9cd1
AB		 232
233#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
07bc277f 234 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB		 235
236#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
07bc277f 237 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB		 238
239#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
07bc277f 240 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB		 241
242#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
07bc277f 243 CALL_FPTR(RX_ENGINE(rx)->named_buff_iter)(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB		 244
245#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
07bc277f 246 CALL_FPTR(RX_ENGINE(rx)->named_buff_iter)(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB		 247
248#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
07bc277f 249 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
AB		 250
251#define CALLREG_NAMED_BUFF_COUNT(rx) \
07bc277f 252 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
192b9cd1
AB		 253
254#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
07bc277f 255 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 256
49d7dfbc 257#define CALLREG_PACKAGE(rx) \
07bc277f 258 CALL_FPTR(RX_ENGINE(rx)->qr_package)(aTHX_ (rx))
93b32b6d 259
f9f4320a
YO		 260#if defined(USE_ITHREADS)
261#define CALLREGDUPE(prog,param) \
f8149455
YO		 262 Perl_re_dup(aTHX_ (prog),(param))
263
264#define CALLREGDUPE_PVT(prog,param) \
07bc277f 265 (prog ? CALL_FPTR(RX_ENGINE(prog)->dupe)(aTHX_ (prog),(param)) \
f9f4320a
YO		 266 : (REGEXP *)NULL)
267#endif
14dd3ad8 268
a20207d7 269
bcdf7404 270
a20207d7
YO		 271
272
5ba4cab2
SH		 273/*
274 * Because of backward compatibility reasons the PERL_UNUSED_DECL
275 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
276 *
277 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 278 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 279 * marking unused variables (they need e.g. a #pragma) and therefore
280 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
281 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
282 *
283 */
1266ad8c 284
9969cdde 285#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 286# ifdef __cplusplus
5ba4cab2 287# define PERL_UNUSED_DECL
5b2bd0a5 288# else
5ba4cab2 289# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 290# endif
291#endif
44dbb695 292
5b2bd0a5 293#ifndef PERL_UNUSED_DECL
34659ad4 294# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 295# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 296# else
5ba4cab2 297# define PERL_UNUSED_DECL
b79c357a 298# endif
5b2bd0a5
AMS		 299#endif
300
349b520e
DM		 301/* gcc -Wall:
302 * for silencing unused variables that are actually used most of the time,
a0288114 303 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 304 */
53c1dcc0 305#ifndef PERL_UNUSED_ARG
c99ffe5e 306# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 307# include <note.h>
53c1dcc0 308# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 309# else
53c1dcc0 310# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 311# endif
312#endif
53c1dcc0
AL		 313#ifndef PERL_UNUSED_VAR
314# define PERL_UNUSED_VAR(x) ((void)x)
315#endif
ad73156c 316
96a5add6
AL		 317#ifdef USE_ITHREADS
318# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
319#else
320# define PERL_UNUSED_CONTEXT
321#endif
322
6f207bd3 323#define NOOP /*EMPTY*/(void)0
6b484a99
JH		 324#if !defined(HASATTRIBUTE_UNUSED) && defined(__cplusplus)
325#define dNOOP /*EMPTY*/(void)0 /* Older g++ has no __attribute((unused))__ */
326#else
6f207bd3 327#define dNOOP extern int /*@unused@*/ Perl___notused PERL_UNUSED_DECL
6b484a99 328#endif
71be2cbc 329
0cb96387 330#ifndef pTHX
e8dda941
JD		 331/* Don't bother defining tTHX and sTHX; using them outside
332 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
333 */
0cb96387
GS		 334# define pTHX void
335# define pTHX_
0cb96387
GS		 336# define aTHX
337# define aTHX_
0cb96387
GS		 338# define dTHXa(a) dNOOP
339# define dTHX dNOOP
894356b3
GS		 340# define pTHX_1 1
341# define pTHX_2 2
342# define pTHX_3 3
343# define pTHX_4 4
3d42dc86
RGS		 344# define pTHX_5 5
345# define pTHX_6 6
a3b680e6
AL		 346# define pTHX_7 7
347# define pTHX_8 8
348# define pTHX_9 9
0cb96387
GS		 349#endif
350
27da23d5
JH		 351#ifndef dVAR
352# define dVAR dNOOP
353#endif
354
b4f7f263
GS		 355/* these are only defined for compatibility; should not be used internally */
356#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 357# define pTHXo pTHX
358# define pTHXo_ pTHX_
0cb96387
GS		 359# define aTHXo aTHX
360# define aTHXo_ aTHX_
c5be433b 361# define dTHXo dTHX
71d280e3 362# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 363#endif
364
365#ifndef pTHXx
366# define pTHXx register PerlInterpreter *my_perl
367# define pTHXx_ pTHXx,
0cb96387
GS		 368# define aTHXx my_perl
369# define aTHXx_ aTHXx,
c5be433b 370# define dTHXx dTHX
22c35a8c 371#endif
71be2cbc 372
1de7c2ac
GS		 373/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
374 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
375 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
376#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 377# ifdef PERL_GLOBAL_STRUCT_PRIVATE
378# define dTHXs dVAR; dTHX
379# else
380# define dTHXs dTHX
381# endif
1de7c2ac 382#else
27da23d5
JH		 383# ifdef PERL_GLOBAL_STRUCT_PRIVATE
384# define dTHXs dVAR
385# else
386# define dTHXs dNOOP
387# endif
1de7c2ac
GS		 388#endif
389
326b05e3
GS		 390#undef START_EXTERN_C
391#undef END_EXTERN_C
392#undef EXTERN_C
32f822de
GS		 393#ifdef __cplusplus
394# define START_EXTERN_C extern "C" {
395# define END_EXTERN_C }
396# define EXTERN_C extern "C"
397#else
d460ef45
NIS		 398# define START_EXTERN_C
399# define END_EXTERN_C
73c4f7a1 400# define EXTERN_C extern
32f822de
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
JH		 432 * g++ allows them but seems to have problems with them
433 * (insane errors ensue). */
434#if defined(PERL_GCC_PEDANTIC) || (defined(__GNUC__) && defined(__cplusplus))
5b692037 435# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 436# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
437# endif
5dc8bdac
JH		 438#endif
439
5b692037
JH		 440#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
441# ifndef PERL_USE_GCC_BRACE_GROUPS
442# define PERL_USE_GCC_BRACE_GROUPS
443# endif
444#endif
445
728e2803 446/*
447 * STMT_START { statements; } STMT_END;
448 * can be used as a single statement, as in
449 * if (x) STMT_START { ... } STMT_END; else ...
450 *
451 * Trying to select a version that gives no warnings...
452 */
453#if !(defined(STMT_START) && defined(STMT_END))
5b692037 454# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 455# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 456# define STMT_END )
457# else
458 /* Now which other defined()s do we need here ??? */
93189314 459# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 460# define STMT_START if (1)
461# define STMT_END else (void)0
462# else
463# define STMT_START do
464# define STMT_END while (0)
465# endif
466# endif
467#endif
468
0cb96387 469#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 470#define WITH_THR(s) WITH_THX(s)
ea0efc06 471
d6f9c181
JH		 472#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
473# define BYTEORDER 0x1234
79072805
LW		 474#endif
475
476/* Overall memory policy? */
477#ifndef CONSERVATIVE
478# define LIBERAL 1
479#endif
480
8ada0baa
JH		 481#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
482#define ASCIIish
483#else
484#undef ASCIIish
485#endif
486
79072805
LW		 487/*
488 * The following contortions are brought to you on behalf of all the
489 * standards, semi-standards, de facto standards, not-so-de-facto standards
490 * of the world, as well as all the other botches anyone ever thought of.
491 * The basic theory is that if we work hard enough here, the rest of the
492 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
493 */
ac58e20f 494
ee0007ab 495/* define this once if either system, instead of cluttering up the src */
2986a63f 496#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 497#define DOSISH 1
498#endif
499
fb38d079 500#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 501# define STANDARD_C 1
502#endif
503
9969cdde 504#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 505# define DONT_DECLARE_STD 1
506#endif
507
352d5a3a 508#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 509# ifdef __cplusplus
cb69f87a 510# define VOL /* to temporarily suppress warnings */
79072805
LW		 511# else
512# define VOL volatile
513# endif
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
9969cdde 662#ifdef __SYMBIAN32__
27da23d5
JH		 663# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
664#endif
665
7114a2d2 666#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 667EXTERN_C int syscall(int, ...);
2ef53570
JH		 668#endif
669
7114a2d2 670#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 671EXTERN_C int usleep(unsigned int);
2ef53570
JH		 672#endif
673
9c12f1e5
RGS		 674/* Funky places that do not have socket stuff. */
675#if defined(__LIBCATAMOUNT__)
676# define MYSWAP
677#endif
678
9a34ef1d
GS		 679#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
680# define MYSWAP
681#endif
682
1109a392
MHM		 683#ifdef PERL_CORE
684
685/* macros for correct constant construction */
686# if INTSIZE >= 2
687# define U16_CONST(x) ((U16)x##U)
688# else
689# define U16_CONST(x) ((U16)x##UL)
690# endif
691
692# if INTSIZE >= 4
693# define U32_CONST(x) ((U32)x##U)
694# else
695# define U32_CONST(x) ((U32)x##UL)
696# endif
697
698# ifdef HAS_QUAD
699# if INTSIZE >= 8
700# define U64_CONST(x) ((U64)x##U)
701# elif LONGSIZE >= 8
702# define U64_CONST(x) ((U64)x##UL)
703# elif QUADKIND == QUAD_IS_LONG_LONG
704# define U64_CONST(x) ((U64)x##ULL)
705# else /* best guess we can make */
706# define U64_CONST(x) ((U64)x##UL)
707# endif
708# endif
709
710/* byte-swapping functions for big-/little-endian conversion */
711# define _swab_16_(x) ((U16)( \
712 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
713 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
714
715# define _swab_32_(x) ((U32)( \
716 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
717 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
718 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
719 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
720
721# ifdef HAS_QUAD
722# define _swab_64_(x) ((U64)( \
723 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
724 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
725 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
726 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
727 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
728 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
729 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
730 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
731# endif
732
733/*----------------------------------------------------------------------------*/
734# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
735/*----------------------------------------------------------------------------*/
736# define my_htole16(x) (x)
737# define my_letoh16(x) (x)
738# define my_htole32(x) (x)
739# define my_letoh32(x) (x)
740# define my_htobe16(x) _swab_16_(x)
741# define my_betoh16(x) _swab_16_(x)
742# define my_htobe32(x) _swab_32_(x)
743# define my_betoh32(x) _swab_32_(x)
744# ifdef HAS_QUAD
745# define my_htole64(x) (x)
746# define my_letoh64(x) (x)
747# define my_htobe64(x) _swab_64_(x)
748# define my_betoh64(x) _swab_64_(x)
749# endif
750# define my_htoles(x) (x)
751# define my_letohs(x) (x)
752# define my_htolei(x) (x)
753# define my_letohi(x) (x)
754# define my_htolel(x) (x)
755# define my_letohl(x) (x)
756# if SHORTSIZE == 1
757# define my_htobes(x) (x)
758# define my_betohs(x) (x)
759# elif SHORTSIZE == 2
760# define my_htobes(x) _swab_16_(x)
761# define my_betohs(x) _swab_16_(x)
762# elif SHORTSIZE == 4
763# define my_htobes(x) _swab_32_(x)
764# define my_betohs(x) _swab_32_(x)
765# elif SHORTSIZE == 8
766# define my_htobes(x) _swab_64_(x)
767# define my_betohs(x) _swab_64_(x)
768# else
769# define PERL_NEED_MY_HTOBES
770# define PERL_NEED_MY_BETOHS
771# endif
772# if INTSIZE == 1
773# define my_htobei(x) (x)
774# define my_betohi(x) (x)
775# elif INTSIZE == 2
776# define my_htobei(x) _swab_16_(x)
777# define my_betohi(x) _swab_16_(x)
778# elif INTSIZE == 4
779# define my_htobei(x) _swab_32_(x)
780# define my_betohi(x) _swab_32_(x)
781# elif INTSIZE == 8
782# define my_htobei(x) _swab_64_(x)
783# define my_betohi(x) _swab_64_(x)
784# else
785# define PERL_NEED_MY_HTOBEI
786# define PERL_NEED_MY_BETOHI
787# endif
788# if LONGSIZE == 1
789# define my_htobel(x) (x)
790# define my_betohl(x) (x)
791# elif LONGSIZE == 2
792# define my_htobel(x) _swab_16_(x)
793# define my_betohl(x) _swab_16_(x)
794# elif LONGSIZE == 4
795# define my_htobel(x) _swab_32_(x)
796# define my_betohl(x) _swab_32_(x)
797# elif LONGSIZE == 8
798# define my_htobel(x) _swab_64_(x)
799# define my_betohl(x) _swab_64_(x)
800# else
801# define PERL_NEED_MY_HTOBEL
802# define PERL_NEED_MY_BETOHL
803# endif
804# define my_htolen(p,n) NOOP
805# define my_letohn(p,n) NOOP
806# define my_htoben(p,n) my_swabn(p,n)
807# define my_betohn(p,n) my_swabn(p,n)
808/*----------------------------------------------------------------------------*/
809# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
810/*----------------------------------------------------------------------------*/
811# define my_htobe16(x) (x)
812# define my_betoh16(x) (x)
813# define my_htobe32(x) (x)
814# define my_betoh32(x) (x)
815# define my_htole16(x) _swab_16_(x)
816# define my_letoh16(x) _swab_16_(x)
817# define my_htole32(x) _swab_32_(x)
818# define my_letoh32(x) _swab_32_(x)
819# ifdef HAS_QUAD
820# define my_htobe64(x) (x)
821# define my_betoh64(x) (x)
822# define my_htole64(x) _swab_64_(x)
823# define my_letoh64(x) _swab_64_(x)
824# endif
825# define my_htobes(x) (x)
826# define my_betohs(x) (x)
827# define my_htobei(x) (x)
828# define my_betohi(x) (x)
829# define my_htobel(x) (x)
830# define my_betohl(x) (x)
831# if SHORTSIZE == 1
832# define my_htoles(x) (x)
833# define my_letohs(x) (x)
834# elif SHORTSIZE == 2
835# define my_htoles(x) _swab_16_(x)
836# define my_letohs(x) _swab_16_(x)
837# elif SHORTSIZE == 4
838# define my_htoles(x) _swab_32_(x)
839# define my_letohs(x) _swab_32_(x)
840# elif SHORTSIZE == 8
841# define my_htoles(x) _swab_64_(x)
842# define my_letohs(x) _swab_64_(x)
843# else
844# define PERL_NEED_MY_HTOLES
845# define PERL_NEED_MY_LETOHS
846# endif
847# if INTSIZE == 1
848# define my_htolei(x) (x)
849# define my_letohi(x) (x)
850# elif INTSIZE == 2
851# define my_htolei(x) _swab_16_(x)
852# define my_letohi(x) _swab_16_(x)
853# elif INTSIZE == 4
854# define my_htolei(x) _swab_32_(x)
855# define my_letohi(x) _swab_32_(x)
856# elif INTSIZE == 8
857# define my_htolei(x) _swab_64_(x)
858# define my_letohi(x) _swab_64_(x)
859# else
860# define PERL_NEED_MY_HTOLEI
861# define PERL_NEED_MY_LETOHI
862# endif
863# if LONGSIZE == 1
864# define my_htolel(x) (x)
865# define my_letohl(x) (x)
866# elif LONGSIZE == 2
867# define my_htolel(x) _swab_16_(x)
868# define my_letohl(x) _swab_16_(x)
869# elif LONGSIZE == 4
870# define my_htolel(x) _swab_32_(x)
871# define my_letohl(x) _swab_32_(x)
872# elif LONGSIZE == 8
873# define my_htolel(x) _swab_64_(x)
874# define my_letohl(x) _swab_64_(x)
875# else
876# define PERL_NEED_MY_HTOLEL
877# define PERL_NEED_MY_LETOHL
878# endif
879# define my_htolen(p,n) my_swabn(p,n)
880# define my_letohn(p,n) my_swabn(p,n)
881# define my_htoben(p,n) NOOP
882# define my_betohn(p,n) NOOP
883/*----------------------------------------------------------------------------*/
884# else /* all other byte-orders */
885/*----------------------------------------------------------------------------*/
886# define PERL_NEED_MY_HTOLE16
887# define PERL_NEED_MY_LETOH16
888# define PERL_NEED_MY_HTOBE16
889# define PERL_NEED_MY_BETOH16
890# define PERL_NEED_MY_HTOLE32
891# define PERL_NEED_MY_LETOH32
892# define PERL_NEED_MY_HTOBE32
893# define PERL_NEED_MY_BETOH32
894# ifdef HAS_QUAD
895# define PERL_NEED_MY_HTOLE64
896# define PERL_NEED_MY_LETOH64
897# define PERL_NEED_MY_HTOBE64
898# define PERL_NEED_MY_BETOH64
899# endif
900# define PERL_NEED_MY_HTOLES
901# define PERL_NEED_MY_LETOHS
902# define PERL_NEED_MY_HTOBES
903# define PERL_NEED_MY_BETOHS
904# define PERL_NEED_MY_HTOLEI
905# define PERL_NEED_MY_LETOHI
906# define PERL_NEED_MY_HTOBEI
907# define PERL_NEED_MY_BETOHI
908# define PERL_NEED_MY_HTOLEL
909# define PERL_NEED_MY_LETOHL
910# define PERL_NEED_MY_HTOBEL
911# define PERL_NEED_MY_BETOHL
912/*----------------------------------------------------------------------------*/
913# endif /* end of byte-order macros */
914/*----------------------------------------------------------------------------*/
915
9c17f24a
NC		 916/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
917 at least on FreeBSD. YMMV, so experiment. */
918#ifndef PERL_ARENA_SIZE
919#define PERL_ARENA_SIZE 4080
920#endif
921
ccb2c8b8 922/* Maximum level of recursion */
2b9dff67
RGS		 923#ifndef PERL_SUB_DEPTH_WARN
924#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 925#endif
926
1109a392
MHM		 927#endif /* PERL_CORE */
928
bdf3085f
NC		 929/* We no longer default to creating a new SV for GvSV.
930 Do this before embed. */
931#ifndef PERL_CREATE_GVSV
7459f06b
NC		 932# ifndef PERL_DONT_CREATE_GVSV
933# define PERL_DONT_CREATE_GVSV
934# endif
bdf3085f
NC		 935#endif
936
ca0c25f6
NC		 937#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
938#define PERL_USES_PL_PIDSTATUS
939#endif
940
a62746fa
RGS		 941#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__) && !defined(MACOS_TRADITIONAL)
942#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
943#endif
944
66a93824
NIS		 945/* Cannot include embed.h here on Win32 as win32.h has not
946 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
947 */
96e176bf 948#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 949# include "embed.h"
eb8433b7
NC		 950# ifndef PERL_MAD
951# undef op_getmad
b3f24c00 952# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 953# endif
cea2e8a9
GS		 954#endif
955
c31fac66
GS		 956#define MEM_SIZE Size_t
957
1936d2a7
NC		 958/* Round all values passed to malloc up, by default to a multiple of
959 sizeof(size_t)
960*/
961#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
962#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
963#endif
964
51371543
GS		 965#if defined(STANDARD_C) && defined(I_STDDEF)
966# include <stddef.h>
967# define STRUCT_OFFSET(s,m) offsetof(s,m)
968#else
969# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
970#endif
971
9969cdde 972#ifndef __SYMBIAN32__
27da23d5
JH		 973# if defined(I_STRING) || defined(__cplusplus)
974# include <string.h>
975# else
976# include <strings.h>
977# endif
51371543
GS		 978#endif
979
55497cff 980/* This comes after <stdlib.h> so we don't try to change the standard
981 * library prototypes; we'll use our own in proto.h instead. */
03a14243 982
4633a7c4 983#ifdef MYMALLOC
86058a2d 984# ifdef PERL_POLLUTE_MALLOC
ee13e175 985# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 986# define Perl_malloc malloc
987# define Perl_calloc calloc
988# define Perl_realloc realloc
989# define Perl_mfree free
ee13e175 990# endif
86058a2d
GS		 991# else
992# define EMBEDMYMALLOC /* for compatibility */
993# endif
827e134a 994
651b9576
GS		 995# define safemalloc Perl_malloc
996# define safecalloc Perl_calloc
997# define saferealloc Perl_realloc
998# define safefree Perl_mfree
22f7c9c9
JH		 999# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1000 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1001 code; \
1002 } STMT_END
1003# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1004 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1005# define panic_write2(s) write(2, s, strlen(s))
1006# define CHECK_MALLOC_TAINT(newval) \
1007 CHECK_MALLOC_TOO_LATE_FOR_( \
1008 if (newval) { \
1009 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1010 exit(1); })
22f7c9c9 1011# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1012 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 1013 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1014 }} STMT_END;
f2517201
GS		 1015#else /* MYMALLOC */
1016# define safemalloc safesysmalloc
1017# define safecalloc safesyscalloc
1018# define saferealloc safesysrealloc
1019# define safefree safesysfree
22f7c9c9
JH		 1020# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1021# define CHECK_MALLOC_TAINT(newval) ((void)0)
1022# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1023#endif /* MYMALLOC */
4633a7c4 1024
27da23d5 1025#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		 1026#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1027#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1028#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1029
a0d0e21e
LW		 1030#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1031#define strchr index
1032#define strrchr rindex
1033#endif
1034
16d20bd9
AD		 1035#ifdef I_MEMORY
1036# include <memory.h>
1037#endif
1038
fe14fcc3 1039#ifdef HAS_MEMCPY
85e6fe83 1040# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1041# ifndef memcpy
20ce7b12 1042 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 1043# endif
1044# endif
1045#else
1046# ifndef memcpy
1047# ifdef HAS_BCOPY
1048# define memcpy(d,s,l) bcopy(s,d,l)
1049# else
1050# define memcpy(d,s,l) my_bcopy(s,d,l)
1051# endif
1052# endif
1053#endif /* HAS_MEMCPY */
fe14fcc3 1054
ee0007ab 1055#ifdef HAS_MEMSET
85e6fe83 1056# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1057# ifndef memset
20ce7b12 1058 extern char *memset (char*, int, int);
ee0007ab
LW		 1059# endif
1060# endif
ee0007ab 1061#else
12ae5dfc 1062# undef memset
fc36a67e 1063# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1064#endif /* HAS_MEMSET */
1065
85e6fe83 1066#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1067# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1068# define memmove(d,s,l) bcopy(s,d,l)
1069# else
2304df62 1070# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1071# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1072# else
79072805 1073# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1074# endif
352d5a3a 1075# endif
d9d8d8de 1076#endif
ee0007ab 1077
36477c24 1078#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1079# undef HAS_MEMCMP
1080#endif
1081
1082#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1083# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1084# ifndef memcmp
20ce7b12 1085 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1086# endif
1087# endif
36477c24 1088# ifdef BUGGY_MSC
7e4e8c89 1089# pragma function(memcmp)
36477c24 1090# endif
ee0007ab
LW		 1091#else
1092# ifndef memcmp
ecfc5424 1093# define memcmp my_memcmp
352d5a3a 1094# endif
36477c24 1095#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1096
fc36a67e 1097#ifndef memzero
c635e13b 1098# ifdef HAS_MEMSET
1099# define memzero(d,l) memset(d,0,l)
79072805 1100# else
c635e13b 1101# ifdef HAS_BZERO
1102# define memzero(d,l) bzero(d,l)
79072805 1103# else
fc36a67e 1104# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1105# endif
1106# endif
d9d8d8de 1107#endif
378cc40b 1108
2f42fcb0 1109#ifndef PERL_MICRO
0f27ced1
JH		 1110#ifndef memchr
1111# ifndef HAS_MEMCHR
1112# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1113# endif
1114#endif
2f42fcb0 1115#endif
0f27ced1 1116
36477c24 1117#ifndef HAS_BCMP
1118# ifndef bcmp
1119# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1120# endif
36477c24 1121#endif /* !HAS_BCMP */
378cc40b 1122
ae986130 1123#ifdef I_NETINET_IN
79072805 1124# include <netinet/in.h>
ae986130
LW		 1125#endif
1126
28e8609d
JH		 1127#ifdef I_ARPA_INET
1128# include <arpa/inet.h>
1129#endif
1130
84902520
TB		 1131#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1132/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1133 * (the neo-BSD seem to do this). */
1134# undef SF_APPEND
1135#endif
1136
1aef975c 1137#ifdef I_SYS_STAT
84902520 1138# include <sys/stat.h>
1aef975c 1139#endif
79072805 1140
a0d0e21e
LW		 1141/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1142 like UTekV) are broken, sometimes giving false positives. Undefine
1143 them here and let the code below set them to proper values.
1144
1145 The ghs macro stands for GreenHills Software C-1.8.5 which
1146 is the C compiler for sysV88 and the various derivatives.
1147 This header file bug is corrected in gcc-2.5.8 and later versions.
1148 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1149
1150#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1151# undef S_ISDIR
1152# undef S_ISCHR
1153# undef S_ISBLK
1154# undef S_ISREG
1155# undef S_ISFIFO
1156# undef S_ISLNK
ee0007ab 1157#endif
135863df 1158
663a0e37
LW		 1159#ifdef I_TIME
1160# include <time.h>
ffed7fef 1161#endif
663a0e37 1162
fe14fcc3 1163#ifdef I_SYS_TIME
85e6fe83 1164# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1165# define KERNEL
1166# endif
1167# include <sys/time.h>
85e6fe83 1168# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1169# undef KERNEL
1170# endif
a687059c 1171#endif
135863df 1172
55497cff 1173#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1174# include <sys/times.h>
d9d8d8de 1175#endif
8d063cd8 1176
fe14fcc3 1177#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1178# undef HAS_STRERROR
663a0e37
LW		 1179#endif
1180
1181#include <errno.h>
1e743fda 1182
acfe0abc 1183#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1184# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1185#endif
1186
8cfab5ff
JH		 1187/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1188 * This is important for using IPv6.
1189 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1190 * a bad idea since it breaks send() and recv(). */
1191#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1192# define _SOCKADDR_LEN
1193#endif
1194
8d3f517a 1195#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1196# include <sys/socket.h>
1197# if defined(USE_SOCKS) && defined(I_SOCKS)
1198# if !defined(INCLUDE_PROTOTYPES)
1199# define INCLUDE_PROTOTYPES /* for <socks.h> */
1200# define PERL_SOCKS_NEED_PROTOTYPES
1201# endif
1202# include <socks.h>
1203# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1204# undef INCLUDE_PROTOTYPES
1205# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1206# endif
d460ef45 1207# endif
1e743fda 1208# ifdef I_NETDB
2986a63f
JH		 1209# ifdef NETWARE
1210# include<stdio.h>
1211# endif
1e743fda
JH		 1212# include <netdb.h>
1213# endif
1214# ifndef ENOTSOCK
1215# ifdef I_NET_ERRNO
1216# include <net/errno.h>
1217# endif
1218# endif
1219#endif
1220
fa0a29af 1221/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1222 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1223 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1224#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1225# if defined(__THROW) && defined(__GLIBC__)
1226int sockatmark(int) __THROW;
1227# else
2ef53570 1228int sockatmark(int);
29820b6d 1229# endif
2ef53570
JH		 1230#endif
1231
7e827271 1232#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		 1233EXTERN_C int fchdir(int);
1234EXTERN_C int flock(int, int);
1235EXTERN_C int fseeko(FILE *, off_t, int);
1236EXTERN_C off_t ftello(FILE *);
1237#endif
1238
7e827271 1239#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1240EXTERN_C char *crypt(const char *, const char *);
7e827271 1241EXTERN_C char **environ;
1ccb7c8d
JH		 1242#endif
1243
83a6ff2e 1244#if defined(__cplusplus)
944c4fda 1245# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1246EXTERN_C char **environ;
83a6ff2e 1247# elif defined(__CYGWIN__)
667e2948
SP		 1248EXTERN_C char *crypt(const char *, const char *);
1249#endif
83a6ff2e 1250#endif
667e2948 1251
1e743fda
JH		 1252#ifdef SETERRNO
1253# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1254#endif
f86702cc 1255
1256#ifdef VMS
1257# define SETERRNO(errcode,vmserrcode) \
1258 STMT_START { \
1259 set_errno(errcode); \
1260 set_vaxc_errno(vmserrcode); \
1261 } STMT_END
93189314
JH		 1262# define LIB_INVARG LIB$_INVARG
1263# define RMS_DIR RMS$_DIR
1264# define RMS_FAC RMS$_FAC
1265# define RMS_FEX RMS$_FEX
1266# define RMS_FNF RMS$_FNF
1267# define RMS_IFI RMS$_IFI
1268# define RMS_ISI RMS$_ISI
1269# define RMS_PRV RMS$_PRV
1270# define SS_ACCVIO SS$_ACCVIO
1271# define SS_DEVOFFLINE SS$_DEVOFFLINE
1272# define SS_IVCHAN SS$_IVCHAN
1273# define SS_NORMAL SS$_NORMAL
748a9306 1274#else
aba27d88 1275# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 1276# define LIB_INVARG 0
1277# define RMS_DIR 0
1278# define RMS_FAC 0
1279# define RMS_FEX 0
1280# define RMS_FNF 0
1281# define RMS_IFI 0
1282# define RMS_ISI 0
1283# define RMS_PRV 0
1284# define SS_ACCVIO 0
1285# define SS_DEVOFFLINE 0
1286# define SS_IVCHAN 0
1287# define SS_NORMAL 0
748a9306 1288#endif
ed6116ce 1289
3db8f154 1290#define ERRSV GvSV(PL_errgv)
e203899d
NC		 1291/* FIXME? Change the assignments to PL_defgv to instantiate GvSV? */
1292#define DEFSV GvSVn(PL_defgv)
3db8f154 1293#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1294
98eae8f5
GS		 1295#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1296
55497cff 1297#ifndef errno
5ff3f7a4
GS		 1298 extern int errno; /* ANSI allows errno to be an lvalue expr.
1299 * For example in multithreaded environments
1300 * something like this might happen:
1301 * extern int *_errno(void);
1302 * #define errno (*_errno()) */
d9d8d8de 1303#endif
663a0e37 1304
2304df62 1305#ifdef HAS_STRERROR
a0d0e21e 1306# ifdef VMS
20ce7b12 1307 char *strerror (int,...);
a0d0e21e 1308# else
68dc0745 1309#ifndef DONT_DECLARE_STD
20ce7b12 1310 char *strerror (int);
68dc0745 1311#endif
a0d0e21e 1312# endif
2304df62
AD		 1313# ifndef Strerror
1314# define Strerror strerror
1315# endif
1316#else
1317# ifdef HAS_SYS_ERRLIST
79072805
LW		 1318 extern int sys_nerr;
1319 extern char *sys_errlist[];
2304df62
AD		 1320# ifndef Strerror
1321# define Strerror(e) \
79072805 1322 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1323# endif
79072805 1324# endif
35c8bce7 1325#endif
663a0e37 1326
2304df62 1327#ifdef I_SYS_IOCTL
79072805
LW		 1328# ifndef _IOCTL_
1329# include <sys/ioctl.h>
1330# endif
a687059c
LW		 1331#endif
1332
ee0007ab 1333#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1334# ifdef HAS_SOCKETPAIR
1335# undef HAS_SOCKETPAIR
1336# endif
2304df62
AD		 1337# ifdef I_NDBM
1338# undef I_NDBM
79072805 1339# endif
a687059c
LW		 1340#endif
1341
02fc2eee
NC		 1342#ifndef HAS_SOCKETPAIR
1343# ifdef HAS_SOCKET
1344# define socketpair Perl_my_socketpair
1345# endif
1346#endif
1347
a687059c 1348#if INTSIZE == 2
79072805
LW		 1349# define htoni htons
1350# define ntohi ntohs
a687059c 1351#else
79072805
LW		 1352# define htoni htonl
1353# define ntohi ntohl
a687059c
LW		 1354#endif
1355
a0d0e21e 1356/* Configure already sets Direntry_t */
35c8bce7 1357#if defined(I_DIRENT)
663a0e37 1358# include <dirent.h>
8f1f23e8
W		 1359 /* NeXT needs dirent + sys/dir.h */
1360# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1361# include <sys/dir.h>
1362# endif
ae986130 1363#else
fe14fcc3 1364# ifdef I_SYS_NDIR
79a0689e 1365# include <sys/ndir.h>
663a0e37 1366# else
fe14fcc3 1367# ifdef I_SYS_DIR
79a0689e
LW		 1368# ifdef hp9000s500
1369# include <ndir.h> /* may be wrong in the future */
1370# else
1371# include <sys/dir.h>
1372# endif
663a0e37
LW		 1373# endif
1374# endif
4633a7c4 1375#endif
a687059c 1376
12ae5dfc
JH		 1377#ifdef PERL_MICRO
1378# ifndef DIR
1379# define DIR void
1380# endif
1381#endif
1382
352d5a3a
LW		 1383#ifdef FPUTS_BOTCH
1384/* work around botch in SunOS 4.0.1 and 4.0.2 */
1385# ifndef fputs
79072805 1386# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1387# endif
1388#endif
1389
c623bd54
LW		 1390/*
1391 * The following gobbledygook brought to you on behalf of __STDC__.
1392 * (I could just use #ifndef __STDC__, but this is more bulletproof
1393 * in the face of half-implementations.)
1394 */
1395
7114a2d2 1396#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1397#include <sys/mode.h>
1398#endif
1399
c623bd54
LW		 1400#ifndef S_IFMT
1401# ifdef _S_IFMT
1402# define S_IFMT _S_IFMT
1403# else
1404# define S_IFMT 0170000
1405# endif
1406#endif
1407
1408#ifndef S_ISDIR
1409# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1410#endif
1411
1412#ifndef S_ISCHR
1413# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1414#endif
1415
1416#ifndef S_ISBLK
fe14fcc3
LW		 1417# ifdef S_IFBLK
1418# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1419# else
1420# define S_ISBLK(m) (0)
1421# endif
c623bd54
LW		 1422#endif
1423
1424#ifndef S_ISREG
1425# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1426#endif
1427
1428#ifndef S_ISFIFO
fe14fcc3
LW		 1429# ifdef S_IFIFO
1430# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1431# else
1432# define S_ISFIFO(m) (0)
1433# endif
c623bd54
LW		 1434#endif
1435
1436#ifndef S_ISLNK
1437# ifdef _S_ISLNK
1438# define S_ISLNK(m) _S_ISLNK(m)
1439# else
1440# ifdef _S_IFLNK
1441# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1442# else
1443# ifdef S_IFLNK
1444# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1445# else
1446# define S_ISLNK(m) (0)
1447# endif
1448# endif
1449# endif
1450#endif
1451
1452#ifndef S_ISSOCK
1453# ifdef _S_ISSOCK
1454# define S_ISSOCK(m) _S_ISSOCK(m)
1455# else
1456# ifdef _S_IFSOCK
1457# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1458# else
1459# ifdef S_IFSOCK
1460# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1461# else
1462# define S_ISSOCK(m) (0)
1463# endif
1464# endif
1465# endif
1466#endif
1467
1468#ifndef S_IRUSR
1469# ifdef S_IREAD
1470# define S_IRUSR S_IREAD
1471# define S_IWUSR S_IWRITE
1472# define S_IXUSR S_IEXEC
1473# else
1474# define S_IRUSR 0400
1475# define S_IWUSR 0200
1476# define S_IXUSR 0100
1477# endif
fac7cdfc
JS		 1478#endif
1479
1480#ifndef S_IRGRP
1481# ifdef S_IRUSR
1482# define S_IRGRP (S_IRUSR>>3)
1483# define S_IWGRP (S_IWUSR>>3)
1484# define S_IXGRP (S_IXUSR>>3)
1485# else
1486# define S_IRGRP 0040
1487# define S_IWGRP 0020
1488# define S_IXGRP 0010
1489# endif
1490#endif
1491
1492#ifndef S_IROTH
1493# ifdef S_IRUSR
1494# define S_IROTH (S_IRUSR>>6)
1495# define S_IWOTH (S_IWUSR>>6)
1496# define S_IXOTH (S_IXUSR>>6)
1497# else
1498# define S_IROTH 0040
1499# define S_IWOTH 0020
1500# define S_IXOTH 0010
1501# endif
c623bd54
LW		 1502#endif
1503
1504#ifndef S_ISUID
1505# define S_ISUID 04000
1506#endif
1507
1508#ifndef S_ISGID
1509# define S_ISGID 02000
1510#endif
1511
ca6e1c26
JH		 1512#ifndef S_IRWXU
1513# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1514#endif
ca6e1c26
JH		 1515
1516#ifndef S_IRWXG
1517# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1518#endif
ca6e1c26
JH		 1519
1520#ifndef S_IRWXO
1521# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1522#endif
ca6e1c26 1523
c21fb2b8
JH		 1524/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1525 * which would get included through <sys/file.h >, but that is 3000
1526 * lines in the future. --jhi */
1527
1528#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 1529# define S_IREAD S_IRUSR
1530#endif
1531
c21fb2b8 1532#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1533# define S_IWRITE S_IWUSR
1534#endif
1535
1536#ifndef S_IEXEC
1537# define S_IEXEC S_IXUSR
1538#endif
1539
79072805
LW		 1540#ifdef ff_next
1541# undef ff_next
352d5a3a
LW		 1542#endif
1543
a0d0e21e 1544#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1545# define SLOPPYDIVIDE
1546#endif
1547
748a9306
LW		 1548#ifdef UV
1549#undef UV
1550#endif
1551
c89df6bf
JH		 1552#ifdef SPRINTF_E_BUG
1553# define sprintf UTS_sprintf_wrap
1554#endif
1555
ce582cee
NC		 1556/* For the times when you want the return value of sprintf, and you want it
1557 to be the length. Can't have a thread variable passed in, because C89 has
1558 no varargs macros.
1559*/
1560#ifdef SPRINTF_RETURNS_STRLEN
1561# define my_sprintf sprintf
1562#else
1563# define my_sprintf Perl_my_sprintf
1564#endif
1565
5b692037
JH		 1566/*
1567 * If we have v?snprintf() and the C99 variadic macros, we can just
1568 * use just the v?snprintf(). It is nice to try to trap the buffer
1569 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1570 * gcc statement expressions, then use the function wrappers which try
1571 * to trap the overflow. If we can use the gcc statement expressions,
1572 * we can try that even with the version that uses the C99 variadic
1573 * macros.
5b692037
JH		 1574 */
1575
1208b3dd
JH		 1576/* Note that we do not check against snprintf()/vsnprintf() returning
1577 * negative values because that is non-standard behaviour and we use
1578 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1579 * that should be true only if the snprintf()/vsnprintf() are true
1580 * to the standard. */
1581
dfeee9b1 1582#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1583# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1584# 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 1585# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1586# else
1587# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1588# endif
1589#else
1590# define my_snprintf Perl_my_snprintf
1208b3dd 1591# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1592#endif
1593
dfeee9b1 1594#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1595# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1596# 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 1597# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1598# else
1599# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1600# endif
1601#else
1602# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1603# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1604#endif
d9fad198 1605
a6cc4119
SP		 1606#ifdef HAS_STRLCAT
1607# define my_strlcat strlcat
1608#else
1609# define my_strlcat Perl_my_strlcat
1610#endif
1611
1612#ifdef HAS_STRLCPY
1613# define my_strlcpy strlcpy
1614#else
1615# define my_strlcpy Perl_my_strlcpy
1616#endif
1617
c495e728
JH		 1618/* Configure gets this right but the UTS compiler gets it wrong.
1619 -- Hal Morris <hom00@utsglobal.com> */
1620#ifdef UTS
1621# undef UVTYPE
1622# define UVTYPE unsigned
1623#endif
1624
05f13f53 1625/*
27d4fb96 1626 The IV type is supposed to be long enough to hold any integral
1627 value or a pointer.
1628 --Andy Dougherty August 1996
1629*/
1630
a22e52b9
JH		 1631typedef IVTYPE IV;
1632typedef UVTYPE UV;
8175356b 1633
10cc9d2a 1634#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1635# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1636# define IV_MAX INT64_MAX
1637# define IV_MIN INT64_MIN
1638# define UV_MAX UINT64_MAX
cae7ae48
JH		 1639# ifndef UINT64_MIN
1640# define UINT64_MIN 0
1641# endif
5ff3f7a4
GS		 1642# define UV_MIN UINT64_MIN
1643# else
1644# define IV_MAX PERL_QUAD_MAX
1645# define IV_MIN PERL_QUAD_MIN
1646# define UV_MAX PERL_UQUAD_MAX
1647# define UV_MIN PERL_UQUAD_MIN
1648# endif
cf2093f6
JH		 1649# define IV_IS_QUAD
1650# define UV_IS_QUAD
79072805 1651#else
8175356b 1652# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1653# define IV_MAX INT32_MAX
1654# define IV_MIN INT32_MIN
716026f9
DL		 1655# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1656# define UV_MAX UINT32_MAX
1657# else
1658# define UV_MAX 4294967295U
1659# endif
cae7ae48
JH		 1660# ifndef UINT32_MIN
1661# define UINT32_MIN 0
1662# endif
5ff3f7a4
GS		 1663# define UV_MIN UINT32_MIN
1664# else
1665# define IV_MAX PERL_LONG_MAX
1666# define IV_MIN PERL_LONG_MIN
1667# define UV_MAX PERL_ULONG_MAX
1668# define UV_MIN PERL_ULONG_MIN
1669# endif
8175356b 1670# if IVSIZE == 8
cf2093f6
JH		 1671# define IV_IS_QUAD
1672# define UV_IS_QUAD
de1c2614
JH		 1673# ifndef HAS_QUAD
1674# define HAS_QUAD
1675# endif
cf2093f6
JH		 1676# else
1677# undef IV_IS_QUAD
1678# undef UV_IS_QUAD
de1c2614 1679# undef HAS_QUAD
cf2093f6 1680# endif
79072805 1681#endif
d7d93a81 1682
1109a392
MHM		 1683#ifndef HAS_QUAD
1684# undef PERL_NEED_MY_HTOLE64
1685# undef PERL_NEED_MY_LETOH64
1686# undef PERL_NEED_MY_HTOBE64
1687# undef PERL_NEED_MY_BETOH64
1688#endif
1689
6cde8aec 1690#if defined(uts) || defined(UTS)
11afe549
HM		 1691# undef UV_MAX
1692# define UV_MAX (4294967295u)
20601011
JH		 1693#endif
1694
cae7ae48 1695#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1696#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1697
28e5dec8 1698#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1699#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1700#endif
1701
d460ef45 1702/*
26bb67e2
JH		 1703 * The macros INT2PTR and NUM2PTR are (despite their names)
1704 * bi-directional: they will convert int/float to or from pointers.
1705 * However the conversion to int/float are named explicitly:
1706 * PTR2IV, PTR2UV, PTR2NV.
1707 *
1708 * For int conversions we do not need two casts if pointers are
1709 * the same size as IV and UV. Otherwise we need an explicit
1710 * cast (PTRV) to avoid compiler warnings.
1711 */
56431972
RB		 1712#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1713# define PTRV UV
1714# define INT2PTR(any,d) (any)(d)
1715#else
d460ef45 1716# if PTRSIZE == LONGSIZE
56431972 1717# define PTRV unsigned long
e91e3b10 1718# define PTR2ul(p) (unsigned long)(p)
42718184 1719# else
56431972 1720# define PTRV unsigned
42718184 1721# endif
e91e3b10
RB		 1722#endif
1723
1724#ifndef INT2PTR
56431972 1725# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1726#endif
e91e3b10
RB		 1727
1728#ifndef PTR2ul
1729# define PTR2ul(p) INT2PTR(unsigned long,p)
1730#endif
1731
56431972
RB		 1732#define NUM2PTR(any,d) (any)(PTRV)(d)
1733#define PTR2IV(p) INT2PTR(IV,p)
1734#define PTR2UV(p) INT2PTR(UV,p)
1735#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1736#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1737
8141890a
JH		 1738/* According to strict ANSI C89 one cannot freely cast between
1739 * data pointers and function (code) pointers. There are at least
1740 * two ways around this. One (used below) is to do two casts,
1741 * first the other pointer to an (unsigned) integer, and then
1742 * the integer to the other pointer. The other way would be
1743 * to use unions to "overlay" the pointers. For an example of
1744 * the latter technique, see union dirpu in struct xpvio in sv.h.
1745 * The only feasible use is probably temporarily storing
1746 * function pointers in a data pointer (such as a void pointer). */
1747
e91e3b10
RB		 1748#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1749#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1750
65202027 1751#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1752# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1753# define LONG_DOUBLE_EQUALS_DOUBLE
1754# endif
68d4903c 1755# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1756# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1757# endif
1758#endif
1759
2d4389e4
JH		 1760#ifdef OVR_DBL_DIG
1761/* Use an overridden DBL_DIG */
1762# ifdef DBL_DIG
1763# undef DBL_DIG
1764# endif
1765# define DBL_DIG OVR_DBL_DIG
1766#else
1767/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1768 default value for printing floating point numbers in Gconvert
1769 (see config.h). (It also has other uses, such as figuring out if
1770 a given precision of printing can be done with a double instead of
1771 a long double - Allen).
2d4389e4
JH		 1772*/
1773#ifdef I_LIMITS
1774#include <limits.h>
1775#endif
1776#ifdef I_FLOAT
1777#include <float.h>
1778#endif
1779#ifndef HAS_DBL_DIG
1780#define DBL_DIG 15 /* A guess that works lots of places */
1781#endif
1782#endif
1783
1784#ifdef OVR_LDBL_DIG
1785/* Use an overridden LDBL_DIG */
1786# ifdef LDBL_DIG
1787# undef LDBL_DIG
1788# endif
1789# define LDBL_DIG OVR_LDBL_DIG
1790#else
1791/* The following is all to get LDBL_DIG, in order to pick a nice
1792 default value for printing floating point numbers in Gconvert.
1793 (see config.h)
1794*/
68d4903c
JH		 1795# ifdef I_LIMITS
1796# include <limits.h>
1797# endif
1798# ifdef I_FLOAT
1799# include <float.h>
1800# endif
1801# ifndef HAS_LDBL_DIG
1802# if LONG_DOUBLESIZE == 10
1803# define LDBL_DIG 18 /* assume IEEE */
1804# else
1805# if LONG_DOUBLESIZE == 12
1806# define LDBL_DIG 18 /* gcc? */
1807# else
1808# if LONG_DOUBLESIZE == 16
1809# define LDBL_DIG 33 /* assume IEEE */
1810# else
1811# if LONG_DOUBLESIZE == DOUBLESIZE
1812# define LDBL_DIG DBL_DIG /* bummer */
1813# endif
1814# endif
1815# endif
1816# endif
1817# endif
2d4389e4
JH		 1818#endif
1819
20f6aaab
AS		 1820/*
1821 * This is for making sure we have a good DBL_MAX value, if possible,
1822 * either for usage as NV_MAX or for usage in figuring out if we can
1823 * fit a given long double into a double, if bug-fixing makes it
1824 * necessary to do so. - Allen <allens@cpan.org>
1825 */
1826
205f51d8
AS		 1827#ifdef I_LIMITS
1828# include <limits.h>
20f6aaab
AS		 1829#endif
1830
205f51d8
AS		 1831#ifdef I_VALUES
1832# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1833# include <values.h>
1834# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1835# define DBL_MAX MAXDOUBLE
1836# endif
1837# if defined(MINDOUBLE) && !defined(DBL_MIN)
1838# define DBL_MIN MINDOUBLE
1839# endif
1840# endif
1841#endif /* defined(I_VALUES) */
1842
a22e52b9 1843typedef NVTYPE NV;
8175356b 1844
792d8dab
JH		 1845#ifdef I_IEEEFP
1846# include <ieeefp.h>
1847#endif
923fc586 1848
65202027 1849#ifdef USE_LONG_DOUBLE
923fc586
JH		 1850# ifdef I_SUNMATH
1851# include <sunmath.h>
1852# endif
2d4389e4 1853# define NV_DIG LDBL_DIG
d6c14000
JH		 1854# ifdef LDBL_MANT_DIG
1855# define NV_MANT_DIG LDBL_MANT_DIG
1856# endif
06fc1729
JH		 1857# ifdef LDBL_MIN
1858# define NV_MIN LDBL_MIN
1859# endif
1860# ifdef LDBL_MAX
1861# define NV_MAX LDBL_MAX
1862# endif
1863# ifdef LDBL_MIN_10_EXP
1864# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1865# endif
1866# ifdef LDBL_MAX_10_EXP
1867# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1868# endif
1869# ifdef LDBL_EPSILON
1870# define NV_EPSILON LDBL_EPSILON
1871# endif
f4a14a62
JH		 1872# ifdef LDBL_MAX
1873# define NV_MAX LDBL_MAX
20f6aaab 1874/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1875# else
1876# ifdef HUGE_VALL
1877# define NV_MAX HUGE_VALL
1878# else
1879# ifdef HUGE_VAL
1880# define NV_MAX ((NV)HUGE_VAL)
1881# endif
1882# endif
1883# endif
68d4903c 1884# ifdef HAS_SQRTL
68d4903c
JH		 1885# define Perl_cos cosl
1886# define Perl_sin sinl
1887# define Perl_sqrt sqrtl
1888# define Perl_exp expl
1889# define Perl_log logl
1890# define Perl_atan2 atan2l
1891# define Perl_pow powl
1892# define Perl_floor floorl
1bbae031 1893# define Perl_ceil ceill
68d4903c
JH		 1894# define Perl_fmod fmodl
1895# endif
a3540c92
JH		 1896/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1897# ifdef HAS_MODFL
1898# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1899/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1900 prototype in <math.h> */
1901# ifndef HAS_MODFL_PROTO
a221a8a5 1902EXTERN_C long double modfl(long double, long double *);
51997bc3 1903# endif
03476e8e
JH		 1904# else
1905# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1906 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1907# define Perl_modf(x,y) Perl_my_modfl(x,y)
1908# endif
a3540c92
JH		 1909# endif
1910# ifdef HAS_FREXPL
dff3e0b8 1911# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1912# else
1913# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1914 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1915# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1916# endif
a3540c92 1917# endif
38dbb4c5 1918# ifndef Perl_isnan
758a5d79
JH		 1919# ifdef HAS_ISNANL
1920# define Perl_isnan(x) isnanl(x)
1921# endif
1922# endif
1923# ifndef Perl_isinf
1924# ifdef HAS_FINITEL
1925# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1926# endif
1927# endif
65202027 1928#else
2d4389e4 1929# define NV_DIG DBL_DIG
d6c14000
JH		 1930# ifdef DBL_MANT_DIG
1931# define NV_MANT_DIG DBL_MANT_DIG
1932# endif
06fc1729
JH		 1933# ifdef DBL_MIN
1934# define NV_MIN DBL_MIN
1935# endif
1936# ifdef DBL_MAX
1937# define NV_MAX DBL_MAX
1938# endif
1939# ifdef DBL_MIN_10_EXP
1940# define NV_MIN_10_EXP DBL_MIN_10_EXP
1941# endif
1942# ifdef DBL_MAX_10_EXP
1943# define NV_MAX_10_EXP DBL_MAX_10_EXP
1944# endif
1945# ifdef DBL_EPSILON
1946# define NV_EPSILON DBL_EPSILON
1947# endif
205f51d8 1948# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1949# define NV_MAX DBL_MAX
1950# define NV_MIN DBL_MIN
1951# else
1952# ifdef HUGE_VAL
1953# define NV_MAX HUGE_VAL
1954# endif
1955# endif
65202027
DS		 1956# define Perl_cos cos
1957# define Perl_sin sin
1958# define Perl_sqrt sqrt
1959# define Perl_exp exp
1960# define Perl_log log
1961# define Perl_atan2 atan2
1962# define Perl_pow pow
1963# define Perl_floor floor
1bbae031 1964# define Perl_ceil ceil
65202027 1965# define Perl_fmod fmod
a3540c92 1966# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1967# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1968#endif
1969
1970/* rumor has it that Win32 has _fpclass() */
1971
205f51d8
AS		 1972/* SGI has fpclassl... but not with the same result values,
1973 * and it's via a typedef (not via #define), so will need to redo Configure
1974 * to use. Not worth the trouble, IMO, at least until the below is used
1975 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1976 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1977 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1978
758a5d79
JH		 1979#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1980# ifdef I_IEEFP
1981# include <ieeefp.h>
1982# endif
1983# ifdef I_FP
1984# include <fp.h>
1985# endif
1986# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1987# define Perl_fp_class() fpclassl(x)
1988# else
1989# define Perl_fp_class() fpclass(x)
1990# endif
1991# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1992# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1993# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1994# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1995# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1996# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1997# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1998# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1999# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2000# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2001# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2002# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2003# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2004# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2005# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2006#endif
2007
7114a2d2 2008#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2009# include <math.h>
2010# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2011# include <fp_class.h>
2012# endif
2013# define Perl_fp_class(x) fp_class(x)
2014# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2015# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2016# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2017# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2018# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2019# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2020# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2021# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2022# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2023# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2024# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2025# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2026# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2027# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2028# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2029#endif
2030
2031#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2032# include <math.h>
2033# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2034# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2035# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2036# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2037# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2038# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2039#endif
2040
2041#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2042# include <math.h>
2043# ifndef _cplusplus
2044# define Perl_fp_class(x) class(x)
2045# else
2046# define Perl_fp_class(x) _class(x)
2047# endif
2048# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2049# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2050# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2051# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2052# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2053# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2054# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2055# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2056# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2057# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2058# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2059# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2060# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2061# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2062# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2063#endif
2064
2065/* rumor has it that Win32 has _isnan() */
2066
2067#ifndef Perl_isnan
a3540c92 2068# ifdef HAS_ISNAN
758a5d79
JH		 2069# define Perl_isnan(x) isnan((NV)x)
2070# else
2071# ifdef Perl_fp_class_nan
2072# define Perl_isnan(x) Perl_fp_class_nan(x)
2073# else
2074# ifdef HAS_UNORDERED
2075# define Perl_isnan(x) unordered((x), 0.0)
2076# else
2077# define Perl_isnan(x) ((x)!=(x))
2078# endif
2079# endif
2080# endif
2081#endif
2082
ca6c63e1
JH		 2083#ifdef UNDER_CE
2084int isnan(double d);
2085#endif
2086
758a5d79
JH		 2087#ifndef Perl_isinf
2088# ifdef HAS_ISINF
2089# define Perl_isinf(x) isinf((NV)x)
a3540c92 2090# else
758a5d79
JH		 2091# ifdef Perl_fp_class_inf
2092# define Perl_isinf(x) Perl_fp_class_inf(x)
2093# else
2094# define Perl_isinf(x) ((x)==NV_INF)
2095# endif
2096# endif
2097#endif
2098
2099#ifndef Perl_isfinite
2100# ifdef HAS_FINITE
2101# define Perl_isfinite(x) finite((NV)x)
2102# else
2103# ifdef HAS_ISFINITE
2104# define Perl_isfinite(x) isfinite(x)
2105# else
2106# ifdef Perl_fp_class_finite
2107# define Perl_isfinite(x) Perl_fp_class_finite(x)
2108# else
2109# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2110# endif
2111# endif
a3540c92 2112# endif
65202027
DS		 2113#endif
2114
a36244b7
JH		 2115/* The default is to use Perl's own atof() implementation (in numeric.c).
2116 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2117 * it is however best to use the native implementation of atof.
2118 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2119 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2120 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2121 * you may need to be using a different function than atof! */
a36244b7
JH		 2122
2123#ifndef USE_PERL_ATOF
2124# ifndef _UNICOS
2125# define USE_PERL_ATOF
2126# endif
2127#else
2128# if USE_PERL_ATOF == 0
2129# undef USE_PERL_ATOF
2130# endif
2131#endif
2132
2133#ifdef USE_PERL_ATOF
2134# define Perl_atof(s) Perl_my_atof(s)
2135# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2136#else
2137# define Perl_atof(s) (NV)atof(s)
2138# define Perl_atof2(s, n) ((n) = atof(s))
2139#endif
cf2093f6 2140
d460ef45 2141/* Previously these definitions used hardcoded figures.
760ac839
LW		 2142 * It is hoped these formula are more portable, although
2143 * no data one way or another is presently known to me.
2144 * The "PERL_" names are used because these calculated constants
2145 * do not meet the ANSI requirements for LONG_MAX, etc., which
2146 * need to be constants acceptable to #if - kja
2147 * define PERL_LONG_MAX 2147483647L
2148 * define PERL_LONG_MIN (-LONG_MAX - 1)
2149 * define PERL ULONG_MAX 4294967295L
2150 */
2151
2152#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2153# include <limits.h>
760ac839 2154#endif
205f51d8
AS		 2155/* Included values.h above if necessary; still including limits.h down here,
2156 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2157
99abf803 2158/*
2159 * Try to figure out max and min values for the integral types. THE CORRECT
2160 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2161 * following hacks are used if neither limits.h or values.h provide them:
2162 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2163 * for types < int: (unsigned TYPE)~(unsigned)0
2164 * The argument to ~ must be unsigned so that later signed->unsigned
2165 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2166 * and it must not be smaller than int because ~ does integral promotion.
2167 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2168 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2169 * The latter is a hack which happens to work on some machines but
2170 * does *not* catch any random system, or things like integer types
2171 * with NaN if that is possible.
2172 *
2173 * All of the types are explicitly cast to prevent accidental loss of
2174 * numeric range, and in the hope that they will be less likely to confuse
2175 * over-eager optimizers.
2176 *
2177 */
27d4fb96 2178
99abf803 2179#define PERL_UCHAR_MIN ((unsigned char)0)
2180
2181#ifdef UCHAR_MAX
2182# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2183#else
99abf803 2184# ifdef MAXUCHAR
2185# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2186# else
99abf803 2187# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2188# endif
2189#endif
d460ef45 2190
99abf803 2191/*
2192 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2193 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2194 * depending on local options. Until Configure detects this (or at least
2195 * detects whether the "signed" keyword is available) the CHAR ranges
2196 * will not be included. UCHAR functions normally.
2197 * - kja
2198 */
27d4fb96 2199
99abf803 2200#define PERL_USHORT_MIN ((unsigned short)0)
2201
2202#ifdef USHORT_MAX
2203# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2204#else
99abf803 2205# ifdef MAXUSHORT
2206# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2207# else
ef2f54b0
CB		 2208# ifdef USHRT_MAX
2209# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2210# else
2211# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2212# endif
27d4fb96 2213# endif
2214#endif
2215
27d4fb96 2216#ifdef SHORT_MAX
99abf803 2217# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2218#else
2219# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2220# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2221# else
ef2f54b0
CB		 2222# ifdef SHRT_MAX
2223# define PERL_SHORT_MAX ((short)SHRT_MAX)
2224# else
2225# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2226# endif
27d4fb96 2227# endif
2228#endif
2229
2230#ifdef SHORT_MIN
99abf803 2231# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2232#else
2233# ifdef MINSHORT
99abf803 2234# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2235# else
ef2f54b0
CB		 2236# ifdef SHRT_MIN
2237# define PERL_SHORT_MIN ((short)SHRT_MIN)
2238# else
2239# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2240# endif
27d4fb96 2241# endif
2242#endif
2243
99abf803 2244#ifdef UINT_MAX
2245# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2246#else
99abf803 2247# ifdef MAXUINT
2248# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2249# else
99abf803 2250# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2251# endif
2252#endif
2253
99abf803 2254#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2255
2256#ifdef INT_MAX
99abf803 2257# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2258#else
2259# ifdef MAXINT /* Often used in <values.h> */
99abf803 2260# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2261# else
99abf803 2262# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2263# endif
2264#endif
2265
2266#ifdef INT_MIN
99abf803 2267# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2268#else
2269# ifdef MININT
99abf803 2270# define PERL_INT_MIN ((int)MININT)
27d4fb96 2271# else
2272# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2273# endif
2274#endif
2275
99abf803 2276#ifdef ULONG_MAX
2277# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2278#else
99abf803 2279# ifdef MAXULONG
2280# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2281# else
99abf803 2282# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2283# endif
2284#endif
2285
99abf803 2286#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2287
760ac839 2288#ifdef LONG_MAX
99abf803 2289# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2290#else
2291# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2292# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2293# else
99abf803 2294# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2295# endif
2296#endif
2297
2298#ifdef LONG_MIN
99abf803 2299# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2300#else
2301# ifdef MINLONG
99abf803 2302# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2303# else
27d4fb96 2304# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2305# endif
2306#endif
2307
d7d93a81 2308#ifdef UV_IS_QUAD
99abf803 2309
99abf803 2310# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2311# define PERL_UQUAD_MIN ((UV)0)
99abf803 2312# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2313# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2314
79072805
LW		 2315#endif
2316
22f7c9c9
JH		 2317#ifdef MYMALLOC
2318# include "malloc_ctl.h"
2319#endif
2320
830247a4 2321struct RExC_state_t;
8e11feef 2322struct _reg_trie_data;
880b20b6 2323
ee0007ab 2324typedef MEM_SIZE STRLEN;
450a55e4 2325
598921a7
NC		 2326#ifdef PERL_MAD
2327typedef struct token TOKEN;
2328typedef struct madprop MADPROP;
2329typedef struct nexttoken NEXTTOKE;
2330#endif
79072805
LW		 2331typedef struct op OP;
2332typedef struct cop COP;
2333typedef struct unop UNOP;
2334typedef struct binop BINOP;
2335typedef struct listop LISTOP;
2336typedef struct logop LOGOP;
79072805
LW		 2337typedef struct pmop PMOP;
2338typedef struct svop SVOP;
7934575e 2339typedef struct padop PADOP;
79072805 2340typedef struct pvop PVOP;
79072805
LW		 2341typedef struct loop LOOP;
2342
cd1541b2
NC		 2343typedef struct interpreter PerlInterpreter;
2344
d2b3f365
SS		 2345/* Amdahl's <ksync.h> has struct sv */
2346/* SGI's <sys/sema.h> has struct sv */
2347#if defined(UTS) || defined(__sgi)
2348# define STRUCT_SV perl_sv
b8d3c5db
JH		 2349#else
2350# define STRUCT_SV sv
2351#endif
2352typedef struct STRUCT_SV SV;
79072805
LW		 2353typedef struct av AV;
2354typedef struct hv HV;
2355typedef struct cv CV;
288b8c02 2356typedef struct regexp ORANGE; /* This is the body structure. */
d2f13c59 2357typedef struct p5rx REGEXP;
79072805 2358typedef struct gp GP;
0c30d9ec 2359typedef struct gv GV;
8990e307 2360typedef struct io IO;
c09156bb 2361typedef struct context PERL_CONTEXT;
79072805
LW		 2362typedef struct block BLOCK;
2363
2364typedef struct magic MAGIC;
2365typedef struct xpv XPV;
2366typedef struct xpviv XPVIV;
ff68c719 2367typedef struct xpvuv XPVUV;
79072805
LW		 2368typedef struct xpvnv XPVNV;
2369typedef struct xpvmg XPVMG;
2370typedef struct xpvlv XPVLV;
2371typedef struct xpvav XPVAV;
2372typedef struct xpvhv XPVHV;
2373typedef struct xpvgv XPVGV;
2374typedef struct xpvcv XPVCV;
2375typedef struct xpvbm XPVBM;
2376typedef struct xpvfm XPVFM;
8990e307 2377typedef struct xpvio XPVIO;
79072805
LW		 2378typedef struct mgvtbl MGVTBL;
2379typedef union any ANY;
5f7fde29
GS		 2380typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2381typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2382typedef struct clone_params CLONE_PARAMS;
2383
378cc40b 2384#include "handy.h"
a0d0e21e 2385
6b8eaf93 2386#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2387# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2388# define USE_64_BIT_RAWIO /* implicit */
2389# endif
4564133c
JH		 2390#endif
2391
6b8eaf93
JH		 2392/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2393 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2394 * however, because operating systems like to do that themself. */
2395#ifndef FSEEKSIZE
2396# ifdef HAS_FSEEKO
2397# define FSEEKSIZE LSEEKSIZE
2398# else
2399# define FSEEKSIZE LONGSIZE
d460ef45 2400# endif
6b8eaf93
JH		 2401#endif
2402
2403#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2404# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2405# define USE_64_BIT_STDIO /* implicit */
2406# endif
2407#endif
4564133c 2408
09458382 2409#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2410# ifdef HAS_OFF64_T
2411# undef Off_t
2412# define Off_t off64_t
2413# undef LSEEKSIZE
2414# define LSEEKSIZE 8
5ff3f7a4 2415# endif
d9b3e12d
JH		 2416/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2417 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2418 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2419# if defined(USE_OPEN64)
2420# define open open64
5ff3f7a4 2421# endif
d9b3e12d
JH		 2422# if defined(USE_LSEEK64)
2423# define lseek lseek64
6b8eaf93
JH		 2424# else
2425# if defined(USE_LLSEEK)
2426# define lseek llseek
2427# endif
d9b3e12d
JH		 2428# endif
2429# if defined(USE_STAT64)
2430# define stat stat64
2431# endif
2432# if defined(USE_FSTAT64)
2433# define fstat fstat64
2434# endif
2435# if defined(USE_LSTAT64)
2436# define lstat lstat64
2437# endif
2438# if defined(USE_FLOCK64)
2439# define flock flock64
2440# endif
2441# if defined(USE_LOCKF64)
2442# define lockf lockf64
2443# endif
2444# if defined(USE_FCNTL64)
2445# define fcntl fcntl64
2446# endif
2447# if defined(USE_TRUNCATE64)
2448# define truncate truncate64
2449# endif
2450# if defined(USE_FTRUNCATE64)
2451# define ftruncate ftruncate64
2452# endif
2453#endif
2454
2455#ifdef USE_64_BIT_STDIO
2456# ifdef HAS_FPOS64_T
2457# undef Fpos_t
2458# define Fpos_t fpos64_t
2459# endif
2460/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2461 * will trigger defines like the ones below. Some 64-bit environments,
2462 * however, do not. */
2463# if defined(USE_FOPEN64)
2464# define fopen fopen64
2465# endif
2466# if defined(USE_FSEEK64)
6b8eaf93 2467# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2468# endif
2469# if defined(USE_FTELL64)
6b8eaf93 2470# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2471# endif
2472# if defined(USE_FSETPOS64)
2473# define fsetpos fsetpos64
2474# endif
2475# if defined(USE_FGETPOS64)
2476# define fgetpos fgetpos64
2477# endif
2478# if defined(USE_TMPFILE64)
2479# define tmpfile tmpfile64
2480# endif
2481# if defined(USE_FREOPEN64)
2482# define freopen freopen64
5ff3f7a4
GS		 2483# endif
2484#endif
2485
af8b425d 2486#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2487# include "iperlsys.h"
2488#endif
2489
6f71a643 2490#if defined(__OPEN_VM)
19848b3f
JH		 2491# include "vmesa/vmesaish.h"
2492# define ISHISH "vmesa"
6f71a643
JH		 2493#endif
2494
748a9306 2495#ifdef DOSISH
19848b3f
JH		 2496# if defined(OS2)
2497# include "os2ish.h"
2498# else
2499# include "dosish.h"
2500# endif
2501# define ISHISH "dos"
2502#endif
2503
2504#if defined(VMS)
748a9306 2505# include "vmsish.h"
96e176bf 2506# include "embed.h"
eb8433b7
NC		 2507# ifndef PERL_MAD
2508# undef op_getmad
b3f24c00 2509# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2510# endif
19848b3f
JH		 2511# define ISHISH "vms"
2512#endif
2513
2514#if defined(PLAN9)
2515# include "./plan9/plan9ish.h"
2516# define ISHISH "plan9"
2517#endif
2518
2519#if defined(MPE)
2520# include "mpeix/mpeixish.h"
2521# define ISHISH "mpeix"
2522#endif
2523
2524#if defined(__VOS__)
196918b0
PG		 2525# ifdef __GNUC__
2526# include "./vos/vosish.h"
2527# else
2528# include "vos/vosish.h"
2529# endif
19848b3f
JH		 2530# define ISHISH "vos"
2531#endif
2532
2533#if defined(EPOC)
2534# include "epocish.h"
2535# define ISHISH "epoc"
2536#endif
2537
9969cdde 2538#ifdef __SYMBIAN32__
27da23d5
JH		 2539# include "symbian/symbianish.h"
2540# include "embed.h"
eb8433b7
NC		 2541# ifndef PERL_MAD
2542# undef op_getmad
b3f24c00 2543# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2544# endif
27da23d5
JH		 2545# define ISHISH "symbian"
2546#endif
2547
19848b3f
JH		 2548#if defined(MACOS_TRADITIONAL)
2549# include "macos/macish.h"
2550# ifndef NO_ENVIRON_ARRAY
2551# define NO_ENVIRON_ARRAY
0c30d9ec 2552# endif
19848b3f
JH		 2553# define ISHISH "macos classic"
2554#endif
2555
efca5cc6
JH		 2556#if defined(__BEOS__)
2557# include "beos/beosish.h"
2558# define ISHISH "beos"
2559#endif
2560
19848b3f
JH		 2561#ifndef ISHISH
2562# include "unixish.h"
2563# define ISHISH "unix"
13b6e58c
JH		 2564#endif
2565
2946a158
JH		 2566/* NSIG logic from Configure --> */
2567/* Strange style to avoid deeply-nested #if/#else/#endif */
2568#ifndef NSIG
2569# ifdef _NSIG
2570# define NSIG (_NSIG)
2571# endif
2572#endif
2573
2574#ifndef NSIG
2575# ifdef SIGMAX
2576# define NSIG (SIGMAX+1)
2577# endif
2578#endif
2579
2580#ifndef NSIG
2581# ifdef SIG_MAX
2582# define NSIG (SIG_MAX+1)
2583# endif
2584#endif
2585
2586#ifndef NSIG
2587# ifdef _SIG_MAX
2588# define NSIG (_SIG_MAX+1)
2589# endif
2590#endif
2591
2592#ifndef NSIG
2593# ifdef MAXSIG
2594# define NSIG (MAXSIG+1)
2595# endif
2596#endif
2597
2598#ifndef NSIG
2599# ifdef MAX_SIG
2600# define NSIG (MAX_SIG+1)
2601# endif
2602#endif
2603
2604#ifndef NSIG
2605# ifdef SIGARRAYSIZE
2606# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2607# endif
2608#endif
2609
2610#ifndef NSIG
2611# ifdef _sys_nsig
2612# define NSIG (_sys_nsig) /* Solaris 2.5 */
2613# endif
2614#endif
2615
2616/* Default to some arbitrary number that's big enough to get most
2617 of the common signals.
2618*/
2619#ifndef NSIG
2620# define NSIG 50
2621#endif
2622/* <-- NSIG logic from Configure */
2623
13b6e58c
JH		 2624#ifndef NO_ENVIRON_ARRAY
2625# define USE_ENVIRON_ARRAY
2626#endif
32f822de 2627
c77b533b
JH		 2628/*
2629 * initialise to avoid floating-point exceptions from overflow, etc
2630 */
2631#ifndef PERL_FPU_INIT
2632# ifdef HAS_FPSETMASK
2633# if HAS_FLOATINGPOINT_H
2634# include <floatingpoint.h>
2635# endif
7f7c3354 2636# define PERL_FPU_INIT fpsetmask(0)
c77b533b 2637# else
2f42fcb0 2638# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2639# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2640# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2641# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2642# else
2643# define PERL_FPU_INIT
2f42fcb0 2644
7014c407 2645# endif
c77b533b
JH		 2646# endif
2647#endif
b35112e7
CS		 2648#ifndef PERL_FPU_PRE_EXEC
2649# define PERL_FPU_PRE_EXEC {
2650# define PERL_FPU_POST_EXEC }
2651#endif
c77b533b 2652
cbec8ebe
DM		 2653#ifndef PERL_SYS_INIT3_BODY
2654# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2655#endif
2656
cbec8ebe
DM		 2657#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2658#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2659#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2660
be708cc0
JH		 2661#ifndef PERL_WRITE_MSG_TO_CONSOLE
2662# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2663#endif
2664
0f31cffe
GS		 2665#ifndef MAXPATHLEN
2666# ifdef PATH_MAX
b990c8b2
JH		 2667# ifdef _POSIX_PATH_MAX
2668# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2669/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2670 * included the null byte or not. Later amendments of POSIX,
2671 * XPG4, the Austin Group, and the Single UNIX Specification
2672 * all explicitly include the null byte in the PATH_MAX.
2673 * Ditto for _POSIX_PATH_MAX. */
2674# define MAXPATHLEN PATH_MAX
b990c8b2 2675# else
09448d78 2676# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2677# endif
2678# else
2679# define MAXPATHLEN (PATH_MAX+1)
2680# endif
0f31cffe 2681# else
b990c8b2 2682# ifdef _POSIX_PATH_MAX
09448d78 2683# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2684# else
2685# define MAXPATHLEN 1024 /* Err on the large side. */
2686# endif
0f31cffe
GS		 2687# endif
2688#endif
2689
c80263a8
SH		 2690/* In case Configure was not used (we are using a "canned config"
2691 * such as Win32, or a cross-compilation setup, for example) try going
2692 * by the gcc major and minor versions. One useful URL is
2693 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2694 * but contrary to this information warn_unused_result seems
2695 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2696 * Also, when building extensions with an installed perl, this allows
2697 * the user to upgrade gcc and get the right attributes, rather than
2698 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2699 * Set these up now otherwise we get confused when some of the <*thread.h>
2700 * includes below indirectly pull in <perlio.h> (which needs to know if we
2701 * have HASATTRIBUTE_FORMAT).
2702 */
2703
4d7c7898 2704#ifndef PERL_MICRO
fc2007d4 2705#if defined __GNUC__ && !defined(__INTEL_COMPILER)
c80263a8
SH		 2706# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2707# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2708# if defined __MINGW32__
2709# define PRINTF_FORMAT_NULL_OK
2710# endif
c80263a8
SH		 2711# endif
2712# if __GNUC__ >= 3 /* 3.0 -> */
2713# define HASATTRIBUTE_MALLOC
2714# endif
2715# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2716# define HASATTRIBUTE_NONNULL
2717# endif
2718# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2719# define HASATTRIBUTE_NORETURN
2720# endif
2721# if __GNUC__ >= 3 /* gcc 3.0 -> */
2722# define HASATTRIBUTE_PURE
2723# endif
42bf5550 2724# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2725# define HASATTRIBUTE_UNUSED
2726# endif
d324fe49
AD		 2727# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2728# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2729# endif
c80263a8
SH		 2730# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2731# define HASATTRIBUTE_WARN_UNUSED_RESULT
2732# endif
2733#endif
4d7c7898 2734#endif /* #ifndef PERL_MICRO */
c80263a8 2735
3db8f154 2736/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2737 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2738 * this results in many functions being undeclared which bothers C++
2739 * May make sense to have threads after "*ish.h" anyway
2740 */
2741
3db8f154 2742#if defined(USE_ITHREADS)
2986a63f
JH		 2743# ifdef NETWARE
2744# include <nw5thread.h>
2745# else
32f822de
GS		 2746# ifdef FAKE_THREADS
2747# include "fakethr.h"
2748# else
2749# ifdef WIN32
2750# include <win32thread.h>
2751# else
dd96f567
IZ		 2752# ifdef OS2
2753# include "os2thread.h"
2754# else
7f3d1cf1 2755# ifdef I_MACH_CTHREADS
bdd66968 2756# include <mach/cthreads.h>
8f1f23e8 2757# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2758# define MUTEX_INIT_CALLS_MALLOC
2759# endif
7f3d1cf1
BH		 2760typedef cthread_t perl_os_thread;
2761typedef mutex_t perl_mutex;
2762typedef condition_t perl_cond;
2763typedef void * perl_key;
2764# else /* Posix threads */
1f5ae88c
JH		 2765# ifdef I_PTHREAD
2766# include <pthread.h>
2767# endif
7f3d1cf1
BH		 2768typedef pthread_t perl_os_thread;
2769typedef pthread_mutex_t perl_mutex;
2770typedef pthread_cond_t perl_cond;
2771typedef pthread_key_t perl_key;
2772# endif /* I_MACH_CTHREADS */
dd96f567 2773# endif /* OS2 */
32f822de
GS		 2774# endif /* WIN32 */
2775# endif /* FAKE_THREADS */
2986a63f 2776#endif /* NETWARE */
3db8f154 2777#endif /* USE_ITHREADS */
c5be433b 2778
66a93824 2779#if defined(WIN32)
1feb2720 2780# include "win32.h"
c5be433b
GS		 2781#endif
2782
2986a63f
JH		 2783#ifdef NETWARE
2784# include "netware.h"
2785#endif
2786
e5218da5 2787#define STATUS_UNIX PL_statusvalue
68dc0745 2788#ifdef VMS
6b88bc9c 2789# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2790/*
2791 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2792 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2793 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2794 * be updated also.
2795 */
2796# include <stsdef.h>
2797# include <ssdef.h>
2798/* Presume this because if VMS changes it, it will require a new
2799 * set of APIs for waiting on children for binary compatibility.
2800 */
2801# define child_offset_bits (8)
2802# ifndef C_FAC_POSIX
2803# define C_FAC_POSIX 0x35A000
2804# endif
2805
2806/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2807 * platform from the existing UNIX or Native status values.
2808 */
2809
37038d91 2810# define STATUS_EXIT \
7a7fd8e0
JM		 2811 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2812 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2813
7a7fd8e0 2814
fb38d079
JM		 2815/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2816 * exit code and shifts the UNIX value over the correct number of bits to
2817 * be a child status. Usually the number of bits is 8, but that could be
2818 * platform dependent. The NATIVE status code is presumed to have either
2819 * from a child process.
7a7fd8e0
JM		 2820 */
2821
fb38d079
JM		 2822/* This is complicated. The child processes return a true native VMS
2823 status which must be saved. But there is an assumption in Perl that
2824 the UNIX child status has some relationship to errno values, so
2825 Perl tries to translate it to text in some of the tests.
2826 In order to get the string translation correct, for the error, errno
2827 must be EVMSERR, but that generates a different text message
2828 than what the test programs are expecting. So an errno value must
2829 be derived from the native status value when an error occurs.
2830 That will hide the true native status message. With this version of
2831 perl, the true native child status can always be retrieved so that
2832 is not a problem. But in this case, Pl_statusvalue and errno may
2833 have different values in them.
2834 */
7a7fd8e0 2835
fb38d079 2836# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2837 STMT_START { \
2fbb330f
JM		 2838 I32 evalue = (I32)n; \
2839 if (evalue == EVMSERR) { \
2840 PL_statusvalue_vms = vaxc$errno; \
2841 PL_statusvalue = evalue; \
7a7fd8e0 2842 } else { \
2fbb330f 2843 PL_statusvalue_vms = evalue; \
fb38d079 2844 if (evalue == -1) { \
3280af22 2845 PL_statusvalue = -1; \
7a7fd8e0
JM		 2846 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2847 } else \
fb38d079 2848 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2849 set_vaxc_errno(evalue); \
fb38d079
JM		 2850 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2851 set_errno(EVMSERR); \
2852 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2853 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2854 } \
68dc0745 2855 } STMT_END
7a7fd8e0 2856
68dc0745 2857# ifdef VMSISH_STATUS
e5218da5 2858# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2859# else
e5218da5 2860# define STATUS_CURRENT STATUS_UNIX
68dc0745 2861# endif
7a7fd8e0
JM		 2862
2863 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2864 * the NATIVE status to an equivalent value. Can not be used to translate
2865 * exit code values as exit code values are not guaranteed to have any
2866 * relationship at all to errno values.
2867 * This is used when Perl is forcing errno to have a specific value.
2868 */
e5218da5 2869# define STATUS_UNIX_SET(n) \
68dc0745 2870 STMT_START { \
7a7fd8e0 2871 I32 evalue = (I32)n; \
0968cdad 2872 PL_statusvalue = evalue; \
3280af22 2873 if (PL_statusvalue != -1) { \
0968cdad
JM		 2874 if (PL_statusvalue != EVMSERR) { \
2875 PL_statusvalue &= 0xFFFF; \
2876 if (MY_POSIX_EXIT) \
2877 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2878 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2879 } \
2880 else { \
2881 PL_statusvalue_vms = vaxc$errno; \
2882 } \
68dc0745 2883 } \
0968cdad
JM		 2884 else PL_statusvalue_vms = SS$_ABORT; \
2885 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2886 } STMT_END
2887
2888 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2889 * the NATIVE error status based on it. It does not assume that
fb38d079
JM		 2890 * the UNIX/POSIX exit codes have any relationship to errno, except
2891 * that 0 indicates a success. When in the default mode to comply
6ac6a52b
JM		 2892 * with the Perl VMS documentation, any other code sets the NATIVE
2893 * status to a failure code of SS$_ABORT.
fb38d079
JM		 2894 *
2895 * In the new POSIX EXIT mode, native status will be set so that the
2896 * actual exit code will can be retrieved by the calling program or
2897 * shell.
2898 *
2899 * If the exit code is not clearly a UNIX parent or child exit status,
2900 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2901 */
2902
fb38d079 2903# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2904 STMT_START { \
2905 I32 evalue = (I32)n; \
2906 PL_statusvalue = evalue; \
fb38d079
JM		 2907 if (evalue != -1) { \
2908 if (evalue <= 0xFF00) { \
2909 if (evalue > 0xFF) \
2910 evalue = (evalue >> child_offset_bits) & 0xFF; \
2911 if (evalue == 0) \
2912 PL_statusvalue_vms == SS$_NORMAL; \
2913 else \
2914 if (MY_POSIX_EXIT) \
2915 PL_statusvalue_vms = \
2916 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2917 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
0968cdad 2918 else \
6ac6a52b 2919 PL_statusvalue_vms = SS$_ABORT; \
fb38d079
JM		 2920 } else { /* forgive them Perl, for they have sinned */ \
2921 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2922 else PL_statusvalue_vms = vaxc$errno; \
2923 /* And obviously used a VMS status value instead of UNIX */ \
2924 PL_statusvalue = EVMSERR; \
2925 } \
7a7fd8e0
JM		 2926 } \
2927 else PL_statusvalue_vms = SS$_ABORT; \
2928 set_vaxc_errno(PL_statusvalue_vms); \
68dc0745 2929 } STMT_END
fb38d079 2930
6ac6a52b
JM		 2931 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2932 * and sets the NATIVE error status based on it. This special case
2933 * is needed to maintain compatibility with past VMS behavior.
2934 *
2935 * In the default mode on VMS, this number is passed through as
2936 * both the NATIVE and UNIX status. Which makes it different
2937 * that the STATUS_UNIX_EXIT_SET.
2938 *
2939 * In the new POSIX EXIT mode, native status will be set so that the
2940 * actual exit code will can be retrieved by the calling program or
2941 * shell.
2942 *
2943 */
2944
2945# define STATUS_EXIT_SET(n) \
2946 STMT_START { \
2947 I32 evalue = (I32)n; \
2948 PL_statusvalue = evalue; \
2949 if (MY_POSIX_EXIT) \
2950 PL_statusvalue_vms = \
2951 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2952 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
6ac6a52b
JM		 2953 else \
2954 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2955 set_vaxc_errno(PL_statusvalue_vms); \
2956 } STMT_END
2957
fb38d079
JM		 2958
2959 /* This macro forces a success status */
7a7fd8e0
JM		 2960# define STATUS_ALL_SUCCESS \
2961 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 2962
2963 /* This macro forces a failure status */
7a7fd8e0
JM		 2964# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2965 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2966 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2967
68dc0745 2968#else
e5218da5 2969# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2970# if defined(WCOREDUMP)
37038d91 2971# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2972 STMT_START { \
2973 PL_statusvalue_posix = (n); \
2974 if (PL_statusvalue_posix == -1) \
2975 PL_statusvalue = -1; \
2976 else { \
2977 PL_statusvalue = \
2978 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2979 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2980 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2981 } \
2982 } STMT_END
2983# elif defined(WIFEXITED)
37038d91 2984# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2985 STMT_START { \
2986 PL_statusvalue_posix = (n); \
2987 if (PL_statusvalue_posix == -1) \
2988 PL_statusvalue = -1; \
2989 else { \
2990 PL_statusvalue = \
2991 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2992 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2993 } \
2994 } STMT_END
2995# else
37038d91 2996# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2997 STMT_START { \
2998 PL_statusvalue_posix = (n); \
2999 if (PL_statusvalue_posix == -1) \
3000 PL_statusvalue = -1; \
3001 else { \
3002 PL_statusvalue = \
3003 PL_statusvalue_posix & 0xFFFF; \
3004 } \
3005 } STMT_END
3006# endif
3007# define STATUS_UNIX_SET(n) \
68dc0745 3008 STMT_START { \
3280af22
NIS		 3009 PL_statusvalue = (n); \
3010 if (PL_statusvalue != -1) \
3011 PL_statusvalue &= 0xFFFF; \
68dc0745 3012 } STMT_END
7a7fd8e0 3013# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3014# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3015# define STATUS_CURRENT STATUS_UNIX
37038d91 3016# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3017# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3018# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3019#endif
3020
cc3604b1
GS		 3021/* flags in PL_exit_flags for nature of exit() */
3022#define PERL_EXIT_EXPECTED 0x01
31d77e54 3023#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3024
0b94c7bb 3025#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 3026# define MEMBER_TO_FPTR(name) name
3027#endif
3028
3029/* format to use for version numbers in file/directory names */
273cf8d1 3030/* XXX move to Configure? */
a7cb1f99 3031#ifndef PERL_FS_VER_FMT
273cf8d1 3032# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 3033#endif
3034
45bc9206 3035/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3036 * performance issue, so we allow people to disable it. Also, if
3037 * we are using stdio, there are broken implementations of fflush(NULL)
3038 * out there, Solaris being the most prominent.
45bc9206
GS		 3039 */
3040#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3041# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3042# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3043# else
3044# ifdef FFLUSH_ALL
3045# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3046# else
c5be433b 3047# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3048# endif
66fe083f 3049# endif
45bc9206
GS		 3050#endif
3051
7766f137
GS		 3052#ifndef PERL_WAIT_FOR_CHILDREN
3053# define PERL_WAIT_FOR_CHILDREN NOOP
3054#endif
3055
ba869deb 3056/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3057#ifndef PERL_SET_INTERP
3058# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3059#endif
3060
3061#ifndef PERL_GET_INTERP
3062# define PERL_GET_INTERP (PL_curinterp)
3063#endif
3064
54aff467 3065#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3066# ifdef MULTIPLICITY
ba869deb 3067# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3068# endif
ba869deb
GS		 3069# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3070#endif
3071
8896765a
RB		 3072/*
3073 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3074 All that is required is that the perl source does not
8896765a
RB		 3075 use "%-p" or "%-<number>p" or "%<number>p" formats.
3076 These formats will still work in perl code.
3077 See comments in sv.c for futher details.
3078
8896765a 3079 Robin Barker 2005-07-14
f46d31f2
RB		 3080
3081 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3082*/
8896765a
RB		 3083
3084#ifndef SVf_
63ce7bf0 3085# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3086#endif
3087
8896765a 3088#ifndef SVf
104abab4 3089# define SVf "-p"
d2560b70
RB		 3090#endif
3091
014ead4b 3092#ifndef SVf32
8896765a 3093# define SVf32 SVf_(32)
014ead4b
RB		 3094#endif
3095
3096#ifndef SVf256
8896765a
RB		 3097# define SVf256 SVf_(256)
3098#endif
3099
be2597df
MHM		 3100#define SVfARG(p) ((void*)(p))
3101
f46d31f2
RB		 3102#ifdef PERL_CORE
3103/* not used; but needed for backward compatibilty with XS code? - RMB */
3104# undef VDf
3105#else
3106# ifndef VDf
8896765a
RB		 3107# define VDf "vd"
3108# endif
014ead4b 3109#endif
170cd9e9
NC		 3110
3111#ifdef PERL_CORE
f5992bc4 3112/* not used; but needed for backward compatibilty with XS code? - RMB */
7776bb98
RB		 3113# undef UVf
3114#else
170cd9e9
NC		 3115# ifndef UVf
3116# define UVf UVuf
3117# endif
d2560b70
RB		 3118#endif
3119
0dbb1585
AL		 3120#ifdef HASATTRIBUTE_FORMAT
3121# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3122#endif
3123#ifdef HASATTRIBUTE_MALLOC
77785eea 3124# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3125#endif
0dbb1585 3126#ifdef HASATTRIBUTE_NONNULL
abb2c242 3127# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3128#endif
0dbb1585 3129#ifdef HASATTRIBUTE_NORETURN
abb2c242 3130# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3131#endif
0dbb1585 3132#ifdef HASATTRIBUTE_PURE
abb2c242 3133# define __attribute__pure__ __attribute__((pure))
f22be1b8 3134#endif
0dbb1585
AL		 3135#ifdef HASATTRIBUTE_UNUSED
3136# define __attribute__unused__ __attribute__((unused))
3137#endif
3138#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3139# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3140#endif
3141
0dbb1585
AL		 3142/* If we haven't defined the attributes yet, define them to blank. */
3143#ifndef __attribute__format__
3144# define __attribute__format__(x,y,z)
3145#endif
f22be1b8 3146#ifndef __attribute__malloc__
abb2c242 3147# define __attribute__malloc__
f22be1b8
JH		 3148#endif
3149#ifndef __attribute__nonnull__
abb2c242 3150# define __attribute__nonnull__(a)
f22be1b8
JH		 3151#endif
3152#ifndef __attribute__noreturn__
abb2c242 3153# define __attribute__noreturn__
f22be1b8
JH		 3154#endif
3155#ifndef __attribute__pure__
abb2c242 3156# define __attribute__pure__
f22be1b8 3157#endif
0dbb1585
AL		 3158#ifndef __attribute__unused__
3159# define __attribute__unused__
3160#endif
f22be1b8 3161#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3162# define __attribute__warn_unused_result__
3163#endif
3164
0dbb1585
AL		 3165/* For functions that are marked as __attribute__noreturn__, it's not
3166 appropriate to call return. In either case, include the lint directive.
3167 */
3168#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3169# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3170#else
b37c2d43 3171# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH		 3172#endif
3173
cdfeb707
RB		 3174/* Some OS warn on NULL format to printf */
3175#ifdef PRINTF_FORMAT_NULL_OK
3176# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3177#else
3178# define __attribute__format__null_ok__(x,y,z)
3179#endif
3180
635aebb7 3181#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3182# define EXPECT(expr,val) __builtin_expect(expr,val)
3183#else
3184# define EXPECT(expr,val) (expr)
3185#endif
3186#define LIKELY(cond) EXPECT(cond,1)
3187#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3188#ifdef HAS_BUILTIN_CHOOSE_EXPR
3189/* placeholder */
3190#endif
b37c2d43 3191
3fc1aec6 3192/* Some unistd.h's give a prototype for pause() even though
3193 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3194 below to be rejected by the compiler. Sigh.
3fc1aec6 3195*/
3196#ifdef HAS_PAUSE
3197#define Pause pause
3198#else
3199#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3200#endif
3201
3202#ifndef IOCPARM_LEN
3203# ifdef IOCPARM_MASK
61f1c44b 3204 /* on BSDish systems we're safe */
748a9306
LW		 3205# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3206# else
61f1c44b 3207# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3208 /* on Linux systems we're safe; except when we're not [perl #38223] */
3209# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3210# else
748a9306 3211 /* otherwise guess at what's safe */
61f1c44b
JVD		 3212# define IOCPARM_LEN(x) 256
3213# endif
748a9306 3214# endif
a0d0e21e
LW		 3215#endif
3216
1761cee5 3217#if defined(__CYGWIN__)
521e0776
GS		 3218/* USEMYBINMODE
3219 * This symbol, if defined, indicates that the program should
16fe6d59 3220 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3221 * that a file is in "binary" mode -- that is, that no translation
3222 * of bytes occurs on read or write operations.
3223 */
36894f0b 3224# define USEMYBINMODE /**/
77a40698 3225# include <io.h> /* for setmode() prototype */
16fe6d59 3226# define my_binmode(fp, iotype, mode) \
77a40698 3227 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3228#endif
3229
88d10794
JH		 3230#ifdef __CYGWIN__
3231void init_os_extras(void);
3232#endif
3233
cea2e8a9
GS		 3234#ifdef UNION_ANY_DEFINITION
3235UNION_ANY_DEFINITION;
3236#else
3237union any {
3238 void* any_ptr;
3239 I32 any_i32;
3240 IV any_iv;
3241 long any_long;
9febdf04 3242 bool any_bool;
c76ac1ee 3243 void (*any_dptr) (void*);
acfe0abc 3244 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3245};
3246#endif
3247
acfe0abc 3248typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3249
3250#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3251#define FILTER_DATA(idx) \
3252 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3253#define FILTER_ISREADER(idx) \
3254 (PL_parser && PL_parser->rsfp_filters \
3255 && idx >= AvFILLp(PL_parser->rsfp_filters))
3256#define PERL_FILTER_EXISTS(i) \
3257 (PL_parser && PL_parser->rsfp_filters \
3258 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3259
c5078cac
JH		 3260#if defined(_AIX) && !defined(_AIX43)
3261#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3262/* We cannot include <crypt.h> to get the struct crypt_data
3263 * because of setkey prototype problems when threading */
3264typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3265 /* From OSF, Not needed in AIX
3266 char C[28], D[28];
3267 */
3268 char E[48];
3269 char KS[16][48];
3270 char block[66];
3271 char iobuf[16];
3272} CRYPTD;
3273#endif /* threading */
3274#endif /* AIX */
3275
af8b425d 3276#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 3277# include "iperlsys.h"
3278#endif
504f80c1 3279
9c12f1e5
RGS		 3280#ifdef __LIBCATAMOUNT__
3281#undef HAS_PASSWD /* unixish.h but not unixish enough. */
3282#undef HAS_GROUP
3283#define FAKE_BIT_BUCKET
3284#endif
3285
d10dc2ae
JH		 3286/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3287 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3288 * defined by Configure, despite their names being similar to the
3289 * other defines like USE_ITHREADS. Configure in fact knows nothing
3290 * about the randomised hashes. Therefore to enable/disable the hash
3291 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3292#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3293# define USE_HASH_SEED
504f80c1
JH		 3294#endif
3295
598921a7
NC		 3296/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3297 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3298 * it's not really needed.
3299 */
3300#if defined(WIN32)
3301# define YYTOKENTYPE
3302#endif
3303#include "perly.h"
3304
3305#ifdef PERL_MAD
3306struct nexttoken {
3307 YYSTYPE next_val; /* value of next token, if any */
3308 I32 next_type; /* type of next token */
3309 MADPROP *next_mad; /* everything else about that token */
3310};
3311#endif
3312
79072805 3313#include "sv.h"
288b8c02 3314#include "regexp.h"
378cc40b 3315#include "util.h"
8d063cd8 3316#include "form.h"
79072805 3317#include "gv.h"
dd2155a4 3318#include "pad.h"
79072805 3319#include "cv.h"
abdd5c84 3320#include "opnames.h"
79072805 3321#include "op.h"
b3ca2e83 3322#include "hv.h"
79072805
LW		 3323#include "cop.h"
3324#include "av.h"
79072805
LW		 3325#include "mg.h"
3326#include "scope.h"
4438c4b7 3327#include "warnings.h"
a0ed51b3 3328#include "utf8.h"
8d063cd8 3329
20f4945e
MHM		 3330/* defined in sv.c, but also used in [ach]v.c */
3331#undef _XPV_ALLOCATED_HEAD
3332#undef _XPV_HEAD
3333#undef _XPVMG_HEAD
3334#undef _XPVCV_COMMON
7fae4e64
GS		 3335
3336typedef struct _sublex_info SUBLEXINFO;
3337struct _sublex_info {
651b5b28
NC		 3338 U8 super_state; /* lexer state to save */
3339 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3340 OP *sub_op; /* "lex_op" to use */
f06b5848
DM		 3341 char *super_bufptr; /* PL_parser->bufptr that was */
3342 char *super_bufend; /* PL_parser->bufend that was */
7fae4e64
GS		 3343};
3344
199e78b7
DM		 3345#include "parser.h"
3346
455ece5e 3347typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3348
2c2d71f5 3349struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3350struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3351
6f51351d
NC		 3352/* Keep next first in this structure, because sv_free_arenas take
3353 advantage of this to share code between the pte arenas and the SV
3354 body arenas */
5f7fde29
GS		 3355struct ptr_tbl_ent {
3356 struct ptr_tbl_ent* next;
53c1dcc0 3357 const void* oldval;
5f7fde29 3358 void* newval;
d18c6117
GS		 3359};
3360
5f7fde29
GS		 3361struct ptr_tbl {
3362 struct ptr_tbl_ent** tbl_ary;
3363 UV tbl_max;
3364 UV tbl_items;
d18c6117
GS		 3365};
3366
450a55e4 3367#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3368# define I286
3369#endif
3370
fe14fcc3
LW		 3371#if defined(htonl) && !defined(HAS_HTONL)
3372#define HAS_HTONL
ae986130 3373#endif
fe14fcc3
LW		 3374#if defined(htons) && !defined(HAS_HTONS)
3375#define HAS_HTONS
ae986130 3376#endif
fe14fcc3
LW		 3377#if defined(ntohl) && !defined(HAS_NTOHL)
3378#define HAS_NTOHL
ae986130 3379#endif
fe14fcc3
LW		 3380#if defined(ntohs) && !defined(HAS_NTOHS)
3381#define HAS_NTOHS
ae986130 3382#endif
fe14fcc3 3383#ifndef HAS_HTONL
d9d8d8de 3384#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3385#define HAS_HTONS
3386#define HAS_HTONL
3387#define HAS_NTOHS
3388#define HAS_NTOHL
a687059c
LW		 3389#define MYSWAP
3390#define htons my_swap
3391#define htonl my_htonl
3392#define ntohs my_swap
3393#define ntohl my_ntohl
3394#endif
3395#else
d9d8d8de 3396#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3397#undef HAS_HTONS
3398#undef HAS_HTONL
3399#undef HAS_NTOHS
3400#undef HAS_NTOHL
a687059c
LW		 3401#endif
3402#endif
3403
988174c1
LW		 3404/*
3405 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3406 * -DWS
3407 */
3408#if BYTEORDER != 0x1234
3409# define HAS_VTOHL
3410# define HAS_VTOHS
3411# define HAS_HTOVL
3412# define HAS_HTOVS
c67712b2 3413# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3414# define vtohl(x) ((((x)&0xFF)<<24) \
3415 +(((x)>>24)&0xFF) \
3416 +(((x)&0x0000FF00)<<8) \
3417 +(((x)&0x00FF0000)>>8) )
3418# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3419# define htovl(x) vtohl(x)
3420# define htovs(x) vtohs(x)
3421# endif
3422 /* otherwise default to functions in util.c */
2a8c3029 3423#ifndef htovs
c623ac67
GS		 3424short htovs(short n);
3425short vtohs(short n);
3426long htovl(long n);
3427long vtohl(long n);
988174c1 3428#endif
2a8c3029 3429#endif
988174c1 3430
3bb7c1b4
JH		 3431/* *MAX Plus 1. A floating point value.
3432 Hopefully expressed in a way that dodgy floating point can't mess up.
3433 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3434 is added to it
3435 May find that some broken compiler will want the value cast to I32.
3436 [after the shift, as signed >> may not be as secure as unsigned >>]
3437*/
3438#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3439#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3440/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3441 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3442 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3443*/
3444#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3445
3bb7c1b4
JH		 3446#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3447#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3448#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3449
3450/* This may look like unnecessary jumping through hoops, but converting
3451 out of range floating point values to integers *is* undefined behaviour,
3452 and it is starting to bite.
3453*/
3454#ifndef CAST_INLINE
65202027 3455#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3456#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3457#define I_V(what) (cast_iv((NV)(what)))
3458#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3459#else
3460#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3461 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3462 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3463#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3464 : ((n) < U32_MAX_P1 ? (U32) (n) \
3465 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3466#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3467 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3468 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3469#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3470 : ((n) < UV_MAX_P1 ? (UV) (n) \
3471 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3472#endif
3473
3474#define U_S(what) ((U16)U_32(what))
3475#define U_I(what) ((unsigned int)U_32(what))
3476#define U_L(what) U_32(what)
ed6116ce 3477
ed140128
AD		 3478#ifdef HAS_SIGNBIT
3479# define Perl_signbit signbit
3480#endif
3481
2d4389e4
JH		 3482/* These do not care about the fractional part, only about the range. */
3483#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3484#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3485
25da4f38
IZ		 3486/* Used with UV/IV arguments: */
3487 /* XXXX: need to speed it up */
3488#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3489#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3490
352d5a3a
LW		 3491#ifndef MAXSYSFD
3492# define MAXSYSFD 2
3493#endif
ee0007ab 3494
79072805 3495#ifndef __cplusplus
27da23d5 3496#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3497Uid_t getuid (void);
3498Uid_t geteuid (void);
3499Gid_t getgid (void);
3500Gid_t getegid (void);
79072805 3501#endif
e1caacb4 3502#endif
8d063cd8 3503
0c30d9ec 3504#ifndef Perl_debug_log
bf49b057
GS		 3505# define Perl_debug_log PerlIO_stderr()
3506#endif
3507
3508#ifndef Perl_error_log
3509# define Perl_error_log (PL_stderrgv \
6b78add2 3510 && isGV(PL_stderrgv) \
01bb7c6d 3511 && GvIOp(PL_stderrgv) \
42de951c 3512 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3513 ? IoOFP(GvIOp(PL_stderrgv)) \
3514 : PerlIO_stderr())
0c30d9ec 3515#endif
3967c732 3516
aea4f609
DM		 3517
3518#define DEBUG_p_FLAG 0x00000001 /* 1 */
3519#define DEBUG_s_FLAG 0x00000002 /* 2 */
3520#define DEBUG_l_FLAG 0x00000004 /* 4 */
3521#define DEBUG_t_FLAG 0x00000008 /* 8 */
3522#define DEBUG_o_FLAG 0x00000010 /* 16 */
3523#define DEBUG_c_FLAG 0x00000020 /* 32 */
3524#define DEBUG_P_FLAG 0x00000040 /* 64 */
3525#define DEBUG_m_FLAG 0x00000080 /* 128 */
3526#define DEBUG_f_FLAG 0x00000100 /* 256 */
3527#define DEBUG_r_FLAG 0x00000200 /* 512 */
3528#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3529#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3530/* U is reserved for Unofficial, exploratory hacking */
3531#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3532#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3533#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3534#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3535#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3536#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3537#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3538#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3539#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3540#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3541#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3542#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3543#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3544
3545#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3546#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3547 that something was done? */
aea4f609 3548
bd16a5f0
IZ		 3549# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3550# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3551# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3552# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3553# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3554# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3555# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3556# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3557# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3558# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3559# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3560# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3561# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3562# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3563# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3564# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3565# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3566# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3567# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3568# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3569# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3570# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3571# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3572# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3573# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3574# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3575
3967c732 3576#ifdef DEBUGGING
aea4f609 3577
bd16a5f0
IZ		 3578# define DEBUG_p_TEST DEBUG_p_TEST_
3579# define DEBUG_s_TEST DEBUG_s_TEST_
3580# define DEBUG_l_TEST DEBUG_l_TEST_
3581# define DEBUG_t_TEST DEBUG_t_TEST_
3582# define DEBUG_o_TEST DEBUG_o_TEST_
3583# define DEBUG_c_TEST DEBUG_c_TEST_
3584# define DEBUG_P_TEST DEBUG_P_TEST_
3585# define DEBUG_m_TEST DEBUG_m_TEST_
3586# define DEBUG_f_TEST DEBUG_f_TEST_
3587# define DEBUG_r_TEST DEBUG_r_TEST_
3588# define DEBUG_x_TEST DEBUG_x_TEST_
3589# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3590# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3591# define DEBUG_H_TEST DEBUG_H_TEST_
3592# define DEBUG_X_TEST DEBUG_X_TEST_
3593# define DEBUG_D_TEST DEBUG_D_TEST_
3594# define DEBUG_S_TEST DEBUG_S_TEST_
3595# define DEBUG_T_TEST DEBUG_T_TEST_
3596# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3597# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3598# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3599# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3600# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3601# define DEBUG_q_TEST DEBUG_q_TEST_
7949c6f5
JC		 3602# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3603# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
aea4f609 3604
488b0c7a
JH		 3605# define PERL_DEB(a) a
3606# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3607# define DEBUG_p(a) if (DEBUG_p_TEST) a
3608# define DEBUG_s(a) if (DEBUG_s_TEST) a
3609# define DEBUG_l(a) if (DEBUG_l_TEST) a
3610# define DEBUG_t(a) if (DEBUG_t_TEST) a
3611# define DEBUG_o(a) if (DEBUG_o_TEST) a
3612# define DEBUG_c(a) if (DEBUG_c_TEST) a
3613# define DEBUG_P(a) if (DEBUG_P_TEST) a
3614
969058bb
VK		 3615 /* Temporarily turn off memory debugging in case the a
3616 * does memory allocation, either directly or indirectly. */
acfe0abc 3617# define DEBUG_m(a) \
0b250b9e 3618 STMT_START { \
aea4f609 3619 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3620 } STMT_END
aea4f609 3621
5f80b19c
AMS		 3622# define DEBUG__(t, a) \
3623 STMT_START { \
3624 if (t) STMT_START {a;} STMT_END; \
3625 } STMT_END
3626
3627# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3628#ifndef PERL_EXT_RE_BUILD
5f80b19c 3629# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3630#else
3631# define DEBUG_r(a) STMT_START {a;} STMT_END
3632#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3633# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3634# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3635# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3636# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3637# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3638# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3639# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3640# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
aea4f609 3641
3db8f154 3642# define DEBUG_S(a)
aea4f609 3643
5f80b19c
AMS		 3644# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3645# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3646# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3647# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3648# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3649# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 3650
3651#else /* DEBUGGING */
3652
3653# define DEBUG_p_TEST (0)
3654# define DEBUG_s_TEST (0)
3655# define DEBUG_l_TEST (0)
3656# define DEBUG_t_TEST (0)
3657# define DEBUG_o_TEST (0)
3658# define DEBUG_c_TEST (0)
3659# define DEBUG_P_TEST (0)
3660# define DEBUG_m_TEST (0)
3661# define DEBUG_f_TEST (0)
3662# define DEBUG_r_TEST (0)
3663# define DEBUG_x_TEST (0)
3664# define DEBUG_u_TEST (0)
88d2d28a 3665# define DEBUG_U_TEST (0)
aea4f609
DM		 3666# define DEBUG_H_TEST (0)
3667# define DEBUG_X_TEST (0)
3668# define DEBUG_D_TEST (0)
3669# define DEBUG_S_TEST (0)
3670# define DEBUG_T_TEST (0)
04932ac8 3671# define DEBUG_R_TEST (0)
1045810a 3672# define DEBUG_J_TEST (0)
d6721266 3673# define DEBUG_v_TEST (0)
46187eeb 3674# define DEBUG_C_TEST (0)
ecae49c0
NC		 3675# define DEBUG_A_TEST (0)
3676# define DEBUG_q_TEST (0)
7949c6f5
JC		 3677# define DEBUG_Xv_TEST (0)
3678# define DEBUG_Uv_TEST (0)
aea4f609 3679
488b0c7a
JH		 3680# define PERL_DEB(a)
3681# define PERL_DEBUG(a)
aea4f609
DM		 3682# define DEBUG_p(a)
3683# define DEBUG_s(a)
3684# define DEBUG_l(a)
3685# define DEBUG_t(a)
3686# define DEBUG_o(a)
3687# define DEBUG_c(a)
3688# define DEBUG_P(a)
3689# define DEBUG_m(a)
3690# define DEBUG_f(a)
3691# define DEBUG_r(a)
3692# define DEBUG_x(a)
3693# define DEBUG_u(a)
88d2d28a 3694# define DEBUG_U(a)
aea4f609
DM		 3695# define DEBUG_H(a)
3696# define DEBUG_X(a)
3697# define DEBUG_D(a)
3698# define DEBUG_S(a)
3699# define DEBUG_T(a)
04932ac8 3700# define DEBUG_R(a)
d6721266 3701# define DEBUG_v(a)
46187eeb 3702# define DEBUG_C(a)
ecae49c0
NC		 3703# define DEBUG_A(a)
3704# define DEBUG_q(a)
7949c6f5
JC		 3705# define DEBUG_Xv(a)
3706# define DEBUG_Uv(a)
aea4f609
DM		 3707#endif /* DEBUGGING */
3708
3709
b4ab917c
DM		 3710#define DEBUG_SCOPE(where) \
3711 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3712 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM		 3713
3714
3715
3716
d1be9408 3717/* These constants should be used in preference to raw characters
14befaf4
DM		 3718 * when using magic. Note that some perl guts still assume
3719 * certain character properties of these constants, namely that
3720 * isUPPER() and toLOWER() may do useful mappings.
3721 *
3722 * Update the magic_names table in dump.c when adding/amending these
3723 */
3724
3725#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3726#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3727#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3728#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3729#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3730#define PERL_MAGIC_regdata 'D' /* Regex match position data
3731 (@+ and @- vars) */
3732#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3733#define PERL_MAGIC_env 'E' /* %ENV hash */
3734#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3735#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3736#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
b3ca2e83
NC		 3737#define PERL_MAGIC_hints 'H' /* %^H hash */
3738#define PERL_MAGIC_hintselem 'h' /* %^H hash element */
14befaf4
DM		 3739#define PERL_MAGIC_isa 'I' /* @ISA array */
3740#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3741#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3742#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3743#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3744#define PERL_MAGIC_shared 'N' /* Shared between threads */
3745#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3746#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3747#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3748#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3749#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3750#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3751#define PERL_MAGIC_sig 'S' /* %SIG hash */
3752#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3753#define PERL_MAGIC_taint 't' /* Taintedness */
3754#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3755#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3756#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3757#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3758#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3759#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3760#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3761 smart parameter vivification */
14befaf4
DM		 3762#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3763#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3764#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3765#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3766#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3767#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM		 3768#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3769
de84dc04
NC		 3770#if defined(DEBUGGING) && defined(I_ASSERT)
3771# include <assert.h>
3772#endif
3773
3774/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3775 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3776
de84dc04 3777#define Perl_assert(what) PERL_DEB( \
2b057284 3778 ((what) ? ((void) 0) : \
67eb4d30 3779 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3780 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3781 (void) 0)))
de84dc04
NC		 3782
3783#ifndef assert
3784# define assert(what) Perl_assert(what)
a446a88f 3785#endif
8d063cd8 3786
450a55e4 3787struct ufuncs {
24f81a43
DM		 3788 I32 (*uf_val)(pTHX_ IV, SV*);
3789 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3790 IV uf_index;
450a55e4
LW		 3791};
3792
14befaf4 3793/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3794 * XS code wanting to be backward compatible can do something
3795 * like the following:
c745e42c 3796
24f81a43 3797#ifndef PERL_MG_UFUNC
24f81a43
DM		 3798#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3799#endif
3800
3801static PERL_MG_UFUNC(foo_get, index, val)
3802{
3803 sv_setsv(val, ...);
3804 return TRUE;
3805}
3806
3807-- Doug MacEachern
3808
3809*/
3810
fc9c74e6 3811#ifndef PERL_MG_UFUNC
24f81a43 3812#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3813#endif
24f81a43 3814
fe14fcc3 3815/* Fix these up for __STDC__ */
68dc0745 3816#ifndef DONT_DECLARE_STD
20ce7b12 3817char *mktemp (char*);
37bd1396 3818#ifndef atof
20ce7b12 3819double atof (const char*);
a0d0e21e 3820#endif
37bd1396 3821#endif
79072805 3822
352d5a3a 3823#ifndef STANDARD_C
fe14fcc3 3824/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3825Time_t time();
8d063cd8 3826struct tm *gmtime(), *localtime();
092bebab 3827#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3828char *(strchr)(), *(strrchr)();
3829char *(strcpy)(), *(strcat)();
3830#else
93a17b20 3831char *strchr(), *strrchr();
378cc40b 3832char *strcpy(), *strcat();
9d116dd7 3833#endif
352d5a3a 3834#endif /* ! STANDARD_C */
8d063cd8 3835
79072805
LW		 3836
3837#ifdef I_MATH
3838# include <math.h>
3839#else
32f822de 3840START_EXTERN_C
20ce7b12
GS		 3841 double exp (double);
3842 double log (double);
3843 double log10 (double);
3844 double sqrt (double);
3845 double frexp (double,int*);
3846 double ldexp (double,int);
3847 double modf (double,double*);
3848 double sin (double);
3849 double cos (double);
3850 double atan2 (double,double);
3851 double pow (double,double);
32f822de 3852END_EXTERN_C
79072805
LW		 3853#endif
3854
aa8b85de
JH		 3855#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3856# define NV_INF LDBL_INFINITY
3857#endif
3858#if !defined(NV_INF) && defined(DBL_INFINITY)
3859# define NV_INF (NV)DBL_INFINITY
3860#endif
3861#if !defined(NV_INF) && defined(INFINITY)
3862# define NV_INF (NV)INFINITY
3863#endif
3864#if !defined(NV_INF) && defined(INF)
3865# define NV_INF (NV)INF
3866#endif
3867#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3868# define NV_INF (NV)HUGE_VALL
3869#endif
3870#if !defined(NV_INF) && defined(HUGE_VAL)
3871# define NV_INF (NV)HUGE_VAL
3872#endif
3873
3874#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3875# if !defined(NV_NAN) && defined(LDBL_NAN)
3876# define NV_NAN LDBL_NAN
3877# endif
3878# if !defined(NV_NAN) && defined(LDBL_QNAN)
3879# define NV_NAN LDBL_QNAN
3880# endif
3881# if !defined(NV_NAN) && defined(LDBL_SNAN)
3882# define NV_NAN LDBL_SNAN
3883# endif
3884#endif
3885#if !defined(NV_NAN) && defined(DBL_NAN)
3886# define NV_NAN (NV)DBL_NAN
3887#endif
3888#if !defined(NV_NAN) && defined(DBL_QNAN)
3889# define NV_NAN (NV)DBL_QNAN
3890#endif
3891#if !defined(NV_NAN) && defined(DBL_SNAN)
3892# define NV_NAN (NV)DBL_SNAN
3893#endif
3894#if !defined(NV_NAN) && defined(QNAN)
3895# define NV_NAN (NV)QNAN
3896#endif
3897#if !defined(NV_NAN) && defined(SNAN)
3898# define NV_NAN (NV)SNAN
3899#endif
3900#if !defined(NV_NAN) && defined(NAN)
3901# define NV_NAN (NV)NAN
3902#endif
3903
a0d0e21e 3904#ifndef __cplusplus
8f1f23e8 3905# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3906char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3907# else
fd8cd3a3 3908# if !defined(WIN32) && !defined(VMS)
10bc17b6 3909#ifndef crypt
20ce7b12 3910char *crypt (const char*, const char*);
10bc17b6 3911#endif
5014db98 3912# endif /* !WIN32 */
8f1f23e8 3913# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3914# ifndef DONT_DECLARE_STD
3915# ifndef getenv
20ce7b12 3916char *getenv (const char*);
26618a56 3917# endif /* !getenv */
28ca6303 3918# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3919# ifdef _FILE_OFFSET_BITS
28ca6303 3920# if _FILE_OFFSET_BITS == 64
20ce7b12 3921Off_t lseek (int,Off_t,int);
0fc67700
JH		 3922# endif
3923# endif
bf0c440f 3924# endif
26618a56 3925# endif /* !DONT_DECLARE_STD */
10bc17b6 3926#ifndef getlogin
20ce7b12 3927char *getlogin (void);
10bc17b6 3928#endif
26618a56 3929#endif /* !__cplusplus */
79072805 3930
7a7fd8e0
JM		 3931/* Fixme on VMS. This needs to be a run-time, not build time options */
3932/* Also rename() is affected by this */
16d20bd9 3933#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3934#define UNLINK unlnk
083639a9 3935I32 unlnk (pTHX_ const char*);
8d063cd8 3936#else
80252599 3937#define UNLINK PerlLIO_unlink
8d063cd8 3938#endif
a687059c 3939
fa0a29af
JH		 3940/* some versions of glibc are missing the setresuid() proto */
3941#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3942int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3943#endif
fa0a29af
JH		 3944/* some versions of glibc are missing the setresgid() proto */
3945#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3946int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3947#endif
3948
fe14fcc3 3949#ifndef HAS_SETREUID
85e6fe83
LW		 3950# ifdef HAS_SETRESUID
3951# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3952# define HAS_SETREUID
3953# endif
a687059c 3954#endif
fe14fcc3 3955#ifndef HAS_SETREGID
85e6fe83
LW		 3956# ifdef HAS_SETRESGID
3957# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3958# define HAS_SETREGID
3959# endif
a687059c 3960#endif
ee0007ab 3961
d543acb6 3962/* Sighandler_t defined in iperlsys.h */
ff68c719 3963
3964#ifdef HAS_SIGACTION
3965typedef struct sigaction Sigsave_t;
3966#else
3967typedef Sighandler_t Sigsave_t;
3968#endif
3969
ee0007ab
LW		 3970#define SCAN_DEF 0
3971#define SCAN_TR 1
3972#define SCAN_REPL 2
79072805
LW		 3973
3974#ifdef DEBUGGING
4633a7c4 3975# ifndef register
a0d0e21e
LW		 3976# define register
3977# endif
cea2e8a9 3978# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3979#else
cea2e8a9 3980# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 3981#endif
3982
6cb8cb21 3983#ifdef USE_PERLIO
77db880c 3984EXTERN_C void PerlIO_teardown();
2f44961c 3985# ifdef USE_ITHREADS
6cb8cb21
RGS		 3986# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
3987# define PERLIO_TERM \
3988 STMT_START { \
d0820ef1 3989 PerlIO_teardown(); \
6cb8cb21
RGS		 3990 MUTEX_DESTROY(&PL_perlio_mutex);\
3991 } STMT_END
3992# else
3993# define PERLIO_INIT
d0820ef1 3994# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 3995# endif
6b29934b
NC		 3996#else
3997# define PERLIO_INIT
3998# define PERLIO_TERM
6cb8cb21
RGS		 3999#endif
4000
18f739ee 4001#ifdef MYMALLOC
772fe5b3 4002# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 4003# define MALLOC_INIT \
4004 STMT_START { \
4005 PL_malloc_mutex = NULL; \
4006 MUTEX_INIT(&PL_malloc_mutex); \
4007 } STMT_END
4008# define MALLOC_TERM \
4009 STMT_START { \
4010 perl_mutex tmp = PL_malloc_mutex; \
4011 PL_malloc_mutex = NULL; \
4012 MUTEX_DESTROY(&tmp); \
4013 } STMT_END
4014# else
4015# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4016# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4017# endif
18f739ee
IZ		 4018#else
4019# define MALLOC_INIT
4020# define MALLOC_TERM
4021#endif
4022
cd1541b2 4023#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 4024
4025struct perl_memory_debug_header;
cd1541b2
NC		 4026struct perl_memory_debug_header {
4027 tTHX interpreter;
4028# ifdef PERL_POISON
4029 MEM_SIZE size;
cd1541b2 4030# endif
7cb608b5
NC		 4031 struct perl_memory_debug_header *prev;
4032 struct perl_memory_debug_header *next;
cd1541b2
NC		 4033};
4034
4035# define sTHX (sizeof(struct perl_memory_debug_header) + \
4036 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4037 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4038
4039#endif
4040
7cb608b5
NC		 4041#ifdef PERL_TRACK_MEMPOOL
4042# define INIT_TRACK_MEMPOOL(header, interp) \
4043 STMT_START { \
4044 (header).interpreter = (interp); \
4045 (header).prev = (header).next = &(header); \
4046 } STMT_END
4047# else
4048# define INIT_TRACK_MEMPOOL(header, interp)
4049#endif
4050
b6d9d515 4051
0cb96387 4052typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 4053typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 4054typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 4055typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
eba16661 4056typedef bool (CPERLscope(*destroyable_proc_t)) (pTHX_ SV *sv);
22c35a8c 4057
940cb80d 4058/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 4059#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 4060
8f1f23e8
W		 4061/* NeXT has problems with crt0.o globals */
4062#if defined(__DYNAMIC__) && \
6239f2da 4063 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 4064# if defined(NeXT) || defined(__NeXT)
4065# include <mach-o/dyld.h>
4066# define environ (*environ_pointer)
0c30d9ec 4067EXT char *** environ_pointer;
8f1f23e8 4068# else
6239f2da 4069# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 4070# include <crt_externs.h> /* for the env array */
4071# define environ (*_NSGetEnviron())
4072# endif
0c30d9ec 4073# endif
8f1f23e8
W		 4074#else
4075 /* VMS and some other platforms don't use the environ array */
13b6e58c 4076# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 4077# if !defined(DONT_DECLARE_STD) || \
4078 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
4079 defined(__sgi) || \
d460ef45 4080 defined(__DGUX)
8f1f23e8 4081extern char ** environ; /* environment variables supplied via exec */
a6c40364 4082# endif
8f1f23e8
W		 4083# endif
4084#endif
79072805 4085
73c4f7a1
GS		 4086START_EXTERN_C
4087
79072805 4088/* handy constants */
22c35a8c 4089EXTCONST char PL_warn_uninit[]
29489e7c 4090 INIT("Use of uninitialized value%s%s%s");
22c35a8c 4091EXTCONST char PL_warn_nosemi[]
463ee0b2 4092 INIT("Semicolon seems to be missing");
22c35a8c 4093EXTCONST char PL_warn_reserved[]
463ee0b2 4094 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4095EXTCONST char PL_warn_nl[]
93a17b20 4096 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4097EXTCONST char PL_no_wrongref[]
a0d0e21e 4098 INIT("Can't use %s ref as %s ref");
22c35a8c 4099EXTCONST char PL_no_symref[]
748a9306 4100 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 4101EXTCONST char PL_no_symref_sv[]
014ead4b 4102 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 4103EXTCONST char PL_no_usym[]
8990e307 4104 INIT("Can't use an undefined value as %s reference");
22c35a8c 4105EXTCONST char PL_no_aelem[]
93a17b20 4106 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4107EXTCONST char PL_no_helem_sv[]
d04ff51e 4108 INIT("Modification of non-creatable hash value attempted, subscript \"%"SVf"\"");
22c35a8c 4109EXTCONST char PL_no_modify[]
93a17b20 4110 INIT("Modification of a read-only value attempted");
22c35a8c 4111EXTCONST char PL_no_mem[]
93a17b20 4112 INIT("Out of memory!\n");
22c35a8c 4113EXTCONST char PL_no_security[]
463ee0b2 4114 INIT("Insecure dependency in %s%s");
22c35a8c 4115EXTCONST char PL_no_sock_func[]
93a17b20 4116 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4117EXTCONST char PL_no_dir_func[]
93a17b20 4118 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4119EXTCONST char PL_no_func[]
93a17b20 4120 INIT("The %s function is unimplemented");
22c35a8c 4121EXTCONST char PL_no_myglob[]
952306ac 4122 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 4123EXTCONST char PL_no_localize_ref[]
4124 INIT("Can't localize through a reference");
27d5b266
JH		 4125EXTCONST char PL_memory_wrap[]
4126 INIT("panic: memory wrap");
93a17b20 4127
618b9757
NC		 4128#ifdef CSH
4129EXTCONST char PL_cshname[]
4130 INIT(CSH);
4131# define PL_cshlen (sizeof(CSH "") - 1)
4132#endif
4133
7575fa06 4134EXTCONST char PL_uuemap[65]
80252599
GS		 4135 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4136
79072805 4137#ifdef DOINIT
9444d213
NC		 4138EXTCONST char PL_uudmap[256] =
4139#include "uudmap.h"
4140;
27da23d5
JH		 4141EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4142EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4143#else
9444d213 4144EXTCONST char PL_uudmap[256];
27da23d5
JH		 4145EXTCONST char* const PL_sig_name[];
4146EXTCONST int PL_sig_num[];
79072805
LW		 4147#endif
4148
3bd709b1 4149/* fast conversion and case folding tables */
bbce6d69 4150
79072805 4151#ifdef DOINIT
9d116dd7 4152#ifdef EBCDIC
27da23d5 4153EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 4154 0, 1, 2, 3, 4, 5, 6, 7,
4155 8, 9, 10, 11, 12, 13, 14, 15,
4156 16, 17, 18, 19, 20, 21, 22, 23,
4157 24, 25, 26, 27, 28, 29, 30, 31,
4158 32, 33, 34, 35, 36, 37, 38, 39,
4159 40, 41, 42, 43, 44, 45, 46, 47,
4160 48, 49, 50, 51, 52, 53, 54, 55,
4161 56, 57, 58, 59, 60, 61, 62, 63,
4162 64, 65, 66, 67, 68, 69, 70, 71,
4163 72, 73, 74, 75, 76, 77, 78, 79,
4164 80, 81, 82, 83, 84, 85, 86, 87,
4165 88, 89, 90, 91, 92, 93, 94, 95,
4166 96, 97, 98, 99, 100, 101, 102, 103,
4167 104, 105, 106, 107, 108, 109, 110, 111,
4168 112, 113, 114, 115, 116, 117, 118, 119,
4169 120, 121, 122, 123, 124, 125, 126, 127,
4170 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4171 'H', 'I', 138, 139, 140, 141, 142, 143,
4172 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
4173 'Q', 'R', 154, 155, 156, 157, 158, 159,
4174 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
4175 'Y', 'Z', 170, 171, 172, 173, 174, 175,
4176 176, 177, 178, 179, 180, 181, 182, 183,
4177 184, 185, 186, 187, 188, 189, 190, 191,
4178 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4179 'h', 'i', 202, 203, 204, 205, 206, 207,
4180 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
4181 'q', 'r', 218, 219, 220, 221, 222, 223,
4182 224, 225, 's', 't', 'u', 'v', 'w', 'x',
4183 'y', 'z', 234, 235, 236, 237, 238, 239,
4184 240, 241, 242, 243, 244, 245, 246, 247,
4185 248, 249, 250, 251, 252, 253, 254, 255
4186};
4187#else /* ascii rather than ebcdic */
22c35a8c 4188EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4189 0, 1, 2, 3, 4, 5, 6, 7,
4190 8, 9, 10, 11, 12, 13, 14, 15,
4191 16, 17, 18, 19, 20, 21, 22, 23,
4192 24, 25, 26, 27, 28, 29, 30, 31,
4193 32, 33, 34, 35, 36, 37, 38, 39,
4194 40, 41, 42, 43, 44, 45, 46, 47,
4195 48, 49, 50, 51, 52, 53, 54, 55,
4196 56, 57, 58, 59, 60, 61, 62, 63,
4197 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4198 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4199 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4200 'x', 'y', 'z', 91, 92, 93, 94, 95,
4201 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4202 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4203 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4204 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4205 128, 129, 130, 131, 132, 133, 134, 135,
4206 136, 137, 138, 139, 140, 141, 142, 143,
4207 144, 145, 146, 147, 148, 149, 150, 151,
4208 152, 153, 154, 155, 156, 157, 158, 159,
4209 160, 161, 162, 163, 164, 165, 166, 167,
4210 168, 169, 170, 171, 172, 173, 174, 175,
4211 176, 177, 178, 179, 180, 181, 182, 183,
4212 184, 185, 186, 187, 188, 189, 190, 191,
4213 192, 193, 194, 195, 196, 197, 198, 199,
4214 200, 201, 202, 203, 204, 205, 206, 207,
4215 208, 209, 210, 211, 212, 213, 214, 215,
4216 216, 217, 218, 219, 220, 221, 222, 223,
4217 224, 225, 226, 227, 228, 229, 230, 231,
4218 232, 233, 234, 235, 236, 237, 238, 239,
4219 240, 241, 242, 243, 244, 245, 246, 247,
4220 248, 249, 250, 251, 252, 253, 254, 255
4221};
9d116dd7 4222#endif /* !EBCDIC */
79072805 4223#else
22c35a8c 4224EXTCONST unsigned char PL_fold[];
79072805
LW		 4225#endif
4226
27da23d5 4227#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4228#ifdef DOINIT
27da23d5 4229EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4230 0, 1, 2, 3, 4, 5, 6, 7,
4231 8, 9, 10, 11, 12, 13, 14, 15,
4232 16, 17, 18, 19, 20, 21, 22, 23,
4233 24, 25, 26, 27, 28, 29, 30, 31,
4234 32, 33, 34, 35, 36, 37, 38, 39,
4235 40, 41, 42, 43, 44, 45, 46, 47,
4236 48, 49, 50, 51, 52, 53, 54, 55,
4237 56, 57, 58, 59, 60, 61, 62, 63,
4238 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4239 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4240 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4241 'x', 'y', 'z', 91, 92, 93, 94, 95,
4242 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4243 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4244 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4245 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4246 128, 129, 130, 131, 132, 133, 134, 135,
4247 136, 137, 138, 139, 140, 141, 142, 143,
4248 144, 145, 146, 147, 148, 149, 150, 151,
4249 152, 153, 154, 155, 156, 157, 158, 159,
4250 160, 161, 162, 163, 164, 165, 166, 167,
4251 168, 169, 170, 171, 172, 173, 174, 175,
4252 176, 177, 178, 179, 180, 181, 182, 183,
4253 184, 185, 186, 187, 188, 189, 190, 191,
4254 192, 193, 194, 195, 196, 197, 198, 199,
4255 200, 201, 202, 203, 204, 205, 206, 207,
4256 208, 209, 210, 211, 212, 213, 214, 215,
4257 216, 217, 218, 219, 220, 221, 222, 223,
4258 224, 225, 226, 227, 228, 229, 230, 231,
4259 232, 233, 234, 235, 236, 237, 238, 239,
4260 240, 241, 242, 243, 244, 245, 246, 247,
4261 248, 249, 250, 251, 252, 253, 254, 255
4262};
4263#else
27da23d5 4264EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4265#endif
27da23d5 4266#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4267
4268#ifdef DOINIT
9d116dd7 4269#ifdef EBCDIC
27da23d5 4270EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4271 1, 2, 84, 151, 154, 155, 156, 157,
4272 165, 246, 250, 3, 158, 7, 18, 29,
4273 40, 51, 62, 73, 85, 96, 107, 118,
4274 129, 140, 147, 148, 149, 150, 152, 153,
4275 255, 6, 8, 9, 10, 11, 12, 13,
4276 14, 15, 24, 25, 26, 27, 28, 226,
4277 29, 30, 31, 32, 33, 43, 44, 45,
4278 46, 47, 48, 49, 50, 76, 77, 78,
4279 79, 80, 81, 82, 83, 84, 85, 86,
4280 87, 94, 95, 234, 181, 233, 187, 190,
4281 180, 96, 97, 98, 99, 100, 101, 102,
4282 104, 112, 182, 174, 236, 232, 229, 103,
4283 228, 226, 114, 115, 116, 117, 118, 119,
4284 120, 121, 122, 235, 176, 230, 194, 162,
4285 130, 131, 132, 133, 134, 135, 136, 137,
4286 138, 139, 201, 205, 163, 217, 220, 224,
4287 5, 248, 227, 244, 242, 255, 241, 231,
4288 240, 253, 16, 197, 19, 20, 21, 187,
4289 23, 169, 210, 245, 237, 249, 247, 239,
4290 168, 252, 34, 196, 36, 37, 38, 39,
4291 41, 42, 251, 254, 238, 223, 221, 213,
4292 225, 177, 52, 53, 54, 55, 56, 57,
4293 58, 59, 60, 61, 63, 64, 65, 66,
4294 67, 68, 69, 70, 71, 72, 74, 75,
4295 205, 208, 186, 202, 200, 218, 198, 179,
4296 178, 214, 88, 89, 90, 91, 92, 93,
4297 217, 166, 170, 207, 199, 209, 206, 204,
4298 160, 212, 105, 106, 108, 109, 110, 111,
4299 203, 113, 216, 215, 192, 175, 193, 243,
4300 172, 161, 123, 124, 125, 126, 127, 128,
4301 222, 219, 211, 195, 188, 193, 185, 184,
4302 191, 183, 141, 142, 143, 144, 145, 146
4303};
4304#else /* ascii rather than ebcdic */
22c35a8c 4305EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4306 1, 2, 84, 151, 154, 155, 156, 157,
4307 165, 246, 250, 3, 158, 7, 18, 29,
4308 40, 51, 62, 73, 85, 96, 107, 118,
4309 129, 140, 147, 148, 149, 150, 152, 153,
4310 255, 182, 224, 205, 174, 176, 180, 217,
4311 233, 232, 236, 187, 235, 228, 234, 226,
4312 222, 219, 211, 195, 188, 193, 185, 184,
4313 191, 183, 201, 229, 181, 220, 194, 162,
4314 163, 208, 186, 202, 200, 218, 198, 179,
4315 178, 214, 166, 170, 207, 199, 209, 206,
4316 204, 160, 212, 216, 215, 192, 175, 173,
4317 243, 172, 161, 190, 203, 189, 164, 230,
4318 167, 248, 227, 244, 242, 255, 241, 231,
4319 240, 253, 169, 210, 245, 237, 249, 247,
4320 239, 168, 252, 251, 254, 238, 223, 221,
4321 213, 225, 177, 197, 171, 196, 159, 4,
4322 5, 6, 8, 9, 10, 11, 12, 13,
4323 14, 15, 16, 17, 19, 20, 21, 22,
4324 23, 24, 25, 26, 27, 28, 30, 31,
4325 32, 33, 34, 35, 36, 37, 38, 39,
4326 41, 42, 43, 44, 45, 46, 47, 48,
4327 49, 50, 52, 53, 54, 55, 56, 57,
4328 58, 59, 60, 61, 63, 64, 65, 66,
4329 67, 68, 69, 70, 71, 72, 74, 75,
4330 76, 77, 78, 79, 80, 81, 82, 83,
4331 86, 87, 88, 89, 90, 91, 92, 93,
4332 94, 95, 97, 98, 99, 100, 101, 102,
4333 103, 104, 105, 106, 108, 109, 110, 111,
4334 112, 113, 114, 115, 116, 117, 119, 120,
4335 121, 122, 123, 124, 125, 126, 127, 128,
4336 130, 131, 132, 133, 134, 135, 136, 137,
4337 138, 139, 141, 142, 143, 144, 145, 146
4338};
9d116dd7 4339#endif
79072805 4340#else
22c35a8c 4341EXTCONST unsigned char PL_freq[];
79072805
LW		 4342#endif
4343
8990e307
LW		 4344#ifdef DEBUGGING
4345#ifdef DOINIT
27da23d5 4346EXTCONST char* const PL_block_type[] = {
8990e307
LW		 4347 "NULL",
4348 "SUB",
4349 "EVAL",
4350 "LOOP",
4351 "SUBST",
4352 "BLOCK",
0d863452
RH		 4353 "FORMAT",
4354 "GIVEN",
4355 "WHEN"
8990e307
LW		 4356};
4357#else
22c35a8c 4358EXTCONST char* PL_block_type[];
8990e307
LW		 4359#endif
4360#endif
4361
b75885fd
NC		 4362/* These are all the compile time options that affect binary compatibility.
4363 Other compile time options that are binary compatible are in perl.c
4364 Both are combined for the output of perl -V
4365 However, this string will be embedded in any shared perl library, which will
4366 allow us add a comparison check in perlmain.c in the near future. */
4367#ifdef DOINIT
4368EXTCONST char PL_bincompat_options[] =
4369# ifdef DEBUG_LEAKING_SCALARS
4370 " DEBUG_LEAKING_SCALARS"
4371# endif
4372# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4373 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4374# endif
4375# ifdef FAKE_THREADS
4376 " FAKE_THREADS"
4377# endif
4378# ifdef MULTIPLICITY
4379 " MULTIPLICITY"
4380# endif
4381# ifdef MYMALLOC
4382 " MYMALLOC"
4383# endif
4384# ifdef PERL_DEBUG_READONLY_OPS
4385 " PERL_DEBUG_READONLY_OPS"
4386# endif
4387# ifdef PERL_GLOBAL_STRUCT
4388 " PERL_GLOBAL_STRUCT"
4389# endif
4390# ifdef PERL_IMPLICIT_CONTEXT
4391 " PERL_IMPLICIT_CONTEXT"
4392# endif
4393# ifdef PERL_IMPLICIT_SYS
4394 " PERL_IMPLICIT_SYS"
4395# endif
4396# ifdef PERL_MAD
4397 " PERL_MAD"
4398# endif
4399# ifdef PERL_NEED_APPCTX
4400 " PERL_NEED_APPCTX"
4401# endif
4402# ifdef PERL_NEED_TIMESBASE
4403 " PERL_NEED_TIMESBASE"
4404# endif
4405# ifdef PERL_OLD_COPY_ON_WRITE
4406 " PERL_OLD_COPY_ON_WRITE"
4407# endif
4408# ifdef PERL_POISON
4409 " PERL_POISON"
4410# endif
4411# ifdef PERL_TRACK_MEMPOOL
4412 " PERL_TRACK_MEMPOOL"
4413# endif
4414# ifdef PERL_USES_PL_PIDSTATUS
4415 " PERL_USES_PL_PIDSTATUS"
4416# endif
4417# ifdef PL_OP_SLAB_ALLOC
4418 " PL_OP_SLAB_ALLOC"
4419# endif
4420# ifdef THREADS_HAVE_PIDS
4421 " THREADS_HAVE_PIDS"
4422# endif
4423# ifdef USE_64_BIT_ALL
4424 " USE_64_BIT_ALL"
4425# endif
4426# ifdef USE_64_BIT_INT
4427 " USE_64_BIT_INT"
4428# endif
c7b392fa
NC		 4429# ifdef USE_IEEE
4430 " USE_IEEE"
4431# endif
b75885fd
NC		 4432# ifdef USE_ITHREADS
4433 " USE_ITHREADS"
4434# endif
4435# ifdef USE_LARGE_FILES
4436 " USE_LARGE_FILES"
4437# endif
4438# ifdef USE_LONG_DOUBLE
4439 " USE_LONG_DOUBLE"
4440# endif
4441# ifdef USE_PERLIO
4442 " USE_PERLIO"
4443# endif
4444# ifdef USE_REENTRANT_API
4445 " USE_REENTRANT_API"
4446# endif
4447# ifdef USE_SFIO
4448 " USE_SFIO"
4449# endif
4450# ifdef USE_SOCKS
4451 " USE_SOCKS"
4452# endif
4f575702
CB		 4453# ifdef VMS_DO_SOCKETS
4454 " VMS_DO_SOCKETS"
4455# ifdef DECCRTL_SOCKETS
4456 " DECCRTL_SOCKETS"
4457# endif
4458# endif
4459# ifdef VMS_WE_ARE_CASE_SENSITIVE
4460 " VMS_SYMBOL_CASE_AS_IS"
4461# endif
a68dd89e 4462 "";
b75885fd
NC		 4463#else
4464EXTCONST char PL_bincompat_options[];
4465#endif
4466
73c4f7a1
GS		 4467END_EXTERN_C
4468
79072805
LW		 4469/*****************************************************************************/
4470/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4471/*****************************************************************************/
8990e307 4472/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4473
d4c3c482 4474#ifdef __Lynx__
9cffb111
OS		 4475/* LynxOS defines these in scsi.h which is included via ioctl.h */
4476#ifdef FORMAT
4477#undef FORMAT
4478#endif
4479#ifdef SPACE
4480#undef SPACE
4481#endif
d4c3c482 4482#endif
9cffb111 4483
fb73857a 4484#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4485
79072805
LW		 4486typedef enum {
4487 XOPERATOR,
4488 XTERM,
79072805 4489 XREF,
8990e307 4490 XSTATE,
a0d0e21e 4491 XBLOCK,
09bef843
SB		 4492 XATTRBLOCK,
4493 XATTRTERM,
6f33ba73
RGS		 4494 XTERMBLOCK,
4495 XTERMORDORDOR /* evil hack */
27308ded 4496 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4497} expectation;
4498
dc9e4912
GS		 4499enum { /* pass one of these to get_vtbl */
4500 want_vtbl_sv,
4501 want_vtbl_env,
4502 want_vtbl_envelem,
4503 want_vtbl_sig,
4504 want_vtbl_sigelem,
4505 want_vtbl_pack,
4506 want_vtbl_packelem,
4507 want_vtbl_dbline,
4508 want_vtbl_isa,
4509 want_vtbl_isaelem,
4510 want_vtbl_arylen,
4511 want_vtbl_glob,
4512 want_vtbl_mglob,
4513 want_vtbl_nkeys,
4514 want_vtbl_taint,
4515 want_vtbl_substr,
4516 want_vtbl_vec,
4517 want_vtbl_pos,
4518 want_vtbl_bm,
4519 want_vtbl_fm,
4520 want_vtbl_uvar,
4521 want_vtbl_defelem,
4522 want_vtbl_regexp,
4523 want_vtbl_collxfrm,
4524 want_vtbl_amagic,
4525 want_vtbl_amagicelem,
dc9e4912 4526 want_vtbl_regdata,
810b8aa5 4527 want_vtbl_regdatum,
7e8c5dac 4528 want_vtbl_backref,
8d2f4536 4529 want_vtbl_utf8,
83bf042f 4530 want_vtbl_symtab,
b3ca2e83
NC		 4531 want_vtbl_arylen_p,
4532 want_vtbl_hintselem
dc9e4912
GS		 4533};
4534
d5ec2987
NC		 4535
4536/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4537 special and there is no need for HINT_PRIVATE_MASK for COPs
4538 However, bitops store HINT_INTEGER in their op_private. */
9cfe5470
RGS		 4539#define HINT_INTEGER 0x00000001 /* integer pragma */
4540#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4541#define HINT_LOCALE 0x00000004 /* locale pragma */
4542#define HINT_BYTES 0x00000008 /* bytes pragma */
7b0bddfa 4543#define HINT_ARYBASE 0x00000010 /* $[ is non-zero */
a0ed51b3 4544 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 4545 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 4546
4547#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4548#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4549#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 4550
9cfe5470 4551/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4552#define HINT_NEW_INTEGER 0x00001000
4553#define HINT_NEW_FLOAT 0x00002000
4554#define HINT_NEW_BINARY 0x00004000
4555#define HINT_NEW_STRING 0x00008000
4556#define HINT_NEW_RE 0x00010000
4557#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 4558#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4559#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 4560
9cfe5470
RGS		 4561#define HINT_RE_TAINT 0x00100000 /* re pragma */
4562#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4563
9cfe5470
RGS		 4564#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4565#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4566
0239f47c 4567/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4568#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4569#define HINT_SORT_QUICKSORT 0x00000001
4570#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4571#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4572
8bfdd7d9 4573/* Various states of the input record separator SV (rs) */
d4cce5f1 4574#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4575#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4576#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4577#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4578
128e8167 4579/* A struct for keeping various DEBUGGING related stuff,
ce333219 4580 * neatly packed. Currently only scratch variables for
128e8167
JH		 4581 * constructing debug output are included. Needed always,
4582 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4583struct perl_debug_pad {
4584 SV pad[3];
4585};
4586
4587#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4588#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4589 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4590 PERL_DEBUG_PAD(i))
ce333219 4591
56953603 4592/* Enable variables which are pointers to functions */
a2efc822 4593typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 4594typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
4595typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
4596 char* strend, char* strbeg, I32 minend,
4597 SV* screamer, void* data, U32 flags);
f722798b
IZ		 4598typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
4599 char *strpos, char *strend,
4600 U32 flags,
9f61653a 4601 re_scream_pos_data *d);
f722798b
IZ		 4602typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
4603typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
84da74a7 4604typedef regexp*(CPERLscope(*regdupe_t)) (pTHX_ const regexp* r, CLONE_PARAMS *param);
56953603 4605
c76ac1ee 4606typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 4607typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
4608typedef void (*SVFUNC_t) (pTHX_ SV*);
4609typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
4610typedef void (*XSINIT_t) (pTHX);
4611typedef void (*ATEXIT_t) (pTHX_ void*);
4612typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4613
22239a37
NIS		 4614/* Set up PERLVAR macros for populating structs */
4615#define PERLVAR(var,type) type var;
51371543 4616#define PERLVARA(var,n,type) type var[n];
22239a37 4617#define PERLVARI(var,type,init) type var;
3fe35a81 4618#define PERLVARIC(var,type,init) type var;
27da23d5
JH		 4619#define PERLVARISC(var,init) const char var[sizeof(init)];
4620
4621typedef OP* (CPERLscope(*Perl_ppaddr_t))(pTHX);
4622typedef OP* (CPERLscope(*Perl_check_t)) (pTHX_ OP*);
22239a37 4623
58a50f62
GS		 4624/* Interpreter exitlist entry */
4625typedef struct exitlistentry {
acfe0abc 4626 void (*fn) (pTHX_ void*);
58a50f62
GS		 4627 void *ptr;
4628} PerlExitListEntry;
4629
aadb217d
JH		 4630/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4631/* These have to be before perlvars.h */
4632#if !defined(HAS_SIGACTION) && defined(VMS)
4633# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4634#endif
4635/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4636#if defined(KILL_BY_SIGPRC)
4637# define FAKE_DEFAULT_SIGNAL_HANDLERS
4638#endif
4639
ffee3ff6
NC		 4640#define PERL_PATCHLEVEL_H_IMPLICIT
4641#include "patchlevel.h"
4642#undef PERL_PATCHLEVEL_H_IMPLICIT
4643
22239a37
NIS		 4644#ifdef PERL_GLOBAL_STRUCT
4645struct perl_vars {
7766f137 4646# include "perlvars.h"
22239a37
NIS		 4647};
4648
7766f137 4649# ifdef PERL_CORE
27da23d5 4650# ifndef PERL_GLOBAL_STRUCT_PRIVATE
533c011a
NIS		 4651EXT struct perl_vars PL_Vars;
4652EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
27da23d5
JH		 4653# undef PERL_GET_VARS
4654# define PERL_GET_VARS() PL_VarsPtr
4655# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
7766f137
GS		 4656# else /* PERL_CORE */
4657# if !defined(__GNUC__) || !defined(WIN32)
22239a37 4658EXT
7766f137 4659# endif /* WIN32 */
533c011a 4660struct perl_vars *PL_VarsPtr;
7766f137
GS		 4661# define PL_Vars (*((PL_VarsPtr) \
4662 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
4663# endif /* PERL_CORE */
22239a37
NIS		 4664#endif /* PERL_GLOBAL_STRUCT */
4665
acfe0abc 4666#if defined(MULTIPLICITY)
d460ef45 4667/* If we have multiple interpreters define a struct
d4cce5f1 4668 holding variables which must be per-interpreter
d460ef45 4669 If we don't have threads anything that would have
d4cce5f1
NIS		 4670 be per-thread is per-interpreter.
4671*/
4672
79072805 4673struct interpreter {
7766f137 4674# include "intrpvar.h"
49f531da 4675};
d4cce5f1 4676
79072805 4677#else
49f531da
NIS		 4678struct interpreter {
4679 char broiled;
4680};
acfe0abc 4681#endif /* MULTIPLICITY */
79072805 4682
22239a37 4683/* Done with PERLVAR macros for now ... */
d4cce5f1 4684#undef PERLVAR
51371543 4685#undef PERLVARA
d4cce5f1 4686#undef PERLVARI
3fe35a81 4687#undef PERLVARIC
27da23d5 4688#undef PERLVARISC
79072805 4689
f7fe979e 4690struct tempsym; /* defined in pp_pack.c */
49704364 4691
22239a37 4692#include "thread.h"
79072805 4693#include "pp.h"
864dbfa3
GS		 4694
4695#ifndef PERL_CALLCONV
a0c21aa1
JH		 4696# ifdef __cplusplus
4697# define PERL_CALLCONV extern "C"
4698# else
4699# define PERL_CALLCONV
4700# endif
d460ef45 4701#endif
0cb96387
GS		 4702#undef PERL_CKDEF
4703#undef PERL_PPDEF
0159f81b
JH		 4704#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
4705#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 4706
7766f137 4707#include "proto.h"
864dbfa3 4708
0cb96387 4709/* this has structure inits, so it cannot be included before here */
acfe0abc 4710#include "opcode.h"
864dbfa3 4711
d4cce5f1
NIS		 4712/* The following must follow proto.h as #defines mess up syntax */
4713
22c35a8c
GS		 4714#if !defined(PERL_FOR_X2P)
4715# include "embedvar.h"
4716#endif
598921a7
NC		 4717#ifndef PERL_MAD
4718# undef PL_madskills
4719# undef PL_xmlfp
4720# define PL_madskills 0
4721# define PL_xmlfp 0
4722#endif
d4cce5f1 4723
d460ef45 4724/* Now include all the 'global' variables
d4cce5f1 4725 * If we don't have threads or multiple interpreters
d460ef45 4726 * these include variables that would have been their struct-s
d4cce5f1 4727 */
d460ef45 4728
533c011a 4729#define PERLVAR(var,type) EXT type PL_##var;
51371543 4730#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 4731#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
4732#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
27da23d5 4733#define PERLVARISC(var,init) EXTCONST char PL_##var[sizeof(init)] INIT(init);
d4cce5f1 4734
acfe0abc 4735#if !defined(MULTIPLICITY)
7766f137 4736START_EXTERN_C
066ef5b5 4737# include "intrpvar.h"
7766f137 4738END_EXTERN_C
22239a37
NIS		 4739#endif
4740
24792b8d
NC		 4741#ifdef PERL_CORE
4742/* All core uses now exterminated. Ensure no zombies can return: */
4743# undef PL_na
4744#endif
4745
acfe0abc 4746#if defined(WIN32)
66a93824 4747/* Now all the config stuff is setup we can include embed.h */
22c35a8c 4748# include "embed.h"
eb8433b7
NC		 4749# ifndef PERL_MAD
4750# undef op_getmad
b3f24c00 4751# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 4752# endif
acfe0abc 4753#endif
22239a37 4754
c5be433b
GS		 4755#ifndef PERL_GLOBAL_STRUCT
4756START_EXTERN_C
4757
4758# include "perlvars.h"
4759
4760END_EXTERN_C
4761#endif
4762
d4cce5f1 4763#undef PERLVAR
51371543 4764#undef PERLVARA
d4cce5f1 4765#undef PERLVARI
0f3f18a6 4766#undef PERLVARIC
79072805 4767
73c4f7a1
GS		 4768START_EXTERN_C
4769
bc028b6b
JH		 4770/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
4771 * magic vtables const, but this is incompatible with SWIG which
4772 * does want to modify the vtables. */
4773#ifdef PERL_GLOBAL_STRUCT_PRIVATE
4774# define EXT_MGVTBL EXTCONST MGVTBL
4775#else
4776# define EXT_MGVTBL EXT MGVTBL
4777#endif
4778
79072805 4779#ifdef DOINIT
bc028b6b 4780# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var = {a,b,c,d,e,f,g,h}
2664ba31 4781/* Like MGVTBL_SET but with the get magic having a const MG* */
bc028b6b 4782# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var \
2664ba31 4783 = {(int (*)(pTHX_ SV *, MAGIC *))a,b,c,d,e,f,g,h}
4944113a 4784#else
bc028b6b
JH		 4785# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var
4786# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var
4944113a
AL		 4787#endif
4788
abdc98d4
NC		 4789/* These all need to be 0, not NULL, as NULL can be (void*)0, which is a
4790 * pointer to data, whereas we're assigning pointers to functions, which are
4791 * not the same beast. ANSI doesn't allow the assignment from one to the other.
4792 * (although most, but not all, compilers are prepared to do it)
4793 */
4944113a
AL		 4794MGVTBL_SET(
4795 PL_vtbl_sv,
4796 MEMBER_TO_FPTR(Perl_magic_get),
4797 MEMBER_TO_FPTR(Perl_magic_set),
4798 MEMBER_TO_FPTR(Perl_magic_len),
abdc98d4
NC		 4799 0,
4800 0,
4801 0,
4802 0,
4803 0
4944113a
AL		 4804);
4805
4806MGVTBL_SET(
4807 PL_vtbl_env,
abdc98d4 4808 0,
4944113a 4809 MEMBER_TO_FPTR(Perl_magic_set_all_env),
abdc98d4 4810 0,
4944113a 4811 MEMBER_TO_FPTR(Perl_magic_clear_all_env),
abdc98d4
NC		 4812 0,
4813 0,
4814 0,
4815 0
4944113a
AL		 4816);
4817
4818MGVTBL_SET(
4819 PL_vtbl_envelem,
abdc98d4 4820 0,
4944113a 4821 MEMBER_TO_FPTR(Perl_magic_setenv),
abdc98d4 4822 0,
4944113a 4823 MEMBER_TO_FPTR(Perl_magic_clearenv),
abdc98d4
NC		 4824 0,
4825 0,
4826 0,
4827 0
4944113a
AL		 4828);
4829
abdc98d4 4830/* For now, hints magic will also use vtbl_sig, because it is all 0 */
4944113a
AL		 4831MGVTBL_SET(
4832 PL_vtbl_sig,
abdc98d4
NC		 4833 0,
4834 0,
4835 0,
4836 0,
4837 0,
4838 0,
4839 0,
4840 0
4944113a
AL		 4841);
4842
9ba75e3c 4843#ifdef PERL_MICRO
4944113a
AL		 4844MGVTBL_SET(
4845 PL_vtbl_sigelem,
abdc98d4
NC		 4846 0,
4847 0,
4848 0,
4849 0,
4850 0,
4851 0,
4852 0,
4853 0
9ba75e3c
DD		 4854);
4855
64ca3a65 4856#else
9ba75e3c
DD		 4857MGVTBL_SET(
4858 PL_vtbl_sigelem,
4944113a
AL		 4859 MEMBER_TO_FPTR(Perl_magic_getsig),
4860 MEMBER_TO_FPTR(Perl_magic_setsig),
abdc98d4 4861 0,
4944113a 4862 MEMBER_TO_FPTR(Perl_magic_clearsig),
abdc98d4
NC		 4863 0,
4864 0,
4865 0,
4866 0
4944113a 4867);
9ba75e3c 4868#endif
4944113a
AL		 4869
4870MGVTBL_SET(
4871 PL_vtbl_pack,
abdc98d4
NC		 4872 0,
4873 0,
4944113a
AL		 4874 MEMBER_TO_FPTR(Perl_magic_sizepack),
4875 MEMBER_TO_FPTR(Perl_magic_wipepack),
abdc98d4
NC		 4876 0,
4877 0,
4878 0,
4879 0
4944113a
AL		 4880);
4881
4882MGVTBL_SET(
4883 PL_vtbl_packelem,
4884 MEMBER_TO_FPTR(Perl_magic_getpack),
4885 MEMBER_TO_FPTR(Perl_magic_setpack),
abdc98d4 4886 0,
4944113a 4887 MEMBER_TO_FPTR(Perl_magic_clearpack),
abdc98d4
NC		 4888 0,
4889 0,
4890 0,
4891 0
4944113a
AL		 4892);
4893
4894MGVTBL_SET(
4895 PL_vtbl_dbline,
abdc98d4 4896 0,
4944113a 4897 MEMBER_TO_FPTR(Perl_magic_setdbline),
abdc98d4
NC		 4898 0,
4899 0,
4900 0,
4901 0,
4902 0,
4903 0
4944113a
AL		 4904);
4905
4906MGVTBL_SET(
4907 PL_vtbl_isa,
abdc98d4 4908 0,
4944113a 4909 MEMBER_TO_FPTR(Perl_magic_setisa),
abdc98d4 4910 0,
52b45067 4911 MEMBER_TO_FPTR(Perl_magic_clearisa),
0fa56319 4912 0,
abdc98d4
NC		 4913 0,
4914 0,
4915 0
4944113a
AL		 4916);
4917
4918MGVTBL_SET(
4919 PL_vtbl_isaelem,
abdc98d4 4920 0,
4944113a 4921 MEMBER_TO_FPTR(Perl_magic_setisa),
abdc98d4
NC		 4922 0,
4923 0,
4924 0,
4925 0,
4926 0,
4927 0
4944113a
AL		 4928);
4929
2e2109e1 4930MGVTBL_SET_CONST_MAGIC_GET(
4944113a
AL		 4931 PL_vtbl_arylen,
4932 MEMBER_TO_FPTR(Perl_magic_getarylen),
4933 MEMBER_TO_FPTR(Perl_magic_setarylen),
abdc98d4
NC		 4934 0,
4935 0,
4936 0,
4937 0,
4938 0,
4939 0
4944113a
AL		 4940);
4941
4942MGVTBL_SET(
83bf042f 4943 PL_vtbl_arylen_p,
abdc98d4
NC		 4944 0,
4945 0,
4946 0,
4947 0,
83bf042f 4948 MEMBER_TO_FPTR(Perl_magic_freearylen_p),
abdc98d4
NC		 4949 0,
4950 0,
4951 0
83bf042f
NC		 4952);
4953
4954MGVTBL_SET(
4944113a 4955 PL_vtbl_mglob,
abdc98d4 4956 0,
4944113a 4957 MEMBER_TO_FPTR(Perl_magic_setmglob),
abdc98d4
NC		 4958 0,
4959 0,
4960 0,
4961 0,
4962 0,
4963 0
4944113a
AL		 4964);
4965
4966MGVTBL_SET(
4967 PL_vtbl_nkeys,
4968 MEMBER_TO_FPTR(Perl_magic_getnkeys),
4969 MEMBER_TO_FPTR(Perl_magic_setnkeys),
abdc98d4
NC		 4970 0,
4971 0,
4972 0,
4973 0,
4974 0,
4975 0
4944113a
AL		 4976);
4977
4978MGVTBL_SET(
4979 PL_vtbl_taint,
4980 MEMBER_TO_FPTR(Perl_magic_gettaint),
4981 MEMBER_TO_FPTR(Perl_magic_settaint),
abdc98d4
NC		 4982 0,
4983 0,
4984 0,
4985 0,
4986 0,
4987 0
4944113a
AL		 4988);
4989
4990MGVTBL_SET(
4991 PL_vtbl_substr,
4992 MEMBER_TO_FPTR(Perl_magic_getsubstr),
4993 MEMBER_TO_FPTR(Perl_magic_setsubstr),
abdc98d4
NC		 4994 0,
4995 0,
4996 0,
4997 0,
4998 0,
4999 0
4944113a
AL		 5000);
5001
5002MGVTBL_SET(
5003 PL_vtbl_vec,
5004 MEMBER_TO_FPTR(Perl_magic_getvec),
5005 MEMBER_TO_FPTR(Perl_magic_setvec),
abdc98d4
NC		 5006 0,
5007 0,
5008 0,
5009 0,
5010 0,
5011 0
4944113a
AL		 5012);
5013
5014MGVTBL_SET(
5015 PL_vtbl_pos,
5016 MEMBER_TO_FPTR(Perl_magic_getpos),
5017 MEMBER_TO_FPTR(Perl_magic_setpos),
abdc98d4
NC		 5018 0,
5019 0,
5020 0,
5021 0,
5022 0,
5023 0
4944113a
AL		 5024);
5025
5026MGVTBL_SET(
5027 PL_vtbl_bm,
abdc98d4 5028 0,
488344d2 5029 MEMBER_TO_FPTR(Perl_magic_setregexp),
abdc98d4
NC		 5030 0,
5031 0,
5032 0,
5033 0,
5034 0,
5035 0
4944113a
AL		 5036);
5037
5038MGVTBL_SET(
5039 PL_vtbl_fm,
abdc98d4 5040 0,
488344d2 5041 MEMBER_TO_FPTR(Perl_magic_setregexp),
abdc98d4
NC		 5042 0,
5043 0,
5044 0,
5045 0,
5046 0,
5047 0
4944113a
AL		 5048);
5049
5050MGVTBL_SET(
5051 PL_vtbl_uvar,
5052 MEMBER_TO_FPTR(Perl_magic_getuvar),
5053 MEMBER_TO_FPTR(Perl_magic_setuvar),
abdc98d4
NC		 5054 0,
5055 0,
5056 0,
5057 0,
5058 0,
5059 0
4944113a
AL		 5060);
5061
5062MGVTBL_SET(
5063 PL_vtbl_defelem,
5064 MEMBER_TO_FPTR(Perl_magic_getdefelem),
5065 MEMBER_TO_FPTR(Perl_magic_setdefelem),
abdc98d4
NC		 5066 0,
5067 0,
5068 0,
5069 0,
5070 0,
5071 0
4944113a
AL		 5072);
5073
5074MGVTBL_SET(
5075 PL_vtbl_regexp,
abdc98d4 5076 0,
4944113a 5077 MEMBER_TO_FPTR(Perl_magic_setregexp),
abdc98d4
NC		 5078 0,
5079 0,
288b8c02 5080 0,
abdc98d4
NC		 5081 0,
5082 0,
5083 0
4944113a
AL		 5084);
5085
5086MGVTBL_SET(
5087 PL_vtbl_regdata,
abdc98d4
NC		 5088 0,
5089 0,
4944113a 5090 MEMBER_TO_FPTR(Perl_magic_regdata_cnt),
abdc98d4
NC		 5091 0,
5092 0,
5093 0,
5094 0,
5095 0
4944113a
AL		 5096);
5097
5098MGVTBL_SET(
5099 PL_vtbl_regdatum,
5100 MEMBER_TO_FPTR(Perl_magic_regdatum_get),
5101 MEMBER_TO_FPTR(Perl_magic_regdatum_set),
abdc98d4
NC		 5102 0,
5103 0,
5104 0,
5105 0,
5106 0,
5107 0
4944113a
AL		 5108);
5109
5110MGVTBL_SET(
5111 PL_vtbl_amagic,
abdc98d4 5112 0,
4944113a 5113 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5114 0,
5115 0,
4944113a 5116 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5117 0,
5118 0,
5119 0
4944113a
AL		 5120);
5121
5122MGVTBL_SET(
5123 PL_vtbl_amagicelem,
abdc98d4 5124 0,
4944113a 5125 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5126 0,
5127 0,
4944113a 5128 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5129 0,
5130 0,
5131 0
4944113a
AL		 5132);
5133
5134MGVTBL_SET(
5135 PL_vtbl_backref,
abdc98d4
NC		 5136 0,
5137 0,
5138 0,
5139 0,
4944113a 5140 MEMBER_TO_FPTR(Perl_magic_killbackrefs),
abdc98d4
NC		 5141 0,
5142 0,
5143 0
4944113a
AL		 5144);
5145
5146MGVTBL_SET(
5147 PL_vtbl_ovrld,
abdc98d4
NC		 5148 0,
5149 0,
5150 0,
5151 0,
4944113a 5152 MEMBER_TO_FPTR(Perl_magic_freeovrld),
abdc98d4
NC		 5153 0,
5154 0,
5155 0
4944113a
AL		 5156);
5157
5158MGVTBL_SET(
5159 PL_vtbl_utf8,
abdc98d4 5160 0,
4944113a 5161 MEMBER_TO_FPTR(Perl_magic_setutf8),
abdc98d4
NC		 5162 0,
5163 0,
5164 0,
5165 0,
5166 0,
5167 0
4944113a 5168);
36477c24 5169#ifdef USE_LOCALE_COLLATE
4944113a
AL		 5170MGVTBL_SET(
5171 PL_vtbl_collxfrm,
abdc98d4 5172 0,
4944113a 5173 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
abdc98d4
NC		 5174 0,
5175 0,
5176 0,
5177 0,
5178 0,
5179 0
4944113a 5180);
bbce6d69 5181#endif
a0d0e21e 5182
b3ca2e83
NC		 5183MGVTBL_SET(
5184 PL_vtbl_hintselem,
abdc98d4 5185 0,
b3ca2e83 5186 MEMBER_TO_FPTR(Perl_magic_sethint),
abdc98d4 5187 0,
b3ca2e83 5188 MEMBER_TO_FPTR(Perl_magic_clearhint),
abdc98d4
NC		 5189 0,
5190 0,
5191 0,
5192 0
b3ca2e83
NC		 5193);
5194
bab3dc31 5195#include "overload.h"
a0d0e21e 5196
73c4f7a1
GS		 5197END_EXTERN_C
5198
a6006777 5199struct am_table {
8175493d 5200 U32 flags;
eb160463 5201 U32 was_ok_sub;
a0d0e21e 5202 long was_ok_am;
a0d0e21e 5203 long fallback;
9bd87817 5204 CV* table[NofAMmeth];
a0d0e21e 5205};
a6006777 5206struct am_table_short {
8175493d 5207 U32 flags;
eb160463 5208 U32 was_ok_sub;
a6006777 5209 long was_ok_am;
a6006777 5210};
a0d0e21e 5211typedef struct am_table AMT;
a6006777 5212typedef struct am_table_short AMTS;
a0d0e21e
LW		 5213
5214#define AMGfallNEVER 1
5215#define AMGfallNO 2
5216#define AMGfallYES 3
5217
a6006777 5218#define AMTf_AMAGIC 1
32251b26 5219#define AMTf_OVERLOADED 2
a6006777 5220#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5221#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5222#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 5223#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
5224#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
5225#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 5226
32251b26 5227#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5228
5229/*
5230 * some compilers like to redefine cos et alia as faster
5231 * (and less accurate?) versions called F_cos et cetera (Quidquid
5232 * latine dictum sit, altum viditur.) This trick collides with
5233 * the Perl overloading (amg). The following #defines fool both.
5234 */
5235
5236#ifdef _FASTMATH
5237# ifdef atan2
5238# define F_atan2_amg atan2_amg
5239# endif
5240# ifdef cos
5241# define F_cos_amg cos_amg
5242# endif
5243# ifdef exp
5244# define F_exp_amg exp_amg
5245# endif
5246# ifdef log
5247# define F_log_amg log_amg
5248# endif
5249# ifdef pow
5250# define F_pow_amg pow_amg
5251# endif
5252# ifdef sin
5253# define F_sin_amg sin_amg
5254# endif
5255# ifdef sqrt
5256# define F_sqrt_amg sqrt_amg
5257# endif
5258#endif /* _FASTMATH */
5259
83ee9e09
GS		 5260#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5261 PERLDBf_NOOPT | PERLDBf_INTER | \
5262 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
06492da6
SF		 5263 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON )
5264 /* No _NONAME, _GOTO, _ASSERTION */
83ee9e09
GS		 5265#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5266#define PERLDBf_LINE 0x02 /* Keep line # */
5267#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5268#define PERLDBf_INTER 0x08 /* Preserve more data for
5269 later inspections */
5270#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5271#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5272#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5273#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5274#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5275#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
84902520 5276
3280af22
NIS		 5277#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5278#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5279#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5280#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5281#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5282#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5283#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5284#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5285#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5286#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
06492da6 5287#define PERLDB_ASSERTION (PL_perldb && (PL_perldb & PERLDBf_ASSERTION))
bbce6d69 5288
36477c24 5289#ifdef USE_LOCALE_NUMERIC
bbce6d69 5290
36477c24 5291#define SET_NUMERIC_STANDARD() \
ff4fed7c 5292 set_numeric_standard();
36477c24 5293
5294#define SET_NUMERIC_LOCAL() \
ff4fed7c 5295 set_numeric_local();
bbce6d69 5296
a98fe34d 5297#define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE)
2de3dbcc
JH		 5298#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
5299
5300#define IN_LOCALE \
923e4eb5 5301 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
2de3dbcc 5302
f93f4e46 5303#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 5304 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 5305 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 5306
5307#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 5308 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 5309 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 5310
5311#define RESTORE_NUMERIC_LOCAL() \
5312 if (was_local) SET_NUMERIC_LOCAL();
5313
5314#define RESTORE_NUMERIC_STANDARD() \
5315 if (was_standard) SET_NUMERIC_STANDARD();
5316
5b877257 5317#define Atof my_atof
097ee67d 5318
36477c24 5319#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5320
097ee67d
JH		 5321#define SET_NUMERIC_STANDARD() /**/
5322#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5323#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5324#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5325#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 5326#define RESTORE_NUMERIC_LOCAL() /**/
5327#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 5328#define Atof my_atof
ad3e0f90 5329#define IN_LOCALE_RUNTIME 0
bbce6d69 5330
36477c24 5331#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5332
079290de 5333#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5334# ifdef __hpux
5335# define strtoll __strtoll /* secret handshake */
5336# endif
c623ac67
GS		 5337# ifdef WIN64
5338# define strtoll _strtoi64 /* secret handshake */
5339# endif
079290de
GS		 5340# if !defined(Strtol) && defined(HAS_STRTOLL)
5341# define Strtol strtoll
ad551343 5342# endif
28e5dec8
JH		 5343# if !defined(Strtol) && defined(HAS_STRTOQ)
5344# define Strtol strtoq
5345# endif
ff935051 5346/* is there atoq() anywhere? */
15b99d39 5347#endif
079290de
GS		 5348#if !defined(Strtol) && defined(HAS_STRTOL)
5349# define Strtol strtol
5350#endif
5351#ifndef Atol
5352/* It would be more fashionable to use Strtol() to define atol()
5353 * (as is done for Atoul(), see below) but for backward compatibility
5354 * we just assume atol(). */
76b882ba 5355# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 5356# ifdef WIN64
5357# define atoll _atoi64 /* secret handshake */
5358# endif
76b882ba
JH		 5359# define Atol atoll
5360# else
5361# define Atol atol
5362# endif
cf2093f6
JH		 5363#endif
5364
55eb892c 5365#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5366# ifdef __hpux
5367# define strtoull __strtoull /* secret handshake */
5368# endif
c623ac67
GS		 5369# ifdef WIN64
5370# define strtoull _strtoui64 /* secret handshake */
5371# endif
ad551343 5372# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5373# define Strtoul strtoull
15b99d39 5374# endif
079290de
GS		 5375# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5376# define Strtoul strtouq
5377# endif
76d49b1c 5378/* is there atouq() anywhere? */
ad551343 5379#endif
079290de
GS		 5380#if !defined(Strtoul) && defined(HAS_STRTOUL)
5381# define Strtoul strtoul
cf2093f6 5382#endif
a5523c5b
JH		 5383#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5384# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5385#endif
079290de 5386#ifndef Atoul
d4c19fe8 5387# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5388#endif
cf2093f6 5389
760ac839 5390
06d86050
GS		 5391/* if these never got defined, they need defaults */
5392#ifndef PERL_SET_CONTEXT
5393# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5394#endif
5395
5396#ifndef PERL_GET_CONTEXT
5397# define PERL_GET_CONTEXT PERL_GET_INTERP
5398#endif
5399
5400#ifndef PERL_GET_THX
5401# define PERL_GET_THX ((void*)NULL)
5402#endif
5403
5404#ifndef PERL_SET_THX
5405# define PERL_SET_THX(t) NOOP
5406#endif
5407
a868473f
NIS		 5408#ifndef PERL_SCRIPT_MODE
5409#define PERL_SCRIPT_MODE "r"
5410#endif
5411
fba3b22e 5412/*
da927450
JH		 5413 * Some operating systems are stingy with stack allocation,
5414 * so perl may have to guard against stack overflow.
5415 */
5416#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5417#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5418#endif
5419
5420/*
5421 * Some nonpreemptive operating systems find it convenient to
5422 * check for asynchronous conditions after each op execution.
5423 * Keep this check simple, or it may slow down execution
5424 * massively.
5425 */
ce08f86c 5426
1d615522 5427#ifndef PERL_MICRO
4ffa73a3
JH		 5428# ifndef PERL_ASYNC_CHECK
5429# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
5430# endif
ce08f86c
NIS		 5431#endif
5432
da927450 5433#ifndef PERL_ASYNC_CHECK
1d615522 5434# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5435#endif
5436
5437/*
5438 * On some operating systems, a memory allocation may succeed,
5439 * but put the process too close to the system's comfort limit.
5440 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5441 * it to NULL.
5442 */
5443#ifndef PERL_ALLOC_CHECK
c2af87cb 5444#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5445#endif
5446
bd89102f
AD		 5447#ifdef HAS_SEM
5448# include <sys/ipc.h>
5449# include <sys/sem.h>
5450# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5451 union semun {
dbba660d
TC		 5452 int val;
5453 struct semid_ds *buf;
5454 unsigned short *array;
bd89102f
AD		 5455 };
5456# endif
5457# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5458# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5459 union gccbug_semun {
5460 int val;
5461 struct semid_ds *buf;
5462 unsigned short *array;
5463 char __dummy[5];
5464 };
5465# define semun gccbug_semun
5466# endif
bd89102f
AD		 5467# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5468# else
5469# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5470# ifdef EXTRA_F_IN_SEMUN_BUF
5471# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5472# else
5473# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5474# endif
bd89102f
AD		 5475# endif
5476# endif
bd89102f 5477#endif
49f531da 5478
89ca4ac7
JH		 5479/*
5480 * Boilerplate macros for initializing and accessing interpreter-local
5481 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 5482 * this, if you want to make the extension thread-safe. See
5483 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5484 * and perlxs.pod for more.
89ca4ac7
JH		 5485 *
5486 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5487 * 1. #define MY_CXT_KEY to a unique string, e.g.
5488 * "DynaLoader::_guts" XS_VERSION
f16dd614 5489 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5490 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5491 * all the data that needs to be interpreter-local.
5492 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5493 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5494 * (typically put in the BOOT: section).
5495 * 5. Use the members of the my_cxt_t structure everywhere as
5496 * MY_CXT.member.
5497 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5498 * access MY_CXT.
5499 */
5500
fc958cd2 5501#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 5502
53d44271
JH		 5503#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5504
5505/* This must appear in all extensions that define a my_cxt_t structure,
5506 * right after the definition (i.e. at file scope). The non-threads
5507 * case below uses it to declare the data as static. */
5508#define START_MY_CXT
5509#define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5510
5511/* Creates and zeroes the per-interpreter data.
5512 * (We allocate my_cxtp in a Perl SV so that it will be released when
5513 * the interpreter goes away.) */
5514#define MY_CXT_INIT \
5515 my_cxt_t *my_cxtp = \
5516 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_KEY, sizeof(my_cxt_t))
5517#define MY_CXT_INIT_INTERP(my_perl) \
5518 my_cxt_t *my_cxtp = \
5519 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_KEY, sizeof(my_cxt_t))
5520
5521/* This declaration should be used within all functions that use the
5522 * interpreter-local data. */
5523#define dMY_CXT \
5524 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
5525#define dMY_CXT_INTERP(my_perl) \
5526 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5527
5528/* Clones the per-interpreter data. */
5529#define MY_CXT_CLONE \
5530 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5531 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5532 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5533
5534#else /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
5535
89ca4ac7
JH		 5536/* This must appear in all extensions that define a my_cxt_t structure,
5537 * right after the definition (i.e. at file scope). The non-threads
5538 * case below uses it to declare the data as static. */
f16dd614 5539#define START_MY_CXT static int my_cxt_index = -1;
89ca4ac7
JH		 5540
5541/* This declaration should be used within all functions that use the
5542 * interpreter-local data. */
5543#define dMY_CXT \
f16dd614
DM		 5544 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[my_cxt_index]
5545#define dMY_CXT_INTERP(my_perl) \
5546 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[my_cxt_index]
89ca4ac7
JH		 5547
5548/* Creates and zeroes the per-interpreter data.
5549 * (We allocate my_cxtp in a Perl SV so that it will be released when
5550 * the interpreter goes away.) */
5551#define MY_CXT_INIT \
f16dd614
DM		 5552 my_cxt_t *my_cxtp = \
5553 (my_cxt_t*)Perl_my_cxt_init(aTHX_ &my_cxt_index, sizeof(my_cxt_t))
5554#define MY_CXT_INIT_INTERP(my_perl) \
5555 my_cxt_t *my_cxtp = \
5556 (my_cxt_t*)Perl_my_cxt_init(my_perl, &my_cxt_index, sizeof(my_cxt_t))
89ca4ac7 5557
8fba5d14
MHM		 5558/* Clones the per-interpreter data. */
5559#define MY_CXT_CLONE \
8fba5d14 5560 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
f16dd614
DM		 5561 Copy(PL_my_cxt_list[my_cxt_index], my_cxtp, 1, my_cxt_t);\
5562 PL_my_cxt_list[my_cxt_index] = my_cxtp \
8fba5d14 5563
53d44271
JH		 5564#endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
5565
89ca4ac7
JH		 5566/* This macro must be used to access members of the my_cxt_t structure.
5567 * e.g. MYCXT.some_data */
5568#define MY_CXT (*my_cxtp)
5569
5570/* Judicious use of these macros can reduce the number of times dMY_CXT
5571 * is used. Use is similar to pTHX, aTHX etc. */
5572#define pMY_CXT my_cxt_t *my_cxtp
5573#define pMY_CXT_ pMY_CXT,
5574#define _pMY_CXT ,pMY_CXT
5575#define aMY_CXT my_cxtp
5576#define aMY_CXT_ aMY_CXT,
5577#define _aMY_CXT ,aMY_CXT
5578
f16dd614 5579#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7
JH		 5580
5581#define START_MY_CXT static my_cxt_t my_cxt;
5582#define dMY_CXT_SV dNOOP
5583#define dMY_CXT dNOOP
9568a123 5584#define dMY_CXT_INTERP(my_perl) dNOOP
89ca4ac7 5585#define MY_CXT_INIT NOOP
8fba5d14 5586#define MY_CXT_CLONE NOOP
89ca4ac7
JH		 5587#define MY_CXT my_cxt
5588
5589#define pMY_CXT void
5590#define pMY_CXT_
5591#define _pMY_CXT
5592#define aMY_CXT
5593#define aMY_CXT_
5594#define _aMY_CXT
5595
f16dd614 5596#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5597
9a34ef1d
GS		 5598#ifdef I_FCNTL
5599# include <fcntl.h>
9a34ef1d
GS		 5600#endif
5601
9cffb111
OS		 5602#ifdef __Lynx__
5603# include <fcntl.h>
5604#endif
5605
9a34ef1d
GS		 5606#ifdef I_SYS_FILE
5607# include <sys/file.h>
5608#endif
5609
fa0a29af 5610#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5611int flock(int fd, int op);
5612#endif
5613
fe52b3b7
GS		 5614#ifndef O_RDONLY
5615/* Assume UNIX defaults */
5616# define O_RDONLY 0000
5617# define O_WRONLY 0001
5618# define O_RDWR 0002
5619# define O_CREAT 0100
5620#endif
9a34ef1d 5621
16fe6d59
GS		 5622#ifndef O_BINARY
5623# define O_BINARY 0
5624#endif
5625
5626#ifndef O_TEXT
5627# define O_TEXT 0
5628#endif
5629
6ce75a77
JH		 5630#if O_TEXT != O_BINARY
5631 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5632 * that is, you are somehow DOSish. */
538204d5 5633# if defined(__BEOS__) || defined(__VOS__) || defined(__CYGWIN__)
a6e45062
JH		 5634 /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5635 * BeOS is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5636 /* VOS has O_TEXT != O_BINARY, and they have effect,
5637 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5638 /* If you have O_TEXT different from your O_BINARY but you still are
5639 * not a CRLF shop. */
35990314 5640# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5641# else
5642 /* If you really are DOSish. */
5643# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5644# endif
5645#endif
5646
104d25b7
JH		 5647#ifdef IAMSUID
5648
5649#ifdef I_SYS_STATVFS
9f982a77
IG		 5650# if defined(PERL_SCO) && !defined(_SVID3)
5651# define _SVID3
5652# endif
32b3cf08
JH		 5653# include <sys/statvfs.h> /* for f?statvfs() */
5654#endif
5655#ifdef I_SYS_MOUNT
5656# include <sys/mount.h> /* for *BSD f?statfs() */
5657#endif
5658#ifdef I_MNTENT
5659# include <mntent.h> /* for getmntent() */
104d25b7 5660#endif
0545a864
JH		 5661#ifdef I_SYS_STATFS
5662# include <sys/statfs.h> /* for some statfs() */
5663#endif
5664#ifdef I_SYS_VFS
8d9e1a19
GS		 5665# ifdef __sgi
5666# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
5667# endif
5668# include <sys/vfs.h> /* for some statfs() */
5669# ifdef __sgi
5670# undef IRIX_sv
5671# endif
0545a864
JH		 5672#endif
5673#ifdef I_USTAT
5674# include <ustat.h> /* for ustat() */
5675#endif
5676
5677#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
5678# define PERL_MOUNT_NOSUID MOUNT_NOSUID
5679#endif
5680#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
5681# define PERL_MOUNT_NOSUID MNT_NOSUID
5682#endif
5683#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
5684# define PERL_MOUNT_NOSUID MS_NOSUID
5685#endif
5686#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
5687# define PERL_MOUNT_NOSUID M_NOSUID
5688#endif
104d25b7 5689
ae3f3efd
PS		 5690#if !defined(PERL_MOUNT_NOEXEC) && defined(MOUNT_NOEXEC)
5691# define PERL_MOUNT_NOEXEC MOUNT_NOEXEC
5692#endif
5693#if !defined(PERL_MOUNT_NOEXEC) && defined(MNT_NOEXEC)
5694# define PERL_MOUNT_NOEXEC MNT_NOEXEC
5695#endif
5696#if !defined(PERL_MOUNT_NOEXEC) && defined(MS_NOEXEC)
5697# define PERL_MOUNT_NOEXEC MS_NOEXEC
5698#endif
5699#if !defined(PERL_MOUNT_NOEXEC) && defined(M_NOEXEC)
5700# define PERL_MOUNT_NOEXEC M_NOEXEC
5701#endif
5702
104d25b7
JH		 5703#endif /* IAMSUID */
5704
4bc88a62
PS		 5705#ifdef I_LIBUTIL
5706# include <libutil.h> /* setproctitle() in some FreeBSDs */
5707#endif
5708
b4748376 5709#ifndef EXEC_ARGV_CAST
360ea906 5710#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 5711#endif
5712
dd5dc04f
JH		 5713#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5714 int). value returned in pointed-
5715 to UV */
5716#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5717#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5718#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5719#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5720#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5721
5722#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5723
53305cf1
NC		 5724/* Input flags: */
5725#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5726#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5727#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 5728/* Output flags: */
5729#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5730
2c4f7f0e
DM		 5731/* to let user control profiling */
5732#ifdef PERL_GPROF_CONTROL
5733extern void moncontrol(int);
5734#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5735#else
5736#define PERL_GPROF_MONCONTROL(x)
5737#endif
5738
ae0e3d3b
JH		 5739#ifdef UNDER_CE
5740#include "wince.h"
5741#endif
5742
5743/* ISO 6429 NEL - C1 control NExt Line */
5744/* See http://www.unicode.org/unicode/reports/tr13/ */
5745#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
5746# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
5747# define NEXT_LINE_CHAR 0x15
5748# else /* CDRA */
5749# define NEXT_LINE_CHAR 0x25
5750# endif
5751#else
5752# define NEXT_LINE_CHAR 0x85
5753#endif
5754
5755/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5756#define UNICODE_LINE_SEPA_0 0xE2
5757#define UNICODE_LINE_SEPA_1 0x80
5758#define UNICODE_LINE_SEPA_2 0xA8
5759#define UNICODE_PARA_SEPA_0 0xE2
5760#define UNICODE_PARA_SEPA_1 0x80
5761#define UNICODE_PARA_SEPA_2 0xA9
5762
479b2847
GS		 5763#ifndef PIPESOCK_MODE
5764# define PIPESOCK_MODE
5765#endif
5766
460c8493
IZ		 5767#ifndef SOCKET_OPEN_MODE
5768# define SOCKET_OPEN_MODE PIPESOCK_MODE
5769#endif
5770
5771#ifndef PIPE_OPEN_MODE
5772# define PIPE_OPEN_MODE PIPESOCK_MODE
5773#endif
5774
7e8c5dac
HS		 5775#define PERL_MAGIC_UTF8_CACHESIZE 2
5776
a05d7ebb
JH		 5777#define PERL_UNICODE_STDIN_FLAG 0x0001
5778#define PERL_UNICODE_STDOUT_FLAG 0x0002
5779#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5780#define PERL_UNICODE_IN_FLAG 0x0008
5781#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5782#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5783#define PERL_UNICODE_LOCALE_FLAG 0x0040
5784#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 5785#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 5786
06e66572
JH		 5787#define PERL_UNICODE_STD_FLAG \
5788 (PERL_UNICODE_STDIN_FLAG | \
5789 PERL_UNICODE_STDOUT_FLAG | \
5790 PERL_UNICODE_STDERR_FLAG)
5791
5792#define PERL_UNICODE_INOUT_FLAG \
5793 (PERL_UNICODE_IN_FLAG | \
5794 PERL_UNICODE_OUT_FLAG)
5795
5796#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5797 (PERL_UNICODE_STD_FLAG | \
5798 PERL_UNICODE_INOUT_FLAG | \
5799 PERL_UNICODE_LOCALE_FLAG)
5800
5a22a2bb 5801#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 5802
5803#define PERL_UNICODE_STDIN 'I'
5804#define PERL_UNICODE_STDOUT 'O'
5805#define PERL_UNICODE_STDERR 'E'
5806#define PERL_UNICODE_STD 'S'
5807#define PERL_UNICODE_IN 'i'
5808#define PERL_UNICODE_OUT 'o'
5809#define PERL_UNICODE_INOUT 'D'
5810#define PERL_UNICODE_ARGV 'A'
5811#define PERL_UNICODE_LOCALE 'L'
5812#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 5813#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 5814
4ffa73a3
JH		 5815#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5816
16bd9a85
JH		 5817/* From sigaction(2) (FreeBSD man page):
5818 * | Signal routines normally execute with the signal that
5819 * | caused their invocation blocked, but other signals may
5820 * | yet occur.
5821 * Emulation of this behavior (from within Perl) is enabled
5822 * by defining PERL_BLOCK_SIGNALS.
5823 */
5824#define PERL_BLOCK_SIGNALS
5825
5826#if defined(HAS_SIGPROCMASK) && defined(PERL_BLOCK_SIGNALS)
5827# define PERL_BLOCKSIG_ADD(set,sig) \
5828 sigset_t set; sigemptyset(&(set)); sigaddset(&(set), sig)
5829# define PERL_BLOCKSIG_BLOCK(set) \
5830 sigprocmask(SIG_BLOCK, &(set), NULL)
5831# define PERL_BLOCKSIG_UNBLOCK(set) \
5832 sigprocmask(SIG_UNBLOCK, &(set), NULL)
5833#endif /* HAS_SIGPROCMASK && PERL_BLOCK_SIGNALS */
5834
5835/* How about the old style of sigblock()? */
5836
5837#ifndef PERL_BLOCKSIG_ADD
5838# define PERL_BLOCKSIG_ADD(set, sig) NOOP
5839#endif
5840#ifndef PERL_BLOCKSIG_BLOCK
5841# define PERL_BLOCKSIG_BLOCK(set) NOOP
5842#endif
2bfba5f0 5843#ifndef PERL_BLOCKSIG_UNBLOCK
16bd9a85
JH		 5844# define PERL_BLOCKSIG_UNBLOCK(set) NOOP
5845#endif
5846
32fdb065 5847/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5848 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5849#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5850
3c0f78ca
JH		 5851#if defined(__DECC) && defined(__osf__)
5852#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 5853#endif
5854
e4dba786
NC		 5855#define do_open(g, n, l, a, rm, rp, sf) \
5856 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 5857#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 5858# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 5859#endif
15871fce
NC		 5860#ifdef OS2
5861# define do_aexec Perl_do_aexec
5862#else
5863# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 5864#endif
e4dba786 5865
2f3efc97
JH		 5866#if defined(OEMVS)
5867#define NO_ENV_ARRAY_IN_MAIN
5868#endif
5869
10edeb5d
JH		 5870/* These are used by Perl_pv_escape() and Perl_pv_pretty()
5871 * are here so that they are available throughout the core
5872 * NOTE that even though some are for _escape and some for _pretty
5873 * there must not be any clashes as the flags from _pretty are
5874 * passed straight through to _escape.
5875 */
5876
5877#define PERL_PV_ESCAPE_QUOTE 0x0001
5878#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
5879
95b611b0 5880#define PERL_PV_PRETTY_ELLIPSES 0x0002
10edeb5d
JH		 5881#define PERL_PV_PRETTY_LTGT 0x0004
5882
5883#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
5884
5885#define PERL_PV_ESCAPE_UNI 0x0100
5886#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
5887
5888#define PERL_PV_ESCAPE_ALL 0x1000
5889#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
5890#define PERL_PV_ESCAPE_NOCLEAR 0x4000
44a2ac75 5891#define PERL_PV_ESCAPE_RE 0x8000
10edeb5d 5892
881a015e
NC		 5893#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
5894
10edeb5d 5895/* used by pv_display in dump.c*/
95b611b0
RGS		 5896#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
5897#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE
10edeb5d
JH		 5898
5899/*
5900
5901 (KEEP THIS LAST IN perl.h!)
5902
5903 Mention
d460ef45 5904
43999f95 5905 NV_PRESERVES_UV
fe749a9f 5906
fe749a9f
JH		 5907 HAS_MKSTEMP
5908 HAS_MKSTEMPS
5909 HAS_MKDTEMP
5910
49dabb45
JH		 5911 HAS_GETCWD
5912
d59b5429 5913 HAS_MMAP
fe749a9f
JH		 5914 HAS_MPROTECT
5915 HAS_MSYNC
1e8c3fde 5916 HAS_MADVISE
fe749a9f
JH		 5917 HAS_MUNMAP
5918 I_SYSMMAN
5919 Mmap_t
5920
6b4667fc
A		 5921 NVef
5922 NVff
5923 NVgf
5924
4e0554ec 5925 HAS_UALARM
2d736872 5926 HAS_USLEEP
4e0554ec
JH		 5927
5928 HAS_SETITIMER
5929 HAS_GETITIMER
5930
5931 HAS_SENDMSG
5932 HAS_RECVMSG
5933 HAS_READV
5934 HAS_WRITEV
5935 I_SYSUIO
5936 HAS_STRUCT_MSGHDR
5937 HAS_STRUCT_CMSGHDR
5938
2765b840 5939 HAS_NL_LANGINFO
0a7020c9 5940
ae0e3d3b 5941 HAS_DIRFD
2765b840 5942
10edeb5d 5943 so that Configure picks them up.
ab3bbdeb 5944
10edeb5d 5945 (KEEP THIS LAST IN perl.h!)
3df15adc 5946
10edeb5d 5947*/
3df15adc 5948
85e6fe83 5949#endif /* Include guard */
e9a8c099
MHM		 5950
5951/*
5952 * Local variables:
5953 * c-indentation-style: bsd
5954 * c-basic-offset: 4
5955 * indent-tabs-mode: t
5956 * End:
5957 *
5958 * ex: set ts=8 sts=4 sw=4 noet:
5959 */
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