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Correct comment that 903fd87c missed
[perl5.git] / perl.h
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
1129b882 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
5cd3f21a 4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
00f254e2 31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
b0f06652
VK		 37# ifndef USE_CROSS_COMPILE
38# include "config.h"
39# else
40# include "xconfig.h"
41# endif
12ae5dfc 42#endif
0cb96387 43
2c2d71f5
JH		 44/* See L<perlguts/"The Perl API"> for detailed notes on
45 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
46
ac6bedea
JH		 47/* Note that from here --> to <-- the same logic is
48 * repeated in makedef.pl, so be certain to update
49 * both places when editing. */
50
894ccb8c
JH		 51#ifdef PERL_IMPLICIT_SYS
52/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
53 so use slab allocator to avoid lots of MUTEX overhead
54 */
55# ifndef PL_OP_SLAB_ALLOC
56# define PL_OP_SLAB_ALLOC
57# endif
ba979b31
NIS		 58#endif
59
6f4183fe 60#ifdef USE_ITHREADS
acfe0abc 61# if !defined(MULTIPLICITY)
6f4183fe
GS		 62# define MULTIPLICITY
63# endif
64#endif
65
27da23d5
JH		 66#ifdef PERL_GLOBAL_STRUCT_PRIVATE
67# ifndef PERL_GLOBAL_STRUCT
68# define PERL_GLOBAL_STRUCT
69# endif
70#endif
97aff369 71
27da23d5
JH		 72#ifdef PERL_GLOBAL_STRUCT
73# ifndef MULTIPLICITY
74# define MULTIPLICITY
75# endif
76#endif
77
97aff369
JH		 78#ifdef MULTIPLICITY
79# ifndef PERL_IMPLICIT_CONTEXT
80# define PERL_IMPLICIT_CONTEXT
81# endif
82#endif
83
026fd48b
GH		 84/* undef WIN32 when building on Cygwin (for libwin32) - gph */
85#ifdef __CYGWIN__
86# undef WIN32
87# undef _WIN32
88#endif
89
27da23d5
JH		 90#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
91# ifndef SYMBIAN
92# define SYMBIAN
93# endif
94#endif
95
a0fd4948 96#ifdef __SYMBIAN32__
27da23d5
JH		 97# include "symbian/symbian_proto.h"
98#endif
99
100/* Any stack-challenged places. The limit varies (and often
101 * is configurable), but using more than a kilobyte of stack
102 * is usually dubious in these systems. */
a0fd4948 103#if defined(EPOC) || defined(__SYMBIAN32__)
27da23d5
JH		 104/* EPOC/Symbian: need to work around the SDK features. *
105 * On WINS: MS VC5 generates calls to _chkstk, *
106 * if a "large" stack frame is allocated. *
107 * gcc on MARM does not generate calls like these. */
108# define USE_HEAP_INSTEAD_OF_STACK
109#endif
110
111#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 112/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 113#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 114# define USE_REENTRANT_API
115#endif
116
ac6bedea
JH		 117/* <--- here ends the logic shared by perl.h and makedef.pl */
118
af28e889 119/*
6239f2da
JH		 120 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
121 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 122 * __bsdi__ for BSD/OS
123 */
6239f2da 124#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 125# ifndef BSDish
126# define BSDish
127# endif
128#endif
129
cf5a8da6
MHM		 130#undef START_EXTERN_C
131#undef END_EXTERN_C
132#undef EXTERN_C
133#ifdef __cplusplus
134# define START_EXTERN_C extern "C" {
135# define END_EXTERN_C }
136# define EXTERN_C extern "C"
137#else
138# define START_EXTERN_C
139# define END_EXTERN_C
140# define EXTERN_C extern
141#endif
142
17a6c8e3
AD		 143/* Fallback definitions in case we don't have definitions from config.h.
144 This should only matter for systems that don't use Configure and
145 haven't been modified to define PERL_STATIC_INLINE yet.
146*/
147#if !defined(PERL_STATIC_INLINE)
148# ifdef HAS_STATIC_INLINE
149# define PERL_STATIC_INLINE static inline
150# else
151# define PERL_STATIC_INLINE static
152# endif
153#endif
154
27da23d5
JH		 155#ifdef PERL_GLOBAL_STRUCT
156# ifndef PERL_GET_VARS
157# ifdef PERL_GLOBAL_STRUCT_PRIVATE
cf5a8da6 158 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
27da23d5
JH		 159# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
160# ifndef PERLIO_FUNCS_CONST
161# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
162# endif
163# else
164# define PERL_GET_VARS() PL_VarsPtr
165# endif
166# endif
167#endif
168
7a89be66 169#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH		 170
171#ifdef PERL_GLOBAL_STRUCT
172# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
173#else
174# define dVAR dNOOP
175#endif
176
c5be433b 177#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 178# ifndef MULTIPLICITY
179# define MULTIPLICITY
c5be433b 180# endif
e8dda941 181# define tTHX PerlInterpreter*
5ba4cab2 182# define pTHX register tTHX my_perl PERL_UNUSED_DECL
3db8f154 183# define aTHX my_perl
27da23d5 184# ifdef PERL_GLOBAL_STRUCT
e8dda941 185# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 186# else
e8dda941 187# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH		 188# endif
189# ifdef PERL_GLOBAL_STRUCT
190# define dTHX dVAR; pTHX = PERL_GET_THX
191# else
192# define dTHX pTHX = PERL_GET_THX
193# endif
c5be433b 194# define pTHX_ pTHX,
c5be433b 195# define aTHX_ aTHX,
4373e329 196# define pTHX_1 2
894356b3
GS		 197# define pTHX_2 3
198# define pTHX_3 4
199# define pTHX_4 5
4373e329
AL		 200# define pTHX_5 6
201# define pTHX_6 7
a3b680e6
AL		 202# define pTHX_7 8
203# define pTHX_8 9
204# define pTHX_9 10
e8dda941
JD		 205# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
206# define PERL_TRACK_MEMPOOL
207# endif
208#else
209# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 210#endif
211
76e3520e 212#define STATIC static
16c91539
BM		 213
214#ifndef PERL_CORE
215/* Do not use these macros. They were part of PERL_OBJECT, which was an
216 * implementation of multiplicity using C++ objects. They have been left
217 * here solely for the sake of XS code which has incorrectly
218 * cargo-culted them.
219 */
76e3520e 220#define CPERLscope(x) x
565764a8 221#define CPERLarg void
76e3520e 222#define CPERLarg_
e3b8966e 223#define _CPERLarg
1d583055
GS		 224#define PERL_OBJECT_THIS
225#define _PERL_OBJECT_THIS
226#define PERL_OBJECT_THIS_
312caa8e 227#define CALL_FPTR(fptr) (*fptr)
ef69c8fc 228#define MEMBER_TO_FPTR(name) name
16c91539 229#endif /* !PERL_CORE */
76e3520e 230
16c91539 231#define CALLRUNOPS PL_runops
f9f4320a 232
3ab4a224 233#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 234
16c91539 235#define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
f9f4320a 236#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
16c91539 237 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
f9f4320a
YO		 238 (strbeg),(minend),(screamer),(data),(flags))
239#define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \
16c91539 240 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strpos), \
f9f4320a
YO		 241 (strend),(flags),(data))
242#define CALLREG_INTUIT_STRING(prog) \
16c91539 243 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
f8149455 244
f8149455
YO		 245#define CALLREGFREE(prog) \
246 Perl_pregfree(aTHX_ (prog))
247
248#define CALLREGFREE_PVT(prog) \
16c91539 249 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
f8149455 250
2fdbfb4d 251#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
16c91539 252 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
93b32b6d 253
2fdbfb4d 254#define CALLREG_NUMBUF_STORE(rx,paren,value) \
16c91539 255 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
2fdbfb4d
AB		 256
257#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
16c91539 258 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
2fdbfb4d 259
192b9cd1 260#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
16c91539 261 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
192b9cd1
AB		 262
263#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
16c91539 264 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
192b9cd1
AB		 265
266#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
16c91539 267 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB		 268
269#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
16c91539 270 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB		 271
272#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
16c91539 273 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB		 274
275#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
16c91539 276 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB		 277
278#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
16c91539 279 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB		 280
281#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
16c91539 282 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
AB		 283
284#define CALLREG_NAMED_BUFF_COUNT(rx) \
16c91539 285 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
192b9cd1
AB		 286
287#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
16c91539 288 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 289
49d7dfbc 290#define CALLREG_PACKAGE(rx) \
16c91539 291 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
93b32b6d 292
00f254e2 293#if defined(USE_ITHREADS)
f9f4320a 294#define CALLREGDUPE(prog,param) \
f8149455
YO		 295 Perl_re_dup(aTHX_ (prog),(param))
296
297#define CALLREGDUPE_PVT(prog,param) \
16c91539 298 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
00f254e2 299 : (REGEXP *)NULL)
f9f4320a 300#endif
14dd3ad8 301
a20207d7 302
bcdf7404 303
a20207d7
YO		 304
305
5ba4cab2
SH		 306/*
307 * Because of backward compatibility reasons the PERL_UNUSED_DECL
308 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
309 *
310 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 311 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 312 * marking unused variables (they need e.g. a #pragma) and therefore
313 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
314 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
315 *
316 */
1266ad8c 317
9969cdde 318#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 319# ifdef __cplusplus
5ba4cab2 320# define PERL_UNUSED_DECL
5b2bd0a5 321# else
5ba4cab2 322# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 323# endif
324#endif
44dbb695 325
5b2bd0a5 326#ifndef PERL_UNUSED_DECL
34659ad4 327# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 328# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 329# else
5ba4cab2 330# define PERL_UNUSED_DECL
b79c357a 331# endif
5b2bd0a5 332#endif
00f254e2 333
349b520e
DM		 334/* gcc -Wall:
335 * for silencing unused variables that are actually used most of the time,
a0288114 336 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 337 */
53c1dcc0 338#ifndef PERL_UNUSED_ARG
c99ffe5e 339# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 340# include <note.h>
53c1dcc0 341# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 342# else
53c1dcc0 343# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 344# endif
345#endif
53c1dcc0
AL		 346#ifndef PERL_UNUSED_VAR
347# define PERL_UNUSED_VAR(x) ((void)x)
348#endif
ad73156c 349
96a5add6
AL		 350#ifdef USE_ITHREADS
351# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
352#else
353# define PERL_UNUSED_CONTEXT
354#endif
355
6f207bd3 356#define NOOP /*EMPTY*/(void)0
6b484a99
JH		 357#if !defined(HASATTRIBUTE_UNUSED) && defined(__cplusplus)
358#define dNOOP /*EMPTY*/(void)0 /* Older g++ has no __attribute((unused))__ */
359#else
6f207bd3 360#define dNOOP extern int /*@unused@*/ Perl___notused PERL_UNUSED_DECL
6b484a99 361#endif
71be2cbc 362
0cb96387 363#ifndef pTHX
e8dda941
JD		 364/* Don't bother defining tTHX and sTHX; using them outside
365 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
366 */
0cb96387
GS		 367# define pTHX void
368# define pTHX_
0cb96387
GS		 369# define aTHX
370# define aTHX_
0cb96387
GS		 371# define dTHXa(a) dNOOP
372# define dTHX dNOOP
894356b3
GS		 373# define pTHX_1 1
374# define pTHX_2 2
375# define pTHX_3 3
376# define pTHX_4 4
3d42dc86
RGS		 377# define pTHX_5 5
378# define pTHX_6 6
a3b680e6
AL		 379# define pTHX_7 7
380# define pTHX_8 8
381# define pTHX_9 9
0cb96387
GS		 382#endif
383
27da23d5
JH		 384#ifndef dVAR
385# define dVAR dNOOP
386#endif
387
b4f7f263
GS		 388/* these are only defined for compatibility; should not be used internally */
389#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 390# define pTHXo pTHX
391# define pTHXo_ pTHX_
0cb96387
GS		 392# define aTHXo aTHX
393# define aTHXo_ aTHX_
c5be433b 394# define dTHXo dTHX
71d280e3 395# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 396#endif
397
398#ifndef pTHXx
399# define pTHXx register PerlInterpreter *my_perl
400# define pTHXx_ pTHXx,
0cb96387
GS		 401# define aTHXx my_perl
402# define aTHXx_ aTHXx,
c5be433b 403# define dTHXx dTHX
22c35a8c 404#endif
71be2cbc 405
1de7c2ac
GS		 406/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
407 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
408 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
409#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 410# ifdef PERL_GLOBAL_STRUCT_PRIVATE
411# define dTHXs dVAR; dTHX
412# else
413# define dTHXs dTHX
414# endif
1de7c2ac 415#else
27da23d5
JH		 416# ifdef PERL_GLOBAL_STRUCT_PRIVATE
417# define dTHXs dVAR
418# else
419# define dTHXs dNOOP
420# endif
1de7c2ac
GS		 421#endif
422
27da23d5
JH		 423/* Some platforms require marking function declarations
424 * for them to be exportable. Used in perlio.h, proto.h
425 * is handled either by the makedef.pl or by defining the
426 * PERL_CALLCONV to be something special. See also the
427 * definition of XS() in XSUB.h. */
428#ifndef PERL_EXPORT_C
a0c21aa1
JH		 429# ifdef __cplusplus
430# define PERL_EXPORT_C extern "C"
431# else
432# define PERL_EXPORT_C extern
433# endif
27da23d5
JH		 434#endif
435#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 436# ifdef __cplusplus
437# define PERL_XS_EXPORT_C extern "C"
438# else
439# define PERL_XS_EXPORT_C
440# endif
27da23d5
JH		 441#endif
442
462e5cf6
MB		 443#ifdef OP_IN_REGISTER
444# ifdef __GNUC__
445# define stringify_immed(s) #s
446# define stringify(s) stringify_immed(s)
d1ca3daa 447register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 448# endif
449#endif
450
e5afc1ae 451/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 452 * g++ allows them but seems to have problems with them
70aab261
RB		 453 * (insane errors ensue).
454 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
455 */
456#if defined(PERL_GCC_PEDANTIC) || \
457 (defined(__GNUC__) && defined(__cplusplus) && \
458 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 459# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 460# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
461# endif
5dc8bdac
JH		 462#endif
463
5b692037
JH		 464#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
465# ifndef PERL_USE_GCC_BRACE_GROUPS
466# define PERL_USE_GCC_BRACE_GROUPS
467# endif
468#endif
469
728e2803 470/*
471 * STMT_START { statements; } STMT_END;
472 * can be used as a single statement, as in
473 * if (x) STMT_START { ... } STMT_END; else ...
474 *
475 * Trying to select a version that gives no warnings...
476 */
477#if !(defined(STMT_START) && defined(STMT_END))
5b692037 478# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 479# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 480# define STMT_END )
481# else
482 /* Now which other defined()s do we need here ??? */
93189314 483# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 484# define STMT_START if (1)
485# define STMT_END else (void)0
486# else
487# define STMT_START do
488# define STMT_END while (0)
489# endif
490# endif
491#endif
492
0cb96387 493#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 494#define WITH_THR(s) WITH_THX(s)
ea0efc06 495
d6f9c181
JH		 496#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
497# define BYTEORDER 0x1234
79072805
LW		 498#endif
499
500/* Overall memory policy? */
501#ifndef CONSERVATIVE
502# define LIBERAL 1
503#endif
504
8ada0baa
JH		 505#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
506#define ASCIIish
507#else
508#undef ASCIIish
509#endif
510
79072805
LW		 511/*
512 * The following contortions are brought to you on behalf of all the
513 * standards, semi-standards, de facto standards, not-so-de-facto standards
514 * of the world, as well as all the other botches anyone ever thought of.
515 * The basic theory is that if we work hard enough here, the rest of the
516 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
517 */
ac58e20f 518
ee0007ab 519/* define this once if either system, instead of cluttering up the src */
2986a63f 520#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 521#define DOSISH 1
522#endif
523
fb38d079 524#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 525# define STANDARD_C 1
526#endif
527
9969cdde 528#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 529# define DONT_DECLARE_STD 1
530#endif
531
352d5a3a 532#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 533# define VOL volatile
663a0e37 534#else
79072805 535# define VOL
663a0e37
LW		 536#endif
537
3280af22
NIS		 538#define TAINT (PL_tainted = TRUE)
539#define TAINT_NOT (PL_tainted = FALSE)
540#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
541#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 542#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 543
20be6587
DM		 544/* flags used internally only within pp_subst and pp_substcont */
545#ifdef PERL_CORE
546# define SUBST_TAINT_STR 1 /* string tainted */
547# define SUBST_TAINT_PAT 2 /* pattern tainted */
548# define SUBST_TAINT_REPL 4 /* replacement tainted */
549# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
550# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
551#endif
552
d460ef45 553/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 554 defines move there? If so, I could simplify this a lot. --AD 9/96.
555*/
556/* Process group stuff changed from traditional BSD to POSIX.
557 perlfunc.pod documents the traditional BSD-style syntax, so we'll
558 try to preserve that, if possible.
559*/
560#ifdef HAS_SETPGID
561# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 562#else
a6e633de 563# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
564# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
565# else
566# ifdef HAS_SETPGRP2 /* DG/UX */
567# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
568# endif
569# endif
570#endif
571#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
572# define HAS_SETPGRP /* Well, effectively it does . . . */
573#endif
574
575/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
576 our life easier :-) so we'll try it.
577*/
578#ifdef HAS_GETPGID
579# define BSD_GETPGRP(pid) getpgid((pid))
580#else
581# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
582# define BSD_GETPGRP(pid) getpgrp((pid))
583# else
584# ifdef HAS_GETPGRP2 /* DG/UX */
585# define BSD_GETPGRP(pid) getpgrp2((pid))
586# endif
587# endif
588#endif
589#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
590# define HAS_GETPGRP /* Well, effectively it does . . . */
591#endif
592
d460ef45 593/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 594 have different behaviors, but perl.h used to define USE_BSDPGRP
595 (prior to 5.003_05) so some extension might depend on it.
596*/
597#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
598# ifndef USE_BSDPGRP
599# define USE_BSDPGRP
600# endif
663a0e37
LW		 601#endif
602
486ec47a 603/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH		 604 pthread.h must be included before all other header files.
605*/
3db8f154 606#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 607# include <pthread.h>
608#endif
609
760ac839
LW		 610#ifndef _TYPES_ /* If types.h defines this it's easy. */
611# ifndef major /* Does everyone's types.h define this? */
612# include <sys/types.h>
c07a80fd 613# endif
663a0e37
LW		 614#endif
615
760ac839
LW		 616#ifdef __cplusplus
617# ifndef I_STDARG
618# define I_STDARG 1
619# endif
620#endif
621
622#ifdef I_STDARG
623# include <stdarg.h>
624#else
625# ifdef I_VARARGS
626# include <varargs.h>
627# endif
628#endif
629
4633a7c4 630#ifdef USE_NEXT_CTYPE
0c30d9ec 631
092bebab
JH		 632#if NX_CURRENT_COMPILER_RELEASE >= 500
633# include <bsd/ctypes.h>
634#else
635# if NX_CURRENT_COMPILER_RELEASE >= 400
636# include <objc/NXCType.h>
637# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
638# include <appkit/NXCType.h>
639# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
640#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 641
642#else /* !USE_NEXT_CTYPE */
fe14fcc3 643#include <ctype.h>
0c30d9ec 644#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 645
646#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
647#undef METHOD
a0d0e21e
LW		 648#endif
649
12ae5dfc
JH		 650#ifdef PERL_MICRO
651# define NO_LOCALE
652#endif
653
4633a7c4 654#ifdef I_LOCALE
36477c24 655# include <locale.h>
4633a7c4
LW		 656#endif
657
36477c24 658#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
659# define USE_LOCALE
660# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
661 && defined(HAS_STRXFRM)
662# define USE_LOCALE_COLLATE
663# endif
664# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
665# define USE_LOCALE_CTYPE
666# endif
667# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
668# define USE_LOCALE_NUMERIC
669# endif
670#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 671
fe14fcc3 672#include <setjmp.h>
79072805 673
a0d0e21e 674#ifdef I_SYS_PARAM
79072805
LW		 675# ifdef PARAM_NEEDS_TYPES
676# include <sys/types.h>
677# endif
678# include <sys/param.h>
352d5a3a 679#endif
79072805 680
79072805 681/* Use all the "standard" definitions? */
a0d0e21e 682#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 683# include <stdlib.h>
ff68c719 684#endif
03a14243 685
3f270f98
JH		 686/* If this causes problems, set i_unistd=undef in the hint file. */
687#ifdef I_UNISTD
688# include <unistd.h>
689#endif
690
de8ca8af
NT		 691/* for WCOREDUMP */
692#ifdef I_SYS_WAIT
693# include <sys/wait.h>
694#endif
695
9969cdde 696#ifdef __SYMBIAN32__
27da23d5
JH		 697# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
698#endif
699
7114a2d2 700#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 701EXTERN_C int syscall(int, ...);
2ef53570
JH		 702#endif
703
7114a2d2 704#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 705EXTERN_C int usleep(unsigned int);
2ef53570
JH		 706#endif
707
9c12f1e5
RGS		 708/* Funky places that do not have socket stuff. */
709#if defined(__LIBCATAMOUNT__)
710# define MYSWAP
711#endif
712
9a34ef1d
GS		 713#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
714# define MYSWAP
715#endif
716
1109a392
MHM		 717#ifdef PERL_CORE
718
719/* macros for correct constant construction */
720# if INTSIZE >= 2
721# define U16_CONST(x) ((U16)x##U)
722# else
723# define U16_CONST(x) ((U16)x##UL)
724# endif
725
726# if INTSIZE >= 4
727# define U32_CONST(x) ((U32)x##U)
728# else
729# define U32_CONST(x) ((U32)x##UL)
730# endif
731
732# ifdef HAS_QUAD
733# if INTSIZE >= 8
734# define U64_CONST(x) ((U64)x##U)
735# elif LONGSIZE >= 8
736# define U64_CONST(x) ((U64)x##UL)
737# elif QUADKIND == QUAD_IS_LONG_LONG
738# define U64_CONST(x) ((U64)x##ULL)
739# else /* best guess we can make */
740# define U64_CONST(x) ((U64)x##UL)
741# endif
742# endif
743
744/* byte-swapping functions for big-/little-endian conversion */
745# define _swab_16_(x) ((U16)( \
746 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
747 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
748
749# define _swab_32_(x) ((U32)( \
750 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
751 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
752 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
753 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
754
755# ifdef HAS_QUAD
756# define _swab_64_(x) ((U64)( \
757 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
758 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
759 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
760 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
761 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
762 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
763 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
764 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
765# endif
766
767/*----------------------------------------------------------------------------*/
768# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
769/*----------------------------------------------------------------------------*/
770# define my_htole16(x) (x)
771# define my_letoh16(x) (x)
772# define my_htole32(x) (x)
773# define my_letoh32(x) (x)
774# define my_htobe16(x) _swab_16_(x)
775# define my_betoh16(x) _swab_16_(x)
776# define my_htobe32(x) _swab_32_(x)
777# define my_betoh32(x) _swab_32_(x)
778# ifdef HAS_QUAD
779# define my_htole64(x) (x)
780# define my_letoh64(x) (x)
781# define my_htobe64(x) _swab_64_(x)
782# define my_betoh64(x) _swab_64_(x)
783# endif
784# define my_htoles(x) (x)
785# define my_letohs(x) (x)
786# define my_htolei(x) (x)
787# define my_letohi(x) (x)
788# define my_htolel(x) (x)
789# define my_letohl(x) (x)
790# if SHORTSIZE == 1
791# define my_htobes(x) (x)
792# define my_betohs(x) (x)
793# elif SHORTSIZE == 2
794# define my_htobes(x) _swab_16_(x)
795# define my_betohs(x) _swab_16_(x)
796# elif SHORTSIZE == 4
797# define my_htobes(x) _swab_32_(x)
798# define my_betohs(x) _swab_32_(x)
799# elif SHORTSIZE == 8
800# define my_htobes(x) _swab_64_(x)
801# define my_betohs(x) _swab_64_(x)
802# else
803# define PERL_NEED_MY_HTOBES
804# define PERL_NEED_MY_BETOHS
805# endif
806# if INTSIZE == 1
807# define my_htobei(x) (x)
808# define my_betohi(x) (x)
809# elif INTSIZE == 2
810# define my_htobei(x) _swab_16_(x)
811# define my_betohi(x) _swab_16_(x)
812# elif INTSIZE == 4
813# define my_htobei(x) _swab_32_(x)
814# define my_betohi(x) _swab_32_(x)
815# elif INTSIZE == 8
816# define my_htobei(x) _swab_64_(x)
817# define my_betohi(x) _swab_64_(x)
818# else
819# define PERL_NEED_MY_HTOBEI
820# define PERL_NEED_MY_BETOHI
821# endif
822# if LONGSIZE == 1
823# define my_htobel(x) (x)
824# define my_betohl(x) (x)
825# elif LONGSIZE == 2
826# define my_htobel(x) _swab_16_(x)
827# define my_betohl(x) _swab_16_(x)
828# elif LONGSIZE == 4
829# define my_htobel(x) _swab_32_(x)
830# define my_betohl(x) _swab_32_(x)
831# elif LONGSIZE == 8
832# define my_htobel(x) _swab_64_(x)
833# define my_betohl(x) _swab_64_(x)
834# else
835# define PERL_NEED_MY_HTOBEL
836# define PERL_NEED_MY_BETOHL
837# endif
838# define my_htolen(p,n) NOOP
839# define my_letohn(p,n) NOOP
840# define my_htoben(p,n) my_swabn(p,n)
841# define my_betohn(p,n) my_swabn(p,n)
842/*----------------------------------------------------------------------------*/
843# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
844/*----------------------------------------------------------------------------*/
845# define my_htobe16(x) (x)
846# define my_betoh16(x) (x)
847# define my_htobe32(x) (x)
848# define my_betoh32(x) (x)
849# define my_htole16(x) _swab_16_(x)
850# define my_letoh16(x) _swab_16_(x)
851# define my_htole32(x) _swab_32_(x)
852# define my_letoh32(x) _swab_32_(x)
853# ifdef HAS_QUAD
854# define my_htobe64(x) (x)
855# define my_betoh64(x) (x)
856# define my_htole64(x) _swab_64_(x)
857# define my_letoh64(x) _swab_64_(x)
858# endif
859# define my_htobes(x) (x)
860# define my_betohs(x) (x)
861# define my_htobei(x) (x)
862# define my_betohi(x) (x)
863# define my_htobel(x) (x)
864# define my_betohl(x) (x)
865# if SHORTSIZE == 1
866# define my_htoles(x) (x)
867# define my_letohs(x) (x)
868# elif SHORTSIZE == 2
869# define my_htoles(x) _swab_16_(x)
870# define my_letohs(x) _swab_16_(x)
871# elif SHORTSIZE == 4
872# define my_htoles(x) _swab_32_(x)
873# define my_letohs(x) _swab_32_(x)
874# elif SHORTSIZE == 8
875# define my_htoles(x) _swab_64_(x)
876# define my_letohs(x) _swab_64_(x)
877# else
878# define PERL_NEED_MY_HTOLES
879# define PERL_NEED_MY_LETOHS
880# endif
881# if INTSIZE == 1
882# define my_htolei(x) (x)
883# define my_letohi(x) (x)
884# elif INTSIZE == 2
885# define my_htolei(x) _swab_16_(x)
886# define my_letohi(x) _swab_16_(x)
887# elif INTSIZE == 4
888# define my_htolei(x) _swab_32_(x)
889# define my_letohi(x) _swab_32_(x)
890# elif INTSIZE == 8
891# define my_htolei(x) _swab_64_(x)
892# define my_letohi(x) _swab_64_(x)
893# else
894# define PERL_NEED_MY_HTOLEI
895# define PERL_NEED_MY_LETOHI
896# endif
897# if LONGSIZE == 1
898# define my_htolel(x) (x)
899# define my_letohl(x) (x)
900# elif LONGSIZE == 2
901# define my_htolel(x) _swab_16_(x)
902# define my_letohl(x) _swab_16_(x)
903# elif LONGSIZE == 4
904# define my_htolel(x) _swab_32_(x)
905# define my_letohl(x) _swab_32_(x)
906# elif LONGSIZE == 8
907# define my_htolel(x) _swab_64_(x)
908# define my_letohl(x) _swab_64_(x)
909# else
910# define PERL_NEED_MY_HTOLEL
911# define PERL_NEED_MY_LETOHL
912# endif
913# define my_htolen(p,n) my_swabn(p,n)
914# define my_letohn(p,n) my_swabn(p,n)
915# define my_htoben(p,n) NOOP
916# define my_betohn(p,n) NOOP
917/*----------------------------------------------------------------------------*/
918# else /* all other byte-orders */
919/*----------------------------------------------------------------------------*/
920# define PERL_NEED_MY_HTOLE16
921# define PERL_NEED_MY_LETOH16
922# define PERL_NEED_MY_HTOBE16
923# define PERL_NEED_MY_BETOH16
924# define PERL_NEED_MY_HTOLE32
925# define PERL_NEED_MY_LETOH32
926# define PERL_NEED_MY_HTOBE32
927# define PERL_NEED_MY_BETOH32
928# ifdef HAS_QUAD
929# define PERL_NEED_MY_HTOLE64
930# define PERL_NEED_MY_LETOH64
931# define PERL_NEED_MY_HTOBE64
932# define PERL_NEED_MY_BETOH64
933# endif
934# define PERL_NEED_MY_HTOLES
935# define PERL_NEED_MY_LETOHS
936# define PERL_NEED_MY_HTOBES
937# define PERL_NEED_MY_BETOHS
938# define PERL_NEED_MY_HTOLEI
939# define PERL_NEED_MY_LETOHI
940# define PERL_NEED_MY_HTOBEI
941# define PERL_NEED_MY_BETOHI
942# define PERL_NEED_MY_HTOLEL
943# define PERL_NEED_MY_LETOHL
944# define PERL_NEED_MY_HTOBEL
945# define PERL_NEED_MY_BETOHL
946/*----------------------------------------------------------------------------*/
947# endif /* end of byte-order macros */
948/*----------------------------------------------------------------------------*/
949
9c17f24a
NC		 950/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
951 at least on FreeBSD. YMMV, so experiment. */
952#ifndef PERL_ARENA_SIZE
953#define PERL_ARENA_SIZE 4080
954#endif
955
ccb2c8b8 956/* Maximum level of recursion */
2b9dff67
RGS		 957#ifndef PERL_SUB_DEPTH_WARN
958#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 959#endif
960
1109a392
MHM		 961#endif /* PERL_CORE */
962
bdf3085f
NC		 963/* We no longer default to creating a new SV for GvSV.
964 Do this before embed. */
965#ifndef PERL_CREATE_GVSV
7459f06b
NC		 966# ifndef PERL_DONT_CREATE_GVSV
967# define PERL_DONT_CREATE_GVSV
968# endif
bdf3085f
NC		 969#endif
970
ca0c25f6
NC		 971#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
972#define PERL_USES_PL_PIDSTATUS
973#endif
974
e37778c2 975#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__)
a62746fa
RGS		 976#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
977#endif
978
00f254e2 979/* Cannot include embed.h here on Win32 as win32.h has not
66a93824
NIS		 980 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
981 */
96e176bf 982#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 983# include "embed.h"
eb8433b7
NC		 984# ifndef PERL_MAD
985# undef op_getmad
b3f24c00 986# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 987# endif
cea2e8a9
GS		 988#endif
989
c31fac66
GS		 990#define MEM_SIZE Size_t
991
1936d2a7
NC		 992/* Round all values passed to malloc up, by default to a multiple of
993 sizeof(size_t)
994*/
995#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
996#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
997#endif
998
f1200559
WH		 999/* sv_grow() will expand strings by at least a certain percentage of
1000 the previously *used* length to avoid excessive calls to realloc().
1001 The default is 25% of the current length.
1002*/
1003#ifndef PERL_STRLEN_EXPAND_SHIFT
1004# define PERL_STRLEN_EXPAND_SHIFT 2
1005#endif
1006
51371543
GS		 1007#if defined(STANDARD_C) && defined(I_STDDEF)
1008# include <stddef.h>
1009# define STRUCT_OFFSET(s,m) offsetof(s,m)
1010#else
1011# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
1012#endif
1013
9969cdde 1014#ifndef __SYMBIAN32__
27da23d5
JH		 1015# if defined(I_STRING) || defined(__cplusplus)
1016# include <string.h>
1017# else
1018# include <strings.h>
1019# endif
51371543
GS		 1020#endif
1021
55497cff 1022/* This comes after <stdlib.h> so we don't try to change the standard
1023 * library prototypes; we'll use our own in proto.h instead. */
03a14243 1024
4633a7c4 1025#ifdef MYMALLOC
86058a2d 1026# ifdef PERL_POLLUTE_MALLOC
ee13e175 1027# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 1028# define Perl_malloc malloc
1029# define Perl_calloc calloc
1030# define Perl_realloc realloc
1031# define Perl_mfree free
ee13e175 1032# endif
86058a2d
GS		 1033# else
1034# define EMBEDMYMALLOC /* for compatibility */
1035# endif
827e134a 1036
651b9576
GS		 1037# define safemalloc Perl_malloc
1038# define safecalloc Perl_calloc
1039# define saferealloc Perl_realloc
1040# define safefree Perl_mfree
22f7c9c9
JH		 1041# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1042 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1043 code; \
1044 } STMT_END
1045# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1046 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1047# define panic_write2(s) write(2, s, strlen(s))
1048# define CHECK_MALLOC_TAINT(newval) \
1049 CHECK_MALLOC_TOO_LATE_FOR_( \
1050 if (newval) { \
1051 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1052 exit(1); })
22f7c9c9 1053# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1054 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 1055 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1056 }} STMT_END;
f2517201
GS		 1057#else /* MYMALLOC */
1058# define safemalloc safesysmalloc
1059# define safecalloc safesyscalloc
1060# define saferealloc safesysrealloc
1061# define safefree safesysfree
22f7c9c9
JH		 1062# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1063# define CHECK_MALLOC_TAINT(newval) ((void)0)
1064# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1065#endif /* MYMALLOC */
4633a7c4 1066
fe13d51d 1067/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 1068#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		 1069#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1070#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1071#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1072
a0d0e21e
LW		 1073#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1074#define strchr index
1075#define strrchr rindex
1076#endif
1077
16d20bd9
AD		 1078#ifdef I_MEMORY
1079# include <memory.h>
1080#endif
1081
fe14fcc3 1082#ifdef HAS_MEMCPY
85e6fe83 1083# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1084# ifndef memcpy
20ce7b12 1085 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 1086# endif
1087# endif
1088#else
1089# ifndef memcpy
1090# ifdef HAS_BCOPY
1091# define memcpy(d,s,l) bcopy(s,d,l)
1092# else
1093# define memcpy(d,s,l) my_bcopy(s,d,l)
1094# endif
1095# endif
1096#endif /* HAS_MEMCPY */
fe14fcc3 1097
ee0007ab 1098#ifdef HAS_MEMSET
85e6fe83 1099# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1100# ifndef memset
20ce7b12 1101 extern char *memset (char*, int, int);
ee0007ab
LW		 1102# endif
1103# endif
ee0007ab 1104#else
12ae5dfc 1105# undef memset
fc36a67e 1106# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1107#endif /* HAS_MEMSET */
1108
85e6fe83 1109#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1110# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1111# define memmove(d,s,l) bcopy(s,d,l)
1112# else
2304df62 1113# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1114# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1115# else
79072805 1116# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1117# endif
352d5a3a 1118# endif
d9d8d8de 1119#endif
ee0007ab 1120
36477c24 1121#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1122# undef HAS_MEMCMP
1123#endif
1124
1125#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1126# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1127# ifndef memcmp
20ce7b12 1128 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1129# endif
1130# endif
36477c24 1131# ifdef BUGGY_MSC
7e4e8c89 1132# pragma function(memcmp)
36477c24 1133# endif
ee0007ab
LW		 1134#else
1135# ifndef memcmp
ecfc5424 1136# define memcmp my_memcmp
352d5a3a 1137# endif
36477c24 1138#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1139
fc36a67e 1140#ifndef memzero
c635e13b 1141# ifdef HAS_MEMSET
1142# define memzero(d,l) memset(d,0,l)
79072805 1143# else
c635e13b 1144# ifdef HAS_BZERO
1145# define memzero(d,l) bzero(d,l)
79072805 1146# else
fc36a67e 1147# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1148# endif
1149# endif
d9d8d8de 1150#endif
378cc40b 1151
2f42fcb0 1152#ifndef PERL_MICRO
0f27ced1
JH		 1153#ifndef memchr
1154# ifndef HAS_MEMCHR
1155# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1156# endif
1157#endif
2f42fcb0 1158#endif
0f27ced1 1159
36477c24 1160#ifndef HAS_BCMP
1161# ifndef bcmp
1162# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1163# endif
36477c24 1164#endif /* !HAS_BCMP */
378cc40b 1165
ae986130 1166#ifdef I_NETINET_IN
79072805 1167# include <netinet/in.h>
ae986130
LW		 1168#endif
1169
28e8609d
JH		 1170#ifdef I_ARPA_INET
1171# include <arpa/inet.h>
1172#endif
1173
84902520
TB		 1174#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1175/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1176 * (the neo-BSD seem to do this). */
1177# undef SF_APPEND
1178#endif
1179
1aef975c 1180#ifdef I_SYS_STAT
84902520 1181# include <sys/stat.h>
1aef975c 1182#endif
79072805 1183
287a962e
JD		 1184/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1185 This definition should ideally go into win32/win32.h, but S_IFIFO is
1186 used later here in perl.h before win32/win32.h is being included. */
1187#if !defined(S_IFIFO) && defined(_S_IFIFO)
1188# define S_IFIFO _S_IFIFO
1189#endif
1190
a0d0e21e
LW		 1191/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1192 like UTekV) are broken, sometimes giving false positives. Undefine
1193 them here and let the code below set them to proper values.
1194
1195 The ghs macro stands for GreenHills Software C-1.8.5 which
1196 is the C compiler for sysV88 and the various derivatives.
1197 This header file bug is corrected in gcc-2.5.8 and later versions.
1198 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1199
1200#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1201# undef S_ISDIR
1202# undef S_ISCHR
1203# undef S_ISBLK
1204# undef S_ISREG
1205# undef S_ISFIFO
1206# undef S_ISLNK
ee0007ab 1207#endif
135863df 1208
663a0e37
LW		 1209#ifdef I_TIME
1210# include <time.h>
ffed7fef 1211#endif
663a0e37 1212
fe14fcc3 1213#ifdef I_SYS_TIME
85e6fe83 1214# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1215# define KERNEL
1216# endif
1217# include <sys/time.h>
85e6fe83 1218# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1219# undef KERNEL
1220# endif
a687059c 1221#endif
135863df 1222
55497cff 1223#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1224# include <sys/times.h>
d9d8d8de 1225#endif
8d063cd8 1226
fe14fcc3 1227#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1228# undef HAS_STRERROR
663a0e37
LW		 1229#endif
1230
1231#include <errno.h>
1e743fda 1232
acfe0abc 1233#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1234# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1235#endif
1236
8cfab5ff 1237/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1238 * This is important for using IPv6.
8cfab5ff
JH		 1239 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1240 * a bad idea since it breaks send() and recv(). */
1241#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1242# define _SOCKADDR_LEN
1243#endif
1244
8d3f517a 1245#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1246# include <sys/socket.h>
1247# if defined(USE_SOCKS) && defined(I_SOCKS)
1248# if !defined(INCLUDE_PROTOTYPES)
1249# define INCLUDE_PROTOTYPES /* for <socks.h> */
1250# define PERL_SOCKS_NEED_PROTOTYPES
1251# endif
1252# include <socks.h>
1253# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1254# undef INCLUDE_PROTOTYPES
1255# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1256# endif
d460ef45 1257# endif
1e743fda 1258# ifdef I_NETDB
2986a63f
JH		 1259# ifdef NETWARE
1260# include<stdio.h>
1261# endif
1e743fda
JH		 1262# include <netdb.h>
1263# endif
1264# ifndef ENOTSOCK
1265# ifdef I_NET_ERRNO
1266# include <net/errno.h>
1267# endif
1268# endif
1269#endif
1270
fa0a29af 1271/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1272 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1273 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1274#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1275# if defined(__THROW) && defined(__GLIBC__)
1276int sockatmark(int) __THROW;
1277# else
2ef53570 1278int sockatmark(int);
29820b6d 1279# endif
2ef53570
JH		 1280#endif
1281
7e827271 1282#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		 1283EXTERN_C int fchdir(int);
1284EXTERN_C int flock(int, int);
1285EXTERN_C int fseeko(FILE *, off_t, int);
1286EXTERN_C off_t ftello(FILE *);
1287#endif
1288
7e827271 1289#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1290EXTERN_C char *crypt(const char *, const char *);
7e827271 1291EXTERN_C char **environ;
1ccb7c8d
JH		 1292#endif
1293
83a6ff2e 1294#if defined(__cplusplus)
944c4fda 1295# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1296EXTERN_C char **environ;
83a6ff2e 1297# elif defined(__CYGWIN__)
667e2948
SP		 1298EXTERN_C char *crypt(const char *, const char *);
1299#endif
83a6ff2e 1300#endif
667e2948 1301
1e743fda
JH		 1302#ifdef SETERRNO
1303# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1304#endif
f86702cc 1305
1306#ifdef VMS
1307# define SETERRNO(errcode,vmserrcode) \
1308 STMT_START { \
1309 set_errno(errcode); \
1310 set_vaxc_errno(vmserrcode); \
1311 } STMT_END
4ee39169
CS		 1312# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1313# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1314# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1315# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1316
93189314
JH		 1317# define LIB_INVARG LIB$_INVARG
1318# define RMS_DIR RMS$_DIR
1319# define RMS_FAC RMS$_FAC
1320# define RMS_FEX RMS$_FEX
1321# define RMS_FNF RMS$_FNF
1322# define RMS_IFI RMS$_IFI
1323# define RMS_ISI RMS$_ISI
1324# define RMS_PRV RMS$_PRV
1325# define SS_ACCVIO SS$_ACCVIO
1326# define SS_DEVOFFLINE SS$_DEVOFFLINE
1327# define SS_IVCHAN SS$_IVCHAN
1328# define SS_NORMAL SS$_NORMAL
748a9306 1329#else
aba27d88 1330# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS		 1331# define dSAVEDERRNO int saved_errno
1332# define dSAVE_ERRNO int saved_errno = errno
1333# define SAVE_ERRNO (saved_errno = errno)
1334# define RESTORE_ERRNO (errno = saved_errno)
1335
93189314
JH		 1336# define LIB_INVARG 0
1337# define RMS_DIR 0
1338# define RMS_FAC 0
1339# define RMS_FEX 0
1340# define RMS_FNF 0
1341# define RMS_IFI 0
1342# define RMS_ISI 0
1343# define RMS_PRV 0
1344# define SS_ACCVIO 0
1345# define SS_DEVOFFLINE 0
1346# define SS_IVCHAN 0
1347# define SS_NORMAL 0
748a9306 1348#endif
ed6116ce 1349
f5fa9033 1350#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC		 1351
1352#define CLEAR_ERRSV() STMT_START { \
1353 if (!GvSV(PL_errgv)) { \
1354 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1355 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1356 SvREFCNT_dec(GvSV(PL_errgv)); \
1357 GvSV(PL_errgv) = newSVpvs(""); \
1358 } else { \
1359 SV *const errsv = GvSV(PL_errgv); \
1360 sv_setpvs(errsv, ""); \
1361 if (SvMAGICAL(errsv)) { \
1362 mg_free(errsv); \
1363 } \
1364 SvPOK_only(errsv); \
1365 } \
1366 } STMT_END
1367
1368
414bf5ae
MHM		 1369#ifdef PERL_CORE
1370# define DEFSV (0 + GvSVn(PL_defgv))
1371#else
1372# define DEFSV GvSVn(PL_defgv)
1373#endif
1374#define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
3db8f154 1375#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1376
98eae8f5
GS		 1377#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1378
55497cff 1379#ifndef errno
5ff3f7a4
GS		 1380 extern int errno; /* ANSI allows errno to be an lvalue expr.
1381 * For example in multithreaded environments
1382 * something like this might happen:
1383 * extern int *_errno(void);
1384 * #define errno (*_errno()) */
d9d8d8de 1385#endif
663a0e37 1386
2304df62 1387#ifdef HAS_STRERROR
a0d0e21e 1388# ifdef VMS
20ce7b12 1389 char *strerror (int,...);
a0d0e21e 1390# else
68dc0745 1391#ifndef DONT_DECLARE_STD
20ce7b12 1392 char *strerror (int);
68dc0745 1393#endif
a0d0e21e 1394# endif
2304df62
AD		 1395# ifndef Strerror
1396# define Strerror strerror
1397# endif
1398#else
1399# ifdef HAS_SYS_ERRLIST
79072805
LW		 1400 extern int sys_nerr;
1401 extern char *sys_errlist[];
2304df62
AD		 1402# ifndef Strerror
1403# define Strerror(e) \
79072805 1404 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1405# endif
79072805 1406# endif
35c8bce7 1407#endif
663a0e37 1408
2304df62 1409#ifdef I_SYS_IOCTL
79072805
LW		 1410# ifndef _IOCTL_
1411# include <sys/ioctl.h>
1412# endif
a687059c
LW		 1413#endif
1414
ee0007ab 1415#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1416# ifdef HAS_SOCKETPAIR
1417# undef HAS_SOCKETPAIR
1418# endif
2304df62
AD		 1419# ifdef I_NDBM
1420# undef I_NDBM
79072805 1421# endif
a687059c
LW		 1422#endif
1423
02fc2eee
NC		 1424#ifndef HAS_SOCKETPAIR
1425# ifdef HAS_SOCKET
1426# define socketpair Perl_my_socketpair
1427# endif
1428#endif
1429
a687059c 1430#if INTSIZE == 2
79072805
LW		 1431# define htoni htons
1432# define ntohi ntohs
a687059c 1433#else
79072805
LW		 1434# define htoni htonl
1435# define ntohi ntohl
a687059c
LW		 1436#endif
1437
a0d0e21e 1438/* Configure already sets Direntry_t */
35c8bce7 1439#if defined(I_DIRENT)
663a0e37 1440# include <dirent.h>
8f1f23e8
W		 1441 /* NeXT needs dirent + sys/dir.h */
1442# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1443# include <sys/dir.h>
1444# endif
ae986130 1445#else
fe14fcc3 1446# ifdef I_SYS_NDIR
79a0689e 1447# include <sys/ndir.h>
663a0e37 1448# else
fe14fcc3 1449# ifdef I_SYS_DIR
79a0689e
LW		 1450# ifdef hp9000s500
1451# include <ndir.h> /* may be wrong in the future */
1452# else
1453# include <sys/dir.h>
1454# endif
663a0e37
LW		 1455# endif
1456# endif
4633a7c4 1457#endif
a687059c 1458
12ae5dfc
JH		 1459#ifdef PERL_MICRO
1460# ifndef DIR
1461# define DIR void
1462# endif
1463#endif
1464
352d5a3a
LW		 1465#ifdef FPUTS_BOTCH
1466/* work around botch in SunOS 4.0.1 and 4.0.2 */
1467# ifndef fputs
79072805 1468# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1469# endif
1470#endif
1471
c623bd54
LW		 1472/*
1473 * The following gobbledygook brought to you on behalf of __STDC__.
1474 * (I could just use #ifndef __STDC__, but this is more bulletproof
1475 * in the face of half-implementations.)
1476 */
1477
7114a2d2 1478#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1479#include <sys/mode.h>
1480#endif
1481
c623bd54
LW		 1482#ifndef S_IFMT
1483# ifdef _S_IFMT
1484# define S_IFMT _S_IFMT
1485# else
1486# define S_IFMT 0170000
1487# endif
1488#endif
1489
1490#ifndef S_ISDIR
1491# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1492#endif
1493
1494#ifndef S_ISCHR
1495# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1496#endif
1497
1498#ifndef S_ISBLK
fe14fcc3
LW		 1499# ifdef S_IFBLK
1500# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1501# else
1502# define S_ISBLK(m) (0)
1503# endif
c623bd54
LW		 1504#endif
1505
1506#ifndef S_ISREG
1507# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1508#endif
1509
1510#ifndef S_ISFIFO
fe14fcc3
LW		 1511# ifdef S_IFIFO
1512# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1513# else
1514# define S_ISFIFO(m) (0)
1515# endif
c623bd54
LW		 1516#endif
1517
1518#ifndef S_ISLNK
1519# ifdef _S_ISLNK
1520# define S_ISLNK(m) _S_ISLNK(m)
1521# else
1522# ifdef _S_IFLNK
1523# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1524# else
1525# ifdef S_IFLNK
1526# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1527# else
1528# define S_ISLNK(m) (0)
1529# endif
1530# endif
1531# endif
1532#endif
1533
1534#ifndef S_ISSOCK
1535# ifdef _S_ISSOCK
1536# define S_ISSOCK(m) _S_ISSOCK(m)
1537# else
1538# ifdef _S_IFSOCK
1539# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1540# else
1541# ifdef S_IFSOCK
1542# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1543# else
1544# define S_ISSOCK(m) (0)
1545# endif
1546# endif
1547# endif
1548#endif
1549
1550#ifndef S_IRUSR
1551# ifdef S_IREAD
1552# define S_IRUSR S_IREAD
1553# define S_IWUSR S_IWRITE
1554# define S_IXUSR S_IEXEC
1555# else
1556# define S_IRUSR 0400
1557# define S_IWUSR 0200
1558# define S_IXUSR 0100
1559# endif
fac7cdfc
JS		 1560#endif
1561
1562#ifndef S_IRGRP
1563# ifdef S_IRUSR
1564# define S_IRGRP (S_IRUSR>>3)
1565# define S_IWGRP (S_IWUSR>>3)
1566# define S_IXGRP (S_IXUSR>>3)
1567# else
1568# define S_IRGRP 0040
1569# define S_IWGRP 0020
1570# define S_IXGRP 0010
1571# endif
1572#endif
1573
1574#ifndef S_IROTH
1575# ifdef S_IRUSR
1576# define S_IROTH (S_IRUSR>>6)
1577# define S_IWOTH (S_IWUSR>>6)
1578# define S_IXOTH (S_IXUSR>>6)
1579# else
1580# define S_IROTH 0040
1581# define S_IWOTH 0020
1582# define S_IXOTH 0010
1583# endif
c623bd54
LW		 1584#endif
1585
1586#ifndef S_ISUID
1587# define S_ISUID 04000
1588#endif
1589
1590#ifndef S_ISGID
1591# define S_ISGID 02000
1592#endif
1593
ca6e1c26
JH		 1594#ifndef S_IRWXU
1595# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1596#endif
ca6e1c26
JH		 1597
1598#ifndef S_IRWXG
1599# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1600#endif
ca6e1c26
JH		 1601
1602#ifndef S_IRWXO
1603# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1604#endif
ca6e1c26 1605
df00ff3b 1606/* BeOS 5.0 and Haiku R1 seem to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1607 * which would get included through <sys/file.h >, but that is 3000
1608 * lines in the future. --jhi */
1609
df00ff3b 1610#if !defined(S_IREAD) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1611# define S_IREAD S_IRUSR
1612#endif
1613
df00ff3b 1614#if !defined(S_IWRITE) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1615# define S_IWRITE S_IWUSR
1616#endif
1617
1618#ifndef S_IEXEC
1619# define S_IEXEC S_IXUSR
1620#endif
1621
79072805
LW		 1622#ifdef ff_next
1623# undef ff_next
352d5a3a
LW		 1624#endif
1625
a0d0e21e 1626#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1627# define SLOPPYDIVIDE
1628#endif
1629
748a9306
LW		 1630#ifdef UV
1631#undef UV
1632#endif
1633
c89df6bf
JH		 1634#ifdef SPRINTF_E_BUG
1635# define sprintf UTS_sprintf_wrap
1636#endif
1637
ce582cee
NC		 1638/* For the times when you want the return value of sprintf, and you want it
1639 to be the length. Can't have a thread variable passed in, because C89 has
1640 no varargs macros.
1641*/
1642#ifdef SPRINTF_RETURNS_STRLEN
1643# define my_sprintf sprintf
1644#else
1645# define my_sprintf Perl_my_sprintf
1646#endif
1647
5b692037
JH		 1648/*
1649 * If we have v?snprintf() and the C99 variadic macros, we can just
1650 * use just the v?snprintf(). It is nice to try to trap the buffer
1651 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1652 * gcc statement expressions, then use the function wrappers which try
1653 * to trap the overflow. If we can use the gcc statement expressions,
1654 * we can try that even with the version that uses the C99 variadic
1655 * macros.
5b692037
JH		 1656 */
1657
1208b3dd
JH		 1658/* Note that we do not check against snprintf()/vsnprintf() returning
1659 * negative values because that is non-standard behaviour and we use
1660 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1661 * that should be true only if the snprintf()/vsnprintf() are true
1662 * to the standard. */
1663
dfeee9b1 1664#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1665# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1666# 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 1667# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1668# else
1669# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1670# endif
1671#else
1672# define my_snprintf Perl_my_snprintf
1208b3dd 1673# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1674#endif
1675
dfeee9b1 1676#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1677# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1678# 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 1679# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1680# else
1681# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1682# endif
1683#else
1684# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1685# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1686#endif
d9fad198 1687
a6cc4119
SP		 1688#ifdef HAS_STRLCAT
1689# define my_strlcat strlcat
1690#else
1691# define my_strlcat Perl_my_strlcat
1692#endif
1693
1694#ifdef HAS_STRLCPY
1695# define my_strlcpy strlcpy
1696#else
1697# define my_strlcpy Perl_my_strlcpy
1698#endif
1699
c495e728
JH		 1700/* Configure gets this right but the UTS compiler gets it wrong.
1701 -- Hal Morris <hom00@utsglobal.com> */
1702#ifdef UTS
1703# undef UVTYPE
1704# define UVTYPE unsigned
1705#endif
1706
05f13f53 1707/*
27d4fb96 1708 The IV type is supposed to be long enough to hold any integral
1709 value or a pointer.
1710 --Andy Dougherty August 1996
1711*/
1712
a22e52b9
JH		 1713typedef IVTYPE IV;
1714typedef UVTYPE UV;
8175356b 1715
10cc9d2a 1716#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1717# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1718# define IV_MAX INT64_MAX
1719# define IV_MIN INT64_MIN
1720# define UV_MAX UINT64_MAX
cae7ae48
JH		 1721# ifndef UINT64_MIN
1722# define UINT64_MIN 0
1723# endif
5ff3f7a4
GS		 1724# define UV_MIN UINT64_MIN
1725# else
1726# define IV_MAX PERL_QUAD_MAX
1727# define IV_MIN PERL_QUAD_MIN
1728# define UV_MAX PERL_UQUAD_MAX
1729# define UV_MIN PERL_UQUAD_MIN
1730# endif
cf2093f6
JH		 1731# define IV_IS_QUAD
1732# define UV_IS_QUAD
79072805 1733#else
8175356b 1734# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1735# define IV_MAX INT32_MAX
1736# define IV_MIN INT32_MIN
716026f9
DL		 1737# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1738# define UV_MAX UINT32_MAX
1739# else
1740# define UV_MAX 4294967295U
1741# endif
cae7ae48
JH		 1742# ifndef UINT32_MIN
1743# define UINT32_MIN 0
1744# endif
5ff3f7a4
GS		 1745# define UV_MIN UINT32_MIN
1746# else
1747# define IV_MAX PERL_LONG_MAX
1748# define IV_MIN PERL_LONG_MIN
1749# define UV_MAX PERL_ULONG_MAX
1750# define UV_MIN PERL_ULONG_MIN
1751# endif
8175356b 1752# if IVSIZE == 8
cf2093f6
JH		 1753# define IV_IS_QUAD
1754# define UV_IS_QUAD
de1c2614
JH		 1755# ifndef HAS_QUAD
1756# define HAS_QUAD
1757# endif
cf2093f6
JH		 1758# else
1759# undef IV_IS_QUAD
1760# undef UV_IS_QUAD
de1c2614 1761# undef HAS_QUAD
cf2093f6 1762# endif
79072805 1763#endif
d7d93a81 1764
1109a392
MHM		 1765#ifndef HAS_QUAD
1766# undef PERL_NEED_MY_HTOLE64
1767# undef PERL_NEED_MY_LETOH64
1768# undef PERL_NEED_MY_HTOBE64
1769# undef PERL_NEED_MY_BETOH64
1770#endif
1771
6cde8aec 1772#if defined(uts) || defined(UTS)
11afe549
HM		 1773# undef UV_MAX
1774# define UV_MAX (4294967295u)
20601011
JH		 1775#endif
1776
cae7ae48 1777#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1778#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1779
28e5dec8 1780#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1781#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1782#endif
1783
d460ef45 1784/*
26bb67e2
JH		 1785 * The macros INT2PTR and NUM2PTR are (despite their names)
1786 * bi-directional: they will convert int/float to or from pointers.
1787 * However the conversion to int/float are named explicitly:
1788 * PTR2IV, PTR2UV, PTR2NV.
1789 *
1790 * For int conversions we do not need two casts if pointers are
1791 * the same size as IV and UV. Otherwise we need an explicit
1792 * cast (PTRV) to avoid compiler warnings.
1793 */
56431972
RB		 1794#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1795# define PTRV UV
1796# define INT2PTR(any,d) (any)(d)
1797#else
d460ef45 1798# if PTRSIZE == LONGSIZE
56431972 1799# define PTRV unsigned long
e91e3b10 1800# define PTR2ul(p) (unsigned long)(p)
42718184 1801# else
56431972 1802# define PTRV unsigned
42718184 1803# endif
e91e3b10
RB		 1804#endif
1805
1806#ifndef INT2PTR
56431972 1807# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1808#endif
e91e3b10
RB		 1809
1810#ifndef PTR2ul
1811# define PTR2ul(p) INT2PTR(unsigned long,p)
1812#endif
1813
56431972
RB		 1814#define NUM2PTR(any,d) (any)(PTRV)(d)
1815#define PTR2IV(p) INT2PTR(IV,p)
1816#define PTR2UV(p) INT2PTR(UV,p)
1817#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1818#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1819
8141890a
JH		 1820/* According to strict ANSI C89 one cannot freely cast between
1821 * data pointers and function (code) pointers. There are at least
1822 * two ways around this. One (used below) is to do two casts,
1823 * first the other pointer to an (unsigned) integer, and then
1824 * the integer to the other pointer. The other way would be
1825 * to use unions to "overlay" the pointers. For an example of
1826 * the latter technique, see union dirpu in struct xpvio in sv.h.
1827 * The only feasible use is probably temporarily storing
1828 * function pointers in a data pointer (such as a void pointer). */
1829
e91e3b10
RB		 1830#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1831#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1832
65202027 1833#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1834# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1835# define LONG_DOUBLE_EQUALS_DOUBLE
1836# endif
68d4903c 1837# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1838# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1839# endif
1840#endif
1841
2d4389e4
JH		 1842#ifdef OVR_DBL_DIG
1843/* Use an overridden DBL_DIG */
1844# ifdef DBL_DIG
1845# undef DBL_DIG
1846# endif
1847# define DBL_DIG OVR_DBL_DIG
1848#else
1849/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1850 default value for printing floating point numbers in Gconvert
1851 (see config.h). (It also has other uses, such as figuring out if
1852 a given precision of printing can be done with a double instead of
1853 a long double - Allen).
2d4389e4
JH		 1854*/
1855#ifdef I_LIMITS
1856#include <limits.h>
1857#endif
1858#ifdef I_FLOAT
1859#include <float.h>
1860#endif
1861#ifndef HAS_DBL_DIG
1862#define DBL_DIG 15 /* A guess that works lots of places */
1863#endif
1864#endif
1865
1866#ifdef OVR_LDBL_DIG
1867/* Use an overridden LDBL_DIG */
1868# ifdef LDBL_DIG
1869# undef LDBL_DIG
1870# endif
1871# define LDBL_DIG OVR_LDBL_DIG
1872#else
1873/* The following is all to get LDBL_DIG, in order to pick a nice
1874 default value for printing floating point numbers in Gconvert.
1875 (see config.h)
1876*/
68d4903c
JH		 1877# ifdef I_LIMITS
1878# include <limits.h>
1879# endif
1880# ifdef I_FLOAT
1881# include <float.h>
1882# endif
1883# ifndef HAS_LDBL_DIG
1884# if LONG_DOUBLESIZE == 10
1885# define LDBL_DIG 18 /* assume IEEE */
1886# else
1887# if LONG_DOUBLESIZE == 12
1888# define LDBL_DIG 18 /* gcc? */
1889# else
1890# if LONG_DOUBLESIZE == 16
1891# define LDBL_DIG 33 /* assume IEEE */
1892# else
1893# if LONG_DOUBLESIZE == DOUBLESIZE
1894# define LDBL_DIG DBL_DIG /* bummer */
1895# endif
1896# endif
1897# endif
1898# endif
1899# endif
2d4389e4
JH		 1900#endif
1901
20f6aaab
AS		 1902/*
1903 * This is for making sure we have a good DBL_MAX value, if possible,
1904 * either for usage as NV_MAX or for usage in figuring out if we can
1905 * fit a given long double into a double, if bug-fixing makes it
1906 * necessary to do so. - Allen <allens@cpan.org>
1907 */
1908
205f51d8
AS		 1909#ifdef I_LIMITS
1910# include <limits.h>
20f6aaab
AS		 1911#endif
1912
205f51d8
AS		 1913#ifdef I_VALUES
1914# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1915# include <values.h>
1916# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1917# define DBL_MAX MAXDOUBLE
1918# endif
1919# if defined(MINDOUBLE) && !defined(DBL_MIN)
1920# define DBL_MIN MINDOUBLE
1921# endif
1922# endif
1923#endif /* defined(I_VALUES) */
1924
a22e52b9 1925typedef NVTYPE NV;
8175356b 1926
792d8dab
JH		 1927#ifdef I_IEEEFP
1928# include <ieeefp.h>
1929#endif
923fc586 1930
65202027 1931#ifdef USE_LONG_DOUBLE
923fc586
JH		 1932# ifdef I_SUNMATH
1933# include <sunmath.h>
1934# endif
2d4389e4 1935# define NV_DIG LDBL_DIG
d6c14000
JH		 1936# ifdef LDBL_MANT_DIG
1937# define NV_MANT_DIG LDBL_MANT_DIG
1938# endif
06fc1729
JH		 1939# ifdef LDBL_MIN
1940# define NV_MIN LDBL_MIN
1941# endif
1942# ifdef LDBL_MAX
1943# define NV_MAX LDBL_MAX
1944# endif
1945# ifdef LDBL_MIN_10_EXP
1946# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1947# endif
1948# ifdef LDBL_MAX_10_EXP
1949# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1950# endif
1951# ifdef LDBL_EPSILON
1952# define NV_EPSILON LDBL_EPSILON
1953# endif
f4a14a62
JH		 1954# ifdef LDBL_MAX
1955# define NV_MAX LDBL_MAX
20f6aaab 1956/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1957# else
1958# ifdef HUGE_VALL
1959# define NV_MAX HUGE_VALL
1960# else
1961# ifdef HUGE_VAL
1962# define NV_MAX ((NV)HUGE_VAL)
1963# endif
1964# endif
1965# endif
68d4903c 1966# ifdef HAS_SQRTL
68d4903c
JH		 1967# define Perl_cos cosl
1968# define Perl_sin sinl
1969# define Perl_sqrt sqrtl
1970# define Perl_exp expl
1971# define Perl_log logl
1972# define Perl_atan2 atan2l
1973# define Perl_pow powl
1974# define Perl_floor floorl
1bbae031 1975# define Perl_ceil ceill
68d4903c
JH		 1976# define Perl_fmod fmodl
1977# endif
a3540c92
JH		 1978/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1979# ifdef HAS_MODFL
1980# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1981/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1982 prototype in <math.h> */
1983# ifndef HAS_MODFL_PROTO
a221a8a5 1984EXTERN_C long double modfl(long double, long double *);
51997bc3 1985# endif
03476e8e
JH		 1986# else
1987# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1988 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1989# define Perl_modf(x,y) Perl_my_modfl(x,y)
1990# endif
a3540c92
JH		 1991# endif
1992# ifdef HAS_FREXPL
dff3e0b8 1993# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1994# else
1995# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1996 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1997# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1998# endif
a3540c92 1999# endif
38dbb4c5 2000# ifndef Perl_isnan
758a5d79
JH		 2001# ifdef HAS_ISNANL
2002# define Perl_isnan(x) isnanl(x)
2003# endif
2004# endif
2005# ifndef Perl_isinf
2006# ifdef HAS_FINITEL
2007# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 2008# endif
2009# endif
65202027 2010#else
2d4389e4 2011# define NV_DIG DBL_DIG
d6c14000
JH		 2012# ifdef DBL_MANT_DIG
2013# define NV_MANT_DIG DBL_MANT_DIG
2014# endif
06fc1729
JH		 2015# ifdef DBL_MIN
2016# define NV_MIN DBL_MIN
2017# endif
2018# ifdef DBL_MAX
2019# define NV_MAX DBL_MAX
2020# endif
2021# ifdef DBL_MIN_10_EXP
2022# define NV_MIN_10_EXP DBL_MIN_10_EXP
2023# endif
2024# ifdef DBL_MAX_10_EXP
2025# define NV_MAX_10_EXP DBL_MAX_10_EXP
2026# endif
2027# ifdef DBL_EPSILON
2028# define NV_EPSILON DBL_EPSILON
2029# endif
205f51d8 2030# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 2031# define NV_MAX DBL_MAX
2032# define NV_MIN DBL_MIN
2033# else
2034# ifdef HUGE_VAL
2035# define NV_MAX HUGE_VAL
2036# endif
2037# endif
65202027
DS		 2038# define Perl_cos cos
2039# define Perl_sin sin
2040# define Perl_sqrt sqrt
2041# define Perl_exp exp
2042# define Perl_log log
2043# define Perl_atan2 atan2
2044# define Perl_pow pow
2045# define Perl_floor floor
1bbae031 2046# define Perl_ceil ceil
65202027 2047# define Perl_fmod fmod
a3540c92 2048# define Perl_modf(x,y) modf(x,y)
dff3e0b8 2049# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 2050#endif
2051
2052/* rumor has it that Win32 has _fpclass() */
2053
205f51d8
AS		 2054/* SGI has fpclassl... but not with the same result values,
2055 * and it's via a typedef (not via #define), so will need to redo Configure
2056 * to use. Not worth the trouble, IMO, at least until the below is used
2057 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
2058 * with me for the SGI manpages, SGI testing, etcetera, if you want to
2059 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
2060
758a5d79
JH		 2061#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2062# ifdef I_IEEFP
2063# include <ieeefp.h>
2064# endif
2065# ifdef I_FP
2066# include <fp.h>
2067# endif
2068# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2069# define Perl_fp_class() fpclassl(x)
2070# else
2071# define Perl_fp_class() fpclass(x)
2072# endif
2073# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2074# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2075# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2076# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2077# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2078# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2079# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2080# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2081# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2082# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2083# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2084# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2085# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2086# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2087# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2088#endif
2089
7114a2d2 2090#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2091# include <math.h>
2092# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2093# include <fp_class.h>
2094# endif
2095# define Perl_fp_class(x) fp_class(x)
2096# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2097# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2098# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2099# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2100# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2101# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2102# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2103# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2104# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2105# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2106# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2107# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2108# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2109# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2110# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2111#endif
2112
2113#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2114# include <math.h>
2115# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2116# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2117# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2118# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2119# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2120# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2121#endif
2122
2123#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2124# include <math.h>
2125# ifndef _cplusplus
2126# define Perl_fp_class(x) class(x)
2127# else
2128# define Perl_fp_class(x) _class(x)
2129# endif
2130# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2131# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2132# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2133# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2134# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2135# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2136# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2137# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2138# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2139# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2140# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2141# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2142# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2143# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2144# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2145#endif
2146
2147/* rumor has it that Win32 has _isnan() */
2148
2149#ifndef Perl_isnan
a3540c92 2150# ifdef HAS_ISNAN
758a5d79
JH		 2151# define Perl_isnan(x) isnan((NV)x)
2152# else
2153# ifdef Perl_fp_class_nan
2154# define Perl_isnan(x) Perl_fp_class_nan(x)
2155# else
2156# ifdef HAS_UNORDERED
2157# define Perl_isnan(x) unordered((x), 0.0)
2158# else
2159# define Perl_isnan(x) ((x)!=(x))
2160# endif
2161# endif
2162# endif
2163#endif
2164
ca6c63e1
JH		 2165#ifdef UNDER_CE
2166int isnan(double d);
2167#endif
2168
758a5d79
JH		 2169#ifndef Perl_isinf
2170# ifdef HAS_ISINF
2171# define Perl_isinf(x) isinf((NV)x)
a3540c92 2172# else
758a5d79
JH		 2173# ifdef Perl_fp_class_inf
2174# define Perl_isinf(x) Perl_fp_class_inf(x)
2175# else
2176# define Perl_isinf(x) ((x)==NV_INF)
2177# endif
2178# endif
2179#endif
2180
2181#ifndef Perl_isfinite
2182# ifdef HAS_FINITE
2183# define Perl_isfinite(x) finite((NV)x)
2184# else
2185# ifdef HAS_ISFINITE
2186# define Perl_isfinite(x) isfinite(x)
2187# else
2188# ifdef Perl_fp_class_finite
2189# define Perl_isfinite(x) Perl_fp_class_finite(x)
2190# else
2191# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2192# endif
2193# endif
a3540c92 2194# endif
65202027
DS		 2195#endif
2196
a36244b7
JH		 2197/* The default is to use Perl's own atof() implementation (in numeric.c).
2198 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2199 * it is however best to use the native implementation of atof.
2200 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2201 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2202 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2203 * you may need to be using a different function than atof! */
a36244b7
JH		 2204
2205#ifndef USE_PERL_ATOF
2206# ifndef _UNICOS
2207# define USE_PERL_ATOF
2208# endif
2209#else
2210# if USE_PERL_ATOF == 0
2211# undef USE_PERL_ATOF
2212# endif
2213#endif
2214
2215#ifdef USE_PERL_ATOF
2216# define Perl_atof(s) Perl_my_atof(s)
2217# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2218#else
2219# define Perl_atof(s) (NV)atof(s)
2220# define Perl_atof2(s, n) ((n) = atof(s))
2221#endif
cf2093f6 2222
d460ef45 2223/* Previously these definitions used hardcoded figures.
760ac839
LW		 2224 * It is hoped these formula are more portable, although
2225 * no data one way or another is presently known to me.
2226 * The "PERL_" names are used because these calculated constants
2227 * do not meet the ANSI requirements for LONG_MAX, etc., which
2228 * need to be constants acceptable to #if - kja
2229 * define PERL_LONG_MAX 2147483647L
2230 * define PERL_LONG_MIN (-LONG_MAX - 1)
2231 * define PERL ULONG_MAX 4294967295L
2232 */
2233
2234#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2235# include <limits.h>
760ac839 2236#endif
205f51d8 2237/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2238 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2239
99abf803 2240/*
2241 * Try to figure out max and min values for the integral types. THE CORRECT
2242 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2243 * following hacks are used if neither limits.h or values.h provide them:
2244 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2245 * for types < int: (unsigned TYPE)~(unsigned)0
2246 * The argument to ~ must be unsigned so that later signed->unsigned
2247 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2248 * and it must not be smaller than int because ~ does integral promotion.
2249 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2250 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2251 * The latter is a hack which happens to work on some machines but
2252 * does *not* catch any random system, or things like integer types
2253 * with NaN if that is possible.
2254 *
2255 * All of the types are explicitly cast to prevent accidental loss of
2256 * numeric range, and in the hope that they will be less likely to confuse
2257 * over-eager optimizers.
2258 *
2259 */
27d4fb96 2260
99abf803 2261#define PERL_UCHAR_MIN ((unsigned char)0)
2262
2263#ifdef UCHAR_MAX
2264# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2265#else
99abf803 2266# ifdef MAXUCHAR
2267# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2268# else
99abf803 2269# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2270# endif
2271#endif
d460ef45 2272
99abf803 2273/*
2274 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2275 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2276 * depending on local options. Until Configure detects this (or at least
2277 * detects whether the "signed" keyword is available) the CHAR ranges
2278 * will not be included. UCHAR functions normally.
2279 * - kja
2280 */
27d4fb96 2281
99abf803 2282#define PERL_USHORT_MIN ((unsigned short)0)
2283
2284#ifdef USHORT_MAX
2285# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2286#else
99abf803 2287# ifdef MAXUSHORT
2288# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2289# else
ef2f54b0
CB		 2290# ifdef USHRT_MAX
2291# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2292# else
2293# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2294# endif
27d4fb96 2295# endif
2296#endif
2297
27d4fb96 2298#ifdef SHORT_MAX
99abf803 2299# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2300#else
2301# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2302# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2303# else
ef2f54b0
CB		 2304# ifdef SHRT_MAX
2305# define PERL_SHORT_MAX ((short)SHRT_MAX)
2306# else
2307# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2308# endif
27d4fb96 2309# endif
2310#endif
2311
2312#ifdef SHORT_MIN
99abf803 2313# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2314#else
2315# ifdef MINSHORT
99abf803 2316# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2317# else
ef2f54b0
CB		 2318# ifdef SHRT_MIN
2319# define PERL_SHORT_MIN ((short)SHRT_MIN)
2320# else
2321# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2322# endif
27d4fb96 2323# endif
2324#endif
2325
99abf803 2326#ifdef UINT_MAX
2327# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2328#else
99abf803 2329# ifdef MAXUINT
2330# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2331# else
99abf803 2332# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2333# endif
2334#endif
2335
99abf803 2336#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2337
2338#ifdef INT_MAX
99abf803 2339# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2340#else
2341# ifdef MAXINT /* Often used in <values.h> */
99abf803 2342# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2343# else
99abf803 2344# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2345# endif
2346#endif
2347
2348#ifdef INT_MIN
99abf803 2349# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2350#else
2351# ifdef MININT
99abf803 2352# define PERL_INT_MIN ((int)MININT)
27d4fb96 2353# else
2354# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2355# endif
2356#endif
2357
99abf803 2358#ifdef ULONG_MAX
2359# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2360#else
99abf803 2361# ifdef MAXULONG
2362# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2363# else
99abf803 2364# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2365# endif
2366#endif
2367
99abf803 2368#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2369
760ac839 2370#ifdef LONG_MAX
99abf803 2371# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2372#else
2373# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2374# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2375# else
99abf803 2376# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2377# endif
2378#endif
2379
2380#ifdef LONG_MIN
99abf803 2381# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2382#else
2383# ifdef MINLONG
99abf803 2384# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2385# else
27d4fb96 2386# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2387# endif
2388#endif
2389
d7d93a81 2390#ifdef UV_IS_QUAD
99abf803 2391
99abf803 2392# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2393# define PERL_UQUAD_MIN ((UV)0)
99abf803 2394# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2395# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2396
79072805
LW		 2397#endif
2398
830247a4 2399struct RExC_state_t;
8e11feef 2400struct _reg_trie_data;
880b20b6 2401
ee0007ab 2402typedef MEM_SIZE STRLEN;
450a55e4 2403
598921a7
NC		 2404#ifdef PERL_MAD
2405typedef struct token TOKEN;
2406typedef struct madprop MADPROP;
2407typedef struct nexttoken NEXTTOKE;
2408#endif
79072805
LW		 2409typedef struct op OP;
2410typedef struct cop COP;
2411typedef struct unop UNOP;
2412typedef struct binop BINOP;
2413typedef struct listop LISTOP;
2414typedef struct logop LOGOP;
79072805
LW		 2415typedef struct pmop PMOP;
2416typedef struct svop SVOP;
7934575e 2417typedef struct padop PADOP;
79072805 2418typedef struct pvop PVOP;
79072805
LW		 2419typedef struct loop LOOP;
2420
52db365a 2421typedef struct block_hooks BHK;
1830b3d9 2422typedef struct custom_op XOP;
52db365a 2423
cd1541b2
NC		 2424typedef struct interpreter PerlInterpreter;
2425
d2b3f365
SS		 2426/* Amdahl's <ksync.h> has struct sv */
2427/* SGI's <sys/sema.h> has struct sv */
2428#if defined(UTS) || defined(__sgi)
2429# define STRUCT_SV perl_sv
b8d3c5db
JH		 2430#else
2431# define STRUCT_SV sv
2432#endif
2433typedef struct STRUCT_SV SV;
79072805
LW		 2434typedef struct av AV;
2435typedef struct hv HV;
2436typedef struct cv CV;
d2f13c59 2437typedef struct p5rx REGEXP;
79072805 2438typedef struct gp GP;
0c30d9ec 2439typedef struct gv GV;
8990e307 2440typedef struct io IO;
c09156bb 2441typedef struct context PERL_CONTEXT;
79072805
LW		 2442typedef struct block BLOCK;
2443
2444typedef struct magic MAGIC;
2445typedef struct xpv XPV;
2446typedef struct xpviv XPVIV;
ff68c719 2447typedef struct xpvuv XPVUV;
79072805
LW		 2448typedef struct xpvnv XPVNV;
2449typedef struct xpvmg XPVMG;
2450typedef struct xpvlv XPVLV;
2451typedef struct xpvav XPVAV;
2452typedef struct xpvhv XPVHV;
2453typedef struct xpvgv XPVGV;
2454typedef struct xpvcv XPVCV;
2455typedef struct xpvbm XPVBM;
2456typedef struct xpvfm XPVFM;
8990e307 2457typedef struct xpvio XPVIO;
79072805
LW		 2458typedef struct mgvtbl MGVTBL;
2459typedef union any ANY;
5f7fde29
GS		 2460typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2461typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2462typedef struct clone_params CLONE_PARAMS;
2463
378cc40b 2464#include "handy.h"
a0d0e21e 2465
6b8eaf93 2466#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2467# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2468# define USE_64_BIT_RAWIO /* implicit */
2469# endif
4564133c
JH		 2470#endif
2471
6b8eaf93
JH		 2472/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2473 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2474 * however, because operating systems like to do that themself. */
2475#ifndef FSEEKSIZE
2476# ifdef HAS_FSEEKO
2477# define FSEEKSIZE LSEEKSIZE
2478# else
2479# define FSEEKSIZE LONGSIZE
d460ef45 2480# endif
6b8eaf93
JH		 2481#endif
2482
2483#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2484# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2485# define USE_64_BIT_STDIO /* implicit */
2486# endif
2487#endif
4564133c 2488
09458382 2489#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2490# ifdef HAS_OFF64_T
2491# undef Off_t
2492# define Off_t off64_t
2493# undef LSEEKSIZE
2494# define LSEEKSIZE 8
5ff3f7a4 2495# endif
d9b3e12d
JH		 2496/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2497 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2498 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2499# if defined(USE_OPEN64)
2500# define open open64
5ff3f7a4 2501# endif
d9b3e12d
JH		 2502# if defined(USE_LSEEK64)
2503# define lseek lseek64
6b8eaf93
JH		 2504# else
2505# if defined(USE_LLSEEK)
2506# define lseek llseek
2507# endif
d9b3e12d
JH		 2508# endif
2509# if defined(USE_STAT64)
2510# define stat stat64
2511# endif
2512# if defined(USE_FSTAT64)
2513# define fstat fstat64
2514# endif
2515# if defined(USE_LSTAT64)
2516# define lstat lstat64
2517# endif
2518# if defined(USE_FLOCK64)
2519# define flock flock64
2520# endif
2521# if defined(USE_LOCKF64)
2522# define lockf lockf64
2523# endif
2524# if defined(USE_FCNTL64)
2525# define fcntl fcntl64
2526# endif
2527# if defined(USE_TRUNCATE64)
2528# define truncate truncate64
2529# endif
2530# if defined(USE_FTRUNCATE64)
2531# define ftruncate ftruncate64
2532# endif
2533#endif
2534
2535#ifdef USE_64_BIT_STDIO
2536# ifdef HAS_FPOS64_T
2537# undef Fpos_t
2538# define Fpos_t fpos64_t
2539# endif
2540/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2541 * will trigger defines like the ones below. Some 64-bit environments,
2542 * however, do not. */
2543# if defined(USE_FOPEN64)
2544# define fopen fopen64
2545# endif
2546# if defined(USE_FSEEK64)
6b8eaf93 2547# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2548# endif
2549# if defined(USE_FTELL64)
6b8eaf93 2550# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2551# endif
2552# if defined(USE_FSETPOS64)
2553# define fsetpos fsetpos64
2554# endif
2555# if defined(USE_FGETPOS64)
2556# define fgetpos fgetpos64
2557# endif
2558# if defined(USE_TMPFILE64)
2559# define tmpfile tmpfile64
2560# endif
2561# if defined(USE_FREOPEN64)
2562# define freopen freopen64
5ff3f7a4
GS		 2563# endif
2564#endif
2565
e37778c2 2566#if defined(OS2)
2c2d71f5
JH		 2567# include "iperlsys.h"
2568#endif
2569
6f71a643 2570#if defined(__OPEN_VM)
19848b3f
JH		 2571# include "vmesa/vmesaish.h"
2572# define ISHISH "vmesa"
6f71a643
JH		 2573#endif
2574
748a9306 2575#ifdef DOSISH
19848b3f
JH		 2576# if defined(OS2)
2577# include "os2ish.h"
2578# else
2579# include "dosish.h"
2580# endif
2581# define ISHISH "dos"
2582#endif
2583
2584#if defined(VMS)
748a9306 2585# include "vmsish.h"
96e176bf 2586# include "embed.h"
eb8433b7
NC		 2587# ifndef PERL_MAD
2588# undef op_getmad
b3f24c00 2589# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2590# endif
19848b3f
JH		 2591# define ISHISH "vms"
2592#endif
2593
2594#if defined(PLAN9)
2595# include "./plan9/plan9ish.h"
2596# define ISHISH "plan9"
2597#endif
2598
2599#if defined(MPE)
2600# include "mpeix/mpeixish.h"
2601# define ISHISH "mpeix"
2602#endif
2603
2604#if defined(__VOS__)
196918b0
PG		 2605# ifdef __GNUC__
2606# include "./vos/vosish.h"
2607# else
2608# include "vos/vosish.h"
2609# endif
19848b3f
JH		 2610# define ISHISH "vos"
2611#endif
2612
2613#if defined(EPOC)
2614# include "epocish.h"
2615# define ISHISH "epoc"
2616#endif
2617
9969cdde 2618#ifdef __SYMBIAN32__
27da23d5
JH		 2619# include "symbian/symbianish.h"
2620# include "embed.h"
eb8433b7
NC		 2621# ifndef PERL_MAD
2622# undef op_getmad
b3f24c00 2623# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2624# endif
27da23d5
JH		 2625# define ISHISH "symbian"
2626#endif
2627
19848b3f 2628
df00ff3b
IW		 2629#if defined(__HAIKU__)
2630# include "haiku/haikuish.h"
2631# define ISHISH "haiku"
2632#elif defined(__BEOS__)
efca5cc6
JH		 2633# include "beos/beosish.h"
2634# define ISHISH "beos"
2635#endif
2636
19848b3f
JH		 2637#ifndef ISHISH
2638# include "unixish.h"
2639# define ISHISH "unix"
13b6e58c
JH		 2640#endif
2641
2946a158
JH		 2642/* NSIG logic from Configure --> */
2643/* Strange style to avoid deeply-nested #if/#else/#endif */
2644#ifndef NSIG
2645# ifdef _NSIG
2646# define NSIG (_NSIG)
2647# endif
2648#endif
2649
2650#ifndef NSIG
2651# ifdef SIGMAX
2652# define NSIG (SIGMAX+1)
2653# endif
2654#endif
2655
2656#ifndef NSIG
2657# ifdef SIG_MAX
2658# define NSIG (SIG_MAX+1)
2659# endif
2660#endif
2661
2662#ifndef NSIG
2663# ifdef _SIG_MAX
2664# define NSIG (_SIG_MAX+1)
2665# endif
2666#endif
2667
2668#ifndef NSIG
2669# ifdef MAXSIG
2670# define NSIG (MAXSIG+1)
2671# endif
2672#endif
2673
2674#ifndef NSIG
2675# ifdef MAX_SIG
2676# define NSIG (MAX_SIG+1)
2677# endif
2678#endif
2679
2680#ifndef NSIG
2681# ifdef SIGARRAYSIZE
2682# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2683# endif
2684#endif
2685
2686#ifndef NSIG
2687# ifdef _sys_nsig
2688# define NSIG (_sys_nsig) /* Solaris 2.5 */
2689# endif
2690#endif
2691
2692/* Default to some arbitrary number that's big enough to get most
2693 of the common signals.
2694*/
2695#ifndef NSIG
2696# define NSIG 50
2697#endif
2698/* <-- NSIG logic from Configure */
2699
13b6e58c
JH		 2700#ifndef NO_ENVIRON_ARRAY
2701# define USE_ENVIRON_ARRAY
2702#endif
32f822de 2703
c77b533b
JH		 2704/*
2705 * initialise to avoid floating-point exceptions from overflow, etc
2706 */
2707#ifndef PERL_FPU_INIT
2708# ifdef HAS_FPSETMASK
2709# if HAS_FLOATINGPOINT_H
2710# include <floatingpoint.h>
2711# endif
ad3a8c67
NC		 2712/* Some operating systems have this as a macro, which in turn expands to a comma
2713 expression, and the last sub-expression is something that gets calculated,
2714 and then they have the gall to warn that a value computed is not used. Hence
2715 cast to void. */
2716# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2717# else
2f42fcb0 2718# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2719# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2720# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2721# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2722# else
2723# define PERL_FPU_INIT
2f42fcb0 2724
7014c407 2725# endif
c77b533b
JH		 2726# endif
2727#endif
b35112e7
CS		 2728#ifndef PERL_FPU_PRE_EXEC
2729# define PERL_FPU_PRE_EXEC {
2730# define PERL_FPU_POST_EXEC }
2731#endif
c77b533b 2732
cbec8ebe
DM		 2733#ifndef PERL_SYS_INIT3_BODY
2734# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2735#endif
2736
eb533572
DM		 2737/*
2738=for apidoc Am|void|PERL_SYS_INIT|int argc|char** argv
2739Provides system-specific tune up of the C runtime environment necessary to
2740run Perl interpreters. This should be called only once, before creating
2741any Perl interpreters.
2742
2743=for apidoc Am|void|PERL_SYS_INIT3|int argc|char** argv|char** env
2744Provides system-specific tune up of the C runtime environment necessary to
2745run Perl interpreters. This should be called only once, before creating
2746any Perl interpreters.
2747
2748=for apidoc Am|void|PERL_SYS_TERM|
2749Provides system-specific clean up of the C runtime environment after
2750running Perl interpreters. This should be called only once, after
2751freeing any remaining Perl interpreters.
2752
2753=cut
2754 */
2755
cbec8ebe
DM		 2756#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2757#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2758#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2759
be708cc0
JH		 2760#ifndef PERL_WRITE_MSG_TO_CONSOLE
2761# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2762#endif
2763
0f31cffe
GS		 2764#ifndef MAXPATHLEN
2765# ifdef PATH_MAX
b990c8b2
JH		 2766# ifdef _POSIX_PATH_MAX
2767# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2768/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2769 * included the null byte or not. Later amendments of POSIX,
2770 * XPG4, the Austin Group, and the Single UNIX Specification
2771 * all explicitly include the null byte in the PATH_MAX.
2772 * Ditto for _POSIX_PATH_MAX. */
2773# define MAXPATHLEN PATH_MAX
b990c8b2 2774# else
09448d78 2775# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2776# endif
2777# else
2778# define MAXPATHLEN (PATH_MAX+1)
2779# endif
0f31cffe 2780# else
b990c8b2 2781# ifdef _POSIX_PATH_MAX
09448d78 2782# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2783# else
2784# define MAXPATHLEN 1024 /* Err on the large side. */
2785# endif
0f31cffe
GS		 2786# endif
2787#endif
2788
c80263a8
SH		 2789/* In case Configure was not used (we are using a "canned config"
2790 * such as Win32, or a cross-compilation setup, for example) try going
2791 * by the gcc major and minor versions. One useful URL is
2792 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2793 * but contrary to this information warn_unused_result seems
2794 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2795 * Also, when building extensions with an installed perl, this allows
2796 * the user to upgrade gcc and get the right attributes, rather than
2797 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2798 * Set these up now otherwise we get confused when some of the <*thread.h>
2799 * includes below indirectly pull in <perlio.h> (which needs to know if we
2800 * have HASATTRIBUTE_FORMAT).
2801 */
2802
4d7c7898 2803#ifndef PERL_MICRO
fc2007d4 2804#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2805# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2806# define HASATTRIBUTE_DEPRECATED
2807# endif
c80263a8
SH		 2808# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2809# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2810# if defined __MINGW32__
2811# define PRINTF_FORMAT_NULL_OK
2812# endif
c80263a8
SH		 2813# endif
2814# if __GNUC__ >= 3 /* 3.0 -> */
2815# define HASATTRIBUTE_MALLOC
2816# endif
2817# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2818# define HASATTRIBUTE_NONNULL
2819# endif
2820# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2821# define HASATTRIBUTE_NORETURN
2822# endif
2823# if __GNUC__ >= 3 /* gcc 3.0 -> */
2824# define HASATTRIBUTE_PURE
2825# endif
42bf5550 2826# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2827# define HASATTRIBUTE_UNUSED
2828# endif
d324fe49
AD		 2829# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2830# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2831# endif
c80263a8
SH		 2832# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2833# define HASATTRIBUTE_WARN_UNUSED_RESULT
2834# endif
2835#endif
00f254e2 2836#endif /* #ifndef PERL_MICRO */
c80263a8 2837
3db8f154 2838/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2839 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2840 * this results in many functions being undeclared which bothers C++
2841 * May make sense to have threads after "*ish.h" anyway
2842 */
2843
3db8f154 2844#if defined(USE_ITHREADS)
2986a63f
JH		 2845# ifdef NETWARE
2846# include <nw5thread.h>
2847# else
32f822de
GS		 2848# ifdef FAKE_THREADS
2849# include "fakethr.h"
2850# else
2851# ifdef WIN32
2852# include <win32thread.h>
2853# else
dd96f567
IZ		 2854# ifdef OS2
2855# include "os2thread.h"
2856# else
7f3d1cf1 2857# ifdef I_MACH_CTHREADS
bdd66968 2858# include <mach/cthreads.h>
8f1f23e8 2859# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2860# define MUTEX_INIT_CALLS_MALLOC
2861# endif
7f3d1cf1
BH		 2862typedef cthread_t perl_os_thread;
2863typedef mutex_t perl_mutex;
2864typedef condition_t perl_cond;
2865typedef void * perl_key;
2866# else /* Posix threads */
1f5ae88c
JH		 2867# ifdef I_PTHREAD
2868# include <pthread.h>
2869# endif
7f3d1cf1
BH		 2870typedef pthread_t perl_os_thread;
2871typedef pthread_mutex_t perl_mutex;
2872typedef pthread_cond_t perl_cond;
2873typedef pthread_key_t perl_key;
2874# endif /* I_MACH_CTHREADS */
dd96f567 2875# endif /* OS2 */
32f822de
GS		 2876# endif /* WIN32 */
2877# endif /* FAKE_THREADS */
2986a63f 2878#endif /* NETWARE */
3db8f154 2879#endif /* USE_ITHREADS */
c5be433b 2880
66a93824 2881#if defined(WIN32)
1feb2720 2882# include "win32.h"
c5be433b
GS		 2883#endif
2884
2986a63f
JH		 2885#ifdef NETWARE
2886# include "netware.h"
2887#endif
2888
e5218da5 2889#define STATUS_UNIX PL_statusvalue
68dc0745 2890#ifdef VMS
6b88bc9c 2891# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2892/*
2893 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2894 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2895 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2896 * be updated also.
2897 */
2898# include <stsdef.h>
2899# include <ssdef.h>
2900/* Presume this because if VMS changes it, it will require a new
2901 * set of APIs for waiting on children for binary compatibility.
2902 */
2903# define child_offset_bits (8)
2904# ifndef C_FAC_POSIX
2905# define C_FAC_POSIX 0x35A000
2906# endif
2907
2908/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2909 * platform from the existing UNIX or Native status values.
2910 */
2911
37038d91 2912# define STATUS_EXIT \
7a7fd8e0
JM		 2913 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2914 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2915
7a7fd8e0 2916
fb38d079
JM		 2917/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2918 * exit code and shifts the UNIX value over the correct number of bits to
2919 * be a child status. Usually the number of bits is 8, but that could be
2920 * platform dependent. The NATIVE status code is presumed to have either
2921 * from a child process.
7a7fd8e0
JM		 2922 */
2923
fb38d079
JM		 2924/* This is complicated. The child processes return a true native VMS
2925 status which must be saved. But there is an assumption in Perl that
2926 the UNIX child status has some relationship to errno values, so
00f254e2 2927 Perl tries to translate it to text in some of the tests.
fb38d079
JM		 2928 In order to get the string translation correct, for the error, errno
2929 must be EVMSERR, but that generates a different text message
2930 than what the test programs are expecting. So an errno value must
2931 be derived from the native status value when an error occurs.
2932 That will hide the true native status message. With this version of
2933 perl, the true native child status can always be retrieved so that
2934 is not a problem. But in this case, Pl_statusvalue and errno may
2935 have different values in them.
2936 */
7a7fd8e0 2937
fb38d079 2938# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2939 STMT_START { \
2fbb330f
JM		 2940 I32 evalue = (I32)n; \
2941 if (evalue == EVMSERR) { \
2942 PL_statusvalue_vms = vaxc$errno; \
2943 PL_statusvalue = evalue; \
7a7fd8e0 2944 } else { \
2fbb330f 2945 PL_statusvalue_vms = evalue; \
fb38d079 2946 if (evalue == -1) { \
3280af22 2947 PL_statusvalue = -1; \
7a7fd8e0
JM		 2948 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2949 } else \
fb38d079 2950 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2951 set_vaxc_errno(evalue); \
fb38d079
JM		 2952 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2953 set_errno(EVMSERR); \
2954 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2955 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2956 } \
68dc0745 2957 } STMT_END
7a7fd8e0 2958
68dc0745 2959# ifdef VMSISH_STATUS
e5218da5 2960# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2961# else
e5218da5 2962# define STATUS_CURRENT STATUS_UNIX
68dc0745 2963# endif
7a7fd8e0
JM		 2964
2965 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2966 * the NATIVE status to an equivalent value. Can not be used to translate
2967 * exit code values as exit code values are not guaranteed to have any
2968 * relationship at all to errno values.
2969 * This is used when Perl is forcing errno to have a specific value.
2970 */
e5218da5 2971# define STATUS_UNIX_SET(n) \
68dc0745 2972 STMT_START { \
7a7fd8e0 2973 I32 evalue = (I32)n; \
0968cdad 2974 PL_statusvalue = evalue; \
3280af22 2975 if (PL_statusvalue != -1) { \
0968cdad
JM		 2976 if (PL_statusvalue != EVMSERR) { \
2977 PL_statusvalue &= 0xFFFF; \
2978 if (MY_POSIX_EXIT) \
2979 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2980 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2981 } \
2982 else { \
2983 PL_statusvalue_vms = vaxc$errno; \
2984 } \
68dc0745 2985 } \
0968cdad
JM		 2986 else PL_statusvalue_vms = SS$_ABORT; \
2987 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2988 } STMT_END
2989
2990 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 2991 * the NATIVE error status based on it.
2992 *
2993 * When in the default mode to comply with the Perl VMS documentation,
2994 * 0 is a success and any other code sets the NATIVE status to a failure
2995 * code of SS$_ABORT.
fb38d079
JM		 2996 *
2997 * In the new POSIX EXIT mode, native status will be set so that the
2998 * actual exit code will can be retrieved by the calling program or
2999 * shell.
3000 *
3001 * If the exit code is not clearly a UNIX parent or child exit status,
3002 * it will be passed through as a VMS status.
7a7fd8e0
JM		 3003 */
3004
fb38d079 3005# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 3006 STMT_START { \
3007 I32 evalue = (I32)n; \
3008 PL_statusvalue = evalue; \
e08e1e1d
JM		 3009 if (MY_POSIX_EXIT) { \
3010 if (evalue <= 0xFF00) { \
3011 if (evalue > 0xFF) \
3012 evalue = (evalue >> child_offset_bits) & 0xFF; \
3013 PL_statusvalue_vms = \
3014 (C_FAC_POSIX | (evalue << 3 ) | \
3015 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
3016 } else /* forgive them Perl, for they have sinned */ \
3017 PL_statusvalue_vms = evalue; \
3018 } else { \
3019 if (evalue == 0) \
3020 PL_statusvalue_vms = SS$_NORMAL; \
3021 else if (evalue <= 0xFF00) \
3022 PL_statusvalue_vms = SS$_ABORT; \
3023 else { /* forgive them Perl, for they have sinned */ \
3024 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3025 else PL_statusvalue_vms = vaxc$errno; \
3026 /* And obviously used a VMS status value instead of UNIX */ \
3027 PL_statusvalue = EVMSERR; \
3028 } \
3029 set_vaxc_errno(PL_statusvalue_vms); \
3030 } \
68dc0745 3031 } STMT_END
fb38d079 3032
e08e1e1d 3033
6ac6a52b
JM		 3034 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3035 * and sets the NATIVE error status based on it. This special case
3036 * is needed to maintain compatibility with past VMS behavior.
3037 *
3038 * In the default mode on VMS, this number is passed through as
3039 * both the NATIVE and UNIX status. Which makes it different
3040 * that the STATUS_UNIX_EXIT_SET.
3041 *
3042 * In the new POSIX EXIT mode, native status will be set so that the
3043 * actual exit code will can be retrieved by the calling program or
3044 * shell.
3045 *
1a3aec58
JM		 3046 * A POSIX exit code is from 0 to 255. If the exit code is higher
3047 * than this, it needs to be assumed that it is a VMS exit code and
3048 * passed through.
6ac6a52b
JM		 3049 */
3050
3051# define STATUS_EXIT_SET(n) \
3052 STMT_START { \
3053 I32 evalue = (I32)n; \
3054 PL_statusvalue = evalue; \
3055 if (MY_POSIX_EXIT) \
1a3aec58
JM		 3056 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3057 PL_statusvalue_vms = \
3058 (C_FAC_POSIX | (evalue << 3 ) | \
3059 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 3060 else \
3061 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3062 set_vaxc_errno(PL_statusvalue_vms); \
3063 } STMT_END
3064
fb38d079
JM		 3065
3066 /* This macro forces a success status */
7a7fd8e0
JM		 3067# define STATUS_ALL_SUCCESS \
3068 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 3069
3070 /* This macro forces a failure status */
7a7fd8e0
JM		 3071# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3072 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3073 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3074
68dc0745 3075#else
e5218da5 3076# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3077# if defined(WCOREDUMP)
37038d91 3078# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3079 STMT_START { \
3080 PL_statusvalue_posix = (n); \
3081 if (PL_statusvalue_posix == -1) \
3082 PL_statusvalue = -1; \
3083 else { \
3084 PL_statusvalue = \
3085 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3086 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3087 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3088 } \
3089 } STMT_END
3090# elif defined(WIFEXITED)
37038d91 3091# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3092 STMT_START { \
3093 PL_statusvalue_posix = (n); \
3094 if (PL_statusvalue_posix == -1) \
3095 PL_statusvalue = -1; \
3096 else { \
3097 PL_statusvalue = \
3098 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3099 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3100 } \
3101 } STMT_END
3102# else
37038d91 3103# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3104 STMT_START { \
3105 PL_statusvalue_posix = (n); \
3106 if (PL_statusvalue_posix == -1) \
3107 PL_statusvalue = -1; \
3108 else { \
3109 PL_statusvalue = \
3110 PL_statusvalue_posix & 0xFFFF; \
3111 } \
3112 } STMT_END
3113# endif
3114# define STATUS_UNIX_SET(n) \
68dc0745 3115 STMT_START { \
3280af22
NIS		 3116 PL_statusvalue = (n); \
3117 if (PL_statusvalue != -1) \
3118 PL_statusvalue &= 0xFFFF; \
68dc0745 3119 } STMT_END
7a7fd8e0 3120# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3121# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3122# define STATUS_CURRENT STATUS_UNIX
37038d91 3123# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3124# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3125# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3126#endif
3127
cc3604b1
GS		 3128/* flags in PL_exit_flags for nature of exit() */
3129#define PERL_EXIT_EXPECTED 0x01
31d77e54 3130#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3131
b79b76e0 3132#ifndef PERL_CORE
a7cb1f99 3133/* format to use for version numbers in file/directory names */
273cf8d1 3134/* XXX move to Configure? */
b79b76e0
NC		 3135/* This was only ever used for the current version, and that can be done at
3136 compile time, as PERL_FS_VERSION, so should we just delete it? */
3137# ifndef PERL_FS_VER_FMT
3138# define PERL_FS_VER_FMT "%d.%d.%d"
3139# endif
3140#endif
3141
3142#ifndef PERL_FS_VERSION
3143# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS		 3144#endif
3145
45bc9206 3146/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3147 * performance issue, so we allow people to disable it. Also, if
3148 * we are using stdio, there are broken implementations of fflush(NULL)
3149 * out there, Solaris being the most prominent.
45bc9206
GS		 3150 */
3151#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3152# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3153# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3154# else
3155# ifdef FFLUSH_ALL
3156# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3157# else
c5be433b 3158# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3159# endif
66fe083f 3160# endif
45bc9206
GS		 3161#endif
3162
7766f137
GS		 3163#ifndef PERL_WAIT_FOR_CHILDREN
3164# define PERL_WAIT_FOR_CHILDREN NOOP
3165#endif
3166
ba869deb 3167/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3168#ifndef PERL_SET_INTERP
3169# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3170#endif
3171
3172#ifndef PERL_GET_INTERP
3173# define PERL_GET_INTERP (PL_curinterp)
3174#endif
3175
54aff467 3176#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3177# ifdef MULTIPLICITY
ba869deb 3178# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3179# endif
ba869deb
GS		 3180# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3181#endif
3182
00f254e2 3183/*
8896765a 3184 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3185 All that is required is that the perl source does not
00f254e2
KW		 3186 use "%-p" or "%-<number>p" or "%<number>p" formats.
3187 These formats will still work in perl code.
486ec47a 3188 See comments in sv.c for further details.
8896765a 3189
8896765a 3190 Robin Barker 2005-07-14
f46d31f2 3191
00f254e2 3192 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3193*/
8896765a
RB		 3194
3195#ifndef SVf_
63ce7bf0 3196# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3197#endif
3198
8896765a 3199#ifndef SVf
104abab4 3200# define SVf "-p"
d2560b70
RB		 3201#endif
3202
014ead4b 3203#ifndef SVf32
8896765a 3204# define SVf32 SVf_(32)
014ead4b
RB		 3205#endif
3206
3207#ifndef SVf256
8896765a
RB		 3208# define SVf256 SVf_(256)
3209#endif
3210
be2597df
MHM		 3211#define SVfARG(p) ((void*)(p))
3212
f46d31f2 3213#ifdef PERL_CORE
486ec47a 3214/* not used; but needed for backward compatibility with XS code? - RMB */
f46d31f2
RB		 3215# undef VDf
3216#else
3217# ifndef VDf
8896765a
RB		 3218# define VDf "vd"
3219# endif
014ead4b 3220#endif
170cd9e9
NC		 3221
3222#ifdef PERL_CORE
486ec47a 3223/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB		 3224# undef UVf
3225#else
170cd9e9
NC		 3226# ifndef UVf
3227# define UVf UVuf
3228# endif
d2560b70
RB		 3229#endif
3230
fcdf39cf
RGS		 3231#ifdef HASATTRIBUTE_DEPRECATED
3232# define __attribute__deprecated__ __attribute__((deprecated))
3233#endif
0dbb1585
AL		 3234#ifdef HASATTRIBUTE_FORMAT
3235# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3236#endif
3237#ifdef HASATTRIBUTE_MALLOC
77785eea 3238# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3239#endif
0dbb1585 3240#ifdef HASATTRIBUTE_NONNULL
abb2c242 3241# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3242#endif
0dbb1585 3243#ifdef HASATTRIBUTE_NORETURN
abb2c242 3244# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3245#endif
0dbb1585 3246#ifdef HASATTRIBUTE_PURE
abb2c242 3247# define __attribute__pure__ __attribute__((pure))
f22be1b8 3248#endif
0dbb1585
AL		 3249#ifdef HASATTRIBUTE_UNUSED
3250# define __attribute__unused__ __attribute__((unused))
3251#endif
3252#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3253# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3254#endif
3255
0dbb1585 3256/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3257#ifndef __attribute__deprecated__
3258# define __attribute__deprecated__
3259#endif
0dbb1585
AL		 3260#ifndef __attribute__format__
3261# define __attribute__format__(x,y,z)
3262#endif
f22be1b8 3263#ifndef __attribute__malloc__
abb2c242 3264# define __attribute__malloc__
f22be1b8
JH		 3265#endif
3266#ifndef __attribute__nonnull__
abb2c242 3267# define __attribute__nonnull__(a)
f22be1b8
JH		 3268#endif
3269#ifndef __attribute__noreturn__
abb2c242 3270# define __attribute__noreturn__
f22be1b8
JH		 3271#endif
3272#ifndef __attribute__pure__
abb2c242 3273# define __attribute__pure__
f22be1b8 3274#endif
0dbb1585
AL		 3275#ifndef __attribute__unused__
3276# define __attribute__unused__
3277#endif
f22be1b8 3278#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3279# define __attribute__warn_unused_result__
3280#endif
3281
0dbb1585
AL		 3282/* For functions that are marked as __attribute__noreturn__, it's not
3283 appropriate to call return. In either case, include the lint directive.
3284 */
3285#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3286# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3287#else
b37c2d43 3288# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH		 3289#endif
3290
cdfeb707
RB		 3291/* Some OS warn on NULL format to printf */
3292#ifdef PRINTF_FORMAT_NULL_OK
3293# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3294#else
00f254e2 3295# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB		 3296#endif
3297
635aebb7 3298#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3299# define EXPECT(expr,val) __builtin_expect(expr,val)
3300#else
3301# define EXPECT(expr,val) (expr)
3302#endif
3303#define LIKELY(cond) EXPECT(cond,1)
3304#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3305#ifdef HAS_BUILTIN_CHOOSE_EXPR
3306/* placeholder */
3307#endif
b37c2d43 3308
3fc1aec6 3309/* Some unistd.h's give a prototype for pause() even though
3310 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3311 below to be rejected by the compiler. Sigh.
3fc1aec6 3312*/
3313#ifdef HAS_PAUSE
3314#define Pause pause
3315#else
3316#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3317#endif
3318
3319#ifndef IOCPARM_LEN
3320# ifdef IOCPARM_MASK
61f1c44b 3321 /* on BSDish systems we're safe */
748a9306
LW		 3322# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3323# else
61f1c44b 3324# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3325 /* on Linux systems we're safe; except when we're not [perl #38223] */
3326# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3327# else
748a9306 3328 /* otherwise guess at what's safe */
61f1c44b
JVD		 3329# define IOCPARM_LEN(x) 256
3330# endif
748a9306 3331# endif
a0d0e21e
LW		 3332#endif
3333
1761cee5 3334#if defined(__CYGWIN__)
521e0776
GS		 3335/* USEMYBINMODE
3336 * This symbol, if defined, indicates that the program should
16fe6d59 3337 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3338 * that a file is in "binary" mode -- that is, that no translation
3339 * of bytes occurs on read or write operations.
3340 */
36894f0b 3341# define USEMYBINMODE /**/
77a40698 3342# include <io.h> /* for setmode() prototype */
16fe6d59 3343# define my_binmode(fp, iotype, mode) \
77a40698 3344 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3345#endif
3346
88d10794
JH		 3347#ifdef __CYGWIN__
3348void init_os_extras(void);
3349#endif
3350
cea2e8a9
GS		 3351#ifdef UNION_ANY_DEFINITION
3352UNION_ANY_DEFINITION;
3353#else
3354union any {
3355 void* any_ptr;
3356 I32 any_i32;
3357 IV any_iv;
c6bf6a65 3358 UV any_uv;
cea2e8a9 3359 long any_long;
9febdf04 3360 bool any_bool;
c76ac1ee 3361 void (*any_dptr) (void*);
acfe0abc 3362 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3363};
3364#endif
3365
acfe0abc 3366typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3367
3368#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3369#define FILTER_DATA(idx) \
3370 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3371#define FILTER_ISREADER(idx) \
3372 (PL_parser && PL_parser->rsfp_filters \
3373 && idx >= AvFILLp(PL_parser->rsfp_filters))
3374#define PERL_FILTER_EXISTS(i) \
3375 (PL_parser && PL_parser->rsfp_filters \
3376 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3377
c5078cac
JH		 3378#if defined(_AIX) && !defined(_AIX43)
3379#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3380/* We cannot include <crypt.h> to get the struct crypt_data
3381 * because of setkey prototype problems when threading */
3382typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3383 /* From OSF, Not needed in AIX
3384 char C[28], D[28];
3385 */
3386 char E[48];
3387 char KS[16][48];
3388 char block[66];
3389 char iobuf[16];
3390} CRYPTD;
3391#endif /* threading */
3392#endif /* AIX */
3393
e37778c2 3394#if !defined(OS2)
2c2d71f5
JH		 3395# include "iperlsys.h"
3396#endif
504f80c1 3397
9c12f1e5 3398#ifdef __LIBCATAMOUNT__
00f254e2 3399#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS		 3400#undef HAS_GROUP
3401#define FAKE_BIT_BUCKET
3402#endif
3403
d10dc2ae
JH		 3404/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3405 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3406 * defined by Configure, despite their names being similar to the
3407 * other defines like USE_ITHREADS. Configure in fact knows nothing
3408 * about the randomised hashes. Therefore to enable/disable the hash
3409 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3410#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3411# define USE_HASH_SEED
504f80c1
JH		 3412#endif
3413
598921a7
NC		 3414/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3415 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3416 * it's not really needed.
3417 */
3418#if defined(WIN32)
3419# define YYTOKENTYPE
3420#endif
3421#include "perly.h"
3422
3423#ifdef PERL_MAD
3424struct nexttoken {
3425 YYSTYPE next_val; /* value of next token, if any */
3426 I32 next_type; /* type of next token */
3427 MADPROP *next_mad; /* everything else about that token */
3428};
3429#endif
3430
654eccd5
JD		 3431/* macros to define bit-fields in structs. */
3432#ifndef PERL_BITFIELD8
3433# define PERL_BITFIELD8 unsigned
3434#endif
3435#ifndef PERL_BITFIELD16
3436# define PERL_BITFIELD16 unsigned
3437#endif
3438#ifndef PERL_BITFIELD32
3439# define PERL_BITFIELD32 unsigned
3440#endif
3441
79072805 3442#include "sv.h"
288b8c02 3443#include "regexp.h"
378cc40b 3444#include "util.h"
8d063cd8 3445#include "form.h"
79072805 3446#include "gv.h"
dd2155a4 3447#include "pad.h"
79072805 3448#include "cv.h"
abdd5c84 3449#include "opnames.h"
79072805 3450#include "op.h"
b3ca2e83 3451#include "hv.h"
79072805
LW		 3452#include "cop.h"
3453#include "av.h"
79072805
LW		 3454#include "mg.h"
3455#include "scope.h"
4438c4b7 3456#include "warnings.h"
a0ed51b3 3457#include "utf8.h"
8d063cd8 3458
0d7d409d
DM		 3459/* these would be in doio.h if there was such a file */
3460#define my_stat() my_stat_flags(SV_GMAGIC)
3461#define my_lstat() my_lstat_flags(SV_GMAGIC)
3462
20f4945e 3463/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM		 3464#undef _XPV_HEAD
3465#undef _XPVMG_HEAD
3466#undef _XPVCV_COMMON
7fae4e64
GS		 3467
3468typedef struct _sublex_info SUBLEXINFO;
3469struct _sublex_info {
651b5b28
NC		 3470 U8 super_state; /* lexer state to save */
3471 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3472 OP *sub_op; /* "lex_op" to use */
f06b5848
DM		 3473 char *super_bufptr; /* PL_parser->bufptr that was */
3474 char *super_bufend; /* PL_parser->bufend that was */
7fae4e64
GS		 3475};
3476
199e78b7
DM		 3477#include "parser.h"
3478
455ece5e 3479typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3480
2c2d71f5 3481struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3482struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3483
5f7fde29
GS		 3484struct ptr_tbl_ent {
3485 struct ptr_tbl_ent* next;
53c1dcc0 3486 const void* oldval;
5f7fde29 3487 void* newval;
d18c6117
GS		 3488};
3489
5f7fde29
GS		 3490struct ptr_tbl {
3491 struct ptr_tbl_ent** tbl_ary;
3492 UV tbl_max;
3493 UV tbl_items;
db93c0c4
NC		 3494 struct ptr_tbl_arena *tbl_arena;
3495 struct ptr_tbl_ent *tbl_arena_next;
3496 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS		 3497};
3498
450a55e4 3499#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3500# define I286
3501#endif
3502
fe14fcc3
LW		 3503#if defined(htonl) && !defined(HAS_HTONL)
3504#define HAS_HTONL
ae986130 3505#endif
fe14fcc3
LW		 3506#if defined(htons) && !defined(HAS_HTONS)
3507#define HAS_HTONS
ae986130 3508#endif
fe14fcc3
LW		 3509#if defined(ntohl) && !defined(HAS_NTOHL)
3510#define HAS_NTOHL
ae986130 3511#endif
fe14fcc3
LW		 3512#if defined(ntohs) && !defined(HAS_NTOHS)
3513#define HAS_NTOHS
ae986130 3514#endif
fe14fcc3 3515#ifndef HAS_HTONL
d9d8d8de 3516#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3517#define HAS_HTONS
3518#define HAS_HTONL
3519#define HAS_NTOHS
3520#define HAS_NTOHL
a687059c
LW		 3521#define MYSWAP
3522#define htons my_swap
3523#define htonl my_htonl
3524#define ntohs my_swap
3525#define ntohl my_ntohl
3526#endif
3527#else
d9d8d8de 3528#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3529#undef HAS_HTONS
3530#undef HAS_HTONL
3531#undef HAS_NTOHS
3532#undef HAS_NTOHL
a687059c
LW		 3533#endif
3534#endif
3535
988174c1
LW		 3536/*
3537 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3538 * -DWS
3539 */
3540#if BYTEORDER != 0x1234
3541# define HAS_VTOHL
3542# define HAS_VTOHS
3543# define HAS_HTOVL
3544# define HAS_HTOVS
c67712b2 3545# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3546# define vtohl(x) ((((x)&0xFF)<<24) \
3547 +(((x)>>24)&0xFF) \
3548 +(((x)&0x0000FF00)<<8) \
3549 +(((x)&0x00FF0000)>>8) )
3550# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3551# define htovl(x) vtohl(x)
3552# define htovs(x) vtohs(x)
3553# endif
3554 /* otherwise default to functions in util.c */
2a8c3029 3555#ifndef htovs
c623ac67
GS		 3556short htovs(short n);
3557short vtohs(short n);
3558long htovl(long n);
3559long vtohl(long n);
988174c1 3560#endif
2a8c3029 3561#endif
988174c1 3562
3bb7c1b4
JH		 3563/* *MAX Plus 1. A floating point value.
3564 Hopefully expressed in a way that dodgy floating point can't mess up.
3565 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3566 is added to it
3567 May find that some broken compiler will want the value cast to I32.
3568 [after the shift, as signed >> may not be as secure as unsigned >>]
3569*/
3570#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3571#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3572/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3573 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3574 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3575*/
3576#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3577
3bb7c1b4
JH		 3578#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3579#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3580#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3581
3582/* This may look like unnecessary jumping through hoops, but converting
3583 out of range floating point values to integers *is* undefined behaviour,
3584 and it is starting to bite.
3585*/
3586#ifndef CAST_INLINE
65202027 3587#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3588#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3589#define I_V(what) (cast_iv((NV)(what)))
3590#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3591#else
3592#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3593 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3594 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3595#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3596 : ((n) < U32_MAX_P1 ? (U32) (n) \
3597 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3598#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3599 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3600 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3601#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3602 : ((n) < UV_MAX_P1 ? (UV) (n) \
3603 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3604#endif
3605
3606#define U_S(what) ((U16)U_32(what))
3607#define U_I(what) ((unsigned int)U_32(what))
3608#define U_L(what) U_32(what)
ed6116ce 3609
ed140128
AD		 3610#ifdef HAS_SIGNBIT
3611# define Perl_signbit signbit
3612#endif
3613
2d4389e4
JH		 3614/* These do not care about the fractional part, only about the range. */
3615#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3616#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3617
25da4f38
IZ		 3618/* Used with UV/IV arguments: */
3619 /* XXXX: need to speed it up */
3620#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3621#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3622
352d5a3a
LW		 3623#ifndef MAXSYSFD
3624# define MAXSYSFD 2
3625#endif
ee0007ab 3626
79072805 3627#ifndef __cplusplus
27da23d5 3628#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3629Uid_t getuid (void);
3630Uid_t geteuid (void);
3631Gid_t getgid (void);
3632Gid_t getegid (void);
79072805 3633#endif
e1caacb4 3634#endif
8d063cd8 3635
0c30d9ec 3636#ifndef Perl_debug_log
bf49b057
GS		 3637# define Perl_debug_log PerlIO_stderr()
3638#endif
3639
3640#ifndef Perl_error_log
3641# define Perl_error_log (PL_stderrgv \
6b78add2 3642 && isGV(PL_stderrgv) \
01bb7c6d 3643 && GvIOp(PL_stderrgv) \
42de951c 3644 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3645 ? IoOFP(GvIOp(PL_stderrgv)) \
3646 : PerlIO_stderr())
0c30d9ec 3647#endif
3967c732 3648
aea4f609
DM		 3649
3650#define DEBUG_p_FLAG 0x00000001 /* 1 */
3651#define DEBUG_s_FLAG 0x00000002 /* 2 */
3652#define DEBUG_l_FLAG 0x00000004 /* 4 */
3653#define DEBUG_t_FLAG 0x00000008 /* 8 */
3654#define DEBUG_o_FLAG 0x00000010 /* 16 */
3655#define DEBUG_c_FLAG 0x00000020 /* 32 */
3656#define DEBUG_P_FLAG 0x00000040 /* 64 */
3657#define DEBUG_m_FLAG 0x00000080 /* 128 */
3658#define DEBUG_f_FLAG 0x00000100 /* 256 */
3659#define DEBUG_r_FLAG 0x00000200 /* 512 */
3660#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3661#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3662/* U is reserved for Unofficial, exploratory hacking */
3663#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3664#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3665#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3666#define DEBUG_D_FLAG 0x00008000 /* 32768 */
d2c25739 3667/* 0x00010000 is unused, used to be S */
aea4f609 3668#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3669#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3670#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3671#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3672#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3673#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3674#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 3675#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3676#define DEBUG_B_FLAG 0x02000000 /*33554432*/
3677#define DEBUG_MASK 0x03FEEFFF /* mask of all the standard flags */
aea4f609
DM		 3678
3679#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3680#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3681 that something was done? */
aea4f609 3682
bd16a5f0
IZ		 3683# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3684# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3685# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3686# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3687# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3688# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3689# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3690# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3691# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3692# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3693# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3694# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3695# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3696# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3697# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3698# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
bd16a5f0
IZ		 3699# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3700# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3701# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3702# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3703# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3704# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3705# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3706# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3707# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3708# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3709# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3710# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3711
3967c732 3712#ifdef DEBUGGING
aea4f609 3713
bd16a5f0
IZ		 3714# define DEBUG_p_TEST DEBUG_p_TEST_
3715# define DEBUG_s_TEST DEBUG_s_TEST_
3716# define DEBUG_l_TEST DEBUG_l_TEST_
3717# define DEBUG_t_TEST DEBUG_t_TEST_
3718# define DEBUG_o_TEST DEBUG_o_TEST_
3719# define DEBUG_c_TEST DEBUG_c_TEST_
3720# define DEBUG_P_TEST DEBUG_P_TEST_
3721# define DEBUG_m_TEST DEBUG_m_TEST_
3722# define DEBUG_f_TEST DEBUG_f_TEST_
3723# define DEBUG_r_TEST DEBUG_r_TEST_
3724# define DEBUG_x_TEST DEBUG_x_TEST_
3725# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3726# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3727# define DEBUG_H_TEST DEBUG_H_TEST_
3728# define DEBUG_X_TEST DEBUG_X_TEST_
3729# define DEBUG_D_TEST DEBUG_D_TEST_
bd16a5f0
IZ		 3730# define DEBUG_T_TEST DEBUG_T_TEST_
3731# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3732# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3733# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3734# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3735# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3736# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3737# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3738# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC		 3739# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3740# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3741# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3742
488b0c7a
JH		 3743# define PERL_DEB(a) a
3744# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3745# define DEBUG_p(a) if (DEBUG_p_TEST) a
3746# define DEBUG_s(a) if (DEBUG_s_TEST) a
3747# define DEBUG_l(a) if (DEBUG_l_TEST) a
3748# define DEBUG_t(a) if (DEBUG_t_TEST) a
3749# define DEBUG_o(a) if (DEBUG_o_TEST) a
3750# define DEBUG_c(a) if (DEBUG_c_TEST) a
3751# define DEBUG_P(a) if (DEBUG_P_TEST) a
3752
969058bb
VK		 3753 /* Temporarily turn off memory debugging in case the a
3754 * does memory allocation, either directly or indirectly. */
acfe0abc 3755# define DEBUG_m(a) \
0b250b9e 3756 STMT_START { \
aea4f609 3757 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3758 } STMT_END
aea4f609 3759
5f80b19c
AMS		 3760# define DEBUG__(t, a) \
3761 STMT_START { \
3762 if (t) STMT_START {a;} STMT_END; \
3763 } STMT_END
3764
3765# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3766#ifndef PERL_EXT_RE_BUILD
5f80b19c 3767# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3768#else
3769# define DEBUG_r(a) STMT_START {a;} STMT_END
3770#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3771# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3772# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3773# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3774# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3775# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3776# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3777# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3778# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3779# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3780
5f80b19c
AMS		 3781# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3782# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3783# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3784# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3785# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3786# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3787# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3788# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM		 3789
3790#else /* DEBUGGING */
3791
3792# define DEBUG_p_TEST (0)
3793# define DEBUG_s_TEST (0)
3794# define DEBUG_l_TEST (0)
3795# define DEBUG_t_TEST (0)
3796# define DEBUG_o_TEST (0)
3797# define DEBUG_c_TEST (0)
3798# define DEBUG_P_TEST (0)
3799# define DEBUG_m_TEST (0)
3800# define DEBUG_f_TEST (0)
3801# define DEBUG_r_TEST (0)
3802# define DEBUG_x_TEST (0)
3803# define DEBUG_u_TEST (0)
88d2d28a 3804# define DEBUG_U_TEST (0)
aea4f609
DM		 3805# define DEBUG_H_TEST (0)
3806# define DEBUG_X_TEST (0)
3807# define DEBUG_D_TEST (0)
aea4f609 3808# define DEBUG_T_TEST (0)
04932ac8 3809# define DEBUG_R_TEST (0)
1045810a 3810# define DEBUG_J_TEST (0)
d6721266 3811# define DEBUG_v_TEST (0)
46187eeb 3812# define DEBUG_C_TEST (0)
ecae49c0
NC		 3813# define DEBUG_A_TEST (0)
3814# define DEBUG_q_TEST (0)
d7c0d282 3815# define DEBUG_M_TEST (0)
cc8773c0 3816# define DEBUG_B_TEST (0)
7949c6f5
JC		 3817# define DEBUG_Xv_TEST (0)
3818# define DEBUG_Uv_TEST (0)
ad9e76a8 3819# define DEBUG_Pv_TEST (0)
aea4f609 3820
488b0c7a
JH		 3821# define PERL_DEB(a)
3822# define PERL_DEBUG(a)
aea4f609
DM		 3823# define DEBUG_p(a)
3824# define DEBUG_s(a)
3825# define DEBUG_l(a)
3826# define DEBUG_t(a)
3827# define DEBUG_o(a)
3828# define DEBUG_c(a)
3829# define DEBUG_P(a)
3830# define DEBUG_m(a)
3831# define DEBUG_f(a)
3832# define DEBUG_r(a)
3833# define DEBUG_x(a)
3834# define DEBUG_u(a)
88d2d28a 3835# define DEBUG_U(a)
aea4f609
DM		 3836# define DEBUG_H(a)
3837# define DEBUG_X(a)
3838# define DEBUG_D(a)
aea4f609 3839# define DEBUG_T(a)
04932ac8 3840# define DEBUG_R(a)
d6721266 3841# define DEBUG_v(a)
46187eeb 3842# define DEBUG_C(a)
ecae49c0
NC		 3843# define DEBUG_A(a)
3844# define DEBUG_q(a)
d7c0d282 3845# define DEBUG_M(a)
cc8773c0 3846# define DEBUG_B(a)
7949c6f5
JC		 3847# define DEBUG_Xv(a)
3848# define DEBUG_Uv(a)
ad9e76a8 3849# define DEBUG_Pv(a)
aea4f609
DM		 3850#endif /* DEBUGGING */
3851
3852
b4ab917c 3853#define DEBUG_SCOPE(where) \
d9f81b50 3854 DEBUG_l( \
1c98cc53
DM		 3855 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
3856 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
d9f81b50 3857 __FILE__, __LINE__));
b4ab917c 3858
de84dc04
NC		 3859#if defined(DEBUGGING) && defined(I_ASSERT)
3860# include <assert.h>
3861#endif
3862
3863/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3864 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3865
de84dc04 3866#define Perl_assert(what) PERL_DEB( \
2b057284 3867 ((what) ? ((void) 0) : \
67eb4d30 3868 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3869 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3870 (void) 0)))
de84dc04
NC		 3871
3872#ifndef assert
3873# define assert(what) Perl_assert(what)
a446a88f 3874#endif
8d063cd8 3875
450a55e4 3876struct ufuncs {
24f81a43
DM		 3877 I32 (*uf_val)(pTHX_ IV, SV*);
3878 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3879 IV uf_index;
450a55e4
LW		 3880};
3881
14befaf4 3882/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3883 * XS code wanting to be backward compatible can do something
3884 * like the following:
c745e42c 3885
24f81a43 3886#ifndef PERL_MG_UFUNC
24f81a43
DM		 3887#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3888#endif
3889
3890static PERL_MG_UFUNC(foo_get, index, val)
3891{
3892 sv_setsv(val, ...);
3893 return TRUE;
3894}
3895
3896-- Doug MacEachern
3897
3898*/
3899
fc9c74e6 3900#ifndef PERL_MG_UFUNC
24f81a43 3901#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3902#endif
24f81a43 3903
fe14fcc3 3904/* Fix these up for __STDC__ */
68dc0745 3905#ifndef DONT_DECLARE_STD
20ce7b12 3906char *mktemp (char*);
37bd1396 3907#ifndef atof
20ce7b12 3908double atof (const char*);
a0d0e21e 3909#endif
37bd1396 3910#endif
79072805 3911
352d5a3a 3912#ifndef STANDARD_C
fe14fcc3 3913/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3914Time_t time();
8d063cd8 3915struct tm *gmtime(), *localtime();
092bebab 3916#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3917char *(strchr)(), *(strrchr)();
3918char *(strcpy)(), *(strcat)();
3919#else
93a17b20 3920char *strchr(), *strrchr();
378cc40b 3921char *strcpy(), *strcat();
9d116dd7 3922#endif
352d5a3a 3923#endif /* ! STANDARD_C */
8d063cd8 3924
79072805
LW		 3925
3926#ifdef I_MATH
3927# include <math.h>
3928#else
32f822de 3929START_EXTERN_C
20ce7b12
GS		 3930 double exp (double);
3931 double log (double);
3932 double log10 (double);
3933 double sqrt (double);
3934 double frexp (double,int*);
3935 double ldexp (double,int);
3936 double modf (double,double*);
3937 double sin (double);
3938 double cos (double);
3939 double atan2 (double,double);
3940 double pow (double,double);
32f822de 3941END_EXTERN_C
79072805
LW		 3942#endif
3943
aa8b85de
JH		 3944#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3945# define NV_INF LDBL_INFINITY
3946#endif
3947#if !defined(NV_INF) && defined(DBL_INFINITY)
3948# define NV_INF (NV)DBL_INFINITY
3949#endif
3950#if !defined(NV_INF) && defined(INFINITY)
3951# define NV_INF (NV)INFINITY
3952#endif
3953#if !defined(NV_INF) && defined(INF)
3954# define NV_INF (NV)INF
3955#endif
3956#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3957# define NV_INF (NV)HUGE_VALL
3958#endif
3959#if !defined(NV_INF) && defined(HUGE_VAL)
3960# define NV_INF (NV)HUGE_VAL
3961#endif
3962
3963#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3964# if !defined(NV_NAN) && defined(LDBL_NAN)
3965# define NV_NAN LDBL_NAN
3966# endif
3967# if !defined(NV_NAN) && defined(LDBL_QNAN)
3968# define NV_NAN LDBL_QNAN
3969# endif
3970# if !defined(NV_NAN) && defined(LDBL_SNAN)
3971# define NV_NAN LDBL_SNAN
3972# endif
3973#endif
3974#if !defined(NV_NAN) && defined(DBL_NAN)
3975# define NV_NAN (NV)DBL_NAN
3976#endif
3977#if !defined(NV_NAN) && defined(DBL_QNAN)
3978# define NV_NAN (NV)DBL_QNAN
3979#endif
3980#if !defined(NV_NAN) && defined(DBL_SNAN)
3981# define NV_NAN (NV)DBL_SNAN
3982#endif
3983#if !defined(NV_NAN) && defined(QNAN)
3984# define NV_NAN (NV)QNAN
3985#endif
3986#if !defined(NV_NAN) && defined(SNAN)
3987# define NV_NAN (NV)SNAN
3988#endif
3989#if !defined(NV_NAN) && defined(NAN)
3990# define NV_NAN (NV)NAN
3991#endif
3992
a0d0e21e 3993#ifndef __cplusplus
8f1f23e8 3994# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3995char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3996# else
fd8cd3a3 3997# if !defined(WIN32) && !defined(VMS)
10bc17b6 3998#ifndef crypt
20ce7b12 3999char *crypt (const char*, const char*);
10bc17b6 4000#endif
5014db98 4001# endif /* !WIN32 */
8f1f23e8 4002# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 4003# ifndef DONT_DECLARE_STD
4004# ifndef getenv
20ce7b12 4005char *getenv (const char*);
26618a56 4006# endif /* !getenv */
28ca6303 4007# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 4008# ifdef _FILE_OFFSET_BITS
28ca6303 4009# if _FILE_OFFSET_BITS == 64
20ce7b12 4010Off_t lseek (int,Off_t,int);
0fc67700
JH		 4011# endif
4012# endif
bf0c440f 4013# endif
26618a56 4014# endif /* !DONT_DECLARE_STD */
10bc17b6 4015#ifndef getlogin
20ce7b12 4016char *getlogin (void);
10bc17b6 4017#endif
26618a56 4018#endif /* !__cplusplus */
79072805 4019
7a7fd8e0
JM		 4020/* Fixme on VMS. This needs to be a run-time, not build time options */
4021/* Also rename() is affected by this */
16d20bd9 4022#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 4023#define UNLINK unlnk
083639a9 4024I32 unlnk (pTHX_ const char*);
8d063cd8 4025#else
80252599 4026#define UNLINK PerlLIO_unlink
8d063cd8 4027#endif
a687059c 4028
fa0a29af
JH		 4029/* some versions of glibc are missing the setresuid() proto */
4030#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 4031int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4032#endif
fa0a29af
JH		 4033/* some versions of glibc are missing the setresgid() proto */
4034#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 4035int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4036#endif
4037
fe14fcc3 4038#ifndef HAS_SETREUID
85e6fe83
LW		 4039# ifdef HAS_SETRESUID
4040# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4041# define HAS_SETREUID
4042# endif
a687059c 4043#endif
fe14fcc3 4044#ifndef HAS_SETREGID
85e6fe83
LW		 4045# ifdef HAS_SETRESGID
4046# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4047# define HAS_SETREGID
4048# endif
a687059c 4049#endif
ee0007ab 4050
d543acb6 4051/* Sighandler_t defined in iperlsys.h */
ff68c719 4052
4053#ifdef HAS_SIGACTION
4054typedef struct sigaction Sigsave_t;
4055#else
4056typedef Sighandler_t Sigsave_t;
4057#endif
4058
ee0007ab
LW		 4059#define SCAN_DEF 0
4060#define SCAN_TR 1
4061#define SCAN_REPL 2
79072805
LW		 4062
4063#ifdef DEBUGGING
4633a7c4 4064# ifndef register
a0d0e21e
LW		 4065# define register
4066# endif
cea2e8a9 4067# define RUNOPS_DEFAULT Perl_runops_debug
79072805 4068#else
cea2e8a9 4069# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 4070#endif
4071
6cb8cb21 4072#ifdef USE_PERLIO
0934c9d9 4073EXTERN_C void PerlIO_teardown(void);
2f44961c 4074# ifdef USE_ITHREADS
6cb8cb21
RGS		 4075# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4076# define PERLIO_TERM \
4077 STMT_START { \
d0820ef1 4078 PerlIO_teardown(); \
6cb8cb21
RGS		 4079 MUTEX_DESTROY(&PL_perlio_mutex);\
4080 } STMT_END
4081# else
4082# define PERLIO_INIT
d0820ef1 4083# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 4084# endif
6b29934b
NC		 4085#else
4086# define PERLIO_INIT
4087# define PERLIO_TERM
6cb8cb21
RGS		 4088#endif
4089
18f739ee 4090#ifdef MYMALLOC
772fe5b3 4091# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 4092# define MALLOC_INIT \
4093 STMT_START { \
4094 PL_malloc_mutex = NULL; \
4095 MUTEX_INIT(&PL_malloc_mutex); \
4096 } STMT_END
4097# define MALLOC_TERM \
4098 STMT_START { \
4099 perl_mutex tmp = PL_malloc_mutex; \
4100 PL_malloc_mutex = NULL; \
4101 MUTEX_DESTROY(&tmp); \
4102 } STMT_END
4103# else
4104# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4105# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4106# endif
18f739ee
IZ		 4107#else
4108# define MALLOC_INIT
4109# define MALLOC_TERM
4110#endif
4111
cd1541b2 4112#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 4113
4114struct perl_memory_debug_header;
cd1541b2
NC		 4115struct perl_memory_debug_header {
4116 tTHX interpreter;
4117# ifdef PERL_POISON
4118 MEM_SIZE size;
cd1541b2 4119# endif
7cb608b5
NC		 4120 struct perl_memory_debug_header *prev;
4121 struct perl_memory_debug_header *next;
cd1541b2
NC		 4122};
4123
4124# define sTHX (sizeof(struct perl_memory_debug_header) + \
4125 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4126 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4127
d8fca402
NC		 4128#else
4129# define sTHX 0
cd1541b2
NC		 4130#endif
4131
7cb608b5
NC		 4132#ifdef PERL_TRACK_MEMPOOL
4133# define INIT_TRACK_MEMPOOL(header, interp) \
4134 STMT_START { \
4135 (header).interpreter = (interp); \
4136 (header).prev = (header).next = &(header); \
4137 } STMT_END
4138# else
4139# define INIT_TRACK_MEMPOOL(header, interp)
4140#endif
4141
1cd66f7c
DD		 4142#ifdef I_MALLOCMALLOC
4143/* Needed for malloc_size(), malloc_good_size() on some systems */
4144# include <malloc/malloc.h>
4145#endif
4146
ca7c1a29
NC		 4147#ifdef MYMALLOC
4148# define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
cfe52898 4149#else
e82be400
NC		 4150# ifdef HAS_MALLOC_SIZE
4151# ifdef PERL_TRACK_MEMPOOL
cfe52898
RGS		 4152# define Perl_safesysmalloc_size(where) \
4153 (malloc_size(((char *)(where)) - sTHX) - sTHX)
e82be400
NC		 4154# else
4155# define Perl_safesysmalloc_size(where) malloc_size(where)
4156# endif
4157# endif
4158# ifdef HAS_MALLOC_GOOD_SIZE
4159# ifdef PERL_TRACK_MEMPOOL
d8fca402
NC		 4160# define Perl_malloc_good_size(how_much) \
4161 (malloc_good_size((how_much) + sTHX) - sTHX)
e82be400
NC		 4162# else
4163# define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4164# endif
4165# else
d8fca402
NC		 4166/* Having this as the identity operation makes some code simpler. */
4167# define Perl_malloc_good_size(how_much) (how_much)
e82be400 4168# endif
ca7c1a29 4169#endif
b6d9d515 4170
16c91539
BM		 4171typedef int (*runops_proc_t)(pTHX);
4172typedef void (*share_proc_t) (pTHX_ SV *sv);
4173typedef int (*thrhook_proc_t) (pTHX);
4174typedef OP* (*PPADDR_t[]) (pTHX);
4175typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4176typedef void (*despatch_signals_proc_t) (pTHX);
22c35a8c 4177
8f1f23e8
W		 4178/* NeXT has problems with crt0.o globals */
4179#if defined(__DYNAMIC__) && \
6239f2da 4180 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 4181# if defined(NeXT) || defined(__NeXT)
4182# include <mach-o/dyld.h>
4183# define environ (*environ_pointer)
0c30d9ec 4184EXT char *** environ_pointer;
8f1f23e8 4185# else
6239f2da 4186# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 4187# include <crt_externs.h> /* for the env array */
4188# define environ (*_NSGetEnviron())
4189# endif
0c30d9ec 4190# endif
8f1f23e8
W		 4191#else
4192 /* VMS and some other platforms don't use the environ array */
13b6e58c 4193# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 4194# if !defined(DONT_DECLARE_STD) || \
4195 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
4196 defined(__sgi) || \
d460ef45 4197 defined(__DGUX)
8f1f23e8 4198extern char ** environ; /* environment variables supplied via exec */
a6c40364 4199# endif
8f1f23e8
W		 4200# endif
4201#endif
79072805 4202
457c5385
NC		 4203#define PERL_PATCHLEVEL_H_IMPLICIT
4204#include "patchlevel.h"
4205#undef PERL_PATCHLEVEL_H_IMPLICIT
4206
4207#define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4208 STRINGIFY(PERL_VERSION) "." \
4209 STRINGIFY(PERL_SUBVERSION)
4210
4211#define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4212 STRINGIFY(PERL_API_VERSION) "." \
4213 STRINGIFY(PERL_API_SUBVERSION)
4214
73c4f7a1
GS		 4215START_EXTERN_C
4216
79072805 4217/* handy constants */
22c35a8c 4218EXTCONST char PL_warn_uninit[]
29489e7c 4219 INIT("Use of uninitialized value%s%s%s");
22c35a8c 4220EXTCONST char PL_warn_nosemi[]
463ee0b2 4221 INIT("Semicolon seems to be missing");
22c35a8c 4222EXTCONST char PL_warn_reserved[]
463ee0b2 4223 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4224EXTCONST char PL_warn_nl[]
93a17b20 4225 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4226EXTCONST char PL_no_wrongref[]
a0d0e21e 4227 INIT("Can't use %s ref as %s ref");
def89bff
NC		 4228/* The core no longer needs these here. If you require the string constant,
4229 please inline a copy into your own code. */
973a7615
NC		 4230EXTCONST char PL_no_symref[] __attribute__deprecated__
4231 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
def89bff
NC		 4232EXTCONST char PL_no_symref_sv[] __attribute__deprecated__
4233 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 4234EXTCONST char PL_no_usym[]
8990e307 4235 INIT("Can't use an undefined value as %s reference");
22c35a8c 4236EXTCONST char PL_no_aelem[]
93a17b20 4237 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4238EXTCONST char PL_no_helem_sv[]
d04ff51e 4239 INIT("Modification of non-creatable hash value attempted, subscript \"%"SVf"\"");
22c35a8c 4240EXTCONST char PL_no_modify[]
93a17b20 4241 INIT("Modification of a read-only value attempted");
22c35a8c 4242EXTCONST char PL_no_mem[]
93a17b20 4243 INIT("Out of memory!\n");
22c35a8c 4244EXTCONST char PL_no_security[]
463ee0b2 4245 INIT("Insecure dependency in %s%s");
22c35a8c 4246EXTCONST char PL_no_sock_func[]
93a17b20 4247 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4248EXTCONST char PL_no_dir_func[]
93a17b20 4249 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4250EXTCONST char PL_no_func[]
93a17b20 4251 INIT("The %s function is unimplemented");
22c35a8c 4252EXTCONST char PL_no_myglob[]
952306ac 4253 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 4254EXTCONST char PL_no_localize_ref[]
4255 INIT("Can't localize through a reference");
27d5b266
JH		 4256EXTCONST char PL_memory_wrap[]
4257 INIT("panic: memory wrap");
93a17b20 4258
58f645e2
NC		 4259EXTCONST char PL_Yes[]
4260 INIT("1");
4261EXTCONST char PL_No[]
4262 INIT("");
4263EXTCONST char PL_hexdigit[]
4264 INIT("0123456789abcdef0123456789ABCDEF");
4265
0447859b
NC		 4266/* This is constant on most architectures, a global on OS/2 */
4267#ifndef OS2
4268EXTCONST char PL_sh_path[]
4269 INIT(SH_PATH); /* full path of shell */
4270#endif
4271
618b9757
NC		 4272#ifdef CSH
4273EXTCONST char PL_cshname[]
4274 INIT(CSH);
4275# define PL_cshlen (sizeof(CSH "") - 1)
4276#endif
4277
457c5385
NC		 4278/* These are baked at compile time into any shared perl library.
4279 In future releases this will allow us in main() to sanity test the
4280 library we're linking against. */
4281
4282EXTCONST U8 PL_revision
4283 INIT(PERL_REVISION);
4284EXTCONST U8 PL_version
4285 INIT(PERL_VERSION);
4286EXTCONST U8 PL_subversion
4287 INIT(PERL_SUBVERSION);
4288
7575fa06 4289EXTCONST char PL_uuemap[65]
80252599
GS		 4290 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4291
79072805 4292#ifdef DOINIT
9444d213
NC		 4293EXTCONST char PL_uudmap[256] =
4294#include "uudmap.h"
4295;
efa50c51 4296EXTCONST char PL_bitcount[256] =
efa50c51
NC		 4297# include "bitcount.h"
4298;
27da23d5
JH		 4299EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4300EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4301#else
9444d213 4302EXTCONST char PL_uudmap[256];
efa50c51 4303EXTCONST char PL_bitcount[256];
27da23d5
JH		 4304EXTCONST char* const PL_sig_name[];
4305EXTCONST int PL_sig_num[];
79072805
LW		 4306#endif
4307
6d8e7a01
KW		 4308/* fast conversion and case folding tables. The folding tables complement the
4309 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4310 * folds such as outside the range or to multiple characters. */
bbce6d69 4311
79072805 4312#ifdef DOINIT
d02f4dad
KW		 4313#ifndef EBCDIC
4314
4315/* The EBCDIC fold table depends on the code page, and hence is found in
4316 * utfebcdic.h */
4317
22c35a8c 4318EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4319 0, 1, 2, 3, 4, 5, 6, 7,
4320 8, 9, 10, 11, 12, 13, 14, 15,
4321 16, 17, 18, 19, 20, 21, 22, 23,
4322 24, 25, 26, 27, 28, 29, 30, 31,
4323 32, 33, 34, 35, 36, 37, 38, 39,
4324 40, 41, 42, 43, 44, 45, 46, 47,
4325 48, 49, 50, 51, 52, 53, 54, 55,
4326 56, 57, 58, 59, 60, 61, 62, 63,
4327 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4328 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4329 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4330 'x', 'y', 'z', 91, 92, 93, 94, 95,
4331 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4332 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4333 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4334 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4335 128, 129, 130, 131, 132, 133, 134, 135,
4336 136, 137, 138, 139, 140, 141, 142, 143,
4337 144, 145, 146, 147, 148, 149, 150, 151,
4338 152, 153, 154, 155, 156, 157, 158, 159,
4339 160, 161, 162, 163, 164, 165, 166, 167,
4340 168, 169, 170, 171, 172, 173, 174, 175,
4341 176, 177, 178, 179, 180, 181, 182, 183,
4342 184, 185, 186, 187, 188, 189, 190, 191,
4343 192, 193, 194, 195, 196, 197, 198, 199,
4344 200, 201, 202, 203, 204, 205, 206, 207,
4345 208, 209, 210, 211, 212, 213, 214, 215,
4346 216, 217, 218, 219, 220, 221, 222, 223,
4347 224, 225, 226, 227, 228, 229, 230, 231,
4348 232, 233, 234, 235, 236, 237, 238, 239,
4349 240, 241, 242, 243, 244, 245, 246, 247,
4350 248, 249, 250, 251, 252, 253, 254, 255
4351};
3871f40b
KW		 4352EXTCONST unsigned char PL_fold_latin1[] = {
4353 /* Full latin1 complement folding, except for three problematic code points:
4354 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4355 * fold complements outside the Latin1 range, so can't match something
4356 * that isn't in utf8.
4357 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4358 * not one, so can't be represented in this table.
4359 *
4360 * All have to be specially handled */
4361 0, 1, 2, 3, 4, 5, 6, 7,
4362 8, 9, 10, 11, 12, 13, 14, 15,
4363 16, 17, 18, 19, 20, 21, 22, 23,
4364 24, 25, 26, 27, 28, 29, 30, 31,
4365 32, 33, 34, 35, 36, 37, 38, 39,
4366 40, 41, 42, 43, 44, 45, 46, 47,
4367 48, 49, 50, 51, 52, 53, 54, 55,
4368 56, 57, 58, 59, 60, 61, 62, 63,
4369 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4370 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4371 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4372 'x', 'y', 'z', 91, 92, 93, 94, 95,
4373 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4374 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4375 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4376 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4377 128, 129, 130, 131, 132, 133, 134, 135,
4378 136, 137, 138, 139, 140, 141, 142, 143,
4379 144, 145, 146, 147, 148, 149, 150, 151,
4380 152, 153, 154, 155, 156, 157, 158, 159,
4381 160, 161, 162, 163, 164, 165, 166, 167,
4382 168, 169, 170, 171, 172, 173, 174, 175,
4383 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4384 184, 185, 186, 187, 188, 189, 190, 191,
4385 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4386 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4387 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4388 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4389 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4390 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4391 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4392 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4393 255 /* y with diaeresis */
4394};
00f254e2
KW		 4395#endif /* !EBCDIC, but still in DOINIT */
4396
4397/* If these tables are accessed through ebcdic, the access will be converted to
4398 * latin1 first */
4399EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4400 0, 1, 2, 3, 4, 5, 6, 7,
4401 8, 9, 10, 11, 12, 13, 14, 15,
4402 16, 17, 18, 19, 20, 21, 22, 23,
4403 24, 25, 26, 27, 28, 29, 30, 31,
4404 32, 33, 34, 35, 36, 37, 38, 39,
4405 40, 41, 42, 43, 44, 45, 46, 47,
4406 48, 49, 50, 51, 52, 53, 54, 55,
4407 56, 57, 58, 59, 60, 61, 62, 63,
4408 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4409 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4410 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4411 'x', 'y', 'z', 91, 92, 93, 94, 95,
4412 96, 97, 98, 99, 100, 101, 102, 103,
4413 104, 105, 106, 107, 108, 109, 110, 111,
4414 112, 113, 114, 115, 116, 117, 118, 119,
4415 120, 121, 122, 123, 124, 125, 126, 127,
4416 128, 129, 130, 131, 132, 133, 134, 135,
4417 136, 137, 138, 139, 140, 141, 142, 143,
4418 144, 145, 146, 147, 148, 149, 150, 151,
4419 152, 153, 154, 155, 156, 157, 158, 159,
4420 160, 161, 162, 163, 164, 165, 166, 167,
4421 168, 169, 170, 171, 172, 173, 174, 175,
4422 176, 177, 178, 179, 180, 181, 182, 183,
4423 184, 185, 186, 187, 188, 189, 190, 191,
4424 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4425 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4426 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4427 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4428 224, 225, 226, 227, 228, 229, 230, 231,
4429 232, 233, 234, 235, 236, 237, 238, 239,
4430 240, 241, 242, 243, 244, 245, 246, 247,
4431 248, 249, 250, 251, 252, 253, 254, 255
4432};
4433
4434/* upper and title case of latin1 characters, modified so that the three tricky
4435 * ones are mapped to 255 (which is one of the three) */
4436EXTCONST unsigned char PL_mod_latin1_uc[] = {
4437 0, 1, 2, 3, 4, 5, 6, 7,
4438 8, 9, 10, 11, 12, 13, 14, 15,
4439 16, 17, 18, 19, 20, 21, 22, 23,
4440 24, 25, 26, 27, 28, 29, 30, 31,
4441 32, 33, 34, 35, 36, 37, 38, 39,
4442 40, 41, 42, 43, 44, 45, 46, 47,
4443 48, 49, 50, 51, 52, 53, 54, 55,
4444 56, 57, 58, 59, 60, 61, 62, 63,
4445 64, 65, 66, 67, 68, 69, 70, 71,
4446 72, 73, 74, 75, 76, 77, 78, 79,
4447 80, 81, 82, 83, 84, 85, 86, 87,
4448 88, 89, 90, 91, 92, 93, 94, 95,
4449 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4450 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4451 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4452 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4453 128, 129, 130, 131, 132, 133, 134, 135,
4454 136, 137, 138, 139, 140, 141, 142, 143,
4455 144, 145, 146, 147, 148, 149, 150, 151,
4456 152, 153, 154, 155, 156, 157, 158, 159,
4457 160, 161, 162, 163, 164, 165, 166, 167,
4458 168, 169, 170, 171, 172, 173, 174, 175,
4459 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4460 184, 185, 186, 187, 188, 189, 190, 191,
4461 192, 193, 194, 195, 196, 197, 198, 199,
4462 200, 201, 202, 203, 204, 205, 206, 207,
4463 208, 209, 210, 211, 212, 213, 214, 215,
4464 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/,
4465 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4466 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4467 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4468 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4469};
4470#else /* ! DOINIT */
22c35a8c 4471EXTCONST unsigned char PL_fold[];
3871f40b 4472EXTCONST unsigned char PL_fold_latin1[];
00f254e2
KW		 4473EXTCONST unsigned char PL_mod_latin1_uc[];
4474EXTCONST unsigned char PL_latin1_lc[];
79072805
LW		 4475#endif
4476
27da23d5 4477#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4478#ifdef DOINIT
27da23d5 4479EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4480 0, 1, 2, 3, 4, 5, 6, 7,
4481 8, 9, 10, 11, 12, 13, 14, 15,
4482 16, 17, 18, 19, 20, 21, 22, 23,
4483 24, 25, 26, 27, 28, 29, 30, 31,
4484 32, 33, 34, 35, 36, 37, 38, 39,
4485 40, 41, 42, 43, 44, 45, 46, 47,
4486 48, 49, 50, 51, 52, 53, 54, 55,
4487 56, 57, 58, 59, 60, 61, 62, 63,
4488 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4489 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4490 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4491 'x', 'y', 'z', 91, 92, 93, 94, 95,
4492 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4493 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4494 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4495 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4496 128, 129, 130, 131, 132, 133, 134, 135,
4497 136, 137, 138, 139, 140, 141, 142, 143,
4498 144, 145, 146, 147, 148, 149, 150, 151,
4499 152, 153, 154, 155, 156, 157, 158, 159,
4500 160, 161, 162, 163, 164, 165, 166, 167,
4501 168, 169, 170, 171, 172, 173, 174, 175,
4502 176, 177, 178, 179, 180, 181, 182, 183,
4503 184, 185, 186, 187, 188, 189, 190, 191,
4504 192, 193, 194, 195, 196, 197, 198, 199,
4505 200, 201, 202, 203, 204, 205, 206, 207,
4506 208, 209, 210, 211, 212, 213, 214, 215,
4507 216, 217, 218, 219, 220, 221, 222, 223,
4508 224, 225, 226, 227, 228, 229, 230, 231,
4509 232, 233, 234, 235, 236, 237, 238, 239,
4510 240, 241, 242, 243, 244, 245, 246, 247,
4511 248, 249, 250, 251, 252, 253, 254, 255
4512};
4513#else
27da23d5 4514EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4515#endif
27da23d5 4516#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4517
4518#ifdef DOINIT
9d116dd7 4519#ifdef EBCDIC
27da23d5 4520EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4521 1, 2, 84, 151, 154, 155, 156, 157,
4522 165, 246, 250, 3, 158, 7, 18, 29,
4523 40, 51, 62, 73, 85, 96, 107, 118,
4524 129, 140, 147, 148, 149, 150, 152, 153,
4525 255, 6, 8, 9, 10, 11, 12, 13,
4526 14, 15, 24, 25, 26, 27, 28, 226,
4527 29, 30, 31, 32, 33, 43, 44, 45,
4528 46, 47, 48, 49, 50, 76, 77, 78,
4529 79, 80, 81, 82, 83, 84, 85, 86,
4530 87, 94, 95, 234, 181, 233, 187, 190,
4531 180, 96, 97, 98, 99, 100, 101, 102,
4532 104, 112, 182, 174, 236, 232, 229, 103,
4533 228, 226, 114, 115, 116, 117, 118, 119,
4534 120, 121, 122, 235, 176, 230, 194, 162,
4535 130, 131, 132, 133, 134, 135, 136, 137,
4536 138, 139, 201, 205, 163, 217, 220, 224,
4537 5, 248, 227, 244, 242, 255, 241, 231,
4538 240, 253, 16, 197, 19, 20, 21, 187,
4539 23, 169, 210, 245, 237, 249, 247, 239,
4540 168, 252, 34, 196, 36, 37, 38, 39,
4541 41, 42, 251, 254, 238, 223, 221, 213,
4542 225, 177, 52, 53, 54, 55, 56, 57,
4543 58, 59, 60, 61, 63, 64, 65, 66,
4544 67, 68, 69, 70, 71, 72, 74, 75,
4545 205, 208, 186, 202, 200, 218, 198, 179,
4546 178, 214, 88, 89, 90, 91, 92, 93,
4547 217, 166, 170, 207, 199, 209, 206, 204,
4548 160, 212, 105, 106, 108, 109, 110, 111,
4549 203, 113, 216, 215, 192, 175, 193, 243,
4550 172, 161, 123, 124, 125, 126, 127, 128,
4551 222, 219, 211, 195, 188, 193, 185, 184,
4552 191, 183, 141, 142, 143, 144, 145, 146
4553};
4554#else /* ascii rather than ebcdic */
22c35a8c 4555EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4556 1, 2, 84, 151, 154, 155, 156, 157,
4557 165, 246, 250, 3, 158, 7, 18, 29,
4558 40, 51, 62, 73, 85, 96, 107, 118,
4559 129, 140, 147, 148, 149, 150, 152, 153,
4560 255, 182, 224, 205, 174, 176, 180, 217,
4561 233, 232, 236, 187, 235, 228, 234, 226,
4562 222, 219, 211, 195, 188, 193, 185, 184,
4563 191, 183, 201, 229, 181, 220, 194, 162,
4564 163, 208, 186, 202, 200, 218, 198, 179,
4565 178, 214, 166, 170, 207, 199, 209, 206,
4566 204, 160, 212, 216, 215, 192, 175, 173,
4567 243, 172, 161, 190, 203, 189, 164, 230,
4568 167, 248, 227, 244, 242, 255, 241, 231,
4569 240, 253, 169, 210, 245, 237, 249, 247,
4570 239, 168, 252, 251, 254, 238, 223, 221,
4571 213, 225, 177, 197, 171, 196, 159, 4,
4572 5, 6, 8, 9, 10, 11, 12, 13,
4573 14, 15, 16, 17, 19, 20, 21, 22,
4574 23, 24, 25, 26, 27, 28, 30, 31,
4575 32, 33, 34, 35, 36, 37, 38, 39,
4576 41, 42, 43, 44, 45, 46, 47, 48,
4577 49, 50, 52, 53, 54, 55, 56, 57,
4578 58, 59, 60, 61, 63, 64, 65, 66,
4579 67, 68, 69, 70, 71, 72, 74, 75,
4580 76, 77, 78, 79, 80, 81, 82, 83,
4581 86, 87, 88, 89, 90, 91, 92, 93,
4582 94, 95, 97, 98, 99, 100, 101, 102,
4583 103, 104, 105, 106, 108, 109, 110, 111,
4584 112, 113, 114, 115, 116, 117, 119, 120,
4585 121, 122, 123, 124, 125, 126, 127, 128,
4586 130, 131, 132, 133, 134, 135, 136, 137,
4587 138, 139, 141, 142, 143, 144, 145, 146
4588};
9d116dd7 4589#endif
79072805 4590#else
22c35a8c 4591EXTCONST unsigned char PL_freq[];
79072805
LW		 4592#endif
4593
8990e307
LW		 4594#ifdef DEBUGGING
4595#ifdef DOINIT
27da23d5 4596EXTCONST char* const PL_block_type[] = {
8990e307 4597 "NULL",
d01136d6 4598 "WHEN",
8990e307 4599 "BLOCK",
0d863452 4600 "GIVEN",
d01136d6
BS		 4601 "LOOP_FOR",
4602 "LOOP_PLAIN",
4603 "LOOP_LAZYSV",
4604 "LOOP_LAZYIV",
76753e7f
NC		 4605 "SUB",
4606 "FORMAT",
4607 "EVAL",
4608 "SUBST"
8990e307
LW		 4609};
4610#else
22c35a8c 4611EXTCONST char* PL_block_type[];
8990e307
LW		 4612#endif
4613#endif
4614
b75885fd
NC		 4615/* These are all the compile time options that affect binary compatibility.
4616 Other compile time options that are binary compatible are in perl.c
4617 Both are combined for the output of perl -V
4618 However, this string will be embedded in any shared perl library, which will
4619 allow us add a comparison check in perlmain.c in the near future. */
4620#ifdef DOINIT
4621EXTCONST char PL_bincompat_options[] =
4622# ifdef DEBUG_LEAKING_SCALARS
4623 " DEBUG_LEAKING_SCALARS"
4624# endif
4625# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4626 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4627# endif
4628# ifdef FAKE_THREADS
4629 " FAKE_THREADS"
4630# endif
4631# ifdef MULTIPLICITY
4632 " MULTIPLICITY"
4633# endif
4634# ifdef MYMALLOC
4635 " MYMALLOC"
4636# endif
4637# ifdef PERL_DEBUG_READONLY_OPS
4638 " PERL_DEBUG_READONLY_OPS"
4639# endif
4640# ifdef PERL_GLOBAL_STRUCT
4641 " PERL_GLOBAL_STRUCT"
4642# endif
4643# ifdef PERL_IMPLICIT_CONTEXT
4644 " PERL_IMPLICIT_CONTEXT"
4645# endif
4646# ifdef PERL_IMPLICIT_SYS
4647 " PERL_IMPLICIT_SYS"
4648# endif
4649# ifdef PERL_MAD
4650 " PERL_MAD"
4651# endif
4652# ifdef PERL_NEED_APPCTX
4653 " PERL_NEED_APPCTX"
4654# endif
4655# ifdef PERL_NEED_TIMESBASE
4656 " PERL_NEED_TIMESBASE"
4657# endif
4658# ifdef PERL_OLD_COPY_ON_WRITE
4659 " PERL_OLD_COPY_ON_WRITE"
4660# endif
4661# ifdef PERL_POISON
4662 " PERL_POISON"
4663# endif
4664# ifdef PERL_TRACK_MEMPOOL
4665 " PERL_TRACK_MEMPOOL"
4666# endif
4667# ifdef PERL_USES_PL_PIDSTATUS
4668 " PERL_USES_PL_PIDSTATUS"
4669# endif
4670# ifdef PL_OP_SLAB_ALLOC
4671 " PL_OP_SLAB_ALLOC"
4672# endif
4673# ifdef THREADS_HAVE_PIDS
4674 " THREADS_HAVE_PIDS"
4675# endif
4676# ifdef USE_64_BIT_ALL
4677 " USE_64_BIT_ALL"
4678# endif
4679# ifdef USE_64_BIT_INT
4680 " USE_64_BIT_INT"
4681# endif
c7b392fa
NC		 4682# ifdef USE_IEEE
4683 " USE_IEEE"
4684# endif
b75885fd
NC		 4685# ifdef USE_ITHREADS
4686 " USE_ITHREADS"
4687# endif
4688# ifdef USE_LARGE_FILES
4689 " USE_LARGE_FILES"
4690# endif
4691# ifdef USE_LONG_DOUBLE
4692 " USE_LONG_DOUBLE"
4693# endif
4694# ifdef USE_PERLIO
4695 " USE_PERLIO"
4696# endif
4697# ifdef USE_REENTRANT_API
4698 " USE_REENTRANT_API"
4699# endif
4700# ifdef USE_SFIO
4701 " USE_SFIO"
4702# endif
4703# ifdef USE_SOCKS
4704 " USE_SOCKS"
4705# endif
4f575702
CB		 4706# ifdef VMS_DO_SOCKETS
4707 " VMS_DO_SOCKETS"
4f575702
CB		 4708# endif
4709# ifdef VMS_WE_ARE_CASE_SENSITIVE
4710 " VMS_SYMBOL_CASE_AS_IS"
4711# endif
e8b231c6
CB		 4712# ifdef VMS_SHORTEN_LONG_SYMBOLS
4713 " VMS_SHORTEN_LONG_SYMBOLS"
4714# endif
a68dd89e 4715 "";
b75885fd
NC		 4716#else
4717EXTCONST char PL_bincompat_options[];
4718#endif
4719
9ebf26ad
FR		 4720/* The interpreter phases. If these ever change, PL_phase_names right below will
4721 * need to be updated accordingly. */
4722enum perl_phase {
4723 PERL_PHASE_CONSTRUCT = 0,
4724 PERL_PHASE_START = 1,
4725 PERL_PHASE_CHECK = 2,
4726 PERL_PHASE_INIT = 3,
4727 PERL_PHASE_RUN = 4,
4728 PERL_PHASE_END = 5,
4729 PERL_PHASE_DESTRUCT = 6
4730};
4731
4732#ifdef DOINIT
4733EXTCONST char *const PL_phase_names[] = {
4734 "CONSTRUCT",
4735 "START",
4736 "CHECK",
4737 "INIT",
4738 "RUN",
4739 "END",
4740 "DESTRUCT"
4741};
4742#else
4743EXTCONST char *const PL_phase_names[];
4744#endif
4745
627364f1
FR		 4746#ifndef PERL_CORE
4747/* Do not use this macro. It only exists for extensions that rely on PL_dirty
4748 * instead of using the newer PL_phase, which provides everything PL_dirty
4749 * provided, and more. */
4750# define PL_dirty (PL_phase == PERL_PHASE_DESTRUCT)
4751#endif /* !PERL_CORE */
4752
73c4f7a1
GS		 4753END_EXTERN_C
4754
79072805
LW		 4755/*****************************************************************************/
4756/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4757/*****************************************************************************/
8990e307 4758/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4759
d4c3c482 4760#ifdef __Lynx__
9cffb111
OS		 4761/* LynxOS defines these in scsi.h which is included via ioctl.h */
4762#ifdef FORMAT
4763#undef FORMAT
4764#endif
4765#ifdef SPACE
4766#undef SPACE
4767#endif
d4c3c482 4768#endif
9cffb111 4769
fb73857a 4770#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4771
79072805
LW		 4772typedef enum {
4773 XOPERATOR,
4774 XTERM,
79072805 4775 XREF,
8990e307 4776 XSTATE,
a0d0e21e 4777 XBLOCK,
09bef843
SB		 4778 XATTRBLOCK,
4779 XATTRTERM,
6f33ba73
RGS		 4780 XTERMBLOCK,
4781 XTERMORDORDOR /* evil hack */
27308ded 4782 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4783} expectation;
4784
d5ec2987
NC		 4785/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4786 special and there is no need for HINT_PRIVATE_MASK for COPs
4787 However, bitops store HINT_INTEGER in their op_private. */
9cfe5470
RGS		 4788#define HINT_INTEGER 0x00000001 /* integer pragma */
4789#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4790#define HINT_LOCALE 0x00000004 /* locale pragma */
4791#define HINT_BYTES 0x00000008 /* bytes pragma */
7b0bddfa 4792#define HINT_ARYBASE 0x00000010 /* $[ is non-zero */
a0ed51b3 4793 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 4794 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 4795
4796#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4797#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4798#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
1863b879 4799#define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */
85e6fe83 4800
9cfe5470 4801/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4802#define HINT_NEW_INTEGER 0x00001000
4803#define HINT_NEW_FLOAT 0x00002000
4804#define HINT_NEW_BINARY 0x00004000
4805#define HINT_NEW_STRING 0x00008000
4806#define HINT_NEW_RE 0x00010000
4807#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 4808#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4809#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 4810
9cfe5470
RGS		 4811#define HINT_RE_TAINT 0x00100000 /* re pragma */
4812#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4813
9cfe5470
RGS		 4814#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4815#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4816
e46c382e
YK		 4817#define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
4818
1e215989
FC		 4819#define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */
4820
0239f47c 4821/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4822#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4823#define HINT_SORT_QUICKSORT 0x00000001
4824#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4825#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4826
8bfdd7d9 4827/* Various states of the input record separator SV (rs) */
d4cce5f1 4828#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4829#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4830#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4831#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4832
128e8167 4833/* A struct for keeping various DEBUGGING related stuff,
ce333219 4834 * neatly packed. Currently only scratch variables for
128e8167
JH		 4835 * constructing debug output are included. Needed always,
4836 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4837struct perl_debug_pad {
4838 SV pad[3];
4839};
4840
4841#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4842#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4843 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4844 PERL_DEBUG_PAD(i))
ce333219 4845
56953603 4846/* Enable variables which are pointers to functions */
16c91539
BM		 4847typedef void (*peep_t)(pTHX_ OP* o);
4848typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm);
4849typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg,
0cb96387
GS		 4850 char* strend, char* strbeg, I32 minend,
4851 SV* screamer, void* data, U32 flags);
16c91539 4852typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv,
f722798b
IZ		 4853 char *strpos, char *strend,
4854 U32 flags,
9f61653a 4855 re_scream_pos_data *d);
16c91539
BM		 4856typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog);
4857typedef void (*regfree_t) (pTHX_ struct regexp* r);
4858typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param);
a932d541 4859typedef I32 (*re_fold_t)(const char *, char const *, I32);
56953603 4860
c76ac1ee 4861typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc 4862typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
f30de749 4863typedef void (*SVFUNC_t) (pTHX_ SV* const);
31e9e0a3 4864typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
acfe0abc
GS		 4865typedef void (*XSINIT_t) (pTHX);
4866typedef void (*ATEXIT_t) (pTHX_ void*);
4867typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4868
16c91539
BM		 4869typedef OP* (*Perl_ppaddr_t)(pTHX);
4870typedef OP* (*Perl_check_t) (pTHX_ OP*);
4871typedef void(*Perl_ophook_t)(pTHX_ OP*);
4872typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**);
1830b3d9 4873typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *);
88e1f1a2
JV		 4874
4875#define KEYWORD_PLUGIN_DECLINE 0
4876#define KEYWORD_PLUGIN_STMT 1
4877#define KEYWORD_PLUGIN_EXPR 2
22239a37 4878
58a50f62
GS		 4879/* Interpreter exitlist entry */
4880typedef struct exitlistentry {
acfe0abc 4881 void (*fn) (pTHX_ void*);
58a50f62
GS		 4882 void *ptr;
4883} PerlExitListEntry;
4884
aadb217d
JH		 4885/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4886/* These have to be before perlvars.h */
4887#if !defined(HAS_SIGACTION) && defined(VMS)
4888# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4889#endif
4890/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4891#if defined(KILL_BY_SIGPRC)
4892# define FAKE_DEFAULT_SIGNAL_HANDLERS
4893#endif
4894
8c1cc017
NC		 4895#if !defined(MULTIPLICITY)
4896
4897struct interpreter {
4898 char broiled;
22239a37
NIS		 4899};
4900
8c1cc017 4901#else
22239a37 4902
d460ef45 4903/* If we have multiple interpreters define a struct
d4cce5f1 4904 holding variables which must be per-interpreter
d460ef45 4905 If we don't have threads anything that would have
d4cce5f1
NIS		 4906 be per-thread is per-interpreter.
4907*/
4908
8c1cc017
NC		 4909/* Set up PERLVAR macros for populating structs */
4910# define PERLVAR(var,type) type var;
4911# define PERLVARA(var,n,type) type var[n];
4912# define PERLVARI(var,type,init) type var;
4913# define PERLVARIC(var,type,init) type var;
8c1cc017 4914
79072805 4915struct interpreter {
7766f137 4916# include "intrpvar.h"
49f531da 4917};
d4cce5f1 4918
724cf8d6
NC		 4919EXTCONST U16 PL_interp_size
4920 INIT(sizeof(struct interpreter));
4921
4922# define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \
4923 STRUCT_OFFSET(struct interpreter, member) + \
4924 sizeof(((struct interpreter*)0)->member)
4925
4926/* This will be useful for subsequent releases, because this has to be the
4927 same in your libperl as in main(), else you have a mismatch and must abort.
4928*/
4929EXTCONST U16 PL_interp_size_5_16_0
4930 INIT(PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_16_0_INTERP_MEMBER));
4931
4932
8c1cc017
NC		 4933# ifdef PERL_GLOBAL_STRUCT
4934/* MULTIPLICITY is automatically defined when PERL_GLOBAL_STRUCT is defined,
4935 hence it's safe and sane to nest this within #ifdef MULTIPLICITY */
4936
4937struct perl_vars {
4938# include "perlvars.h"
49f531da 4939};
8c1cc017 4940
724cf8d6
NC		 4941EXTCONST U16 PL_global_struct_size
4942 INIT(sizeof(struct perl_vars));
4943
8c1cc017
NC		 4944# ifdef PERL_CORE
4945# ifndef PERL_GLOBAL_STRUCT_PRIVATE
4946EXT struct perl_vars PL_Vars;
4947EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
4948# undef PERL_GET_VARS
4949# define PERL_GET_VARS() PL_VarsPtr
4950# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
4951# else /* PERL_CORE */
4952# if !defined(__GNUC__) || !defined(WIN32)
4953EXT
4954# endif /* WIN32 */
4955struct perl_vars *PL_VarsPtr;
4956# define PL_Vars (*((PL_VarsPtr) \
4957 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
4958# endif /* PERL_CORE */
4959# endif /* PERL_GLOBAL_STRUCT */
79072805 4960
22239a37 4961/* Done with PERLVAR macros for now ... */
8c1cc017
NC		 4962# undef PERLVAR
4963# undef PERLVARA
4964# undef PERLVARI
4965# undef PERLVARIC
8c1cc017
NC		 4966
4967#endif /* MULTIPLICITY */
79072805 4968
f7fe979e 4969struct tempsym; /* defined in pp_pack.c */
49704364 4970
22239a37 4971#include "thread.h"
79072805 4972#include "pp.h"
864dbfa3
GS		 4973
4974#ifndef PERL_CALLCONV
a0c21aa1
JH		 4975# ifdef __cplusplus
4976# define PERL_CALLCONV extern "C"
4977# else
4978# define PERL_CALLCONV
4979# endif
d460ef45 4980#endif
0cb96387
GS		 4981#undef PERL_CKDEF
4982#undef PERL_PPDEF
0159f81b
JH		 4983#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
4984#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 4985
158cfab6
JD		 4986#ifdef MYMALLOC
4987# include "malloc_ctl.h"
4988#endif
4989
7766f137 4990#include "proto.h"
864dbfa3 4991
0cb96387 4992/* this has structure inits, so it cannot be included before here */
acfe0abc 4993#include "opcode.h"
864dbfa3 4994
d4cce5f1
NIS		 4995/* The following must follow proto.h as #defines mess up syntax */
4996
22c35a8c
GS		 4997#if !defined(PERL_FOR_X2P)
4998# include "embedvar.h"
4999#endif
598921a7
NC		 5000#ifndef PERL_MAD
5001# undef PL_madskills
5002# undef PL_xmlfp
5003# define PL_madskills 0
5004# define PL_xmlfp 0
5005#endif
d4cce5f1 5006
d460ef45 5007/* Now include all the 'global' variables
d4cce5f1 5008 * If we don't have threads or multiple interpreters
d460ef45 5009 * these include variables that would have been their struct-s
d4cce5f1 5010 */
d460ef45 5011
533c011a 5012#define PERLVAR(var,type) EXT type PL_##var;
51371543 5013#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 5014#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
5015#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 5016
acfe0abc 5017#if !defined(MULTIPLICITY)
7766f137 5018START_EXTERN_C
066ef5b5 5019# include "intrpvar.h"
7766f137 5020END_EXTERN_C
22239a37
NIS		 5021#endif
5022
24792b8d
NC		 5023#ifdef PERL_CORE
5024/* All core uses now exterminated. Ensure no zombies can return: */
5025# undef PL_na
5026#endif
5027
acfe0abc 5028#if defined(WIN32)
66a93824 5029/* Now all the config stuff is setup we can include embed.h */
22c35a8c 5030# include "embed.h"
eb8433b7
NC		 5031# ifndef PERL_MAD
5032# undef op_getmad
b3f24c00 5033# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 5034# endif
acfe0abc 5035#endif
22239a37 5036
c5be433b
GS		 5037#ifndef PERL_GLOBAL_STRUCT
5038START_EXTERN_C
5039
5040# include "perlvars.h"
5041
5042END_EXTERN_C
5043#endif
5044
d4cce5f1 5045#undef PERLVAR
51371543 5046#undef PERLVARA
d4cce5f1 5047#undef PERLVARI
0f3f18a6 5048#undef PERLVARIC
79072805 5049
73c4f7a1
GS		 5050START_EXTERN_C
5051
af2f0da9
NC		 5052/* dummy variables that hold pointers to both runops functions, thus forcing
5053 * them *both* to get linked in (useful for Peek.xs, debugging etc) */
5054
5055EXTCONST runops_proc_t PL_runops_std
5056 INIT(Perl_runops_standard);
5057EXTCONST runops_proc_t PL_runops_dbg
5058 INIT(Perl_runops_debug);
5059
bc028b6b
JH		 5060/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
5061 * magic vtables const, but this is incompatible with SWIG which
5062 * does want to modify the vtables. */
5063#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5064# define EXT_MGVTBL EXTCONST MGVTBL
5065#else
5066# define EXT_MGVTBL EXT MGVTBL
5067#endif
5068
82ff486e 5069#define PERL_MAGIC_READONLY_ACCEPTABLE 0x40
e0a73de4
NC		 5070#define PERL_MAGIC_VALUE_MAGIC 0x80
5071#define PERL_MAGIC_VTABLE_MASK 0x3F
82ff486e
NC		 5072#define PERL_MAGIC_TYPE_READONLY_ACCEPTABLE(t) \
5073 (PL_magic_data[(U8)(t)] & PERL_MAGIC_READONLY_ACCEPTABLE)
e0a73de4
NC		 5074#define PERL_MAGIC_TYPE_IS_VALUE_MAGIC(t) \
5075 (PL_magic_data[(U8)(t)] & PERL_MAGIC_VALUE_MAGIC)
5076
8b09643d 5077#include "mg_vtable.h"
6f83ef0e
NC		 5078
5079#ifdef DOINIT
5080EXTCONST U8 PL_magic_data[256] =
5081#include "mg_data.h"
5082;
5083#else
5084EXTCONST U8 PL_magic_data[256];
5085#endif
5086
bab3dc31 5087#include "overload.h"
a0d0e21e 5088
73c4f7a1
GS		 5089END_EXTERN_C
5090
a6006777 5091struct am_table {
8978b4ac
NC		 5092 U8 flags;
5093 U8 fallback;
5094 U16 spare;
eb160463 5095 U32 was_ok_sub;
a0d0e21e 5096 long was_ok_am;
9bd87817 5097 CV* table[NofAMmeth];
a0d0e21e 5098};
a6006777 5099struct am_table_short {
8978b4ac
NC		 5100 U8 flags;
5101 U8 fallback;
5102 U16 spare;
eb160463 5103 U32 was_ok_sub;
a6006777 5104 long was_ok_am;
a6006777 5105};
a0d0e21e 5106typedef struct am_table AMT;
a6006777 5107typedef struct am_table_short AMTS;
a0d0e21e
LW		 5108
5109#define AMGfallNEVER 1
5110#define AMGfallNO 2
5111#define AMGfallYES 3
5112
a6006777 5113#define AMTf_AMAGIC 1
32251b26 5114#define AMTf_OVERLOADED 2
a6006777 5115#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5116#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5117#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 5118#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
5119#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
5120#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 5121
32251b26 5122#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5123
5124/*
5125 * some compilers like to redefine cos et alia as faster
5126 * (and less accurate?) versions called F_cos et cetera (Quidquid
5127 * latine dictum sit, altum viditur.) This trick collides with
5128 * the Perl overloading (amg). The following #defines fool both.
5129 */
5130
5131#ifdef _FASTMATH
5132# ifdef atan2
5133# define F_atan2_amg atan2_amg
5134# endif
5135# ifdef cos
5136# define F_cos_amg cos_amg
5137# endif
5138# ifdef exp
5139# define F_exp_amg exp_amg
5140# endif
5141# ifdef log
5142# define F_log_amg log_amg
5143# endif
5144# ifdef pow
5145# define F_pow_amg pow_amg
5146# endif
5147# ifdef sin
5148# define F_sin_amg sin_amg
5149# endif
5150# ifdef sqrt
5151# define F_sqrt_amg sqrt_amg
5152# endif
5153#endif /* _FASTMATH */
5154
83ee9e09
GS		 5155#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5156 PERLDBf_NOOPT | PERLDBf_INTER | \
5157 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
b8fcbefe
NC		 5158 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5159 PERLDBf_SAVESRC)
925cfbb8 5160 /* No _NONAME, _GOTO */
83ee9e09
GS		 5161#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5162#define PERLDBf_LINE 0x02 /* Keep line # */
5163#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5164#define PERLDBf_INTER 0x08 /* Preserve more data for
5165 later inspections */
5166#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5167#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5168#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5169#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5170#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5171#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
b8fcbefe 5172#define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
486ec47a 5173#define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */
c30d8139 5174#define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
84902520 5175
3280af22
NIS		 5176#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5177#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5178#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5179#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5180#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5181#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5182#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5183#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5184#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5185#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
b8fcbefe 5186#define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC))
c30d8139
NC		 5187#define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS))
5188#define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID))
bbce6d69 5189
36477c24 5190#ifdef USE_LOCALE_NUMERIC
bbce6d69 5191
36477c24 5192#define SET_NUMERIC_STANDARD() \
ff4fed7c 5193 set_numeric_standard();
36477c24 5194
5195#define SET_NUMERIC_LOCAL() \
ff4fed7c 5196 set_numeric_local();
bbce6d69 5197
a98fe34d 5198#define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE)
2de3dbcc
JH		 5199#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
5200
5201#define IN_LOCALE \
923e4eb5 5202 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
2de3dbcc 5203
f93f4e46 5204#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 5205 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 5206 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 5207
5208#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 5209 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 5210 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 5211
5212#define RESTORE_NUMERIC_LOCAL() \
5213 if (was_local) SET_NUMERIC_LOCAL();
5214
5215#define RESTORE_NUMERIC_STANDARD() \
5216 if (was_standard) SET_NUMERIC_STANDARD();
5217
5b877257 5218#define Atof my_atof
097ee67d 5219
36477c24 5220#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5221
097ee67d
JH		 5222#define SET_NUMERIC_STANDARD() /**/
5223#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5224#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5225#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5226#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 5227#define RESTORE_NUMERIC_LOCAL() /**/
5228#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 5229#define Atof my_atof
ad3e0f90 5230#define IN_LOCALE_RUNTIME 0
bbce6d69 5231
36477c24 5232#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5233
079290de 5234#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5235# ifdef __hpux
5236# define strtoll __strtoll /* secret handshake */
5237# endif
c623ac67
GS		 5238# ifdef WIN64
5239# define strtoll _strtoi64 /* secret handshake */
5240# endif
079290de
GS		 5241# if !defined(Strtol) && defined(HAS_STRTOLL)
5242# define Strtol strtoll
ad551343 5243# endif
28e5dec8
JH		 5244# if !defined(Strtol) && defined(HAS_STRTOQ)
5245# define Strtol strtoq
5246# endif
ff935051 5247/* is there atoq() anywhere? */
15b99d39 5248#endif
079290de
GS		 5249#if !defined(Strtol) && defined(HAS_STRTOL)
5250# define Strtol strtol
5251#endif
5252#ifndef Atol
5253/* It would be more fashionable to use Strtol() to define atol()
5254 * (as is done for Atoul(), see below) but for backward compatibility
5255 * we just assume atol(). */
76b882ba 5256# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 5257# ifdef WIN64
5258# define atoll _atoi64 /* secret handshake */
5259# endif
76b882ba
JH		 5260# define Atol atoll
5261# else
5262# define Atol atol
5263# endif
cf2093f6
JH		 5264#endif
5265
55eb892c 5266#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5267# ifdef __hpux
5268# define strtoull __strtoull /* secret handshake */
5269# endif
c623ac67
GS		 5270# ifdef WIN64
5271# define strtoull _strtoui64 /* secret handshake */
5272# endif
ad551343 5273# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5274# define Strtoul strtoull
15b99d39 5275# endif
079290de
GS		 5276# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5277# define Strtoul strtouq
5278# endif
76d49b1c 5279/* is there atouq() anywhere? */
ad551343 5280#endif
079290de
GS		 5281#if !defined(Strtoul) && defined(HAS_STRTOUL)
5282# define Strtoul strtoul
cf2093f6 5283#endif
a5523c5b
JH		 5284#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5285# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5286#endif
079290de 5287#ifndef Atoul
d4c19fe8 5288# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5289#endif
cf2093f6 5290
760ac839 5291
06d86050
GS		 5292/* if these never got defined, they need defaults */
5293#ifndef PERL_SET_CONTEXT
5294# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5295#endif
5296
5297#ifndef PERL_GET_CONTEXT
5298# define PERL_GET_CONTEXT PERL_GET_INTERP
5299#endif
5300
5301#ifndef PERL_GET_THX
5302# define PERL_GET_THX ((void*)NULL)
5303#endif
5304
5305#ifndef PERL_SET_THX
5306# define PERL_SET_THX(t) NOOP
5307#endif
5308
a868473f
NIS		 5309#ifndef PERL_SCRIPT_MODE
5310#define PERL_SCRIPT_MODE "r"
5311#endif
5312
fba3b22e 5313/*
da927450
JH		 5314 * Some operating systems are stingy with stack allocation,
5315 * so perl may have to guard against stack overflow.
5316 */
5317#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5318#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5319#endif
5320
5321/*
5322 * Some nonpreemptive operating systems find it convenient to
5323 * check for asynchronous conditions after each op execution.
5324 * Keep this check simple, or it may slow down execution
5325 * massively.
5326 */
ce08f86c 5327
1d615522 5328#ifndef PERL_MICRO
4ffa73a3 5329# ifndef PERL_ASYNC_CHECK
16c91539 5330# define PERL_ASYNC_CHECK() if (PL_sig_pending) PL_signalhook(aTHX)
4ffa73a3 5331# endif
ce08f86c
NIS		 5332#endif
5333
da927450 5334#ifndef PERL_ASYNC_CHECK
1d615522 5335# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5336#endif
5337
5338/*
5339 * On some operating systems, a memory allocation may succeed,
5340 * but put the process too close to the system's comfort limit.
5341 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5342 * it to NULL.
5343 */
5344#ifndef PERL_ALLOC_CHECK
c2af87cb 5345#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5346#endif
5347
bd89102f
AD		 5348#ifdef HAS_SEM
5349# include <sys/ipc.h>
5350# include <sys/sem.h>
5351# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5352 union semun {
dbba660d
TC		 5353 int val;
5354 struct semid_ds *buf;
5355 unsigned short *array;
bd89102f
AD		 5356 };
5357# endif
5358# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5359# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5360 union gccbug_semun {
5361 int val;
5362 struct semid_ds *buf;
5363 unsigned short *array;
5364 char __dummy[5];
5365 };
5366# define semun gccbug_semun
5367# endif
bd89102f
AD		 5368# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5369# else
5370# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5371# ifdef EXTRA_F_IN_SEMUN_BUF
5372# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5373# else
5374# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5375# endif
bd89102f
AD		 5376# endif
5377# endif
bd89102f 5378#endif
49f531da 5379
89ca4ac7
JH		 5380/*
5381 * Boilerplate macros for initializing and accessing interpreter-local
5382 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 5383 * this, if you want to make the extension thread-safe. See
5384 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5385 * and perlxs.pod for more.
89ca4ac7
JH		 5386 *
5387 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5388 * 1. #define MY_CXT_KEY to a unique string, e.g.
5389 * "DynaLoader::_guts" XS_VERSION
f16dd614 5390 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5391 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5392 * all the data that needs to be interpreter-local.
5393 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5394 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5395 * (typically put in the BOOT: section).
5396 * 5. Use the members of the my_cxt_t structure everywhere as
5397 * MY_CXT.member.
5398 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5399 * access MY_CXT.
5400 */
5401
fc958cd2 5402#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 5403
4eddb856 5404/* START_MY_CXT must appear in all extensions that define a my_cxt_t structure,
53d44271
JH		 5405 * right after the definition (i.e. at file scope). The non-threads
5406 * case below uses it to declare the data as static. */
00ab59c9
DM		 5407# ifdef PERL_GLOBAL_STRUCT_PRIVATE
5408# define START_MY_CXT
5409# define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5410# define MY_CXT_INIT_ARG MY_CXT_KEY
5411# else
5412# define START_MY_CXT static int my_cxt_index = -1;
5413# define MY_CXT_INDEX my_cxt_index
5414# define MY_CXT_INIT_ARG &my_cxt_index
5415# endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
53d44271
JH		 5416
5417/* Creates and zeroes the per-interpreter data.
5418 * (We allocate my_cxtp in a Perl SV so that it will be released when
5419 * the interpreter goes away.) */
00ab59c9 5420# define MY_CXT_INIT \
53d44271 5421 my_cxt_t *my_cxtp = \
27cbf00a 5422 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t))
00ab59c9 5423# define MY_CXT_INIT_INTERP(my_perl) \
53d44271 5424 my_cxt_t *my_cxtp = \
27cbf00a 5425 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t))
53d44271
JH		 5426
5427/* This declaration should be used within all functions that use the
5428 * interpreter-local data. */
00ab59c9 5429# define dMY_CXT \
53d44271 5430 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
00ab59c9 5431# define dMY_CXT_INTERP(my_perl) \
53d44271
JH		 5432 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5433
5434/* Clones the per-interpreter data. */
00ab59c9 5435# define MY_CXT_CLONE \
53d44271
JH		 5436 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5437 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5438 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5439
53d44271 5440
89ca4ac7
JH		 5441/* This macro must be used to access members of the my_cxt_t structure.
5442 * e.g. MYCXT.some_data */
00ab59c9 5443# define MY_CXT (*my_cxtp)
89ca4ac7
JH		 5444
5445/* Judicious use of these macros can reduce the number of times dMY_CXT
5446 * is used. Use is similar to pTHX, aTHX etc. */
00ab59c9
DM		 5447# define pMY_CXT my_cxt_t *my_cxtp
5448# define pMY_CXT_ pMY_CXT,
5449# define _pMY_CXT ,pMY_CXT
5450# define aMY_CXT my_cxtp
5451# define aMY_CXT_ aMY_CXT,
5452# define _aMY_CXT ,aMY_CXT
89ca4ac7 5453
f16dd614 5454#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7 5455
00ab59c9
DM		 5456# define START_MY_CXT static my_cxt_t my_cxt;
5457# define dMY_CXT_SV dNOOP
5458# define dMY_CXT dNOOP
5459# define dMY_CXT_INTERP(my_perl) dNOOP
5460# define MY_CXT_INIT NOOP
5461# define MY_CXT_CLONE NOOP
5462# define MY_CXT my_cxt
5463
5464# define pMY_CXT void
5465# define pMY_CXT_
5466# define _pMY_CXT
5467# define aMY_CXT
5468# define aMY_CXT_
5469# define _aMY_CXT
89ca4ac7 5470
f16dd614 5471#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5472
9a34ef1d
GS		 5473#ifdef I_FCNTL
5474# include <fcntl.h>
9a34ef1d
GS		 5475#endif
5476
9cffb111
OS		 5477#ifdef __Lynx__
5478# include <fcntl.h>
5479#endif
5480
9a34ef1d
GS		 5481#ifdef I_SYS_FILE
5482# include <sys/file.h>
5483#endif
5484
fa0a29af 5485#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5486int flock(int fd, int op);
5487#endif
5488
fe52b3b7
GS		 5489#ifndef O_RDONLY
5490/* Assume UNIX defaults */
5491# define O_RDONLY 0000
5492# define O_WRONLY 0001
5493# define O_RDWR 0002
5494# define O_CREAT 0100
5495#endif
9a34ef1d 5496
16fe6d59
GS		 5497#ifndef O_BINARY
5498# define O_BINARY 0
5499#endif
5500
5501#ifndef O_TEXT
5502# define O_TEXT 0
5503#endif
5504
6ce75a77
JH		 5505#if O_TEXT != O_BINARY
5506 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5507 * that is, you are somehow DOSish. */
df00ff3b
IW		 5508# if defined(__BEOS__) || defined(__HAIKU__) || defined(__VOS__) || \
5509 defined(__CYGWIN__)
5510 /* BeOS/Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5511 * BeOS/Haiku is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5512 /* VOS has O_TEXT != O_BINARY, and they have effect,
5513 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5514 /* If you have O_TEXT different from your O_BINARY but you still are
5515 * not a CRLF shop. */
35990314 5516# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5517# else
5518 /* If you really are DOSish. */
5519# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5520# endif
5521#endif
5522
4bc88a62
PS		 5523#ifdef I_LIBUTIL
5524# include <libutil.h> /* setproctitle() in some FreeBSDs */
5525#endif
5526
b4748376 5527#ifndef EXEC_ARGV_CAST
360ea906 5528#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 5529#endif
5530
dd5dc04f
JH		 5531#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5532 int). value returned in pointed-
5533 to UV */
5534#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5535#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5536#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5537#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5538#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5539
5540#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5541
53305cf1
NC		 5542/* Input flags: */
5543#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5544#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5545#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 5546/* Output flags: */
5547#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5548
2c4f7f0e
DM		 5549/* to let user control profiling */
5550#ifdef PERL_GPROF_CONTROL
5551extern void moncontrol(int);
5552#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5553#else
5554#define PERL_GPROF_MONCONTROL(x)
5555#endif
5556
ae0e3d3b
JH		 5557#ifdef UNDER_CE
5558#include "wince.h"
5559#endif
5560
5561/* ISO 6429 NEL - C1 control NExt Line */
5562/* See http://www.unicode.org/unicode/reports/tr13/ */
5563#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
5564# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
5565# define NEXT_LINE_CHAR 0x15
5566# else /* CDRA */
5567# define NEXT_LINE_CHAR 0x25
5568# endif
5569#else
5570# define NEXT_LINE_CHAR 0x85
5571#endif
5572
5573/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5574#define UNICODE_LINE_SEPA_0 0xE2
5575#define UNICODE_LINE_SEPA_1 0x80
5576#define UNICODE_LINE_SEPA_2 0xA8
5577#define UNICODE_PARA_SEPA_0 0xE2
5578#define UNICODE_PARA_SEPA_1 0x80
5579#define UNICODE_PARA_SEPA_2 0xA9
5580
479b2847
GS		 5581#ifndef PIPESOCK_MODE
5582# define PIPESOCK_MODE
5583#endif
5584
460c8493
IZ		 5585#ifndef SOCKET_OPEN_MODE
5586# define SOCKET_OPEN_MODE PIPESOCK_MODE
5587#endif
5588
5589#ifndef PIPE_OPEN_MODE
5590# define PIPE_OPEN_MODE PIPESOCK_MODE
5591#endif
5592
7e8c5dac
HS		 5593#define PERL_MAGIC_UTF8_CACHESIZE 2
5594
a05d7ebb
JH		 5595#define PERL_UNICODE_STDIN_FLAG 0x0001
5596#define PERL_UNICODE_STDOUT_FLAG 0x0002
5597#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5598#define PERL_UNICODE_IN_FLAG 0x0008
5599#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5600#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5601#define PERL_UNICODE_LOCALE_FLAG 0x0040
5602#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 5603#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 5604
06e66572
JH		 5605#define PERL_UNICODE_STD_FLAG \
5606 (PERL_UNICODE_STDIN_FLAG | \
5607 PERL_UNICODE_STDOUT_FLAG | \
5608 PERL_UNICODE_STDERR_FLAG)
5609
5610#define PERL_UNICODE_INOUT_FLAG \
5611 (PERL_UNICODE_IN_FLAG | \
5612 PERL_UNICODE_OUT_FLAG)
5613
5614#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5615 (PERL_UNICODE_STD_FLAG | \
5616 PERL_UNICODE_INOUT_FLAG | \
5617 PERL_UNICODE_LOCALE_FLAG)
5618
5a22a2bb 5619#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 5620
5621#define PERL_UNICODE_STDIN 'I'
5622#define PERL_UNICODE_STDOUT 'O'
5623#define PERL_UNICODE_STDERR 'E'
5624#define PERL_UNICODE_STD 'S'
5625#define PERL_UNICODE_IN 'i'
5626#define PERL_UNICODE_OUT 'o'
5627#define PERL_UNICODE_INOUT 'D'
5628#define PERL_UNICODE_ARGV 'A'
5629#define PERL_UNICODE_LOCALE 'L'
5630#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 5631#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 5632
4ffa73a3
JH		 5633#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5634
32fdb065 5635/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5636 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5637#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5638
3c0f78ca
JH		 5639#if defined(__DECC) && defined(__osf__)
5640#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 5641#endif
5642
e4dba786
NC		 5643#define do_open(g, n, l, a, rm, rp, sf) \
5644 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 5645#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 5646# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 5647#endif
15871fce
NC		 5648#ifdef OS2
5649# define do_aexec Perl_do_aexec
5650#else
5651# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 5652#endif
e4dba786 5653
2f3efc97
JH		 5654#if defined(OEMVS)
5655#define NO_ENV_ARRAY_IN_MAIN
5656#endif
5657
00f254e2
KW		 5658/* These are used by Perl_pv_escape() and Perl_pv_pretty()
5659 * are here so that they are available throughout the core
10edeb5d
JH		 5660 * NOTE that even though some are for _escape and some for _pretty
5661 * there must not be any clashes as the flags from _pretty are
5662 * passed straight through to _escape.
5663 */
5664
5665#define PERL_PV_ESCAPE_QUOTE 0x0001
5666#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
5667
95b611b0 5668#define PERL_PV_PRETTY_ELLIPSES 0x0002
10edeb5d
JH		 5669#define PERL_PV_PRETTY_LTGT 0x0004
5670
5671#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
5672
00f254e2 5673#define PERL_PV_ESCAPE_UNI 0x0100
10edeb5d 5674#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
681f01c2 5675#define PERL_PV_ESCAPE_NONASCII 0x0400
10edeb5d
JH		 5676
5677#define PERL_PV_ESCAPE_ALL 0x1000
5678#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
5679#define PERL_PV_ESCAPE_NOCLEAR 0x4000
44a2ac75 5680#define PERL_PV_ESCAPE_RE 0x8000
10edeb5d 5681
881a015e
NC		 5682#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
5683
10edeb5d 5684/* used by pv_display in dump.c*/
95b611b0 5685#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
c89df6cf 5686#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII
10edeb5d 5687
26ea9e12
NC		 5688#ifdef PERL_CORE
5689# define FEATURE_IS_ENABLED(name) \
5690 ((0 != (PL_hints & HINT_LOCALIZE_HH)) \
5691 && Perl_feature_is_enabled(aTHX_ STR_WITH_LEN(name)))
5692/* The longest string we pass in. */
5693# define MAX_FEATURE_LEN (sizeof("unicode_strings")-1)
5694#endif
5695
10edeb5d
JH		 5696/*
5697
5698 (KEEP THIS LAST IN perl.h!)
5699
5700 Mention
d460ef45 5701
43999f95 5702 NV_PRESERVES_UV
fe749a9f 5703
fe749a9f
JH		 5704 HAS_MKSTEMP
5705 HAS_MKSTEMPS
5706 HAS_MKDTEMP
5707
49dabb45
JH		 5708 HAS_GETCWD
5709
d59b5429 5710 HAS_MMAP
fe749a9f
JH		 5711 HAS_MPROTECT
5712 HAS_MSYNC
1e8c3fde 5713 HAS_MADVISE
fe749a9f
JH		 5714 HAS_MUNMAP
5715 I_SYSMMAN
5716 Mmap_t
5717
6b4667fc
A		 5718 NVef
5719 NVff
5720 NVgf
5721
4e0554ec 5722 HAS_UALARM
2d736872 5723 HAS_USLEEP
4e0554ec
JH		 5724
5725 HAS_SETITIMER
5726 HAS_GETITIMER
5727
5728 HAS_SENDMSG
5729 HAS_RECVMSG
5730 HAS_READV
5731 HAS_WRITEV
5732 I_SYSUIO
5733 HAS_STRUCT_MSGHDR
5734 HAS_STRUCT_CMSGHDR
5735
2765b840 5736 HAS_NL_LANGINFO
0a7020c9 5737
ae0e3d3b 5738 HAS_DIRFD
2765b840 5739
10edeb5d 5740 so that Configure picks them up.
ab3bbdeb 5741
10edeb5d 5742 (KEEP THIS LAST IN perl.h!)
3df15adc 5743
10edeb5d 5744*/
3df15adc 5745
85e6fe83 5746#endif /* Include guard */
e9a8c099
MHM		 5747
5748/*
5749 * Local variables:
5750 * c-indentation-style: bsd
5751 * c-basic-offset: 4
5752 * indent-tabs-mode: t
5753 * End:
5754 *
5755 * ex: set ts=8 sts=4 sw=4 noet:
5756 */
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