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Make $FH no longer a global
[perl5.git] / perl.h
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a0d0e21e 1/* perl.h
a687059c 2 *
1129b882 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
5cd3f21a 4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
00f254e2 31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
b0f06652
VK		 37# ifndef USE_CROSS_COMPILE
38# include "config.h"
39# else
40# include "xconfig.h"
41# endif
12ae5dfc 42#endif
0cb96387 43
2c2d71f5
JH		 44/* See L<perlguts/"The Perl API"> for detailed notes on
45 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
46
ac6bedea
JH		 47/* Note that from here --> to <-- the same logic is
48 * repeated in makedef.pl, so be certain to update
49 * both places when editing. */
50
894ccb8c
JH		 51#ifdef PERL_IMPLICIT_SYS
52/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
53 so use slab allocator to avoid lots of MUTEX overhead
54 */
55# ifndef PL_OP_SLAB_ALLOC
56# define PL_OP_SLAB_ALLOC
57# endif
ba979b31
NIS		 58#endif
59
6f4183fe 60#ifdef USE_ITHREADS
acfe0abc 61# if !defined(MULTIPLICITY)
6f4183fe
GS		 62# define MULTIPLICITY
63# endif
64#endif
65
27da23d5
JH		 66#ifdef PERL_GLOBAL_STRUCT_PRIVATE
67# ifndef PERL_GLOBAL_STRUCT
68# define PERL_GLOBAL_STRUCT
69# endif
70#endif
97aff369 71
27da23d5
JH		 72#ifdef PERL_GLOBAL_STRUCT
73# ifndef MULTIPLICITY
74# define MULTIPLICITY
75# endif
76#endif
77
97aff369
JH		 78#ifdef MULTIPLICITY
79# ifndef PERL_IMPLICIT_CONTEXT
80# define PERL_IMPLICIT_CONTEXT
81# endif
82#endif
83
026fd48b
GH		 84/* undef WIN32 when building on Cygwin (for libwin32) - gph */
85#ifdef __CYGWIN__
86# undef WIN32
87# undef _WIN32
88#endif
89
27da23d5
JH		 90#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
91# ifndef SYMBIAN
92# define SYMBIAN
93# endif
94#endif
95
a0fd4948 96#ifdef __SYMBIAN32__
27da23d5
JH		 97# include "symbian/symbian_proto.h"
98#endif
99
100/* Any stack-challenged places. The limit varies (and often
101 * is configurable), but using more than a kilobyte of stack
102 * is usually dubious in these systems. */
a0fd4948 103#if defined(EPOC) || defined(__SYMBIAN32__)
27da23d5
JH		 104/* EPOC/Symbian: need to work around the SDK features. *
105 * On WINS: MS VC5 generates calls to _chkstk, *
106 * if a "large" stack frame is allocated. *
107 * gcc on MARM does not generate calls like these. */
108# define USE_HEAP_INSTEAD_OF_STACK
109#endif
110
111#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 112/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 113#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 114# define USE_REENTRANT_API
115#endif
116
ac6bedea
JH		 117/* <--- here ends the logic shared by perl.h and makedef.pl */
118
af28e889 119/*
6239f2da
JH		 120 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
121 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 122 * __bsdi__ for BSD/OS
123 */
6239f2da 124#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 125# ifndef BSDish
126# define BSDish
127# endif
128#endif
129
cf5a8da6
MHM		 130#undef START_EXTERN_C
131#undef END_EXTERN_C
132#undef EXTERN_C
133#ifdef __cplusplus
134# define START_EXTERN_C extern "C" {
135# define END_EXTERN_C }
136# define EXTERN_C extern "C"
137#else
138# define START_EXTERN_C
139# define END_EXTERN_C
140# define EXTERN_C extern
141#endif
142
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
bafdc25d
NC		 357/* cea2e8a9dd23747f accidentally lost the comment originally from the first
358 check in of thread.h, explaining why we need dNOOP at all: */
359/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
360/* Declaring a *function*, instead of a variable, ensures that we don't rely
361 on being able to suppress "unused" warnings. */
362#define dNOOP extern int Perl___notused()
71be2cbc 363
0cb96387 364#ifndef pTHX
e8dda941
JD		 365/* Don't bother defining tTHX and sTHX; using them outside
366 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
367 */
0cb96387
GS		 368# define pTHX void
369# define pTHX_
0cb96387
GS		 370# define aTHX
371# define aTHX_
0cb96387
GS		 372# define dTHXa(a) dNOOP
373# define dTHX dNOOP
894356b3
GS		 374# define pTHX_1 1
375# define pTHX_2 2
376# define pTHX_3 3
377# define pTHX_4 4
3d42dc86
RGS		 378# define pTHX_5 5
379# define pTHX_6 6
a3b680e6
AL		 380# define pTHX_7 7
381# define pTHX_8 8
382# define pTHX_9 9
0cb96387
GS		 383#endif
384
27da23d5
JH		 385#ifndef dVAR
386# define dVAR dNOOP
387#endif
388
b4f7f263
GS		 389/* these are only defined for compatibility; should not be used internally */
390#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 391# define pTHXo pTHX
392# define pTHXo_ pTHX_
0cb96387
GS		 393# define aTHXo aTHX
394# define aTHXo_ aTHX_
c5be433b 395# define dTHXo dTHX
71d280e3 396# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 397#endif
398
399#ifndef pTHXx
400# define pTHXx register PerlInterpreter *my_perl
401# define pTHXx_ pTHXx,
0cb96387
GS		 402# define aTHXx my_perl
403# define aTHXx_ aTHXx,
c5be433b 404# define dTHXx dTHX
22c35a8c 405#endif
71be2cbc 406
1de7c2ac
GS		 407/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
408 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
409 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
410#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 411# ifdef PERL_GLOBAL_STRUCT_PRIVATE
412# define dTHXs dVAR; dTHX
413# else
414# define dTHXs dTHX
415# endif
1de7c2ac 416#else
27da23d5
JH		 417# ifdef PERL_GLOBAL_STRUCT_PRIVATE
418# define dTHXs dVAR
419# else
420# define dTHXs dNOOP
421# endif
1de7c2ac
GS		 422#endif
423
27da23d5
JH		 424/* Some platforms require marking function declarations
425 * for them to be exportable. Used in perlio.h, proto.h
426 * is handled either by the makedef.pl or by defining the
427 * PERL_CALLCONV to be something special. See also the
428 * definition of XS() in XSUB.h. */
429#ifndef PERL_EXPORT_C
a0c21aa1
JH		 430# ifdef __cplusplus
431# define PERL_EXPORT_C extern "C"
432# else
433# define PERL_EXPORT_C extern
434# endif
27da23d5
JH		 435#endif
436#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 437# ifdef __cplusplus
438# define PERL_XS_EXPORT_C extern "C"
439# else
440# define PERL_XS_EXPORT_C
441# endif
27da23d5
JH		 442#endif
443
462e5cf6
MB		 444#ifdef OP_IN_REGISTER
445# ifdef __GNUC__
446# define stringify_immed(s) #s
447# define stringify(s) stringify_immed(s)
d1ca3daa 448register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 449# endif
450#endif
451
e5afc1ae 452/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 453 * g++ allows them but seems to have problems with them
70aab261
RB		 454 * (insane errors ensue).
455 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
456 */
457#if defined(PERL_GCC_PEDANTIC) || \
458 (defined(__GNUC__) && defined(__cplusplus) && \
459 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 460# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 461# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
462# endif
5dc8bdac
JH		 463#endif
464
5b692037
JH		 465#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
466# ifndef PERL_USE_GCC_BRACE_GROUPS
467# define PERL_USE_GCC_BRACE_GROUPS
468# endif
469#endif
470
728e2803 471/*
472 * STMT_START { statements; } STMT_END;
473 * can be used as a single statement, as in
474 * if (x) STMT_START { ... } STMT_END; else ...
475 *
476 * Trying to select a version that gives no warnings...
477 */
478#if !(defined(STMT_START) && defined(STMT_END))
5b692037 479# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 480# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 481# define STMT_END )
482# else
483 /* Now which other defined()s do we need here ??? */
93189314 484# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 485# define STMT_START if (1)
486# define STMT_END else (void)0
487# else
488# define STMT_START do
489# define STMT_END while (0)
490# endif
491# endif
492#endif
493
0cb96387 494#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 495#define WITH_THR(s) WITH_THX(s)
ea0efc06 496
d6f9c181
JH		 497#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
498# define BYTEORDER 0x1234
79072805
LW		 499#endif
500
501/* Overall memory policy? */
502#ifndef CONSERVATIVE
503# define LIBERAL 1
504#endif
505
8ada0baa
JH		 506#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
507#define ASCIIish
508#else
509#undef ASCIIish
510#endif
511
79072805
LW		 512/*
513 * The following contortions are brought to you on behalf of all the
514 * standards, semi-standards, de facto standards, not-so-de-facto standards
515 * of the world, as well as all the other botches anyone ever thought of.
516 * The basic theory is that if we work hard enough here, the rest of the
517 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
518 */
ac58e20f 519
ee0007ab 520/* define this once if either system, instead of cluttering up the src */
2986a63f 521#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 522#define DOSISH 1
523#endif
524
fb38d079 525#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 526# define STANDARD_C 1
527#endif
528
9969cdde 529#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 530# define DONT_DECLARE_STD 1
531#endif
532
352d5a3a 533#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 534# define VOL volatile
663a0e37 535#else
79072805 536# define VOL
663a0e37
LW		 537#endif
538
3280af22
NIS		 539#define TAINT (PL_tainted = TRUE)
540#define TAINT_NOT (PL_tainted = FALSE)
541#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
542#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 543#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 544
20be6587
DM		 545/* flags used internally only within pp_subst and pp_substcont */
546#ifdef PERL_CORE
547# define SUBST_TAINT_STR 1 /* string tainted */
548# define SUBST_TAINT_PAT 2 /* pattern tainted */
549# define SUBST_TAINT_REPL 4 /* replacement tainted */
550# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
551# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
552#endif
553
d460ef45 554/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 555 defines move there? If so, I could simplify this a lot. --AD 9/96.
556*/
557/* Process group stuff changed from traditional BSD to POSIX.
558 perlfunc.pod documents the traditional BSD-style syntax, so we'll
559 try to preserve that, if possible.
560*/
561#ifdef HAS_SETPGID
562# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 563#else
a6e633de 564# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
565# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
566# else
567# ifdef HAS_SETPGRP2 /* DG/UX */
568# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
569# endif
570# endif
571#endif
572#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
573# define HAS_SETPGRP /* Well, effectively it does . . . */
574#endif
575
576/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
577 our life easier :-) so we'll try it.
578*/
579#ifdef HAS_GETPGID
580# define BSD_GETPGRP(pid) getpgid((pid))
581#else
582# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
583# define BSD_GETPGRP(pid) getpgrp((pid))
584# else
585# ifdef HAS_GETPGRP2 /* DG/UX */
586# define BSD_GETPGRP(pid) getpgrp2((pid))
587# endif
588# endif
589#endif
590#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
591# define HAS_GETPGRP /* Well, effectively it does . . . */
592#endif
593
d460ef45 594/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 595 have different behaviors, but perl.h used to define USE_BSDPGRP
596 (prior to 5.003_05) so some extension might depend on it.
597*/
598#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
599# ifndef USE_BSDPGRP
600# define USE_BSDPGRP
601# endif
663a0e37
LW		 602#endif
603
486ec47a 604/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH		 605 pthread.h must be included before all other header files.
606*/
3db8f154 607#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 608# include <pthread.h>
609#endif
610
760ac839
LW		 611#ifndef _TYPES_ /* If types.h defines this it's easy. */
612# ifndef major /* Does everyone's types.h define this? */
613# include <sys/types.h>
c07a80fd 614# endif
663a0e37
LW		 615#endif
616
760ac839
LW		 617#ifdef __cplusplus
618# ifndef I_STDARG
619# define I_STDARG 1
620# endif
621#endif
622
623#ifdef I_STDARG
624# include <stdarg.h>
625#else
626# ifdef I_VARARGS
627# include <varargs.h>
628# endif
629#endif
630
4633a7c4 631#ifdef USE_NEXT_CTYPE
0c30d9ec 632
092bebab
JH		 633#if NX_CURRENT_COMPILER_RELEASE >= 500
634# include <bsd/ctypes.h>
635#else
636# if NX_CURRENT_COMPILER_RELEASE >= 400
637# include <objc/NXCType.h>
638# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
639# include <appkit/NXCType.h>
640# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
641#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 642
643#else /* !USE_NEXT_CTYPE */
fe14fcc3 644#include <ctype.h>
0c30d9ec 645#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 646
647#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
648#undef METHOD
a0d0e21e
LW		 649#endif
650
12ae5dfc
JH		 651#ifdef PERL_MICRO
652# define NO_LOCALE
653#endif
654
4633a7c4 655#ifdef I_LOCALE
36477c24 656# include <locale.h>
4633a7c4
LW		 657#endif
658
36477c24 659#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
660# define USE_LOCALE
661# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
662 && defined(HAS_STRXFRM)
663# define USE_LOCALE_COLLATE
664# endif
665# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
666# define USE_LOCALE_CTYPE
667# endif
668# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
669# define USE_LOCALE_NUMERIC
670# endif
671#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 672
fe14fcc3 673#include <setjmp.h>
79072805 674
a0d0e21e 675#ifdef I_SYS_PARAM
79072805
LW		 676# ifdef PARAM_NEEDS_TYPES
677# include <sys/types.h>
678# endif
679# include <sys/param.h>
352d5a3a 680#endif
79072805 681
79072805 682/* Use all the "standard" definitions? */
a0d0e21e 683#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 684# include <stdlib.h>
ff68c719 685#endif
03a14243 686
3f270f98
JH		 687/* If this causes problems, set i_unistd=undef in the hint file. */
688#ifdef I_UNISTD
689# include <unistd.h>
690#endif
691
de8ca8af
NT		 692/* for WCOREDUMP */
693#ifdef I_SYS_WAIT
694# include <sys/wait.h>
695#endif
696
9969cdde 697#ifdef __SYMBIAN32__
27da23d5
JH		 698# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
699#endif
700
7114a2d2 701#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 702EXTERN_C int syscall(int, ...);
2ef53570
JH		 703#endif
704
7114a2d2 705#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 706EXTERN_C int usleep(unsigned int);
2ef53570
JH		 707#endif
708
9c12f1e5
RGS		 709/* Funky places that do not have socket stuff. */
710#if defined(__LIBCATAMOUNT__)
711# define MYSWAP
712#endif
713
9a34ef1d
GS		 714#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
715# define MYSWAP
716#endif
717
1109a392
MHM		 718#ifdef PERL_CORE
719
720/* macros for correct constant construction */
721# if INTSIZE >= 2
722# define U16_CONST(x) ((U16)x##U)
723# else
724# define U16_CONST(x) ((U16)x##UL)
725# endif
726
727# if INTSIZE >= 4
728# define U32_CONST(x) ((U32)x##U)
729# else
730# define U32_CONST(x) ((U32)x##UL)
731# endif
732
733# ifdef HAS_QUAD
734# if INTSIZE >= 8
735# define U64_CONST(x) ((U64)x##U)
736# elif LONGSIZE >= 8
737# define U64_CONST(x) ((U64)x##UL)
738# elif QUADKIND == QUAD_IS_LONG_LONG
739# define U64_CONST(x) ((U64)x##ULL)
740# else /* best guess we can make */
741# define U64_CONST(x) ((U64)x##UL)
742# endif
743# endif
744
745/* byte-swapping functions for big-/little-endian conversion */
746# define _swab_16_(x) ((U16)( \
747 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
748 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
749
750# define _swab_32_(x) ((U32)( \
751 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
752 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
753 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
754 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
755
756# ifdef HAS_QUAD
757# define _swab_64_(x) ((U64)( \
758 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
759 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
760 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
761 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
762 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
763 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
764 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
765 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
766# endif
767
768/*----------------------------------------------------------------------------*/
769# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
770/*----------------------------------------------------------------------------*/
771# define my_htole16(x) (x)
772# define my_letoh16(x) (x)
773# define my_htole32(x) (x)
774# define my_letoh32(x) (x)
775# define my_htobe16(x) _swab_16_(x)
776# define my_betoh16(x) _swab_16_(x)
777# define my_htobe32(x) _swab_32_(x)
778# define my_betoh32(x) _swab_32_(x)
779# ifdef HAS_QUAD
780# define my_htole64(x) (x)
781# define my_letoh64(x) (x)
782# define my_htobe64(x) _swab_64_(x)
783# define my_betoh64(x) _swab_64_(x)
784# endif
785# define my_htoles(x) (x)
786# define my_letohs(x) (x)
787# define my_htolei(x) (x)
788# define my_letohi(x) (x)
789# define my_htolel(x) (x)
790# define my_letohl(x) (x)
791# if SHORTSIZE == 1
792# define my_htobes(x) (x)
793# define my_betohs(x) (x)
794# elif SHORTSIZE == 2
795# define my_htobes(x) _swab_16_(x)
796# define my_betohs(x) _swab_16_(x)
797# elif SHORTSIZE == 4
798# define my_htobes(x) _swab_32_(x)
799# define my_betohs(x) _swab_32_(x)
800# elif SHORTSIZE == 8
801# define my_htobes(x) _swab_64_(x)
802# define my_betohs(x) _swab_64_(x)
803# else
804# define PERL_NEED_MY_HTOBES
805# define PERL_NEED_MY_BETOHS
806# endif
807# if INTSIZE == 1
808# define my_htobei(x) (x)
809# define my_betohi(x) (x)
810# elif INTSIZE == 2
811# define my_htobei(x) _swab_16_(x)
812# define my_betohi(x) _swab_16_(x)
813# elif INTSIZE == 4
814# define my_htobei(x) _swab_32_(x)
815# define my_betohi(x) _swab_32_(x)
816# elif INTSIZE == 8
817# define my_htobei(x) _swab_64_(x)
818# define my_betohi(x) _swab_64_(x)
819# else
820# define PERL_NEED_MY_HTOBEI
821# define PERL_NEED_MY_BETOHI
822# endif
823# if LONGSIZE == 1
824# define my_htobel(x) (x)
825# define my_betohl(x) (x)
826# elif LONGSIZE == 2
827# define my_htobel(x) _swab_16_(x)
828# define my_betohl(x) _swab_16_(x)
829# elif LONGSIZE == 4
830# define my_htobel(x) _swab_32_(x)
831# define my_betohl(x) _swab_32_(x)
832# elif LONGSIZE == 8
833# define my_htobel(x) _swab_64_(x)
834# define my_betohl(x) _swab_64_(x)
835# else
836# define PERL_NEED_MY_HTOBEL
837# define PERL_NEED_MY_BETOHL
838# endif
839# define my_htolen(p,n) NOOP
840# define my_letohn(p,n) NOOP
841# define my_htoben(p,n) my_swabn(p,n)
842# define my_betohn(p,n) my_swabn(p,n)
843/*----------------------------------------------------------------------------*/
844# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
845/*----------------------------------------------------------------------------*/
846# define my_htobe16(x) (x)
847# define my_betoh16(x) (x)
848# define my_htobe32(x) (x)
849# define my_betoh32(x) (x)
850# define my_htole16(x) _swab_16_(x)
851# define my_letoh16(x) _swab_16_(x)
852# define my_htole32(x) _swab_32_(x)
853# define my_letoh32(x) _swab_32_(x)
854# ifdef HAS_QUAD
855# define my_htobe64(x) (x)
856# define my_betoh64(x) (x)
857# define my_htole64(x) _swab_64_(x)
858# define my_letoh64(x) _swab_64_(x)
859# endif
860# define my_htobes(x) (x)
861# define my_betohs(x) (x)
862# define my_htobei(x) (x)
863# define my_betohi(x) (x)
864# define my_htobel(x) (x)
865# define my_betohl(x) (x)
866# if SHORTSIZE == 1
867# define my_htoles(x) (x)
868# define my_letohs(x) (x)
869# elif SHORTSIZE == 2
870# define my_htoles(x) _swab_16_(x)
871# define my_letohs(x) _swab_16_(x)
872# elif SHORTSIZE == 4
873# define my_htoles(x) _swab_32_(x)
874# define my_letohs(x) _swab_32_(x)
875# elif SHORTSIZE == 8
876# define my_htoles(x) _swab_64_(x)
877# define my_letohs(x) _swab_64_(x)
878# else
879# define PERL_NEED_MY_HTOLES
880# define PERL_NEED_MY_LETOHS
881# endif
882# if INTSIZE == 1
883# define my_htolei(x) (x)
884# define my_letohi(x) (x)
885# elif INTSIZE == 2
886# define my_htolei(x) _swab_16_(x)
887# define my_letohi(x) _swab_16_(x)
888# elif INTSIZE == 4
889# define my_htolei(x) _swab_32_(x)
890# define my_letohi(x) _swab_32_(x)
891# elif INTSIZE == 8
892# define my_htolei(x) _swab_64_(x)
893# define my_letohi(x) _swab_64_(x)
894# else
895# define PERL_NEED_MY_HTOLEI
896# define PERL_NEED_MY_LETOHI
897# endif
898# if LONGSIZE == 1
899# define my_htolel(x) (x)
900# define my_letohl(x) (x)
901# elif LONGSIZE == 2
902# define my_htolel(x) _swab_16_(x)
903# define my_letohl(x) _swab_16_(x)
904# elif LONGSIZE == 4
905# define my_htolel(x) _swab_32_(x)
906# define my_letohl(x) _swab_32_(x)
907# elif LONGSIZE == 8
908# define my_htolel(x) _swab_64_(x)
909# define my_letohl(x) _swab_64_(x)
910# else
911# define PERL_NEED_MY_HTOLEL
912# define PERL_NEED_MY_LETOHL
913# endif
914# define my_htolen(p,n) my_swabn(p,n)
915# define my_letohn(p,n) my_swabn(p,n)
916# define my_htoben(p,n) NOOP
917# define my_betohn(p,n) NOOP
918/*----------------------------------------------------------------------------*/
919# else /* all other byte-orders */
920/*----------------------------------------------------------------------------*/
921# define PERL_NEED_MY_HTOLE16
922# define PERL_NEED_MY_LETOH16
923# define PERL_NEED_MY_HTOBE16
924# define PERL_NEED_MY_BETOH16
925# define PERL_NEED_MY_HTOLE32
926# define PERL_NEED_MY_LETOH32
927# define PERL_NEED_MY_HTOBE32
928# define PERL_NEED_MY_BETOH32
929# ifdef HAS_QUAD
930# define PERL_NEED_MY_HTOLE64
931# define PERL_NEED_MY_LETOH64
932# define PERL_NEED_MY_HTOBE64
933# define PERL_NEED_MY_BETOH64
934# endif
935# define PERL_NEED_MY_HTOLES
936# define PERL_NEED_MY_LETOHS
937# define PERL_NEED_MY_HTOBES
938# define PERL_NEED_MY_BETOHS
939# define PERL_NEED_MY_HTOLEI
940# define PERL_NEED_MY_LETOHI
941# define PERL_NEED_MY_HTOBEI
942# define PERL_NEED_MY_BETOHI
943# define PERL_NEED_MY_HTOLEL
944# define PERL_NEED_MY_LETOHL
945# define PERL_NEED_MY_HTOBEL
946# define PERL_NEED_MY_BETOHL
947/*----------------------------------------------------------------------------*/
948# endif /* end of byte-order macros */
949/*----------------------------------------------------------------------------*/
950
9c17f24a
NC		 951/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
952 at least on FreeBSD. YMMV, so experiment. */
953#ifndef PERL_ARENA_SIZE
954#define PERL_ARENA_SIZE 4080
955#endif
956
ccb2c8b8 957/* Maximum level of recursion */
2b9dff67
RGS		 958#ifndef PERL_SUB_DEPTH_WARN
959#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 960#endif
961
1109a392
MHM		 962#endif /* PERL_CORE */
963
bdf3085f
NC		 964/* We no longer default to creating a new SV for GvSV.
965 Do this before embed. */
966#ifndef PERL_CREATE_GVSV
7459f06b
NC		 967# ifndef PERL_DONT_CREATE_GVSV
968# define PERL_DONT_CREATE_GVSV
969# endif
bdf3085f
NC		 970#endif
971
ca0c25f6
NC		 972#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
973#define PERL_USES_PL_PIDSTATUS
974#endif
975
e37778c2 976#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__)
a62746fa
RGS		 977#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
978#endif
979
00f254e2 980/* Cannot include embed.h here on Win32 as win32.h has not
66a93824
NIS		 981 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
982 */
96e176bf 983#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 984# include "embed.h"
eb8433b7
NC		 985# ifndef PERL_MAD
986# undef op_getmad
b3f24c00 987# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 988# endif
cea2e8a9
GS		 989#endif
990
c31fac66
GS		 991#define MEM_SIZE Size_t
992
1936d2a7
NC		 993/* Round all values passed to malloc up, by default to a multiple of
994 sizeof(size_t)
995*/
996#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
997#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
998#endif
999
f1200559
WH		 1000/* sv_grow() will expand strings by at least a certain percentage of
1001 the previously *used* length to avoid excessive calls to realloc().
1002 The default is 25% of the current length.
1003*/
1004#ifndef PERL_STRLEN_EXPAND_SHIFT
1005# define PERL_STRLEN_EXPAND_SHIFT 2
1006#endif
1007
51371543
GS		 1008#if defined(STANDARD_C) && defined(I_STDDEF)
1009# include <stddef.h>
1010# define STRUCT_OFFSET(s,m) offsetof(s,m)
1011#else
1012# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
1013#endif
1014
9969cdde 1015#ifndef __SYMBIAN32__
27da23d5
JH		 1016# if defined(I_STRING) || defined(__cplusplus)
1017# include <string.h>
1018# else
1019# include <strings.h>
1020# endif
51371543
GS		 1021#endif
1022
55497cff 1023/* This comes after <stdlib.h> so we don't try to change the standard
1024 * library prototypes; we'll use our own in proto.h instead. */
03a14243 1025
4633a7c4 1026#ifdef MYMALLOC
86058a2d 1027# ifdef PERL_POLLUTE_MALLOC
ee13e175 1028# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 1029# define Perl_malloc malloc
1030# define Perl_calloc calloc
1031# define Perl_realloc realloc
1032# define Perl_mfree free
ee13e175 1033# endif
86058a2d
GS		 1034# else
1035# define EMBEDMYMALLOC /* for compatibility */
1036# endif
827e134a 1037
651b9576
GS		 1038# define safemalloc Perl_malloc
1039# define safecalloc Perl_calloc
1040# define saferealloc Perl_realloc
1041# define safefree Perl_mfree
22f7c9c9
JH		 1042# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1043 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1044 code; \
1045 } STMT_END
1046# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1047 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1048# define panic_write2(s) write(2, s, strlen(s))
1049# define CHECK_MALLOC_TAINT(newval) \
1050 CHECK_MALLOC_TOO_LATE_FOR_( \
1051 if (newval) { \
1052 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1053 exit(1); })
22f7c9c9 1054# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1055 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 1056 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1057 }} STMT_END;
f2517201
GS		 1058#else /* MYMALLOC */
1059# define safemalloc safesysmalloc
1060# define safecalloc safesyscalloc
1061# define saferealloc safesysrealloc
1062# define safefree safesysfree
22f7c9c9
JH		 1063# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1064# define CHECK_MALLOC_TAINT(newval) ((void)0)
1065# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1066#endif /* MYMALLOC */
4633a7c4 1067
fe13d51d 1068/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 1069#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		 1070#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1071#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1072#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1073
a0d0e21e
LW		 1074#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1075#define strchr index
1076#define strrchr rindex
1077#endif
1078
16d20bd9
AD		 1079#ifdef I_MEMORY
1080# include <memory.h>
1081#endif
1082
fe14fcc3 1083#ifdef HAS_MEMCPY
85e6fe83 1084# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1085# ifndef memcpy
20ce7b12 1086 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 1087# endif
1088# endif
1089#else
1090# ifndef memcpy
1091# ifdef HAS_BCOPY
1092# define memcpy(d,s,l) bcopy(s,d,l)
1093# else
1094# define memcpy(d,s,l) my_bcopy(s,d,l)
1095# endif
1096# endif
1097#endif /* HAS_MEMCPY */
fe14fcc3 1098
ee0007ab 1099#ifdef HAS_MEMSET
85e6fe83 1100# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1101# ifndef memset
20ce7b12 1102 extern char *memset (char*, int, int);
ee0007ab
LW		 1103# endif
1104# endif
ee0007ab 1105#else
12ae5dfc 1106# undef memset
fc36a67e 1107# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1108#endif /* HAS_MEMSET */
1109
85e6fe83 1110#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1111# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1112# define memmove(d,s,l) bcopy(s,d,l)
1113# else
2304df62 1114# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1115# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1116# else
79072805 1117# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1118# endif
352d5a3a 1119# endif
d9d8d8de 1120#endif
ee0007ab 1121
36477c24 1122#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1123# undef HAS_MEMCMP
1124#endif
1125
1126#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1127# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1128# ifndef memcmp
20ce7b12 1129 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1130# endif
1131# endif
36477c24 1132# ifdef BUGGY_MSC
7e4e8c89 1133# pragma function(memcmp)
36477c24 1134# endif
ee0007ab
LW		 1135#else
1136# ifndef memcmp
ecfc5424 1137# define memcmp my_memcmp
352d5a3a 1138# endif
36477c24 1139#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1140
fc36a67e 1141#ifndef memzero
c635e13b 1142# ifdef HAS_MEMSET
1143# define memzero(d,l) memset(d,0,l)
79072805 1144# else
c635e13b 1145# ifdef HAS_BZERO
1146# define memzero(d,l) bzero(d,l)
79072805 1147# else
fc36a67e 1148# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1149# endif
1150# endif
d9d8d8de 1151#endif
378cc40b 1152
2f42fcb0 1153#ifndef PERL_MICRO
0f27ced1
JH		 1154#ifndef memchr
1155# ifndef HAS_MEMCHR
1156# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1157# endif
1158#endif
2f42fcb0 1159#endif
0f27ced1 1160
36477c24 1161#ifndef HAS_BCMP
1162# ifndef bcmp
1163# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1164# endif
36477c24 1165#endif /* !HAS_BCMP */
378cc40b 1166
ae986130 1167#ifdef I_NETINET_IN
79072805 1168# include <netinet/in.h>
ae986130
LW		 1169#endif
1170
28e8609d
JH		 1171#ifdef I_ARPA_INET
1172# include <arpa/inet.h>
1173#endif
1174
84902520
TB		 1175#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1176/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1177 * (the neo-BSD seem to do this). */
1178# undef SF_APPEND
1179#endif
1180
1aef975c 1181#ifdef I_SYS_STAT
84902520 1182# include <sys/stat.h>
1aef975c 1183#endif
79072805 1184
287a962e
JD		 1185/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1186 This definition should ideally go into win32/win32.h, but S_IFIFO is
1187 used later here in perl.h before win32/win32.h is being included. */
1188#if !defined(S_IFIFO) && defined(_S_IFIFO)
1189# define S_IFIFO _S_IFIFO
1190#endif
1191
a0d0e21e
LW		 1192/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1193 like UTekV) are broken, sometimes giving false positives. Undefine
1194 them here and let the code below set them to proper values.
1195
1196 The ghs macro stands for GreenHills Software C-1.8.5 which
1197 is the C compiler for sysV88 and the various derivatives.
1198 This header file bug is corrected in gcc-2.5.8 and later versions.
1199 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1200
1201#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1202# undef S_ISDIR
1203# undef S_ISCHR
1204# undef S_ISBLK
1205# undef S_ISREG
1206# undef S_ISFIFO
1207# undef S_ISLNK
ee0007ab 1208#endif
135863df 1209
663a0e37
LW		 1210#ifdef I_TIME
1211# include <time.h>
ffed7fef 1212#endif
663a0e37 1213
fe14fcc3 1214#ifdef I_SYS_TIME
85e6fe83 1215# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1216# define KERNEL
1217# endif
1218# include <sys/time.h>
85e6fe83 1219# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1220# undef KERNEL
1221# endif
a687059c 1222#endif
135863df 1223
55497cff 1224#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1225# include <sys/times.h>
d9d8d8de 1226#endif
8d063cd8 1227
fe14fcc3 1228#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1229# undef HAS_STRERROR
663a0e37
LW		 1230#endif
1231
1232#include <errno.h>
1e743fda 1233
acfe0abc 1234#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1235# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1236#endif
1237
8cfab5ff 1238/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1239 * This is important for using IPv6.
8cfab5ff
JH		 1240 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1241 * a bad idea since it breaks send() and recv(). */
1242#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1243# define _SOCKADDR_LEN
1244#endif
1245
8d3f517a 1246#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1247# include <sys/socket.h>
1248# if defined(USE_SOCKS) && defined(I_SOCKS)
1249# if !defined(INCLUDE_PROTOTYPES)
1250# define INCLUDE_PROTOTYPES /* for <socks.h> */
1251# define PERL_SOCKS_NEED_PROTOTYPES
1252# endif
1253# include <socks.h>
1254# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1255# undef INCLUDE_PROTOTYPES
1256# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1257# endif
d460ef45 1258# endif
1e743fda 1259# ifdef I_NETDB
2986a63f
JH		 1260# ifdef NETWARE
1261# include<stdio.h>
1262# endif
1e743fda
JH		 1263# include <netdb.h>
1264# endif
1265# ifndef ENOTSOCK
1266# ifdef I_NET_ERRNO
1267# include <net/errno.h>
1268# endif
1269# endif
1270#endif
1271
fa0a29af 1272/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1273 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1274 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1275#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1276# if defined(__THROW) && defined(__GLIBC__)
1277int sockatmark(int) __THROW;
1278# else
2ef53570 1279int sockatmark(int);
29820b6d 1280# endif
2ef53570
JH		 1281#endif
1282
7e827271 1283#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		 1284EXTERN_C int fchdir(int);
1285EXTERN_C int flock(int, int);
1286EXTERN_C int fseeko(FILE *, off_t, int);
1287EXTERN_C off_t ftello(FILE *);
1288#endif
1289
7e827271 1290#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1291EXTERN_C char *crypt(const char *, const char *);
7e827271 1292EXTERN_C char **environ;
1ccb7c8d
JH		 1293#endif
1294
83a6ff2e 1295#if defined(__cplusplus)
944c4fda 1296# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1297EXTERN_C char **environ;
83a6ff2e 1298# elif defined(__CYGWIN__)
667e2948
SP		 1299EXTERN_C char *crypt(const char *, const char *);
1300#endif
83a6ff2e 1301#endif
667e2948 1302
1e743fda
JH		 1303#ifdef SETERRNO
1304# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1305#endif
f86702cc 1306
1307#ifdef VMS
1308# define SETERRNO(errcode,vmserrcode) \
1309 STMT_START { \
1310 set_errno(errcode); \
1311 set_vaxc_errno(vmserrcode); \
1312 } STMT_END
4ee39169
CS		 1313# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1314# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1315# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1316# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1317
93189314
JH		 1318# define LIB_INVARG LIB$_INVARG
1319# define RMS_DIR RMS$_DIR
1320# define RMS_FAC RMS$_FAC
1321# define RMS_FEX RMS$_FEX
1322# define RMS_FNF RMS$_FNF
1323# define RMS_IFI RMS$_IFI
1324# define RMS_ISI RMS$_ISI
1325# define RMS_PRV RMS$_PRV
1326# define SS_ACCVIO SS$_ACCVIO
1327# define SS_DEVOFFLINE SS$_DEVOFFLINE
1328# define SS_IVCHAN SS$_IVCHAN
1329# define SS_NORMAL SS$_NORMAL
748a9306 1330#else
aba27d88 1331# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS		 1332# define dSAVEDERRNO int saved_errno
1333# define dSAVE_ERRNO int saved_errno = errno
1334# define SAVE_ERRNO (saved_errno = errno)
1335# define RESTORE_ERRNO (errno = saved_errno)
1336
93189314
JH		 1337# define LIB_INVARG 0
1338# define RMS_DIR 0
1339# define RMS_FAC 0
1340# define RMS_FEX 0
1341# define RMS_FNF 0
1342# define RMS_IFI 0
1343# define RMS_ISI 0
1344# define RMS_PRV 0
1345# define SS_ACCVIO 0
1346# define SS_DEVOFFLINE 0
1347# define SS_IVCHAN 0
1348# define SS_NORMAL 0
748a9306 1349#endif
ed6116ce 1350
f5fa9033 1351#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC		 1352
1353#define CLEAR_ERRSV() STMT_START { \
1354 if (!GvSV(PL_errgv)) { \
1355 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1356 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1357 SvREFCNT_dec(GvSV(PL_errgv)); \
1358 GvSV(PL_errgv) = newSVpvs(""); \
1359 } else { \
1360 SV *const errsv = GvSV(PL_errgv); \
1361 sv_setpvs(errsv, ""); \
1362 if (SvMAGICAL(errsv)) { \
1363 mg_free(errsv); \
1364 } \
1365 SvPOK_only(errsv); \
1366 } \
1367 } STMT_END
1368
1369
414bf5ae
MHM		 1370#ifdef PERL_CORE
1371# define DEFSV (0 + GvSVn(PL_defgv))
1372#else
1373# define DEFSV GvSVn(PL_defgv)
1374#endif
1375#define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
3db8f154 1376#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1377
98eae8f5
GS		 1378#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1379
55497cff 1380#ifndef errno
5ff3f7a4
GS		 1381 extern int errno; /* ANSI allows errno to be an lvalue expr.
1382 * For example in multithreaded environments
1383 * something like this might happen:
1384 * extern int *_errno(void);
1385 * #define errno (*_errno()) */
d9d8d8de 1386#endif
663a0e37 1387
2304df62 1388#ifdef HAS_STRERROR
a0d0e21e 1389# ifdef VMS
20ce7b12 1390 char *strerror (int,...);
a0d0e21e 1391# else
68dc0745 1392#ifndef DONT_DECLARE_STD
20ce7b12 1393 char *strerror (int);
68dc0745 1394#endif
a0d0e21e 1395# endif
2304df62
AD		 1396# ifndef Strerror
1397# define Strerror strerror
1398# endif
1399#else
1400# ifdef HAS_SYS_ERRLIST
79072805
LW		 1401 extern int sys_nerr;
1402 extern char *sys_errlist[];
2304df62
AD		 1403# ifndef Strerror
1404# define Strerror(e) \
79072805 1405 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1406# endif
79072805 1407# endif
35c8bce7 1408#endif
663a0e37 1409
2304df62 1410#ifdef I_SYS_IOCTL
79072805
LW		 1411# ifndef _IOCTL_
1412# include <sys/ioctl.h>
1413# endif
a687059c
LW		 1414#endif
1415
ee0007ab 1416#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1417# ifdef HAS_SOCKETPAIR
1418# undef HAS_SOCKETPAIR
1419# endif
2304df62
AD		 1420# ifdef I_NDBM
1421# undef I_NDBM
79072805 1422# endif
a687059c
LW		 1423#endif
1424
02fc2eee
NC		 1425#ifndef HAS_SOCKETPAIR
1426# ifdef HAS_SOCKET
1427# define socketpair Perl_my_socketpair
1428# endif
1429#endif
1430
a687059c 1431#if INTSIZE == 2
79072805
LW		 1432# define htoni htons
1433# define ntohi ntohs
a687059c 1434#else
79072805
LW		 1435# define htoni htonl
1436# define ntohi ntohl
a687059c
LW		 1437#endif
1438
a0d0e21e 1439/* Configure already sets Direntry_t */
35c8bce7 1440#if defined(I_DIRENT)
663a0e37 1441# include <dirent.h>
8f1f23e8
W		 1442 /* NeXT needs dirent + sys/dir.h */
1443# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1444# include <sys/dir.h>
1445# endif
ae986130 1446#else
fe14fcc3 1447# ifdef I_SYS_NDIR
79a0689e 1448# include <sys/ndir.h>
663a0e37 1449# else
fe14fcc3 1450# ifdef I_SYS_DIR
79a0689e
LW		 1451# ifdef hp9000s500
1452# include <ndir.h> /* may be wrong in the future */
1453# else
1454# include <sys/dir.h>
1455# endif
663a0e37
LW		 1456# endif
1457# endif
4633a7c4 1458#endif
a687059c 1459
12ae5dfc
JH		 1460#ifdef PERL_MICRO
1461# ifndef DIR
1462# define DIR void
1463# endif
1464#endif
1465
352d5a3a
LW		 1466#ifdef FPUTS_BOTCH
1467/* work around botch in SunOS 4.0.1 and 4.0.2 */
1468# ifndef fputs
79072805 1469# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1470# endif
1471#endif
1472
c623bd54
LW		 1473/*
1474 * The following gobbledygook brought to you on behalf of __STDC__.
1475 * (I could just use #ifndef __STDC__, but this is more bulletproof
1476 * in the face of half-implementations.)
1477 */
1478
7114a2d2 1479#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1480#include <sys/mode.h>
1481#endif
1482
c623bd54
LW		 1483#ifndef S_IFMT
1484# ifdef _S_IFMT
1485# define S_IFMT _S_IFMT
1486# else
1487# define S_IFMT 0170000
1488# endif
1489#endif
1490
1491#ifndef S_ISDIR
1492# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1493#endif
1494
1495#ifndef S_ISCHR
1496# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1497#endif
1498
1499#ifndef S_ISBLK
fe14fcc3
LW		 1500# ifdef S_IFBLK
1501# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1502# else
1503# define S_ISBLK(m) (0)
1504# endif
c623bd54
LW		 1505#endif
1506
1507#ifndef S_ISREG
1508# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1509#endif
1510
1511#ifndef S_ISFIFO
fe14fcc3
LW		 1512# ifdef S_IFIFO
1513# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1514# else
1515# define S_ISFIFO(m) (0)
1516# endif
c623bd54
LW		 1517#endif
1518
1519#ifndef S_ISLNK
1520# ifdef _S_ISLNK
1521# define S_ISLNK(m) _S_ISLNK(m)
1522# else
1523# ifdef _S_IFLNK
1524# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1525# else
1526# ifdef S_IFLNK
1527# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1528# else
1529# define S_ISLNK(m) (0)
1530# endif
1531# endif
1532# endif
1533#endif
1534
1535#ifndef S_ISSOCK
1536# ifdef _S_ISSOCK
1537# define S_ISSOCK(m) _S_ISSOCK(m)
1538# else
1539# ifdef _S_IFSOCK
1540# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1541# else
1542# ifdef S_IFSOCK
1543# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1544# else
1545# define S_ISSOCK(m) (0)
1546# endif
1547# endif
1548# endif
1549#endif
1550
1551#ifndef S_IRUSR
1552# ifdef S_IREAD
1553# define S_IRUSR S_IREAD
1554# define S_IWUSR S_IWRITE
1555# define S_IXUSR S_IEXEC
1556# else
1557# define S_IRUSR 0400
1558# define S_IWUSR 0200
1559# define S_IXUSR 0100
1560# endif
fac7cdfc
JS		 1561#endif
1562
1563#ifndef S_IRGRP
1564# ifdef S_IRUSR
1565# define S_IRGRP (S_IRUSR>>3)
1566# define S_IWGRP (S_IWUSR>>3)
1567# define S_IXGRP (S_IXUSR>>3)
1568# else
1569# define S_IRGRP 0040
1570# define S_IWGRP 0020
1571# define S_IXGRP 0010
1572# endif
1573#endif
1574
1575#ifndef S_IROTH
1576# ifdef S_IRUSR
1577# define S_IROTH (S_IRUSR>>6)
1578# define S_IWOTH (S_IWUSR>>6)
1579# define S_IXOTH (S_IXUSR>>6)
1580# else
1581# define S_IROTH 0040
1582# define S_IWOTH 0020
1583# define S_IXOTH 0010
1584# endif
c623bd54
LW		 1585#endif
1586
1587#ifndef S_ISUID
1588# define S_ISUID 04000
1589#endif
1590
1591#ifndef S_ISGID
1592# define S_ISGID 02000
1593#endif
1594
ca6e1c26
JH		 1595#ifndef S_IRWXU
1596# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1597#endif
ca6e1c26
JH		 1598
1599#ifndef S_IRWXG
1600# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1601#endif
ca6e1c26
JH		 1602
1603#ifndef S_IRWXO
1604# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1605#endif
ca6e1c26 1606
df00ff3b 1607/* BeOS 5.0 and Haiku R1 seem to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1608 * which would get included through <sys/file.h >, but that is 3000
1609 * lines in the future. --jhi */
1610
df00ff3b 1611#if !defined(S_IREAD) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1612# define S_IREAD S_IRUSR
1613#endif
1614
df00ff3b 1615#if !defined(S_IWRITE) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1616# define S_IWRITE S_IWUSR
1617#endif
1618
1619#ifndef S_IEXEC
1620# define S_IEXEC S_IXUSR
1621#endif
1622
79072805
LW		 1623#ifdef ff_next
1624# undef ff_next
352d5a3a
LW		 1625#endif
1626
a0d0e21e 1627#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1628# define SLOPPYDIVIDE
1629#endif
1630
748a9306
LW		 1631#ifdef UV
1632#undef UV
1633#endif
1634
c89df6bf
JH		 1635#ifdef SPRINTF_E_BUG
1636# define sprintf UTS_sprintf_wrap
1637#endif
1638
ce582cee
NC		 1639/* For the times when you want the return value of sprintf, and you want it
1640 to be the length. Can't have a thread variable passed in, because C89 has
1641 no varargs macros.
1642*/
1643#ifdef SPRINTF_RETURNS_STRLEN
1644# define my_sprintf sprintf
1645#else
1646# define my_sprintf Perl_my_sprintf
1647#endif
1648
5b692037
JH		 1649/*
1650 * If we have v?snprintf() and the C99 variadic macros, we can just
1651 * use just the v?snprintf(). It is nice to try to trap the buffer
1652 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1653 * gcc statement expressions, then use the function wrappers which try
1654 * to trap the overflow. If we can use the gcc statement expressions,
1655 * we can try that even with the version that uses the C99 variadic
1656 * macros.
5b692037
JH		 1657 */
1658
1208b3dd
JH		 1659/* Note that we do not check against snprintf()/vsnprintf() returning
1660 * negative values because that is non-standard behaviour and we use
1661 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1662 * that should be true only if the snprintf()/vsnprintf() are true
1663 * to the standard. */
1664
dfeee9b1 1665#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1666# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1667# 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 1668# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1669# else
1670# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1671# endif
1672#else
1673# define my_snprintf Perl_my_snprintf
1208b3dd 1674# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1675#endif
1676
dfeee9b1 1677#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1678# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1679# 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 1680# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1681# else
1682# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1683# endif
1684#else
1685# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1686# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1687#endif
d9fad198 1688
a6cc4119
SP		 1689#ifdef HAS_STRLCAT
1690# define my_strlcat strlcat
1691#else
1692# define my_strlcat Perl_my_strlcat
1693#endif
1694
1695#ifdef HAS_STRLCPY
1696# define my_strlcpy strlcpy
1697#else
1698# define my_strlcpy Perl_my_strlcpy
1699#endif
1700
c495e728
JH		 1701/* Configure gets this right but the UTS compiler gets it wrong.
1702 -- Hal Morris <hom00@utsglobal.com> */
1703#ifdef UTS
1704# undef UVTYPE
1705# define UVTYPE unsigned
1706#endif
1707
05f13f53 1708/*
27d4fb96 1709 The IV type is supposed to be long enough to hold any integral
1710 value or a pointer.
1711 --Andy Dougherty August 1996
1712*/
1713
a22e52b9
JH		 1714typedef IVTYPE IV;
1715typedef UVTYPE UV;
8175356b 1716
10cc9d2a 1717#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1718# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1719# define IV_MAX INT64_MAX
1720# define IV_MIN INT64_MIN
1721# define UV_MAX UINT64_MAX
cae7ae48
JH		 1722# ifndef UINT64_MIN
1723# define UINT64_MIN 0
1724# endif
5ff3f7a4
GS		 1725# define UV_MIN UINT64_MIN
1726# else
1727# define IV_MAX PERL_QUAD_MAX
1728# define IV_MIN PERL_QUAD_MIN
1729# define UV_MAX PERL_UQUAD_MAX
1730# define UV_MIN PERL_UQUAD_MIN
1731# endif
cf2093f6
JH		 1732# define IV_IS_QUAD
1733# define UV_IS_QUAD
79072805 1734#else
8175356b 1735# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1736# define IV_MAX INT32_MAX
1737# define IV_MIN INT32_MIN
716026f9
DL		 1738# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1739# define UV_MAX UINT32_MAX
1740# else
1741# define UV_MAX 4294967295U
1742# endif
cae7ae48
JH		 1743# ifndef UINT32_MIN
1744# define UINT32_MIN 0
1745# endif
5ff3f7a4
GS		 1746# define UV_MIN UINT32_MIN
1747# else
1748# define IV_MAX PERL_LONG_MAX
1749# define IV_MIN PERL_LONG_MIN
1750# define UV_MAX PERL_ULONG_MAX
1751# define UV_MIN PERL_ULONG_MIN
1752# endif
8175356b 1753# if IVSIZE == 8
cf2093f6
JH		 1754# define IV_IS_QUAD
1755# define UV_IS_QUAD
de1c2614
JH		 1756# ifndef HAS_QUAD
1757# define HAS_QUAD
1758# endif
cf2093f6
JH		 1759# else
1760# undef IV_IS_QUAD
1761# undef UV_IS_QUAD
de1c2614 1762# undef HAS_QUAD
cf2093f6 1763# endif
79072805 1764#endif
d7d93a81 1765
1109a392
MHM		 1766#ifndef HAS_QUAD
1767# undef PERL_NEED_MY_HTOLE64
1768# undef PERL_NEED_MY_LETOH64
1769# undef PERL_NEED_MY_HTOBE64
1770# undef PERL_NEED_MY_BETOH64
1771#endif
1772
6cde8aec 1773#if defined(uts) || defined(UTS)
11afe549
HM		 1774# undef UV_MAX
1775# define UV_MAX (4294967295u)
20601011
JH		 1776#endif
1777
cae7ae48 1778#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1779#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1780
28e5dec8 1781#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1782#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1783#endif
1784
d460ef45 1785/*
26bb67e2
JH		 1786 * The macros INT2PTR and NUM2PTR are (despite their names)
1787 * bi-directional: they will convert int/float to or from pointers.
1788 * However the conversion to int/float are named explicitly:
1789 * PTR2IV, PTR2UV, PTR2NV.
1790 *
1791 * For int conversions we do not need two casts if pointers are
1792 * the same size as IV and UV. Otherwise we need an explicit
1793 * cast (PTRV) to avoid compiler warnings.
1794 */
56431972
RB		 1795#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1796# define PTRV UV
1797# define INT2PTR(any,d) (any)(d)
1798#else
d460ef45 1799# if PTRSIZE == LONGSIZE
56431972 1800# define PTRV unsigned long
e91e3b10 1801# define PTR2ul(p) (unsigned long)(p)
42718184 1802# else
56431972 1803# define PTRV unsigned
42718184 1804# endif
e91e3b10
RB		 1805#endif
1806
1807#ifndef INT2PTR
56431972 1808# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1809#endif
e91e3b10
RB		 1810
1811#ifndef PTR2ul
1812# define PTR2ul(p) INT2PTR(unsigned long,p)
1813#endif
1814
56431972
RB		 1815#define NUM2PTR(any,d) (any)(PTRV)(d)
1816#define PTR2IV(p) INT2PTR(IV,p)
1817#define PTR2UV(p) INT2PTR(UV,p)
1818#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1819#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1820
8141890a
JH		 1821/* According to strict ANSI C89 one cannot freely cast between
1822 * data pointers and function (code) pointers. There are at least
1823 * two ways around this. One (used below) is to do two casts,
1824 * first the other pointer to an (unsigned) integer, and then
1825 * the integer to the other pointer. The other way would be
1826 * to use unions to "overlay" the pointers. For an example of
1827 * the latter technique, see union dirpu in struct xpvio in sv.h.
1828 * The only feasible use is probably temporarily storing
1829 * function pointers in a data pointer (such as a void pointer). */
1830
e91e3b10
RB		 1831#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1832#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1833
65202027 1834#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1835# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1836# define LONG_DOUBLE_EQUALS_DOUBLE
1837# endif
68d4903c 1838# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1839# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1840# endif
1841#endif
1842
2d4389e4
JH		 1843#ifdef OVR_DBL_DIG
1844/* Use an overridden DBL_DIG */
1845# ifdef DBL_DIG
1846# undef DBL_DIG
1847# endif
1848# define DBL_DIG OVR_DBL_DIG
1849#else
1850/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1851 default value for printing floating point numbers in Gconvert
1852 (see config.h). (It also has other uses, such as figuring out if
1853 a given precision of printing can be done with a double instead of
1854 a long double - Allen).
2d4389e4
JH		 1855*/
1856#ifdef I_LIMITS
1857#include <limits.h>
1858#endif
1859#ifdef I_FLOAT
1860#include <float.h>
1861#endif
1862#ifndef HAS_DBL_DIG
1863#define DBL_DIG 15 /* A guess that works lots of places */
1864#endif
1865#endif
1866
1867#ifdef OVR_LDBL_DIG
1868/* Use an overridden LDBL_DIG */
1869# ifdef LDBL_DIG
1870# undef LDBL_DIG
1871# endif
1872# define LDBL_DIG OVR_LDBL_DIG
1873#else
1874/* The following is all to get LDBL_DIG, in order to pick a nice
1875 default value for printing floating point numbers in Gconvert.
1876 (see config.h)
1877*/
68d4903c
JH		 1878# ifdef I_LIMITS
1879# include <limits.h>
1880# endif
1881# ifdef I_FLOAT
1882# include <float.h>
1883# endif
1884# ifndef HAS_LDBL_DIG
1885# if LONG_DOUBLESIZE == 10
1886# define LDBL_DIG 18 /* assume IEEE */
1887# else
1888# if LONG_DOUBLESIZE == 12
1889# define LDBL_DIG 18 /* gcc? */
1890# else
1891# if LONG_DOUBLESIZE == 16
1892# define LDBL_DIG 33 /* assume IEEE */
1893# else
1894# if LONG_DOUBLESIZE == DOUBLESIZE
1895# define LDBL_DIG DBL_DIG /* bummer */
1896# endif
1897# endif
1898# endif
1899# endif
1900# endif
2d4389e4
JH		 1901#endif
1902
20f6aaab
AS		 1903/*
1904 * This is for making sure we have a good DBL_MAX value, if possible,
1905 * either for usage as NV_MAX or for usage in figuring out if we can
1906 * fit a given long double into a double, if bug-fixing makes it
1907 * necessary to do so. - Allen <allens@cpan.org>
1908 */
1909
205f51d8
AS		 1910#ifdef I_LIMITS
1911# include <limits.h>
20f6aaab
AS		 1912#endif
1913
205f51d8
AS		 1914#ifdef I_VALUES
1915# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1916# include <values.h>
1917# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1918# define DBL_MAX MAXDOUBLE
1919# endif
1920# if defined(MINDOUBLE) && !defined(DBL_MIN)
1921# define DBL_MIN MINDOUBLE
1922# endif
1923# endif
1924#endif /* defined(I_VALUES) */
1925
a22e52b9 1926typedef NVTYPE NV;
8175356b 1927
792d8dab
JH		 1928#ifdef I_IEEEFP
1929# include <ieeefp.h>
1930#endif
923fc586 1931
65202027 1932#ifdef USE_LONG_DOUBLE
923fc586
JH		 1933# ifdef I_SUNMATH
1934# include <sunmath.h>
1935# endif
2d4389e4 1936# define NV_DIG LDBL_DIG
d6c14000
JH		 1937# ifdef LDBL_MANT_DIG
1938# define NV_MANT_DIG LDBL_MANT_DIG
1939# endif
06fc1729
JH		 1940# ifdef LDBL_MIN
1941# define NV_MIN LDBL_MIN
1942# endif
1943# ifdef LDBL_MAX
1944# define NV_MAX LDBL_MAX
1945# endif
1946# ifdef LDBL_MIN_10_EXP
1947# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1948# endif
1949# ifdef LDBL_MAX_10_EXP
1950# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1951# endif
1952# ifdef LDBL_EPSILON
1953# define NV_EPSILON LDBL_EPSILON
1954# endif
f4a14a62
JH		 1955# ifdef LDBL_MAX
1956# define NV_MAX LDBL_MAX
20f6aaab 1957/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1958# else
1959# ifdef HUGE_VALL
1960# define NV_MAX HUGE_VALL
1961# else
1962# ifdef HUGE_VAL
1963# define NV_MAX ((NV)HUGE_VAL)
1964# endif
1965# endif
1966# endif
68d4903c 1967# ifdef HAS_SQRTL
68d4903c
JH		 1968# define Perl_cos cosl
1969# define Perl_sin sinl
1970# define Perl_sqrt sqrtl
1971# define Perl_exp expl
1972# define Perl_log logl
1973# define Perl_atan2 atan2l
1974# define Perl_pow powl
1975# define Perl_floor floorl
1bbae031 1976# define Perl_ceil ceill
68d4903c
JH		 1977# define Perl_fmod fmodl
1978# endif
a3540c92
JH		 1979/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1980# ifdef HAS_MODFL
1981# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1982/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1983 prototype in <math.h> */
1984# ifndef HAS_MODFL_PROTO
a221a8a5 1985EXTERN_C long double modfl(long double, long double *);
51997bc3 1986# endif
03476e8e
JH		 1987# else
1988# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1989 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1990# define Perl_modf(x,y) Perl_my_modfl(x,y)
1991# endif
a3540c92
JH		 1992# endif
1993# ifdef HAS_FREXPL
dff3e0b8 1994# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1995# else
1996# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1997 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1998# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1999# endif
a3540c92 2000# endif
38dbb4c5 2001# ifndef Perl_isnan
758a5d79
JH		 2002# ifdef HAS_ISNANL
2003# define Perl_isnan(x) isnanl(x)
2004# endif
2005# endif
2006# ifndef Perl_isinf
2007# ifdef HAS_FINITEL
2008# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 2009# endif
2010# endif
65202027 2011#else
2d4389e4 2012# define NV_DIG DBL_DIG
d6c14000
JH		 2013# ifdef DBL_MANT_DIG
2014# define NV_MANT_DIG DBL_MANT_DIG
2015# endif
06fc1729
JH		 2016# ifdef DBL_MIN
2017# define NV_MIN DBL_MIN
2018# endif
2019# ifdef DBL_MAX
2020# define NV_MAX DBL_MAX
2021# endif
2022# ifdef DBL_MIN_10_EXP
2023# define NV_MIN_10_EXP DBL_MIN_10_EXP
2024# endif
2025# ifdef DBL_MAX_10_EXP
2026# define NV_MAX_10_EXP DBL_MAX_10_EXP
2027# endif
2028# ifdef DBL_EPSILON
2029# define NV_EPSILON DBL_EPSILON
2030# endif
205f51d8 2031# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 2032# define NV_MAX DBL_MAX
2033# define NV_MIN DBL_MIN
2034# else
2035# ifdef HUGE_VAL
2036# define NV_MAX HUGE_VAL
2037# endif
2038# endif
65202027
DS		 2039# define Perl_cos cos
2040# define Perl_sin sin
2041# define Perl_sqrt sqrt
2042# define Perl_exp exp
2043# define Perl_log log
2044# define Perl_atan2 atan2
2045# define Perl_pow pow
2046# define Perl_floor floor
1bbae031 2047# define Perl_ceil ceil
65202027 2048# define Perl_fmod fmod
a3540c92 2049# define Perl_modf(x,y) modf(x,y)
dff3e0b8 2050# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 2051#endif
2052
2053/* rumor has it that Win32 has _fpclass() */
2054
205f51d8
AS		 2055/* SGI has fpclassl... but not with the same result values,
2056 * and it's via a typedef (not via #define), so will need to redo Configure
2057 * to use. Not worth the trouble, IMO, at least until the below is used
2058 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
2059 * with me for the SGI manpages, SGI testing, etcetera, if you want to
2060 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
2061
758a5d79
JH		 2062#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2063# ifdef I_IEEFP
2064# include <ieeefp.h>
2065# endif
2066# ifdef I_FP
2067# include <fp.h>
2068# endif
2069# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2070# define Perl_fp_class() fpclassl(x)
2071# else
2072# define Perl_fp_class() fpclass(x)
2073# endif
2074# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2075# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2076# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2077# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2078# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2079# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2080# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2081# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2082# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2083# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2084# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2085# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2086# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2087# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2088# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2089#endif
2090
7114a2d2 2091#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2092# include <math.h>
2093# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2094# include <fp_class.h>
2095# endif
2096# define Perl_fp_class(x) fp_class(x)
2097# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2098# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2099# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2100# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2101# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2102# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2103# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2104# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2105# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2106# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2107# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2108# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2109# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2110# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2111# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2112#endif
2113
2114#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2115# include <math.h>
2116# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2117# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2118# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2119# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2120# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2121# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2122#endif
2123
2124#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2125# include <math.h>
2126# ifndef _cplusplus
2127# define Perl_fp_class(x) class(x)
2128# else
2129# define Perl_fp_class(x) _class(x)
2130# endif
2131# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2132# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2133# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2134# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2135# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2136# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2137# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2138# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2139# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2140# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2141# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2142# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2143# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2144# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2145# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2146#endif
2147
2148/* rumor has it that Win32 has _isnan() */
2149
2150#ifndef Perl_isnan
a3540c92 2151# ifdef HAS_ISNAN
758a5d79
JH		 2152# define Perl_isnan(x) isnan((NV)x)
2153# else
2154# ifdef Perl_fp_class_nan
2155# define Perl_isnan(x) Perl_fp_class_nan(x)
2156# else
2157# ifdef HAS_UNORDERED
2158# define Perl_isnan(x) unordered((x), 0.0)
2159# else
2160# define Perl_isnan(x) ((x)!=(x))
2161# endif
2162# endif
2163# endif
2164#endif
2165
ca6c63e1
JH		 2166#ifdef UNDER_CE
2167int isnan(double d);
2168#endif
2169
758a5d79
JH		 2170#ifndef Perl_isinf
2171# ifdef HAS_ISINF
2172# define Perl_isinf(x) isinf((NV)x)
a3540c92 2173# else
758a5d79
JH		 2174# ifdef Perl_fp_class_inf
2175# define Perl_isinf(x) Perl_fp_class_inf(x)
2176# else
2177# define Perl_isinf(x) ((x)==NV_INF)
2178# endif
2179# endif
2180#endif
2181
2182#ifndef Perl_isfinite
2183# ifdef HAS_FINITE
2184# define Perl_isfinite(x) finite((NV)x)
2185# else
2186# ifdef HAS_ISFINITE
2187# define Perl_isfinite(x) isfinite(x)
2188# else
2189# ifdef Perl_fp_class_finite
2190# define Perl_isfinite(x) Perl_fp_class_finite(x)
2191# else
2192# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2193# endif
2194# endif
a3540c92 2195# endif
65202027
DS		 2196#endif
2197
a36244b7
JH		 2198/* The default is to use Perl's own atof() implementation (in numeric.c).
2199 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2200 * it is however best to use the native implementation of atof.
2201 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2202 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2203 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2204 * you may need to be using a different function than atof! */
a36244b7
JH		 2205
2206#ifndef USE_PERL_ATOF
2207# ifndef _UNICOS
2208# define USE_PERL_ATOF
2209# endif
2210#else
2211# if USE_PERL_ATOF == 0
2212# undef USE_PERL_ATOF
2213# endif
2214#endif
2215
2216#ifdef USE_PERL_ATOF
2217# define Perl_atof(s) Perl_my_atof(s)
2218# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2219#else
2220# define Perl_atof(s) (NV)atof(s)
2221# define Perl_atof2(s, n) ((n) = atof(s))
2222#endif
cf2093f6 2223
d460ef45 2224/* Previously these definitions used hardcoded figures.
760ac839
LW		 2225 * It is hoped these formula are more portable, although
2226 * no data one way or another is presently known to me.
2227 * The "PERL_" names are used because these calculated constants
2228 * do not meet the ANSI requirements for LONG_MAX, etc., which
2229 * need to be constants acceptable to #if - kja
2230 * define PERL_LONG_MAX 2147483647L
2231 * define PERL_LONG_MIN (-LONG_MAX - 1)
2232 * define PERL ULONG_MAX 4294967295L
2233 */
2234
2235#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2236# include <limits.h>
760ac839 2237#endif
205f51d8 2238/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2239 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2240
99abf803 2241/*
2242 * Try to figure out max and min values for the integral types. THE CORRECT
2243 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2244 * following hacks are used if neither limits.h or values.h provide them:
2245 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2246 * for types < int: (unsigned TYPE)~(unsigned)0
2247 * The argument to ~ must be unsigned so that later signed->unsigned
2248 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2249 * and it must not be smaller than int because ~ does integral promotion.
2250 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2251 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2252 * The latter is a hack which happens to work on some machines but
2253 * does *not* catch any random system, or things like integer types
2254 * with NaN if that is possible.
2255 *
2256 * All of the types are explicitly cast to prevent accidental loss of
2257 * numeric range, and in the hope that they will be less likely to confuse
2258 * over-eager optimizers.
2259 *
2260 */
27d4fb96 2261
99abf803 2262#define PERL_UCHAR_MIN ((unsigned char)0)
2263
2264#ifdef UCHAR_MAX
2265# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2266#else
99abf803 2267# ifdef MAXUCHAR
2268# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2269# else
99abf803 2270# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2271# endif
2272#endif
d460ef45 2273
99abf803 2274/*
2275 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2276 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2277 * depending on local options. Until Configure detects this (or at least
2278 * detects whether the "signed" keyword is available) the CHAR ranges
2279 * will not be included. UCHAR functions normally.
2280 * - kja
2281 */
27d4fb96 2282
99abf803 2283#define PERL_USHORT_MIN ((unsigned short)0)
2284
2285#ifdef USHORT_MAX
2286# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2287#else
99abf803 2288# ifdef MAXUSHORT
2289# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2290# else
ef2f54b0
CB		 2291# ifdef USHRT_MAX
2292# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2293# else
2294# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2295# endif
27d4fb96 2296# endif
2297#endif
2298
27d4fb96 2299#ifdef SHORT_MAX
99abf803 2300# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2301#else
2302# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2303# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2304# else
ef2f54b0
CB		 2305# ifdef SHRT_MAX
2306# define PERL_SHORT_MAX ((short)SHRT_MAX)
2307# else
2308# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2309# endif
27d4fb96 2310# endif
2311#endif
2312
2313#ifdef SHORT_MIN
99abf803 2314# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2315#else
2316# ifdef MINSHORT
99abf803 2317# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2318# else
ef2f54b0
CB		 2319# ifdef SHRT_MIN
2320# define PERL_SHORT_MIN ((short)SHRT_MIN)
2321# else
2322# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2323# endif
27d4fb96 2324# endif
2325#endif
2326
99abf803 2327#ifdef UINT_MAX
2328# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2329#else
99abf803 2330# ifdef MAXUINT
2331# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2332# else
99abf803 2333# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2334# endif
2335#endif
2336
99abf803 2337#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2338
2339#ifdef INT_MAX
99abf803 2340# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2341#else
2342# ifdef MAXINT /* Often used in <values.h> */
99abf803 2343# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2344# else
99abf803 2345# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2346# endif
2347#endif
2348
2349#ifdef INT_MIN
99abf803 2350# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2351#else
2352# ifdef MININT
99abf803 2353# define PERL_INT_MIN ((int)MININT)
27d4fb96 2354# else
2355# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2356# endif
2357#endif
2358
99abf803 2359#ifdef ULONG_MAX
2360# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2361#else
99abf803 2362# ifdef MAXULONG
2363# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2364# else
99abf803 2365# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2366# endif
2367#endif
2368
99abf803 2369#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2370
760ac839 2371#ifdef LONG_MAX
99abf803 2372# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2373#else
2374# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2375# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2376# else
99abf803 2377# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2378# endif
2379#endif
2380
2381#ifdef LONG_MIN
99abf803 2382# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2383#else
2384# ifdef MINLONG
99abf803 2385# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2386# else
27d4fb96 2387# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2388# endif
2389#endif
2390
d7d93a81 2391#ifdef UV_IS_QUAD
99abf803 2392
99abf803 2393# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2394# define PERL_UQUAD_MIN ((UV)0)
99abf803 2395# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2396# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2397
79072805
LW		 2398#endif
2399
830247a4 2400struct RExC_state_t;
8e11feef 2401struct _reg_trie_data;
880b20b6 2402
ee0007ab 2403typedef MEM_SIZE STRLEN;
450a55e4 2404
598921a7
NC		 2405#ifdef PERL_MAD
2406typedef struct token TOKEN;
2407typedef struct madprop MADPROP;
2408typedef struct nexttoken NEXTTOKE;
2409#endif
79072805
LW		 2410typedef struct op OP;
2411typedef struct cop COP;
2412typedef struct unop UNOP;
2413typedef struct binop BINOP;
2414typedef struct listop LISTOP;
2415typedef struct logop LOGOP;
79072805
LW		 2416typedef struct pmop PMOP;
2417typedef struct svop SVOP;
7934575e 2418typedef struct padop PADOP;
79072805 2419typedef struct pvop PVOP;
79072805
LW		 2420typedef struct loop LOOP;
2421
52db365a 2422typedef struct block_hooks BHK;
1830b3d9 2423typedef struct custom_op XOP;
52db365a 2424
cd1541b2
NC		 2425typedef struct interpreter PerlInterpreter;
2426
d2b3f365
SS		 2427/* Amdahl's <ksync.h> has struct sv */
2428/* SGI's <sys/sema.h> has struct sv */
2429#if defined(UTS) || defined(__sgi)
2430# define STRUCT_SV perl_sv
b8d3c5db
JH		 2431#else
2432# define STRUCT_SV sv
2433#endif
2434typedef struct STRUCT_SV SV;
79072805
LW		 2435typedef struct av AV;
2436typedef struct hv HV;
2437typedef struct cv CV;
d2f13c59 2438typedef struct p5rx REGEXP;
79072805 2439typedef struct gp GP;
0c30d9ec 2440typedef struct gv GV;
8990e307 2441typedef struct io IO;
c09156bb 2442typedef struct context PERL_CONTEXT;
79072805
LW		 2443typedef struct block BLOCK;
2444
2445typedef struct magic MAGIC;
2446typedef struct xpv XPV;
2447typedef struct xpviv XPVIV;
ff68c719 2448typedef struct xpvuv XPVUV;
79072805
LW		 2449typedef struct xpvnv XPVNV;
2450typedef struct xpvmg XPVMG;
2451typedef struct xpvlv XPVLV;
2452typedef struct xpvav XPVAV;
2453typedef struct xpvhv XPVHV;
2454typedef struct xpvgv XPVGV;
2455typedef struct xpvcv XPVCV;
2456typedef struct xpvbm XPVBM;
2457typedef struct xpvfm XPVFM;
8990e307 2458typedef struct xpvio XPVIO;
79072805
LW		 2459typedef struct mgvtbl MGVTBL;
2460typedef union any ANY;
5f7fde29
GS		 2461typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2462typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2463typedef struct clone_params CLONE_PARAMS;
2464
378cc40b 2465#include "handy.h"
a0d0e21e 2466
6b8eaf93 2467#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2468# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2469# define USE_64_BIT_RAWIO /* implicit */
2470# endif
4564133c
JH		 2471#endif
2472
6b8eaf93
JH		 2473/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2474 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2475 * however, because operating systems like to do that themself. */
2476#ifndef FSEEKSIZE
2477# ifdef HAS_FSEEKO
2478# define FSEEKSIZE LSEEKSIZE
2479# else
2480# define FSEEKSIZE LONGSIZE
d460ef45 2481# endif
6b8eaf93
JH		 2482#endif
2483
2484#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2485# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2486# define USE_64_BIT_STDIO /* implicit */
2487# endif
2488#endif
4564133c 2489
09458382 2490#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2491# ifdef HAS_OFF64_T
2492# undef Off_t
2493# define Off_t off64_t
2494# undef LSEEKSIZE
2495# define LSEEKSIZE 8
5ff3f7a4 2496# endif
d9b3e12d
JH		 2497/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2498 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2499 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2500# if defined(USE_OPEN64)
2501# define open open64
5ff3f7a4 2502# endif
d9b3e12d
JH		 2503# if defined(USE_LSEEK64)
2504# define lseek lseek64
6b8eaf93
JH		 2505# else
2506# if defined(USE_LLSEEK)
2507# define lseek llseek
2508# endif
d9b3e12d
JH		 2509# endif
2510# if defined(USE_STAT64)
2511# define stat stat64
2512# endif
2513# if defined(USE_FSTAT64)
2514# define fstat fstat64
2515# endif
2516# if defined(USE_LSTAT64)
2517# define lstat lstat64
2518# endif
2519# if defined(USE_FLOCK64)
2520# define flock flock64
2521# endif
2522# if defined(USE_LOCKF64)
2523# define lockf lockf64
2524# endif
2525# if defined(USE_FCNTL64)
2526# define fcntl fcntl64
2527# endif
2528# if defined(USE_TRUNCATE64)
2529# define truncate truncate64
2530# endif
2531# if defined(USE_FTRUNCATE64)
2532# define ftruncate ftruncate64
2533# endif
2534#endif
2535
2536#ifdef USE_64_BIT_STDIO
2537# ifdef HAS_FPOS64_T
2538# undef Fpos_t
2539# define Fpos_t fpos64_t
2540# endif
2541/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2542 * will trigger defines like the ones below. Some 64-bit environments,
2543 * however, do not. */
2544# if defined(USE_FOPEN64)
2545# define fopen fopen64
2546# endif
2547# if defined(USE_FSEEK64)
6b8eaf93 2548# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2549# endif
2550# if defined(USE_FTELL64)
6b8eaf93 2551# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2552# endif
2553# if defined(USE_FSETPOS64)
2554# define fsetpos fsetpos64
2555# endif
2556# if defined(USE_FGETPOS64)
2557# define fgetpos fgetpos64
2558# endif
2559# if defined(USE_TMPFILE64)
2560# define tmpfile tmpfile64
2561# endif
2562# if defined(USE_FREOPEN64)
2563# define freopen freopen64
5ff3f7a4
GS		 2564# endif
2565#endif
2566
e37778c2 2567#if defined(OS2)
2c2d71f5
JH		 2568# include "iperlsys.h"
2569#endif
2570
6f71a643 2571#if defined(__OPEN_VM)
19848b3f
JH		 2572# include "vmesa/vmesaish.h"
2573# define ISHISH "vmesa"
6f71a643
JH		 2574#endif
2575
748a9306 2576#ifdef DOSISH
19848b3f
JH		 2577# if defined(OS2)
2578# include "os2ish.h"
2579# else
2580# include "dosish.h"
2581# endif
2582# define ISHISH "dos"
2583#endif
2584
2585#if defined(VMS)
748a9306 2586# include "vmsish.h"
96e176bf 2587# include "embed.h"
eb8433b7
NC		 2588# ifndef PERL_MAD
2589# undef op_getmad
b3f24c00 2590# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2591# endif
19848b3f
JH		 2592# define ISHISH "vms"
2593#endif
2594
2595#if defined(PLAN9)
2596# include "./plan9/plan9ish.h"
2597# define ISHISH "plan9"
2598#endif
2599
2600#if defined(MPE)
2601# include "mpeix/mpeixish.h"
2602# define ISHISH "mpeix"
2603#endif
2604
2605#if defined(__VOS__)
196918b0
PG		 2606# ifdef __GNUC__
2607# include "./vos/vosish.h"
2608# else
2609# include "vos/vosish.h"
2610# endif
19848b3f
JH		 2611# define ISHISH "vos"
2612#endif
2613
2614#if defined(EPOC)
2615# include "epocish.h"
2616# define ISHISH "epoc"
2617#endif
2618
9969cdde 2619#ifdef __SYMBIAN32__
27da23d5
JH		 2620# include "symbian/symbianish.h"
2621# include "embed.h"
eb8433b7
NC		 2622# ifndef PERL_MAD
2623# undef op_getmad
b3f24c00 2624# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2625# endif
27da23d5
JH		 2626# define ISHISH "symbian"
2627#endif
2628
19848b3f 2629
df00ff3b
IW		 2630#if defined(__HAIKU__)
2631# include "haiku/haikuish.h"
2632# define ISHISH "haiku"
2633#elif defined(__BEOS__)
efca5cc6
JH		 2634# include "beos/beosish.h"
2635# define ISHISH "beos"
2636#endif
2637
19848b3f
JH		 2638#ifndef ISHISH
2639# include "unixish.h"
2640# define ISHISH "unix"
13b6e58c
JH		 2641#endif
2642
2946a158
JH		 2643/* NSIG logic from Configure --> */
2644/* Strange style to avoid deeply-nested #if/#else/#endif */
2645#ifndef NSIG
2646# ifdef _NSIG
2647# define NSIG (_NSIG)
2648# endif
2649#endif
2650
2651#ifndef NSIG
2652# ifdef SIGMAX
2653# define NSIG (SIGMAX+1)
2654# endif
2655#endif
2656
2657#ifndef NSIG
2658# ifdef SIG_MAX
2659# define NSIG (SIG_MAX+1)
2660# endif
2661#endif
2662
2663#ifndef NSIG
2664# ifdef _SIG_MAX
2665# define NSIG (_SIG_MAX+1)
2666# endif
2667#endif
2668
2669#ifndef NSIG
2670# ifdef MAXSIG
2671# define NSIG (MAXSIG+1)
2672# endif
2673#endif
2674
2675#ifndef NSIG
2676# ifdef MAX_SIG
2677# define NSIG (MAX_SIG+1)
2678# endif
2679#endif
2680
2681#ifndef NSIG
2682# ifdef SIGARRAYSIZE
2683# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2684# endif
2685#endif
2686
2687#ifndef NSIG
2688# ifdef _sys_nsig
2689# define NSIG (_sys_nsig) /* Solaris 2.5 */
2690# endif
2691#endif
2692
2693/* Default to some arbitrary number that's big enough to get most
2694 of the common signals.
2695*/
2696#ifndef NSIG
2697# define NSIG 50
2698#endif
2699/* <-- NSIG logic from Configure */
2700
13b6e58c
JH		 2701#ifndef NO_ENVIRON_ARRAY
2702# define USE_ENVIRON_ARRAY
2703#endif
32f822de 2704
c77b533b
JH		 2705/*
2706 * initialise to avoid floating-point exceptions from overflow, etc
2707 */
2708#ifndef PERL_FPU_INIT
2709# ifdef HAS_FPSETMASK
2710# if HAS_FLOATINGPOINT_H
2711# include <floatingpoint.h>
2712# endif
ad3a8c67
NC		 2713/* Some operating systems have this as a macro, which in turn expands to a comma
2714 expression, and the last sub-expression is something that gets calculated,
2715 and then they have the gall to warn that a value computed is not used. Hence
2716 cast to void. */
2717# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2718# else
2f42fcb0 2719# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2720# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2721# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2722# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2723# else
2724# define PERL_FPU_INIT
2f42fcb0 2725
7014c407 2726# endif
c77b533b
JH		 2727# endif
2728#endif
b35112e7
CS		 2729#ifndef PERL_FPU_PRE_EXEC
2730# define PERL_FPU_PRE_EXEC {
2731# define PERL_FPU_POST_EXEC }
2732#endif
c77b533b 2733
cbec8ebe
DM		 2734#ifndef PERL_SYS_INIT3_BODY
2735# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2736#endif
2737
eb533572
DM		 2738/*
2739=for apidoc Am|void|PERL_SYS_INIT|int argc|char** argv
2740Provides system-specific tune up of the C runtime environment necessary to
2741run Perl interpreters. This should be called only once, before creating
2742any Perl interpreters.
2743
2744=for apidoc Am|void|PERL_SYS_INIT3|int argc|char** argv|char** env
2745Provides system-specific tune up of the C runtime environment necessary to
2746run Perl interpreters. This should be called only once, before creating
2747any Perl interpreters.
2748
2749=for apidoc Am|void|PERL_SYS_TERM|
2750Provides system-specific clean up of the C runtime environment after
2751running Perl interpreters. This should be called only once, after
2752freeing any remaining Perl interpreters.
2753
2754=cut
2755 */
2756
cbec8ebe
DM		 2757#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2758#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2759#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2760
be708cc0
JH		 2761#ifndef PERL_WRITE_MSG_TO_CONSOLE
2762# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2763#endif
2764
0f31cffe
GS		 2765#ifndef MAXPATHLEN
2766# ifdef PATH_MAX
b990c8b2
JH		 2767# ifdef _POSIX_PATH_MAX
2768# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2769/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2770 * included the null byte or not. Later amendments of POSIX,
2771 * XPG4, the Austin Group, and the Single UNIX Specification
2772 * all explicitly include the null byte in the PATH_MAX.
2773 * Ditto for _POSIX_PATH_MAX. */
2774# define MAXPATHLEN PATH_MAX
b990c8b2 2775# else
09448d78 2776# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2777# endif
2778# else
2779# define MAXPATHLEN (PATH_MAX+1)
2780# endif
0f31cffe 2781# else
b990c8b2 2782# ifdef _POSIX_PATH_MAX
09448d78 2783# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2784# else
2785# define MAXPATHLEN 1024 /* Err on the large side. */
2786# endif
0f31cffe
GS		 2787# endif
2788#endif
2789
c80263a8
SH		 2790/* In case Configure was not used (we are using a "canned config"
2791 * such as Win32, or a cross-compilation setup, for example) try going
2792 * by the gcc major and minor versions. One useful URL is
2793 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2794 * but contrary to this information warn_unused_result seems
2795 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2796 * Also, when building extensions with an installed perl, this allows
2797 * the user to upgrade gcc and get the right attributes, rather than
2798 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2799 * Set these up now otherwise we get confused when some of the <*thread.h>
2800 * includes below indirectly pull in <perlio.h> (which needs to know if we
2801 * have HASATTRIBUTE_FORMAT).
2802 */
2803
4d7c7898 2804#ifndef PERL_MICRO
fc2007d4 2805#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2806# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2807# define HASATTRIBUTE_DEPRECATED
2808# endif
c80263a8
SH		 2809# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2810# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2811# if defined __MINGW32__
2812# define PRINTF_FORMAT_NULL_OK
2813# endif
c80263a8
SH		 2814# endif
2815# if __GNUC__ >= 3 /* 3.0 -> */
2816# define HASATTRIBUTE_MALLOC
2817# endif
2818# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2819# define HASATTRIBUTE_NONNULL
2820# endif
2821# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2822# define HASATTRIBUTE_NORETURN
2823# endif
2824# if __GNUC__ >= 3 /* gcc 3.0 -> */
2825# define HASATTRIBUTE_PURE
2826# endif
42bf5550 2827# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2828# define HASATTRIBUTE_UNUSED
2829# endif
d324fe49
AD		 2830# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2831# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2832# endif
c80263a8
SH		 2833# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2834# define HASATTRIBUTE_WARN_UNUSED_RESULT
2835# endif
2836#endif
00f254e2 2837#endif /* #ifndef PERL_MICRO */
c80263a8 2838
3db8f154 2839/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2840 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2841 * this results in many functions being undeclared which bothers C++
2842 * May make sense to have threads after "*ish.h" anyway
2843 */
2844
3db8f154 2845#if defined(USE_ITHREADS)
2986a63f
JH		 2846# ifdef NETWARE
2847# include <nw5thread.h>
2848# else
32f822de
GS		 2849# ifdef FAKE_THREADS
2850# include "fakethr.h"
2851# else
2852# ifdef WIN32
2853# include <win32thread.h>
2854# else
dd96f567
IZ		 2855# ifdef OS2
2856# include "os2thread.h"
2857# else
7f3d1cf1 2858# ifdef I_MACH_CTHREADS
bdd66968 2859# include <mach/cthreads.h>
8f1f23e8 2860# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2861# define MUTEX_INIT_CALLS_MALLOC
2862# endif
7f3d1cf1
BH		 2863typedef cthread_t perl_os_thread;
2864typedef mutex_t perl_mutex;
2865typedef condition_t perl_cond;
2866typedef void * perl_key;
2867# else /* Posix threads */
1f5ae88c
JH		 2868# ifdef I_PTHREAD
2869# include <pthread.h>
2870# endif
7f3d1cf1
BH		 2871typedef pthread_t perl_os_thread;
2872typedef pthread_mutex_t perl_mutex;
2873typedef pthread_cond_t perl_cond;
2874typedef pthread_key_t perl_key;
2875# endif /* I_MACH_CTHREADS */
dd96f567 2876# endif /* OS2 */
32f822de
GS		 2877# endif /* WIN32 */
2878# endif /* FAKE_THREADS */
2986a63f 2879#endif /* NETWARE */
3db8f154 2880#endif /* USE_ITHREADS */
c5be433b 2881
66a93824 2882#if defined(WIN32)
1feb2720 2883# include "win32.h"
c5be433b
GS		 2884#endif
2885
2986a63f
JH		 2886#ifdef NETWARE
2887# include "netware.h"
2888#endif
2889
e5218da5 2890#define STATUS_UNIX PL_statusvalue
68dc0745 2891#ifdef VMS
6b88bc9c 2892# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2893/*
2894 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2895 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2896 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2897 * be updated also.
2898 */
2899# include <stsdef.h>
2900# include <ssdef.h>
2901/* Presume this because if VMS changes it, it will require a new
2902 * set of APIs for waiting on children for binary compatibility.
2903 */
2904# define child_offset_bits (8)
2905# ifndef C_FAC_POSIX
2906# define C_FAC_POSIX 0x35A000
2907# endif
2908
2909/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2910 * platform from the existing UNIX or Native status values.
2911 */
2912
37038d91 2913# define STATUS_EXIT \
7a7fd8e0
JM		 2914 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2915 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2916
7a7fd8e0 2917
fb38d079
JM		 2918/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2919 * exit code and shifts the UNIX value over the correct number of bits to
2920 * be a child status. Usually the number of bits is 8, but that could be
2921 * platform dependent. The NATIVE status code is presumed to have either
2922 * from a child process.
7a7fd8e0
JM		 2923 */
2924
fb38d079
JM		 2925/* This is complicated. The child processes return a true native VMS
2926 status which must be saved. But there is an assumption in Perl that
2927 the UNIX child status has some relationship to errno values, so
00f254e2 2928 Perl tries to translate it to text in some of the tests.
fb38d079
JM		 2929 In order to get the string translation correct, for the error, errno
2930 must be EVMSERR, but that generates a different text message
2931 than what the test programs are expecting. So an errno value must
2932 be derived from the native status value when an error occurs.
2933 That will hide the true native status message. With this version of
2934 perl, the true native child status can always be retrieved so that
2935 is not a problem. But in this case, Pl_statusvalue and errno may
2936 have different values in them.
2937 */
7a7fd8e0 2938
fb38d079 2939# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2940 STMT_START { \
2fbb330f
JM		 2941 I32 evalue = (I32)n; \
2942 if (evalue == EVMSERR) { \
2943 PL_statusvalue_vms = vaxc$errno; \
2944 PL_statusvalue = evalue; \
7a7fd8e0 2945 } else { \
2fbb330f 2946 PL_statusvalue_vms = evalue; \
fb38d079 2947 if (evalue == -1) { \
3280af22 2948 PL_statusvalue = -1; \
7a7fd8e0
JM		 2949 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2950 } else \
fb38d079 2951 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2952 set_vaxc_errno(evalue); \
fb38d079
JM		 2953 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2954 set_errno(EVMSERR); \
2955 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2956 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2957 } \
68dc0745 2958 } STMT_END
7a7fd8e0 2959
68dc0745 2960# ifdef VMSISH_STATUS
e5218da5 2961# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2962# else
e5218da5 2963# define STATUS_CURRENT STATUS_UNIX
68dc0745 2964# endif
7a7fd8e0
JM		 2965
2966 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2967 * the NATIVE status to an equivalent value. Can not be used to translate
2968 * exit code values as exit code values are not guaranteed to have any
2969 * relationship at all to errno values.
2970 * This is used when Perl is forcing errno to have a specific value.
2971 */
e5218da5 2972# define STATUS_UNIX_SET(n) \
68dc0745 2973 STMT_START { \
7a7fd8e0 2974 I32 evalue = (I32)n; \
0968cdad 2975 PL_statusvalue = evalue; \
3280af22 2976 if (PL_statusvalue != -1) { \
0968cdad
JM		 2977 if (PL_statusvalue != EVMSERR) { \
2978 PL_statusvalue &= 0xFFFF; \
2979 if (MY_POSIX_EXIT) \
2980 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2981 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2982 } \
2983 else { \
2984 PL_statusvalue_vms = vaxc$errno; \
2985 } \
68dc0745 2986 } \
0968cdad
JM		 2987 else PL_statusvalue_vms = SS$_ABORT; \
2988 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2989 } STMT_END
2990
2991 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 2992 * the NATIVE error status based on it.
2993 *
2994 * When in the default mode to comply with the Perl VMS documentation,
2995 * 0 is a success and any other code sets the NATIVE status to a failure
2996 * code of SS$_ABORT.
fb38d079
JM		 2997 *
2998 * In the new POSIX EXIT mode, native status will be set so that the
2999 * actual exit code will can be retrieved by the calling program or
3000 * shell.
3001 *
3002 * If the exit code is not clearly a UNIX parent or child exit status,
3003 * it will be passed through as a VMS status.
7a7fd8e0
JM		 3004 */
3005
fb38d079 3006# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 3007 STMT_START { \
3008 I32 evalue = (I32)n; \
3009 PL_statusvalue = evalue; \
e08e1e1d
JM		 3010 if (MY_POSIX_EXIT) { \
3011 if (evalue <= 0xFF00) { \
3012 if (evalue > 0xFF) \
3013 evalue = (evalue >> child_offset_bits) & 0xFF; \
3014 PL_statusvalue_vms = \
3015 (C_FAC_POSIX | (evalue << 3 ) | \
3016 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
3017 } else /* forgive them Perl, for they have sinned */ \
3018 PL_statusvalue_vms = evalue; \
3019 } else { \
3020 if (evalue == 0) \
3021 PL_statusvalue_vms = SS$_NORMAL; \
3022 else if (evalue <= 0xFF00) \
3023 PL_statusvalue_vms = SS$_ABORT; \
3024 else { /* forgive them Perl, for they have sinned */ \
3025 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3026 else PL_statusvalue_vms = vaxc$errno; \
3027 /* And obviously used a VMS status value instead of UNIX */ \
3028 PL_statusvalue = EVMSERR; \
3029 } \
3030 set_vaxc_errno(PL_statusvalue_vms); \
3031 } \
68dc0745 3032 } STMT_END
fb38d079 3033
e08e1e1d 3034
6ac6a52b
JM		 3035 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3036 * and sets the NATIVE error status based on it. This special case
3037 * is needed to maintain compatibility with past VMS behavior.
3038 *
3039 * In the default mode on VMS, this number is passed through as
3040 * both the NATIVE and UNIX status. Which makes it different
3041 * that the STATUS_UNIX_EXIT_SET.
3042 *
3043 * In the new POSIX EXIT mode, native status will be set so that the
3044 * actual exit code will can be retrieved by the calling program or
3045 * shell.
3046 *
1a3aec58
JM		 3047 * A POSIX exit code is from 0 to 255. If the exit code is higher
3048 * than this, it needs to be assumed that it is a VMS exit code and
3049 * passed through.
6ac6a52b
JM		 3050 */
3051
3052# define STATUS_EXIT_SET(n) \
3053 STMT_START { \
3054 I32 evalue = (I32)n; \
3055 PL_statusvalue = evalue; \
3056 if (MY_POSIX_EXIT) \
1a3aec58
JM		 3057 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3058 PL_statusvalue_vms = \
3059 (C_FAC_POSIX | (evalue << 3 ) | \
3060 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 3061 else \
3062 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3063 set_vaxc_errno(PL_statusvalue_vms); \
3064 } STMT_END
3065
fb38d079
JM		 3066
3067 /* This macro forces a success status */
7a7fd8e0
JM		 3068# define STATUS_ALL_SUCCESS \
3069 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 3070
3071 /* This macro forces a failure status */
7a7fd8e0
JM		 3072# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3073 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3074 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3075
68dc0745 3076#else
e5218da5 3077# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3078# if defined(WCOREDUMP)
37038d91 3079# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3080 STMT_START { \
3081 PL_statusvalue_posix = (n); \
3082 if (PL_statusvalue_posix == -1) \
3083 PL_statusvalue = -1; \
3084 else { \
3085 PL_statusvalue = \
3086 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3087 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3088 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3089 } \
3090 } STMT_END
3091# elif defined(WIFEXITED)
37038d91 3092# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3093 STMT_START { \
3094 PL_statusvalue_posix = (n); \
3095 if (PL_statusvalue_posix == -1) \
3096 PL_statusvalue = -1; \
3097 else { \
3098 PL_statusvalue = \
3099 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3100 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3101 } \
3102 } STMT_END
3103# else
37038d91 3104# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3105 STMT_START { \
3106 PL_statusvalue_posix = (n); \
3107 if (PL_statusvalue_posix == -1) \
3108 PL_statusvalue = -1; \
3109 else { \
3110 PL_statusvalue = \
3111 PL_statusvalue_posix & 0xFFFF; \
3112 } \
3113 } STMT_END
3114# endif
3115# define STATUS_UNIX_SET(n) \
68dc0745 3116 STMT_START { \
3280af22
NIS		 3117 PL_statusvalue = (n); \
3118 if (PL_statusvalue != -1) \
3119 PL_statusvalue &= 0xFFFF; \
68dc0745 3120 } STMT_END
7a7fd8e0 3121# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3122# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3123# define STATUS_CURRENT STATUS_UNIX
37038d91 3124# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3125# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3126# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3127#endif
3128
cc3604b1
GS		 3129/* flags in PL_exit_flags for nature of exit() */
3130#define PERL_EXIT_EXPECTED 0x01
31d77e54 3131#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3132
b79b76e0 3133#ifndef PERL_CORE
a7cb1f99 3134/* format to use for version numbers in file/directory names */
273cf8d1 3135/* XXX move to Configure? */
b79b76e0
NC		 3136/* This was only ever used for the current version, and that can be done at
3137 compile time, as PERL_FS_VERSION, so should we just delete it? */
3138# ifndef PERL_FS_VER_FMT
3139# define PERL_FS_VER_FMT "%d.%d.%d"
3140# endif
3141#endif
3142
3143#ifndef PERL_FS_VERSION
3144# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS		 3145#endif
3146
45bc9206 3147/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3148 * performance issue, so we allow people to disable it. Also, if
3149 * we are using stdio, there are broken implementations of fflush(NULL)
3150 * out there, Solaris being the most prominent.
45bc9206
GS		 3151 */
3152#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3153# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3154# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3155# else
3156# ifdef FFLUSH_ALL
3157# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3158# else
c5be433b 3159# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3160# endif
66fe083f 3161# endif
45bc9206
GS		 3162#endif
3163
7766f137
GS		 3164#ifndef PERL_WAIT_FOR_CHILDREN
3165# define PERL_WAIT_FOR_CHILDREN NOOP
3166#endif
3167
ba869deb 3168/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3169#ifndef PERL_SET_INTERP
3170# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3171#endif
3172
3173#ifndef PERL_GET_INTERP
3174# define PERL_GET_INTERP (PL_curinterp)
3175#endif
3176
54aff467 3177#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3178# ifdef MULTIPLICITY
ba869deb 3179# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3180# endif
ba869deb
GS		 3181# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3182#endif
3183
00f254e2 3184/*
8896765a 3185 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3186 All that is required is that the perl source does not
00f254e2
KW		 3187 use "%-p" or "%-<number>p" or "%<number>p" formats.
3188 These formats will still work in perl code.
486ec47a 3189 See comments in sv.c for further details.
8896765a 3190
8896765a 3191 Robin Barker 2005-07-14
f46d31f2 3192
00f254e2 3193 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3194*/
8896765a
RB		 3195
3196#ifndef SVf_
63ce7bf0 3197# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3198#endif
3199
8896765a 3200#ifndef SVf
104abab4 3201# define SVf "-p"
d2560b70
RB		 3202#endif
3203
014ead4b 3204#ifndef SVf32
8896765a 3205# define SVf32 SVf_(32)
014ead4b
RB		 3206#endif
3207
3208#ifndef SVf256
8896765a
RB		 3209# define SVf256 SVf_(256)
3210#endif
3211
be2597df
MHM		 3212#define SVfARG(p) ((void*)(p))
3213
f46d31f2 3214#ifdef PERL_CORE
486ec47a 3215/* not used; but needed for backward compatibility with XS code? - RMB */
f46d31f2
RB		 3216# undef VDf
3217#else
3218# ifndef VDf
8896765a
RB		 3219# define VDf "vd"
3220# endif
014ead4b 3221#endif
170cd9e9
NC		 3222
3223#ifdef PERL_CORE
486ec47a 3224/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB		 3225# undef UVf
3226#else
170cd9e9
NC		 3227# ifndef UVf
3228# define UVf UVuf
3229# endif
d2560b70
RB		 3230#endif
3231
fcdf39cf
RGS		 3232#ifdef HASATTRIBUTE_DEPRECATED
3233# define __attribute__deprecated__ __attribute__((deprecated))
3234#endif
0dbb1585
AL		 3235#ifdef HASATTRIBUTE_FORMAT
3236# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3237#endif
3238#ifdef HASATTRIBUTE_MALLOC
77785eea 3239# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3240#endif
0dbb1585 3241#ifdef HASATTRIBUTE_NONNULL
abb2c242 3242# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3243#endif
0dbb1585 3244#ifdef HASATTRIBUTE_NORETURN
abb2c242 3245# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3246#endif
0dbb1585 3247#ifdef HASATTRIBUTE_PURE
abb2c242 3248# define __attribute__pure__ __attribute__((pure))
f22be1b8 3249#endif
0dbb1585
AL		 3250#ifdef HASATTRIBUTE_UNUSED
3251# define __attribute__unused__ __attribute__((unused))
3252#endif
3253#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3254# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3255#endif
3256
0dbb1585 3257/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3258#ifndef __attribute__deprecated__
3259# define __attribute__deprecated__
3260#endif
0dbb1585
AL		 3261#ifndef __attribute__format__
3262# define __attribute__format__(x,y,z)
3263#endif
f22be1b8 3264#ifndef __attribute__malloc__
abb2c242 3265# define __attribute__malloc__
f22be1b8
JH		 3266#endif
3267#ifndef __attribute__nonnull__
abb2c242 3268# define __attribute__nonnull__(a)
f22be1b8
JH		 3269#endif
3270#ifndef __attribute__noreturn__
abb2c242 3271# define __attribute__noreturn__
f22be1b8
JH		 3272#endif
3273#ifndef __attribute__pure__
abb2c242 3274# define __attribute__pure__
f22be1b8 3275#endif
0dbb1585
AL		 3276#ifndef __attribute__unused__
3277# define __attribute__unused__
3278#endif
f22be1b8 3279#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3280# define __attribute__warn_unused_result__
3281#endif
3282
0dbb1585
AL		 3283/* For functions that are marked as __attribute__noreturn__, it's not
3284 appropriate to call return. In either case, include the lint directive.
3285 */
3286#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3287# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3288#else
b37c2d43 3289# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH		 3290#endif
3291
cdfeb707
RB		 3292/* Some OS warn on NULL format to printf */
3293#ifdef PRINTF_FORMAT_NULL_OK
3294# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3295#else
00f254e2 3296# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB		 3297#endif
3298
635aebb7 3299#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3300# define EXPECT(expr,val) __builtin_expect(expr,val)
3301#else
3302# define EXPECT(expr,val) (expr)
3303#endif
3304#define LIKELY(cond) EXPECT(cond,1)
3305#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3306#ifdef HAS_BUILTIN_CHOOSE_EXPR
3307/* placeholder */
3308#endif
b37c2d43 3309
3fc1aec6 3310/* Some unistd.h's give a prototype for pause() even though
3311 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3312 below to be rejected by the compiler. Sigh.
3fc1aec6 3313*/
3314#ifdef HAS_PAUSE
3315#define Pause pause
3316#else
3317#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3318#endif
3319
3320#ifndef IOCPARM_LEN
3321# ifdef IOCPARM_MASK
61f1c44b 3322 /* on BSDish systems we're safe */
748a9306
LW		 3323# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3324# else
61f1c44b 3325# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3326 /* on Linux systems we're safe; except when we're not [perl #38223] */
3327# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3328# else
748a9306 3329 /* otherwise guess at what's safe */
61f1c44b
JVD		 3330# define IOCPARM_LEN(x) 256
3331# endif
748a9306 3332# endif
a0d0e21e
LW		 3333#endif
3334
1761cee5 3335#if defined(__CYGWIN__)
521e0776
GS		 3336/* USEMYBINMODE
3337 * This symbol, if defined, indicates that the program should
16fe6d59 3338 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3339 * that a file is in "binary" mode -- that is, that no translation
3340 * of bytes occurs on read or write operations.
3341 */
36894f0b 3342# define USEMYBINMODE /**/
77a40698 3343# include <io.h> /* for setmode() prototype */
16fe6d59 3344# define my_binmode(fp, iotype, mode) \
77a40698 3345 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3346#endif
3347
88d10794
JH		 3348#ifdef __CYGWIN__
3349void init_os_extras(void);
3350#endif
3351
cea2e8a9
GS		 3352#ifdef UNION_ANY_DEFINITION
3353UNION_ANY_DEFINITION;
3354#else
3355union any {
3356 void* any_ptr;
3357 I32 any_i32;
3358 IV any_iv;
c6bf6a65 3359 UV any_uv;
cea2e8a9 3360 long any_long;
9febdf04 3361 bool any_bool;
c76ac1ee 3362 void (*any_dptr) (void*);
acfe0abc 3363 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3364};
3365#endif
3366
acfe0abc 3367typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3368
3369#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3370#define FILTER_DATA(idx) \
3371 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3372#define FILTER_ISREADER(idx) \
3373 (PL_parser && PL_parser->rsfp_filters \
3374 && idx >= AvFILLp(PL_parser->rsfp_filters))
3375#define PERL_FILTER_EXISTS(i) \
3376 (PL_parser && PL_parser->rsfp_filters \
3377 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3378
c5078cac
JH		 3379#if defined(_AIX) && !defined(_AIX43)
3380#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3381/* We cannot include <crypt.h> to get the struct crypt_data
3382 * because of setkey prototype problems when threading */
3383typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3384 /* From OSF, Not needed in AIX
3385 char C[28], D[28];
3386 */
3387 char E[48];
3388 char KS[16][48];
3389 char block[66];
3390 char iobuf[16];
3391} CRYPTD;
3392#endif /* threading */
3393#endif /* AIX */
3394
e37778c2 3395#if !defined(OS2)
2c2d71f5
JH		 3396# include "iperlsys.h"
3397#endif
504f80c1 3398
9c12f1e5 3399#ifdef __LIBCATAMOUNT__
00f254e2 3400#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS		 3401#undef HAS_GROUP
3402#define FAKE_BIT_BUCKET
3403#endif
3404
d10dc2ae
JH		 3405/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3406 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3407 * defined by Configure, despite their names being similar to the
3408 * other defines like USE_ITHREADS. Configure in fact knows nothing
3409 * about the randomised hashes. Therefore to enable/disable the hash
3410 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3411#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3412# define USE_HASH_SEED
504f80c1
JH		 3413#endif
3414
598921a7
NC		 3415/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3416 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3417 * it's not really needed.
3418 */
3419#if defined(WIN32)
3420# define YYTOKENTYPE
3421#endif
3422#include "perly.h"
3423
3424#ifdef PERL_MAD
3425struct nexttoken {
3426 YYSTYPE next_val; /* value of next token, if any */
3427 I32 next_type; /* type of next token */
3428 MADPROP *next_mad; /* everything else about that token */
3429};
3430#endif
3431
654eccd5
JD		 3432/* macros to define bit-fields in structs. */
3433#ifndef PERL_BITFIELD8
3434# define PERL_BITFIELD8 unsigned
3435#endif
3436#ifndef PERL_BITFIELD16
3437# define PERL_BITFIELD16 unsigned
3438#endif
3439#ifndef PERL_BITFIELD32
3440# define PERL_BITFIELD32 unsigned
3441#endif
3442
79072805 3443#include "sv.h"
288b8c02 3444#include "regexp.h"
378cc40b 3445#include "util.h"
8d063cd8 3446#include "form.h"
79072805 3447#include "gv.h"
dd2155a4 3448#include "pad.h"
79072805 3449#include "cv.h"
abdd5c84 3450#include "opnames.h"
79072805 3451#include "op.h"
b3ca2e83 3452#include "hv.h"
79072805
LW		 3453#include "cop.h"
3454#include "av.h"
79072805
LW		 3455#include "mg.h"
3456#include "scope.h"
4438c4b7 3457#include "warnings.h"
a0ed51b3 3458#include "utf8.h"
8d063cd8 3459
0d7d409d
DM		 3460/* these would be in doio.h if there was such a file */
3461#define my_stat() my_stat_flags(SV_GMAGIC)
3462#define my_lstat() my_lstat_flags(SV_GMAGIC)
3463
20f4945e 3464/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM		 3465#undef _XPV_HEAD
3466#undef _XPVMG_HEAD
3467#undef _XPVCV_COMMON
7fae4e64
GS		 3468
3469typedef struct _sublex_info SUBLEXINFO;
3470struct _sublex_info {
651b5b28
NC		 3471 U8 super_state; /* lexer state to save */
3472 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3473 OP *sub_op; /* "lex_op" to use */
f06b5848
DM		 3474 char *super_bufptr; /* PL_parser->bufptr that was */
3475 char *super_bufend; /* PL_parser->bufend that was */
7fae4e64
GS		 3476};
3477
199e78b7
DM		 3478#include "parser.h"
3479
455ece5e 3480typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3481
2c2d71f5 3482struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3483struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3484
5f7fde29
GS		 3485struct ptr_tbl_ent {
3486 struct ptr_tbl_ent* next;
53c1dcc0 3487 const void* oldval;
5f7fde29 3488 void* newval;
d18c6117
GS		 3489};
3490
5f7fde29
GS		 3491struct ptr_tbl {
3492 struct ptr_tbl_ent** tbl_ary;
3493 UV tbl_max;
3494 UV tbl_items;
db93c0c4
NC		 3495 struct ptr_tbl_arena *tbl_arena;
3496 struct ptr_tbl_ent *tbl_arena_next;
3497 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS		 3498};
3499
450a55e4 3500#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3501# define I286
3502#endif
3503
fe14fcc3
LW		 3504#if defined(htonl) && !defined(HAS_HTONL)
3505#define HAS_HTONL
ae986130 3506#endif
fe14fcc3
LW		 3507#if defined(htons) && !defined(HAS_HTONS)
3508#define HAS_HTONS
ae986130 3509#endif
fe14fcc3
LW		 3510#if defined(ntohl) && !defined(HAS_NTOHL)
3511#define HAS_NTOHL
ae986130 3512#endif
fe14fcc3
LW		 3513#if defined(ntohs) && !defined(HAS_NTOHS)
3514#define HAS_NTOHS
ae986130 3515#endif
fe14fcc3 3516#ifndef HAS_HTONL
d9d8d8de 3517#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3518#define HAS_HTONS
3519#define HAS_HTONL
3520#define HAS_NTOHS
3521#define HAS_NTOHL
a687059c
LW		 3522#define MYSWAP
3523#define htons my_swap
3524#define htonl my_htonl
3525#define ntohs my_swap
3526#define ntohl my_ntohl
3527#endif
3528#else
d9d8d8de 3529#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3530#undef HAS_HTONS
3531#undef HAS_HTONL
3532#undef HAS_NTOHS
3533#undef HAS_NTOHL
a687059c
LW		 3534#endif
3535#endif
3536
988174c1
LW		 3537/*
3538 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3539 * -DWS
3540 */
3541#if BYTEORDER != 0x1234
3542# define HAS_VTOHL
3543# define HAS_VTOHS
3544# define HAS_HTOVL
3545# define HAS_HTOVS
c67712b2 3546# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3547# define vtohl(x) ((((x)&0xFF)<<24) \
3548 +(((x)>>24)&0xFF) \
3549 +(((x)&0x0000FF00)<<8) \
3550 +(((x)&0x00FF0000)>>8) )
3551# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3552# define htovl(x) vtohl(x)
3553# define htovs(x) vtohs(x)
3554# endif
3555 /* otherwise default to functions in util.c */
2a8c3029 3556#ifndef htovs
c623ac67
GS		 3557short htovs(short n);
3558short vtohs(short n);
3559long htovl(long n);
3560long vtohl(long n);
988174c1 3561#endif
2a8c3029 3562#endif
988174c1 3563
3bb7c1b4
JH		 3564/* *MAX Plus 1. A floating point value.
3565 Hopefully expressed in a way that dodgy floating point can't mess up.
3566 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3567 is added to it
3568 May find that some broken compiler will want the value cast to I32.
3569 [after the shift, as signed >> may not be as secure as unsigned >>]
3570*/
3571#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3572#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3573/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3574 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3575 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3576*/
3577#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3578
3bb7c1b4
JH		 3579#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3580#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3581#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3582
3583/* This may look like unnecessary jumping through hoops, but converting
3584 out of range floating point values to integers *is* undefined behaviour,
3585 and it is starting to bite.
3586*/
3587#ifndef CAST_INLINE
65202027 3588#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3589#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3590#define I_V(what) (cast_iv((NV)(what)))
3591#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3592#else
3593#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3594 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3595 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3596#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3597 : ((n) < U32_MAX_P1 ? (U32) (n) \
3598 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3599#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3600 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3601 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3602#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3603 : ((n) < UV_MAX_P1 ? (UV) (n) \
3604 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3605#endif
3606
3607#define U_S(what) ((U16)U_32(what))
3608#define U_I(what) ((unsigned int)U_32(what))
3609#define U_L(what) U_32(what)
ed6116ce 3610
ed140128
AD		 3611#ifdef HAS_SIGNBIT
3612# define Perl_signbit signbit
3613#endif
3614
2d4389e4
JH		 3615/* These do not care about the fractional part, only about the range. */
3616#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3617#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3618
25da4f38
IZ		 3619/* Used with UV/IV arguments: */
3620 /* XXXX: need to speed it up */
3621#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3622#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3623
352d5a3a
LW		 3624#ifndef MAXSYSFD
3625# define MAXSYSFD 2
3626#endif
ee0007ab 3627
79072805 3628#ifndef __cplusplus
27da23d5 3629#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3630Uid_t getuid (void);
3631Uid_t geteuid (void);
3632Gid_t getgid (void);
3633Gid_t getegid (void);
79072805 3634#endif
e1caacb4 3635#endif
8d063cd8 3636
0c30d9ec 3637#ifndef Perl_debug_log
bf49b057
GS		 3638# define Perl_debug_log PerlIO_stderr()
3639#endif
3640
3641#ifndef Perl_error_log
3642# define Perl_error_log (PL_stderrgv \
6b78add2 3643 && isGV(PL_stderrgv) \
01bb7c6d 3644 && GvIOp(PL_stderrgv) \
42de951c 3645 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3646 ? IoOFP(GvIOp(PL_stderrgv)) \
3647 : PerlIO_stderr())
0c30d9ec 3648#endif
3967c732 3649
aea4f609
DM		 3650
3651#define DEBUG_p_FLAG 0x00000001 /* 1 */
3652#define DEBUG_s_FLAG 0x00000002 /* 2 */
3653#define DEBUG_l_FLAG 0x00000004 /* 4 */
3654#define DEBUG_t_FLAG 0x00000008 /* 8 */
3655#define DEBUG_o_FLAG 0x00000010 /* 16 */
3656#define DEBUG_c_FLAG 0x00000020 /* 32 */
3657#define DEBUG_P_FLAG 0x00000040 /* 64 */
3658#define DEBUG_m_FLAG 0x00000080 /* 128 */
3659#define DEBUG_f_FLAG 0x00000100 /* 256 */
3660#define DEBUG_r_FLAG 0x00000200 /* 512 */
3661#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3662#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3663/* U is reserved for Unofficial, exploratory hacking */
3664#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3665#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3666#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3667#define DEBUG_D_FLAG 0x00008000 /* 32768 */
d2c25739 3668/* 0x00010000 is unused, used to be S */
aea4f609 3669#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3670#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3671#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3672#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3673#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3674#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3675#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 3676#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3677#define DEBUG_B_FLAG 0x02000000 /*33554432*/
3678#define DEBUG_MASK 0x03FEEFFF /* mask of all the standard flags */
aea4f609
DM		 3679
3680#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3681#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3682 that something was done? */
aea4f609 3683
bd16a5f0
IZ		 3684# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3685# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3686# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3687# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3688# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3689# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3690# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3691# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3692# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3693# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3694# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3695# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3696# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3697# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3698# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3699# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
bd16a5f0
IZ		 3700# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3701# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3702# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3703# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3704# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3705# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3706# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3707# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3708# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3709# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3710# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3711# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3712
3967c732 3713#ifdef DEBUGGING
aea4f609 3714
bd16a5f0
IZ		 3715# define DEBUG_p_TEST DEBUG_p_TEST_
3716# define DEBUG_s_TEST DEBUG_s_TEST_
3717# define DEBUG_l_TEST DEBUG_l_TEST_
3718# define DEBUG_t_TEST DEBUG_t_TEST_
3719# define DEBUG_o_TEST DEBUG_o_TEST_
3720# define DEBUG_c_TEST DEBUG_c_TEST_
3721# define DEBUG_P_TEST DEBUG_P_TEST_
3722# define DEBUG_m_TEST DEBUG_m_TEST_
3723# define DEBUG_f_TEST DEBUG_f_TEST_
3724# define DEBUG_r_TEST DEBUG_r_TEST_
3725# define DEBUG_x_TEST DEBUG_x_TEST_
3726# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3727# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3728# define DEBUG_H_TEST DEBUG_H_TEST_
3729# define DEBUG_X_TEST DEBUG_X_TEST_
3730# define DEBUG_D_TEST DEBUG_D_TEST_
bd16a5f0
IZ		 3731# define DEBUG_T_TEST DEBUG_T_TEST_
3732# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3733# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3734# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3735# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3736# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3737# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3738# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3739# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC		 3740# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3741# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3742# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3743
488b0c7a
JH		 3744# define PERL_DEB(a) a
3745# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3746# define DEBUG_p(a) if (DEBUG_p_TEST) a
3747# define DEBUG_s(a) if (DEBUG_s_TEST) a
3748# define DEBUG_l(a) if (DEBUG_l_TEST) a
3749# define DEBUG_t(a) if (DEBUG_t_TEST) a
3750# define DEBUG_o(a) if (DEBUG_o_TEST) a
3751# define DEBUG_c(a) if (DEBUG_c_TEST) a
3752# define DEBUG_P(a) if (DEBUG_P_TEST) a
3753
969058bb
VK		 3754 /* Temporarily turn off memory debugging in case the a
3755 * does memory allocation, either directly or indirectly. */
acfe0abc 3756# define DEBUG_m(a) \
0b250b9e 3757 STMT_START { \
aea4f609 3758 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3759 } STMT_END
aea4f609 3760
5f80b19c
AMS		 3761# define DEBUG__(t, a) \
3762 STMT_START { \
3763 if (t) STMT_START {a;} STMT_END; \
3764 } STMT_END
3765
3766# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3767#ifndef PERL_EXT_RE_BUILD
5f80b19c 3768# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3769#else
3770# define DEBUG_r(a) STMT_START {a;} STMT_END
3771#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3772# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3773# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3774# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3775# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3776# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3777# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3778# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3779# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3780# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3781
5f80b19c
AMS		 3782# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3783# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3784# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3785# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3786# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3787# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3788# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3789# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM		 3790
3791#else /* DEBUGGING */
3792
3793# define DEBUG_p_TEST (0)
3794# define DEBUG_s_TEST (0)
3795# define DEBUG_l_TEST (0)
3796# define DEBUG_t_TEST (0)
3797# define DEBUG_o_TEST (0)
3798# define DEBUG_c_TEST (0)
3799# define DEBUG_P_TEST (0)
3800# define DEBUG_m_TEST (0)
3801# define DEBUG_f_TEST (0)
3802# define DEBUG_r_TEST (0)
3803# define DEBUG_x_TEST (0)
3804# define DEBUG_u_TEST (0)
88d2d28a 3805# define DEBUG_U_TEST (0)
aea4f609
DM		 3806# define DEBUG_H_TEST (0)
3807# define DEBUG_X_TEST (0)
3808# define DEBUG_D_TEST (0)
aea4f609 3809# define DEBUG_T_TEST (0)
04932ac8 3810# define DEBUG_R_TEST (0)
1045810a 3811# define DEBUG_J_TEST (0)
d6721266 3812# define DEBUG_v_TEST (0)
46187eeb 3813# define DEBUG_C_TEST (0)
ecae49c0
NC		 3814# define DEBUG_A_TEST (0)
3815# define DEBUG_q_TEST (0)
d7c0d282 3816# define DEBUG_M_TEST (0)
cc8773c0 3817# define DEBUG_B_TEST (0)
7949c6f5
JC		 3818# define DEBUG_Xv_TEST (0)
3819# define DEBUG_Uv_TEST (0)
ad9e76a8 3820# define DEBUG_Pv_TEST (0)
aea4f609 3821
488b0c7a
JH		 3822# define PERL_DEB(a)
3823# define PERL_DEBUG(a)
aea4f609
DM		 3824# define DEBUG_p(a)
3825# define DEBUG_s(a)
3826# define DEBUG_l(a)
3827# define DEBUG_t(a)
3828# define DEBUG_o(a)
3829# define DEBUG_c(a)
3830# define DEBUG_P(a)
3831# define DEBUG_m(a)
3832# define DEBUG_f(a)
3833# define DEBUG_r(a)
3834# define DEBUG_x(a)
3835# define DEBUG_u(a)
88d2d28a 3836# define DEBUG_U(a)
aea4f609
DM		 3837# define DEBUG_H(a)
3838# define DEBUG_X(a)
3839# define DEBUG_D(a)
aea4f609 3840# define DEBUG_T(a)
04932ac8 3841# define DEBUG_R(a)
d6721266 3842# define DEBUG_v(a)
46187eeb 3843# define DEBUG_C(a)
ecae49c0
NC		 3844# define DEBUG_A(a)
3845# define DEBUG_q(a)
d7c0d282 3846# define DEBUG_M(a)
cc8773c0 3847# define DEBUG_B(a)
7949c6f5
JC		 3848# define DEBUG_Xv(a)
3849# define DEBUG_Uv(a)
ad9e76a8 3850# define DEBUG_Pv(a)
aea4f609
DM		 3851#endif /* DEBUGGING */
3852
3853
b4ab917c 3854#define DEBUG_SCOPE(where) \
d9f81b50 3855 DEBUG_l( \
1c98cc53
DM		 3856 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
3857 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
d9f81b50 3858 __FILE__, __LINE__));
b4ab917c 3859
de84dc04
NC		 3860#if defined(DEBUGGING) && defined(I_ASSERT)
3861# include <assert.h>
3862#endif
3863
3864/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3865 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3866
de84dc04 3867#define Perl_assert(what) PERL_DEB( \
2b057284 3868 ((what) ? ((void) 0) : \
67eb4d30 3869 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3870 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3871 (void) 0)))
de84dc04
NC		 3872
3873#ifndef assert
3874# define assert(what) Perl_assert(what)
a446a88f 3875#endif
8d063cd8 3876
450a55e4 3877struct ufuncs {
24f81a43
DM		 3878 I32 (*uf_val)(pTHX_ IV, SV*);
3879 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3880 IV uf_index;
450a55e4
LW		 3881};
3882
14befaf4 3883/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3884 * XS code wanting to be backward compatible can do something
3885 * like the following:
c745e42c 3886
24f81a43 3887#ifndef PERL_MG_UFUNC
24f81a43
DM		 3888#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3889#endif
3890
3891static PERL_MG_UFUNC(foo_get, index, val)
3892{
3893 sv_setsv(val, ...);
3894 return TRUE;
3895}
3896
3897-- Doug MacEachern
3898
3899*/
3900
fc9c74e6 3901#ifndef PERL_MG_UFUNC
24f81a43 3902#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3903#endif
24f81a43 3904
fe14fcc3 3905/* Fix these up for __STDC__ */
68dc0745 3906#ifndef DONT_DECLARE_STD
20ce7b12 3907char *mktemp (char*);
37bd1396 3908#ifndef atof
20ce7b12 3909double atof (const char*);
a0d0e21e 3910#endif
37bd1396 3911#endif
79072805 3912
352d5a3a 3913#ifndef STANDARD_C
fe14fcc3 3914/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3915Time_t time();
8d063cd8 3916struct tm *gmtime(), *localtime();
092bebab 3917#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3918char *(strchr)(), *(strrchr)();
3919char *(strcpy)(), *(strcat)();
3920#else
93a17b20 3921char *strchr(), *strrchr();
378cc40b 3922char *strcpy(), *strcat();
9d116dd7 3923#endif
352d5a3a 3924#endif /* ! STANDARD_C */
8d063cd8 3925
79072805
LW		 3926
3927#ifdef I_MATH
3928# include <math.h>
3929#else
32f822de 3930START_EXTERN_C
20ce7b12
GS		 3931 double exp (double);
3932 double log (double);
3933 double log10 (double);
3934 double sqrt (double);
3935 double frexp (double,int*);
3936 double ldexp (double,int);
3937 double modf (double,double*);
3938 double sin (double);
3939 double cos (double);
3940 double atan2 (double,double);
3941 double pow (double,double);
32f822de 3942END_EXTERN_C
79072805
LW		 3943#endif
3944
aa8b85de
JH		 3945#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3946# define NV_INF LDBL_INFINITY
3947#endif
3948#if !defined(NV_INF) && defined(DBL_INFINITY)
3949# define NV_INF (NV)DBL_INFINITY
3950#endif
3951#if !defined(NV_INF) && defined(INFINITY)
3952# define NV_INF (NV)INFINITY
3953#endif
3954#if !defined(NV_INF) && defined(INF)
3955# define NV_INF (NV)INF
3956#endif
3957#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3958# define NV_INF (NV)HUGE_VALL
3959#endif
3960#if !defined(NV_INF) && defined(HUGE_VAL)
3961# define NV_INF (NV)HUGE_VAL
3962#endif
3963
3964#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3965# if !defined(NV_NAN) && defined(LDBL_NAN)
3966# define NV_NAN LDBL_NAN
3967# endif
3968# if !defined(NV_NAN) && defined(LDBL_QNAN)
3969# define NV_NAN LDBL_QNAN
3970# endif
3971# if !defined(NV_NAN) && defined(LDBL_SNAN)
3972# define NV_NAN LDBL_SNAN
3973# endif
3974#endif
3975#if !defined(NV_NAN) && defined(DBL_NAN)
3976# define NV_NAN (NV)DBL_NAN
3977#endif
3978#if !defined(NV_NAN) && defined(DBL_QNAN)
3979# define NV_NAN (NV)DBL_QNAN
3980#endif
3981#if !defined(NV_NAN) && defined(DBL_SNAN)
3982# define NV_NAN (NV)DBL_SNAN
3983#endif
3984#if !defined(NV_NAN) && defined(QNAN)
3985# define NV_NAN (NV)QNAN
3986#endif
3987#if !defined(NV_NAN) && defined(SNAN)
3988# define NV_NAN (NV)SNAN
3989#endif
3990#if !defined(NV_NAN) && defined(NAN)
3991# define NV_NAN (NV)NAN
3992#endif
3993
a0d0e21e 3994#ifndef __cplusplus
8f1f23e8 3995# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3996char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3997# else
fd8cd3a3 3998# if !defined(WIN32) && !defined(VMS)
10bc17b6 3999#ifndef crypt
20ce7b12 4000char *crypt (const char*, const char*);
10bc17b6 4001#endif
5014db98 4002# endif /* !WIN32 */
8f1f23e8 4003# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 4004# ifndef DONT_DECLARE_STD
4005# ifndef getenv
20ce7b12 4006char *getenv (const char*);
26618a56 4007# endif /* !getenv */
28ca6303 4008# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 4009# ifdef _FILE_OFFSET_BITS
28ca6303 4010# if _FILE_OFFSET_BITS == 64
20ce7b12 4011Off_t lseek (int,Off_t,int);
0fc67700
JH		 4012# endif
4013# endif
bf0c440f 4014# endif
26618a56 4015# endif /* !DONT_DECLARE_STD */
10bc17b6 4016#ifndef getlogin
20ce7b12 4017char *getlogin (void);
10bc17b6 4018#endif
26618a56 4019#endif /* !__cplusplus */
79072805 4020
7a7fd8e0
JM		 4021/* Fixme on VMS. This needs to be a run-time, not build time options */
4022/* Also rename() is affected by this */
16d20bd9 4023#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 4024#define UNLINK unlnk
083639a9 4025I32 unlnk (pTHX_ const char*);
8d063cd8 4026#else
80252599 4027#define UNLINK PerlLIO_unlink
8d063cd8 4028#endif
a687059c 4029
fa0a29af
JH		 4030/* some versions of glibc are missing the setresuid() proto */
4031#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 4032int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4033#endif
fa0a29af
JH		 4034/* some versions of glibc are missing the setresgid() proto */
4035#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 4036int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4037#endif
4038
fe14fcc3 4039#ifndef HAS_SETREUID
85e6fe83
LW		 4040# ifdef HAS_SETRESUID
4041# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4042# define HAS_SETREUID
4043# endif
a687059c 4044#endif
fe14fcc3 4045#ifndef HAS_SETREGID
85e6fe83
LW		 4046# ifdef HAS_SETRESGID
4047# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4048# define HAS_SETREGID
4049# endif
a687059c 4050#endif
ee0007ab 4051
d543acb6 4052/* Sighandler_t defined in iperlsys.h */
ff68c719 4053
4054#ifdef HAS_SIGACTION
4055typedef struct sigaction Sigsave_t;
4056#else
4057typedef Sighandler_t Sigsave_t;
4058#endif
4059
ee0007ab
LW		 4060#define SCAN_DEF 0
4061#define SCAN_TR 1
4062#define SCAN_REPL 2
79072805
LW		 4063
4064#ifdef DEBUGGING
4633a7c4 4065# ifndef register
a0d0e21e
LW		 4066# define register
4067# endif
cea2e8a9 4068# define RUNOPS_DEFAULT Perl_runops_debug
79072805 4069#else
cea2e8a9 4070# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 4071#endif
4072
6cb8cb21 4073#ifdef USE_PERLIO
0934c9d9 4074EXTERN_C void PerlIO_teardown(void);
2f44961c 4075# ifdef USE_ITHREADS
6cb8cb21
RGS		 4076# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4077# define PERLIO_TERM \
4078 STMT_START { \
d0820ef1 4079 PerlIO_teardown(); \
6cb8cb21
RGS		 4080 MUTEX_DESTROY(&PL_perlio_mutex);\
4081 } STMT_END
4082# else
4083# define PERLIO_INIT
d0820ef1 4084# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 4085# endif
6b29934b
NC		 4086#else
4087# define PERLIO_INIT
4088# define PERLIO_TERM
6cb8cb21
RGS		 4089#endif
4090
18f739ee 4091#ifdef MYMALLOC
772fe5b3 4092# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 4093# define MALLOC_INIT \
4094 STMT_START { \
4095 PL_malloc_mutex = NULL; \
4096 MUTEX_INIT(&PL_malloc_mutex); \
4097 } STMT_END
4098# define MALLOC_TERM \
4099 STMT_START { \
4100 perl_mutex tmp = PL_malloc_mutex; \
4101 PL_malloc_mutex = NULL; \
4102 MUTEX_DESTROY(&tmp); \
4103 } STMT_END
4104# else
4105# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4106# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4107# endif
18f739ee
IZ		 4108#else
4109# define MALLOC_INIT
4110# define MALLOC_TERM
4111#endif
4112
cd1541b2 4113#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 4114
4115struct perl_memory_debug_header;
cd1541b2
NC		 4116struct perl_memory_debug_header {
4117 tTHX interpreter;
4118# ifdef PERL_POISON
4119 MEM_SIZE size;
cd1541b2 4120# endif
7cb608b5
NC		 4121 struct perl_memory_debug_header *prev;
4122 struct perl_memory_debug_header *next;
cd1541b2
NC		 4123};
4124
4125# define sTHX (sizeof(struct perl_memory_debug_header) + \
4126 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4127 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4128
d8fca402
NC		 4129#else
4130# define sTHX 0
cd1541b2
NC		 4131#endif
4132
7cb608b5
NC		 4133#ifdef PERL_TRACK_MEMPOOL
4134# define INIT_TRACK_MEMPOOL(header, interp) \
4135 STMT_START { \
4136 (header).interpreter = (interp); \
4137 (header).prev = (header).next = &(header); \
4138 } STMT_END
4139# else
4140# define INIT_TRACK_MEMPOOL(header, interp)
4141#endif
4142
1cd66f7c
DD		 4143#ifdef I_MALLOCMALLOC
4144/* Needed for malloc_size(), malloc_good_size() on some systems */
4145# include <malloc/malloc.h>
4146#endif
4147
ca7c1a29
NC		 4148#ifdef MYMALLOC
4149# define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
cfe52898 4150#else
e82be400
NC		 4151# ifdef HAS_MALLOC_SIZE
4152# ifdef PERL_TRACK_MEMPOOL
cfe52898
RGS		 4153# define Perl_safesysmalloc_size(where) \
4154 (malloc_size(((char *)(where)) - sTHX) - sTHX)
e82be400
NC		 4155# else
4156# define Perl_safesysmalloc_size(where) malloc_size(where)
4157# endif
4158# endif
4159# ifdef HAS_MALLOC_GOOD_SIZE
4160# ifdef PERL_TRACK_MEMPOOL
d8fca402
NC		 4161# define Perl_malloc_good_size(how_much) \
4162 (malloc_good_size((how_much) + sTHX) - sTHX)
e82be400
NC		 4163# else
4164# define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4165# endif
4166# else
d8fca402
NC		 4167/* Having this as the identity operation makes some code simpler. */
4168# define Perl_malloc_good_size(how_much) (how_much)
e82be400 4169# endif
ca7c1a29 4170#endif
b6d9d515 4171
16c91539
BM		 4172typedef int (*runops_proc_t)(pTHX);
4173typedef void (*share_proc_t) (pTHX_ SV *sv);
4174typedef int (*thrhook_proc_t) (pTHX);
4175typedef OP* (*PPADDR_t[]) (pTHX);
4176typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4177typedef void (*despatch_signals_proc_t) (pTHX);
22c35a8c 4178
8f1f23e8
W		 4179/* NeXT has problems with crt0.o globals */
4180#if defined(__DYNAMIC__) && \
6239f2da 4181 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 4182# if defined(NeXT) || defined(__NeXT)
4183# include <mach-o/dyld.h>
4184# define environ (*environ_pointer)
0c30d9ec 4185EXT char *** environ_pointer;
8f1f23e8 4186# else
6239f2da 4187# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 4188# include <crt_externs.h> /* for the env array */
4189# define environ (*_NSGetEnviron())
4190# endif
0c30d9ec 4191# endif
8f1f23e8
W		 4192#else
4193 /* VMS and some other platforms don't use the environ array */
13b6e58c 4194# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 4195# if !defined(DONT_DECLARE_STD) || \
4196 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
4197 defined(__sgi) || \
d460ef45 4198 defined(__DGUX)
8f1f23e8 4199extern char ** environ; /* environment variables supplied via exec */
a6c40364 4200# endif
8f1f23e8
W		 4201# endif
4202#endif
79072805 4203
457c5385
NC		 4204#define PERL_PATCHLEVEL_H_IMPLICIT
4205#include "patchlevel.h"
4206#undef PERL_PATCHLEVEL_H_IMPLICIT
4207
4208#define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4209 STRINGIFY(PERL_VERSION) "." \
4210 STRINGIFY(PERL_SUBVERSION)
4211
4212#define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4213 STRINGIFY(PERL_API_VERSION) "." \
4214 STRINGIFY(PERL_API_SUBVERSION)
4215
73c4f7a1
GS		 4216START_EXTERN_C
4217
79072805 4218/* handy constants */
22c35a8c 4219EXTCONST char PL_warn_uninit[]
29489e7c 4220 INIT("Use of uninitialized value%s%s%s");
22c35a8c 4221EXTCONST char PL_warn_nosemi[]
463ee0b2 4222 INIT("Semicolon seems to be missing");
22c35a8c 4223EXTCONST char PL_warn_reserved[]
463ee0b2 4224 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4225EXTCONST char PL_warn_nl[]
93a17b20 4226 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4227EXTCONST char PL_no_wrongref[]
a0d0e21e 4228 INIT("Can't use %s ref as %s ref");
def89bff
NC		 4229/* The core no longer needs these here. If you require the string constant,
4230 please inline a copy into your own code. */
973a7615
NC		 4231EXTCONST char PL_no_symref[] __attribute__deprecated__
4232 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
def89bff
NC		 4233EXTCONST char PL_no_symref_sv[] __attribute__deprecated__
4234 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 4235EXTCONST char PL_no_usym[]
8990e307 4236 INIT("Can't use an undefined value as %s reference");
22c35a8c 4237EXTCONST char PL_no_aelem[]
93a17b20 4238 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4239EXTCONST char PL_no_helem_sv[]
d04ff51e 4240 INIT("Modification of non-creatable hash value attempted, subscript \"%"SVf"\"");
22c35a8c 4241EXTCONST char PL_no_modify[]
93a17b20 4242 INIT("Modification of a read-only value attempted");
22c35a8c 4243EXTCONST char PL_no_mem[]
93a17b20 4244 INIT("Out of memory!\n");
22c35a8c 4245EXTCONST char PL_no_security[]
463ee0b2 4246 INIT("Insecure dependency in %s%s");
22c35a8c 4247EXTCONST char PL_no_sock_func[]
93a17b20 4248 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4249EXTCONST char PL_no_dir_func[]
93a17b20 4250 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4251EXTCONST char PL_no_func[]
93a17b20 4252 INIT("The %s function is unimplemented");
22c35a8c 4253EXTCONST char PL_no_myglob[]
952306ac 4254 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 4255EXTCONST char PL_no_localize_ref[]
4256 INIT("Can't localize through a reference");
27d5b266
JH		 4257EXTCONST char PL_memory_wrap[]
4258 INIT("panic: memory wrap");
93a17b20 4259
58f645e2
NC		 4260EXTCONST char PL_Yes[]
4261 INIT("1");
4262EXTCONST char PL_No[]
4263 INIT("");
4264EXTCONST char PL_hexdigit[]
4265 INIT("0123456789abcdef0123456789ABCDEF");
4266
0447859b
NC		 4267/* This is constant on most architectures, a global on OS/2 */
4268#ifndef OS2
4269EXTCONST char PL_sh_path[]
4270 INIT(SH_PATH); /* full path of shell */
4271#endif
4272
618b9757
NC		 4273#ifdef CSH
4274EXTCONST char PL_cshname[]
4275 INIT(CSH);
4276# define PL_cshlen (sizeof(CSH "") - 1)
4277#endif
4278
457c5385
NC		 4279/* These are baked at compile time into any shared perl library.
4280 In future releases this will allow us in main() to sanity test the
4281 library we're linking against. */
4282
4283EXTCONST U8 PL_revision
4284 INIT(PERL_REVISION);
4285EXTCONST U8 PL_version
4286 INIT(PERL_VERSION);
4287EXTCONST U8 PL_subversion
4288 INIT(PERL_SUBVERSION);
4289
7575fa06 4290EXTCONST char PL_uuemap[65]
80252599
GS		 4291 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4292
79072805 4293#ifdef DOINIT
9444d213
NC		 4294EXTCONST char PL_uudmap[256] =
4295#include "uudmap.h"
4296;
efa50c51 4297EXTCONST char PL_bitcount[256] =
efa50c51
NC		 4298# include "bitcount.h"
4299;
27da23d5
JH		 4300EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4301EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4302#else
9444d213 4303EXTCONST char PL_uudmap[256];
efa50c51 4304EXTCONST char PL_bitcount[256];
27da23d5
JH		 4305EXTCONST char* const PL_sig_name[];
4306EXTCONST int PL_sig_num[];
79072805
LW		 4307#endif
4308
6d8e7a01
KW		 4309/* fast conversion and case folding tables. The folding tables complement the
4310 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4311 * folds such as outside the range or to multiple characters. */
bbce6d69 4312
79072805 4313#ifdef DOINIT
d02f4dad
KW		 4314#ifndef EBCDIC
4315
4316/* The EBCDIC fold table depends on the code page, and hence is found in
4317 * utfebcdic.h */
4318
22c35a8c 4319EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4320 0, 1, 2, 3, 4, 5, 6, 7,
4321 8, 9, 10, 11, 12, 13, 14, 15,
4322 16, 17, 18, 19, 20, 21, 22, 23,
4323 24, 25, 26, 27, 28, 29, 30, 31,
4324 32, 33, 34, 35, 36, 37, 38, 39,
4325 40, 41, 42, 43, 44, 45, 46, 47,
4326 48, 49, 50, 51, 52, 53, 54, 55,
4327 56, 57, 58, 59, 60, 61, 62, 63,
4328 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4329 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4330 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4331 'x', 'y', 'z', 91, 92, 93, 94, 95,
4332 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4333 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4334 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4335 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4336 128, 129, 130, 131, 132, 133, 134, 135,
4337 136, 137, 138, 139, 140, 141, 142, 143,
4338 144, 145, 146, 147, 148, 149, 150, 151,
4339 152, 153, 154, 155, 156, 157, 158, 159,
4340 160, 161, 162, 163, 164, 165, 166, 167,
4341 168, 169, 170, 171, 172, 173, 174, 175,
4342 176, 177, 178, 179, 180, 181, 182, 183,
4343 184, 185, 186, 187, 188, 189, 190, 191,
4344 192, 193, 194, 195, 196, 197, 198, 199,
4345 200, 201, 202, 203, 204, 205, 206, 207,
4346 208, 209, 210, 211, 212, 213, 214, 215,
4347 216, 217, 218, 219, 220, 221, 222, 223,
4348 224, 225, 226, 227, 228, 229, 230, 231,
4349 232, 233, 234, 235, 236, 237, 238, 239,
4350 240, 241, 242, 243, 244, 245, 246, 247,
4351 248, 249, 250, 251, 252, 253, 254, 255
4352};
3871f40b
KW		 4353EXTCONST unsigned char PL_fold_latin1[] = {
4354 /* Full latin1 complement folding, except for three problematic code points:
4355 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4356 * fold complements outside the Latin1 range, so can't match something
4357 * that isn't in utf8.
4358 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4359 * not one, so can't be represented in this table.
4360 *
4361 * All have to be specially handled */
4362 0, 1, 2, 3, 4, 5, 6, 7,
4363 8, 9, 10, 11, 12, 13, 14, 15,
4364 16, 17, 18, 19, 20, 21, 22, 23,
4365 24, 25, 26, 27, 28, 29, 30, 31,
4366 32, 33, 34, 35, 36, 37, 38, 39,
4367 40, 41, 42, 43, 44, 45, 46, 47,
4368 48, 49, 50, 51, 52, 53, 54, 55,
4369 56, 57, 58, 59, 60, 61, 62, 63,
4370 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4371 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4372 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4373 'x', 'y', 'z', 91, 92, 93, 94, 95,
4374 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4375 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4376 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4377 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4378 128, 129, 130, 131, 132, 133, 134, 135,
4379 136, 137, 138, 139, 140, 141, 142, 143,
4380 144, 145, 146, 147, 148, 149, 150, 151,
4381 152, 153, 154, 155, 156, 157, 158, 159,
4382 160, 161, 162, 163, 164, 165, 166, 167,
4383 168, 169, 170, 171, 172, 173, 174, 175,
4384 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4385 184, 185, 186, 187, 188, 189, 190, 191,
4386 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4387 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4388 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4389 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4390 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4391 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4392 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4393 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4394 255 /* y with diaeresis */
4395};
00f254e2
KW		 4396#endif /* !EBCDIC, but still in DOINIT */
4397
4398/* If these tables are accessed through ebcdic, the access will be converted to
4399 * latin1 first */
4400EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4401 0, 1, 2, 3, 4, 5, 6, 7,
4402 8, 9, 10, 11, 12, 13, 14, 15,
4403 16, 17, 18, 19, 20, 21, 22, 23,
4404 24, 25, 26, 27, 28, 29, 30, 31,
4405 32, 33, 34, 35, 36, 37, 38, 39,
4406 40, 41, 42, 43, 44, 45, 46, 47,
4407 48, 49, 50, 51, 52, 53, 54, 55,
4408 56, 57, 58, 59, 60, 61, 62, 63,
4409 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4410 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4411 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4412 'x', 'y', 'z', 91, 92, 93, 94, 95,
4413 96, 97, 98, 99, 100, 101, 102, 103,
4414 104, 105, 106, 107, 108, 109, 110, 111,
4415 112, 113, 114, 115, 116, 117, 118, 119,
4416 120, 121, 122, 123, 124, 125, 126, 127,
4417 128, 129, 130, 131, 132, 133, 134, 135,
4418 136, 137, 138, 139, 140, 141, 142, 143,
4419 144, 145, 146, 147, 148, 149, 150, 151,
4420 152, 153, 154, 155, 156, 157, 158, 159,
4421 160, 161, 162, 163, 164, 165, 166, 167,
4422 168, 169, 170, 171, 172, 173, 174, 175,
4423 176, 177, 178, 179, 180, 181, 182, 183,
4424 184, 185, 186, 187, 188, 189, 190, 191,
4425 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4426 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4427 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4428 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4429 224, 225, 226, 227, 228, 229, 230, 231,
4430 232, 233, 234, 235, 236, 237, 238, 239,
4431 240, 241, 242, 243, 244, 245, 246, 247,
4432 248, 249, 250, 251, 252, 253, 254, 255
4433};
4434
4435/* upper and title case of latin1 characters, modified so that the three tricky
4436 * ones are mapped to 255 (which is one of the three) */
4437EXTCONST unsigned char PL_mod_latin1_uc[] = {
4438 0, 1, 2, 3, 4, 5, 6, 7,
4439 8, 9, 10, 11, 12, 13, 14, 15,
4440 16, 17, 18, 19, 20, 21, 22, 23,
4441 24, 25, 26, 27, 28, 29, 30, 31,
4442 32, 33, 34, 35, 36, 37, 38, 39,
4443 40, 41, 42, 43, 44, 45, 46, 47,
4444 48, 49, 50, 51, 52, 53, 54, 55,
4445 56, 57, 58, 59, 60, 61, 62, 63,
4446 64, 65, 66, 67, 68, 69, 70, 71,
4447 72, 73, 74, 75, 76, 77, 78, 79,
4448 80, 81, 82, 83, 84, 85, 86, 87,
4449 88, 89, 90, 91, 92, 93, 94, 95,
4450 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4451 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4452 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4453 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4454 128, 129, 130, 131, 132, 133, 134, 135,
4455 136, 137, 138, 139, 140, 141, 142, 143,
4456 144, 145, 146, 147, 148, 149, 150, 151,
4457 152, 153, 154, 155, 156, 157, 158, 159,
4458 160, 161, 162, 163, 164, 165, 166, 167,
4459 168, 169, 170, 171, 172, 173, 174, 175,
4460 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4461 184, 185, 186, 187, 188, 189, 190, 191,
4462 192, 193, 194, 195, 196, 197, 198, 199,
4463 200, 201, 202, 203, 204, 205, 206, 207,
4464 208, 209, 210, 211, 212, 213, 214, 215,
4465 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/,
4466 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4467 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4468 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4469 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4470};
4471#else /* ! DOINIT */
22c35a8c 4472EXTCONST unsigned char PL_fold[];
3871f40b 4473EXTCONST unsigned char PL_fold_latin1[];
00f254e2
KW		 4474EXTCONST unsigned char PL_mod_latin1_uc[];
4475EXTCONST unsigned char PL_latin1_lc[];
79072805
LW		 4476#endif
4477
27da23d5 4478#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4479#ifdef DOINIT
27da23d5 4480EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4481 0, 1, 2, 3, 4, 5, 6, 7,
4482 8, 9, 10, 11, 12, 13, 14, 15,
4483 16, 17, 18, 19, 20, 21, 22, 23,
4484 24, 25, 26, 27, 28, 29, 30, 31,
4485 32, 33, 34, 35, 36, 37, 38, 39,
4486 40, 41, 42, 43, 44, 45, 46, 47,
4487 48, 49, 50, 51, 52, 53, 54, 55,
4488 56, 57, 58, 59, 60, 61, 62, 63,
4489 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4490 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4491 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4492 'x', 'y', 'z', 91, 92, 93, 94, 95,
4493 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4494 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4495 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4496 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4497 128, 129, 130, 131, 132, 133, 134, 135,
4498 136, 137, 138, 139, 140, 141, 142, 143,
4499 144, 145, 146, 147, 148, 149, 150, 151,
4500 152, 153, 154, 155, 156, 157, 158, 159,
4501 160, 161, 162, 163, 164, 165, 166, 167,
4502 168, 169, 170, 171, 172, 173, 174, 175,
4503 176, 177, 178, 179, 180, 181, 182, 183,
4504 184, 185, 186, 187, 188, 189, 190, 191,
4505 192, 193, 194, 195, 196, 197, 198, 199,
4506 200, 201, 202, 203, 204, 205, 206, 207,
4507 208, 209, 210, 211, 212, 213, 214, 215,
4508 216, 217, 218, 219, 220, 221, 222, 223,
4509 224, 225, 226, 227, 228, 229, 230, 231,
4510 232, 233, 234, 235, 236, 237, 238, 239,
4511 240, 241, 242, 243, 244, 245, 246, 247,
4512 248, 249, 250, 251, 252, 253, 254, 255
4513};
4514#else
27da23d5 4515EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4516#endif
27da23d5 4517#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4518
4519#ifdef DOINIT
9d116dd7 4520#ifdef EBCDIC
27da23d5 4521EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4522 1, 2, 84, 151, 154, 155, 156, 157,
4523 165, 246, 250, 3, 158, 7, 18, 29,
4524 40, 51, 62, 73, 85, 96, 107, 118,
4525 129, 140, 147, 148, 149, 150, 152, 153,
4526 255, 6, 8, 9, 10, 11, 12, 13,
4527 14, 15, 24, 25, 26, 27, 28, 226,
4528 29, 30, 31, 32, 33, 43, 44, 45,
4529 46, 47, 48, 49, 50, 76, 77, 78,
4530 79, 80, 81, 82, 83, 84, 85, 86,
4531 87, 94, 95, 234, 181, 233, 187, 190,
4532 180, 96, 97, 98, 99, 100, 101, 102,
4533 104, 112, 182, 174, 236, 232, 229, 103,
4534 228, 226, 114, 115, 116, 117, 118, 119,
4535 120, 121, 122, 235, 176, 230, 194, 162,
4536 130, 131, 132, 133, 134, 135, 136, 137,
4537 138, 139, 201, 205, 163, 217, 220, 224,
4538 5, 248, 227, 244, 242, 255, 241, 231,
4539 240, 253, 16, 197, 19, 20, 21, 187,
4540 23, 169, 210, 245, 237, 249, 247, 239,
4541 168, 252, 34, 196, 36, 37, 38, 39,
4542 41, 42, 251, 254, 238, 223, 221, 213,
4543 225, 177, 52, 53, 54, 55, 56, 57,
4544 58, 59, 60, 61, 63, 64, 65, 66,
4545 67, 68, 69, 70, 71, 72, 74, 75,
4546 205, 208, 186, 202, 200, 218, 198, 179,
4547 178, 214, 88, 89, 90, 91, 92, 93,
4548 217, 166, 170, 207, 199, 209, 206, 204,
4549 160, 212, 105, 106, 108, 109, 110, 111,
4550 203, 113, 216, 215, 192, 175, 193, 243,
4551 172, 161, 123, 124, 125, 126, 127, 128,
4552 222, 219, 211, 195, 188, 193, 185, 184,
4553 191, 183, 141, 142, 143, 144, 145, 146
4554};
4555#else /* ascii rather than ebcdic */
22c35a8c 4556EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4557 1, 2, 84, 151, 154, 155, 156, 157,
4558 165, 246, 250, 3, 158, 7, 18, 29,
4559 40, 51, 62, 73, 85, 96, 107, 118,
4560 129, 140, 147, 148, 149, 150, 152, 153,
4561 255, 182, 224, 205, 174, 176, 180, 217,
4562 233, 232, 236, 187, 235, 228, 234, 226,
4563 222, 219, 211, 195, 188, 193, 185, 184,
4564 191, 183, 201, 229, 181, 220, 194, 162,
4565 163, 208, 186, 202, 200, 218, 198, 179,
4566 178, 214, 166, 170, 207, 199, 209, 206,
4567 204, 160, 212, 216, 215, 192, 175, 173,
4568 243, 172, 161, 190, 203, 189, 164, 230,
4569 167, 248, 227, 244, 242, 255, 241, 231,
4570 240, 253, 169, 210, 245, 237, 249, 247,
4571 239, 168, 252, 251, 254, 238, 223, 221,
4572 213, 225, 177, 197, 171, 196, 159, 4,
4573 5, 6, 8, 9, 10, 11, 12, 13,
4574 14, 15, 16, 17, 19, 20, 21, 22,
4575 23, 24, 25, 26, 27, 28, 30, 31,
4576 32, 33, 34, 35, 36, 37, 38, 39,
4577 41, 42, 43, 44, 45, 46, 47, 48,
4578 49, 50, 52, 53, 54, 55, 56, 57,
4579 58, 59, 60, 61, 63, 64, 65, 66,
4580 67, 68, 69, 70, 71, 72, 74, 75,
4581 76, 77, 78, 79, 80, 81, 82, 83,
4582 86, 87, 88, 89, 90, 91, 92, 93,
4583 94, 95, 97, 98, 99, 100, 101, 102,
4584 103, 104, 105, 106, 108, 109, 110, 111,
4585 112, 113, 114, 115, 116, 117, 119, 120,
4586 121, 122, 123, 124, 125, 126, 127, 128,
4587 130, 131, 132, 133, 134, 135, 136, 137,
4588 138, 139, 141, 142, 143, 144, 145, 146
4589};
9d116dd7 4590#endif
79072805 4591#else
22c35a8c 4592EXTCONST unsigned char PL_freq[];
79072805
LW		 4593#endif
4594
8990e307
LW		 4595#ifdef DEBUGGING
4596#ifdef DOINIT
27da23d5 4597EXTCONST char* const PL_block_type[] = {
8990e307 4598 "NULL",
d01136d6 4599 "WHEN",
8990e307 4600 "BLOCK",
0d863452 4601 "GIVEN",
d01136d6
BS		 4602 "LOOP_FOR",
4603 "LOOP_PLAIN",
4604 "LOOP_LAZYSV",
4605 "LOOP_LAZYIV",
76753e7f
NC		 4606 "SUB",
4607 "FORMAT",
4608 "EVAL",
4609 "SUBST"
8990e307
LW		 4610};
4611#else
22c35a8c 4612EXTCONST char* PL_block_type[];
8990e307
LW		 4613#endif
4614#endif
4615
b75885fd
NC		 4616/* These are all the compile time options that affect binary compatibility.
4617 Other compile time options that are binary compatible are in perl.c
4618 Both are combined for the output of perl -V
4619 However, this string will be embedded in any shared perl library, which will
4620 allow us add a comparison check in perlmain.c in the near future. */
4621#ifdef DOINIT
4622EXTCONST char PL_bincompat_options[] =
4623# ifdef DEBUG_LEAKING_SCALARS
4624 " DEBUG_LEAKING_SCALARS"
4625# endif
4626# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4627 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4628# endif
4629# ifdef FAKE_THREADS
4630 " FAKE_THREADS"
4631# endif
4632# ifdef MULTIPLICITY
4633 " MULTIPLICITY"
4634# endif
4635# ifdef MYMALLOC
4636 " MYMALLOC"
4637# endif
4638# ifdef PERL_DEBUG_READONLY_OPS
4639 " PERL_DEBUG_READONLY_OPS"
4640# endif
4641# ifdef PERL_GLOBAL_STRUCT
4642 " PERL_GLOBAL_STRUCT"
4643# endif
4644# ifdef PERL_IMPLICIT_CONTEXT
4645 " PERL_IMPLICIT_CONTEXT"
4646# endif
4647# ifdef PERL_IMPLICIT_SYS
4648 " PERL_IMPLICIT_SYS"
4649# endif
4650# ifdef PERL_MAD
4651 " PERL_MAD"
4652# endif
4653# ifdef PERL_NEED_APPCTX
4654 " PERL_NEED_APPCTX"
4655# endif
4656# ifdef PERL_NEED_TIMESBASE
4657 " PERL_NEED_TIMESBASE"
4658# endif
4659# ifdef PERL_OLD_COPY_ON_WRITE
4660 " PERL_OLD_COPY_ON_WRITE"
4661# endif
4662# ifdef PERL_POISON
4663 " PERL_POISON"
4664# endif
4665# ifdef PERL_TRACK_MEMPOOL
4666 " PERL_TRACK_MEMPOOL"
4667# endif
4668# ifdef PERL_USES_PL_PIDSTATUS
4669 " PERL_USES_PL_PIDSTATUS"
4670# endif
4671# ifdef PL_OP_SLAB_ALLOC
4672 " PL_OP_SLAB_ALLOC"
4673# endif
4674# ifdef THREADS_HAVE_PIDS
4675 " THREADS_HAVE_PIDS"
4676# endif
4677# ifdef USE_64_BIT_ALL
4678 " USE_64_BIT_ALL"
4679# endif
4680# ifdef USE_64_BIT_INT
4681 " USE_64_BIT_INT"
4682# endif
c7b392fa
NC		 4683# ifdef USE_IEEE
4684 " USE_IEEE"
4685# endif
b75885fd
NC		 4686# ifdef USE_ITHREADS
4687 " USE_ITHREADS"
4688# endif
4689# ifdef USE_LARGE_FILES
4690 " USE_LARGE_FILES"
4691# endif
4692# ifdef USE_LONG_DOUBLE
4693 " USE_LONG_DOUBLE"
4694# endif
4695# ifdef USE_PERLIO
4696 " USE_PERLIO"
4697# endif
4698# ifdef USE_REENTRANT_API
4699 " USE_REENTRANT_API"
4700# endif
4701# ifdef USE_SFIO
4702 " USE_SFIO"
4703# endif
4704# ifdef USE_SOCKS
4705 " USE_SOCKS"
4706# endif
4f575702
CB		 4707# ifdef VMS_DO_SOCKETS
4708 " VMS_DO_SOCKETS"
4f575702
CB		 4709# endif
4710# ifdef VMS_WE_ARE_CASE_SENSITIVE
4711 " VMS_SYMBOL_CASE_AS_IS"
4712# endif
e8b231c6
CB		 4713# ifdef VMS_SHORTEN_LONG_SYMBOLS
4714 " VMS_SHORTEN_LONG_SYMBOLS"
4715# endif
a68dd89e 4716 "";
b75885fd
NC		 4717#else
4718EXTCONST char PL_bincompat_options[];
4719#endif
4720
ca7b837b
SM		 4721#ifndef PERL_SET_PHASE
4722# define PERL_SET_PHASE(new_phase) \
cb3f8189 4723 PHASE_CHANGE_PROBE(PL_phase_names[new_phase], PL_phase_names[PL_phase]); \
ca7b837b
SM		 4724 PL_phase = new_phase;
4725#endif
4726
9ebf26ad
FR		 4727/* The interpreter phases. If these ever change, PL_phase_names right below will
4728 * need to be updated accordingly. */
4729enum perl_phase {
4730 PERL_PHASE_CONSTRUCT = 0,
4731 PERL_PHASE_START = 1,
4732 PERL_PHASE_CHECK = 2,
4733 PERL_PHASE_INIT = 3,
4734 PERL_PHASE_RUN = 4,
4735 PERL_PHASE_END = 5,
4736 PERL_PHASE_DESTRUCT = 6
4737};
4738
4739#ifdef DOINIT
4740EXTCONST char *const PL_phase_names[] = {
4741 "CONSTRUCT",
4742 "START",
4743 "CHECK",
4744 "INIT",
4745 "RUN",
4746 "END",
4747 "DESTRUCT"
4748};
4749#else
4750EXTCONST char *const PL_phase_names[];
4751#endif
4752
627364f1
FR		 4753#ifndef PERL_CORE
4754/* Do not use this macro. It only exists for extensions that rely on PL_dirty
4755 * instead of using the newer PL_phase, which provides everything PL_dirty
4756 * provided, and more. */
4757# define PL_dirty (PL_phase == PERL_PHASE_DESTRUCT)
4758#endif /* !PERL_CORE */
4759
73c4f7a1
GS		 4760END_EXTERN_C
4761
79072805
LW		 4762/*****************************************************************************/
4763/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4764/*****************************************************************************/
8990e307 4765/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4766
d4c3c482 4767#ifdef __Lynx__
9cffb111
OS		 4768/* LynxOS defines these in scsi.h which is included via ioctl.h */
4769#ifdef FORMAT
4770#undef FORMAT
4771#endif
4772#ifdef SPACE
4773#undef SPACE
4774#endif
d4c3c482 4775#endif
9cffb111 4776
fb73857a 4777#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4778
79072805
LW		 4779typedef enum {
4780 XOPERATOR,
4781 XTERM,
79072805 4782 XREF,
8990e307 4783 XSTATE,
a0d0e21e 4784 XBLOCK,
09bef843
SB		 4785 XATTRBLOCK,
4786 XATTRTERM,
6f33ba73
RGS		 4787 XTERMBLOCK,
4788 XTERMORDORDOR /* evil hack */
27308ded 4789 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4790} expectation;
4791
d5ec2987
NC		 4792/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4793 special and there is no need for HINT_PRIVATE_MASK for COPs
4794 However, bitops store HINT_INTEGER in their op_private. */
9cfe5470
RGS		 4795#define HINT_INTEGER 0x00000001 /* integer pragma */
4796#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4797#define HINT_LOCALE 0x00000004 /* locale pragma */
4798#define HINT_BYTES 0x00000008 /* bytes pragma */
7b0bddfa 4799#define HINT_ARYBASE 0x00000010 /* $[ is non-zero */
a0ed51b3 4800 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 4801 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 4802
4803#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4804#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4805#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
1863b879 4806#define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */
85e6fe83 4807
9cfe5470 4808/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4809#define HINT_NEW_INTEGER 0x00001000
4810#define HINT_NEW_FLOAT 0x00002000
4811#define HINT_NEW_BINARY 0x00004000
4812#define HINT_NEW_STRING 0x00008000
4813#define HINT_NEW_RE 0x00010000
4814#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 4815#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4816#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 4817
9cfe5470
RGS		 4818#define HINT_RE_TAINT 0x00100000 /* re pragma */
4819#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4820
9cfe5470
RGS		 4821#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4822#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4823
e46c382e
YK		 4824#define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
4825
1e215989
FC		 4826#define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */
4827
0239f47c 4828/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4829#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4830#define HINT_SORT_QUICKSORT 0x00000001
4831#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4832#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4833
8bfdd7d9 4834/* Various states of the input record separator SV (rs) */
d4cce5f1 4835#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4836#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4837#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4838#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4839
128e8167 4840/* A struct for keeping various DEBUGGING related stuff,
ce333219 4841 * neatly packed. Currently only scratch variables for
128e8167
JH		 4842 * constructing debug output are included. Needed always,
4843 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4844struct perl_debug_pad {
4845 SV pad[3];
4846};
4847
4848#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4849#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4850 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4851 PERL_DEBUG_PAD(i))
ce333219 4852
56953603 4853/* Enable variables which are pointers to functions */
16c91539
BM		 4854typedef void (*peep_t)(pTHX_ OP* o);
4855typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm);
4856typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg,
0cb96387
GS		 4857 char* strend, char* strbeg, I32 minend,
4858 SV* screamer, void* data, U32 flags);
16c91539 4859typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv,
f722798b
IZ		 4860 char *strpos, char *strend,
4861 U32 flags,
9f61653a 4862 re_scream_pos_data *d);
16c91539
BM		 4863typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog);
4864typedef void (*regfree_t) (pTHX_ struct regexp* r);
4865typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param);
a932d541 4866typedef I32 (*re_fold_t)(const char *, char const *, I32);
56953603 4867
c76ac1ee 4868typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc 4869typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
f30de749 4870typedef void (*SVFUNC_t) (pTHX_ SV* const);
31e9e0a3 4871typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
acfe0abc
GS		 4872typedef void (*XSINIT_t) (pTHX);
4873typedef void (*ATEXIT_t) (pTHX_ void*);
4874typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4875
16c91539
BM		 4876typedef OP* (*Perl_ppaddr_t)(pTHX);
4877typedef OP* (*Perl_check_t) (pTHX_ OP*);
4878typedef void(*Perl_ophook_t)(pTHX_ OP*);
4879typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**);
1830b3d9 4880typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *);
88e1f1a2
JV		 4881
4882#define KEYWORD_PLUGIN_DECLINE 0
4883#define KEYWORD_PLUGIN_STMT 1
4884#define KEYWORD_PLUGIN_EXPR 2
22239a37 4885
58a50f62
GS		 4886/* Interpreter exitlist entry */
4887typedef struct exitlistentry {
acfe0abc 4888 void (*fn) (pTHX_ void*);
58a50f62
GS		 4889 void *ptr;
4890} PerlExitListEntry;
4891
aadb217d
JH		 4892/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4893/* These have to be before perlvars.h */
4894#if !defined(HAS_SIGACTION) && defined(VMS)
4895# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4896#endif
4897/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4898#if defined(KILL_BY_SIGPRC)
4899# define FAKE_DEFAULT_SIGNAL_HANDLERS
4900#endif
4901
8c1cc017
NC		 4902#if !defined(MULTIPLICITY)
4903
4904struct interpreter {
4905 char broiled;
22239a37
NIS		 4906};
4907
8c1cc017 4908#else
22239a37 4909
d460ef45 4910/* If we have multiple interpreters define a struct
d4cce5f1 4911 holding variables which must be per-interpreter
d460ef45 4912 If we don't have threads anything that would have
d4cce5f1
NIS		 4913 be per-thread is per-interpreter.
4914*/
4915
8c1cc017
NC		 4916/* Set up PERLVAR macros for populating structs */
4917# define PERLVAR(var,type) type var;
4918# define PERLVARA(var,n,type) type var[n];
4919# define PERLVARI(var,type,init) type var;
4920# define PERLVARIC(var,type,init) type var;
8c1cc017 4921
79072805 4922struct interpreter {
7766f137 4923# include "intrpvar.h"
49f531da 4924};
d4cce5f1 4925
724cf8d6
NC		 4926EXTCONST U16 PL_interp_size
4927 INIT(sizeof(struct interpreter));
4928
4929# define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \
4930 STRUCT_OFFSET(struct interpreter, member) + \
4931 sizeof(((struct interpreter*)0)->member)
4932
4933/* This will be useful for subsequent releases, because this has to be the
4934 same in your libperl as in main(), else you have a mismatch and must abort.
4935*/
4936EXTCONST U16 PL_interp_size_5_16_0
4937 INIT(PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_16_0_INTERP_MEMBER));
4938
4939
8c1cc017
NC		 4940# ifdef PERL_GLOBAL_STRUCT
4941/* MULTIPLICITY is automatically defined when PERL_GLOBAL_STRUCT is defined,
4942 hence it's safe and sane to nest this within #ifdef MULTIPLICITY */
4943
4944struct perl_vars {
4945# include "perlvars.h"
49f531da 4946};
8c1cc017 4947
724cf8d6
NC		 4948EXTCONST U16 PL_global_struct_size
4949 INIT(sizeof(struct perl_vars));
4950
8c1cc017
NC		 4951# ifdef PERL_CORE
4952# ifndef PERL_GLOBAL_STRUCT_PRIVATE
4953EXT struct perl_vars PL_Vars;
4954EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
4955# undef PERL_GET_VARS
4956# define PERL_GET_VARS() PL_VarsPtr
4957# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
4958# else /* PERL_CORE */
4959# if !defined(__GNUC__) || !defined(WIN32)
4960EXT
4961# endif /* WIN32 */
4962struct perl_vars *PL_VarsPtr;
4963# define PL_Vars (*((PL_VarsPtr) \
4964 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
4965# endif /* PERL_CORE */
4966# endif /* PERL_GLOBAL_STRUCT */
79072805 4967
22239a37 4968/* Done with PERLVAR macros for now ... */
8c1cc017
NC		 4969# undef PERLVAR
4970# undef PERLVARA
4971# undef PERLVARI
4972# undef PERLVARIC
8c1cc017
NC		 4973
4974#endif /* MULTIPLICITY */
79072805 4975
f7fe979e 4976struct tempsym; /* defined in pp_pack.c */
49704364 4977
22239a37 4978#include "thread.h"
79072805 4979#include "pp.h"
864dbfa3
GS		 4980
4981#ifndef PERL_CALLCONV
a0c21aa1
JH		 4982# ifdef __cplusplus
4983# define PERL_CALLCONV extern "C"
4984# else
4985# define PERL_CALLCONV
4986# endif
d460ef45 4987#endif
0cb96387
GS		 4988#undef PERL_CKDEF
4989#undef PERL_PPDEF
0159f81b
JH		 4990#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
4991#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 4992
158cfab6
JD		 4993#ifdef MYMALLOC
4994# include "malloc_ctl.h"
4995#endif
4996
7766f137 4997#include "proto.h"
864dbfa3 4998
0cb96387 4999/* this has structure inits, so it cannot be included before here */
acfe0abc 5000#include "opcode.h"
864dbfa3 5001
d4cce5f1
NIS		 5002/* The following must follow proto.h as #defines mess up syntax */
5003
22c35a8c
GS		 5004#if !defined(PERL_FOR_X2P)
5005# include "embedvar.h"
5006#endif
598921a7
NC		 5007#ifndef PERL_MAD
5008# undef PL_madskills
5009# undef PL_xmlfp
5010# define PL_madskills 0
5011# define PL_xmlfp 0
5012#endif
d4cce5f1 5013
d460ef45 5014/* Now include all the 'global' variables
d4cce5f1 5015 * If we don't have threads or multiple interpreters
d460ef45 5016 * these include variables that would have been their struct-s
d4cce5f1 5017 */
d460ef45 5018
533c011a 5019#define PERLVAR(var,type) EXT type PL_##var;
51371543 5020#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 5021#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
5022#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 5023
acfe0abc 5024#if !defined(MULTIPLICITY)
7766f137 5025START_EXTERN_C
066ef5b5 5026# include "intrpvar.h"
7766f137 5027END_EXTERN_C
22239a37
NIS		 5028#endif
5029
24792b8d
NC		 5030#ifdef PERL_CORE
5031/* All core uses now exterminated. Ensure no zombies can return: */
5032# undef PL_na
5033#endif
5034
acfe0abc 5035#if defined(WIN32)
66a93824 5036/* Now all the config stuff is setup we can include embed.h */
22c35a8c 5037# include "embed.h"
eb8433b7
NC		 5038# ifndef PERL_MAD
5039# undef op_getmad
b3f24c00 5040# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 5041# endif
acfe0abc 5042#endif
22239a37 5043
c5be433b
GS		 5044#ifndef PERL_GLOBAL_STRUCT
5045START_EXTERN_C
5046
5047# include "perlvars.h"
5048
5049END_EXTERN_C
5050#endif
5051
d4cce5f1 5052#undef PERLVAR
51371543 5053#undef PERLVARA
d4cce5f1 5054#undef PERLVARI
0f3f18a6 5055#undef PERLVARIC
79072805 5056
73c4f7a1
GS		 5057START_EXTERN_C
5058
af2f0da9
NC		 5059/* dummy variables that hold pointers to both runops functions, thus forcing
5060 * them *both* to get linked in (useful for Peek.xs, debugging etc) */
5061
5062EXTCONST runops_proc_t PL_runops_std
5063 INIT(Perl_runops_standard);
5064EXTCONST runops_proc_t PL_runops_dbg
5065 INIT(Perl_runops_debug);
5066
bc028b6b
JH		 5067/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
5068 * magic vtables const, but this is incompatible with SWIG which
5069 * does want to modify the vtables. */
5070#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5071# define EXT_MGVTBL EXTCONST MGVTBL
5072#else
5073# define EXT_MGVTBL EXT MGVTBL
5074#endif
5075
82ff486e 5076#define PERL_MAGIC_READONLY_ACCEPTABLE 0x40
e0a73de4
NC		 5077#define PERL_MAGIC_VALUE_MAGIC 0x80
5078#define PERL_MAGIC_VTABLE_MASK 0x3F
82ff486e
NC		 5079#define PERL_MAGIC_TYPE_READONLY_ACCEPTABLE(t) \
5080 (PL_magic_data[(U8)(t)] & PERL_MAGIC_READONLY_ACCEPTABLE)
e0a73de4
NC		 5081#define PERL_MAGIC_TYPE_IS_VALUE_MAGIC(t) \
5082 (PL_magic_data[(U8)(t)] & PERL_MAGIC_VALUE_MAGIC)
5083
8b09643d 5084#include "mg_vtable.h"
6f83ef0e
NC		 5085
5086#ifdef DOINIT
5087EXTCONST U8 PL_magic_data[256] =
5088#include "mg_data.h"
5089;
5090#else
5091EXTCONST U8 PL_magic_data[256];
5092#endif
5093
bab3dc31 5094#include "overload.h"
a0d0e21e 5095
73c4f7a1
GS		 5096END_EXTERN_C
5097
a6006777 5098struct am_table {
8978b4ac
NC		 5099 U8 flags;
5100 U8 fallback;
5101 U16 spare;
eb160463 5102 U32 was_ok_sub;
a0d0e21e 5103 long was_ok_am;
9bd87817 5104 CV* table[NofAMmeth];
a0d0e21e 5105};
a6006777 5106struct am_table_short {
8978b4ac
NC		 5107 U8 flags;
5108 U8 fallback;
5109 U16 spare;
eb160463 5110 U32 was_ok_sub;
a6006777 5111 long was_ok_am;
a6006777 5112};
a0d0e21e 5113typedef struct am_table AMT;
a6006777 5114typedef struct am_table_short AMTS;
a0d0e21e
LW		 5115
5116#define AMGfallNEVER 1
5117#define AMGfallNO 2
5118#define AMGfallYES 3
5119
a6006777 5120#define AMTf_AMAGIC 1
32251b26 5121#define AMTf_OVERLOADED 2
a6006777 5122#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5123#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5124#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 5125#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
5126#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
5127#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 5128
32251b26 5129#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5130
5131/*
5132 * some compilers like to redefine cos et alia as faster
5133 * (and less accurate?) versions called F_cos et cetera (Quidquid
5134 * latine dictum sit, altum viditur.) This trick collides with
5135 * the Perl overloading (amg). The following #defines fool both.
5136 */
5137
5138#ifdef _FASTMATH
5139# ifdef atan2
5140# define F_atan2_amg atan2_amg
5141# endif
5142# ifdef cos
5143# define F_cos_amg cos_amg
5144# endif
5145# ifdef exp
5146# define F_exp_amg exp_amg
5147# endif
5148# ifdef log
5149# define F_log_amg log_amg
5150# endif
5151# ifdef pow
5152# define F_pow_amg pow_amg
5153# endif
5154# ifdef sin
5155# define F_sin_amg sin_amg
5156# endif
5157# ifdef sqrt
5158# define F_sqrt_amg sqrt_amg
5159# endif
5160#endif /* _FASTMATH */
5161
83ee9e09
GS		 5162#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5163 PERLDBf_NOOPT | PERLDBf_INTER | \
5164 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
b8fcbefe
NC		 5165 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5166 PERLDBf_SAVESRC)
925cfbb8 5167 /* No _NONAME, _GOTO */
83ee9e09
GS		 5168#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5169#define PERLDBf_LINE 0x02 /* Keep line # */
5170#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5171#define PERLDBf_INTER 0x08 /* Preserve more data for
5172 later inspections */
5173#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5174#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5175#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5176#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5177#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5178#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
b8fcbefe 5179#define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
486ec47a 5180#define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */
c30d8139 5181#define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
84902520 5182
3280af22
NIS		 5183#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5184#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5185#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5186#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5187#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5188#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5189#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5190#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5191#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5192#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
b8fcbefe 5193#define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC))
c30d8139
NC		 5194#define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS))
5195#define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID))
bbce6d69 5196
36477c24 5197#ifdef USE_LOCALE_NUMERIC
bbce6d69 5198
36477c24 5199#define SET_NUMERIC_STANDARD() \
ff4fed7c 5200 set_numeric_standard();
36477c24 5201
5202#define SET_NUMERIC_LOCAL() \
ff4fed7c 5203 set_numeric_local();
bbce6d69 5204
a98fe34d 5205#define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE)
2de3dbcc
JH		 5206#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
5207
5208#define IN_LOCALE \
923e4eb5 5209 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
2de3dbcc 5210
f93f4e46 5211#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 5212 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 5213 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 5214
5215#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 5216 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 5217 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 5218
5219#define RESTORE_NUMERIC_LOCAL() \
5220 if (was_local) SET_NUMERIC_LOCAL();
5221
5222#define RESTORE_NUMERIC_STANDARD() \
5223 if (was_standard) SET_NUMERIC_STANDARD();
5224
5b877257 5225#define Atof my_atof
097ee67d 5226
36477c24 5227#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5228
097ee67d
JH		 5229#define SET_NUMERIC_STANDARD() /**/
5230#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5231#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5232#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5233#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 5234#define RESTORE_NUMERIC_LOCAL() /**/
5235#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 5236#define Atof my_atof
ad3e0f90 5237#define IN_LOCALE_RUNTIME 0
bbce6d69 5238
36477c24 5239#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5240
079290de 5241#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5242# ifdef __hpux
5243# define strtoll __strtoll /* secret handshake */
5244# endif
c623ac67
GS		 5245# ifdef WIN64
5246# define strtoll _strtoi64 /* secret handshake */
5247# endif
079290de
GS		 5248# if !defined(Strtol) && defined(HAS_STRTOLL)
5249# define Strtol strtoll
ad551343 5250# endif
28e5dec8
JH		 5251# if !defined(Strtol) && defined(HAS_STRTOQ)
5252# define Strtol strtoq
5253# endif
ff935051 5254/* is there atoq() anywhere? */
15b99d39 5255#endif
079290de
GS		 5256#if !defined(Strtol) && defined(HAS_STRTOL)
5257# define Strtol strtol
5258#endif
5259#ifndef Atol
5260/* It would be more fashionable to use Strtol() to define atol()
5261 * (as is done for Atoul(), see below) but for backward compatibility
5262 * we just assume atol(). */
76b882ba 5263# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 5264# ifdef WIN64
5265# define atoll _atoi64 /* secret handshake */
5266# endif
76b882ba
JH		 5267# define Atol atoll
5268# else
5269# define Atol atol
5270# endif
cf2093f6
JH		 5271#endif
5272
55eb892c 5273#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5274# ifdef __hpux
5275# define strtoull __strtoull /* secret handshake */
5276# endif
c623ac67
GS		 5277# ifdef WIN64
5278# define strtoull _strtoui64 /* secret handshake */
5279# endif
ad551343 5280# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5281# define Strtoul strtoull
15b99d39 5282# endif
079290de
GS		 5283# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5284# define Strtoul strtouq
5285# endif
76d49b1c 5286/* is there atouq() anywhere? */
ad551343 5287#endif
079290de
GS		 5288#if !defined(Strtoul) && defined(HAS_STRTOUL)
5289# define Strtoul strtoul
cf2093f6 5290#endif
a5523c5b
JH		 5291#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5292# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5293#endif
079290de 5294#ifndef Atoul
d4c19fe8 5295# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5296#endif
cf2093f6 5297
760ac839 5298
06d86050
GS		 5299/* if these never got defined, they need defaults */
5300#ifndef PERL_SET_CONTEXT
5301# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5302#endif
5303
5304#ifndef PERL_GET_CONTEXT
5305# define PERL_GET_CONTEXT PERL_GET_INTERP
5306#endif
5307
5308#ifndef PERL_GET_THX
5309# define PERL_GET_THX ((void*)NULL)
5310#endif
5311
5312#ifndef PERL_SET_THX
5313# define PERL_SET_THX(t) NOOP
5314#endif
5315
a868473f
NIS		 5316#ifndef PERL_SCRIPT_MODE
5317#define PERL_SCRIPT_MODE "r"
5318#endif
5319
fba3b22e 5320/*
da927450
JH		 5321 * Some operating systems are stingy with stack allocation,
5322 * so perl may have to guard against stack overflow.
5323 */
5324#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5325#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5326#endif
5327
5328/*
5329 * Some nonpreemptive operating systems find it convenient to
5330 * check for asynchronous conditions after each op execution.
5331 * Keep this check simple, or it may slow down execution
5332 * massively.
5333 */
ce08f86c 5334
1d615522 5335#ifndef PERL_MICRO
4ffa73a3 5336# ifndef PERL_ASYNC_CHECK
16c91539 5337# define PERL_ASYNC_CHECK() if (PL_sig_pending) PL_signalhook(aTHX)
4ffa73a3 5338# endif
ce08f86c
NIS		 5339#endif
5340
da927450 5341#ifndef PERL_ASYNC_CHECK
1d615522 5342# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5343#endif
5344
5345/*
5346 * On some operating systems, a memory allocation may succeed,
5347 * but put the process too close to the system's comfort limit.
5348 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5349 * it to NULL.
5350 */
5351#ifndef PERL_ALLOC_CHECK
c2af87cb 5352#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5353#endif
5354
bd89102f
AD		 5355#ifdef HAS_SEM
5356# include <sys/ipc.h>
5357# include <sys/sem.h>
5358# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5359 union semun {
dbba660d
TC		 5360 int val;
5361 struct semid_ds *buf;
5362 unsigned short *array;
bd89102f
AD		 5363 };
5364# endif
5365# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5366# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5367 union gccbug_semun {
5368 int val;
5369 struct semid_ds *buf;
5370 unsigned short *array;
5371 char __dummy[5];
5372 };
5373# define semun gccbug_semun
5374# endif
bd89102f
AD		 5375# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5376# else
5377# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5378# ifdef EXTRA_F_IN_SEMUN_BUF
5379# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5380# else
5381# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5382# endif
bd89102f
AD		 5383# endif
5384# endif
bd89102f 5385#endif
49f531da 5386
89ca4ac7
JH		 5387/*
5388 * Boilerplate macros for initializing and accessing interpreter-local
5389 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 5390 * this, if you want to make the extension thread-safe. See
5391 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5392 * and perlxs.pod for more.
89ca4ac7
JH		 5393 *
5394 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5395 * 1. #define MY_CXT_KEY to a unique string, e.g.
5396 * "DynaLoader::_guts" XS_VERSION
f16dd614 5397 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5398 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5399 * all the data that needs to be interpreter-local.
5400 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5401 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5402 * (typically put in the BOOT: section).
5403 * 5. Use the members of the my_cxt_t structure everywhere as
5404 * MY_CXT.member.
5405 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5406 * access MY_CXT.
5407 */
5408
fc958cd2 5409#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 5410
4eddb856 5411/* START_MY_CXT must appear in all extensions that define a my_cxt_t structure,
53d44271
JH		 5412 * right after the definition (i.e. at file scope). The non-threads
5413 * case below uses it to declare the data as static. */
00ab59c9
DM		 5414# ifdef PERL_GLOBAL_STRUCT_PRIVATE
5415# define START_MY_CXT
5416# define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5417# define MY_CXT_INIT_ARG MY_CXT_KEY
5418# else
5419# define START_MY_CXT static int my_cxt_index = -1;
5420# define MY_CXT_INDEX my_cxt_index
5421# define MY_CXT_INIT_ARG &my_cxt_index
5422# endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
53d44271
JH		 5423
5424/* Creates and zeroes the per-interpreter data.
5425 * (We allocate my_cxtp in a Perl SV so that it will be released when
5426 * the interpreter goes away.) */
00ab59c9 5427# define MY_CXT_INIT \
53d44271 5428 my_cxt_t *my_cxtp = \
27cbf00a 5429 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t))
00ab59c9 5430# define MY_CXT_INIT_INTERP(my_perl) \
53d44271 5431 my_cxt_t *my_cxtp = \
27cbf00a 5432 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t))
53d44271
JH		 5433
5434/* This declaration should be used within all functions that use the
5435 * interpreter-local data. */
00ab59c9 5436# define dMY_CXT \
53d44271 5437 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
00ab59c9 5438# define dMY_CXT_INTERP(my_perl) \
53d44271
JH		 5439 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5440
5441/* Clones the per-interpreter data. */
00ab59c9 5442# define MY_CXT_CLONE \
53d44271
JH		 5443 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5444 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5445 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5446
53d44271 5447
89ca4ac7
JH		 5448/* This macro must be used to access members of the my_cxt_t structure.
5449 * e.g. MYCXT.some_data */
00ab59c9 5450# define MY_CXT (*my_cxtp)
89ca4ac7
JH		 5451
5452/* Judicious use of these macros can reduce the number of times dMY_CXT
5453 * is used. Use is similar to pTHX, aTHX etc. */
00ab59c9
DM		 5454# define pMY_CXT my_cxt_t *my_cxtp
5455# define pMY_CXT_ pMY_CXT,
5456# define _pMY_CXT ,pMY_CXT
5457# define aMY_CXT my_cxtp
5458# define aMY_CXT_ aMY_CXT,
5459# define _aMY_CXT ,aMY_CXT
89ca4ac7 5460
f16dd614 5461#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7 5462
00ab59c9
DM		 5463# define START_MY_CXT static my_cxt_t my_cxt;
5464# define dMY_CXT_SV dNOOP
5465# define dMY_CXT dNOOP
5466# define dMY_CXT_INTERP(my_perl) dNOOP
5467# define MY_CXT_INIT NOOP
5468# define MY_CXT_CLONE NOOP
5469# define MY_CXT my_cxt
5470
5471# define pMY_CXT void
5472# define pMY_CXT_
5473# define _pMY_CXT
5474# define aMY_CXT
5475# define aMY_CXT_
5476# define _aMY_CXT
89ca4ac7 5477
f16dd614 5478#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5479
9a34ef1d
GS		 5480#ifdef I_FCNTL
5481# include <fcntl.h>
9a34ef1d
GS		 5482#endif
5483
9cffb111
OS		 5484#ifdef __Lynx__
5485# include <fcntl.h>
5486#endif
5487
9a34ef1d
GS		 5488#ifdef I_SYS_FILE
5489# include <sys/file.h>
5490#endif
5491
fa0a29af 5492#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5493int flock(int fd, int op);
5494#endif
5495
fe52b3b7
GS		 5496#ifndef O_RDONLY
5497/* Assume UNIX defaults */
5498# define O_RDONLY 0000
5499# define O_WRONLY 0001
5500# define O_RDWR 0002
5501# define O_CREAT 0100
5502#endif
9a34ef1d 5503
16fe6d59
GS		 5504#ifndef O_BINARY
5505# define O_BINARY 0
5506#endif
5507
5508#ifndef O_TEXT
5509# define O_TEXT 0
5510#endif
5511
6ce75a77
JH		 5512#if O_TEXT != O_BINARY
5513 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5514 * that is, you are somehow DOSish. */
df00ff3b
IW		 5515# if defined(__BEOS__) || defined(__HAIKU__) || defined(__VOS__) || \
5516 defined(__CYGWIN__)
5517 /* BeOS/Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5518 * BeOS/Haiku is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5519 /* VOS has O_TEXT != O_BINARY, and they have effect,
5520 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5521 /* If you have O_TEXT different from your O_BINARY but you still are
5522 * not a CRLF shop. */
35990314 5523# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5524# else
5525 /* If you really are DOSish. */
5526# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5527# endif
5528#endif
5529
4bc88a62
PS		 5530#ifdef I_LIBUTIL
5531# include <libutil.h> /* setproctitle() in some FreeBSDs */
5532#endif
5533
b4748376 5534#ifndef EXEC_ARGV_CAST
360ea906 5535#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 5536#endif
5537
dd5dc04f
JH		 5538#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5539 int). value returned in pointed-
5540 to UV */
5541#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5542#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5543#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5544#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5545#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5546
5547#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5548
53305cf1
NC		 5549/* Input flags: */
5550#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5551#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5552#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
02470786
KW		 5553#define PERL_SCAN_SILENT_NON_PORTABLE 0x08 /* grok_??? not warn about very large
5554 numbers which are <= UV_MAX */
53305cf1
NC		 5555/* Output flags: */
5556#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5557
2c4f7f0e
DM		 5558/* to let user control profiling */
5559#ifdef PERL_GPROF_CONTROL
5560extern void moncontrol(int);
5561#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5562#else
5563#define PERL_GPROF_MONCONTROL(x)
5564#endif
5565
ae0e3d3b
JH		 5566#ifdef UNDER_CE
5567#include "wince.h"
5568#endif
5569
5570/* ISO 6429 NEL - C1 control NExt Line */
5571/* See http://www.unicode.org/unicode/reports/tr13/ */
5572#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
5573# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
5574# define NEXT_LINE_CHAR 0x15
5575# else /* CDRA */
5576# define NEXT_LINE_CHAR 0x25
5577# endif
5578#else
5579# define NEXT_LINE_CHAR 0x85
5580#endif
5581
5582/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5583#define UNICODE_LINE_SEPA_0 0xE2
5584#define UNICODE_LINE_SEPA_1 0x80
5585#define UNICODE_LINE_SEPA_2 0xA8
5586#define UNICODE_PARA_SEPA_0 0xE2
5587#define UNICODE_PARA_SEPA_1 0x80
5588#define UNICODE_PARA_SEPA_2 0xA9
5589
479b2847
GS		 5590#ifndef PIPESOCK_MODE
5591# define PIPESOCK_MODE
5592#endif
5593
460c8493
IZ		 5594#ifndef SOCKET_OPEN_MODE
5595# define SOCKET_OPEN_MODE PIPESOCK_MODE
5596#endif
5597
5598#ifndef PIPE_OPEN_MODE
5599# define PIPE_OPEN_MODE PIPESOCK_MODE
5600#endif
5601
7e8c5dac
HS		 5602#define PERL_MAGIC_UTF8_CACHESIZE 2
5603
a05d7ebb
JH		 5604#define PERL_UNICODE_STDIN_FLAG 0x0001
5605#define PERL_UNICODE_STDOUT_FLAG 0x0002
5606#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5607#define PERL_UNICODE_IN_FLAG 0x0008
5608#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5609#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5610#define PERL_UNICODE_LOCALE_FLAG 0x0040
5611#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 5612#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 5613
06e66572
JH		 5614#define PERL_UNICODE_STD_FLAG \
5615 (PERL_UNICODE_STDIN_FLAG | \
5616 PERL_UNICODE_STDOUT_FLAG | \
5617 PERL_UNICODE_STDERR_FLAG)
5618
5619#define PERL_UNICODE_INOUT_FLAG \
5620 (PERL_UNICODE_IN_FLAG | \
5621 PERL_UNICODE_OUT_FLAG)
5622
5623#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5624 (PERL_UNICODE_STD_FLAG | \
5625 PERL_UNICODE_INOUT_FLAG | \
5626 PERL_UNICODE_LOCALE_FLAG)
5627
5a22a2bb 5628#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 5629
5630#define PERL_UNICODE_STDIN 'I'
5631#define PERL_UNICODE_STDOUT 'O'
5632#define PERL_UNICODE_STDERR 'E'
5633#define PERL_UNICODE_STD 'S'
5634#define PERL_UNICODE_IN 'i'
5635#define PERL_UNICODE_OUT 'o'
5636#define PERL_UNICODE_INOUT 'D'
5637#define PERL_UNICODE_ARGV 'A'
5638#define PERL_UNICODE_LOCALE 'L'
5639#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 5640#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 5641
4ffa73a3
JH		 5642#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5643
32fdb065 5644/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5645 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5646#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5647
3c0f78ca
JH		 5648#if defined(__DECC) && defined(__osf__)
5649#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 5650#endif
5651
e4dba786
NC		 5652#define do_open(g, n, l, a, rm, rp, sf) \
5653 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 5654#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 5655# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 5656#endif
15871fce
NC		 5657#ifdef OS2
5658# define do_aexec Perl_do_aexec
5659#else
5660# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 5661#endif
e4dba786 5662
2f3efc97
JH		 5663#if defined(OEMVS)
5664#define NO_ENV_ARRAY_IN_MAIN
5665#endif
5666
00f254e2
KW		 5667/* These are used by Perl_pv_escape() and Perl_pv_pretty()
5668 * are here so that they are available throughout the core
10edeb5d
JH		 5669 * NOTE that even though some are for _escape and some for _pretty
5670 * there must not be any clashes as the flags from _pretty are
5671 * passed straight through to _escape.
5672 */
5673
5674#define PERL_PV_ESCAPE_QUOTE 0x0001
5675#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
5676
95b611b0 5677#define PERL_PV_PRETTY_ELLIPSES 0x0002
10edeb5d
JH		 5678#define PERL_PV_PRETTY_LTGT 0x0004
5679
5680#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
5681
00f254e2 5682#define PERL_PV_ESCAPE_UNI 0x0100
10edeb5d 5683#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
681f01c2 5684#define PERL_PV_ESCAPE_NONASCII 0x0400
10edeb5d
JH		 5685
5686#define PERL_PV_ESCAPE_ALL 0x1000
5687#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
5688#define PERL_PV_ESCAPE_NOCLEAR 0x4000
44a2ac75 5689#define PERL_PV_ESCAPE_RE 0x8000
10edeb5d 5690
881a015e
NC		 5691#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
5692
10edeb5d 5693/* used by pv_display in dump.c*/
95b611b0 5694#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
c89df6cf 5695#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII
10edeb5d 5696
26ea9e12
NC		 5697#ifdef PERL_CORE
5698# define FEATURE_IS_ENABLED(name) \
5699 ((0 != (PL_hints & HINT_LOCALIZE_HH)) \
5700 && Perl_feature_is_enabled(aTHX_ STR_WITH_LEN(name)))
5701/* The longest string we pass in. */
5702# define MAX_FEATURE_LEN (sizeof("unicode_strings")-1)
5703#endif
5704
10edeb5d
JH		 5705/*
5706
5707 (KEEP THIS LAST IN perl.h!)
5708
5709 Mention
d460ef45 5710
43999f95 5711 NV_PRESERVES_UV
fe749a9f 5712
fe749a9f
JH		 5713 HAS_MKSTEMP
5714 HAS_MKSTEMPS
5715 HAS_MKDTEMP
5716
49dabb45
JH		 5717 HAS_GETCWD
5718
d59b5429 5719 HAS_MMAP
fe749a9f
JH		 5720 HAS_MPROTECT
5721 HAS_MSYNC
1e8c3fde 5722 HAS_MADVISE
fe749a9f
JH		 5723 HAS_MUNMAP
5724 I_SYSMMAN
5725 Mmap_t
5726
6b4667fc
A		 5727 NVef
5728 NVff
5729 NVgf
5730
4e0554ec 5731 HAS_UALARM
2d736872 5732 HAS_USLEEP
4e0554ec
JH		 5733
5734 HAS_SETITIMER
5735 HAS_GETITIMER
5736
5737 HAS_SENDMSG
5738 HAS_RECVMSG
5739 HAS_READV
5740 HAS_WRITEV
5741 I_SYSUIO
5742 HAS_STRUCT_MSGHDR
5743 HAS_STRUCT_CMSGHDR
5744
2765b840 5745 HAS_NL_LANGINFO
0a7020c9 5746
ae0e3d3b 5747 HAS_DIRFD
2765b840 5748
10edeb5d 5749 so that Configure picks them up.
ab3bbdeb 5750
10edeb5d 5751 (KEEP THIS LAST IN perl.h!)
3df15adc 5752
10edeb5d 5753*/
3df15adc 5754
85e6fe83 5755#endif /* Include guard */
e9a8c099
MHM		 5756
5757/*
5758 * Local variables:
5759 * c-indentation-style: bsd
5760 * c-basic-offset: 4
5761 * indent-tabs-mode: t
5762 * End:
5763 *
5764 * ex: set ts=8 sts=4 sw=4 noet:
5765 */
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