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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. */
64a8239e 362#define dNOOP extern int Perl___notused(void)
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
d6f9c181
JH		 494#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
495# define BYTEORDER 0x1234
79072805
LW		 496#endif
497
498/* Overall memory policy? */
499#ifndef CONSERVATIVE
500# define LIBERAL 1
501#endif
502
8ada0baa
JH		 503#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
504#define ASCIIish
505#else
506#undef ASCIIish
507#endif
508
79072805
LW		 509/*
510 * The following contortions are brought to you on behalf of all the
511 * standards, semi-standards, de facto standards, not-so-de-facto standards
512 * of the world, as well as all the other botches anyone ever thought of.
513 * The basic theory is that if we work hard enough here, the rest of the
514 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
515 */
ac58e20f 516
ee0007ab 517/* define this once if either system, instead of cluttering up the src */
2986a63f 518#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 519#define DOSISH 1
520#endif
521
fb38d079 522#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 523# define STANDARD_C 1
524#endif
525
9969cdde 526#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 527# define DONT_DECLARE_STD 1
528#endif
529
352d5a3a 530#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 531# define VOL volatile
663a0e37 532#else
79072805 533# define VOL
663a0e37
LW		 534#endif
535
3280af22
NIS		 536#define TAINT (PL_tainted = TRUE)
537#define TAINT_NOT (PL_tainted = FALSE)
538#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
539#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 540#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 541
20be6587
DM		 542/* flags used internally only within pp_subst and pp_substcont */
543#ifdef PERL_CORE
544# define SUBST_TAINT_STR 1 /* string tainted */
545# define SUBST_TAINT_PAT 2 /* pattern tainted */
546# define SUBST_TAINT_REPL 4 /* replacement tainted */
547# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
548# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
549#endif
550
d460ef45 551/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 552 defines move there? If so, I could simplify this a lot. --AD 9/96.
553*/
554/* Process group stuff changed from traditional BSD to POSIX.
555 perlfunc.pod documents the traditional BSD-style syntax, so we'll
556 try to preserve that, if possible.
557*/
558#ifdef HAS_SETPGID
559# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 560#else
a6e633de 561# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
562# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
563# else
564# ifdef HAS_SETPGRP2 /* DG/UX */
565# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
566# endif
567# endif
568#endif
569#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
570# define HAS_SETPGRP /* Well, effectively it does . . . */
571#endif
572
573/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
574 our life easier :-) so we'll try it.
575*/
576#ifdef HAS_GETPGID
577# define BSD_GETPGRP(pid) getpgid((pid))
578#else
579# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
580# define BSD_GETPGRP(pid) getpgrp((pid))
581# else
582# ifdef HAS_GETPGRP2 /* DG/UX */
583# define BSD_GETPGRP(pid) getpgrp2((pid))
584# endif
585# endif
586#endif
587#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
588# define HAS_GETPGRP /* Well, effectively it does . . . */
589#endif
590
d460ef45 591/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 592 have different behaviors, but perl.h used to define USE_BSDPGRP
593 (prior to 5.003_05) so some extension might depend on it.
594*/
595#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
596# ifndef USE_BSDPGRP
597# define USE_BSDPGRP
598# endif
663a0e37
LW		 599#endif
600
486ec47a 601/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH		 602 pthread.h must be included before all other header files.
603*/
3db8f154 604#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 605# include <pthread.h>
606#endif
607
760ac839
LW		 608#ifndef _TYPES_ /* If types.h defines this it's easy. */
609# ifndef major /* Does everyone's types.h define this? */
610# include <sys/types.h>
c07a80fd 611# endif
663a0e37
LW		 612#endif
613
760ac839
LW		 614#ifdef __cplusplus
615# ifndef I_STDARG
616# define I_STDARG 1
617# endif
618#endif
619
620#ifdef I_STDARG
621# include <stdarg.h>
622#else
623# ifdef I_VARARGS
624# include <varargs.h>
625# endif
626#endif
627
4633a7c4 628#ifdef USE_NEXT_CTYPE
0c30d9ec 629
092bebab
JH		 630#if NX_CURRENT_COMPILER_RELEASE >= 500
631# include <bsd/ctypes.h>
632#else
633# if NX_CURRENT_COMPILER_RELEASE >= 400
634# include <objc/NXCType.h>
635# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
636# include <appkit/NXCType.h>
637# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
638#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 639
640#else /* !USE_NEXT_CTYPE */
fe14fcc3 641#include <ctype.h>
0c30d9ec 642#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 643
644#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
645#undef METHOD
a0d0e21e
LW		 646#endif
647
12ae5dfc
JH		 648#ifdef PERL_MICRO
649# define NO_LOCALE
650#endif
651
4633a7c4 652#ifdef I_LOCALE
36477c24 653# include <locale.h>
4633a7c4
LW		 654#endif
655
36477c24 656#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
657# define USE_LOCALE
658# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
659 && defined(HAS_STRXFRM)
660# define USE_LOCALE_COLLATE
661# endif
662# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
663# define USE_LOCALE_CTYPE
664# endif
665# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
666# define USE_LOCALE_NUMERIC
667# endif
668#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 669
fe14fcc3 670#include <setjmp.h>
79072805 671
a0d0e21e 672#ifdef I_SYS_PARAM
79072805
LW		 673# ifdef PARAM_NEEDS_TYPES
674# include <sys/types.h>
675# endif
676# include <sys/param.h>
352d5a3a 677#endif
79072805 678
79072805 679/* Use all the "standard" definitions? */
a0d0e21e 680#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 681# include <stdlib.h>
ff68c719 682#endif
03a14243 683
3f270f98
JH		 684/* If this causes problems, set i_unistd=undef in the hint file. */
685#ifdef I_UNISTD
686# include <unistd.h>
687#endif
688
de8ca8af
NT		 689/* for WCOREDUMP */
690#ifdef I_SYS_WAIT
691# include <sys/wait.h>
692#endif
693
9969cdde 694#ifdef __SYMBIAN32__
27da23d5
JH		 695# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
696#endif
697
7114a2d2 698#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 699EXTERN_C int syscall(int, ...);
2ef53570
JH		 700#endif
701
7114a2d2 702#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 703EXTERN_C int usleep(unsigned int);
2ef53570
JH		 704#endif
705
9c12f1e5
RGS		 706/* Funky places that do not have socket stuff. */
707#if defined(__LIBCATAMOUNT__)
708# define MYSWAP
709#endif
710
9a34ef1d
GS		 711#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
712# define MYSWAP
713#endif
714
1109a392
MHM		 715#ifdef PERL_CORE
716
717/* macros for correct constant construction */
718# if INTSIZE >= 2
719# define U16_CONST(x) ((U16)x##U)
720# else
721# define U16_CONST(x) ((U16)x##UL)
722# endif
723
724# if INTSIZE >= 4
725# define U32_CONST(x) ((U32)x##U)
726# else
727# define U32_CONST(x) ((U32)x##UL)
728# endif
729
730# ifdef HAS_QUAD
731# if INTSIZE >= 8
732# define U64_CONST(x) ((U64)x##U)
733# elif LONGSIZE >= 8
734# define U64_CONST(x) ((U64)x##UL)
735# elif QUADKIND == QUAD_IS_LONG_LONG
736# define U64_CONST(x) ((U64)x##ULL)
737# else /* best guess we can make */
738# define U64_CONST(x) ((U64)x##UL)
739# endif
740# endif
741
742/* byte-swapping functions for big-/little-endian conversion */
743# define _swab_16_(x) ((U16)( \
744 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
745 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
746
747# define _swab_32_(x) ((U32)( \
748 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
749 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
750 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
751 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
752
753# ifdef HAS_QUAD
754# define _swab_64_(x) ((U64)( \
755 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
756 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
757 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
758 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
759 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
760 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
761 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
762 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
763# endif
764
765/*----------------------------------------------------------------------------*/
766# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
767/*----------------------------------------------------------------------------*/
768# define my_htole16(x) (x)
769# define my_letoh16(x) (x)
770# define my_htole32(x) (x)
771# define my_letoh32(x) (x)
772# define my_htobe16(x) _swab_16_(x)
773# define my_betoh16(x) _swab_16_(x)
774# define my_htobe32(x) _swab_32_(x)
775# define my_betoh32(x) _swab_32_(x)
776# ifdef HAS_QUAD
777# define my_htole64(x) (x)
778# define my_letoh64(x) (x)
779# define my_htobe64(x) _swab_64_(x)
780# define my_betoh64(x) _swab_64_(x)
781# endif
782# define my_htoles(x) (x)
783# define my_letohs(x) (x)
784# define my_htolei(x) (x)
785# define my_letohi(x) (x)
786# define my_htolel(x) (x)
787# define my_letohl(x) (x)
788# if SHORTSIZE == 1
789# define my_htobes(x) (x)
790# define my_betohs(x) (x)
791# elif SHORTSIZE == 2
792# define my_htobes(x) _swab_16_(x)
793# define my_betohs(x) _swab_16_(x)
794# elif SHORTSIZE == 4
795# define my_htobes(x) _swab_32_(x)
796# define my_betohs(x) _swab_32_(x)
797# elif SHORTSIZE == 8
798# define my_htobes(x) _swab_64_(x)
799# define my_betohs(x) _swab_64_(x)
800# else
801# define PERL_NEED_MY_HTOBES
802# define PERL_NEED_MY_BETOHS
803# endif
804# if INTSIZE == 1
805# define my_htobei(x) (x)
806# define my_betohi(x) (x)
807# elif INTSIZE == 2
808# define my_htobei(x) _swab_16_(x)
809# define my_betohi(x) _swab_16_(x)
810# elif INTSIZE == 4
811# define my_htobei(x) _swab_32_(x)
812# define my_betohi(x) _swab_32_(x)
813# elif INTSIZE == 8
814# define my_htobei(x) _swab_64_(x)
815# define my_betohi(x) _swab_64_(x)
816# else
817# define PERL_NEED_MY_HTOBEI
818# define PERL_NEED_MY_BETOHI
819# endif
820# if LONGSIZE == 1
821# define my_htobel(x) (x)
822# define my_betohl(x) (x)
823# elif LONGSIZE == 2
824# define my_htobel(x) _swab_16_(x)
825# define my_betohl(x) _swab_16_(x)
826# elif LONGSIZE == 4
827# define my_htobel(x) _swab_32_(x)
828# define my_betohl(x) _swab_32_(x)
829# elif LONGSIZE == 8
830# define my_htobel(x) _swab_64_(x)
831# define my_betohl(x) _swab_64_(x)
832# else
833# define PERL_NEED_MY_HTOBEL
834# define PERL_NEED_MY_BETOHL
835# endif
836# define my_htolen(p,n) NOOP
837# define my_letohn(p,n) NOOP
838# define my_htoben(p,n) my_swabn(p,n)
839# define my_betohn(p,n) my_swabn(p,n)
840/*----------------------------------------------------------------------------*/
841# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
842/*----------------------------------------------------------------------------*/
843# define my_htobe16(x) (x)
844# define my_betoh16(x) (x)
845# define my_htobe32(x) (x)
846# define my_betoh32(x) (x)
847# define my_htole16(x) _swab_16_(x)
848# define my_letoh16(x) _swab_16_(x)
849# define my_htole32(x) _swab_32_(x)
850# define my_letoh32(x) _swab_32_(x)
851# ifdef HAS_QUAD
852# define my_htobe64(x) (x)
853# define my_betoh64(x) (x)
854# define my_htole64(x) _swab_64_(x)
855# define my_letoh64(x) _swab_64_(x)
856# endif
857# define my_htobes(x) (x)
858# define my_betohs(x) (x)
859# define my_htobei(x) (x)
860# define my_betohi(x) (x)
861# define my_htobel(x) (x)
862# define my_betohl(x) (x)
863# if SHORTSIZE == 1
864# define my_htoles(x) (x)
865# define my_letohs(x) (x)
866# elif SHORTSIZE == 2
867# define my_htoles(x) _swab_16_(x)
868# define my_letohs(x) _swab_16_(x)
869# elif SHORTSIZE == 4
870# define my_htoles(x) _swab_32_(x)
871# define my_letohs(x) _swab_32_(x)
872# elif SHORTSIZE == 8
873# define my_htoles(x) _swab_64_(x)
874# define my_letohs(x) _swab_64_(x)
875# else
876# define PERL_NEED_MY_HTOLES
877# define PERL_NEED_MY_LETOHS
878# endif
879# if INTSIZE == 1
880# define my_htolei(x) (x)
881# define my_letohi(x) (x)
882# elif INTSIZE == 2
883# define my_htolei(x) _swab_16_(x)
884# define my_letohi(x) _swab_16_(x)
885# elif INTSIZE == 4
886# define my_htolei(x) _swab_32_(x)
887# define my_letohi(x) _swab_32_(x)
888# elif INTSIZE == 8
889# define my_htolei(x) _swab_64_(x)
890# define my_letohi(x) _swab_64_(x)
891# else
892# define PERL_NEED_MY_HTOLEI
893# define PERL_NEED_MY_LETOHI
894# endif
895# if LONGSIZE == 1
896# define my_htolel(x) (x)
897# define my_letohl(x) (x)
898# elif LONGSIZE == 2
899# define my_htolel(x) _swab_16_(x)
900# define my_letohl(x) _swab_16_(x)
901# elif LONGSIZE == 4
902# define my_htolel(x) _swab_32_(x)
903# define my_letohl(x) _swab_32_(x)
904# elif LONGSIZE == 8
905# define my_htolel(x) _swab_64_(x)
906# define my_letohl(x) _swab_64_(x)
907# else
908# define PERL_NEED_MY_HTOLEL
909# define PERL_NEED_MY_LETOHL
910# endif
911# define my_htolen(p,n) my_swabn(p,n)
912# define my_letohn(p,n) my_swabn(p,n)
913# define my_htoben(p,n) NOOP
914# define my_betohn(p,n) NOOP
915/*----------------------------------------------------------------------------*/
916# else /* all other byte-orders */
917/*----------------------------------------------------------------------------*/
918# define PERL_NEED_MY_HTOLE16
919# define PERL_NEED_MY_LETOH16
920# define PERL_NEED_MY_HTOBE16
921# define PERL_NEED_MY_BETOH16
922# define PERL_NEED_MY_HTOLE32
923# define PERL_NEED_MY_LETOH32
924# define PERL_NEED_MY_HTOBE32
925# define PERL_NEED_MY_BETOH32
926# ifdef HAS_QUAD
927# define PERL_NEED_MY_HTOLE64
928# define PERL_NEED_MY_LETOH64
929# define PERL_NEED_MY_HTOBE64
930# define PERL_NEED_MY_BETOH64
931# endif
932# define PERL_NEED_MY_HTOLES
933# define PERL_NEED_MY_LETOHS
934# define PERL_NEED_MY_HTOBES
935# define PERL_NEED_MY_BETOHS
936# define PERL_NEED_MY_HTOLEI
937# define PERL_NEED_MY_LETOHI
938# define PERL_NEED_MY_HTOBEI
939# define PERL_NEED_MY_BETOHI
940# define PERL_NEED_MY_HTOLEL
941# define PERL_NEED_MY_LETOHL
942# define PERL_NEED_MY_HTOBEL
943# define PERL_NEED_MY_BETOHL
944/*----------------------------------------------------------------------------*/
945# endif /* end of byte-order macros */
946/*----------------------------------------------------------------------------*/
947
9c17f24a
NC		 948/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
949 at least on FreeBSD. YMMV, so experiment. */
950#ifndef PERL_ARENA_SIZE
951#define PERL_ARENA_SIZE 4080
952#endif
953
ccb2c8b8 954/* Maximum level of recursion */
2b9dff67
RGS		 955#ifndef PERL_SUB_DEPTH_WARN
956#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 957#endif
958
1109a392
MHM		 959#endif /* PERL_CORE */
960
bdf3085f
NC		 961/* We no longer default to creating a new SV for GvSV.
962 Do this before embed. */
963#ifndef PERL_CREATE_GVSV
7459f06b
NC		 964# ifndef PERL_DONT_CREATE_GVSV
965# define PERL_DONT_CREATE_GVSV
966# endif
bdf3085f
NC		 967#endif
968
ca0c25f6
NC		 969#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
970#define PERL_USES_PL_PIDSTATUS
971#endif
972
e37778c2 973#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__)
a62746fa
RGS		 974#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
975#endif
976
c31fac66
GS		 977#define MEM_SIZE Size_t
978
1936d2a7
NC		 979/* Round all values passed to malloc up, by default to a multiple of
980 sizeof(size_t)
981*/
982#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
983#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
984#endif
985
f1200559
WH		 986/* sv_grow() will expand strings by at least a certain percentage of
987 the previously *used* length to avoid excessive calls to realloc().
988 The default is 25% of the current length.
989*/
990#ifndef PERL_STRLEN_EXPAND_SHIFT
991# define PERL_STRLEN_EXPAND_SHIFT 2
992#endif
993
51371543
GS		 994#if defined(STANDARD_C) && defined(I_STDDEF)
995# include <stddef.h>
996# define STRUCT_OFFSET(s,m) offsetof(s,m)
997#else
998# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
999#endif
1000
9969cdde 1001#ifndef __SYMBIAN32__
27da23d5
JH		 1002# if defined(I_STRING) || defined(__cplusplus)
1003# include <string.h>
1004# else
1005# include <strings.h>
1006# endif
51371543
GS		 1007#endif
1008
55497cff 1009/* This comes after <stdlib.h> so we don't try to change the standard
1010 * library prototypes; we'll use our own in proto.h instead. */
03a14243 1011
4633a7c4 1012#ifdef MYMALLOC
86058a2d 1013# ifdef PERL_POLLUTE_MALLOC
ee13e175 1014# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 1015# define Perl_malloc malloc
1016# define Perl_calloc calloc
1017# define Perl_realloc realloc
1018# define Perl_mfree free
ee13e175 1019# endif
86058a2d
GS		 1020# else
1021# define EMBEDMYMALLOC /* for compatibility */
1022# endif
827e134a 1023
651b9576
GS		 1024# define safemalloc Perl_malloc
1025# define safecalloc Perl_calloc
1026# define saferealloc Perl_realloc
1027# define safefree Perl_mfree
22f7c9c9
JH		 1028# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1029 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1030 code; \
1031 } STMT_END
1032# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1033 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1034# define panic_write2(s) write(2, s, strlen(s))
1035# define CHECK_MALLOC_TAINT(newval) \
1036 CHECK_MALLOC_TOO_LATE_FOR_( \
1037 if (newval) { \
1038 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1039 exit(1); })
22f7c9c9 1040# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1041 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 1042 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1043 }} STMT_END;
f2517201
GS		 1044#else /* MYMALLOC */
1045# define safemalloc safesysmalloc
1046# define safecalloc safesyscalloc
1047# define saferealloc safesysrealloc
1048# define safefree safesysfree
22f7c9c9
JH		 1049# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1050# define CHECK_MALLOC_TAINT(newval) ((void)0)
1051# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1052#endif /* MYMALLOC */
4633a7c4 1053
fe13d51d 1054/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 1055#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		 1056#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1057#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1058#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1059
a0d0e21e
LW		 1060#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1061#define strchr index
1062#define strrchr rindex
1063#endif
1064
16d20bd9
AD		 1065#ifdef I_MEMORY
1066# include <memory.h>
1067#endif
1068
fe14fcc3 1069#ifdef HAS_MEMCPY
85e6fe83 1070# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1071# ifndef memcpy
20ce7b12 1072 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 1073# endif
1074# endif
1075#else
1076# ifndef memcpy
1077# ifdef HAS_BCOPY
1078# define memcpy(d,s,l) bcopy(s,d,l)
1079# else
1080# define memcpy(d,s,l) my_bcopy(s,d,l)
1081# endif
1082# endif
1083#endif /* HAS_MEMCPY */
fe14fcc3 1084
ee0007ab 1085#ifdef HAS_MEMSET
85e6fe83 1086# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1087# ifndef memset
20ce7b12 1088 extern char *memset (char*, int, int);
ee0007ab
LW		 1089# endif
1090# endif
ee0007ab 1091#else
12ae5dfc 1092# undef memset
fc36a67e 1093# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1094#endif /* HAS_MEMSET */
1095
85e6fe83 1096#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1097# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1098# define memmove(d,s,l) bcopy(s,d,l)
1099# else
2304df62 1100# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1101# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1102# else
79072805 1103# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1104# endif
352d5a3a 1105# endif
d9d8d8de 1106#endif
ee0007ab 1107
36477c24 1108#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1109# undef HAS_MEMCMP
1110#endif
1111
1112#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1113# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1114# ifndef memcmp
20ce7b12 1115 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1116# endif
1117# endif
36477c24 1118# ifdef BUGGY_MSC
7e4e8c89 1119# pragma function(memcmp)
36477c24 1120# endif
ee0007ab
LW		 1121#else
1122# ifndef memcmp
ecfc5424 1123# define memcmp my_memcmp
352d5a3a 1124# endif
36477c24 1125#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1126
fc36a67e 1127#ifndef memzero
c635e13b 1128# ifdef HAS_MEMSET
1129# define memzero(d,l) memset(d,0,l)
79072805 1130# else
c635e13b 1131# ifdef HAS_BZERO
1132# define memzero(d,l) bzero(d,l)
79072805 1133# else
fc36a67e 1134# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1135# endif
1136# endif
d9d8d8de 1137#endif
378cc40b 1138
2f42fcb0 1139#ifndef PERL_MICRO
0f27ced1
JH		 1140#ifndef memchr
1141# ifndef HAS_MEMCHR
1142# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1143# endif
1144#endif
2f42fcb0 1145#endif
0f27ced1 1146
36477c24 1147#ifndef HAS_BCMP
1148# ifndef bcmp
1149# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1150# endif
36477c24 1151#endif /* !HAS_BCMP */
378cc40b 1152
ae986130 1153#ifdef I_NETINET_IN
79072805 1154# include <netinet/in.h>
ae986130
LW		 1155#endif
1156
28e8609d
JH		 1157#ifdef I_ARPA_INET
1158# include <arpa/inet.h>
1159#endif
1160
84902520
TB		 1161#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1162/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1163 * (the neo-BSD seem to do this). */
1164# undef SF_APPEND
1165#endif
1166
1aef975c 1167#ifdef I_SYS_STAT
84902520 1168# include <sys/stat.h>
1aef975c 1169#endif
79072805 1170
287a962e
JD		 1171/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1172 This definition should ideally go into win32/win32.h, but S_IFIFO is
1173 used later here in perl.h before win32/win32.h is being included. */
1174#if !defined(S_IFIFO) && defined(_S_IFIFO)
1175# define S_IFIFO _S_IFIFO
1176#endif
1177
a0d0e21e
LW		 1178/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1179 like UTekV) are broken, sometimes giving false positives. Undefine
1180 them here and let the code below set them to proper values.
1181
1182 The ghs macro stands for GreenHills Software C-1.8.5 which
1183 is the C compiler for sysV88 and the various derivatives.
1184 This header file bug is corrected in gcc-2.5.8 and later versions.
1185 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1186
1187#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1188# undef S_ISDIR
1189# undef S_ISCHR
1190# undef S_ISBLK
1191# undef S_ISREG
1192# undef S_ISFIFO
1193# undef S_ISLNK
ee0007ab 1194#endif
135863df 1195
663a0e37
LW		 1196#ifdef I_TIME
1197# include <time.h>
ffed7fef 1198#endif
663a0e37 1199
fe14fcc3 1200#ifdef I_SYS_TIME
85e6fe83 1201# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1202# define KERNEL
1203# endif
1204# include <sys/time.h>
85e6fe83 1205# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1206# undef KERNEL
1207# endif
a687059c 1208#endif
135863df 1209
55497cff 1210#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1211# include <sys/times.h>
d9d8d8de 1212#endif
8d063cd8 1213
fe14fcc3 1214#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1215# undef HAS_STRERROR
663a0e37
LW		 1216#endif
1217
1218#include <errno.h>
1e743fda 1219
acfe0abc 1220#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1221# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1222#endif
1223
8cfab5ff 1224/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1225 * This is important for using IPv6.
8cfab5ff
JH		 1226 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1227 * a bad idea since it breaks send() and recv(). */
1228#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1229# define _SOCKADDR_LEN
1230#endif
1231
da70cfc6 1232#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH		 1233# include <sys/socket.h>
1234# if defined(USE_SOCKS) && defined(I_SOCKS)
1235# if !defined(INCLUDE_PROTOTYPES)
1236# define INCLUDE_PROTOTYPES /* for <socks.h> */
1237# define PERL_SOCKS_NEED_PROTOTYPES
1238# endif
1239# include <socks.h>
1240# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1241# undef INCLUDE_PROTOTYPES
1242# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1243# endif
d460ef45 1244# endif
1e743fda 1245# ifdef I_NETDB
2986a63f
JH		 1246# ifdef NETWARE
1247# include<stdio.h>
1248# endif
1e743fda
JH		 1249# include <netdb.h>
1250# endif
1251# ifndef ENOTSOCK
1252# ifdef I_NET_ERRNO
1253# include <net/errno.h>
1254# endif
1255# endif
1256#endif
1257
fa0a29af 1258/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1259 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1260 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1261#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1262# if defined(__THROW) && defined(__GLIBC__)
1263int sockatmark(int) __THROW;
1264# else
2ef53570 1265int sockatmark(int);
29820b6d 1266# endif
2ef53570
JH		 1267#endif
1268
7e827271 1269#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		 1270EXTERN_C int fchdir(int);
1271EXTERN_C int flock(int, int);
1272EXTERN_C int fseeko(FILE *, off_t, int);
1273EXTERN_C off_t ftello(FILE *);
1274#endif
1275
7e827271 1276#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1277EXTERN_C char *crypt(const char *, const char *);
7e827271 1278EXTERN_C char **environ;
1ccb7c8d
JH		 1279#endif
1280
83a6ff2e 1281#if defined(__cplusplus)
944c4fda 1282# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1283EXTERN_C char **environ;
83a6ff2e 1284# elif defined(__CYGWIN__)
667e2948
SP		 1285EXTERN_C char *crypt(const char *, const char *);
1286#endif
83a6ff2e 1287#endif
667e2948 1288
1e743fda
JH		 1289#ifdef SETERRNO
1290# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1291#endif
f86702cc 1292
1293#ifdef VMS
1294# define SETERRNO(errcode,vmserrcode) \
1295 STMT_START { \
1296 set_errno(errcode); \
1297 set_vaxc_errno(vmserrcode); \
1298 } STMT_END
4ee39169
CS		 1299# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1300# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1301# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1302# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1303
93189314
JH		 1304# define LIB_INVARG LIB$_INVARG
1305# define RMS_DIR RMS$_DIR
1306# define RMS_FAC RMS$_FAC
1307# define RMS_FEX RMS$_FEX
1308# define RMS_FNF RMS$_FNF
1309# define RMS_IFI RMS$_IFI
1310# define RMS_ISI RMS$_ISI
1311# define RMS_PRV RMS$_PRV
1312# define SS_ACCVIO SS$_ACCVIO
1313# define SS_DEVOFFLINE SS$_DEVOFFLINE
1314# define SS_IVCHAN SS$_IVCHAN
1315# define SS_NORMAL SS$_NORMAL
748a9306 1316#else
aba27d88 1317# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS		 1318# define dSAVEDERRNO int saved_errno
1319# define dSAVE_ERRNO int saved_errno = errno
1320# define SAVE_ERRNO (saved_errno = errno)
1321# define RESTORE_ERRNO (errno = saved_errno)
1322
93189314
JH		 1323# define LIB_INVARG 0
1324# define RMS_DIR 0
1325# define RMS_FAC 0
1326# define RMS_FEX 0
1327# define RMS_FNF 0
1328# define RMS_IFI 0
1329# define RMS_ISI 0
1330# define RMS_PRV 0
1331# define SS_ACCVIO 0
1332# define SS_DEVOFFLINE 0
1333# define SS_IVCHAN 0
1334# define SS_NORMAL 0
748a9306 1335#endif
ed6116ce 1336
f5fa9033 1337#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC		 1338
1339#define CLEAR_ERRSV() STMT_START { \
1340 if (!GvSV(PL_errgv)) { \
1341 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1342 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1343 SvREFCNT_dec(GvSV(PL_errgv)); \
1344 GvSV(PL_errgv) = newSVpvs(""); \
1345 } else { \
1346 SV *const errsv = GvSV(PL_errgv); \
1347 sv_setpvs(errsv, ""); \
1348 if (SvMAGICAL(errsv)) { \
1349 mg_free(errsv); \
1350 } \
1351 SvPOK_only(errsv); \
1352 } \
1353 } STMT_END
1354
1355
414bf5ae
MHM		 1356#ifdef PERL_CORE
1357# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC		 1358# define DEFSV_set(sv) \
1359 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1360# define SAVE_DEFSV \
1361 ( \
1362 save_gp(PL_defgv, 0), \
1363 GvINTRO_off(PL_defgv), \
1364 SAVEGENERICSV(GvSV(PL_defgv)), \
1365 GvSV(PL_defgv) = NULL \
1366 )
414bf5ae
MHM		 1367#else
1368# define DEFSV GvSVn(PL_defgv)
55b5114f
FC		 1369# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1370# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1371#endif
38a03e6e 1372
98eae8f5
GS		 1373#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1374
55497cff 1375#ifndef errno
5ff3f7a4
GS		 1376 extern int errno; /* ANSI allows errno to be an lvalue expr.
1377 * For example in multithreaded environments
1378 * something like this might happen:
1379 * extern int *_errno(void);
1380 * #define errno (*_errno()) */
d9d8d8de 1381#endif
663a0e37 1382
2304df62 1383#ifdef HAS_STRERROR
a0d0e21e 1384# ifdef VMS
20ce7b12 1385 char *strerror (int,...);
a0d0e21e 1386# else
68dc0745 1387#ifndef DONT_DECLARE_STD
20ce7b12 1388 char *strerror (int);
68dc0745 1389#endif
a0d0e21e 1390# endif
2304df62
AD		 1391# ifndef Strerror
1392# define Strerror strerror
1393# endif
1394#else
1395# ifdef HAS_SYS_ERRLIST
79072805
LW		 1396 extern int sys_nerr;
1397 extern char *sys_errlist[];
2304df62
AD		 1398# ifndef Strerror
1399# define Strerror(e) \
79072805 1400 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1401# endif
79072805 1402# endif
35c8bce7 1403#endif
663a0e37 1404
2304df62 1405#ifdef I_SYS_IOCTL
79072805
LW		 1406# ifndef _IOCTL_
1407# include <sys/ioctl.h>
1408# endif
a687059c
LW		 1409#endif
1410
ee0007ab 1411#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1412# ifdef HAS_SOCKETPAIR
1413# undef HAS_SOCKETPAIR
1414# endif
2304df62
AD		 1415# ifdef I_NDBM
1416# undef I_NDBM
79072805 1417# endif
a687059c
LW		 1418#endif
1419
02fc2eee
NC		 1420#ifndef HAS_SOCKETPAIR
1421# ifdef HAS_SOCKET
1422# define socketpair Perl_my_socketpair
1423# endif
1424#endif
1425
a687059c 1426#if INTSIZE == 2
79072805
LW		 1427# define htoni htons
1428# define ntohi ntohs
a687059c 1429#else
79072805
LW		 1430# define htoni htonl
1431# define ntohi ntohl
a687059c
LW		 1432#endif
1433
a0d0e21e 1434/* Configure already sets Direntry_t */
35c8bce7 1435#if defined(I_DIRENT)
663a0e37 1436# include <dirent.h>
8f1f23e8
W		 1437 /* NeXT needs dirent + sys/dir.h */
1438# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1439# include <sys/dir.h>
1440# endif
ae986130 1441#else
fe14fcc3 1442# ifdef I_SYS_NDIR
79a0689e 1443# include <sys/ndir.h>
663a0e37 1444# else
fe14fcc3 1445# ifdef I_SYS_DIR
79a0689e
LW		 1446# ifdef hp9000s500
1447# include <ndir.h> /* may be wrong in the future */
1448# else
1449# include <sys/dir.h>
1450# endif
663a0e37
LW		 1451# endif
1452# endif
4633a7c4 1453#endif
a687059c 1454
12ae5dfc
JH		 1455#ifdef PERL_MICRO
1456# ifndef DIR
1457# define DIR void
1458# endif
1459#endif
1460
352d5a3a
LW		 1461#ifdef FPUTS_BOTCH
1462/* work around botch in SunOS 4.0.1 and 4.0.2 */
1463# ifndef fputs
79072805 1464# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1465# endif
1466#endif
1467
c623bd54
LW		 1468/*
1469 * The following gobbledygook brought to you on behalf of __STDC__.
1470 * (I could just use #ifndef __STDC__, but this is more bulletproof
1471 * in the face of half-implementations.)
1472 */
1473
7114a2d2 1474#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1475#include <sys/mode.h>
1476#endif
1477
c623bd54
LW		 1478#ifndef S_IFMT
1479# ifdef _S_IFMT
1480# define S_IFMT _S_IFMT
1481# else
1482# define S_IFMT 0170000
1483# endif
1484#endif
1485
1486#ifndef S_ISDIR
1487# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1488#endif
1489
1490#ifndef S_ISCHR
1491# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1492#endif
1493
1494#ifndef S_ISBLK
fe14fcc3
LW		 1495# ifdef S_IFBLK
1496# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1497# else
1498# define S_ISBLK(m) (0)
1499# endif
c623bd54
LW		 1500#endif
1501
1502#ifndef S_ISREG
1503# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1504#endif
1505
1506#ifndef S_ISFIFO
fe14fcc3
LW		 1507# ifdef S_IFIFO
1508# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1509# else
1510# define S_ISFIFO(m) (0)
1511# endif
c623bd54
LW		 1512#endif
1513
1514#ifndef S_ISLNK
1515# ifdef _S_ISLNK
1516# define S_ISLNK(m) _S_ISLNK(m)
1517# else
1518# ifdef _S_IFLNK
1519# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1520# else
1521# ifdef S_IFLNK
1522# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1523# else
1524# define S_ISLNK(m) (0)
1525# endif
1526# endif
1527# endif
1528#endif
1529
1530#ifndef S_ISSOCK
1531# ifdef _S_ISSOCK
1532# define S_ISSOCK(m) _S_ISSOCK(m)
1533# else
1534# ifdef _S_IFSOCK
1535# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1536# else
1537# ifdef S_IFSOCK
1538# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1539# else
1540# define S_ISSOCK(m) (0)
1541# endif
1542# endif
1543# endif
1544#endif
1545
1546#ifndef S_IRUSR
1547# ifdef S_IREAD
1548# define S_IRUSR S_IREAD
1549# define S_IWUSR S_IWRITE
1550# define S_IXUSR S_IEXEC
1551# else
1552# define S_IRUSR 0400
1553# define S_IWUSR 0200
1554# define S_IXUSR 0100
1555# endif
fac7cdfc
JS		 1556#endif
1557
1558#ifndef S_IRGRP
1559# ifdef S_IRUSR
1560# define S_IRGRP (S_IRUSR>>3)
1561# define S_IWGRP (S_IWUSR>>3)
1562# define S_IXGRP (S_IXUSR>>3)
1563# else
1564# define S_IRGRP 0040
1565# define S_IWGRP 0020
1566# define S_IXGRP 0010
1567# endif
1568#endif
1569
1570#ifndef S_IROTH
1571# ifdef S_IRUSR
1572# define S_IROTH (S_IRUSR>>6)
1573# define S_IWOTH (S_IWUSR>>6)
1574# define S_IXOTH (S_IXUSR>>6)
1575# else
1576# define S_IROTH 0040
1577# define S_IWOTH 0020
1578# define S_IXOTH 0010
1579# endif
c623bd54
LW		 1580#endif
1581
1582#ifndef S_ISUID
1583# define S_ISUID 04000
1584#endif
1585
1586#ifndef S_ISGID
1587# define S_ISGID 02000
1588#endif
1589
ca6e1c26
JH		 1590#ifndef S_IRWXU
1591# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1592#endif
ca6e1c26
JH		 1593
1594#ifndef S_IRWXG
1595# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1596#endif
ca6e1c26
JH		 1597
1598#ifndef S_IRWXO
1599# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1600#endif
ca6e1c26 1601
df00ff3b 1602/* BeOS 5.0 and Haiku R1 seem to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1603 * which would get included through <sys/file.h >, but that is 3000
1604 * lines in the future. --jhi */
1605
df00ff3b 1606#if !defined(S_IREAD) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1607# define S_IREAD S_IRUSR
1608#endif
1609
df00ff3b 1610#if !defined(S_IWRITE) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1611# define S_IWRITE S_IWUSR
1612#endif
1613
1614#ifndef S_IEXEC
1615# define S_IEXEC S_IXUSR
1616#endif
1617
79072805
LW		 1618#ifdef ff_next
1619# undef ff_next
352d5a3a
LW		 1620#endif
1621
a0d0e21e 1622#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1623# define SLOPPYDIVIDE
1624#endif
1625
748a9306
LW		 1626#ifdef UV
1627#undef UV
1628#endif
1629
c89df6bf
JH		 1630#ifdef SPRINTF_E_BUG
1631# define sprintf UTS_sprintf_wrap
1632#endif
1633
ce582cee
NC		 1634/* For the times when you want the return value of sprintf, and you want it
1635 to be the length. Can't have a thread variable passed in, because C89 has
1636 no varargs macros.
1637*/
1638#ifdef SPRINTF_RETURNS_STRLEN
1639# define my_sprintf sprintf
1640#else
1641# define my_sprintf Perl_my_sprintf
1642#endif
1643
5b692037
JH		 1644/*
1645 * If we have v?snprintf() and the C99 variadic macros, we can just
1646 * use just the v?snprintf(). It is nice to try to trap the buffer
1647 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1648 * gcc statement expressions, then use the function wrappers which try
1649 * to trap the overflow. If we can use the gcc statement expressions,
1650 * we can try that even with the version that uses the C99 variadic
1651 * macros.
5b692037
JH		 1652 */
1653
1208b3dd
JH		 1654/* Note that we do not check against snprintf()/vsnprintf() returning
1655 * negative values because that is non-standard behaviour and we use
1656 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1657 * that should be true only if the snprintf()/vsnprintf() are true
1658 * to the standard. */
1659
dfeee9b1 1660#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1661# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1662# 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 1663# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1664# else
1665# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1666# endif
1667#else
1668# define my_snprintf Perl_my_snprintf
1208b3dd 1669# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1670#endif
1671
dfeee9b1 1672#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1673# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1674# 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 1675# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1676# else
1677# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1678# endif
1679#else
1680# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1681# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1682#endif
d9fad198 1683
a6cc4119
SP		 1684#ifdef HAS_STRLCAT
1685# define my_strlcat strlcat
1686#else
1687# define my_strlcat Perl_my_strlcat
1688#endif
1689
1690#ifdef HAS_STRLCPY
1691# define my_strlcpy strlcpy
1692#else
1693# define my_strlcpy Perl_my_strlcpy
1694#endif
1695
c495e728
JH		 1696/* Configure gets this right but the UTS compiler gets it wrong.
1697 -- Hal Morris <hom00@utsglobal.com> */
1698#ifdef UTS
1699# undef UVTYPE
1700# define UVTYPE unsigned
1701#endif
1702
05f13f53 1703/*
27d4fb96 1704 The IV type is supposed to be long enough to hold any integral
1705 value or a pointer.
1706 --Andy Dougherty August 1996
1707*/
1708
a22e52b9
JH		 1709typedef IVTYPE IV;
1710typedef UVTYPE UV;
8175356b 1711
10cc9d2a 1712#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1713# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1714# define IV_MAX INT64_MAX
1715# define IV_MIN INT64_MIN
1716# define UV_MAX UINT64_MAX
cae7ae48
JH		 1717# ifndef UINT64_MIN
1718# define UINT64_MIN 0
1719# endif
5ff3f7a4
GS		 1720# define UV_MIN UINT64_MIN
1721# else
1722# define IV_MAX PERL_QUAD_MAX
1723# define IV_MIN PERL_QUAD_MIN
1724# define UV_MAX PERL_UQUAD_MAX
1725# define UV_MIN PERL_UQUAD_MIN
1726# endif
cf2093f6
JH		 1727# define IV_IS_QUAD
1728# define UV_IS_QUAD
79072805 1729#else
8175356b 1730# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1731# define IV_MAX INT32_MAX
1732# define IV_MIN INT32_MIN
716026f9
DL		 1733# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1734# define UV_MAX UINT32_MAX
1735# else
1736# define UV_MAX 4294967295U
1737# endif
cae7ae48
JH		 1738# ifndef UINT32_MIN
1739# define UINT32_MIN 0
1740# endif
5ff3f7a4
GS		 1741# define UV_MIN UINT32_MIN
1742# else
1743# define IV_MAX PERL_LONG_MAX
1744# define IV_MIN PERL_LONG_MIN
1745# define UV_MAX PERL_ULONG_MAX
1746# define UV_MIN PERL_ULONG_MIN
1747# endif
8175356b 1748# if IVSIZE == 8
cf2093f6
JH		 1749# define IV_IS_QUAD
1750# define UV_IS_QUAD
de1c2614
JH		 1751# ifndef HAS_QUAD
1752# define HAS_QUAD
1753# endif
cf2093f6
JH		 1754# else
1755# undef IV_IS_QUAD
1756# undef UV_IS_QUAD
de1c2614 1757# undef HAS_QUAD
cf2093f6 1758# endif
79072805 1759#endif
d7d93a81 1760
1109a392
MHM		 1761#ifndef HAS_QUAD
1762# undef PERL_NEED_MY_HTOLE64
1763# undef PERL_NEED_MY_LETOH64
1764# undef PERL_NEED_MY_HTOBE64
1765# undef PERL_NEED_MY_BETOH64
1766#endif
1767
6cde8aec 1768#if defined(uts) || defined(UTS)
11afe549
HM		 1769# undef UV_MAX
1770# define UV_MAX (4294967295u)
20601011
JH		 1771#endif
1772
cae7ae48 1773#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1774#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1775
28e5dec8 1776#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1777#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1778#endif
1779
d460ef45 1780/*
26bb67e2
JH		 1781 * The macros INT2PTR and NUM2PTR are (despite their names)
1782 * bi-directional: they will convert int/float to or from pointers.
1783 * However the conversion to int/float are named explicitly:
1784 * PTR2IV, PTR2UV, PTR2NV.
1785 *
1786 * For int conversions we do not need two casts if pointers are
1787 * the same size as IV and UV. Otherwise we need an explicit
1788 * cast (PTRV) to avoid compiler warnings.
1789 */
56431972
RB		 1790#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1791# define PTRV UV
1792# define INT2PTR(any,d) (any)(d)
1793#else
d460ef45 1794# if PTRSIZE == LONGSIZE
56431972 1795# define PTRV unsigned long
e91e3b10 1796# define PTR2ul(p) (unsigned long)(p)
42718184 1797# else
56431972 1798# define PTRV unsigned
42718184 1799# endif
e91e3b10
RB		 1800#endif
1801
1802#ifndef INT2PTR
56431972 1803# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1804#endif
e91e3b10
RB		 1805
1806#ifndef PTR2ul
1807# define PTR2ul(p) INT2PTR(unsigned long,p)
1808#endif
1809
56431972
RB		 1810#define NUM2PTR(any,d) (any)(PTRV)(d)
1811#define PTR2IV(p) INT2PTR(IV,p)
1812#define PTR2UV(p) INT2PTR(UV,p)
1813#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1814#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1815
8141890a
JH		 1816/* According to strict ANSI C89 one cannot freely cast between
1817 * data pointers and function (code) pointers. There are at least
1818 * two ways around this. One (used below) is to do two casts,
1819 * first the other pointer to an (unsigned) integer, and then
1820 * the integer to the other pointer. The other way would be
1821 * to use unions to "overlay" the pointers. For an example of
1822 * the latter technique, see union dirpu in struct xpvio in sv.h.
1823 * The only feasible use is probably temporarily storing
1824 * function pointers in a data pointer (such as a void pointer). */
1825
e91e3b10
RB		 1826#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1827#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1828
65202027 1829#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1830# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1831# define LONG_DOUBLE_EQUALS_DOUBLE
1832# endif
68d4903c 1833# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1834# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1835# endif
1836#endif
1837
2d4389e4
JH		 1838#ifdef OVR_DBL_DIG
1839/* Use an overridden DBL_DIG */
1840# ifdef DBL_DIG
1841# undef DBL_DIG
1842# endif
1843# define DBL_DIG OVR_DBL_DIG
1844#else
1845/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1846 default value for printing floating point numbers in Gconvert
1847 (see config.h). (It also has other uses, such as figuring out if
1848 a given precision of printing can be done with a double instead of
1849 a long double - Allen).
2d4389e4
JH		 1850*/
1851#ifdef I_LIMITS
1852#include <limits.h>
1853#endif
1854#ifdef I_FLOAT
1855#include <float.h>
1856#endif
1857#ifndef HAS_DBL_DIG
1858#define DBL_DIG 15 /* A guess that works lots of places */
1859#endif
1860#endif
1861
1862#ifdef OVR_LDBL_DIG
1863/* Use an overridden LDBL_DIG */
1864# ifdef LDBL_DIG
1865# undef LDBL_DIG
1866# endif
1867# define LDBL_DIG OVR_LDBL_DIG
1868#else
1869/* The following is all to get LDBL_DIG, in order to pick a nice
1870 default value for printing floating point numbers in Gconvert.
1871 (see config.h)
1872*/
68d4903c
JH		 1873# ifdef I_LIMITS
1874# include <limits.h>
1875# endif
1876# ifdef I_FLOAT
1877# include <float.h>
1878# endif
1879# ifndef HAS_LDBL_DIG
1880# if LONG_DOUBLESIZE == 10
1881# define LDBL_DIG 18 /* assume IEEE */
1882# else
1883# if LONG_DOUBLESIZE == 12
1884# define LDBL_DIG 18 /* gcc? */
1885# else
1886# if LONG_DOUBLESIZE == 16
1887# define LDBL_DIG 33 /* assume IEEE */
1888# else
1889# if LONG_DOUBLESIZE == DOUBLESIZE
1890# define LDBL_DIG DBL_DIG /* bummer */
1891# endif
1892# endif
1893# endif
1894# endif
1895# endif
2d4389e4
JH		 1896#endif
1897
20f6aaab
AS		 1898/*
1899 * This is for making sure we have a good DBL_MAX value, if possible,
1900 * either for usage as NV_MAX or for usage in figuring out if we can
1901 * fit a given long double into a double, if bug-fixing makes it
1902 * necessary to do so. - Allen <allens@cpan.org>
1903 */
1904
205f51d8
AS		 1905#ifdef I_LIMITS
1906# include <limits.h>
20f6aaab
AS		 1907#endif
1908
205f51d8
AS		 1909#ifdef I_VALUES
1910# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1911# include <values.h>
1912# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1913# define DBL_MAX MAXDOUBLE
1914# endif
1915# if defined(MINDOUBLE) && !defined(DBL_MIN)
1916# define DBL_MIN MINDOUBLE
1917# endif
1918# endif
1919#endif /* defined(I_VALUES) */
1920
a22e52b9 1921typedef NVTYPE NV;
8175356b 1922
792d8dab
JH		 1923#ifdef I_IEEEFP
1924# include <ieeefp.h>
1925#endif
923fc586 1926
65202027 1927#ifdef USE_LONG_DOUBLE
923fc586
JH		 1928# ifdef I_SUNMATH
1929# include <sunmath.h>
1930# endif
2d4389e4 1931# define NV_DIG LDBL_DIG
d6c14000
JH		 1932# ifdef LDBL_MANT_DIG
1933# define NV_MANT_DIG LDBL_MANT_DIG
1934# endif
06fc1729
JH		 1935# ifdef LDBL_MIN
1936# define NV_MIN LDBL_MIN
1937# endif
1938# ifdef LDBL_MAX
1939# define NV_MAX LDBL_MAX
1940# endif
1941# ifdef LDBL_MIN_10_EXP
1942# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1943# endif
1944# ifdef LDBL_MAX_10_EXP
1945# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1946# endif
1947# ifdef LDBL_EPSILON
1948# define NV_EPSILON LDBL_EPSILON
1949# endif
f4a14a62
JH		 1950# ifdef LDBL_MAX
1951# define NV_MAX LDBL_MAX
20f6aaab 1952/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1953# else
1954# ifdef HUGE_VALL
1955# define NV_MAX HUGE_VALL
1956# else
1957# ifdef HUGE_VAL
1958# define NV_MAX ((NV)HUGE_VAL)
1959# endif
1960# endif
1961# endif
68d4903c 1962# ifdef HAS_SQRTL
68d4903c
JH		 1963# define Perl_cos cosl
1964# define Perl_sin sinl
1965# define Perl_sqrt sqrtl
1966# define Perl_exp expl
1967# define Perl_log logl
1968# define Perl_atan2 atan2l
1969# define Perl_pow powl
1970# define Perl_floor floorl
1bbae031 1971# define Perl_ceil ceill
68d4903c
JH		 1972# define Perl_fmod fmodl
1973# endif
a3540c92
JH		 1974/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1975# ifdef HAS_MODFL
1976# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1977/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1978 prototype in <math.h> */
1979# ifndef HAS_MODFL_PROTO
a221a8a5 1980EXTERN_C long double modfl(long double, long double *);
51997bc3 1981# endif
03476e8e
JH		 1982# else
1983# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1984 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1985# define Perl_modf(x,y) Perl_my_modfl(x,y)
1986# endif
a3540c92
JH		 1987# endif
1988# ifdef HAS_FREXPL
dff3e0b8 1989# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1990# else
1991# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1992 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1993# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1994# endif
a3540c92 1995# endif
38dbb4c5 1996# ifndef Perl_isnan
758a5d79
JH		 1997# ifdef HAS_ISNANL
1998# define Perl_isnan(x) isnanl(x)
1999# endif
2000# endif
2001# ifndef Perl_isinf
2002# ifdef HAS_FINITEL
2003# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 2004# endif
2005# endif
65202027 2006#else
2d4389e4 2007# define NV_DIG DBL_DIG
d6c14000
JH		 2008# ifdef DBL_MANT_DIG
2009# define NV_MANT_DIG DBL_MANT_DIG
2010# endif
06fc1729
JH		 2011# ifdef DBL_MIN
2012# define NV_MIN DBL_MIN
2013# endif
2014# ifdef DBL_MAX
2015# define NV_MAX DBL_MAX
2016# endif
2017# ifdef DBL_MIN_10_EXP
2018# define NV_MIN_10_EXP DBL_MIN_10_EXP
2019# endif
2020# ifdef DBL_MAX_10_EXP
2021# define NV_MAX_10_EXP DBL_MAX_10_EXP
2022# endif
2023# ifdef DBL_EPSILON
2024# define NV_EPSILON DBL_EPSILON
2025# endif
205f51d8 2026# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 2027# define NV_MAX DBL_MAX
2028# define NV_MIN DBL_MIN
2029# else
2030# ifdef HUGE_VAL
2031# define NV_MAX HUGE_VAL
2032# endif
2033# endif
65202027
DS		 2034# define Perl_cos cos
2035# define Perl_sin sin
2036# define Perl_sqrt sqrt
2037# define Perl_exp exp
2038# define Perl_log log
2039# define Perl_atan2 atan2
2040# define Perl_pow pow
2041# define Perl_floor floor
1bbae031 2042# define Perl_ceil ceil
65202027 2043# define Perl_fmod fmod
a3540c92 2044# define Perl_modf(x,y) modf(x,y)
dff3e0b8 2045# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 2046#endif
2047
2048/* rumor has it that Win32 has _fpclass() */
2049
205f51d8
AS		 2050/* SGI has fpclassl... but not with the same result values,
2051 * and it's via a typedef (not via #define), so will need to redo Configure
2052 * to use. Not worth the trouble, IMO, at least until the below is used
2053 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
2054 * with me for the SGI manpages, SGI testing, etcetera, if you want to
2055 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
2056
758a5d79
JH		 2057#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2058# ifdef I_IEEFP
2059# include <ieeefp.h>
2060# endif
2061# ifdef I_FP
2062# include <fp.h>
2063# endif
2064# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2065# define Perl_fp_class() fpclassl(x)
2066# else
2067# define Perl_fp_class() fpclass(x)
2068# endif
2069# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2070# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2071# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2072# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2073# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2074# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2075# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2076# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2077# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2078# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2079# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2080# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2081# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2082# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2083# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2084#endif
2085
7114a2d2 2086#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2087# include <math.h>
2088# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2089# include <fp_class.h>
2090# endif
2091# define Perl_fp_class(x) fp_class(x)
2092# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2093# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2094# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2095# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2096# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2097# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2098# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2099# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2100# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2101# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2102# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2103# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2104# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2105# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2106# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2107#endif
2108
2109#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2110# include <math.h>
2111# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2112# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2113# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2114# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2115# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2116# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2117#endif
2118
2119#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2120# include <math.h>
2121# ifndef _cplusplus
2122# define Perl_fp_class(x) class(x)
2123# else
2124# define Perl_fp_class(x) _class(x)
2125# endif
2126# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2127# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2128# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2129# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2130# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2131# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2132# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2133# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2134# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2135# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2136# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2137# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2138# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2139# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2140# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2141#endif
2142
2143/* rumor has it that Win32 has _isnan() */
2144
2145#ifndef Perl_isnan
a3540c92 2146# ifdef HAS_ISNAN
758a5d79
JH		 2147# define Perl_isnan(x) isnan((NV)x)
2148# else
2149# ifdef Perl_fp_class_nan
2150# define Perl_isnan(x) Perl_fp_class_nan(x)
2151# else
2152# ifdef HAS_UNORDERED
2153# define Perl_isnan(x) unordered((x), 0.0)
2154# else
2155# define Perl_isnan(x) ((x)!=(x))
2156# endif
2157# endif
2158# endif
2159#endif
2160
ca6c63e1
JH		 2161#ifdef UNDER_CE
2162int isnan(double d);
2163#endif
2164
758a5d79
JH		 2165#ifndef Perl_isinf
2166# ifdef HAS_ISINF
2167# define Perl_isinf(x) isinf((NV)x)
a3540c92 2168# else
758a5d79
JH		 2169# ifdef Perl_fp_class_inf
2170# define Perl_isinf(x) Perl_fp_class_inf(x)
2171# else
2172# define Perl_isinf(x) ((x)==NV_INF)
2173# endif
2174# endif
2175#endif
2176
2177#ifndef Perl_isfinite
2178# ifdef HAS_FINITE
2179# define Perl_isfinite(x) finite((NV)x)
2180# else
2181# ifdef HAS_ISFINITE
2182# define Perl_isfinite(x) isfinite(x)
2183# else
2184# ifdef Perl_fp_class_finite
2185# define Perl_isfinite(x) Perl_fp_class_finite(x)
2186# else
2187# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2188# endif
2189# endif
a3540c92 2190# endif
65202027
DS		 2191#endif
2192
a36244b7
JH		 2193/* The default is to use Perl's own atof() implementation (in numeric.c).
2194 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2195 * it is however best to use the native implementation of atof.
2196 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2197 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2198 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2199 * you may need to be using a different function than atof! */
a36244b7
JH		 2200
2201#ifndef USE_PERL_ATOF
2202# ifndef _UNICOS
2203# define USE_PERL_ATOF
2204# endif
2205#else
2206# if USE_PERL_ATOF == 0
2207# undef USE_PERL_ATOF
2208# endif
2209#endif
2210
2211#ifdef USE_PERL_ATOF
2212# define Perl_atof(s) Perl_my_atof(s)
2213# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2214#else
2215# define Perl_atof(s) (NV)atof(s)
2216# define Perl_atof2(s, n) ((n) = atof(s))
2217#endif
cf2093f6 2218
d460ef45 2219/* Previously these definitions used hardcoded figures.
760ac839
LW		 2220 * It is hoped these formula are more portable, although
2221 * no data one way or another is presently known to me.
2222 * The "PERL_" names are used because these calculated constants
2223 * do not meet the ANSI requirements for LONG_MAX, etc., which
2224 * need to be constants acceptable to #if - kja
2225 * define PERL_LONG_MAX 2147483647L
2226 * define PERL_LONG_MIN (-LONG_MAX - 1)
2227 * define PERL ULONG_MAX 4294967295L
2228 */
2229
2230#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2231# include <limits.h>
760ac839 2232#endif
205f51d8 2233/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2234 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2235
99abf803 2236/*
2237 * Try to figure out max and min values for the integral types. THE CORRECT
2238 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2239 * following hacks are used if neither limits.h or values.h provide them:
2240 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2241 * for types < int: (unsigned TYPE)~(unsigned)0
2242 * The argument to ~ must be unsigned so that later signed->unsigned
2243 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2244 * and it must not be smaller than int because ~ does integral promotion.
2245 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2246 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2247 * The latter is a hack which happens to work on some machines but
2248 * does *not* catch any random system, or things like integer types
2249 * with NaN if that is possible.
2250 *
2251 * All of the types are explicitly cast to prevent accidental loss of
2252 * numeric range, and in the hope that they will be less likely to confuse
2253 * over-eager optimizers.
2254 *
2255 */
27d4fb96 2256
99abf803 2257#define PERL_UCHAR_MIN ((unsigned char)0)
2258
2259#ifdef UCHAR_MAX
2260# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2261#else
99abf803 2262# ifdef MAXUCHAR
2263# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2264# else
99abf803 2265# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2266# endif
2267#endif
d460ef45 2268
99abf803 2269/*
2270 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2271 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2272 * depending on local options. Until Configure detects this (or at least
2273 * detects whether the "signed" keyword is available) the CHAR ranges
2274 * will not be included. UCHAR functions normally.
2275 * - kja
2276 */
27d4fb96 2277
99abf803 2278#define PERL_USHORT_MIN ((unsigned short)0)
2279
2280#ifdef USHORT_MAX
2281# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2282#else
99abf803 2283# ifdef MAXUSHORT
2284# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2285# else
ef2f54b0
CB		 2286# ifdef USHRT_MAX
2287# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2288# else
2289# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2290# endif
27d4fb96 2291# endif
2292#endif
2293
27d4fb96 2294#ifdef SHORT_MAX
99abf803 2295# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2296#else
2297# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2298# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2299# else
ef2f54b0
CB		 2300# ifdef SHRT_MAX
2301# define PERL_SHORT_MAX ((short)SHRT_MAX)
2302# else
2303# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2304# endif
27d4fb96 2305# endif
2306#endif
2307
2308#ifdef SHORT_MIN
99abf803 2309# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2310#else
2311# ifdef MINSHORT
99abf803 2312# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2313# else
ef2f54b0
CB		 2314# ifdef SHRT_MIN
2315# define PERL_SHORT_MIN ((short)SHRT_MIN)
2316# else
2317# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2318# endif
27d4fb96 2319# endif
2320#endif
2321
99abf803 2322#ifdef UINT_MAX
2323# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2324#else
99abf803 2325# ifdef MAXUINT
2326# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2327# else
99abf803 2328# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2329# endif
2330#endif
2331
99abf803 2332#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2333
2334#ifdef INT_MAX
99abf803 2335# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2336#else
2337# ifdef MAXINT /* Often used in <values.h> */
99abf803 2338# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2339# else
99abf803 2340# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2341# endif
2342#endif
2343
2344#ifdef INT_MIN
99abf803 2345# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2346#else
2347# ifdef MININT
99abf803 2348# define PERL_INT_MIN ((int)MININT)
27d4fb96 2349# else
2350# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2351# endif
2352#endif
2353
99abf803 2354#ifdef ULONG_MAX
2355# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2356#else
99abf803 2357# ifdef MAXULONG
2358# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2359# else
99abf803 2360# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2361# endif
2362#endif
2363
99abf803 2364#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2365
760ac839 2366#ifdef LONG_MAX
99abf803 2367# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2368#else
2369# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2370# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2371# else
99abf803 2372# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2373# endif
2374#endif
2375
2376#ifdef LONG_MIN
99abf803 2377# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2378#else
2379# ifdef MINLONG
99abf803 2380# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2381# else
27d4fb96 2382# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2383# endif
2384#endif
2385
d7d93a81 2386#ifdef UV_IS_QUAD
99abf803 2387
99abf803 2388# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2389# define PERL_UQUAD_MIN ((UV)0)
99abf803 2390# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2391# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2392
79072805
LW		 2393#endif
2394
830247a4 2395struct RExC_state_t;
8e11feef 2396struct _reg_trie_data;
880b20b6 2397
ee0007ab 2398typedef MEM_SIZE STRLEN;
450a55e4 2399
598921a7
NC		 2400#ifdef PERL_MAD
2401typedef struct token TOKEN;
2402typedef struct madprop MADPROP;
2403typedef struct nexttoken NEXTTOKE;
2404#endif
79072805
LW		 2405typedef struct op OP;
2406typedef struct cop COP;
2407typedef struct unop UNOP;
2408typedef struct binop BINOP;
2409typedef struct listop LISTOP;
2410typedef struct logop LOGOP;
79072805
LW		 2411typedef struct pmop PMOP;
2412typedef struct svop SVOP;
7934575e 2413typedef struct padop PADOP;
79072805 2414typedef struct pvop PVOP;
79072805
LW		 2415typedef struct loop LOOP;
2416
52db365a 2417typedef struct block_hooks BHK;
1830b3d9 2418typedef struct custom_op XOP;
52db365a 2419
cd1541b2
NC		 2420typedef struct interpreter PerlInterpreter;
2421
d2b3f365
SS		 2422/* Amdahl's <ksync.h> has struct sv */
2423/* SGI's <sys/sema.h> has struct sv */
2424#if defined(UTS) || defined(__sgi)
2425# define STRUCT_SV perl_sv
b8d3c5db
JH		 2426#else
2427# define STRUCT_SV sv
2428#endif
2429typedef struct STRUCT_SV SV;
79072805
LW		 2430typedef struct av AV;
2431typedef struct hv HV;
2432typedef struct cv CV;
d2f13c59 2433typedef struct p5rx REGEXP;
79072805 2434typedef struct gp GP;
0c30d9ec 2435typedef struct gv GV;
8990e307 2436typedef struct io IO;
c09156bb 2437typedef struct context PERL_CONTEXT;
79072805
LW		 2438typedef struct block BLOCK;
2439
2440typedef struct magic MAGIC;
2441typedef struct xpv XPV;
2442typedef struct xpviv XPVIV;
ff68c719 2443typedef struct xpvuv XPVUV;
79072805
LW		 2444typedef struct xpvnv XPVNV;
2445typedef struct xpvmg XPVMG;
2446typedef struct xpvlv XPVLV;
2447typedef struct xpvav XPVAV;
2448typedef struct xpvhv XPVHV;
2449typedef struct xpvgv XPVGV;
2450typedef struct xpvcv XPVCV;
2451typedef struct xpvbm XPVBM;
2452typedef struct xpvfm XPVFM;
8990e307 2453typedef struct xpvio XPVIO;
79072805
LW		 2454typedef struct mgvtbl MGVTBL;
2455typedef union any ANY;
5f7fde29
GS		 2456typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2457typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2458typedef struct clone_params CLONE_PARAMS;
2459
378cc40b 2460#include "handy.h"
a0d0e21e 2461
6b8eaf93 2462#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2463# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2464# define USE_64_BIT_RAWIO /* implicit */
2465# endif
4564133c
JH		 2466#endif
2467
6b8eaf93
JH		 2468/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2469 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2470 * however, because operating systems like to do that themself. */
2471#ifndef FSEEKSIZE
2472# ifdef HAS_FSEEKO
2473# define FSEEKSIZE LSEEKSIZE
2474# else
2475# define FSEEKSIZE LONGSIZE
d460ef45 2476# endif
6b8eaf93
JH		 2477#endif
2478
2479#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2480# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2481# define USE_64_BIT_STDIO /* implicit */
2482# endif
2483#endif
4564133c 2484
09458382 2485#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2486# ifdef HAS_OFF64_T
2487# undef Off_t
2488# define Off_t off64_t
2489# undef LSEEKSIZE
2490# define LSEEKSIZE 8
5ff3f7a4 2491# endif
d9b3e12d
JH		 2492/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2493 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2494 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2495# if defined(USE_OPEN64)
2496# define open open64
5ff3f7a4 2497# endif
d9b3e12d
JH		 2498# if defined(USE_LSEEK64)
2499# define lseek lseek64
6b8eaf93
JH		 2500# else
2501# if defined(USE_LLSEEK)
2502# define lseek llseek
2503# endif
d9b3e12d
JH		 2504# endif
2505# if defined(USE_STAT64)
2506# define stat stat64
2507# endif
2508# if defined(USE_FSTAT64)
2509# define fstat fstat64
2510# endif
2511# if defined(USE_LSTAT64)
2512# define lstat lstat64
2513# endif
2514# if defined(USE_FLOCK64)
2515# define flock flock64
2516# endif
2517# if defined(USE_LOCKF64)
2518# define lockf lockf64
2519# endif
2520# if defined(USE_FCNTL64)
2521# define fcntl fcntl64
2522# endif
2523# if defined(USE_TRUNCATE64)
2524# define truncate truncate64
2525# endif
2526# if defined(USE_FTRUNCATE64)
2527# define ftruncate ftruncate64
2528# endif
2529#endif
2530
2531#ifdef USE_64_BIT_STDIO
2532# ifdef HAS_FPOS64_T
2533# undef Fpos_t
2534# define Fpos_t fpos64_t
2535# endif
2536/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2537 * will trigger defines like the ones below. Some 64-bit environments,
2538 * however, do not. */
2539# if defined(USE_FOPEN64)
2540# define fopen fopen64
2541# endif
2542# if defined(USE_FSEEK64)
6b8eaf93 2543# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2544# endif
2545# if defined(USE_FTELL64)
6b8eaf93 2546# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2547# endif
2548# if defined(USE_FSETPOS64)
2549# define fsetpos fsetpos64
2550# endif
2551# if defined(USE_FGETPOS64)
2552# define fgetpos fgetpos64
2553# endif
2554# if defined(USE_TMPFILE64)
2555# define tmpfile tmpfile64
2556# endif
2557# if defined(USE_FREOPEN64)
2558# define freopen freopen64
5ff3f7a4
GS		 2559# endif
2560#endif
2561
e37778c2 2562#if defined(OS2)
2c2d71f5
JH		 2563# include "iperlsys.h"
2564#endif
2565
6f71a643 2566#if defined(__OPEN_VM)
19848b3f
JH		 2567# include "vmesa/vmesaish.h"
2568# define ISHISH "vmesa"
6f71a643
JH		 2569#endif
2570
748a9306 2571#ifdef DOSISH
19848b3f
JH		 2572# if defined(OS2)
2573# include "os2ish.h"
2574# else
2575# include "dosish.h"
2576# endif
2577# define ISHISH "dos"
2578#endif
2579
2580#if defined(VMS)
748a9306 2581# include "vmsish.h"
19848b3f
JH		 2582# define ISHISH "vms"
2583#endif
2584
2585#if defined(PLAN9)
2586# include "./plan9/plan9ish.h"
2587# define ISHISH "plan9"
2588#endif
2589
2590#if defined(MPE)
2591# include "mpeix/mpeixish.h"
2592# define ISHISH "mpeix"
2593#endif
2594
2595#if defined(__VOS__)
196918b0
PG		 2596# ifdef __GNUC__
2597# include "./vos/vosish.h"
2598# else
2599# include "vos/vosish.h"
2600# endif
19848b3f
JH		 2601# define ISHISH "vos"
2602#endif
2603
2604#if defined(EPOC)
2605# include "epocish.h"
2606# define ISHISH "epoc"
2607#endif
2608
9969cdde 2609#ifdef __SYMBIAN32__
27da23d5 2610# include "symbian/symbianish.h"
27da23d5
JH		 2611# define ISHISH "symbian"
2612#endif
2613
19848b3f 2614
df00ff3b
IW		 2615#if defined(__HAIKU__)
2616# include "haiku/haikuish.h"
2617# define ISHISH "haiku"
2618#elif defined(__BEOS__)
efca5cc6
JH		 2619# include "beos/beosish.h"
2620# define ISHISH "beos"
2621#endif
2622
19848b3f
JH		 2623#ifndef ISHISH
2624# include "unixish.h"
2625# define ISHISH "unix"
13b6e58c
JH		 2626#endif
2627
2946a158
JH		 2628/* NSIG logic from Configure --> */
2629/* Strange style to avoid deeply-nested #if/#else/#endif */
2630#ifndef NSIG
2631# ifdef _NSIG
2632# define NSIG (_NSIG)
2633# endif
2634#endif
2635
2636#ifndef NSIG
2637# ifdef SIGMAX
2638# define NSIG (SIGMAX+1)
2639# endif
2640#endif
2641
2642#ifndef NSIG
2643# ifdef SIG_MAX
2644# define NSIG (SIG_MAX+1)
2645# endif
2646#endif
2647
2648#ifndef NSIG
2649# ifdef _SIG_MAX
2650# define NSIG (_SIG_MAX+1)
2651# endif
2652#endif
2653
2654#ifndef NSIG
2655# ifdef MAXSIG
2656# define NSIG (MAXSIG+1)
2657# endif
2658#endif
2659
2660#ifndef NSIG
2661# ifdef MAX_SIG
2662# define NSIG (MAX_SIG+1)
2663# endif
2664#endif
2665
2666#ifndef NSIG
2667# ifdef SIGARRAYSIZE
2668# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2669# endif
2670#endif
2671
2672#ifndef NSIG
2673# ifdef _sys_nsig
2674# define NSIG (_sys_nsig) /* Solaris 2.5 */
2675# endif
2676#endif
2677
2678/* Default to some arbitrary number that's big enough to get most
2679 of the common signals.
2680*/
2681#ifndef NSIG
2682# define NSIG 50
2683#endif
2684/* <-- NSIG logic from Configure */
2685
13b6e58c
JH		 2686#ifndef NO_ENVIRON_ARRAY
2687# define USE_ENVIRON_ARRAY
2688#endif
32f822de 2689
c77b533b
JH		 2690/*
2691 * initialise to avoid floating-point exceptions from overflow, etc
2692 */
2693#ifndef PERL_FPU_INIT
2694# ifdef HAS_FPSETMASK
2695# if HAS_FLOATINGPOINT_H
2696# include <floatingpoint.h>
2697# endif
ad3a8c67
NC		 2698/* Some operating systems have this as a macro, which in turn expands to a comma
2699 expression, and the last sub-expression is something that gets calculated,
2700 and then they have the gall to warn that a value computed is not used. Hence
2701 cast to void. */
2702# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2703# else
2f42fcb0 2704# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2705# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2706# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2707# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2708# else
2709# define PERL_FPU_INIT
2f42fcb0 2710
7014c407 2711# endif
c77b533b
JH		 2712# endif
2713#endif
b35112e7
CS		 2714#ifndef PERL_FPU_PRE_EXEC
2715# define PERL_FPU_PRE_EXEC {
2716# define PERL_FPU_POST_EXEC }
2717#endif
c77b533b 2718
cbec8ebe
DM		 2719#ifndef PERL_SYS_INIT3_BODY
2720# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2721#endif
2722
eb533572
DM		 2723/*
2724=for apidoc Am|void|PERL_SYS_INIT|int argc|char** argv
2725Provides system-specific tune up of the C runtime environment necessary to
2726run Perl interpreters. This should be called only once, before creating
2727any Perl interpreters.
2728
2729=for apidoc Am|void|PERL_SYS_INIT3|int argc|char** argv|char** env
2730Provides system-specific tune up of the C runtime environment necessary to
2731run Perl interpreters. This should be called only once, before creating
2732any Perl interpreters.
2733
2734=for apidoc Am|void|PERL_SYS_TERM|
2735Provides system-specific clean up of the C runtime environment after
2736running Perl interpreters. This should be called only once, after
2737freeing any remaining Perl interpreters.
2738
2739=cut
2740 */
2741
cbec8ebe
DM		 2742#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2743#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2744#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2745
be708cc0
JH		 2746#ifndef PERL_WRITE_MSG_TO_CONSOLE
2747# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2748#endif
2749
0f31cffe
GS		 2750#ifndef MAXPATHLEN
2751# ifdef PATH_MAX
b990c8b2
JH		 2752# ifdef _POSIX_PATH_MAX
2753# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2754/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2755 * included the null byte or not. Later amendments of POSIX,
2756 * XPG4, the Austin Group, and the Single UNIX Specification
2757 * all explicitly include the null byte in the PATH_MAX.
2758 * Ditto for _POSIX_PATH_MAX. */
2759# define MAXPATHLEN PATH_MAX
b990c8b2 2760# else
09448d78 2761# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2762# endif
2763# else
2764# define MAXPATHLEN (PATH_MAX+1)
2765# endif
0f31cffe 2766# else
b990c8b2 2767# ifdef _POSIX_PATH_MAX
09448d78 2768# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2769# else
2770# define MAXPATHLEN 1024 /* Err on the large side. */
2771# endif
0f31cffe
GS		 2772# endif
2773#endif
2774
c80263a8
SH		 2775/* In case Configure was not used (we are using a "canned config"
2776 * such as Win32, or a cross-compilation setup, for example) try going
2777 * by the gcc major and minor versions. One useful URL is
2778 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2779 * but contrary to this information warn_unused_result seems
2780 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2781 * Also, when building extensions with an installed perl, this allows
2782 * the user to upgrade gcc and get the right attributes, rather than
2783 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2784 * Set these up now otherwise we get confused when some of the <*thread.h>
2785 * includes below indirectly pull in <perlio.h> (which needs to know if we
2786 * have HASATTRIBUTE_FORMAT).
2787 */
2788
4d7c7898 2789#ifndef PERL_MICRO
fc2007d4 2790#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2791# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2792# define HASATTRIBUTE_DEPRECATED
2793# endif
c80263a8
SH		 2794# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2795# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2796# if defined __MINGW32__
2797# define PRINTF_FORMAT_NULL_OK
2798# endif
c80263a8
SH		 2799# endif
2800# if __GNUC__ >= 3 /* 3.0 -> */
2801# define HASATTRIBUTE_MALLOC
2802# endif
2803# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2804# define HASATTRIBUTE_NONNULL
2805# endif
2806# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2807# define HASATTRIBUTE_NORETURN
2808# endif
2809# if __GNUC__ >= 3 /* gcc 3.0 -> */
2810# define HASATTRIBUTE_PURE
2811# endif
42bf5550 2812# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2813# define HASATTRIBUTE_UNUSED
2814# endif
d324fe49
AD		 2815# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2816# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2817# endif
c80263a8
SH		 2818# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2819# define HASATTRIBUTE_WARN_UNUSED_RESULT
2820# endif
2821#endif
00f254e2 2822#endif /* #ifndef PERL_MICRO */
c80263a8 2823
3db8f154 2824/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2825 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2826 * this results in many functions being undeclared which bothers C++
2827 * May make sense to have threads after "*ish.h" anyway
2828 */
2829
3db8f154 2830#if defined(USE_ITHREADS)
2986a63f
JH		 2831# ifdef NETWARE
2832# include <nw5thread.h>
2833# else
32f822de
GS		 2834# ifdef FAKE_THREADS
2835# include "fakethr.h"
2836# else
2837# ifdef WIN32
2838# include <win32thread.h>
2839# else
dd96f567
IZ		 2840# ifdef OS2
2841# include "os2thread.h"
2842# else
7f3d1cf1 2843# ifdef I_MACH_CTHREADS
bdd66968 2844# include <mach/cthreads.h>
8f1f23e8 2845# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2846# define MUTEX_INIT_CALLS_MALLOC
2847# endif
7f3d1cf1
BH		 2848typedef cthread_t perl_os_thread;
2849typedef mutex_t perl_mutex;
2850typedef condition_t perl_cond;
2851typedef void * perl_key;
2852# else /* Posix threads */
1f5ae88c
JH		 2853# ifdef I_PTHREAD
2854# include <pthread.h>
2855# endif
7f3d1cf1
BH		 2856typedef pthread_t perl_os_thread;
2857typedef pthread_mutex_t perl_mutex;
2858typedef pthread_cond_t perl_cond;
2859typedef pthread_key_t perl_key;
2860# endif /* I_MACH_CTHREADS */
dd96f567 2861# endif /* OS2 */
32f822de
GS		 2862# endif /* WIN32 */
2863# endif /* FAKE_THREADS */
2986a63f 2864#endif /* NETWARE */
3db8f154 2865#endif /* USE_ITHREADS */
c5be433b 2866
66a93824 2867#if defined(WIN32)
1feb2720 2868# include "win32.h"
c5be433b
GS		 2869#endif
2870
2986a63f
JH		 2871#ifdef NETWARE
2872# include "netware.h"
2873#endif
2874
e5218da5 2875#define STATUS_UNIX PL_statusvalue
68dc0745 2876#ifdef VMS
6b88bc9c 2877# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2878/*
2879 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2880 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2881 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2882 * be updated also.
2883 */
2884# include <stsdef.h>
2885# include <ssdef.h>
2886/* Presume this because if VMS changes it, it will require a new
2887 * set of APIs for waiting on children for binary compatibility.
2888 */
2889# define child_offset_bits (8)
2890# ifndef C_FAC_POSIX
2891# define C_FAC_POSIX 0x35A000
2892# endif
2893
2894/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2895 * platform from the existing UNIX or Native status values.
2896 */
2897
37038d91 2898# define STATUS_EXIT \
7a7fd8e0
JM		 2899 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2900 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2901
7a7fd8e0 2902
fb38d079
JM		 2903/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2904 * exit code and shifts the UNIX value over the correct number of bits to
2905 * be a child status. Usually the number of bits is 8, but that could be
2906 * platform dependent. The NATIVE status code is presumed to have either
2907 * from a child process.
7a7fd8e0
JM		 2908 */
2909
fb38d079
JM		 2910/* This is complicated. The child processes return a true native VMS
2911 status which must be saved. But there is an assumption in Perl that
2912 the UNIX child status has some relationship to errno values, so
00f254e2 2913 Perl tries to translate it to text in some of the tests.
fb38d079
JM		 2914 In order to get the string translation correct, for the error, errno
2915 must be EVMSERR, but that generates a different text message
2916 than what the test programs are expecting. So an errno value must
2917 be derived from the native status value when an error occurs.
2918 That will hide the true native status message. With this version of
2919 perl, the true native child status can always be retrieved so that
2920 is not a problem. But in this case, Pl_statusvalue and errno may
2921 have different values in them.
2922 */
7a7fd8e0 2923
fb38d079 2924# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2925 STMT_START { \
2fbb330f
JM		 2926 I32 evalue = (I32)n; \
2927 if (evalue == EVMSERR) { \
2928 PL_statusvalue_vms = vaxc$errno; \
2929 PL_statusvalue = evalue; \
7a7fd8e0 2930 } else { \
2fbb330f 2931 PL_statusvalue_vms = evalue; \
fb38d079 2932 if (evalue == -1) { \
3280af22 2933 PL_statusvalue = -1; \
7a7fd8e0
JM		 2934 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2935 } else \
fb38d079 2936 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2937 set_vaxc_errno(evalue); \
fb38d079
JM		 2938 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2939 set_errno(EVMSERR); \
2940 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2941 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2942 } \
68dc0745 2943 } STMT_END
7a7fd8e0 2944
68dc0745 2945# ifdef VMSISH_STATUS
e5218da5 2946# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2947# else
e5218da5 2948# define STATUS_CURRENT STATUS_UNIX
68dc0745 2949# endif
7a7fd8e0
JM		 2950
2951 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2952 * the NATIVE status to an equivalent value. Can not be used to translate
2953 * exit code values as exit code values are not guaranteed to have any
2954 * relationship at all to errno values.
2955 * This is used when Perl is forcing errno to have a specific value.
2956 */
e5218da5 2957# define STATUS_UNIX_SET(n) \
68dc0745 2958 STMT_START { \
7a7fd8e0 2959 I32 evalue = (I32)n; \
0968cdad 2960 PL_statusvalue = evalue; \
3280af22 2961 if (PL_statusvalue != -1) { \
0968cdad
JM		 2962 if (PL_statusvalue != EVMSERR) { \
2963 PL_statusvalue &= 0xFFFF; \
2964 if (MY_POSIX_EXIT) \
2965 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2966 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2967 } \
2968 else { \
2969 PL_statusvalue_vms = vaxc$errno; \
2970 } \
68dc0745 2971 } \
0968cdad
JM		 2972 else PL_statusvalue_vms = SS$_ABORT; \
2973 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2974 } STMT_END
2975
2976 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 2977 * the NATIVE error status based on it.
2978 *
2979 * When in the default mode to comply with the Perl VMS documentation,
2980 * 0 is a success and any other code sets the NATIVE status to a failure
2981 * code of SS$_ABORT.
fb38d079
JM		 2982 *
2983 * In the new POSIX EXIT mode, native status will be set so that the
2984 * actual exit code will can be retrieved by the calling program or
2985 * shell.
2986 *
2987 * If the exit code is not clearly a UNIX parent or child exit status,
2988 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2989 */
2990
fb38d079 2991# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2992 STMT_START { \
2993 I32 evalue = (I32)n; \
2994 PL_statusvalue = evalue; \
e08e1e1d
JM		 2995 if (MY_POSIX_EXIT) { \
2996 if (evalue <= 0xFF00) { \
2997 if (evalue > 0xFF) \
2998 evalue = (evalue >> child_offset_bits) & 0xFF; \
2999 PL_statusvalue_vms = \
3000 (C_FAC_POSIX | (evalue << 3 ) | \
3001 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
3002 } else /* forgive them Perl, for they have sinned */ \
3003 PL_statusvalue_vms = evalue; \
3004 } else { \
3005 if (evalue == 0) \
3006 PL_statusvalue_vms = SS$_NORMAL; \
3007 else if (evalue <= 0xFF00) \
3008 PL_statusvalue_vms = SS$_ABORT; \
3009 else { /* forgive them Perl, for they have sinned */ \
3010 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3011 else PL_statusvalue_vms = vaxc$errno; \
3012 /* And obviously used a VMS status value instead of UNIX */ \
3013 PL_statusvalue = EVMSERR; \
3014 } \
3015 set_vaxc_errno(PL_statusvalue_vms); \
3016 } \
68dc0745 3017 } STMT_END
fb38d079 3018
e08e1e1d 3019
6ac6a52b
JM		 3020 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3021 * and sets the NATIVE error status based on it. This special case
3022 * is needed to maintain compatibility with past VMS behavior.
3023 *
3024 * In the default mode on VMS, this number is passed through as
3025 * both the NATIVE and UNIX status. Which makes it different
3026 * that the STATUS_UNIX_EXIT_SET.
3027 *
3028 * In the new POSIX EXIT mode, native status will be set so that the
3029 * actual exit code will can be retrieved by the calling program or
3030 * shell.
3031 *
1a3aec58
JM		 3032 * A POSIX exit code is from 0 to 255. If the exit code is higher
3033 * than this, it needs to be assumed that it is a VMS exit code and
3034 * passed through.
6ac6a52b
JM		 3035 */
3036
3037# define STATUS_EXIT_SET(n) \
3038 STMT_START { \
3039 I32 evalue = (I32)n; \
3040 PL_statusvalue = evalue; \
3041 if (MY_POSIX_EXIT) \
1a3aec58
JM		 3042 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3043 PL_statusvalue_vms = \
3044 (C_FAC_POSIX | (evalue << 3 ) | \
3045 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 3046 else \
3047 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3048 set_vaxc_errno(PL_statusvalue_vms); \
3049 } STMT_END
3050
fb38d079
JM		 3051
3052 /* This macro forces a success status */
7a7fd8e0
JM		 3053# define STATUS_ALL_SUCCESS \
3054 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 3055
3056 /* This macro forces a failure status */
7a7fd8e0
JM		 3057# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3058 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3059 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3060
68dc0745 3061#else
e5218da5 3062# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3063# if defined(WCOREDUMP)
37038d91 3064# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3065 STMT_START { \
3066 PL_statusvalue_posix = (n); \
3067 if (PL_statusvalue_posix == -1) \
3068 PL_statusvalue = -1; \
3069 else { \
3070 PL_statusvalue = \
3071 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3072 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3073 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3074 } \
3075 } STMT_END
3076# elif defined(WIFEXITED)
37038d91 3077# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3078 STMT_START { \
3079 PL_statusvalue_posix = (n); \
3080 if (PL_statusvalue_posix == -1) \
3081 PL_statusvalue = -1; \
3082 else { \
3083 PL_statusvalue = \
3084 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3085 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3086 } \
3087 } STMT_END
3088# else
37038d91 3089# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3090 STMT_START { \
3091 PL_statusvalue_posix = (n); \
3092 if (PL_statusvalue_posix == -1) \
3093 PL_statusvalue = -1; \
3094 else { \
3095 PL_statusvalue = \
3096 PL_statusvalue_posix & 0xFFFF; \
3097 } \
3098 } STMT_END
3099# endif
3100# define STATUS_UNIX_SET(n) \
68dc0745 3101 STMT_START { \
3280af22
NIS		 3102 PL_statusvalue = (n); \
3103 if (PL_statusvalue != -1) \
3104 PL_statusvalue &= 0xFFFF; \
68dc0745 3105 } STMT_END
7a7fd8e0 3106# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3107# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3108# define STATUS_CURRENT STATUS_UNIX
37038d91 3109# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3110# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3111# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3112#endif
3113
cc3604b1
GS		 3114/* flags in PL_exit_flags for nature of exit() */
3115#define PERL_EXIT_EXPECTED 0x01
31d77e54 3116#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3117
b79b76e0 3118#ifndef PERL_CORE
a7cb1f99 3119/* format to use for version numbers in file/directory names */
273cf8d1 3120/* XXX move to Configure? */
b79b76e0
NC		 3121/* This was only ever used for the current version, and that can be done at
3122 compile time, as PERL_FS_VERSION, so should we just delete it? */
3123# ifndef PERL_FS_VER_FMT
3124# define PERL_FS_VER_FMT "%d.%d.%d"
3125# endif
3126#endif
3127
3128#ifndef PERL_FS_VERSION
3129# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS		 3130#endif
3131
45bc9206 3132/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3133 * performance issue, so we allow people to disable it. Also, if
3134 * we are using stdio, there are broken implementations of fflush(NULL)
3135 * out there, Solaris being the most prominent.
45bc9206
GS		 3136 */
3137#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3138# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3139# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3140# else
3141# ifdef FFLUSH_ALL
3142# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3143# else
c5be433b 3144# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3145# endif
66fe083f 3146# endif
45bc9206
GS		 3147#endif
3148
7766f137
GS		 3149#ifndef PERL_WAIT_FOR_CHILDREN
3150# define PERL_WAIT_FOR_CHILDREN NOOP
3151#endif
3152
ba869deb 3153/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3154#ifndef PERL_SET_INTERP
3155# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3156#endif
3157
3158#ifndef PERL_GET_INTERP
3159# define PERL_GET_INTERP (PL_curinterp)
3160#endif
3161
54aff467 3162#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3163# ifdef MULTIPLICITY
ba869deb 3164# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3165# endif
ba869deb
GS		 3166# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3167#endif
3168
00f254e2 3169/*
8896765a 3170 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3171 All that is required is that the perl source does not
00f254e2
KW		 3172 use "%-p" or "%-<number>p" or "%<number>p" formats.
3173 These formats will still work in perl code.
486ec47a 3174 See comments in sv.c for further details.
8896765a 3175
8896765a 3176 Robin Barker 2005-07-14
f46d31f2 3177
00f254e2 3178 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3179*/
8896765a
RB		 3180
3181#ifndef SVf_
63ce7bf0 3182# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3183#endif
3184
8896765a 3185#ifndef SVf
104abab4 3186# define SVf "-p"
d2560b70
RB		 3187#endif
3188
014ead4b 3189#ifndef SVf32
8896765a 3190# define SVf32 SVf_(32)
014ead4b
RB		 3191#endif
3192
3193#ifndef SVf256
8896765a
RB		 3194# define SVf256 SVf_(256)
3195#endif
3196
be2597df
MHM		 3197#define SVfARG(p) ((void*)(p))
3198
20023040
FC		 3199#ifndef HEKf
3200# define HEKf "2p"
3201#endif
3202
b8fa5213
FC		 3203/* Not ideal, but we cannot easily include a number in an already-numeric
3204 * format sequence. */
3205#ifndef HEKf256
3206# define HEKf256 "3p"
3207#endif
3208
20023040
FC		 3209#define HEKfARG(p) ((void*)(p))
3210
f46d31f2 3211#ifdef PERL_CORE
486ec47a 3212/* not used; but needed for backward compatibility with XS code? - RMB */
f46d31f2
RB		 3213# undef VDf
3214#else
3215# ifndef VDf
8896765a
RB		 3216# define VDf "vd"
3217# endif
014ead4b 3218#endif
170cd9e9
NC		 3219
3220#ifdef PERL_CORE
486ec47a 3221/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB		 3222# undef UVf
3223#else
170cd9e9
NC		 3224# ifndef UVf
3225# define UVf UVuf
3226# endif
d2560b70
RB		 3227#endif
3228
fcdf39cf
RGS		 3229#ifdef HASATTRIBUTE_DEPRECATED
3230# define __attribute__deprecated__ __attribute__((deprecated))
3231#endif
0dbb1585
AL		 3232#ifdef HASATTRIBUTE_FORMAT
3233# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3234#endif
3235#ifdef HASATTRIBUTE_MALLOC
77785eea 3236# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3237#endif
0dbb1585 3238#ifdef HASATTRIBUTE_NONNULL
abb2c242 3239# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3240#endif
0dbb1585 3241#ifdef HASATTRIBUTE_NORETURN
abb2c242 3242# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3243#endif
0dbb1585 3244#ifdef HASATTRIBUTE_PURE
abb2c242 3245# define __attribute__pure__ __attribute__((pure))
f22be1b8 3246#endif
0dbb1585
AL		 3247#ifdef HASATTRIBUTE_UNUSED
3248# define __attribute__unused__ __attribute__((unused))
3249#endif
3250#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3251# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3252#endif
3253
0dbb1585 3254/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3255#ifndef __attribute__deprecated__
3256# define __attribute__deprecated__
3257#endif
0dbb1585
AL		 3258#ifndef __attribute__format__
3259# define __attribute__format__(x,y,z)
3260#endif
f22be1b8 3261#ifndef __attribute__malloc__
abb2c242 3262# define __attribute__malloc__
f22be1b8
JH		 3263#endif
3264#ifndef __attribute__nonnull__
abb2c242 3265# define __attribute__nonnull__(a)
f22be1b8
JH		 3266#endif
3267#ifndef __attribute__noreturn__
abb2c242 3268# define __attribute__noreturn__
f22be1b8
JH		 3269#endif
3270#ifndef __attribute__pure__
abb2c242 3271# define __attribute__pure__
f22be1b8 3272#endif
0dbb1585
AL		 3273#ifndef __attribute__unused__
3274# define __attribute__unused__
3275#endif
f22be1b8 3276#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3277# define __attribute__warn_unused_result__
3278#endif
3279
0dbb1585
AL		 3280/* For functions that are marked as __attribute__noreturn__, it's not
3281 appropriate to call return. In either case, include the lint directive.
3282 */
3283#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3284# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3285#else
b37c2d43 3286# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH		 3287#endif
3288
cdfeb707
RB		 3289/* Some OS warn on NULL format to printf */
3290#ifdef PRINTF_FORMAT_NULL_OK
3291# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3292#else
00f254e2 3293# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB		 3294#endif
3295
635aebb7 3296#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3297# define EXPECT(expr,val) __builtin_expect(expr,val)
3298#else
3299# define EXPECT(expr,val) (expr)
3300#endif
3301#define LIKELY(cond) EXPECT(cond,1)
3302#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3303#ifdef HAS_BUILTIN_CHOOSE_EXPR
3304/* placeholder */
3305#endif
b37c2d43 3306
3fc1aec6 3307/* Some unistd.h's give a prototype for pause() even though
3308 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3309 below to be rejected by the compiler. Sigh.
3fc1aec6 3310*/
3311#ifdef HAS_PAUSE
3312#define Pause pause
3313#else
3314#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3315#endif
3316
3317#ifndef IOCPARM_LEN
3318# ifdef IOCPARM_MASK
61f1c44b 3319 /* on BSDish systems we're safe */
748a9306
LW		 3320# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3321# else
61f1c44b 3322# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3323 /* on Linux systems we're safe; except when we're not [perl #38223] */
3324# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3325# else
748a9306 3326 /* otherwise guess at what's safe */
61f1c44b
JVD		 3327# define IOCPARM_LEN(x) 256
3328# endif
748a9306 3329# endif
a0d0e21e
LW		 3330#endif
3331
1761cee5 3332#if defined(__CYGWIN__)
521e0776
GS		 3333/* USEMYBINMODE
3334 * This symbol, if defined, indicates that the program should
16fe6d59 3335 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3336 * that a file is in "binary" mode -- that is, that no translation
3337 * of bytes occurs on read or write operations.
3338 */
36894f0b 3339# define USEMYBINMODE /**/
77a40698 3340# include <io.h> /* for setmode() prototype */
16fe6d59 3341# define my_binmode(fp, iotype, mode) \
77a40698 3342 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3343#endif
3344
88d10794
JH		 3345#ifdef __CYGWIN__
3346void init_os_extras(void);
3347#endif
3348
cea2e8a9
GS		 3349#ifdef UNION_ANY_DEFINITION
3350UNION_ANY_DEFINITION;
3351#else
3352union any {
3353 void* any_ptr;
3354 I32 any_i32;
3355 IV any_iv;
c6bf6a65 3356 UV any_uv;
cea2e8a9 3357 long any_long;
9febdf04 3358 bool any_bool;
c76ac1ee 3359 void (*any_dptr) (void*);
acfe0abc 3360 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3361};
3362#endif
3363
acfe0abc 3364typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3365
3366#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3367#define FILTER_DATA(idx) \
3368 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3369#define FILTER_ISREADER(idx) \
3370 (PL_parser && PL_parser->rsfp_filters \
3371 && idx >= AvFILLp(PL_parser->rsfp_filters))
3372#define PERL_FILTER_EXISTS(i) \
3373 (PL_parser && PL_parser->rsfp_filters \
3374 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3375
c5078cac
JH		 3376#if defined(_AIX) && !defined(_AIX43)
3377#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3378/* We cannot include <crypt.h> to get the struct crypt_data
3379 * because of setkey prototype problems when threading */
3380typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3381 /* From OSF, Not needed in AIX
3382 char C[28], D[28];
3383 */
3384 char E[48];
3385 char KS[16][48];
3386 char block[66];
3387 char iobuf[16];
3388} CRYPTD;
3389#endif /* threading */
3390#endif /* AIX */
3391
e37778c2 3392#if !defined(OS2)
2c2d71f5
JH		 3393# include "iperlsys.h"
3394#endif
504f80c1 3395
9c12f1e5 3396#ifdef __LIBCATAMOUNT__
00f254e2 3397#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS		 3398#undef HAS_GROUP
3399#define FAKE_BIT_BUCKET
3400#endif
3401
d10dc2ae
JH		 3402/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3403 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3404 * defined by Configure, despite their names being similar to the
3405 * other defines like USE_ITHREADS. Configure in fact knows nothing
3406 * about the randomised hashes. Therefore to enable/disable the hash
3407 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3408#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3409# define USE_HASH_SEED
504f80c1
JH		 3410#endif
3411
598921a7
NC		 3412/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3413 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3414 * it's not really needed.
3415 */
3416#if defined(WIN32)
3417# define YYTOKENTYPE
3418#endif
3419#include "perly.h"
3420
3421#ifdef PERL_MAD
3422struct nexttoken {
3423 YYSTYPE next_val; /* value of next token, if any */
3424 I32 next_type; /* type of next token */
3425 MADPROP *next_mad; /* everything else about that token */
3426};
3427#endif
3428
654eccd5
JD		 3429/* macros to define bit-fields in structs. */
3430#ifndef PERL_BITFIELD8
3431# define PERL_BITFIELD8 unsigned
3432#endif
3433#ifndef PERL_BITFIELD16
3434# define PERL_BITFIELD16 unsigned
3435#endif
3436#ifndef PERL_BITFIELD32
3437# define PERL_BITFIELD32 unsigned
3438#endif
3439
79072805 3440#include "sv.h"
288b8c02 3441#include "regexp.h"
378cc40b 3442#include "util.h"
8d063cd8 3443#include "form.h"
79072805 3444#include "gv.h"
dd2155a4 3445#include "pad.h"
79072805 3446#include "cv.h"
abdd5c84 3447#include "opnames.h"
79072805 3448#include "op.h"
b3ca2e83 3449#include "hv.h"
79072805
LW		 3450#include "cop.h"
3451#include "av.h"
79072805
LW		 3452#include "mg.h"
3453#include "scope.h"
4438c4b7 3454#include "warnings.h"
a0ed51b3 3455#include "utf8.h"
8d063cd8 3456
0d7d409d
DM		 3457/* these would be in doio.h if there was such a file */
3458#define my_stat() my_stat_flags(SV_GMAGIC)
3459#define my_lstat() my_lstat_flags(SV_GMAGIC)
3460
20f4945e 3461/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM		 3462#undef _XPV_HEAD
3463#undef _XPVMG_HEAD
3464#undef _XPVCV_COMMON
7fae4e64
GS		 3465
3466typedef struct _sublex_info SUBLEXINFO;
3467struct _sublex_info {
651b5b28
NC		 3468 U8 super_state; /* lexer state to save */
3469 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3470 OP *sub_op; /* "lex_op" to use */
f06b5848
DM		 3471 char *super_bufptr; /* PL_parser->bufptr that was */
3472 char *super_bufend; /* PL_parser->bufend that was */
7fae4e64
GS		 3473};
3474
199e78b7
DM		 3475#include "parser.h"
3476
455ece5e 3477typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3478
2c2d71f5 3479struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3480struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3481
5f7fde29
GS		 3482struct ptr_tbl_ent {
3483 struct ptr_tbl_ent* next;
53c1dcc0 3484 const void* oldval;
5f7fde29 3485 void* newval;
d18c6117
GS		 3486};
3487
5f7fde29
GS		 3488struct ptr_tbl {
3489 struct ptr_tbl_ent** tbl_ary;
3490 UV tbl_max;
3491 UV tbl_items;
db93c0c4
NC		 3492 struct ptr_tbl_arena *tbl_arena;
3493 struct ptr_tbl_ent *tbl_arena_next;
3494 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS		 3495};
3496
450a55e4 3497#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3498# define I286
3499#endif
3500
fe14fcc3
LW		 3501#if defined(htonl) && !defined(HAS_HTONL)
3502#define HAS_HTONL
ae986130 3503#endif
fe14fcc3
LW		 3504#if defined(htons) && !defined(HAS_HTONS)
3505#define HAS_HTONS
ae986130 3506#endif
fe14fcc3
LW		 3507#if defined(ntohl) && !defined(HAS_NTOHL)
3508#define HAS_NTOHL
ae986130 3509#endif
fe14fcc3
LW		 3510#if defined(ntohs) && !defined(HAS_NTOHS)
3511#define HAS_NTOHS
ae986130 3512#endif
fe14fcc3 3513#ifndef HAS_HTONL
d9d8d8de 3514#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3515#define HAS_HTONS
3516#define HAS_HTONL
3517#define HAS_NTOHS
3518#define HAS_NTOHL
a687059c
LW		 3519#define MYSWAP
3520#define htons my_swap
3521#define htonl my_htonl
3522#define ntohs my_swap
3523#define ntohl my_ntohl
3524#endif
3525#else
d9d8d8de 3526#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3527#undef HAS_HTONS
3528#undef HAS_HTONL
3529#undef HAS_NTOHS
3530#undef HAS_NTOHL
a687059c
LW		 3531#endif
3532#endif
3533
988174c1
LW		 3534/*
3535 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3536 * -DWS
3537 */
3538#if BYTEORDER != 0x1234
3539# define HAS_VTOHL
3540# define HAS_VTOHS
3541# define HAS_HTOVL
3542# define HAS_HTOVS
c67712b2 3543# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3544# define vtohl(x) ((((x)&0xFF)<<24) \
3545 +(((x)>>24)&0xFF) \
3546 +(((x)&0x0000FF00)<<8) \
3547 +(((x)&0x00FF0000)>>8) )
3548# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3549# define htovl(x) vtohl(x)
3550# define htovs(x) vtohs(x)
3551# endif
3552 /* otherwise default to functions in util.c */
2a8c3029 3553#ifndef htovs
c623ac67
GS		 3554short htovs(short n);
3555short vtohs(short n);
3556long htovl(long n);
3557long vtohl(long n);
988174c1 3558#endif
2a8c3029 3559#endif
988174c1 3560
3bb7c1b4
JH		 3561/* *MAX Plus 1. A floating point value.
3562 Hopefully expressed in a way that dodgy floating point can't mess up.
3563 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3564 is added to it
3565 May find that some broken compiler will want the value cast to I32.
3566 [after the shift, as signed >> may not be as secure as unsigned >>]
3567*/
3568#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3569#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3570/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3571 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3572 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3573*/
3574#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3575
3bb7c1b4
JH		 3576#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3577#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3578#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3579
3580/* This may look like unnecessary jumping through hoops, but converting
3581 out of range floating point values to integers *is* undefined behaviour,
3582 and it is starting to bite.
3583*/
3584#ifndef CAST_INLINE
65202027 3585#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3586#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3587#define I_V(what) (cast_iv((NV)(what)))
3588#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3589#else
3590#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3591 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3592 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3593#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3594 : ((n) < U32_MAX_P1 ? (U32) (n) \
3595 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3596#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3597 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3598 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3599#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3600 : ((n) < UV_MAX_P1 ? (UV) (n) \
3601 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3602#endif
3603
3604#define U_S(what) ((U16)U_32(what))
3605#define U_I(what) ((unsigned int)U_32(what))
3606#define U_L(what) U_32(what)
ed6116ce 3607
ed140128
AD		 3608#ifdef HAS_SIGNBIT
3609# define Perl_signbit signbit
3610#endif
3611
2d4389e4
JH		 3612/* These do not care about the fractional part, only about the range. */
3613#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3614#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3615
25da4f38
IZ		 3616/* Used with UV/IV arguments: */
3617 /* XXXX: need to speed it up */
3618#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3619#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3620
352d5a3a
LW		 3621#ifndef MAXSYSFD
3622# define MAXSYSFD 2
3623#endif
ee0007ab 3624
79072805 3625#ifndef __cplusplus
27da23d5 3626#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3627Uid_t getuid (void);
3628Uid_t geteuid (void);
3629Gid_t getgid (void);
3630Gid_t getegid (void);
79072805 3631#endif
e1caacb4 3632#endif
8d063cd8 3633
0c30d9ec 3634#ifndef Perl_debug_log
bf49b057
GS		 3635# define Perl_debug_log PerlIO_stderr()
3636#endif
3637
3638#ifndef Perl_error_log
3639# define Perl_error_log (PL_stderrgv \
6b78add2 3640 && isGV(PL_stderrgv) \
01bb7c6d 3641 && GvIOp(PL_stderrgv) \
42de951c 3642 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3643 ? IoOFP(GvIOp(PL_stderrgv)) \
3644 : PerlIO_stderr())
0c30d9ec 3645#endif
3967c732 3646
aea4f609
DM		 3647
3648#define DEBUG_p_FLAG 0x00000001 /* 1 */
3649#define DEBUG_s_FLAG 0x00000002 /* 2 */
3650#define DEBUG_l_FLAG 0x00000004 /* 4 */
3651#define DEBUG_t_FLAG 0x00000008 /* 8 */
3652#define DEBUG_o_FLAG 0x00000010 /* 16 */
3653#define DEBUG_c_FLAG 0x00000020 /* 32 */
3654#define DEBUG_P_FLAG 0x00000040 /* 64 */
3655#define DEBUG_m_FLAG 0x00000080 /* 128 */
3656#define DEBUG_f_FLAG 0x00000100 /* 256 */
3657#define DEBUG_r_FLAG 0x00000200 /* 512 */
3658#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3659#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3660/* U is reserved for Unofficial, exploratory hacking */
3661#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3662#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3663#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3664#define DEBUG_D_FLAG 0x00008000 /* 32768 */
d2c25739 3665/* 0x00010000 is unused, used to be S */
aea4f609 3666#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3667#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3668#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3669#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3670#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3671#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3672#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 3673#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3674#define DEBUG_B_FLAG 0x02000000 /*33554432*/
3675#define DEBUG_MASK 0x03FEEFFF /* mask of all the standard flags */
aea4f609
DM		 3676
3677#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3678#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3679 that something was done? */
aea4f609 3680
bd16a5f0
IZ		 3681# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3682# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3683# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3684# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3685# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3686# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3687# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3688# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3689# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3690# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3691# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3692# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3693# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3694# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3695# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3696# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
bd16a5f0
IZ		 3697# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3698# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3699# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3700# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3701# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3702# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3703# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3704# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3705# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3706# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3707# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3708# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3709
3967c732 3710#ifdef DEBUGGING
aea4f609 3711
bd16a5f0
IZ		 3712# define DEBUG_p_TEST DEBUG_p_TEST_
3713# define DEBUG_s_TEST DEBUG_s_TEST_
3714# define DEBUG_l_TEST DEBUG_l_TEST_
3715# define DEBUG_t_TEST DEBUG_t_TEST_
3716# define DEBUG_o_TEST DEBUG_o_TEST_
3717# define DEBUG_c_TEST DEBUG_c_TEST_
3718# define DEBUG_P_TEST DEBUG_P_TEST_
3719# define DEBUG_m_TEST DEBUG_m_TEST_
3720# define DEBUG_f_TEST DEBUG_f_TEST_
3721# define DEBUG_r_TEST DEBUG_r_TEST_
3722# define DEBUG_x_TEST DEBUG_x_TEST_
3723# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3724# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3725# define DEBUG_H_TEST DEBUG_H_TEST_
3726# define DEBUG_X_TEST DEBUG_X_TEST_
3727# define DEBUG_D_TEST DEBUG_D_TEST_
bd16a5f0
IZ		 3728# define DEBUG_T_TEST DEBUG_T_TEST_
3729# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3730# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3731# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3732# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3733# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3734# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3735# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3736# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC		 3737# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3738# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3739# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3740
488b0c7a
JH		 3741# define PERL_DEB(a) a
3742# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3743# define DEBUG_p(a) if (DEBUG_p_TEST) a
3744# define DEBUG_s(a) if (DEBUG_s_TEST) a
3745# define DEBUG_l(a) if (DEBUG_l_TEST) a
3746# define DEBUG_t(a) if (DEBUG_t_TEST) a
3747# define DEBUG_o(a) if (DEBUG_o_TEST) a
3748# define DEBUG_c(a) if (DEBUG_c_TEST) a
3749# define DEBUG_P(a) if (DEBUG_P_TEST) a
3750
969058bb
VK		 3751 /* Temporarily turn off memory debugging in case the a
3752 * does memory allocation, either directly or indirectly. */
acfe0abc 3753# define DEBUG_m(a) \
0b250b9e 3754 STMT_START { \
aea4f609 3755 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3756 } STMT_END
aea4f609 3757
5f80b19c
AMS		 3758# define DEBUG__(t, a) \
3759 STMT_START { \
3760 if (t) STMT_START {a;} STMT_END; \
3761 } STMT_END
3762
3763# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3764#ifndef PERL_EXT_RE_BUILD
5f80b19c 3765# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3766#else
3767# define DEBUG_r(a) STMT_START {a;} STMT_END
3768#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3769# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3770# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3771# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3772# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3773# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3774# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3775# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3776# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3777# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3778
5f80b19c
AMS		 3779# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3780# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3781# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3782# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3783# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3784# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3785# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3786# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM		 3787
3788#else /* DEBUGGING */
3789
3790# define DEBUG_p_TEST (0)
3791# define DEBUG_s_TEST (0)
3792# define DEBUG_l_TEST (0)
3793# define DEBUG_t_TEST (0)
3794# define DEBUG_o_TEST (0)
3795# define DEBUG_c_TEST (0)
3796# define DEBUG_P_TEST (0)
3797# define DEBUG_m_TEST (0)
3798# define DEBUG_f_TEST (0)
3799# define DEBUG_r_TEST (0)
3800# define DEBUG_x_TEST (0)
3801# define DEBUG_u_TEST (0)
88d2d28a 3802# define DEBUG_U_TEST (0)
aea4f609
DM		 3803# define DEBUG_H_TEST (0)
3804# define DEBUG_X_TEST (0)
3805# define DEBUG_D_TEST (0)
aea4f609 3806# define DEBUG_T_TEST (0)
04932ac8 3807# define DEBUG_R_TEST (0)
1045810a 3808# define DEBUG_J_TEST (0)
d6721266 3809# define DEBUG_v_TEST (0)
46187eeb 3810# define DEBUG_C_TEST (0)
ecae49c0
NC		 3811# define DEBUG_A_TEST (0)
3812# define DEBUG_q_TEST (0)
d7c0d282 3813# define DEBUG_M_TEST (0)
cc8773c0 3814# define DEBUG_B_TEST (0)
7949c6f5
JC		 3815# define DEBUG_Xv_TEST (0)
3816# define DEBUG_Uv_TEST (0)
ad9e76a8 3817# define DEBUG_Pv_TEST (0)
aea4f609 3818
488b0c7a
JH		 3819# define PERL_DEB(a)
3820# define PERL_DEBUG(a)
aea4f609
DM		 3821# define DEBUG_p(a)
3822# define DEBUG_s(a)
3823# define DEBUG_l(a)
3824# define DEBUG_t(a)
3825# define DEBUG_o(a)
3826# define DEBUG_c(a)
3827# define DEBUG_P(a)
3828# define DEBUG_m(a)
3829# define DEBUG_f(a)
3830# define DEBUG_r(a)
3831# define DEBUG_x(a)
3832# define DEBUG_u(a)
88d2d28a 3833# define DEBUG_U(a)
aea4f609
DM		 3834# define DEBUG_H(a)
3835# define DEBUG_X(a)
3836# define DEBUG_D(a)
aea4f609 3837# define DEBUG_T(a)
04932ac8 3838# define DEBUG_R(a)
d6721266 3839# define DEBUG_v(a)
46187eeb 3840# define DEBUG_C(a)
ecae49c0
NC		 3841# define DEBUG_A(a)
3842# define DEBUG_q(a)
d7c0d282 3843# define DEBUG_M(a)
cc8773c0 3844# define DEBUG_B(a)
7949c6f5
JC		 3845# define DEBUG_Xv(a)
3846# define DEBUG_Uv(a)
ad9e76a8 3847# define DEBUG_Pv(a)
aea4f609
DM		 3848#endif /* DEBUGGING */
3849
3850
b4ab917c 3851#define DEBUG_SCOPE(where) \
d9f81b50 3852 DEBUG_l( \
1c98cc53
DM		 3853 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
3854 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
d9f81b50 3855 __FILE__, __LINE__));
b4ab917c 3856
de84dc04
NC		 3857#if defined(DEBUGGING) && defined(I_ASSERT)
3858# include <assert.h>
3859#endif
3860
3861/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3862 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3863
de84dc04 3864#define Perl_assert(what) PERL_DEB( \
2b057284 3865 ((what) ? ((void) 0) : \
67eb4d30 3866 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3867 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3868 (void) 0)))
de84dc04
NC		 3869
3870#ifndef assert
3871# define assert(what) Perl_assert(what)
a446a88f 3872#endif
8d063cd8 3873
450a55e4 3874struct ufuncs {
24f81a43
DM		 3875 I32 (*uf_val)(pTHX_ IV, SV*);
3876 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3877 IV uf_index;
450a55e4
LW		 3878};
3879
14befaf4 3880/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3881 * XS code wanting to be backward compatible can do something
3882 * like the following:
c745e42c 3883
24f81a43 3884#ifndef PERL_MG_UFUNC
24f81a43
DM		 3885#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3886#endif
3887
3888static PERL_MG_UFUNC(foo_get, index, val)
3889{
3890 sv_setsv(val, ...);
3891 return TRUE;
3892}
3893
3894-- Doug MacEachern
3895
3896*/
3897
fc9c74e6 3898#ifndef PERL_MG_UFUNC
24f81a43 3899#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3900#endif
24f81a43 3901
fe14fcc3 3902/* Fix these up for __STDC__ */
68dc0745 3903#ifndef DONT_DECLARE_STD
20ce7b12 3904char *mktemp (char*);
37bd1396 3905#ifndef atof
20ce7b12 3906double atof (const char*);
a0d0e21e 3907#endif
37bd1396 3908#endif
79072805 3909
352d5a3a 3910#ifndef STANDARD_C
fe14fcc3 3911/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3912Time_t time();
8d063cd8 3913struct tm *gmtime(), *localtime();
092bebab 3914#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3915char *(strchr)(), *(strrchr)();
3916char *(strcpy)(), *(strcat)();
3917#else
93a17b20 3918char *strchr(), *strrchr();
378cc40b 3919char *strcpy(), *strcat();
9d116dd7 3920#endif
352d5a3a 3921#endif /* ! STANDARD_C */
8d063cd8 3922
79072805
LW		 3923
3924#ifdef I_MATH
3925# include <math.h>
3926#else
32f822de 3927START_EXTERN_C
20ce7b12
GS		 3928 double exp (double);
3929 double log (double);
3930 double log10 (double);
3931 double sqrt (double);
3932 double frexp (double,int*);
3933 double ldexp (double,int);
3934 double modf (double,double*);
3935 double sin (double);
3936 double cos (double);
3937 double atan2 (double,double);
3938 double pow (double,double);
32f822de 3939END_EXTERN_C
79072805
LW		 3940#endif
3941
aa8b85de
JH		 3942#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3943# define NV_INF LDBL_INFINITY
3944#endif
3945#if !defined(NV_INF) && defined(DBL_INFINITY)
3946# define NV_INF (NV)DBL_INFINITY
3947#endif
3948#if !defined(NV_INF) && defined(INFINITY)
3949# define NV_INF (NV)INFINITY
3950#endif
3951#if !defined(NV_INF) && defined(INF)
3952# define NV_INF (NV)INF
3953#endif
3954#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3955# define NV_INF (NV)HUGE_VALL
3956#endif
3957#if !defined(NV_INF) && defined(HUGE_VAL)
3958# define NV_INF (NV)HUGE_VAL
3959#endif
3960
3961#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3962# if !defined(NV_NAN) && defined(LDBL_NAN)
3963# define NV_NAN LDBL_NAN
3964# endif
3965# if !defined(NV_NAN) && defined(LDBL_QNAN)
3966# define NV_NAN LDBL_QNAN
3967# endif
3968# if !defined(NV_NAN) && defined(LDBL_SNAN)
3969# define NV_NAN LDBL_SNAN
3970# endif
3971#endif
3972#if !defined(NV_NAN) && defined(DBL_NAN)
3973# define NV_NAN (NV)DBL_NAN
3974#endif
3975#if !defined(NV_NAN) && defined(DBL_QNAN)
3976# define NV_NAN (NV)DBL_QNAN
3977#endif
3978#if !defined(NV_NAN) && defined(DBL_SNAN)
3979# define NV_NAN (NV)DBL_SNAN
3980#endif
3981#if !defined(NV_NAN) && defined(QNAN)
3982# define NV_NAN (NV)QNAN
3983#endif
3984#if !defined(NV_NAN) && defined(SNAN)
3985# define NV_NAN (NV)SNAN
3986#endif
3987#if !defined(NV_NAN) && defined(NAN)
3988# define NV_NAN (NV)NAN
3989#endif
3990
a0d0e21e 3991#ifndef __cplusplus
8f1f23e8 3992# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3993char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3994# else
fd8cd3a3 3995# if !defined(WIN32) && !defined(VMS)
10bc17b6 3996#ifndef crypt
20ce7b12 3997char *crypt (const char*, const char*);
10bc17b6 3998#endif
5014db98 3999# endif /* !WIN32 */
8f1f23e8 4000# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 4001# ifndef DONT_DECLARE_STD
4002# ifndef getenv
20ce7b12 4003char *getenv (const char*);
26618a56 4004# endif /* !getenv */
28ca6303 4005# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 4006# ifdef _FILE_OFFSET_BITS
28ca6303 4007# if _FILE_OFFSET_BITS == 64
20ce7b12 4008Off_t lseek (int,Off_t,int);
0fc67700
JH		 4009# endif
4010# endif
bf0c440f 4011# endif
26618a56 4012# endif /* !DONT_DECLARE_STD */
10bc17b6 4013#ifndef getlogin
20ce7b12 4014char *getlogin (void);
10bc17b6 4015#endif
26618a56 4016#endif /* !__cplusplus */
79072805 4017
7a7fd8e0
JM		 4018/* Fixme on VMS. This needs to be a run-time, not build time options */
4019/* Also rename() is affected by this */
16d20bd9 4020#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 4021#define UNLINK unlnk
083639a9 4022I32 unlnk (pTHX_ const char*);
8d063cd8 4023#else
80252599 4024#define UNLINK PerlLIO_unlink
8d063cd8 4025#endif
a687059c 4026
fa0a29af
JH		 4027/* some versions of glibc are missing the setresuid() proto */
4028#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 4029int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4030#endif
fa0a29af
JH		 4031/* some versions of glibc are missing the setresgid() proto */
4032#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 4033int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4034#endif
4035
fe14fcc3 4036#ifndef HAS_SETREUID
85e6fe83
LW		 4037# ifdef HAS_SETRESUID
4038# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4039# define HAS_SETREUID
4040# endif
a687059c 4041#endif
fe14fcc3 4042#ifndef HAS_SETREGID
85e6fe83
LW		 4043# ifdef HAS_SETRESGID
4044# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4045# define HAS_SETREGID
4046# endif
a687059c 4047#endif
ee0007ab 4048
d543acb6 4049/* Sighandler_t defined in iperlsys.h */
ff68c719 4050
4051#ifdef HAS_SIGACTION
4052typedef struct sigaction Sigsave_t;
4053#else
4054typedef Sighandler_t Sigsave_t;
4055#endif
4056
ee0007ab
LW		 4057#define SCAN_DEF 0
4058#define SCAN_TR 1
4059#define SCAN_REPL 2
79072805
LW		 4060
4061#ifdef DEBUGGING
4633a7c4 4062# ifndef register
a0d0e21e
LW		 4063# define register
4064# endif
cea2e8a9 4065# define RUNOPS_DEFAULT Perl_runops_debug
79072805 4066#else
cea2e8a9 4067# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 4068#endif
4069
6cb8cb21 4070#ifdef USE_PERLIO
0934c9d9 4071EXTERN_C void PerlIO_teardown(void);
2f44961c 4072# ifdef USE_ITHREADS
6cb8cb21
RGS		 4073# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4074# define PERLIO_TERM \
4075 STMT_START { \
d0820ef1 4076 PerlIO_teardown(); \
6cb8cb21
RGS		 4077 MUTEX_DESTROY(&PL_perlio_mutex);\
4078 } STMT_END
4079# else
4080# define PERLIO_INIT
d0820ef1 4081# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 4082# endif
6b29934b
NC		 4083#else
4084# define PERLIO_INIT
4085# define PERLIO_TERM
6cb8cb21
RGS		 4086#endif
4087
18f739ee 4088#ifdef MYMALLOC
772fe5b3 4089# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 4090# define MALLOC_INIT \
4091 STMT_START { \
4092 PL_malloc_mutex = NULL; \
4093 MUTEX_INIT(&PL_malloc_mutex); \
4094 } STMT_END
4095# define MALLOC_TERM \
4096 STMT_START { \
4097 perl_mutex tmp = PL_malloc_mutex; \
4098 PL_malloc_mutex = NULL; \
4099 MUTEX_DESTROY(&tmp); \
4100 } STMT_END
4101# else
4102# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4103# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4104# endif
18f739ee
IZ		 4105#else
4106# define MALLOC_INIT
4107# define MALLOC_TERM
4108#endif
4109
cd1541b2 4110#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 4111
4112struct perl_memory_debug_header;
cd1541b2
NC		 4113struct perl_memory_debug_header {
4114 tTHX interpreter;
4115# ifdef PERL_POISON
4116 MEM_SIZE size;
cd1541b2 4117# endif
7cb608b5
NC		 4118 struct perl_memory_debug_header *prev;
4119 struct perl_memory_debug_header *next;
cd1541b2
NC		 4120};
4121
4122# define sTHX (sizeof(struct perl_memory_debug_header) + \
4123 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4124 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4125
d8fca402
NC		 4126#else
4127# define sTHX 0
cd1541b2
NC		 4128#endif
4129
7cb608b5
NC		 4130#ifdef PERL_TRACK_MEMPOOL
4131# define INIT_TRACK_MEMPOOL(header, interp) \
4132 STMT_START { \
4133 (header).interpreter = (interp); \
4134 (header).prev = (header).next = &(header); \
4135 } STMT_END
4136# else
4137# define INIT_TRACK_MEMPOOL(header, interp)
4138#endif
4139
1cd66f7c
DD		 4140#ifdef I_MALLOCMALLOC
4141/* Needed for malloc_size(), malloc_good_size() on some systems */
4142# include <malloc/malloc.h>
4143#endif
4144
ca7c1a29
NC		 4145#ifdef MYMALLOC
4146# define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
cfe52898 4147#else
e82be400
NC		 4148# ifdef HAS_MALLOC_SIZE
4149# ifdef PERL_TRACK_MEMPOOL
cfe52898
RGS		 4150# define Perl_safesysmalloc_size(where) \
4151 (malloc_size(((char *)(where)) - sTHX) - sTHX)
e82be400
NC		 4152# else
4153# define Perl_safesysmalloc_size(where) malloc_size(where)
4154# endif
4155# endif
4156# ifdef HAS_MALLOC_GOOD_SIZE
4157# ifdef PERL_TRACK_MEMPOOL
d8fca402
NC		 4158# define Perl_malloc_good_size(how_much) \
4159 (malloc_good_size((how_much) + sTHX) - sTHX)
e82be400
NC		 4160# else
4161# define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4162# endif
4163# else
d8fca402
NC		 4164/* Having this as the identity operation makes some code simpler. */
4165# define Perl_malloc_good_size(how_much) (how_much)
e82be400 4166# endif
ca7c1a29 4167#endif
b6d9d515 4168
16c91539
BM		 4169typedef int (*runops_proc_t)(pTHX);
4170typedef void (*share_proc_t) (pTHX_ SV *sv);
4171typedef int (*thrhook_proc_t) (pTHX);
4172typedef OP* (*PPADDR_t[]) (pTHX);
4173typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4174typedef void (*despatch_signals_proc_t) (pTHX);
22c35a8c 4175
8f1f23e8
W		 4176/* NeXT has problems with crt0.o globals */
4177#if defined(__DYNAMIC__) && \
6239f2da 4178 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 4179# if defined(NeXT) || defined(__NeXT)
4180# include <mach-o/dyld.h>
4181# define environ (*environ_pointer)
0c30d9ec 4182EXT char *** environ_pointer;
8f1f23e8 4183# else
6239f2da 4184# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 4185# include <crt_externs.h> /* for the env array */
4186# define environ (*_NSGetEnviron())
4187# endif
0c30d9ec 4188# endif
8f1f23e8
W		 4189#else
4190 /* VMS and some other platforms don't use the environ array */
13b6e58c 4191# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 4192# if !defined(DONT_DECLARE_STD) || \
4193 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
4194 defined(__sgi) || \
d460ef45 4195 defined(__DGUX)
8f1f23e8 4196extern char ** environ; /* environment variables supplied via exec */
a6c40364 4197# endif
8f1f23e8
W		 4198# endif
4199#endif
79072805 4200
457c5385
NC		 4201#define PERL_PATCHLEVEL_H_IMPLICIT
4202#include "patchlevel.h"
4203#undef PERL_PATCHLEVEL_H_IMPLICIT
4204
4205#define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4206 STRINGIFY(PERL_VERSION) "." \
4207 STRINGIFY(PERL_SUBVERSION)
4208
4209#define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4210 STRINGIFY(PERL_API_VERSION) "." \
4211 STRINGIFY(PERL_API_SUBVERSION)
4212
73c4f7a1
GS		 4213START_EXTERN_C
4214
79072805 4215/* handy constants */
22c35a8c 4216EXTCONST char PL_warn_uninit[]
29489e7c 4217 INIT("Use of uninitialized value%s%s%s");
fef7e7a0
BF		 4218EXTCONST char PL_warn_uninit_sv[]
4219 INIT("Use of uninitialized value%"SVf"%s%s");
22c35a8c 4220EXTCONST char PL_warn_nosemi[]
463ee0b2 4221 INIT("Semicolon seems to be missing");
22c35a8c 4222EXTCONST char PL_warn_reserved[]
463ee0b2 4223 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4224EXTCONST char PL_warn_nl[]
93a17b20 4225 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4226EXTCONST char PL_no_wrongref[]
a0d0e21e 4227 INIT("Can't use %s ref as %s ref");
def89bff
NC		 4228/* The core no longer needs these here. If you require the string constant,
4229 please inline a copy into your own code. */
973a7615
NC		 4230EXTCONST char PL_no_symref[] __attribute__deprecated__
4231 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
def89bff
NC		 4232EXTCONST char PL_no_symref_sv[] __attribute__deprecated__
4233 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 4234EXTCONST char PL_no_usym[]
8990e307 4235 INIT("Can't use an undefined value as %s reference");
22c35a8c 4236EXTCONST char PL_no_aelem[]
93a17b20 4237 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4238EXTCONST char PL_no_helem_sv[]
d04ff51e 4239 INIT("Modification of non-creatable hash value attempted, subscript \"%"SVf"\"");
22c35a8c 4240EXTCONST char PL_no_modify[]
93a17b20 4241 INIT("Modification of a read-only value attempted");
22c35a8c 4242EXTCONST char PL_no_mem[]
93a17b20 4243 INIT("Out of memory!\n");
22c35a8c 4244EXTCONST char PL_no_security[]
463ee0b2 4245 INIT("Insecure dependency in %s%s");
22c35a8c 4246EXTCONST char PL_no_sock_func[]
93a17b20 4247 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4248EXTCONST char PL_no_dir_func[]
93a17b20 4249 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4250EXTCONST char PL_no_func[]
93a17b20 4251 INIT("The %s function is unimplemented");
22c35a8c 4252EXTCONST char PL_no_myglob[]
952306ac 4253 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 4254EXTCONST char PL_no_localize_ref[]
4255 INIT("Can't localize through a reference");
27d5b266
JH		 4256EXTCONST char PL_memory_wrap[]
4257 INIT("panic: memory wrap");
93a17b20 4258
58f645e2
NC		 4259EXTCONST char PL_Yes[]
4260 INIT("1");
4261EXTCONST char PL_No[]
4262 INIT("");
4263EXTCONST char PL_hexdigit[]
4264 INIT("0123456789abcdef0123456789ABCDEF");
4265
0447859b
NC		 4266/* This is constant on most architectures, a global on OS/2 */
4267#ifndef OS2
4268EXTCONST char PL_sh_path[]
4269 INIT(SH_PATH); /* full path of shell */
4270#endif
4271
618b9757
NC		 4272#ifdef CSH
4273EXTCONST char PL_cshname[]
4274 INIT(CSH);
4275# define PL_cshlen (sizeof(CSH "") - 1)
4276#endif
4277
457c5385
NC		 4278/* These are baked at compile time into any shared perl library.
4279 In future releases this will allow us in main() to sanity test the
4280 library we're linking against. */
4281
4282EXTCONST U8 PL_revision
4283 INIT(PERL_REVISION);
4284EXTCONST U8 PL_version
4285 INIT(PERL_VERSION);
4286EXTCONST U8 PL_subversion
4287 INIT(PERL_SUBVERSION);
4288
7575fa06 4289EXTCONST char PL_uuemap[65]
80252599
GS		 4290 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4291
79072805 4292#ifdef DOINIT
9444d213 4293EXTCONST char PL_uudmap[256] =
dde5ec2c
NC		 4294# ifdef PERL_MICRO
4295# include "uuudmap.h"
4296# else
4297# include "uudmap.h"
4298# endif
9444d213 4299;
efa50c51 4300EXTCONST char PL_bitcount[256] =
dde5ec2c
NC		 4301# ifdef PERL_MICRO
4302# include "ubitcount.h"
4303#else
4304# include "bitcount.h"
4305# endif
efa50c51 4306;
27da23d5
JH		 4307EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4308EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4309#else
9444d213 4310EXTCONST char PL_uudmap[256];
efa50c51 4311EXTCONST char PL_bitcount[256];
27da23d5
JH		 4312EXTCONST char* const PL_sig_name[];
4313EXTCONST int PL_sig_num[];
79072805
LW		 4314#endif
4315
6d8e7a01
KW		 4316/* fast conversion and case folding tables. The folding tables complement the
4317 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4318 * folds such as outside the range or to multiple characters. */
bbce6d69 4319
79072805 4320#ifdef DOINIT
d02f4dad
KW		 4321#ifndef EBCDIC
4322
4323/* The EBCDIC fold table depends on the code page, and hence is found in
4324 * utfebcdic.h */
4325
22c35a8c 4326EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4327 0, 1, 2, 3, 4, 5, 6, 7,
4328 8, 9, 10, 11, 12, 13, 14, 15,
4329 16, 17, 18, 19, 20, 21, 22, 23,
4330 24, 25, 26, 27, 28, 29, 30, 31,
4331 32, 33, 34, 35, 36, 37, 38, 39,
4332 40, 41, 42, 43, 44, 45, 46, 47,
4333 48, 49, 50, 51, 52, 53, 54, 55,
4334 56, 57, 58, 59, 60, 61, 62, 63,
4335 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4336 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4337 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4338 'x', 'y', 'z', 91, 92, 93, 94, 95,
4339 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4340 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4341 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4342 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4343 128, 129, 130, 131, 132, 133, 134, 135,
4344 136, 137, 138, 139, 140, 141, 142, 143,
4345 144, 145, 146, 147, 148, 149, 150, 151,
4346 152, 153, 154, 155, 156, 157, 158, 159,
4347 160, 161, 162, 163, 164, 165, 166, 167,
4348 168, 169, 170, 171, 172, 173, 174, 175,
4349 176, 177, 178, 179, 180, 181, 182, 183,
4350 184, 185, 186, 187, 188, 189, 190, 191,
4351 192, 193, 194, 195, 196, 197, 198, 199,
4352 200, 201, 202, 203, 204, 205, 206, 207,
4353 208, 209, 210, 211, 212, 213, 214, 215,
4354 216, 217, 218, 219, 220, 221, 222, 223,
4355 224, 225, 226, 227, 228, 229, 230, 231,
4356 232, 233, 234, 235, 236, 237, 238, 239,
4357 240, 241, 242, 243, 244, 245, 246, 247,
4358 248, 249, 250, 251, 252, 253, 254, 255
4359};
3871f40b
KW		 4360EXTCONST unsigned char PL_fold_latin1[] = {
4361 /* Full latin1 complement folding, except for three problematic code points:
4362 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4363 * fold complements outside the Latin1 range, so can't match something
4364 * that isn't in utf8.
4365 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4366 * not one, so can't be represented in this table.
4367 *
4368 * All have to be specially handled */
4369 0, 1, 2, 3, 4, 5, 6, 7,
4370 8, 9, 10, 11, 12, 13, 14, 15,
4371 16, 17, 18, 19, 20, 21, 22, 23,
4372 24, 25, 26, 27, 28, 29, 30, 31,
4373 32, 33, 34, 35, 36, 37, 38, 39,
4374 40, 41, 42, 43, 44, 45, 46, 47,
4375 48, 49, 50, 51, 52, 53, 54, 55,
4376 56, 57, 58, 59, 60, 61, 62, 63,
4377 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4378 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4379 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4380 'x', 'y', 'z', 91, 92, 93, 94, 95,
4381 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4382 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4383 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4384 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4385 128, 129, 130, 131, 132, 133, 134, 135,
4386 136, 137, 138, 139, 140, 141, 142, 143,
4387 144, 145, 146, 147, 148, 149, 150, 151,
4388 152, 153, 154, 155, 156, 157, 158, 159,
4389 160, 161, 162, 163, 164, 165, 166, 167,
4390 168, 169, 170, 171, 172, 173, 174, 175,
4391 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4392 184, 185, 186, 187, 188, 189, 190, 191,
4393 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4394 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4395 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4396 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4397 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4398 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4399 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4400 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4401 255 /* y with diaeresis */
4402};
00f254e2
KW		 4403#endif /* !EBCDIC, but still in DOINIT */
4404
4405/* If these tables are accessed through ebcdic, the access will be converted to
4406 * latin1 first */
4407EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4408 0, 1, 2, 3, 4, 5, 6, 7,
4409 8, 9, 10, 11, 12, 13, 14, 15,
4410 16, 17, 18, 19, 20, 21, 22, 23,
4411 24, 25, 26, 27, 28, 29, 30, 31,
4412 32, 33, 34, 35, 36, 37, 38, 39,
4413 40, 41, 42, 43, 44, 45, 46, 47,
4414 48, 49, 50, 51, 52, 53, 54, 55,
4415 56, 57, 58, 59, 60, 61, 62, 63,
4416 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4417 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4418 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4419 'x', 'y', 'z', 91, 92, 93, 94, 95,
4420 96, 97, 98, 99, 100, 101, 102, 103,
4421 104, 105, 106, 107, 108, 109, 110, 111,
4422 112, 113, 114, 115, 116, 117, 118, 119,
4423 120, 121, 122, 123, 124, 125, 126, 127,
4424 128, 129, 130, 131, 132, 133, 134, 135,
4425 136, 137, 138, 139, 140, 141, 142, 143,
4426 144, 145, 146, 147, 148, 149, 150, 151,
4427 152, 153, 154, 155, 156, 157, 158, 159,
4428 160, 161, 162, 163, 164, 165, 166, 167,
4429 168, 169, 170, 171, 172, 173, 174, 175,
4430 176, 177, 178, 179, 180, 181, 182, 183,
4431 184, 185, 186, 187, 188, 189, 190, 191,
4432 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4433 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4434 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4435 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4436 224, 225, 226, 227, 228, 229, 230, 231,
4437 232, 233, 234, 235, 236, 237, 238, 239,
4438 240, 241, 242, 243, 244, 245, 246, 247,
4439 248, 249, 250, 251, 252, 253, 254, 255
4440};
4441
4442/* upper and title case of latin1 characters, modified so that the three tricky
4443 * ones are mapped to 255 (which is one of the three) */
4444EXTCONST unsigned char PL_mod_latin1_uc[] = {
4445 0, 1, 2, 3, 4, 5, 6, 7,
4446 8, 9, 10, 11, 12, 13, 14, 15,
4447 16, 17, 18, 19, 20, 21, 22, 23,
4448 24, 25, 26, 27, 28, 29, 30, 31,
4449 32, 33, 34, 35, 36, 37, 38, 39,
4450 40, 41, 42, 43, 44, 45, 46, 47,
4451 48, 49, 50, 51, 52, 53, 54, 55,
4452 56, 57, 58, 59, 60, 61, 62, 63,
4453 64, 65, 66, 67, 68, 69, 70, 71,
4454 72, 73, 74, 75, 76, 77, 78, 79,
4455 80, 81, 82, 83, 84, 85, 86, 87,
4456 88, 89, 90, 91, 92, 93, 94, 95,
4457 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4458 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4459 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4460 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4461 128, 129, 130, 131, 132, 133, 134, 135,
4462 136, 137, 138, 139, 140, 141, 142, 143,
4463 144, 145, 146, 147, 148, 149, 150, 151,
4464 152, 153, 154, 155, 156, 157, 158, 159,
4465 160, 161, 162, 163, 164, 165, 166, 167,
4466 168, 169, 170, 171, 172, 173, 174, 175,
4467 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4468 184, 185, 186, 187, 188, 189, 190, 191,
4469 192, 193, 194, 195, 196, 197, 198, 199,
4470 200, 201, 202, 203, 204, 205, 206, 207,
4471 208, 209, 210, 211, 212, 213, 214, 215,
4472 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/,
4473 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4474 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4475 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4476 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4477};
4478#else /* ! DOINIT */
22c35a8c 4479EXTCONST unsigned char PL_fold[];
3871f40b 4480EXTCONST unsigned char PL_fold_latin1[];
00f254e2
KW		 4481EXTCONST unsigned char PL_mod_latin1_uc[];
4482EXTCONST unsigned char PL_latin1_lc[];
79072805
LW		 4483#endif
4484
27da23d5 4485#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4486#ifdef DOINIT
27da23d5 4487EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4488 0, 1, 2, 3, 4, 5, 6, 7,
4489 8, 9, 10, 11, 12, 13, 14, 15,
4490 16, 17, 18, 19, 20, 21, 22, 23,
4491 24, 25, 26, 27, 28, 29, 30, 31,
4492 32, 33, 34, 35, 36, 37, 38, 39,
4493 40, 41, 42, 43, 44, 45, 46, 47,
4494 48, 49, 50, 51, 52, 53, 54, 55,
4495 56, 57, 58, 59, 60, 61, 62, 63,
4496 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4497 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4498 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4499 'x', 'y', 'z', 91, 92, 93, 94, 95,
4500 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4501 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4502 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4503 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4504 128, 129, 130, 131, 132, 133, 134, 135,
4505 136, 137, 138, 139, 140, 141, 142, 143,
4506 144, 145, 146, 147, 148, 149, 150, 151,
4507 152, 153, 154, 155, 156, 157, 158, 159,
4508 160, 161, 162, 163, 164, 165, 166, 167,
4509 168, 169, 170, 171, 172, 173, 174, 175,
4510 176, 177, 178, 179, 180, 181, 182, 183,
4511 184, 185, 186, 187, 188, 189, 190, 191,
4512 192, 193, 194, 195, 196, 197, 198, 199,
4513 200, 201, 202, 203, 204, 205, 206, 207,
4514 208, 209, 210, 211, 212, 213, 214, 215,
4515 216, 217, 218, 219, 220, 221, 222, 223,
4516 224, 225, 226, 227, 228, 229, 230, 231,
4517 232, 233, 234, 235, 236, 237, 238, 239,
4518 240, 241, 242, 243, 244, 245, 246, 247,
4519 248, 249, 250, 251, 252, 253, 254, 255
4520};
4521#else
27da23d5 4522EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4523#endif
27da23d5 4524#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4525
4526#ifdef DOINIT
9d116dd7 4527#ifdef EBCDIC
27da23d5 4528EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4529 1, 2, 84, 151, 154, 155, 156, 157,
4530 165, 246, 250, 3, 158, 7, 18, 29,
4531 40, 51, 62, 73, 85, 96, 107, 118,
4532 129, 140, 147, 148, 149, 150, 152, 153,
4533 255, 6, 8, 9, 10, 11, 12, 13,
4534 14, 15, 24, 25, 26, 27, 28, 226,
4535 29, 30, 31, 32, 33, 43, 44, 45,
4536 46, 47, 48, 49, 50, 76, 77, 78,
4537 79, 80, 81, 82, 83, 84, 85, 86,
4538 87, 94, 95, 234, 181, 233, 187, 190,
4539 180, 96, 97, 98, 99, 100, 101, 102,
4540 104, 112, 182, 174, 236, 232, 229, 103,
4541 228, 226, 114, 115, 116, 117, 118, 119,
4542 120, 121, 122, 235, 176, 230, 194, 162,
4543 130, 131, 132, 133, 134, 135, 136, 137,
4544 138, 139, 201, 205, 163, 217, 220, 224,
4545 5, 248, 227, 244, 242, 255, 241, 231,
4546 240, 253, 16, 197, 19, 20, 21, 187,
4547 23, 169, 210, 245, 237, 249, 247, 239,
4548 168, 252, 34, 196, 36, 37, 38, 39,
4549 41, 42, 251, 254, 238, 223, 221, 213,
4550 225, 177, 52, 53, 54, 55, 56, 57,
4551 58, 59, 60, 61, 63, 64, 65, 66,
4552 67, 68, 69, 70, 71, 72, 74, 75,
4553 205, 208, 186, 202, 200, 218, 198, 179,
4554 178, 214, 88, 89, 90, 91, 92, 93,
4555 217, 166, 170, 207, 199, 209, 206, 204,
4556 160, 212, 105, 106, 108, 109, 110, 111,
4557 203, 113, 216, 215, 192, 175, 193, 243,
4558 172, 161, 123, 124, 125, 126, 127, 128,
4559 222, 219, 211, 195, 188, 193, 185, 184,
4560 191, 183, 141, 142, 143, 144, 145, 146
4561};
4562#else /* ascii rather than ebcdic */
22c35a8c 4563EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4564 1, 2, 84, 151, 154, 155, 156, 157,
4565 165, 246, 250, 3, 158, 7, 18, 29,
4566 40, 51, 62, 73, 85, 96, 107, 118,
4567 129, 140, 147, 148, 149, 150, 152, 153,
4568 255, 182, 224, 205, 174, 176, 180, 217,
4569 233, 232, 236, 187, 235, 228, 234, 226,
4570 222, 219, 211, 195, 188, 193, 185, 184,
4571 191, 183, 201, 229, 181, 220, 194, 162,
4572 163, 208, 186, 202, 200, 218, 198, 179,
4573 178, 214, 166, 170, 207, 199, 209, 206,
4574 204, 160, 212, 216, 215, 192, 175, 173,
4575 243, 172, 161, 190, 203, 189, 164, 230,
4576 167, 248, 227, 244, 242, 255, 241, 231,
4577 240, 253, 169, 210, 245, 237, 249, 247,
4578 239, 168, 252, 251, 254, 238, 223, 221,
4579 213, 225, 177, 197, 171, 196, 159, 4,
4580 5, 6, 8, 9, 10, 11, 12, 13,
4581 14, 15, 16, 17, 19, 20, 21, 22,
4582 23, 24, 25, 26, 27, 28, 30, 31,
4583 32, 33, 34, 35, 36, 37, 38, 39,
4584 41, 42, 43, 44, 45, 46, 47, 48,
4585 49, 50, 52, 53, 54, 55, 56, 57,
4586 58, 59, 60, 61, 63, 64, 65, 66,
4587 67, 68, 69, 70, 71, 72, 74, 75,
4588 76, 77, 78, 79, 80, 81, 82, 83,
4589 86, 87, 88, 89, 90, 91, 92, 93,
4590 94, 95, 97, 98, 99, 100, 101, 102,
4591 103, 104, 105, 106, 108, 109, 110, 111,
4592 112, 113, 114, 115, 116, 117, 119, 120,
4593 121, 122, 123, 124, 125, 126, 127, 128,
4594 130, 131, 132, 133, 134, 135, 136, 137,
4595 138, 139, 141, 142, 143, 144, 145, 146
4596};
9d116dd7 4597#endif
79072805 4598#else
22c35a8c 4599EXTCONST unsigned char PL_freq[];
79072805
LW		 4600#endif
4601
8990e307
LW		 4602#ifdef DEBUGGING
4603#ifdef DOINIT
27da23d5 4604EXTCONST char* const PL_block_type[] = {
8990e307 4605 "NULL",
d01136d6 4606 "WHEN",
8990e307 4607 "BLOCK",
0d863452 4608 "GIVEN",
d01136d6
BS		 4609 "LOOP_FOR",
4610 "LOOP_PLAIN",
4611 "LOOP_LAZYSV",
4612 "LOOP_LAZYIV",
76753e7f
NC		 4613 "SUB",
4614 "FORMAT",
4615 "EVAL",
4616 "SUBST"
8990e307
LW		 4617};
4618#else
22c35a8c 4619EXTCONST char* PL_block_type[];
8990e307
LW		 4620#endif
4621#endif
4622
b75885fd
NC		 4623/* These are all the compile time options that affect binary compatibility.
4624 Other compile time options that are binary compatible are in perl.c
4625 Both are combined for the output of perl -V
4626 However, this string will be embedded in any shared perl library, which will
4627 allow us add a comparison check in perlmain.c in the near future. */
4628#ifdef DOINIT
4629EXTCONST char PL_bincompat_options[] =
4630# ifdef DEBUG_LEAKING_SCALARS
4631 " DEBUG_LEAKING_SCALARS"
4632# endif
4633# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4634 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4635# endif
4636# ifdef FAKE_THREADS
4637 " FAKE_THREADS"
4638# endif
eba804b9
NC		 4639# ifdef FCRYPT
4640 " FCRYPT"
4641# endif
4642# ifdef HAS_TIMES
4643 " HAS_TIMES"
4644# endif
4645# ifdef HAVE_INTERP_INTERN
426f6eb2 4646 " HAVE_INTERP_INTERN"
eba804b9 4647# endif
b75885fd
NC		 4648# ifdef MULTIPLICITY
4649 " MULTIPLICITY"
4650# endif
4651# ifdef MYMALLOC
4652 " MYMALLOC"
4653# endif
eba804b9
NC		 4654# ifdef PERLIO_LAYERS
4655 " PERLIO_LAYERS"
4656# endif
b75885fd
NC		 4657# ifdef PERL_DEBUG_READONLY_OPS
4658 " PERL_DEBUG_READONLY_OPS"
4659# endif
4660# ifdef PERL_GLOBAL_STRUCT
4661 " PERL_GLOBAL_STRUCT"
4662# endif
4663# ifdef PERL_IMPLICIT_CONTEXT
4664 " PERL_IMPLICIT_CONTEXT"
4665# endif
4666# ifdef PERL_IMPLICIT_SYS
4667 " PERL_IMPLICIT_SYS"
4668# endif
4669# ifdef PERL_MAD
4670 " PERL_MAD"
4671# endif
eba804b9
NC		 4672# ifdef PERL_MICRO
4673 " PERL_MICRO"
4674# endif
b75885fd
NC		 4675# ifdef PERL_NEED_APPCTX
4676 " PERL_NEED_APPCTX"
4677# endif
4678# ifdef PERL_NEED_TIMESBASE
4679 " PERL_NEED_TIMESBASE"
4680# endif
4681# ifdef PERL_OLD_COPY_ON_WRITE
4682 " PERL_OLD_COPY_ON_WRITE"
4683# endif
4684# ifdef PERL_POISON
4685 " PERL_POISON"
4686# endif
4687# ifdef PERL_TRACK_MEMPOOL
4688 " PERL_TRACK_MEMPOOL"
4689# endif
4690# ifdef PERL_USES_PL_PIDSTATUS
4691 " PERL_USES_PL_PIDSTATUS"
4692# endif
4693# ifdef PL_OP_SLAB_ALLOC
4694 " PL_OP_SLAB_ALLOC"
4695# endif
4696# ifdef THREADS_HAVE_PIDS
4697 " THREADS_HAVE_PIDS"
4698# endif
4699# ifdef USE_64_BIT_ALL
4700 " USE_64_BIT_ALL"
4701# endif
4702# ifdef USE_64_BIT_INT
4703 " USE_64_BIT_INT"
4704# endif
c7b392fa
NC		 4705# ifdef USE_IEEE
4706 " USE_IEEE"
4707# endif
b75885fd
NC		 4708# ifdef USE_ITHREADS
4709 " USE_ITHREADS"
4710# endif
4711# ifdef USE_LARGE_FILES
4712 " USE_LARGE_FILES"
4713# endif
eba804b9
NC		 4714# ifdef USE_LOCALE_COLLATE
4715 " USE_LOCALE_COLLATE"
4716# endif
4717# ifdef USE_LOCALE_NUMERIC
4718 " USE_LOCALE_NUMERIC"
4719# endif
b75885fd
NC		 4720# ifdef USE_LONG_DOUBLE
4721 " USE_LONG_DOUBLE"
4722# endif
4723# ifdef USE_PERLIO
4724 " USE_PERLIO"
4725# endif
4726# ifdef USE_REENTRANT_API
4727 " USE_REENTRANT_API"
4728# endif
4729# ifdef USE_SFIO
4730 " USE_SFIO"
4731# endif
4732# ifdef USE_SOCKS
4733 " USE_SOCKS"
4734# endif
4f575702
CB		 4735# ifdef VMS_DO_SOCKETS
4736 " VMS_DO_SOCKETS"
4f575702 4737# endif
e8b231c6
CB		 4738# ifdef VMS_SHORTEN_LONG_SYMBOLS
4739 " VMS_SHORTEN_LONG_SYMBOLS"
4740# endif
ad5e438d
NC		 4741# ifdef VMS_WE_ARE_CASE_SENSITIVE
4742 " VMS_SYMBOL_CASE_AS_IS"
4743# endif
a68dd89e 4744 "";
b75885fd
NC		 4745#else
4746EXTCONST char PL_bincompat_options[];
4747#endif
4748
ca7b837b
SM		 4749#ifndef PERL_SET_PHASE
4750# define PERL_SET_PHASE(new_phase) \
cb3f8189 4751 PHASE_CHANGE_PROBE(PL_phase_names[new_phase], PL_phase_names[PL_phase]); \
ca7b837b
SM		 4752 PL_phase = new_phase;
4753#endif
4754
9ebf26ad
FR		 4755/* The interpreter phases. If these ever change, PL_phase_names right below will
4756 * need to be updated accordingly. */
4757enum perl_phase {
4758 PERL_PHASE_CONSTRUCT = 0,
4759 PERL_PHASE_START = 1,
4760 PERL_PHASE_CHECK = 2,
4761 PERL_PHASE_INIT = 3,
4762 PERL_PHASE_RUN = 4,
4763 PERL_PHASE_END = 5,
4764 PERL_PHASE_DESTRUCT = 6
4765};
4766
4767#ifdef DOINIT
4768EXTCONST char *const PL_phase_names[] = {
4769 "CONSTRUCT",
4770 "START",
4771 "CHECK",
4772 "INIT",
4773 "RUN",
4774 "END",
4775 "DESTRUCT"
4776};
4777#else
4778EXTCONST char *const PL_phase_names[];
4779#endif
4780
627364f1
FR		 4781#ifndef PERL_CORE
4782/* Do not use this macro. It only exists for extensions that rely on PL_dirty
4783 * instead of using the newer PL_phase, which provides everything PL_dirty
4784 * provided, and more. */
4785# define PL_dirty (PL_phase == PERL_PHASE_DESTRUCT)
4786#endif /* !PERL_CORE */
4787
73c4f7a1
GS		 4788END_EXTERN_C
4789
79072805
LW		 4790/*****************************************************************************/
4791/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4792/*****************************************************************************/
8990e307 4793/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4794
d4c3c482 4795#ifdef __Lynx__
9cffb111
OS		 4796/* LynxOS defines these in scsi.h which is included via ioctl.h */
4797#ifdef FORMAT
4798#undef FORMAT
4799#endif
4800#ifdef SPACE
4801#undef SPACE
4802#endif
d4c3c482 4803#endif
9cffb111 4804
fb73857a 4805#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4806
79072805
LW		 4807typedef enum {
4808 XOPERATOR,
4809 XTERM,
79072805 4810 XREF,
8990e307 4811 XSTATE,
a0d0e21e 4812 XBLOCK,
09bef843
SB		 4813 XATTRBLOCK,
4814 XATTRTERM,
6f33ba73
RGS		 4815 XTERMBLOCK,
4816 XTERMORDORDOR /* evil hack */
27308ded 4817 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4818} expectation;
4819
d5ec2987
NC		 4820/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4821 special and there is no need for HINT_PRIVATE_MASK for COPs
4822 However, bitops store HINT_INTEGER in their op_private. */
9cfe5470
RGS		 4823#define HINT_INTEGER 0x00000001 /* integer pragma */
4824#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4825#define HINT_LOCALE 0x00000004 /* locale pragma */
4826#define HINT_BYTES 0x00000008 /* bytes pragma */
66cbab2c 4827#define HINT_LOCALE_NOT_CHARS 0x00000010 /* locale ':not_characters' pragma */
a0ed51b3 4828 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 4829 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 4830
4831#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4832#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4833#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
1863b879 4834#define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */
85e6fe83 4835
9cfe5470 4836/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4837#define HINT_NEW_INTEGER 0x00001000
4838#define HINT_NEW_FLOAT 0x00002000
4839#define HINT_NEW_BINARY 0x00004000
4840#define HINT_NEW_STRING 0x00008000
4841#define HINT_NEW_RE 0x00010000
4842#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 4843#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4844#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 4845
9cfe5470
RGS		 4846#define HINT_RE_TAINT 0x00100000 /* re pragma */
4847#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4848
9cfe5470
RGS		 4849#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4850#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4851
e46c382e
YK		 4852#define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
4853
1e215989
FC		 4854#define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */
4855
a803b9b4
FC		 4856#define HINT_FEATURE_MASK 0x1c000000 /* 3 bits for feature bundles */
4857
0239f47c 4858/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4859#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4860#define HINT_SORT_QUICKSORT 0x00000001
4861#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4862#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4863
8bfdd7d9 4864/* Various states of the input record separator SV (rs) */
d4cce5f1 4865#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4866#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4867#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4868#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4869
128e8167 4870/* A struct for keeping various DEBUGGING related stuff,
ce333219 4871 * neatly packed. Currently only scratch variables for
128e8167
JH		 4872 * constructing debug output are included. Needed always,
4873 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4874struct perl_debug_pad {
4875 SV pad[3];
4876};
4877
4878#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4879#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4880 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4881 PERL_DEBUG_PAD(i))
ce333219 4882
56953603 4883/* Enable variables which are pointers to functions */
16c91539
BM		 4884typedef void (*peep_t)(pTHX_ OP* o);
4885typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm);
4886typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg,
0cb96387
GS		 4887 char* strend, char* strbeg, I32 minend,
4888 SV* screamer, void* data, U32 flags);
16c91539 4889typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv,
f722798b
IZ		 4890 char *strpos, char *strend,
4891 U32 flags,
9f61653a 4892 re_scream_pos_data *d);
16c91539
BM		 4893typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog);
4894typedef void (*regfree_t) (pTHX_ struct regexp* r);
4895typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param);
a932d541 4896typedef I32 (*re_fold_t)(const char *, char const *, I32);
56953603 4897
c76ac1ee 4898typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc 4899typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
f30de749 4900typedef void (*SVFUNC_t) (pTHX_ SV* const);
31e9e0a3 4901typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
acfe0abc
GS		 4902typedef void (*XSINIT_t) (pTHX);
4903typedef void (*ATEXIT_t) (pTHX_ void*);
4904typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4905
16c91539
BM		 4906typedef OP* (*Perl_ppaddr_t)(pTHX);
4907typedef OP* (*Perl_check_t) (pTHX_ OP*);
4908typedef void(*Perl_ophook_t)(pTHX_ OP*);
4909typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**);
1830b3d9 4910typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *);
88e1f1a2 4911
d67594ff
FC		 4912typedef void(*globhook_t)(pTHX);
4913
88e1f1a2
JV		 4914#define KEYWORD_PLUGIN_DECLINE 0
4915#define KEYWORD_PLUGIN_STMT 1
4916#define KEYWORD_PLUGIN_EXPR 2
22239a37 4917
58a50f62
GS		 4918/* Interpreter exitlist entry */
4919typedef struct exitlistentry {
acfe0abc 4920 void (*fn) (pTHX_ void*);
58a50f62
GS		 4921 void *ptr;
4922} PerlExitListEntry;
4923
aadb217d
JH		 4924/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4925/* These have to be before perlvars.h */
4926#if !defined(HAS_SIGACTION) && defined(VMS)
4927# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4928#endif
4929/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4930#if defined(KILL_BY_SIGPRC)
4931# define FAKE_DEFAULT_SIGNAL_HANDLERS
4932#endif
4933
8c1cc017
NC		 4934#if !defined(MULTIPLICITY)
4935
4936struct interpreter {
4937 char broiled;
22239a37
NIS		 4938};
4939
8c1cc017 4940#else
22239a37 4941
d460ef45 4942/* If we have multiple interpreters define a struct
d4cce5f1 4943 holding variables which must be per-interpreter
d460ef45 4944 If we don't have threads anything that would have
d4cce5f1
NIS		 4945 be per-thread is per-interpreter.
4946*/
4947
8c1cc017 4948/* Set up PERLVAR macros for populating structs */
115ff745
NC		 4949# define PERLVAR(prefix,var,type) type prefix##var;
4950# define PERLVARA(prefix,var,n,type) type prefix##var[n];
4951# define PERLVARI(prefix,var,type,init) type prefix##var;
4952# define PERLVARIC(prefix,var,type,init) type prefix##var;
8c1cc017 4953
79072805 4954struct interpreter {
7766f137 4955# include "intrpvar.h"
49f531da 4956};
d4cce5f1 4957
724cf8d6
NC		 4958EXTCONST U16 PL_interp_size
4959 INIT(sizeof(struct interpreter));
4960
4961# define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \
4962 STRUCT_OFFSET(struct interpreter, member) + \
4963 sizeof(((struct interpreter*)0)->member)
4964
4965/* This will be useful for subsequent releases, because this has to be the
4966 same in your libperl as in main(), else you have a mismatch and must abort.
4967*/
4968EXTCONST U16 PL_interp_size_5_16_0
4969 INIT(PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_16_0_INTERP_MEMBER));
4970
4971
8c1cc017
NC		 4972# ifdef PERL_GLOBAL_STRUCT
4973/* MULTIPLICITY is automatically defined when PERL_GLOBAL_STRUCT is defined,
4974 hence it's safe and sane to nest this within #ifdef MULTIPLICITY */
4975
4976struct perl_vars {
4977# include "perlvars.h"
49f531da 4978};
8c1cc017 4979
724cf8d6
NC		 4980EXTCONST U16 PL_global_struct_size
4981 INIT(sizeof(struct perl_vars));
4982
8c1cc017
NC		 4983# ifdef PERL_CORE
4984# ifndef PERL_GLOBAL_STRUCT_PRIVATE
4985EXT struct perl_vars PL_Vars;
4986EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
4987# undef PERL_GET_VARS
4988# define PERL_GET_VARS() PL_VarsPtr
4989# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
4990# else /* PERL_CORE */
4991# if !defined(__GNUC__) || !defined(WIN32)
4992EXT
4993# endif /* WIN32 */
4994struct perl_vars *PL_VarsPtr;
4995# define PL_Vars (*((PL_VarsPtr) \
4996 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
4997# endif /* PERL_CORE */
4998# endif /* PERL_GLOBAL_STRUCT */
79072805 4999
22239a37 5000/* Done with PERLVAR macros for now ... */
8c1cc017
NC		 5001# undef PERLVAR
5002# undef PERLVARA
5003# undef PERLVARI
5004# undef PERLVARIC
8c1cc017
NC		 5005
5006#endif /* MULTIPLICITY */
79072805 5007
f7fe979e 5008struct tempsym; /* defined in pp_pack.c */
49704364 5009
22239a37 5010#include "thread.h"
79072805 5011#include "pp.h"
864dbfa3
GS		 5012
5013#ifndef PERL_CALLCONV
a0c21aa1
JH		 5014# ifdef __cplusplus
5015# define PERL_CALLCONV extern "C"
5016# else
5017# define PERL_CALLCONV
5018# endif
d460ef45 5019#endif
0cb96387
GS		 5020#undef PERL_CKDEF
5021#undef PERL_PPDEF
0159f81b
JH		 5022#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
5023#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 5024
158cfab6
JD		 5025#ifdef MYMALLOC
5026# include "malloc_ctl.h"
5027#endif
5028
7766f137 5029#include "proto.h"
864dbfa3 5030
0cb96387 5031/* this has structure inits, so it cannot be included before here */
acfe0abc 5032#include "opcode.h"
864dbfa3 5033
d4cce5f1
NIS		 5034/* The following must follow proto.h as #defines mess up syntax */
5035
22c35a8c
GS		 5036#if !defined(PERL_FOR_X2P)
5037# include "embedvar.h"
5038#endif
598921a7
NC		 5039#ifndef PERL_MAD
5040# undef PL_madskills
5041# undef PL_xmlfp
5042# define PL_madskills 0
5043# define PL_xmlfp 0
5044#endif
d4cce5f1 5045
d460ef45 5046/* Now include all the 'global' variables
d4cce5f1 5047 * If we don't have threads or multiple interpreters
d460ef45 5048 * these include variables that would have been their struct-s
d4cce5f1 5049 */
d460ef45 5050
115ff745
NC		 5051#define PERLVAR(prefix,var,type) EXT type PL_##var;
5052#define PERLVARA(prefix,var,n,type) EXT type PL_##var[n];
5053#define PERLVARI(prefix,var,type,init) EXT type PL_##var INIT(init);
5054#define PERLVARIC(prefix,var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 5055
acfe0abc 5056#if !defined(MULTIPLICITY)
7766f137 5057START_EXTERN_C
066ef5b5 5058# include "intrpvar.h"
7766f137 5059END_EXTERN_C
22239a37
NIS		 5060#endif
5061
24792b8d
NC		 5062#ifdef PERL_CORE
5063/* All core uses now exterminated. Ensure no zombies can return: */
5064# undef PL_na
5065#endif
5066
f9293c5b
NC		 5067/* Now all the config stuff is setup we can include embed.h
5068 In particular, need the relevant *ish file included already, as it may
5069 define HAVE_INTERP_INTERN */
5070#include "embed.h"
5071#ifndef PERL_MAD
5072# undef op_getmad
5073# define op_getmad(arg,pegop,slot) NOOP
acfe0abc 5074#endif
22239a37 5075
c5be433b
GS		 5076#ifndef PERL_GLOBAL_STRUCT
5077START_EXTERN_C
5078
5079# include "perlvars.h"
5080
5081END_EXTERN_C
5082#endif
5083
d4cce5f1 5084#undef PERLVAR
51371543 5085#undef PERLVARA
d4cce5f1 5086#undef PERLVARI
0f3f18a6 5087#undef PERLVARIC
79072805 5088
73c4f7a1
GS		 5089START_EXTERN_C
5090
af2f0da9
NC		 5091/* dummy variables that hold pointers to both runops functions, thus forcing
5092 * them *both* to get linked in (useful for Peek.xs, debugging etc) */
5093
5094EXTCONST runops_proc_t PL_runops_std
5095 INIT(Perl_runops_standard);
5096EXTCONST runops_proc_t PL_runops_dbg
5097 INIT(Perl_runops_debug);
5098
bc028b6b
JH		 5099/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
5100 * magic vtables const, but this is incompatible with SWIG which
5101 * does want to modify the vtables. */
5102#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5103# define EXT_MGVTBL EXTCONST MGVTBL
5104#else
5105# define EXT_MGVTBL EXT MGVTBL
5106#endif
5107
82ff486e 5108#define PERL_MAGIC_READONLY_ACCEPTABLE 0x40
e0a73de4
NC		 5109#define PERL_MAGIC_VALUE_MAGIC 0x80
5110#define PERL_MAGIC_VTABLE_MASK 0x3F
82ff486e
NC		 5111#define PERL_MAGIC_TYPE_READONLY_ACCEPTABLE(t) \
5112 (PL_magic_data[(U8)(t)] & PERL_MAGIC_READONLY_ACCEPTABLE)
e0a73de4
NC		 5113#define PERL_MAGIC_TYPE_IS_VALUE_MAGIC(t) \
5114 (PL_magic_data[(U8)(t)] & PERL_MAGIC_VALUE_MAGIC)
5115
8b09643d 5116#include "mg_vtable.h"
6f83ef0e
NC		 5117
5118#ifdef DOINIT
5119EXTCONST U8 PL_magic_data[256] =
dde5ec2c
NC		 5120# ifdef PERL_MICRO
5121# include "umg_data.h"
5122# else
5123# include "mg_data.h"
5124# endif
6f83ef0e
NC		 5125;
5126#else
5127EXTCONST U8 PL_magic_data[256];
5128#endif
5129
f1fb8741
DM		 5130#ifdef DOINIT
5131 /* NL BD IV NV PV PI PN MG RX GV LV AV HV CV FM IO */
5132EXTCONST bool
5133PL_valid_types_IVX[] = { 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
5134EXTCONST bool
5135PL_valid_types_NVX[] = { 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
5136EXTCONST bool
5137PL_valid_types_PVX[] = { 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1 };
5138EXTCONST bool
5139PL_valid_types_RV[] = { 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1 };
5140EXTCONST bool
5141PL_valid_types_IV_set[] = { 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1 };
5142EXTCONST bool
5143PL_valid_types_NV_set[] = { 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 };
5144
5145#else
5146
5147EXTCONST bool PL_valid_types_IVX[];
5148EXTCONST bool PL_valid_types_NVX[];
5149EXTCONST bool PL_valid_types_PVX[];
5150EXTCONST bool PL_valid_types_RV[];
5151EXTCONST bool PL_valid_types_IV_set[];
5152EXTCONST bool PL_valid_types_NV_set[];
5153
5154#endif
5155
5156
bab3dc31 5157#include "overload.h"
a0d0e21e 5158
73c4f7a1
GS		 5159END_EXTERN_C
5160
a6006777 5161struct am_table {
8978b4ac
NC		 5162 U8 flags;
5163 U8 fallback;
5164 U16 spare;
eb160463 5165 U32 was_ok_sub;
a0d0e21e 5166 long was_ok_am;
9bd87817 5167 CV* table[NofAMmeth];
a0d0e21e 5168};
a6006777 5169struct am_table_short {
8978b4ac
NC		 5170 U8 flags;
5171 U8 fallback;
5172 U16 spare;
eb160463 5173 U32 was_ok_sub;
a6006777 5174 long was_ok_am;
a6006777 5175};
a0d0e21e 5176typedef struct am_table AMT;
a6006777 5177typedef struct am_table_short AMTS;
a0d0e21e
LW		 5178
5179#define AMGfallNEVER 1
5180#define AMGfallNO 2
5181#define AMGfallYES 3
5182
a6006777 5183#define AMTf_AMAGIC 1
32251b26 5184#define AMTf_OVERLOADED 2
a6006777 5185#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5186#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5187#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 5188#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
5189#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
5190#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 5191
32251b26 5192#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5193
5194/*
5195 * some compilers like to redefine cos et alia as faster
5196 * (and less accurate?) versions called F_cos et cetera (Quidquid
5197 * latine dictum sit, altum viditur.) This trick collides with
5198 * the Perl overloading (amg). The following #defines fool both.
5199 */
5200
5201#ifdef _FASTMATH
5202# ifdef atan2
5203# define F_atan2_amg atan2_amg
5204# endif
5205# ifdef cos
5206# define F_cos_amg cos_amg
5207# endif
5208# ifdef exp
5209# define F_exp_amg exp_amg
5210# endif
5211# ifdef log
5212# define F_log_amg log_amg
5213# endif
5214# ifdef pow
5215# define F_pow_amg pow_amg
5216# endif
5217# ifdef sin
5218# define F_sin_amg sin_amg
5219# endif
5220# ifdef sqrt
5221# define F_sqrt_amg sqrt_amg
5222# endif
5223#endif /* _FASTMATH */
5224
83ee9e09
GS		 5225#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5226 PERLDBf_NOOPT | PERLDBf_INTER | \
5227 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
b8fcbefe
NC		 5228 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5229 PERLDBf_SAVESRC)
925cfbb8 5230 /* No _NONAME, _GOTO */
83ee9e09
GS		 5231#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5232#define PERLDBf_LINE 0x02 /* Keep line # */
5233#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5234#define PERLDBf_INTER 0x08 /* Preserve more data for
5235 later inspections */
5236#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5237#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5238#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5239#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5240#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5241#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
b8fcbefe 5242#define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
486ec47a 5243#define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */
c30d8139 5244#define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
84902520 5245
3280af22
NIS		 5246#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5247#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5248#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5249#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5250#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5251#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5252#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5253#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5254#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5255#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
b8fcbefe 5256#define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC))
c30d8139
NC		 5257#define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS))
5258#define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID))
bbce6d69 5259
36477c24 5260#ifdef USE_LOCALE_NUMERIC
bbce6d69 5261
36477c24 5262#define SET_NUMERIC_STANDARD() \
ff4fed7c 5263 set_numeric_standard();
36477c24 5264
5265#define SET_NUMERIC_LOCAL() \
ff4fed7c 5266 set_numeric_local();
bbce6d69 5267
66cbab2c
KW		 5268/* Returns non-zero If the plain locale pragma without a parameter is in effect
5269 */
a98fe34d 5270#define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE)
66cbab2c
KW		 5271
5272/* Returns non-zero If either form of the locale pragma is in effect */
5273#define IN_SOME_LOCALE_FORM_RUNTIME \
5274 (CopHINTS_get(PL_curcop) & (HINT_LOCALE|HINT_LOCALE_NOT_CHARS))
5275
2de3dbcc 5276#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
66cbab2c
KW		 5277#define IN_SOME_LOCALE_FORM_COMPILETIME \
5278 (PL_hints & (HINT_LOCALE|HINT_LOCALE_NOT_CHARS))
2de3dbcc
JH		 5279
5280#define IN_LOCALE \
923e4eb5 5281 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
66cbab2c
KW		 5282#define IN_SOME_LOCALE_FORM \
5283 (IN_PERL_COMPILETIME ? IN_SOME_LOCALE_FORM_COMPILETIME \
5284 : IN_SOME_LOCALE_FORM_RUNTIME)
2de3dbcc 5285
f93f4e46 5286#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 5287 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 5288 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 5289
5290#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 5291 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 5292 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 5293
5294#define RESTORE_NUMERIC_LOCAL() \
5295 if (was_local) SET_NUMERIC_LOCAL();
5296
5297#define RESTORE_NUMERIC_STANDARD() \
5298 if (was_standard) SET_NUMERIC_STANDARD();
5299
5b877257 5300#define Atof my_atof
097ee67d 5301
36477c24 5302#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5303
097ee67d
JH		 5304#define SET_NUMERIC_STANDARD() /**/
5305#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5306#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5307#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5308#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 5309#define RESTORE_NUMERIC_LOCAL() /**/
5310#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 5311#define Atof my_atof
ad3e0f90 5312#define IN_LOCALE_RUNTIME 0
bbce6d69 5313
36477c24 5314#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5315
079290de 5316#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5317# ifdef __hpux
5318# define strtoll __strtoll /* secret handshake */
5319# endif
c623ac67
GS		 5320# ifdef WIN64
5321# define strtoll _strtoi64 /* secret handshake */
5322# endif
079290de
GS		 5323# if !defined(Strtol) && defined(HAS_STRTOLL)
5324# define Strtol strtoll
ad551343 5325# endif
28e5dec8
JH		 5326# if !defined(Strtol) && defined(HAS_STRTOQ)
5327# define Strtol strtoq
5328# endif
ff935051 5329/* is there atoq() anywhere? */
15b99d39 5330#endif
079290de
GS		 5331#if !defined(Strtol) && defined(HAS_STRTOL)
5332# define Strtol strtol
5333#endif
5334#ifndef Atol
5335/* It would be more fashionable to use Strtol() to define atol()
5336 * (as is done for Atoul(), see below) but for backward compatibility
5337 * we just assume atol(). */
76b882ba 5338# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 5339# ifdef WIN64
5340# define atoll _atoi64 /* secret handshake */
5341# endif
76b882ba
JH		 5342# define Atol atoll
5343# else
5344# define Atol atol
5345# endif
cf2093f6
JH		 5346#endif
5347
55eb892c 5348#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5349# ifdef __hpux
5350# define strtoull __strtoull /* secret handshake */
5351# endif
c623ac67
GS		 5352# ifdef WIN64
5353# define strtoull _strtoui64 /* secret handshake */
5354# endif
ad551343 5355# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5356# define Strtoul strtoull
15b99d39 5357# endif
079290de
GS		 5358# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5359# define Strtoul strtouq
5360# endif
76d49b1c 5361/* is there atouq() anywhere? */
ad551343 5362#endif
079290de
GS		 5363#if !defined(Strtoul) && defined(HAS_STRTOUL)
5364# define Strtoul strtoul
cf2093f6 5365#endif
a5523c5b
JH		 5366#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5367# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5368#endif
079290de 5369#ifndef Atoul
d4c19fe8 5370# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5371#endif
cf2093f6 5372
760ac839 5373
06d86050
GS		 5374/* if these never got defined, they need defaults */
5375#ifndef PERL_SET_CONTEXT
5376# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5377#endif
5378
5379#ifndef PERL_GET_CONTEXT
5380# define PERL_GET_CONTEXT PERL_GET_INTERP
5381#endif
5382
5383#ifndef PERL_GET_THX
5384# define PERL_GET_THX ((void*)NULL)
5385#endif
5386
5387#ifndef PERL_SET_THX
5388# define PERL_SET_THX(t) NOOP
5389#endif
5390
a868473f
NIS		 5391#ifndef PERL_SCRIPT_MODE
5392#define PERL_SCRIPT_MODE "r"
5393#endif
5394
fba3b22e 5395/*
da927450
JH		 5396 * Some operating systems are stingy with stack allocation,
5397 * so perl may have to guard against stack overflow.
5398 */
5399#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5400#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5401#endif
5402
5403/*
5404 * Some nonpreemptive operating systems find it convenient to
5405 * check for asynchronous conditions after each op execution.
5406 * Keep this check simple, or it may slow down execution
5407 * massively.
5408 */
ce08f86c 5409
1d615522 5410#ifndef PERL_MICRO
4ffa73a3 5411# ifndef PERL_ASYNC_CHECK
16c91539 5412# define PERL_ASYNC_CHECK() if (PL_sig_pending) PL_signalhook(aTHX)
4ffa73a3 5413# endif
ce08f86c
NIS		 5414#endif
5415
da927450 5416#ifndef PERL_ASYNC_CHECK
1d615522 5417# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5418#endif
5419
5420/*
5421 * On some operating systems, a memory allocation may succeed,
5422 * but put the process too close to the system's comfort limit.
5423 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5424 * it to NULL.
5425 */
5426#ifndef PERL_ALLOC_CHECK
c2af87cb 5427#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5428#endif
5429
bd89102f
AD		 5430#ifdef HAS_SEM
5431# include <sys/ipc.h>
5432# include <sys/sem.h>
5433# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5434 union semun {
dbba660d
TC		 5435 int val;
5436 struct semid_ds *buf;
5437 unsigned short *array;
bd89102f
AD		 5438 };
5439# endif
5440# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5441# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5442 union gccbug_semun {
5443 int val;
5444 struct semid_ds *buf;
5445 unsigned short *array;
5446 char __dummy[5];
5447 };
5448# define semun gccbug_semun
5449# endif
bd89102f
AD		 5450# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5451# else
5452# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5453# ifdef EXTRA_F_IN_SEMUN_BUF
5454# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5455# else
5456# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5457# endif
bd89102f
AD		 5458# endif
5459# endif
bd89102f 5460#endif
49f531da 5461
89ca4ac7
JH		 5462/*
5463 * Boilerplate macros for initializing and accessing interpreter-local
5464 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 5465 * this, if you want to make the extension thread-safe. See
5466 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5467 * and perlxs.pod for more.
89ca4ac7
JH		 5468 *
5469 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5470 * 1. #define MY_CXT_KEY to a unique string, e.g.
5471 * "DynaLoader::_guts" XS_VERSION
f16dd614 5472 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5473 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5474 * all the data that needs to be interpreter-local.
5475 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5476 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5477 * (typically put in the BOOT: section).
5478 * 5. Use the members of the my_cxt_t structure everywhere as
5479 * MY_CXT.member.
5480 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5481 * access MY_CXT.
5482 */
5483
fc958cd2 5484#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 5485
4eddb856 5486/* START_MY_CXT must appear in all extensions that define a my_cxt_t structure,
53d44271
JH		 5487 * right after the definition (i.e. at file scope). The non-threads
5488 * case below uses it to declare the data as static. */
00ab59c9
DM		 5489# ifdef PERL_GLOBAL_STRUCT_PRIVATE
5490# define START_MY_CXT
5491# define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5492# define MY_CXT_INIT_ARG MY_CXT_KEY
5493# else
5494# define START_MY_CXT static int my_cxt_index = -1;
5495# define MY_CXT_INDEX my_cxt_index
5496# define MY_CXT_INIT_ARG &my_cxt_index
5497# endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
53d44271
JH		 5498
5499/* Creates and zeroes the per-interpreter data.
5500 * (We allocate my_cxtp in a Perl SV so that it will be released when
5501 * the interpreter goes away.) */
00ab59c9 5502# define MY_CXT_INIT \
53d44271 5503 my_cxt_t *my_cxtp = \
27cbf00a 5504 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t))
00ab59c9 5505# define MY_CXT_INIT_INTERP(my_perl) \
53d44271 5506 my_cxt_t *my_cxtp = \
27cbf00a 5507 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t))
53d44271
JH		 5508
5509/* This declaration should be used within all functions that use the
5510 * interpreter-local data. */
00ab59c9 5511# define dMY_CXT \
53d44271 5512 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
00ab59c9 5513# define dMY_CXT_INTERP(my_perl) \
53d44271
JH		 5514 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5515
5516/* Clones the per-interpreter data. */
00ab59c9 5517# define MY_CXT_CLONE \
53d44271
JH		 5518 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5519 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5520 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5521
53d44271 5522
89ca4ac7
JH		 5523/* This macro must be used to access members of the my_cxt_t structure.
5524 * e.g. MYCXT.some_data */
00ab59c9 5525# define MY_CXT (*my_cxtp)
89ca4ac7
JH		 5526
5527/* Judicious use of these macros can reduce the number of times dMY_CXT
5528 * is used. Use is similar to pTHX, aTHX etc. */
00ab59c9
DM		 5529# define pMY_CXT my_cxt_t *my_cxtp
5530# define pMY_CXT_ pMY_CXT,
5531# define _pMY_CXT ,pMY_CXT
5532# define aMY_CXT my_cxtp
5533# define aMY_CXT_ aMY_CXT,
5534# define _aMY_CXT ,aMY_CXT
89ca4ac7 5535
f16dd614 5536#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7 5537
00ab59c9
DM		 5538# define START_MY_CXT static my_cxt_t my_cxt;
5539# define dMY_CXT_SV dNOOP
5540# define dMY_CXT dNOOP
5541# define dMY_CXT_INTERP(my_perl) dNOOP
5542# define MY_CXT_INIT NOOP
5543# define MY_CXT_CLONE NOOP
5544# define MY_CXT my_cxt
5545
5546# define pMY_CXT void
5547# define pMY_CXT_
5548# define _pMY_CXT
5549# define aMY_CXT
5550# define aMY_CXT_
5551# define _aMY_CXT
89ca4ac7 5552
f16dd614 5553#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5554
9a34ef1d
GS		 5555#ifdef I_FCNTL
5556# include <fcntl.h>
9a34ef1d
GS		 5557#endif
5558
9cffb111
OS		 5559#ifdef __Lynx__
5560# include <fcntl.h>
5561#endif
5562
9a34ef1d
GS		 5563#ifdef I_SYS_FILE
5564# include <sys/file.h>
5565#endif
5566
fa0a29af 5567#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5568int flock(int fd, int op);
5569#endif
5570
fe52b3b7
GS		 5571#ifndef O_RDONLY
5572/* Assume UNIX defaults */
5573# define O_RDONLY 0000
5574# define O_WRONLY 0001
5575# define O_RDWR 0002
5576# define O_CREAT 0100
5577#endif
9a34ef1d 5578
16fe6d59
GS		 5579#ifndef O_BINARY
5580# define O_BINARY 0
5581#endif
5582
5583#ifndef O_TEXT
5584# define O_TEXT 0
5585#endif
5586
6ce75a77
JH		 5587#if O_TEXT != O_BINARY
5588 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5589 * that is, you are somehow DOSish. */
df00ff3b
IW		 5590# if defined(__BEOS__) || defined(__HAIKU__) || defined(__VOS__) || \
5591 defined(__CYGWIN__)
5592 /* BeOS/Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5593 * BeOS/Haiku is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5594 /* VOS has O_TEXT != O_BINARY, and they have effect,
5595 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5596 /* If you have O_TEXT different from your O_BINARY but you still are
5597 * not a CRLF shop. */
35990314 5598# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5599# else
5600 /* If you really are DOSish. */
5601# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5602# endif
5603#endif
5604
4bc88a62
PS		 5605#ifdef I_LIBUTIL
5606# include <libutil.h> /* setproctitle() in some FreeBSDs */
5607#endif
5608
b4748376 5609#ifndef EXEC_ARGV_CAST
360ea906 5610#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 5611#endif
5612
dd5dc04f
JH		 5613#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5614 int). value returned in pointed-
5615 to UV */
5616#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5617#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5618#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5619#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5620#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5621
5622#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5623
53305cf1
NC		 5624/* Input flags: */
5625#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5626#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5627#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
02470786
KW		 5628#define PERL_SCAN_SILENT_NON_PORTABLE 0x08 /* grok_??? not warn about very large
5629 numbers which are <= UV_MAX */
53305cf1
NC		 5630/* Output flags: */
5631#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5632
2c4f7f0e
DM		 5633/* to let user control profiling */
5634#ifdef PERL_GPROF_CONTROL
5635extern void moncontrol(int);
5636#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5637#else
5638#define PERL_GPROF_MONCONTROL(x)
5639#endif
5640
ae0e3d3b
JH		 5641#ifdef UNDER_CE
5642#include "wince.h"
5643#endif
5644
5645/* ISO 6429 NEL - C1 control NExt Line */
5646/* See http://www.unicode.org/unicode/reports/tr13/ */
5647#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
5648# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
5649# define NEXT_LINE_CHAR 0x15
5650# else /* CDRA */
5651# define NEXT_LINE_CHAR 0x25
5652# endif
5653#else
5654# define NEXT_LINE_CHAR 0x85
5655#endif
5656
5657/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5658#define UNICODE_LINE_SEPA_0 0xE2
5659#define UNICODE_LINE_SEPA_1 0x80
5660#define UNICODE_LINE_SEPA_2 0xA8
5661#define UNICODE_PARA_SEPA_0 0xE2
5662#define UNICODE_PARA_SEPA_1 0x80
5663#define UNICODE_PARA_SEPA_2 0xA9
5664
479b2847
GS		 5665#ifndef PIPESOCK_MODE
5666# define PIPESOCK_MODE
5667#endif
5668
460c8493
IZ		 5669#ifndef SOCKET_OPEN_MODE
5670# define SOCKET_OPEN_MODE PIPESOCK_MODE
5671#endif
5672
5673#ifndef PIPE_OPEN_MODE
5674# define PIPE_OPEN_MODE PIPESOCK_MODE
5675#endif
5676
7e8c5dac
HS		 5677#define PERL_MAGIC_UTF8_CACHESIZE 2
5678
a05d7ebb
JH		 5679#define PERL_UNICODE_STDIN_FLAG 0x0001
5680#define PERL_UNICODE_STDOUT_FLAG 0x0002
5681#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5682#define PERL_UNICODE_IN_FLAG 0x0008
5683#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5684#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5685#define PERL_UNICODE_LOCALE_FLAG 0x0040
5686#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 5687#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 5688
06e66572
JH		 5689#define PERL_UNICODE_STD_FLAG \
5690 (PERL_UNICODE_STDIN_FLAG | \
5691 PERL_UNICODE_STDOUT_FLAG | \
5692 PERL_UNICODE_STDERR_FLAG)
5693
5694#define PERL_UNICODE_INOUT_FLAG \
5695 (PERL_UNICODE_IN_FLAG | \
5696 PERL_UNICODE_OUT_FLAG)
5697
5698#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5699 (PERL_UNICODE_STD_FLAG | \
5700 PERL_UNICODE_INOUT_FLAG | \
5701 PERL_UNICODE_LOCALE_FLAG)
5702
5a22a2bb 5703#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 5704
5705#define PERL_UNICODE_STDIN 'I'
5706#define PERL_UNICODE_STDOUT 'O'
5707#define PERL_UNICODE_STDERR 'E'
5708#define PERL_UNICODE_STD 'S'
5709#define PERL_UNICODE_IN 'i'
5710#define PERL_UNICODE_OUT 'o'
5711#define PERL_UNICODE_INOUT 'D'
5712#define PERL_UNICODE_ARGV 'A'
5713#define PERL_UNICODE_LOCALE 'L'
5714#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 5715#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 5716
4ffa73a3
JH		 5717#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5718
32fdb065 5719/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5720 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5721#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5722
3c0f78ca
JH		 5723#if defined(__DECC) && defined(__osf__)
5724#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 5725#endif
5726
e4dba786
NC		 5727#define do_open(g, n, l, a, rm, rp, sf) \
5728 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 5729#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 5730# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 5731#endif
15871fce
NC		 5732#ifdef OS2
5733# define do_aexec Perl_do_aexec
5734#else
5735# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 5736#endif
e4dba786 5737
2f3efc97
JH		 5738#if defined(OEMVS)
5739#define NO_ENV_ARRAY_IN_MAIN
5740#endif
5741
00f254e2
KW		 5742/* These are used by Perl_pv_escape() and Perl_pv_pretty()
5743 * are here so that they are available throughout the core
10edeb5d
JH		 5744 * NOTE that even though some are for _escape and some for _pretty
5745 * there must not be any clashes as the flags from _pretty are
5746 * passed straight through to _escape.
5747 */
5748
5749#define PERL_PV_ESCAPE_QUOTE 0x0001
5750#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
5751
95b611b0 5752#define PERL_PV_PRETTY_ELLIPSES 0x0002
10edeb5d
JH		 5753#define PERL_PV_PRETTY_LTGT 0x0004
5754
5755#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
5756
00f254e2 5757#define PERL_PV_ESCAPE_UNI 0x0100
10edeb5d 5758#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
681f01c2 5759#define PERL_PV_ESCAPE_NONASCII 0x0400
10edeb5d
JH		 5760
5761#define PERL_PV_ESCAPE_ALL 0x1000
5762#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
5763#define PERL_PV_ESCAPE_NOCLEAR 0x4000
44a2ac75 5764#define PERL_PV_ESCAPE_RE 0x8000
10edeb5d 5765
881a015e
NC		 5766#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
5767
10edeb5d 5768/* used by pv_display in dump.c*/
95b611b0 5769#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
c89df6cf 5770#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII
10edeb5d
JH		 5771
5772/*
5773
5774 (KEEP THIS LAST IN perl.h!)
5775
5776 Mention
d460ef45 5777
43999f95 5778 NV_PRESERVES_UV
fe749a9f 5779
fe749a9f
JH		 5780 HAS_MKSTEMP
5781 HAS_MKSTEMPS
5782 HAS_MKDTEMP
5783
49dabb45
JH		 5784 HAS_GETCWD
5785
d59b5429 5786 HAS_MMAP
fe749a9f
JH		 5787 HAS_MPROTECT
5788 HAS_MSYNC
1e8c3fde 5789 HAS_MADVISE
fe749a9f
JH		 5790 HAS_MUNMAP
5791 I_SYSMMAN
5792 Mmap_t
5793
6b4667fc
A		 5794 NVef
5795 NVff
5796 NVgf
5797
4e0554ec 5798 HAS_UALARM
2d736872 5799 HAS_USLEEP
4e0554ec
JH		 5800
5801 HAS_SETITIMER
5802 HAS_GETITIMER
5803
5804 HAS_SENDMSG
5805 HAS_RECVMSG
5806 HAS_READV
5807 HAS_WRITEV
5808 I_SYSUIO
5809 HAS_STRUCT_MSGHDR
5810 HAS_STRUCT_CMSGHDR
5811
2765b840 5812 HAS_NL_LANGINFO
0a7020c9 5813
ae0e3d3b 5814 HAS_DIRFD
2765b840 5815
10edeb5d 5816 so that Configure picks them up.
ab3bbdeb 5817
10edeb5d 5818 (KEEP THIS LAST IN perl.h!)
3df15adc 5819
10edeb5d 5820*/
3df15adc 5821
85e6fe83 5822#endif /* Include guard */
e9a8c099
MHM		 5823
5824/*
5825 * Local variables:
5826 * c-indentation-style: bsd
5827 * c-basic-offset: 4
5828 * indent-tabs-mode: t
5829 * End:
5830 *
5831 * ex: set ts=8 sts=4 sw=4 noet:
5832 */
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