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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. */
7db66e12
CB		 362#ifdef __cplusplus
363#define dNOOP (void)0
364#else
64a8239e 365#define dNOOP extern int Perl___notused(void)
7db66e12 366#endif
71be2cbc 367
0cb96387 368#ifndef pTHX
e8dda941
JD		 369/* Don't bother defining tTHX and sTHX; using them outside
370 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
371 */
0cb96387
GS		 372# define pTHX void
373# define pTHX_
0cb96387
GS		 374# define aTHX
375# define aTHX_
0cb96387
GS		 376# define dTHXa(a) dNOOP
377# define dTHX dNOOP
894356b3
GS		 378# define pTHX_1 1
379# define pTHX_2 2
380# define pTHX_3 3
381# define pTHX_4 4
3d42dc86
RGS		 382# define pTHX_5 5
383# define pTHX_6 6
a3b680e6
AL		 384# define pTHX_7 7
385# define pTHX_8 8
386# define pTHX_9 9
0cb96387
GS		 387#endif
388
27da23d5
JH		 389#ifndef dVAR
390# define dVAR dNOOP
391#endif
392
b4f7f263
GS		 393/* these are only defined for compatibility; should not be used internally */
394#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 395# define pTHXo pTHX
396# define pTHXo_ pTHX_
0cb96387
GS		 397# define aTHXo aTHX
398# define aTHXo_ aTHX_
c5be433b 399# define dTHXo dTHX
71d280e3 400# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 401#endif
402
403#ifndef pTHXx
404# define pTHXx register PerlInterpreter *my_perl
405# define pTHXx_ pTHXx,
0cb96387
GS		 406# define aTHXx my_perl
407# define aTHXx_ aTHXx,
c5be433b 408# define dTHXx dTHX
22c35a8c 409#endif
71be2cbc 410
1de7c2ac
GS		 411/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
412 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
413 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
414#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 415# ifdef PERL_GLOBAL_STRUCT_PRIVATE
416# define dTHXs dVAR; dTHX
417# else
418# define dTHXs dTHX
419# endif
1de7c2ac 420#else
27da23d5
JH		 421# ifdef PERL_GLOBAL_STRUCT_PRIVATE
422# define dTHXs dVAR
423# else
424# define dTHXs dNOOP
425# endif
1de7c2ac
GS		 426#endif
427
27da23d5
JH		 428/* Some platforms require marking function declarations
429 * for them to be exportable. Used in perlio.h, proto.h
430 * is handled either by the makedef.pl or by defining the
431 * PERL_CALLCONV to be something special. See also the
432 * definition of XS() in XSUB.h. */
433#ifndef PERL_EXPORT_C
a0c21aa1
JH		 434# ifdef __cplusplus
435# define PERL_EXPORT_C extern "C"
436# else
437# define PERL_EXPORT_C extern
438# endif
27da23d5
JH		 439#endif
440#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 441# ifdef __cplusplus
442# define PERL_XS_EXPORT_C extern "C"
443# else
444# define PERL_XS_EXPORT_C
445# endif
27da23d5
JH		 446#endif
447
462e5cf6
MB		 448#ifdef OP_IN_REGISTER
449# ifdef __GNUC__
450# define stringify_immed(s) #s
451# define stringify(s) stringify_immed(s)
d1ca3daa 452register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 453# endif
454#endif
455
e5afc1ae 456/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 457 * g++ allows them but seems to have problems with them
70aab261
RB		 458 * (insane errors ensue).
459 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
460 */
461#if defined(PERL_GCC_PEDANTIC) || \
462 (defined(__GNUC__) && defined(__cplusplus) && \
463 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 464# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 465# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
466# endif
5dc8bdac
JH		 467#endif
468
5b692037
JH		 469#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
470# ifndef PERL_USE_GCC_BRACE_GROUPS
471# define PERL_USE_GCC_BRACE_GROUPS
472# endif
473#endif
474
728e2803 475/*
476 * STMT_START { statements; } STMT_END;
477 * can be used as a single statement, as in
478 * if (x) STMT_START { ... } STMT_END; else ...
479 *
480 * Trying to select a version that gives no warnings...
481 */
482#if !(defined(STMT_START) && defined(STMT_END))
5b692037 483# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 484# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 485# define STMT_END )
486# else
487 /* Now which other defined()s do we need here ??? */
93189314 488# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 489# define STMT_START if (1)
490# define STMT_END else (void)0
491# else
492# define STMT_START do
493# define STMT_END while (0)
494# endif
495# endif
496#endif
497
d6f9c181
JH		 498#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
499# define BYTEORDER 0x1234
79072805
LW		 500#endif
501
502/* Overall memory policy? */
503#ifndef CONSERVATIVE
504# define LIBERAL 1
505#endif
506
8ada0baa
JH		 507#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
508#define ASCIIish
509#else
510#undef ASCIIish
511#endif
512
79072805
LW		 513/*
514 * The following contortions are brought to you on behalf of all the
515 * standards, semi-standards, de facto standards, not-so-de-facto standards
516 * of the world, as well as all the other botches anyone ever thought of.
517 * The basic theory is that if we work hard enough here, the rest of the
518 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
519 */
ac58e20f 520
ee0007ab 521/* define this once if either system, instead of cluttering up the src */
2986a63f 522#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 523#define DOSISH 1
524#endif
525
fb38d079 526#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 527# define STANDARD_C 1
528#endif
529
9969cdde 530#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 531# define DONT_DECLARE_STD 1
532#endif
533
352d5a3a 534#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 535# define VOL volatile
663a0e37 536#else
79072805 537# define VOL
663a0e37
LW		 538#endif
539
3280af22
NIS		 540#define TAINT (PL_tainted = TRUE)
541#define TAINT_NOT (PL_tainted = FALSE)
542#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
543#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 544#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 545
20be6587
DM		 546/* flags used internally only within pp_subst and pp_substcont */
547#ifdef PERL_CORE
548# define SUBST_TAINT_STR 1 /* string tainted */
549# define SUBST_TAINT_PAT 2 /* pattern tainted */
550# define SUBST_TAINT_REPL 4 /* replacement tainted */
551# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
552# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
553#endif
554
d460ef45 555/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 556 defines move there? If so, I could simplify this a lot. --AD 9/96.
557*/
558/* Process group stuff changed from traditional BSD to POSIX.
559 perlfunc.pod documents the traditional BSD-style syntax, so we'll
560 try to preserve that, if possible.
561*/
562#ifdef HAS_SETPGID
563# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 564#else
a6e633de 565# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
566# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
567# else
568# ifdef HAS_SETPGRP2 /* DG/UX */
569# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
570# endif
571# endif
572#endif
573#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
574# define HAS_SETPGRP /* Well, effectively it does . . . */
575#endif
576
577/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
578 our life easier :-) so we'll try it.
579*/
580#ifdef HAS_GETPGID
581# define BSD_GETPGRP(pid) getpgid((pid))
582#else
583# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
584# define BSD_GETPGRP(pid) getpgrp((pid))
585# else
586# ifdef HAS_GETPGRP2 /* DG/UX */
587# define BSD_GETPGRP(pid) getpgrp2((pid))
588# endif
589# endif
590#endif
591#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
592# define HAS_GETPGRP /* Well, effectively it does . . . */
593#endif
594
d460ef45 595/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 596 have different behaviors, but perl.h used to define USE_BSDPGRP
597 (prior to 5.003_05) so some extension might depend on it.
598*/
599#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
600# ifndef USE_BSDPGRP
601# define USE_BSDPGRP
602# endif
663a0e37
LW		 603#endif
604
486ec47a 605/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH		 606 pthread.h must be included before all other header files.
607*/
3db8f154 608#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 609# include <pthread.h>
610#endif
611
760ac839
LW		 612#ifndef _TYPES_ /* If types.h defines this it's easy. */
613# ifndef major /* Does everyone's types.h define this? */
614# include <sys/types.h>
c07a80fd 615# endif
663a0e37
LW		 616#endif
617
760ac839
LW		 618#ifdef __cplusplus
619# ifndef I_STDARG
620# define I_STDARG 1
621# endif
622#endif
623
624#ifdef I_STDARG
625# include <stdarg.h>
626#else
627# ifdef I_VARARGS
628# include <varargs.h>
629# endif
630#endif
631
4633a7c4 632#ifdef USE_NEXT_CTYPE
0c30d9ec 633
092bebab
JH		 634#if NX_CURRENT_COMPILER_RELEASE >= 500
635# include <bsd/ctypes.h>
636#else
637# if NX_CURRENT_COMPILER_RELEASE >= 400
638# include <objc/NXCType.h>
639# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
640# include <appkit/NXCType.h>
641# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
642#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 643
644#else /* !USE_NEXT_CTYPE */
fe14fcc3 645#include <ctype.h>
0c30d9ec 646#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 647
648#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
649#undef METHOD
a0d0e21e
LW		 650#endif
651
12ae5dfc
JH		 652#ifdef PERL_MICRO
653# define NO_LOCALE
654#endif
655
4633a7c4 656#ifdef I_LOCALE
36477c24 657# include <locale.h>
4633a7c4
LW		 658#endif
659
36477c24 660#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
661# define USE_LOCALE
662# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
663 && defined(HAS_STRXFRM)
664# define USE_LOCALE_COLLATE
665# endif
666# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
667# define USE_LOCALE_CTYPE
668# endif
669# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
670# define USE_LOCALE_NUMERIC
671# endif
672#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 673
fe14fcc3 674#include <setjmp.h>
79072805 675
a0d0e21e 676#ifdef I_SYS_PARAM
79072805
LW		 677# ifdef PARAM_NEEDS_TYPES
678# include <sys/types.h>
679# endif
680# include <sys/param.h>
352d5a3a 681#endif
79072805 682
79072805 683/* Use all the "standard" definitions? */
a0d0e21e 684#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 685# include <stdlib.h>
ff68c719 686#endif
03a14243 687
3f270f98
JH		 688/* If this causes problems, set i_unistd=undef in the hint file. */
689#ifdef I_UNISTD
690# include <unistd.h>
691#endif
692
de8ca8af
NT		 693/* for WCOREDUMP */
694#ifdef I_SYS_WAIT
695# include <sys/wait.h>
696#endif
697
9969cdde 698#ifdef __SYMBIAN32__
27da23d5
JH		 699# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
700#endif
701
7114a2d2 702#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 703EXTERN_C int syscall(int, ...);
2ef53570
JH		 704#endif
705
7114a2d2 706#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 707EXTERN_C int usleep(unsigned int);
2ef53570
JH		 708#endif
709
9c12f1e5
RGS		 710/* Funky places that do not have socket stuff. */
711#if defined(__LIBCATAMOUNT__)
712# define MYSWAP
713#endif
714
9a34ef1d
GS		 715#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
716# define MYSWAP
717#endif
718
1109a392
MHM		 719#ifdef PERL_CORE
720
721/* macros for correct constant construction */
722# if INTSIZE >= 2
723# define U16_CONST(x) ((U16)x##U)
724# else
725# define U16_CONST(x) ((U16)x##UL)
726# endif
727
728# if INTSIZE >= 4
729# define U32_CONST(x) ((U32)x##U)
730# else
731# define U32_CONST(x) ((U32)x##UL)
732# endif
733
734# ifdef HAS_QUAD
735# if INTSIZE >= 8
736# define U64_CONST(x) ((U64)x##U)
737# elif LONGSIZE >= 8
738# define U64_CONST(x) ((U64)x##UL)
739# elif QUADKIND == QUAD_IS_LONG_LONG
740# define U64_CONST(x) ((U64)x##ULL)
741# else /* best guess we can make */
742# define U64_CONST(x) ((U64)x##UL)
743# endif
744# endif
745
746/* byte-swapping functions for big-/little-endian conversion */
747# define _swab_16_(x) ((U16)( \
748 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
749 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
750
751# define _swab_32_(x) ((U32)( \
752 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
753 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
754 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
755 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
756
757# ifdef HAS_QUAD
758# define _swab_64_(x) ((U64)( \
759 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
760 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
761 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
762 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
763 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
764 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
765 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
766 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
767# endif
768
769/*----------------------------------------------------------------------------*/
770# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
771/*----------------------------------------------------------------------------*/
772# define my_htole16(x) (x)
773# define my_letoh16(x) (x)
774# define my_htole32(x) (x)
775# define my_letoh32(x) (x)
776# define my_htobe16(x) _swab_16_(x)
777# define my_betoh16(x) _swab_16_(x)
778# define my_htobe32(x) _swab_32_(x)
779# define my_betoh32(x) _swab_32_(x)
780# ifdef HAS_QUAD
781# define my_htole64(x) (x)
782# define my_letoh64(x) (x)
783# define my_htobe64(x) _swab_64_(x)
784# define my_betoh64(x) _swab_64_(x)
785# endif
786# define my_htoles(x) (x)
787# define my_letohs(x) (x)
788# define my_htolei(x) (x)
789# define my_letohi(x) (x)
790# define my_htolel(x) (x)
791# define my_letohl(x) (x)
792# if SHORTSIZE == 1
793# define my_htobes(x) (x)
794# define my_betohs(x) (x)
795# elif SHORTSIZE == 2
796# define my_htobes(x) _swab_16_(x)
797# define my_betohs(x) _swab_16_(x)
798# elif SHORTSIZE == 4
799# define my_htobes(x) _swab_32_(x)
800# define my_betohs(x) _swab_32_(x)
801# elif SHORTSIZE == 8
802# define my_htobes(x) _swab_64_(x)
803# define my_betohs(x) _swab_64_(x)
804# else
805# define PERL_NEED_MY_HTOBES
806# define PERL_NEED_MY_BETOHS
807# endif
808# if INTSIZE == 1
809# define my_htobei(x) (x)
810# define my_betohi(x) (x)
811# elif INTSIZE == 2
812# define my_htobei(x) _swab_16_(x)
813# define my_betohi(x) _swab_16_(x)
814# elif INTSIZE == 4
815# define my_htobei(x) _swab_32_(x)
816# define my_betohi(x) _swab_32_(x)
817# elif INTSIZE == 8
818# define my_htobei(x) _swab_64_(x)
819# define my_betohi(x) _swab_64_(x)
820# else
821# define PERL_NEED_MY_HTOBEI
822# define PERL_NEED_MY_BETOHI
823# endif
824# if LONGSIZE == 1
825# define my_htobel(x) (x)
826# define my_betohl(x) (x)
827# elif LONGSIZE == 2
828# define my_htobel(x) _swab_16_(x)
829# define my_betohl(x) _swab_16_(x)
830# elif LONGSIZE == 4
831# define my_htobel(x) _swab_32_(x)
832# define my_betohl(x) _swab_32_(x)
833# elif LONGSIZE == 8
834# define my_htobel(x) _swab_64_(x)
835# define my_betohl(x) _swab_64_(x)
836# else
837# define PERL_NEED_MY_HTOBEL
838# define PERL_NEED_MY_BETOHL
839# endif
840# define my_htolen(p,n) NOOP
841# define my_letohn(p,n) NOOP
842# define my_htoben(p,n) my_swabn(p,n)
843# define my_betohn(p,n) my_swabn(p,n)
844/*----------------------------------------------------------------------------*/
845# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
846/*----------------------------------------------------------------------------*/
847# define my_htobe16(x) (x)
848# define my_betoh16(x) (x)
849# define my_htobe32(x) (x)
850# define my_betoh32(x) (x)
851# define my_htole16(x) _swab_16_(x)
852# define my_letoh16(x) _swab_16_(x)
853# define my_htole32(x) _swab_32_(x)
854# define my_letoh32(x) _swab_32_(x)
855# ifdef HAS_QUAD
856# define my_htobe64(x) (x)
857# define my_betoh64(x) (x)
858# define my_htole64(x) _swab_64_(x)
859# define my_letoh64(x) _swab_64_(x)
860# endif
861# define my_htobes(x) (x)
862# define my_betohs(x) (x)
863# define my_htobei(x) (x)
864# define my_betohi(x) (x)
865# define my_htobel(x) (x)
866# define my_betohl(x) (x)
867# if SHORTSIZE == 1
868# define my_htoles(x) (x)
869# define my_letohs(x) (x)
870# elif SHORTSIZE == 2
871# define my_htoles(x) _swab_16_(x)
872# define my_letohs(x) _swab_16_(x)
873# elif SHORTSIZE == 4
874# define my_htoles(x) _swab_32_(x)
875# define my_letohs(x) _swab_32_(x)
876# elif SHORTSIZE == 8
877# define my_htoles(x) _swab_64_(x)
878# define my_letohs(x) _swab_64_(x)
879# else
880# define PERL_NEED_MY_HTOLES
881# define PERL_NEED_MY_LETOHS
882# endif
883# if INTSIZE == 1
884# define my_htolei(x) (x)
885# define my_letohi(x) (x)
886# elif INTSIZE == 2
887# define my_htolei(x) _swab_16_(x)
888# define my_letohi(x) _swab_16_(x)
889# elif INTSIZE == 4
890# define my_htolei(x) _swab_32_(x)
891# define my_letohi(x) _swab_32_(x)
892# elif INTSIZE == 8
893# define my_htolei(x) _swab_64_(x)
894# define my_letohi(x) _swab_64_(x)
895# else
896# define PERL_NEED_MY_HTOLEI
897# define PERL_NEED_MY_LETOHI
898# endif
899# if LONGSIZE == 1
900# define my_htolel(x) (x)
901# define my_letohl(x) (x)
902# elif LONGSIZE == 2
903# define my_htolel(x) _swab_16_(x)
904# define my_letohl(x) _swab_16_(x)
905# elif LONGSIZE == 4
906# define my_htolel(x) _swab_32_(x)
907# define my_letohl(x) _swab_32_(x)
908# elif LONGSIZE == 8
909# define my_htolel(x) _swab_64_(x)
910# define my_letohl(x) _swab_64_(x)
911# else
912# define PERL_NEED_MY_HTOLEL
913# define PERL_NEED_MY_LETOHL
914# endif
915# define my_htolen(p,n) my_swabn(p,n)
916# define my_letohn(p,n) my_swabn(p,n)
917# define my_htoben(p,n) NOOP
918# define my_betohn(p,n) NOOP
919/*----------------------------------------------------------------------------*/
920# else /* all other byte-orders */
921/*----------------------------------------------------------------------------*/
922# define PERL_NEED_MY_HTOLE16
923# define PERL_NEED_MY_LETOH16
924# define PERL_NEED_MY_HTOBE16
925# define PERL_NEED_MY_BETOH16
926# define PERL_NEED_MY_HTOLE32
927# define PERL_NEED_MY_LETOH32
928# define PERL_NEED_MY_HTOBE32
929# define PERL_NEED_MY_BETOH32
930# ifdef HAS_QUAD
931# define PERL_NEED_MY_HTOLE64
932# define PERL_NEED_MY_LETOH64
933# define PERL_NEED_MY_HTOBE64
934# define PERL_NEED_MY_BETOH64
935# endif
936# define PERL_NEED_MY_HTOLES
937# define PERL_NEED_MY_LETOHS
938# define PERL_NEED_MY_HTOBES
939# define PERL_NEED_MY_BETOHS
940# define PERL_NEED_MY_HTOLEI
941# define PERL_NEED_MY_LETOHI
942# define PERL_NEED_MY_HTOBEI
943# define PERL_NEED_MY_BETOHI
944# define PERL_NEED_MY_HTOLEL
945# define PERL_NEED_MY_LETOHL
946# define PERL_NEED_MY_HTOBEL
947# define PERL_NEED_MY_BETOHL
948/*----------------------------------------------------------------------------*/
949# endif /* end of byte-order macros */
950/*----------------------------------------------------------------------------*/
951
9c17f24a
NC		 952/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
953 at least on FreeBSD. YMMV, so experiment. */
954#ifndef PERL_ARENA_SIZE
955#define PERL_ARENA_SIZE 4080
956#endif
957
ccb2c8b8 958/* Maximum level of recursion */
2b9dff67
RGS		 959#ifndef PERL_SUB_DEPTH_WARN
960#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 961#endif
962
1109a392
MHM		 963#endif /* PERL_CORE */
964
bdf3085f
NC		 965/* We no longer default to creating a new SV for GvSV.
966 Do this before embed. */
967#ifndef PERL_CREATE_GVSV
7459f06b
NC		 968# ifndef PERL_DONT_CREATE_GVSV
969# define PERL_DONT_CREATE_GVSV
970# endif
bdf3085f
NC		 971#endif
972
ca0c25f6
NC		 973#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
974#define PERL_USES_PL_PIDSTATUS
975#endif
976
e37778c2 977#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__)
a62746fa
RGS		 978#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
979#endif
980
c31fac66
GS		 981#define MEM_SIZE Size_t
982
1936d2a7
NC		 983/* Round all values passed to malloc up, by default to a multiple of
984 sizeof(size_t)
985*/
986#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
987#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
988#endif
989
f1200559
WH		 990/* sv_grow() will expand strings by at least a certain percentage of
991 the previously *used* length to avoid excessive calls to realloc().
992 The default is 25% of the current length.
993*/
994#ifndef PERL_STRLEN_EXPAND_SHIFT
995# define PERL_STRLEN_EXPAND_SHIFT 2
996#endif
997
51371543
GS		 998#if defined(STANDARD_C) && defined(I_STDDEF)
999# include <stddef.h>
1000# define STRUCT_OFFSET(s,m) offsetof(s,m)
1001#else
1002# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
1003#endif
1004
9969cdde 1005#ifndef __SYMBIAN32__
27da23d5
JH		 1006# if defined(I_STRING) || defined(__cplusplus)
1007# include <string.h>
1008# else
1009# include <strings.h>
1010# endif
51371543
GS		 1011#endif
1012
55497cff 1013/* This comes after <stdlib.h> so we don't try to change the standard
1014 * library prototypes; we'll use our own in proto.h instead. */
03a14243 1015
4633a7c4 1016#ifdef MYMALLOC
86058a2d 1017# ifdef PERL_POLLUTE_MALLOC
ee13e175 1018# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 1019# define Perl_malloc malloc
1020# define Perl_calloc calloc
1021# define Perl_realloc realloc
1022# define Perl_mfree free
ee13e175 1023# endif
86058a2d
GS		 1024# else
1025# define EMBEDMYMALLOC /* for compatibility */
1026# endif
827e134a 1027
651b9576
GS		 1028# define safemalloc Perl_malloc
1029# define safecalloc Perl_calloc
1030# define saferealloc Perl_realloc
1031# define safefree Perl_mfree
22f7c9c9
JH		 1032# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1033 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1034 code; \
1035 } STMT_END
1036# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1037 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1038# define panic_write2(s) write(2, s, strlen(s))
1039# define CHECK_MALLOC_TAINT(newval) \
1040 CHECK_MALLOC_TOO_LATE_FOR_( \
1041 if (newval) { \
1042 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1043 exit(1); })
22f7c9c9 1044# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1045 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 1046 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1047 }} STMT_END;
f2517201
GS		 1048#else /* MYMALLOC */
1049# define safemalloc safesysmalloc
1050# define safecalloc safesyscalloc
1051# define saferealloc safesysrealloc
1052# define safefree safesysfree
22f7c9c9
JH		 1053# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1054# define CHECK_MALLOC_TAINT(newval) ((void)0)
1055# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1056#endif /* MYMALLOC */
4633a7c4 1057
fe13d51d 1058/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 1059#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		 1060#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1061#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1062#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1063
a0d0e21e
LW		 1064#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1065#define strchr index
1066#define strrchr rindex
1067#endif
1068
16d20bd9
AD		 1069#ifdef I_MEMORY
1070# include <memory.h>
1071#endif
1072
fe14fcc3 1073#ifdef HAS_MEMCPY
85e6fe83 1074# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1075# ifndef memcpy
20ce7b12 1076 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 1077# endif
1078# endif
1079#else
1080# ifndef memcpy
1081# ifdef HAS_BCOPY
1082# define memcpy(d,s,l) bcopy(s,d,l)
1083# else
1084# define memcpy(d,s,l) my_bcopy(s,d,l)
1085# endif
1086# endif
1087#endif /* HAS_MEMCPY */
fe14fcc3 1088
ee0007ab 1089#ifdef HAS_MEMSET
85e6fe83 1090# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1091# ifndef memset
20ce7b12 1092 extern char *memset (char*, int, int);
ee0007ab
LW		 1093# endif
1094# endif
ee0007ab 1095#else
12ae5dfc 1096# undef memset
fc36a67e 1097# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1098#endif /* HAS_MEMSET */
1099
85e6fe83 1100#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1101# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1102# define memmove(d,s,l) bcopy(s,d,l)
1103# else
2304df62 1104# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1105# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1106# else
79072805 1107# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1108# endif
352d5a3a 1109# endif
d9d8d8de 1110#endif
ee0007ab 1111
36477c24 1112#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1113# undef HAS_MEMCMP
1114#endif
1115
1116#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1117# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1118# ifndef memcmp
20ce7b12 1119 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1120# endif
1121# endif
36477c24 1122# ifdef BUGGY_MSC
7e4e8c89 1123# pragma function(memcmp)
36477c24 1124# endif
ee0007ab
LW		 1125#else
1126# ifndef memcmp
ecfc5424 1127# define memcmp my_memcmp
352d5a3a 1128# endif
36477c24 1129#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1130
fc36a67e 1131#ifndef memzero
c635e13b 1132# ifdef HAS_MEMSET
1133# define memzero(d,l) memset(d,0,l)
79072805 1134# else
c635e13b 1135# ifdef HAS_BZERO
1136# define memzero(d,l) bzero(d,l)
79072805 1137# else
fc36a67e 1138# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1139# endif
1140# endif
d9d8d8de 1141#endif
378cc40b 1142
2f42fcb0 1143#ifndef PERL_MICRO
0f27ced1
JH		 1144#ifndef memchr
1145# ifndef HAS_MEMCHR
1146# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1147# endif
1148#endif
2f42fcb0 1149#endif
0f27ced1 1150
36477c24 1151#ifndef HAS_BCMP
1152# ifndef bcmp
1153# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1154# endif
36477c24 1155#endif /* !HAS_BCMP */
378cc40b 1156
ae986130 1157#ifdef I_NETINET_IN
79072805 1158# include <netinet/in.h>
ae986130
LW		 1159#endif
1160
28e8609d
JH		 1161#ifdef I_ARPA_INET
1162# include <arpa/inet.h>
1163#endif
1164
84902520
TB		 1165#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1166/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1167 * (the neo-BSD seem to do this). */
1168# undef SF_APPEND
1169#endif
1170
1aef975c 1171#ifdef I_SYS_STAT
84902520 1172# include <sys/stat.h>
1aef975c 1173#endif
79072805 1174
287a962e
JD		 1175/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1176 This definition should ideally go into win32/win32.h, but S_IFIFO is
1177 used later here in perl.h before win32/win32.h is being included. */
1178#if !defined(S_IFIFO) && defined(_S_IFIFO)
1179# define S_IFIFO _S_IFIFO
1180#endif
1181
a0d0e21e
LW		 1182/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1183 like UTekV) are broken, sometimes giving false positives. Undefine
1184 them here and let the code below set them to proper values.
1185
1186 The ghs macro stands for GreenHills Software C-1.8.5 which
1187 is the C compiler for sysV88 and the various derivatives.
1188 This header file bug is corrected in gcc-2.5.8 and later versions.
1189 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1190
1191#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1192# undef S_ISDIR
1193# undef S_ISCHR
1194# undef S_ISBLK
1195# undef S_ISREG
1196# undef S_ISFIFO
1197# undef S_ISLNK
ee0007ab 1198#endif
135863df 1199
663a0e37
LW		 1200#ifdef I_TIME
1201# include <time.h>
ffed7fef 1202#endif
663a0e37 1203
fe14fcc3 1204#ifdef I_SYS_TIME
85e6fe83 1205# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1206# define KERNEL
1207# endif
1208# include <sys/time.h>
85e6fe83 1209# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1210# undef KERNEL
1211# endif
a687059c 1212#endif
135863df 1213
55497cff 1214#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1215# include <sys/times.h>
d9d8d8de 1216#endif
8d063cd8 1217
fe14fcc3 1218#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1219# undef HAS_STRERROR
663a0e37
LW		 1220#endif
1221
1222#include <errno.h>
1e743fda 1223
acfe0abc 1224#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1225# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1226#endif
1227
8cfab5ff 1228/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1229 * This is important for using IPv6.
8cfab5ff
JH		 1230 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1231 * a bad idea since it breaks send() and recv(). */
1232#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1233# define _SOCKADDR_LEN
1234#endif
1235
da70cfc6 1236#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH		 1237# include <sys/socket.h>
1238# if defined(USE_SOCKS) && defined(I_SOCKS)
1239# if !defined(INCLUDE_PROTOTYPES)
1240# define INCLUDE_PROTOTYPES /* for <socks.h> */
1241# define PERL_SOCKS_NEED_PROTOTYPES
1242# endif
1243# include <socks.h>
1244# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1245# undef INCLUDE_PROTOTYPES
1246# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1247# endif
d460ef45 1248# endif
1e743fda 1249# ifdef I_NETDB
2986a63f
JH		 1250# ifdef NETWARE
1251# include<stdio.h>
1252# endif
1e743fda
JH		 1253# include <netdb.h>
1254# endif
1255# ifndef ENOTSOCK
1256# ifdef I_NET_ERRNO
1257# include <net/errno.h>
1258# endif
1259# endif
1260#endif
1261
fa0a29af 1262/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1263 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1264 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1265#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1266# if defined(__THROW) && defined(__GLIBC__)
1267int sockatmark(int) __THROW;
1268# else
2ef53570 1269int sockatmark(int);
29820b6d 1270# endif
2ef53570
JH		 1271#endif
1272
7e827271 1273#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		 1274EXTERN_C int fchdir(int);
1275EXTERN_C int flock(int, int);
1276EXTERN_C int fseeko(FILE *, off_t, int);
1277EXTERN_C off_t ftello(FILE *);
1278#endif
1279
7e827271 1280#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1281EXTERN_C char *crypt(const char *, const char *);
7e827271 1282EXTERN_C char **environ;
1ccb7c8d
JH		 1283#endif
1284
83a6ff2e 1285#if defined(__cplusplus)
944c4fda 1286# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1287EXTERN_C char **environ;
83a6ff2e 1288# elif defined(__CYGWIN__)
667e2948
SP		 1289EXTERN_C char *crypt(const char *, const char *);
1290#endif
83a6ff2e 1291#endif
667e2948 1292
1e743fda
JH		 1293#ifdef SETERRNO
1294# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1295#endif
f86702cc 1296
1297#ifdef VMS
1298# define SETERRNO(errcode,vmserrcode) \
1299 STMT_START { \
1300 set_errno(errcode); \
1301 set_vaxc_errno(vmserrcode); \
1302 } STMT_END
4ee39169
CS		 1303# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1304# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1305# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1306# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1307
93189314
JH		 1308# define LIB_INVARG LIB$_INVARG
1309# define RMS_DIR RMS$_DIR
1310# define RMS_FAC RMS$_FAC
1311# define RMS_FEX RMS$_FEX
1312# define RMS_FNF RMS$_FNF
1313# define RMS_IFI RMS$_IFI
1314# define RMS_ISI RMS$_ISI
1315# define RMS_PRV RMS$_PRV
1316# define SS_ACCVIO SS$_ACCVIO
1317# define SS_DEVOFFLINE SS$_DEVOFFLINE
1318# define SS_IVCHAN SS$_IVCHAN
1319# define SS_NORMAL SS$_NORMAL
748a9306 1320#else
aba27d88 1321# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS		 1322# define dSAVEDERRNO int saved_errno
1323# define dSAVE_ERRNO int saved_errno = errno
1324# define SAVE_ERRNO (saved_errno = errno)
1325# define RESTORE_ERRNO (errno = saved_errno)
1326
93189314
JH		 1327# define LIB_INVARG 0
1328# define RMS_DIR 0
1329# define RMS_FAC 0
1330# define RMS_FEX 0
1331# define RMS_FNF 0
1332# define RMS_IFI 0
1333# define RMS_ISI 0
1334# define RMS_PRV 0
1335# define SS_ACCVIO 0
1336# define SS_DEVOFFLINE 0
1337# define SS_IVCHAN 0
1338# define SS_NORMAL 0
748a9306 1339#endif
ed6116ce 1340
f5fa9033 1341#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC		 1342
1343#define CLEAR_ERRSV() STMT_START { \
1344 if (!GvSV(PL_errgv)) { \
1345 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1346 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1347 SvREFCNT_dec(GvSV(PL_errgv)); \
1348 GvSV(PL_errgv) = newSVpvs(""); \
1349 } else { \
1350 SV *const errsv = GvSV(PL_errgv); \
1351 sv_setpvs(errsv, ""); \
1352 if (SvMAGICAL(errsv)) { \
1353 mg_free(errsv); \
1354 } \
1355 SvPOK_only(errsv); \
1356 } \
1357 } STMT_END
1358
1359
414bf5ae
MHM		 1360#ifdef PERL_CORE
1361# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC		 1362# define DEFSV_set(sv) \
1363 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1364# define SAVE_DEFSV \
1365 ( \
1366 save_gp(PL_defgv, 0), \
1367 GvINTRO_off(PL_defgv), \
1368 SAVEGENERICSV(GvSV(PL_defgv)), \
1369 GvSV(PL_defgv) = NULL \
1370 )
414bf5ae
MHM		 1371#else
1372# define DEFSV GvSVn(PL_defgv)
55b5114f
FC		 1373# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1374# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1375#endif
38a03e6e 1376
98eae8f5
GS		 1377#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1378
55497cff 1379#ifndef errno
5ff3f7a4
GS		 1380 extern int errno; /* ANSI allows errno to be an lvalue expr.
1381 * For example in multithreaded environments
1382 * something like this might happen:
1383 * extern int *_errno(void);
1384 * #define errno (*_errno()) */
d9d8d8de 1385#endif
663a0e37 1386
2304df62 1387#ifdef HAS_STRERROR
2242159b 1388#ifndef DONT_DECLARE_STD
a0d0e21e 1389# ifdef VMS
20ce7b12 1390 char *strerror (int,...);
a0d0e21e 1391# else
20ce7b12 1392 char *strerror (int);
a0d0e21e 1393# endif
2242159b 1394#endif
2304df62
AD		 1395# ifndef Strerror
1396# define Strerror strerror
1397# endif
1398#else
1399# ifdef HAS_SYS_ERRLIST
79072805
LW		 1400 extern int sys_nerr;
1401 extern char *sys_errlist[];
2304df62
AD		 1402# ifndef Strerror
1403# define Strerror(e) \
79072805 1404 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1405# endif
79072805 1406# endif
35c8bce7 1407#endif
663a0e37 1408
2304df62 1409#ifdef I_SYS_IOCTL
79072805
LW		 1410# ifndef _IOCTL_
1411# include <sys/ioctl.h>
1412# endif
a687059c
LW		 1413#endif
1414
ee0007ab 1415#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1416# ifdef HAS_SOCKETPAIR
1417# undef HAS_SOCKETPAIR
1418# endif
2304df62
AD		 1419# ifdef I_NDBM
1420# undef I_NDBM
79072805 1421# endif
a687059c
LW		 1422#endif
1423
02fc2eee
NC		 1424#ifndef HAS_SOCKETPAIR
1425# ifdef HAS_SOCKET
1426# define socketpair Perl_my_socketpair
1427# endif
1428#endif
1429
a687059c 1430#if INTSIZE == 2
79072805
LW		 1431# define htoni htons
1432# define ntohi ntohs
a687059c 1433#else
79072805
LW		 1434# define htoni htonl
1435# define ntohi ntohl
a687059c
LW		 1436#endif
1437
a0d0e21e 1438/* Configure already sets Direntry_t */
35c8bce7 1439#if defined(I_DIRENT)
663a0e37 1440# include <dirent.h>
8f1f23e8
W		 1441 /* NeXT needs dirent + sys/dir.h */
1442# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1443# include <sys/dir.h>
1444# endif
ae986130 1445#else
fe14fcc3 1446# ifdef I_SYS_NDIR
79a0689e 1447# include <sys/ndir.h>
663a0e37 1448# else
fe14fcc3 1449# ifdef I_SYS_DIR
79a0689e
LW		 1450# ifdef hp9000s500
1451# include <ndir.h> /* may be wrong in the future */
1452# else
1453# include <sys/dir.h>
1454# endif
663a0e37
LW		 1455# endif
1456# endif
4633a7c4 1457#endif
a687059c 1458
12ae5dfc
JH		 1459#ifdef PERL_MICRO
1460# ifndef DIR
1461# define DIR void
1462# endif
1463#endif
1464
352d5a3a
LW		 1465#ifdef FPUTS_BOTCH
1466/* work around botch in SunOS 4.0.1 and 4.0.2 */
1467# ifndef fputs
79072805 1468# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1469# endif
1470#endif
1471
c623bd54
LW		 1472/*
1473 * The following gobbledygook brought to you on behalf of __STDC__.
1474 * (I could just use #ifndef __STDC__, but this is more bulletproof
1475 * in the face of half-implementations.)
1476 */
1477
7114a2d2 1478#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1479#include <sys/mode.h>
1480#endif
1481
c623bd54
LW		 1482#ifndef S_IFMT
1483# ifdef _S_IFMT
1484# define S_IFMT _S_IFMT
1485# else
1486# define S_IFMT 0170000
1487# endif
1488#endif
1489
1490#ifndef S_ISDIR
1491# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1492#endif
1493
1494#ifndef S_ISCHR
1495# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1496#endif
1497
1498#ifndef S_ISBLK
fe14fcc3
LW		 1499# ifdef S_IFBLK
1500# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1501# else
1502# define S_ISBLK(m) (0)
1503# endif
c623bd54
LW		 1504#endif
1505
1506#ifndef S_ISREG
1507# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1508#endif
1509
1510#ifndef S_ISFIFO
fe14fcc3
LW		 1511# ifdef S_IFIFO
1512# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1513# else
1514# define S_ISFIFO(m) (0)
1515# endif
c623bd54
LW		 1516#endif
1517
1518#ifndef S_ISLNK
1519# ifdef _S_ISLNK
1520# define S_ISLNK(m) _S_ISLNK(m)
1521# else
1522# ifdef _S_IFLNK
1523# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1524# else
1525# ifdef S_IFLNK
1526# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1527# else
1528# define S_ISLNK(m) (0)
1529# endif
1530# endif
1531# endif
1532#endif
1533
1534#ifndef S_ISSOCK
1535# ifdef _S_ISSOCK
1536# define S_ISSOCK(m) _S_ISSOCK(m)
1537# else
1538# ifdef _S_IFSOCK
1539# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1540# else
1541# ifdef S_IFSOCK
1542# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1543# else
1544# define S_ISSOCK(m) (0)
1545# endif
1546# endif
1547# endif
1548#endif
1549
1550#ifndef S_IRUSR
1551# ifdef S_IREAD
1552# define S_IRUSR S_IREAD
1553# define S_IWUSR S_IWRITE
1554# define S_IXUSR S_IEXEC
1555# else
1556# define S_IRUSR 0400
1557# define S_IWUSR 0200
1558# define S_IXUSR 0100
1559# endif
fac7cdfc
JS		 1560#endif
1561
1562#ifndef S_IRGRP
1563# ifdef S_IRUSR
1564# define S_IRGRP (S_IRUSR>>3)
1565# define S_IWGRP (S_IWUSR>>3)
1566# define S_IXGRP (S_IXUSR>>3)
1567# else
1568# define S_IRGRP 0040
1569# define S_IWGRP 0020
1570# define S_IXGRP 0010
1571# endif
1572#endif
1573
1574#ifndef S_IROTH
1575# ifdef S_IRUSR
1576# define S_IROTH (S_IRUSR>>6)
1577# define S_IWOTH (S_IWUSR>>6)
1578# define S_IXOTH (S_IXUSR>>6)
1579# else
1580# define S_IROTH 0040
1581# define S_IWOTH 0020
1582# define S_IXOTH 0010
1583# endif
c623bd54
LW		 1584#endif
1585
1586#ifndef S_ISUID
1587# define S_ISUID 04000
1588#endif
1589
1590#ifndef S_ISGID
1591# define S_ISGID 02000
1592#endif
1593
ca6e1c26
JH		 1594#ifndef S_IRWXU
1595# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1596#endif
ca6e1c26
JH		 1597
1598#ifndef S_IRWXG
1599# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1600#endif
ca6e1c26
JH		 1601
1602#ifndef S_IRWXO
1603# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1604#endif
ca6e1c26 1605
df00ff3b 1606/* BeOS 5.0 and Haiku R1 seem to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1607 * which would get included through <sys/file.h >, but that is 3000
1608 * lines in the future. --jhi */
1609
df00ff3b 1610#if !defined(S_IREAD) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1611# define S_IREAD S_IRUSR
1612#endif
1613
df00ff3b 1614#if !defined(S_IWRITE) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1615# define S_IWRITE S_IWUSR
1616#endif
1617
1618#ifndef S_IEXEC
1619# define S_IEXEC S_IXUSR
1620#endif
1621
79072805
LW		 1622#ifdef ff_next
1623# undef ff_next
352d5a3a
LW		 1624#endif
1625
a0d0e21e 1626#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1627# define SLOPPYDIVIDE
1628#endif
1629
748a9306
LW		 1630#ifdef UV
1631#undef UV
1632#endif
1633
c89df6bf
JH		 1634#ifdef SPRINTF_E_BUG
1635# define sprintf UTS_sprintf_wrap
1636#endif
1637
ce582cee
NC		 1638/* For the times when you want the return value of sprintf, and you want it
1639 to be the length. Can't have a thread variable passed in, because C89 has
1640 no varargs macros.
1641*/
1642#ifdef SPRINTF_RETURNS_STRLEN
1643# define my_sprintf sprintf
1644#else
1645# define my_sprintf Perl_my_sprintf
1646#endif
1647
5b692037
JH		 1648/*
1649 * If we have v?snprintf() and the C99 variadic macros, we can just
1650 * use just the v?snprintf(). It is nice to try to trap the buffer
1651 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1652 * gcc statement expressions, then use the function wrappers which try
1653 * to trap the overflow. If we can use the gcc statement expressions,
1654 * we can try that even with the version that uses the C99 variadic
1655 * macros.
5b692037
JH		 1656 */
1657
1208b3dd
JH		 1658/* Note that we do not check against snprintf()/vsnprintf() returning
1659 * negative values because that is non-standard behaviour and we use
1660 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1661 * that should be true only if the snprintf()/vsnprintf() are true
1662 * to the standard. */
1663
dfeee9b1 1664#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1665# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1666# define my_snprintf(buffer, len, ...) ({ int __len__ = snprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (len)) Perl_croak_nocontext("panic: snprintf buffer overflow"); __len__; })
1208b3dd 1667# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1668# else
1669# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1670# endif
1671#else
1672# define my_snprintf Perl_my_snprintf
1208b3dd 1673# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1674#endif
1675
dfeee9b1 1676#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1677# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1678# define my_vsnprintf(buffer, len, ...) ({ int __len__ = vsnprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (len)) Perl_croak_nocontext("panic: vsnprintf buffer overflow"); __len__; })
1208b3dd 1679# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1680# else
1681# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1682# endif
1683#else
1684# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1685# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1686#endif
d9fad198 1687
a6cc4119
SP		 1688#ifdef HAS_STRLCAT
1689# define my_strlcat strlcat
1690#else
1691# define my_strlcat Perl_my_strlcat
1692#endif
1693
1694#ifdef HAS_STRLCPY
1695# define my_strlcpy strlcpy
1696#else
1697# define my_strlcpy Perl_my_strlcpy
1698#endif
1699
c495e728
JH		 1700/* Configure gets this right but the UTS compiler gets it wrong.
1701 -- Hal Morris <hom00@utsglobal.com> */
1702#ifdef UTS
1703# undef UVTYPE
1704# define UVTYPE unsigned
1705#endif
1706
05f13f53 1707/*
27d4fb96 1708 The IV type is supposed to be long enough to hold any integral
1709 value or a pointer.
1710 --Andy Dougherty August 1996
1711*/
1712
a22e52b9
JH		 1713typedef IVTYPE IV;
1714typedef UVTYPE UV;
8175356b 1715
10cc9d2a 1716#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1717# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1718# define IV_MAX INT64_MAX
1719# define IV_MIN INT64_MIN
1720# define UV_MAX UINT64_MAX
cae7ae48
JH		 1721# ifndef UINT64_MIN
1722# define UINT64_MIN 0
1723# endif
5ff3f7a4
GS		 1724# define UV_MIN UINT64_MIN
1725# else
1726# define IV_MAX PERL_QUAD_MAX
1727# define IV_MIN PERL_QUAD_MIN
1728# define UV_MAX PERL_UQUAD_MAX
1729# define UV_MIN PERL_UQUAD_MIN
1730# endif
cf2093f6
JH		 1731# define IV_IS_QUAD
1732# define UV_IS_QUAD
79072805 1733#else
8175356b 1734# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1735# define IV_MAX INT32_MAX
1736# define IV_MIN INT32_MIN
716026f9
DL		 1737# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1738# define UV_MAX UINT32_MAX
1739# else
1740# define UV_MAX 4294967295U
1741# endif
cae7ae48
JH		 1742# ifndef UINT32_MIN
1743# define UINT32_MIN 0
1744# endif
5ff3f7a4
GS		 1745# define UV_MIN UINT32_MIN
1746# else
1747# define IV_MAX PERL_LONG_MAX
1748# define IV_MIN PERL_LONG_MIN
1749# define UV_MAX PERL_ULONG_MAX
1750# define UV_MIN PERL_ULONG_MIN
1751# endif
8175356b 1752# if IVSIZE == 8
cf2093f6
JH		 1753# define IV_IS_QUAD
1754# define UV_IS_QUAD
de1c2614
JH		 1755# ifndef HAS_QUAD
1756# define HAS_QUAD
1757# endif
cf2093f6
JH		 1758# else
1759# undef IV_IS_QUAD
1760# undef UV_IS_QUAD
de1c2614 1761# undef HAS_QUAD
cf2093f6 1762# endif
79072805 1763#endif
d7d93a81 1764
1109a392
MHM		 1765#ifndef HAS_QUAD
1766# undef PERL_NEED_MY_HTOLE64
1767# undef PERL_NEED_MY_LETOH64
1768# undef PERL_NEED_MY_HTOBE64
1769# undef PERL_NEED_MY_BETOH64
1770#endif
1771
6cde8aec 1772#if defined(uts) || defined(UTS)
11afe549
HM		 1773# undef UV_MAX
1774# define UV_MAX (4294967295u)
20601011
JH		 1775#endif
1776
cae7ae48 1777#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1778#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1779
28e5dec8 1780#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1781#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1782#endif
1783
d460ef45 1784/*
26bb67e2
JH		 1785 * The macros INT2PTR and NUM2PTR are (despite their names)
1786 * bi-directional: they will convert int/float to or from pointers.
1787 * However the conversion to int/float are named explicitly:
1788 * PTR2IV, PTR2UV, PTR2NV.
1789 *
1790 * For int conversions we do not need two casts if pointers are
1791 * the same size as IV and UV. Otherwise we need an explicit
1792 * cast (PTRV) to avoid compiler warnings.
1793 */
56431972
RB		 1794#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1795# define PTRV UV
1796# define INT2PTR(any,d) (any)(d)
1797#else
d460ef45 1798# if PTRSIZE == LONGSIZE
56431972 1799# define PTRV unsigned long
e91e3b10 1800# define PTR2ul(p) (unsigned long)(p)
42718184 1801# else
56431972 1802# define PTRV unsigned
42718184 1803# endif
e91e3b10
RB		 1804#endif
1805
1806#ifndef INT2PTR
56431972 1807# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1808#endif
e91e3b10
RB		 1809
1810#ifndef PTR2ul
1811# define PTR2ul(p) INT2PTR(unsigned long,p)
1812#endif
1813
56431972
RB		 1814#define NUM2PTR(any,d) (any)(PTRV)(d)
1815#define PTR2IV(p) INT2PTR(IV,p)
1816#define PTR2UV(p) INT2PTR(UV,p)
1817#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1818#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1819
8141890a
JH		 1820/* According to strict ANSI C89 one cannot freely cast between
1821 * data pointers and function (code) pointers. There are at least
1822 * two ways around this. One (used below) is to do two casts,
1823 * first the other pointer to an (unsigned) integer, and then
1824 * the integer to the other pointer. The other way would be
1825 * to use unions to "overlay" the pointers. For an example of
1826 * the latter technique, see union dirpu in struct xpvio in sv.h.
1827 * The only feasible use is probably temporarily storing
1828 * function pointers in a data pointer (such as a void pointer). */
1829
e91e3b10
RB		 1830#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1831#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1832
65202027 1833#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1834# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1835# define LONG_DOUBLE_EQUALS_DOUBLE
1836# endif
68d4903c 1837# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1838# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1839# endif
1840#endif
1841
2d4389e4
JH		 1842#ifdef OVR_DBL_DIG
1843/* Use an overridden DBL_DIG */
1844# ifdef DBL_DIG
1845# undef DBL_DIG
1846# endif
1847# define DBL_DIG OVR_DBL_DIG
1848#else
1849/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1850 default value for printing floating point numbers in Gconvert
1851 (see config.h). (It also has other uses, such as figuring out if
1852 a given precision of printing can be done with a double instead of
1853 a long double - Allen).
2d4389e4
JH		 1854*/
1855#ifdef I_LIMITS
1856#include <limits.h>
1857#endif
1858#ifdef I_FLOAT
1859#include <float.h>
1860#endif
1861#ifndef HAS_DBL_DIG
1862#define DBL_DIG 15 /* A guess that works lots of places */
1863#endif
1864#endif
1865
1866#ifdef OVR_LDBL_DIG
1867/* Use an overridden LDBL_DIG */
1868# ifdef LDBL_DIG
1869# undef LDBL_DIG
1870# endif
1871# define LDBL_DIG OVR_LDBL_DIG
1872#else
1873/* The following is all to get LDBL_DIG, in order to pick a nice
1874 default value for printing floating point numbers in Gconvert.
1875 (see config.h)
1876*/
68d4903c
JH		 1877# ifdef I_LIMITS
1878# include <limits.h>
1879# endif
1880# ifdef I_FLOAT
1881# include <float.h>
1882# endif
1883# ifndef HAS_LDBL_DIG
1884# if LONG_DOUBLESIZE == 10
1885# define LDBL_DIG 18 /* assume IEEE */
1886# else
1887# if LONG_DOUBLESIZE == 12
1888# define LDBL_DIG 18 /* gcc? */
1889# else
1890# if LONG_DOUBLESIZE == 16
1891# define LDBL_DIG 33 /* assume IEEE */
1892# else
1893# if LONG_DOUBLESIZE == DOUBLESIZE
1894# define LDBL_DIG DBL_DIG /* bummer */
1895# endif
1896# endif
1897# endif
1898# endif
1899# endif
2d4389e4
JH		 1900#endif
1901
20f6aaab
AS		 1902/*
1903 * This is for making sure we have a good DBL_MAX value, if possible,
1904 * either for usage as NV_MAX or for usage in figuring out if we can
1905 * fit a given long double into a double, if bug-fixing makes it
1906 * necessary to do so. - Allen <allens@cpan.org>
1907 */
1908
205f51d8
AS		 1909#ifdef I_LIMITS
1910# include <limits.h>
20f6aaab
AS		 1911#endif
1912
205f51d8
AS		 1913#ifdef I_VALUES
1914# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1915# include <values.h>
1916# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1917# define DBL_MAX MAXDOUBLE
1918# endif
1919# if defined(MINDOUBLE) && !defined(DBL_MIN)
1920# define DBL_MIN MINDOUBLE
1921# endif
1922# endif
1923#endif /* defined(I_VALUES) */
1924
a22e52b9 1925typedef NVTYPE NV;
8175356b 1926
792d8dab
JH		 1927#ifdef I_IEEEFP
1928# include <ieeefp.h>
1929#endif
923fc586 1930
65202027 1931#ifdef USE_LONG_DOUBLE
923fc586
JH		 1932# ifdef I_SUNMATH
1933# include <sunmath.h>
1934# endif
2d4389e4 1935# define NV_DIG LDBL_DIG
d6c14000
JH		 1936# ifdef LDBL_MANT_DIG
1937# define NV_MANT_DIG LDBL_MANT_DIG
1938# endif
06fc1729
JH		 1939# ifdef LDBL_MIN
1940# define NV_MIN LDBL_MIN
1941# endif
1942# ifdef LDBL_MAX
1943# define NV_MAX LDBL_MAX
1944# endif
1945# ifdef LDBL_MIN_10_EXP
1946# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1947# endif
1948# ifdef LDBL_MAX_10_EXP
1949# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1950# endif
1951# ifdef LDBL_EPSILON
1952# define NV_EPSILON LDBL_EPSILON
1953# endif
f4a14a62
JH		 1954# ifdef LDBL_MAX
1955# define NV_MAX LDBL_MAX
20f6aaab 1956/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1957# else
1958# ifdef HUGE_VALL
1959# define NV_MAX HUGE_VALL
1960# else
1961# ifdef HUGE_VAL
1962# define NV_MAX ((NV)HUGE_VAL)
1963# endif
1964# endif
1965# endif
68d4903c 1966# ifdef HAS_SQRTL
68d4903c
JH		 1967# define Perl_cos cosl
1968# define Perl_sin sinl
1969# define Perl_sqrt sqrtl
1970# define Perl_exp expl
1971# define Perl_log logl
1972# define Perl_atan2 atan2l
1973# define Perl_pow powl
1974# define Perl_floor floorl
1bbae031 1975# define Perl_ceil ceill
68d4903c
JH		 1976# define Perl_fmod fmodl
1977# endif
a3540c92
JH		 1978/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1979# ifdef HAS_MODFL
1980# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1981/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1982 prototype in <math.h> */
1983# ifndef HAS_MODFL_PROTO
a221a8a5 1984EXTERN_C long double modfl(long double, long double *);
51997bc3 1985# endif
03476e8e
JH		 1986# else
1987# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1988 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1989# define Perl_modf(x,y) Perl_my_modfl(x,y)
1990# endif
a3540c92
JH		 1991# endif
1992# ifdef HAS_FREXPL
dff3e0b8 1993# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1994# else
1995# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1996 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1997# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1998# endif
a3540c92 1999# endif
38dbb4c5 2000# ifndef Perl_isnan
758a5d79
JH		 2001# ifdef HAS_ISNANL
2002# define Perl_isnan(x) isnanl(x)
2003# endif
2004# endif
2005# ifndef Perl_isinf
2006# ifdef HAS_FINITEL
2007# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 2008# endif
2009# endif
65202027 2010#else
2d4389e4 2011# define NV_DIG DBL_DIG
d6c14000
JH		 2012# ifdef DBL_MANT_DIG
2013# define NV_MANT_DIG DBL_MANT_DIG
2014# endif
06fc1729
JH		 2015# ifdef DBL_MIN
2016# define NV_MIN DBL_MIN
2017# endif
2018# ifdef DBL_MAX
2019# define NV_MAX DBL_MAX
2020# endif
2021# ifdef DBL_MIN_10_EXP
2022# define NV_MIN_10_EXP DBL_MIN_10_EXP
2023# endif
2024# ifdef DBL_MAX_10_EXP
2025# define NV_MAX_10_EXP DBL_MAX_10_EXP
2026# endif
2027# ifdef DBL_EPSILON
2028# define NV_EPSILON DBL_EPSILON
2029# endif
205f51d8 2030# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 2031# define NV_MAX DBL_MAX
2032# define NV_MIN DBL_MIN
2033# else
2034# ifdef HUGE_VAL
2035# define NV_MAX HUGE_VAL
2036# endif
2037# endif
65202027
DS		 2038# define Perl_cos cos
2039# define Perl_sin sin
2040# define Perl_sqrt sqrt
2041# define Perl_exp exp
2042# define Perl_log log
2043# define Perl_atan2 atan2
2044# define Perl_pow pow
2045# define Perl_floor floor
1bbae031 2046# define Perl_ceil ceil
65202027 2047# define Perl_fmod fmod
a3540c92 2048# define Perl_modf(x,y) modf(x,y)
dff3e0b8 2049# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 2050#endif
2051
2052/* rumor has it that Win32 has _fpclass() */
2053
205f51d8
AS		 2054/* SGI has fpclassl... but not with the same result values,
2055 * and it's via a typedef (not via #define), so will need to redo Configure
2056 * to use. Not worth the trouble, IMO, at least until the below is used
2057 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
2058 * with me for the SGI manpages, SGI testing, etcetera, if you want to
2059 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
2060
758a5d79
JH		 2061#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2062# ifdef I_IEEFP
2063# include <ieeefp.h>
2064# endif
2065# ifdef I_FP
2066# include <fp.h>
2067# endif
2068# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2069# define Perl_fp_class() fpclassl(x)
2070# else
2071# define Perl_fp_class() fpclass(x)
2072# endif
2073# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2074# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2075# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2076# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2077# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2078# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2079# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2080# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2081# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2082# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2083# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2084# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2085# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2086# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2087# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2088#endif
2089
7114a2d2 2090#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2091# include <math.h>
2092# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2093# include <fp_class.h>
2094# endif
2095# define Perl_fp_class(x) fp_class(x)
2096# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2097# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2098# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2099# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2100# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2101# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2102# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2103# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2104# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2105# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2106# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2107# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2108# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2109# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2110# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2111#endif
2112
2113#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2114# include <math.h>
2115# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2116# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2117# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2118# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2119# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2120# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2121#endif
2122
2123#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2124# include <math.h>
2125# ifndef _cplusplus
2126# define Perl_fp_class(x) class(x)
2127# else
2128# define Perl_fp_class(x) _class(x)
2129# endif
2130# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2131# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2132# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2133# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2134# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2135# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2136# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2137# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2138# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2139# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2140# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2141# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2142# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2143# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2144# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2145#endif
2146
2147/* rumor has it that Win32 has _isnan() */
2148
2149#ifndef Perl_isnan
a3540c92 2150# ifdef HAS_ISNAN
758a5d79
JH		 2151# define Perl_isnan(x) isnan((NV)x)
2152# else
2153# ifdef Perl_fp_class_nan
2154# define Perl_isnan(x) Perl_fp_class_nan(x)
2155# else
2156# ifdef HAS_UNORDERED
2157# define Perl_isnan(x) unordered((x), 0.0)
2158# else
2159# define Perl_isnan(x) ((x)!=(x))
2160# endif
2161# endif
2162# endif
2163#endif
2164
ca6c63e1
JH		 2165#ifdef UNDER_CE
2166int isnan(double d);
2167#endif
2168
758a5d79
JH		 2169#ifndef Perl_isinf
2170# ifdef HAS_ISINF
2171# define Perl_isinf(x) isinf((NV)x)
a3540c92 2172# else
758a5d79
JH		 2173# ifdef Perl_fp_class_inf
2174# define Perl_isinf(x) Perl_fp_class_inf(x)
2175# else
2176# define Perl_isinf(x) ((x)==NV_INF)
2177# endif
2178# endif
2179#endif
2180
2181#ifndef Perl_isfinite
2182# ifdef HAS_FINITE
2183# define Perl_isfinite(x) finite((NV)x)
2184# else
2185# ifdef HAS_ISFINITE
2186# define Perl_isfinite(x) isfinite(x)
2187# else
2188# ifdef Perl_fp_class_finite
2189# define Perl_isfinite(x) Perl_fp_class_finite(x)
2190# else
2191# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2192# endif
2193# endif
a3540c92 2194# endif
65202027
DS		 2195#endif
2196
a36244b7
JH		 2197/* The default is to use Perl's own atof() implementation (in numeric.c).
2198 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2199 * it is however best to use the native implementation of atof.
2200 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2201 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2202 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2203 * you may need to be using a different function than atof! */
a36244b7
JH		 2204
2205#ifndef USE_PERL_ATOF
2206# ifndef _UNICOS
2207# define USE_PERL_ATOF
2208# endif
2209#else
2210# if USE_PERL_ATOF == 0
2211# undef USE_PERL_ATOF
2212# endif
2213#endif
2214
2215#ifdef USE_PERL_ATOF
2216# define Perl_atof(s) Perl_my_atof(s)
2217# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2218#else
2219# define Perl_atof(s) (NV)atof(s)
2220# define Perl_atof2(s, n) ((n) = atof(s))
2221#endif
cf2093f6 2222
d460ef45 2223/* Previously these definitions used hardcoded figures.
760ac839
LW		 2224 * It is hoped these formula are more portable, although
2225 * no data one way or another is presently known to me.
2226 * The "PERL_" names are used because these calculated constants
2227 * do not meet the ANSI requirements for LONG_MAX, etc., which
2228 * need to be constants acceptable to #if - kja
2229 * define PERL_LONG_MAX 2147483647L
2230 * define PERL_LONG_MIN (-LONG_MAX - 1)
2231 * define PERL ULONG_MAX 4294967295L
2232 */
2233
2234#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2235# include <limits.h>
760ac839 2236#endif
205f51d8 2237/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2238 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2239
99abf803 2240/*
2241 * Try to figure out max and min values for the integral types. THE CORRECT
2242 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2243 * following hacks are used if neither limits.h or values.h provide them:
2244 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2245 * for types < int: (unsigned TYPE)~(unsigned)0
2246 * The argument to ~ must be unsigned so that later signed->unsigned
2247 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2248 * and it must not be smaller than int because ~ does integral promotion.
2249 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2250 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2251 * The latter is a hack which happens to work on some machines but
2252 * does *not* catch any random system, or things like integer types
2253 * with NaN if that is possible.
2254 *
2255 * All of the types are explicitly cast to prevent accidental loss of
2256 * numeric range, and in the hope that they will be less likely to confuse
2257 * over-eager optimizers.
2258 *
2259 */
27d4fb96 2260
99abf803 2261#define PERL_UCHAR_MIN ((unsigned char)0)
2262
2263#ifdef UCHAR_MAX
2264# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2265#else
99abf803 2266# ifdef MAXUCHAR
2267# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2268# else
99abf803 2269# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2270# endif
2271#endif
d460ef45 2272
99abf803 2273/*
2274 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2275 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2276 * depending on local options. Until Configure detects this (or at least
2277 * detects whether the "signed" keyword is available) the CHAR ranges
2278 * will not be included. UCHAR functions normally.
2279 * - kja
2280 */
27d4fb96 2281
99abf803 2282#define PERL_USHORT_MIN ((unsigned short)0)
2283
2284#ifdef USHORT_MAX
2285# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2286#else
99abf803 2287# ifdef MAXUSHORT
2288# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2289# else
ef2f54b0
CB		 2290# ifdef USHRT_MAX
2291# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2292# else
2293# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2294# endif
27d4fb96 2295# endif
2296#endif
2297
27d4fb96 2298#ifdef SHORT_MAX
99abf803 2299# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2300#else
2301# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2302# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2303# else
ef2f54b0
CB		 2304# ifdef SHRT_MAX
2305# define PERL_SHORT_MAX ((short)SHRT_MAX)
2306# else
2307# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2308# endif
27d4fb96 2309# endif
2310#endif
2311
2312#ifdef SHORT_MIN
99abf803 2313# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2314#else
2315# ifdef MINSHORT
99abf803 2316# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2317# else
ef2f54b0
CB		 2318# ifdef SHRT_MIN
2319# define PERL_SHORT_MIN ((short)SHRT_MIN)
2320# else
2321# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2322# endif
27d4fb96 2323# endif
2324#endif
2325
99abf803 2326#ifdef UINT_MAX
2327# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2328#else
99abf803 2329# ifdef MAXUINT
2330# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2331# else
99abf803 2332# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2333# endif
2334#endif
2335
99abf803 2336#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2337
2338#ifdef INT_MAX
99abf803 2339# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2340#else
2341# ifdef MAXINT /* Often used in <values.h> */
99abf803 2342# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2343# else
99abf803 2344# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2345# endif
2346#endif
2347
2348#ifdef INT_MIN
99abf803 2349# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2350#else
2351# ifdef MININT
99abf803 2352# define PERL_INT_MIN ((int)MININT)
27d4fb96 2353# else
2354# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2355# endif
2356#endif
2357
99abf803 2358#ifdef ULONG_MAX
2359# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2360#else
99abf803 2361# ifdef MAXULONG
2362# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2363# else
99abf803 2364# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2365# endif
2366#endif
2367
99abf803 2368#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2369
760ac839 2370#ifdef LONG_MAX
99abf803 2371# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2372#else
2373# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2374# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2375# else
99abf803 2376# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2377# endif
2378#endif
2379
2380#ifdef LONG_MIN
99abf803 2381# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2382#else
2383# ifdef MINLONG
99abf803 2384# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2385# else
27d4fb96 2386# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2387# endif
2388#endif
2389
d7d93a81 2390#ifdef UV_IS_QUAD
99abf803 2391
99abf803 2392# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2393# define PERL_UQUAD_MIN ((UV)0)
99abf803 2394# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2395# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2396
79072805
LW		 2397#endif
2398
830247a4 2399struct RExC_state_t;
8e11feef 2400struct _reg_trie_data;
880b20b6 2401
ee0007ab 2402typedef MEM_SIZE STRLEN;
450a55e4 2403
598921a7
NC		 2404#ifdef PERL_MAD
2405typedef struct token TOKEN;
2406typedef struct madprop MADPROP;
2407typedef struct nexttoken NEXTTOKE;
2408#endif
79072805
LW		 2409typedef struct op OP;
2410typedef struct cop COP;
2411typedef struct unop UNOP;
2412typedef struct binop BINOP;
2413typedef struct listop LISTOP;
2414typedef struct logop LOGOP;
79072805
LW		 2415typedef struct pmop PMOP;
2416typedef struct svop SVOP;
7934575e 2417typedef struct padop PADOP;
79072805 2418typedef struct pvop PVOP;
79072805
LW		 2419typedef struct loop LOOP;
2420
52db365a 2421typedef struct block_hooks BHK;
1830b3d9 2422typedef struct custom_op XOP;
52db365a 2423
cd1541b2
NC		 2424typedef struct interpreter PerlInterpreter;
2425
d2b3f365
SS		 2426/* Amdahl's <ksync.h> has struct sv */
2427/* SGI's <sys/sema.h> has struct sv */
2428#if defined(UTS) || defined(__sgi)
2429# define STRUCT_SV perl_sv
b8d3c5db
JH		 2430#else
2431# define STRUCT_SV sv
2432#endif
2433typedef struct STRUCT_SV SV;
79072805
LW		 2434typedef struct av AV;
2435typedef struct hv HV;
2436typedef struct cv CV;
d2f13c59 2437typedef struct p5rx REGEXP;
79072805 2438typedef struct gp GP;
0c30d9ec 2439typedef struct gv GV;
8990e307 2440typedef struct io IO;
c09156bb 2441typedef struct context PERL_CONTEXT;
79072805
LW		 2442typedef struct block BLOCK;
2443
2444typedef struct magic MAGIC;
2445typedef struct xpv XPV;
2446typedef struct xpviv XPVIV;
ff68c719 2447typedef struct xpvuv XPVUV;
79072805
LW		 2448typedef struct xpvnv XPVNV;
2449typedef struct xpvmg XPVMG;
2450typedef struct xpvlv XPVLV;
2451typedef struct xpvav XPVAV;
2452typedef struct xpvhv XPVHV;
2453typedef struct xpvgv XPVGV;
2454typedef struct xpvcv XPVCV;
2455typedef struct xpvbm XPVBM;
2456typedef struct xpvfm XPVFM;
8990e307 2457typedef struct xpvio XPVIO;
79072805
LW		 2458typedef struct mgvtbl MGVTBL;
2459typedef union any ANY;
5f7fde29
GS		 2460typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2461typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2462typedef struct clone_params CLONE_PARAMS;
2463
378cc40b 2464#include "handy.h"
a0d0e21e 2465
6b8eaf93 2466#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2467# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2468# define USE_64_BIT_RAWIO /* implicit */
2469# endif
4564133c
JH		 2470#endif
2471
6b8eaf93
JH		 2472/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2473 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2474 * however, because operating systems like to do that themself. */
2475#ifndef FSEEKSIZE
2476# ifdef HAS_FSEEKO
2477# define FSEEKSIZE LSEEKSIZE
2478# else
2479# define FSEEKSIZE LONGSIZE
d460ef45 2480# endif
6b8eaf93
JH		 2481#endif
2482
2483#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2484# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2485# define USE_64_BIT_STDIO /* implicit */
2486# endif
2487#endif
4564133c 2488
09458382 2489#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2490# ifdef HAS_OFF64_T
2491# undef Off_t
2492# define Off_t off64_t
2493# undef LSEEKSIZE
2494# define LSEEKSIZE 8
5ff3f7a4 2495# endif
d9b3e12d
JH		 2496/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2497 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2498 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2499# if defined(USE_OPEN64)
2500# define open open64
5ff3f7a4 2501# endif
d9b3e12d
JH		 2502# if defined(USE_LSEEK64)
2503# define lseek lseek64
6b8eaf93
JH		 2504# else
2505# if defined(USE_LLSEEK)
2506# define lseek llseek
2507# endif
d9b3e12d
JH		 2508# endif
2509# if defined(USE_STAT64)
2510# define stat stat64
2511# endif
2512# if defined(USE_FSTAT64)
2513# define fstat fstat64
2514# endif
2515# if defined(USE_LSTAT64)
2516# define lstat lstat64
2517# endif
2518# if defined(USE_FLOCK64)
2519# define flock flock64
2520# endif
2521# if defined(USE_LOCKF64)
2522# define lockf lockf64
2523# endif
2524# if defined(USE_FCNTL64)
2525# define fcntl fcntl64
2526# endif
2527# if defined(USE_TRUNCATE64)
2528# define truncate truncate64
2529# endif
2530# if defined(USE_FTRUNCATE64)
2531# define ftruncate ftruncate64
2532# endif
2533#endif
2534
2535#ifdef USE_64_BIT_STDIO
2536# ifdef HAS_FPOS64_T
2537# undef Fpos_t
2538# define Fpos_t fpos64_t
2539# endif
2540/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2541 * will trigger defines like the ones below. Some 64-bit environments,
2542 * however, do not. */
2543# if defined(USE_FOPEN64)
2544# define fopen fopen64
2545# endif
2546# if defined(USE_FSEEK64)
6b8eaf93 2547# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2548# endif
2549# if defined(USE_FTELL64)
6b8eaf93 2550# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2551# endif
2552# if defined(USE_FSETPOS64)
2553# define fsetpos fsetpos64
2554# endif
2555# if defined(USE_FGETPOS64)
2556# define fgetpos fgetpos64
2557# endif
2558# if defined(USE_TMPFILE64)
2559# define tmpfile tmpfile64
2560# endif
2561# if defined(USE_FREOPEN64)
2562# define freopen freopen64
5ff3f7a4
GS		 2563# endif
2564#endif
2565
e37778c2 2566#if defined(OS2)
2c2d71f5
JH		 2567# include "iperlsys.h"
2568#endif
2569
6f71a643 2570#if defined(__OPEN_VM)
19848b3f
JH		 2571# include "vmesa/vmesaish.h"
2572# define ISHISH "vmesa"
6f71a643
JH		 2573#endif
2574
748a9306 2575#ifdef DOSISH
19848b3f
JH		 2576# if defined(OS2)
2577# include "os2ish.h"
2578# else
2579# include "dosish.h"
2580# endif
2581# define ISHISH "dos"
2582#endif
2583
2584#if defined(VMS)
748a9306 2585# include "vmsish.h"
19848b3f
JH		 2586# define ISHISH "vms"
2587#endif
2588
2589#if defined(PLAN9)
2590# include "./plan9/plan9ish.h"
2591# define ISHISH "plan9"
2592#endif
2593
2594#if defined(MPE)
2595# include "mpeix/mpeixish.h"
2596# define ISHISH "mpeix"
2597#endif
2598
2599#if defined(__VOS__)
196918b0
PG		 2600# ifdef __GNUC__
2601# include "./vos/vosish.h"
2602# else
2603# include "vos/vosish.h"
2604# endif
19848b3f
JH		 2605# define ISHISH "vos"
2606#endif
2607
2608#if defined(EPOC)
2609# include "epocish.h"
2610# define ISHISH "epoc"
2611#endif
2612
9969cdde 2613#ifdef __SYMBIAN32__
27da23d5 2614# include "symbian/symbianish.h"
27da23d5
JH		 2615# define ISHISH "symbian"
2616#endif
2617
19848b3f 2618
df00ff3b
IW		 2619#if defined(__HAIKU__)
2620# include "haiku/haikuish.h"
2621# define ISHISH "haiku"
2622#elif defined(__BEOS__)
efca5cc6
JH		 2623# include "beos/beosish.h"
2624# define ISHISH "beos"
2625#endif
2626
19848b3f
JH		 2627#ifndef ISHISH
2628# include "unixish.h"
2629# define ISHISH "unix"
13b6e58c
JH		 2630#endif
2631
2946a158
JH		 2632/* NSIG logic from Configure --> */
2633/* Strange style to avoid deeply-nested #if/#else/#endif */
2634#ifndef NSIG
2635# ifdef _NSIG
2636# define NSIG (_NSIG)
2637# endif
2638#endif
2639
2640#ifndef NSIG
2641# ifdef SIGMAX
2642# define NSIG (SIGMAX+1)
2643# endif
2644#endif
2645
2646#ifndef NSIG
2647# ifdef SIG_MAX
2648# define NSIG (SIG_MAX+1)
2649# endif
2650#endif
2651
2652#ifndef NSIG
2653# ifdef _SIG_MAX
2654# define NSIG (_SIG_MAX+1)
2655# endif
2656#endif
2657
2658#ifndef NSIG
2659# ifdef MAXSIG
2660# define NSIG (MAXSIG+1)
2661# endif
2662#endif
2663
2664#ifndef NSIG
2665# ifdef MAX_SIG
2666# define NSIG (MAX_SIG+1)
2667# endif
2668#endif
2669
2670#ifndef NSIG
2671# ifdef SIGARRAYSIZE
2672# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2673# endif
2674#endif
2675
2676#ifndef NSIG
2677# ifdef _sys_nsig
2678# define NSIG (_sys_nsig) /* Solaris 2.5 */
2679# endif
2680#endif
2681
2682/* Default to some arbitrary number that's big enough to get most
2683 of the common signals.
2684*/
2685#ifndef NSIG
2686# define NSIG 50
2687#endif
2688/* <-- NSIG logic from Configure */
2689
13b6e58c
JH		 2690#ifndef NO_ENVIRON_ARRAY
2691# define USE_ENVIRON_ARRAY
2692#endif
32f822de 2693
c77b533b
JH		 2694/*
2695 * initialise to avoid floating-point exceptions from overflow, etc
2696 */
2697#ifndef PERL_FPU_INIT
2698# ifdef HAS_FPSETMASK
2699# if HAS_FLOATINGPOINT_H
2700# include <floatingpoint.h>
2701# endif
ad3a8c67
NC		 2702/* Some operating systems have this as a macro, which in turn expands to a comma
2703 expression, and the last sub-expression is something that gets calculated,
2704 and then they have the gall to warn that a value computed is not used. Hence
2705 cast to void. */
2706# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2707# else
2f42fcb0 2708# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2709# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2710# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2711# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2712# else
2713# define PERL_FPU_INIT
2f42fcb0 2714
7014c407 2715# endif
c77b533b
JH		 2716# endif
2717#endif
b35112e7
CS		 2718#ifndef PERL_FPU_PRE_EXEC
2719# define PERL_FPU_PRE_EXEC {
2720# define PERL_FPU_POST_EXEC }
2721#endif
c77b533b 2722
cbec8ebe
DM		 2723#ifndef PERL_SYS_INIT3_BODY
2724# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2725#endif
2726
eb533572
DM		 2727/*
2728=for apidoc Am|void|PERL_SYS_INIT|int argc|char** argv
2729Provides system-specific tune up of the C runtime environment necessary to
2730run Perl interpreters. This should be called only once, before creating
2731any Perl interpreters.
2732
2733=for apidoc Am|void|PERL_SYS_INIT3|int argc|char** argv|char** env
2734Provides system-specific tune up of the C runtime environment necessary to
2735run Perl interpreters. This should be called only once, before creating
2736any Perl interpreters.
2737
2738=for apidoc Am|void|PERL_SYS_TERM|
2739Provides system-specific clean up of the C runtime environment after
2740running Perl interpreters. This should be called only once, after
2741freeing any remaining Perl interpreters.
2742
2743=cut
2744 */
2745
cbec8ebe
DM		 2746#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2747#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2748#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2749
be708cc0
JH		 2750#ifndef PERL_WRITE_MSG_TO_CONSOLE
2751# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2752#endif
2753
0f31cffe
GS		 2754#ifndef MAXPATHLEN
2755# ifdef PATH_MAX
b990c8b2
JH		 2756# ifdef _POSIX_PATH_MAX
2757# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2758/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2759 * included the null byte or not. Later amendments of POSIX,
2760 * XPG4, the Austin Group, and the Single UNIX Specification
2761 * all explicitly include the null byte in the PATH_MAX.
2762 * Ditto for _POSIX_PATH_MAX. */
2763# define MAXPATHLEN PATH_MAX
b990c8b2 2764# else
09448d78 2765# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2766# endif
2767# else
2768# define MAXPATHLEN (PATH_MAX+1)
2769# endif
0f31cffe 2770# else
d552bce8 2771# define MAXPATHLEN 1024 /* Err on the large side. */
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
118e2215 3284# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */
0dbb1585 3285#else
118e2215 3286# define NORETURN_FUNCTION_END assert(0); /* 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 */
9da1dd8f 3473 char *re_eval_start;/* start of "(?{..." text */
7fae4e64
GS		 3474};
3475
199e78b7
DM		 3476#include "parser.h"
3477
455ece5e 3478typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3479
2c2d71f5 3480struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3481struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3482
5f7fde29
GS		 3483struct ptr_tbl_ent {
3484 struct ptr_tbl_ent* next;
53c1dcc0 3485 const void* oldval;
5f7fde29 3486 void* newval;
d18c6117
GS		 3487};
3488
5f7fde29
GS		 3489struct ptr_tbl {
3490 struct ptr_tbl_ent** tbl_ary;
3491 UV tbl_max;
3492 UV tbl_items;
db93c0c4
NC		 3493 struct ptr_tbl_arena *tbl_arena;
3494 struct ptr_tbl_ent *tbl_arena_next;
3495 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS		 3496};
3497
450a55e4 3498#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3499# define I286
3500#endif
3501
fe14fcc3
LW		 3502#if defined(htonl) && !defined(HAS_HTONL)
3503#define HAS_HTONL
ae986130 3504#endif
fe14fcc3
LW		 3505#if defined(htons) && !defined(HAS_HTONS)
3506#define HAS_HTONS
ae986130 3507#endif
fe14fcc3
LW		 3508#if defined(ntohl) && !defined(HAS_NTOHL)
3509#define HAS_NTOHL
ae986130 3510#endif
fe14fcc3
LW		 3511#if defined(ntohs) && !defined(HAS_NTOHS)
3512#define HAS_NTOHS
ae986130 3513#endif
fe14fcc3 3514#ifndef HAS_HTONL
d9d8d8de 3515#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3516#define HAS_HTONS
3517#define HAS_HTONL
3518#define HAS_NTOHS
3519#define HAS_NTOHL
a687059c
LW		 3520#define MYSWAP
3521#define htons my_swap
3522#define htonl my_htonl
3523#define ntohs my_swap
3524#define ntohl my_ntohl
3525#endif
3526#else
d9d8d8de 3527#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3528#undef HAS_HTONS
3529#undef HAS_HTONL
3530#undef HAS_NTOHS
3531#undef HAS_NTOHL
a687059c
LW		 3532#endif
3533#endif
3534
988174c1
LW		 3535/*
3536 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3537 * -DWS
3538 */
3539#if BYTEORDER != 0x1234
3540# define HAS_VTOHL
3541# define HAS_VTOHS
3542# define HAS_HTOVL
3543# define HAS_HTOVS
c67712b2 3544# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3545# define vtohl(x) ((((x)&0xFF)<<24) \
3546 +(((x)>>24)&0xFF) \
3547 +(((x)&0x0000FF00)<<8) \
3548 +(((x)&0x00FF0000)>>8) )
3549# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3550# define htovl(x) vtohl(x)
3551# define htovs(x) vtohs(x)
3552# endif
3553 /* otherwise default to functions in util.c */
2a8c3029 3554#ifndef htovs
c623ac67
GS		 3555short htovs(short n);
3556short vtohs(short n);
3557long htovl(long n);
3558long vtohl(long n);
988174c1 3559#endif
2a8c3029 3560#endif
988174c1 3561
3bb7c1b4
JH		 3562/* *MAX Plus 1. A floating point value.
3563 Hopefully expressed in a way that dodgy floating point can't mess up.
3564 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3565 is added to it
3566 May find that some broken compiler will want the value cast to I32.
3567 [after the shift, as signed >> may not be as secure as unsigned >>]
3568*/
3569#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3570#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3571/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3572 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3573 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3574*/
3575#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3576
3bb7c1b4
JH		 3577#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3578#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3579#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3580
3581/* This may look like unnecessary jumping through hoops, but converting
3582 out of range floating point values to integers *is* undefined behaviour,
3583 and it is starting to bite.
3584*/
3585#ifndef CAST_INLINE
65202027 3586#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3587#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3588#define I_V(what) (cast_iv((NV)(what)))
3589#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3590#else
3591#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3592 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3593 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3594#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3595 : ((n) < U32_MAX_P1 ? (U32) (n) \
3596 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3597#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3598 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3599 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3600#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3601 : ((n) < UV_MAX_P1 ? (UV) (n) \
3602 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3603#endif
3604
3605#define U_S(what) ((U16)U_32(what))
3606#define U_I(what) ((unsigned int)U_32(what))
3607#define U_L(what) U_32(what)
ed6116ce 3608
ed140128
AD		 3609#ifdef HAS_SIGNBIT
3610# define Perl_signbit signbit
3611#endif
3612
2d4389e4
JH		 3613/* These do not care about the fractional part, only about the range. */
3614#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3615#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3616
25da4f38
IZ		 3617/* Used with UV/IV arguments: */
3618 /* XXXX: need to speed it up */
3619#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3620#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3621
352d5a3a
LW		 3622#ifndef MAXSYSFD
3623# define MAXSYSFD 2
3624#endif
ee0007ab 3625
79072805 3626#ifndef __cplusplus
27da23d5 3627#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3628Uid_t getuid (void);
3629Uid_t geteuid (void);
3630Gid_t getgid (void);
3631Gid_t getegid (void);
79072805 3632#endif
e1caacb4 3633#endif
8d063cd8 3634
0c30d9ec 3635#ifndef Perl_debug_log
bf49b057
GS		 3636# define Perl_debug_log PerlIO_stderr()
3637#endif
3638
3639#ifndef Perl_error_log
3640# define Perl_error_log (PL_stderrgv \
6b78add2 3641 && isGV(PL_stderrgv) \
01bb7c6d 3642 && GvIOp(PL_stderrgv) \
42de951c 3643 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3644 ? IoOFP(GvIOp(PL_stderrgv)) \
3645 : PerlIO_stderr())
0c30d9ec 3646#endif
3967c732 3647
aea4f609
DM		 3648
3649#define DEBUG_p_FLAG 0x00000001 /* 1 */
3650#define DEBUG_s_FLAG 0x00000002 /* 2 */
3651#define DEBUG_l_FLAG 0x00000004 /* 4 */
3652#define DEBUG_t_FLAG 0x00000008 /* 8 */
3653#define DEBUG_o_FLAG 0x00000010 /* 16 */
3654#define DEBUG_c_FLAG 0x00000020 /* 32 */
3655#define DEBUG_P_FLAG 0x00000040 /* 64 */
3656#define DEBUG_m_FLAG 0x00000080 /* 128 */
3657#define DEBUG_f_FLAG 0x00000100 /* 256 */
3658#define DEBUG_r_FLAG 0x00000200 /* 512 */
3659#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3660#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3661/* U is reserved for Unofficial, exploratory hacking */
3662#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3663#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3664#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3665#define DEBUG_D_FLAG 0x00008000 /* 32768 */
d2c25739 3666/* 0x00010000 is unused, used to be S */
aea4f609 3667#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3668#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3669#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3670#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3671#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3672#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3673#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 3674#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3675#define DEBUG_B_FLAG 0x02000000 /*33554432*/
3676#define DEBUG_MASK 0x03FEEFFF /* mask of all the standard flags */
aea4f609
DM		 3677
3678#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3679#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3680 that something was done? */
aea4f609 3681
bd16a5f0
IZ		 3682# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3683# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3684# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3685# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3686# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3687# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3688# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3689# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3690# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3691# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3692# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3693# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3694# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3695# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3696# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3697# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
bd16a5f0
IZ		 3698# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3699# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3700# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3701# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3702# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3703# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3704# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3705# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3706# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3707# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3708# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3709# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3710
3967c732 3711#ifdef DEBUGGING
aea4f609 3712
bd16a5f0
IZ		 3713# define DEBUG_p_TEST DEBUG_p_TEST_
3714# define DEBUG_s_TEST DEBUG_s_TEST_
3715# define DEBUG_l_TEST DEBUG_l_TEST_
3716# define DEBUG_t_TEST DEBUG_t_TEST_
3717# define DEBUG_o_TEST DEBUG_o_TEST_
3718# define DEBUG_c_TEST DEBUG_c_TEST_
3719# define DEBUG_P_TEST DEBUG_P_TEST_
3720# define DEBUG_m_TEST DEBUG_m_TEST_
3721# define DEBUG_f_TEST DEBUG_f_TEST_
3722# define DEBUG_r_TEST DEBUG_r_TEST_
3723# define DEBUG_x_TEST DEBUG_x_TEST_
3724# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3725# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3726# define DEBUG_H_TEST DEBUG_H_TEST_
3727# define DEBUG_X_TEST DEBUG_X_TEST_
3728# define DEBUG_D_TEST DEBUG_D_TEST_
bd16a5f0
IZ		 3729# define DEBUG_T_TEST DEBUG_T_TEST_
3730# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3731# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3732# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3733# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3734# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3735# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3736# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3737# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC		 3738# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3739# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3740# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3741
488b0c7a
JH		 3742# define PERL_DEB(a) a
3743# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3744# define DEBUG_p(a) if (DEBUG_p_TEST) a
3745# define DEBUG_s(a) if (DEBUG_s_TEST) a
3746# define DEBUG_l(a) if (DEBUG_l_TEST) a
3747# define DEBUG_t(a) if (DEBUG_t_TEST) a
3748# define DEBUG_o(a) if (DEBUG_o_TEST) a
3749# define DEBUG_c(a) if (DEBUG_c_TEST) a
3750# define DEBUG_P(a) if (DEBUG_P_TEST) a
3751
969058bb
VK		 3752 /* Temporarily turn off memory debugging in case the a
3753 * does memory allocation, either directly or indirectly. */
acfe0abc 3754# define DEBUG_m(a) \
0b250b9e 3755 STMT_START { \
aea4f609 3756 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3757 } STMT_END
aea4f609 3758
5f80b19c
AMS		 3759# define DEBUG__(t, a) \
3760 STMT_START { \
3761 if (t) STMT_START {a;} STMT_END; \
3762 } STMT_END
3763
3764# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3765#ifndef PERL_EXT_RE_BUILD
5f80b19c 3766# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3767#else
3768# define DEBUG_r(a) STMT_START {a;} STMT_END
3769#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3770# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3771# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3772# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3773# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3774# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3775# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3776# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3777# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3778# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3779
5f80b19c
AMS		 3780# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3781# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3782# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3783# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3784# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3785# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3786# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3787# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM		 3788
3789#else /* DEBUGGING */
3790
3791# define DEBUG_p_TEST (0)
3792# define DEBUG_s_TEST (0)
3793# define DEBUG_l_TEST (0)
3794# define DEBUG_t_TEST (0)
3795# define DEBUG_o_TEST (0)
3796# define DEBUG_c_TEST (0)
3797# define DEBUG_P_TEST (0)
3798# define DEBUG_m_TEST (0)
3799# define DEBUG_f_TEST (0)
3800# define DEBUG_r_TEST (0)
3801# define DEBUG_x_TEST (0)
3802# define DEBUG_u_TEST (0)
88d2d28a 3803# define DEBUG_U_TEST (0)
aea4f609
DM		 3804# define DEBUG_H_TEST (0)
3805# define DEBUG_X_TEST (0)
3806# define DEBUG_D_TEST (0)
aea4f609 3807# define DEBUG_T_TEST (0)
04932ac8 3808# define DEBUG_R_TEST (0)
1045810a 3809# define DEBUG_J_TEST (0)
d6721266 3810# define DEBUG_v_TEST (0)
46187eeb 3811# define DEBUG_C_TEST (0)
ecae49c0
NC		 3812# define DEBUG_A_TEST (0)
3813# define DEBUG_q_TEST (0)
d7c0d282 3814# define DEBUG_M_TEST (0)
cc8773c0 3815# define DEBUG_B_TEST (0)
7949c6f5
JC		 3816# define DEBUG_Xv_TEST (0)
3817# define DEBUG_Uv_TEST (0)
ad9e76a8 3818# define DEBUG_Pv_TEST (0)
aea4f609 3819
488b0c7a
JH		 3820# define PERL_DEB(a)
3821# define PERL_DEBUG(a)
aea4f609
DM		 3822# define DEBUG_p(a)
3823# define DEBUG_s(a)
3824# define DEBUG_l(a)
3825# define DEBUG_t(a)
3826# define DEBUG_o(a)
3827# define DEBUG_c(a)
3828# define DEBUG_P(a)
3829# define DEBUG_m(a)
3830# define DEBUG_f(a)
3831# define DEBUG_r(a)
3832# define DEBUG_x(a)
3833# define DEBUG_u(a)
88d2d28a 3834# define DEBUG_U(a)
aea4f609
DM		 3835# define DEBUG_H(a)
3836# define DEBUG_X(a)
3837# define DEBUG_D(a)
aea4f609 3838# define DEBUG_T(a)
04932ac8 3839# define DEBUG_R(a)
d6721266 3840# define DEBUG_v(a)
46187eeb 3841# define DEBUG_C(a)
ecae49c0
NC		 3842# define DEBUG_A(a)
3843# define DEBUG_q(a)
d7c0d282 3844# define DEBUG_M(a)
cc8773c0 3845# define DEBUG_B(a)
7949c6f5
JC		 3846# define DEBUG_Xv(a)
3847# define DEBUG_Uv(a)
ad9e76a8 3848# define DEBUG_Pv(a)
aea4f609
DM		 3849#endif /* DEBUGGING */
3850
3851
b4ab917c 3852#define DEBUG_SCOPE(where) \
d9f81b50 3853 DEBUG_l( \
1c98cc53
DM		 3854 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
3855 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
d9f81b50 3856 __FILE__, __LINE__));
b4ab917c 3857
de84dc04
NC		 3858#if defined(DEBUGGING) && defined(I_ASSERT)
3859# include <assert.h>
3860#endif
3861
3862/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3863 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3864
de84dc04 3865#define Perl_assert(what) PERL_DEB( \
2b057284 3866 ((what) ? ((void) 0) : \
67eb4d30 3867 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3868 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3869 (void) 0)))
de84dc04
NC		 3870
3871#ifndef assert
3872# define assert(what) Perl_assert(what)
a446a88f 3873#endif
8d063cd8 3874
450a55e4 3875struct ufuncs {
24f81a43
DM		 3876 I32 (*uf_val)(pTHX_ IV, SV*);
3877 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3878 IV uf_index;
450a55e4
LW		 3879};
3880
14befaf4 3881/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3882 * XS code wanting to be backward compatible can do something
3883 * like the following:
c745e42c 3884
24f81a43 3885#ifndef PERL_MG_UFUNC
24f81a43
DM		 3886#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3887#endif
3888
3889static PERL_MG_UFUNC(foo_get, index, val)
3890{
3891 sv_setsv(val, ...);
3892 return TRUE;
3893}
3894
3895-- Doug MacEachern
3896
3897*/
3898
fc9c74e6 3899#ifndef PERL_MG_UFUNC
24f81a43 3900#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3901#endif
24f81a43 3902
fe14fcc3 3903/* Fix these up for __STDC__ */
68dc0745 3904#ifndef DONT_DECLARE_STD
20ce7b12 3905char *mktemp (char*);
37bd1396 3906#ifndef atof
20ce7b12 3907double atof (const char*);
a0d0e21e 3908#endif
37bd1396 3909#endif
79072805 3910
352d5a3a 3911#ifndef STANDARD_C
fe14fcc3 3912/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3913Time_t time();
8d063cd8 3914struct tm *gmtime(), *localtime();
092bebab 3915#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3916char *(strchr)(), *(strrchr)();
3917char *(strcpy)(), *(strcat)();
3918#else
93a17b20 3919char *strchr(), *strrchr();
378cc40b 3920char *strcpy(), *strcat();
9d116dd7 3921#endif
352d5a3a 3922#endif /* ! STANDARD_C */
8d063cd8 3923
79072805
LW		 3924
3925#ifdef I_MATH
3926# include <math.h>
3927#else
32f822de 3928START_EXTERN_C
20ce7b12
GS		 3929 double exp (double);
3930 double log (double);
3931 double log10 (double);
3932 double sqrt (double);
3933 double frexp (double,int*);
3934 double ldexp (double,int);
3935 double modf (double,double*);
3936 double sin (double);
3937 double cos (double);
3938 double atan2 (double,double);
3939 double pow (double,double);
32f822de 3940END_EXTERN_C
79072805
LW		 3941#endif
3942
aa8b85de
JH		 3943#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3944# define NV_INF LDBL_INFINITY
3945#endif
3946#if !defined(NV_INF) && defined(DBL_INFINITY)
3947# define NV_INF (NV)DBL_INFINITY
3948#endif
3949#if !defined(NV_INF) && defined(INFINITY)
3950# define NV_INF (NV)INFINITY
3951#endif
3952#if !defined(NV_INF) && defined(INF)
3953# define NV_INF (NV)INF
3954#endif
3955#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3956# define NV_INF (NV)HUGE_VALL
3957#endif
3958#if !defined(NV_INF) && defined(HUGE_VAL)
3959# define NV_INF (NV)HUGE_VAL
3960#endif
3961
3962#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3963# if !defined(NV_NAN) && defined(LDBL_NAN)
3964# define NV_NAN LDBL_NAN
3965# endif
3966# if !defined(NV_NAN) && defined(LDBL_QNAN)
3967# define NV_NAN LDBL_QNAN
3968# endif
3969# if !defined(NV_NAN) && defined(LDBL_SNAN)
3970# define NV_NAN LDBL_SNAN
3971# endif
3972#endif
3973#if !defined(NV_NAN) && defined(DBL_NAN)
3974# define NV_NAN (NV)DBL_NAN
3975#endif
3976#if !defined(NV_NAN) && defined(DBL_QNAN)
3977# define NV_NAN (NV)DBL_QNAN
3978#endif
3979#if !defined(NV_NAN) && defined(DBL_SNAN)
3980# define NV_NAN (NV)DBL_SNAN
3981#endif
3982#if !defined(NV_NAN) && defined(QNAN)
3983# define NV_NAN (NV)QNAN
3984#endif
3985#if !defined(NV_NAN) && defined(SNAN)
3986# define NV_NAN (NV)SNAN
3987#endif
3988#if !defined(NV_NAN) && defined(NAN)
3989# define NV_NAN (NV)NAN
3990#endif
3991
a0d0e21e 3992#ifndef __cplusplus
8f1f23e8 3993# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3994char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3995# else
fd8cd3a3 3996# if !defined(WIN32) && !defined(VMS)
10bc17b6 3997#ifndef crypt
20ce7b12 3998char *crypt (const char*, const char*);
10bc17b6 3999#endif
5014db98 4000# endif /* !WIN32 */
8f1f23e8 4001# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 4002# ifndef DONT_DECLARE_STD
4003# ifndef getenv
20ce7b12 4004char *getenv (const char*);
26618a56 4005# endif /* !getenv */
28ca6303 4006# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 4007# ifdef _FILE_OFFSET_BITS
28ca6303 4008# if _FILE_OFFSET_BITS == 64
20ce7b12 4009Off_t lseek (int,Off_t,int);
0fc67700
JH		 4010# endif
4011# endif
bf0c440f 4012# endif
26618a56 4013# endif /* !DONT_DECLARE_STD */
10bc17b6 4014#ifndef getlogin
20ce7b12 4015char *getlogin (void);
10bc17b6 4016#endif
26618a56 4017#endif /* !__cplusplus */
79072805 4018
7a7fd8e0
JM		 4019/* Fixme on VMS. This needs to be a run-time, not build time options */
4020/* Also rename() is affected by this */
16d20bd9 4021#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 4022#define UNLINK unlnk
083639a9 4023I32 unlnk (pTHX_ const char*);
8d063cd8 4024#else
80252599 4025#define UNLINK PerlLIO_unlink
8d063cd8 4026#endif
a687059c 4027
fa0a29af
JH		 4028/* some versions of glibc are missing the setresuid() proto */
4029#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 4030int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4031#endif
fa0a29af
JH		 4032/* some versions of glibc are missing the setresgid() proto */
4033#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 4034int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4035#endif
4036
fe14fcc3 4037#ifndef HAS_SETREUID
85e6fe83
LW		 4038# ifdef HAS_SETRESUID
4039# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4040# define HAS_SETREUID
4041# endif
a687059c 4042#endif
fe14fcc3 4043#ifndef HAS_SETREGID
85e6fe83
LW		 4044# ifdef HAS_SETRESGID
4045# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4046# define HAS_SETREGID
4047# endif
a687059c 4048#endif
ee0007ab 4049
d543acb6 4050/* Sighandler_t defined in iperlsys.h */
ff68c719 4051
4052#ifdef HAS_SIGACTION
4053typedef struct sigaction Sigsave_t;
4054#else
4055typedef Sighandler_t Sigsave_t;
4056#endif
4057
ee0007ab
LW		 4058#define SCAN_DEF 0
4059#define SCAN_TR 1
4060#define SCAN_REPL 2
79072805
LW		 4061
4062#ifdef DEBUGGING
4633a7c4 4063# ifndef register
a0d0e21e
LW		 4064# define register
4065# endif
cea2e8a9 4066# define RUNOPS_DEFAULT Perl_runops_debug
79072805 4067#else
cea2e8a9 4068# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 4069#endif
4070
6cb8cb21 4071#ifdef USE_PERLIO
0934c9d9 4072EXTERN_C void PerlIO_teardown(void);
2f44961c 4073# ifdef USE_ITHREADS
6cb8cb21
RGS		 4074# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4075# define PERLIO_TERM \
4076 STMT_START { \
d0820ef1 4077 PerlIO_teardown(); \
6cb8cb21
RGS		 4078 MUTEX_DESTROY(&PL_perlio_mutex);\
4079 } STMT_END
4080# else
4081# define PERLIO_INIT
d0820ef1 4082# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 4083# endif
6b29934b
NC		 4084#else
4085# define PERLIO_INIT
4086# define PERLIO_TERM
6cb8cb21
RGS		 4087#endif
4088
18f739ee 4089#ifdef MYMALLOC
772fe5b3 4090# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 4091# define MALLOC_INIT \
4092 STMT_START { \
4093 PL_malloc_mutex = NULL; \
4094 MUTEX_INIT(&PL_malloc_mutex); \
4095 } STMT_END
4096# define MALLOC_TERM \
4097 STMT_START { \
4098 perl_mutex tmp = PL_malloc_mutex; \
4099 PL_malloc_mutex = NULL; \
4100 MUTEX_DESTROY(&tmp); \
4101 } STMT_END
4102# else
4103# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4104# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4105# endif
18f739ee
IZ		 4106#else
4107# define MALLOC_INIT
4108# define MALLOC_TERM
4109#endif
4110
cd1541b2 4111#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 4112
4113struct perl_memory_debug_header;
cd1541b2
NC		 4114struct perl_memory_debug_header {
4115 tTHX interpreter;
4116# ifdef PERL_POISON
4117 MEM_SIZE size;
cd1541b2 4118# endif
7cb608b5
NC		 4119 struct perl_memory_debug_header *prev;
4120 struct perl_memory_debug_header *next;
cd1541b2
NC		 4121};
4122
4123# define sTHX (sizeof(struct perl_memory_debug_header) + \
4124 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4125 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4126
d8fca402
NC		 4127#else
4128# define sTHX 0
cd1541b2
NC		 4129#endif
4130
7cb608b5
NC		 4131#ifdef PERL_TRACK_MEMPOOL
4132# define INIT_TRACK_MEMPOOL(header, interp) \
4133 STMT_START { \
4134 (header).interpreter = (interp); \
4135 (header).prev = (header).next = &(header); \
4136 } STMT_END
4137# else
4138# define INIT_TRACK_MEMPOOL(header, interp)
4139#endif
4140
1cd66f7c
DD		 4141#ifdef I_MALLOCMALLOC
4142/* Needed for malloc_size(), malloc_good_size() on some systems */
4143# include <malloc/malloc.h>
4144#endif
4145
ca7c1a29
NC		 4146#ifdef MYMALLOC
4147# define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
cfe52898 4148#else
e82be400
NC		 4149# ifdef HAS_MALLOC_SIZE
4150# ifdef PERL_TRACK_MEMPOOL
cfe52898
RGS		 4151# define Perl_safesysmalloc_size(where) \
4152 (malloc_size(((char *)(where)) - sTHX) - sTHX)
e82be400
NC		 4153# else
4154# define Perl_safesysmalloc_size(where) malloc_size(where)
4155# endif
4156# endif
4157# ifdef HAS_MALLOC_GOOD_SIZE
4158# ifdef PERL_TRACK_MEMPOOL
d8fca402
NC		 4159# define Perl_malloc_good_size(how_much) \
4160 (malloc_good_size((how_much) + sTHX) - sTHX)
e82be400
NC		 4161# else
4162# define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4163# endif
4164# else
d8fca402
NC		 4165/* Having this as the identity operation makes some code simpler. */
4166# define Perl_malloc_good_size(how_much) (how_much)
e82be400 4167# endif
ca7c1a29 4168#endif
b6d9d515 4169
16c91539
BM		 4170typedef int (*runops_proc_t)(pTHX);
4171typedef void (*share_proc_t) (pTHX_ SV *sv);
4172typedef int (*thrhook_proc_t) (pTHX);
4173typedef OP* (*PPADDR_t[]) (pTHX);
4174typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4175typedef void (*despatch_signals_proc_t) (pTHX);
22c35a8c 4176
8f1f23e8
W		 4177/* NeXT has problems with crt0.o globals */
4178#if defined(__DYNAMIC__) && \
6239f2da 4179 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 4180# if defined(NeXT) || defined(__NeXT)
4181# include <mach-o/dyld.h>
4182# define environ (*environ_pointer)
0c30d9ec 4183EXT char *** environ_pointer;
8f1f23e8 4184# else
6239f2da 4185# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 4186# include <crt_externs.h> /* for the env array */
4187# define environ (*_NSGetEnviron())
4188# endif
0c30d9ec 4189# endif
8f1f23e8
W		 4190#else
4191 /* VMS and some other platforms don't use the environ array */
13b6e58c 4192# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 4193# if !defined(DONT_DECLARE_STD) || \
4194 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
4195 defined(__sgi) || \
d460ef45 4196 defined(__DGUX)
8f1f23e8 4197extern char ** environ; /* environment variables supplied via exec */
a6c40364 4198# endif
8f1f23e8
W		 4199# endif
4200#endif
79072805 4201
457c5385
NC		 4202#define PERL_PATCHLEVEL_H_IMPLICIT
4203#include "patchlevel.h"
4204#undef PERL_PATCHLEVEL_H_IMPLICIT
4205
4206#define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4207 STRINGIFY(PERL_VERSION) "." \
4208 STRINGIFY(PERL_SUBVERSION)
4209
4210#define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4211 STRINGIFY(PERL_API_VERSION) "." \
4212 STRINGIFY(PERL_API_SUBVERSION)
4213
73c4f7a1
GS		 4214START_EXTERN_C
4215
79072805 4216/* handy constants */
22c35a8c 4217EXTCONST char PL_warn_uninit[]
29489e7c 4218 INIT("Use of uninitialized value%s%s%s");
fef7e7a0
BF		 4219EXTCONST char PL_warn_uninit_sv[]
4220 INIT("Use of uninitialized value%"SVf"%s%s");
22c35a8c 4221EXTCONST char PL_warn_nosemi[]
463ee0b2 4222 INIT("Semicolon seems to be missing");
22c35a8c 4223EXTCONST char PL_warn_reserved[]
463ee0b2 4224 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4225EXTCONST char PL_warn_nl[]
93a17b20 4226 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4227EXTCONST char PL_no_wrongref[]
a0d0e21e 4228 INIT("Can't use %s ref as %s ref");
def89bff
NC		 4229/* The core no longer needs these here. If you require the string constant,
4230 please inline a copy into your own code. */
973a7615
NC		 4231EXTCONST char PL_no_symref[] __attribute__deprecated__
4232 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
def89bff
NC		 4233EXTCONST char PL_no_symref_sv[] __attribute__deprecated__
4234 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 4235EXTCONST char PL_no_usym[]
8990e307 4236 INIT("Can't use an undefined value as %s reference");
22c35a8c 4237EXTCONST char PL_no_aelem[]
93a17b20 4238 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4239EXTCONST char PL_no_helem_sv[]
d04ff51e 4240 INIT("Modification of non-creatable hash value attempted, subscript \"%"SVf"\"");
22c35a8c 4241EXTCONST char PL_no_modify[]
93a17b20 4242 INIT("Modification of a read-only value attempted");
22c35a8c 4243EXTCONST char PL_no_mem[]
93a17b20 4244 INIT("Out of memory!\n");
22c35a8c 4245EXTCONST char PL_no_security[]
463ee0b2 4246 INIT("Insecure dependency in %s%s");
22c35a8c 4247EXTCONST char PL_no_sock_func[]
93a17b20 4248 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4249EXTCONST char PL_no_dir_func[]
93a17b20 4250 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4251EXTCONST char PL_no_func[]
93a17b20 4252 INIT("The %s function is unimplemented");
22c35a8c 4253EXTCONST char PL_no_myglob[]
952306ac 4254 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 4255EXTCONST char PL_no_localize_ref[]
4256 INIT("Can't localize through a reference");
27d5b266
JH		 4257EXTCONST char PL_memory_wrap[]
4258 INIT("panic: memory wrap");
93a17b20 4259
58f645e2
NC		 4260EXTCONST char PL_Yes[]
4261 INIT("1");
4262EXTCONST char PL_No[]
4263 INIT("");
4264EXTCONST char PL_hexdigit[]
4265 INIT("0123456789abcdef0123456789ABCDEF");
4266
0447859b
NC		 4267/* This is constant on most architectures, a global on OS/2 */
4268#ifndef OS2
4269EXTCONST char PL_sh_path[]
4270 INIT(SH_PATH); /* full path of shell */
4271#endif
4272
618b9757
NC		 4273#ifdef CSH
4274EXTCONST char PL_cshname[]
4275 INIT(CSH);
4276# define PL_cshlen (sizeof(CSH "") - 1)
4277#endif
4278
457c5385
NC		 4279/* These are baked at compile time into any shared perl library.
4280 In future releases this will allow us in main() to sanity test the
4281 library we're linking against. */
4282
4283EXTCONST U8 PL_revision
4284 INIT(PERL_REVISION);
4285EXTCONST U8 PL_version
4286 INIT(PERL_VERSION);
4287EXTCONST U8 PL_subversion
4288 INIT(PERL_SUBVERSION);
4289
7575fa06 4290EXTCONST char PL_uuemap[65]
80252599
GS		 4291 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4292
79072805 4293#ifdef DOINIT
9444d213 4294EXTCONST char PL_uudmap[256] =
dde5ec2c
NC		 4295# ifdef PERL_MICRO
4296# include "uuudmap.h"
4297# else
4298# include "uudmap.h"
4299# endif
9444d213 4300;
efa50c51 4301EXTCONST char PL_bitcount[256] =
dde5ec2c
NC		 4302# ifdef PERL_MICRO
4303# include "ubitcount.h"
4304#else
4305# include "bitcount.h"
4306# endif
efa50c51 4307;
27da23d5
JH		 4308EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4309EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4310#else
9444d213 4311EXTCONST char PL_uudmap[256];
efa50c51 4312EXTCONST char PL_bitcount[256];
27da23d5
JH		 4313EXTCONST char* const PL_sig_name[];
4314EXTCONST int PL_sig_num[];
79072805
LW		 4315#endif
4316
6d8e7a01
KW		 4317/* fast conversion and case folding tables. The folding tables complement the
4318 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4319 * folds such as outside the range or to multiple characters. */
bbce6d69 4320
79072805 4321#ifdef DOINIT
d02f4dad
KW		 4322#ifndef EBCDIC
4323
4324/* The EBCDIC fold table depends on the code page, and hence is found in
4325 * utfebcdic.h */
4326
22c35a8c 4327EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4328 0, 1, 2, 3, 4, 5, 6, 7,
4329 8, 9, 10, 11, 12, 13, 14, 15,
4330 16, 17, 18, 19, 20, 21, 22, 23,
4331 24, 25, 26, 27, 28, 29, 30, 31,
4332 32, 33, 34, 35, 36, 37, 38, 39,
4333 40, 41, 42, 43, 44, 45, 46, 47,
4334 48, 49, 50, 51, 52, 53, 54, 55,
4335 56, 57, 58, 59, 60, 61, 62, 63,
4336 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4337 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4338 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4339 'x', 'y', 'z', 91, 92, 93, 94, 95,
4340 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4341 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4342 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4343 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4344 128, 129, 130, 131, 132, 133, 134, 135,
4345 136, 137, 138, 139, 140, 141, 142, 143,
4346 144, 145, 146, 147, 148, 149, 150, 151,
4347 152, 153, 154, 155, 156, 157, 158, 159,
4348 160, 161, 162, 163, 164, 165, 166, 167,
4349 168, 169, 170, 171, 172, 173, 174, 175,
4350 176, 177, 178, 179, 180, 181, 182, 183,
4351 184, 185, 186, 187, 188, 189, 190, 191,
4352 192, 193, 194, 195, 196, 197, 198, 199,
4353 200, 201, 202, 203, 204, 205, 206, 207,
4354 208, 209, 210, 211, 212, 213, 214, 215,
4355 216, 217, 218, 219, 220, 221, 222, 223,
4356 224, 225, 226, 227, 228, 229, 230, 231,
4357 232, 233, 234, 235, 236, 237, 238, 239,
4358 240, 241, 242, 243, 244, 245, 246, 247,
4359 248, 249, 250, 251, 252, 253, 254, 255
4360};
3871f40b
KW		 4361EXTCONST unsigned char PL_fold_latin1[] = {
4362 /* Full latin1 complement folding, except for three problematic code points:
4363 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4364 * fold complements outside the Latin1 range, so can't match something
4365 * that isn't in utf8.
4366 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4367 * not one, so can't be represented in this table.
4368 *
4369 * All have to be specially handled */
4370 0, 1, 2, 3, 4, 5, 6, 7,
4371 8, 9, 10, 11, 12, 13, 14, 15,
4372 16, 17, 18, 19, 20, 21, 22, 23,
4373 24, 25, 26, 27, 28, 29, 30, 31,
4374 32, 33, 34, 35, 36, 37, 38, 39,
4375 40, 41, 42, 43, 44, 45, 46, 47,
4376 48, 49, 50, 51, 52, 53, 54, 55,
4377 56, 57, 58, 59, 60, 61, 62, 63,
4378 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4379 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4380 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4381 'x', 'y', 'z', 91, 92, 93, 94, 95,
4382 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4383 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4384 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4385 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4386 128, 129, 130, 131, 132, 133, 134, 135,
4387 136, 137, 138, 139, 140, 141, 142, 143,
4388 144, 145, 146, 147, 148, 149, 150, 151,
4389 152, 153, 154, 155, 156, 157, 158, 159,
4390 160, 161, 162, 163, 164, 165, 166, 167,
4391 168, 169, 170, 171, 172, 173, 174, 175,
4392 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4393 184, 185, 186, 187, 188, 189, 190, 191,
4394 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4395 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4396 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4397 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4398 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4399 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4400 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4401 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4402 255 /* y with diaeresis */
4403};
00f254e2
KW		 4404#endif /* !EBCDIC, but still in DOINIT */
4405
4406/* If these tables are accessed through ebcdic, the access will be converted to
4407 * latin1 first */
4408EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4409 0, 1, 2, 3, 4, 5, 6, 7,
4410 8, 9, 10, 11, 12, 13, 14, 15,
4411 16, 17, 18, 19, 20, 21, 22, 23,
4412 24, 25, 26, 27, 28, 29, 30, 31,
4413 32, 33, 34, 35, 36, 37, 38, 39,
4414 40, 41, 42, 43, 44, 45, 46, 47,
4415 48, 49, 50, 51, 52, 53, 54, 55,
4416 56, 57, 58, 59, 60, 61, 62, 63,
4417 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4418 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4419 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4420 'x', 'y', 'z', 91, 92, 93, 94, 95,
4421 96, 97, 98, 99, 100, 101, 102, 103,
4422 104, 105, 106, 107, 108, 109, 110, 111,
4423 112, 113, 114, 115, 116, 117, 118, 119,
4424 120, 121, 122, 123, 124, 125, 126, 127,
4425 128, 129, 130, 131, 132, 133, 134, 135,
4426 136, 137, 138, 139, 140, 141, 142, 143,
4427 144, 145, 146, 147, 148, 149, 150, 151,
4428 152, 153, 154, 155, 156, 157, 158, 159,
4429 160, 161, 162, 163, 164, 165, 166, 167,
4430 168, 169, 170, 171, 172, 173, 174, 175,
4431 176, 177, 178, 179, 180, 181, 182, 183,
4432 184, 185, 186, 187, 188, 189, 190, 191,
4433 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4434 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4435 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4436 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4437 224, 225, 226, 227, 228, 229, 230, 231,
4438 232, 233, 234, 235, 236, 237, 238, 239,
4439 240, 241, 242, 243, 244, 245, 246, 247,
4440 248, 249, 250, 251, 252, 253, 254, 255
4441};
4442
4443/* upper and title case of latin1 characters, modified so that the three tricky
4444 * ones are mapped to 255 (which is one of the three) */
4445EXTCONST unsigned char PL_mod_latin1_uc[] = {
4446 0, 1, 2, 3, 4, 5, 6, 7,
4447 8, 9, 10, 11, 12, 13, 14, 15,
4448 16, 17, 18, 19, 20, 21, 22, 23,
4449 24, 25, 26, 27, 28, 29, 30, 31,
4450 32, 33, 34, 35, 36, 37, 38, 39,
4451 40, 41, 42, 43, 44, 45, 46, 47,
4452 48, 49, 50, 51, 52, 53, 54, 55,
4453 56, 57, 58, 59, 60, 61, 62, 63,
4454 64, 65, 66, 67, 68, 69, 70, 71,
4455 72, 73, 74, 75, 76, 77, 78, 79,
4456 80, 81, 82, 83, 84, 85, 86, 87,
4457 88, 89, 90, 91, 92, 93, 94, 95,
4458 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4459 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4460 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4461 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4462 128, 129, 130, 131, 132, 133, 134, 135,
4463 136, 137, 138, 139, 140, 141, 142, 143,
4464 144, 145, 146, 147, 148, 149, 150, 151,
4465 152, 153, 154, 155, 156, 157, 158, 159,
4466 160, 161, 162, 163, 164, 165, 166, 167,
4467 168, 169, 170, 171, 172, 173, 174, 175,
4468 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4469 184, 185, 186, 187, 188, 189, 190, 191,
4470 192, 193, 194, 195, 196, 197, 198, 199,
4471 200, 201, 202, 203, 204, 205, 206, 207,
4472 208, 209, 210, 211, 212, 213, 214, 215,
4473 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/,
4474 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4475 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4476 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4477 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4478};
4479#else /* ! DOINIT */
22c35a8c 4480EXTCONST unsigned char PL_fold[];
3871f40b 4481EXTCONST unsigned char PL_fold_latin1[];
00f254e2
KW		 4482EXTCONST unsigned char PL_mod_latin1_uc[];
4483EXTCONST unsigned char PL_latin1_lc[];
79072805
LW		 4484#endif
4485
27da23d5 4486#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4487#ifdef DOINIT
27da23d5 4488EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4489 0, 1, 2, 3, 4, 5, 6, 7,
4490 8, 9, 10, 11, 12, 13, 14, 15,
4491 16, 17, 18, 19, 20, 21, 22, 23,
4492 24, 25, 26, 27, 28, 29, 30, 31,
4493 32, 33, 34, 35, 36, 37, 38, 39,
4494 40, 41, 42, 43, 44, 45, 46, 47,
4495 48, 49, 50, 51, 52, 53, 54, 55,
4496 56, 57, 58, 59, 60, 61, 62, 63,
4497 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4498 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4499 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4500 'x', 'y', 'z', 91, 92, 93, 94, 95,
4501 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4502 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4503 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4504 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4505 128, 129, 130, 131, 132, 133, 134, 135,
4506 136, 137, 138, 139, 140, 141, 142, 143,
4507 144, 145, 146, 147, 148, 149, 150, 151,
4508 152, 153, 154, 155, 156, 157, 158, 159,
4509 160, 161, 162, 163, 164, 165, 166, 167,
4510 168, 169, 170, 171, 172, 173, 174, 175,
4511 176, 177, 178, 179, 180, 181, 182, 183,
4512 184, 185, 186, 187, 188, 189, 190, 191,
4513 192, 193, 194, 195, 196, 197, 198, 199,
4514 200, 201, 202, 203, 204, 205, 206, 207,
4515 208, 209, 210, 211, 212, 213, 214, 215,
4516 216, 217, 218, 219, 220, 221, 222, 223,
4517 224, 225, 226, 227, 228, 229, 230, 231,
4518 232, 233, 234, 235, 236, 237, 238, 239,
4519 240, 241, 242, 243, 244, 245, 246, 247,
4520 248, 249, 250, 251, 252, 253, 254, 255
4521};
4522#else
27da23d5 4523EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4524#endif
27da23d5 4525#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4526
4527#ifdef DOINIT
9d116dd7 4528#ifdef EBCDIC
27da23d5 4529EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4530 1, 2, 84, 151, 154, 155, 156, 157,
4531 165, 246, 250, 3, 158, 7, 18, 29,
4532 40, 51, 62, 73, 85, 96, 107, 118,
4533 129, 140, 147, 148, 149, 150, 152, 153,
4534 255, 6, 8, 9, 10, 11, 12, 13,
4535 14, 15, 24, 25, 26, 27, 28, 226,
4536 29, 30, 31, 32, 33, 43, 44, 45,
4537 46, 47, 48, 49, 50, 76, 77, 78,
4538 79, 80, 81, 82, 83, 84, 85, 86,
4539 87, 94, 95, 234, 181, 233, 187, 190,
4540 180, 96, 97, 98, 99, 100, 101, 102,
4541 104, 112, 182, 174, 236, 232, 229, 103,
4542 228, 226, 114, 115, 116, 117, 118, 119,
4543 120, 121, 122, 235, 176, 230, 194, 162,
4544 130, 131, 132, 133, 134, 135, 136, 137,
4545 138, 139, 201, 205, 163, 217, 220, 224,
4546 5, 248, 227, 244, 242, 255, 241, 231,
4547 240, 253, 16, 197, 19, 20, 21, 187,
4548 23, 169, 210, 245, 237, 249, 247, 239,
4549 168, 252, 34, 196, 36, 37, 38, 39,
4550 41, 42, 251, 254, 238, 223, 221, 213,
4551 225, 177, 52, 53, 54, 55, 56, 57,
4552 58, 59, 60, 61, 63, 64, 65, 66,
4553 67, 68, 69, 70, 71, 72, 74, 75,
4554 205, 208, 186, 202, 200, 218, 198, 179,
4555 178, 214, 88, 89, 90, 91, 92, 93,
4556 217, 166, 170, 207, 199, 209, 206, 204,
4557 160, 212, 105, 106, 108, 109, 110, 111,
4558 203, 113, 216, 215, 192, 175, 193, 243,
4559 172, 161, 123, 124, 125, 126, 127, 128,
4560 222, 219, 211, 195, 188, 193, 185, 184,
4561 191, 183, 141, 142, 143, 144, 145, 146
4562};
4563#else /* ascii rather than ebcdic */
22c35a8c 4564EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4565 1, 2, 84, 151, 154, 155, 156, 157,
4566 165, 246, 250, 3, 158, 7, 18, 29,
4567 40, 51, 62, 73, 85, 96, 107, 118,
4568 129, 140, 147, 148, 149, 150, 152, 153,
4569 255, 182, 224, 205, 174, 176, 180, 217,
4570 233, 232, 236, 187, 235, 228, 234, 226,
4571 222, 219, 211, 195, 188, 193, 185, 184,
4572 191, 183, 201, 229, 181, 220, 194, 162,
4573 163, 208, 186, 202, 200, 218, 198, 179,
4574 178, 214, 166, 170, 207, 199, 209, 206,
4575 204, 160, 212, 216, 215, 192, 175, 173,
4576 243, 172, 161, 190, 203, 189, 164, 230,
4577 167, 248, 227, 244, 242, 255, 241, 231,
4578 240, 253, 169, 210, 245, 237, 249, 247,
4579 239, 168, 252, 251, 254, 238, 223, 221,
4580 213, 225, 177, 197, 171, 196, 159, 4,
4581 5, 6, 8, 9, 10, 11, 12, 13,
4582 14, 15, 16, 17, 19, 20, 21, 22,
4583 23, 24, 25, 26, 27, 28, 30, 31,
4584 32, 33, 34, 35, 36, 37, 38, 39,
4585 41, 42, 43, 44, 45, 46, 47, 48,
4586 49, 50, 52, 53, 54, 55, 56, 57,
4587 58, 59, 60, 61, 63, 64, 65, 66,
4588 67, 68, 69, 70, 71, 72, 74, 75,
4589 76, 77, 78, 79, 80, 81, 82, 83,
4590 86, 87, 88, 89, 90, 91, 92, 93,
4591 94, 95, 97, 98, 99, 100, 101, 102,
4592 103, 104, 105, 106, 108, 109, 110, 111,
4593 112, 113, 114, 115, 116, 117, 119, 120,
4594 121, 122, 123, 124, 125, 126, 127, 128,
4595 130, 131, 132, 133, 134, 135, 136, 137,
4596 138, 139, 141, 142, 143, 144, 145, 146
4597};
9d116dd7 4598#endif
79072805 4599#else
22c35a8c 4600EXTCONST unsigned char PL_freq[];
79072805
LW		 4601#endif
4602
b0812ba3
DM		 4603/* Although only used for debugging, these constants must be available in
4604 * non-debugging builds too, since they're used in ext/re/re_exec.c,
4605 * which has DEBUGGING enabled always */
8990e307 4606#ifdef DOINIT
27da23d5 4607EXTCONST char* const PL_block_type[] = {
8990e307 4608 "NULL",
d01136d6 4609 "WHEN",
8990e307 4610 "BLOCK",
0d863452 4611 "GIVEN",
d01136d6
BS		 4612 "LOOP_FOR",
4613 "LOOP_PLAIN",
4614 "LOOP_LAZYSV",
4615 "LOOP_LAZYIV",
76753e7f
NC		 4616 "SUB",
4617 "FORMAT",
4618 "EVAL",
4619 "SUBST"
8990e307
LW		 4620};
4621#else
22c35a8c 4622EXTCONST char* PL_block_type[];
8990e307 4623#endif
8990e307 4624
b75885fd
NC		 4625/* These are all the compile time options that affect binary compatibility.
4626 Other compile time options that are binary compatible are in perl.c
4627 Both are combined for the output of perl -V
4628 However, this string will be embedded in any shared perl library, which will
4629 allow us add a comparison check in perlmain.c in the near future. */
4630#ifdef DOINIT
4631EXTCONST char PL_bincompat_options[] =
4632# ifdef DEBUG_LEAKING_SCALARS
4633 " DEBUG_LEAKING_SCALARS"
4634# endif
4635# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4636 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4637# endif
4638# ifdef FAKE_THREADS
4639 " FAKE_THREADS"
4640# endif
eba804b9
NC		 4641# ifdef FCRYPT
4642 " FCRYPT"
4643# endif
4644# ifdef HAS_TIMES
4645 " HAS_TIMES"
4646# endif
4647# ifdef HAVE_INTERP_INTERN
426f6eb2 4648 " HAVE_INTERP_INTERN"
eba804b9 4649# endif
b75885fd
NC		 4650# ifdef MULTIPLICITY
4651 " MULTIPLICITY"
4652# endif
4653# ifdef MYMALLOC
4654 " MYMALLOC"
4655# endif
eba804b9
NC		 4656# ifdef PERLIO_LAYERS
4657 " PERLIO_LAYERS"
4658# endif
b75885fd
NC		 4659# ifdef PERL_DEBUG_READONLY_OPS
4660 " PERL_DEBUG_READONLY_OPS"
4661# endif
4662# ifdef PERL_GLOBAL_STRUCT
4663 " PERL_GLOBAL_STRUCT"
4664# endif
4665# ifdef PERL_IMPLICIT_CONTEXT
4666 " PERL_IMPLICIT_CONTEXT"
4667# endif
4668# ifdef PERL_IMPLICIT_SYS
4669 " PERL_IMPLICIT_SYS"
4670# endif
4671# ifdef PERL_MAD
4672 " PERL_MAD"
4673# endif
eba804b9
NC		 4674# ifdef PERL_MICRO
4675 " PERL_MICRO"
4676# endif
b75885fd
NC		 4677# ifdef PERL_NEED_APPCTX
4678 " PERL_NEED_APPCTX"
4679# endif
4680# ifdef PERL_NEED_TIMESBASE
4681 " PERL_NEED_TIMESBASE"
4682# endif
4683# ifdef PERL_OLD_COPY_ON_WRITE
4684 " PERL_OLD_COPY_ON_WRITE"
4685# endif
4686# ifdef PERL_POISON
4687 " PERL_POISON"
4688# endif
4689# ifdef PERL_TRACK_MEMPOOL
4690 " PERL_TRACK_MEMPOOL"
4691# endif
4692# ifdef PERL_USES_PL_PIDSTATUS
4693 " PERL_USES_PL_PIDSTATUS"
4694# endif
4695# ifdef PL_OP_SLAB_ALLOC
4696 " PL_OP_SLAB_ALLOC"
4697# endif
b75885fd
NC		 4698# ifdef USE_64_BIT_ALL
4699 " USE_64_BIT_ALL"
4700# endif
4701# ifdef USE_64_BIT_INT
4702 " USE_64_BIT_INT"
4703# endif
c7b392fa
NC		 4704# ifdef USE_IEEE
4705 " USE_IEEE"
4706# endif
b75885fd
NC		 4707# ifdef USE_ITHREADS
4708 " USE_ITHREADS"
4709# endif
4710# ifdef USE_LARGE_FILES
4711 " USE_LARGE_FILES"
4712# endif
eba804b9
NC		 4713# ifdef USE_LOCALE_COLLATE
4714 " USE_LOCALE_COLLATE"
4715# endif
4716# ifdef USE_LOCALE_NUMERIC
4717 " USE_LOCALE_NUMERIC"
4718# endif
b75885fd
NC		 4719# ifdef USE_LONG_DOUBLE
4720 " USE_LONG_DOUBLE"
4721# endif
4722# ifdef USE_PERLIO
4723 " USE_PERLIO"
4724# endif
4725# ifdef USE_REENTRANT_API
4726 " USE_REENTRANT_API"
4727# endif
4728# ifdef USE_SFIO
4729 " USE_SFIO"
4730# endif
4731# ifdef USE_SOCKS
4732 " USE_SOCKS"
4733# endif
4f575702
CB		 4734# ifdef VMS_DO_SOCKETS
4735 " VMS_DO_SOCKETS"
4f575702 4736# endif
e8b231c6
CB		 4737# ifdef VMS_SHORTEN_LONG_SYMBOLS
4738 " VMS_SHORTEN_LONG_SYMBOLS"
4739# endif
ad5e438d
NC		 4740# ifdef VMS_WE_ARE_CASE_SENSITIVE
4741 " VMS_SYMBOL_CASE_AS_IS"
4742# endif
a68dd89e 4743 "";
b75885fd
NC		 4744#else
4745EXTCONST char PL_bincompat_options[];
4746#endif
4747
ca7b837b
SM		 4748#ifndef PERL_SET_PHASE
4749# define PERL_SET_PHASE(new_phase) \
cb3f8189 4750 PHASE_CHANGE_PROBE(PL_phase_names[new_phase], PL_phase_names[PL_phase]); \
ca7b837b
SM		 4751 PL_phase = new_phase;
4752#endif
4753
9ebf26ad
FR		 4754/* The interpreter phases. If these ever change, PL_phase_names right below will
4755 * need to be updated accordingly. */
4756enum perl_phase {
4757 PERL_PHASE_CONSTRUCT = 0,
4758 PERL_PHASE_START = 1,
4759 PERL_PHASE_CHECK = 2,
4760 PERL_PHASE_INIT = 3,
4761 PERL_PHASE_RUN = 4,
4762 PERL_PHASE_END = 5,
4763 PERL_PHASE_DESTRUCT = 6
4764};
4765
4766#ifdef DOINIT
4767EXTCONST char *const PL_phase_names[] = {
4768 "CONSTRUCT",
4769 "START",
4770 "CHECK",
4771 "INIT",
4772 "RUN",
4773 "END",
4774 "DESTRUCT"
4775};
4776#else
4777EXTCONST char *const PL_phase_names[];
4778#endif
4779
627364f1
FR		 4780#ifndef PERL_CORE
4781/* Do not use this macro. It only exists for extensions that rely on PL_dirty
4782 * instead of using the newer PL_phase, which provides everything PL_dirty
4783 * provided, and more. */
4784# define PL_dirty (PL_phase == PERL_PHASE_DESTRUCT)
66978156
FC		 4785
4786# define PL_amagic_generation PL_na
627364f1
FR		 4787#endif /* !PERL_CORE */
4788
73c4f7a1
GS		 4789END_EXTERN_C
4790
79072805
LW		 4791/*****************************************************************************/
4792/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4793/*****************************************************************************/
8990e307 4794/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4795
d4c3c482 4796#ifdef __Lynx__
9cffb111
OS		 4797/* LynxOS defines these in scsi.h which is included via ioctl.h */
4798#ifdef FORMAT
4799#undef FORMAT
4800#endif
4801#ifdef SPACE
4802#undef SPACE
4803#endif
d4c3c482 4804#endif
9cffb111 4805
fb73857a 4806#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4807
79072805
LW		 4808typedef enum {
4809 XOPERATOR,
4810 XTERM,
79072805 4811 XREF,
8990e307 4812 XSTATE,
a0d0e21e 4813 XBLOCK,
09bef843
SB		 4814 XATTRBLOCK,
4815 XATTRTERM,
6f33ba73
RGS		 4816 XTERMBLOCK,
4817 XTERMORDORDOR /* evil hack */
27308ded 4818 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4819} expectation;
4820
d5ec2987
NC		 4821/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4822 special and there is no need for HINT_PRIVATE_MASK for COPs
4823 However, bitops store HINT_INTEGER in their op_private. */
9cfe5470
RGS		 4824#define HINT_INTEGER 0x00000001 /* integer pragma */
4825#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4826#define HINT_LOCALE 0x00000004 /* locale pragma */
4827#define HINT_BYTES 0x00000008 /* bytes pragma */
66cbab2c 4828#define HINT_LOCALE_NOT_CHARS 0x00000010 /* locale ':not_characters' pragma */
894ea76b
FC		 4829
4830#define HINT_EXPLICIT_STRICT_REFS 0x00000020 /* strict.pm */
4831#define HINT_EXPLICIT_STRICT_SUBS 0x00000040 /* strict.pm */
4832#define HINT_EXPLICIT_STRICT_VARS 0x00000080 /* strict.pm */
85e6fe83
LW		 4833
4834#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4835#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4836#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
1863b879 4837#define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */
85e6fe83 4838
9cfe5470 4839/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4840#define HINT_NEW_INTEGER 0x00001000
4841#define HINT_NEW_FLOAT 0x00002000
4842#define HINT_NEW_BINARY 0x00004000
4843#define HINT_NEW_STRING 0x00008000
4844#define HINT_NEW_RE 0x00010000
4845#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 4846#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4847#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 4848
9cfe5470
RGS		 4849#define HINT_RE_TAINT 0x00100000 /* re pragma */
4850#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4851
9cfe5470
RGS		 4852#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4853#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4854
e46c382e
YK		 4855#define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
4856
1e215989
FC		 4857#define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */
4858
a803b9b4
FC		 4859#define HINT_FEATURE_MASK 0x1c000000 /* 3 bits for feature bundles */
4860
894ea76b
FC		 4861 /* Note: Used for NATIVE_HINTS, currently
4862 defined by vms/vmsish.h:
4863 0x40000000
4864 0x80000000
4865 */
d1718a7c 4866
0239f47c 4867/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4868#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4869#define HINT_SORT_QUICKSORT 0x00000001
4870#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4871#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4872
8bfdd7d9 4873/* Various states of the input record separator SV (rs) */
d4cce5f1 4874#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4875#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4876#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4877#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4878
128e8167 4879/* A struct for keeping various DEBUGGING related stuff,
ce333219 4880 * neatly packed. Currently only scratch variables for
128e8167
JH		 4881 * constructing debug output are included. Needed always,
4882 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4883struct perl_debug_pad {
4884 SV pad[3];
4885};
4886
4887#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4888#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4889 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4890 PERL_DEBUG_PAD(i))
ce333219 4891
56953603 4892/* Enable variables which are pointers to functions */
16c91539
BM		 4893typedef void (*peep_t)(pTHX_ OP* o);
4894typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm);
4895typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg,
0cb96387
GS		 4896 char* strend, char* strbeg, I32 minend,
4897 SV* screamer, void* data, U32 flags);
16c91539 4898typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv,
f722798b
IZ		 4899 char *strpos, char *strend,
4900 U32 flags,
9f61653a 4901 re_scream_pos_data *d);
16c91539
BM		 4902typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog);
4903typedef void (*regfree_t) (pTHX_ struct regexp* r);
4904typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param);
a932d541 4905typedef I32 (*re_fold_t)(const char *, char const *, I32);
56953603 4906
c76ac1ee 4907typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc 4908typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
f30de749 4909typedef void (*SVFUNC_t) (pTHX_ SV* const);
31e9e0a3 4910typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
acfe0abc
GS		 4911typedef void (*XSINIT_t) (pTHX);
4912typedef void (*ATEXIT_t) (pTHX_ void*);
4913typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4914
16c91539
BM		 4915typedef OP* (*Perl_ppaddr_t)(pTHX);
4916typedef OP* (*Perl_check_t) (pTHX_ OP*);
4917typedef void(*Perl_ophook_t)(pTHX_ OP*);
4918typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**);
1830b3d9 4919typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *);
88e1f1a2 4920
d67594ff
FC		 4921typedef void(*globhook_t)(pTHX);
4922
88e1f1a2
JV		 4923#define KEYWORD_PLUGIN_DECLINE 0
4924#define KEYWORD_PLUGIN_STMT 1
4925#define KEYWORD_PLUGIN_EXPR 2
22239a37 4926
58a50f62
GS		 4927/* Interpreter exitlist entry */
4928typedef struct exitlistentry {
acfe0abc 4929 void (*fn) (pTHX_ void*);
58a50f62
GS		 4930 void *ptr;
4931} PerlExitListEntry;
4932
aadb217d
JH		 4933/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4934/* These have to be before perlvars.h */
4935#if !defined(HAS_SIGACTION) && defined(VMS)
4936# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4937#endif
4938/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4939#if defined(KILL_BY_SIGPRC)
4940# define FAKE_DEFAULT_SIGNAL_HANDLERS
4941#endif
4942
8c1cc017
NC		 4943#if !defined(MULTIPLICITY)
4944
4945struct interpreter {
4946 char broiled;
22239a37
NIS		 4947};
4948
8c1cc017 4949#else
22239a37 4950
d460ef45 4951/* If we have multiple interpreters define a struct
d4cce5f1 4952 holding variables which must be per-interpreter
d460ef45 4953 If we don't have threads anything that would have
d4cce5f1
NIS		 4954 be per-thread is per-interpreter.
4955*/
4956
8c1cc017 4957/* Set up PERLVAR macros for populating structs */
115ff745
NC		 4958# define PERLVAR(prefix,var,type) type prefix##var;
4959# define PERLVARA(prefix,var,n,type) type prefix##var[n];
4960# define PERLVARI(prefix,var,type,init) type prefix##var;
4961# define PERLVARIC(prefix,var,type,init) type prefix##var;
8c1cc017 4962
79072805 4963struct interpreter {
7766f137 4964# include "intrpvar.h"
49f531da 4965};
d4cce5f1 4966
724cf8d6
NC		 4967EXTCONST U16 PL_interp_size
4968 INIT(sizeof(struct interpreter));
4969
4970# define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \
4971 STRUCT_OFFSET(struct interpreter, member) + \
4972 sizeof(((struct interpreter*)0)->member)
4973
4974/* This will be useful for subsequent releases, because this has to be the
4975 same in your libperl as in main(), else you have a mismatch and must abort.
4976*/
4977EXTCONST U16 PL_interp_size_5_16_0
4978 INIT(PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_16_0_INTERP_MEMBER));
4979
4980
8c1cc017
NC		 4981# ifdef PERL_GLOBAL_STRUCT
4982/* MULTIPLICITY is automatically defined when PERL_GLOBAL_STRUCT is defined,
4983 hence it's safe and sane to nest this within #ifdef MULTIPLICITY */
4984
4985struct perl_vars {
4986# include "perlvars.h"
49f531da 4987};
8c1cc017 4988
724cf8d6
NC		 4989EXTCONST U16 PL_global_struct_size
4990 INIT(sizeof(struct perl_vars));
4991
8c1cc017
NC		 4992# ifdef PERL_CORE
4993# ifndef PERL_GLOBAL_STRUCT_PRIVATE
4994EXT struct perl_vars PL_Vars;
4995EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
4996# undef PERL_GET_VARS
4997# define PERL_GET_VARS() PL_VarsPtr
4998# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
4999# else /* PERL_CORE */
5000# if !defined(__GNUC__) || !defined(WIN32)
5001EXT
5002# endif /* WIN32 */
5003struct perl_vars *PL_VarsPtr;
5004# define PL_Vars (*((PL_VarsPtr) \
5005 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
5006# endif /* PERL_CORE */
5007# endif /* PERL_GLOBAL_STRUCT */
79072805 5008
22239a37 5009/* Done with PERLVAR macros for now ... */
8c1cc017
NC		 5010# undef PERLVAR
5011# undef PERLVARA
5012# undef PERLVARI
5013# undef PERLVARIC
8c1cc017
NC		 5014
5015#endif /* MULTIPLICITY */
79072805 5016
f7fe979e 5017struct tempsym; /* defined in pp_pack.c */
49704364 5018
22239a37 5019#include "thread.h"
79072805 5020#include "pp.h"
864dbfa3
GS		 5021
5022#ifndef PERL_CALLCONV
a0c21aa1
JH		 5023# ifdef __cplusplus
5024# define PERL_CALLCONV extern "C"
5025# else
5026# define PERL_CALLCONV
5027# endif
d460ef45 5028#endif
0cb96387
GS		 5029#undef PERL_CKDEF
5030#undef PERL_PPDEF
0159f81b
JH		 5031#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
5032#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 5033
158cfab6
JD		 5034#ifdef MYMALLOC
5035# include "malloc_ctl.h"
5036#endif
5037
7766f137 5038#include "proto.h"
864dbfa3 5039
0cb96387 5040/* this has structure inits, so it cannot be included before here */
acfe0abc 5041#include "opcode.h"
864dbfa3 5042
d4cce5f1
NIS		 5043/* The following must follow proto.h as #defines mess up syntax */
5044
22c35a8c
GS		 5045#if !defined(PERL_FOR_X2P)
5046# include "embedvar.h"
5047#endif
598921a7
NC		 5048#ifndef PERL_MAD
5049# undef PL_madskills
5050# undef PL_xmlfp
5051# define PL_madskills 0
5052# define PL_xmlfp 0
5053#endif
d4cce5f1 5054
d460ef45 5055/* Now include all the 'global' variables
d4cce5f1 5056 * If we don't have threads or multiple interpreters
d460ef45 5057 * these include variables that would have been their struct-s
d4cce5f1 5058 */
d460ef45 5059
115ff745
NC		 5060#define PERLVAR(prefix,var,type) EXT type PL_##var;
5061#define PERLVARA(prefix,var,n,type) EXT type PL_##var[n];
5062#define PERLVARI(prefix,var,type,init) EXT type PL_##var INIT(init);
5063#define PERLVARIC(prefix,var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 5064
acfe0abc 5065#if !defined(MULTIPLICITY)
7766f137 5066START_EXTERN_C
066ef5b5 5067# include "intrpvar.h"
7766f137 5068END_EXTERN_C
22239a37
NIS		 5069#endif
5070
24792b8d
NC		 5071#ifdef PERL_CORE
5072/* All core uses now exterminated. Ensure no zombies can return: */
5073# undef PL_na
5074#endif
5075
f9293c5b
NC		 5076/* Now all the config stuff is setup we can include embed.h
5077 In particular, need the relevant *ish file included already, as it may
5078 define HAVE_INTERP_INTERN */
5079#include "embed.h"
5080#ifndef PERL_MAD
5081# undef op_getmad
5082# define op_getmad(arg,pegop,slot) NOOP
acfe0abc 5083#endif
22239a37 5084
c5be433b
GS		 5085#ifndef PERL_GLOBAL_STRUCT
5086START_EXTERN_C
5087
5088# include "perlvars.h"
5089
5090END_EXTERN_C
5091#endif
5092
d4cce5f1 5093#undef PERLVAR
51371543 5094#undef PERLVARA
d4cce5f1 5095#undef PERLVARI
0f3f18a6 5096#undef PERLVARIC
79072805 5097
73c4f7a1
GS		 5098START_EXTERN_C
5099
af2f0da9
NC		 5100/* dummy variables that hold pointers to both runops functions, thus forcing
5101 * them *both* to get linked in (useful for Peek.xs, debugging etc) */
5102
5103EXTCONST runops_proc_t PL_runops_std
5104 INIT(Perl_runops_standard);
5105EXTCONST runops_proc_t PL_runops_dbg
5106 INIT(Perl_runops_debug);
5107
bc028b6b
JH		 5108/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
5109 * magic vtables const, but this is incompatible with SWIG which
5110 * does want to modify the vtables. */
5111#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5112# define EXT_MGVTBL EXTCONST MGVTBL
5113#else
5114# define EXT_MGVTBL EXT MGVTBL
5115#endif
5116
82ff486e 5117#define PERL_MAGIC_READONLY_ACCEPTABLE 0x40
e0a73de4
NC		 5118#define PERL_MAGIC_VALUE_MAGIC 0x80
5119#define PERL_MAGIC_VTABLE_MASK 0x3F
82ff486e
NC		 5120#define PERL_MAGIC_TYPE_READONLY_ACCEPTABLE(t) \
5121 (PL_magic_data[(U8)(t)] & PERL_MAGIC_READONLY_ACCEPTABLE)
e0a73de4
NC		 5122#define PERL_MAGIC_TYPE_IS_VALUE_MAGIC(t) \
5123 (PL_magic_data[(U8)(t)] & PERL_MAGIC_VALUE_MAGIC)
5124
8b09643d 5125#include "mg_vtable.h"
6f83ef0e
NC		 5126
5127#ifdef DOINIT
5128EXTCONST U8 PL_magic_data[256] =
dde5ec2c
NC		 5129# ifdef PERL_MICRO
5130# include "umg_data.h"
5131# else
5132# include "mg_data.h"
5133# endif
6f83ef0e
NC		 5134;
5135#else
5136EXTCONST U8 PL_magic_data[256];
5137#endif
5138
f1fb8741
DM		 5139#ifdef DOINIT
5140 /* NL BD IV NV PV PI PN MG RX GV LV AV HV CV FM IO */
5141EXTCONST bool
5142PL_valid_types_IVX[] = { 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
5143EXTCONST bool
5144PL_valid_types_NVX[] = { 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
5145EXTCONST bool
5146PL_valid_types_PVX[] = { 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1 };
5147EXTCONST bool
5148PL_valid_types_RV[] = { 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1 };
5149EXTCONST bool
5150PL_valid_types_IV_set[] = { 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1 };
5151EXTCONST bool
5152PL_valid_types_NV_set[] = { 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 };
5153
5154#else
5155
5156EXTCONST bool PL_valid_types_IVX[];
5157EXTCONST bool PL_valid_types_NVX[];
5158EXTCONST bool PL_valid_types_PVX[];
5159EXTCONST bool PL_valid_types_RV[];
5160EXTCONST bool PL_valid_types_IV_set[];
5161EXTCONST bool PL_valid_types_NV_set[];
5162
5163#endif
5164
5165
bab3dc31 5166#include "overload.h"
a0d0e21e 5167
73c4f7a1
GS		 5168END_EXTERN_C
5169
a6006777 5170struct am_table {
8978b4ac
NC		 5171 U8 flags;
5172 U8 fallback;
5173 U16 spare;
eb160463 5174 U32 was_ok_sub;
9bd87817 5175 CV* table[NofAMmeth];
a0d0e21e 5176};
a6006777 5177struct am_table_short {
8978b4ac
NC		 5178 U8 flags;
5179 U8 fallback;
5180 U16 spare;
eb160463 5181 U32 was_ok_sub;
a6006777 5182};
a0d0e21e 5183typedef struct am_table AMT;
a6006777 5184typedef struct am_table_short AMTS;
a0d0e21e
LW		 5185
5186#define AMGfallNEVER 1
5187#define AMGfallNO 2
5188#define AMGfallYES 3
5189
a6006777 5190#define AMTf_AMAGIC 1
32251b26 5191#define AMTf_OVERLOADED 2
a6006777 5192#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5193#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5194#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 5195#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
5196#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
5197#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 5198
32251b26 5199#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5200
5201/*
5202 * some compilers like to redefine cos et alia as faster
5203 * (and less accurate?) versions called F_cos et cetera (Quidquid
5204 * latine dictum sit, altum viditur.) This trick collides with
5205 * the Perl overloading (amg). The following #defines fool both.
5206 */
5207
5208#ifdef _FASTMATH
5209# ifdef atan2
5210# define F_atan2_amg atan2_amg
5211# endif
5212# ifdef cos
5213# define F_cos_amg cos_amg
5214# endif
5215# ifdef exp
5216# define F_exp_amg exp_amg
5217# endif
5218# ifdef log
5219# define F_log_amg log_amg
5220# endif
5221# ifdef pow
5222# define F_pow_amg pow_amg
5223# endif
5224# ifdef sin
5225# define F_sin_amg sin_amg
5226# endif
5227# ifdef sqrt
5228# define F_sqrt_amg sqrt_amg
5229# endif
5230#endif /* _FASTMATH */
5231
83ee9e09
GS		 5232#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5233 PERLDBf_NOOPT | PERLDBf_INTER | \
5234 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
b8fcbefe
NC		 5235 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5236 PERLDBf_SAVESRC)
925cfbb8 5237 /* No _NONAME, _GOTO */
83ee9e09
GS		 5238#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5239#define PERLDBf_LINE 0x02 /* Keep line # */
5240#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5241#define PERLDBf_INTER 0x08 /* Preserve more data for
5242 later inspections */
5243#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5244#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5245#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5246#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5247#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5248#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
b8fcbefe 5249#define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
486ec47a 5250#define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */
c30d8139 5251#define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
84902520 5252
3280af22
NIS		 5253#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5254#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5255#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5256#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5257#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5258#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5259#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5260#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5261#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5262#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
b8fcbefe 5263#define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC))
c30d8139
NC		 5264#define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS))
5265#define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID))
bbce6d69 5266
36477c24 5267#ifdef USE_LOCALE_NUMERIC
bbce6d69 5268
36477c24 5269#define SET_NUMERIC_STANDARD() \
ff4fed7c 5270 set_numeric_standard();
36477c24 5271
5272#define SET_NUMERIC_LOCAL() \
ff4fed7c 5273 set_numeric_local();
bbce6d69 5274
66cbab2c
KW		 5275/* Returns non-zero If the plain locale pragma without a parameter is in effect
5276 */
a98fe34d 5277#define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE)
66cbab2c
KW		 5278
5279/* Returns non-zero If either form of the locale pragma is in effect */
5280#define IN_SOME_LOCALE_FORM_RUNTIME \
5281 (CopHINTS_get(PL_curcop) & (HINT_LOCALE|HINT_LOCALE_NOT_CHARS))
5282
2de3dbcc 5283#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
66cbab2c
KW		 5284#define IN_SOME_LOCALE_FORM_COMPILETIME \
5285 (PL_hints & (HINT_LOCALE|HINT_LOCALE_NOT_CHARS))
2de3dbcc
JH		 5286
5287#define IN_LOCALE \
923e4eb5 5288 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
66cbab2c
KW		 5289#define IN_SOME_LOCALE_FORM \
5290 (IN_PERL_COMPILETIME ? IN_SOME_LOCALE_FORM_COMPILETIME \
5291 : IN_SOME_LOCALE_FORM_RUNTIME)
2de3dbcc 5292
f93f4e46 5293#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 5294 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 5295 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 5296
5297#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 5298 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 5299 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 5300
5301#define RESTORE_NUMERIC_LOCAL() \
5302 if (was_local) SET_NUMERIC_LOCAL();
5303
5304#define RESTORE_NUMERIC_STANDARD() \
5305 if (was_standard) SET_NUMERIC_STANDARD();
5306
5b877257 5307#define Atof my_atof
097ee67d 5308
36477c24 5309#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5310
097ee67d
JH		 5311#define SET_NUMERIC_STANDARD() /**/
5312#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5313#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5314#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5315#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 5316#define RESTORE_NUMERIC_LOCAL() /**/
5317#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 5318#define Atof my_atof
ad3e0f90 5319#define IN_LOCALE_RUNTIME 0
bbce6d69 5320
36477c24 5321#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5322
079290de 5323#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5324# ifdef __hpux
5325# define strtoll __strtoll /* secret handshake */
5326# endif
c623ac67
GS		 5327# ifdef WIN64
5328# define strtoll _strtoi64 /* secret handshake */
5329# endif
079290de
GS		 5330# if !defined(Strtol) && defined(HAS_STRTOLL)
5331# define Strtol strtoll
ad551343 5332# endif
28e5dec8
JH		 5333# if !defined(Strtol) && defined(HAS_STRTOQ)
5334# define Strtol strtoq
5335# endif
ff935051 5336/* is there atoq() anywhere? */
15b99d39 5337#endif
079290de
GS		 5338#if !defined(Strtol) && defined(HAS_STRTOL)
5339# define Strtol strtol
5340#endif
5341#ifndef Atol
5342/* It would be more fashionable to use Strtol() to define atol()
5343 * (as is done for Atoul(), see below) but for backward compatibility
5344 * we just assume atol(). */
76b882ba 5345# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 5346# ifdef WIN64
5347# define atoll _atoi64 /* secret handshake */
5348# endif
76b882ba
JH		 5349# define Atol atoll
5350# else
5351# define Atol atol
5352# endif
cf2093f6
JH		 5353#endif
5354
55eb892c 5355#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5356# ifdef __hpux
5357# define strtoull __strtoull /* secret handshake */
5358# endif
c623ac67
GS		 5359# ifdef WIN64
5360# define strtoull _strtoui64 /* secret handshake */
5361# endif
ad551343 5362# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5363# define Strtoul strtoull
15b99d39 5364# endif
079290de
GS		 5365# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5366# define Strtoul strtouq
5367# endif
76d49b1c 5368/* is there atouq() anywhere? */
ad551343 5369#endif
079290de
GS		 5370#if !defined(Strtoul) && defined(HAS_STRTOUL)
5371# define Strtoul strtoul
cf2093f6 5372#endif
a5523c5b
JH		 5373#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5374# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5375#endif
079290de 5376#ifndef Atoul
d4c19fe8 5377# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5378#endif
cf2093f6 5379
760ac839 5380
06d86050
GS		 5381/* if these never got defined, they need defaults */
5382#ifndef PERL_SET_CONTEXT
5383# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5384#endif
5385
5386#ifndef PERL_GET_CONTEXT
5387# define PERL_GET_CONTEXT PERL_GET_INTERP
5388#endif
5389
5390#ifndef PERL_GET_THX
5391# define PERL_GET_THX ((void*)NULL)
5392#endif
5393
5394#ifndef PERL_SET_THX
5395# define PERL_SET_THX(t) NOOP
5396#endif
5397
a868473f
NIS		 5398#ifndef PERL_SCRIPT_MODE
5399#define PERL_SCRIPT_MODE "r"
5400#endif
5401
fba3b22e 5402/*
da927450
JH		 5403 * Some operating systems are stingy with stack allocation,
5404 * so perl may have to guard against stack overflow.
5405 */
5406#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5407#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5408#endif
5409
5410/*
5411 * Some nonpreemptive operating systems find it convenient to
5412 * check for asynchronous conditions after each op execution.
5413 * Keep this check simple, or it may slow down execution
5414 * massively.
5415 */
ce08f86c 5416
1d615522 5417#ifndef PERL_MICRO
4ffa73a3 5418# ifndef PERL_ASYNC_CHECK
16c91539 5419# define PERL_ASYNC_CHECK() if (PL_sig_pending) PL_signalhook(aTHX)
4ffa73a3 5420# endif
ce08f86c
NIS		 5421#endif
5422
da927450 5423#ifndef PERL_ASYNC_CHECK
1d615522 5424# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5425#endif
5426
5427/*
5428 * On some operating systems, a memory allocation may succeed,
5429 * but put the process too close to the system's comfort limit.
5430 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5431 * it to NULL.
5432 */
5433#ifndef PERL_ALLOC_CHECK
c2af87cb 5434#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5435#endif
5436
bd89102f
AD		 5437#ifdef HAS_SEM
5438# include <sys/ipc.h>
5439# include <sys/sem.h>
5440# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5441 union semun {
dbba660d
TC		 5442 int val;
5443 struct semid_ds *buf;
5444 unsigned short *array;
bd89102f
AD		 5445 };
5446# endif
5447# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5448# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5449 union gccbug_semun {
5450 int val;
5451 struct semid_ds *buf;
5452 unsigned short *array;
5453 char __dummy[5];
5454 };
5455# define semun gccbug_semun
5456# endif
bd89102f
AD		 5457# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5458# else
5459# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5460# ifdef EXTRA_F_IN_SEMUN_BUF
5461# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5462# else
5463# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5464# endif
bd89102f
AD		 5465# endif
5466# endif
bd89102f 5467#endif
49f531da 5468
89ca4ac7
JH		 5469/*
5470 * Boilerplate macros for initializing and accessing interpreter-local
5471 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 5472 * this, if you want to make the extension thread-safe. See
5473 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5474 * and perlxs.pod for more.
89ca4ac7
JH		 5475 *
5476 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5477 * 1. #define MY_CXT_KEY to a unique string, e.g.
5478 * "DynaLoader::_guts" XS_VERSION
f16dd614 5479 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5480 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5481 * all the data that needs to be interpreter-local.
5482 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5483 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5484 * (typically put in the BOOT: section).
5485 * 5. Use the members of the my_cxt_t structure everywhere as
5486 * MY_CXT.member.
5487 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5488 * access MY_CXT.
5489 */
5490
fc958cd2 5491#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 5492
4eddb856 5493/* START_MY_CXT must appear in all extensions that define a my_cxt_t structure,
53d44271
JH		 5494 * right after the definition (i.e. at file scope). The non-threads
5495 * case below uses it to declare the data as static. */
00ab59c9
DM		 5496# ifdef PERL_GLOBAL_STRUCT_PRIVATE
5497# define START_MY_CXT
5498# define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5499# define MY_CXT_INIT_ARG MY_CXT_KEY
5500# else
5501# define START_MY_CXT static int my_cxt_index = -1;
5502# define MY_CXT_INDEX my_cxt_index
5503# define MY_CXT_INIT_ARG &my_cxt_index
5504# endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
53d44271
JH		 5505
5506/* Creates and zeroes the per-interpreter data.
5507 * (We allocate my_cxtp in a Perl SV so that it will be released when
5508 * the interpreter goes away.) */
00ab59c9 5509# define MY_CXT_INIT \
53d44271 5510 my_cxt_t *my_cxtp = \
9f6df31a
Z		 5511 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
5512 PERL_UNUSED_VAR(my_cxtp)
00ab59c9 5513# define MY_CXT_INIT_INTERP(my_perl) \
53d44271 5514 my_cxt_t *my_cxtp = \
9f6df31a
Z		 5515 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
5516 PERL_UNUSED_VAR(my_cxtp)
53d44271
JH		 5517
5518/* This declaration should be used within all functions that use the
5519 * interpreter-local data. */
00ab59c9 5520# define dMY_CXT \
53d44271 5521 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
00ab59c9 5522# define dMY_CXT_INTERP(my_perl) \
53d44271
JH		 5523 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5524
5525/* Clones the per-interpreter data. */
00ab59c9 5526# define MY_CXT_CLONE \
53d44271
JH		 5527 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5528 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5529 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5530
53d44271 5531
89ca4ac7 5532/* This macro must be used to access members of the my_cxt_t structure.
870598ae 5533 * e.g. MY_CXT.some_data */
00ab59c9 5534# define MY_CXT (*my_cxtp)
89ca4ac7
JH		 5535
5536/* Judicious use of these macros can reduce the number of times dMY_CXT
5537 * is used. Use is similar to pTHX, aTHX etc. */
00ab59c9
DM		 5538# define pMY_CXT my_cxt_t *my_cxtp
5539# define pMY_CXT_ pMY_CXT,
5540# define _pMY_CXT ,pMY_CXT
5541# define aMY_CXT my_cxtp
5542# define aMY_CXT_ aMY_CXT,
5543# define _aMY_CXT ,aMY_CXT
89ca4ac7 5544
f16dd614 5545#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7 5546
00ab59c9
DM		 5547# define START_MY_CXT static my_cxt_t my_cxt;
5548# define dMY_CXT_SV dNOOP
5549# define dMY_CXT dNOOP
5550# define dMY_CXT_INTERP(my_perl) dNOOP
5551# define MY_CXT_INIT NOOP
5552# define MY_CXT_CLONE NOOP
5553# define MY_CXT my_cxt
5554
5555# define pMY_CXT void
5556# define pMY_CXT_
5557# define _pMY_CXT
5558# define aMY_CXT
5559# define aMY_CXT_
5560# define _aMY_CXT
89ca4ac7 5561
f16dd614 5562#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5563
9a34ef1d
GS		 5564#ifdef I_FCNTL
5565# include <fcntl.h>
9a34ef1d
GS		 5566#endif
5567
9cffb111
OS		 5568#ifdef __Lynx__
5569# include <fcntl.h>
5570#endif
5571
9a34ef1d
GS		 5572#ifdef I_SYS_FILE
5573# include <sys/file.h>
5574#endif
5575
fa0a29af 5576#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5577int flock(int fd, int op);
5578#endif
5579
fe52b3b7
GS		 5580#ifndef O_RDONLY
5581/* Assume UNIX defaults */
5582# define O_RDONLY 0000
5583# define O_WRONLY 0001
5584# define O_RDWR 0002
5585# define O_CREAT 0100
5586#endif
9a34ef1d 5587
16fe6d59
GS		 5588#ifndef O_BINARY
5589# define O_BINARY 0
5590#endif
5591
5592#ifndef O_TEXT
5593# define O_TEXT 0
5594#endif
5595
6ce75a77
JH		 5596#if O_TEXT != O_BINARY
5597 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5598 * that is, you are somehow DOSish. */
df00ff3b
IW		 5599# if defined(__BEOS__) || defined(__HAIKU__) || defined(__VOS__) || \
5600 defined(__CYGWIN__)
5601 /* BeOS/Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5602 * BeOS/Haiku is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5603 /* VOS has O_TEXT != O_BINARY, and they have effect,
5604 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5605 /* If you have O_TEXT different from your O_BINARY but you still are
5606 * not a CRLF shop. */
35990314 5607# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5608# else
5609 /* If you really are DOSish. */
5610# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5611# endif
5612#endif
5613
4bc88a62
PS		 5614#ifdef I_LIBUTIL
5615# include <libutil.h> /* setproctitle() in some FreeBSDs */
5616#endif
5617
b4748376 5618#ifndef EXEC_ARGV_CAST
360ea906 5619#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 5620#endif
5621
dd5dc04f
JH		 5622#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5623 int). value returned in pointed-
5624 to UV */
5625#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5626#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5627#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5628#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5629#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5630
5631#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5632
53305cf1
NC		 5633/* Input flags: */
5634#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5635#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5636#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
02470786
KW		 5637#define PERL_SCAN_SILENT_NON_PORTABLE 0x08 /* grok_??? not warn about very large
5638 numbers which are <= UV_MAX */
53305cf1
NC		 5639/* Output flags: */
5640#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5641
2c4f7f0e
DM		 5642/* to let user control profiling */
5643#ifdef PERL_GPROF_CONTROL
5644extern void moncontrol(int);
5645#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5646#else
5647#define PERL_GPROF_MONCONTROL(x)
5648#endif
5649
ae0e3d3b
JH		 5650#ifdef UNDER_CE
5651#include "wince.h"
5652#endif
5653
5654/* ISO 6429 NEL - C1 control NExt Line */
5655/* See http://www.unicode.org/unicode/reports/tr13/ */
5656#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
5657# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
5658# define NEXT_LINE_CHAR 0x15
5659# else /* CDRA */
5660# define NEXT_LINE_CHAR 0x25
5661# endif
5662#else
5663# define NEXT_LINE_CHAR 0x85
5664#endif
5665
5666/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5667#define UNICODE_LINE_SEPA_0 0xE2
5668#define UNICODE_LINE_SEPA_1 0x80
5669#define UNICODE_LINE_SEPA_2 0xA8
5670#define UNICODE_PARA_SEPA_0 0xE2
5671#define UNICODE_PARA_SEPA_1 0x80
5672#define UNICODE_PARA_SEPA_2 0xA9
5673
479b2847
GS		 5674#ifndef PIPESOCK_MODE
5675# define PIPESOCK_MODE
5676#endif
5677
460c8493
IZ		 5678#ifndef SOCKET_OPEN_MODE
5679# define SOCKET_OPEN_MODE PIPESOCK_MODE
5680#endif
5681
5682#ifndef PIPE_OPEN_MODE
5683# define PIPE_OPEN_MODE PIPESOCK_MODE
5684#endif
5685
7e8c5dac
HS		 5686#define PERL_MAGIC_UTF8_CACHESIZE 2
5687
a05d7ebb
JH		 5688#define PERL_UNICODE_STDIN_FLAG 0x0001
5689#define PERL_UNICODE_STDOUT_FLAG 0x0002
5690#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5691#define PERL_UNICODE_IN_FLAG 0x0008
5692#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5693#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5694#define PERL_UNICODE_LOCALE_FLAG 0x0040
5695#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 5696#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 5697
06e66572
JH		 5698#define PERL_UNICODE_STD_FLAG \
5699 (PERL_UNICODE_STDIN_FLAG | \
5700 PERL_UNICODE_STDOUT_FLAG | \
5701 PERL_UNICODE_STDERR_FLAG)
5702
5703#define PERL_UNICODE_INOUT_FLAG \
5704 (PERL_UNICODE_IN_FLAG | \
5705 PERL_UNICODE_OUT_FLAG)
5706
5707#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5708 (PERL_UNICODE_STD_FLAG | \
5709 PERL_UNICODE_INOUT_FLAG | \
5710 PERL_UNICODE_LOCALE_FLAG)
5711
5a22a2bb 5712#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 5713
5714#define PERL_UNICODE_STDIN 'I'
5715#define PERL_UNICODE_STDOUT 'O'
5716#define PERL_UNICODE_STDERR 'E'
5717#define PERL_UNICODE_STD 'S'
5718#define PERL_UNICODE_IN 'i'
5719#define PERL_UNICODE_OUT 'o'
5720#define PERL_UNICODE_INOUT 'D'
5721#define PERL_UNICODE_ARGV 'A'
5722#define PERL_UNICODE_LOCALE 'L'
5723#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 5724#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 5725
4ffa73a3
JH		 5726#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5727
32fdb065 5728/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5729 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5730#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5731
3c0f78ca
JH		 5732#if defined(__DECC) && defined(__osf__)
5733#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 5734#endif
5735
e4dba786
NC		 5736#define do_open(g, n, l, a, rm, rp, sf) \
5737 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 5738#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 5739# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 5740#endif
15871fce
NC		 5741#ifdef OS2
5742# define do_aexec Perl_do_aexec
5743#else
5744# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 5745#endif
e4dba786 5746
2f3efc97
JH		 5747#if defined(OEMVS)
5748#define NO_ENV_ARRAY_IN_MAIN
5749#endif
5750
00f254e2
KW		 5751/* These are used by Perl_pv_escape() and Perl_pv_pretty()
5752 * are here so that they are available throughout the core
10edeb5d
JH		 5753 * NOTE that even though some are for _escape and some for _pretty
5754 * there must not be any clashes as the flags from _pretty are
5755 * passed straight through to _escape.
5756 */
5757
5758#define PERL_PV_ESCAPE_QUOTE 0x0001
5759#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
5760
95b611b0 5761#define PERL_PV_PRETTY_ELLIPSES 0x0002
10edeb5d
JH		 5762#define PERL_PV_PRETTY_LTGT 0x0004
5763
5764#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
5765
00f254e2 5766#define PERL_PV_ESCAPE_UNI 0x0100
10edeb5d 5767#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
681f01c2 5768#define PERL_PV_ESCAPE_NONASCII 0x0400
10edeb5d
JH		 5769
5770#define PERL_PV_ESCAPE_ALL 0x1000
5771#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
5772#define PERL_PV_ESCAPE_NOCLEAR 0x4000
44a2ac75 5773#define PERL_PV_ESCAPE_RE 0x8000
10edeb5d 5774
881a015e
NC		 5775#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
5776
10edeb5d 5777/* used by pv_display in dump.c*/
95b611b0 5778#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
c89df6cf 5779#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII
10edeb5d
JH		 5780
5781/*
5782
5783 (KEEP THIS LAST IN perl.h!)
5784
5785 Mention
d460ef45 5786
43999f95 5787 NV_PRESERVES_UV
fe749a9f 5788
fe749a9f
JH		 5789 HAS_MKSTEMP
5790 HAS_MKSTEMPS
5791 HAS_MKDTEMP
5792
49dabb45
JH		 5793 HAS_GETCWD
5794
d59b5429 5795 HAS_MMAP
fe749a9f
JH		 5796 HAS_MPROTECT
5797 HAS_MSYNC
1e8c3fde 5798 HAS_MADVISE
fe749a9f
JH		 5799 HAS_MUNMAP
5800 I_SYSMMAN
5801 Mmap_t
5802
6b4667fc
A		 5803 NVef
5804 NVff
5805 NVgf
5806
4e0554ec 5807 HAS_UALARM
2d736872 5808 HAS_USLEEP
4e0554ec
JH		 5809
5810 HAS_SETITIMER
5811 HAS_GETITIMER
5812
5813 HAS_SENDMSG
5814 HAS_RECVMSG
5815 HAS_READV
5816 HAS_WRITEV
5817 I_SYSUIO
5818 HAS_STRUCT_MSGHDR
5819 HAS_STRUCT_CMSGHDR
5820
2765b840 5821 HAS_NL_LANGINFO
0a7020c9 5822
ae0e3d3b 5823 HAS_DIRFD
2765b840 5824
10edeb5d 5825 so that Configure picks them up.
ab3bbdeb 5826
10edeb5d 5827 (KEEP THIS LAST IN perl.h!)
3df15adc 5828
10edeb5d 5829*/
3df15adc 5830
85e6fe83 5831#endif /* Include guard */
e9a8c099
MHM		 5832
5833/*
5834 * Local variables:
5835 * c-indentation-style: bsd
5836 * c-basic-offset: 4
14d04a33 5837 * indent-tabs-mode: nil
e9a8c099
MHM		 5838 * End:
5839 *
14d04a33 5840 * ex: set ts=8 sts=4 sw=4 et:
e9a8c099 5841 */
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