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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)
16c91539 228#endif /* !PERL_CORE */
76e3520e 229
16c91539 230#define CALLRUNOPS PL_runops
f9f4320a 231
3ab4a224 232#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 233
16c91539 234#define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
f9f4320a 235#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
16c91539 236 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
f9f4320a
YO		 237 (strbeg),(minend),(screamer),(data),(flags))
238#define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \
16c91539 239 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strpos), \
f9f4320a
YO		 240 (strend),(flags),(data))
241#define CALLREG_INTUIT_STRING(prog) \
16c91539 242 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
f8149455 243
f8149455
YO		 244#define CALLREGFREE(prog) \
245 Perl_pregfree(aTHX_ (prog))
246
247#define CALLREGFREE_PVT(prog) \
16c91539 248 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
f8149455 249
2fdbfb4d 250#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
16c91539 251 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
93b32b6d 252
2fdbfb4d 253#define CALLREG_NUMBUF_STORE(rx,paren,value) \
16c91539 254 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
2fdbfb4d
AB		 255
256#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
16c91539 257 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
2fdbfb4d 258
192b9cd1 259#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
16c91539 260 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
192b9cd1
AB		 261
262#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
16c91539 263 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
192b9cd1
AB		 264
265#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
16c91539 266 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB		 267
268#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
16c91539 269 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB		 270
271#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
16c91539 272 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB		 273
274#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
16c91539 275 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB		 276
277#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
16c91539 278 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB		 279
280#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
16c91539 281 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
AB		 282
283#define CALLREG_NAMED_BUFF_COUNT(rx) \
16c91539 284 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
192b9cd1
AB		 285
286#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
16c91539 287 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 288
49d7dfbc 289#define CALLREG_PACKAGE(rx) \
16c91539 290 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
93b32b6d 291
00f254e2 292#if defined(USE_ITHREADS)
f9f4320a 293#define CALLREGDUPE(prog,param) \
f8149455
YO		 294 Perl_re_dup(aTHX_ (prog),(param))
295
296#define CALLREGDUPE_PVT(prog,param) \
16c91539 297 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
00f254e2 298 : (REGEXP *)NULL)
f9f4320a 299#endif
14dd3ad8 300
a20207d7 301
bcdf7404 302
a20207d7
YO		 303
304
5ba4cab2
SH		 305/*
306 * Because of backward compatibility reasons the PERL_UNUSED_DECL
307 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
308 *
309 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 310 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 311 * marking unused variables (they need e.g. a #pragma) and therefore
312 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
313 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
314 *
315 */
1266ad8c 316
9969cdde 317#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 318# ifdef __cplusplus
5ba4cab2 319# define PERL_UNUSED_DECL
5b2bd0a5 320# else
5ba4cab2 321# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 322# endif
323#endif
44dbb695 324
5b2bd0a5 325#ifndef PERL_UNUSED_DECL
34659ad4 326# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 327# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 328# else
5ba4cab2 329# define PERL_UNUSED_DECL
b79c357a 330# endif
5b2bd0a5 331#endif
00f254e2 332
349b520e
DM		 333/* gcc -Wall:
334 * for silencing unused variables that are actually used most of the time,
a0288114 335 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 336 */
53c1dcc0 337#ifndef PERL_UNUSED_ARG
c99ffe5e 338# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 339# include <note.h>
53c1dcc0 340# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 341# else
53c1dcc0 342# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 343# endif
344#endif
53c1dcc0
AL		 345#ifndef PERL_UNUSED_VAR
346# define PERL_UNUSED_VAR(x) ((void)x)
347#endif
ad73156c 348
96a5add6
AL		 349#ifdef USE_ITHREADS
350# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
351#else
352# define PERL_UNUSED_CONTEXT
353#endif
354
6f207bd3 355#define NOOP /*EMPTY*/(void)0
6b484a99
JH		 356#if !defined(HASATTRIBUTE_UNUSED) && defined(__cplusplus)
357#define dNOOP /*EMPTY*/(void)0 /* Older g++ has no __attribute((unused))__ */
358#else
6f207bd3 359#define dNOOP extern int /*@unused@*/ Perl___notused PERL_UNUSED_DECL
6b484a99 360#endif
71be2cbc 361
0cb96387 362#ifndef pTHX
e8dda941
JD		 363/* Don't bother defining tTHX and sTHX; using them outside
364 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
365 */
0cb96387
GS		 366# define pTHX void
367# define pTHX_
0cb96387
GS		 368# define aTHX
369# define aTHX_
0cb96387
GS		 370# define dTHXa(a) dNOOP
371# define dTHX dNOOP
894356b3
GS		 372# define pTHX_1 1
373# define pTHX_2 2
374# define pTHX_3 3
375# define pTHX_4 4
3d42dc86
RGS		 376# define pTHX_5 5
377# define pTHX_6 6
a3b680e6
AL		 378# define pTHX_7 7
379# define pTHX_8 8
380# define pTHX_9 9
0cb96387
GS		 381#endif
382
27da23d5
JH		 383#ifndef dVAR
384# define dVAR dNOOP
385#endif
386
b4f7f263
GS		 387/* these are only defined for compatibility; should not be used internally */
388#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 389# define pTHXo pTHX
390# define pTHXo_ pTHX_
0cb96387
GS		 391# define aTHXo aTHX
392# define aTHXo_ aTHX_
c5be433b 393# define dTHXo dTHX
71d280e3 394# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 395#endif
396
397#ifndef pTHXx
398# define pTHXx register PerlInterpreter *my_perl
399# define pTHXx_ pTHXx,
0cb96387
GS		 400# define aTHXx my_perl
401# define aTHXx_ aTHXx,
c5be433b 402# define dTHXx dTHX
22c35a8c 403#endif
71be2cbc 404
1de7c2ac
GS		 405/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
406 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
407 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
408#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 409# ifdef PERL_GLOBAL_STRUCT_PRIVATE
410# define dTHXs dVAR; dTHX
411# else
412# define dTHXs dTHX
413# endif
1de7c2ac 414#else
27da23d5
JH		 415# ifdef PERL_GLOBAL_STRUCT_PRIVATE
416# define dTHXs dVAR
417# else
418# define dTHXs dNOOP
419# endif
1de7c2ac
GS		 420#endif
421
27da23d5
JH		 422/* Some platforms require marking function declarations
423 * for them to be exportable. Used in perlio.h, proto.h
424 * is handled either by the makedef.pl or by defining the
425 * PERL_CALLCONV to be something special. See also the
426 * definition of XS() in XSUB.h. */
427#ifndef PERL_EXPORT_C
a0c21aa1
JH		 428# ifdef __cplusplus
429# define PERL_EXPORT_C extern "C"
430# else
431# define PERL_EXPORT_C extern
432# endif
27da23d5
JH		 433#endif
434#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 435# ifdef __cplusplus
436# define PERL_XS_EXPORT_C extern "C"
437# else
438# define PERL_XS_EXPORT_C
439# endif
27da23d5
JH		 440#endif
441
462e5cf6
MB		 442#ifdef OP_IN_REGISTER
443# ifdef __GNUC__
444# define stringify_immed(s) #s
445# define stringify(s) stringify_immed(s)
d1ca3daa 446register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 447# endif
448#endif
449
e5afc1ae 450/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 451 * g++ allows them but seems to have problems with them
70aab261
RB		 452 * (insane errors ensue).
453 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
454 */
455#if defined(PERL_GCC_PEDANTIC) || \
456 (defined(__GNUC__) && defined(__cplusplus) && \
457 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 458# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 459# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
460# endif
5dc8bdac
JH		 461#endif
462
5b692037
JH		 463#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
464# ifndef PERL_USE_GCC_BRACE_GROUPS
465# define PERL_USE_GCC_BRACE_GROUPS
466# endif
467#endif
468
728e2803 469/*
470 * STMT_START { statements; } STMT_END;
471 * can be used as a single statement, as in
472 * if (x) STMT_START { ... } STMT_END; else ...
473 *
474 * Trying to select a version that gives no warnings...
475 */
476#if !(defined(STMT_START) && defined(STMT_END))
5b692037 477# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 478# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 479# define STMT_END )
480# else
481 /* Now which other defined()s do we need here ??? */
93189314 482# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 483# define STMT_START if (1)
484# define STMT_END else (void)0
485# else
486# define STMT_START do
487# define STMT_END while (0)
488# endif
489# endif
490#endif
491
0cb96387 492#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 493#define WITH_THR(s) WITH_THX(s)
ea0efc06 494
d6f9c181
JH		 495#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
496# define BYTEORDER 0x1234
79072805
LW		 497#endif
498
499/* Overall memory policy? */
500#ifndef CONSERVATIVE
501# define LIBERAL 1
502#endif
503
8ada0baa
JH		 504#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
505#define ASCIIish
506#else
507#undef ASCIIish
508#endif
509
79072805
LW		 510/*
511 * The following contortions are brought to you on behalf of all the
512 * standards, semi-standards, de facto standards, not-so-de-facto standards
513 * of the world, as well as all the other botches anyone ever thought of.
514 * The basic theory is that if we work hard enough here, the rest of the
515 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
516 */
ac58e20f 517
ee0007ab 518/* define this once if either system, instead of cluttering up the src */
2986a63f 519#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 520#define DOSISH 1
521#endif
522
fb38d079 523#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 524# define STANDARD_C 1
525#endif
526
9969cdde 527#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 528# define DONT_DECLARE_STD 1
529#endif
530
352d5a3a 531#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 532# define VOL volatile
663a0e37 533#else
79072805 534# define VOL
663a0e37
LW		 535#endif
536
3280af22
NIS		 537#define TAINT (PL_tainted = TRUE)
538#define TAINT_NOT (PL_tainted = FALSE)
539#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
540#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 541#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 542
d460ef45 543/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 544 defines move there? If so, I could simplify this a lot. --AD 9/96.
545*/
546/* Process group stuff changed from traditional BSD to POSIX.
547 perlfunc.pod documents the traditional BSD-style syntax, so we'll
548 try to preserve that, if possible.
549*/
550#ifdef HAS_SETPGID
551# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 552#else
a6e633de 553# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
554# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
555# else
556# ifdef HAS_SETPGRP2 /* DG/UX */
557# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
558# endif
559# endif
560#endif
561#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
562# define HAS_SETPGRP /* Well, effectively it does . . . */
563#endif
564
565/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
566 our life easier :-) so we'll try it.
567*/
568#ifdef HAS_GETPGID
569# define BSD_GETPGRP(pid) getpgid((pid))
570#else
571# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
572# define BSD_GETPGRP(pid) getpgrp((pid))
573# else
574# ifdef HAS_GETPGRP2 /* DG/UX */
575# define BSD_GETPGRP(pid) getpgrp2((pid))
576# endif
577# endif
578#endif
579#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
580# define HAS_GETPGRP /* Well, effectively it does . . . */
581#endif
582
d460ef45 583/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 584 have different behaviors, but perl.h used to define USE_BSDPGRP
585 (prior to 5.003_05) so some extension might depend on it.
586*/
587#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
588# ifndef USE_BSDPGRP
589# define USE_BSDPGRP
590# endif
663a0e37
LW		 591#endif
592
8ac5a1fe
MH		 593/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
594 pthread.h must be included before all other header files.
595*/
3db8f154 596#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 597# include <pthread.h>
598#endif
599
760ac839
LW		 600#ifndef _TYPES_ /* If types.h defines this it's easy. */
601# ifndef major /* Does everyone's types.h define this? */
602# include <sys/types.h>
c07a80fd 603# endif
663a0e37
LW		 604#endif
605
760ac839
LW		 606#ifdef __cplusplus
607# ifndef I_STDARG
608# define I_STDARG 1
609# endif
610#endif
611
612#ifdef I_STDARG
613# include <stdarg.h>
614#else
615# ifdef I_VARARGS
616# include <varargs.h>
617# endif
618#endif
619
4633a7c4 620#ifdef USE_NEXT_CTYPE
0c30d9ec 621
092bebab
JH		 622#if NX_CURRENT_COMPILER_RELEASE >= 500
623# include <bsd/ctypes.h>
624#else
625# if NX_CURRENT_COMPILER_RELEASE >= 400
626# include <objc/NXCType.h>
627# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
628# include <appkit/NXCType.h>
629# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
630#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 631
632#else /* !USE_NEXT_CTYPE */
fe14fcc3 633#include <ctype.h>
0c30d9ec 634#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 635
636#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
637#undef METHOD
a0d0e21e
LW		 638#endif
639
12ae5dfc
JH		 640#ifdef PERL_MICRO
641# define NO_LOCALE
642#endif
643
4633a7c4 644#ifdef I_LOCALE
36477c24 645# include <locale.h>
4633a7c4
LW		 646#endif
647
36477c24 648#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
649# define USE_LOCALE
650# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
651 && defined(HAS_STRXFRM)
652# define USE_LOCALE_COLLATE
653# endif
654# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
655# define USE_LOCALE_CTYPE
656# endif
657# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
658# define USE_LOCALE_NUMERIC
659# endif
660#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 661
fe14fcc3 662#include <setjmp.h>
79072805 663
a0d0e21e 664#ifdef I_SYS_PARAM
79072805
LW		 665# ifdef PARAM_NEEDS_TYPES
666# include <sys/types.h>
667# endif
668# include <sys/param.h>
352d5a3a 669#endif
79072805 670
79072805 671/* Use all the "standard" definitions? */
a0d0e21e 672#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 673# include <stdlib.h>
ff68c719 674#endif
03a14243 675
3f270f98
JH		 676/* If this causes problems, set i_unistd=undef in the hint file. */
677#ifdef I_UNISTD
678# include <unistd.h>
679#endif
680
de8ca8af
NT		 681/* for WCOREDUMP */
682#ifdef I_SYS_WAIT
683# include <sys/wait.h>
684#endif
685
9969cdde 686#ifdef __SYMBIAN32__
27da23d5
JH		 687# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
688#endif
689
7114a2d2 690#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 691EXTERN_C int syscall(int, ...);
2ef53570
JH		 692#endif
693
7114a2d2 694#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 695EXTERN_C int usleep(unsigned int);
2ef53570
JH		 696#endif
697
9c12f1e5
RGS		 698/* Funky places that do not have socket stuff. */
699#if defined(__LIBCATAMOUNT__)
700# define MYSWAP
701#endif
702
9a34ef1d
GS		 703#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
704# define MYSWAP
705#endif
706
1109a392
MHM		 707#ifdef PERL_CORE
708
709/* macros for correct constant construction */
710# if INTSIZE >= 2
711# define U16_CONST(x) ((U16)x##U)
712# else
713# define U16_CONST(x) ((U16)x##UL)
714# endif
715
716# if INTSIZE >= 4
717# define U32_CONST(x) ((U32)x##U)
718# else
719# define U32_CONST(x) ((U32)x##UL)
720# endif
721
722# ifdef HAS_QUAD
723# if INTSIZE >= 8
724# define U64_CONST(x) ((U64)x##U)
725# elif LONGSIZE >= 8
726# define U64_CONST(x) ((U64)x##UL)
727# elif QUADKIND == QUAD_IS_LONG_LONG
728# define U64_CONST(x) ((U64)x##ULL)
729# else /* best guess we can make */
730# define U64_CONST(x) ((U64)x##UL)
731# endif
732# endif
733
734/* byte-swapping functions for big-/little-endian conversion */
735# define _swab_16_(x) ((U16)( \
736 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
737 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
738
739# define _swab_32_(x) ((U32)( \
740 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
741 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
742 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
743 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
744
745# ifdef HAS_QUAD
746# define _swab_64_(x) ((U64)( \
747 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
748 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
749 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
750 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
751 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
752 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
753 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
754 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
755# endif
756
757/*----------------------------------------------------------------------------*/
758# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
759/*----------------------------------------------------------------------------*/
760# define my_htole16(x) (x)
761# define my_letoh16(x) (x)
762# define my_htole32(x) (x)
763# define my_letoh32(x) (x)
764# define my_htobe16(x) _swab_16_(x)
765# define my_betoh16(x) _swab_16_(x)
766# define my_htobe32(x) _swab_32_(x)
767# define my_betoh32(x) _swab_32_(x)
768# ifdef HAS_QUAD
769# define my_htole64(x) (x)
770# define my_letoh64(x) (x)
771# define my_htobe64(x) _swab_64_(x)
772# define my_betoh64(x) _swab_64_(x)
773# endif
774# define my_htoles(x) (x)
775# define my_letohs(x) (x)
776# define my_htolei(x) (x)
777# define my_letohi(x) (x)
778# define my_htolel(x) (x)
779# define my_letohl(x) (x)
780# if SHORTSIZE == 1
781# define my_htobes(x) (x)
782# define my_betohs(x) (x)
783# elif SHORTSIZE == 2
784# define my_htobes(x) _swab_16_(x)
785# define my_betohs(x) _swab_16_(x)
786# elif SHORTSIZE == 4
787# define my_htobes(x) _swab_32_(x)
788# define my_betohs(x) _swab_32_(x)
789# elif SHORTSIZE == 8
790# define my_htobes(x) _swab_64_(x)
791# define my_betohs(x) _swab_64_(x)
792# else
793# define PERL_NEED_MY_HTOBES
794# define PERL_NEED_MY_BETOHS
795# endif
796# if INTSIZE == 1
797# define my_htobei(x) (x)
798# define my_betohi(x) (x)
799# elif INTSIZE == 2
800# define my_htobei(x) _swab_16_(x)
801# define my_betohi(x) _swab_16_(x)
802# elif INTSIZE == 4
803# define my_htobei(x) _swab_32_(x)
804# define my_betohi(x) _swab_32_(x)
805# elif INTSIZE == 8
806# define my_htobei(x) _swab_64_(x)
807# define my_betohi(x) _swab_64_(x)
808# else
809# define PERL_NEED_MY_HTOBEI
810# define PERL_NEED_MY_BETOHI
811# endif
812# if LONGSIZE == 1
813# define my_htobel(x) (x)
814# define my_betohl(x) (x)
815# elif LONGSIZE == 2
816# define my_htobel(x) _swab_16_(x)
817# define my_betohl(x) _swab_16_(x)
818# elif LONGSIZE == 4
819# define my_htobel(x) _swab_32_(x)
820# define my_betohl(x) _swab_32_(x)
821# elif LONGSIZE == 8
822# define my_htobel(x) _swab_64_(x)
823# define my_betohl(x) _swab_64_(x)
824# else
825# define PERL_NEED_MY_HTOBEL
826# define PERL_NEED_MY_BETOHL
827# endif
828# define my_htolen(p,n) NOOP
829# define my_letohn(p,n) NOOP
830# define my_htoben(p,n) my_swabn(p,n)
831# define my_betohn(p,n) my_swabn(p,n)
832/*----------------------------------------------------------------------------*/
833# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
834/*----------------------------------------------------------------------------*/
835# define my_htobe16(x) (x)
836# define my_betoh16(x) (x)
837# define my_htobe32(x) (x)
838# define my_betoh32(x) (x)
839# define my_htole16(x) _swab_16_(x)
840# define my_letoh16(x) _swab_16_(x)
841# define my_htole32(x) _swab_32_(x)
842# define my_letoh32(x) _swab_32_(x)
843# ifdef HAS_QUAD
844# define my_htobe64(x) (x)
845# define my_betoh64(x) (x)
846# define my_htole64(x) _swab_64_(x)
847# define my_letoh64(x) _swab_64_(x)
848# endif
849# define my_htobes(x) (x)
850# define my_betohs(x) (x)
851# define my_htobei(x) (x)
852# define my_betohi(x) (x)
853# define my_htobel(x) (x)
854# define my_betohl(x) (x)
855# if SHORTSIZE == 1
856# define my_htoles(x) (x)
857# define my_letohs(x) (x)
858# elif SHORTSIZE == 2
859# define my_htoles(x) _swab_16_(x)
860# define my_letohs(x) _swab_16_(x)
861# elif SHORTSIZE == 4
862# define my_htoles(x) _swab_32_(x)
863# define my_letohs(x) _swab_32_(x)
864# elif SHORTSIZE == 8
865# define my_htoles(x) _swab_64_(x)
866# define my_letohs(x) _swab_64_(x)
867# else
868# define PERL_NEED_MY_HTOLES
869# define PERL_NEED_MY_LETOHS
870# endif
871# if INTSIZE == 1
872# define my_htolei(x) (x)
873# define my_letohi(x) (x)
874# elif INTSIZE == 2
875# define my_htolei(x) _swab_16_(x)
876# define my_letohi(x) _swab_16_(x)
877# elif INTSIZE == 4
878# define my_htolei(x) _swab_32_(x)
879# define my_letohi(x) _swab_32_(x)
880# elif INTSIZE == 8
881# define my_htolei(x) _swab_64_(x)
882# define my_letohi(x) _swab_64_(x)
883# else
884# define PERL_NEED_MY_HTOLEI
885# define PERL_NEED_MY_LETOHI
886# endif
887# if LONGSIZE == 1
888# define my_htolel(x) (x)
889# define my_letohl(x) (x)
890# elif LONGSIZE == 2
891# define my_htolel(x) _swab_16_(x)
892# define my_letohl(x) _swab_16_(x)
893# elif LONGSIZE == 4
894# define my_htolel(x) _swab_32_(x)
895# define my_letohl(x) _swab_32_(x)
896# elif LONGSIZE == 8
897# define my_htolel(x) _swab_64_(x)
898# define my_letohl(x) _swab_64_(x)
899# else
900# define PERL_NEED_MY_HTOLEL
901# define PERL_NEED_MY_LETOHL
902# endif
903# define my_htolen(p,n) my_swabn(p,n)
904# define my_letohn(p,n) my_swabn(p,n)
905# define my_htoben(p,n) NOOP
906# define my_betohn(p,n) NOOP
907/*----------------------------------------------------------------------------*/
908# else /* all other byte-orders */
909/*----------------------------------------------------------------------------*/
910# define PERL_NEED_MY_HTOLE16
911# define PERL_NEED_MY_LETOH16
912# define PERL_NEED_MY_HTOBE16
913# define PERL_NEED_MY_BETOH16
914# define PERL_NEED_MY_HTOLE32
915# define PERL_NEED_MY_LETOH32
916# define PERL_NEED_MY_HTOBE32
917# define PERL_NEED_MY_BETOH32
918# ifdef HAS_QUAD
919# define PERL_NEED_MY_HTOLE64
920# define PERL_NEED_MY_LETOH64
921# define PERL_NEED_MY_HTOBE64
922# define PERL_NEED_MY_BETOH64
923# endif
924# define PERL_NEED_MY_HTOLES
925# define PERL_NEED_MY_LETOHS
926# define PERL_NEED_MY_HTOBES
927# define PERL_NEED_MY_BETOHS
928# define PERL_NEED_MY_HTOLEI
929# define PERL_NEED_MY_LETOHI
930# define PERL_NEED_MY_HTOBEI
931# define PERL_NEED_MY_BETOHI
932# define PERL_NEED_MY_HTOLEL
933# define PERL_NEED_MY_LETOHL
934# define PERL_NEED_MY_HTOBEL
935# define PERL_NEED_MY_BETOHL
936/*----------------------------------------------------------------------------*/
937# endif /* end of byte-order macros */
938/*----------------------------------------------------------------------------*/
939
9c17f24a
NC		 940/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
941 at least on FreeBSD. YMMV, so experiment. */
942#ifndef PERL_ARENA_SIZE
943#define PERL_ARENA_SIZE 4080
944#endif
945
ccb2c8b8 946/* Maximum level of recursion */
2b9dff67
RGS		 947#ifndef PERL_SUB_DEPTH_WARN
948#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 949#endif
950
1109a392
MHM		 951#endif /* PERL_CORE */
952
bdf3085f
NC		 953/* We no longer default to creating a new SV for GvSV.
954 Do this before embed. */
955#ifndef PERL_CREATE_GVSV
7459f06b
NC		 956# ifndef PERL_DONT_CREATE_GVSV
957# define PERL_DONT_CREATE_GVSV
958# endif
bdf3085f
NC		 959#endif
960
ca0c25f6
NC		 961#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
962#define PERL_USES_PL_PIDSTATUS
963#endif
964
e37778c2 965#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__)
a62746fa
RGS		 966#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
967#endif
968
00f254e2 969/* Cannot include embed.h here on Win32 as win32.h has not
66a93824
NIS		 970 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
971 */
96e176bf 972#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 973# include "embed.h"
eb8433b7
NC		 974# ifndef PERL_MAD
975# undef op_getmad
b3f24c00 976# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 977# endif
cea2e8a9
GS		 978#endif
979
c31fac66
GS		 980#define MEM_SIZE Size_t
981
1936d2a7
NC		 982/* Round all values passed to malloc up, by default to a multiple of
983 sizeof(size_t)
984*/
985#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
986#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
987#endif
988
f1200559
WH		 989/* sv_grow() will expand strings by at least a certain percentage of
990 the previously *used* length to avoid excessive calls to realloc().
991 The default is 25% of the current length.
992*/
993#ifndef PERL_STRLEN_EXPAND_SHIFT
994# define PERL_STRLEN_EXPAND_SHIFT 2
995#endif
996
51371543
GS		 997#if defined(STANDARD_C) && defined(I_STDDEF)
998# include <stddef.h>
999# define STRUCT_OFFSET(s,m) offsetof(s,m)
1000#else
1001# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
1002#endif
1003
9969cdde 1004#ifndef __SYMBIAN32__
27da23d5
JH		 1005# if defined(I_STRING) || defined(__cplusplus)
1006# include <string.h>
1007# else
1008# include <strings.h>
1009# endif
51371543
GS		 1010#endif
1011
55497cff 1012/* This comes after <stdlib.h> so we don't try to change the standard
1013 * library prototypes; we'll use our own in proto.h instead. */
03a14243 1014
4633a7c4 1015#ifdef MYMALLOC
86058a2d 1016# ifdef PERL_POLLUTE_MALLOC
ee13e175 1017# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 1018# define Perl_malloc malloc
1019# define Perl_calloc calloc
1020# define Perl_realloc realloc
1021# define Perl_mfree free
ee13e175 1022# endif
86058a2d
GS		 1023# else
1024# define EMBEDMYMALLOC /* for compatibility */
1025# endif
827e134a 1026
651b9576
GS		 1027# define safemalloc Perl_malloc
1028# define safecalloc Perl_calloc
1029# define saferealloc Perl_realloc
1030# define safefree Perl_mfree
22f7c9c9
JH		 1031# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1032 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1033 code; \
1034 } STMT_END
1035# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1036 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1037# define panic_write2(s) write(2, s, strlen(s))
1038# define CHECK_MALLOC_TAINT(newval) \
1039 CHECK_MALLOC_TOO_LATE_FOR_( \
1040 if (newval) { \
1041 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1042 exit(1); })
22f7c9c9 1043# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1044 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 1045 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1046 }} STMT_END;
f2517201
GS		 1047#else /* MYMALLOC */
1048# define safemalloc safesysmalloc
1049# define safecalloc safesyscalloc
1050# define saferealloc safesysrealloc
1051# define safefree safesysfree
22f7c9c9
JH		 1052# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1053# define CHECK_MALLOC_TAINT(newval) ((void)0)
1054# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1055#endif /* MYMALLOC */
4633a7c4 1056
fe13d51d 1057/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 1058#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		 1059#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1060#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1061#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1062
a0d0e21e
LW		 1063#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1064#define strchr index
1065#define strrchr rindex
1066#endif
1067
16d20bd9
AD		 1068#ifdef I_MEMORY
1069# include <memory.h>
1070#endif
1071
fe14fcc3 1072#ifdef HAS_MEMCPY
85e6fe83 1073# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1074# ifndef memcpy
20ce7b12 1075 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 1076# endif
1077# endif
1078#else
1079# ifndef memcpy
1080# ifdef HAS_BCOPY
1081# define memcpy(d,s,l) bcopy(s,d,l)
1082# else
1083# define memcpy(d,s,l) my_bcopy(s,d,l)
1084# endif
1085# endif
1086#endif /* HAS_MEMCPY */
fe14fcc3 1087
ee0007ab 1088#ifdef HAS_MEMSET
85e6fe83 1089# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1090# ifndef memset
20ce7b12 1091 extern char *memset (char*, int, int);
ee0007ab
LW		 1092# endif
1093# endif
ee0007ab 1094#else
12ae5dfc 1095# undef memset
fc36a67e 1096# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1097#endif /* HAS_MEMSET */
1098
85e6fe83 1099#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1100# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1101# define memmove(d,s,l) bcopy(s,d,l)
1102# else
2304df62 1103# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1104# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1105# else
79072805 1106# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1107# endif
352d5a3a 1108# endif
d9d8d8de 1109#endif
ee0007ab 1110
36477c24 1111#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1112# undef HAS_MEMCMP
1113#endif
1114
1115#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1116# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1117# ifndef memcmp
20ce7b12 1118 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1119# endif
1120# endif
36477c24 1121# ifdef BUGGY_MSC
7e4e8c89 1122# pragma function(memcmp)
36477c24 1123# endif
ee0007ab
LW		 1124#else
1125# ifndef memcmp
ecfc5424 1126# define memcmp my_memcmp
352d5a3a 1127# endif
36477c24 1128#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1129
fc36a67e 1130#ifndef memzero
c635e13b 1131# ifdef HAS_MEMSET
1132# define memzero(d,l) memset(d,0,l)
79072805 1133# else
c635e13b 1134# ifdef HAS_BZERO
1135# define memzero(d,l) bzero(d,l)
79072805 1136# else
fc36a67e 1137# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1138# endif
1139# endif
d9d8d8de 1140#endif
378cc40b 1141
2f42fcb0 1142#ifndef PERL_MICRO
0f27ced1
JH		 1143#ifndef memchr
1144# ifndef HAS_MEMCHR
1145# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1146# endif
1147#endif
2f42fcb0 1148#endif
0f27ced1 1149
36477c24 1150#ifndef HAS_BCMP
1151# ifndef bcmp
1152# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1153# endif
36477c24 1154#endif /* !HAS_BCMP */
378cc40b 1155
ae986130 1156#ifdef I_NETINET_IN
79072805 1157# include <netinet/in.h>
ae986130
LW		 1158#endif
1159
28e8609d
JH		 1160#ifdef I_ARPA_INET
1161# include <arpa/inet.h>
1162#endif
1163
84902520
TB		 1164#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1165/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1166 * (the neo-BSD seem to do this). */
1167# undef SF_APPEND
1168#endif
1169
1aef975c 1170#ifdef I_SYS_STAT
84902520 1171# include <sys/stat.h>
1aef975c 1172#endif
79072805 1173
287a962e
JD		 1174/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1175 This definition should ideally go into win32/win32.h, but S_IFIFO is
1176 used later here in perl.h before win32/win32.h is being included. */
1177#if !defined(S_IFIFO) && defined(_S_IFIFO)
1178# define S_IFIFO _S_IFIFO
1179#endif
1180
a0d0e21e
LW		 1181/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1182 like UTekV) are broken, sometimes giving false positives. Undefine
1183 them here and let the code below set them to proper values.
1184
1185 The ghs macro stands for GreenHills Software C-1.8.5 which
1186 is the C compiler for sysV88 and the various derivatives.
1187 This header file bug is corrected in gcc-2.5.8 and later versions.
1188 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1189
1190#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1191# undef S_ISDIR
1192# undef S_ISCHR
1193# undef S_ISBLK
1194# undef S_ISREG
1195# undef S_ISFIFO
1196# undef S_ISLNK
ee0007ab 1197#endif
135863df 1198
663a0e37
LW		 1199#ifdef I_TIME
1200# include <time.h>
ffed7fef 1201#endif
663a0e37 1202
fe14fcc3 1203#ifdef I_SYS_TIME
85e6fe83 1204# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1205# define KERNEL
1206# endif
1207# include <sys/time.h>
85e6fe83 1208# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1209# undef KERNEL
1210# endif
a687059c 1211#endif
135863df 1212
55497cff 1213#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1214# include <sys/times.h>
d9d8d8de 1215#endif
8d063cd8 1216
fe14fcc3 1217#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1218# undef HAS_STRERROR
663a0e37
LW		 1219#endif
1220
1221#include <errno.h>
1e743fda 1222
acfe0abc 1223#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1224# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1225#endif
1226
8cfab5ff 1227/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1228 * This is important for using IPv6.
8cfab5ff
JH		 1229 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1230 * a bad idea since it breaks send() and recv(). */
1231#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1232# define _SOCKADDR_LEN
1233#endif
1234
8d3f517a 1235#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1236# include <sys/socket.h>
1237# if defined(USE_SOCKS) && defined(I_SOCKS)
1238# if !defined(INCLUDE_PROTOTYPES)
1239# define INCLUDE_PROTOTYPES /* for <socks.h> */
1240# define PERL_SOCKS_NEED_PROTOTYPES
1241# endif
1242# include <socks.h>
1243# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1244# undef INCLUDE_PROTOTYPES
1245# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1246# endif
d460ef45 1247# endif
1e743fda 1248# ifdef I_NETDB
2986a63f
JH		 1249# ifdef NETWARE
1250# include<stdio.h>
1251# endif
1e743fda
JH		 1252# include <netdb.h>
1253# endif
1254# ifndef ENOTSOCK
1255# ifdef I_NET_ERRNO
1256# include <net/errno.h>
1257# endif
1258# endif
1259#endif
1260
fa0a29af 1261/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1262 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1263 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1264#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1265# if defined(__THROW) && defined(__GLIBC__)
1266int sockatmark(int) __THROW;
1267# else
2ef53570 1268int sockatmark(int);
29820b6d 1269# endif
2ef53570
JH		 1270#endif
1271
7e827271 1272#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		 1273EXTERN_C int fchdir(int);
1274EXTERN_C int flock(int, int);
1275EXTERN_C int fseeko(FILE *, off_t, int);
1276EXTERN_C off_t ftello(FILE *);
1277#endif
1278
7e827271 1279#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1280EXTERN_C char *crypt(const char *, const char *);
7e827271 1281EXTERN_C char **environ;
1ccb7c8d
JH		 1282#endif
1283
83a6ff2e 1284#if defined(__cplusplus)
944c4fda 1285# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1286EXTERN_C char **environ;
83a6ff2e 1287# elif defined(__CYGWIN__)
667e2948
SP		 1288EXTERN_C char *crypt(const char *, const char *);
1289#endif
83a6ff2e 1290#endif
667e2948 1291
1e743fda
JH		 1292#ifdef SETERRNO
1293# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1294#endif
f86702cc 1295
1296#ifdef VMS
1297# define SETERRNO(errcode,vmserrcode) \
1298 STMT_START { \
1299 set_errno(errcode); \
1300 set_vaxc_errno(vmserrcode); \
1301 } STMT_END
4ee39169
CS		 1302# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1303# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1304# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1305# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1306
93189314
JH		 1307# define LIB_INVARG LIB$_INVARG
1308# define RMS_DIR RMS$_DIR
1309# define RMS_FAC RMS$_FAC
1310# define RMS_FEX RMS$_FEX
1311# define RMS_FNF RMS$_FNF
1312# define RMS_IFI RMS$_IFI
1313# define RMS_ISI RMS$_ISI
1314# define RMS_PRV RMS$_PRV
1315# define SS_ACCVIO SS$_ACCVIO
1316# define SS_DEVOFFLINE SS$_DEVOFFLINE
1317# define SS_IVCHAN SS$_IVCHAN
1318# define SS_NORMAL SS$_NORMAL
748a9306 1319#else
aba27d88 1320# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS		 1321# define dSAVEDERRNO int saved_errno
1322# define dSAVE_ERRNO int saved_errno = errno
1323# define SAVE_ERRNO (saved_errno = errno)
1324# define RESTORE_ERRNO (errno = saved_errno)
1325
93189314
JH		 1326# define LIB_INVARG 0
1327# define RMS_DIR 0
1328# define RMS_FAC 0
1329# define RMS_FEX 0
1330# define RMS_FNF 0
1331# define RMS_IFI 0
1332# define RMS_ISI 0
1333# define RMS_PRV 0
1334# define SS_ACCVIO 0
1335# define SS_DEVOFFLINE 0
1336# define SS_IVCHAN 0
1337# define SS_NORMAL 0
748a9306 1338#endif
ed6116ce 1339
f5fa9033 1340#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC		 1341
1342#define CLEAR_ERRSV() STMT_START { \
1343 if (!GvSV(PL_errgv)) { \
1344 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1345 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1346 SvREFCNT_dec(GvSV(PL_errgv)); \
1347 GvSV(PL_errgv) = newSVpvs(""); \
1348 } else { \
1349 SV *const errsv = GvSV(PL_errgv); \
1350 sv_setpvs(errsv, ""); \
1351 if (SvMAGICAL(errsv)) { \
1352 mg_free(errsv); \
1353 } \
1354 SvPOK_only(errsv); \
1355 } \
1356 } STMT_END
1357
1358
414bf5ae
MHM		 1359#ifdef PERL_CORE
1360# define DEFSV (0 + GvSVn(PL_defgv))
1361#else
1362# define DEFSV GvSVn(PL_defgv)
1363#endif
1364#define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
3db8f154 1365#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1366
98eae8f5
GS		 1367#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1368
55497cff 1369#ifndef errno
5ff3f7a4
GS		 1370 extern int errno; /* ANSI allows errno to be an lvalue expr.
1371 * For example in multithreaded environments
1372 * something like this might happen:
1373 * extern int *_errno(void);
1374 * #define errno (*_errno()) */
d9d8d8de 1375#endif
663a0e37 1376
2304df62 1377#ifdef HAS_STRERROR
a0d0e21e 1378# ifdef VMS
20ce7b12 1379 char *strerror (int,...);
a0d0e21e 1380# else
68dc0745 1381#ifndef DONT_DECLARE_STD
20ce7b12 1382 char *strerror (int);
68dc0745 1383#endif
a0d0e21e 1384# endif
2304df62
AD		 1385# ifndef Strerror
1386# define Strerror strerror
1387# endif
1388#else
1389# ifdef HAS_SYS_ERRLIST
79072805
LW		 1390 extern int sys_nerr;
1391 extern char *sys_errlist[];
2304df62
AD		 1392# ifndef Strerror
1393# define Strerror(e) \
79072805 1394 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1395# endif
79072805 1396# endif
35c8bce7 1397#endif
663a0e37 1398
2304df62 1399#ifdef I_SYS_IOCTL
79072805
LW		 1400# ifndef _IOCTL_
1401# include <sys/ioctl.h>
1402# endif
a687059c
LW		 1403#endif
1404
ee0007ab 1405#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1406# ifdef HAS_SOCKETPAIR
1407# undef HAS_SOCKETPAIR
1408# endif
2304df62
AD		 1409# ifdef I_NDBM
1410# undef I_NDBM
79072805 1411# endif
a687059c
LW		 1412#endif
1413
02fc2eee
NC		 1414#ifndef HAS_SOCKETPAIR
1415# ifdef HAS_SOCKET
1416# define socketpair Perl_my_socketpair
1417# endif
1418#endif
1419
a687059c 1420#if INTSIZE == 2
79072805
LW		 1421# define htoni htons
1422# define ntohi ntohs
a687059c 1423#else
79072805
LW		 1424# define htoni htonl
1425# define ntohi ntohl
a687059c
LW		 1426#endif
1427
a0d0e21e 1428/* Configure already sets Direntry_t */
35c8bce7 1429#if defined(I_DIRENT)
663a0e37 1430# include <dirent.h>
8f1f23e8
W		 1431 /* NeXT needs dirent + sys/dir.h */
1432# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1433# include <sys/dir.h>
1434# endif
ae986130 1435#else
fe14fcc3 1436# ifdef I_SYS_NDIR
79a0689e 1437# include <sys/ndir.h>
663a0e37 1438# else
fe14fcc3 1439# ifdef I_SYS_DIR
79a0689e
LW		 1440# ifdef hp9000s500
1441# include <ndir.h> /* may be wrong in the future */
1442# else
1443# include <sys/dir.h>
1444# endif
663a0e37
LW		 1445# endif
1446# endif
4633a7c4 1447#endif
a687059c 1448
12ae5dfc
JH		 1449#ifdef PERL_MICRO
1450# ifndef DIR
1451# define DIR void
1452# endif
1453#endif
1454
352d5a3a
LW		 1455#ifdef FPUTS_BOTCH
1456/* work around botch in SunOS 4.0.1 and 4.0.2 */
1457# ifndef fputs
79072805 1458# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1459# endif
1460#endif
1461
c623bd54
LW		 1462/*
1463 * The following gobbledygook brought to you on behalf of __STDC__.
1464 * (I could just use #ifndef __STDC__, but this is more bulletproof
1465 * in the face of half-implementations.)
1466 */
1467
7114a2d2 1468#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1469#include <sys/mode.h>
1470#endif
1471
c623bd54
LW		 1472#ifndef S_IFMT
1473# ifdef _S_IFMT
1474# define S_IFMT _S_IFMT
1475# else
1476# define S_IFMT 0170000
1477# endif
1478#endif
1479
1480#ifndef S_ISDIR
1481# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1482#endif
1483
1484#ifndef S_ISCHR
1485# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1486#endif
1487
1488#ifndef S_ISBLK
fe14fcc3
LW		 1489# ifdef S_IFBLK
1490# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1491# else
1492# define S_ISBLK(m) (0)
1493# endif
c623bd54
LW		 1494#endif
1495
1496#ifndef S_ISREG
1497# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1498#endif
1499
1500#ifndef S_ISFIFO
fe14fcc3
LW		 1501# ifdef S_IFIFO
1502# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1503# else
1504# define S_ISFIFO(m) (0)
1505# endif
c623bd54
LW		 1506#endif
1507
1508#ifndef S_ISLNK
1509# ifdef _S_ISLNK
1510# define S_ISLNK(m) _S_ISLNK(m)
1511# else
1512# ifdef _S_IFLNK
1513# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1514# else
1515# ifdef S_IFLNK
1516# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1517# else
1518# define S_ISLNK(m) (0)
1519# endif
1520# endif
1521# endif
1522#endif
1523
1524#ifndef S_ISSOCK
1525# ifdef _S_ISSOCK
1526# define S_ISSOCK(m) _S_ISSOCK(m)
1527# else
1528# ifdef _S_IFSOCK
1529# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1530# else
1531# ifdef S_IFSOCK
1532# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1533# else
1534# define S_ISSOCK(m) (0)
1535# endif
1536# endif
1537# endif
1538#endif
1539
1540#ifndef S_IRUSR
1541# ifdef S_IREAD
1542# define S_IRUSR S_IREAD
1543# define S_IWUSR S_IWRITE
1544# define S_IXUSR S_IEXEC
1545# else
1546# define S_IRUSR 0400
1547# define S_IWUSR 0200
1548# define S_IXUSR 0100
1549# endif
fac7cdfc
JS		 1550#endif
1551
1552#ifndef S_IRGRP
1553# ifdef S_IRUSR
1554# define S_IRGRP (S_IRUSR>>3)
1555# define S_IWGRP (S_IWUSR>>3)
1556# define S_IXGRP (S_IXUSR>>3)
1557# else
1558# define S_IRGRP 0040
1559# define S_IWGRP 0020
1560# define S_IXGRP 0010
1561# endif
1562#endif
1563
1564#ifndef S_IROTH
1565# ifdef S_IRUSR
1566# define S_IROTH (S_IRUSR>>6)
1567# define S_IWOTH (S_IWUSR>>6)
1568# define S_IXOTH (S_IXUSR>>6)
1569# else
1570# define S_IROTH 0040
1571# define S_IWOTH 0020
1572# define S_IXOTH 0010
1573# endif
c623bd54
LW		 1574#endif
1575
1576#ifndef S_ISUID
1577# define S_ISUID 04000
1578#endif
1579
1580#ifndef S_ISGID
1581# define S_ISGID 02000
1582#endif
1583
ca6e1c26
JH		 1584#ifndef S_IRWXU
1585# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1586#endif
ca6e1c26
JH		 1587
1588#ifndef S_IRWXG
1589# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1590#endif
ca6e1c26
JH		 1591
1592#ifndef S_IRWXO
1593# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1594#endif
ca6e1c26 1595
df00ff3b 1596/* BeOS 5.0 and Haiku R1 seem to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1597 * which would get included through <sys/file.h >, but that is 3000
1598 * lines in the future. --jhi */
1599
df00ff3b 1600#if !defined(S_IREAD) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1601# define S_IREAD S_IRUSR
1602#endif
1603
df00ff3b 1604#if !defined(S_IWRITE) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1605# define S_IWRITE S_IWUSR
1606#endif
1607
1608#ifndef S_IEXEC
1609# define S_IEXEC S_IXUSR
1610#endif
1611
79072805
LW		 1612#ifdef ff_next
1613# undef ff_next
352d5a3a
LW		 1614#endif
1615
a0d0e21e 1616#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1617# define SLOPPYDIVIDE
1618#endif
1619
748a9306
LW		 1620#ifdef UV
1621#undef UV
1622#endif
1623
c89df6bf
JH		 1624#ifdef SPRINTF_E_BUG
1625# define sprintf UTS_sprintf_wrap
1626#endif
1627
ce582cee
NC		 1628/* For the times when you want the return value of sprintf, and you want it
1629 to be the length. Can't have a thread variable passed in, because C89 has
1630 no varargs macros.
1631*/
1632#ifdef SPRINTF_RETURNS_STRLEN
1633# define my_sprintf sprintf
1634#else
1635# define my_sprintf Perl_my_sprintf
1636#endif
1637
5b692037
JH		 1638/*
1639 * If we have v?snprintf() and the C99 variadic macros, we can just
1640 * use just the v?snprintf(). It is nice to try to trap the buffer
1641 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1642 * gcc statement expressions, then use the function wrappers which try
1643 * to trap the overflow. If we can use the gcc statement expressions,
1644 * we can try that even with the version that uses the C99 variadic
1645 * macros.
5b692037
JH		 1646 */
1647
1208b3dd
JH		 1648/* Note that we do not check against snprintf()/vsnprintf() returning
1649 * negative values because that is non-standard behaviour and we use
1650 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1651 * that should be true only if the snprintf()/vsnprintf() are true
1652 * to the standard. */
1653
dfeee9b1 1654#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1655# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1656# 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 1657# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1658# else
1659# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1660# endif
1661#else
1662# define my_snprintf Perl_my_snprintf
1208b3dd 1663# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1664#endif
1665
dfeee9b1 1666#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1667# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1668# 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 1669# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1670# else
1671# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1672# endif
1673#else
1674# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1675# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1676#endif
d9fad198 1677
a6cc4119
SP		 1678#ifdef HAS_STRLCAT
1679# define my_strlcat strlcat
1680#else
1681# define my_strlcat Perl_my_strlcat
1682#endif
1683
1684#ifdef HAS_STRLCPY
1685# define my_strlcpy strlcpy
1686#else
1687# define my_strlcpy Perl_my_strlcpy
1688#endif
1689
c495e728
JH		 1690/* Configure gets this right but the UTS compiler gets it wrong.
1691 -- Hal Morris <hom00@utsglobal.com> */
1692#ifdef UTS
1693# undef UVTYPE
1694# define UVTYPE unsigned
1695#endif
1696
05f13f53 1697/*
27d4fb96 1698 The IV type is supposed to be long enough to hold any integral
1699 value or a pointer.
1700 --Andy Dougherty August 1996
1701*/
1702
a22e52b9
JH		 1703typedef IVTYPE IV;
1704typedef UVTYPE UV;
8175356b 1705
10cc9d2a 1706#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1707# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1708# define IV_MAX INT64_MAX
1709# define IV_MIN INT64_MIN
1710# define UV_MAX UINT64_MAX
cae7ae48
JH		 1711# ifndef UINT64_MIN
1712# define UINT64_MIN 0
1713# endif
5ff3f7a4
GS		 1714# define UV_MIN UINT64_MIN
1715# else
1716# define IV_MAX PERL_QUAD_MAX
1717# define IV_MIN PERL_QUAD_MIN
1718# define UV_MAX PERL_UQUAD_MAX
1719# define UV_MIN PERL_UQUAD_MIN
1720# endif
cf2093f6
JH		 1721# define IV_IS_QUAD
1722# define UV_IS_QUAD
79072805 1723#else
8175356b 1724# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1725# define IV_MAX INT32_MAX
1726# define IV_MIN INT32_MIN
716026f9
DL		 1727# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1728# define UV_MAX UINT32_MAX
1729# else
1730# define UV_MAX 4294967295U
1731# endif
cae7ae48
JH		 1732# ifndef UINT32_MIN
1733# define UINT32_MIN 0
1734# endif
5ff3f7a4
GS		 1735# define UV_MIN UINT32_MIN
1736# else
1737# define IV_MAX PERL_LONG_MAX
1738# define IV_MIN PERL_LONG_MIN
1739# define UV_MAX PERL_ULONG_MAX
1740# define UV_MIN PERL_ULONG_MIN
1741# endif
8175356b 1742# if IVSIZE == 8
cf2093f6
JH		 1743# define IV_IS_QUAD
1744# define UV_IS_QUAD
de1c2614
JH		 1745# ifndef HAS_QUAD
1746# define HAS_QUAD
1747# endif
cf2093f6
JH		 1748# else
1749# undef IV_IS_QUAD
1750# undef UV_IS_QUAD
de1c2614 1751# undef HAS_QUAD
cf2093f6 1752# endif
79072805 1753#endif
d7d93a81 1754
1109a392
MHM		 1755#ifndef HAS_QUAD
1756# undef PERL_NEED_MY_HTOLE64
1757# undef PERL_NEED_MY_LETOH64
1758# undef PERL_NEED_MY_HTOBE64
1759# undef PERL_NEED_MY_BETOH64
1760#endif
1761
6cde8aec 1762#if defined(uts) || defined(UTS)
11afe549
HM		 1763# undef UV_MAX
1764# define UV_MAX (4294967295u)
20601011
JH		 1765#endif
1766
cae7ae48 1767#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1768#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1769
28e5dec8 1770#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1771#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1772#endif
1773
d460ef45 1774/*
26bb67e2
JH		 1775 * The macros INT2PTR and NUM2PTR are (despite their names)
1776 * bi-directional: they will convert int/float to or from pointers.
1777 * However the conversion to int/float are named explicitly:
1778 * PTR2IV, PTR2UV, PTR2NV.
1779 *
1780 * For int conversions we do not need two casts if pointers are
1781 * the same size as IV and UV. Otherwise we need an explicit
1782 * cast (PTRV) to avoid compiler warnings.
1783 */
56431972
RB		 1784#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1785# define PTRV UV
1786# define INT2PTR(any,d) (any)(d)
1787#else
d460ef45 1788# if PTRSIZE == LONGSIZE
56431972 1789# define PTRV unsigned long
e91e3b10 1790# define PTR2ul(p) (unsigned long)(p)
42718184 1791# else
56431972 1792# define PTRV unsigned
42718184 1793# endif
e91e3b10
RB		 1794#endif
1795
1796#ifndef INT2PTR
56431972 1797# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1798#endif
e91e3b10
RB		 1799
1800#ifndef PTR2ul
1801# define PTR2ul(p) INT2PTR(unsigned long,p)
1802#endif
1803
56431972
RB		 1804#define NUM2PTR(any,d) (any)(PTRV)(d)
1805#define PTR2IV(p) INT2PTR(IV,p)
1806#define PTR2UV(p) INT2PTR(UV,p)
1807#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1808#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1809
8141890a
JH		 1810/* According to strict ANSI C89 one cannot freely cast between
1811 * data pointers and function (code) pointers. There are at least
1812 * two ways around this. One (used below) is to do two casts,
1813 * first the other pointer to an (unsigned) integer, and then
1814 * the integer to the other pointer. The other way would be
1815 * to use unions to "overlay" the pointers. For an example of
1816 * the latter technique, see union dirpu in struct xpvio in sv.h.
1817 * The only feasible use is probably temporarily storing
1818 * function pointers in a data pointer (such as a void pointer). */
1819
e91e3b10
RB		 1820#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1821#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1822
65202027 1823#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1824# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1825# define LONG_DOUBLE_EQUALS_DOUBLE
1826# endif
68d4903c 1827# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1828# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1829# endif
1830#endif
1831
2d4389e4
JH		 1832#ifdef OVR_DBL_DIG
1833/* Use an overridden DBL_DIG */
1834# ifdef DBL_DIG
1835# undef DBL_DIG
1836# endif
1837# define DBL_DIG OVR_DBL_DIG
1838#else
1839/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1840 default value for printing floating point numbers in Gconvert
1841 (see config.h). (It also has other uses, such as figuring out if
1842 a given precision of printing can be done with a double instead of
1843 a long double - Allen).
2d4389e4
JH		 1844*/
1845#ifdef I_LIMITS
1846#include <limits.h>
1847#endif
1848#ifdef I_FLOAT
1849#include <float.h>
1850#endif
1851#ifndef HAS_DBL_DIG
1852#define DBL_DIG 15 /* A guess that works lots of places */
1853#endif
1854#endif
1855
1856#ifdef OVR_LDBL_DIG
1857/* Use an overridden LDBL_DIG */
1858# ifdef LDBL_DIG
1859# undef LDBL_DIG
1860# endif
1861# define LDBL_DIG OVR_LDBL_DIG
1862#else
1863/* The following is all to get LDBL_DIG, in order to pick a nice
1864 default value for printing floating point numbers in Gconvert.
1865 (see config.h)
1866*/
68d4903c
JH		 1867# ifdef I_LIMITS
1868# include <limits.h>
1869# endif
1870# ifdef I_FLOAT
1871# include <float.h>
1872# endif
1873# ifndef HAS_LDBL_DIG
1874# if LONG_DOUBLESIZE == 10
1875# define LDBL_DIG 18 /* assume IEEE */
1876# else
1877# if LONG_DOUBLESIZE == 12
1878# define LDBL_DIG 18 /* gcc? */
1879# else
1880# if LONG_DOUBLESIZE == 16
1881# define LDBL_DIG 33 /* assume IEEE */
1882# else
1883# if LONG_DOUBLESIZE == DOUBLESIZE
1884# define LDBL_DIG DBL_DIG /* bummer */
1885# endif
1886# endif
1887# endif
1888# endif
1889# endif
2d4389e4
JH		 1890#endif
1891
20f6aaab
AS		 1892/*
1893 * This is for making sure we have a good DBL_MAX value, if possible,
1894 * either for usage as NV_MAX or for usage in figuring out if we can
1895 * fit a given long double into a double, if bug-fixing makes it
1896 * necessary to do so. - Allen <allens@cpan.org>
1897 */
1898
205f51d8
AS		 1899#ifdef I_LIMITS
1900# include <limits.h>
20f6aaab
AS		 1901#endif
1902
205f51d8
AS		 1903#ifdef I_VALUES
1904# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1905# include <values.h>
1906# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1907# define DBL_MAX MAXDOUBLE
1908# endif
1909# if defined(MINDOUBLE) && !defined(DBL_MIN)
1910# define DBL_MIN MINDOUBLE
1911# endif
1912# endif
1913#endif /* defined(I_VALUES) */
1914
a22e52b9 1915typedef NVTYPE NV;
8175356b 1916
792d8dab
JH		 1917#ifdef I_IEEEFP
1918# include <ieeefp.h>
1919#endif
923fc586 1920
65202027 1921#ifdef USE_LONG_DOUBLE
923fc586
JH		 1922# ifdef I_SUNMATH
1923# include <sunmath.h>
1924# endif
2d4389e4 1925# define NV_DIG LDBL_DIG
d6c14000
JH		 1926# ifdef LDBL_MANT_DIG
1927# define NV_MANT_DIG LDBL_MANT_DIG
1928# endif
06fc1729
JH		 1929# ifdef LDBL_MIN
1930# define NV_MIN LDBL_MIN
1931# endif
1932# ifdef LDBL_MAX
1933# define NV_MAX LDBL_MAX
1934# endif
1935# ifdef LDBL_MIN_10_EXP
1936# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1937# endif
1938# ifdef LDBL_MAX_10_EXP
1939# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1940# endif
1941# ifdef LDBL_EPSILON
1942# define NV_EPSILON LDBL_EPSILON
1943# endif
f4a14a62
JH		 1944# ifdef LDBL_MAX
1945# define NV_MAX LDBL_MAX
20f6aaab 1946/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1947# else
1948# ifdef HUGE_VALL
1949# define NV_MAX HUGE_VALL
1950# else
1951# ifdef HUGE_VAL
1952# define NV_MAX ((NV)HUGE_VAL)
1953# endif
1954# endif
1955# endif
68d4903c 1956# ifdef HAS_SQRTL
68d4903c
JH		 1957# define Perl_cos cosl
1958# define Perl_sin sinl
1959# define Perl_sqrt sqrtl
1960# define Perl_exp expl
1961# define Perl_log logl
1962# define Perl_atan2 atan2l
1963# define Perl_pow powl
1964# define Perl_floor floorl
1bbae031 1965# define Perl_ceil ceill
68d4903c
JH		 1966# define Perl_fmod fmodl
1967# endif
a3540c92
JH		 1968/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1969# ifdef HAS_MODFL
1970# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1971/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1972 prototype in <math.h> */
1973# ifndef HAS_MODFL_PROTO
a221a8a5 1974EXTERN_C long double modfl(long double, long double *);
51997bc3 1975# endif
03476e8e
JH		 1976# else
1977# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1978 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1979# define Perl_modf(x,y) Perl_my_modfl(x,y)
1980# endif
a3540c92
JH		 1981# endif
1982# ifdef HAS_FREXPL
dff3e0b8 1983# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1984# else
1985# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1986 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1987# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1988# endif
a3540c92 1989# endif
38dbb4c5 1990# ifndef Perl_isnan
758a5d79
JH		 1991# ifdef HAS_ISNANL
1992# define Perl_isnan(x) isnanl(x)
1993# endif
1994# endif
1995# ifndef Perl_isinf
1996# ifdef HAS_FINITEL
1997# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1998# endif
1999# endif
65202027 2000#else
2d4389e4 2001# define NV_DIG DBL_DIG
d6c14000
JH		 2002# ifdef DBL_MANT_DIG
2003# define NV_MANT_DIG DBL_MANT_DIG
2004# endif
06fc1729
JH		 2005# ifdef DBL_MIN
2006# define NV_MIN DBL_MIN
2007# endif
2008# ifdef DBL_MAX
2009# define NV_MAX DBL_MAX
2010# endif
2011# ifdef DBL_MIN_10_EXP
2012# define NV_MIN_10_EXP DBL_MIN_10_EXP
2013# endif
2014# ifdef DBL_MAX_10_EXP
2015# define NV_MAX_10_EXP DBL_MAX_10_EXP
2016# endif
2017# ifdef DBL_EPSILON
2018# define NV_EPSILON DBL_EPSILON
2019# endif
205f51d8 2020# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 2021# define NV_MAX DBL_MAX
2022# define NV_MIN DBL_MIN
2023# else
2024# ifdef HUGE_VAL
2025# define NV_MAX HUGE_VAL
2026# endif
2027# endif
65202027
DS		 2028# define Perl_cos cos
2029# define Perl_sin sin
2030# define Perl_sqrt sqrt
2031# define Perl_exp exp
2032# define Perl_log log
2033# define Perl_atan2 atan2
2034# define Perl_pow pow
2035# define Perl_floor floor
1bbae031 2036# define Perl_ceil ceil
65202027 2037# define Perl_fmod fmod
a3540c92 2038# define Perl_modf(x,y) modf(x,y)
dff3e0b8 2039# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 2040#endif
2041
2042/* rumor has it that Win32 has _fpclass() */
2043
205f51d8
AS		 2044/* SGI has fpclassl... but not with the same result values,
2045 * and it's via a typedef (not via #define), so will need to redo Configure
2046 * to use. Not worth the trouble, IMO, at least until the below is used
2047 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
2048 * with me for the SGI manpages, SGI testing, etcetera, if you want to
2049 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
2050
758a5d79
JH		 2051#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2052# ifdef I_IEEFP
2053# include <ieeefp.h>
2054# endif
2055# ifdef I_FP
2056# include <fp.h>
2057# endif
2058# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2059# define Perl_fp_class() fpclassl(x)
2060# else
2061# define Perl_fp_class() fpclass(x)
2062# endif
2063# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2064# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2065# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2066# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2067# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2068# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2069# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2070# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2071# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2072# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2073# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2074# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2075# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2076# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2077# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2078#endif
2079
7114a2d2 2080#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2081# include <math.h>
2082# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2083# include <fp_class.h>
2084# endif
2085# define Perl_fp_class(x) fp_class(x)
2086# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2087# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2088# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2089# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2090# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2091# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2092# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2093# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2094# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2095# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2096# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2097# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2098# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2099# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2100# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2101#endif
2102
2103#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2104# include <math.h>
2105# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2106# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2107# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2108# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2109# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2110# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2111#endif
2112
2113#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2114# include <math.h>
2115# ifndef _cplusplus
2116# define Perl_fp_class(x) class(x)
2117# else
2118# define Perl_fp_class(x) _class(x)
2119# endif
2120# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2121# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2122# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2123# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2124# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2125# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2126# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2127# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2128# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2129# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2130# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2131# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2132# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2133# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2134# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2135#endif
2136
2137/* rumor has it that Win32 has _isnan() */
2138
2139#ifndef Perl_isnan
a3540c92 2140# ifdef HAS_ISNAN
758a5d79
JH		 2141# define Perl_isnan(x) isnan((NV)x)
2142# else
2143# ifdef Perl_fp_class_nan
2144# define Perl_isnan(x) Perl_fp_class_nan(x)
2145# else
2146# ifdef HAS_UNORDERED
2147# define Perl_isnan(x) unordered((x), 0.0)
2148# else
2149# define Perl_isnan(x) ((x)!=(x))
2150# endif
2151# endif
2152# endif
2153#endif
2154
ca6c63e1
JH		 2155#ifdef UNDER_CE
2156int isnan(double d);
2157#endif
2158
758a5d79
JH		 2159#ifndef Perl_isinf
2160# ifdef HAS_ISINF
2161# define Perl_isinf(x) isinf((NV)x)
a3540c92 2162# else
758a5d79
JH		 2163# ifdef Perl_fp_class_inf
2164# define Perl_isinf(x) Perl_fp_class_inf(x)
2165# else
2166# define Perl_isinf(x) ((x)==NV_INF)
2167# endif
2168# endif
2169#endif
2170
2171#ifndef Perl_isfinite
2172# ifdef HAS_FINITE
2173# define Perl_isfinite(x) finite((NV)x)
2174# else
2175# ifdef HAS_ISFINITE
2176# define Perl_isfinite(x) isfinite(x)
2177# else
2178# ifdef Perl_fp_class_finite
2179# define Perl_isfinite(x) Perl_fp_class_finite(x)
2180# else
2181# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2182# endif
2183# endif
a3540c92 2184# endif
65202027
DS		 2185#endif
2186
a36244b7
JH		 2187/* The default is to use Perl's own atof() implementation (in numeric.c).
2188 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2189 * it is however best to use the native implementation of atof.
2190 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2191 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2192 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2193 * you may need to be using a different function than atof! */
a36244b7
JH		 2194
2195#ifndef USE_PERL_ATOF
2196# ifndef _UNICOS
2197# define USE_PERL_ATOF
2198# endif
2199#else
2200# if USE_PERL_ATOF == 0
2201# undef USE_PERL_ATOF
2202# endif
2203#endif
2204
2205#ifdef USE_PERL_ATOF
2206# define Perl_atof(s) Perl_my_atof(s)
2207# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2208#else
2209# define Perl_atof(s) (NV)atof(s)
2210# define Perl_atof2(s, n) ((n) = atof(s))
2211#endif
cf2093f6 2212
d460ef45 2213/* Previously these definitions used hardcoded figures.
760ac839
LW		 2214 * It is hoped these formula are more portable, although
2215 * no data one way or another is presently known to me.
2216 * The "PERL_" names are used because these calculated constants
2217 * do not meet the ANSI requirements for LONG_MAX, etc., which
2218 * need to be constants acceptable to #if - kja
2219 * define PERL_LONG_MAX 2147483647L
2220 * define PERL_LONG_MIN (-LONG_MAX - 1)
2221 * define PERL ULONG_MAX 4294967295L
2222 */
2223
2224#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2225# include <limits.h>
760ac839 2226#endif
205f51d8
AS		 2227/* Included values.h above if necessary; still including limits.h down here,
2228 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2229
99abf803 2230/*
2231 * Try to figure out max and min values for the integral types. THE CORRECT
2232 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2233 * following hacks are used if neither limits.h or values.h provide them:
2234 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2235 * for types < int: (unsigned TYPE)~(unsigned)0
2236 * The argument to ~ must be unsigned so that later signed->unsigned
2237 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2238 * and it must not be smaller than int because ~ does integral promotion.
2239 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2240 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2241 * The latter is a hack which happens to work on some machines but
2242 * does *not* catch any random system, or things like integer types
2243 * with NaN if that is possible.
2244 *
2245 * All of the types are explicitly cast to prevent accidental loss of
2246 * numeric range, and in the hope that they will be less likely to confuse
2247 * over-eager optimizers.
2248 *
2249 */
27d4fb96 2250
99abf803 2251#define PERL_UCHAR_MIN ((unsigned char)0)
2252
2253#ifdef UCHAR_MAX
2254# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2255#else
99abf803 2256# ifdef MAXUCHAR
2257# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2258# else
99abf803 2259# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2260# endif
2261#endif
d460ef45 2262
99abf803 2263/*
2264 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2265 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2266 * depending on local options. Until Configure detects this (or at least
2267 * detects whether the "signed" keyword is available) the CHAR ranges
2268 * will not be included. UCHAR functions normally.
2269 * - kja
2270 */
27d4fb96 2271
99abf803 2272#define PERL_USHORT_MIN ((unsigned short)0)
2273
2274#ifdef USHORT_MAX
2275# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2276#else
99abf803 2277# ifdef MAXUSHORT
2278# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2279# else
ef2f54b0
CB		 2280# ifdef USHRT_MAX
2281# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2282# else
2283# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2284# endif
27d4fb96 2285# endif
2286#endif
2287
27d4fb96 2288#ifdef SHORT_MAX
99abf803 2289# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2290#else
2291# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2292# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2293# else
ef2f54b0
CB		 2294# ifdef SHRT_MAX
2295# define PERL_SHORT_MAX ((short)SHRT_MAX)
2296# else
2297# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2298# endif
27d4fb96 2299# endif
2300#endif
2301
2302#ifdef SHORT_MIN
99abf803 2303# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2304#else
2305# ifdef MINSHORT
99abf803 2306# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2307# else
ef2f54b0
CB		 2308# ifdef SHRT_MIN
2309# define PERL_SHORT_MIN ((short)SHRT_MIN)
2310# else
2311# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2312# endif
27d4fb96 2313# endif
2314#endif
2315
99abf803 2316#ifdef UINT_MAX
2317# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2318#else
99abf803 2319# ifdef MAXUINT
2320# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2321# else
99abf803 2322# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2323# endif
2324#endif
2325
99abf803 2326#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2327
2328#ifdef INT_MAX
99abf803 2329# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2330#else
2331# ifdef MAXINT /* Often used in <values.h> */
99abf803 2332# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2333# else
99abf803 2334# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2335# endif
2336#endif
2337
2338#ifdef INT_MIN
99abf803 2339# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2340#else
2341# ifdef MININT
99abf803 2342# define PERL_INT_MIN ((int)MININT)
27d4fb96 2343# else
2344# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2345# endif
2346#endif
2347
99abf803 2348#ifdef ULONG_MAX
2349# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2350#else
99abf803 2351# ifdef MAXULONG
2352# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2353# else
99abf803 2354# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2355# endif
2356#endif
2357
99abf803 2358#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2359
760ac839 2360#ifdef LONG_MAX
99abf803 2361# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2362#else
2363# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2364# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2365# else
99abf803 2366# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2367# endif
2368#endif
2369
2370#ifdef LONG_MIN
99abf803 2371# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2372#else
2373# ifdef MINLONG
99abf803 2374# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2375# else
27d4fb96 2376# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2377# endif
2378#endif
2379
d7d93a81 2380#ifdef UV_IS_QUAD
99abf803 2381
99abf803 2382# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2383# define PERL_UQUAD_MIN ((UV)0)
99abf803 2384# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2385# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2386
79072805
LW		 2387#endif
2388
22f7c9c9
JH		 2389#ifdef MYMALLOC
2390# include "malloc_ctl.h"
2391#endif
2392
830247a4 2393struct RExC_state_t;
8e11feef 2394struct _reg_trie_data;
880b20b6 2395
ee0007ab 2396typedef MEM_SIZE STRLEN;
450a55e4 2397
598921a7
NC		 2398#ifdef PERL_MAD
2399typedef struct token TOKEN;
2400typedef struct madprop MADPROP;
2401typedef struct nexttoken NEXTTOKE;
2402#endif
79072805
LW		 2403typedef struct op OP;
2404typedef struct cop COP;
2405typedef struct unop UNOP;
2406typedef struct binop BINOP;
2407typedef struct listop LISTOP;
2408typedef struct logop LOGOP;
79072805
LW		 2409typedef struct pmop PMOP;
2410typedef struct svop SVOP;
7934575e 2411typedef struct padop PADOP;
79072805 2412typedef struct pvop PVOP;
79072805
LW		 2413typedef struct loop LOOP;
2414
52db365a
BM		 2415typedef struct block_hooks BHK;
2416
cd1541b2
NC		 2417typedef struct interpreter PerlInterpreter;
2418
d2b3f365
SS		 2419/* Amdahl's <ksync.h> has struct sv */
2420/* SGI's <sys/sema.h> has struct sv */
2421#if defined(UTS) || defined(__sgi)
2422# define STRUCT_SV perl_sv
b8d3c5db
JH		 2423#else
2424# define STRUCT_SV sv
2425#endif
2426typedef struct STRUCT_SV SV;
79072805
LW		 2427typedef struct av AV;
2428typedef struct hv HV;
2429typedef struct cv CV;
288b8c02 2430typedef struct regexp ORANGE; /* This is the body structure. */
d2f13c59 2431typedef struct p5rx REGEXP;
79072805 2432typedef struct gp GP;
0c30d9ec 2433typedef struct gv GV;
8990e307 2434typedef struct io IO;
c09156bb 2435typedef struct context PERL_CONTEXT;
79072805
LW		 2436typedef struct block BLOCK;
2437
2438typedef struct magic MAGIC;
2439typedef struct xpv XPV;
2440typedef struct xpviv XPVIV;
ff68c719 2441typedef struct xpvuv XPVUV;
79072805
LW		 2442typedef struct xpvnv XPVNV;
2443typedef struct xpvmg XPVMG;
2444typedef struct xpvlv XPVLV;
2445typedef struct xpvav XPVAV;
2446typedef struct xpvhv XPVHV;
2447typedef struct xpvgv XPVGV;
2448typedef struct xpvcv XPVCV;
2449typedef struct xpvbm XPVBM;
2450typedef struct xpvfm XPVFM;
8990e307 2451typedef struct xpvio XPVIO;
79072805
LW		 2452typedef struct mgvtbl MGVTBL;
2453typedef union any ANY;
5f7fde29
GS		 2454typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2455typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2456typedef struct clone_params CLONE_PARAMS;
2457
378cc40b 2458#include "handy.h"
a0d0e21e 2459
6b8eaf93 2460#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2461# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2462# define USE_64_BIT_RAWIO /* implicit */
2463# endif
4564133c
JH		 2464#endif
2465
6b8eaf93
JH		 2466/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2467 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2468 * however, because operating systems like to do that themself. */
2469#ifndef FSEEKSIZE
2470# ifdef HAS_FSEEKO
2471# define FSEEKSIZE LSEEKSIZE
2472# else
2473# define FSEEKSIZE LONGSIZE
d460ef45 2474# endif
6b8eaf93
JH		 2475#endif
2476
2477#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2478# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2479# define USE_64_BIT_STDIO /* implicit */
2480# endif
2481#endif
4564133c 2482
09458382 2483#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2484# ifdef HAS_OFF64_T
2485# undef Off_t
2486# define Off_t off64_t
2487# undef LSEEKSIZE
2488# define LSEEKSIZE 8
5ff3f7a4 2489# endif
d9b3e12d
JH		 2490/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2491 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2492 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2493# if defined(USE_OPEN64)
2494# define open open64
5ff3f7a4 2495# endif
d9b3e12d
JH		 2496# if defined(USE_LSEEK64)
2497# define lseek lseek64
6b8eaf93
JH		 2498# else
2499# if defined(USE_LLSEEK)
2500# define lseek llseek
2501# endif
d9b3e12d
JH		 2502# endif
2503# if defined(USE_STAT64)
2504# define stat stat64
2505# endif
2506# if defined(USE_FSTAT64)
2507# define fstat fstat64
2508# endif
2509# if defined(USE_LSTAT64)
2510# define lstat lstat64
2511# endif
2512# if defined(USE_FLOCK64)
2513# define flock flock64
2514# endif
2515# if defined(USE_LOCKF64)
2516# define lockf lockf64
2517# endif
2518# if defined(USE_FCNTL64)
2519# define fcntl fcntl64
2520# endif
2521# if defined(USE_TRUNCATE64)
2522# define truncate truncate64
2523# endif
2524# if defined(USE_FTRUNCATE64)
2525# define ftruncate ftruncate64
2526# endif
2527#endif
2528
2529#ifdef USE_64_BIT_STDIO
2530# ifdef HAS_FPOS64_T
2531# undef Fpos_t
2532# define Fpos_t fpos64_t
2533# endif
2534/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2535 * will trigger defines like the ones below. Some 64-bit environments,
2536 * however, do not. */
2537# if defined(USE_FOPEN64)
2538# define fopen fopen64
2539# endif
2540# if defined(USE_FSEEK64)
6b8eaf93 2541# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2542# endif
2543# if defined(USE_FTELL64)
6b8eaf93 2544# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2545# endif
2546# if defined(USE_FSETPOS64)
2547# define fsetpos fsetpos64
2548# endif
2549# if defined(USE_FGETPOS64)
2550# define fgetpos fgetpos64
2551# endif
2552# if defined(USE_TMPFILE64)
2553# define tmpfile tmpfile64
2554# endif
2555# if defined(USE_FREOPEN64)
2556# define freopen freopen64
5ff3f7a4
GS		 2557# endif
2558#endif
2559
e37778c2 2560#if defined(OS2)
2c2d71f5
JH		 2561# include "iperlsys.h"
2562#endif
2563
6f71a643 2564#if defined(__OPEN_VM)
19848b3f
JH		 2565# include "vmesa/vmesaish.h"
2566# define ISHISH "vmesa"
6f71a643
JH		 2567#endif
2568
748a9306 2569#ifdef DOSISH
19848b3f
JH		 2570# if defined(OS2)
2571# include "os2ish.h"
2572# else
2573# include "dosish.h"
2574# endif
2575# define ISHISH "dos"
2576#endif
2577
2578#if defined(VMS)
748a9306 2579# include "vmsish.h"
96e176bf 2580# include "embed.h"
eb8433b7
NC		 2581# ifndef PERL_MAD
2582# undef op_getmad
b3f24c00 2583# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2584# endif
19848b3f
JH		 2585# define ISHISH "vms"
2586#endif
2587
2588#if defined(PLAN9)
2589# include "./plan9/plan9ish.h"
2590# define ISHISH "plan9"
2591#endif
2592
2593#if defined(MPE)
2594# include "mpeix/mpeixish.h"
2595# define ISHISH "mpeix"
2596#endif
2597
2598#if defined(__VOS__)
196918b0
PG		 2599# ifdef __GNUC__
2600# include "./vos/vosish.h"
2601# else
2602# include "vos/vosish.h"
2603# endif
19848b3f
JH		 2604# define ISHISH "vos"
2605#endif
2606
2607#if defined(EPOC)
2608# include "epocish.h"
2609# define ISHISH "epoc"
2610#endif
2611
9969cdde 2612#ifdef __SYMBIAN32__
27da23d5
JH		 2613# include "symbian/symbianish.h"
2614# include "embed.h"
eb8433b7
NC		 2615# ifndef PERL_MAD
2616# undef op_getmad
b3f24c00 2617# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2618# endif
27da23d5
JH		 2619# define ISHISH "symbian"
2620#endif
2621
19848b3f 2622
df00ff3b
IW		 2623#if defined(__HAIKU__)
2624# include "haiku/haikuish.h"
2625# define ISHISH "haiku"
2626#elif defined(__BEOS__)
efca5cc6
JH		 2627# include "beos/beosish.h"
2628# define ISHISH "beos"
2629#endif
2630
19848b3f
JH		 2631#ifndef ISHISH
2632# include "unixish.h"
2633# define ISHISH "unix"
13b6e58c
JH		 2634#endif
2635
2946a158
JH		 2636/* NSIG logic from Configure --> */
2637/* Strange style to avoid deeply-nested #if/#else/#endif */
2638#ifndef NSIG
2639# ifdef _NSIG
2640# define NSIG (_NSIG)
2641# endif
2642#endif
2643
2644#ifndef NSIG
2645# ifdef SIGMAX
2646# define NSIG (SIGMAX+1)
2647# endif
2648#endif
2649
2650#ifndef NSIG
2651# ifdef SIG_MAX
2652# define NSIG (SIG_MAX+1)
2653# endif
2654#endif
2655
2656#ifndef NSIG
2657# ifdef _SIG_MAX
2658# define NSIG (_SIG_MAX+1)
2659# endif
2660#endif
2661
2662#ifndef NSIG
2663# ifdef MAXSIG
2664# define NSIG (MAXSIG+1)
2665# endif
2666#endif
2667
2668#ifndef NSIG
2669# ifdef MAX_SIG
2670# define NSIG (MAX_SIG+1)
2671# endif
2672#endif
2673
2674#ifndef NSIG
2675# ifdef SIGARRAYSIZE
2676# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2677# endif
2678#endif
2679
2680#ifndef NSIG
2681# ifdef _sys_nsig
2682# define NSIG (_sys_nsig) /* Solaris 2.5 */
2683# endif
2684#endif
2685
2686/* Default to some arbitrary number that's big enough to get most
2687 of the common signals.
2688*/
2689#ifndef NSIG
2690# define NSIG 50
2691#endif
2692/* <-- NSIG logic from Configure */
2693
13b6e58c
JH		 2694#ifndef NO_ENVIRON_ARRAY
2695# define USE_ENVIRON_ARRAY
2696#endif
32f822de 2697
c77b533b
JH		 2698/*
2699 * initialise to avoid floating-point exceptions from overflow, etc
2700 */
2701#ifndef PERL_FPU_INIT
2702# ifdef HAS_FPSETMASK
2703# if HAS_FLOATINGPOINT_H
2704# include <floatingpoint.h>
2705# endif
ad3a8c67
NC		 2706/* Some operating systems have this as a macro, which in turn expands to a comma
2707 expression, and the last sub-expression is something that gets calculated,
2708 and then they have the gall to warn that a value computed is not used. Hence
2709 cast to void. */
2710# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2711# else
2f42fcb0 2712# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2713# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2714# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2715# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2716# else
2717# define PERL_FPU_INIT
2f42fcb0 2718
7014c407 2719# endif
c77b533b
JH		 2720# endif
2721#endif
b35112e7
CS		 2722#ifndef PERL_FPU_PRE_EXEC
2723# define PERL_FPU_PRE_EXEC {
2724# define PERL_FPU_POST_EXEC }
2725#endif
c77b533b 2726
cbec8ebe
DM		 2727#ifndef PERL_SYS_INIT3_BODY
2728# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2729#endif
2730
eb533572
DM		 2731/*
2732=for apidoc Am|void|PERL_SYS_INIT|int argc|char** argv
2733Provides system-specific tune up of the C runtime environment necessary to
2734run Perl interpreters. This should be called only once, before creating
2735any Perl interpreters.
2736
2737=for apidoc Am|void|PERL_SYS_INIT3|int argc|char** argv|char** env
2738Provides system-specific tune up of the C runtime environment necessary to
2739run Perl interpreters. This should be called only once, before creating
2740any Perl interpreters.
2741
2742=for apidoc Am|void|PERL_SYS_TERM|
2743Provides system-specific clean up of the C runtime environment after
2744running Perl interpreters. This should be called only once, after
2745freeing any remaining Perl interpreters.
2746
2747=cut
2748 */
2749
cbec8ebe
DM		 2750#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2751#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2752#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2753
be708cc0
JH		 2754#ifndef PERL_WRITE_MSG_TO_CONSOLE
2755# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2756#endif
2757
0f31cffe
GS		 2758#ifndef MAXPATHLEN
2759# ifdef PATH_MAX
b990c8b2
JH		 2760# ifdef _POSIX_PATH_MAX
2761# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2762/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2763 * included the null byte or not. Later amendments of POSIX,
2764 * XPG4, the Austin Group, and the Single UNIX Specification
2765 * all explicitly include the null byte in the PATH_MAX.
2766 * Ditto for _POSIX_PATH_MAX. */
2767# define MAXPATHLEN PATH_MAX
b990c8b2 2768# else
09448d78 2769# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2770# endif
2771# else
2772# define MAXPATHLEN (PATH_MAX+1)
2773# endif
0f31cffe 2774# else
b990c8b2 2775# ifdef _POSIX_PATH_MAX
09448d78 2776# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2777# else
2778# define MAXPATHLEN 1024 /* Err on the large side. */
2779# endif
0f31cffe
GS		 2780# endif
2781#endif
2782
c80263a8
SH		 2783/* In case Configure was not used (we are using a "canned config"
2784 * such as Win32, or a cross-compilation setup, for example) try going
2785 * by the gcc major and minor versions. One useful URL is
2786 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2787 * but contrary to this information warn_unused_result seems
2788 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2789 * Also, when building extensions with an installed perl, this allows
2790 * the user to upgrade gcc and get the right attributes, rather than
2791 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2792 * Set these up now otherwise we get confused when some of the <*thread.h>
2793 * includes below indirectly pull in <perlio.h> (which needs to know if we
2794 * have HASATTRIBUTE_FORMAT).
2795 */
2796
4d7c7898 2797#ifndef PERL_MICRO
fc2007d4 2798#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2799# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2800# define HASATTRIBUTE_DEPRECATED
2801# endif
c80263a8
SH		 2802# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2803# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2804# if defined __MINGW32__
2805# define PRINTF_FORMAT_NULL_OK
2806# endif
c80263a8
SH		 2807# endif
2808# if __GNUC__ >= 3 /* 3.0 -> */
2809# define HASATTRIBUTE_MALLOC
2810# endif
2811# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2812# define HASATTRIBUTE_NONNULL
2813# endif
2814# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2815# define HASATTRIBUTE_NORETURN
2816# endif
2817# if __GNUC__ >= 3 /* gcc 3.0 -> */
2818# define HASATTRIBUTE_PURE
2819# endif
42bf5550 2820# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2821# define HASATTRIBUTE_UNUSED
2822# endif
d324fe49
AD		 2823# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2824# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2825# endif
c80263a8
SH		 2826# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2827# define HASATTRIBUTE_WARN_UNUSED_RESULT
2828# endif
2829#endif
00f254e2 2830#endif /* #ifndef PERL_MICRO */
c80263a8 2831
3db8f154 2832/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2833 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2834 * this results in many functions being undeclared which bothers C++
2835 * May make sense to have threads after "*ish.h" anyway
2836 */
2837
3db8f154 2838#if defined(USE_ITHREADS)
2986a63f
JH		 2839# ifdef NETWARE
2840# include <nw5thread.h>
2841# else
32f822de
GS		 2842# ifdef FAKE_THREADS
2843# include "fakethr.h"
2844# else
2845# ifdef WIN32
2846# include <win32thread.h>
2847# else
dd96f567
IZ		 2848# ifdef OS2
2849# include "os2thread.h"
2850# else
7f3d1cf1 2851# ifdef I_MACH_CTHREADS
bdd66968 2852# include <mach/cthreads.h>
8f1f23e8 2853# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2854# define MUTEX_INIT_CALLS_MALLOC
2855# endif
7f3d1cf1
BH		 2856typedef cthread_t perl_os_thread;
2857typedef mutex_t perl_mutex;
2858typedef condition_t perl_cond;
2859typedef void * perl_key;
2860# else /* Posix threads */
1f5ae88c
JH		 2861# ifdef I_PTHREAD
2862# include <pthread.h>
2863# endif
7f3d1cf1
BH		 2864typedef pthread_t perl_os_thread;
2865typedef pthread_mutex_t perl_mutex;
2866typedef pthread_cond_t perl_cond;
2867typedef pthread_key_t perl_key;
2868# endif /* I_MACH_CTHREADS */
dd96f567 2869# endif /* OS2 */
32f822de
GS		 2870# endif /* WIN32 */
2871# endif /* FAKE_THREADS */
2986a63f 2872#endif /* NETWARE */
3db8f154 2873#endif /* USE_ITHREADS */
c5be433b 2874
66a93824 2875#if defined(WIN32)
1feb2720 2876# include "win32.h"
c5be433b
GS		 2877#endif
2878
2986a63f
JH		 2879#ifdef NETWARE
2880# include "netware.h"
2881#endif
2882
e5218da5 2883#define STATUS_UNIX PL_statusvalue
68dc0745 2884#ifdef VMS
6b88bc9c 2885# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2886/*
2887 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2888 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2889 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2890 * be updated also.
2891 */
2892# include <stsdef.h>
2893# include <ssdef.h>
2894/* Presume this because if VMS changes it, it will require a new
2895 * set of APIs for waiting on children for binary compatibility.
2896 */
2897# define child_offset_bits (8)
2898# ifndef C_FAC_POSIX
2899# define C_FAC_POSIX 0x35A000
2900# endif
2901
2902/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2903 * platform from the existing UNIX or Native status values.
2904 */
2905
37038d91 2906# define STATUS_EXIT \
7a7fd8e0
JM		 2907 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2908 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2909
7a7fd8e0 2910
fb38d079
JM		 2911/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2912 * exit code and shifts the UNIX value over the correct number of bits to
2913 * be a child status. Usually the number of bits is 8, but that could be
2914 * platform dependent. The NATIVE status code is presumed to have either
2915 * from a child process.
7a7fd8e0
JM		 2916 */
2917
fb38d079
JM		 2918/* This is complicated. The child processes return a true native VMS
2919 status which must be saved. But there is an assumption in Perl that
2920 the UNIX child status has some relationship to errno values, so
00f254e2 2921 Perl tries to translate it to text in some of the tests.
fb38d079
JM		 2922 In order to get the string translation correct, for the error, errno
2923 must be EVMSERR, but that generates a different text message
2924 than what the test programs are expecting. So an errno value must
2925 be derived from the native status value when an error occurs.
2926 That will hide the true native status message. With this version of
2927 perl, the true native child status can always be retrieved so that
2928 is not a problem. But in this case, Pl_statusvalue and errno may
2929 have different values in them.
2930 */
7a7fd8e0 2931
fb38d079 2932# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2933 STMT_START { \
2fbb330f
JM		 2934 I32 evalue = (I32)n; \
2935 if (evalue == EVMSERR) { \
2936 PL_statusvalue_vms = vaxc$errno; \
2937 PL_statusvalue = evalue; \
7a7fd8e0 2938 } else { \
2fbb330f 2939 PL_statusvalue_vms = evalue; \
fb38d079 2940 if (evalue == -1) { \
3280af22 2941 PL_statusvalue = -1; \
7a7fd8e0
JM		 2942 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2943 } else \
fb38d079 2944 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2945 set_vaxc_errno(evalue); \
fb38d079
JM		 2946 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2947 set_errno(EVMSERR); \
2948 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2949 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2950 } \
68dc0745 2951 } STMT_END
7a7fd8e0 2952
68dc0745 2953# ifdef VMSISH_STATUS
e5218da5 2954# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2955# else
e5218da5 2956# define STATUS_CURRENT STATUS_UNIX
68dc0745 2957# endif
7a7fd8e0
JM		 2958
2959 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2960 * the NATIVE status to an equivalent value. Can not be used to translate
2961 * exit code values as exit code values are not guaranteed to have any
2962 * relationship at all to errno values.
2963 * This is used when Perl is forcing errno to have a specific value.
2964 */
e5218da5 2965# define STATUS_UNIX_SET(n) \
68dc0745 2966 STMT_START { \
7a7fd8e0 2967 I32 evalue = (I32)n; \
0968cdad 2968 PL_statusvalue = evalue; \
3280af22 2969 if (PL_statusvalue != -1) { \
0968cdad
JM		 2970 if (PL_statusvalue != EVMSERR) { \
2971 PL_statusvalue &= 0xFFFF; \
2972 if (MY_POSIX_EXIT) \
2973 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2974 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2975 } \
2976 else { \
2977 PL_statusvalue_vms = vaxc$errno; \
2978 } \
68dc0745 2979 } \
0968cdad
JM		 2980 else PL_statusvalue_vms = SS$_ABORT; \
2981 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2982 } STMT_END
2983
2984 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 2985 * the NATIVE error status based on it.
2986 *
2987 * When in the default mode to comply with the Perl VMS documentation,
2988 * 0 is a success and any other code sets the NATIVE status to a failure
2989 * code of SS$_ABORT.
fb38d079
JM		 2990 *
2991 * In the new POSIX EXIT mode, native status will be set so that the
2992 * actual exit code will can be retrieved by the calling program or
2993 * shell.
2994 *
2995 * If the exit code is not clearly a UNIX parent or child exit status,
2996 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2997 */
2998
fb38d079 2999# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 3000 STMT_START { \
3001 I32 evalue = (I32)n; \
3002 PL_statusvalue = evalue; \
e08e1e1d
JM		 3003 if (MY_POSIX_EXIT) { \
3004 if (evalue <= 0xFF00) { \
3005 if (evalue > 0xFF) \
3006 evalue = (evalue >> child_offset_bits) & 0xFF; \
3007 PL_statusvalue_vms = \
3008 (C_FAC_POSIX | (evalue << 3 ) | \
3009 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
3010 } else /* forgive them Perl, for they have sinned */ \
3011 PL_statusvalue_vms = evalue; \
3012 } else { \
3013 if (evalue == 0) \
3014 PL_statusvalue_vms = SS$_NORMAL; \
3015 else if (evalue <= 0xFF00) \
3016 PL_statusvalue_vms = SS$_ABORT; \
3017 else { /* forgive them Perl, for they have sinned */ \
3018 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3019 else PL_statusvalue_vms = vaxc$errno; \
3020 /* And obviously used a VMS status value instead of UNIX */ \
3021 PL_statusvalue = EVMSERR; \
3022 } \
3023 set_vaxc_errno(PL_statusvalue_vms); \
3024 } \
68dc0745 3025 } STMT_END
fb38d079 3026
e08e1e1d 3027
6ac6a52b
JM		 3028 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3029 * and sets the NATIVE error status based on it. This special case
3030 * is needed to maintain compatibility with past VMS behavior.
3031 *
3032 * In the default mode on VMS, this number is passed through as
3033 * both the NATIVE and UNIX status. Which makes it different
3034 * that the STATUS_UNIX_EXIT_SET.
3035 *
3036 * In the new POSIX EXIT mode, native status will be set so that the
3037 * actual exit code will can be retrieved by the calling program or
3038 * shell.
3039 *
1a3aec58
JM		 3040 * A POSIX exit code is from 0 to 255. If the exit code is higher
3041 * than this, it needs to be assumed that it is a VMS exit code and
3042 * passed through.
6ac6a52b
JM		 3043 */
3044
3045# define STATUS_EXIT_SET(n) \
3046 STMT_START { \
3047 I32 evalue = (I32)n; \
3048 PL_statusvalue = evalue; \
3049 if (MY_POSIX_EXIT) \
1a3aec58
JM		 3050 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3051 PL_statusvalue_vms = \
3052 (C_FAC_POSIX | (evalue << 3 ) | \
3053 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 3054 else \
3055 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3056 set_vaxc_errno(PL_statusvalue_vms); \
3057 } STMT_END
3058
fb38d079
JM		 3059
3060 /* This macro forces a success status */
7a7fd8e0
JM		 3061# define STATUS_ALL_SUCCESS \
3062 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 3063
3064 /* This macro forces a failure status */
7a7fd8e0
JM		 3065# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3066 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3067 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3068
68dc0745 3069#else
e5218da5 3070# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3071# if defined(WCOREDUMP)
37038d91 3072# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3073 STMT_START { \
3074 PL_statusvalue_posix = (n); \
3075 if (PL_statusvalue_posix == -1) \
3076 PL_statusvalue = -1; \
3077 else { \
3078 PL_statusvalue = \
3079 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3080 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3081 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3082 } \
3083 } STMT_END
3084# elif defined(WIFEXITED)
37038d91 3085# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3086 STMT_START { \
3087 PL_statusvalue_posix = (n); \
3088 if (PL_statusvalue_posix == -1) \
3089 PL_statusvalue = -1; \
3090 else { \
3091 PL_statusvalue = \
3092 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3093 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3094 } \
3095 } STMT_END
3096# else
37038d91 3097# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3098 STMT_START { \
3099 PL_statusvalue_posix = (n); \
3100 if (PL_statusvalue_posix == -1) \
3101 PL_statusvalue = -1; \
3102 else { \
3103 PL_statusvalue = \
3104 PL_statusvalue_posix & 0xFFFF; \
3105 } \
3106 } STMT_END
3107# endif
3108# define STATUS_UNIX_SET(n) \
68dc0745 3109 STMT_START { \
3280af22
NIS		 3110 PL_statusvalue = (n); \
3111 if (PL_statusvalue != -1) \
3112 PL_statusvalue &= 0xFFFF; \
68dc0745 3113 } STMT_END
7a7fd8e0 3114# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3115# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3116# define STATUS_CURRENT STATUS_UNIX
37038d91 3117# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3118# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3119# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3120#endif
3121
cc3604b1
GS		 3122/* flags in PL_exit_flags for nature of exit() */
3123#define PERL_EXIT_EXPECTED 0x01
31d77e54 3124#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3125
0b94c7bb 3126#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 3127# define MEMBER_TO_FPTR(name) name
3128#endif
3129
b79b76e0 3130#ifndef PERL_CORE
a7cb1f99 3131/* format to use for version numbers in file/directory names */
273cf8d1 3132/* XXX move to Configure? */
b79b76e0
NC		 3133/* This was only ever used for the current version, and that can be done at
3134 compile time, as PERL_FS_VERSION, so should we just delete it? */
3135# ifndef PERL_FS_VER_FMT
3136# define PERL_FS_VER_FMT "%d.%d.%d"
3137# endif
3138#endif
3139
3140#ifndef PERL_FS_VERSION
3141# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS		 3142#endif
3143
45bc9206 3144/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3145 * performance issue, so we allow people to disable it. Also, if
3146 * we are using stdio, there are broken implementations of fflush(NULL)
3147 * out there, Solaris being the most prominent.
45bc9206
GS		 3148 */
3149#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3150# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3151# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3152# else
3153# ifdef FFLUSH_ALL
3154# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3155# else
c5be433b 3156# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3157# endif
66fe083f 3158# endif
45bc9206
GS		 3159#endif
3160
7766f137
GS		 3161#ifndef PERL_WAIT_FOR_CHILDREN
3162# define PERL_WAIT_FOR_CHILDREN NOOP
3163#endif
3164
ba869deb 3165/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3166#ifndef PERL_SET_INTERP
3167# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3168#endif
3169
3170#ifndef PERL_GET_INTERP
3171# define PERL_GET_INTERP (PL_curinterp)
3172#endif
3173
54aff467 3174#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3175# ifdef MULTIPLICITY
ba869deb 3176# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3177# endif
ba869deb
GS		 3178# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3179#endif
3180
00f254e2 3181/*
8896765a 3182 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3183 All that is required is that the perl source does not
00f254e2
KW		 3184 use "%-p" or "%-<number>p" or "%<number>p" formats.
3185 These formats will still work in perl code.
8896765a
RB		 3186 See comments in sv.c for futher details.
3187
8896765a 3188 Robin Barker 2005-07-14
f46d31f2 3189
00f254e2 3190 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3191*/
8896765a
RB		 3192
3193#ifndef SVf_
63ce7bf0 3194# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3195#endif
3196
8896765a 3197#ifndef SVf
104abab4 3198# define SVf "-p"
d2560b70
RB		 3199#endif
3200
014ead4b 3201#ifndef SVf32
8896765a 3202# define SVf32 SVf_(32)
014ead4b
RB		 3203#endif
3204
3205#ifndef SVf256
8896765a
RB		 3206# define SVf256 SVf_(256)
3207#endif
3208
be2597df
MHM		 3209#define SVfARG(p) ((void*)(p))
3210
f46d31f2 3211#ifdef PERL_CORE
00f254e2 3212/* not used; but needed for backward compatibilty 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
00f254e2 3221/* not used; but needed for backward compatibilty with XS code? - RMB */
7776bb98
RB		 3222# undef UVf
3223#else
170cd9e9
NC		 3224# ifndef UVf
3225# define UVf UVuf
3226# endif
d2560b70
RB		 3227#endif
3228
fcdf39cf
RGS		 3229#ifdef HASATTRIBUTE_DEPRECATED
3230# define __attribute__deprecated__ __attribute__((deprecated))
3231#endif
0dbb1585
AL		 3232#ifdef HASATTRIBUTE_FORMAT
3233# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3234#endif
3235#ifdef HASATTRIBUTE_MALLOC
77785eea 3236# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3237#endif
0dbb1585 3238#ifdef HASATTRIBUTE_NONNULL
abb2c242 3239# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3240#endif
0dbb1585 3241#ifdef HASATTRIBUTE_NORETURN
abb2c242 3242# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3243#endif
0dbb1585 3244#ifdef HASATTRIBUTE_PURE
abb2c242 3245# define __attribute__pure__ __attribute__((pure))
f22be1b8 3246#endif
0dbb1585
AL		 3247#ifdef HASATTRIBUTE_UNUSED
3248# define __attribute__unused__ __attribute__((unused))
3249#endif
3250#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3251# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3252#endif
3253
0dbb1585 3254/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3255#ifndef __attribute__deprecated__
3256# define __attribute__deprecated__
3257#endif
0dbb1585
AL		 3258#ifndef __attribute__format__
3259# define __attribute__format__(x,y,z)
3260#endif
f22be1b8 3261#ifndef __attribute__malloc__
abb2c242 3262# define __attribute__malloc__
f22be1b8
JH		 3263#endif
3264#ifndef __attribute__nonnull__
abb2c242 3265# define __attribute__nonnull__(a)
f22be1b8
JH		 3266#endif
3267#ifndef __attribute__noreturn__
abb2c242 3268# define __attribute__noreturn__
f22be1b8
JH		 3269#endif
3270#ifndef __attribute__pure__
abb2c242 3271# define __attribute__pure__
f22be1b8 3272#endif
0dbb1585
AL		 3273#ifndef __attribute__unused__
3274# define __attribute__unused__
3275#endif
f22be1b8 3276#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3277# define __attribute__warn_unused_result__
3278#endif
3279
0dbb1585
AL		 3280/* For functions that are marked as __attribute__noreturn__, it's not
3281 appropriate to call return. In either case, include the lint directive.
3282 */
3283#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3284# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3285#else
b37c2d43 3286# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH		 3287#endif
3288
cdfeb707
RB		 3289/* Some OS warn on NULL format to printf */
3290#ifdef PRINTF_FORMAT_NULL_OK
3291# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3292#else
00f254e2 3293# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB		 3294#endif
3295
635aebb7 3296#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3297# define EXPECT(expr,val) __builtin_expect(expr,val)
3298#else
3299# define EXPECT(expr,val) (expr)
3300#endif
3301#define LIKELY(cond) EXPECT(cond,1)
3302#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3303#ifdef HAS_BUILTIN_CHOOSE_EXPR
3304/* placeholder */
3305#endif
b37c2d43 3306
3fc1aec6 3307/* Some unistd.h's give a prototype for pause() even though
3308 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3309 below to be rejected by the compiler. Sigh.
3fc1aec6 3310*/
3311#ifdef HAS_PAUSE
3312#define Pause pause
3313#else
3314#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3315#endif
3316
3317#ifndef IOCPARM_LEN
3318# ifdef IOCPARM_MASK
61f1c44b 3319 /* on BSDish systems we're safe */
748a9306
LW		 3320# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3321# else
61f1c44b 3322# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3323 /* on Linux systems we're safe; except when we're not [perl #38223] */
3324# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3325# else
748a9306 3326 /* otherwise guess at what's safe */
61f1c44b
JVD		 3327# define IOCPARM_LEN(x) 256
3328# endif
748a9306 3329# endif
a0d0e21e
LW		 3330#endif
3331
1761cee5 3332#if defined(__CYGWIN__)
521e0776
GS		 3333/* USEMYBINMODE
3334 * This symbol, if defined, indicates that the program should
16fe6d59 3335 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3336 * that a file is in "binary" mode -- that is, that no translation
3337 * of bytes occurs on read or write operations.
3338 */
36894f0b 3339# define USEMYBINMODE /**/
77a40698 3340# include <io.h> /* for setmode() prototype */
16fe6d59 3341# define my_binmode(fp, iotype, mode) \
77a40698 3342 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3343#endif
3344
88d10794
JH		 3345#ifdef __CYGWIN__
3346void init_os_extras(void);
3347#endif
3348
cea2e8a9
GS		 3349#ifdef UNION_ANY_DEFINITION
3350UNION_ANY_DEFINITION;
3351#else
3352union any {
3353 void* any_ptr;
3354 I32 any_i32;
3355 IV any_iv;
c6bf6a65 3356 UV any_uv;
cea2e8a9 3357 long any_long;
9febdf04 3358 bool any_bool;
c76ac1ee 3359 void (*any_dptr) (void*);
acfe0abc 3360 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3361};
3362#endif
3363
acfe0abc 3364typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3365
3366#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3367#define FILTER_DATA(idx) \
3368 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3369#define FILTER_ISREADER(idx) \
3370 (PL_parser && PL_parser->rsfp_filters \
3371 && idx >= AvFILLp(PL_parser->rsfp_filters))
3372#define PERL_FILTER_EXISTS(i) \
3373 (PL_parser && PL_parser->rsfp_filters \
3374 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3375
c5078cac
JH		 3376#if defined(_AIX) && !defined(_AIX43)
3377#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3378/* We cannot include <crypt.h> to get the struct crypt_data
3379 * because of setkey prototype problems when threading */
3380typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3381 /* From OSF, Not needed in AIX
3382 char C[28], D[28];
3383 */
3384 char E[48];
3385 char KS[16][48];
3386 char block[66];
3387 char iobuf[16];
3388} CRYPTD;
3389#endif /* threading */
3390#endif /* AIX */
3391
e37778c2 3392#if !defined(OS2)
2c2d71f5
JH		 3393# include "iperlsys.h"
3394#endif
504f80c1 3395
9c12f1e5 3396#ifdef __LIBCATAMOUNT__
00f254e2 3397#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS		 3398#undef HAS_GROUP
3399#define FAKE_BIT_BUCKET
3400#endif
3401
d10dc2ae
JH		 3402/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3403 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3404 * defined by Configure, despite their names being similar to the
3405 * other defines like USE_ITHREADS. Configure in fact knows nothing
3406 * about the randomised hashes. Therefore to enable/disable the hash
3407 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3408#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3409# define USE_HASH_SEED
504f80c1
JH		 3410#endif
3411
598921a7
NC		 3412/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3413 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3414 * it's not really needed.
3415 */
3416#if defined(WIN32)
3417# define YYTOKENTYPE
3418#endif
3419#include "perly.h"
3420
3421#ifdef PERL_MAD
3422struct nexttoken {
3423 YYSTYPE next_val; /* value of next token, if any */
3424 I32 next_type; /* type of next token */
3425 MADPROP *next_mad; /* everything else about that token */
3426};
3427#endif
3428
654eccd5
JD		 3429/* macros to define bit-fields in structs. */
3430#ifndef PERL_BITFIELD8
3431# define PERL_BITFIELD8 unsigned
3432#endif
3433#ifndef PERL_BITFIELD16
3434# define PERL_BITFIELD16 unsigned
3435#endif
3436#ifndef PERL_BITFIELD32
3437# define PERL_BITFIELD32 unsigned
3438#endif
3439
79072805 3440#include "sv.h"
288b8c02 3441#include "regexp.h"
378cc40b 3442#include "util.h"
8d063cd8 3443#include "form.h"
79072805 3444#include "gv.h"
dd2155a4 3445#include "pad.h"
79072805 3446#include "cv.h"
abdd5c84 3447#include "opnames.h"
79072805 3448#include "op.h"
b3ca2e83 3449#include "hv.h"
79072805
LW		 3450#include "cop.h"
3451#include "av.h"
79072805
LW		 3452#include "mg.h"
3453#include "scope.h"
4438c4b7 3454#include "warnings.h"
a0ed51b3 3455#include "utf8.h"
8d063cd8 3456
0d7d409d
DM		 3457/* these would be in doio.h if there was such a file */
3458#define my_stat() my_stat_flags(SV_GMAGIC)
3459#define my_lstat() my_lstat_flags(SV_GMAGIC)
3460
20f4945e 3461/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM		 3462#undef _XPV_HEAD
3463#undef _XPVMG_HEAD
3464#undef _XPVCV_COMMON
7fae4e64
GS		 3465
3466typedef struct _sublex_info SUBLEXINFO;
3467struct _sublex_info {
651b5b28
NC		 3468 U8 super_state; /* lexer state to save */
3469 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3470 OP *sub_op; /* "lex_op" to use */
f06b5848
DM		 3471 char *super_bufptr; /* PL_parser->bufptr that was */
3472 char *super_bufend; /* PL_parser->bufend that was */
7fae4e64
GS		 3473};
3474
199e78b7
DM		 3475#include "parser.h"
3476
455ece5e 3477typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3478
2c2d71f5 3479struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3480struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3481
5f7fde29
GS		 3482struct ptr_tbl_ent {
3483 struct ptr_tbl_ent* next;
53c1dcc0 3484 const void* oldval;
5f7fde29 3485 void* newval;
d18c6117
GS		 3486};
3487
5f7fde29
GS		 3488struct ptr_tbl {
3489 struct ptr_tbl_ent** tbl_ary;
3490 UV tbl_max;
3491 UV tbl_items;
db93c0c4
NC		 3492 struct ptr_tbl_arena *tbl_arena;
3493 struct ptr_tbl_ent *tbl_arena_next;
3494 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS		 3495};
3496
450a55e4 3497#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3498# define I286
3499#endif
3500
fe14fcc3
LW		 3501#if defined(htonl) && !defined(HAS_HTONL)
3502#define HAS_HTONL
ae986130 3503#endif
fe14fcc3
LW		 3504#if defined(htons) && !defined(HAS_HTONS)
3505#define HAS_HTONS
ae986130 3506#endif
fe14fcc3
LW		 3507#if defined(ntohl) && !defined(HAS_NTOHL)
3508#define HAS_NTOHL
ae986130 3509#endif
fe14fcc3
LW		 3510#if defined(ntohs) && !defined(HAS_NTOHS)
3511#define HAS_NTOHS
ae986130 3512#endif
fe14fcc3 3513#ifndef HAS_HTONL
d9d8d8de 3514#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3515#define HAS_HTONS
3516#define HAS_HTONL
3517#define HAS_NTOHS
3518#define HAS_NTOHL
a687059c
LW		 3519#define MYSWAP
3520#define htons my_swap
3521#define htonl my_htonl
3522#define ntohs my_swap
3523#define ntohl my_ntohl
3524#endif
3525#else
d9d8d8de 3526#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3527#undef HAS_HTONS
3528#undef HAS_HTONL
3529#undef HAS_NTOHS
3530#undef HAS_NTOHL
a687059c
LW		 3531#endif
3532#endif
3533
988174c1
LW		 3534/*
3535 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3536 * -DWS
3537 */
3538#if BYTEORDER != 0x1234
3539# define HAS_VTOHL
3540# define HAS_VTOHS
3541# define HAS_HTOVL
3542# define HAS_HTOVS
c67712b2 3543# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3544# define vtohl(x) ((((x)&0xFF)<<24) \
3545 +(((x)>>24)&0xFF) \
3546 +(((x)&0x0000FF00)<<8) \
3547 +(((x)&0x00FF0000)>>8) )
3548# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3549# define htovl(x) vtohl(x)
3550# define htovs(x) vtohs(x)
3551# endif
3552 /* otherwise default to functions in util.c */
2a8c3029 3553#ifndef htovs
c623ac67
GS		 3554short htovs(short n);
3555short vtohs(short n);
3556long htovl(long n);
3557long vtohl(long n);
988174c1 3558#endif
2a8c3029 3559#endif
988174c1 3560
3bb7c1b4
JH		 3561/* *MAX Plus 1. A floating point value.
3562 Hopefully expressed in a way that dodgy floating point can't mess up.
3563 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3564 is added to it
3565 May find that some broken compiler will want the value cast to I32.
3566 [after the shift, as signed >> may not be as secure as unsigned >>]
3567*/
3568#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3569#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3570/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3571 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3572 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3573*/
3574#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3575
3bb7c1b4
JH		 3576#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3577#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3578#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3579
3580/* This may look like unnecessary jumping through hoops, but converting
3581 out of range floating point values to integers *is* undefined behaviour,
3582 and it is starting to bite.
3583*/
3584#ifndef CAST_INLINE
65202027 3585#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3586#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3587#define I_V(what) (cast_iv((NV)(what)))
3588#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3589#else
3590#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3591 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3592 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3593#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3594 : ((n) < U32_MAX_P1 ? (U32) (n) \
3595 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3596#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3597 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3598 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3599#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3600 : ((n) < UV_MAX_P1 ? (UV) (n) \
3601 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3602#endif
3603
3604#define U_S(what) ((U16)U_32(what))
3605#define U_I(what) ((unsigned int)U_32(what))
3606#define U_L(what) U_32(what)
ed6116ce 3607
ed140128
AD		 3608#ifdef HAS_SIGNBIT
3609# define Perl_signbit signbit
3610#endif
3611
2d4389e4
JH		 3612/* These do not care about the fractional part, only about the range. */
3613#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3614#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3615
25da4f38
IZ		 3616/* Used with UV/IV arguments: */
3617 /* XXXX: need to speed it up */
3618#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3619#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3620
352d5a3a
LW		 3621#ifndef MAXSYSFD
3622# define MAXSYSFD 2
3623#endif
ee0007ab 3624
79072805 3625#ifndef __cplusplus
27da23d5 3626#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3627Uid_t getuid (void);
3628Uid_t geteuid (void);
3629Gid_t getgid (void);
3630Gid_t getegid (void);
79072805 3631#endif
e1caacb4 3632#endif
8d063cd8 3633
0c30d9ec 3634#ifndef Perl_debug_log
bf49b057
GS		 3635# define Perl_debug_log PerlIO_stderr()
3636#endif
3637
3638#ifndef Perl_error_log
3639# define Perl_error_log (PL_stderrgv \
6b78add2 3640 && isGV(PL_stderrgv) \
01bb7c6d 3641 && GvIOp(PL_stderrgv) \
42de951c 3642 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3643 ? IoOFP(GvIOp(PL_stderrgv)) \
3644 : PerlIO_stderr())
0c30d9ec 3645#endif
3967c732 3646
aea4f609
DM		 3647
3648#define DEBUG_p_FLAG 0x00000001 /* 1 */
3649#define DEBUG_s_FLAG 0x00000002 /* 2 */
3650#define DEBUG_l_FLAG 0x00000004 /* 4 */
3651#define DEBUG_t_FLAG 0x00000008 /* 8 */
3652#define DEBUG_o_FLAG 0x00000010 /* 16 */
3653#define DEBUG_c_FLAG 0x00000020 /* 32 */
3654#define DEBUG_P_FLAG 0x00000040 /* 64 */
3655#define DEBUG_m_FLAG 0x00000080 /* 128 */
3656#define DEBUG_f_FLAG 0x00000100 /* 256 */
3657#define DEBUG_r_FLAG 0x00000200 /* 512 */
3658#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3659#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3660/* U is reserved for Unofficial, exploratory hacking */
3661#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3662#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3663#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3664#define DEBUG_D_FLAG 0x00008000 /* 32768 */
d2c25739 3665/* 0x00010000 is unused, used to be S */
aea4f609 3666#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3667#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3668#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3669#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3670#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3671#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3672#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 3673#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3674#define DEBUG_B_FLAG 0x02000000 /*33554432*/
3675#define DEBUG_MASK 0x03FEEFFF /* mask of all the standard flags */
aea4f609
DM		 3676
3677#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3678#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3679 that something was done? */
aea4f609 3680
bd16a5f0
IZ		 3681# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3682# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3683# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3684# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3685# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3686# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3687# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3688# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3689# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3690# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3691# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3692# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3693# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3694# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3695# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3696# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
bd16a5f0
IZ		 3697# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3698# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3699# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3700# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3701# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3702# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3703# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3704# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3705# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3706# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3707# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3708
3967c732 3709#ifdef DEBUGGING
aea4f609 3710
bd16a5f0
IZ		 3711# define DEBUG_p_TEST DEBUG_p_TEST_
3712# define DEBUG_s_TEST DEBUG_s_TEST_
3713# define DEBUG_l_TEST DEBUG_l_TEST_
3714# define DEBUG_t_TEST DEBUG_t_TEST_
3715# define DEBUG_o_TEST DEBUG_o_TEST_
3716# define DEBUG_c_TEST DEBUG_c_TEST_
3717# define DEBUG_P_TEST DEBUG_P_TEST_
3718# define DEBUG_m_TEST DEBUG_m_TEST_
3719# define DEBUG_f_TEST DEBUG_f_TEST_
3720# define DEBUG_r_TEST DEBUG_r_TEST_
3721# define DEBUG_x_TEST DEBUG_x_TEST_
3722# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3723# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3724# define DEBUG_H_TEST DEBUG_H_TEST_
3725# define DEBUG_X_TEST DEBUG_X_TEST_
3726# define DEBUG_D_TEST DEBUG_D_TEST_
bd16a5f0
IZ		 3727# define DEBUG_T_TEST DEBUG_T_TEST_
3728# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3729# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3730# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3731# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3732# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3733# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3734# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3735# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC		 3736# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3737# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
aea4f609 3738
488b0c7a
JH		 3739# define PERL_DEB(a) a
3740# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3741# define DEBUG_p(a) if (DEBUG_p_TEST) a
3742# define DEBUG_s(a) if (DEBUG_s_TEST) a
3743# define DEBUG_l(a) if (DEBUG_l_TEST) a
3744# define DEBUG_t(a) if (DEBUG_t_TEST) a
3745# define DEBUG_o(a) if (DEBUG_o_TEST) a
3746# define DEBUG_c(a) if (DEBUG_c_TEST) a
3747# define DEBUG_P(a) if (DEBUG_P_TEST) a
3748
969058bb
VK		 3749 /* Temporarily turn off memory debugging in case the a
3750 * does memory allocation, either directly or indirectly. */
acfe0abc 3751# define DEBUG_m(a) \
0b250b9e 3752 STMT_START { \
aea4f609 3753 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3754 } STMT_END
aea4f609 3755
5f80b19c
AMS		 3756# define DEBUG__(t, a) \
3757 STMT_START { \
3758 if (t) STMT_START {a;} STMT_END; \
3759 } STMT_END
3760
3761# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3762#ifndef PERL_EXT_RE_BUILD
5f80b19c 3763# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3764#else
3765# define DEBUG_r(a) STMT_START {a;} STMT_END
3766#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3767# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3768# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3769# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3770# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3771# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3772# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3773# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3774# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
aea4f609 3775
5f80b19c
AMS		 3776# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3777# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3778# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3779# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3780# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3781# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3782# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3783# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM		 3784
3785#else /* DEBUGGING */
3786
3787# define DEBUG_p_TEST (0)
3788# define DEBUG_s_TEST (0)
3789# define DEBUG_l_TEST (0)
3790# define DEBUG_t_TEST (0)
3791# define DEBUG_o_TEST (0)
3792# define DEBUG_c_TEST (0)
3793# define DEBUG_P_TEST (0)
3794# define DEBUG_m_TEST (0)
3795# define DEBUG_f_TEST (0)
3796# define DEBUG_r_TEST (0)
3797# define DEBUG_x_TEST (0)
3798# define DEBUG_u_TEST (0)
88d2d28a 3799# define DEBUG_U_TEST (0)
aea4f609
DM		 3800# define DEBUG_H_TEST (0)
3801# define DEBUG_X_TEST (0)
3802# define DEBUG_D_TEST (0)
aea4f609 3803# define DEBUG_T_TEST (0)
04932ac8 3804# define DEBUG_R_TEST (0)
1045810a 3805# define DEBUG_J_TEST (0)
d6721266 3806# define DEBUG_v_TEST (0)
46187eeb 3807# define DEBUG_C_TEST (0)
ecae49c0
NC		 3808# define DEBUG_A_TEST (0)
3809# define DEBUG_q_TEST (0)
d7c0d282 3810# define DEBUG_M_TEST (0)
cc8773c0 3811# define DEBUG_B_TEST (0)
7949c6f5
JC		 3812# define DEBUG_Xv_TEST (0)
3813# define DEBUG_Uv_TEST (0)
aea4f609 3814
488b0c7a
JH		 3815# define PERL_DEB(a)
3816# define PERL_DEBUG(a)
aea4f609
DM		 3817# define DEBUG_p(a)
3818# define DEBUG_s(a)
3819# define DEBUG_l(a)
3820# define DEBUG_t(a)
3821# define DEBUG_o(a)
3822# define DEBUG_c(a)
3823# define DEBUG_P(a)
3824# define DEBUG_m(a)
3825# define DEBUG_f(a)
3826# define DEBUG_r(a)
3827# define DEBUG_x(a)
3828# define DEBUG_u(a)
88d2d28a 3829# define DEBUG_U(a)
aea4f609
DM		 3830# define DEBUG_H(a)
3831# define DEBUG_X(a)
3832# define DEBUG_D(a)
aea4f609 3833# define DEBUG_T(a)
04932ac8 3834# define DEBUG_R(a)
d6721266 3835# define DEBUG_v(a)
46187eeb 3836# define DEBUG_C(a)
ecae49c0
NC		 3837# define DEBUG_A(a)
3838# define DEBUG_q(a)
d7c0d282 3839# define DEBUG_M(a)
cc8773c0 3840# define DEBUG_B(a)
7949c6f5
JC		 3841# define DEBUG_Xv(a)
3842# define DEBUG_Uv(a)
aea4f609
DM		 3843#endif /* DEBUGGING */
3844
3845
b4ab917c 3846#define DEBUG_SCOPE(where) \
d9f81b50 3847 DEBUG_l( \
1c98cc53
DM		 3848 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
3849 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
d9f81b50 3850 __FILE__, __LINE__));
b4ab917c
DM		 3851
3852
3853
3854
d1be9408 3855/* These constants should be used in preference to raw characters
14befaf4
DM		 3856 * when using magic. Note that some perl guts still assume
3857 * certain character properties of these constants, namely that
3858 * isUPPER() and toLOWER() may do useful mappings.
3859 *
3860 * Update the magic_names table in dump.c when adding/amending these
3861 */
3862
3863#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3864#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3865#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3866#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3867#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3868#define PERL_MAGIC_regdata 'D' /* Regex match position data
3869 (@+ and @- vars) */
3870#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3871#define PERL_MAGIC_env 'E' /* %ENV hash */
3872#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3873#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3874#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
b3ca2e83
NC		 3875#define PERL_MAGIC_hints 'H' /* %^H hash */
3876#define PERL_MAGIC_hintselem 'h' /* %^H hash element */
14befaf4
DM		 3877#define PERL_MAGIC_isa 'I' /* @ISA array */
3878#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3879#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3880#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3881#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3882#define PERL_MAGIC_shared 'N' /* Shared between threads */
3883#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3884#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3885#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3886#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3887#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3888#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3889#define PERL_MAGIC_sig 'S' /* %SIG hash */
3890#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3891#define PERL_MAGIC_taint 't' /* Taintedness */
3892#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3893#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3894#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3895#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3896#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3897#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3898#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3899 smart parameter vivification */
14befaf4
DM		 3900#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3901#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3902#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3903#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3904#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3905#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM		 3906#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3907
de84dc04
NC		 3908#if defined(DEBUGGING) && defined(I_ASSERT)
3909# include <assert.h>
3910#endif
3911
3912/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3913 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3914
de84dc04 3915#define Perl_assert(what) PERL_DEB( \
2b057284 3916 ((what) ? ((void) 0) : \
67eb4d30 3917 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3918 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3919 (void) 0)))
de84dc04
NC		 3920
3921#ifndef assert
3922# define assert(what) Perl_assert(what)
a446a88f 3923#endif
8d063cd8 3924
450a55e4 3925struct ufuncs {
24f81a43
DM		 3926 I32 (*uf_val)(pTHX_ IV, SV*);
3927 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3928 IV uf_index;
450a55e4
LW		 3929};
3930
14befaf4 3931/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3932 * XS code wanting to be backward compatible can do something
3933 * like the following:
c745e42c 3934
24f81a43 3935#ifndef PERL_MG_UFUNC
24f81a43
DM		 3936#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3937#endif
3938
3939static PERL_MG_UFUNC(foo_get, index, val)
3940{
3941 sv_setsv(val, ...);
3942 return TRUE;
3943}
3944
3945-- Doug MacEachern
3946
3947*/
3948
fc9c74e6 3949#ifndef PERL_MG_UFUNC
24f81a43 3950#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3951#endif
24f81a43 3952
fe14fcc3 3953/* Fix these up for __STDC__ */
68dc0745 3954#ifndef DONT_DECLARE_STD
20ce7b12 3955char *mktemp (char*);
37bd1396 3956#ifndef atof
20ce7b12 3957double atof (const char*);
a0d0e21e 3958#endif
37bd1396 3959#endif
79072805 3960
352d5a3a 3961#ifndef STANDARD_C
fe14fcc3 3962/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3963Time_t time();
8d063cd8 3964struct tm *gmtime(), *localtime();
092bebab 3965#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3966char *(strchr)(), *(strrchr)();
3967char *(strcpy)(), *(strcat)();
3968#else
93a17b20 3969char *strchr(), *strrchr();
378cc40b 3970char *strcpy(), *strcat();
9d116dd7 3971#endif
352d5a3a 3972#endif /* ! STANDARD_C */
8d063cd8 3973
79072805
LW		 3974
3975#ifdef I_MATH
3976# include <math.h>
3977#else
32f822de 3978START_EXTERN_C
20ce7b12
GS		 3979 double exp (double);
3980 double log (double);
3981 double log10 (double);
3982 double sqrt (double);
3983 double frexp (double,int*);
3984 double ldexp (double,int);
3985 double modf (double,double*);
3986 double sin (double);
3987 double cos (double);
3988 double atan2 (double,double);
3989 double pow (double,double);
32f822de 3990END_EXTERN_C
79072805
LW		 3991#endif
3992
aa8b85de
JH		 3993#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3994# define NV_INF LDBL_INFINITY
3995#endif
3996#if !defined(NV_INF) && defined(DBL_INFINITY)
3997# define NV_INF (NV)DBL_INFINITY
3998#endif
3999#if !defined(NV_INF) && defined(INFINITY)
4000# define NV_INF (NV)INFINITY
4001#endif
4002#if !defined(NV_INF) && defined(INF)
4003# define NV_INF (NV)INF
4004#endif
4005#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
4006# define NV_INF (NV)HUGE_VALL
4007#endif
4008#if !defined(NV_INF) && defined(HUGE_VAL)
4009# define NV_INF (NV)HUGE_VAL
4010#endif
4011
4012#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
4013# if !defined(NV_NAN) && defined(LDBL_NAN)
4014# define NV_NAN LDBL_NAN
4015# endif
4016# if !defined(NV_NAN) && defined(LDBL_QNAN)
4017# define NV_NAN LDBL_QNAN
4018# endif
4019# if !defined(NV_NAN) && defined(LDBL_SNAN)
4020# define NV_NAN LDBL_SNAN
4021# endif
4022#endif
4023#if !defined(NV_NAN) && defined(DBL_NAN)
4024# define NV_NAN (NV)DBL_NAN
4025#endif
4026#if !defined(NV_NAN) && defined(DBL_QNAN)
4027# define NV_NAN (NV)DBL_QNAN
4028#endif
4029#if !defined(NV_NAN) && defined(DBL_SNAN)
4030# define NV_NAN (NV)DBL_SNAN
4031#endif
4032#if !defined(NV_NAN) && defined(QNAN)
4033# define NV_NAN (NV)QNAN
4034#endif
4035#if !defined(NV_NAN) && defined(SNAN)
4036# define NV_NAN (NV)SNAN
4037#endif
4038#if !defined(NV_NAN) && defined(NAN)
4039# define NV_NAN (NV)NAN
4040#endif
4041
a0d0e21e 4042#ifndef __cplusplus
8f1f23e8 4043# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 4044char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 4045# else
fd8cd3a3 4046# if !defined(WIN32) && !defined(VMS)
10bc17b6 4047#ifndef crypt
20ce7b12 4048char *crypt (const char*, const char*);
10bc17b6 4049#endif
5014db98 4050# endif /* !WIN32 */
8f1f23e8 4051# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 4052# ifndef DONT_DECLARE_STD
4053# ifndef getenv
20ce7b12 4054char *getenv (const char*);
26618a56 4055# endif /* !getenv */
28ca6303 4056# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 4057# ifdef _FILE_OFFSET_BITS
28ca6303 4058# if _FILE_OFFSET_BITS == 64
20ce7b12 4059Off_t lseek (int,Off_t,int);
0fc67700
JH		 4060# endif
4061# endif
bf0c440f 4062# endif
26618a56 4063# endif /* !DONT_DECLARE_STD */
10bc17b6 4064#ifndef getlogin
20ce7b12 4065char *getlogin (void);
10bc17b6 4066#endif
26618a56 4067#endif /* !__cplusplus */
79072805 4068
7a7fd8e0
JM		 4069/* Fixme on VMS. This needs to be a run-time, not build time options */
4070/* Also rename() is affected by this */
16d20bd9 4071#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 4072#define UNLINK unlnk
083639a9 4073I32 unlnk (pTHX_ const char*);
8d063cd8 4074#else
80252599 4075#define UNLINK PerlLIO_unlink
8d063cd8 4076#endif
a687059c 4077
fa0a29af
JH		 4078/* some versions of glibc are missing the setresuid() proto */
4079#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 4080int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4081#endif
fa0a29af
JH		 4082/* some versions of glibc are missing the setresgid() proto */
4083#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 4084int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4085#endif
4086
fe14fcc3 4087#ifndef HAS_SETREUID
85e6fe83
LW		 4088# ifdef HAS_SETRESUID
4089# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4090# define HAS_SETREUID
4091# endif
a687059c 4092#endif
fe14fcc3 4093#ifndef HAS_SETREGID
85e6fe83
LW		 4094# ifdef HAS_SETRESGID
4095# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4096# define HAS_SETREGID
4097# endif
a687059c 4098#endif
ee0007ab 4099
d543acb6 4100/* Sighandler_t defined in iperlsys.h */
ff68c719 4101
4102#ifdef HAS_SIGACTION
4103typedef struct sigaction Sigsave_t;
4104#else
4105typedef Sighandler_t Sigsave_t;
4106#endif
4107
ee0007ab
LW		 4108#define SCAN_DEF 0
4109#define SCAN_TR 1
4110#define SCAN_REPL 2
79072805
LW		 4111
4112#ifdef DEBUGGING
4633a7c4 4113# ifndef register
a0d0e21e
LW		 4114# define register
4115# endif
cea2e8a9 4116# define RUNOPS_DEFAULT Perl_runops_debug
79072805 4117#else
cea2e8a9 4118# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 4119#endif
4120
6cb8cb21 4121#ifdef USE_PERLIO
0934c9d9 4122EXTERN_C void PerlIO_teardown(void);
2f44961c 4123# ifdef USE_ITHREADS
6cb8cb21
RGS		 4124# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4125# define PERLIO_TERM \
4126 STMT_START { \
d0820ef1 4127 PerlIO_teardown(); \
6cb8cb21
RGS		 4128 MUTEX_DESTROY(&PL_perlio_mutex);\
4129 } STMT_END
4130# else
4131# define PERLIO_INIT
d0820ef1 4132# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 4133# endif
6b29934b
NC		 4134#else
4135# define PERLIO_INIT
4136# define PERLIO_TERM
6cb8cb21
RGS		 4137#endif
4138
18f739ee 4139#ifdef MYMALLOC
772fe5b3 4140# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 4141# define MALLOC_INIT \
4142 STMT_START { \
4143 PL_malloc_mutex = NULL; \
4144 MUTEX_INIT(&PL_malloc_mutex); \
4145 } STMT_END
4146# define MALLOC_TERM \
4147 STMT_START { \
4148 perl_mutex tmp = PL_malloc_mutex; \
4149 PL_malloc_mutex = NULL; \
4150 MUTEX_DESTROY(&tmp); \
4151 } STMT_END
4152# else
4153# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4154# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4155# endif
18f739ee
IZ		 4156#else
4157# define MALLOC_INIT
4158# define MALLOC_TERM
4159#endif
4160
cd1541b2 4161#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 4162
4163struct perl_memory_debug_header;
cd1541b2
NC		 4164struct perl_memory_debug_header {
4165 tTHX interpreter;
4166# ifdef PERL_POISON
4167 MEM_SIZE size;
cd1541b2 4168# endif
7cb608b5
NC		 4169 struct perl_memory_debug_header *prev;
4170 struct perl_memory_debug_header *next;
cd1541b2
NC		 4171};
4172
4173# define sTHX (sizeof(struct perl_memory_debug_header) + \
4174 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4175 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4176
d8fca402
NC		 4177#else
4178# define sTHX 0
cd1541b2
NC		 4179#endif
4180
7cb608b5
NC		 4181#ifdef PERL_TRACK_MEMPOOL
4182# define INIT_TRACK_MEMPOOL(header, interp) \
4183 STMT_START { \
4184 (header).interpreter = (interp); \
4185 (header).prev = (header).next = &(header); \
4186 } STMT_END
4187# else
4188# define INIT_TRACK_MEMPOOL(header, interp)
4189#endif
4190
1cd66f7c
DD		 4191#ifdef I_MALLOCMALLOC
4192/* Needed for malloc_size(), malloc_good_size() on some systems */
4193# include <malloc/malloc.h>
4194#endif
4195
ca7c1a29
NC		 4196#ifdef MYMALLOC
4197# define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
cfe52898 4198#else
e82be400
NC		 4199# ifdef HAS_MALLOC_SIZE
4200# ifdef PERL_TRACK_MEMPOOL
cfe52898
RGS		 4201# define Perl_safesysmalloc_size(where) \
4202 (malloc_size(((char *)(where)) - sTHX) - sTHX)
e82be400
NC		 4203# else
4204# define Perl_safesysmalloc_size(where) malloc_size(where)
4205# endif
4206# endif
4207# ifdef HAS_MALLOC_GOOD_SIZE
4208# ifdef PERL_TRACK_MEMPOOL
d8fca402
NC		 4209# define Perl_malloc_good_size(how_much) \
4210 (malloc_good_size((how_much) + sTHX) - sTHX)
e82be400
NC		 4211# else
4212# define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4213# endif
4214# else
d8fca402
NC		 4215/* Having this as the identity operation makes some code simpler. */
4216# define Perl_malloc_good_size(how_much) (how_much)
e82be400 4217# endif
ca7c1a29 4218#endif
b6d9d515 4219
16c91539
BM		 4220typedef int (*runops_proc_t)(pTHX);
4221typedef void (*share_proc_t) (pTHX_ SV *sv);
4222typedef int (*thrhook_proc_t) (pTHX);
4223typedef OP* (*PPADDR_t[]) (pTHX);
4224typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4225typedef void (*despatch_signals_proc_t) (pTHX);
22c35a8c 4226
940cb80d 4227/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 4228#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 4229
8f1f23e8
W		 4230/* NeXT has problems with crt0.o globals */
4231#if defined(__DYNAMIC__) && \
6239f2da 4232 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 4233# if defined(NeXT) || defined(__NeXT)
4234# include <mach-o/dyld.h>
4235# define environ (*environ_pointer)
0c30d9ec 4236EXT char *** environ_pointer;
8f1f23e8 4237# else
6239f2da 4238# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 4239# include <crt_externs.h> /* for the env array */
4240# define environ (*_NSGetEnviron())
4241# endif
0c30d9ec 4242# endif
8f1f23e8
W		 4243#else
4244 /* VMS and some other platforms don't use the environ array */
13b6e58c 4245# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 4246# if !defined(DONT_DECLARE_STD) || \
4247 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
4248 defined(__sgi) || \
d460ef45 4249 defined(__DGUX)
8f1f23e8 4250extern char ** environ; /* environment variables supplied via exec */
a6c40364 4251# endif
8f1f23e8
W		 4252# endif
4253#endif
79072805 4254
73c4f7a1
GS		 4255START_EXTERN_C
4256
79072805 4257/* handy constants */
22c35a8c 4258EXTCONST char PL_warn_uninit[]
29489e7c 4259 INIT("Use of uninitialized value%s%s%s");
22c35a8c 4260EXTCONST char PL_warn_nosemi[]
463ee0b2 4261 INIT("Semicolon seems to be missing");
22c35a8c 4262EXTCONST char PL_warn_reserved[]
463ee0b2 4263 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4264EXTCONST char PL_warn_nl[]
93a17b20 4265 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4266EXTCONST char PL_no_wrongref[]
a0d0e21e 4267 INIT("Can't use %s ref as %s ref");
def89bff
NC		 4268/* The core no longer needs these here. If you require the string constant,
4269 please inline a copy into your own code. */
973a7615
NC		 4270EXTCONST char PL_no_symref[] __attribute__deprecated__
4271 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
def89bff
NC		 4272EXTCONST char PL_no_symref_sv[] __attribute__deprecated__
4273 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 4274EXTCONST char PL_no_usym[]
8990e307 4275 INIT("Can't use an undefined value as %s reference");
22c35a8c 4276EXTCONST char PL_no_aelem[]
93a17b20 4277 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4278EXTCONST char PL_no_helem_sv[]
d04ff51e 4279 INIT("Modification of non-creatable hash value attempted, subscript \"%"SVf"\"");
22c35a8c 4280EXTCONST char PL_no_modify[]
93a17b20 4281 INIT("Modification of a read-only value attempted");
22c35a8c 4282EXTCONST char PL_no_mem[]
93a17b20 4283 INIT("Out of memory!\n");
22c35a8c 4284EXTCONST char PL_no_security[]
463ee0b2 4285 INIT("Insecure dependency in %s%s");
22c35a8c 4286EXTCONST char PL_no_sock_func[]
93a17b20 4287 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4288EXTCONST char PL_no_dir_func[]
93a17b20 4289 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4290EXTCONST char PL_no_func[]
93a17b20 4291 INIT("The %s function is unimplemented");
22c35a8c 4292EXTCONST char PL_no_myglob[]
952306ac 4293 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 4294EXTCONST char PL_no_localize_ref[]
4295 INIT("Can't localize through a reference");
27d5b266
JH		 4296EXTCONST char PL_memory_wrap[]
4297 INIT("panic: memory wrap");
93a17b20 4298
618b9757
NC		 4299#ifdef CSH
4300EXTCONST char PL_cshname[]
4301 INIT(CSH);
4302# define PL_cshlen (sizeof(CSH "") - 1)
4303#endif
4304
7575fa06 4305EXTCONST char PL_uuemap[65]
80252599
GS		 4306 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4307
79072805 4308#ifdef DOINIT
9444d213
NC		 4309EXTCONST char PL_uudmap[256] =
4310#include "uudmap.h"
4311;
efa50c51 4312EXTCONST char PL_bitcount[256] =
efa50c51
NC		 4313# include "bitcount.h"
4314;
27da23d5
JH		 4315EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4316EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4317#else
9444d213 4318EXTCONST char PL_uudmap[256];
efa50c51 4319EXTCONST char PL_bitcount[256];
27da23d5
JH		 4320EXTCONST char* const PL_sig_name[];
4321EXTCONST int PL_sig_num[];
79072805
LW		 4322#endif
4323
3bd709b1 4324/* fast conversion and case folding tables */
bbce6d69 4325
79072805 4326#ifdef DOINIT
9d116dd7 4327#ifdef EBCDIC
27da23d5 4328EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 4329 0, 1, 2, 3, 4, 5, 6, 7,
4330 8, 9, 10, 11, 12, 13, 14, 15,
4331 16, 17, 18, 19, 20, 21, 22, 23,
4332 24, 25, 26, 27, 28, 29, 30, 31,
4333 32, 33, 34, 35, 36, 37, 38, 39,
4334 40, 41, 42, 43, 44, 45, 46, 47,
4335 48, 49, 50, 51, 52, 53, 54, 55,
4336 56, 57, 58, 59, 60, 61, 62, 63,
4337 64, 65, 66, 67, 68, 69, 70, 71,
4338 72, 73, 74, 75, 76, 77, 78, 79,
4339 80, 81, 82, 83, 84, 85, 86, 87,
4340 88, 89, 90, 91, 92, 93, 94, 95,
4341 96, 97, 98, 99, 100, 101, 102, 103,
4342 104, 105, 106, 107, 108, 109, 110, 111,
4343 112, 113, 114, 115, 116, 117, 118, 119,
4344 120, 121, 122, 123, 124, 125, 126, 127,
4345 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4346 'H', 'I', 138, 139, 140, 141, 142, 143,
4347 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
4348 'Q', 'R', 154, 155, 156, 157, 158, 159,
4349 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
4350 'Y', 'Z', 170, 171, 172, 173, 174, 175,
4351 176, 177, 178, 179, 180, 181, 182, 183,
4352 184, 185, 186, 187, 188, 189, 190, 191,
4353 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4354 'h', 'i', 202, 203, 204, 205, 206, 207,
4355 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
4356 'q', 'r', 218, 219, 220, 221, 222, 223,
4357 224, 225, 's', 't', 'u', 'v', 'w', 'x',
4358 'y', 'z', 234, 235, 236, 237, 238, 239,
4359 240, 241, 242, 243, 244, 245, 246, 247,
4360 248, 249, 250, 251, 252, 253, 254, 255
4361};
4362#else /* ascii rather than ebcdic */
22c35a8c 4363EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4364 0, 1, 2, 3, 4, 5, 6, 7,
4365 8, 9, 10, 11, 12, 13, 14, 15,
4366 16, 17, 18, 19, 20, 21, 22, 23,
4367 24, 25, 26, 27, 28, 29, 30, 31,
4368 32, 33, 34, 35, 36, 37, 38, 39,
4369 40, 41, 42, 43, 44, 45, 46, 47,
4370 48, 49, 50, 51, 52, 53, 54, 55,
4371 56, 57, 58, 59, 60, 61, 62, 63,
4372 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4373 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4374 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4375 'x', 'y', 'z', 91, 92, 93, 94, 95,
4376 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4377 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4378 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4379 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4380 128, 129, 130, 131, 132, 133, 134, 135,
4381 136, 137, 138, 139, 140, 141, 142, 143,
4382 144, 145, 146, 147, 148, 149, 150, 151,
4383 152, 153, 154, 155, 156, 157, 158, 159,
4384 160, 161, 162, 163, 164, 165, 166, 167,
4385 168, 169, 170, 171, 172, 173, 174, 175,
4386 176, 177, 178, 179, 180, 181, 182, 183,
4387 184, 185, 186, 187, 188, 189, 190, 191,
4388 192, 193, 194, 195, 196, 197, 198, 199,
4389 200, 201, 202, 203, 204, 205, 206, 207,
4390 208, 209, 210, 211, 212, 213, 214, 215,
4391 216, 217, 218, 219, 220, 221, 222, 223,
4392 224, 225, 226, 227, 228, 229, 230, 231,
4393 232, 233, 234, 235, 236, 237, 238, 239,
4394 240, 241, 242, 243, 244, 245, 246, 247,
4395 248, 249, 250, 251, 252, 253, 254, 255
4396};
00f254e2
KW		 4397#endif /* !EBCDIC, but still in DOINIT */
4398
4399/* If these tables are accessed through ebcdic, the access will be converted to
4400 * latin1 first */
4401EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4402 0, 1, 2, 3, 4, 5, 6, 7,
4403 8, 9, 10, 11, 12, 13, 14, 15,
4404 16, 17, 18, 19, 20, 21, 22, 23,
4405 24, 25, 26, 27, 28, 29, 30, 31,
4406 32, 33, 34, 35, 36, 37, 38, 39,
4407 40, 41, 42, 43, 44, 45, 46, 47,
4408 48, 49, 50, 51, 52, 53, 54, 55,
4409 56, 57, 58, 59, 60, 61, 62, 63,
4410 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4411 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4412 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4413 'x', 'y', 'z', 91, 92, 93, 94, 95,
4414 96, 97, 98, 99, 100, 101, 102, 103,
4415 104, 105, 106, 107, 108, 109, 110, 111,
4416 112, 113, 114, 115, 116, 117, 118, 119,
4417 120, 121, 122, 123, 124, 125, 126, 127,
4418 128, 129, 130, 131, 132, 133, 134, 135,
4419 136, 137, 138, 139, 140, 141, 142, 143,
4420 144, 145, 146, 147, 148, 149, 150, 151,
4421 152, 153, 154, 155, 156, 157, 158, 159,
4422 160, 161, 162, 163, 164, 165, 166, 167,
4423 168, 169, 170, 171, 172, 173, 174, 175,
4424 176, 177, 178, 179, 180, 181, 182, 183,
4425 184, 185, 186, 187, 188, 189, 190, 191,
4426 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4427 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4428 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4429 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4430 224, 225, 226, 227, 228, 229, 230, 231,
4431 232, 233, 234, 235, 236, 237, 238, 239,
4432 240, 241, 242, 243, 244, 245, 246, 247,
4433 248, 249, 250, 251, 252, 253, 254, 255
4434};
4435
4436/* upper and title case of latin1 characters, modified so that the three tricky
4437 * ones are mapped to 255 (which is one of the three) */
4438EXTCONST unsigned char PL_mod_latin1_uc[] = {
4439 0, 1, 2, 3, 4, 5, 6, 7,
4440 8, 9, 10, 11, 12, 13, 14, 15,
4441 16, 17, 18, 19, 20, 21, 22, 23,
4442 24, 25, 26, 27, 28, 29, 30, 31,
4443 32, 33, 34, 35, 36, 37, 38, 39,
4444 40, 41, 42, 43, 44, 45, 46, 47,
4445 48, 49, 50, 51, 52, 53, 54, 55,
4446 56, 57, 58, 59, 60, 61, 62, 63,
4447 64, 65, 66, 67, 68, 69, 70, 71,
4448 72, 73, 74, 75, 76, 77, 78, 79,
4449 80, 81, 82, 83, 84, 85, 86, 87,
4450 88, 89, 90, 91, 92, 93, 94, 95,
4451 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4452 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4453 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4454 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4455 128, 129, 130, 131, 132, 133, 134, 135,
4456 136, 137, 138, 139, 140, 141, 142, 143,
4457 144, 145, 146, 147, 148, 149, 150, 151,
4458 152, 153, 154, 155, 156, 157, 158, 159,
4459 160, 161, 162, 163, 164, 165, 166, 167,
4460 168, 169, 170, 171, 172, 173, 174, 175,
4461 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4462 184, 185, 186, 187, 188, 189, 190, 191,
4463 192, 193, 194, 195, 196, 197, 198, 199,
4464 200, 201, 202, 203, 204, 205, 206, 207,
4465 208, 209, 210, 211, 212, 213, 214, 215,
4466 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/,
4467 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4468 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4469 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4470 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4471};
4472#else /* ! DOINIT */
22c35a8c 4473EXTCONST unsigned char PL_fold[];
00f254e2
KW		 4474EXTCONST unsigned char PL_mod_latin1_uc[];
4475EXTCONST unsigned char PL_latin1_lc[];
79072805
LW		 4476#endif
4477
27da23d5 4478#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4479#ifdef DOINIT
27da23d5 4480EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4481 0, 1, 2, 3, 4, 5, 6, 7,
4482 8, 9, 10, 11, 12, 13, 14, 15,
4483 16, 17, 18, 19, 20, 21, 22, 23,
4484 24, 25, 26, 27, 28, 29, 30, 31,
4485 32, 33, 34, 35, 36, 37, 38, 39,
4486 40, 41, 42, 43, 44, 45, 46, 47,
4487 48, 49, 50, 51, 52, 53, 54, 55,
4488 56, 57, 58, 59, 60, 61, 62, 63,
4489 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4490 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4491 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4492 'x', 'y', 'z', 91, 92, 93, 94, 95,
4493 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4494 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4495 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4496 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4497 128, 129, 130, 131, 132, 133, 134, 135,
4498 136, 137, 138, 139, 140, 141, 142, 143,
4499 144, 145, 146, 147, 148, 149, 150, 151,
4500 152, 153, 154, 155, 156, 157, 158, 159,
4501 160, 161, 162, 163, 164, 165, 166, 167,
4502 168, 169, 170, 171, 172, 173, 174, 175,
4503 176, 177, 178, 179, 180, 181, 182, 183,
4504 184, 185, 186, 187, 188, 189, 190, 191,
4505 192, 193, 194, 195, 196, 197, 198, 199,
4506 200, 201, 202, 203, 204, 205, 206, 207,
4507 208, 209, 210, 211, 212, 213, 214, 215,
4508 216, 217, 218, 219, 220, 221, 222, 223,
4509 224, 225, 226, 227, 228, 229, 230, 231,
4510 232, 233, 234, 235, 236, 237, 238, 239,
4511 240, 241, 242, 243, 244, 245, 246, 247,
4512 248, 249, 250, 251, 252, 253, 254, 255
4513};
4514#else
27da23d5 4515EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4516#endif
27da23d5 4517#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4518
4519#ifdef DOINIT
9d116dd7 4520#ifdef EBCDIC
27da23d5 4521EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4522 1, 2, 84, 151, 154, 155, 156, 157,
4523 165, 246, 250, 3, 158, 7, 18, 29,
4524 40, 51, 62, 73, 85, 96, 107, 118,
4525 129, 140, 147, 148, 149, 150, 152, 153,
4526 255, 6, 8, 9, 10, 11, 12, 13,
4527 14, 15, 24, 25, 26, 27, 28, 226,
4528 29, 30, 31, 32, 33, 43, 44, 45,
4529 46, 47, 48, 49, 50, 76, 77, 78,
4530 79, 80, 81, 82, 83, 84, 85, 86,
4531 87, 94, 95, 234, 181, 233, 187, 190,
4532 180, 96, 97, 98, 99, 100, 101, 102,
4533 104, 112, 182, 174, 236, 232, 229, 103,
4534 228, 226, 114, 115, 116, 117, 118, 119,
4535 120, 121, 122, 235, 176, 230, 194, 162,
4536 130, 131, 132, 133, 134, 135, 136, 137,
4537 138, 139, 201, 205, 163, 217, 220, 224,
4538 5, 248, 227, 244, 242, 255, 241, 231,
4539 240, 253, 16, 197, 19, 20, 21, 187,
4540 23, 169, 210, 245, 237, 249, 247, 239,
4541 168, 252, 34, 196, 36, 37, 38, 39,
4542 41, 42, 251, 254, 238, 223, 221, 213,
4543 225, 177, 52, 53, 54, 55, 56, 57,
4544 58, 59, 60, 61, 63, 64, 65, 66,
4545 67, 68, 69, 70, 71, 72, 74, 75,
4546 205, 208, 186, 202, 200, 218, 198, 179,
4547 178, 214, 88, 89, 90, 91, 92, 93,
4548 217, 166, 170, 207, 199, 209, 206, 204,
4549 160, 212, 105, 106, 108, 109, 110, 111,
4550 203, 113, 216, 215, 192, 175, 193, 243,
4551 172, 161, 123, 124, 125, 126, 127, 128,
4552 222, 219, 211, 195, 188, 193, 185, 184,
4553 191, 183, 141, 142, 143, 144, 145, 146
4554};
4555#else /* ascii rather than ebcdic */
22c35a8c 4556EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4557 1, 2, 84, 151, 154, 155, 156, 157,
4558 165, 246, 250, 3, 158, 7, 18, 29,
4559 40, 51, 62, 73, 85, 96, 107, 118,
4560 129, 140, 147, 148, 149, 150, 152, 153,
4561 255, 182, 224, 205, 174, 176, 180, 217,
4562 233, 232, 236, 187, 235, 228, 234, 226,
4563 222, 219, 211, 195, 188, 193, 185, 184,
4564 191, 183, 201, 229, 181, 220, 194, 162,
4565 163, 208, 186, 202, 200, 218, 198, 179,
4566 178, 214, 166, 170, 207, 199, 209, 206,
4567 204, 160, 212, 216, 215, 192, 175, 173,
4568 243, 172, 161, 190, 203, 189, 164, 230,
4569 167, 248, 227, 244, 242, 255, 241, 231,
4570 240, 253, 169, 210, 245, 237, 249, 247,
4571 239, 168, 252, 251, 254, 238, 223, 221,
4572 213, 225, 177, 197, 171, 196, 159, 4,
4573 5, 6, 8, 9, 10, 11, 12, 13,
4574 14, 15, 16, 17, 19, 20, 21, 22,
4575 23, 24, 25, 26, 27, 28, 30, 31,
4576 32, 33, 34, 35, 36, 37, 38, 39,
4577 41, 42, 43, 44, 45, 46, 47, 48,
4578 49, 50, 52, 53, 54, 55, 56, 57,
4579 58, 59, 60, 61, 63, 64, 65, 66,
4580 67, 68, 69, 70, 71, 72, 74, 75,
4581 76, 77, 78, 79, 80, 81, 82, 83,
4582 86, 87, 88, 89, 90, 91, 92, 93,
4583 94, 95, 97, 98, 99, 100, 101, 102,
4584 103, 104, 105, 106, 108, 109, 110, 111,
4585 112, 113, 114, 115, 116, 117, 119, 120,
4586 121, 122, 123, 124, 125, 126, 127, 128,
4587 130, 131, 132, 133, 134, 135, 136, 137,
4588 138, 139, 141, 142, 143, 144, 145, 146
4589};
9d116dd7 4590#endif
79072805 4591#else
22c35a8c 4592EXTCONST unsigned char PL_freq[];
79072805
LW		 4593#endif
4594
8990e307
LW		 4595#ifdef DEBUGGING
4596#ifdef DOINIT
27da23d5 4597EXTCONST char* const PL_block_type[] = {
8990e307 4598 "NULL",
d01136d6 4599 "WHEN",
8990e307 4600 "BLOCK",
0d863452 4601 "GIVEN",
d01136d6
BS		 4602 "LOOP_FOR",
4603 "LOOP_PLAIN",
4604 "LOOP_LAZYSV",
4605 "LOOP_LAZYIV",
76753e7f
NC		 4606 "SUB",
4607 "FORMAT",
4608 "EVAL",
4609 "SUBST"
8990e307
LW		 4610};
4611#else
22c35a8c 4612EXTCONST char* PL_block_type[];
8990e307
LW		 4613#endif
4614#endif
4615
b75885fd
NC		 4616/* These are all the compile time options that affect binary compatibility.
4617 Other compile time options that are binary compatible are in perl.c
4618 Both are combined for the output of perl -V
4619 However, this string will be embedded in any shared perl library, which will
4620 allow us add a comparison check in perlmain.c in the near future. */
4621#ifdef DOINIT
4622EXTCONST char PL_bincompat_options[] =
4623# ifdef DEBUG_LEAKING_SCALARS
4624 " DEBUG_LEAKING_SCALARS"
4625# endif
4626# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4627 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4628# endif
4629# ifdef FAKE_THREADS
4630 " FAKE_THREADS"
4631# endif
4632# ifdef MULTIPLICITY
4633 " MULTIPLICITY"
4634# endif
4635# ifdef MYMALLOC
4636 " MYMALLOC"
4637# endif
4638# ifdef PERL_DEBUG_READONLY_OPS
4639 " PERL_DEBUG_READONLY_OPS"
4640# endif
4641# ifdef PERL_GLOBAL_STRUCT
4642 " PERL_GLOBAL_STRUCT"
4643# endif
4644# ifdef PERL_IMPLICIT_CONTEXT
4645 " PERL_IMPLICIT_CONTEXT"
4646# endif
4647# ifdef PERL_IMPLICIT_SYS
4648 " PERL_IMPLICIT_SYS"
4649# endif
4650# ifdef PERL_MAD
4651 " PERL_MAD"
4652# endif
4653# ifdef PERL_NEED_APPCTX
4654 " PERL_NEED_APPCTX"
4655# endif
4656# ifdef PERL_NEED_TIMESBASE
4657 " PERL_NEED_TIMESBASE"
4658# endif
4659# ifdef PERL_OLD_COPY_ON_WRITE
4660 " PERL_OLD_COPY_ON_WRITE"
4661# endif
4662# ifdef PERL_POISON
4663 " PERL_POISON"
4664# endif
4665# ifdef PERL_TRACK_MEMPOOL
4666 " PERL_TRACK_MEMPOOL"
4667# endif
4668# ifdef PERL_USES_PL_PIDSTATUS
4669 " PERL_USES_PL_PIDSTATUS"
4670# endif
4671# ifdef PL_OP_SLAB_ALLOC
4672 " PL_OP_SLAB_ALLOC"
4673# endif
4674# ifdef THREADS_HAVE_PIDS
4675 " THREADS_HAVE_PIDS"
4676# endif
4677# ifdef USE_64_BIT_ALL
4678 " USE_64_BIT_ALL"
4679# endif
4680# ifdef USE_64_BIT_INT
4681 " USE_64_BIT_INT"
4682# endif
c7b392fa
NC		 4683# ifdef USE_IEEE
4684 " USE_IEEE"
4685# endif
b75885fd
NC		 4686# ifdef USE_ITHREADS
4687 " USE_ITHREADS"
4688# endif
4689# ifdef USE_LARGE_FILES
4690 " USE_LARGE_FILES"
4691# endif
4692# ifdef USE_LONG_DOUBLE
4693 " USE_LONG_DOUBLE"
4694# endif
4695# ifdef USE_PERLIO
4696 " USE_PERLIO"
4697# endif
4698# ifdef USE_REENTRANT_API
4699 " USE_REENTRANT_API"
4700# endif
4701# ifdef USE_SFIO
4702 " USE_SFIO"
4703# endif
4704# ifdef USE_SOCKS
4705 " USE_SOCKS"
4706# endif
4f575702
CB		 4707# ifdef VMS_DO_SOCKETS
4708 " VMS_DO_SOCKETS"
4709# ifdef DECCRTL_SOCKETS
4710 " DECCRTL_SOCKETS"
4711# endif
4712# endif
4713# ifdef VMS_WE_ARE_CASE_SENSITIVE
4714 " VMS_SYMBOL_CASE_AS_IS"
4715# endif
a68dd89e 4716 "";
b75885fd
NC		 4717#else
4718EXTCONST char PL_bincompat_options[];
4719#endif
4720
73c4f7a1
GS		 4721END_EXTERN_C
4722
79072805
LW		 4723/*****************************************************************************/
4724/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4725/*****************************************************************************/
8990e307 4726/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4727
d4c3c482 4728#ifdef __Lynx__
9cffb111
OS		 4729/* LynxOS defines these in scsi.h which is included via ioctl.h */
4730#ifdef FORMAT
4731#undef FORMAT
4732#endif
4733#ifdef SPACE
4734#undef SPACE
4735#endif
d4c3c482 4736#endif
9cffb111 4737
fb73857a 4738#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4739
79072805
LW		 4740typedef enum {
4741 XOPERATOR,
4742 XTERM,
79072805 4743 XREF,
8990e307 4744 XSTATE,
a0d0e21e 4745 XBLOCK,
09bef843
SB		 4746 XATTRBLOCK,
4747 XATTRTERM,
6f33ba73
RGS		 4748 XTERMBLOCK,
4749 XTERMORDORDOR /* evil hack */
27308ded 4750 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4751} expectation;
4752
dc9e4912
GS		 4753enum { /* pass one of these to get_vtbl */
4754 want_vtbl_sv,
4755 want_vtbl_env,
4756 want_vtbl_envelem,
4757 want_vtbl_sig,
4758 want_vtbl_sigelem,
4759 want_vtbl_pack,
4760 want_vtbl_packelem,
4761 want_vtbl_dbline,
4762 want_vtbl_isa,
4763 want_vtbl_isaelem,
4764 want_vtbl_arylen,
4765 want_vtbl_glob,
4766 want_vtbl_mglob,
4767 want_vtbl_nkeys,
4768 want_vtbl_taint,
4769 want_vtbl_substr,
4770 want_vtbl_vec,
4771 want_vtbl_pos,
4772 want_vtbl_bm,
4773 want_vtbl_fm,
4774 want_vtbl_uvar,
4775 want_vtbl_defelem,
4776 want_vtbl_regexp,
4777 want_vtbl_collxfrm,
4778 want_vtbl_amagic,
4779 want_vtbl_amagicelem,
dc9e4912 4780 want_vtbl_regdata,
810b8aa5 4781 want_vtbl_regdatum,
7e8c5dac 4782 want_vtbl_backref,
8d2f4536 4783 want_vtbl_utf8,
83bf042f 4784 want_vtbl_symtab,
b3ca2e83 4785 want_vtbl_arylen_p,
f747ebd6
Z		 4786 want_vtbl_hintselem,
4787 want_vtbl_hints
dc9e4912
GS		 4788};
4789
d5ec2987
NC		 4790
4791/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4792 special and there is no need for HINT_PRIVATE_MASK for COPs
4793 However, bitops store HINT_INTEGER in their op_private. */
9cfe5470
RGS		 4794#define HINT_INTEGER 0x00000001 /* integer pragma */
4795#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4796#define HINT_LOCALE 0x00000004 /* locale pragma */
4797#define HINT_BYTES 0x00000008 /* bytes pragma */
7b0bddfa 4798#define HINT_ARYBASE 0x00000010 /* $[ is non-zero */
a0ed51b3 4799 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 4800 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 4801
4802#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4803#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4804#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
1863b879 4805#define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */
85e6fe83 4806
9cfe5470 4807/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4808#define HINT_NEW_INTEGER 0x00001000
4809#define HINT_NEW_FLOAT 0x00002000
4810#define HINT_NEW_BINARY 0x00004000
4811#define HINT_NEW_STRING 0x00008000
4812#define HINT_NEW_RE 0x00010000
4813#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 4814#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4815#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 4816
9cfe5470
RGS		 4817#define HINT_RE_TAINT 0x00100000 /* re pragma */
4818#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4819
9cfe5470
RGS		 4820#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4821#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4822
e46c382e
YK		 4823#define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
4824
0239f47c 4825/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4826#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4827#define HINT_SORT_QUICKSORT 0x00000001
4828#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4829#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4830
8bfdd7d9 4831/* Various states of the input record separator SV (rs) */
d4cce5f1 4832#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4833#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4834#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4835#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4836
128e8167 4837/* A struct for keeping various DEBUGGING related stuff,
ce333219 4838 * neatly packed. Currently only scratch variables for
128e8167
JH		 4839 * constructing debug output are included. Needed always,
4840 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4841struct perl_debug_pad {
4842 SV pad[3];
4843};
4844
4845#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4846#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4847 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4848 PERL_DEBUG_PAD(i))
ce333219 4849
56953603 4850/* Enable variables which are pointers to functions */
16c91539
BM		 4851typedef void (*peep_t)(pTHX_ OP* o);
4852typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm);
4853typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg,
0cb96387
GS		 4854 char* strend, char* strbeg, I32 minend,
4855 SV* screamer, void* data, U32 flags);
16c91539 4856typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv,
f722798b
IZ		 4857 char *strpos, char *strend,
4858 U32 flags,
9f61653a 4859 re_scream_pos_data *d);
16c91539
BM		 4860typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog);
4861typedef void (*regfree_t) (pTHX_ struct regexp* r);
4862typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param);
56953603 4863
c76ac1ee 4864typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc 4865typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
f30de749 4866typedef void (*SVFUNC_t) (pTHX_ SV* const);
31e9e0a3 4867typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
acfe0abc
GS		 4868typedef void (*XSINIT_t) (pTHX);
4869typedef void (*ATEXIT_t) (pTHX_ void*);
4870typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4871
22239a37
NIS		 4872/* Set up PERLVAR macros for populating structs */
4873#define PERLVAR(var,type) type var;
51371543 4874#define PERLVARA(var,n,type) type var[n];
22239a37 4875#define PERLVARI(var,type,init) type var;
3fe35a81 4876#define PERLVARIC(var,type,init) type var;
27da23d5
JH		 4877#define PERLVARISC(var,init) const char var[sizeof(init)];
4878
16c91539
BM		 4879typedef OP* (*Perl_ppaddr_t)(pTHX);
4880typedef OP* (*Perl_check_t) (pTHX_ OP*);
4881typedef void(*Perl_ophook_t)(pTHX_ OP*);
4882typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**);
88e1f1a2
JV		 4883
4884#define KEYWORD_PLUGIN_DECLINE 0
4885#define KEYWORD_PLUGIN_STMT 1
4886#define KEYWORD_PLUGIN_EXPR 2
22239a37 4887
58a50f62
GS		 4888/* Interpreter exitlist entry */
4889typedef struct exitlistentry {
acfe0abc 4890 void (*fn) (pTHX_ void*);
58a50f62
GS		 4891 void *ptr;
4892} PerlExitListEntry;
4893
aadb217d
JH		 4894/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4895/* These have to be before perlvars.h */
4896#if !defined(HAS_SIGACTION) && defined(VMS)
4897# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4898#endif
4899/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4900#if defined(KILL_BY_SIGPRC)
4901# define FAKE_DEFAULT_SIGNAL_HANDLERS
4902#endif
4903
ffee3ff6
NC		 4904#define PERL_PATCHLEVEL_H_IMPLICIT
4905#include "patchlevel.h"
4906#undef PERL_PATCHLEVEL_H_IMPLICIT
4907
d9421656
NC		 4908#define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4909 STRINGIFY(PERL_VERSION) "." \
4910 STRINGIFY(PERL_SUBVERSION)
4911
1e8125c6
FR		 4912#define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4913 STRINGIFY(PERL_API_VERSION) "." \
4914 STRINGIFY(PERL_API_SUBVERSION)
4915
22239a37
NIS		 4916#ifdef PERL_GLOBAL_STRUCT
4917struct perl_vars {
7766f137 4918# include "perlvars.h"
22239a37
NIS		 4919};
4920
7766f137 4921# ifdef PERL_CORE
27da23d5 4922# ifndef PERL_GLOBAL_STRUCT_PRIVATE
533c011a
NIS		 4923EXT struct perl_vars PL_Vars;
4924EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
27da23d5
JH		 4925# undef PERL_GET_VARS
4926# define PERL_GET_VARS() PL_VarsPtr
4927# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
7766f137
GS		 4928# else /* PERL_CORE */
4929# if !defined(__GNUC__) || !defined(WIN32)
22239a37 4930EXT
7766f137 4931# endif /* WIN32 */
533c011a 4932struct perl_vars *PL_VarsPtr;
7766f137
GS		 4933# define PL_Vars (*((PL_VarsPtr) \
4934 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
4935# endif /* PERL_CORE */
22239a37
NIS		 4936#endif /* PERL_GLOBAL_STRUCT */
4937
acfe0abc 4938#if defined(MULTIPLICITY)
d460ef45 4939/* If we have multiple interpreters define a struct
d4cce5f1 4940 holding variables which must be per-interpreter
d460ef45 4941 If we don't have threads anything that would have
d4cce5f1
NIS		 4942 be per-thread is per-interpreter.
4943*/
4944
79072805 4945struct interpreter {
7766f137 4946# include "intrpvar.h"
49f531da 4947};
d4cce5f1 4948
79072805 4949#else
49f531da
NIS		 4950struct interpreter {
4951 char broiled;
4952};
acfe0abc 4953#endif /* MULTIPLICITY */
79072805 4954
22239a37 4955/* Done with PERLVAR macros for now ... */
d4cce5f1 4956#undef PERLVAR
51371543 4957#undef PERLVARA
d4cce5f1 4958#undef PERLVARI
3fe35a81 4959#undef PERLVARIC
27da23d5 4960#undef PERLVARISC
79072805 4961
f7fe979e 4962struct tempsym; /* defined in pp_pack.c */
49704364 4963
22239a37 4964#include "thread.h"
79072805 4965#include "pp.h"
864dbfa3
GS		 4966
4967#ifndef PERL_CALLCONV
a0c21aa1
JH		 4968# ifdef __cplusplus
4969# define PERL_CALLCONV extern "C"
4970# else
4971# define PERL_CALLCONV
4972# endif
d460ef45 4973#endif
0cb96387
GS		 4974#undef PERL_CKDEF
4975#undef PERL_PPDEF
0159f81b
JH		 4976#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
4977#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 4978
7766f137 4979#include "proto.h"
864dbfa3 4980
0cb96387 4981/* this has structure inits, so it cannot be included before here */
acfe0abc 4982#include "opcode.h"
864dbfa3 4983
d4cce5f1
NIS		 4984/* The following must follow proto.h as #defines mess up syntax */
4985
22c35a8c
GS		 4986#if !defined(PERL_FOR_X2P)
4987# include "embedvar.h"
4988#endif
598921a7
NC		 4989#ifndef PERL_MAD
4990# undef PL_madskills
4991# undef PL_xmlfp
4992# define PL_madskills 0
4993# define PL_xmlfp 0
4994#endif
d4cce5f1 4995
d460ef45 4996/* Now include all the 'global' variables
d4cce5f1 4997 * If we don't have threads or multiple interpreters
d460ef45 4998 * these include variables that would have been their struct-s
d4cce5f1 4999 */
d460ef45 5000
533c011a 5001#define PERLVAR(var,type) EXT type PL_##var;
51371543 5002#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 5003#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
5004#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
27da23d5 5005#define PERLVARISC(var,init) EXTCONST char PL_##var[sizeof(init)] INIT(init);
d4cce5f1 5006
acfe0abc 5007#if !defined(MULTIPLICITY)
7766f137 5008START_EXTERN_C
066ef5b5 5009# include "intrpvar.h"
7766f137 5010END_EXTERN_C
22239a37
NIS		 5011#endif
5012
24792b8d
NC		 5013#ifdef PERL_CORE
5014/* All core uses now exterminated. Ensure no zombies can return: */
5015# undef PL_na
5016#endif
5017
acfe0abc 5018#if defined(WIN32)
66a93824 5019/* Now all the config stuff is setup we can include embed.h */
22c35a8c 5020# include "embed.h"
eb8433b7
NC		 5021# ifndef PERL_MAD
5022# undef op_getmad
b3f24c00 5023# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 5024# endif
acfe0abc 5025#endif
22239a37 5026
c5be433b
GS		 5027#ifndef PERL_GLOBAL_STRUCT
5028START_EXTERN_C
5029
5030# include "perlvars.h"
5031
5032END_EXTERN_C
5033#endif
5034
d4cce5f1 5035#undef PERLVAR
51371543 5036#undef PERLVARA
d4cce5f1 5037#undef PERLVARI
0f3f18a6 5038#undef PERLVARIC
79072805 5039
73c4f7a1
GS		 5040START_EXTERN_C
5041
bc028b6b
JH		 5042/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
5043 * magic vtables const, but this is incompatible with SWIG which
5044 * does want to modify the vtables. */
5045#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5046# define EXT_MGVTBL EXTCONST MGVTBL
5047#else
5048# define EXT_MGVTBL EXT MGVTBL
5049#endif
5050
79072805 5051#ifdef DOINIT
bc028b6b 5052# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var = {a,b,c,d,e,f,g,h}
2664ba31 5053/* Like MGVTBL_SET but with the get magic having a const MG* */
bc028b6b 5054# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var \
2664ba31 5055 = {(int (*)(pTHX_ SV *, MAGIC *))a,b,c,d,e,f,g,h}
4944113a 5056#else
bc028b6b
JH		 5057# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var
5058# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var
4944113a
AL		 5059#endif
5060
abdc98d4
NC		 5061/* These all need to be 0, not NULL, as NULL can be (void*)0, which is a
5062 * pointer to data, whereas we're assigning pointers to functions, which are
5063 * not the same beast. ANSI doesn't allow the assignment from one to the other.
5064 * (although most, but not all, compilers are prepared to do it)
5065 */
4a75fa1a
DM		 5066
5067/* args are:
5068 vtable
5069 get
5070 set
5071 len
5072 clear
5073 free
5074 copy
5075 dup
5076 local
5077*/
5078
4944113a
AL		 5079MGVTBL_SET(
5080 PL_vtbl_sv,
5081 MEMBER_TO_FPTR(Perl_magic_get),
5082 MEMBER_TO_FPTR(Perl_magic_set),
5083 MEMBER_TO_FPTR(Perl_magic_len),
abdc98d4
NC		 5084 0,
5085 0,
5086 0,
5087 0,
5088 0
4944113a
AL		 5089);
5090
5091MGVTBL_SET(
5092 PL_vtbl_env,
abdc98d4 5093 0,
4944113a 5094 MEMBER_TO_FPTR(Perl_magic_set_all_env),
abdc98d4 5095 0,
4944113a 5096 MEMBER_TO_FPTR(Perl_magic_clear_all_env),
abdc98d4
NC		 5097 0,
5098 0,
5099 0,
5100 0
4944113a
AL		 5101);
5102
5103MGVTBL_SET(
5104 PL_vtbl_envelem,
abdc98d4 5105 0,
4944113a 5106 MEMBER_TO_FPTR(Perl_magic_setenv),
abdc98d4 5107 0,
4944113a 5108 MEMBER_TO_FPTR(Perl_magic_clearenv),
abdc98d4
NC		 5109 0,
5110 0,
5111 0,
5112 0
4944113a
AL		 5113);
5114
5115MGVTBL_SET(
5116 PL_vtbl_sig,
abdc98d4
NC		 5117 0,
5118 0,
5119 0,
5120 0,
5121 0,
5122 0,
5123 0,
5124 0
4944113a
AL		 5125);
5126
9ba75e3c 5127#ifdef PERL_MICRO
4944113a
AL		 5128MGVTBL_SET(
5129 PL_vtbl_sigelem,
abdc98d4
NC		 5130 0,
5131 0,
5132 0,
5133 0,
5134 0,
5135 0,
5136 0,
5137 0
9ba75e3c
DD		 5138);
5139
64ca3a65 5140#else
9ba75e3c
DD		 5141MGVTBL_SET(
5142 PL_vtbl_sigelem,
4944113a
AL		 5143 MEMBER_TO_FPTR(Perl_magic_getsig),
5144 MEMBER_TO_FPTR(Perl_magic_setsig),
abdc98d4 5145 0,
4944113a 5146 MEMBER_TO_FPTR(Perl_magic_clearsig),
abdc98d4
NC		 5147 0,
5148 0,
5149 0,
5150 0
4944113a 5151);
9ba75e3c 5152#endif
4944113a
AL		 5153
5154MGVTBL_SET(
5155 PL_vtbl_pack,
abdc98d4
NC		 5156 0,
5157 0,
4944113a
AL		 5158 MEMBER_TO_FPTR(Perl_magic_sizepack),
5159 MEMBER_TO_FPTR(Perl_magic_wipepack),
abdc98d4
NC		 5160 0,
5161 0,
5162 0,
5163 0
4944113a
AL		 5164);
5165
5166MGVTBL_SET(
5167 PL_vtbl_packelem,
5168 MEMBER_TO_FPTR(Perl_magic_getpack),
5169 MEMBER_TO_FPTR(Perl_magic_setpack),
abdc98d4 5170 0,
4944113a 5171 MEMBER_TO_FPTR(Perl_magic_clearpack),
abdc98d4
NC		 5172 0,
5173 0,
5174 0,
5175 0
4944113a
AL		 5176);
5177
5178MGVTBL_SET(
5179 PL_vtbl_dbline,
abdc98d4 5180 0,
4944113a 5181 MEMBER_TO_FPTR(Perl_magic_setdbline),
abdc98d4
NC		 5182 0,
5183 0,
5184 0,
5185 0,
5186 0,
5187 0
4944113a
AL		 5188);
5189
5190MGVTBL_SET(
5191 PL_vtbl_isa,
abdc98d4 5192 0,
4944113a 5193 MEMBER_TO_FPTR(Perl_magic_setisa),
abdc98d4 5194 0,
52b45067 5195 MEMBER_TO_FPTR(Perl_magic_clearisa),
0fa56319 5196 0,
abdc98d4
NC		 5197 0,
5198 0,
5199 0
4944113a
AL		 5200);
5201
5202MGVTBL_SET(
5203 PL_vtbl_isaelem,
abdc98d4 5204 0,
4944113a 5205 MEMBER_TO_FPTR(Perl_magic_setisa),
abdc98d4
NC		 5206 0,
5207 0,
5208 0,
5209 0,
5210 0,
5211 0
4944113a
AL		 5212);
5213
2e2109e1 5214MGVTBL_SET_CONST_MAGIC_GET(
4944113a
AL		 5215 PL_vtbl_arylen,
5216 MEMBER_TO_FPTR(Perl_magic_getarylen),
5217 MEMBER_TO_FPTR(Perl_magic_setarylen),
abdc98d4
NC		 5218 0,
5219 0,
5220 0,
5221 0,
5222 0,
5223 0
4944113a
AL		 5224);
5225
5226MGVTBL_SET(
83bf042f 5227 PL_vtbl_arylen_p,
abdc98d4
NC		 5228 0,
5229 0,
5230 0,
5231 0,
83bf042f 5232 MEMBER_TO_FPTR(Perl_magic_freearylen_p),
abdc98d4
NC		 5233 0,
5234 0,
5235 0
83bf042f
NC		 5236);
5237
5238MGVTBL_SET(
4944113a 5239 PL_vtbl_mglob,
abdc98d4 5240 0,
4944113a 5241 MEMBER_TO_FPTR(Perl_magic_setmglob),
abdc98d4
NC		 5242 0,
5243 0,
5244 0,
5245 0,
5246 0,
5247 0
4944113a
AL		 5248);
5249
5250MGVTBL_SET(
5251 PL_vtbl_nkeys,
5252 MEMBER_TO_FPTR(Perl_magic_getnkeys),
5253 MEMBER_TO_FPTR(Perl_magic_setnkeys),
abdc98d4
NC		 5254 0,
5255 0,
5256 0,
5257 0,
5258 0,
5259 0
4944113a
AL		 5260);
5261
5262MGVTBL_SET(
5263 PL_vtbl_taint,
5264 MEMBER_TO_FPTR(Perl_magic_gettaint),
5265 MEMBER_TO_FPTR(Perl_magic_settaint),
abdc98d4
NC		 5266 0,
5267 0,
5268 0,
5269 0,
5270 0,
5271 0
4944113a
AL		 5272);
5273
5274MGVTBL_SET(
5275 PL_vtbl_substr,
5276 MEMBER_TO_FPTR(Perl_magic_getsubstr),
5277 MEMBER_TO_FPTR(Perl_magic_setsubstr),
abdc98d4
NC		 5278 0,
5279 0,
5280 0,
5281 0,
5282 0,
5283 0
4944113a
AL		 5284);
5285
5286MGVTBL_SET(
5287 PL_vtbl_vec,
5288 MEMBER_TO_FPTR(Perl_magic_getvec),
5289 MEMBER_TO_FPTR(Perl_magic_setvec),
abdc98d4
NC		 5290 0,
5291 0,
5292 0,
5293 0,
5294 0,
5295 0
4944113a
AL		 5296);
5297
5298MGVTBL_SET(
5299 PL_vtbl_pos,
5300 MEMBER_TO_FPTR(Perl_magic_getpos),
5301 MEMBER_TO_FPTR(Perl_magic_setpos),
abdc98d4
NC		 5302 0,
5303 0,
5304 0,
5305 0,
5306 0,
5307 0
4944113a
AL		 5308);
5309
5310MGVTBL_SET(
5311 PL_vtbl_bm,
abdc98d4 5312 0,
488344d2 5313 MEMBER_TO_FPTR(Perl_magic_setregexp),
abdc98d4
NC		 5314 0,
5315 0,
5316 0,
5317 0,
5318 0,
5319 0
4944113a
AL		 5320);
5321
5322MGVTBL_SET(
5323 PL_vtbl_fm,
abdc98d4 5324 0,
488344d2 5325 MEMBER_TO_FPTR(Perl_magic_setregexp),
abdc98d4
NC		 5326 0,
5327 0,
5328 0,
5329 0,
5330 0,
5331 0
4944113a
AL		 5332);
5333
5334MGVTBL_SET(
5335 PL_vtbl_uvar,
5336 MEMBER_TO_FPTR(Perl_magic_getuvar),
5337 MEMBER_TO_FPTR(Perl_magic_setuvar),
abdc98d4
NC		 5338 0,
5339 0,
5340 0,
5341 0,
5342 0,
5343 0
4944113a
AL		 5344);
5345
5346MGVTBL_SET(
5347 PL_vtbl_defelem,
5348 MEMBER_TO_FPTR(Perl_magic_getdefelem),
5349 MEMBER_TO_FPTR(Perl_magic_setdefelem),
abdc98d4
NC		 5350 0,
5351 0,
5352 0,
5353 0,
5354 0,
5355 0
4944113a
AL		 5356);
5357
5358MGVTBL_SET(
5359 PL_vtbl_regexp,
abdc98d4 5360 0,
4944113a 5361 MEMBER_TO_FPTR(Perl_magic_setregexp),
abdc98d4
NC		 5362 0,
5363 0,
288b8c02 5364 0,
abdc98d4
NC		 5365 0,
5366 0,
5367 0
4944113a
AL		 5368);
5369
5370MGVTBL_SET(
5371 PL_vtbl_regdata,
abdc98d4
NC		 5372 0,
5373 0,
4944113a 5374 MEMBER_TO_FPTR(Perl_magic_regdata_cnt),
abdc98d4
NC		 5375 0,
5376 0,
5377 0,
5378 0,
5379 0
4944113a
AL		 5380);
5381
5382MGVTBL_SET(
5383 PL_vtbl_regdatum,
5384 MEMBER_TO_FPTR(Perl_magic_regdatum_get),
5385 MEMBER_TO_FPTR(Perl_magic_regdatum_set),
abdc98d4
NC		 5386 0,
5387 0,
5388 0,
5389 0,
5390 0,
5391 0
4944113a
AL		 5392);
5393
5394MGVTBL_SET(
5395 PL_vtbl_amagic,
abdc98d4 5396 0,
4944113a 5397 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5398 0,
5399 0,
4944113a 5400 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5401 0,
5402 0,
5403 0
4944113a
AL		 5404);
5405
5406MGVTBL_SET(
5407 PL_vtbl_amagicelem,
abdc98d4 5408 0,
4944113a 5409 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5410 0,
5411 0,
4944113a 5412 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5413 0,
5414 0,
5415 0
4944113a
AL		 5416);
5417
5418MGVTBL_SET(
5419 PL_vtbl_backref,
abdc98d4
NC		 5420 0,
5421 0,
5422 0,
5423 0,
4944113a 5424 MEMBER_TO_FPTR(Perl_magic_killbackrefs),
abdc98d4
NC		 5425 0,
5426 0,
5427 0
4944113a
AL		 5428);
5429
5430MGVTBL_SET(
5431 PL_vtbl_ovrld,
abdc98d4
NC		 5432 0,
5433 0,
5434 0,
5435 0,
4944113a 5436 MEMBER_TO_FPTR(Perl_magic_freeovrld),
abdc98d4
NC		 5437 0,
5438 0,
5439 0
4944113a
AL		 5440);
5441
5442MGVTBL_SET(
5443 PL_vtbl_utf8,
abdc98d4 5444 0,
4944113a 5445 MEMBER_TO_FPTR(Perl_magic_setutf8),
abdc98d4
NC		 5446 0,
5447 0,
5448 0,
5449 0,
5450 0,
5451 0
4944113a 5452);
36477c24 5453#ifdef USE_LOCALE_COLLATE
4944113a
AL		 5454MGVTBL_SET(
5455 PL_vtbl_collxfrm,
abdc98d4 5456 0,
4944113a 5457 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
abdc98d4
NC		 5458 0,
5459 0,
5460 0,
5461 0,
5462 0,
5463 0
4944113a 5464);
bbce6d69 5465#endif
a0d0e21e 5466
b3ca2e83
NC		 5467MGVTBL_SET(
5468 PL_vtbl_hintselem,
abdc98d4 5469 0,
b3ca2e83 5470 MEMBER_TO_FPTR(Perl_magic_sethint),
abdc98d4 5471 0,
b3ca2e83 5472 MEMBER_TO_FPTR(Perl_magic_clearhint),
abdc98d4
NC		 5473 0,
5474 0,
5475 0,
5476 0
b3ca2e83
NC		 5477);
5478
f747ebd6
Z		 5479MGVTBL_SET(
5480 PL_vtbl_hints,
5481 0,
5482 0,
5483 0,
5484 MEMBER_TO_FPTR(Perl_magic_clearhints),
5485 0,
5486 0,
5487 0,
5488 0
5489);
5490
bab3dc31 5491#include "overload.h"
a0d0e21e 5492
73c4f7a1
GS		 5493END_EXTERN_C
5494
a6006777 5495struct am_table {
8175493d 5496 U32 flags;
eb160463 5497 U32 was_ok_sub;
a0d0e21e 5498 long was_ok_am;
a0d0e21e 5499 long fallback;
9bd87817 5500 CV* table[NofAMmeth];
a0d0e21e 5501};
a6006777 5502struct am_table_short {
8175493d 5503 U32 flags;
eb160463 5504 U32 was_ok_sub;
a6006777 5505 long was_ok_am;
a6006777 5506};
a0d0e21e 5507typedef struct am_table AMT;
a6006777 5508typedef struct am_table_short AMTS;
a0d0e21e
LW		 5509
5510#define AMGfallNEVER 1
5511#define AMGfallNO 2
5512#define AMGfallYES 3
5513
a6006777 5514#define AMTf_AMAGIC 1
32251b26 5515#define AMTf_OVERLOADED 2
a6006777 5516#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5517#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5518#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 5519#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
5520#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
5521#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 5522
32251b26 5523#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5524
5525/*
5526 * some compilers like to redefine cos et alia as faster
5527 * (and less accurate?) versions called F_cos et cetera (Quidquid
5528 * latine dictum sit, altum viditur.) This trick collides with
5529 * the Perl overloading (amg). The following #defines fool both.
5530 */
5531
5532#ifdef _FASTMATH
5533# ifdef atan2
5534# define F_atan2_amg atan2_amg
5535# endif
5536# ifdef cos
5537# define F_cos_amg cos_amg
5538# endif
5539# ifdef exp
5540# define F_exp_amg exp_amg
5541# endif
5542# ifdef log
5543# define F_log_amg log_amg
5544# endif
5545# ifdef pow
5546# define F_pow_amg pow_amg
5547# endif
5548# ifdef sin
5549# define F_sin_amg sin_amg
5550# endif
5551# ifdef sqrt
5552# define F_sqrt_amg sqrt_amg
5553# endif
5554#endif /* _FASTMATH */
5555
83ee9e09
GS		 5556#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5557 PERLDBf_NOOPT | PERLDBf_INTER | \
5558 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
b8fcbefe
NC		 5559 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5560 PERLDBf_SAVESRC)
925cfbb8 5561 /* No _NONAME, _GOTO */
83ee9e09
GS		 5562#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5563#define PERLDBf_LINE 0x02 /* Keep line # */
5564#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5565#define PERLDBf_INTER 0x08 /* Preserve more data for
5566 later inspections */
5567#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5568#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5569#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5570#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5571#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5572#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
b8fcbefe 5573#define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
c30d8139
NC		 5574#define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subrouties */
5575#define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
84902520 5576
3280af22
NIS		 5577#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5578#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5579#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5580#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5581#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5582#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5583#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5584#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5585#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5586#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
b8fcbefe 5587#define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC))
c30d8139
NC		 5588#define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS))
5589#define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID))
bbce6d69 5590
36477c24 5591#ifdef USE_LOCALE_NUMERIC
bbce6d69 5592
36477c24 5593#define SET_NUMERIC_STANDARD() \
ff4fed7c 5594 set_numeric_standard();
36477c24 5595
5596#define SET_NUMERIC_LOCAL() \
ff4fed7c 5597 set_numeric_local();
bbce6d69 5598
a98fe34d 5599#define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE)
2de3dbcc
JH		 5600#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
5601
5602#define IN_LOCALE \
923e4eb5 5603 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
2de3dbcc 5604
f93f4e46 5605#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 5606 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 5607 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 5608
5609#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 5610 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 5611 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 5612
5613#define RESTORE_NUMERIC_LOCAL() \
5614 if (was_local) SET_NUMERIC_LOCAL();
5615
5616#define RESTORE_NUMERIC_STANDARD() \
5617 if (was_standard) SET_NUMERIC_STANDARD();
5618
5b877257 5619#define Atof my_atof
097ee67d 5620
36477c24 5621#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5622
097ee67d
JH		 5623#define SET_NUMERIC_STANDARD() /**/
5624#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5625#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5626#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5627#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 5628#define RESTORE_NUMERIC_LOCAL() /**/
5629#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 5630#define Atof my_atof
ad3e0f90 5631#define IN_LOCALE_RUNTIME 0
bbce6d69 5632
36477c24 5633#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5634
079290de 5635#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5636# ifdef __hpux
5637# define strtoll __strtoll /* secret handshake */
5638# endif
c623ac67
GS		 5639# ifdef WIN64
5640# define strtoll _strtoi64 /* secret handshake */
5641# endif
079290de
GS		 5642# if !defined(Strtol) && defined(HAS_STRTOLL)
5643# define Strtol strtoll
ad551343 5644# endif
28e5dec8
JH		 5645# if !defined(Strtol) && defined(HAS_STRTOQ)
5646# define Strtol strtoq
5647# endif
ff935051 5648/* is there atoq() anywhere? */
15b99d39 5649#endif
079290de
GS		 5650#if !defined(Strtol) && defined(HAS_STRTOL)
5651# define Strtol strtol
5652#endif
5653#ifndef Atol
5654/* It would be more fashionable to use Strtol() to define atol()
5655 * (as is done for Atoul(), see below) but for backward compatibility
5656 * we just assume atol(). */
76b882ba 5657# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 5658# ifdef WIN64
5659# define atoll _atoi64 /* secret handshake */
5660# endif
76b882ba
JH		 5661# define Atol atoll
5662# else
5663# define Atol atol
5664# endif
cf2093f6
JH		 5665#endif
5666
55eb892c 5667#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5668# ifdef __hpux
5669# define strtoull __strtoull /* secret handshake */
5670# endif
c623ac67
GS		 5671# ifdef WIN64
5672# define strtoull _strtoui64 /* secret handshake */
5673# endif
ad551343 5674# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5675# define Strtoul strtoull
15b99d39 5676# endif
079290de
GS		 5677# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5678# define Strtoul strtouq
5679# endif
76d49b1c 5680/* is there atouq() anywhere? */
ad551343 5681#endif
079290de
GS		 5682#if !defined(Strtoul) && defined(HAS_STRTOUL)
5683# define Strtoul strtoul
cf2093f6 5684#endif
a5523c5b
JH		 5685#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5686# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5687#endif
079290de 5688#ifndef Atoul
d4c19fe8 5689# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5690#endif
cf2093f6 5691
760ac839 5692
06d86050
GS		 5693/* if these never got defined, they need defaults */
5694#ifndef PERL_SET_CONTEXT
5695# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5696#endif
5697
5698#ifndef PERL_GET_CONTEXT
5699# define PERL_GET_CONTEXT PERL_GET_INTERP
5700#endif
5701
5702#ifndef PERL_GET_THX
5703# define PERL_GET_THX ((void*)NULL)
5704#endif
5705
5706#ifndef PERL_SET_THX
5707# define PERL_SET_THX(t) NOOP
5708#endif
5709
a868473f
NIS		 5710#ifndef PERL_SCRIPT_MODE
5711#define PERL_SCRIPT_MODE "r"
5712#endif
5713
fba3b22e 5714/*
da927450
JH		 5715 * Some operating systems are stingy with stack allocation,
5716 * so perl may have to guard against stack overflow.
5717 */
5718#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5719#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5720#endif
5721
5722/*
5723 * Some nonpreemptive operating systems find it convenient to
5724 * check for asynchronous conditions after each op execution.
5725 * Keep this check simple, or it may slow down execution
5726 * massively.
5727 */
ce08f86c 5728
1d615522 5729#ifndef PERL_MICRO
4ffa73a3 5730# ifndef PERL_ASYNC_CHECK
16c91539 5731# define PERL_ASYNC_CHECK() if (PL_sig_pending) PL_signalhook(aTHX)
4ffa73a3 5732# endif
ce08f86c
NIS		 5733#endif
5734
da927450 5735#ifndef PERL_ASYNC_CHECK
1d615522 5736# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5737#endif
5738
5739/*
5740 * On some operating systems, a memory allocation may succeed,
5741 * but put the process too close to the system's comfort limit.
5742 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5743 * it to NULL.
5744 */
5745#ifndef PERL_ALLOC_CHECK
c2af87cb 5746#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5747#endif
5748
bd89102f
AD		 5749#ifdef HAS_SEM
5750# include <sys/ipc.h>
5751# include <sys/sem.h>
5752# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5753 union semun {
dbba660d
TC		 5754 int val;
5755 struct semid_ds *buf;
5756 unsigned short *array;
bd89102f
AD		 5757 };
5758# endif
5759# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5760# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5761 union gccbug_semun {
5762 int val;
5763 struct semid_ds *buf;
5764 unsigned short *array;
5765 char __dummy[5];
5766 };
5767# define semun gccbug_semun
5768# endif
bd89102f
AD		 5769# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5770# else
5771# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5772# ifdef EXTRA_F_IN_SEMUN_BUF
5773# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5774# else
5775# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5776# endif
bd89102f
AD		 5777# endif
5778# endif
bd89102f 5779#endif
49f531da 5780
89ca4ac7
JH		 5781/*
5782 * Boilerplate macros for initializing and accessing interpreter-local
5783 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 5784 * this, if you want to make the extension thread-safe. See
5785 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5786 * and perlxs.pod for more.
89ca4ac7
JH		 5787 *
5788 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5789 * 1. #define MY_CXT_KEY to a unique string, e.g.
5790 * "DynaLoader::_guts" XS_VERSION
f16dd614 5791 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5792 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5793 * all the data that needs to be interpreter-local.
5794 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5795 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5796 * (typically put in the BOOT: section).
5797 * 5. Use the members of the my_cxt_t structure everywhere as
5798 * MY_CXT.member.
5799 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5800 * access MY_CXT.
5801 */
5802
fc958cd2 5803#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 5804
4eddb856 5805/* START_MY_CXT must appear in all extensions that define a my_cxt_t structure,
53d44271
JH		 5806 * right after the definition (i.e. at file scope). The non-threads
5807 * case below uses it to declare the data as static. */
00ab59c9
DM		 5808# ifdef PERL_GLOBAL_STRUCT_PRIVATE
5809# define START_MY_CXT
5810# define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5811# define MY_CXT_INIT_ARG MY_CXT_KEY
5812# else
5813# define START_MY_CXT static int my_cxt_index = -1;
5814# define MY_CXT_INDEX my_cxt_index
5815# define MY_CXT_INIT_ARG &my_cxt_index
5816# endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
53d44271
JH		 5817
5818/* Creates and zeroes the per-interpreter data.
5819 * (We allocate my_cxtp in a Perl SV so that it will be released when
5820 * the interpreter goes away.) */
00ab59c9 5821# define MY_CXT_INIT \
53d44271 5822 my_cxt_t *my_cxtp = \
27cbf00a 5823 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t))
00ab59c9 5824# define MY_CXT_INIT_INTERP(my_perl) \
53d44271 5825 my_cxt_t *my_cxtp = \
27cbf00a 5826 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t))
53d44271
JH		 5827
5828/* This declaration should be used within all functions that use the
5829 * interpreter-local data. */
00ab59c9 5830# define dMY_CXT \
53d44271 5831 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
00ab59c9 5832# define dMY_CXT_INTERP(my_perl) \
53d44271
JH		 5833 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5834
5835/* Clones the per-interpreter data. */
00ab59c9 5836# define MY_CXT_CLONE \
53d44271
JH		 5837 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5838 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5839 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5840
53d44271 5841
89ca4ac7
JH		 5842/* This macro must be used to access members of the my_cxt_t structure.
5843 * e.g. MYCXT.some_data */
00ab59c9 5844# define MY_CXT (*my_cxtp)
89ca4ac7
JH		 5845
5846/* Judicious use of these macros can reduce the number of times dMY_CXT
5847 * is used. Use is similar to pTHX, aTHX etc. */
00ab59c9
DM		 5848# define pMY_CXT my_cxt_t *my_cxtp
5849# define pMY_CXT_ pMY_CXT,
5850# define _pMY_CXT ,pMY_CXT
5851# define aMY_CXT my_cxtp
5852# define aMY_CXT_ aMY_CXT,
5853# define _aMY_CXT ,aMY_CXT
89ca4ac7 5854
f16dd614 5855#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7 5856
00ab59c9
DM		 5857# define START_MY_CXT static my_cxt_t my_cxt;
5858# define dMY_CXT_SV dNOOP
5859# define dMY_CXT dNOOP
5860# define dMY_CXT_INTERP(my_perl) dNOOP
5861# define MY_CXT_INIT NOOP
5862# define MY_CXT_CLONE NOOP
5863# define MY_CXT my_cxt
5864
5865# define pMY_CXT void
5866# define pMY_CXT_
5867# define _pMY_CXT
5868# define aMY_CXT
5869# define aMY_CXT_
5870# define _aMY_CXT
89ca4ac7 5871
f16dd614 5872#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5873
9a34ef1d
GS		 5874#ifdef I_FCNTL
5875# include <fcntl.h>
9a34ef1d
GS		 5876#endif
5877
9cffb111
OS		 5878#ifdef __Lynx__
5879# include <fcntl.h>
5880#endif
5881
9a34ef1d
GS		 5882#ifdef I_SYS_FILE
5883# include <sys/file.h>
5884#endif
5885
fa0a29af 5886#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5887int flock(int fd, int op);
5888#endif
5889
fe52b3b7
GS		 5890#ifndef O_RDONLY
5891/* Assume UNIX defaults */
5892# define O_RDONLY 0000
5893# define O_WRONLY 0001
5894# define O_RDWR 0002
5895# define O_CREAT 0100
5896#endif
9a34ef1d 5897
16fe6d59
GS		 5898#ifndef O_BINARY
5899# define O_BINARY 0
5900#endif
5901
5902#ifndef O_TEXT
5903# define O_TEXT 0
5904#endif
5905
6ce75a77
JH		 5906#if O_TEXT != O_BINARY
5907 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5908 * that is, you are somehow DOSish. */
df00ff3b
IW		 5909# if defined(__BEOS__) || defined(__HAIKU__) || defined(__VOS__) || \
5910 defined(__CYGWIN__)
5911 /* BeOS/Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5912 * BeOS/Haiku is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5913 /* VOS has O_TEXT != O_BINARY, and they have effect,
5914 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5915 /* If you have O_TEXT different from your O_BINARY but you still are
5916 * not a CRLF shop. */
35990314 5917# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5918# else
5919 /* If you really are DOSish. */
5920# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5921# endif
5922#endif
5923
4bc88a62
PS		 5924#ifdef I_LIBUTIL
5925# include <libutil.h> /* setproctitle() in some FreeBSDs */
5926#endif
5927
b4748376 5928#ifndef EXEC_ARGV_CAST
360ea906 5929#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 5930#endif
5931
dd5dc04f
JH		 5932#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5933 int). value returned in pointed-
5934 to UV */
5935#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5936#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5937#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5938#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5939#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5940
5941#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5942
53305cf1
NC		 5943/* Input flags: */
5944#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5945#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5946#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 5947/* Output flags: */
5948#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5949
2c4f7f0e
DM		 5950/* to let user control profiling */
5951#ifdef PERL_GPROF_CONTROL
5952extern void moncontrol(int);
5953#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5954#else
5955#define PERL_GPROF_MONCONTROL(x)
5956#endif
5957
ae0e3d3b
JH		 5958#ifdef UNDER_CE
5959#include "wince.h"
5960#endif
5961
5962/* ISO 6429 NEL - C1 control NExt Line */
5963/* See http://www.unicode.org/unicode/reports/tr13/ */
5964#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
5965# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
5966# define NEXT_LINE_CHAR 0x15
5967# else /* CDRA */
5968# define NEXT_LINE_CHAR 0x25
5969# endif
5970#else
5971# define NEXT_LINE_CHAR 0x85
5972#endif
5973
5974/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5975#define UNICODE_LINE_SEPA_0 0xE2
5976#define UNICODE_LINE_SEPA_1 0x80
5977#define UNICODE_LINE_SEPA_2 0xA8
5978#define UNICODE_PARA_SEPA_0 0xE2
5979#define UNICODE_PARA_SEPA_1 0x80
5980#define UNICODE_PARA_SEPA_2 0xA9
5981
479b2847
GS		 5982#ifndef PIPESOCK_MODE
5983# define PIPESOCK_MODE
5984#endif
5985
460c8493
IZ		 5986#ifndef SOCKET_OPEN_MODE
5987# define SOCKET_OPEN_MODE PIPESOCK_MODE
5988#endif
5989
5990#ifndef PIPE_OPEN_MODE
5991# define PIPE_OPEN_MODE PIPESOCK_MODE
5992#endif
5993
7e8c5dac
HS		 5994#define PERL_MAGIC_UTF8_CACHESIZE 2
5995
a05d7ebb
JH		 5996#define PERL_UNICODE_STDIN_FLAG 0x0001
5997#define PERL_UNICODE_STDOUT_FLAG 0x0002
5998#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5999#define PERL_UNICODE_IN_FLAG 0x0008
6000#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 6001#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 6002#define PERL_UNICODE_LOCALE_FLAG 0x0040
6003#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 6004#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 6005
06e66572
JH		 6006#define PERL_UNICODE_STD_FLAG \
6007 (PERL_UNICODE_STDIN_FLAG | \
6008 PERL_UNICODE_STDOUT_FLAG | \
6009 PERL_UNICODE_STDERR_FLAG)
6010
6011#define PERL_UNICODE_INOUT_FLAG \
6012 (PERL_UNICODE_IN_FLAG | \
6013 PERL_UNICODE_OUT_FLAG)
6014
6015#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 6016 (PERL_UNICODE_STD_FLAG | \
6017 PERL_UNICODE_INOUT_FLAG | \
6018 PERL_UNICODE_LOCALE_FLAG)
6019
5a22a2bb 6020#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 6021
6022#define PERL_UNICODE_STDIN 'I'
6023#define PERL_UNICODE_STDOUT 'O'
6024#define PERL_UNICODE_STDERR 'E'
6025#define PERL_UNICODE_STD 'S'
6026#define PERL_UNICODE_IN 'i'
6027#define PERL_UNICODE_OUT 'o'
6028#define PERL_UNICODE_INOUT 'D'
6029#define PERL_UNICODE_ARGV 'A'
6030#define PERL_UNICODE_LOCALE 'L'
6031#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 6032#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 6033
4ffa73a3
JH		 6034#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
6035
16bd9a85
JH		 6036/* From sigaction(2) (FreeBSD man page):
6037 * | Signal routines normally execute with the signal that
6038 * | caused their invocation blocked, but other signals may
6039 * | yet occur.
6040 * Emulation of this behavior (from within Perl) is enabled
6041 * by defining PERL_BLOCK_SIGNALS.
6042 */
6043#define PERL_BLOCK_SIGNALS
6044
6045#if defined(HAS_SIGPROCMASK) && defined(PERL_BLOCK_SIGNALS)
6046# define PERL_BLOCKSIG_ADD(set,sig) \
6047 sigset_t set; sigemptyset(&(set)); sigaddset(&(set), sig)
6048# define PERL_BLOCKSIG_BLOCK(set) \
6049 sigprocmask(SIG_BLOCK, &(set), NULL)
6050# define PERL_BLOCKSIG_UNBLOCK(set) \
6051 sigprocmask(SIG_UNBLOCK, &(set), NULL)
6052#endif /* HAS_SIGPROCMASK && PERL_BLOCK_SIGNALS */
6053
6054/* How about the old style of sigblock()? */
6055
6056#ifndef PERL_BLOCKSIG_ADD
6057# define PERL_BLOCKSIG_ADD(set, sig) NOOP
6058#endif
6059#ifndef PERL_BLOCKSIG_BLOCK
6060# define PERL_BLOCKSIG_BLOCK(set) NOOP
6061#endif
2bfba5f0 6062#ifndef PERL_BLOCKSIG_UNBLOCK
16bd9a85
JH		 6063# define PERL_BLOCKSIG_UNBLOCK(set) NOOP
6064#endif
6065
32fdb065 6066/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 6067 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 6068#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
6069
3c0f78ca
JH		 6070#if defined(__DECC) && defined(__osf__)
6071#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 6072#endif
6073
e4dba786
NC		 6074#define do_open(g, n, l, a, rm, rp, sf) \
6075 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 6076#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 6077# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 6078#endif
15871fce
NC		 6079#ifdef OS2
6080# define do_aexec Perl_do_aexec
6081#else
6082# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 6083#endif
e4dba786 6084
2f3efc97
JH		 6085#if defined(OEMVS)
6086#define NO_ENV_ARRAY_IN_MAIN
6087#endif
6088
00f254e2
KW		 6089/* These are used by Perl_pv_escape() and Perl_pv_pretty()
6090 * are here so that they are available throughout the core
10edeb5d
JH		 6091 * NOTE that even though some are for _escape and some for _pretty
6092 * there must not be any clashes as the flags from _pretty are
6093 * passed straight through to _escape.
6094 */
6095
6096#define PERL_PV_ESCAPE_QUOTE 0x0001
6097#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
6098
95b611b0 6099#define PERL_PV_PRETTY_ELLIPSES 0x0002
10edeb5d
JH		 6100#define PERL_PV_PRETTY_LTGT 0x0004
6101
6102#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
6103
00f254e2 6104#define PERL_PV_ESCAPE_UNI 0x0100
10edeb5d
JH		 6105#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
6106
6107#define PERL_PV_ESCAPE_ALL 0x1000
6108#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
6109#define PERL_PV_ESCAPE_NOCLEAR 0x4000
44a2ac75 6110#define PERL_PV_ESCAPE_RE 0x8000
10edeb5d 6111
881a015e
NC		 6112#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
6113
10edeb5d 6114/* used by pv_display in dump.c*/
95b611b0
RGS		 6115#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
6116#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE
10edeb5d
JH		 6117
6118/*
6119
6120 (KEEP THIS LAST IN perl.h!)
6121
6122 Mention
d460ef45 6123
43999f95 6124 NV_PRESERVES_UV
fe749a9f 6125
fe749a9f
JH		 6126 HAS_MKSTEMP
6127 HAS_MKSTEMPS
6128 HAS_MKDTEMP
6129
49dabb45
JH		 6130 HAS_GETCWD
6131
d59b5429 6132 HAS_MMAP
fe749a9f
JH		 6133 HAS_MPROTECT
6134 HAS_MSYNC
1e8c3fde 6135 HAS_MADVISE
fe749a9f
JH		 6136 HAS_MUNMAP
6137 I_SYSMMAN
6138 Mmap_t
6139
6b4667fc
A		 6140 NVef
6141 NVff
6142 NVgf
6143
4e0554ec 6144 HAS_UALARM
2d736872 6145 HAS_USLEEP
4e0554ec
JH		 6146
6147 HAS_SETITIMER
6148 HAS_GETITIMER
6149
6150 HAS_SENDMSG
6151 HAS_RECVMSG
6152 HAS_READV
6153 HAS_WRITEV
6154 I_SYSUIO
6155 HAS_STRUCT_MSGHDR
6156 HAS_STRUCT_CMSGHDR
6157
2765b840 6158 HAS_NL_LANGINFO
0a7020c9 6159
ae0e3d3b 6160 HAS_DIRFD
2765b840 6161
10edeb5d 6162 so that Configure picks them up.
ab3bbdeb 6163
10edeb5d 6164 (KEEP THIS LAST IN perl.h!)
3df15adc 6165
10edeb5d 6166*/
3df15adc 6167
85e6fe83 6168#endif /* Include guard */
e9a8c099
MHM		 6169
6170/*
6171 * Local variables:
6172 * c-indentation-style: bsd
6173 * c-basic-offset: 4
6174 * indent-tabs-mode: t
6175 * End:
6176 *
6177 * ex: set ts=8 sts=4 sw=4 noet:
6178 */
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