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[RT #36079] Convert ` to '.
[perl5.git] / perl.h
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
1129b882 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
5cd3f21a 4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
00f254e2 31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
b0f06652
VK		 37# ifndef USE_CROSS_COMPILE
38# include "config.h"
39# else
40# include "xconfig.h"
41# endif
12ae5dfc 42#endif
0cb96387 43
2c2d71f5
JH		 44/* See L<perlguts/"The Perl API"> for detailed notes on
45 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
46
ac6bedea
JH		 47/* Note that from here --> to <-- the same logic is
48 * repeated in makedef.pl, so be certain to update
49 * both places when editing. */
50
894ccb8c
JH		 51#ifdef PERL_IMPLICIT_SYS
52/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
53 so use slab allocator to avoid lots of MUTEX overhead
54 */
55# ifndef PL_OP_SLAB_ALLOC
56# define PL_OP_SLAB_ALLOC
57# endif
ba979b31
NIS		 58#endif
59
6f4183fe 60#ifdef USE_ITHREADS
acfe0abc 61# if !defined(MULTIPLICITY)
6f4183fe
GS		 62# define MULTIPLICITY
63# endif
64#endif
65
27da23d5
JH		 66#ifdef PERL_GLOBAL_STRUCT_PRIVATE
67# ifndef PERL_GLOBAL_STRUCT
68# define PERL_GLOBAL_STRUCT
69# endif
70#endif
97aff369 71
27da23d5
JH		 72#ifdef PERL_GLOBAL_STRUCT
73# ifndef MULTIPLICITY
74# define MULTIPLICITY
75# endif
76#endif
77
97aff369
JH		 78#ifdef MULTIPLICITY
79# ifndef PERL_IMPLICIT_CONTEXT
80# define PERL_IMPLICIT_CONTEXT
81# endif
82#endif
83
026fd48b
GH		 84/* undef WIN32 when building on Cygwin (for libwin32) - gph */
85#ifdef __CYGWIN__
86# undef WIN32
87# undef _WIN32
88#endif
89
27da23d5
JH		 90#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
91# ifndef SYMBIAN
92# define SYMBIAN
93# endif
94#endif
95
a0fd4948 96#ifdef __SYMBIAN32__
27da23d5
JH		 97# include "symbian/symbian_proto.h"
98#endif
99
100/* Any stack-challenged places. The limit varies (and often
101 * is configurable), but using more than a kilobyte of stack
102 * is usually dubious in these systems. */
a0fd4948 103#if defined(EPOC) || defined(__SYMBIAN32__)
27da23d5
JH		 104/* EPOC/Symbian: need to work around the SDK features. *
105 * On WINS: MS VC5 generates calls to _chkstk, *
106 * if a "large" stack frame is allocated. *
107 * gcc on MARM does not generate calls like these. */
108# define USE_HEAP_INSTEAD_OF_STACK
109#endif
110
111#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 112/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 113#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 114# define USE_REENTRANT_API
115#endif
116
ac6bedea
JH		 117/* <--- here ends the logic shared by perl.h and makedef.pl */
118
af28e889 119/*
6239f2da
JH		 120 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
121 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 122 * __bsdi__ for BSD/OS
123 */
6239f2da 124#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 125# ifndef BSDish
126# define BSDish
127# endif
128#endif
129
cf5a8da6
MHM		 130#undef START_EXTERN_C
131#undef END_EXTERN_C
132#undef EXTERN_C
133#ifdef __cplusplus
134# define START_EXTERN_C extern "C" {
135# define END_EXTERN_C }
136# define EXTERN_C extern "C"
137#else
138# define START_EXTERN_C
139# define END_EXTERN_C
140# define EXTERN_C extern
141#endif
142
17a6c8e3
AD		 143/* Fallback definitions in case we don't have definitions from config.h.
144 This should only matter for systems that don't use Configure and
145 haven't been modified to define PERL_STATIC_INLINE yet.
146*/
147#if !defined(PERL_STATIC_INLINE)
148# ifdef HAS_STATIC_INLINE
149# define PERL_STATIC_INLINE static inline
150# else
151# define PERL_STATIC_INLINE static
152# endif
153#endif
154
27da23d5
JH		 155#ifdef PERL_GLOBAL_STRUCT
156# ifndef PERL_GET_VARS
157# ifdef PERL_GLOBAL_STRUCT_PRIVATE
cf5a8da6 158 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
27da23d5
JH		 159# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
160# ifndef PERLIO_FUNCS_CONST
161# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
162# endif
163# else
164# define PERL_GET_VARS() PL_VarsPtr
165# endif
166# endif
167#endif
168
7a89be66 169#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH		 170
171#ifdef PERL_GLOBAL_STRUCT
172# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
173#else
174# define dVAR dNOOP
175#endif
176
c5be433b 177#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 178# ifndef MULTIPLICITY
179# define MULTIPLICITY
c5be433b 180# endif
e8dda941 181# define tTHX PerlInterpreter*
5ba4cab2 182# define pTHX register tTHX my_perl PERL_UNUSED_DECL
3db8f154 183# define aTHX my_perl
27da23d5 184# ifdef PERL_GLOBAL_STRUCT
e8dda941 185# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 186# else
e8dda941 187# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH		 188# endif
189# ifdef PERL_GLOBAL_STRUCT
190# define dTHX dVAR; pTHX = PERL_GET_THX
191# else
192# define dTHX pTHX = PERL_GET_THX
193# endif
c5be433b 194# define pTHX_ pTHX,
c5be433b 195# define aTHX_ aTHX,
4373e329 196# define pTHX_1 2
894356b3
GS		 197# define pTHX_2 3
198# define pTHX_3 4
199# define pTHX_4 5
4373e329
AL		 200# define pTHX_5 6
201# define pTHX_6 7
a3b680e6
AL		 202# define pTHX_7 8
203# define pTHX_8 9
204# define pTHX_9 10
e8dda941
JD		 205# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
206# define PERL_TRACK_MEMPOOL
207# endif
208#else
209# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 210#endif
211
76e3520e 212#define STATIC static
16c91539
BM		 213
214#ifndef PERL_CORE
215/* Do not use these macros. They were part of PERL_OBJECT, which was an
216 * implementation of multiplicity using C++ objects. They have been left
217 * here solely for the sake of XS code which has incorrectly
218 * cargo-culted them.
219 */
76e3520e 220#define CPERLscope(x) x
565764a8 221#define CPERLarg void
76e3520e 222#define CPERLarg_
e3b8966e 223#define _CPERLarg
1d583055
GS		 224#define PERL_OBJECT_THIS
225#define _PERL_OBJECT_THIS
226#define PERL_OBJECT_THIS_
312caa8e 227#define CALL_FPTR(fptr) (*fptr)
ef69c8fc 228#define MEMBER_TO_FPTR(name) name
16c91539 229#endif /* !PERL_CORE */
76e3520e 230
16c91539 231#define CALLRUNOPS PL_runops
f9f4320a 232
3ab4a224 233#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 234
16c91539 235#define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
f9f4320a 236#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
16c91539 237 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
f9f4320a
YO		 238 (strbeg),(minend),(screamer),(data),(flags))
239#define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \
16c91539 240 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strpos), \
f9f4320a
YO		 241 (strend),(flags),(data))
242#define CALLREG_INTUIT_STRING(prog) \
16c91539 243 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
f8149455 244
f8149455
YO		 245#define CALLREGFREE(prog) \
246 Perl_pregfree(aTHX_ (prog))
247
248#define CALLREGFREE_PVT(prog) \
16c91539 249 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
f8149455 250
2fdbfb4d 251#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
16c91539 252 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
93b32b6d 253
2fdbfb4d 254#define CALLREG_NUMBUF_STORE(rx,paren,value) \
16c91539 255 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
2fdbfb4d
AB		 256
257#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
16c91539 258 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
2fdbfb4d 259
192b9cd1 260#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
16c91539 261 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
192b9cd1
AB		 262
263#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
16c91539 264 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
192b9cd1
AB		 265
266#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
16c91539 267 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB		 268
269#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
16c91539 270 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB		 271
272#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
16c91539 273 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB		 274
275#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
16c91539 276 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB		 277
278#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
16c91539 279 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB		 280
281#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
16c91539 282 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
AB		 283
284#define CALLREG_NAMED_BUFF_COUNT(rx) \
16c91539 285 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
192b9cd1
AB		 286
287#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
16c91539 288 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 289
49d7dfbc 290#define CALLREG_PACKAGE(rx) \
16c91539 291 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
93b32b6d 292
00f254e2 293#if defined(USE_ITHREADS)
f9f4320a 294#define CALLREGDUPE(prog,param) \
f8149455
YO		 295 Perl_re_dup(aTHX_ (prog),(param))
296
297#define CALLREGDUPE_PVT(prog,param) \
16c91539 298 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
00f254e2 299 : (REGEXP *)NULL)
f9f4320a 300#endif
14dd3ad8 301
a20207d7 302
bcdf7404 303
a20207d7
YO		 304
305
5ba4cab2
SH		 306/*
307 * Because of backward compatibility reasons the PERL_UNUSED_DECL
308 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
309 *
310 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 311 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 312 * marking unused variables (they need e.g. a #pragma) and therefore
313 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
314 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
315 *
316 */
1266ad8c 317
9969cdde 318#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 319# ifdef __cplusplus
5ba4cab2 320# define PERL_UNUSED_DECL
5b2bd0a5 321# else
5ba4cab2 322# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 323# endif
324#endif
44dbb695 325
5b2bd0a5 326#ifndef PERL_UNUSED_DECL
34659ad4 327# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 328# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 329# else
5ba4cab2 330# define PERL_UNUSED_DECL
b79c357a 331# endif
5b2bd0a5 332#endif
00f254e2 333
349b520e
DM		 334/* gcc -Wall:
335 * for silencing unused variables that are actually used most of the time,
a0288114 336 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 337 */
53c1dcc0 338#ifndef PERL_UNUSED_ARG
c99ffe5e 339# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 340# include <note.h>
53c1dcc0 341# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 342# else
53c1dcc0 343# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 344# endif
345#endif
53c1dcc0
AL		 346#ifndef PERL_UNUSED_VAR
347# define PERL_UNUSED_VAR(x) ((void)x)
348#endif
ad73156c 349
96a5add6
AL		 350#ifdef USE_ITHREADS
351# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
352#else
353# define PERL_UNUSED_CONTEXT
354#endif
355
6f207bd3 356#define NOOP /*EMPTY*/(void)0
bafdc25d
NC		 357/* cea2e8a9dd23747f accidentally lost the comment originally from the first
358 check in of thread.h, explaining why we need dNOOP at all: */
359/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
360/* Declaring a *function*, instead of a variable, ensures that we don't rely
361 on being able to suppress "unused" warnings. */
64a8239e 362#define dNOOP extern int Perl___notused(void)
71be2cbc 363
0cb96387 364#ifndef pTHX
e8dda941
JD		 365/* Don't bother defining tTHX and sTHX; using them outside
366 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
367 */
0cb96387
GS		 368# define pTHX void
369# define pTHX_
0cb96387
GS		 370# define aTHX
371# define aTHX_
0cb96387
GS		 372# define dTHXa(a) dNOOP
373# define dTHX dNOOP
894356b3
GS		 374# define pTHX_1 1
375# define pTHX_2 2
376# define pTHX_3 3
377# define pTHX_4 4
3d42dc86
RGS		 378# define pTHX_5 5
379# define pTHX_6 6
a3b680e6
AL		 380# define pTHX_7 7
381# define pTHX_8 8
382# define pTHX_9 9
0cb96387
GS		 383#endif
384
27da23d5
JH		 385#ifndef dVAR
386# define dVAR dNOOP
387#endif
388
b4f7f263
GS		 389/* these are only defined for compatibility; should not be used internally */
390#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 391# define pTHXo pTHX
392# define pTHXo_ pTHX_
0cb96387
GS		 393# define aTHXo aTHX
394# define aTHXo_ aTHX_
c5be433b 395# define dTHXo dTHX
71d280e3 396# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 397#endif
398
399#ifndef pTHXx
400# define pTHXx register PerlInterpreter *my_perl
401# define pTHXx_ pTHXx,
0cb96387
GS		 402# define aTHXx my_perl
403# define aTHXx_ aTHXx,
c5be433b 404# define dTHXx dTHX
22c35a8c 405#endif
71be2cbc 406
1de7c2ac
GS		 407/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
408 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
409 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
410#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 411# ifdef PERL_GLOBAL_STRUCT_PRIVATE
412# define dTHXs dVAR; dTHX
413# else
414# define dTHXs dTHX
415# endif
1de7c2ac 416#else
27da23d5
JH		 417# ifdef PERL_GLOBAL_STRUCT_PRIVATE
418# define dTHXs dVAR
419# else
420# define dTHXs dNOOP
421# endif
1de7c2ac
GS		 422#endif
423
27da23d5
JH		 424/* Some platforms require marking function declarations
425 * for them to be exportable. Used in perlio.h, proto.h
426 * is handled either by the makedef.pl or by defining the
427 * PERL_CALLCONV to be something special. See also the
428 * definition of XS() in XSUB.h. */
429#ifndef PERL_EXPORT_C
a0c21aa1
JH		 430# ifdef __cplusplus
431# define PERL_EXPORT_C extern "C"
432# else
433# define PERL_EXPORT_C extern
434# endif
27da23d5
JH		 435#endif
436#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 437# ifdef __cplusplus
438# define PERL_XS_EXPORT_C extern "C"
439# else
440# define PERL_XS_EXPORT_C
441# endif
27da23d5
JH		 442#endif
443
462e5cf6
MB		 444#ifdef OP_IN_REGISTER
445# ifdef __GNUC__
446# define stringify_immed(s) #s
447# define stringify(s) stringify_immed(s)
d1ca3daa 448register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 449# endif
450#endif
451
e5afc1ae 452/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 453 * g++ allows them but seems to have problems with them
70aab261
RB		 454 * (insane errors ensue).
455 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
456 */
457#if defined(PERL_GCC_PEDANTIC) || \
458 (defined(__GNUC__) && defined(__cplusplus) && \
459 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 460# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 461# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
462# endif
5dc8bdac
JH		 463#endif
464
5b692037
JH		 465#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
466# ifndef PERL_USE_GCC_BRACE_GROUPS
467# define PERL_USE_GCC_BRACE_GROUPS
468# endif
469#endif
470
728e2803 471/*
472 * STMT_START { statements; } STMT_END;
473 * can be used as a single statement, as in
474 * if (x) STMT_START { ... } STMT_END; else ...
475 *
476 * Trying to select a version that gives no warnings...
477 */
478#if !(defined(STMT_START) && defined(STMT_END))
5b692037 479# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 480# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 481# define STMT_END )
482# else
483 /* Now which other defined()s do we need here ??? */
93189314 484# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 485# define STMT_START if (1)
486# define STMT_END else (void)0
487# else
488# define STMT_START do
489# define STMT_END while (0)
490# endif
491# endif
492#endif
493
d6f9c181
JH		 494#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
495# define BYTEORDER 0x1234
79072805
LW		 496#endif
497
498/* Overall memory policy? */
499#ifndef CONSERVATIVE
500# define LIBERAL 1
501#endif
502
8ada0baa
JH		 503#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
504#define ASCIIish
505#else
506#undef ASCIIish
507#endif
508
79072805
LW		 509/*
510 * The following contortions are brought to you on behalf of all the
511 * standards, semi-standards, de facto standards, not-so-de-facto standards
512 * of the world, as well as all the other botches anyone ever thought of.
513 * The basic theory is that if we work hard enough here, the rest of the
514 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
515 */
ac58e20f 516
ee0007ab 517/* define this once if either system, instead of cluttering up the src */
2986a63f 518#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 519#define DOSISH 1
520#endif
521
fb38d079 522#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 523# define STANDARD_C 1
524#endif
525
9969cdde 526#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 527# define DONT_DECLARE_STD 1
528#endif
529
352d5a3a 530#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 531# define VOL volatile
663a0e37 532#else
79072805 533# define VOL
663a0e37
LW		 534#endif
535
3280af22
NIS		 536#define TAINT (PL_tainted = TRUE)
537#define TAINT_NOT (PL_tainted = FALSE)
538#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
539#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 540#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 541
20be6587
DM		 542/* flags used internally only within pp_subst and pp_substcont */
543#ifdef PERL_CORE
544# define SUBST_TAINT_STR 1 /* string tainted */
545# define SUBST_TAINT_PAT 2 /* pattern tainted */
546# define SUBST_TAINT_REPL 4 /* replacement tainted */
547# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
548# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
549#endif
550
d460ef45 551/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 552 defines move there? If so, I could simplify this a lot. --AD 9/96.
553*/
554/* Process group stuff changed from traditional BSD to POSIX.
555 perlfunc.pod documents the traditional BSD-style syntax, so we'll
556 try to preserve that, if possible.
557*/
558#ifdef HAS_SETPGID
559# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 560#else
a6e633de 561# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
562# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
563# else
564# ifdef HAS_SETPGRP2 /* DG/UX */
565# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
566# endif
567# endif
568#endif
569#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
570# define HAS_SETPGRP /* Well, effectively it does . . . */
571#endif
572
573/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
574 our life easier :-) so we'll try it.
575*/
576#ifdef HAS_GETPGID
577# define BSD_GETPGRP(pid) getpgid((pid))
578#else
579# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
580# define BSD_GETPGRP(pid) getpgrp((pid))
581# else
582# ifdef HAS_GETPGRP2 /* DG/UX */
583# define BSD_GETPGRP(pid) getpgrp2((pid))
584# endif
585# endif
586#endif
587#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
588# define HAS_GETPGRP /* Well, effectively it does . . . */
589#endif
590
d460ef45 591/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 592 have different behaviors, but perl.h used to define USE_BSDPGRP
593 (prior to 5.003_05) so some extension might depend on it.
594*/
595#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
596# ifndef USE_BSDPGRP
597# define USE_BSDPGRP
598# endif
663a0e37
LW		 599#endif
600
486ec47a 601/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH		 602 pthread.h must be included before all other header files.
603*/
3db8f154 604#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 605# include <pthread.h>
606#endif
607
760ac839
LW		 608#ifndef _TYPES_ /* If types.h defines this it's easy. */
609# ifndef major /* Does everyone's types.h define this? */
610# include <sys/types.h>
c07a80fd 611# endif
663a0e37
LW		 612#endif
613
760ac839
LW		 614#ifdef __cplusplus
615# ifndef I_STDARG
616# define I_STDARG 1
617# endif
618#endif
619
620#ifdef I_STDARG
621# include <stdarg.h>
622#else
623# ifdef I_VARARGS
624# include <varargs.h>
625# endif
626#endif
627
4633a7c4 628#ifdef USE_NEXT_CTYPE
0c30d9ec 629
092bebab
JH		 630#if NX_CURRENT_COMPILER_RELEASE >= 500
631# include <bsd/ctypes.h>
632#else
633# if NX_CURRENT_COMPILER_RELEASE >= 400
634# include <objc/NXCType.h>
635# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
636# include <appkit/NXCType.h>
637# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
638#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 639
640#else /* !USE_NEXT_CTYPE */
fe14fcc3 641#include <ctype.h>
0c30d9ec 642#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 643
644#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
645#undef METHOD
a0d0e21e
LW		 646#endif
647
12ae5dfc
JH		 648#ifdef PERL_MICRO
649# define NO_LOCALE
650#endif
651
4633a7c4 652#ifdef I_LOCALE
36477c24 653# include <locale.h>
4633a7c4
LW		 654#endif
655
36477c24 656#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
657# define USE_LOCALE
658# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
659 && defined(HAS_STRXFRM)
660# define USE_LOCALE_COLLATE
661# endif
662# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
663# define USE_LOCALE_CTYPE
664# endif
665# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
666# define USE_LOCALE_NUMERIC
667# endif
668#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 669
fe14fcc3 670#include <setjmp.h>
79072805 671
a0d0e21e 672#ifdef I_SYS_PARAM
79072805
LW		 673# ifdef PARAM_NEEDS_TYPES
674# include <sys/types.h>
675# endif
676# include <sys/param.h>
352d5a3a 677#endif
79072805 678
79072805 679/* Use all the "standard" definitions? */
a0d0e21e 680#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 681# include <stdlib.h>
ff68c719 682#endif
03a14243 683
3f270f98
JH		 684/* If this causes problems, set i_unistd=undef in the hint file. */
685#ifdef I_UNISTD
686# include <unistd.h>
687#endif
688
de8ca8af
NT		 689/* for WCOREDUMP */
690#ifdef I_SYS_WAIT
691# include <sys/wait.h>
692#endif
693
9969cdde 694#ifdef __SYMBIAN32__
27da23d5
JH		 695# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
696#endif
697
7114a2d2 698#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 699EXTERN_C int syscall(int, ...);
2ef53570
JH		 700#endif
701
7114a2d2 702#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 703EXTERN_C int usleep(unsigned int);
2ef53570
JH		 704#endif
705
9c12f1e5
RGS		 706/* Funky places that do not have socket stuff. */
707#if defined(__LIBCATAMOUNT__)
708# define MYSWAP
709#endif
710
9a34ef1d
GS		 711#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
712# define MYSWAP
713#endif
714
1109a392
MHM		 715#ifdef PERL_CORE
716
717/* macros for correct constant construction */
718# if INTSIZE >= 2
719# define U16_CONST(x) ((U16)x##U)
720# else
721# define U16_CONST(x) ((U16)x##UL)
722# endif
723
724# if INTSIZE >= 4
725# define U32_CONST(x) ((U32)x##U)
726# else
727# define U32_CONST(x) ((U32)x##UL)
728# endif
729
730# ifdef HAS_QUAD
731# if INTSIZE >= 8
732# define U64_CONST(x) ((U64)x##U)
733# elif LONGSIZE >= 8
734# define U64_CONST(x) ((U64)x##UL)
735# elif QUADKIND == QUAD_IS_LONG_LONG
736# define U64_CONST(x) ((U64)x##ULL)
737# else /* best guess we can make */
738# define U64_CONST(x) ((U64)x##UL)
739# endif
740# endif
741
742/* byte-swapping functions for big-/little-endian conversion */
743# define _swab_16_(x) ((U16)( \
744 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
745 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
746
747# define _swab_32_(x) ((U32)( \
748 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
749 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
750 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
751 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
752
753# ifdef HAS_QUAD
754# define _swab_64_(x) ((U64)( \
755 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
756 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
757 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
758 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
759 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
760 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
761 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
762 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
763# endif
764
765/*----------------------------------------------------------------------------*/
766# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
767/*----------------------------------------------------------------------------*/
768# define my_htole16(x) (x)
769# define my_letoh16(x) (x)
770# define my_htole32(x) (x)
771# define my_letoh32(x) (x)
772# define my_htobe16(x) _swab_16_(x)
773# define my_betoh16(x) _swab_16_(x)
774# define my_htobe32(x) _swab_32_(x)
775# define my_betoh32(x) _swab_32_(x)
776# ifdef HAS_QUAD
777# define my_htole64(x) (x)
778# define my_letoh64(x) (x)
779# define my_htobe64(x) _swab_64_(x)
780# define my_betoh64(x) _swab_64_(x)
781# endif
782# define my_htoles(x) (x)
783# define my_letohs(x) (x)
784# define my_htolei(x) (x)
785# define my_letohi(x) (x)
786# define my_htolel(x) (x)
787# define my_letohl(x) (x)
788# if SHORTSIZE == 1
789# define my_htobes(x) (x)
790# define my_betohs(x) (x)
791# elif SHORTSIZE == 2
792# define my_htobes(x) _swab_16_(x)
793# define my_betohs(x) _swab_16_(x)
794# elif SHORTSIZE == 4
795# define my_htobes(x) _swab_32_(x)
796# define my_betohs(x) _swab_32_(x)
797# elif SHORTSIZE == 8
798# define my_htobes(x) _swab_64_(x)
799# define my_betohs(x) _swab_64_(x)
800# else
801# define PERL_NEED_MY_HTOBES
802# define PERL_NEED_MY_BETOHS
803# endif
804# if INTSIZE == 1
805# define my_htobei(x) (x)
806# define my_betohi(x) (x)
807# elif INTSIZE == 2
808# define my_htobei(x) _swab_16_(x)
809# define my_betohi(x) _swab_16_(x)
810# elif INTSIZE == 4
811# define my_htobei(x) _swab_32_(x)
812# define my_betohi(x) _swab_32_(x)
813# elif INTSIZE == 8
814# define my_htobei(x) _swab_64_(x)
815# define my_betohi(x) _swab_64_(x)
816# else
817# define PERL_NEED_MY_HTOBEI
818# define PERL_NEED_MY_BETOHI
819# endif
820# if LONGSIZE == 1
821# define my_htobel(x) (x)
822# define my_betohl(x) (x)
823# elif LONGSIZE == 2
824# define my_htobel(x) _swab_16_(x)
825# define my_betohl(x) _swab_16_(x)
826# elif LONGSIZE == 4
827# define my_htobel(x) _swab_32_(x)
828# define my_betohl(x) _swab_32_(x)
829# elif LONGSIZE == 8
830# define my_htobel(x) _swab_64_(x)
831# define my_betohl(x) _swab_64_(x)
832# else
833# define PERL_NEED_MY_HTOBEL
834# define PERL_NEED_MY_BETOHL
835# endif
836# define my_htolen(p,n) NOOP
837# define my_letohn(p,n) NOOP
838# define my_htoben(p,n) my_swabn(p,n)
839# define my_betohn(p,n) my_swabn(p,n)
840/*----------------------------------------------------------------------------*/
841# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
842/*----------------------------------------------------------------------------*/
843# define my_htobe16(x) (x)
844# define my_betoh16(x) (x)
845# define my_htobe32(x) (x)
846# define my_betoh32(x) (x)
847# define my_htole16(x) _swab_16_(x)
848# define my_letoh16(x) _swab_16_(x)
849# define my_htole32(x) _swab_32_(x)
850# define my_letoh32(x) _swab_32_(x)
851# ifdef HAS_QUAD
852# define my_htobe64(x) (x)
853# define my_betoh64(x) (x)
854# define my_htole64(x) _swab_64_(x)
855# define my_letoh64(x) _swab_64_(x)
856# endif
857# define my_htobes(x) (x)
858# define my_betohs(x) (x)
859# define my_htobei(x) (x)
860# define my_betohi(x) (x)
861# define my_htobel(x) (x)
862# define my_betohl(x) (x)
863# if SHORTSIZE == 1
864# define my_htoles(x) (x)
865# define my_letohs(x) (x)
866# elif SHORTSIZE == 2
867# define my_htoles(x) _swab_16_(x)
868# define my_letohs(x) _swab_16_(x)
869# elif SHORTSIZE == 4
870# define my_htoles(x) _swab_32_(x)
871# define my_letohs(x) _swab_32_(x)
872# elif SHORTSIZE == 8
873# define my_htoles(x) _swab_64_(x)
874# define my_letohs(x) _swab_64_(x)
875# else
876# define PERL_NEED_MY_HTOLES
877# define PERL_NEED_MY_LETOHS
878# endif
879# if INTSIZE == 1
880# define my_htolei(x) (x)
881# define my_letohi(x) (x)
882# elif INTSIZE == 2
883# define my_htolei(x) _swab_16_(x)
884# define my_letohi(x) _swab_16_(x)
885# elif INTSIZE == 4
886# define my_htolei(x) _swab_32_(x)
887# define my_letohi(x) _swab_32_(x)
888# elif INTSIZE == 8
889# define my_htolei(x) _swab_64_(x)
890# define my_letohi(x) _swab_64_(x)
891# else
892# define PERL_NEED_MY_HTOLEI
893# define PERL_NEED_MY_LETOHI
894# endif
895# if LONGSIZE == 1
896# define my_htolel(x) (x)
897# define my_letohl(x) (x)
898# elif LONGSIZE == 2
899# define my_htolel(x) _swab_16_(x)
900# define my_letohl(x) _swab_16_(x)
901# elif LONGSIZE == 4
902# define my_htolel(x) _swab_32_(x)
903# define my_letohl(x) _swab_32_(x)
904# elif LONGSIZE == 8
905# define my_htolel(x) _swab_64_(x)
906# define my_letohl(x) _swab_64_(x)
907# else
908# define PERL_NEED_MY_HTOLEL
909# define PERL_NEED_MY_LETOHL
910# endif
911# define my_htolen(p,n) my_swabn(p,n)
912# define my_letohn(p,n) my_swabn(p,n)
913# define my_htoben(p,n) NOOP
914# define my_betohn(p,n) NOOP
915/*----------------------------------------------------------------------------*/
916# else /* all other byte-orders */
917/*----------------------------------------------------------------------------*/
918# define PERL_NEED_MY_HTOLE16
919# define PERL_NEED_MY_LETOH16
920# define PERL_NEED_MY_HTOBE16
921# define PERL_NEED_MY_BETOH16
922# define PERL_NEED_MY_HTOLE32
923# define PERL_NEED_MY_LETOH32
924# define PERL_NEED_MY_HTOBE32
925# define PERL_NEED_MY_BETOH32
926# ifdef HAS_QUAD
927# define PERL_NEED_MY_HTOLE64
928# define PERL_NEED_MY_LETOH64
929# define PERL_NEED_MY_HTOBE64
930# define PERL_NEED_MY_BETOH64
931# endif
932# define PERL_NEED_MY_HTOLES
933# define PERL_NEED_MY_LETOHS
934# define PERL_NEED_MY_HTOBES
935# define PERL_NEED_MY_BETOHS
936# define PERL_NEED_MY_HTOLEI
937# define PERL_NEED_MY_LETOHI
938# define PERL_NEED_MY_HTOBEI
939# define PERL_NEED_MY_BETOHI
940# define PERL_NEED_MY_HTOLEL
941# define PERL_NEED_MY_LETOHL
942# define PERL_NEED_MY_HTOBEL
943# define PERL_NEED_MY_BETOHL
944/*----------------------------------------------------------------------------*/
945# endif /* end of byte-order macros */
946/*----------------------------------------------------------------------------*/
947
9c17f24a
NC		 948/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
949 at least on FreeBSD. YMMV, so experiment. */
950#ifndef PERL_ARENA_SIZE
951#define PERL_ARENA_SIZE 4080
952#endif
953
ccb2c8b8 954/* Maximum level of recursion */
2b9dff67
RGS		 955#ifndef PERL_SUB_DEPTH_WARN
956#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 957#endif
958
1109a392
MHM		 959#endif /* PERL_CORE */
960
bdf3085f
NC		 961/* We no longer default to creating a new SV for GvSV.
962 Do this before embed. */
963#ifndef PERL_CREATE_GVSV
7459f06b
NC		 964# ifndef PERL_DONT_CREATE_GVSV
965# define PERL_DONT_CREATE_GVSV
966# endif
bdf3085f
NC		 967#endif
968
ca0c25f6
NC		 969#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
970#define PERL_USES_PL_PIDSTATUS
971#endif
972
e37778c2 973#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__)
a62746fa
RGS		 974#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
975#endif
976
00f254e2 977/* Cannot include embed.h here on Win32 as win32.h has not
66a93824
NIS		 978 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
979 */
96e176bf 980#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 981# include "embed.h"
eb8433b7
NC		 982# ifndef PERL_MAD
983# undef op_getmad
b3f24c00 984# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 985# endif
cea2e8a9
GS		 986#endif
987
c31fac66
GS		 988#define MEM_SIZE Size_t
989
1936d2a7
NC		 990/* Round all values passed to malloc up, by default to a multiple of
991 sizeof(size_t)
992*/
993#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
994#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
995#endif
996
f1200559
WH		 997/* sv_grow() will expand strings by at least a certain percentage of
998 the previously *used* length to avoid excessive calls to realloc().
999 The default is 25% of the current length.
1000*/
1001#ifndef PERL_STRLEN_EXPAND_SHIFT
1002# define PERL_STRLEN_EXPAND_SHIFT 2
1003#endif
1004
51371543
GS		 1005#if defined(STANDARD_C) && defined(I_STDDEF)
1006# include <stddef.h>
1007# define STRUCT_OFFSET(s,m) offsetof(s,m)
1008#else
1009# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
1010#endif
1011
9969cdde 1012#ifndef __SYMBIAN32__
27da23d5
JH		 1013# if defined(I_STRING) || defined(__cplusplus)
1014# include <string.h>
1015# else
1016# include <strings.h>
1017# endif
51371543
GS		 1018#endif
1019
55497cff 1020/* This comes after <stdlib.h> so we don't try to change the standard
1021 * library prototypes; we'll use our own in proto.h instead. */
03a14243 1022
4633a7c4 1023#ifdef MYMALLOC
86058a2d 1024# ifdef PERL_POLLUTE_MALLOC
ee13e175 1025# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 1026# define Perl_malloc malloc
1027# define Perl_calloc calloc
1028# define Perl_realloc realloc
1029# define Perl_mfree free
ee13e175 1030# endif
86058a2d
GS		 1031# else
1032# define EMBEDMYMALLOC /* for compatibility */
1033# endif
827e134a 1034
651b9576
GS		 1035# define safemalloc Perl_malloc
1036# define safecalloc Perl_calloc
1037# define saferealloc Perl_realloc
1038# define safefree Perl_mfree
22f7c9c9
JH		 1039# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1040 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1041 code; \
1042 } STMT_END
1043# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1044 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1045# define panic_write2(s) write(2, s, strlen(s))
1046# define CHECK_MALLOC_TAINT(newval) \
1047 CHECK_MALLOC_TOO_LATE_FOR_( \
1048 if (newval) { \
1049 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1050 exit(1); })
22f7c9c9 1051# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1052 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 1053 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1054 }} STMT_END;
f2517201
GS		 1055#else /* MYMALLOC */
1056# define safemalloc safesysmalloc
1057# define safecalloc safesyscalloc
1058# define saferealloc safesysrealloc
1059# define safefree safesysfree
22f7c9c9
JH		 1060# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1061# define CHECK_MALLOC_TAINT(newval) ((void)0)
1062# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1063#endif /* MYMALLOC */
4633a7c4 1064
fe13d51d 1065/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 1066#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		 1067#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1068#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1069#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1070
a0d0e21e
LW		 1071#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1072#define strchr index
1073#define strrchr rindex
1074#endif
1075
16d20bd9
AD		 1076#ifdef I_MEMORY
1077# include <memory.h>
1078#endif
1079
fe14fcc3 1080#ifdef HAS_MEMCPY
85e6fe83 1081# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1082# ifndef memcpy
20ce7b12 1083 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 1084# endif
1085# endif
1086#else
1087# ifndef memcpy
1088# ifdef HAS_BCOPY
1089# define memcpy(d,s,l) bcopy(s,d,l)
1090# else
1091# define memcpy(d,s,l) my_bcopy(s,d,l)
1092# endif
1093# endif
1094#endif /* HAS_MEMCPY */
fe14fcc3 1095
ee0007ab 1096#ifdef HAS_MEMSET
85e6fe83 1097# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1098# ifndef memset
20ce7b12 1099 extern char *memset (char*, int, int);
ee0007ab
LW		 1100# endif
1101# endif
ee0007ab 1102#else
12ae5dfc 1103# undef memset
fc36a67e 1104# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1105#endif /* HAS_MEMSET */
1106
85e6fe83 1107#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1108# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1109# define memmove(d,s,l) bcopy(s,d,l)
1110# else
2304df62 1111# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1112# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1113# else
79072805 1114# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1115# endif
352d5a3a 1116# endif
d9d8d8de 1117#endif
ee0007ab 1118
36477c24 1119#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1120# undef HAS_MEMCMP
1121#endif
1122
1123#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1124# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1125# ifndef memcmp
20ce7b12 1126 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1127# endif
1128# endif
36477c24 1129# ifdef BUGGY_MSC
7e4e8c89 1130# pragma function(memcmp)
36477c24 1131# endif
ee0007ab
LW		 1132#else
1133# ifndef memcmp
ecfc5424 1134# define memcmp my_memcmp
352d5a3a 1135# endif
36477c24 1136#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1137
fc36a67e 1138#ifndef memzero
c635e13b 1139# ifdef HAS_MEMSET
1140# define memzero(d,l) memset(d,0,l)
79072805 1141# else
c635e13b 1142# ifdef HAS_BZERO
1143# define memzero(d,l) bzero(d,l)
79072805 1144# else
fc36a67e 1145# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1146# endif
1147# endif
d9d8d8de 1148#endif
378cc40b 1149
2f42fcb0 1150#ifndef PERL_MICRO
0f27ced1
JH		 1151#ifndef memchr
1152# ifndef HAS_MEMCHR
1153# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1154# endif
1155#endif
2f42fcb0 1156#endif
0f27ced1 1157
36477c24 1158#ifndef HAS_BCMP
1159# ifndef bcmp
1160# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1161# endif
36477c24 1162#endif /* !HAS_BCMP */
378cc40b 1163
ae986130 1164#ifdef I_NETINET_IN
79072805 1165# include <netinet/in.h>
ae986130
LW		 1166#endif
1167
28e8609d
JH		 1168#ifdef I_ARPA_INET
1169# include <arpa/inet.h>
1170#endif
1171
84902520
TB		 1172#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1173/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1174 * (the neo-BSD seem to do this). */
1175# undef SF_APPEND
1176#endif
1177
1aef975c 1178#ifdef I_SYS_STAT
84902520 1179# include <sys/stat.h>
1aef975c 1180#endif
79072805 1181
287a962e
JD		 1182/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1183 This definition should ideally go into win32/win32.h, but S_IFIFO is
1184 used later here in perl.h before win32/win32.h is being included. */
1185#if !defined(S_IFIFO) && defined(_S_IFIFO)
1186# define S_IFIFO _S_IFIFO
1187#endif
1188
a0d0e21e
LW		 1189/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1190 like UTekV) are broken, sometimes giving false positives. Undefine
1191 them here and let the code below set them to proper values.
1192
1193 The ghs macro stands for GreenHills Software C-1.8.5 which
1194 is the C compiler for sysV88 and the various derivatives.
1195 This header file bug is corrected in gcc-2.5.8 and later versions.
1196 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1197
1198#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1199# undef S_ISDIR
1200# undef S_ISCHR
1201# undef S_ISBLK
1202# undef S_ISREG
1203# undef S_ISFIFO
1204# undef S_ISLNK
ee0007ab 1205#endif
135863df 1206
663a0e37
LW		 1207#ifdef I_TIME
1208# include <time.h>
ffed7fef 1209#endif
663a0e37 1210
fe14fcc3 1211#ifdef I_SYS_TIME
85e6fe83 1212# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1213# define KERNEL
1214# endif
1215# include <sys/time.h>
85e6fe83 1216# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1217# undef KERNEL
1218# endif
a687059c 1219#endif
135863df 1220
55497cff 1221#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1222# include <sys/times.h>
d9d8d8de 1223#endif
8d063cd8 1224
fe14fcc3 1225#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1226# undef HAS_STRERROR
663a0e37
LW		 1227#endif
1228
1229#include <errno.h>
1e743fda 1230
acfe0abc 1231#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1232# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1233#endif
1234
8cfab5ff 1235/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1236 * This is important for using IPv6.
8cfab5ff
JH		 1237 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1238 * a bad idea since it breaks send() and recv(). */
1239#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1240# define _SOCKADDR_LEN
1241#endif
1242
da70cfc6 1243#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH		 1244# include <sys/socket.h>
1245# if defined(USE_SOCKS) && defined(I_SOCKS)
1246# if !defined(INCLUDE_PROTOTYPES)
1247# define INCLUDE_PROTOTYPES /* for <socks.h> */
1248# define PERL_SOCKS_NEED_PROTOTYPES
1249# endif
1250# include <socks.h>
1251# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1252# undef INCLUDE_PROTOTYPES
1253# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1254# endif
d460ef45 1255# endif
1e743fda 1256# ifdef I_NETDB
2986a63f
JH		 1257# ifdef NETWARE
1258# include<stdio.h>
1259# endif
1e743fda
JH		 1260# include <netdb.h>
1261# endif
1262# ifndef ENOTSOCK
1263# ifdef I_NET_ERRNO
1264# include <net/errno.h>
1265# endif
1266# endif
1267#endif
1268
fa0a29af 1269/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1270 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1271 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1272#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1273# if defined(__THROW) && defined(__GLIBC__)
1274int sockatmark(int) __THROW;
1275# else
2ef53570 1276int sockatmark(int);
29820b6d 1277# endif
2ef53570
JH		 1278#endif
1279
7e827271 1280#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		 1281EXTERN_C int fchdir(int);
1282EXTERN_C int flock(int, int);
1283EXTERN_C int fseeko(FILE *, off_t, int);
1284EXTERN_C off_t ftello(FILE *);
1285#endif
1286
7e827271 1287#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1288EXTERN_C char *crypt(const char *, const char *);
7e827271 1289EXTERN_C char **environ;
1ccb7c8d
JH		 1290#endif
1291
83a6ff2e 1292#if defined(__cplusplus)
944c4fda 1293# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1294EXTERN_C char **environ;
83a6ff2e 1295# elif defined(__CYGWIN__)
667e2948
SP		 1296EXTERN_C char *crypt(const char *, const char *);
1297#endif
83a6ff2e 1298#endif
667e2948 1299
1e743fda
JH		 1300#ifdef SETERRNO
1301# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1302#endif
f86702cc 1303
1304#ifdef VMS
1305# define SETERRNO(errcode,vmserrcode) \
1306 STMT_START { \
1307 set_errno(errcode); \
1308 set_vaxc_errno(vmserrcode); \
1309 } STMT_END
4ee39169
CS		 1310# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1311# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1312# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1313# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1314
93189314
JH		 1315# define LIB_INVARG LIB$_INVARG
1316# define RMS_DIR RMS$_DIR
1317# define RMS_FAC RMS$_FAC
1318# define RMS_FEX RMS$_FEX
1319# define RMS_FNF RMS$_FNF
1320# define RMS_IFI RMS$_IFI
1321# define RMS_ISI RMS$_ISI
1322# define RMS_PRV RMS$_PRV
1323# define SS_ACCVIO SS$_ACCVIO
1324# define SS_DEVOFFLINE SS$_DEVOFFLINE
1325# define SS_IVCHAN SS$_IVCHAN
1326# define SS_NORMAL SS$_NORMAL
748a9306 1327#else
aba27d88 1328# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS		 1329# define dSAVEDERRNO int saved_errno
1330# define dSAVE_ERRNO int saved_errno = errno
1331# define SAVE_ERRNO (saved_errno = errno)
1332# define RESTORE_ERRNO (errno = saved_errno)
1333
93189314
JH		 1334# define LIB_INVARG 0
1335# define RMS_DIR 0
1336# define RMS_FAC 0
1337# define RMS_FEX 0
1338# define RMS_FNF 0
1339# define RMS_IFI 0
1340# define RMS_ISI 0
1341# define RMS_PRV 0
1342# define SS_ACCVIO 0
1343# define SS_DEVOFFLINE 0
1344# define SS_IVCHAN 0
1345# define SS_NORMAL 0
748a9306 1346#endif
ed6116ce 1347
f5fa9033 1348#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC		 1349
1350#define CLEAR_ERRSV() STMT_START { \
1351 if (!GvSV(PL_errgv)) { \
1352 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1353 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1354 SvREFCNT_dec(GvSV(PL_errgv)); \
1355 GvSV(PL_errgv) = newSVpvs(""); \
1356 } else { \
1357 SV *const errsv = GvSV(PL_errgv); \
1358 sv_setpvs(errsv, ""); \
1359 if (SvMAGICAL(errsv)) { \
1360 mg_free(errsv); \
1361 } \
1362 SvPOK_only(errsv); \
1363 } \
1364 } STMT_END
1365
1366
414bf5ae
MHM		 1367#ifdef PERL_CORE
1368# define DEFSV (0 + GvSVn(PL_defgv))
1369#else
1370# define DEFSV GvSVn(PL_defgv)
1371#endif
1372#define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
3db8f154 1373#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1374
98eae8f5
GS		 1375#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1376
55497cff 1377#ifndef errno
5ff3f7a4
GS		 1378 extern int errno; /* ANSI allows errno to be an lvalue expr.
1379 * For example in multithreaded environments
1380 * something like this might happen:
1381 * extern int *_errno(void);
1382 * #define errno (*_errno()) */
d9d8d8de 1383#endif
663a0e37 1384
2304df62 1385#ifdef HAS_STRERROR
a0d0e21e 1386# ifdef VMS
20ce7b12 1387 char *strerror (int,...);
a0d0e21e 1388# else
68dc0745 1389#ifndef DONT_DECLARE_STD
20ce7b12 1390 char *strerror (int);
68dc0745 1391#endif
a0d0e21e 1392# endif
2304df62
AD		 1393# ifndef Strerror
1394# define Strerror strerror
1395# endif
1396#else
1397# ifdef HAS_SYS_ERRLIST
79072805
LW		 1398 extern int sys_nerr;
1399 extern char *sys_errlist[];
2304df62
AD		 1400# ifndef Strerror
1401# define Strerror(e) \
79072805 1402 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1403# endif
79072805 1404# endif
35c8bce7 1405#endif
663a0e37 1406
2304df62 1407#ifdef I_SYS_IOCTL
79072805
LW		 1408# ifndef _IOCTL_
1409# include <sys/ioctl.h>
1410# endif
a687059c
LW		 1411#endif
1412
ee0007ab 1413#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1414# ifdef HAS_SOCKETPAIR
1415# undef HAS_SOCKETPAIR
1416# endif
2304df62
AD		 1417# ifdef I_NDBM
1418# undef I_NDBM
79072805 1419# endif
a687059c
LW		 1420#endif
1421
02fc2eee
NC		 1422#ifndef HAS_SOCKETPAIR
1423# ifdef HAS_SOCKET
1424# define socketpair Perl_my_socketpair
1425# endif
1426#endif
1427
a687059c 1428#if INTSIZE == 2
79072805
LW		 1429# define htoni htons
1430# define ntohi ntohs
a687059c 1431#else
79072805
LW		 1432# define htoni htonl
1433# define ntohi ntohl
a687059c
LW		 1434#endif
1435
a0d0e21e 1436/* Configure already sets Direntry_t */
35c8bce7 1437#if defined(I_DIRENT)
663a0e37 1438# include <dirent.h>
8f1f23e8
W		 1439 /* NeXT needs dirent + sys/dir.h */
1440# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1441# include <sys/dir.h>
1442# endif
ae986130 1443#else
fe14fcc3 1444# ifdef I_SYS_NDIR
79a0689e 1445# include <sys/ndir.h>
663a0e37 1446# else
fe14fcc3 1447# ifdef I_SYS_DIR
79a0689e
LW		 1448# ifdef hp9000s500
1449# include <ndir.h> /* may be wrong in the future */
1450# else
1451# include <sys/dir.h>
1452# endif
663a0e37
LW		 1453# endif
1454# endif
4633a7c4 1455#endif
a687059c 1456
12ae5dfc
JH		 1457#ifdef PERL_MICRO
1458# ifndef DIR
1459# define DIR void
1460# endif
1461#endif
1462
352d5a3a
LW		 1463#ifdef FPUTS_BOTCH
1464/* work around botch in SunOS 4.0.1 and 4.0.2 */
1465# ifndef fputs
79072805 1466# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1467# endif
1468#endif
1469
c623bd54
LW		 1470/*
1471 * The following gobbledygook brought to you on behalf of __STDC__.
1472 * (I could just use #ifndef __STDC__, but this is more bulletproof
1473 * in the face of half-implementations.)
1474 */
1475
7114a2d2 1476#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1477#include <sys/mode.h>
1478#endif
1479
c623bd54
LW		 1480#ifndef S_IFMT
1481# ifdef _S_IFMT
1482# define S_IFMT _S_IFMT
1483# else
1484# define S_IFMT 0170000
1485# endif
1486#endif
1487
1488#ifndef S_ISDIR
1489# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1490#endif
1491
1492#ifndef S_ISCHR
1493# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1494#endif
1495
1496#ifndef S_ISBLK
fe14fcc3
LW		 1497# ifdef S_IFBLK
1498# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1499# else
1500# define S_ISBLK(m) (0)
1501# endif
c623bd54
LW		 1502#endif
1503
1504#ifndef S_ISREG
1505# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1506#endif
1507
1508#ifndef S_ISFIFO
fe14fcc3
LW		 1509# ifdef S_IFIFO
1510# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1511# else
1512# define S_ISFIFO(m) (0)
1513# endif
c623bd54
LW		 1514#endif
1515
1516#ifndef S_ISLNK
1517# ifdef _S_ISLNK
1518# define S_ISLNK(m) _S_ISLNK(m)
1519# else
1520# ifdef _S_IFLNK
1521# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1522# else
1523# ifdef S_IFLNK
1524# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1525# else
1526# define S_ISLNK(m) (0)
1527# endif
1528# endif
1529# endif
1530#endif
1531
1532#ifndef S_ISSOCK
1533# ifdef _S_ISSOCK
1534# define S_ISSOCK(m) _S_ISSOCK(m)
1535# else
1536# ifdef _S_IFSOCK
1537# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1538# else
1539# ifdef S_IFSOCK
1540# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1541# else
1542# define S_ISSOCK(m) (0)
1543# endif
1544# endif
1545# endif
1546#endif
1547
1548#ifndef S_IRUSR
1549# ifdef S_IREAD
1550# define S_IRUSR S_IREAD
1551# define S_IWUSR S_IWRITE
1552# define S_IXUSR S_IEXEC
1553# else
1554# define S_IRUSR 0400
1555# define S_IWUSR 0200
1556# define S_IXUSR 0100
1557# endif
fac7cdfc
JS		 1558#endif
1559
1560#ifndef S_IRGRP
1561# ifdef S_IRUSR
1562# define S_IRGRP (S_IRUSR>>3)
1563# define S_IWGRP (S_IWUSR>>3)
1564# define S_IXGRP (S_IXUSR>>3)
1565# else
1566# define S_IRGRP 0040
1567# define S_IWGRP 0020
1568# define S_IXGRP 0010
1569# endif
1570#endif
1571
1572#ifndef S_IROTH
1573# ifdef S_IRUSR
1574# define S_IROTH (S_IRUSR>>6)
1575# define S_IWOTH (S_IWUSR>>6)
1576# define S_IXOTH (S_IXUSR>>6)
1577# else
1578# define S_IROTH 0040
1579# define S_IWOTH 0020
1580# define S_IXOTH 0010
1581# endif
c623bd54
LW		 1582#endif
1583
1584#ifndef S_ISUID
1585# define S_ISUID 04000
1586#endif
1587
1588#ifndef S_ISGID
1589# define S_ISGID 02000
1590#endif
1591
ca6e1c26
JH		 1592#ifndef S_IRWXU
1593# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1594#endif
ca6e1c26
JH		 1595
1596#ifndef S_IRWXG
1597# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1598#endif
ca6e1c26
JH		 1599
1600#ifndef S_IRWXO
1601# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1602#endif
ca6e1c26 1603
df00ff3b 1604/* BeOS 5.0 and Haiku R1 seem to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1605 * which would get included through <sys/file.h >, but that is 3000
1606 * lines in the future. --jhi */
1607
df00ff3b 1608#if !defined(S_IREAD) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1609# define S_IREAD S_IRUSR
1610#endif
1611
df00ff3b 1612#if !defined(S_IWRITE) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1613# define S_IWRITE S_IWUSR
1614#endif
1615
1616#ifndef S_IEXEC
1617# define S_IEXEC S_IXUSR
1618#endif
1619
79072805
LW		 1620#ifdef ff_next
1621# undef ff_next
352d5a3a
LW		 1622#endif
1623
a0d0e21e 1624#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1625# define SLOPPYDIVIDE
1626#endif
1627
748a9306
LW		 1628#ifdef UV
1629#undef UV
1630#endif
1631
c89df6bf
JH		 1632#ifdef SPRINTF_E_BUG
1633# define sprintf UTS_sprintf_wrap
1634#endif
1635
ce582cee
NC		 1636/* For the times when you want the return value of sprintf, and you want it
1637 to be the length. Can't have a thread variable passed in, because C89 has
1638 no varargs macros.
1639*/
1640#ifdef SPRINTF_RETURNS_STRLEN
1641# define my_sprintf sprintf
1642#else
1643# define my_sprintf Perl_my_sprintf
1644#endif
1645
5b692037
JH		 1646/*
1647 * If we have v?snprintf() and the C99 variadic macros, we can just
1648 * use just the v?snprintf(). It is nice to try to trap the buffer
1649 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1650 * gcc statement expressions, then use the function wrappers which try
1651 * to trap the overflow. If we can use the gcc statement expressions,
1652 * we can try that even with the version that uses the C99 variadic
1653 * macros.
5b692037
JH		 1654 */
1655
1208b3dd
JH		 1656/* Note that we do not check against snprintf()/vsnprintf() returning
1657 * negative values because that is non-standard behaviour and we use
1658 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1659 * that should be true only if the snprintf()/vsnprintf() are true
1660 * to the standard. */
1661
dfeee9b1 1662#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1663# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1664# 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 1665# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1666# else
1667# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1668# endif
1669#else
1670# define my_snprintf Perl_my_snprintf
1208b3dd 1671# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1672#endif
1673
dfeee9b1 1674#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1675# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1676# 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 1677# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1678# else
1679# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1680# endif
1681#else
1682# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1683# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1684#endif
d9fad198 1685
a6cc4119
SP		 1686#ifdef HAS_STRLCAT
1687# define my_strlcat strlcat
1688#else
1689# define my_strlcat Perl_my_strlcat
1690#endif
1691
1692#ifdef HAS_STRLCPY
1693# define my_strlcpy strlcpy
1694#else
1695# define my_strlcpy Perl_my_strlcpy
1696#endif
1697
c495e728
JH		 1698/* Configure gets this right but the UTS compiler gets it wrong.
1699 -- Hal Morris <hom00@utsglobal.com> */
1700#ifdef UTS
1701# undef UVTYPE
1702# define UVTYPE unsigned
1703#endif
1704
05f13f53 1705/*
27d4fb96 1706 The IV type is supposed to be long enough to hold any integral
1707 value or a pointer.
1708 --Andy Dougherty August 1996
1709*/
1710
a22e52b9
JH		 1711typedef IVTYPE IV;
1712typedef UVTYPE UV;
8175356b 1713
10cc9d2a 1714#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1715# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1716# define IV_MAX INT64_MAX
1717# define IV_MIN INT64_MIN
1718# define UV_MAX UINT64_MAX
cae7ae48
JH		 1719# ifndef UINT64_MIN
1720# define UINT64_MIN 0
1721# endif
5ff3f7a4
GS		 1722# define UV_MIN UINT64_MIN
1723# else
1724# define IV_MAX PERL_QUAD_MAX
1725# define IV_MIN PERL_QUAD_MIN
1726# define UV_MAX PERL_UQUAD_MAX
1727# define UV_MIN PERL_UQUAD_MIN
1728# endif
cf2093f6
JH		 1729# define IV_IS_QUAD
1730# define UV_IS_QUAD
79072805 1731#else
8175356b 1732# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1733# define IV_MAX INT32_MAX
1734# define IV_MIN INT32_MIN
716026f9
DL		 1735# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1736# define UV_MAX UINT32_MAX
1737# else
1738# define UV_MAX 4294967295U
1739# endif
cae7ae48
JH		 1740# ifndef UINT32_MIN
1741# define UINT32_MIN 0
1742# endif
5ff3f7a4
GS		 1743# define UV_MIN UINT32_MIN
1744# else
1745# define IV_MAX PERL_LONG_MAX
1746# define IV_MIN PERL_LONG_MIN
1747# define UV_MAX PERL_ULONG_MAX
1748# define UV_MIN PERL_ULONG_MIN
1749# endif
8175356b 1750# if IVSIZE == 8
cf2093f6
JH		 1751# define IV_IS_QUAD
1752# define UV_IS_QUAD
de1c2614
JH		 1753# ifndef HAS_QUAD
1754# define HAS_QUAD
1755# endif
cf2093f6
JH		 1756# else
1757# undef IV_IS_QUAD
1758# undef UV_IS_QUAD
de1c2614 1759# undef HAS_QUAD
cf2093f6 1760# endif
79072805 1761#endif
d7d93a81 1762
1109a392
MHM		 1763#ifndef HAS_QUAD
1764# undef PERL_NEED_MY_HTOLE64
1765# undef PERL_NEED_MY_LETOH64
1766# undef PERL_NEED_MY_HTOBE64
1767# undef PERL_NEED_MY_BETOH64
1768#endif
1769
6cde8aec 1770#if defined(uts) || defined(UTS)
11afe549
HM		 1771# undef UV_MAX
1772# define UV_MAX (4294967295u)
20601011
JH		 1773#endif
1774
cae7ae48 1775#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1776#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1777
28e5dec8 1778#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1779#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1780#endif
1781
d460ef45 1782/*
26bb67e2
JH		 1783 * The macros INT2PTR and NUM2PTR are (despite their names)
1784 * bi-directional: they will convert int/float to or from pointers.
1785 * However the conversion to int/float are named explicitly:
1786 * PTR2IV, PTR2UV, PTR2NV.
1787 *
1788 * For int conversions we do not need two casts if pointers are
1789 * the same size as IV and UV. Otherwise we need an explicit
1790 * cast (PTRV) to avoid compiler warnings.
1791 */
56431972
RB		 1792#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1793# define PTRV UV
1794# define INT2PTR(any,d) (any)(d)
1795#else
d460ef45 1796# if PTRSIZE == LONGSIZE
56431972 1797# define PTRV unsigned long
e91e3b10 1798# define PTR2ul(p) (unsigned long)(p)
42718184 1799# else
56431972 1800# define PTRV unsigned
42718184 1801# endif
e91e3b10
RB		 1802#endif
1803
1804#ifndef INT2PTR
56431972 1805# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1806#endif
e91e3b10
RB		 1807
1808#ifndef PTR2ul
1809# define PTR2ul(p) INT2PTR(unsigned long,p)
1810#endif
1811
56431972
RB		 1812#define NUM2PTR(any,d) (any)(PTRV)(d)
1813#define PTR2IV(p) INT2PTR(IV,p)
1814#define PTR2UV(p) INT2PTR(UV,p)
1815#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1816#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1817
8141890a
JH		 1818/* According to strict ANSI C89 one cannot freely cast between
1819 * data pointers and function (code) pointers. There are at least
1820 * two ways around this. One (used below) is to do two casts,
1821 * first the other pointer to an (unsigned) integer, and then
1822 * the integer to the other pointer. The other way would be
1823 * to use unions to "overlay" the pointers. For an example of
1824 * the latter technique, see union dirpu in struct xpvio in sv.h.
1825 * The only feasible use is probably temporarily storing
1826 * function pointers in a data pointer (such as a void pointer). */
1827
e91e3b10
RB		 1828#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1829#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1830
65202027 1831#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1832# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1833# define LONG_DOUBLE_EQUALS_DOUBLE
1834# endif
68d4903c 1835# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1836# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1837# endif
1838#endif
1839
2d4389e4
JH		 1840#ifdef OVR_DBL_DIG
1841/* Use an overridden DBL_DIG */
1842# ifdef DBL_DIG
1843# undef DBL_DIG
1844# endif
1845# define DBL_DIG OVR_DBL_DIG
1846#else
1847/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1848 default value for printing floating point numbers in Gconvert
1849 (see config.h). (It also has other uses, such as figuring out if
1850 a given precision of printing can be done with a double instead of
1851 a long double - Allen).
2d4389e4
JH		 1852*/
1853#ifdef I_LIMITS
1854#include <limits.h>
1855#endif
1856#ifdef I_FLOAT
1857#include <float.h>
1858#endif
1859#ifndef HAS_DBL_DIG
1860#define DBL_DIG 15 /* A guess that works lots of places */
1861#endif
1862#endif
1863
1864#ifdef OVR_LDBL_DIG
1865/* Use an overridden LDBL_DIG */
1866# ifdef LDBL_DIG
1867# undef LDBL_DIG
1868# endif
1869# define LDBL_DIG OVR_LDBL_DIG
1870#else
1871/* The following is all to get LDBL_DIG, in order to pick a nice
1872 default value for printing floating point numbers in Gconvert.
1873 (see config.h)
1874*/
68d4903c
JH		 1875# ifdef I_LIMITS
1876# include <limits.h>
1877# endif
1878# ifdef I_FLOAT
1879# include <float.h>
1880# endif
1881# ifndef HAS_LDBL_DIG
1882# if LONG_DOUBLESIZE == 10
1883# define LDBL_DIG 18 /* assume IEEE */
1884# else
1885# if LONG_DOUBLESIZE == 12
1886# define LDBL_DIG 18 /* gcc? */
1887# else
1888# if LONG_DOUBLESIZE == 16
1889# define LDBL_DIG 33 /* assume IEEE */
1890# else
1891# if LONG_DOUBLESIZE == DOUBLESIZE
1892# define LDBL_DIG DBL_DIG /* bummer */
1893# endif
1894# endif
1895# endif
1896# endif
1897# endif
2d4389e4
JH		 1898#endif
1899
20f6aaab
AS		 1900/*
1901 * This is for making sure we have a good DBL_MAX value, if possible,
1902 * either for usage as NV_MAX or for usage in figuring out if we can
1903 * fit a given long double into a double, if bug-fixing makes it
1904 * necessary to do so. - Allen <allens@cpan.org>
1905 */
1906
205f51d8
AS		 1907#ifdef I_LIMITS
1908# include <limits.h>
20f6aaab
AS		 1909#endif
1910
205f51d8
AS		 1911#ifdef I_VALUES
1912# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1913# include <values.h>
1914# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1915# define DBL_MAX MAXDOUBLE
1916# endif
1917# if defined(MINDOUBLE) && !defined(DBL_MIN)
1918# define DBL_MIN MINDOUBLE
1919# endif
1920# endif
1921#endif /* defined(I_VALUES) */
1922
a22e52b9 1923typedef NVTYPE NV;
8175356b 1924
792d8dab
JH		 1925#ifdef I_IEEEFP
1926# include <ieeefp.h>
1927#endif
923fc586 1928
65202027 1929#ifdef USE_LONG_DOUBLE
923fc586
JH		 1930# ifdef I_SUNMATH
1931# include <sunmath.h>
1932# endif
2d4389e4 1933# define NV_DIG LDBL_DIG
d6c14000
JH		 1934# ifdef LDBL_MANT_DIG
1935# define NV_MANT_DIG LDBL_MANT_DIG
1936# endif
06fc1729
JH		 1937# ifdef LDBL_MIN
1938# define NV_MIN LDBL_MIN
1939# endif
1940# ifdef LDBL_MAX
1941# define NV_MAX LDBL_MAX
1942# endif
1943# ifdef LDBL_MIN_10_EXP
1944# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1945# endif
1946# ifdef LDBL_MAX_10_EXP
1947# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1948# endif
1949# ifdef LDBL_EPSILON
1950# define NV_EPSILON LDBL_EPSILON
1951# endif
f4a14a62
JH		 1952# ifdef LDBL_MAX
1953# define NV_MAX LDBL_MAX
20f6aaab 1954/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1955# else
1956# ifdef HUGE_VALL
1957# define NV_MAX HUGE_VALL
1958# else
1959# ifdef HUGE_VAL
1960# define NV_MAX ((NV)HUGE_VAL)
1961# endif
1962# endif
1963# endif
68d4903c 1964# ifdef HAS_SQRTL
68d4903c
JH		 1965# define Perl_cos cosl
1966# define Perl_sin sinl
1967# define Perl_sqrt sqrtl
1968# define Perl_exp expl
1969# define Perl_log logl
1970# define Perl_atan2 atan2l
1971# define Perl_pow powl
1972# define Perl_floor floorl
1bbae031 1973# define Perl_ceil ceill
68d4903c
JH		 1974# define Perl_fmod fmodl
1975# endif
a3540c92
JH		 1976/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1977# ifdef HAS_MODFL
1978# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1979/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1980 prototype in <math.h> */
1981# ifndef HAS_MODFL_PROTO
a221a8a5 1982EXTERN_C long double modfl(long double, long double *);
51997bc3 1983# endif
03476e8e
JH		 1984# else
1985# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1986 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1987# define Perl_modf(x,y) Perl_my_modfl(x,y)
1988# endif
a3540c92
JH		 1989# endif
1990# ifdef HAS_FREXPL
dff3e0b8 1991# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1992# else
1993# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1994 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1995# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1996# endif
a3540c92 1997# endif
38dbb4c5 1998# ifndef Perl_isnan
758a5d79
JH		 1999# ifdef HAS_ISNANL
2000# define Perl_isnan(x) isnanl(x)
2001# endif
2002# endif
2003# ifndef Perl_isinf
2004# ifdef HAS_FINITEL
2005# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 2006# endif
2007# endif
65202027 2008#else
2d4389e4 2009# define NV_DIG DBL_DIG
d6c14000
JH		 2010# ifdef DBL_MANT_DIG
2011# define NV_MANT_DIG DBL_MANT_DIG
2012# endif
06fc1729
JH		 2013# ifdef DBL_MIN
2014# define NV_MIN DBL_MIN
2015# endif
2016# ifdef DBL_MAX
2017# define NV_MAX DBL_MAX
2018# endif
2019# ifdef DBL_MIN_10_EXP
2020# define NV_MIN_10_EXP DBL_MIN_10_EXP
2021# endif
2022# ifdef DBL_MAX_10_EXP
2023# define NV_MAX_10_EXP DBL_MAX_10_EXP
2024# endif
2025# ifdef DBL_EPSILON
2026# define NV_EPSILON DBL_EPSILON
2027# endif
205f51d8 2028# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 2029# define NV_MAX DBL_MAX
2030# define NV_MIN DBL_MIN
2031# else
2032# ifdef HUGE_VAL
2033# define NV_MAX HUGE_VAL
2034# endif
2035# endif
65202027
DS		 2036# define Perl_cos cos
2037# define Perl_sin sin
2038# define Perl_sqrt sqrt
2039# define Perl_exp exp
2040# define Perl_log log
2041# define Perl_atan2 atan2
2042# define Perl_pow pow
2043# define Perl_floor floor
1bbae031 2044# define Perl_ceil ceil
65202027 2045# define Perl_fmod fmod
a3540c92 2046# define Perl_modf(x,y) modf(x,y)
dff3e0b8 2047# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 2048#endif
2049
2050/* rumor has it that Win32 has _fpclass() */
2051
205f51d8
AS		 2052/* SGI has fpclassl... but not with the same result values,
2053 * and it's via a typedef (not via #define), so will need to redo Configure
2054 * to use. Not worth the trouble, IMO, at least until the below is used
2055 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
2056 * with me for the SGI manpages, SGI testing, etcetera, if you want to
2057 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
2058
758a5d79
JH		 2059#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2060# ifdef I_IEEFP
2061# include <ieeefp.h>
2062# endif
2063# ifdef I_FP
2064# include <fp.h>
2065# endif
2066# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2067# define Perl_fp_class() fpclassl(x)
2068# else
2069# define Perl_fp_class() fpclass(x)
2070# endif
2071# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2072# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2073# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2074# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2075# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2076# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2077# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2078# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2079# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2080# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2081# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2082# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2083# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2084# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2085# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2086#endif
2087
7114a2d2 2088#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2089# include <math.h>
2090# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2091# include <fp_class.h>
2092# endif
2093# define Perl_fp_class(x) fp_class(x)
2094# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2095# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2096# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2097# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2098# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2099# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2100# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2101# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2102# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2103# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2104# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2105# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2106# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2107# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2108# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2109#endif
2110
2111#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2112# include <math.h>
2113# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2114# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2115# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2116# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2117# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2118# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2119#endif
2120
2121#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2122# include <math.h>
2123# ifndef _cplusplus
2124# define Perl_fp_class(x) class(x)
2125# else
2126# define Perl_fp_class(x) _class(x)
2127# endif
2128# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2129# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2130# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2131# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2132# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2133# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2134# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2135# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2136# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2137# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2138# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2139# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2140# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2141# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2142# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2143#endif
2144
2145/* rumor has it that Win32 has _isnan() */
2146
2147#ifndef Perl_isnan
a3540c92 2148# ifdef HAS_ISNAN
758a5d79
JH		 2149# define Perl_isnan(x) isnan((NV)x)
2150# else
2151# ifdef Perl_fp_class_nan
2152# define Perl_isnan(x) Perl_fp_class_nan(x)
2153# else
2154# ifdef HAS_UNORDERED
2155# define Perl_isnan(x) unordered((x), 0.0)
2156# else
2157# define Perl_isnan(x) ((x)!=(x))
2158# endif
2159# endif
2160# endif
2161#endif
2162
ca6c63e1
JH		 2163#ifdef UNDER_CE
2164int isnan(double d);
2165#endif
2166
758a5d79
JH		 2167#ifndef Perl_isinf
2168# ifdef HAS_ISINF
2169# define Perl_isinf(x) isinf((NV)x)
a3540c92 2170# else
758a5d79
JH		 2171# ifdef Perl_fp_class_inf
2172# define Perl_isinf(x) Perl_fp_class_inf(x)
2173# else
2174# define Perl_isinf(x) ((x)==NV_INF)
2175# endif
2176# endif
2177#endif
2178
2179#ifndef Perl_isfinite
2180# ifdef HAS_FINITE
2181# define Perl_isfinite(x) finite((NV)x)
2182# else
2183# ifdef HAS_ISFINITE
2184# define Perl_isfinite(x) isfinite(x)
2185# else
2186# ifdef Perl_fp_class_finite
2187# define Perl_isfinite(x) Perl_fp_class_finite(x)
2188# else
2189# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2190# endif
2191# endif
a3540c92 2192# endif
65202027
DS		 2193#endif
2194
a36244b7
JH		 2195/* The default is to use Perl's own atof() implementation (in numeric.c).
2196 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2197 * it is however best to use the native implementation of atof.
2198 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2199 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2200 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2201 * you may need to be using a different function than atof! */
a36244b7
JH		 2202
2203#ifndef USE_PERL_ATOF
2204# ifndef _UNICOS
2205# define USE_PERL_ATOF
2206# endif
2207#else
2208# if USE_PERL_ATOF == 0
2209# undef USE_PERL_ATOF
2210# endif
2211#endif
2212
2213#ifdef USE_PERL_ATOF
2214# define Perl_atof(s) Perl_my_atof(s)
2215# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2216#else
2217# define Perl_atof(s) (NV)atof(s)
2218# define Perl_atof2(s, n) ((n) = atof(s))
2219#endif
cf2093f6 2220
d460ef45 2221/* Previously these definitions used hardcoded figures.
760ac839
LW		 2222 * It is hoped these formula are more portable, although
2223 * no data one way or another is presently known to me.
2224 * The "PERL_" names are used because these calculated constants
2225 * do not meet the ANSI requirements for LONG_MAX, etc., which
2226 * need to be constants acceptable to #if - kja
2227 * define PERL_LONG_MAX 2147483647L
2228 * define PERL_LONG_MIN (-LONG_MAX - 1)
2229 * define PERL ULONG_MAX 4294967295L
2230 */
2231
2232#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2233# include <limits.h>
760ac839 2234#endif
205f51d8 2235/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2236 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2237
99abf803 2238/*
2239 * Try to figure out max and min values for the integral types. THE CORRECT
2240 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2241 * following hacks are used if neither limits.h or values.h provide them:
2242 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2243 * for types < int: (unsigned TYPE)~(unsigned)0
2244 * The argument to ~ must be unsigned so that later signed->unsigned
2245 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2246 * and it must not be smaller than int because ~ does integral promotion.
2247 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2248 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2249 * The latter is a hack which happens to work on some machines but
2250 * does *not* catch any random system, or things like integer types
2251 * with NaN if that is possible.
2252 *
2253 * All of the types are explicitly cast to prevent accidental loss of
2254 * numeric range, and in the hope that they will be less likely to confuse
2255 * over-eager optimizers.
2256 *
2257 */
27d4fb96 2258
99abf803 2259#define PERL_UCHAR_MIN ((unsigned char)0)
2260
2261#ifdef UCHAR_MAX
2262# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2263#else
99abf803 2264# ifdef MAXUCHAR
2265# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2266# else
99abf803 2267# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2268# endif
2269#endif
d460ef45 2270
99abf803 2271/*
2272 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2273 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2274 * depending on local options. Until Configure detects this (or at least
2275 * detects whether the "signed" keyword is available) the CHAR ranges
2276 * will not be included. UCHAR functions normally.
2277 * - kja
2278 */
27d4fb96 2279
99abf803 2280#define PERL_USHORT_MIN ((unsigned short)0)
2281
2282#ifdef USHORT_MAX
2283# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2284#else
99abf803 2285# ifdef MAXUSHORT
2286# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2287# else
ef2f54b0
CB		 2288# ifdef USHRT_MAX
2289# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2290# else
2291# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2292# endif
27d4fb96 2293# endif
2294#endif
2295
27d4fb96 2296#ifdef SHORT_MAX
99abf803 2297# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2298#else
2299# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2300# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2301# else
ef2f54b0
CB		 2302# ifdef SHRT_MAX
2303# define PERL_SHORT_MAX ((short)SHRT_MAX)
2304# else
2305# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2306# endif
27d4fb96 2307# endif
2308#endif
2309
2310#ifdef SHORT_MIN
99abf803 2311# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2312#else
2313# ifdef MINSHORT
99abf803 2314# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2315# else
ef2f54b0
CB		 2316# ifdef SHRT_MIN
2317# define PERL_SHORT_MIN ((short)SHRT_MIN)
2318# else
2319# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2320# endif
27d4fb96 2321# endif
2322#endif
2323
99abf803 2324#ifdef UINT_MAX
2325# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2326#else
99abf803 2327# ifdef MAXUINT
2328# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2329# else
99abf803 2330# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2331# endif
2332#endif
2333
99abf803 2334#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2335
2336#ifdef INT_MAX
99abf803 2337# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2338#else
2339# ifdef MAXINT /* Often used in <values.h> */
99abf803 2340# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2341# else
99abf803 2342# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2343# endif
2344#endif
2345
2346#ifdef INT_MIN
99abf803 2347# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2348#else
2349# ifdef MININT
99abf803 2350# define PERL_INT_MIN ((int)MININT)
27d4fb96 2351# else
2352# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2353# endif
2354#endif
2355
99abf803 2356#ifdef ULONG_MAX
2357# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2358#else
99abf803 2359# ifdef MAXULONG
2360# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2361# else
99abf803 2362# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2363# endif
2364#endif
2365
99abf803 2366#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2367
760ac839 2368#ifdef LONG_MAX
99abf803 2369# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2370#else
2371# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2372# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2373# else
99abf803 2374# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2375# endif
2376#endif
2377
2378#ifdef LONG_MIN
99abf803 2379# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2380#else
2381# ifdef MINLONG
99abf803 2382# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2383# else
27d4fb96 2384# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2385# endif
2386#endif
2387
d7d93a81 2388#ifdef UV_IS_QUAD
99abf803 2389
99abf803 2390# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2391# define PERL_UQUAD_MIN ((UV)0)
99abf803 2392# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2393# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2394
79072805
LW		 2395#endif
2396
830247a4 2397struct RExC_state_t;
8e11feef 2398struct _reg_trie_data;
880b20b6 2399
ee0007ab 2400typedef MEM_SIZE STRLEN;
450a55e4 2401
598921a7
NC		 2402#ifdef PERL_MAD
2403typedef struct token TOKEN;
2404typedef struct madprop MADPROP;
2405typedef struct nexttoken NEXTTOKE;
2406#endif
79072805
LW		 2407typedef struct op OP;
2408typedef struct cop COP;
2409typedef struct unop UNOP;
2410typedef struct binop BINOP;
2411typedef struct listop LISTOP;
2412typedef struct logop LOGOP;
79072805
LW		 2413typedef struct pmop PMOP;
2414typedef struct svop SVOP;
7934575e 2415typedef struct padop PADOP;
79072805 2416typedef struct pvop PVOP;
79072805
LW		 2417typedef struct loop LOOP;
2418
52db365a 2419typedef struct block_hooks BHK;
1830b3d9 2420typedef struct custom_op XOP;
52db365a 2421
cd1541b2
NC		 2422typedef struct interpreter PerlInterpreter;
2423
d2b3f365
SS		 2424/* Amdahl's <ksync.h> has struct sv */
2425/* SGI's <sys/sema.h> has struct sv */
2426#if defined(UTS) || defined(__sgi)
2427# define STRUCT_SV perl_sv
b8d3c5db
JH		 2428#else
2429# define STRUCT_SV sv
2430#endif
2431typedef struct STRUCT_SV SV;
79072805
LW		 2432typedef struct av AV;
2433typedef struct hv HV;
2434typedef struct cv CV;
d2f13c59 2435typedef struct p5rx REGEXP;
79072805 2436typedef struct gp GP;
0c30d9ec 2437typedef struct gv GV;
8990e307 2438typedef struct io IO;
c09156bb 2439typedef struct context PERL_CONTEXT;
79072805
LW		 2440typedef struct block BLOCK;
2441
2442typedef struct magic MAGIC;
2443typedef struct xpv XPV;
2444typedef struct xpviv XPVIV;
ff68c719 2445typedef struct xpvuv XPVUV;
79072805
LW		 2446typedef struct xpvnv XPVNV;
2447typedef struct xpvmg XPVMG;
2448typedef struct xpvlv XPVLV;
2449typedef struct xpvav XPVAV;
2450typedef struct xpvhv XPVHV;
2451typedef struct xpvgv XPVGV;
2452typedef struct xpvcv XPVCV;
2453typedef struct xpvbm XPVBM;
2454typedef struct xpvfm XPVFM;
8990e307 2455typedef struct xpvio XPVIO;
79072805
LW		 2456typedef struct mgvtbl MGVTBL;
2457typedef union any ANY;
5f7fde29
GS		 2458typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2459typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2460typedef struct clone_params CLONE_PARAMS;
2461
378cc40b 2462#include "handy.h"
a0d0e21e 2463
6b8eaf93 2464#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2465# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2466# define USE_64_BIT_RAWIO /* implicit */
2467# endif
4564133c
JH		 2468#endif
2469
6b8eaf93
JH		 2470/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2471 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2472 * however, because operating systems like to do that themself. */
2473#ifndef FSEEKSIZE
2474# ifdef HAS_FSEEKO
2475# define FSEEKSIZE LSEEKSIZE
2476# else
2477# define FSEEKSIZE LONGSIZE
d460ef45 2478# endif
6b8eaf93
JH		 2479#endif
2480
2481#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2482# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2483# define USE_64_BIT_STDIO /* implicit */
2484# endif
2485#endif
4564133c 2486
09458382 2487#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2488# ifdef HAS_OFF64_T
2489# undef Off_t
2490# define Off_t off64_t
2491# undef LSEEKSIZE
2492# define LSEEKSIZE 8
5ff3f7a4 2493# endif
d9b3e12d
JH		 2494/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2495 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2496 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2497# if defined(USE_OPEN64)
2498# define open open64
5ff3f7a4 2499# endif
d9b3e12d
JH		 2500# if defined(USE_LSEEK64)
2501# define lseek lseek64
6b8eaf93
JH		 2502# else
2503# if defined(USE_LLSEEK)
2504# define lseek llseek
2505# endif
d9b3e12d
JH		 2506# endif
2507# if defined(USE_STAT64)
2508# define stat stat64
2509# endif
2510# if defined(USE_FSTAT64)
2511# define fstat fstat64
2512# endif
2513# if defined(USE_LSTAT64)
2514# define lstat lstat64
2515# endif
2516# if defined(USE_FLOCK64)
2517# define flock flock64
2518# endif
2519# if defined(USE_LOCKF64)
2520# define lockf lockf64
2521# endif
2522# if defined(USE_FCNTL64)
2523# define fcntl fcntl64
2524# endif
2525# if defined(USE_TRUNCATE64)
2526# define truncate truncate64
2527# endif
2528# if defined(USE_FTRUNCATE64)
2529# define ftruncate ftruncate64
2530# endif
2531#endif
2532
2533#ifdef USE_64_BIT_STDIO
2534# ifdef HAS_FPOS64_T
2535# undef Fpos_t
2536# define Fpos_t fpos64_t
2537# endif
2538/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2539 * will trigger defines like the ones below. Some 64-bit environments,
2540 * however, do not. */
2541# if defined(USE_FOPEN64)
2542# define fopen fopen64
2543# endif
2544# if defined(USE_FSEEK64)
6b8eaf93 2545# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2546# endif
2547# if defined(USE_FTELL64)
6b8eaf93 2548# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2549# endif
2550# if defined(USE_FSETPOS64)
2551# define fsetpos fsetpos64
2552# endif
2553# if defined(USE_FGETPOS64)
2554# define fgetpos fgetpos64
2555# endif
2556# if defined(USE_TMPFILE64)
2557# define tmpfile tmpfile64
2558# endif
2559# if defined(USE_FREOPEN64)
2560# define freopen freopen64
5ff3f7a4
GS		 2561# endif
2562#endif
2563
e37778c2 2564#if defined(OS2)
2c2d71f5
JH		 2565# include "iperlsys.h"
2566#endif
2567
6f71a643 2568#if defined(__OPEN_VM)
19848b3f
JH		 2569# include "vmesa/vmesaish.h"
2570# define ISHISH "vmesa"
6f71a643
JH		 2571#endif
2572
748a9306 2573#ifdef DOSISH
19848b3f
JH		 2574# if defined(OS2)
2575# include "os2ish.h"
2576# else
2577# include "dosish.h"
2578# endif
2579# define ISHISH "dos"
2580#endif
2581
2582#if defined(VMS)
748a9306 2583# include "vmsish.h"
96e176bf 2584# include "embed.h"
eb8433b7
NC		 2585# ifndef PERL_MAD
2586# undef op_getmad
b3f24c00 2587# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2588# endif
19848b3f
JH		 2589# define ISHISH "vms"
2590#endif
2591
2592#if defined(PLAN9)
2593# include "./plan9/plan9ish.h"
2594# define ISHISH "plan9"
2595#endif
2596
2597#if defined(MPE)
2598# include "mpeix/mpeixish.h"
2599# define ISHISH "mpeix"
2600#endif
2601
2602#if defined(__VOS__)
196918b0
PG		 2603# ifdef __GNUC__
2604# include "./vos/vosish.h"
2605# else
2606# include "vos/vosish.h"
2607# endif
19848b3f
JH		 2608# define ISHISH "vos"
2609#endif
2610
2611#if defined(EPOC)
2612# include "epocish.h"
2613# define ISHISH "epoc"
2614#endif
2615
9969cdde 2616#ifdef __SYMBIAN32__
27da23d5
JH		 2617# include "symbian/symbianish.h"
2618# include "embed.h"
eb8433b7
NC		 2619# ifndef PERL_MAD
2620# undef op_getmad
b3f24c00 2621# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2622# endif
27da23d5
JH		 2623# define ISHISH "symbian"
2624#endif
2625
19848b3f 2626
df00ff3b
IW		 2627#if defined(__HAIKU__)
2628# include "haiku/haikuish.h"
2629# define ISHISH "haiku"
2630#elif defined(__BEOS__)
efca5cc6
JH		 2631# include "beos/beosish.h"
2632# define ISHISH "beos"
2633#endif
2634
19848b3f
JH		 2635#ifndef ISHISH
2636# include "unixish.h"
2637# define ISHISH "unix"
13b6e58c
JH		 2638#endif
2639
2946a158
JH		 2640/* NSIG logic from Configure --> */
2641/* Strange style to avoid deeply-nested #if/#else/#endif */
2642#ifndef NSIG
2643# ifdef _NSIG
2644# define NSIG (_NSIG)
2645# endif
2646#endif
2647
2648#ifndef NSIG
2649# ifdef SIGMAX
2650# define NSIG (SIGMAX+1)
2651# endif
2652#endif
2653
2654#ifndef NSIG
2655# ifdef SIG_MAX
2656# define NSIG (SIG_MAX+1)
2657# endif
2658#endif
2659
2660#ifndef NSIG
2661# ifdef _SIG_MAX
2662# define NSIG (_SIG_MAX+1)
2663# endif
2664#endif
2665
2666#ifndef NSIG
2667# ifdef MAXSIG
2668# define NSIG (MAXSIG+1)
2669# endif
2670#endif
2671
2672#ifndef NSIG
2673# ifdef MAX_SIG
2674# define NSIG (MAX_SIG+1)
2675# endif
2676#endif
2677
2678#ifndef NSIG
2679# ifdef SIGARRAYSIZE
2680# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2681# endif
2682#endif
2683
2684#ifndef NSIG
2685# ifdef _sys_nsig
2686# define NSIG (_sys_nsig) /* Solaris 2.5 */
2687# endif
2688#endif
2689
2690/* Default to some arbitrary number that's big enough to get most
2691 of the common signals.
2692*/
2693#ifndef NSIG
2694# define NSIG 50
2695#endif
2696/* <-- NSIG logic from Configure */
2697
13b6e58c
JH		 2698#ifndef NO_ENVIRON_ARRAY
2699# define USE_ENVIRON_ARRAY
2700#endif
32f822de 2701
c77b533b
JH		 2702/*
2703 * initialise to avoid floating-point exceptions from overflow, etc
2704 */
2705#ifndef PERL_FPU_INIT
2706# ifdef HAS_FPSETMASK
2707# if HAS_FLOATINGPOINT_H
2708# include <floatingpoint.h>
2709# endif
ad3a8c67
NC		 2710/* Some operating systems have this as a macro, which in turn expands to a comma
2711 expression, and the last sub-expression is something that gets calculated,
2712 and then they have the gall to warn that a value computed is not used. Hence
2713 cast to void. */
2714# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2715# else
2f42fcb0 2716# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2717# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2718# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2719# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2720# else
2721# define PERL_FPU_INIT
2f42fcb0 2722
7014c407 2723# endif
c77b533b
JH		 2724# endif
2725#endif
b35112e7
CS		 2726#ifndef PERL_FPU_PRE_EXEC
2727# define PERL_FPU_PRE_EXEC {
2728# define PERL_FPU_POST_EXEC }
2729#endif
c77b533b 2730
cbec8ebe
DM		 2731#ifndef PERL_SYS_INIT3_BODY
2732# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2733#endif
2734
eb533572
DM		 2735/*
2736=for apidoc Am|void|PERL_SYS_INIT|int argc|char** argv
2737Provides system-specific tune up of the C runtime environment necessary to
2738run Perl interpreters. This should be called only once, before creating
2739any Perl interpreters.
2740
2741=for apidoc Am|void|PERL_SYS_INIT3|int argc|char** argv|char** env
2742Provides system-specific tune up of the C runtime environment necessary to
2743run Perl interpreters. This should be called only once, before creating
2744any Perl interpreters.
2745
2746=for apidoc Am|void|PERL_SYS_TERM|
2747Provides system-specific clean up of the C runtime environment after
2748running Perl interpreters. This should be called only once, after
2749freeing any remaining Perl interpreters.
2750
2751=cut
2752 */
2753
cbec8ebe
DM		 2754#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2755#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2756#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2757
be708cc0
JH		 2758#ifndef PERL_WRITE_MSG_TO_CONSOLE
2759# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2760#endif
2761
0f31cffe
GS		 2762#ifndef MAXPATHLEN
2763# ifdef PATH_MAX
b990c8b2
JH		 2764# ifdef _POSIX_PATH_MAX
2765# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2766/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2767 * included the null byte or not. Later amendments of POSIX,
2768 * XPG4, the Austin Group, and the Single UNIX Specification
2769 * all explicitly include the null byte in the PATH_MAX.
2770 * Ditto for _POSIX_PATH_MAX. */
2771# define MAXPATHLEN PATH_MAX
b990c8b2 2772# else
09448d78 2773# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2774# endif
2775# else
2776# define MAXPATHLEN (PATH_MAX+1)
2777# endif
0f31cffe 2778# else
b990c8b2 2779# ifdef _POSIX_PATH_MAX
09448d78 2780# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2781# else
2782# define MAXPATHLEN 1024 /* Err on the large side. */
2783# endif
0f31cffe
GS		 2784# endif
2785#endif
2786
c80263a8
SH		 2787/* In case Configure was not used (we are using a "canned config"
2788 * such as Win32, or a cross-compilation setup, for example) try going
2789 * by the gcc major and minor versions. One useful URL is
2790 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2791 * but contrary to this information warn_unused_result seems
2792 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2793 * Also, when building extensions with an installed perl, this allows
2794 * the user to upgrade gcc and get the right attributes, rather than
2795 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2796 * Set these up now otherwise we get confused when some of the <*thread.h>
2797 * includes below indirectly pull in <perlio.h> (which needs to know if we
2798 * have HASATTRIBUTE_FORMAT).
2799 */
2800
4d7c7898 2801#ifndef PERL_MICRO
fc2007d4 2802#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2803# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2804# define HASATTRIBUTE_DEPRECATED
2805# endif
c80263a8
SH		 2806# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2807# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2808# if defined __MINGW32__
2809# define PRINTF_FORMAT_NULL_OK
2810# endif
c80263a8
SH		 2811# endif
2812# if __GNUC__ >= 3 /* 3.0 -> */
2813# define HASATTRIBUTE_MALLOC
2814# endif
2815# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2816# define HASATTRIBUTE_NONNULL
2817# endif
2818# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2819# define HASATTRIBUTE_NORETURN
2820# endif
2821# if __GNUC__ >= 3 /* gcc 3.0 -> */
2822# define HASATTRIBUTE_PURE
2823# endif
42bf5550 2824# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2825# define HASATTRIBUTE_UNUSED
2826# endif
d324fe49
AD		 2827# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2828# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2829# endif
c80263a8
SH		 2830# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2831# define HASATTRIBUTE_WARN_UNUSED_RESULT
2832# endif
2833#endif
00f254e2 2834#endif /* #ifndef PERL_MICRO */
c80263a8 2835
3db8f154 2836/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2837 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2838 * this results in many functions being undeclared which bothers C++
2839 * May make sense to have threads after "*ish.h" anyway
2840 */
2841
3db8f154 2842#if defined(USE_ITHREADS)
2986a63f
JH		 2843# ifdef NETWARE
2844# include <nw5thread.h>
2845# else
32f822de
GS		 2846# ifdef FAKE_THREADS
2847# include "fakethr.h"
2848# else
2849# ifdef WIN32
2850# include <win32thread.h>
2851# else
dd96f567
IZ		 2852# ifdef OS2
2853# include "os2thread.h"
2854# else
7f3d1cf1 2855# ifdef I_MACH_CTHREADS
bdd66968 2856# include <mach/cthreads.h>
8f1f23e8 2857# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2858# define MUTEX_INIT_CALLS_MALLOC
2859# endif
7f3d1cf1
BH		 2860typedef cthread_t perl_os_thread;
2861typedef mutex_t perl_mutex;
2862typedef condition_t perl_cond;
2863typedef void * perl_key;
2864# else /* Posix threads */
1f5ae88c
JH		 2865# ifdef I_PTHREAD
2866# include <pthread.h>
2867# endif
7f3d1cf1
BH		 2868typedef pthread_t perl_os_thread;
2869typedef pthread_mutex_t perl_mutex;
2870typedef pthread_cond_t perl_cond;
2871typedef pthread_key_t perl_key;
2872# endif /* I_MACH_CTHREADS */
dd96f567 2873# endif /* OS2 */
32f822de
GS		 2874# endif /* WIN32 */
2875# endif /* FAKE_THREADS */
2986a63f 2876#endif /* NETWARE */
3db8f154 2877#endif /* USE_ITHREADS */
c5be433b 2878
66a93824 2879#if defined(WIN32)
1feb2720 2880# include "win32.h"
c5be433b
GS		 2881#endif
2882
2986a63f
JH		 2883#ifdef NETWARE
2884# include "netware.h"
2885#endif
2886
e5218da5 2887#define STATUS_UNIX PL_statusvalue
68dc0745 2888#ifdef VMS
6b88bc9c 2889# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2890/*
2891 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2892 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2893 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2894 * be updated also.
2895 */
2896# include <stsdef.h>
2897# include <ssdef.h>
2898/* Presume this because if VMS changes it, it will require a new
2899 * set of APIs for waiting on children for binary compatibility.
2900 */
2901# define child_offset_bits (8)
2902# ifndef C_FAC_POSIX
2903# define C_FAC_POSIX 0x35A000
2904# endif
2905
2906/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2907 * platform from the existing UNIX or Native status values.
2908 */
2909
37038d91 2910# define STATUS_EXIT \
7a7fd8e0
JM		 2911 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2912 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2913
7a7fd8e0 2914
fb38d079
JM		 2915/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2916 * exit code and shifts the UNIX value over the correct number of bits to
2917 * be a child status. Usually the number of bits is 8, but that could be
2918 * platform dependent. The NATIVE status code is presumed to have either
2919 * from a child process.
7a7fd8e0
JM		 2920 */
2921
fb38d079
JM		 2922/* This is complicated. The child processes return a true native VMS
2923 status which must be saved. But there is an assumption in Perl that
2924 the UNIX child status has some relationship to errno values, so
00f254e2 2925 Perl tries to translate it to text in some of the tests.
fb38d079
JM		 2926 In order to get the string translation correct, for the error, errno
2927 must be EVMSERR, but that generates a different text message
2928 than what the test programs are expecting. So an errno value must
2929 be derived from the native status value when an error occurs.
2930 That will hide the true native status message. With this version of
2931 perl, the true native child status can always be retrieved so that
2932 is not a problem. But in this case, Pl_statusvalue and errno may
2933 have different values in them.
2934 */
7a7fd8e0 2935
fb38d079 2936# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2937 STMT_START { \
2fbb330f
JM		 2938 I32 evalue = (I32)n; \
2939 if (evalue == EVMSERR) { \
2940 PL_statusvalue_vms = vaxc$errno; \
2941 PL_statusvalue = evalue; \
7a7fd8e0 2942 } else { \
2fbb330f 2943 PL_statusvalue_vms = evalue; \
fb38d079 2944 if (evalue == -1) { \
3280af22 2945 PL_statusvalue = -1; \
7a7fd8e0
JM		 2946 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2947 } else \
fb38d079 2948 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2949 set_vaxc_errno(evalue); \
fb38d079
JM		 2950 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2951 set_errno(EVMSERR); \
2952 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2953 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2954 } \
68dc0745 2955 } STMT_END
7a7fd8e0 2956
68dc0745 2957# ifdef VMSISH_STATUS
e5218da5 2958# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2959# else
e5218da5 2960# define STATUS_CURRENT STATUS_UNIX
68dc0745 2961# endif
7a7fd8e0
JM		 2962
2963 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2964 * the NATIVE status to an equivalent value. Can not be used to translate
2965 * exit code values as exit code values are not guaranteed to have any
2966 * relationship at all to errno values.
2967 * This is used when Perl is forcing errno to have a specific value.
2968 */
e5218da5 2969# define STATUS_UNIX_SET(n) \
68dc0745 2970 STMT_START { \
7a7fd8e0 2971 I32 evalue = (I32)n; \
0968cdad 2972 PL_statusvalue = evalue; \
3280af22 2973 if (PL_statusvalue != -1) { \
0968cdad
JM		 2974 if (PL_statusvalue != EVMSERR) { \
2975 PL_statusvalue &= 0xFFFF; \
2976 if (MY_POSIX_EXIT) \
2977 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2978 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2979 } \
2980 else { \
2981 PL_statusvalue_vms = vaxc$errno; \
2982 } \
68dc0745 2983 } \
0968cdad
JM		 2984 else PL_statusvalue_vms = SS$_ABORT; \
2985 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2986 } STMT_END
2987
2988 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 2989 * the NATIVE error status based on it.
2990 *
2991 * When in the default mode to comply with the Perl VMS documentation,
2992 * 0 is a success and any other code sets the NATIVE status to a failure
2993 * code of SS$_ABORT.
fb38d079
JM		 2994 *
2995 * In the new POSIX EXIT mode, native status will be set so that the
2996 * actual exit code will can be retrieved by the calling program or
2997 * shell.
2998 *
2999 * If the exit code is not clearly a UNIX parent or child exit status,
3000 * it will be passed through as a VMS status.
7a7fd8e0
JM		 3001 */
3002
fb38d079 3003# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 3004 STMT_START { \
3005 I32 evalue = (I32)n; \
3006 PL_statusvalue = evalue; \
e08e1e1d
JM		 3007 if (MY_POSIX_EXIT) { \
3008 if (evalue <= 0xFF00) { \
3009 if (evalue > 0xFF) \
3010 evalue = (evalue >> child_offset_bits) & 0xFF; \
3011 PL_statusvalue_vms = \
3012 (C_FAC_POSIX | (evalue << 3 ) | \
3013 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
3014 } else /* forgive them Perl, for they have sinned */ \
3015 PL_statusvalue_vms = evalue; \
3016 } else { \
3017 if (evalue == 0) \
3018 PL_statusvalue_vms = SS$_NORMAL; \
3019 else if (evalue <= 0xFF00) \
3020 PL_statusvalue_vms = SS$_ABORT; \
3021 else { /* forgive them Perl, for they have sinned */ \
3022 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3023 else PL_statusvalue_vms = vaxc$errno; \
3024 /* And obviously used a VMS status value instead of UNIX */ \
3025 PL_statusvalue = EVMSERR; \
3026 } \
3027 set_vaxc_errno(PL_statusvalue_vms); \
3028 } \
68dc0745 3029 } STMT_END
fb38d079 3030
e08e1e1d 3031
6ac6a52b
JM		 3032 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3033 * and sets the NATIVE error status based on it. This special case
3034 * is needed to maintain compatibility with past VMS behavior.
3035 *
3036 * In the default mode on VMS, this number is passed through as
3037 * both the NATIVE and UNIX status. Which makes it different
3038 * that the STATUS_UNIX_EXIT_SET.
3039 *
3040 * In the new POSIX EXIT mode, native status will be set so that the
3041 * actual exit code will can be retrieved by the calling program or
3042 * shell.
3043 *
1a3aec58
JM		 3044 * A POSIX exit code is from 0 to 255. If the exit code is higher
3045 * than this, it needs to be assumed that it is a VMS exit code and
3046 * passed through.
6ac6a52b
JM		 3047 */
3048
3049# define STATUS_EXIT_SET(n) \
3050 STMT_START { \
3051 I32 evalue = (I32)n; \
3052 PL_statusvalue = evalue; \
3053 if (MY_POSIX_EXIT) \
1a3aec58
JM		 3054 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3055 PL_statusvalue_vms = \
3056 (C_FAC_POSIX | (evalue << 3 ) | \
3057 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 3058 else \
3059 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3060 set_vaxc_errno(PL_statusvalue_vms); \
3061 } STMT_END
3062
fb38d079
JM		 3063
3064 /* This macro forces a success status */
7a7fd8e0
JM		 3065# define STATUS_ALL_SUCCESS \
3066 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 3067
3068 /* This macro forces a failure status */
7a7fd8e0
JM		 3069# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3070 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3071 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3072
68dc0745 3073#else
e5218da5 3074# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3075# if defined(WCOREDUMP)
37038d91 3076# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3077 STMT_START { \
3078 PL_statusvalue_posix = (n); \
3079 if (PL_statusvalue_posix == -1) \
3080 PL_statusvalue = -1; \
3081 else { \
3082 PL_statusvalue = \
3083 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3084 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3085 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3086 } \
3087 } STMT_END
3088# elif defined(WIFEXITED)
37038d91 3089# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3090 STMT_START { \
3091 PL_statusvalue_posix = (n); \
3092 if (PL_statusvalue_posix == -1) \
3093 PL_statusvalue = -1; \
3094 else { \
3095 PL_statusvalue = \
3096 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3097 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3098 } \
3099 } STMT_END
3100# else
37038d91 3101# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3102 STMT_START { \
3103 PL_statusvalue_posix = (n); \
3104 if (PL_statusvalue_posix == -1) \
3105 PL_statusvalue = -1; \
3106 else { \
3107 PL_statusvalue = \
3108 PL_statusvalue_posix & 0xFFFF; \
3109 } \
3110 } STMT_END
3111# endif
3112# define STATUS_UNIX_SET(n) \
68dc0745 3113 STMT_START { \
3280af22
NIS		 3114 PL_statusvalue = (n); \
3115 if (PL_statusvalue != -1) \
3116 PL_statusvalue &= 0xFFFF; \
68dc0745 3117 } STMT_END
7a7fd8e0 3118# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3119# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3120# define STATUS_CURRENT STATUS_UNIX
37038d91 3121# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3122# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3123# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3124#endif
3125
cc3604b1
GS		 3126/* flags in PL_exit_flags for nature of exit() */
3127#define PERL_EXIT_EXPECTED 0x01
31d77e54 3128#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 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.
486ec47a 3186 See comments in sv.c for further details.
8896765a 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
20023040
FC		 3211#ifndef HEKf
3212# define HEKf "2p"
3213#endif
3214
b8fa5213
FC		 3215/* Not ideal, but we cannot easily include a number in an already-numeric
3216 * format sequence. */
3217#ifndef HEKf256
3218# define HEKf256 "3p"
3219#endif
3220
20023040
FC		 3221#define HEKfARG(p) ((void*)(p))
3222
f46d31f2 3223#ifdef PERL_CORE
486ec47a 3224/* not used; but needed for backward compatibility with XS code? - RMB */
f46d31f2
RB		 3225# undef VDf
3226#else
3227# ifndef VDf
8896765a
RB		 3228# define VDf "vd"
3229# endif
014ead4b 3230#endif
170cd9e9
NC		 3231
3232#ifdef PERL_CORE
486ec47a 3233/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB		 3234# undef UVf
3235#else
170cd9e9
NC		 3236# ifndef UVf
3237# define UVf UVuf
3238# endif
d2560b70
RB		 3239#endif
3240
fcdf39cf
RGS		 3241#ifdef HASATTRIBUTE_DEPRECATED
3242# define __attribute__deprecated__ __attribute__((deprecated))
3243#endif
0dbb1585
AL		 3244#ifdef HASATTRIBUTE_FORMAT
3245# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3246#endif
3247#ifdef HASATTRIBUTE_MALLOC
77785eea 3248# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3249#endif
0dbb1585 3250#ifdef HASATTRIBUTE_NONNULL
abb2c242 3251# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3252#endif
0dbb1585 3253#ifdef HASATTRIBUTE_NORETURN
abb2c242 3254# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3255#endif
0dbb1585 3256#ifdef HASATTRIBUTE_PURE
abb2c242 3257# define __attribute__pure__ __attribute__((pure))
f22be1b8 3258#endif
0dbb1585
AL		 3259#ifdef HASATTRIBUTE_UNUSED
3260# define __attribute__unused__ __attribute__((unused))
3261#endif
3262#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3263# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3264#endif
3265
0dbb1585 3266/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3267#ifndef __attribute__deprecated__
3268# define __attribute__deprecated__
3269#endif
0dbb1585
AL		 3270#ifndef __attribute__format__
3271# define __attribute__format__(x,y,z)
3272#endif
f22be1b8 3273#ifndef __attribute__malloc__
abb2c242 3274# define __attribute__malloc__
f22be1b8
JH		 3275#endif
3276#ifndef __attribute__nonnull__
abb2c242 3277# define __attribute__nonnull__(a)
f22be1b8
JH		 3278#endif
3279#ifndef __attribute__noreturn__
abb2c242 3280# define __attribute__noreturn__
f22be1b8
JH		 3281#endif
3282#ifndef __attribute__pure__
abb2c242 3283# define __attribute__pure__
f22be1b8 3284#endif
0dbb1585
AL		 3285#ifndef __attribute__unused__
3286# define __attribute__unused__
3287#endif
f22be1b8 3288#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3289# define __attribute__warn_unused_result__
3290#endif
3291
0dbb1585
AL		 3292/* For functions that are marked as __attribute__noreturn__, it's not
3293 appropriate to call return. In either case, include the lint directive.
3294 */
3295#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3296# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3297#else
b37c2d43 3298# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH		 3299#endif
3300
cdfeb707
RB		 3301/* Some OS warn on NULL format to printf */
3302#ifdef PRINTF_FORMAT_NULL_OK
3303# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3304#else
00f254e2 3305# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB		 3306#endif
3307
635aebb7 3308#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3309# define EXPECT(expr,val) __builtin_expect(expr,val)
3310#else
3311# define EXPECT(expr,val) (expr)
3312#endif
3313#define LIKELY(cond) EXPECT(cond,1)
3314#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3315#ifdef HAS_BUILTIN_CHOOSE_EXPR
3316/* placeholder */
3317#endif
b37c2d43 3318
3fc1aec6 3319/* Some unistd.h's give a prototype for pause() even though
3320 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3321 below to be rejected by the compiler. Sigh.
3fc1aec6 3322*/
3323#ifdef HAS_PAUSE
3324#define Pause pause
3325#else
3326#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3327#endif
3328
3329#ifndef IOCPARM_LEN
3330# ifdef IOCPARM_MASK
61f1c44b 3331 /* on BSDish systems we're safe */
748a9306
LW		 3332# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3333# else
61f1c44b 3334# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3335 /* on Linux systems we're safe; except when we're not [perl #38223] */
3336# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3337# else
748a9306 3338 /* otherwise guess at what's safe */
61f1c44b
JVD		 3339# define IOCPARM_LEN(x) 256
3340# endif
748a9306 3341# endif
a0d0e21e
LW		 3342#endif
3343
1761cee5 3344#if defined(__CYGWIN__)
521e0776
GS		 3345/* USEMYBINMODE
3346 * This symbol, if defined, indicates that the program should
16fe6d59 3347 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3348 * that a file is in "binary" mode -- that is, that no translation
3349 * of bytes occurs on read or write operations.
3350 */
36894f0b 3351# define USEMYBINMODE /**/
77a40698 3352# include <io.h> /* for setmode() prototype */
16fe6d59 3353# define my_binmode(fp, iotype, mode) \
77a40698 3354 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3355#endif
3356
88d10794
JH		 3357#ifdef __CYGWIN__
3358void init_os_extras(void);
3359#endif
3360
cea2e8a9
GS		 3361#ifdef UNION_ANY_DEFINITION
3362UNION_ANY_DEFINITION;
3363#else
3364union any {
3365 void* any_ptr;
3366 I32 any_i32;
3367 IV any_iv;
c6bf6a65 3368 UV any_uv;
cea2e8a9 3369 long any_long;
9febdf04 3370 bool any_bool;
c76ac1ee 3371 void (*any_dptr) (void*);
acfe0abc 3372 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3373};
3374#endif
3375
acfe0abc 3376typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3377
3378#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3379#define FILTER_DATA(idx) \
3380 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3381#define FILTER_ISREADER(idx) \
3382 (PL_parser && PL_parser->rsfp_filters \
3383 && idx >= AvFILLp(PL_parser->rsfp_filters))
3384#define PERL_FILTER_EXISTS(i) \
3385 (PL_parser && PL_parser->rsfp_filters \
3386 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3387
c5078cac
JH		 3388#if defined(_AIX) && !defined(_AIX43)
3389#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3390/* We cannot include <crypt.h> to get the struct crypt_data
3391 * because of setkey prototype problems when threading */
3392typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3393 /* From OSF, Not needed in AIX
3394 char C[28], D[28];
3395 */
3396 char E[48];
3397 char KS[16][48];
3398 char block[66];
3399 char iobuf[16];
3400} CRYPTD;
3401#endif /* threading */
3402#endif /* AIX */
3403
e37778c2 3404#if !defined(OS2)
2c2d71f5
JH		 3405# include "iperlsys.h"
3406#endif
504f80c1 3407
9c12f1e5 3408#ifdef __LIBCATAMOUNT__
00f254e2 3409#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS		 3410#undef HAS_GROUP
3411#define FAKE_BIT_BUCKET
3412#endif
3413
d10dc2ae
JH		 3414/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3415 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3416 * defined by Configure, despite their names being similar to the
3417 * other defines like USE_ITHREADS. Configure in fact knows nothing
3418 * about the randomised hashes. Therefore to enable/disable the hash
3419 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3420#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3421# define USE_HASH_SEED
504f80c1
JH		 3422#endif
3423
598921a7
NC		 3424/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3425 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3426 * it's not really needed.
3427 */
3428#if defined(WIN32)
3429# define YYTOKENTYPE
3430#endif
3431#include "perly.h"
3432
3433#ifdef PERL_MAD
3434struct nexttoken {
3435 YYSTYPE next_val; /* value of next token, if any */
3436 I32 next_type; /* type of next token */
3437 MADPROP *next_mad; /* everything else about that token */
3438};
3439#endif
3440
654eccd5
JD		 3441/* macros to define bit-fields in structs. */
3442#ifndef PERL_BITFIELD8
3443# define PERL_BITFIELD8 unsigned
3444#endif
3445#ifndef PERL_BITFIELD16
3446# define PERL_BITFIELD16 unsigned
3447#endif
3448#ifndef PERL_BITFIELD32
3449# define PERL_BITFIELD32 unsigned
3450#endif
3451
79072805 3452#include "sv.h"
288b8c02 3453#include "regexp.h"
378cc40b 3454#include "util.h"
8d063cd8 3455#include "form.h"
79072805 3456#include "gv.h"
dd2155a4 3457#include "pad.h"
79072805 3458#include "cv.h"
abdd5c84 3459#include "opnames.h"
79072805 3460#include "op.h"
b3ca2e83 3461#include "hv.h"
79072805
LW		 3462#include "cop.h"
3463#include "av.h"
79072805
LW		 3464#include "mg.h"
3465#include "scope.h"
4438c4b7 3466#include "warnings.h"
a0ed51b3 3467#include "utf8.h"
8d063cd8 3468
0d7d409d
DM		 3469/* these would be in doio.h if there was such a file */
3470#define my_stat() my_stat_flags(SV_GMAGIC)
3471#define my_lstat() my_lstat_flags(SV_GMAGIC)
3472
20f4945e 3473/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM		 3474#undef _XPV_HEAD
3475#undef _XPVMG_HEAD
3476#undef _XPVCV_COMMON
7fae4e64
GS		 3477
3478typedef struct _sublex_info SUBLEXINFO;
3479struct _sublex_info {
651b5b28
NC		 3480 U8 super_state; /* lexer state to save */
3481 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3482 OP *sub_op; /* "lex_op" to use */
f06b5848
DM		 3483 char *super_bufptr; /* PL_parser->bufptr that was */
3484 char *super_bufend; /* PL_parser->bufend that was */
7fae4e64
GS		 3485};
3486
199e78b7
DM		 3487#include "parser.h"
3488
455ece5e 3489typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3490
2c2d71f5 3491struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3492struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3493
5f7fde29
GS		 3494struct ptr_tbl_ent {
3495 struct ptr_tbl_ent* next;
53c1dcc0 3496 const void* oldval;
5f7fde29 3497 void* newval;
d18c6117
GS		 3498};
3499
5f7fde29
GS		 3500struct ptr_tbl {
3501 struct ptr_tbl_ent** tbl_ary;
3502 UV tbl_max;
3503 UV tbl_items;
db93c0c4
NC		 3504 struct ptr_tbl_arena *tbl_arena;
3505 struct ptr_tbl_ent *tbl_arena_next;
3506 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS		 3507};
3508
450a55e4 3509#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3510# define I286
3511#endif
3512
fe14fcc3
LW		 3513#if defined(htonl) && !defined(HAS_HTONL)
3514#define HAS_HTONL
ae986130 3515#endif
fe14fcc3
LW		 3516#if defined(htons) && !defined(HAS_HTONS)
3517#define HAS_HTONS
ae986130 3518#endif
fe14fcc3
LW		 3519#if defined(ntohl) && !defined(HAS_NTOHL)
3520#define HAS_NTOHL
ae986130 3521#endif
fe14fcc3
LW		 3522#if defined(ntohs) && !defined(HAS_NTOHS)
3523#define HAS_NTOHS
ae986130 3524#endif
fe14fcc3 3525#ifndef HAS_HTONL
d9d8d8de 3526#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3527#define HAS_HTONS
3528#define HAS_HTONL
3529#define HAS_NTOHS
3530#define HAS_NTOHL
a687059c
LW		 3531#define MYSWAP
3532#define htons my_swap
3533#define htonl my_htonl
3534#define ntohs my_swap
3535#define ntohl my_ntohl
3536#endif
3537#else
d9d8d8de 3538#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3539#undef HAS_HTONS
3540#undef HAS_HTONL
3541#undef HAS_NTOHS
3542#undef HAS_NTOHL
a687059c
LW		 3543#endif
3544#endif
3545
988174c1
LW		 3546/*
3547 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3548 * -DWS
3549 */
3550#if BYTEORDER != 0x1234
3551# define HAS_VTOHL
3552# define HAS_VTOHS
3553# define HAS_HTOVL
3554# define HAS_HTOVS
c67712b2 3555# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3556# define vtohl(x) ((((x)&0xFF)<<24) \
3557 +(((x)>>24)&0xFF) \
3558 +(((x)&0x0000FF00)<<8) \
3559 +(((x)&0x00FF0000)>>8) )
3560# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3561# define htovl(x) vtohl(x)
3562# define htovs(x) vtohs(x)
3563# endif
3564 /* otherwise default to functions in util.c */
2a8c3029 3565#ifndef htovs
c623ac67
GS		 3566short htovs(short n);
3567short vtohs(short n);
3568long htovl(long n);
3569long vtohl(long n);
988174c1 3570#endif
2a8c3029 3571#endif
988174c1 3572
3bb7c1b4
JH		 3573/* *MAX Plus 1. A floating point value.
3574 Hopefully expressed in a way that dodgy floating point can't mess up.
3575 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3576 is added to it
3577 May find that some broken compiler will want the value cast to I32.
3578 [after the shift, as signed >> may not be as secure as unsigned >>]
3579*/
3580#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3581#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3582/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3583 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3584 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3585*/
3586#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3587
3bb7c1b4
JH		 3588#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3589#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3590#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3591
3592/* This may look like unnecessary jumping through hoops, but converting
3593 out of range floating point values to integers *is* undefined behaviour,
3594 and it is starting to bite.
3595*/
3596#ifndef CAST_INLINE
65202027 3597#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3598#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3599#define I_V(what) (cast_iv((NV)(what)))
3600#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3601#else
3602#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3603 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3604 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3605#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3606 : ((n) < U32_MAX_P1 ? (U32) (n) \
3607 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3608#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3609 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3610 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3611#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3612 : ((n) < UV_MAX_P1 ? (UV) (n) \
3613 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3614#endif
3615
3616#define U_S(what) ((U16)U_32(what))
3617#define U_I(what) ((unsigned int)U_32(what))
3618#define U_L(what) U_32(what)
ed6116ce 3619
ed140128
AD		 3620#ifdef HAS_SIGNBIT
3621# define Perl_signbit signbit
3622#endif
3623
2d4389e4
JH		 3624/* These do not care about the fractional part, only about the range. */
3625#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3626#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3627
25da4f38
IZ		 3628/* Used with UV/IV arguments: */
3629 /* XXXX: need to speed it up */
3630#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3631#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3632
352d5a3a
LW		 3633#ifndef MAXSYSFD
3634# define MAXSYSFD 2
3635#endif
ee0007ab 3636
79072805 3637#ifndef __cplusplus
27da23d5 3638#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3639Uid_t getuid (void);
3640Uid_t geteuid (void);
3641Gid_t getgid (void);
3642Gid_t getegid (void);
79072805 3643#endif
e1caacb4 3644#endif
8d063cd8 3645
0c30d9ec 3646#ifndef Perl_debug_log
bf49b057
GS		 3647# define Perl_debug_log PerlIO_stderr()
3648#endif
3649
3650#ifndef Perl_error_log
3651# define Perl_error_log (PL_stderrgv \
6b78add2 3652 && isGV(PL_stderrgv) \
01bb7c6d 3653 && GvIOp(PL_stderrgv) \
42de951c 3654 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3655 ? IoOFP(GvIOp(PL_stderrgv)) \
3656 : PerlIO_stderr())
0c30d9ec 3657#endif
3967c732 3658
aea4f609
DM		 3659
3660#define DEBUG_p_FLAG 0x00000001 /* 1 */
3661#define DEBUG_s_FLAG 0x00000002 /* 2 */
3662#define DEBUG_l_FLAG 0x00000004 /* 4 */
3663#define DEBUG_t_FLAG 0x00000008 /* 8 */
3664#define DEBUG_o_FLAG 0x00000010 /* 16 */
3665#define DEBUG_c_FLAG 0x00000020 /* 32 */
3666#define DEBUG_P_FLAG 0x00000040 /* 64 */
3667#define DEBUG_m_FLAG 0x00000080 /* 128 */
3668#define DEBUG_f_FLAG 0x00000100 /* 256 */
3669#define DEBUG_r_FLAG 0x00000200 /* 512 */
3670#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3671#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3672/* U is reserved for Unofficial, exploratory hacking */
3673#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3674#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3675#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3676#define DEBUG_D_FLAG 0x00008000 /* 32768 */
d2c25739 3677/* 0x00010000 is unused, used to be S */
aea4f609 3678#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3679#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3680#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3681#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3682#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3683#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3684#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 3685#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3686#define DEBUG_B_FLAG 0x02000000 /*33554432*/
3687#define DEBUG_MASK 0x03FEEFFF /* mask of all the standard flags */
aea4f609
DM		 3688
3689#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3690#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3691 that something was done? */
aea4f609 3692
bd16a5f0
IZ		 3693# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3694# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3695# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3696# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3697# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3698# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3699# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3700# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3701# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3702# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3703# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3704# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3705# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3706# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3707# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3708# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
bd16a5f0
IZ		 3709# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3710# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3711# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3712# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3713# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3714# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3715# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3716# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3717# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3718# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3719# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3720# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3721
3967c732 3722#ifdef DEBUGGING
aea4f609 3723
bd16a5f0
IZ		 3724# define DEBUG_p_TEST DEBUG_p_TEST_
3725# define DEBUG_s_TEST DEBUG_s_TEST_
3726# define DEBUG_l_TEST DEBUG_l_TEST_
3727# define DEBUG_t_TEST DEBUG_t_TEST_
3728# define DEBUG_o_TEST DEBUG_o_TEST_
3729# define DEBUG_c_TEST DEBUG_c_TEST_
3730# define DEBUG_P_TEST DEBUG_P_TEST_
3731# define DEBUG_m_TEST DEBUG_m_TEST_
3732# define DEBUG_f_TEST DEBUG_f_TEST_
3733# define DEBUG_r_TEST DEBUG_r_TEST_
3734# define DEBUG_x_TEST DEBUG_x_TEST_
3735# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3736# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3737# define DEBUG_H_TEST DEBUG_H_TEST_
3738# define DEBUG_X_TEST DEBUG_X_TEST_
3739# define DEBUG_D_TEST DEBUG_D_TEST_
bd16a5f0
IZ		 3740# define DEBUG_T_TEST DEBUG_T_TEST_
3741# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3742# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3743# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3744# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3745# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3746# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3747# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3748# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC		 3749# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3750# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3751# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3752
488b0c7a
JH		 3753# define PERL_DEB(a) a
3754# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3755# define DEBUG_p(a) if (DEBUG_p_TEST) a
3756# define DEBUG_s(a) if (DEBUG_s_TEST) a
3757# define DEBUG_l(a) if (DEBUG_l_TEST) a
3758# define DEBUG_t(a) if (DEBUG_t_TEST) a
3759# define DEBUG_o(a) if (DEBUG_o_TEST) a
3760# define DEBUG_c(a) if (DEBUG_c_TEST) a
3761# define DEBUG_P(a) if (DEBUG_P_TEST) a
3762
969058bb
VK		 3763 /* Temporarily turn off memory debugging in case the a
3764 * does memory allocation, either directly or indirectly. */
acfe0abc 3765# define DEBUG_m(a) \
0b250b9e 3766 STMT_START { \
aea4f609 3767 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3768 } STMT_END
aea4f609 3769
5f80b19c
AMS		 3770# define DEBUG__(t, a) \
3771 STMT_START { \
3772 if (t) STMT_START {a;} STMT_END; \
3773 } STMT_END
3774
3775# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3776#ifndef PERL_EXT_RE_BUILD
5f80b19c 3777# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3778#else
3779# define DEBUG_r(a) STMT_START {a;} STMT_END
3780#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3781# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3782# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3783# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3784# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3785# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3786# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3787# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3788# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3789# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3790
5f80b19c
AMS		 3791# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3792# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3793# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3794# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3795# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3796# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3797# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3798# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM		 3799
3800#else /* DEBUGGING */
3801
3802# define DEBUG_p_TEST (0)
3803# define DEBUG_s_TEST (0)
3804# define DEBUG_l_TEST (0)
3805# define DEBUG_t_TEST (0)
3806# define DEBUG_o_TEST (0)
3807# define DEBUG_c_TEST (0)
3808# define DEBUG_P_TEST (0)
3809# define DEBUG_m_TEST (0)
3810# define DEBUG_f_TEST (0)
3811# define DEBUG_r_TEST (0)
3812# define DEBUG_x_TEST (0)
3813# define DEBUG_u_TEST (0)
88d2d28a 3814# define DEBUG_U_TEST (0)
aea4f609
DM		 3815# define DEBUG_H_TEST (0)
3816# define DEBUG_X_TEST (0)
3817# define DEBUG_D_TEST (0)
aea4f609 3818# define DEBUG_T_TEST (0)
04932ac8 3819# define DEBUG_R_TEST (0)
1045810a 3820# define DEBUG_J_TEST (0)
d6721266 3821# define DEBUG_v_TEST (0)
46187eeb 3822# define DEBUG_C_TEST (0)
ecae49c0
NC		 3823# define DEBUG_A_TEST (0)
3824# define DEBUG_q_TEST (0)
d7c0d282 3825# define DEBUG_M_TEST (0)
cc8773c0 3826# define DEBUG_B_TEST (0)
7949c6f5
JC		 3827# define DEBUG_Xv_TEST (0)
3828# define DEBUG_Uv_TEST (0)
ad9e76a8 3829# define DEBUG_Pv_TEST (0)
aea4f609 3830
488b0c7a
JH		 3831# define PERL_DEB(a)
3832# define PERL_DEBUG(a)
aea4f609
DM		 3833# define DEBUG_p(a)
3834# define DEBUG_s(a)
3835# define DEBUG_l(a)
3836# define DEBUG_t(a)
3837# define DEBUG_o(a)
3838# define DEBUG_c(a)
3839# define DEBUG_P(a)
3840# define DEBUG_m(a)
3841# define DEBUG_f(a)
3842# define DEBUG_r(a)
3843# define DEBUG_x(a)
3844# define DEBUG_u(a)
88d2d28a 3845# define DEBUG_U(a)
aea4f609
DM		 3846# define DEBUG_H(a)
3847# define DEBUG_X(a)
3848# define DEBUG_D(a)
aea4f609 3849# define DEBUG_T(a)
04932ac8 3850# define DEBUG_R(a)
d6721266 3851# define DEBUG_v(a)
46187eeb 3852# define DEBUG_C(a)
ecae49c0
NC		 3853# define DEBUG_A(a)
3854# define DEBUG_q(a)
d7c0d282 3855# define DEBUG_M(a)
cc8773c0 3856# define DEBUG_B(a)
7949c6f5
JC		 3857# define DEBUG_Xv(a)
3858# define DEBUG_Uv(a)
ad9e76a8 3859# define DEBUG_Pv(a)
aea4f609
DM		 3860#endif /* DEBUGGING */
3861
3862
b4ab917c 3863#define DEBUG_SCOPE(where) \
d9f81b50 3864 DEBUG_l( \
1c98cc53
DM		 3865 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
3866 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
d9f81b50 3867 __FILE__, __LINE__));
b4ab917c 3868
de84dc04
NC		 3869#if defined(DEBUGGING) && defined(I_ASSERT)
3870# include <assert.h>
3871#endif
3872
3873/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3874 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3875
de84dc04 3876#define Perl_assert(what) PERL_DEB( \
2b057284 3877 ((what) ? ((void) 0) : \
67eb4d30 3878 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3879 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3880 (void) 0)))
de84dc04
NC		 3881
3882#ifndef assert
3883# define assert(what) Perl_assert(what)
a446a88f 3884#endif
8d063cd8 3885
450a55e4 3886struct ufuncs {
24f81a43
DM		 3887 I32 (*uf_val)(pTHX_ IV, SV*);
3888 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3889 IV uf_index;
450a55e4
LW		 3890};
3891
14befaf4 3892/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3893 * XS code wanting to be backward compatible can do something
3894 * like the following:
c745e42c 3895
24f81a43 3896#ifndef PERL_MG_UFUNC
24f81a43
DM		 3897#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3898#endif
3899
3900static PERL_MG_UFUNC(foo_get, index, val)
3901{
3902 sv_setsv(val, ...);
3903 return TRUE;
3904}
3905
3906-- Doug MacEachern
3907
3908*/
3909
fc9c74e6 3910#ifndef PERL_MG_UFUNC
24f81a43 3911#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3912#endif
24f81a43 3913
fe14fcc3 3914/* Fix these up for __STDC__ */
68dc0745 3915#ifndef DONT_DECLARE_STD
20ce7b12 3916char *mktemp (char*);
37bd1396 3917#ifndef atof
20ce7b12 3918double atof (const char*);
a0d0e21e 3919#endif
37bd1396 3920#endif
79072805 3921
352d5a3a 3922#ifndef STANDARD_C
fe14fcc3 3923/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3924Time_t time();
8d063cd8 3925struct tm *gmtime(), *localtime();
092bebab 3926#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3927char *(strchr)(), *(strrchr)();
3928char *(strcpy)(), *(strcat)();
3929#else
93a17b20 3930char *strchr(), *strrchr();
378cc40b 3931char *strcpy(), *strcat();
9d116dd7 3932#endif
352d5a3a 3933#endif /* ! STANDARD_C */
8d063cd8 3934
79072805
LW		 3935
3936#ifdef I_MATH
3937# include <math.h>
3938#else
32f822de 3939START_EXTERN_C
20ce7b12
GS		 3940 double exp (double);
3941 double log (double);
3942 double log10 (double);
3943 double sqrt (double);
3944 double frexp (double,int*);
3945 double ldexp (double,int);
3946 double modf (double,double*);
3947 double sin (double);
3948 double cos (double);
3949 double atan2 (double,double);
3950 double pow (double,double);
32f822de 3951END_EXTERN_C
79072805
LW		 3952#endif
3953
aa8b85de
JH		 3954#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3955# define NV_INF LDBL_INFINITY
3956#endif
3957#if !defined(NV_INF) && defined(DBL_INFINITY)
3958# define NV_INF (NV)DBL_INFINITY
3959#endif
3960#if !defined(NV_INF) && defined(INFINITY)
3961# define NV_INF (NV)INFINITY
3962#endif
3963#if !defined(NV_INF) && defined(INF)
3964# define NV_INF (NV)INF
3965#endif
3966#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3967# define NV_INF (NV)HUGE_VALL
3968#endif
3969#if !defined(NV_INF) && defined(HUGE_VAL)
3970# define NV_INF (NV)HUGE_VAL
3971#endif
3972
3973#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3974# if !defined(NV_NAN) && defined(LDBL_NAN)
3975# define NV_NAN LDBL_NAN
3976# endif
3977# if !defined(NV_NAN) && defined(LDBL_QNAN)
3978# define NV_NAN LDBL_QNAN
3979# endif
3980# if !defined(NV_NAN) && defined(LDBL_SNAN)
3981# define NV_NAN LDBL_SNAN
3982# endif
3983#endif
3984#if !defined(NV_NAN) && defined(DBL_NAN)
3985# define NV_NAN (NV)DBL_NAN
3986#endif
3987#if !defined(NV_NAN) && defined(DBL_QNAN)
3988# define NV_NAN (NV)DBL_QNAN
3989#endif
3990#if !defined(NV_NAN) && defined(DBL_SNAN)
3991# define NV_NAN (NV)DBL_SNAN
3992#endif
3993#if !defined(NV_NAN) && defined(QNAN)
3994# define NV_NAN (NV)QNAN
3995#endif
3996#if !defined(NV_NAN) && defined(SNAN)
3997# define NV_NAN (NV)SNAN
3998#endif
3999#if !defined(NV_NAN) && defined(NAN)
4000# define NV_NAN (NV)NAN
4001#endif
4002
a0d0e21e 4003#ifndef __cplusplus
8f1f23e8 4004# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 4005char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 4006# else
fd8cd3a3 4007# if !defined(WIN32) && !defined(VMS)
10bc17b6 4008#ifndef crypt
20ce7b12 4009char *crypt (const char*, const char*);
10bc17b6 4010#endif
5014db98 4011# endif /* !WIN32 */
8f1f23e8 4012# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 4013# ifndef DONT_DECLARE_STD
4014# ifndef getenv
20ce7b12 4015char *getenv (const char*);
26618a56 4016# endif /* !getenv */
28ca6303 4017# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 4018# ifdef _FILE_OFFSET_BITS
28ca6303 4019# if _FILE_OFFSET_BITS == 64
20ce7b12 4020Off_t lseek (int,Off_t,int);
0fc67700
JH		 4021# endif
4022# endif
bf0c440f 4023# endif
26618a56 4024# endif /* !DONT_DECLARE_STD */
10bc17b6 4025#ifndef getlogin
20ce7b12 4026char *getlogin (void);
10bc17b6 4027#endif
26618a56 4028#endif /* !__cplusplus */
79072805 4029
7a7fd8e0
JM		 4030/* Fixme on VMS. This needs to be a run-time, not build time options */
4031/* Also rename() is affected by this */
16d20bd9 4032#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 4033#define UNLINK unlnk
083639a9 4034I32 unlnk (pTHX_ const char*);
8d063cd8 4035#else
80252599 4036#define UNLINK PerlLIO_unlink
8d063cd8 4037#endif
a687059c 4038
fa0a29af
JH		 4039/* some versions of glibc are missing the setresuid() proto */
4040#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 4041int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4042#endif
fa0a29af
JH		 4043/* some versions of glibc are missing the setresgid() proto */
4044#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 4045int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4046#endif
4047
fe14fcc3 4048#ifndef HAS_SETREUID
85e6fe83
LW		 4049# ifdef HAS_SETRESUID
4050# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4051# define HAS_SETREUID
4052# endif
a687059c 4053#endif
fe14fcc3 4054#ifndef HAS_SETREGID
85e6fe83
LW		 4055# ifdef HAS_SETRESGID
4056# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4057# define HAS_SETREGID
4058# endif
a687059c 4059#endif
ee0007ab 4060
d543acb6 4061/* Sighandler_t defined in iperlsys.h */
ff68c719 4062
4063#ifdef HAS_SIGACTION
4064typedef struct sigaction Sigsave_t;
4065#else
4066typedef Sighandler_t Sigsave_t;
4067#endif
4068
ee0007ab
LW		 4069#define SCAN_DEF 0
4070#define SCAN_TR 1
4071#define SCAN_REPL 2
79072805
LW		 4072
4073#ifdef DEBUGGING
4633a7c4 4074# ifndef register
a0d0e21e
LW		 4075# define register
4076# endif
cea2e8a9 4077# define RUNOPS_DEFAULT Perl_runops_debug
79072805 4078#else
cea2e8a9 4079# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 4080#endif
4081
6cb8cb21 4082#ifdef USE_PERLIO
0934c9d9 4083EXTERN_C void PerlIO_teardown(void);
2f44961c 4084# ifdef USE_ITHREADS
6cb8cb21
RGS		 4085# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4086# define PERLIO_TERM \
4087 STMT_START { \
d0820ef1 4088 PerlIO_teardown(); \
6cb8cb21
RGS		 4089 MUTEX_DESTROY(&PL_perlio_mutex);\
4090 } STMT_END
4091# else
4092# define PERLIO_INIT
d0820ef1 4093# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 4094# endif
6b29934b
NC		 4095#else
4096# define PERLIO_INIT
4097# define PERLIO_TERM
6cb8cb21
RGS		 4098#endif
4099
18f739ee 4100#ifdef MYMALLOC
772fe5b3 4101# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 4102# define MALLOC_INIT \
4103 STMT_START { \
4104 PL_malloc_mutex = NULL; \
4105 MUTEX_INIT(&PL_malloc_mutex); \
4106 } STMT_END
4107# define MALLOC_TERM \
4108 STMT_START { \
4109 perl_mutex tmp = PL_malloc_mutex; \
4110 PL_malloc_mutex = NULL; \
4111 MUTEX_DESTROY(&tmp); \
4112 } STMT_END
4113# else
4114# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4115# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4116# endif
18f739ee
IZ		 4117#else
4118# define MALLOC_INIT
4119# define MALLOC_TERM
4120#endif
4121
cd1541b2 4122#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 4123
4124struct perl_memory_debug_header;
cd1541b2
NC		 4125struct perl_memory_debug_header {
4126 tTHX interpreter;
4127# ifdef PERL_POISON
4128 MEM_SIZE size;
cd1541b2 4129# endif
7cb608b5
NC		 4130 struct perl_memory_debug_header *prev;
4131 struct perl_memory_debug_header *next;
cd1541b2
NC		 4132};
4133
4134# define sTHX (sizeof(struct perl_memory_debug_header) + \
4135 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4136 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4137
d8fca402
NC		 4138#else
4139# define sTHX 0
cd1541b2
NC		 4140#endif
4141
7cb608b5
NC		 4142#ifdef PERL_TRACK_MEMPOOL
4143# define INIT_TRACK_MEMPOOL(header, interp) \
4144 STMT_START { \
4145 (header).interpreter = (interp); \
4146 (header).prev = (header).next = &(header); \
4147 } STMT_END
4148# else
4149# define INIT_TRACK_MEMPOOL(header, interp)
4150#endif
4151
1cd66f7c
DD		 4152#ifdef I_MALLOCMALLOC
4153/* Needed for malloc_size(), malloc_good_size() on some systems */
4154# include <malloc/malloc.h>
4155#endif
4156
ca7c1a29
NC		 4157#ifdef MYMALLOC
4158# define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
cfe52898 4159#else
e82be400
NC		 4160# ifdef HAS_MALLOC_SIZE
4161# ifdef PERL_TRACK_MEMPOOL
cfe52898
RGS		 4162# define Perl_safesysmalloc_size(where) \
4163 (malloc_size(((char *)(where)) - sTHX) - sTHX)
e82be400
NC		 4164# else
4165# define Perl_safesysmalloc_size(where) malloc_size(where)
4166# endif
4167# endif
4168# ifdef HAS_MALLOC_GOOD_SIZE
4169# ifdef PERL_TRACK_MEMPOOL
d8fca402
NC		 4170# define Perl_malloc_good_size(how_much) \
4171 (malloc_good_size((how_much) + sTHX) - sTHX)
e82be400
NC		 4172# else
4173# define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4174# endif
4175# else
d8fca402
NC		 4176/* Having this as the identity operation makes some code simpler. */
4177# define Perl_malloc_good_size(how_much) (how_much)
e82be400 4178# endif
ca7c1a29 4179#endif
b6d9d515 4180
16c91539
BM		 4181typedef int (*runops_proc_t)(pTHX);
4182typedef void (*share_proc_t) (pTHX_ SV *sv);
4183typedef int (*thrhook_proc_t) (pTHX);
4184typedef OP* (*PPADDR_t[]) (pTHX);
4185typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4186typedef void (*despatch_signals_proc_t) (pTHX);
22c35a8c 4187
8f1f23e8
W		 4188/* NeXT has problems with crt0.o globals */
4189#if defined(__DYNAMIC__) && \
6239f2da 4190 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 4191# if defined(NeXT) || defined(__NeXT)
4192# include <mach-o/dyld.h>
4193# define environ (*environ_pointer)
0c30d9ec 4194EXT char *** environ_pointer;
8f1f23e8 4195# else
6239f2da 4196# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 4197# include <crt_externs.h> /* for the env array */
4198# define environ (*_NSGetEnviron())
4199# endif
0c30d9ec 4200# endif
8f1f23e8
W		 4201#else
4202 /* VMS and some other platforms don't use the environ array */
13b6e58c 4203# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 4204# if !defined(DONT_DECLARE_STD) || \
4205 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
4206 defined(__sgi) || \
d460ef45 4207 defined(__DGUX)
8f1f23e8 4208extern char ** environ; /* environment variables supplied via exec */
a6c40364 4209# endif
8f1f23e8
W		 4210# endif
4211#endif
79072805 4212
457c5385
NC		 4213#define PERL_PATCHLEVEL_H_IMPLICIT
4214#include "patchlevel.h"
4215#undef PERL_PATCHLEVEL_H_IMPLICIT
4216
4217#define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4218 STRINGIFY(PERL_VERSION) "." \
4219 STRINGIFY(PERL_SUBVERSION)
4220
4221#define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4222 STRINGIFY(PERL_API_VERSION) "." \
4223 STRINGIFY(PERL_API_SUBVERSION)
4224
73c4f7a1
GS		 4225START_EXTERN_C
4226
79072805 4227/* handy constants */
22c35a8c 4228EXTCONST char PL_warn_uninit[]
29489e7c 4229 INIT("Use of uninitialized value%s%s%s");
fef7e7a0
BF		 4230EXTCONST char PL_warn_uninit_sv[]
4231 INIT("Use of uninitialized value%"SVf"%s%s");
22c35a8c 4232EXTCONST char PL_warn_nosemi[]
463ee0b2 4233 INIT("Semicolon seems to be missing");
22c35a8c 4234EXTCONST char PL_warn_reserved[]
463ee0b2 4235 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4236EXTCONST char PL_warn_nl[]
93a17b20 4237 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4238EXTCONST char PL_no_wrongref[]
a0d0e21e 4239 INIT("Can't use %s ref as %s ref");
def89bff
NC		 4240/* The core no longer needs these here. If you require the string constant,
4241 please inline a copy into your own code. */
973a7615
NC		 4242EXTCONST char PL_no_symref[] __attribute__deprecated__
4243 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
def89bff
NC		 4244EXTCONST char PL_no_symref_sv[] __attribute__deprecated__
4245 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 4246EXTCONST char PL_no_usym[]
8990e307 4247 INIT("Can't use an undefined value as %s reference");
22c35a8c 4248EXTCONST char PL_no_aelem[]
93a17b20 4249 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4250EXTCONST char PL_no_helem_sv[]
d04ff51e 4251 INIT("Modification of non-creatable hash value attempted, subscript \"%"SVf"\"");
22c35a8c 4252EXTCONST char PL_no_modify[]
93a17b20 4253 INIT("Modification of a read-only value attempted");
22c35a8c 4254EXTCONST char PL_no_mem[]
93a17b20 4255 INIT("Out of memory!\n");
22c35a8c 4256EXTCONST char PL_no_security[]
463ee0b2 4257 INIT("Insecure dependency in %s%s");
22c35a8c 4258EXTCONST char PL_no_sock_func[]
93a17b20 4259 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4260EXTCONST char PL_no_dir_func[]
93a17b20 4261 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4262EXTCONST char PL_no_func[]
93a17b20 4263 INIT("The %s function is unimplemented");
22c35a8c 4264EXTCONST char PL_no_myglob[]
952306ac 4265 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 4266EXTCONST char PL_no_localize_ref[]
4267 INIT("Can't localize through a reference");
27d5b266
JH		 4268EXTCONST char PL_memory_wrap[]
4269 INIT("panic: memory wrap");
93a17b20 4270
58f645e2
NC		 4271EXTCONST char PL_Yes[]
4272 INIT("1");
4273EXTCONST char PL_No[]
4274 INIT("");
4275EXTCONST char PL_hexdigit[]
4276 INIT("0123456789abcdef0123456789ABCDEF");
4277
0447859b
NC		 4278/* This is constant on most architectures, a global on OS/2 */
4279#ifndef OS2
4280EXTCONST char PL_sh_path[]
4281 INIT(SH_PATH); /* full path of shell */
4282#endif
4283
618b9757
NC		 4284#ifdef CSH
4285EXTCONST char PL_cshname[]
4286 INIT(CSH);
4287# define PL_cshlen (sizeof(CSH "") - 1)
4288#endif
4289
457c5385
NC		 4290/* These are baked at compile time into any shared perl library.
4291 In future releases this will allow us in main() to sanity test the
4292 library we're linking against. */
4293
4294EXTCONST U8 PL_revision
4295 INIT(PERL_REVISION);
4296EXTCONST U8 PL_version
4297 INIT(PERL_VERSION);
4298EXTCONST U8 PL_subversion
4299 INIT(PERL_SUBVERSION);
4300
7575fa06 4301EXTCONST char PL_uuemap[65]
80252599
GS		 4302 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4303
79072805 4304#ifdef DOINIT
9444d213 4305EXTCONST char PL_uudmap[256] =
dde5ec2c
NC		 4306# ifdef PERL_MICRO
4307# include "uuudmap.h"
4308# else
4309# include "uudmap.h"
4310# endif
9444d213 4311;
efa50c51 4312EXTCONST char PL_bitcount[256] =
dde5ec2c
NC		 4313# ifdef PERL_MICRO
4314# include "ubitcount.h"
4315#else
4316# include "bitcount.h"
4317# endif
efa50c51 4318;
27da23d5
JH		 4319EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4320EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4321#else
9444d213 4322EXTCONST char PL_uudmap[256];
efa50c51 4323EXTCONST char PL_bitcount[256];
27da23d5
JH		 4324EXTCONST char* const PL_sig_name[];
4325EXTCONST int PL_sig_num[];
79072805
LW		 4326#endif
4327
6d8e7a01
KW		 4328/* fast conversion and case folding tables. The folding tables complement the
4329 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4330 * folds such as outside the range or to multiple characters. */
bbce6d69 4331
79072805 4332#ifdef DOINIT
d02f4dad
KW		 4333#ifndef EBCDIC
4334
4335/* The EBCDIC fold table depends on the code page, and hence is found in
4336 * utfebcdic.h */
4337
22c35a8c 4338EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4339 0, 1, 2, 3, 4, 5, 6, 7,
4340 8, 9, 10, 11, 12, 13, 14, 15,
4341 16, 17, 18, 19, 20, 21, 22, 23,
4342 24, 25, 26, 27, 28, 29, 30, 31,
4343 32, 33, 34, 35, 36, 37, 38, 39,
4344 40, 41, 42, 43, 44, 45, 46, 47,
4345 48, 49, 50, 51, 52, 53, 54, 55,
4346 56, 57, 58, 59, 60, 61, 62, 63,
4347 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4348 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4349 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4350 'x', 'y', 'z', 91, 92, 93, 94, 95,
4351 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4352 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4353 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4354 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4355 128, 129, 130, 131, 132, 133, 134, 135,
4356 136, 137, 138, 139, 140, 141, 142, 143,
4357 144, 145, 146, 147, 148, 149, 150, 151,
4358 152, 153, 154, 155, 156, 157, 158, 159,
4359 160, 161, 162, 163, 164, 165, 166, 167,
4360 168, 169, 170, 171, 172, 173, 174, 175,
4361 176, 177, 178, 179, 180, 181, 182, 183,
4362 184, 185, 186, 187, 188, 189, 190, 191,
4363 192, 193, 194, 195, 196, 197, 198, 199,
4364 200, 201, 202, 203, 204, 205, 206, 207,
4365 208, 209, 210, 211, 212, 213, 214, 215,
4366 216, 217, 218, 219, 220, 221, 222, 223,
4367 224, 225, 226, 227, 228, 229, 230, 231,
4368 232, 233, 234, 235, 236, 237, 238, 239,
4369 240, 241, 242, 243, 244, 245, 246, 247,
4370 248, 249, 250, 251, 252, 253, 254, 255
4371};
3871f40b
KW		 4372EXTCONST unsigned char PL_fold_latin1[] = {
4373 /* Full latin1 complement folding, except for three problematic code points:
4374 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4375 * fold complements outside the Latin1 range, so can't match something
4376 * that isn't in utf8.
4377 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4378 * not one, so can't be represented in this table.
4379 *
4380 * All have to be specially handled */
4381 0, 1, 2, 3, 4, 5, 6, 7,
4382 8, 9, 10, 11, 12, 13, 14, 15,
4383 16, 17, 18, 19, 20, 21, 22, 23,
4384 24, 25, 26, 27, 28, 29, 30, 31,
4385 32, 33, 34, 35, 36, 37, 38, 39,
4386 40, 41, 42, 43, 44, 45, 46, 47,
4387 48, 49, 50, 51, 52, 53, 54, 55,
4388 56, 57, 58, 59, 60, 61, 62, 63,
4389 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4390 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4391 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4392 'x', 'y', 'z', 91, 92, 93, 94, 95,
4393 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4394 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4395 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4396 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4397 128, 129, 130, 131, 132, 133, 134, 135,
4398 136, 137, 138, 139, 140, 141, 142, 143,
4399 144, 145, 146, 147, 148, 149, 150, 151,
4400 152, 153, 154, 155, 156, 157, 158, 159,
4401 160, 161, 162, 163, 164, 165, 166, 167,
4402 168, 169, 170, 171, 172, 173, 174, 175,
4403 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4404 184, 185, 186, 187, 188, 189, 190, 191,
4405 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4406 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4407 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4408 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4409 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4410 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4411 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4412 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4413 255 /* y with diaeresis */
4414};
00f254e2
KW		 4415#endif /* !EBCDIC, but still in DOINIT */
4416
4417/* If these tables are accessed through ebcdic, the access will be converted to
4418 * latin1 first */
4419EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4420 0, 1, 2, 3, 4, 5, 6, 7,
4421 8, 9, 10, 11, 12, 13, 14, 15,
4422 16, 17, 18, 19, 20, 21, 22, 23,
4423 24, 25, 26, 27, 28, 29, 30, 31,
4424 32, 33, 34, 35, 36, 37, 38, 39,
4425 40, 41, 42, 43, 44, 45, 46, 47,
4426 48, 49, 50, 51, 52, 53, 54, 55,
4427 56, 57, 58, 59, 60, 61, 62, 63,
4428 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4429 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4430 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4431 'x', 'y', 'z', 91, 92, 93, 94, 95,
4432 96, 97, 98, 99, 100, 101, 102, 103,
4433 104, 105, 106, 107, 108, 109, 110, 111,
4434 112, 113, 114, 115, 116, 117, 118, 119,
4435 120, 121, 122, 123, 124, 125, 126, 127,
4436 128, 129, 130, 131, 132, 133, 134, 135,
4437 136, 137, 138, 139, 140, 141, 142, 143,
4438 144, 145, 146, 147, 148, 149, 150, 151,
4439 152, 153, 154, 155, 156, 157, 158, 159,
4440 160, 161, 162, 163, 164, 165, 166, 167,
4441 168, 169, 170, 171, 172, 173, 174, 175,
4442 176, 177, 178, 179, 180, 181, 182, 183,
4443 184, 185, 186, 187, 188, 189, 190, 191,
4444 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4445 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4446 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4447 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4448 224, 225, 226, 227, 228, 229, 230, 231,
4449 232, 233, 234, 235, 236, 237, 238, 239,
4450 240, 241, 242, 243, 244, 245, 246, 247,
4451 248, 249, 250, 251, 252, 253, 254, 255
4452};
4453
4454/* upper and title case of latin1 characters, modified so that the three tricky
4455 * ones are mapped to 255 (which is one of the three) */
4456EXTCONST unsigned char PL_mod_latin1_uc[] = {
4457 0, 1, 2, 3, 4, 5, 6, 7,
4458 8, 9, 10, 11, 12, 13, 14, 15,
4459 16, 17, 18, 19, 20, 21, 22, 23,
4460 24, 25, 26, 27, 28, 29, 30, 31,
4461 32, 33, 34, 35, 36, 37, 38, 39,
4462 40, 41, 42, 43, 44, 45, 46, 47,
4463 48, 49, 50, 51, 52, 53, 54, 55,
4464 56, 57, 58, 59, 60, 61, 62, 63,
4465 64, 65, 66, 67, 68, 69, 70, 71,
4466 72, 73, 74, 75, 76, 77, 78, 79,
4467 80, 81, 82, 83, 84, 85, 86, 87,
4468 88, 89, 90, 91, 92, 93, 94, 95,
4469 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4470 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4471 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4472 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4473 128, 129, 130, 131, 132, 133, 134, 135,
4474 136, 137, 138, 139, 140, 141, 142, 143,
4475 144, 145, 146, 147, 148, 149, 150, 151,
4476 152, 153, 154, 155, 156, 157, 158, 159,
4477 160, 161, 162, 163, 164, 165, 166, 167,
4478 168, 169, 170, 171, 172, 173, 174, 175,
4479 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4480 184, 185, 186, 187, 188, 189, 190, 191,
4481 192, 193, 194, 195, 196, 197, 198, 199,
4482 200, 201, 202, 203, 204, 205, 206, 207,
4483 208, 209, 210, 211, 212, 213, 214, 215,
4484 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/,
4485 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4486 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4487 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4488 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4489};
4490#else /* ! DOINIT */
22c35a8c 4491EXTCONST unsigned char PL_fold[];
3871f40b 4492EXTCONST unsigned char PL_fold_latin1[];
00f254e2
KW		 4493EXTCONST unsigned char PL_mod_latin1_uc[];
4494EXTCONST unsigned char PL_latin1_lc[];
79072805
LW		 4495#endif
4496
27da23d5 4497#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4498#ifdef DOINIT
27da23d5 4499EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4500 0, 1, 2, 3, 4, 5, 6, 7,
4501 8, 9, 10, 11, 12, 13, 14, 15,
4502 16, 17, 18, 19, 20, 21, 22, 23,
4503 24, 25, 26, 27, 28, 29, 30, 31,
4504 32, 33, 34, 35, 36, 37, 38, 39,
4505 40, 41, 42, 43, 44, 45, 46, 47,
4506 48, 49, 50, 51, 52, 53, 54, 55,
4507 56, 57, 58, 59, 60, 61, 62, 63,
4508 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4509 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4510 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4511 'x', 'y', 'z', 91, 92, 93, 94, 95,
4512 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4513 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4514 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4515 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4516 128, 129, 130, 131, 132, 133, 134, 135,
4517 136, 137, 138, 139, 140, 141, 142, 143,
4518 144, 145, 146, 147, 148, 149, 150, 151,
4519 152, 153, 154, 155, 156, 157, 158, 159,
4520 160, 161, 162, 163, 164, 165, 166, 167,
4521 168, 169, 170, 171, 172, 173, 174, 175,
4522 176, 177, 178, 179, 180, 181, 182, 183,
4523 184, 185, 186, 187, 188, 189, 190, 191,
4524 192, 193, 194, 195, 196, 197, 198, 199,
4525 200, 201, 202, 203, 204, 205, 206, 207,
4526 208, 209, 210, 211, 212, 213, 214, 215,
4527 216, 217, 218, 219, 220, 221, 222, 223,
4528 224, 225, 226, 227, 228, 229, 230, 231,
4529 232, 233, 234, 235, 236, 237, 238, 239,
4530 240, 241, 242, 243, 244, 245, 246, 247,
4531 248, 249, 250, 251, 252, 253, 254, 255
4532};
4533#else
27da23d5 4534EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4535#endif
27da23d5 4536#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4537
4538#ifdef DOINIT
9d116dd7 4539#ifdef EBCDIC
27da23d5 4540EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4541 1, 2, 84, 151, 154, 155, 156, 157,
4542 165, 246, 250, 3, 158, 7, 18, 29,
4543 40, 51, 62, 73, 85, 96, 107, 118,
4544 129, 140, 147, 148, 149, 150, 152, 153,
4545 255, 6, 8, 9, 10, 11, 12, 13,
4546 14, 15, 24, 25, 26, 27, 28, 226,
4547 29, 30, 31, 32, 33, 43, 44, 45,
4548 46, 47, 48, 49, 50, 76, 77, 78,
4549 79, 80, 81, 82, 83, 84, 85, 86,
4550 87, 94, 95, 234, 181, 233, 187, 190,
4551 180, 96, 97, 98, 99, 100, 101, 102,
4552 104, 112, 182, 174, 236, 232, 229, 103,
4553 228, 226, 114, 115, 116, 117, 118, 119,
4554 120, 121, 122, 235, 176, 230, 194, 162,
4555 130, 131, 132, 133, 134, 135, 136, 137,
4556 138, 139, 201, 205, 163, 217, 220, 224,
4557 5, 248, 227, 244, 242, 255, 241, 231,
4558 240, 253, 16, 197, 19, 20, 21, 187,
4559 23, 169, 210, 245, 237, 249, 247, 239,
4560 168, 252, 34, 196, 36, 37, 38, 39,
4561 41, 42, 251, 254, 238, 223, 221, 213,
4562 225, 177, 52, 53, 54, 55, 56, 57,
4563 58, 59, 60, 61, 63, 64, 65, 66,
4564 67, 68, 69, 70, 71, 72, 74, 75,
4565 205, 208, 186, 202, 200, 218, 198, 179,
4566 178, 214, 88, 89, 90, 91, 92, 93,
4567 217, 166, 170, 207, 199, 209, 206, 204,
4568 160, 212, 105, 106, 108, 109, 110, 111,
4569 203, 113, 216, 215, 192, 175, 193, 243,
4570 172, 161, 123, 124, 125, 126, 127, 128,
4571 222, 219, 211, 195, 188, 193, 185, 184,
4572 191, 183, 141, 142, 143, 144, 145, 146
4573};
4574#else /* ascii rather than ebcdic */
22c35a8c 4575EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4576 1, 2, 84, 151, 154, 155, 156, 157,
4577 165, 246, 250, 3, 158, 7, 18, 29,
4578 40, 51, 62, 73, 85, 96, 107, 118,
4579 129, 140, 147, 148, 149, 150, 152, 153,
4580 255, 182, 224, 205, 174, 176, 180, 217,
4581 233, 232, 236, 187, 235, 228, 234, 226,
4582 222, 219, 211, 195, 188, 193, 185, 184,
4583 191, 183, 201, 229, 181, 220, 194, 162,
4584 163, 208, 186, 202, 200, 218, 198, 179,
4585 178, 214, 166, 170, 207, 199, 209, 206,
4586 204, 160, 212, 216, 215, 192, 175, 173,
4587 243, 172, 161, 190, 203, 189, 164, 230,
4588 167, 248, 227, 244, 242, 255, 241, 231,
4589 240, 253, 169, 210, 245, 237, 249, 247,
4590 239, 168, 252, 251, 254, 238, 223, 221,
4591 213, 225, 177, 197, 171, 196, 159, 4,
4592 5, 6, 8, 9, 10, 11, 12, 13,
4593 14, 15, 16, 17, 19, 20, 21, 22,
4594 23, 24, 25, 26, 27, 28, 30, 31,
4595 32, 33, 34, 35, 36, 37, 38, 39,
4596 41, 42, 43, 44, 45, 46, 47, 48,
4597 49, 50, 52, 53, 54, 55, 56, 57,
4598 58, 59, 60, 61, 63, 64, 65, 66,
4599 67, 68, 69, 70, 71, 72, 74, 75,
4600 76, 77, 78, 79, 80, 81, 82, 83,
4601 86, 87, 88, 89, 90, 91, 92, 93,
4602 94, 95, 97, 98, 99, 100, 101, 102,
4603 103, 104, 105, 106, 108, 109, 110, 111,
4604 112, 113, 114, 115, 116, 117, 119, 120,
4605 121, 122, 123, 124, 125, 126, 127, 128,
4606 130, 131, 132, 133, 134, 135, 136, 137,
4607 138, 139, 141, 142, 143, 144, 145, 146
4608};
9d116dd7 4609#endif
79072805 4610#else
22c35a8c 4611EXTCONST unsigned char PL_freq[];
79072805
LW		 4612#endif
4613
8990e307
LW		 4614#ifdef DEBUGGING
4615#ifdef DOINIT
27da23d5 4616EXTCONST char* const PL_block_type[] = {
8990e307 4617 "NULL",
d01136d6 4618 "WHEN",
8990e307 4619 "BLOCK",
0d863452 4620 "GIVEN",
d01136d6
BS		 4621 "LOOP_FOR",
4622 "LOOP_PLAIN",
4623 "LOOP_LAZYSV",
4624 "LOOP_LAZYIV",
76753e7f
NC		 4625 "SUB",
4626 "FORMAT",
4627 "EVAL",
4628 "SUBST"
8990e307
LW		 4629};
4630#else
22c35a8c 4631EXTCONST char* PL_block_type[];
8990e307
LW		 4632#endif
4633#endif
4634
b75885fd
NC		 4635/* These are all the compile time options that affect binary compatibility.
4636 Other compile time options that are binary compatible are in perl.c
4637 Both are combined for the output of perl -V
4638 However, this string will be embedded in any shared perl library, which will
4639 allow us add a comparison check in perlmain.c in the near future. */
4640#ifdef DOINIT
4641EXTCONST char PL_bincompat_options[] =
4642# ifdef DEBUG_LEAKING_SCALARS
4643 " DEBUG_LEAKING_SCALARS"
4644# endif
4645# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4646 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4647# endif
4648# ifdef FAKE_THREADS
4649 " FAKE_THREADS"
4650# endif
eba804b9
NC		 4651# ifdef FCRYPT
4652 " FCRYPT"
4653# endif
4654# ifdef HAS_TIMES
4655 " HAS_TIMES"
4656# endif
4657# ifdef HAVE_INTERP_INTERN
426f6eb2 4658 " HAVE_INTERP_INTERN"
eba804b9 4659# endif
b75885fd
NC		 4660# ifdef MULTIPLICITY
4661 " MULTIPLICITY"
4662# endif
4663# ifdef MYMALLOC
4664 " MYMALLOC"
4665# endif
eba804b9
NC		 4666# ifdef PERLIO_LAYERS
4667 " PERLIO_LAYERS"
4668# endif
b75885fd
NC		 4669# ifdef PERL_DEBUG_READONLY_OPS
4670 " PERL_DEBUG_READONLY_OPS"
4671# endif
4672# ifdef PERL_GLOBAL_STRUCT
4673 " PERL_GLOBAL_STRUCT"
4674# endif
4675# ifdef PERL_IMPLICIT_CONTEXT
4676 " PERL_IMPLICIT_CONTEXT"
4677# endif
4678# ifdef PERL_IMPLICIT_SYS
4679 " PERL_IMPLICIT_SYS"
4680# endif
4681# ifdef PERL_MAD
4682 " PERL_MAD"
4683# endif
eba804b9
NC		 4684# ifdef PERL_MICRO
4685 " PERL_MICRO"
4686# endif
b75885fd
NC		 4687# ifdef PERL_NEED_APPCTX
4688 " PERL_NEED_APPCTX"
4689# endif
4690# ifdef PERL_NEED_TIMESBASE
4691 " PERL_NEED_TIMESBASE"
4692# endif
4693# ifdef PERL_OLD_COPY_ON_WRITE
4694 " PERL_OLD_COPY_ON_WRITE"
4695# endif
4696# ifdef PERL_POISON
4697 " PERL_POISON"
4698# endif
4699# ifdef PERL_TRACK_MEMPOOL
4700 " PERL_TRACK_MEMPOOL"
4701# endif
4702# ifdef PERL_USES_PL_PIDSTATUS
4703 " PERL_USES_PL_PIDSTATUS"
4704# endif
4705# ifdef PL_OP_SLAB_ALLOC
4706 " PL_OP_SLAB_ALLOC"
4707# endif
4708# ifdef THREADS_HAVE_PIDS
4709 " THREADS_HAVE_PIDS"
4710# endif
4711# ifdef USE_64_BIT_ALL
4712 " USE_64_BIT_ALL"
4713# endif
4714# ifdef USE_64_BIT_INT
4715 " USE_64_BIT_INT"
4716# endif
c7b392fa
NC		 4717# ifdef USE_IEEE
4718 " USE_IEEE"
4719# endif
b75885fd
NC		 4720# ifdef USE_ITHREADS
4721 " USE_ITHREADS"
4722# endif
4723# ifdef USE_LARGE_FILES
4724 " USE_LARGE_FILES"
4725# endif
eba804b9
NC		 4726# ifdef USE_LOCALE_COLLATE
4727 " USE_LOCALE_COLLATE"
4728# endif
4729# ifdef USE_LOCALE_NUMERIC
4730 " USE_LOCALE_NUMERIC"
4731# endif
b75885fd
NC		 4732# ifdef USE_LONG_DOUBLE
4733 " USE_LONG_DOUBLE"
4734# endif
4735# ifdef USE_PERLIO
4736 " USE_PERLIO"
4737# endif
4738# ifdef USE_REENTRANT_API
4739 " USE_REENTRANT_API"
4740# endif
4741# ifdef USE_SFIO
4742 " USE_SFIO"
4743# endif
4744# ifdef USE_SOCKS
4745 " USE_SOCKS"
4746# endif
4f575702
CB		 4747# ifdef VMS_DO_SOCKETS
4748 " VMS_DO_SOCKETS"
4f575702 4749# endif
e8b231c6
CB		 4750# ifdef VMS_SHORTEN_LONG_SYMBOLS
4751 " VMS_SHORTEN_LONG_SYMBOLS"
4752# endif
ad5e438d
NC		 4753# ifdef VMS_WE_ARE_CASE_SENSITIVE
4754 " VMS_SYMBOL_CASE_AS_IS"
4755# endif
a68dd89e 4756 "";
b75885fd
NC		 4757#else
4758EXTCONST char PL_bincompat_options[];
4759#endif
4760
ca7b837b
SM		 4761#ifndef PERL_SET_PHASE
4762# define PERL_SET_PHASE(new_phase) \
cb3f8189 4763 PHASE_CHANGE_PROBE(PL_phase_names[new_phase], PL_phase_names[PL_phase]); \
ca7b837b
SM		 4764 PL_phase = new_phase;
4765#endif
4766
9ebf26ad
FR		 4767/* The interpreter phases. If these ever change, PL_phase_names right below will
4768 * need to be updated accordingly. */
4769enum perl_phase {
4770 PERL_PHASE_CONSTRUCT = 0,
4771 PERL_PHASE_START = 1,
4772 PERL_PHASE_CHECK = 2,
4773 PERL_PHASE_INIT = 3,
4774 PERL_PHASE_RUN = 4,
4775 PERL_PHASE_END = 5,
4776 PERL_PHASE_DESTRUCT = 6
4777};
4778
4779#ifdef DOINIT
4780EXTCONST char *const PL_phase_names[] = {
4781 "CONSTRUCT",
4782 "START",
4783 "CHECK",
4784 "INIT",
4785 "RUN",
4786 "END",
4787 "DESTRUCT"
4788};
4789#else
4790EXTCONST char *const PL_phase_names[];
4791#endif
4792
627364f1
FR		 4793#ifndef PERL_CORE
4794/* Do not use this macro. It only exists for extensions that rely on PL_dirty
4795 * instead of using the newer PL_phase, which provides everything PL_dirty
4796 * provided, and more. */
4797# define PL_dirty (PL_phase == PERL_PHASE_DESTRUCT)
4798#endif /* !PERL_CORE */
4799
73c4f7a1
GS		 4800END_EXTERN_C
4801
79072805
LW		 4802/*****************************************************************************/
4803/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4804/*****************************************************************************/
8990e307 4805/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4806
d4c3c482 4807#ifdef __Lynx__
9cffb111
OS		 4808/* LynxOS defines these in scsi.h which is included via ioctl.h */
4809#ifdef FORMAT
4810#undef FORMAT
4811#endif
4812#ifdef SPACE
4813#undef SPACE
4814#endif
d4c3c482 4815#endif
9cffb111 4816
fb73857a 4817#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4818
79072805
LW		 4819typedef enum {
4820 XOPERATOR,
4821 XTERM,
79072805 4822 XREF,
8990e307 4823 XSTATE,
a0d0e21e 4824 XBLOCK,
09bef843
SB		 4825 XATTRBLOCK,
4826 XATTRTERM,
6f33ba73
RGS		 4827 XTERMBLOCK,
4828 XTERMORDORDOR /* evil hack */
27308ded 4829 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4830} expectation;
4831
d5ec2987
NC		 4832/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4833 special and there is no need for HINT_PRIVATE_MASK for COPs
4834 However, bitops store HINT_INTEGER in their op_private. */
9cfe5470
RGS		 4835#define HINT_INTEGER 0x00000001 /* integer pragma */
4836#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4837#define HINT_LOCALE 0x00000004 /* locale pragma */
4838#define HINT_BYTES 0x00000008 /* bytes pragma */
a0ed51b3 4839 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 4840 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 4841
4842#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4843#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4844#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
1863b879 4845#define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */
85e6fe83 4846
9cfe5470 4847/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4848#define HINT_NEW_INTEGER 0x00001000
4849#define HINT_NEW_FLOAT 0x00002000
4850#define HINT_NEW_BINARY 0x00004000
4851#define HINT_NEW_STRING 0x00008000
4852#define HINT_NEW_RE 0x00010000
4853#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 4854#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4855#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 4856
9cfe5470
RGS		 4857#define HINT_RE_TAINT 0x00100000 /* re pragma */
4858#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4859
9cfe5470
RGS		 4860#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4861#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4862
e46c382e
YK		 4863#define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
4864
1e215989
FC		 4865#define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */
4866
0239f47c 4867/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4868#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4869#define HINT_SORT_QUICKSORT 0x00000001
4870#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4871#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4872
8bfdd7d9 4873/* Various states of the input record separator SV (rs) */
d4cce5f1 4874#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4875#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4876#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4877#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4878
128e8167 4879/* A struct for keeping various DEBUGGING related stuff,
ce333219 4880 * neatly packed. Currently only scratch variables for
128e8167
JH		 4881 * constructing debug output are included. Needed always,
4882 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4883struct perl_debug_pad {
4884 SV pad[3];
4885};
4886
4887#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4888#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4889 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4890 PERL_DEBUG_PAD(i))
ce333219 4891
56953603 4892/* Enable variables which are pointers to functions */
16c91539
BM		 4893typedef void (*peep_t)(pTHX_ OP* o);
4894typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm);
4895typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg,
0cb96387
GS		 4896 char* strend, char* strbeg, I32 minend,
4897 SV* screamer, void* data, U32 flags);
16c91539 4898typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv,
f722798b
IZ		 4899 char *strpos, char *strend,
4900 U32 flags,
9f61653a 4901 re_scream_pos_data *d);
16c91539
BM		 4902typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog);
4903typedef void (*regfree_t) (pTHX_ struct regexp* r);
4904typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param);
a932d541 4905typedef I32 (*re_fold_t)(const char *, char const *, I32);
56953603 4906
c76ac1ee 4907typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc 4908typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
f30de749 4909typedef void (*SVFUNC_t) (pTHX_ SV* const);
31e9e0a3 4910typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
acfe0abc
GS		 4911typedef void (*XSINIT_t) (pTHX);
4912typedef void (*ATEXIT_t) (pTHX_ void*);
4913typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4914
16c91539
BM		 4915typedef OP* (*Perl_ppaddr_t)(pTHX);
4916typedef OP* (*Perl_check_t) (pTHX_ OP*);
4917typedef void(*Perl_ophook_t)(pTHX_ OP*);
4918typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**);
1830b3d9 4919typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *);
88e1f1a2 4920
d67594ff
FC		 4921typedef void(*globhook_t)(pTHX);
4922
88e1f1a2
JV		 4923#define KEYWORD_PLUGIN_DECLINE 0
4924#define KEYWORD_PLUGIN_STMT 1
4925#define KEYWORD_PLUGIN_EXPR 2
22239a37 4926
58a50f62
GS		 4927/* Interpreter exitlist entry */
4928typedef struct exitlistentry {
acfe0abc 4929 void (*fn) (pTHX_ void*);
58a50f62
GS		 4930 void *ptr;
4931} PerlExitListEntry;
4932
aadb217d
JH		 4933/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4934/* These have to be before perlvars.h */
4935#if !defined(HAS_SIGACTION) && defined(VMS)
4936# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4937#endif
4938/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4939#if defined(KILL_BY_SIGPRC)
4940# define FAKE_DEFAULT_SIGNAL_HANDLERS
4941#endif
4942
8c1cc017
NC		 4943#if !defined(MULTIPLICITY)
4944
4945struct interpreter {
4946 char broiled;
22239a37
NIS		 4947};
4948
8c1cc017 4949#else
22239a37 4950
d460ef45 4951/* If we have multiple interpreters define a struct
d4cce5f1 4952 holding variables which must be per-interpreter
d460ef45 4953 If we don't have threads anything that would have
d4cce5f1
NIS		 4954 be per-thread is per-interpreter.
4955*/
4956
8c1cc017 4957/* Set up PERLVAR macros for populating structs */
115ff745
NC		 4958# define PERLVAR(prefix,var,type) type prefix##var;
4959# define PERLVARA(prefix,var,n,type) type prefix##var[n];
4960# define PERLVARI(prefix,var,type,init) type prefix##var;
4961# define PERLVARIC(prefix,var,type,init) type prefix##var;
8c1cc017 4962
79072805 4963struct interpreter {
7766f137 4964# include "intrpvar.h"
49f531da 4965};
d4cce5f1 4966
724cf8d6
NC		 4967EXTCONST U16 PL_interp_size
4968 INIT(sizeof(struct interpreter));
4969
4970# define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \
4971 STRUCT_OFFSET(struct interpreter, member) + \
4972 sizeof(((struct interpreter*)0)->member)
4973
4974/* This will be useful for subsequent releases, because this has to be the
4975 same in your libperl as in main(), else you have a mismatch and must abort.
4976*/
4977EXTCONST U16 PL_interp_size_5_16_0
4978 INIT(PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_16_0_INTERP_MEMBER));
4979
4980
8c1cc017
NC		 4981# ifdef PERL_GLOBAL_STRUCT
4982/* MULTIPLICITY is automatically defined when PERL_GLOBAL_STRUCT is defined,
4983 hence it's safe and sane to nest this within #ifdef MULTIPLICITY */
4984
4985struct perl_vars {
4986# include "perlvars.h"
49f531da 4987};
8c1cc017 4988
724cf8d6
NC		 4989EXTCONST U16 PL_global_struct_size
4990 INIT(sizeof(struct perl_vars));
4991
8c1cc017
NC		 4992# ifdef PERL_CORE
4993# ifndef PERL_GLOBAL_STRUCT_PRIVATE
4994EXT struct perl_vars PL_Vars;
4995EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
4996# undef PERL_GET_VARS
4997# define PERL_GET_VARS() PL_VarsPtr
4998# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
4999# else /* PERL_CORE */
5000# if !defined(__GNUC__) || !defined(WIN32)
5001EXT
5002# endif /* WIN32 */
5003struct perl_vars *PL_VarsPtr;
5004# define PL_Vars (*((PL_VarsPtr) \
5005 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
5006# endif /* PERL_CORE */
5007# endif /* PERL_GLOBAL_STRUCT */
79072805 5008
22239a37 5009/* Done with PERLVAR macros for now ... */
8c1cc017
NC		 5010# undef PERLVAR
5011# undef PERLVARA
5012# undef PERLVARI
5013# undef PERLVARIC
8c1cc017
NC		 5014
5015#endif /* MULTIPLICITY */
79072805 5016
f7fe979e 5017struct tempsym; /* defined in pp_pack.c */
49704364 5018
22239a37 5019#include "thread.h"
79072805 5020#include "pp.h"
864dbfa3
GS		 5021
5022#ifndef PERL_CALLCONV
a0c21aa1
JH		 5023# ifdef __cplusplus
5024# define PERL_CALLCONV extern "C"
5025# else
5026# define PERL_CALLCONV
5027# endif
d460ef45 5028#endif
0cb96387
GS		 5029#undef PERL_CKDEF
5030#undef PERL_PPDEF
0159f81b
JH		 5031#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
5032#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 5033
158cfab6
JD		 5034#ifdef MYMALLOC
5035# include "malloc_ctl.h"
5036#endif
5037
7766f137 5038#include "proto.h"
864dbfa3 5039
0cb96387 5040/* this has structure inits, so it cannot be included before here */
acfe0abc 5041#include "opcode.h"
864dbfa3 5042
d4cce5f1
NIS		 5043/* The following must follow proto.h as #defines mess up syntax */
5044
22c35a8c
GS		 5045#if !defined(PERL_FOR_X2P)
5046# include "embedvar.h"
5047#endif
598921a7
NC		 5048#ifndef PERL_MAD
5049# undef PL_madskills
5050# undef PL_xmlfp
5051# define PL_madskills 0
5052# define PL_xmlfp 0
5053#endif
d4cce5f1 5054
d460ef45 5055/* Now include all the 'global' variables
d4cce5f1 5056 * If we don't have threads or multiple interpreters
d460ef45 5057 * these include variables that would have been their struct-s
d4cce5f1 5058 */
d460ef45 5059
115ff745
NC		 5060#define PERLVAR(prefix,var,type) EXT type PL_##var;
5061#define PERLVARA(prefix,var,n,type) EXT type PL_##var[n];
5062#define PERLVARI(prefix,var,type,init) EXT type PL_##var INIT(init);
5063#define PERLVARIC(prefix,var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 5064
acfe0abc 5065#if !defined(MULTIPLICITY)
7766f137 5066START_EXTERN_C
066ef5b5 5067# include "intrpvar.h"
7766f137 5068END_EXTERN_C
22239a37
NIS		 5069#endif
5070
24792b8d
NC		 5071#ifdef PERL_CORE
5072/* All core uses now exterminated. Ensure no zombies can return: */
5073# undef PL_na
5074#endif
5075
acfe0abc 5076#if defined(WIN32)
66a93824 5077/* Now all the config stuff is setup we can include embed.h */
22c35a8c 5078# include "embed.h"
eb8433b7
NC		 5079# ifndef PERL_MAD
5080# undef op_getmad
b3f24c00 5081# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 5082# endif
acfe0abc 5083#endif
22239a37 5084
c5be433b
GS		 5085#ifndef PERL_GLOBAL_STRUCT
5086START_EXTERN_C
5087
5088# include "perlvars.h"
5089
5090END_EXTERN_C
5091#endif
5092
d4cce5f1 5093#undef PERLVAR
51371543 5094#undef PERLVARA
d4cce5f1 5095#undef PERLVARI
0f3f18a6 5096#undef PERLVARIC
79072805 5097
73c4f7a1
GS		 5098START_EXTERN_C
5099
af2f0da9
NC		 5100/* dummy variables that hold pointers to both runops functions, thus forcing
5101 * them *both* to get linked in (useful for Peek.xs, debugging etc) */
5102
5103EXTCONST runops_proc_t PL_runops_std
5104 INIT(Perl_runops_standard);
5105EXTCONST runops_proc_t PL_runops_dbg
5106 INIT(Perl_runops_debug);
5107
bc028b6b
JH		 5108/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
5109 * magic vtables const, but this is incompatible with SWIG which
5110 * does want to modify the vtables. */
5111#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5112# define EXT_MGVTBL EXTCONST MGVTBL
5113#else
5114# define EXT_MGVTBL EXT MGVTBL
5115#endif
5116
82ff486e 5117#define PERL_MAGIC_READONLY_ACCEPTABLE 0x40
e0a73de4
NC		 5118#define PERL_MAGIC_VALUE_MAGIC 0x80
5119#define PERL_MAGIC_VTABLE_MASK 0x3F
82ff486e
NC		 5120#define PERL_MAGIC_TYPE_READONLY_ACCEPTABLE(t) \
5121 (PL_magic_data[(U8)(t)] & PERL_MAGIC_READONLY_ACCEPTABLE)
e0a73de4
NC		 5122#define PERL_MAGIC_TYPE_IS_VALUE_MAGIC(t) \
5123 (PL_magic_data[(U8)(t)] & PERL_MAGIC_VALUE_MAGIC)
5124
8b09643d 5125#include "mg_vtable.h"
6f83ef0e
NC		 5126
5127#ifdef DOINIT
5128EXTCONST U8 PL_magic_data[256] =
dde5ec2c
NC		 5129# ifdef PERL_MICRO
5130# include "umg_data.h"
5131# else
5132# include "mg_data.h"
5133# endif
6f83ef0e
NC		 5134;
5135#else
5136EXTCONST U8 PL_magic_data[256];
5137#endif
5138
f1fb8741
DM		 5139#ifdef DOINIT
5140 /* NL BD IV NV PV PI PN MG RX GV LV AV HV CV FM IO */
5141EXTCONST bool
5142PL_valid_types_IVX[] = { 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
5143EXTCONST bool
5144PL_valid_types_NVX[] = { 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
5145EXTCONST bool
5146PL_valid_types_PVX[] = { 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1 };
5147EXTCONST bool
5148PL_valid_types_RV[] = { 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1 };
5149EXTCONST bool
5150PL_valid_types_IV_set[] = { 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1 };
5151EXTCONST bool
5152PL_valid_types_NV_set[] = { 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 };
5153
5154#else
5155
5156EXTCONST bool PL_valid_types_IVX[];
5157EXTCONST bool PL_valid_types_NVX[];
5158EXTCONST bool PL_valid_types_PVX[];
5159EXTCONST bool PL_valid_types_RV[];
5160EXTCONST bool PL_valid_types_IV_set[];
5161EXTCONST bool PL_valid_types_NV_set[];
5162
5163#endif
5164
5165
bab3dc31 5166#include "overload.h"
a0d0e21e 5167
73c4f7a1
GS		 5168END_EXTERN_C
5169
a6006777 5170struct am_table {
8978b4ac
NC		 5171 U8 flags;
5172 U8 fallback;
5173 U16 spare;
eb160463 5174 U32 was_ok_sub;
a0d0e21e 5175 long was_ok_am;
9bd87817 5176 CV* table[NofAMmeth];
a0d0e21e 5177};
a6006777 5178struct am_table_short {
8978b4ac
NC		 5179 U8 flags;
5180 U8 fallback;
5181 U16 spare;
eb160463 5182 U32 was_ok_sub;
a6006777 5183 long was_ok_am;
a6006777 5184};
a0d0e21e 5185typedef struct am_table AMT;
a6006777 5186typedef struct am_table_short AMTS;
a0d0e21e
LW		 5187
5188#define AMGfallNEVER 1
5189#define AMGfallNO 2
5190#define AMGfallYES 3
5191
a6006777 5192#define AMTf_AMAGIC 1
32251b26 5193#define AMTf_OVERLOADED 2
a6006777 5194#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5195#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5196#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 5197#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
5198#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
5199#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 5200
32251b26 5201#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5202
5203/*
5204 * some compilers like to redefine cos et alia as faster
5205 * (and less accurate?) versions called F_cos et cetera (Quidquid
5206 * latine dictum sit, altum viditur.) This trick collides with
5207 * the Perl overloading (amg). The following #defines fool both.
5208 */
5209
5210#ifdef _FASTMATH
5211# ifdef atan2
5212# define F_atan2_amg atan2_amg
5213# endif
5214# ifdef cos
5215# define F_cos_amg cos_amg
5216# endif
5217# ifdef exp
5218# define F_exp_amg exp_amg
5219# endif
5220# ifdef log
5221# define F_log_amg log_amg
5222# endif
5223# ifdef pow
5224# define F_pow_amg pow_amg
5225# endif
5226# ifdef sin
5227# define F_sin_amg sin_amg
5228# endif
5229# ifdef sqrt
5230# define F_sqrt_amg sqrt_amg
5231# endif
5232#endif /* _FASTMATH */
5233
83ee9e09
GS		 5234#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5235 PERLDBf_NOOPT | PERLDBf_INTER | \
5236 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
b8fcbefe
NC		 5237 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5238 PERLDBf_SAVESRC)
925cfbb8 5239 /* No _NONAME, _GOTO */
83ee9e09
GS		 5240#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5241#define PERLDBf_LINE 0x02 /* Keep line # */
5242#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5243#define PERLDBf_INTER 0x08 /* Preserve more data for
5244 later inspections */
5245#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5246#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5247#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5248#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5249#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5250#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
b8fcbefe 5251#define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
486ec47a 5252#define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */
c30d8139 5253#define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
84902520 5254
3280af22
NIS		 5255#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5256#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5257#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5258#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5259#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5260#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5261#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5262#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5263#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5264#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
b8fcbefe 5265#define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC))
c30d8139
NC		 5266#define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS))
5267#define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID))
bbce6d69 5268
36477c24 5269#ifdef USE_LOCALE_NUMERIC
bbce6d69 5270
36477c24 5271#define SET_NUMERIC_STANDARD() \
ff4fed7c 5272 set_numeric_standard();
36477c24 5273
5274#define SET_NUMERIC_LOCAL() \
ff4fed7c 5275 set_numeric_local();
bbce6d69 5276
a98fe34d 5277#define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE)
2de3dbcc
JH		 5278#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
5279
5280#define IN_LOCALE \
923e4eb5 5281 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
2de3dbcc 5282
f93f4e46 5283#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 5284 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 5285 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 5286
5287#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 5288 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 5289 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 5290
5291#define RESTORE_NUMERIC_LOCAL() \
5292 if (was_local) SET_NUMERIC_LOCAL();
5293
5294#define RESTORE_NUMERIC_STANDARD() \
5295 if (was_standard) SET_NUMERIC_STANDARD();
5296
5b877257 5297#define Atof my_atof
097ee67d 5298
36477c24 5299#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5300
097ee67d
JH		 5301#define SET_NUMERIC_STANDARD() /**/
5302#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5303#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5304#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5305#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 5306#define RESTORE_NUMERIC_LOCAL() /**/
5307#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 5308#define Atof my_atof
ad3e0f90 5309#define IN_LOCALE_RUNTIME 0
bbce6d69 5310
36477c24 5311#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5312
079290de 5313#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5314# ifdef __hpux
5315# define strtoll __strtoll /* secret handshake */
5316# endif
c623ac67
GS		 5317# ifdef WIN64
5318# define strtoll _strtoi64 /* secret handshake */
5319# endif
079290de
GS		 5320# if !defined(Strtol) && defined(HAS_STRTOLL)
5321# define Strtol strtoll
ad551343 5322# endif
28e5dec8
JH		 5323# if !defined(Strtol) && defined(HAS_STRTOQ)
5324# define Strtol strtoq
5325# endif
ff935051 5326/* is there atoq() anywhere? */
15b99d39 5327#endif
079290de
GS		 5328#if !defined(Strtol) && defined(HAS_STRTOL)
5329# define Strtol strtol
5330#endif
5331#ifndef Atol
5332/* It would be more fashionable to use Strtol() to define atol()
5333 * (as is done for Atoul(), see below) but for backward compatibility
5334 * we just assume atol(). */
76b882ba 5335# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 5336# ifdef WIN64
5337# define atoll _atoi64 /* secret handshake */
5338# endif
76b882ba
JH		 5339# define Atol atoll
5340# else
5341# define Atol atol
5342# endif
cf2093f6
JH		 5343#endif
5344
55eb892c 5345#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5346# ifdef __hpux
5347# define strtoull __strtoull /* secret handshake */
5348# endif
c623ac67
GS		 5349# ifdef WIN64
5350# define strtoull _strtoui64 /* secret handshake */
5351# endif
ad551343 5352# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5353# define Strtoul strtoull
15b99d39 5354# endif
079290de
GS		 5355# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5356# define Strtoul strtouq
5357# endif
76d49b1c 5358/* is there atouq() anywhere? */
ad551343 5359#endif
079290de
GS		 5360#if !defined(Strtoul) && defined(HAS_STRTOUL)
5361# define Strtoul strtoul
cf2093f6 5362#endif
a5523c5b
JH		 5363#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5364# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5365#endif
079290de 5366#ifndef Atoul
d4c19fe8 5367# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5368#endif
cf2093f6 5369
760ac839 5370
06d86050
GS		 5371/* if these never got defined, they need defaults */
5372#ifndef PERL_SET_CONTEXT
5373# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5374#endif
5375
5376#ifndef PERL_GET_CONTEXT
5377# define PERL_GET_CONTEXT PERL_GET_INTERP
5378#endif
5379
5380#ifndef PERL_GET_THX
5381# define PERL_GET_THX ((void*)NULL)
5382#endif
5383
5384#ifndef PERL_SET_THX
5385# define PERL_SET_THX(t) NOOP
5386#endif
5387
a868473f
NIS		 5388#ifndef PERL_SCRIPT_MODE
5389#define PERL_SCRIPT_MODE "r"
5390#endif
5391
fba3b22e 5392/*
da927450
JH		 5393 * Some operating systems are stingy with stack allocation,
5394 * so perl may have to guard against stack overflow.
5395 */
5396#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5397#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5398#endif
5399
5400/*
5401 * Some nonpreemptive operating systems find it convenient to
5402 * check for asynchronous conditions after each op execution.
5403 * Keep this check simple, or it may slow down execution
5404 * massively.
5405 */
ce08f86c 5406
1d615522 5407#ifndef PERL_MICRO
4ffa73a3 5408# ifndef PERL_ASYNC_CHECK
16c91539 5409# define PERL_ASYNC_CHECK() if (PL_sig_pending) PL_signalhook(aTHX)
4ffa73a3 5410# endif
ce08f86c
NIS		 5411#endif
5412
da927450 5413#ifndef PERL_ASYNC_CHECK
1d615522 5414# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5415#endif
5416
5417/*
5418 * On some operating systems, a memory allocation may succeed,
5419 * but put the process too close to the system's comfort limit.
5420 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5421 * it to NULL.
5422 */
5423#ifndef PERL_ALLOC_CHECK
c2af87cb 5424#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5425#endif
5426
bd89102f
AD		 5427#ifdef HAS_SEM
5428# include <sys/ipc.h>
5429# include <sys/sem.h>
5430# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5431 union semun {
dbba660d
TC		 5432 int val;
5433 struct semid_ds *buf;
5434 unsigned short *array;
bd89102f
AD		 5435 };
5436# endif
5437# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5438# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5439 union gccbug_semun {
5440 int val;
5441 struct semid_ds *buf;
5442 unsigned short *array;
5443 char __dummy[5];
5444 };
5445# define semun gccbug_semun
5446# endif
bd89102f
AD		 5447# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5448# else
5449# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5450# ifdef EXTRA_F_IN_SEMUN_BUF
5451# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5452# else
5453# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5454# endif
bd89102f
AD		 5455# endif
5456# endif
bd89102f 5457#endif
49f531da 5458
89ca4ac7
JH		 5459/*
5460 * Boilerplate macros for initializing and accessing interpreter-local
5461 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 5462 * this, if you want to make the extension thread-safe. See
5463 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5464 * and perlxs.pod for more.
89ca4ac7
JH		 5465 *
5466 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5467 * 1. #define MY_CXT_KEY to a unique string, e.g.
5468 * "DynaLoader::_guts" XS_VERSION
f16dd614 5469 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5470 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5471 * all the data that needs to be interpreter-local.
5472 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5473 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5474 * (typically put in the BOOT: section).
5475 * 5. Use the members of the my_cxt_t structure everywhere as
5476 * MY_CXT.member.
5477 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5478 * access MY_CXT.
5479 */
5480
fc958cd2 5481#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 5482
4eddb856 5483/* START_MY_CXT must appear in all extensions that define a my_cxt_t structure,
53d44271
JH		 5484 * right after the definition (i.e. at file scope). The non-threads
5485 * case below uses it to declare the data as static. */
00ab59c9
DM		 5486# ifdef PERL_GLOBAL_STRUCT_PRIVATE
5487# define START_MY_CXT
5488# define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5489# define MY_CXT_INIT_ARG MY_CXT_KEY
5490# else
5491# define START_MY_CXT static int my_cxt_index = -1;
5492# define MY_CXT_INDEX my_cxt_index
5493# define MY_CXT_INIT_ARG &my_cxt_index
5494# endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
53d44271
JH		 5495
5496/* Creates and zeroes the per-interpreter data.
5497 * (We allocate my_cxtp in a Perl SV so that it will be released when
5498 * the interpreter goes away.) */
00ab59c9 5499# define MY_CXT_INIT \
53d44271 5500 my_cxt_t *my_cxtp = \
27cbf00a 5501 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t))
00ab59c9 5502# define MY_CXT_INIT_INTERP(my_perl) \
53d44271 5503 my_cxt_t *my_cxtp = \
27cbf00a 5504 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t))
53d44271
JH		 5505
5506/* This declaration should be used within all functions that use the
5507 * interpreter-local data. */
00ab59c9 5508# define dMY_CXT \
53d44271 5509 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
00ab59c9 5510# define dMY_CXT_INTERP(my_perl) \
53d44271
JH		 5511 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5512
5513/* Clones the per-interpreter data. */
00ab59c9 5514# define MY_CXT_CLONE \
53d44271
JH		 5515 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5516 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5517 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5518
53d44271 5519
89ca4ac7
JH		 5520/* This macro must be used to access members of the my_cxt_t structure.
5521 * e.g. MYCXT.some_data */
00ab59c9 5522# define MY_CXT (*my_cxtp)
89ca4ac7
JH		 5523
5524/* Judicious use of these macros can reduce the number of times dMY_CXT
5525 * is used. Use is similar to pTHX, aTHX etc. */
00ab59c9
DM		 5526# define pMY_CXT my_cxt_t *my_cxtp
5527# define pMY_CXT_ pMY_CXT,
5528# define _pMY_CXT ,pMY_CXT
5529# define aMY_CXT my_cxtp
5530# define aMY_CXT_ aMY_CXT,
5531# define _aMY_CXT ,aMY_CXT
89ca4ac7 5532
f16dd614 5533#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7 5534
00ab59c9
DM		 5535# define START_MY_CXT static my_cxt_t my_cxt;
5536# define dMY_CXT_SV dNOOP
5537# define dMY_CXT dNOOP
5538# define dMY_CXT_INTERP(my_perl) dNOOP
5539# define MY_CXT_INIT NOOP
5540# define MY_CXT_CLONE NOOP
5541# define MY_CXT my_cxt
5542
5543# define pMY_CXT void
5544# define pMY_CXT_
5545# define _pMY_CXT
5546# define aMY_CXT
5547# define aMY_CXT_
5548# define _aMY_CXT
89ca4ac7 5549
f16dd614 5550#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5551
9a34ef1d
GS		 5552#ifdef I_FCNTL
5553# include <fcntl.h>
9a34ef1d
GS		 5554#endif
5555
9cffb111
OS		 5556#ifdef __Lynx__
5557# include <fcntl.h>
5558#endif
5559
9a34ef1d
GS		 5560#ifdef I_SYS_FILE
5561# include <sys/file.h>
5562#endif
5563
fa0a29af 5564#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5565int flock(int fd, int op);
5566#endif
5567
fe52b3b7
GS		 5568#ifndef O_RDONLY
5569/* Assume UNIX defaults */
5570# define O_RDONLY 0000
5571# define O_WRONLY 0001
5572# define O_RDWR 0002
5573# define O_CREAT 0100
5574#endif
9a34ef1d 5575
16fe6d59
GS		 5576#ifndef O_BINARY
5577# define O_BINARY 0
5578#endif
5579
5580#ifndef O_TEXT
5581# define O_TEXT 0
5582#endif
5583
6ce75a77
JH		 5584#if O_TEXT != O_BINARY
5585 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5586 * that is, you are somehow DOSish. */
df00ff3b
IW		 5587# if defined(__BEOS__) || defined(__HAIKU__) || defined(__VOS__) || \
5588 defined(__CYGWIN__)
5589 /* BeOS/Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5590 * BeOS/Haiku is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5591 /* VOS has O_TEXT != O_BINARY, and they have effect,
5592 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5593 /* If you have O_TEXT different from your O_BINARY but you still are
5594 * not a CRLF shop. */
35990314 5595# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5596# else
5597 /* If you really are DOSish. */
5598# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5599# endif
5600#endif
5601
4bc88a62
PS		 5602#ifdef I_LIBUTIL
5603# include <libutil.h> /* setproctitle() in some FreeBSDs */
5604#endif
5605
b4748376 5606#ifndef EXEC_ARGV_CAST
360ea906 5607#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 5608#endif
5609
dd5dc04f
JH		 5610#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5611 int). value returned in pointed-
5612 to UV */
5613#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5614#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5615#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5616#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5617#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5618
5619#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5620
53305cf1
NC		 5621/* Input flags: */
5622#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5623#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5624#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
02470786
KW		 5625#define PERL_SCAN_SILENT_NON_PORTABLE 0x08 /* grok_??? not warn about very large
5626 numbers which are <= UV_MAX */
53305cf1
NC		 5627/* Output flags: */
5628#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5629
2c4f7f0e
DM		 5630/* to let user control profiling */
5631#ifdef PERL_GPROF_CONTROL
5632extern void moncontrol(int);
5633#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5634#else
5635#define PERL_GPROF_MONCONTROL(x)
5636#endif
5637
ae0e3d3b
JH		 5638#ifdef UNDER_CE
5639#include "wince.h"
5640#endif
5641
5642/* ISO 6429 NEL - C1 control NExt Line */
5643/* See http://www.unicode.org/unicode/reports/tr13/ */
5644#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
5645# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
5646# define NEXT_LINE_CHAR 0x15
5647# else /* CDRA */
5648# define NEXT_LINE_CHAR 0x25
5649# endif
5650#else
5651# define NEXT_LINE_CHAR 0x85
5652#endif
5653
5654/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5655#define UNICODE_LINE_SEPA_0 0xE2
5656#define UNICODE_LINE_SEPA_1 0x80
5657#define UNICODE_LINE_SEPA_2 0xA8
5658#define UNICODE_PARA_SEPA_0 0xE2
5659#define UNICODE_PARA_SEPA_1 0x80
5660#define UNICODE_PARA_SEPA_2 0xA9
5661
479b2847
GS		 5662#ifndef PIPESOCK_MODE
5663# define PIPESOCK_MODE
5664#endif
5665
460c8493
IZ		 5666#ifndef SOCKET_OPEN_MODE
5667# define SOCKET_OPEN_MODE PIPESOCK_MODE
5668#endif
5669
5670#ifndef PIPE_OPEN_MODE
5671# define PIPE_OPEN_MODE PIPESOCK_MODE
5672#endif
5673
7e8c5dac
HS		 5674#define PERL_MAGIC_UTF8_CACHESIZE 2
5675
a05d7ebb
JH		 5676#define PERL_UNICODE_STDIN_FLAG 0x0001
5677#define PERL_UNICODE_STDOUT_FLAG 0x0002
5678#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5679#define PERL_UNICODE_IN_FLAG 0x0008
5680#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5681#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5682#define PERL_UNICODE_LOCALE_FLAG 0x0040
5683#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 5684#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 5685
06e66572
JH		 5686#define PERL_UNICODE_STD_FLAG \
5687 (PERL_UNICODE_STDIN_FLAG | \
5688 PERL_UNICODE_STDOUT_FLAG | \
5689 PERL_UNICODE_STDERR_FLAG)
5690
5691#define PERL_UNICODE_INOUT_FLAG \
5692 (PERL_UNICODE_IN_FLAG | \
5693 PERL_UNICODE_OUT_FLAG)
5694
5695#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5696 (PERL_UNICODE_STD_FLAG | \
5697 PERL_UNICODE_INOUT_FLAG | \
5698 PERL_UNICODE_LOCALE_FLAG)
5699
5a22a2bb 5700#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 5701
5702#define PERL_UNICODE_STDIN 'I'
5703#define PERL_UNICODE_STDOUT 'O'
5704#define PERL_UNICODE_STDERR 'E'
5705#define PERL_UNICODE_STD 'S'
5706#define PERL_UNICODE_IN 'i'
5707#define PERL_UNICODE_OUT 'o'
5708#define PERL_UNICODE_INOUT 'D'
5709#define PERL_UNICODE_ARGV 'A'
5710#define PERL_UNICODE_LOCALE 'L'
5711#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 5712#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 5713
4ffa73a3
JH		 5714#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5715
32fdb065 5716/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5717 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5718#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5719
3c0f78ca
JH		 5720#if defined(__DECC) && defined(__osf__)
5721#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 5722#endif
5723
e4dba786
NC		 5724#define do_open(g, n, l, a, rm, rp, sf) \
5725 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 5726#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 5727# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 5728#endif
15871fce
NC		 5729#ifdef OS2
5730# define do_aexec Perl_do_aexec
5731#else
5732# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 5733#endif
e4dba786 5734
2f3efc97
JH		 5735#if defined(OEMVS)
5736#define NO_ENV_ARRAY_IN_MAIN
5737#endif
5738
00f254e2
KW		 5739/* These are used by Perl_pv_escape() and Perl_pv_pretty()
5740 * are here so that they are available throughout the core
10edeb5d
JH		 5741 * NOTE that even though some are for _escape and some for _pretty
5742 * there must not be any clashes as the flags from _pretty are
5743 * passed straight through to _escape.
5744 */
5745
5746#define PERL_PV_ESCAPE_QUOTE 0x0001
5747#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
5748
95b611b0 5749#define PERL_PV_PRETTY_ELLIPSES 0x0002
10edeb5d
JH		 5750#define PERL_PV_PRETTY_LTGT 0x0004
5751
5752#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
5753
00f254e2 5754#define PERL_PV_ESCAPE_UNI 0x0100
10edeb5d 5755#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
681f01c2 5756#define PERL_PV_ESCAPE_NONASCII 0x0400
10edeb5d
JH		 5757
5758#define PERL_PV_ESCAPE_ALL 0x1000
5759#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
5760#define PERL_PV_ESCAPE_NOCLEAR 0x4000
44a2ac75 5761#define PERL_PV_ESCAPE_RE 0x8000
10edeb5d 5762
881a015e
NC		 5763#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
5764
10edeb5d 5765/* used by pv_display in dump.c*/
95b611b0 5766#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
c89df6cf 5767#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII
10edeb5d 5768
26ea9e12
NC		 5769#ifdef PERL_CORE
5770# define FEATURE_IS_ENABLED(name) \
5771 ((0 != (PL_hints & HINT_LOCALIZE_HH)) \
5772 && Perl_feature_is_enabled(aTHX_ STR_WITH_LEN(name)))
5773/* The longest string we pass in. */
5774# define MAX_FEATURE_LEN (sizeof("unicode_strings")-1)
5775#endif
5776
10edeb5d
JH		 5777/*
5778
5779 (KEEP THIS LAST IN perl.h!)
5780
5781 Mention
d460ef45 5782
43999f95 5783 NV_PRESERVES_UV
fe749a9f 5784
fe749a9f
JH		 5785 HAS_MKSTEMP
5786 HAS_MKSTEMPS
5787 HAS_MKDTEMP
5788
49dabb45
JH		 5789 HAS_GETCWD
5790
d59b5429 5791 HAS_MMAP
fe749a9f
JH		 5792 HAS_MPROTECT
5793 HAS_MSYNC
1e8c3fde 5794 HAS_MADVISE
fe749a9f
JH		 5795 HAS_MUNMAP
5796 I_SYSMMAN
5797 Mmap_t
5798
6b4667fc
A		 5799 NVef
5800 NVff
5801 NVgf
5802
4e0554ec 5803 HAS_UALARM
2d736872 5804 HAS_USLEEP
4e0554ec
JH		 5805
5806 HAS_SETITIMER
5807 HAS_GETITIMER
5808
5809 HAS_SENDMSG
5810 HAS_RECVMSG
5811 HAS_READV
5812 HAS_WRITEV
5813 I_SYSUIO
5814 HAS_STRUCT_MSGHDR
5815 HAS_STRUCT_CMSGHDR
5816
2765b840 5817 HAS_NL_LANGINFO
0a7020c9 5818
ae0e3d3b 5819 HAS_DIRFD
2765b840 5820
10edeb5d 5821 so that Configure picks them up.
ab3bbdeb 5822
10edeb5d 5823 (KEEP THIS LAST IN perl.h!)
3df15adc 5824
10edeb5d 5825*/
3df15adc 5826
85e6fe83 5827#endif /* Include guard */
e9a8c099
MHM		 5828
5829/*
5830 * Local variables:
5831 * c-indentation-style: bsd
5832 * c-basic-offset: 4
5833 * indent-tabs-mode: t
5834 * End:
5835 *
5836 * ex: set ts=8 sts=4 sw=4 noet:
5837 */
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