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handy.h: New #define to use new bit
[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
6b484a99
JH		 357#if !defined(HASATTRIBUTE_UNUSED) && defined(__cplusplus)
358#define dNOOP /*EMPTY*/(void)0 /* Older g++ has no __attribute((unused))__ */
359#else
6f207bd3 360#define dNOOP extern int /*@unused@*/ Perl___notused PERL_UNUSED_DECL
6b484a99 361#endif
71be2cbc 362
0cb96387 363#ifndef pTHX
e8dda941
JD		 364/* Don't bother defining tTHX and sTHX; using them outside
365 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
366 */
0cb96387
GS		 367# define pTHX void
368# define pTHX_
0cb96387
GS		 369# define aTHX
370# define aTHX_
0cb96387
GS		 371# define dTHXa(a) dNOOP
372# define dTHX dNOOP
894356b3
GS		 373# define pTHX_1 1
374# define pTHX_2 2
375# define pTHX_3 3
376# define pTHX_4 4
3d42dc86
RGS		 377# define pTHX_5 5
378# define pTHX_6 6
a3b680e6
AL		 379# define pTHX_7 7
380# define pTHX_8 8
381# define pTHX_9 9
0cb96387
GS		 382#endif
383
27da23d5
JH		 384#ifndef dVAR
385# define dVAR dNOOP
386#endif
387
b4f7f263
GS		 388/* these are only defined for compatibility; should not be used internally */
389#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 390# define pTHXo pTHX
391# define pTHXo_ pTHX_
0cb96387
GS		 392# define aTHXo aTHX
393# define aTHXo_ aTHX_
c5be433b 394# define dTHXo dTHX
71d280e3 395# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 396#endif
397
398#ifndef pTHXx
399# define pTHXx register PerlInterpreter *my_perl
400# define pTHXx_ pTHXx,
0cb96387
GS		 401# define aTHXx my_perl
402# define aTHXx_ aTHXx,
c5be433b 403# define dTHXx dTHX
22c35a8c 404#endif
71be2cbc 405
1de7c2ac
GS		 406/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
407 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
408 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
409#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 410# ifdef PERL_GLOBAL_STRUCT_PRIVATE
411# define dTHXs dVAR; dTHX
412# else
413# define dTHXs dTHX
414# endif
1de7c2ac 415#else
27da23d5
JH		 416# ifdef PERL_GLOBAL_STRUCT_PRIVATE
417# define dTHXs dVAR
418# else
419# define dTHXs dNOOP
420# endif
1de7c2ac
GS		 421#endif
422
27da23d5
JH		 423/* Some platforms require marking function declarations
424 * for them to be exportable. Used in perlio.h, proto.h
425 * is handled either by the makedef.pl or by defining the
426 * PERL_CALLCONV to be something special. See also the
427 * definition of XS() in XSUB.h. */
428#ifndef PERL_EXPORT_C
a0c21aa1
JH		 429# ifdef __cplusplus
430# define PERL_EXPORT_C extern "C"
431# else
432# define PERL_EXPORT_C extern
433# endif
27da23d5
JH		 434#endif
435#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 436# ifdef __cplusplus
437# define PERL_XS_EXPORT_C extern "C"
438# else
439# define PERL_XS_EXPORT_C
440# endif
27da23d5
JH		 441#endif
442
462e5cf6
MB		 443#ifdef OP_IN_REGISTER
444# ifdef __GNUC__
445# define stringify_immed(s) #s
446# define stringify(s) stringify_immed(s)
d1ca3daa 447register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 448# endif
449#endif
450
e5afc1ae 451/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 452 * g++ allows them but seems to have problems with them
70aab261
RB		 453 * (insane errors ensue).
454 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
455 */
456#if defined(PERL_GCC_PEDANTIC) || \
457 (defined(__GNUC__) && defined(__cplusplus) && \
458 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 459# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 460# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
461# endif
5dc8bdac
JH		 462#endif
463
5b692037
JH		 464#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
465# ifndef PERL_USE_GCC_BRACE_GROUPS
466# define PERL_USE_GCC_BRACE_GROUPS
467# endif
468#endif
469
728e2803 470/*
471 * STMT_START { statements; } STMT_END;
472 * can be used as a single statement, as in
473 * if (x) STMT_START { ... } STMT_END; else ...
474 *
475 * Trying to select a version that gives no warnings...
476 */
477#if !(defined(STMT_START) && defined(STMT_END))
5b692037 478# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 479# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 480# define STMT_END )
481# else
482 /* Now which other defined()s do we need here ??? */
93189314 483# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 484# define STMT_START if (1)
485# define STMT_END else (void)0
486# else
487# define STMT_START do
488# define STMT_END while (0)
489# endif
490# endif
491#endif
492
0cb96387 493#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 494#define WITH_THR(s) WITH_THX(s)
ea0efc06 495
d6f9c181
JH		 496#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
497# define BYTEORDER 0x1234
79072805
LW		 498#endif
499
500/* Overall memory policy? */
501#ifndef CONSERVATIVE
502# define LIBERAL 1
503#endif
504
8ada0baa
JH		 505#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
506#define ASCIIish
507#else
508#undef ASCIIish
509#endif
510
79072805
LW		 511/*
512 * The following contortions are brought to you on behalf of all the
513 * standards, semi-standards, de facto standards, not-so-de-facto standards
514 * of the world, as well as all the other botches anyone ever thought of.
515 * The basic theory is that if we work hard enough here, the rest of the
516 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
517 */
ac58e20f 518
ee0007ab 519/* define this once if either system, instead of cluttering up the src */
2986a63f 520#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 521#define DOSISH 1
522#endif
523
fb38d079 524#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 525# define STANDARD_C 1
526#endif
527
9969cdde 528#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 529# define DONT_DECLARE_STD 1
530#endif
531
352d5a3a 532#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 533# define VOL volatile
663a0e37 534#else
79072805 535# define VOL
663a0e37
LW		 536#endif
537
3280af22
NIS		 538#define TAINT (PL_tainted = TRUE)
539#define TAINT_NOT (PL_tainted = FALSE)
540#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
541#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 542#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 543
d460ef45 544/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 545 defines move there? If so, I could simplify this a lot. --AD 9/96.
546*/
547/* Process group stuff changed from traditional BSD to POSIX.
548 perlfunc.pod documents the traditional BSD-style syntax, so we'll
549 try to preserve that, if possible.
550*/
551#ifdef HAS_SETPGID
552# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 553#else
a6e633de 554# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
555# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
556# else
557# ifdef HAS_SETPGRP2 /* DG/UX */
558# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
559# endif
560# endif
561#endif
562#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
563# define HAS_SETPGRP /* Well, effectively it does . . . */
564#endif
565
566/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
567 our life easier :-) so we'll try it.
568*/
569#ifdef HAS_GETPGID
570# define BSD_GETPGRP(pid) getpgid((pid))
571#else
572# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
573# define BSD_GETPGRP(pid) getpgrp((pid))
574# else
575# ifdef HAS_GETPGRP2 /* DG/UX */
576# define BSD_GETPGRP(pid) getpgrp2((pid))
577# endif
578# endif
579#endif
580#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
581# define HAS_GETPGRP /* Well, effectively it does . . . */
582#endif
583
d460ef45 584/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 585 have different behaviors, but perl.h used to define USE_BSDPGRP
586 (prior to 5.003_05) so some extension might depend on it.
587*/
588#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
589# ifndef USE_BSDPGRP
590# define USE_BSDPGRP
591# endif
663a0e37
LW		 592#endif
593
8ac5a1fe
MH		 594/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
595 pthread.h must be included before all other header files.
596*/
3db8f154 597#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 598# include <pthread.h>
599#endif
600
760ac839
LW		 601#ifndef _TYPES_ /* If types.h defines this it's easy. */
602# ifndef major /* Does everyone's types.h define this? */
603# include <sys/types.h>
c07a80fd 604# endif
663a0e37
LW		 605#endif
606
760ac839
LW		 607#ifdef __cplusplus
608# ifndef I_STDARG
609# define I_STDARG 1
610# endif
611#endif
612
613#ifdef I_STDARG
614# include <stdarg.h>
615#else
616# ifdef I_VARARGS
617# include <varargs.h>
618# endif
619#endif
620
4633a7c4 621#ifdef USE_NEXT_CTYPE
0c30d9ec 622
092bebab
JH		 623#if NX_CURRENT_COMPILER_RELEASE >= 500
624# include <bsd/ctypes.h>
625#else
626# if NX_CURRENT_COMPILER_RELEASE >= 400
627# include <objc/NXCType.h>
628# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
629# include <appkit/NXCType.h>
630# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
631#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 632
633#else /* !USE_NEXT_CTYPE */
fe14fcc3 634#include <ctype.h>
0c30d9ec 635#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 636
637#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
638#undef METHOD
a0d0e21e
LW		 639#endif
640
12ae5dfc
JH		 641#ifdef PERL_MICRO
642# define NO_LOCALE
643#endif
644
4633a7c4 645#ifdef I_LOCALE
36477c24 646# include <locale.h>
4633a7c4
LW		 647#endif
648
36477c24 649#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
650# define USE_LOCALE
651# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
652 && defined(HAS_STRXFRM)
653# define USE_LOCALE_COLLATE
654# endif
655# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
656# define USE_LOCALE_CTYPE
657# endif
658# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
659# define USE_LOCALE_NUMERIC
660# endif
661#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 662
fe14fcc3 663#include <setjmp.h>
79072805 664
a0d0e21e 665#ifdef I_SYS_PARAM
79072805
LW		 666# ifdef PARAM_NEEDS_TYPES
667# include <sys/types.h>
668# endif
669# include <sys/param.h>
352d5a3a 670#endif
79072805 671
79072805 672/* Use all the "standard" definitions? */
a0d0e21e 673#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 674# include <stdlib.h>
ff68c719 675#endif
03a14243 676
3f270f98
JH		 677/* If this causes problems, set i_unistd=undef in the hint file. */
678#ifdef I_UNISTD
679# include <unistd.h>
680#endif
681
de8ca8af
NT		 682/* for WCOREDUMP */
683#ifdef I_SYS_WAIT
684# include <sys/wait.h>
685#endif
686
9969cdde 687#ifdef __SYMBIAN32__
27da23d5
JH		 688# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
689#endif
690
7114a2d2 691#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 692EXTERN_C int syscall(int, ...);
2ef53570
JH		 693#endif
694
7114a2d2 695#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 696EXTERN_C int usleep(unsigned int);
2ef53570
JH		 697#endif
698
9c12f1e5
RGS		 699/* Funky places that do not have socket stuff. */
700#if defined(__LIBCATAMOUNT__)
701# define MYSWAP
702#endif
703
9a34ef1d
GS		 704#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
705# define MYSWAP
706#endif
707
1109a392
MHM		 708#ifdef PERL_CORE
709
710/* macros for correct constant construction */
711# if INTSIZE >= 2
712# define U16_CONST(x) ((U16)x##U)
713# else
714# define U16_CONST(x) ((U16)x##UL)
715# endif
716
717# if INTSIZE >= 4
718# define U32_CONST(x) ((U32)x##U)
719# else
720# define U32_CONST(x) ((U32)x##UL)
721# endif
722
723# ifdef HAS_QUAD
724# if INTSIZE >= 8
725# define U64_CONST(x) ((U64)x##U)
726# elif LONGSIZE >= 8
727# define U64_CONST(x) ((U64)x##UL)
728# elif QUADKIND == QUAD_IS_LONG_LONG
729# define U64_CONST(x) ((U64)x##ULL)
730# else /* best guess we can make */
731# define U64_CONST(x) ((U64)x##UL)
732# endif
733# endif
734
735/* byte-swapping functions for big-/little-endian conversion */
736# define _swab_16_(x) ((U16)( \
737 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
738 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
739
740# define _swab_32_(x) ((U32)( \
741 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
742 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
743 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
744 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
745
746# ifdef HAS_QUAD
747# define _swab_64_(x) ((U64)( \
748 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
749 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
750 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
751 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
752 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
753 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
754 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
755 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
756# endif
757
758/*----------------------------------------------------------------------------*/
759# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
760/*----------------------------------------------------------------------------*/
761# define my_htole16(x) (x)
762# define my_letoh16(x) (x)
763# define my_htole32(x) (x)
764# define my_letoh32(x) (x)
765# define my_htobe16(x) _swab_16_(x)
766# define my_betoh16(x) _swab_16_(x)
767# define my_htobe32(x) _swab_32_(x)
768# define my_betoh32(x) _swab_32_(x)
769# ifdef HAS_QUAD
770# define my_htole64(x) (x)
771# define my_letoh64(x) (x)
772# define my_htobe64(x) _swab_64_(x)
773# define my_betoh64(x) _swab_64_(x)
774# endif
775# define my_htoles(x) (x)
776# define my_letohs(x) (x)
777# define my_htolei(x) (x)
778# define my_letohi(x) (x)
779# define my_htolel(x) (x)
780# define my_letohl(x) (x)
781# if SHORTSIZE == 1
782# define my_htobes(x) (x)
783# define my_betohs(x) (x)
784# elif SHORTSIZE == 2
785# define my_htobes(x) _swab_16_(x)
786# define my_betohs(x) _swab_16_(x)
787# elif SHORTSIZE == 4
788# define my_htobes(x) _swab_32_(x)
789# define my_betohs(x) _swab_32_(x)
790# elif SHORTSIZE == 8
791# define my_htobes(x) _swab_64_(x)
792# define my_betohs(x) _swab_64_(x)
793# else
794# define PERL_NEED_MY_HTOBES
795# define PERL_NEED_MY_BETOHS
796# endif
797# if INTSIZE == 1
798# define my_htobei(x) (x)
799# define my_betohi(x) (x)
800# elif INTSIZE == 2
801# define my_htobei(x) _swab_16_(x)
802# define my_betohi(x) _swab_16_(x)
803# elif INTSIZE == 4
804# define my_htobei(x) _swab_32_(x)
805# define my_betohi(x) _swab_32_(x)
806# elif INTSIZE == 8
807# define my_htobei(x) _swab_64_(x)
808# define my_betohi(x) _swab_64_(x)
809# else
810# define PERL_NEED_MY_HTOBEI
811# define PERL_NEED_MY_BETOHI
812# endif
813# if LONGSIZE == 1
814# define my_htobel(x) (x)
815# define my_betohl(x) (x)
816# elif LONGSIZE == 2
817# define my_htobel(x) _swab_16_(x)
818# define my_betohl(x) _swab_16_(x)
819# elif LONGSIZE == 4
820# define my_htobel(x) _swab_32_(x)
821# define my_betohl(x) _swab_32_(x)
822# elif LONGSIZE == 8
823# define my_htobel(x) _swab_64_(x)
824# define my_betohl(x) _swab_64_(x)
825# else
826# define PERL_NEED_MY_HTOBEL
827# define PERL_NEED_MY_BETOHL
828# endif
829# define my_htolen(p,n) NOOP
830# define my_letohn(p,n) NOOP
831# define my_htoben(p,n) my_swabn(p,n)
832# define my_betohn(p,n) my_swabn(p,n)
833/*----------------------------------------------------------------------------*/
834# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
835/*----------------------------------------------------------------------------*/
836# define my_htobe16(x) (x)
837# define my_betoh16(x) (x)
838# define my_htobe32(x) (x)
839# define my_betoh32(x) (x)
840# define my_htole16(x) _swab_16_(x)
841# define my_letoh16(x) _swab_16_(x)
842# define my_htole32(x) _swab_32_(x)
843# define my_letoh32(x) _swab_32_(x)
844# ifdef HAS_QUAD
845# define my_htobe64(x) (x)
846# define my_betoh64(x) (x)
847# define my_htole64(x) _swab_64_(x)
848# define my_letoh64(x) _swab_64_(x)
849# endif
850# define my_htobes(x) (x)
851# define my_betohs(x) (x)
852# define my_htobei(x) (x)
853# define my_betohi(x) (x)
854# define my_htobel(x) (x)
855# define my_betohl(x) (x)
856# if SHORTSIZE == 1
857# define my_htoles(x) (x)
858# define my_letohs(x) (x)
859# elif SHORTSIZE == 2
860# define my_htoles(x) _swab_16_(x)
861# define my_letohs(x) _swab_16_(x)
862# elif SHORTSIZE == 4
863# define my_htoles(x) _swab_32_(x)
864# define my_letohs(x) _swab_32_(x)
865# elif SHORTSIZE == 8
866# define my_htoles(x) _swab_64_(x)
867# define my_letohs(x) _swab_64_(x)
868# else
869# define PERL_NEED_MY_HTOLES
870# define PERL_NEED_MY_LETOHS
871# endif
872# if INTSIZE == 1
873# define my_htolei(x) (x)
874# define my_letohi(x) (x)
875# elif INTSIZE == 2
876# define my_htolei(x) _swab_16_(x)
877# define my_letohi(x) _swab_16_(x)
878# elif INTSIZE == 4
879# define my_htolei(x) _swab_32_(x)
880# define my_letohi(x) _swab_32_(x)
881# elif INTSIZE == 8
882# define my_htolei(x) _swab_64_(x)
883# define my_letohi(x) _swab_64_(x)
884# else
885# define PERL_NEED_MY_HTOLEI
886# define PERL_NEED_MY_LETOHI
887# endif
888# if LONGSIZE == 1
889# define my_htolel(x) (x)
890# define my_letohl(x) (x)
891# elif LONGSIZE == 2
892# define my_htolel(x) _swab_16_(x)
893# define my_letohl(x) _swab_16_(x)
894# elif LONGSIZE == 4
895# define my_htolel(x) _swab_32_(x)
896# define my_letohl(x) _swab_32_(x)
897# elif LONGSIZE == 8
898# define my_htolel(x) _swab_64_(x)
899# define my_letohl(x) _swab_64_(x)
900# else
901# define PERL_NEED_MY_HTOLEL
902# define PERL_NEED_MY_LETOHL
903# endif
904# define my_htolen(p,n) my_swabn(p,n)
905# define my_letohn(p,n) my_swabn(p,n)
906# define my_htoben(p,n) NOOP
907# define my_betohn(p,n) NOOP
908/*----------------------------------------------------------------------------*/
909# else /* all other byte-orders */
910/*----------------------------------------------------------------------------*/
911# define PERL_NEED_MY_HTOLE16
912# define PERL_NEED_MY_LETOH16
913# define PERL_NEED_MY_HTOBE16
914# define PERL_NEED_MY_BETOH16
915# define PERL_NEED_MY_HTOLE32
916# define PERL_NEED_MY_LETOH32
917# define PERL_NEED_MY_HTOBE32
918# define PERL_NEED_MY_BETOH32
919# ifdef HAS_QUAD
920# define PERL_NEED_MY_HTOLE64
921# define PERL_NEED_MY_LETOH64
922# define PERL_NEED_MY_HTOBE64
923# define PERL_NEED_MY_BETOH64
924# endif
925# define PERL_NEED_MY_HTOLES
926# define PERL_NEED_MY_LETOHS
927# define PERL_NEED_MY_HTOBES
928# define PERL_NEED_MY_BETOHS
929# define PERL_NEED_MY_HTOLEI
930# define PERL_NEED_MY_LETOHI
931# define PERL_NEED_MY_HTOBEI
932# define PERL_NEED_MY_BETOHI
933# define PERL_NEED_MY_HTOLEL
934# define PERL_NEED_MY_LETOHL
935# define PERL_NEED_MY_HTOBEL
936# define PERL_NEED_MY_BETOHL
937/*----------------------------------------------------------------------------*/
938# endif /* end of byte-order macros */
939/*----------------------------------------------------------------------------*/
940
9c17f24a
NC		 941/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
942 at least on FreeBSD. YMMV, so experiment. */
943#ifndef PERL_ARENA_SIZE
944#define PERL_ARENA_SIZE 4080
945#endif
946
ccb2c8b8 947/* Maximum level of recursion */
2b9dff67
RGS		 948#ifndef PERL_SUB_DEPTH_WARN
949#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 950#endif
951
1109a392
MHM		 952#endif /* PERL_CORE */
953
bdf3085f
NC		 954/* We no longer default to creating a new SV for GvSV.
955 Do this before embed. */
956#ifndef PERL_CREATE_GVSV
7459f06b
NC		 957# ifndef PERL_DONT_CREATE_GVSV
958# define PERL_DONT_CREATE_GVSV
959# endif
bdf3085f
NC		 960#endif
961
ca0c25f6
NC		 962#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
963#define PERL_USES_PL_PIDSTATUS
964#endif
965
e37778c2 966#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__)
a62746fa
RGS		 967#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
968#endif
969
00f254e2 970/* Cannot include embed.h here on Win32 as win32.h has not
66a93824
NIS		 971 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
972 */
96e176bf 973#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 974# include "embed.h"
eb8433b7
NC		 975# ifndef PERL_MAD
976# undef op_getmad
b3f24c00 977# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 978# endif
cea2e8a9
GS		 979#endif
980
c31fac66
GS		 981#define MEM_SIZE Size_t
982
1936d2a7
NC		 983/* Round all values passed to malloc up, by default to a multiple of
984 sizeof(size_t)
985*/
986#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
987#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
988#endif
989
f1200559
WH		 990/* sv_grow() will expand strings by at least a certain percentage of
991 the previously *used* length to avoid excessive calls to realloc().
992 The default is 25% of the current length.
993*/
994#ifndef PERL_STRLEN_EXPAND_SHIFT
995# define PERL_STRLEN_EXPAND_SHIFT 2
996#endif
997
51371543
GS		 998#if defined(STANDARD_C) && defined(I_STDDEF)
999# include <stddef.h>
1000# define STRUCT_OFFSET(s,m) offsetof(s,m)
1001#else
1002# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
1003#endif
1004
9969cdde 1005#ifndef __SYMBIAN32__
27da23d5
JH		 1006# if defined(I_STRING) || defined(__cplusplus)
1007# include <string.h>
1008# else
1009# include <strings.h>
1010# endif
51371543
GS		 1011#endif
1012
55497cff 1013/* This comes after <stdlib.h> so we don't try to change the standard
1014 * library prototypes; we'll use our own in proto.h instead. */
03a14243 1015
4633a7c4 1016#ifdef MYMALLOC
86058a2d 1017# ifdef PERL_POLLUTE_MALLOC
ee13e175 1018# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 1019# define Perl_malloc malloc
1020# define Perl_calloc calloc
1021# define Perl_realloc realloc
1022# define Perl_mfree free
ee13e175 1023# endif
86058a2d
GS		 1024# else
1025# define EMBEDMYMALLOC /* for compatibility */
1026# endif
827e134a 1027
651b9576
GS		 1028# define safemalloc Perl_malloc
1029# define safecalloc Perl_calloc
1030# define saferealloc Perl_realloc
1031# define safefree Perl_mfree
22f7c9c9
JH		 1032# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1033 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1034 code; \
1035 } STMT_END
1036# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1037 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1038# define panic_write2(s) write(2, s, strlen(s))
1039# define CHECK_MALLOC_TAINT(newval) \
1040 CHECK_MALLOC_TOO_LATE_FOR_( \
1041 if (newval) { \
1042 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1043 exit(1); })
22f7c9c9 1044# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1045 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 1046 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1047 }} STMT_END;
f2517201
GS		 1048#else /* MYMALLOC */
1049# define safemalloc safesysmalloc
1050# define safecalloc safesyscalloc
1051# define saferealloc safesysrealloc
1052# define safefree safesysfree
22f7c9c9
JH		 1053# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1054# define CHECK_MALLOC_TAINT(newval) ((void)0)
1055# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1056#endif /* MYMALLOC */
4633a7c4 1057
fe13d51d 1058/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 1059#define TOO_LATE_FOR_(ch,what) Perl_croak(aTHX_ "\"-%c\" is on the #! line, it must also be used on the command line%s", (char)(ch), what)
22f7c9c9
JH		 1060#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1061#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1062#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1063
a0d0e21e
LW		 1064#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1065#define strchr index
1066#define strrchr rindex
1067#endif
1068
16d20bd9
AD		 1069#ifdef I_MEMORY
1070# include <memory.h>
1071#endif
1072
fe14fcc3 1073#ifdef HAS_MEMCPY
85e6fe83 1074# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1075# ifndef memcpy
20ce7b12 1076 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 1077# endif
1078# endif
1079#else
1080# ifndef memcpy
1081# ifdef HAS_BCOPY
1082# define memcpy(d,s,l) bcopy(s,d,l)
1083# else
1084# define memcpy(d,s,l) my_bcopy(s,d,l)
1085# endif
1086# endif
1087#endif /* HAS_MEMCPY */
fe14fcc3 1088
ee0007ab 1089#ifdef HAS_MEMSET
85e6fe83 1090# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1091# ifndef memset
20ce7b12 1092 extern char *memset (char*, int, int);
ee0007ab
LW		 1093# endif
1094# endif
ee0007ab 1095#else
12ae5dfc 1096# undef memset
fc36a67e 1097# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1098#endif /* HAS_MEMSET */
1099
85e6fe83 1100#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1101# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1102# define memmove(d,s,l) bcopy(s,d,l)
1103# else
2304df62 1104# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1105# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1106# else
79072805 1107# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1108# endif
352d5a3a 1109# endif
d9d8d8de 1110#endif
ee0007ab 1111
36477c24 1112#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1113# undef HAS_MEMCMP
1114#endif
1115
1116#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1117# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1118# ifndef memcmp
20ce7b12 1119 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1120# endif
1121# endif
36477c24 1122# ifdef BUGGY_MSC
7e4e8c89 1123# pragma function(memcmp)
36477c24 1124# endif
ee0007ab
LW		 1125#else
1126# ifndef memcmp
ecfc5424 1127# define memcmp my_memcmp
352d5a3a 1128# endif
36477c24 1129#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1130
fc36a67e 1131#ifndef memzero
c635e13b 1132# ifdef HAS_MEMSET
1133# define memzero(d,l) memset(d,0,l)
79072805 1134# else
c635e13b 1135# ifdef HAS_BZERO
1136# define memzero(d,l) bzero(d,l)
79072805 1137# else
fc36a67e 1138# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1139# endif
1140# endif
d9d8d8de 1141#endif
378cc40b 1142
2f42fcb0 1143#ifndef PERL_MICRO
0f27ced1
JH		 1144#ifndef memchr
1145# ifndef HAS_MEMCHR
1146# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1147# endif
1148#endif
2f42fcb0 1149#endif
0f27ced1 1150
36477c24 1151#ifndef HAS_BCMP
1152# ifndef bcmp
1153# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1154# endif
36477c24 1155#endif /* !HAS_BCMP */
378cc40b 1156
ae986130 1157#ifdef I_NETINET_IN
79072805 1158# include <netinet/in.h>
ae986130
LW		 1159#endif
1160
28e8609d
JH		 1161#ifdef I_ARPA_INET
1162# include <arpa/inet.h>
1163#endif
1164
84902520
TB		 1165#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1166/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1167 * (the neo-BSD seem to do this). */
1168# undef SF_APPEND
1169#endif
1170
1aef975c 1171#ifdef I_SYS_STAT
84902520 1172# include <sys/stat.h>
1aef975c 1173#endif
79072805 1174
287a962e
JD		 1175/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1176 This definition should ideally go into win32/win32.h, but S_IFIFO is
1177 used later here in perl.h before win32/win32.h is being included. */
1178#if !defined(S_IFIFO) && defined(_S_IFIFO)
1179# define S_IFIFO _S_IFIFO
1180#endif
1181
a0d0e21e
LW		 1182/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1183 like UTekV) are broken, sometimes giving false positives. Undefine
1184 them here and let the code below set them to proper values.
1185
1186 The ghs macro stands for GreenHills Software C-1.8.5 which
1187 is the C compiler for sysV88 and the various derivatives.
1188 This header file bug is corrected in gcc-2.5.8 and later versions.
1189 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1190
1191#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1192# undef S_ISDIR
1193# undef S_ISCHR
1194# undef S_ISBLK
1195# undef S_ISREG
1196# undef S_ISFIFO
1197# undef S_ISLNK
ee0007ab 1198#endif
135863df 1199
663a0e37
LW		 1200#ifdef I_TIME
1201# include <time.h>
ffed7fef 1202#endif
663a0e37 1203
fe14fcc3 1204#ifdef I_SYS_TIME
85e6fe83 1205# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1206# define KERNEL
1207# endif
1208# include <sys/time.h>
85e6fe83 1209# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1210# undef KERNEL
1211# endif
a687059c 1212#endif
135863df 1213
55497cff 1214#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1215# include <sys/times.h>
d9d8d8de 1216#endif
8d063cd8 1217
fe14fcc3 1218#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1219# undef HAS_STRERROR
663a0e37
LW		 1220#endif
1221
1222#include <errno.h>
1e743fda 1223
acfe0abc 1224#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1225# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1226#endif
1227
8cfab5ff 1228/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1229 * This is important for using IPv6.
8cfab5ff
JH		 1230 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1231 * a bad idea since it breaks send() and recv(). */
1232#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1233# define _SOCKADDR_LEN
1234#endif
1235
8d3f517a 1236#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1237# include <sys/socket.h>
1238# if defined(USE_SOCKS) && defined(I_SOCKS)
1239# if !defined(INCLUDE_PROTOTYPES)
1240# define INCLUDE_PROTOTYPES /* for <socks.h> */
1241# define PERL_SOCKS_NEED_PROTOTYPES
1242# endif
1243# include <socks.h>
1244# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1245# undef INCLUDE_PROTOTYPES
1246# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1247# endif
d460ef45 1248# endif
1e743fda 1249# ifdef I_NETDB
2986a63f
JH		 1250# ifdef NETWARE
1251# include<stdio.h>
1252# endif
1e743fda
JH		 1253# include <netdb.h>
1254# endif
1255# ifndef ENOTSOCK
1256# ifdef I_NET_ERRNO
1257# include <net/errno.h>
1258# endif
1259# endif
1260#endif
1261
fa0a29af 1262/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1263 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1264 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1265#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1266# if defined(__THROW) && defined(__GLIBC__)
1267int sockatmark(int) __THROW;
1268# else
2ef53570 1269int sockatmark(int);
29820b6d 1270# endif
2ef53570
JH		 1271#endif
1272
7e827271 1273#if defined(__osf__) && defined(__cplusplus) && !defined(_XOPEN_SOURCE_EXTENDED) /* Tru64 "cxx" (C++), see hints/dec_osf.sh for why the _XOPEN_SOURCE_EXTENDED cannot be defined. */
45d3b546
JH		 1274EXTERN_C int fchdir(int);
1275EXTERN_C int flock(int, int);
1276EXTERN_C int fseeko(FILE *, off_t, int);
1277EXTERN_C off_t ftello(FILE *);
1278#endif
1279
7e827271 1280#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1281EXTERN_C char *crypt(const char *, const char *);
7e827271 1282EXTERN_C char **environ;
1ccb7c8d
JH		 1283#endif
1284
83a6ff2e 1285#if defined(__cplusplus)
944c4fda 1286# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1287EXTERN_C char **environ;
83a6ff2e 1288# elif defined(__CYGWIN__)
667e2948
SP		 1289EXTERN_C char *crypt(const char *, const char *);
1290#endif
83a6ff2e 1291#endif
667e2948 1292
1e743fda
JH		 1293#ifdef SETERRNO
1294# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1295#endif
f86702cc 1296
1297#ifdef VMS
1298# define SETERRNO(errcode,vmserrcode) \
1299 STMT_START { \
1300 set_errno(errcode); \
1301 set_vaxc_errno(vmserrcode); \
1302 } STMT_END
4ee39169
CS		 1303# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1304# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1305# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1306# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1307
93189314
JH		 1308# define LIB_INVARG LIB$_INVARG
1309# define RMS_DIR RMS$_DIR
1310# define RMS_FAC RMS$_FAC
1311# define RMS_FEX RMS$_FEX
1312# define RMS_FNF RMS$_FNF
1313# define RMS_IFI RMS$_IFI
1314# define RMS_ISI RMS$_ISI
1315# define RMS_PRV RMS$_PRV
1316# define SS_ACCVIO SS$_ACCVIO
1317# define SS_DEVOFFLINE SS$_DEVOFFLINE
1318# define SS_IVCHAN SS$_IVCHAN
1319# define SS_NORMAL SS$_NORMAL
748a9306 1320#else
aba27d88 1321# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS		 1322# define dSAVEDERRNO int saved_errno
1323# define dSAVE_ERRNO int saved_errno = errno
1324# define SAVE_ERRNO (saved_errno = errno)
1325# define RESTORE_ERRNO (errno = saved_errno)
1326
93189314
JH		 1327# define LIB_INVARG 0
1328# define RMS_DIR 0
1329# define RMS_FAC 0
1330# define RMS_FEX 0
1331# define RMS_FNF 0
1332# define RMS_IFI 0
1333# define RMS_ISI 0
1334# define RMS_PRV 0
1335# define SS_ACCVIO 0
1336# define SS_DEVOFFLINE 0
1337# define SS_IVCHAN 0
1338# define SS_NORMAL 0
748a9306 1339#endif
ed6116ce 1340
f5fa9033 1341#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC		 1342
1343#define CLEAR_ERRSV() STMT_START { \
1344 if (!GvSV(PL_errgv)) { \
1345 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1346 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1347 SvREFCNT_dec(GvSV(PL_errgv)); \
1348 GvSV(PL_errgv) = newSVpvs(""); \
1349 } else { \
1350 SV *const errsv = GvSV(PL_errgv); \
1351 sv_setpvs(errsv, ""); \
1352 if (SvMAGICAL(errsv)) { \
1353 mg_free(errsv); \
1354 } \
1355 SvPOK_only(errsv); \
1356 } \
1357 } STMT_END
1358
1359
414bf5ae
MHM		 1360#ifdef PERL_CORE
1361# define DEFSV (0 + GvSVn(PL_defgv))
1362#else
1363# define DEFSV GvSVn(PL_defgv)
1364#endif
1365#define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
3db8f154 1366#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1367
98eae8f5
GS		 1368#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1369
55497cff 1370#ifndef errno
5ff3f7a4
GS		 1371 extern int errno; /* ANSI allows errno to be an lvalue expr.
1372 * For example in multithreaded environments
1373 * something like this might happen:
1374 * extern int *_errno(void);
1375 * #define errno (*_errno()) */
d9d8d8de 1376#endif
663a0e37 1377
2304df62 1378#ifdef HAS_STRERROR
a0d0e21e 1379# ifdef VMS
20ce7b12 1380 char *strerror (int,...);
a0d0e21e 1381# else
68dc0745 1382#ifndef DONT_DECLARE_STD
20ce7b12 1383 char *strerror (int);
68dc0745 1384#endif
a0d0e21e 1385# endif
2304df62
AD		 1386# ifndef Strerror
1387# define Strerror strerror
1388# endif
1389#else
1390# ifdef HAS_SYS_ERRLIST
79072805
LW		 1391 extern int sys_nerr;
1392 extern char *sys_errlist[];
2304df62
AD		 1393# ifndef Strerror
1394# define Strerror(e) \
79072805 1395 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1396# endif
79072805 1397# endif
35c8bce7 1398#endif
663a0e37 1399
2304df62 1400#ifdef I_SYS_IOCTL
79072805
LW		 1401# ifndef _IOCTL_
1402# include <sys/ioctl.h>
1403# endif
a687059c
LW		 1404#endif
1405
ee0007ab 1406#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1407# ifdef HAS_SOCKETPAIR
1408# undef HAS_SOCKETPAIR
1409# endif
2304df62
AD		 1410# ifdef I_NDBM
1411# undef I_NDBM
79072805 1412# endif
a687059c
LW		 1413#endif
1414
02fc2eee
NC		 1415#ifndef HAS_SOCKETPAIR
1416# ifdef HAS_SOCKET
1417# define socketpair Perl_my_socketpair
1418# endif
1419#endif
1420
a687059c 1421#if INTSIZE == 2
79072805
LW		 1422# define htoni htons
1423# define ntohi ntohs
a687059c 1424#else
79072805
LW		 1425# define htoni htonl
1426# define ntohi ntohl
a687059c
LW		 1427#endif
1428
a0d0e21e 1429/* Configure already sets Direntry_t */
35c8bce7 1430#if defined(I_DIRENT)
663a0e37 1431# include <dirent.h>
8f1f23e8
W		 1432 /* NeXT needs dirent + sys/dir.h */
1433# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1434# include <sys/dir.h>
1435# endif
ae986130 1436#else
fe14fcc3 1437# ifdef I_SYS_NDIR
79a0689e 1438# include <sys/ndir.h>
663a0e37 1439# else
fe14fcc3 1440# ifdef I_SYS_DIR
79a0689e
LW		 1441# ifdef hp9000s500
1442# include <ndir.h> /* may be wrong in the future */
1443# else
1444# include <sys/dir.h>
1445# endif
663a0e37
LW		 1446# endif
1447# endif
4633a7c4 1448#endif
a687059c 1449
12ae5dfc
JH		 1450#ifdef PERL_MICRO
1451# ifndef DIR
1452# define DIR void
1453# endif
1454#endif
1455
352d5a3a
LW		 1456#ifdef FPUTS_BOTCH
1457/* work around botch in SunOS 4.0.1 and 4.0.2 */
1458# ifndef fputs
79072805 1459# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1460# endif
1461#endif
1462
c623bd54
LW		 1463/*
1464 * The following gobbledygook brought to you on behalf of __STDC__.
1465 * (I could just use #ifndef __STDC__, but this is more bulletproof
1466 * in the face of half-implementations.)
1467 */
1468
7114a2d2 1469#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1470#include <sys/mode.h>
1471#endif
1472
c623bd54
LW		 1473#ifndef S_IFMT
1474# ifdef _S_IFMT
1475# define S_IFMT _S_IFMT
1476# else
1477# define S_IFMT 0170000
1478# endif
1479#endif
1480
1481#ifndef S_ISDIR
1482# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1483#endif
1484
1485#ifndef S_ISCHR
1486# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1487#endif
1488
1489#ifndef S_ISBLK
fe14fcc3
LW		 1490# ifdef S_IFBLK
1491# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1492# else
1493# define S_ISBLK(m) (0)
1494# endif
c623bd54
LW		 1495#endif
1496
1497#ifndef S_ISREG
1498# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1499#endif
1500
1501#ifndef S_ISFIFO
fe14fcc3
LW		 1502# ifdef S_IFIFO
1503# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1504# else
1505# define S_ISFIFO(m) (0)
1506# endif
c623bd54
LW		 1507#endif
1508
1509#ifndef S_ISLNK
1510# ifdef _S_ISLNK
1511# define S_ISLNK(m) _S_ISLNK(m)
1512# else
1513# ifdef _S_IFLNK
1514# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1515# else
1516# ifdef S_IFLNK
1517# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1518# else
1519# define S_ISLNK(m) (0)
1520# endif
1521# endif
1522# endif
1523#endif
1524
1525#ifndef S_ISSOCK
1526# ifdef _S_ISSOCK
1527# define S_ISSOCK(m) _S_ISSOCK(m)
1528# else
1529# ifdef _S_IFSOCK
1530# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1531# else
1532# ifdef S_IFSOCK
1533# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1534# else
1535# define S_ISSOCK(m) (0)
1536# endif
1537# endif
1538# endif
1539#endif
1540
1541#ifndef S_IRUSR
1542# ifdef S_IREAD
1543# define S_IRUSR S_IREAD
1544# define S_IWUSR S_IWRITE
1545# define S_IXUSR S_IEXEC
1546# else
1547# define S_IRUSR 0400
1548# define S_IWUSR 0200
1549# define S_IXUSR 0100
1550# endif
fac7cdfc
JS		 1551#endif
1552
1553#ifndef S_IRGRP
1554# ifdef S_IRUSR
1555# define S_IRGRP (S_IRUSR>>3)
1556# define S_IWGRP (S_IWUSR>>3)
1557# define S_IXGRP (S_IXUSR>>3)
1558# else
1559# define S_IRGRP 0040
1560# define S_IWGRP 0020
1561# define S_IXGRP 0010
1562# endif
1563#endif
1564
1565#ifndef S_IROTH
1566# ifdef S_IRUSR
1567# define S_IROTH (S_IRUSR>>6)
1568# define S_IWOTH (S_IWUSR>>6)
1569# define S_IXOTH (S_IXUSR>>6)
1570# else
1571# define S_IROTH 0040
1572# define S_IWOTH 0020
1573# define S_IXOTH 0010
1574# endif
c623bd54
LW		 1575#endif
1576
1577#ifndef S_ISUID
1578# define S_ISUID 04000
1579#endif
1580
1581#ifndef S_ISGID
1582# define S_ISGID 02000
1583#endif
1584
ca6e1c26
JH		 1585#ifndef S_IRWXU
1586# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1587#endif
ca6e1c26
JH		 1588
1589#ifndef S_IRWXG
1590# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1591#endif
ca6e1c26
JH		 1592
1593#ifndef S_IRWXO
1594# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1595#endif
ca6e1c26 1596
df00ff3b 1597/* BeOS 5.0 and Haiku R1 seem to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1598 * which would get included through <sys/file.h >, but that is 3000
1599 * lines in the future. --jhi */
1600
df00ff3b 1601#if !defined(S_IREAD) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1602# define S_IREAD S_IRUSR
1603#endif
1604
df00ff3b 1605#if !defined(S_IWRITE) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1606# define S_IWRITE S_IWUSR
1607#endif
1608
1609#ifndef S_IEXEC
1610# define S_IEXEC S_IXUSR
1611#endif
1612
79072805
LW		 1613#ifdef ff_next
1614# undef ff_next
352d5a3a
LW		 1615#endif
1616
a0d0e21e 1617#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1618# define SLOPPYDIVIDE
1619#endif
1620
748a9306
LW		 1621#ifdef UV
1622#undef UV
1623#endif
1624
c89df6bf
JH		 1625#ifdef SPRINTF_E_BUG
1626# define sprintf UTS_sprintf_wrap
1627#endif
1628
ce582cee
NC		 1629/* For the times when you want the return value of sprintf, and you want it
1630 to be the length. Can't have a thread variable passed in, because C89 has
1631 no varargs macros.
1632*/
1633#ifdef SPRINTF_RETURNS_STRLEN
1634# define my_sprintf sprintf
1635#else
1636# define my_sprintf Perl_my_sprintf
1637#endif
1638
5b692037
JH		 1639/*
1640 * If we have v?snprintf() and the C99 variadic macros, we can just
1641 * use just the v?snprintf(). It is nice to try to trap the buffer
1642 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1643 * gcc statement expressions, then use the function wrappers which try
1644 * to trap the overflow. If we can use the gcc statement expressions,
1645 * we can try that even with the version that uses the C99 variadic
1646 * macros.
5b692037
JH		 1647 */
1648
1208b3dd
JH		 1649/* Note that we do not check against snprintf()/vsnprintf() returning
1650 * negative values because that is non-standard behaviour and we use
1651 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1652 * that should be true only if the snprintf()/vsnprintf() are true
1653 * to the standard. */
1654
dfeee9b1 1655#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1656# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1657# 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 1658# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1659# else
1660# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1661# endif
1662#else
1663# define my_snprintf Perl_my_snprintf
1208b3dd 1664# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1665#endif
1666
dfeee9b1 1667#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1668# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1669# 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 1670# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1671# else
1672# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1673# endif
1674#else
1675# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1676# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1677#endif
d9fad198 1678
a6cc4119
SP		 1679#ifdef HAS_STRLCAT
1680# define my_strlcat strlcat
1681#else
1682# define my_strlcat Perl_my_strlcat
1683#endif
1684
1685#ifdef HAS_STRLCPY
1686# define my_strlcpy strlcpy
1687#else
1688# define my_strlcpy Perl_my_strlcpy
1689#endif
1690
c495e728
JH		 1691/* Configure gets this right but the UTS compiler gets it wrong.
1692 -- Hal Morris <hom00@utsglobal.com> */
1693#ifdef UTS
1694# undef UVTYPE
1695# define UVTYPE unsigned
1696#endif
1697
05f13f53 1698/*
27d4fb96 1699 The IV type is supposed to be long enough to hold any integral
1700 value or a pointer.
1701 --Andy Dougherty August 1996
1702*/
1703
a22e52b9
JH		 1704typedef IVTYPE IV;
1705typedef UVTYPE UV;
8175356b 1706
10cc9d2a 1707#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1708# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1709# define IV_MAX INT64_MAX
1710# define IV_MIN INT64_MIN
1711# define UV_MAX UINT64_MAX
cae7ae48
JH		 1712# ifndef UINT64_MIN
1713# define UINT64_MIN 0
1714# endif
5ff3f7a4
GS		 1715# define UV_MIN UINT64_MIN
1716# else
1717# define IV_MAX PERL_QUAD_MAX
1718# define IV_MIN PERL_QUAD_MIN
1719# define UV_MAX PERL_UQUAD_MAX
1720# define UV_MIN PERL_UQUAD_MIN
1721# endif
cf2093f6
JH		 1722# define IV_IS_QUAD
1723# define UV_IS_QUAD
79072805 1724#else
8175356b 1725# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1726# define IV_MAX INT32_MAX
1727# define IV_MIN INT32_MIN
716026f9
DL		 1728# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1729# define UV_MAX UINT32_MAX
1730# else
1731# define UV_MAX 4294967295U
1732# endif
cae7ae48
JH		 1733# ifndef UINT32_MIN
1734# define UINT32_MIN 0
1735# endif
5ff3f7a4
GS		 1736# define UV_MIN UINT32_MIN
1737# else
1738# define IV_MAX PERL_LONG_MAX
1739# define IV_MIN PERL_LONG_MIN
1740# define UV_MAX PERL_ULONG_MAX
1741# define UV_MIN PERL_ULONG_MIN
1742# endif
8175356b 1743# if IVSIZE == 8
cf2093f6
JH		 1744# define IV_IS_QUAD
1745# define UV_IS_QUAD
de1c2614
JH		 1746# ifndef HAS_QUAD
1747# define HAS_QUAD
1748# endif
cf2093f6
JH		 1749# else
1750# undef IV_IS_QUAD
1751# undef UV_IS_QUAD
de1c2614 1752# undef HAS_QUAD
cf2093f6 1753# endif
79072805 1754#endif
d7d93a81 1755
1109a392
MHM		 1756#ifndef HAS_QUAD
1757# undef PERL_NEED_MY_HTOLE64
1758# undef PERL_NEED_MY_LETOH64
1759# undef PERL_NEED_MY_HTOBE64
1760# undef PERL_NEED_MY_BETOH64
1761#endif
1762
6cde8aec 1763#if defined(uts) || defined(UTS)
11afe549
HM		 1764# undef UV_MAX
1765# define UV_MAX (4294967295u)
20601011
JH		 1766#endif
1767
cae7ae48 1768#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1769#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1770
28e5dec8 1771#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1772#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1773#endif
1774
d460ef45 1775/*
26bb67e2
JH		 1776 * The macros INT2PTR and NUM2PTR are (despite their names)
1777 * bi-directional: they will convert int/float to or from pointers.
1778 * However the conversion to int/float are named explicitly:
1779 * PTR2IV, PTR2UV, PTR2NV.
1780 *
1781 * For int conversions we do not need two casts if pointers are
1782 * the same size as IV and UV. Otherwise we need an explicit
1783 * cast (PTRV) to avoid compiler warnings.
1784 */
56431972
RB		 1785#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1786# define PTRV UV
1787# define INT2PTR(any,d) (any)(d)
1788#else
d460ef45 1789# if PTRSIZE == LONGSIZE
56431972 1790# define PTRV unsigned long
e91e3b10 1791# define PTR2ul(p) (unsigned long)(p)
42718184 1792# else
56431972 1793# define PTRV unsigned
42718184 1794# endif
e91e3b10
RB		 1795#endif
1796
1797#ifndef INT2PTR
56431972 1798# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1799#endif
e91e3b10
RB		 1800
1801#ifndef PTR2ul
1802# define PTR2ul(p) INT2PTR(unsigned long,p)
1803#endif
1804
56431972
RB		 1805#define NUM2PTR(any,d) (any)(PTRV)(d)
1806#define PTR2IV(p) INT2PTR(IV,p)
1807#define PTR2UV(p) INT2PTR(UV,p)
1808#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1809#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1810
8141890a
JH		 1811/* According to strict ANSI C89 one cannot freely cast between
1812 * data pointers and function (code) pointers. There are at least
1813 * two ways around this. One (used below) is to do two casts,
1814 * first the other pointer to an (unsigned) integer, and then
1815 * the integer to the other pointer. The other way would be
1816 * to use unions to "overlay" the pointers. For an example of
1817 * the latter technique, see union dirpu in struct xpvio in sv.h.
1818 * The only feasible use is probably temporarily storing
1819 * function pointers in a data pointer (such as a void pointer). */
1820
e91e3b10
RB		 1821#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1822#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1823
65202027 1824#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1825# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1826# define LONG_DOUBLE_EQUALS_DOUBLE
1827# endif
68d4903c 1828# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1829# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1830# endif
1831#endif
1832
2d4389e4
JH		 1833#ifdef OVR_DBL_DIG
1834/* Use an overridden DBL_DIG */
1835# ifdef DBL_DIG
1836# undef DBL_DIG
1837# endif
1838# define DBL_DIG OVR_DBL_DIG
1839#else
1840/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1841 default value for printing floating point numbers in Gconvert
1842 (see config.h). (It also has other uses, such as figuring out if
1843 a given precision of printing can be done with a double instead of
1844 a long double - Allen).
2d4389e4
JH		 1845*/
1846#ifdef I_LIMITS
1847#include <limits.h>
1848#endif
1849#ifdef I_FLOAT
1850#include <float.h>
1851#endif
1852#ifndef HAS_DBL_DIG
1853#define DBL_DIG 15 /* A guess that works lots of places */
1854#endif
1855#endif
1856
1857#ifdef OVR_LDBL_DIG
1858/* Use an overridden LDBL_DIG */
1859# ifdef LDBL_DIG
1860# undef LDBL_DIG
1861# endif
1862# define LDBL_DIG OVR_LDBL_DIG
1863#else
1864/* The following is all to get LDBL_DIG, in order to pick a nice
1865 default value for printing floating point numbers in Gconvert.
1866 (see config.h)
1867*/
68d4903c
JH		 1868# ifdef I_LIMITS
1869# include <limits.h>
1870# endif
1871# ifdef I_FLOAT
1872# include <float.h>
1873# endif
1874# ifndef HAS_LDBL_DIG
1875# if LONG_DOUBLESIZE == 10
1876# define LDBL_DIG 18 /* assume IEEE */
1877# else
1878# if LONG_DOUBLESIZE == 12
1879# define LDBL_DIG 18 /* gcc? */
1880# else
1881# if LONG_DOUBLESIZE == 16
1882# define LDBL_DIG 33 /* assume IEEE */
1883# else
1884# if LONG_DOUBLESIZE == DOUBLESIZE
1885# define LDBL_DIG DBL_DIG /* bummer */
1886# endif
1887# endif
1888# endif
1889# endif
1890# endif
2d4389e4
JH		 1891#endif
1892
20f6aaab
AS		 1893/*
1894 * This is for making sure we have a good DBL_MAX value, if possible,
1895 * either for usage as NV_MAX or for usage in figuring out if we can
1896 * fit a given long double into a double, if bug-fixing makes it
1897 * necessary to do so. - Allen <allens@cpan.org>
1898 */
1899
205f51d8
AS		 1900#ifdef I_LIMITS
1901# include <limits.h>
20f6aaab
AS		 1902#endif
1903
205f51d8
AS		 1904#ifdef I_VALUES
1905# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1906# include <values.h>
1907# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1908# define DBL_MAX MAXDOUBLE
1909# endif
1910# if defined(MINDOUBLE) && !defined(DBL_MIN)
1911# define DBL_MIN MINDOUBLE
1912# endif
1913# endif
1914#endif /* defined(I_VALUES) */
1915
a22e52b9 1916typedef NVTYPE NV;
8175356b 1917
792d8dab
JH		 1918#ifdef I_IEEEFP
1919# include <ieeefp.h>
1920#endif
923fc586 1921
65202027 1922#ifdef USE_LONG_DOUBLE
923fc586
JH		 1923# ifdef I_SUNMATH
1924# include <sunmath.h>
1925# endif
2d4389e4 1926# define NV_DIG LDBL_DIG
d6c14000
JH		 1927# ifdef LDBL_MANT_DIG
1928# define NV_MANT_DIG LDBL_MANT_DIG
1929# endif
06fc1729
JH		 1930# ifdef LDBL_MIN
1931# define NV_MIN LDBL_MIN
1932# endif
1933# ifdef LDBL_MAX
1934# define NV_MAX LDBL_MAX
1935# endif
1936# ifdef LDBL_MIN_10_EXP
1937# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1938# endif
1939# ifdef LDBL_MAX_10_EXP
1940# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1941# endif
1942# ifdef LDBL_EPSILON
1943# define NV_EPSILON LDBL_EPSILON
1944# endif
f4a14a62
JH		 1945# ifdef LDBL_MAX
1946# define NV_MAX LDBL_MAX
20f6aaab 1947/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1948# else
1949# ifdef HUGE_VALL
1950# define NV_MAX HUGE_VALL
1951# else
1952# ifdef HUGE_VAL
1953# define NV_MAX ((NV)HUGE_VAL)
1954# endif
1955# endif
1956# endif
68d4903c 1957# ifdef HAS_SQRTL
68d4903c
JH		 1958# define Perl_cos cosl
1959# define Perl_sin sinl
1960# define Perl_sqrt sqrtl
1961# define Perl_exp expl
1962# define Perl_log logl
1963# define Perl_atan2 atan2l
1964# define Perl_pow powl
1965# define Perl_floor floorl
1bbae031 1966# define Perl_ceil ceill
68d4903c
JH		 1967# define Perl_fmod fmodl
1968# endif
a3540c92
JH		 1969/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1970# ifdef HAS_MODFL
1971# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1972/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1973 prototype in <math.h> */
1974# ifndef HAS_MODFL_PROTO
a221a8a5 1975EXTERN_C long double modfl(long double, long double *);
51997bc3 1976# endif
03476e8e
JH		 1977# else
1978# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1979 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1980# define Perl_modf(x,y) Perl_my_modfl(x,y)
1981# endif
a3540c92
JH		 1982# endif
1983# ifdef HAS_FREXPL
dff3e0b8 1984# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1985# else
1986# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1987 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1988# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1989# endif
a3540c92 1990# endif
38dbb4c5 1991# ifndef Perl_isnan
758a5d79
JH		 1992# ifdef HAS_ISNANL
1993# define Perl_isnan(x) isnanl(x)
1994# endif
1995# endif
1996# ifndef Perl_isinf
1997# ifdef HAS_FINITEL
1998# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1999# endif
2000# endif
65202027 2001#else
2d4389e4 2002# define NV_DIG DBL_DIG
d6c14000
JH		 2003# ifdef DBL_MANT_DIG
2004# define NV_MANT_DIG DBL_MANT_DIG
2005# endif
06fc1729
JH		 2006# ifdef DBL_MIN
2007# define NV_MIN DBL_MIN
2008# endif
2009# ifdef DBL_MAX
2010# define NV_MAX DBL_MAX
2011# endif
2012# ifdef DBL_MIN_10_EXP
2013# define NV_MIN_10_EXP DBL_MIN_10_EXP
2014# endif
2015# ifdef DBL_MAX_10_EXP
2016# define NV_MAX_10_EXP DBL_MAX_10_EXP
2017# endif
2018# ifdef DBL_EPSILON
2019# define NV_EPSILON DBL_EPSILON
2020# endif
205f51d8 2021# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 2022# define NV_MAX DBL_MAX
2023# define NV_MIN DBL_MIN
2024# else
2025# ifdef HUGE_VAL
2026# define NV_MAX HUGE_VAL
2027# endif
2028# endif
65202027
DS		 2029# define Perl_cos cos
2030# define Perl_sin sin
2031# define Perl_sqrt sqrt
2032# define Perl_exp exp
2033# define Perl_log log
2034# define Perl_atan2 atan2
2035# define Perl_pow pow
2036# define Perl_floor floor
1bbae031 2037# define Perl_ceil ceil
65202027 2038# define Perl_fmod fmod
a3540c92 2039# define Perl_modf(x,y) modf(x,y)
dff3e0b8 2040# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 2041#endif
2042
2043/* rumor has it that Win32 has _fpclass() */
2044
205f51d8
AS		 2045/* SGI has fpclassl... but not with the same result values,
2046 * and it's via a typedef (not via #define), so will need to redo Configure
2047 * to use. Not worth the trouble, IMO, at least until the below is used
2048 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
2049 * with me for the SGI manpages, SGI testing, etcetera, if you want to
2050 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
2051
758a5d79
JH		 2052#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2053# ifdef I_IEEFP
2054# include <ieeefp.h>
2055# endif
2056# ifdef I_FP
2057# include <fp.h>
2058# endif
2059# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2060# define Perl_fp_class() fpclassl(x)
2061# else
2062# define Perl_fp_class() fpclass(x)
2063# endif
2064# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2065# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2066# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2067# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2068# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2069# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2070# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2071# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2072# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2073# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2074# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2075# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2076# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2077# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2078# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2079#endif
2080
7114a2d2 2081#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2082# include <math.h>
2083# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2084# include <fp_class.h>
2085# endif
2086# define Perl_fp_class(x) fp_class(x)
2087# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2088# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2089# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2090# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2091# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2092# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2093# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2094# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2095# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2096# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2097# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2098# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2099# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2100# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2101# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2102#endif
2103
2104#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2105# include <math.h>
2106# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2107# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2108# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2109# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2110# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2111# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2112#endif
2113
2114#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2115# include <math.h>
2116# ifndef _cplusplus
2117# define Perl_fp_class(x) class(x)
2118# else
2119# define Perl_fp_class(x) _class(x)
2120# endif
2121# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2122# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2123# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2124# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2125# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2126# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2127# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2128# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2129# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2130# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2131# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2132# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2133# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2134# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2135# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2136#endif
2137
2138/* rumor has it that Win32 has _isnan() */
2139
2140#ifndef Perl_isnan
a3540c92 2141# ifdef HAS_ISNAN
758a5d79
JH		 2142# define Perl_isnan(x) isnan((NV)x)
2143# else
2144# ifdef Perl_fp_class_nan
2145# define Perl_isnan(x) Perl_fp_class_nan(x)
2146# else
2147# ifdef HAS_UNORDERED
2148# define Perl_isnan(x) unordered((x), 0.0)
2149# else
2150# define Perl_isnan(x) ((x)!=(x))
2151# endif
2152# endif
2153# endif
2154#endif
2155
ca6c63e1
JH		 2156#ifdef UNDER_CE
2157int isnan(double d);
2158#endif
2159
758a5d79
JH		 2160#ifndef Perl_isinf
2161# ifdef HAS_ISINF
2162# define Perl_isinf(x) isinf((NV)x)
a3540c92 2163# else
758a5d79
JH		 2164# ifdef Perl_fp_class_inf
2165# define Perl_isinf(x) Perl_fp_class_inf(x)
2166# else
2167# define Perl_isinf(x) ((x)==NV_INF)
2168# endif
2169# endif
2170#endif
2171
2172#ifndef Perl_isfinite
2173# ifdef HAS_FINITE
2174# define Perl_isfinite(x) finite((NV)x)
2175# else
2176# ifdef HAS_ISFINITE
2177# define Perl_isfinite(x) isfinite(x)
2178# else
2179# ifdef Perl_fp_class_finite
2180# define Perl_isfinite(x) Perl_fp_class_finite(x)
2181# else
2182# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2183# endif
2184# endif
a3540c92 2185# endif
65202027
DS		 2186#endif
2187
a36244b7
JH		 2188/* The default is to use Perl's own atof() implementation (in numeric.c).
2189 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2190 * it is however best to use the native implementation of atof.
2191 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2192 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2193 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2194 * you may need to be using a different function than atof! */
a36244b7
JH		 2195
2196#ifndef USE_PERL_ATOF
2197# ifndef _UNICOS
2198# define USE_PERL_ATOF
2199# endif
2200#else
2201# if USE_PERL_ATOF == 0
2202# undef USE_PERL_ATOF
2203# endif
2204#endif
2205
2206#ifdef USE_PERL_ATOF
2207# define Perl_atof(s) Perl_my_atof(s)
2208# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2209#else
2210# define Perl_atof(s) (NV)atof(s)
2211# define Perl_atof2(s, n) ((n) = atof(s))
2212#endif
cf2093f6 2213
d460ef45 2214/* Previously these definitions used hardcoded figures.
760ac839
LW		 2215 * It is hoped these formula are more portable, although
2216 * no data one way or another is presently known to me.
2217 * The "PERL_" names are used because these calculated constants
2218 * do not meet the ANSI requirements for LONG_MAX, etc., which
2219 * need to be constants acceptable to #if - kja
2220 * define PERL_LONG_MAX 2147483647L
2221 * define PERL_LONG_MIN (-LONG_MAX - 1)
2222 * define PERL ULONG_MAX 4294967295L
2223 */
2224
2225#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2226# include <limits.h>
760ac839 2227#endif
205f51d8
AS		 2228/* Included values.h above if necessary; still including limits.h down here,
2229 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2230
99abf803 2231/*
2232 * Try to figure out max and min values for the integral types. THE CORRECT
2233 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2234 * following hacks are used if neither limits.h or values.h provide them:
2235 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2236 * for types < int: (unsigned TYPE)~(unsigned)0
2237 * The argument to ~ must be unsigned so that later signed->unsigned
2238 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2239 * and it must not be smaller than int because ~ does integral promotion.
2240 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2241 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2242 * The latter is a hack which happens to work on some machines but
2243 * does *not* catch any random system, or things like integer types
2244 * with NaN if that is possible.
2245 *
2246 * All of the types are explicitly cast to prevent accidental loss of
2247 * numeric range, and in the hope that they will be less likely to confuse
2248 * over-eager optimizers.
2249 *
2250 */
27d4fb96 2251
99abf803 2252#define PERL_UCHAR_MIN ((unsigned char)0)
2253
2254#ifdef UCHAR_MAX
2255# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2256#else
99abf803 2257# ifdef MAXUCHAR
2258# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2259# else
99abf803 2260# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2261# endif
2262#endif
d460ef45 2263
99abf803 2264/*
2265 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2266 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2267 * depending on local options. Until Configure detects this (or at least
2268 * detects whether the "signed" keyword is available) the CHAR ranges
2269 * will not be included. UCHAR functions normally.
2270 * - kja
2271 */
27d4fb96 2272
99abf803 2273#define PERL_USHORT_MIN ((unsigned short)0)
2274
2275#ifdef USHORT_MAX
2276# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2277#else
99abf803 2278# ifdef MAXUSHORT
2279# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2280# else
ef2f54b0
CB		 2281# ifdef USHRT_MAX
2282# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2283# else
2284# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2285# endif
27d4fb96 2286# endif
2287#endif
2288
27d4fb96 2289#ifdef SHORT_MAX
99abf803 2290# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2291#else
2292# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2293# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2294# else
ef2f54b0
CB		 2295# ifdef SHRT_MAX
2296# define PERL_SHORT_MAX ((short)SHRT_MAX)
2297# else
2298# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2299# endif
27d4fb96 2300# endif
2301#endif
2302
2303#ifdef SHORT_MIN
99abf803 2304# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2305#else
2306# ifdef MINSHORT
99abf803 2307# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2308# else
ef2f54b0
CB		 2309# ifdef SHRT_MIN
2310# define PERL_SHORT_MIN ((short)SHRT_MIN)
2311# else
2312# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2313# endif
27d4fb96 2314# endif
2315#endif
2316
99abf803 2317#ifdef UINT_MAX
2318# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2319#else
99abf803 2320# ifdef MAXUINT
2321# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2322# else
99abf803 2323# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2324# endif
2325#endif
2326
99abf803 2327#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2328
2329#ifdef INT_MAX
99abf803 2330# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2331#else
2332# ifdef MAXINT /* Often used in <values.h> */
99abf803 2333# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2334# else
99abf803 2335# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2336# endif
2337#endif
2338
2339#ifdef INT_MIN
99abf803 2340# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2341#else
2342# ifdef MININT
99abf803 2343# define PERL_INT_MIN ((int)MININT)
27d4fb96 2344# else
2345# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2346# endif
2347#endif
2348
99abf803 2349#ifdef ULONG_MAX
2350# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2351#else
99abf803 2352# ifdef MAXULONG
2353# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2354# else
99abf803 2355# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2356# endif
2357#endif
2358
99abf803 2359#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2360
760ac839 2361#ifdef LONG_MAX
99abf803 2362# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2363#else
2364# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2365# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2366# else
99abf803 2367# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2368# endif
2369#endif
2370
2371#ifdef LONG_MIN
99abf803 2372# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2373#else
2374# ifdef MINLONG
99abf803 2375# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2376# else
27d4fb96 2377# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2378# endif
2379#endif
2380
d7d93a81 2381#ifdef UV_IS_QUAD
99abf803 2382
99abf803 2383# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2384# define PERL_UQUAD_MIN ((UV)0)
99abf803 2385# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2386# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2387
79072805
LW		 2388#endif
2389
830247a4 2390struct RExC_state_t;
8e11feef 2391struct _reg_trie_data;
880b20b6 2392
ee0007ab 2393typedef MEM_SIZE STRLEN;
450a55e4 2394
598921a7
NC		 2395#ifdef PERL_MAD
2396typedef struct token TOKEN;
2397typedef struct madprop MADPROP;
2398typedef struct nexttoken NEXTTOKE;
2399#endif
79072805
LW		 2400typedef struct op OP;
2401typedef struct cop COP;
2402typedef struct unop UNOP;
2403typedef struct binop BINOP;
2404typedef struct listop LISTOP;
2405typedef struct logop LOGOP;
79072805
LW		 2406typedef struct pmop PMOP;
2407typedef struct svop SVOP;
7934575e 2408typedef struct padop PADOP;
79072805 2409typedef struct pvop PVOP;
79072805
LW		 2410typedef struct loop LOOP;
2411
52db365a 2412typedef struct block_hooks BHK;
1830b3d9 2413typedef struct custom_op XOP;
52db365a 2414
cd1541b2
NC		 2415typedef struct interpreter PerlInterpreter;
2416
d2b3f365
SS		 2417/* Amdahl's <ksync.h> has struct sv */
2418/* SGI's <sys/sema.h> has struct sv */
2419#if defined(UTS) || defined(__sgi)
2420# define STRUCT_SV perl_sv
b8d3c5db
JH		 2421#else
2422# define STRUCT_SV sv
2423#endif
2424typedef struct STRUCT_SV SV;
79072805
LW		 2425typedef struct av AV;
2426typedef struct hv HV;
2427typedef struct cv CV;
288b8c02 2428typedef struct regexp ORANGE; /* This is the body structure. */
d2f13c59 2429typedef struct p5rx REGEXP;
79072805 2430typedef struct gp GP;
0c30d9ec 2431typedef struct gv GV;
8990e307 2432typedef struct io IO;
c09156bb 2433typedef struct context PERL_CONTEXT;
79072805
LW		 2434typedef struct block BLOCK;
2435
2436typedef struct magic MAGIC;
2437typedef struct xpv XPV;
2438typedef struct xpviv XPVIV;
ff68c719 2439typedef struct xpvuv XPVUV;
79072805
LW		 2440typedef struct xpvnv XPVNV;
2441typedef struct xpvmg XPVMG;
2442typedef struct xpvlv XPVLV;
2443typedef struct xpvav XPVAV;
2444typedef struct xpvhv XPVHV;
2445typedef struct xpvgv XPVGV;
2446typedef struct xpvcv XPVCV;
2447typedef struct xpvbm XPVBM;
2448typedef struct xpvfm XPVFM;
8990e307 2449typedef struct xpvio XPVIO;
79072805
LW		 2450typedef struct mgvtbl MGVTBL;
2451typedef union any ANY;
5f7fde29
GS		 2452typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2453typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2454typedef struct clone_params CLONE_PARAMS;
2455
378cc40b 2456#include "handy.h"
a0d0e21e 2457
6b8eaf93 2458#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2459# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2460# define USE_64_BIT_RAWIO /* implicit */
2461# endif
4564133c
JH		 2462#endif
2463
6b8eaf93
JH		 2464/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2465 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2466 * however, because operating systems like to do that themself. */
2467#ifndef FSEEKSIZE
2468# ifdef HAS_FSEEKO
2469# define FSEEKSIZE LSEEKSIZE
2470# else
2471# define FSEEKSIZE LONGSIZE
d460ef45 2472# endif
6b8eaf93
JH		 2473#endif
2474
2475#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2476# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2477# define USE_64_BIT_STDIO /* implicit */
2478# endif
2479#endif
4564133c 2480
09458382 2481#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2482# ifdef HAS_OFF64_T
2483# undef Off_t
2484# define Off_t off64_t
2485# undef LSEEKSIZE
2486# define LSEEKSIZE 8
5ff3f7a4 2487# endif
d9b3e12d
JH		 2488/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2489 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2490 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2491# if defined(USE_OPEN64)
2492# define open open64
5ff3f7a4 2493# endif
d9b3e12d
JH		 2494# if defined(USE_LSEEK64)
2495# define lseek lseek64
6b8eaf93
JH		 2496# else
2497# if defined(USE_LLSEEK)
2498# define lseek llseek
2499# endif
d9b3e12d
JH		 2500# endif
2501# if defined(USE_STAT64)
2502# define stat stat64
2503# endif
2504# if defined(USE_FSTAT64)
2505# define fstat fstat64
2506# endif
2507# if defined(USE_LSTAT64)
2508# define lstat lstat64
2509# endif
2510# if defined(USE_FLOCK64)
2511# define flock flock64
2512# endif
2513# if defined(USE_LOCKF64)
2514# define lockf lockf64
2515# endif
2516# if defined(USE_FCNTL64)
2517# define fcntl fcntl64
2518# endif
2519# if defined(USE_TRUNCATE64)
2520# define truncate truncate64
2521# endif
2522# if defined(USE_FTRUNCATE64)
2523# define ftruncate ftruncate64
2524# endif
2525#endif
2526
2527#ifdef USE_64_BIT_STDIO
2528# ifdef HAS_FPOS64_T
2529# undef Fpos_t
2530# define Fpos_t fpos64_t
2531# endif
2532/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2533 * will trigger defines like the ones below. Some 64-bit environments,
2534 * however, do not. */
2535# if defined(USE_FOPEN64)
2536# define fopen fopen64
2537# endif
2538# if defined(USE_FSEEK64)
6b8eaf93 2539# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2540# endif
2541# if defined(USE_FTELL64)
6b8eaf93 2542# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2543# endif
2544# if defined(USE_FSETPOS64)
2545# define fsetpos fsetpos64
2546# endif
2547# if defined(USE_FGETPOS64)
2548# define fgetpos fgetpos64
2549# endif
2550# if defined(USE_TMPFILE64)
2551# define tmpfile tmpfile64
2552# endif
2553# if defined(USE_FREOPEN64)
2554# define freopen freopen64
5ff3f7a4
GS		 2555# endif
2556#endif
2557
e37778c2 2558#if defined(OS2)
2c2d71f5
JH		 2559# include "iperlsys.h"
2560#endif
2561
6f71a643 2562#if defined(__OPEN_VM)
19848b3f
JH		 2563# include "vmesa/vmesaish.h"
2564# define ISHISH "vmesa"
6f71a643
JH		 2565#endif
2566
748a9306 2567#ifdef DOSISH
19848b3f
JH		 2568# if defined(OS2)
2569# include "os2ish.h"
2570# else
2571# include "dosish.h"
2572# endif
2573# define ISHISH "dos"
2574#endif
2575
2576#if defined(VMS)
748a9306 2577# include "vmsish.h"
96e176bf 2578# include "embed.h"
eb8433b7
NC		 2579# ifndef PERL_MAD
2580# undef op_getmad
b3f24c00 2581# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2582# endif
19848b3f
JH		 2583# define ISHISH "vms"
2584#endif
2585
2586#if defined(PLAN9)
2587# include "./plan9/plan9ish.h"
2588# define ISHISH "plan9"
2589#endif
2590
2591#if defined(MPE)
2592# include "mpeix/mpeixish.h"
2593# define ISHISH "mpeix"
2594#endif
2595
2596#if defined(__VOS__)
196918b0
PG		 2597# ifdef __GNUC__
2598# include "./vos/vosish.h"
2599# else
2600# include "vos/vosish.h"
2601# endif
19848b3f
JH		 2602# define ISHISH "vos"
2603#endif
2604
2605#if defined(EPOC)
2606# include "epocish.h"
2607# define ISHISH "epoc"
2608#endif
2609
9969cdde 2610#ifdef __SYMBIAN32__
27da23d5
JH		 2611# include "symbian/symbianish.h"
2612# include "embed.h"
eb8433b7
NC		 2613# ifndef PERL_MAD
2614# undef op_getmad
b3f24c00 2615# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2616# endif
27da23d5
JH		 2617# define ISHISH "symbian"
2618#endif
2619
19848b3f 2620
df00ff3b
IW		 2621#if defined(__HAIKU__)
2622# include "haiku/haikuish.h"
2623# define ISHISH "haiku"
2624#elif defined(__BEOS__)
efca5cc6
JH		 2625# include "beos/beosish.h"
2626# define ISHISH "beos"
2627#endif
2628
19848b3f
JH		 2629#ifndef ISHISH
2630# include "unixish.h"
2631# define ISHISH "unix"
13b6e58c
JH		 2632#endif
2633
2946a158
JH		 2634/* NSIG logic from Configure --> */
2635/* Strange style to avoid deeply-nested #if/#else/#endif */
2636#ifndef NSIG
2637# ifdef _NSIG
2638# define NSIG (_NSIG)
2639# endif
2640#endif
2641
2642#ifndef NSIG
2643# ifdef SIGMAX
2644# define NSIG (SIGMAX+1)
2645# endif
2646#endif
2647
2648#ifndef NSIG
2649# ifdef SIG_MAX
2650# define NSIG (SIG_MAX+1)
2651# endif
2652#endif
2653
2654#ifndef NSIG
2655# ifdef _SIG_MAX
2656# define NSIG (_SIG_MAX+1)
2657# endif
2658#endif
2659
2660#ifndef NSIG
2661# ifdef MAXSIG
2662# define NSIG (MAXSIG+1)
2663# endif
2664#endif
2665
2666#ifndef NSIG
2667# ifdef MAX_SIG
2668# define NSIG (MAX_SIG+1)
2669# endif
2670#endif
2671
2672#ifndef NSIG
2673# ifdef SIGARRAYSIZE
2674# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2675# endif
2676#endif
2677
2678#ifndef NSIG
2679# ifdef _sys_nsig
2680# define NSIG (_sys_nsig) /* Solaris 2.5 */
2681# endif
2682#endif
2683
2684/* Default to some arbitrary number that's big enough to get most
2685 of the common signals.
2686*/
2687#ifndef NSIG
2688# define NSIG 50
2689#endif
2690/* <-- NSIG logic from Configure */
2691
13b6e58c
JH		 2692#ifndef NO_ENVIRON_ARRAY
2693# define USE_ENVIRON_ARRAY
2694#endif
32f822de 2695
c77b533b
JH		 2696/*
2697 * initialise to avoid floating-point exceptions from overflow, etc
2698 */
2699#ifndef PERL_FPU_INIT
2700# ifdef HAS_FPSETMASK
2701# if HAS_FLOATINGPOINT_H
2702# include <floatingpoint.h>
2703# endif
ad3a8c67
NC		 2704/* Some operating systems have this as a macro, which in turn expands to a comma
2705 expression, and the last sub-expression is something that gets calculated,
2706 and then they have the gall to warn that a value computed is not used. Hence
2707 cast to void. */
2708# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2709# else
2f42fcb0 2710# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2711# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2712# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2713# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2714# else
2715# define PERL_FPU_INIT
2f42fcb0 2716
7014c407 2717# endif
c77b533b
JH		 2718# endif
2719#endif
b35112e7
CS		 2720#ifndef PERL_FPU_PRE_EXEC
2721# define PERL_FPU_PRE_EXEC {
2722# define PERL_FPU_POST_EXEC }
2723#endif
c77b533b 2724
cbec8ebe
DM		 2725#ifndef PERL_SYS_INIT3_BODY
2726# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2727#endif
2728
eb533572
DM		 2729/*
2730=for apidoc Am|void|PERL_SYS_INIT|int argc|char** argv
2731Provides system-specific tune up of the C runtime environment necessary to
2732run Perl interpreters. This should be called only once, before creating
2733any Perl interpreters.
2734
2735=for apidoc Am|void|PERL_SYS_INIT3|int argc|char** argv|char** env
2736Provides system-specific tune up of the C runtime environment necessary to
2737run Perl interpreters. This should be called only once, before creating
2738any Perl interpreters.
2739
2740=for apidoc Am|void|PERL_SYS_TERM|
2741Provides system-specific clean up of the C runtime environment after
2742running Perl interpreters. This should be called only once, after
2743freeing any remaining Perl interpreters.
2744
2745=cut
2746 */
2747
cbec8ebe
DM		 2748#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2749#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2750#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2751
be708cc0
JH		 2752#ifndef PERL_WRITE_MSG_TO_CONSOLE
2753# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2754#endif
2755
0f31cffe
GS		 2756#ifndef MAXPATHLEN
2757# ifdef PATH_MAX
b990c8b2
JH		 2758# ifdef _POSIX_PATH_MAX
2759# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2760/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2761 * included the null byte or not. Later amendments of POSIX,
2762 * XPG4, the Austin Group, and the Single UNIX Specification
2763 * all explicitly include the null byte in the PATH_MAX.
2764 * Ditto for _POSIX_PATH_MAX. */
2765# define MAXPATHLEN PATH_MAX
b990c8b2 2766# else
09448d78 2767# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2768# endif
2769# else
2770# define MAXPATHLEN (PATH_MAX+1)
2771# endif
0f31cffe 2772# else
b990c8b2 2773# ifdef _POSIX_PATH_MAX
09448d78 2774# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2775# else
2776# define MAXPATHLEN 1024 /* Err on the large side. */
2777# endif
0f31cffe
GS		 2778# endif
2779#endif
2780
c80263a8
SH		 2781/* In case Configure was not used (we are using a "canned config"
2782 * such as Win32, or a cross-compilation setup, for example) try going
2783 * by the gcc major and minor versions. One useful URL is
2784 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2785 * but contrary to this information warn_unused_result seems
2786 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2787 * Also, when building extensions with an installed perl, this allows
2788 * the user to upgrade gcc and get the right attributes, rather than
2789 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2790 * Set these up now otherwise we get confused when some of the <*thread.h>
2791 * includes below indirectly pull in <perlio.h> (which needs to know if we
2792 * have HASATTRIBUTE_FORMAT).
2793 */
2794
4d7c7898 2795#ifndef PERL_MICRO
fc2007d4 2796#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2797# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2798# define HASATTRIBUTE_DEPRECATED
2799# endif
c80263a8
SH		 2800# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2801# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2802# if defined __MINGW32__
2803# define PRINTF_FORMAT_NULL_OK
2804# endif
c80263a8
SH		 2805# endif
2806# if __GNUC__ >= 3 /* 3.0 -> */
2807# define HASATTRIBUTE_MALLOC
2808# endif
2809# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2810# define HASATTRIBUTE_NONNULL
2811# endif
2812# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2813# define HASATTRIBUTE_NORETURN
2814# endif
2815# if __GNUC__ >= 3 /* gcc 3.0 -> */
2816# define HASATTRIBUTE_PURE
2817# endif
42bf5550 2818# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2819# define HASATTRIBUTE_UNUSED
2820# endif
d324fe49
AD		 2821# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2822# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2823# endif
c80263a8
SH		 2824# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2825# define HASATTRIBUTE_WARN_UNUSED_RESULT
2826# endif
2827#endif
00f254e2 2828#endif /* #ifndef PERL_MICRO */
c80263a8 2829
3db8f154 2830/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2831 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2832 * this results in many functions being undeclared which bothers C++
2833 * May make sense to have threads after "*ish.h" anyway
2834 */
2835
3db8f154 2836#if defined(USE_ITHREADS)
2986a63f
JH		 2837# ifdef NETWARE
2838# include <nw5thread.h>
2839# else
32f822de
GS		 2840# ifdef FAKE_THREADS
2841# include "fakethr.h"
2842# else
2843# ifdef WIN32
2844# include <win32thread.h>
2845# else
dd96f567
IZ		 2846# ifdef OS2
2847# include "os2thread.h"
2848# else
7f3d1cf1 2849# ifdef I_MACH_CTHREADS
bdd66968 2850# include <mach/cthreads.h>
8f1f23e8 2851# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2852# define MUTEX_INIT_CALLS_MALLOC
2853# endif
7f3d1cf1
BH		 2854typedef cthread_t perl_os_thread;
2855typedef mutex_t perl_mutex;
2856typedef condition_t perl_cond;
2857typedef void * perl_key;
2858# else /* Posix threads */
1f5ae88c
JH		 2859# ifdef I_PTHREAD
2860# include <pthread.h>
2861# endif
7f3d1cf1
BH		 2862typedef pthread_t perl_os_thread;
2863typedef pthread_mutex_t perl_mutex;
2864typedef pthread_cond_t perl_cond;
2865typedef pthread_key_t perl_key;
2866# endif /* I_MACH_CTHREADS */
dd96f567 2867# endif /* OS2 */
32f822de
GS		 2868# endif /* WIN32 */
2869# endif /* FAKE_THREADS */
2986a63f 2870#endif /* NETWARE */
3db8f154 2871#endif /* USE_ITHREADS */
c5be433b 2872
66a93824 2873#if defined(WIN32)
1feb2720 2874# include "win32.h"
c5be433b
GS		 2875#endif
2876
2986a63f
JH		 2877#ifdef NETWARE
2878# include "netware.h"
2879#endif
2880
e5218da5 2881#define STATUS_UNIX PL_statusvalue
68dc0745 2882#ifdef VMS
6b88bc9c 2883# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2884/*
2885 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2886 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2887 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2888 * be updated also.
2889 */
2890# include <stsdef.h>
2891# include <ssdef.h>
2892/* Presume this because if VMS changes it, it will require a new
2893 * set of APIs for waiting on children for binary compatibility.
2894 */
2895# define child_offset_bits (8)
2896# ifndef C_FAC_POSIX
2897# define C_FAC_POSIX 0x35A000
2898# endif
2899
2900/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2901 * platform from the existing UNIX or Native status values.
2902 */
2903
37038d91 2904# define STATUS_EXIT \
7a7fd8e0
JM		 2905 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2906 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2907
7a7fd8e0 2908
fb38d079
JM		 2909/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2910 * exit code and shifts the UNIX value over the correct number of bits to
2911 * be a child status. Usually the number of bits is 8, but that could be
2912 * platform dependent. The NATIVE status code is presumed to have either
2913 * from a child process.
7a7fd8e0
JM		 2914 */
2915
fb38d079
JM		 2916/* This is complicated. The child processes return a true native VMS
2917 status which must be saved. But there is an assumption in Perl that
2918 the UNIX child status has some relationship to errno values, so
00f254e2 2919 Perl tries to translate it to text in some of the tests.
fb38d079
JM		 2920 In order to get the string translation correct, for the error, errno
2921 must be EVMSERR, but that generates a different text message
2922 than what the test programs are expecting. So an errno value must
2923 be derived from the native status value when an error occurs.
2924 That will hide the true native status message. With this version of
2925 perl, the true native child status can always be retrieved so that
2926 is not a problem. But in this case, Pl_statusvalue and errno may
2927 have different values in them.
2928 */
7a7fd8e0 2929
fb38d079 2930# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2931 STMT_START { \
2fbb330f
JM		 2932 I32 evalue = (I32)n; \
2933 if (evalue == EVMSERR) { \
2934 PL_statusvalue_vms = vaxc$errno; \
2935 PL_statusvalue = evalue; \
7a7fd8e0 2936 } else { \
2fbb330f 2937 PL_statusvalue_vms = evalue; \
fb38d079 2938 if (evalue == -1) { \
3280af22 2939 PL_statusvalue = -1; \
7a7fd8e0
JM		 2940 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2941 } else \
fb38d079 2942 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2943 set_vaxc_errno(evalue); \
fb38d079
JM		 2944 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2945 set_errno(EVMSERR); \
2946 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2947 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2948 } \
68dc0745 2949 } STMT_END
7a7fd8e0 2950
68dc0745 2951# ifdef VMSISH_STATUS
e5218da5 2952# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2953# else
e5218da5 2954# define STATUS_CURRENT STATUS_UNIX
68dc0745 2955# endif
7a7fd8e0
JM		 2956
2957 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2958 * the NATIVE status to an equivalent value. Can not be used to translate
2959 * exit code values as exit code values are not guaranteed to have any
2960 * relationship at all to errno values.
2961 * This is used when Perl is forcing errno to have a specific value.
2962 */
e5218da5 2963# define STATUS_UNIX_SET(n) \
68dc0745 2964 STMT_START { \
7a7fd8e0 2965 I32 evalue = (I32)n; \
0968cdad 2966 PL_statusvalue = evalue; \
3280af22 2967 if (PL_statusvalue != -1) { \
0968cdad
JM		 2968 if (PL_statusvalue != EVMSERR) { \
2969 PL_statusvalue &= 0xFFFF; \
2970 if (MY_POSIX_EXIT) \
2971 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2972 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2973 } \
2974 else { \
2975 PL_statusvalue_vms = vaxc$errno; \
2976 } \
68dc0745 2977 } \
0968cdad
JM		 2978 else PL_statusvalue_vms = SS$_ABORT; \
2979 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2980 } STMT_END
2981
2982 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 2983 * the NATIVE error status based on it.
2984 *
2985 * When in the default mode to comply with the Perl VMS documentation,
2986 * 0 is a success and any other code sets the NATIVE status to a failure
2987 * code of SS$_ABORT.
fb38d079
JM		 2988 *
2989 * In the new POSIX EXIT mode, native status will be set so that the
2990 * actual exit code will can be retrieved by the calling program or
2991 * shell.
2992 *
2993 * If the exit code is not clearly a UNIX parent or child exit status,
2994 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2995 */
2996
fb38d079 2997# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2998 STMT_START { \
2999 I32 evalue = (I32)n; \
3000 PL_statusvalue = evalue; \
e08e1e1d
JM		 3001 if (MY_POSIX_EXIT) { \
3002 if (evalue <= 0xFF00) { \
3003 if (evalue > 0xFF) \
3004 evalue = (evalue >> child_offset_bits) & 0xFF; \
3005 PL_statusvalue_vms = \
3006 (C_FAC_POSIX | (evalue << 3 ) | \
3007 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
3008 } else /* forgive them Perl, for they have sinned */ \
3009 PL_statusvalue_vms = evalue; \
3010 } else { \
3011 if (evalue == 0) \
3012 PL_statusvalue_vms = SS$_NORMAL; \
3013 else if (evalue <= 0xFF00) \
3014 PL_statusvalue_vms = SS$_ABORT; \
3015 else { /* forgive them Perl, for they have sinned */ \
3016 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3017 else PL_statusvalue_vms = vaxc$errno; \
3018 /* And obviously used a VMS status value instead of UNIX */ \
3019 PL_statusvalue = EVMSERR; \
3020 } \
3021 set_vaxc_errno(PL_statusvalue_vms); \
3022 } \
68dc0745 3023 } STMT_END
fb38d079 3024
e08e1e1d 3025
6ac6a52b
JM		 3026 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3027 * and sets the NATIVE error status based on it. This special case
3028 * is needed to maintain compatibility with past VMS behavior.
3029 *
3030 * In the default mode on VMS, this number is passed through as
3031 * both the NATIVE and UNIX status. Which makes it different
3032 * that the STATUS_UNIX_EXIT_SET.
3033 *
3034 * In the new POSIX EXIT mode, native status will be set so that the
3035 * actual exit code will can be retrieved by the calling program or
3036 * shell.
3037 *
1a3aec58
JM		 3038 * A POSIX exit code is from 0 to 255. If the exit code is higher
3039 * than this, it needs to be assumed that it is a VMS exit code and
3040 * passed through.
6ac6a52b
JM		 3041 */
3042
3043# define STATUS_EXIT_SET(n) \
3044 STMT_START { \
3045 I32 evalue = (I32)n; \
3046 PL_statusvalue = evalue; \
3047 if (MY_POSIX_EXIT) \
1a3aec58
JM		 3048 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3049 PL_statusvalue_vms = \
3050 (C_FAC_POSIX | (evalue << 3 ) | \
3051 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 3052 else \
3053 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3054 set_vaxc_errno(PL_statusvalue_vms); \
3055 } STMT_END
3056
fb38d079
JM		 3057
3058 /* This macro forces a success status */
7a7fd8e0
JM		 3059# define STATUS_ALL_SUCCESS \
3060 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 3061
3062 /* This macro forces a failure status */
7a7fd8e0
JM		 3063# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3064 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3065 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3066
68dc0745 3067#else
e5218da5 3068# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3069# if defined(WCOREDUMP)
37038d91 3070# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3071 STMT_START { \
3072 PL_statusvalue_posix = (n); \
3073 if (PL_statusvalue_posix == -1) \
3074 PL_statusvalue = -1; \
3075 else { \
3076 PL_statusvalue = \
3077 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3078 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3079 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3080 } \
3081 } STMT_END
3082# elif defined(WIFEXITED)
37038d91 3083# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3084 STMT_START { \
3085 PL_statusvalue_posix = (n); \
3086 if (PL_statusvalue_posix == -1) \
3087 PL_statusvalue = -1; \
3088 else { \
3089 PL_statusvalue = \
3090 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3091 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3092 } \
3093 } STMT_END
3094# else
37038d91 3095# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3096 STMT_START { \
3097 PL_statusvalue_posix = (n); \
3098 if (PL_statusvalue_posix == -1) \
3099 PL_statusvalue = -1; \
3100 else { \
3101 PL_statusvalue = \
3102 PL_statusvalue_posix & 0xFFFF; \
3103 } \
3104 } STMT_END
3105# endif
3106# define STATUS_UNIX_SET(n) \
68dc0745 3107 STMT_START { \
3280af22
NIS		 3108 PL_statusvalue = (n); \
3109 if (PL_statusvalue != -1) \
3110 PL_statusvalue &= 0xFFFF; \
68dc0745 3111 } STMT_END
7a7fd8e0 3112# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3113# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3114# define STATUS_CURRENT STATUS_UNIX
37038d91 3115# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3116# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3117# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3118#endif
3119
cc3604b1
GS		 3120/* flags in PL_exit_flags for nature of exit() */
3121#define PERL_EXIT_EXPECTED 0x01
31d77e54 3122#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3123
b79b76e0 3124#ifndef PERL_CORE
a7cb1f99 3125/* format to use for version numbers in file/directory names */
273cf8d1 3126/* XXX move to Configure? */
b79b76e0
NC		 3127/* This was only ever used for the current version, and that can be done at
3128 compile time, as PERL_FS_VERSION, so should we just delete it? */
3129# ifndef PERL_FS_VER_FMT
3130# define PERL_FS_VER_FMT "%d.%d.%d"
3131# endif
3132#endif
3133
3134#ifndef PERL_FS_VERSION
3135# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS		 3136#endif
3137
45bc9206 3138/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3139 * performance issue, so we allow people to disable it. Also, if
3140 * we are using stdio, there are broken implementations of fflush(NULL)
3141 * out there, Solaris being the most prominent.
45bc9206
GS		 3142 */
3143#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3144# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3145# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3146# else
3147# ifdef FFLUSH_ALL
3148# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3149# else
c5be433b 3150# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3151# endif
66fe083f 3152# endif
45bc9206
GS		 3153#endif
3154
7766f137
GS		 3155#ifndef PERL_WAIT_FOR_CHILDREN
3156# define PERL_WAIT_FOR_CHILDREN NOOP
3157#endif
3158
ba869deb 3159/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3160#ifndef PERL_SET_INTERP
3161# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3162#endif
3163
3164#ifndef PERL_GET_INTERP
3165# define PERL_GET_INTERP (PL_curinterp)
3166#endif
3167
54aff467 3168#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3169# ifdef MULTIPLICITY
ba869deb 3170# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3171# endif
ba869deb
GS		 3172# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3173#endif
3174
00f254e2 3175/*
8896765a 3176 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3177 All that is required is that the perl source does not
00f254e2
KW		 3178 use "%-p" or "%-<number>p" or "%<number>p" formats.
3179 These formats will still work in perl code.
8896765a
RB		 3180 See comments in sv.c for futher details.
3181
8896765a 3182 Robin Barker 2005-07-14
f46d31f2 3183
00f254e2 3184 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3185*/
8896765a
RB		 3186
3187#ifndef SVf_
63ce7bf0 3188# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3189#endif
3190
8896765a 3191#ifndef SVf
104abab4 3192# define SVf "-p"
d2560b70
RB		 3193#endif
3194
014ead4b 3195#ifndef SVf32
8896765a 3196# define SVf32 SVf_(32)
014ead4b
RB		 3197#endif
3198
3199#ifndef SVf256
8896765a
RB		 3200# define SVf256 SVf_(256)
3201#endif
3202
be2597df
MHM		 3203#define SVfARG(p) ((void*)(p))
3204
f46d31f2 3205#ifdef PERL_CORE
00f254e2 3206/* not used; but needed for backward compatibilty with XS code? - RMB */
f46d31f2
RB		 3207# undef VDf
3208#else
3209# ifndef VDf
8896765a
RB		 3210# define VDf "vd"
3211# endif
014ead4b 3212#endif
170cd9e9
NC		 3213
3214#ifdef PERL_CORE
00f254e2 3215/* not used; but needed for backward compatibilty with XS code? - RMB */
7776bb98
RB		 3216# undef UVf
3217#else
170cd9e9
NC		 3218# ifndef UVf
3219# define UVf UVuf
3220# endif
d2560b70
RB		 3221#endif
3222
fcdf39cf
RGS		 3223#ifdef HASATTRIBUTE_DEPRECATED
3224# define __attribute__deprecated__ __attribute__((deprecated))
3225#endif
0dbb1585
AL		 3226#ifdef HASATTRIBUTE_FORMAT
3227# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3228#endif
3229#ifdef HASATTRIBUTE_MALLOC
77785eea 3230# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3231#endif
0dbb1585 3232#ifdef HASATTRIBUTE_NONNULL
abb2c242 3233# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3234#endif
0dbb1585 3235#ifdef HASATTRIBUTE_NORETURN
abb2c242 3236# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3237#endif
0dbb1585 3238#ifdef HASATTRIBUTE_PURE
abb2c242 3239# define __attribute__pure__ __attribute__((pure))
f22be1b8 3240#endif
0dbb1585
AL		 3241#ifdef HASATTRIBUTE_UNUSED
3242# define __attribute__unused__ __attribute__((unused))
3243#endif
3244#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3245# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3246#endif
3247
0dbb1585 3248/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3249#ifndef __attribute__deprecated__
3250# define __attribute__deprecated__
3251#endif
0dbb1585
AL		 3252#ifndef __attribute__format__
3253# define __attribute__format__(x,y,z)
3254#endif
f22be1b8 3255#ifndef __attribute__malloc__
abb2c242 3256# define __attribute__malloc__
f22be1b8
JH		 3257#endif
3258#ifndef __attribute__nonnull__
abb2c242 3259# define __attribute__nonnull__(a)
f22be1b8
JH		 3260#endif
3261#ifndef __attribute__noreturn__
abb2c242 3262# define __attribute__noreturn__
f22be1b8
JH		 3263#endif
3264#ifndef __attribute__pure__
abb2c242 3265# define __attribute__pure__
f22be1b8 3266#endif
0dbb1585
AL		 3267#ifndef __attribute__unused__
3268# define __attribute__unused__
3269#endif
f22be1b8 3270#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3271# define __attribute__warn_unused_result__
3272#endif
3273
0dbb1585
AL		 3274/* For functions that are marked as __attribute__noreturn__, it's not
3275 appropriate to call return. In either case, include the lint directive.
3276 */
3277#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3278# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3279#else
b37c2d43 3280# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH		 3281#endif
3282
cdfeb707
RB		 3283/* Some OS warn on NULL format to printf */
3284#ifdef PRINTF_FORMAT_NULL_OK
3285# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3286#else
00f254e2 3287# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB		 3288#endif
3289
635aebb7 3290#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3291# define EXPECT(expr,val) __builtin_expect(expr,val)
3292#else
3293# define EXPECT(expr,val) (expr)
3294#endif
3295#define LIKELY(cond) EXPECT(cond,1)
3296#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3297#ifdef HAS_BUILTIN_CHOOSE_EXPR
3298/* placeholder */
3299#endif
b37c2d43 3300
3fc1aec6 3301/* Some unistd.h's give a prototype for pause() even though
3302 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3303 below to be rejected by the compiler. Sigh.
3fc1aec6 3304*/
3305#ifdef HAS_PAUSE
3306#define Pause pause
3307#else
3308#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3309#endif
3310
3311#ifndef IOCPARM_LEN
3312# ifdef IOCPARM_MASK
61f1c44b 3313 /* on BSDish systems we're safe */
748a9306
LW		 3314# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3315# else
61f1c44b 3316# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3317 /* on Linux systems we're safe; except when we're not [perl #38223] */
3318# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3319# else
748a9306 3320 /* otherwise guess at what's safe */
61f1c44b
JVD		 3321# define IOCPARM_LEN(x) 256
3322# endif
748a9306 3323# endif
a0d0e21e
LW		 3324#endif
3325
1761cee5 3326#if defined(__CYGWIN__)
521e0776
GS		 3327/* USEMYBINMODE
3328 * This symbol, if defined, indicates that the program should
16fe6d59 3329 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3330 * that a file is in "binary" mode -- that is, that no translation
3331 * of bytes occurs on read or write operations.
3332 */
36894f0b 3333# define USEMYBINMODE /**/
77a40698 3334# include <io.h> /* for setmode() prototype */
16fe6d59 3335# define my_binmode(fp, iotype, mode) \
77a40698 3336 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3337#endif
3338
88d10794
JH		 3339#ifdef __CYGWIN__
3340void init_os_extras(void);
3341#endif
3342
cea2e8a9
GS		 3343#ifdef UNION_ANY_DEFINITION
3344UNION_ANY_DEFINITION;
3345#else
3346union any {
3347 void* any_ptr;
3348 I32 any_i32;
3349 IV any_iv;
c6bf6a65 3350 UV any_uv;
cea2e8a9 3351 long any_long;
9febdf04 3352 bool any_bool;
c76ac1ee 3353 void (*any_dptr) (void*);
acfe0abc 3354 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3355};
3356#endif
3357
acfe0abc 3358typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3359
3360#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3361#define FILTER_DATA(idx) \
3362 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3363#define FILTER_ISREADER(idx) \
3364 (PL_parser && PL_parser->rsfp_filters \
3365 && idx >= AvFILLp(PL_parser->rsfp_filters))
3366#define PERL_FILTER_EXISTS(i) \
3367 (PL_parser && PL_parser->rsfp_filters \
3368 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3369
c5078cac
JH		 3370#if defined(_AIX) && !defined(_AIX43)
3371#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3372/* We cannot include <crypt.h> to get the struct crypt_data
3373 * because of setkey prototype problems when threading */
3374typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3375 /* From OSF, Not needed in AIX
3376 char C[28], D[28];
3377 */
3378 char E[48];
3379 char KS[16][48];
3380 char block[66];
3381 char iobuf[16];
3382} CRYPTD;
3383#endif /* threading */
3384#endif /* AIX */
3385
e37778c2 3386#if !defined(OS2)
2c2d71f5
JH		 3387# include "iperlsys.h"
3388#endif
504f80c1 3389
9c12f1e5 3390#ifdef __LIBCATAMOUNT__
00f254e2 3391#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS		 3392#undef HAS_GROUP
3393#define FAKE_BIT_BUCKET
3394#endif
3395
d10dc2ae
JH		 3396/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3397 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3398 * defined by Configure, despite their names being similar to the
3399 * other defines like USE_ITHREADS. Configure in fact knows nothing
3400 * about the randomised hashes. Therefore to enable/disable the hash
3401 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3402#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3403# define USE_HASH_SEED
504f80c1
JH		 3404#endif
3405
598921a7
NC		 3406/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3407 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3408 * it's not really needed.
3409 */
3410#if defined(WIN32)
3411# define YYTOKENTYPE
3412#endif
3413#include "perly.h"
3414
3415#ifdef PERL_MAD
3416struct nexttoken {
3417 YYSTYPE next_val; /* value of next token, if any */
3418 I32 next_type; /* type of next token */
3419 MADPROP *next_mad; /* everything else about that token */
3420};
3421#endif
3422
654eccd5
JD		 3423/* macros to define bit-fields in structs. */
3424#ifndef PERL_BITFIELD8
3425# define PERL_BITFIELD8 unsigned
3426#endif
3427#ifndef PERL_BITFIELD16
3428# define PERL_BITFIELD16 unsigned
3429#endif
3430#ifndef PERL_BITFIELD32
3431# define PERL_BITFIELD32 unsigned
3432#endif
3433
79072805 3434#include "sv.h"
288b8c02 3435#include "regexp.h"
378cc40b 3436#include "util.h"
8d063cd8 3437#include "form.h"
79072805 3438#include "gv.h"
dd2155a4 3439#include "pad.h"
79072805 3440#include "cv.h"
abdd5c84 3441#include "opnames.h"
79072805 3442#include "op.h"
b3ca2e83 3443#include "hv.h"
79072805
LW		 3444#include "cop.h"
3445#include "av.h"
79072805
LW		 3446#include "mg.h"
3447#include "scope.h"
4438c4b7 3448#include "warnings.h"
a0ed51b3 3449#include "utf8.h"
8d063cd8 3450
0d7d409d
DM		 3451/* these would be in doio.h if there was such a file */
3452#define my_stat() my_stat_flags(SV_GMAGIC)
3453#define my_lstat() my_lstat_flags(SV_GMAGIC)
3454
20f4945e 3455/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM		 3456#undef _XPV_HEAD
3457#undef _XPVMG_HEAD
3458#undef _XPVCV_COMMON
7fae4e64
GS		 3459
3460typedef struct _sublex_info SUBLEXINFO;
3461struct _sublex_info {
651b5b28
NC		 3462 U8 super_state; /* lexer state to save */
3463 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3464 OP *sub_op; /* "lex_op" to use */
f06b5848
DM		 3465 char *super_bufptr; /* PL_parser->bufptr that was */
3466 char *super_bufend; /* PL_parser->bufend that was */
7fae4e64
GS		 3467};
3468
199e78b7
DM		 3469#include "parser.h"
3470
455ece5e 3471typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3472
2c2d71f5 3473struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3474struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3475
5f7fde29
GS		 3476struct ptr_tbl_ent {
3477 struct ptr_tbl_ent* next;
53c1dcc0 3478 const void* oldval;
5f7fde29 3479 void* newval;
d18c6117
GS		 3480};
3481
5f7fde29
GS		 3482struct ptr_tbl {
3483 struct ptr_tbl_ent** tbl_ary;
3484 UV tbl_max;
3485 UV tbl_items;
db93c0c4
NC		 3486 struct ptr_tbl_arena *tbl_arena;
3487 struct ptr_tbl_ent *tbl_arena_next;
3488 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS		 3489};
3490
450a55e4 3491#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3492# define I286
3493#endif
3494
fe14fcc3
LW		 3495#if defined(htonl) && !defined(HAS_HTONL)
3496#define HAS_HTONL
ae986130 3497#endif
fe14fcc3
LW		 3498#if defined(htons) && !defined(HAS_HTONS)
3499#define HAS_HTONS
ae986130 3500#endif
fe14fcc3
LW		 3501#if defined(ntohl) && !defined(HAS_NTOHL)
3502#define HAS_NTOHL
ae986130 3503#endif
fe14fcc3
LW		 3504#if defined(ntohs) && !defined(HAS_NTOHS)
3505#define HAS_NTOHS
ae986130 3506#endif
fe14fcc3 3507#ifndef HAS_HTONL
d9d8d8de 3508#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3509#define HAS_HTONS
3510#define HAS_HTONL
3511#define HAS_NTOHS
3512#define HAS_NTOHL
a687059c
LW		 3513#define MYSWAP
3514#define htons my_swap
3515#define htonl my_htonl
3516#define ntohs my_swap
3517#define ntohl my_ntohl
3518#endif
3519#else
d9d8d8de 3520#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3521#undef HAS_HTONS
3522#undef HAS_HTONL
3523#undef HAS_NTOHS
3524#undef HAS_NTOHL
a687059c
LW		 3525#endif
3526#endif
3527
988174c1
LW		 3528/*
3529 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3530 * -DWS
3531 */
3532#if BYTEORDER != 0x1234
3533# define HAS_VTOHL
3534# define HAS_VTOHS
3535# define HAS_HTOVL
3536# define HAS_HTOVS
c67712b2 3537# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3538# define vtohl(x) ((((x)&0xFF)<<24) \
3539 +(((x)>>24)&0xFF) \
3540 +(((x)&0x0000FF00)<<8) \
3541 +(((x)&0x00FF0000)>>8) )
3542# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3543# define htovl(x) vtohl(x)
3544# define htovs(x) vtohs(x)
3545# endif
3546 /* otherwise default to functions in util.c */
2a8c3029 3547#ifndef htovs
c623ac67
GS		 3548short htovs(short n);
3549short vtohs(short n);
3550long htovl(long n);
3551long vtohl(long n);
988174c1 3552#endif
2a8c3029 3553#endif
988174c1 3554
3bb7c1b4
JH		 3555/* *MAX Plus 1. A floating point value.
3556 Hopefully expressed in a way that dodgy floating point can't mess up.
3557 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3558 is added to it
3559 May find that some broken compiler will want the value cast to I32.
3560 [after the shift, as signed >> may not be as secure as unsigned >>]
3561*/
3562#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3563#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3564/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3565 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3566 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3567*/
3568#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3569
3bb7c1b4
JH		 3570#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3571#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3572#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3573
3574/* This may look like unnecessary jumping through hoops, but converting
3575 out of range floating point values to integers *is* undefined behaviour,
3576 and it is starting to bite.
3577*/
3578#ifndef CAST_INLINE
65202027 3579#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3580#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3581#define I_V(what) (cast_iv((NV)(what)))
3582#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3583#else
3584#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3585 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3586 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3587#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3588 : ((n) < U32_MAX_P1 ? (U32) (n) \
3589 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3590#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3591 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3592 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3593#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3594 : ((n) < UV_MAX_P1 ? (UV) (n) \
3595 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3596#endif
3597
3598#define U_S(what) ((U16)U_32(what))
3599#define U_I(what) ((unsigned int)U_32(what))
3600#define U_L(what) U_32(what)
ed6116ce 3601
ed140128
AD		 3602#ifdef HAS_SIGNBIT
3603# define Perl_signbit signbit
3604#endif
3605
2d4389e4
JH		 3606/* These do not care about the fractional part, only about the range. */
3607#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3608#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3609
25da4f38
IZ		 3610/* Used with UV/IV arguments: */
3611 /* XXXX: need to speed it up */
3612#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3613#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3614
352d5a3a
LW		 3615#ifndef MAXSYSFD
3616# define MAXSYSFD 2
3617#endif
ee0007ab 3618
79072805 3619#ifndef __cplusplus
27da23d5 3620#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3621Uid_t getuid (void);
3622Uid_t geteuid (void);
3623Gid_t getgid (void);
3624Gid_t getegid (void);
79072805 3625#endif
e1caacb4 3626#endif
8d063cd8 3627
0c30d9ec 3628#ifndef Perl_debug_log
bf49b057
GS		 3629# define Perl_debug_log PerlIO_stderr()
3630#endif
3631
3632#ifndef Perl_error_log
3633# define Perl_error_log (PL_stderrgv \
6b78add2 3634 && isGV(PL_stderrgv) \
01bb7c6d 3635 && GvIOp(PL_stderrgv) \
42de951c 3636 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3637 ? IoOFP(GvIOp(PL_stderrgv)) \
3638 : PerlIO_stderr())
0c30d9ec 3639#endif
3967c732 3640
aea4f609
DM		 3641
3642#define DEBUG_p_FLAG 0x00000001 /* 1 */
3643#define DEBUG_s_FLAG 0x00000002 /* 2 */
3644#define DEBUG_l_FLAG 0x00000004 /* 4 */
3645#define DEBUG_t_FLAG 0x00000008 /* 8 */
3646#define DEBUG_o_FLAG 0x00000010 /* 16 */
3647#define DEBUG_c_FLAG 0x00000020 /* 32 */
3648#define DEBUG_P_FLAG 0x00000040 /* 64 */
3649#define DEBUG_m_FLAG 0x00000080 /* 128 */
3650#define DEBUG_f_FLAG 0x00000100 /* 256 */
3651#define DEBUG_r_FLAG 0x00000200 /* 512 */
3652#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3653#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3654/* U is reserved for Unofficial, exploratory hacking */
3655#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3656#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3657#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3658#define DEBUG_D_FLAG 0x00008000 /* 32768 */
d2c25739 3659/* 0x00010000 is unused, used to be S */
aea4f609 3660#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3661#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3662#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3663#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3664#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3665#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3666#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 3667#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3668#define DEBUG_B_FLAG 0x02000000 /*33554432*/
3669#define DEBUG_MASK 0x03FEEFFF /* mask of all the standard flags */
aea4f609
DM		 3670
3671#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3672#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3673 that something was done? */
aea4f609 3674
bd16a5f0
IZ		 3675# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3676# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3677# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3678# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3679# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3680# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3681# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3682# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3683# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3684# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3685# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3686# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3687# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3688# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3689# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3690# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
bd16a5f0
IZ		 3691# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3692# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3693# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3694# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3695# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3696# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3697# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3698# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3699# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3700# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3701# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3702
3967c732 3703#ifdef DEBUGGING
aea4f609 3704
bd16a5f0
IZ		 3705# define DEBUG_p_TEST DEBUG_p_TEST_
3706# define DEBUG_s_TEST DEBUG_s_TEST_
3707# define DEBUG_l_TEST DEBUG_l_TEST_
3708# define DEBUG_t_TEST DEBUG_t_TEST_
3709# define DEBUG_o_TEST DEBUG_o_TEST_
3710# define DEBUG_c_TEST DEBUG_c_TEST_
3711# define DEBUG_P_TEST DEBUG_P_TEST_
3712# define DEBUG_m_TEST DEBUG_m_TEST_
3713# define DEBUG_f_TEST DEBUG_f_TEST_
3714# define DEBUG_r_TEST DEBUG_r_TEST_
3715# define DEBUG_x_TEST DEBUG_x_TEST_
3716# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3717# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3718# define DEBUG_H_TEST DEBUG_H_TEST_
3719# define DEBUG_X_TEST DEBUG_X_TEST_
3720# define DEBUG_D_TEST DEBUG_D_TEST_
bd16a5f0
IZ		 3721# define DEBUG_T_TEST DEBUG_T_TEST_
3722# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3723# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3724# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3725# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3726# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3727# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3728# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3729# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC		 3730# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3731# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
aea4f609 3732
488b0c7a
JH		 3733# define PERL_DEB(a) a
3734# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3735# define DEBUG_p(a) if (DEBUG_p_TEST) a
3736# define DEBUG_s(a) if (DEBUG_s_TEST) a
3737# define DEBUG_l(a) if (DEBUG_l_TEST) a
3738# define DEBUG_t(a) if (DEBUG_t_TEST) a
3739# define DEBUG_o(a) if (DEBUG_o_TEST) a
3740# define DEBUG_c(a) if (DEBUG_c_TEST) a
3741# define DEBUG_P(a) if (DEBUG_P_TEST) a
3742
969058bb
VK		 3743 /* Temporarily turn off memory debugging in case the a
3744 * does memory allocation, either directly or indirectly. */
acfe0abc 3745# define DEBUG_m(a) \
0b250b9e 3746 STMT_START { \
aea4f609 3747 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3748 } STMT_END
aea4f609 3749
5f80b19c
AMS		 3750# define DEBUG__(t, a) \
3751 STMT_START { \
3752 if (t) STMT_START {a;} STMT_END; \
3753 } STMT_END
3754
3755# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3756#ifndef PERL_EXT_RE_BUILD
5f80b19c 3757# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3758#else
3759# define DEBUG_r(a) STMT_START {a;} STMT_END
3760#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3761# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3762# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3763# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3764# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3765# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3766# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3767# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3768# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
aea4f609 3769
5f80b19c
AMS		 3770# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3771# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3772# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3773# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3774# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3775# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3776# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3777# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM		 3778
3779#else /* DEBUGGING */
3780
3781# define DEBUG_p_TEST (0)
3782# define DEBUG_s_TEST (0)
3783# define DEBUG_l_TEST (0)
3784# define DEBUG_t_TEST (0)
3785# define DEBUG_o_TEST (0)
3786# define DEBUG_c_TEST (0)
3787# define DEBUG_P_TEST (0)
3788# define DEBUG_m_TEST (0)
3789# define DEBUG_f_TEST (0)
3790# define DEBUG_r_TEST (0)
3791# define DEBUG_x_TEST (0)
3792# define DEBUG_u_TEST (0)
88d2d28a 3793# define DEBUG_U_TEST (0)
aea4f609
DM		 3794# define DEBUG_H_TEST (0)
3795# define DEBUG_X_TEST (0)
3796# define DEBUG_D_TEST (0)
aea4f609 3797# define DEBUG_T_TEST (0)
04932ac8 3798# define DEBUG_R_TEST (0)
1045810a 3799# define DEBUG_J_TEST (0)
d6721266 3800# define DEBUG_v_TEST (0)
46187eeb 3801# define DEBUG_C_TEST (0)
ecae49c0
NC		 3802# define DEBUG_A_TEST (0)
3803# define DEBUG_q_TEST (0)
d7c0d282 3804# define DEBUG_M_TEST (0)
cc8773c0 3805# define DEBUG_B_TEST (0)
7949c6f5
JC		 3806# define DEBUG_Xv_TEST (0)
3807# define DEBUG_Uv_TEST (0)
aea4f609 3808
488b0c7a
JH		 3809# define PERL_DEB(a)
3810# define PERL_DEBUG(a)
aea4f609
DM		 3811# define DEBUG_p(a)
3812# define DEBUG_s(a)
3813# define DEBUG_l(a)
3814# define DEBUG_t(a)
3815# define DEBUG_o(a)
3816# define DEBUG_c(a)
3817# define DEBUG_P(a)
3818# define DEBUG_m(a)
3819# define DEBUG_f(a)
3820# define DEBUG_r(a)
3821# define DEBUG_x(a)
3822# define DEBUG_u(a)
88d2d28a 3823# define DEBUG_U(a)
aea4f609
DM		 3824# define DEBUG_H(a)
3825# define DEBUG_X(a)
3826# define DEBUG_D(a)
aea4f609 3827# define DEBUG_T(a)
04932ac8 3828# define DEBUG_R(a)
d6721266 3829# define DEBUG_v(a)
46187eeb 3830# define DEBUG_C(a)
ecae49c0
NC		 3831# define DEBUG_A(a)
3832# define DEBUG_q(a)
d7c0d282 3833# define DEBUG_M(a)
cc8773c0 3834# define DEBUG_B(a)
7949c6f5
JC		 3835# define DEBUG_Xv(a)
3836# define DEBUG_Uv(a)
aea4f609
DM		 3837#endif /* DEBUGGING */
3838
3839
b4ab917c 3840#define DEBUG_SCOPE(where) \
d9f81b50 3841 DEBUG_l( \
1c98cc53
DM		 3842 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
3843 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
d9f81b50 3844 __FILE__, __LINE__));
b4ab917c
DM		 3845
3846
3847
3848
d1be9408 3849/* These constants should be used in preference to raw characters
14befaf4
DM		 3850 * when using magic. Note that some perl guts still assume
3851 * certain character properties of these constants, namely that
3852 * isUPPER() and toLOWER() may do useful mappings.
3853 *
3854 * Update the magic_names table in dump.c when adding/amending these
3855 */
3856
3857#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3858#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3859#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3860#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3861#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3862#define PERL_MAGIC_regdata 'D' /* Regex match position data
3863 (@+ and @- vars) */
3864#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3865#define PERL_MAGIC_env 'E' /* %ENV hash */
3866#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3867#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3868#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
b3ca2e83
NC		 3869#define PERL_MAGIC_hints 'H' /* %^H hash */
3870#define PERL_MAGIC_hintselem 'h' /* %^H hash element */
14befaf4
DM		 3871#define PERL_MAGIC_isa 'I' /* @ISA array */
3872#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3873#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3874#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3875#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3876#define PERL_MAGIC_shared 'N' /* Shared between threads */
3877#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3878#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3879#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3880#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3881#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3882#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3883#define PERL_MAGIC_sig 'S' /* %SIG hash */
3884#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3885#define PERL_MAGIC_taint 't' /* Taintedness */
3886#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3887#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3888#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3889#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3890#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3891#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3892#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3893 smart parameter vivification */
14befaf4
DM		 3894#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3895#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3896#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3897#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3898#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3899#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4 3900#define PERL_MAGIC_ext '~' /* Available for use by extensions */
d9088386 3901#define PERL_MAGIC_checkcall ']' /* inlining/mutation of call to this CV */
14befaf4 3902
de84dc04
NC		 3903#if defined(DEBUGGING) && defined(I_ASSERT)
3904# include <assert.h>
3905#endif
3906
3907/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3908 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3909
de84dc04 3910#define Perl_assert(what) PERL_DEB( \
2b057284 3911 ((what) ? ((void) 0) : \
67eb4d30 3912 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3913 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3914 (void) 0)))
de84dc04
NC		 3915
3916#ifndef assert
3917# define assert(what) Perl_assert(what)
a446a88f 3918#endif
8d063cd8 3919
450a55e4 3920struct ufuncs {
24f81a43
DM		 3921 I32 (*uf_val)(pTHX_ IV, SV*);
3922 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3923 IV uf_index;
450a55e4
LW		 3924};
3925
14befaf4 3926/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3927 * XS code wanting to be backward compatible can do something
3928 * like the following:
c745e42c 3929
24f81a43 3930#ifndef PERL_MG_UFUNC
24f81a43
DM		 3931#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3932#endif
3933
3934static PERL_MG_UFUNC(foo_get, index, val)
3935{
3936 sv_setsv(val, ...);
3937 return TRUE;
3938}
3939
3940-- Doug MacEachern
3941
3942*/
3943
fc9c74e6 3944#ifndef PERL_MG_UFUNC
24f81a43 3945#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3946#endif
24f81a43 3947
fe14fcc3 3948/* Fix these up for __STDC__ */
68dc0745 3949#ifndef DONT_DECLARE_STD
20ce7b12 3950char *mktemp (char*);
37bd1396 3951#ifndef atof
20ce7b12 3952double atof (const char*);
a0d0e21e 3953#endif
37bd1396 3954#endif
79072805 3955
352d5a3a 3956#ifndef STANDARD_C
fe14fcc3 3957/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3958Time_t time();
8d063cd8 3959struct tm *gmtime(), *localtime();
092bebab 3960#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3961char *(strchr)(), *(strrchr)();
3962char *(strcpy)(), *(strcat)();
3963#else
93a17b20 3964char *strchr(), *strrchr();
378cc40b 3965char *strcpy(), *strcat();
9d116dd7 3966#endif
352d5a3a 3967#endif /* ! STANDARD_C */
8d063cd8 3968
79072805
LW		 3969
3970#ifdef I_MATH
3971# include <math.h>
3972#else
32f822de 3973START_EXTERN_C
20ce7b12
GS		 3974 double exp (double);
3975 double log (double);
3976 double log10 (double);
3977 double sqrt (double);
3978 double frexp (double,int*);
3979 double ldexp (double,int);
3980 double modf (double,double*);
3981 double sin (double);
3982 double cos (double);
3983 double atan2 (double,double);
3984 double pow (double,double);
32f822de 3985END_EXTERN_C
79072805
LW		 3986#endif
3987
aa8b85de
JH		 3988#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3989# define NV_INF LDBL_INFINITY
3990#endif
3991#if !defined(NV_INF) && defined(DBL_INFINITY)
3992# define NV_INF (NV)DBL_INFINITY
3993#endif
3994#if !defined(NV_INF) && defined(INFINITY)
3995# define NV_INF (NV)INFINITY
3996#endif
3997#if !defined(NV_INF) && defined(INF)
3998# define NV_INF (NV)INF
3999#endif
4000#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
4001# define NV_INF (NV)HUGE_VALL
4002#endif
4003#if !defined(NV_INF) && defined(HUGE_VAL)
4004# define NV_INF (NV)HUGE_VAL
4005#endif
4006
4007#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
4008# if !defined(NV_NAN) && defined(LDBL_NAN)
4009# define NV_NAN LDBL_NAN
4010# endif
4011# if !defined(NV_NAN) && defined(LDBL_QNAN)
4012# define NV_NAN LDBL_QNAN
4013# endif
4014# if !defined(NV_NAN) && defined(LDBL_SNAN)
4015# define NV_NAN LDBL_SNAN
4016# endif
4017#endif
4018#if !defined(NV_NAN) && defined(DBL_NAN)
4019# define NV_NAN (NV)DBL_NAN
4020#endif
4021#if !defined(NV_NAN) && defined(DBL_QNAN)
4022# define NV_NAN (NV)DBL_QNAN
4023#endif
4024#if !defined(NV_NAN) && defined(DBL_SNAN)
4025# define NV_NAN (NV)DBL_SNAN
4026#endif
4027#if !defined(NV_NAN) && defined(QNAN)
4028# define NV_NAN (NV)QNAN
4029#endif
4030#if !defined(NV_NAN) && defined(SNAN)
4031# define NV_NAN (NV)SNAN
4032#endif
4033#if !defined(NV_NAN) && defined(NAN)
4034# define NV_NAN (NV)NAN
4035#endif
4036
a0d0e21e 4037#ifndef __cplusplus
8f1f23e8 4038# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 4039char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 4040# else
fd8cd3a3 4041# if !defined(WIN32) && !defined(VMS)
10bc17b6 4042#ifndef crypt
20ce7b12 4043char *crypt (const char*, const char*);
10bc17b6 4044#endif
5014db98 4045# endif /* !WIN32 */
8f1f23e8 4046# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 4047# ifndef DONT_DECLARE_STD
4048# ifndef getenv
20ce7b12 4049char *getenv (const char*);
26618a56 4050# endif /* !getenv */
28ca6303 4051# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 4052# ifdef _FILE_OFFSET_BITS
28ca6303 4053# if _FILE_OFFSET_BITS == 64
20ce7b12 4054Off_t lseek (int,Off_t,int);
0fc67700
JH		 4055# endif
4056# endif
bf0c440f 4057# endif
26618a56 4058# endif /* !DONT_DECLARE_STD */
10bc17b6 4059#ifndef getlogin
20ce7b12 4060char *getlogin (void);
10bc17b6 4061#endif
26618a56 4062#endif /* !__cplusplus */
79072805 4063
7a7fd8e0
JM		 4064/* Fixme on VMS. This needs to be a run-time, not build time options */
4065/* Also rename() is affected by this */
16d20bd9 4066#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 4067#define UNLINK unlnk
083639a9 4068I32 unlnk (pTHX_ const char*);
8d063cd8 4069#else
80252599 4070#define UNLINK PerlLIO_unlink
8d063cd8 4071#endif
a687059c 4072
fa0a29af
JH		 4073/* some versions of glibc are missing the setresuid() proto */
4074#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 4075int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4076#endif
fa0a29af
JH		 4077/* some versions of glibc are missing the setresgid() proto */
4078#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 4079int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4080#endif
4081
fe14fcc3 4082#ifndef HAS_SETREUID
85e6fe83
LW		 4083# ifdef HAS_SETRESUID
4084# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4085# define HAS_SETREUID
4086# endif
a687059c 4087#endif
fe14fcc3 4088#ifndef HAS_SETREGID
85e6fe83
LW		 4089# ifdef HAS_SETRESGID
4090# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4091# define HAS_SETREGID
4092# endif
a687059c 4093#endif
ee0007ab 4094
d543acb6 4095/* Sighandler_t defined in iperlsys.h */
ff68c719 4096
4097#ifdef HAS_SIGACTION
4098typedef struct sigaction Sigsave_t;
4099#else
4100typedef Sighandler_t Sigsave_t;
4101#endif
4102
ee0007ab
LW		 4103#define SCAN_DEF 0
4104#define SCAN_TR 1
4105#define SCAN_REPL 2
79072805
LW		 4106
4107#ifdef DEBUGGING
4633a7c4 4108# ifndef register
a0d0e21e
LW		 4109# define register
4110# endif
cea2e8a9 4111# define RUNOPS_DEFAULT Perl_runops_debug
79072805 4112#else
cea2e8a9 4113# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 4114#endif
4115
6cb8cb21 4116#ifdef USE_PERLIO
0934c9d9 4117EXTERN_C void PerlIO_teardown(void);
2f44961c 4118# ifdef USE_ITHREADS
6cb8cb21
RGS		 4119# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4120# define PERLIO_TERM \
4121 STMT_START { \
d0820ef1 4122 PerlIO_teardown(); \
6cb8cb21
RGS		 4123 MUTEX_DESTROY(&PL_perlio_mutex);\
4124 } STMT_END
4125# else
4126# define PERLIO_INIT
d0820ef1 4127# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 4128# endif
6b29934b
NC		 4129#else
4130# define PERLIO_INIT
4131# define PERLIO_TERM
6cb8cb21
RGS		 4132#endif
4133
18f739ee 4134#ifdef MYMALLOC
772fe5b3 4135# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 4136# define MALLOC_INIT \
4137 STMT_START { \
4138 PL_malloc_mutex = NULL; \
4139 MUTEX_INIT(&PL_malloc_mutex); \
4140 } STMT_END
4141# define MALLOC_TERM \
4142 STMT_START { \
4143 perl_mutex tmp = PL_malloc_mutex; \
4144 PL_malloc_mutex = NULL; \
4145 MUTEX_DESTROY(&tmp); \
4146 } STMT_END
4147# else
4148# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4149# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4150# endif
18f739ee
IZ		 4151#else
4152# define MALLOC_INIT
4153# define MALLOC_TERM
4154#endif
4155
cd1541b2 4156#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 4157
4158struct perl_memory_debug_header;
cd1541b2
NC		 4159struct perl_memory_debug_header {
4160 tTHX interpreter;
4161# ifdef PERL_POISON
4162 MEM_SIZE size;
cd1541b2 4163# endif
7cb608b5
NC		 4164 struct perl_memory_debug_header *prev;
4165 struct perl_memory_debug_header *next;
cd1541b2
NC		 4166};
4167
4168# define sTHX (sizeof(struct perl_memory_debug_header) + \
4169 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4170 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4171
d8fca402
NC		 4172#else
4173# define sTHX 0
cd1541b2
NC		 4174#endif
4175
7cb608b5
NC		 4176#ifdef PERL_TRACK_MEMPOOL
4177# define INIT_TRACK_MEMPOOL(header, interp) \
4178 STMT_START { \
4179 (header).interpreter = (interp); \
4180 (header).prev = (header).next = &(header); \
4181 } STMT_END
4182# else
4183# define INIT_TRACK_MEMPOOL(header, interp)
4184#endif
4185
1cd66f7c
DD		 4186#ifdef I_MALLOCMALLOC
4187/* Needed for malloc_size(), malloc_good_size() on some systems */
4188# include <malloc/malloc.h>
4189#endif
4190
ca7c1a29
NC		 4191#ifdef MYMALLOC
4192# define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
cfe52898 4193#else
e82be400
NC		 4194# ifdef HAS_MALLOC_SIZE
4195# ifdef PERL_TRACK_MEMPOOL
cfe52898
RGS		 4196# define Perl_safesysmalloc_size(where) \
4197 (malloc_size(((char *)(where)) - sTHX) - sTHX)
e82be400
NC		 4198# else
4199# define Perl_safesysmalloc_size(where) malloc_size(where)
4200# endif
4201# endif
4202# ifdef HAS_MALLOC_GOOD_SIZE
4203# ifdef PERL_TRACK_MEMPOOL
d8fca402
NC		 4204# define Perl_malloc_good_size(how_much) \
4205 (malloc_good_size((how_much) + sTHX) - sTHX)
e82be400
NC		 4206# else
4207# define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4208# endif
4209# else
d8fca402
NC		 4210/* Having this as the identity operation makes some code simpler. */
4211# define Perl_malloc_good_size(how_much) (how_much)
e82be400 4212# endif
ca7c1a29 4213#endif
b6d9d515 4214
16c91539
BM		 4215typedef int (*runops_proc_t)(pTHX);
4216typedef void (*share_proc_t) (pTHX_ SV *sv);
4217typedef int (*thrhook_proc_t) (pTHX);
4218typedef OP* (*PPADDR_t[]) (pTHX);
4219typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4220typedef void (*despatch_signals_proc_t) (pTHX);
22c35a8c 4221
8f1f23e8
W		 4222/* NeXT has problems with crt0.o globals */
4223#if defined(__DYNAMIC__) && \
6239f2da 4224 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 4225# if defined(NeXT) || defined(__NeXT)
4226# include <mach-o/dyld.h>
4227# define environ (*environ_pointer)
0c30d9ec 4228EXT char *** environ_pointer;
8f1f23e8 4229# else
6239f2da 4230# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 4231# include <crt_externs.h> /* for the env array */
4232# define environ (*_NSGetEnviron())
4233# endif
0c30d9ec 4234# endif
8f1f23e8
W		 4235#else
4236 /* VMS and some other platforms don't use the environ array */
13b6e58c 4237# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 4238# if !defined(DONT_DECLARE_STD) || \
4239 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
4240 defined(__sgi) || \
d460ef45 4241 defined(__DGUX)
8f1f23e8 4242extern char ** environ; /* environment variables supplied via exec */
a6c40364 4243# endif
8f1f23e8
W		 4244# endif
4245#endif
79072805 4246
73c4f7a1
GS		 4247START_EXTERN_C
4248
79072805 4249/* handy constants */
22c35a8c 4250EXTCONST char PL_warn_uninit[]
29489e7c 4251 INIT("Use of uninitialized value%s%s%s");
22c35a8c 4252EXTCONST char PL_warn_nosemi[]
463ee0b2 4253 INIT("Semicolon seems to be missing");
22c35a8c 4254EXTCONST char PL_warn_reserved[]
463ee0b2 4255 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4256EXTCONST char PL_warn_nl[]
93a17b20 4257 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4258EXTCONST char PL_no_wrongref[]
a0d0e21e 4259 INIT("Can't use %s ref as %s ref");
def89bff
NC		 4260/* The core no longer needs these here. If you require the string constant,
4261 please inline a copy into your own code. */
973a7615
NC		 4262EXTCONST char PL_no_symref[] __attribute__deprecated__
4263 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
def89bff
NC		 4264EXTCONST char PL_no_symref_sv[] __attribute__deprecated__
4265 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 4266EXTCONST char PL_no_usym[]
8990e307 4267 INIT("Can't use an undefined value as %s reference");
22c35a8c 4268EXTCONST char PL_no_aelem[]
93a17b20 4269 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4270EXTCONST char PL_no_helem_sv[]
d04ff51e 4271 INIT("Modification of non-creatable hash value attempted, subscript \"%"SVf"\"");
22c35a8c 4272EXTCONST char PL_no_modify[]
93a17b20 4273 INIT("Modification of a read-only value attempted");
22c35a8c 4274EXTCONST char PL_no_mem[]
93a17b20 4275 INIT("Out of memory!\n");
22c35a8c 4276EXTCONST char PL_no_security[]
463ee0b2 4277 INIT("Insecure dependency in %s%s");
22c35a8c 4278EXTCONST char PL_no_sock_func[]
93a17b20 4279 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4280EXTCONST char PL_no_dir_func[]
93a17b20 4281 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4282EXTCONST char PL_no_func[]
93a17b20 4283 INIT("The %s function is unimplemented");
22c35a8c 4284EXTCONST char PL_no_myglob[]
952306ac 4285 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 4286EXTCONST char PL_no_localize_ref[]
4287 INIT("Can't localize through a reference");
27d5b266
JH		 4288EXTCONST char PL_memory_wrap[]
4289 INIT("panic: memory wrap");
93a17b20 4290
618b9757
NC		 4291#ifdef CSH
4292EXTCONST char PL_cshname[]
4293 INIT(CSH);
4294# define PL_cshlen (sizeof(CSH "") - 1)
4295#endif
4296
7575fa06 4297EXTCONST char PL_uuemap[65]
80252599
GS		 4298 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4299
79072805 4300#ifdef DOINIT
9444d213
NC		 4301EXTCONST char PL_uudmap[256] =
4302#include "uudmap.h"
4303;
efa50c51 4304EXTCONST char PL_bitcount[256] =
efa50c51
NC		 4305# include "bitcount.h"
4306;
27da23d5
JH		 4307EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4308EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4309#else
9444d213 4310EXTCONST char PL_uudmap[256];
efa50c51 4311EXTCONST char PL_bitcount[256];
27da23d5
JH		 4312EXTCONST char* const PL_sig_name[];
4313EXTCONST int PL_sig_num[];
79072805
LW		 4314#endif
4315
6d8e7a01
KW		 4316/* fast conversion and case folding tables. The folding tables complement the
4317 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4318 * folds such as outside the range or to multiple characters. */
bbce6d69 4319
79072805 4320#ifdef DOINIT
d02f4dad
KW		 4321#ifndef EBCDIC
4322
4323/* The EBCDIC fold table depends on the code page, and hence is found in
4324 * utfebcdic.h */
4325
22c35a8c 4326EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4327 0, 1, 2, 3, 4, 5, 6, 7,
4328 8, 9, 10, 11, 12, 13, 14, 15,
4329 16, 17, 18, 19, 20, 21, 22, 23,
4330 24, 25, 26, 27, 28, 29, 30, 31,
4331 32, 33, 34, 35, 36, 37, 38, 39,
4332 40, 41, 42, 43, 44, 45, 46, 47,
4333 48, 49, 50, 51, 52, 53, 54, 55,
4334 56, 57, 58, 59, 60, 61, 62, 63,
4335 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4336 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4337 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4338 'x', 'y', 'z', 91, 92, 93, 94, 95,
4339 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4340 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4341 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4342 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4343 128, 129, 130, 131, 132, 133, 134, 135,
4344 136, 137, 138, 139, 140, 141, 142, 143,
4345 144, 145, 146, 147, 148, 149, 150, 151,
4346 152, 153, 154, 155, 156, 157, 158, 159,
4347 160, 161, 162, 163, 164, 165, 166, 167,
4348 168, 169, 170, 171, 172, 173, 174, 175,
4349 176, 177, 178, 179, 180, 181, 182, 183,
4350 184, 185, 186, 187, 188, 189, 190, 191,
4351 192, 193, 194, 195, 196, 197, 198, 199,
4352 200, 201, 202, 203, 204, 205, 206, 207,
4353 208, 209, 210, 211, 212, 213, 214, 215,
4354 216, 217, 218, 219, 220, 221, 222, 223,
4355 224, 225, 226, 227, 228, 229, 230, 231,
4356 232, 233, 234, 235, 236, 237, 238, 239,
4357 240, 241, 242, 243, 244, 245, 246, 247,
4358 248, 249, 250, 251, 252, 253, 254, 255
4359};
3871f40b
KW		 4360EXTCONST unsigned char PL_fold_latin1[] = {
4361 /* Full latin1 complement folding, except for three problematic code points:
4362 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4363 * fold complements outside the Latin1 range, so can't match something
4364 * that isn't in utf8.
4365 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4366 * not one, so can't be represented in this table.
4367 *
4368 * All have to be specially handled */
4369 0, 1, 2, 3, 4, 5, 6, 7,
4370 8, 9, 10, 11, 12, 13, 14, 15,
4371 16, 17, 18, 19, 20, 21, 22, 23,
4372 24, 25, 26, 27, 28, 29, 30, 31,
4373 32, 33, 34, 35, 36, 37, 38, 39,
4374 40, 41, 42, 43, 44, 45, 46, 47,
4375 48, 49, 50, 51, 52, 53, 54, 55,
4376 56, 57, 58, 59, 60, 61, 62, 63,
4377 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4378 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4379 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4380 'x', 'y', 'z', 91, 92, 93, 94, 95,
4381 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4382 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4383 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4384 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4385 128, 129, 130, 131, 132, 133, 134, 135,
4386 136, 137, 138, 139, 140, 141, 142, 143,
4387 144, 145, 146, 147, 148, 149, 150, 151,
4388 152, 153, 154, 155, 156, 157, 158, 159,
4389 160, 161, 162, 163, 164, 165, 166, 167,
4390 168, 169, 170, 171, 172, 173, 174, 175,
4391 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4392 184, 185, 186, 187, 188, 189, 190, 191,
4393 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4394 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4395 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4396 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4397 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4398 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4399 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4400 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4401 255 /* y with diaeresis */
4402};
00f254e2
KW		 4403#endif /* !EBCDIC, but still in DOINIT */
4404
4405/* If these tables are accessed through ebcdic, the access will be converted to
4406 * latin1 first */
4407EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4408 0, 1, 2, 3, 4, 5, 6, 7,
4409 8, 9, 10, 11, 12, 13, 14, 15,
4410 16, 17, 18, 19, 20, 21, 22, 23,
4411 24, 25, 26, 27, 28, 29, 30, 31,
4412 32, 33, 34, 35, 36, 37, 38, 39,
4413 40, 41, 42, 43, 44, 45, 46, 47,
4414 48, 49, 50, 51, 52, 53, 54, 55,
4415 56, 57, 58, 59, 60, 61, 62, 63,
4416 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4417 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4418 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4419 'x', 'y', 'z', 91, 92, 93, 94, 95,
4420 96, 97, 98, 99, 100, 101, 102, 103,
4421 104, 105, 106, 107, 108, 109, 110, 111,
4422 112, 113, 114, 115, 116, 117, 118, 119,
4423 120, 121, 122, 123, 124, 125, 126, 127,
4424 128, 129, 130, 131, 132, 133, 134, 135,
4425 136, 137, 138, 139, 140, 141, 142, 143,
4426 144, 145, 146, 147, 148, 149, 150, 151,
4427 152, 153, 154, 155, 156, 157, 158, 159,
4428 160, 161, 162, 163, 164, 165, 166, 167,
4429 168, 169, 170, 171, 172, 173, 174, 175,
4430 176, 177, 178, 179, 180, 181, 182, 183,
4431 184, 185, 186, 187, 188, 189, 190, 191,
4432 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4433 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4434 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4435 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4436 224, 225, 226, 227, 228, 229, 230, 231,
4437 232, 233, 234, 235, 236, 237, 238, 239,
4438 240, 241, 242, 243, 244, 245, 246, 247,
4439 248, 249, 250, 251, 252, 253, 254, 255
4440};
4441
4442/* upper and title case of latin1 characters, modified so that the three tricky
4443 * ones are mapped to 255 (which is one of the three) */
4444EXTCONST unsigned char PL_mod_latin1_uc[] = {
4445 0, 1, 2, 3, 4, 5, 6, 7,
4446 8, 9, 10, 11, 12, 13, 14, 15,
4447 16, 17, 18, 19, 20, 21, 22, 23,
4448 24, 25, 26, 27, 28, 29, 30, 31,
4449 32, 33, 34, 35, 36, 37, 38, 39,
4450 40, 41, 42, 43, 44, 45, 46, 47,
4451 48, 49, 50, 51, 52, 53, 54, 55,
4452 56, 57, 58, 59, 60, 61, 62, 63,
4453 64, 65, 66, 67, 68, 69, 70, 71,
4454 72, 73, 74, 75, 76, 77, 78, 79,
4455 80, 81, 82, 83, 84, 85, 86, 87,
4456 88, 89, 90, 91, 92, 93, 94, 95,
4457 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4458 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4459 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4460 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4461 128, 129, 130, 131, 132, 133, 134, 135,
4462 136, 137, 138, 139, 140, 141, 142, 143,
4463 144, 145, 146, 147, 148, 149, 150, 151,
4464 152, 153, 154, 155, 156, 157, 158, 159,
4465 160, 161, 162, 163, 164, 165, 166, 167,
4466 168, 169, 170, 171, 172, 173, 174, 175,
4467 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4468 184, 185, 186, 187, 188, 189, 190, 191,
4469 192, 193, 194, 195, 196, 197, 198, 199,
4470 200, 201, 202, 203, 204, 205, 206, 207,
4471 208, 209, 210, 211, 212, 213, 214, 215,
4472 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/,
4473 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4474 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4475 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4476 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4477};
4478#else /* ! DOINIT */
22c35a8c 4479EXTCONST unsigned char PL_fold[];
3871f40b 4480EXTCONST unsigned char PL_fold_latin1[];
00f254e2
KW		 4481EXTCONST unsigned char PL_mod_latin1_uc[];
4482EXTCONST unsigned char PL_latin1_lc[];
79072805
LW		 4483#endif
4484
27da23d5 4485#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4486#ifdef DOINIT
27da23d5 4487EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4488 0, 1, 2, 3, 4, 5, 6, 7,
4489 8, 9, 10, 11, 12, 13, 14, 15,
4490 16, 17, 18, 19, 20, 21, 22, 23,
4491 24, 25, 26, 27, 28, 29, 30, 31,
4492 32, 33, 34, 35, 36, 37, 38, 39,
4493 40, 41, 42, 43, 44, 45, 46, 47,
4494 48, 49, 50, 51, 52, 53, 54, 55,
4495 56, 57, 58, 59, 60, 61, 62, 63,
4496 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4497 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4498 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4499 'x', 'y', 'z', 91, 92, 93, 94, 95,
4500 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4501 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4502 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4503 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4504 128, 129, 130, 131, 132, 133, 134, 135,
4505 136, 137, 138, 139, 140, 141, 142, 143,
4506 144, 145, 146, 147, 148, 149, 150, 151,
4507 152, 153, 154, 155, 156, 157, 158, 159,
4508 160, 161, 162, 163, 164, 165, 166, 167,
4509 168, 169, 170, 171, 172, 173, 174, 175,
4510 176, 177, 178, 179, 180, 181, 182, 183,
4511 184, 185, 186, 187, 188, 189, 190, 191,
4512 192, 193, 194, 195, 196, 197, 198, 199,
4513 200, 201, 202, 203, 204, 205, 206, 207,
4514 208, 209, 210, 211, 212, 213, 214, 215,
4515 216, 217, 218, 219, 220, 221, 222, 223,
4516 224, 225, 226, 227, 228, 229, 230, 231,
4517 232, 233, 234, 235, 236, 237, 238, 239,
4518 240, 241, 242, 243, 244, 245, 246, 247,
4519 248, 249, 250, 251, 252, 253, 254, 255
4520};
4521#else
27da23d5 4522EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4523#endif
27da23d5 4524#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4525
4526#ifdef DOINIT
9d116dd7 4527#ifdef EBCDIC
27da23d5 4528EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4529 1, 2, 84, 151, 154, 155, 156, 157,
4530 165, 246, 250, 3, 158, 7, 18, 29,
4531 40, 51, 62, 73, 85, 96, 107, 118,
4532 129, 140, 147, 148, 149, 150, 152, 153,
4533 255, 6, 8, 9, 10, 11, 12, 13,
4534 14, 15, 24, 25, 26, 27, 28, 226,
4535 29, 30, 31, 32, 33, 43, 44, 45,
4536 46, 47, 48, 49, 50, 76, 77, 78,
4537 79, 80, 81, 82, 83, 84, 85, 86,
4538 87, 94, 95, 234, 181, 233, 187, 190,
4539 180, 96, 97, 98, 99, 100, 101, 102,
4540 104, 112, 182, 174, 236, 232, 229, 103,
4541 228, 226, 114, 115, 116, 117, 118, 119,
4542 120, 121, 122, 235, 176, 230, 194, 162,
4543 130, 131, 132, 133, 134, 135, 136, 137,
4544 138, 139, 201, 205, 163, 217, 220, 224,
4545 5, 248, 227, 244, 242, 255, 241, 231,
4546 240, 253, 16, 197, 19, 20, 21, 187,
4547 23, 169, 210, 245, 237, 249, 247, 239,
4548 168, 252, 34, 196, 36, 37, 38, 39,
4549 41, 42, 251, 254, 238, 223, 221, 213,
4550 225, 177, 52, 53, 54, 55, 56, 57,
4551 58, 59, 60, 61, 63, 64, 65, 66,
4552 67, 68, 69, 70, 71, 72, 74, 75,
4553 205, 208, 186, 202, 200, 218, 198, 179,
4554 178, 214, 88, 89, 90, 91, 92, 93,
4555 217, 166, 170, 207, 199, 209, 206, 204,
4556 160, 212, 105, 106, 108, 109, 110, 111,
4557 203, 113, 216, 215, 192, 175, 193, 243,
4558 172, 161, 123, 124, 125, 126, 127, 128,
4559 222, 219, 211, 195, 188, 193, 185, 184,
4560 191, 183, 141, 142, 143, 144, 145, 146
4561};
4562#else /* ascii rather than ebcdic */
22c35a8c 4563EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4564 1, 2, 84, 151, 154, 155, 156, 157,
4565 165, 246, 250, 3, 158, 7, 18, 29,
4566 40, 51, 62, 73, 85, 96, 107, 118,
4567 129, 140, 147, 148, 149, 150, 152, 153,
4568 255, 182, 224, 205, 174, 176, 180, 217,
4569 233, 232, 236, 187, 235, 228, 234, 226,
4570 222, 219, 211, 195, 188, 193, 185, 184,
4571 191, 183, 201, 229, 181, 220, 194, 162,
4572 163, 208, 186, 202, 200, 218, 198, 179,
4573 178, 214, 166, 170, 207, 199, 209, 206,
4574 204, 160, 212, 216, 215, 192, 175, 173,
4575 243, 172, 161, 190, 203, 189, 164, 230,
4576 167, 248, 227, 244, 242, 255, 241, 231,
4577 240, 253, 169, 210, 245, 237, 249, 247,
4578 239, 168, 252, 251, 254, 238, 223, 221,
4579 213, 225, 177, 197, 171, 196, 159, 4,
4580 5, 6, 8, 9, 10, 11, 12, 13,
4581 14, 15, 16, 17, 19, 20, 21, 22,
4582 23, 24, 25, 26, 27, 28, 30, 31,
4583 32, 33, 34, 35, 36, 37, 38, 39,
4584 41, 42, 43, 44, 45, 46, 47, 48,
4585 49, 50, 52, 53, 54, 55, 56, 57,
4586 58, 59, 60, 61, 63, 64, 65, 66,
4587 67, 68, 69, 70, 71, 72, 74, 75,
4588 76, 77, 78, 79, 80, 81, 82, 83,
4589 86, 87, 88, 89, 90, 91, 92, 93,
4590 94, 95, 97, 98, 99, 100, 101, 102,
4591 103, 104, 105, 106, 108, 109, 110, 111,
4592 112, 113, 114, 115, 116, 117, 119, 120,
4593 121, 122, 123, 124, 125, 126, 127, 128,
4594 130, 131, 132, 133, 134, 135, 136, 137,
4595 138, 139, 141, 142, 143, 144, 145, 146
4596};
9d116dd7 4597#endif
79072805 4598#else
22c35a8c 4599EXTCONST unsigned char PL_freq[];
79072805
LW		 4600#endif
4601
8990e307
LW		 4602#ifdef DEBUGGING
4603#ifdef DOINIT
27da23d5 4604EXTCONST char* const PL_block_type[] = {
8990e307 4605 "NULL",
d01136d6 4606 "WHEN",
8990e307 4607 "BLOCK",
0d863452 4608 "GIVEN",
d01136d6
BS		 4609 "LOOP_FOR",
4610 "LOOP_PLAIN",
4611 "LOOP_LAZYSV",
4612 "LOOP_LAZYIV",
76753e7f
NC		 4613 "SUB",
4614 "FORMAT",
4615 "EVAL",
4616 "SUBST"
8990e307
LW		 4617};
4618#else
22c35a8c 4619EXTCONST char* PL_block_type[];
8990e307
LW		 4620#endif
4621#endif
4622
b75885fd
NC		 4623/* These are all the compile time options that affect binary compatibility.
4624 Other compile time options that are binary compatible are in perl.c
4625 Both are combined for the output of perl -V
4626 However, this string will be embedded in any shared perl library, which will
4627 allow us add a comparison check in perlmain.c in the near future. */
4628#ifdef DOINIT
4629EXTCONST char PL_bincompat_options[] =
4630# ifdef DEBUG_LEAKING_SCALARS
4631 " DEBUG_LEAKING_SCALARS"
4632# endif
4633# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4634 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4635# endif
4636# ifdef FAKE_THREADS
4637 " FAKE_THREADS"
4638# endif
4639# ifdef MULTIPLICITY
4640 " MULTIPLICITY"
4641# endif
4642# ifdef MYMALLOC
4643 " MYMALLOC"
4644# endif
4645# ifdef PERL_DEBUG_READONLY_OPS
4646 " PERL_DEBUG_READONLY_OPS"
4647# endif
4648# ifdef PERL_GLOBAL_STRUCT
4649 " PERL_GLOBAL_STRUCT"
4650# endif
4651# ifdef PERL_IMPLICIT_CONTEXT
4652 " PERL_IMPLICIT_CONTEXT"
4653# endif
4654# ifdef PERL_IMPLICIT_SYS
4655 " PERL_IMPLICIT_SYS"
4656# endif
4657# ifdef PERL_MAD
4658 " PERL_MAD"
4659# endif
4660# ifdef PERL_NEED_APPCTX
4661 " PERL_NEED_APPCTX"
4662# endif
4663# ifdef PERL_NEED_TIMESBASE
4664 " PERL_NEED_TIMESBASE"
4665# endif
4666# ifdef PERL_OLD_COPY_ON_WRITE
4667 " PERL_OLD_COPY_ON_WRITE"
4668# endif
4669# ifdef PERL_POISON
4670 " PERL_POISON"
4671# endif
4672# ifdef PERL_TRACK_MEMPOOL
4673 " PERL_TRACK_MEMPOOL"
4674# endif
4675# ifdef PERL_USES_PL_PIDSTATUS
4676 " PERL_USES_PL_PIDSTATUS"
4677# endif
4678# ifdef PL_OP_SLAB_ALLOC
4679 " PL_OP_SLAB_ALLOC"
4680# endif
4681# ifdef THREADS_HAVE_PIDS
4682 " THREADS_HAVE_PIDS"
4683# endif
4684# ifdef USE_64_BIT_ALL
4685 " USE_64_BIT_ALL"
4686# endif
4687# ifdef USE_64_BIT_INT
4688 " USE_64_BIT_INT"
4689# endif
c7b392fa
NC		 4690# ifdef USE_IEEE
4691 " USE_IEEE"
4692# endif
b75885fd
NC		 4693# ifdef USE_ITHREADS
4694 " USE_ITHREADS"
4695# endif
4696# ifdef USE_LARGE_FILES
4697 " USE_LARGE_FILES"
4698# endif
4699# ifdef USE_LONG_DOUBLE
4700 " USE_LONG_DOUBLE"
4701# endif
4702# ifdef USE_PERLIO
4703 " USE_PERLIO"
4704# endif
4705# ifdef USE_REENTRANT_API
4706 " USE_REENTRANT_API"
4707# endif
4708# ifdef USE_SFIO
4709 " USE_SFIO"
4710# endif
4711# ifdef USE_SOCKS
4712 " USE_SOCKS"
4713# endif
4f575702
CB		 4714# ifdef VMS_DO_SOCKETS
4715 " VMS_DO_SOCKETS"
4716# ifdef DECCRTL_SOCKETS
4717 " DECCRTL_SOCKETS"
4718# endif
4719# endif
4720# ifdef VMS_WE_ARE_CASE_SENSITIVE
4721 " VMS_SYMBOL_CASE_AS_IS"
4722# endif
e8b231c6
CB		 4723# ifdef VMS_SHORTEN_LONG_SYMBOLS
4724 " VMS_SHORTEN_LONG_SYMBOLS"
4725# endif
a68dd89e 4726 "";
b75885fd
NC		 4727#else
4728EXTCONST char PL_bincompat_options[];
4729#endif
4730
9ebf26ad
FR		 4731/* The interpreter phases. If these ever change, PL_phase_names right below will
4732 * need to be updated accordingly. */
4733enum perl_phase {
4734 PERL_PHASE_CONSTRUCT = 0,
4735 PERL_PHASE_START = 1,
4736 PERL_PHASE_CHECK = 2,
4737 PERL_PHASE_INIT = 3,
4738 PERL_PHASE_RUN = 4,
4739 PERL_PHASE_END = 5,
4740 PERL_PHASE_DESTRUCT = 6
4741};
4742
4743#ifdef DOINIT
4744EXTCONST char *const PL_phase_names[] = {
4745 "CONSTRUCT",
4746 "START",
4747 "CHECK",
4748 "INIT",
4749 "RUN",
4750 "END",
4751 "DESTRUCT"
4752};
4753#else
4754EXTCONST char *const PL_phase_names[];
4755#endif
4756
627364f1
FR		 4757#ifndef PERL_CORE
4758/* Do not use this macro. It only exists for extensions that rely on PL_dirty
4759 * instead of using the newer PL_phase, which provides everything PL_dirty
4760 * provided, and more. */
4761# define PL_dirty (PL_phase == PERL_PHASE_DESTRUCT)
4762#endif /* !PERL_CORE */
4763
73c4f7a1
GS		 4764END_EXTERN_C
4765
79072805
LW		 4766/*****************************************************************************/
4767/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4768/*****************************************************************************/
8990e307 4769/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4770
d4c3c482 4771#ifdef __Lynx__
9cffb111
OS		 4772/* LynxOS defines these in scsi.h which is included via ioctl.h */
4773#ifdef FORMAT
4774#undef FORMAT
4775#endif
4776#ifdef SPACE
4777#undef SPACE
4778#endif
d4c3c482 4779#endif
9cffb111 4780
fb73857a 4781#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4782
79072805
LW		 4783typedef enum {
4784 XOPERATOR,
4785 XTERM,
79072805 4786 XREF,
8990e307 4787 XSTATE,
a0d0e21e 4788 XBLOCK,
09bef843
SB		 4789 XATTRBLOCK,
4790 XATTRTERM,
6f33ba73
RGS		 4791 XTERMBLOCK,
4792 XTERMORDORDOR /* evil hack */
27308ded 4793 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4794} expectation;
4795
dc9e4912
GS		 4796enum { /* pass one of these to get_vtbl */
4797 want_vtbl_sv,
4798 want_vtbl_env,
4799 want_vtbl_envelem,
4800 want_vtbl_sig,
4801 want_vtbl_sigelem,
4802 want_vtbl_pack,
4803 want_vtbl_packelem,
4804 want_vtbl_dbline,
4805 want_vtbl_isa,
4806 want_vtbl_isaelem,
4807 want_vtbl_arylen,
4808 want_vtbl_glob,
4809 want_vtbl_mglob,
4810 want_vtbl_nkeys,
4811 want_vtbl_taint,
4812 want_vtbl_substr,
4813 want_vtbl_vec,
4814 want_vtbl_pos,
4815 want_vtbl_bm,
4816 want_vtbl_fm,
4817 want_vtbl_uvar,
4818 want_vtbl_defelem,
4819 want_vtbl_regexp,
4820 want_vtbl_collxfrm,
4821 want_vtbl_amagic,
4822 want_vtbl_amagicelem,
dc9e4912 4823 want_vtbl_regdata,
810b8aa5 4824 want_vtbl_regdatum,
7e8c5dac 4825 want_vtbl_backref,
8d2f4536 4826 want_vtbl_utf8,
83bf042f 4827 want_vtbl_symtab,
b3ca2e83 4828 want_vtbl_arylen_p,
f747ebd6
Z		 4829 want_vtbl_hintselem,
4830 want_vtbl_hints
dc9e4912
GS		 4831};
4832
d5ec2987
NC		 4833
4834/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4835 special and there is no need for HINT_PRIVATE_MASK for COPs
4836 However, bitops store HINT_INTEGER in their op_private. */
9cfe5470
RGS		 4837#define HINT_INTEGER 0x00000001 /* integer pragma */
4838#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4839#define HINT_LOCALE 0x00000004 /* locale pragma */
4840#define HINT_BYTES 0x00000008 /* bytes pragma */
7b0bddfa 4841#define HINT_ARYBASE 0x00000010 /* $[ is non-zero */
a0ed51b3 4842 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 4843 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 4844
4845#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4846#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4847#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
1863b879 4848#define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */
85e6fe83 4849
9cfe5470 4850/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4851#define HINT_NEW_INTEGER 0x00001000
4852#define HINT_NEW_FLOAT 0x00002000
4853#define HINT_NEW_BINARY 0x00004000
4854#define HINT_NEW_STRING 0x00008000
4855#define HINT_NEW_RE 0x00010000
4856#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 4857#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4858#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 4859
9cfe5470
RGS		 4860#define HINT_RE_TAINT 0x00100000 /* re pragma */
4861#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4862
9cfe5470
RGS		 4863#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4864#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4865
e46c382e
YK		 4866#define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
4867
1e215989
FC		 4868#define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */
4869
0239f47c 4870/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4871#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4872#define HINT_SORT_QUICKSORT 0x00000001
4873#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4874#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4875
8bfdd7d9 4876/* Various states of the input record separator SV (rs) */
d4cce5f1 4877#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4878#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4879#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4880#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4881
128e8167 4882/* A struct for keeping various DEBUGGING related stuff,
ce333219 4883 * neatly packed. Currently only scratch variables for
128e8167
JH		 4884 * constructing debug output are included. Needed always,
4885 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4886struct perl_debug_pad {
4887 SV pad[3];
4888};
4889
4890#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4891#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4892 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4893 PERL_DEBUG_PAD(i))
ce333219 4894
56953603 4895/* Enable variables which are pointers to functions */
16c91539
BM		 4896typedef void (*peep_t)(pTHX_ OP* o);
4897typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm);
4898typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg,
0cb96387
GS		 4899 char* strend, char* strbeg, I32 minend,
4900 SV* screamer, void* data, U32 flags);
16c91539 4901typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv,
f722798b
IZ		 4902 char *strpos, char *strend,
4903 U32 flags,
9f61653a 4904 re_scream_pos_data *d);
16c91539
BM		 4905typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog);
4906typedef void (*regfree_t) (pTHX_ struct regexp* r);
4907typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param);
56953603 4908
c76ac1ee 4909typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc 4910typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
f30de749 4911typedef void (*SVFUNC_t) (pTHX_ SV* const);
31e9e0a3 4912typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
acfe0abc
GS		 4913typedef void (*XSINIT_t) (pTHX);
4914typedef void (*ATEXIT_t) (pTHX_ void*);
4915typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4916
22239a37
NIS		 4917/* Set up PERLVAR macros for populating structs */
4918#define PERLVAR(var,type) type var;
51371543 4919#define PERLVARA(var,n,type) type var[n];
22239a37 4920#define PERLVARI(var,type,init) type var;
3fe35a81 4921#define PERLVARIC(var,type,init) type var;
27da23d5
JH		 4922#define PERLVARISC(var,init) const char var[sizeof(init)];
4923
16c91539
BM		 4924typedef OP* (*Perl_ppaddr_t)(pTHX);
4925typedef OP* (*Perl_check_t) (pTHX_ OP*);
4926typedef void(*Perl_ophook_t)(pTHX_ OP*);
4927typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**);
1830b3d9 4928typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *);
88e1f1a2
JV		 4929
4930#define KEYWORD_PLUGIN_DECLINE 0
4931#define KEYWORD_PLUGIN_STMT 1
4932#define KEYWORD_PLUGIN_EXPR 2
22239a37 4933
58a50f62
GS		 4934/* Interpreter exitlist entry */
4935typedef struct exitlistentry {
acfe0abc 4936 void (*fn) (pTHX_ void*);
58a50f62
GS		 4937 void *ptr;
4938} PerlExitListEntry;
4939
aadb217d
JH		 4940/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4941/* These have to be before perlvars.h */
4942#if !defined(HAS_SIGACTION) && defined(VMS)
4943# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4944#endif
4945/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4946#if defined(KILL_BY_SIGPRC)
4947# define FAKE_DEFAULT_SIGNAL_HANDLERS
4948#endif
4949
ffee3ff6
NC		 4950#define PERL_PATCHLEVEL_H_IMPLICIT
4951#include "patchlevel.h"
4952#undef PERL_PATCHLEVEL_H_IMPLICIT
4953
d9421656
NC		 4954#define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4955 STRINGIFY(PERL_VERSION) "." \
4956 STRINGIFY(PERL_SUBVERSION)
4957
1e8125c6
FR		 4958#define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4959 STRINGIFY(PERL_API_VERSION) "." \
4960 STRINGIFY(PERL_API_SUBVERSION)
4961
22239a37
NIS		 4962#ifdef PERL_GLOBAL_STRUCT
4963struct perl_vars {
7766f137 4964# include "perlvars.h"
22239a37
NIS		 4965};
4966
7766f137 4967# ifdef PERL_CORE
27da23d5 4968# ifndef PERL_GLOBAL_STRUCT_PRIVATE
533c011a
NIS		 4969EXT struct perl_vars PL_Vars;
4970EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
27da23d5
JH		 4971# undef PERL_GET_VARS
4972# define PERL_GET_VARS() PL_VarsPtr
4973# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
7766f137
GS		 4974# else /* PERL_CORE */
4975# if !defined(__GNUC__) || !defined(WIN32)
22239a37 4976EXT
7766f137 4977# endif /* WIN32 */
533c011a 4978struct perl_vars *PL_VarsPtr;
7766f137
GS		 4979# define PL_Vars (*((PL_VarsPtr) \
4980 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
4981# endif /* PERL_CORE */
22239a37
NIS		 4982#endif /* PERL_GLOBAL_STRUCT */
4983
acfe0abc 4984#if defined(MULTIPLICITY)
d460ef45 4985/* If we have multiple interpreters define a struct
d4cce5f1 4986 holding variables which must be per-interpreter
d460ef45 4987 If we don't have threads anything that would have
d4cce5f1
NIS		 4988 be per-thread is per-interpreter.
4989*/
4990
79072805 4991struct interpreter {
7766f137 4992# include "intrpvar.h"
49f531da 4993};
d4cce5f1 4994
79072805 4995#else
49f531da
NIS		 4996struct interpreter {
4997 char broiled;
4998};
acfe0abc 4999#endif /* MULTIPLICITY */
79072805 5000
22239a37 5001/* Done with PERLVAR macros for now ... */
d4cce5f1 5002#undef PERLVAR
51371543 5003#undef PERLVARA
d4cce5f1 5004#undef PERLVARI
3fe35a81 5005#undef PERLVARIC
27da23d5 5006#undef PERLVARISC
79072805 5007
f7fe979e 5008struct tempsym; /* defined in pp_pack.c */
49704364 5009
22239a37 5010#include "thread.h"
79072805 5011#include "pp.h"
864dbfa3
GS		 5012
5013#ifndef PERL_CALLCONV
a0c21aa1
JH		 5014# ifdef __cplusplus
5015# define PERL_CALLCONV extern "C"
5016# else
5017# define PERL_CALLCONV
5018# endif
d460ef45 5019#endif
0cb96387
GS		 5020#undef PERL_CKDEF
5021#undef PERL_PPDEF
0159f81b
JH		 5022#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
5023#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 5024
158cfab6
JD		 5025#ifdef MYMALLOC
5026# include "malloc_ctl.h"
5027#endif
5028
7766f137 5029#include "proto.h"
864dbfa3 5030
0cb96387 5031/* this has structure inits, so it cannot be included before here */
acfe0abc 5032#include "opcode.h"
864dbfa3 5033
d4cce5f1
NIS		 5034/* The following must follow proto.h as #defines mess up syntax */
5035
22c35a8c
GS		 5036#if !defined(PERL_FOR_X2P)
5037# include "embedvar.h"
5038#endif
598921a7
NC		 5039#ifndef PERL_MAD
5040# undef PL_madskills
5041# undef PL_xmlfp
5042# define PL_madskills 0
5043# define PL_xmlfp 0
5044#endif
d4cce5f1 5045
d460ef45 5046/* Now include all the 'global' variables
d4cce5f1 5047 * If we don't have threads or multiple interpreters
d460ef45 5048 * these include variables that would have been their struct-s
d4cce5f1 5049 */
d460ef45 5050
533c011a 5051#define PERLVAR(var,type) EXT type PL_##var;
51371543 5052#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 5053#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
5054#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
27da23d5 5055#define PERLVARISC(var,init) EXTCONST char PL_##var[sizeof(init)] INIT(init);
d4cce5f1 5056
acfe0abc 5057#if !defined(MULTIPLICITY)
7766f137 5058START_EXTERN_C
066ef5b5 5059# include "intrpvar.h"
7766f137 5060END_EXTERN_C
22239a37
NIS		 5061#endif
5062
24792b8d
NC		 5063#ifdef PERL_CORE
5064/* All core uses now exterminated. Ensure no zombies can return: */
5065# undef PL_na
5066#endif
5067
acfe0abc 5068#if defined(WIN32)
66a93824 5069/* Now all the config stuff is setup we can include embed.h */
22c35a8c 5070# include "embed.h"
eb8433b7
NC		 5071# ifndef PERL_MAD
5072# undef op_getmad
b3f24c00 5073# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 5074# endif
acfe0abc 5075#endif
22239a37 5076
c5be433b
GS		 5077#ifndef PERL_GLOBAL_STRUCT
5078START_EXTERN_C
5079
5080# include "perlvars.h"
5081
5082END_EXTERN_C
5083#endif
5084
d4cce5f1 5085#undef PERLVAR
51371543 5086#undef PERLVARA
d4cce5f1 5087#undef PERLVARI
0f3f18a6 5088#undef PERLVARIC
79072805 5089
73c4f7a1
GS		 5090START_EXTERN_C
5091
bc028b6b
JH		 5092/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
5093 * magic vtables const, but this is incompatible with SWIG which
5094 * does want to modify the vtables. */
5095#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5096# define EXT_MGVTBL EXTCONST MGVTBL
5097#else
5098# define EXT_MGVTBL EXT MGVTBL
5099#endif
5100
79072805 5101#ifdef DOINIT
bc028b6b 5102# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var = {a,b,c,d,e,f,g,h}
2664ba31 5103/* Like MGVTBL_SET but with the get magic having a const MG* */
bc028b6b 5104# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var \
2664ba31 5105 = {(int (*)(pTHX_ SV *, MAGIC *))a,b,c,d,e,f,g,h}
4944113a 5106#else
bc028b6b
JH		 5107# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var
5108# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var
4944113a
AL		 5109#endif
5110
abdc98d4
NC		 5111/* These all need to be 0, not NULL, as NULL can be (void*)0, which is a
5112 * pointer to data, whereas we're assigning pointers to functions, which are
5113 * not the same beast. ANSI doesn't allow the assignment from one to the other.
5114 * (although most, but not all, compilers are prepared to do it)
5115 */
4a75fa1a
DM		 5116
5117/* args are:
5118 vtable
5119 get
5120 set
5121 len
5122 clear
5123 free
5124 copy
5125 dup
5126 local
5127*/
5128
4944113a
AL		 5129MGVTBL_SET(
5130 PL_vtbl_sv,
ef69c8fc
BM		 5131 Perl_magic_get,
5132 Perl_magic_set,
5133 Perl_magic_len,
abdc98d4
NC		 5134 0,
5135 0,
5136 0,
5137 0,
5138 0
4944113a
AL		 5139);
5140
5141MGVTBL_SET(
5142 PL_vtbl_env,
abdc98d4 5143 0,
ef69c8fc 5144 Perl_magic_set_all_env,
abdc98d4 5145 0,
ef69c8fc 5146 Perl_magic_clear_all_env,
abdc98d4
NC		 5147 0,
5148 0,
5149 0,
5150 0
4944113a
AL		 5151);
5152
5153MGVTBL_SET(
5154 PL_vtbl_envelem,
abdc98d4 5155 0,
ef69c8fc 5156 Perl_magic_setenv,
abdc98d4 5157 0,
ef69c8fc 5158 Perl_magic_clearenv,
abdc98d4
NC		 5159 0,
5160 0,
5161 0,
5162 0
4944113a
AL		 5163);
5164
5165MGVTBL_SET(
5166 PL_vtbl_sig,
abdc98d4
NC		 5167 0,
5168 0,
5169 0,
5170 0,
5171 0,
5172 0,
5173 0,
5174 0
4944113a
AL		 5175);
5176
9ba75e3c 5177#ifdef PERL_MICRO
4944113a
AL		 5178MGVTBL_SET(
5179 PL_vtbl_sigelem,
abdc98d4
NC		 5180 0,
5181 0,
5182 0,
5183 0,
5184 0,
5185 0,
5186 0,
5187 0
9ba75e3c
DD		 5188);
5189
64ca3a65 5190#else
9ba75e3c
DD		 5191MGVTBL_SET(
5192 PL_vtbl_sigelem,
ef69c8fc
BM		 5193 Perl_magic_getsig,
5194 Perl_magic_setsig,
abdc98d4 5195 0,
ef69c8fc 5196 Perl_magic_clearsig,
abdc98d4
NC		 5197 0,
5198 0,
5199 0,
5200 0
4944113a 5201);
9ba75e3c 5202#endif
4944113a
AL		 5203
5204MGVTBL_SET(
5205 PL_vtbl_pack,
abdc98d4
NC		 5206 0,
5207 0,
ef69c8fc
BM		 5208 Perl_magic_sizepack,
5209 Perl_magic_wipepack,
abdc98d4
NC		 5210 0,
5211 0,
5212 0,
5213 0
4944113a
AL		 5214);
5215
5216MGVTBL_SET(
5217 PL_vtbl_packelem,
ef69c8fc
BM		 5218 Perl_magic_getpack,
5219 Perl_magic_setpack,
abdc98d4 5220 0,
ef69c8fc 5221 Perl_magic_clearpack,
abdc98d4
NC		 5222 0,
5223 0,
5224 0,
5225 0
4944113a
AL		 5226);
5227
5228MGVTBL_SET(
5229 PL_vtbl_dbline,
abdc98d4 5230 0,
ef69c8fc 5231 Perl_magic_setdbline,
abdc98d4
NC		 5232 0,
5233 0,
5234 0,
5235 0,
5236 0,
5237 0
4944113a
AL		 5238);
5239
5240MGVTBL_SET(
5241 PL_vtbl_isa,
abdc98d4 5242 0,
ef69c8fc 5243 Perl_magic_setisa,
abdc98d4 5244 0,
ef69c8fc 5245 Perl_magic_clearisa,
0fa56319 5246 0,
abdc98d4
NC		 5247 0,
5248 0,
5249 0
4944113a
AL		 5250);
5251
5252MGVTBL_SET(
5253 PL_vtbl_isaelem,
abdc98d4 5254 0,
ef69c8fc 5255 Perl_magic_setisa,
abdc98d4
NC		 5256 0,
5257 0,
5258 0,
5259 0,
5260 0,
5261 0
4944113a
AL		 5262);
5263
2e2109e1 5264MGVTBL_SET_CONST_MAGIC_GET(
4944113a 5265 PL_vtbl_arylen,
ef69c8fc
BM		 5266 Perl_magic_getarylen,
5267 Perl_magic_setarylen,
abdc98d4
NC		 5268 0,
5269 0,
5270 0,
5271 0,
5272 0,
5273 0
4944113a
AL		 5274);
5275
5276MGVTBL_SET(
83bf042f 5277 PL_vtbl_arylen_p,
abdc98d4
NC		 5278 0,
5279 0,
5280 0,
5281 0,
ef69c8fc 5282 Perl_magic_freearylen_p,
abdc98d4
NC		 5283 0,
5284 0,
5285 0
83bf042f
NC		 5286);
5287
5288MGVTBL_SET(
4944113a 5289 PL_vtbl_mglob,
abdc98d4 5290 0,
ef69c8fc 5291 Perl_magic_setmglob,
abdc98d4
NC		 5292 0,
5293 0,
5294 0,
5295 0,
5296 0,
5297 0
4944113a
AL		 5298);
5299
5300MGVTBL_SET(
5301 PL_vtbl_nkeys,
ef69c8fc
BM		 5302 Perl_magic_getnkeys,
5303 Perl_magic_setnkeys,
abdc98d4
NC		 5304 0,
5305 0,
5306 0,
5307 0,
5308 0,
5309 0
4944113a
AL		 5310);
5311
5312MGVTBL_SET(
5313 PL_vtbl_taint,
ef69c8fc
BM		 5314 Perl_magic_gettaint,
5315 Perl_magic_settaint,
abdc98d4
NC		 5316 0,
5317 0,
5318 0,
5319 0,
5320 0,
5321 0
4944113a
AL		 5322);
5323
5324MGVTBL_SET(
5325 PL_vtbl_substr,
ef69c8fc
BM		 5326 Perl_magic_getsubstr,
5327 Perl_magic_setsubstr,
abdc98d4
NC		 5328 0,
5329 0,
5330 0,
5331 0,
5332 0,
5333 0
4944113a
AL		 5334);
5335
5336MGVTBL_SET(
5337 PL_vtbl_vec,
ef69c8fc
BM		 5338 Perl_magic_getvec,
5339 Perl_magic_setvec,
abdc98d4
NC		 5340 0,
5341 0,
5342 0,
5343 0,
5344 0,
5345 0
4944113a
AL		 5346);
5347
5348MGVTBL_SET(
5349 PL_vtbl_pos,
ef69c8fc
BM		 5350 Perl_magic_getpos,
5351 Perl_magic_setpos,
abdc98d4
NC		 5352 0,
5353 0,
5354 0,
5355 0,
5356 0,
5357 0
4944113a
AL		 5358);
5359
5360MGVTBL_SET(
5361 PL_vtbl_bm,
abdc98d4 5362 0,
ef69c8fc 5363 Perl_magic_setregexp,
abdc98d4
NC		 5364 0,
5365 0,
5366 0,
5367 0,
5368 0,
5369 0
4944113a
AL		 5370);
5371
5372MGVTBL_SET(
5373 PL_vtbl_fm,
abdc98d4 5374 0,
ef69c8fc 5375 Perl_magic_setregexp,
abdc98d4
NC		 5376 0,
5377 0,
5378 0,
5379 0,
5380 0,
5381 0
4944113a
AL		 5382);
5383
5384MGVTBL_SET(
5385 PL_vtbl_uvar,
ef69c8fc
BM		 5386 Perl_magic_getuvar,
5387 Perl_magic_setuvar,
abdc98d4
NC		 5388 0,
5389 0,
5390 0,
5391 0,
5392 0,
5393 0
4944113a
AL		 5394);
5395
5396MGVTBL_SET(
5397 PL_vtbl_defelem,
ef69c8fc
BM		 5398 Perl_magic_getdefelem,
5399 Perl_magic_setdefelem,
abdc98d4
NC		 5400 0,
5401 0,
5402 0,
5403 0,
5404 0,
5405 0
4944113a
AL		 5406);
5407
5408MGVTBL_SET(
5409 PL_vtbl_regexp,
abdc98d4 5410 0,
ef69c8fc 5411 Perl_magic_setregexp,
abdc98d4
NC		 5412 0,
5413 0,
288b8c02 5414 0,
abdc98d4
NC		 5415 0,
5416 0,
5417 0
4944113a
AL		 5418);
5419
5420MGVTBL_SET(
5421 PL_vtbl_regdata,
abdc98d4
NC		 5422 0,
5423 0,
ef69c8fc 5424 Perl_magic_regdata_cnt,
abdc98d4
NC		 5425 0,
5426 0,
5427 0,
5428 0,
5429 0
4944113a
AL		 5430);
5431
5432MGVTBL_SET(
5433 PL_vtbl_regdatum,
ef69c8fc
BM		 5434 Perl_magic_regdatum_get,
5435 Perl_magic_regdatum_set,
abdc98d4
NC		 5436 0,
5437 0,
5438 0,
5439 0,
5440 0,
5441 0
4944113a
AL		 5442);
5443
5444MGVTBL_SET(
5445 PL_vtbl_amagic,
abdc98d4 5446 0,
ef69c8fc 5447 Perl_magic_setamagic,
abdc98d4
NC		 5448 0,
5449 0,
ef69c8fc 5450 Perl_magic_setamagic,
abdc98d4
NC		 5451 0,
5452 0,
5453 0
4944113a
AL		 5454);
5455
5456MGVTBL_SET(
5457 PL_vtbl_amagicelem,
abdc98d4 5458 0,
ef69c8fc 5459 Perl_magic_setamagic,
abdc98d4
NC		 5460 0,
5461 0,
ef69c8fc 5462 Perl_magic_setamagic,
abdc98d4
NC		 5463 0,
5464 0,
5465 0
4944113a
AL		 5466);
5467
5468MGVTBL_SET(
5469 PL_vtbl_backref,
abdc98d4
NC		 5470 0,
5471 0,
5472 0,
5473 0,
ef69c8fc 5474 Perl_magic_killbackrefs,
abdc98d4
NC		 5475 0,
5476 0,
5477 0
4944113a
AL		 5478);
5479
5480MGVTBL_SET(
5481 PL_vtbl_ovrld,
abdc98d4
NC		 5482 0,
5483 0,
5484 0,
5485 0,
ef69c8fc 5486 Perl_magic_freeovrld,
abdc98d4
NC		 5487 0,
5488 0,
5489 0
4944113a
AL		 5490);
5491
5492MGVTBL_SET(
5493 PL_vtbl_utf8,
abdc98d4 5494 0,
ef69c8fc 5495 Perl_magic_setutf8,
abdc98d4
NC		 5496 0,
5497 0,
5498 0,
5499 0,
5500 0,
5501 0
4944113a 5502);
36477c24 5503#ifdef USE_LOCALE_COLLATE
4944113a
AL		 5504MGVTBL_SET(
5505 PL_vtbl_collxfrm,
abdc98d4 5506 0,
ef69c8fc 5507 Perl_magic_setcollxfrm,
abdc98d4
NC		 5508 0,
5509 0,
5510 0,
5511 0,
5512 0,
5513 0
4944113a 5514);
bbce6d69 5515#endif
a0d0e21e 5516
b3ca2e83
NC		 5517MGVTBL_SET(
5518 PL_vtbl_hintselem,
abdc98d4 5519 0,
ef69c8fc 5520 Perl_magic_sethint,
abdc98d4 5521 0,
ef69c8fc 5522 Perl_magic_clearhint,
abdc98d4
NC		 5523 0,
5524 0,
5525 0,
5526 0
b3ca2e83
NC		 5527);
5528
f747ebd6
Z		 5529MGVTBL_SET(
5530 PL_vtbl_hints,
5531 0,
5532 0,
5533 0,
ef69c8fc 5534 Perl_magic_clearhints,
f747ebd6
Z		 5535 0,
5536 0,
5537 0,
5538 0
5539);
5540
bab3dc31 5541#include "overload.h"
a0d0e21e 5542
73c4f7a1
GS		 5543END_EXTERN_C
5544
a6006777 5545struct am_table {
8175493d 5546 U32 flags;
eb160463 5547 U32 was_ok_sub;
a0d0e21e 5548 long was_ok_am;
a0d0e21e 5549 long fallback;
9bd87817 5550 CV* table[NofAMmeth];
a0d0e21e 5551};
a6006777 5552struct am_table_short {
8175493d 5553 U32 flags;
eb160463 5554 U32 was_ok_sub;
a6006777 5555 long was_ok_am;
a6006777 5556};
a0d0e21e 5557typedef struct am_table AMT;
a6006777 5558typedef struct am_table_short AMTS;
a0d0e21e
LW		 5559
5560#define AMGfallNEVER 1
5561#define AMGfallNO 2
5562#define AMGfallYES 3
5563
a6006777 5564#define AMTf_AMAGIC 1
32251b26 5565#define AMTf_OVERLOADED 2
a6006777 5566#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5567#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5568#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 5569#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
5570#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
5571#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 5572
32251b26 5573#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5574
5575/*
5576 * some compilers like to redefine cos et alia as faster
5577 * (and less accurate?) versions called F_cos et cetera (Quidquid
5578 * latine dictum sit, altum viditur.) This trick collides with
5579 * the Perl overloading (amg). The following #defines fool both.
5580 */
5581
5582#ifdef _FASTMATH
5583# ifdef atan2
5584# define F_atan2_amg atan2_amg
5585# endif
5586# ifdef cos
5587# define F_cos_amg cos_amg
5588# endif
5589# ifdef exp
5590# define F_exp_amg exp_amg
5591# endif
5592# ifdef log
5593# define F_log_amg log_amg
5594# endif
5595# ifdef pow
5596# define F_pow_amg pow_amg
5597# endif
5598# ifdef sin
5599# define F_sin_amg sin_amg
5600# endif
5601# ifdef sqrt
5602# define F_sqrt_amg sqrt_amg
5603# endif
5604#endif /* _FASTMATH */
5605
83ee9e09
GS		 5606#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5607 PERLDBf_NOOPT | PERLDBf_INTER | \
5608 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
b8fcbefe
NC		 5609 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5610 PERLDBf_SAVESRC)
925cfbb8 5611 /* No _NONAME, _GOTO */
83ee9e09
GS		 5612#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5613#define PERLDBf_LINE 0x02 /* Keep line # */
5614#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5615#define PERLDBf_INTER 0x08 /* Preserve more data for
5616 later inspections */
5617#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5618#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5619#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5620#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5621#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5622#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
b8fcbefe 5623#define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
c30d8139
NC		 5624#define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subrouties */
5625#define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
84902520 5626
3280af22
NIS		 5627#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5628#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5629#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5630#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5631#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5632#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5633#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5634#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5635#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5636#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
b8fcbefe 5637#define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC))
c30d8139
NC		 5638#define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS))
5639#define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID))
bbce6d69 5640
36477c24 5641#ifdef USE_LOCALE_NUMERIC
bbce6d69 5642
36477c24 5643#define SET_NUMERIC_STANDARD() \
ff4fed7c 5644 set_numeric_standard();
36477c24 5645
5646#define SET_NUMERIC_LOCAL() \
ff4fed7c 5647 set_numeric_local();
bbce6d69 5648
a98fe34d 5649#define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE)
2de3dbcc
JH		 5650#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
5651
5652#define IN_LOCALE \
923e4eb5 5653 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
2de3dbcc 5654
f93f4e46 5655#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 5656 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 5657 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 5658
5659#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 5660 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 5661 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 5662
5663#define RESTORE_NUMERIC_LOCAL() \
5664 if (was_local) SET_NUMERIC_LOCAL();
5665
5666#define RESTORE_NUMERIC_STANDARD() \
5667 if (was_standard) SET_NUMERIC_STANDARD();
5668
5b877257 5669#define Atof my_atof
097ee67d 5670
36477c24 5671#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5672
097ee67d
JH		 5673#define SET_NUMERIC_STANDARD() /**/
5674#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5675#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5676#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5677#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 5678#define RESTORE_NUMERIC_LOCAL() /**/
5679#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 5680#define Atof my_atof
ad3e0f90 5681#define IN_LOCALE_RUNTIME 0
bbce6d69 5682
36477c24 5683#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5684
079290de 5685#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5686# ifdef __hpux
5687# define strtoll __strtoll /* secret handshake */
5688# endif
c623ac67
GS		 5689# ifdef WIN64
5690# define strtoll _strtoi64 /* secret handshake */
5691# endif
079290de
GS		 5692# if !defined(Strtol) && defined(HAS_STRTOLL)
5693# define Strtol strtoll
ad551343 5694# endif
28e5dec8
JH		 5695# if !defined(Strtol) && defined(HAS_STRTOQ)
5696# define Strtol strtoq
5697# endif
ff935051 5698/* is there atoq() anywhere? */
15b99d39 5699#endif
079290de
GS		 5700#if !defined(Strtol) && defined(HAS_STRTOL)
5701# define Strtol strtol
5702#endif
5703#ifndef Atol
5704/* It would be more fashionable to use Strtol() to define atol()
5705 * (as is done for Atoul(), see below) but for backward compatibility
5706 * we just assume atol(). */
76b882ba 5707# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 5708# ifdef WIN64
5709# define atoll _atoi64 /* secret handshake */
5710# endif
76b882ba
JH		 5711# define Atol atoll
5712# else
5713# define Atol atol
5714# endif
cf2093f6
JH		 5715#endif
5716
55eb892c 5717#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5718# ifdef __hpux
5719# define strtoull __strtoull /* secret handshake */
5720# endif
c623ac67
GS		 5721# ifdef WIN64
5722# define strtoull _strtoui64 /* secret handshake */
5723# endif
ad551343 5724# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5725# define Strtoul strtoull
15b99d39 5726# endif
079290de
GS		 5727# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5728# define Strtoul strtouq
5729# endif
76d49b1c 5730/* is there atouq() anywhere? */
ad551343 5731#endif
079290de
GS		 5732#if !defined(Strtoul) && defined(HAS_STRTOUL)
5733# define Strtoul strtoul
cf2093f6 5734#endif
a5523c5b
JH		 5735#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5736# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5737#endif
079290de 5738#ifndef Atoul
d4c19fe8 5739# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5740#endif
cf2093f6 5741
760ac839 5742
06d86050
GS		 5743/* if these never got defined, they need defaults */
5744#ifndef PERL_SET_CONTEXT
5745# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5746#endif
5747
5748#ifndef PERL_GET_CONTEXT
5749# define PERL_GET_CONTEXT PERL_GET_INTERP
5750#endif
5751
5752#ifndef PERL_GET_THX
5753# define PERL_GET_THX ((void*)NULL)
5754#endif
5755
5756#ifndef PERL_SET_THX
5757# define PERL_SET_THX(t) NOOP
5758#endif
5759
a868473f
NIS		 5760#ifndef PERL_SCRIPT_MODE
5761#define PERL_SCRIPT_MODE "r"
5762#endif
5763
fba3b22e 5764/*
da927450
JH		 5765 * Some operating systems are stingy with stack allocation,
5766 * so perl may have to guard against stack overflow.
5767 */
5768#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5769#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5770#endif
5771
5772/*
5773 * Some nonpreemptive operating systems find it convenient to
5774 * check for asynchronous conditions after each op execution.
5775 * Keep this check simple, or it may slow down execution
5776 * massively.
5777 */
ce08f86c 5778
1d615522 5779#ifndef PERL_MICRO
4ffa73a3 5780# ifndef PERL_ASYNC_CHECK
16c91539 5781# define PERL_ASYNC_CHECK() if (PL_sig_pending) PL_signalhook(aTHX)
4ffa73a3 5782# endif
ce08f86c
NIS		 5783#endif
5784
da927450 5785#ifndef PERL_ASYNC_CHECK
1d615522 5786# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5787#endif
5788
5789/*
5790 * On some operating systems, a memory allocation may succeed,
5791 * but put the process too close to the system's comfort limit.
5792 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5793 * it to NULL.
5794 */
5795#ifndef PERL_ALLOC_CHECK
c2af87cb 5796#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5797#endif
5798
bd89102f
AD		 5799#ifdef HAS_SEM
5800# include <sys/ipc.h>
5801# include <sys/sem.h>
5802# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5803 union semun {
dbba660d
TC		 5804 int val;
5805 struct semid_ds *buf;
5806 unsigned short *array;
bd89102f
AD		 5807 };
5808# endif
5809# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5810# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5811 union gccbug_semun {
5812 int val;
5813 struct semid_ds *buf;
5814 unsigned short *array;
5815 char __dummy[5];
5816 };
5817# define semun gccbug_semun
5818# endif
bd89102f
AD		 5819# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5820# else
5821# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5822# ifdef EXTRA_F_IN_SEMUN_BUF
5823# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5824# else
5825# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5826# endif
bd89102f
AD		 5827# endif
5828# endif
bd89102f 5829#endif
49f531da 5830
89ca4ac7
JH		 5831/*
5832 * Boilerplate macros for initializing and accessing interpreter-local
5833 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 5834 * this, if you want to make the extension thread-safe. See
5835 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5836 * and perlxs.pod for more.
89ca4ac7
JH		 5837 *
5838 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5839 * 1. #define MY_CXT_KEY to a unique string, e.g.
5840 * "DynaLoader::_guts" XS_VERSION
f16dd614 5841 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5842 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5843 * all the data that needs to be interpreter-local.
5844 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5845 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5846 * (typically put in the BOOT: section).
5847 * 5. Use the members of the my_cxt_t structure everywhere as
5848 * MY_CXT.member.
5849 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5850 * access MY_CXT.
5851 */
5852
fc958cd2 5853#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 5854
4eddb856 5855/* START_MY_CXT must appear in all extensions that define a my_cxt_t structure,
53d44271
JH		 5856 * right after the definition (i.e. at file scope). The non-threads
5857 * case below uses it to declare the data as static. */
00ab59c9
DM		 5858# ifdef PERL_GLOBAL_STRUCT_PRIVATE
5859# define START_MY_CXT
5860# define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5861# define MY_CXT_INIT_ARG MY_CXT_KEY
5862# else
5863# define START_MY_CXT static int my_cxt_index = -1;
5864# define MY_CXT_INDEX my_cxt_index
5865# define MY_CXT_INIT_ARG &my_cxt_index
5866# endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
53d44271
JH		 5867
5868/* Creates and zeroes the per-interpreter data.
5869 * (We allocate my_cxtp in a Perl SV so that it will be released when
5870 * the interpreter goes away.) */
00ab59c9 5871# define MY_CXT_INIT \
53d44271 5872 my_cxt_t *my_cxtp = \
27cbf00a 5873 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t))
00ab59c9 5874# define MY_CXT_INIT_INTERP(my_perl) \
53d44271 5875 my_cxt_t *my_cxtp = \
27cbf00a 5876 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t))
53d44271
JH		 5877
5878/* This declaration should be used within all functions that use the
5879 * interpreter-local data. */
00ab59c9 5880# define dMY_CXT \
53d44271 5881 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
00ab59c9 5882# define dMY_CXT_INTERP(my_perl) \
53d44271
JH		 5883 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5884
5885/* Clones the per-interpreter data. */
00ab59c9 5886# define MY_CXT_CLONE \
53d44271
JH		 5887 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5888 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5889 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5890
53d44271 5891
89ca4ac7
JH		 5892/* This macro must be used to access members of the my_cxt_t structure.
5893 * e.g. MYCXT.some_data */
00ab59c9 5894# define MY_CXT (*my_cxtp)
89ca4ac7
JH		 5895
5896/* Judicious use of these macros can reduce the number of times dMY_CXT
5897 * is used. Use is similar to pTHX, aTHX etc. */
00ab59c9
DM		 5898# define pMY_CXT my_cxt_t *my_cxtp
5899# define pMY_CXT_ pMY_CXT,
5900# define _pMY_CXT ,pMY_CXT
5901# define aMY_CXT my_cxtp
5902# define aMY_CXT_ aMY_CXT,
5903# define _aMY_CXT ,aMY_CXT
89ca4ac7 5904
f16dd614 5905#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7 5906
00ab59c9
DM		 5907# define START_MY_CXT static my_cxt_t my_cxt;
5908# define dMY_CXT_SV dNOOP
5909# define dMY_CXT dNOOP
5910# define dMY_CXT_INTERP(my_perl) dNOOP
5911# define MY_CXT_INIT NOOP
5912# define MY_CXT_CLONE NOOP
5913# define MY_CXT my_cxt
5914
5915# define pMY_CXT void
5916# define pMY_CXT_
5917# define _pMY_CXT
5918# define aMY_CXT
5919# define aMY_CXT_
5920# define _aMY_CXT
89ca4ac7 5921
f16dd614 5922#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5923
9a34ef1d
GS		 5924#ifdef I_FCNTL
5925# include <fcntl.h>
9a34ef1d
GS		 5926#endif
5927
9cffb111
OS		 5928#ifdef __Lynx__
5929# include <fcntl.h>
5930#endif
5931
9a34ef1d
GS		 5932#ifdef I_SYS_FILE
5933# include <sys/file.h>
5934#endif
5935
fa0a29af 5936#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5937int flock(int fd, int op);
5938#endif
5939
fe52b3b7
GS		 5940#ifndef O_RDONLY
5941/* Assume UNIX defaults */
5942# define O_RDONLY 0000
5943# define O_WRONLY 0001
5944# define O_RDWR 0002
5945# define O_CREAT 0100
5946#endif
9a34ef1d 5947
16fe6d59
GS		 5948#ifndef O_BINARY
5949# define O_BINARY 0
5950#endif
5951
5952#ifndef O_TEXT
5953# define O_TEXT 0
5954#endif
5955
6ce75a77
JH		 5956#if O_TEXT != O_BINARY
5957 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5958 * that is, you are somehow DOSish. */
df00ff3b
IW		 5959# if defined(__BEOS__) || defined(__HAIKU__) || defined(__VOS__) || \
5960 defined(__CYGWIN__)
5961 /* BeOS/Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5962 * BeOS/Haiku is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5963 /* VOS has O_TEXT != O_BINARY, and they have effect,
5964 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5965 /* If you have O_TEXT different from your O_BINARY but you still are
5966 * not a CRLF shop. */
35990314 5967# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5968# else
5969 /* If you really are DOSish. */
5970# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5971# endif
5972#endif
5973
4bc88a62
PS		 5974#ifdef I_LIBUTIL
5975# include <libutil.h> /* setproctitle() in some FreeBSDs */
5976#endif
5977
b4748376 5978#ifndef EXEC_ARGV_CAST
360ea906 5979#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 5980#endif
5981
dd5dc04f
JH		 5982#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5983 int). value returned in pointed-
5984 to UV */
5985#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5986#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5987#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5988#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5989#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5990
5991#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5992
53305cf1
NC		 5993/* Input flags: */
5994#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5995#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5996#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 5997/* Output flags: */
5998#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5999
2c4f7f0e
DM		 6000/* to let user control profiling */
6001#ifdef PERL_GPROF_CONTROL
6002extern void moncontrol(int);
6003#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
6004#else
6005#define PERL_GPROF_MONCONTROL(x)
6006#endif
6007
ae0e3d3b
JH		 6008#ifdef UNDER_CE
6009#include "wince.h"
6010#endif
6011
6012/* ISO 6429 NEL - C1 control NExt Line */
6013/* See http://www.unicode.org/unicode/reports/tr13/ */
6014#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
6015# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
6016# define NEXT_LINE_CHAR 0x15
6017# else /* CDRA */
6018# define NEXT_LINE_CHAR 0x25
6019# endif
6020#else
6021# define NEXT_LINE_CHAR 0x85
6022#endif
6023
6024/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
6025#define UNICODE_LINE_SEPA_0 0xE2
6026#define UNICODE_LINE_SEPA_1 0x80
6027#define UNICODE_LINE_SEPA_2 0xA8
6028#define UNICODE_PARA_SEPA_0 0xE2
6029#define UNICODE_PARA_SEPA_1 0x80
6030#define UNICODE_PARA_SEPA_2 0xA9
6031
479b2847
GS		 6032#ifndef PIPESOCK_MODE
6033# define PIPESOCK_MODE
6034#endif
6035
460c8493
IZ		 6036#ifndef SOCKET_OPEN_MODE
6037# define SOCKET_OPEN_MODE PIPESOCK_MODE
6038#endif
6039
6040#ifndef PIPE_OPEN_MODE
6041# define PIPE_OPEN_MODE PIPESOCK_MODE
6042#endif
6043
7e8c5dac
HS		 6044#define PERL_MAGIC_UTF8_CACHESIZE 2
6045
a05d7ebb
JH		 6046#define PERL_UNICODE_STDIN_FLAG 0x0001
6047#define PERL_UNICODE_STDOUT_FLAG 0x0002
6048#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 6049#define PERL_UNICODE_IN_FLAG 0x0008
6050#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 6051#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 6052#define PERL_UNICODE_LOCALE_FLAG 0x0040
6053#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 6054#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 6055
06e66572
JH		 6056#define PERL_UNICODE_STD_FLAG \
6057 (PERL_UNICODE_STDIN_FLAG | \
6058 PERL_UNICODE_STDOUT_FLAG | \
6059 PERL_UNICODE_STDERR_FLAG)
6060
6061#define PERL_UNICODE_INOUT_FLAG \
6062 (PERL_UNICODE_IN_FLAG | \
6063 PERL_UNICODE_OUT_FLAG)
6064
6065#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 6066 (PERL_UNICODE_STD_FLAG | \
6067 PERL_UNICODE_INOUT_FLAG | \
6068 PERL_UNICODE_LOCALE_FLAG)
6069
5a22a2bb 6070#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 6071
6072#define PERL_UNICODE_STDIN 'I'
6073#define PERL_UNICODE_STDOUT 'O'
6074#define PERL_UNICODE_STDERR 'E'
6075#define PERL_UNICODE_STD 'S'
6076#define PERL_UNICODE_IN 'i'
6077#define PERL_UNICODE_OUT 'o'
6078#define PERL_UNICODE_INOUT 'D'
6079#define PERL_UNICODE_ARGV 'A'
6080#define PERL_UNICODE_LOCALE 'L'
6081#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 6082#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 6083
4ffa73a3
JH		 6084#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
6085
16bd9a85
JH		 6086/* From sigaction(2) (FreeBSD man page):
6087 * | Signal routines normally execute with the signal that
6088 * | caused their invocation blocked, but other signals may
6089 * | yet occur.
6090 * Emulation of this behavior (from within Perl) is enabled
6091 * by defining PERL_BLOCK_SIGNALS.
6092 */
6093#define PERL_BLOCK_SIGNALS
6094
6095#if defined(HAS_SIGPROCMASK) && defined(PERL_BLOCK_SIGNALS)
6096# define PERL_BLOCKSIG_ADD(set,sig) \
6097 sigset_t set; sigemptyset(&(set)); sigaddset(&(set), sig)
6098# define PERL_BLOCKSIG_BLOCK(set) \
6099 sigprocmask(SIG_BLOCK, &(set), NULL)
6100# define PERL_BLOCKSIG_UNBLOCK(set) \
6101 sigprocmask(SIG_UNBLOCK, &(set), NULL)
6102#endif /* HAS_SIGPROCMASK && PERL_BLOCK_SIGNALS */
6103
6104/* How about the old style of sigblock()? */
6105
6106#ifndef PERL_BLOCKSIG_ADD
6107# define PERL_BLOCKSIG_ADD(set, sig) NOOP
6108#endif
6109#ifndef PERL_BLOCKSIG_BLOCK
6110# define PERL_BLOCKSIG_BLOCK(set) NOOP
6111#endif
2bfba5f0 6112#ifndef PERL_BLOCKSIG_UNBLOCK
16bd9a85
JH		 6113# define PERL_BLOCKSIG_UNBLOCK(set) NOOP
6114#endif
6115
32fdb065 6116/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 6117 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 6118#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
6119
3c0f78ca
JH		 6120#if defined(__DECC) && defined(__osf__)
6121#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 6122#endif
6123
e4dba786
NC		 6124#define do_open(g, n, l, a, rm, rp, sf) \
6125 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 6126#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 6127# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 6128#endif
15871fce
NC		 6129#ifdef OS2
6130# define do_aexec Perl_do_aexec
6131#else
6132# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 6133#endif
e4dba786 6134
2f3efc97
JH		 6135#if defined(OEMVS)
6136#define NO_ENV_ARRAY_IN_MAIN
6137#endif
6138
00f254e2
KW		 6139/* These are used by Perl_pv_escape() and Perl_pv_pretty()
6140 * are here so that they are available throughout the core
10edeb5d
JH		 6141 * NOTE that even though some are for _escape and some for _pretty
6142 * there must not be any clashes as the flags from _pretty are
6143 * passed straight through to _escape.
6144 */
6145
6146#define PERL_PV_ESCAPE_QUOTE 0x0001
6147#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
6148
95b611b0 6149#define PERL_PV_PRETTY_ELLIPSES 0x0002
10edeb5d
JH		 6150#define PERL_PV_PRETTY_LTGT 0x0004
6151
6152#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
6153
00f254e2 6154#define PERL_PV_ESCAPE_UNI 0x0100
10edeb5d
JH		 6155#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
6156
6157#define PERL_PV_ESCAPE_ALL 0x1000
6158#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
6159#define PERL_PV_ESCAPE_NOCLEAR 0x4000
44a2ac75 6160#define PERL_PV_ESCAPE_RE 0x8000
10edeb5d 6161
881a015e
NC		 6162#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
6163
10edeb5d 6164/* used by pv_display in dump.c*/
95b611b0
RGS		 6165#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
6166#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE
10edeb5d
JH		 6167
6168/*
6169
6170 (KEEP THIS LAST IN perl.h!)
6171
6172 Mention
d460ef45 6173
43999f95 6174 NV_PRESERVES_UV
fe749a9f 6175
fe749a9f
JH		 6176 HAS_MKSTEMP
6177 HAS_MKSTEMPS
6178 HAS_MKDTEMP
6179
49dabb45
JH		 6180 HAS_GETCWD
6181
d59b5429 6182 HAS_MMAP
fe749a9f
JH		 6183 HAS_MPROTECT
6184 HAS_MSYNC
1e8c3fde 6185 HAS_MADVISE
fe749a9f
JH		 6186 HAS_MUNMAP
6187 I_SYSMMAN
6188 Mmap_t
6189
6b4667fc
A		 6190 NVef
6191 NVff
6192 NVgf
6193
4e0554ec 6194 HAS_UALARM
2d736872 6195 HAS_USLEEP
4e0554ec
JH		 6196
6197 HAS_SETITIMER
6198 HAS_GETITIMER
6199
6200 HAS_SENDMSG
6201 HAS_RECVMSG
6202 HAS_READV
6203 HAS_WRITEV
6204 I_SYSUIO
6205 HAS_STRUCT_MSGHDR
6206 HAS_STRUCT_CMSGHDR
6207
2765b840 6208 HAS_NL_LANGINFO
0a7020c9 6209
ae0e3d3b 6210 HAS_DIRFD
2765b840 6211
10edeb5d 6212 so that Configure picks them up.
ab3bbdeb 6213
10edeb5d 6214 (KEEP THIS LAST IN perl.h!)
3df15adc 6215
10edeb5d 6216*/
3df15adc 6217
85e6fe83 6218#endif /* Include guard */
e9a8c099
MHM		 6219
6220/*
6221 * Local variables:
6222 * c-indentation-style: bsd
6223 * c-basic-offset: 4
6224 * indent-tabs-mode: t
6225 * End:
6226 *
6227 * ex: set ts=8 sts=4 sw=4 noet:
6228 */
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