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Relation between overloading and ties: second try
[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
486ec47a 594/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH		 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 2228/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2229 * despite doing above, because math.h might have overridden... 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;
d2f13c59 2428typedef struct p5rx REGEXP;
79072805 2429typedef struct gp GP;
0c30d9ec 2430typedef struct gv GV;
8990e307 2431typedef struct io IO;
c09156bb 2432typedef struct context PERL_CONTEXT;
79072805
LW		 2433typedef struct block BLOCK;
2434
2435typedef struct magic MAGIC;
2436typedef struct xpv XPV;
2437typedef struct xpviv XPVIV;
ff68c719 2438typedef struct xpvuv XPVUV;
79072805
LW		 2439typedef struct xpvnv XPVNV;
2440typedef struct xpvmg XPVMG;
2441typedef struct xpvlv XPVLV;
2442typedef struct xpvav XPVAV;
2443typedef struct xpvhv XPVHV;
2444typedef struct xpvgv XPVGV;
2445typedef struct xpvcv XPVCV;
2446typedef struct xpvbm XPVBM;
2447typedef struct xpvfm XPVFM;
8990e307 2448typedef struct xpvio XPVIO;
79072805
LW		 2449typedef struct mgvtbl MGVTBL;
2450typedef union any ANY;
5f7fde29
GS		 2451typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2452typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2453typedef struct clone_params CLONE_PARAMS;
2454
378cc40b 2455#include "handy.h"
a0d0e21e 2456
6b8eaf93 2457#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2458# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2459# define USE_64_BIT_RAWIO /* implicit */
2460# endif
4564133c
JH		 2461#endif
2462
6b8eaf93
JH		 2463/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2464 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2465 * however, because operating systems like to do that themself. */
2466#ifndef FSEEKSIZE
2467# ifdef HAS_FSEEKO
2468# define FSEEKSIZE LSEEKSIZE
2469# else
2470# define FSEEKSIZE LONGSIZE
d460ef45 2471# endif
6b8eaf93
JH		 2472#endif
2473
2474#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2475# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2476# define USE_64_BIT_STDIO /* implicit */
2477# endif
2478#endif
4564133c 2479
09458382 2480#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2481# ifdef HAS_OFF64_T
2482# undef Off_t
2483# define Off_t off64_t
2484# undef LSEEKSIZE
2485# define LSEEKSIZE 8
5ff3f7a4 2486# endif
d9b3e12d
JH		 2487/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2488 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2489 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2490# if defined(USE_OPEN64)
2491# define open open64
5ff3f7a4 2492# endif
d9b3e12d
JH		 2493# if defined(USE_LSEEK64)
2494# define lseek lseek64
6b8eaf93
JH		 2495# else
2496# if defined(USE_LLSEEK)
2497# define lseek llseek
2498# endif
d9b3e12d
JH		 2499# endif
2500# if defined(USE_STAT64)
2501# define stat stat64
2502# endif
2503# if defined(USE_FSTAT64)
2504# define fstat fstat64
2505# endif
2506# if defined(USE_LSTAT64)
2507# define lstat lstat64
2508# endif
2509# if defined(USE_FLOCK64)
2510# define flock flock64
2511# endif
2512# if defined(USE_LOCKF64)
2513# define lockf lockf64
2514# endif
2515# if defined(USE_FCNTL64)
2516# define fcntl fcntl64
2517# endif
2518# if defined(USE_TRUNCATE64)
2519# define truncate truncate64
2520# endif
2521# if defined(USE_FTRUNCATE64)
2522# define ftruncate ftruncate64
2523# endif
2524#endif
2525
2526#ifdef USE_64_BIT_STDIO
2527# ifdef HAS_FPOS64_T
2528# undef Fpos_t
2529# define Fpos_t fpos64_t
2530# endif
2531/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2532 * will trigger defines like the ones below. Some 64-bit environments,
2533 * however, do not. */
2534# if defined(USE_FOPEN64)
2535# define fopen fopen64
2536# endif
2537# if defined(USE_FSEEK64)
6b8eaf93 2538# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2539# endif
2540# if defined(USE_FTELL64)
6b8eaf93 2541# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2542# endif
2543# if defined(USE_FSETPOS64)
2544# define fsetpos fsetpos64
2545# endif
2546# if defined(USE_FGETPOS64)
2547# define fgetpos fgetpos64
2548# endif
2549# if defined(USE_TMPFILE64)
2550# define tmpfile tmpfile64
2551# endif
2552# if defined(USE_FREOPEN64)
2553# define freopen freopen64
5ff3f7a4
GS		 2554# endif
2555#endif
2556
e37778c2 2557#if defined(OS2)
2c2d71f5
JH		 2558# include "iperlsys.h"
2559#endif
2560
6f71a643 2561#if defined(__OPEN_VM)
19848b3f
JH		 2562# include "vmesa/vmesaish.h"
2563# define ISHISH "vmesa"
6f71a643
JH		 2564#endif
2565
748a9306 2566#ifdef DOSISH
19848b3f
JH		 2567# if defined(OS2)
2568# include "os2ish.h"
2569# else
2570# include "dosish.h"
2571# endif
2572# define ISHISH "dos"
2573#endif
2574
2575#if defined(VMS)
748a9306 2576# include "vmsish.h"
96e176bf 2577# include "embed.h"
eb8433b7
NC		 2578# ifndef PERL_MAD
2579# undef op_getmad
b3f24c00 2580# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2581# endif
19848b3f
JH		 2582# define ISHISH "vms"
2583#endif
2584
2585#if defined(PLAN9)
2586# include "./plan9/plan9ish.h"
2587# define ISHISH "plan9"
2588#endif
2589
2590#if defined(MPE)
2591# include "mpeix/mpeixish.h"
2592# define ISHISH "mpeix"
2593#endif
2594
2595#if defined(__VOS__)
196918b0
PG		 2596# ifdef __GNUC__
2597# include "./vos/vosish.h"
2598# else
2599# include "vos/vosish.h"
2600# endif
19848b3f
JH		 2601# define ISHISH "vos"
2602#endif
2603
2604#if defined(EPOC)
2605# include "epocish.h"
2606# define ISHISH "epoc"
2607#endif
2608
9969cdde 2609#ifdef __SYMBIAN32__
27da23d5
JH		 2610# include "symbian/symbianish.h"
2611# include "embed.h"
eb8433b7
NC		 2612# ifndef PERL_MAD
2613# undef op_getmad
b3f24c00 2614# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2615# endif
27da23d5
JH		 2616# define ISHISH "symbian"
2617#endif
2618
19848b3f 2619
df00ff3b
IW		 2620#if defined(__HAIKU__)
2621# include "haiku/haikuish.h"
2622# define ISHISH "haiku"
2623#elif defined(__BEOS__)
efca5cc6
JH		 2624# include "beos/beosish.h"
2625# define ISHISH "beos"
2626#endif
2627
19848b3f
JH		 2628#ifndef ISHISH
2629# include "unixish.h"
2630# define ISHISH "unix"
13b6e58c
JH		 2631#endif
2632
2946a158
JH		 2633/* NSIG logic from Configure --> */
2634/* Strange style to avoid deeply-nested #if/#else/#endif */
2635#ifndef NSIG
2636# ifdef _NSIG
2637# define NSIG (_NSIG)
2638# endif
2639#endif
2640
2641#ifndef NSIG
2642# ifdef SIGMAX
2643# define NSIG (SIGMAX+1)
2644# endif
2645#endif
2646
2647#ifndef NSIG
2648# ifdef SIG_MAX
2649# define NSIG (SIG_MAX+1)
2650# endif
2651#endif
2652
2653#ifndef NSIG
2654# ifdef _SIG_MAX
2655# define NSIG (_SIG_MAX+1)
2656# endif
2657#endif
2658
2659#ifndef NSIG
2660# ifdef MAXSIG
2661# define NSIG (MAXSIG+1)
2662# endif
2663#endif
2664
2665#ifndef NSIG
2666# ifdef MAX_SIG
2667# define NSIG (MAX_SIG+1)
2668# endif
2669#endif
2670
2671#ifndef NSIG
2672# ifdef SIGARRAYSIZE
2673# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2674# endif
2675#endif
2676
2677#ifndef NSIG
2678# ifdef _sys_nsig
2679# define NSIG (_sys_nsig) /* Solaris 2.5 */
2680# endif
2681#endif
2682
2683/* Default to some arbitrary number that's big enough to get most
2684 of the common signals.
2685*/
2686#ifndef NSIG
2687# define NSIG 50
2688#endif
2689/* <-- NSIG logic from Configure */
2690
13b6e58c
JH		 2691#ifndef NO_ENVIRON_ARRAY
2692# define USE_ENVIRON_ARRAY
2693#endif
32f822de 2694
c77b533b
JH		 2695/*
2696 * initialise to avoid floating-point exceptions from overflow, etc
2697 */
2698#ifndef PERL_FPU_INIT
2699# ifdef HAS_FPSETMASK
2700# if HAS_FLOATINGPOINT_H
2701# include <floatingpoint.h>
2702# endif
ad3a8c67
NC		 2703/* Some operating systems have this as a macro, which in turn expands to a comma
2704 expression, and the last sub-expression is something that gets calculated,
2705 and then they have the gall to warn that a value computed is not used. Hence
2706 cast to void. */
2707# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2708# else
2f42fcb0 2709# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2710# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2711# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2712# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2713# else
2714# define PERL_FPU_INIT
2f42fcb0 2715
7014c407 2716# endif
c77b533b
JH		 2717# endif
2718#endif
b35112e7
CS		 2719#ifndef PERL_FPU_PRE_EXEC
2720# define PERL_FPU_PRE_EXEC {
2721# define PERL_FPU_POST_EXEC }
2722#endif
c77b533b 2723
cbec8ebe
DM		 2724#ifndef PERL_SYS_INIT3_BODY
2725# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2726#endif
2727
eb533572
DM		 2728/*
2729=for apidoc Am|void|PERL_SYS_INIT|int argc|char** argv
2730Provides system-specific tune up of the C runtime environment necessary to
2731run Perl interpreters. This should be called only once, before creating
2732any Perl interpreters.
2733
2734=for apidoc Am|void|PERL_SYS_INIT3|int argc|char** argv|char** env
2735Provides system-specific tune up of the C runtime environment necessary to
2736run Perl interpreters. This should be called only once, before creating
2737any Perl interpreters.
2738
2739=for apidoc Am|void|PERL_SYS_TERM|
2740Provides system-specific clean up of the C runtime environment after
2741running Perl interpreters. This should be called only once, after
2742freeing any remaining Perl interpreters.
2743
2744=cut
2745 */
2746
cbec8ebe
DM		 2747#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2748#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2749#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2750
be708cc0
JH		 2751#ifndef PERL_WRITE_MSG_TO_CONSOLE
2752# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2753#endif
2754
0f31cffe
GS		 2755#ifndef MAXPATHLEN
2756# ifdef PATH_MAX
b990c8b2
JH		 2757# ifdef _POSIX_PATH_MAX
2758# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2759/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2760 * included the null byte or not. Later amendments of POSIX,
2761 * XPG4, the Austin Group, and the Single UNIX Specification
2762 * all explicitly include the null byte in the PATH_MAX.
2763 * Ditto for _POSIX_PATH_MAX. */
2764# define MAXPATHLEN PATH_MAX
b990c8b2 2765# else
09448d78 2766# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2767# endif
2768# else
2769# define MAXPATHLEN (PATH_MAX+1)
2770# endif
0f31cffe 2771# else
b990c8b2 2772# ifdef _POSIX_PATH_MAX
09448d78 2773# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2774# else
2775# define MAXPATHLEN 1024 /* Err on the large side. */
2776# endif
0f31cffe
GS		 2777# endif
2778#endif
2779
c80263a8
SH		 2780/* In case Configure was not used (we are using a "canned config"
2781 * such as Win32, or a cross-compilation setup, for example) try going
2782 * by the gcc major and minor versions. One useful URL is
2783 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2784 * but contrary to this information warn_unused_result seems
2785 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2786 * Also, when building extensions with an installed perl, this allows
2787 * the user to upgrade gcc and get the right attributes, rather than
2788 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2789 * Set these up now otherwise we get confused when some of the <*thread.h>
2790 * includes below indirectly pull in <perlio.h> (which needs to know if we
2791 * have HASATTRIBUTE_FORMAT).
2792 */
2793
4d7c7898 2794#ifndef PERL_MICRO
fc2007d4 2795#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2796# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2797# define HASATTRIBUTE_DEPRECATED
2798# endif
c80263a8
SH		 2799# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2800# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2801# if defined __MINGW32__
2802# define PRINTF_FORMAT_NULL_OK
2803# endif
c80263a8
SH		 2804# endif
2805# if __GNUC__ >= 3 /* 3.0 -> */
2806# define HASATTRIBUTE_MALLOC
2807# endif
2808# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2809# define HASATTRIBUTE_NONNULL
2810# endif
2811# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2812# define HASATTRIBUTE_NORETURN
2813# endif
2814# if __GNUC__ >= 3 /* gcc 3.0 -> */
2815# define HASATTRIBUTE_PURE
2816# endif
42bf5550 2817# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2818# define HASATTRIBUTE_UNUSED
2819# endif
d324fe49
AD		 2820# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2821# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2822# endif
c80263a8
SH		 2823# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2824# define HASATTRIBUTE_WARN_UNUSED_RESULT
2825# endif
2826#endif
00f254e2 2827#endif /* #ifndef PERL_MICRO */
c80263a8 2828
3db8f154 2829/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2830 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2831 * this results in many functions being undeclared which bothers C++
2832 * May make sense to have threads after "*ish.h" anyway
2833 */
2834
3db8f154 2835#if defined(USE_ITHREADS)
2986a63f
JH		 2836# ifdef NETWARE
2837# include <nw5thread.h>
2838# else
32f822de
GS		 2839# ifdef FAKE_THREADS
2840# include "fakethr.h"
2841# else
2842# ifdef WIN32
2843# include <win32thread.h>
2844# else
dd96f567
IZ		 2845# ifdef OS2
2846# include "os2thread.h"
2847# else
7f3d1cf1 2848# ifdef I_MACH_CTHREADS
bdd66968 2849# include <mach/cthreads.h>
8f1f23e8 2850# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2851# define MUTEX_INIT_CALLS_MALLOC
2852# endif
7f3d1cf1
BH		 2853typedef cthread_t perl_os_thread;
2854typedef mutex_t perl_mutex;
2855typedef condition_t perl_cond;
2856typedef void * perl_key;
2857# else /* Posix threads */
1f5ae88c
JH		 2858# ifdef I_PTHREAD
2859# include <pthread.h>
2860# endif
7f3d1cf1
BH		 2861typedef pthread_t perl_os_thread;
2862typedef pthread_mutex_t perl_mutex;
2863typedef pthread_cond_t perl_cond;
2864typedef pthread_key_t perl_key;
2865# endif /* I_MACH_CTHREADS */
dd96f567 2866# endif /* OS2 */
32f822de
GS		 2867# endif /* WIN32 */
2868# endif /* FAKE_THREADS */
2986a63f 2869#endif /* NETWARE */
3db8f154 2870#endif /* USE_ITHREADS */
c5be433b 2871
66a93824 2872#if defined(WIN32)
1feb2720 2873# include "win32.h"
c5be433b
GS		 2874#endif
2875
2986a63f
JH		 2876#ifdef NETWARE
2877# include "netware.h"
2878#endif
2879
e5218da5 2880#define STATUS_UNIX PL_statusvalue
68dc0745 2881#ifdef VMS
6b88bc9c 2882# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2883/*
2884 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2885 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2886 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2887 * be updated also.
2888 */
2889# include <stsdef.h>
2890# include <ssdef.h>
2891/* Presume this because if VMS changes it, it will require a new
2892 * set of APIs for waiting on children for binary compatibility.
2893 */
2894# define child_offset_bits (8)
2895# ifndef C_FAC_POSIX
2896# define C_FAC_POSIX 0x35A000
2897# endif
2898
2899/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2900 * platform from the existing UNIX or Native status values.
2901 */
2902
37038d91 2903# define STATUS_EXIT \
7a7fd8e0
JM		 2904 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2905 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2906
7a7fd8e0 2907
fb38d079
JM		 2908/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2909 * exit code and shifts the UNIX value over the correct number of bits to
2910 * be a child status. Usually the number of bits is 8, but that could be
2911 * platform dependent. The NATIVE status code is presumed to have either
2912 * from a child process.
7a7fd8e0
JM		 2913 */
2914
fb38d079
JM		 2915/* This is complicated. The child processes return a true native VMS
2916 status which must be saved. But there is an assumption in Perl that
2917 the UNIX child status has some relationship to errno values, so
00f254e2 2918 Perl tries to translate it to text in some of the tests.
fb38d079
JM		 2919 In order to get the string translation correct, for the error, errno
2920 must be EVMSERR, but that generates a different text message
2921 than what the test programs are expecting. So an errno value must
2922 be derived from the native status value when an error occurs.
2923 That will hide the true native status message. With this version of
2924 perl, the true native child status can always be retrieved so that
2925 is not a problem. But in this case, Pl_statusvalue and errno may
2926 have different values in them.
2927 */
7a7fd8e0 2928
fb38d079 2929# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2930 STMT_START { \
2fbb330f
JM		 2931 I32 evalue = (I32)n; \
2932 if (evalue == EVMSERR) { \
2933 PL_statusvalue_vms = vaxc$errno; \
2934 PL_statusvalue = evalue; \
7a7fd8e0 2935 } else { \
2fbb330f 2936 PL_statusvalue_vms = evalue; \
fb38d079 2937 if (evalue == -1) { \
3280af22 2938 PL_statusvalue = -1; \
7a7fd8e0
JM		 2939 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2940 } else \
fb38d079 2941 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2942 set_vaxc_errno(evalue); \
fb38d079
JM		 2943 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2944 set_errno(EVMSERR); \
2945 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2946 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2947 } \
68dc0745 2948 } STMT_END
7a7fd8e0 2949
68dc0745 2950# ifdef VMSISH_STATUS
e5218da5 2951# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2952# else
e5218da5 2953# define STATUS_CURRENT STATUS_UNIX
68dc0745 2954# endif
7a7fd8e0
JM		 2955
2956 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2957 * the NATIVE status to an equivalent value. Can not be used to translate
2958 * exit code values as exit code values are not guaranteed to have any
2959 * relationship at all to errno values.
2960 * This is used when Perl is forcing errno to have a specific value.
2961 */
e5218da5 2962# define STATUS_UNIX_SET(n) \
68dc0745 2963 STMT_START { \
7a7fd8e0 2964 I32 evalue = (I32)n; \
0968cdad 2965 PL_statusvalue = evalue; \
3280af22 2966 if (PL_statusvalue != -1) { \
0968cdad
JM		 2967 if (PL_statusvalue != EVMSERR) { \
2968 PL_statusvalue &= 0xFFFF; \
2969 if (MY_POSIX_EXIT) \
2970 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2971 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2972 } \
2973 else { \
2974 PL_statusvalue_vms = vaxc$errno; \
2975 } \
68dc0745 2976 } \
0968cdad
JM		 2977 else PL_statusvalue_vms = SS$_ABORT; \
2978 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2979 } STMT_END
2980
2981 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 2982 * the NATIVE error status based on it.
2983 *
2984 * When in the default mode to comply with the Perl VMS documentation,
2985 * 0 is a success and any other code sets the NATIVE status to a failure
2986 * code of SS$_ABORT.
fb38d079
JM		 2987 *
2988 * In the new POSIX EXIT mode, native status will be set so that the
2989 * actual exit code will can be retrieved by the calling program or
2990 * shell.
2991 *
2992 * If the exit code is not clearly a UNIX parent or child exit status,
2993 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2994 */
2995
fb38d079 2996# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2997 STMT_START { \
2998 I32 evalue = (I32)n; \
2999 PL_statusvalue = evalue; \
e08e1e1d
JM		 3000 if (MY_POSIX_EXIT) { \
3001 if (evalue <= 0xFF00) { \
3002 if (evalue > 0xFF) \
3003 evalue = (evalue >> child_offset_bits) & 0xFF; \
3004 PL_statusvalue_vms = \
3005 (C_FAC_POSIX | (evalue << 3 ) | \
3006 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
3007 } else /* forgive them Perl, for they have sinned */ \
3008 PL_statusvalue_vms = evalue; \
3009 } else { \
3010 if (evalue == 0) \
3011 PL_statusvalue_vms = SS$_NORMAL; \
3012 else if (evalue <= 0xFF00) \
3013 PL_statusvalue_vms = SS$_ABORT; \
3014 else { /* forgive them Perl, for they have sinned */ \
3015 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3016 else PL_statusvalue_vms = vaxc$errno; \
3017 /* And obviously used a VMS status value instead of UNIX */ \
3018 PL_statusvalue = EVMSERR; \
3019 } \
3020 set_vaxc_errno(PL_statusvalue_vms); \
3021 } \
68dc0745 3022 } STMT_END
fb38d079 3023
e08e1e1d 3024
6ac6a52b
JM		 3025 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3026 * and sets the NATIVE error status based on it. This special case
3027 * is needed to maintain compatibility with past VMS behavior.
3028 *
3029 * In the default mode on VMS, this number is passed through as
3030 * both the NATIVE and UNIX status. Which makes it different
3031 * that the STATUS_UNIX_EXIT_SET.
3032 *
3033 * In the new POSIX EXIT mode, native status will be set so that the
3034 * actual exit code will can be retrieved by the calling program or
3035 * shell.
3036 *
1a3aec58
JM		 3037 * A POSIX exit code is from 0 to 255. If the exit code is higher
3038 * than this, it needs to be assumed that it is a VMS exit code and
3039 * passed through.
6ac6a52b
JM		 3040 */
3041
3042# define STATUS_EXIT_SET(n) \
3043 STMT_START { \
3044 I32 evalue = (I32)n; \
3045 PL_statusvalue = evalue; \
3046 if (MY_POSIX_EXIT) \
1a3aec58
JM		 3047 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3048 PL_statusvalue_vms = \
3049 (C_FAC_POSIX | (evalue << 3 ) | \
3050 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 3051 else \
3052 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3053 set_vaxc_errno(PL_statusvalue_vms); \
3054 } STMT_END
3055
fb38d079
JM		 3056
3057 /* This macro forces a success status */
7a7fd8e0
JM		 3058# define STATUS_ALL_SUCCESS \
3059 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 3060
3061 /* This macro forces a failure status */
7a7fd8e0
JM		 3062# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3063 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3064 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3065
68dc0745 3066#else
e5218da5 3067# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3068# if defined(WCOREDUMP)
37038d91 3069# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3070 STMT_START { \
3071 PL_statusvalue_posix = (n); \
3072 if (PL_statusvalue_posix == -1) \
3073 PL_statusvalue = -1; \
3074 else { \
3075 PL_statusvalue = \
3076 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3077 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3078 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3079 } \
3080 } STMT_END
3081# elif defined(WIFEXITED)
37038d91 3082# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3083 STMT_START { \
3084 PL_statusvalue_posix = (n); \
3085 if (PL_statusvalue_posix == -1) \
3086 PL_statusvalue = -1; \
3087 else { \
3088 PL_statusvalue = \
3089 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3090 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3091 } \
3092 } STMT_END
3093# else
37038d91 3094# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3095 STMT_START { \
3096 PL_statusvalue_posix = (n); \
3097 if (PL_statusvalue_posix == -1) \
3098 PL_statusvalue = -1; \
3099 else { \
3100 PL_statusvalue = \
3101 PL_statusvalue_posix & 0xFFFF; \
3102 } \
3103 } STMT_END
3104# endif
3105# define STATUS_UNIX_SET(n) \
68dc0745 3106 STMT_START { \
3280af22
NIS		 3107 PL_statusvalue = (n); \
3108 if (PL_statusvalue != -1) \
3109 PL_statusvalue &= 0xFFFF; \
68dc0745 3110 } STMT_END
7a7fd8e0 3111# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3112# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3113# define STATUS_CURRENT STATUS_UNIX
37038d91 3114# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3115# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3116# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3117#endif
3118
cc3604b1
GS		 3119/* flags in PL_exit_flags for nature of exit() */
3120#define PERL_EXIT_EXPECTED 0x01
31d77e54 3121#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3122
b79b76e0 3123#ifndef PERL_CORE
a7cb1f99 3124/* format to use for version numbers in file/directory names */
273cf8d1 3125/* XXX move to Configure? */
b79b76e0
NC		 3126/* This was only ever used for the current version, and that can be done at
3127 compile time, as PERL_FS_VERSION, so should we just delete it? */
3128# ifndef PERL_FS_VER_FMT
3129# define PERL_FS_VER_FMT "%d.%d.%d"
3130# endif
3131#endif
3132
3133#ifndef PERL_FS_VERSION
3134# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS		 3135#endif
3136
45bc9206 3137/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3138 * performance issue, so we allow people to disable it. Also, if
3139 * we are using stdio, there are broken implementations of fflush(NULL)
3140 * out there, Solaris being the most prominent.
45bc9206
GS		 3141 */
3142#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3143# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3144# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3145# else
3146# ifdef FFLUSH_ALL
3147# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3148# else
c5be433b 3149# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3150# endif
66fe083f 3151# endif
45bc9206
GS		 3152#endif
3153
7766f137
GS		 3154#ifndef PERL_WAIT_FOR_CHILDREN
3155# define PERL_WAIT_FOR_CHILDREN NOOP
3156#endif
3157
ba869deb 3158/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3159#ifndef PERL_SET_INTERP
3160# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3161#endif
3162
3163#ifndef PERL_GET_INTERP
3164# define PERL_GET_INTERP (PL_curinterp)
3165#endif
3166
54aff467 3167#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3168# ifdef MULTIPLICITY
ba869deb 3169# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3170# endif
ba869deb
GS		 3171# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3172#endif
3173
00f254e2 3174/*
8896765a 3175 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3176 All that is required is that the perl source does not
00f254e2
KW		 3177 use "%-p" or "%-<number>p" or "%<number>p" formats.
3178 These formats will still work in perl code.
486ec47a 3179 See comments in sv.c for further details.
8896765a 3180
8896765a 3181 Robin Barker 2005-07-14
f46d31f2 3182
00f254e2 3183 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3184*/
8896765a
RB		 3185
3186#ifndef SVf_
63ce7bf0 3187# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3188#endif
3189
8896765a 3190#ifndef SVf
104abab4 3191# define SVf "-p"
d2560b70
RB		 3192#endif
3193
014ead4b 3194#ifndef SVf32
8896765a 3195# define SVf32 SVf_(32)
014ead4b
RB		 3196#endif
3197
3198#ifndef SVf256
8896765a
RB		 3199# define SVf256 SVf_(256)
3200#endif
3201
be2597df
MHM		 3202#define SVfARG(p) ((void*)(p))
3203
f46d31f2 3204#ifdef PERL_CORE
486ec47a 3205/* not used; but needed for backward compatibility with XS code? - RMB */
f46d31f2
RB		 3206# undef VDf
3207#else
3208# ifndef VDf
8896765a
RB		 3209# define VDf "vd"
3210# endif
014ead4b 3211#endif
170cd9e9
NC		 3212
3213#ifdef PERL_CORE
486ec47a 3214/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB		 3215# undef UVf
3216#else
170cd9e9
NC		 3217# ifndef UVf
3218# define UVf UVuf
3219# endif
d2560b70
RB		 3220#endif
3221
fcdf39cf
RGS		 3222#ifdef HASATTRIBUTE_DEPRECATED
3223# define __attribute__deprecated__ __attribute__((deprecated))
3224#endif
0dbb1585
AL		 3225#ifdef HASATTRIBUTE_FORMAT
3226# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3227#endif
3228#ifdef HASATTRIBUTE_MALLOC
77785eea 3229# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3230#endif
0dbb1585 3231#ifdef HASATTRIBUTE_NONNULL
abb2c242 3232# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3233#endif
0dbb1585 3234#ifdef HASATTRIBUTE_NORETURN
abb2c242 3235# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3236#endif
0dbb1585 3237#ifdef HASATTRIBUTE_PURE
abb2c242 3238# define __attribute__pure__ __attribute__((pure))
f22be1b8 3239#endif
0dbb1585
AL		 3240#ifdef HASATTRIBUTE_UNUSED
3241# define __attribute__unused__ __attribute__((unused))
3242#endif
3243#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3244# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3245#endif
3246
0dbb1585 3247/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3248#ifndef __attribute__deprecated__
3249# define __attribute__deprecated__
3250#endif
0dbb1585
AL		 3251#ifndef __attribute__format__
3252# define __attribute__format__(x,y,z)
3253#endif
f22be1b8 3254#ifndef __attribute__malloc__
abb2c242 3255# define __attribute__malloc__
f22be1b8
JH		 3256#endif
3257#ifndef __attribute__nonnull__
abb2c242 3258# define __attribute__nonnull__(a)
f22be1b8
JH		 3259#endif
3260#ifndef __attribute__noreturn__
abb2c242 3261# define __attribute__noreturn__
f22be1b8
JH		 3262#endif
3263#ifndef __attribute__pure__
abb2c242 3264# define __attribute__pure__
f22be1b8 3265#endif
0dbb1585
AL		 3266#ifndef __attribute__unused__
3267# define __attribute__unused__
3268#endif
f22be1b8 3269#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3270# define __attribute__warn_unused_result__
3271#endif
3272
0dbb1585
AL		 3273/* For functions that are marked as __attribute__noreturn__, it's not
3274 appropriate to call return. In either case, include the lint directive.
3275 */
3276#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3277# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3278#else
b37c2d43 3279# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH		 3280#endif
3281
cdfeb707
RB		 3282/* Some OS warn on NULL format to printf */
3283#ifdef PRINTF_FORMAT_NULL_OK
3284# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3285#else
00f254e2 3286# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB		 3287#endif
3288
635aebb7 3289#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3290# define EXPECT(expr,val) __builtin_expect(expr,val)
3291#else
3292# define EXPECT(expr,val) (expr)
3293#endif
3294#define LIKELY(cond) EXPECT(cond,1)
3295#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3296#ifdef HAS_BUILTIN_CHOOSE_EXPR
3297/* placeholder */
3298#endif
b37c2d43 3299
3fc1aec6 3300/* Some unistd.h's give a prototype for pause() even though
3301 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3302 below to be rejected by the compiler. Sigh.
3fc1aec6 3303*/
3304#ifdef HAS_PAUSE
3305#define Pause pause
3306#else
3307#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3308#endif
3309
3310#ifndef IOCPARM_LEN
3311# ifdef IOCPARM_MASK
61f1c44b 3312 /* on BSDish systems we're safe */
748a9306
LW		 3313# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3314# else
61f1c44b 3315# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3316 /* on Linux systems we're safe; except when we're not [perl #38223] */
3317# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3318# else
748a9306 3319 /* otherwise guess at what's safe */
61f1c44b
JVD		 3320# define IOCPARM_LEN(x) 256
3321# endif
748a9306 3322# endif
a0d0e21e
LW		 3323#endif
3324
1761cee5 3325#if defined(__CYGWIN__)
521e0776
GS		 3326/* USEMYBINMODE
3327 * This symbol, if defined, indicates that the program should
16fe6d59 3328 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3329 * that a file is in "binary" mode -- that is, that no translation
3330 * of bytes occurs on read or write operations.
3331 */
36894f0b 3332# define USEMYBINMODE /**/
77a40698 3333# include <io.h> /* for setmode() prototype */
16fe6d59 3334# define my_binmode(fp, iotype, mode) \
77a40698 3335 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3336#endif
3337
88d10794
JH		 3338#ifdef __CYGWIN__
3339void init_os_extras(void);
3340#endif
3341
cea2e8a9
GS		 3342#ifdef UNION_ANY_DEFINITION
3343UNION_ANY_DEFINITION;
3344#else
3345union any {
3346 void* any_ptr;
3347 I32 any_i32;
3348 IV any_iv;
c6bf6a65 3349 UV any_uv;
cea2e8a9 3350 long any_long;
9febdf04 3351 bool any_bool;
c76ac1ee 3352 void (*any_dptr) (void*);
acfe0abc 3353 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3354};
3355#endif
3356
acfe0abc 3357typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3358
3359#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3360#define FILTER_DATA(idx) \
3361 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3362#define FILTER_ISREADER(idx) \
3363 (PL_parser && PL_parser->rsfp_filters \
3364 && idx >= AvFILLp(PL_parser->rsfp_filters))
3365#define PERL_FILTER_EXISTS(i) \
3366 (PL_parser && PL_parser->rsfp_filters \
3367 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3368
c5078cac
JH		 3369#if defined(_AIX) && !defined(_AIX43)
3370#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3371/* We cannot include <crypt.h> to get the struct crypt_data
3372 * because of setkey prototype problems when threading */
3373typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3374 /* From OSF, Not needed in AIX
3375 char C[28], D[28];
3376 */
3377 char E[48];
3378 char KS[16][48];
3379 char block[66];
3380 char iobuf[16];
3381} CRYPTD;
3382#endif /* threading */
3383#endif /* AIX */
3384
e37778c2 3385#if !defined(OS2)
2c2d71f5
JH		 3386# include "iperlsys.h"
3387#endif
504f80c1 3388
9c12f1e5 3389#ifdef __LIBCATAMOUNT__
00f254e2 3390#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS		 3391#undef HAS_GROUP
3392#define FAKE_BIT_BUCKET
3393#endif
3394
d10dc2ae
JH		 3395/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3396 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3397 * defined by Configure, despite their names being similar to the
3398 * other defines like USE_ITHREADS. Configure in fact knows nothing
3399 * about the randomised hashes. Therefore to enable/disable the hash
3400 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3401#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3402# define USE_HASH_SEED
504f80c1
JH		 3403#endif
3404
598921a7
NC		 3405/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3406 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3407 * it's not really needed.
3408 */
3409#if defined(WIN32)
3410# define YYTOKENTYPE
3411#endif
3412#include "perly.h"
3413
3414#ifdef PERL_MAD
3415struct nexttoken {
3416 YYSTYPE next_val; /* value of next token, if any */
3417 I32 next_type; /* type of next token */
3418 MADPROP *next_mad; /* everything else about that token */
3419};
3420#endif
3421
654eccd5
JD		 3422/* macros to define bit-fields in structs. */
3423#ifndef PERL_BITFIELD8
3424# define PERL_BITFIELD8 unsigned
3425#endif
3426#ifndef PERL_BITFIELD16
3427# define PERL_BITFIELD16 unsigned
3428#endif
3429#ifndef PERL_BITFIELD32
3430# define PERL_BITFIELD32 unsigned
3431#endif
3432
79072805 3433#include "sv.h"
288b8c02 3434#include "regexp.h"
378cc40b 3435#include "util.h"
8d063cd8 3436#include "form.h"
79072805 3437#include "gv.h"
dd2155a4 3438#include "pad.h"
79072805 3439#include "cv.h"
abdd5c84 3440#include "opnames.h"
79072805 3441#include "op.h"
b3ca2e83 3442#include "hv.h"
79072805
LW		 3443#include "cop.h"
3444#include "av.h"
79072805
LW		 3445#include "mg.h"
3446#include "scope.h"
4438c4b7 3447#include "warnings.h"
a0ed51b3 3448#include "utf8.h"
8d063cd8 3449
0d7d409d
DM		 3450/* these would be in doio.h if there was such a file */
3451#define my_stat() my_stat_flags(SV_GMAGIC)
3452#define my_lstat() my_lstat_flags(SV_GMAGIC)
3453
20f4945e 3454/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM		 3455#undef _XPV_HEAD
3456#undef _XPVMG_HEAD
3457#undef _XPVCV_COMMON
7fae4e64
GS		 3458
3459typedef struct _sublex_info SUBLEXINFO;
3460struct _sublex_info {
651b5b28
NC		 3461 U8 super_state; /* lexer state to save */
3462 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3463 OP *sub_op; /* "lex_op" to use */
f06b5848
DM		 3464 char *super_bufptr; /* PL_parser->bufptr that was */
3465 char *super_bufend; /* PL_parser->bufend that was */
7fae4e64
GS		 3466};
3467
199e78b7
DM		 3468#include "parser.h"
3469
455ece5e 3470typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3471
2c2d71f5 3472struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3473struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3474
5f7fde29
GS		 3475struct ptr_tbl_ent {
3476 struct ptr_tbl_ent* next;
53c1dcc0 3477 const void* oldval;
5f7fde29 3478 void* newval;
d18c6117
GS		 3479};
3480
5f7fde29
GS		 3481struct ptr_tbl {
3482 struct ptr_tbl_ent** tbl_ary;
3483 UV tbl_max;
3484 UV tbl_items;
db93c0c4
NC		 3485 struct ptr_tbl_arena *tbl_arena;
3486 struct ptr_tbl_ent *tbl_arena_next;
3487 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS		 3488};
3489
450a55e4 3490#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3491# define I286
3492#endif
3493
fe14fcc3
LW		 3494#if defined(htonl) && !defined(HAS_HTONL)
3495#define HAS_HTONL
ae986130 3496#endif
fe14fcc3
LW		 3497#if defined(htons) && !defined(HAS_HTONS)
3498#define HAS_HTONS
ae986130 3499#endif
fe14fcc3
LW		 3500#if defined(ntohl) && !defined(HAS_NTOHL)
3501#define HAS_NTOHL
ae986130 3502#endif
fe14fcc3
LW		 3503#if defined(ntohs) && !defined(HAS_NTOHS)
3504#define HAS_NTOHS
ae986130 3505#endif
fe14fcc3 3506#ifndef HAS_HTONL
d9d8d8de 3507#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3508#define HAS_HTONS
3509#define HAS_HTONL
3510#define HAS_NTOHS
3511#define HAS_NTOHL
a687059c
LW		 3512#define MYSWAP
3513#define htons my_swap
3514#define htonl my_htonl
3515#define ntohs my_swap
3516#define ntohl my_ntohl
3517#endif
3518#else
d9d8d8de 3519#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3520#undef HAS_HTONS
3521#undef HAS_HTONL
3522#undef HAS_NTOHS
3523#undef HAS_NTOHL
a687059c
LW		 3524#endif
3525#endif
3526
988174c1
LW		 3527/*
3528 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3529 * -DWS
3530 */
3531#if BYTEORDER != 0x1234
3532# define HAS_VTOHL
3533# define HAS_VTOHS
3534# define HAS_HTOVL
3535# define HAS_HTOVS
c67712b2 3536# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3537# define vtohl(x) ((((x)&0xFF)<<24) \
3538 +(((x)>>24)&0xFF) \
3539 +(((x)&0x0000FF00)<<8) \
3540 +(((x)&0x00FF0000)>>8) )
3541# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3542# define htovl(x) vtohl(x)
3543# define htovs(x) vtohs(x)
3544# endif
3545 /* otherwise default to functions in util.c */
2a8c3029 3546#ifndef htovs
c623ac67
GS		 3547short htovs(short n);
3548short vtohs(short n);
3549long htovl(long n);
3550long vtohl(long n);
988174c1 3551#endif
2a8c3029 3552#endif
988174c1 3553
3bb7c1b4
JH		 3554/* *MAX Plus 1. A floating point value.
3555 Hopefully expressed in a way that dodgy floating point can't mess up.
3556 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3557 is added to it
3558 May find that some broken compiler will want the value cast to I32.
3559 [after the shift, as signed >> may not be as secure as unsigned >>]
3560*/
3561#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3562#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3563/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3564 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3565 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3566*/
3567#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3568
3bb7c1b4
JH		 3569#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3570#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3571#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3572
3573/* This may look like unnecessary jumping through hoops, but converting
3574 out of range floating point values to integers *is* undefined behaviour,
3575 and it is starting to bite.
3576*/
3577#ifndef CAST_INLINE
65202027 3578#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3579#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3580#define I_V(what) (cast_iv((NV)(what)))
3581#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3582#else
3583#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3584 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3585 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3586#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3587 : ((n) < U32_MAX_P1 ? (U32) (n) \
3588 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3589#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3590 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3591 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3592#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3593 : ((n) < UV_MAX_P1 ? (UV) (n) \
3594 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3595#endif
3596
3597#define U_S(what) ((U16)U_32(what))
3598#define U_I(what) ((unsigned int)U_32(what))
3599#define U_L(what) U_32(what)
ed6116ce 3600
ed140128
AD		 3601#ifdef HAS_SIGNBIT
3602# define Perl_signbit signbit
3603#endif
3604
2d4389e4
JH		 3605/* These do not care about the fractional part, only about the range. */
3606#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3607#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3608
25da4f38
IZ		 3609/* Used with UV/IV arguments: */
3610 /* XXXX: need to speed it up */
3611#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3612#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3613
352d5a3a
LW		 3614#ifndef MAXSYSFD
3615# define MAXSYSFD 2
3616#endif
ee0007ab 3617
79072805 3618#ifndef __cplusplus
27da23d5 3619#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3620Uid_t getuid (void);
3621Uid_t geteuid (void);
3622Gid_t getgid (void);
3623Gid_t getegid (void);
79072805 3624#endif
e1caacb4 3625#endif
8d063cd8 3626
0c30d9ec 3627#ifndef Perl_debug_log
bf49b057
GS		 3628# define Perl_debug_log PerlIO_stderr()
3629#endif
3630
3631#ifndef Perl_error_log
3632# define Perl_error_log (PL_stderrgv \
6b78add2 3633 && isGV(PL_stderrgv) \
01bb7c6d 3634 && GvIOp(PL_stderrgv) \
42de951c 3635 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3636 ? IoOFP(GvIOp(PL_stderrgv)) \
3637 : PerlIO_stderr())
0c30d9ec 3638#endif
3967c732 3639
aea4f609
DM		 3640
3641#define DEBUG_p_FLAG 0x00000001 /* 1 */
3642#define DEBUG_s_FLAG 0x00000002 /* 2 */
3643#define DEBUG_l_FLAG 0x00000004 /* 4 */
3644#define DEBUG_t_FLAG 0x00000008 /* 8 */
3645#define DEBUG_o_FLAG 0x00000010 /* 16 */
3646#define DEBUG_c_FLAG 0x00000020 /* 32 */
3647#define DEBUG_P_FLAG 0x00000040 /* 64 */
3648#define DEBUG_m_FLAG 0x00000080 /* 128 */
3649#define DEBUG_f_FLAG 0x00000100 /* 256 */
3650#define DEBUG_r_FLAG 0x00000200 /* 512 */
3651#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3652#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3653/* U is reserved for Unofficial, exploratory hacking */
3654#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3655#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3656#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3657#define DEBUG_D_FLAG 0x00008000 /* 32768 */
d2c25739 3658/* 0x00010000 is unused, used to be S */
aea4f609 3659#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3660#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3661#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3662#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3663#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3664#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3665#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 3666#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3667#define DEBUG_B_FLAG 0x02000000 /*33554432*/
3668#define DEBUG_MASK 0x03FEEFFF /* mask of all the standard flags */
aea4f609
DM		 3669
3670#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3671#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3672 that something was done? */
aea4f609 3673
bd16a5f0
IZ		 3674# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3675# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3676# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3677# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3678# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3679# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3680# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3681# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3682# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3683# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3684# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3685# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3686# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3687# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3688# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3689# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
bd16a5f0
IZ		 3690# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3691# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3692# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3693# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3694# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3695# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3696# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3697# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3698# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3699# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3700# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3701# define DEBUG_Pv_TEST_ (DEBUG_P_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_
ad9e76a8 3732# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3733
488b0c7a
JH		 3734# define PERL_DEB(a) a
3735# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3736# define DEBUG_p(a) if (DEBUG_p_TEST) a
3737# define DEBUG_s(a) if (DEBUG_s_TEST) a
3738# define DEBUG_l(a) if (DEBUG_l_TEST) a
3739# define DEBUG_t(a) if (DEBUG_t_TEST) a
3740# define DEBUG_o(a) if (DEBUG_o_TEST) a
3741# define DEBUG_c(a) if (DEBUG_c_TEST) a
3742# define DEBUG_P(a) if (DEBUG_P_TEST) a
3743
969058bb
VK		 3744 /* Temporarily turn off memory debugging in case the a
3745 * does memory allocation, either directly or indirectly. */
acfe0abc 3746# define DEBUG_m(a) \
0b250b9e 3747 STMT_START { \
aea4f609 3748 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3749 } STMT_END
aea4f609 3750
5f80b19c
AMS		 3751# define DEBUG__(t, a) \
3752 STMT_START { \
3753 if (t) STMT_START {a;} STMT_END; \
3754 } STMT_END
3755
3756# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3757#ifndef PERL_EXT_RE_BUILD
5f80b19c 3758# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3759#else
3760# define DEBUG_r(a) STMT_START {a;} STMT_END
3761#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3762# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3763# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3764# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3765# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3766# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3767# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3768# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3769# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3770# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3771
5f80b19c
AMS		 3772# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3773# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3774# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3775# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3776# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3777# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3778# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3779# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM		 3780
3781#else /* DEBUGGING */
3782
3783# define DEBUG_p_TEST (0)
3784# define DEBUG_s_TEST (0)
3785# define DEBUG_l_TEST (0)
3786# define DEBUG_t_TEST (0)
3787# define DEBUG_o_TEST (0)
3788# define DEBUG_c_TEST (0)
3789# define DEBUG_P_TEST (0)
3790# define DEBUG_m_TEST (0)
3791# define DEBUG_f_TEST (0)
3792# define DEBUG_r_TEST (0)
3793# define DEBUG_x_TEST (0)
3794# define DEBUG_u_TEST (0)
88d2d28a 3795# define DEBUG_U_TEST (0)
aea4f609
DM		 3796# define DEBUG_H_TEST (0)
3797# define DEBUG_X_TEST (0)
3798# define DEBUG_D_TEST (0)
aea4f609 3799# define DEBUG_T_TEST (0)
04932ac8 3800# define DEBUG_R_TEST (0)
1045810a 3801# define DEBUG_J_TEST (0)
d6721266 3802# define DEBUG_v_TEST (0)
46187eeb 3803# define DEBUG_C_TEST (0)
ecae49c0
NC		 3804# define DEBUG_A_TEST (0)
3805# define DEBUG_q_TEST (0)
d7c0d282 3806# define DEBUG_M_TEST (0)
cc8773c0 3807# define DEBUG_B_TEST (0)
7949c6f5
JC		 3808# define DEBUG_Xv_TEST (0)
3809# define DEBUG_Uv_TEST (0)
ad9e76a8 3810# define DEBUG_Pv_TEST (0)
aea4f609 3811
488b0c7a
JH		 3812# define PERL_DEB(a)
3813# define PERL_DEBUG(a)
aea4f609
DM		 3814# define DEBUG_p(a)
3815# define DEBUG_s(a)
3816# define DEBUG_l(a)
3817# define DEBUG_t(a)
3818# define DEBUG_o(a)
3819# define DEBUG_c(a)
3820# define DEBUG_P(a)
3821# define DEBUG_m(a)
3822# define DEBUG_f(a)
3823# define DEBUG_r(a)
3824# define DEBUG_x(a)
3825# define DEBUG_u(a)
88d2d28a 3826# define DEBUG_U(a)
aea4f609
DM		 3827# define DEBUG_H(a)
3828# define DEBUG_X(a)
3829# define DEBUG_D(a)
aea4f609 3830# define DEBUG_T(a)
04932ac8 3831# define DEBUG_R(a)
d6721266 3832# define DEBUG_v(a)
46187eeb 3833# define DEBUG_C(a)
ecae49c0
NC		 3834# define DEBUG_A(a)
3835# define DEBUG_q(a)
d7c0d282 3836# define DEBUG_M(a)
cc8773c0 3837# define DEBUG_B(a)
7949c6f5
JC		 3838# define DEBUG_Xv(a)
3839# define DEBUG_Uv(a)
ad9e76a8 3840# define DEBUG_Pv(a)
aea4f609
DM		 3841#endif /* DEBUGGING */
3842
3843
b4ab917c 3844#define DEBUG_SCOPE(where) \
d9f81b50 3845 DEBUG_l( \
1c98cc53
DM		 3846 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
3847 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
d9f81b50 3848 __FILE__, __LINE__));
b4ab917c
DM		 3849
3850
3851
3852
d1be9408 3853/* These constants should be used in preference to raw characters
14befaf4
DM		 3854 * when using magic. Note that some perl guts still assume
3855 * certain character properties of these constants, namely that
3856 * isUPPER() and toLOWER() may do useful mappings.
3857 *
3858 * Update the magic_names table in dump.c when adding/amending these
3859 */
3860
3861#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3862#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3863#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3864#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3865#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3866#define PERL_MAGIC_regdata 'D' /* Regex match position data
3867 (@+ and @- vars) */
3868#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3869#define PERL_MAGIC_env 'E' /* %ENV hash */
3870#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3871#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3872#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
b3ca2e83
NC		 3873#define PERL_MAGIC_hints 'H' /* %^H hash */
3874#define PERL_MAGIC_hintselem 'h' /* %^H hash element */
14befaf4
DM		 3875#define PERL_MAGIC_isa 'I' /* @ISA array */
3876#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3877#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3878#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3879#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3880#define PERL_MAGIC_shared 'N' /* Shared between threads */
3881#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3882#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3883#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3884#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3885#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3886#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3887#define PERL_MAGIC_sig 'S' /* %SIG hash */
3888#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3889#define PERL_MAGIC_taint 't' /* Taintedness */
3890#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3891#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3892#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3893#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3894#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3895#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3896#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3897 smart parameter vivification */
14befaf4
DM		 3898#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3899#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3900#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3901#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3902#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3903#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4 3904#define PERL_MAGIC_ext '~' /* Available for use by extensions */
d9088386 3905#define PERL_MAGIC_checkcall ']' /* inlining/mutation of call to this CV */
14befaf4 3906
de84dc04
NC		 3907#if defined(DEBUGGING) && defined(I_ASSERT)
3908# include <assert.h>
3909#endif
3910
3911/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3912 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3913
de84dc04 3914#define Perl_assert(what) PERL_DEB( \
2b057284 3915 ((what) ? ((void) 0) : \
67eb4d30 3916 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3917 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3918 (void) 0)))
de84dc04
NC		 3919
3920#ifndef assert
3921# define assert(what) Perl_assert(what)
a446a88f 3922#endif
8d063cd8 3923
450a55e4 3924struct ufuncs {
24f81a43
DM		 3925 I32 (*uf_val)(pTHX_ IV, SV*);
3926 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3927 IV uf_index;
450a55e4
LW		 3928};
3929
14befaf4 3930/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3931 * XS code wanting to be backward compatible can do something
3932 * like the following:
c745e42c 3933
24f81a43 3934#ifndef PERL_MG_UFUNC
24f81a43
DM		 3935#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3936#endif
3937
3938static PERL_MG_UFUNC(foo_get, index, val)
3939{
3940 sv_setsv(val, ...);
3941 return TRUE;
3942}
3943
3944-- Doug MacEachern
3945
3946*/
3947
fc9c74e6 3948#ifndef PERL_MG_UFUNC
24f81a43 3949#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3950#endif
24f81a43 3951
fe14fcc3 3952/* Fix these up for __STDC__ */
68dc0745 3953#ifndef DONT_DECLARE_STD
20ce7b12 3954char *mktemp (char*);
37bd1396 3955#ifndef atof
20ce7b12 3956double atof (const char*);
a0d0e21e 3957#endif
37bd1396 3958#endif
79072805 3959
352d5a3a 3960#ifndef STANDARD_C
fe14fcc3 3961/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3962Time_t time();
8d063cd8 3963struct tm *gmtime(), *localtime();
092bebab 3964#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3965char *(strchr)(), *(strrchr)();
3966char *(strcpy)(), *(strcat)();
3967#else
93a17b20 3968char *strchr(), *strrchr();
378cc40b 3969char *strcpy(), *strcat();
9d116dd7 3970#endif
352d5a3a 3971#endif /* ! STANDARD_C */
8d063cd8 3972
79072805
LW		 3973
3974#ifdef I_MATH
3975# include <math.h>
3976#else
32f822de 3977START_EXTERN_C
20ce7b12
GS		 3978 double exp (double);
3979 double log (double);
3980 double log10 (double);
3981 double sqrt (double);
3982 double frexp (double,int*);
3983 double ldexp (double,int);
3984 double modf (double,double*);
3985 double sin (double);
3986 double cos (double);
3987 double atan2 (double,double);
3988 double pow (double,double);
32f822de 3989END_EXTERN_C
79072805
LW		 3990#endif
3991
aa8b85de
JH		 3992#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3993# define NV_INF LDBL_INFINITY
3994#endif
3995#if !defined(NV_INF) && defined(DBL_INFINITY)
3996# define NV_INF (NV)DBL_INFINITY
3997#endif
3998#if !defined(NV_INF) && defined(INFINITY)
3999# define NV_INF (NV)INFINITY
4000#endif
4001#if !defined(NV_INF) && defined(INF)
4002# define NV_INF (NV)INF
4003#endif
4004#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
4005# define NV_INF (NV)HUGE_VALL
4006#endif
4007#if !defined(NV_INF) && defined(HUGE_VAL)
4008# define NV_INF (NV)HUGE_VAL
4009#endif
4010
4011#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
4012# if !defined(NV_NAN) && defined(LDBL_NAN)
4013# define NV_NAN LDBL_NAN
4014# endif
4015# if !defined(NV_NAN) && defined(LDBL_QNAN)
4016# define NV_NAN LDBL_QNAN
4017# endif
4018# if !defined(NV_NAN) && defined(LDBL_SNAN)
4019# define NV_NAN LDBL_SNAN
4020# endif
4021#endif
4022#if !defined(NV_NAN) && defined(DBL_NAN)
4023# define NV_NAN (NV)DBL_NAN
4024#endif
4025#if !defined(NV_NAN) && defined(DBL_QNAN)
4026# define NV_NAN (NV)DBL_QNAN
4027#endif
4028#if !defined(NV_NAN) && defined(DBL_SNAN)
4029# define NV_NAN (NV)DBL_SNAN
4030#endif
4031#if !defined(NV_NAN) && defined(QNAN)
4032# define NV_NAN (NV)QNAN
4033#endif
4034#if !defined(NV_NAN) && defined(SNAN)
4035# define NV_NAN (NV)SNAN
4036#endif
4037#if !defined(NV_NAN) && defined(NAN)
4038# define NV_NAN (NV)NAN
4039#endif
4040
a0d0e21e 4041#ifndef __cplusplus
8f1f23e8 4042# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 4043char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 4044# else
fd8cd3a3 4045# if !defined(WIN32) && !defined(VMS)
10bc17b6 4046#ifndef crypt
20ce7b12 4047char *crypt (const char*, const char*);
10bc17b6 4048#endif
5014db98 4049# endif /* !WIN32 */
8f1f23e8 4050# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 4051# ifndef DONT_DECLARE_STD
4052# ifndef getenv
20ce7b12 4053char *getenv (const char*);
26618a56 4054# endif /* !getenv */
28ca6303 4055# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 4056# ifdef _FILE_OFFSET_BITS
28ca6303 4057# if _FILE_OFFSET_BITS == 64
20ce7b12 4058Off_t lseek (int,Off_t,int);
0fc67700
JH		 4059# endif
4060# endif
bf0c440f 4061# endif
26618a56 4062# endif /* !DONT_DECLARE_STD */
10bc17b6 4063#ifndef getlogin
20ce7b12 4064char *getlogin (void);
10bc17b6 4065#endif
26618a56 4066#endif /* !__cplusplus */
79072805 4067
7a7fd8e0
JM		 4068/* Fixme on VMS. This needs to be a run-time, not build time options */
4069/* Also rename() is affected by this */
16d20bd9 4070#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 4071#define UNLINK unlnk
083639a9 4072I32 unlnk (pTHX_ const char*);
8d063cd8 4073#else
80252599 4074#define UNLINK PerlLIO_unlink
8d063cd8 4075#endif
a687059c 4076
fa0a29af
JH		 4077/* some versions of glibc are missing the setresuid() proto */
4078#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 4079int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4080#endif
fa0a29af
JH		 4081/* some versions of glibc are missing the setresgid() proto */
4082#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 4083int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4084#endif
4085
fe14fcc3 4086#ifndef HAS_SETREUID
85e6fe83
LW		 4087# ifdef HAS_SETRESUID
4088# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4089# define HAS_SETREUID
4090# endif
a687059c 4091#endif
fe14fcc3 4092#ifndef HAS_SETREGID
85e6fe83
LW		 4093# ifdef HAS_SETRESGID
4094# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4095# define HAS_SETREGID
4096# endif
a687059c 4097#endif
ee0007ab 4098
d543acb6 4099/* Sighandler_t defined in iperlsys.h */
ff68c719 4100
4101#ifdef HAS_SIGACTION
4102typedef struct sigaction Sigsave_t;
4103#else
4104typedef Sighandler_t Sigsave_t;
4105#endif
4106
ee0007ab
LW		 4107#define SCAN_DEF 0
4108#define SCAN_TR 1
4109#define SCAN_REPL 2
79072805
LW		 4110
4111#ifdef DEBUGGING
4633a7c4 4112# ifndef register
a0d0e21e
LW		 4113# define register
4114# endif
cea2e8a9 4115# define RUNOPS_DEFAULT Perl_runops_debug
79072805 4116#else
cea2e8a9 4117# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 4118#endif
4119
6cb8cb21 4120#ifdef USE_PERLIO
0934c9d9 4121EXTERN_C void PerlIO_teardown(void);
2f44961c 4122# ifdef USE_ITHREADS
6cb8cb21
RGS		 4123# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4124# define PERLIO_TERM \
4125 STMT_START { \
d0820ef1 4126 PerlIO_teardown(); \
6cb8cb21
RGS		 4127 MUTEX_DESTROY(&PL_perlio_mutex);\
4128 } STMT_END
4129# else
4130# define PERLIO_INIT
d0820ef1 4131# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 4132# endif
6b29934b
NC		 4133#else
4134# define PERLIO_INIT
4135# define PERLIO_TERM
6cb8cb21
RGS		 4136#endif
4137
18f739ee 4138#ifdef MYMALLOC
772fe5b3 4139# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 4140# define MALLOC_INIT \
4141 STMT_START { \
4142 PL_malloc_mutex = NULL; \
4143 MUTEX_INIT(&PL_malloc_mutex); \
4144 } STMT_END
4145# define MALLOC_TERM \
4146 STMT_START { \
4147 perl_mutex tmp = PL_malloc_mutex; \
4148 PL_malloc_mutex = NULL; \
4149 MUTEX_DESTROY(&tmp); \
4150 } STMT_END
4151# else
4152# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4153# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4154# endif
18f739ee
IZ		 4155#else
4156# define MALLOC_INIT
4157# define MALLOC_TERM
4158#endif
4159
cd1541b2 4160#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 4161
4162struct perl_memory_debug_header;
cd1541b2
NC		 4163struct perl_memory_debug_header {
4164 tTHX interpreter;
4165# ifdef PERL_POISON
4166 MEM_SIZE size;
cd1541b2 4167# endif
7cb608b5
NC		 4168 struct perl_memory_debug_header *prev;
4169 struct perl_memory_debug_header *next;
cd1541b2
NC		 4170};
4171
4172# define sTHX (sizeof(struct perl_memory_debug_header) + \
4173 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4174 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4175
d8fca402
NC		 4176#else
4177# define sTHX 0
cd1541b2
NC		 4178#endif
4179
7cb608b5
NC		 4180#ifdef PERL_TRACK_MEMPOOL
4181# define INIT_TRACK_MEMPOOL(header, interp) \
4182 STMT_START { \
4183 (header).interpreter = (interp); \
4184 (header).prev = (header).next = &(header); \
4185 } STMT_END
4186# else
4187# define INIT_TRACK_MEMPOOL(header, interp)
4188#endif
4189
1cd66f7c
DD		 4190#ifdef I_MALLOCMALLOC
4191/* Needed for malloc_size(), malloc_good_size() on some systems */
4192# include <malloc/malloc.h>
4193#endif
4194
ca7c1a29
NC		 4195#ifdef MYMALLOC
4196# define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
cfe52898 4197#else
e82be400
NC		 4198# ifdef HAS_MALLOC_SIZE
4199# ifdef PERL_TRACK_MEMPOOL
cfe52898
RGS		 4200# define Perl_safesysmalloc_size(where) \
4201 (malloc_size(((char *)(where)) - sTHX) - sTHX)
e82be400
NC		 4202# else
4203# define Perl_safesysmalloc_size(where) malloc_size(where)
4204# endif
4205# endif
4206# ifdef HAS_MALLOC_GOOD_SIZE
4207# ifdef PERL_TRACK_MEMPOOL
d8fca402
NC		 4208# define Perl_malloc_good_size(how_much) \
4209 (malloc_good_size((how_much) + sTHX) - sTHX)
e82be400
NC		 4210# else
4211# define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4212# endif
4213# else
d8fca402
NC		 4214/* Having this as the identity operation makes some code simpler. */
4215# define Perl_malloc_good_size(how_much) (how_much)
e82be400 4216# endif
ca7c1a29 4217#endif
b6d9d515 4218
16c91539
BM		 4219typedef int (*runops_proc_t)(pTHX);
4220typedef void (*share_proc_t) (pTHX_ SV *sv);
4221typedef int (*thrhook_proc_t) (pTHX);
4222typedef OP* (*PPADDR_t[]) (pTHX);
4223typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4224typedef void (*despatch_signals_proc_t) (pTHX);
22c35a8c 4225
8f1f23e8
W		 4226/* NeXT has problems with crt0.o globals */
4227#if defined(__DYNAMIC__) && \
6239f2da 4228 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 4229# if defined(NeXT) || defined(__NeXT)
4230# include <mach-o/dyld.h>
4231# define environ (*environ_pointer)
0c30d9ec 4232EXT char *** environ_pointer;
8f1f23e8 4233# else
6239f2da 4234# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 4235# include <crt_externs.h> /* for the env array */
4236# define environ (*_NSGetEnviron())
4237# endif
0c30d9ec 4238# endif
8f1f23e8
W		 4239#else
4240 /* VMS and some other platforms don't use the environ array */
13b6e58c 4241# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 4242# if !defined(DONT_DECLARE_STD) || \
4243 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
4244 defined(__sgi) || \
d460ef45 4245 defined(__DGUX)
8f1f23e8 4246extern char ** environ; /* environment variables supplied via exec */
a6c40364 4247# endif
8f1f23e8
W		 4248# endif
4249#endif
79072805 4250
73c4f7a1
GS		 4251START_EXTERN_C
4252
79072805 4253/* handy constants */
22c35a8c 4254EXTCONST char PL_warn_uninit[]
29489e7c 4255 INIT("Use of uninitialized value%s%s%s");
22c35a8c 4256EXTCONST char PL_warn_nosemi[]
463ee0b2 4257 INIT("Semicolon seems to be missing");
22c35a8c 4258EXTCONST char PL_warn_reserved[]
463ee0b2 4259 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4260EXTCONST char PL_warn_nl[]
93a17b20 4261 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4262EXTCONST char PL_no_wrongref[]
a0d0e21e 4263 INIT("Can't use %s ref as %s ref");
def89bff
NC		 4264/* The core no longer needs these here. If you require the string constant,
4265 please inline a copy into your own code. */
973a7615
NC		 4266EXTCONST char PL_no_symref[] __attribute__deprecated__
4267 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
def89bff
NC		 4268EXTCONST char PL_no_symref_sv[] __attribute__deprecated__
4269 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 4270EXTCONST char PL_no_usym[]
8990e307 4271 INIT("Can't use an undefined value as %s reference");
22c35a8c 4272EXTCONST char PL_no_aelem[]
93a17b20 4273 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4274EXTCONST char PL_no_helem_sv[]
d04ff51e 4275 INIT("Modification of non-creatable hash value attempted, subscript \"%"SVf"\"");
22c35a8c 4276EXTCONST char PL_no_modify[]
93a17b20 4277 INIT("Modification of a read-only value attempted");
22c35a8c 4278EXTCONST char PL_no_mem[]
93a17b20 4279 INIT("Out of memory!\n");
22c35a8c 4280EXTCONST char PL_no_security[]
463ee0b2 4281 INIT("Insecure dependency in %s%s");
22c35a8c 4282EXTCONST char PL_no_sock_func[]
93a17b20 4283 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4284EXTCONST char PL_no_dir_func[]
93a17b20 4285 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4286EXTCONST char PL_no_func[]
93a17b20 4287 INIT("The %s function is unimplemented");
22c35a8c 4288EXTCONST char PL_no_myglob[]
952306ac 4289 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 4290EXTCONST char PL_no_localize_ref[]
4291 INIT("Can't localize through a reference");
27d5b266
JH		 4292EXTCONST char PL_memory_wrap[]
4293 INIT("panic: memory wrap");
93a17b20 4294
618b9757
NC		 4295#ifdef CSH
4296EXTCONST char PL_cshname[]
4297 INIT(CSH);
4298# define PL_cshlen (sizeof(CSH "") - 1)
4299#endif
4300
7575fa06 4301EXTCONST char PL_uuemap[65]
80252599
GS		 4302 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4303
79072805 4304#ifdef DOINIT
9444d213
NC		 4305EXTCONST char PL_uudmap[256] =
4306#include "uudmap.h"
4307;
efa50c51 4308EXTCONST char PL_bitcount[256] =
efa50c51
NC		 4309# include "bitcount.h"
4310;
27da23d5
JH		 4311EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4312EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4313#else
9444d213 4314EXTCONST char PL_uudmap[256];
efa50c51 4315EXTCONST char PL_bitcount[256];
27da23d5
JH		 4316EXTCONST char* const PL_sig_name[];
4317EXTCONST int PL_sig_num[];
79072805
LW		 4318#endif
4319
6d8e7a01
KW		 4320/* fast conversion and case folding tables. The folding tables complement the
4321 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4322 * folds such as outside the range or to multiple characters. */
bbce6d69 4323
79072805 4324#ifdef DOINIT
d02f4dad
KW		 4325#ifndef EBCDIC
4326
4327/* The EBCDIC fold table depends on the code page, and hence is found in
4328 * utfebcdic.h */
4329
22c35a8c 4330EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4331 0, 1, 2, 3, 4, 5, 6, 7,
4332 8, 9, 10, 11, 12, 13, 14, 15,
4333 16, 17, 18, 19, 20, 21, 22, 23,
4334 24, 25, 26, 27, 28, 29, 30, 31,
4335 32, 33, 34, 35, 36, 37, 38, 39,
4336 40, 41, 42, 43, 44, 45, 46, 47,
4337 48, 49, 50, 51, 52, 53, 54, 55,
4338 56, 57, 58, 59, 60, 61, 62, 63,
4339 64, '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', 91, 92, 93, 94, 95,
4343 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4344 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4345 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4346 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4347 128, 129, 130, 131, 132, 133, 134, 135,
4348 136, 137, 138, 139, 140, 141, 142, 143,
4349 144, 145, 146, 147, 148, 149, 150, 151,
4350 152, 153, 154, 155, 156, 157, 158, 159,
4351 160, 161, 162, 163, 164, 165, 166, 167,
4352 168, 169, 170, 171, 172, 173, 174, 175,
4353 176, 177, 178, 179, 180, 181, 182, 183,
4354 184, 185, 186, 187, 188, 189, 190, 191,
4355 192, 193, 194, 195, 196, 197, 198, 199,
4356 200, 201, 202, 203, 204, 205, 206, 207,
4357 208, 209, 210, 211, 212, 213, 214, 215,
4358 216, 217, 218, 219, 220, 221, 222, 223,
4359 224, 225, 226, 227, 228, 229, 230, 231,
4360 232, 233, 234, 235, 236, 237, 238, 239,
4361 240, 241, 242, 243, 244, 245, 246, 247,
4362 248, 249, 250, 251, 252, 253, 254, 255
4363};
3871f40b
KW		 4364EXTCONST unsigned char PL_fold_latin1[] = {
4365 /* Full latin1 complement folding, except for three problematic code points:
4366 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4367 * fold complements outside the Latin1 range, so can't match something
4368 * that isn't in utf8.
4369 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4370 * not one, so can't be represented in this table.
4371 *
4372 * All have to be specially handled */
4373 0, 1, 2, 3, 4, 5, 6, 7,
4374 8, 9, 10, 11, 12, 13, 14, 15,
4375 16, 17, 18, 19, 20, 21, 22, 23,
4376 24, 25, 26, 27, 28, 29, 30, 31,
4377 32, 33, 34, 35, 36, 37, 38, 39,
4378 40, 41, 42, 43, 44, 45, 46, 47,
4379 48, 49, 50, 51, 52, 53, 54, 55,
4380 56, 57, 58, 59, 60, 61, 62, 63,
4381 64, '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', 91, 92, 93, 94, 95,
4385 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4386 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4387 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4388 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4389 128, 129, 130, 131, 132, 133, 134, 135,
4390 136, 137, 138, 139, 140, 141, 142, 143,
4391 144, 145, 146, 147, 148, 149, 150, 151,
4392 152, 153, 154, 155, 156, 157, 158, 159,
4393 160, 161, 162, 163, 164, 165, 166, 167,
4394 168, 169, 170, 171, 172, 173, 174, 175,
4395 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4396 184, 185, 186, 187, 188, 189, 190, 191,
4397 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4398 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4399 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4400 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4401 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4402 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4403 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4404 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4405 255 /* y with diaeresis */
4406};
00f254e2
KW		 4407#endif /* !EBCDIC, but still in DOINIT */
4408
4409/* If these tables are accessed through ebcdic, the access will be converted to
4410 * latin1 first */
4411EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4412 0, 1, 2, 3, 4, 5, 6, 7,
4413 8, 9, 10, 11, 12, 13, 14, 15,
4414 16, 17, 18, 19, 20, 21, 22, 23,
4415 24, 25, 26, 27, 28, 29, 30, 31,
4416 32, 33, 34, 35, 36, 37, 38, 39,
4417 40, 41, 42, 43, 44, 45, 46, 47,
4418 48, 49, 50, 51, 52, 53, 54, 55,
4419 56, 57, 58, 59, 60, 61, 62, 63,
4420 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4421 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4422 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4423 'x', 'y', 'z', 91, 92, 93, 94, 95,
4424 96, 97, 98, 99, 100, 101, 102, 103,
4425 104, 105, 106, 107, 108, 109, 110, 111,
4426 112, 113, 114, 115, 116, 117, 118, 119,
4427 120, 121, 122, 123, 124, 125, 126, 127,
4428 128, 129, 130, 131, 132, 133, 134, 135,
4429 136, 137, 138, 139, 140, 141, 142, 143,
4430 144, 145, 146, 147, 148, 149, 150, 151,
4431 152, 153, 154, 155, 156, 157, 158, 159,
4432 160, 161, 162, 163, 164, 165, 166, 167,
4433 168, 169, 170, 171, 172, 173, 174, 175,
4434 176, 177, 178, 179, 180, 181, 182, 183,
4435 184, 185, 186, 187, 188, 189, 190, 191,
4436 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4437 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4438 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4439 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4440 224, 225, 226, 227, 228, 229, 230, 231,
4441 232, 233, 234, 235, 236, 237, 238, 239,
4442 240, 241, 242, 243, 244, 245, 246, 247,
4443 248, 249, 250, 251, 252, 253, 254, 255
4444};
4445
4446/* upper and title case of latin1 characters, modified so that the three tricky
4447 * ones are mapped to 255 (which is one of the three) */
4448EXTCONST unsigned char PL_mod_latin1_uc[] = {
4449 0, 1, 2, 3, 4, 5, 6, 7,
4450 8, 9, 10, 11, 12, 13, 14, 15,
4451 16, 17, 18, 19, 20, 21, 22, 23,
4452 24, 25, 26, 27, 28, 29, 30, 31,
4453 32, 33, 34, 35, 36, 37, 38, 39,
4454 40, 41, 42, 43, 44, 45, 46, 47,
4455 48, 49, 50, 51, 52, 53, 54, 55,
4456 56, 57, 58, 59, 60, 61, 62, 63,
4457 64, 65, 66, 67, 68, 69, 70, 71,
4458 72, 73, 74, 75, 76, 77, 78, 79,
4459 80, 81, 82, 83, 84, 85, 86, 87,
4460 88, 89, 90, 91, 92, 93, 94, 95,
4461 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4462 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4463 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4464 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4465 128, 129, 130, 131, 132, 133, 134, 135,
4466 136, 137, 138, 139, 140, 141, 142, 143,
4467 144, 145, 146, 147, 148, 149, 150, 151,
4468 152, 153, 154, 155, 156, 157, 158, 159,
4469 160, 161, 162, 163, 164, 165, 166, 167,
4470 168, 169, 170, 171, 172, 173, 174, 175,
4471 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4472 184, 185, 186, 187, 188, 189, 190, 191,
4473 192, 193, 194, 195, 196, 197, 198, 199,
4474 200, 201, 202, 203, 204, 205, 206, 207,
4475 208, 209, 210, 211, 212, 213, 214, 215,
4476 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/,
4477 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4478 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4479 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4480 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4481};
4482#else /* ! DOINIT */
22c35a8c 4483EXTCONST unsigned char PL_fold[];
3871f40b 4484EXTCONST unsigned char PL_fold_latin1[];
00f254e2
KW		 4485EXTCONST unsigned char PL_mod_latin1_uc[];
4486EXTCONST unsigned char PL_latin1_lc[];
79072805
LW		 4487#endif
4488
27da23d5 4489#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4490#ifdef DOINIT
27da23d5 4491EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4492 0, 1, 2, 3, 4, 5, 6, 7,
4493 8, 9, 10, 11, 12, 13, 14, 15,
4494 16, 17, 18, 19, 20, 21, 22, 23,
4495 24, 25, 26, 27, 28, 29, 30, 31,
4496 32, 33, 34, 35, 36, 37, 38, 39,
4497 40, 41, 42, 43, 44, 45, 46, 47,
4498 48, 49, 50, 51, 52, 53, 54, 55,
4499 56, 57, 58, 59, 60, 61, 62, 63,
4500 64, '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', 91, 92, 93, 94, 95,
4504 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4505 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4506 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4507 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4508 128, 129, 130, 131, 132, 133, 134, 135,
4509 136, 137, 138, 139, 140, 141, 142, 143,
4510 144, 145, 146, 147, 148, 149, 150, 151,
4511 152, 153, 154, 155, 156, 157, 158, 159,
4512 160, 161, 162, 163, 164, 165, 166, 167,
4513 168, 169, 170, 171, 172, 173, 174, 175,
4514 176, 177, 178, 179, 180, 181, 182, 183,
4515 184, 185, 186, 187, 188, 189, 190, 191,
4516 192, 193, 194, 195, 196, 197, 198, 199,
4517 200, 201, 202, 203, 204, 205, 206, 207,
4518 208, 209, 210, 211, 212, 213, 214, 215,
4519 216, 217, 218, 219, 220, 221, 222, 223,
4520 224, 225, 226, 227, 228, 229, 230, 231,
4521 232, 233, 234, 235, 236, 237, 238, 239,
4522 240, 241, 242, 243, 244, 245, 246, 247,
4523 248, 249, 250, 251, 252, 253, 254, 255
4524};
4525#else
27da23d5 4526EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4527#endif
27da23d5 4528#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4529
4530#ifdef DOINIT
9d116dd7 4531#ifdef EBCDIC
27da23d5 4532EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4533 1, 2, 84, 151, 154, 155, 156, 157,
4534 165, 246, 250, 3, 158, 7, 18, 29,
4535 40, 51, 62, 73, 85, 96, 107, 118,
4536 129, 140, 147, 148, 149, 150, 152, 153,
4537 255, 6, 8, 9, 10, 11, 12, 13,
4538 14, 15, 24, 25, 26, 27, 28, 226,
4539 29, 30, 31, 32, 33, 43, 44, 45,
4540 46, 47, 48, 49, 50, 76, 77, 78,
4541 79, 80, 81, 82, 83, 84, 85, 86,
4542 87, 94, 95, 234, 181, 233, 187, 190,
4543 180, 96, 97, 98, 99, 100, 101, 102,
4544 104, 112, 182, 174, 236, 232, 229, 103,
4545 228, 226, 114, 115, 116, 117, 118, 119,
4546 120, 121, 122, 235, 176, 230, 194, 162,
4547 130, 131, 132, 133, 134, 135, 136, 137,
4548 138, 139, 201, 205, 163, 217, 220, 224,
4549 5, 248, 227, 244, 242, 255, 241, 231,
4550 240, 253, 16, 197, 19, 20, 21, 187,
4551 23, 169, 210, 245, 237, 249, 247, 239,
4552 168, 252, 34, 196, 36, 37, 38, 39,
4553 41, 42, 251, 254, 238, 223, 221, 213,
4554 225, 177, 52, 53, 54, 55, 56, 57,
4555 58, 59, 60, 61, 63, 64, 65, 66,
4556 67, 68, 69, 70, 71, 72, 74, 75,
4557 205, 208, 186, 202, 200, 218, 198, 179,
4558 178, 214, 88, 89, 90, 91, 92, 93,
4559 217, 166, 170, 207, 199, 209, 206, 204,
4560 160, 212, 105, 106, 108, 109, 110, 111,
4561 203, 113, 216, 215, 192, 175, 193, 243,
4562 172, 161, 123, 124, 125, 126, 127, 128,
4563 222, 219, 211, 195, 188, 193, 185, 184,
4564 191, 183, 141, 142, 143, 144, 145, 146
4565};
4566#else /* ascii rather than ebcdic */
22c35a8c 4567EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4568 1, 2, 84, 151, 154, 155, 156, 157,
4569 165, 246, 250, 3, 158, 7, 18, 29,
4570 40, 51, 62, 73, 85, 96, 107, 118,
4571 129, 140, 147, 148, 149, 150, 152, 153,
4572 255, 182, 224, 205, 174, 176, 180, 217,
4573 233, 232, 236, 187, 235, 228, 234, 226,
4574 222, 219, 211, 195, 188, 193, 185, 184,
4575 191, 183, 201, 229, 181, 220, 194, 162,
4576 163, 208, 186, 202, 200, 218, 198, 179,
4577 178, 214, 166, 170, 207, 199, 209, 206,
4578 204, 160, 212, 216, 215, 192, 175, 173,
4579 243, 172, 161, 190, 203, 189, 164, 230,
4580 167, 248, 227, 244, 242, 255, 241, 231,
4581 240, 253, 169, 210, 245, 237, 249, 247,
4582 239, 168, 252, 251, 254, 238, 223, 221,
4583 213, 225, 177, 197, 171, 196, 159, 4,
4584 5, 6, 8, 9, 10, 11, 12, 13,
4585 14, 15, 16, 17, 19, 20, 21, 22,
4586 23, 24, 25, 26, 27, 28, 30, 31,
4587 32, 33, 34, 35, 36, 37, 38, 39,
4588 41, 42, 43, 44, 45, 46, 47, 48,
4589 49, 50, 52, 53, 54, 55, 56, 57,
4590 58, 59, 60, 61, 63, 64, 65, 66,
4591 67, 68, 69, 70, 71, 72, 74, 75,
4592 76, 77, 78, 79, 80, 81, 82, 83,
4593 86, 87, 88, 89, 90, 91, 92, 93,
4594 94, 95, 97, 98, 99, 100, 101, 102,
4595 103, 104, 105, 106, 108, 109, 110, 111,
4596 112, 113, 114, 115, 116, 117, 119, 120,
4597 121, 122, 123, 124, 125, 126, 127, 128,
4598 130, 131, 132, 133, 134, 135, 136, 137,
4599 138, 139, 141, 142, 143, 144, 145, 146
4600};
9d116dd7 4601#endif
79072805 4602#else
22c35a8c 4603EXTCONST unsigned char PL_freq[];
79072805
LW		 4604#endif
4605
8990e307
LW		 4606#ifdef DEBUGGING
4607#ifdef DOINIT
27da23d5 4608EXTCONST char* const PL_block_type[] = {
8990e307 4609 "NULL",
d01136d6 4610 "WHEN",
8990e307 4611 "BLOCK",
0d863452 4612 "GIVEN",
d01136d6
BS		 4613 "LOOP_FOR",
4614 "LOOP_PLAIN",
4615 "LOOP_LAZYSV",
4616 "LOOP_LAZYIV",
76753e7f
NC		 4617 "SUB",
4618 "FORMAT",
4619 "EVAL",
4620 "SUBST"
8990e307
LW		 4621};
4622#else
22c35a8c 4623EXTCONST char* PL_block_type[];
8990e307
LW		 4624#endif
4625#endif
4626
b75885fd
NC		 4627/* These are all the compile time options that affect binary compatibility.
4628 Other compile time options that are binary compatible are in perl.c
4629 Both are combined for the output of perl -V
4630 However, this string will be embedded in any shared perl library, which will
4631 allow us add a comparison check in perlmain.c in the near future. */
4632#ifdef DOINIT
4633EXTCONST char PL_bincompat_options[] =
4634# ifdef DEBUG_LEAKING_SCALARS
4635 " DEBUG_LEAKING_SCALARS"
4636# endif
4637# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4638 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4639# endif
4640# ifdef FAKE_THREADS
4641 " FAKE_THREADS"
4642# endif
4643# ifdef MULTIPLICITY
4644 " MULTIPLICITY"
4645# endif
4646# ifdef MYMALLOC
4647 " MYMALLOC"
4648# endif
4649# ifdef PERL_DEBUG_READONLY_OPS
4650 " PERL_DEBUG_READONLY_OPS"
4651# endif
4652# ifdef PERL_GLOBAL_STRUCT
4653 " PERL_GLOBAL_STRUCT"
4654# endif
4655# ifdef PERL_IMPLICIT_CONTEXT
4656 " PERL_IMPLICIT_CONTEXT"
4657# endif
4658# ifdef PERL_IMPLICIT_SYS
4659 " PERL_IMPLICIT_SYS"
4660# endif
4661# ifdef PERL_MAD
4662 " PERL_MAD"
4663# endif
4664# ifdef PERL_NEED_APPCTX
4665 " PERL_NEED_APPCTX"
4666# endif
4667# ifdef PERL_NEED_TIMESBASE
4668 " PERL_NEED_TIMESBASE"
4669# endif
4670# ifdef PERL_OLD_COPY_ON_WRITE
4671 " PERL_OLD_COPY_ON_WRITE"
4672# endif
4673# ifdef PERL_POISON
4674 " PERL_POISON"
4675# endif
4676# ifdef PERL_TRACK_MEMPOOL
4677 " PERL_TRACK_MEMPOOL"
4678# endif
4679# ifdef PERL_USES_PL_PIDSTATUS
4680 " PERL_USES_PL_PIDSTATUS"
4681# endif
4682# ifdef PL_OP_SLAB_ALLOC
4683 " PL_OP_SLAB_ALLOC"
4684# endif
4685# ifdef THREADS_HAVE_PIDS
4686 " THREADS_HAVE_PIDS"
4687# endif
4688# ifdef USE_64_BIT_ALL
4689 " USE_64_BIT_ALL"
4690# endif
4691# ifdef USE_64_BIT_INT
4692 " USE_64_BIT_INT"
4693# endif
c7b392fa
NC		 4694# ifdef USE_IEEE
4695 " USE_IEEE"
4696# endif
b75885fd
NC		 4697# ifdef USE_ITHREADS
4698 " USE_ITHREADS"
4699# endif
4700# ifdef USE_LARGE_FILES
4701 " USE_LARGE_FILES"
4702# endif
4703# ifdef USE_LONG_DOUBLE
4704 " USE_LONG_DOUBLE"
4705# endif
4706# ifdef USE_PERLIO
4707 " USE_PERLIO"
4708# endif
4709# ifdef USE_REENTRANT_API
4710 " USE_REENTRANT_API"
4711# endif
4712# ifdef USE_SFIO
4713 " USE_SFIO"
4714# endif
4715# ifdef USE_SOCKS
4716 " USE_SOCKS"
4717# endif
4f575702
CB		 4718# ifdef VMS_DO_SOCKETS
4719 " VMS_DO_SOCKETS"
4720# ifdef DECCRTL_SOCKETS
4721 " DECCRTL_SOCKETS"
4722# endif
4723# endif
4724# ifdef VMS_WE_ARE_CASE_SENSITIVE
4725 " VMS_SYMBOL_CASE_AS_IS"
4726# endif
e8b231c6
CB		 4727# ifdef VMS_SHORTEN_LONG_SYMBOLS
4728 " VMS_SHORTEN_LONG_SYMBOLS"
4729# endif
a68dd89e 4730 "";
b75885fd
NC		 4731#else
4732EXTCONST char PL_bincompat_options[];
4733#endif
4734
9ebf26ad
FR		 4735/* The interpreter phases. If these ever change, PL_phase_names right below will
4736 * need to be updated accordingly. */
4737enum perl_phase {
4738 PERL_PHASE_CONSTRUCT = 0,
4739 PERL_PHASE_START = 1,
4740 PERL_PHASE_CHECK = 2,
4741 PERL_PHASE_INIT = 3,
4742 PERL_PHASE_RUN = 4,
4743 PERL_PHASE_END = 5,
4744 PERL_PHASE_DESTRUCT = 6
4745};
4746
4747#ifdef DOINIT
4748EXTCONST char *const PL_phase_names[] = {
4749 "CONSTRUCT",
4750 "START",
4751 "CHECK",
4752 "INIT",
4753 "RUN",
4754 "END",
4755 "DESTRUCT"
4756};
4757#else
4758EXTCONST char *const PL_phase_names[];
4759#endif
4760
627364f1
FR		 4761#ifndef PERL_CORE
4762/* Do not use this macro. It only exists for extensions that rely on PL_dirty
4763 * instead of using the newer PL_phase, which provides everything PL_dirty
4764 * provided, and more. */
4765# define PL_dirty (PL_phase == PERL_PHASE_DESTRUCT)
4766#endif /* !PERL_CORE */
4767
73c4f7a1
GS		 4768END_EXTERN_C
4769
79072805
LW		 4770/*****************************************************************************/
4771/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4772/*****************************************************************************/
8990e307 4773/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4774
d4c3c482 4775#ifdef __Lynx__
9cffb111
OS		 4776/* LynxOS defines these in scsi.h which is included via ioctl.h */
4777#ifdef FORMAT
4778#undef FORMAT
4779#endif
4780#ifdef SPACE
4781#undef SPACE
4782#endif
d4c3c482 4783#endif
9cffb111 4784
fb73857a 4785#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4786
79072805
LW		 4787typedef enum {
4788 XOPERATOR,
4789 XTERM,
79072805 4790 XREF,
8990e307 4791 XSTATE,
a0d0e21e 4792 XBLOCK,
09bef843
SB		 4793 XATTRBLOCK,
4794 XATTRTERM,
6f33ba73
RGS		 4795 XTERMBLOCK,
4796 XTERMORDORDOR /* evil hack */
27308ded 4797 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4798} expectation;
4799
dc9e4912
GS		 4800enum { /* pass one of these to get_vtbl */
4801 want_vtbl_sv,
4802 want_vtbl_env,
4803 want_vtbl_envelem,
4804 want_vtbl_sig,
4805 want_vtbl_sigelem,
4806 want_vtbl_pack,
4807 want_vtbl_packelem,
4808 want_vtbl_dbline,
4809 want_vtbl_isa,
4810 want_vtbl_isaelem,
4811 want_vtbl_arylen,
4812 want_vtbl_glob,
4813 want_vtbl_mglob,
4814 want_vtbl_nkeys,
4815 want_vtbl_taint,
4816 want_vtbl_substr,
4817 want_vtbl_vec,
4818 want_vtbl_pos,
4819 want_vtbl_bm,
4820 want_vtbl_fm,
4821 want_vtbl_uvar,
4822 want_vtbl_defelem,
4823 want_vtbl_regexp,
4824 want_vtbl_collxfrm,
4825 want_vtbl_amagic,
4826 want_vtbl_amagicelem,
dc9e4912 4827 want_vtbl_regdata,
810b8aa5 4828 want_vtbl_regdatum,
7e8c5dac 4829 want_vtbl_backref,
8d2f4536 4830 want_vtbl_utf8,
83bf042f 4831 want_vtbl_symtab,
b3ca2e83 4832 want_vtbl_arylen_p,
f747ebd6
Z		 4833 want_vtbl_hintselem,
4834 want_vtbl_hints
dc9e4912
GS		 4835};
4836
d5ec2987
NC		 4837
4838/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4839 special and there is no need for HINT_PRIVATE_MASK for COPs
4840 However, bitops store HINT_INTEGER in their op_private. */
9cfe5470
RGS		 4841#define HINT_INTEGER 0x00000001 /* integer pragma */
4842#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4843#define HINT_LOCALE 0x00000004 /* locale pragma */
4844#define HINT_BYTES 0x00000008 /* bytes pragma */
7b0bddfa 4845#define HINT_ARYBASE 0x00000010 /* $[ is non-zero */
a0ed51b3 4846 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 4847 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 4848
4849#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4850#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4851#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
1863b879 4852#define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */
85e6fe83 4853
9cfe5470 4854/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4855#define HINT_NEW_INTEGER 0x00001000
4856#define HINT_NEW_FLOAT 0x00002000
4857#define HINT_NEW_BINARY 0x00004000
4858#define HINT_NEW_STRING 0x00008000
4859#define HINT_NEW_RE 0x00010000
4860#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 4861#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4862#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 4863
9cfe5470
RGS		 4864#define HINT_RE_TAINT 0x00100000 /* re pragma */
4865#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4866
9cfe5470
RGS		 4867#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4868#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4869
e46c382e
YK		 4870#define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
4871
1e215989
FC		 4872#define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */
4873
0239f47c 4874/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4875#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4876#define HINT_SORT_QUICKSORT 0x00000001
4877#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4878#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4879
8bfdd7d9 4880/* Various states of the input record separator SV (rs) */
d4cce5f1 4881#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4882#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4883#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4884#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4885
128e8167 4886/* A struct for keeping various DEBUGGING related stuff,
ce333219 4887 * neatly packed. Currently only scratch variables for
128e8167
JH		 4888 * constructing debug output are included. Needed always,
4889 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4890struct perl_debug_pad {
4891 SV pad[3];
4892};
4893
4894#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4895#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4896 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4897 PERL_DEBUG_PAD(i))
ce333219 4898
56953603 4899/* Enable variables which are pointers to functions */
16c91539
BM		 4900typedef void (*peep_t)(pTHX_ OP* o);
4901typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm);
4902typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg,
0cb96387
GS		 4903 char* strend, char* strbeg, I32 minend,
4904 SV* screamer, void* data, U32 flags);
16c91539 4905typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv,
f722798b
IZ		 4906 char *strpos, char *strend,
4907 U32 flags,
9f61653a 4908 re_scream_pos_data *d);
16c91539
BM		 4909typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog);
4910typedef void (*regfree_t) (pTHX_ struct regexp* r);
4911typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param);
a932d541 4912typedef I32 (*re_fold_t)(const char *, char const *, I32);
56953603 4913
c76ac1ee 4914typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc 4915typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
f30de749 4916typedef void (*SVFUNC_t) (pTHX_ SV* const);
31e9e0a3 4917typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
acfe0abc
GS		 4918typedef void (*XSINIT_t) (pTHX);
4919typedef void (*ATEXIT_t) (pTHX_ void*);
4920typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4921
22239a37
NIS		 4922/* Set up PERLVAR macros for populating structs */
4923#define PERLVAR(var,type) type var;
51371543 4924#define PERLVARA(var,n,type) type var[n];
22239a37 4925#define PERLVARI(var,type,init) type var;
3fe35a81 4926#define PERLVARIC(var,type,init) type var;
27da23d5
JH		 4927#define PERLVARISC(var,init) const char var[sizeof(init)];
4928
16c91539
BM		 4929typedef OP* (*Perl_ppaddr_t)(pTHX);
4930typedef OP* (*Perl_check_t) (pTHX_ OP*);
4931typedef void(*Perl_ophook_t)(pTHX_ OP*);
4932typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**);
1830b3d9 4933typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *);
88e1f1a2
JV		 4934
4935#define KEYWORD_PLUGIN_DECLINE 0
4936#define KEYWORD_PLUGIN_STMT 1
4937#define KEYWORD_PLUGIN_EXPR 2
22239a37 4938
58a50f62
GS		 4939/* Interpreter exitlist entry */
4940typedef struct exitlistentry {
acfe0abc 4941 void (*fn) (pTHX_ void*);
58a50f62
GS		 4942 void *ptr;
4943} PerlExitListEntry;
4944
aadb217d
JH		 4945/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4946/* These have to be before perlvars.h */
4947#if !defined(HAS_SIGACTION) && defined(VMS)
4948# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4949#endif
4950/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4951#if defined(KILL_BY_SIGPRC)
4952# define FAKE_DEFAULT_SIGNAL_HANDLERS
4953#endif
4954
ffee3ff6
NC		 4955#define PERL_PATCHLEVEL_H_IMPLICIT
4956#include "patchlevel.h"
4957#undef PERL_PATCHLEVEL_H_IMPLICIT
4958
d9421656
NC		 4959#define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4960 STRINGIFY(PERL_VERSION) "." \
4961 STRINGIFY(PERL_SUBVERSION)
4962
1e8125c6
FR		 4963#define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4964 STRINGIFY(PERL_API_VERSION) "." \
4965 STRINGIFY(PERL_API_SUBVERSION)
4966
22239a37
NIS		 4967#ifdef PERL_GLOBAL_STRUCT
4968struct perl_vars {
7766f137 4969# include "perlvars.h"
22239a37
NIS		 4970};
4971
7766f137 4972# ifdef PERL_CORE
27da23d5 4973# ifndef PERL_GLOBAL_STRUCT_PRIVATE
533c011a
NIS		 4974EXT struct perl_vars PL_Vars;
4975EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
27da23d5
JH		 4976# undef PERL_GET_VARS
4977# define PERL_GET_VARS() PL_VarsPtr
4978# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
7766f137
GS		 4979# else /* PERL_CORE */
4980# if !defined(__GNUC__) || !defined(WIN32)
22239a37 4981EXT
7766f137 4982# endif /* WIN32 */
533c011a 4983struct perl_vars *PL_VarsPtr;
7766f137
GS		 4984# define PL_Vars (*((PL_VarsPtr) \
4985 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
4986# endif /* PERL_CORE */
22239a37
NIS		 4987#endif /* PERL_GLOBAL_STRUCT */
4988
acfe0abc 4989#if defined(MULTIPLICITY)
d460ef45 4990/* If we have multiple interpreters define a struct
d4cce5f1 4991 holding variables which must be per-interpreter
d460ef45 4992 If we don't have threads anything that would have
d4cce5f1
NIS		 4993 be per-thread is per-interpreter.
4994*/
4995
79072805 4996struct interpreter {
7766f137 4997# include "intrpvar.h"
49f531da 4998};
d4cce5f1 4999
79072805 5000#else
49f531da
NIS		 5001struct interpreter {
5002 char broiled;
5003};
acfe0abc 5004#endif /* MULTIPLICITY */
79072805 5005
22239a37 5006/* Done with PERLVAR macros for now ... */
d4cce5f1 5007#undef PERLVAR
51371543 5008#undef PERLVARA
d4cce5f1 5009#undef PERLVARI
3fe35a81 5010#undef PERLVARIC
27da23d5 5011#undef PERLVARISC
79072805 5012
f7fe979e 5013struct tempsym; /* defined in pp_pack.c */
49704364 5014
22239a37 5015#include "thread.h"
79072805 5016#include "pp.h"
864dbfa3
GS		 5017
5018#ifndef PERL_CALLCONV
a0c21aa1
JH		 5019# ifdef __cplusplus
5020# define PERL_CALLCONV extern "C"
5021# else
5022# define PERL_CALLCONV
5023# endif
d460ef45 5024#endif
0cb96387
GS		 5025#undef PERL_CKDEF
5026#undef PERL_PPDEF
0159f81b
JH		 5027#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
5028#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 5029
158cfab6
JD		 5030#ifdef MYMALLOC
5031# include "malloc_ctl.h"
5032#endif
5033
7766f137 5034#include "proto.h"
864dbfa3 5035
0cb96387 5036/* this has structure inits, so it cannot be included before here */
acfe0abc 5037#include "opcode.h"
864dbfa3 5038
d4cce5f1
NIS		 5039/* The following must follow proto.h as #defines mess up syntax */
5040
22c35a8c
GS		 5041#if !defined(PERL_FOR_X2P)
5042# include "embedvar.h"
5043#endif
598921a7
NC		 5044#ifndef PERL_MAD
5045# undef PL_madskills
5046# undef PL_xmlfp
5047# define PL_madskills 0
5048# define PL_xmlfp 0
5049#endif
d4cce5f1 5050
d460ef45 5051/* Now include all the 'global' variables
d4cce5f1 5052 * If we don't have threads or multiple interpreters
d460ef45 5053 * these include variables that would have been their struct-s
d4cce5f1 5054 */
d460ef45 5055
533c011a 5056#define PERLVAR(var,type) EXT type PL_##var;
51371543 5057#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 5058#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
5059#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
27da23d5 5060#define PERLVARISC(var,init) EXTCONST char PL_##var[sizeof(init)] INIT(init);
d4cce5f1 5061
acfe0abc 5062#if !defined(MULTIPLICITY)
7766f137 5063START_EXTERN_C
066ef5b5 5064# include "intrpvar.h"
7766f137 5065END_EXTERN_C
22239a37
NIS		 5066#endif
5067
24792b8d
NC		 5068#ifdef PERL_CORE
5069/* All core uses now exterminated. Ensure no zombies can return: */
5070# undef PL_na
5071#endif
5072
acfe0abc 5073#if defined(WIN32)
66a93824 5074/* Now all the config stuff is setup we can include embed.h */
22c35a8c 5075# include "embed.h"
eb8433b7
NC		 5076# ifndef PERL_MAD
5077# undef op_getmad
b3f24c00 5078# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 5079# endif
acfe0abc 5080#endif
22239a37 5081
c5be433b
GS		 5082#ifndef PERL_GLOBAL_STRUCT
5083START_EXTERN_C
5084
5085# include "perlvars.h"
5086
5087END_EXTERN_C
5088#endif
5089
d4cce5f1 5090#undef PERLVAR
51371543 5091#undef PERLVARA
d4cce5f1 5092#undef PERLVARI
0f3f18a6 5093#undef PERLVARIC
79072805 5094
73c4f7a1
GS		 5095START_EXTERN_C
5096
bc028b6b
JH		 5097/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
5098 * magic vtables const, but this is incompatible with SWIG which
5099 * does want to modify the vtables. */
5100#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5101# define EXT_MGVTBL EXTCONST MGVTBL
5102#else
5103# define EXT_MGVTBL EXT MGVTBL
5104#endif
5105
79072805 5106#ifdef DOINIT
bc028b6b 5107# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var = {a,b,c,d,e,f,g,h}
2664ba31 5108/* Like MGVTBL_SET but with the get magic having a const MG* */
bc028b6b 5109# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var \
2664ba31 5110 = {(int (*)(pTHX_ SV *, MAGIC *))a,b,c,d,e,f,g,h}
4944113a 5111#else
bc028b6b
JH		 5112# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var
5113# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var
4944113a
AL		 5114#endif
5115
abdc98d4
NC		 5116/* These all need to be 0, not NULL, as NULL can be (void*)0, which is a
5117 * pointer to data, whereas we're assigning pointers to functions, which are
5118 * not the same beast. ANSI doesn't allow the assignment from one to the other.
5119 * (although most, but not all, compilers are prepared to do it)
5120 */
4a75fa1a
DM		 5121
5122/* args are:
5123 vtable
5124 get
5125 set
5126 len
5127 clear
5128 free
5129 copy
5130 dup
5131 local
5132*/
5133
4944113a
AL		 5134MGVTBL_SET(
5135 PL_vtbl_sv,
ef69c8fc
BM		 5136 Perl_magic_get,
5137 Perl_magic_set,
5138 Perl_magic_len,
abdc98d4
NC		 5139 0,
5140 0,
5141 0,
5142 0,
5143 0
4944113a
AL		 5144);
5145
5146MGVTBL_SET(
5147 PL_vtbl_env,
abdc98d4 5148 0,
ef69c8fc 5149 Perl_magic_set_all_env,
abdc98d4 5150 0,
ef69c8fc 5151 Perl_magic_clear_all_env,
abdc98d4
NC		 5152 0,
5153 0,
5154 0,
5155 0
4944113a
AL		 5156);
5157
5158MGVTBL_SET(
5159 PL_vtbl_envelem,
abdc98d4 5160 0,
ef69c8fc 5161 Perl_magic_setenv,
abdc98d4 5162 0,
ef69c8fc 5163 Perl_magic_clearenv,
abdc98d4
NC		 5164 0,
5165 0,
5166 0,
5167 0
4944113a
AL		 5168);
5169
5170MGVTBL_SET(
5171 PL_vtbl_sig,
abdc98d4
NC		 5172 0,
5173 0,
5174 0,
5175 0,
5176 0,
5177 0,
5178 0,
5179 0
4944113a
AL		 5180);
5181
9ba75e3c 5182#ifdef PERL_MICRO
4944113a
AL		 5183MGVTBL_SET(
5184 PL_vtbl_sigelem,
abdc98d4
NC		 5185 0,
5186 0,
5187 0,
5188 0,
5189 0,
5190 0,
5191 0,
5192 0
9ba75e3c
DD		 5193);
5194
64ca3a65 5195#else
9ba75e3c
DD		 5196MGVTBL_SET(
5197 PL_vtbl_sigelem,
ef69c8fc
BM		 5198 Perl_magic_getsig,
5199 Perl_magic_setsig,
abdc98d4 5200 0,
ef69c8fc 5201 Perl_magic_clearsig,
abdc98d4
NC		 5202 0,
5203 0,
5204 0,
5205 0
4944113a 5206);
9ba75e3c 5207#endif
4944113a
AL		 5208
5209MGVTBL_SET(
5210 PL_vtbl_pack,
abdc98d4
NC		 5211 0,
5212 0,
ef69c8fc
BM		 5213 Perl_magic_sizepack,
5214 Perl_magic_wipepack,
abdc98d4
NC		 5215 0,
5216 0,
5217 0,
5218 0
4944113a
AL		 5219);
5220
5221MGVTBL_SET(
5222 PL_vtbl_packelem,
ef69c8fc
BM		 5223 Perl_magic_getpack,
5224 Perl_magic_setpack,
abdc98d4 5225 0,
ef69c8fc 5226 Perl_magic_clearpack,
abdc98d4
NC		 5227 0,
5228 0,
5229 0,
5230 0
4944113a
AL		 5231);
5232
5233MGVTBL_SET(
5234 PL_vtbl_dbline,
abdc98d4 5235 0,
ef69c8fc 5236 Perl_magic_setdbline,
abdc98d4
NC		 5237 0,
5238 0,
5239 0,
5240 0,
5241 0,
5242 0
4944113a
AL		 5243);
5244
5245MGVTBL_SET(
5246 PL_vtbl_isa,
abdc98d4 5247 0,
ef69c8fc 5248 Perl_magic_setisa,
abdc98d4 5249 0,
ef69c8fc 5250 Perl_magic_clearisa,
0fa56319 5251 0,
abdc98d4
NC		 5252 0,
5253 0,
5254 0
4944113a
AL		 5255);
5256
5257MGVTBL_SET(
5258 PL_vtbl_isaelem,
abdc98d4 5259 0,
ef69c8fc 5260 Perl_magic_setisa,
abdc98d4
NC		 5261 0,
5262 0,
5263 0,
5264 0,
5265 0,
5266 0
4944113a
AL		 5267);
5268
2e2109e1 5269MGVTBL_SET_CONST_MAGIC_GET(
4944113a 5270 PL_vtbl_arylen,
ef69c8fc
BM		 5271 Perl_magic_getarylen,
5272 Perl_magic_setarylen,
abdc98d4
NC		 5273 0,
5274 0,
5275 0,
5276 0,
5277 0,
5278 0
4944113a
AL		 5279);
5280
5281MGVTBL_SET(
83bf042f 5282 PL_vtbl_arylen_p,
abdc98d4
NC		 5283 0,
5284 0,
5285 0,
5286 0,
ef69c8fc 5287 Perl_magic_freearylen_p,
abdc98d4
NC		 5288 0,
5289 0,
5290 0
83bf042f
NC		 5291);
5292
5293MGVTBL_SET(
4944113a 5294 PL_vtbl_mglob,
abdc98d4 5295 0,
ef69c8fc 5296 Perl_magic_setmglob,
abdc98d4
NC		 5297 0,
5298 0,
5299 0,
5300 0,
5301 0,
5302 0
4944113a
AL		 5303);
5304
5305MGVTBL_SET(
5306 PL_vtbl_nkeys,
ef69c8fc
BM		 5307 Perl_magic_getnkeys,
5308 Perl_magic_setnkeys,
abdc98d4
NC		 5309 0,
5310 0,
5311 0,
5312 0,
5313 0,
5314 0
4944113a
AL		 5315);
5316
5317MGVTBL_SET(
5318 PL_vtbl_taint,
ef69c8fc
BM		 5319 Perl_magic_gettaint,
5320 Perl_magic_settaint,
abdc98d4
NC		 5321 0,
5322 0,
5323 0,
5324 0,
5325 0,
5326 0
4944113a
AL		 5327);
5328
5329MGVTBL_SET(
5330 PL_vtbl_substr,
ef69c8fc
BM		 5331 Perl_magic_getsubstr,
5332 Perl_magic_setsubstr,
abdc98d4
NC		 5333 0,
5334 0,
5335 0,
5336 0,
5337 0,
5338 0
4944113a
AL		 5339);
5340
5341MGVTBL_SET(
5342 PL_vtbl_vec,
ef69c8fc
BM		 5343 Perl_magic_getvec,
5344 Perl_magic_setvec,
abdc98d4
NC		 5345 0,
5346 0,
5347 0,
5348 0,
5349 0,
5350 0
4944113a
AL		 5351);
5352
5353MGVTBL_SET(
5354 PL_vtbl_pos,
ef69c8fc
BM		 5355 Perl_magic_getpos,
5356 Perl_magic_setpos,
abdc98d4
NC		 5357 0,
5358 0,
5359 0,
5360 0,
5361 0,
5362 0
4944113a
AL		 5363);
5364
5365MGVTBL_SET(
5366 PL_vtbl_bm,
abdc98d4 5367 0,
ef69c8fc 5368 Perl_magic_setregexp,
abdc98d4
NC		 5369 0,
5370 0,
5371 0,
5372 0,
5373 0,
5374 0
4944113a
AL		 5375);
5376
5377MGVTBL_SET(
5378 PL_vtbl_fm,
abdc98d4 5379 0,
ef69c8fc 5380 Perl_magic_setregexp,
abdc98d4
NC		 5381 0,
5382 0,
5383 0,
5384 0,
5385 0,
5386 0
4944113a
AL		 5387);
5388
5389MGVTBL_SET(
5390 PL_vtbl_uvar,
ef69c8fc
BM		 5391 Perl_magic_getuvar,
5392 Perl_magic_setuvar,
abdc98d4
NC		 5393 0,
5394 0,
5395 0,
5396 0,
5397 0,
5398 0
4944113a
AL		 5399);
5400
5401MGVTBL_SET(
5402 PL_vtbl_defelem,
ef69c8fc
BM		 5403 Perl_magic_getdefelem,
5404 Perl_magic_setdefelem,
abdc98d4
NC		 5405 0,
5406 0,
5407 0,
5408 0,
5409 0,
5410 0
4944113a
AL		 5411);
5412
5413MGVTBL_SET(
5414 PL_vtbl_regexp,
abdc98d4 5415 0,
ef69c8fc 5416 Perl_magic_setregexp,
abdc98d4
NC		 5417 0,
5418 0,
288b8c02 5419 0,
abdc98d4
NC		 5420 0,
5421 0,
5422 0
4944113a
AL		 5423);
5424
5425MGVTBL_SET(
5426 PL_vtbl_regdata,
abdc98d4
NC		 5427 0,
5428 0,
ef69c8fc 5429 Perl_magic_regdata_cnt,
abdc98d4
NC		 5430 0,
5431 0,
5432 0,
5433 0,
5434 0
4944113a
AL		 5435);
5436
5437MGVTBL_SET(
5438 PL_vtbl_regdatum,
ef69c8fc
BM		 5439 Perl_magic_regdatum_get,
5440 Perl_magic_regdatum_set,
abdc98d4
NC		 5441 0,
5442 0,
5443 0,
5444 0,
5445 0,
5446 0
4944113a
AL		 5447);
5448
5449MGVTBL_SET(
5450 PL_vtbl_amagic,
abdc98d4 5451 0,
ef69c8fc 5452 Perl_magic_setamagic,
abdc98d4
NC		 5453 0,
5454 0,
ef69c8fc 5455 Perl_magic_setamagic,
abdc98d4
NC		 5456 0,
5457 0,
5458 0
4944113a
AL		 5459);
5460
5461MGVTBL_SET(
5462 PL_vtbl_amagicelem,
abdc98d4 5463 0,
ef69c8fc 5464 Perl_magic_setamagic,
abdc98d4
NC		 5465 0,
5466 0,
ef69c8fc 5467 Perl_magic_setamagic,
abdc98d4
NC		 5468 0,
5469 0,
5470 0
4944113a
AL		 5471);
5472
5473MGVTBL_SET(
5474 PL_vtbl_backref,
abdc98d4
NC		 5475 0,
5476 0,
5477 0,
5478 0,
ef69c8fc 5479 Perl_magic_killbackrefs,
abdc98d4
NC		 5480 0,
5481 0,
5482 0
4944113a
AL		 5483);
5484
5485MGVTBL_SET(
5486 PL_vtbl_ovrld,
abdc98d4
NC		 5487 0,
5488 0,
5489 0,
5490 0,
ef69c8fc 5491 Perl_magic_freeovrld,
abdc98d4
NC		 5492 0,
5493 0,
5494 0
4944113a
AL		 5495);
5496
5497MGVTBL_SET(
5498 PL_vtbl_utf8,
abdc98d4 5499 0,
ef69c8fc 5500 Perl_magic_setutf8,
abdc98d4
NC		 5501 0,
5502 0,
5503 0,
5504 0,
5505 0,
5506 0
4944113a 5507);
36477c24 5508#ifdef USE_LOCALE_COLLATE
4944113a
AL		 5509MGVTBL_SET(
5510 PL_vtbl_collxfrm,
abdc98d4 5511 0,
ef69c8fc 5512 Perl_magic_setcollxfrm,
abdc98d4
NC		 5513 0,
5514 0,
5515 0,
5516 0,
5517 0,
5518 0
4944113a 5519);
bbce6d69 5520#endif
a0d0e21e 5521
b3ca2e83
NC		 5522MGVTBL_SET(
5523 PL_vtbl_hintselem,
abdc98d4 5524 0,
ef69c8fc 5525 Perl_magic_sethint,
abdc98d4 5526 0,
ef69c8fc 5527 Perl_magic_clearhint,
abdc98d4
NC		 5528 0,
5529 0,
5530 0,
5531 0
b3ca2e83
NC		 5532);
5533
f747ebd6
Z		 5534MGVTBL_SET(
5535 PL_vtbl_hints,
5536 0,
5537 0,
5538 0,
ef69c8fc 5539 Perl_magic_clearhints,
f747ebd6
Z		 5540 0,
5541 0,
5542 0,
5543 0
5544);
5545
bab3dc31 5546#include "overload.h"
a0d0e21e 5547
73c4f7a1
GS		 5548END_EXTERN_C
5549
a6006777 5550struct am_table {
8175493d 5551 U32 flags;
eb160463 5552 U32 was_ok_sub;
a0d0e21e 5553 long was_ok_am;
a0d0e21e 5554 long fallback;
9bd87817 5555 CV* table[NofAMmeth];
a0d0e21e 5556};
a6006777 5557struct am_table_short {
8175493d 5558 U32 flags;
eb160463 5559 U32 was_ok_sub;
a6006777 5560 long was_ok_am;
a6006777 5561};
a0d0e21e 5562typedef struct am_table AMT;
a6006777 5563typedef struct am_table_short AMTS;
a0d0e21e
LW		 5564
5565#define AMGfallNEVER 1
5566#define AMGfallNO 2
5567#define AMGfallYES 3
5568
a6006777 5569#define AMTf_AMAGIC 1
32251b26 5570#define AMTf_OVERLOADED 2
a6006777 5571#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5572#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5573#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 5574#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
5575#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
5576#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 5577
32251b26 5578#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5579
5580/*
5581 * some compilers like to redefine cos et alia as faster
5582 * (and less accurate?) versions called F_cos et cetera (Quidquid
5583 * latine dictum sit, altum viditur.) This trick collides with
5584 * the Perl overloading (amg). The following #defines fool both.
5585 */
5586
5587#ifdef _FASTMATH
5588# ifdef atan2
5589# define F_atan2_amg atan2_amg
5590# endif
5591# ifdef cos
5592# define F_cos_amg cos_amg
5593# endif
5594# ifdef exp
5595# define F_exp_amg exp_amg
5596# endif
5597# ifdef log
5598# define F_log_amg log_amg
5599# endif
5600# ifdef pow
5601# define F_pow_amg pow_amg
5602# endif
5603# ifdef sin
5604# define F_sin_amg sin_amg
5605# endif
5606# ifdef sqrt
5607# define F_sqrt_amg sqrt_amg
5608# endif
5609#endif /* _FASTMATH */
5610
83ee9e09
GS		 5611#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5612 PERLDBf_NOOPT | PERLDBf_INTER | \
5613 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
b8fcbefe
NC		 5614 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5615 PERLDBf_SAVESRC)
925cfbb8 5616 /* No _NONAME, _GOTO */
83ee9e09
GS		 5617#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5618#define PERLDBf_LINE 0x02 /* Keep line # */
5619#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5620#define PERLDBf_INTER 0x08 /* Preserve more data for
5621 later inspections */
5622#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5623#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5624#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5625#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5626#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5627#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
b8fcbefe 5628#define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
486ec47a 5629#define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */
c30d8139 5630#define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
84902520 5631
3280af22
NIS		 5632#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5633#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5634#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5635#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5636#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5637#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5638#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5639#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5640#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5641#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
b8fcbefe 5642#define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC))
c30d8139
NC		 5643#define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS))
5644#define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID))
bbce6d69 5645
36477c24 5646#ifdef USE_LOCALE_NUMERIC
bbce6d69 5647
36477c24 5648#define SET_NUMERIC_STANDARD() \
ff4fed7c 5649 set_numeric_standard();
36477c24 5650
5651#define SET_NUMERIC_LOCAL() \
ff4fed7c 5652 set_numeric_local();
bbce6d69 5653
a98fe34d 5654#define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE)
2de3dbcc
JH		 5655#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
5656
5657#define IN_LOCALE \
923e4eb5 5658 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
2de3dbcc 5659
f93f4e46 5660#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 5661 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 5662 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 5663
5664#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 5665 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 5666 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 5667
5668#define RESTORE_NUMERIC_LOCAL() \
5669 if (was_local) SET_NUMERIC_LOCAL();
5670
5671#define RESTORE_NUMERIC_STANDARD() \
5672 if (was_standard) SET_NUMERIC_STANDARD();
5673
5b877257 5674#define Atof my_atof
097ee67d 5675
36477c24 5676#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5677
097ee67d
JH		 5678#define SET_NUMERIC_STANDARD() /**/
5679#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5680#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5681#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5682#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 5683#define RESTORE_NUMERIC_LOCAL() /**/
5684#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 5685#define Atof my_atof
ad3e0f90 5686#define IN_LOCALE_RUNTIME 0
bbce6d69 5687
36477c24 5688#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5689
079290de 5690#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5691# ifdef __hpux
5692# define strtoll __strtoll /* secret handshake */
5693# endif
c623ac67
GS		 5694# ifdef WIN64
5695# define strtoll _strtoi64 /* secret handshake */
5696# endif
079290de
GS		 5697# if !defined(Strtol) && defined(HAS_STRTOLL)
5698# define Strtol strtoll
ad551343 5699# endif
28e5dec8
JH		 5700# if !defined(Strtol) && defined(HAS_STRTOQ)
5701# define Strtol strtoq
5702# endif
ff935051 5703/* is there atoq() anywhere? */
15b99d39 5704#endif
079290de
GS		 5705#if !defined(Strtol) && defined(HAS_STRTOL)
5706# define Strtol strtol
5707#endif
5708#ifndef Atol
5709/* It would be more fashionable to use Strtol() to define atol()
5710 * (as is done for Atoul(), see below) but for backward compatibility
5711 * we just assume atol(). */
76b882ba 5712# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 5713# ifdef WIN64
5714# define atoll _atoi64 /* secret handshake */
5715# endif
76b882ba
JH		 5716# define Atol atoll
5717# else
5718# define Atol atol
5719# endif
cf2093f6
JH		 5720#endif
5721
55eb892c 5722#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5723# ifdef __hpux
5724# define strtoull __strtoull /* secret handshake */
5725# endif
c623ac67
GS		 5726# ifdef WIN64
5727# define strtoull _strtoui64 /* secret handshake */
5728# endif
ad551343 5729# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5730# define Strtoul strtoull
15b99d39 5731# endif
079290de
GS		 5732# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5733# define Strtoul strtouq
5734# endif
76d49b1c 5735/* is there atouq() anywhere? */
ad551343 5736#endif
079290de
GS		 5737#if !defined(Strtoul) && defined(HAS_STRTOUL)
5738# define Strtoul strtoul
cf2093f6 5739#endif
a5523c5b
JH		 5740#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5741# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5742#endif
079290de 5743#ifndef Atoul
d4c19fe8 5744# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5745#endif
cf2093f6 5746
760ac839 5747
06d86050
GS		 5748/* if these never got defined, they need defaults */
5749#ifndef PERL_SET_CONTEXT
5750# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5751#endif
5752
5753#ifndef PERL_GET_CONTEXT
5754# define PERL_GET_CONTEXT PERL_GET_INTERP
5755#endif
5756
5757#ifndef PERL_GET_THX
5758# define PERL_GET_THX ((void*)NULL)
5759#endif
5760
5761#ifndef PERL_SET_THX
5762# define PERL_SET_THX(t) NOOP
5763#endif
5764
a868473f
NIS		 5765#ifndef PERL_SCRIPT_MODE
5766#define PERL_SCRIPT_MODE "r"
5767#endif
5768
fba3b22e 5769/*
da927450
JH		 5770 * Some operating systems are stingy with stack allocation,
5771 * so perl may have to guard against stack overflow.
5772 */
5773#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5774#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5775#endif
5776
5777/*
5778 * Some nonpreemptive operating systems find it convenient to
5779 * check for asynchronous conditions after each op execution.
5780 * Keep this check simple, or it may slow down execution
5781 * massively.
5782 */
ce08f86c 5783
1d615522 5784#ifndef PERL_MICRO
4ffa73a3 5785# ifndef PERL_ASYNC_CHECK
16c91539 5786# define PERL_ASYNC_CHECK() if (PL_sig_pending) PL_signalhook(aTHX)
4ffa73a3 5787# endif
ce08f86c
NIS		 5788#endif
5789
da927450 5790#ifndef PERL_ASYNC_CHECK
1d615522 5791# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5792#endif
5793
5794/*
5795 * On some operating systems, a memory allocation may succeed,
5796 * but put the process too close to the system's comfort limit.
5797 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5798 * it to NULL.
5799 */
5800#ifndef PERL_ALLOC_CHECK
c2af87cb 5801#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5802#endif
5803
bd89102f
AD		 5804#ifdef HAS_SEM
5805# include <sys/ipc.h>
5806# include <sys/sem.h>
5807# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5808 union semun {
dbba660d
TC		 5809 int val;
5810 struct semid_ds *buf;
5811 unsigned short *array;
bd89102f
AD		 5812 };
5813# endif
5814# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5815# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5816 union gccbug_semun {
5817 int val;
5818 struct semid_ds *buf;
5819 unsigned short *array;
5820 char __dummy[5];
5821 };
5822# define semun gccbug_semun
5823# endif
bd89102f
AD		 5824# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5825# else
5826# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5827# ifdef EXTRA_F_IN_SEMUN_BUF
5828# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5829# else
5830# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5831# endif
bd89102f
AD		 5832# endif
5833# endif
bd89102f 5834#endif
49f531da 5835
89ca4ac7
JH		 5836/*
5837 * Boilerplate macros for initializing and accessing interpreter-local
5838 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 5839 * this, if you want to make the extension thread-safe. See
5840 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5841 * and perlxs.pod for more.
89ca4ac7
JH		 5842 *
5843 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5844 * 1. #define MY_CXT_KEY to a unique string, e.g.
5845 * "DynaLoader::_guts" XS_VERSION
f16dd614 5846 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5847 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5848 * all the data that needs to be interpreter-local.
5849 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5850 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5851 * (typically put in the BOOT: section).
5852 * 5. Use the members of the my_cxt_t structure everywhere as
5853 * MY_CXT.member.
5854 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5855 * access MY_CXT.
5856 */
5857
fc958cd2 5858#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 5859
4eddb856 5860/* START_MY_CXT must appear in all extensions that define a my_cxt_t structure,
53d44271
JH		 5861 * right after the definition (i.e. at file scope). The non-threads
5862 * case below uses it to declare the data as static. */
00ab59c9
DM		 5863# ifdef PERL_GLOBAL_STRUCT_PRIVATE
5864# define START_MY_CXT
5865# define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5866# define MY_CXT_INIT_ARG MY_CXT_KEY
5867# else
5868# define START_MY_CXT static int my_cxt_index = -1;
5869# define MY_CXT_INDEX my_cxt_index
5870# define MY_CXT_INIT_ARG &my_cxt_index
5871# endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
53d44271
JH		 5872
5873/* Creates and zeroes the per-interpreter data.
5874 * (We allocate my_cxtp in a Perl SV so that it will be released when
5875 * the interpreter goes away.) */
00ab59c9 5876# define MY_CXT_INIT \
53d44271 5877 my_cxt_t *my_cxtp = \
27cbf00a 5878 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t))
00ab59c9 5879# define MY_CXT_INIT_INTERP(my_perl) \
53d44271 5880 my_cxt_t *my_cxtp = \
27cbf00a 5881 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t))
53d44271
JH		 5882
5883/* This declaration should be used within all functions that use the
5884 * interpreter-local data. */
00ab59c9 5885# define dMY_CXT \
53d44271 5886 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
00ab59c9 5887# define dMY_CXT_INTERP(my_perl) \
53d44271
JH		 5888 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5889
5890/* Clones the per-interpreter data. */
00ab59c9 5891# define MY_CXT_CLONE \
53d44271
JH		 5892 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5893 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5894 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5895
53d44271 5896
89ca4ac7
JH		 5897/* This macro must be used to access members of the my_cxt_t structure.
5898 * e.g. MYCXT.some_data */
00ab59c9 5899# define MY_CXT (*my_cxtp)
89ca4ac7
JH		 5900
5901/* Judicious use of these macros can reduce the number of times dMY_CXT
5902 * is used. Use is similar to pTHX, aTHX etc. */
00ab59c9
DM		 5903# define pMY_CXT my_cxt_t *my_cxtp
5904# define pMY_CXT_ pMY_CXT,
5905# define _pMY_CXT ,pMY_CXT
5906# define aMY_CXT my_cxtp
5907# define aMY_CXT_ aMY_CXT,
5908# define _aMY_CXT ,aMY_CXT
89ca4ac7 5909
f16dd614 5910#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7 5911
00ab59c9
DM		 5912# define START_MY_CXT static my_cxt_t my_cxt;
5913# define dMY_CXT_SV dNOOP
5914# define dMY_CXT dNOOP
5915# define dMY_CXT_INTERP(my_perl) dNOOP
5916# define MY_CXT_INIT NOOP
5917# define MY_CXT_CLONE NOOP
5918# define MY_CXT my_cxt
5919
5920# define pMY_CXT void
5921# define pMY_CXT_
5922# define _pMY_CXT
5923# define aMY_CXT
5924# define aMY_CXT_
5925# define _aMY_CXT
89ca4ac7 5926
f16dd614 5927#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5928
9a34ef1d
GS		 5929#ifdef I_FCNTL
5930# include <fcntl.h>
9a34ef1d
GS		 5931#endif
5932
9cffb111
OS		 5933#ifdef __Lynx__
5934# include <fcntl.h>
5935#endif
5936
9a34ef1d
GS		 5937#ifdef I_SYS_FILE
5938# include <sys/file.h>
5939#endif
5940
fa0a29af 5941#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5942int flock(int fd, int op);
5943#endif
5944
fe52b3b7
GS		 5945#ifndef O_RDONLY
5946/* Assume UNIX defaults */
5947# define O_RDONLY 0000
5948# define O_WRONLY 0001
5949# define O_RDWR 0002
5950# define O_CREAT 0100
5951#endif
9a34ef1d 5952
16fe6d59
GS		 5953#ifndef O_BINARY
5954# define O_BINARY 0
5955#endif
5956
5957#ifndef O_TEXT
5958# define O_TEXT 0
5959#endif
5960
6ce75a77
JH		 5961#if O_TEXT != O_BINARY
5962 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5963 * that is, you are somehow DOSish. */
df00ff3b
IW		 5964# if defined(__BEOS__) || defined(__HAIKU__) || defined(__VOS__) || \
5965 defined(__CYGWIN__)
5966 /* BeOS/Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5967 * BeOS/Haiku is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5968 /* VOS has O_TEXT != O_BINARY, and they have effect,
5969 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5970 /* If you have O_TEXT different from your O_BINARY but you still are
5971 * not a CRLF shop. */
35990314 5972# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5973# else
5974 /* If you really are DOSish. */
5975# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5976# endif
5977#endif
5978
4bc88a62
PS		 5979#ifdef I_LIBUTIL
5980# include <libutil.h> /* setproctitle() in some FreeBSDs */
5981#endif
5982
b4748376 5983#ifndef EXEC_ARGV_CAST
360ea906 5984#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 5985#endif
5986
dd5dc04f
JH		 5987#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5988 int). value returned in pointed-
5989 to UV */
5990#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5991#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5992#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5993#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5994#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5995
5996#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5997
53305cf1
NC		 5998/* Input flags: */
5999#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 6000#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 6001#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 6002/* Output flags: */
6003#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
6004
2c4f7f0e
DM		 6005/* to let user control profiling */
6006#ifdef PERL_GPROF_CONTROL
6007extern void moncontrol(int);
6008#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
6009#else
6010#define PERL_GPROF_MONCONTROL(x)
6011#endif
6012
ae0e3d3b
JH		 6013#ifdef UNDER_CE
6014#include "wince.h"
6015#endif
6016
6017/* ISO 6429 NEL - C1 control NExt Line */
6018/* See http://www.unicode.org/unicode/reports/tr13/ */
6019#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
6020# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
6021# define NEXT_LINE_CHAR 0x15
6022# else /* CDRA */
6023# define NEXT_LINE_CHAR 0x25
6024# endif
6025#else
6026# define NEXT_LINE_CHAR 0x85
6027#endif
6028
6029/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
6030#define UNICODE_LINE_SEPA_0 0xE2
6031#define UNICODE_LINE_SEPA_1 0x80
6032#define UNICODE_LINE_SEPA_2 0xA8
6033#define UNICODE_PARA_SEPA_0 0xE2
6034#define UNICODE_PARA_SEPA_1 0x80
6035#define UNICODE_PARA_SEPA_2 0xA9
6036
479b2847
GS		 6037#ifndef PIPESOCK_MODE
6038# define PIPESOCK_MODE
6039#endif
6040
460c8493
IZ		 6041#ifndef SOCKET_OPEN_MODE
6042# define SOCKET_OPEN_MODE PIPESOCK_MODE
6043#endif
6044
6045#ifndef PIPE_OPEN_MODE
6046# define PIPE_OPEN_MODE PIPESOCK_MODE
6047#endif
6048
7e8c5dac
HS		 6049#define PERL_MAGIC_UTF8_CACHESIZE 2
6050
a05d7ebb
JH		 6051#define PERL_UNICODE_STDIN_FLAG 0x0001
6052#define PERL_UNICODE_STDOUT_FLAG 0x0002
6053#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 6054#define PERL_UNICODE_IN_FLAG 0x0008
6055#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 6056#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 6057#define PERL_UNICODE_LOCALE_FLAG 0x0040
6058#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 6059#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 6060
06e66572
JH		 6061#define PERL_UNICODE_STD_FLAG \
6062 (PERL_UNICODE_STDIN_FLAG | \
6063 PERL_UNICODE_STDOUT_FLAG | \
6064 PERL_UNICODE_STDERR_FLAG)
6065
6066#define PERL_UNICODE_INOUT_FLAG \
6067 (PERL_UNICODE_IN_FLAG | \
6068 PERL_UNICODE_OUT_FLAG)
6069
6070#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 6071 (PERL_UNICODE_STD_FLAG | \
6072 PERL_UNICODE_INOUT_FLAG | \
6073 PERL_UNICODE_LOCALE_FLAG)
6074
5a22a2bb 6075#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 6076
6077#define PERL_UNICODE_STDIN 'I'
6078#define PERL_UNICODE_STDOUT 'O'
6079#define PERL_UNICODE_STDERR 'E'
6080#define PERL_UNICODE_STD 'S'
6081#define PERL_UNICODE_IN 'i'
6082#define PERL_UNICODE_OUT 'o'
6083#define PERL_UNICODE_INOUT 'D'
6084#define PERL_UNICODE_ARGV 'A'
6085#define PERL_UNICODE_LOCALE 'L'
6086#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 6087#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 6088
4ffa73a3
JH		 6089#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
6090
32fdb065 6091/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 6092 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 6093#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
6094
3c0f78ca
JH		 6095#if defined(__DECC) && defined(__osf__)
6096#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 6097#endif
6098
e4dba786
NC		 6099#define do_open(g, n, l, a, rm, rp, sf) \
6100 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 6101#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 6102# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 6103#endif
15871fce
NC		 6104#ifdef OS2
6105# define do_aexec Perl_do_aexec
6106#else
6107# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 6108#endif
e4dba786 6109
2f3efc97
JH		 6110#if defined(OEMVS)
6111#define NO_ENV_ARRAY_IN_MAIN
6112#endif
6113
00f254e2
KW		 6114/* These are used by Perl_pv_escape() and Perl_pv_pretty()
6115 * are here so that they are available throughout the core
10edeb5d
JH		 6116 * NOTE that even though some are for _escape and some for _pretty
6117 * there must not be any clashes as the flags from _pretty are
6118 * passed straight through to _escape.
6119 */
6120
6121#define PERL_PV_ESCAPE_QUOTE 0x0001
6122#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
6123
95b611b0 6124#define PERL_PV_PRETTY_ELLIPSES 0x0002
10edeb5d
JH		 6125#define PERL_PV_PRETTY_LTGT 0x0004
6126
6127#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
6128
00f254e2 6129#define PERL_PV_ESCAPE_UNI 0x0100
10edeb5d 6130#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
681f01c2 6131#define PERL_PV_ESCAPE_NONASCII 0x0400
10edeb5d
JH		 6132
6133#define PERL_PV_ESCAPE_ALL 0x1000
6134#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
6135#define PERL_PV_ESCAPE_NOCLEAR 0x4000
44a2ac75 6136#define PERL_PV_ESCAPE_RE 0x8000
10edeb5d 6137
881a015e
NC		 6138#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
6139
10edeb5d 6140/* used by pv_display in dump.c*/
95b611b0 6141#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
c89df6cf 6142#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII
10edeb5d 6143
26ea9e12
NC		 6144#ifdef PERL_CORE
6145# define FEATURE_IS_ENABLED(name) \
6146 ((0 != (PL_hints & HINT_LOCALIZE_HH)) \
6147 && Perl_feature_is_enabled(aTHX_ STR_WITH_LEN(name)))
6148/* The longest string we pass in. */
6149# define MAX_FEATURE_LEN (sizeof("unicode_strings")-1)
6150#endif
6151
10edeb5d
JH		 6152/*
6153
6154 (KEEP THIS LAST IN perl.h!)
6155
6156 Mention
d460ef45 6157
43999f95 6158 NV_PRESERVES_UV
fe749a9f 6159
fe749a9f
JH		 6160 HAS_MKSTEMP
6161 HAS_MKSTEMPS
6162 HAS_MKDTEMP
6163
49dabb45
JH		 6164 HAS_GETCWD
6165
d59b5429 6166 HAS_MMAP
fe749a9f
JH		 6167 HAS_MPROTECT
6168 HAS_MSYNC
1e8c3fde 6169 HAS_MADVISE
fe749a9f
JH		 6170 HAS_MUNMAP
6171 I_SYSMMAN
6172 Mmap_t
6173
6b4667fc
A		 6174 NVef
6175 NVff
6176 NVgf
6177
4e0554ec 6178 HAS_UALARM
2d736872 6179 HAS_USLEEP
4e0554ec
JH		 6180
6181 HAS_SETITIMER
6182 HAS_GETITIMER
6183
6184 HAS_SENDMSG
6185 HAS_RECVMSG
6186 HAS_READV
6187 HAS_WRITEV
6188 I_SYSUIO
6189 HAS_STRUCT_MSGHDR
6190 HAS_STRUCT_CMSGHDR
6191
2765b840 6192 HAS_NL_LANGINFO
0a7020c9 6193
ae0e3d3b 6194 HAS_DIRFD
2765b840 6195
10edeb5d 6196 so that Configure picks them up.
ab3bbdeb 6197
10edeb5d 6198 (KEEP THIS LAST IN perl.h!)
3df15adc 6199
10edeb5d 6200*/
3df15adc 6201
85e6fe83 6202#endif /* Include guard */
e9a8c099
MHM		 6203
6204/*
6205 * Local variables:
6206 * c-indentation-style: bsd
6207 * c-basic-offset: 4
6208 * indent-tabs-mode: t
6209 * End:
6210 *
6211 * ex: set ts=8 sts=4 sw=4 noet:
6212 */
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