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regcomp.c: Free up ANYOF flag bit
[perl5.git] / perl.h
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
1129b882 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
5cd3f21a 4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
00f254e2 31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
b0f06652
VK		 37# ifndef USE_CROSS_COMPILE
38# include "config.h"
39# else
40# include "xconfig.h"
41# endif
12ae5dfc 42#endif
0cb96387 43
2c2d71f5
JH		 44/* See L<perlguts/"The Perl API"> for detailed notes on
45 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
46
ac6bedea
JH		 47/* Note that from here --> to <-- the same logic is
48 * repeated in makedef.pl, so be certain to update
49 * both places when editing. */
50
6f4183fe 51#ifdef USE_ITHREADS
acfe0abc 52# if !defined(MULTIPLICITY)
6f4183fe
GS		 53# define MULTIPLICITY
54# endif
55#endif
56
27da23d5
JH		 57#ifdef PERL_GLOBAL_STRUCT_PRIVATE
58# ifndef PERL_GLOBAL_STRUCT
59# define PERL_GLOBAL_STRUCT
60# endif
61#endif
97aff369 62
27da23d5
JH		 63#ifdef PERL_GLOBAL_STRUCT
64# ifndef MULTIPLICITY
65# define MULTIPLICITY
66# endif
67#endif
68
97aff369
JH		 69#ifdef MULTIPLICITY
70# ifndef PERL_IMPLICIT_CONTEXT
71# define PERL_IMPLICIT_CONTEXT
72# endif
73#endif
74
026fd48b
GH		 75/* undef WIN32 when building on Cygwin (for libwin32) - gph */
76#ifdef __CYGWIN__
77# undef WIN32
78# undef _WIN32
79#endif
80
27da23d5
JH		 81#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
82# ifndef SYMBIAN
83# define SYMBIAN
84# endif
85#endif
86
a0fd4948 87#ifdef __SYMBIAN32__
27da23d5
JH		 88# include "symbian/symbian_proto.h"
89#endif
90
91/* Any stack-challenged places. The limit varies (and often
92 * is configurable), but using more than a kilobyte of stack
93 * is usually dubious in these systems. */
739a0b84
NC		 94#if defined(__SYMBIAN32__)
95/* Symbian: need to work around the SDK features. *
27da23d5
JH		 96 * On WINS: MS VC5 generates calls to _chkstk, *
97 * if a "large" stack frame is allocated. *
98 * gcc on MARM does not generate calls like these. */
99# define USE_HEAP_INSTEAD_OF_STACK
100#endif
101
102#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 103/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 104#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 105# define USE_REENTRANT_API
106#endif
107
ac6bedea
JH		 108/* <--- here ends the logic shared by perl.h and makedef.pl */
109
af28e889 110/*
6239f2da
JH		 111 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
112 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 113 * __bsdi__ for BSD/OS
114 */
6239f2da 115#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 116# ifndef BSDish
117# define BSDish
118# endif
119#endif
120
cf5a8da6
MHM		 121#undef START_EXTERN_C
122#undef END_EXTERN_C
123#undef EXTERN_C
124#ifdef __cplusplus
125# define START_EXTERN_C extern "C" {
126# define END_EXTERN_C }
127# define EXTERN_C extern "C"
128#else
129# define START_EXTERN_C
130# define END_EXTERN_C
131# define EXTERN_C extern
132#endif
133
17a6c8e3
AD		 134/* Fallback definitions in case we don't have definitions from config.h.
135 This should only matter for systems that don't use Configure and
136 haven't been modified to define PERL_STATIC_INLINE yet.
137*/
138#if !defined(PERL_STATIC_INLINE)
139# ifdef HAS_STATIC_INLINE
140# define PERL_STATIC_INLINE static inline
141# else
142# define PERL_STATIC_INLINE static
143# endif
144#endif
145
27da23d5
JH		 146#ifdef PERL_GLOBAL_STRUCT
147# ifndef PERL_GET_VARS
148# ifdef PERL_GLOBAL_STRUCT_PRIVATE
cf5a8da6 149 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
27da23d5
JH		 150# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
151# ifndef PERLIO_FUNCS_CONST
152# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
153# endif
154# else
155# define PERL_GET_VARS() PL_VarsPtr
156# endif
157# endif
158#endif
159
5aaab254 160#define pVAR struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH		 161
162#ifdef PERL_GLOBAL_STRUCT
163# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
164#else
165# define dVAR dNOOP
166#endif
167
c5be433b 168#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 169# ifndef MULTIPLICITY
170# define MULTIPLICITY
c5be433b 171# endif
e8dda941 172# define tTHX PerlInterpreter*
5aaab254 173# define pTHX tTHX my_perl PERL_UNUSED_DECL
3db8f154 174# define aTHX my_perl
9399a70c 175# define aTHXa(a) aTHX = (tTHX)a
27da23d5 176# ifdef PERL_GLOBAL_STRUCT
e8dda941 177# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 178# else
e8dda941 179# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH		 180# endif
181# ifdef PERL_GLOBAL_STRUCT
182# define dTHX dVAR; pTHX = PERL_GET_THX
183# else
184# define dTHX pTHX = PERL_GET_THX
185# endif
c5be433b 186# define pTHX_ pTHX,
c5be433b 187# define aTHX_ aTHX,
4373e329 188# define pTHX_1 2
894356b3
GS		 189# define pTHX_2 3
190# define pTHX_3 4
191# define pTHX_4 5
4373e329
AL		 192# define pTHX_5 6
193# define pTHX_6 7
a3b680e6
AL		 194# define pTHX_7 8
195# define pTHX_8 9
196# define pTHX_9 10
e8dda941
JD		 197# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
198# define PERL_TRACK_MEMPOOL
199# endif
200#else
201# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 202#endif
203
76e3520e 204#define STATIC static
16c91539
BM		 205
206#ifndef PERL_CORE
207/* Do not use these macros. They were part of PERL_OBJECT, which was an
208 * implementation of multiplicity using C++ objects. They have been left
209 * here solely for the sake of XS code which has incorrectly
210 * cargo-culted them.
211 */
76e3520e 212#define CPERLscope(x) x
565764a8 213#define CPERLarg void
76e3520e 214#define CPERLarg_
e3b8966e 215#define _CPERLarg
1d583055
GS		 216#define PERL_OBJECT_THIS
217#define _PERL_OBJECT_THIS
218#define PERL_OBJECT_THIS_
312caa8e 219#define CALL_FPTR(fptr) (*fptr)
ef69c8fc 220#define MEMBER_TO_FPTR(name) name
16c91539 221#endif /* !PERL_CORE */
76e3520e 222
16c91539 223#define CALLRUNOPS PL_runops
f9f4320a 224
3ab4a224 225#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 226
16c91539 227#define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
f9f4320a 228#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
16c91539 229 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
f9f4320a
YO		 230 (strbeg),(minend),(screamer),(data),(flags))
231#define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \
16c91539 232 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strpos), \
f9f4320a
YO		 233 (strend),(flags),(data))
234#define CALLREG_INTUIT_STRING(prog) \
16c91539 235 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
f8149455 236
f8149455
YO		 237#define CALLREGFREE(prog) \
238 Perl_pregfree(aTHX_ (prog))
239
240#define CALLREGFREE_PVT(prog) \
16c91539 241 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
f8149455 242
2fdbfb4d 243#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
16c91539 244 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
93b32b6d 245
2fdbfb4d 246#define CALLREG_NUMBUF_STORE(rx,paren,value) \
16c91539 247 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
2fdbfb4d
AB		 248
249#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
16c91539 250 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
2fdbfb4d 251
192b9cd1 252#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
16c91539 253 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
192b9cd1
AB		 254
255#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
16c91539 256 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
192b9cd1
AB		 257
258#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
16c91539 259 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB		 260
261#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
16c91539 262 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB		 263
264#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
16c91539 265 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB		 266
267#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
16c91539 268 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB		 269
270#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
16c91539 271 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB		 272
273#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
16c91539 274 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
AB		 275
276#define CALLREG_NAMED_BUFF_COUNT(rx) \
16c91539 277 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
192b9cd1
AB		 278
279#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
16c91539 280 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 281
49d7dfbc 282#define CALLREG_PACKAGE(rx) \
16c91539 283 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
93b32b6d 284
00f254e2 285#if defined(USE_ITHREADS)
f9f4320a 286#define CALLREGDUPE(prog,param) \
f8149455
YO		 287 Perl_re_dup(aTHX_ (prog),(param))
288
289#define CALLREGDUPE_PVT(prog,param) \
16c91539 290 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
00f254e2 291 : (REGEXP *)NULL)
f9f4320a 292#endif
14dd3ad8 293
a20207d7 294
bcdf7404 295
a20207d7
YO		 296
297
5ba4cab2
SH		 298/*
299 * Because of backward compatibility reasons the PERL_UNUSED_DECL
300 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
301 *
302 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 303 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 304 * marking unused variables (they need e.g. a #pragma) and therefore
305 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
306 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
307 *
308 */
1266ad8c 309
9969cdde 310#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 311# ifdef __cplusplus
5ba4cab2 312# define PERL_UNUSED_DECL
5b2bd0a5 313# else
5ba4cab2 314# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 315# endif
316#endif
44dbb695 317
5b2bd0a5 318#ifndef PERL_UNUSED_DECL
34659ad4 319# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 320# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 321# else
5ba4cab2 322# define PERL_UNUSED_DECL
b79c357a 323# endif
5b2bd0a5 324#endif
00f254e2 325
349b520e
DM		 326/* gcc -Wall:
327 * for silencing unused variables that are actually used most of the time,
a0288114 328 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 329 */
53c1dcc0 330#ifndef PERL_UNUSED_ARG
c99ffe5e 331# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 332# include <note.h>
53c1dcc0 333# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 334# else
53c1dcc0 335# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 336# endif
337#endif
53c1dcc0
AL		 338#ifndef PERL_UNUSED_VAR
339# define PERL_UNUSED_VAR(x) ((void)x)
340#endif
ad73156c 341
96a5add6
AL		 342#ifdef USE_ITHREADS
343# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
344#else
345# define PERL_UNUSED_CONTEXT
346#endif
347
6f207bd3 348#define NOOP /*EMPTY*/(void)0
bafdc25d
NC		 349/* cea2e8a9dd23747f accidentally lost the comment originally from the first
350 check in of thread.h, explaining why we need dNOOP at all: */
351/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
352/* Declaring a *function*, instead of a variable, ensures that we don't rely
353 on being able to suppress "unused" warnings. */
7db66e12
CB		 354#ifdef __cplusplus
355#define dNOOP (void)0
356#else
64a8239e 357#define dNOOP extern int Perl___notused(void)
7db66e12 358#endif
71be2cbc 359
0cb96387 360#ifndef pTHX
e8dda941
JD		 361/* Don't bother defining tTHX and sTHX; using them outside
362 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
363 */
0cb96387
GS		 364# define pTHX void
365# define pTHX_
0cb96387
GS		 366# define aTHX
367# define aTHX_
9399a70c 368# define aTHXa(a) NOOP
0cb96387
GS		 369# define dTHXa(a) dNOOP
370# define dTHX dNOOP
894356b3
GS		 371# define pTHX_1 1
372# define pTHX_2 2
373# define pTHX_3 3
374# define pTHX_4 4
3d42dc86
RGS		 375# define pTHX_5 5
376# define pTHX_6 6
a3b680e6
AL		 377# define pTHX_7 7
378# define pTHX_8 8
379# define pTHX_9 9
0cb96387
GS		 380#endif
381
27da23d5
JH		 382#ifndef dVAR
383# define dVAR dNOOP
384#endif
385
b4f7f263
GS		 386/* these are only defined for compatibility; should not be used internally */
387#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 388# define pTHXo pTHX
389# define pTHXo_ pTHX_
0cb96387
GS		 390# define aTHXo aTHX
391# define aTHXo_ aTHX_
c5be433b 392# define dTHXo dTHX
71d280e3 393# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 394#endif
395
396#ifndef pTHXx
5aaab254 397# define pTHXx PerlInterpreter *my_perl
0cb96387 398# define pTHXx_ pTHXx,
0cb96387
GS		 399# define aTHXx my_perl
400# define aTHXx_ aTHXx,
c5be433b 401# define dTHXx dTHX
22c35a8c 402#endif
71be2cbc 403
1de7c2ac
GS		 404/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
405 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
406 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
407#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 408# ifdef PERL_GLOBAL_STRUCT_PRIVATE
409# define dTHXs dVAR; dTHX
410# else
411# define dTHXs dTHX
412# endif
1de7c2ac 413#else
27da23d5
JH		 414# ifdef PERL_GLOBAL_STRUCT_PRIVATE
415# define dTHXs dVAR
416# else
417# define dTHXs dNOOP
418# endif
1de7c2ac
GS		 419#endif
420
27da23d5
JH		 421/* Some platforms require marking function declarations
422 * for them to be exportable. Used in perlio.h, proto.h
423 * is handled either by the makedef.pl or by defining the
424 * PERL_CALLCONV to be something special. See also the
425 * definition of XS() in XSUB.h. */
426#ifndef PERL_EXPORT_C
a0c21aa1
JH		 427# ifdef __cplusplus
428# define PERL_EXPORT_C extern "C"
429# else
430# define PERL_EXPORT_C extern
431# endif
27da23d5
JH		 432#endif
433#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 434# ifdef __cplusplus
435# define PERL_XS_EXPORT_C extern "C"
436# else
437# define PERL_XS_EXPORT_C
438# endif
27da23d5
JH		 439#endif
440
462e5cf6
MB		 441#ifdef OP_IN_REGISTER
442# ifdef __GNUC__
443# define stringify_immed(s) #s
444# define stringify(s) stringify_immed(s)
5aaab254 445struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 446# endif
447#endif
448
e5afc1ae 449/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 450 * g++ allows them but seems to have problems with them
70aab261
RB		 451 * (insane errors ensue).
452 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
453 */
454#if defined(PERL_GCC_PEDANTIC) || \
455 (defined(__GNUC__) && defined(__cplusplus) && \
456 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 457# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 458# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
459# endif
5dc8bdac
JH		 460#endif
461
5b692037
JH		 462#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
463# ifndef PERL_USE_GCC_BRACE_GROUPS
464# define PERL_USE_GCC_BRACE_GROUPS
465# endif
466#endif
467
728e2803 468/*
469 * STMT_START { statements; } STMT_END;
470 * can be used as a single statement, as in
471 * if (x) STMT_START { ... } STMT_END; else ...
472 *
473 * Trying to select a version that gives no warnings...
474 */
475#if !(defined(STMT_START) && defined(STMT_END))
5b692037 476# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 477# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 478# define STMT_END )
479# else
480 /* Now which other defined()s do we need here ??? */
93189314 481# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 482# define STMT_START if (1)
483# define STMT_END else (void)0
484# else
485# define STMT_START do
486# define STMT_END while (0)
487# endif
488# endif
489#endif
490
d6f9c181
JH		 491#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
492# define BYTEORDER 0x1234
79072805
LW		 493#endif
494
495/* Overall memory policy? */
496#ifndef CONSERVATIVE
497# define LIBERAL 1
498#endif
499
8ada0baa
JH		 500#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
501#define ASCIIish
502#else
503#undef ASCIIish
504#endif
505
79072805
LW		 506/*
507 * The following contortions are brought to you on behalf of all the
508 * standards, semi-standards, de facto standards, not-so-de-facto standards
509 * of the world, as well as all the other botches anyone ever thought of.
510 * The basic theory is that if we work hard enough here, the rest of the
511 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
512 */
ac58e20f 513
ee0007ab 514/* define this once if either system, instead of cluttering up the src */
7c458fae 515#if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 516#define DOSISH 1
517#endif
518
739a0b84 519#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 520# define STANDARD_C 1
521#endif
522
739a0b84 523#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 524# define DONT_DECLARE_STD 1
525#endif
526
352d5a3a 527#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 528# define VOL volatile
663a0e37 529#else
79072805 530# define VOL
663a0e37
LW		 531#endif
532
284167a5
S		 533/* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
534 * you get a perl without taint support, but doubtlessly with a lesser
535 * degree of support. Do not do so unless you know exactly what it means
536 * technically, have a good reason to do so, and know exactly how the
537 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
538 * a potential security risk due to flat out ignoring the security-relevant
539 * taint flags. This being said, a perl without taint support compiled in
540 * has marginal run-time performance benefits.
541 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
542 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
543 * silently ignores -t/-T instead of throwing an exception.
053a3618
S		 544 *
545 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
6ecb40c7 546 * voids your nonexistent warranty!
284167a5
S		 547 */
548#if SILENT_NO_TAINT_SUPPORT && !defined(NO_TAINT_SUPPORT)
549# define NO_TAINT_SUPPORT 1
550#endif
551
552/* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
553 * operations into no-ops for a very modest speed-up. Enable only if you
554 * know what you're doing: tests and CPAN modules' tests are bound to fail.
555 */
556#if NO_TAINT_SUPPORT
557# define TAINT NOOP
558# define TAINT_NOT NOOP
559# define TAINT_IF(c) NOOP
560# define TAINT_ENV() NOOP
561# define TAINT_PROPER(s) NOOP
562# define TAINT_set(s) NOOP
563# define TAINT_get 0
564# define TAINTING_get 0
565# define TAINTING_set(s) NOOP
566# define TAINT_WARN_get 0
567# define TAINT_WARN_set(s) NOOP
568#else
569# define TAINT (PL_tainted = TRUE)
570# define TAINT_NOT (PL_tainted = FALSE)
571# define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
572# define TAINT_ENV() if (PL_tainting) { taint_env(); }
573# define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
574# define TAINT_set(s) (PL_tainted = (s))
575# define TAINT_get (PL_tainted)
576# define TAINTING_get (PL_tainting)
577# define TAINTING_set(s) (PL_tainting = (s))
578# define TAINT_WARN_get (PL_taint_warn)
579# define TAINT_WARN_set(s) (PL_taint_warn = (s))
580#endif
a687059c 581
20be6587
DM		 582/* flags used internally only within pp_subst and pp_substcont */
583#ifdef PERL_CORE
584# define SUBST_TAINT_STR 1 /* string tainted */
585# define SUBST_TAINT_PAT 2 /* pattern tainted */
586# define SUBST_TAINT_REPL 4 /* replacement tainted */
587# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
588# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
589#endif
590
d460ef45 591/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 592 defines move there? If so, I could simplify this a lot. --AD 9/96.
593*/
594/* Process group stuff changed from traditional BSD to POSIX.
595 perlfunc.pod documents the traditional BSD-style syntax, so we'll
596 try to preserve that, if possible.
597*/
598#ifdef HAS_SETPGID
599# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 600#else
a6e633de 601# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
602# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
603# else
604# ifdef HAS_SETPGRP2 /* DG/UX */
605# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
606# endif
607# endif
608#endif
609#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
610# define HAS_SETPGRP /* Well, effectively it does . . . */
611#endif
612
613/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
614 our life easier :-) so we'll try it.
615*/
616#ifdef HAS_GETPGID
617# define BSD_GETPGRP(pid) getpgid((pid))
618#else
619# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
620# define BSD_GETPGRP(pid) getpgrp((pid))
621# else
622# ifdef HAS_GETPGRP2 /* DG/UX */
623# define BSD_GETPGRP(pid) getpgrp2((pid))
624# endif
625# endif
626#endif
627#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
628# define HAS_GETPGRP /* Well, effectively it does . . . */
629#endif
630
d460ef45 631/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 632 have different behaviors, but perl.h used to define USE_BSDPGRP
633 (prior to 5.003_05) so some extension might depend on it.
634*/
635#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
636# ifndef USE_BSDPGRP
637# define USE_BSDPGRP
638# endif
663a0e37
LW		 639#endif
640
486ec47a 641/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH		 642 pthread.h must be included before all other header files.
643*/
3db8f154 644#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 645# include <pthread.h>
646#endif
647
760ac839
LW		 648#ifndef _TYPES_ /* If types.h defines this it's easy. */
649# ifndef major /* Does everyone's types.h define this? */
650# include <sys/types.h>
c07a80fd 651# endif
663a0e37
LW		 652#endif
653
760ac839
LW		 654#ifdef __cplusplus
655# ifndef I_STDARG
656# define I_STDARG 1
657# endif
658#endif
659
660#ifdef I_STDARG
661# include <stdarg.h>
662#else
663# ifdef I_VARARGS
664# include <varargs.h>
665# endif
666#endif
667
4633a7c4 668#ifdef USE_NEXT_CTYPE
0c30d9ec 669
092bebab
JH		 670#if NX_CURRENT_COMPILER_RELEASE >= 500
671# include <bsd/ctypes.h>
672#else
673# if NX_CURRENT_COMPILER_RELEASE >= 400
674# include <objc/NXCType.h>
675# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
676# include <appkit/NXCType.h>
677# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
678#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 679
680#else /* !USE_NEXT_CTYPE */
fe14fcc3 681#include <ctype.h>
0c30d9ec 682#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 683
684#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
685#undef METHOD
a0d0e21e
LW		 686#endif
687
12ae5dfc
JH		 688#ifdef PERL_MICRO
689# define NO_LOCALE
690#endif
691
4633a7c4 692#ifdef I_LOCALE
36477c24 693# include <locale.h>
4633a7c4
LW		 694#endif
695
36477c24 696#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
697# define USE_LOCALE
698# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
699 && defined(HAS_STRXFRM)
700# define USE_LOCALE_COLLATE
701# endif
702# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
703# define USE_LOCALE_CTYPE
704# endif
705# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
706# define USE_LOCALE_NUMERIC
707# endif
708#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 709
fe14fcc3 710#include <setjmp.h>
79072805 711
a0d0e21e 712#ifdef I_SYS_PARAM
79072805
LW		 713# ifdef PARAM_NEEDS_TYPES
714# include <sys/types.h>
715# endif
716# include <sys/param.h>
352d5a3a 717#endif
79072805 718
79072805 719/* Use all the "standard" definitions? */
a0d0e21e 720#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 721# include <stdlib.h>
ff68c719 722#endif
03a14243 723
3f270f98
JH		 724/* If this causes problems, set i_unistd=undef in the hint file. */
725#ifdef I_UNISTD
726# include <unistd.h>
727#endif
728
de8ca8af
NT		 729/* for WCOREDUMP */
730#ifdef I_SYS_WAIT
731# include <sys/wait.h>
732#endif
733
9969cdde 734#ifdef __SYMBIAN32__
27da23d5
JH		 735# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
736#endif
737
7114a2d2 738#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 739EXTERN_C int syscall(int, ...);
2ef53570
JH		 740#endif
741
7114a2d2 742#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 743EXTERN_C int usleep(unsigned int);
2ef53570
JH		 744#endif
745
9c12f1e5
RGS		 746/* Funky places that do not have socket stuff. */
747#if defined(__LIBCATAMOUNT__)
748# define MYSWAP
749#endif
750
9a34ef1d
GS		 751#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
752# define MYSWAP
753#endif
754
1109a392
MHM		 755#ifdef PERL_CORE
756
757/* macros for correct constant construction */
758# if INTSIZE >= 2
759# define U16_CONST(x) ((U16)x##U)
760# else
761# define U16_CONST(x) ((U16)x##UL)
762# endif
763
764# if INTSIZE >= 4
765# define U32_CONST(x) ((U32)x##U)
766# else
767# define U32_CONST(x) ((U32)x##UL)
768# endif
769
770# ifdef HAS_QUAD
771# if INTSIZE >= 8
772# define U64_CONST(x) ((U64)x##U)
773# elif LONGSIZE >= 8
774# define U64_CONST(x) ((U64)x##UL)
775# elif QUADKIND == QUAD_IS_LONG_LONG
776# define U64_CONST(x) ((U64)x##ULL)
52865553
SH		 777# elif QUADKIND == QUAD_IS___INT64
778# define U64_CONST(x) ((U64)x##UI64)
1109a392
MHM		 779# else /* best guess we can make */
780# define U64_CONST(x) ((U64)x##UL)
781# endif
782# endif
783
784/* byte-swapping functions for big-/little-endian conversion */
785# define _swab_16_(x) ((U16)( \
786 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
787 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
788
789# define _swab_32_(x) ((U32)( \
790 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
791 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
792 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
793 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
794
795# ifdef HAS_QUAD
796# define _swab_64_(x) ((U64)( \
797 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
798 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
799 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
800 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
801 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
802 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
803 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
804 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
805# endif
806
807/*----------------------------------------------------------------------------*/
808# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
809/*----------------------------------------------------------------------------*/
810# define my_htole16(x) (x)
811# define my_letoh16(x) (x)
812# define my_htole32(x) (x)
813# define my_letoh32(x) (x)
814# define my_htobe16(x) _swab_16_(x)
815# define my_betoh16(x) _swab_16_(x)
816# define my_htobe32(x) _swab_32_(x)
817# define my_betoh32(x) _swab_32_(x)
818# ifdef HAS_QUAD
819# define my_htole64(x) (x)
820# define my_letoh64(x) (x)
821# define my_htobe64(x) _swab_64_(x)
822# define my_betoh64(x) _swab_64_(x)
823# endif
824# define my_htoles(x) (x)
825# define my_letohs(x) (x)
826# define my_htolei(x) (x)
827# define my_letohi(x) (x)
828# define my_htolel(x) (x)
829# define my_letohl(x) (x)
830# if SHORTSIZE == 1
831# define my_htobes(x) (x)
832# define my_betohs(x) (x)
833# elif SHORTSIZE == 2
834# define my_htobes(x) _swab_16_(x)
835# define my_betohs(x) _swab_16_(x)
836# elif SHORTSIZE == 4
837# define my_htobes(x) _swab_32_(x)
838# define my_betohs(x) _swab_32_(x)
839# elif SHORTSIZE == 8
840# define my_htobes(x) _swab_64_(x)
841# define my_betohs(x) _swab_64_(x)
842# else
843# define PERL_NEED_MY_HTOBES
844# define PERL_NEED_MY_BETOHS
845# endif
846# if INTSIZE == 1
847# define my_htobei(x) (x)
848# define my_betohi(x) (x)
849# elif INTSIZE == 2
850# define my_htobei(x) _swab_16_(x)
851# define my_betohi(x) _swab_16_(x)
852# elif INTSIZE == 4
853# define my_htobei(x) _swab_32_(x)
854# define my_betohi(x) _swab_32_(x)
855# elif INTSIZE == 8
856# define my_htobei(x) _swab_64_(x)
857# define my_betohi(x) _swab_64_(x)
858# else
859# define PERL_NEED_MY_HTOBEI
860# define PERL_NEED_MY_BETOHI
861# endif
862# if LONGSIZE == 1
863# define my_htobel(x) (x)
864# define my_betohl(x) (x)
865# elif LONGSIZE == 2
866# define my_htobel(x) _swab_16_(x)
867# define my_betohl(x) _swab_16_(x)
868# elif LONGSIZE == 4
869# define my_htobel(x) _swab_32_(x)
870# define my_betohl(x) _swab_32_(x)
871# elif LONGSIZE == 8
872# define my_htobel(x) _swab_64_(x)
873# define my_betohl(x) _swab_64_(x)
874# else
875# define PERL_NEED_MY_HTOBEL
876# define PERL_NEED_MY_BETOHL
877# endif
878# define my_htolen(p,n) NOOP
879# define my_letohn(p,n) NOOP
880# define my_htoben(p,n) my_swabn(p,n)
881# define my_betohn(p,n) my_swabn(p,n)
882/*----------------------------------------------------------------------------*/
883# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
884/*----------------------------------------------------------------------------*/
885# define my_htobe16(x) (x)
886# define my_betoh16(x) (x)
887# define my_htobe32(x) (x)
888# define my_betoh32(x) (x)
889# define my_htole16(x) _swab_16_(x)
890# define my_letoh16(x) _swab_16_(x)
891# define my_htole32(x) _swab_32_(x)
892# define my_letoh32(x) _swab_32_(x)
893# ifdef HAS_QUAD
894# define my_htobe64(x) (x)
895# define my_betoh64(x) (x)
896# define my_htole64(x) _swab_64_(x)
897# define my_letoh64(x) _swab_64_(x)
898# endif
899# define my_htobes(x) (x)
900# define my_betohs(x) (x)
901# define my_htobei(x) (x)
902# define my_betohi(x) (x)
903# define my_htobel(x) (x)
904# define my_betohl(x) (x)
905# if SHORTSIZE == 1
906# define my_htoles(x) (x)
907# define my_letohs(x) (x)
908# elif SHORTSIZE == 2
909# define my_htoles(x) _swab_16_(x)
910# define my_letohs(x) _swab_16_(x)
911# elif SHORTSIZE == 4
912# define my_htoles(x) _swab_32_(x)
913# define my_letohs(x) _swab_32_(x)
914# elif SHORTSIZE == 8
915# define my_htoles(x) _swab_64_(x)
916# define my_letohs(x) _swab_64_(x)
917# else
918# define PERL_NEED_MY_HTOLES
919# define PERL_NEED_MY_LETOHS
920# endif
921# if INTSIZE == 1
922# define my_htolei(x) (x)
923# define my_letohi(x) (x)
924# elif INTSIZE == 2
925# define my_htolei(x) _swab_16_(x)
926# define my_letohi(x) _swab_16_(x)
927# elif INTSIZE == 4
928# define my_htolei(x) _swab_32_(x)
929# define my_letohi(x) _swab_32_(x)
930# elif INTSIZE == 8
931# define my_htolei(x) _swab_64_(x)
932# define my_letohi(x) _swab_64_(x)
933# else
934# define PERL_NEED_MY_HTOLEI
935# define PERL_NEED_MY_LETOHI
936# endif
937# if LONGSIZE == 1
938# define my_htolel(x) (x)
939# define my_letohl(x) (x)
940# elif LONGSIZE == 2
941# define my_htolel(x) _swab_16_(x)
942# define my_letohl(x) _swab_16_(x)
943# elif LONGSIZE == 4
944# define my_htolel(x) _swab_32_(x)
945# define my_letohl(x) _swab_32_(x)
946# elif LONGSIZE == 8
947# define my_htolel(x) _swab_64_(x)
948# define my_letohl(x) _swab_64_(x)
949# else
950# define PERL_NEED_MY_HTOLEL
951# define PERL_NEED_MY_LETOHL
952# endif
953# define my_htolen(p,n) my_swabn(p,n)
954# define my_letohn(p,n) my_swabn(p,n)
955# define my_htoben(p,n) NOOP
956# define my_betohn(p,n) NOOP
957/*----------------------------------------------------------------------------*/
958# else /* all other byte-orders */
959/*----------------------------------------------------------------------------*/
960# define PERL_NEED_MY_HTOLE16
961# define PERL_NEED_MY_LETOH16
962# define PERL_NEED_MY_HTOBE16
963# define PERL_NEED_MY_BETOH16
964# define PERL_NEED_MY_HTOLE32
965# define PERL_NEED_MY_LETOH32
966# define PERL_NEED_MY_HTOBE32
967# define PERL_NEED_MY_BETOH32
968# ifdef HAS_QUAD
969# define PERL_NEED_MY_HTOLE64
970# define PERL_NEED_MY_LETOH64
971# define PERL_NEED_MY_HTOBE64
972# define PERL_NEED_MY_BETOH64
973# endif
974# define PERL_NEED_MY_HTOLES
975# define PERL_NEED_MY_LETOHS
976# define PERL_NEED_MY_HTOBES
977# define PERL_NEED_MY_BETOHS
978# define PERL_NEED_MY_HTOLEI
979# define PERL_NEED_MY_LETOHI
980# define PERL_NEED_MY_HTOBEI
981# define PERL_NEED_MY_BETOHI
982# define PERL_NEED_MY_HTOLEL
983# define PERL_NEED_MY_LETOHL
984# define PERL_NEED_MY_HTOBEL
985# define PERL_NEED_MY_BETOHL
986/*----------------------------------------------------------------------------*/
987# endif /* end of byte-order macros */
988/*----------------------------------------------------------------------------*/
989
9c17f24a
NC		 990/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
991 at least on FreeBSD. YMMV, so experiment. */
992#ifndef PERL_ARENA_SIZE
993#define PERL_ARENA_SIZE 4080
994#endif
995
ccb2c8b8 996/* Maximum level of recursion */
2b9dff67
RGS		 997#ifndef PERL_SUB_DEPTH_WARN
998#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 999#endif
1000
1109a392
MHM		 1001#endif /* PERL_CORE */
1002
bdf3085f
NC		 1003/* We no longer default to creating a new SV for GvSV.
1004 Do this before embed. */
1005#ifndef PERL_CREATE_GVSV
7459f06b
NC		 1006# ifndef PERL_DONT_CREATE_GVSV
1007# define PERL_DONT_CREATE_GVSV
1008# endif
bdf3085f
NC		 1009#endif
1010
ca0c25f6
NC		 1011#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
1012#define PERL_USES_PL_PIDSTATUS
1013#endif
1014
739a0b84 1015#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
a62746fa
RGS		 1016#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
1017#endif
1018
c31fac66
GS		 1019#define MEM_SIZE Size_t
1020
1936d2a7
NC		 1021/* Round all values passed to malloc up, by default to a multiple of
1022 sizeof(size_t)
1023*/
1024#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
1025#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
1026#endif
1027
f1200559
WH		 1028/* sv_grow() will expand strings by at least a certain percentage of
1029 the previously *used* length to avoid excessive calls to realloc().
1030 The default is 25% of the current length.
1031*/
1032#ifndef PERL_STRLEN_EXPAND_SHIFT
1033# define PERL_STRLEN_EXPAND_SHIFT 2
1034#endif
1035
51371543
GS		 1036#if defined(STANDARD_C) && defined(I_STDDEF)
1037# include <stddef.h>
1038# define STRUCT_OFFSET(s,m) offsetof(s,m)
1039#else
1040# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
1041#endif
1042
9969cdde 1043#ifndef __SYMBIAN32__
27da23d5
JH		 1044# if defined(I_STRING) || defined(__cplusplus)
1045# include <string.h>
1046# else
1047# include <strings.h>
1048# endif
51371543
GS		 1049#endif
1050
55497cff 1051/* This comes after <stdlib.h> so we don't try to change the standard
1052 * library prototypes; we'll use our own in proto.h instead. */
03a14243 1053
4633a7c4 1054#ifdef MYMALLOC
86058a2d 1055# ifdef PERL_POLLUTE_MALLOC
ee13e175 1056# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 1057# define Perl_malloc malloc
1058# define Perl_calloc calloc
1059# define Perl_realloc realloc
1060# define Perl_mfree free
ee13e175 1061# endif
86058a2d
GS		 1062# else
1063# define EMBEDMYMALLOC /* for compatibility */
1064# endif
827e134a 1065
651b9576
GS		 1066# define safemalloc Perl_malloc
1067# define safecalloc Perl_calloc
1068# define saferealloc Perl_realloc
1069# define safefree Perl_mfree
22f7c9c9
JH		 1070# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1071 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1072 code; \
1073 } STMT_END
1074# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1075 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1076# define panic_write2(s) write(2, s, strlen(s))
1077# define CHECK_MALLOC_TAINT(newval) \
1078 CHECK_MALLOC_TOO_LATE_FOR_( \
1079 if (newval) { \
1080 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1081 exit(1); })
22f7c9c9 1082# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1083 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 1084 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1085 }} STMT_END;
f2517201
GS		 1086#else /* MYMALLOC */
1087# define safemalloc safesysmalloc
1088# define safecalloc safesyscalloc
1089# define saferealloc safesysrealloc
1090# define safefree safesysfree
22f7c9c9
JH		 1091# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1092# define CHECK_MALLOC_TAINT(newval) ((void)0)
1093# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1094#endif /* MYMALLOC */
4633a7c4 1095
fe13d51d 1096/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 1097#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		 1098#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1099#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1100#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1101
a0d0e21e
LW		 1102#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1103#define strchr index
1104#define strrchr rindex
1105#endif
1106
16d20bd9
AD		 1107#ifdef I_MEMORY
1108# include <memory.h>
1109#endif
1110
fe14fcc3 1111#ifdef HAS_MEMCPY
85e6fe83 1112# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1113# ifndef memcpy
20ce7b12 1114 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 1115# endif
1116# endif
1117#else
1118# ifndef memcpy
1119# ifdef HAS_BCOPY
1120# define memcpy(d,s,l) bcopy(s,d,l)
1121# else
1122# define memcpy(d,s,l) my_bcopy(s,d,l)
1123# endif
1124# endif
1125#endif /* HAS_MEMCPY */
fe14fcc3 1126
ee0007ab 1127#ifdef HAS_MEMSET
85e6fe83 1128# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1129# ifndef memset
20ce7b12 1130 extern char *memset (char*, int, int);
ee0007ab
LW		 1131# endif
1132# endif
ee0007ab 1133#else
12ae5dfc 1134# undef memset
fc36a67e 1135# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1136#endif /* HAS_MEMSET */
1137
85e6fe83 1138#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1139# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1140# define memmove(d,s,l) bcopy(s,d,l)
1141# else
2304df62 1142# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1143# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1144# else
79072805 1145# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1146# endif
352d5a3a 1147# endif
d9d8d8de 1148#endif
ee0007ab 1149
36477c24 1150#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1151# undef HAS_MEMCMP
1152#endif
1153
1154#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1155# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1156# ifndef memcmp
20ce7b12 1157 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1158# endif
1159# endif
36477c24 1160# ifdef BUGGY_MSC
7e4e8c89 1161# pragma function(memcmp)
36477c24 1162# endif
ee0007ab
LW		 1163#else
1164# ifndef memcmp
ecfc5424 1165# define memcmp my_memcmp
352d5a3a 1166# endif
36477c24 1167#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1168
fc36a67e 1169#ifndef memzero
c635e13b 1170# ifdef HAS_MEMSET
1171# define memzero(d,l) memset(d,0,l)
79072805 1172# else
c635e13b 1173# ifdef HAS_BZERO
1174# define memzero(d,l) bzero(d,l)
79072805 1175# else
fc36a67e 1176# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1177# endif
1178# endif
d9d8d8de 1179#endif
378cc40b 1180
2f42fcb0 1181#ifndef PERL_MICRO
0f27ced1
JH		 1182#ifndef memchr
1183# ifndef HAS_MEMCHR
1184# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1185# endif
1186#endif
2f42fcb0 1187#endif
0f27ced1 1188
36477c24 1189#ifndef HAS_BCMP
1190# ifndef bcmp
1191# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1192# endif
36477c24 1193#endif /* !HAS_BCMP */
378cc40b 1194
ae986130 1195#ifdef I_NETINET_IN
79072805 1196# include <netinet/in.h>
ae986130
LW		 1197#endif
1198
28e8609d
JH		 1199#ifdef I_ARPA_INET
1200# include <arpa/inet.h>
1201#endif
1202
84902520
TB		 1203#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1204/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1205 * (the neo-BSD seem to do this). */
1206# undef SF_APPEND
1207#endif
1208
1aef975c 1209#ifdef I_SYS_STAT
84902520 1210# include <sys/stat.h>
1aef975c 1211#endif
79072805 1212
287a962e
JD		 1213/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1214 This definition should ideally go into win32/win32.h, but S_IFIFO is
1215 used later here in perl.h before win32/win32.h is being included. */
1216#if !defined(S_IFIFO) && defined(_S_IFIFO)
1217# define S_IFIFO _S_IFIFO
1218#endif
1219
cc3315ba 1220/* The stat macros for Unisoft System V/88 (and derivatives
a0d0e21e
LW		 1221 like UTekV) are broken, sometimes giving false positives. Undefine
1222 them here and let the code below set them to proper values.
1223
1224 The ghs macro stands for GreenHills Software C-1.8.5 which
1225 is the C compiler for sysV88 and the various derivatives.
1226 This header file bug is corrected in gcc-2.5.8 and later versions.
1227 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1228
cc3315ba 1229#if defined(m88k) && defined(ghs)
79072805
LW		 1230# undef S_ISDIR
1231# undef S_ISCHR
1232# undef S_ISBLK
1233# undef S_ISREG
1234# undef S_ISFIFO
1235# undef S_ISLNK
ee0007ab 1236#endif
135863df 1237
663a0e37
LW		 1238#ifdef I_TIME
1239# include <time.h>
ffed7fef 1240#endif
663a0e37 1241
fe14fcc3 1242#ifdef I_SYS_TIME
85e6fe83 1243# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1244# define KERNEL
1245# endif
1246# include <sys/time.h>
85e6fe83 1247# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1248# undef KERNEL
1249# endif
a687059c 1250#endif
135863df 1251
55497cff 1252#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1253# include <sys/times.h>
d9d8d8de 1254#endif
8d063cd8 1255
fe14fcc3 1256#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1257# undef HAS_STRERROR
663a0e37
LW		 1258#endif
1259
1260#include <errno.h>
1e743fda 1261
acfe0abc 1262#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1263# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1264#endif
1265
8cfab5ff 1266/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1267 * This is important for using IPv6.
8cfab5ff
JH		 1268 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1269 * a bad idea since it breaks send() and recv(). */
1270#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1271# define _SOCKADDR_LEN
1272#endif
1273
da70cfc6 1274#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH		 1275# include <sys/socket.h>
1276# if defined(USE_SOCKS) && defined(I_SOCKS)
1277# if !defined(INCLUDE_PROTOTYPES)
1278# define INCLUDE_PROTOTYPES /* for <socks.h> */
1279# define PERL_SOCKS_NEED_PROTOTYPES
1280# endif
1281# include <socks.h>
1282# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1283# undef INCLUDE_PROTOTYPES
1284# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1285# endif
d460ef45 1286# endif
1e743fda 1287# ifdef I_NETDB
2986a63f
JH		 1288# ifdef NETWARE
1289# include<stdio.h>
1290# endif
1e743fda
JH		 1291# include <netdb.h>
1292# endif
1293# ifndef ENOTSOCK
1294# ifdef I_NET_ERRNO
1295# include <net/errno.h>
1296# endif
1297# endif
1298#endif
1299
fa0a29af 1300/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1301 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1302 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1303#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1304# if defined(__THROW) && defined(__GLIBC__)
1305int sockatmark(int) __THROW;
1306# else
2ef53570 1307int sockatmark(int);
29820b6d 1308# endif
2ef53570
JH		 1309#endif
1310
7e827271 1311#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		 1312EXTERN_C int fchdir(int);
1313EXTERN_C int flock(int, int);
1314EXTERN_C int fseeko(FILE *, off_t, int);
1315EXTERN_C off_t ftello(FILE *);
1316#endif
1317
7e827271 1318#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1319EXTERN_C char *crypt(const char *, const char *);
7e827271 1320EXTERN_C char **environ;
1ccb7c8d
JH		 1321#endif
1322
83a6ff2e 1323#if defined(__cplusplus)
944c4fda 1324# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1325EXTERN_C char **environ;
83a6ff2e 1326# elif defined(__CYGWIN__)
667e2948
SP		 1327EXTERN_C char *crypt(const char *, const char *);
1328#endif
83a6ff2e 1329#endif
667e2948 1330
1e743fda
JH		 1331#ifdef SETERRNO
1332# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1333#endif
f86702cc 1334
1335#ifdef VMS
1336# define SETERRNO(errcode,vmserrcode) \
1337 STMT_START { \
1338 set_errno(errcode); \
1339 set_vaxc_errno(vmserrcode); \
1340 } STMT_END
4ee39169
CS		 1341# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1342# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1343# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1344# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1345
93189314
JH		 1346# define LIB_INVARG LIB$_INVARG
1347# define RMS_DIR RMS$_DIR
1348# define RMS_FAC RMS$_FAC
1349# define RMS_FEX RMS$_FEX
1350# define RMS_FNF RMS$_FNF
1351# define RMS_IFI RMS$_IFI
1352# define RMS_ISI RMS$_ISI
1353# define RMS_PRV RMS$_PRV
1354# define SS_ACCVIO SS$_ACCVIO
1355# define SS_DEVOFFLINE SS$_DEVOFFLINE
1356# define SS_IVCHAN SS$_IVCHAN
1357# define SS_NORMAL SS$_NORMAL
748a9306 1358#else
aba27d88 1359# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS		 1360# define dSAVEDERRNO int saved_errno
1361# define dSAVE_ERRNO int saved_errno = errno
1362# define SAVE_ERRNO (saved_errno = errno)
1363# define RESTORE_ERRNO (errno = saved_errno)
1364
93189314
JH		 1365# define LIB_INVARG 0
1366# define RMS_DIR 0
1367# define RMS_FAC 0
1368# define RMS_FEX 0
1369# define RMS_FNF 0
1370# define RMS_IFI 0
1371# define RMS_ISI 0
1372# define RMS_PRV 0
1373# define SS_ACCVIO 0
1374# define SS_DEVOFFLINE 0
1375# define SS_IVCHAN 0
1376# define SS_NORMAL 0
748a9306 1377#endif
ed6116ce 1378
f5fa9033 1379#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC		 1380
1381#define CLEAR_ERRSV() STMT_START { \
1382 if (!GvSV(PL_errgv)) { \
1383 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1384 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1385 SvREFCNT_dec(GvSV(PL_errgv)); \
1386 GvSV(PL_errgv) = newSVpvs(""); \
1387 } else { \
1388 SV *const errsv = GvSV(PL_errgv); \
1389 sv_setpvs(errsv, ""); \
1390 if (SvMAGICAL(errsv)) { \
1391 mg_free(errsv); \
1392 } \
1393 SvPOK_only(errsv); \
1394 } \
1395 } STMT_END
1396
1397
414bf5ae
MHM		 1398#ifdef PERL_CORE
1399# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC		 1400# define DEFSV_set(sv) \
1401 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1402# define SAVE_DEFSV \
1403 ( \
1404 save_gp(PL_defgv, 0), \
1405 GvINTRO_off(PL_defgv), \
1406 SAVEGENERICSV(GvSV(PL_defgv)), \
1407 GvSV(PL_defgv) = NULL \
1408 )
414bf5ae
MHM		 1409#else
1410# define DEFSV GvSVn(PL_defgv)
55b5114f
FC		 1411# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1412# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1413#endif
38a03e6e 1414
98eae8f5
GS		 1415#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1416
55497cff 1417#ifndef errno
5ff3f7a4
GS		 1418 extern int errno; /* ANSI allows errno to be an lvalue expr.
1419 * For example in multithreaded environments
1420 * something like this might happen:
1421 * extern int *_errno(void);
1422 * #define errno (*_errno()) */
d9d8d8de 1423#endif
663a0e37 1424
2304df62 1425#ifdef HAS_STRERROR
2242159b 1426#ifndef DONT_DECLARE_STD
a0d0e21e 1427# ifdef VMS
20ce7b12 1428 char *strerror (int,...);
a0d0e21e 1429# else
20ce7b12 1430 char *strerror (int);
a0d0e21e 1431# endif
2242159b 1432#endif
2304df62
AD		 1433# ifndef Strerror
1434# define Strerror strerror
1435# endif
1436#else
1437# ifdef HAS_SYS_ERRLIST
79072805
LW		 1438 extern int sys_nerr;
1439 extern char *sys_errlist[];
2304df62
AD		 1440# ifndef Strerror
1441# define Strerror(e) \
79072805 1442 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1443# endif
79072805 1444# endif
35c8bce7 1445#endif
663a0e37 1446
2304df62 1447#ifdef I_SYS_IOCTL
79072805
LW		 1448# ifndef _IOCTL_
1449# include <sys/ioctl.h>
1450# endif
a687059c
LW		 1451#endif
1452
ee0007ab 1453#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1454# ifdef HAS_SOCKETPAIR
1455# undef HAS_SOCKETPAIR
1456# endif
2304df62
AD		 1457# ifdef I_NDBM
1458# undef I_NDBM
79072805 1459# endif
a687059c
LW		 1460#endif
1461
02fc2eee
NC		 1462#ifndef HAS_SOCKETPAIR
1463# ifdef HAS_SOCKET
1464# define socketpair Perl_my_socketpair
1465# endif
1466#endif
1467
a687059c 1468#if INTSIZE == 2
79072805
LW		 1469# define htoni htons
1470# define ntohi ntohs
a687059c 1471#else
79072805
LW		 1472# define htoni htonl
1473# define ntohi ntohl
a687059c
LW		 1474#endif
1475
a0d0e21e 1476/* Configure already sets Direntry_t */
35c8bce7 1477#if defined(I_DIRENT)
663a0e37 1478# include <dirent.h>
8f1f23e8
W		 1479 /* NeXT needs dirent + sys/dir.h */
1480# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1481# include <sys/dir.h>
1482# endif
ae986130 1483#else
fe14fcc3 1484# ifdef I_SYS_NDIR
79a0689e 1485# include <sys/ndir.h>
663a0e37 1486# else
fe14fcc3 1487# ifdef I_SYS_DIR
79a0689e
LW		 1488# ifdef hp9000s500
1489# include <ndir.h> /* may be wrong in the future */
1490# else
1491# include <sys/dir.h>
1492# endif
663a0e37
LW		 1493# endif
1494# endif
4633a7c4 1495#endif
a687059c 1496
12ae5dfc
JH		 1497#ifdef PERL_MICRO
1498# ifndef DIR
1499# define DIR void
1500# endif
1501#endif
1502
352d5a3a
LW		 1503#ifdef FPUTS_BOTCH
1504/* work around botch in SunOS 4.0.1 and 4.0.2 */
1505# ifndef fputs
79072805 1506# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1507# endif
1508#endif
1509
c623bd54
LW		 1510/*
1511 * The following gobbledygook brought to you on behalf of __STDC__.
1512 * (I could just use #ifndef __STDC__, but this is more bulletproof
1513 * in the face of half-implementations.)
1514 */
1515
7114a2d2 1516#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1517#include <sys/mode.h>
1518#endif
1519
c623bd54
LW		 1520#ifndef S_IFMT
1521# ifdef _S_IFMT
1522# define S_IFMT _S_IFMT
1523# else
1524# define S_IFMT 0170000
1525# endif
1526#endif
1527
1528#ifndef S_ISDIR
1529# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1530#endif
1531
1532#ifndef S_ISCHR
1533# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1534#endif
1535
1536#ifndef S_ISBLK
fe14fcc3
LW		 1537# ifdef S_IFBLK
1538# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1539# else
1540# define S_ISBLK(m) (0)
1541# endif
c623bd54
LW		 1542#endif
1543
1544#ifndef S_ISREG
1545# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1546#endif
1547
1548#ifndef S_ISFIFO
fe14fcc3
LW		 1549# ifdef S_IFIFO
1550# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1551# else
1552# define S_ISFIFO(m) (0)
1553# endif
c623bd54
LW		 1554#endif
1555
1556#ifndef S_ISLNK
1557# ifdef _S_ISLNK
1558# define S_ISLNK(m) _S_ISLNK(m)
1559# else
1560# ifdef _S_IFLNK
1561# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1562# else
1563# ifdef S_IFLNK
1564# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1565# else
1566# define S_ISLNK(m) (0)
1567# endif
1568# endif
1569# endif
1570#endif
1571
1572#ifndef S_ISSOCK
1573# ifdef _S_ISSOCK
1574# define S_ISSOCK(m) _S_ISSOCK(m)
1575# else
1576# ifdef _S_IFSOCK
1577# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1578# else
1579# ifdef S_IFSOCK
1580# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1581# else
1582# define S_ISSOCK(m) (0)
1583# endif
1584# endif
1585# endif
1586#endif
1587
1588#ifndef S_IRUSR
1589# ifdef S_IREAD
1590# define S_IRUSR S_IREAD
1591# define S_IWUSR S_IWRITE
1592# define S_IXUSR S_IEXEC
1593# else
1594# define S_IRUSR 0400
1595# define S_IWUSR 0200
1596# define S_IXUSR 0100
1597# endif
fac7cdfc
JS		 1598#endif
1599
1600#ifndef S_IRGRP
1601# ifdef S_IRUSR
1602# define S_IRGRP (S_IRUSR>>3)
1603# define S_IWGRP (S_IWUSR>>3)
1604# define S_IXGRP (S_IXUSR>>3)
1605# else
1606# define S_IRGRP 0040
1607# define S_IWGRP 0020
1608# define S_IXGRP 0010
1609# endif
1610#endif
1611
1612#ifndef S_IROTH
1613# ifdef S_IRUSR
1614# define S_IROTH (S_IRUSR>>6)
1615# define S_IWOTH (S_IWUSR>>6)
1616# define S_IXOTH (S_IXUSR>>6)
1617# else
1618# define S_IROTH 0040
1619# define S_IWOTH 0020
1620# define S_IXOTH 0010
1621# endif
c623bd54
LW		 1622#endif
1623
1624#ifndef S_ISUID
1625# define S_ISUID 04000
1626#endif
1627
1628#ifndef S_ISGID
1629# define S_ISGID 02000
1630#endif
1631
ca6e1c26
JH		 1632#ifndef S_IRWXU
1633# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1634#endif
ca6e1c26
JH		 1635
1636#ifndef S_IRWXG
1637# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1638#endif
ca6e1c26
JH		 1639
1640#ifndef S_IRWXO
1641# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1642#endif
ca6e1c26 1643
b6c36746 1644/* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1645 * which would get included through <sys/file.h >, but that is 3000
1646 * lines in the future. --jhi */
1647
b6c36746 1648#if !defined(S_IREAD) && !defined(__HAIKU__)
ca6e1c26
JH		 1649# define S_IREAD S_IRUSR
1650#endif
1651
b6c36746 1652#if !defined(S_IWRITE) && !defined(__HAIKU__)
ca6e1c26
JH		 1653# define S_IWRITE S_IWUSR
1654#endif
1655
1656#ifndef S_IEXEC
1657# define S_IEXEC S_IXUSR
1658#endif
1659
79072805
LW		 1660#ifdef ff_next
1661# undef ff_next
352d5a3a
LW		 1662#endif
1663
a0d0e21e 1664#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1665# define SLOPPYDIVIDE
1666#endif
1667
748a9306
LW		 1668#ifdef UV
1669#undef UV
1670#endif
1671
ce582cee
NC		 1672/* For the times when you want the return value of sprintf, and you want it
1673 to be the length. Can't have a thread variable passed in, because C89 has
1674 no varargs macros.
1675*/
1676#ifdef SPRINTF_RETURNS_STRLEN
1677# define my_sprintf sprintf
1678#else
1679# define my_sprintf Perl_my_sprintf
1680#endif
1681
5b692037
JH		 1682/*
1683 * If we have v?snprintf() and the C99 variadic macros, we can just
1684 * use just the v?snprintf(). It is nice to try to trap the buffer
1685 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1686 * gcc statement expressions, then use the function wrappers which try
1687 * to trap the overflow. If we can use the gcc statement expressions,
1688 * we can try that even with the version that uses the C99 variadic
1689 * macros.
5b692037
JH		 1690 */
1691
1208b3dd
JH		 1692/* Note that we do not check against snprintf()/vsnprintf() returning
1693 * negative values because that is non-standard behaviour and we use
1694 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1695 * that should be true only if the snprintf()/vsnprintf() are true
1696 * to the standard. */
1697
dfeee9b1 1698#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1699# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1700# 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 1701# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1702# else
1703# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1704# endif
1705#else
1706# define my_snprintf Perl_my_snprintf
1208b3dd 1707# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1708#endif
1709
dfeee9b1 1710#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1711# ifdef PERL_USE_GCC_BRACE_GROUPS
9e440ecc 1712# define my_vsnprintf(buffer, len, ...) ({ int __len__ = vsnprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (Size_t)(len)) Perl_croak_nocontext("panic: vsnprintf buffer overflow"); __len__; })
1208b3dd 1713# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1714# else
1715# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1716# endif
1717#else
1718# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1719# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1720#endif
d9fad198 1721
a6cc4119
SP		 1722#ifdef HAS_STRLCAT
1723# define my_strlcat strlcat
1724#else
1725# define my_strlcat Perl_my_strlcat
1726#endif
1727
1728#ifdef HAS_STRLCPY
1729# define my_strlcpy strlcpy
1730#else
1731# define my_strlcpy Perl_my_strlcpy
1732#endif
1733
05f13f53 1734/*
27d4fb96 1735 The IV type is supposed to be long enough to hold any integral
1736 value or a pointer.
1737 --Andy Dougherty August 1996
1738*/
1739
a22e52b9
JH		 1740typedef IVTYPE IV;
1741typedef UVTYPE UV;
8175356b 1742
10cc9d2a 1743#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1744# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1745# define IV_MAX INT64_MAX
1746# define IV_MIN INT64_MIN
1747# define UV_MAX UINT64_MAX
cae7ae48
JH		 1748# ifndef UINT64_MIN
1749# define UINT64_MIN 0
1750# endif
5ff3f7a4
GS		 1751# define UV_MIN UINT64_MIN
1752# else
1753# define IV_MAX PERL_QUAD_MAX
1754# define IV_MIN PERL_QUAD_MIN
1755# define UV_MAX PERL_UQUAD_MAX
1756# define UV_MIN PERL_UQUAD_MIN
1757# endif
cf2093f6
JH		 1758# define IV_IS_QUAD
1759# define UV_IS_QUAD
79072805 1760#else
8175356b 1761# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1762# define IV_MAX INT32_MAX
1763# define IV_MIN INT32_MIN
716026f9
DL		 1764# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1765# define UV_MAX UINT32_MAX
1766# else
1767# define UV_MAX 4294967295U
1768# endif
cae7ae48
JH		 1769# ifndef UINT32_MIN
1770# define UINT32_MIN 0
1771# endif
5ff3f7a4
GS		 1772# define UV_MIN UINT32_MIN
1773# else
1774# define IV_MAX PERL_LONG_MAX
1775# define IV_MIN PERL_LONG_MIN
1776# define UV_MAX PERL_ULONG_MAX
1777# define UV_MIN PERL_ULONG_MIN
1778# endif
8175356b 1779# if IVSIZE == 8
cf2093f6
JH		 1780# define IV_IS_QUAD
1781# define UV_IS_QUAD
de1c2614
JH		 1782# ifndef HAS_QUAD
1783# define HAS_QUAD
1784# endif
cf2093f6
JH		 1785# else
1786# undef IV_IS_QUAD
1787# undef UV_IS_QUAD
de1c2614 1788# undef HAS_QUAD
cf2093f6 1789# endif
79072805 1790#endif
d7d93a81 1791
1109a392
MHM		 1792#ifndef HAS_QUAD
1793# undef PERL_NEED_MY_HTOLE64
1794# undef PERL_NEED_MY_LETOH64
1795# undef PERL_NEED_MY_HTOBE64
1796# undef PERL_NEED_MY_BETOH64
1797#endif
1798
cae7ae48 1799#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1800#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1801
28e5dec8 1802#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1803#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1804#endif
1805
d460ef45 1806/*
26bb67e2
JH		 1807 * The macros INT2PTR and NUM2PTR are (despite their names)
1808 * bi-directional: they will convert int/float to or from pointers.
1809 * However the conversion to int/float are named explicitly:
1810 * PTR2IV, PTR2UV, PTR2NV.
1811 *
1812 * For int conversions we do not need two casts if pointers are
1813 * the same size as IV and UV. Otherwise we need an explicit
1814 * cast (PTRV) to avoid compiler warnings.
1815 */
56431972
RB		 1816#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1817# define PTRV UV
1818# define INT2PTR(any,d) (any)(d)
1819#else
d460ef45 1820# if PTRSIZE == LONGSIZE
56431972 1821# define PTRV unsigned long
e91e3b10 1822# define PTR2ul(p) (unsigned long)(p)
42718184 1823# else
56431972 1824# define PTRV unsigned
42718184 1825# endif
e91e3b10
RB		 1826#endif
1827
1828#ifndef INT2PTR
56431972 1829# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1830#endif
e91e3b10
RB		 1831
1832#ifndef PTR2ul
1833# define PTR2ul(p) INT2PTR(unsigned long,p)
1834#endif
1835
56431972
RB		 1836#define NUM2PTR(any,d) (any)(PTRV)(d)
1837#define PTR2IV(p) INT2PTR(IV,p)
1838#define PTR2UV(p) INT2PTR(UV,p)
1839#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1840#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1841
8141890a
JH		 1842/* According to strict ANSI C89 one cannot freely cast between
1843 * data pointers and function (code) pointers. There are at least
1844 * two ways around this. One (used below) is to do two casts,
1845 * first the other pointer to an (unsigned) integer, and then
1846 * the integer to the other pointer. The other way would be
1847 * to use unions to "overlay" the pointers. For an example of
1848 * the latter technique, see union dirpu in struct xpvio in sv.h.
1849 * The only feasible use is probably temporarily storing
1850 * function pointers in a data pointer (such as a void pointer). */
1851
e91e3b10
RB		 1852#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1853#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1854
65202027 1855#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1856# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1857# define LONG_DOUBLE_EQUALS_DOUBLE
1858# endif
68d4903c 1859# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1860# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1861# endif
1862#endif
1863
2d4389e4
JH		 1864#ifdef OVR_DBL_DIG
1865/* Use an overridden DBL_DIG */
1866# ifdef DBL_DIG
1867# undef DBL_DIG
1868# endif
1869# define DBL_DIG OVR_DBL_DIG
1870#else
1871/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1872 default value for printing floating point numbers in Gconvert
1873 (see config.h). (It also has other uses, such as figuring out if
1874 a given precision of printing can be done with a double instead of
1875 a long double - Allen).
2d4389e4
JH		 1876*/
1877#ifdef I_LIMITS
1878#include <limits.h>
1879#endif
1880#ifdef I_FLOAT
1881#include <float.h>
1882#endif
1883#ifndef HAS_DBL_DIG
1884#define DBL_DIG 15 /* A guess that works lots of places */
1885#endif
1886#endif
1887
1888#ifdef OVR_LDBL_DIG
1889/* Use an overridden LDBL_DIG */
1890# ifdef LDBL_DIG
1891# undef LDBL_DIG
1892# endif
1893# define LDBL_DIG OVR_LDBL_DIG
1894#else
1895/* The following is all to get LDBL_DIG, in order to pick a nice
1896 default value for printing floating point numbers in Gconvert.
1897 (see config.h)
1898*/
68d4903c
JH		 1899# ifdef I_LIMITS
1900# include <limits.h>
1901# endif
1902# ifdef I_FLOAT
1903# include <float.h>
1904# endif
1905# ifndef HAS_LDBL_DIG
1906# if LONG_DOUBLESIZE == 10
1907# define LDBL_DIG 18 /* assume IEEE */
1908# else
1909# if LONG_DOUBLESIZE == 12
1910# define LDBL_DIG 18 /* gcc? */
1911# else
1912# if LONG_DOUBLESIZE == 16
1913# define LDBL_DIG 33 /* assume IEEE */
1914# else
1915# if LONG_DOUBLESIZE == DOUBLESIZE
1916# define LDBL_DIG DBL_DIG /* bummer */
1917# endif
1918# endif
1919# endif
1920# endif
1921# endif
2d4389e4
JH		 1922#endif
1923
20f6aaab
AS		 1924/*
1925 * This is for making sure we have a good DBL_MAX value, if possible,
1926 * either for usage as NV_MAX or for usage in figuring out if we can
1927 * fit a given long double into a double, if bug-fixing makes it
1928 * necessary to do so. - Allen <allens@cpan.org>
1929 */
1930
205f51d8
AS		 1931#ifdef I_LIMITS
1932# include <limits.h>
20f6aaab
AS		 1933#endif
1934
205f51d8
AS		 1935#ifdef I_VALUES
1936# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1937# include <values.h>
1938# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1939# define DBL_MAX MAXDOUBLE
1940# endif
1941# if defined(MINDOUBLE) && !defined(DBL_MIN)
1942# define DBL_MIN MINDOUBLE
1943# endif
1944# endif
1945#endif /* defined(I_VALUES) */
1946
a22e52b9 1947typedef NVTYPE NV;
8175356b 1948
792d8dab
JH		 1949#ifdef I_IEEEFP
1950# include <ieeefp.h>
1951#endif
923fc586 1952
65202027 1953#ifdef USE_LONG_DOUBLE
923fc586
JH		 1954# ifdef I_SUNMATH
1955# include <sunmath.h>
1956# endif
2d4389e4 1957# define NV_DIG LDBL_DIG
d6c14000
JH		 1958# ifdef LDBL_MANT_DIG
1959# define NV_MANT_DIG LDBL_MANT_DIG
1960# endif
06fc1729
JH		 1961# ifdef LDBL_MIN
1962# define NV_MIN LDBL_MIN
1963# endif
1964# ifdef LDBL_MAX
1965# define NV_MAX LDBL_MAX
1966# endif
1967# ifdef LDBL_MIN_10_EXP
1968# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1969# endif
1970# ifdef LDBL_MAX_10_EXP
1971# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1972# endif
1973# ifdef LDBL_EPSILON
1974# define NV_EPSILON LDBL_EPSILON
1975# endif
f4a14a62
JH		 1976# ifdef LDBL_MAX
1977# define NV_MAX LDBL_MAX
20f6aaab 1978/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1979# else
1980# ifdef HUGE_VALL
1981# define NV_MAX HUGE_VALL
1982# else
1983# ifdef HUGE_VAL
1984# define NV_MAX ((NV)HUGE_VAL)
1985# endif
1986# endif
1987# endif
68d4903c 1988# ifdef HAS_SQRTL
68d4903c
JH		 1989# define Perl_cos cosl
1990# define Perl_sin sinl
1991# define Perl_sqrt sqrtl
1992# define Perl_exp expl
1993# define Perl_log logl
1994# define Perl_atan2 atan2l
1995# define Perl_pow powl
1996# define Perl_floor floorl
1bbae031 1997# define Perl_ceil ceill
68d4903c
JH		 1998# define Perl_fmod fmodl
1999# endif
a3540c92
JH		 2000/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
2001# ifdef HAS_MODFL
2002# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 2003/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
2004 prototype in <math.h> */
2005# ifndef HAS_MODFL_PROTO
a221a8a5 2006EXTERN_C long double modfl(long double, long double *);
51997bc3 2007# endif
03476e8e
JH		 2008# else
2009# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 2010 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 2011# define Perl_modf(x,y) Perl_my_modfl(x,y)
2012# endif
a3540c92
JH		 2013# endif
2014# ifdef HAS_FREXPL
dff3e0b8 2015# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 2016# else
2017# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 2018 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 2019# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
2020# endif
a3540c92 2021# endif
38dbb4c5 2022# ifndef Perl_isnan
758a5d79
JH		 2023# ifdef HAS_ISNANL
2024# define Perl_isnan(x) isnanl(x)
2025# endif
2026# endif
2027# ifndef Perl_isinf
2028# ifdef HAS_FINITEL
2029# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 2030# endif
2031# endif
65202027 2032#else
2d4389e4 2033# define NV_DIG DBL_DIG
d6c14000
JH		 2034# ifdef DBL_MANT_DIG
2035# define NV_MANT_DIG DBL_MANT_DIG
2036# endif
06fc1729
JH		 2037# ifdef DBL_MIN
2038# define NV_MIN DBL_MIN
2039# endif
2040# ifdef DBL_MAX
2041# define NV_MAX DBL_MAX
2042# endif
2043# ifdef DBL_MIN_10_EXP
2044# define NV_MIN_10_EXP DBL_MIN_10_EXP
2045# endif
2046# ifdef DBL_MAX_10_EXP
2047# define NV_MAX_10_EXP DBL_MAX_10_EXP
2048# endif
2049# ifdef DBL_EPSILON
2050# define NV_EPSILON DBL_EPSILON
2051# endif
205f51d8 2052# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 2053# define NV_MAX DBL_MAX
2054# define NV_MIN DBL_MIN
2055# else
2056# ifdef HUGE_VAL
2057# define NV_MAX HUGE_VAL
2058# endif
2059# endif
65202027
DS		 2060# define Perl_cos cos
2061# define Perl_sin sin
2062# define Perl_sqrt sqrt
2063# define Perl_exp exp
2064# define Perl_log log
2065# define Perl_atan2 atan2
2066# define Perl_pow pow
2067# define Perl_floor floor
1bbae031 2068# define Perl_ceil ceil
65202027 2069# define Perl_fmod fmod
a3540c92 2070# define Perl_modf(x,y) modf(x,y)
dff3e0b8 2071# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 2072#endif
2073
2074/* rumor has it that Win32 has _fpclass() */
2075
205f51d8
AS		 2076/* SGI has fpclassl... but not with the same result values,
2077 * and it's via a typedef (not via #define), so will need to redo Configure
2078 * to use. Not worth the trouble, IMO, at least until the below is used
2079 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
2080 * with me for the SGI manpages, SGI testing, etcetera, if you want to
2081 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
2082
758a5d79
JH		 2083#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2084# ifdef I_IEEFP
2085# include <ieeefp.h>
2086# endif
2087# ifdef I_FP
2088# include <fp.h>
2089# endif
2090# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2091# define Perl_fp_class() fpclassl(x)
2092# else
2093# define Perl_fp_class() fpclass(x)
2094# endif
2095# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2096# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2097# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2098# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2099# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2100# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2101# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2102# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2103# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2104# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2105# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2106# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2107# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2108# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2109# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2110#endif
2111
7114a2d2 2112#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2113# include <math.h>
2114# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2115# include <fp_class.h>
2116# endif
2117# define Perl_fp_class(x) fp_class(x)
2118# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2119# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2120# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2121# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2122# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2123# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2124# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2125# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2126# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2127# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2128# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2129# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2130# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2131# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2132# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2133#endif
2134
2135#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2136# include <math.h>
2137# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2138# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2139# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2140# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2141# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2142# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2143#endif
2144
2145#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2146# include <math.h>
2147# ifndef _cplusplus
2148# define Perl_fp_class(x) class(x)
2149# else
2150# define Perl_fp_class(x) _class(x)
2151# endif
2152# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2153# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2154# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2155# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2156# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2157# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2158# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2159# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2160# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2161# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2162# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2163# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2164# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2165# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2166# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2167#endif
2168
2169/* rumor has it that Win32 has _isnan() */
2170
2171#ifndef Perl_isnan
a3540c92 2172# ifdef HAS_ISNAN
758a5d79
JH		 2173# define Perl_isnan(x) isnan((NV)x)
2174# else
2175# ifdef Perl_fp_class_nan
2176# define Perl_isnan(x) Perl_fp_class_nan(x)
2177# else
2178# ifdef HAS_UNORDERED
2179# define Perl_isnan(x) unordered((x), 0.0)
2180# else
2181# define Perl_isnan(x) ((x)!=(x))
2182# endif
2183# endif
2184# endif
2185#endif
2186
ca6c63e1
JH		 2187#ifdef UNDER_CE
2188int isnan(double d);
2189#endif
2190
758a5d79
JH		 2191#ifndef Perl_isinf
2192# ifdef HAS_ISINF
2193# define Perl_isinf(x) isinf((NV)x)
a3540c92 2194# else
758a5d79
JH		 2195# ifdef Perl_fp_class_inf
2196# define Perl_isinf(x) Perl_fp_class_inf(x)
2197# else
2198# define Perl_isinf(x) ((x)==NV_INF)
2199# endif
2200# endif
2201#endif
2202
2203#ifndef Perl_isfinite
2204# ifdef HAS_FINITE
2205# define Perl_isfinite(x) finite((NV)x)
2206# else
2207# ifdef HAS_ISFINITE
2208# define Perl_isfinite(x) isfinite(x)
2209# else
2210# ifdef Perl_fp_class_finite
2211# define Perl_isfinite(x) Perl_fp_class_finite(x)
2212# else
2213# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2214# endif
2215# endif
a3540c92 2216# endif
65202027
DS		 2217#endif
2218
a36244b7
JH		 2219/* The default is to use Perl's own atof() implementation (in numeric.c).
2220 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2221 * it is however best to use the native implementation of atof.
2222 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2223 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2224 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2225 * you may need to be using a different function than atof! */
a36244b7
JH		 2226
2227#ifndef USE_PERL_ATOF
2228# ifndef _UNICOS
2229# define USE_PERL_ATOF
2230# endif
2231#else
2232# if USE_PERL_ATOF == 0
2233# undef USE_PERL_ATOF
2234# endif
2235#endif
2236
2237#ifdef USE_PERL_ATOF
2238# define Perl_atof(s) Perl_my_atof(s)
2239# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2240#else
2241# define Perl_atof(s) (NV)atof(s)
2242# define Perl_atof2(s, n) ((n) = atof(s))
2243#endif
cf2093f6 2244
d460ef45 2245/* Previously these definitions used hardcoded figures.
760ac839
LW		 2246 * It is hoped these formula are more portable, although
2247 * no data one way or another is presently known to me.
2248 * The "PERL_" names are used because these calculated constants
2249 * do not meet the ANSI requirements for LONG_MAX, etc., which
2250 * need to be constants acceptable to #if - kja
2251 * define PERL_LONG_MAX 2147483647L
2252 * define PERL_LONG_MIN (-LONG_MAX - 1)
2253 * define PERL ULONG_MAX 4294967295L
2254 */
2255
2256#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2257# include <limits.h>
760ac839 2258#endif
205f51d8 2259/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2260 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2261
99abf803 2262/*
2263 * Try to figure out max and min values for the integral types. THE CORRECT
2264 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2265 * following hacks are used if neither limits.h or values.h provide them:
2266 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2267 * for types < int: (unsigned TYPE)~(unsigned)0
2268 * The argument to ~ must be unsigned so that later signed->unsigned
2269 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2270 * and it must not be smaller than int because ~ does integral promotion.
2271 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2272 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2273 * The latter is a hack which happens to work on some machines but
2274 * does *not* catch any random system, or things like integer types
2275 * with NaN if that is possible.
2276 *
2277 * All of the types are explicitly cast to prevent accidental loss of
2278 * numeric range, and in the hope that they will be less likely to confuse
2279 * over-eager optimizers.
2280 *
2281 */
27d4fb96 2282
99abf803 2283#define PERL_UCHAR_MIN ((unsigned char)0)
2284
2285#ifdef UCHAR_MAX
2286# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2287#else
99abf803 2288# ifdef MAXUCHAR
2289# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2290# else
99abf803 2291# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2292# endif
2293#endif
d460ef45 2294
99abf803 2295/*
2296 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2297 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2298 * depending on local options. Until Configure detects this (or at least
2299 * detects whether the "signed" keyword is available) the CHAR ranges
2300 * will not be included. UCHAR functions normally.
2301 * - kja
2302 */
27d4fb96 2303
99abf803 2304#define PERL_USHORT_MIN ((unsigned short)0)
2305
2306#ifdef USHORT_MAX
2307# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2308#else
99abf803 2309# ifdef MAXUSHORT
2310# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2311# else
ef2f54b0
CB		 2312# ifdef USHRT_MAX
2313# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2314# else
2315# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2316# endif
27d4fb96 2317# endif
2318#endif
2319
27d4fb96 2320#ifdef SHORT_MAX
99abf803 2321# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2322#else
2323# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2324# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2325# else
ef2f54b0
CB		 2326# ifdef SHRT_MAX
2327# define PERL_SHORT_MAX ((short)SHRT_MAX)
2328# else
2329# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2330# endif
27d4fb96 2331# endif
2332#endif
2333
2334#ifdef SHORT_MIN
99abf803 2335# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2336#else
2337# ifdef MINSHORT
99abf803 2338# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2339# else
ef2f54b0
CB		 2340# ifdef SHRT_MIN
2341# define PERL_SHORT_MIN ((short)SHRT_MIN)
2342# else
2343# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2344# endif
27d4fb96 2345# endif
2346#endif
2347
99abf803 2348#ifdef UINT_MAX
2349# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2350#else
99abf803 2351# ifdef MAXUINT
2352# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2353# else
99abf803 2354# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2355# endif
2356#endif
2357
99abf803 2358#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2359
2360#ifdef INT_MAX
99abf803 2361# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2362#else
2363# ifdef MAXINT /* Often used in <values.h> */
99abf803 2364# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2365# else
99abf803 2366# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2367# endif
2368#endif
2369
2370#ifdef INT_MIN
99abf803 2371# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2372#else
2373# ifdef MININT
99abf803 2374# define PERL_INT_MIN ((int)MININT)
27d4fb96 2375# else
2376# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2377# endif
2378#endif
2379
99abf803 2380#ifdef ULONG_MAX
2381# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2382#else
99abf803 2383# ifdef MAXULONG
2384# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2385# else
99abf803 2386# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2387# endif
2388#endif
2389
99abf803 2390#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2391
760ac839 2392#ifdef LONG_MAX
99abf803 2393# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2394#else
2395# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2396# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2397# else
99abf803 2398# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2399# endif
2400#endif
2401
2402#ifdef LONG_MIN
99abf803 2403# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2404#else
2405# ifdef MINLONG
99abf803 2406# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2407# else
27d4fb96 2408# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2409# endif
2410#endif
2411
d7d93a81 2412#ifdef UV_IS_QUAD
99abf803 2413
99abf803 2414# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2415# define PERL_UQUAD_MIN ((UV)0)
99abf803 2416# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2417# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2418
79072805
LW		 2419#endif
2420
830247a4 2421struct RExC_state_t;
8e11feef 2422struct _reg_trie_data;
880b20b6 2423
ee0007ab 2424typedef MEM_SIZE STRLEN;
450a55e4 2425
598921a7
NC		 2426#ifdef PERL_MAD
2427typedef struct token TOKEN;
2428typedef struct madprop MADPROP;
2429typedef struct nexttoken NEXTTOKE;
2430#endif
79072805
LW		 2431typedef struct op OP;
2432typedef struct cop COP;
2433typedef struct unop UNOP;
2434typedef struct binop BINOP;
2435typedef struct listop LISTOP;
2436typedef struct logop LOGOP;
79072805
LW		 2437typedef struct pmop PMOP;
2438typedef struct svop SVOP;
7934575e 2439typedef struct padop PADOP;
79072805 2440typedef struct pvop PVOP;
79072805
LW		 2441typedef struct loop LOOP;
2442
7aef8e5b 2443#ifdef PERL_CORE
8be227ab
FC		 2444typedef struct opslab OPSLAB;
2445typedef struct opslot OPSLOT;
2446#endif
2447
52db365a 2448typedef struct block_hooks BHK;
1830b3d9 2449typedef struct custom_op XOP;
52db365a 2450
cd1541b2
NC		 2451typedef struct interpreter PerlInterpreter;
2452
d2b3f365 2453/* SGI's <sys/sema.h> has struct sv */
cc3315ba 2454#if defined(__sgi)
d2b3f365 2455# define STRUCT_SV perl_sv
b8d3c5db
JH		 2456#else
2457# define STRUCT_SV sv
2458#endif
2459typedef struct STRUCT_SV SV;
79072805
LW		 2460typedef struct av AV;
2461typedef struct hv HV;
2462typedef struct cv CV;
d2f13c59 2463typedef struct p5rx REGEXP;
79072805 2464typedef struct gp GP;
0c30d9ec 2465typedef struct gv GV;
8990e307 2466typedef struct io IO;
c09156bb 2467typedef struct context PERL_CONTEXT;
79072805
LW		 2468typedef struct block BLOCK;
2469
2470typedef struct magic MAGIC;
2471typedef struct xpv XPV;
2472typedef struct xpviv XPVIV;
ff68c719 2473typedef struct xpvuv XPVUV;
79072805
LW		 2474typedef struct xpvnv XPVNV;
2475typedef struct xpvmg XPVMG;
2476typedef struct xpvlv XPVLV;
2477typedef struct xpvav XPVAV;
2478typedef struct xpvhv XPVHV;
2479typedef struct xpvgv XPVGV;
2480typedef struct xpvcv XPVCV;
2481typedef struct xpvbm XPVBM;
2482typedef struct xpvfm XPVFM;
8990e307 2483typedef struct xpvio XPVIO;
79072805
LW		 2484typedef struct mgvtbl MGVTBL;
2485typedef union any ANY;
5f7fde29
GS		 2486typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2487typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2488typedef struct clone_params CLONE_PARAMS;
2489
35e035cc 2490/* a pad or name pad is currently just an AV; but that might change,
7261499d
FC		 2491 * so hide the type. */
2492typedef struct padlist PADLIST;
67634234 2493typedef AV PAD;
35e035cc
FC		 2494typedef AV PADNAMELIST;
2495typedef SV PADNAME;
67634234 2496
07d01d6e
FC		 2497#if !defined(PERL_OLD_COPY_ON_WRITE) && !defined(PERL_NEW_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2498# define PERL_NEW_COPY_ON_WRITE
2499#endif
2500
db2c6cb3
FC		 2501#if defined(PERL_OLD_COPY_ON_WRITE) || defined(PERL_NEW_COPY_ON_WRITE)
2502# if defined(PERL_OLD_COPY_ON_WRITE) && defined(PERL_NEW_COPY_ON_WRITE)
2503# error PERL_OLD_COPY_ON_WRITE and PERL_NEW_COPY_ON_WRITE are exclusive
2504# else
2505# define PERL_ANY_COW
2506# endif
2507#endif
2508
378cc40b 2509#include "handy.h"
a0d0e21e 2510
6b8eaf93 2511#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2512# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2513# define USE_64_BIT_RAWIO /* implicit */
2514# endif
4564133c
JH		 2515#endif
2516
6b8eaf93
JH		 2517/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2518 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2519 * however, because operating systems like to do that themself. */
2520#ifndef FSEEKSIZE
2521# ifdef HAS_FSEEKO
2522# define FSEEKSIZE LSEEKSIZE
2523# else
2524# define FSEEKSIZE LONGSIZE
d460ef45 2525# endif
6b8eaf93
JH		 2526#endif
2527
2528#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2529# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2530# define USE_64_BIT_STDIO /* implicit */
2531# endif
2532#endif
4564133c 2533
09458382 2534#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2535# ifdef HAS_OFF64_T
2536# undef Off_t
2537# define Off_t off64_t
2538# undef LSEEKSIZE
2539# define LSEEKSIZE 8
5ff3f7a4 2540# endif
d9b3e12d
JH		 2541/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2542 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2543 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2544# if defined(USE_OPEN64)
2545# define open open64
5ff3f7a4 2546# endif
d9b3e12d
JH		 2547# if defined(USE_LSEEK64)
2548# define lseek lseek64
6b8eaf93
JH		 2549# else
2550# if defined(USE_LLSEEK)
2551# define lseek llseek
2552# endif
d9b3e12d
JH		 2553# endif
2554# if defined(USE_STAT64)
2555# define stat stat64
2556# endif
2557# if defined(USE_FSTAT64)
2558# define fstat fstat64
2559# endif
2560# if defined(USE_LSTAT64)
2561# define lstat lstat64
2562# endif
2563# if defined(USE_FLOCK64)
2564# define flock flock64
2565# endif
2566# if defined(USE_LOCKF64)
2567# define lockf lockf64
2568# endif
2569# if defined(USE_FCNTL64)
2570# define fcntl fcntl64
2571# endif
2572# if defined(USE_TRUNCATE64)
2573# define truncate truncate64
2574# endif
2575# if defined(USE_FTRUNCATE64)
2576# define ftruncate ftruncate64
2577# endif
2578#endif
2579
2580#ifdef USE_64_BIT_STDIO
2581# ifdef HAS_FPOS64_T
2582# undef Fpos_t
2583# define Fpos_t fpos64_t
2584# endif
2585/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2586 * will trigger defines like the ones below. Some 64-bit environments,
2587 * however, do not. */
2588# if defined(USE_FOPEN64)
2589# define fopen fopen64
2590# endif
2591# if defined(USE_FSEEK64)
6b8eaf93 2592# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2593# endif
2594# if defined(USE_FTELL64)
6b8eaf93 2595# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2596# endif
2597# if defined(USE_FSETPOS64)
2598# define fsetpos fsetpos64
2599# endif
2600# if defined(USE_FGETPOS64)
2601# define fgetpos fgetpos64
2602# endif
2603# if defined(USE_TMPFILE64)
2604# define tmpfile tmpfile64
2605# endif
2606# if defined(USE_FREOPEN64)
2607# define freopen freopen64
5ff3f7a4
GS		 2608# endif
2609#endif
2610
e37778c2 2611#if defined(OS2)
2c2d71f5
JH		 2612# include "iperlsys.h"
2613#endif
2614
748a9306 2615#ifdef DOSISH
19848b3f
JH		 2616# if defined(OS2)
2617# include "os2ish.h"
2618# else
2619# include "dosish.h"
2620# endif
2621# define ISHISH "dos"
2622#endif
2623
2624#if defined(VMS)
748a9306 2625# include "vmsish.h"
19848b3f
JH		 2626# define ISHISH "vms"
2627#endif
2628
2629#if defined(PLAN9)
2630# include "./plan9/plan9ish.h"
2631# define ISHISH "plan9"
2632#endif
2633
19848b3f 2634#if defined(__VOS__)
196918b0
PG		 2635# ifdef __GNUC__
2636# include "./vos/vosish.h"
2637# else
2638# include "vos/vosish.h"
2639# endif
19848b3f
JH		 2640# define ISHISH "vos"
2641#endif
2642
9969cdde 2643#ifdef __SYMBIAN32__
27da23d5 2644# include "symbian/symbianish.h"
27da23d5
JH		 2645# define ISHISH "symbian"
2646#endif
2647
19848b3f 2648
df00ff3b
IW		 2649#if defined(__HAIKU__)
2650# include "haiku/haikuish.h"
2651# define ISHISH "haiku"
efca5cc6
JH		 2652#endif
2653
19848b3f
JH		 2654#ifndef ISHISH
2655# include "unixish.h"
2656# define ISHISH "unix"
13b6e58c
JH		 2657#endif
2658
2946a158
JH		 2659/* NSIG logic from Configure --> */
2660/* Strange style to avoid deeply-nested #if/#else/#endif */
2661#ifndef NSIG
2662# ifdef _NSIG
2663# define NSIG (_NSIG)
2664# endif
2665#endif
2666
2667#ifndef NSIG
2668# ifdef SIGMAX
2669# define NSIG (SIGMAX+1)
2670# endif
2671#endif
2672
2673#ifndef NSIG
2674# ifdef SIG_MAX
2675# define NSIG (SIG_MAX+1)
2676# endif
2677#endif
2678
2679#ifndef NSIG
2680# ifdef _SIG_MAX
2681# define NSIG (_SIG_MAX+1)
2682# endif
2683#endif
2684
2685#ifndef NSIG
2686# ifdef MAXSIG
2687# define NSIG (MAXSIG+1)
2688# endif
2689#endif
2690
2691#ifndef NSIG
2692# ifdef MAX_SIG
2693# define NSIG (MAX_SIG+1)
2694# endif
2695#endif
2696
2697#ifndef NSIG
2698# ifdef SIGARRAYSIZE
2699# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2700# endif
2701#endif
2702
2703#ifndef NSIG
2704# ifdef _sys_nsig
2705# define NSIG (_sys_nsig) /* Solaris 2.5 */
2706# endif
2707#endif
2708
2709/* Default to some arbitrary number that's big enough to get most
2710 of the common signals.
2711*/
2712#ifndef NSIG
2713# define NSIG 50
2714#endif
2715/* <-- NSIG logic from Configure */
2716
13b6e58c
JH		 2717#ifndef NO_ENVIRON_ARRAY
2718# define USE_ENVIRON_ARRAY
2719#endif
32f822de 2720
c77b533b
JH		 2721/*
2722 * initialise to avoid floating-point exceptions from overflow, etc
2723 */
2724#ifndef PERL_FPU_INIT
2725# ifdef HAS_FPSETMASK
2726# if HAS_FLOATINGPOINT_H
2727# include <floatingpoint.h>
2728# endif
ad3a8c67
NC		 2729/* Some operating systems have this as a macro, which in turn expands to a comma
2730 expression, and the last sub-expression is something that gets calculated,
2731 and then they have the gall to warn that a value computed is not used. Hence
2732 cast to void. */
2733# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2734# else
2f42fcb0 2735# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2736# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2737# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2738# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2739# else
2740# define PERL_FPU_INIT
2f42fcb0 2741
7014c407 2742# endif
c77b533b
JH		 2743# endif
2744#endif
b35112e7
CS		 2745#ifndef PERL_FPU_PRE_EXEC
2746# define PERL_FPU_PRE_EXEC {
2747# define PERL_FPU_POST_EXEC }
2748#endif
c77b533b 2749
cbec8ebe
DM		 2750#ifndef PERL_SYS_INIT3_BODY
2751# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2752#endif
2753
eb533572 2754/*
4ad9e498 2755=for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
eb533572
DM		 2756Provides system-specific tune up of the C runtime environment necessary to
2757run Perl interpreters. This should be called only once, before creating
2758any Perl interpreters.
2759
4ad9e498 2760=for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
eb533572
DM		 2761Provides system-specific tune up of the C runtime environment necessary to
2762run Perl interpreters. This should be called only once, before creating
2763any Perl interpreters.
2764
2765=for apidoc Am|void|PERL_SYS_TERM|
2766Provides system-specific clean up of the C runtime environment after
2767running Perl interpreters. This should be called only once, after
2768freeing any remaining Perl interpreters.
2769
2770=cut
2771 */
2772
cbec8ebe
DM		 2773#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2774#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2775#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2776
be708cc0
JH		 2777#ifndef PERL_WRITE_MSG_TO_CONSOLE
2778# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2779#endif
2780
0f31cffe
GS		 2781#ifndef MAXPATHLEN
2782# ifdef PATH_MAX
b990c8b2
JH		 2783# ifdef _POSIX_PATH_MAX
2784# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2785/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2786 * included the null byte or not. Later amendments of POSIX,
2787 * XPG4, the Austin Group, and the Single UNIX Specification
2788 * all explicitly include the null byte in the PATH_MAX.
2789 * Ditto for _POSIX_PATH_MAX. */
2790# define MAXPATHLEN PATH_MAX
b990c8b2 2791# else
09448d78 2792# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2793# endif
2794# else
2795# define MAXPATHLEN (PATH_MAX+1)
2796# endif
0f31cffe 2797# else
d552bce8 2798# define MAXPATHLEN 1024 /* Err on the large side. */
0f31cffe
GS		 2799# endif
2800#endif
2801
c80263a8
SH		 2802/* In case Configure was not used (we are using a "canned config"
2803 * such as Win32, or a cross-compilation setup, for example) try going
2804 * by the gcc major and minor versions. One useful URL is
2805 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2806 * but contrary to this information warn_unused_result seems
2807 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2808 * Also, when building extensions with an installed perl, this allows
2809 * the user to upgrade gcc and get the right attributes, rather than
2810 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2811 * Set these up now otherwise we get confused when some of the <*thread.h>
2812 * includes below indirectly pull in <perlio.h> (which needs to know if we
2813 * have HASATTRIBUTE_FORMAT).
2814 */
2815
4d7c7898 2816#ifndef PERL_MICRO
fc2007d4 2817#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2818# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2819# define HASATTRIBUTE_DEPRECATED
2820# endif
c80263a8
SH		 2821# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2822# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2823# if defined __MINGW32__
2824# define PRINTF_FORMAT_NULL_OK
2825# endif
c80263a8
SH		 2826# endif
2827# if __GNUC__ >= 3 /* 3.0 -> */
2828# define HASATTRIBUTE_MALLOC
2829# endif
2830# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2831# define HASATTRIBUTE_NONNULL
2832# endif
2833# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2834# define HASATTRIBUTE_NORETURN
2835# endif
2836# if __GNUC__ >= 3 /* gcc 3.0 -> */
2837# define HASATTRIBUTE_PURE
2838# endif
42bf5550 2839# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2840# define HASATTRIBUTE_UNUSED
2841# endif
d324fe49
AD		 2842# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2843# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2844# endif
c80263a8
SH		 2845# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2846# define HASATTRIBUTE_WARN_UNUSED_RESULT
2847# endif
2848#endif
00f254e2 2849#endif /* #ifndef PERL_MICRO */
c80263a8 2850
3db8f154 2851/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2852 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2853 * this results in many functions being undeclared which bothers C++
2854 * May make sense to have threads after "*ish.h" anyway
2855 */
2856
3db8f154 2857#if defined(USE_ITHREADS)
2986a63f
JH		 2858# ifdef NETWARE
2859# include <nw5thread.h>
2860# else
32f822de
GS		 2861# ifdef FAKE_THREADS
2862# include "fakethr.h"
2863# else
2864# ifdef WIN32
2865# include <win32thread.h>
2866# else
dd96f567
IZ		 2867# ifdef OS2
2868# include "os2thread.h"
2869# else
7f3d1cf1 2870# ifdef I_MACH_CTHREADS
bdd66968 2871# include <mach/cthreads.h>
8f1f23e8 2872# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2873# define MUTEX_INIT_CALLS_MALLOC
2874# endif
7f3d1cf1
BH		 2875typedef cthread_t perl_os_thread;
2876typedef mutex_t perl_mutex;
2877typedef condition_t perl_cond;
2878typedef void * perl_key;
2879# else /* Posix threads */
1f5ae88c
JH		 2880# ifdef I_PTHREAD
2881# include <pthread.h>
2882# endif
7f3d1cf1
BH		 2883typedef pthread_t perl_os_thread;
2884typedef pthread_mutex_t perl_mutex;
2885typedef pthread_cond_t perl_cond;
2886typedef pthread_key_t perl_key;
2887# endif /* I_MACH_CTHREADS */
dd96f567 2888# endif /* OS2 */
32f822de
GS		 2889# endif /* WIN32 */
2890# endif /* FAKE_THREADS */
2986a63f 2891#endif /* NETWARE */
3db8f154 2892#endif /* USE_ITHREADS */
c5be433b 2893
66a93824 2894#if defined(WIN32)
1feb2720 2895# include "win32.h"
c5be433b
GS		 2896#endif
2897
2986a63f
JH		 2898#ifdef NETWARE
2899# include "netware.h"
2900#endif
2901
e5218da5 2902#define STATUS_UNIX PL_statusvalue
68dc0745 2903#ifdef VMS
6b88bc9c 2904# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2905/*
2906 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2907 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2908 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2909 * be updated also.
2910 */
2911# include <stsdef.h>
2912# include <ssdef.h>
2913/* Presume this because if VMS changes it, it will require a new
2914 * set of APIs for waiting on children for binary compatibility.
2915 */
2916# define child_offset_bits (8)
2917# ifndef C_FAC_POSIX
2918# define C_FAC_POSIX 0x35A000
2919# endif
2920
2921/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2922 * platform from the existing UNIX or Native status values.
2923 */
2924
37038d91 2925# define STATUS_EXIT \
7a7fd8e0
JM		 2926 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2927 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2928
7a7fd8e0 2929
fb38d079
JM		 2930/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2931 * exit code and shifts the UNIX value over the correct number of bits to
2932 * be a child status. Usually the number of bits is 8, but that could be
2933 * platform dependent. The NATIVE status code is presumed to have either
2934 * from a child process.
7a7fd8e0
JM		 2935 */
2936
fb38d079
JM		 2937/* This is complicated. The child processes return a true native VMS
2938 status which must be saved. But there is an assumption in Perl that
2939 the UNIX child status has some relationship to errno values, so
00f254e2 2940 Perl tries to translate it to text in some of the tests.
fb38d079
JM		 2941 In order to get the string translation correct, for the error, errno
2942 must be EVMSERR, but that generates a different text message
2943 than what the test programs are expecting. So an errno value must
2944 be derived from the native status value when an error occurs.
2945 That will hide the true native status message. With this version of
2946 perl, the true native child status can always be retrieved so that
2947 is not a problem. But in this case, Pl_statusvalue and errno may
2948 have different values in them.
2949 */
7a7fd8e0 2950
fb38d079 2951# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2952 STMT_START { \
2fbb330f
JM		 2953 I32 evalue = (I32)n; \
2954 if (evalue == EVMSERR) { \
2955 PL_statusvalue_vms = vaxc$errno; \
2956 PL_statusvalue = evalue; \
7a7fd8e0 2957 } else { \
2fbb330f 2958 PL_statusvalue_vms = evalue; \
fb38d079 2959 if (evalue == -1) { \
3280af22 2960 PL_statusvalue = -1; \
7a7fd8e0
JM		 2961 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2962 } else \
fb38d079 2963 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2964 set_vaxc_errno(evalue); \
fb38d079
JM		 2965 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2966 set_errno(EVMSERR); \
2967 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2968 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2969 } \
68dc0745 2970 } STMT_END
7a7fd8e0 2971
68dc0745 2972# ifdef VMSISH_STATUS
e5218da5 2973# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2974# else
e5218da5 2975# define STATUS_CURRENT STATUS_UNIX
68dc0745 2976# endif
7a7fd8e0
JM		 2977
2978 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2979 * the NATIVE status to an equivalent value. Can not be used to translate
2980 * exit code values as exit code values are not guaranteed to have any
2981 * relationship at all to errno values.
2982 * This is used when Perl is forcing errno to have a specific value.
2983 */
e5218da5 2984# define STATUS_UNIX_SET(n) \
68dc0745 2985 STMT_START { \
7a7fd8e0 2986 I32 evalue = (I32)n; \
0968cdad 2987 PL_statusvalue = evalue; \
3280af22 2988 if (PL_statusvalue != -1) { \
0968cdad
JM		 2989 if (PL_statusvalue != EVMSERR) { \
2990 PL_statusvalue &= 0xFFFF; \
2991 if (MY_POSIX_EXIT) \
2992 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2993 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2994 } \
2995 else { \
2996 PL_statusvalue_vms = vaxc$errno; \
2997 } \
68dc0745 2998 } \
0968cdad
JM		 2999 else PL_statusvalue_vms = SS$_ABORT; \
3000 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 3001 } STMT_END
3002
3003 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 3004 * the NATIVE error status based on it.
3005 *
3006 * When in the default mode to comply with the Perl VMS documentation,
3007 * 0 is a success and any other code sets the NATIVE status to a failure
3008 * code of SS$_ABORT.
fb38d079
JM		 3009 *
3010 * In the new POSIX EXIT mode, native status will be set so that the
3011 * actual exit code will can be retrieved by the calling program or
3012 * shell.
3013 *
3014 * If the exit code is not clearly a UNIX parent or child exit status,
3015 * it will be passed through as a VMS status.
7a7fd8e0
JM		 3016 */
3017
fb38d079 3018# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 3019 STMT_START { \
3020 I32 evalue = (I32)n; \
3021 PL_statusvalue = evalue; \
e08e1e1d
JM		 3022 if (MY_POSIX_EXIT) { \
3023 if (evalue <= 0xFF00) { \
3024 if (evalue > 0xFF) \
3025 evalue = (evalue >> child_offset_bits) & 0xFF; \
3026 PL_statusvalue_vms = \
3027 (C_FAC_POSIX | (evalue << 3 ) | \
3028 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
3029 } else /* forgive them Perl, for they have sinned */ \
3030 PL_statusvalue_vms = evalue; \
3031 } else { \
3032 if (evalue == 0) \
3033 PL_statusvalue_vms = SS$_NORMAL; \
3034 else if (evalue <= 0xFF00) \
3035 PL_statusvalue_vms = SS$_ABORT; \
3036 else { /* forgive them Perl, for they have sinned */ \
3037 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3038 else PL_statusvalue_vms = vaxc$errno; \
3039 /* And obviously used a VMS status value instead of UNIX */ \
3040 PL_statusvalue = EVMSERR; \
3041 } \
3042 set_vaxc_errno(PL_statusvalue_vms); \
3043 } \
68dc0745 3044 } STMT_END
fb38d079 3045
e08e1e1d 3046
6ac6a52b
JM		 3047 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3048 * and sets the NATIVE error status based on it. This special case
3049 * is needed to maintain compatibility with past VMS behavior.
3050 *
3051 * In the default mode on VMS, this number is passed through as
3052 * both the NATIVE and UNIX status. Which makes it different
3053 * that the STATUS_UNIX_EXIT_SET.
3054 *
3055 * In the new POSIX EXIT mode, native status will be set so that the
3056 * actual exit code will can be retrieved by the calling program or
3057 * shell.
3058 *
1a3aec58
JM		 3059 * A POSIX exit code is from 0 to 255. If the exit code is higher
3060 * than this, it needs to be assumed that it is a VMS exit code and
3061 * passed through.
6ac6a52b
JM		 3062 */
3063
3064# define STATUS_EXIT_SET(n) \
3065 STMT_START { \
3066 I32 evalue = (I32)n; \
3067 PL_statusvalue = evalue; \
3068 if (MY_POSIX_EXIT) \
1a3aec58
JM		 3069 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3070 PL_statusvalue_vms = \
3071 (C_FAC_POSIX | (evalue << 3 ) | \
3072 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 3073 else \
3074 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3075 set_vaxc_errno(PL_statusvalue_vms); \
3076 } STMT_END
3077
fb38d079
JM		 3078
3079 /* This macro forces a success status */
7a7fd8e0
JM		 3080# define STATUS_ALL_SUCCESS \
3081 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 3082
3083 /* This macro forces a failure status */
7a7fd8e0
JM		 3084# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3085 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3086 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3087
68dc0745 3088#else
e5218da5 3089# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3090# if defined(WCOREDUMP)
37038d91 3091# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3092 STMT_START { \
3093 PL_statusvalue_posix = (n); \
3094 if (PL_statusvalue_posix == -1) \
3095 PL_statusvalue = -1; \
3096 else { \
3097 PL_statusvalue = \
3098 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3099 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3100 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3101 } \
3102 } STMT_END
3103# elif defined(WIFEXITED)
37038d91 3104# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3105 STMT_START { \
3106 PL_statusvalue_posix = (n); \
3107 if (PL_statusvalue_posix == -1) \
3108 PL_statusvalue = -1; \
3109 else { \
3110 PL_statusvalue = \
3111 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3112 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3113 } \
3114 } STMT_END
3115# else
37038d91 3116# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3117 STMT_START { \
3118 PL_statusvalue_posix = (n); \
3119 if (PL_statusvalue_posix == -1) \
3120 PL_statusvalue = -1; \
3121 else { \
3122 PL_statusvalue = \
3123 PL_statusvalue_posix & 0xFFFF; \
3124 } \
3125 } STMT_END
3126# endif
3127# define STATUS_UNIX_SET(n) \
68dc0745 3128 STMT_START { \
3280af22
NIS		 3129 PL_statusvalue = (n); \
3130 if (PL_statusvalue != -1) \
3131 PL_statusvalue &= 0xFFFF; \
68dc0745 3132 } STMT_END
7a7fd8e0 3133# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3134# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3135# define STATUS_CURRENT STATUS_UNIX
37038d91 3136# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3137# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3138# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3139#endif
3140
cc3604b1
GS		 3141/* flags in PL_exit_flags for nature of exit() */
3142#define PERL_EXIT_EXPECTED 0x01
31d77e54 3143#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3144
b79b76e0 3145#ifndef PERL_CORE
a7cb1f99 3146/* format to use for version numbers in file/directory names */
273cf8d1 3147/* XXX move to Configure? */
b79b76e0
NC		 3148/* This was only ever used for the current version, and that can be done at
3149 compile time, as PERL_FS_VERSION, so should we just delete it? */
3150# ifndef PERL_FS_VER_FMT
3151# define PERL_FS_VER_FMT "%d.%d.%d"
3152# endif
3153#endif
3154
3155#ifndef PERL_FS_VERSION
3156# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS		 3157#endif
3158
45bc9206 3159/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3160 * performance issue, so we allow people to disable it. Also, if
3161 * we are using stdio, there are broken implementations of fflush(NULL)
3162 * out there, Solaris being the most prominent.
45bc9206
GS		 3163 */
3164#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3165# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3166# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3167# else
3168# ifdef FFLUSH_ALL
3169# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3170# else
c5be433b 3171# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3172# endif
66fe083f 3173# endif
45bc9206
GS		 3174#endif
3175
7766f137
GS		 3176#ifndef PERL_WAIT_FOR_CHILDREN
3177# define PERL_WAIT_FOR_CHILDREN NOOP
3178#endif
3179
ba869deb 3180/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3181#ifndef PERL_SET_INTERP
3182# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3183#endif
3184
3185#ifndef PERL_GET_INTERP
3186# define PERL_GET_INTERP (PL_curinterp)
3187#endif
3188
54aff467 3189#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3190# ifdef MULTIPLICITY
ba869deb 3191# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3192# endif
ba869deb
GS		 3193# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3194#endif
3195
00f254e2 3196/*
8896765a 3197 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3198 All that is required is that the perl source does not
00f254e2
KW		 3199 use "%-p" or "%-<number>p" or "%<number>p" formats.
3200 These formats will still work in perl code.
486ec47a 3201 See comments in sv.c for further details.
8896765a 3202
8896765a 3203 Robin Barker 2005-07-14
f46d31f2 3204
00f254e2 3205 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3206*/
8896765a
RB		 3207
3208#ifndef SVf_
63ce7bf0 3209# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3210#endif
3211
8896765a 3212#ifndef SVf
104abab4 3213# define SVf "-p"
d2560b70
RB		 3214#endif
3215
014ead4b 3216#ifndef SVf32
8896765a 3217# define SVf32 SVf_(32)
014ead4b
RB		 3218#endif
3219
3220#ifndef SVf256
8896765a
RB		 3221# define SVf256 SVf_(256)
3222#endif
3223
be2597df
MHM		 3224#define SVfARG(p) ((void*)(p))
3225
20023040
FC		 3226#ifndef HEKf
3227# define HEKf "2p"
3228#endif
3229
b8fa5213
FC		 3230/* Not ideal, but we cannot easily include a number in an already-numeric
3231 * format sequence. */
3232#ifndef HEKf256
3233# define HEKf256 "3p"
3234#endif
3235
20023040
FC		 3236#define HEKfARG(p) ((void*)(p))
3237
f46d31f2 3238#ifdef PERL_CORE
486ec47a 3239/* not used; but needed for backward compatibility with XS code? - RMB */
f46d31f2
RB		 3240# undef VDf
3241#else
3242# ifndef VDf
8896765a
RB		 3243# define VDf "vd"
3244# endif
014ead4b 3245#endif
170cd9e9
NC		 3246
3247#ifdef PERL_CORE
486ec47a 3248/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB		 3249# undef UVf
3250#else
170cd9e9
NC		 3251# ifndef UVf
3252# define UVf UVuf
3253# endif
d2560b70
RB		 3254#endif
3255
fcdf39cf
RGS		 3256#ifdef HASATTRIBUTE_DEPRECATED
3257# define __attribute__deprecated__ __attribute__((deprecated))
3258#endif
0dbb1585
AL		 3259#ifdef HASATTRIBUTE_FORMAT
3260# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3261#endif
3262#ifdef HASATTRIBUTE_MALLOC
77785eea 3263# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3264#endif
0dbb1585 3265#ifdef HASATTRIBUTE_NONNULL
abb2c242 3266# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3267#endif
0dbb1585 3268#ifdef HASATTRIBUTE_NORETURN
abb2c242 3269# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3270#endif
0dbb1585 3271#ifdef HASATTRIBUTE_PURE
abb2c242 3272# define __attribute__pure__ __attribute__((pure))
f22be1b8 3273#endif
0dbb1585
AL		 3274#ifdef HASATTRIBUTE_UNUSED
3275# define __attribute__unused__ __attribute__((unused))
3276#endif
3277#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3278# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3279#endif
3280
0dbb1585 3281/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3282#ifndef __attribute__deprecated__
3283# define __attribute__deprecated__
3284#endif
0dbb1585
AL		 3285#ifndef __attribute__format__
3286# define __attribute__format__(x,y,z)
3287#endif
f22be1b8 3288#ifndef __attribute__malloc__
abb2c242 3289# define __attribute__malloc__
f22be1b8
JH		 3290#endif
3291#ifndef __attribute__nonnull__
abb2c242 3292# define __attribute__nonnull__(a)
f22be1b8
JH		 3293#endif
3294#ifndef __attribute__noreturn__
abb2c242 3295# define __attribute__noreturn__
f22be1b8
JH		 3296#endif
3297#ifndef __attribute__pure__
abb2c242 3298# define __attribute__pure__
f22be1b8 3299#endif
0dbb1585
AL		 3300#ifndef __attribute__unused__
3301# define __attribute__unused__
3302#endif
f22be1b8 3303#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3304# define __attribute__warn_unused_result__
3305#endif
3306
0dbb1585
AL		 3307/* For functions that are marked as __attribute__noreturn__, it's not
3308 appropriate to call return. In either case, include the lint directive.
3309 */
3310#ifdef HASATTRIBUTE_NORETURN
118e2215 3311# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */
0dbb1585 3312#else
118e2215 3313# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */ return 0
abb2c242
JH		 3314#endif
3315
cdfeb707
RB		 3316/* Some OS warn on NULL format to printf */
3317#ifdef PRINTF_FORMAT_NULL_OK
3318# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3319#else
00f254e2 3320# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB		 3321#endif
3322
635aebb7 3323#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3324# define EXPECT(expr,val) __builtin_expect(expr,val)
3325#else
3326# define EXPECT(expr,val) (expr)
3327#endif
3328#define LIKELY(cond) EXPECT(cond,1)
3329#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3330#ifdef HAS_BUILTIN_CHOOSE_EXPR
3331/* placeholder */
3332#endif
b37c2d43 3333
3fc1aec6 3334/* Some unistd.h's give a prototype for pause() even though
3335 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3336 below to be rejected by the compiler. Sigh.
3fc1aec6 3337*/
3338#ifdef HAS_PAUSE
3339#define Pause pause
3340#else
3341#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3342#endif
3343
3344#ifndef IOCPARM_LEN
3345# ifdef IOCPARM_MASK
61f1c44b 3346 /* on BSDish systems we're safe */
748a9306
LW		 3347# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3348# else
61f1c44b 3349# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3350 /* on Linux systems we're safe; except when we're not [perl #38223] */
3351# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3352# else
748a9306 3353 /* otherwise guess at what's safe */
61f1c44b
JVD		 3354# define IOCPARM_LEN(x) 256
3355# endif
748a9306 3356# endif
a0d0e21e
LW		 3357#endif
3358
1761cee5 3359#if defined(__CYGWIN__)
521e0776
GS		 3360/* USEMYBINMODE
3361 * This symbol, if defined, indicates that the program should
16fe6d59 3362 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3363 * that a file is in "binary" mode -- that is, that no translation
3364 * of bytes occurs on read or write operations.
3365 */
36894f0b 3366# define USEMYBINMODE /**/
77a40698 3367# include <io.h> /* for setmode() prototype */
16fe6d59 3368# define my_binmode(fp, iotype, mode) \
77a40698 3369 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3370#endif
3371
88d10794
JH		 3372#ifdef __CYGWIN__
3373void init_os_extras(void);
3374#endif
3375
cea2e8a9
GS		 3376#ifdef UNION_ANY_DEFINITION
3377UNION_ANY_DEFINITION;
3378#else
3379union any {
3380 void* any_ptr;
3381 I32 any_i32;
3382 IV any_iv;
c6bf6a65 3383 UV any_uv;
cea2e8a9 3384 long any_long;
9febdf04 3385 bool any_bool;
c76ac1ee 3386 void (*any_dptr) (void*);
acfe0abc 3387 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3388};
3389#endif
3390
acfe0abc 3391typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3392
3393#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3394#define FILTER_DATA(idx) \
3395 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3396#define FILTER_ISREADER(idx) \
3397 (PL_parser && PL_parser->rsfp_filters \
3398 && idx >= AvFILLp(PL_parser->rsfp_filters))
3399#define PERL_FILTER_EXISTS(i) \
3400 (PL_parser && PL_parser->rsfp_filters \
3401 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3402
c5078cac
JH		 3403#if defined(_AIX) && !defined(_AIX43)
3404#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3405/* We cannot include <crypt.h> to get the struct crypt_data
3406 * because of setkey prototype problems when threading */
3407typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3408 /* From OSF, Not needed in AIX
3409 char C[28], D[28];
3410 */
3411 char E[48];
3412 char KS[16][48];
3413 char block[66];
3414 char iobuf[16];
3415} CRYPTD;
3416#endif /* threading */
3417#endif /* AIX */
3418
e37778c2 3419#if !defined(OS2)
2c2d71f5
JH		 3420# include "iperlsys.h"
3421#endif
504f80c1 3422
9c12f1e5 3423#ifdef __LIBCATAMOUNT__
00f254e2 3424#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS		 3425#undef HAS_GROUP
3426#define FAKE_BIT_BUCKET
3427#endif
3428
d10dc2ae
JH		 3429/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3430 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3431 * defined by Configure, despite their names being similar to the
3432 * other defines like USE_ITHREADS. Configure in fact knows nothing
3433 * about the randomised hashes. Therefore to enable/disable the hash
3434 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3435#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3436# define USE_HASH_SEED
504f80c1
JH		 3437#endif
3438
598921a7
NC		 3439/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3440 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3441 * it's not really needed.
3442 */
3443#if defined(WIN32)
3444# define YYTOKENTYPE
3445#endif
3446#include "perly.h"
3447
3448#ifdef PERL_MAD
3449struct nexttoken {
3450 YYSTYPE next_val; /* value of next token, if any */
3451 I32 next_type; /* type of next token */
3452 MADPROP *next_mad; /* everything else about that token */
3453};
3454#endif
3455
654eccd5
JD		 3456/* macros to define bit-fields in structs. */
3457#ifndef PERL_BITFIELD8
3458# define PERL_BITFIELD8 unsigned
3459#endif
3460#ifndef PERL_BITFIELD16
3461# define PERL_BITFIELD16 unsigned
3462#endif
3463#ifndef PERL_BITFIELD32
3464# define PERL_BITFIELD32 unsigned
3465#endif
3466
79072805 3467#include "sv.h"
288b8c02 3468#include "regexp.h"
378cc40b 3469#include "util.h"
8d063cd8 3470#include "form.h"
79072805 3471#include "gv.h"
dd2155a4 3472#include "pad.h"
79072805 3473#include "cv.h"
abdd5c84 3474#include "opnames.h"
79072805 3475#include "op.h"
b3ca2e83 3476#include "hv.h"
79072805
LW		 3477#include "cop.h"
3478#include "av.h"
79072805
LW		 3479#include "mg.h"
3480#include "scope.h"
4438c4b7 3481#include "warnings.h"
a0ed51b3 3482#include "utf8.h"
8d063cd8 3483
0d7d409d
DM		 3484/* these would be in doio.h if there was such a file */
3485#define my_stat() my_stat_flags(SV_GMAGIC)
3486#define my_lstat() my_lstat_flags(SV_GMAGIC)
3487
20f4945e 3488/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM		 3489#undef _XPV_HEAD
3490#undef _XPVMG_HEAD
3491#undef _XPVCV_COMMON
7fae4e64
GS		 3492
3493typedef struct _sublex_info SUBLEXINFO;
3494struct _sublex_info {
651b5b28
NC		 3495 U8 super_state; /* lexer state to save */
3496 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3497 OP *sub_op; /* "lex_op" to use */
7cc34111 3498 SV *repl; /* replacement of s/// or y/// */
7fae4e64
GS		 3499};
3500
199e78b7
DM		 3501#include "parser.h"
3502
455ece5e 3503typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3504
2c2d71f5 3505struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3506struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3507
5f7fde29
GS		 3508struct ptr_tbl_ent {
3509 struct ptr_tbl_ent* next;
53c1dcc0 3510 const void* oldval;
5f7fde29 3511 void* newval;
d18c6117
GS		 3512};
3513
5f7fde29
GS		 3514struct ptr_tbl {
3515 struct ptr_tbl_ent** tbl_ary;
3516 UV tbl_max;
3517 UV tbl_items;
db93c0c4
NC		 3518 struct ptr_tbl_arena *tbl_arena;
3519 struct ptr_tbl_ent *tbl_arena_next;
3520 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS		 3521};
3522
fe14fcc3
LW		 3523#if defined(htonl) && !defined(HAS_HTONL)
3524#define HAS_HTONL
ae986130 3525#endif
fe14fcc3
LW		 3526#if defined(htons) && !defined(HAS_HTONS)
3527#define HAS_HTONS
ae986130 3528#endif
fe14fcc3
LW		 3529#if defined(ntohl) && !defined(HAS_NTOHL)
3530#define HAS_NTOHL
ae986130 3531#endif
fe14fcc3
LW		 3532#if defined(ntohs) && !defined(HAS_NTOHS)
3533#define HAS_NTOHS
ae986130 3534#endif
fe14fcc3 3535#ifndef HAS_HTONL
d9d8d8de 3536#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3537#define HAS_HTONS
3538#define HAS_HTONL
3539#define HAS_NTOHS
3540#define HAS_NTOHL
a687059c
LW		 3541#define MYSWAP
3542#define htons my_swap
3543#define htonl my_htonl
3544#define ntohs my_swap
3545#define ntohl my_ntohl
3546#endif
3547#else
d9d8d8de 3548#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3549#undef HAS_HTONS
3550#undef HAS_HTONL
3551#undef HAS_NTOHS
3552#undef HAS_NTOHL
a687059c
LW		 3553#endif
3554#endif
3555
988174c1
LW		 3556/*
3557 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3558 * -DWS
3559 */
3560#if BYTEORDER != 0x1234
3561# define HAS_VTOHL
3562# define HAS_VTOHS
3563# define HAS_HTOVL
3564# define HAS_HTOVS
c67712b2 3565# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3566# define vtohl(x) ((((x)&0xFF)<<24) \
3567 +(((x)>>24)&0xFF) \
3568 +(((x)&0x0000FF00)<<8) \
3569 +(((x)&0x00FF0000)>>8) )
3570# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3571# define htovl(x) vtohl(x)
3572# define htovs(x) vtohs(x)
3573# endif
3574 /* otherwise default to functions in util.c */
2a8c3029 3575#ifndef htovs
c623ac67
GS		 3576short htovs(short n);
3577short vtohs(short n);
3578long htovl(long n);
3579long vtohl(long n);
988174c1 3580#endif
2a8c3029 3581#endif
988174c1 3582
3bb7c1b4
JH		 3583/* *MAX Plus 1. A floating point value.
3584 Hopefully expressed in a way that dodgy floating point can't mess up.
3585 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3586 is added to it
3587 May find that some broken compiler will want the value cast to I32.
3588 [after the shift, as signed >> may not be as secure as unsigned >>]
3589*/
3590#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3591#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3592/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3593 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3594 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3595*/
3596#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3597
3bb7c1b4
JH		 3598#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3599#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3600#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3601
3602/* This may look like unnecessary jumping through hoops, but converting
3603 out of range floating point values to integers *is* undefined behaviour,
3604 and it is starting to bite.
3605*/
3606#ifndef CAST_INLINE
65202027 3607#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3608#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3609#define I_V(what) (cast_iv((NV)(what)))
3610#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3611#else
3612#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3613 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3614 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3615#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3616 : ((n) < U32_MAX_P1 ? (U32) (n) \
3617 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3618#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3619 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3620 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3621#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3622 : ((n) < UV_MAX_P1 ? (UV) (n) \
3623 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3624#endif
3625
3626#define U_S(what) ((U16)U_32(what))
3627#define U_I(what) ((unsigned int)U_32(what))
3628#define U_L(what) U_32(what)
ed6116ce 3629
ed140128
AD		 3630#ifdef HAS_SIGNBIT
3631# define Perl_signbit signbit
3632#endif
3633
2d4389e4
JH		 3634/* These do not care about the fractional part, only about the range. */
3635#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3636#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3637
25da4f38
IZ		 3638/* Used with UV/IV arguments: */
3639 /* XXXX: need to speed it up */
3640#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3641#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3642
352d5a3a
LW		 3643#ifndef MAXSYSFD
3644# define MAXSYSFD 2
3645#endif
ee0007ab 3646
79072805 3647#ifndef __cplusplus
e37d7e38 3648#if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3649Uid_t getuid (void);
3650Uid_t geteuid (void);
3651Gid_t getgid (void);
3652Gid_t getegid (void);
79072805 3653#endif
e1caacb4 3654#endif
8d063cd8 3655
0c30d9ec 3656#ifndef Perl_debug_log
bf49b057
GS		 3657# define Perl_debug_log PerlIO_stderr()
3658#endif
3659
3660#ifndef Perl_error_log
3661# define Perl_error_log (PL_stderrgv \
6b78add2 3662 && isGV(PL_stderrgv) \
01bb7c6d 3663 && GvIOp(PL_stderrgv) \
42de951c 3664 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3665 ? IoOFP(GvIOp(PL_stderrgv)) \
3666 : PerlIO_stderr())
0c30d9ec 3667#endif
3967c732 3668
aea4f609
DM		 3669
3670#define DEBUG_p_FLAG 0x00000001 /* 1 */
3671#define DEBUG_s_FLAG 0x00000002 /* 2 */
3672#define DEBUG_l_FLAG 0x00000004 /* 4 */
3673#define DEBUG_t_FLAG 0x00000008 /* 8 */
3674#define DEBUG_o_FLAG 0x00000010 /* 16 */
3675#define DEBUG_c_FLAG 0x00000020 /* 32 */
3676#define DEBUG_P_FLAG 0x00000040 /* 64 */
3677#define DEBUG_m_FLAG 0x00000080 /* 128 */
3678#define DEBUG_f_FLAG 0x00000100 /* 256 */
3679#define DEBUG_r_FLAG 0x00000200 /* 512 */
3680#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3681#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3682/* U is reserved for Unofficial, exploratory hacking */
3683#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3684#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3685#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3686#define DEBUG_D_FLAG 0x00008000 /* 32768 */
56967202 3687#define DEBUG_S_FLAG 0x00010000 /* 65536 */
aea4f609 3688#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3689#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3690#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3691#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3692#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3693#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3694#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 3695#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3696#define DEBUG_B_FLAG 0x02000000 /*33554432*/
56967202 3697#define DEBUG_MASK 0x03FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3698
3699#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3700#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3701 that something was done? */
aea4f609 3702
bd16a5f0
IZ		 3703# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3704# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3705# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3706# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3707# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3708# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3709# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3710# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3711# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3712# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3713# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3714# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3715# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3716# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3717# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3718# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
56967202 3719# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
bd16a5f0
IZ		 3720# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3721# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3722# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3723# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3724# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3725# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3726# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3727# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3728# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3729# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3730# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3731# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3732
3967c732 3733#ifdef DEBUGGING
aea4f609 3734
bd16a5f0
IZ		 3735# define DEBUG_p_TEST DEBUG_p_TEST_
3736# define DEBUG_s_TEST DEBUG_s_TEST_
3737# define DEBUG_l_TEST DEBUG_l_TEST_
3738# define DEBUG_t_TEST DEBUG_t_TEST_
3739# define DEBUG_o_TEST DEBUG_o_TEST_
3740# define DEBUG_c_TEST DEBUG_c_TEST_
3741# define DEBUG_P_TEST DEBUG_P_TEST_
3742# define DEBUG_m_TEST DEBUG_m_TEST_
3743# define DEBUG_f_TEST DEBUG_f_TEST_
3744# define DEBUG_r_TEST DEBUG_r_TEST_
3745# define DEBUG_x_TEST DEBUG_x_TEST_
3746# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3747# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3748# define DEBUG_H_TEST DEBUG_H_TEST_
3749# define DEBUG_X_TEST DEBUG_X_TEST_
3750# define DEBUG_D_TEST DEBUG_D_TEST_
56967202 3751# define DEBUG_S_TEST DEBUG_S_TEST_
bd16a5f0
IZ		 3752# define DEBUG_T_TEST DEBUG_T_TEST_
3753# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3754# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3755# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3756# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3757# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3758# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3759# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3760# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC		 3761# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3762# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3763# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3764
488b0c7a
JH		 3765# define PERL_DEB(a) a
3766# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3767# define DEBUG_p(a) if (DEBUG_p_TEST) a
3768# define DEBUG_s(a) if (DEBUG_s_TEST) a
3769# define DEBUG_l(a) if (DEBUG_l_TEST) a
3770# define DEBUG_t(a) if (DEBUG_t_TEST) a
3771# define DEBUG_o(a) if (DEBUG_o_TEST) a
3772# define DEBUG_c(a) if (DEBUG_c_TEST) a
3773# define DEBUG_P(a) if (DEBUG_P_TEST) a
3774
969058bb
VK		 3775 /* Temporarily turn off memory debugging in case the a
3776 * does memory allocation, either directly or indirectly. */
acfe0abc 3777# define DEBUG_m(a) \
0b250b9e 3778 STMT_START { \
aea4f609 3779 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3780 } STMT_END
aea4f609 3781
5f80b19c
AMS		 3782# define DEBUG__(t, a) \
3783 STMT_START { \
3784 if (t) STMT_START {a;} STMT_END; \
3785 } STMT_END
3786
3787# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3788#ifndef PERL_EXT_RE_BUILD
5f80b19c 3789# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3790#else
3791# define DEBUG_r(a) STMT_START {a;} STMT_END
3792#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3793# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3794# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3795# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3796# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3797# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3798# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3799# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3800# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3801# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3802
56967202 3803# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
5f80b19c
AMS		 3804# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3805# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3806# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3807# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3808# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3809# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3810# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3811# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM		 3812
3813#else /* DEBUGGING */
3814
3815# define DEBUG_p_TEST (0)
3816# define DEBUG_s_TEST (0)
3817# define DEBUG_l_TEST (0)
3818# define DEBUG_t_TEST (0)
3819# define DEBUG_o_TEST (0)
3820# define DEBUG_c_TEST (0)
3821# define DEBUG_P_TEST (0)
3822# define DEBUG_m_TEST (0)
3823# define DEBUG_f_TEST (0)
3824# define DEBUG_r_TEST (0)
3825# define DEBUG_x_TEST (0)
3826# define DEBUG_u_TEST (0)
88d2d28a 3827# define DEBUG_U_TEST (0)
aea4f609
DM		 3828# define DEBUG_H_TEST (0)
3829# define DEBUG_X_TEST (0)
3830# define DEBUG_D_TEST (0)
56967202 3831# define DEBUG_S_TEST (0)
aea4f609 3832# define DEBUG_T_TEST (0)
04932ac8 3833# define DEBUG_R_TEST (0)
1045810a 3834# define DEBUG_J_TEST (0)
d6721266 3835# define DEBUG_v_TEST (0)
46187eeb 3836# define DEBUG_C_TEST (0)
ecae49c0
NC		 3837# define DEBUG_A_TEST (0)
3838# define DEBUG_q_TEST (0)
d7c0d282 3839# define DEBUG_M_TEST (0)
cc8773c0 3840# define DEBUG_B_TEST (0)
7949c6f5
JC		 3841# define DEBUG_Xv_TEST (0)
3842# define DEBUG_Uv_TEST (0)
ad9e76a8 3843# define DEBUG_Pv_TEST (0)
aea4f609 3844
488b0c7a
JH		 3845# define PERL_DEB(a)
3846# define PERL_DEBUG(a)
aea4f609
DM		 3847# define DEBUG_p(a)
3848# define DEBUG_s(a)
3849# define DEBUG_l(a)
3850# define DEBUG_t(a)
3851# define DEBUG_o(a)
3852# define DEBUG_c(a)
3853# define DEBUG_P(a)
3854# define DEBUG_m(a)
3855# define DEBUG_f(a)
3856# define DEBUG_r(a)
3857# define DEBUG_x(a)
3858# define DEBUG_u(a)
88d2d28a 3859# define DEBUG_U(a)
aea4f609
DM		 3860# define DEBUG_H(a)
3861# define DEBUG_X(a)
3862# define DEBUG_D(a)
56967202 3863# define DEBUG_S(a)
aea4f609 3864# define DEBUG_T(a)
04932ac8 3865# define DEBUG_R(a)
d6721266 3866# define DEBUG_v(a)
46187eeb 3867# define DEBUG_C(a)
ecae49c0
NC		 3868# define DEBUG_A(a)
3869# define DEBUG_q(a)
d7c0d282 3870# define DEBUG_M(a)
cc8773c0 3871# define DEBUG_B(a)
7949c6f5
JC		 3872# define DEBUG_Xv(a)
3873# define DEBUG_Uv(a)
ad9e76a8 3874# define DEBUG_Pv(a)
aea4f609
DM		 3875#endif /* DEBUGGING */
3876
3877
b4ab917c 3878#define DEBUG_SCOPE(where) \
d9f81b50 3879 DEBUG_l( \
1c98cc53
DM		 3880 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
3881 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
d9f81b50 3882 __FILE__, __LINE__));
b4ab917c 3883
de84dc04
NC		 3884#if defined(DEBUGGING) && defined(I_ASSERT)
3885# include <assert.h>
3886#endif
3887
3888/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3889 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3890
de84dc04 3891#define Perl_assert(what) PERL_DEB( \
2b057284 3892 ((what) ? ((void) 0) : \
67eb4d30 3893 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3894 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3895 (void) 0)))
de84dc04
NC		 3896
3897#ifndef assert
3898# define assert(what) Perl_assert(what)
a446a88f 3899#endif
c7724415
FC		 3900#ifdef DEBUGGING
3901# define assert_(what) assert(what),
3902#else
3903# define assert_(what)
3904#endif
8d063cd8 3905
450a55e4 3906struct ufuncs {
24f81a43
DM		 3907 I32 (*uf_val)(pTHX_ IV, SV*);
3908 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3909 IV uf_index;
450a55e4
LW		 3910};
3911
14befaf4 3912/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3913 * XS code wanting to be backward compatible can do something
3914 * like the following:
c745e42c 3915
24f81a43 3916#ifndef PERL_MG_UFUNC
24f81a43
DM		 3917#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3918#endif
3919
3920static PERL_MG_UFUNC(foo_get, index, val)
3921{
3922 sv_setsv(val, ...);
3923 return TRUE;
3924}
3925
3926-- Doug MacEachern
3927
3928*/
3929
fc9c74e6 3930#ifndef PERL_MG_UFUNC
24f81a43 3931#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3932#endif
24f81a43 3933
fe14fcc3 3934/* Fix these up for __STDC__ */
68dc0745 3935#ifndef DONT_DECLARE_STD
20ce7b12 3936char *mktemp (char*);
37bd1396 3937#ifndef atof
20ce7b12 3938double atof (const char*);
a0d0e21e 3939#endif
37bd1396 3940#endif
79072805 3941
352d5a3a 3942#ifndef STANDARD_C
fe14fcc3 3943/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3944Time_t time();
8d063cd8 3945struct tm *gmtime(), *localtime();
043fec90 3946#if defined(OEMVS)
9d116dd7
JH		 3947char *(strchr)(), *(strrchr)();
3948char *(strcpy)(), *(strcat)();
3949#else
93a17b20 3950char *strchr(), *strrchr();
378cc40b 3951char *strcpy(), *strcat();
9d116dd7 3952#endif
352d5a3a 3953#endif /* ! STANDARD_C */
8d063cd8 3954
79072805
LW		 3955
3956#ifdef I_MATH
3957# include <math.h>
3958#else
32f822de 3959START_EXTERN_C
20ce7b12
GS		 3960 double exp (double);
3961 double log (double);
3962 double log10 (double);
3963 double sqrt (double);
3964 double frexp (double,int*);
3965 double ldexp (double,int);
3966 double modf (double,double*);
3967 double sin (double);
3968 double cos (double);
3969 double atan2 (double,double);
3970 double pow (double,double);
32f822de 3971END_EXTERN_C
79072805
LW		 3972#endif
3973
aa8b85de
JH		 3974#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3975# define NV_INF LDBL_INFINITY
3976#endif
3977#if !defined(NV_INF) && defined(DBL_INFINITY)
3978# define NV_INF (NV)DBL_INFINITY
3979#endif
3980#if !defined(NV_INF) && defined(INFINITY)
3981# define NV_INF (NV)INFINITY
3982#endif
3983#if !defined(NV_INF) && defined(INF)
3984# define NV_INF (NV)INF
3985#endif
3986#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3987# define NV_INF (NV)HUGE_VALL
3988#endif
3989#if !defined(NV_INF) && defined(HUGE_VAL)
3990# define NV_INF (NV)HUGE_VAL
3991#endif
3992
3993#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3994# if !defined(NV_NAN) && defined(LDBL_NAN)
3995# define NV_NAN LDBL_NAN
3996# endif
3997# if !defined(NV_NAN) && defined(LDBL_QNAN)
3998# define NV_NAN LDBL_QNAN
3999# endif
4000# if !defined(NV_NAN) && defined(LDBL_SNAN)
4001# define NV_NAN LDBL_SNAN
4002# endif
4003#endif
4004#if !defined(NV_NAN) && defined(DBL_NAN)
4005# define NV_NAN (NV)DBL_NAN
4006#endif
4007#if !defined(NV_NAN) && defined(DBL_QNAN)
4008# define NV_NAN (NV)DBL_QNAN
4009#endif
4010#if !defined(NV_NAN) && defined(DBL_SNAN)
4011# define NV_NAN (NV)DBL_SNAN
4012#endif
4013#if !defined(NV_NAN) && defined(QNAN)
4014# define NV_NAN (NV)QNAN
4015#endif
4016#if !defined(NV_NAN) && defined(SNAN)
4017# define NV_NAN (NV)SNAN
4018#endif
4019#if !defined(NV_NAN) && defined(NAN)
4020# define NV_NAN (NV)NAN
4021#endif
4022
a0d0e21e 4023#ifndef __cplusplus
8f1f23e8 4024# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 4025char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 4026# else
fd8cd3a3 4027# if !defined(WIN32) && !defined(VMS)
10bc17b6 4028#ifndef crypt
20ce7b12 4029char *crypt (const char*, const char*);
10bc17b6 4030#endif
5014db98 4031# endif /* !WIN32 */
8f1f23e8 4032# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 4033# ifndef DONT_DECLARE_STD
4034# ifndef getenv
20ce7b12 4035char *getenv (const char*);
26618a56 4036# endif /* !getenv */
739a0b84 4037# if !defined(HAS_LSEEK_PROTO) && !defined(__hpux)
0fc67700 4038# ifdef _FILE_OFFSET_BITS
28ca6303 4039# if _FILE_OFFSET_BITS == 64
20ce7b12 4040Off_t lseek (int,Off_t,int);
0fc67700
JH		 4041# endif
4042# endif
bf0c440f 4043# endif
26618a56 4044# endif /* !DONT_DECLARE_STD */
e37d7e38
SH		 4045# ifndef WIN32
4046# ifndef getlogin
20ce7b12 4047char *getlogin (void);
e37d7e38
SH		 4048# endif
4049# endif /* !WIN32 */
26618a56 4050#endif /* !__cplusplus */
79072805 4051
7a7fd8e0
JM		 4052/* Fixme on VMS. This needs to be a run-time, not build time options */
4053/* Also rename() is affected by this */
16d20bd9 4054#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 4055#define UNLINK unlnk
083639a9 4056I32 unlnk (pTHX_ const char*);
8d063cd8 4057#else
80252599 4058#define UNLINK PerlLIO_unlink
8d063cd8 4059#endif
a687059c 4060
fa0a29af
JH		 4061/* some versions of glibc are missing the setresuid() proto */
4062#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 4063int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4064#endif
fa0a29af
JH		 4065/* some versions of glibc are missing the setresgid() proto */
4066#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 4067int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4068#endif
4069
fe14fcc3 4070#ifndef HAS_SETREUID
85e6fe83
LW		 4071# ifdef HAS_SETRESUID
4072# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4073# define HAS_SETREUID
4074# endif
a687059c 4075#endif
fe14fcc3 4076#ifndef HAS_SETREGID
85e6fe83
LW		 4077# ifdef HAS_SETRESGID
4078# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4079# define HAS_SETREGID
4080# endif
a687059c 4081#endif
ee0007ab 4082
d543acb6 4083/* Sighandler_t defined in iperlsys.h */
ff68c719 4084
4085#ifdef HAS_SIGACTION
4086typedef struct sigaction Sigsave_t;
4087#else
4088typedef Sighandler_t Sigsave_t;
4089#endif
4090
ee0007ab
LW		 4091#define SCAN_DEF 0
4092#define SCAN_TR 1
4093#define SCAN_REPL 2
79072805
LW		 4094
4095#ifdef DEBUGGING
4633a7c4 4096# ifndef register
a0d0e21e
LW		 4097# define register
4098# endif
cea2e8a9 4099# define RUNOPS_DEFAULT Perl_runops_debug
79072805 4100#else
cea2e8a9 4101# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 4102#endif
4103
6cb8cb21 4104#ifdef USE_PERLIO
0934c9d9 4105EXTERN_C void PerlIO_teardown(void);
2f44961c 4106# ifdef USE_ITHREADS
6cb8cb21
RGS		 4107# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4108# define PERLIO_TERM \
4109 STMT_START { \
d0820ef1 4110 PerlIO_teardown(); \
6cb8cb21
RGS		 4111 MUTEX_DESTROY(&PL_perlio_mutex);\
4112 } STMT_END
4113# else
4114# define PERLIO_INIT
d0820ef1 4115# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 4116# endif
6b29934b
NC		 4117#else
4118# define PERLIO_INIT
4119# define PERLIO_TERM
6cb8cb21
RGS		 4120#endif
4121
18f739ee 4122#ifdef MYMALLOC
772fe5b3 4123# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 4124# define MALLOC_INIT \
4125 STMT_START { \
4126 PL_malloc_mutex = NULL; \
4127 MUTEX_INIT(&PL_malloc_mutex); \
4128 } STMT_END
4129# define MALLOC_TERM \
4130 STMT_START { \
4131 perl_mutex tmp = PL_malloc_mutex; \
4132 PL_malloc_mutex = NULL; \
4133 MUTEX_DESTROY(&tmp); \
4134 } STMT_END
4135# else
4136# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4137# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4138# endif
18f739ee
IZ		 4139#else
4140# define MALLOC_INIT
4141# define MALLOC_TERM
4142#endif
4143
cd1541b2 4144#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 4145
4146struct perl_memory_debug_header;
cd1541b2
NC		 4147struct perl_memory_debug_header {
4148 tTHX interpreter;
4149# ifdef PERL_POISON
4150 MEM_SIZE size;
cd1541b2 4151# endif
7cb608b5
NC		 4152 struct perl_memory_debug_header *prev;
4153 struct perl_memory_debug_header *next;
cd1541b2
NC		 4154};
4155
4156# define sTHX (sizeof(struct perl_memory_debug_header) + \
4157 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4158 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4159
d8fca402
NC		 4160#else
4161# define sTHX 0
cd1541b2
NC		 4162#endif
4163
7cb608b5
NC		 4164#ifdef PERL_TRACK_MEMPOOL
4165# define INIT_TRACK_MEMPOOL(header, interp) \
4166 STMT_START { \
4167 (header).interpreter = (interp); \
4168 (header).prev = (header).next = &(header); \
4169 } STMT_END
4170# else
4171# define INIT_TRACK_MEMPOOL(header, interp)
4172#endif
4173
1cd66f7c
DD		 4174#ifdef I_MALLOCMALLOC
4175/* Needed for malloc_size(), malloc_good_size() on some systems */
4176# include <malloc/malloc.h>
4177#endif
4178
ca7c1a29
NC		 4179#ifdef MYMALLOC
4180# define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
cfe52898 4181#else
e82be400
NC		 4182# ifdef HAS_MALLOC_SIZE
4183# ifdef PERL_TRACK_MEMPOOL
cfe52898
RGS		 4184# define Perl_safesysmalloc_size(where) \
4185 (malloc_size(((char *)(where)) - sTHX) - sTHX)
e82be400
NC		 4186# else
4187# define Perl_safesysmalloc_size(where) malloc_size(where)
4188# endif
4189# endif
4190# ifdef HAS_MALLOC_GOOD_SIZE
4191# ifdef PERL_TRACK_MEMPOOL
d8fca402
NC		 4192# define Perl_malloc_good_size(how_much) \
4193 (malloc_good_size((how_much) + sTHX) - sTHX)
e82be400
NC		 4194# else
4195# define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4196# endif
4197# else
d8fca402
NC		 4198/* Having this as the identity operation makes some code simpler. */
4199# define Perl_malloc_good_size(how_much) (how_much)
e82be400 4200# endif
ca7c1a29 4201#endif
b6d9d515 4202
16c91539
BM		 4203typedef int (*runops_proc_t)(pTHX);
4204typedef void (*share_proc_t) (pTHX_ SV *sv);
4205typedef int (*thrhook_proc_t) (pTHX);
4206typedef OP* (*PPADDR_t[]) (pTHX);
4207typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4208typedef void (*despatch_signals_proc_t) (pTHX);
22c35a8c 4209
8f1f23e8
W		 4210/* NeXT has problems with crt0.o globals */
4211#if defined(__DYNAMIC__) && \
6239f2da 4212 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 4213# if defined(NeXT) || defined(__NeXT)
4214# include <mach-o/dyld.h>
4215# define environ (*environ_pointer)
0c30d9ec 4216EXT char *** environ_pointer;
8f1f23e8 4217# else
6239f2da 4218# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 4219# include <crt_externs.h> /* for the env array */
4220# define environ (*_NSGetEnviron())
4221# endif
0c30d9ec 4222# endif
8f1f23e8
W		 4223#else
4224 /* VMS and some other platforms don't use the environ array */
13b6e58c 4225# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 4226# if !defined(DONT_DECLARE_STD) || \
4227 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
4228 defined(__sgi) || \
d460ef45 4229 defined(__DGUX)
8f1f23e8 4230extern char ** environ; /* environment variables supplied via exec */
a6c40364 4231# endif
8f1f23e8
W		 4232# endif
4233#endif
79072805 4234
457c5385
NC		 4235#define PERL_PATCHLEVEL_H_IMPLICIT
4236#include "patchlevel.h"
4237#undef PERL_PATCHLEVEL_H_IMPLICIT
4238
4239#define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4240 STRINGIFY(PERL_VERSION) "." \
4241 STRINGIFY(PERL_SUBVERSION)
4242
4243#define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4244 STRINGIFY(PERL_API_VERSION) "." \
4245 STRINGIFY(PERL_API_SUBVERSION)
4246
73c4f7a1
GS		 4247START_EXTERN_C
4248
79072805 4249/* handy constants */
22c35a8c 4250EXTCONST char PL_warn_uninit[]
29489e7c 4251 INIT("Use of uninitialized value%s%s%s");
fef7e7a0
BF		 4252EXTCONST char PL_warn_uninit_sv[]
4253 INIT("Use of uninitialized value%"SVf"%s%s");
22c35a8c 4254EXTCONST char PL_warn_nosemi[]
463ee0b2 4255 INIT("Semicolon seems to be missing");
22c35a8c 4256EXTCONST char PL_warn_reserved[]
463ee0b2 4257 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4258EXTCONST char PL_warn_nl[]
93a17b20 4259 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4260EXTCONST char PL_no_wrongref[]
a0d0e21e 4261 INIT("Can't use %s ref as %s ref");
def89bff
NC		 4262/* The core no longer needs these here. If you require the string constant,
4263 please inline a copy into your own code. */
973a7615
NC		 4264EXTCONST char PL_no_symref[] __attribute__deprecated__
4265 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
def89bff
NC		 4266EXTCONST char PL_no_symref_sv[] __attribute__deprecated__
4267 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 4268EXTCONST char PL_no_usym[]
8990e307 4269 INIT("Can't use an undefined value as %s reference");
22c35a8c 4270EXTCONST char PL_no_aelem[]
93a17b20 4271 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4272EXTCONST char PL_no_helem_sv[]
d04ff51e 4273 INIT("Modification of non-creatable hash value attempted, subscript \"%"SVf"\"");
22c35a8c 4274EXTCONST char PL_no_modify[]
93a17b20 4275 INIT("Modification of a read-only value attempted");
4cbe3a7d 4276EXTCONST char PL_no_mem[sizeof("Out of memory!\n")]
93a17b20 4277 INIT("Out of memory!\n");
22c35a8c 4278EXTCONST char PL_no_security[]
463ee0b2 4279 INIT("Insecure dependency in %s%s");
22c35a8c 4280EXTCONST char PL_no_sock_func[]
93a17b20 4281 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4282EXTCONST char PL_no_dir_func[]
93a17b20 4283 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4284EXTCONST char PL_no_func[]
93a17b20 4285 INIT("The %s function is unimplemented");
22c35a8c 4286EXTCONST char PL_no_myglob[]
952306ac 4287 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 4288EXTCONST char PL_no_localize_ref[]
4289 INIT("Can't localize through a reference");
27d5b266
JH		 4290EXTCONST char PL_memory_wrap[]
4291 INIT("panic: memory wrap");
93a17b20 4292
58f645e2
NC		 4293EXTCONST char PL_Yes[]
4294 INIT("1");
4295EXTCONST char PL_No[]
4296 INIT("");
4297EXTCONST char PL_hexdigit[]
4298 INIT("0123456789abcdef0123456789ABCDEF");
4299
0447859b
NC		 4300/* This is constant on most architectures, a global on OS/2 */
4301#ifndef OS2
4302EXTCONST char PL_sh_path[]
4303 INIT(SH_PATH); /* full path of shell */
4304#endif
4305
618b9757
NC		 4306#ifdef CSH
4307EXTCONST char PL_cshname[]
4308 INIT(CSH);
4309# define PL_cshlen (sizeof(CSH "") - 1)
4310#endif
4311
457c5385
NC		 4312/* These are baked at compile time into any shared perl library.
4313 In future releases this will allow us in main() to sanity test the
4314 library we're linking against. */
4315
4316EXTCONST U8 PL_revision
4317 INIT(PERL_REVISION);
4318EXTCONST U8 PL_version
4319 INIT(PERL_VERSION);
4320EXTCONST U8 PL_subversion
4321 INIT(PERL_SUBVERSION);
4322
7575fa06 4323EXTCONST char PL_uuemap[65]
80252599
GS		 4324 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4325
79072805 4326#ifdef DOINIT
9444d213 4327EXTCONST char PL_uudmap[256] =
dde5ec2c
NC		 4328# ifdef PERL_MICRO
4329# include "uuudmap.h"
4330# else
4331# include "uudmap.h"
4332# endif
9444d213 4333;
efa50c51 4334EXTCONST char PL_bitcount[256] =
dde5ec2c
NC		 4335# ifdef PERL_MICRO
4336# include "ubitcount.h"
4337#else
4338# include "bitcount.h"
4339# endif
efa50c51 4340;
27da23d5
JH		 4341EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4342EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4343#else
9444d213 4344EXTCONST char PL_uudmap[256];
efa50c51 4345EXTCONST char PL_bitcount[256];
27da23d5
JH		 4346EXTCONST char* const PL_sig_name[];
4347EXTCONST int PL_sig_num[];
79072805
LW		 4348#endif
4349
6d8e7a01
KW		 4350/* fast conversion and case folding tables. The folding tables complement the
4351 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4352 * folds such as outside the range or to multiple characters. */
bbce6d69 4353
79072805 4354#ifdef DOINIT
d02f4dad
KW		 4355#ifndef EBCDIC
4356
4357/* The EBCDIC fold table depends on the code page, and hence is found in
4358 * utfebcdic.h */
4359
22c35a8c 4360EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4361 0, 1, 2, 3, 4, 5, 6, 7,
4362 8, 9, 10, 11, 12, 13, 14, 15,
4363 16, 17, 18, 19, 20, 21, 22, 23,
4364 24, 25, 26, 27, 28, 29, 30, 31,
4365 32, 33, 34, 35, 36, 37, 38, 39,
4366 40, 41, 42, 43, 44, 45, 46, 47,
4367 48, 49, 50, 51, 52, 53, 54, 55,
4368 56, 57, 58, 59, 60, 61, 62, 63,
4369 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4370 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4371 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4372 'x', 'y', 'z', 91, 92, 93, 94, 95,
4373 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4374 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4375 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4376 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4377 128, 129, 130, 131, 132, 133, 134, 135,
4378 136, 137, 138, 139, 140, 141, 142, 143,
4379 144, 145, 146, 147, 148, 149, 150, 151,
4380 152, 153, 154, 155, 156, 157, 158, 159,
4381 160, 161, 162, 163, 164, 165, 166, 167,
4382 168, 169, 170, 171, 172, 173, 174, 175,
4383 176, 177, 178, 179, 180, 181, 182, 183,
4384 184, 185, 186, 187, 188, 189, 190, 191,
4385 192, 193, 194, 195, 196, 197, 198, 199,
4386 200, 201, 202, 203, 204, 205, 206, 207,
4387 208, 209, 210, 211, 212, 213, 214, 215,
4388 216, 217, 218, 219, 220, 221, 222, 223,
4389 224, 225, 226, 227, 228, 229, 230, 231,
4390 232, 233, 234, 235, 236, 237, 238, 239,
4391 240, 241, 242, 243, 244, 245, 246, 247,
4392 248, 249, 250, 251, 252, 253, 254, 255
4393};
3871f40b
KW		 4394EXTCONST unsigned char PL_fold_latin1[] = {
4395 /* Full latin1 complement folding, except for three problematic code points:
4396 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4397 * fold complements outside the Latin1 range, so can't match something
4398 * that isn't in utf8.
4399 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4400 * not one, so can't be represented in this table.
4401 *
4402 * All have to be specially handled */
4403 0, 1, 2, 3, 4, 5, 6, 7,
4404 8, 9, 10, 11, 12, 13, 14, 15,
4405 16, 17, 18, 19, 20, 21, 22, 23,
4406 24, 25, 26, 27, 28, 29, 30, 31,
4407 32, 33, 34, 35, 36, 37, 38, 39,
4408 40, 41, 42, 43, 44, 45, 46, 47,
4409 48, 49, 50, 51, 52, 53, 54, 55,
4410 56, 57, 58, 59, 60, 61, 62, 63,
4411 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4412 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4413 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4414 'x', 'y', 'z', 91, 92, 93, 94, 95,
4415 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4416 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4417 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4418 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4419 128, 129, 130, 131, 132, 133, 134, 135,
4420 136, 137, 138, 139, 140, 141, 142, 143,
4421 144, 145, 146, 147, 148, 149, 150, 151,
4422 152, 153, 154, 155, 156, 157, 158, 159,
4423 160, 161, 162, 163, 164, 165, 166, 167,
4424 168, 169, 170, 171, 172, 173, 174, 175,
4425 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4426 184, 185, 186, 187, 188, 189, 190, 191,
4427 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4428 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4429 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4430 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4431 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4432 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4433 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4434 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4435 255 /* y with diaeresis */
4436};
00f254e2
KW		 4437#endif /* !EBCDIC, but still in DOINIT */
4438
4439/* If these tables are accessed through ebcdic, the access will be converted to
4440 * latin1 first */
4441EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4442 0, 1, 2, 3, 4, 5, 6, 7,
4443 8, 9, 10, 11, 12, 13, 14, 15,
4444 16, 17, 18, 19, 20, 21, 22, 23,
4445 24, 25, 26, 27, 28, 29, 30, 31,
4446 32, 33, 34, 35, 36, 37, 38, 39,
4447 40, 41, 42, 43, 44, 45, 46, 47,
4448 48, 49, 50, 51, 52, 53, 54, 55,
4449 56, 57, 58, 59, 60, 61, 62, 63,
4450 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4451 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4452 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4453 'x', 'y', 'z', 91, 92, 93, 94, 95,
4454 96, 97, 98, 99, 100, 101, 102, 103,
4455 104, 105, 106, 107, 108, 109, 110, 111,
4456 112, 113, 114, 115, 116, 117, 118, 119,
4457 120, 121, 122, 123, 124, 125, 126, 127,
4458 128, 129, 130, 131, 132, 133, 134, 135,
4459 136, 137, 138, 139, 140, 141, 142, 143,
4460 144, 145, 146, 147, 148, 149, 150, 151,
4461 152, 153, 154, 155, 156, 157, 158, 159,
4462 160, 161, 162, 163, 164, 165, 166, 167,
4463 168, 169, 170, 171, 172, 173, 174, 175,
4464 176, 177, 178, 179, 180, 181, 182, 183,
4465 184, 185, 186, 187, 188, 189, 190, 191,
4466 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4467 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4468 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4469 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4470 224, 225, 226, 227, 228, 229, 230, 231,
4471 232, 233, 234, 235, 236, 237, 238, 239,
4472 240, 241, 242, 243, 244, 245, 246, 247,
4473 248, 249, 250, 251, 252, 253, 254, 255
4474};
4475
4476/* upper and title case of latin1 characters, modified so that the three tricky
4477 * ones are mapped to 255 (which is one of the three) */
4478EXTCONST unsigned char PL_mod_latin1_uc[] = {
4479 0, 1, 2, 3, 4, 5, 6, 7,
4480 8, 9, 10, 11, 12, 13, 14, 15,
4481 16, 17, 18, 19, 20, 21, 22, 23,
4482 24, 25, 26, 27, 28, 29, 30, 31,
4483 32, 33, 34, 35, 36, 37, 38, 39,
4484 40, 41, 42, 43, 44, 45, 46, 47,
4485 48, 49, 50, 51, 52, 53, 54, 55,
4486 56, 57, 58, 59, 60, 61, 62, 63,
4487 64, 65, 66, 67, 68, 69, 70, 71,
4488 72, 73, 74, 75, 76, 77, 78, 79,
4489 80, 81, 82, 83, 84, 85, 86, 87,
4490 88, 89, 90, 91, 92, 93, 94, 95,
4491 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4492 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4493 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4494 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4495 128, 129, 130, 131, 132, 133, 134, 135,
4496 136, 137, 138, 139, 140, 141, 142, 143,
4497 144, 145, 146, 147, 148, 149, 150, 151,
4498 152, 153, 154, 155, 156, 157, 158, 159,
4499 160, 161, 162, 163, 164, 165, 166, 167,
4500 168, 169, 170, 171, 172, 173, 174, 175,
4501 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4502 184, 185, 186, 187, 188, 189, 190, 191,
4503 192, 193, 194, 195, 196, 197, 198, 199,
4504 200, 201, 202, 203, 204, 205, 206, 207,
4505 208, 209, 210, 211, 212, 213, 214, 215,
4506 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/,
4507 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4508 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4509 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4510 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4511};
4512#else /* ! DOINIT */
22c35a8c 4513EXTCONST unsigned char PL_fold[];
3871f40b 4514EXTCONST unsigned char PL_fold_latin1[];
00f254e2
KW		 4515EXTCONST unsigned char PL_mod_latin1_uc[];
4516EXTCONST unsigned char PL_latin1_lc[];
79072805
LW		 4517#endif
4518
27da23d5 4519#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4520#ifdef DOINIT
27da23d5 4521EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4522 0, 1, 2, 3, 4, 5, 6, 7,
4523 8, 9, 10, 11, 12, 13, 14, 15,
4524 16, 17, 18, 19, 20, 21, 22, 23,
4525 24, 25, 26, 27, 28, 29, 30, 31,
4526 32, 33, 34, 35, 36, 37, 38, 39,
4527 40, 41, 42, 43, 44, 45, 46, 47,
4528 48, 49, 50, 51, 52, 53, 54, 55,
4529 56, 57, 58, 59, 60, 61, 62, 63,
4530 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4531 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4532 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4533 'x', 'y', 'z', 91, 92, 93, 94, 95,
4534 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4535 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4536 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4537 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4538 128, 129, 130, 131, 132, 133, 134, 135,
4539 136, 137, 138, 139, 140, 141, 142, 143,
4540 144, 145, 146, 147, 148, 149, 150, 151,
4541 152, 153, 154, 155, 156, 157, 158, 159,
4542 160, 161, 162, 163, 164, 165, 166, 167,
4543 168, 169, 170, 171, 172, 173, 174, 175,
4544 176, 177, 178, 179, 180, 181, 182, 183,
4545 184, 185, 186, 187, 188, 189, 190, 191,
4546 192, 193, 194, 195, 196, 197, 198, 199,
4547 200, 201, 202, 203, 204, 205, 206, 207,
4548 208, 209, 210, 211, 212, 213, 214, 215,
4549 216, 217, 218, 219, 220, 221, 222, 223,
4550 224, 225, 226, 227, 228, 229, 230, 231,
4551 232, 233, 234, 235, 236, 237, 238, 239,
4552 240, 241, 242, 243, 244, 245, 246, 247,
4553 248, 249, 250, 251, 252, 253, 254, 255
4554};
4555#else
27da23d5 4556EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4557#endif
27da23d5 4558#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4559
4560#ifdef DOINIT
9d116dd7 4561#ifdef EBCDIC
27da23d5 4562EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4563 1, 2, 84, 151, 154, 155, 156, 157,
4564 165, 246, 250, 3, 158, 7, 18, 29,
4565 40, 51, 62, 73, 85, 96, 107, 118,
4566 129, 140, 147, 148, 149, 150, 152, 153,
4567 255, 6, 8, 9, 10, 11, 12, 13,
4568 14, 15, 24, 25, 26, 27, 28, 226,
4569 29, 30, 31, 32, 33, 43, 44, 45,
4570 46, 47, 48, 49, 50, 76, 77, 78,
4571 79, 80, 81, 82, 83, 84, 85, 86,
4572 87, 94, 95, 234, 181, 233, 187, 190,
4573 180, 96, 97, 98, 99, 100, 101, 102,
4574 104, 112, 182, 174, 236, 232, 229, 103,
4575 228, 226, 114, 115, 116, 117, 118, 119,
4576 120, 121, 122, 235, 176, 230, 194, 162,
4577 130, 131, 132, 133, 134, 135, 136, 137,
4578 138, 139, 201, 205, 163, 217, 220, 224,
4579 5, 248, 227, 244, 242, 255, 241, 231,
4580 240, 253, 16, 197, 19, 20, 21, 187,
4581 23, 169, 210, 245, 237, 249, 247, 239,
4582 168, 252, 34, 196, 36, 37, 38, 39,
4583 41, 42, 251, 254, 238, 223, 221, 213,
4584 225, 177, 52, 53, 54, 55, 56, 57,
4585 58, 59, 60, 61, 63, 64, 65, 66,
4586 67, 68, 69, 70, 71, 72, 74, 75,
4587 205, 208, 186, 202, 200, 218, 198, 179,
4588 178, 214, 88, 89, 90, 91, 92, 93,
4589 217, 166, 170, 207, 199, 209, 206, 204,
4590 160, 212, 105, 106, 108, 109, 110, 111,
4591 203, 113, 216, 215, 192, 175, 193, 243,
4592 172, 161, 123, 124, 125, 126, 127, 128,
4593 222, 219, 211, 195, 188, 193, 185, 184,
4594 191, 183, 141, 142, 143, 144, 145, 146
4595};
4596#else /* ascii rather than ebcdic */
22c35a8c 4597EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4598 1, 2, 84, 151, 154, 155, 156, 157,
4599 165, 246, 250, 3, 158, 7, 18, 29,
4600 40, 51, 62, 73, 85, 96, 107, 118,
4601 129, 140, 147, 148, 149, 150, 152, 153,
4602 255, 182, 224, 205, 174, 176, 180, 217,
4603 233, 232, 236, 187, 235, 228, 234, 226,
4604 222, 219, 211, 195, 188, 193, 185, 184,
4605 191, 183, 201, 229, 181, 220, 194, 162,
4606 163, 208, 186, 202, 200, 218, 198, 179,
4607 178, 214, 166, 170, 207, 199, 209, 206,
4608 204, 160, 212, 216, 215, 192, 175, 173,
4609 243, 172, 161, 190, 203, 189, 164, 230,
4610 167, 248, 227, 244, 242, 255, 241, 231,
4611 240, 253, 169, 210, 245, 237, 249, 247,
4612 239, 168, 252, 251, 254, 238, 223, 221,
4613 213, 225, 177, 197, 171, 196, 159, 4,
4614 5, 6, 8, 9, 10, 11, 12, 13,
4615 14, 15, 16, 17, 19, 20, 21, 22,
4616 23, 24, 25, 26, 27, 28, 30, 31,
4617 32, 33, 34, 35, 36, 37, 38, 39,
4618 41, 42, 43, 44, 45, 46, 47, 48,
4619 49, 50, 52, 53, 54, 55, 56, 57,
4620 58, 59, 60, 61, 63, 64, 65, 66,
4621 67, 68, 69, 70, 71, 72, 74, 75,
4622 76, 77, 78, 79, 80, 81, 82, 83,
4623 86, 87, 88, 89, 90, 91, 92, 93,
4624 94, 95, 97, 98, 99, 100, 101, 102,
4625 103, 104, 105, 106, 108, 109, 110, 111,
4626 112, 113, 114, 115, 116, 117, 119, 120,
4627 121, 122, 123, 124, 125, 126, 127, 128,
4628 130, 131, 132, 133, 134, 135, 136, 137,
4629 138, 139, 141, 142, 143, 144, 145, 146
4630};
9d116dd7 4631#endif
79072805 4632#else
22c35a8c 4633EXTCONST unsigned char PL_freq[];
79072805
LW		 4634#endif
4635
b0812ba3
DM		 4636/* Although only used for debugging, these constants must be available in
4637 * non-debugging builds too, since they're used in ext/re/re_exec.c,
4638 * which has DEBUGGING enabled always */
8990e307 4639#ifdef DOINIT
27da23d5 4640EXTCONST char* const PL_block_type[] = {
8990e307 4641 "NULL",
d01136d6 4642 "WHEN",
8990e307 4643 "BLOCK",
0d863452 4644 "GIVEN",
d01136d6
BS		 4645 "LOOP_FOR",
4646 "LOOP_PLAIN",
4647 "LOOP_LAZYSV",
4648 "LOOP_LAZYIV",
76753e7f
NC		 4649 "SUB",
4650 "FORMAT",
4651 "EVAL",
4652 "SUBST"
8990e307
LW		 4653};
4654#else
22c35a8c 4655EXTCONST char* PL_block_type[];
8990e307 4656#endif
8990e307 4657
b75885fd
NC		 4658/* These are all the compile time options that affect binary compatibility.
4659 Other compile time options that are binary compatible are in perl.c
4660 Both are combined for the output of perl -V
4661 However, this string will be embedded in any shared perl library, which will
4662 allow us add a comparison check in perlmain.c in the near future. */
4663#ifdef DOINIT
4664EXTCONST char PL_bincompat_options[] =
4665# ifdef DEBUG_LEAKING_SCALARS
4666 " DEBUG_LEAKING_SCALARS"
4667# endif
4668# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4669 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4670# endif
4671# ifdef FAKE_THREADS
4672 " FAKE_THREADS"
4673# endif
eba804b9
NC		 4674# ifdef FCRYPT
4675 " FCRYPT"
4676# endif
4677# ifdef HAS_TIMES
4678 " HAS_TIMES"
4679# endif
4680# ifdef HAVE_INTERP_INTERN
426f6eb2 4681 " HAVE_INTERP_INTERN"
eba804b9 4682# endif
b75885fd
NC		 4683# ifdef MULTIPLICITY
4684 " MULTIPLICITY"
4685# endif
4686# ifdef MYMALLOC
4687 " MYMALLOC"
4688# endif
eba804b9
NC		 4689# ifdef PERLIO_LAYERS
4690 " PERLIO_LAYERS"
4691# endif
b75885fd
NC		 4692# ifdef PERL_DEBUG_READONLY_OPS
4693 " PERL_DEBUG_READONLY_OPS"
4694# endif
4695# ifdef PERL_GLOBAL_STRUCT
4696 " PERL_GLOBAL_STRUCT"
4697# endif
4698# ifdef PERL_IMPLICIT_CONTEXT
4699 " PERL_IMPLICIT_CONTEXT"
4700# endif
4701# ifdef PERL_IMPLICIT_SYS
4702 " PERL_IMPLICIT_SYS"
4703# endif
4704# ifdef PERL_MAD
4705 " PERL_MAD"
4706# endif
eba804b9
NC		 4707# ifdef PERL_MICRO
4708 " PERL_MICRO"
4709# endif
b75885fd
NC		 4710# ifdef PERL_NEED_APPCTX
4711 " PERL_NEED_APPCTX"
4712# endif
4713# ifdef PERL_NEED_TIMESBASE
4714 " PERL_NEED_TIMESBASE"
4715# endif
4716# ifdef PERL_OLD_COPY_ON_WRITE
4717 " PERL_OLD_COPY_ON_WRITE"
4718# endif
db2c6cb3
FC		 4719# ifdef PERL_NEW_COPY_ON_WRITE
4720 " PERL_NEW_COPY_ON_WRITE"
4721# endif
b75885fd
NC		 4722# ifdef PERL_POISON
4723 " PERL_POISON"
4724# endif
5b50f57e
FC		 4725# ifdef PERL_SAWAMPERSAND
4726 " PERL_SAWAMPERSAND"
4727# endif
b75885fd
NC		 4728# ifdef PERL_TRACK_MEMPOOL
4729 " PERL_TRACK_MEMPOOL"
4730# endif
4731# ifdef PERL_USES_PL_PIDSTATUS
4732 " PERL_USES_PL_PIDSTATUS"
4733# endif
b75885fd
NC		 4734# ifdef USE_64_BIT_ALL
4735 " USE_64_BIT_ALL"
4736# endif
4737# ifdef USE_64_BIT_INT
4738 " USE_64_BIT_INT"
4739# endif
c7b392fa
NC		 4740# ifdef USE_IEEE
4741 " USE_IEEE"
4742# endif
b75885fd
NC		 4743# ifdef USE_ITHREADS
4744 " USE_ITHREADS"
4745# endif
4746# ifdef USE_LARGE_FILES
4747 " USE_LARGE_FILES"
4748# endif
eba804b9
NC		 4749# ifdef USE_LOCALE_COLLATE
4750 " USE_LOCALE_COLLATE"
4751# endif
4752# ifdef USE_LOCALE_NUMERIC
4753 " USE_LOCALE_NUMERIC"
4754# endif
b75885fd
NC		 4755# ifdef USE_LONG_DOUBLE
4756 " USE_LONG_DOUBLE"
4757# endif
4758# ifdef USE_PERLIO
4759 " USE_PERLIO"
4760# endif
4761# ifdef USE_REENTRANT_API
4762 " USE_REENTRANT_API"
4763# endif
4764# ifdef USE_SFIO
4765 " USE_SFIO"
4766# endif
4767# ifdef USE_SOCKS
4768 " USE_SOCKS"
4769# endif
4f575702
CB		 4770# ifdef VMS_DO_SOCKETS
4771 " VMS_DO_SOCKETS"
4f575702 4772# endif
e8b231c6
CB		 4773# ifdef VMS_SHORTEN_LONG_SYMBOLS
4774 " VMS_SHORTEN_LONG_SYMBOLS"
4775# endif
ad5e438d
NC		 4776# ifdef VMS_WE_ARE_CASE_SENSITIVE
4777 " VMS_SYMBOL_CASE_AS_IS"
4778# endif
a68dd89e 4779 "";
b75885fd
NC		 4780#else
4781EXTCONST char PL_bincompat_options[];
4782#endif
4783
ca7b837b
SM		 4784#ifndef PERL_SET_PHASE
4785# define PERL_SET_PHASE(new_phase) \
cb3f8189 4786 PHASE_CHANGE_PROBE(PL_phase_names[new_phase], PL_phase_names[PL_phase]); \
ca7b837b
SM		 4787 PL_phase = new_phase;
4788#endif
4789
9ebf26ad
FR		 4790/* The interpreter phases. If these ever change, PL_phase_names right below will
4791 * need to be updated accordingly. */
4792enum perl_phase {
4793 PERL_PHASE_CONSTRUCT = 0,
4794 PERL_PHASE_START = 1,
4795 PERL_PHASE_CHECK = 2,
4796 PERL_PHASE_INIT = 3,
4797 PERL_PHASE_RUN = 4,
4798 PERL_PHASE_END = 5,
4799 PERL_PHASE_DESTRUCT = 6
4800};
4801
4802#ifdef DOINIT
4803EXTCONST char *const PL_phase_names[] = {
4804 "CONSTRUCT",
4805 "START",
4806 "CHECK",
4807 "INIT",
4808 "RUN",
4809 "END",
4810 "DESTRUCT"
4811};
4812#else
4813EXTCONST char *const PL_phase_names[];
4814#endif
4815
627364f1
FR		 4816#ifndef PERL_CORE
4817/* Do not use this macro. It only exists for extensions that rely on PL_dirty
4818 * instead of using the newer PL_phase, which provides everything PL_dirty
4819 * provided, and more. */
4820# define PL_dirty (PL_phase == PERL_PHASE_DESTRUCT)
66978156
FC		 4821
4822# define PL_amagic_generation PL_na
627364f1
FR		 4823#endif /* !PERL_CORE */
4824
73c4f7a1
GS		 4825END_EXTERN_C
4826
79072805
LW		 4827/*****************************************************************************/
4828/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4829/*****************************************************************************/
8990e307 4830/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4831
d4c3c482 4832#ifdef __Lynx__
9cffb111
OS		 4833/* LynxOS defines these in scsi.h which is included via ioctl.h */
4834#ifdef FORMAT
4835#undef FORMAT
4836#endif
4837#ifdef SPACE
4838#undef SPACE
4839#endif
d4c3c482 4840#endif
9cffb111 4841
fb73857a 4842#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4843
79072805
LW		 4844typedef enum {
4845 XOPERATOR,
4846 XTERM,
79072805 4847 XREF,
8990e307 4848 XSTATE,
a0d0e21e 4849 XBLOCK,
09bef843
SB		 4850 XATTRBLOCK,
4851 XATTRTERM,
6f33ba73
RGS		 4852 XTERMBLOCK,
4853 XTERMORDORDOR /* evil hack */
27308ded 4854 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4855} expectation;
4856
d5ec2987
NC		 4857/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4858 special and there is no need for HINT_PRIVATE_MASK for COPs
4859 However, bitops store HINT_INTEGER in their op_private. */
9cfe5470
RGS		 4860#define HINT_INTEGER 0x00000001 /* integer pragma */
4861#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4862#define HINT_LOCALE 0x00000004 /* locale pragma */
4863#define HINT_BYTES 0x00000008 /* bytes pragma */
66cbab2c 4864#define HINT_LOCALE_NOT_CHARS 0x00000010 /* locale ':not_characters' pragma */
894ea76b
FC		 4865
4866#define HINT_EXPLICIT_STRICT_REFS 0x00000020 /* strict.pm */
4867#define HINT_EXPLICIT_STRICT_SUBS 0x00000040 /* strict.pm */
4868#define HINT_EXPLICIT_STRICT_VARS 0x00000080 /* strict.pm */
85e6fe83
LW		 4869
4870#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4871#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4872#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
1863b879 4873#define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */
85e6fe83 4874
9cfe5470 4875/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4876#define HINT_NEW_INTEGER 0x00001000
4877#define HINT_NEW_FLOAT 0x00002000
4878#define HINT_NEW_BINARY 0x00004000
4879#define HINT_NEW_STRING 0x00008000
4880#define HINT_NEW_RE 0x00010000
4881#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 4882#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4883#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 4884
9cfe5470
RGS		 4885#define HINT_RE_TAINT 0x00100000 /* re pragma */
4886#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4887
9cfe5470
RGS		 4888#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4889#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4890
e46c382e
YK		 4891#define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
4892
1e215989
FC		 4893#define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */
4894
a803b9b4
FC		 4895#define HINT_FEATURE_MASK 0x1c000000 /* 3 bits for feature bundles */
4896
894ea76b
FC		 4897 /* Note: Used for NATIVE_HINTS, currently
4898 defined by vms/vmsish.h:
4899 0x40000000
4900 0x80000000
4901 */
d1718a7c 4902
0239f47c 4903/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4904#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4905#define HINT_SORT_QUICKSORT 0x00000001
4906#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4907#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4908
d3b97530
DM		 4909/* flags for PL_sawampersand */
4910
4911#define SAWAMPERSAND_LEFT 1 /* saw $` */
4912#define SAWAMPERSAND_MIDDLE 2 /* saw $& */
4913#define SAWAMPERSAND_RIGHT 4 /* saw $' */
4914
1a904fc8
FC		 4915#ifndef PERL_SAWAMPERSAND
4916# define PL_sawampersand \
4917 (SAWAMPERSAND_LEFT|SAWAMPERSAND_MIDDLE|SAWAMPERSAND_RIGHT)
4918#endif
4919
8bfdd7d9 4920/* Various states of the input record separator SV (rs) */
d4cce5f1 4921#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4922#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4923#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4924#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4925
128e8167 4926/* A struct for keeping various DEBUGGING related stuff,
ce333219 4927 * neatly packed. Currently only scratch variables for
128e8167
JH		 4928 * constructing debug output are included. Needed always,
4929 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4930struct perl_debug_pad {
4931 SV pad[3];
4932};
4933
4934#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4935#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4936 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4937 PERL_DEBUG_PAD(i))
ce333219 4938
56953603 4939/* Enable variables which are pointers to functions */
16c91539
BM		 4940typedef void (*peep_t)(pTHX_ OP* o);
4941typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm);
4942typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg,
0cb96387
GS		 4943 char* strend, char* strbeg, I32 minend,
4944 SV* screamer, void* data, U32 flags);
16c91539 4945typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv,
f722798b
IZ		 4946 char *strpos, char *strend,
4947 U32 flags,
9f61653a 4948 re_scream_pos_data *d);
16c91539
BM		 4949typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog);
4950typedef void (*regfree_t) (pTHX_ struct regexp* r);
4951typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param);
a932d541 4952typedef I32 (*re_fold_t)(const char *, char const *, I32);
56953603 4953
c76ac1ee 4954typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc 4955typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
f30de749 4956typedef void (*SVFUNC_t) (pTHX_ SV* const);
31e9e0a3 4957typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
acfe0abc
GS		 4958typedef void (*XSINIT_t) (pTHX);
4959typedef void (*ATEXIT_t) (pTHX_ void*);
4960typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4961
16c91539
BM		 4962typedef OP* (*Perl_ppaddr_t)(pTHX);
4963typedef OP* (*Perl_check_t) (pTHX_ OP*);
4964typedef void(*Perl_ophook_t)(pTHX_ OP*);
4965typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**);
1830b3d9 4966typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *);
88e1f1a2 4967
d67594ff
FC		 4968typedef void(*globhook_t)(pTHX);
4969
88e1f1a2
JV		 4970#define KEYWORD_PLUGIN_DECLINE 0
4971#define KEYWORD_PLUGIN_STMT 1
4972#define KEYWORD_PLUGIN_EXPR 2
22239a37 4973
58a50f62
GS		 4974/* Interpreter exitlist entry */
4975typedef struct exitlistentry {
acfe0abc 4976 void (*fn) (pTHX_ void*);
58a50f62
GS		 4977 void *ptr;
4978} PerlExitListEntry;
4979
aadb217d
JH		 4980/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4981/* These have to be before perlvars.h */
4982#if !defined(HAS_SIGACTION) && defined(VMS)
4983# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4984#endif
4985/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4986#if defined(KILL_BY_SIGPRC)
4987# define FAKE_DEFAULT_SIGNAL_HANDLERS
4988#endif
4989
8c1cc017
NC		 4990#if !defined(MULTIPLICITY)
4991
4992struct interpreter {
4993 char broiled;
22239a37
NIS		 4994};
4995
8c1cc017 4996#else
22239a37 4997
d460ef45 4998/* If we have multiple interpreters define a struct
d4cce5f1 4999 holding variables which must be per-interpreter
d460ef45 5000 If we don't have threads anything that would have
d4cce5f1
NIS		 5001 be per-thread is per-interpreter.
5002*/
5003
8c1cc017 5004/* Set up PERLVAR macros for populating structs */
115ff745 5005# define PERLVAR(prefix,var,type) type prefix##var;
eb42f199
KW		 5006
5007/* 'var' is an array of length 'n' */
115ff745 5008# define PERLVARA(prefix,var,n,type) type prefix##var[n];
eb42f199
KW		 5009
5010/* initialize 'var' to init' */
115ff745 5011# define PERLVARI(prefix,var,type,init) type prefix##var;
eb42f199
KW		 5012
5013/* like PERLVARI, but make 'var' a const */
115ff745 5014# define PERLVARIC(prefix,var,type,init) type prefix##var;
8c1cc017 5015
79072805 5016struct interpreter {
7766f137 5017# include "intrpvar.h"
49f531da 5018};
d4cce5f1 5019
724cf8d6
NC		 5020EXTCONST U16 PL_interp_size
5021 INIT(sizeof(struct interpreter));
5022
5023# define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \
5024 STRUCT_OFFSET(struct interpreter, member) + \
5025 sizeof(((struct interpreter*)0)->member)
5026
5027/* This will be useful for subsequent releases, because this has to be the
5028 same in your libperl as in main(), else you have a mismatch and must abort.
5029*/
5030EXTCONST U16 PL_interp_size_5_16_0
5031 INIT(PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_16_0_INTERP_MEMBER));
5032
5033
8c1cc017
NC		 5034# ifdef PERL_GLOBAL_STRUCT
5035/* MULTIPLICITY is automatically defined when PERL_GLOBAL_STRUCT is defined,
5036 hence it's safe and sane to nest this within #ifdef MULTIPLICITY */
5037
5038struct perl_vars {
5039# include "perlvars.h"
49f531da 5040};
8c1cc017 5041
724cf8d6
NC		 5042EXTCONST U16 PL_global_struct_size
5043 INIT(sizeof(struct perl_vars));
5044
8c1cc017
NC		 5045# ifdef PERL_CORE
5046# ifndef PERL_GLOBAL_STRUCT_PRIVATE
5047EXT struct perl_vars PL_Vars;
5048EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
5049# undef PERL_GET_VARS
5050# define PERL_GET_VARS() PL_VarsPtr
5051# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
5052# else /* PERL_CORE */
5053# if !defined(__GNUC__) || !defined(WIN32)
5054EXT
5055# endif /* WIN32 */
5056struct perl_vars *PL_VarsPtr;
5057# define PL_Vars (*((PL_VarsPtr) \
5058 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
5059# endif /* PERL_CORE */
5060# endif /* PERL_GLOBAL_STRUCT */
79072805 5061
22239a37 5062/* Done with PERLVAR macros for now ... */
8c1cc017
NC		 5063# undef PERLVAR
5064# undef PERLVARA
5065# undef PERLVARI
5066# undef PERLVARIC
8c1cc017
NC		 5067
5068#endif /* MULTIPLICITY */
79072805 5069
f7fe979e 5070struct tempsym; /* defined in pp_pack.c */
49704364 5071
22239a37 5072#include "thread.h"
79072805 5073#include "pp.h"
864dbfa3
GS		 5074
5075#ifndef PERL_CALLCONV
a0c21aa1
JH		 5076# ifdef __cplusplus
5077# define PERL_CALLCONV extern "C"
5078# else
5079# define PERL_CALLCONV
5080# endif
d460ef45 5081#endif
12a2785c
DD		 5082#ifndef PERL_CALLCONV_NO_RET
5083# define PERL_CALLCONV_NO_RET PERL_CALLCONV
5084#endif
5085
98c015b7
DD		 5086/* PERL_STATIC_NO_RET is supposed to be equivalent to STATIC on builds that
5087 dont have a noreturn as a declaration specifier
5088*/
5089#ifndef PERL_STATIC_NO_RET
5090# define PERL_STATIC_NO_RET STATIC
5091#endif
5092/* PERL_STATIC_NO_RET is supposed to be equivalent to PERL_STATIC_INLINE on
5093 builds that dont have a noreturn as a declaration specifier
5094*/
5095#ifndef PERL_STATIC_INLINE_NO_RET
5096# define PERL_STATIC_INLINE_NO_RET PERL_STATIC_INLINE
5097#endif
5098
5099
0cb96387
GS		 5100#undef PERL_CKDEF
5101#undef PERL_PPDEF
0159f81b
JH		 5102#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
5103#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 5104
158cfab6
JD		 5105#ifdef MYMALLOC
5106# include "malloc_ctl.h"
5107#endif
5108
7766f137 5109#include "proto.h"
864dbfa3 5110
0cb96387 5111/* this has structure inits, so it cannot be included before here */
acfe0abc 5112#include "opcode.h"
864dbfa3 5113
d4cce5f1
NIS		 5114/* The following must follow proto.h as #defines mess up syntax */
5115
22c35a8c
GS		 5116#if !defined(PERL_FOR_X2P)
5117# include "embedvar.h"
5118#endif
598921a7
NC		 5119#ifndef PERL_MAD
5120# undef PL_madskills
5121# undef PL_xmlfp
5122# define PL_madskills 0
5123# define PL_xmlfp 0
5124#endif
d4cce5f1 5125
d460ef45 5126/* Now include all the 'global' variables
d4cce5f1 5127 * If we don't have threads or multiple interpreters
d460ef45 5128 * these include variables that would have been their struct-s
d4cce5f1 5129 */
d460ef45 5130
115ff745
NC		 5131#define PERLVAR(prefix,var,type) EXT type PL_##var;
5132#define PERLVARA(prefix,var,n,type) EXT type PL_##var[n];
5133#define PERLVARI(prefix,var,type,init) EXT type PL_##var INIT(init);
5134#define PERLVARIC(prefix,var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 5135
acfe0abc 5136#if !defined(MULTIPLICITY)
7766f137 5137START_EXTERN_C
066ef5b5 5138# include "intrpvar.h"
7766f137 5139END_EXTERN_C
22239a37
NIS		 5140#endif
5141
24792b8d
NC		 5142#ifdef PERL_CORE
5143/* All core uses now exterminated. Ensure no zombies can return: */
5144# undef PL_na
5145#endif
5146
f9293c5b
NC		 5147/* Now all the config stuff is setup we can include embed.h
5148 In particular, need the relevant *ish file included already, as it may
5149 define HAVE_INTERP_INTERN */
5150#include "embed.h"
5151#ifndef PERL_MAD
5152# undef op_getmad
5153# define op_getmad(arg,pegop,slot) NOOP
acfe0abc 5154#endif
22239a37 5155
c5be433b
GS		 5156#ifndef PERL_GLOBAL_STRUCT
5157START_EXTERN_C
5158
5159# include "perlvars.h"
5160
5161END_EXTERN_C
5162#endif
5163
d4cce5f1 5164#undef PERLVAR
51371543 5165#undef PERLVARA
d4cce5f1 5166#undef PERLVARI
0f3f18a6 5167#undef PERLVARIC
79072805 5168
73c4f7a1
GS		 5169START_EXTERN_C
5170
af2f0da9
NC		 5171/* dummy variables that hold pointers to both runops functions, thus forcing
5172 * them *both* to get linked in (useful for Peek.xs, debugging etc) */
5173
5174EXTCONST runops_proc_t PL_runops_std
5175 INIT(Perl_runops_standard);
5176EXTCONST runops_proc_t PL_runops_dbg
5177 INIT(Perl_runops_debug);
5178
bc028b6b
JH		 5179/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
5180 * magic vtables const, but this is incompatible with SWIG which
5181 * does want to modify the vtables. */
5182#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5183# define EXT_MGVTBL EXTCONST MGVTBL
5184#else
5185# define EXT_MGVTBL EXT MGVTBL
5186#endif
5187
82ff486e 5188#define PERL_MAGIC_READONLY_ACCEPTABLE 0x40
e0a73de4
NC		 5189#define PERL_MAGIC_VALUE_MAGIC 0x80
5190#define PERL_MAGIC_VTABLE_MASK 0x3F
82ff486e
NC		 5191#define PERL_MAGIC_TYPE_READONLY_ACCEPTABLE(t) \
5192 (PL_magic_data[(U8)(t)] & PERL_MAGIC_READONLY_ACCEPTABLE)
e0a73de4
NC		 5193#define PERL_MAGIC_TYPE_IS_VALUE_MAGIC(t) \
5194 (PL_magic_data[(U8)(t)] & PERL_MAGIC_VALUE_MAGIC)
5195
8b09643d 5196#include "mg_vtable.h"
6f83ef0e
NC		 5197
5198#ifdef DOINIT
5199EXTCONST U8 PL_magic_data[256] =
dde5ec2c
NC		 5200# ifdef PERL_MICRO
5201# include "umg_data.h"
5202# else
5203# include "mg_data.h"
5204# endif
6f83ef0e
NC		 5205;
5206#else
5207EXTCONST U8 PL_magic_data[256];
5208#endif
5209
f1fb8741
DM		 5210#ifdef DOINIT
5211 /* NL BD IV NV PV PI PN MG RX GV LV AV HV CV FM IO */
5212EXTCONST bool
5213PL_valid_types_IVX[] = { 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
5214EXTCONST bool
5215PL_valid_types_NVX[] = { 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
5216EXTCONST bool
8d919b0a 5217PL_valid_types_PVX[] = { 0, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1 };
f1fb8741
DM		 5218EXTCONST bool
5219PL_valid_types_RV[] = { 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1 };
5220EXTCONST bool
5221PL_valid_types_IV_set[] = { 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1 };
5222EXTCONST bool
5223PL_valid_types_NV_set[] = { 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 };
5224
5225#else
5226
5227EXTCONST bool PL_valid_types_IVX[];
5228EXTCONST bool PL_valid_types_NVX[];
5229EXTCONST bool PL_valid_types_PVX[];
5230EXTCONST bool PL_valid_types_RV[];
5231EXTCONST bool PL_valid_types_IV_set[];
5232EXTCONST bool PL_valid_types_NV_set[];
5233
5234#endif
5235
541377b1
FC		 5236/* Static inline funcs that depend on includes and declarations above */
5237#include "inline.h"
f1fb8741 5238
bab3dc31 5239#include "overload.h"
a0d0e21e 5240
73c4f7a1
GS		 5241END_EXTERN_C
5242
a6006777 5243struct am_table {
8978b4ac
NC		 5244 U8 flags;
5245 U8 fallback;
5246 U16 spare;
eb160463 5247 U32 was_ok_sub;
9bd87817 5248 CV* table[NofAMmeth];
a0d0e21e 5249};
a6006777 5250struct am_table_short {
8978b4ac
NC		 5251 U8 flags;
5252 U8 fallback;
5253 U16 spare;
eb160463 5254 U32 was_ok_sub;
a6006777 5255};
a0d0e21e 5256typedef struct am_table AMT;
a6006777 5257typedef struct am_table_short AMTS;
a0d0e21e
LW		 5258
5259#define AMGfallNEVER 1
5260#define AMGfallNO 2
5261#define AMGfallYES 3
5262
a6006777 5263#define AMTf_AMAGIC 1
5264#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5265#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5266#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
5267
32251b26 5268#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5269
5270/*
5271 * some compilers like to redefine cos et alia as faster
5272 * (and less accurate?) versions called F_cos et cetera (Quidquid
5273 * latine dictum sit, altum viditur.) This trick collides with
5274 * the Perl overloading (amg). The following #defines fool both.
5275 */
5276
5277#ifdef _FASTMATH
5278# ifdef atan2
5279# define F_atan2_amg atan2_amg
5280# endif
5281# ifdef cos
5282# define F_cos_amg cos_amg
5283# endif
5284# ifdef exp
5285# define F_exp_amg exp_amg
5286# endif
5287# ifdef log
5288# define F_log_amg log_amg
5289# endif
5290# ifdef pow
5291# define F_pow_amg pow_amg
5292# endif
5293# ifdef sin
5294# define F_sin_amg sin_amg
5295# endif
5296# ifdef sqrt
5297# define F_sqrt_amg sqrt_amg
5298# endif
5299#endif /* _FASTMATH */
5300
83ee9e09
GS		 5301#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5302 PERLDBf_NOOPT | PERLDBf_INTER | \
5303 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
b8fcbefe
NC		 5304 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5305 PERLDBf_SAVESRC)
925cfbb8 5306 /* No _NONAME, _GOTO */
83ee9e09
GS		 5307#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5308#define PERLDBf_LINE 0x02 /* Keep line # */
5309#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5310#define PERLDBf_INTER 0x08 /* Preserve more data for
5311 later inspections */
5312#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5313#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5314#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5315#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5316#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5317#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
b8fcbefe 5318#define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
486ec47a 5319#define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */
c30d8139 5320#define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
84902520 5321
3280af22
NIS		 5322#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5323#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5324#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5325#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5326#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5327#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5328#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5329#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5330#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5331#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
b8fcbefe 5332#define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC))
c30d8139
NC		 5333#define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS))
5334#define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID))
bbce6d69 5335
36477c24 5336#ifdef USE_LOCALE_NUMERIC
bbce6d69 5337
36477c24 5338#define SET_NUMERIC_STANDARD() \
ff4fed7c 5339 set_numeric_standard();
36477c24 5340
5341#define SET_NUMERIC_LOCAL() \
ff4fed7c 5342 set_numeric_local();
bbce6d69 5343
66cbab2c
KW		 5344/* Returns non-zero If the plain locale pragma without a parameter is in effect
5345 */
a98fe34d 5346#define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE)
66cbab2c
KW		 5347
5348/* Returns non-zero If either form of the locale pragma is in effect */
5349#define IN_SOME_LOCALE_FORM_RUNTIME \
5350 (CopHINTS_get(PL_curcop) & (HINT_LOCALE|HINT_LOCALE_NOT_CHARS))
5351
2de3dbcc 5352#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
66cbab2c
KW		 5353#define IN_SOME_LOCALE_FORM_COMPILETIME \
5354 (PL_hints & (HINT_LOCALE|HINT_LOCALE_NOT_CHARS))
2de3dbcc
JH		 5355
5356#define IN_LOCALE \
923e4eb5 5357 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
66cbab2c
KW		 5358#define IN_SOME_LOCALE_FORM \
5359 (IN_PERL_COMPILETIME ? IN_SOME_LOCALE_FORM_COMPILETIME \
5360 : IN_SOME_LOCALE_FORM_RUNTIME)
2de3dbcc 5361
f93f4e46 5362#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 5363 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 5364 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 5365
5366#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 5367 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 5368 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 5369
5370#define RESTORE_NUMERIC_LOCAL() \
5371 if (was_local) SET_NUMERIC_LOCAL();
5372
5373#define RESTORE_NUMERIC_STANDARD() \
5374 if (was_standard) SET_NUMERIC_STANDARD();
5375
5b877257 5376#define Atof my_atof
097ee67d 5377
36477c24 5378#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5379
097ee67d
JH		 5380#define SET_NUMERIC_STANDARD() /**/
5381#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5382#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5383#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5384#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 5385#define RESTORE_NUMERIC_LOCAL() /**/
5386#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 5387#define Atof my_atof
ad3e0f90 5388#define IN_LOCALE_RUNTIME 0
d40eae8f 5389#define IN_LOCALE_COMPILETIME 0
bbce6d69 5390
36477c24 5391#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5392
85b76970
SH		 5393#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && \
5394 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
ec7b9793
JH		 5395# ifdef __hpux
5396# define strtoll __strtoll /* secret handshake */
5397# endif
c623ac67
GS		 5398# ifdef WIN64
5399# define strtoll _strtoi64 /* secret handshake */
5400# endif
079290de
GS		 5401# if !defined(Strtol) && defined(HAS_STRTOLL)
5402# define Strtol strtoll
ad551343 5403# endif
28e5dec8
JH		 5404# if !defined(Strtol) && defined(HAS_STRTOQ)
5405# define Strtol strtoq
5406# endif
ff935051 5407/* is there atoq() anywhere? */
15b99d39 5408#endif
079290de
GS		 5409#if !defined(Strtol) && defined(HAS_STRTOL)
5410# define Strtol strtol
5411#endif
5412#ifndef Atol
5413/* It would be more fashionable to use Strtol() to define atol()
5414 * (as is done for Atoul(), see below) but for backward compatibility
5415 * we just assume atol(). */
85b76970
SH		 5416# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && defined(HAS_ATOLL) && \
5417 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
c623ac67
GS		 5418# ifdef WIN64
5419# define atoll _atoi64 /* secret handshake */
5420# endif
76b882ba
JH		 5421# define Atol atoll
5422# else
5423# define Atol atol
5424# endif
cf2093f6
JH		 5425#endif
5426
85b76970
SH		 5427#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && \
5428 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
ec7b9793
JH		 5429# ifdef __hpux
5430# define strtoull __strtoull /* secret handshake */
5431# endif
c623ac67
GS		 5432# ifdef WIN64
5433# define strtoull _strtoui64 /* secret handshake */
5434# endif
ad551343 5435# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5436# define Strtoul strtoull
15b99d39 5437# endif
079290de
GS		 5438# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5439# define Strtoul strtouq
5440# endif
76d49b1c 5441/* is there atouq() anywhere? */
ad551343 5442#endif
079290de
GS		 5443#if !defined(Strtoul) && defined(HAS_STRTOUL)
5444# define Strtoul strtoul
cf2093f6 5445#endif
a5523c5b
JH		 5446#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5447# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5448#endif
079290de 5449#ifndef Atoul
d4c19fe8 5450# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5451#endif
cf2093f6 5452
760ac839 5453
06d86050
GS		 5454/* if these never got defined, they need defaults */
5455#ifndef PERL_SET_CONTEXT
5456# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5457#endif
5458
5459#ifndef PERL_GET_CONTEXT
5460# define PERL_GET_CONTEXT PERL_GET_INTERP
5461#endif
5462
5463#ifndef PERL_GET_THX
5464# define PERL_GET_THX ((void*)NULL)
5465#endif
5466
5467#ifndef PERL_SET_THX
5468# define PERL_SET_THX(t) NOOP
5469#endif
5470
a868473f
NIS		 5471#ifndef PERL_SCRIPT_MODE
5472#define PERL_SCRIPT_MODE "r"
5473#endif
5474
fba3b22e 5475/*
da927450
JH		 5476 * Some operating systems are stingy with stack allocation,
5477 * so perl may have to guard against stack overflow.
5478 */
5479#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5480#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5481#endif
5482
5483/*
5484 * Some nonpreemptive operating systems find it convenient to
5485 * check for asynchronous conditions after each op execution.
5486 * Keep this check simple, or it may slow down execution
5487 * massively.
5488 */
ce08f86c 5489
1d615522 5490#ifndef PERL_MICRO
4ffa73a3 5491# ifndef PERL_ASYNC_CHECK
16c91539 5492# define PERL_ASYNC_CHECK() if (PL_sig_pending) PL_signalhook(aTHX)
4ffa73a3 5493# endif
ce08f86c
NIS		 5494#endif
5495
da927450 5496#ifndef PERL_ASYNC_CHECK
1d615522 5497# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5498#endif
5499
5500/*
5501 * On some operating systems, a memory allocation may succeed,
5502 * but put the process too close to the system's comfort limit.
5503 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5504 * it to NULL.
5505 */
5506#ifndef PERL_ALLOC_CHECK
c2af87cb 5507#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5508#endif
5509
bd89102f
AD		 5510#ifdef HAS_SEM
5511# include <sys/ipc.h>
5512# include <sys/sem.h>
5513# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5514 union semun {
dbba660d
TC		 5515 int val;
5516 struct semid_ds *buf;
5517 unsigned short *array;
bd89102f
AD		 5518 };
5519# endif
5520# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5521# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5522 union gccbug_semun {
5523 int val;
5524 struct semid_ds *buf;
5525 unsigned short *array;
5526 char __dummy[5];
5527 };
5528# define semun gccbug_semun
5529# endif
bd89102f
AD		 5530# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5531# else
5532# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5533# ifdef EXTRA_F_IN_SEMUN_BUF
5534# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5535# else
5536# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5537# endif
bd89102f
AD		 5538# endif
5539# endif
bd89102f 5540#endif
49f531da 5541
89ca4ac7
JH		 5542/*
5543 * Boilerplate macros for initializing and accessing interpreter-local
5544 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 5545 * this, if you want to make the extension thread-safe. See
5546 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5547 * and perlxs.pod for more.
89ca4ac7
JH		 5548 *
5549 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5550 * 1. #define MY_CXT_KEY to a unique string, e.g.
5551 * "DynaLoader::_guts" XS_VERSION
f16dd614 5552 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5553 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5554 * all the data that needs to be interpreter-local.
5555 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5556 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5557 * (typically put in the BOOT: section).
5558 * 5. Use the members of the my_cxt_t structure everywhere as
5559 * MY_CXT.member.
5560 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5561 * access MY_CXT.
5562 */
5563
fc958cd2 5564#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 5565
4eddb856 5566/* START_MY_CXT must appear in all extensions that define a my_cxt_t structure,
53d44271
JH		 5567 * right after the definition (i.e. at file scope). The non-threads
5568 * case below uses it to declare the data as static. */
00ab59c9
DM		 5569# ifdef PERL_GLOBAL_STRUCT_PRIVATE
5570# define START_MY_CXT
5571# define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5572# define MY_CXT_INIT_ARG MY_CXT_KEY
5573# else
5574# define START_MY_CXT static int my_cxt_index = -1;
5575# define MY_CXT_INDEX my_cxt_index
5576# define MY_CXT_INIT_ARG &my_cxt_index
5577# endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
53d44271
JH		 5578
5579/* Creates and zeroes the per-interpreter data.
5580 * (We allocate my_cxtp in a Perl SV so that it will be released when
5581 * the interpreter goes away.) */
00ab59c9 5582# define MY_CXT_INIT \
53d44271 5583 my_cxt_t *my_cxtp = \
9f6df31a
Z		 5584 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
5585 PERL_UNUSED_VAR(my_cxtp)
00ab59c9 5586# define MY_CXT_INIT_INTERP(my_perl) \
53d44271 5587 my_cxt_t *my_cxtp = \
9f6df31a
Z		 5588 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
5589 PERL_UNUSED_VAR(my_cxtp)
53d44271
JH		 5590
5591/* This declaration should be used within all functions that use the
5592 * interpreter-local data. */
00ab59c9 5593# define dMY_CXT \
53d44271 5594 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
00ab59c9 5595# define dMY_CXT_INTERP(my_perl) \
53d44271
JH		 5596 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5597
5598/* Clones the per-interpreter data. */
00ab59c9 5599# define MY_CXT_CLONE \
53d44271
JH		 5600 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5601 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5602 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5603
53d44271 5604
89ca4ac7 5605/* This macro must be used to access members of the my_cxt_t structure.
870598ae 5606 * e.g. MY_CXT.some_data */
00ab59c9 5607# define MY_CXT (*my_cxtp)
89ca4ac7
JH		 5608
5609/* Judicious use of these macros can reduce the number of times dMY_CXT
5610 * is used. Use is similar to pTHX, aTHX etc. */
00ab59c9
DM		 5611# define pMY_CXT my_cxt_t *my_cxtp
5612# define pMY_CXT_ pMY_CXT,
5613# define _pMY_CXT ,pMY_CXT
5614# define aMY_CXT my_cxtp
5615# define aMY_CXT_ aMY_CXT,
5616# define _aMY_CXT ,aMY_CXT
89ca4ac7 5617
f16dd614 5618#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7 5619
00ab59c9
DM		 5620# define START_MY_CXT static my_cxt_t my_cxt;
5621# define dMY_CXT_SV dNOOP
5622# define dMY_CXT dNOOP
5623# define dMY_CXT_INTERP(my_perl) dNOOP
5624# define MY_CXT_INIT NOOP
5625# define MY_CXT_CLONE NOOP
5626# define MY_CXT my_cxt
5627
5628# define pMY_CXT void
5629# define pMY_CXT_
5630# define _pMY_CXT
5631# define aMY_CXT
5632# define aMY_CXT_
5633# define _aMY_CXT
89ca4ac7 5634
f16dd614 5635#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5636
9a34ef1d
GS		 5637#ifdef I_FCNTL
5638# include <fcntl.h>
9a34ef1d
GS		 5639#endif
5640
9cffb111
OS		 5641#ifdef __Lynx__
5642# include <fcntl.h>
5643#endif
5644
9a34ef1d
GS		 5645#ifdef I_SYS_FILE
5646# include <sys/file.h>
5647#endif
5648
fa0a29af 5649#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5650int flock(int fd, int op);
5651#endif
5652
fe52b3b7
GS		 5653#ifndef O_RDONLY
5654/* Assume UNIX defaults */
5655# define O_RDONLY 0000
5656# define O_WRONLY 0001
5657# define O_RDWR 0002
5658# define O_CREAT 0100
5659#endif
9a34ef1d 5660
16fe6d59
GS		 5661#ifndef O_BINARY
5662# define O_BINARY 0
5663#endif
5664
5665#ifndef O_TEXT
5666# define O_TEXT 0
5667#endif
5668
6ce75a77
JH		 5669#if O_TEXT != O_BINARY
5670 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5671 * that is, you are somehow DOSish. */
b6c36746
NC		 5672# if defined(__HAIKU__) || defined(__VOS__) || defined(__CYGWIN__)
5673 /* Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5674 * Haiku is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5675 /* VOS has O_TEXT != O_BINARY, and they have effect,
5676 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5677 /* If you have O_TEXT different from your O_BINARY but you still are
5678 * not a CRLF shop. */
35990314 5679# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5680# else
5681 /* If you really are DOSish. */
5682# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5683# endif
5684#endif
5685
4bc88a62
PS		 5686#ifdef I_LIBUTIL
5687# include <libutil.h> /* setproctitle() in some FreeBSDs */
5688#endif
5689
b4748376 5690#ifndef EXEC_ARGV_CAST
360ea906 5691#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 5692#endif
5693
dd5dc04f
JH		 5694#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5695 int). value returned in pointed-
5696 to UV */
5697#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5698#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5699#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5700#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5701#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5702
5703#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5704
53305cf1
NC		 5705/* Input flags: */
5706#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5707#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5708#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
02470786
KW		 5709#define PERL_SCAN_SILENT_NON_PORTABLE 0x08 /* grok_??? not warn about very large
5710 numbers which are <= UV_MAX */
53305cf1
NC		 5711/* Output flags: */
5712#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5713
2c4f7f0e
DM		 5714/* to let user control profiling */
5715#ifdef PERL_GPROF_CONTROL
5716extern void moncontrol(int);
5717#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5718#else
5719#define PERL_GPROF_MONCONTROL(x)
5720#endif
5721
ae0e3d3b
JH		 5722#ifdef UNDER_CE
5723#include "wince.h"
5724#endif
5725
5726/* ISO 6429 NEL - C1 control NExt Line */
5727/* See http://www.unicode.org/unicode/reports/tr13/ */
ec34087a 5728#define NEXT_LINE_CHAR NEXT_LINE_NATIVE
ae0e3d3b
JH		 5729
5730/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5731#define UNICODE_LINE_SEPA_0 0xE2
5732#define UNICODE_LINE_SEPA_1 0x80
5733#define UNICODE_LINE_SEPA_2 0xA8
5734#define UNICODE_PARA_SEPA_0 0xE2
5735#define UNICODE_PARA_SEPA_1 0x80
5736#define UNICODE_PARA_SEPA_2 0xA9
5737
479b2847
GS		 5738#ifndef PIPESOCK_MODE
5739# define PIPESOCK_MODE
5740#endif
5741
460c8493
IZ		 5742#ifndef SOCKET_OPEN_MODE
5743# define SOCKET_OPEN_MODE PIPESOCK_MODE
5744#endif
5745
5746#ifndef PIPE_OPEN_MODE
5747# define PIPE_OPEN_MODE PIPESOCK_MODE
5748#endif
5749
7e8c5dac
HS		 5750#define PERL_MAGIC_UTF8_CACHESIZE 2
5751
a05d7ebb
JH		 5752#define PERL_UNICODE_STDIN_FLAG 0x0001
5753#define PERL_UNICODE_STDOUT_FLAG 0x0002
5754#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5755#define PERL_UNICODE_IN_FLAG 0x0008
5756#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5757#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5758#define PERL_UNICODE_LOCALE_FLAG 0x0040
5759#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 5760#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 5761
06e66572
JH		 5762#define PERL_UNICODE_STD_FLAG \
5763 (PERL_UNICODE_STDIN_FLAG | \
5764 PERL_UNICODE_STDOUT_FLAG | \
5765 PERL_UNICODE_STDERR_FLAG)
5766
5767#define PERL_UNICODE_INOUT_FLAG \
5768 (PERL_UNICODE_IN_FLAG | \
5769 PERL_UNICODE_OUT_FLAG)
5770
5771#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5772 (PERL_UNICODE_STD_FLAG | \
5773 PERL_UNICODE_INOUT_FLAG | \
5774 PERL_UNICODE_LOCALE_FLAG)
5775
5a22a2bb 5776#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 5777
5778#define PERL_UNICODE_STDIN 'I'
5779#define PERL_UNICODE_STDOUT 'O'
5780#define PERL_UNICODE_STDERR 'E'
5781#define PERL_UNICODE_STD 'S'
5782#define PERL_UNICODE_IN 'i'
5783#define PERL_UNICODE_OUT 'o'
5784#define PERL_UNICODE_INOUT 'D'
5785#define PERL_UNICODE_ARGV 'A'
5786#define PERL_UNICODE_LOCALE 'L'
5787#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 5788#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 5789
4ffa73a3
JH		 5790#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5791
32fdb065 5792/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5793 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5794#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5795
3c0f78ca
JH		 5796#if defined(__DECC) && defined(__osf__)
5797#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 5798#endif
5799
e4dba786
NC		 5800#define do_open(g, n, l, a, rm, rp, sf) \
5801 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 5802#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 5803# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 5804#endif
15871fce
NC		 5805#ifdef OS2
5806# define do_aexec Perl_do_aexec
5807#else
5808# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 5809#endif
e4dba786 5810
2f3efc97
JH		 5811#if defined(OEMVS)
5812#define NO_ENV_ARRAY_IN_MAIN
5813#endif
5814
00f254e2
KW		 5815/* These are used by Perl_pv_escape() and Perl_pv_pretty()
5816 * are here so that they are available throughout the core
10edeb5d
JH		 5817 * NOTE that even though some are for _escape and some for _pretty
5818 * there must not be any clashes as the flags from _pretty are
5819 * passed straight through to _escape.
5820 */
5821
5822#define PERL_PV_ESCAPE_QUOTE 0x0001
5823#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
5824
95b611b0 5825#define PERL_PV_PRETTY_ELLIPSES 0x0002
10edeb5d
JH		 5826#define PERL_PV_PRETTY_LTGT 0x0004
5827
5828#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
5829
00f254e2 5830#define PERL_PV_ESCAPE_UNI 0x0100
10edeb5d 5831#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
681f01c2 5832#define PERL_PV_ESCAPE_NONASCII 0x0400
10edeb5d
JH		 5833
5834#define PERL_PV_ESCAPE_ALL 0x1000
5835#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
5836#define PERL_PV_ESCAPE_NOCLEAR 0x4000
44a2ac75 5837#define PERL_PV_ESCAPE_RE 0x8000
10edeb5d 5838
881a015e
NC		 5839#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
5840
10edeb5d 5841/* used by pv_display in dump.c*/
95b611b0 5842#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
c89df6cf 5843#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII
10edeb5d
JH		 5844
5845/*
5846
5847 (KEEP THIS LAST IN perl.h!)
5848
5849 Mention
d460ef45 5850
43999f95 5851 NV_PRESERVES_UV
fe749a9f 5852
fe749a9f
JH		 5853 HAS_MKSTEMP
5854 HAS_MKSTEMPS
5855 HAS_MKDTEMP
5856
49dabb45
JH		 5857 HAS_GETCWD
5858
d59b5429 5859 HAS_MMAP
fe749a9f
JH		 5860 HAS_MPROTECT
5861 HAS_MSYNC
1e8c3fde 5862 HAS_MADVISE
fe749a9f
JH		 5863 HAS_MUNMAP
5864 I_SYSMMAN
5865 Mmap_t
5866
6b4667fc
A		 5867 NVef
5868 NVff
5869 NVgf
5870
4e0554ec 5871 HAS_UALARM
2d736872 5872 HAS_USLEEP
4e0554ec
JH		 5873
5874 HAS_SETITIMER
5875 HAS_GETITIMER
5876
5877 HAS_SENDMSG
5878 HAS_RECVMSG
5879 HAS_READV
5880 HAS_WRITEV
5881 I_SYSUIO
5882 HAS_STRUCT_MSGHDR
5883 HAS_STRUCT_CMSGHDR
5884
2765b840 5885 HAS_NL_LANGINFO
0a7020c9 5886
ae0e3d3b 5887 HAS_DIRFD
2765b840 5888
10edeb5d 5889 so that Configure picks them up.
ab3bbdeb 5890
10edeb5d 5891 (KEEP THIS LAST IN perl.h!)
3df15adc 5892
10edeb5d 5893*/
3df15adc 5894
85e6fe83 5895#endif /* Include guard */
e9a8c099
MHM		 5896
5897/*
5898 * Local variables:
5899 * c-indentation-style: bsd
5900 * c-basic-offset: 4
14d04a33 5901 * indent-tabs-mode: nil
e9a8c099
MHM		 5902 * End:
5903 *
14d04a33 5904 * ex: set ts=8 sts=4 sw=4 et:
e9a8c099 5905 */
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