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Remove the warning "v-string in require/use non portable"
[perl5.git] / perl.h
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
7272f7c1 4 * 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 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
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
b0f06652
VK		 37# ifndef USE_CROSS_COMPILE
38# include "config.h"
39# else
40# include "xconfig.h"
41# endif
12ae5dfc 42#endif
0cb96387 43
2c2d71f5
JH		 44/* See L<perlguts/"The Perl API"> for detailed notes on
45 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
46
ac6bedea
JH		 47/* Note that from here --> to <-- the same logic is
48 * repeated in makedef.pl, so be certain to update
49 * both places when editing. */
50
894ccb8c
JH		 51#ifdef PERL_IMPLICIT_SYS
52/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
53 so use slab allocator to avoid lots of MUTEX overhead
54 */
55# ifndef PL_OP_SLAB_ALLOC
56# define PL_OP_SLAB_ALLOC
57# endif
ba979b31
NIS		 58#endif
59
6f4183fe 60#ifdef USE_ITHREADS
acfe0abc 61# if !defined(MULTIPLICITY)
6f4183fe
GS		 62# define MULTIPLICITY
63# endif
64#endif
65
27da23d5
JH		 66#ifdef PERL_GLOBAL_STRUCT_PRIVATE
67# ifndef PERL_GLOBAL_STRUCT
68# define PERL_GLOBAL_STRUCT
69# endif
70#endif
97aff369 71
27da23d5
JH		 72#ifdef PERL_GLOBAL_STRUCT
73# ifndef MULTIPLICITY
74# define MULTIPLICITY
75# endif
76#endif
77
97aff369
JH		 78#ifdef MULTIPLICITY
79# ifndef PERL_IMPLICIT_CONTEXT
80# define PERL_IMPLICIT_CONTEXT
81# endif
82#endif
83
026fd48b
GH		 84/* undef WIN32 when building on Cygwin (for libwin32) - gph */
85#ifdef __CYGWIN__
86# undef WIN32
87# undef _WIN32
88#endif
89
27da23d5
JH		 90#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
91# ifndef SYMBIAN
92# define SYMBIAN
93# endif
94#endif
95
a0fd4948 96#ifdef __SYMBIAN32__
27da23d5
JH		 97# include "symbian/symbian_proto.h"
98#endif
99
100/* Any stack-challenged places. The limit varies (and often
101 * is configurable), but using more than a kilobyte of stack
102 * is usually dubious in these systems. */
a0fd4948 103#if defined(EPOC) || defined(__SYMBIAN32__)
27da23d5
JH		 104/* EPOC/Symbian: need to work around the SDK features. *
105 * On WINS: MS VC5 generates calls to _chkstk, *
106 * if a "large" stack frame is allocated. *
107 * gcc on MARM does not generate calls like these. */
108# define USE_HEAP_INSTEAD_OF_STACK
109#endif
110
111#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 112/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 113#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 114# define USE_REENTRANT_API
115#endif
116
ac6bedea
JH		 117/* <--- here ends the logic shared by perl.h and makedef.pl */
118
af28e889 119/*
6239f2da
JH		 120 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
121 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 122 * __bsdi__ for BSD/OS
123 */
6239f2da 124#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 125# ifndef BSDish
126# define BSDish
127# endif
128#endif
129
27da23d5
JH		 130#ifdef PERL_GLOBAL_STRUCT
131# ifndef PERL_GET_VARS
132# ifdef PERL_GLOBAL_STRUCT_PRIVATE
133 extern struct perl_vars* Perl_GetVarsPrivate();
134# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
135# ifndef PERLIO_FUNCS_CONST
136# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
137# endif
138# else
139# define PERL_GET_VARS() PL_VarsPtr
140# endif
141# endif
142#endif
143
7a89be66 144#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH		 145
146#ifdef PERL_GLOBAL_STRUCT
147# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
148#else
149# define dVAR dNOOP
150#endif
151
c5be433b 152#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 153# ifndef MULTIPLICITY
154# define MULTIPLICITY
c5be433b 155# endif
e8dda941 156# define tTHX PerlInterpreter*
5ba4cab2 157# define pTHX register tTHX my_perl PERL_UNUSED_DECL
3db8f154 158# define aTHX my_perl
27da23d5 159# ifdef PERL_GLOBAL_STRUCT
e8dda941 160# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 161# else
e8dda941 162# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH		 163# endif
164# ifdef PERL_GLOBAL_STRUCT
165# define dTHX dVAR; pTHX = PERL_GET_THX
166# else
167# define dTHX pTHX = PERL_GET_THX
168# endif
c5be433b 169# define pTHX_ pTHX,
c5be433b 170# define aTHX_ aTHX,
4373e329 171# define pTHX_1 2
894356b3
GS		 172# define pTHX_2 3
173# define pTHX_3 4
174# define pTHX_4 5
4373e329
AL		 175# define pTHX_5 6
176# define pTHX_6 7
a3b680e6
AL		 177# define pTHX_7 8
178# define pTHX_8 9
179# define pTHX_9 10
e8dda941
JD		 180# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
181# define PERL_TRACK_MEMPOOL
182# endif
183#else
184# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 185#endif
186
76e3520e
GS		 187#define STATIC static
188#define CPERLscope(x) x
565764a8 189#define CPERLarg void
76e3520e 190#define CPERLarg_
e3b8966e 191#define _CPERLarg
1d583055
GS		 192#define PERL_OBJECT_THIS
193#define _PERL_OBJECT_THIS
194#define PERL_OBJECT_THIS_
312caa8e 195#define CALL_FPTR(fptr) (*fptr)
76e3520e 196
312caa8e 197#define CALLRUNOPS CALL_FPTR(PL_runops)
f9f4320a 198
3ab4a224 199#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 200
3ab4a224
AB		 201#define CALLREGCOMP_ENG(prog, sv, flags) \
202 CALL_FPTR(((prog)->comp))(aTHX_ sv, flags)
f9f4320a 203#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
07bc277f 204 CALL_FPTR(RX_ENGINE(prog)->exec)(aTHX_ (prog),(stringarg),(strend), \
f9f4320a
YO		 205 (strbeg),(minend),(screamer),(data),(flags))
206#define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \
07bc277f 207 CALL_FPTR(RX_ENGINE(prog)->intuit)(aTHX_ (prog), (sv), (strpos), \
f9f4320a
YO		 208 (strend),(flags),(data))
209#define CALLREG_INTUIT_STRING(prog) \
07bc277f 210 CALL_FPTR(RX_ENGINE(prog)->checkstr)(aTHX_ (prog))
f8149455 211
de8c5301 212#define CALLREG_AS_STR(mg,lp,flags,haseval) \
f8149455 213 Perl_reg_stringify(aTHX_ (mg), (lp), (flags), (haseval))
de8c5301 214#define CALLREG_STRINGIFY(mg,lp,flags) CALLREG_AS_STR(mg,lp,flags,0)
f8149455
YO		 215
216#define CALLREGFREE(prog) \
217 Perl_pregfree(aTHX_ (prog))
218
219#define CALLREGFREE_PVT(prog) \
07bc277f 220 if(prog) CALL_FPTR(RX_ENGINE(prog)->free)(aTHX_ (prog))
f8149455 221
2fdbfb4d 222#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
07bc277f 223 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_FETCH)(aTHX_ (rx),(paren),(usesv))
93b32b6d 224
2fdbfb4d 225#define CALLREG_NUMBUF_STORE(rx,paren,value) \
07bc277f 226 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_STORE)(aTHX_ (rx),(paren),(value))
2fdbfb4d
AB		 227
228#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
07bc277f 229 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_LENGTH)(aTHX_ (rx),(sv),(paren))
2fdbfb4d 230
192b9cd1 231#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
07bc277f 232 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
192b9cd1
AB		 233
234#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
07bc277f 235 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
192b9cd1
AB		 236
237#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
07bc277f 238 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB		 239
240#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
07bc277f 241 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB		 242
243#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
07bc277f 244 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB		 245
246#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
07bc277f 247 CALL_FPTR(RX_ENGINE(rx)->named_buff_iter)(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB		 248
249#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
07bc277f 250 CALL_FPTR(RX_ENGINE(rx)->named_buff_iter)(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB		 251
252#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
07bc277f 253 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
AB		 254
255#define CALLREG_NAMED_BUFF_COUNT(rx) \
07bc277f 256 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
192b9cd1
AB		 257
258#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
07bc277f 259 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 260
49d7dfbc 261#define CALLREG_PACKAGE(rx) \
07bc277f 262 CALL_FPTR(RX_ENGINE(rx)->qr_package)(aTHX_ (rx))
93b32b6d 263
f9f4320a
YO		 264#if defined(USE_ITHREADS)
265#define CALLREGDUPE(prog,param) \
f8149455
YO		 266 Perl_re_dup(aTHX_ (prog),(param))
267
268#define CALLREGDUPE_PVT(prog,param) \
07bc277f 269 (prog ? CALL_FPTR(RX_ENGINE(prog)->dupe)(aTHX_ (prog),(param)) \
f9f4320a
YO		 270 : (REGEXP *)NULL)
271#endif
14dd3ad8 272
a20207d7 273
bcdf7404 274
a20207d7
YO		 275
276
5ba4cab2
SH		 277/*
278 * Because of backward compatibility reasons the PERL_UNUSED_DECL
279 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
280 *
281 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 282 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 283 * marking unused variables (they need e.g. a #pragma) and therefore
284 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
285 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
286 *
287 */
1266ad8c 288
9969cdde 289#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 290# ifdef __cplusplus
5ba4cab2 291# define PERL_UNUSED_DECL
5b2bd0a5 292# else
5ba4cab2 293# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 294# endif
295#endif
44dbb695 296
5b2bd0a5 297#ifndef PERL_UNUSED_DECL
34659ad4 298# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 299# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 300# else
5ba4cab2 301# define PERL_UNUSED_DECL
b79c357a 302# endif
5b2bd0a5
AMS		 303#endif
304
349b520e
DM		 305/* gcc -Wall:
306 * for silencing unused variables that are actually used most of the time,
a0288114 307 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 308 */
53c1dcc0 309#ifndef PERL_UNUSED_ARG
c99ffe5e 310# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 311# include <note.h>
53c1dcc0 312# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 313# else
53c1dcc0 314# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 315# endif
316#endif
53c1dcc0
AL		 317#ifndef PERL_UNUSED_VAR
318# define PERL_UNUSED_VAR(x) ((void)x)
319#endif
ad73156c 320
96a5add6
AL		 321#ifdef USE_ITHREADS
322# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
323#else
324# define PERL_UNUSED_CONTEXT
325#endif
326
6f207bd3 327#define NOOP /*EMPTY*/(void)0
6b484a99
JH		 328#if !defined(HASATTRIBUTE_UNUSED) && defined(__cplusplus)
329#define dNOOP /*EMPTY*/(void)0 /* Older g++ has no __attribute((unused))__ */
330#else
6f207bd3 331#define dNOOP extern int /*@unused@*/ Perl___notused PERL_UNUSED_DECL
6b484a99 332#endif
71be2cbc 333
0cb96387 334#ifndef pTHX
e8dda941
JD		 335/* Don't bother defining tTHX and sTHX; using them outside
336 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
337 */
0cb96387
GS		 338# define pTHX void
339# define pTHX_
0cb96387
GS		 340# define aTHX
341# define aTHX_
0cb96387
GS		 342# define dTHXa(a) dNOOP
343# define dTHX dNOOP
894356b3
GS		 344# define pTHX_1 1
345# define pTHX_2 2
346# define pTHX_3 3
347# define pTHX_4 4
3d42dc86
RGS		 348# define pTHX_5 5
349# define pTHX_6 6
a3b680e6
AL		 350# define pTHX_7 7
351# define pTHX_8 8
352# define pTHX_9 9
0cb96387
GS		 353#endif
354
27da23d5
JH		 355#ifndef dVAR
356# define dVAR dNOOP
357#endif
358
b4f7f263
GS		 359/* these are only defined for compatibility; should not be used internally */
360#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 361# define pTHXo pTHX
362# define pTHXo_ pTHX_
0cb96387
GS		 363# define aTHXo aTHX
364# define aTHXo_ aTHX_
c5be433b 365# define dTHXo dTHX
71d280e3 366# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 367#endif
368
369#ifndef pTHXx
370# define pTHXx register PerlInterpreter *my_perl
371# define pTHXx_ pTHXx,
0cb96387
GS		 372# define aTHXx my_perl
373# define aTHXx_ aTHXx,
c5be433b 374# define dTHXx dTHX
22c35a8c 375#endif
71be2cbc 376
1de7c2ac
GS		 377/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
378 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
379 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
380#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 381# ifdef PERL_GLOBAL_STRUCT_PRIVATE
382# define dTHXs dVAR; dTHX
383# else
384# define dTHXs dTHX
385# endif
1de7c2ac 386#else
27da23d5
JH		 387# ifdef PERL_GLOBAL_STRUCT_PRIVATE
388# define dTHXs dVAR
389# else
390# define dTHXs dNOOP
391# endif
1de7c2ac
GS		 392#endif
393
326b05e3
GS		 394#undef START_EXTERN_C
395#undef END_EXTERN_C
396#undef EXTERN_C
32f822de
GS		 397#ifdef __cplusplus
398# define START_EXTERN_C extern "C" {
399# define END_EXTERN_C }
400# define EXTERN_C extern "C"
401#else
d460ef45
NIS		 402# define START_EXTERN_C
403# define END_EXTERN_C
73c4f7a1 404# define EXTERN_C extern
32f822de
GS		 405#endif
406
27da23d5
JH		 407/* Some platforms require marking function declarations
408 * for them to be exportable. Used in perlio.h, proto.h
409 * is handled either by the makedef.pl or by defining the
410 * PERL_CALLCONV to be something special. See also the
411 * definition of XS() in XSUB.h. */
412#ifndef PERL_EXPORT_C
a0c21aa1
JH		 413# ifdef __cplusplus
414# define PERL_EXPORT_C extern "C"
415# else
416# define PERL_EXPORT_C extern
417# endif
27da23d5
JH		 418#endif
419#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 420# ifdef __cplusplus
421# define PERL_XS_EXPORT_C extern "C"
422# else
423# define PERL_XS_EXPORT_C
424# endif
27da23d5
JH		 425#endif
426
462e5cf6
MB		 427#ifdef OP_IN_REGISTER
428# ifdef __GNUC__
429# define stringify_immed(s) #s
430# define stringify(s) stringify_immed(s)
d1ca3daa 431register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 432# endif
433#endif
434
e5afc1ae 435/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab
JH		 436 * g++ allows them but seems to have problems with them
437 * (insane errors ensue). */
438#if defined(PERL_GCC_PEDANTIC) || (defined(__GNUC__) && defined(__cplusplus))
5b692037 439# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 440# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
441# endif
5dc8bdac
JH		 442#endif
443
5b692037
JH		 444#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
445# ifndef PERL_USE_GCC_BRACE_GROUPS
446# define PERL_USE_GCC_BRACE_GROUPS
447# endif
448#endif
449
728e2803 450/*
451 * STMT_START { statements; } STMT_END;
452 * can be used as a single statement, as in
453 * if (x) STMT_START { ... } STMT_END; else ...
454 *
455 * Trying to select a version that gives no warnings...
456 */
457#if !(defined(STMT_START) && defined(STMT_END))
5b692037 458# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 459# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 460# define STMT_END )
461# else
462 /* Now which other defined()s do we need here ??? */
93189314 463# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 464# define STMT_START if (1)
465# define STMT_END else (void)0
466# else
467# define STMT_START do
468# define STMT_END while (0)
469# endif
470# endif
471#endif
472
0cb96387 473#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 474#define WITH_THR(s) WITH_THX(s)
ea0efc06 475
d6f9c181
JH		 476#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
477# define BYTEORDER 0x1234
79072805
LW		 478#endif
479
480/* Overall memory policy? */
481#ifndef CONSERVATIVE
482# define LIBERAL 1
483#endif
484
8ada0baa
JH		 485#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
486#define ASCIIish
487#else
488#undef ASCIIish
489#endif
490
79072805
LW		 491/*
492 * The following contortions are brought to you on behalf of all the
493 * standards, semi-standards, de facto standards, not-so-de-facto standards
494 * of the world, as well as all the other botches anyone ever thought of.
495 * The basic theory is that if we work hard enough here, the rest of the
496 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
497 */
ac58e20f 498
ee0007ab 499/* define this once if either system, instead of cluttering up the src */
2986a63f 500#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 501#define DOSISH 1
502#endif
503
fb38d079 504#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 505# define STANDARD_C 1
506#endif
507
9969cdde 508#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 509# define DONT_DECLARE_STD 1
510#endif
511
352d5a3a 512#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 513# ifdef __cplusplus
cb69f87a 514# define VOL /* to temporarily suppress warnings */
79072805
LW		 515# else
516# define VOL volatile
517# endif
663a0e37 518#else
79072805 519# define VOL
663a0e37
LW		 520#endif
521
3280af22
NIS		 522#define TAINT (PL_tainted = TRUE)
523#define TAINT_NOT (PL_tainted = FALSE)
524#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
525#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 526#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 527
d460ef45 528/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 529 defines move there? If so, I could simplify this a lot. --AD 9/96.
530*/
531/* Process group stuff changed from traditional BSD to POSIX.
532 perlfunc.pod documents the traditional BSD-style syntax, so we'll
533 try to preserve that, if possible.
534*/
535#ifdef HAS_SETPGID
536# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 537#else
a6e633de 538# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
539# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
540# else
541# ifdef HAS_SETPGRP2 /* DG/UX */
542# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
543# endif
544# endif
545#endif
546#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
547# define HAS_SETPGRP /* Well, effectively it does . . . */
548#endif
549
550/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
551 our life easier :-) so we'll try it.
552*/
553#ifdef HAS_GETPGID
554# define BSD_GETPGRP(pid) getpgid((pid))
555#else
556# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
557# define BSD_GETPGRP(pid) getpgrp((pid))
558# else
559# ifdef HAS_GETPGRP2 /* DG/UX */
560# define BSD_GETPGRP(pid) getpgrp2((pid))
561# endif
562# endif
563#endif
564#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
565# define HAS_GETPGRP /* Well, effectively it does . . . */
566#endif
567
d460ef45 568/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 569 have different behaviors, but perl.h used to define USE_BSDPGRP
570 (prior to 5.003_05) so some extension might depend on it.
571*/
572#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
573# ifndef USE_BSDPGRP
574# define USE_BSDPGRP
575# endif
663a0e37
LW		 576#endif
577
8ac5a1fe
MH		 578/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
579 pthread.h must be included before all other header files.
580*/
3db8f154 581#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 582# include <pthread.h>
583#endif
584
760ac839
LW		 585#ifndef _TYPES_ /* If types.h defines this it's easy. */
586# ifndef major /* Does everyone's types.h define this? */
587# include <sys/types.h>
c07a80fd 588# endif
663a0e37
LW		 589#endif
590
760ac839
LW		 591#ifdef __cplusplus
592# ifndef I_STDARG
593# define I_STDARG 1
594# endif
595#endif
596
597#ifdef I_STDARG
598# include <stdarg.h>
599#else
600# ifdef I_VARARGS
601# include <varargs.h>
602# endif
603#endif
604
4633a7c4 605#ifdef USE_NEXT_CTYPE
0c30d9ec 606
092bebab
JH		 607#if NX_CURRENT_COMPILER_RELEASE >= 500
608# include <bsd/ctypes.h>
609#else
610# if NX_CURRENT_COMPILER_RELEASE >= 400
611# include <objc/NXCType.h>
612# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
613# include <appkit/NXCType.h>
614# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
615#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 616
617#else /* !USE_NEXT_CTYPE */
fe14fcc3 618#include <ctype.h>
0c30d9ec 619#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 620
621#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
622#undef METHOD
a0d0e21e
LW		 623#endif
624
12ae5dfc
JH		 625#ifdef PERL_MICRO
626# define NO_LOCALE
627#endif
628
4633a7c4 629#ifdef I_LOCALE
36477c24 630# include <locale.h>
4633a7c4
LW		 631#endif
632
36477c24 633#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
634# define USE_LOCALE
635# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
636 && defined(HAS_STRXFRM)
637# define USE_LOCALE_COLLATE
638# endif
639# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
640# define USE_LOCALE_CTYPE
641# endif
642# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
643# define USE_LOCALE_NUMERIC
644# endif
645#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 646
fe14fcc3 647#include <setjmp.h>
79072805 648
a0d0e21e 649#ifdef I_SYS_PARAM
79072805
LW		 650# ifdef PARAM_NEEDS_TYPES
651# include <sys/types.h>
652# endif
653# include <sys/param.h>
352d5a3a 654#endif
79072805 655
79072805 656/* Use all the "standard" definitions? */
a0d0e21e 657#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 658# include <stdlib.h>
ff68c719 659#endif
03a14243 660
3f270f98
JH		 661/* If this causes problems, set i_unistd=undef in the hint file. */
662#ifdef I_UNISTD
663# include <unistd.h>
664#endif
665
9969cdde 666#ifdef __SYMBIAN32__
27da23d5
JH		 667# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
668#endif
669
7114a2d2 670#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 671EXTERN_C int syscall(int, ...);
2ef53570
JH		 672#endif
673
7114a2d2 674#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 675EXTERN_C int usleep(unsigned int);
2ef53570
JH		 676#endif
677
9c12f1e5
RGS		 678/* Funky places that do not have socket stuff. */
679#if defined(__LIBCATAMOUNT__)
680# define MYSWAP
681#endif
682
9a34ef1d
GS		 683#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
684# define MYSWAP
685#endif
686
1109a392
MHM		 687#ifdef PERL_CORE
688
689/* macros for correct constant construction */
690# if INTSIZE >= 2
691# define U16_CONST(x) ((U16)x##U)
692# else
693# define U16_CONST(x) ((U16)x##UL)
694# endif
695
696# if INTSIZE >= 4
697# define U32_CONST(x) ((U32)x##U)
698# else
699# define U32_CONST(x) ((U32)x##UL)
700# endif
701
702# ifdef HAS_QUAD
703# if INTSIZE >= 8
704# define U64_CONST(x) ((U64)x##U)
705# elif LONGSIZE >= 8
706# define U64_CONST(x) ((U64)x##UL)
707# elif QUADKIND == QUAD_IS_LONG_LONG
708# define U64_CONST(x) ((U64)x##ULL)
709# else /* best guess we can make */
710# define U64_CONST(x) ((U64)x##UL)
711# endif
712# endif
713
714/* byte-swapping functions for big-/little-endian conversion */
715# define _swab_16_(x) ((U16)( \
716 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
717 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
718
719# define _swab_32_(x) ((U32)( \
720 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
721 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
722 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
723 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
724
725# ifdef HAS_QUAD
726# define _swab_64_(x) ((U64)( \
727 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
728 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
729 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
730 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
731 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
732 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
733 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
734 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
735# endif
736
737/*----------------------------------------------------------------------------*/
738# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
739/*----------------------------------------------------------------------------*/
740# define my_htole16(x) (x)
741# define my_letoh16(x) (x)
742# define my_htole32(x) (x)
743# define my_letoh32(x) (x)
744# define my_htobe16(x) _swab_16_(x)
745# define my_betoh16(x) _swab_16_(x)
746# define my_htobe32(x) _swab_32_(x)
747# define my_betoh32(x) _swab_32_(x)
748# ifdef HAS_QUAD
749# define my_htole64(x) (x)
750# define my_letoh64(x) (x)
751# define my_htobe64(x) _swab_64_(x)
752# define my_betoh64(x) _swab_64_(x)
753# endif
754# define my_htoles(x) (x)
755# define my_letohs(x) (x)
756# define my_htolei(x) (x)
757# define my_letohi(x) (x)
758# define my_htolel(x) (x)
759# define my_letohl(x) (x)
760# if SHORTSIZE == 1
761# define my_htobes(x) (x)
762# define my_betohs(x) (x)
763# elif SHORTSIZE == 2
764# define my_htobes(x) _swab_16_(x)
765# define my_betohs(x) _swab_16_(x)
766# elif SHORTSIZE == 4
767# define my_htobes(x) _swab_32_(x)
768# define my_betohs(x) _swab_32_(x)
769# elif SHORTSIZE == 8
770# define my_htobes(x) _swab_64_(x)
771# define my_betohs(x) _swab_64_(x)
772# else
773# define PERL_NEED_MY_HTOBES
774# define PERL_NEED_MY_BETOHS
775# endif
776# if INTSIZE == 1
777# define my_htobei(x) (x)
778# define my_betohi(x) (x)
779# elif INTSIZE == 2
780# define my_htobei(x) _swab_16_(x)
781# define my_betohi(x) _swab_16_(x)
782# elif INTSIZE == 4
783# define my_htobei(x) _swab_32_(x)
784# define my_betohi(x) _swab_32_(x)
785# elif INTSIZE == 8
786# define my_htobei(x) _swab_64_(x)
787# define my_betohi(x) _swab_64_(x)
788# else
789# define PERL_NEED_MY_HTOBEI
790# define PERL_NEED_MY_BETOHI
791# endif
792# if LONGSIZE == 1
793# define my_htobel(x) (x)
794# define my_betohl(x) (x)
795# elif LONGSIZE == 2
796# define my_htobel(x) _swab_16_(x)
797# define my_betohl(x) _swab_16_(x)
798# elif LONGSIZE == 4
799# define my_htobel(x) _swab_32_(x)
800# define my_betohl(x) _swab_32_(x)
801# elif LONGSIZE == 8
802# define my_htobel(x) _swab_64_(x)
803# define my_betohl(x) _swab_64_(x)
804# else
805# define PERL_NEED_MY_HTOBEL
806# define PERL_NEED_MY_BETOHL
807# endif
808# define my_htolen(p,n) NOOP
809# define my_letohn(p,n) NOOP
810# define my_htoben(p,n) my_swabn(p,n)
811# define my_betohn(p,n) my_swabn(p,n)
812/*----------------------------------------------------------------------------*/
813# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
814/*----------------------------------------------------------------------------*/
815# define my_htobe16(x) (x)
816# define my_betoh16(x) (x)
817# define my_htobe32(x) (x)
818# define my_betoh32(x) (x)
819# define my_htole16(x) _swab_16_(x)
820# define my_letoh16(x) _swab_16_(x)
821# define my_htole32(x) _swab_32_(x)
822# define my_letoh32(x) _swab_32_(x)
823# ifdef HAS_QUAD
824# define my_htobe64(x) (x)
825# define my_betoh64(x) (x)
826# define my_htole64(x) _swab_64_(x)
827# define my_letoh64(x) _swab_64_(x)
828# endif
829# define my_htobes(x) (x)
830# define my_betohs(x) (x)
831# define my_htobei(x) (x)
832# define my_betohi(x) (x)
833# define my_htobel(x) (x)
834# define my_betohl(x) (x)
835# if SHORTSIZE == 1
836# define my_htoles(x) (x)
837# define my_letohs(x) (x)
838# elif SHORTSIZE == 2
839# define my_htoles(x) _swab_16_(x)
840# define my_letohs(x) _swab_16_(x)
841# elif SHORTSIZE == 4
842# define my_htoles(x) _swab_32_(x)
843# define my_letohs(x) _swab_32_(x)
844# elif SHORTSIZE == 8
845# define my_htoles(x) _swab_64_(x)
846# define my_letohs(x) _swab_64_(x)
847# else
848# define PERL_NEED_MY_HTOLES
849# define PERL_NEED_MY_LETOHS
850# endif
851# if INTSIZE == 1
852# define my_htolei(x) (x)
853# define my_letohi(x) (x)
854# elif INTSIZE == 2
855# define my_htolei(x) _swab_16_(x)
856# define my_letohi(x) _swab_16_(x)
857# elif INTSIZE == 4
858# define my_htolei(x) _swab_32_(x)
859# define my_letohi(x) _swab_32_(x)
860# elif INTSIZE == 8
861# define my_htolei(x) _swab_64_(x)
862# define my_letohi(x) _swab_64_(x)
863# else
864# define PERL_NEED_MY_HTOLEI
865# define PERL_NEED_MY_LETOHI
866# endif
867# if LONGSIZE == 1
868# define my_htolel(x) (x)
869# define my_letohl(x) (x)
870# elif LONGSIZE == 2
871# define my_htolel(x) _swab_16_(x)
872# define my_letohl(x) _swab_16_(x)
873# elif LONGSIZE == 4
874# define my_htolel(x) _swab_32_(x)
875# define my_letohl(x) _swab_32_(x)
876# elif LONGSIZE == 8
877# define my_htolel(x) _swab_64_(x)
878# define my_letohl(x) _swab_64_(x)
879# else
880# define PERL_NEED_MY_HTOLEL
881# define PERL_NEED_MY_LETOHL
882# endif
883# define my_htolen(p,n) my_swabn(p,n)
884# define my_letohn(p,n) my_swabn(p,n)
885# define my_htoben(p,n) NOOP
886# define my_betohn(p,n) NOOP
887/*----------------------------------------------------------------------------*/
888# else /* all other byte-orders */
889/*----------------------------------------------------------------------------*/
890# define PERL_NEED_MY_HTOLE16
891# define PERL_NEED_MY_LETOH16
892# define PERL_NEED_MY_HTOBE16
893# define PERL_NEED_MY_BETOH16
894# define PERL_NEED_MY_HTOLE32
895# define PERL_NEED_MY_LETOH32
896# define PERL_NEED_MY_HTOBE32
897# define PERL_NEED_MY_BETOH32
898# ifdef HAS_QUAD
899# define PERL_NEED_MY_HTOLE64
900# define PERL_NEED_MY_LETOH64
901# define PERL_NEED_MY_HTOBE64
902# define PERL_NEED_MY_BETOH64
903# endif
904# define PERL_NEED_MY_HTOLES
905# define PERL_NEED_MY_LETOHS
906# define PERL_NEED_MY_HTOBES
907# define PERL_NEED_MY_BETOHS
908# define PERL_NEED_MY_HTOLEI
909# define PERL_NEED_MY_LETOHI
910# define PERL_NEED_MY_HTOBEI
911# define PERL_NEED_MY_BETOHI
912# define PERL_NEED_MY_HTOLEL
913# define PERL_NEED_MY_LETOHL
914# define PERL_NEED_MY_HTOBEL
915# define PERL_NEED_MY_BETOHL
916/*----------------------------------------------------------------------------*/
917# endif /* end of byte-order macros */
918/*----------------------------------------------------------------------------*/
919
9c17f24a
NC		 920/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
921 at least on FreeBSD. YMMV, so experiment. */
922#ifndef PERL_ARENA_SIZE
923#define PERL_ARENA_SIZE 4080
924#endif
925
1109a392
MHM		 926#endif /* PERL_CORE */
927
bdf3085f
NC		 928/* We no longer default to creating a new SV for GvSV.
929 Do this before embed. */
930#ifndef PERL_CREATE_GVSV
7459f06b
NC		 931# ifndef PERL_DONT_CREATE_GVSV
932# define PERL_DONT_CREATE_GVSV
933# endif
bdf3085f
NC		 934#endif
935
ca0c25f6
NC		 936#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
937#define PERL_USES_PL_PIDSTATUS
938#endif
939
a62746fa
RGS		 940#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__) && !defined(MACOS_TRADITIONAL)
941#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
942#endif
943
66a93824
NIS		 944/* Cannot include embed.h here on Win32 as win32.h has not
945 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
946 */
96e176bf 947#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 948# include "embed.h"
eb8433b7
NC		 949# ifndef PERL_MAD
950# undef op_getmad
b3f24c00 951# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 952# endif
cea2e8a9
GS		 953#endif
954
c31fac66
GS		 955#define MEM_SIZE Size_t
956
1936d2a7
NC		 957/* Round all values passed to malloc up, by default to a multiple of
958 sizeof(size_t)
959*/
960#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
961#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
962#endif
963
51371543
GS		 964#if defined(STANDARD_C) && defined(I_STDDEF)
965# include <stddef.h>
966# define STRUCT_OFFSET(s,m) offsetof(s,m)
967#else
968# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
969#endif
970
9969cdde 971#ifndef __SYMBIAN32__
27da23d5
JH		 972# if defined(I_STRING) || defined(__cplusplus)
973# include <string.h>
974# else
975# include <strings.h>
976# endif
51371543
GS		 977#endif
978
55497cff 979/* This comes after <stdlib.h> so we don't try to change the standard
980 * library prototypes; we'll use our own in proto.h instead. */
03a14243 981
4633a7c4 982#ifdef MYMALLOC
86058a2d 983# ifdef PERL_POLLUTE_MALLOC
ee13e175 984# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 985# define Perl_malloc malloc
986# define Perl_calloc calloc
987# define Perl_realloc realloc
988# define Perl_mfree free
ee13e175 989# endif
86058a2d
GS		 990# else
991# define EMBEDMYMALLOC /* for compatibility */
992# endif
827e134a 993
651b9576
GS		 994# define safemalloc Perl_malloc
995# define safecalloc Perl_calloc
996# define saferealloc Perl_realloc
997# define safefree Perl_mfree
22f7c9c9
JH		 998# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
999 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1000 code; \
1001 } STMT_END
1002# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1003 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1004# define panic_write2(s) write(2, s, strlen(s))
1005# define CHECK_MALLOC_TAINT(newval) \
1006 CHECK_MALLOC_TOO_LATE_FOR_( \
1007 if (newval) { \
1008 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1009 exit(1); })
22f7c9c9 1010# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1011 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 1012 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1013 }} STMT_END;
f2517201
GS		 1014#else /* MYMALLOC */
1015# define safemalloc safesysmalloc
1016# define safecalloc safesyscalloc
1017# define saferealloc safesysrealloc
1018# define safefree safesysfree
22f7c9c9
JH		 1019# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1020# define CHECK_MALLOC_TAINT(newval) ((void)0)
1021# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1022#endif /* MYMALLOC */
4633a7c4 1023
27da23d5 1024#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		 1025#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1026#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1027#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1028
a0d0e21e
LW		 1029#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1030#define strchr index
1031#define strrchr rindex
1032#endif
1033
16d20bd9
AD		 1034#ifdef I_MEMORY
1035# include <memory.h>
1036#endif
1037
fe14fcc3 1038#ifdef HAS_MEMCPY
85e6fe83 1039# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1040# ifndef memcpy
20ce7b12 1041 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 1042# endif
1043# endif
1044#else
1045# ifndef memcpy
1046# ifdef HAS_BCOPY
1047# define memcpy(d,s,l) bcopy(s,d,l)
1048# else
1049# define memcpy(d,s,l) my_bcopy(s,d,l)
1050# endif
1051# endif
1052#endif /* HAS_MEMCPY */
fe14fcc3 1053
ee0007ab 1054#ifdef HAS_MEMSET
85e6fe83 1055# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1056# ifndef memset
20ce7b12 1057 extern char *memset (char*, int, int);
ee0007ab
LW		 1058# endif
1059# endif
ee0007ab 1060#else
12ae5dfc 1061# undef memset
fc36a67e 1062# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1063#endif /* HAS_MEMSET */
1064
85e6fe83 1065#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1066# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1067# define memmove(d,s,l) bcopy(s,d,l)
1068# else
2304df62 1069# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1070# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1071# else
79072805 1072# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1073# endif
352d5a3a 1074# endif
d9d8d8de 1075#endif
ee0007ab 1076
36477c24 1077#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1078# undef HAS_MEMCMP
1079#endif
1080
1081#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1082# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1083# ifndef memcmp
20ce7b12 1084 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1085# endif
1086# endif
36477c24 1087# ifdef BUGGY_MSC
7e4e8c89 1088# pragma function(memcmp)
36477c24 1089# endif
ee0007ab
LW		 1090#else
1091# ifndef memcmp
ecfc5424 1092# define memcmp my_memcmp
352d5a3a 1093# endif
36477c24 1094#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1095
fc36a67e 1096#ifndef memzero
c635e13b 1097# ifdef HAS_MEMSET
1098# define memzero(d,l) memset(d,0,l)
79072805 1099# else
c635e13b 1100# ifdef HAS_BZERO
1101# define memzero(d,l) bzero(d,l)
79072805 1102# else
fc36a67e 1103# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1104# endif
1105# endif
d9d8d8de 1106#endif
378cc40b 1107
2f42fcb0 1108#ifndef PERL_MICRO
0f27ced1
JH		 1109#ifndef memchr
1110# ifndef HAS_MEMCHR
1111# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1112# endif
1113#endif
2f42fcb0 1114#endif
0f27ced1 1115
36477c24 1116#ifndef HAS_BCMP
1117# ifndef bcmp
1118# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1119# endif
36477c24 1120#endif /* !HAS_BCMP */
378cc40b 1121
ae986130 1122#ifdef I_NETINET_IN
79072805 1123# include <netinet/in.h>
ae986130
LW		 1124#endif
1125
28e8609d
JH		 1126#ifdef I_ARPA_INET
1127# include <arpa/inet.h>
1128#endif
1129
84902520
TB		 1130#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1131/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1132 * (the neo-BSD seem to do this). */
1133# undef SF_APPEND
1134#endif
1135
1aef975c 1136#ifdef I_SYS_STAT
84902520 1137# include <sys/stat.h>
1aef975c 1138#endif
79072805 1139
a0d0e21e
LW		 1140/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1141 like UTekV) are broken, sometimes giving false positives. Undefine
1142 them here and let the code below set them to proper values.
1143
1144 The ghs macro stands for GreenHills Software C-1.8.5 which
1145 is the C compiler for sysV88 and the various derivatives.
1146 This header file bug is corrected in gcc-2.5.8 and later versions.
1147 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1148
1149#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1150# undef S_ISDIR
1151# undef S_ISCHR
1152# undef S_ISBLK
1153# undef S_ISREG
1154# undef S_ISFIFO
1155# undef S_ISLNK
ee0007ab 1156#endif
135863df 1157
663a0e37
LW		 1158#ifdef I_TIME
1159# include <time.h>
ffed7fef 1160#endif
663a0e37 1161
fe14fcc3 1162#ifdef I_SYS_TIME
85e6fe83 1163# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1164# define KERNEL
1165# endif
1166# include <sys/time.h>
85e6fe83 1167# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1168# undef KERNEL
1169# endif
a687059c 1170#endif
135863df 1171
55497cff 1172#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1173# include <sys/times.h>
d9d8d8de 1174#endif
8d063cd8 1175
fe14fcc3 1176#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1177# undef HAS_STRERROR
663a0e37
LW		 1178#endif
1179
1180#include <errno.h>
1e743fda 1181
acfe0abc 1182#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1183# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1184#endif
1185
8cfab5ff
JH		 1186/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1187 * This is important for using IPv6.
1188 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1189 * a bad idea since it breaks send() and recv(). */
1190#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1191# define _SOCKADDR_LEN
1192#endif
1193
8d3f517a 1194#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1195# include <sys/socket.h>
1196# if defined(USE_SOCKS) && defined(I_SOCKS)
1197# if !defined(INCLUDE_PROTOTYPES)
1198# define INCLUDE_PROTOTYPES /* for <socks.h> */
1199# define PERL_SOCKS_NEED_PROTOTYPES
1200# endif
1201# include <socks.h>
1202# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1203# undef INCLUDE_PROTOTYPES
1204# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1205# endif
d460ef45 1206# endif
1e743fda 1207# ifdef I_NETDB
2986a63f
JH		 1208# ifdef NETWARE
1209# include<stdio.h>
1210# endif
1e743fda
JH		 1211# include <netdb.h>
1212# endif
1213# ifndef ENOTSOCK
1214# ifdef I_NET_ERRNO
1215# include <net/errno.h>
1216# endif
1217# endif
1218#endif
1219
fa0a29af 1220/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1221 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1222 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1223#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1224# if defined(__THROW) && defined(__GLIBC__)
1225int sockatmark(int) __THROW;
1226# else
2ef53570 1227int sockatmark(int);
29820b6d 1228# endif
2ef53570
JH		 1229#endif
1230
7e827271 1231#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		 1232EXTERN_C int fchdir(int);
1233EXTERN_C int flock(int, int);
1234EXTERN_C int fseeko(FILE *, off_t, int);
1235EXTERN_C off_t ftello(FILE *);
1236#endif
1237
7e827271 1238#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1239EXTERN_C char *crypt(const char *, const char *);
7e827271 1240EXTERN_C char **environ;
1ccb7c8d
JH		 1241#endif
1242
83a6ff2e 1243#if defined(__cplusplus)
944c4fda 1244# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1245EXTERN_C char **environ;
83a6ff2e 1246# elif defined(__CYGWIN__)
667e2948
SP		 1247EXTERN_C char *crypt(const char *, const char *);
1248#endif
83a6ff2e 1249#endif
667e2948 1250
1e743fda
JH		 1251#ifdef SETERRNO
1252# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1253#endif
f86702cc 1254
1255#ifdef VMS
1256# define SETERRNO(errcode,vmserrcode) \
1257 STMT_START { \
1258 set_errno(errcode); \
1259 set_vaxc_errno(vmserrcode); \
1260 } STMT_END
93189314
JH		 1261# define LIB_INVARG LIB$_INVARG
1262# define RMS_DIR RMS$_DIR
1263# define RMS_FAC RMS$_FAC
1264# define RMS_FEX RMS$_FEX
1265# define RMS_FNF RMS$_FNF
1266# define RMS_IFI RMS$_IFI
1267# define RMS_ISI RMS$_ISI
1268# define RMS_PRV RMS$_PRV
1269# define SS_ACCVIO SS$_ACCVIO
1270# define SS_DEVOFFLINE SS$_DEVOFFLINE
1271# define SS_IVCHAN SS$_IVCHAN
1272# define SS_NORMAL SS$_NORMAL
748a9306 1273#else
aba27d88 1274# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 1275# define LIB_INVARG 0
1276# define RMS_DIR 0
1277# define RMS_FAC 0
1278# define RMS_FEX 0
1279# define RMS_FNF 0
1280# define RMS_IFI 0
1281# define RMS_ISI 0
1282# define RMS_PRV 0
1283# define SS_ACCVIO 0
1284# define SS_DEVOFFLINE 0
1285# define SS_IVCHAN 0
1286# define SS_NORMAL 0
748a9306 1287#endif
ed6116ce 1288
3db8f154 1289#define ERRSV GvSV(PL_errgv)
e203899d
NC		 1290/* FIXME? Change the assignments to PL_defgv to instantiate GvSV? */
1291#define DEFSV GvSVn(PL_defgv)
3db8f154 1292#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1293
98eae8f5
GS		 1294#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1295
55497cff 1296#ifndef errno
5ff3f7a4
GS		 1297 extern int errno; /* ANSI allows errno to be an lvalue expr.
1298 * For example in multithreaded environments
1299 * something like this might happen:
1300 * extern int *_errno(void);
1301 * #define errno (*_errno()) */
d9d8d8de 1302#endif
663a0e37 1303
2304df62 1304#ifdef HAS_STRERROR
a0d0e21e 1305# ifdef VMS
20ce7b12 1306 char *strerror (int,...);
a0d0e21e 1307# else
68dc0745 1308#ifndef DONT_DECLARE_STD
20ce7b12 1309 char *strerror (int);
68dc0745 1310#endif
a0d0e21e 1311# endif
2304df62
AD		 1312# ifndef Strerror
1313# define Strerror strerror
1314# endif
1315#else
1316# ifdef HAS_SYS_ERRLIST
79072805
LW		 1317 extern int sys_nerr;
1318 extern char *sys_errlist[];
2304df62
AD		 1319# ifndef Strerror
1320# define Strerror(e) \
79072805 1321 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1322# endif
79072805 1323# endif
35c8bce7 1324#endif
663a0e37 1325
2304df62 1326#ifdef I_SYS_IOCTL
79072805
LW		 1327# ifndef _IOCTL_
1328# include <sys/ioctl.h>
1329# endif
a687059c
LW		 1330#endif
1331
ee0007ab 1332#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1333# ifdef HAS_SOCKETPAIR
1334# undef HAS_SOCKETPAIR
1335# endif
2304df62
AD		 1336# ifdef I_NDBM
1337# undef I_NDBM
79072805 1338# endif
a687059c
LW		 1339#endif
1340
02fc2eee
NC		 1341#ifndef HAS_SOCKETPAIR
1342# ifdef HAS_SOCKET
1343# define socketpair Perl_my_socketpair
1344# endif
1345#endif
1346
a687059c 1347#if INTSIZE == 2
79072805
LW		 1348# define htoni htons
1349# define ntohi ntohs
a687059c 1350#else
79072805
LW		 1351# define htoni htonl
1352# define ntohi ntohl
a687059c
LW		 1353#endif
1354
a0d0e21e 1355/* Configure already sets Direntry_t */
35c8bce7 1356#if defined(I_DIRENT)
663a0e37 1357# include <dirent.h>
8f1f23e8
W		 1358 /* NeXT needs dirent + sys/dir.h */
1359# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1360# include <sys/dir.h>
1361# endif
ae986130 1362#else
fe14fcc3 1363# ifdef I_SYS_NDIR
79a0689e 1364# include <sys/ndir.h>
663a0e37 1365# else
fe14fcc3 1366# ifdef I_SYS_DIR
79a0689e
LW		 1367# ifdef hp9000s500
1368# include <ndir.h> /* may be wrong in the future */
1369# else
1370# include <sys/dir.h>
1371# endif
663a0e37
LW		 1372# endif
1373# endif
4633a7c4 1374#endif
a687059c 1375
12ae5dfc
JH		 1376#ifdef PERL_MICRO
1377# ifndef DIR
1378# define DIR void
1379# endif
1380#endif
1381
352d5a3a
LW		 1382#ifdef FPUTS_BOTCH
1383/* work around botch in SunOS 4.0.1 and 4.0.2 */
1384# ifndef fputs
79072805 1385# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1386# endif
1387#endif
1388
c623bd54
LW		 1389/*
1390 * The following gobbledygook brought to you on behalf of __STDC__.
1391 * (I could just use #ifndef __STDC__, but this is more bulletproof
1392 * in the face of half-implementations.)
1393 */
1394
7114a2d2 1395#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1396#include <sys/mode.h>
1397#endif
1398
c623bd54
LW		 1399#ifndef S_IFMT
1400# ifdef _S_IFMT
1401# define S_IFMT _S_IFMT
1402# else
1403# define S_IFMT 0170000
1404# endif
1405#endif
1406
1407#ifndef S_ISDIR
1408# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1409#endif
1410
1411#ifndef S_ISCHR
1412# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1413#endif
1414
1415#ifndef S_ISBLK
fe14fcc3
LW		 1416# ifdef S_IFBLK
1417# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1418# else
1419# define S_ISBLK(m) (0)
1420# endif
c623bd54
LW		 1421#endif
1422
1423#ifndef S_ISREG
1424# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1425#endif
1426
1427#ifndef S_ISFIFO
fe14fcc3
LW		 1428# ifdef S_IFIFO
1429# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1430# else
1431# define S_ISFIFO(m) (0)
1432# endif
c623bd54
LW		 1433#endif
1434
1435#ifndef S_ISLNK
1436# ifdef _S_ISLNK
1437# define S_ISLNK(m) _S_ISLNK(m)
1438# else
1439# ifdef _S_IFLNK
1440# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1441# else
1442# ifdef S_IFLNK
1443# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1444# else
1445# define S_ISLNK(m) (0)
1446# endif
1447# endif
1448# endif
1449#endif
1450
1451#ifndef S_ISSOCK
1452# ifdef _S_ISSOCK
1453# define S_ISSOCK(m) _S_ISSOCK(m)
1454# else
1455# ifdef _S_IFSOCK
1456# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1457# else
1458# ifdef S_IFSOCK
1459# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1460# else
1461# define S_ISSOCK(m) (0)
1462# endif
1463# endif
1464# endif
1465#endif
1466
1467#ifndef S_IRUSR
1468# ifdef S_IREAD
1469# define S_IRUSR S_IREAD
1470# define S_IWUSR S_IWRITE
1471# define S_IXUSR S_IEXEC
1472# else
1473# define S_IRUSR 0400
1474# define S_IWUSR 0200
1475# define S_IXUSR 0100
1476# endif
fac7cdfc
JS		 1477#endif
1478
1479#ifndef S_IRGRP
1480# ifdef S_IRUSR
1481# define S_IRGRP (S_IRUSR>>3)
1482# define S_IWGRP (S_IWUSR>>3)
1483# define S_IXGRP (S_IXUSR>>3)
1484# else
1485# define S_IRGRP 0040
1486# define S_IWGRP 0020
1487# define S_IXGRP 0010
1488# endif
1489#endif
1490
1491#ifndef S_IROTH
1492# ifdef S_IRUSR
1493# define S_IROTH (S_IRUSR>>6)
1494# define S_IWOTH (S_IWUSR>>6)
1495# define S_IXOTH (S_IXUSR>>6)
1496# else
1497# define S_IROTH 0040
1498# define S_IWOTH 0020
1499# define S_IXOTH 0010
1500# endif
c623bd54
LW		 1501#endif
1502
1503#ifndef S_ISUID
1504# define S_ISUID 04000
1505#endif
1506
1507#ifndef S_ISGID
1508# define S_ISGID 02000
1509#endif
1510
ca6e1c26
JH		 1511#ifndef S_IRWXU
1512# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1513#endif
ca6e1c26
JH		 1514
1515#ifndef S_IRWXG
1516# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1517#endif
ca6e1c26
JH		 1518
1519#ifndef S_IRWXO
1520# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1521#endif
ca6e1c26 1522
c21fb2b8
JH		 1523/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1524 * which would get included through <sys/file.h >, but that is 3000
1525 * lines in the future. --jhi */
1526
1527#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 1528# define S_IREAD S_IRUSR
1529#endif
1530
c21fb2b8 1531#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1532# define S_IWRITE S_IWUSR
1533#endif
1534
1535#ifndef S_IEXEC
1536# define S_IEXEC S_IXUSR
1537#endif
1538
79072805
LW		 1539#ifdef ff_next
1540# undef ff_next
352d5a3a
LW		 1541#endif
1542
a0d0e21e 1543#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1544# define SLOPPYDIVIDE
1545#endif
1546
748a9306
LW		 1547#ifdef UV
1548#undef UV
1549#endif
1550
c89df6bf
JH		 1551#ifdef SPRINTF_E_BUG
1552# define sprintf UTS_sprintf_wrap
1553#endif
1554
ce582cee
NC		 1555/* For the times when you want the return value of sprintf, and you want it
1556 to be the length. Can't have a thread variable passed in, because C89 has
1557 no varargs macros.
1558*/
1559#ifdef SPRINTF_RETURNS_STRLEN
1560# define my_sprintf sprintf
1561#else
1562# define my_sprintf Perl_my_sprintf
1563#endif
1564
5b692037
JH		 1565/*
1566 * If we have v?snprintf() and the C99 variadic macros, we can just
1567 * use just the v?snprintf(). It is nice to try to trap the buffer
1568 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1569 * gcc statement expressions, then use the function wrappers which try
1570 * to trap the overflow. If we can use the gcc statement expressions,
1571 * we can try that even with the version that uses the C99 variadic
1572 * macros.
5b692037
JH		 1573 */
1574
1208b3dd
JH		 1575/* Note that we do not check against snprintf()/vsnprintf() returning
1576 * negative values because that is non-standard behaviour and we use
1577 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1578 * that should be true only if the snprintf()/vsnprintf() are true
1579 * to the standard. */
1580
dfeee9b1 1581#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1582# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1583# 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 1584# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1585# else
1586# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1587# endif
1588#else
1589# define my_snprintf Perl_my_snprintf
1208b3dd 1590# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1591#endif
1592
dfeee9b1 1593#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1594# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1595# define my_vsnprintf(buffer, len, ...) ({ int __len__ = vsnprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (len)) Perl_croak_nocontext("panic: vsnprintf buffer overflow"); __len__; })
1208b3dd 1596# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1597# else
1598# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1599# endif
1600#else
1601# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1602# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1603#endif
d9fad198 1604
a6cc4119
SP		 1605#ifdef HAS_STRLCAT
1606# define my_strlcat strlcat
1607#else
1608# define my_strlcat Perl_my_strlcat
1609#endif
1610
1611#ifdef HAS_STRLCPY
1612# define my_strlcpy strlcpy
1613#else
1614# define my_strlcpy Perl_my_strlcpy
1615#endif
1616
c495e728
JH		 1617/* Configure gets this right but the UTS compiler gets it wrong.
1618 -- Hal Morris <hom00@utsglobal.com> */
1619#ifdef UTS
1620# undef UVTYPE
1621# define UVTYPE unsigned
1622#endif
1623
05f13f53 1624/*
27d4fb96 1625 The IV type is supposed to be long enough to hold any integral
1626 value or a pointer.
1627 --Andy Dougherty August 1996
1628*/
1629
a22e52b9
JH		 1630typedef IVTYPE IV;
1631typedef UVTYPE UV;
8175356b 1632
10cc9d2a 1633#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1634# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1635# define IV_MAX INT64_MAX
1636# define IV_MIN INT64_MIN
1637# define UV_MAX UINT64_MAX
cae7ae48
JH		 1638# ifndef UINT64_MIN
1639# define UINT64_MIN 0
1640# endif
5ff3f7a4
GS		 1641# define UV_MIN UINT64_MIN
1642# else
1643# define IV_MAX PERL_QUAD_MAX
1644# define IV_MIN PERL_QUAD_MIN
1645# define UV_MAX PERL_UQUAD_MAX
1646# define UV_MIN PERL_UQUAD_MIN
1647# endif
cf2093f6
JH		 1648# define IV_IS_QUAD
1649# define UV_IS_QUAD
79072805 1650#else
8175356b 1651# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1652# define IV_MAX INT32_MAX
1653# define IV_MIN INT32_MIN
716026f9
DL		 1654# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1655# define UV_MAX UINT32_MAX
1656# else
1657# define UV_MAX 4294967295U
1658# endif
cae7ae48
JH		 1659# ifndef UINT32_MIN
1660# define UINT32_MIN 0
1661# endif
5ff3f7a4
GS		 1662# define UV_MIN UINT32_MIN
1663# else
1664# define IV_MAX PERL_LONG_MAX
1665# define IV_MIN PERL_LONG_MIN
1666# define UV_MAX PERL_ULONG_MAX
1667# define UV_MIN PERL_ULONG_MIN
1668# endif
8175356b 1669# if IVSIZE == 8
cf2093f6
JH		 1670# define IV_IS_QUAD
1671# define UV_IS_QUAD
de1c2614
JH		 1672# ifndef HAS_QUAD
1673# define HAS_QUAD
1674# endif
cf2093f6
JH		 1675# else
1676# undef IV_IS_QUAD
1677# undef UV_IS_QUAD
de1c2614 1678# undef HAS_QUAD
cf2093f6 1679# endif
79072805 1680#endif
d7d93a81 1681
1109a392
MHM		 1682#ifndef HAS_QUAD
1683# undef PERL_NEED_MY_HTOLE64
1684# undef PERL_NEED_MY_LETOH64
1685# undef PERL_NEED_MY_HTOBE64
1686# undef PERL_NEED_MY_BETOH64
1687#endif
1688
6cde8aec 1689#if defined(uts) || defined(UTS)
11afe549
HM		 1690# undef UV_MAX
1691# define UV_MAX (4294967295u)
20601011
JH		 1692#endif
1693
cae7ae48 1694#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1695#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1696
28e5dec8 1697#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1698#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1699#endif
1700
d460ef45 1701/*
26bb67e2
JH		 1702 * The macros INT2PTR and NUM2PTR are (despite their names)
1703 * bi-directional: they will convert int/float to or from pointers.
1704 * However the conversion to int/float are named explicitly:
1705 * PTR2IV, PTR2UV, PTR2NV.
1706 *
1707 * For int conversions we do not need two casts if pointers are
1708 * the same size as IV and UV. Otherwise we need an explicit
1709 * cast (PTRV) to avoid compiler warnings.
1710 */
56431972
RB		 1711#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1712# define PTRV UV
1713# define INT2PTR(any,d) (any)(d)
1714#else
d460ef45 1715# if PTRSIZE == LONGSIZE
56431972 1716# define PTRV unsigned long
e91e3b10 1717# define PTR2ul(p) (unsigned long)(p)
42718184 1718# else
56431972 1719# define PTRV unsigned
42718184 1720# endif
e91e3b10
RB		 1721#endif
1722
1723#ifndef INT2PTR
56431972 1724# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1725#endif
e91e3b10
RB		 1726
1727#ifndef PTR2ul
1728# define PTR2ul(p) INT2PTR(unsigned long,p)
1729#endif
1730
56431972
RB		 1731#define NUM2PTR(any,d) (any)(PTRV)(d)
1732#define PTR2IV(p) INT2PTR(IV,p)
1733#define PTR2UV(p) INT2PTR(UV,p)
1734#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1735#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1736
8141890a
JH		 1737/* According to strict ANSI C89 one cannot freely cast between
1738 * data pointers and function (code) pointers. There are at least
1739 * two ways around this. One (used below) is to do two casts,
1740 * first the other pointer to an (unsigned) integer, and then
1741 * the integer to the other pointer. The other way would be
1742 * to use unions to "overlay" the pointers. For an example of
1743 * the latter technique, see union dirpu in struct xpvio in sv.h.
1744 * The only feasible use is probably temporarily storing
1745 * function pointers in a data pointer (such as a void pointer). */
1746
e91e3b10
RB		 1747#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1748#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1749
65202027 1750#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1751# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1752# define LONG_DOUBLE_EQUALS_DOUBLE
1753# endif
68d4903c 1754# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1755# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1756# endif
1757#endif
1758
2d4389e4
JH		 1759#ifdef OVR_DBL_DIG
1760/* Use an overridden DBL_DIG */
1761# ifdef DBL_DIG
1762# undef DBL_DIG
1763# endif
1764# define DBL_DIG OVR_DBL_DIG
1765#else
1766/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1767 default value for printing floating point numbers in Gconvert
1768 (see config.h). (It also has other uses, such as figuring out if
1769 a given precision of printing can be done with a double instead of
1770 a long double - Allen).
2d4389e4
JH		 1771*/
1772#ifdef I_LIMITS
1773#include <limits.h>
1774#endif
1775#ifdef I_FLOAT
1776#include <float.h>
1777#endif
1778#ifndef HAS_DBL_DIG
1779#define DBL_DIG 15 /* A guess that works lots of places */
1780#endif
1781#endif
1782
1783#ifdef OVR_LDBL_DIG
1784/* Use an overridden LDBL_DIG */
1785# ifdef LDBL_DIG
1786# undef LDBL_DIG
1787# endif
1788# define LDBL_DIG OVR_LDBL_DIG
1789#else
1790/* The following is all to get LDBL_DIG, in order to pick a nice
1791 default value for printing floating point numbers in Gconvert.
1792 (see config.h)
1793*/
68d4903c
JH		 1794# ifdef I_LIMITS
1795# include <limits.h>
1796# endif
1797# ifdef I_FLOAT
1798# include <float.h>
1799# endif
1800# ifndef HAS_LDBL_DIG
1801# if LONG_DOUBLESIZE == 10
1802# define LDBL_DIG 18 /* assume IEEE */
1803# else
1804# if LONG_DOUBLESIZE == 12
1805# define LDBL_DIG 18 /* gcc? */
1806# else
1807# if LONG_DOUBLESIZE == 16
1808# define LDBL_DIG 33 /* assume IEEE */
1809# else
1810# if LONG_DOUBLESIZE == DOUBLESIZE
1811# define LDBL_DIG DBL_DIG /* bummer */
1812# endif
1813# endif
1814# endif
1815# endif
1816# endif
2d4389e4
JH		 1817#endif
1818
20f6aaab
AS		 1819/*
1820 * This is for making sure we have a good DBL_MAX value, if possible,
1821 * either for usage as NV_MAX or for usage in figuring out if we can
1822 * fit a given long double into a double, if bug-fixing makes it
1823 * necessary to do so. - Allen <allens@cpan.org>
1824 */
1825
205f51d8
AS		 1826#ifdef I_LIMITS
1827# include <limits.h>
20f6aaab
AS		 1828#endif
1829
205f51d8
AS		 1830#ifdef I_VALUES
1831# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1832# include <values.h>
1833# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1834# define DBL_MAX MAXDOUBLE
1835# endif
1836# if defined(MINDOUBLE) && !defined(DBL_MIN)
1837# define DBL_MIN MINDOUBLE
1838# endif
1839# endif
1840#endif /* defined(I_VALUES) */
1841
a22e52b9 1842typedef NVTYPE NV;
8175356b 1843
792d8dab
JH		 1844#ifdef I_IEEEFP
1845# include <ieeefp.h>
1846#endif
923fc586 1847
65202027 1848#ifdef USE_LONG_DOUBLE
923fc586
JH		 1849# ifdef I_SUNMATH
1850# include <sunmath.h>
1851# endif
2d4389e4 1852# define NV_DIG LDBL_DIG
d6c14000
JH		 1853# ifdef LDBL_MANT_DIG
1854# define NV_MANT_DIG LDBL_MANT_DIG
1855# endif
06fc1729
JH		 1856# ifdef LDBL_MIN
1857# define NV_MIN LDBL_MIN
1858# endif
1859# ifdef LDBL_MAX
1860# define NV_MAX LDBL_MAX
1861# endif
1862# ifdef LDBL_MIN_10_EXP
1863# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1864# endif
1865# ifdef LDBL_MAX_10_EXP
1866# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1867# endif
1868# ifdef LDBL_EPSILON
1869# define NV_EPSILON LDBL_EPSILON
1870# endif
f4a14a62
JH		 1871# ifdef LDBL_MAX
1872# define NV_MAX LDBL_MAX
20f6aaab 1873/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1874# else
1875# ifdef HUGE_VALL
1876# define NV_MAX HUGE_VALL
1877# else
1878# ifdef HUGE_VAL
1879# define NV_MAX ((NV)HUGE_VAL)
1880# endif
1881# endif
1882# endif
68d4903c 1883# ifdef HAS_SQRTL
68d4903c
JH		 1884# define Perl_cos cosl
1885# define Perl_sin sinl
1886# define Perl_sqrt sqrtl
1887# define Perl_exp expl
1888# define Perl_log logl
1889# define Perl_atan2 atan2l
1890# define Perl_pow powl
1891# define Perl_floor floorl
1bbae031 1892# define Perl_ceil ceill
68d4903c
JH		 1893# define Perl_fmod fmodl
1894# endif
a3540c92
JH		 1895/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1896# ifdef HAS_MODFL
1897# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1898/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1899 prototype in <math.h> */
1900# ifndef HAS_MODFL_PROTO
a221a8a5 1901EXTERN_C long double modfl(long double, long double *);
51997bc3 1902# endif
03476e8e
JH		 1903# else
1904# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1905 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1906# define Perl_modf(x,y) Perl_my_modfl(x,y)
1907# endif
a3540c92
JH		 1908# endif
1909# ifdef HAS_FREXPL
dff3e0b8 1910# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1911# else
1912# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1913 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1914# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1915# endif
a3540c92 1916# endif
38dbb4c5 1917# ifndef Perl_isnan
758a5d79
JH		 1918# ifdef HAS_ISNANL
1919# define Perl_isnan(x) isnanl(x)
1920# endif
1921# endif
1922# ifndef Perl_isinf
1923# ifdef HAS_FINITEL
1924# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1925# endif
1926# endif
65202027 1927#else
2d4389e4 1928# define NV_DIG DBL_DIG
d6c14000
JH		 1929# ifdef DBL_MANT_DIG
1930# define NV_MANT_DIG DBL_MANT_DIG
1931# endif
06fc1729
JH		 1932# ifdef DBL_MIN
1933# define NV_MIN DBL_MIN
1934# endif
1935# ifdef DBL_MAX
1936# define NV_MAX DBL_MAX
1937# endif
1938# ifdef DBL_MIN_10_EXP
1939# define NV_MIN_10_EXP DBL_MIN_10_EXP
1940# endif
1941# ifdef DBL_MAX_10_EXP
1942# define NV_MAX_10_EXP DBL_MAX_10_EXP
1943# endif
1944# ifdef DBL_EPSILON
1945# define NV_EPSILON DBL_EPSILON
1946# endif
205f51d8 1947# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1948# define NV_MAX DBL_MAX
1949# define NV_MIN DBL_MIN
1950# else
1951# ifdef HUGE_VAL
1952# define NV_MAX HUGE_VAL
1953# endif
1954# endif
65202027
DS		 1955# define Perl_cos cos
1956# define Perl_sin sin
1957# define Perl_sqrt sqrt
1958# define Perl_exp exp
1959# define Perl_log log
1960# define Perl_atan2 atan2
1961# define Perl_pow pow
1962# define Perl_floor floor
1bbae031 1963# define Perl_ceil ceil
65202027 1964# define Perl_fmod fmod
a3540c92 1965# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1966# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1967#endif
1968
1969/* rumor has it that Win32 has _fpclass() */
1970
205f51d8
AS		 1971/* SGI has fpclassl... but not with the same result values,
1972 * and it's via a typedef (not via #define), so will need to redo Configure
1973 * to use. Not worth the trouble, IMO, at least until the below is used
1974 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1975 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1976 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1977
758a5d79
JH		 1978#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1979# ifdef I_IEEFP
1980# include <ieeefp.h>
1981# endif
1982# ifdef I_FP
1983# include <fp.h>
1984# endif
1985# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1986# define Perl_fp_class() fpclassl(x)
1987# else
1988# define Perl_fp_class() fpclass(x)
1989# endif
1990# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1991# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1992# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1993# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1994# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1995# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1996# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1997# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1998# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1999# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2000# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2001# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2002# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2003# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2004# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2005#endif
2006
7114a2d2 2007#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2008# include <math.h>
2009# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2010# include <fp_class.h>
2011# endif
2012# define Perl_fp_class(x) fp_class(x)
2013# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2014# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2015# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2016# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2017# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2018# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2019# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2020# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2021# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2022# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2023# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2024# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2025# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2026# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2027# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2028#endif
2029
2030#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2031# include <math.h>
2032# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2033# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2034# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2035# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2036# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2037# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2038#endif
2039
2040#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2041# include <math.h>
2042# ifndef _cplusplus
2043# define Perl_fp_class(x) class(x)
2044# else
2045# define Perl_fp_class(x) _class(x)
2046# endif
2047# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2048# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2049# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2050# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2051# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2052# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2053# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2054# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2055# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2056# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2057# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2058# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2059# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2060# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2061# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2062#endif
2063
2064/* rumor has it that Win32 has _isnan() */
2065
2066#ifndef Perl_isnan
a3540c92 2067# ifdef HAS_ISNAN
758a5d79
JH		 2068# define Perl_isnan(x) isnan((NV)x)
2069# else
2070# ifdef Perl_fp_class_nan
2071# define Perl_isnan(x) Perl_fp_class_nan(x)
2072# else
2073# ifdef HAS_UNORDERED
2074# define Perl_isnan(x) unordered((x), 0.0)
2075# else
2076# define Perl_isnan(x) ((x)!=(x))
2077# endif
2078# endif
2079# endif
2080#endif
2081
ca6c63e1
JH		 2082#ifdef UNDER_CE
2083int isnan(double d);
2084#endif
2085
758a5d79
JH		 2086#ifndef Perl_isinf
2087# ifdef HAS_ISINF
2088# define Perl_isinf(x) isinf((NV)x)
a3540c92 2089# else
758a5d79
JH		 2090# ifdef Perl_fp_class_inf
2091# define Perl_isinf(x) Perl_fp_class_inf(x)
2092# else
2093# define Perl_isinf(x) ((x)==NV_INF)
2094# endif
2095# endif
2096#endif
2097
2098#ifndef Perl_isfinite
2099# ifdef HAS_FINITE
2100# define Perl_isfinite(x) finite((NV)x)
2101# else
2102# ifdef HAS_ISFINITE
2103# define Perl_isfinite(x) isfinite(x)
2104# else
2105# ifdef Perl_fp_class_finite
2106# define Perl_isfinite(x) Perl_fp_class_finite(x)
2107# else
2108# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2109# endif
2110# endif
a3540c92 2111# endif
65202027
DS		 2112#endif
2113
a36244b7
JH		 2114/* The default is to use Perl's own atof() implementation (in numeric.c).
2115 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2116 * it is however best to use the native implementation of atof.
2117 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2118 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2119 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2120 * you may need to be using a different function than atof! */
a36244b7
JH		 2121
2122#ifndef USE_PERL_ATOF
2123# ifndef _UNICOS
2124# define USE_PERL_ATOF
2125# endif
2126#else
2127# if USE_PERL_ATOF == 0
2128# undef USE_PERL_ATOF
2129# endif
2130#endif
2131
2132#ifdef USE_PERL_ATOF
2133# define Perl_atof(s) Perl_my_atof(s)
2134# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2135#else
2136# define Perl_atof(s) (NV)atof(s)
2137# define Perl_atof2(s, n) ((n) = atof(s))
2138#endif
cf2093f6 2139
d460ef45 2140/* Previously these definitions used hardcoded figures.
760ac839
LW		 2141 * It is hoped these formula are more portable, although
2142 * no data one way or another is presently known to me.
2143 * The "PERL_" names are used because these calculated constants
2144 * do not meet the ANSI requirements for LONG_MAX, etc., which
2145 * need to be constants acceptable to #if - kja
2146 * define PERL_LONG_MAX 2147483647L
2147 * define PERL_LONG_MIN (-LONG_MAX - 1)
2148 * define PERL ULONG_MAX 4294967295L
2149 */
2150
2151#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2152# include <limits.h>
760ac839 2153#endif
205f51d8
AS		 2154/* Included values.h above if necessary; still including limits.h down here,
2155 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2156
99abf803 2157/*
2158 * Try to figure out max and min values for the integral types. THE CORRECT
2159 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2160 * following hacks are used if neither limits.h or values.h provide them:
2161 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2162 * for types < int: (unsigned TYPE)~(unsigned)0
2163 * The argument to ~ must be unsigned so that later signed->unsigned
2164 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2165 * and it must not be smaller than int because ~ does integral promotion.
2166 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2167 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2168 * The latter is a hack which happens to work on some machines but
2169 * does *not* catch any random system, or things like integer types
2170 * with NaN if that is possible.
2171 *
2172 * All of the types are explicitly cast to prevent accidental loss of
2173 * numeric range, and in the hope that they will be less likely to confuse
2174 * over-eager optimizers.
2175 *
2176 */
27d4fb96 2177
99abf803 2178#define PERL_UCHAR_MIN ((unsigned char)0)
2179
2180#ifdef UCHAR_MAX
2181# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2182#else
99abf803 2183# ifdef MAXUCHAR
2184# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2185# else
99abf803 2186# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2187# endif
2188#endif
d460ef45 2189
99abf803 2190/*
2191 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2192 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2193 * depending on local options. Until Configure detects this (or at least
2194 * detects whether the "signed" keyword is available) the CHAR ranges
2195 * will not be included. UCHAR functions normally.
2196 * - kja
2197 */
27d4fb96 2198
99abf803 2199#define PERL_USHORT_MIN ((unsigned short)0)
2200
2201#ifdef USHORT_MAX
2202# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2203#else
99abf803 2204# ifdef MAXUSHORT
2205# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2206# else
ef2f54b0
CB		 2207# ifdef USHRT_MAX
2208# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2209# else
2210# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2211# endif
27d4fb96 2212# endif
2213#endif
2214
27d4fb96 2215#ifdef SHORT_MAX
99abf803 2216# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2217#else
2218# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2219# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2220# else
ef2f54b0
CB		 2221# ifdef SHRT_MAX
2222# define PERL_SHORT_MAX ((short)SHRT_MAX)
2223# else
2224# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2225# endif
27d4fb96 2226# endif
2227#endif
2228
2229#ifdef SHORT_MIN
99abf803 2230# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2231#else
2232# ifdef MINSHORT
99abf803 2233# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2234# else
ef2f54b0
CB		 2235# ifdef SHRT_MIN
2236# define PERL_SHORT_MIN ((short)SHRT_MIN)
2237# else
2238# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2239# endif
27d4fb96 2240# endif
2241#endif
2242
99abf803 2243#ifdef UINT_MAX
2244# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2245#else
99abf803 2246# ifdef MAXUINT
2247# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2248# else
99abf803 2249# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2250# endif
2251#endif
2252
99abf803 2253#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2254
2255#ifdef INT_MAX
99abf803 2256# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2257#else
2258# ifdef MAXINT /* Often used in <values.h> */
99abf803 2259# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2260# else
99abf803 2261# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2262# endif
2263#endif
2264
2265#ifdef INT_MIN
99abf803 2266# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2267#else
2268# ifdef MININT
99abf803 2269# define PERL_INT_MIN ((int)MININT)
27d4fb96 2270# else
2271# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2272# endif
2273#endif
2274
99abf803 2275#ifdef ULONG_MAX
2276# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2277#else
99abf803 2278# ifdef MAXULONG
2279# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2280# else
99abf803 2281# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2282# endif
2283#endif
2284
99abf803 2285#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2286
760ac839 2287#ifdef LONG_MAX
99abf803 2288# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2289#else
2290# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2291# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2292# else
99abf803 2293# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2294# endif
2295#endif
2296
2297#ifdef LONG_MIN
99abf803 2298# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2299#else
2300# ifdef MINLONG
99abf803 2301# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2302# else
27d4fb96 2303# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2304# endif
2305#endif
2306
d7d93a81 2307#ifdef UV_IS_QUAD
99abf803 2308
99abf803 2309# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2310# define PERL_UQUAD_MIN ((UV)0)
99abf803 2311# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2312# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2313
79072805
LW		 2314#endif
2315
22f7c9c9
JH		 2316#ifdef MYMALLOC
2317# include "malloc_ctl.h"
2318#endif
2319
830247a4 2320struct RExC_state_t;
8e11feef 2321struct _reg_trie_data;
880b20b6 2322
ee0007ab 2323typedef MEM_SIZE STRLEN;
450a55e4 2324
598921a7
NC		 2325#ifdef PERL_MAD
2326typedef struct token TOKEN;
2327typedef struct madprop MADPROP;
2328typedef struct nexttoken NEXTTOKE;
2329#endif
79072805
LW		 2330typedef struct op OP;
2331typedef struct cop COP;
2332typedef struct unop UNOP;
2333typedef struct binop BINOP;
2334typedef struct listop LISTOP;
2335typedef struct logop LOGOP;
79072805
LW		 2336typedef struct pmop PMOP;
2337typedef struct svop SVOP;
7934575e 2338typedef struct padop PADOP;
79072805 2339typedef struct pvop PVOP;
79072805
LW		 2340typedef struct loop LOOP;
2341
cd1541b2
NC		 2342typedef struct interpreter PerlInterpreter;
2343
d2b3f365
SS		 2344/* Amdahl's <ksync.h> has struct sv */
2345/* SGI's <sys/sema.h> has struct sv */
2346#if defined(UTS) || defined(__sgi)
2347# define STRUCT_SV perl_sv
b8d3c5db
JH		 2348#else
2349# define STRUCT_SV sv
2350#endif
2351typedef struct STRUCT_SV SV;
79072805
LW		 2352typedef struct av AV;
2353typedef struct hv HV;
2354typedef struct cv CV;
288b8c02 2355typedef struct regexp ORANGE; /* This is the body structure. */
d2f13c59 2356typedef struct p5rx REGEXP;
79072805 2357typedef struct gp GP;
0c30d9ec 2358typedef struct gv GV;
8990e307 2359typedef struct io IO;
c09156bb 2360typedef struct context PERL_CONTEXT;
79072805
LW		 2361typedef struct block BLOCK;
2362
2363typedef struct magic MAGIC;
2364typedef struct xpv XPV;
2365typedef struct xpviv XPVIV;
ff68c719 2366typedef struct xpvuv XPVUV;
79072805
LW		 2367typedef struct xpvnv XPVNV;
2368typedef struct xpvmg XPVMG;
2369typedef struct xpvlv XPVLV;
2370typedef struct xpvav XPVAV;
2371typedef struct xpvhv XPVHV;
2372typedef struct xpvgv XPVGV;
2373typedef struct xpvcv XPVCV;
2374typedef struct xpvbm XPVBM;
2375typedef struct xpvfm XPVFM;
8990e307 2376typedef struct xpvio XPVIO;
79072805
LW		 2377typedef struct mgvtbl MGVTBL;
2378typedef union any ANY;
5f7fde29
GS		 2379typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2380typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2381typedef struct clone_params CLONE_PARAMS;
2382
378cc40b 2383#include "handy.h"
a0d0e21e 2384
6b8eaf93 2385#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2386# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2387# define USE_64_BIT_RAWIO /* implicit */
2388# endif
4564133c
JH		 2389#endif
2390
6b8eaf93
JH		 2391/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2392 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2393 * however, because operating systems like to do that themself. */
2394#ifndef FSEEKSIZE
2395# ifdef HAS_FSEEKO
2396# define FSEEKSIZE LSEEKSIZE
2397# else
2398# define FSEEKSIZE LONGSIZE
d460ef45 2399# endif
6b8eaf93
JH		 2400#endif
2401
2402#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2403# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2404# define USE_64_BIT_STDIO /* implicit */
2405# endif
2406#endif
4564133c 2407
09458382 2408#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2409# ifdef HAS_OFF64_T
2410# undef Off_t
2411# define Off_t off64_t
2412# undef LSEEKSIZE
2413# define LSEEKSIZE 8
5ff3f7a4 2414# endif
d9b3e12d
JH		 2415/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2416 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2417 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2418# if defined(USE_OPEN64)
2419# define open open64
5ff3f7a4 2420# endif
d9b3e12d
JH		 2421# if defined(USE_LSEEK64)
2422# define lseek lseek64
6b8eaf93
JH		 2423# else
2424# if defined(USE_LLSEEK)
2425# define lseek llseek
2426# endif
d9b3e12d
JH		 2427# endif
2428# if defined(USE_STAT64)
2429# define stat stat64
2430# endif
2431# if defined(USE_FSTAT64)
2432# define fstat fstat64
2433# endif
2434# if defined(USE_LSTAT64)
2435# define lstat lstat64
2436# endif
2437# if defined(USE_FLOCK64)
2438# define flock flock64
2439# endif
2440# if defined(USE_LOCKF64)
2441# define lockf lockf64
2442# endif
2443# if defined(USE_FCNTL64)
2444# define fcntl fcntl64
2445# endif
2446# if defined(USE_TRUNCATE64)
2447# define truncate truncate64
2448# endif
2449# if defined(USE_FTRUNCATE64)
2450# define ftruncate ftruncate64
2451# endif
2452#endif
2453
2454#ifdef USE_64_BIT_STDIO
2455# ifdef HAS_FPOS64_T
2456# undef Fpos_t
2457# define Fpos_t fpos64_t
2458# endif
2459/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2460 * will trigger defines like the ones below. Some 64-bit environments,
2461 * however, do not. */
2462# if defined(USE_FOPEN64)
2463# define fopen fopen64
2464# endif
2465# if defined(USE_FSEEK64)
6b8eaf93 2466# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2467# endif
2468# if defined(USE_FTELL64)
6b8eaf93 2469# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2470# endif
2471# if defined(USE_FSETPOS64)
2472# define fsetpos fsetpos64
2473# endif
2474# if defined(USE_FGETPOS64)
2475# define fgetpos fgetpos64
2476# endif
2477# if defined(USE_TMPFILE64)
2478# define tmpfile tmpfile64
2479# endif
2480# if defined(USE_FREOPEN64)
2481# define freopen freopen64
5ff3f7a4
GS		 2482# endif
2483#endif
2484
af8b425d 2485#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2486# include "iperlsys.h"
2487#endif
2488
6f71a643 2489#if defined(__OPEN_VM)
19848b3f
JH		 2490# include "vmesa/vmesaish.h"
2491# define ISHISH "vmesa"
6f71a643
JH		 2492#endif
2493
748a9306 2494#ifdef DOSISH
19848b3f
JH		 2495# if defined(OS2)
2496# include "os2ish.h"
2497# else
2498# include "dosish.h"
2499# endif
2500# define ISHISH "dos"
2501#endif
2502
2503#if defined(VMS)
748a9306 2504# include "vmsish.h"
96e176bf 2505# include "embed.h"
eb8433b7
NC		 2506# ifndef PERL_MAD
2507# undef op_getmad
b3f24c00 2508# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2509# endif
19848b3f
JH		 2510# define ISHISH "vms"
2511#endif
2512
2513#if defined(PLAN9)
2514# include "./plan9/plan9ish.h"
2515# define ISHISH "plan9"
2516#endif
2517
2518#if defined(MPE)
2519# include "mpeix/mpeixish.h"
2520# define ISHISH "mpeix"
2521#endif
2522
2523#if defined(__VOS__)
196918b0
PG		 2524# ifdef __GNUC__
2525# include "./vos/vosish.h"
2526# else
2527# include "vos/vosish.h"
2528# endif
19848b3f
JH		 2529# define ISHISH "vos"
2530#endif
2531
2532#if defined(EPOC)
2533# include "epocish.h"
2534# define ISHISH "epoc"
2535#endif
2536
9969cdde 2537#ifdef __SYMBIAN32__
27da23d5
JH		 2538# include "symbian/symbianish.h"
2539# include "embed.h"
eb8433b7
NC		 2540# ifndef PERL_MAD
2541# undef op_getmad
b3f24c00 2542# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2543# endif
27da23d5
JH		 2544# define ISHISH "symbian"
2545#endif
2546
19848b3f
JH		 2547#if defined(MACOS_TRADITIONAL)
2548# include "macos/macish.h"
2549# ifndef NO_ENVIRON_ARRAY
2550# define NO_ENVIRON_ARRAY
0c30d9ec 2551# endif
19848b3f
JH		 2552# define ISHISH "macos classic"
2553#endif
2554
efca5cc6
JH		 2555#if defined(__BEOS__)
2556# include "beos/beosish.h"
2557# define ISHISH "beos"
2558#endif
2559
19848b3f
JH		 2560#ifndef ISHISH
2561# include "unixish.h"
2562# define ISHISH "unix"
13b6e58c
JH		 2563#endif
2564
2946a158
JH		 2565/* NSIG logic from Configure --> */
2566/* Strange style to avoid deeply-nested #if/#else/#endif */
2567#ifndef NSIG
2568# ifdef _NSIG
2569# define NSIG (_NSIG)
2570# endif
2571#endif
2572
2573#ifndef NSIG
2574# ifdef SIGMAX
2575# define NSIG (SIGMAX+1)
2576# endif
2577#endif
2578
2579#ifndef NSIG
2580# ifdef SIG_MAX
2581# define NSIG (SIG_MAX+1)
2582# endif
2583#endif
2584
2585#ifndef NSIG
2586# ifdef _SIG_MAX
2587# define NSIG (_SIG_MAX+1)
2588# endif
2589#endif
2590
2591#ifndef NSIG
2592# ifdef MAXSIG
2593# define NSIG (MAXSIG+1)
2594# endif
2595#endif
2596
2597#ifndef NSIG
2598# ifdef MAX_SIG
2599# define NSIG (MAX_SIG+1)
2600# endif
2601#endif
2602
2603#ifndef NSIG
2604# ifdef SIGARRAYSIZE
2605# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2606# endif
2607#endif
2608
2609#ifndef NSIG
2610# ifdef _sys_nsig
2611# define NSIG (_sys_nsig) /* Solaris 2.5 */
2612# endif
2613#endif
2614
2615/* Default to some arbitrary number that's big enough to get most
2616 of the common signals.
2617*/
2618#ifndef NSIG
2619# define NSIG 50
2620#endif
2621/* <-- NSIG logic from Configure */
2622
13b6e58c
JH		 2623#ifndef NO_ENVIRON_ARRAY
2624# define USE_ENVIRON_ARRAY
2625#endif
32f822de 2626
c77b533b
JH		 2627/*
2628 * initialise to avoid floating-point exceptions from overflow, etc
2629 */
2630#ifndef PERL_FPU_INIT
2631# ifdef HAS_FPSETMASK
2632# if HAS_FLOATINGPOINT_H
2633# include <floatingpoint.h>
2634# endif
7f7c3354 2635# define PERL_FPU_INIT fpsetmask(0)
c77b533b 2636# else
2f42fcb0 2637# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2638# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2639# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2640# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2641# else
2642# define PERL_FPU_INIT
2f42fcb0 2643
7014c407 2644# endif
c77b533b
JH		 2645# endif
2646#endif
b35112e7
CS		 2647#ifndef PERL_FPU_PRE_EXEC
2648# define PERL_FPU_PRE_EXEC {
2649# define PERL_FPU_POST_EXEC }
2650#endif
c77b533b 2651
cbec8ebe
DM		 2652#ifndef PERL_SYS_INIT3_BODY
2653# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2654#endif
2655
cbec8ebe
DM		 2656#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2657#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2658#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2659
be708cc0
JH		 2660#ifndef PERL_WRITE_MSG_TO_CONSOLE
2661# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2662#endif
2663
0f31cffe
GS		 2664#ifndef MAXPATHLEN
2665# ifdef PATH_MAX
b990c8b2
JH		 2666# ifdef _POSIX_PATH_MAX
2667# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2668/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2669 * included the null byte or not. Later amendments of POSIX,
2670 * XPG4, the Austin Group, and the Single UNIX Specification
2671 * all explicitly include the null byte in the PATH_MAX.
2672 * Ditto for _POSIX_PATH_MAX. */
2673# define MAXPATHLEN PATH_MAX
b990c8b2 2674# else
09448d78 2675# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2676# endif
2677# else
2678# define MAXPATHLEN (PATH_MAX+1)
2679# endif
0f31cffe 2680# else
b990c8b2 2681# ifdef _POSIX_PATH_MAX
09448d78 2682# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2683# else
2684# define MAXPATHLEN 1024 /* Err on the large side. */
2685# endif
0f31cffe
GS		 2686# endif
2687#endif
2688
c80263a8
SH		 2689/* In case Configure was not used (we are using a "canned config"
2690 * such as Win32, or a cross-compilation setup, for example) try going
2691 * by the gcc major and minor versions. One useful URL is
2692 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2693 * but contrary to this information warn_unused_result seems
2694 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2695 * Also, when building extensions with an installed perl, this allows
2696 * the user to upgrade gcc and get the right attributes, rather than
2697 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2698 * Set these up now otherwise we get confused when some of the <*thread.h>
2699 * includes below indirectly pull in <perlio.h> (which needs to know if we
2700 * have HASATTRIBUTE_FORMAT).
2701 */
2702
4d7c7898 2703#ifndef PERL_MICRO
fc2007d4 2704#if defined __GNUC__ && !defined(__INTEL_COMPILER)
c80263a8
SH		 2705# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2706# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2707# if defined __MINGW32__
2708# define PRINTF_FORMAT_NULL_OK
2709# endif
c80263a8
SH		 2710# endif
2711# if __GNUC__ >= 3 /* 3.0 -> */
2712# define HASATTRIBUTE_MALLOC
2713# endif
2714# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2715# define HASATTRIBUTE_NONNULL
2716# endif
2717# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2718# define HASATTRIBUTE_NORETURN
2719# endif
2720# if __GNUC__ >= 3 /* gcc 3.0 -> */
2721# define HASATTRIBUTE_PURE
2722# endif
42bf5550 2723# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2724# define HASATTRIBUTE_UNUSED
2725# endif
d324fe49
AD		 2726# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2727# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2728# endif
c80263a8
SH		 2729# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2730# define HASATTRIBUTE_WARN_UNUSED_RESULT
2731# endif
2732#endif
4d7c7898 2733#endif /* #ifndef PERL_MICRO */
c80263a8 2734
3db8f154 2735/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2736 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2737 * this results in many functions being undeclared which bothers C++
2738 * May make sense to have threads after "*ish.h" anyway
2739 */
2740
3db8f154 2741#if defined(USE_ITHREADS)
2986a63f
JH		 2742# ifdef NETWARE
2743# include <nw5thread.h>
2744# else
32f822de
GS		 2745# ifdef FAKE_THREADS
2746# include "fakethr.h"
2747# else
2748# ifdef WIN32
2749# include <win32thread.h>
2750# else
dd96f567
IZ		 2751# ifdef OS2
2752# include "os2thread.h"
2753# else
7f3d1cf1 2754# ifdef I_MACH_CTHREADS
bdd66968 2755# include <mach/cthreads.h>
8f1f23e8 2756# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2757# define MUTEX_INIT_CALLS_MALLOC
2758# endif
7f3d1cf1
BH		 2759typedef cthread_t perl_os_thread;
2760typedef mutex_t perl_mutex;
2761typedef condition_t perl_cond;
2762typedef void * perl_key;
2763# else /* Posix threads */
1f5ae88c
JH		 2764# ifdef I_PTHREAD
2765# include <pthread.h>
2766# endif
7f3d1cf1
BH		 2767typedef pthread_t perl_os_thread;
2768typedef pthread_mutex_t perl_mutex;
2769typedef pthread_cond_t perl_cond;
2770typedef pthread_key_t perl_key;
2771# endif /* I_MACH_CTHREADS */
dd96f567 2772# endif /* OS2 */
32f822de
GS		 2773# endif /* WIN32 */
2774# endif /* FAKE_THREADS */
2986a63f 2775#endif /* NETWARE */
3db8f154 2776#endif /* USE_ITHREADS */
c5be433b 2777
66a93824 2778#if defined(WIN32)
1feb2720 2779# include "win32.h"
c5be433b
GS		 2780#endif
2781
2986a63f
JH		 2782#ifdef NETWARE
2783# include "netware.h"
2784#endif
2785
e5218da5 2786#define STATUS_UNIX PL_statusvalue
68dc0745 2787#ifdef VMS
6b88bc9c 2788# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2789/*
2790 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2791 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2792 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2793 * be updated also.
2794 */
2795# include <stsdef.h>
2796# include <ssdef.h>
2797/* Presume this because if VMS changes it, it will require a new
2798 * set of APIs for waiting on children for binary compatibility.
2799 */
2800# define child_offset_bits (8)
2801# ifndef C_FAC_POSIX
2802# define C_FAC_POSIX 0x35A000
2803# endif
2804
2805/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2806 * platform from the existing UNIX or Native status values.
2807 */
2808
37038d91 2809# define STATUS_EXIT \
7a7fd8e0
JM		 2810 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2811 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2812
7a7fd8e0 2813
fb38d079
JM		 2814/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2815 * exit code and shifts the UNIX value over the correct number of bits to
2816 * be a child status. Usually the number of bits is 8, but that could be
2817 * platform dependent. The NATIVE status code is presumed to have either
2818 * from a child process.
7a7fd8e0
JM		 2819 */
2820
fb38d079
JM		 2821/* This is complicated. The child processes return a true native VMS
2822 status which must be saved. But there is an assumption in Perl that
2823 the UNIX child status has some relationship to errno values, so
2824 Perl tries to translate it to text in some of the tests.
2825 In order to get the string translation correct, for the error, errno
2826 must be EVMSERR, but that generates a different text message
2827 than what the test programs are expecting. So an errno value must
2828 be derived from the native status value when an error occurs.
2829 That will hide the true native status message. With this version of
2830 perl, the true native child status can always be retrieved so that
2831 is not a problem. But in this case, Pl_statusvalue and errno may
2832 have different values in them.
2833 */
7a7fd8e0 2834
fb38d079 2835# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2836 STMT_START { \
2fbb330f
JM		 2837 I32 evalue = (I32)n; \
2838 if (evalue == EVMSERR) { \
2839 PL_statusvalue_vms = vaxc$errno; \
2840 PL_statusvalue = evalue; \
7a7fd8e0 2841 } else { \
2fbb330f 2842 PL_statusvalue_vms = evalue; \
fb38d079 2843 if (evalue == -1) { \
3280af22 2844 PL_statusvalue = -1; \
7a7fd8e0
JM		 2845 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2846 } else \
fb38d079 2847 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2848 set_vaxc_errno(evalue); \
fb38d079
JM		 2849 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2850 set_errno(EVMSERR); \
2851 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2852 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2853 } \
68dc0745 2854 } STMT_END
7a7fd8e0 2855
68dc0745 2856# ifdef VMSISH_STATUS
e5218da5 2857# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2858# else
e5218da5 2859# define STATUS_CURRENT STATUS_UNIX
68dc0745 2860# endif
7a7fd8e0
JM		 2861
2862 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2863 * the NATIVE status to an equivalent value. Can not be used to translate
2864 * exit code values as exit code values are not guaranteed to have any
2865 * relationship at all to errno values.
2866 * This is used when Perl is forcing errno to have a specific value.
2867 */
e5218da5 2868# define STATUS_UNIX_SET(n) \
68dc0745 2869 STMT_START { \
7a7fd8e0 2870 I32 evalue = (I32)n; \
0968cdad 2871 PL_statusvalue = evalue; \
3280af22 2872 if (PL_statusvalue != -1) { \
0968cdad
JM		 2873 if (PL_statusvalue != EVMSERR) { \
2874 PL_statusvalue &= 0xFFFF; \
2875 if (MY_POSIX_EXIT) \
2876 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2877 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2878 } \
2879 else { \
2880 PL_statusvalue_vms = vaxc$errno; \
2881 } \
68dc0745 2882 } \
0968cdad
JM		 2883 else PL_statusvalue_vms = SS$_ABORT; \
2884 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2885 } STMT_END
2886
2887 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2888 * the NATIVE error status based on it. It does not assume that
fb38d079
JM		 2889 * the UNIX/POSIX exit codes have any relationship to errno, except
2890 * that 0 indicates a success. When in the default mode to comply
6ac6a52b
JM		 2891 * with the Perl VMS documentation, any other code sets the NATIVE
2892 * status to a failure code of SS$_ABORT.
fb38d079
JM		 2893 *
2894 * In the new POSIX EXIT mode, native status will be set so that the
2895 * actual exit code will can be retrieved by the calling program or
2896 * shell.
2897 *
2898 * If the exit code is not clearly a UNIX parent or child exit status,
2899 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2900 */
2901
fb38d079 2902# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2903 STMT_START { \
2904 I32 evalue = (I32)n; \
2905 PL_statusvalue = evalue; \
fb38d079
JM		 2906 if (evalue != -1) { \
2907 if (evalue <= 0xFF00) { \
2908 if (evalue > 0xFF) \
2909 evalue = (evalue >> child_offset_bits) & 0xFF; \
2910 if (evalue == 0) \
2911 PL_statusvalue_vms == SS$_NORMAL; \
2912 else \
2913 if (MY_POSIX_EXIT) \
2914 PL_statusvalue_vms = \
2915 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2916 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
0968cdad 2917 else \
6ac6a52b 2918 PL_statusvalue_vms = SS$_ABORT; \
fb38d079
JM		 2919 } else { /* forgive them Perl, for they have sinned */ \
2920 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2921 else PL_statusvalue_vms = vaxc$errno; \
2922 /* And obviously used a VMS status value instead of UNIX */ \
2923 PL_statusvalue = EVMSERR; \
2924 } \
7a7fd8e0
JM		 2925 } \
2926 else PL_statusvalue_vms = SS$_ABORT; \
2927 set_vaxc_errno(PL_statusvalue_vms); \
68dc0745 2928 } STMT_END
fb38d079 2929
6ac6a52b
JM		 2930 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2931 * and sets the NATIVE error status based on it. This special case
2932 * is needed to maintain compatibility with past VMS behavior.
2933 *
2934 * In the default mode on VMS, this number is passed through as
2935 * both the NATIVE and UNIX status. Which makes it different
2936 * that the STATUS_UNIX_EXIT_SET.
2937 *
2938 * In the new POSIX EXIT mode, native status will be set so that the
2939 * actual exit code will can be retrieved by the calling program or
2940 * shell.
2941 *
2942 */
2943
2944# define STATUS_EXIT_SET(n) \
2945 STMT_START { \
2946 I32 evalue = (I32)n; \
2947 PL_statusvalue = evalue; \
2948 if (MY_POSIX_EXIT) \
2949 PL_statusvalue_vms = \
2950 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2951 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
6ac6a52b
JM		 2952 else \
2953 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2954 set_vaxc_errno(PL_statusvalue_vms); \
2955 } STMT_END
2956
fb38d079
JM		 2957
2958 /* This macro forces a success status */
7a7fd8e0
JM		 2959# define STATUS_ALL_SUCCESS \
2960 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 2961
2962 /* This macro forces a failure status */
7a7fd8e0
JM		 2963# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2964 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2965 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2966
68dc0745 2967#else
e5218da5 2968# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2969# if defined(WCOREDUMP)
37038d91 2970# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2971 STMT_START { \
2972 PL_statusvalue_posix = (n); \
2973 if (PL_statusvalue_posix == -1) \
2974 PL_statusvalue = -1; \
2975 else { \
2976 PL_statusvalue = \
2977 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2978 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2979 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2980 } \
2981 } STMT_END
2982# elif defined(WIFEXITED)
37038d91 2983# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2984 STMT_START { \
2985 PL_statusvalue_posix = (n); \
2986 if (PL_statusvalue_posix == -1) \
2987 PL_statusvalue = -1; \
2988 else { \
2989 PL_statusvalue = \
2990 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2991 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2992 } \
2993 } STMT_END
2994# else
37038d91 2995# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2996 STMT_START { \
2997 PL_statusvalue_posix = (n); \
2998 if (PL_statusvalue_posix == -1) \
2999 PL_statusvalue = -1; \
3000 else { \
3001 PL_statusvalue = \
3002 PL_statusvalue_posix & 0xFFFF; \
3003 } \
3004 } STMT_END
3005# endif
3006# define STATUS_UNIX_SET(n) \
68dc0745 3007 STMT_START { \
3280af22
NIS		 3008 PL_statusvalue = (n); \
3009 if (PL_statusvalue != -1) \
3010 PL_statusvalue &= 0xFFFF; \
68dc0745 3011 } STMT_END
7a7fd8e0 3012# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3013# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3014# define STATUS_CURRENT STATUS_UNIX
37038d91 3015# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3016# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3017# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3018#endif
3019
cc3604b1
GS		 3020/* flags in PL_exit_flags for nature of exit() */
3021#define PERL_EXIT_EXPECTED 0x01
31d77e54 3022#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3023
0b94c7bb 3024#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 3025# define MEMBER_TO_FPTR(name) name
3026#endif
3027
3028/* format to use for version numbers in file/directory names */
273cf8d1 3029/* XXX move to Configure? */
a7cb1f99 3030#ifndef PERL_FS_VER_FMT
273cf8d1 3031# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 3032#endif
3033
45bc9206 3034/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3035 * performance issue, so we allow people to disable it. Also, if
3036 * we are using stdio, there are broken implementations of fflush(NULL)
3037 * out there, Solaris being the most prominent.
45bc9206
GS		 3038 */
3039#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3040# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3041# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3042# else
3043# ifdef FFLUSH_ALL
3044# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3045# else
c5be433b 3046# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3047# endif
66fe083f 3048# endif
45bc9206
GS		 3049#endif
3050
7766f137
GS		 3051#ifndef PERL_WAIT_FOR_CHILDREN
3052# define PERL_WAIT_FOR_CHILDREN NOOP
3053#endif
3054
ba869deb 3055/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3056#ifndef PERL_SET_INTERP
3057# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3058#endif
3059
3060#ifndef PERL_GET_INTERP
3061# define PERL_GET_INTERP (PL_curinterp)
3062#endif
3063
54aff467 3064#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3065# ifdef MULTIPLICITY
ba869deb 3066# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3067# endif
ba869deb
GS		 3068# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3069#endif
3070
8896765a
RB		 3071/*
3072 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3073 All that is required is that the perl source does not
8896765a
RB		 3074 use "%-p" or "%-<number>p" or "%<number>p" formats.
3075 These formats will still work in perl code.
3076 See comments in sv.c for futher details.
3077
8896765a 3078 Robin Barker 2005-07-14
f46d31f2
RB		 3079
3080 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3081*/
8896765a
RB		 3082
3083#ifndef SVf_
63ce7bf0 3084# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3085#endif
3086
8896765a 3087#ifndef SVf
104abab4 3088# define SVf "-p"
d2560b70
RB		 3089#endif
3090
014ead4b 3091#ifndef SVf32
8896765a 3092# define SVf32 SVf_(32)
014ead4b
RB		 3093#endif
3094
3095#ifndef SVf256
8896765a
RB		 3096# define SVf256 SVf_(256)
3097#endif
3098
be2597df
MHM		 3099#define SVfARG(p) ((void*)(p))
3100
f46d31f2
RB		 3101#ifdef PERL_CORE
3102/* not used; but needed for backward compatibilty with XS code? - RMB */
3103# undef VDf
3104#else
3105# ifndef VDf
8896765a
RB		 3106# define VDf "vd"
3107# endif
014ead4b 3108#endif
170cd9e9
NC		 3109
3110#ifdef PERL_CORE
f5992bc4 3111/* not used; but needed for backward compatibilty with XS code? - RMB */
7776bb98
RB		 3112# undef UVf
3113#else
170cd9e9
NC		 3114# ifndef UVf
3115# define UVf UVuf
3116# endif
d2560b70
RB		 3117#endif
3118
0dbb1585
AL		 3119#ifdef HASATTRIBUTE_FORMAT
3120# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3121#endif
3122#ifdef HASATTRIBUTE_MALLOC
77785eea 3123# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3124#endif
0dbb1585 3125#ifdef HASATTRIBUTE_NONNULL
abb2c242 3126# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3127#endif
0dbb1585 3128#ifdef HASATTRIBUTE_NORETURN
abb2c242 3129# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3130#endif
0dbb1585 3131#ifdef HASATTRIBUTE_PURE
abb2c242 3132# define __attribute__pure__ __attribute__((pure))
f22be1b8 3133#endif
0dbb1585
AL		 3134#ifdef HASATTRIBUTE_UNUSED
3135# define __attribute__unused__ __attribute__((unused))
3136#endif
3137#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3138# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3139#endif
3140
0dbb1585
AL		 3141/* If we haven't defined the attributes yet, define them to blank. */
3142#ifndef __attribute__format__
3143# define __attribute__format__(x,y,z)
3144#endif
f22be1b8 3145#ifndef __attribute__malloc__
abb2c242 3146# define __attribute__malloc__
f22be1b8
JH		 3147#endif
3148#ifndef __attribute__nonnull__
abb2c242 3149# define __attribute__nonnull__(a)
f22be1b8
JH		 3150#endif
3151#ifndef __attribute__noreturn__
abb2c242 3152# define __attribute__noreturn__
f22be1b8
JH		 3153#endif
3154#ifndef __attribute__pure__
abb2c242 3155# define __attribute__pure__
f22be1b8 3156#endif
0dbb1585
AL		 3157#ifndef __attribute__unused__
3158# define __attribute__unused__
3159#endif
f22be1b8 3160#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3161# define __attribute__warn_unused_result__
3162#endif
3163
0dbb1585
AL		 3164/* For functions that are marked as __attribute__noreturn__, it's not
3165 appropriate to call return. In either case, include the lint directive.
3166 */
3167#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3168# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3169#else
b37c2d43 3170# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH		 3171#endif
3172
cdfeb707
RB		 3173/* Some OS warn on NULL format to printf */
3174#ifdef PRINTF_FORMAT_NULL_OK
3175# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3176#else
3177# define __attribute__format__null_ok__(x,y,z)
3178#endif
3179
635aebb7 3180#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3181# define EXPECT(expr,val) __builtin_expect(expr,val)
3182#else
3183# define EXPECT(expr,val) (expr)
3184#endif
3185#define LIKELY(cond) EXPECT(cond,1)
3186#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3187#ifdef HAS_BUILTIN_CHOOSE_EXPR
3188/* placeholder */
3189#endif
b37c2d43 3190
3fc1aec6 3191/* Some unistd.h's give a prototype for pause() even though
3192 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3193 below to be rejected by the compiler. Sigh.
3fc1aec6 3194*/
3195#ifdef HAS_PAUSE
3196#define Pause pause
3197#else
3198#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3199#endif
3200
3201#ifndef IOCPARM_LEN
3202# ifdef IOCPARM_MASK
61f1c44b 3203 /* on BSDish systems we're safe */
748a9306
LW		 3204# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3205# else
61f1c44b 3206# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3207 /* on Linux systems we're safe; except when we're not [perl #38223] */
3208# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3209# else
748a9306 3210 /* otherwise guess at what's safe */
61f1c44b
JVD		 3211# define IOCPARM_LEN(x) 256
3212# endif
748a9306 3213# endif
a0d0e21e
LW		 3214#endif
3215
1761cee5 3216#if defined(__CYGWIN__)
521e0776
GS		 3217/* USEMYBINMODE
3218 * This symbol, if defined, indicates that the program should
16fe6d59 3219 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3220 * that a file is in "binary" mode -- that is, that no translation
3221 * of bytes occurs on read or write operations.
3222 */
36894f0b 3223# define USEMYBINMODE /**/
77a40698 3224# include <io.h> /* for setmode() prototype */
16fe6d59 3225# define my_binmode(fp, iotype, mode) \
77a40698 3226 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3227#endif
3228
88d10794
JH		 3229#ifdef __CYGWIN__
3230void init_os_extras(void);
3231#endif
3232
cea2e8a9
GS		 3233#ifdef UNION_ANY_DEFINITION
3234UNION_ANY_DEFINITION;
3235#else
3236union any {
3237 void* any_ptr;
3238 I32 any_i32;
3239 IV any_iv;
3240 long any_long;
9febdf04 3241 bool any_bool;
c76ac1ee 3242 void (*any_dptr) (void*);
acfe0abc 3243 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3244};
3245#endif
3246
acfe0abc 3247typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3248
3249#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3250#define FILTER_DATA(idx) \
3251 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3252#define FILTER_ISREADER(idx) \
3253 (PL_parser && PL_parser->rsfp_filters \
3254 && idx >= AvFILLp(PL_parser->rsfp_filters))
3255#define PERL_FILTER_EXISTS(i) \
3256 (PL_parser && PL_parser->rsfp_filters \
3257 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3258
c5078cac
JH		 3259#if defined(_AIX) && !defined(_AIX43)
3260#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3261/* We cannot include <crypt.h> to get the struct crypt_data
3262 * because of setkey prototype problems when threading */
3263typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3264 /* From OSF, Not needed in AIX
3265 char C[28], D[28];
3266 */
3267 char E[48];
3268 char KS[16][48];
3269 char block[66];
3270 char iobuf[16];
3271} CRYPTD;
3272#endif /* threading */
3273#endif /* AIX */
3274
af8b425d 3275#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 3276# include "iperlsys.h"
3277#endif
504f80c1 3278
9c12f1e5
RGS		 3279#ifdef __LIBCATAMOUNT__
3280#undef HAS_PASSWD /* unixish.h but not unixish enough. */
3281#undef HAS_GROUP
3282#define FAKE_BIT_BUCKET
3283#endif
3284
d10dc2ae
JH		 3285/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3286 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3287 * defined by Configure, despite their names being similar to the
3288 * other defines like USE_ITHREADS. Configure in fact knows nothing
3289 * about the randomised hashes. Therefore to enable/disable the hash
3290 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3291#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3292# define USE_HASH_SEED
504f80c1
JH		 3293#endif
3294
598921a7
NC		 3295/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3296 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3297 * it's not really needed.
3298 */
3299#if defined(WIN32)
3300# define YYTOKENTYPE
3301#endif
3302#include "perly.h"
3303
3304#ifdef PERL_MAD
3305struct nexttoken {
3306 YYSTYPE next_val; /* value of next token, if any */
3307 I32 next_type; /* type of next token */
3308 MADPROP *next_mad; /* everything else about that token */
3309};
3310#endif
3311
79072805 3312#include "sv.h"
288b8c02 3313#include "regexp.h"
378cc40b 3314#include "util.h"
8d063cd8 3315#include "form.h"
79072805 3316#include "gv.h"
dd2155a4 3317#include "pad.h"
79072805 3318#include "cv.h"
abdd5c84 3319#include "opnames.h"
79072805 3320#include "op.h"
b3ca2e83 3321#include "hv.h"
79072805
LW		 3322#include "cop.h"
3323#include "av.h"
79072805
LW		 3324#include "mg.h"
3325#include "scope.h"
4438c4b7 3326#include "warnings.h"
a0ed51b3 3327#include "utf8.h"
8d063cd8 3328
20f4945e
MHM		 3329/* defined in sv.c, but also used in [ach]v.c */
3330#undef _XPV_ALLOCATED_HEAD
3331#undef _XPV_HEAD
3332#undef _XPVMG_HEAD
3333#undef _XPVCV_COMMON
7fae4e64
GS		 3334
3335typedef struct _sublex_info SUBLEXINFO;
3336struct _sublex_info {
651b5b28
NC		 3337 U8 super_state; /* lexer state to save */
3338 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3339 OP *sub_op; /* "lex_op" to use */
f06b5848
DM		 3340 char *super_bufptr; /* PL_parser->bufptr that was */
3341 char *super_bufend; /* PL_parser->bufend that was */
7fae4e64
GS		 3342};
3343
199e78b7
DM		 3344#include "parser.h"
3345
455ece5e 3346typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3347
2c2d71f5 3348struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3349struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3350
6f51351d
NC		 3351/* Keep next first in this structure, because sv_free_arenas take
3352 advantage of this to share code between the pte arenas and the SV
3353 body arenas */
5f7fde29
GS		 3354struct ptr_tbl_ent {
3355 struct ptr_tbl_ent* next;
53c1dcc0 3356 const void* oldval;
5f7fde29 3357 void* newval;
d18c6117
GS		 3358};
3359
5f7fde29
GS		 3360struct ptr_tbl {
3361 struct ptr_tbl_ent** tbl_ary;
3362 UV tbl_max;
3363 UV tbl_items;
d18c6117
GS		 3364};
3365
450a55e4 3366#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3367# define I286
3368#endif
3369
fe14fcc3
LW		 3370#if defined(htonl) && !defined(HAS_HTONL)
3371#define HAS_HTONL
ae986130 3372#endif
fe14fcc3
LW		 3373#if defined(htons) && !defined(HAS_HTONS)
3374#define HAS_HTONS
ae986130 3375#endif
fe14fcc3
LW		 3376#if defined(ntohl) && !defined(HAS_NTOHL)
3377#define HAS_NTOHL
ae986130 3378#endif
fe14fcc3
LW		 3379#if defined(ntohs) && !defined(HAS_NTOHS)
3380#define HAS_NTOHS
ae986130 3381#endif
fe14fcc3 3382#ifndef HAS_HTONL
d9d8d8de 3383#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3384#define HAS_HTONS
3385#define HAS_HTONL
3386#define HAS_NTOHS
3387#define HAS_NTOHL
a687059c
LW		 3388#define MYSWAP
3389#define htons my_swap
3390#define htonl my_htonl
3391#define ntohs my_swap
3392#define ntohl my_ntohl
3393#endif
3394#else
d9d8d8de 3395#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3396#undef HAS_HTONS
3397#undef HAS_HTONL
3398#undef HAS_NTOHS
3399#undef HAS_NTOHL
a687059c
LW		 3400#endif
3401#endif
3402
988174c1
LW		 3403/*
3404 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3405 * -DWS
3406 */
3407#if BYTEORDER != 0x1234
3408# define HAS_VTOHL
3409# define HAS_VTOHS
3410# define HAS_HTOVL
3411# define HAS_HTOVS
c67712b2 3412# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3413# define vtohl(x) ((((x)&0xFF)<<24) \
3414 +(((x)>>24)&0xFF) \
3415 +(((x)&0x0000FF00)<<8) \
3416 +(((x)&0x00FF0000)>>8) )
3417# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3418# define htovl(x) vtohl(x)
3419# define htovs(x) vtohs(x)
3420# endif
3421 /* otherwise default to functions in util.c */
2a8c3029 3422#ifndef htovs
c623ac67
GS		 3423short htovs(short n);
3424short vtohs(short n);
3425long htovl(long n);
3426long vtohl(long n);
988174c1 3427#endif
2a8c3029 3428#endif
988174c1 3429
3bb7c1b4
JH		 3430/* *MAX Plus 1. A floating point value.
3431 Hopefully expressed in a way that dodgy floating point can't mess up.
3432 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3433 is added to it
3434 May find that some broken compiler will want the value cast to I32.
3435 [after the shift, as signed >> may not be as secure as unsigned >>]
3436*/
3437#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3438#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3439/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3440 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3441 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3442*/
3443#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3444
3bb7c1b4
JH		 3445#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3446#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3447#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3448
3449/* This may look like unnecessary jumping through hoops, but converting
3450 out of range floating point values to integers *is* undefined behaviour,
3451 and it is starting to bite.
3452*/
3453#ifndef CAST_INLINE
65202027 3454#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3455#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3456#define I_V(what) (cast_iv((NV)(what)))
3457#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3458#else
3459#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3460 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3461 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3462#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3463 : ((n) < U32_MAX_P1 ? (U32) (n) \
3464 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3465#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3466 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3467 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3468#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3469 : ((n) < UV_MAX_P1 ? (UV) (n) \
3470 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3471#endif
3472
3473#define U_S(what) ((U16)U_32(what))
3474#define U_I(what) ((unsigned int)U_32(what))
3475#define U_L(what) U_32(what)
ed6116ce 3476
ed140128
AD		 3477#ifdef HAS_SIGNBIT
3478# define Perl_signbit signbit
3479#endif
3480
2d4389e4
JH		 3481/* These do not care about the fractional part, only about the range. */
3482#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3483#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3484
25da4f38
IZ		 3485/* Used with UV/IV arguments: */
3486 /* XXXX: need to speed it up */
3487#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3488#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3489
352d5a3a
LW		 3490#ifndef MAXSYSFD
3491# define MAXSYSFD 2
3492#endif
ee0007ab 3493
79072805 3494#ifndef __cplusplus
27da23d5 3495#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3496Uid_t getuid (void);
3497Uid_t geteuid (void);
3498Gid_t getgid (void);
3499Gid_t getegid (void);
79072805 3500#endif
e1caacb4 3501#endif
8d063cd8 3502
0c30d9ec 3503#ifndef Perl_debug_log
bf49b057
GS		 3504# define Perl_debug_log PerlIO_stderr()
3505#endif
3506
3507#ifndef Perl_error_log
3508# define Perl_error_log (PL_stderrgv \
6b78add2 3509 && isGV(PL_stderrgv) \
01bb7c6d 3510 && GvIOp(PL_stderrgv) \
42de951c 3511 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3512 ? IoOFP(GvIOp(PL_stderrgv)) \
3513 : PerlIO_stderr())
0c30d9ec 3514#endif
3967c732 3515
aea4f609
DM		 3516
3517#define DEBUG_p_FLAG 0x00000001 /* 1 */
3518#define DEBUG_s_FLAG 0x00000002 /* 2 */
3519#define DEBUG_l_FLAG 0x00000004 /* 4 */
3520#define DEBUG_t_FLAG 0x00000008 /* 8 */
3521#define DEBUG_o_FLAG 0x00000010 /* 16 */
3522#define DEBUG_c_FLAG 0x00000020 /* 32 */
3523#define DEBUG_P_FLAG 0x00000040 /* 64 */
3524#define DEBUG_m_FLAG 0x00000080 /* 128 */
3525#define DEBUG_f_FLAG 0x00000100 /* 256 */
3526#define DEBUG_r_FLAG 0x00000200 /* 512 */
3527#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3528#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3529/* U is reserved for Unofficial, exploratory hacking */
3530#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3531#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3532#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3533#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3534#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3535#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3536#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3537#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3538#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3539#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3540#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3541#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3542#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3543
3544#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3545#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3546 that something was done? */
aea4f609 3547
bd16a5f0
IZ		 3548# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3549# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3550# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3551# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3552# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3553# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3554# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3555# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3556# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3557# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3558# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3559# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3560# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3561# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3562# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3563# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3564# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3565# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3566# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3567# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3568# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3569# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3570# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3571# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3572# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3573# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3574
3967c732 3575#ifdef DEBUGGING
aea4f609 3576
bd16a5f0
IZ		 3577# define DEBUG_p_TEST DEBUG_p_TEST_
3578# define DEBUG_s_TEST DEBUG_s_TEST_
3579# define DEBUG_l_TEST DEBUG_l_TEST_
3580# define DEBUG_t_TEST DEBUG_t_TEST_
3581# define DEBUG_o_TEST DEBUG_o_TEST_
3582# define DEBUG_c_TEST DEBUG_c_TEST_
3583# define DEBUG_P_TEST DEBUG_P_TEST_
3584# define DEBUG_m_TEST DEBUG_m_TEST_
3585# define DEBUG_f_TEST DEBUG_f_TEST_
3586# define DEBUG_r_TEST DEBUG_r_TEST_
3587# define DEBUG_x_TEST DEBUG_x_TEST_
3588# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3589# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3590# define DEBUG_H_TEST DEBUG_H_TEST_
3591# define DEBUG_X_TEST DEBUG_X_TEST_
3592# define DEBUG_D_TEST DEBUG_D_TEST_
3593# define DEBUG_S_TEST DEBUG_S_TEST_
3594# define DEBUG_T_TEST DEBUG_T_TEST_
3595# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3596# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3597# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3598# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3599# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3600# define DEBUG_q_TEST DEBUG_q_TEST_
7949c6f5
JC		 3601# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3602# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
aea4f609 3603
488b0c7a
JH		 3604# define PERL_DEB(a) a
3605# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3606# define DEBUG_p(a) if (DEBUG_p_TEST) a
3607# define DEBUG_s(a) if (DEBUG_s_TEST) a
3608# define DEBUG_l(a) if (DEBUG_l_TEST) a
3609# define DEBUG_t(a) if (DEBUG_t_TEST) a
3610# define DEBUG_o(a) if (DEBUG_o_TEST) a
3611# define DEBUG_c(a) if (DEBUG_c_TEST) a
3612# define DEBUG_P(a) if (DEBUG_P_TEST) a
3613
969058bb
VK		 3614 /* Temporarily turn off memory debugging in case the a
3615 * does memory allocation, either directly or indirectly. */
acfe0abc 3616# define DEBUG_m(a) \
0b250b9e 3617 STMT_START { \
aea4f609 3618 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3619 } STMT_END
aea4f609 3620
5f80b19c
AMS		 3621# define DEBUG__(t, a) \
3622 STMT_START { \
3623 if (t) STMT_START {a;} STMT_END; \
3624 } STMT_END
3625
3626# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3627#ifndef PERL_EXT_RE_BUILD
5f80b19c 3628# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3629#else
3630# define DEBUG_r(a) STMT_START {a;} STMT_END
3631#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3632# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3633# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3634# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3635# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3636# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3637# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3638# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3639# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
aea4f609 3640
3db8f154 3641# define DEBUG_S(a)
aea4f609 3642
5f80b19c
AMS		 3643# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3644# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3645# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3646# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3647# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3648# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 3649
3650#else /* DEBUGGING */
3651
3652# define DEBUG_p_TEST (0)
3653# define DEBUG_s_TEST (0)
3654# define DEBUG_l_TEST (0)
3655# define DEBUG_t_TEST (0)
3656# define DEBUG_o_TEST (0)
3657# define DEBUG_c_TEST (0)
3658# define DEBUG_P_TEST (0)
3659# define DEBUG_m_TEST (0)
3660# define DEBUG_f_TEST (0)
3661# define DEBUG_r_TEST (0)
3662# define DEBUG_x_TEST (0)
3663# define DEBUG_u_TEST (0)
88d2d28a 3664# define DEBUG_U_TEST (0)
aea4f609
DM		 3665# define DEBUG_H_TEST (0)
3666# define DEBUG_X_TEST (0)
3667# define DEBUG_D_TEST (0)
3668# define DEBUG_S_TEST (0)
3669# define DEBUG_T_TEST (0)
04932ac8 3670# define DEBUG_R_TEST (0)
1045810a 3671# define DEBUG_J_TEST (0)
d6721266 3672# define DEBUG_v_TEST (0)
46187eeb 3673# define DEBUG_C_TEST (0)
ecae49c0
NC		 3674# define DEBUG_A_TEST (0)
3675# define DEBUG_q_TEST (0)
7949c6f5
JC		 3676# define DEBUG_Xv_TEST (0)
3677# define DEBUG_Uv_TEST (0)
aea4f609 3678
488b0c7a
JH		 3679# define PERL_DEB(a)
3680# define PERL_DEBUG(a)
aea4f609
DM		 3681# define DEBUG_p(a)
3682# define DEBUG_s(a)
3683# define DEBUG_l(a)
3684# define DEBUG_t(a)
3685# define DEBUG_o(a)
3686# define DEBUG_c(a)
3687# define DEBUG_P(a)
3688# define DEBUG_m(a)
3689# define DEBUG_f(a)
3690# define DEBUG_r(a)
3691# define DEBUG_x(a)
3692# define DEBUG_u(a)
88d2d28a 3693# define DEBUG_U(a)
aea4f609
DM		 3694# define DEBUG_H(a)
3695# define DEBUG_X(a)
3696# define DEBUG_D(a)
3697# define DEBUG_S(a)
3698# define DEBUG_T(a)
04932ac8 3699# define DEBUG_R(a)
d6721266 3700# define DEBUG_v(a)
46187eeb 3701# define DEBUG_C(a)
ecae49c0
NC		 3702# define DEBUG_A(a)
3703# define DEBUG_q(a)
7949c6f5
JC		 3704# define DEBUG_Xv(a)
3705# define DEBUG_Uv(a)
aea4f609
DM		 3706#endif /* DEBUGGING */
3707
3708
b4ab917c
DM		 3709#define DEBUG_SCOPE(where) \
3710 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3711 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM		 3712
3713
3714
3715
d1be9408 3716/* These constants should be used in preference to raw characters
14befaf4
DM		 3717 * when using magic. Note that some perl guts still assume
3718 * certain character properties of these constants, namely that
3719 * isUPPER() and toLOWER() may do useful mappings.
3720 *
3721 * Update the magic_names table in dump.c when adding/amending these
3722 */
3723
3724#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3725#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3726#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3727#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3728#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3729#define PERL_MAGIC_regdata 'D' /* Regex match position data
3730 (@+ and @- vars) */
3731#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3732#define PERL_MAGIC_env 'E' /* %ENV hash */
3733#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3734#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3735#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
b3ca2e83
NC		 3736#define PERL_MAGIC_hints 'H' /* %^H hash */
3737#define PERL_MAGIC_hintselem 'h' /* %^H hash element */
14befaf4
DM		 3738#define PERL_MAGIC_isa 'I' /* @ISA array */
3739#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3740#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3741#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3742#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3743#define PERL_MAGIC_shared 'N' /* Shared between threads */
3744#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3745#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3746#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3747#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3748#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3749#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3750#define PERL_MAGIC_sig 'S' /* %SIG hash */
3751#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3752#define PERL_MAGIC_taint 't' /* Taintedness */
3753#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3754#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3755#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3756#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3757#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3758#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3759#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3760 smart parameter vivification */
14befaf4
DM		 3761#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3762#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3763#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3764#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3765#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3766#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM		 3767#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3768
de84dc04
NC		 3769#if defined(DEBUGGING) && defined(I_ASSERT)
3770# include <assert.h>
3771#endif
3772
3773/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3774 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3775
de84dc04 3776#define Perl_assert(what) PERL_DEB( \
2b057284 3777 ((what) ? ((void) 0) : \
67eb4d30 3778 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3779 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3780 (void) 0)))
de84dc04
NC		 3781
3782#ifndef assert
3783# define assert(what) Perl_assert(what)
a446a88f 3784#endif
8d063cd8 3785
450a55e4 3786struct ufuncs {
24f81a43
DM		 3787 I32 (*uf_val)(pTHX_ IV, SV*);
3788 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3789 IV uf_index;
450a55e4
LW		 3790};
3791
14befaf4 3792/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3793 * XS code wanting to be backward compatible can do something
3794 * like the following:
c745e42c 3795
24f81a43 3796#ifndef PERL_MG_UFUNC
24f81a43
DM		 3797#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3798#endif
3799
3800static PERL_MG_UFUNC(foo_get, index, val)
3801{
3802 sv_setsv(val, ...);
3803 return TRUE;
3804}
3805
3806-- Doug MacEachern
3807
3808*/
3809
fc9c74e6 3810#ifndef PERL_MG_UFUNC
24f81a43 3811#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3812#endif
24f81a43 3813
fe14fcc3 3814/* Fix these up for __STDC__ */
68dc0745 3815#ifndef DONT_DECLARE_STD
20ce7b12 3816char *mktemp (char*);
37bd1396 3817#ifndef atof
20ce7b12 3818double atof (const char*);
a0d0e21e 3819#endif
37bd1396 3820#endif
79072805 3821
352d5a3a 3822#ifndef STANDARD_C
fe14fcc3 3823/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3824Time_t time();
8d063cd8 3825struct tm *gmtime(), *localtime();
092bebab 3826#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3827char *(strchr)(), *(strrchr)();
3828char *(strcpy)(), *(strcat)();
3829#else
93a17b20 3830char *strchr(), *strrchr();
378cc40b 3831char *strcpy(), *strcat();
9d116dd7 3832#endif
352d5a3a 3833#endif /* ! STANDARD_C */
8d063cd8 3834
79072805
LW		 3835
3836#ifdef I_MATH
3837# include <math.h>
3838#else
32f822de 3839START_EXTERN_C
20ce7b12
GS		 3840 double exp (double);
3841 double log (double);
3842 double log10 (double);
3843 double sqrt (double);
3844 double frexp (double,int*);
3845 double ldexp (double,int);
3846 double modf (double,double*);
3847 double sin (double);
3848 double cos (double);
3849 double atan2 (double,double);
3850 double pow (double,double);
32f822de 3851END_EXTERN_C
79072805
LW		 3852#endif
3853
aa8b85de
JH		 3854#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3855# define NV_INF LDBL_INFINITY
3856#endif
3857#if !defined(NV_INF) && defined(DBL_INFINITY)
3858# define NV_INF (NV)DBL_INFINITY
3859#endif
3860#if !defined(NV_INF) && defined(INFINITY)
3861# define NV_INF (NV)INFINITY
3862#endif
3863#if !defined(NV_INF) && defined(INF)
3864# define NV_INF (NV)INF
3865#endif
3866#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3867# define NV_INF (NV)HUGE_VALL
3868#endif
3869#if !defined(NV_INF) && defined(HUGE_VAL)
3870# define NV_INF (NV)HUGE_VAL
3871#endif
3872
3873#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3874# if !defined(NV_NAN) && defined(LDBL_NAN)
3875# define NV_NAN LDBL_NAN
3876# endif
3877# if !defined(NV_NAN) && defined(LDBL_QNAN)
3878# define NV_NAN LDBL_QNAN
3879# endif
3880# if !defined(NV_NAN) && defined(LDBL_SNAN)
3881# define NV_NAN LDBL_SNAN
3882# endif
3883#endif
3884#if !defined(NV_NAN) && defined(DBL_NAN)
3885# define NV_NAN (NV)DBL_NAN
3886#endif
3887#if !defined(NV_NAN) && defined(DBL_QNAN)
3888# define NV_NAN (NV)DBL_QNAN
3889#endif
3890#if !defined(NV_NAN) && defined(DBL_SNAN)
3891# define NV_NAN (NV)DBL_SNAN
3892#endif
3893#if !defined(NV_NAN) && defined(QNAN)
3894# define NV_NAN (NV)QNAN
3895#endif
3896#if !defined(NV_NAN) && defined(SNAN)
3897# define NV_NAN (NV)SNAN
3898#endif
3899#if !defined(NV_NAN) && defined(NAN)
3900# define NV_NAN (NV)NAN
3901#endif
3902
a0d0e21e 3903#ifndef __cplusplus
8f1f23e8 3904# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3905char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3906# else
fd8cd3a3 3907# if !defined(WIN32) && !defined(VMS)
10bc17b6 3908#ifndef crypt
20ce7b12 3909char *crypt (const char*, const char*);
10bc17b6 3910#endif
5014db98 3911# endif /* !WIN32 */
8f1f23e8 3912# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3913# ifndef DONT_DECLARE_STD
3914# ifndef getenv
20ce7b12 3915char *getenv (const char*);
26618a56 3916# endif /* !getenv */
28ca6303 3917# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3918# ifdef _FILE_OFFSET_BITS
28ca6303 3919# if _FILE_OFFSET_BITS == 64
20ce7b12 3920Off_t lseek (int,Off_t,int);
0fc67700
JH		 3921# endif
3922# endif
bf0c440f 3923# endif
26618a56 3924# endif /* !DONT_DECLARE_STD */
10bc17b6 3925#ifndef getlogin
20ce7b12 3926char *getlogin (void);
10bc17b6 3927#endif
26618a56 3928#endif /* !__cplusplus */
79072805 3929
7a7fd8e0
JM		 3930/* Fixme on VMS. This needs to be a run-time, not build time options */
3931/* Also rename() is affected by this */
16d20bd9 3932#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3933#define UNLINK unlnk
083639a9 3934I32 unlnk (pTHX_ const char*);
8d063cd8 3935#else
80252599 3936#define UNLINK PerlLIO_unlink
8d063cd8 3937#endif
a687059c 3938
fa0a29af
JH		 3939/* some versions of glibc are missing the setresuid() proto */
3940#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3941int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3942#endif
fa0a29af
JH		 3943/* some versions of glibc are missing the setresgid() proto */
3944#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3945int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3946#endif
3947
fe14fcc3 3948#ifndef HAS_SETREUID
85e6fe83
LW		 3949# ifdef HAS_SETRESUID
3950# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3951# define HAS_SETREUID
3952# endif
a687059c 3953#endif
fe14fcc3 3954#ifndef HAS_SETREGID
85e6fe83
LW		 3955# ifdef HAS_SETRESGID
3956# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3957# define HAS_SETREGID
3958# endif
a687059c 3959#endif
ee0007ab 3960
d543acb6 3961/* Sighandler_t defined in iperlsys.h */
ff68c719 3962
3963#ifdef HAS_SIGACTION
3964typedef struct sigaction Sigsave_t;
3965#else
3966typedef Sighandler_t Sigsave_t;
3967#endif
3968
ee0007ab
LW		 3969#define SCAN_DEF 0
3970#define SCAN_TR 1
3971#define SCAN_REPL 2
79072805
LW		 3972
3973#ifdef DEBUGGING
4633a7c4 3974# ifndef register
a0d0e21e
LW		 3975# define register
3976# endif
cea2e8a9 3977# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3978#else
cea2e8a9 3979# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 3980#endif
3981
6cb8cb21 3982#ifdef USE_PERLIO
77db880c 3983EXTERN_C void PerlIO_teardown();
2f44961c 3984# ifdef USE_ITHREADS
6cb8cb21
RGS		 3985# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
3986# define PERLIO_TERM \
3987 STMT_START { \
d0820ef1 3988 PerlIO_teardown(); \
6cb8cb21
RGS		 3989 MUTEX_DESTROY(&PL_perlio_mutex);\
3990 } STMT_END
3991# else
3992# define PERLIO_INIT
d0820ef1 3993# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 3994# endif
6b29934b
NC		 3995#else
3996# define PERLIO_INIT
3997# define PERLIO_TERM
6cb8cb21
RGS		 3998#endif
3999
18f739ee 4000#ifdef MYMALLOC
772fe5b3 4001# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 4002# define MALLOC_INIT \
4003 STMT_START { \
4004 PL_malloc_mutex = NULL; \
4005 MUTEX_INIT(&PL_malloc_mutex); \
4006 } STMT_END
4007# define MALLOC_TERM \
4008 STMT_START { \
4009 perl_mutex tmp = PL_malloc_mutex; \
4010 PL_malloc_mutex = NULL; \
4011 MUTEX_DESTROY(&tmp); \
4012 } STMT_END
4013# else
4014# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4015# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4016# endif
18f739ee
IZ		 4017#else
4018# define MALLOC_INIT
4019# define MALLOC_TERM
4020#endif
4021
cd1541b2 4022#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 4023
4024struct perl_memory_debug_header;
cd1541b2
NC		 4025struct perl_memory_debug_header {
4026 tTHX interpreter;
4027# ifdef PERL_POISON
4028 MEM_SIZE size;
cd1541b2 4029# endif
7cb608b5
NC		 4030 struct perl_memory_debug_header *prev;
4031 struct perl_memory_debug_header *next;
cd1541b2
NC		 4032};
4033
4034# define sTHX (sizeof(struct perl_memory_debug_header) + \
4035 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4036 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4037
4038#endif
4039
7cb608b5
NC		 4040#ifdef PERL_TRACK_MEMPOOL
4041# define INIT_TRACK_MEMPOOL(header, interp) \
4042 STMT_START { \
4043 (header).interpreter = (interp); \
4044 (header).prev = (header).next = &(header); \
4045 } STMT_END
4046# else
4047# define INIT_TRACK_MEMPOOL(header, interp)
4048#endif
4049
b6d9d515 4050
0cb96387 4051typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 4052typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 4053typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 4054typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
eba16661 4055typedef bool (CPERLscope(*destroyable_proc_t)) (pTHX_ SV *sv);
22c35a8c 4056
940cb80d 4057/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 4058#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 4059
8f1f23e8
W		 4060/* NeXT has problems with crt0.o globals */
4061#if defined(__DYNAMIC__) && \
6239f2da 4062 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 4063# if defined(NeXT) || defined(__NeXT)
4064# include <mach-o/dyld.h>
4065# define environ (*environ_pointer)
0c30d9ec 4066EXT char *** environ_pointer;
8f1f23e8 4067# else
6239f2da 4068# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 4069# include <crt_externs.h> /* for the env array */
4070# define environ (*_NSGetEnviron())
4071# endif
0c30d9ec 4072# endif
8f1f23e8
W		 4073#else
4074 /* VMS and some other platforms don't use the environ array */
13b6e58c 4075# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 4076# if !defined(DONT_DECLARE_STD) || \
4077 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
4078 defined(__sgi) || \
d460ef45 4079 defined(__DGUX)
8f1f23e8 4080extern char ** environ; /* environment variables supplied via exec */
a6c40364 4081# endif
8f1f23e8
W		 4082# endif
4083#endif
79072805 4084
73c4f7a1
GS		 4085START_EXTERN_C
4086
79072805 4087/* handy constants */
22c35a8c 4088EXTCONST char PL_warn_uninit[]
29489e7c 4089 INIT("Use of uninitialized value%s%s%s");
22c35a8c 4090EXTCONST char PL_warn_nosemi[]
463ee0b2 4091 INIT("Semicolon seems to be missing");
22c35a8c 4092EXTCONST char PL_warn_reserved[]
463ee0b2 4093 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4094EXTCONST char PL_warn_nl[]
93a17b20 4095 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4096EXTCONST char PL_no_wrongref[]
a0d0e21e 4097 INIT("Can't use %s ref as %s ref");
22c35a8c 4098EXTCONST char PL_no_symref[]
748a9306 4099 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 4100EXTCONST char PL_no_symref_sv[]
014ead4b 4101 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 4102EXTCONST char PL_no_usym[]
8990e307 4103 INIT("Can't use an undefined value as %s reference");
22c35a8c 4104EXTCONST char PL_no_aelem[]
93a17b20 4105 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4106EXTCONST char PL_no_helem_sv[]
d04ff51e 4107 INIT("Modification of non-creatable hash value attempted, subscript \"%"SVf"\"");
22c35a8c 4108EXTCONST char PL_no_modify[]
93a17b20 4109 INIT("Modification of a read-only value attempted");
22c35a8c 4110EXTCONST char PL_no_mem[]
93a17b20 4111 INIT("Out of memory!\n");
22c35a8c 4112EXTCONST char PL_no_security[]
463ee0b2 4113 INIT("Insecure dependency in %s%s");
22c35a8c 4114EXTCONST char PL_no_sock_func[]
93a17b20 4115 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4116EXTCONST char PL_no_dir_func[]
93a17b20 4117 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4118EXTCONST char PL_no_func[]
93a17b20 4119 INIT("The %s function is unimplemented");
22c35a8c 4120EXTCONST char PL_no_myglob[]
952306ac 4121 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 4122EXTCONST char PL_no_localize_ref[]
4123 INIT("Can't localize through a reference");
27d5b266
JH		 4124EXTCONST char PL_memory_wrap[]
4125 INIT("panic: memory wrap");
93a17b20 4126
618b9757
NC		 4127#ifdef CSH
4128EXTCONST char PL_cshname[]
4129 INIT(CSH);
4130# define PL_cshlen (sizeof(CSH "") - 1)
4131#endif
4132
7575fa06 4133EXTCONST char PL_uuemap[65]
80252599
GS		 4134 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4135
79072805 4136#ifdef DOINIT
9444d213
NC		 4137EXTCONST char PL_uudmap[256] =
4138#include "uudmap.h"
4139;
27da23d5
JH		 4140EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4141EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4142#else
9444d213 4143EXTCONST char PL_uudmap[256];
27da23d5
JH		 4144EXTCONST char* const PL_sig_name[];
4145EXTCONST int PL_sig_num[];
79072805
LW		 4146#endif
4147
3bd709b1 4148/* fast conversion and case folding tables */
bbce6d69 4149
79072805 4150#ifdef DOINIT
9d116dd7 4151#ifdef EBCDIC
27da23d5 4152EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 4153 0, 1, 2, 3, 4, 5, 6, 7,
4154 8, 9, 10, 11, 12, 13, 14, 15,
4155 16, 17, 18, 19, 20, 21, 22, 23,
4156 24, 25, 26, 27, 28, 29, 30, 31,
4157 32, 33, 34, 35, 36, 37, 38, 39,
4158 40, 41, 42, 43, 44, 45, 46, 47,
4159 48, 49, 50, 51, 52, 53, 54, 55,
4160 56, 57, 58, 59, 60, 61, 62, 63,
4161 64, 65, 66, 67, 68, 69, 70, 71,
4162 72, 73, 74, 75, 76, 77, 78, 79,
4163 80, 81, 82, 83, 84, 85, 86, 87,
4164 88, 89, 90, 91, 92, 93, 94, 95,
4165 96, 97, 98, 99, 100, 101, 102, 103,
4166 104, 105, 106, 107, 108, 109, 110, 111,
4167 112, 113, 114, 115, 116, 117, 118, 119,
4168 120, 121, 122, 123, 124, 125, 126, 127,
4169 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4170 'H', 'I', 138, 139, 140, 141, 142, 143,
4171 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
4172 'Q', 'R', 154, 155, 156, 157, 158, 159,
4173 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
4174 'Y', 'Z', 170, 171, 172, 173, 174, 175,
4175 176, 177, 178, 179, 180, 181, 182, 183,
4176 184, 185, 186, 187, 188, 189, 190, 191,
4177 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4178 'h', 'i', 202, 203, 204, 205, 206, 207,
4179 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
4180 'q', 'r', 218, 219, 220, 221, 222, 223,
4181 224, 225, 's', 't', 'u', 'v', 'w', 'x',
4182 'y', 'z', 234, 235, 236, 237, 238, 239,
4183 240, 241, 242, 243, 244, 245, 246, 247,
4184 248, 249, 250, 251, 252, 253, 254, 255
4185};
4186#else /* ascii rather than ebcdic */
22c35a8c 4187EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4188 0, 1, 2, 3, 4, 5, 6, 7,
4189 8, 9, 10, 11, 12, 13, 14, 15,
4190 16, 17, 18, 19, 20, 21, 22, 23,
4191 24, 25, 26, 27, 28, 29, 30, 31,
4192 32, 33, 34, 35, 36, 37, 38, 39,
4193 40, 41, 42, 43, 44, 45, 46, 47,
4194 48, 49, 50, 51, 52, 53, 54, 55,
4195 56, 57, 58, 59, 60, 61, 62, 63,
4196 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4197 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4198 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4199 'x', 'y', 'z', 91, 92, 93, 94, 95,
4200 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4201 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4202 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4203 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4204 128, 129, 130, 131, 132, 133, 134, 135,
4205 136, 137, 138, 139, 140, 141, 142, 143,
4206 144, 145, 146, 147, 148, 149, 150, 151,
4207 152, 153, 154, 155, 156, 157, 158, 159,
4208 160, 161, 162, 163, 164, 165, 166, 167,
4209 168, 169, 170, 171, 172, 173, 174, 175,
4210 176, 177, 178, 179, 180, 181, 182, 183,
4211 184, 185, 186, 187, 188, 189, 190, 191,
4212 192, 193, 194, 195, 196, 197, 198, 199,
4213 200, 201, 202, 203, 204, 205, 206, 207,
4214 208, 209, 210, 211, 212, 213, 214, 215,
4215 216, 217, 218, 219, 220, 221, 222, 223,
4216 224, 225, 226, 227, 228, 229, 230, 231,
4217 232, 233, 234, 235, 236, 237, 238, 239,
4218 240, 241, 242, 243, 244, 245, 246, 247,
4219 248, 249, 250, 251, 252, 253, 254, 255
4220};
9d116dd7 4221#endif /* !EBCDIC */
79072805 4222#else
22c35a8c 4223EXTCONST unsigned char PL_fold[];
79072805
LW		 4224#endif
4225
27da23d5 4226#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4227#ifdef DOINIT
27da23d5 4228EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4229 0, 1, 2, 3, 4, 5, 6, 7,
4230 8, 9, 10, 11, 12, 13, 14, 15,
4231 16, 17, 18, 19, 20, 21, 22, 23,
4232 24, 25, 26, 27, 28, 29, 30, 31,
4233 32, 33, 34, 35, 36, 37, 38, 39,
4234 40, 41, 42, 43, 44, 45, 46, 47,
4235 48, 49, 50, 51, 52, 53, 54, 55,
4236 56, 57, 58, 59, 60, 61, 62, 63,
4237 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4238 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4239 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4240 'x', 'y', 'z', 91, 92, 93, 94, 95,
4241 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4242 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4243 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4244 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4245 128, 129, 130, 131, 132, 133, 134, 135,
4246 136, 137, 138, 139, 140, 141, 142, 143,
4247 144, 145, 146, 147, 148, 149, 150, 151,
4248 152, 153, 154, 155, 156, 157, 158, 159,
4249 160, 161, 162, 163, 164, 165, 166, 167,
4250 168, 169, 170, 171, 172, 173, 174, 175,
4251 176, 177, 178, 179, 180, 181, 182, 183,
4252 184, 185, 186, 187, 188, 189, 190, 191,
4253 192, 193, 194, 195, 196, 197, 198, 199,
4254 200, 201, 202, 203, 204, 205, 206, 207,
4255 208, 209, 210, 211, 212, 213, 214, 215,
4256 216, 217, 218, 219, 220, 221, 222, 223,
4257 224, 225, 226, 227, 228, 229, 230, 231,
4258 232, 233, 234, 235, 236, 237, 238, 239,
4259 240, 241, 242, 243, 244, 245, 246, 247,
4260 248, 249, 250, 251, 252, 253, 254, 255
4261};
4262#else
27da23d5 4263EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4264#endif
27da23d5 4265#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4266
4267#ifdef DOINIT
9d116dd7 4268#ifdef EBCDIC
27da23d5 4269EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4270 1, 2, 84, 151, 154, 155, 156, 157,
4271 165, 246, 250, 3, 158, 7, 18, 29,
4272 40, 51, 62, 73, 85, 96, 107, 118,
4273 129, 140, 147, 148, 149, 150, 152, 153,
4274 255, 6, 8, 9, 10, 11, 12, 13,
4275 14, 15, 24, 25, 26, 27, 28, 226,
4276 29, 30, 31, 32, 33, 43, 44, 45,
4277 46, 47, 48, 49, 50, 76, 77, 78,
4278 79, 80, 81, 82, 83, 84, 85, 86,
4279 87, 94, 95, 234, 181, 233, 187, 190,
4280 180, 96, 97, 98, 99, 100, 101, 102,
4281 104, 112, 182, 174, 236, 232, 229, 103,
4282 228, 226, 114, 115, 116, 117, 118, 119,
4283 120, 121, 122, 235, 176, 230, 194, 162,
4284 130, 131, 132, 133, 134, 135, 136, 137,
4285 138, 139, 201, 205, 163, 217, 220, 224,
4286 5, 248, 227, 244, 242, 255, 241, 231,
4287 240, 253, 16, 197, 19, 20, 21, 187,
4288 23, 169, 210, 245, 237, 249, 247, 239,
4289 168, 252, 34, 196, 36, 37, 38, 39,
4290 41, 42, 251, 254, 238, 223, 221, 213,
4291 225, 177, 52, 53, 54, 55, 56, 57,
4292 58, 59, 60, 61, 63, 64, 65, 66,
4293 67, 68, 69, 70, 71, 72, 74, 75,
4294 205, 208, 186, 202, 200, 218, 198, 179,
4295 178, 214, 88, 89, 90, 91, 92, 93,
4296 217, 166, 170, 207, 199, 209, 206, 204,
4297 160, 212, 105, 106, 108, 109, 110, 111,
4298 203, 113, 216, 215, 192, 175, 193, 243,
4299 172, 161, 123, 124, 125, 126, 127, 128,
4300 222, 219, 211, 195, 188, 193, 185, 184,
4301 191, 183, 141, 142, 143, 144, 145, 146
4302};
4303#else /* ascii rather than ebcdic */
22c35a8c 4304EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4305 1, 2, 84, 151, 154, 155, 156, 157,
4306 165, 246, 250, 3, 158, 7, 18, 29,
4307 40, 51, 62, 73, 85, 96, 107, 118,
4308 129, 140, 147, 148, 149, 150, 152, 153,
4309 255, 182, 224, 205, 174, 176, 180, 217,
4310 233, 232, 236, 187, 235, 228, 234, 226,
4311 222, 219, 211, 195, 188, 193, 185, 184,
4312 191, 183, 201, 229, 181, 220, 194, 162,
4313 163, 208, 186, 202, 200, 218, 198, 179,
4314 178, 214, 166, 170, 207, 199, 209, 206,
4315 204, 160, 212, 216, 215, 192, 175, 173,
4316 243, 172, 161, 190, 203, 189, 164, 230,
4317 167, 248, 227, 244, 242, 255, 241, 231,
4318 240, 253, 169, 210, 245, 237, 249, 247,
4319 239, 168, 252, 251, 254, 238, 223, 221,
4320 213, 225, 177, 197, 171, 196, 159, 4,
4321 5, 6, 8, 9, 10, 11, 12, 13,
4322 14, 15, 16, 17, 19, 20, 21, 22,
4323 23, 24, 25, 26, 27, 28, 30, 31,
4324 32, 33, 34, 35, 36, 37, 38, 39,
4325 41, 42, 43, 44, 45, 46, 47, 48,
4326 49, 50, 52, 53, 54, 55, 56, 57,
4327 58, 59, 60, 61, 63, 64, 65, 66,
4328 67, 68, 69, 70, 71, 72, 74, 75,
4329 76, 77, 78, 79, 80, 81, 82, 83,
4330 86, 87, 88, 89, 90, 91, 92, 93,
4331 94, 95, 97, 98, 99, 100, 101, 102,
4332 103, 104, 105, 106, 108, 109, 110, 111,
4333 112, 113, 114, 115, 116, 117, 119, 120,
4334 121, 122, 123, 124, 125, 126, 127, 128,
4335 130, 131, 132, 133, 134, 135, 136, 137,
4336 138, 139, 141, 142, 143, 144, 145, 146
4337};
9d116dd7 4338#endif
79072805 4339#else
22c35a8c 4340EXTCONST unsigned char PL_freq[];
79072805
LW		 4341#endif
4342
8990e307
LW		 4343#ifdef DEBUGGING
4344#ifdef DOINIT
27da23d5 4345EXTCONST char* const PL_block_type[] = {
8990e307
LW		 4346 "NULL",
4347 "SUB",
4348 "EVAL",
4349 "LOOP",
4350 "SUBST",
4351 "BLOCK",
0d863452
RH		 4352 "FORMAT",
4353 "GIVEN",
4354 "WHEN"
8990e307
LW		 4355};
4356#else
22c35a8c 4357EXTCONST char* PL_block_type[];
8990e307
LW		 4358#endif
4359#endif
4360
b75885fd
NC		 4361/* These are all the compile time options that affect binary compatibility.
4362 Other compile time options that are binary compatible are in perl.c
4363 Both are combined for the output of perl -V
4364 However, this string will be embedded in any shared perl library, which will
4365 allow us add a comparison check in perlmain.c in the near future. */
4366#ifdef DOINIT
4367EXTCONST char PL_bincompat_options[] =
4368# ifdef DEBUG_LEAKING_SCALARS
4369 " DEBUG_LEAKING_SCALARS"
4370# endif
4371# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4372 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4373# endif
4374# ifdef FAKE_THREADS
4375 " FAKE_THREADS"
4376# endif
4377# ifdef MULTIPLICITY
4378 " MULTIPLICITY"
4379# endif
4380# ifdef MYMALLOC
4381 " MYMALLOC"
4382# endif
4383# ifdef PERL_DEBUG_READONLY_OPS
4384 " PERL_DEBUG_READONLY_OPS"
4385# endif
4386# ifdef PERL_GLOBAL_STRUCT
4387 " PERL_GLOBAL_STRUCT"
4388# endif
4389# ifdef PERL_IMPLICIT_CONTEXT
4390 " PERL_IMPLICIT_CONTEXT"
4391# endif
4392# ifdef PERL_IMPLICIT_SYS
4393 " PERL_IMPLICIT_SYS"
4394# endif
4395# ifdef PERL_MAD
4396 " PERL_MAD"
4397# endif
4398# ifdef PERL_NEED_APPCTX
4399 " PERL_NEED_APPCTX"
4400# endif
4401# ifdef PERL_NEED_TIMESBASE
4402 " PERL_NEED_TIMESBASE"
4403# endif
4404# ifdef PERL_OLD_COPY_ON_WRITE
4405 " PERL_OLD_COPY_ON_WRITE"
4406# endif
4407# ifdef PERL_POISON
4408 " PERL_POISON"
4409# endif
4410# ifdef PERL_TRACK_MEMPOOL
4411 " PERL_TRACK_MEMPOOL"
4412# endif
4413# ifdef PERL_USES_PL_PIDSTATUS
4414 " PERL_USES_PL_PIDSTATUS"
4415# endif
4416# ifdef PL_OP_SLAB_ALLOC
4417 " PL_OP_SLAB_ALLOC"
4418# endif
4419# ifdef THREADS_HAVE_PIDS
4420 " THREADS_HAVE_PIDS"
4421# endif
4422# ifdef USE_64_BIT_ALL
4423 " USE_64_BIT_ALL"
4424# endif
4425# ifdef USE_64_BIT_INT
4426 " USE_64_BIT_INT"
4427# endif
c7b392fa
NC		 4428# ifdef USE_IEEE
4429 " USE_IEEE"
4430# endif
b75885fd
NC		 4431# ifdef USE_ITHREADS
4432 " USE_ITHREADS"
4433# endif
4434# ifdef USE_LARGE_FILES
4435 " USE_LARGE_FILES"
4436# endif
4437# ifdef USE_LONG_DOUBLE
4438 " USE_LONG_DOUBLE"
4439# endif
4440# ifdef USE_PERLIO
4441 " USE_PERLIO"
4442# endif
4443# ifdef USE_REENTRANT_API
4444 " USE_REENTRANT_API"
4445# endif
4446# ifdef USE_SFIO
4447 " USE_SFIO"
4448# endif
4449# ifdef USE_SOCKS
4450 " USE_SOCKS"
4451# endif
4f575702
CB		 4452# ifdef VMS_DO_SOCKETS
4453 " VMS_DO_SOCKETS"
4454# ifdef DECCRTL_SOCKETS
4455 " DECCRTL_SOCKETS"
4456# endif
4457# endif
4458# ifdef VMS_WE_ARE_CASE_SENSITIVE
4459 " VMS_SYMBOL_CASE_AS_IS"
4460# endif
a68dd89e 4461 "";
b75885fd
NC		 4462#else
4463EXTCONST char PL_bincompat_options[];
4464#endif
4465
73c4f7a1
GS		 4466END_EXTERN_C
4467
79072805
LW		 4468/*****************************************************************************/
4469/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4470/*****************************************************************************/
8990e307 4471/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4472
d4c3c482 4473#ifdef __Lynx__
9cffb111
OS		 4474/* LynxOS defines these in scsi.h which is included via ioctl.h */
4475#ifdef FORMAT
4476#undef FORMAT
4477#endif
4478#ifdef SPACE
4479#undef SPACE
4480#endif
d4c3c482 4481#endif
9cffb111 4482
fb73857a 4483#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4484
79072805
LW		 4485typedef enum {
4486 XOPERATOR,
4487 XTERM,
79072805 4488 XREF,
8990e307 4489 XSTATE,
a0d0e21e 4490 XBLOCK,
09bef843
SB		 4491 XATTRBLOCK,
4492 XATTRTERM,
6f33ba73
RGS		 4493 XTERMBLOCK,
4494 XTERMORDORDOR /* evil hack */
27308ded 4495 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4496} expectation;
4497
dc9e4912
GS		 4498enum { /* pass one of these to get_vtbl */
4499 want_vtbl_sv,
4500 want_vtbl_env,
4501 want_vtbl_envelem,
4502 want_vtbl_sig,
4503 want_vtbl_sigelem,
4504 want_vtbl_pack,
4505 want_vtbl_packelem,
4506 want_vtbl_dbline,
4507 want_vtbl_isa,
4508 want_vtbl_isaelem,
4509 want_vtbl_arylen,
4510 want_vtbl_glob,
4511 want_vtbl_mglob,
4512 want_vtbl_nkeys,
4513 want_vtbl_taint,
4514 want_vtbl_substr,
4515 want_vtbl_vec,
4516 want_vtbl_pos,
4517 want_vtbl_bm,
4518 want_vtbl_fm,
4519 want_vtbl_uvar,
4520 want_vtbl_defelem,
4521 want_vtbl_regexp,
4522 want_vtbl_collxfrm,
4523 want_vtbl_amagic,
4524 want_vtbl_amagicelem,
dc9e4912 4525 want_vtbl_regdata,
810b8aa5 4526 want_vtbl_regdatum,
7e8c5dac 4527 want_vtbl_backref,
8d2f4536 4528 want_vtbl_utf8,
83bf042f 4529 want_vtbl_symtab,
b3ca2e83
NC		 4530 want_vtbl_arylen_p,
4531 want_vtbl_hintselem
dc9e4912
GS		 4532};
4533
d5ec2987
NC		 4534
4535/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4536 special and there is no need for HINT_PRIVATE_MASK for COPs
4537 However, bitops store HINT_INTEGER in their op_private. */
9cfe5470
RGS		 4538#define HINT_INTEGER 0x00000001 /* integer pragma */
4539#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4540#define HINT_LOCALE 0x00000004 /* locale pragma */
4541#define HINT_BYTES 0x00000008 /* bytes pragma */
7b0bddfa 4542#define HINT_ARYBASE 0x00000010 /* $[ is non-zero */
a0ed51b3 4543 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 4544 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 4545
4546#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4547#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4548#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 4549
9cfe5470 4550/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4551#define HINT_NEW_INTEGER 0x00001000
4552#define HINT_NEW_FLOAT 0x00002000
4553#define HINT_NEW_BINARY 0x00004000
4554#define HINT_NEW_STRING 0x00008000
4555#define HINT_NEW_RE 0x00010000
4556#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 4557#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4558#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 4559
9cfe5470
RGS		 4560#define HINT_RE_TAINT 0x00100000 /* re pragma */
4561#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4562
9cfe5470
RGS		 4563#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4564#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4565
0239f47c 4566/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4567#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4568#define HINT_SORT_QUICKSORT 0x00000001
4569#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4570#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4571
8bfdd7d9 4572/* Various states of the input record separator SV (rs) */
d4cce5f1 4573#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4574#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4575#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4576#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4577
128e8167 4578/* A struct for keeping various DEBUGGING related stuff,
ce333219 4579 * neatly packed. Currently only scratch variables for
128e8167
JH		 4580 * constructing debug output are included. Needed always,
4581 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4582struct perl_debug_pad {
4583 SV pad[3];
4584};
4585
4586#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4587#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4588 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4589 PERL_DEBUG_PAD(i))
ce333219 4590
56953603 4591/* Enable variables which are pointers to functions */
a2efc822 4592typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 4593typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
4594typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
4595 char* strend, char* strbeg, I32 minend,
4596 SV* screamer, void* data, U32 flags);
f722798b
IZ		 4597typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
4598 char *strpos, char *strend,
4599 U32 flags,
9f61653a 4600 re_scream_pos_data *d);
f722798b
IZ		 4601typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
4602typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
84da74a7 4603typedef regexp*(CPERLscope(*regdupe_t)) (pTHX_ const regexp* r, CLONE_PARAMS *param);
56953603 4604
c76ac1ee 4605typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 4606typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
4607typedef void (*SVFUNC_t) (pTHX_ SV*);
4608typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
4609typedef void (*XSINIT_t) (pTHX);
4610typedef void (*ATEXIT_t) (pTHX_ void*);
4611typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4612
22239a37
NIS		 4613/* Set up PERLVAR macros for populating structs */
4614#define PERLVAR(var,type) type var;
51371543 4615#define PERLVARA(var,n,type) type var[n];
22239a37 4616#define PERLVARI(var,type,init) type var;
3fe35a81 4617#define PERLVARIC(var,type,init) type var;
27da23d5
JH		 4618#define PERLVARISC(var,init) const char var[sizeof(init)];
4619
4620typedef OP* (CPERLscope(*Perl_ppaddr_t))(pTHX);
4621typedef OP* (CPERLscope(*Perl_check_t)) (pTHX_ OP*);
22239a37 4622
58a50f62
GS		 4623/* Interpreter exitlist entry */
4624typedef struct exitlistentry {
acfe0abc 4625 void (*fn) (pTHX_ void*);
58a50f62
GS		 4626 void *ptr;
4627} PerlExitListEntry;
4628
aadb217d
JH		 4629/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4630/* These have to be before perlvars.h */
4631#if !defined(HAS_SIGACTION) && defined(VMS)
4632# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4633#endif
4634/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4635#if defined(KILL_BY_SIGPRC)
4636# define FAKE_DEFAULT_SIGNAL_HANDLERS
4637#endif
4638
ffee3ff6
NC		 4639#define PERL_PATCHLEVEL_H_IMPLICIT
4640#include "patchlevel.h"
4641#undef PERL_PATCHLEVEL_H_IMPLICIT
4642
22239a37
NIS		 4643#ifdef PERL_GLOBAL_STRUCT
4644struct perl_vars {
7766f137 4645# include "perlvars.h"
22239a37
NIS		 4646};
4647
7766f137 4648# ifdef PERL_CORE
27da23d5 4649# ifndef PERL_GLOBAL_STRUCT_PRIVATE
533c011a
NIS		 4650EXT struct perl_vars PL_Vars;
4651EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
27da23d5
JH		 4652# undef PERL_GET_VARS
4653# define PERL_GET_VARS() PL_VarsPtr
4654# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
7766f137
GS		 4655# else /* PERL_CORE */
4656# if !defined(__GNUC__) || !defined(WIN32)
22239a37 4657EXT
7766f137 4658# endif /* WIN32 */
533c011a 4659struct perl_vars *PL_VarsPtr;
7766f137
GS		 4660# define PL_Vars (*((PL_VarsPtr) \
4661 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
4662# endif /* PERL_CORE */
22239a37
NIS		 4663#endif /* PERL_GLOBAL_STRUCT */
4664
acfe0abc 4665#if defined(MULTIPLICITY)
d460ef45 4666/* If we have multiple interpreters define a struct
d4cce5f1 4667 holding variables which must be per-interpreter
d460ef45 4668 If we don't have threads anything that would have
d4cce5f1
NIS		 4669 be per-thread is per-interpreter.
4670*/
4671
79072805 4672struct interpreter {
7766f137 4673# include "intrpvar.h"
49f531da 4674};
d4cce5f1 4675
79072805 4676#else
49f531da
NIS		 4677struct interpreter {
4678 char broiled;
4679};
acfe0abc 4680#endif /* MULTIPLICITY */
79072805 4681
22239a37 4682/* Done with PERLVAR macros for now ... */
d4cce5f1 4683#undef PERLVAR
51371543 4684#undef PERLVARA
d4cce5f1 4685#undef PERLVARI
3fe35a81 4686#undef PERLVARIC
27da23d5 4687#undef PERLVARISC
79072805 4688
f7fe979e 4689struct tempsym; /* defined in pp_pack.c */
49704364 4690
22239a37 4691#include "thread.h"
79072805 4692#include "pp.h"
864dbfa3
GS		 4693
4694#ifndef PERL_CALLCONV
a0c21aa1
JH		 4695# ifdef __cplusplus
4696# define PERL_CALLCONV extern "C"
4697# else
4698# define PERL_CALLCONV
4699# endif
d460ef45 4700#endif
0cb96387
GS		 4701#undef PERL_CKDEF
4702#undef PERL_PPDEF
0159f81b
JH		 4703#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
4704#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 4705
7766f137 4706#include "proto.h"
864dbfa3 4707
0cb96387 4708/* this has structure inits, so it cannot be included before here */
acfe0abc 4709#include "opcode.h"
864dbfa3 4710
d4cce5f1
NIS		 4711/* The following must follow proto.h as #defines mess up syntax */
4712
22c35a8c
GS		 4713#if !defined(PERL_FOR_X2P)
4714# include "embedvar.h"
4715#endif
598921a7
NC		 4716#ifndef PERL_MAD
4717# undef PL_madskills
4718# undef PL_xmlfp
4719# define PL_madskills 0
4720# define PL_xmlfp 0
4721#endif
d4cce5f1 4722
d460ef45 4723/* Now include all the 'global' variables
d4cce5f1 4724 * If we don't have threads or multiple interpreters
d460ef45 4725 * these include variables that would have been their struct-s
d4cce5f1 4726 */
d460ef45 4727
533c011a 4728#define PERLVAR(var,type) EXT type PL_##var;
51371543 4729#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 4730#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
4731#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
27da23d5 4732#define PERLVARISC(var,init) EXTCONST char PL_##var[sizeof(init)] INIT(init);
d4cce5f1 4733
acfe0abc 4734#if !defined(MULTIPLICITY)
7766f137 4735START_EXTERN_C
066ef5b5 4736# include "intrpvar.h"
7766f137 4737END_EXTERN_C
22239a37
NIS		 4738#endif
4739
24792b8d
NC		 4740#ifdef PERL_CORE
4741/* All core uses now exterminated. Ensure no zombies can return: */
4742# undef PL_na
4743#endif
4744
acfe0abc 4745#if defined(WIN32)
66a93824 4746/* Now all the config stuff is setup we can include embed.h */
22c35a8c 4747# include "embed.h"
eb8433b7
NC		 4748# ifndef PERL_MAD
4749# undef op_getmad
b3f24c00 4750# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 4751# endif
acfe0abc 4752#endif
22239a37 4753
c5be433b
GS		 4754#ifndef PERL_GLOBAL_STRUCT
4755START_EXTERN_C
4756
4757# include "perlvars.h"
4758
4759END_EXTERN_C
4760#endif
4761
d4cce5f1 4762#undef PERLVAR
51371543 4763#undef PERLVARA
d4cce5f1 4764#undef PERLVARI
0f3f18a6 4765#undef PERLVARIC
79072805 4766
73c4f7a1
GS		 4767START_EXTERN_C
4768
bc028b6b
JH		 4769/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
4770 * magic vtables const, but this is incompatible with SWIG which
4771 * does want to modify the vtables. */
4772#ifdef PERL_GLOBAL_STRUCT_PRIVATE
4773# define EXT_MGVTBL EXTCONST MGVTBL
4774#else
4775# define EXT_MGVTBL EXT MGVTBL
4776#endif
4777
79072805 4778#ifdef DOINIT
bc028b6b 4779# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var = {a,b,c,d,e,f,g,h}
2664ba31 4780/* Like MGVTBL_SET but with the get magic having a const MG* */
bc028b6b 4781# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var \
2664ba31 4782 = {(int (*)(pTHX_ SV *, MAGIC *))a,b,c,d,e,f,g,h}
4944113a 4783#else
bc028b6b
JH		 4784# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var
4785# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var
4944113a
AL		 4786#endif
4787
abdc98d4
NC		 4788/* These all need to be 0, not NULL, as NULL can be (void*)0, which is a
4789 * pointer to data, whereas we're assigning pointers to functions, which are
4790 * not the same beast. ANSI doesn't allow the assignment from one to the other.
4791 * (although most, but not all, compilers are prepared to do it)
4792 */
4944113a
AL		 4793MGVTBL_SET(
4794 PL_vtbl_sv,
4795 MEMBER_TO_FPTR(Perl_magic_get),
4796 MEMBER_TO_FPTR(Perl_magic_set),
4797 MEMBER_TO_FPTR(Perl_magic_len),
abdc98d4
NC		 4798 0,
4799 0,
4800 0,
4801 0,
4802 0
4944113a
AL		 4803);
4804
4805MGVTBL_SET(
4806 PL_vtbl_env,
abdc98d4 4807 0,
4944113a 4808 MEMBER_TO_FPTR(Perl_magic_set_all_env),
abdc98d4 4809 0,
4944113a 4810 MEMBER_TO_FPTR(Perl_magic_clear_all_env),
abdc98d4
NC		 4811 0,
4812 0,
4813 0,
4814 0
4944113a
AL		 4815);
4816
4817MGVTBL_SET(
4818 PL_vtbl_envelem,
abdc98d4 4819 0,
4944113a 4820 MEMBER_TO_FPTR(Perl_magic_setenv),
abdc98d4 4821 0,
4944113a 4822 MEMBER_TO_FPTR(Perl_magic_clearenv),
abdc98d4
NC		 4823 0,
4824 0,
4825 0,
4826 0
4944113a
AL		 4827);
4828
abdc98d4 4829/* For now, hints magic will also use vtbl_sig, because it is all 0 */
4944113a
AL		 4830MGVTBL_SET(
4831 PL_vtbl_sig,
abdc98d4
NC		 4832 0,
4833 0,
4834 0,
4835 0,
4836 0,
4837 0,
4838 0,
4839 0
4944113a
AL		 4840);
4841
9ba75e3c 4842#ifdef PERL_MICRO
4944113a
AL		 4843MGVTBL_SET(
4844 PL_vtbl_sigelem,
abdc98d4
NC		 4845 0,
4846 0,
4847 0,
4848 0,
4849 0,
4850 0,
4851 0,
4852 0
9ba75e3c
DD		 4853);
4854
64ca3a65 4855#else
9ba75e3c
DD		 4856MGVTBL_SET(
4857 PL_vtbl_sigelem,
4944113a
AL		 4858 MEMBER_TO_FPTR(Perl_magic_getsig),
4859 MEMBER_TO_FPTR(Perl_magic_setsig),
abdc98d4 4860 0,
4944113a 4861 MEMBER_TO_FPTR(Perl_magic_clearsig),
abdc98d4
NC		 4862 0,
4863 0,
4864 0,
4865 0
4944113a 4866);
9ba75e3c 4867#endif
4944113a
AL		 4868
4869MGVTBL_SET(
4870 PL_vtbl_pack,
abdc98d4
NC		 4871 0,
4872 0,
4944113a
AL		 4873 MEMBER_TO_FPTR(Perl_magic_sizepack),
4874 MEMBER_TO_FPTR(Perl_magic_wipepack),
abdc98d4
NC		 4875 0,
4876 0,
4877 0,
4878 0
4944113a
AL		 4879);
4880
4881MGVTBL_SET(
4882 PL_vtbl_packelem,
4883 MEMBER_TO_FPTR(Perl_magic_getpack),
4884 MEMBER_TO_FPTR(Perl_magic_setpack),
abdc98d4 4885 0,
4944113a 4886 MEMBER_TO_FPTR(Perl_magic_clearpack),
abdc98d4
NC		 4887 0,
4888 0,
4889 0,
4890 0
4944113a
AL		 4891);
4892
4893MGVTBL_SET(
4894 PL_vtbl_dbline,
abdc98d4 4895 0,
4944113a 4896 MEMBER_TO_FPTR(Perl_magic_setdbline),
abdc98d4
NC		 4897 0,
4898 0,
4899 0,
4900 0,
4901 0,
4902 0
4944113a
AL		 4903);
4904
4905MGVTBL_SET(
4906 PL_vtbl_isa,
abdc98d4 4907 0,
4944113a 4908 MEMBER_TO_FPTR(Perl_magic_setisa),
abdc98d4 4909 0,
4944113a 4910 MEMBER_TO_FPTR(Perl_magic_setisa),
0fa56319 4911 0,
abdc98d4
NC		 4912 0,
4913 0,
4914 0
4944113a
AL		 4915);
4916
4917MGVTBL_SET(
4918 PL_vtbl_isaelem,
abdc98d4 4919 0,
4944113a 4920 MEMBER_TO_FPTR(Perl_magic_setisa),
abdc98d4
NC		 4921 0,
4922 0,
4923 0,
4924 0,
4925 0,
4926 0
4944113a
AL		 4927);
4928
2e2109e1 4929MGVTBL_SET_CONST_MAGIC_GET(
4944113a
AL		 4930 PL_vtbl_arylen,
4931 MEMBER_TO_FPTR(Perl_magic_getarylen),
4932 MEMBER_TO_FPTR(Perl_magic_setarylen),
abdc98d4
NC		 4933 0,
4934 0,
4935 0,
4936 0,
4937 0,
4938 0
4944113a
AL		 4939);
4940
4941MGVTBL_SET(
83bf042f 4942 PL_vtbl_arylen_p,
abdc98d4
NC		 4943 0,
4944 0,
4945 0,
4946 0,
83bf042f 4947 MEMBER_TO_FPTR(Perl_magic_freearylen_p),
abdc98d4
NC		 4948 0,
4949 0,
4950 0
83bf042f
NC		 4951);
4952
4953MGVTBL_SET(
4944113a 4954 PL_vtbl_mglob,
abdc98d4 4955 0,
4944113a 4956 MEMBER_TO_FPTR(Perl_magic_setmglob),
abdc98d4
NC		 4957 0,
4958 0,
4959 0,
4960 0,
4961 0,
4962 0
4944113a
AL		 4963);
4964
4965MGVTBL_SET(
4966 PL_vtbl_nkeys,
4967 MEMBER_TO_FPTR(Perl_magic_getnkeys),
4968 MEMBER_TO_FPTR(Perl_magic_setnkeys),
abdc98d4
NC		 4969 0,
4970 0,
4971 0,
4972 0,
4973 0,
4974 0
4944113a
AL		 4975);
4976
4977MGVTBL_SET(
4978 PL_vtbl_taint,
4979 MEMBER_TO_FPTR(Perl_magic_gettaint),
4980 MEMBER_TO_FPTR(Perl_magic_settaint),
abdc98d4
NC		 4981 0,
4982 0,
4983 0,
4984 0,
4985 0,
4986 0
4944113a
AL		 4987);
4988
4989MGVTBL_SET(
4990 PL_vtbl_substr,
4991 MEMBER_TO_FPTR(Perl_magic_getsubstr),
4992 MEMBER_TO_FPTR(Perl_magic_setsubstr),
abdc98d4
NC		 4993 0,
4994 0,
4995 0,
4996 0,
4997 0,
4998 0
4944113a
AL		 4999);
5000
5001MGVTBL_SET(
5002 PL_vtbl_vec,
5003 MEMBER_TO_FPTR(Perl_magic_getvec),
5004 MEMBER_TO_FPTR(Perl_magic_setvec),
abdc98d4
NC		 5005 0,
5006 0,
5007 0,
5008 0,
5009 0,
5010 0
4944113a
AL		 5011);
5012
5013MGVTBL_SET(
5014 PL_vtbl_pos,
5015 MEMBER_TO_FPTR(Perl_magic_getpos),
5016 MEMBER_TO_FPTR(Perl_magic_setpos),
abdc98d4
NC		 5017 0,
5018 0,
5019 0,
5020 0,
5021 0,
5022 0
4944113a
AL		 5023);
5024
5025MGVTBL_SET(
5026 PL_vtbl_bm,
abdc98d4 5027 0,
488344d2 5028 MEMBER_TO_FPTR(Perl_magic_setregexp),
abdc98d4
NC		 5029 0,
5030 0,
5031 0,
5032 0,
5033 0,
5034 0
4944113a
AL		 5035);
5036
5037MGVTBL_SET(
5038 PL_vtbl_fm,
abdc98d4 5039 0,
488344d2 5040 MEMBER_TO_FPTR(Perl_magic_setregexp),
abdc98d4
NC		 5041 0,
5042 0,
5043 0,
5044 0,
5045 0,
5046 0
4944113a
AL		 5047);
5048
5049MGVTBL_SET(
5050 PL_vtbl_uvar,
5051 MEMBER_TO_FPTR(Perl_magic_getuvar),
5052 MEMBER_TO_FPTR(Perl_magic_setuvar),
abdc98d4
NC		 5053 0,
5054 0,
5055 0,
5056 0,
5057 0,
5058 0
4944113a
AL		 5059);
5060
5061MGVTBL_SET(
5062 PL_vtbl_defelem,
5063 MEMBER_TO_FPTR(Perl_magic_getdefelem),
5064 MEMBER_TO_FPTR(Perl_magic_setdefelem),
abdc98d4
NC		 5065 0,
5066 0,
5067 0,
5068 0,
5069 0,
5070 0
4944113a
AL		 5071);
5072
5073MGVTBL_SET(
5074 PL_vtbl_regexp,
abdc98d4 5075 0,
4944113a 5076 MEMBER_TO_FPTR(Perl_magic_setregexp),
abdc98d4
NC		 5077 0,
5078 0,
288b8c02 5079 0,
abdc98d4
NC		 5080 0,
5081 0,
5082 0
4944113a
AL		 5083);
5084
5085MGVTBL_SET(
5086 PL_vtbl_regdata,
abdc98d4
NC		 5087 0,
5088 0,
4944113a 5089 MEMBER_TO_FPTR(Perl_magic_regdata_cnt),
abdc98d4
NC		 5090 0,
5091 0,
5092 0,
5093 0,
5094 0
4944113a
AL		 5095);
5096
5097MGVTBL_SET(
5098 PL_vtbl_regdatum,
5099 MEMBER_TO_FPTR(Perl_magic_regdatum_get),
5100 MEMBER_TO_FPTR(Perl_magic_regdatum_set),
abdc98d4
NC		 5101 0,
5102 0,
5103 0,
5104 0,
5105 0,
5106 0
4944113a
AL		 5107);
5108
5109MGVTBL_SET(
5110 PL_vtbl_amagic,
abdc98d4 5111 0,
4944113a 5112 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5113 0,
5114 0,
4944113a 5115 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5116 0,
5117 0,
5118 0
4944113a
AL		 5119);
5120
5121MGVTBL_SET(
5122 PL_vtbl_amagicelem,
abdc98d4 5123 0,
4944113a 5124 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5125 0,
5126 0,
4944113a 5127 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5128 0,
5129 0,
5130 0
4944113a
AL		 5131);
5132
5133MGVTBL_SET(
5134 PL_vtbl_backref,
abdc98d4
NC		 5135 0,
5136 0,
5137 0,
5138 0,
4944113a 5139 MEMBER_TO_FPTR(Perl_magic_killbackrefs),
abdc98d4
NC		 5140 0,
5141 0,
5142 0
4944113a
AL		 5143);
5144
5145MGVTBL_SET(
5146 PL_vtbl_ovrld,
abdc98d4
NC		 5147 0,
5148 0,
5149 0,
5150 0,
4944113a 5151 MEMBER_TO_FPTR(Perl_magic_freeovrld),
abdc98d4
NC		 5152 0,
5153 0,
5154 0
4944113a
AL		 5155);
5156
5157MGVTBL_SET(
5158 PL_vtbl_utf8,
abdc98d4 5159 0,
4944113a 5160 MEMBER_TO_FPTR(Perl_magic_setutf8),
abdc98d4
NC		 5161 0,
5162 0,
5163 0,
5164 0,
5165 0,
5166 0
4944113a 5167);
36477c24 5168#ifdef USE_LOCALE_COLLATE
4944113a
AL		 5169MGVTBL_SET(
5170 PL_vtbl_collxfrm,
abdc98d4 5171 0,
4944113a 5172 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
abdc98d4
NC		 5173 0,
5174 0,
5175 0,
5176 0,
5177 0,
5178 0
4944113a 5179);
bbce6d69 5180#endif
a0d0e21e 5181
b3ca2e83
NC		 5182MGVTBL_SET(
5183 PL_vtbl_hintselem,
abdc98d4 5184 0,
b3ca2e83 5185 MEMBER_TO_FPTR(Perl_magic_sethint),
abdc98d4 5186 0,
b3ca2e83 5187 MEMBER_TO_FPTR(Perl_magic_clearhint),
abdc98d4
NC		 5188 0,
5189 0,
5190 0,
5191 0
b3ca2e83
NC		 5192);
5193
bab3dc31 5194#include "overload.h"
a0d0e21e 5195
73c4f7a1
GS		 5196END_EXTERN_C
5197
a6006777 5198struct am_table {
8175493d 5199 U32 flags;
eb160463 5200 U32 was_ok_sub;
a0d0e21e 5201 long was_ok_am;
a0d0e21e 5202 long fallback;
9bd87817 5203 CV* table[NofAMmeth];
a0d0e21e 5204};
a6006777 5205struct am_table_short {
8175493d 5206 U32 flags;
eb160463 5207 U32 was_ok_sub;
a6006777 5208 long was_ok_am;
a6006777 5209};
a0d0e21e 5210typedef struct am_table AMT;
a6006777 5211typedef struct am_table_short AMTS;
a0d0e21e
LW		 5212
5213#define AMGfallNEVER 1
5214#define AMGfallNO 2
5215#define AMGfallYES 3
5216
a6006777 5217#define AMTf_AMAGIC 1
32251b26 5218#define AMTf_OVERLOADED 2
a6006777 5219#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5220#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5221#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 5222#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
5223#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
5224#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 5225
32251b26 5226#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5227
5228/*
5229 * some compilers like to redefine cos et alia as faster
5230 * (and less accurate?) versions called F_cos et cetera (Quidquid
5231 * latine dictum sit, altum viditur.) This trick collides with
5232 * the Perl overloading (amg). The following #defines fool both.
5233 */
5234
5235#ifdef _FASTMATH
5236# ifdef atan2
5237# define F_atan2_amg atan2_amg
5238# endif
5239# ifdef cos
5240# define F_cos_amg cos_amg
5241# endif
5242# ifdef exp
5243# define F_exp_amg exp_amg
5244# endif
5245# ifdef log
5246# define F_log_amg log_amg
5247# endif
5248# ifdef pow
5249# define F_pow_amg pow_amg
5250# endif
5251# ifdef sin
5252# define F_sin_amg sin_amg
5253# endif
5254# ifdef sqrt
5255# define F_sqrt_amg sqrt_amg
5256# endif
5257#endif /* _FASTMATH */
5258
83ee9e09
GS		 5259#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5260 PERLDBf_NOOPT | PERLDBf_INTER | \
5261 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
06492da6
SF		 5262 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON )
5263 /* No _NONAME, _GOTO, _ASSERTION */
83ee9e09
GS		 5264#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5265#define PERLDBf_LINE 0x02 /* Keep line # */
5266#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5267#define PERLDBf_INTER 0x08 /* Preserve more data for
5268 later inspections */
5269#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5270#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5271#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5272#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5273#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5274#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
84902520 5275
3280af22
NIS		 5276#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5277#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5278#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5279#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5280#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5281#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5282#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5283#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5284#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5285#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
06492da6 5286#define PERLDB_ASSERTION (PL_perldb && (PL_perldb & PERLDBf_ASSERTION))
bbce6d69 5287
36477c24 5288#ifdef USE_LOCALE_NUMERIC
bbce6d69 5289
36477c24 5290#define SET_NUMERIC_STANDARD() \
ff4fed7c 5291 set_numeric_standard();
36477c24 5292
5293#define SET_NUMERIC_LOCAL() \
ff4fed7c 5294 set_numeric_local();
bbce6d69 5295
a98fe34d 5296#define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE)
2de3dbcc
JH		 5297#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
5298
5299#define IN_LOCALE \
923e4eb5 5300 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
2de3dbcc 5301
f93f4e46 5302#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 5303 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 5304 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 5305
5306#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 5307 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 5308 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 5309
5310#define RESTORE_NUMERIC_LOCAL() \
5311 if (was_local) SET_NUMERIC_LOCAL();
5312
5313#define RESTORE_NUMERIC_STANDARD() \
5314 if (was_standard) SET_NUMERIC_STANDARD();
5315
5b877257 5316#define Atof my_atof
097ee67d 5317
36477c24 5318#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5319
097ee67d
JH		 5320#define SET_NUMERIC_STANDARD() /**/
5321#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5322#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5323#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5324#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 5325#define RESTORE_NUMERIC_LOCAL() /**/
5326#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 5327#define Atof my_atof
ad3e0f90 5328#define IN_LOCALE_RUNTIME 0
bbce6d69 5329
36477c24 5330#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5331
079290de 5332#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5333# ifdef __hpux
5334# define strtoll __strtoll /* secret handshake */
5335# endif
c623ac67
GS		 5336# ifdef WIN64
5337# define strtoll _strtoi64 /* secret handshake */
5338# endif
079290de
GS		 5339# if !defined(Strtol) && defined(HAS_STRTOLL)
5340# define Strtol strtoll
ad551343 5341# endif
28e5dec8
JH		 5342# if !defined(Strtol) && defined(HAS_STRTOQ)
5343# define Strtol strtoq
5344# endif
ff935051 5345/* is there atoq() anywhere? */
15b99d39 5346#endif
079290de
GS		 5347#if !defined(Strtol) && defined(HAS_STRTOL)
5348# define Strtol strtol
5349#endif
5350#ifndef Atol
5351/* It would be more fashionable to use Strtol() to define atol()
5352 * (as is done for Atoul(), see below) but for backward compatibility
5353 * we just assume atol(). */
76b882ba 5354# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 5355# ifdef WIN64
5356# define atoll _atoi64 /* secret handshake */
5357# endif
76b882ba
JH		 5358# define Atol atoll
5359# else
5360# define Atol atol
5361# endif
cf2093f6
JH		 5362#endif
5363
55eb892c 5364#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5365# ifdef __hpux
5366# define strtoull __strtoull /* secret handshake */
5367# endif
c623ac67
GS		 5368# ifdef WIN64
5369# define strtoull _strtoui64 /* secret handshake */
5370# endif
ad551343 5371# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5372# define Strtoul strtoull
15b99d39 5373# endif
079290de
GS		 5374# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5375# define Strtoul strtouq
5376# endif
76d49b1c 5377/* is there atouq() anywhere? */
ad551343 5378#endif
079290de
GS		 5379#if !defined(Strtoul) && defined(HAS_STRTOUL)
5380# define Strtoul strtoul
cf2093f6 5381#endif
a5523c5b
JH		 5382#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5383# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5384#endif
079290de 5385#ifndef Atoul
d4c19fe8 5386# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5387#endif
cf2093f6 5388
760ac839 5389
06d86050
GS		 5390/* if these never got defined, they need defaults */
5391#ifndef PERL_SET_CONTEXT
5392# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5393#endif
5394
5395#ifndef PERL_GET_CONTEXT
5396# define PERL_GET_CONTEXT PERL_GET_INTERP
5397#endif
5398
5399#ifndef PERL_GET_THX
5400# define PERL_GET_THX ((void*)NULL)
5401#endif
5402
5403#ifndef PERL_SET_THX
5404# define PERL_SET_THX(t) NOOP
5405#endif
5406
a868473f
NIS		 5407#ifndef PERL_SCRIPT_MODE
5408#define PERL_SCRIPT_MODE "r"
5409#endif
5410
fba3b22e 5411/*
da927450
JH		 5412 * Some operating systems are stingy with stack allocation,
5413 * so perl may have to guard against stack overflow.
5414 */
5415#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5416#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5417#endif
5418
5419/*
5420 * Some nonpreemptive operating systems find it convenient to
5421 * check for asynchronous conditions after each op execution.
5422 * Keep this check simple, or it may slow down execution
5423 * massively.
5424 */
ce08f86c 5425
1d615522 5426#ifndef PERL_MICRO
4ffa73a3
JH		 5427# ifndef PERL_ASYNC_CHECK
5428# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
5429# endif
ce08f86c
NIS		 5430#endif
5431
da927450 5432#ifndef PERL_ASYNC_CHECK
1d615522 5433# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5434#endif
5435
5436/*
5437 * On some operating systems, a memory allocation may succeed,
5438 * but put the process too close to the system's comfort limit.
5439 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5440 * it to NULL.
5441 */
5442#ifndef PERL_ALLOC_CHECK
c2af87cb 5443#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5444#endif
5445
bd89102f
AD		 5446#ifdef HAS_SEM
5447# include <sys/ipc.h>
5448# include <sys/sem.h>
5449# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5450 union semun {
dbba660d
TC		 5451 int val;
5452 struct semid_ds *buf;
5453 unsigned short *array;
bd89102f
AD		 5454 };
5455# endif
5456# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5457# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5458 union gccbug_semun {
5459 int val;
5460 struct semid_ds *buf;
5461 unsigned short *array;
5462 char __dummy[5];
5463 };
5464# define semun gccbug_semun
5465# endif
bd89102f
AD		 5466# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5467# else
5468# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5469# ifdef EXTRA_F_IN_SEMUN_BUF
5470# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5471# else
5472# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5473# endif
bd89102f
AD		 5474# endif
5475# endif
bd89102f 5476#endif
49f531da 5477
89ca4ac7
JH		 5478/*
5479 * Boilerplate macros for initializing and accessing interpreter-local
5480 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 5481 * this, if you want to make the extension thread-safe. See
5482 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5483 * and perlxs.pod for more.
89ca4ac7
JH		 5484 *
5485 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5486 * 1. #define MY_CXT_KEY to a unique string, e.g.
5487 * "DynaLoader::_guts" XS_VERSION
f16dd614 5488 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5489 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5490 * all the data that needs to be interpreter-local.
5491 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5492 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5493 * (typically put in the BOOT: section).
5494 * 5. Use the members of the my_cxt_t structure everywhere as
5495 * MY_CXT.member.
5496 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5497 * access MY_CXT.
5498 */
5499
fc958cd2 5500#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 5501
53d44271
JH		 5502#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5503
5504/* This must appear in all extensions that define a my_cxt_t structure,
5505 * right after the definition (i.e. at file scope). The non-threads
5506 * case below uses it to declare the data as static. */
5507#define START_MY_CXT
5508#define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5509
5510/* Creates and zeroes the per-interpreter data.
5511 * (We allocate my_cxtp in a Perl SV so that it will be released when
5512 * the interpreter goes away.) */
5513#define MY_CXT_INIT \
5514 my_cxt_t *my_cxtp = \
5515 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_KEY, sizeof(my_cxt_t))
5516#define MY_CXT_INIT_INTERP(my_perl) \
5517 my_cxt_t *my_cxtp = \
5518 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_KEY, sizeof(my_cxt_t))
5519
5520/* This declaration should be used within all functions that use the
5521 * interpreter-local data. */
5522#define dMY_CXT \
5523 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
5524#define dMY_CXT_INTERP(my_perl) \
5525 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5526
5527/* Clones the per-interpreter data. */
5528#define MY_CXT_CLONE \
5529 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5530 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5531 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5532
5533#else /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
5534
89ca4ac7
JH		 5535/* This must appear in all extensions that define a my_cxt_t structure,
5536 * right after the definition (i.e. at file scope). The non-threads
5537 * case below uses it to declare the data as static. */
f16dd614 5538#define START_MY_CXT static int my_cxt_index = -1;
89ca4ac7
JH		 5539
5540/* This declaration should be used within all functions that use the
5541 * interpreter-local data. */
5542#define dMY_CXT \
f16dd614
DM		 5543 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[my_cxt_index]
5544#define dMY_CXT_INTERP(my_perl) \
5545 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[my_cxt_index]
89ca4ac7
JH		 5546
5547/* Creates and zeroes the per-interpreter data.
5548 * (We allocate my_cxtp in a Perl SV so that it will be released when
5549 * the interpreter goes away.) */
5550#define MY_CXT_INIT \
f16dd614
DM		 5551 my_cxt_t *my_cxtp = \
5552 (my_cxt_t*)Perl_my_cxt_init(aTHX_ &my_cxt_index, sizeof(my_cxt_t))
5553#define MY_CXT_INIT_INTERP(my_perl) \
5554 my_cxt_t *my_cxtp = \
5555 (my_cxt_t*)Perl_my_cxt_init(my_perl, &my_cxt_index, sizeof(my_cxt_t))
89ca4ac7 5556
8fba5d14
MHM		 5557/* Clones the per-interpreter data. */
5558#define MY_CXT_CLONE \
8fba5d14 5559 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
f16dd614
DM		 5560 Copy(PL_my_cxt_list[my_cxt_index], my_cxtp, 1, my_cxt_t);\
5561 PL_my_cxt_list[my_cxt_index] = my_cxtp \
8fba5d14 5562
53d44271
JH		 5563#endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
5564
89ca4ac7
JH		 5565/* This macro must be used to access members of the my_cxt_t structure.
5566 * e.g. MYCXT.some_data */
5567#define MY_CXT (*my_cxtp)
5568
5569/* Judicious use of these macros can reduce the number of times dMY_CXT
5570 * is used. Use is similar to pTHX, aTHX etc. */
5571#define pMY_CXT my_cxt_t *my_cxtp
5572#define pMY_CXT_ pMY_CXT,
5573#define _pMY_CXT ,pMY_CXT
5574#define aMY_CXT my_cxtp
5575#define aMY_CXT_ aMY_CXT,
5576#define _aMY_CXT ,aMY_CXT
5577
f16dd614 5578#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7
JH		 5579
5580#define START_MY_CXT static my_cxt_t my_cxt;
5581#define dMY_CXT_SV dNOOP
5582#define dMY_CXT dNOOP
9568a123 5583#define dMY_CXT_INTERP(my_perl) dNOOP
89ca4ac7 5584#define MY_CXT_INIT NOOP
8fba5d14 5585#define MY_CXT_CLONE NOOP
89ca4ac7
JH		 5586#define MY_CXT my_cxt
5587
5588#define pMY_CXT void
5589#define pMY_CXT_
5590#define _pMY_CXT
5591#define aMY_CXT
5592#define aMY_CXT_
5593#define _aMY_CXT
5594
f16dd614 5595#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5596
9a34ef1d
GS		 5597#ifdef I_FCNTL
5598# include <fcntl.h>
9a34ef1d
GS		 5599#endif
5600
9cffb111
OS		 5601#ifdef __Lynx__
5602# include <fcntl.h>
5603#endif
5604
9a34ef1d
GS		 5605#ifdef I_SYS_FILE
5606# include <sys/file.h>
5607#endif
5608
fa0a29af 5609#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5610int flock(int fd, int op);
5611#endif
5612
fe52b3b7
GS		 5613#ifndef O_RDONLY
5614/* Assume UNIX defaults */
5615# define O_RDONLY 0000
5616# define O_WRONLY 0001
5617# define O_RDWR 0002
5618# define O_CREAT 0100
5619#endif
9a34ef1d 5620
16fe6d59
GS		 5621#ifndef O_BINARY
5622# define O_BINARY 0
5623#endif
5624
5625#ifndef O_TEXT
5626# define O_TEXT 0
5627#endif
5628
6ce75a77
JH		 5629#if O_TEXT != O_BINARY
5630 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5631 * that is, you are somehow DOSish. */
538204d5 5632# if defined(__BEOS__) || defined(__VOS__) || defined(__CYGWIN__)
a6e45062
JH		 5633 /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5634 * BeOS is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5635 /* VOS has O_TEXT != O_BINARY, and they have effect,
5636 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5637 /* If you have O_TEXT different from your O_BINARY but you still are
5638 * not a CRLF shop. */
35990314 5639# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5640# else
5641 /* If you really are DOSish. */
5642# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5643# endif
5644#endif
5645
104d25b7
JH		 5646#ifdef IAMSUID
5647
5648#ifdef I_SYS_STATVFS
9f982a77
IG		 5649# if defined(PERL_SCO) && !defined(_SVID3)
5650# define _SVID3
5651# endif
32b3cf08
JH		 5652# include <sys/statvfs.h> /* for f?statvfs() */
5653#endif
5654#ifdef I_SYS_MOUNT
5655# include <sys/mount.h> /* for *BSD f?statfs() */
5656#endif
5657#ifdef I_MNTENT
5658# include <mntent.h> /* for getmntent() */
104d25b7 5659#endif
0545a864
JH		 5660#ifdef I_SYS_STATFS
5661# include <sys/statfs.h> /* for some statfs() */
5662#endif
5663#ifdef I_SYS_VFS
8d9e1a19
GS		 5664# ifdef __sgi
5665# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
5666# endif
5667# include <sys/vfs.h> /* for some statfs() */
5668# ifdef __sgi
5669# undef IRIX_sv
5670# endif
0545a864
JH		 5671#endif
5672#ifdef I_USTAT
5673# include <ustat.h> /* for ustat() */
5674#endif
5675
5676#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
5677# define PERL_MOUNT_NOSUID MOUNT_NOSUID
5678#endif
5679#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
5680# define PERL_MOUNT_NOSUID MNT_NOSUID
5681#endif
5682#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
5683# define PERL_MOUNT_NOSUID MS_NOSUID
5684#endif
5685#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
5686# define PERL_MOUNT_NOSUID M_NOSUID
5687#endif
104d25b7 5688
ae3f3efd
PS		 5689#if !defined(PERL_MOUNT_NOEXEC) && defined(MOUNT_NOEXEC)
5690# define PERL_MOUNT_NOEXEC MOUNT_NOEXEC
5691#endif
5692#if !defined(PERL_MOUNT_NOEXEC) && defined(MNT_NOEXEC)
5693# define PERL_MOUNT_NOEXEC MNT_NOEXEC
5694#endif
5695#if !defined(PERL_MOUNT_NOEXEC) && defined(MS_NOEXEC)
5696# define PERL_MOUNT_NOEXEC MS_NOEXEC
5697#endif
5698#if !defined(PERL_MOUNT_NOEXEC) && defined(M_NOEXEC)
5699# define PERL_MOUNT_NOEXEC M_NOEXEC
5700#endif
5701
104d25b7
JH		 5702#endif /* IAMSUID */
5703
4bc88a62
PS		 5704#ifdef I_LIBUTIL
5705# include <libutil.h> /* setproctitle() in some FreeBSDs */
5706#endif
5707
b4748376 5708#ifndef EXEC_ARGV_CAST
360ea906 5709#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 5710#endif
5711
dd5dc04f
JH		 5712#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5713 int). value returned in pointed-
5714 to UV */
5715#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5716#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5717#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5718#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5719#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5720
5721#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5722
53305cf1
NC		 5723/* Input flags: */
5724#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5725#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5726#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 5727/* Output flags: */
5728#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5729
2c4f7f0e
DM		 5730/* to let user control profiling */
5731#ifdef PERL_GPROF_CONTROL
5732extern void moncontrol(int);
5733#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5734#else
5735#define PERL_GPROF_MONCONTROL(x)
5736#endif
5737
ae0e3d3b
JH		 5738#ifdef UNDER_CE
5739#include "wince.h"
5740#endif
5741
5742/* ISO 6429 NEL - C1 control NExt Line */
5743/* See http://www.unicode.org/unicode/reports/tr13/ */
5744#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
5745# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
5746# define NEXT_LINE_CHAR 0x15
5747# else /* CDRA */
5748# define NEXT_LINE_CHAR 0x25
5749# endif
5750#else
5751# define NEXT_LINE_CHAR 0x85
5752#endif
5753
5754/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5755#define UNICODE_LINE_SEPA_0 0xE2
5756#define UNICODE_LINE_SEPA_1 0x80
5757#define UNICODE_LINE_SEPA_2 0xA8
5758#define UNICODE_PARA_SEPA_0 0xE2
5759#define UNICODE_PARA_SEPA_1 0x80
5760#define UNICODE_PARA_SEPA_2 0xA9
5761
479b2847
GS		 5762#ifndef PIPESOCK_MODE
5763# define PIPESOCK_MODE
5764#endif
5765
460c8493
IZ		 5766#ifndef SOCKET_OPEN_MODE
5767# define SOCKET_OPEN_MODE PIPESOCK_MODE
5768#endif
5769
5770#ifndef PIPE_OPEN_MODE
5771# define PIPE_OPEN_MODE PIPESOCK_MODE
5772#endif
5773
7e8c5dac
HS		 5774#define PERL_MAGIC_UTF8_CACHESIZE 2
5775
a05d7ebb
JH		 5776#define PERL_UNICODE_STDIN_FLAG 0x0001
5777#define PERL_UNICODE_STDOUT_FLAG 0x0002
5778#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5779#define PERL_UNICODE_IN_FLAG 0x0008
5780#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5781#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5782#define PERL_UNICODE_LOCALE_FLAG 0x0040
5783#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 5784#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 5785
06e66572
JH		 5786#define PERL_UNICODE_STD_FLAG \
5787 (PERL_UNICODE_STDIN_FLAG | \
5788 PERL_UNICODE_STDOUT_FLAG | \
5789 PERL_UNICODE_STDERR_FLAG)
5790
5791#define PERL_UNICODE_INOUT_FLAG \
5792 (PERL_UNICODE_IN_FLAG | \
5793 PERL_UNICODE_OUT_FLAG)
5794
5795#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5796 (PERL_UNICODE_STD_FLAG | \
5797 PERL_UNICODE_INOUT_FLAG | \
5798 PERL_UNICODE_LOCALE_FLAG)
5799
5a22a2bb 5800#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 5801
5802#define PERL_UNICODE_STDIN 'I'
5803#define PERL_UNICODE_STDOUT 'O'
5804#define PERL_UNICODE_STDERR 'E'
5805#define PERL_UNICODE_STD 'S'
5806#define PERL_UNICODE_IN 'i'
5807#define PERL_UNICODE_OUT 'o'
5808#define PERL_UNICODE_INOUT 'D'
5809#define PERL_UNICODE_ARGV 'A'
5810#define PERL_UNICODE_LOCALE 'L'
5811#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 5812#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 5813
4ffa73a3
JH		 5814#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5815
16bd9a85
JH		 5816/* From sigaction(2) (FreeBSD man page):
5817 * | Signal routines normally execute with the signal that
5818 * | caused their invocation blocked, but other signals may
5819 * | yet occur.
5820 * Emulation of this behavior (from within Perl) is enabled
5821 * by defining PERL_BLOCK_SIGNALS.
5822 */
5823#define PERL_BLOCK_SIGNALS
5824
5825#if defined(HAS_SIGPROCMASK) && defined(PERL_BLOCK_SIGNALS)
5826# define PERL_BLOCKSIG_ADD(set,sig) \
5827 sigset_t set; sigemptyset(&(set)); sigaddset(&(set), sig)
5828# define PERL_BLOCKSIG_BLOCK(set) \
5829 sigprocmask(SIG_BLOCK, &(set), NULL)
5830# define PERL_BLOCKSIG_UNBLOCK(set) \
5831 sigprocmask(SIG_UNBLOCK, &(set), NULL)
5832#endif /* HAS_SIGPROCMASK && PERL_BLOCK_SIGNALS */
5833
5834/* How about the old style of sigblock()? */
5835
5836#ifndef PERL_BLOCKSIG_ADD
5837# define PERL_BLOCKSIG_ADD(set, sig) NOOP
5838#endif
5839#ifndef PERL_BLOCKSIG_BLOCK
5840# define PERL_BLOCKSIG_BLOCK(set) NOOP
5841#endif
2bfba5f0 5842#ifndef PERL_BLOCKSIG_UNBLOCK
16bd9a85
JH		 5843# define PERL_BLOCKSIG_UNBLOCK(set) NOOP
5844#endif
5845
32fdb065 5846/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5847 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5848#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5849
3c0f78ca
JH		 5850#if defined(__DECC) && defined(__osf__)
5851#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 5852#endif
5853
e4dba786
NC		 5854#define do_open(g, n, l, a, rm, rp, sf) \
5855 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 5856#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 5857# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 5858#endif
15871fce
NC		 5859#ifdef OS2
5860# define do_aexec Perl_do_aexec
5861#else
5862# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 5863#endif
e4dba786 5864
2f3efc97
JH		 5865#if defined(OEMVS)
5866#define NO_ENV_ARRAY_IN_MAIN
5867#endif
5868
10edeb5d
JH		 5869/* These are used by Perl_pv_escape() and Perl_pv_pretty()
5870 * are here so that they are available throughout the core
5871 * NOTE that even though some are for _escape and some for _pretty
5872 * there must not be any clashes as the flags from _pretty are
5873 * passed straight through to _escape.
5874 */
5875
5876#define PERL_PV_ESCAPE_QUOTE 0x0001
5877#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
5878
95b611b0 5879#define PERL_PV_PRETTY_ELLIPSES 0x0002
10edeb5d
JH		 5880#define PERL_PV_PRETTY_LTGT 0x0004
5881
5882#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
5883
5884#define PERL_PV_ESCAPE_UNI 0x0100
5885#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
5886
5887#define PERL_PV_ESCAPE_ALL 0x1000
5888#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
5889#define PERL_PV_ESCAPE_NOCLEAR 0x4000
44a2ac75 5890#define PERL_PV_ESCAPE_RE 0x8000
10edeb5d 5891
881a015e
NC		 5892#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
5893
10edeb5d 5894/* used by pv_display in dump.c*/
95b611b0
RGS		 5895#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
5896#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE
10edeb5d
JH		 5897
5898/*
5899
5900 (KEEP THIS LAST IN perl.h!)
5901
5902 Mention
d460ef45 5903
43999f95 5904 NV_PRESERVES_UV
fe749a9f 5905
fe749a9f
JH		 5906 HAS_MKSTEMP
5907 HAS_MKSTEMPS
5908 HAS_MKDTEMP
5909
49dabb45
JH		 5910 HAS_GETCWD
5911
d59b5429 5912 HAS_MMAP
fe749a9f
JH		 5913 HAS_MPROTECT
5914 HAS_MSYNC
1e8c3fde 5915 HAS_MADVISE
fe749a9f
JH		 5916 HAS_MUNMAP
5917 I_SYSMMAN
5918 Mmap_t
5919
6b4667fc
A		 5920 NVef
5921 NVff
5922 NVgf
5923
4e0554ec 5924 HAS_UALARM
2d736872 5925 HAS_USLEEP
4e0554ec
JH		 5926
5927 HAS_SETITIMER
5928 HAS_GETITIMER
5929
5930 HAS_SENDMSG
5931 HAS_RECVMSG
5932 HAS_READV
5933 HAS_WRITEV
5934 I_SYSUIO
5935 HAS_STRUCT_MSGHDR
5936 HAS_STRUCT_CMSGHDR
5937
2765b840 5938 HAS_NL_LANGINFO
0a7020c9 5939
ae0e3d3b 5940 HAS_DIRFD
2765b840 5941
10edeb5d 5942 so that Configure picks them up.
ab3bbdeb 5943
10edeb5d 5944 (KEEP THIS LAST IN perl.h!)
3df15adc 5945
10edeb5d 5946*/
3df15adc 5947
85e6fe83 5948#endif /* Include guard */
e9a8c099
MHM		 5949
5950/*
5951 * Local variables:
5952 * c-indentation-style: bsd
5953 * c-basic-offset: 4
5954 * indent-tabs-mode: t
5955 * End:
5956 *
5957 * ex: set ts=8 sts=4 sw=4 noet:
5958 */
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