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Remove completed perltodo entry
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a0d0e21e 1/* perl.h
a687059c 2 *
1129b882
NC		 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008 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
ec2019ad
NC		 44/* This logic needs to come after reading config.h, but before including
45 proto.h */
46#ifdef IAMSUID
47# ifndef DOSUID
48# define DOSUID
49# endif
50#endif
51
52#ifdef SETUID_SCRIPTS_ARE_SECURE_NOW
53# ifdef DOSUID
54# undef DOSUID
55# endif
56# ifdef IAMSUID
57# undef IAMSUID
58# define SETUID_SCRIPTS_ARE_SECURE_NOW_AND_IAMSUID
59# endif
60#endif
61
2c2d71f5
JH		 62/* See L<perlguts/"The Perl API"> for detailed notes on
63 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
64
ac6bedea
JH		 65/* Note that from here --> to <-- the same logic is
66 * repeated in makedef.pl, so be certain to update
67 * both places when editing. */
68
894ccb8c
JH		 69#ifdef PERL_IMPLICIT_SYS
70/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
71 so use slab allocator to avoid lots of MUTEX overhead
72 */
73# ifndef PL_OP_SLAB_ALLOC
74# define PL_OP_SLAB_ALLOC
75# endif
ba979b31
NIS		 76#endif
77
6f4183fe 78#ifdef USE_ITHREADS
acfe0abc 79# if !defined(MULTIPLICITY)
6f4183fe
GS		 80# define MULTIPLICITY
81# endif
82#endif
83
27da23d5
JH		 84#ifdef PERL_GLOBAL_STRUCT_PRIVATE
85# ifndef PERL_GLOBAL_STRUCT
86# define PERL_GLOBAL_STRUCT
87# endif
88#endif
97aff369 89
27da23d5
JH		 90#ifdef PERL_GLOBAL_STRUCT
91# ifndef MULTIPLICITY
92# define MULTIPLICITY
93# endif
94#endif
95
97aff369
JH		 96#ifdef MULTIPLICITY
97# ifndef PERL_IMPLICIT_CONTEXT
98# define PERL_IMPLICIT_CONTEXT
99# endif
100#endif
101
026fd48b
GH		 102/* undef WIN32 when building on Cygwin (for libwin32) - gph */
103#ifdef __CYGWIN__
104# undef WIN32
105# undef _WIN32
106#endif
107
27da23d5
JH		 108#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
109# ifndef SYMBIAN
110# define SYMBIAN
111# endif
112#endif
113
a0fd4948 114#ifdef __SYMBIAN32__
27da23d5
JH		 115# include "symbian/symbian_proto.h"
116#endif
117
118/* Any stack-challenged places. The limit varies (and often
119 * is configurable), but using more than a kilobyte of stack
120 * is usually dubious in these systems. */
a0fd4948 121#if defined(EPOC) || defined(__SYMBIAN32__)
27da23d5
JH		 122/* EPOC/Symbian: need to work around the SDK features. *
123 * On WINS: MS VC5 generates calls to _chkstk, *
124 * if a "large" stack frame is allocated. *
125 * gcc on MARM does not generate calls like these. */
126# define USE_HEAP_INSTEAD_OF_STACK
127#endif
128
129#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 130/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 131#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 132# define USE_REENTRANT_API
133#endif
134
ac6bedea
JH		 135/* <--- here ends the logic shared by perl.h and makedef.pl */
136
af28e889 137/*
6239f2da
JH		 138 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
139 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 140 * __bsdi__ for BSD/OS
141 */
6239f2da 142#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 143# ifndef BSDish
144# define BSDish
145# endif
146#endif
147
27da23d5
JH		 148#ifdef PERL_GLOBAL_STRUCT
149# ifndef PERL_GET_VARS
150# ifdef PERL_GLOBAL_STRUCT_PRIVATE
151 extern struct perl_vars* Perl_GetVarsPrivate();
152# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
153# ifndef PERLIO_FUNCS_CONST
154# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
155# endif
156# else
157# define PERL_GET_VARS() PL_VarsPtr
158# endif
159# endif
160#endif
161
7a89be66 162#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH		 163
164#ifdef PERL_GLOBAL_STRUCT
165# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
166#else
167# define dVAR dNOOP
168#endif
169
c5be433b 170#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 171# ifndef MULTIPLICITY
172# define MULTIPLICITY
c5be433b 173# endif
e8dda941 174# define tTHX PerlInterpreter*
5ba4cab2 175# define pTHX register tTHX my_perl PERL_UNUSED_DECL
3db8f154 176# define aTHX my_perl
27da23d5 177# ifdef PERL_GLOBAL_STRUCT
e8dda941 178# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 179# else
e8dda941 180# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH		 181# endif
182# ifdef PERL_GLOBAL_STRUCT
183# define dTHX dVAR; pTHX = PERL_GET_THX
184# else
185# define dTHX pTHX = PERL_GET_THX
186# endif
c5be433b 187# define pTHX_ pTHX,
c5be433b 188# define aTHX_ aTHX,
4373e329 189# define pTHX_1 2
894356b3
GS		 190# define pTHX_2 3
191# define pTHX_3 4
192# define pTHX_4 5
4373e329
AL		 193# define pTHX_5 6
194# define pTHX_6 7
a3b680e6
AL		 195# define pTHX_7 8
196# define pTHX_8 9
197# define pTHX_9 10
e8dda941
JD		 198# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
199# define PERL_TRACK_MEMPOOL
200# endif
201#else
202# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 203#endif
204
76e3520e
GS		 205#define STATIC static
206#define CPERLscope(x) x
565764a8 207#define CPERLarg void
76e3520e 208#define CPERLarg_
e3b8966e 209#define _CPERLarg
1d583055
GS		 210#define PERL_OBJECT_THIS
211#define _PERL_OBJECT_THIS
212#define PERL_OBJECT_THIS_
312caa8e 213#define CALL_FPTR(fptr) (*fptr)
76e3520e 214
312caa8e 215#define CALLRUNOPS CALL_FPTR(PL_runops)
f9f4320a 216
3ab4a224 217#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 218
3ab4a224
AB		 219#define CALLREGCOMP_ENG(prog, sv, flags) \
220 CALL_FPTR(((prog)->comp))(aTHX_ sv, flags)
f9f4320a 221#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
07bc277f 222 CALL_FPTR(RX_ENGINE(prog)->exec)(aTHX_ (prog),(stringarg),(strend), \
f9f4320a
YO		 223 (strbeg),(minend),(screamer),(data),(flags))
224#define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \
07bc277f 225 CALL_FPTR(RX_ENGINE(prog)->intuit)(aTHX_ (prog), (sv), (strpos), \
f9f4320a
YO		 226 (strend),(flags),(data))
227#define CALLREG_INTUIT_STRING(prog) \
07bc277f 228 CALL_FPTR(RX_ENGINE(prog)->checkstr)(aTHX_ (prog))
f8149455 229
f8149455
YO		 230#define CALLREGFREE(prog) \
231 Perl_pregfree(aTHX_ (prog))
232
233#define CALLREGFREE_PVT(prog) \
07bc277f 234 if(prog) CALL_FPTR(RX_ENGINE(prog)->free)(aTHX_ (prog))
f8149455 235
2fdbfb4d 236#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
07bc277f 237 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_FETCH)(aTHX_ (rx),(paren),(usesv))
93b32b6d 238
2fdbfb4d 239#define CALLREG_NUMBUF_STORE(rx,paren,value) \
07bc277f 240 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_STORE)(aTHX_ (rx),(paren),(value))
2fdbfb4d
AB		 241
242#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
07bc277f 243 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_LENGTH)(aTHX_ (rx),(sv),(paren))
2fdbfb4d 244
192b9cd1 245#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
07bc277f 246 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
192b9cd1
AB		 247
248#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
07bc277f 249 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
192b9cd1
AB		 250
251#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
07bc277f 252 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB		 253
254#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
07bc277f 255 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB		 256
257#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
07bc277f 258 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB		 259
260#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
07bc277f 261 CALL_FPTR(RX_ENGINE(rx)->named_buff_iter)(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB		 262
263#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
07bc277f 264 CALL_FPTR(RX_ENGINE(rx)->named_buff_iter)(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB		 265
266#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
07bc277f 267 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
AB		 268
269#define CALLREG_NAMED_BUFF_COUNT(rx) \
07bc277f 270 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
192b9cd1
AB		 271
272#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
07bc277f 273 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 274
49d7dfbc 275#define CALLREG_PACKAGE(rx) \
07bc277f 276 CALL_FPTR(RX_ENGINE(rx)->qr_package)(aTHX_ (rx))
93b32b6d 277
f9f4320a
YO		 278#if defined(USE_ITHREADS)
279#define CALLREGDUPE(prog,param) \
f8149455
YO		 280 Perl_re_dup(aTHX_ (prog),(param))
281
282#define CALLREGDUPE_PVT(prog,param) \
07bc277f 283 (prog ? CALL_FPTR(RX_ENGINE(prog)->dupe)(aTHX_ (prog),(param)) \
f9f4320a
YO		 284 : (REGEXP *)NULL)
285#endif
14dd3ad8 286
a20207d7 287
bcdf7404 288
a20207d7
YO		 289
290
5ba4cab2
SH		 291/*
292 * Because of backward compatibility reasons the PERL_UNUSED_DECL
293 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
294 *
295 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 296 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 297 * marking unused variables (they need e.g. a #pragma) and therefore
298 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
299 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
300 *
301 */
1266ad8c 302
9969cdde 303#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 304# ifdef __cplusplus
5ba4cab2 305# define PERL_UNUSED_DECL
5b2bd0a5 306# else
5ba4cab2 307# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 308# endif
309#endif
44dbb695 310
5b2bd0a5 311#ifndef PERL_UNUSED_DECL
34659ad4 312# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 313# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 314# else
5ba4cab2 315# define PERL_UNUSED_DECL
b79c357a 316# endif
5b2bd0a5
AMS		 317#endif
318
349b520e
DM		 319/* gcc -Wall:
320 * for silencing unused variables that are actually used most of the time,
a0288114 321 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 322 */
53c1dcc0 323#ifndef PERL_UNUSED_ARG
c99ffe5e 324# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 325# include <note.h>
53c1dcc0 326# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 327# else
53c1dcc0 328# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 329# endif
330#endif
53c1dcc0
AL		 331#ifndef PERL_UNUSED_VAR
332# define PERL_UNUSED_VAR(x) ((void)x)
333#endif
ad73156c 334
96a5add6
AL		 335#ifdef USE_ITHREADS
336# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
337#else
338# define PERL_UNUSED_CONTEXT
339#endif
340
6f207bd3 341#define NOOP /*EMPTY*/(void)0
6b484a99
JH		 342#if !defined(HASATTRIBUTE_UNUSED) && defined(__cplusplus)
343#define dNOOP /*EMPTY*/(void)0 /* Older g++ has no __attribute((unused))__ */
344#else
6f207bd3 345#define dNOOP extern int /*@unused@*/ Perl___notused PERL_UNUSED_DECL
6b484a99 346#endif
71be2cbc 347
0cb96387 348#ifndef pTHX
e8dda941
JD		 349/* Don't bother defining tTHX and sTHX; using them outside
350 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
351 */
0cb96387
GS		 352# define pTHX void
353# define pTHX_
0cb96387
GS		 354# define aTHX
355# define aTHX_
0cb96387
GS		 356# define dTHXa(a) dNOOP
357# define dTHX dNOOP
894356b3
GS		 358# define pTHX_1 1
359# define pTHX_2 2
360# define pTHX_3 3
361# define pTHX_4 4
3d42dc86
RGS		 362# define pTHX_5 5
363# define pTHX_6 6
a3b680e6
AL		 364# define pTHX_7 7
365# define pTHX_8 8
366# define pTHX_9 9
0cb96387
GS		 367#endif
368
27da23d5
JH		 369#ifndef dVAR
370# define dVAR dNOOP
371#endif
372
b4f7f263
GS		 373/* these are only defined for compatibility; should not be used internally */
374#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 375# define pTHXo pTHX
376# define pTHXo_ pTHX_
0cb96387
GS		 377# define aTHXo aTHX
378# define aTHXo_ aTHX_
c5be433b 379# define dTHXo dTHX
71d280e3 380# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 381#endif
382
383#ifndef pTHXx
384# define pTHXx register PerlInterpreter *my_perl
385# define pTHXx_ pTHXx,
0cb96387
GS		 386# define aTHXx my_perl
387# define aTHXx_ aTHXx,
c5be433b 388# define dTHXx dTHX
22c35a8c 389#endif
71be2cbc 390
1de7c2ac
GS		 391/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
392 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
393 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
394#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 395# ifdef PERL_GLOBAL_STRUCT_PRIVATE
396# define dTHXs dVAR; dTHX
397# else
398# define dTHXs dTHX
399# endif
1de7c2ac 400#else
27da23d5
JH		 401# ifdef PERL_GLOBAL_STRUCT_PRIVATE
402# define dTHXs dVAR
403# else
404# define dTHXs dNOOP
405# endif
1de7c2ac
GS		 406#endif
407
326b05e3
GS		 408#undef START_EXTERN_C
409#undef END_EXTERN_C
410#undef EXTERN_C
32f822de
GS		 411#ifdef __cplusplus
412# define START_EXTERN_C extern "C" {
413# define END_EXTERN_C }
414# define EXTERN_C extern "C"
415#else
d460ef45
NIS		 416# define START_EXTERN_C
417# define END_EXTERN_C
73c4f7a1 418# define EXTERN_C extern
32f822de
GS		 419#endif
420
27da23d5
JH		 421/* Some platforms require marking function declarations
422 * for them to be exportable. Used in perlio.h, proto.h
423 * is handled either by the makedef.pl or by defining the
424 * PERL_CALLCONV to be something special. See also the
425 * definition of XS() in XSUB.h. */
426#ifndef PERL_EXPORT_C
a0c21aa1
JH		 427# ifdef __cplusplus
428# define PERL_EXPORT_C extern "C"
429# else
430# define PERL_EXPORT_C extern
431# endif
27da23d5
JH		 432#endif
433#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 434# ifdef __cplusplus
435# define PERL_XS_EXPORT_C extern "C"
436# else
437# define PERL_XS_EXPORT_C
438# endif
27da23d5
JH		 439#endif
440
462e5cf6
MB		 441#ifdef OP_IN_REGISTER
442# ifdef __GNUC__
443# define stringify_immed(s) #s
444# define stringify(s) stringify_immed(s)
d1ca3daa 445register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 446# endif
447#endif
448
e5afc1ae 449/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 450 * g++ allows them but seems to have problems with them
70aab261
RB		 451 * (insane errors ensue).
452 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
453 */
454#if defined(PERL_GCC_PEDANTIC) || \
455 (defined(__GNUC__) && defined(__cplusplus) && \
456 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 457# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 458# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
459# endif
5dc8bdac
JH		 460#endif
461
5b692037
JH		 462#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
463# ifndef PERL_USE_GCC_BRACE_GROUPS
464# define PERL_USE_GCC_BRACE_GROUPS
465# endif
466#endif
467
728e2803 468/*
469 * STMT_START { statements; } STMT_END;
470 * can be used as a single statement, as in
471 * if (x) STMT_START { ... } STMT_END; else ...
472 *
473 * Trying to select a version that gives no warnings...
474 */
475#if !(defined(STMT_START) && defined(STMT_END))
5b692037 476# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 477# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 478# define STMT_END )
479# else
480 /* Now which other defined()s do we need here ??? */
93189314 481# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 482# define STMT_START if (1)
483# define STMT_END else (void)0
484# else
485# define STMT_START do
486# define STMT_END while (0)
487# endif
488# endif
489#endif
490
0cb96387 491#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 492#define WITH_THR(s) WITH_THX(s)
ea0efc06 493
d6f9c181
JH		 494#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
495# define BYTEORDER 0x1234
79072805
LW		 496#endif
497
498/* Overall memory policy? */
499#ifndef CONSERVATIVE
500# define LIBERAL 1
501#endif
502
8ada0baa
JH		 503#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
504#define ASCIIish
505#else
506#undef ASCIIish
507#endif
508
79072805
LW		 509/*
510 * The following contortions are brought to you on behalf of all the
511 * standards, semi-standards, de facto standards, not-so-de-facto standards
512 * of the world, as well as all the other botches anyone ever thought of.
513 * The basic theory is that if we work hard enough here, the rest of the
514 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
515 */
ac58e20f 516
ee0007ab 517/* define this once if either system, instead of cluttering up the src */
2986a63f 518#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 519#define DOSISH 1
520#endif
521
fb38d079 522#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 523# define STANDARD_C 1
524#endif
525
9969cdde 526#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 527# define DONT_DECLARE_STD 1
528#endif
529
352d5a3a 530#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 531# define VOL volatile
663a0e37 532#else
79072805 533# define VOL
663a0e37
LW		 534#endif
535
3280af22
NIS		 536#define TAINT (PL_tainted = TRUE)
537#define TAINT_NOT (PL_tainted = FALSE)
538#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
539#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 540#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 541
d460ef45 542/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 543 defines move there? If so, I could simplify this a lot. --AD 9/96.
544*/
545/* Process group stuff changed from traditional BSD to POSIX.
546 perlfunc.pod documents the traditional BSD-style syntax, so we'll
547 try to preserve that, if possible.
548*/
549#ifdef HAS_SETPGID
550# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 551#else
a6e633de 552# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
553# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
554# else
555# ifdef HAS_SETPGRP2 /* DG/UX */
556# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
557# endif
558# endif
559#endif
560#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
561# define HAS_SETPGRP /* Well, effectively it does . . . */
562#endif
563
564/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
565 our life easier :-) so we'll try it.
566*/
567#ifdef HAS_GETPGID
568# define BSD_GETPGRP(pid) getpgid((pid))
569#else
570# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
571# define BSD_GETPGRP(pid) getpgrp((pid))
572# else
573# ifdef HAS_GETPGRP2 /* DG/UX */
574# define BSD_GETPGRP(pid) getpgrp2((pid))
575# endif
576# endif
577#endif
578#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
579# define HAS_GETPGRP /* Well, effectively it does . . . */
580#endif
581
d460ef45 582/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 583 have different behaviors, but perl.h used to define USE_BSDPGRP
584 (prior to 5.003_05) so some extension might depend on it.
585*/
586#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
587# ifndef USE_BSDPGRP
588# define USE_BSDPGRP
589# endif
663a0e37
LW		 590#endif
591
8ac5a1fe
MH		 592/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
593 pthread.h must be included before all other header files.
594*/
3db8f154 595#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 596# include <pthread.h>
597#endif
598
760ac839
LW		 599#ifndef _TYPES_ /* If types.h defines this it's easy. */
600# ifndef major /* Does everyone's types.h define this? */
601# include <sys/types.h>
c07a80fd 602# endif
663a0e37
LW		 603#endif
604
760ac839
LW		 605#ifdef __cplusplus
606# ifndef I_STDARG
607# define I_STDARG 1
608# endif
609#endif
610
611#ifdef I_STDARG
612# include <stdarg.h>
613#else
614# ifdef I_VARARGS
615# include <varargs.h>
616# endif
617#endif
618
4633a7c4 619#ifdef USE_NEXT_CTYPE
0c30d9ec 620
092bebab
JH		 621#if NX_CURRENT_COMPILER_RELEASE >= 500
622# include <bsd/ctypes.h>
623#else
624# if NX_CURRENT_COMPILER_RELEASE >= 400
625# include <objc/NXCType.h>
626# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
627# include <appkit/NXCType.h>
628# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
629#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 630
631#else /* !USE_NEXT_CTYPE */
fe14fcc3 632#include <ctype.h>
0c30d9ec 633#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 634
635#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
636#undef METHOD
a0d0e21e
LW		 637#endif
638
12ae5dfc
JH		 639#ifdef PERL_MICRO
640# define NO_LOCALE
641#endif
642
4633a7c4 643#ifdef I_LOCALE
36477c24 644# include <locale.h>
4633a7c4
LW		 645#endif
646
36477c24 647#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
648# define USE_LOCALE
649# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
650 && defined(HAS_STRXFRM)
651# define USE_LOCALE_COLLATE
652# endif
653# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
654# define USE_LOCALE_CTYPE
655# endif
656# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
657# define USE_LOCALE_NUMERIC
658# endif
659#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 660
fe14fcc3 661#include <setjmp.h>
79072805 662
a0d0e21e 663#ifdef I_SYS_PARAM
79072805
LW		 664# ifdef PARAM_NEEDS_TYPES
665# include <sys/types.h>
666# endif
667# include <sys/param.h>
352d5a3a 668#endif
79072805 669
79072805 670/* Use all the "standard" definitions? */
a0d0e21e 671#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 672# include <stdlib.h>
ff68c719 673#endif
03a14243 674
3f270f98
JH		 675/* If this causes problems, set i_unistd=undef in the hint file. */
676#ifdef I_UNISTD
677# include <unistd.h>
678#endif
679
de8ca8af
NT		 680/* for WCOREDUMP */
681#ifdef I_SYS_WAIT
682# include <sys/wait.h>
683#endif
684
9969cdde 685#ifdef __SYMBIAN32__
27da23d5
JH		 686# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
687#endif
688
7114a2d2 689#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 690EXTERN_C int syscall(int, ...);
2ef53570
JH		 691#endif
692
7114a2d2 693#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 694EXTERN_C int usleep(unsigned int);
2ef53570
JH		 695#endif
696
9c12f1e5
RGS		 697/* Funky places that do not have socket stuff. */
698#if defined(__LIBCATAMOUNT__)
699# define MYSWAP
700#endif
701
9a34ef1d
GS		 702#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
703# define MYSWAP
704#endif
705
1109a392
MHM		 706#ifdef PERL_CORE
707
708/* macros for correct constant construction */
709# if INTSIZE >= 2
710# define U16_CONST(x) ((U16)x##U)
711# else
712# define U16_CONST(x) ((U16)x##UL)
713# endif
714
715# if INTSIZE >= 4
716# define U32_CONST(x) ((U32)x##U)
717# else
718# define U32_CONST(x) ((U32)x##UL)
719# endif
720
721# ifdef HAS_QUAD
722# if INTSIZE >= 8
723# define U64_CONST(x) ((U64)x##U)
724# elif LONGSIZE >= 8
725# define U64_CONST(x) ((U64)x##UL)
726# elif QUADKIND == QUAD_IS_LONG_LONG
727# define U64_CONST(x) ((U64)x##ULL)
728# else /* best guess we can make */
729# define U64_CONST(x) ((U64)x##UL)
730# endif
731# endif
732
733/* byte-swapping functions for big-/little-endian conversion */
734# define _swab_16_(x) ((U16)( \
735 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
736 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
737
738# define _swab_32_(x) ((U32)( \
739 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
740 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
741 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
742 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
743
744# ifdef HAS_QUAD
745# define _swab_64_(x) ((U64)( \
746 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
747 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
748 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
749 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
750 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
751 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
752 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
753 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
754# endif
755
756/*----------------------------------------------------------------------------*/
757# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
758/*----------------------------------------------------------------------------*/
759# define my_htole16(x) (x)
760# define my_letoh16(x) (x)
761# define my_htole32(x) (x)
762# define my_letoh32(x) (x)
763# define my_htobe16(x) _swab_16_(x)
764# define my_betoh16(x) _swab_16_(x)
765# define my_htobe32(x) _swab_32_(x)
766# define my_betoh32(x) _swab_32_(x)
767# ifdef HAS_QUAD
768# define my_htole64(x) (x)
769# define my_letoh64(x) (x)
770# define my_htobe64(x) _swab_64_(x)
771# define my_betoh64(x) _swab_64_(x)
772# endif
773# define my_htoles(x) (x)
774# define my_letohs(x) (x)
775# define my_htolei(x) (x)
776# define my_letohi(x) (x)
777# define my_htolel(x) (x)
778# define my_letohl(x) (x)
779# if SHORTSIZE == 1
780# define my_htobes(x) (x)
781# define my_betohs(x) (x)
782# elif SHORTSIZE == 2
783# define my_htobes(x) _swab_16_(x)
784# define my_betohs(x) _swab_16_(x)
785# elif SHORTSIZE == 4
786# define my_htobes(x) _swab_32_(x)
787# define my_betohs(x) _swab_32_(x)
788# elif SHORTSIZE == 8
789# define my_htobes(x) _swab_64_(x)
790# define my_betohs(x) _swab_64_(x)
791# else
792# define PERL_NEED_MY_HTOBES
793# define PERL_NEED_MY_BETOHS
794# endif
795# if INTSIZE == 1
796# define my_htobei(x) (x)
797# define my_betohi(x) (x)
798# elif INTSIZE == 2
799# define my_htobei(x) _swab_16_(x)
800# define my_betohi(x) _swab_16_(x)
801# elif INTSIZE == 4
802# define my_htobei(x) _swab_32_(x)
803# define my_betohi(x) _swab_32_(x)
804# elif INTSIZE == 8
805# define my_htobei(x) _swab_64_(x)
806# define my_betohi(x) _swab_64_(x)
807# else
808# define PERL_NEED_MY_HTOBEI
809# define PERL_NEED_MY_BETOHI
810# endif
811# if LONGSIZE == 1
812# define my_htobel(x) (x)
813# define my_betohl(x) (x)
814# elif LONGSIZE == 2
815# define my_htobel(x) _swab_16_(x)
816# define my_betohl(x) _swab_16_(x)
817# elif LONGSIZE == 4
818# define my_htobel(x) _swab_32_(x)
819# define my_betohl(x) _swab_32_(x)
820# elif LONGSIZE == 8
821# define my_htobel(x) _swab_64_(x)
822# define my_betohl(x) _swab_64_(x)
823# else
824# define PERL_NEED_MY_HTOBEL
825# define PERL_NEED_MY_BETOHL
826# endif
827# define my_htolen(p,n) NOOP
828# define my_letohn(p,n) NOOP
829# define my_htoben(p,n) my_swabn(p,n)
830# define my_betohn(p,n) my_swabn(p,n)
831/*----------------------------------------------------------------------------*/
832# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
833/*----------------------------------------------------------------------------*/
834# define my_htobe16(x) (x)
835# define my_betoh16(x) (x)
836# define my_htobe32(x) (x)
837# define my_betoh32(x) (x)
838# define my_htole16(x) _swab_16_(x)
839# define my_letoh16(x) _swab_16_(x)
840# define my_htole32(x) _swab_32_(x)
841# define my_letoh32(x) _swab_32_(x)
842# ifdef HAS_QUAD
843# define my_htobe64(x) (x)
844# define my_betoh64(x) (x)
845# define my_htole64(x) _swab_64_(x)
846# define my_letoh64(x) _swab_64_(x)
847# endif
848# define my_htobes(x) (x)
849# define my_betohs(x) (x)
850# define my_htobei(x) (x)
851# define my_betohi(x) (x)
852# define my_htobel(x) (x)
853# define my_betohl(x) (x)
854# if SHORTSIZE == 1
855# define my_htoles(x) (x)
856# define my_letohs(x) (x)
857# elif SHORTSIZE == 2
858# define my_htoles(x) _swab_16_(x)
859# define my_letohs(x) _swab_16_(x)
860# elif SHORTSIZE == 4
861# define my_htoles(x) _swab_32_(x)
862# define my_letohs(x) _swab_32_(x)
863# elif SHORTSIZE == 8
864# define my_htoles(x) _swab_64_(x)
865# define my_letohs(x) _swab_64_(x)
866# else
867# define PERL_NEED_MY_HTOLES
868# define PERL_NEED_MY_LETOHS
869# endif
870# if INTSIZE == 1
871# define my_htolei(x) (x)
872# define my_letohi(x) (x)
873# elif INTSIZE == 2
874# define my_htolei(x) _swab_16_(x)
875# define my_letohi(x) _swab_16_(x)
876# elif INTSIZE == 4
877# define my_htolei(x) _swab_32_(x)
878# define my_letohi(x) _swab_32_(x)
879# elif INTSIZE == 8
880# define my_htolei(x) _swab_64_(x)
881# define my_letohi(x) _swab_64_(x)
882# else
883# define PERL_NEED_MY_HTOLEI
884# define PERL_NEED_MY_LETOHI
885# endif
886# if LONGSIZE == 1
887# define my_htolel(x) (x)
888# define my_letohl(x) (x)
889# elif LONGSIZE == 2
890# define my_htolel(x) _swab_16_(x)
891# define my_letohl(x) _swab_16_(x)
892# elif LONGSIZE == 4
893# define my_htolel(x) _swab_32_(x)
894# define my_letohl(x) _swab_32_(x)
895# elif LONGSIZE == 8
896# define my_htolel(x) _swab_64_(x)
897# define my_letohl(x) _swab_64_(x)
898# else
899# define PERL_NEED_MY_HTOLEL
900# define PERL_NEED_MY_LETOHL
901# endif
902# define my_htolen(p,n) my_swabn(p,n)
903# define my_letohn(p,n) my_swabn(p,n)
904# define my_htoben(p,n) NOOP
905# define my_betohn(p,n) NOOP
906/*----------------------------------------------------------------------------*/
907# else /* all other byte-orders */
908/*----------------------------------------------------------------------------*/
909# define PERL_NEED_MY_HTOLE16
910# define PERL_NEED_MY_LETOH16
911# define PERL_NEED_MY_HTOBE16
912# define PERL_NEED_MY_BETOH16
913# define PERL_NEED_MY_HTOLE32
914# define PERL_NEED_MY_LETOH32
915# define PERL_NEED_MY_HTOBE32
916# define PERL_NEED_MY_BETOH32
917# ifdef HAS_QUAD
918# define PERL_NEED_MY_HTOLE64
919# define PERL_NEED_MY_LETOH64
920# define PERL_NEED_MY_HTOBE64
921# define PERL_NEED_MY_BETOH64
922# endif
923# define PERL_NEED_MY_HTOLES
924# define PERL_NEED_MY_LETOHS
925# define PERL_NEED_MY_HTOBES
926# define PERL_NEED_MY_BETOHS
927# define PERL_NEED_MY_HTOLEI
928# define PERL_NEED_MY_LETOHI
929# define PERL_NEED_MY_HTOBEI
930# define PERL_NEED_MY_BETOHI
931# define PERL_NEED_MY_HTOLEL
932# define PERL_NEED_MY_LETOHL
933# define PERL_NEED_MY_HTOBEL
934# define PERL_NEED_MY_BETOHL
935/*----------------------------------------------------------------------------*/
936# endif /* end of byte-order macros */
937/*----------------------------------------------------------------------------*/
938
9c17f24a
NC		 939/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
940 at least on FreeBSD. YMMV, so experiment. */
941#ifndef PERL_ARENA_SIZE
942#define PERL_ARENA_SIZE 4080
943#endif
944
ccb2c8b8 945/* Maximum level of recursion */
2b9dff67
RGS		 946#ifndef PERL_SUB_DEPTH_WARN
947#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 948#endif
949
1109a392
MHM		 950#endif /* PERL_CORE */
951
bdf3085f
NC		 952/* We no longer default to creating a new SV for GvSV.
953 Do this before embed. */
954#ifndef PERL_CREATE_GVSV
7459f06b
NC		 955# ifndef PERL_DONT_CREATE_GVSV
956# define PERL_DONT_CREATE_GVSV
957# endif
bdf3085f
NC		 958#endif
959
ca0c25f6
NC		 960#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
961#define PERL_USES_PL_PIDSTATUS
962#endif
963
a62746fa
RGS		 964#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__) && !defined(MACOS_TRADITIONAL)
965#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
966#endif
967
66a93824
NIS		 968/* Cannot include embed.h here on Win32 as win32.h has not
969 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
970 */
96e176bf 971#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 972# include "embed.h"
eb8433b7
NC		 973# ifndef PERL_MAD
974# undef op_getmad
b3f24c00 975# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 976# endif
cea2e8a9
GS		 977#endif
978
c31fac66
GS		 979#define MEM_SIZE Size_t
980
1936d2a7
NC		 981/* Round all values passed to malloc up, by default to a multiple of
982 sizeof(size_t)
983*/
984#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
985#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
986#endif
987
51371543
GS		 988#if defined(STANDARD_C) && defined(I_STDDEF)
989# include <stddef.h>
990# define STRUCT_OFFSET(s,m) offsetof(s,m)
991#else
992# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
993#endif
994
9969cdde 995#ifndef __SYMBIAN32__
27da23d5
JH		 996# if defined(I_STRING) || defined(__cplusplus)
997# include <string.h>
998# else
999# include <strings.h>
1000# endif
51371543
GS		 1001#endif
1002
55497cff 1003/* This comes after <stdlib.h> so we don't try to change the standard
1004 * library prototypes; we'll use our own in proto.h instead. */
03a14243 1005
4633a7c4 1006#ifdef MYMALLOC
86058a2d 1007# ifdef PERL_POLLUTE_MALLOC
ee13e175 1008# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 1009# define Perl_malloc malloc
1010# define Perl_calloc calloc
1011# define Perl_realloc realloc
1012# define Perl_mfree free
ee13e175 1013# endif
86058a2d
GS		 1014# else
1015# define EMBEDMYMALLOC /* for compatibility */
1016# endif
827e134a 1017
651b9576
GS		 1018# define safemalloc Perl_malloc
1019# define safecalloc Perl_calloc
1020# define saferealloc Perl_realloc
1021# define safefree Perl_mfree
22f7c9c9
JH		 1022# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1023 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1024 code; \
1025 } STMT_END
1026# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1027 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1028# define panic_write2(s) write(2, s, strlen(s))
1029# define CHECK_MALLOC_TAINT(newval) \
1030 CHECK_MALLOC_TOO_LATE_FOR_( \
1031 if (newval) { \
1032 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1033 exit(1); })
22f7c9c9 1034# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1035 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 1036 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1037 }} STMT_END;
f2517201
GS		 1038#else /* MYMALLOC */
1039# define safemalloc safesysmalloc
1040# define safecalloc safesyscalloc
1041# define saferealloc safesysrealloc
1042# define safefree safesysfree
22f7c9c9
JH		 1043# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1044# define CHECK_MALLOC_TAINT(newval) ((void)0)
1045# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1046#endif /* MYMALLOC */
4633a7c4 1047
27da23d5 1048#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		 1049#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1050#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1051#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1052
a0d0e21e
LW		 1053#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1054#define strchr index
1055#define strrchr rindex
1056#endif
1057
16d20bd9
AD		 1058#ifdef I_MEMORY
1059# include <memory.h>
1060#endif
1061
fe14fcc3 1062#ifdef HAS_MEMCPY
85e6fe83 1063# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1064# ifndef memcpy
20ce7b12 1065 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 1066# endif
1067# endif
1068#else
1069# ifndef memcpy
1070# ifdef HAS_BCOPY
1071# define memcpy(d,s,l) bcopy(s,d,l)
1072# else
1073# define memcpy(d,s,l) my_bcopy(s,d,l)
1074# endif
1075# endif
1076#endif /* HAS_MEMCPY */
fe14fcc3 1077
ee0007ab 1078#ifdef HAS_MEMSET
85e6fe83 1079# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1080# ifndef memset
20ce7b12 1081 extern char *memset (char*, int, int);
ee0007ab
LW		 1082# endif
1083# endif
ee0007ab 1084#else
12ae5dfc 1085# undef memset
fc36a67e 1086# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1087#endif /* HAS_MEMSET */
1088
85e6fe83 1089#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1090# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1091# define memmove(d,s,l) bcopy(s,d,l)
1092# else
2304df62 1093# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1094# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1095# else
79072805 1096# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1097# endif
352d5a3a 1098# endif
d9d8d8de 1099#endif
ee0007ab 1100
36477c24 1101#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1102# undef HAS_MEMCMP
1103#endif
1104
1105#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1106# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1107# ifndef memcmp
20ce7b12 1108 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1109# endif
1110# endif
36477c24 1111# ifdef BUGGY_MSC
7e4e8c89 1112# pragma function(memcmp)
36477c24 1113# endif
ee0007ab
LW		 1114#else
1115# ifndef memcmp
ecfc5424 1116# define memcmp my_memcmp
352d5a3a 1117# endif
36477c24 1118#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1119
fc36a67e 1120#ifndef memzero
c635e13b 1121# ifdef HAS_MEMSET
1122# define memzero(d,l) memset(d,0,l)
79072805 1123# else
c635e13b 1124# ifdef HAS_BZERO
1125# define memzero(d,l) bzero(d,l)
79072805 1126# else
fc36a67e 1127# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1128# endif
1129# endif
d9d8d8de 1130#endif
378cc40b 1131
2f42fcb0 1132#ifndef PERL_MICRO
0f27ced1
JH		 1133#ifndef memchr
1134# ifndef HAS_MEMCHR
1135# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1136# endif
1137#endif
2f42fcb0 1138#endif
0f27ced1 1139
36477c24 1140#ifndef HAS_BCMP
1141# ifndef bcmp
1142# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1143# endif
36477c24 1144#endif /* !HAS_BCMP */
378cc40b 1145
ae986130 1146#ifdef I_NETINET_IN
79072805 1147# include <netinet/in.h>
ae986130
LW		 1148#endif
1149
28e8609d
JH		 1150#ifdef I_ARPA_INET
1151# include <arpa/inet.h>
1152#endif
1153
84902520
TB		 1154#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1155/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1156 * (the neo-BSD seem to do this). */
1157# undef SF_APPEND
1158#endif
1159
1aef975c 1160#ifdef I_SYS_STAT
84902520 1161# include <sys/stat.h>
1aef975c 1162#endif
79072805 1163
a0d0e21e
LW		 1164/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1165 like UTekV) are broken, sometimes giving false positives. Undefine
1166 them here and let the code below set them to proper values.
1167
1168 The ghs macro stands for GreenHills Software C-1.8.5 which
1169 is the C compiler for sysV88 and the various derivatives.
1170 This header file bug is corrected in gcc-2.5.8 and later versions.
1171 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1172
1173#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1174# undef S_ISDIR
1175# undef S_ISCHR
1176# undef S_ISBLK
1177# undef S_ISREG
1178# undef S_ISFIFO
1179# undef S_ISLNK
ee0007ab 1180#endif
135863df 1181
663a0e37
LW		 1182#ifdef I_TIME
1183# include <time.h>
ffed7fef 1184#endif
663a0e37 1185
fe14fcc3 1186#ifdef I_SYS_TIME
85e6fe83 1187# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1188# define KERNEL
1189# endif
1190# include <sys/time.h>
85e6fe83 1191# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1192# undef KERNEL
1193# endif
a687059c 1194#endif
135863df 1195
55497cff 1196#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1197# include <sys/times.h>
d9d8d8de 1198#endif
8d063cd8 1199
fe14fcc3 1200#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1201# undef HAS_STRERROR
663a0e37
LW		 1202#endif
1203
1204#include <errno.h>
1e743fda 1205
acfe0abc 1206#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1207# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1208#endif
1209
8cfab5ff
JH		 1210/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1211 * This is important for using IPv6.
1212 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1213 * a bad idea since it breaks send() and recv(). */
1214#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1215# define _SOCKADDR_LEN
1216#endif
1217
8d3f517a 1218#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1219# include <sys/socket.h>
1220# if defined(USE_SOCKS) && defined(I_SOCKS)
1221# if !defined(INCLUDE_PROTOTYPES)
1222# define INCLUDE_PROTOTYPES /* for <socks.h> */
1223# define PERL_SOCKS_NEED_PROTOTYPES
1224# endif
1225# include <socks.h>
1226# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1227# undef INCLUDE_PROTOTYPES
1228# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1229# endif
d460ef45 1230# endif
1e743fda 1231# ifdef I_NETDB
2986a63f
JH		 1232# ifdef NETWARE
1233# include<stdio.h>
1234# endif
1e743fda
JH		 1235# include <netdb.h>
1236# endif
1237# ifndef ENOTSOCK
1238# ifdef I_NET_ERRNO
1239# include <net/errno.h>
1240# endif
1241# endif
1242#endif
1243
fa0a29af 1244/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1245 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1246 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1247#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1248# if defined(__THROW) && defined(__GLIBC__)
1249int sockatmark(int) __THROW;
1250# else
2ef53570 1251int sockatmark(int);
29820b6d 1252# endif
2ef53570
JH		 1253#endif
1254
7e827271 1255#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		 1256EXTERN_C int fchdir(int);
1257EXTERN_C int flock(int, int);
1258EXTERN_C int fseeko(FILE *, off_t, int);
1259EXTERN_C off_t ftello(FILE *);
1260#endif
1261
7e827271 1262#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1263EXTERN_C char *crypt(const char *, const char *);
7e827271 1264EXTERN_C char **environ;
1ccb7c8d
JH		 1265#endif
1266
83a6ff2e 1267#if defined(__cplusplus)
944c4fda 1268# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1269EXTERN_C char **environ;
83a6ff2e 1270# elif defined(__CYGWIN__)
667e2948
SP		 1271EXTERN_C char *crypt(const char *, const char *);
1272#endif
83a6ff2e 1273#endif
667e2948 1274
1e743fda
JH		 1275#ifdef SETERRNO
1276# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1277#endif
f86702cc 1278
1279#ifdef VMS
1280# define SETERRNO(errcode,vmserrcode) \
1281 STMT_START { \
1282 set_errno(errcode); \
1283 set_vaxc_errno(vmserrcode); \
1284 } STMT_END
4ee39169
CS		 1285# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1286# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1287# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1288# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1289
93189314
JH		 1290# define LIB_INVARG LIB$_INVARG
1291# define RMS_DIR RMS$_DIR
1292# define RMS_FAC RMS$_FAC
1293# define RMS_FEX RMS$_FEX
1294# define RMS_FNF RMS$_FNF
1295# define RMS_IFI RMS$_IFI
1296# define RMS_ISI RMS$_ISI
1297# define RMS_PRV RMS$_PRV
1298# define SS_ACCVIO SS$_ACCVIO
1299# define SS_DEVOFFLINE SS$_DEVOFFLINE
1300# define SS_IVCHAN SS$_IVCHAN
1301# define SS_NORMAL SS$_NORMAL
748a9306 1302#else
aba27d88 1303# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS		 1304# define dSAVEDERRNO int saved_errno
1305# define dSAVE_ERRNO int saved_errno = errno
1306# define SAVE_ERRNO (saved_errno = errno)
1307# define RESTORE_ERRNO (errno = saved_errno)
1308
93189314
JH		 1309# define LIB_INVARG 0
1310# define RMS_DIR 0
1311# define RMS_FAC 0
1312# define RMS_FEX 0
1313# define RMS_FNF 0
1314# define RMS_IFI 0
1315# define RMS_ISI 0
1316# define RMS_PRV 0
1317# define SS_ACCVIO 0
1318# define SS_DEVOFFLINE 0
1319# define SS_IVCHAN 0
1320# define SS_NORMAL 0
748a9306 1321#endif
ed6116ce 1322
3db8f154 1323#define ERRSV GvSV(PL_errgv)
414bf5ae
MHM		 1324#ifdef PERL_CORE
1325# define DEFSV (0 + GvSVn(PL_defgv))
1326#else
1327# define DEFSV GvSVn(PL_defgv)
1328#endif
1329#define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
3db8f154 1330#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1331
98eae8f5
GS		 1332#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1333
55497cff 1334#ifndef errno
5ff3f7a4
GS		 1335 extern int errno; /* ANSI allows errno to be an lvalue expr.
1336 * For example in multithreaded environments
1337 * something like this might happen:
1338 * extern int *_errno(void);
1339 * #define errno (*_errno()) */
d9d8d8de 1340#endif
663a0e37 1341
2304df62 1342#ifdef HAS_STRERROR
a0d0e21e 1343# ifdef VMS
20ce7b12 1344 char *strerror (int,...);
a0d0e21e 1345# else
68dc0745 1346#ifndef DONT_DECLARE_STD
20ce7b12 1347 char *strerror (int);
68dc0745 1348#endif
a0d0e21e 1349# endif
2304df62
AD		 1350# ifndef Strerror
1351# define Strerror strerror
1352# endif
1353#else
1354# ifdef HAS_SYS_ERRLIST
79072805
LW		 1355 extern int sys_nerr;
1356 extern char *sys_errlist[];
2304df62
AD		 1357# ifndef Strerror
1358# define Strerror(e) \
79072805 1359 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1360# endif
79072805 1361# endif
35c8bce7 1362#endif
663a0e37 1363
2304df62 1364#ifdef I_SYS_IOCTL
79072805
LW		 1365# ifndef _IOCTL_
1366# include <sys/ioctl.h>
1367# endif
a687059c
LW		 1368#endif
1369
ee0007ab 1370#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1371# ifdef HAS_SOCKETPAIR
1372# undef HAS_SOCKETPAIR
1373# endif
2304df62
AD		 1374# ifdef I_NDBM
1375# undef I_NDBM
79072805 1376# endif
a687059c
LW		 1377#endif
1378
02fc2eee
NC		 1379#ifndef HAS_SOCKETPAIR
1380# ifdef HAS_SOCKET
1381# define socketpair Perl_my_socketpair
1382# endif
1383#endif
1384
a687059c 1385#if INTSIZE == 2
79072805
LW		 1386# define htoni htons
1387# define ntohi ntohs
a687059c 1388#else
79072805
LW		 1389# define htoni htonl
1390# define ntohi ntohl
a687059c
LW		 1391#endif
1392
a0d0e21e 1393/* Configure already sets Direntry_t */
35c8bce7 1394#if defined(I_DIRENT)
663a0e37 1395# include <dirent.h>
8f1f23e8
W		 1396 /* NeXT needs dirent + sys/dir.h */
1397# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1398# include <sys/dir.h>
1399# endif
ae986130 1400#else
fe14fcc3 1401# ifdef I_SYS_NDIR
79a0689e 1402# include <sys/ndir.h>
663a0e37 1403# else
fe14fcc3 1404# ifdef I_SYS_DIR
79a0689e
LW		 1405# ifdef hp9000s500
1406# include <ndir.h> /* may be wrong in the future */
1407# else
1408# include <sys/dir.h>
1409# endif
663a0e37
LW		 1410# endif
1411# endif
4633a7c4 1412#endif
a687059c 1413
12ae5dfc
JH		 1414#ifdef PERL_MICRO
1415# ifndef DIR
1416# define DIR void
1417# endif
1418#endif
1419
352d5a3a
LW		 1420#ifdef FPUTS_BOTCH
1421/* work around botch in SunOS 4.0.1 and 4.0.2 */
1422# ifndef fputs
79072805 1423# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1424# endif
1425#endif
1426
c623bd54
LW		 1427/*
1428 * The following gobbledygook brought to you on behalf of __STDC__.
1429 * (I could just use #ifndef __STDC__, but this is more bulletproof
1430 * in the face of half-implementations.)
1431 */
1432
7114a2d2 1433#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1434#include <sys/mode.h>
1435#endif
1436
c623bd54
LW		 1437#ifndef S_IFMT
1438# ifdef _S_IFMT
1439# define S_IFMT _S_IFMT
1440# else
1441# define S_IFMT 0170000
1442# endif
1443#endif
1444
1445#ifndef S_ISDIR
1446# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1447#endif
1448
1449#ifndef S_ISCHR
1450# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1451#endif
1452
1453#ifndef S_ISBLK
fe14fcc3
LW		 1454# ifdef S_IFBLK
1455# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1456# else
1457# define S_ISBLK(m) (0)
1458# endif
c623bd54
LW		 1459#endif
1460
1461#ifndef S_ISREG
1462# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1463#endif
1464
1465#ifndef S_ISFIFO
fe14fcc3
LW		 1466# ifdef S_IFIFO
1467# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1468# else
1469# define S_ISFIFO(m) (0)
1470# endif
c623bd54
LW		 1471#endif
1472
1473#ifndef S_ISLNK
1474# ifdef _S_ISLNK
1475# define S_ISLNK(m) _S_ISLNK(m)
1476# else
1477# ifdef _S_IFLNK
1478# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1479# else
1480# ifdef S_IFLNK
1481# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1482# else
1483# define S_ISLNK(m) (0)
1484# endif
1485# endif
1486# endif
1487#endif
1488
1489#ifndef S_ISSOCK
1490# ifdef _S_ISSOCK
1491# define S_ISSOCK(m) _S_ISSOCK(m)
1492# else
1493# ifdef _S_IFSOCK
1494# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1495# else
1496# ifdef S_IFSOCK
1497# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1498# else
1499# define S_ISSOCK(m) (0)
1500# endif
1501# endif
1502# endif
1503#endif
1504
1505#ifndef S_IRUSR
1506# ifdef S_IREAD
1507# define S_IRUSR S_IREAD
1508# define S_IWUSR S_IWRITE
1509# define S_IXUSR S_IEXEC
1510# else
1511# define S_IRUSR 0400
1512# define S_IWUSR 0200
1513# define S_IXUSR 0100
1514# endif
fac7cdfc
JS		 1515#endif
1516
1517#ifndef S_IRGRP
1518# ifdef S_IRUSR
1519# define S_IRGRP (S_IRUSR>>3)
1520# define S_IWGRP (S_IWUSR>>3)
1521# define S_IXGRP (S_IXUSR>>3)
1522# else
1523# define S_IRGRP 0040
1524# define S_IWGRP 0020
1525# define S_IXGRP 0010
1526# endif
1527#endif
1528
1529#ifndef S_IROTH
1530# ifdef S_IRUSR
1531# define S_IROTH (S_IRUSR>>6)
1532# define S_IWOTH (S_IWUSR>>6)
1533# define S_IXOTH (S_IXUSR>>6)
1534# else
1535# define S_IROTH 0040
1536# define S_IWOTH 0020
1537# define S_IXOTH 0010
1538# endif
c623bd54
LW		 1539#endif
1540
1541#ifndef S_ISUID
1542# define S_ISUID 04000
1543#endif
1544
1545#ifndef S_ISGID
1546# define S_ISGID 02000
1547#endif
1548
ca6e1c26
JH		 1549#ifndef S_IRWXU
1550# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1551#endif
ca6e1c26
JH		 1552
1553#ifndef S_IRWXG
1554# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1555#endif
ca6e1c26
JH		 1556
1557#ifndef S_IRWXO
1558# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1559#endif
ca6e1c26 1560
df00ff3b 1561/* BeOS 5.0 and Haiku R1 seem to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1562 * which would get included through <sys/file.h >, but that is 3000
1563 * lines in the future. --jhi */
1564
df00ff3b 1565#if !defined(S_IREAD) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1566# define S_IREAD S_IRUSR
1567#endif
1568
df00ff3b 1569#if !defined(S_IWRITE) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1570# define S_IWRITE S_IWUSR
1571#endif
1572
1573#ifndef S_IEXEC
1574# define S_IEXEC S_IXUSR
1575#endif
1576
79072805
LW		 1577#ifdef ff_next
1578# undef ff_next
352d5a3a
LW		 1579#endif
1580
a0d0e21e 1581#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1582# define SLOPPYDIVIDE
1583#endif
1584
748a9306
LW		 1585#ifdef UV
1586#undef UV
1587#endif
1588
c89df6bf
JH		 1589#ifdef SPRINTF_E_BUG
1590# define sprintf UTS_sprintf_wrap
1591#endif
1592
ce582cee
NC		 1593/* For the times when you want the return value of sprintf, and you want it
1594 to be the length. Can't have a thread variable passed in, because C89 has
1595 no varargs macros.
1596*/
1597#ifdef SPRINTF_RETURNS_STRLEN
1598# define my_sprintf sprintf
1599#else
1600# define my_sprintf Perl_my_sprintf
1601#endif
1602
5b692037
JH		 1603/*
1604 * If we have v?snprintf() and the C99 variadic macros, we can just
1605 * use just the v?snprintf(). It is nice to try to trap the buffer
1606 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1607 * gcc statement expressions, then use the function wrappers which try
1608 * to trap the overflow. If we can use the gcc statement expressions,
1609 * we can try that even with the version that uses the C99 variadic
1610 * macros.
5b692037
JH		 1611 */
1612
1208b3dd
JH		 1613/* Note that we do not check against snprintf()/vsnprintf() returning
1614 * negative values because that is non-standard behaviour and we use
1615 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1616 * that should be true only if the snprintf()/vsnprintf() are true
1617 * to the standard. */
1618
dfeee9b1 1619#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1620# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1621# 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 1622# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1623# else
1624# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1625# endif
1626#else
1627# define my_snprintf Perl_my_snprintf
1208b3dd 1628# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1629#endif
1630
dfeee9b1 1631#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1632# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1633# 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 1634# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1635# else
1636# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1637# endif
1638#else
1639# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1640# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1641#endif
d9fad198 1642
a6cc4119
SP		 1643#ifdef HAS_STRLCAT
1644# define my_strlcat strlcat
1645#else
1646# define my_strlcat Perl_my_strlcat
1647#endif
1648
1649#ifdef HAS_STRLCPY
1650# define my_strlcpy strlcpy
1651#else
1652# define my_strlcpy Perl_my_strlcpy
1653#endif
1654
c495e728
JH		 1655/* Configure gets this right but the UTS compiler gets it wrong.
1656 -- Hal Morris <hom00@utsglobal.com> */
1657#ifdef UTS
1658# undef UVTYPE
1659# define UVTYPE unsigned
1660#endif
1661
05f13f53 1662/*
27d4fb96 1663 The IV type is supposed to be long enough to hold any integral
1664 value or a pointer.
1665 --Andy Dougherty August 1996
1666*/
1667
a22e52b9
JH		 1668typedef IVTYPE IV;
1669typedef UVTYPE UV;
8175356b 1670
10cc9d2a 1671#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1672# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1673# define IV_MAX INT64_MAX
1674# define IV_MIN INT64_MIN
1675# define UV_MAX UINT64_MAX
cae7ae48
JH		 1676# ifndef UINT64_MIN
1677# define UINT64_MIN 0
1678# endif
5ff3f7a4
GS		 1679# define UV_MIN UINT64_MIN
1680# else
1681# define IV_MAX PERL_QUAD_MAX
1682# define IV_MIN PERL_QUAD_MIN
1683# define UV_MAX PERL_UQUAD_MAX
1684# define UV_MIN PERL_UQUAD_MIN
1685# endif
cf2093f6
JH		 1686# define IV_IS_QUAD
1687# define UV_IS_QUAD
79072805 1688#else
8175356b 1689# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1690# define IV_MAX INT32_MAX
1691# define IV_MIN INT32_MIN
716026f9
DL		 1692# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1693# define UV_MAX UINT32_MAX
1694# else
1695# define UV_MAX 4294967295U
1696# endif
cae7ae48
JH		 1697# ifndef UINT32_MIN
1698# define UINT32_MIN 0
1699# endif
5ff3f7a4
GS		 1700# define UV_MIN UINT32_MIN
1701# else
1702# define IV_MAX PERL_LONG_MAX
1703# define IV_MIN PERL_LONG_MIN
1704# define UV_MAX PERL_ULONG_MAX
1705# define UV_MIN PERL_ULONG_MIN
1706# endif
8175356b 1707# if IVSIZE == 8
cf2093f6
JH		 1708# define IV_IS_QUAD
1709# define UV_IS_QUAD
de1c2614
JH		 1710# ifndef HAS_QUAD
1711# define HAS_QUAD
1712# endif
cf2093f6
JH		 1713# else
1714# undef IV_IS_QUAD
1715# undef UV_IS_QUAD
de1c2614 1716# undef HAS_QUAD
cf2093f6 1717# endif
79072805 1718#endif
d7d93a81 1719
1109a392
MHM		 1720#ifndef HAS_QUAD
1721# undef PERL_NEED_MY_HTOLE64
1722# undef PERL_NEED_MY_LETOH64
1723# undef PERL_NEED_MY_HTOBE64
1724# undef PERL_NEED_MY_BETOH64
1725#endif
1726
6cde8aec 1727#if defined(uts) || defined(UTS)
11afe549
HM		 1728# undef UV_MAX
1729# define UV_MAX (4294967295u)
20601011
JH		 1730#endif
1731
cae7ae48 1732#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1733#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1734
28e5dec8 1735#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1736#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1737#endif
1738
d460ef45 1739/*
26bb67e2
JH		 1740 * The macros INT2PTR and NUM2PTR are (despite their names)
1741 * bi-directional: they will convert int/float to or from pointers.
1742 * However the conversion to int/float are named explicitly:
1743 * PTR2IV, PTR2UV, PTR2NV.
1744 *
1745 * For int conversions we do not need two casts if pointers are
1746 * the same size as IV and UV. Otherwise we need an explicit
1747 * cast (PTRV) to avoid compiler warnings.
1748 */
56431972
RB		 1749#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1750# define PTRV UV
1751# define INT2PTR(any,d) (any)(d)
1752#else
d460ef45 1753# if PTRSIZE == LONGSIZE
56431972 1754# define PTRV unsigned long
e91e3b10 1755# define PTR2ul(p) (unsigned long)(p)
42718184 1756# else
56431972 1757# define PTRV unsigned
42718184 1758# endif
e91e3b10
RB		 1759#endif
1760
1761#ifndef INT2PTR
56431972 1762# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1763#endif
e91e3b10
RB		 1764
1765#ifndef PTR2ul
1766# define PTR2ul(p) INT2PTR(unsigned long,p)
1767#endif
1768
56431972
RB		 1769#define NUM2PTR(any,d) (any)(PTRV)(d)
1770#define PTR2IV(p) INT2PTR(IV,p)
1771#define PTR2UV(p) INT2PTR(UV,p)
1772#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1773#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1774
8141890a
JH		 1775/* According to strict ANSI C89 one cannot freely cast between
1776 * data pointers and function (code) pointers. There are at least
1777 * two ways around this. One (used below) is to do two casts,
1778 * first the other pointer to an (unsigned) integer, and then
1779 * the integer to the other pointer. The other way would be
1780 * to use unions to "overlay" the pointers. For an example of
1781 * the latter technique, see union dirpu in struct xpvio in sv.h.
1782 * The only feasible use is probably temporarily storing
1783 * function pointers in a data pointer (such as a void pointer). */
1784
e91e3b10
RB		 1785#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1786#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1787
65202027 1788#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1789# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1790# define LONG_DOUBLE_EQUALS_DOUBLE
1791# endif
68d4903c 1792# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1793# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1794# endif
1795#endif
1796
2d4389e4
JH		 1797#ifdef OVR_DBL_DIG
1798/* Use an overridden DBL_DIG */
1799# ifdef DBL_DIG
1800# undef DBL_DIG
1801# endif
1802# define DBL_DIG OVR_DBL_DIG
1803#else
1804/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1805 default value for printing floating point numbers in Gconvert
1806 (see config.h). (It also has other uses, such as figuring out if
1807 a given precision of printing can be done with a double instead of
1808 a long double - Allen).
2d4389e4
JH		 1809*/
1810#ifdef I_LIMITS
1811#include <limits.h>
1812#endif
1813#ifdef I_FLOAT
1814#include <float.h>
1815#endif
1816#ifndef HAS_DBL_DIG
1817#define DBL_DIG 15 /* A guess that works lots of places */
1818#endif
1819#endif
1820
1821#ifdef OVR_LDBL_DIG
1822/* Use an overridden LDBL_DIG */
1823# ifdef LDBL_DIG
1824# undef LDBL_DIG
1825# endif
1826# define LDBL_DIG OVR_LDBL_DIG
1827#else
1828/* The following is all to get LDBL_DIG, in order to pick a nice
1829 default value for printing floating point numbers in Gconvert.
1830 (see config.h)
1831*/
68d4903c
JH		 1832# ifdef I_LIMITS
1833# include <limits.h>
1834# endif
1835# ifdef I_FLOAT
1836# include <float.h>
1837# endif
1838# ifndef HAS_LDBL_DIG
1839# if LONG_DOUBLESIZE == 10
1840# define LDBL_DIG 18 /* assume IEEE */
1841# else
1842# if LONG_DOUBLESIZE == 12
1843# define LDBL_DIG 18 /* gcc? */
1844# else
1845# if LONG_DOUBLESIZE == 16
1846# define LDBL_DIG 33 /* assume IEEE */
1847# else
1848# if LONG_DOUBLESIZE == DOUBLESIZE
1849# define LDBL_DIG DBL_DIG /* bummer */
1850# endif
1851# endif
1852# endif
1853# endif
1854# endif
2d4389e4
JH		 1855#endif
1856
20f6aaab
AS		 1857/*
1858 * This is for making sure we have a good DBL_MAX value, if possible,
1859 * either for usage as NV_MAX or for usage in figuring out if we can
1860 * fit a given long double into a double, if bug-fixing makes it
1861 * necessary to do so. - Allen <allens@cpan.org>
1862 */
1863
205f51d8
AS		 1864#ifdef I_LIMITS
1865# include <limits.h>
20f6aaab
AS		 1866#endif
1867
205f51d8
AS		 1868#ifdef I_VALUES
1869# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1870# include <values.h>
1871# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1872# define DBL_MAX MAXDOUBLE
1873# endif
1874# if defined(MINDOUBLE) && !defined(DBL_MIN)
1875# define DBL_MIN MINDOUBLE
1876# endif
1877# endif
1878#endif /* defined(I_VALUES) */
1879
a22e52b9 1880typedef NVTYPE NV;
8175356b 1881
792d8dab
JH		 1882#ifdef I_IEEEFP
1883# include <ieeefp.h>
1884#endif
923fc586 1885
65202027 1886#ifdef USE_LONG_DOUBLE
923fc586
JH		 1887# ifdef I_SUNMATH
1888# include <sunmath.h>
1889# endif
2d4389e4 1890# define NV_DIG LDBL_DIG
d6c14000
JH		 1891# ifdef LDBL_MANT_DIG
1892# define NV_MANT_DIG LDBL_MANT_DIG
1893# endif
06fc1729
JH		 1894# ifdef LDBL_MIN
1895# define NV_MIN LDBL_MIN
1896# endif
1897# ifdef LDBL_MAX
1898# define NV_MAX LDBL_MAX
1899# endif
1900# ifdef LDBL_MIN_10_EXP
1901# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1902# endif
1903# ifdef LDBL_MAX_10_EXP
1904# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1905# endif
1906# ifdef LDBL_EPSILON
1907# define NV_EPSILON LDBL_EPSILON
1908# endif
f4a14a62
JH		 1909# ifdef LDBL_MAX
1910# define NV_MAX LDBL_MAX
20f6aaab 1911/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1912# else
1913# ifdef HUGE_VALL
1914# define NV_MAX HUGE_VALL
1915# else
1916# ifdef HUGE_VAL
1917# define NV_MAX ((NV)HUGE_VAL)
1918# endif
1919# endif
1920# endif
68d4903c 1921# ifdef HAS_SQRTL
68d4903c
JH		 1922# define Perl_cos cosl
1923# define Perl_sin sinl
1924# define Perl_sqrt sqrtl
1925# define Perl_exp expl
1926# define Perl_log logl
1927# define Perl_atan2 atan2l
1928# define Perl_pow powl
1929# define Perl_floor floorl
1bbae031 1930# define Perl_ceil ceill
68d4903c
JH		 1931# define Perl_fmod fmodl
1932# endif
a3540c92
JH		 1933/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1934# ifdef HAS_MODFL
1935# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1936/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1937 prototype in <math.h> */
1938# ifndef HAS_MODFL_PROTO
a221a8a5 1939EXTERN_C long double modfl(long double, long double *);
51997bc3 1940# endif
03476e8e
JH		 1941# else
1942# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1943 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1944# define Perl_modf(x,y) Perl_my_modfl(x,y)
1945# endif
a3540c92
JH		 1946# endif
1947# ifdef HAS_FREXPL
dff3e0b8 1948# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1949# else
1950# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1951 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1952# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1953# endif
a3540c92 1954# endif
38dbb4c5 1955# ifndef Perl_isnan
758a5d79
JH		 1956# ifdef HAS_ISNANL
1957# define Perl_isnan(x) isnanl(x)
1958# endif
1959# endif
1960# ifndef Perl_isinf
1961# ifdef HAS_FINITEL
1962# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1963# endif
1964# endif
65202027 1965#else
2d4389e4 1966# define NV_DIG DBL_DIG
d6c14000
JH		 1967# ifdef DBL_MANT_DIG
1968# define NV_MANT_DIG DBL_MANT_DIG
1969# endif
06fc1729
JH		 1970# ifdef DBL_MIN
1971# define NV_MIN DBL_MIN
1972# endif
1973# ifdef DBL_MAX
1974# define NV_MAX DBL_MAX
1975# endif
1976# ifdef DBL_MIN_10_EXP
1977# define NV_MIN_10_EXP DBL_MIN_10_EXP
1978# endif
1979# ifdef DBL_MAX_10_EXP
1980# define NV_MAX_10_EXP DBL_MAX_10_EXP
1981# endif
1982# ifdef DBL_EPSILON
1983# define NV_EPSILON DBL_EPSILON
1984# endif
205f51d8 1985# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1986# define NV_MAX DBL_MAX
1987# define NV_MIN DBL_MIN
1988# else
1989# ifdef HUGE_VAL
1990# define NV_MAX HUGE_VAL
1991# endif
1992# endif
65202027
DS		 1993# define Perl_cos cos
1994# define Perl_sin sin
1995# define Perl_sqrt sqrt
1996# define Perl_exp exp
1997# define Perl_log log
1998# define Perl_atan2 atan2
1999# define Perl_pow pow
2000# define Perl_floor floor
1bbae031 2001# define Perl_ceil ceil
65202027 2002# define Perl_fmod fmod
a3540c92 2003# define Perl_modf(x,y) modf(x,y)
dff3e0b8 2004# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 2005#endif
2006
2007/* rumor has it that Win32 has _fpclass() */
2008
205f51d8
AS		 2009/* SGI has fpclassl... but not with the same result values,
2010 * and it's via a typedef (not via #define), so will need to redo Configure
2011 * to use. Not worth the trouble, IMO, at least until the below is used
2012 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
2013 * with me for the SGI manpages, SGI testing, etcetera, if you want to
2014 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
2015
758a5d79
JH		 2016#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2017# ifdef I_IEEFP
2018# include <ieeefp.h>
2019# endif
2020# ifdef I_FP
2021# include <fp.h>
2022# endif
2023# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2024# define Perl_fp_class() fpclassl(x)
2025# else
2026# define Perl_fp_class() fpclass(x)
2027# endif
2028# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2029# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2030# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2031# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2032# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2033# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2034# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2035# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2036# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2037# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2038# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2039# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2040# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2041# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2042# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2043#endif
2044
7114a2d2 2045#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2046# include <math.h>
2047# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2048# include <fp_class.h>
2049# endif
2050# define Perl_fp_class(x) fp_class(x)
2051# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2052# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2053# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2054# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2055# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2056# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2057# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2058# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2059# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2060# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2061# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2062# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2063# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2064# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2065# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2066#endif
2067
2068#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2069# include <math.h>
2070# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2071# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2072# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2073# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2074# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2075# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2076#endif
2077
2078#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2079# include <math.h>
2080# ifndef _cplusplus
2081# define Perl_fp_class(x) class(x)
2082# else
2083# define Perl_fp_class(x) _class(x)
2084# endif
2085# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2086# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2087# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2088# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2089# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2090# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2091# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2092# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2093# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2094# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2095# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2096# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2097# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2098# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2099# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2100#endif
2101
2102/* rumor has it that Win32 has _isnan() */
2103
2104#ifndef Perl_isnan
a3540c92 2105# ifdef HAS_ISNAN
758a5d79
JH		 2106# define Perl_isnan(x) isnan((NV)x)
2107# else
2108# ifdef Perl_fp_class_nan
2109# define Perl_isnan(x) Perl_fp_class_nan(x)
2110# else
2111# ifdef HAS_UNORDERED
2112# define Perl_isnan(x) unordered((x), 0.0)
2113# else
2114# define Perl_isnan(x) ((x)!=(x))
2115# endif
2116# endif
2117# endif
2118#endif
2119
ca6c63e1
JH		 2120#ifdef UNDER_CE
2121int isnan(double d);
2122#endif
2123
758a5d79
JH		 2124#ifndef Perl_isinf
2125# ifdef HAS_ISINF
2126# define Perl_isinf(x) isinf((NV)x)
a3540c92 2127# else
758a5d79
JH		 2128# ifdef Perl_fp_class_inf
2129# define Perl_isinf(x) Perl_fp_class_inf(x)
2130# else
2131# define Perl_isinf(x) ((x)==NV_INF)
2132# endif
2133# endif
2134#endif
2135
2136#ifndef Perl_isfinite
2137# ifdef HAS_FINITE
2138# define Perl_isfinite(x) finite((NV)x)
2139# else
2140# ifdef HAS_ISFINITE
2141# define Perl_isfinite(x) isfinite(x)
2142# else
2143# ifdef Perl_fp_class_finite
2144# define Perl_isfinite(x) Perl_fp_class_finite(x)
2145# else
2146# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2147# endif
2148# endif
a3540c92 2149# endif
65202027
DS		 2150#endif
2151
a36244b7
JH		 2152/* The default is to use Perl's own atof() implementation (in numeric.c).
2153 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2154 * it is however best to use the native implementation of atof.
2155 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2156 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2157 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2158 * you may need to be using a different function than atof! */
a36244b7
JH		 2159
2160#ifndef USE_PERL_ATOF
2161# ifndef _UNICOS
2162# define USE_PERL_ATOF
2163# endif
2164#else
2165# if USE_PERL_ATOF == 0
2166# undef USE_PERL_ATOF
2167# endif
2168#endif
2169
2170#ifdef USE_PERL_ATOF
2171# define Perl_atof(s) Perl_my_atof(s)
2172# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2173#else
2174# define Perl_atof(s) (NV)atof(s)
2175# define Perl_atof2(s, n) ((n) = atof(s))
2176#endif
cf2093f6 2177
d460ef45 2178/* Previously these definitions used hardcoded figures.
760ac839
LW		 2179 * It is hoped these formula are more portable, although
2180 * no data one way or another is presently known to me.
2181 * The "PERL_" names are used because these calculated constants
2182 * do not meet the ANSI requirements for LONG_MAX, etc., which
2183 * need to be constants acceptable to #if - kja
2184 * define PERL_LONG_MAX 2147483647L
2185 * define PERL_LONG_MIN (-LONG_MAX - 1)
2186 * define PERL ULONG_MAX 4294967295L
2187 */
2188
2189#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2190# include <limits.h>
760ac839 2191#endif
205f51d8
AS		 2192/* Included values.h above if necessary; still including limits.h down here,
2193 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2194
99abf803 2195/*
2196 * Try to figure out max and min values for the integral types. THE CORRECT
2197 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2198 * following hacks are used if neither limits.h or values.h provide them:
2199 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2200 * for types < int: (unsigned TYPE)~(unsigned)0
2201 * The argument to ~ must be unsigned so that later signed->unsigned
2202 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2203 * and it must not be smaller than int because ~ does integral promotion.
2204 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2205 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2206 * The latter is a hack which happens to work on some machines but
2207 * does *not* catch any random system, or things like integer types
2208 * with NaN if that is possible.
2209 *
2210 * All of the types are explicitly cast to prevent accidental loss of
2211 * numeric range, and in the hope that they will be less likely to confuse
2212 * over-eager optimizers.
2213 *
2214 */
27d4fb96 2215
99abf803 2216#define PERL_UCHAR_MIN ((unsigned char)0)
2217
2218#ifdef UCHAR_MAX
2219# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2220#else
99abf803 2221# ifdef MAXUCHAR
2222# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2223# else
99abf803 2224# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2225# endif
2226#endif
d460ef45 2227
99abf803 2228/*
2229 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2230 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2231 * depending on local options. Until Configure detects this (or at least
2232 * detects whether the "signed" keyword is available) the CHAR ranges
2233 * will not be included. UCHAR functions normally.
2234 * - kja
2235 */
27d4fb96 2236
99abf803 2237#define PERL_USHORT_MIN ((unsigned short)0)
2238
2239#ifdef USHORT_MAX
2240# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2241#else
99abf803 2242# ifdef MAXUSHORT
2243# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2244# else
ef2f54b0
CB		 2245# ifdef USHRT_MAX
2246# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2247# else
2248# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2249# endif
27d4fb96 2250# endif
2251#endif
2252
27d4fb96 2253#ifdef SHORT_MAX
99abf803 2254# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2255#else
2256# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2257# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2258# else
ef2f54b0
CB		 2259# ifdef SHRT_MAX
2260# define PERL_SHORT_MAX ((short)SHRT_MAX)
2261# else
2262# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2263# endif
27d4fb96 2264# endif
2265#endif
2266
2267#ifdef SHORT_MIN
99abf803 2268# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2269#else
2270# ifdef MINSHORT
99abf803 2271# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2272# else
ef2f54b0
CB		 2273# ifdef SHRT_MIN
2274# define PERL_SHORT_MIN ((short)SHRT_MIN)
2275# else
2276# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2277# endif
27d4fb96 2278# endif
2279#endif
2280
99abf803 2281#ifdef UINT_MAX
2282# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2283#else
99abf803 2284# ifdef MAXUINT
2285# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2286# else
99abf803 2287# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2288# endif
2289#endif
2290
99abf803 2291#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2292
2293#ifdef INT_MAX
99abf803 2294# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2295#else
2296# ifdef MAXINT /* Often used in <values.h> */
99abf803 2297# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2298# else
99abf803 2299# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2300# endif
2301#endif
2302
2303#ifdef INT_MIN
99abf803 2304# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2305#else
2306# ifdef MININT
99abf803 2307# define PERL_INT_MIN ((int)MININT)
27d4fb96 2308# else
2309# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2310# endif
2311#endif
2312
99abf803 2313#ifdef ULONG_MAX
2314# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2315#else
99abf803 2316# ifdef MAXULONG
2317# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2318# else
99abf803 2319# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2320# endif
2321#endif
2322
99abf803 2323#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2324
760ac839 2325#ifdef LONG_MAX
99abf803 2326# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2327#else
2328# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2329# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2330# else
99abf803 2331# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2332# endif
2333#endif
2334
2335#ifdef LONG_MIN
99abf803 2336# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2337#else
2338# ifdef MINLONG
99abf803 2339# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2340# else
27d4fb96 2341# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2342# endif
2343#endif
2344
d7d93a81 2345#ifdef UV_IS_QUAD
99abf803 2346
99abf803 2347# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2348# define PERL_UQUAD_MIN ((UV)0)
99abf803 2349# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2350# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2351
79072805
LW		 2352#endif
2353
22f7c9c9
JH		 2354#ifdef MYMALLOC
2355# include "malloc_ctl.h"
2356#endif
2357
830247a4 2358struct RExC_state_t;
8e11feef 2359struct _reg_trie_data;
880b20b6 2360
ee0007ab 2361typedef MEM_SIZE STRLEN;
450a55e4 2362
598921a7
NC		 2363#ifdef PERL_MAD
2364typedef struct token TOKEN;
2365typedef struct madprop MADPROP;
2366typedef struct nexttoken NEXTTOKE;
2367#endif
79072805
LW		 2368typedef struct op OP;
2369typedef struct cop COP;
2370typedef struct unop UNOP;
2371typedef struct binop BINOP;
2372typedef struct listop LISTOP;
2373typedef struct logop LOGOP;
79072805
LW		 2374typedef struct pmop PMOP;
2375typedef struct svop SVOP;
7934575e 2376typedef struct padop PADOP;
79072805 2377typedef struct pvop PVOP;
79072805
LW		 2378typedef struct loop LOOP;
2379
cd1541b2
NC		 2380typedef struct interpreter PerlInterpreter;
2381
d2b3f365
SS		 2382/* Amdahl's <ksync.h> has struct sv */
2383/* SGI's <sys/sema.h> has struct sv */
2384#if defined(UTS) || defined(__sgi)
2385# define STRUCT_SV perl_sv
b8d3c5db
JH		 2386#else
2387# define STRUCT_SV sv
2388#endif
2389typedef struct STRUCT_SV SV;
79072805
LW		 2390typedef struct av AV;
2391typedef struct hv HV;
2392typedef struct cv CV;
288b8c02 2393typedef struct regexp ORANGE; /* This is the body structure. */
d2f13c59 2394typedef struct p5rx REGEXP;
79072805 2395typedef struct gp GP;
0c30d9ec 2396typedef struct gv GV;
8990e307 2397typedef struct io IO;
c09156bb 2398typedef struct context PERL_CONTEXT;
79072805
LW		 2399typedef struct block BLOCK;
2400
2401typedef struct magic MAGIC;
2402typedef struct xpv XPV;
2403typedef struct xpviv XPVIV;
ff68c719 2404typedef struct xpvuv XPVUV;
79072805
LW		 2405typedef struct xpvnv XPVNV;
2406typedef struct xpvmg XPVMG;
2407typedef struct xpvlv XPVLV;
2408typedef struct xpvav XPVAV;
2409typedef struct xpvhv XPVHV;
2410typedef struct xpvgv XPVGV;
2411typedef struct xpvcv XPVCV;
2412typedef struct xpvbm XPVBM;
2413typedef struct xpvfm XPVFM;
8990e307 2414typedef struct xpvio XPVIO;
79072805
LW		 2415typedef struct mgvtbl MGVTBL;
2416typedef union any ANY;
5f7fde29
GS		 2417typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2418typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2419typedef struct clone_params CLONE_PARAMS;
2420
378cc40b 2421#include "handy.h"
a0d0e21e 2422
6b8eaf93 2423#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2424# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2425# define USE_64_BIT_RAWIO /* implicit */
2426# endif
4564133c
JH		 2427#endif
2428
6b8eaf93
JH		 2429/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2430 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2431 * however, because operating systems like to do that themself. */
2432#ifndef FSEEKSIZE
2433# ifdef HAS_FSEEKO
2434# define FSEEKSIZE LSEEKSIZE
2435# else
2436# define FSEEKSIZE LONGSIZE
d460ef45 2437# endif
6b8eaf93
JH		 2438#endif
2439
2440#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2441# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2442# define USE_64_BIT_STDIO /* implicit */
2443# endif
2444#endif
4564133c 2445
09458382 2446#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2447# ifdef HAS_OFF64_T
2448# undef Off_t
2449# define Off_t off64_t
2450# undef LSEEKSIZE
2451# define LSEEKSIZE 8
5ff3f7a4 2452# endif
d9b3e12d
JH		 2453/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2454 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2455 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2456# if defined(USE_OPEN64)
2457# define open open64
5ff3f7a4 2458# endif
d9b3e12d
JH		 2459# if defined(USE_LSEEK64)
2460# define lseek lseek64
6b8eaf93
JH		 2461# else
2462# if defined(USE_LLSEEK)
2463# define lseek llseek
2464# endif
d9b3e12d
JH		 2465# endif
2466# if defined(USE_STAT64)
2467# define stat stat64
2468# endif
2469# if defined(USE_FSTAT64)
2470# define fstat fstat64
2471# endif
2472# if defined(USE_LSTAT64)
2473# define lstat lstat64
2474# endif
2475# if defined(USE_FLOCK64)
2476# define flock flock64
2477# endif
2478# if defined(USE_LOCKF64)
2479# define lockf lockf64
2480# endif
2481# if defined(USE_FCNTL64)
2482# define fcntl fcntl64
2483# endif
2484# if defined(USE_TRUNCATE64)
2485# define truncate truncate64
2486# endif
2487# if defined(USE_FTRUNCATE64)
2488# define ftruncate ftruncate64
2489# endif
2490#endif
2491
2492#ifdef USE_64_BIT_STDIO
2493# ifdef HAS_FPOS64_T
2494# undef Fpos_t
2495# define Fpos_t fpos64_t
2496# endif
2497/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2498 * will trigger defines like the ones below. Some 64-bit environments,
2499 * however, do not. */
2500# if defined(USE_FOPEN64)
2501# define fopen fopen64
2502# endif
2503# if defined(USE_FSEEK64)
6b8eaf93 2504# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2505# endif
2506# if defined(USE_FTELL64)
6b8eaf93 2507# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2508# endif
2509# if defined(USE_FSETPOS64)
2510# define fsetpos fsetpos64
2511# endif
2512# if defined(USE_FGETPOS64)
2513# define fgetpos fgetpos64
2514# endif
2515# if defined(USE_TMPFILE64)
2516# define tmpfile tmpfile64
2517# endif
2518# if defined(USE_FREOPEN64)
2519# define freopen freopen64
5ff3f7a4
GS		 2520# endif
2521#endif
2522
af8b425d 2523#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2524# include "iperlsys.h"
2525#endif
2526
6f71a643 2527#if defined(__OPEN_VM)
19848b3f
JH		 2528# include "vmesa/vmesaish.h"
2529# define ISHISH "vmesa"
6f71a643
JH		 2530#endif
2531
748a9306 2532#ifdef DOSISH
19848b3f
JH		 2533# if defined(OS2)
2534# include "os2ish.h"
2535# else
2536# include "dosish.h"
2537# endif
2538# define ISHISH "dos"
2539#endif
2540
2541#if defined(VMS)
748a9306 2542# include "vmsish.h"
96e176bf 2543# include "embed.h"
eb8433b7
NC		 2544# ifndef PERL_MAD
2545# undef op_getmad
b3f24c00 2546# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2547# endif
19848b3f
JH		 2548# define ISHISH "vms"
2549#endif
2550
2551#if defined(PLAN9)
2552# include "./plan9/plan9ish.h"
2553# define ISHISH "plan9"
2554#endif
2555
2556#if defined(MPE)
2557# include "mpeix/mpeixish.h"
2558# define ISHISH "mpeix"
2559#endif
2560
2561#if defined(__VOS__)
196918b0
PG		 2562# ifdef __GNUC__
2563# include "./vos/vosish.h"
2564# else
2565# include "vos/vosish.h"
2566# endif
19848b3f
JH		 2567# define ISHISH "vos"
2568#endif
2569
2570#if defined(EPOC)
2571# include "epocish.h"
2572# define ISHISH "epoc"
2573#endif
2574
9969cdde 2575#ifdef __SYMBIAN32__
27da23d5
JH		 2576# include "symbian/symbianish.h"
2577# include "embed.h"
eb8433b7
NC		 2578# ifndef PERL_MAD
2579# undef op_getmad
b3f24c00 2580# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2581# endif
27da23d5
JH		 2582# define ISHISH "symbian"
2583#endif
2584
19848b3f
JH		 2585#if defined(MACOS_TRADITIONAL)
2586# include "macos/macish.h"
2587# ifndef NO_ENVIRON_ARRAY
2588# define NO_ENVIRON_ARRAY
0c30d9ec 2589# endif
19848b3f
JH		 2590# define ISHISH "macos classic"
2591#endif
2592
df00ff3b
IW		 2593#if defined(__HAIKU__)
2594# include "haiku/haikuish.h"
2595# define ISHISH "haiku"
2596#elif defined(__BEOS__)
efca5cc6
JH		 2597# include "beos/beosish.h"
2598# define ISHISH "beos"
2599#endif
2600
19848b3f
JH		 2601#ifndef ISHISH
2602# include "unixish.h"
2603# define ISHISH "unix"
13b6e58c
JH		 2604#endif
2605
2946a158
JH		 2606/* NSIG logic from Configure --> */
2607/* Strange style to avoid deeply-nested #if/#else/#endif */
2608#ifndef NSIG
2609# ifdef _NSIG
2610# define NSIG (_NSIG)
2611# endif
2612#endif
2613
2614#ifndef NSIG
2615# ifdef SIGMAX
2616# define NSIG (SIGMAX+1)
2617# endif
2618#endif
2619
2620#ifndef NSIG
2621# ifdef SIG_MAX
2622# define NSIG (SIG_MAX+1)
2623# endif
2624#endif
2625
2626#ifndef NSIG
2627# ifdef _SIG_MAX
2628# define NSIG (_SIG_MAX+1)
2629# endif
2630#endif
2631
2632#ifndef NSIG
2633# ifdef MAXSIG
2634# define NSIG (MAXSIG+1)
2635# endif
2636#endif
2637
2638#ifndef NSIG
2639# ifdef MAX_SIG
2640# define NSIG (MAX_SIG+1)
2641# endif
2642#endif
2643
2644#ifndef NSIG
2645# ifdef SIGARRAYSIZE
2646# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2647# endif
2648#endif
2649
2650#ifndef NSIG
2651# ifdef _sys_nsig
2652# define NSIG (_sys_nsig) /* Solaris 2.5 */
2653# endif
2654#endif
2655
2656/* Default to some arbitrary number that's big enough to get most
2657 of the common signals.
2658*/
2659#ifndef NSIG
2660# define NSIG 50
2661#endif
2662/* <-- NSIG logic from Configure */
2663
13b6e58c
JH		 2664#ifndef NO_ENVIRON_ARRAY
2665# define USE_ENVIRON_ARRAY
2666#endif
32f822de 2667
c77b533b
JH		 2668/*
2669 * initialise to avoid floating-point exceptions from overflow, etc
2670 */
2671#ifndef PERL_FPU_INIT
2672# ifdef HAS_FPSETMASK
2673# if HAS_FLOATINGPOINT_H
2674# include <floatingpoint.h>
2675# endif
ad3a8c67
NC		 2676/* Some operating systems have this as a macro, which in turn expands to a comma
2677 expression, and the last sub-expression is something that gets calculated,
2678 and then they have the gall to warn that a value computed is not used. Hence
2679 cast to void. */
2680# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2681# else
2f42fcb0 2682# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2683# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2684# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2685# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2686# else
2687# define PERL_FPU_INIT
2f42fcb0 2688
7014c407 2689# endif
c77b533b
JH		 2690# endif
2691#endif
b35112e7
CS		 2692#ifndef PERL_FPU_PRE_EXEC
2693# define PERL_FPU_PRE_EXEC {
2694# define PERL_FPU_POST_EXEC }
2695#endif
c77b533b 2696
cbec8ebe
DM		 2697#ifndef PERL_SYS_INIT3_BODY
2698# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2699#endif
2700
cbec8ebe
DM		 2701#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2702#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2703#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2704
be708cc0
JH		 2705#ifndef PERL_WRITE_MSG_TO_CONSOLE
2706# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2707#endif
2708
0f31cffe
GS		 2709#ifndef MAXPATHLEN
2710# ifdef PATH_MAX
b990c8b2
JH		 2711# ifdef _POSIX_PATH_MAX
2712# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2713/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2714 * included the null byte or not. Later amendments of POSIX,
2715 * XPG4, the Austin Group, and the Single UNIX Specification
2716 * all explicitly include the null byte in the PATH_MAX.
2717 * Ditto for _POSIX_PATH_MAX. */
2718# define MAXPATHLEN PATH_MAX
b990c8b2 2719# else
09448d78 2720# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2721# endif
2722# else
2723# define MAXPATHLEN (PATH_MAX+1)
2724# endif
0f31cffe 2725# else
b990c8b2 2726# ifdef _POSIX_PATH_MAX
09448d78 2727# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2728# else
2729# define MAXPATHLEN 1024 /* Err on the large side. */
2730# endif
0f31cffe
GS		 2731# endif
2732#endif
2733
c80263a8
SH		 2734/* In case Configure was not used (we are using a "canned config"
2735 * such as Win32, or a cross-compilation setup, for example) try going
2736 * by the gcc major and minor versions. One useful URL is
2737 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2738 * but contrary to this information warn_unused_result seems
2739 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2740 * Also, when building extensions with an installed perl, this allows
2741 * the user to upgrade gcc and get the right attributes, rather than
2742 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2743 * Set these up now otherwise we get confused when some of the <*thread.h>
2744 * includes below indirectly pull in <perlio.h> (which needs to know if we
2745 * have HASATTRIBUTE_FORMAT).
2746 */
2747
4d7c7898 2748#ifndef PERL_MICRO
fc2007d4 2749#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2750# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2751# define HASATTRIBUTE_DEPRECATED
2752# endif
c80263a8
SH		 2753# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2754# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2755# if defined __MINGW32__
2756# define PRINTF_FORMAT_NULL_OK
2757# endif
c80263a8
SH		 2758# endif
2759# if __GNUC__ >= 3 /* 3.0 -> */
2760# define HASATTRIBUTE_MALLOC
2761# endif
2762# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2763# define HASATTRIBUTE_NONNULL
2764# endif
2765# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2766# define HASATTRIBUTE_NORETURN
2767# endif
2768# if __GNUC__ >= 3 /* gcc 3.0 -> */
2769# define HASATTRIBUTE_PURE
2770# endif
42bf5550 2771# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2772# define HASATTRIBUTE_UNUSED
2773# endif
d324fe49
AD		 2774# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2775# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2776# endif
c80263a8
SH		 2777# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2778# define HASATTRIBUTE_WARN_UNUSED_RESULT
2779# endif
2780#endif
4d7c7898 2781#endif /* #ifndef PERL_MICRO */
c80263a8 2782
3db8f154 2783/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2784 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2785 * this results in many functions being undeclared which bothers C++
2786 * May make sense to have threads after "*ish.h" anyway
2787 */
2788
3db8f154 2789#if defined(USE_ITHREADS)
2986a63f
JH		 2790# ifdef NETWARE
2791# include <nw5thread.h>
2792# else
32f822de
GS		 2793# ifdef FAKE_THREADS
2794# include "fakethr.h"
2795# else
2796# ifdef WIN32
2797# include <win32thread.h>
2798# else
dd96f567
IZ		 2799# ifdef OS2
2800# include "os2thread.h"
2801# else
7f3d1cf1 2802# ifdef I_MACH_CTHREADS
bdd66968 2803# include <mach/cthreads.h>
8f1f23e8 2804# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2805# define MUTEX_INIT_CALLS_MALLOC
2806# endif
7f3d1cf1
BH		 2807typedef cthread_t perl_os_thread;
2808typedef mutex_t perl_mutex;
2809typedef condition_t perl_cond;
2810typedef void * perl_key;
2811# else /* Posix threads */
1f5ae88c
JH		 2812# ifdef I_PTHREAD
2813# include <pthread.h>
2814# endif
7f3d1cf1
BH		 2815typedef pthread_t perl_os_thread;
2816typedef pthread_mutex_t perl_mutex;
2817typedef pthread_cond_t perl_cond;
2818typedef pthread_key_t perl_key;
2819# endif /* I_MACH_CTHREADS */
dd96f567 2820# endif /* OS2 */
32f822de
GS		 2821# endif /* WIN32 */
2822# endif /* FAKE_THREADS */
2986a63f 2823#endif /* NETWARE */
3db8f154 2824#endif /* USE_ITHREADS */
c5be433b 2825
66a93824 2826#if defined(WIN32)
1feb2720 2827# include "win32.h"
c5be433b
GS		 2828#endif
2829
2986a63f
JH		 2830#ifdef NETWARE
2831# include "netware.h"
2832#endif
2833
e5218da5 2834#define STATUS_UNIX PL_statusvalue
68dc0745 2835#ifdef VMS
6b88bc9c 2836# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2837/*
2838 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2839 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2840 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2841 * be updated also.
2842 */
2843# include <stsdef.h>
2844# include <ssdef.h>
2845/* Presume this because if VMS changes it, it will require a new
2846 * set of APIs for waiting on children for binary compatibility.
2847 */
2848# define child_offset_bits (8)
2849# ifndef C_FAC_POSIX
2850# define C_FAC_POSIX 0x35A000
2851# endif
2852
2853/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2854 * platform from the existing UNIX or Native status values.
2855 */
2856
37038d91 2857# define STATUS_EXIT \
7a7fd8e0
JM		 2858 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2859 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2860
7a7fd8e0 2861
fb38d079
JM		 2862/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2863 * exit code and shifts the UNIX value over the correct number of bits to
2864 * be a child status. Usually the number of bits is 8, but that could be
2865 * platform dependent. The NATIVE status code is presumed to have either
2866 * from a child process.
7a7fd8e0
JM		 2867 */
2868
fb38d079
JM		 2869/* This is complicated. The child processes return a true native VMS
2870 status which must be saved. But there is an assumption in Perl that
2871 the UNIX child status has some relationship to errno values, so
2872 Perl tries to translate it to text in some of the tests.
2873 In order to get the string translation correct, for the error, errno
2874 must be EVMSERR, but that generates a different text message
2875 than what the test programs are expecting. So an errno value must
2876 be derived from the native status value when an error occurs.
2877 That will hide the true native status message. With this version of
2878 perl, the true native child status can always be retrieved so that
2879 is not a problem. But in this case, Pl_statusvalue and errno may
2880 have different values in them.
2881 */
7a7fd8e0 2882
fb38d079 2883# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2884 STMT_START { \
2fbb330f
JM		 2885 I32 evalue = (I32)n; \
2886 if (evalue == EVMSERR) { \
2887 PL_statusvalue_vms = vaxc$errno; \
2888 PL_statusvalue = evalue; \
7a7fd8e0 2889 } else { \
2fbb330f 2890 PL_statusvalue_vms = evalue; \
fb38d079 2891 if (evalue == -1) { \
3280af22 2892 PL_statusvalue = -1; \
7a7fd8e0
JM		 2893 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2894 } else \
fb38d079 2895 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2896 set_vaxc_errno(evalue); \
fb38d079
JM		 2897 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2898 set_errno(EVMSERR); \
2899 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2900 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2901 } \
68dc0745 2902 } STMT_END
7a7fd8e0 2903
68dc0745 2904# ifdef VMSISH_STATUS
e5218da5 2905# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2906# else
e5218da5 2907# define STATUS_CURRENT STATUS_UNIX
68dc0745 2908# endif
7a7fd8e0
JM		 2909
2910 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2911 * the NATIVE status to an equivalent value. Can not be used to translate
2912 * exit code values as exit code values are not guaranteed to have any
2913 * relationship at all to errno values.
2914 * This is used when Perl is forcing errno to have a specific value.
2915 */
e5218da5 2916# define STATUS_UNIX_SET(n) \
68dc0745 2917 STMT_START { \
7a7fd8e0 2918 I32 evalue = (I32)n; \
0968cdad 2919 PL_statusvalue = evalue; \
3280af22 2920 if (PL_statusvalue != -1) { \
0968cdad
JM		 2921 if (PL_statusvalue != EVMSERR) { \
2922 PL_statusvalue &= 0xFFFF; \
2923 if (MY_POSIX_EXIT) \
2924 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2925 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2926 } \
2927 else { \
2928 PL_statusvalue_vms = vaxc$errno; \
2929 } \
68dc0745 2930 } \
0968cdad
JM		 2931 else PL_statusvalue_vms = SS$_ABORT; \
2932 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2933 } STMT_END
2934
2935 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2936 * the NATIVE error status based on it. It does not assume that
fb38d079
JM		 2937 * the UNIX/POSIX exit codes have any relationship to errno, except
2938 * that 0 indicates a success. When in the default mode to comply
6ac6a52b
JM		 2939 * with the Perl VMS documentation, any other code sets the NATIVE
2940 * status to a failure code of SS$_ABORT.
fb38d079
JM		 2941 *
2942 * In the new POSIX EXIT mode, native status will be set so that the
2943 * actual exit code will can be retrieved by the calling program or
2944 * shell.
2945 *
2946 * If the exit code is not clearly a UNIX parent or child exit status,
2947 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2948 */
2949
fb38d079 2950# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2951 STMT_START { \
2952 I32 evalue = (I32)n; \
2953 PL_statusvalue = evalue; \
fb38d079
JM		 2954 if (evalue != -1) { \
2955 if (evalue <= 0xFF00) { \
2956 if (evalue > 0xFF) \
2957 evalue = (evalue >> child_offset_bits) & 0xFF; \
2958 if (evalue == 0) \
2959 PL_statusvalue_vms == SS$_NORMAL; \
2960 else \
2961 if (MY_POSIX_EXIT) \
1a3aec58
JM		 2962 PL_statusvalue_vms = \
2963 (C_FAC_POSIX | (evalue << 3 ) | \
2964 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
0968cdad 2965 else \
6ac6a52b 2966 PL_statusvalue_vms = SS$_ABORT; \
fb38d079
JM		 2967 } else { /* forgive them Perl, for they have sinned */ \
2968 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2969 else PL_statusvalue_vms = vaxc$errno; \
2970 /* And obviously used a VMS status value instead of UNIX */ \
2971 PL_statusvalue = EVMSERR; \
2972 } \
7a7fd8e0
JM		 2973 } \
2974 else PL_statusvalue_vms = SS$_ABORT; \
2975 set_vaxc_errno(PL_statusvalue_vms); \
68dc0745 2976 } STMT_END
fb38d079 2977
6ac6a52b
JM		 2978 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2979 * and sets the NATIVE error status based on it. This special case
2980 * is needed to maintain compatibility with past VMS behavior.
2981 *
2982 * In the default mode on VMS, this number is passed through as
2983 * both the NATIVE and UNIX status. Which makes it different
2984 * that the STATUS_UNIX_EXIT_SET.
2985 *
2986 * In the new POSIX EXIT mode, native status will be set so that the
2987 * actual exit code will can be retrieved by the calling program or
2988 * shell.
2989 *
1a3aec58
JM		 2990 * A POSIX exit code is from 0 to 255. If the exit code is higher
2991 * than this, it needs to be assumed that it is a VMS exit code and
2992 * passed through.
6ac6a52b
JM		 2993 */
2994
2995# define STATUS_EXIT_SET(n) \
2996 STMT_START { \
2997 I32 evalue = (I32)n; \
2998 PL_statusvalue = evalue; \
2999 if (MY_POSIX_EXIT) \
1a3aec58
JM		 3000 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3001 PL_statusvalue_vms = \
3002 (C_FAC_POSIX | (evalue << 3 ) | \
3003 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 3004 else \
3005 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3006 set_vaxc_errno(PL_statusvalue_vms); \
3007 } STMT_END
3008
fb38d079
JM		 3009
3010 /* This macro forces a success status */
7a7fd8e0
JM		 3011# define STATUS_ALL_SUCCESS \
3012 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 3013
3014 /* This macro forces a failure status */
7a7fd8e0
JM		 3015# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3016 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3017 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3018
68dc0745 3019#else
e5218da5 3020# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3021# if defined(WCOREDUMP)
37038d91 3022# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3023 STMT_START { \
3024 PL_statusvalue_posix = (n); \
3025 if (PL_statusvalue_posix == -1) \
3026 PL_statusvalue = -1; \
3027 else { \
3028 PL_statusvalue = \
3029 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3030 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3031 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3032 } \
3033 } STMT_END
3034# elif defined(WIFEXITED)
37038d91 3035# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3036 STMT_START { \
3037 PL_statusvalue_posix = (n); \
3038 if (PL_statusvalue_posix == -1) \
3039 PL_statusvalue = -1; \
3040 else { \
3041 PL_statusvalue = \
3042 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3043 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3044 } \
3045 } STMT_END
3046# else
37038d91 3047# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3048 STMT_START { \
3049 PL_statusvalue_posix = (n); \
3050 if (PL_statusvalue_posix == -1) \
3051 PL_statusvalue = -1; \
3052 else { \
3053 PL_statusvalue = \
3054 PL_statusvalue_posix & 0xFFFF; \
3055 } \
3056 } STMT_END
3057# endif
3058# define STATUS_UNIX_SET(n) \
68dc0745 3059 STMT_START { \
3280af22
NIS		 3060 PL_statusvalue = (n); \
3061 if (PL_statusvalue != -1) \
3062 PL_statusvalue &= 0xFFFF; \
68dc0745 3063 } STMT_END
7a7fd8e0 3064# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3065# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3066# define STATUS_CURRENT STATUS_UNIX
37038d91 3067# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3068# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3069# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3070#endif
3071
cc3604b1
GS		 3072/* flags in PL_exit_flags for nature of exit() */
3073#define PERL_EXIT_EXPECTED 0x01
31d77e54 3074#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3075
0b94c7bb 3076#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 3077# define MEMBER_TO_FPTR(name) name
3078#endif
3079
3080/* format to use for version numbers in file/directory names */
273cf8d1 3081/* XXX move to Configure? */
a7cb1f99 3082#ifndef PERL_FS_VER_FMT
273cf8d1 3083# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 3084#endif
3085
45bc9206 3086/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3087 * performance issue, so we allow people to disable it. Also, if
3088 * we are using stdio, there are broken implementations of fflush(NULL)
3089 * out there, Solaris being the most prominent.
45bc9206
GS		 3090 */
3091#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3092# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3093# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3094# else
3095# ifdef FFLUSH_ALL
3096# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3097# else
c5be433b 3098# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3099# endif
66fe083f 3100# endif
45bc9206
GS		 3101#endif
3102
7766f137
GS		 3103#ifndef PERL_WAIT_FOR_CHILDREN
3104# define PERL_WAIT_FOR_CHILDREN NOOP
3105#endif
3106
ba869deb 3107/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3108#ifndef PERL_SET_INTERP
3109# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3110#endif
3111
3112#ifndef PERL_GET_INTERP
3113# define PERL_GET_INTERP (PL_curinterp)
3114#endif
3115
54aff467 3116#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3117# ifdef MULTIPLICITY
ba869deb 3118# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3119# endif
ba869deb
GS		 3120# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3121#endif
3122
8896765a
RB		 3123/*
3124 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3125 All that is required is that the perl source does not
8896765a
RB		 3126 use "%-p" or "%-<number>p" or "%<number>p" formats.
3127 These formats will still work in perl code.
3128 See comments in sv.c for futher details.
3129
8896765a 3130 Robin Barker 2005-07-14
f46d31f2
RB		 3131
3132 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3133*/
8896765a
RB		 3134
3135#ifndef SVf_
63ce7bf0 3136# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3137#endif
3138
8896765a 3139#ifndef SVf
104abab4 3140# define SVf "-p"
d2560b70
RB		 3141#endif
3142
014ead4b 3143#ifndef SVf32
8896765a 3144# define SVf32 SVf_(32)
014ead4b
RB		 3145#endif
3146
3147#ifndef SVf256
8896765a
RB		 3148# define SVf256 SVf_(256)
3149#endif
3150
be2597df
MHM		 3151#define SVfARG(p) ((void*)(p))
3152
f46d31f2
RB		 3153#ifdef PERL_CORE
3154/* not used; but needed for backward compatibilty with XS code? - RMB */
3155# undef VDf
3156#else
3157# ifndef VDf
8896765a
RB		 3158# define VDf "vd"
3159# endif
014ead4b 3160#endif
170cd9e9
NC		 3161
3162#ifdef PERL_CORE
f5992bc4 3163/* not used; but needed for backward compatibilty with XS code? - RMB */
7776bb98
RB		 3164# undef UVf
3165#else
170cd9e9
NC		 3166# ifndef UVf
3167# define UVf UVuf
3168# endif
d2560b70
RB		 3169#endif
3170
fcdf39cf
RGS		 3171#ifdef HASATTRIBUTE_DEPRECATED
3172# define __attribute__deprecated__ __attribute__((deprecated))
3173#endif
0dbb1585
AL		 3174#ifdef HASATTRIBUTE_FORMAT
3175# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3176#endif
3177#ifdef HASATTRIBUTE_MALLOC
77785eea 3178# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3179#endif
0dbb1585 3180#ifdef HASATTRIBUTE_NONNULL
abb2c242 3181# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3182#endif
0dbb1585 3183#ifdef HASATTRIBUTE_NORETURN
abb2c242 3184# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3185#endif
0dbb1585 3186#ifdef HASATTRIBUTE_PURE
abb2c242 3187# define __attribute__pure__ __attribute__((pure))
f22be1b8 3188#endif
0dbb1585
AL		 3189#ifdef HASATTRIBUTE_UNUSED
3190# define __attribute__unused__ __attribute__((unused))
3191#endif
3192#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3193# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3194#endif
3195
0dbb1585 3196/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3197#ifndef __attribute__deprecated__
3198# define __attribute__deprecated__
3199#endif
0dbb1585
AL		 3200#ifndef __attribute__format__
3201# define __attribute__format__(x,y,z)
3202#endif
f22be1b8 3203#ifndef __attribute__malloc__
abb2c242 3204# define __attribute__malloc__
f22be1b8
JH		 3205#endif
3206#ifndef __attribute__nonnull__
abb2c242 3207# define __attribute__nonnull__(a)
f22be1b8
JH		 3208#endif
3209#ifndef __attribute__noreturn__
abb2c242 3210# define __attribute__noreturn__
f22be1b8
JH		 3211#endif
3212#ifndef __attribute__pure__
abb2c242 3213# define __attribute__pure__
f22be1b8 3214#endif
0dbb1585
AL		 3215#ifndef __attribute__unused__
3216# define __attribute__unused__
3217#endif
f22be1b8 3218#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3219# define __attribute__warn_unused_result__
3220#endif
3221
0dbb1585
AL		 3222/* For functions that are marked as __attribute__noreturn__, it's not
3223 appropriate to call return. In either case, include the lint directive.
3224 */
3225#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3226# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3227#else
b37c2d43 3228# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH		 3229#endif
3230
cdfeb707
RB		 3231/* Some OS warn on NULL format to printf */
3232#ifdef PRINTF_FORMAT_NULL_OK
3233# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3234#else
3235# define __attribute__format__null_ok__(x,y,z)
3236#endif
3237
635aebb7 3238#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3239# define EXPECT(expr,val) __builtin_expect(expr,val)
3240#else
3241# define EXPECT(expr,val) (expr)
3242#endif
3243#define LIKELY(cond) EXPECT(cond,1)
3244#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3245#ifdef HAS_BUILTIN_CHOOSE_EXPR
3246/* placeholder */
3247#endif
b37c2d43 3248
3fc1aec6 3249/* Some unistd.h's give a prototype for pause() even though
3250 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3251 below to be rejected by the compiler. Sigh.
3fc1aec6 3252*/
3253#ifdef HAS_PAUSE
3254#define Pause pause
3255#else
3256#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3257#endif
3258
3259#ifndef IOCPARM_LEN
3260# ifdef IOCPARM_MASK
61f1c44b 3261 /* on BSDish systems we're safe */
748a9306
LW		 3262# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3263# else
61f1c44b 3264# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3265 /* on Linux systems we're safe; except when we're not [perl #38223] */
3266# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3267# else
748a9306 3268 /* otherwise guess at what's safe */
61f1c44b
JVD		 3269# define IOCPARM_LEN(x) 256
3270# endif
748a9306 3271# endif
a0d0e21e
LW		 3272#endif
3273
1761cee5 3274#if defined(__CYGWIN__)
521e0776
GS		 3275/* USEMYBINMODE
3276 * This symbol, if defined, indicates that the program should
16fe6d59 3277 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3278 * that a file is in "binary" mode -- that is, that no translation
3279 * of bytes occurs on read or write operations.
3280 */
36894f0b 3281# define USEMYBINMODE /**/
77a40698 3282# include <io.h> /* for setmode() prototype */
16fe6d59 3283# define my_binmode(fp, iotype, mode) \
77a40698 3284 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3285#endif
3286
88d10794
JH		 3287#ifdef __CYGWIN__
3288void init_os_extras(void);
3289#endif
3290
cea2e8a9
GS		 3291#ifdef UNION_ANY_DEFINITION
3292UNION_ANY_DEFINITION;
3293#else
3294union any {
3295 void* any_ptr;
3296 I32 any_i32;
3297 IV any_iv;
3298 long any_long;
9febdf04 3299 bool any_bool;
c76ac1ee 3300 void (*any_dptr) (void*);
acfe0abc 3301 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3302};
3303#endif
3304
acfe0abc 3305typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3306
3307#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3308#define FILTER_DATA(idx) \
3309 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3310#define FILTER_ISREADER(idx) \
3311 (PL_parser && PL_parser->rsfp_filters \
3312 && idx >= AvFILLp(PL_parser->rsfp_filters))
3313#define PERL_FILTER_EXISTS(i) \
3314 (PL_parser && PL_parser->rsfp_filters \
3315 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3316
c5078cac
JH		 3317#if defined(_AIX) && !defined(_AIX43)
3318#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3319/* We cannot include <crypt.h> to get the struct crypt_data
3320 * because of setkey prototype problems when threading */
3321typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3322 /* From OSF, Not needed in AIX
3323 char C[28], D[28];
3324 */
3325 char E[48];
3326 char KS[16][48];
3327 char block[66];
3328 char iobuf[16];
3329} CRYPTD;
3330#endif /* threading */
3331#endif /* AIX */
3332
af8b425d 3333#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 3334# include "iperlsys.h"
3335#endif
504f80c1 3336
9c12f1e5
RGS		 3337#ifdef __LIBCATAMOUNT__
3338#undef HAS_PASSWD /* unixish.h but not unixish enough. */
3339#undef HAS_GROUP
3340#define FAKE_BIT_BUCKET
3341#endif
3342
d10dc2ae
JH		 3343/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3344 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3345 * defined by Configure, despite their names being similar to the
3346 * other defines like USE_ITHREADS. Configure in fact knows nothing
3347 * about the randomised hashes. Therefore to enable/disable the hash
3348 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3349#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3350# define USE_HASH_SEED
504f80c1
JH		 3351#endif
3352
598921a7
NC		 3353/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3354 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3355 * it's not really needed.
3356 */
3357#if defined(WIN32)
3358# define YYTOKENTYPE
3359#endif
3360#include "perly.h"
3361
3362#ifdef PERL_MAD
3363struct nexttoken {
3364 YYSTYPE next_val; /* value of next token, if any */
3365 I32 next_type; /* type of next token */
3366 MADPROP *next_mad; /* everything else about that token */
3367};
3368#endif
3369
654eccd5
JD		 3370/* macros to define bit-fields in structs. */
3371#ifndef PERL_BITFIELD8
3372# define PERL_BITFIELD8 unsigned
3373#endif
3374#ifndef PERL_BITFIELD16
3375# define PERL_BITFIELD16 unsigned
3376#endif
3377#ifndef PERL_BITFIELD32
3378# define PERL_BITFIELD32 unsigned
3379#endif
3380
79072805 3381#include "sv.h"
288b8c02 3382#include "regexp.h"
378cc40b 3383#include "util.h"
8d063cd8 3384#include "form.h"
79072805 3385#include "gv.h"
dd2155a4 3386#include "pad.h"
79072805 3387#include "cv.h"
abdd5c84 3388#include "opnames.h"
79072805 3389#include "op.h"
b3ca2e83 3390#include "hv.h"
79072805
LW		 3391#include "cop.h"
3392#include "av.h"
79072805
LW		 3393#include "mg.h"
3394#include "scope.h"
4438c4b7 3395#include "warnings.h"
a0ed51b3 3396#include "utf8.h"
8d063cd8 3397
20f4945e
MHM		 3398/* defined in sv.c, but also used in [ach]v.c */
3399#undef _XPV_ALLOCATED_HEAD
3400#undef _XPV_HEAD
3401#undef _XPVMG_HEAD
3402#undef _XPVCV_COMMON
7fae4e64
GS		 3403
3404typedef struct _sublex_info SUBLEXINFO;
3405struct _sublex_info {
651b5b28
NC		 3406 U8 super_state; /* lexer state to save */
3407 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3408 OP *sub_op; /* "lex_op" to use */
f06b5848
DM		 3409 char *super_bufptr; /* PL_parser->bufptr that was */
3410 char *super_bufend; /* PL_parser->bufend that was */
7fae4e64
GS		 3411};
3412
199e78b7
DM		 3413#include "parser.h"
3414
455ece5e 3415typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3416
2c2d71f5 3417struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3418struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3419
6f51351d
NC		 3420/* Keep next first in this structure, because sv_free_arenas take
3421 advantage of this to share code between the pte arenas and the SV
3422 body arenas */
5f7fde29
GS		 3423struct ptr_tbl_ent {
3424 struct ptr_tbl_ent* next;
53c1dcc0 3425 const void* oldval;
5f7fde29 3426 void* newval;
d18c6117
GS		 3427};
3428
5f7fde29
GS		 3429struct ptr_tbl {
3430 struct ptr_tbl_ent** tbl_ary;
3431 UV tbl_max;
3432 UV tbl_items;
d18c6117
GS		 3433};
3434
450a55e4 3435#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3436# define I286
3437#endif
3438
fe14fcc3
LW		 3439#if defined(htonl) && !defined(HAS_HTONL)
3440#define HAS_HTONL
ae986130 3441#endif
fe14fcc3
LW		 3442#if defined(htons) && !defined(HAS_HTONS)
3443#define HAS_HTONS
ae986130 3444#endif
fe14fcc3
LW		 3445#if defined(ntohl) && !defined(HAS_NTOHL)
3446#define HAS_NTOHL
ae986130 3447#endif
fe14fcc3
LW		 3448#if defined(ntohs) && !defined(HAS_NTOHS)
3449#define HAS_NTOHS
ae986130 3450#endif
fe14fcc3 3451#ifndef HAS_HTONL
d9d8d8de 3452#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3453#define HAS_HTONS
3454#define HAS_HTONL
3455#define HAS_NTOHS
3456#define HAS_NTOHL
a687059c
LW		 3457#define MYSWAP
3458#define htons my_swap
3459#define htonl my_htonl
3460#define ntohs my_swap
3461#define ntohl my_ntohl
3462#endif
3463#else
d9d8d8de 3464#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3465#undef HAS_HTONS
3466#undef HAS_HTONL
3467#undef HAS_NTOHS
3468#undef HAS_NTOHL
a687059c
LW		 3469#endif
3470#endif
3471
988174c1
LW		 3472/*
3473 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3474 * -DWS
3475 */
3476#if BYTEORDER != 0x1234
3477# define HAS_VTOHL
3478# define HAS_VTOHS
3479# define HAS_HTOVL
3480# define HAS_HTOVS
c67712b2 3481# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3482# define vtohl(x) ((((x)&0xFF)<<24) \
3483 +(((x)>>24)&0xFF) \
3484 +(((x)&0x0000FF00)<<8) \
3485 +(((x)&0x00FF0000)>>8) )
3486# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3487# define htovl(x) vtohl(x)
3488# define htovs(x) vtohs(x)
3489# endif
3490 /* otherwise default to functions in util.c */
2a8c3029 3491#ifndef htovs
c623ac67
GS		 3492short htovs(short n);
3493short vtohs(short n);
3494long htovl(long n);
3495long vtohl(long n);
988174c1 3496#endif
2a8c3029 3497#endif
988174c1 3498
3bb7c1b4
JH		 3499/* *MAX Plus 1. A floating point value.
3500 Hopefully expressed in a way that dodgy floating point can't mess up.
3501 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3502 is added to it
3503 May find that some broken compiler will want the value cast to I32.
3504 [after the shift, as signed >> may not be as secure as unsigned >>]
3505*/
3506#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3507#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3508/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3509 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3510 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3511*/
3512#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3513
3bb7c1b4
JH		 3514#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3515#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3516#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3517
3518/* This may look like unnecessary jumping through hoops, but converting
3519 out of range floating point values to integers *is* undefined behaviour,
3520 and it is starting to bite.
3521*/
3522#ifndef CAST_INLINE
65202027 3523#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3524#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3525#define I_V(what) (cast_iv((NV)(what)))
3526#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3527#else
3528#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3529 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3530 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3531#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3532 : ((n) < U32_MAX_P1 ? (U32) (n) \
3533 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3534#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3535 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3536 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3537#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3538 : ((n) < UV_MAX_P1 ? (UV) (n) \
3539 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3540#endif
3541
3542#define U_S(what) ((U16)U_32(what))
3543#define U_I(what) ((unsigned int)U_32(what))
3544#define U_L(what) U_32(what)
ed6116ce 3545
ed140128
AD		 3546#ifdef HAS_SIGNBIT
3547# define Perl_signbit signbit
3548#endif
3549
2d4389e4
JH		 3550/* These do not care about the fractional part, only about the range. */
3551#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3552#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3553
25da4f38
IZ		 3554/* Used with UV/IV arguments: */
3555 /* XXXX: need to speed it up */
3556#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3557#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3558
352d5a3a
LW		 3559#ifndef MAXSYSFD
3560# define MAXSYSFD 2
3561#endif
ee0007ab 3562
79072805 3563#ifndef __cplusplus
27da23d5 3564#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3565Uid_t getuid (void);
3566Uid_t geteuid (void);
3567Gid_t getgid (void);
3568Gid_t getegid (void);
79072805 3569#endif
e1caacb4 3570#endif
8d063cd8 3571
0c30d9ec 3572#ifndef Perl_debug_log
bf49b057
GS		 3573# define Perl_debug_log PerlIO_stderr()
3574#endif
3575
3576#ifndef Perl_error_log
3577# define Perl_error_log (PL_stderrgv \
6b78add2 3578 && isGV(PL_stderrgv) \
01bb7c6d 3579 && GvIOp(PL_stderrgv) \
42de951c 3580 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3581 ? IoOFP(GvIOp(PL_stderrgv)) \
3582 : PerlIO_stderr())
0c30d9ec 3583#endif
3967c732 3584
aea4f609
DM		 3585
3586#define DEBUG_p_FLAG 0x00000001 /* 1 */
3587#define DEBUG_s_FLAG 0x00000002 /* 2 */
3588#define DEBUG_l_FLAG 0x00000004 /* 4 */
3589#define DEBUG_t_FLAG 0x00000008 /* 8 */
3590#define DEBUG_o_FLAG 0x00000010 /* 16 */
3591#define DEBUG_c_FLAG 0x00000020 /* 32 */
3592#define DEBUG_P_FLAG 0x00000040 /* 64 */
3593#define DEBUG_m_FLAG 0x00000080 /* 128 */
3594#define DEBUG_f_FLAG 0x00000100 /* 256 */
3595#define DEBUG_r_FLAG 0x00000200 /* 512 */
3596#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3597#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3598/* U is reserved for Unofficial, exploratory hacking */
3599#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3600#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3601#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3602#define DEBUG_D_FLAG 0x00008000 /* 32768 */
d2c25739 3603/* 0x00010000 is unused, used to be S */
aea4f609 3604#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3605#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3606#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3607#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3608#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3609#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3610#define DEBUG_q_FLAG 0x00800000 /*8388608 */
d2c25739 3611#define DEBUG_MASK 0x00FEEFFF /* mask of all the standard flags */
aea4f609
DM		 3612
3613#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3614#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3615 that something was done? */
aea4f609 3616
bd16a5f0
IZ		 3617# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3618# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3619# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3620# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3621# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3622# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3623# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3624# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3625# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3626# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3627# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3628# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3629# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3630# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3631# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3632# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
bd16a5f0
IZ		 3633# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3634# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3635# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3636# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3637# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3638# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3639# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3640# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3641# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3642
3967c732 3643#ifdef DEBUGGING
aea4f609 3644
bd16a5f0
IZ		 3645# define DEBUG_p_TEST DEBUG_p_TEST_
3646# define DEBUG_s_TEST DEBUG_s_TEST_
3647# define DEBUG_l_TEST DEBUG_l_TEST_
3648# define DEBUG_t_TEST DEBUG_t_TEST_
3649# define DEBUG_o_TEST DEBUG_o_TEST_
3650# define DEBUG_c_TEST DEBUG_c_TEST_
3651# define DEBUG_P_TEST DEBUG_P_TEST_
3652# define DEBUG_m_TEST DEBUG_m_TEST_
3653# define DEBUG_f_TEST DEBUG_f_TEST_
3654# define DEBUG_r_TEST DEBUG_r_TEST_
3655# define DEBUG_x_TEST DEBUG_x_TEST_
3656# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3657# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3658# define DEBUG_H_TEST DEBUG_H_TEST_
3659# define DEBUG_X_TEST DEBUG_X_TEST_
3660# define DEBUG_D_TEST DEBUG_D_TEST_
bd16a5f0
IZ		 3661# define DEBUG_T_TEST DEBUG_T_TEST_
3662# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3663# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3664# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3665# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3666# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3667# define DEBUG_q_TEST DEBUG_q_TEST_
7949c6f5
JC		 3668# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3669# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
aea4f609 3670
488b0c7a
JH		 3671# define PERL_DEB(a) a
3672# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3673# define DEBUG_p(a) if (DEBUG_p_TEST) a
3674# define DEBUG_s(a) if (DEBUG_s_TEST) a
3675# define DEBUG_l(a) if (DEBUG_l_TEST) a
3676# define DEBUG_t(a) if (DEBUG_t_TEST) a
3677# define DEBUG_o(a) if (DEBUG_o_TEST) a
3678# define DEBUG_c(a) if (DEBUG_c_TEST) a
3679# define DEBUG_P(a) if (DEBUG_P_TEST) a
3680
969058bb
VK		 3681 /* Temporarily turn off memory debugging in case the a
3682 * does memory allocation, either directly or indirectly. */
acfe0abc 3683# define DEBUG_m(a) \
0b250b9e 3684 STMT_START { \
aea4f609 3685 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3686 } STMT_END
aea4f609 3687
5f80b19c
AMS		 3688# define DEBUG__(t, a) \
3689 STMT_START { \
3690 if (t) STMT_START {a;} STMT_END; \
3691 } STMT_END
3692
3693# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3694#ifndef PERL_EXT_RE_BUILD
5f80b19c 3695# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3696#else
3697# define DEBUG_r(a) STMT_START {a;} STMT_END
3698#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3699# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3700# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3701# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3702# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3703# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3704# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3705# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3706# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
aea4f609 3707
5f80b19c
AMS		 3708# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3709# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3710# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3711# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3712# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3713# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 3714
3715#else /* DEBUGGING */
3716
3717# define DEBUG_p_TEST (0)
3718# define DEBUG_s_TEST (0)
3719# define DEBUG_l_TEST (0)
3720# define DEBUG_t_TEST (0)
3721# define DEBUG_o_TEST (0)
3722# define DEBUG_c_TEST (0)
3723# define DEBUG_P_TEST (0)
3724# define DEBUG_m_TEST (0)
3725# define DEBUG_f_TEST (0)
3726# define DEBUG_r_TEST (0)
3727# define DEBUG_x_TEST (0)
3728# define DEBUG_u_TEST (0)
88d2d28a 3729# define DEBUG_U_TEST (0)
aea4f609
DM		 3730# define DEBUG_H_TEST (0)
3731# define DEBUG_X_TEST (0)
3732# define DEBUG_D_TEST (0)
aea4f609 3733# define DEBUG_T_TEST (0)
04932ac8 3734# define DEBUG_R_TEST (0)
1045810a 3735# define DEBUG_J_TEST (0)
d6721266 3736# define DEBUG_v_TEST (0)
46187eeb 3737# define DEBUG_C_TEST (0)
ecae49c0
NC		 3738# define DEBUG_A_TEST (0)
3739# define DEBUG_q_TEST (0)
7949c6f5
JC		 3740# define DEBUG_Xv_TEST (0)
3741# define DEBUG_Uv_TEST (0)
aea4f609 3742
488b0c7a
JH		 3743# define PERL_DEB(a)
3744# define PERL_DEBUG(a)
aea4f609
DM		 3745# define DEBUG_p(a)
3746# define DEBUG_s(a)
3747# define DEBUG_l(a)
3748# define DEBUG_t(a)
3749# define DEBUG_o(a)
3750# define DEBUG_c(a)
3751# define DEBUG_P(a)
3752# define DEBUG_m(a)
3753# define DEBUG_f(a)
3754# define DEBUG_r(a)
3755# define DEBUG_x(a)
3756# define DEBUG_u(a)
88d2d28a 3757# define DEBUG_U(a)
aea4f609
DM		 3758# define DEBUG_H(a)
3759# define DEBUG_X(a)
3760# define DEBUG_D(a)
aea4f609 3761# define DEBUG_T(a)
04932ac8 3762# define DEBUG_R(a)
d6721266 3763# define DEBUG_v(a)
46187eeb 3764# define DEBUG_C(a)
ecae49c0
NC		 3765# define DEBUG_A(a)
3766# define DEBUG_q(a)
7949c6f5
JC		 3767# define DEBUG_Xv(a)
3768# define DEBUG_Uv(a)
aea4f609
DM		 3769#endif /* DEBUGGING */
3770
3771
b4ab917c
DM		 3772#define DEBUG_SCOPE(where) \
3773 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3774 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM		 3775
3776
3777
3778
d1be9408 3779/* These constants should be used in preference to raw characters
14befaf4
DM		 3780 * when using magic. Note that some perl guts still assume
3781 * certain character properties of these constants, namely that
3782 * isUPPER() and toLOWER() may do useful mappings.
3783 *
3784 * Update the magic_names table in dump.c when adding/amending these
3785 */
3786
3787#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3788#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3789#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3790#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3791#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3792#define PERL_MAGIC_regdata 'D' /* Regex match position data
3793 (@+ and @- vars) */
3794#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3795#define PERL_MAGIC_env 'E' /* %ENV hash */
3796#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3797#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3798#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
b3ca2e83
NC		 3799#define PERL_MAGIC_hints 'H' /* %^H hash */
3800#define PERL_MAGIC_hintselem 'h' /* %^H hash element */
14befaf4
DM		 3801#define PERL_MAGIC_isa 'I' /* @ISA array */
3802#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3803#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3804#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3805#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3806#define PERL_MAGIC_shared 'N' /* Shared between threads */
3807#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3808#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3809#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3810#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3811#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3812#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3813#define PERL_MAGIC_sig 'S' /* %SIG hash */
3814#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3815#define PERL_MAGIC_taint 't' /* Taintedness */
3816#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3817#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3818#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3819#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3820#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3821#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3822#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3823 smart parameter vivification */
14befaf4
DM		 3824#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3825#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3826#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3827#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3828#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3829#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM		 3830#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3831
de84dc04
NC		 3832#if defined(DEBUGGING) && defined(I_ASSERT)
3833# include <assert.h>
3834#endif
3835
3836/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3837 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3838
de84dc04 3839#define Perl_assert(what) PERL_DEB( \
2b057284 3840 ((what) ? ((void) 0) : \
67eb4d30 3841 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3842 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3843 (void) 0)))
de84dc04
NC		 3844
3845#ifndef assert
3846# define assert(what) Perl_assert(what)
a446a88f 3847#endif
8d063cd8 3848
450a55e4 3849struct ufuncs {
24f81a43
DM		 3850 I32 (*uf_val)(pTHX_ IV, SV*);
3851 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3852 IV uf_index;
450a55e4
LW		 3853};
3854
14befaf4 3855/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3856 * XS code wanting to be backward compatible can do something
3857 * like the following:
c745e42c 3858
24f81a43 3859#ifndef PERL_MG_UFUNC
24f81a43
DM		 3860#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3861#endif
3862
3863static PERL_MG_UFUNC(foo_get, index, val)
3864{
3865 sv_setsv(val, ...);
3866 return TRUE;
3867}
3868
3869-- Doug MacEachern
3870
3871*/
3872
fc9c74e6 3873#ifndef PERL_MG_UFUNC
24f81a43 3874#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3875#endif
24f81a43 3876
fe14fcc3 3877/* Fix these up for __STDC__ */
68dc0745 3878#ifndef DONT_DECLARE_STD
20ce7b12 3879char *mktemp (char*);
37bd1396 3880#ifndef atof
20ce7b12 3881double atof (const char*);
a0d0e21e 3882#endif
37bd1396 3883#endif
79072805 3884
352d5a3a 3885#ifndef STANDARD_C
fe14fcc3 3886/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3887Time_t time();
8d063cd8 3888struct tm *gmtime(), *localtime();
092bebab 3889#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3890char *(strchr)(), *(strrchr)();
3891char *(strcpy)(), *(strcat)();
3892#else
93a17b20 3893char *strchr(), *strrchr();
378cc40b 3894char *strcpy(), *strcat();
9d116dd7 3895#endif
352d5a3a 3896#endif /* ! STANDARD_C */
8d063cd8 3897
79072805
LW		 3898
3899#ifdef I_MATH
3900# include <math.h>
3901#else
32f822de 3902START_EXTERN_C
20ce7b12
GS		 3903 double exp (double);
3904 double log (double);
3905 double log10 (double);
3906 double sqrt (double);
3907 double frexp (double,int*);
3908 double ldexp (double,int);
3909 double modf (double,double*);
3910 double sin (double);
3911 double cos (double);
3912 double atan2 (double,double);
3913 double pow (double,double);
32f822de 3914END_EXTERN_C
79072805
LW		 3915#endif
3916
aa8b85de
JH		 3917#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3918# define NV_INF LDBL_INFINITY
3919#endif
3920#if !defined(NV_INF) && defined(DBL_INFINITY)
3921# define NV_INF (NV)DBL_INFINITY
3922#endif
3923#if !defined(NV_INF) && defined(INFINITY)
3924# define NV_INF (NV)INFINITY
3925#endif
3926#if !defined(NV_INF) && defined(INF)
3927# define NV_INF (NV)INF
3928#endif
3929#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3930# define NV_INF (NV)HUGE_VALL
3931#endif
3932#if !defined(NV_INF) && defined(HUGE_VAL)
3933# define NV_INF (NV)HUGE_VAL
3934#endif
3935
3936#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3937# if !defined(NV_NAN) && defined(LDBL_NAN)
3938# define NV_NAN LDBL_NAN
3939# endif
3940# if !defined(NV_NAN) && defined(LDBL_QNAN)
3941# define NV_NAN LDBL_QNAN
3942# endif
3943# if !defined(NV_NAN) && defined(LDBL_SNAN)
3944# define NV_NAN LDBL_SNAN
3945# endif
3946#endif
3947#if !defined(NV_NAN) && defined(DBL_NAN)
3948# define NV_NAN (NV)DBL_NAN
3949#endif
3950#if !defined(NV_NAN) && defined(DBL_QNAN)
3951# define NV_NAN (NV)DBL_QNAN
3952#endif
3953#if !defined(NV_NAN) && defined(DBL_SNAN)
3954# define NV_NAN (NV)DBL_SNAN
3955#endif
3956#if !defined(NV_NAN) && defined(QNAN)
3957# define NV_NAN (NV)QNAN
3958#endif
3959#if !defined(NV_NAN) && defined(SNAN)
3960# define NV_NAN (NV)SNAN
3961#endif
3962#if !defined(NV_NAN) && defined(NAN)
3963# define NV_NAN (NV)NAN
3964#endif
3965
a0d0e21e 3966#ifndef __cplusplus
8f1f23e8 3967# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3968char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3969# else
fd8cd3a3 3970# if !defined(WIN32) && !defined(VMS)
10bc17b6 3971#ifndef crypt
20ce7b12 3972char *crypt (const char*, const char*);
10bc17b6 3973#endif
5014db98 3974# endif /* !WIN32 */
8f1f23e8 3975# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3976# ifndef DONT_DECLARE_STD
3977# ifndef getenv
20ce7b12 3978char *getenv (const char*);
26618a56 3979# endif /* !getenv */
28ca6303 3980# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3981# ifdef _FILE_OFFSET_BITS
28ca6303 3982# if _FILE_OFFSET_BITS == 64
20ce7b12 3983Off_t lseek (int,Off_t,int);
0fc67700
JH		 3984# endif
3985# endif
bf0c440f 3986# endif
26618a56 3987# endif /* !DONT_DECLARE_STD */
10bc17b6 3988#ifndef getlogin
20ce7b12 3989char *getlogin (void);
10bc17b6 3990#endif
26618a56 3991#endif /* !__cplusplus */
79072805 3992
7a7fd8e0
JM		 3993/* Fixme on VMS. This needs to be a run-time, not build time options */
3994/* Also rename() is affected by this */
16d20bd9 3995#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3996#define UNLINK unlnk
083639a9 3997I32 unlnk (pTHX_ const char*);
8d063cd8 3998#else
80252599 3999#define UNLINK PerlLIO_unlink
8d063cd8 4000#endif
a687059c 4001
fa0a29af
JH		 4002/* some versions of glibc are missing the setresuid() proto */
4003#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 4004int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4005#endif
fa0a29af
JH		 4006/* some versions of glibc are missing the setresgid() proto */
4007#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 4008int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4009#endif
4010
fe14fcc3 4011#ifndef HAS_SETREUID
85e6fe83
LW		 4012# ifdef HAS_SETRESUID
4013# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4014# define HAS_SETREUID
4015# endif
a687059c 4016#endif
fe14fcc3 4017#ifndef HAS_SETREGID
85e6fe83
LW		 4018# ifdef HAS_SETRESGID
4019# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4020# define HAS_SETREGID
4021# endif
a687059c 4022#endif
ee0007ab 4023
d543acb6 4024/* Sighandler_t defined in iperlsys.h */
ff68c719 4025
4026#ifdef HAS_SIGACTION
4027typedef struct sigaction Sigsave_t;
4028#else
4029typedef Sighandler_t Sigsave_t;
4030#endif
4031
ee0007ab
LW		 4032#define SCAN_DEF 0
4033#define SCAN_TR 1
4034#define SCAN_REPL 2
79072805
LW		 4035
4036#ifdef DEBUGGING
4633a7c4 4037# ifndef register
a0d0e21e
LW		 4038# define register
4039# endif
cea2e8a9 4040# define RUNOPS_DEFAULT Perl_runops_debug
79072805 4041#else
cea2e8a9 4042# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 4043#endif
4044
6cb8cb21 4045#ifdef USE_PERLIO
0934c9d9 4046EXTERN_C void PerlIO_teardown(void);
2f44961c 4047# ifdef USE_ITHREADS
6cb8cb21
RGS		 4048# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4049# define PERLIO_TERM \
4050 STMT_START { \
d0820ef1 4051 PerlIO_teardown(); \
6cb8cb21
RGS		 4052 MUTEX_DESTROY(&PL_perlio_mutex);\
4053 } STMT_END
4054# else
4055# define PERLIO_INIT
d0820ef1 4056# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 4057# endif
6b29934b
NC		 4058#else
4059# define PERLIO_INIT
4060# define PERLIO_TERM
6cb8cb21
RGS		 4061#endif
4062
18f739ee 4063#ifdef MYMALLOC
772fe5b3 4064# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 4065# define MALLOC_INIT \
4066 STMT_START { \
4067 PL_malloc_mutex = NULL; \
4068 MUTEX_INIT(&PL_malloc_mutex); \
4069 } STMT_END
4070# define MALLOC_TERM \
4071 STMT_START { \
4072 perl_mutex tmp = PL_malloc_mutex; \
4073 PL_malloc_mutex = NULL; \
4074 MUTEX_DESTROY(&tmp); \
4075 } STMT_END
4076# else
4077# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4078# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4079# endif
18f739ee
IZ		 4080#else
4081# define MALLOC_INIT
4082# define MALLOC_TERM
4083#endif
4084
cd1541b2 4085#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 4086
4087struct perl_memory_debug_header;
cd1541b2
NC		 4088struct perl_memory_debug_header {
4089 tTHX interpreter;
4090# ifdef PERL_POISON
4091 MEM_SIZE size;
cd1541b2 4092# endif
7cb608b5
NC		 4093 struct perl_memory_debug_header *prev;
4094 struct perl_memory_debug_header *next;
cd1541b2
NC		 4095};
4096
4097# define sTHX (sizeof(struct perl_memory_debug_header) + \
4098 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4099 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4100
d8fca402
NC		 4101#else
4102# define sTHX 0
cd1541b2
NC		 4103#endif
4104
7cb608b5
NC		 4105#ifdef PERL_TRACK_MEMPOOL
4106# define INIT_TRACK_MEMPOOL(header, interp) \
4107 STMT_START { \
4108 (header).interpreter = (interp); \
4109 (header).prev = (header).next = &(header); \
4110 } STMT_END
4111# else
4112# define INIT_TRACK_MEMPOOL(header, interp)
4113#endif
4114
1cd66f7c
DD		 4115#ifdef I_MALLOCMALLOC
4116/* Needed for malloc_size(), malloc_good_size() on some systems */
4117# include <malloc/malloc.h>
4118#endif
4119
ca7c1a29
NC		 4120#ifdef MYMALLOC
4121# define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
cfe52898 4122#else
e82be400
NC		 4123# ifdef HAS_MALLOC_SIZE
4124# ifdef PERL_TRACK_MEMPOOL
cfe52898
RGS		 4125# define Perl_safesysmalloc_size(where) \
4126 (malloc_size(((char *)(where)) - sTHX) - sTHX)
e82be400
NC		 4127# else
4128# define Perl_safesysmalloc_size(where) malloc_size(where)
4129# endif
4130# endif
4131# ifdef HAS_MALLOC_GOOD_SIZE
4132# ifdef PERL_TRACK_MEMPOOL
d8fca402
NC		 4133# define Perl_malloc_good_size(how_much) \
4134 (malloc_good_size((how_much) + sTHX) - sTHX)
e82be400
NC		 4135# else
4136# define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4137# endif
4138# else
d8fca402
NC		 4139/* Having this as the identity operation makes some code simpler. */
4140# define Perl_malloc_good_size(how_much) (how_much)
e82be400 4141# endif
ca7c1a29 4142#endif
b6d9d515 4143
0cb96387 4144typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 4145typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 4146typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 4147typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
eba16661 4148typedef bool (CPERLscope(*destroyable_proc_t)) (pTHX_ SV *sv);
22c35a8c 4149
940cb80d 4150/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 4151#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 4152
8f1f23e8
W		 4153/* NeXT has problems with crt0.o globals */
4154#if defined(__DYNAMIC__) && \
6239f2da 4155 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 4156# if defined(NeXT) || defined(__NeXT)
4157# include <mach-o/dyld.h>
4158# define environ (*environ_pointer)
0c30d9ec 4159EXT char *** environ_pointer;
8f1f23e8 4160# else
6239f2da 4161# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 4162# include <crt_externs.h> /* for the env array */
4163# define environ (*_NSGetEnviron())
4164# endif
0c30d9ec 4165# endif
8f1f23e8
W		 4166#else
4167 /* VMS and some other platforms don't use the environ array */
13b6e58c 4168# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 4169# if !defined(DONT_DECLARE_STD) || \
4170 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
4171 defined(__sgi) || \
d460ef45 4172 defined(__DGUX)
8f1f23e8 4173extern char ** environ; /* environment variables supplied via exec */
a6c40364 4174# endif
8f1f23e8
W		 4175# endif
4176#endif
79072805 4177
73c4f7a1
GS		 4178START_EXTERN_C
4179
79072805 4180/* handy constants */
22c35a8c 4181EXTCONST char PL_warn_uninit[]
29489e7c 4182 INIT("Use of uninitialized value%s%s%s");
22c35a8c 4183EXTCONST char PL_warn_nosemi[]
463ee0b2 4184 INIT("Semicolon seems to be missing");
22c35a8c 4185EXTCONST char PL_warn_reserved[]
463ee0b2 4186 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4187EXTCONST char PL_warn_nl[]
93a17b20 4188 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4189EXTCONST char PL_no_wrongref[]
a0d0e21e 4190 INIT("Can't use %s ref as %s ref");
22c35a8c 4191EXTCONST char PL_no_symref[]
748a9306 4192 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 4193EXTCONST char PL_no_symref_sv[]
014ead4b 4194 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 4195EXTCONST char PL_no_usym[]
8990e307 4196 INIT("Can't use an undefined value as %s reference");
22c35a8c 4197EXTCONST char PL_no_aelem[]
93a17b20 4198 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4199EXTCONST char PL_no_helem_sv[]
d04ff51e 4200 INIT("Modification of non-creatable hash value attempted, subscript \"%"SVf"\"");
22c35a8c 4201EXTCONST char PL_no_modify[]
93a17b20 4202 INIT("Modification of a read-only value attempted");
22c35a8c 4203EXTCONST char PL_no_mem[]
93a17b20 4204 INIT("Out of memory!\n");
22c35a8c 4205EXTCONST char PL_no_security[]
463ee0b2 4206 INIT("Insecure dependency in %s%s");
22c35a8c 4207EXTCONST char PL_no_sock_func[]
93a17b20 4208 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4209EXTCONST char PL_no_dir_func[]
93a17b20 4210 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4211EXTCONST char PL_no_func[]
93a17b20 4212 INIT("The %s function is unimplemented");
22c35a8c 4213EXTCONST char PL_no_myglob[]
952306ac 4214 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 4215EXTCONST char PL_no_localize_ref[]
4216 INIT("Can't localize through a reference");
27d5b266
JH		 4217EXTCONST char PL_memory_wrap[]
4218 INIT("panic: memory wrap");
93a17b20 4219
618b9757
NC		 4220#ifdef CSH
4221EXTCONST char PL_cshname[]
4222 INIT(CSH);
4223# define PL_cshlen (sizeof(CSH "") - 1)
4224#endif
4225
7575fa06 4226EXTCONST char PL_uuemap[65]
80252599
GS		 4227 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4228
79072805 4229#ifdef DOINIT
9444d213
NC		 4230EXTCONST char PL_uudmap[256] =
4231#include "uudmap.h"
4232;
27da23d5
JH		 4233EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4234EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4235#else
9444d213 4236EXTCONST char PL_uudmap[256];
27da23d5
JH		 4237EXTCONST char* const PL_sig_name[];
4238EXTCONST int PL_sig_num[];
79072805
LW		 4239#endif
4240
3bd709b1 4241/* fast conversion and case folding tables */
bbce6d69 4242
79072805 4243#ifdef DOINIT
9d116dd7 4244#ifdef EBCDIC
27da23d5 4245EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 4246 0, 1, 2, 3, 4, 5, 6, 7,
4247 8, 9, 10, 11, 12, 13, 14, 15,
4248 16, 17, 18, 19, 20, 21, 22, 23,
4249 24, 25, 26, 27, 28, 29, 30, 31,
4250 32, 33, 34, 35, 36, 37, 38, 39,
4251 40, 41, 42, 43, 44, 45, 46, 47,
4252 48, 49, 50, 51, 52, 53, 54, 55,
4253 56, 57, 58, 59, 60, 61, 62, 63,
4254 64, 65, 66, 67, 68, 69, 70, 71,
4255 72, 73, 74, 75, 76, 77, 78, 79,
4256 80, 81, 82, 83, 84, 85, 86, 87,
4257 88, 89, 90, 91, 92, 93, 94, 95,
4258 96, 97, 98, 99, 100, 101, 102, 103,
4259 104, 105, 106, 107, 108, 109, 110, 111,
4260 112, 113, 114, 115, 116, 117, 118, 119,
4261 120, 121, 122, 123, 124, 125, 126, 127,
4262 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4263 'H', 'I', 138, 139, 140, 141, 142, 143,
4264 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
4265 'Q', 'R', 154, 155, 156, 157, 158, 159,
4266 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
4267 'Y', 'Z', 170, 171, 172, 173, 174, 175,
4268 176, 177, 178, 179, 180, 181, 182, 183,
4269 184, 185, 186, 187, 188, 189, 190, 191,
4270 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4271 'h', 'i', 202, 203, 204, 205, 206, 207,
4272 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
4273 'q', 'r', 218, 219, 220, 221, 222, 223,
4274 224, 225, 's', 't', 'u', 'v', 'w', 'x',
4275 'y', 'z', 234, 235, 236, 237, 238, 239,
4276 240, 241, 242, 243, 244, 245, 246, 247,
4277 248, 249, 250, 251, 252, 253, 254, 255
4278};
4279#else /* ascii rather than ebcdic */
22c35a8c 4280EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4281 0, 1, 2, 3, 4, 5, 6, 7,
4282 8, 9, 10, 11, 12, 13, 14, 15,
4283 16, 17, 18, 19, 20, 21, 22, 23,
4284 24, 25, 26, 27, 28, 29, 30, 31,
4285 32, 33, 34, 35, 36, 37, 38, 39,
4286 40, 41, 42, 43, 44, 45, 46, 47,
4287 48, 49, 50, 51, 52, 53, 54, 55,
4288 56, 57, 58, 59, 60, 61, 62, 63,
4289 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4290 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4291 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4292 'x', 'y', 'z', 91, 92, 93, 94, 95,
4293 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4294 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4295 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4296 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4297 128, 129, 130, 131, 132, 133, 134, 135,
4298 136, 137, 138, 139, 140, 141, 142, 143,
4299 144, 145, 146, 147, 148, 149, 150, 151,
4300 152, 153, 154, 155, 156, 157, 158, 159,
4301 160, 161, 162, 163, 164, 165, 166, 167,
4302 168, 169, 170, 171, 172, 173, 174, 175,
4303 176, 177, 178, 179, 180, 181, 182, 183,
4304 184, 185, 186, 187, 188, 189, 190, 191,
4305 192, 193, 194, 195, 196, 197, 198, 199,
4306 200, 201, 202, 203, 204, 205, 206, 207,
4307 208, 209, 210, 211, 212, 213, 214, 215,
4308 216, 217, 218, 219, 220, 221, 222, 223,
4309 224, 225, 226, 227, 228, 229, 230, 231,
4310 232, 233, 234, 235, 236, 237, 238, 239,
4311 240, 241, 242, 243, 244, 245, 246, 247,
4312 248, 249, 250, 251, 252, 253, 254, 255
4313};
9d116dd7 4314#endif /* !EBCDIC */
79072805 4315#else
22c35a8c 4316EXTCONST unsigned char PL_fold[];
79072805
LW		 4317#endif
4318
27da23d5 4319#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4320#ifdef DOINIT
27da23d5 4321EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4322 0, 1, 2, 3, 4, 5, 6, 7,
4323 8, 9, 10, 11, 12, 13, 14, 15,
4324 16, 17, 18, 19, 20, 21, 22, 23,
4325 24, 25, 26, 27, 28, 29, 30, 31,
4326 32, 33, 34, 35, 36, 37, 38, 39,
4327 40, 41, 42, 43, 44, 45, 46, 47,
4328 48, 49, 50, 51, 52, 53, 54, 55,
4329 56, 57, 58, 59, 60, 61, 62, 63,
4330 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4331 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4332 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4333 'x', 'y', 'z', 91, 92, 93, 94, 95,
4334 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4335 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4336 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4337 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4338 128, 129, 130, 131, 132, 133, 134, 135,
4339 136, 137, 138, 139, 140, 141, 142, 143,
4340 144, 145, 146, 147, 148, 149, 150, 151,
4341 152, 153, 154, 155, 156, 157, 158, 159,
4342 160, 161, 162, 163, 164, 165, 166, 167,
4343 168, 169, 170, 171, 172, 173, 174, 175,
4344 176, 177, 178, 179, 180, 181, 182, 183,
4345 184, 185, 186, 187, 188, 189, 190, 191,
4346 192, 193, 194, 195, 196, 197, 198, 199,
4347 200, 201, 202, 203, 204, 205, 206, 207,
4348 208, 209, 210, 211, 212, 213, 214, 215,
4349 216, 217, 218, 219, 220, 221, 222, 223,
4350 224, 225, 226, 227, 228, 229, 230, 231,
4351 232, 233, 234, 235, 236, 237, 238, 239,
4352 240, 241, 242, 243, 244, 245, 246, 247,
4353 248, 249, 250, 251, 252, 253, 254, 255
4354};
4355#else
27da23d5 4356EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4357#endif
27da23d5 4358#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4359
4360#ifdef DOINIT
9d116dd7 4361#ifdef EBCDIC
27da23d5 4362EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4363 1, 2, 84, 151, 154, 155, 156, 157,
4364 165, 246, 250, 3, 158, 7, 18, 29,
4365 40, 51, 62, 73, 85, 96, 107, 118,
4366 129, 140, 147, 148, 149, 150, 152, 153,
4367 255, 6, 8, 9, 10, 11, 12, 13,
4368 14, 15, 24, 25, 26, 27, 28, 226,
4369 29, 30, 31, 32, 33, 43, 44, 45,
4370 46, 47, 48, 49, 50, 76, 77, 78,
4371 79, 80, 81, 82, 83, 84, 85, 86,
4372 87, 94, 95, 234, 181, 233, 187, 190,
4373 180, 96, 97, 98, 99, 100, 101, 102,
4374 104, 112, 182, 174, 236, 232, 229, 103,
4375 228, 226, 114, 115, 116, 117, 118, 119,
4376 120, 121, 122, 235, 176, 230, 194, 162,
4377 130, 131, 132, 133, 134, 135, 136, 137,
4378 138, 139, 201, 205, 163, 217, 220, 224,
4379 5, 248, 227, 244, 242, 255, 241, 231,
4380 240, 253, 16, 197, 19, 20, 21, 187,
4381 23, 169, 210, 245, 237, 249, 247, 239,
4382 168, 252, 34, 196, 36, 37, 38, 39,
4383 41, 42, 251, 254, 238, 223, 221, 213,
4384 225, 177, 52, 53, 54, 55, 56, 57,
4385 58, 59, 60, 61, 63, 64, 65, 66,
4386 67, 68, 69, 70, 71, 72, 74, 75,
4387 205, 208, 186, 202, 200, 218, 198, 179,
4388 178, 214, 88, 89, 90, 91, 92, 93,
4389 217, 166, 170, 207, 199, 209, 206, 204,
4390 160, 212, 105, 106, 108, 109, 110, 111,
4391 203, 113, 216, 215, 192, 175, 193, 243,
4392 172, 161, 123, 124, 125, 126, 127, 128,
4393 222, 219, 211, 195, 188, 193, 185, 184,
4394 191, 183, 141, 142, 143, 144, 145, 146
4395};
4396#else /* ascii rather than ebcdic */
22c35a8c 4397EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4398 1, 2, 84, 151, 154, 155, 156, 157,
4399 165, 246, 250, 3, 158, 7, 18, 29,
4400 40, 51, 62, 73, 85, 96, 107, 118,
4401 129, 140, 147, 148, 149, 150, 152, 153,
4402 255, 182, 224, 205, 174, 176, 180, 217,
4403 233, 232, 236, 187, 235, 228, 234, 226,
4404 222, 219, 211, 195, 188, 193, 185, 184,
4405 191, 183, 201, 229, 181, 220, 194, 162,
4406 163, 208, 186, 202, 200, 218, 198, 179,
4407 178, 214, 166, 170, 207, 199, 209, 206,
4408 204, 160, 212, 216, 215, 192, 175, 173,
4409 243, 172, 161, 190, 203, 189, 164, 230,
4410 167, 248, 227, 244, 242, 255, 241, 231,
4411 240, 253, 169, 210, 245, 237, 249, 247,
4412 239, 168, 252, 251, 254, 238, 223, 221,
4413 213, 225, 177, 197, 171, 196, 159, 4,
4414 5, 6, 8, 9, 10, 11, 12, 13,
4415 14, 15, 16, 17, 19, 20, 21, 22,
4416 23, 24, 25, 26, 27, 28, 30, 31,
4417 32, 33, 34, 35, 36, 37, 38, 39,
4418 41, 42, 43, 44, 45, 46, 47, 48,
4419 49, 50, 52, 53, 54, 55, 56, 57,
4420 58, 59, 60, 61, 63, 64, 65, 66,
4421 67, 68, 69, 70, 71, 72, 74, 75,
4422 76, 77, 78, 79, 80, 81, 82, 83,
4423 86, 87, 88, 89, 90, 91, 92, 93,
4424 94, 95, 97, 98, 99, 100, 101, 102,
4425 103, 104, 105, 106, 108, 109, 110, 111,
4426 112, 113, 114, 115, 116, 117, 119, 120,
4427 121, 122, 123, 124, 125, 126, 127, 128,
4428 130, 131, 132, 133, 134, 135, 136, 137,
4429 138, 139, 141, 142, 143, 144, 145, 146
4430};
9d116dd7 4431#endif
79072805 4432#else
22c35a8c 4433EXTCONST unsigned char PL_freq[];
79072805
LW		 4434#endif
4435
8990e307
LW		 4436#ifdef DEBUGGING
4437#ifdef DOINIT
27da23d5 4438EXTCONST char* const PL_block_type[] = {
8990e307 4439 "NULL",
d01136d6 4440 "WHEN",
8990e307 4441 "BLOCK",
0d863452 4442 "GIVEN",
d01136d6
BS		 4443 "LOOP_FOR",
4444 "LOOP_PLAIN",
4445 "LOOP_LAZYSV",
4446 "LOOP_LAZYIV",
76753e7f
NC		 4447 "SUB",
4448 "FORMAT",
4449 "EVAL",
4450 "SUBST"
8990e307
LW		 4451};
4452#else
22c35a8c 4453EXTCONST char* PL_block_type[];
8990e307
LW		 4454#endif
4455#endif
4456
b75885fd
NC		 4457/* These are all the compile time options that affect binary compatibility.
4458 Other compile time options that are binary compatible are in perl.c
4459 Both are combined for the output of perl -V
4460 However, this string will be embedded in any shared perl library, which will
4461 allow us add a comparison check in perlmain.c in the near future. */
4462#ifdef DOINIT
4463EXTCONST char PL_bincompat_options[] =
4464# ifdef DEBUG_LEAKING_SCALARS
4465 " DEBUG_LEAKING_SCALARS"
4466# endif
4467# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4468 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4469# endif
4470# ifdef FAKE_THREADS
4471 " FAKE_THREADS"
4472# endif
4473# ifdef MULTIPLICITY
4474 " MULTIPLICITY"
4475# endif
4476# ifdef MYMALLOC
4477 " MYMALLOC"
4478# endif
4479# ifdef PERL_DEBUG_READONLY_OPS
4480 " PERL_DEBUG_READONLY_OPS"
4481# endif
4482# ifdef PERL_GLOBAL_STRUCT
4483 " PERL_GLOBAL_STRUCT"
4484# endif
4485# ifdef PERL_IMPLICIT_CONTEXT
4486 " PERL_IMPLICIT_CONTEXT"
4487# endif
4488# ifdef PERL_IMPLICIT_SYS
4489 " PERL_IMPLICIT_SYS"
4490# endif
4491# ifdef PERL_MAD
4492 " PERL_MAD"
4493# endif
4494# ifdef PERL_NEED_APPCTX
4495 " PERL_NEED_APPCTX"
4496# endif
4497# ifdef PERL_NEED_TIMESBASE
4498 " PERL_NEED_TIMESBASE"
4499# endif
4500# ifdef PERL_OLD_COPY_ON_WRITE
4501 " PERL_OLD_COPY_ON_WRITE"
4502# endif
4503# ifdef PERL_POISON
4504 " PERL_POISON"
4505# endif
4506# ifdef PERL_TRACK_MEMPOOL
4507 " PERL_TRACK_MEMPOOL"
4508# endif
4509# ifdef PERL_USES_PL_PIDSTATUS
4510 " PERL_USES_PL_PIDSTATUS"
4511# endif
4512# ifdef PL_OP_SLAB_ALLOC
4513 " PL_OP_SLAB_ALLOC"
4514# endif
4515# ifdef THREADS_HAVE_PIDS
4516 " THREADS_HAVE_PIDS"
4517# endif
4518# ifdef USE_64_BIT_ALL
4519 " USE_64_BIT_ALL"
4520# endif
4521# ifdef USE_64_BIT_INT
4522 " USE_64_BIT_INT"
4523# endif
c7b392fa
NC		 4524# ifdef USE_IEEE
4525 " USE_IEEE"
4526# endif
b75885fd
NC		 4527# ifdef USE_ITHREADS
4528 " USE_ITHREADS"
4529# endif
4530# ifdef USE_LARGE_FILES
4531 " USE_LARGE_FILES"
4532# endif
4533# ifdef USE_LONG_DOUBLE
4534 " USE_LONG_DOUBLE"
4535# endif
4536# ifdef USE_PERLIO
4537 " USE_PERLIO"
4538# endif
4539# ifdef USE_REENTRANT_API
4540 " USE_REENTRANT_API"
4541# endif
4542# ifdef USE_SFIO
4543 " USE_SFIO"
4544# endif
4545# ifdef USE_SOCKS
4546 " USE_SOCKS"
4547# endif
4f575702
CB		 4548# ifdef VMS_DO_SOCKETS
4549 " VMS_DO_SOCKETS"
4550# ifdef DECCRTL_SOCKETS
4551 " DECCRTL_SOCKETS"
4552# endif
4553# endif
4554# ifdef VMS_WE_ARE_CASE_SENSITIVE
4555 " VMS_SYMBOL_CASE_AS_IS"
4556# endif
a68dd89e 4557 "";
b75885fd
NC		 4558#else
4559EXTCONST char PL_bincompat_options[];
4560#endif
4561
73c4f7a1
GS		 4562END_EXTERN_C
4563
79072805
LW		 4564/*****************************************************************************/
4565/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4566/*****************************************************************************/
8990e307 4567/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4568
d4c3c482 4569#ifdef __Lynx__
9cffb111
OS		 4570/* LynxOS defines these in scsi.h which is included via ioctl.h */
4571#ifdef FORMAT
4572#undef FORMAT
4573#endif
4574#ifdef SPACE
4575#undef SPACE
4576#endif
d4c3c482 4577#endif
9cffb111 4578
fb73857a 4579#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4580
79072805
LW		 4581typedef enum {
4582 XOPERATOR,
4583 XTERM,
79072805 4584 XREF,
8990e307 4585 XSTATE,
a0d0e21e 4586 XBLOCK,
09bef843
SB		 4587 XATTRBLOCK,
4588 XATTRTERM,
6f33ba73
RGS		 4589 XTERMBLOCK,
4590 XTERMORDORDOR /* evil hack */
27308ded 4591 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4592} expectation;
4593
dc9e4912
GS		 4594enum { /* pass one of these to get_vtbl */
4595 want_vtbl_sv,
4596 want_vtbl_env,
4597 want_vtbl_envelem,
4598 want_vtbl_sig,
4599 want_vtbl_sigelem,
4600 want_vtbl_pack,
4601 want_vtbl_packelem,
4602 want_vtbl_dbline,
4603 want_vtbl_isa,
4604 want_vtbl_isaelem,
4605 want_vtbl_arylen,
4606 want_vtbl_glob,
4607 want_vtbl_mglob,
4608 want_vtbl_nkeys,
4609 want_vtbl_taint,
4610 want_vtbl_substr,
4611 want_vtbl_vec,
4612 want_vtbl_pos,
4613 want_vtbl_bm,
4614 want_vtbl_fm,
4615 want_vtbl_uvar,
4616 want_vtbl_defelem,
4617 want_vtbl_regexp,
4618 want_vtbl_collxfrm,
4619 want_vtbl_amagic,
4620 want_vtbl_amagicelem,
dc9e4912 4621 want_vtbl_regdata,
810b8aa5 4622 want_vtbl_regdatum,
7e8c5dac 4623 want_vtbl_backref,
8d2f4536 4624 want_vtbl_utf8,
83bf042f 4625 want_vtbl_symtab,
b3ca2e83
NC		 4626 want_vtbl_arylen_p,
4627 want_vtbl_hintselem
dc9e4912
GS		 4628};
4629
d5ec2987
NC		 4630
4631/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4632 special and there is no need for HINT_PRIVATE_MASK for COPs
4633 However, bitops store HINT_INTEGER in their op_private. */
9cfe5470
RGS		 4634#define HINT_INTEGER 0x00000001 /* integer pragma */
4635#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4636#define HINT_LOCALE 0x00000004 /* locale pragma */
4637#define HINT_BYTES 0x00000008 /* bytes pragma */
7b0bddfa 4638#define HINT_ARYBASE 0x00000010 /* $[ is non-zero */
a0ed51b3 4639 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 4640 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 4641
4642#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4643#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4644#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 4645
9cfe5470 4646/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4647#define HINT_NEW_INTEGER 0x00001000
4648#define HINT_NEW_FLOAT 0x00002000
4649#define HINT_NEW_BINARY 0x00004000
4650#define HINT_NEW_STRING 0x00008000
4651#define HINT_NEW_RE 0x00010000
4652#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 4653#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4654#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 4655
9cfe5470
RGS		 4656#define HINT_RE_TAINT 0x00100000 /* re pragma */
4657#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4658
9cfe5470
RGS		 4659#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4660#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4661
0239f47c 4662/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4663#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4664#define HINT_SORT_QUICKSORT 0x00000001
4665#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4666#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4667
8bfdd7d9 4668/* Various states of the input record separator SV (rs) */
d4cce5f1 4669#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4670#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4671#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4672#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4673
128e8167 4674/* A struct for keeping various DEBUGGING related stuff,
ce333219 4675 * neatly packed. Currently only scratch variables for
128e8167
JH		 4676 * constructing debug output are included. Needed always,
4677 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4678struct perl_debug_pad {
4679 SV pad[3];
4680};
4681
4682#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4683#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4684 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4685 PERL_DEBUG_PAD(i))
ce333219 4686
56953603 4687/* Enable variables which are pointers to functions */
a2efc822 4688typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 4689typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
4690typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
4691 char* strend, char* strbeg, I32 minend,
4692 SV* screamer, void* data, U32 flags);
f722798b
IZ		 4693typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
4694 char *strpos, char *strend,
4695 U32 flags,
9f61653a 4696 re_scream_pos_data *d);
f722798b
IZ		 4697typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
4698typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
84da74a7 4699typedef regexp*(CPERLscope(*regdupe_t)) (pTHX_ const regexp* r, CLONE_PARAMS *param);
56953603 4700
c76ac1ee 4701typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc 4702typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
f30de749 4703typedef void (*SVFUNC_t) (pTHX_ SV* const);
31e9e0a3 4704typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
acfe0abc
GS		 4705typedef void (*XSINIT_t) (pTHX);
4706typedef void (*ATEXIT_t) (pTHX_ void*);
4707typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4708
22239a37
NIS		 4709/* Set up PERLVAR macros for populating structs */
4710#define PERLVAR(var,type) type var;
51371543 4711#define PERLVARA(var,n,type) type var[n];
22239a37 4712#define PERLVARI(var,type,init) type var;
3fe35a81 4713#define PERLVARIC(var,type,init) type var;
27da23d5
JH		 4714#define PERLVARISC(var,init) const char var[sizeof(init)];
4715
4716typedef OP* (CPERLscope(*Perl_ppaddr_t))(pTHX);
4717typedef OP* (CPERLscope(*Perl_check_t)) (pTHX_ OP*);
22239a37 4718
58a50f62
GS		 4719/* Interpreter exitlist entry */
4720typedef struct exitlistentry {
acfe0abc 4721 void (*fn) (pTHX_ void*);
58a50f62
GS		 4722 void *ptr;
4723} PerlExitListEntry;
4724
aadb217d
JH		 4725/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4726/* These have to be before perlvars.h */
4727#if !defined(HAS_SIGACTION) && defined(VMS)
4728# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4729#endif
4730/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4731#if defined(KILL_BY_SIGPRC)
4732# define FAKE_DEFAULT_SIGNAL_HANDLERS
4733#endif
4734
ffee3ff6
NC		 4735#define PERL_PATCHLEVEL_H_IMPLICIT
4736#include "patchlevel.h"
4737#undef PERL_PATCHLEVEL_H_IMPLICIT
4738
22239a37
NIS		 4739#ifdef PERL_GLOBAL_STRUCT
4740struct perl_vars {
7766f137 4741# include "perlvars.h"
22239a37
NIS		 4742};
4743
7766f137 4744# ifdef PERL_CORE
27da23d5 4745# ifndef PERL_GLOBAL_STRUCT_PRIVATE
533c011a
NIS		 4746EXT struct perl_vars PL_Vars;
4747EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
27da23d5
JH		 4748# undef PERL_GET_VARS
4749# define PERL_GET_VARS() PL_VarsPtr
4750# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
7766f137
GS		 4751# else /* PERL_CORE */
4752# if !defined(__GNUC__) || !defined(WIN32)
22239a37 4753EXT
7766f137 4754# endif /* WIN32 */
533c011a 4755struct perl_vars *PL_VarsPtr;
7766f137
GS		 4756# define PL_Vars (*((PL_VarsPtr) \
4757 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
4758# endif /* PERL_CORE */
22239a37
NIS		 4759#endif /* PERL_GLOBAL_STRUCT */
4760
acfe0abc 4761#if defined(MULTIPLICITY)
d460ef45 4762/* If we have multiple interpreters define a struct
d4cce5f1 4763 holding variables which must be per-interpreter
d460ef45 4764 If we don't have threads anything that would have
d4cce5f1
NIS		 4765 be per-thread is per-interpreter.
4766*/
4767
79072805 4768struct interpreter {
7766f137 4769# include "intrpvar.h"
49f531da 4770};
d4cce5f1 4771
79072805 4772#else
49f531da
NIS		 4773struct interpreter {
4774 char broiled;
4775};
acfe0abc 4776#endif /* MULTIPLICITY */
79072805 4777
22239a37 4778/* Done with PERLVAR macros for now ... */
d4cce5f1 4779#undef PERLVAR
51371543 4780#undef PERLVARA
d4cce5f1 4781#undef PERLVARI
3fe35a81 4782#undef PERLVARIC
27da23d5 4783#undef PERLVARISC
79072805 4784
f7fe979e 4785struct tempsym; /* defined in pp_pack.c */
49704364 4786
22239a37 4787#include "thread.h"
79072805 4788#include "pp.h"
864dbfa3
GS		 4789
4790#ifndef PERL_CALLCONV
a0c21aa1
JH		 4791# ifdef __cplusplus
4792# define PERL_CALLCONV extern "C"
4793# else
4794# define PERL_CALLCONV
4795# endif
d460ef45 4796#endif
0cb96387
GS		 4797#undef PERL_CKDEF
4798#undef PERL_PPDEF
0159f81b
JH		 4799#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
4800#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 4801
7766f137 4802#include "proto.h"
864dbfa3 4803
0cb96387 4804/* this has structure inits, so it cannot be included before here */
acfe0abc 4805#include "opcode.h"
864dbfa3 4806
d4cce5f1
NIS		 4807/* The following must follow proto.h as #defines mess up syntax */
4808
22c35a8c
GS		 4809#if !defined(PERL_FOR_X2P)
4810# include "embedvar.h"
4811#endif
598921a7
NC		 4812#ifndef PERL_MAD
4813# undef PL_madskills
4814# undef PL_xmlfp
4815# define PL_madskills 0
4816# define PL_xmlfp 0
4817#endif
d4cce5f1 4818
d460ef45 4819/* Now include all the 'global' variables
d4cce5f1 4820 * If we don't have threads or multiple interpreters
d460ef45 4821 * these include variables that would have been their struct-s
d4cce5f1 4822 */
d460ef45 4823
533c011a 4824#define PERLVAR(var,type) EXT type PL_##var;
51371543 4825#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 4826#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
4827#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
27da23d5 4828#define PERLVARISC(var,init) EXTCONST char PL_##var[sizeof(init)] INIT(init);
d4cce5f1 4829
acfe0abc 4830#if !defined(MULTIPLICITY)
7766f137 4831START_EXTERN_C
066ef5b5 4832# include "intrpvar.h"
7766f137 4833END_EXTERN_C
22239a37
NIS		 4834#endif
4835
24792b8d
NC		 4836#ifdef PERL_CORE
4837/* All core uses now exterminated. Ensure no zombies can return: */
4838# undef PL_na
4839#endif
4840
acfe0abc 4841#if defined(WIN32)
66a93824 4842/* Now all the config stuff is setup we can include embed.h */
22c35a8c 4843# include "embed.h"
eb8433b7
NC		 4844# ifndef PERL_MAD
4845# undef op_getmad
b3f24c00 4846# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 4847# endif
acfe0abc 4848#endif
22239a37 4849
c5be433b
GS		 4850#ifndef PERL_GLOBAL_STRUCT
4851START_EXTERN_C
4852
4853# include "perlvars.h"
4854
4855END_EXTERN_C
4856#endif
4857
d4cce5f1 4858#undef PERLVAR
51371543 4859#undef PERLVARA
d4cce5f1 4860#undef PERLVARI
0f3f18a6 4861#undef PERLVARIC
79072805 4862
73c4f7a1
GS		 4863START_EXTERN_C
4864
bc028b6b
JH		 4865/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
4866 * magic vtables const, but this is incompatible with SWIG which
4867 * does want to modify the vtables. */
4868#ifdef PERL_GLOBAL_STRUCT_PRIVATE
4869# define EXT_MGVTBL EXTCONST MGVTBL
4870#else
4871# define EXT_MGVTBL EXT MGVTBL
4872#endif
4873
79072805 4874#ifdef DOINIT
bc028b6b 4875# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var = {a,b,c,d,e,f,g,h}
2664ba31 4876/* Like MGVTBL_SET but with the get magic having a const MG* */
bc028b6b 4877# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var \
2664ba31 4878 = {(int (*)(pTHX_ SV *, MAGIC *))a,b,c,d,e,f,g,h}
4944113a 4879#else
bc028b6b
JH		 4880# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var
4881# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var
4944113a
AL		 4882#endif
4883
abdc98d4
NC		 4884/* These all need to be 0, not NULL, as NULL can be (void*)0, which is a
4885 * pointer to data, whereas we're assigning pointers to functions, which are
4886 * not the same beast. ANSI doesn't allow the assignment from one to the other.
4887 * (although most, but not all, compilers are prepared to do it)
4888 */
4944113a
AL		 4889MGVTBL_SET(
4890 PL_vtbl_sv,
4891 MEMBER_TO_FPTR(Perl_magic_get),
4892 MEMBER_TO_FPTR(Perl_magic_set),
4893 MEMBER_TO_FPTR(Perl_magic_len),
abdc98d4
NC		 4894 0,
4895 0,
4896 0,
4897 0,
4898 0
4944113a
AL		 4899);
4900
4901MGVTBL_SET(
4902 PL_vtbl_env,
abdc98d4 4903 0,
4944113a 4904 MEMBER_TO_FPTR(Perl_magic_set_all_env),
abdc98d4 4905 0,
4944113a 4906 MEMBER_TO_FPTR(Perl_magic_clear_all_env),
abdc98d4
NC		 4907 0,
4908 0,
4909 0,
4910 0
4944113a
AL		 4911);
4912
4913MGVTBL_SET(
4914 PL_vtbl_envelem,
abdc98d4 4915 0,
4944113a 4916 MEMBER_TO_FPTR(Perl_magic_setenv),
abdc98d4 4917 0,
4944113a 4918 MEMBER_TO_FPTR(Perl_magic_clearenv),
abdc98d4
NC		 4919 0,
4920 0,
4921 0,
4922 0
4944113a
AL		 4923);
4924
abdc98d4 4925/* For now, hints magic will also use vtbl_sig, because it is all 0 */
4944113a
AL		 4926MGVTBL_SET(
4927 PL_vtbl_sig,
abdc98d4
NC		 4928 0,
4929 0,
4930 0,
4931 0,
4932 0,
4933 0,
4934 0,
4935 0
4944113a
AL		 4936);
4937
9ba75e3c 4938#ifdef PERL_MICRO
4944113a
AL		 4939MGVTBL_SET(
4940 PL_vtbl_sigelem,
abdc98d4
NC		 4941 0,
4942 0,
4943 0,
4944 0,
4945 0,
4946 0,
4947 0,
4948 0
9ba75e3c
DD		 4949);
4950
64ca3a65 4951#else
9ba75e3c
DD		 4952MGVTBL_SET(
4953 PL_vtbl_sigelem,
4944113a
AL		 4954 MEMBER_TO_FPTR(Perl_magic_getsig),
4955 MEMBER_TO_FPTR(Perl_magic_setsig),
abdc98d4 4956 0,
4944113a 4957 MEMBER_TO_FPTR(Perl_magic_clearsig),
abdc98d4
NC		 4958 0,
4959 0,
4960 0,
4961 0
4944113a 4962);
9ba75e3c 4963#endif
4944113a
AL		 4964
4965MGVTBL_SET(
4966 PL_vtbl_pack,
abdc98d4
NC		 4967 0,
4968 0,
4944113a
AL		 4969 MEMBER_TO_FPTR(Perl_magic_sizepack),
4970 MEMBER_TO_FPTR(Perl_magic_wipepack),
abdc98d4
NC		 4971 0,
4972 0,
4973 0,
4974 0
4944113a
AL		 4975);
4976
4977MGVTBL_SET(
4978 PL_vtbl_packelem,
4979 MEMBER_TO_FPTR(Perl_magic_getpack),
4980 MEMBER_TO_FPTR(Perl_magic_setpack),
abdc98d4 4981 0,
4944113a 4982 MEMBER_TO_FPTR(Perl_magic_clearpack),
abdc98d4
NC		 4983 0,
4984 0,
4985 0,
4986 0
4944113a
AL		 4987);
4988
4989MGVTBL_SET(
4990 PL_vtbl_dbline,
abdc98d4 4991 0,
4944113a 4992 MEMBER_TO_FPTR(Perl_magic_setdbline),
abdc98d4
NC		 4993 0,
4994 0,
4995 0,
4996 0,
4997 0,
4998 0
4944113a
AL		 4999);
5000
5001MGVTBL_SET(
5002 PL_vtbl_isa,
abdc98d4 5003 0,
4944113a 5004 MEMBER_TO_FPTR(Perl_magic_setisa),
abdc98d4 5005 0,
52b45067 5006 MEMBER_TO_FPTR(Perl_magic_clearisa),
0fa56319 5007 0,
abdc98d4
NC		 5008 0,
5009 0,
5010 0
4944113a
AL		 5011);
5012
5013MGVTBL_SET(
5014 PL_vtbl_isaelem,
abdc98d4 5015 0,
4944113a 5016 MEMBER_TO_FPTR(Perl_magic_setisa),
abdc98d4
NC		 5017 0,
5018 0,
5019 0,
5020 0,
5021 0,
5022 0
4944113a
AL		 5023);
5024
2e2109e1 5025MGVTBL_SET_CONST_MAGIC_GET(
4944113a
AL		 5026 PL_vtbl_arylen,
5027 MEMBER_TO_FPTR(Perl_magic_getarylen),
5028 MEMBER_TO_FPTR(Perl_magic_setarylen),
abdc98d4
NC		 5029 0,
5030 0,
5031 0,
5032 0,
5033 0,
5034 0
4944113a
AL		 5035);
5036
5037MGVTBL_SET(
83bf042f 5038 PL_vtbl_arylen_p,
abdc98d4
NC		 5039 0,
5040 0,
5041 0,
5042 0,
83bf042f 5043 MEMBER_TO_FPTR(Perl_magic_freearylen_p),
abdc98d4
NC		 5044 0,
5045 0,
5046 0
83bf042f
NC		 5047);
5048
5049MGVTBL_SET(
4944113a 5050 PL_vtbl_mglob,
abdc98d4 5051 0,
4944113a 5052 MEMBER_TO_FPTR(Perl_magic_setmglob),
abdc98d4
NC		 5053 0,
5054 0,
5055 0,
5056 0,
5057 0,
5058 0
4944113a
AL		 5059);
5060
5061MGVTBL_SET(
5062 PL_vtbl_nkeys,
5063 MEMBER_TO_FPTR(Perl_magic_getnkeys),
5064 MEMBER_TO_FPTR(Perl_magic_setnkeys),
abdc98d4
NC		 5065 0,
5066 0,
5067 0,
5068 0,
5069 0,
5070 0
4944113a
AL		 5071);
5072
5073MGVTBL_SET(
5074 PL_vtbl_taint,
5075 MEMBER_TO_FPTR(Perl_magic_gettaint),
5076 MEMBER_TO_FPTR(Perl_magic_settaint),
abdc98d4
NC		 5077 0,
5078 0,
5079 0,
5080 0,
5081 0,
5082 0
4944113a
AL		 5083);
5084
5085MGVTBL_SET(
5086 PL_vtbl_substr,
5087 MEMBER_TO_FPTR(Perl_magic_getsubstr),
5088 MEMBER_TO_FPTR(Perl_magic_setsubstr),
abdc98d4
NC		 5089 0,
5090 0,
5091 0,
5092 0,
5093 0,
5094 0
4944113a
AL		 5095);
5096
5097MGVTBL_SET(
5098 PL_vtbl_vec,
5099 MEMBER_TO_FPTR(Perl_magic_getvec),
5100 MEMBER_TO_FPTR(Perl_magic_setvec),
abdc98d4
NC		 5101 0,
5102 0,
5103 0,
5104 0,
5105 0,
5106 0
4944113a
AL		 5107);
5108
5109MGVTBL_SET(
5110 PL_vtbl_pos,
5111 MEMBER_TO_FPTR(Perl_magic_getpos),
5112 MEMBER_TO_FPTR(Perl_magic_setpos),
abdc98d4
NC		 5113 0,
5114 0,
5115 0,
5116 0,
5117 0,
5118 0
4944113a
AL		 5119);
5120
5121MGVTBL_SET(
5122 PL_vtbl_bm,
abdc98d4 5123 0,
488344d2 5124 MEMBER_TO_FPTR(Perl_magic_setregexp),
abdc98d4
NC		 5125 0,
5126 0,
5127 0,
5128 0,
5129 0,
5130 0
4944113a
AL		 5131);
5132
5133MGVTBL_SET(
5134 PL_vtbl_fm,
abdc98d4 5135 0,
488344d2 5136 MEMBER_TO_FPTR(Perl_magic_setregexp),
abdc98d4
NC		 5137 0,
5138 0,
5139 0,
5140 0,
5141 0,
5142 0
4944113a
AL		 5143);
5144
5145MGVTBL_SET(
5146 PL_vtbl_uvar,
5147 MEMBER_TO_FPTR(Perl_magic_getuvar),
5148 MEMBER_TO_FPTR(Perl_magic_setuvar),
abdc98d4
NC		 5149 0,
5150 0,
5151 0,
5152 0,
5153 0,
5154 0
4944113a
AL		 5155);
5156
5157MGVTBL_SET(
5158 PL_vtbl_defelem,
5159 MEMBER_TO_FPTR(Perl_magic_getdefelem),
5160 MEMBER_TO_FPTR(Perl_magic_setdefelem),
abdc98d4
NC		 5161 0,
5162 0,
5163 0,
5164 0,
5165 0,
5166 0
4944113a
AL		 5167);
5168
5169MGVTBL_SET(
5170 PL_vtbl_regexp,
abdc98d4 5171 0,
4944113a 5172 MEMBER_TO_FPTR(Perl_magic_setregexp),
abdc98d4
NC		 5173 0,
5174 0,
288b8c02 5175 0,
abdc98d4
NC		 5176 0,
5177 0,
5178 0
4944113a
AL		 5179);
5180
5181MGVTBL_SET(
5182 PL_vtbl_regdata,
abdc98d4
NC		 5183 0,
5184 0,
4944113a 5185 MEMBER_TO_FPTR(Perl_magic_regdata_cnt),
abdc98d4
NC		 5186 0,
5187 0,
5188 0,
5189 0,
5190 0
4944113a
AL		 5191);
5192
5193MGVTBL_SET(
5194 PL_vtbl_regdatum,
5195 MEMBER_TO_FPTR(Perl_magic_regdatum_get),
5196 MEMBER_TO_FPTR(Perl_magic_regdatum_set),
abdc98d4
NC		 5197 0,
5198 0,
5199 0,
5200 0,
5201 0,
5202 0
4944113a
AL		 5203);
5204
5205MGVTBL_SET(
5206 PL_vtbl_amagic,
abdc98d4 5207 0,
4944113a 5208 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5209 0,
5210 0,
4944113a 5211 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5212 0,
5213 0,
5214 0
4944113a
AL		 5215);
5216
5217MGVTBL_SET(
5218 PL_vtbl_amagicelem,
abdc98d4 5219 0,
4944113a 5220 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5221 0,
5222 0,
4944113a 5223 MEMBER_TO_FPTR(Perl_magic_setamagic),
abdc98d4
NC		 5224 0,
5225 0,
5226 0
4944113a
AL		 5227);
5228
5229MGVTBL_SET(
5230 PL_vtbl_backref,
abdc98d4
NC		 5231 0,
5232 0,
5233 0,
5234 0,
4944113a 5235 MEMBER_TO_FPTR(Perl_magic_killbackrefs),
abdc98d4
NC		 5236 0,
5237 0,
5238 0
4944113a
AL		 5239);
5240
5241MGVTBL_SET(
5242 PL_vtbl_ovrld,
abdc98d4
NC		 5243 0,
5244 0,
5245 0,
5246 0,
4944113a 5247 MEMBER_TO_FPTR(Perl_magic_freeovrld),
abdc98d4
NC		 5248 0,
5249 0,
5250 0
4944113a
AL		 5251);
5252
5253MGVTBL_SET(
5254 PL_vtbl_utf8,
abdc98d4 5255 0,
4944113a 5256 MEMBER_TO_FPTR(Perl_magic_setutf8),
abdc98d4
NC		 5257 0,
5258 0,
5259 0,
5260 0,
5261 0,
5262 0
4944113a 5263);
36477c24 5264#ifdef USE_LOCALE_COLLATE
4944113a
AL		 5265MGVTBL_SET(
5266 PL_vtbl_collxfrm,
abdc98d4 5267 0,
4944113a 5268 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
abdc98d4
NC		 5269 0,
5270 0,
5271 0,
5272 0,
5273 0,
5274 0
4944113a 5275);
bbce6d69 5276#endif
a0d0e21e 5277
b3ca2e83
NC		 5278MGVTBL_SET(
5279 PL_vtbl_hintselem,
abdc98d4 5280 0,
b3ca2e83 5281 MEMBER_TO_FPTR(Perl_magic_sethint),
abdc98d4 5282 0,
b3ca2e83 5283 MEMBER_TO_FPTR(Perl_magic_clearhint),
abdc98d4
NC		 5284 0,
5285 0,
5286 0,
5287 0
b3ca2e83
NC		 5288);
5289
bab3dc31 5290#include "overload.h"
a0d0e21e 5291
73c4f7a1
GS		 5292END_EXTERN_C
5293
a6006777 5294struct am_table {
8175493d 5295 U32 flags;
eb160463 5296 U32 was_ok_sub;
a0d0e21e 5297 long was_ok_am;
a0d0e21e 5298 long fallback;
9bd87817 5299 CV* table[NofAMmeth];
a0d0e21e 5300};
a6006777 5301struct am_table_short {
8175493d 5302 U32 flags;
eb160463 5303 U32 was_ok_sub;
a6006777 5304 long was_ok_am;
a6006777 5305};
a0d0e21e 5306typedef struct am_table AMT;
a6006777 5307typedef struct am_table_short AMTS;
a0d0e21e
LW		 5308
5309#define AMGfallNEVER 1
5310#define AMGfallNO 2
5311#define AMGfallYES 3
5312
a6006777 5313#define AMTf_AMAGIC 1
32251b26 5314#define AMTf_OVERLOADED 2
a6006777 5315#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5316#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5317#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 5318#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
5319#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
5320#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 5321
32251b26 5322#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5323
5324/*
5325 * some compilers like to redefine cos et alia as faster
5326 * (and less accurate?) versions called F_cos et cetera (Quidquid
5327 * latine dictum sit, altum viditur.) This trick collides with
5328 * the Perl overloading (amg). The following #defines fool both.
5329 */
5330
5331#ifdef _FASTMATH
5332# ifdef atan2
5333# define F_atan2_amg atan2_amg
5334# endif
5335# ifdef cos
5336# define F_cos_amg cos_amg
5337# endif
5338# ifdef exp
5339# define F_exp_amg exp_amg
5340# endif
5341# ifdef log
5342# define F_log_amg log_amg
5343# endif
5344# ifdef pow
5345# define F_pow_amg pow_amg
5346# endif
5347# ifdef sin
5348# define F_sin_amg sin_amg
5349# endif
5350# ifdef sqrt
5351# define F_sqrt_amg sqrt_amg
5352# endif
5353#endif /* _FASTMATH */
5354
83ee9e09
GS		 5355#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5356 PERLDBf_NOOPT | PERLDBf_INTER | \
5357 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
b8fcbefe
NC		 5358 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5359 PERLDBf_SAVESRC)
925cfbb8 5360 /* No _NONAME, _GOTO */
83ee9e09
GS		 5361#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5362#define PERLDBf_LINE 0x02 /* Keep line # */
5363#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5364#define PERLDBf_INTER 0x08 /* Preserve more data for
5365 later inspections */
5366#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5367#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5368#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5369#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5370#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5371#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
b8fcbefe 5372#define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
c30d8139
NC		 5373#define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subrouties */
5374#define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
84902520 5375
3280af22
NIS		 5376#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5377#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5378#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5379#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5380#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5381#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5382#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5383#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5384#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5385#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
b8fcbefe 5386#define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC))
c30d8139
NC		 5387#define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS))
5388#define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID))
bbce6d69 5389
36477c24 5390#ifdef USE_LOCALE_NUMERIC
bbce6d69 5391
36477c24 5392#define SET_NUMERIC_STANDARD() \
ff4fed7c 5393 set_numeric_standard();
36477c24 5394
5395#define SET_NUMERIC_LOCAL() \
ff4fed7c 5396 set_numeric_local();
bbce6d69 5397
a98fe34d 5398#define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE)
2de3dbcc
JH		 5399#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
5400
5401#define IN_LOCALE \
923e4eb5 5402 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
2de3dbcc 5403
f93f4e46 5404#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 5405 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 5406 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 5407
5408#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 5409 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 5410 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 5411
5412#define RESTORE_NUMERIC_LOCAL() \
5413 if (was_local) SET_NUMERIC_LOCAL();
5414
5415#define RESTORE_NUMERIC_STANDARD() \
5416 if (was_standard) SET_NUMERIC_STANDARD();
5417
5b877257 5418#define Atof my_atof
097ee67d 5419
36477c24 5420#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5421
097ee67d
JH		 5422#define SET_NUMERIC_STANDARD() /**/
5423#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5424#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5425#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5426#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 5427#define RESTORE_NUMERIC_LOCAL() /**/
5428#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 5429#define Atof my_atof
ad3e0f90 5430#define IN_LOCALE_RUNTIME 0
bbce6d69 5431
36477c24 5432#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5433
079290de 5434#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5435# ifdef __hpux
5436# define strtoll __strtoll /* secret handshake */
5437# endif
c623ac67
GS		 5438# ifdef WIN64
5439# define strtoll _strtoi64 /* secret handshake */
5440# endif
079290de
GS		 5441# if !defined(Strtol) && defined(HAS_STRTOLL)
5442# define Strtol strtoll
ad551343 5443# endif
28e5dec8
JH		 5444# if !defined(Strtol) && defined(HAS_STRTOQ)
5445# define Strtol strtoq
5446# endif
ff935051 5447/* is there atoq() anywhere? */
15b99d39 5448#endif
079290de
GS		 5449#if !defined(Strtol) && defined(HAS_STRTOL)
5450# define Strtol strtol
5451#endif
5452#ifndef Atol
5453/* It would be more fashionable to use Strtol() to define atol()
5454 * (as is done for Atoul(), see below) but for backward compatibility
5455 * we just assume atol(). */
76b882ba 5456# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 5457# ifdef WIN64
5458# define atoll _atoi64 /* secret handshake */
5459# endif
76b882ba
JH		 5460# define Atol atoll
5461# else
5462# define Atol atol
5463# endif
cf2093f6
JH		 5464#endif
5465
55eb892c 5466#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5467# ifdef __hpux
5468# define strtoull __strtoull /* secret handshake */
5469# endif
c623ac67
GS		 5470# ifdef WIN64
5471# define strtoull _strtoui64 /* secret handshake */
5472# endif
ad551343 5473# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5474# define Strtoul strtoull
15b99d39 5475# endif
079290de
GS		 5476# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5477# define Strtoul strtouq
5478# endif
76d49b1c 5479/* is there atouq() anywhere? */
ad551343 5480#endif
079290de
GS		 5481#if !defined(Strtoul) && defined(HAS_STRTOUL)
5482# define Strtoul strtoul
cf2093f6 5483#endif
a5523c5b
JH		 5484#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5485# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5486#endif
079290de 5487#ifndef Atoul
d4c19fe8 5488# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5489#endif
cf2093f6 5490
760ac839 5491
06d86050
GS		 5492/* if these never got defined, they need defaults */
5493#ifndef PERL_SET_CONTEXT
5494# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5495#endif
5496
5497#ifndef PERL_GET_CONTEXT
5498# define PERL_GET_CONTEXT PERL_GET_INTERP
5499#endif
5500
5501#ifndef PERL_GET_THX
5502# define PERL_GET_THX ((void*)NULL)
5503#endif
5504
5505#ifndef PERL_SET_THX
5506# define PERL_SET_THX(t) NOOP
5507#endif
5508
a868473f
NIS		 5509#ifndef PERL_SCRIPT_MODE
5510#define PERL_SCRIPT_MODE "r"
5511#endif
5512
fba3b22e 5513/*
da927450
JH		 5514 * Some operating systems are stingy with stack allocation,
5515 * so perl may have to guard against stack overflow.
5516 */
5517#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5518#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5519#endif
5520
5521/*
5522 * Some nonpreemptive operating systems find it convenient to
5523 * check for asynchronous conditions after each op execution.
5524 * Keep this check simple, or it may slow down execution
5525 * massively.
5526 */
ce08f86c 5527
1d615522 5528#ifndef PERL_MICRO
4ffa73a3
JH		 5529# ifndef PERL_ASYNC_CHECK
5530# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
5531# endif
ce08f86c
NIS		 5532#endif
5533
da927450 5534#ifndef PERL_ASYNC_CHECK
1d615522 5535# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5536#endif
5537
5538/*
5539 * On some operating systems, a memory allocation may succeed,
5540 * but put the process too close to the system's comfort limit.
5541 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5542 * it to NULL.
5543 */
5544#ifndef PERL_ALLOC_CHECK
c2af87cb 5545#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5546#endif
5547
bd89102f
AD		 5548#ifdef HAS_SEM
5549# include <sys/ipc.h>
5550# include <sys/sem.h>
5551# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5552 union semun {
dbba660d
TC		 5553 int val;
5554 struct semid_ds *buf;
5555 unsigned short *array;
bd89102f
AD		 5556 };
5557# endif
5558# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5559# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5560 union gccbug_semun {
5561 int val;
5562 struct semid_ds *buf;
5563 unsigned short *array;
5564 char __dummy[5];
5565 };
5566# define semun gccbug_semun
5567# endif
bd89102f
AD		 5568# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5569# else
5570# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5571# ifdef EXTRA_F_IN_SEMUN_BUF
5572# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5573# else
5574# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5575# endif
bd89102f
AD		 5576# endif
5577# endif
bd89102f 5578#endif
49f531da 5579
89ca4ac7
JH		 5580/*
5581 * Boilerplate macros for initializing and accessing interpreter-local
5582 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 5583 * this, if you want to make the extension thread-safe. See
5584 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5585 * and perlxs.pod for more.
89ca4ac7
JH		 5586 *
5587 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5588 * 1. #define MY_CXT_KEY to a unique string, e.g.
5589 * "DynaLoader::_guts" XS_VERSION
f16dd614 5590 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5591 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5592 * all the data that needs to be interpreter-local.
5593 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5594 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5595 * (typically put in the BOOT: section).
5596 * 5. Use the members of the my_cxt_t structure everywhere as
5597 * MY_CXT.member.
5598 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5599 * access MY_CXT.
5600 */
5601
fc958cd2 5602#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 5603
53d44271
JH		 5604#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5605
5606/* This must appear in all extensions that define a my_cxt_t structure,
5607 * right after the definition (i.e. at file scope). The non-threads
5608 * case below uses it to declare the data as static. */
5609#define START_MY_CXT
5610#define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5611
5612/* Creates and zeroes the per-interpreter data.
5613 * (We allocate my_cxtp in a Perl SV so that it will be released when
5614 * the interpreter goes away.) */
5615#define MY_CXT_INIT \
5616 my_cxt_t *my_cxtp = \
5617 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_KEY, sizeof(my_cxt_t))
5618#define MY_CXT_INIT_INTERP(my_perl) \
5619 my_cxt_t *my_cxtp = \
5620 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_KEY, sizeof(my_cxt_t))
5621
5622/* This declaration should be used within all functions that use the
5623 * interpreter-local data. */
5624#define dMY_CXT \
5625 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
5626#define dMY_CXT_INTERP(my_perl) \
5627 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5628
5629/* Clones the per-interpreter data. */
5630#define MY_CXT_CLONE \
5631 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5632 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5633 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5634
5635#else /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
5636
89ca4ac7
JH		 5637/* This must appear in all extensions that define a my_cxt_t structure,
5638 * right after the definition (i.e. at file scope). The non-threads
5639 * case below uses it to declare the data as static. */
f16dd614 5640#define START_MY_CXT static int my_cxt_index = -1;
89ca4ac7
JH		 5641
5642/* This declaration should be used within all functions that use the
5643 * interpreter-local data. */
5644#define dMY_CXT \
f16dd614
DM		 5645 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[my_cxt_index]
5646#define dMY_CXT_INTERP(my_perl) \
5647 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[my_cxt_index]
89ca4ac7
JH		 5648
5649/* Creates and zeroes the per-interpreter data.
5650 * (We allocate my_cxtp in a Perl SV so that it will be released when
5651 * the interpreter goes away.) */
5652#define MY_CXT_INIT \
f16dd614
DM		 5653 my_cxt_t *my_cxtp = \
5654 (my_cxt_t*)Perl_my_cxt_init(aTHX_ &my_cxt_index, sizeof(my_cxt_t))
5655#define MY_CXT_INIT_INTERP(my_perl) \
5656 my_cxt_t *my_cxtp = \
5657 (my_cxt_t*)Perl_my_cxt_init(my_perl, &my_cxt_index, sizeof(my_cxt_t))
89ca4ac7 5658
8fba5d14
MHM		 5659/* Clones the per-interpreter data. */
5660#define MY_CXT_CLONE \
8fba5d14 5661 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
f16dd614
DM		 5662 Copy(PL_my_cxt_list[my_cxt_index], my_cxtp, 1, my_cxt_t);\
5663 PL_my_cxt_list[my_cxt_index] = my_cxtp \
8fba5d14 5664
53d44271
JH		 5665#endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
5666
89ca4ac7
JH		 5667/* This macro must be used to access members of the my_cxt_t structure.
5668 * e.g. MYCXT.some_data */
5669#define MY_CXT (*my_cxtp)
5670
5671/* Judicious use of these macros can reduce the number of times dMY_CXT
5672 * is used. Use is similar to pTHX, aTHX etc. */
5673#define pMY_CXT my_cxt_t *my_cxtp
5674#define pMY_CXT_ pMY_CXT,
5675#define _pMY_CXT ,pMY_CXT
5676#define aMY_CXT my_cxtp
5677#define aMY_CXT_ aMY_CXT,
5678#define _aMY_CXT ,aMY_CXT
5679
f16dd614 5680#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7
JH		 5681
5682#define START_MY_CXT static my_cxt_t my_cxt;
5683#define dMY_CXT_SV dNOOP
5684#define dMY_CXT dNOOP
9568a123 5685#define dMY_CXT_INTERP(my_perl) dNOOP
89ca4ac7 5686#define MY_CXT_INIT NOOP
8fba5d14 5687#define MY_CXT_CLONE NOOP
89ca4ac7
JH		 5688#define MY_CXT my_cxt
5689
5690#define pMY_CXT void
5691#define pMY_CXT_
5692#define _pMY_CXT
5693#define aMY_CXT
5694#define aMY_CXT_
5695#define _aMY_CXT
5696
f16dd614 5697#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5698
9a34ef1d
GS		 5699#ifdef I_FCNTL
5700# include <fcntl.h>
9a34ef1d
GS		 5701#endif
5702
9cffb111
OS		 5703#ifdef __Lynx__
5704# include <fcntl.h>
5705#endif
5706
9a34ef1d
GS		 5707#ifdef I_SYS_FILE
5708# include <sys/file.h>
5709#endif
5710
fa0a29af 5711#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5712int flock(int fd, int op);
5713#endif
5714
fe52b3b7
GS		 5715#ifndef O_RDONLY
5716/* Assume UNIX defaults */
5717# define O_RDONLY 0000
5718# define O_WRONLY 0001
5719# define O_RDWR 0002
5720# define O_CREAT 0100
5721#endif
9a34ef1d 5722
16fe6d59
GS		 5723#ifndef O_BINARY
5724# define O_BINARY 0
5725#endif
5726
5727#ifndef O_TEXT
5728# define O_TEXT 0
5729#endif
5730
6ce75a77
JH		 5731#if O_TEXT != O_BINARY
5732 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5733 * that is, you are somehow DOSish. */
df00ff3b
IW		 5734# if defined(__BEOS__) || defined(__HAIKU__) || defined(__VOS__) || \
5735 defined(__CYGWIN__)
5736 /* BeOS/Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5737 * BeOS/Haiku is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5738 /* VOS has O_TEXT != O_BINARY, and they have effect,
5739 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5740 /* If you have O_TEXT different from your O_BINARY but you still are
5741 * not a CRLF shop. */
35990314 5742# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5743# else
5744 /* If you really are DOSish. */
5745# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5746# endif
5747#endif
5748
104d25b7
JH		 5749#ifdef IAMSUID
5750
5751#ifdef I_SYS_STATVFS
9f982a77
IG		 5752# if defined(PERL_SCO) && !defined(_SVID3)
5753# define _SVID3
5754# endif
32b3cf08
JH		 5755# include <sys/statvfs.h> /* for f?statvfs() */
5756#endif
5757#ifdef I_SYS_MOUNT
5758# include <sys/mount.h> /* for *BSD f?statfs() */
5759#endif
5760#ifdef I_MNTENT
5761# include <mntent.h> /* for getmntent() */
104d25b7 5762#endif
0545a864
JH		 5763#ifdef I_SYS_STATFS
5764# include <sys/statfs.h> /* for some statfs() */
5765#endif
5766#ifdef I_SYS_VFS
8d9e1a19
GS		 5767# ifdef __sgi
5768# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
5769# endif
5770# include <sys/vfs.h> /* for some statfs() */
5771# ifdef __sgi
5772# undef IRIX_sv
5773# endif
0545a864
JH		 5774#endif
5775#ifdef I_USTAT
5776# include <ustat.h> /* for ustat() */
5777#endif
5778
5779#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
5780# define PERL_MOUNT_NOSUID MOUNT_NOSUID
5781#endif
5782#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
5783# define PERL_MOUNT_NOSUID MNT_NOSUID
5784#endif
5785#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
5786# define PERL_MOUNT_NOSUID MS_NOSUID
5787#endif
5788#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
5789# define PERL_MOUNT_NOSUID M_NOSUID
5790#endif
104d25b7 5791
ae3f3efd
PS		 5792#if !defined(PERL_MOUNT_NOEXEC) && defined(MOUNT_NOEXEC)
5793# define PERL_MOUNT_NOEXEC MOUNT_NOEXEC
5794#endif
5795#if !defined(PERL_MOUNT_NOEXEC) && defined(MNT_NOEXEC)
5796# define PERL_MOUNT_NOEXEC MNT_NOEXEC
5797#endif
5798#if !defined(PERL_MOUNT_NOEXEC) && defined(MS_NOEXEC)
5799# define PERL_MOUNT_NOEXEC MS_NOEXEC
5800#endif
5801#if !defined(PERL_MOUNT_NOEXEC) && defined(M_NOEXEC)
5802# define PERL_MOUNT_NOEXEC M_NOEXEC
5803#endif
5804
104d25b7
JH		 5805#endif /* IAMSUID */
5806
4bc88a62
PS		 5807#ifdef I_LIBUTIL
5808# include <libutil.h> /* setproctitle() in some FreeBSDs */
5809#endif
5810
b4748376 5811#ifndef EXEC_ARGV_CAST
360ea906 5812#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 5813#endif
5814
dd5dc04f
JH		 5815#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5816 int). value returned in pointed-
5817 to UV */
5818#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5819#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5820#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5821#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5822#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5823
5824#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5825
53305cf1
NC		 5826/* Input flags: */
5827#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5828#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5829#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 5830/* Output flags: */
5831#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5832
2c4f7f0e
DM		 5833/* to let user control profiling */
5834#ifdef PERL_GPROF_CONTROL
5835extern void moncontrol(int);
5836#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5837#else
5838#define PERL_GPROF_MONCONTROL(x)
5839#endif
5840
ae0e3d3b
JH		 5841#ifdef UNDER_CE
5842#include "wince.h"
5843#endif
5844
5845/* ISO 6429 NEL - C1 control NExt Line */
5846/* See http://www.unicode.org/unicode/reports/tr13/ */
5847#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
5848# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
5849# define NEXT_LINE_CHAR 0x15
5850# else /* CDRA */
5851# define NEXT_LINE_CHAR 0x25
5852# endif
5853#else
5854# define NEXT_LINE_CHAR 0x85
5855#endif
5856
5857/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5858#define UNICODE_LINE_SEPA_0 0xE2
5859#define UNICODE_LINE_SEPA_1 0x80
5860#define UNICODE_LINE_SEPA_2 0xA8
5861#define UNICODE_PARA_SEPA_0 0xE2
5862#define UNICODE_PARA_SEPA_1 0x80
5863#define UNICODE_PARA_SEPA_2 0xA9
5864
479b2847
GS		 5865#ifndef PIPESOCK_MODE
5866# define PIPESOCK_MODE
5867#endif
5868
460c8493
IZ		 5869#ifndef SOCKET_OPEN_MODE
5870# define SOCKET_OPEN_MODE PIPESOCK_MODE
5871#endif
5872
5873#ifndef PIPE_OPEN_MODE
5874# define PIPE_OPEN_MODE PIPESOCK_MODE
5875#endif
5876
7e8c5dac
HS		 5877#define PERL_MAGIC_UTF8_CACHESIZE 2
5878
a05d7ebb
JH		 5879#define PERL_UNICODE_STDIN_FLAG 0x0001
5880#define PERL_UNICODE_STDOUT_FLAG 0x0002
5881#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5882#define PERL_UNICODE_IN_FLAG 0x0008
5883#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5884#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5885#define PERL_UNICODE_LOCALE_FLAG 0x0040
5886#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 5887#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 5888
06e66572
JH		 5889#define PERL_UNICODE_STD_FLAG \
5890 (PERL_UNICODE_STDIN_FLAG | \
5891 PERL_UNICODE_STDOUT_FLAG | \
5892 PERL_UNICODE_STDERR_FLAG)
5893
5894#define PERL_UNICODE_INOUT_FLAG \
5895 (PERL_UNICODE_IN_FLAG | \
5896 PERL_UNICODE_OUT_FLAG)
5897
5898#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5899 (PERL_UNICODE_STD_FLAG | \
5900 PERL_UNICODE_INOUT_FLAG | \
5901 PERL_UNICODE_LOCALE_FLAG)
5902
5a22a2bb 5903#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 5904
5905#define PERL_UNICODE_STDIN 'I'
5906#define PERL_UNICODE_STDOUT 'O'
5907#define PERL_UNICODE_STDERR 'E'
5908#define PERL_UNICODE_STD 'S'
5909#define PERL_UNICODE_IN 'i'
5910#define PERL_UNICODE_OUT 'o'
5911#define PERL_UNICODE_INOUT 'D'
5912#define PERL_UNICODE_ARGV 'A'
5913#define PERL_UNICODE_LOCALE 'L'
5914#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 5915#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 5916
4ffa73a3
JH		 5917#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5918
16bd9a85
JH		 5919/* From sigaction(2) (FreeBSD man page):
5920 * | Signal routines normally execute with the signal that
5921 * | caused their invocation blocked, but other signals may
5922 * | yet occur.
5923 * Emulation of this behavior (from within Perl) is enabled
5924 * by defining PERL_BLOCK_SIGNALS.
5925 */
5926#define PERL_BLOCK_SIGNALS
5927
5928#if defined(HAS_SIGPROCMASK) && defined(PERL_BLOCK_SIGNALS)
5929# define PERL_BLOCKSIG_ADD(set,sig) \
5930 sigset_t set; sigemptyset(&(set)); sigaddset(&(set), sig)
5931# define PERL_BLOCKSIG_BLOCK(set) \
5932 sigprocmask(SIG_BLOCK, &(set), NULL)
5933# define PERL_BLOCKSIG_UNBLOCK(set) \
5934 sigprocmask(SIG_UNBLOCK, &(set), NULL)
5935#endif /* HAS_SIGPROCMASK && PERL_BLOCK_SIGNALS */
5936
5937/* How about the old style of sigblock()? */
5938
5939#ifndef PERL_BLOCKSIG_ADD
5940# define PERL_BLOCKSIG_ADD(set, sig) NOOP
5941#endif
5942#ifndef PERL_BLOCKSIG_BLOCK
5943# define PERL_BLOCKSIG_BLOCK(set) NOOP
5944#endif
2bfba5f0 5945#ifndef PERL_BLOCKSIG_UNBLOCK
16bd9a85
JH		 5946# define PERL_BLOCKSIG_UNBLOCK(set) NOOP
5947#endif
5948
32fdb065 5949/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5950 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5951#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5952
3c0f78ca
JH		 5953#if defined(__DECC) && defined(__osf__)
5954#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 5955#endif
5956
e4dba786
NC		 5957#define do_open(g, n, l, a, rm, rp, sf) \
5958 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 5959#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 5960# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 5961#endif
15871fce
NC		 5962#ifdef OS2
5963# define do_aexec Perl_do_aexec
5964#else
5965# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 5966#endif
e4dba786 5967
2f3efc97
JH		 5968#if defined(OEMVS)
5969#define NO_ENV_ARRAY_IN_MAIN
5970#endif
5971
10edeb5d
JH		 5972/* These are used by Perl_pv_escape() and Perl_pv_pretty()
5973 * are here so that they are available throughout the core
5974 * NOTE that even though some are for _escape and some for _pretty
5975 * there must not be any clashes as the flags from _pretty are
5976 * passed straight through to _escape.
5977 */
5978
5979#define PERL_PV_ESCAPE_QUOTE 0x0001
5980#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
5981
95b611b0 5982#define PERL_PV_PRETTY_ELLIPSES 0x0002
10edeb5d
JH		 5983#define PERL_PV_PRETTY_LTGT 0x0004
5984
5985#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
5986
5987#define PERL_PV_ESCAPE_UNI 0x0100
5988#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
5989
5990#define PERL_PV_ESCAPE_ALL 0x1000
5991#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
5992#define PERL_PV_ESCAPE_NOCLEAR 0x4000
44a2ac75 5993#define PERL_PV_ESCAPE_RE 0x8000
10edeb5d 5994
881a015e
NC		 5995#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
5996
10edeb5d 5997/* used by pv_display in dump.c*/
95b611b0
RGS		 5998#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
5999#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE
10edeb5d
JH		 6000
6001/*
6002
6003 (KEEP THIS LAST IN perl.h!)
6004
6005 Mention
d460ef45 6006
43999f95 6007 NV_PRESERVES_UV
fe749a9f 6008
fe749a9f
JH		 6009 HAS_MKSTEMP
6010 HAS_MKSTEMPS
6011 HAS_MKDTEMP
6012
49dabb45
JH		 6013 HAS_GETCWD
6014
d59b5429 6015 HAS_MMAP
fe749a9f
JH		 6016 HAS_MPROTECT
6017 HAS_MSYNC
1e8c3fde 6018 HAS_MADVISE
fe749a9f
JH		 6019 HAS_MUNMAP
6020 I_SYSMMAN
6021 Mmap_t
6022
6b4667fc
A		 6023 NVef
6024 NVff
6025 NVgf
6026
4e0554ec 6027 HAS_UALARM
2d736872 6028 HAS_USLEEP
4e0554ec
JH		 6029
6030 HAS_SETITIMER
6031 HAS_GETITIMER
6032
6033 HAS_SENDMSG
6034 HAS_RECVMSG
6035 HAS_READV
6036 HAS_WRITEV
6037 I_SYSUIO
6038 HAS_STRUCT_MSGHDR
6039 HAS_STRUCT_CMSGHDR
6040
2765b840 6041 HAS_NL_LANGINFO
0a7020c9 6042
ae0e3d3b 6043 HAS_DIRFD
2765b840 6044
10edeb5d 6045 so that Configure picks them up.
ab3bbdeb 6046
10edeb5d 6047 (KEEP THIS LAST IN perl.h!)
3df15adc 6048
10edeb5d 6049*/
3df15adc 6050
85e6fe83 6051#endif /* Include guard */
e9a8c099 6052
ab69dbc2 6053#define CLEAR_ERRSV() STMT_START { sv_setpvn(ERRSV,"",0); if (SvMAGICAL(ERRSV)) { mg_free(ERRSV); } SvPOK_only(ERRSV); } STMT_END
8433848b 6054
e9a8c099
MHM		 6055/*
6056 * Local variables:
6057 * c-indentation-style: bsd
6058 * c-basic-offset: 4
6059 * indent-tabs-mode: t
6060 * End:
6061 *
6062 * ex: set ts=8 sts=4 sw=4 noet:
6063 */
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