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Make time64.c's internal copy function names more readable and VMS-friendly.
[perl5.git] / perl.h
CommitLineData
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