This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
CV-based slab allocation for ops
[perl5.git] / perl.h
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
1129b882 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
5cd3f21a 4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by Larry Wall and others
a687059c 5 *
352d5a3a
LW
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW
11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW
14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW
21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH
25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB
29#ifdef VOIDUSED
30# undef VOIDUSED
00f254e2 31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH
35# include "uconfig.h"
36#else
b0f06652
VK
37# ifndef USE_CROSS_COMPILE
38# include "config.h"
39# else
40# include "xconfig.h"
41# endif
12ae5dfc 42#endif
0cb96387 43
2c2d71f5
JH
44/* See L<perlguts/"The Perl API"> for detailed notes on
45 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
46
ac6bedea
JH
47/* Note that from here --> to <-- the same logic is
48 * repeated in makedef.pl, so be certain to update
49 * both places when editing. */
50
894ccb8c
JH
51#ifdef PERL_IMPLICIT_SYS
52/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
53 so use slab allocator to avoid lots of MUTEX overhead
54 */
55# ifndef PL_OP_SLAB_ALLOC
56# define PL_OP_SLAB_ALLOC
57# endif
ba979b31
NIS
58#endif
59
6f4183fe 60#ifdef USE_ITHREADS
acfe0abc 61# if !defined(MULTIPLICITY)
6f4183fe
GS
62# define MULTIPLICITY
63# endif
64#endif
65
27da23d5
JH
66#ifdef PERL_GLOBAL_STRUCT_PRIVATE
67# ifndef PERL_GLOBAL_STRUCT
68# define PERL_GLOBAL_STRUCT
69# endif
70#endif
97aff369 71
27da23d5
JH
72#ifdef PERL_GLOBAL_STRUCT
73# ifndef MULTIPLICITY
74# define MULTIPLICITY
75# endif
76#endif
77
97aff369
JH
78#ifdef MULTIPLICITY
79# ifndef PERL_IMPLICIT_CONTEXT
80# define PERL_IMPLICIT_CONTEXT
81# endif
82#endif
83
026fd48b
GH
84/* undef WIN32 when building on Cygwin (for libwin32) - gph */
85#ifdef __CYGWIN__
86# undef WIN32
87# undef _WIN32
88#endif
89
27da23d5
JH
90#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
91# ifndef SYMBIAN
92# define SYMBIAN
93# endif
94#endif
95
a0fd4948 96#ifdef __SYMBIAN32__
27da23d5
JH
97# include "symbian/symbian_proto.h"
98#endif
99
100/* Any stack-challenged places. The limit varies (and often
101 * is configurable), but using more than a kilobyte of stack
102 * is usually dubious in these systems. */
a0fd4948 103#if defined(EPOC) || defined(__SYMBIAN32__)
27da23d5
JH
104/* EPOC/Symbian: need to work around the SDK features. *
105 * On WINS: MS VC5 generates calls to _chkstk, *
106 * if a "large" stack frame is allocated. *
107 * gcc on MARM does not generate calls like these. */
108# define USE_HEAP_INSTEAD_OF_STACK
109#endif
110
111#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 112/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 113#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH
114# define USE_REENTRANT_API
115#endif
116
ac6bedea
JH
117/* <--- here ends the logic shared by perl.h and makedef.pl */
118
af28e889 119/*
6239f2da
JH
120 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
121 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH
122 * __bsdi__ for BSD/OS
123 */
6239f2da 124#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH
125# ifndef BSDish
126# define BSDish
127# endif
128#endif
129
cf5a8da6
MHM
130#undef START_EXTERN_C
131#undef END_EXTERN_C
132#undef EXTERN_C
133#ifdef __cplusplus
134# define START_EXTERN_C extern "C" {
135# define END_EXTERN_C }
136# define EXTERN_C extern "C"
137#else
138# define START_EXTERN_C
139# define END_EXTERN_C
140# define EXTERN_C extern
141#endif
142
17a6c8e3
AD
143/* Fallback definitions in case we don't have definitions from config.h.
144 This should only matter for systems that don't use Configure and
145 haven't been modified to define PERL_STATIC_INLINE yet.
146*/
147#if !defined(PERL_STATIC_INLINE)
148# ifdef HAS_STATIC_INLINE
149# define PERL_STATIC_INLINE static inline
150# else
151# define PERL_STATIC_INLINE static
152# endif
153#endif
154
27da23d5
JH
155#ifdef PERL_GLOBAL_STRUCT
156# ifndef PERL_GET_VARS
157# ifdef PERL_GLOBAL_STRUCT_PRIVATE
cf5a8da6 158 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
27da23d5
JH
159# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
160# ifndef PERLIO_FUNCS_CONST
161# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
162# endif
163# else
164# define PERL_GET_VARS() PL_VarsPtr
165# endif
166# endif
167#endif
168
7a89be66 169#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH
170
171#ifdef PERL_GLOBAL_STRUCT
172# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
173#else
174# define dVAR dNOOP
175#endif
176
c5be433b 177#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB
178# ifndef MULTIPLICITY
179# define MULTIPLICITY
c5be433b 180# endif
e8dda941 181# define tTHX PerlInterpreter*
5ba4cab2 182# define pTHX register tTHX my_perl PERL_UNUSED_DECL
3db8f154 183# define aTHX my_perl
27da23d5 184# ifdef PERL_GLOBAL_STRUCT
e8dda941 185# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 186# else
e8dda941 187# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH
188# endif
189# ifdef PERL_GLOBAL_STRUCT
190# define dTHX dVAR; pTHX = PERL_GET_THX
191# else
192# define dTHX pTHX = PERL_GET_THX
193# endif
c5be433b 194# define pTHX_ pTHX,
c5be433b 195# define aTHX_ aTHX,
4373e329 196# define pTHX_1 2
894356b3
GS
197# define pTHX_2 3
198# define pTHX_3 4
199# define pTHX_4 5
4373e329
AL
200# define pTHX_5 6
201# define pTHX_6 7
a3b680e6
AL
202# define pTHX_7 8
203# define pTHX_8 9
204# define pTHX_9 10
e8dda941
JD
205# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
206# define PERL_TRACK_MEMPOOL
207# endif
208#else
209# undef PERL_TRACK_MEMPOOL
c5be433b
GS
210#endif
211
76e3520e 212#define STATIC static
16c91539
BM
213
214#ifndef PERL_CORE
215/* Do not use these macros. They were part of PERL_OBJECT, which was an
216 * implementation of multiplicity using C++ objects. They have been left
217 * here solely for the sake of XS code which has incorrectly
218 * cargo-culted them.
219 */
76e3520e 220#define CPERLscope(x) x
565764a8 221#define CPERLarg void
76e3520e 222#define CPERLarg_
e3b8966e 223#define _CPERLarg
1d583055
GS
224#define PERL_OBJECT_THIS
225#define _PERL_OBJECT_THIS
226#define PERL_OBJECT_THIS_
312caa8e 227#define CALL_FPTR(fptr) (*fptr)
ef69c8fc 228#define MEMBER_TO_FPTR(name) name
16c91539 229#endif /* !PERL_CORE */
76e3520e 230
16c91539 231#define CALLRUNOPS PL_runops
f9f4320a 232
3ab4a224 233#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 234
16c91539 235#define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
f9f4320a 236#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
16c91539 237 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
f9f4320a
YO
238 (strbeg),(minend),(screamer),(data),(flags))
239#define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \
16c91539 240 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strpos), \
f9f4320a
YO
241 (strend),(flags),(data))
242#define CALLREG_INTUIT_STRING(prog) \
16c91539 243 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
f8149455 244
f8149455
YO
245#define CALLREGFREE(prog) \
246 Perl_pregfree(aTHX_ (prog))
247
248#define CALLREGFREE_PVT(prog) \
16c91539 249 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
f8149455 250
2fdbfb4d 251#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
16c91539 252 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
93b32b6d 253
2fdbfb4d 254#define CALLREG_NUMBUF_STORE(rx,paren,value) \
16c91539 255 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
2fdbfb4d
AB
256
257#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
16c91539 258 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
2fdbfb4d 259
192b9cd1 260#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
16c91539 261 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
192b9cd1
AB
262
263#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
16c91539 264 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
192b9cd1
AB
265
266#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
16c91539 267 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB
268
269#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
16c91539 270 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB
271
272#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
16c91539 273 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB
274
275#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
16c91539 276 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB
277
278#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
16c91539 279 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB
280
281#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
16c91539 282 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
AB
283
284#define CALLREG_NAMED_BUFF_COUNT(rx) \
16c91539 285 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
192b9cd1
AB
286
287#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
16c91539 288 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 289
49d7dfbc 290#define CALLREG_PACKAGE(rx) \
16c91539 291 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
93b32b6d 292
00f254e2 293#if defined(USE_ITHREADS)
f9f4320a 294#define CALLREGDUPE(prog,param) \
f8149455
YO
295 Perl_re_dup(aTHX_ (prog),(param))
296
297#define CALLREGDUPE_PVT(prog,param) \
16c91539 298 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
00f254e2 299 : (REGEXP *)NULL)
f9f4320a 300#endif
14dd3ad8 301
a20207d7 302
bcdf7404 303
a20207d7
YO
304
305
5ba4cab2
SH
306/*
307 * Because of backward compatibility reasons the PERL_UNUSED_DECL
308 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
309 *
310 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 311 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH
312 * marking unused variables (they need e.g. a #pragma) and therefore
313 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
314 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
315 *
316 */
1266ad8c 317
9969cdde 318#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 319# ifdef __cplusplus
5ba4cab2 320# define PERL_UNUSED_DECL
5b2bd0a5 321# else
5ba4cab2 322# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS
323# endif
324#endif
44dbb695 325
5b2bd0a5 326#ifndef PERL_UNUSED_DECL
34659ad4 327# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 328# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 329# else
5ba4cab2 330# define PERL_UNUSED_DECL
b79c357a 331# endif
5b2bd0a5 332#endif
00f254e2 333
349b520e
DM
334/* gcc -Wall:
335 * for silencing unused variables that are actually used most of the time,
a0288114 336 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 337 */
53c1dcc0 338#ifndef PERL_UNUSED_ARG
c99ffe5e 339# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 340# include <note.h>
53c1dcc0 341# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 342# else
53c1dcc0 343# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL
344# endif
345#endif
53c1dcc0
AL
346#ifndef PERL_UNUSED_VAR
347# define PERL_UNUSED_VAR(x) ((void)x)
348#endif
ad73156c 349
96a5add6
AL
350#ifdef USE_ITHREADS
351# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
352#else
353# define PERL_UNUSED_CONTEXT
354#endif
355
6f207bd3 356#define NOOP /*EMPTY*/(void)0
bafdc25d
NC
357/* cea2e8a9dd23747f accidentally lost the comment originally from the first
358 check in of thread.h, explaining why we need dNOOP at all: */
359/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
360/* Declaring a *function*, instead of a variable, ensures that we don't rely
361 on being able to suppress "unused" warnings. */
7db66e12
CB
362#ifdef __cplusplus
363#define dNOOP (void)0
364#else
64a8239e 365#define dNOOP extern int Perl___notused(void)
7db66e12 366#endif
71be2cbc 367
0cb96387 368#ifndef pTHX
e8dda941
JD
369/* Don't bother defining tTHX and sTHX; using them outside
370 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
371 */
0cb96387
GS
372# define pTHX void
373# define pTHX_
0cb96387
GS
374# define aTHX
375# define aTHX_
0cb96387
GS
376# define dTHXa(a) dNOOP
377# define dTHX dNOOP
894356b3
GS
378# define pTHX_1 1
379# define pTHX_2 2
380# define pTHX_3 3
381# define pTHX_4 4
3d42dc86
RGS
382# define pTHX_5 5
383# define pTHX_6 6
a3b680e6
AL
384# define pTHX_7 7
385# define pTHX_8 8
386# define pTHX_9 9
0cb96387
GS
387#endif
388
27da23d5
JH
389#ifndef dVAR
390# define dVAR dNOOP
391#endif
392
b4f7f263
GS
393/* these are only defined for compatibility; should not be used internally */
394#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS
395# define pTHXo pTHX
396# define pTHXo_ pTHX_
0cb96387
GS
397# define aTHXo aTHX
398# define aTHXo_ aTHX_
c5be433b 399# define dTHXo dTHX
71d280e3 400# define dTHXoa(x) dTHXa(x)
0cb96387
GS
401#endif
402
403#ifndef pTHXx
404# define pTHXx register PerlInterpreter *my_perl
405# define pTHXx_ pTHXx,
0cb96387
GS
406# define aTHXx my_perl
407# define aTHXx_ aTHXx,
c5be433b 408# define dTHXx dTHX
22c35a8c 409#endif
71be2cbc 410
1de7c2ac
GS
411/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
412 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
413 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
414#ifdef PERL_IMPLICIT_SYS
27da23d5
JH
415# ifdef PERL_GLOBAL_STRUCT_PRIVATE
416# define dTHXs dVAR; dTHX
417# else
418# define dTHXs dTHX
419# endif
1de7c2ac 420#else
27da23d5
JH
421# ifdef PERL_GLOBAL_STRUCT_PRIVATE
422# define dTHXs dVAR
423# else
424# define dTHXs dNOOP
425# endif
1de7c2ac
GS
426#endif
427
27da23d5
JH
428/* Some platforms require marking function declarations
429 * for them to be exportable. Used in perlio.h, proto.h
430 * is handled either by the makedef.pl or by defining the
431 * PERL_CALLCONV to be something special. See also the
432 * definition of XS() in XSUB.h. */
433#ifndef PERL_EXPORT_C
a0c21aa1
JH
434# ifdef __cplusplus
435# define PERL_EXPORT_C extern "C"
436# else
437# define PERL_EXPORT_C extern
438# endif
27da23d5
JH
439#endif
440#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH
441# ifdef __cplusplus
442# define PERL_XS_EXPORT_C extern "C"
443# else
444# define PERL_XS_EXPORT_C
445# endif
27da23d5
JH
446#endif
447
462e5cf6
MB
448#ifdef OP_IN_REGISTER
449# ifdef __GNUC__
450# define stringify_immed(s) #s
451# define stringify(s) stringify_immed(s)
d1ca3daa 452register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB
453# endif
454#endif
455
e5afc1ae 456/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 457 * g++ allows them but seems to have problems with them
70aab261
RB
458 * (insane errors ensue).
459 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
460 */
461#if defined(PERL_GCC_PEDANTIC) || \
462 (defined(__GNUC__) && defined(__cplusplus) && \
463 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 464# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS
465# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
466# endif
5dc8bdac
JH
467#endif
468
5b692037
JH
469#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
470# ifndef PERL_USE_GCC_BRACE_GROUPS
471# define PERL_USE_GCC_BRACE_GROUPS
472# endif
473#endif
474
728e2803
PP
475/*
476 * STMT_START { statements; } STMT_END;
477 * can be used as a single statement, as in
478 * if (x) STMT_START { ... } STMT_END; else ...
479 *
480 * Trying to select a version that gives no warnings...
481 */
482#if !(defined(STMT_START) && defined(STMT_END))
5b692037 483# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 484# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803
PP
485# define STMT_END )
486# else
487 /* Now which other defined()s do we need here ??? */
93189314 488# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803
PP
489# define STMT_START if (1)
490# define STMT_END else (void)0
491# else
492# define STMT_START do
493# define STMT_END while (0)
494# endif
495# endif
496#endif
497
d6f9c181
JH
498#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
499# define BYTEORDER 0x1234
79072805
LW
500#endif
501
502/* Overall memory policy? */
503#ifndef CONSERVATIVE
504# define LIBERAL 1
505#endif
506
8ada0baa
JH
507#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
508#define ASCIIish
509#else
510#undef ASCIIish
511#endif
512
79072805
LW
513/*
514 * The following contortions are brought to you on behalf of all the
515 * standards, semi-standards, de facto standards, not-so-de-facto standards
516 * of the world, as well as all the other botches anyone ever thought of.
517 * The basic theory is that if we work hard enough here, the rest of the
518 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
519 */
ac58e20f 520
ee0007ab 521/* define this once if either system, instead of cluttering up the src */
2986a63f 522#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW
523#define DOSISH 1
524#endif
525
fb38d079 526#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW
527# define STANDARD_C 1
528#endif
529
9969cdde 530#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745
PP
531# define DONT_DECLARE_STD 1
532#endif
533
352d5a3a 534#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 535# define VOL volatile
663a0e37 536#else
79072805 537# define VOL
663a0e37
LW
538#endif
539
3280af22
NIS
540#define TAINT (PL_tainted = TRUE)
541#define TAINT_NOT (PL_tainted = FALSE)
542#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
543#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 544#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 545
20be6587
DM
546/* flags used internally only within pp_subst and pp_substcont */
547#ifdef PERL_CORE
548# define SUBST_TAINT_STR 1 /* string tainted */
549# define SUBST_TAINT_PAT 2 /* pattern tainted */
550# define SUBST_TAINT_REPL 4 /* replacement tainted */
551# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
552# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
553#endif
554
d460ef45 555/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de
PP
556 defines move there? If so, I could simplify this a lot. --AD 9/96.
557*/
558/* Process group stuff changed from traditional BSD to POSIX.
559 perlfunc.pod documents the traditional BSD-style syntax, so we'll
560 try to preserve that, if possible.
561*/
562#ifdef HAS_SETPGID
563# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 564#else
a6e633de
PP
565# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
566# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
567# else
568# ifdef HAS_SETPGRP2 /* DG/UX */
569# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
570# endif
571# endif
572#endif
573#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
574# define HAS_SETPGRP /* Well, effectively it does . . . */
575#endif
576
577/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
578 our life easier :-) so we'll try it.
579*/
580#ifdef HAS_GETPGID
581# define BSD_GETPGRP(pid) getpgid((pid))
582#else
583# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
584# define BSD_GETPGRP(pid) getpgrp((pid))
585# else
586# ifdef HAS_GETPGRP2 /* DG/UX */
587# define BSD_GETPGRP(pid) getpgrp2((pid))
588# endif
589# endif
590#endif
591#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
592# define HAS_GETPGRP /* Well, effectively it does . . . */
593#endif
594
d460ef45 595/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
PP
596 have different behaviors, but perl.h used to define USE_BSDPGRP
597 (prior to 5.003_05) so some extension might depend on it.
598*/
599#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
600# ifndef USE_BSDPGRP
601# define USE_BSDPGRP
602# endif
663a0e37
LW
603#endif
604
486ec47a 605/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH
606 pthread.h must be included before all other header files.
607*/
3db8f154 608#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH
609# include <pthread.h>
610#endif
611
760ac839
LW
612#ifndef _TYPES_ /* If types.h defines this it's easy. */
613# ifndef major /* Does everyone's types.h define this? */
614# include <sys/types.h>
c07a80fd 615# endif
663a0e37
LW
616#endif
617
760ac839
LW
618#ifdef __cplusplus
619# ifndef I_STDARG
620# define I_STDARG 1
621# endif
622#endif
623
624#ifdef I_STDARG
625# include <stdarg.h>
626#else
627# ifdef I_VARARGS
628# include <varargs.h>
629# endif
630#endif
631
4633a7c4 632#ifdef USE_NEXT_CTYPE
0c30d9ec 633
092bebab
JH
634#if NX_CURRENT_COMPILER_RELEASE >= 500
635# include <bsd/ctypes.h>
636#else
637# if NX_CURRENT_COMPILER_RELEASE >= 400
638# include <objc/NXCType.h>
639# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
640# include <appkit/NXCType.h>
641# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
642#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec
PP
643
644#else /* !USE_NEXT_CTYPE */
fe14fcc3 645#include <ctype.h>
0c30d9ec 646#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW
647
648#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
649#undef METHOD
a0d0e21e
LW
650#endif
651
12ae5dfc
JH
652#ifdef PERL_MICRO
653# define NO_LOCALE
654#endif
655
4633a7c4 656#ifdef I_LOCALE
36477c24 657# include <locale.h>
4633a7c4
LW
658#endif
659
36477c24
PP
660#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
661# define USE_LOCALE
662# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
663 && defined(HAS_STRXFRM)
664# define USE_LOCALE_COLLATE
665# endif
666# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
667# define USE_LOCALE_CTYPE
668# endif
669# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
670# define USE_LOCALE_NUMERIC
671# endif
672#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 673
fe14fcc3 674#include <setjmp.h>
79072805 675
a0d0e21e 676#ifdef I_SYS_PARAM
79072805
LW
677# ifdef PARAM_NEEDS_TYPES
678# include <sys/types.h>
679# endif
680# include <sys/param.h>
352d5a3a 681#endif
79072805 682
79072805 683/* Use all the "standard" definitions? */
a0d0e21e 684#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 685# include <stdlib.h>
ff68c719 686#endif
03a14243 687
3f270f98
JH
688/* If this causes problems, set i_unistd=undef in the hint file. */
689#ifdef I_UNISTD
690# include <unistd.h>
691#endif
692
de8ca8af
NT
693/* for WCOREDUMP */
694#ifdef I_SYS_WAIT
695# include <sys/wait.h>
696#endif
697
9969cdde 698#ifdef __SYMBIAN32__
27da23d5
JH
699# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
700#endif
701
7114a2d2 702#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 703EXTERN_C int syscall(int, ...);
2ef53570
JH
704#endif
705
7114a2d2 706#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 707EXTERN_C int usleep(unsigned int);
2ef53570
JH
708#endif
709
9c12f1e5
RGS
710/* Funky places that do not have socket stuff. */
711#if defined(__LIBCATAMOUNT__)
712# define MYSWAP
713#endif
714
9a34ef1d
GS
715#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
716# define MYSWAP
717#endif
718
1109a392
MHM
719#ifdef PERL_CORE
720
721/* macros for correct constant construction */
722# if INTSIZE >= 2
723# define U16_CONST(x) ((U16)x##U)
724# else
725# define U16_CONST(x) ((U16)x##UL)
726# endif
727
728# if INTSIZE >= 4
729# define U32_CONST(x) ((U32)x##U)
730# else
731# define U32_CONST(x) ((U32)x##UL)
732# endif
733
734# ifdef HAS_QUAD
735# if INTSIZE >= 8
736# define U64_CONST(x) ((U64)x##U)
737# elif LONGSIZE >= 8
738# define U64_CONST(x) ((U64)x##UL)
739# elif QUADKIND == QUAD_IS_LONG_LONG
740# define U64_CONST(x) ((U64)x##ULL)
741# else /* best guess we can make */
742# define U64_CONST(x) ((U64)x##UL)
743# endif
744# endif
745
746/* byte-swapping functions for big-/little-endian conversion */
747# define _swab_16_(x) ((U16)( \
748 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
749 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
750
751# define _swab_32_(x) ((U32)( \
752 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
753 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
754 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
755 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
756
757# ifdef HAS_QUAD
758# define _swab_64_(x) ((U64)( \
759 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
760 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
761 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
762 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
763 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
764 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
765 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
766 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
767# endif
768
769/*----------------------------------------------------------------------------*/
770# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
771/*----------------------------------------------------------------------------*/
772# define my_htole16(x) (x)
773# define my_letoh16(x) (x)
774# define my_htole32(x) (x)
775# define my_letoh32(x) (x)
776# define my_htobe16(x) _swab_16_(x)
777# define my_betoh16(x) _swab_16_(x)
778# define my_htobe32(x) _swab_32_(x)
779# define my_betoh32(x) _swab_32_(x)
780# ifdef HAS_QUAD
781# define my_htole64(x) (x)
782# define my_letoh64(x) (x)
783# define my_htobe64(x) _swab_64_(x)
784# define my_betoh64(x) _swab_64_(x)
785# endif
786# define my_htoles(x) (x)
787# define my_letohs(x) (x)
788# define my_htolei(x) (x)
789# define my_letohi(x) (x)
790# define my_htolel(x) (x)
791# define my_letohl(x) (x)
792# if SHORTSIZE == 1
793# define my_htobes(x) (x)
794# define my_betohs(x) (x)
795# elif SHORTSIZE == 2
796# define my_htobes(x) _swab_16_(x)
797# define my_betohs(x) _swab_16_(x)
798# elif SHORTSIZE == 4
799# define my_htobes(x) _swab_32_(x)
800# define my_betohs(x) _swab_32_(x)
801# elif SHORTSIZE == 8
802# define my_htobes(x) _swab_64_(x)
803# define my_betohs(x) _swab_64_(x)
804# else
805# define PERL_NEED_MY_HTOBES
806# define PERL_NEED_MY_BETOHS
807# endif
808# if INTSIZE == 1
809# define my_htobei(x) (x)
810# define my_betohi(x) (x)
811# elif INTSIZE == 2
812# define my_htobei(x) _swab_16_(x)
813# define my_betohi(x) _swab_16_(x)
814# elif INTSIZE == 4
815# define my_htobei(x) _swab_32_(x)
816# define my_betohi(x) _swab_32_(x)
817# elif INTSIZE == 8
818# define my_htobei(x) _swab_64_(x)
819# define my_betohi(x) _swab_64_(x)
820# else
821# define PERL_NEED_MY_HTOBEI
822# define PERL_NEED_MY_BETOHI
823# endif
824# if LONGSIZE == 1
825# define my_htobel(x) (x)
826# define my_betohl(x) (x)
827# elif LONGSIZE == 2
828# define my_htobel(x) _swab_16_(x)
829# define my_betohl(x) _swab_16_(x)
830# elif LONGSIZE == 4
831# define my_htobel(x) _swab_32_(x)
832# define my_betohl(x) _swab_32_(x)
833# elif LONGSIZE == 8
834# define my_htobel(x) _swab_64_(x)
835# define my_betohl(x) _swab_64_(x)
836# else
837# define PERL_NEED_MY_HTOBEL
838# define PERL_NEED_MY_BETOHL
839# endif
840# define my_htolen(p,n) NOOP
841# define my_letohn(p,n) NOOP
842# define my_htoben(p,n) my_swabn(p,n)
843# define my_betohn(p,n) my_swabn(p,n)
844/*----------------------------------------------------------------------------*/
845# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
846/*----------------------------------------------------------------------------*/
847# define my_htobe16(x) (x)
848# define my_betoh16(x) (x)
849# define my_htobe32(x) (x)
850# define my_betoh32(x) (x)
851# define my_htole16(x) _swab_16_(x)
852# define my_letoh16(x) _swab_16_(x)
853# define my_htole32(x) _swab_32_(x)
854# define my_letoh32(x) _swab_32_(x)
855# ifdef HAS_QUAD
856# define my_htobe64(x) (x)
857# define my_betoh64(x) (x)
858# define my_htole64(x) _swab_64_(x)
859# define my_letoh64(x) _swab_64_(x)
860# endif
861# define my_htobes(x) (x)
862# define my_betohs(x) (x)
863# define my_htobei(x) (x)
864# define my_betohi(x) (x)
865# define my_htobel(x) (x)
866# define my_betohl(x) (x)
867# if SHORTSIZE == 1
868# define my_htoles(x) (x)
869# define my_letohs(x) (x)
870# elif SHORTSIZE == 2
871# define my_htoles(x) _swab_16_(x)
872# define my_letohs(x) _swab_16_(x)
873# elif SHORTSIZE == 4
874# define my_htoles(x) _swab_32_(x)
875# define my_letohs(x) _swab_32_(x)
876# elif SHORTSIZE == 8
877# define my_htoles(x) _swab_64_(x)
878# define my_letohs(x) _swab_64_(x)
879# else
880# define PERL_NEED_MY_HTOLES
881# define PERL_NEED_MY_LETOHS
882# endif
883# if INTSIZE == 1
884# define my_htolei(x) (x)
885# define my_letohi(x) (x)
886# elif INTSIZE == 2
887# define my_htolei(x) _swab_16_(x)
888# define my_letohi(x) _swab_16_(x)
889# elif INTSIZE == 4
890# define my_htolei(x) _swab_32_(x)
891# define my_letohi(x) _swab_32_(x)
892# elif INTSIZE == 8
893# define my_htolei(x) _swab_64_(x)
894# define my_letohi(x) _swab_64_(x)
895# else
896# define PERL_NEED_MY_HTOLEI
897# define PERL_NEED_MY_LETOHI
898# endif
899# if LONGSIZE == 1
900# define my_htolel(x) (x)
901# define my_letohl(x) (x)
902# elif LONGSIZE == 2
903# define my_htolel(x) _swab_16_(x)
904# define my_letohl(x) _swab_16_(x)
905# elif LONGSIZE == 4
906# define my_htolel(x) _swab_32_(x)
907# define my_letohl(x) _swab_32_(x)
908# elif LONGSIZE == 8
909# define my_htolel(x) _swab_64_(x)
910# define my_letohl(x) _swab_64_(x)
911# else
912# define PERL_NEED_MY_HTOLEL
913# define PERL_NEED_MY_LETOHL
914# endif
915# define my_htolen(p,n) my_swabn(p,n)
916# define my_letohn(p,n) my_swabn(p,n)
917# define my_htoben(p,n) NOOP
918# define my_betohn(p,n) NOOP
919/*----------------------------------------------------------------------------*/
920# else /* all other byte-orders */
921/*----------------------------------------------------------------------------*/
922# define PERL_NEED_MY_HTOLE16
923# define PERL_NEED_MY_LETOH16
924# define PERL_NEED_MY_HTOBE16
925# define PERL_NEED_MY_BETOH16
926# define PERL_NEED_MY_HTOLE32
927# define PERL_NEED_MY_LETOH32
928# define PERL_NEED_MY_HTOBE32
929# define PERL_NEED_MY_BETOH32
930# ifdef HAS_QUAD
931# define PERL_NEED_MY_HTOLE64
932# define PERL_NEED_MY_LETOH64
933# define PERL_NEED_MY_HTOBE64
934# define PERL_NEED_MY_BETOH64
935# endif
936# define PERL_NEED_MY_HTOLES
937# define PERL_NEED_MY_LETOHS
938# define PERL_NEED_MY_HTOBES
939# define PERL_NEED_MY_BETOHS
940# define PERL_NEED_MY_HTOLEI
941# define PERL_NEED_MY_LETOHI
942# define PERL_NEED_MY_HTOBEI
943# define PERL_NEED_MY_BETOHI
944# define PERL_NEED_MY_HTOLEL
945# define PERL_NEED_MY_LETOHL
946# define PERL_NEED_MY_HTOBEL
947# define PERL_NEED_MY_BETOHL
948/*----------------------------------------------------------------------------*/
949# endif /* end of byte-order macros */
950/*----------------------------------------------------------------------------*/
951
9c17f24a
NC
952/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
953 at least on FreeBSD. YMMV, so experiment. */
954#ifndef PERL_ARENA_SIZE
955#define PERL_ARENA_SIZE 4080
956#endif
957
ccb2c8b8 958/* Maximum level of recursion */
2b9dff67
RGS
959#ifndef PERL_SUB_DEPTH_WARN
960#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS
961#endif
962
1109a392
MHM
963#endif /* PERL_CORE */
964
bdf3085f
NC
965/* We no longer default to creating a new SV for GvSV.
966 Do this before embed. */
967#ifndef PERL_CREATE_GVSV
7459f06b
NC
968# ifndef PERL_DONT_CREATE_GVSV
969# define PERL_DONT_CREATE_GVSV
970# endif
bdf3085f
NC
971#endif
972
ca0c25f6
NC
973#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
974#define PERL_USES_PL_PIDSTATUS
975#endif
976
e37778c2 977#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__)
a62746fa
RGS
978#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
979#endif
980
c31fac66
GS
981#define MEM_SIZE Size_t
982
1936d2a7
NC
983/* Round all values passed to malloc up, by default to a multiple of
984 sizeof(size_t)
985*/
986#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
987#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
988#endif
989
f1200559
WH
990/* sv_grow() will expand strings by at least a certain percentage of
991 the previously *used* length to avoid excessive calls to realloc().
992 The default is 25% of the current length.
993*/
994#ifndef PERL_STRLEN_EXPAND_SHIFT
995# define PERL_STRLEN_EXPAND_SHIFT 2
996#endif
997
51371543
GS
998#if defined(STANDARD_C) && defined(I_STDDEF)
999# include <stddef.h>
1000# define STRUCT_OFFSET(s,m) offsetof(s,m)
1001#else
1002# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
1003#endif
1004
9969cdde 1005#ifndef __SYMBIAN32__
27da23d5
JH
1006# if defined(I_STRING) || defined(__cplusplus)
1007# include <string.h>
1008# else
1009# include <strings.h>
1010# endif
51371543
GS
1011#endif
1012
55497cff
PP
1013/* This comes after <stdlib.h> so we don't try to change the standard
1014 * library prototypes; we'll use our own in proto.h instead. */
03a14243 1015
4633a7c4 1016#ifdef MYMALLOC
86058a2d 1017# ifdef PERL_POLLUTE_MALLOC
ee13e175 1018# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS
1019# define Perl_malloc malloc
1020# define Perl_calloc calloc
1021# define Perl_realloc realloc
1022# define Perl_mfree free
ee13e175 1023# endif
86058a2d
GS
1024# else
1025# define EMBEDMYMALLOC /* for compatibility */
1026# endif
827e134a 1027
651b9576
GS
1028# define safemalloc Perl_malloc
1029# define safecalloc Perl_calloc
1030# define saferealloc Perl_realloc
1031# define safefree Perl_mfree
22f7c9c9
JH
1032# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1033 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1034 code; \
1035 } STMT_END
1036# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1037 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1038# define panic_write2(s) write(2, s, strlen(s))
1039# define CHECK_MALLOC_TAINT(newval) \
1040 CHECK_MALLOC_TOO_LATE_FOR_( \
1041 if (newval) { \
1042 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1043 exit(1); })
22f7c9c9 1044# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1045 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH
1046 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1047 }} STMT_END;
f2517201
GS
1048#else /* MYMALLOC */
1049# define safemalloc safesysmalloc
1050# define safecalloc safesyscalloc
1051# define saferealloc safesysrealloc
1052# define safefree safesysfree
22f7c9c9
JH
1053# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1054# define CHECK_MALLOC_TAINT(newval) ((void)0)
1055# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1056#endif /* MYMALLOC */
4633a7c4 1057
fe13d51d 1058/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 1059#define TOO_LATE_FOR_(ch,what) Perl_croak(aTHX_ "\"-%c\" is on the #! line, it must also be used on the command line%s", (char)(ch), what)
22f7c9c9
JH
1060#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1061#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1062#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1063
a0d0e21e
LW
1064#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1065#define strchr index
1066#define strrchr rindex
1067#endif
1068
16d20bd9
AD
1069#ifdef I_MEMORY
1070# include <memory.h>
1071#endif
1072
fe14fcc3 1073#ifdef HAS_MEMCPY
85e6fe83 1074# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1075# ifndef memcpy
20ce7b12 1076 extern char * memcpy (char*, char*, int);
ee0007ab
LW
1077# endif
1078# endif
1079#else
1080# ifndef memcpy
1081# ifdef HAS_BCOPY
1082# define memcpy(d,s,l) bcopy(s,d,l)
1083# else
1084# define memcpy(d,s,l) my_bcopy(s,d,l)
1085# endif
1086# endif
1087#endif /* HAS_MEMCPY */
fe14fcc3 1088
ee0007ab 1089#ifdef HAS_MEMSET
85e6fe83 1090# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1091# ifndef memset
20ce7b12 1092 extern char *memset (char*, int, int);
ee0007ab
LW
1093# endif
1094# endif
ee0007ab 1095#else
12ae5dfc 1096# undef memset
fc36a67e 1097# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
1098#endif /* HAS_MEMSET */
1099
85e6fe83 1100#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1101# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW
1102# define memmove(d,s,l) bcopy(s,d,l)
1103# else
2304df62 1104# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1105# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1106# else
79072805 1107# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1108# endif
352d5a3a 1109# endif
d9d8d8de 1110#endif
ee0007ab 1111
36477c24
PP
1112#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1113# undef HAS_MEMCMP
1114#endif
1115
1116#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1117# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1118# ifndef memcmp
20ce7b12 1119 extern int memcmp (char*, char*, int);
ee0007ab
LW
1120# endif
1121# endif
36477c24 1122# ifdef BUGGY_MSC
7e4e8c89 1123# pragma function(memcmp)
36477c24 1124# endif
ee0007ab
LW
1125#else
1126# ifndef memcmp
ecfc5424 1127# define memcmp my_memcmp
352d5a3a 1128# endif
36477c24 1129#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1130
fc36a67e 1131#ifndef memzero
c635e13b
PP
1132# ifdef HAS_MEMSET
1133# define memzero(d,l) memset(d,0,l)
79072805 1134# else
c635e13b
PP
1135# ifdef HAS_BZERO
1136# define memzero(d,l) bzero(d,l)
79072805 1137# else
fc36a67e 1138# define memzero(d,l) my_bzero(d,l)
79072805
LW
1139# endif
1140# endif
d9d8d8de 1141#endif
378cc40b 1142
2f42fcb0 1143#ifndef PERL_MICRO
0f27ced1
JH
1144#ifndef memchr
1145# ifndef HAS_MEMCHR
1146# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1147# endif
1148#endif
2f42fcb0 1149#endif
0f27ced1 1150
36477c24
PP
1151#ifndef HAS_BCMP
1152# ifndef bcmp
1153# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1154# endif
36477c24 1155#endif /* !HAS_BCMP */
378cc40b 1156
ae986130 1157#ifdef I_NETINET_IN
79072805 1158# include <netinet/in.h>
ae986130
LW
1159#endif
1160
28e8609d
JH
1161#ifdef I_ARPA_INET
1162# include <arpa/inet.h>
1163#endif
1164
84902520
TB
1165#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1166/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1167 * (the neo-BSD seem to do this). */
1168# undef SF_APPEND
1169#endif
1170
1aef975c 1171#ifdef I_SYS_STAT
84902520 1172# include <sys/stat.h>
1aef975c 1173#endif
79072805 1174
287a962e
JD
1175/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1176 This definition should ideally go into win32/win32.h, but S_IFIFO is
1177 used later here in perl.h before win32/win32.h is being included. */
1178#if !defined(S_IFIFO) && defined(_S_IFIFO)
1179# define S_IFIFO _S_IFIFO
1180#endif
1181
a0d0e21e
LW
1182/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1183 like UTekV) are broken, sometimes giving false positives. Undefine
1184 them here and let the code below set them to proper values.
1185
1186 The ghs macro stands for GreenHills Software C-1.8.5 which
1187 is the C compiler for sysV88 and the various derivatives.
1188 This header file bug is corrected in gcc-2.5.8 and later versions.
1189 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1190
1191#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW
1192# undef S_ISDIR
1193# undef S_ISCHR
1194# undef S_ISBLK
1195# undef S_ISREG
1196# undef S_ISFIFO
1197# undef S_ISLNK
ee0007ab 1198#endif
135863df 1199
663a0e37
LW
1200#ifdef I_TIME
1201# include <time.h>
ffed7fef 1202#endif
663a0e37 1203
fe14fcc3 1204#ifdef I_SYS_TIME
85e6fe83 1205# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1206# define KERNEL
1207# endif
1208# include <sys/time.h>
85e6fe83 1209# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1210# undef KERNEL
1211# endif
a687059c 1212#endif
135863df 1213
55497cff 1214#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1215# include <sys/times.h>
d9d8d8de 1216#endif
8d063cd8 1217
fe14fcc3 1218#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1219# undef HAS_STRERROR
663a0e37
LW
1220#endif
1221
1222#include <errno.h>
1e743fda 1223
acfe0abc 1224#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
1225# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1226#endif
1227
8cfab5ff 1228/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1229 * This is important for using IPv6.
8cfab5ff
JH
1230 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1231 * a bad idea since it breaks send() and recv(). */
1232#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1233# define _SOCKADDR_LEN
1234#endif
1235
da70cfc6 1236#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH
1237# include <sys/socket.h>
1238# if defined(USE_SOCKS) && defined(I_SOCKS)
1239# if !defined(INCLUDE_PROTOTYPES)
1240# define INCLUDE_PROTOTYPES /* for <socks.h> */
1241# define PERL_SOCKS_NEED_PROTOTYPES
1242# endif
1243# include <socks.h>
1244# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1245# undef INCLUDE_PROTOTYPES
1246# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1247# endif
d460ef45 1248# endif
1e743fda 1249# ifdef I_NETDB
2986a63f
JH
1250# ifdef NETWARE
1251# include<stdio.h>
1252# endif
1e743fda
JH
1253# include <netdb.h>
1254# endif
1255# ifndef ENOTSOCK
1256# ifdef I_NET_ERRNO
1257# include <net/errno.h>
1258# endif
1259# endif
1260#endif
1261
fa0a29af 1262/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM
1263 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1264 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1265#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM
1266# if defined(__THROW) && defined(__GLIBC__)
1267int sockatmark(int) __THROW;
1268# else
2ef53570 1269int sockatmark(int);
29820b6d 1270# endif
2ef53570
JH
1271#endif
1272
7e827271 1273#if defined(__osf__) && defined(__cplusplus) && !defined(_XOPEN_SOURCE_EXTENDED) /* Tru64 "cxx" (C++), see hints/dec_osf.sh for why the _XOPEN_SOURCE_EXTENDED cannot be defined. */
45d3b546
JH
1274EXTERN_C int fchdir(int);
1275EXTERN_C int flock(int, int);
1276EXTERN_C int fseeko(FILE *, off_t, int);
1277EXTERN_C off_t ftello(FILE *);
1278#endif
1279
7e827271 1280#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1281EXTERN_C char *crypt(const char *, const char *);
7e827271 1282EXTERN_C char **environ;
1ccb7c8d
JH
1283#endif
1284
83a6ff2e 1285#if defined(__cplusplus)
944c4fda 1286# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1287EXTERN_C char **environ;
83a6ff2e 1288# elif defined(__CYGWIN__)
667e2948
SP
1289EXTERN_C char *crypt(const char *, const char *);
1290#endif
83a6ff2e 1291#endif
667e2948 1292
1e743fda
JH
1293#ifdef SETERRNO
1294# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1295#endif
f86702cc
PP
1296
1297#ifdef VMS
1298# define SETERRNO(errcode,vmserrcode) \
1299 STMT_START { \
1300 set_errno(errcode); \
1301 set_vaxc_errno(vmserrcode); \
1302 } STMT_END
4ee39169
CS
1303# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1304# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1305# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1306# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1307
93189314
JH
1308# define LIB_INVARG LIB$_INVARG
1309# define RMS_DIR RMS$_DIR
1310# define RMS_FAC RMS$_FAC
1311# define RMS_FEX RMS$_FEX
1312# define RMS_FNF RMS$_FNF
1313# define RMS_IFI RMS$_IFI
1314# define RMS_ISI RMS$_ISI
1315# define RMS_PRV RMS$_PRV
1316# define SS_ACCVIO SS$_ACCVIO
1317# define SS_DEVOFFLINE SS$_DEVOFFLINE
1318# define SS_IVCHAN SS$_IVCHAN
1319# define SS_NORMAL SS$_NORMAL
748a9306 1320#else
aba27d88 1321# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS
1322# define dSAVEDERRNO int saved_errno
1323# define dSAVE_ERRNO int saved_errno = errno
1324# define SAVE_ERRNO (saved_errno = errno)
1325# define RESTORE_ERRNO (errno = saved_errno)
1326
93189314
JH
1327# define LIB_INVARG 0
1328# define RMS_DIR 0
1329# define RMS_FAC 0
1330# define RMS_FEX 0
1331# define RMS_FNF 0
1332# define RMS_IFI 0
1333# define RMS_ISI 0
1334# define RMS_PRV 0
1335# define SS_ACCVIO 0
1336# define SS_DEVOFFLINE 0
1337# define SS_IVCHAN 0
1338# define SS_NORMAL 0
748a9306 1339#endif
ed6116ce 1340
f5fa9033 1341#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC
1342
1343#define CLEAR_ERRSV() STMT_START { \
1344 if (!GvSV(PL_errgv)) { \
1345 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1346 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1347 SvREFCNT_dec(GvSV(PL_errgv)); \
1348 GvSV(PL_errgv) = newSVpvs(""); \
1349 } else { \
1350 SV *const errsv = GvSV(PL_errgv); \
1351 sv_setpvs(errsv, ""); \
1352 if (SvMAGICAL(errsv)) { \
1353 mg_free(errsv); \
1354 } \
1355 SvPOK_only(errsv); \
1356 } \
1357 } STMT_END
1358
1359
414bf5ae
MHM
1360#ifdef PERL_CORE
1361# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC
1362# define DEFSV_set(sv) \
1363 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1364# define SAVE_DEFSV \
1365 ( \
1366 save_gp(PL_defgv, 0), \
1367 GvINTRO_off(PL_defgv), \
1368 SAVEGENERICSV(GvSV(PL_defgv)), \
1369 GvSV(PL_defgv) = NULL \
1370 )
414bf5ae
MHM
1371#else
1372# define DEFSV GvSVn(PL_defgv)
55b5114f
FC
1373# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1374# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1375#endif
38a03e6e 1376
98eae8f5
GS
1377#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1378
55497cff 1379#ifndef errno
5ff3f7a4
GS
1380 extern int errno; /* ANSI allows errno to be an lvalue expr.
1381 * For example in multithreaded environments
1382 * something like this might happen:
1383 * extern int *_errno(void);
1384 * #define errno (*_errno()) */
d9d8d8de 1385#endif
663a0e37 1386
2304df62 1387#ifdef HAS_STRERROR
2242159b 1388#ifndef DONT_DECLARE_STD
a0d0e21e 1389# ifdef VMS
20ce7b12 1390 char *strerror (int,...);
a0d0e21e 1391# else
20ce7b12 1392 char *strerror (int);
a0d0e21e 1393# endif
2242159b 1394#endif
2304df62
AD
1395# ifndef Strerror
1396# define Strerror strerror
1397# endif
1398#else
1399# ifdef HAS_SYS_ERRLIST
79072805
LW
1400 extern int sys_nerr;
1401 extern char *sys_errlist[];
2304df62
AD
1402# ifndef Strerror
1403# define Strerror(e) \
79072805 1404 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1405# endif
79072805 1406# endif
35c8bce7 1407#endif
663a0e37 1408
2304df62 1409#ifdef I_SYS_IOCTL
79072805
LW
1410# ifndef _IOCTL_
1411# include <sys/ioctl.h>
1412# endif
a687059c
LW
1413#endif
1414
ee0007ab 1415#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1416# ifdef HAS_SOCKETPAIR
1417# undef HAS_SOCKETPAIR
1418# endif
2304df62
AD
1419# ifdef I_NDBM
1420# undef I_NDBM
79072805 1421# endif
a687059c
LW
1422#endif
1423
02fc2eee
NC
1424#ifndef HAS_SOCKETPAIR
1425# ifdef HAS_SOCKET
1426# define socketpair Perl_my_socketpair
1427# endif
1428#endif
1429
a687059c 1430#if INTSIZE == 2
79072805
LW
1431# define htoni htons
1432# define ntohi ntohs
a687059c 1433#else
79072805
LW
1434# define htoni htonl
1435# define ntohi ntohl
a687059c
LW
1436#endif
1437
a0d0e21e 1438/* Configure already sets Direntry_t */
35c8bce7 1439#if defined(I_DIRENT)
663a0e37 1440# include <dirent.h>
8f1f23e8
W
1441 /* NeXT needs dirent + sys/dir.h */
1442# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
1443# include <sys/dir.h>
1444# endif
ae986130 1445#else
fe14fcc3 1446# ifdef I_SYS_NDIR
79a0689e 1447# include <sys/ndir.h>
663a0e37 1448# else
fe14fcc3 1449# ifdef I_SYS_DIR
79a0689e
LW
1450# ifdef hp9000s500
1451# include <ndir.h> /* may be wrong in the future */
1452# else
1453# include <sys/dir.h>
1454# endif
663a0e37
LW
1455# endif
1456# endif
4633a7c4 1457#endif
a687059c 1458
12ae5dfc
JH
1459#ifdef PERL_MICRO
1460# ifndef DIR
1461# define DIR void
1462# endif
1463#endif
1464
352d5a3a
LW
1465#ifdef FPUTS_BOTCH
1466/* work around botch in SunOS 4.0.1 and 4.0.2 */
1467# ifndef fputs
79072805 1468# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
1469# endif
1470#endif
1471
c623bd54
LW
1472/*
1473 * The following gobbledygook brought to you on behalf of __STDC__.
1474 * (I could just use #ifndef __STDC__, but this is more bulletproof
1475 * in the face of half-implementations.)
1476 */
1477
7114a2d2 1478#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH
1479#include <sys/mode.h>
1480#endif
1481
c623bd54
LW
1482#ifndef S_IFMT
1483# ifdef _S_IFMT
1484# define S_IFMT _S_IFMT
1485# else
1486# define S_IFMT 0170000
1487# endif
1488#endif
1489
1490#ifndef S_ISDIR
1491# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1492#endif
1493
1494#ifndef S_ISCHR
1495# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1496#endif
1497
1498#ifndef S_ISBLK
fe14fcc3
LW
1499# ifdef S_IFBLK
1500# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1501# else
1502# define S_ISBLK(m) (0)
1503# endif
c623bd54
LW
1504#endif
1505
1506#ifndef S_ISREG
1507# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1508#endif
1509
1510#ifndef S_ISFIFO
fe14fcc3
LW
1511# ifdef S_IFIFO
1512# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1513# else
1514# define S_ISFIFO(m) (0)
1515# endif
c623bd54
LW
1516#endif
1517
1518#ifndef S_ISLNK
1519# ifdef _S_ISLNK
1520# define S_ISLNK(m) _S_ISLNK(m)
1521# else
1522# ifdef _S_IFLNK
1523# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1524# else
1525# ifdef S_IFLNK
1526# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1527# else
1528# define S_ISLNK(m) (0)
1529# endif
1530# endif
1531# endif
1532#endif
1533
1534#ifndef S_ISSOCK
1535# ifdef _S_ISSOCK
1536# define S_ISSOCK(m) _S_ISSOCK(m)
1537# else
1538# ifdef _S_IFSOCK
1539# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1540# else
1541# ifdef S_IFSOCK
1542# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1543# else
1544# define S_ISSOCK(m) (0)
1545# endif
1546# endif
1547# endif
1548#endif
1549
1550#ifndef S_IRUSR
1551# ifdef S_IREAD
1552# define S_IRUSR S_IREAD
1553# define S_IWUSR S_IWRITE
1554# define S_IXUSR S_IEXEC
1555# else
1556# define S_IRUSR 0400
1557# define S_IWUSR 0200
1558# define S_IXUSR 0100
1559# endif
fac7cdfc 1560#endif
1561
1562#ifndef S_IRGRP
1563# ifdef S_IRUSR
1564# define S_IRGRP (S_IRUSR>>3)
1565# define S_IWGRP (S_IWUSR>>3)
1566# define S_IXGRP (S_IXUSR>>3)
1567# else
1568# define S_IRGRP 0040
1569# define S_IWGRP 0020
1570# define S_IXGRP 0010
1571# endif
1572#endif
1573
1574#ifndef S_IROTH
1575# ifdef S_IRUSR
1576# define S_IROTH (S_IRUSR>>6)
1577# define S_IWOTH (S_IWUSR>>6)
1578# define S_IXOTH (S_IXUSR>>6)
1579# else
1580# define S_IROTH 0040
1581# define S_IWOTH 0020
1582# define S_IXOTH 0010
1583# endif
c623bd54
LW
1584#endif
1585
1586#ifndef S_ISUID
1587# define S_ISUID 04000
1588#endif
1589
1590#ifndef S_ISGID
1591# define S_ISGID 02000
1592#endif
1593
ca6e1c26
JH
1594#ifndef S_IRWXU
1595# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1596#endif
ca6e1c26
JH
1597
1598#ifndef S_IRWXG
1599# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1600#endif
ca6e1c26
JH
1601
1602#ifndef S_IRWXO
1603# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1604#endif
ca6e1c26 1605
df00ff3b 1606/* BeOS 5.0 and Haiku R1 seem to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH
1607 * which would get included through <sys/file.h >, but that is 3000
1608 * lines in the future. --jhi */
1609
df00ff3b 1610#if !defined(S_IREAD) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH
1611# define S_IREAD S_IRUSR
1612#endif
1613
df00ff3b 1614#if !defined(S_IWRITE) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH
1615# define S_IWRITE S_IWUSR
1616#endif
1617
1618#ifndef S_IEXEC
1619# define S_IEXEC S_IXUSR
1620#endif
1621
79072805
LW
1622#ifdef ff_next
1623# undef ff_next
352d5a3a
LW
1624#endif
1625
a0d0e21e 1626#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1627# define SLOPPYDIVIDE
1628#endif
1629
748a9306
LW
1630#ifdef UV
1631#undef UV
1632#endif
1633
c89df6bf
JH
1634#ifdef SPRINTF_E_BUG
1635# define sprintf UTS_sprintf_wrap
1636#endif
1637
ce582cee
NC
1638/* For the times when you want the return value of sprintf, and you want it
1639 to be the length. Can't have a thread variable passed in, because C89 has
1640 no varargs macros.
1641*/
1642#ifdef SPRINTF_RETURNS_STRLEN
1643# define my_sprintf sprintf
1644#else
1645# define my_sprintf Perl_my_sprintf
1646#endif
1647
5b692037
JH
1648/*
1649 * If we have v?snprintf() and the C99 variadic macros, we can just
1650 * use just the v?snprintf(). It is nice to try to trap the buffer
1651 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD
1652 * gcc statement expressions, then use the function wrappers which try
1653 * to trap the overflow. If we can use the gcc statement expressions,
1654 * we can try that even with the version that uses the C99 variadic
1655 * macros.
5b692037
JH
1656 */
1657
1208b3dd
JH
1658/* Note that we do not check against snprintf()/vsnprintf() returning
1659 * negative values because that is non-standard behaviour and we use
1660 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1661 * that should be true only if the snprintf()/vsnprintf() are true
1662 * to the standard. */
1663
dfeee9b1 1664#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1665# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1666# 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 1667# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1668# else
1669# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1670# endif
1671#else
1672# define my_snprintf Perl_my_snprintf
1208b3dd 1673# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1674#endif
1675
dfeee9b1 1676#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1677# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1678# 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 1679# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH
1680# else
1681# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1682# endif
1683#else
1684# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1685# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1686#endif
d9fad198 1687
a6cc4119
SP
1688#ifdef HAS_STRLCAT
1689# define my_strlcat strlcat
1690#else
1691# define my_strlcat Perl_my_strlcat
1692#endif
1693
1694#ifdef HAS_STRLCPY
1695# define my_strlcpy strlcpy
1696#else
1697# define my_strlcpy Perl_my_strlcpy
1698#endif
1699
c495e728
JH
1700/* Configure gets this right but the UTS compiler gets it wrong.
1701 -- Hal Morris <hom00@utsglobal.com> */
1702#ifdef UTS
1703# undef UVTYPE
1704# define UVTYPE unsigned
1705#endif
1706
05f13f53 1707/*
27d4fb96
PP
1708 The IV type is supposed to be long enough to hold any integral
1709 value or a pointer.
1710 --Andy Dougherty August 1996
1711*/
1712
a22e52b9
JH
1713typedef IVTYPE IV;
1714typedef UVTYPE UV;
8175356b 1715
10cc9d2a 1716#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1717# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1718# define IV_MAX INT64_MAX
1719# define IV_MIN INT64_MIN
1720# define UV_MAX UINT64_MAX
cae7ae48
JH
1721# ifndef UINT64_MIN
1722# define UINT64_MIN 0
1723# endif
5ff3f7a4
GS
1724# define UV_MIN UINT64_MIN
1725# else
1726# define IV_MAX PERL_QUAD_MAX
1727# define IV_MIN PERL_QUAD_MIN
1728# define UV_MAX PERL_UQUAD_MAX
1729# define UV_MIN PERL_UQUAD_MIN
1730# endif
cf2093f6
JH
1731# define IV_IS_QUAD
1732# define UV_IS_QUAD
79072805 1733#else
8175356b 1734# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1735# define IV_MAX INT32_MAX
1736# define IV_MIN INT32_MIN
716026f9
DL
1737# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1738# define UV_MAX UINT32_MAX
1739# else
1740# define UV_MAX 4294967295U
1741# endif
cae7ae48
JH
1742# ifndef UINT32_MIN
1743# define UINT32_MIN 0
1744# endif
5ff3f7a4
GS
1745# define UV_MIN UINT32_MIN
1746# else
1747# define IV_MAX PERL_LONG_MAX
1748# define IV_MIN PERL_LONG_MIN
1749# define UV_MAX PERL_ULONG_MAX
1750# define UV_MIN PERL_ULONG_MIN
1751# endif
8175356b 1752# if IVSIZE == 8
cf2093f6
JH
1753# define IV_IS_QUAD
1754# define UV_IS_QUAD
de1c2614
JH
1755# ifndef HAS_QUAD
1756# define HAS_QUAD
1757# endif
cf2093f6
JH
1758# else
1759# undef IV_IS_QUAD
1760# undef UV_IS_QUAD
de1c2614 1761# undef HAS_QUAD
cf2093f6 1762# endif
79072805 1763#endif
d7d93a81 1764
1109a392
MHM
1765#ifndef HAS_QUAD
1766# undef PERL_NEED_MY_HTOLE64
1767# undef PERL_NEED_MY_LETOH64
1768# undef PERL_NEED_MY_HTOBE64
1769# undef PERL_NEED_MY_BETOH64
1770#endif
1771
6cde8aec 1772#if defined(uts) || defined(UTS)
11afe549
HM
1773# undef UV_MAX
1774# define UV_MAX (4294967295u)
20601011
JH
1775#endif
1776
cae7ae48 1777#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1778#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1779
28e5dec8 1780#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1781#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1782#endif
1783
d460ef45 1784/*
26bb67e2
JH
1785 * The macros INT2PTR and NUM2PTR are (despite their names)
1786 * bi-directional: they will convert int/float to or from pointers.
1787 * However the conversion to int/float are named explicitly:
1788 * PTR2IV, PTR2UV, PTR2NV.
1789 *
1790 * For int conversions we do not need two casts if pointers are
1791 * the same size as IV and UV. Otherwise we need an explicit
1792 * cast (PTRV) to avoid compiler warnings.
1793 */
56431972
RB
1794#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1795# define PTRV UV
1796# define INT2PTR(any,d) (any)(d)
1797#else
d460ef45 1798# if PTRSIZE == LONGSIZE
56431972 1799# define PTRV unsigned long
e91e3b10 1800# define PTR2ul(p) (unsigned long)(p)
42718184 1801# else
56431972 1802# define PTRV unsigned
42718184 1803# endif
e91e3b10
RB
1804#endif
1805
1806#ifndef INT2PTR
56431972 1807# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1808#endif
e91e3b10
RB
1809
1810#ifndef PTR2ul
1811# define PTR2ul(p) INT2PTR(unsigned long,p)
1812#endif
1813
56431972
RB
1814#define NUM2PTR(any,d) (any)(PTRV)(d)
1815#define PTR2IV(p) INT2PTR(IV,p)
1816#define PTR2UV(p) INT2PTR(UV,p)
1817#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1818#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1819
8141890a
JH
1820/* According to strict ANSI C89 one cannot freely cast between
1821 * data pointers and function (code) pointers. There are at least
1822 * two ways around this. One (used below) is to do two casts,
1823 * first the other pointer to an (unsigned) integer, and then
1824 * the integer to the other pointer. The other way would be
1825 * to use unions to "overlay" the pointers. For an example of
1826 * the latter technique, see union dirpu in struct xpvio in sv.h.
1827 * The only feasible use is probably temporarily storing
1828 * function pointers in a data pointer (such as a void pointer). */
1829
e91e3b10
RB
1830#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1831#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1832
65202027 1833#ifdef USE_LONG_DOUBLE
1048ea30
JH
1834# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1835# define LONG_DOUBLE_EQUALS_DOUBLE
1836# endif
68d4903c 1837# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1838# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1839# endif
1840#endif
1841
2d4389e4
JH
1842#ifdef OVR_DBL_DIG
1843/* Use an overridden DBL_DIG */
1844# ifdef DBL_DIG
1845# undef DBL_DIG
1846# endif
1847# define DBL_DIG OVR_DBL_DIG
1848#else
1849/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1850 default value for printing floating point numbers in Gconvert
1851 (see config.h). (It also has other uses, such as figuring out if
1852 a given precision of printing can be done with a double instead of
1853 a long double - Allen).
2d4389e4
JH
1854*/
1855#ifdef I_LIMITS
1856#include <limits.h>
1857#endif
1858#ifdef I_FLOAT
1859#include <float.h>
1860#endif
1861#ifndef HAS_DBL_DIG
1862#define DBL_DIG 15 /* A guess that works lots of places */
1863#endif
1864#endif
1865
1866#ifdef OVR_LDBL_DIG
1867/* Use an overridden LDBL_DIG */
1868# ifdef LDBL_DIG
1869# undef LDBL_DIG
1870# endif
1871# define LDBL_DIG OVR_LDBL_DIG
1872#else
1873/* The following is all to get LDBL_DIG, in order to pick a nice
1874 default value for printing floating point numbers in Gconvert.
1875 (see config.h)
1876*/
68d4903c
JH
1877# ifdef I_LIMITS
1878# include <limits.h>
1879# endif
1880# ifdef I_FLOAT
1881# include <float.h>
1882# endif
1883# ifndef HAS_LDBL_DIG
1884# if LONG_DOUBLESIZE == 10
1885# define LDBL_DIG 18 /* assume IEEE */
1886# else
1887# if LONG_DOUBLESIZE == 12
1888# define LDBL_DIG 18 /* gcc? */
1889# else
1890# if LONG_DOUBLESIZE == 16
1891# define LDBL_DIG 33 /* assume IEEE */
1892# else
1893# if LONG_DOUBLESIZE == DOUBLESIZE
1894# define LDBL_DIG DBL_DIG /* bummer */
1895# endif
1896# endif
1897# endif
1898# endif
1899# endif
2d4389e4
JH
1900#endif
1901
20f6aaab
AS
1902/*
1903 * This is for making sure we have a good DBL_MAX value, if possible,
1904 * either for usage as NV_MAX or for usage in figuring out if we can
1905 * fit a given long double into a double, if bug-fixing makes it
1906 * necessary to do so. - Allen <allens@cpan.org>
1907 */
1908
205f51d8
AS
1909#ifdef I_LIMITS
1910# include <limits.h>
20f6aaab
AS
1911#endif
1912
205f51d8
AS
1913#ifdef I_VALUES
1914# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1915# include <values.h>
1916# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1917# define DBL_MAX MAXDOUBLE
1918# endif
1919# if defined(MINDOUBLE) && !defined(DBL_MIN)
1920# define DBL_MIN MINDOUBLE
1921# endif
1922# endif
1923#endif /* defined(I_VALUES) */
1924
a22e52b9 1925typedef NVTYPE NV;
8175356b 1926
792d8dab
JH
1927#ifdef I_IEEEFP
1928# include <ieeefp.h>
1929#endif
923fc586 1930
65202027 1931#ifdef USE_LONG_DOUBLE
923fc586
JH
1932# ifdef I_SUNMATH
1933# include <sunmath.h>
1934# endif
2d4389e4 1935# define NV_DIG LDBL_DIG
d6c14000
JH
1936# ifdef LDBL_MANT_DIG
1937# define NV_MANT_DIG LDBL_MANT_DIG
1938# endif
06fc1729
JH
1939# ifdef LDBL_MIN
1940# define NV_MIN LDBL_MIN
1941# endif
1942# ifdef LDBL_MAX
1943# define NV_MAX LDBL_MAX
1944# endif
1945# ifdef LDBL_MIN_10_EXP
1946# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1947# endif
1948# ifdef LDBL_MAX_10_EXP
1949# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1950# endif
1951# ifdef LDBL_EPSILON
1952# define NV_EPSILON LDBL_EPSILON
1953# endif
f4a14a62
JH
1954# ifdef LDBL_MAX
1955# define NV_MAX LDBL_MAX
20f6aaab 1956/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1957# else
1958# ifdef HUGE_VALL
1959# define NV_MAX HUGE_VALL
1960# else
1961# ifdef HUGE_VAL
1962# define NV_MAX ((NV)HUGE_VAL)
1963# endif
1964# endif
1965# endif
68d4903c 1966# ifdef HAS_SQRTL
68d4903c
JH
1967# define Perl_cos cosl
1968# define Perl_sin sinl
1969# define Perl_sqrt sqrtl
1970# define Perl_exp expl
1971# define Perl_log logl
1972# define Perl_atan2 atan2l
1973# define Perl_pow powl
1974# define Perl_floor floorl
1bbae031 1975# define Perl_ceil ceill
68d4903c
JH
1976# define Perl_fmod fmodl
1977# endif
a3540c92
JH
1978/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1979# ifdef HAS_MODFL
1980# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1981/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1982 prototype in <math.h> */
1983# ifndef HAS_MODFL_PROTO
a221a8a5 1984EXTERN_C long double modfl(long double, long double *);
51997bc3 1985# endif
03476e8e
JH
1986# else
1987# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1988 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1989# define Perl_modf(x,y) Perl_my_modfl(x,y)
1990# endif
a3540c92
JH
1991# endif
1992# ifdef HAS_FREXPL
dff3e0b8 1993# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1994# else
1995# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1996 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1997# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1998# endif
a3540c92 1999# endif
38dbb4c5 2000# ifndef Perl_isnan
758a5d79
JH
2001# ifdef HAS_ISNANL
2002# define Perl_isnan(x) isnanl(x)
2003# endif
2004# endif
2005# ifndef Perl_isinf
2006# ifdef HAS_FINITEL
2007# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
2008# endif
2009# endif
65202027 2010#else
2d4389e4 2011# define NV_DIG DBL_DIG
d6c14000
JH
2012# ifdef DBL_MANT_DIG
2013# define NV_MANT_DIG DBL_MANT_DIG
2014# endif
06fc1729
JH
2015# ifdef DBL_MIN
2016# define NV_MIN DBL_MIN
2017# endif
2018# ifdef DBL_MAX
2019# define NV_MAX DBL_MAX
2020# endif
2021# ifdef DBL_MIN_10_EXP
2022# define NV_MIN_10_EXP DBL_MIN_10_EXP
2023# endif
2024# ifdef DBL_MAX_10_EXP
2025# define NV_MAX_10_EXP DBL_MAX_10_EXP
2026# endif
2027# ifdef DBL_EPSILON
2028# define NV_EPSILON DBL_EPSILON
2029# endif
205f51d8 2030# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
2031# define NV_MAX DBL_MAX
2032# define NV_MIN DBL_MIN
2033# else
2034# ifdef HUGE_VAL
2035# define NV_MAX HUGE_VAL
2036# endif
2037# endif
65202027
DS
2038# define Perl_cos cos
2039# define Perl_sin sin
2040# define Perl_sqrt sqrt
2041# define Perl_exp exp
2042# define Perl_log log
2043# define Perl_atan2 atan2
2044# define Perl_pow pow
2045# define Perl_floor floor
1bbae031 2046# define Perl_ceil ceil
65202027 2047# define Perl_fmod fmod
a3540c92 2048# define Perl_modf(x,y) modf(x,y)
dff3e0b8 2049# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
2050#endif
2051
2052/* rumor has it that Win32 has _fpclass() */
2053
205f51d8
AS
2054/* SGI has fpclassl... but not with the same result values,
2055 * and it's via a typedef (not via #define), so will need to redo Configure
2056 * to use. Not worth the trouble, IMO, at least until the below is used
2057 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
2058 * with me for the SGI manpages, SGI testing, etcetera, if you want to
2059 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
2060
758a5d79
JH
2061#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2062# ifdef I_IEEFP
2063# include <ieeefp.h>
2064# endif
2065# ifdef I_FP
2066# include <fp.h>
2067# endif
2068# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2069# define Perl_fp_class() fpclassl(x)
2070# else
2071# define Perl_fp_class() fpclass(x)
2072# endif
2073# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2074# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2075# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2076# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2077# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2078# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2079# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2080# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2081# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2082# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2083# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2084# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2085# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2086# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2087# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2088#endif
2089
7114a2d2 2090#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
2091# include <math.h>
2092# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2093# include <fp_class.h>
2094# endif
2095# define Perl_fp_class(x) fp_class(x)
2096# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2097# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2098# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2099# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2100# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2101# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2102# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2103# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2104# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2105# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2106# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2107# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2108# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2109# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2110# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2111#endif
2112
2113#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2114# include <math.h>
2115# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2116# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
2117# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2118# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2119# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2120# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2121#endif
2122
2123#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2124# include <math.h>
2125# ifndef _cplusplus
2126# define Perl_fp_class(x) class(x)
2127# else
2128# define Perl_fp_class(x) _class(x)
2129# endif
2130# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2131# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2132# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2133# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2134# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2135# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2136# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2137# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2138# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2139# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2140# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2141# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2142# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2143# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2144# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2145#endif
2146
2147/* rumor has it that Win32 has _isnan() */
2148
2149#ifndef Perl_isnan
a3540c92 2150# ifdef HAS_ISNAN
758a5d79
JH
2151# define Perl_isnan(x) isnan((NV)x)
2152# else
2153# ifdef Perl_fp_class_nan
2154# define Perl_isnan(x) Perl_fp_class_nan(x)
2155# else
2156# ifdef HAS_UNORDERED
2157# define Perl_isnan(x) unordered((x), 0.0)
2158# else
2159# define Perl_isnan(x) ((x)!=(x))
2160# endif
2161# endif
2162# endif
2163#endif
2164
ca6c63e1
JH
2165#ifdef UNDER_CE
2166int isnan(double d);
2167#endif
2168
758a5d79
JH
2169#ifndef Perl_isinf
2170# ifdef HAS_ISINF
2171# define Perl_isinf(x) isinf((NV)x)
a3540c92 2172# else
758a5d79
JH
2173# ifdef Perl_fp_class_inf
2174# define Perl_isinf(x) Perl_fp_class_inf(x)
2175# else
2176# define Perl_isinf(x) ((x)==NV_INF)
2177# endif
2178# endif
2179#endif
2180
2181#ifndef Perl_isfinite
2182# ifdef HAS_FINITE
2183# define Perl_isfinite(x) finite((NV)x)
2184# else
2185# ifdef HAS_ISFINITE
2186# define Perl_isfinite(x) isfinite(x)
2187# else
2188# ifdef Perl_fp_class_finite
2189# define Perl_isfinite(x) Perl_fp_class_finite(x)
2190# else
2191# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2192# endif
2193# endif
a3540c92 2194# endif
65202027
DS
2195#endif
2196
a36244b7
JH
2197/* The default is to use Perl's own atof() implementation (in numeric.c).
2198 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2199 * it is however best to use the native implementation of atof.
2200 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2201 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
2202 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2203 * you may need to be using a different function than atof! */
a36244b7
JH
2204
2205#ifndef USE_PERL_ATOF
2206# ifndef _UNICOS
2207# define USE_PERL_ATOF
2208# endif
2209#else
2210# if USE_PERL_ATOF == 0
2211# undef USE_PERL_ATOF
2212# endif
2213#endif
2214
2215#ifdef USE_PERL_ATOF
2216# define Perl_atof(s) Perl_my_atof(s)
2217# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2218#else
2219# define Perl_atof(s) (NV)atof(s)
2220# define Perl_atof2(s, n) ((n) = atof(s))
2221#endif
cf2093f6 2222
d460ef45 2223/* Previously these definitions used hardcoded figures.
760ac839
LW
2224 * It is hoped these formula are more portable, although
2225 * no data one way or another is presently known to me.
2226 * The "PERL_" names are used because these calculated constants
2227 * do not meet the ANSI requirements for LONG_MAX, etc., which
2228 * need to be constants acceptable to #if - kja
2229 * define PERL_LONG_MAX 2147483647L
2230 * define PERL_LONG_MIN (-LONG_MAX - 1)
2231 * define PERL ULONG_MAX 4294967295L
2232 */
2233
2234#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2235# include <limits.h>
760ac839 2236#endif
205f51d8 2237/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2238 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2239
99abf803
PP
2240/*
2241 * Try to figure out max and min values for the integral types. THE CORRECT
2242 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2243 * following hacks are used if neither limits.h or values.h provide them:
2244 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2245 * for types < int: (unsigned TYPE)~(unsigned)0
2246 * The argument to ~ must be unsigned so that later signed->unsigned
2247 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2248 * and it must not be smaller than int because ~ does integral promotion.
2249 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2250 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2251 * The latter is a hack which happens to work on some machines but
2252 * does *not* catch any random system, or things like integer types
2253 * with NaN if that is possible.
2254 *
2255 * All of the types are explicitly cast to prevent accidental loss of
2256 * numeric range, and in the hope that they will be less likely to confuse
2257 * over-eager optimizers.
2258 *
2259 */
27d4fb96 2260
99abf803
PP
2261#define PERL_UCHAR_MIN ((unsigned char)0)
2262
2263#ifdef UCHAR_MAX
2264# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2265#else
99abf803
PP
2266# ifdef MAXUCHAR
2267# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2268# else
99abf803 2269# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
2270# endif
2271#endif
d460ef45 2272
99abf803
PP
2273/*
2274 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2275 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2276 * depending on local options. Until Configure detects this (or at least
2277 * detects whether the "signed" keyword is available) the CHAR ranges
2278 * will not be included. UCHAR functions normally.
2279 * - kja
2280 */
27d4fb96 2281
99abf803
PP
2282#define PERL_USHORT_MIN ((unsigned short)0)
2283
2284#ifdef USHORT_MAX
2285# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2286#else
99abf803
PP
2287# ifdef MAXUSHORT
2288# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2289# else
ef2f54b0
CB
2290# ifdef USHRT_MAX
2291# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2292# else
2293# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2294# endif
27d4fb96
PP
2295# endif
2296#endif
2297
27d4fb96 2298#ifdef SHORT_MAX
99abf803 2299# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
2300#else
2301# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2302# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2303# else
ef2f54b0
CB
2304# ifdef SHRT_MAX
2305# define PERL_SHORT_MAX ((short)SHRT_MAX)
2306# else
2307# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2308# endif
27d4fb96
PP
2309# endif
2310#endif
2311
2312#ifdef SHORT_MIN
99abf803 2313# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
2314#else
2315# ifdef MINSHORT
99abf803 2316# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2317# else
ef2f54b0
CB
2318# ifdef SHRT_MIN
2319# define PERL_SHORT_MIN ((short)SHRT_MIN)
2320# else
2321# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2322# endif
27d4fb96
PP
2323# endif
2324#endif
2325
99abf803
PP
2326#ifdef UINT_MAX
2327# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2328#else
99abf803
PP
2329# ifdef MAXUINT
2330# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2331# else
99abf803 2332# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
2333# endif
2334#endif
2335
99abf803 2336#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
2337
2338#ifdef INT_MAX
99abf803 2339# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
2340#else
2341# ifdef MAXINT /* Often used in <values.h> */
99abf803 2342# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2343# else
99abf803 2344# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
2345# endif
2346#endif
2347
2348#ifdef INT_MIN
99abf803 2349# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2350#else
2351# ifdef MININT
99abf803 2352# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2353# else
2354# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2355# endif
2356#endif
2357
99abf803
PP
2358#ifdef ULONG_MAX
2359# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2360#else
99abf803
PP
2361# ifdef MAXULONG
2362# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2363# else
99abf803 2364# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2365# endif
2366#endif
2367
99abf803 2368#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2369
760ac839 2370#ifdef LONG_MAX
99abf803 2371# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2372#else
2373# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2374# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2375# else
99abf803 2376# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2377# endif
2378#endif
2379
2380#ifdef LONG_MIN
99abf803 2381# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2382#else
2383# ifdef MINLONG
99abf803 2384# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2385# else
27d4fb96 2386# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2387# endif
2388#endif
2389
d7d93a81 2390#ifdef UV_IS_QUAD
99abf803 2391
99abf803 2392# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2393# define PERL_UQUAD_MIN ((UV)0)
99abf803 2394# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2395# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2396
79072805
LW
2397#endif
2398
830247a4 2399struct RExC_state_t;
8e11feef 2400struct _reg_trie_data;
880b20b6 2401
ee0007ab 2402typedef MEM_SIZE STRLEN;
450a55e4 2403
598921a7
NC
2404#ifdef PERL_MAD
2405typedef struct token TOKEN;
2406typedef struct madprop MADPROP;
2407typedef struct nexttoken NEXTTOKE;
2408#endif
79072805
LW
2409typedef struct op OP;
2410typedef struct cop COP;
2411typedef struct unop UNOP;
2412typedef struct binop BINOP;
2413typedef struct listop LISTOP;
2414typedef struct logop LOGOP;
79072805
LW
2415typedef struct pmop PMOP;
2416typedef struct svop SVOP;
7934575e 2417typedef struct padop PADOP;
79072805 2418typedef struct pvop PVOP;
79072805
LW
2419typedef struct loop LOOP;
2420
8be227ab
FC
2421#if !defined(PL_OP_SLAB_ALLOC) && defined(PERL_CORE)
2422typedef struct opslab OPSLAB;
2423typedef struct opslot OPSLOT;
2424#endif
2425
52db365a 2426typedef struct block_hooks BHK;
1830b3d9 2427typedef struct custom_op XOP;
52db365a 2428
cd1541b2
NC
2429typedef struct interpreter PerlInterpreter;
2430
d2b3f365
SS
2431/* Amdahl's <ksync.h> has struct sv */
2432/* SGI's <sys/sema.h> has struct sv */
2433#if defined(UTS) || defined(__sgi)
2434# define STRUCT_SV perl_sv
b8d3c5db
JH
2435#else
2436# define STRUCT_SV sv
2437#endif
2438typedef struct STRUCT_SV SV;
79072805
LW
2439typedef struct av AV;
2440typedef struct hv HV;
2441typedef struct cv CV;
d2f13c59 2442typedef struct p5rx REGEXP;
79072805 2443typedef struct gp GP;
0c30d9ec 2444typedef struct gv GV;
8990e307 2445typedef struct io IO;
c09156bb 2446typedef struct context PERL_CONTEXT;
79072805
LW
2447typedef struct block BLOCK;
2448
2449typedef struct magic MAGIC;
2450typedef struct xpv XPV;
2451typedef struct xpviv XPVIV;
ff68c719 2452typedef struct xpvuv XPVUV;
79072805
LW
2453typedef struct xpvnv XPVNV;
2454typedef struct xpvmg XPVMG;
2455typedef struct xpvlv XPVLV;
2456typedef struct xpvav XPVAV;
2457typedef struct xpvhv XPVHV;
2458typedef struct xpvgv XPVGV;
2459typedef struct xpvcv XPVCV;
2460typedef struct xpvbm XPVBM;
2461typedef struct xpvfm XPVFM;
8990e307 2462typedef struct xpvio XPVIO;
79072805
LW
2463typedef struct mgvtbl MGVTBL;
2464typedef union any ANY;
5f7fde29
GS
2465typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2466typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2467typedef struct clone_params CLONE_PARAMS;
2468
378cc40b 2469#include "handy.h"
a0d0e21e 2470
6b8eaf93 2471#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2472# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2473# define USE_64_BIT_RAWIO /* implicit */
2474# endif
4564133c
JH
2475#endif
2476
6b8eaf93
JH
2477/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2478 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2479 * however, because operating systems like to do that themself. */
2480#ifndef FSEEKSIZE
2481# ifdef HAS_FSEEKO
2482# define FSEEKSIZE LSEEKSIZE
2483# else
2484# define FSEEKSIZE LONGSIZE
d460ef45 2485# endif
6b8eaf93
JH
2486#endif
2487
2488#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2489# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2490# define USE_64_BIT_STDIO /* implicit */
2491# endif
2492#endif
4564133c 2493
09458382 2494#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2495# ifdef HAS_OFF64_T
2496# undef Off_t
2497# define Off_t off64_t
2498# undef LSEEKSIZE
2499# define LSEEKSIZE 8
5ff3f7a4 2500# endif
d9b3e12d
JH
2501/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2502 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2503 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2504# if defined(USE_OPEN64)
2505# define open open64
5ff3f7a4 2506# endif
d9b3e12d
JH
2507# if defined(USE_LSEEK64)
2508# define lseek lseek64
6b8eaf93
JH
2509# else
2510# if defined(USE_LLSEEK)
2511# define lseek llseek
2512# endif
d9b3e12d
JH
2513# endif
2514# if defined(USE_STAT64)
2515# define stat stat64
2516# endif
2517# if defined(USE_FSTAT64)
2518# define fstat fstat64
2519# endif
2520# if defined(USE_LSTAT64)
2521# define lstat lstat64
2522# endif
2523# if defined(USE_FLOCK64)
2524# define flock flock64
2525# endif
2526# if defined(USE_LOCKF64)
2527# define lockf lockf64
2528# endif
2529# if defined(USE_FCNTL64)
2530# define fcntl fcntl64
2531# endif
2532# if defined(USE_TRUNCATE64)
2533# define truncate truncate64
2534# endif
2535# if defined(USE_FTRUNCATE64)
2536# define ftruncate ftruncate64
2537# endif
2538#endif
2539
2540#ifdef USE_64_BIT_STDIO
2541# ifdef HAS_FPOS64_T
2542# undef Fpos_t
2543# define Fpos_t fpos64_t
2544# endif
2545/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2546 * will trigger defines like the ones below. Some 64-bit environments,
2547 * however, do not. */
2548# if defined(USE_FOPEN64)
2549# define fopen fopen64
2550# endif
2551# if defined(USE_FSEEK64)
6b8eaf93 2552# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2553# endif
2554# if defined(USE_FTELL64)
6b8eaf93 2555# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2556# endif
2557# if defined(USE_FSETPOS64)
2558# define fsetpos fsetpos64
2559# endif
2560# if defined(USE_FGETPOS64)
2561# define fgetpos fgetpos64
2562# endif
2563# if defined(USE_TMPFILE64)
2564# define tmpfile tmpfile64
2565# endif
2566# if defined(USE_FREOPEN64)
2567# define freopen freopen64
5ff3f7a4
GS
2568# endif
2569#endif
2570
e37778c2 2571#if defined(OS2)
2c2d71f5
JH
2572# include "iperlsys.h"
2573#endif
2574
6f71a643 2575#if defined(__OPEN_VM)
19848b3f
JH
2576# include "vmesa/vmesaish.h"
2577# define ISHISH "vmesa"
6f71a643
JH
2578#endif
2579
748a9306 2580#ifdef DOSISH
19848b3f
JH
2581# if defined(OS2)
2582# include "os2ish.h"
2583# else
2584# include "dosish.h"
2585# endif
2586# define ISHISH "dos"
2587#endif
2588
2589#if defined(VMS)
748a9306 2590# include "vmsish.h"
19848b3f
JH
2591# define ISHISH "vms"
2592#endif
2593
2594#if defined(PLAN9)
2595# include "./plan9/plan9ish.h"
2596# define ISHISH "plan9"
2597#endif
2598
2599#if defined(MPE)
2600# include "mpeix/mpeixish.h"
2601# define ISHISH "mpeix"
2602#endif
2603
2604#if defined(__VOS__)
196918b0
PG
2605# ifdef __GNUC__
2606# include "./vos/vosish.h"
2607# else
2608# include "vos/vosish.h"
2609# endif
19848b3f
JH
2610# define ISHISH "vos"
2611#endif
2612
2613#if defined(EPOC)
2614# include "epocish.h"
2615# define ISHISH "epoc"
2616#endif
2617
9969cdde 2618#ifdef __SYMBIAN32__
27da23d5 2619# include "symbian/symbianish.h"
27da23d5
JH
2620# define ISHISH "symbian"
2621#endif
2622
19848b3f 2623
df00ff3b
IW
2624#if defined(__HAIKU__)
2625# include "haiku/haikuish.h"
2626# define ISHISH "haiku"
2627#elif defined(__BEOS__)
efca5cc6
JH
2628# include "beos/beosish.h"
2629# define ISHISH "beos"
2630#endif
2631
19848b3f
JH
2632#ifndef ISHISH
2633# include "unixish.h"
2634# define ISHISH "unix"
13b6e58c
JH
2635#endif
2636
2946a158
JH
2637/* NSIG logic from Configure --> */
2638/* Strange style to avoid deeply-nested #if/#else/#endif */
2639#ifndef NSIG
2640# ifdef _NSIG
2641# define NSIG (_NSIG)
2642# endif
2643#endif
2644
2645#ifndef NSIG
2646# ifdef SIGMAX
2647# define NSIG (SIGMAX+1)
2648# endif
2649#endif
2650
2651#ifndef NSIG
2652# ifdef SIG_MAX
2653# define NSIG (SIG_MAX+1)
2654# endif
2655#endif
2656
2657#ifndef NSIG
2658# ifdef _SIG_MAX
2659# define NSIG (_SIG_MAX+1)
2660# endif
2661#endif
2662
2663#ifndef NSIG
2664# ifdef MAXSIG
2665# define NSIG (MAXSIG+1)
2666# endif
2667#endif
2668
2669#ifndef NSIG
2670# ifdef MAX_SIG
2671# define NSIG (MAX_SIG+1)
2672# endif
2673#endif
2674
2675#ifndef NSIG
2676# ifdef SIGARRAYSIZE
2677# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2678# endif
2679#endif
2680
2681#ifndef NSIG
2682# ifdef _sys_nsig
2683# define NSIG (_sys_nsig) /* Solaris 2.5 */
2684# endif
2685#endif
2686
2687/* Default to some arbitrary number that's big enough to get most
2688 of the common signals.
2689*/
2690#ifndef NSIG
2691# define NSIG 50
2692#endif
2693/* <-- NSIG logic from Configure */
2694
13b6e58c
JH
2695#ifndef NO_ENVIRON_ARRAY
2696# define USE_ENVIRON_ARRAY
2697#endif
32f822de 2698
c77b533b
JH
2699/*
2700 * initialise to avoid floating-point exceptions from overflow, etc
2701 */
2702#ifndef PERL_FPU_INIT
2703# ifdef HAS_FPSETMASK
2704# if HAS_FLOATINGPOINT_H
2705# include <floatingpoint.h>
2706# endif
ad3a8c67
NC
2707/* Some operating systems have this as a macro, which in turn expands to a comma
2708 expression, and the last sub-expression is something that gets calculated,
2709 and then they have the gall to warn that a value computed is not used. Hence
2710 cast to void. */
2711# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2712# else
2f42fcb0 2713# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2714# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS
2715# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2716# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2717# else
2718# define PERL_FPU_INIT
2f42fcb0 2719
7014c407 2720# endif
c77b533b
JH
2721# endif
2722#endif
b35112e7
CS
2723#ifndef PERL_FPU_PRE_EXEC
2724# define PERL_FPU_PRE_EXEC {
2725# define PERL_FPU_POST_EXEC }
2726#endif
c77b533b 2727
cbec8ebe
DM
2728#ifndef PERL_SYS_INIT3_BODY
2729# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ
2730#endif
2731
eb533572
DM
2732/*
2733=for apidoc Am|void|PERL_SYS_INIT|int argc|char** argv
2734Provides system-specific tune up of the C runtime environment necessary to
2735run Perl interpreters. This should be called only once, before creating
2736any Perl interpreters.
2737
2738=for apidoc Am|void|PERL_SYS_INIT3|int argc|char** argv|char** env
2739Provides system-specific tune up of the C runtime environment necessary to
2740run Perl interpreters. This should be called only once, before creating
2741any Perl interpreters.
2742
2743=for apidoc Am|void|PERL_SYS_TERM|
2744Provides system-specific clean up of the C runtime environment after
2745running Perl interpreters. This should be called only once, after
2746freeing any remaining Perl interpreters.
2747
2748=cut
2749 */
2750
cbec8ebe
DM
2751#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2752#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2753#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2754
be708cc0
JH
2755#ifndef PERL_WRITE_MSG_TO_CONSOLE
2756# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2757#endif
2758
0f31cffe
GS
2759#ifndef MAXPATHLEN
2760# ifdef PATH_MAX
b990c8b2
JH
2761# ifdef _POSIX_PATH_MAX
2762# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2763/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2764 * included the null byte or not. Later amendments of POSIX,
2765 * XPG4, the Austin Group, and the Single UNIX Specification
2766 * all explicitly include the null byte in the PATH_MAX.
2767 * Ditto for _POSIX_PATH_MAX. */
2768# define MAXPATHLEN PATH_MAX
b990c8b2 2769# else
09448d78 2770# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2771# endif
2772# else
2773# define MAXPATHLEN (PATH_MAX+1)
2774# endif
0f31cffe 2775# else
d552bce8 2776# define MAXPATHLEN 1024 /* Err on the large side. */
0f31cffe
GS
2777# endif
2778#endif
2779
c80263a8
SH
2780/* In case Configure was not used (we are using a "canned config"
2781 * such as Win32, or a cross-compilation setup, for example) try going
2782 * by the gcc major and minor versions. One useful URL is
2783 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2784 * but contrary to this information warn_unused_result seems
2785 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD
2786 * Also, when building extensions with an installed perl, this allows
2787 * the user to upgrade gcc and get the right attributes, rather than
2788 * relying on the list generated at Configure time. --AD
c80263a8
SH
2789 * Set these up now otherwise we get confused when some of the <*thread.h>
2790 * includes below indirectly pull in <perlio.h> (which needs to know if we
2791 * have HASATTRIBUTE_FORMAT).
2792 */
2793
4d7c7898 2794#ifndef PERL_MICRO
fc2007d4 2795#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS
2796# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2797# define HASATTRIBUTE_DEPRECATED
2798# endif
c80263a8
SH
2799# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2800# define HASATTRIBUTE_FORMAT
63cdf24b
SH
2801# if defined __MINGW32__
2802# define PRINTF_FORMAT_NULL_OK
2803# endif
c80263a8
SH
2804# endif
2805# if __GNUC__ >= 3 /* 3.0 -> */
2806# define HASATTRIBUTE_MALLOC
2807# endif
2808# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2809# define HASATTRIBUTE_NONNULL
2810# endif
2811# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2812# define HASATTRIBUTE_NORETURN
2813# endif
2814# if __GNUC__ >= 3 /* gcc 3.0 -> */
2815# define HASATTRIBUTE_PURE
2816# endif
42bf5550 2817# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH
2818# define HASATTRIBUTE_UNUSED
2819# endif
d324fe49
AD
2820# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2821# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2822# endif
c80263a8
SH
2823# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2824# define HASATTRIBUTE_WARN_UNUSED_RESULT
2825# endif
2826#endif
00f254e2 2827#endif /* #ifndef PERL_MICRO */
c80263a8 2828
3db8f154 2829/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2830 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2831 * this results in many functions being undeclared which bothers C++
2832 * May make sense to have threads after "*ish.h" anyway
2833 */
2834
3db8f154 2835#if defined(USE_ITHREADS)
2986a63f
JH
2836# ifdef NETWARE
2837# include <nw5thread.h>
2838# else
32f822de
GS
2839# ifdef FAKE_THREADS
2840# include "fakethr.h"
2841# else
2842# ifdef WIN32
2843# include <win32thread.h>
2844# else
dd96f567
IZ
2845# ifdef OS2
2846# include "os2thread.h"
2847# else
7f3d1cf1 2848# ifdef I_MACH_CTHREADS
bdd66968 2849# include <mach/cthreads.h>
8f1f23e8 2850# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2851# define MUTEX_INIT_CALLS_MALLOC
2852# endif
7f3d1cf1
BH
2853typedef cthread_t perl_os_thread;
2854typedef mutex_t perl_mutex;
2855typedef condition_t perl_cond;
2856typedef void * perl_key;
2857# else /* Posix threads */
1f5ae88c
JH
2858# ifdef I_PTHREAD
2859# include <pthread.h>
2860# endif
7f3d1cf1
BH
2861typedef pthread_t perl_os_thread;
2862typedef pthread_mutex_t perl_mutex;
2863typedef pthread_cond_t perl_cond;
2864typedef pthread_key_t perl_key;
2865# endif /* I_MACH_CTHREADS */
dd96f567 2866# endif /* OS2 */
32f822de
GS
2867# endif /* WIN32 */
2868# endif /* FAKE_THREADS */
2986a63f 2869#endif /* NETWARE */
3db8f154 2870#endif /* USE_ITHREADS */
c5be433b 2871
66a93824 2872#if defined(WIN32)
1feb2720 2873# include "win32.h"
c5be433b
GS
2874#endif
2875
2986a63f
JH
2876#ifdef NETWARE
2877# include "netware.h"
2878#endif
2879
e5218da5 2880#define STATUS_UNIX PL_statusvalue
68dc0745 2881#ifdef VMS
6b88bc9c 2882# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM
2883/*
2884 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2885 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM
2886 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2887 * be updated also.
2888 */
2889# include <stsdef.h>
2890# include <ssdef.h>
2891/* Presume this because if VMS changes it, it will require a new
2892 * set of APIs for waiting on children for binary compatibility.
2893 */
2894# define child_offset_bits (8)
2895# ifndef C_FAC_POSIX
2896# define C_FAC_POSIX 0x35A000
2897# endif
2898
2899/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2900 * platform from the existing UNIX or Native status values.
2901 */
2902
37038d91 2903# define STATUS_EXIT \
7a7fd8e0
JM
2904 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2905 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2906
7a7fd8e0 2907
fb38d079
JM
2908/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2909 * exit code and shifts the UNIX value over the correct number of bits to
2910 * be a child status. Usually the number of bits is 8, but that could be
2911 * platform dependent. The NATIVE status code is presumed to have either
2912 * from a child process.
7a7fd8e0
JM
2913 */
2914
fb38d079
JM
2915/* This is complicated. The child processes return a true native VMS
2916 status which must be saved. But there is an assumption in Perl that
2917 the UNIX child status has some relationship to errno values, so
00f254e2 2918 Perl tries to translate it to text in some of the tests.
fb38d079
JM
2919 In order to get the string translation correct, for the error, errno
2920 must be EVMSERR, but that generates a different text message
2921 than what the test programs are expecting. So an errno value must
2922 be derived from the native status value when an error occurs.
2923 That will hide the true native status message. With this version of
2924 perl, the true native child status can always be retrieved so that
2925 is not a problem. But in this case, Pl_statusvalue and errno may
2926 have different values in them.
2927 */
7a7fd8e0 2928
fb38d079 2929# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2930 STMT_START { \
2fbb330f
JM
2931 I32 evalue = (I32)n; \
2932 if (evalue == EVMSERR) { \
2933 PL_statusvalue_vms = vaxc$errno; \
2934 PL_statusvalue = evalue; \
7a7fd8e0 2935 } else { \
2fbb330f 2936 PL_statusvalue_vms = evalue; \
fb38d079 2937 if (evalue == -1) { \
3280af22 2938 PL_statusvalue = -1; \
7a7fd8e0
JM
2939 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2940 } else \
fb38d079 2941 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2942 set_vaxc_errno(evalue); \
fb38d079
JM
2943 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2944 set_errno(EVMSERR); \
2945 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2946 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2947 } \
68dc0745 2948 } STMT_END
7a7fd8e0 2949
68dc0745 2950# ifdef VMSISH_STATUS
e5218da5 2951# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2952# else
e5218da5 2953# define STATUS_CURRENT STATUS_UNIX
68dc0745 2954# endif
7a7fd8e0
JM
2955
2956 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2957 * the NATIVE status to an equivalent value. Can not be used to translate
2958 * exit code values as exit code values are not guaranteed to have any
2959 * relationship at all to errno values.
2960 * This is used when Perl is forcing errno to have a specific value.
2961 */
e5218da5 2962# define STATUS_UNIX_SET(n) \
68dc0745 2963 STMT_START { \
7a7fd8e0 2964 I32 evalue = (I32)n; \
0968cdad 2965 PL_statusvalue = evalue; \
3280af22 2966 if (PL_statusvalue != -1) { \
0968cdad
JM
2967 if (PL_statusvalue != EVMSERR) { \
2968 PL_statusvalue &= 0xFFFF; \
2969 if (MY_POSIX_EXIT) \
2970 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2971 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2972 } \
2973 else { \
2974 PL_statusvalue_vms = vaxc$errno; \
2975 } \
68dc0745 2976 } \
0968cdad
JM
2977 else PL_statusvalue_vms = SS$_ABORT; \
2978 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM
2979 } STMT_END
2980
2981 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM
2982 * the NATIVE error status based on it.
2983 *
2984 * When in the default mode to comply with the Perl VMS documentation,
2985 * 0 is a success and any other code sets the NATIVE status to a failure
2986 * code of SS$_ABORT.
fb38d079
JM
2987 *
2988 * In the new POSIX EXIT mode, native status will be set so that the
2989 * actual exit code will can be retrieved by the calling program or
2990 * shell.
2991 *
2992 * If the exit code is not clearly a UNIX parent or child exit status,
2993 * it will be passed through as a VMS status.
7a7fd8e0
JM
2994 */
2995
fb38d079 2996# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM
2997 STMT_START { \
2998 I32 evalue = (I32)n; \
2999 PL_statusvalue = evalue; \
e08e1e1d
JM
3000 if (MY_POSIX_EXIT) { \
3001 if (evalue <= 0xFF00) { \
3002 if (evalue > 0xFF) \
3003 evalue = (evalue >> child_offset_bits) & 0xFF; \
3004 PL_statusvalue_vms = \
3005 (C_FAC_POSIX | (evalue << 3 ) | \
3006 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
3007 } else /* forgive them Perl, for they have sinned */ \
3008 PL_statusvalue_vms = evalue; \
3009 } else { \
3010 if (evalue == 0) \
3011 PL_statusvalue_vms = SS$_NORMAL; \
3012 else if (evalue <= 0xFF00) \
3013 PL_statusvalue_vms = SS$_ABORT; \
3014 else { /* forgive them Perl, for they have sinned */ \
3015 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3016 else PL_statusvalue_vms = vaxc$errno; \
3017 /* And obviously used a VMS status value instead of UNIX */ \
3018 PL_statusvalue = EVMSERR; \
3019 } \
3020 set_vaxc_errno(PL_statusvalue_vms); \
3021 } \
68dc0745 3022 } STMT_END
fb38d079 3023
e08e1e1d 3024
6ac6a52b
JM
3025 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3026 * and sets the NATIVE error status based on it. This special case
3027 * is needed to maintain compatibility with past VMS behavior.
3028 *
3029 * In the default mode on VMS, this number is passed through as
3030 * both the NATIVE and UNIX status. Which makes it different
3031 * that the STATUS_UNIX_EXIT_SET.
3032 *
3033 * In the new POSIX EXIT mode, native status will be set so that the
3034 * actual exit code will can be retrieved by the calling program or
3035 * shell.
3036 *
1a3aec58
JM
3037 * A POSIX exit code is from 0 to 255. If the exit code is higher
3038 * than this, it needs to be assumed that it is a VMS exit code and
3039 * passed through.
6ac6a52b
JM
3040 */
3041
3042# define STATUS_EXIT_SET(n) \
3043 STMT_START { \
3044 I32 evalue = (I32)n; \
3045 PL_statusvalue = evalue; \
3046 if (MY_POSIX_EXIT) \
1a3aec58
JM
3047 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3048 PL_statusvalue_vms = \
3049 (C_FAC_POSIX | (evalue << 3 ) | \
3050 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM
3051 else \
3052 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3053 set_vaxc_errno(PL_statusvalue_vms); \
3054 } STMT_END
3055
fb38d079
JM
3056
3057 /* This macro forces a success status */
7a7fd8e0
JM
3058# define STATUS_ALL_SUCCESS \
3059 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM
3060
3061 /* This macro forces a failure status */
7a7fd8e0
JM
3062# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3063 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3064 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3065
68dc0745 3066#else
e5218da5 3067# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3068# if defined(WCOREDUMP)
37038d91 3069# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
3070 STMT_START { \
3071 PL_statusvalue_posix = (n); \
3072 if (PL_statusvalue_posix == -1) \
3073 PL_statusvalue = -1; \
3074 else { \
3075 PL_statusvalue = \
3076 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3077 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3078 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3079 } \
3080 } STMT_END
3081# elif defined(WIFEXITED)
37038d91 3082# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
3083 STMT_START { \
3084 PL_statusvalue_posix = (n); \
3085 if (PL_statusvalue_posix == -1) \
3086 PL_statusvalue = -1; \
3087 else { \
3088 PL_statusvalue = \
3089 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3090 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3091 } \
3092 } STMT_END
3093# else
37038d91 3094# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
3095 STMT_START { \
3096 PL_statusvalue_posix = (n); \
3097 if (PL_statusvalue_posix == -1) \
3098 PL_statusvalue = -1; \
3099 else { \
3100 PL_statusvalue = \
3101 PL_statusvalue_posix & 0xFFFF; \
3102 } \
3103 } STMT_END
3104# endif
3105# define STATUS_UNIX_SET(n) \
68dc0745 3106 STMT_START { \
3280af22
NIS
3107 PL_statusvalue = (n); \
3108 if (PL_statusvalue != -1) \
3109 PL_statusvalue &= 0xFFFF; \
68dc0745 3110 } STMT_END
7a7fd8e0 3111# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3112# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3113# define STATUS_CURRENT STATUS_UNIX
37038d91 3114# define STATUS_EXIT STATUS_UNIX
e5218da5
GA
3115# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3116# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP
3117#endif
3118
cc3604b1
GS
3119/* flags in PL_exit_flags for nature of exit() */
3120#define PERL_EXIT_EXPECTED 0x01
31d77e54 3121#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3122
b79b76e0 3123#ifndef PERL_CORE
a7cb1f99 3124/* format to use for version numbers in file/directory names */
273cf8d1 3125/* XXX move to Configure? */
b79b76e0
NC
3126/* This was only ever used for the current version, and that can be done at
3127 compile time, as PERL_FS_VERSION, so should we just delete it? */
3128# ifndef PERL_FS_VER_FMT
3129# define PERL_FS_VER_FMT "%d.%d.%d"
3130# endif
3131#endif
3132
3133#ifndef PERL_FS_VERSION
3134# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS
3135#endif
3136
45bc9206 3137/* This defines a way to flush all output buffers. This may be a
76549fef
JH
3138 * performance issue, so we allow people to disable it. Also, if
3139 * we are using stdio, there are broken implementations of fflush(NULL)
3140 * out there, Solaris being the most prominent.
45bc9206
GS
3141 */
3142#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3143# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3144# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
3145# else
3146# ifdef FFLUSH_ALL
3147# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3148# else
c5be433b 3149# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3150# endif
66fe083f 3151# endif
45bc9206
GS
3152#endif
3153
7766f137
GS
3154#ifndef PERL_WAIT_FOR_CHILDREN
3155# define PERL_WAIT_FOR_CHILDREN NOOP
3156#endif
3157
ba869deb 3158/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
3159#ifndef PERL_SET_INTERP
3160# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3161#endif
3162
3163#ifndef PERL_GET_INTERP
3164# define PERL_GET_INTERP (PL_curinterp)
3165#endif
3166
54aff467 3167#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3168# ifdef MULTIPLICITY
ba869deb 3169# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3170# endif
ba869deb
GS
3171# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3172#endif
3173
00f254e2 3174/*
8896765a 3175 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3176 All that is required is that the perl source does not
00f254e2
KW
3177 use "%-p" or "%-<number>p" or "%<number>p" formats.
3178 These formats will still work in perl code.
486ec47a 3179 See comments in sv.c for further details.
8896765a 3180
8896765a 3181 Robin Barker 2005-07-14
f46d31f2 3182
00f254e2 3183 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3184*/
8896765a
RB
3185
3186#ifndef SVf_
63ce7bf0 3187# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS
3188#endif
3189
8896765a 3190#ifndef SVf
104abab4 3191# define SVf "-p"
d2560b70
RB
3192#endif
3193
014ead4b 3194#ifndef SVf32
8896765a 3195# define SVf32 SVf_(32)
014ead4b
RB
3196#endif
3197
3198#ifndef SVf256
8896765a
RB
3199# define SVf256 SVf_(256)
3200#endif
3201
be2597df
MHM
3202#define SVfARG(p) ((void*)(p))
3203
20023040
FC
3204#ifndef HEKf
3205# define HEKf "2p"
3206#endif
3207
b8fa5213
FC
3208/* Not ideal, but we cannot easily include a number in an already-numeric
3209 * format sequence. */
3210#ifndef HEKf256
3211# define HEKf256 "3p"
3212#endif
3213
20023040
FC
3214#define HEKfARG(p) ((void*)(p))
3215
f46d31f2 3216#ifdef PERL_CORE
486ec47a 3217/* not used; but needed for backward compatibility with XS code? - RMB */
f46d31f2
RB
3218# undef VDf
3219#else
3220# ifndef VDf
8896765a
RB
3221# define VDf "vd"
3222# endif
014ead4b 3223#endif
170cd9e9
NC
3224
3225#ifdef PERL_CORE
486ec47a 3226/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB
3227# undef UVf
3228#else
170cd9e9
NC
3229# ifndef UVf
3230# define UVf UVuf
3231# endif
d2560b70
RB
3232#endif
3233
fcdf39cf
RGS
3234#ifdef HASATTRIBUTE_DEPRECATED
3235# define __attribute__deprecated__ __attribute__((deprecated))
3236#endif
0dbb1585
AL
3237#ifdef HASATTRIBUTE_FORMAT
3238# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3239#endif
3240#ifdef HASATTRIBUTE_MALLOC
77785eea 3241# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3242#endif
0dbb1585 3243#ifdef HASATTRIBUTE_NONNULL
abb2c242 3244# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3245#endif
0dbb1585 3246#ifdef HASATTRIBUTE_NORETURN
abb2c242 3247# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3248#endif
0dbb1585 3249#ifdef HASATTRIBUTE_PURE
abb2c242 3250# define __attribute__pure__ __attribute__((pure))
f22be1b8 3251#endif
0dbb1585
AL
3252#ifdef HASATTRIBUTE_UNUSED
3253# define __attribute__unused__ __attribute__((unused))
3254#endif
3255#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3256# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
3257#endif
3258
0dbb1585 3259/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS
3260#ifndef __attribute__deprecated__
3261# define __attribute__deprecated__
3262#endif
0dbb1585
AL
3263#ifndef __attribute__format__
3264# define __attribute__format__(x,y,z)
3265#endif
f22be1b8 3266#ifndef __attribute__malloc__
abb2c242 3267# define __attribute__malloc__
f22be1b8
JH
3268#endif
3269#ifndef __attribute__nonnull__
abb2c242 3270# define __attribute__nonnull__(a)
f22be1b8
JH
3271#endif
3272#ifndef __attribute__noreturn__
abb2c242 3273# define __attribute__noreturn__
f22be1b8
JH
3274#endif
3275#ifndef __attribute__pure__
abb2c242 3276# define __attribute__pure__
f22be1b8 3277#endif
0dbb1585
AL
3278#ifndef __attribute__unused__
3279# define __attribute__unused__
3280#endif
f22be1b8 3281#ifndef __attribute__warn_unused_result__
abb2c242
JH
3282# define __attribute__warn_unused_result__
3283#endif
3284
0dbb1585
AL
3285/* For functions that are marked as __attribute__noreturn__, it's not
3286 appropriate to call return. In either case, include the lint directive.
3287 */
3288#ifdef HASATTRIBUTE_NORETURN
118e2215 3289# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */
0dbb1585 3290#else
118e2215 3291# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */ return 0
abb2c242
JH
3292#endif
3293
cdfeb707
RB
3294/* Some OS warn on NULL format to printf */
3295#ifdef PRINTF_FORMAT_NULL_OK
3296# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3297#else
00f254e2 3298# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB
3299#endif
3300
635aebb7 3301#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL
3302# define EXPECT(expr,val) __builtin_expect(expr,val)
3303#else
3304# define EXPECT(expr,val) (expr)
3305#endif
3306#define LIKELY(cond) EXPECT(cond,1)
3307#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL
3308#ifdef HAS_BUILTIN_CHOOSE_EXPR
3309/* placeholder */
3310#endif
b37c2d43 3311
3fc1aec6
PP
3312/* Some unistd.h's give a prototype for pause() even though
3313 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3314 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
3315*/
3316#ifdef HAS_PAUSE
3317#define Pause pause
3318#else
3319#define Pause() sleep((32767<<16)+32767)
748a9306
LW
3320#endif
3321
3322#ifndef IOCPARM_LEN
3323# ifdef IOCPARM_MASK
61f1c44b 3324 /* on BSDish systems we're safe */
748a9306
LW
3325# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3326# else
61f1c44b 3327# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA
3328 /* on Linux systems we're safe; except when we're not [perl #38223] */
3329# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3330# else
748a9306 3331 /* otherwise guess at what's safe */
61f1c44b
JVD
3332# define IOCPARM_LEN(x) 256
3333# endif
748a9306 3334# endif
a0d0e21e
LW
3335#endif
3336
1761cee5 3337#if defined(__CYGWIN__)
521e0776
GS
3338/* USEMYBINMODE
3339 * This symbol, if defined, indicates that the program should
16fe6d59 3340 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
3341 * that a file is in "binary" mode -- that is, that no translation
3342 * of bytes occurs on read or write operations.
3343 */
36894f0b 3344# define USEMYBINMODE /**/
77a40698 3345# include <io.h> /* for setmode() prototype */
16fe6d59 3346# define my_binmode(fp, iotype, mode) \
77a40698 3347 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
3348#endif
3349
88d10794
JH
3350#ifdef __CYGWIN__
3351void init_os_extras(void);
3352#endif
3353
cea2e8a9
GS
3354#ifdef UNION_ANY_DEFINITION
3355UNION_ANY_DEFINITION;
3356#else
3357union any {
3358 void* any_ptr;
3359 I32 any_i32;
3360 IV any_iv;
c6bf6a65 3361 UV any_uv;
cea2e8a9 3362 long any_long;
9febdf04 3363 bool any_bool;
c76ac1ee 3364 void (*any_dptr) (void*);
acfe0abc 3365 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
3366};
3367#endif
3368
acfe0abc 3369typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
3370
3371#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM
3372#define FILTER_DATA(idx) \
3373 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3374#define FILTER_ISREADER(idx) \
3375 (PL_parser && PL_parser->rsfp_filters \
3376 && idx >= AvFILLp(PL_parser->rsfp_filters))
3377#define PERL_FILTER_EXISTS(i) \
3378 (PL_parser && PL_parser->rsfp_filters \
3379 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3380
c5078cac
JH
3381#if defined(_AIX) && !defined(_AIX43)
3382#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3383/* We cannot include <crypt.h> to get the struct crypt_data
3384 * because of setkey prototype problems when threading */
3385typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3386 /* From OSF, Not needed in AIX
3387 char C[28], D[28];
3388 */
3389 char E[48];
3390 char KS[16][48];
3391 char block[66];
3392 char iobuf[16];
3393} CRYPTD;
3394#endif /* threading */
3395#endif /* AIX */
3396
e37778c2 3397#if !defined(OS2)
2c2d71f5
JH
3398# include "iperlsys.h"
3399#endif
504f80c1 3400
9c12f1e5 3401#ifdef __LIBCATAMOUNT__
00f254e2 3402#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS
3403#undef HAS_GROUP
3404#define FAKE_BIT_BUCKET
3405#endif
3406
d10dc2ae
JH
3407/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3408 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3409 * defined by Configure, despite their names being similar to the
3410 * other defines like USE_ITHREADS. Configure in fact knows nothing
3411 * about the randomised hashes. Therefore to enable/disable the hash
3412 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3413#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3414# define USE_HASH_SEED
504f80c1
JH
3415#endif
3416
598921a7
NC
3417/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3418 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3419 * it's not really needed.
3420 */
3421#if defined(WIN32)
3422# define YYTOKENTYPE
3423#endif
3424#include "perly.h"
3425
3426#ifdef PERL_MAD
3427struct nexttoken {
3428 YYSTYPE next_val; /* value of next token, if any */
3429 I32 next_type; /* type of next token */
3430 MADPROP *next_mad; /* everything else about that token */
3431};
3432#endif
3433
654eccd5
JD
3434/* macros to define bit-fields in structs. */
3435#ifndef PERL_BITFIELD8
3436# define PERL_BITFIELD8 unsigned
3437#endif
3438#ifndef PERL_BITFIELD16
3439# define PERL_BITFIELD16 unsigned
3440#endif
3441#ifndef PERL_BITFIELD32
3442# define PERL_BITFIELD32 unsigned
3443#endif
3444
79072805 3445#include "sv.h"
288b8c02 3446#include "regexp.h"
378cc40b 3447#include "util.h"
8d063cd8 3448#include "form.h"
79072805 3449#include "gv.h"
dd2155a4 3450#include "pad.h"
79072805 3451#include "cv.h"
abdd5c84 3452#include "opnames.h"
79072805 3453#include "op.h"
b3ca2e83 3454#include "hv.h"
79072805
LW
3455#include "cop.h"
3456#include "av.h"
79072805
LW
3457#include "mg.h"
3458#include "scope.h"
4438c4b7 3459#include "warnings.h"
a0ed51b3 3460#include "utf8.h"
8d063cd8 3461
0d7d409d
DM
3462/* these would be in doio.h if there was such a file */
3463#define my_stat() my_stat_flags(SV_GMAGIC)
3464#define my_lstat() my_lstat_flags(SV_GMAGIC)
3465
20f4945e 3466/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM
3467#undef _XPV_HEAD
3468#undef _XPVMG_HEAD
3469#undef _XPVCV_COMMON
7fae4e64
GS
3470
3471typedef struct _sublex_info SUBLEXINFO;
3472struct _sublex_info {
651b5b28
NC
3473 U8 super_state; /* lexer state to save */
3474 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3475 OP *sub_op; /* "lex_op" to use */
f06b5848
DM
3476 char *super_bufptr; /* PL_parser->bufptr that was */
3477 char *super_bufend; /* PL_parser->bufend that was */
9da1dd8f 3478 char *re_eval_start;/* start of "(?{..." text */
7fae4e64
GS
3479};
3480
199e78b7
DM
3481#include "parser.h"
3482
455ece5e 3483typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3484
2c2d71f5 3485struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3486struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3487
5f7fde29
GS
3488struct ptr_tbl_ent {
3489 struct ptr_tbl_ent* next;
53c1dcc0 3490 const void* oldval;
5f7fde29 3491 void* newval;
d18c6117
GS
3492};
3493
5f7fde29
GS
3494struct ptr_tbl {
3495 struct ptr_tbl_ent** tbl_ary;
3496 UV tbl_max;
3497 UV tbl_items;
db93c0c4
NC
3498 struct ptr_tbl_arena *tbl_arena;
3499 struct ptr_tbl_ent *tbl_arena_next;
3500 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS
3501};
3502
450a55e4 3503#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW
3504# define I286
3505#endif
3506
fe14fcc3
LW
3507#if defined(htonl) && !defined(HAS_HTONL)
3508#define HAS_HTONL
ae986130 3509#endif
fe14fcc3
LW
3510#if defined(htons) && !defined(HAS_HTONS)
3511#define HAS_HTONS
ae986130 3512#endif
fe14fcc3
LW
3513#if defined(ntohl) && !defined(HAS_NTOHL)
3514#define HAS_NTOHL
ae986130 3515#endif
fe14fcc3
LW
3516#if defined(ntohs) && !defined(HAS_NTOHS)
3517#define HAS_NTOHS
ae986130 3518#endif
fe14fcc3 3519#ifndef HAS_HTONL
d9d8d8de 3520#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW
3521#define HAS_HTONS
3522#define HAS_HTONL
3523#define HAS_NTOHS
3524#define HAS_NTOHL
a687059c
LW
3525#define MYSWAP
3526#define htons my_swap
3527#define htonl my_htonl
3528#define ntohs my_swap
3529#define ntohl my_ntohl
3530#endif
3531#else
d9d8d8de 3532#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW
3533#undef HAS_HTONS
3534#undef HAS_HTONL
3535#undef HAS_NTOHS
3536#undef HAS_NTOHL
a687059c
LW
3537#endif
3538#endif
3539
988174c1
LW
3540/*
3541 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3542 * -DWS
3543 */
3544#if BYTEORDER != 0x1234
3545# define HAS_VTOHL
3546# define HAS_VTOHS
3547# define HAS_HTOVL
3548# define HAS_HTOVS
c67712b2 3549# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
3550# define vtohl(x) ((((x)&0xFF)<<24) \
3551 +(((x)>>24)&0xFF) \
3552 +(((x)&0x0000FF00)<<8) \
3553 +(((x)&0x00FF0000)>>8) )
3554# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3555# define htovl(x) vtohl(x)
3556# define htovs(x) vtohs(x)
3557# endif
3558 /* otherwise default to functions in util.c */
2a8c3029 3559#ifndef htovs
c623ac67
GS
3560short htovs(short n);
3561short vtohs(short n);
3562long htovl(long n);
3563long vtohl(long n);
988174c1 3564#endif
2a8c3029 3565#endif
988174c1 3566
3bb7c1b4
JH
3567/* *MAX Plus 1. A floating point value.
3568 Hopefully expressed in a way that dodgy floating point can't mess up.
3569 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3570 is added to it
3571 May find that some broken compiler will want the value cast to I32.
3572 [after the shift, as signed >> may not be as secure as unsigned >>]
3573*/
3574#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3575#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3576/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3577 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3578 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3579*/
3580#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3581
3bb7c1b4
JH
3582#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3583#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3584#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3585
3586/* This may look like unnecessary jumping through hoops, but converting
3587 out of range floating point values to integers *is* undefined behaviour,
3588 and it is starting to bite.
3589*/
3590#ifndef CAST_INLINE
65202027 3591#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3592#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
3593#define I_V(what) (cast_iv((NV)(what)))
3594#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
3595#else
3596#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3597 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3598 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3599#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3600 : ((n) < U32_MAX_P1 ? (U32) (n) \
3601 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3602#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3603 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3604 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3605#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3606 : ((n) < UV_MAX_P1 ? (UV) (n) \
3607 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3608#endif
3609
3610#define U_S(what) ((U16)U_32(what))
3611#define U_I(what) ((unsigned int)U_32(what))
3612#define U_L(what) U_32(what)
ed6116ce 3613
ed140128
AD
3614#ifdef HAS_SIGNBIT
3615# define Perl_signbit signbit
3616#endif
3617
2d4389e4
JH
3618/* These do not care about the fractional part, only about the range. */
3619#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3620#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3621
25da4f38
IZ
3622/* Used with UV/IV arguments: */
3623 /* XXXX: need to speed it up */
3624#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3625#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3626
352d5a3a
LW
3627#ifndef MAXSYSFD
3628# define MAXSYSFD 2
3629#endif
ee0007ab 3630
79072805 3631#ifndef __cplusplus
27da23d5 3632#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
3633Uid_t getuid (void);
3634Uid_t geteuid (void);
3635Gid_t getgid (void);
3636Gid_t getegid (void);
79072805 3637#endif
e1caacb4 3638#endif
8d063cd8 3639
0c30d9ec 3640#ifndef Perl_debug_log
bf49b057
GS
3641# define Perl_debug_log PerlIO_stderr()
3642#endif
3643
3644#ifndef Perl_error_log
3645# define Perl_error_log (PL_stderrgv \
6b78add2 3646 && isGV(PL_stderrgv) \
01bb7c6d 3647 && GvIOp(PL_stderrgv) \
42de951c 3648 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
3649 ? IoOFP(GvIOp(PL_stderrgv)) \
3650 : PerlIO_stderr())
0c30d9ec 3651#endif
3967c732 3652
aea4f609
DM
3653
3654#define DEBUG_p_FLAG 0x00000001 /* 1 */
3655#define DEBUG_s_FLAG 0x00000002 /* 2 */
3656#define DEBUG_l_FLAG 0x00000004 /* 4 */
3657#define DEBUG_t_FLAG 0x00000008 /* 8 */
3658#define DEBUG_o_FLAG 0x00000010 /* 16 */
3659#define DEBUG_c_FLAG 0x00000020 /* 32 */
3660#define DEBUG_P_FLAG 0x00000040 /* 64 */
3661#define DEBUG_m_FLAG 0x00000080 /* 128 */
3662#define DEBUG_f_FLAG 0x00000100 /* 256 */
3663#define DEBUG_r_FLAG 0x00000200 /* 512 */
3664#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3665#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC
3666/* U is reserved for Unofficial, exploratory hacking */
3667#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM
3668#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3669#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3670#define DEBUG_D_FLAG 0x00008000 /* 32768 */
d2c25739 3671/* 0x00010000 is unused, used to be S */
aea4f609 3672#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3673#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3674#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3675#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3676#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3677#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3678#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS
3679#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3680#define DEBUG_B_FLAG 0x02000000 /*33554432*/
3681#define DEBUG_MASK 0x03FEEFFF /* mask of all the standard flags */
aea4f609
DM
3682
3683#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
3684#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3685 that something was done? */
aea4f609 3686
bd16a5f0
IZ
3687# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3688# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3689# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3690# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3691# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3692# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3693# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3694# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3695# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3696# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3697# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3698# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3699# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ
3700# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3701# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3702# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
bd16a5f0
IZ
3703# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3704# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3705# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3706# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3707# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
3708# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3709# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3710# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3711# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3712# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3713# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3714# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3715
3967c732 3716#ifdef DEBUGGING
aea4f609 3717
bd16a5f0
IZ
3718# define DEBUG_p_TEST DEBUG_p_TEST_
3719# define DEBUG_s_TEST DEBUG_s_TEST_
3720# define DEBUG_l_TEST DEBUG_l_TEST_
3721# define DEBUG_t_TEST DEBUG_t_TEST_
3722# define DEBUG_o_TEST DEBUG_o_TEST_
3723# define DEBUG_c_TEST DEBUG_c_TEST_
3724# define DEBUG_P_TEST DEBUG_P_TEST_
3725# define DEBUG_m_TEST DEBUG_m_TEST_
3726# define DEBUG_f_TEST DEBUG_f_TEST_
3727# define DEBUG_r_TEST DEBUG_r_TEST_
3728# define DEBUG_x_TEST DEBUG_x_TEST_
3729# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3730# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ
3731# define DEBUG_H_TEST DEBUG_H_TEST_
3732# define DEBUG_X_TEST DEBUG_X_TEST_
3733# define DEBUG_D_TEST DEBUG_D_TEST_
bd16a5f0
IZ
3734# define DEBUG_T_TEST DEBUG_T_TEST_
3735# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3736# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3737# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3738# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3739# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3740# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3741# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3742# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC
3743# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3744# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3745# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3746
488b0c7a
JH
3747# define PERL_DEB(a) a
3748# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
3749# define DEBUG_p(a) if (DEBUG_p_TEST) a
3750# define DEBUG_s(a) if (DEBUG_s_TEST) a
3751# define DEBUG_l(a) if (DEBUG_l_TEST) a
3752# define DEBUG_t(a) if (DEBUG_t_TEST) a
3753# define DEBUG_o(a) if (DEBUG_o_TEST) a
3754# define DEBUG_c(a) if (DEBUG_c_TEST) a
3755# define DEBUG_P(a) if (DEBUG_P_TEST) a
3756
969058bb
VK
3757 /* Temporarily turn off memory debugging in case the a
3758 * does memory allocation, either directly or indirectly. */
acfe0abc 3759# define DEBUG_m(a) \
0b250b9e 3760 STMT_START { \
aea4f609 3761 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3762 } STMT_END
aea4f609 3763
5f80b19c
AMS
3764# define DEBUG__(t, a) \
3765 STMT_START { \
3766 if (t) STMT_START {a;} STMT_END; \
3767 } STMT_END
3768
3769# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3770#ifndef PERL_EXT_RE_BUILD
5f80b19c 3771# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO
3772#else
3773# define DEBUG_r(a) STMT_START {a;} STMT_END
3774#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS
3775# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3776# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3777# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS
3778# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3779# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3780# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC
3781# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3782# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3783# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3784
5f80b19c
AMS
3785# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3786# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3787# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3788# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC
3789# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3790# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3791# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3792# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM