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[perl #85104] TODO test for preserving $^E across signal handlers
[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
47a51902
SB		 25#ifdef VOIDUSED
26# undef VOIDUSED
00f254e2 27#endif
0cb96387 28#define VOIDUSED 1
47a51902 29
d460ef45 30#ifdef PERL_MICRO
12ae5dfc
JH		 31# include "uconfig.h"
32#else
b0f06652
VK		 33# ifndef USE_CROSS_COMPILE
34# include "config.h"
35# else
36# include "xconfig.h"
37# endif
12ae5dfc 38#endif
0cb96387 39
2c2d71f5
JH		 40/* See L<perlguts/"The Perl API"> for detailed notes on
41 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
42
ac6bedea
JH		 43/* Note that from here --> to <-- the same logic is
44 * repeated in makedef.pl, so be certain to update
45 * both places when editing. */
46
6f4183fe 47#ifdef USE_ITHREADS
acfe0abc 48# if !defined(MULTIPLICITY)
6f4183fe
GS		 49# define MULTIPLICITY
50# endif
51#endif
52
27da23d5
JH		 53#ifdef PERL_GLOBAL_STRUCT_PRIVATE
54# ifndef PERL_GLOBAL_STRUCT
55# define PERL_GLOBAL_STRUCT
56# endif
57#endif
97aff369 58
27da23d5
JH		 59#ifdef PERL_GLOBAL_STRUCT
60# ifndef MULTIPLICITY
61# define MULTIPLICITY
62# endif
63#endif
64
97aff369
JH		 65#ifdef MULTIPLICITY
66# ifndef PERL_IMPLICIT_CONTEXT
67# define PERL_IMPLICIT_CONTEXT
68# endif
69#endif
70
026fd48b
GH		 71/* undef WIN32 when building on Cygwin (for libwin32) - gph */
72#ifdef __CYGWIN__
73# undef WIN32
74# undef _WIN32
75#endif
76
27da23d5
JH		 77#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
78# ifndef SYMBIAN
79# define SYMBIAN
80# endif
81#endif
82
a0fd4948 83#ifdef __SYMBIAN32__
27da23d5
JH		 84# include "symbian/symbian_proto.h"
85#endif
86
87/* Any stack-challenged places. The limit varies (and often
88 * is configurable), but using more than a kilobyte of stack
89 * is usually dubious in these systems. */
739a0b84
NC		 90#if defined(__SYMBIAN32__)
91/* Symbian: need to work around the SDK features. *
27da23d5
JH		 92 * On WINS: MS VC5 generates calls to _chkstk, *
93 * if a "large" stack frame is allocated. *
94 * gcc on MARM does not generate calls like these. */
95# define USE_HEAP_INSTEAD_OF_STACK
96#endif
97
98#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 99/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 100#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 101# define USE_REENTRANT_API
102#endif
103
ac6bedea
JH		 104/* <--- here ends the logic shared by perl.h and makedef.pl */
105
af28e889 106/*
6239f2da
JH		 107 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
108 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 109 * __bsdi__ for BSD/OS
110 */
6239f2da 111#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 112# ifndef BSDish
113# define BSDish
114# endif
115#endif
116
cf5a8da6
MHM		 117#undef START_EXTERN_C
118#undef END_EXTERN_C
119#undef EXTERN_C
120#ifdef __cplusplus
121# define START_EXTERN_C extern "C" {
122# define END_EXTERN_C }
123# define EXTERN_C extern "C"
124#else
125# define START_EXTERN_C
126# define END_EXTERN_C
127# define EXTERN_C extern
128#endif
129
17a6c8e3
AD		 130/* Fallback definitions in case we don't have definitions from config.h.
131 This should only matter for systems that don't use Configure and
132 haven't been modified to define PERL_STATIC_INLINE yet.
133*/
134#if !defined(PERL_STATIC_INLINE)
135# ifdef HAS_STATIC_INLINE
136# define PERL_STATIC_INLINE static inline
137# else
138# define PERL_STATIC_INLINE static
139# endif
140#endif
141
27da23d5
JH		 142#ifdef PERL_GLOBAL_STRUCT
143# ifndef PERL_GET_VARS
144# ifdef PERL_GLOBAL_STRUCT_PRIVATE
cf5a8da6 145 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
27da23d5
JH		 146# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
147# ifndef PERLIO_FUNCS_CONST
148# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
149# endif
150# else
151# define PERL_GET_VARS() PL_VarsPtr
152# endif
153# endif
154#endif
155
5aaab254 156#define pVAR struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH		 157
158#ifdef PERL_GLOBAL_STRUCT
159# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
160#else
161# define dVAR dNOOP
162#endif
163
c5be433b 164#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 165# ifndef MULTIPLICITY
166# define MULTIPLICITY
c5be433b 167# endif
e8dda941 168# define tTHX PerlInterpreter*
5aaab254 169# define pTHX tTHX my_perl PERL_UNUSED_DECL
3db8f154 170# define aTHX my_perl
9399a70c 171# define aTHXa(a) aTHX = (tTHX)a
27da23d5 172# ifdef PERL_GLOBAL_STRUCT
e8dda941 173# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 174# else
e8dda941 175# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH		 176# endif
177# ifdef PERL_GLOBAL_STRUCT
178# define dTHX dVAR; pTHX = PERL_GET_THX
179# else
180# define dTHX pTHX = PERL_GET_THX
181# endif
c5be433b 182# define pTHX_ pTHX,
c5be433b 183# define aTHX_ aTHX,
4373e329 184# define pTHX_1 2
894356b3
GS		 185# define pTHX_2 3
186# define pTHX_3 4
187# define pTHX_4 5
4373e329
AL		 188# define pTHX_5 6
189# define pTHX_6 7
a3b680e6
AL		 190# define pTHX_7 8
191# define pTHX_8 9
192# define pTHX_9 10
e8dda941
JD		 193# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
194# define PERL_TRACK_MEMPOOL
195# endif
196#else
197# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 198#endif
199
76e3520e 200#define STATIC static
16c91539
BM		 201
202#ifndef PERL_CORE
203/* Do not use these macros. They were part of PERL_OBJECT, which was an
204 * implementation of multiplicity using C++ objects. They have been left
205 * here solely for the sake of XS code which has incorrectly
206 * cargo-culted them.
207 */
76e3520e 208#define CPERLscope(x) x
565764a8 209#define CPERLarg void
76e3520e 210#define CPERLarg_
e3b8966e 211#define _CPERLarg
1d583055
GS		 212#define PERL_OBJECT_THIS
213#define _PERL_OBJECT_THIS
214#define PERL_OBJECT_THIS_
312caa8e 215#define CALL_FPTR(fptr) (*fptr)
ef69c8fc 216#define MEMBER_TO_FPTR(name) name
16c91539 217#endif /* !PERL_CORE */
76e3520e 218
16c91539 219#define CALLRUNOPS PL_runops
f9f4320a 220
3ab4a224 221#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 222
16c91539 223#define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
a340edde 224#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,sv,data,flags) \
16c91539 225 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
a340edde 226 (strbeg),(minend),(sv),(data),(flags))
52a21eb3
DM		 227#define CALLREG_INTUIT_START(prog,sv,strbeg,strpos,strend,flags,data) \
228 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strbeg), (strpos), \
f9f4320a
YO		 229 (strend),(flags),(data))
230#define CALLREG_INTUIT_STRING(prog) \
16c91539 231 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
f8149455 232
f8149455
YO		 233#define CALLREGFREE(prog) \
234 Perl_pregfree(aTHX_ (prog))
235
236#define CALLREGFREE_PVT(prog) \
16c91539 237 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
f8149455 238
2fdbfb4d 239#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
16c91539 240 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
93b32b6d 241
2fdbfb4d 242#define CALLREG_NUMBUF_STORE(rx,paren,value) \
16c91539 243 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
2fdbfb4d
AB		 244
245#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
16c91539 246 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
2fdbfb4d 247
192b9cd1 248#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
16c91539 249 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
192b9cd1
AB		 250
251#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
16c91539 252 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
192b9cd1
AB		 253
254#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
16c91539 255 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB		 256
257#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
16c91539 258 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB		 259
260#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
16c91539 261 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB		 262
263#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
16c91539 264 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB		 265
266#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
16c91539 267 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB		 268
269#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
16c91539 270 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
AB		 271
272#define CALLREG_NAMED_BUFF_COUNT(rx) \
16c91539 273 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
192b9cd1
AB		 274
275#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
16c91539 276 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 277
49d7dfbc 278#define CALLREG_PACKAGE(rx) \
16c91539 279 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
93b32b6d 280
00f254e2 281#if defined(USE_ITHREADS)
f9f4320a 282#define CALLREGDUPE(prog,param) \
f8149455
YO		 283 Perl_re_dup(aTHX_ (prog),(param))
284
285#define CALLREGDUPE_PVT(prog,param) \
16c91539 286 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
00f254e2 287 : (REGEXP *)NULL)
f9f4320a 288#endif
14dd3ad8 289
a20207d7 290
bcdf7404 291
a20207d7
YO		 292
293
5ba4cab2
SH		 294/*
295 * Because of backward compatibility reasons the PERL_UNUSED_DECL
296 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
297 *
298 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 299 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 300 * marking unused variables (they need e.g. a #pragma) and therefore
301 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
302 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
303 *
304 */
1266ad8c 305
9969cdde 306#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 307# ifdef __cplusplus
5ba4cab2 308# define PERL_UNUSED_DECL
5b2bd0a5 309# else
5ba4cab2 310# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 311# endif
312#endif
44dbb695 313
5b2bd0a5 314#ifndef PERL_UNUSED_DECL
34659ad4 315# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 316# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 317# else
5ba4cab2 318# define PERL_UNUSED_DECL
b79c357a 319# endif
5b2bd0a5 320#endif
00f254e2 321
349b520e
DM		 322/* gcc -Wall:
323 * for silencing unused variables that are actually used most of the time,
a0288114 324 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 325 */
53c1dcc0 326#ifndef PERL_UNUSED_ARG
c99ffe5e 327# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 328# include <note.h>
53c1dcc0 329# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 330# else
53c1dcc0 331# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 332# endif
333#endif
53c1dcc0
AL		 334#ifndef PERL_UNUSED_VAR
335# define PERL_UNUSED_VAR(x) ((void)x)
336#endif
ad73156c 337
96a5add6
AL		 338#ifdef USE_ITHREADS
339# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
340#else
341# define PERL_UNUSED_CONTEXT
342#endif
343
6f207bd3 344#define NOOP /*EMPTY*/(void)0
bafdc25d
NC		 345/* cea2e8a9dd23747f accidentally lost the comment originally from the first
346 check in of thread.h, explaining why we need dNOOP at all: */
347/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
348/* Declaring a *function*, instead of a variable, ensures that we don't rely
349 on being able to suppress "unused" warnings. */
7db66e12
CB		 350#ifdef __cplusplus
351#define dNOOP (void)0
352#else
64a8239e 353#define dNOOP extern int Perl___notused(void)
7db66e12 354#endif
71be2cbc 355
0cb96387 356#ifndef pTHX
e8dda941
JD		 357/* Don't bother defining tTHX and sTHX; using them outside
358 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
359 */
0cb96387
GS		 360# define pTHX void
361# define pTHX_
0cb96387
GS		 362# define aTHX
363# define aTHX_
9399a70c 364# define aTHXa(a) NOOP
0cb96387
GS		 365# define dTHXa(a) dNOOP
366# define dTHX dNOOP
894356b3
GS		 367# define pTHX_1 1
368# define pTHX_2 2
369# define pTHX_3 3
370# define pTHX_4 4
3d42dc86
RGS		 371# define pTHX_5 5
372# define pTHX_6 6
a3b680e6
AL		 373# define pTHX_7 7
374# define pTHX_8 8
375# define pTHX_9 9
0cb96387
GS		 376#endif
377
27da23d5
JH		 378#ifndef dVAR
379# define dVAR dNOOP
380#endif
381
b4f7f263
GS		 382/* these are only defined for compatibility; should not be used internally */
383#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 384# define pTHXo pTHX
385# define pTHXo_ pTHX_
0cb96387
GS		 386# define aTHXo aTHX
387# define aTHXo_ aTHX_
c5be433b 388# define dTHXo dTHX
71d280e3 389# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 390#endif
391
392#ifndef pTHXx
5aaab254 393# define pTHXx PerlInterpreter *my_perl
0cb96387 394# define pTHXx_ pTHXx,
0cb96387
GS		 395# define aTHXx my_perl
396# define aTHXx_ aTHXx,
c5be433b 397# define dTHXx dTHX
22c35a8c 398#endif
71be2cbc 399
1de7c2ac
GS		 400/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
401 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
402 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
403#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 404# ifdef PERL_GLOBAL_STRUCT_PRIVATE
405# define dTHXs dVAR; dTHX
406# else
407# define dTHXs dTHX
408# endif
1de7c2ac 409#else
27da23d5
JH		 410# ifdef PERL_GLOBAL_STRUCT_PRIVATE
411# define dTHXs dVAR
412# else
413# define dTHXs dNOOP
414# endif
1de7c2ac
GS		 415#endif
416
27da23d5
JH		 417/* Some platforms require marking function declarations
418 * for them to be exportable. Used in perlio.h, proto.h
419 * is handled either by the makedef.pl or by defining the
420 * PERL_CALLCONV to be something special. See also the
421 * definition of XS() in XSUB.h. */
422#ifndef PERL_EXPORT_C
a0c21aa1
JH		 423# ifdef __cplusplus
424# define PERL_EXPORT_C extern "C"
425# else
426# define PERL_EXPORT_C extern
427# endif
27da23d5
JH		 428#endif
429#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 430# ifdef __cplusplus
431# define PERL_XS_EXPORT_C extern "C"
432# else
433# define PERL_XS_EXPORT_C
434# endif
27da23d5
JH		 435#endif
436
462e5cf6
MB		 437#ifdef OP_IN_REGISTER
438# ifdef __GNUC__
439# define stringify_immed(s) #s
440# define stringify(s) stringify_immed(s)
5aaab254 441struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 442# endif
443#endif
444
e5afc1ae 445/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 446 * g++ allows them but seems to have problems with them
70aab261
RB		 447 * (insane errors ensue).
448 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
449 */
450#if defined(PERL_GCC_PEDANTIC) || \
451 (defined(__GNUC__) && defined(__cplusplus) && \
452 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 453# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 454# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
455# endif
5dc8bdac
JH		 456#endif
457
5b692037
JH		 458#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
459# ifndef PERL_USE_GCC_BRACE_GROUPS
460# define PERL_USE_GCC_BRACE_GROUPS
461# endif
462#endif
463
728e2803 464/*
465 * STMT_START { statements; } STMT_END;
466 * can be used as a single statement, as in
467 * if (x) STMT_START { ... } STMT_END; else ...
468 *
469 * Trying to select a version that gives no warnings...
470 */
471#if !(defined(STMT_START) && defined(STMT_END))
5b692037 472# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 473# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 474# define STMT_END )
475# else
476 /* Now which other defined()s do we need here ??? */
93189314 477# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 478# define STMT_START if (1)
479# define STMT_END else (void)0
480# else
481# define STMT_START do
482# define STMT_END while (0)
483# endif
484# endif
485#endif
486
d6f9c181
JH		 487#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
488# define BYTEORDER 0x1234
79072805
LW		 489#endif
490
491/* Overall memory policy? */
492#ifndef CONSERVATIVE
493# define LIBERAL 1
494#endif
495
8ada0baa
JH		 496#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
497#define ASCIIish
498#else
499#undef ASCIIish
500#endif
501
79072805
LW		 502/*
503 * The following contortions are brought to you on behalf of all the
504 * standards, semi-standards, de facto standards, not-so-de-facto standards
505 * of the world, as well as all the other botches anyone ever thought of.
506 * The basic theory is that if we work hard enough here, the rest of the
507 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
508 */
ac58e20f 509
ee0007ab 510/* define this once if either system, instead of cluttering up the src */
7c458fae 511#if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 512#define DOSISH 1
513#endif
514
739a0b84 515#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 516# define STANDARD_C 1
517#endif
518
8d87852b 519#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 520# define DONT_DECLARE_STD 1
521#endif
522
352d5a3a 523#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 524# define VOL volatile
663a0e37 525#else
79072805 526# define VOL
663a0e37
LW		 527#endif
528
284167a5
S		 529/* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
530 * you get a perl without taint support, but doubtlessly with a lesser
531 * degree of support. Do not do so unless you know exactly what it means
532 * technically, have a good reason to do so, and know exactly how the
533 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
534 * a potential security risk due to flat out ignoring the security-relevant
535 * taint flags. This being said, a perl without taint support compiled in
536 * has marginal run-time performance benefits.
537 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
538 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
539 * silently ignores -t/-T instead of throwing an exception.
053a3618
S		 540 *
541 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
6ecb40c7 542 * voids your nonexistent warranty!
284167a5
S		 543 */
544#if SILENT_NO_TAINT_SUPPORT && !defined(NO_TAINT_SUPPORT)
545# define NO_TAINT_SUPPORT 1
546#endif
547
548/* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
549 * operations into no-ops for a very modest speed-up. Enable only if you
550 * know what you're doing: tests and CPAN modules' tests are bound to fail.
551 */
552#if NO_TAINT_SUPPORT
553# define TAINT NOOP
554# define TAINT_NOT NOOP
555# define TAINT_IF(c) NOOP
556# define TAINT_ENV() NOOP
557# define TAINT_PROPER(s) NOOP
558# define TAINT_set(s) NOOP
559# define TAINT_get 0
560# define TAINTING_get 0
561# define TAINTING_set(s) NOOP
562# define TAINT_WARN_get 0
563# define TAINT_WARN_set(s) NOOP
564#else
565# define TAINT (PL_tainted = TRUE)
566# define TAINT_NOT (PL_tainted = FALSE)
2439e033
S		 567# define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = TRUE; }
568# define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); }
569# define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); }
284167a5
S		 570# define TAINT_set(s) (PL_tainted = (s))
571# define TAINT_get (PL_tainted)
572# define TAINTING_get (PL_tainting)
573# define TAINTING_set(s) (PL_tainting = (s))
574# define TAINT_WARN_get (PL_taint_warn)
575# define TAINT_WARN_set(s) (PL_taint_warn = (s))
576#endif
a687059c 577
20be6587
DM		 578/* flags used internally only within pp_subst and pp_substcont */
579#ifdef PERL_CORE
580# define SUBST_TAINT_STR 1 /* string tainted */
581# define SUBST_TAINT_PAT 2 /* pattern tainted */
582# define SUBST_TAINT_REPL 4 /* replacement tainted */
583# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
584# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
585#endif
586
d460ef45 587/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 588 defines move there? If so, I could simplify this a lot. --AD 9/96.
589*/
590/* Process group stuff changed from traditional BSD to POSIX.
591 perlfunc.pod documents the traditional BSD-style syntax, so we'll
592 try to preserve that, if possible.
593*/
594#ifdef HAS_SETPGID
595# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 596#else
a6e633de 597# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
598# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
599# else
600# ifdef HAS_SETPGRP2 /* DG/UX */
601# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
602# endif
603# endif
604#endif
605#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
606# define HAS_SETPGRP /* Well, effectively it does . . . */
607#endif
608
609/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
610 our life easier :-) so we'll try it.
611*/
612#ifdef HAS_GETPGID
613# define BSD_GETPGRP(pid) getpgid((pid))
614#else
615# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
616# define BSD_GETPGRP(pid) getpgrp((pid))
617# else
618# ifdef HAS_GETPGRP2 /* DG/UX */
619# define BSD_GETPGRP(pid) getpgrp2((pid))
620# endif
621# endif
622#endif
623#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
624# define HAS_GETPGRP /* Well, effectively it does . . . */
625#endif
626
d460ef45 627/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 628 have different behaviors, but perl.h used to define USE_BSDPGRP
629 (prior to 5.003_05) so some extension might depend on it.
630*/
631#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
632# ifndef USE_BSDPGRP
633# define USE_BSDPGRP
634# endif
663a0e37
LW		 635#endif
636
486ec47a 637/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH		 638 pthread.h must be included before all other header files.
639*/
3db8f154 640#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 641# include <pthread.h>
642#endif
643
760ac839
LW		 644#ifndef _TYPES_ /* If types.h defines this it's easy. */
645# ifndef major /* Does everyone's types.h define this? */
646# include <sys/types.h>
c07a80fd 647# endif
663a0e37
LW		 648#endif
649
760ac839
LW		 650#ifdef __cplusplus
651# ifndef I_STDARG
652# define I_STDARG 1
653# endif
654#endif
655
656#ifdef I_STDARG
657# include <stdarg.h>
658#else
659# ifdef I_VARARGS
660# include <varargs.h>
661# endif
662#endif
663
4633a7c4 664#ifdef USE_NEXT_CTYPE
0c30d9ec 665
092bebab
JH		 666#if NX_CURRENT_COMPILER_RELEASE >= 500
667# include <bsd/ctypes.h>
668#else
669# if NX_CURRENT_COMPILER_RELEASE >= 400
670# include <objc/NXCType.h>
671# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
672# include <appkit/NXCType.h>
673# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
674#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 675
676#else /* !USE_NEXT_CTYPE */
fe14fcc3 677#include <ctype.h>
0c30d9ec 678#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 679
680#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
681#undef METHOD
a0d0e21e
LW		 682#endif
683
12ae5dfc
JH		 684#ifdef PERL_MICRO
685# define NO_LOCALE
686#endif
687
4633a7c4 688#ifdef I_LOCALE
36477c24 689# include <locale.h>
4633a7c4
LW		 690#endif
691
36477c24 692#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
693# define USE_LOCALE
ccd65d51
KW		 694# define HAS_SKIP_LOCALE_INIT /* Solely for XS code to test for this
695 capability */
36477c24 696# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
697 && defined(HAS_STRXFRM)
698# define USE_LOCALE_COLLATE
699# endif
700# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
701# define USE_LOCALE_CTYPE
702# endif
703# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
704# define USE_LOCALE_NUMERIC
705# endif
fa9b773e
KW		 706# if !defined(NO_LOCALE_MESSAGES) && defined(LC_MESSAGES)
707# define USE_LOCALE_MESSAGES
708# endif
709# if !defined(NO_LOCALE_MONETARY) && defined(LC_MONETARY)
710# define USE_LOCALE_MONETARY
711# endif
36477c24 712#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 713
fe14fcc3 714#include <setjmp.h>
79072805 715
a0d0e21e 716#ifdef I_SYS_PARAM
79072805
LW		 717# ifdef PARAM_NEEDS_TYPES
718# include <sys/types.h>
719# endif
720# include <sys/param.h>
352d5a3a 721#endif
79072805 722
79072805 723/* Use all the "standard" definitions? */
a0d0e21e 724#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 725# include <stdlib.h>
ff68c719 726#endif
03a14243 727
3f270f98
JH		 728/* If this causes problems, set i_unistd=undef in the hint file. */
729#ifdef I_UNISTD
730# include <unistd.h>
731#endif
732
de8ca8af
NT		 733/* for WCOREDUMP */
734#ifdef I_SYS_WAIT
735# include <sys/wait.h>
736#endif
737
9969cdde 738#ifdef __SYMBIAN32__
27da23d5
JH		 739# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
740#endif
741
7114a2d2 742#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 743EXTERN_C int syscall(int, ...);
2ef53570
JH		 744#endif
745
7114a2d2 746#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 747EXTERN_C int usleep(unsigned int);
2ef53570
JH		 748#endif
749
1109a392
MHM		 750#ifdef PERL_CORE
751
752/* macros for correct constant construction */
753# if INTSIZE >= 2
754# define U16_CONST(x) ((U16)x##U)
755# else
756# define U16_CONST(x) ((U16)x##UL)
757# endif
758
759# if INTSIZE >= 4
760# define U32_CONST(x) ((U32)x##U)
761# else
762# define U32_CONST(x) ((U32)x##UL)
763# endif
764
765# ifdef HAS_QUAD
766# if INTSIZE >= 8
767# define U64_CONST(x) ((U64)x##U)
768# elif LONGSIZE >= 8
769# define U64_CONST(x) ((U64)x##UL)
770# elif QUADKIND == QUAD_IS_LONG_LONG
771# define U64_CONST(x) ((U64)x##ULL)
52865553
SH		 772# elif QUADKIND == QUAD_IS___INT64
773# define U64_CONST(x) ((U64)x##UI64)
1109a392
MHM		 774# else /* best guess we can make */
775# define U64_CONST(x) ((U64)x##UL)
776# endif
777# endif
778
779/* byte-swapping functions for big-/little-endian conversion */
780# define _swab_16_(x) ((U16)( \
781 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
782 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
783
784# define _swab_32_(x) ((U32)( \
785 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
786 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
787 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
788 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
789
790# ifdef HAS_QUAD
791# define _swab_64_(x) ((U64)( \
792 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
793 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
794 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
795 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
796 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
797 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
798 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
799 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
800# endif
801
9c17f24a
NC		 802/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
803 at least on FreeBSD. YMMV, so experiment. */
804#ifndef PERL_ARENA_SIZE
805#define PERL_ARENA_SIZE 4080
806#endif
807
ccb2c8b8 808/* Maximum level of recursion */
2b9dff67
RGS		 809#ifndef PERL_SUB_DEPTH_WARN
810#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 811#endif
812
1109a392
MHM		 813#endif /* PERL_CORE */
814
bdf3085f
NC		 815/* We no longer default to creating a new SV for GvSV.
816 Do this before embed. */
817#ifndef PERL_CREATE_GVSV
7459f06b
NC		 818# ifndef PERL_DONT_CREATE_GVSV
819# define PERL_DONT_CREATE_GVSV
820# endif
bdf3085f
NC		 821#endif
822
ca0c25f6
NC		 823#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
824#define PERL_USES_PL_PIDSTATUS
825#endif
826
739a0b84 827#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
a62746fa
RGS		 828#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
829#endif
830
c31fac66
GS		 831#define MEM_SIZE Size_t
832
1936d2a7
NC		 833/* Round all values passed to malloc up, by default to a multiple of
834 sizeof(size_t)
835*/
836#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
837#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
838#endif
839
f1200559
WH		 840/* sv_grow() will expand strings by at least a certain percentage of
841 the previously *used* length to avoid excessive calls to realloc().
842 The default is 25% of the current length.
843*/
844#ifndef PERL_STRLEN_EXPAND_SHIFT
845# define PERL_STRLEN_EXPAND_SHIFT 2
846#endif
847
51371543
GS		 848#if defined(STANDARD_C) && defined(I_STDDEF)
849# include <stddef.h>
850# define STRUCT_OFFSET(s,m) offsetof(s,m)
851#else
852# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
853#endif
854
9969cdde 855#ifndef __SYMBIAN32__
27da23d5
JH		 856# if defined(I_STRING) || defined(__cplusplus)
857# include <string.h>
858# else
859# include <strings.h>
860# endif
51371543
GS		 861#endif
862
55497cff 863/* This comes after <stdlib.h> so we don't try to change the standard
864 * library prototypes; we'll use our own in proto.h instead. */
03a14243 865
4633a7c4 866#ifdef MYMALLOC
86058a2d 867# ifdef PERL_POLLUTE_MALLOC
ee13e175 868# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 869# define Perl_malloc malloc
870# define Perl_calloc calloc
871# define Perl_realloc realloc
872# define Perl_mfree free
ee13e175 873# endif
86058a2d
GS		 874# else
875# define EMBEDMYMALLOC /* for compatibility */
876# endif
827e134a 877
651b9576
GS		 878# define safemalloc Perl_malloc
879# define safecalloc Perl_calloc
880# define saferealloc Perl_realloc
881# define safefree Perl_mfree
22f7c9c9
JH		 882# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
883 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
884 code; \
885 } STMT_END
886# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
887 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
888# define panic_write2(s) write(2, s, strlen(s))
889# define CHECK_MALLOC_TAINT(newval) \
890 CHECK_MALLOC_TOO_LATE_FOR_( \
891 if (newval) { \
892 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
893 exit(1); })
22f7c9c9 894# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 895 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 896 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
897 }} STMT_END;
f2517201
GS		 898#else /* MYMALLOC */
899# define safemalloc safesysmalloc
900# define safecalloc safesyscalloc
901# define saferealloc safesysrealloc
902# define safefree safesysfree
22f7c9c9
JH		 903# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
904# define CHECK_MALLOC_TAINT(newval) ((void)0)
905# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 906#endif /* MYMALLOC */
4633a7c4 907
fe13d51d 908/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 909#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		 910#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
911#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
912#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
913
a0d0e21e
LW		 914#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
915#define strchr index
916#define strrchr rindex
917#endif
918
16d20bd9
AD		 919#ifdef I_MEMORY
920# include <memory.h>
921#endif
922
fe14fcc3 923#ifdef HAS_MEMCPY
85e6fe83 924# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 925# ifndef memcpy
20ce7b12 926 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 927# endif
928# endif
929#else
930# ifndef memcpy
931# ifdef HAS_BCOPY
932# define memcpy(d,s,l) bcopy(s,d,l)
933# else
934# define memcpy(d,s,l) my_bcopy(s,d,l)
935# endif
936# endif
937#endif /* HAS_MEMCPY */
fe14fcc3 938
ee0007ab 939#ifdef HAS_MEMSET
85e6fe83 940# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 941# ifndef memset
20ce7b12 942 extern char *memset (char*, int, int);
ee0007ab
LW		 943# endif
944# endif
ee0007ab 945#else
12ae5dfc 946# undef memset
fc36a67e 947# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 948#endif /* HAS_MEMSET */
949
85e6fe83 950#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 951# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 952# define memmove(d,s,l) bcopy(s,d,l)
953# else
2304df62 954# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 955# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 956# else
79072805 957# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 958# endif
352d5a3a 959# endif
d9d8d8de 960#endif
ee0007ab 961
36477c24 962#if defined(mips) && defined(ultrix) && !defined(__STDC__)
963# undef HAS_MEMCMP
964#endif
965
966#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 967# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 968# ifndef memcmp
20ce7b12 969 extern int memcmp (char*, char*, int);
ee0007ab
LW		 970# endif
971# endif
36477c24 972# ifdef BUGGY_MSC
7e4e8c89 973# pragma function(memcmp)
36477c24 974# endif
ee0007ab
LW		 975#else
976# ifndef memcmp
ecfc5424 977# define memcmp my_memcmp
352d5a3a 978# endif
36477c24 979#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 980
fc36a67e 981#ifndef memzero
c635e13b 982# ifdef HAS_MEMSET
983# define memzero(d,l) memset(d,0,l)
79072805 984# else
c635e13b 985# ifdef HAS_BZERO
986# define memzero(d,l) bzero(d,l)
79072805 987# else
fc36a67e 988# define memzero(d,l) my_bzero(d,l)
79072805
LW		 989# endif
990# endif
d9d8d8de 991#endif
378cc40b 992
2f42fcb0 993#ifndef PERL_MICRO
0f27ced1
JH		 994#ifndef memchr
995# ifndef HAS_MEMCHR
996# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
997# endif
998#endif
2f42fcb0 999#endif
0f27ced1 1000
36477c24 1001#ifndef HAS_BCMP
1002# ifndef bcmp
1003# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1004# endif
36477c24 1005#endif /* !HAS_BCMP */
378cc40b 1006
ae986130 1007#ifdef I_NETINET_IN
79072805 1008# include <netinet/in.h>
ae986130
LW		 1009#endif
1010
28e8609d
JH		 1011#ifdef I_ARPA_INET
1012# include <arpa/inet.h>
1013#endif
1014
84902520
TB		 1015#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1016/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1017 * (the neo-BSD seem to do this). */
1018# undef SF_APPEND
1019#endif
1020
1aef975c 1021#ifdef I_SYS_STAT
84902520 1022# include <sys/stat.h>
1aef975c 1023#endif
79072805 1024
287a962e
JD		 1025/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1026 This definition should ideally go into win32/win32.h, but S_IFIFO is
1027 used later here in perl.h before win32/win32.h is being included. */
1028#if !defined(S_IFIFO) && defined(_S_IFIFO)
1029# define S_IFIFO _S_IFIFO
1030#endif
1031
cc3315ba 1032/* The stat macros for Unisoft System V/88 (and derivatives
a0d0e21e
LW		 1033 like UTekV) are broken, sometimes giving false positives. Undefine
1034 them here and let the code below set them to proper values.
1035
1036 The ghs macro stands for GreenHills Software C-1.8.5 which
1037 is the C compiler for sysV88 and the various derivatives.
1038 This header file bug is corrected in gcc-2.5.8 and later versions.
1039 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1040
cc3315ba 1041#if defined(m88k) && defined(ghs)
79072805
LW		 1042# undef S_ISDIR
1043# undef S_ISCHR
1044# undef S_ISBLK
1045# undef S_ISREG
1046# undef S_ISFIFO
1047# undef S_ISLNK
ee0007ab 1048#endif
135863df 1049
663a0e37
LW		 1050#ifdef I_TIME
1051# include <time.h>
ffed7fef 1052#endif
663a0e37 1053
fe14fcc3 1054#ifdef I_SYS_TIME
85e6fe83 1055# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1056# define KERNEL
1057# endif
1058# include <sys/time.h>
85e6fe83 1059# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1060# undef KERNEL
1061# endif
a687059c 1062#endif
135863df 1063
55497cff 1064#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1065# include <sys/times.h>
d9d8d8de 1066#endif
8d063cd8 1067
fe14fcc3 1068#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1069# undef HAS_STRERROR
663a0e37
LW		 1070#endif
1071
1072#include <errno.h>
1e743fda 1073
acfe0abc 1074#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1075# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1076#endif
1077
8cfab5ff 1078/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1079 * This is important for using IPv6.
8cfab5ff
JH		 1080 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1081 * a bad idea since it breaks send() and recv(). */
1082#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1083# define _SOCKADDR_LEN
1084#endif
1085
da70cfc6 1086#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH		 1087# include <sys/socket.h>
1088# if defined(USE_SOCKS) && defined(I_SOCKS)
1089# if !defined(INCLUDE_PROTOTYPES)
1090# define INCLUDE_PROTOTYPES /* for <socks.h> */
1091# define PERL_SOCKS_NEED_PROTOTYPES
1092# endif
1093# include <socks.h>
1094# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1095# undef INCLUDE_PROTOTYPES
1096# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1097# endif
d460ef45 1098# endif
1e743fda 1099# ifdef I_NETDB
2986a63f
JH		 1100# ifdef NETWARE
1101# include<stdio.h>
1102# endif
1e743fda
JH		 1103# include <netdb.h>
1104# endif
1105# ifndef ENOTSOCK
1106# ifdef I_NET_ERRNO
1107# include <net/errno.h>
1108# endif
1109# endif
1110#endif
1111
fa0a29af 1112/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1113 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1114 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1115#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1116# if defined(__THROW) && defined(__GLIBC__)
1117int sockatmark(int) __THROW;
1118# else
2ef53570 1119int sockatmark(int);
29820b6d 1120# endif
2ef53570
JH		 1121#endif
1122
7e827271 1123#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		 1124EXTERN_C int fchdir(int);
1125EXTERN_C int flock(int, int);
1126EXTERN_C int fseeko(FILE *, off_t, int);
1127EXTERN_C off_t ftello(FILE *);
1128#endif
1129
7e827271 1130#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1131EXTERN_C char *crypt(const char *, const char *);
7e827271 1132EXTERN_C char **environ;
1ccb7c8d
JH		 1133#endif
1134
83a6ff2e 1135#if defined(__cplusplus)
944c4fda 1136# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1137EXTERN_C char **environ;
83a6ff2e 1138# elif defined(__CYGWIN__)
667e2948
SP		 1139EXTERN_C char *crypt(const char *, const char *);
1140#endif
83a6ff2e 1141#endif
667e2948 1142
1e743fda
JH		 1143#ifdef SETERRNO
1144# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1145#endif
f86702cc 1146
1147#ifdef VMS
1148# define SETERRNO(errcode,vmserrcode) \
1149 STMT_START { \
1150 set_errno(errcode); \
1151 set_vaxc_errno(vmserrcode); \
1152 } STMT_END
4ee39169
CS		 1153# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1154# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1155# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1156# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1157
93189314
JH		 1158# define LIB_INVARG LIB$_INVARG
1159# define RMS_DIR RMS$_DIR
1160# define RMS_FAC RMS$_FAC
1161# define RMS_FEX RMS$_FEX
1162# define RMS_FNF RMS$_FNF
1163# define RMS_IFI RMS$_IFI
1164# define RMS_ISI RMS$_ISI
1165# define RMS_PRV RMS$_PRV
1166# define SS_ACCVIO SS$_ACCVIO
1167# define SS_DEVOFFLINE SS$_DEVOFFLINE
1168# define SS_IVCHAN SS$_IVCHAN
1169# define SS_NORMAL SS$_NORMAL
748a9306 1170#else
aba27d88 1171# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS		 1172# define dSAVEDERRNO int saved_errno
1173# define dSAVE_ERRNO int saved_errno = errno
1174# define SAVE_ERRNO (saved_errno = errno)
1175# define RESTORE_ERRNO (errno = saved_errno)
1176
93189314
JH		 1177# define LIB_INVARG 0
1178# define RMS_DIR 0
1179# define RMS_FAC 0
1180# define RMS_FEX 0
1181# define RMS_FNF 0
1182# define RMS_IFI 0
1183# define RMS_ISI 0
1184# define RMS_PRV 0
1185# define SS_ACCVIO 0
1186# define SS_DEVOFFLINE 0
1187# define SS_IVCHAN 0
1188# define SS_NORMAL 0
748a9306 1189#endif
ed6116ce 1190
f5fa9033 1191#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC		 1192
1193#define CLEAR_ERRSV() STMT_START { \
1194 if (!GvSV(PL_errgv)) { \
1195 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1196 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1197 SvREFCNT_dec(GvSV(PL_errgv)); \
1198 GvSV(PL_errgv) = newSVpvs(""); \
1199 } else { \
1200 SV *const errsv = GvSV(PL_errgv); \
1201 sv_setpvs(errsv, ""); \
1202 if (SvMAGICAL(errsv)) { \
1203 mg_free(errsv); \
1204 } \
1205 SvPOK_only(errsv); \
1206 } \
1207 } STMT_END
1208
1209
414bf5ae
MHM		 1210#ifdef PERL_CORE
1211# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC		 1212# define DEFSV_set(sv) \
1213 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1214# define SAVE_DEFSV \
1215 ( \
1216 save_gp(PL_defgv, 0), \
1217 GvINTRO_off(PL_defgv), \
1218 SAVEGENERICSV(GvSV(PL_defgv)), \
1219 GvSV(PL_defgv) = NULL \
1220 )
414bf5ae
MHM		 1221#else
1222# define DEFSV GvSVn(PL_defgv)
55b5114f
FC		 1223# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1224# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1225#endif
38a03e6e 1226
98eae8f5
GS		 1227#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1228
55497cff 1229#ifndef errno
5ff3f7a4
GS		 1230 extern int errno; /* ANSI allows errno to be an lvalue expr.
1231 * For example in multithreaded environments
1232 * something like this might happen:
1233 * extern int *_errno(void);
1234 * #define errno (*_errno()) */
d9d8d8de 1235#endif
663a0e37 1236
2304df62 1237#ifdef HAS_STRERROR
b3e384bf 1238# ifndef DONT_DECLARE_STD
a0d0e21e 1239# ifdef VMS
20ce7b12 1240 char *strerror (int,...);
a0d0e21e 1241# else
20ce7b12 1242 char *strerror (int);
a0d0e21e 1243# endif
b3e384bf
KW		 1244# endif
1245# ifndef Strerror
1246# define Strerror strerror
1247# endif
2304df62
AD		 1248#else
1249# ifdef HAS_SYS_ERRLIST
79072805
LW		 1250 extern int sys_nerr;
1251 extern char *sys_errlist[];
2304df62
AD		 1252# ifndef Strerror
1253# define Strerror(e) \
79072805 1254 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1255# endif
79072805 1256# endif
35c8bce7 1257#endif
663a0e37 1258
2304df62 1259#ifdef I_SYS_IOCTL
79072805
LW		 1260# ifndef _IOCTL_
1261# include <sys/ioctl.h>
1262# endif
a687059c
LW		 1263#endif
1264
ee0007ab 1265#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1266# ifdef HAS_SOCKETPAIR
1267# undef HAS_SOCKETPAIR
1268# endif
2304df62
AD		 1269# ifdef I_NDBM
1270# undef I_NDBM
79072805 1271# endif
a687059c
LW		 1272#endif
1273
02fc2eee
NC		 1274#ifndef HAS_SOCKETPAIR
1275# ifdef HAS_SOCKET
1276# define socketpair Perl_my_socketpair
1277# endif
1278#endif
1279
a687059c 1280#if INTSIZE == 2
79072805
LW		 1281# define htoni htons
1282# define ntohi ntohs
a687059c 1283#else
79072805
LW		 1284# define htoni htonl
1285# define ntohi ntohl
a687059c
LW		 1286#endif
1287
a0d0e21e 1288/* Configure already sets Direntry_t */
35c8bce7 1289#if defined(I_DIRENT)
663a0e37 1290# include <dirent.h>
8f1f23e8
W		 1291 /* NeXT needs dirent + sys/dir.h */
1292# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1293# include <sys/dir.h>
1294# endif
ae986130 1295#else
fe14fcc3 1296# ifdef I_SYS_NDIR
79a0689e 1297# include <sys/ndir.h>
663a0e37 1298# else
fe14fcc3 1299# ifdef I_SYS_DIR
79a0689e
LW		 1300# ifdef hp9000s500
1301# include <ndir.h> /* may be wrong in the future */
1302# else
1303# include <sys/dir.h>
1304# endif
663a0e37
LW		 1305# endif
1306# endif
4633a7c4 1307#endif
a687059c 1308
12ae5dfc
JH		 1309#ifdef PERL_MICRO
1310# ifndef DIR
1311# define DIR void
1312# endif
1313#endif
1314
352d5a3a
LW		 1315#ifdef FPUTS_BOTCH
1316/* work around botch in SunOS 4.0.1 and 4.0.2 */
1317# ifndef fputs
79072805 1318# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1319# endif
1320#endif
1321
c623bd54
LW		 1322/*
1323 * The following gobbledygook brought to you on behalf of __STDC__.
1324 * (I could just use #ifndef __STDC__, but this is more bulletproof
1325 * in the face of half-implementations.)
1326 */
1327
7114a2d2 1328#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1329#include <sys/mode.h>
1330#endif
1331
c623bd54
LW		 1332#ifndef S_IFMT
1333# ifdef _S_IFMT
1334# define S_IFMT _S_IFMT
1335# else
1336# define S_IFMT 0170000
1337# endif
1338#endif
1339
1340#ifndef S_ISDIR
1341# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1342#endif
1343
1344#ifndef S_ISCHR
1345# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1346#endif
1347
1348#ifndef S_ISBLK
fe14fcc3
LW		 1349# ifdef S_IFBLK
1350# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1351# else
1352# define S_ISBLK(m) (0)
1353# endif
c623bd54
LW		 1354#endif
1355
1356#ifndef S_ISREG
1357# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1358#endif
1359
1360#ifndef S_ISFIFO
fe14fcc3
LW		 1361# ifdef S_IFIFO
1362# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1363# else
1364# define S_ISFIFO(m) (0)
1365# endif
c623bd54
LW		 1366#endif
1367
1368#ifndef S_ISLNK
1369# ifdef _S_ISLNK
1370# define S_ISLNK(m) _S_ISLNK(m)
1371# else
1372# ifdef _S_IFLNK
1373# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1374# else
1375# ifdef S_IFLNK
1376# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1377# else
1378# define S_ISLNK(m) (0)
1379# endif
1380# endif
1381# endif
1382#endif
1383
1384#ifndef S_ISSOCK
1385# ifdef _S_ISSOCK
1386# define S_ISSOCK(m) _S_ISSOCK(m)
1387# else
1388# ifdef _S_IFSOCK
1389# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1390# else
1391# ifdef S_IFSOCK
1392# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1393# else
1394# define S_ISSOCK(m) (0)
1395# endif
1396# endif
1397# endif
1398#endif
1399
1400#ifndef S_IRUSR
1401# ifdef S_IREAD
1402# define S_IRUSR S_IREAD
1403# define S_IWUSR S_IWRITE
1404# define S_IXUSR S_IEXEC
1405# else
1406# define S_IRUSR 0400
1407# define S_IWUSR 0200
1408# define S_IXUSR 0100
1409# endif
fac7cdfc
JS		 1410#endif
1411
1412#ifndef S_IRGRP
1413# ifdef S_IRUSR
1414# define S_IRGRP (S_IRUSR>>3)
1415# define S_IWGRP (S_IWUSR>>3)
1416# define S_IXGRP (S_IXUSR>>3)
1417# else
1418# define S_IRGRP 0040
1419# define S_IWGRP 0020
1420# define S_IXGRP 0010
1421# endif
1422#endif
1423
1424#ifndef S_IROTH
1425# ifdef S_IRUSR
1426# define S_IROTH (S_IRUSR>>6)
1427# define S_IWOTH (S_IWUSR>>6)
1428# define S_IXOTH (S_IXUSR>>6)
1429# else
1430# define S_IROTH 0040
1431# define S_IWOTH 0020
1432# define S_IXOTH 0010
1433# endif
c623bd54
LW		 1434#endif
1435
1436#ifndef S_ISUID
1437# define S_ISUID 04000
1438#endif
1439
1440#ifndef S_ISGID
1441# define S_ISGID 02000
1442#endif
1443
ca6e1c26
JH		 1444#ifndef S_IRWXU
1445# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1446#endif
ca6e1c26
JH		 1447
1448#ifndef S_IRWXG
1449# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1450#endif
ca6e1c26
JH		 1451
1452#ifndef S_IRWXO
1453# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1454#endif
ca6e1c26 1455
b6c36746 1456/* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1457 * which would get included through <sys/file.h >, but that is 3000
1458 * lines in the future. --jhi */
1459
b6c36746 1460#if !defined(S_IREAD) && !defined(__HAIKU__)
ca6e1c26
JH		 1461# define S_IREAD S_IRUSR
1462#endif
1463
b6c36746 1464#if !defined(S_IWRITE) && !defined(__HAIKU__)
ca6e1c26
JH		 1465# define S_IWRITE S_IWUSR
1466#endif
1467
1468#ifndef S_IEXEC
1469# define S_IEXEC S_IXUSR
1470#endif
1471
79072805
LW		 1472#ifdef ff_next
1473# undef ff_next
352d5a3a
LW		 1474#endif
1475
a0d0e21e 1476#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1477# define SLOPPYDIVIDE
1478#endif
1479
748a9306
LW		 1480#ifdef UV
1481#undef UV
1482#endif
1483
ce582cee
NC		 1484/* For the times when you want the return value of sprintf, and you want it
1485 to be the length. Can't have a thread variable passed in, because C89 has
1486 no varargs macros.
1487*/
1488#ifdef SPRINTF_RETURNS_STRLEN
1489# define my_sprintf sprintf
1490#else
1491# define my_sprintf Perl_my_sprintf
1492#endif
1493
5b692037
JH		 1494/*
1495 * If we have v?snprintf() and the C99 variadic macros, we can just
1496 * use just the v?snprintf(). It is nice to try to trap the buffer
1497 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1498 * gcc statement expressions, then use the function wrappers which try
1499 * to trap the overflow. If we can use the gcc statement expressions,
1500 * we can try that even with the version that uses the C99 variadic
1501 * macros.
5b692037
JH		 1502 */
1503
1208b3dd
JH		 1504/* Note that we do not check against snprintf()/vsnprintf() returning
1505 * negative values because that is non-standard behaviour and we use
1506 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1507 * that should be true only if the snprintf()/vsnprintf() are true
1508 * to the standard. */
1509
dfeee9b1 1510#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1511# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1512# 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 1513# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1514# else
1515# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1516# endif
1517#else
1518# define my_snprintf Perl_my_snprintf
1208b3dd 1519# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1520#endif
1521
dfeee9b1 1522#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1523# ifdef PERL_USE_GCC_BRACE_GROUPS
9e440ecc 1524# define my_vsnprintf(buffer, len, ...) ({ int __len__ = vsnprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (Size_t)(len)) Perl_croak_nocontext("panic: vsnprintf buffer overflow"); __len__; })
1208b3dd 1525# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1526# else
1527# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1528# endif
1529#else
1530# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1531# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1532#endif
d9fad198 1533
a6cc4119
SP		 1534#ifdef HAS_STRLCAT
1535# define my_strlcat strlcat
1536#else
1537# define my_strlcat Perl_my_strlcat
1538#endif
1539
1540#ifdef HAS_STRLCPY
1541# define my_strlcpy strlcpy
1542#else
1543# define my_strlcpy Perl_my_strlcpy
1544#endif
1545
05f13f53 1546/*
27d4fb96 1547 The IV type is supposed to be long enough to hold any integral
1548 value or a pointer.
1549 --Andy Dougherty August 1996
1550*/
1551
a22e52b9
JH		 1552typedef IVTYPE IV;
1553typedef UVTYPE UV;
8175356b 1554
10cc9d2a 1555#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1556# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1557# define IV_MAX INT64_MAX
1558# define IV_MIN INT64_MIN
1559# define UV_MAX UINT64_MAX
cae7ae48
JH		 1560# ifndef UINT64_MIN
1561# define UINT64_MIN 0
1562# endif
5ff3f7a4
GS		 1563# define UV_MIN UINT64_MIN
1564# else
1565# define IV_MAX PERL_QUAD_MAX
1566# define IV_MIN PERL_QUAD_MIN
1567# define UV_MAX PERL_UQUAD_MAX
1568# define UV_MIN PERL_UQUAD_MIN
1569# endif
cf2093f6
JH		 1570# define IV_IS_QUAD
1571# define UV_IS_QUAD
79072805 1572#else
8175356b 1573# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1574# define IV_MAX INT32_MAX
1575# define IV_MIN INT32_MIN
716026f9
DL		 1576# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1577# define UV_MAX UINT32_MAX
1578# else
1579# define UV_MAX 4294967295U
1580# endif
cae7ae48
JH		 1581# ifndef UINT32_MIN
1582# define UINT32_MIN 0
1583# endif
5ff3f7a4
GS		 1584# define UV_MIN UINT32_MIN
1585# else
1586# define IV_MAX PERL_LONG_MAX
1587# define IV_MIN PERL_LONG_MIN
1588# define UV_MAX PERL_ULONG_MAX
1589# define UV_MIN PERL_ULONG_MIN
1590# endif
8175356b 1591# if IVSIZE == 8
cf2093f6
JH		 1592# define IV_IS_QUAD
1593# define UV_IS_QUAD
de1c2614
JH		 1594# ifndef HAS_QUAD
1595# define HAS_QUAD
1596# endif
cf2093f6
JH		 1597# else
1598# undef IV_IS_QUAD
1599# undef UV_IS_QUAD
de1c2614 1600# undef HAS_QUAD
cf2093f6 1601# endif
79072805 1602#endif
d7d93a81 1603
9a543cee
FC		 1604#define SSize_t_MAX (SSize_t)(~(size_t)0 >> 1)
1605
1109a392
MHM		 1606#ifndef HAS_QUAD
1607# undef PERL_NEED_MY_HTOLE64
1608# undef PERL_NEED_MY_LETOH64
1609# undef PERL_NEED_MY_HTOBE64
1610# undef PERL_NEED_MY_BETOH64
1611#endif
1612
cae7ae48 1613#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1614#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1615
28e5dec8 1616#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1617#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1618#endif
1619
d460ef45 1620/*
26bb67e2
JH		 1621 * The macros INT2PTR and NUM2PTR are (despite their names)
1622 * bi-directional: they will convert int/float to or from pointers.
1623 * However the conversion to int/float are named explicitly:
1624 * PTR2IV, PTR2UV, PTR2NV.
1625 *
1626 * For int conversions we do not need two casts if pointers are
1627 * the same size as IV and UV. Otherwise we need an explicit
1628 * cast (PTRV) to avoid compiler warnings.
1629 */
56431972
RB		 1630#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1631# define PTRV UV
1632# define INT2PTR(any,d) (any)(d)
1633#else
d460ef45 1634# if PTRSIZE == LONGSIZE
56431972 1635# define PTRV unsigned long
e91e3b10 1636# define PTR2ul(p) (unsigned long)(p)
42718184 1637# else
56431972 1638# define PTRV unsigned
42718184 1639# endif
e91e3b10
RB		 1640#endif
1641
1642#ifndef INT2PTR
56431972 1643# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1644#endif
e91e3b10
RB		 1645
1646#ifndef PTR2ul
1647# define PTR2ul(p) INT2PTR(unsigned long,p)
1648#endif
1649
56431972
RB		 1650#define NUM2PTR(any,d) (any)(PTRV)(d)
1651#define PTR2IV(p) INT2PTR(IV,p)
1652#define PTR2UV(p) INT2PTR(UV,p)
1653#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1654#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1655
8141890a
JH		 1656/* According to strict ANSI C89 one cannot freely cast between
1657 * data pointers and function (code) pointers. There are at least
1658 * two ways around this. One (used below) is to do two casts,
1659 * first the other pointer to an (unsigned) integer, and then
1660 * the integer to the other pointer. The other way would be
1661 * to use unions to "overlay" the pointers. For an example of
1662 * the latter technique, see union dirpu in struct xpvio in sv.h.
1663 * The only feasible use is probably temporarily storing
1664 * function pointers in a data pointer (such as a void pointer). */
1665
e91e3b10
RB		 1666#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1667#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1668
65202027 1669#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1670# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1671# define LONG_DOUBLE_EQUALS_DOUBLE
1672# endif
68d4903c 1673# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1674# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1675# endif
1676#endif
1677
2d4389e4
JH		 1678#ifdef OVR_DBL_DIG
1679/* Use an overridden DBL_DIG */
1680# ifdef DBL_DIG
1681# undef DBL_DIG
1682# endif
1683# define DBL_DIG OVR_DBL_DIG
1684#else
1685/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1686 default value for printing floating point numbers in Gconvert
1687 (see config.h). (It also has other uses, such as figuring out if
1688 a given precision of printing can be done with a double instead of
1689 a long double - Allen).
2d4389e4
JH		 1690*/
1691#ifdef I_LIMITS
1692#include <limits.h>
1693#endif
1694#ifdef I_FLOAT
1695#include <float.h>
1696#endif
1697#ifndef HAS_DBL_DIG
1698#define DBL_DIG 15 /* A guess that works lots of places */
1699#endif
1700#endif
1701
1702#ifdef OVR_LDBL_DIG
1703/* Use an overridden LDBL_DIG */
1704# ifdef LDBL_DIG
1705# undef LDBL_DIG
1706# endif
1707# define LDBL_DIG OVR_LDBL_DIG
1708#else
1709/* The following is all to get LDBL_DIG, in order to pick a nice
1710 default value for printing floating point numbers in Gconvert.
1711 (see config.h)
1712*/
68d4903c
JH		 1713# ifdef I_LIMITS
1714# include <limits.h>
1715# endif
1716# ifdef I_FLOAT
1717# include <float.h>
1718# endif
1719# ifndef HAS_LDBL_DIG
1720# if LONG_DOUBLESIZE == 10
1721# define LDBL_DIG 18 /* assume IEEE */
1722# else
1723# if LONG_DOUBLESIZE == 12
1724# define LDBL_DIG 18 /* gcc? */
1725# else
1726# if LONG_DOUBLESIZE == 16
1727# define LDBL_DIG 33 /* assume IEEE */
1728# else
1729# if LONG_DOUBLESIZE == DOUBLESIZE
1730# define LDBL_DIG DBL_DIG /* bummer */
1731# endif
1732# endif
1733# endif
1734# endif
1735# endif
2d4389e4
JH		 1736#endif
1737
20f6aaab
AS		 1738/*
1739 * This is for making sure we have a good DBL_MAX value, if possible,
1740 * either for usage as NV_MAX or for usage in figuring out if we can
1741 * fit a given long double into a double, if bug-fixing makes it
1742 * necessary to do so. - Allen <allens@cpan.org>
1743 */
1744
205f51d8
AS		 1745#ifdef I_LIMITS
1746# include <limits.h>
20f6aaab
AS		 1747#endif
1748
205f51d8
AS		 1749#ifdef I_VALUES
1750# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1751# include <values.h>
1752# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1753# define DBL_MAX MAXDOUBLE
1754# endif
1755# if defined(MINDOUBLE) && !defined(DBL_MIN)
1756# define DBL_MIN MINDOUBLE
1757# endif
1758# endif
1759#endif /* defined(I_VALUES) */
1760
a22e52b9 1761typedef NVTYPE NV;
8175356b 1762
792d8dab
JH		 1763#ifdef I_IEEEFP
1764# include <ieeefp.h>
1765#endif
923fc586 1766
65202027 1767#ifdef USE_LONG_DOUBLE
923fc586
JH		 1768# ifdef I_SUNMATH
1769# include <sunmath.h>
1770# endif
2d4389e4 1771# define NV_DIG LDBL_DIG
d6c14000
JH		 1772# ifdef LDBL_MANT_DIG
1773# define NV_MANT_DIG LDBL_MANT_DIG
1774# endif
06fc1729
JH		 1775# ifdef LDBL_MIN
1776# define NV_MIN LDBL_MIN
1777# endif
1778# ifdef LDBL_MAX
1779# define NV_MAX LDBL_MAX
1780# endif
1781# ifdef LDBL_MIN_10_EXP
1782# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1783# endif
1784# ifdef LDBL_MAX_10_EXP
1785# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1786# endif
1787# ifdef LDBL_EPSILON
1788# define NV_EPSILON LDBL_EPSILON
1789# endif
f4a14a62
JH		 1790# ifdef LDBL_MAX
1791# define NV_MAX LDBL_MAX
20f6aaab 1792/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1793# else
1794# ifdef HUGE_VALL
1795# define NV_MAX HUGE_VALL
1796# else
1797# ifdef HUGE_VAL
1798# define NV_MAX ((NV)HUGE_VAL)
1799# endif
1800# endif
1801# endif
68d4903c 1802# ifdef HAS_SQRTL
68d4903c
JH		 1803# define Perl_cos cosl
1804# define Perl_sin sinl
1805# define Perl_sqrt sqrtl
1806# define Perl_exp expl
1807# define Perl_log logl
1808# define Perl_atan2 atan2l
1809# define Perl_pow powl
1810# define Perl_floor floorl
1bbae031 1811# define Perl_ceil ceill
68d4903c
JH		 1812# define Perl_fmod fmodl
1813# endif
a3540c92
JH		 1814/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1815# ifdef HAS_MODFL
1816# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1817/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1818 prototype in <math.h> */
1819# ifndef HAS_MODFL_PROTO
a221a8a5 1820EXTERN_C long double modfl(long double, long double *);
51997bc3 1821# endif
03476e8e
JH		 1822# else
1823# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1824 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1825# define Perl_modf(x,y) Perl_my_modfl(x,y)
1826# endif
a3540c92
JH		 1827# endif
1828# ifdef HAS_FREXPL
dff3e0b8 1829# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1830# else
1831# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1832 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1833# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1834# endif
a3540c92 1835# endif
38dbb4c5 1836# ifndef Perl_isnan
758a5d79
JH		 1837# ifdef HAS_ISNANL
1838# define Perl_isnan(x) isnanl(x)
1839# endif
1840# endif
1841# ifndef Perl_isinf
1842# ifdef HAS_FINITEL
1843# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1844# endif
1845# endif
65202027 1846#else
2d4389e4 1847# define NV_DIG DBL_DIG
d6c14000
JH		 1848# ifdef DBL_MANT_DIG
1849# define NV_MANT_DIG DBL_MANT_DIG
1850# endif
06fc1729
JH		 1851# ifdef DBL_MIN
1852# define NV_MIN DBL_MIN
1853# endif
1854# ifdef DBL_MAX
1855# define NV_MAX DBL_MAX
1856# endif
1857# ifdef DBL_MIN_10_EXP
1858# define NV_MIN_10_EXP DBL_MIN_10_EXP
1859# endif
1860# ifdef DBL_MAX_10_EXP
1861# define NV_MAX_10_EXP DBL_MAX_10_EXP
1862# endif
1863# ifdef DBL_EPSILON
1864# define NV_EPSILON DBL_EPSILON
1865# endif
205f51d8 1866# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1867# define NV_MAX DBL_MAX
1868# define NV_MIN DBL_MIN
1869# else
1870# ifdef HUGE_VAL
1871# define NV_MAX HUGE_VAL
1872# endif
1873# endif
65202027
DS		 1874# define Perl_cos cos
1875# define Perl_sin sin
1876# define Perl_sqrt sqrt
1877# define Perl_exp exp
1878# define Perl_log log
1879# define Perl_atan2 atan2
1880# define Perl_pow pow
1881# define Perl_floor floor
1bbae031 1882# define Perl_ceil ceil
65202027 1883# define Perl_fmod fmod
a3540c92 1884# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1885# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1886#endif
1887
1888/* rumor has it that Win32 has _fpclass() */
1889
205f51d8
AS		 1890/* SGI has fpclassl... but not with the same result values,
1891 * and it's via a typedef (not via #define), so will need to redo Configure
1892 * to use. Not worth the trouble, IMO, at least until the below is used
1893 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1894 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1895 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1896
758a5d79
JH		 1897#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1898# ifdef I_IEEFP
1899# include <ieeefp.h>
1900# endif
1901# ifdef I_FP
1902# include <fp.h>
1903# endif
1904# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1905# define Perl_fp_class() fpclassl(x)
1906# else
1907# define Perl_fp_class() fpclass(x)
1908# endif
1909# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1910# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1911# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1912# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1913# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1914# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1915# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1916# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1917# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1918# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1919# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1920# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1921# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1922# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1923# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1924#endif
1925
7114a2d2 1926#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1927# include <math.h>
1928# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1929# include <fp_class.h>
1930# endif
1931# define Perl_fp_class(x) fp_class(x)
1932# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1933# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1934# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1935# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1936# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1937# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1938# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1939# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1940# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1941# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1942# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1943# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1944# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1945# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1946# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1947#endif
1948
1949#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1950# include <math.h>
1951# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1952# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1953# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1954# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1955# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1956# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1957#endif
1958
1959#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1960# include <math.h>
1961# ifndef _cplusplus
1962# define Perl_fp_class(x) class(x)
1963# else
1964# define Perl_fp_class(x) _class(x)
1965# endif
1966# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1967# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1968# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1969# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1970# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1971# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1972# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1973# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1974# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1975# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1976# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1977# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1978# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1979# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1980# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1981#endif
1982
1983/* rumor has it that Win32 has _isnan() */
1984
1985#ifndef Perl_isnan
a3540c92 1986# ifdef HAS_ISNAN
758a5d79
JH		 1987# define Perl_isnan(x) isnan((NV)x)
1988# else
1989# ifdef Perl_fp_class_nan
1990# define Perl_isnan(x) Perl_fp_class_nan(x)
1991# else
1992# ifdef HAS_UNORDERED
1993# define Perl_isnan(x) unordered((x), 0.0)
1994# else
1995# define Perl_isnan(x) ((x)!=(x))
1996# endif
1997# endif
1998# endif
1999#endif
2000
ca6c63e1
JH		 2001#ifdef UNDER_CE
2002int isnan(double d);
2003#endif
2004
758a5d79
JH		 2005#ifndef Perl_isinf
2006# ifdef HAS_ISINF
2007# define Perl_isinf(x) isinf((NV)x)
a3540c92 2008# else
758a5d79
JH		 2009# ifdef Perl_fp_class_inf
2010# define Perl_isinf(x) Perl_fp_class_inf(x)
2011# else
2012# define Perl_isinf(x) ((x)==NV_INF)
2013# endif
2014# endif
2015#endif
2016
2017#ifndef Perl_isfinite
2018# ifdef HAS_FINITE
2019# define Perl_isfinite(x) finite((NV)x)
2020# else
2021# ifdef HAS_ISFINITE
2022# define Perl_isfinite(x) isfinite(x)
2023# else
2024# ifdef Perl_fp_class_finite
2025# define Perl_isfinite(x) Perl_fp_class_finite(x)
2026# else
2027# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2028# endif
2029# endif
a3540c92 2030# endif
65202027
DS		 2031#endif
2032
a36244b7
JH		 2033/* The default is to use Perl's own atof() implementation (in numeric.c).
2034 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2035 * it is however best to use the native implementation of atof.
2036 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2037 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2038 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2039 * you may need to be using a different function than atof! */
a36244b7
JH		 2040
2041#ifndef USE_PERL_ATOF
2042# ifndef _UNICOS
2043# define USE_PERL_ATOF
2044# endif
2045#else
2046# if USE_PERL_ATOF == 0
2047# undef USE_PERL_ATOF
2048# endif
2049#endif
2050
2051#ifdef USE_PERL_ATOF
2052# define Perl_atof(s) Perl_my_atof(s)
2053# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2054#else
2055# define Perl_atof(s) (NV)atof(s)
2056# define Perl_atof2(s, n) ((n) = atof(s))
2057#endif
cf2093f6 2058
d460ef45 2059/* Previously these definitions used hardcoded figures.
760ac839
LW		 2060 * It is hoped these formula are more portable, although
2061 * no data one way or another is presently known to me.
2062 * The "PERL_" names are used because these calculated constants
2063 * do not meet the ANSI requirements for LONG_MAX, etc., which
2064 * need to be constants acceptable to #if - kja
2065 * define PERL_LONG_MAX 2147483647L
2066 * define PERL_LONG_MIN (-LONG_MAX - 1)
2067 * define PERL ULONG_MAX 4294967295L
2068 */
2069
2070#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2071# include <limits.h>
760ac839 2072#endif
205f51d8 2073/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2074 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2075
99abf803 2076/*
2077 * Try to figure out max and min values for the integral types. THE CORRECT
2078 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2079 * following hacks are used if neither limits.h or values.h provide them:
2080 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2081 * for types < int: (unsigned TYPE)~(unsigned)0
2082 * The argument to ~ must be unsigned so that later signed->unsigned
2083 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2084 * and it must not be smaller than int because ~ does integral promotion.
2085 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2086 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2087 * The latter is a hack which happens to work on some machines but
2088 * does *not* catch any random system, or things like integer types
2089 * with NaN if that is possible.
2090 *
2091 * All of the types are explicitly cast to prevent accidental loss of
2092 * numeric range, and in the hope that they will be less likely to confuse
2093 * over-eager optimizers.
2094 *
2095 */
27d4fb96 2096
99abf803 2097#define PERL_UCHAR_MIN ((unsigned char)0)
2098
2099#ifdef UCHAR_MAX
2100# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2101#else
99abf803 2102# ifdef MAXUCHAR
2103# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2104# else
99abf803 2105# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2106# endif
2107#endif
d460ef45 2108
99abf803 2109/*
2110 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2111 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2112 * depending on local options. Until Configure detects this (or at least
2113 * detects whether the "signed" keyword is available) the CHAR ranges
2114 * will not be included. UCHAR functions normally.
2115 * - kja
2116 */
27d4fb96 2117
99abf803 2118#define PERL_USHORT_MIN ((unsigned short)0)
2119
2120#ifdef USHORT_MAX
2121# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2122#else
99abf803 2123# ifdef MAXUSHORT
2124# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2125# else
ef2f54b0
CB		 2126# ifdef USHRT_MAX
2127# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2128# else
2129# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2130# endif
27d4fb96 2131# endif
2132#endif
2133
27d4fb96 2134#ifdef SHORT_MAX
99abf803 2135# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2136#else
2137# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2138# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2139# else
ef2f54b0
CB		 2140# ifdef SHRT_MAX
2141# define PERL_SHORT_MAX ((short)SHRT_MAX)
2142# else
2143# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2144# endif
27d4fb96 2145# endif
2146#endif
2147
2148#ifdef SHORT_MIN
99abf803 2149# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2150#else
2151# ifdef MINSHORT
99abf803 2152# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2153# else
ef2f54b0
CB		 2154# ifdef SHRT_MIN
2155# define PERL_SHORT_MIN ((short)SHRT_MIN)
2156# else
2157# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2158# endif
27d4fb96 2159# endif
2160#endif
2161
99abf803 2162#ifdef UINT_MAX
2163# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2164#else
99abf803 2165# ifdef MAXUINT
2166# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2167# else
99abf803 2168# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2169# endif
2170#endif
2171
99abf803 2172#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2173
2174#ifdef INT_MAX
99abf803 2175# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2176#else
2177# ifdef MAXINT /* Often used in <values.h> */
99abf803 2178# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2179# else
99abf803 2180# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2181# endif
2182#endif
2183
2184#ifdef INT_MIN
99abf803 2185# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2186#else
2187# ifdef MININT
99abf803 2188# define PERL_INT_MIN ((int)MININT)
27d4fb96 2189# else
2190# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2191# endif
2192#endif
2193
99abf803 2194#ifdef ULONG_MAX
2195# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2196#else
99abf803 2197# ifdef MAXULONG
2198# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2199# else
99abf803 2200# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2201# endif
2202#endif
2203
99abf803 2204#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2205
760ac839 2206#ifdef LONG_MAX
99abf803 2207# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2208#else
2209# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2210# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2211# else
99abf803 2212# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2213# endif
2214#endif
2215
2216#ifdef LONG_MIN
99abf803 2217# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2218#else
2219# ifdef MINLONG
99abf803 2220# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2221# else
27d4fb96 2222# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2223# endif
2224#endif
2225
d7d93a81 2226#ifdef UV_IS_QUAD
99abf803 2227
99abf803 2228# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2229# define PERL_UQUAD_MIN ((UV)0)
99abf803 2230# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2231# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2232
79072805
LW		 2233#endif
2234
830247a4 2235struct RExC_state_t;
8e11feef 2236struct _reg_trie_data;
880b20b6 2237
ee0007ab 2238typedef MEM_SIZE STRLEN;
450a55e4 2239
598921a7
NC		 2240#ifdef PERL_MAD
2241typedef struct token TOKEN;
2242typedef struct madprop MADPROP;
2243typedef struct nexttoken NEXTTOKE;
2244#endif
79072805
LW		 2245typedef struct op OP;
2246typedef struct cop COP;
2247typedef struct unop UNOP;
2248typedef struct binop BINOP;
2249typedef struct listop LISTOP;
2250typedef struct logop LOGOP;
79072805
LW		 2251typedef struct pmop PMOP;
2252typedef struct svop SVOP;
7934575e 2253typedef struct padop PADOP;
79072805 2254typedef struct pvop PVOP;
79072805
LW		 2255typedef struct loop LOOP;
2256
7aef8e5b 2257#ifdef PERL_CORE
8be227ab
FC		 2258typedef struct opslab OPSLAB;
2259typedef struct opslot OPSLOT;
2260#endif
2261
52db365a 2262typedef struct block_hooks BHK;
1830b3d9 2263typedef struct custom_op XOP;
52db365a 2264
cd1541b2
NC		 2265typedef struct interpreter PerlInterpreter;
2266
d2b3f365 2267/* SGI's <sys/sema.h> has struct sv */
cc3315ba 2268#if defined(__sgi)
d2b3f365 2269# define STRUCT_SV perl_sv
b8d3c5db
JH		 2270#else
2271# define STRUCT_SV sv
2272#endif
2273typedef struct STRUCT_SV SV;
79072805
LW		 2274typedef struct av AV;
2275typedef struct hv HV;
2276typedef struct cv CV;
d2f13c59 2277typedef struct p5rx REGEXP;
79072805 2278typedef struct gp GP;
0c30d9ec 2279typedef struct gv GV;
8990e307 2280typedef struct io IO;
c09156bb 2281typedef struct context PERL_CONTEXT;
79072805
LW		 2282typedef struct block BLOCK;
2283
2284typedef struct magic MAGIC;
2285typedef struct xpv XPV;
2286typedef struct xpviv XPVIV;
ff68c719 2287typedef struct xpvuv XPVUV;
79072805
LW		 2288typedef struct xpvnv XPVNV;
2289typedef struct xpvmg XPVMG;
2290typedef struct xpvlv XPVLV;
d361b004 2291typedef struct xpvinvlist XINVLIST;
79072805
LW		 2292typedef struct xpvav XPVAV;
2293typedef struct xpvhv XPVHV;
2294typedef struct xpvgv XPVGV;
2295typedef struct xpvcv XPVCV;
2296typedef struct xpvbm XPVBM;
2297typedef struct xpvfm XPVFM;
8990e307 2298typedef struct xpvio XPVIO;
79072805
LW		 2299typedef struct mgvtbl MGVTBL;
2300typedef union any ANY;
5f7fde29
GS		 2301typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2302typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2303typedef struct clone_params CLONE_PARAMS;
2304
35e035cc 2305/* a pad or name pad is currently just an AV; but that might change,
7261499d
FC		 2306 * so hide the type. */
2307typedef struct padlist PADLIST;
67634234 2308typedef AV PAD;
35e035cc
FC		 2309typedef AV PADNAMELIST;
2310typedef SV PADNAME;
67634234 2311
13b0f67d
DM		 2312/* enable PERL_NEW_COPY_ON_WRITE by default */
2313#if !defined(PERL_OLD_COPY_ON_WRITE) && !defined(PERL_NEW_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2314# define PERL_NEW_COPY_ON_WRITE
2315#endif
07d01d6e 2316
db2c6cb3
FC		 2317#if defined(PERL_OLD_COPY_ON_WRITE) || defined(PERL_NEW_COPY_ON_WRITE)
2318# if defined(PERL_OLD_COPY_ON_WRITE) && defined(PERL_NEW_COPY_ON_WRITE)
2319# error PERL_OLD_COPY_ON_WRITE and PERL_NEW_COPY_ON_WRITE are exclusive
2320# else
2321# define PERL_ANY_COW
2322# endif
9f351b45
DM		 2323#else
2324# define PERL_SAWAMPERSAND
db2c6cb3
FC		 2325#endif
2326
378cc40b 2327#include "handy.h"
a0d0e21e 2328
6b8eaf93 2329#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2330# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2331# define USE_64_BIT_RAWIO /* implicit */
2332# endif
4564133c
JH		 2333#endif
2334
6b8eaf93
JH		 2335/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2336 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2337 * however, because operating systems like to do that themself. */
2338#ifndef FSEEKSIZE
2339# ifdef HAS_FSEEKO
2340# define FSEEKSIZE LSEEKSIZE
2341# else
2342# define FSEEKSIZE LONGSIZE
d460ef45 2343# endif
6b8eaf93
JH		 2344#endif
2345
2346#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2347# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2348# define USE_64_BIT_STDIO /* implicit */
2349# endif
2350#endif
4564133c 2351
09458382 2352#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2353# ifdef HAS_OFF64_T
2354# undef Off_t
2355# define Off_t off64_t
2356# undef LSEEKSIZE
2357# define LSEEKSIZE 8
5ff3f7a4 2358# endif
d9b3e12d
JH		 2359/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2360 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2361 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2362# if defined(USE_OPEN64)
2363# define open open64
5ff3f7a4 2364# endif
d9b3e12d
JH		 2365# if defined(USE_LSEEK64)
2366# define lseek lseek64
6b8eaf93
JH		 2367# else
2368# if defined(USE_LLSEEK)
2369# define lseek llseek
2370# endif
d9b3e12d
JH		 2371# endif
2372# if defined(USE_STAT64)
2373# define stat stat64
2374# endif
2375# if defined(USE_FSTAT64)
2376# define fstat fstat64
2377# endif
2378# if defined(USE_LSTAT64)
2379# define lstat lstat64
2380# endif
2381# if defined(USE_FLOCK64)
2382# define flock flock64
2383# endif
2384# if defined(USE_LOCKF64)
2385# define lockf lockf64
2386# endif
2387# if defined(USE_FCNTL64)
2388# define fcntl fcntl64
2389# endif
2390# if defined(USE_TRUNCATE64)
2391# define truncate truncate64
2392# endif
2393# if defined(USE_FTRUNCATE64)
2394# define ftruncate ftruncate64
2395# endif
2396#endif
2397
2398#ifdef USE_64_BIT_STDIO
2399# ifdef HAS_FPOS64_T
2400# undef Fpos_t
2401# define Fpos_t fpos64_t
2402# endif
2403/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2404 * will trigger defines like the ones below. Some 64-bit environments,
2405 * however, do not. */
2406# if defined(USE_FOPEN64)
2407# define fopen fopen64
2408# endif
2409# if defined(USE_FSEEK64)
6b8eaf93 2410# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2411# endif
2412# if defined(USE_FTELL64)
6b8eaf93 2413# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2414# endif
2415# if defined(USE_FSETPOS64)
2416# define fsetpos fsetpos64
2417# endif
2418# if defined(USE_FGETPOS64)
2419# define fgetpos fgetpos64
2420# endif
2421# if defined(USE_TMPFILE64)
2422# define tmpfile tmpfile64
2423# endif
2424# if defined(USE_FREOPEN64)
2425# define freopen freopen64
5ff3f7a4
GS		 2426# endif
2427#endif
2428
e37778c2 2429#if defined(OS2)
2c2d71f5
JH		 2430# include "iperlsys.h"
2431#endif
2432
748a9306 2433#ifdef DOSISH
19848b3f
JH		 2434# if defined(OS2)
2435# include "os2ish.h"
2436# else
2437# include "dosish.h"
2438# endif
2439# define ISHISH "dos"
2440#endif
2441
2442#if defined(VMS)
748a9306 2443# include "vmsish.h"
19848b3f
JH		 2444# define ISHISH "vms"
2445#endif
2446
2447#if defined(PLAN9)
2448# include "./plan9/plan9ish.h"
2449# define ISHISH "plan9"
2450#endif
2451
19848b3f 2452#if defined(__VOS__)
196918b0
PG		 2453# ifdef __GNUC__
2454# include "./vos/vosish.h"
2455# else
2456# include "vos/vosish.h"
2457# endif
19848b3f
JH		 2458# define ISHISH "vos"
2459#endif
2460
9969cdde 2461#ifdef __SYMBIAN32__
27da23d5 2462# include "symbian/symbianish.h"
27da23d5
JH		 2463# define ISHISH "symbian"
2464#endif
2465
19848b3f 2466
df00ff3b
IW		 2467#if defined(__HAIKU__)
2468# include "haiku/haikuish.h"
2469# define ISHISH "haiku"
efca5cc6
JH		 2470#endif
2471
19848b3f
JH		 2472#ifndef ISHISH
2473# include "unixish.h"
2474# define ISHISH "unix"
13b6e58c
JH		 2475#endif
2476
2946a158
JH		 2477/* NSIG logic from Configure --> */
2478/* Strange style to avoid deeply-nested #if/#else/#endif */
2479#ifndef NSIG
2480# ifdef _NSIG
2481# define NSIG (_NSIG)
2482# endif
2483#endif
2484
2485#ifndef NSIG
2486# ifdef SIGMAX
2487# define NSIG (SIGMAX+1)
2488# endif
2489#endif
2490
2491#ifndef NSIG
2492# ifdef SIG_MAX
2493# define NSIG (SIG_MAX+1)
2494# endif
2495#endif
2496
2497#ifndef NSIG
2498# ifdef _SIG_MAX
2499# define NSIG (_SIG_MAX+1)
2500# endif
2501#endif
2502
2503#ifndef NSIG
2504# ifdef MAXSIG
2505# define NSIG (MAXSIG+1)
2506# endif
2507#endif
2508
2509#ifndef NSIG
2510# ifdef MAX_SIG
2511# define NSIG (MAX_SIG+1)
2512# endif
2513#endif
2514
2515#ifndef NSIG
2516# ifdef SIGARRAYSIZE
2517# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2518# endif
2519#endif
2520
2521#ifndef NSIG
2522# ifdef _sys_nsig
2523# define NSIG (_sys_nsig) /* Solaris 2.5 */
2524# endif
2525#endif
2526
2527/* Default to some arbitrary number that's big enough to get most
2528 of the common signals.
2529*/
2530#ifndef NSIG
2531# define NSIG 50
2532#endif
2533/* <-- NSIG logic from Configure */
2534
13b6e58c
JH		 2535#ifndef NO_ENVIRON_ARRAY
2536# define USE_ENVIRON_ARRAY
2537#endif
32f822de 2538
c77b533b
JH		 2539/*
2540 * initialise to avoid floating-point exceptions from overflow, etc
2541 */
2542#ifndef PERL_FPU_INIT
2543# ifdef HAS_FPSETMASK
2544# if HAS_FLOATINGPOINT_H
2545# include <floatingpoint.h>
2546# endif
ad3a8c67
NC		 2547/* Some operating systems have this as a macro, which in turn expands to a comma
2548 expression, and the last sub-expression is something that gets calculated,
2549 and then they have the gall to warn that a value computed is not used. Hence
2550 cast to void. */
2551# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2552# else
2f42fcb0 2553# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2554# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2555# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2556# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2557# else
2558# define PERL_FPU_INIT
2f42fcb0 2559
7014c407 2560# endif
c77b533b
JH		 2561# endif
2562#endif
b35112e7
CS		 2563#ifndef PERL_FPU_PRE_EXEC
2564# define PERL_FPU_PRE_EXEC {
2565# define PERL_FPU_POST_EXEC }
2566#endif
c77b533b 2567
cbec8ebe
DM		 2568#ifndef PERL_SYS_INIT3_BODY
2569# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2570#endif
2571
eb533572 2572/*
4ad9e498 2573=for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
eb533572
DM		 2574Provides system-specific tune up of the C runtime environment necessary to
2575run Perl interpreters. This should be called only once, before creating
2576any Perl interpreters.
2577
4ad9e498 2578=for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
eb533572
DM		 2579Provides system-specific tune up of the C runtime environment necessary to
2580run Perl interpreters. This should be called only once, before creating
2581any Perl interpreters.
2582
2583=for apidoc Am|void|PERL_SYS_TERM|
2584Provides system-specific clean up of the C runtime environment after
2585running Perl interpreters. This should be called only once, after
2586freeing any remaining Perl interpreters.
2587
2588=cut
2589 */
2590
cbec8ebe
DM		 2591#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2592#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2593#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2594
be708cc0
JH		 2595#ifndef PERL_WRITE_MSG_TO_CONSOLE
2596# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2597#endif
2598
0f31cffe
GS		 2599#ifndef MAXPATHLEN
2600# ifdef PATH_MAX
b990c8b2
JH		 2601# ifdef _POSIX_PATH_MAX
2602# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2603/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2604 * included the null byte or not. Later amendments of POSIX,
2605 * XPG4, the Austin Group, and the Single UNIX Specification
2606 * all explicitly include the null byte in the PATH_MAX.
2607 * Ditto for _POSIX_PATH_MAX. */
2608# define MAXPATHLEN PATH_MAX
b990c8b2 2609# else
09448d78 2610# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2611# endif
2612# else
2613# define MAXPATHLEN (PATH_MAX+1)
2614# endif
0f31cffe 2615# else
d552bce8 2616# define MAXPATHLEN 1024 /* Err on the large side. */
0f31cffe
GS		 2617# endif
2618#endif
2619
c80263a8
SH		 2620/* In case Configure was not used (we are using a "canned config"
2621 * such as Win32, or a cross-compilation setup, for example) try going
2622 * by the gcc major and minor versions. One useful URL is
2623 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2624 * but contrary to this information warn_unused_result seems
2625 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2626 * Also, when building extensions with an installed perl, this allows
2627 * the user to upgrade gcc and get the right attributes, rather than
2628 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2629 * Set these up now otherwise we get confused when some of the <*thread.h>
2630 * includes below indirectly pull in <perlio.h> (which needs to know if we
2631 * have HASATTRIBUTE_FORMAT).
2632 */
2633
4d7c7898 2634#ifndef PERL_MICRO
fc2007d4 2635#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2636# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2637# define HASATTRIBUTE_DEPRECATED
2638# endif
c80263a8
SH		 2639# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2640# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2641# if defined __MINGW32__
2642# define PRINTF_FORMAT_NULL_OK
2643# endif
c80263a8
SH		 2644# endif
2645# if __GNUC__ >= 3 /* 3.0 -> */
2646# define HASATTRIBUTE_MALLOC
2647# endif
2648# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2649# define HASATTRIBUTE_NONNULL
2650# endif
2651# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2652# define HASATTRIBUTE_NORETURN
2653# endif
2654# if __GNUC__ >= 3 /* gcc 3.0 -> */
2655# define HASATTRIBUTE_PURE
2656# endif
42bf5550 2657# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2658# define HASATTRIBUTE_UNUSED
2659# endif
d324fe49
AD		 2660# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2661# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2662# endif
c80263a8
SH		 2663# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2664# define HASATTRIBUTE_WARN_UNUSED_RESULT
2665# endif
2666#endif
00f254e2 2667#endif /* #ifndef PERL_MICRO */
c80263a8 2668
3db8f154 2669/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2670 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2671 * this results in many functions being undeclared which bothers C++
2672 * May make sense to have threads after "*ish.h" anyway
2673 */
2674
3db8f154 2675#if defined(USE_ITHREADS)
2986a63f
JH		 2676# ifdef NETWARE
2677# include <nw5thread.h>
2678# else
32f822de
GS		 2679# ifdef WIN32
2680# include <win32thread.h>
2681# else
dd96f567
IZ		 2682# ifdef OS2
2683# include "os2thread.h"
2684# else
7f3d1cf1 2685# ifdef I_MACH_CTHREADS
bdd66968 2686# include <mach/cthreads.h>
8f1f23e8 2687# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2688# define MUTEX_INIT_CALLS_MALLOC
2689# endif
7f3d1cf1
BH		 2690typedef cthread_t perl_os_thread;
2691typedef mutex_t perl_mutex;
2692typedef condition_t perl_cond;
2693typedef void * perl_key;
2694# else /* Posix threads */
1f5ae88c
JH		 2695# ifdef I_PTHREAD
2696# include <pthread.h>
2697# endif
7f3d1cf1
BH		 2698typedef pthread_t perl_os_thread;
2699typedef pthread_mutex_t perl_mutex;
2700typedef pthread_cond_t perl_cond;
2701typedef pthread_key_t perl_key;
2702# endif /* I_MACH_CTHREADS */
dd96f567 2703# endif /* OS2 */
32f822de 2704# endif /* WIN32 */
ef4abe76 2705# endif /* NETWARE */
3db8f154 2706#endif /* USE_ITHREADS */
c5be433b 2707
66a93824 2708#if defined(WIN32)
1feb2720 2709# include "win32.h"
c5be433b
GS		 2710#endif
2711
2986a63f
JH		 2712#ifdef NETWARE
2713# include "netware.h"
2714#endif
2715
e5218da5 2716#define STATUS_UNIX PL_statusvalue
68dc0745 2717#ifdef VMS
6b88bc9c 2718# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2719/*
2720 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2721 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2722 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2723 * be updated also.
2724 */
2725# include <stsdef.h>
2726# include <ssdef.h>
2727/* Presume this because if VMS changes it, it will require a new
2728 * set of APIs for waiting on children for binary compatibility.
2729 */
2730# define child_offset_bits (8)
2731# ifndef C_FAC_POSIX
2732# define C_FAC_POSIX 0x35A000
2733# endif
2734
2735/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2736 * platform from the existing UNIX or Native status values.
2737 */
2738
37038d91 2739# define STATUS_EXIT \
7a7fd8e0
JM		 2740 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2741 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2742
7a7fd8e0 2743
fb38d079
JM		 2744/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2745 * exit code and shifts the UNIX value over the correct number of bits to
2746 * be a child status. Usually the number of bits is 8, but that could be
2747 * platform dependent. The NATIVE status code is presumed to have either
2748 * from a child process.
7a7fd8e0
JM		 2749 */
2750
fb38d079
JM		 2751/* This is complicated. The child processes return a true native VMS
2752 status which must be saved. But there is an assumption in Perl that
2753 the UNIX child status has some relationship to errno values, so
00f254e2 2754 Perl tries to translate it to text in some of the tests.
fb38d079
JM		 2755 In order to get the string translation correct, for the error, errno
2756 must be EVMSERR, but that generates a different text message
2757 than what the test programs are expecting. So an errno value must
2758 be derived from the native status value when an error occurs.
2759 That will hide the true native status message. With this version of
2760 perl, the true native child status can always be retrieved so that
2761 is not a problem. But in this case, Pl_statusvalue and errno may
2762 have different values in them.
2763 */
7a7fd8e0 2764
fb38d079 2765# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2766 STMT_START { \
2fbb330f
JM		 2767 I32 evalue = (I32)n; \
2768 if (evalue == EVMSERR) { \
2769 PL_statusvalue_vms = vaxc$errno; \
2770 PL_statusvalue = evalue; \
7a7fd8e0 2771 } else { \
2fbb330f 2772 PL_statusvalue_vms = evalue; \
fb38d079 2773 if (evalue == -1) { \
3280af22 2774 PL_statusvalue = -1; \
7a7fd8e0
JM		 2775 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2776 } else \
fb38d079 2777 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2778 set_vaxc_errno(evalue); \
fb38d079
JM		 2779 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2780 set_errno(EVMSERR); \
2781 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2782 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2783 } \
68dc0745 2784 } STMT_END
7a7fd8e0 2785
68dc0745 2786# ifdef VMSISH_STATUS
e5218da5 2787# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2788# else
e5218da5 2789# define STATUS_CURRENT STATUS_UNIX
68dc0745 2790# endif
7a7fd8e0
JM		 2791
2792 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2793 * the NATIVE status to an equivalent value. Can not be used to translate
2794 * exit code values as exit code values are not guaranteed to have any
2795 * relationship at all to errno values.
2796 * This is used when Perl is forcing errno to have a specific value.
2797 */
e5218da5 2798# define STATUS_UNIX_SET(n) \
68dc0745 2799 STMT_START { \
7a7fd8e0 2800 I32 evalue = (I32)n; \
0968cdad 2801 PL_statusvalue = evalue; \
3280af22 2802 if (PL_statusvalue != -1) { \
0968cdad
JM		 2803 if (PL_statusvalue != EVMSERR) { \
2804 PL_statusvalue &= 0xFFFF; \
2805 if (MY_POSIX_EXIT) \
2806 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2807 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2808 } \
2809 else { \
2810 PL_statusvalue_vms = vaxc$errno; \
2811 } \
68dc0745 2812 } \
0968cdad
JM		 2813 else PL_statusvalue_vms = SS$_ABORT; \
2814 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2815 } STMT_END
2816
2817 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 2818 * the NATIVE error status based on it.
2819 *
2820 * When in the default mode to comply with the Perl VMS documentation,
2821 * 0 is a success and any other code sets the NATIVE status to a failure
2822 * code of SS$_ABORT.
fb38d079
JM		 2823 *
2824 * In the new POSIX EXIT mode, native status will be set so that the
2825 * actual exit code will can be retrieved by the calling program or
2826 * shell.
2827 *
2828 * If the exit code is not clearly a UNIX parent or child exit status,
2829 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2830 */
2831
fb38d079 2832# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2833 STMT_START { \
2834 I32 evalue = (I32)n; \
2835 PL_statusvalue = evalue; \
e08e1e1d
JM		 2836 if (MY_POSIX_EXIT) { \
2837 if (evalue <= 0xFF00) { \
2838 if (evalue > 0xFF) \
2839 evalue = (evalue >> child_offset_bits) & 0xFF; \
2840 PL_statusvalue_vms = \
2841 (C_FAC_POSIX | (evalue << 3 ) | \
2842 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
2843 } else /* forgive them Perl, for they have sinned */ \
2844 PL_statusvalue_vms = evalue; \
2845 } else { \
2846 if (evalue == 0) \
2847 PL_statusvalue_vms = SS$_NORMAL; \
2848 else if (evalue <= 0xFF00) \
2849 PL_statusvalue_vms = SS$_ABORT; \
2850 else { /* forgive them Perl, for they have sinned */ \
2851 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2852 else PL_statusvalue_vms = vaxc$errno; \
2853 /* And obviously used a VMS status value instead of UNIX */ \
2854 PL_statusvalue = EVMSERR; \
2855 } \
2856 set_vaxc_errno(PL_statusvalue_vms); \
2857 } \
68dc0745 2858 } STMT_END
fb38d079 2859
e08e1e1d 2860
6ac6a52b
JM		 2861 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2862 * and sets the NATIVE error status based on it. This special case
2863 * is needed to maintain compatibility with past VMS behavior.
2864 *
2865 * In the default mode on VMS, this number is passed through as
2866 * both the NATIVE and UNIX status. Which makes it different
2867 * that the STATUS_UNIX_EXIT_SET.
2868 *
2869 * In the new POSIX EXIT mode, native status will be set so that the
2870 * actual exit code will can be retrieved by the calling program or
2871 * shell.
2872 *
1a3aec58
JM		 2873 * A POSIX exit code is from 0 to 255. If the exit code is higher
2874 * than this, it needs to be assumed that it is a VMS exit code and
2875 * passed through.
6ac6a52b
JM		 2876 */
2877
2878# define STATUS_EXIT_SET(n) \
2879 STMT_START { \
2880 I32 evalue = (I32)n; \
2881 PL_statusvalue = evalue; \
2882 if (MY_POSIX_EXIT) \
1a3aec58
JM		 2883 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
2884 PL_statusvalue_vms = \
2885 (C_FAC_POSIX | (evalue << 3 ) | \
2886 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 2887 else \
2888 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2889 set_vaxc_errno(PL_statusvalue_vms); \
2890 } STMT_END
2891
fb38d079
JM		 2892
2893 /* This macro forces a success status */
7a7fd8e0
JM		 2894# define STATUS_ALL_SUCCESS \
2895 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 2896
2897 /* This macro forces a failure status */
7a7fd8e0
JM		 2898# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2899 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2900 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2901
68dc0745 2902#else
e5218da5 2903# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2904# if defined(WCOREDUMP)
37038d91 2905# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2906 STMT_START { \
2907 PL_statusvalue_posix = (n); \
2908 if (PL_statusvalue_posix == -1) \
2909 PL_statusvalue = -1; \
2910 else { \
2911 PL_statusvalue = \
2912 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2913 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2914 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2915 } \
2916 } STMT_END
2917# elif defined(WIFEXITED)
37038d91 2918# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2919 STMT_START { \
2920 PL_statusvalue_posix = (n); \
2921 if (PL_statusvalue_posix == -1) \
2922 PL_statusvalue = -1; \
2923 else { \
2924 PL_statusvalue = \
2925 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2926 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2927 } \
2928 } STMT_END
2929# else
37038d91 2930# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2931 STMT_START { \
2932 PL_statusvalue_posix = (n); \
2933 if (PL_statusvalue_posix == -1) \
2934 PL_statusvalue = -1; \
2935 else { \
2936 PL_statusvalue = \
2937 PL_statusvalue_posix & 0xFFFF; \
2938 } \
2939 } STMT_END
2940# endif
2941# define STATUS_UNIX_SET(n) \
68dc0745 2942 STMT_START { \
3280af22
NIS		 2943 PL_statusvalue = (n); \
2944 if (PL_statusvalue != -1) \
2945 PL_statusvalue &= 0xFFFF; \
68dc0745 2946 } STMT_END
7a7fd8e0 2947# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2948# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2949# define STATUS_CURRENT STATUS_UNIX
37038d91 2950# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 2951# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2952# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 2953#endif
2954
cc3604b1
GS		 2955/* flags in PL_exit_flags for nature of exit() */
2956#define PERL_EXIT_EXPECTED 0x01
31d77e54 2957#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
6136213b
JGM		 2958#define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */
2959#define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */
cc3604b1 2960
b79b76e0 2961#ifndef PERL_CORE
a7cb1f99 2962/* format to use for version numbers in file/directory names */
273cf8d1 2963/* XXX move to Configure? */
b79b76e0
NC		 2964/* This was only ever used for the current version, and that can be done at
2965 compile time, as PERL_FS_VERSION, so should we just delete it? */
2966# ifndef PERL_FS_VER_FMT
2967# define PERL_FS_VER_FMT "%d.%d.%d"
2968# endif
2969#endif
2970
2971#ifndef PERL_FS_VERSION
2972# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS		 2973#endif
2974
45bc9206 2975/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2976 * performance issue, so we allow people to disable it. Also, if
2977 * we are using stdio, there are broken implementations of fflush(NULL)
2978 * out there, Solaris being the most prominent.
45bc9206
GS		 2979 */
2980#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2981# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2982# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2983# else
2984# ifdef FFLUSH_ALL
2985# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2986# else
c5be433b 2987# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2988# endif
66fe083f 2989# endif
45bc9206
GS		 2990#endif
2991
7766f137
GS		 2992#ifndef PERL_WAIT_FOR_CHILDREN
2993# define PERL_WAIT_FOR_CHILDREN NOOP
2994#endif
2995
ba869deb 2996/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2997#ifndef PERL_SET_INTERP
2998# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2999#endif
3000
3001#ifndef PERL_GET_INTERP
3002# define PERL_GET_INTERP (PL_curinterp)
3003#endif
3004
54aff467 3005#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3006# ifdef MULTIPLICITY
ba869deb 3007# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3008# endif
ba869deb
GS		 3009# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3010#endif
3011
00f254e2 3012/*
8896765a 3013 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3014 All that is required is that the perl source does not
00f254e2
KW		 3015 use "%-p" or "%-<number>p" or "%<number>p" formats.
3016 These formats will still work in perl code.
486ec47a 3017 See comments in sv.c for further details.
8896765a 3018
8896765a 3019 Robin Barker 2005-07-14
f46d31f2 3020
00f254e2 3021 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3022*/
8896765a
RB		 3023
3024#ifndef SVf_
63ce7bf0 3025# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3026#endif
3027
8896765a 3028#ifndef SVf
104abab4 3029# define SVf "-p"
d2560b70
RB		 3030#endif
3031
014ead4b 3032#ifndef SVf32
8896765a 3033# define SVf32 SVf_(32)
014ead4b
RB		 3034#endif
3035
3036#ifndef SVf256
8896765a
RB		 3037# define SVf256 SVf_(256)
3038#endif
3039
be2597df
MHM		 3040#define SVfARG(p) ((void*)(p))
3041
20023040
FC		 3042#ifndef HEKf
3043# define HEKf "2p"
3044#endif
3045
b8fa5213
FC		 3046/* Not ideal, but we cannot easily include a number in an already-numeric
3047 * format sequence. */
3048#ifndef HEKf256
3049# define HEKf256 "3p"
3050#endif
3051
20023040
FC		 3052#define HEKfARG(p) ((void*)(p))
3053
b17a0679
FC		 3054/* Takes three arguments: is_utf8, length, str */
3055#ifndef UTF8f
3056# define UTF8f "d%"UVuf"%4p"
3057#endif
3058#define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
3059
f46d31f2 3060#ifdef PERL_CORE
486ec47a 3061/* not used; but needed for backward compatibility with XS code? - RMB */
f46d31f2
RB		 3062# undef VDf
3063#else
3064# ifndef VDf
8896765a
RB		 3065# define VDf "vd"
3066# endif
014ead4b 3067#endif
170cd9e9
NC		 3068
3069#ifdef PERL_CORE
486ec47a 3070/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB		 3071# undef UVf
3072#else
170cd9e9
NC		 3073# ifndef UVf
3074# define UVf UVuf
3075# endif
d2560b70
RB		 3076#endif
3077
fcdf39cf
RGS		 3078#ifdef HASATTRIBUTE_DEPRECATED
3079# define __attribute__deprecated__ __attribute__((deprecated))
3080#endif
0dbb1585
AL		 3081#ifdef HASATTRIBUTE_FORMAT
3082# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3083#endif
3084#ifdef HASATTRIBUTE_MALLOC
77785eea 3085# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3086#endif
0dbb1585 3087#ifdef HASATTRIBUTE_NONNULL
abb2c242 3088# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3089#endif
0dbb1585 3090#ifdef HASATTRIBUTE_NORETURN
abb2c242 3091# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3092#endif
0dbb1585 3093#ifdef HASATTRIBUTE_PURE
abb2c242 3094# define __attribute__pure__ __attribute__((pure))
f22be1b8 3095#endif
0dbb1585
AL		 3096#ifdef HASATTRIBUTE_UNUSED
3097# define __attribute__unused__ __attribute__((unused))
3098#endif
3099#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3100# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3101#endif
3102
0dbb1585 3103/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3104#ifndef __attribute__deprecated__
3105# define __attribute__deprecated__
3106#endif
0dbb1585
AL		 3107#ifndef __attribute__format__
3108# define __attribute__format__(x,y,z)
3109#endif
f22be1b8 3110#ifndef __attribute__malloc__
abb2c242 3111# define __attribute__malloc__
f22be1b8
JH		 3112#endif
3113#ifndef __attribute__nonnull__
abb2c242 3114# define __attribute__nonnull__(a)
f22be1b8
JH		 3115#endif
3116#ifndef __attribute__noreturn__
abb2c242 3117# define __attribute__noreturn__
f22be1b8
JH		 3118#endif
3119#ifndef __attribute__pure__
abb2c242 3120# define __attribute__pure__
f22be1b8 3121#endif
0dbb1585
AL		 3122#ifndef __attribute__unused__
3123# define __attribute__unused__
3124#endif
f22be1b8 3125#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3126# define __attribute__warn_unused_result__
3127#endif
3128
0dbb1585
AL		 3129/* For functions that are marked as __attribute__noreturn__, it's not
3130 appropriate to call return. In either case, include the lint directive.
3131 */
3132#ifdef HASATTRIBUTE_NORETURN
118e2215 3133# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */
0dbb1585 3134#else
118e2215 3135# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */ return 0
abb2c242
JH		 3136#endif
3137
cdfeb707
RB		 3138/* Some OS warn on NULL format to printf */
3139#ifdef PRINTF_FORMAT_NULL_OK
3140# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3141#else
00f254e2 3142# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB		 3143#endif
3144
635aebb7 3145#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3146# define EXPECT(expr,val) __builtin_expect(expr,val)
3147#else
3148# define EXPECT(expr,val) (expr)
3149#endif
6d5abc62
NC		 3150#define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3151#define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
635aebb7
AL		 3152#ifdef HAS_BUILTIN_CHOOSE_EXPR
3153/* placeholder */
3154#endif
b37c2d43 3155
3fc1aec6 3156/* Some unistd.h's give a prototype for pause() even though
3157 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3158 below to be rejected by the compiler. Sigh.
3fc1aec6 3159*/
3160#ifdef HAS_PAUSE
3161#define Pause pause
3162#else
3163#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3164#endif
3165
3166#ifndef IOCPARM_LEN
3167# ifdef IOCPARM_MASK
61f1c44b 3168 /* on BSDish systems we're safe */
748a9306
LW		 3169# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3170# else
61f1c44b 3171# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3172 /* on Linux systems we're safe; except when we're not [perl #38223] */
3173# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3174# else
748a9306 3175 /* otherwise guess at what's safe */
61f1c44b
JVD		 3176# define IOCPARM_LEN(x) 256
3177# endif
748a9306 3178# endif
a0d0e21e
LW		 3179#endif
3180
1761cee5 3181#if defined(__CYGWIN__)
521e0776
GS		 3182/* USEMYBINMODE
3183 * This symbol, if defined, indicates that the program should
16fe6d59 3184 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3185 * that a file is in "binary" mode -- that is, that no translation
3186 * of bytes occurs on read or write operations.
3187 */
36894f0b 3188# define USEMYBINMODE /**/
77a40698 3189# include <io.h> /* for setmode() prototype */
16fe6d59 3190# define my_binmode(fp, iotype, mode) \
77a40698 3191 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3192#endif
3193
88d10794
JH		 3194#ifdef __CYGWIN__
3195void init_os_extras(void);
3196#endif
3197
cea2e8a9
GS		 3198#ifdef UNION_ANY_DEFINITION
3199UNION_ANY_DEFINITION;
3200#else
3201union any {
3202 void* any_ptr;
3203 I32 any_i32;
3204 IV any_iv;
c6bf6a65 3205 UV any_uv;
cea2e8a9 3206 long any_long;
9febdf04 3207 bool any_bool;
c76ac1ee 3208 void (*any_dptr) (void*);
acfe0abc 3209 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3210};
3211#endif
3212
acfe0abc 3213typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3214
3215#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3216#define FILTER_DATA(idx) \
3217 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3218#define FILTER_ISREADER(idx) \
3219 (PL_parser && PL_parser->rsfp_filters \
3220 && idx >= AvFILLp(PL_parser->rsfp_filters))
3221#define PERL_FILTER_EXISTS(i) \
3222 (PL_parser && PL_parser->rsfp_filters \
3223 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3224
c5078cac
JH		 3225#if defined(_AIX) && !defined(_AIX43)
3226#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3227/* We cannot include <crypt.h> to get the struct crypt_data
3228 * because of setkey prototype problems when threading */
3229typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3230 /* From OSF, Not needed in AIX
3231 char C[28], D[28];
3232 */
3233 char E[48];
3234 char KS[16][48];
3235 char block[66];
3236 char iobuf[16];
3237} CRYPTD;
3238#endif /* threading */
3239#endif /* AIX */
3240
e37778c2 3241#if !defined(OS2)
2c2d71f5
JH		 3242# include "iperlsys.h"
3243#endif
504f80c1 3244
9c12f1e5 3245#ifdef __LIBCATAMOUNT__
00f254e2 3246#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS		 3247#undef HAS_GROUP
3248#define FAKE_BIT_BUCKET
3249#endif
3250
d10dc2ae
JH		 3251/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3252 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3253 * defined by Configure, despite their names being similar to the
3254 * other defines like USE_ITHREADS. Configure in fact knows nothing
3255 * about the randomised hashes. Therefore to enable/disable the hash
3256 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3257#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3258# define USE_HASH_SEED
504f80c1
JH		 3259#endif
3260
598921a7
NC		 3261/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3262 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3263 * it's not really needed.
3264 */
3265#if defined(WIN32)
3266# define YYTOKENTYPE
3267#endif
3268#include "perly.h"
3269
3270#ifdef PERL_MAD
3271struct nexttoken {
3272 YYSTYPE next_val; /* value of next token, if any */
3273 I32 next_type; /* type of next token */
3274 MADPROP *next_mad; /* everything else about that token */
3275};
3276#endif
3277
654eccd5
JD		 3278/* macros to define bit-fields in structs. */
3279#ifndef PERL_BITFIELD8
3280# define PERL_BITFIELD8 unsigned
3281#endif
3282#ifndef PERL_BITFIELD16
3283# define PERL_BITFIELD16 unsigned
3284#endif
3285#ifndef PERL_BITFIELD32
3286# define PERL_BITFIELD32 unsigned
3287#endif
3288
79072805 3289#include "sv.h"
288b8c02 3290#include "regexp.h"
378cc40b 3291#include "util.h"
8d063cd8 3292#include "form.h"
79072805 3293#include "gv.h"
dd2155a4 3294#include "pad.h"
79072805 3295#include "cv.h"
abdd5c84 3296#include "opnames.h"
79072805 3297#include "op.h"
b3ca2e83 3298#include "hv.h"
79072805
LW		 3299#include "cop.h"
3300#include "av.h"
79072805
LW		 3301#include "mg.h"
3302#include "scope.h"
4438c4b7 3303#include "warnings.h"
a0ed51b3 3304#include "utf8.h"
8d063cd8 3305
0d7d409d
DM		 3306/* these would be in doio.h if there was such a file */
3307#define my_stat() my_stat_flags(SV_GMAGIC)
3308#define my_lstat() my_lstat_flags(SV_GMAGIC)
3309
20f4945e 3310/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM		 3311#undef _XPV_HEAD
3312#undef _XPVMG_HEAD
3313#undef _XPVCV_COMMON
7fae4e64
GS		 3314
3315typedef struct _sublex_info SUBLEXINFO;
3316struct _sublex_info {
651b5b28
NC		 3317 U8 super_state; /* lexer state to save */
3318 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3319 OP *sub_op; /* "lex_op" to use */
7cc34111 3320 SV *repl; /* replacement of s/// or y/// */
7fae4e64
GS		 3321};
3322
199e78b7
DM		 3323#include "parser.h"
3324
455ece5e 3325typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3326
2c2d71f5 3327struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3328struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3329
5f7fde29
GS		 3330struct ptr_tbl_ent {
3331 struct ptr_tbl_ent* next;
53c1dcc0 3332 const void* oldval;
5f7fde29 3333 void* newval;
d18c6117
GS		 3334};
3335
5f7fde29
GS		 3336struct ptr_tbl {
3337 struct ptr_tbl_ent** tbl_ary;
3338 UV tbl_max;
3339 UV tbl_items;
db93c0c4
NC		 3340 struct ptr_tbl_arena *tbl_arena;
3341 struct ptr_tbl_ent *tbl_arena_next;
3342 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS		 3343};
3344
fe14fcc3
LW		 3345#if defined(htonl) && !defined(HAS_HTONL)
3346#define HAS_HTONL
ae986130 3347#endif
fe14fcc3
LW		 3348#if defined(htons) && !defined(HAS_HTONS)
3349#define HAS_HTONS
ae986130 3350#endif
fe14fcc3
LW		 3351#if defined(ntohl) && !defined(HAS_NTOHL)
3352#define HAS_NTOHL
ae986130 3353#endif
fe14fcc3
LW		 3354#if defined(ntohs) && !defined(HAS_NTOHS)
3355#define HAS_NTOHS
ae986130 3356#endif
fe14fcc3 3357#ifndef HAS_HTONL
fe14fcc3
LW		 3358#define HAS_HTONS
3359#define HAS_HTONL
3360#define HAS_NTOHS
3361#define HAS_NTOHL
8e2d7c44
NC		 3362# if (BYTEORDER & 0xffff) == 0x4321
3363/* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3364 re-order their values. However, to behave identically to the alternative
3365 implementations, they should truncate to the correct size. */
3366# define ntohl(x) ((x)&0xFFFFFFFF)
3367# define htonl(x) ntohl(x)
3368# define ntohs(x) ((x)&0xFFFF)
3369# define htons(x) ntohs(x)
e4b03fed
NC		 3370# elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3371
3372/* Note that we can't straight out declare our own htonl and htons because
3373 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
3374 to avoid the overhead of initialising the socket subsystem, but the headers
3375 that *declare* the various functions are still seen. If we declare our own
3376 htonl etc they will clash with the declarations in the Win32 headers. */
3377
3378PERL_STATIC_INLINE U32
3379my_swap32(const U32 x) {
3380 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
3381 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
3382}
3383
3384PERL_STATIC_INLINE U16
3385my_swap16(const U16 x) {
3386 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
3387}
3388
3389# define htonl(x) my_swap32(x)
3390# define ntohl(x) my_swap32(x)
3391# define ntohs(x) my_swap16(x)
3392# define htons(x) my_swap16(x)
8e2d7c44 3393# else
691a44df
NC		 3394# error "Unsupported byteorder"
3395/* The C pre-processor doesn't let us return the value of BYTEORDER as part of
3396 the error message. Please check the value of the macro BYTEORDER, as defined
3397 in config.h. The values of BYTEORDER we expect are
3398
3399 big endian little endian
3400 32 bit 0x4321 0x1234
3401 64 bit 0x87654321 0x12345678
3402
3403 If you have a system with a different byte order, please see
3404 pod/perlhack.pod for how to submit a patch to add supporting code.
3405*/
3406# endif
a687059c
LW		 3407#endif
3408
988174c1
LW		 3409/*
3410 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3411 * -DWS
3412 */
5ae72479 3413#if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
260c6fee
NC		 3414/* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
3415 re-order their values. However, to behave identically to the alternative
3416 implementations, they should truncate to the correct size. */
3417# define vtohl(x) ((x)&0xFFFFFFFF)
3418# define vtohs(x) ((x)&0xFFFF)
3419# define htovl(x) vtohl(x)
3420# define htovs(x) vtohs(x)
545872c5 3421#elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3422# define vtohl(x) ((((x)&0xFF)<<24) \
3423 +(((x)>>24)&0xFF) \
3424 +(((x)&0x0000FF00)<<8) \
3425 +(((x)&0x00FF0000)>>8) )
3426# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3427# define htovl(x) vtohl(x)
3428# define htovs(x) vtohs(x)
545872c5
NC		 3429#else
3430# error "Unsupported byteorder"
3431/* If you have need for current perl on PDP-11 or similar, and can help test
3432 that blead keeps working on a mixed-endian system, then see
3433 pod/perlhack.pod for how to submit patches to things working again. */
2a8c3029 3434#endif
988174c1 3435
3bb7c1b4
JH		 3436/* *MAX Plus 1. A floating point value.
3437 Hopefully expressed in a way that dodgy floating point can't mess up.
3438 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3439 is added to it
3440 May find that some broken compiler will want the value cast to I32.
3441 [after the shift, as signed >> may not be as secure as unsigned >>]
3442*/
3443#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3444#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3445/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3446 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3447 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3448*/
3449#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3450
3bb7c1b4
JH		 3451#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3452#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3453#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3454
3455/* This may look like unnecessary jumping through hoops, but converting
3456 out of range floating point values to integers *is* undefined behaviour,
3457 and it is starting to bite.
3458*/
3459#ifndef CAST_INLINE
65202027 3460#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3461#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3462#define I_V(what) (cast_iv((NV)(what)))
3463#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3464#else
3465#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3466 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3467 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3468#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3469 : ((n) < U32_MAX_P1 ? (U32) (n) \
3470 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3471#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3472 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3473 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3474#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3475 : ((n) < UV_MAX_P1 ? (UV) (n) \
3476 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3477#endif
3478
3479#define U_S(what) ((U16)U_32(what))
3480#define U_I(what) ((unsigned int)U_32(what))
3481#define U_L(what) U_32(what)
ed6116ce 3482
ed140128
AD		 3483#ifdef HAS_SIGNBIT
3484# define Perl_signbit signbit
3485#endif
3486
2d4389e4
JH		 3487/* These do not care about the fractional part, only about the range. */
3488#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3489#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3490
25da4f38
IZ		 3491/* Used with UV/IV arguments: */
3492 /* XXXX: need to speed it up */
3493#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3494#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3495
352d5a3a
LW		 3496#ifndef MAXSYSFD
3497# define MAXSYSFD 2
3498#endif
ee0007ab 3499
79072805 3500#ifndef __cplusplus
e37d7e38 3501#if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3502Uid_t getuid (void);
3503Uid_t geteuid (void);
3504Gid_t getgid (void);
3505Gid_t getegid (void);
79072805 3506#endif
e1caacb4 3507#endif
8d063cd8 3508
0c30d9ec 3509#ifndef Perl_debug_log
bf49b057
GS		 3510# define Perl_debug_log PerlIO_stderr()
3511#endif
3512
3513#ifndef Perl_error_log
3514# define Perl_error_log (PL_stderrgv \
6b78add2 3515 && isGV(PL_stderrgv) \
01bb7c6d 3516 && GvIOp(PL_stderrgv) \
42de951c 3517 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3518 ? IoOFP(GvIOp(PL_stderrgv)) \
3519 : PerlIO_stderr())
0c30d9ec 3520#endif
3967c732 3521
aea4f609
DM		 3522
3523#define DEBUG_p_FLAG 0x00000001 /* 1 */
3524#define DEBUG_s_FLAG 0x00000002 /* 2 */
3525#define DEBUG_l_FLAG 0x00000004 /* 4 */
3526#define DEBUG_t_FLAG 0x00000008 /* 8 */
3527#define DEBUG_o_FLAG 0x00000010 /* 16 */
3528#define DEBUG_c_FLAG 0x00000020 /* 32 */
3529#define DEBUG_P_FLAG 0x00000040 /* 64 */
3530#define DEBUG_m_FLAG 0x00000080 /* 128 */
3531#define DEBUG_f_FLAG 0x00000100 /* 256 */
3532#define DEBUG_r_FLAG 0x00000200 /* 512 */
3533#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3534#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3535/* U is reserved for Unofficial, exploratory hacking */
3536#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3537#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3538#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3539#define DEBUG_D_FLAG 0x00008000 /* 32768 */
56967202 3540#define DEBUG_S_FLAG 0x00010000 /* 65536 */
aea4f609 3541#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3542#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3543#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3544#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3545#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3546#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3547#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 3548#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3549#define DEBUG_B_FLAG 0x02000000 /*33554432*/
56967202 3550#define DEBUG_MASK 0x03FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3551
3552#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3553#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3554 that something was done? */
aea4f609 3555
bd16a5f0
IZ		 3556# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3557# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3558# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3559# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3560# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3561# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3562# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3563# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3564# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3565# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3566# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3567# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3568# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3569# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3570# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3571# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
56967202 3572# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
bd16a5f0
IZ		 3573# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3574# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3575# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3576# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3577# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3578# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3579# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3580# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3581# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3582# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3583# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3584# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3585
3967c732 3586#ifdef DEBUGGING
aea4f609 3587
bd16a5f0
IZ		 3588# define DEBUG_p_TEST DEBUG_p_TEST_
3589# define DEBUG_s_TEST DEBUG_s_TEST_
3590# define DEBUG_l_TEST DEBUG_l_TEST_
3591# define DEBUG_t_TEST DEBUG_t_TEST_
3592# define DEBUG_o_TEST DEBUG_o_TEST_
3593# define DEBUG_c_TEST DEBUG_c_TEST_
3594# define DEBUG_P_TEST DEBUG_P_TEST_
3595# define DEBUG_m_TEST DEBUG_m_TEST_
3596# define DEBUG_f_TEST DEBUG_f_TEST_
3597# define DEBUG_r_TEST DEBUG_r_TEST_
3598# define DEBUG_x_TEST DEBUG_x_TEST_
3599# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3600# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3601# define DEBUG_H_TEST DEBUG_H_TEST_
3602# define DEBUG_X_TEST DEBUG_X_TEST_
3603# define DEBUG_D_TEST DEBUG_D_TEST_
56967202 3604# define DEBUG_S_TEST DEBUG_S_TEST_
bd16a5f0
IZ		 3605# define DEBUG_T_TEST DEBUG_T_TEST_
3606# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3607# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3608# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3609# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3610# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3611# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3612# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3613# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC		 3614# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3615# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3616# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3617
488b0c7a
JH		 3618# define PERL_DEB(a) a
3619# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3620# define DEBUG_p(a) if (DEBUG_p_TEST) a
3621# define DEBUG_s(a) if (DEBUG_s_TEST) a
3622# define DEBUG_l(a) if (DEBUG_l_TEST) a
3623# define DEBUG_t(a) if (DEBUG_t_TEST) a
3624# define DEBUG_o(a) if (DEBUG_o_TEST) a
3625# define DEBUG_c(a) if (DEBUG_c_TEST) a
3626# define DEBUG_P(a) if (DEBUG_P_TEST) a
3627
969058bb
VK		 3628 /* Temporarily turn off memory debugging in case the a
3629 * does memory allocation, either directly or indirectly. */
acfe0abc 3630# define DEBUG_m(a) \
0b250b9e 3631 STMT_START { \
aea4f609 3632 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3633 } STMT_END
aea4f609 3634
5f80b19c
AMS		 3635# define DEBUG__(t, a) \
3636 STMT_START { \
3637 if (t) STMT_START {a;} STMT_END; \
3638 } STMT_END
3639
3640# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3641#ifndef PERL_EXT_RE_BUILD
5f80b19c 3642# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3643#else
3644# define DEBUG_r(a) STMT_START {a;} STMT_END
3645#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3646# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3647# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3648# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3649# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3650# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3651# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3652# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3653# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3654# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3655
56967202 3656# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
5f80b19c
AMS		 3657# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3658# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3659# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3660# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3661# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3662# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3663# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3664# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM		 3665
3666#else /* DEBUGGING */
3667
3668# define DEBUG_p_TEST (0)
3669# define DEBUG_s_TEST (0)
3670# define DEBUG_l_TEST (0)
3671# define DEBUG_t_TEST (0)
3672# define DEBUG_o_TEST (0)
3673# define DEBUG_c_TEST (0)
3674# define DEBUG_P_TEST (0)
3675# define DEBUG_m_TEST (0)
3676# define DEBUG_f_TEST (0)
3677# define DEBUG_r_TEST (0)
3678# define DEBUG_x_TEST (0)
3679# define DEBUG_u_TEST (0)
88d2d28a 3680# define DEBUG_U_TEST (0)
aea4f609
DM		 3681# define DEBUG_H_TEST (0)
3682# define DEBUG_X_TEST (0)
3683# define DEBUG_D_TEST (0)
56967202 3684# define DEBUG_S_TEST (0)
aea4f609 3685# define DEBUG_T_TEST (0)
04932ac8 3686# define DEBUG_R_TEST (0)
1045810a 3687# define DEBUG_J_TEST (0)
d6721266 3688# define DEBUG_v_TEST (0)
46187eeb 3689# define DEBUG_C_TEST (0)
ecae49c0
NC		 3690# define DEBUG_A_TEST (0)
3691# define DEBUG_q_TEST (0)
d7c0d282 3692# define DEBUG_M_TEST (0)
cc8773c0 3693# define DEBUG_B_TEST (0)
7949c6f5
JC		 3694# define DEBUG_Xv_TEST (0)
3695# define DEBUG_Uv_TEST (0)
ad9e76a8 3696# define DEBUG_Pv_TEST (0)
aea4f609 3697
488b0c7a
JH		 3698# define PERL_DEB(a)
3699# define PERL_DEBUG(a)
aea4f609
DM		 3700# define DEBUG_p(a)
3701# define DEBUG_s(a)
3702# define DEBUG_l(a)
3703# define DEBUG_t(a)
3704# define DEBUG_o(a)
3705# define DEBUG_c(a)
3706# define DEBUG_P(a)
3707# define DEBUG_m(a)
3708# define DEBUG_f(a)
3709# define DEBUG_r(a)
3710# define DEBUG_x(a)
3711# define DEBUG_u(a)
88d2d28a 3712# define DEBUG_U(a)
aea4f609
DM		 3713# define DEBUG_H(a)
3714# define DEBUG_X(a)
3715# define DEBUG_D(a)
56967202 3716# define DEBUG_S(a)
aea4f609 3717# define DEBUG_T(a)
04932ac8 3718# define DEBUG_R(a)
d6721266 3719# define DEBUG_v(a)
46187eeb 3720# define DEBUG_C(a)
ecae49c0
NC		 3721# define DEBUG_A(a)
3722# define DEBUG_q(a)
d7c0d282 3723# define DEBUG_M(a)
cc8773c0 3724# define DEBUG_B(a)
7949c6f5
JC		 3725# define DEBUG_Xv(a)
3726# define DEBUG_Uv(a)
ad9e76a8 3727# define DEBUG_Pv(a)
aea4f609
DM		 3728#endif /* DEBUGGING */
3729
3730
b4ab917c 3731#define DEBUG_SCOPE(where) \
d9f81b50 3732 DEBUG_l( \
1c98cc53
DM		 3733 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
3734 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
d9f81b50 3735 __FILE__, __LINE__));
b4ab917c 3736
de84dc04
NC		 3737#if defined(DEBUGGING) && defined(I_ASSERT)
3738# include <assert.h>
3739#endif