This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
https://perl5.git.perl.org / perl5.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Update AutoLoader to CPAN version 5.74
[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
d460ef45 25#ifdef PERL_MICRO
12ae5dfc
JH		 26# include "uconfig.h"
27#else
b0f06652
VK		 28# ifndef USE_CROSS_COMPILE
29# include "config.h"
30# else
31# include "xconfig.h"
32# endif
12ae5dfc 33#endif
0cb96387 34
2c2d71f5
JH		 35/* See L<perlguts/"The Perl API"> for detailed notes on
36 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
37
ac6bedea
JH		 38/* Note that from here --> to <-- the same logic is
39 * repeated in makedef.pl, so be certain to update
40 * both places when editing. */
41
6f4183fe 42#ifdef USE_ITHREADS
acfe0abc 43# if !defined(MULTIPLICITY)
6f4183fe
GS		 44# define MULTIPLICITY
45# endif
46#endif
47
27da23d5
JH		 48#ifdef PERL_GLOBAL_STRUCT_PRIVATE
49# ifndef PERL_GLOBAL_STRUCT
50# define PERL_GLOBAL_STRUCT
51# endif
52#endif
97aff369 53
27da23d5
JH		 54#ifdef PERL_GLOBAL_STRUCT
55# ifndef MULTIPLICITY
56# define MULTIPLICITY
57# endif
58#endif
59
97aff369
JH		 60#ifdef MULTIPLICITY
61# ifndef PERL_IMPLICIT_CONTEXT
62# define PERL_IMPLICIT_CONTEXT
63# endif
64#endif
65
026fd48b
GH		 66/* undef WIN32 when building on Cygwin (for libwin32) - gph */
67#ifdef __CYGWIN__
68# undef WIN32
69# undef _WIN32
70#endif
71
27da23d5
JH		 72#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
73# ifndef SYMBIAN
74# define SYMBIAN
75# endif
76#endif
77
a0fd4948 78#ifdef __SYMBIAN32__
27da23d5
JH		 79# include "symbian/symbian_proto.h"
80#endif
81
82/* Any stack-challenged places. The limit varies (and often
83 * is configurable), but using more than a kilobyte of stack
84 * is usually dubious in these systems. */
739a0b84
NC		 85#if defined(__SYMBIAN32__)
86/* Symbian: need to work around the SDK features. *
27da23d5
JH		 87 * On WINS: MS VC5 generates calls to _chkstk, *
88 * if a "large" stack frame is allocated. *
89 * gcc on MARM does not generate calls like these. */
90# define USE_HEAP_INSTEAD_OF_STACK
91#endif
92
dd134d2c 93/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 94/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 95#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 96# define USE_REENTRANT_API
97#endif
98
ac6bedea
JH		 99/* <--- here ends the logic shared by perl.h and makedef.pl */
100
9ea40801
SH		 101/* Microsoft Visual C++ 6.0 needs special treatment in numerous places */
102#if defined(WIN32) && defined(_MSC_VER) && _MSC_VER >= 1200 && _MSC_VER < 1300
103# define USING_MSVC6
104#endif
105
cf5a8da6
MHM		 106#undef START_EXTERN_C
107#undef END_EXTERN_C
108#undef EXTERN_C
109#ifdef __cplusplus
110# define START_EXTERN_C extern "C" {
111# define END_EXTERN_C }
112# define EXTERN_C extern "C"
113#else
114# define START_EXTERN_C
115# define END_EXTERN_C
116# define EXTERN_C extern
117#endif
118
17a6c8e3
AD		 119/* Fallback definitions in case we don't have definitions from config.h.
120 This should only matter for systems that don't use Configure and
121 haven't been modified to define PERL_STATIC_INLINE yet.
122*/
123#if !defined(PERL_STATIC_INLINE)
124# ifdef HAS_STATIC_INLINE
125# define PERL_STATIC_INLINE static inline
126# else
127# define PERL_STATIC_INLINE static
128# endif
129#endif
130
27da23d5
JH		 131#ifdef PERL_GLOBAL_STRUCT
132# ifndef PERL_GET_VARS
133# ifdef PERL_GLOBAL_STRUCT_PRIVATE
cf5a8da6 134 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
27da23d5
JH		 135# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
136# ifndef PERLIO_FUNCS_CONST
137# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
138# endif
139# else
140# define PERL_GET_VARS() PL_VarsPtr
141# endif
142# endif
143#endif
144
5aaab254 145#define pVAR struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH		 146
147#ifdef PERL_GLOBAL_STRUCT
148# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
149#else
150# define dVAR dNOOP
151#endif
152
c5be433b 153#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 154# ifndef MULTIPLICITY
155# define MULTIPLICITY
c5be433b 156# endif
e8dda941 157# define tTHX PerlInterpreter*
5aaab254 158# define pTHX tTHX my_perl PERL_UNUSED_DECL
3db8f154 159# define aTHX my_perl
9399a70c 160# define aTHXa(a) aTHX = (tTHX)a
27da23d5 161# ifdef PERL_GLOBAL_STRUCT
e8dda941 162# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 163# else
e8dda941 164# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH		 165# endif
166# ifdef PERL_GLOBAL_STRUCT
167# define dTHX dVAR; pTHX = PERL_GET_THX
168# else
169# define dTHX pTHX = PERL_GET_THX
170# endif
c5be433b 171# define pTHX_ pTHX,
c5be433b 172# define aTHX_ aTHX,
4373e329 173# define pTHX_1 2
894356b3
GS		 174# define pTHX_2 3
175# define pTHX_3 4
176# define pTHX_4 5
4373e329
AL		 177# define pTHX_5 6
178# define pTHX_6 7
a3b680e6
AL		 179# define pTHX_7 8
180# define pTHX_8 9
181# define pTHX_9 10
e8dda941
JD		 182# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
183# define PERL_TRACK_MEMPOOL
184# endif
185#else
186# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 187#endif
188
76e3520e 189#define STATIC static
16c91539
BM		 190
191#ifndef PERL_CORE
192/* Do not use these macros. They were part of PERL_OBJECT, which was an
193 * implementation of multiplicity using C++ objects. They have been left
194 * here solely for the sake of XS code which has incorrectly
195 * cargo-culted them.
196 */
76e3520e 197#define CPERLscope(x) x
565764a8 198#define CPERLarg void
76e3520e 199#define CPERLarg_
e3b8966e 200#define _CPERLarg
1d583055
GS		 201#define PERL_OBJECT_THIS
202#define _PERL_OBJECT_THIS
203#define PERL_OBJECT_THIS_
312caa8e 204#define CALL_FPTR(fptr) (*fptr)
ef69c8fc 205#define MEMBER_TO_FPTR(name) name
16c91539 206#endif /* !PERL_CORE */
76e3520e 207
16c91539 208#define CALLRUNOPS PL_runops
f9f4320a 209
3ab4a224 210#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 211
16c91539 212#define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
a340edde 213#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,sv,data,flags) \
16c91539 214 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
a340edde 215 (strbeg),(minend),(sv),(data),(flags))
52a21eb3
DM		 216#define CALLREG_INTUIT_START(prog,sv,strbeg,strpos,strend,flags,data) \
217 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strbeg), (strpos), \
f9f4320a
YO		 218 (strend),(flags),(data))
219#define CALLREG_INTUIT_STRING(prog) \
16c91539 220 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
f8149455 221
f8149455
YO		 222#define CALLREGFREE(prog) \
223 Perl_pregfree(aTHX_ (prog))
224
225#define CALLREGFREE_PVT(prog) \
16c91539 226 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
f8149455 227
2fdbfb4d 228#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
16c91539 229 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
93b32b6d 230
2fdbfb4d 231#define CALLREG_NUMBUF_STORE(rx,paren,value) \
16c91539 232 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
2fdbfb4d
AB		 233
234#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
16c91539 235 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
2fdbfb4d 236
192b9cd1 237#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
16c91539 238 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
192b9cd1
AB		 239
240#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
16c91539 241 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
192b9cd1
AB		 242
243#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
16c91539 244 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB		 245
246#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
16c91539 247 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB		 248
249#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
16c91539 250 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB		 251
252#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
16c91539 253 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB		 254
255#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
16c91539 256 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB		 257
258#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
16c91539 259 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
AB		 260
261#define CALLREG_NAMED_BUFF_COUNT(rx) \
16c91539 262 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
192b9cd1
AB		 263
264#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
16c91539 265 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 266
49d7dfbc 267#define CALLREG_PACKAGE(rx) \
16c91539 268 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
93b32b6d 269
00f254e2 270#if defined(USE_ITHREADS)
f9f4320a 271#define CALLREGDUPE(prog,param) \
f8149455
YO		 272 Perl_re_dup(aTHX_ (prog),(param))
273
274#define CALLREGDUPE_PVT(prog,param) \
16c91539 275 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
00f254e2 276 : (REGEXP *)NULL)
f9f4320a 277#endif
14dd3ad8 278
a20207d7 279
bcdf7404 280
a20207d7
YO		 281
282
5ba4cab2
SH		 283/*
284 * Because of backward compatibility reasons the PERL_UNUSED_DECL
285 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
286 *
287 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 288 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 289 * marking unused variables (they need e.g. a #pragma) and therefore
290 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
291 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
292 *
293 */
1266ad8c 294
9969cdde 295#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 296# ifdef __cplusplus
5ba4cab2 297# define PERL_UNUSED_DECL
5b2bd0a5 298# else
5ba4cab2 299# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 300# endif
301#endif
44dbb695 302
5b2bd0a5 303#ifndef PERL_UNUSED_DECL
34659ad4 304# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 305# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 306# else
5ba4cab2 307# define PERL_UNUSED_DECL
b79c357a 308# endif
5b2bd0a5 309#endif
00f254e2 310
349b520e
DM		 311/* gcc -Wall:
312 * for silencing unused variables that are actually used most of the time,
a0288114 313 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 314 */
53c1dcc0 315#ifndef PERL_UNUSED_ARG
c99ffe5e 316# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 317# include <note.h>
53c1dcc0 318# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 319# else
53c1dcc0 320# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 321# endif
322#endif
53c1dcc0
AL		 323#ifndef PERL_UNUSED_VAR
324# define PERL_UNUSED_VAR(x) ((void)x)
325#endif
ad73156c 326
96a5add6
AL		 327#ifdef USE_ITHREADS
328# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
329#else
330# define PERL_UNUSED_CONTEXT
331#endif
332
6f207bd3 333#define NOOP /*EMPTY*/(void)0
bafdc25d
NC		 334/* cea2e8a9dd23747f accidentally lost the comment originally from the first
335 check in of thread.h, explaining why we need dNOOP at all: */
336/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
337/* Declaring a *function*, instead of a variable, ensures that we don't rely
338 on being able to suppress "unused" warnings. */
7db66e12
CB		 339#ifdef __cplusplus
340#define dNOOP (void)0
341#else
64a8239e 342#define dNOOP extern int Perl___notused(void)
7db66e12 343#endif
71be2cbc 344
0cb96387 345#ifndef pTHX
e8dda941
JD		 346/* Don't bother defining tTHX and sTHX; using them outside
347 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
348 */
0cb96387
GS		 349# define pTHX void
350# define pTHX_
0cb96387
GS		 351# define aTHX
352# define aTHX_
9399a70c 353# define aTHXa(a) NOOP
0cb96387
GS		 354# define dTHXa(a) dNOOP
355# define dTHX dNOOP
894356b3
GS		 356# define pTHX_1 1
357# define pTHX_2 2
358# define pTHX_3 3
359# define pTHX_4 4
3d42dc86
RGS		 360# define pTHX_5 5
361# define pTHX_6 6
a3b680e6
AL		 362# define pTHX_7 7
363# define pTHX_8 8
364# define pTHX_9 9
0cb96387
GS		 365#endif
366
27da23d5
JH		 367#ifndef dVAR
368# define dVAR dNOOP
369#endif
370
b4f7f263
GS		 371/* these are only defined for compatibility; should not be used internally */
372#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 373# define pTHXo pTHX
374# define pTHXo_ pTHX_
0cb96387
GS		 375# define aTHXo aTHX
376# define aTHXo_ aTHX_
c5be433b 377# define dTHXo dTHX
71d280e3 378# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 379#endif
380
381#ifndef pTHXx
5aaab254 382# define pTHXx PerlInterpreter *my_perl
0cb96387 383# define pTHXx_ pTHXx,
0cb96387
GS		 384# define aTHXx my_perl
385# define aTHXx_ aTHXx,
c5be433b 386# define dTHXx dTHX
22c35a8c 387#endif
71be2cbc 388
1de7c2ac
GS		 389/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
390 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
391 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
392#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 393# ifdef PERL_GLOBAL_STRUCT_PRIVATE
394# define dTHXs dVAR; dTHX
395# else
396# define dTHXs dTHX
397# endif
1de7c2ac 398#else
27da23d5
JH		 399# ifdef PERL_GLOBAL_STRUCT_PRIVATE
400# define dTHXs dVAR
401# else
402# define dTHXs dNOOP
403# endif
1de7c2ac
GS		 404#endif
405
27da23d5
JH		 406/* Some platforms require marking function declarations
407 * for them to be exportable. Used in perlio.h, proto.h
408 * is handled either by the makedef.pl or by defining the
409 * PERL_CALLCONV to be something special. See also the
410 * definition of XS() in XSUB.h. */
411#ifndef PERL_EXPORT_C
a0c21aa1
JH		 412# ifdef __cplusplus
413# define PERL_EXPORT_C extern "C"
414# else
415# define PERL_EXPORT_C extern
416# endif
27da23d5
JH		 417#endif
418#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 419# ifdef __cplusplus
420# define PERL_XS_EXPORT_C extern "C"
421# else
422# define PERL_XS_EXPORT_C
423# endif
27da23d5
JH		 424#endif
425
e5afc1ae 426/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 427 * g++ allows them but seems to have problems with them
70aab261
RB		 428 * (insane errors ensue).
429 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
430 */
431#if defined(PERL_GCC_PEDANTIC) || \
432 (defined(__GNUC__) && defined(__cplusplus) && \
433 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 434# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 435# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
436# endif
5dc8bdac
JH		 437#endif
438
5b692037
JH		 439#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
440# ifndef PERL_USE_GCC_BRACE_GROUPS
441# define PERL_USE_GCC_BRACE_GROUPS
442# endif
443#endif
444
728e2803 445/*
446 * STMT_START { statements; } STMT_END;
447 * can be used as a single statement, as in
448 * if (x) STMT_START { ... } STMT_END; else ...
449 *
450 * Trying to select a version that gives no warnings...
451 */
452#if !(defined(STMT_START) && defined(STMT_END))
5b692037 453# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 454# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 455# define STMT_END )
456# else
728e2803 457# define STMT_START do
458# define STMT_END while (0)
728e2803 459# endif
460#endif
461
d6f9c181
JH		 462#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
463# define BYTEORDER 0x1234
79072805
LW		 464#endif
465
466/* Overall memory policy? */
467#ifndef CONSERVATIVE
468# define LIBERAL 1
469#endif
470
8ada0baa
JH		 471#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
472#define ASCIIish
473#else
474#undef ASCIIish
475#endif
476
79072805
LW		 477/*
478 * The following contortions are brought to you on behalf of all the
479 * standards, semi-standards, de facto standards, not-so-de-facto standards
480 * of the world, as well as all the other botches anyone ever thought of.
481 * The basic theory is that if we work hard enough here, the rest of the
482 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
483 */
ac58e20f 484
ee0007ab 485/* define this once if either system, instead of cluttering up the src */
7c458fae 486#if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 487#define DOSISH 1
488#endif
489
739a0b84 490#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 491# define STANDARD_C 1
492#endif
493
8d87852b 494#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 495# define DONT_DECLARE_STD 1
496#endif
497
352d5a3a 498#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 499# define VOL volatile
663a0e37 500#else
79072805 501# define VOL
663a0e37
LW		 502#endif
503
284167a5
S		 504/* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
505 * you get a perl without taint support, but doubtlessly with a lesser
506 * degree of support. Do not do so unless you know exactly what it means
507 * technically, have a good reason to do so, and know exactly how the
508 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
509 * a potential security risk due to flat out ignoring the security-relevant
510 * taint flags. This being said, a perl without taint support compiled in
511 * has marginal run-time performance benefits.
512 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
513 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
514 * silently ignores -t/-T instead of throwing an exception.
053a3618
S		 515 *
516 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
6ecb40c7 517 * voids your nonexistent warranty!
284167a5
S		 518 */
519#if SILENT_NO_TAINT_SUPPORT && !defined(NO_TAINT_SUPPORT)
520# define NO_TAINT_SUPPORT 1
521#endif
522
523/* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
524 * operations into no-ops for a very modest speed-up. Enable only if you
525 * know what you're doing: tests and CPAN modules' tests are bound to fail.
526 */
527#if NO_TAINT_SUPPORT
528# define TAINT NOOP
529# define TAINT_NOT NOOP
530# define TAINT_IF(c) NOOP
531# define TAINT_ENV() NOOP
532# define TAINT_PROPER(s) NOOP
533# define TAINT_set(s) NOOP
534# define TAINT_get 0
535# define TAINTING_get 0
536# define TAINTING_set(s) NOOP
537# define TAINT_WARN_get 0
538# define TAINT_WARN_set(s) NOOP
539#else
540# define TAINT (PL_tainted = TRUE)
541# define TAINT_NOT (PL_tainted = FALSE)
2439e033
S		 542# define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = TRUE; }
543# define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); }
544# define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); }
284167a5
S		 545# define TAINT_set(s) (PL_tainted = (s))
546# define TAINT_get (PL_tainted)
547# define TAINTING_get (PL_tainting)
548# define TAINTING_set(s) (PL_tainting = (s))
549# define TAINT_WARN_get (PL_taint_warn)
550# define TAINT_WARN_set(s) (PL_taint_warn = (s))
551#endif
a687059c 552
20be6587
DM		 553/* flags used internally only within pp_subst and pp_substcont */
554#ifdef PERL_CORE
555# define SUBST_TAINT_STR 1 /* string tainted */
556# define SUBST_TAINT_PAT 2 /* pattern tainted */
557# define SUBST_TAINT_REPL 4 /* replacement tainted */
558# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
559# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
560#endif
561
d460ef45 562/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 563 defines move there? If so, I could simplify this a lot. --AD 9/96.
564*/
565/* Process group stuff changed from traditional BSD to POSIX.
566 perlfunc.pod documents the traditional BSD-style syntax, so we'll
567 try to preserve that, if possible.
568*/
569#ifdef HAS_SETPGID
570# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 571#else
a6e633de 572# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
573# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
574# else
575# ifdef HAS_SETPGRP2 /* DG/UX */
576# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
577# endif
578# endif
579#endif
580#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
581# define HAS_SETPGRP /* Well, effectively it does . . . */
582#endif
583
584/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
585 our life easier :-) so we'll try it.
586*/
587#ifdef HAS_GETPGID
588# define BSD_GETPGRP(pid) getpgid((pid))
589#else
590# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
591# define BSD_GETPGRP(pid) getpgrp((pid))
592# else
593# ifdef HAS_GETPGRP2 /* DG/UX */
594# define BSD_GETPGRP(pid) getpgrp2((pid))
595# endif
596# endif
597#endif
598#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
599# define HAS_GETPGRP /* Well, effectively it does . . . */
600#endif
601
d460ef45 602/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 603 have different behaviors, but perl.h used to define USE_BSDPGRP
604 (prior to 5.003_05) so some extension might depend on it.
605*/
606#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
607# ifndef USE_BSDPGRP
608# define USE_BSDPGRP
609# endif
663a0e37
LW		 610#endif
611
486ec47a 612/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH		 613 pthread.h must be included before all other header files.
614*/
3db8f154 615#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 616# include <pthread.h>
617#endif
618
58ab9e8b 619#include <sys/types.h>
663a0e37 620
760ac839
LW		 621#ifdef __cplusplus
622# ifndef I_STDARG
623# define I_STDARG 1
624# endif
625#endif
626
627#ifdef I_STDARG
628# include <stdarg.h>
629#else
630# ifdef I_VARARGS
631# include <varargs.h>
632# endif
633#endif
634
4633a7c4 635#ifdef USE_NEXT_CTYPE
0c30d9ec 636
092bebab
JH		 637#if NX_CURRENT_COMPILER_RELEASE >= 500
638# include <bsd/ctypes.h>
639#else
640# if NX_CURRENT_COMPILER_RELEASE >= 400
641# include <objc/NXCType.h>
642# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
643# include <appkit/NXCType.h>
644# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
645#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 646
647#else /* !USE_NEXT_CTYPE */
fe14fcc3 648#include <ctype.h>
0c30d9ec 649#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 650
651#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
652#undef METHOD
a0d0e21e
LW		 653#endif
654
12ae5dfc
JH		 655#ifdef PERL_MICRO
656# define NO_LOCALE
657#endif
658
4633a7c4 659#ifdef I_LOCALE
36477c24 660# include <locale.h>
4633a7c4
LW		 661#endif
662
36477c24 663#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
664# define USE_LOCALE
ccd65d51
KW		 665# define HAS_SKIP_LOCALE_INIT /* Solely for XS code to test for this
666 capability */
36477c24 667# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
668 && defined(HAS_STRXFRM)
669# define USE_LOCALE_COLLATE
670# endif
671# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
672# define USE_LOCALE_CTYPE
673# endif
674# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
675# define USE_LOCALE_NUMERIC
676# endif
fa9b773e
KW		 677# if !defined(NO_LOCALE_MESSAGES) && defined(LC_MESSAGES)
678# define USE_LOCALE_MESSAGES
679# endif
680# if !defined(NO_LOCALE_MONETARY) && defined(LC_MONETARY)
681# define USE_LOCALE_MONETARY
682# endif
36477c24 683#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 684
fe14fcc3 685#include <setjmp.h>
79072805 686
a0d0e21e 687#ifdef I_SYS_PARAM
79072805
LW		 688# ifdef PARAM_NEEDS_TYPES
689# include <sys/types.h>
690# endif
691# include <sys/param.h>
352d5a3a 692#endif
79072805 693
ce3470dc
AD		 694/* On BSD-derived systems, <sys/param.h> defines BSD to a year-month
695 value something like 199306. This may be useful if no more-specific
696 feature test is available.
697*/
698#if defined(BSD)
699# ifndef BSDish
700# define BSDish
701# endif
702#endif
703
79072805 704/* Use all the "standard" definitions? */
a0d0e21e 705#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 706# include <stdlib.h>
ff68c719 707#endif
03a14243 708
3f270f98
JH		 709/* If this causes problems, set i_unistd=undef in the hint file. */
710#ifdef I_UNISTD
711# include <unistd.h>
712#endif
713
de8ca8af
NT		 714/* for WCOREDUMP */
715#ifdef I_SYS_WAIT
716# include <sys/wait.h>
717#endif
718
9969cdde 719#ifdef __SYMBIAN32__
27da23d5
JH		 720# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
721#endif
722
21e89b5f 723#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO)
c45598c5 724EXTERN_C int syscall(int, ...);
2ef53570
JH		 725#endif
726
21e89b5f 727#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO)
c45598c5 728EXTERN_C int usleep(unsigned int);
2ef53570
JH		 729#endif
730
1109a392
MHM		 731#ifdef PERL_CORE
732
733/* macros for correct constant construction */
734# if INTSIZE >= 2
735# define U16_CONST(x) ((U16)x##U)
736# else
737# define U16_CONST(x) ((U16)x##UL)
738# endif
739
740# if INTSIZE >= 4
741# define U32_CONST(x) ((U32)x##U)
742# else
743# define U32_CONST(x) ((U32)x##UL)
744# endif
745
746# ifdef HAS_QUAD
747# if INTSIZE >= 8
748# define U64_CONST(x) ((U64)x##U)
749# elif LONGSIZE >= 8
750# define U64_CONST(x) ((U64)x##UL)
751# elif QUADKIND == QUAD_IS_LONG_LONG
752# define U64_CONST(x) ((U64)x##ULL)
52865553
SH		 753# elif QUADKIND == QUAD_IS___INT64
754# define U64_CONST(x) ((U64)x##UI64)
1109a392
MHM		 755# else /* best guess we can make */
756# define U64_CONST(x) ((U64)x##UL)
757# endif
758# endif
759
760/* byte-swapping functions for big-/little-endian conversion */
761# define _swab_16_(x) ((U16)( \
762 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
763 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
764
765# define _swab_32_(x) ((U32)( \
766 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
767 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
768 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
769 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
770
771# ifdef HAS_QUAD
772# define _swab_64_(x) ((U64)( \
773 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
774 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
775 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
776 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
777 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
778 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
779 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
780 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
781# endif
782
9c17f24a
NC		 783/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
784 at least on FreeBSD. YMMV, so experiment. */
785#ifndef PERL_ARENA_SIZE
786#define PERL_ARENA_SIZE 4080
787#endif
788
ccb2c8b8 789/* Maximum level of recursion */
2b9dff67
RGS		 790#ifndef PERL_SUB_DEPTH_WARN
791#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 792#endif
793
1109a392
MHM		 794#endif /* PERL_CORE */
795
bdf3085f
NC		 796/* We no longer default to creating a new SV for GvSV.
797 Do this before embed. */
798#ifndef PERL_CREATE_GVSV
7459f06b
NC		 799# ifndef PERL_DONT_CREATE_GVSV
800# define PERL_DONT_CREATE_GVSV
801# endif
bdf3085f
NC		 802#endif
803
ca0c25f6
NC		 804#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
805#define PERL_USES_PL_PIDSTATUS
806#endif
807
739a0b84 808#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
a62746fa
RGS		 809#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
810#endif
811
c31fac66
GS		 812#define MEM_SIZE Size_t
813
1936d2a7
NC		 814/* Round all values passed to malloc up, by default to a multiple of
815 sizeof(size_t)
816*/
817#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
818#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
819#endif
820
f1200559
WH		 821/* sv_grow() will expand strings by at least a certain percentage of
822 the previously *used* length to avoid excessive calls to realloc().
823 The default is 25% of the current length.
824*/
825#ifndef PERL_STRLEN_EXPAND_SHIFT
826# define PERL_STRLEN_EXPAND_SHIFT 2
827#endif
828
51371543
GS		 829#if defined(STANDARD_C) && defined(I_STDDEF)
830# include <stddef.h>
831# define STRUCT_OFFSET(s,m) offsetof(s,m)
832#else
833# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
834#endif
835
9969cdde 836#ifndef __SYMBIAN32__
27da23d5
JH		 837# if defined(I_STRING) || defined(__cplusplus)
838# include <string.h>
839# else
840# include <strings.h>
841# endif
51371543
GS		 842#endif
843
55497cff 844/* This comes after <stdlib.h> so we don't try to change the standard
845 * library prototypes; we'll use our own in proto.h instead. */
03a14243 846
4633a7c4 847#ifdef MYMALLOC
86058a2d 848# ifdef PERL_POLLUTE_MALLOC
ee13e175 849# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 850# define Perl_malloc malloc
851# define Perl_calloc calloc
852# define Perl_realloc realloc
853# define Perl_mfree free
ee13e175 854# endif
86058a2d
GS		 855# else
856# define EMBEDMYMALLOC /* for compatibility */
857# endif
827e134a 858
651b9576
GS		 859# define safemalloc Perl_malloc
860# define safecalloc Perl_calloc
861# define saferealloc Perl_realloc
862# define safefree Perl_mfree
22f7c9c9
JH		 863# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
864 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
865 code; \
866 } STMT_END
867# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
868 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
869# define panic_write2(s) write(2, s, strlen(s))
870# define CHECK_MALLOC_TAINT(newval) \
871 CHECK_MALLOC_TOO_LATE_FOR_( \
872 if (newval) { \
873 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
874 exit(1); })
22f7c9c9 875# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 876 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 877 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
878 }} STMT_END;
f2517201
GS		 879#else /* MYMALLOC */
880# define safemalloc safesysmalloc
881# define safecalloc safesyscalloc
882# define saferealloc safesysrealloc
883# define safefree safesysfree
22f7c9c9
JH		 884# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
885# define CHECK_MALLOC_TAINT(newval) ((void)0)
886# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 887#endif /* MYMALLOC */
4633a7c4 888
fe13d51d 889/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 890#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		 891#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
892#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
893#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
894
a0d0e21e
LW		 895#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
896#define strchr index
897#define strrchr rindex
898#endif
899
16d20bd9
AD		 900#ifdef I_MEMORY
901# include <memory.h>
902#endif
903
fe14fcc3 904#ifdef HAS_MEMCPY
85e6fe83 905# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 906# ifndef memcpy
20ce7b12 907 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 908# endif
909# endif
910#else
911# ifndef memcpy
912# ifdef HAS_BCOPY
913# define memcpy(d,s,l) bcopy(s,d,l)
914# else
915# define memcpy(d,s,l) my_bcopy(s,d,l)
916# endif
917# endif
918#endif /* HAS_MEMCPY */
fe14fcc3 919
ee0007ab 920#ifdef HAS_MEMSET
85e6fe83 921# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 922# ifndef memset
20ce7b12 923 extern char *memset (char*, int, int);
ee0007ab
LW		 924# endif
925# endif
ee0007ab 926#else
12ae5dfc 927# undef memset
fc36a67e 928# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 929#endif /* HAS_MEMSET */
930
85e6fe83 931#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 932# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 933# define memmove(d,s,l) bcopy(s,d,l)
934# else
2304df62 935# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 936# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 937# else
79072805 938# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 939# endif
352d5a3a 940# endif
d9d8d8de 941#endif
ee0007ab 942
36477c24 943#if defined(mips) && defined(ultrix) && !defined(__STDC__)
944# undef HAS_MEMCMP
945#endif
946
947#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 948# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 949# ifndef memcmp
20ce7b12 950 extern int memcmp (char*, char*, int);
ee0007ab
LW		 951# endif
952# endif
953#else
954# ifndef memcmp
ecfc5424 955# define memcmp my_memcmp
352d5a3a 956# endif
36477c24 957#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 958
fc36a67e 959#ifndef memzero
c635e13b 960# ifdef HAS_MEMSET
961# define memzero(d,l) memset(d,0,l)
79072805 962# else
c635e13b 963# ifdef HAS_BZERO
964# define memzero(d,l) bzero(d,l)
79072805 965# else
fc36a67e 966# define memzero(d,l) my_bzero(d,l)
79072805
LW		 967# endif
968# endif
d9d8d8de 969#endif
378cc40b 970
2f42fcb0 971#ifndef PERL_MICRO
0f27ced1
JH		 972#ifndef memchr
973# ifndef HAS_MEMCHR
974# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
975# endif
976#endif
2f42fcb0 977#endif
0f27ced1 978
36477c24 979#ifndef HAS_BCMP
980# ifndef bcmp
981# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 982# endif
36477c24 983#endif /* !HAS_BCMP */
378cc40b 984
ae986130 985#ifdef I_NETINET_IN
79072805 986# include <netinet/in.h>
ae986130
LW		 987#endif
988
28e8609d
JH		 989#ifdef I_ARPA_INET
990# include <arpa/inet.h>
991#endif
992
84902520
TB		 993#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
994/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
995 * (the neo-BSD seem to do this). */
996# undef SF_APPEND
997#endif
998
1aef975c 999#ifdef I_SYS_STAT
84902520 1000# include <sys/stat.h>
1aef975c 1001#endif
79072805 1002
287a962e
JD		 1003/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1004 This definition should ideally go into win32/win32.h, but S_IFIFO is
1005 used later here in perl.h before win32/win32.h is being included. */
1006#if !defined(S_IFIFO) && defined(_S_IFIFO)
1007# define S_IFIFO _S_IFIFO
1008#endif
1009
cc3315ba 1010/* The stat macros for Unisoft System V/88 (and derivatives
a0d0e21e
LW		 1011 like UTekV) are broken, sometimes giving false positives. Undefine
1012 them here and let the code below set them to proper values.
1013
1014 The ghs macro stands for GreenHills Software C-1.8.5 which
1015 is the C compiler for sysV88 and the various derivatives.
1016 This header file bug is corrected in gcc-2.5.8 and later versions.
1017 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1018
cc3315ba 1019#if defined(m88k) && defined(ghs)
79072805
LW		 1020# undef S_ISDIR
1021# undef S_ISCHR
1022# undef S_ISBLK
1023# undef S_ISREG
1024# undef S_ISFIFO
1025# undef S_ISLNK
ee0007ab 1026#endif
135863df 1027
663a0e37
LW		 1028#ifdef I_TIME
1029# include <time.h>
ffed7fef 1030#endif
663a0e37 1031
fe14fcc3 1032#ifdef I_SYS_TIME
85e6fe83 1033# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1034# define KERNEL
1035# endif
1036# include <sys/time.h>
85e6fe83 1037# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1038# undef KERNEL
1039# endif
a687059c 1040#endif
135863df 1041
55497cff 1042#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1043# include <sys/times.h>
d9d8d8de 1044#endif
8d063cd8 1045
fe14fcc3 1046#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1047# undef HAS_STRERROR
663a0e37
LW		 1048#endif
1049
1050#include <errno.h>
1e743fda 1051
acfe0abc 1052#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1053# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1054#endif
1055
8cfab5ff 1056/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1057 * This is important for using IPv6.
8cfab5ff
JH		 1058 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1059 * a bad idea since it breaks send() and recv(). */
1060#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1061# define _SOCKADDR_LEN
1062#endif
1063
da70cfc6 1064#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH		 1065# include <sys/socket.h>
1066# if defined(USE_SOCKS) && defined(I_SOCKS)
1067# if !defined(INCLUDE_PROTOTYPES)
1068# define INCLUDE_PROTOTYPES /* for <socks.h> */
1069# define PERL_SOCKS_NEED_PROTOTYPES
1070# endif
1071# include <socks.h>
1072# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1073# undef INCLUDE_PROTOTYPES
1074# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1075# endif
d460ef45 1076# endif
1e743fda 1077# ifdef I_NETDB
2986a63f
JH		 1078# ifdef NETWARE
1079# include<stdio.h>
1080# endif
1e743fda
JH		 1081# include <netdb.h>
1082# endif
1083# ifndef ENOTSOCK
1084# ifdef I_NET_ERRNO
1085# include <net/errno.h>
1086# endif
1087# endif
1088#endif
1089
fa0a29af 1090/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1091 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1092 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1093#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1094# if defined(__THROW) && defined(__GLIBC__)
1095int sockatmark(int) __THROW;
1096# else
2ef53570 1097int sockatmark(int);
29820b6d 1098# endif
2ef53570
JH		 1099#endif
1100
7e827271 1101#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		 1102EXTERN_C int fchdir(int);
1103EXTERN_C int flock(int, int);
1104EXTERN_C int fseeko(FILE *, off_t, int);
1105EXTERN_C off_t ftello(FILE *);
1106#endif
1107
7e827271 1108#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1109EXTERN_C char *crypt(const char *, const char *);
7e827271 1110EXTERN_C char **environ;
1ccb7c8d
JH		 1111#endif
1112
83a6ff2e 1113#if defined(__cplusplus)
ce3470dc 1114# if defined(BSDish)
b91fbb93 1115EXTERN_C char **environ;
83a6ff2e 1116# elif defined(__CYGWIN__)
667e2948
SP		 1117EXTERN_C char *crypt(const char *, const char *);
1118#endif
83a6ff2e 1119#endif
667e2948 1120
1e743fda
JH		 1121#ifdef SETERRNO
1122# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1123#endif
f86702cc 1124
1125#ifdef VMS
1126# define SETERRNO(errcode,vmserrcode) \
1127 STMT_START { \
1128 set_errno(errcode); \
1129 set_vaxc_errno(vmserrcode); \
1130 } STMT_END
4ee39169
CS		 1131# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1132# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1133# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1134# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1135
93189314
JH		 1136# define LIB_INVARG LIB$_INVARG
1137# define RMS_DIR RMS$_DIR
1138# define RMS_FAC RMS$_FAC
1139# define RMS_FEX RMS$_FEX
1140# define RMS_FNF RMS$_FNF
1141# define RMS_IFI RMS$_IFI
1142# define RMS_ISI RMS$_ISI
1143# define RMS_PRV RMS$_PRV
1144# define SS_ACCVIO SS$_ACCVIO
1145# define SS_DEVOFFLINE SS$_DEVOFFLINE
1146# define SS_IVCHAN SS$_IVCHAN
1147# define SS_NORMAL SS$_NORMAL
748a9306 1148#else
93189314
JH		 1149# define LIB_INVARG 0
1150# define RMS_DIR 0
1151# define RMS_FAC 0
1152# define RMS_FEX 0
1153# define RMS_FNF 0
1154# define RMS_IFI 0
1155# define RMS_ISI 0
1156# define RMS_PRV 0
1157# define SS_ACCVIO 0
1158# define SS_DEVOFFLINE 0
1159# define SS_IVCHAN 0
1160# define SS_NORMAL 0
748a9306 1161#endif
ed6116ce 1162
6ca940a9
TC		 1163#ifdef WIN32
1164# define dSAVEDERRNO int saved_errno; DWORD saved_win32_errno
1165# define dSAVE_ERRNO int saved_errno = errno; DWORD saved_win32_errno = GetLastError()
1166# define SAVE_ERRNO ( saved_errno = errno, saved_win32_errno = GetLastError() )
1167# define RESTORE_ERRNO ( errno = saved_errno, SetLastError(saved_win32_errno) )
1168#endif
1169
1170#ifdef OS2
1171# define dSAVEDERRNO int saved_errno; unsigned long saved_os2_errno
1172# define dSAVE_ERRNO int saved_errno = errno; unsigned long saved_os2_errno = Perl_rc
1173# define SAVE_ERRNO ( saved_errno = errno, saved_os2_errno = Perl_rc )
1174# define RESTORE_ERRNO ( errno = saved_errno, Perl_rc = saved_os2_errno )
1175#endif
1176
1177#ifndef SETERRNO
1178# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
1179#endif
1180
1181#ifndef dSAVEDERRNO
1182# define dSAVEDERRNO int saved_errno
1183# define dSAVE_ERRNO int saved_errno = errno
1184# define SAVE_ERRNO (saved_errno = errno)
1185# define RESTORE_ERRNO (errno = saved_errno)
1186#endif
1187
f5fa9033 1188#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC		 1189
1190#define CLEAR_ERRSV() STMT_START { \
1191 if (!GvSV(PL_errgv)) { \
1192 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1193 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1194 SvREFCNT_dec(GvSV(PL_errgv)); \
1195 GvSV(PL_errgv) = newSVpvs(""); \
1196 } else { \
1197 SV *const errsv = GvSV(PL_errgv); \
1198 sv_setpvs(errsv, ""); \
1199 if (SvMAGICAL(errsv)) { \
1200 mg_free(errsv); \
1201 } \
1202 SvPOK_only(errsv); \
1203 } \
1204 } STMT_END
1205
1206
414bf5ae
MHM		 1207#ifdef PERL_CORE
1208# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC		 1209# define DEFSV_set(sv) \
1210 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1211# define SAVE_DEFSV \
1212 ( \
1213 save_gp(PL_defgv, 0), \
1214 GvINTRO_off(PL_defgv), \
1215 SAVEGENERICSV(GvSV(PL_defgv)), \
1216 GvSV(PL_defgv) = NULL \
1217 )
414bf5ae
MHM		 1218#else
1219# define DEFSV GvSVn(PL_defgv)
55b5114f
FC		 1220# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1221# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1222#endif
38a03e6e 1223
98eae8f5
GS		 1224#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1225
55497cff 1226#ifndef errno
5ff3f7a4
GS		 1227 extern int errno; /* ANSI allows errno to be an lvalue expr.
1228 * For example in multithreaded environments
1229 * something like this might happen:
1230 * extern int *_errno(void);
1231 * #define errno (*_errno()) */
d9d8d8de 1232#endif
663a0e37 1233
2304df62 1234#ifdef HAS_STRERROR
b3e384bf 1235# ifndef DONT_DECLARE_STD
a0d0e21e 1236# ifdef VMS
20ce7b12 1237 char *strerror (int,...);
a0d0e21e 1238# else
20ce7b12 1239 char *strerror (int);
a0d0e21e 1240# endif
b3e384bf
KW		 1241# endif
1242# ifndef Strerror
1243# define Strerror strerror
1244# endif
2304df62
AD		 1245#else
1246# ifdef HAS_SYS_ERRLIST
79072805
LW		 1247 extern int sys_nerr;
1248 extern char *sys_errlist[];
2304df62
AD		 1249# ifndef Strerror
1250# define Strerror(e) \
79072805 1251 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1252# endif
79072805 1253# endif
35c8bce7 1254#endif
663a0e37 1255
2304df62 1256#ifdef I_SYS_IOCTL
79072805
LW		 1257# ifndef _IOCTL_
1258# include <sys/ioctl.h>
1259# endif
a687059c
LW		 1260#endif
1261
ee0007ab 1262#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1263# ifdef HAS_SOCKETPAIR
1264# undef HAS_SOCKETPAIR
1265# endif
2304df62
AD		 1266# ifdef I_NDBM
1267# undef I_NDBM
79072805 1268# endif
a687059c
LW		 1269#endif
1270
02fc2eee
NC		 1271#ifndef HAS_SOCKETPAIR
1272# ifdef HAS_SOCKET
1273# define socketpair Perl_my_socketpair
1274# endif
1275#endif
1276
a687059c 1277#if INTSIZE == 2
79072805
LW		 1278# define htoni htons
1279# define ntohi ntohs
a687059c 1280#else
79072805
LW		 1281# define htoni htonl
1282# define ntohi ntohl
a687059c
LW		 1283#endif
1284
a0d0e21e 1285/* Configure already sets Direntry_t */
35c8bce7 1286#if defined(I_DIRENT)
663a0e37 1287# include <dirent.h>
8f1f23e8
W		 1288 /* NeXT needs dirent + sys/dir.h */
1289# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1290# include <sys/dir.h>
1291# endif
ae986130 1292#else
fe14fcc3 1293# ifdef I_SYS_NDIR
79a0689e 1294# include <sys/ndir.h>
663a0e37 1295# else
fe14fcc3 1296# ifdef I_SYS_DIR
79a0689e
LW		 1297# ifdef hp9000s500
1298# include <ndir.h> /* may be wrong in the future */
1299# else
1300# include <sys/dir.h>
1301# endif
663a0e37
LW		 1302# endif
1303# endif
4633a7c4 1304#endif
a687059c 1305
c623bd54
LW		 1306/*
1307 * The following gobbledygook brought to you on behalf of __STDC__.
1308 * (I could just use #ifndef __STDC__, but this is more bulletproof
1309 * in the face of half-implementations.)
1310 */
1311
21e89b5f 1312#if defined(I_SYSMODE)
ca6e1c26
JH		 1313#include <sys/mode.h>
1314#endif
1315
c623bd54
LW		 1316#ifndef S_IFMT
1317# ifdef _S_IFMT
1318# define S_IFMT _S_IFMT
1319# else
1320# define S_IFMT 0170000
1321# endif
1322#endif
1323
1324#ifndef S_ISDIR
1325# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1326#endif
1327
1328#ifndef S_ISCHR
1329# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1330#endif
1331
1332#ifndef S_ISBLK
fe14fcc3
LW		 1333# ifdef S_IFBLK
1334# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1335# else
1336# define S_ISBLK(m) (0)
1337# endif
c623bd54
LW		 1338#endif
1339
1340#ifndef S_ISREG
1341# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1342#endif
1343
1344#ifndef S_ISFIFO
fe14fcc3
LW		 1345# ifdef S_IFIFO
1346# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1347# else
1348# define S_ISFIFO(m) (0)
1349# endif
c623bd54
LW		 1350#endif
1351
1352#ifndef S_ISLNK
1353# ifdef _S_ISLNK
1354# define S_ISLNK(m) _S_ISLNK(m)
1355# else
1356# ifdef _S_IFLNK
1357# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1358# else
1359# ifdef S_IFLNK
1360# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1361# else
1362# define S_ISLNK(m) (0)
1363# endif
1364# endif
1365# endif
1366#endif
1367
1368#ifndef S_ISSOCK
1369# ifdef _S_ISSOCK
1370# define S_ISSOCK(m) _S_ISSOCK(m)
1371# else
1372# ifdef _S_IFSOCK
1373# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1374# else
1375# ifdef S_IFSOCK
1376# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1377# else
1378# define S_ISSOCK(m) (0)
1379# endif
1380# endif
1381# endif
1382#endif
1383
1384#ifndef S_IRUSR
1385# ifdef S_IREAD
1386# define S_IRUSR S_IREAD
1387# define S_IWUSR S_IWRITE
1388# define S_IXUSR S_IEXEC
1389# else
1390# define S_IRUSR 0400
1391# define S_IWUSR 0200
1392# define S_IXUSR 0100
1393# endif
fac7cdfc
JS		 1394#endif
1395
1396#ifndef S_IRGRP
1397# ifdef S_IRUSR
1398# define S_IRGRP (S_IRUSR>>3)
1399# define S_IWGRP (S_IWUSR>>3)
1400# define S_IXGRP (S_IXUSR>>3)
1401# else
1402# define S_IRGRP 0040
1403# define S_IWGRP 0020
1404# define S_IXGRP 0010
1405# endif
1406#endif
1407
1408#ifndef S_IROTH
1409# ifdef S_IRUSR
1410# define S_IROTH (S_IRUSR>>6)
1411# define S_IWOTH (S_IWUSR>>6)
1412# define S_IXOTH (S_IXUSR>>6)
1413# else
1414# define S_IROTH 0040
1415# define S_IWOTH 0020
1416# define S_IXOTH 0010
1417# endif
c623bd54
LW		 1418#endif
1419
1420#ifndef S_ISUID
1421# define S_ISUID 04000
1422#endif
1423
1424#ifndef S_ISGID
1425# define S_ISGID 02000
1426#endif
1427
ca6e1c26
JH		 1428#ifndef S_IRWXU
1429# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1430#endif
ca6e1c26
JH		 1431
1432#ifndef S_IRWXG
1433# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1434#endif
ca6e1c26
JH		 1435
1436#ifndef S_IRWXO
1437# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1438#endif
ca6e1c26 1439
b6c36746 1440/* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1441 * which would get included through <sys/file.h >, but that is 3000
1442 * lines in the future. --jhi */
1443
b6c36746 1444#if !defined(S_IREAD) && !defined(__HAIKU__)
ca6e1c26
JH		 1445# define S_IREAD S_IRUSR
1446#endif
1447
b6c36746 1448#if !defined(S_IWRITE) && !defined(__HAIKU__)
ca6e1c26
JH		 1449# define S_IWRITE S_IWUSR
1450#endif
1451
1452#ifndef S_IEXEC
1453# define S_IEXEC S_IXUSR
1454#endif
1455
a0d0e21e 1456#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1457# define SLOPPYDIVIDE
1458#endif
1459
748a9306
LW		 1460#ifdef UV
1461#undef UV
1462#endif
1463
ce582cee
NC		 1464/* For the times when you want the return value of sprintf, and you want it
1465 to be the length. Can't have a thread variable passed in, because C89 has
1466 no varargs macros.
1467*/
1468#ifdef SPRINTF_RETURNS_STRLEN
1469# define my_sprintf sprintf
1470#else
1471# define my_sprintf Perl_my_sprintf
1472#endif
1473
5b692037
JH		 1474/*
1475 * If we have v?snprintf() and the C99 variadic macros, we can just
1476 * use just the v?snprintf(). It is nice to try to trap the buffer
1477 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1478 * gcc statement expressions, then use the function wrappers which try
1479 * to trap the overflow. If we can use the gcc statement expressions,
1480 * we can try that even with the version that uses the C99 variadic
1481 * macros.
5b692037
JH		 1482 */
1483
1208b3dd
JH		 1484/* Note that we do not check against snprintf()/vsnprintf() returning
1485 * negative values because that is non-standard behaviour and we use
1486 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1487 * that should be true only if the snprintf()/vsnprintf() are true
1488 * to the standard. */
1489
dfeee9b1 1490#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1491# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1492# 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 1493# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1494# else
1495# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1496# endif
1497#else
1498# define my_snprintf Perl_my_snprintf
1208b3dd 1499# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1500#endif
1501
dfeee9b1 1502#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1503# ifdef PERL_USE_GCC_BRACE_GROUPS
9e440ecc 1504# 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 1505# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1506# else
1507# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1508# endif
1509#else
1510# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1511# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1512#endif
d9fad198 1513
a6cc4119
SP		 1514#ifdef HAS_STRLCAT
1515# define my_strlcat strlcat
1516#else
1517# define my_strlcat Perl_my_strlcat
1518#endif
1519
1520#ifdef HAS_STRLCPY
1521# define my_strlcpy strlcpy
1522#else
1523# define my_strlcpy Perl_my_strlcpy
1524#endif
1525
05f13f53 1526/*
27d4fb96 1527 The IV type is supposed to be long enough to hold any integral
1528 value or a pointer.
1529 --Andy Dougherty August 1996
1530*/
1531
a22e52b9
JH		 1532typedef IVTYPE IV;
1533typedef UVTYPE UV;
8175356b 1534
10cc9d2a 1535#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1536# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1537# define IV_MAX INT64_MAX
1538# define IV_MIN INT64_MIN
1539# define UV_MAX UINT64_MAX
cae7ae48
JH		 1540# ifndef UINT64_MIN
1541# define UINT64_MIN 0
1542# endif
5ff3f7a4
GS		 1543# define UV_MIN UINT64_MIN
1544# else
1545# define IV_MAX PERL_QUAD_MAX
1546# define IV_MIN PERL_QUAD_MIN
1547# define UV_MAX PERL_UQUAD_MAX
1548# define UV_MIN PERL_UQUAD_MIN
1549# endif
cf2093f6
JH		 1550# define IV_IS_QUAD
1551# define UV_IS_QUAD
79072805 1552#else
8175356b 1553# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1554# define IV_MAX INT32_MAX
1555# define IV_MIN INT32_MIN
716026f9
DL		 1556# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1557# define UV_MAX UINT32_MAX
1558# else
1559# define UV_MAX 4294967295U
1560# endif
cae7ae48
JH		 1561# ifndef UINT32_MIN
1562# define UINT32_MIN 0
1563# endif
5ff3f7a4
GS		 1564# define UV_MIN UINT32_MIN
1565# else
1566# define IV_MAX PERL_LONG_MAX
1567# define IV_MIN PERL_LONG_MIN
1568# define UV_MAX PERL_ULONG_MAX
1569# define UV_MIN PERL_ULONG_MIN
1570# endif
8175356b 1571# if IVSIZE == 8
cf2093f6
JH		 1572# define IV_IS_QUAD
1573# define UV_IS_QUAD
de1c2614
JH		 1574# ifndef HAS_QUAD
1575# define HAS_QUAD
1576# endif
cf2093f6
JH		 1577# else
1578# undef IV_IS_QUAD
1579# undef UV_IS_QUAD
9ea40801 1580#if !defined(PERL_CORE) || defined(USING_MSVC6)
e25d460c
NC		 1581/* We think that removing this decade-old undef this will cause too much
1582 breakage on CPAN for too little gain. (See RT #119753)
9ea40801
SH		 1583 However, we do need HAS_QUAD in the core for use by the drand48 code,
1584 but not for Win32 VC6 because it has poor __int64 support. */
cb4b14d5 1585# undef HAS_QUAD
e25d460c 1586#endif
cf2093f6 1587# endif
79072805 1588#endif
d7d93a81 1589
9a543cee
FC		 1590#define SSize_t_MAX (SSize_t)(~(size_t)0 >> 1)
1591
cae7ae48 1592#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1593#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1594
28e5dec8 1595#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1596#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1597#endif
1598
d460ef45 1599/*
26bb67e2
JH		 1600 * The macros INT2PTR and NUM2PTR are (despite their names)
1601 * bi-directional: they will convert int/float to or from pointers.
1602 * However the conversion to int/float are named explicitly:
1603 * PTR2IV, PTR2UV, PTR2NV.
1604 *
1605 * For int conversions we do not need two casts if pointers are
1606 * the same size as IV and UV. Otherwise we need an explicit
1607 * cast (PTRV) to avoid compiler warnings.
1608 */
56431972
RB		 1609#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1610# define PTRV UV
1611# define INT2PTR(any,d) (any)(d)
1612#else
d460ef45 1613# if PTRSIZE == LONGSIZE
56431972 1614# define PTRV unsigned long
e91e3b10 1615# define PTR2ul(p) (unsigned long)(p)
42718184 1616# else
56431972 1617# define PTRV unsigned
42718184 1618# endif
e91e3b10
RB		 1619#endif
1620
1621#ifndef INT2PTR
56431972 1622# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1623#endif
e91e3b10
RB		 1624
1625#ifndef PTR2ul
1626# define PTR2ul(p) INT2PTR(unsigned long,p)
1627#endif
1628
56431972
RB		 1629#define NUM2PTR(any,d) (any)(PTRV)(d)
1630#define PTR2IV(p) INT2PTR(IV,p)
1631#define PTR2UV(p) INT2PTR(UV,p)
1632#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1633#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1634
8141890a
JH		 1635/* According to strict ANSI C89 one cannot freely cast between
1636 * data pointers and function (code) pointers. There are at least
1637 * two ways around this. One (used below) is to do two casts,
1638 * first the other pointer to an (unsigned) integer, and then
1639 * the integer to the other pointer. The other way would be
1640 * to use unions to "overlay" the pointers. For an example of
1641 * the latter technique, see union dirpu in struct xpvio in sv.h.
1642 * The only feasible use is probably temporarily storing
1643 * function pointers in a data pointer (such as a void pointer). */
1644
e91e3b10
RB		 1645#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1646#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1647
65202027 1648#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1649# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1650# define LONG_DOUBLE_EQUALS_DOUBLE
1651# endif
68d4903c 1652# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1653# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1654# endif
1655#endif
1656
2d4389e4
JH		 1657#ifdef OVR_DBL_DIG
1658/* Use an overridden DBL_DIG */
1659# ifdef DBL_DIG
1660# undef DBL_DIG
1661# endif
1662# define DBL_DIG OVR_DBL_DIG
1663#else
1664/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1665 default value for printing floating point numbers in Gconvert
1666 (see config.h). (It also has other uses, such as figuring out if
1667 a given precision of printing can be done with a double instead of
1668 a long double - Allen).
2d4389e4
JH		 1669*/
1670#ifdef I_LIMITS
1671#include <limits.h>
1672#endif
1673#ifdef I_FLOAT
1674#include <float.h>
1675#endif
1676#ifndef HAS_DBL_DIG
1677#define DBL_DIG 15 /* A guess that works lots of places */
1678#endif
1679#endif
1680
1681#ifdef OVR_LDBL_DIG
1682/* Use an overridden LDBL_DIG */
1683# ifdef LDBL_DIG
1684# undef LDBL_DIG
1685# endif
1686# define LDBL_DIG OVR_LDBL_DIG
1687#else
1688/* The following is all to get LDBL_DIG, in order to pick a nice
1689 default value for printing floating point numbers in Gconvert.
1690 (see config.h)
1691*/
68d4903c
JH		 1692# ifdef I_LIMITS
1693# include <limits.h>
1694# endif
1695# ifdef I_FLOAT
1696# include <float.h>
1697# endif
1698# ifndef HAS_LDBL_DIG
1699# if LONG_DOUBLESIZE == 10
1700# define LDBL_DIG 18 /* assume IEEE */
1701# else
1702# if LONG_DOUBLESIZE == 12
1703# define LDBL_DIG 18 /* gcc? */
1704# else
1705# if LONG_DOUBLESIZE == 16
1706# define LDBL_DIG 33 /* assume IEEE */
1707# else
1708# if LONG_DOUBLESIZE == DOUBLESIZE
1709# define LDBL_DIG DBL_DIG /* bummer */
1710# endif
1711# endif
1712# endif
1713# endif
1714# endif
2d4389e4
JH		 1715#endif
1716
20f6aaab
AS		 1717/*
1718 * This is for making sure we have a good DBL_MAX value, if possible,
1719 * either for usage as NV_MAX or for usage in figuring out if we can
1720 * fit a given long double into a double, if bug-fixing makes it
1721 * necessary to do so. - Allen <allens@cpan.org>
1722 */
1723
205f51d8
AS		 1724#ifdef I_LIMITS
1725# include <limits.h>
20f6aaab
AS		 1726#endif
1727
205f51d8
AS		 1728#ifdef I_VALUES
1729# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1730# include <values.h>
1731# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1732# define DBL_MAX MAXDOUBLE
1733# endif
1734# if defined(MINDOUBLE) && !defined(DBL_MIN)
1735# define DBL_MIN MINDOUBLE
1736# endif
1737# endif
1738#endif /* defined(I_VALUES) */
1739
a22e52b9 1740typedef NVTYPE NV;
8175356b 1741
792d8dab
JH		 1742#ifdef I_IEEEFP
1743# include <ieeefp.h>
1744#endif
923fc586 1745
65202027 1746#ifdef USE_LONG_DOUBLE
923fc586
JH		 1747# ifdef I_SUNMATH
1748# include <sunmath.h>
1749# endif
2d4389e4 1750# define NV_DIG LDBL_DIG
d6c14000
JH		 1751# ifdef LDBL_MANT_DIG
1752# define NV_MANT_DIG LDBL_MANT_DIG
1753# endif
06fc1729
JH		 1754# ifdef LDBL_MIN
1755# define NV_MIN LDBL_MIN
1756# endif
1757# ifdef LDBL_MAX
1758# define NV_MAX LDBL_MAX
1759# endif
1760# ifdef LDBL_MIN_10_EXP
1761# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1762# endif
1763# ifdef LDBL_MAX_10_EXP
1764# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1765# endif
1766# ifdef LDBL_EPSILON
1767# define NV_EPSILON LDBL_EPSILON
1768# endif
f4a14a62
JH		 1769# ifdef LDBL_MAX
1770# define NV_MAX LDBL_MAX
20f6aaab 1771/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1772# else
1773# ifdef HUGE_VALL
1774# define NV_MAX HUGE_VALL
1775# else
1776# ifdef HUGE_VAL
1777# define NV_MAX ((NV)HUGE_VAL)
1778# endif
1779# endif
1780# endif
68d4903c 1781# ifdef HAS_SQRTL
68d4903c
JH		 1782# define Perl_cos cosl
1783# define Perl_sin sinl
1784# define Perl_sqrt sqrtl
1785# define Perl_exp expl
1786# define Perl_log logl
1787# define Perl_atan2 atan2l
1788# define Perl_pow powl
1789# define Perl_floor floorl
1bbae031 1790# define Perl_ceil ceill
68d4903c
JH		 1791# define Perl_fmod fmodl
1792# endif
a3540c92
JH		 1793/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1794# ifdef HAS_MODFL
1795# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1796/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1797 prototype in <math.h> */
1798# ifndef HAS_MODFL_PROTO
a221a8a5 1799EXTERN_C long double modfl(long double, long double *);
51997bc3 1800# endif
03476e8e
JH		 1801# else
1802# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1803 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1804# define Perl_modf(x,y) Perl_my_modfl(x,y)
1805# endif
a3540c92
JH		 1806# endif
1807# ifdef HAS_FREXPL
dff3e0b8 1808# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1809# else
1810# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1811 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1812# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1813# endif
a3540c92 1814# endif
38dbb4c5 1815# ifndef Perl_isnan
758a5d79
JH		 1816# ifdef HAS_ISNANL
1817# define Perl_isnan(x) isnanl(x)
1818# endif
1819# endif
1820# ifndef Perl_isinf
1821# ifdef HAS_FINITEL
1822# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1823# endif
1824# endif
65202027 1825#else
2d4389e4 1826# define NV_DIG DBL_DIG
d6c14000
JH		 1827# ifdef DBL_MANT_DIG
1828# define NV_MANT_DIG DBL_MANT_DIG
1829# endif
06fc1729
JH		 1830# ifdef DBL_MIN
1831# define NV_MIN DBL_MIN
1832# endif
1833# ifdef DBL_MAX
1834# define NV_MAX DBL_MAX
1835# endif
1836# ifdef DBL_MIN_10_EXP
1837# define NV_MIN_10_EXP DBL_MIN_10_EXP
1838# endif
1839# ifdef DBL_MAX_10_EXP
1840# define NV_MAX_10_EXP DBL_MAX_10_EXP
1841# endif
1842# ifdef DBL_EPSILON
1843# define NV_EPSILON DBL_EPSILON
1844# endif
205f51d8 1845# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1846# define NV_MAX DBL_MAX
1847# define NV_MIN DBL_MIN
1848# else
1849# ifdef HUGE_VAL
1850# define NV_MAX HUGE_VAL
1851# endif
1852# endif
65202027
DS		 1853# define Perl_cos cos
1854# define Perl_sin sin
1855# define Perl_sqrt sqrt
1856# define Perl_exp exp
1857# define Perl_log log
1858# define Perl_atan2 atan2
1859# define Perl_pow pow
1860# define Perl_floor floor
1bbae031 1861# define Perl_ceil ceil
65202027 1862# define Perl_fmod fmod
a3540c92 1863# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1864# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1865#endif
1866
1867/* rumor has it that Win32 has _fpclass() */
1868
205f51d8
AS		 1869/* SGI has fpclassl... but not with the same result values,
1870 * and it's via a typedef (not via #define), so will need to redo Configure
1871 * to use. Not worth the trouble, IMO, at least until the below is used
1872 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1873 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1874 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1875
758a5d79
JH		 1876#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1877# ifdef I_IEEFP
1878# include <ieeefp.h>
1879# endif
1880# ifdef I_FP
1881# include <fp.h>
1882# endif
1883# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1884# define Perl_fp_class() fpclassl(x)
1885# else
1886# define Perl_fp_class() fpclass(x)
1887# endif
1888# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1889# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1890# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1891# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1892# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1893# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1894# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1895# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1896# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1897# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1898# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1899# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1900# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1901# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1902# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1903#endif
1904
21e89b5f 1905#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS)
758a5d79
JH		 1906# include <math.h>
1907# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1908# include <fp_class.h>
1909# endif
1910# define Perl_fp_class(x) fp_class(x)
1911# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1912# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1913# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1914# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1915# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1916# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1917# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1918# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1919# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1920# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1921# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1922# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1923# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1924# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1925# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1926#endif
1927
1928#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1929# include <math.h>
1930# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1931# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1932# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1933# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1934# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1935# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1936#endif
1937
1938#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1939# include <math.h>
1940# ifndef _cplusplus
1941# define Perl_fp_class(x) class(x)
1942# else
1943# define Perl_fp_class(x) _class(x)
1944# endif
1945# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1946# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1947# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1948# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1949# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1950# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1951# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1952# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1953# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1954# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1955# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1956# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1957# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1958# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1959# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1960#endif
1961
1962/* rumor has it that Win32 has _isnan() */
1963
1964#ifndef Perl_isnan
a3540c92 1965# ifdef HAS_ISNAN
758a5d79
JH		 1966# define Perl_isnan(x) isnan((NV)x)
1967# else
1968# ifdef Perl_fp_class_nan
1969# define Perl_isnan(x) Perl_fp_class_nan(x)
1970# else
1971# ifdef HAS_UNORDERED
1972# define Perl_isnan(x) unordered((x), 0.0)
1973# else
1974# define Perl_isnan(x) ((x)!=(x))
1975# endif
1976# endif
1977# endif
1978#endif
1979
ca6c63e1
JH		 1980#ifdef UNDER_CE
1981int isnan(double d);
1982#endif
1983
758a5d79
JH		 1984#ifndef Perl_isinf
1985# ifdef HAS_ISINF
1986# define Perl_isinf(x) isinf((NV)x)
a3540c92 1987# else
758a5d79
JH		 1988# ifdef Perl_fp_class_inf
1989# define Perl_isinf(x) Perl_fp_class_inf(x)
1990# else
1991# define Perl_isinf(x) ((x)==NV_INF)
1992# endif
1993# endif
1994#endif
1995
1996#ifndef Perl_isfinite
1997# ifdef HAS_FINITE
1998# define Perl_isfinite(x) finite((NV)x)
1999# else
2000# ifdef HAS_ISFINITE
2001# define Perl_isfinite(x) isfinite(x)
2002# else
2003# ifdef Perl_fp_class_finite
2004# define Perl_isfinite(x) Perl_fp_class_finite(x)
2005# else
2006# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2007# endif
2008# endif
a3540c92 2009# endif
65202027
DS		 2010#endif
2011
a36244b7
JH		 2012/* The default is to use Perl's own atof() implementation (in numeric.c).
2013 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2014 * it is however best to use the native implementation of atof.
2015 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2016 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2017 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2018 * you may need to be using a different function than atof! */
a36244b7
JH		 2019
2020#ifndef USE_PERL_ATOF
2021# ifndef _UNICOS
2022# define USE_PERL_ATOF
2023# endif
2024#else
2025# if USE_PERL_ATOF == 0
2026# undef USE_PERL_ATOF
2027# endif
2028#endif
2029
2030#ifdef USE_PERL_ATOF
2031# define Perl_atof(s) Perl_my_atof(s)
2032# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2033#else
2034# define Perl_atof(s) (NV)atof(s)
2035# define Perl_atof2(s, n) ((n) = atof(s))
2036#endif
cf2093f6 2037
d460ef45 2038/* Previously these definitions used hardcoded figures.
760ac839
LW		 2039 * It is hoped these formula are more portable, although
2040 * no data one way or another is presently known to me.
2041 * The "PERL_" names are used because these calculated constants
2042 * do not meet the ANSI requirements for LONG_MAX, etc., which
2043 * need to be constants acceptable to #if - kja
2044 * define PERL_LONG_MAX 2147483647L
2045 * define PERL_LONG_MIN (-LONG_MAX - 1)
2046 * define PERL ULONG_MAX 4294967295L
2047 */
2048
2049#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2050# include <limits.h>
760ac839 2051#endif
205f51d8 2052/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2053 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2054
99abf803 2055/*
2056 * Try to figure out max and min values for the integral types. THE CORRECT
2057 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2058 * following hacks are used if neither limits.h or values.h provide them:
2059 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2060 * for types < int: (unsigned TYPE)~(unsigned)0
2061 * The argument to ~ must be unsigned so that later signed->unsigned
2062 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2063 * and it must not be smaller than int because ~ does integral promotion.
2064 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2065 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2066 * The latter is a hack which happens to work on some machines but
2067 * does *not* catch any random system, or things like integer types
2068 * with NaN if that is possible.
2069 *
2070 * All of the types are explicitly cast to prevent accidental loss of
2071 * numeric range, and in the hope that they will be less likely to confuse
2072 * over-eager optimizers.
2073 *
2074 */
27d4fb96 2075
99abf803 2076#define PERL_UCHAR_MIN ((unsigned char)0)
2077
2078#ifdef UCHAR_MAX
2079# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2080#else
99abf803 2081# ifdef MAXUCHAR
2082# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2083# else
99abf803 2084# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2085# endif
2086#endif
d460ef45 2087
99abf803 2088/*
2089 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2090 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2091 * depending on local options. Until Configure detects this (or at least
2092 * detects whether the "signed" keyword is available) the CHAR ranges
2093 * will not be included. UCHAR functions normally.
2094 * - kja
2095 */
27d4fb96 2096
99abf803 2097#define PERL_USHORT_MIN ((unsigned short)0)
2098
2099#ifdef USHORT_MAX
2100# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2101#else
99abf803 2102# ifdef MAXUSHORT
2103# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2104# else
ef2f54b0
CB		 2105# ifdef USHRT_MAX
2106# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2107# else
2108# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2109# endif
27d4fb96 2110# endif
2111#endif
2112
27d4fb96 2113#ifdef SHORT_MAX
99abf803 2114# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2115#else
2116# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2117# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2118# else
ef2f54b0
CB		 2119# ifdef SHRT_MAX
2120# define PERL_SHORT_MAX ((short)SHRT_MAX)
2121# else
2122# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2123# endif
27d4fb96 2124# endif
2125#endif
2126
2127#ifdef SHORT_MIN
99abf803 2128# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2129#else
2130# ifdef MINSHORT
99abf803 2131# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2132# else
ef2f54b0
CB		 2133# ifdef SHRT_MIN
2134# define PERL_SHORT_MIN ((short)SHRT_MIN)
2135# else
2136# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2137# endif
27d4fb96 2138# endif
2139#endif
2140
99abf803 2141#ifdef UINT_MAX
2142# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2143#else
99abf803 2144# ifdef MAXUINT
2145# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2146# else
99abf803 2147# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2148# endif
2149#endif
2150
99abf803 2151#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2152
2153#ifdef INT_MAX
99abf803 2154# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2155#else
2156# ifdef MAXINT /* Often used in <values.h> */
99abf803 2157# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2158# else
99abf803 2159# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2160# endif
2161#endif
2162
2163#ifdef INT_MIN
99abf803 2164# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2165#else
2166# ifdef MININT
99abf803 2167# define PERL_INT_MIN ((int)MININT)
27d4fb96 2168# else
2169# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2170# endif
2171#endif
2172
99abf803 2173#ifdef ULONG_MAX
2174# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2175#else
99abf803 2176# ifdef MAXULONG
2177# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2178# else
99abf803 2179# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2180# endif
2181#endif
2182
99abf803 2183#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2184
760ac839 2185#ifdef LONG_MAX
99abf803 2186# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2187#else
2188# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2189# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2190# else
99abf803 2191# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2192# endif
2193#endif
2194
2195#ifdef LONG_MIN
99abf803 2196# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2197#else
2198# ifdef MINLONG
99abf803 2199# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2200# else
27d4fb96 2201# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2202# endif
2203#endif
2204
d7d93a81 2205#ifdef UV_IS_QUAD
99abf803 2206
99abf803 2207# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2208# define PERL_UQUAD_MIN ((UV)0)
99abf803 2209# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2210# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2211
79072805
LW		 2212#endif
2213
ee0007ab 2214typedef MEM_SIZE STRLEN;
450a55e4 2215
598921a7
NC		 2216#ifdef PERL_MAD
2217typedef struct token TOKEN;
2218typedef struct madprop MADPROP;
2219typedef struct nexttoken NEXTTOKE;
2220#endif
79072805
LW		 2221typedef struct op OP;
2222typedef struct cop COP;
2223typedef struct unop UNOP;
2224typedef struct binop BINOP;
2225typedef struct listop LISTOP;
2226typedef struct logop LOGOP;
79072805
LW		 2227typedef struct pmop PMOP;
2228typedef struct svop SVOP;
7934575e 2229typedef struct padop PADOP;
79072805 2230typedef struct pvop PVOP;
79072805
LW		 2231typedef struct loop LOOP;
2232
7aef8e5b 2233#ifdef PERL_CORE
8be227ab
FC		 2234typedef struct opslab OPSLAB;
2235typedef struct opslot OPSLOT;
2236#endif
2237
52db365a 2238typedef struct block_hooks BHK;
1830b3d9 2239typedef struct custom_op XOP;
52db365a 2240
cd1541b2
NC		 2241typedef struct interpreter PerlInterpreter;
2242
d2b3f365 2243/* SGI's <sys/sema.h> has struct sv */
cc3315ba 2244#if defined(__sgi)
d2b3f365 2245# define STRUCT_SV perl_sv
b8d3c5db
JH		 2246#else
2247# define STRUCT_SV sv
2248#endif
2249typedef struct STRUCT_SV SV;
79072805
LW		 2250typedef struct av AV;
2251typedef struct hv HV;
2252typedef struct cv CV;
d2f13c59 2253typedef struct p5rx REGEXP;
79072805 2254typedef struct gp GP;
0c30d9ec 2255typedef struct gv GV;
8990e307 2256typedef struct io IO;
c09156bb 2257typedef struct context PERL_CONTEXT;
79072805
LW		 2258typedef struct block BLOCK;
2259
2260typedef struct magic MAGIC;
2261typedef struct xpv XPV;
2262typedef struct xpviv XPVIV;
ff68c719 2263typedef struct xpvuv XPVUV;
79072805
LW		 2264typedef struct xpvnv XPVNV;
2265typedef struct xpvmg XPVMG;
2266typedef struct xpvlv XPVLV;
d361b004 2267typedef struct xpvinvlist XINVLIST;
79072805
LW		 2268typedef struct xpvav XPVAV;
2269typedef struct xpvhv XPVHV;
2270typedef struct xpvgv XPVGV;
2271typedef struct xpvcv XPVCV;
2272typedef struct xpvbm XPVBM;
2273typedef struct xpvfm XPVFM;
8990e307 2274typedef struct xpvio XPVIO;
79072805
LW		 2275typedef struct mgvtbl MGVTBL;
2276typedef union any ANY;
5f7fde29
GS		 2277typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2278typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2279typedef struct clone_params CLONE_PARAMS;
2280
35e035cc 2281/* a pad or name pad is currently just an AV; but that might change,
7261499d
FC		 2282 * so hide the type. */
2283typedef struct padlist PADLIST;
67634234 2284typedef AV PAD;
35e035cc
FC		 2285typedef AV PADNAMELIST;
2286typedef SV PADNAME;
67634234 2287
13b0f67d
DM		 2288/* enable PERL_NEW_COPY_ON_WRITE by default */
2289#if !defined(PERL_OLD_COPY_ON_WRITE) && !defined(PERL_NEW_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2290# define PERL_NEW_COPY_ON_WRITE
2291#endif
07d01d6e 2292
db2c6cb3
FC		 2293#if defined(PERL_OLD_COPY_ON_WRITE) || defined(PERL_NEW_COPY_ON_WRITE)
2294# if defined(PERL_OLD_COPY_ON_WRITE) && defined(PERL_NEW_COPY_ON_WRITE)
2295# error PERL_OLD_COPY_ON_WRITE and PERL_NEW_COPY_ON_WRITE are exclusive
2296# else
2297# define PERL_ANY_COW
2298# endif
9f351b45
DM		 2299#else
2300# define PERL_SAWAMPERSAND
db2c6cb3
FC		 2301#endif
2302
378cc40b 2303#include "handy.h"
a0d0e21e 2304
6b8eaf93 2305#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2306# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2307# define USE_64_BIT_RAWIO /* implicit */
2308# endif
4564133c
JH		 2309#endif
2310
6b8eaf93
JH		 2311/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2312 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2313 * however, because operating systems like to do that themself. */
2314#ifndef FSEEKSIZE
2315# ifdef HAS_FSEEKO
2316# define FSEEKSIZE LSEEKSIZE
2317# else
2318# define FSEEKSIZE LONGSIZE
d460ef45 2319# endif
6b8eaf93
JH		 2320#endif
2321
2322#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2323# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2324# define USE_64_BIT_STDIO /* implicit */
2325# endif
2326#endif
4564133c 2327
09458382 2328#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2329# ifdef HAS_OFF64_T
2330# undef Off_t
2331# define Off_t off64_t
2332# undef LSEEKSIZE
2333# define LSEEKSIZE 8
5ff3f7a4 2334# endif
d9b3e12d
JH		 2335/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2336 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2337 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2338# if defined(USE_OPEN64)
2339# define open open64
5ff3f7a4 2340# endif
d9b3e12d
JH		 2341# if defined(USE_LSEEK64)
2342# define lseek lseek64
6b8eaf93
JH		 2343# else
2344# if defined(USE_LLSEEK)
2345# define lseek llseek
2346# endif
d9b3e12d
JH		 2347# endif
2348# if defined(USE_STAT64)
2349# define stat stat64
2350# endif
2351# if defined(USE_FSTAT64)
2352# define fstat fstat64
2353# endif
2354# if defined(USE_LSTAT64)
2355# define lstat lstat64
2356# endif
2357# if defined(USE_FLOCK64)
2358# define flock flock64
2359# endif
2360# if defined(USE_LOCKF64)
2361# define lockf lockf64
2362# endif
2363# if defined(USE_FCNTL64)
2364# define fcntl fcntl64
2365# endif
2366# if defined(USE_TRUNCATE64)
2367# define truncate truncate64
2368# endif
2369# if defined(USE_FTRUNCATE64)
2370# define ftruncate ftruncate64
2371# endif
2372#endif
2373
2374#ifdef USE_64_BIT_STDIO
2375# ifdef HAS_FPOS64_T
2376# undef Fpos_t
2377# define Fpos_t fpos64_t
2378# endif
2379/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2380 * will trigger defines like the ones below. Some 64-bit environments,
2381 * however, do not. */
2382# if defined(USE_FOPEN64)
2383# define fopen fopen64
2384# endif
2385# if defined(USE_FSEEK64)
6b8eaf93 2386# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2387# endif
2388# if defined(USE_FTELL64)
6b8eaf93 2389# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2390# endif
2391# if defined(USE_FSETPOS64)
2392# define fsetpos fsetpos64
2393# endif
2394# if defined(USE_FGETPOS64)
2395# define fgetpos fgetpos64
2396# endif
2397# if defined(USE_TMPFILE64)
2398# define tmpfile tmpfile64
2399# endif
2400# if defined(USE_FREOPEN64)
2401# define freopen freopen64
5ff3f7a4
GS		 2402# endif
2403#endif
2404
e37778c2 2405#if defined(OS2)
2c2d71f5
JH		 2406# include "iperlsys.h"
2407#endif
2408
748a9306 2409#ifdef DOSISH
19848b3f
JH		 2410# if defined(OS2)
2411# include "os2ish.h"
2412# else
2413# include "dosish.h"
2414# endif
009819bb 2415#elif defined(VMS)
748a9306 2416# include "vmsish.h"
009819bb 2417#elif defined(PLAN9)
19848b3f 2418# include "./plan9/plan9ish.h"
009819bb 2419#elif defined(__VOS__)
196918b0
PG		 2420# ifdef __GNUC__
2421# include "./vos/vosish.h"
2422# else
2423# include "vos/vosish.h"
2424# endif
009819bb 2425#elif defined(__SYMBIAN32__)
27da23d5 2426# include "symbian/symbianish.h"
009819bb 2427#elif defined(__HAIKU__)
df00ff3b 2428# include "haiku/haikuish.h"
009819bb 2429#else
19848b3f 2430# include "unixish.h"
13b6e58c
JH		 2431#endif
2432
2946a158
JH		 2433/* NSIG logic from Configure --> */
2434/* Strange style to avoid deeply-nested #if/#else/#endif */
2435#ifndef NSIG
2436# ifdef _NSIG
2437# define NSIG (_NSIG)
2438# endif
2439#endif
2440
2441#ifndef NSIG
2442# ifdef SIGMAX
2443# define NSIG (SIGMAX+1)
2444# endif
2445#endif
2446
2447#ifndef NSIG
2448# ifdef SIG_MAX
2449# define NSIG (SIG_MAX+1)
2450# endif
2451#endif
2452
2453#ifndef NSIG
2454# ifdef _SIG_MAX
2455# define NSIG (_SIG_MAX+1)
2456# endif
2457#endif
2458
2459#ifndef NSIG
2460# ifdef MAXSIG
2461# define NSIG (MAXSIG+1)
2462# endif
2463#endif
2464
2465#ifndef NSIG
2466# ifdef MAX_SIG
2467# define NSIG (MAX_SIG+1)
2468# endif
2469#endif
2470
2471#ifndef NSIG
2472# ifdef SIGARRAYSIZE
2473# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2474# endif
2475#endif
2476
2477#ifndef NSIG
2478# ifdef _sys_nsig
2479# define NSIG (_sys_nsig) /* Solaris 2.5 */
2480# endif
2481#endif
2482
2483/* Default to some arbitrary number that's big enough to get most
2484 of the common signals.
2485*/
2486#ifndef NSIG
2487# define NSIG 50
2488#endif
2489/* <-- NSIG logic from Configure */
2490
13b6e58c
JH		 2491#ifndef NO_ENVIRON_ARRAY
2492# define USE_ENVIRON_ARRAY
2493#endif
32f822de 2494
c77b533b
JH		 2495/*
2496 * initialise to avoid floating-point exceptions from overflow, etc
2497 */
2498#ifndef PERL_FPU_INIT
2499# ifdef HAS_FPSETMASK
2500# if HAS_FLOATINGPOINT_H
2501# include <floatingpoint.h>
2502# endif
ad3a8c67
NC		 2503/* Some operating systems have this as a macro, which in turn expands to a comma
2504 expression, and the last sub-expression is something that gets calculated,
2505 and then they have the gall to warn that a value computed is not used. Hence
2506 cast to void. */
2507# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2508# else
2f42fcb0 2509# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2510# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2511# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2512# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2513# else
2514# define PERL_FPU_INIT
2f42fcb0 2515
7014c407 2516# endif
c77b533b
JH		 2517# endif
2518#endif
b35112e7
CS		 2519#ifndef PERL_FPU_PRE_EXEC
2520# define PERL_FPU_PRE_EXEC {
2521# define PERL_FPU_POST_EXEC }
2522#endif
c77b533b 2523
cbec8ebe
DM		 2524#ifndef PERL_SYS_INIT3_BODY
2525# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2526#endif
2527
eb533572 2528/*
4ad9e498 2529=for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
eb533572
DM		 2530Provides system-specific tune up of the C runtime environment necessary to
2531run Perl interpreters. This should be called only once, before creating
2532any Perl interpreters.
2533
4ad9e498 2534=for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
eb533572
DM		 2535Provides system-specific tune up of the C runtime environment necessary to
2536run Perl interpreters. This should be called only once, before creating
2537any Perl interpreters.
2538
2539=for apidoc Am|void|PERL_SYS_TERM|
2540Provides system-specific clean up of the C runtime environment after
2541running Perl interpreters. This should be called only once, after
2542freeing any remaining Perl interpreters.
2543
2544=cut
2545 */
2546
cbec8ebe
DM		 2547#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2548#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2549#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2550
be708cc0
JH		 2551#ifndef PERL_WRITE_MSG_TO_CONSOLE
2552# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2553#endif
2554
0f31cffe
GS		 2555#ifndef MAXPATHLEN
2556# ifdef PATH_MAX
b990c8b2
JH		 2557# ifdef _POSIX_PATH_MAX
2558# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2559/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2560 * included the null byte or not. Later amendments of POSIX,
2561 * XPG4, the Austin Group, and the Single UNIX Specification
2562 * all explicitly include the null byte in the PATH_MAX.
2563 * Ditto for _POSIX_PATH_MAX. */
2564# define MAXPATHLEN PATH_MAX
b990c8b2 2565# else
09448d78 2566# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2567# endif
2568# else
2569# define MAXPATHLEN (PATH_MAX+1)
2570# endif
0f31cffe 2571# else
d552bce8 2572# define MAXPATHLEN 1024 /* Err on the large side. */
0f31cffe
GS		 2573# endif
2574#endif
2575
c80263a8
SH		 2576/* In case Configure was not used (we are using a "canned config"
2577 * such as Win32, or a cross-compilation setup, for example) try going
2578 * by the gcc major and minor versions. One useful URL is
2579 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2580 * but contrary to this information warn_unused_result seems
2581 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2582 * Also, when building extensions with an installed perl, this allows
2583 * the user to upgrade gcc and get the right attributes, rather than
2584 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2585 * Set these up now otherwise we get confused when some of the <*thread.h>
2586 * includes below indirectly pull in <perlio.h> (which needs to know if we
2587 * have HASATTRIBUTE_FORMAT).
2588 */
2589
4d7c7898 2590#ifndef PERL_MICRO
fc2007d4 2591#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2592# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2593# define HASATTRIBUTE_DEPRECATED
2594# endif
c80263a8
SH		 2595# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2596# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2597# if defined __MINGW32__
2598# define PRINTF_FORMAT_NULL_OK
2599# endif
c80263a8
SH		 2600# endif
2601# if __GNUC__ >= 3 /* 3.0 -> */
2602# define HASATTRIBUTE_MALLOC
2603# endif
2604# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2605# define HASATTRIBUTE_NONNULL
2606# endif
2607# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2608# define HASATTRIBUTE_NORETURN
2609# endif
2610# if __GNUC__ >= 3 /* gcc 3.0 -> */
2611# define HASATTRIBUTE_PURE
2612# endif
42bf5550 2613# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2614# define HASATTRIBUTE_UNUSED
2615# endif
d324fe49
AD		 2616# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2617# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2618# endif
c80263a8
SH		 2619# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2620# define HASATTRIBUTE_WARN_UNUSED_RESULT
2621# endif
2622#endif
00f254e2 2623#endif /* #ifndef PERL_MICRO */
c80263a8 2624
3db8f154 2625/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2626 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2627 * this results in many functions being undeclared which bothers C++
2628 * May make sense to have threads after "*ish.h" anyway
2629 */
2630
3db8f154 2631#if defined(USE_ITHREADS)
2986a63f
JH		 2632# ifdef NETWARE
2633# include <nw5thread.h>
2634# else
32f822de
GS		 2635# ifdef WIN32
2636# include <win32thread.h>
2637# else
dd96f567
IZ		 2638# ifdef OS2
2639# include "os2thread.h"
2640# else
7f3d1cf1 2641# ifdef I_MACH_CTHREADS
bdd66968 2642# include <mach/cthreads.h>
8f1f23e8 2643# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2644# define MUTEX_INIT_CALLS_MALLOC
2645# endif
7f3d1cf1
BH		 2646typedef cthread_t perl_os_thread;
2647typedef mutex_t perl_mutex;
2648typedef condition_t perl_cond;
2649typedef void * perl_key;
2650# else /* Posix threads */
1f5ae88c
JH		 2651# ifdef I_PTHREAD
2652# include <pthread.h>
2653# endif
7f3d1cf1
BH		 2654typedef pthread_t perl_os_thread;
2655typedef pthread_mutex_t perl_mutex;
2656typedef pthread_cond_t perl_cond;
2657typedef pthread_key_t perl_key;
2658# endif /* I_MACH_CTHREADS */
dd96f567 2659# endif /* OS2 */
32f822de 2660# endif /* WIN32 */
ef4abe76 2661# endif /* NETWARE */
3db8f154 2662#endif /* USE_ITHREADS */
c5be433b 2663
66a93824 2664#if defined(WIN32)
1feb2720 2665# include "win32.h"
c5be433b
GS		 2666#endif
2667
2986a63f
JH		 2668#ifdef NETWARE
2669# include "netware.h"
2670#endif
2671
e5218da5 2672#define STATUS_UNIX PL_statusvalue
68dc0745 2673#ifdef VMS
6b88bc9c 2674# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2675/*
2676 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2677 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2678 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2679 * be updated also.
2680 */
2681# include <stsdef.h>
2682# include <ssdef.h>
2683/* Presume this because if VMS changes it, it will require a new
2684 * set of APIs for waiting on children for binary compatibility.
2685 */
2686# define child_offset_bits (8)
2687# ifndef C_FAC_POSIX
2688# define C_FAC_POSIX 0x35A000
2689# endif
2690
2691/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2692 * platform from the existing UNIX or Native status values.
2693 */
2694
37038d91 2695# define STATUS_EXIT \
7a7fd8e0
JM		 2696 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2697 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2698
7a7fd8e0 2699
fb38d079
JM		 2700/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2701 * exit code and shifts the UNIX value over the correct number of bits to
2702 * be a child status. Usually the number of bits is 8, but that could be
2703 * platform dependent. The NATIVE status code is presumed to have either
2704 * from a child process.
7a7fd8e0
JM		 2705 */
2706
fb38d079
JM		 2707/* This is complicated. The child processes return a true native VMS
2708 status which must be saved. But there is an assumption in Perl that
2709 the UNIX child status has some relationship to errno values, so
00f254e2 2710 Perl tries to translate it to text in some of the tests.
fb38d079
JM		 2711 In order to get the string translation correct, for the error, errno
2712 must be EVMSERR, but that generates a different text message
2713 than what the test programs are expecting. So an errno value must
2714 be derived from the native status value when an error occurs.
2715 That will hide the true native status message. With this version of
2716 perl, the true native child status can always be retrieved so that
2717 is not a problem. But in this case, Pl_statusvalue and errno may
2718 have different values in them.
2719 */
7a7fd8e0 2720
fb38d079 2721# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2722 STMT_START { \
2fbb330f
JM		 2723 I32 evalue = (I32)n; \
2724 if (evalue == EVMSERR) { \
2725 PL_statusvalue_vms = vaxc$errno; \
2726 PL_statusvalue = evalue; \
7a7fd8e0 2727 } else { \
2fbb330f 2728 PL_statusvalue_vms = evalue; \
fb38d079 2729 if (evalue == -1) { \
3280af22 2730 PL_statusvalue = -1; \
7a7fd8e0
JM		 2731 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2732 } else \
fb38d079 2733 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2734 set_vaxc_errno(evalue); \
fb38d079
JM		 2735 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2736 set_errno(EVMSERR); \
2737 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2738 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2739 } \
68dc0745 2740 } STMT_END
7a7fd8e0 2741
68dc0745 2742# ifdef VMSISH_STATUS
e5218da5 2743# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2744# else
e5218da5 2745# define STATUS_CURRENT STATUS_UNIX
68dc0745 2746# endif
7a7fd8e0
JM		 2747
2748 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2749 * the NATIVE status to an equivalent value. Can not be used to translate
2750 * exit code values as exit code values are not guaranteed to have any
2751 * relationship at all to errno values.
2752 * This is used when Perl is forcing errno to have a specific value.
2753 */
e5218da5 2754# define STATUS_UNIX_SET(n) \
68dc0745 2755 STMT_START { \
7a7fd8e0 2756 I32 evalue = (I32)n; \
0968cdad 2757 PL_statusvalue = evalue; \
3280af22 2758 if (PL_statusvalue != -1) { \
0968cdad
JM		 2759 if (PL_statusvalue != EVMSERR) { \
2760 PL_statusvalue &= 0xFFFF; \
2761 if (MY_POSIX_EXIT) \
2762 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2763 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2764 } \
2765 else { \
2766 PL_statusvalue_vms = vaxc$errno; \
2767 } \
68dc0745 2768 } \
0968cdad
JM		 2769 else PL_statusvalue_vms = SS$_ABORT; \
2770 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2771 } STMT_END
2772
2773 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 2774 * the NATIVE error status based on it.
2775 *
2776 * When in the default mode to comply with the Perl VMS documentation,
2777 * 0 is a success and any other code sets the NATIVE status to a failure
2778 * code of SS$_ABORT.
fb38d079
JM		 2779 *
2780 * In the new POSIX EXIT mode, native status will be set so that the
2781 * actual exit code will can be retrieved by the calling program or
2782 * shell.
2783 *
2784 * If the exit code is not clearly a UNIX parent or child exit status,
2785 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2786 */
2787
fb38d079 2788# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2789 STMT_START { \
2790 I32 evalue = (I32)n; \
2791 PL_statusvalue = evalue; \
e08e1e1d
JM		 2792 if (MY_POSIX_EXIT) { \
2793 if (evalue <= 0xFF00) { \
2794 if (evalue > 0xFF) \
2795 evalue = (evalue >> child_offset_bits) & 0xFF; \
2796 PL_statusvalue_vms = \
2797 (C_FAC_POSIX | (evalue << 3 ) | \
2798 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
2799 } else /* forgive them Perl, for they have sinned */ \
2800 PL_statusvalue_vms = evalue; \
2801 } else { \
2802 if (evalue == 0) \
2803 PL_statusvalue_vms = SS$_NORMAL; \
2804 else if (evalue <= 0xFF00) \
2805 PL_statusvalue_vms = SS$_ABORT; \
2806 else { /* forgive them Perl, for they have sinned */ \
2807 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2808 else PL_statusvalue_vms = vaxc$errno; \
2809 /* And obviously used a VMS status value instead of UNIX */ \
2810 PL_statusvalue = EVMSERR; \
2811 } \
2812 set_vaxc_errno(PL_statusvalue_vms); \
2813 } \
68dc0745 2814 } STMT_END
fb38d079 2815
e08e1e1d 2816
6ac6a52b
JM		 2817 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2818 * and sets the NATIVE error status based on it. This special case
2819 * is needed to maintain compatibility with past VMS behavior.
2820 *
2821 * In the default mode on VMS, this number is passed through as
2822 * both the NATIVE and UNIX status. Which makes it different
2823 * that the STATUS_UNIX_EXIT_SET.
2824 *
2825 * In the new POSIX EXIT mode, native status will be set so that the
2826 * actual exit code will can be retrieved by the calling program or
2827 * shell.
2828 *
1a3aec58
JM		 2829 * A POSIX exit code is from 0 to 255. If the exit code is higher
2830 * than this, it needs to be assumed that it is a VMS exit code and
2831 * passed through.
6ac6a52b
JM		 2832 */
2833
2834# define STATUS_EXIT_SET(n) \
2835 STMT_START { \
2836 I32 evalue = (I32)n; \
2837 PL_statusvalue = evalue; \
2838 if (MY_POSIX_EXIT) \
1a3aec58
JM		 2839 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
2840 PL_statusvalue_vms = \
2841 (C_FAC_POSIX | (evalue << 3 ) | \
2842 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 2843 else \
2844 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2845 set_vaxc_errno(PL_statusvalue_vms); \
2846 } STMT_END
2847
fb38d079
JM		 2848
2849 /* This macro forces a success status */
7a7fd8e0
JM		 2850# define STATUS_ALL_SUCCESS \
2851 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 2852
2853 /* This macro forces a failure status */
7a7fd8e0
JM		 2854# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2855 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2856 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2857
68dc0745 2858#else
e5218da5 2859# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2860# if defined(WCOREDUMP)
37038d91 2861# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2862 STMT_START { \
2863 PL_statusvalue_posix = (n); \
2864 if (PL_statusvalue_posix == -1) \
2865 PL_statusvalue = -1; \
2866 else { \
2867 PL_statusvalue = \
2868 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2869 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2870 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2871 } \
2872 } STMT_END
2873# elif defined(WIFEXITED)
37038d91 2874# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2875 STMT_START { \
2876 PL_statusvalue_posix = (n); \
2877 if (PL_statusvalue_posix == -1) \
2878 PL_statusvalue = -1; \
2879 else { \
2880 PL_statusvalue = \
2881 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2882 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2883 } \
2884 } STMT_END
2885# else
37038d91 2886# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2887 STMT_START { \
2888 PL_statusvalue_posix = (n); \
2889 if (PL_statusvalue_posix == -1) \
2890 PL_statusvalue = -1; \
2891 else { \
2892 PL_statusvalue = \
2893 PL_statusvalue_posix & 0xFFFF; \
2894 } \
2895 } STMT_END
2896# endif
2897# define STATUS_UNIX_SET(n) \
68dc0745 2898 STMT_START { \
3280af22
NIS		 2899 PL_statusvalue = (n); \
2900 if (PL_statusvalue != -1) \
2901 PL_statusvalue &= 0xFFFF; \
68dc0745 2902 } STMT_END
7a7fd8e0 2903# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2904# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2905# define STATUS_CURRENT STATUS_UNIX
37038d91 2906# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 2907# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2908# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 2909#endif
2910
cc3604b1
GS		 2911/* flags in PL_exit_flags for nature of exit() */
2912#define PERL_EXIT_EXPECTED 0x01
31d77e54 2913#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
6136213b
JGM		 2914#define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */
2915#define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */
cc3604b1 2916
b79b76e0 2917#ifndef PERL_CORE
a7cb1f99 2918/* format to use for version numbers in file/directory names */
273cf8d1 2919/* XXX move to Configure? */
b79b76e0
NC		 2920/* This was only ever used for the current version, and that can be done at
2921 compile time, as PERL_FS_VERSION, so should we just delete it? */
2922# ifndef PERL_FS_VER_FMT
2923# define PERL_FS_VER_FMT "%d.%d.%d"
2924# endif
2925#endif
2926
2927#ifndef PERL_FS_VERSION
2928# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS		 2929#endif
2930
45bc9206 2931/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2932 * performance issue, so we allow people to disable it. Also, if
2933 * we are using stdio, there are broken implementations of fflush(NULL)
2934 * out there, Solaris being the most prominent.
45bc9206
GS		 2935 */
2936#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2937# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2938# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2939# else
2940# ifdef FFLUSH_ALL
2941# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2942# else
c5be433b 2943# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2944# endif
66fe083f 2945# endif
45bc9206
GS		 2946#endif
2947
7766f137
GS		 2948#ifndef PERL_WAIT_FOR_CHILDREN
2949# define PERL_WAIT_FOR_CHILDREN NOOP
2950#endif
2951
ba869deb 2952/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2953#ifndef PERL_SET_INTERP
2954# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2955#endif
2956
2957#ifndef PERL_GET_INTERP
2958# define PERL_GET_INTERP (PL_curinterp)
2959#endif
2960
54aff467 2961#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2962# ifdef MULTIPLICITY
ba869deb 2963# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2964# endif
ba869deb
GS		 2965# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2966#endif
2967
00f254e2 2968/*
8896765a 2969 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 2970 All that is required is that the perl source does not
00f254e2
KW		 2971 use "%-p" or "%-<number>p" or "%<number>p" formats.
2972 These formats will still work in perl code.
486ec47a 2973 See comments in sv.c for further details.
8896765a 2974
8896765a 2975 Robin Barker 2005-07-14
f46d31f2 2976
00f254e2 2977 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 2978*/
8896765a
RB		 2979
2980#ifndef SVf_
63ce7bf0 2981# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 2982#endif
2983
8896765a 2984#ifndef SVf
104abab4 2985# define SVf "-p"
d2560b70
RB		 2986#endif
2987
014ead4b 2988#ifndef SVf32
8896765a 2989# define SVf32 SVf_(32)
014ead4b
RB		 2990#endif
2991
2992#ifndef SVf256
8896765a
RB		 2993# define SVf256 SVf_(256)
2994#endif
2995
be2597df
MHM		 2996#define SVfARG(p) ((void*)(p))
2997
20023040
FC		 2998#ifndef HEKf
2999# define HEKf "2p"
3000#endif
3001
b8fa5213
FC		 3002/* Not ideal, but we cannot easily include a number in an already-numeric
3003 * format sequence. */
3004#ifndef HEKf256
3005# define HEKf256 "3p"
3006#endif
3007
20023040
FC		 3008#define HEKfARG(p) ((void*)(p))
3009
b17a0679
FC		 3010/* Takes three arguments: is_utf8, length, str */
3011#ifndef UTF8f
3012# define UTF8f "d%"UVuf"%4p"
3013#endif
3014#define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
3015
f46d31f2 3016#ifdef PERL_CORE
486ec47a 3017/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB		 3018# undef UVf
3019#else
170cd9e9
NC		 3020# ifndef UVf
3021# define UVf UVuf
3022# endif
d2560b70
RB		 3023#endif
3024
fcdf39cf
RGS		 3025#ifdef HASATTRIBUTE_DEPRECATED
3026# define __attribute__deprecated__ __attribute__((deprecated))
3027#endif
0dbb1585
AL		 3028#ifdef HASATTRIBUTE_FORMAT
3029# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3030#endif
3031#ifdef HASATTRIBUTE_MALLOC
77785eea 3032# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3033#endif
0dbb1585 3034#ifdef HASATTRIBUTE_NONNULL
abb2c242 3035# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3036#endif
0dbb1585 3037#ifdef HASATTRIBUTE_NORETURN
abb2c242 3038# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3039#endif
0dbb1585 3040#ifdef HASATTRIBUTE_PURE
abb2c242 3041# define __attribute__pure__ __attribute__((pure))
f22be1b8 3042#endif
0dbb1585
AL		 3043#ifdef HASATTRIBUTE_UNUSED
3044# define __attribute__unused__ __attribute__((unused))
3045#endif
3046#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3047# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3048#endif
3049
0dbb1585 3050/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3051#ifndef __attribute__deprecated__
3052# define __attribute__deprecated__
3053#endif
0dbb1585
AL		 3054#ifndef __attribute__format__
3055# define __attribute__format__(x,y,z)
3056#endif
f22be1b8 3057#ifndef __attribute__malloc__
abb2c242 3058# define __attribute__malloc__
f22be1b8
JH		 3059#endif
3060#ifndef __attribute__nonnull__
abb2c242 3061# define __attribute__nonnull__(a)
f22be1b8
JH		 3062#endif
3063#ifndef __attribute__noreturn__
abb2c242 3064# define __attribute__noreturn__
f22be1b8
JH		 3065#endif
3066#ifndef __attribute__pure__
abb2c242 3067# define __attribute__pure__
f22be1b8 3068#endif
0dbb1585
AL		 3069#ifndef __attribute__unused__
3070# define __attribute__unused__
3071#endif
f22be1b8 3072#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3073# define __attribute__warn_unused_result__
3074#endif
3075
0dbb1585
AL		 3076/* For functions that are marked as __attribute__noreturn__, it's not
3077 appropriate to call return. In either case, include the lint directive.
3078 */
3079#ifdef HASATTRIBUTE_NORETURN
118e2215 3080# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */
0dbb1585 3081#else
118e2215 3082# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */ return 0
abb2c242
JH		 3083#endif
3084
cdfeb707
RB		 3085/* Some OS warn on NULL format to printf */
3086#ifdef PRINTF_FORMAT_NULL_OK
3087# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3088#else
00f254e2 3089# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB		 3090#endif
3091
635aebb7 3092#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3093# define EXPECT(expr,val) __builtin_expect(expr,val)
3094#else
3095# define EXPECT(expr,val) (expr)
3096#endif
6d5abc62
NC		 3097#define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3098#define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
635aebb7
AL		 3099#ifdef HAS_BUILTIN_CHOOSE_EXPR
3100/* placeholder */
3101#endif
b37c2d43 3102
3fc1aec6 3103/* Some unistd.h's give a prototype for pause() even though
3104 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3105 below to be rejected by the compiler. Sigh.
3fc1aec6 3106*/
3107#ifdef HAS_PAUSE
3108#define Pause pause
3109#else
3110#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3111#endif
3112
3113#ifndef IOCPARM_LEN
3114# ifdef IOCPARM_MASK
61f1c44b 3115 /* on BSDish systems we're safe */
748a9306
LW		 3116# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3117# else
61f1c44b 3118# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3119 /* on Linux systems we're safe; except when we're not [perl #38223] */
3120# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3121# else
748a9306 3122 /* otherwise guess at what's safe */
61f1c44b
JVD		 3123# define IOCPARM_LEN(x) 256
3124# endif
748a9306 3125# endif
a0d0e21e
LW		 3126#endif
3127
1761cee5 3128#if defined(__CYGWIN__)
521e0776
GS		 3129/* USEMYBINMODE
3130 * This symbol, if defined, indicates that the program should
16fe6d59 3131 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3132 * that a file is in "binary" mode -- that is, that no translation
3133 * of bytes occurs on read or write operations.
3134 */
36894f0b 3135# define USEMYBINMODE /**/
77a40698 3136# include <io.h> /* for setmode() prototype */
16fe6d59 3137# define my_binmode(fp, iotype, mode) \
77a40698 3138 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3139#endif
3140
88d10794
JH		 3141#ifdef __CYGWIN__
3142void init_os_extras(void);
3143#endif
3144
cea2e8a9
GS		 3145#ifdef UNION_ANY_DEFINITION
3146UNION_ANY_DEFINITION;
3147#else
3148union any {
3149 void* any_ptr;
3150 I32 any_i32;
3151 IV any_iv;
c6bf6a65 3152 UV any_uv;
cea2e8a9 3153 long any_long;
9febdf04 3154 bool any_bool;
c76ac1ee 3155 void (*any_dptr) (void*);
acfe0abc 3156 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3157};
3158#endif
3159
acfe0abc 3160typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3161
3162#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3163#define FILTER_DATA(idx) \
3164 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3165#define FILTER_ISREADER(idx) \
3166 (PL_parser && PL_parser->rsfp_filters \
3167 && idx >= AvFILLp(PL_parser->rsfp_filters))
3168#define PERL_FILTER_EXISTS(i) \
3169 (PL_parser && PL_parser->rsfp_filters \
3170 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3171
c5078cac
JH		 3172#if defined(_AIX) && !defined(_AIX43)
3173#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3174/* We cannot include <crypt.h> to get the struct crypt_data
3175 * because of setkey prototype problems when threading */
3176typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3177 /* From OSF, Not needed in AIX
3178 char C[28], D[28];
3179 */
3180 char E[48];
3181 char KS[16][48];
3182 char block[66];
3183 char iobuf[16];
3184} CRYPTD;
3185#endif /* threading */
3186#endif /* AIX */
3187
e37778c2 3188#if !defined(OS2)
2c2d71f5
JH		 3189# include "iperlsys.h"
3190#endif
504f80c1 3191
9c12f1e5 3192#ifdef __LIBCATAMOUNT__
00f254e2 3193#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS		 3194#undef HAS_GROUP
3195#define FAKE_BIT_BUCKET
3196#endif
3197
d10dc2ae
JH		 3198/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3199 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3200 * defined by Configure, despite their names being similar to the
3201 * other defines like USE_ITHREADS. Configure in fact knows nothing
3202 * about the randomised hashes. Therefore to enable/disable the hash
3203 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3204#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3205# define USE_HASH_SEED
504f80c1
JH		 3206#endif
3207
598921a7
NC		 3208/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3209 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3210 * it's not really needed.
3211 */
3212#if defined(WIN32)
3213# define YYTOKENTYPE
3214#endif
3215#include "perly.h"
3216
3217#ifdef PERL_MAD
3218struct nexttoken {
3219 YYSTYPE next_val; /* value of next token, if any */
3220 I32 next_type; /* type of next token */
3221 MADPROP *next_mad; /* everything else about that token */
3222};
3223#endif
3224
654eccd5
JD		 3225/* macros to define bit-fields in structs. */
3226#ifndef PERL_BITFIELD8
3227# define PERL_BITFIELD8 unsigned
3228#endif
3229#ifndef PERL_BITFIELD16
3230# define PERL_BITFIELD16 unsigned
3231#endif
3232#ifndef PERL_BITFIELD32
3233# define PERL_BITFIELD32 unsigned
3234#endif
3235
79072805 3236#include "sv.h"
288b8c02 3237#include "regexp.h"
378cc40b 3238#include "util.h"
8d063cd8 3239#include "form.h"
79072805 3240#include "gv.h"
dd2155a4 3241#include "pad.h"
79072805 3242#include "cv.h"
abdd5c84 3243#include "opnames.h"
79072805 3244#include "op.h"
b3ca2e83 3245#include "hv.h"
79072805
LW		 3246#include "cop.h"
3247#include "av.h"
79072805
LW		 3248#include "mg.h"
3249#include "scope.h"
4438c4b7 3250#include "warnings.h"
a0ed51b3 3251#include "utf8.h"
8d063cd8 3252
0d7d409d
DM		 3253/* these would be in doio.h if there was such a file */
3254#define my_stat() my_stat_flags(SV_GMAGIC)
3255#define my_lstat() my_lstat_flags(SV_GMAGIC)
3256
20f4945e 3257/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM		 3258#undef _XPV_HEAD
3259#undef _XPVMG_HEAD
3260#undef _XPVCV_COMMON
7fae4e64
GS		 3261
3262typedef struct _sublex_info SUBLEXINFO;
3263struct _sublex_info {
651b5b28
NC		 3264 U8 super_state; /* lexer state to save */
3265 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3266 OP *sub_op; /* "lex_op" to use */
7cc34111 3267 SV *repl; /* replacement of s/// or y/// */
7fae4e64
GS		 3268};
3269
199e78b7
DM		 3270#include "parser.h"
3271
455ece5e 3272typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3273
2260ab51
KW		 3274#if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_REGEXEC_C)
3275
3276/* These have to be predeclared, as they are used in proto.h which is #included
3277 * before their definitions in regcomp.h. */
3278
3279struct scan_data_t;
3280struct regnode_charclass_class;
d1d040e5
KW		 3281
3282/* A hopefully less confusing name. The sub-classes are all Posix classes only
3283 * used under /l matching */
3284typedef struct regnode_charclass_class regnode_charclass_posixl;
3285
b8f7bb16 3286typedef struct regnode_ssc regnode_ssc;
09b2b2e6
KW		 3287typedef struct RExC_state_t RExC_state_t;
3288struct _reg_trie_data;
76e3520e 3289
2260ab51
KW		 3290#endif
3291
5f7fde29
GS		 3292struct ptr_tbl_ent {
3293 struct ptr_tbl_ent* next;
53c1dcc0 3294 const void* oldval;
5f7fde29 3295 void* newval;
d18c6117
GS		 3296};
3297
5f7fde29
GS		 3298struct ptr_tbl {
3299 struct ptr_tbl_ent** tbl_ary;
3300 UV tbl_max;
3301 UV tbl_items;
db93c0c4
NC		 3302 struct ptr_tbl_arena *tbl_arena;
3303 struct ptr_tbl_ent *tbl_arena_next;
3304 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS		 3305};
3306
fe14fcc3
LW		 3307#if defined(htonl) && !defined(HAS_HTONL)
3308#define HAS_HTONL
ae986130 3309#endif
fe14fcc3
LW		 3310#if defined(htons) && !defined(HAS_HTONS)
3311#define HAS_HTONS
ae986130 3312#endif
fe14fcc3
LW		 3313#if defined(ntohl) && !defined(HAS_NTOHL)
3314#define HAS_NTOHL
ae986130 3315#endif
fe14fcc3
LW		 3316#if defined(ntohs) && !defined(HAS_NTOHS)
3317#define HAS_NTOHS
ae986130 3318#endif
fe14fcc3 3319#ifndef HAS_HTONL
fe14fcc3
LW		 3320#define HAS_HTONS
3321#define HAS_HTONL
3322#define HAS_NTOHS
3323#define HAS_NTOHL
8e2d7c44
NC		 3324# if (BYTEORDER & 0xffff) == 0x4321
3325/* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3326 re-order their values. However, to behave identically to the alternative
3327 implementations, they should truncate to the correct size. */
3328# define ntohl(x) ((x)&0xFFFFFFFF)
3329# define htonl(x) ntohl(x)
3330# define ntohs(x) ((x)&0xFFFF)
3331# define htons(x) ntohs(x)
e4b03fed
NC		 3332# elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3333
3334/* Note that we can't straight out declare our own htonl and htons because
3335 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
3336 to avoid the overhead of initialising the socket subsystem, but the headers
3337 that *declare* the various functions are still seen. If we declare our own
3338 htonl etc they will clash with the declarations in the Win32 headers. */
3339
3340PERL_STATIC_INLINE U32
3341my_swap32(const U32 x) {
3342 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
3343 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
3344}
3345
3346PERL_STATIC_INLINE U16
3347my_swap16(const U16 x) {
3348 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
3349}
3350
3351# define htonl(x) my_swap32(x)
3352# define ntohl(x) my_swap32(x)
3353# define ntohs(x) my_swap16(x)
3354# define htons(x) my_swap16(x)
8e2d7c44 3355# else
691a44df
NC		 3356# error "Unsupported byteorder"
3357/* The C pre-processor doesn't let us return the value of BYTEORDER as part of
3358 the error message. Please check the value of the macro BYTEORDER, as defined
3359 in config.h. The values of BYTEORDER we expect are
3360
3361 big endian little endian
3362 32 bit 0x4321 0x1234
3363 64 bit 0x87654321 0x12345678
3364
3365 If you have a system with a different byte order, please see
3366 pod/perlhack.pod for how to submit a patch to add supporting code.
3367*/
3368# endif
a687059c
LW		 3369#endif
3370
988174c1
LW		 3371/*
3372 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3373 * -DWS
3374 */
5ae72479 3375#if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
260c6fee
NC		 3376/* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
3377 re-order their values. However, to behave identically to the alternative
3378 implementations, they should truncate to the correct size. */
3379# define vtohl(x) ((x)&0xFFFFFFFF)
3380# define vtohs(x) ((x)&0xFFFF)
3381# define htovl(x) vtohl(x)
3382# define htovs(x) vtohs(x)
545872c5 3383#elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3384# define vtohl(x) ((((x)&0xFF)<<24) \
3385 +(((x)>>24)&0xFF) \
3386 +(((x)&0x0000FF00)<<8) \
3387 +(((x)&0x00FF0000)>>8) )
3388# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3389# define htovl(x) vtohl(x)
3390# define htovs(x) vtohs(x)
545872c5
NC		 3391#else
3392# error "Unsupported byteorder"
3393/* If you have need for current perl on PDP-11 or similar, and can help test
3394 that blead keeps working on a mixed-endian system, then see
3395 pod/perlhack.pod for how to submit patches to things working again. */
2a8c3029 3396#endif
988174c1 3397
3bb7c1b4
JH		 3398/* *MAX Plus 1. A floating point value.
3399 Hopefully expressed in a way that dodgy floating point can't mess up.
3400 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3401 is added to it
3402 May find that some broken compiler will want the value cast to I32.
3403 [after the shift, as signed >> may not be as secure as unsigned >>]
3404*/
3405#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3406#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3407/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3408 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3409 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3410*/
3411#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3412
3bb7c1b4
JH		 3413#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3414#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3415#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3416
3417/* This may look like unnecessary jumping through hoops, but converting
3418 out of range floating point values to integers *is* undefined behaviour,
3419 and it is starting to bite.
3420*/
3421#ifndef CAST_INLINE
65202027 3422#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3423#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3424#define I_V(what) (cast_iv((NV)(what)))
3425#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3426#else
3427#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3428 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3429 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3430#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3431 : ((n) < U32_MAX_P1 ? (U32) (n) \
3432 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3433#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3434 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3435 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3436#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3437 : ((n) < UV_MAX_P1 ? (UV) (n) \
3438 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3439#endif
3440
3441#define U_S(what) ((U16)U_32(what))
3442#define U_I(what) ((unsigned int)U_32(what))
3443#define U_L(what) U_32(what)
ed6116ce 3444
ed140128
AD		 3445#ifdef HAS_SIGNBIT
3446# define Perl_signbit signbit
3447#endif
3448
2d4389e4
JH		 3449/* These do not care about the fractional part, only about the range. */
3450#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3451#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3452
25da4f38
IZ		 3453/* Used with UV/IV arguments: */
3454 /* XXXX: need to speed it up */
3455#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3456#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3457
352d5a3a
LW		 3458#ifndef MAXSYSFD
3459# define MAXSYSFD 2
3460#endif
ee0007ab 3461
79072805 3462#ifndef __cplusplus
e37d7e38 3463#if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3464Uid_t getuid (void);
3465Uid_t geteuid (void);
3466Gid_t getgid (void);
3467Gid_t getegid (void);
79072805 3468#endif
e1caacb4 3469#endif
8d063cd8 3470
0c30d9ec 3471#ifndef Perl_debug_log
bf49b057
GS		 3472# define Perl_debug_log PerlIO_stderr()
3473#endif
3474
3475#ifndef Perl_error_log
3476# define Perl_error_log (PL_stderrgv \
6b78add2 3477 && isGV(PL_stderrgv) \
01bb7c6d 3478 && GvIOp(PL_stderrgv) \
42de951c 3479 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3480 ? IoOFP(GvIOp(PL_stderrgv)) \
3481 : PerlIO_stderr())
0c30d9ec 3482#endif
3967c732 3483
aea4f609
DM		 3484
3485#define DEBUG_p_FLAG 0x00000001 /* 1 */
3486#define DEBUG_s_FLAG 0x00000002 /* 2 */
3487#define DEBUG_l_FLAG 0x00000004 /* 4 */
3488#define DEBUG_t_FLAG 0x00000008 /* 8 */
3489#define DEBUG_o_FLAG 0x00000010 /* 16 */
3490#define DEBUG_c_FLAG 0x00000020 /* 32 */
3491#define DEBUG_P_FLAG 0x00000040 /* 64 */
3492#define DEBUG_m_FLAG 0x00000080 /* 128 */
3493#define DEBUG_f_FLAG 0x00000100 /* 256 */
3494#define DEBUG_r_FLAG 0x00000200 /* 512 */
3495#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3496#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3497/* U is reserved for Unofficial, exploratory hacking */
3498#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3499#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3500#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3501#define DEBUG_D_FLAG 0x00008000 /* 32768 */
56967202 3502#define DEBUG_S_FLAG 0x00010000 /* 65536 */
aea4f609 3503#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3504#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3505#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3506#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3507#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3508#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3509#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 3510#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3511#define DEBUG_B_FLAG 0x02000000 /*33554432*/
56967202 3512#define DEBUG_MASK 0x03FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3513
3514#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3515#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3516 that something was done? */
aea4f609 3517
bd16a5f0
IZ		 3518# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3519# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3520# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3521# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3522# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3523# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3524# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3525# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3526# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3527# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3528# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3529# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3530# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3531# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3532# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3533# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
56967202 3534# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
bd16a5f0
IZ		 3535# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3536# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3537# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3538# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3539# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3540# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3541# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3542# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3543# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3544# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3545# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3546# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3547
3967c732 3548#ifdef DEBUGGING
aea4f609 3549
bd16a5f0
IZ		 3550# define DEBUG_p_TEST DEBUG_p_TEST_
3551# define DEBUG_s_TEST DEBUG_s_TEST_
3552# define DEBUG_l_TEST DEBUG_l_TEST_
3553# define DEBUG_t_TEST DEBUG_t_TEST_
3554# define DEBUG_o_TEST DEBUG_o_TEST_
3555# define DEBUG_c_TEST DEBUG_c_TEST_
3556# define DEBUG_P_TEST DEBUG_P_TEST_
3557# define DEBUG_m_TEST DEBUG_m_TEST_
3558# define DEBUG_f_TEST DEBUG_f_TEST_
3559# define DEBUG_r_TEST DEBUG_r_TEST_
3560# define DEBUG_x_TEST DEBUG_x_TEST_
3561# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3562# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3563# define DEBUG_H_TEST DEBUG_H_TEST_
3564# define DEBUG_X_TEST DEBUG_X_TEST_
3565# define DEBUG_D_TEST DEBUG_D_TEST_
56967202 3566# define DEBUG_S_TEST DEBUG_S_TEST_
bd16a5f0
IZ		 3567# define DEBUG_T_TEST DEBUG_T_TEST_
3568# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3569# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3570# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3571# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3572# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3573# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3574# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3575# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC		 3576# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3577# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3578# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3579
488b0c7a
JH		 3580# define PERL_DEB(a) a
3581# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3582# define DEBUG_p(a) if (DEBUG_p_TEST) a
3583# define DEBUG_s(a) if (DEBUG_s_TEST) a
3584# define DEBUG_l(a) if (DEBUG_l_TEST) a
3585# define DEBUG_t(a) if (DEBUG_t_TEST) a
3586# define DEBUG_o(a) if (DEBUG_o_TEST) a
3587# define DEBUG_c(a) if (DEBUG_c_TEST) a
3588# define DEBUG_P(a) if (DEBUG_P_TEST) a
3589
969058bb
VK		 3590 /* Temporarily turn off memory debugging in case the a
3591 * does memory allocation, either directly or indirectly. */
acfe0abc 3592# define DEBUG_m(a) \
0b250b9e 3593 STMT_START { \
aea4f609 3594 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3595 } STMT_END
aea4f609 3596
5f80b19c
AMS		 3597# define DEBUG__(t, a) \
3598 STMT_START { \
3599 if (t) STMT_START {a;} STMT_END; \
3600 } STMT_END
3601
3602# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3603#ifndef PERL_EXT_RE_BUILD
5f80b19c 3604# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3605#else
3606# define DEBUG_r(a) STMT_START {a;} STMT_END
3607#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3608# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3609# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3610# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3611# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3612# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3613# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3614# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3615# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3616# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3617
56967202 3618# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
5f80b19c
AMS		 3619# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3620# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3621# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3622# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3623# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3624# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3625# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3626# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM		 3627
3628#else /* DEBUGGING */
3629
3630# define DEBUG_p_TEST (0)
3631# define DEBUG_s_TEST (0)
3632# define DEBUG_l_TEST (0)
3633# define DEBUG_t_TEST (0)
3634# define DEBUG_o_TEST (0)
3635# define DEBUG_c_TEST (0)
3636# define DEBUG_P_TEST (0)
3637# define DEBUG_m_TEST (0)
3638# define DEBUG_f_TEST (0)
3639# define DEBUG_r_TEST (0)
3640# define DEBUG_x_TEST (0)
3641# define DEBUG_u_TEST (0)
88d2d28a 3642# define DEBUG_U_TEST (0)
aea4f609
DM		 3643# define DEBUG_H_TEST (0)
3644# define DEBUG_X_TEST (0)
3645# define DEBUG_D_TEST (0)
56967202 3646# define DEBUG_S_TEST (0)
aea4f609 3647# define DEBUG_T_TEST (0)
04932ac8 3648# define DEBUG_R_TEST (0)
1045810a 3649# define DEBUG_J_TEST (0)
d6721266 3650# define DEBUG_v_TEST (0)
46187eeb 3651# define DEBUG_C_TEST (0)
ecae49c0
NC		 3652# define DEBUG_A_TEST (0)
3653# define DEBUG_q_TEST (0)
d7c0d282 3654# define DEBUG_M_TEST (0)
cc8773c0 3655# define DEBUG_B_TEST (0)
7949c6f5
JC		 3656# define DEBUG_Xv_TEST (0)
3657# define DEBUG_Uv_TEST (0)
ad9e76a8 3658# define DEBUG_Pv_TEST (0)
aea4f609 3659
488b0c7a
JH		 3660# define PERL_DEB(a)
3661# define PERL_DEBUG(a)
aea4f609
DM		 3662# define DEBUG_p(a)
3663# define DEBUG_s(a)
3664# define DEBUG_l(a)
3665# define DEBUG_t(a)
3666# define DEBUG_o(a)
3667# define DEBUG_c(a)
3668# define DEBUG_P(a)
3669# define DEBUG_m(a)
3670# define DEBUG_f(a)
3671# define DEBUG_r(a)
3672# define DEBUG_x(a)
3673# define DEBUG_u(a)
88d2d28a 3674# define DEBUG_U(a)
aea4f609
DM		 3675# define DEBUG_H(a)
3676# define DEBUG_X(a)
3677# define DEBUG_D(a)
56967202 3678# define DEBUG_S(a)
aea4f609 3679# define DEBUG_T(a)
04932ac8 3680# define DEBUG_R(a)
d6721266 3681# define DEBUG_v(a)
46187eeb 3682# define DEBUG_C(a)
ecae49c0
NC		 3683# define DEBUG_A(a)
3684# define DEBUG_q(a)
d7c0d282 3685# define DEBUG_M(a)
cc8773c0 3686# define DEBUG_B(a)
7949c6f5
JC		 3687# define DEBUG_Xv(a)
3688# define DEBUG_Uv(a)
ad9e76a8 3689# define DEBUG_Pv(a)
aea4f609
DM		 3690#endif /* DEBUGGING */
3691
3692
b4ab917c 3693#define DEBUG_SCOPE(where) \
d9f81b50 3694 DEBUG_l( \
1c98cc53
DM		 3695 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
3696 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
d9f81b50 3697 __FILE__, __LINE__));
b4ab917c 3698
de84dc04
NC		 3699#if defined(DEBUGGING) && defined(I_ASSERT)
3700# include <assert.h>
3701#endif
3702
3703/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3704 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3705
de84dc04 3706#define Perl_assert(what) PERL_DEB( \
2b057284 3707 ((what) ? ((void) 0) : \
67eb4d30 3708 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3709 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3710 (void) 0)))
de84dc04
NC		 3711
3712#ifndef assert
3713# define assert(what) Perl_assert(what)
a446a88f 3714#endif
c7724415
FC		 3715#ifdef DEBUGGING
3716# define assert_(what) assert(what),
3717#else
3718# define assert_(what)
3719#endif
8d063cd8 3720
450a55e4 3721struct ufuncs {
24f81a43
DM		 3722 I32 (*uf_val)(pTHX_ IV, SV*);
3723 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3724 IV uf_index;
450a55e4
LW		 3725};
3726
14befaf4 3727/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3728 * XS code wanting to be backward compatible can do something
3729 * like the following:
c745e42c 3730
24f81a43 3731#ifndef PERL_MG_UFUNC
24f81a43
DM		 3732#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3733#endif
3734
3735static PERL_MG_UFUNC(foo_get, index, val)
3736{
3737 sv_setsv(val, ...);
3738 return TRUE;
3739}
3740
3741-- Doug MacEachern
3742
3743*/
3744
fc9c74e6 3745#ifndef PERL_MG_UFUNC
24f81a43 3746#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3747#endif
24f81a43 3748
fe14fcc3 3749/* Fix these up for __STDC__ */
68dc0745 3750#ifndef DONT_DECLARE_STD
20ce7b12 3751char *mktemp (char*);
37bd1396 3752#ifndef atof
20ce7b12 3753double atof (const char*);
a0d0e21e 3754#endif
37bd1396 3755#endif
79072805 3756
352d5a3a 3757#ifndef STANDARD_C
fe14fcc3 3758/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3759Time_t time();
8d063cd8 3760struct tm *gmtime(), *localtime();
043fec90 3761#if defined(OEMVS)
9d116dd7
JH		 3762char *(strchr)(), *(strrchr)();
3763char *(strcpy)(), *(strcat)();
3764#else
93a17b20 3765char *strchr(), *strrchr();
378cc40b 3766char *strcpy(), *strcat();
9d116dd7 3767#endif
352d5a3a 3768#endif /* ! STANDARD_C */
8d063cd8 3769
79072805
LW		 3770
3771#ifdef I_MATH
3772# include <math.h>
3773#else
32f822de 3774START_EXTERN_C
20ce7b12
GS		 3775 double exp (double);
3776 double log (double);
3777 double log10 (double);
3778 double sqrt (double);
3779 double frexp (double,int*);
3780 double ldexp (double,int);
3781 double modf (double,double*);
3782 double sin (double);
3783 double cos (double);
3784 double atan2 (double,double);
3785 double pow (double,double);
32f822de 3786END_EXTERN_C
79072805
LW		 3787#endif
3788
aa8b85de
JH		 3789#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3790# define NV_INF LDBL_INFINITY
3791#endif
3792#if !defined(NV_INF) && defined(DBL_INFINITY)
3793# define NV_INF (NV)DBL_INFINITY
3794#endif
3795#if !defined(NV_INF) && defined(INFINITY)
3796# define NV_INF (NV)INFINITY
3797#endif
3798#if !defined(NV_INF) && defined(INF)
3799# define NV_INF (NV)INF
3800#endif
3801#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3802# define NV_INF (NV)HUGE_VALL
3803#endif
3804#if !defined(NV_INF) && defined(HUGE_VAL)
3805# define NV_INF (NV)HUGE_VAL
3806#endif
3807
3808#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3809# if !defined(NV_NAN) && defined(LDBL_NAN)
3810# define NV_NAN LDBL_NAN
3811# endif
3812# if !defined(NV_NAN) && defined(LDBL_QNAN)
3813# define NV_NAN LDBL_QNAN
3814# endif
3815# if !defined(NV_NAN) && defined(LDBL_SNAN)
3816# define NV_NAN LDBL_SNAN
3817# endif
3818#endif
3819#if !defined(NV_NAN) && defined(DBL_NAN)
3820# define NV_NAN (NV)DBL_NAN
3821#endif
3822#if !defined(NV_NAN) && defined(DBL_QNAN)
3823# define NV_NAN (NV)DBL_QNAN
3824#endif
3825#if !defined(NV_NAN) && defined(DBL_SNAN)
3826# define NV_NAN (NV)DBL_SNAN
3827#endif
3828#if !defined(NV_NAN) && defined(QNAN)
3829# define NV_NAN (NV)QNAN
3830#endif
3831#if !defined(NV_NAN) && defined(SNAN)
3832# define NV_NAN (NV)SNAN
3833#endif
3834#if !defined(NV_NAN) && defined(NAN)
3835# define NV_NAN (NV)NAN
3836#endif
3837
a0d0e21e 3838#ifndef __cplusplus
8f1f23e8 3839# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3840char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3841# else
fd8cd3a3 3842# if !defined(WIN32) && !defined(VMS)
10bc17b6 3843#ifndef crypt
20ce7b12 3844char *crypt (const char*, const char*);
10bc17b6 3845#endif
5014db98 3846# endif /* !WIN32 */
8f1f23e8 3847# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3848# ifndef DONT_DECLARE_STD
3849# ifndef getenv
20ce7b12 3850char *getenv (const char*);
26618a56 3851# endif /* !getenv */
739a0b84 3852# if !defined(HAS_LSEEK_PROTO) && !defined(__hpux)
0fc67700 3853# ifdef _FILE_OFFSET_BITS
28ca6303 3854# if _FILE_OFFSET_BITS == 64
20ce7b12 3855Off_t lseek (int,Off_t,int);
0fc67700
JH		 3856# endif
3857# endif
bf0c440f 3858# endif
26618a56 3859# endif /* !DONT_DECLARE_STD */
e37d7e38
SH		 3860# ifndef WIN32
3861# ifndef getlogin
20ce7b12 3862char *getlogin (void);
e37d7e38
SH		 3863# endif
3864# endif /* !WIN32 */
26618a56 3865#endif /* !__cplusplus */
79072805 3866
7a7fd8e0
JM		 3867/* Fixme on VMS. This needs to be a run-time, not build time options */
3868/* Also rename() is affected by this */
16d20bd9 3869#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3870#define UNLINK unlnk
083639a9 3871I32 unlnk (pTHX_ const char*);
8d063cd8 3872#else
80252599 3873#define UNLINK PerlLIO_unlink
8d063cd8 3874#endif
a687059c 3875
fa0a29af
JH		 3876/* some versions of glibc are missing the setresuid() proto */
3877#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3878int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3879#endif
fa0a29af
JH		 3880/* some versions of glibc are missing the setresgid() proto */
3881#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3882int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3883#endif
3884
fe14fcc3 3885#ifndef HAS_SETREUID
85e6fe83
LW		 3886# ifdef HAS_SETRESUID
3887# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3888# define HAS_SETREUID
3889# endif
a687059c 3890#endif
fe14fcc3 3891#ifndef HAS_SETREGID
85e6fe83
LW		 3892# ifdef HAS_SETRESGID
3893# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3894# define HAS_SETREGID
3895# endif
a687059c 3896#endif
ee0007ab 3897
d543acb6 3898/* Sighandler_t defined in iperlsys.h */
ff68c719 3899
3900#ifdef HAS_SIGACTION
3901typedef struct sigaction Sigsave_t;
3902#else
3903typedef Sighandler_t Sigsave_t;
3904#endif
3905
ee0007ab
LW		 3906#define SCAN_DEF 0
3907#define SCAN_TR 1
3908#define SCAN_REPL 2
79072805
LW		 3909
3910#ifdef DEBUGGING
4633a7c4 3911# ifndef register
a0d0e21e
LW		 3912# define register
3913# endif
cea2e8a9 3914# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3915#else
cea2e8a9 3916# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 3917#endif
3918
6cb8cb21 3919#ifdef USE_PERLIO
0934c9d9 3920EXTERN_C void PerlIO_teardown(void);
2f44961c 3921# ifdef USE_ITHREADS
6cb8cb21
RGS		 3922# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
3923# define PERLIO_TERM \
3924 STMT_START { \
d0820ef1 3925 PerlIO_teardown(); \
6cb8cb21
RGS		 3926 MUTEX_DESTROY(&PL_perlio_mutex);\
3927 } STMT_END
3928# else
3929# define PERLIO_INIT
d0820ef1 3930# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 3931# endif
6b29934b
NC		 3932#else
3933# define PERLIO_INIT
3934# define PERLIO_TERM
6cb8cb21
RGS		 3935#endif
3936
18f739ee 3937#ifdef MYMALLOC
772fe5b3 3938# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 3939# define MALLOC_INIT \
3940 STMT_START { \
3941 PL_malloc_mutex = NULL; \
3942 MUTEX_INIT(&PL_malloc_mutex); \
3943 } STMT_END
3944# define MALLOC_TERM \
3945 STMT_START { \
3946 perl_mutex tmp = PL_malloc_mutex; \
3947 PL_malloc_mutex = NULL; \
3948 MUTEX_DESTROY(&tmp); \
3949 } STMT_END
3950# else
3951# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3952# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
3953# endif
18f739ee
IZ		 3954#else
3955# define MALLOC_INIT
3956# define MALLOC_TERM
3957#endif
3958
cd1541b2 3959#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 3960
3961struct perl_memory_debug_header;
cd1541b2
NC		 3962struct perl_memory_debug_header {
3963 tTHX interpreter;
3964# ifdef PERL_POISON
3965 MEM_SIZE size;
cd1541b2 3966# endif
7cb608b5
NC		 3967 struct perl_memory_debug_header *prev;
3968 struct perl_memory_debug_header *next;
cd1541b2
NC		 3969};
3970
3971# define sTHX (sizeof(struct perl_memory_debug_header) + \
3972 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
3973 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
3974
d8fca402
NC		 3975#else
3976# define sTHX 0
cd1541b2
NC		 3977#endif
3978
7cb608b5
NC		 3979#ifdef PERL_TRACK_MEMPOOL
3980# define INIT_TRACK_MEMPOOL(header, interp) \
3981 STMT_START { \
3982 (header).interpreter = (interp); \
3983 (header).prev = (header).next = &(header); \
3984 } STMT_END
3985# else
3986# define INIT_TRACK_MEMPOOL(header, interp)
3987#endif
3988
1cd66f7c
DD		 3989#ifdef I_MALLOCMALLOC
3990/* Needed for malloc_size(), malloc_good_size() on some systems */
3991# include <malloc/malloc.h>
3992#endif
3993
ca7c1a29
NC		 3994#ifdef MYMALLOC
3995# define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
cfe52898 3996#else
e82be400
NC		 3997# ifdef HAS_MALLOC_SIZE
3998# ifdef PERL_TRACK_MEMPOOL
cfe52898
RGS		 3999# define Perl_safesysmalloc_size(where) \
4000 (malloc_size(((char *)(where)) - sTHX) - sTHX)
e82be400
NC		 4001# else
4002# define Perl_safesysmalloc_size(where) malloc_size(where)
4003# endif
4004# endif
4005# ifdef HAS_MALLOC_GOOD_SIZE
4006# ifdef PERL_TRACK_MEMPOOL
d8fca402
NC		 4007# define Perl_malloc_good_size(how_much) \
4008 (malloc_good_size((how_much) + sTHX) - sTHX)
e82be400
NC		 4009# else
4010# define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4011# endif
4012# else
d8fca402
NC		 4013/* Having this as the identity operation makes some code simpler. */
4014# define Perl_malloc_good_size(how_much) (how_much)
e82be400 4015# endif
ca7c1a29 4016#endif
b6d9d515 4017
16c91539
BM		 4018typedef int (*runops_proc_t)(pTHX);
4019typedef void (*share_proc_t) (pTHX_ SV *sv);
4020typedef int (*thrhook_proc_t) (pTHX);
4021typedef OP* (*PPADDR_t[]) (pTHX);
4022typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4023typedef void (*despatch_signals_proc_t) (pTHX);
22c35a8c 4024
8f1f23e8
W		 4025/* NeXT has problems with crt0.o globals */
4026#if defined(__DYNAMIC__) && \
6239f2da 4027 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 4028# if defined(NeXT) || defined(__NeXT)
4029# include <mach-o/dyld.h>
4030# define environ (*environ_pointer)
0c30d9ec 4031EXT char *** environ_pointer;
8f1f23e8 4032# else
6239f2da 4033# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 4034# include <crt_externs.h> /* for the env array */
4035# define environ (*_NSGetEnviron())
4036# endif
0c30d9ec 4037# endif
8f1f23e8
W		 4038#else
4039 /* VMS and some other platforms don't use the environ array */
13b6e58c 4040# ifdef USE_ENVIRON_ARRAY
a6c40364 4041# if !defined(DONT_DECLARE_STD) || \
bdea967c 4042 (defined(__svr4__) && defined(__GNUC__) && defined(__sun)) || \
8d87852b 4043 defined(__sgi)
8f1f23e8 4044extern char ** environ; /* environment variables supplied via exec */
a6c40364 4045# endif
8f1f23e8
W		 4046# endif
4047#endif
79072805 4048
457c5385
NC		 4049#define PERL_PATCHLEVEL_H_IMPLICIT
4050#include "patchlevel.h"
4051#undef PERL_PATCHLEVEL_H_IMPLICIT
4052
4053#define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4054 STRINGIFY(PERL_VERSION) "." \
4055 STRINGIFY(PERL_SUBVERSION)
4056
4057#define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4058 STRINGIFY(PERL_API_VERSION) "." \
4059 STRINGIFY(PERL_API_SUBVERSION)
4060
73c4f7a1
GS		 4061START_EXTERN_C
4062
79072805 4063/* handy constants */
22c35a8c 4064EXTCONST char PL_warn_uninit[]
29489e7c 4065 INIT("Use of uninitialized value%s%s%s");
fef7e7a0
BF		 4066EXTCONST char PL_warn_uninit_sv[]
4067 INIT("Use of uninitialized value%"SVf"%s%s");
22c35a8c 4068EXTCONST char PL_warn_nosemi[]
463ee0b2 4069 INIT("Semicolon seems to be missing");
22c35a8c 4070EXTCONST char PL_warn_reserved[]
463ee0b2 4071 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4072EXTCONST char PL_warn_nl[]
93a17b20 4073 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4074EXTCONST char PL_no_wrongref[]
a0d0e21e 4075 INIT("Can't use %s ref as %s ref");
def89bff
NC		 4076/* The core no longer needs these here. If you require the string constant,
4077 please inline a copy into your own code. */
973a7615
NC		 4078EXTCONST char PL_no_symref[] __attribute__deprecated__
4079 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
def89bff
NC		 4080EXTCONST char PL_no_symref_sv[] __attribute__deprecated__
4081 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 4082EXTCONST char PL_no_usym[]
8990e307 4083 INIT("Can't use an undefined value as %s reference");
22c35a8c 4084EXTCONST char PL_no_aelem[]
93a17b20 4085 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4086EXTCONST char PL_no_helem_sv[]
d04ff51e 4087 INIT("Modification of non-creatable hash value attempted, subscript \"%"SVf"\"");
22c35a8c 4088EXTCONST char PL_no_modify[]
93a17b20 4089 INIT("Modification of a read-only value attempted");
4cbe3a7d 4090EXTCONST char PL_no_mem[sizeof("Out of memory!\n")]
93a17b20 4091 INIT("Out of memory!\n");
22c35a8c 4092EXTCONST char PL_no_security[]
463ee0b2 4093 INIT("Insecure dependency in %s%s");
22c35a8c 4094EXTCONST char PL_no_sock_func[]
93a17b20 4095 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4096EXTCONST char PL_no_dir_func[]
93a17b20 4097 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4098EXTCONST char PL_no_func[]
93a17b20 4099 INIT("The %s function is unimplemented");
22c35a8c 4100EXTCONST char PL_no_myglob[]
952306ac 4101 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 4102EXTCONST char PL_no_localize_ref[]
4103 INIT("Can't localize through a reference");
27d5b266
JH		 4104EXTCONST char PL_memory_wrap[]
4105 INIT("panic: memory wrap");
93a17b20 4106
58f645e2
NC		 4107EXTCONST char PL_Yes[]
4108 INIT("1");
4109EXTCONST char PL_No[]
4110 INIT("");
4111EXTCONST char PL_hexdigit[]
4112 INIT("0123456789abcdef0123456789ABCDEF");
4113
0447859b
NC		 4114/* This is constant on most architectures, a global on OS/2 */
4115#ifndef OS2
4116EXTCONST char PL_sh_path[]
4117 INIT(SH_PATH); /* full path of shell */
4118#endif
4119
618b9757
NC		 4120#ifdef CSH
4121EXTCONST char PL_cshname[]
4122 INIT(CSH);
4123# define PL_cshlen (sizeof(CSH "") - 1)
4124#endif
4125
457c5385
NC		 4126/* These are baked at compile time into any shared perl library.
4127 In future releases this will allow us in main() to sanity test the
4128 library we're linking against. */
4129
4130EXTCONST U8 PL_revision
4131 INIT(PERL_REVISION);
4132EXTCONST U8 PL_version
4133 INIT(PERL_VERSION);
4134EXTCONST U8 PL_subversion
4135 INIT(PERL_SUBVERSION);
4136
7575fa06 4137EXTCONST char PL_uuemap[65]
80252599
GS		 4138 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4139
79072805 4140#ifdef DOINIT
9444d213 4141EXTCONST char PL_uudmap[256] =
dde5ec2c
NC		 4142# ifdef PERL_MICRO
4143# include "uuudmap.h"
4144# else
4145# include "uudmap.h"
4146# endif
9444d213 4147;
efa50c51 4148EXTCONST char PL_bitcount[256] =
dde5ec2c
NC		 4149# ifdef PERL_MICRO
4150# include "ubitcount.h"
4151#else
4152# include "bitcount.h"
4153# endif
efa50c51 4154;
27da23d5
JH		 4155EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4156EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4157#else
9444d213 4158EXTCONST char PL_uudmap[256];
efa50c51 4159EXTCONST char PL_bitcount[256];
27da23d5
JH		 4160EXTCONST char* const PL_sig_name[];
4161EXTCONST int PL_sig_num[];
79072805
LW		 4162#endif
4163
6d8e7a01
KW		 4164/* fast conversion and case folding tables. The folding tables complement the
4165 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4166 * folds such as outside the range or to multiple characters. */
bbce6d69 4167
79072805 4168#ifdef DOINIT
d02f4dad
KW		 4169#ifndef EBCDIC
4170
4171/* The EBCDIC fold table depends on the code page, and hence is found in
4172 * utfebcdic.h */
4173
22c35a8c 4174EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4175 0, 1, 2, 3, 4, 5, 6, 7,
4176 8, 9, 10, 11, 12, 13, 14, 15,
4177 16, 17, 18, 19, 20, 21, 22, 23,
4178 24, 25, 26, 27, 28, 29, 30, 31,
4179 32, 33, 34, 35, 36, 37, 38, 39,
4180 40, 41, 42, 43, 44, 45, 46, 47,
4181 48, 49, 50, 51, 52, 53, 54, 55,
4182 56, 57, 58, 59, 60, 61, 62, 63,
4183 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4184 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4185 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4186 'x', 'y', 'z', 91, 92, 93, 94, 95,
4187 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4188 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4189 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4190 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4191 128, 129, 130, 131, 132, 133, 134, 135,
4192 136, 137, 138, 139, 140, 141, 142, 143,
4193 144, 145, 146, 147, 148, 149, 150, 151,
4194 152, 153, 154, 155, 156, 157, 158, 159,
4195 160, 161, 162, 163, 164, 165, 166, 167,
4196 168, 169, 170, 171, 172, 173, 174, 175,
4197 176, 177, 178, 179, 180, 181, 182, 183,
4198 184, 185, 186, 187, 188, 189, 190, 191,
4199 192, 193, 194, 195, 196, 197, 198, 199,
4200 200, 201, 202, 203, 204, 205, 206, 207,
4201 208, 209, 210, 211, 212, 213, 214, 215,
4202 216, 217, 218, 219, 220, 221, 222, 223,
4203 224, 225, 226, 227, 228, 229, 230, 231,
4204 232, 233, 234, 235, 236, 237, 238, 239,
4205 240, 241, 242, 243, 244, 245, 246, 247,
4206 248, 249, 250, 251, 252, 253, 254, 255
4207};
3871f40b
KW		 4208EXTCONST unsigned char PL_fold_latin1[] = {
4209 /* Full latin1 complement folding, except for three problematic code points:
4210 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4211 * fold complements outside the Latin1 range, so can't match something
4212 * that isn't in utf8.
4213 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4214 * not one, so can't be represented in this table.
4215 *
4216 * All have to be specially handled */
4217 0, 1, 2, 3, 4, 5, 6, 7,
4218 8, 9, 10, 11, 12, 13, 14, 15,
4219 16, 17, 18, 19, 20, 21, 22, 23,
4220 24, 25, 26, 27, 28, 29, 30, 31,
4221 32, 33, 34, 35, 36, 37, 38, 39,
4222 40, 41, 42, 43, 44, 45, 46, 47,
4223 48, 49, 50, 51, 52, 53, 54, 55,
4224 56, 57, 58, 59, 60, 61, 62, 63,
4225 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4226 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4227 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4228 'x', 'y', 'z', 91, 92, 93, 94, 95,
4229 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4230 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4231 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4232 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4233 128, 129, 130, 131, 132, 133, 134, 135,
4234 136, 137, 138, 139, 140, 141, 142, 143,
4235 144, 145, 146, 147, 148, 149, 150, 151,
4236 152, 153, 154, 155, 156, 157, 158, 159,
4237 160, 161, 162, 163, 164, 165, 166, 167,
4238 168, 169, 170, 171, 172, 173, 174, 175,
4239 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4240 184, 185, 186, 187, 188, 189, 190, 191,
4241 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4242 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4243 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4244 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4245 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4246 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4247 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4248 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4249 255 /* y with diaeresis */
4250};
00f254e2
KW		 4251
4252/* If these tables are accessed through ebcdic, the access will be converted to
4253 * latin1 first */
4254EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4255 0, 1, 2, 3, 4, 5, 6, 7,
4256 8, 9, 10, 11, 12, 13, 14, 15,
4257 16, 17, 18, 19, 20, 21, 22, 23,
4258 24, 25, 26, 27, 28, 29, 30, 31,
4259 32, 33, 34, 35, 36, 37, 38, 39,
4260 40, 41, 42, 43, 44, 45, 46, 47,
4261 48, 49, 50, 51, 52, 53, 54, 55,
4262 56, 57, 58, 59, 60, 61, 62, 63,
4263 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4264 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4265 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4266 'x', 'y', 'z', 91, 92, 93, 94, 95,
4267 96, 97, 98, 99, 100, 101, 102, 103,
4268 104, 105, 106, 107, 108, 109, 110, 111,
4269 112, 113, 114, 115, 116, 117, 118, 119,
4270 120, 121, 122, 123, 124, 125, 126, 127,
4271 128, 129, 130, 131, 132, 133, 134, 135,
4272 136, 137, 138, 139, 140, 141, 142, 143,
4273 144, 145, 146, 147, 148, 149, 150, 151,
4274 152, 153, 154, 155, 156, 157, 158, 159,
4275 160, 161, 162, 163, 164, 165, 166, 167,
4276 168, 169, 170, 171, 172, 173, 174, 175,
4277 176, 177, 178, 179, 180, 181, 182, 183,
4278 184, 185, 186, 187, 188, 189, 190, 191,
4279 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4280 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4281 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4282 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4283 224, 225, 226, 227, 228, 229, 230, 231,
4284 232, 233, 234, 235, 236, 237, 238, 239,
4285 240, 241, 242, 243, 244, 245, 246, 247,
4286 248, 249, 250, 251, 252, 253, 254, 255
4287};
4288
4289/* upper and title case of latin1 characters, modified so that the three tricky
4290 * ones are mapped to 255 (which is one of the three) */
4291EXTCONST unsigned char PL_mod_latin1_uc[] = {
4292 0, 1, 2, 3, 4, 5, 6, 7,
4293 8, 9, 10, 11, 12, 13, 14, 15,
4294 16, 17, 18, 19, 20, 21, 22, 23,
4295 24, 25, 26, 27, 28, 29, 30, 31,
4296 32, 33, 34, 35, 36, 37, 38, 39,
4297 40, 41, 42, 43, 44, 45, 46, 47,
4298 48, 49, 50, 51, 52, 53, 54, 55,
4299 56, 57, 58, 59, 60, 61, 62, 63,
4300 64, 65, 66, 67, 68, 69, 70, 71,
4301 72, 73, 74, 75, 76, 77, 78, 79,
4302 80, 81, 82, 83, 84, 85, 86, 87,
4303 88, 89, 90, 91, 92, 93, 94, 95,
4304 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4305 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4306 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4307 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4308 128, 129, 130, 131, 132, 133, 134, 135,
4309 136, 137, 138, 139, 140, 141, 142, 143,
4310 144, 145, 146, 147, 148, 149, 150, 151,
4311 152, 153, 154, 155, 156, 157, 158, 159,
4312 160, 161, 162, 163, 164, 165, 166, 167,
4313 168, 169, 170, 171, 172, 173, 174, 175,
4314 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4315 184, 185, 186, 187, 188, 189, 190, 191,
4316 192, 193, 194, 195, 196, 197, 198, 199,
4317 200, 201, 202, 203, 204, 205, 206, 207,
4318 208, 209, 210, 211, 212, 213, 214, 215,
4319 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/,
4320 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4321 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4322 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4323 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4324};
1248eb9d 4325#endif /* !EBCDIC, but still in DOINIT */
00f254e2 4326#else /* ! DOINIT */
1248eb9d 4327# ifndef EBCDIC
22c35a8c 4328EXTCONST unsigned char PL_fold[];
3871f40b 4329EXTCONST unsigned char PL_fold_latin1[];
00f254e2
KW		 4330EXTCONST unsigned char PL_mod_latin1_uc[];
4331EXTCONST unsigned char PL_latin1_lc[];
1248eb9d 4332# endif
79072805
LW		 4333#endif
4334
27da23d5 4335#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4336#ifdef DOINIT
27da23d5 4337EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4338 0, 1, 2, 3, 4, 5, 6, 7,
4339 8, 9, 10, 11, 12, 13, 14, 15,
4340 16, 17, 18, 19, 20, 21, 22, 23,
4341 24, 25, 26, 27, 28, 29, 30, 31,
4342 32, 33, 34, 35, 36, 37, 38, 39,
4343 40, 41, 42, 43, 44, 45, 46, 47,
4344 48, 49, 50, 51, 52, 53, 54, 55,
4345 56, 57, 58, 59, 60, 61, 62, 63,
4346 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4347 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4348 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4349 'x', 'y', 'z', 91, 92, 93, 94, 95,
4350 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4351 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4352 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4353 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4354 128, 129, 130, 131, 132, 133, 134, 135,
4355 136, 137, 138, 139, 140, 141, 142, 143,
4356 144, 145, 146, 147, 148, 149, 150, 151,
4357 152, 153, 154, 155, 156, 157, 158, 159,
4358 160, 161, 162, 163, 164, 165, 166, 167,
4359 168, 169, 170, 171, 172, 173, 174, 175,
4360 176, 177, 178, 179, 180, 181, 182, 183,
4361 184, 185, 186, 187, 188, 189, 190, 191,
4362 192, 193, 194, 195, 196, 197, 198, 199,
4363 200, 201, 202, 203, 204, 205, 206, 207,
4364 208, 209, 210, 211, 212, 213, 214, 215,
4365 216, 217, 218, 219, 220, 221, 222, 223,
4366 224, 225, 226, 227, 228, 229, 230, 231,
4367 232, 233, 234, 235, 236, 237, 238, 239,
4368 240, 241, 242, 243, 244, 245, 246, 247,
4369 248, 249, 250, 251, 252, 253, 254, 255
4370};
4371#else
27da23d5 4372EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4373#endif
27da23d5 4374#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4375
4376#ifdef DOINIT
9d116dd7 4377#ifdef EBCDIC
27da23d5 4378EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4379 1, 2, 84, 151, 154, 155, 156, 157,
4380 165, 246, 250, 3, 158, 7, 18, 29,
4381 40, 51, 62, 73, 85, 96, 107, 118,
4382 129, 140, 147, 148, 149, 150, 152, 153,
4383 255, 6, 8, 9, 10, 11, 12, 13,
4384 14, 15, 24, 25, 26, 27, 28, 226,
4385 29, 30, 31, 32, 33, 43, 44, 45,
4386 46, 47, 48, 49, 50, 76, 77, 78,
4387 79, 80, 81, 82, 83, 84, 85, 86,
4388 87, 94, 95, 234, 181, 233, 187, 190,
4389 180, 96, 97, 98, 99, 100, 101, 102,
4390 104, 112, 182, 174, 236, 232, 229, 103,
4391 228, 226, 114, 115, 116, 117, 118, 119,
4392 120, 121, 122, 235, 176, 230, 194, 162,
4393 130, 131, 132, 133, 134, 135, 136, 137,
4394 138, 139, 201, 205, 163, 217, 220, 224,
4395 5, 248, 227, 244, 242, 255, 241, 231,
4396 240, 253, 16, 197, 19, 20, 21, 187,
4397 23, 169, 210, 245, 237, 249, 247, 239,
4398 168, 252, 34, 196, 36, 37, 38, 39,
4399 41, 42, 251, 254, 238, 223, 221, 213,
4400 225, 177, 52, 53, 54, 55, 56, 57,
4401 58, 59, 60, 61, 63, 64, 65, 66,
4402 67, 68, 69, 70, 71, 72, 74, 75,
4403 205, 208, 186, 202, 200, 218, 198, 179,
4404 178, 214, 88, 89, 90, 91, 92, 93,
4405 217, 166, 170, 207, 199, 209, 206, 204,
4406 160, 212, 105, 106, 108, 109, 110, 111,
4407 203, 113, 216, 215, 192, 175, 193, 243,
4408 172, 161, 123, 124, 125, 126, 127, 128,
4409 222, 219, 211, 195, 188, 193, 185, 184,
4410 191, 183, 141, 142, 143, 144, 145, 146
4411};
4412#else /* ascii rather than ebcdic */
22c35a8c 4413EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4414 1, 2, 84, 151, 154, 155, 156, 157,
4415 165, 246, 250, 3, 158, 7, 18, 29,
4416 40, 51, 62, 73, 85, 96, 107, 118,
4417 129, 140, 147, 148, 149, 150, 152, 153,
4418 255, 182, 224, 205, 174, 176, 180, 217,
4419 233, 232, 236, 187, 235, 228, 234, 226,
4420 222, 219, 211, 195, 188, 193, 185, 184,
4421 191, 183, 201, 229, 181, 220, 194, 162,
4422 163, 208, 186, 202, 200, 218, 198, 179,
4423 178, 214, 166, 170, 207, 199, 209, 206,
4424 204, 160, 212, 216, 215, 192, 175, 173,
4425 243, 172, 161, 190, 203, 189, 164, 230,
4426 167, 248, 227, 244, 242, 255, 241, 231,
4427 240, 253, 169, 210, 245, 237, 249, 247,
4428 239, 168, 252, 251, 254, 238, 223, 221,
4429 213, 225, 177, 197, 171, 196, 159, 4,
4430 5, 6, 8, 9, 10, 11, 12, 13,
4431 14, 15, 16, 17, 19, 20, 21, 22,
4432 23, 24, 25, 26, 27, 28, 30, 31,
4433 32, 33, 34, 35, 36, 37, 38, 39,
4434 41, 42, 43, 44, 45, 46, 47, 48,
4435 49, 50, 52, 53, 54, 55, 56, 57,
4436 58, 59, 60, 61, 63, 64, 65, 66,
4437 67, 68, 69, 70, 71, 72, 74, 75,
4438 76, 77, 78, 79, 80, 81, 82, 83,
4439 86, 87, 88, 89, 90, 91, 92, 93,
4440 94, 95, 97, 98, 99, 100, 101, 102,
4441 103, 104, 105, 106, 108, 109, 110, 111,
4442 112, 113, 114, 115, 116, 117, 119, 120,
4443 121, 122, 123, 124, 125, 126, 127, 128,
4444 130, 131, 132, 133, 134, 135, 136, 137,
4445 138, 139, 141, 142, 143, 144, 145, 146
4446};
9d116dd7 4447#endif
79072805 4448#else
22c35a8c 4449EXTCONST unsigned char PL_freq[];
79072805
LW		 4450#endif
4451
b0812ba3
DM		 4452/* Although only used for debugging, these constants must be available in
4453 * non-debugging builds too, since they're used in ext/re/re_exec.c,
4454 * which has DEBUGGING enabled always */
8990e307 4455#ifdef DOINIT
27da23d5 4456EXTCONST char* const PL_block_type[] = {
8990e307 4457 "NULL",
d01136d6 4458 "WHEN",
8990e307 4459 "BLOCK",
0d863452 4460 "GIVEN",
d01136d6
BS		 4461 "LOOP_FOR",
4462 "LOOP_PLAIN",
4463 "LOOP_LAZYSV",
4464 "LOOP_LAZYIV",
76753e7f
NC		 4465 "SUB",
4466 "FORMAT",
4467 "EVAL",
4468 "SUBST"
8990e307
LW		 4469};
4470#else
22c35a8c 4471EXTCONST char* PL_block_type[];
8990e307 4472#endif
8990e307 4473
b75885fd
NC		 4474/* These are all the compile time options that affect binary compatibility.
4475 Other compile time options that are binary compatible are in perl.c
4476 Both are combined for the output of perl -V
4477 However, this string will be embedded in any shared perl library, which will
4478 allow us add a comparison check in perlmain.c in the near future. */
4479#ifdef DOINIT
4480EXTCONST char PL_bincompat_options[] =
4481# ifdef DEBUG_LEAKING_SCALARS
4482 " DEBUG_LEAKING_SCALARS"
4483# endif
4484# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4485 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4486# endif
eba804b9
NC		 4487# ifdef FCRYPT
4488 " FCRYPT"
4489# endif
4490# ifdef HAS_TIMES
4491 " HAS_TIMES"
4492# endif
4493# ifdef HAVE_INTERP_INTERN
426f6eb2 4494 " HAVE_INTERP_INTERN"
eba804b9 4495# endif
b75885fd
NC		 4496# ifdef MULTIPLICITY
4497 " MULTIPLICITY"
4498# endif
4499# ifdef MYMALLOC
4500 " MYMALLOC"
4501# endif
eba804b9
NC		 4502# ifdef PERLIO_LAYERS
4503 " PERLIO_LAYERS"
4504# endif
b75885fd
NC		 4505# ifdef PERL_DEBUG_READONLY_OPS
4506 " PERL_DEBUG_READONLY_OPS"
4507# endif
4508# ifdef PERL_GLOBAL_STRUCT
4509 " PERL_GLOBAL_STRUCT"
4510# endif
4511# ifdef PERL_IMPLICIT_CONTEXT
4512 " PERL_IMPLICIT_CONTEXT"
4513# endif
4514# ifdef PERL_IMPLICIT_SYS
4515 " PERL_IMPLICIT_SYS"
4516# endif
4517# ifdef PERL_MAD
4518 " PERL_MAD"
4519# endif
eba804b9
NC		 4520# ifdef PERL_MICRO
4521 " PERL_MICRO"
4522# endif
b75885fd
NC		 4523# ifdef PERL_NEED_APPCTX
4524 " PERL_NEED_APPCTX"
4525# endif
4526# ifdef PERL_NEED_TIMESBASE
4527 " PERL_NEED_TIMESBASE"
4528# endif
4529# ifdef PERL_OLD_COPY_ON_WRITE
4530 " PERL_OLD_COPY_ON_WRITE"
4531# endif
4532# ifdef PERL_POISON
4533 " PERL_POISON"
4534# endif
5b50f57e
FC		 4535# ifdef PERL_SAWAMPERSAND
4536 " PERL_SAWAMPERSAND"
4537# endif
b75885fd
NC		 4538# ifdef PERL_TRACK_MEMPOOL
4539 " PERL_TRACK_MEMPOOL"
4540# endif
4541# ifdef PERL_USES_PL_PIDSTATUS
4542 " PERL_USES_PL_PIDSTATUS"
4543# endif
b75885fd
NC		 4544# ifdef USE_64_BIT_ALL
4545 " USE_64_BIT_ALL"
4546# endif
4547# ifdef USE_64_BIT_INT
4548 " USE_64_BIT_INT"
4549# endif
c7b392fa
NC		 4550# ifdef USE_IEEE
4551 " USE_IEEE"
4552# endif
b75885fd
NC		 4553# ifdef USE_ITHREADS
4554 " USE_ITHREADS"
4555# endif
4556# ifdef USE_LARGE_FILES
4557 " USE_LARGE_FILES"
4558# endif
eba804b9
NC		 4559# ifdef USE_LOCALE_COLLATE
4560 " USE_LOCALE_COLLATE"
4561# endif
4562# ifdef USE_LOCALE_NUMERIC
4563 " USE_LOCALE_NUMERIC"
4564# endif
b75885fd
NC		 4565# ifdef USE_LONG_DOUBLE
4566 " USE_LONG_DOUBLE"
4567# endif
4568# ifdef USE_PERLIO
4569 " USE_PERLIO"
4570# endif
4571# ifdef USE_REENTRANT_API
4572 " USE_REENTRANT_API"
4573# endif
4574# ifdef USE_SFIO
4575 " USE_SFIO"
4576# endif
4577# ifdef USE_SOCKS
4578 " USE_SOCKS"
4579# endif
4f575702
CB		 4580# ifdef VMS_DO_SOCKETS
4581 " VMS_DO_SOCKETS"
4f575702 4582# endif
e8b231c6
CB		 4583# ifdef VMS_SHORTEN_LONG_SYMBOLS
4584 " VMS_SHORTEN_LONG_SYMBOLS"
4585# endif
ad5e438d
NC		 4586# ifdef VMS_WE_ARE_CASE_SENSITIVE
4587 " VMS_SYMBOL_CASE_AS_IS"
4588# endif
a68dd89e 4589 "";
b75885fd
NC		 4590#else
4591EXTCONST char PL_bincompat_options[];
4592#endif
4593
ca7b837b
SM		 4594#ifndef PERL_SET_PHASE
4595# define PERL_SET_PHASE(new_phase) \
cb3f8189 4596 PHASE_CHANGE_PROBE(PL_phase_names[new_phase], PL_phase_names[PL_phase]); \
ca7b837b
SM		 4597 PL_phase = new_phase;
4598#endif
4599
9ebf26ad
FR		 4600/* The interpreter phases. If these ever change, PL_phase_names right below will
4601 * need to be updated accordingly. */
4602enum perl_phase {
4603 PERL_PHASE_CONSTRUCT = 0,
4604 PERL_PHASE_START = 1,
4605 PERL_PHASE_CHECK = 2,
4606 PERL_PHASE_INIT = 3,
4607 PERL_PHASE_RUN = 4,
4608 PERL_PHASE_END = 5,
4609 PERL_PHASE_DESTRUCT = 6
4610};
4611
4612#ifdef DOINIT
4613EXTCONST char *const PL_phase_names[] = {
4614 "CONSTRUCT",
4615 "START",
4616 "CHECK",
4617 "INIT",
4618 "RUN",
4619 "END",
4620 "DESTRUCT"
4621};
4622#else
4623EXTCONST char *const PL_phase_names[];
4624#endif
4625
627364f1
FR		 4626#ifndef PERL_CORE
4627/* Do not use this macro. It only exists for extensions that rely on PL_dirty
4628 * instead of using the newer PL_phase, which provides everything PL_dirty
4629 * provided, and more. */
4630# define PL_dirty (PL_phase == PERL_PHASE_DESTRUCT)
66978156
FC		 4631
4632# define PL_amagic_generation PL_na
627364f1
FR		 4633#endif /* !PERL_CORE */
4634
823ac2c8
FC		 4635#define PL_hints PL_compiling.cop_hints
4636
73c4f7a1
GS		 4637END_EXTERN_C
4638
79072805
LW		 4639/*****************************************************************************/
4640/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4641/*****************************************************************************/
8990e307 4642/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4643
d4c3c482 4644#ifdef __Lynx__
9cffb111
OS		 4645/* LynxOS defines these in scsi.h which is included via ioctl.h */
4646#ifdef FORMAT
4647#undef FORMAT
4648#endif
4649#ifdef SPACE
4650#undef SPACE
4651#endif
d4c3c482 4652#endif
9cffb111 4653
fb73857a 4654#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4655
79072805
LW		 4656typedef enum {
4657 XOPERATOR,
4658 XTERM,
79072805 4659 XREF,
8990e307 4660 XSTATE,
a0d0e21e 4661 XBLOCK,
09bef843
SB		 4662 XATTRBLOCK,
4663 XATTRTERM,
6f33ba73 4664 XTERMBLOCK,
89f35911 4665 XPOSTDEREF,
6f33ba73 4666 XTERMORDORDOR /* evil hack */
27308ded 4667 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4668} expectation;
4669
d5ec2987
NC		 4670/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4671 special and there is no need for HINT_PRIVATE_MASK for COPs
4672 However, bitops store HINT_INTEGER in their op_private. */
9cfe5470
RGS		 4673#define HINT_INTEGER 0x00000001 /* integer pragma */
4674#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4675#define HINT_LOCALE 0x00000004 /* locale pragma */
4676#define HINT_BYTES 0x00000008 /* bytes pragma */
66cbab2c 4677#define HINT_LOCALE_NOT_CHARS 0x00000010 /* locale ':not_characters' pragma */
894ea76b
FC		 4678
4679#define HINT_EXPLICIT_STRICT_REFS 0x00000020 /* strict.pm */
4680#define HINT_EXPLICIT_STRICT_SUBS 0x00000040 /* strict.pm */
4681#define HINT_EXPLICIT_STRICT_VARS 0x00000080 /* strict.pm */
85e6fe83
LW		 4682
4683#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4684#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4685#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
1863b879 4686#define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */
85e6fe83 4687
9cfe5470 4688/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4689#define HINT_NEW_INTEGER 0x00001000
4690#define HINT_NEW_FLOAT 0x00002000
4691#define HINT_NEW_BINARY 0x00004000
4692#define HINT_NEW_STRING 0x00008000
4693#define HINT_NEW_RE 0x00010000
4694#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 4695#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4696#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 4697
9cfe5470
RGS		 4698#define HINT_RE_TAINT 0x00100000 /* re pragma */
4699#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4700
9cfe5470
RGS		 4701#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4702#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4703
e46c382e
YK		 4704#define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
4705
1e215989
FC		 4706#define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */
4707
a803b9b4
FC		 4708#define HINT_FEATURE_MASK 0x1c000000 /* 3 bits for feature bundles */
4709
894ea76b
FC		 4710 /* Note: Used for NATIVE_HINTS, currently
4711 defined by vms/vmsish.h:
4712 0x40000000
4713 0x80000000
4714 */
d1718a7c 4715
0239f47c 4716/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4717#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4718#define HINT_SORT_QUICKSORT 0x00000001
4719#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4720#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4721
d3b97530
DM		 4722/* flags for PL_sawampersand */
4723
4724#define SAWAMPERSAND_LEFT 1 /* saw $` */
4725#define SAWAMPERSAND_MIDDLE 2 /* saw $& */
4726#define SAWAMPERSAND_RIGHT 4 /* saw $' */
4727
1a904fc8
FC		 4728#ifndef PERL_SAWAMPERSAND
4729# define PL_sawampersand \
4730 (SAWAMPERSAND_LEFT|SAWAMPERSAND_MIDDLE|SAWAMPERSAND_RIGHT)
4731#endif
4732
8bfdd7d9 4733/* Various states of the input record separator SV (rs) */
d4cce5f1 4734#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4735#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4736#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4737#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4738
128e8167 4739/* A struct for keeping various DEBUGGING related stuff,
ce333219 4740 * neatly packed. Currently only scratch variables for
128e8167
JH		 4741 * constructing debug output are included. Needed always,
4742 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4743struct perl_debug_pad {
4744 SV pad[3];
4745};
4746
4747#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4748#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4749 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4750 PERL_DEBUG_PAD(i))
ce333219 4751
56953603 4752/* Enable variables which are pointers to functions */
16c91539
BM		 4753typedef void (*peep_t)(pTHX_ OP* o);
4754typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm);
4755typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg,
0cb96387
GS		 4756 char* strend, char* strbeg, I32 minend,
4757 SV* screamer, void* data, U32 flags);
16c91539 4758typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv,
f722798b
IZ		 4759 char *strpos, char *strend,
4760 U32 flags,
9f61653a 4761 re_scream_pos_data *d);
16c91539
BM		 4762typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog);
4763typedef void (*regfree_t) (pTHX_ struct regexp* r);
4764typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param);
a932d541 4765typedef I32 (*re_fold_t)(const char *, char const *, I32);
56953603 4766
c76ac1ee 4767typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc 4768typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
f30de749 4769typedef void (*SVFUNC_t) (pTHX_ SV* const);
31e9e0a3 4770typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
acfe0abc
GS		 4771typedef void (*XSINIT_t) (pTHX);
4772typedef void (*ATEXIT_t) (pTHX_ void*);
4773typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4774
16c91539
BM		 4775typedef OP* (*Perl_ppaddr_t)(pTHX);
4776typedef OP* (*Perl_check_t) (pTHX_ OP*);
4777typedef void(*Perl_ophook_t)(pTHX_ OP*);
4778typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**);
1830b3d9 4779typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *);
88e1f1a2 4780
d67594ff
FC		 4781typedef void(*globhook_t)(pTHX);
4782
88e1f1a2
JV		 4783#define KEYWORD_PLUGIN_DECLINE 0
4784#define KEYWORD_PLUGIN_STMT 1
4785#define KEYWORD_PLUGIN_EXPR 2
22239a37 4786
58a50f62
GS		 4787/* Interpreter exitlist entry */
4788typedef struct exitlistentry {
acfe0abc 4789 void (*fn) (pTHX_ void*);
58a50f62
GS		 4790 void *ptr;
4791} PerlExitListEntry;
4792
aadb217d
JH		 4793/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4794/* These have to be before perlvars.h */
4795#if !defined(HAS_SIGACTION) && defined(VMS)
4796# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4797#endif
4798/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4799#if defined(KILL_BY_SIGPRC)
4800# define FAKE_DEFAULT_SIGNAL_HANDLERS
4801#endif
4802
8c1cc017
NC		 4803#if !defined(MULTIPLICITY)
4804
4805struct interpreter {
4806 char broiled;
22239a37
NIS		 4807};
4808
8c1cc017 4809#else
22239a37 4810
d460ef45 4811/* If we have multiple interpreters define a struct
d4cce5f1 4812 holding variables which must be per-interpreter
d460ef45 4813 If we don't have threads anything that would have
d4cce5f1
NIS		 4814 be per-thread is per-interpreter.
4815*/
4816
8c1cc017 4817/* Set up PERLVAR macros for populating structs */
115ff745 4818# define PERLVAR(prefix,var,type) type prefix##var;
eb42f199
KW		 4819
4820/* 'var' is an array of length 'n' */
115ff745 4821# define PERLVARA(prefix,var,n,type) type prefix##var[n];
eb42f199
KW		 4822
4823/* initialize 'var' to init' */
115ff745 4824# define PERLVARI(prefix,var,type,init) type prefix##var;
eb42f199
KW		 4825
4826/* like PERLVARI, but make 'var' a const */
115ff745 4827# define PERLVARIC(prefix,var,type,init) type prefix##var;
8c1cc017 4828
79072805 4829struct interpreter {
7766f137 4830# include "intrpvar.h"
49f531da 4831};
d4cce5f1 4832
724cf8d6
NC		 4833EXTCONST U16 PL_interp_size
4834 INIT(sizeof(struct interpreter));
4835
4836# define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \
4837 STRUCT_OFFSET(struct interpreter, member) + \
4838 sizeof(((struct interpreter*)0)->member)
4839
4840/* This will be useful for subsequent releases, because this has to be the
4841 same in your libperl as in main(), else you have a mismatch and must abort.
4842*/
d399cf59
NC		 4843EXTCONST U16 PL_interp_size_5_18_0
4844 INIT(PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_18_0_INTERP_MEMBER));
724cf8d6
NC		 4845
4846
8c1cc017
NC		 4847# ifdef PERL_GLOBAL_STRUCT
4848/* MULTIPLICITY is automatically defined when PERL_GLOBAL_STRUCT is defined,
4849 hence it's safe and sane to nest this within #ifdef MULTIPLICITY */
4850
4851struct perl_vars {
4852# include "perlvars.h"
49f531da 4853};
8c1cc017 4854
724cf8d6
NC		 4855EXTCONST U16 PL_global_struct_size
4856 INIT(sizeof(struct perl_vars));
4857
8c1cc017
NC		 4858# ifdef PERL_CORE
4859# ifndef PERL_GLOBAL_STRUCT_PRIVATE
4860EXT struct perl_vars PL_Vars;
4861EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
4862# undef PERL_GET_VARS
4863# define PERL_GET_VARS() PL_VarsPtr
4864# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
4865# else /* PERL_CORE */
4866# if !defined(__GNUC__) || !defined(WIN32)
4867EXT
4868# endif /* WIN32 */
4869struct perl_vars *PL_VarsPtr;
4870# define PL_Vars (*((PL_VarsPtr) \
4871 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
4872# endif /* PERL_CORE */
4873# endif /* PERL_GLOBAL_STRUCT */
79072805 4874
22239a37 4875/* Done with PERLVAR macros for now ... */
8c1cc017
NC		 4876# undef PERLVAR
4877# undef PERLVARA
4878# undef PERLVARI
4879# undef PERLVARIC
8c1cc017
NC		 4880
4881#endif /* MULTIPLICITY */
79072805 4882
f7fe979e 4883struct tempsym; /* defined in pp_pack.c */
49704364 4884
22239a37 4885#include "thread.h"
79072805 4886#include "pp.h"
864dbfa3
GS		 4887
4888#ifndef PERL_CALLCONV
a0c21aa1
JH		 4889# ifdef __cplusplus
4890# define PERL_CALLCONV extern "C"
4891# else
4892# define PERL_CALLCONV
4893# endif
d460ef45 4894#endif
12a2785c
DD		 4895#ifndef PERL_CALLCONV_NO_RET
4896# define PERL_CALLCONV_NO_RET PERL_CALLCONV
4897#endif
4898
98c015b7
DD		 4899/* PERL_STATIC_NO_RET is supposed to be equivalent to STATIC on builds that
4900 dont have a noreturn as a declaration specifier
4901*/
4902#ifndef PERL_STATIC_NO_RET
4903# define PERL_STATIC_NO_RET STATIC
4904#endif
4905/* PERL_STATIC_NO_RET is supposed to be equivalent to PERL_STATIC_INLINE on
4906 builds that dont have a noreturn as a declaration specifier
4907*/
4908#ifndef PERL_STATIC_INLINE_NO_RET
4909# define PERL_STATIC_INLINE_NO_RET PERL_STATIC_INLINE
4910#endif
4911
4912
0cb96387
GS		 4913#undef PERL_CKDEF
4914#undef PERL_PPDEF
0159f81b
JH		 4915#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
4916#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 4917
158cfab6
JD		 4918#ifdef MYMALLOC
4919# include "malloc_ctl.h"
4920#endif
4921
7766f137 4922#include "proto.h"
864dbfa3 4923
0cb96387 4924/* this has structure inits, so it cannot be included before here */
acfe0abc 4925#include "opcode.h"
864dbfa3 4926
d4cce5f1
NIS		 4927/* The following must follow proto.h as #defines mess up syntax */
4928
22c35a8c
GS		 4929#if !defined(PERL_FOR_X2P)
4930# include "embedvar.h"
4931#endif
598921a7
NC		 4932#ifndef PERL_MAD
4933# undef PL_madskills
4934# undef PL_xmlfp
4935# define PL_madskills 0
4936# define PL_xmlfp 0
4937#endif
d4cce5f1 4938
d460ef45 4939/* Now include all the 'global' variables
d4cce5f1 4940 * If we don't have threads or multiple interpreters
d460ef45 4941 * these include variables that would have been their struct-s
d4cce5f1 4942 */
d460ef45 4943
115ff745
NC		 4944#define PERLVAR(prefix,var,type) EXT type PL_##var;
4945#define PERLVARA(prefix,var,n,type) EXT type PL_##var[n];
4946#define PERLVARI(prefix,var,type,init) EXT type PL_##var INIT(init);
4947#define PERLVARIC(prefix,var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 4948
acfe0abc 4949#if !defined(MULTIPLICITY)
7766f137 4950START_EXTERN_C
066ef5b5 4951# include "intrpvar.h"
7766f137 4952END_EXTERN_C
22239a37
NIS		 4953#endif
4954
24792b8d
NC		 4955#ifdef PERL_CORE
4956/* All core uses now exterminated. Ensure no zombies can return: */
4957# undef PL_na
4958#endif
4959
f9293c5b
NC		 4960/* Now all the config stuff is setup we can include embed.h
4961 In particular, need the relevant *ish file included already, as it may
4962 define HAVE_INTERP_INTERN */
4963#include "embed.h"
4964#ifndef PERL_MAD
4965# undef op_getmad
4966# define op_getmad(arg,pegop,slot) NOOP
acfe0abc 4967#endif
22239a37 4968
c5be433b
GS		 4969#ifndef PERL_GLOBAL_STRUCT
4970START_EXTERN_C
4971
4972# include "perlvars.h"
4973
4974END_EXTERN_C
4975#endif
4976
d4cce5f1 4977#undef PERLVAR
51371543 4978#undef PERLVARA
d4cce5f1 4979#undef PERLVARI
0f3f18a6 4980#undef PERLVARIC
79072805 4981
73c4f7a1
GS		 4982START_EXTERN_C
4983
af2f0da9
NC		 4984/* dummy variables that hold pointers to both runops functions, thus forcing
4985 * them *both* to get linked in (useful for Peek.xs, debugging etc) */
4986
4987EXTCONST runops_proc_t PL_runops_std
4988 INIT(Perl_runops_standard);
4989EXTCONST runops_proc_t PL_runops_dbg
4990 INIT(Perl_runops_debug);
4991
bc028b6b
JH		 4992/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
4993 * magic vtables const, but this is incompatible with SWIG which
4994 * does want to modify the vtables. */
4995#ifdef PERL_GLOBAL_STRUCT_PRIVATE
4996# define EXT_MGVTBL EXTCONST MGVTBL
4997#else
4998# define EXT_MGVTBL EXT MGVTBL
4999#endif
5000
82ff486e 5001#define PERL_MAGIC_READONLY_ACCEPTABLE 0x40
e0a73de4
NC		 5002#define PERL_MAGIC_VALUE_MAGIC 0x80
5003#define PERL_MAGIC_VTABLE_MASK 0x3F
82ff486e
NC		 5004#define PERL_MAGIC_TYPE_READONLY_ACCEPTABLE(t) \
5005 (PL_magic_data[(U8)(t)] & PERL_MAGIC_READONLY_ACCEPTABLE)
e0a73de4
NC		 5006#define PERL_MAGIC_TYPE_IS_VALUE_MAGIC(t) \
5007 (PL_magic_data[(U8)(t)] & PERL_MAGIC_VALUE_MAGIC)
5008
8b09643d 5009#include "mg_vtable.h"
6f83ef0e
NC		 5010
5011#ifdef DOINIT
5012EXTCONST U8 PL_magic_data[256] =
dde5ec2c
NC		 5013# ifdef PERL_MICRO
5014# include "umg_data.h"
5015# else
5016# include "mg_data.h"
5017# endif
6f83ef0e
NC		 5018;
5019#else
5020EXTCONST U8 PL_magic_data[256];
5021#endif
5022
f1fb8741 5023#ifdef DOINIT
e94d9b54 5024 /* NL IV NV PV INV PI PN MG RX GV LV AV HV CV FM IO */
f1fb8741 5025EXTCONST bool
e94d9b54 5026PL_valid_types_IVX[] = { 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
f1fb8741 5027EXTCONST bool
e94d9b54 5028PL_valid_types_NVX[] = { 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
f1fb8741 5029EXTCONST bool
d361b004 5030PL_valid_types_PVX[] = { 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1 };
f1fb8741 5031EXTCONST bool
e94d9b54 5032PL_valid_types_RV[] = { 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1 };
f1fb8741 5033EXTCONST bool
e94d9b54 5034PL_valid_types_IV_set[] = { 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1 };
f1fb8741 5035EXTCONST bool
e94d9b54 5036PL_valid_types_NV_set[] = { 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 };
f1fb8741
DM		 5037
5038#else
5039
5040EXTCONST bool PL_valid_types_IVX[];
5041EXTCONST bool PL_valid_types_NVX[];
5042EXTCONST bool PL_valid_types_PVX[];
5043EXTCONST bool PL_valid_types_RV[];
5044EXTCONST bool PL_valid_types_IV_set[];
5045EXTCONST bool PL_valid_types_NV_set[];
5046
5047#endif
5048
c7627e6d
NC		 5049#ifndef PERL_NO_INLINE_FUNCTIONS
5050/* Static inline funcs that depend on includes and declarations above.
5051 Some of these reference functions in the perl object files, and some
5052 compilers aren't smart enough to eliminate unused static inline
5053 functions, so including this file in source code can cause link errors
5054 even if the source code uses none of the functions. Hence including these
5055 can be be suppressed by setting PERL_NO_INLINE_FUNCTIONS. Doing this will
5056 (obviously) result in unworkable XS code, but allows simple probing code
5057 to continue to work, because it permits tests to include the perl headers
5058 for definitions without creating a link dependency on the perl library
5059 (which may not exist yet).
5060*/
5061
5062# include "inline.h"
5063#endif
f1fb8741 5064
bab3dc31 5065#include "overload.h"
a0d0e21e 5066
73c4f7a1
GS		 5067END_EXTERN_C
5068
a6006777 5069struct am_table {
8978b4ac
NC		 5070 U8 flags;
5071 U8 fallback;
5072 U16 spare;
eb160463 5073 U32 was_ok_sub;
9bd87817 5074 CV* table[NofAMmeth];
a0d0e21e 5075};
a6006777 5076struct am_table_short {
8978b4ac
NC		 5077 U8 flags;
5078 U8 fallback;
5079 U16 spare;
eb160463 5080 U32 was_ok_sub;
a6006777 5081};
a0d0e21e 5082typedef struct am_table AMT;
a6006777 5083typedef struct am_table_short AMTS;
a0d0e21e
LW		 5084
5085#define AMGfallNEVER 1
5086#define AMGfallNO 2
5087#define AMGfallYES 3
5088
a6006777 5089#define AMTf_AMAGIC 1
5090#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5091#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5092#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
5093
32251b26 5094#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5095
5096/*
5097 * some compilers like to redefine cos et alia as faster
5098 * (and less accurate?) versions called F_cos et cetera (Quidquid
5099 * latine dictum sit, altum viditur.) This trick collides with
5100 * the Perl overloading (amg). The following #defines fool both.
5101 */
5102
5103#ifdef _FASTMATH
5104# ifdef atan2
5105# define F_atan2_amg atan2_amg
5106# endif
5107# ifdef cos
5108# define F_cos_amg cos_amg
5109# endif
5110# ifdef exp
5111# define F_exp_amg exp_amg
5112# endif
5113# ifdef log
5114# define F_log_amg log_amg
5115# endif
5116# ifdef pow
5117# define F_pow_amg pow_amg
5118# endif
5119# ifdef sin
5120# define F_sin_amg sin_amg
5121# endif
5122# ifdef sqrt
5123# define F_sqrt_amg sqrt_amg
5124# endif
5125#endif /* _FASTMATH */
5126
83ee9e09
GS		 5127#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5128 PERLDBf_NOOPT | PERLDBf_INTER | \
5129 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
b8fcbefe
NC		 5130 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5131 PERLDBf_SAVESRC)
925cfbb8 5132 /* No _NONAME, _GOTO */
83ee9e09
GS		 5133#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5134#define PERLDBf_LINE 0x02 /* Keep line # */
5135#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5136#define PERLDBf_INTER 0x08 /* Preserve more data for
5137 later inspections */
5138#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5139#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5140#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5141#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5142#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5143#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
b8fcbefe 5144#define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
486ec47a 5145#define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */
c30d8139 5146#define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
84902520 5147
3280af22
NIS		 5148#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5149#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5150#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5151#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5152#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5153#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5154#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5155#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5156#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5157#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
b8fcbefe 5158#define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC))
c30d8139
NC		 5159#define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS))
5160#define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID))
bbce6d69 5161
36477c24 5162#ifdef USE_LOCALE_NUMERIC
bbce6d69 5163
36477c24 5164#define SET_NUMERIC_STANDARD() \
ff4fed7c 5165 set_numeric_standard();
36477c24 5166
5167#define SET_NUMERIC_LOCAL() \
ff4fed7c 5168 set_numeric_local();
bbce6d69 5169
66cbab2c
KW		 5170/* Returns non-zero If the plain locale pragma without a parameter is in effect
5171 */
a98fe34d 5172#define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE)
66cbab2c
KW		 5173
5174/* Returns non-zero If either form of the locale pragma is in effect */
5175#define IN_SOME_LOCALE_FORM_RUNTIME \
5176 (CopHINTS_get(PL_curcop) & (HINT_LOCALE|HINT_LOCALE_NOT_CHARS))
5177
2de3dbcc 5178#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
66cbab2c
KW		 5179#define IN_SOME_LOCALE_FORM_COMPILETIME \
5180 (PL_hints & (HINT_LOCALE|HINT_LOCALE_NOT_CHARS))
2de3dbcc
JH		 5181
5182#define IN_LOCALE \
923e4eb5 5183 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
66cbab2c
KW		 5184#define IN_SOME_LOCALE_FORM \
5185 (IN_PERL_COMPILETIME ? IN_SOME_LOCALE_FORM_COMPILETIME \
5186 : IN_SOME_LOCALE_FORM_RUNTIME)
2de3dbcc 5187
f93f4e46 5188#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 5189 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 5190 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 5191
5192#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 5193 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 5194 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 5195
5196#define RESTORE_NUMERIC_LOCAL() \
5197 if (was_local) SET_NUMERIC_LOCAL();
5198
5199#define RESTORE_NUMERIC_STANDARD() \
5200 if (was_standard) SET_NUMERIC_STANDARD();
5201
5b877257 5202#define Atof my_atof
097ee67d 5203
36477c24 5204#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5205
097ee67d
JH		 5206#define SET_NUMERIC_STANDARD() /**/
5207#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5208#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5209#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5210#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 5211#define RESTORE_NUMERIC_LOCAL() /**/
5212#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 5213#define Atof my_atof
ad3e0f90 5214#define IN_LOCALE_RUNTIME 0
d40eae8f 5215#define IN_LOCALE_COMPILETIME 0
bbce6d69 5216
36477c24 5217#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5218
85b76970
SH		 5219#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && \
5220 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
ec7b9793
JH		 5221# ifdef __hpux
5222# define strtoll __strtoll /* secret handshake */
5223# endif
c623ac67
GS		 5224# ifdef WIN64
5225# define strtoll _strtoi64 /* secret handshake */
5226# endif
079290de
GS		 5227# if !defined(Strtol) && defined(HAS_STRTOLL)
5228# define Strtol strtoll
ad551343 5229# endif
28e5dec8
JH		 5230# if !defined(Strtol) && defined(HAS_STRTOQ)
5231# define Strtol strtoq
5232# endif
ff935051 5233/* is there atoq() anywhere? */
15b99d39 5234#endif
079290de
GS		 5235#if !defined(Strtol) && defined(HAS_STRTOL)
5236# define Strtol strtol
5237#endif
5238#ifndef Atol
5239/* It would be more fashionable to use Strtol() to define atol()
5240 * (as is done for Atoul(), see below) but for backward compatibility
5241 * we just assume atol(). */
85b76970
SH		 5242# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && defined(HAS_ATOLL) && \
5243 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
c623ac67
GS		 5244# ifdef WIN64
5245# define atoll _atoi64 /* secret handshake */
5246# endif
76b882ba
JH		 5247# define Atol atoll
5248# else
5249# define Atol atol
5250# endif
cf2093f6
JH		 5251#endif
5252
85b76970
SH		 5253#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && \
5254 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
ec7b9793
JH		 5255# ifdef __hpux
5256# define strtoull __strtoull /* secret handshake */
5257# endif
c623ac67
GS		 5258# ifdef WIN64
5259# define strtoull _strtoui64 /* secret handshake */
5260# endif
ad551343 5261# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5262# define Strtoul strtoull
15b99d39 5263# endif
079290de
GS		 5264# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5265# define Strtoul strtouq
5266# endif
76d49b1c 5267/* is there atouq() anywhere? */
ad551343 5268#endif
079290de
GS		 5269#if !defined(Strtoul) && defined(HAS_STRTOUL)
5270# define Strtoul strtoul
cf2093f6 5271#endif
a5523c5b
JH		 5272#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5273# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5274#endif
079290de 5275#ifndef Atoul
d4c19fe8 5276# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5277#endif
cf2093f6 5278
760ac839 5279
06d86050
GS		 5280/* if these never got defined, they need defaults */
5281#ifndef PERL_SET_CONTEXT
5282# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5283#endif
5284
5285#ifndef PERL_GET_CONTEXT
5286# define PERL_GET_CONTEXT PERL_GET_INTERP
5287#endif
5288
5289#ifndef PERL_GET_THX
5290# define PERL_GET_THX ((void*)NULL)
5291#endif
5292
5293#ifndef PERL_SET_THX
5294# define PERL_SET_THX(t) NOOP
5295#endif
5296
a868473f
NIS		 5297#ifndef PERL_SCRIPT_MODE
5298#define PERL_SCRIPT_MODE "r"
5299#endif
5300
fba3b22e 5301/*
da927450
JH		 5302 * Some operating systems are stingy with stack allocation,
5303 * so perl may have to guard against stack overflow.
5304 */
5305#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5306#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5307#endif
5308
5309/*
5310 * Some nonpreemptive operating systems find it convenient to
5311 * check for asynchronous conditions after each op execution.
5312 * Keep this check simple, or it may slow down execution
5313 * massively.
5314 */
ce08f86c 5315
1d615522 5316#ifndef PERL_MICRO
4ffa73a3 5317# ifndef PERL_ASYNC_CHECK
16c91539 5318# define PERL_ASYNC_CHECK() if (PL_sig_pending) PL_signalhook(aTHX)
4ffa73a3 5319# endif
ce08f86c
NIS		 5320#endif
5321
da927450 5322#ifndef PERL_ASYNC_CHECK
1d615522 5323# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5324#endif
5325
5326/*
5327 * On some operating systems, a memory allocation may succeed,
5328 * but put the process too close to the system's comfort limit.
5329 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5330 * it to NULL.
5331 */
5332#ifndef PERL_ALLOC_CHECK
c2af87cb 5333#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5334#endif
5335
bd89102f
AD		 5336#ifdef HAS_SEM
5337# include <sys/ipc.h>
5338# include <sys/sem.h>
5339# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5340 union semun {
dbba660d
TC		 5341 int val;
5342 struct semid_ds *buf;
5343 unsigned short *array;
bd89102f
AD		 5344 };
5345# endif
5346# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5347# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5348 union gccbug_semun {
5349 int val;
5350 struct semid_ds *buf;
5351 unsigned short *array;
5352 char __dummy[5];
5353 };
5354# define semun gccbug_semun
5355# endif
bd89102f
AD		 5356# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5357# else
5358# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5359# ifdef EXTRA_F_IN_SEMUN_BUF
5360# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5361# else
5362# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5363# endif
bd89102f
AD		 5364# endif
5365# endif
bd89102f 5366#endif
49f531da 5367
89ca4ac7
JH		 5368/*
5369 * Boilerplate macros for initializing and accessing interpreter-local
5370 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 5371 * this, if you want to make the extension thread-safe. See
5372 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5373 * and perlxs.pod for more.
89ca4ac7
JH		 5374 *
5375 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5376 * 1. #define MY_CXT_KEY to a unique string, e.g.
5377 * "DynaLoader::_guts" XS_VERSION
f16dd614 5378 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5379 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5380 * all the data that needs to be interpreter-local.
5381 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5382 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5383 * (typically put in the BOOT: section).
5384 * 5. Use the members of the my_cxt_t structure everywhere as
5385 * MY_CXT.member.
5386 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5387 * access MY_CXT.
5388 */
5389
fc958cd2 5390#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 5391
4eddb856 5392/* START_MY_CXT must appear in all extensions that define a my_cxt_t structure,
53d44271
JH		 5393 * right after the definition (i.e. at file scope). The non-threads
5394 * case below uses it to declare the data as static. */
00ab59c9
DM		 5395# ifdef PERL_GLOBAL_STRUCT_PRIVATE
5396# define START_MY_CXT
5397# define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5398# define MY_CXT_INIT_ARG MY_CXT_KEY
5399# else
5400# define START_MY_CXT static int my_cxt_index = -1;
5401# define MY_CXT_INDEX my_cxt_index
5402# define MY_CXT_INIT_ARG &my_cxt_index
5403# endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
53d44271
JH		 5404
5405/* Creates and zeroes the per-interpreter data.
5406 * (We allocate my_cxtp in a Perl SV so that it will be released when
5407 * the interpreter goes away.) */
00ab59c9 5408# define MY_CXT_INIT \
53d44271 5409 my_cxt_t *my_cxtp = \
9f6df31a
Z		 5410 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
5411 PERL_UNUSED_VAR(my_cxtp)
00ab59c9 5412# define MY_CXT_INIT_INTERP(my_perl) \
53d44271 5413 my_cxt_t *my_cxtp = \
9f6df31a
Z		 5414 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
5415 PERL_UNUSED_VAR(my_cxtp)
53d44271
JH		 5416
5417/* This declaration should be used within all functions that use the
5418 * interpreter-local data. */
00ab59c9 5419# define dMY_CXT \
53d44271 5420 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
00ab59c9 5421# define dMY_CXT_INTERP(my_perl) \
53d44271
JH		 5422 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5423
5424/* Clones the per-interpreter data. */
00ab59c9 5425# define MY_CXT_CLONE \
53d44271
JH		 5426 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5427 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5428 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5429
53d44271 5430
89ca4ac7 5431/* This macro must be used to access members of the my_cxt_t structure.
870598ae 5432 * e.g. MY_CXT.some_data */
00ab59c9 5433# define MY_CXT (*my_cxtp)
89ca4ac7
JH		 5434
5435/* Judicious use of these macros can reduce the number of times dMY_CXT
5436 * is used. Use is similar to pTHX, aTHX etc. */
00ab59c9
DM		 5437# define pMY_CXT my_cxt_t *my_cxtp
5438# define pMY_CXT_ pMY_CXT,
5439# define _pMY_CXT ,pMY_CXT
5440# define aMY_CXT my_cxtp
5441# define aMY_CXT_ aMY_CXT,
5442# define _aMY_CXT ,aMY_CXT
89ca4ac7 5443
f16dd614 5444#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7 5445
00ab59c9
DM		 5446# define START_MY_CXT static my_cxt_t my_cxt;
5447# define dMY_CXT_SV dNOOP
5448# define dMY_CXT dNOOP
5449# define dMY_CXT_INTERP(my_perl) dNOOP
5450# define MY_CXT_INIT NOOP
5451# define MY_CXT_CLONE NOOP
5452# define MY_CXT my_cxt
5453
5454# define pMY_CXT void
5455# define pMY_CXT_
5456# define _pMY_CXT
5457# define aMY_CXT
5458# define aMY_CXT_
5459# define _aMY_CXT
89ca4ac7 5460
f16dd614 5461#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5462
9a34ef1d
GS		 5463#ifdef I_FCNTL
5464# include <fcntl.h>
9a34ef1d
GS		 5465#endif
5466
9cffb111
OS		 5467#ifdef __Lynx__
5468# include <fcntl.h>
5469#endif
5470
9a34ef1d
GS		 5471#ifdef I_SYS_FILE
5472# include <sys/file.h>
5473#endif
5474
fa0a29af 5475#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5476int flock(int fd, int op);
5477#endif
5478
fe52b3b7
GS		 5479#ifndef O_RDONLY
5480/* Assume UNIX defaults */
5481# define O_RDONLY 0000
5482# define O_WRONLY 0001
5483# define O_RDWR 0002
5484# define O_CREAT 0100
5485#endif
9a34ef1d 5486
16fe6d59
GS		 5487#ifndef O_BINARY
5488# define O_BINARY 0
5489#endif
5490
5491#ifndef O_TEXT
5492# define O_TEXT 0
5493#endif
5494
6ce75a77
JH		 5495#if O_TEXT != O_BINARY
5496 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5497 * that is, you are somehow DOSish. */
b6c36746
NC		 5498# if defined(__HAIKU__) || defined(__VOS__) || defined(__CYGWIN__)
5499 /* Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5500 * Haiku is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5501 /* VOS has O_TEXT != O_BINARY, and they have effect,
5502 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5503 /* If you have O_TEXT different from your O_BINARY but you still are
5504 * not a CRLF shop. */
35990314 5505# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5506# else
5507 /* If you really are DOSish. */
5508# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5509# endif
5510#endif
5511
4bc88a62
PS		 5512#ifdef I_LIBUTIL
5513# include <libutil.h> /* setproctitle() in some FreeBSDs */
5514#endif
5515
b4748376 5516#ifndef EXEC_ARGV_CAST
360ea906 5517#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 5518#endif
5519
dd5dc04f
JH		 5520#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5521 int). value returned in pointed-
5522 to UV */
5523#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5524#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5525#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5526#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5527#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5528
5529#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5530
53305cf1
NC		 5531/* Input flags: */
5532#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5533#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5534#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
02470786
KW		 5535#define PERL_SCAN_SILENT_NON_PORTABLE 0x08 /* grok_??? not warn about very large
5536 numbers which are <= UV_MAX */
53305cf1
NC		 5537/* Output flags: */
5538#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5539
2c4f7f0e
DM		 5540/* to let user control profiling */
5541#ifdef PERL_GPROF_CONTROL
5542extern void moncontrol(int);
5543#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5544#else
5545#define PERL_GPROF_MONCONTROL(x)
5546#endif
5547
ae0e3d3b
JH		 5548#ifdef UNDER_CE
5549#include "wince.h"
5550#endif
5551
5552/* ISO 6429 NEL - C1 control NExt Line */
5553/* See http://www.unicode.org/unicode/reports/tr13/ */
ec34087a 5554#define NEXT_LINE_CHAR NEXT_LINE_NATIVE
ae0e3d3b
JH		 5555
5556/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5557#define UNICODE_LINE_SEPA_0 0xE2
5558#define UNICODE_LINE_SEPA_1 0x80
5559#define UNICODE_LINE_SEPA_2 0xA8
5560#define UNICODE_PARA_SEPA_0 0xE2
5561#define UNICODE_PARA_SEPA_1 0x80
5562#define UNICODE_PARA_SEPA_2 0xA9
5563
479b2847
GS		 5564#ifndef PIPESOCK_MODE
5565# define PIPESOCK_MODE
5566#endif
5567
460c8493
IZ		 5568#ifndef SOCKET_OPEN_MODE
5569# define SOCKET_OPEN_MODE PIPESOCK_MODE
5570#endif
5571
5572#ifndef PIPE_OPEN_MODE
5573# define PIPE_OPEN_MODE PIPESOCK_MODE
5574#endif
5575
7e8c5dac
HS		 5576#define PERL_MAGIC_UTF8_CACHESIZE 2
5577
a05d7ebb
JH		 5578#define PERL_UNICODE_STDIN_FLAG 0x0001
5579#define PERL_UNICODE_STDOUT_FLAG 0x0002
5580#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5581#define PERL_UNICODE_IN_FLAG 0x0008
5582#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5583#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5584#define PERL_UNICODE_LOCALE_FLAG 0x0040
5585#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 5586#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 5587
06e66572
JH		 5588#define PERL_UNICODE_STD_FLAG \
5589 (PERL_UNICODE_STDIN_FLAG | \
5590 PERL_UNICODE_STDOUT_FLAG | \
5591 PERL_UNICODE_STDERR_FLAG)
5592
5593#define PERL_UNICODE_INOUT_FLAG \
5594 (PERL_UNICODE_IN_FLAG | \
5595 PERL_UNICODE_OUT_FLAG)
5596
5597#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5598 (PERL_UNICODE_STD_FLAG | \
5599 PERL_UNICODE_INOUT_FLAG | \
5600 PERL_UNICODE_LOCALE_FLAG)
5601
5a22a2bb 5602#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 5603
5604#define PERL_UNICODE_STDIN 'I'
5605#define PERL_UNICODE_STDOUT 'O'
5606#define PERL_UNICODE_STDERR 'E'
5607#define PERL_UNICODE_STD 'S'
5608#define PERL_UNICODE_IN 'i'
5609#define PERL_UNICODE_OUT 'o'
5610#define PERL_UNICODE_INOUT 'D'
5611#define PERL_UNICODE_ARGV 'A'
5612#define PERL_UNICODE_LOCALE 'L'
5613#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 5614#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 5615
4ffa73a3
JH		 5616#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5617
32fdb065 5618/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5619 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5620#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5621
3c0f78ca
JH		 5622#if defined(__DECC) && defined(__osf__)
5623#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 5624#endif
5625
e4dba786
NC		 5626#define do_open(g, n, l, a, rm, rp, sf) \
5627 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 5628#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 5629# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 5630#endif
15871fce
NC		 5631#ifdef OS2
5632# define do_aexec Perl_do_aexec
5633#else
5634# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 5635#endif
e4dba786 5636
c8028aa6
TC		 5637/* check embedded \0 characters in pathnames passed to syscalls,
5638 but allow one ending \0 */
41188aa0 5639#define IS_SAFE_SYSCALL(p, len, what, op_name) (S_is_safe_syscall(aTHX_ (p), (len), (what), (op_name)))
c8028aa6 5640
41188aa0 5641#define IS_SAFE_PATHNAME(p, len, op_name) IS_SAFE_SYSCALL((p), (len), "pathname", (op_name))
c8028aa6 5642
2f3efc97
JH		 5643#if defined(OEMVS)
5644#define NO_ENV_ARRAY_IN_MAIN
5645#endif
5646
00f254e2
KW		 5647/* These are used by Perl_pv_escape() and Perl_pv_pretty()
5648 * are here so that they are available throughout the core
10edeb5d
JH		 5649 * NOTE that even though some are for _escape and some for _pretty
5650 * there must not be any clashes as the flags from _pretty are
5651 * passed straight through to _escape.
5652 */
5653
5654#define PERL_PV_ESCAPE_QUOTE 0x0001
5655#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
5656
95b611b0 5657#define PERL_PV_PRETTY_ELLIPSES 0x0002
10edeb5d
JH		 5658#define PERL_PV_PRETTY_LTGT 0x0004
5659
5660#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
5661
00f254e2 5662#define PERL_PV_ESCAPE_UNI 0x0100
10edeb5d 5663#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
681f01c2 5664#define PERL_PV_ESCAPE_NONASCII 0x0400
10edeb5d
JH		 5665
5666#define PERL_PV_ESCAPE_ALL 0x1000
5667#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
5668#define PERL_PV_ESCAPE_NOCLEAR 0x4000
44a2ac75 5669#define PERL_PV_ESCAPE_RE 0x8000
10edeb5d 5670
881a015e
NC		 5671#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
5672
10edeb5d 5673/* used by pv_display in dump.c*/
95b611b0 5674#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
c89df6cf 5675#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII
10edeb5d
JH		 5676
5677/*
5678
5679 (KEEP THIS LAST IN perl.h!)
5680
5681 Mention
d460ef45 5682
43999f95 5683 NV_PRESERVES_UV
fe749a9f 5684
fe749a9f
JH		 5685 HAS_MKSTEMP
5686 HAS_MKSTEMPS
5687 HAS_MKDTEMP
5688
49dabb45
JH		 5689 HAS_GETCWD
5690
d59b5429 5691 HAS_MMAP
fe749a9f
JH		 5692 HAS_MPROTECT
5693 HAS_MSYNC
1e8c3fde 5694 HAS_MADVISE
fe749a9f
JH		 5695 HAS_MUNMAP
5696 I_SYSMMAN
5697 Mmap_t
5698
6b4667fc
A		 5699 NVef
5700 NVff
5701 NVgf
5702
4e0554ec 5703 HAS_UALARM
2d736872 5704 HAS_USLEEP
4e0554ec
JH		 5705
5706 HAS_SETITIMER
5707 HAS_GETITIMER
5708
5709 HAS_SENDMSG
5710 HAS_RECVMSG
5711 HAS_READV
5712 HAS_WRITEV
5713 I_SYSUIO
5714 HAS_STRUCT_MSGHDR
5715 HAS_STRUCT_CMSGHDR
5716
2765b840 5717 HAS_NL_LANGINFO
0a7020c9 5718
ae0e3d3b 5719 HAS_DIRFD
2765b840 5720
10edeb5d 5721 so that Configure picks them up.
ab3bbdeb 5722
10edeb5d 5723 (KEEP THIS LAST IN perl.h!)
3df15adc 5724
10edeb5d 5725*/
3df15adc 5726
85e6fe83 5727#endif /* Include guard */
e9a8c099
MHM		 5728
5729/*
5730 * Local variables:
5731 * c-indentation-style: bsd
5732 * c-basic-offset: 4
14d04a33 5733 * indent-tabs-mode: nil
e9a8c099
MHM		 5734 * End:
5735 *
14d04a33 5736 * ex: set ts=8 sts=4 sw=4 et:
e9a8c099 5737 */
Unnamed repository; edit this file 'description' to name the repository.