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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
611cf957 28# include "config.h"
12ae5dfc 29#endif
0cb96387 30
2c2d71f5
JH		 31/* See L<perlguts/"The Perl API"> for detailed notes on
32 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
33
ac6bedea
JH		 34/* Note that from here --> to <-- the same logic is
35 * repeated in makedef.pl, so be certain to update
36 * both places when editing. */
37
6f4183fe 38#ifdef USE_ITHREADS
acfe0abc 39# if !defined(MULTIPLICITY)
6f4183fe
GS		 40# define MULTIPLICITY
41# endif
42#endif
43
27da23d5
JH		 44#ifdef PERL_GLOBAL_STRUCT_PRIVATE
45# ifndef PERL_GLOBAL_STRUCT
46# define PERL_GLOBAL_STRUCT
47# endif
48#endif
97aff369 49
27da23d5
JH		 50#ifdef PERL_GLOBAL_STRUCT
51# ifndef MULTIPLICITY
52# define MULTIPLICITY
53# endif
54#endif
55
97aff369
JH		 56#ifdef MULTIPLICITY
57# ifndef PERL_IMPLICIT_CONTEXT
58# define PERL_IMPLICIT_CONTEXT
59# endif
60#endif
61
026fd48b
GH		 62/* undef WIN32 when building on Cygwin (for libwin32) - gph */
63#ifdef __CYGWIN__
64# undef WIN32
65# undef _WIN32
66#endif
67
27da23d5
JH		 68#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
69# ifndef SYMBIAN
70# define SYMBIAN
71# endif
72#endif
73
a0fd4948 74#ifdef __SYMBIAN32__
27da23d5
JH		 75# include "symbian/symbian_proto.h"
76#endif
77
78/* Any stack-challenged places. The limit varies (and often
79 * is configurable), but using more than a kilobyte of stack
80 * is usually dubious in these systems. */
739a0b84
NC		 81#if defined(__SYMBIAN32__)
82/* Symbian: need to work around the SDK features. *
27da23d5
JH		 83 * On WINS: MS VC5 generates calls to _chkstk, *
84 * if a "large" stack frame is allocated. *
85 * gcc on MARM does not generate calls like these. */
86# define USE_HEAP_INSTEAD_OF_STACK
87#endif
88
dd134d2c 89/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 90/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 91#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 92# define USE_REENTRANT_API
93#endif
94
ac6bedea
JH		 95/* <--- here ends the logic shared by perl.h and makedef.pl */
96
9ea40801
SH		 97/* Microsoft Visual C++ 6.0 needs special treatment in numerous places */
98#if defined(WIN32) && defined(_MSC_VER) && _MSC_VER >= 1200 && _MSC_VER < 1300
99# define USING_MSVC6
100#endif
101
cf5a8da6
MHM		 102#undef START_EXTERN_C
103#undef END_EXTERN_C
104#undef EXTERN_C
105#ifdef __cplusplus
106# define START_EXTERN_C extern "C" {
107# define END_EXTERN_C }
108# define EXTERN_C extern "C"
109#else
110# define START_EXTERN_C
111# define END_EXTERN_C
112# define EXTERN_C extern
113#endif
114
17a6c8e3
AD		 115/* Fallback definitions in case we don't have definitions from config.h.
116 This should only matter for systems that don't use Configure and
117 haven't been modified to define PERL_STATIC_INLINE yet.
118*/
119#if !defined(PERL_STATIC_INLINE)
120# ifdef HAS_STATIC_INLINE
121# define PERL_STATIC_INLINE static inline
122# else
123# define PERL_STATIC_INLINE static
124# endif
125#endif
126
27da23d5
JH		 127#ifdef PERL_GLOBAL_STRUCT
128# ifndef PERL_GET_VARS
129# ifdef PERL_GLOBAL_STRUCT_PRIVATE
cf5a8da6 130 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
27da23d5
JH		 131# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
132# ifndef PERLIO_FUNCS_CONST
133# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
134# endif
135# else
136# define PERL_GET_VARS() PL_VarsPtr
137# endif
138# endif
139#endif
140
5aaab254 141#define pVAR struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH		 142
143#ifdef PERL_GLOBAL_STRUCT
144# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
145#else
146# define dVAR dNOOP
147#endif
148
c5be433b 149#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 150# ifndef MULTIPLICITY
151# define MULTIPLICITY
c5be433b 152# endif
e8dda941 153# define tTHX PerlInterpreter*
5aaab254 154# define pTHX tTHX my_perl PERL_UNUSED_DECL
3db8f154 155# define aTHX my_perl
9399a70c 156# define aTHXa(a) aTHX = (tTHX)a
27da23d5 157# ifdef PERL_GLOBAL_STRUCT
e8dda941 158# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 159# else
e8dda941 160# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH		 161# endif
162# ifdef PERL_GLOBAL_STRUCT
163# define dTHX dVAR; pTHX = PERL_GET_THX
164# else
165# define dTHX pTHX = PERL_GET_THX
166# endif
c5be433b 167# define pTHX_ pTHX,
c5be433b 168# define aTHX_ aTHX,
4373e329 169# define pTHX_1 2
894356b3
GS		 170# define pTHX_2 3
171# define pTHX_3 4
172# define pTHX_4 5
4373e329
AL		 173# define pTHX_5 6
174# define pTHX_6 7
a3b680e6
AL		 175# define pTHX_7 8
176# define pTHX_8 9
177# define pTHX_9 10
e8dda941
JD		 178# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
179# define PERL_TRACK_MEMPOOL
180# endif
181#else
182# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 183#endif
184
76e3520e 185#define STATIC static
16c91539
BM		 186
187#ifndef PERL_CORE
188/* Do not use these macros. They were part of PERL_OBJECT, which was an
189 * implementation of multiplicity using C++ objects. They have been left
190 * here solely for the sake of XS code which has incorrectly
191 * cargo-culted them.
192 */
76e3520e 193#define CPERLscope(x) x
565764a8 194#define CPERLarg void
76e3520e 195#define CPERLarg_
e3b8966e 196#define _CPERLarg
1d583055
GS		 197#define PERL_OBJECT_THIS
198#define _PERL_OBJECT_THIS
199#define PERL_OBJECT_THIS_
312caa8e 200#define CALL_FPTR(fptr) (*fptr)
ef69c8fc 201#define MEMBER_TO_FPTR(name) name
16c91539 202#endif /* !PERL_CORE */
76e3520e 203
16c91539 204#define CALLRUNOPS PL_runops
f9f4320a 205
3ab4a224 206#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 207
16c91539 208#define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
a340edde 209#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,sv,data,flags) \
16c91539 210 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
a340edde 211 (strbeg),(minend),(sv),(data),(flags))
52a21eb3
DM		 212#define CALLREG_INTUIT_START(prog,sv,strbeg,strpos,strend,flags,data) \
213 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strbeg), (strpos), \
f9f4320a
YO		 214 (strend),(flags),(data))
215#define CALLREG_INTUIT_STRING(prog) \
16c91539 216 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
f8149455 217
f8149455
YO		 218#define CALLREGFREE(prog) \
219 Perl_pregfree(aTHX_ (prog))
220
221#define CALLREGFREE_PVT(prog) \
16c91539 222 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
f8149455 223
2fdbfb4d 224#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
16c91539 225 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
93b32b6d 226
2fdbfb4d 227#define CALLREG_NUMBUF_STORE(rx,paren,value) \
16c91539 228 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
2fdbfb4d
AB		 229
230#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
16c91539 231 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
2fdbfb4d 232
192b9cd1 233#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
16c91539 234 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
192b9cd1
AB		 235
236#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
16c91539 237 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
192b9cd1
AB		 238
239#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
16c91539 240 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB		 241
242#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
16c91539 243 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB		 244
245#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
16c91539 246 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB		 247
248#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
16c91539 249 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB		 250
251#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
16c91539 252 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB		 253
254#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
16c91539 255 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
AB		 256
257#define CALLREG_NAMED_BUFF_COUNT(rx) \
16c91539 258 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
192b9cd1
AB		 259
260#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
16c91539 261 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 262
49d7dfbc 263#define CALLREG_PACKAGE(rx) \
16c91539 264 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
93b32b6d 265
00f254e2 266#if defined(USE_ITHREADS)
f9f4320a 267#define CALLREGDUPE(prog,param) \
f8149455
YO		 268 Perl_re_dup(aTHX_ (prog),(param))
269
270#define CALLREGDUPE_PVT(prog,param) \
16c91539 271 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
00f254e2 272 : (REGEXP *)NULL)
f9f4320a 273#endif
14dd3ad8 274
a20207d7 275
bcdf7404 276
a20207d7
YO		 277
278
5ba4cab2
SH		 279/*
280 * Because of backward compatibility reasons the PERL_UNUSED_DECL
281 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
282 *
283 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 284 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 285 * marking unused variables (they need e.g. a #pragma) and therefore
286 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
287 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
288 *
289 */
1266ad8c 290
9969cdde 291#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 292# ifdef __cplusplus
5ba4cab2 293# define PERL_UNUSED_DECL
5b2bd0a5 294# else
5ba4cab2 295# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 296# endif
297#endif
44dbb695 298
5b2bd0a5 299#ifndef PERL_UNUSED_DECL
34659ad4 300# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 301# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 302# else
5ba4cab2 303# define PERL_UNUSED_DECL
b79c357a 304# endif
5b2bd0a5 305#endif
00f254e2 306
349b520e
DM		 307/* gcc -Wall:
308 * for silencing unused variables that are actually used most of the time,
a0288114 309 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 310 */
53c1dcc0 311#ifndef PERL_UNUSED_ARG
c99ffe5e 312# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 313# include <note.h>
53c1dcc0 314# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 315# else
53c1dcc0 316# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 317# endif
318#endif
53c1dcc0
AL		 319#ifndef PERL_UNUSED_VAR
320# define PERL_UNUSED_VAR(x) ((void)x)
321#endif
ad73156c 322
96a5add6
AL		 323#ifdef USE_ITHREADS
324# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
325#else
326# define PERL_UNUSED_CONTEXT
327#endif
328
b56aac20
DM		 329/* on gcc (and clang), specify that a warning should be temporarily
330 * ignored; e.g.
331 *
332 * GCC_DIAG_IGNORE(-Wmultichar);
333 * char b = 'ab';
334 * GCC_DIAG_RESTORE;
335 *
336 * based on http://dbp-consulting.com/tutorials/SuppressingGCCWarnings.html
337 *
338 * Note that "pragma GCC diagnostic push/pop" was added in GCC 4.6, Mar 2011;
339 * clang only pretends to be GCC 4.2, but still supports push/pop.
340 */
341
342#if defined(__clang) || \
d28ce8b4 343 (defined( __GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406)
b56aac20
DM		 344# define GCC_DIAG_DO_PRAGMA_(x) _Pragma (#x)
345
346# define GCC_DIAG_IGNORE(x) _Pragma("GCC diagnostic push") \
347 GCC_DIAG_DO_PRAGMA_(GCC diagnostic ignored #x)
348# define GCC_DIAG_RESTORE _Pragma("GCC diagnostic pop")
349#else
350# define GCC_DIAG_IGNORE(w)
351# define GCC_DIAG_RESTORE
352#endif
353
354
6f207bd3 355#define NOOP /*EMPTY*/(void)0
bafdc25d
NC		 356/* cea2e8a9dd23747f accidentally lost the comment originally from the first
357 check in of thread.h, explaining why we need dNOOP at all: */
358/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
359/* Declaring a *function*, instead of a variable, ensures that we don't rely
360 on being able to suppress "unused" warnings. */
7db66e12
CB		 361#ifdef __cplusplus
362#define dNOOP (void)0
363#else
64a8239e 364#define dNOOP extern int Perl___notused(void)
7db66e12 365#endif
71be2cbc 366
0cb96387 367#ifndef pTHX
a78adc84 368/* Don't bother defining tTHX ; using it outside
e8dda941
JD		 369 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
370 */
0cb96387
GS		 371# define pTHX void
372# define pTHX_
0cb96387
GS		 373# define aTHX
374# define aTHX_
9399a70c 375# define aTHXa(a) NOOP
0cb96387
GS		 376# define dTHXa(a) dNOOP
377# define dTHX dNOOP
894356b3
GS		 378# define pTHX_1 1
379# define pTHX_2 2
380# define pTHX_3 3
381# define pTHX_4 4
3d42dc86
RGS		 382# define pTHX_5 5
383# define pTHX_6 6
a3b680e6
AL		 384# define pTHX_7 7
385# define pTHX_8 8
386# define pTHX_9 9
0cb96387
GS		 387#endif
388
27da23d5
JH		 389#ifndef dVAR
390# define dVAR dNOOP
391#endif
392
b4f7f263
GS		 393/* these are only defined for compatibility; should not be used internally */
394#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 395# define pTHXo pTHX
396# define pTHXo_ pTHX_
0cb96387
GS		 397# define aTHXo aTHX
398# define aTHXo_ aTHX_
c5be433b 399# define dTHXo dTHX
71d280e3 400# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 401#endif
402
403#ifndef pTHXx
5aaab254 404# define pTHXx PerlInterpreter *my_perl
0cb96387 405# define pTHXx_ pTHXx,
0cb96387
GS		 406# define aTHXx my_perl
407# define aTHXx_ aTHXx,
c5be433b 408# define dTHXx dTHX
22c35a8c 409#endif
71be2cbc 410
1de7c2ac
GS		 411/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
412 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
413 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
414#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 415# ifdef PERL_GLOBAL_STRUCT_PRIVATE
416# define dTHXs dVAR; dTHX
417# else
418# define dTHXs dTHX
419# endif
1de7c2ac 420#else
27da23d5
JH		 421# ifdef PERL_GLOBAL_STRUCT_PRIVATE
422# define dTHXs dVAR
423# else
424# define dTHXs dNOOP
425# endif
1de7c2ac
GS		 426#endif
427
27da23d5
JH		 428/* Some platforms require marking function declarations
429 * for them to be exportable. Used in perlio.h, proto.h
430 * is handled either by the makedef.pl or by defining the
431 * PERL_CALLCONV to be something special. See also the
432 * definition of XS() in XSUB.h. */
433#ifndef PERL_EXPORT_C
a0c21aa1
JH		 434# ifdef __cplusplus
435# define PERL_EXPORT_C extern "C"
436# else
437# define PERL_EXPORT_C extern
438# endif
27da23d5
JH		 439#endif
440#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 441# ifdef __cplusplus
442# define PERL_XS_EXPORT_C extern "C"
443# else
444# define PERL_XS_EXPORT_C
445# endif
27da23d5
JH		 446#endif
447
e5afc1ae 448/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 449 * g++ allows them but seems to have problems with them
70aab261
RB		 450 * (insane errors ensue).
451 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
452 */
453#if defined(PERL_GCC_PEDANTIC) || \
454 (defined(__GNUC__) && defined(__cplusplus) && \
455 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 456# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 457# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
458# endif
5dc8bdac
JH		 459#endif
460
5b692037
JH		 461#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
462# ifndef PERL_USE_GCC_BRACE_GROUPS
463# define PERL_USE_GCC_BRACE_GROUPS
464# endif
465#endif
466
728e2803 467/*
468 * STMT_START { statements; } STMT_END;
469 * can be used as a single statement, as in
470 * if (x) STMT_START { ... } STMT_END; else ...
471 *
472 * Trying to select a version that gives no warnings...
473 */
474#if !(defined(STMT_START) && defined(STMT_END))
5b692037 475# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 476# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 477# define STMT_END )
478# else
728e2803 479# define STMT_START do
480# define STMT_END while (0)
728e2803 481# endif
482#endif
483
d6f9c181
JH		 484#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
485# define BYTEORDER 0x1234
79072805
LW		 486#endif
487
488/* Overall memory policy? */
489#ifndef CONSERVATIVE
490# define LIBERAL 1
491#endif
492
8ada0baa
JH		 493#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
494#define ASCIIish
495#else
496#undef ASCIIish
497#endif
498
79072805
LW		 499/*
500 * The following contortions are brought to you on behalf of all the
501 * standards, semi-standards, de facto standards, not-so-de-facto standards
502 * of the world, as well as all the other botches anyone ever thought of.
503 * The basic theory is that if we work hard enough here, the rest of the
504 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
505 */
ac58e20f 506
ee0007ab 507/* define this once if either system, instead of cluttering up the src */
7c458fae 508#if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 509#define DOSISH 1
510#endif
511
739a0b84 512#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 513# define STANDARD_C 1
514#endif
515
8d87852b 516#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 517# define DONT_DECLARE_STD 1
518#endif
519
352d5a3a 520#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 521# define VOL volatile
663a0e37 522#else
79072805 523# define VOL
663a0e37
LW		 524#endif
525
284167a5
S		 526/* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
527 * you get a perl without taint support, but doubtlessly with a lesser
528 * degree of support. Do not do so unless you know exactly what it means
529 * technically, have a good reason to do so, and know exactly how the
530 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
531 * a potential security risk due to flat out ignoring the security-relevant
532 * taint flags. This being said, a perl without taint support compiled in
533 * has marginal run-time performance benefits.
534 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
535 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
536 * silently ignores -t/-T instead of throwing an exception.
053a3618
S		 537 *
538 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
6ecb40c7 539 * voids your nonexistent warranty!
284167a5 540 */
dc6d7f5c 541#if defined(SILENT_NO_TAINT_SUPPORT) && !defined(NO_TAINT_SUPPORT)
284167a5
S		 542# define NO_TAINT_SUPPORT 1
543#endif
544
545/* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
546 * operations into no-ops for a very modest speed-up. Enable only if you
547 * know what you're doing: tests and CPAN modules' tests are bound to fail.
548 */
dc6d7f5c 549#ifdef NO_TAINT_SUPPORT
284167a5
S		 550# define TAINT NOOP
551# define TAINT_NOT NOOP
552# define TAINT_IF(c) NOOP
553# define TAINT_ENV() NOOP
554# define TAINT_PROPER(s) NOOP
555# define TAINT_set(s) NOOP
556# define TAINT_get 0
557# define TAINTING_get 0
558# define TAINTING_set(s) NOOP
559# define TAINT_WARN_get 0
560# define TAINT_WARN_set(s) NOOP
561#else
562# define TAINT (PL_tainted = TRUE)
563# define TAINT_NOT (PL_tainted = FALSE)
2439e033
S		 564# define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = TRUE; }
565# define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); }
566# define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); }
284167a5
S		 567# define TAINT_set(s) (PL_tainted = (s))
568# define TAINT_get (PL_tainted)
569# define TAINTING_get (PL_tainting)
570# define TAINTING_set(s) (PL_tainting = (s))
571# define TAINT_WARN_get (PL_taint_warn)
572# define TAINT_WARN_set(s) (PL_taint_warn = (s))
573#endif
a687059c 574
20be6587
DM		 575/* flags used internally only within pp_subst and pp_substcont */
576#ifdef PERL_CORE
577# define SUBST_TAINT_STR 1 /* string tainted */
578# define SUBST_TAINT_PAT 2 /* pattern tainted */
579# define SUBST_TAINT_REPL 4 /* replacement tainted */
580# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
581# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
582#endif
583
d460ef45 584/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 585 defines move there? If so, I could simplify this a lot. --AD 9/96.
586*/
587/* Process group stuff changed from traditional BSD to POSIX.
588 perlfunc.pod documents the traditional BSD-style syntax, so we'll
589 try to preserve that, if possible.
590*/
591#ifdef HAS_SETPGID
592# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 593#else
a6e633de 594# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
595# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
596# else
597# ifdef HAS_SETPGRP2 /* DG/UX */
598# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
599# endif
600# endif
601#endif
602#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
603# define HAS_SETPGRP /* Well, effectively it does . . . */
604#endif
605
606/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
607 our life easier :-) so we'll try it.
608*/
609#ifdef HAS_GETPGID
610# define BSD_GETPGRP(pid) getpgid((pid))
611#else
612# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
613# define BSD_GETPGRP(pid) getpgrp((pid))
614# else
615# ifdef HAS_GETPGRP2 /* DG/UX */
616# define BSD_GETPGRP(pid) getpgrp2((pid))
617# endif
618# endif
619#endif
620#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
621# define HAS_GETPGRP /* Well, effectively it does . . . */
622#endif
623
d460ef45 624/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 625 have different behaviors, but perl.h used to define USE_BSDPGRP
626 (prior to 5.003_05) so some extension might depend on it.
627*/
628#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
629# ifndef USE_BSDPGRP
630# define USE_BSDPGRP
631# endif
663a0e37
LW		 632#endif
633
486ec47a 634/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH		 635 pthread.h must be included before all other header files.
636*/
3db8f154 637#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 638# include <pthread.h>
639#endif
640
58ab9e8b 641#include <sys/types.h>
663a0e37 642
760ac839
LW		 643#ifdef __cplusplus
644# ifndef I_STDARG
645# define I_STDARG 1
646# endif
647#endif
648
649#ifdef I_STDARG
650# include <stdarg.h>
651#else
652# ifdef I_VARARGS
653# include <varargs.h>
654# endif
655#endif
656
4633a7c4 657#ifdef USE_NEXT_CTYPE
0c30d9ec 658
092bebab
JH		 659#if NX_CURRENT_COMPILER_RELEASE >= 500
660# include <bsd/ctypes.h>
661#else
662# if NX_CURRENT_COMPILER_RELEASE >= 400
663# include <objc/NXCType.h>
664# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
665# include <appkit/NXCType.h>
666# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
667#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 668
669#else /* !USE_NEXT_CTYPE */
fe14fcc3 670#include <ctype.h>
0c30d9ec 671#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 672
673#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
674#undef METHOD
a0d0e21e
LW		 675#endif
676
12ae5dfc
JH		 677#ifdef PERL_MICRO
678# define NO_LOCALE
679#endif
680
4633a7c4 681#ifdef I_LOCALE
36477c24 682# include <locale.h>
4633a7c4
LW		 683#endif
684
36477c24 685#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
686# define USE_LOCALE
ccd65d51
KW		 687# define HAS_SKIP_LOCALE_INIT /* Solely for XS code to test for this
688 capability */
36477c24 689# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
690 && defined(HAS_STRXFRM)
691# define USE_LOCALE_COLLATE
692# endif
693# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
694# define USE_LOCALE_CTYPE
695# endif
696# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
697# define USE_LOCALE_NUMERIC
698# endif
fa9b773e
KW		 699# if !defined(NO_LOCALE_MESSAGES) && defined(LC_MESSAGES)
700# define USE_LOCALE_MESSAGES
701# endif
702# if !defined(NO_LOCALE_MONETARY) && defined(LC_MONETARY)
703# define USE_LOCALE_MONETARY
704# endif
36477c24 705#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 706
fe14fcc3 707#include <setjmp.h>
79072805 708
a0d0e21e 709#ifdef I_SYS_PARAM
79072805
LW		 710# ifdef PARAM_NEEDS_TYPES
711# include <sys/types.h>
712# endif
713# include <sys/param.h>
352d5a3a 714#endif
79072805 715
ce3470dc
AD		 716/* On BSD-derived systems, <sys/param.h> defines BSD to a year-month
717 value something like 199306. This may be useful if no more-specific
718 feature test is available.
719*/
720#if defined(BSD)
721# ifndef BSDish
722# define BSDish
723# endif
724#endif
725
79072805 726/* Use all the "standard" definitions? */
a0d0e21e 727#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 728# include <stdlib.h>
ff68c719 729#endif
03a14243 730
3f270f98
JH		 731/* If this causes problems, set i_unistd=undef in the hint file. */
732#ifdef I_UNISTD
733# include <unistd.h>
734#endif
735
de8ca8af
NT		 736/* for WCOREDUMP */
737#ifdef I_SYS_WAIT
738# include <sys/wait.h>
739#endif
740
9969cdde 741#ifdef __SYMBIAN32__
27da23d5
JH		 742# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
743#endif
744
21e89b5f 745#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO)
c45598c5 746EXTERN_C int syscall(int, ...);
2ef53570
JH		 747#endif
748
21e89b5f 749#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO)
c45598c5 750EXTERN_C int usleep(unsigned int);
2ef53570
JH		 751#endif
752
1109a392
MHM		 753#ifdef PERL_CORE
754
755/* macros for correct constant construction */
756# if INTSIZE >= 2
757# define U16_CONST(x) ((U16)x##U)
758# else
759# define U16_CONST(x) ((U16)x##UL)
760# endif
761
762# if INTSIZE >= 4
763# define U32_CONST(x) ((U32)x##U)
764# else
765# define U32_CONST(x) ((U32)x##UL)
766# endif
767
768# ifdef HAS_QUAD
769# if INTSIZE >= 8
770# define U64_CONST(x) ((U64)x##U)
771# elif LONGSIZE >= 8
772# define U64_CONST(x) ((U64)x##UL)
773# elif QUADKIND == QUAD_IS_LONG_LONG
774# define U64_CONST(x) ((U64)x##ULL)
52865553
SH		 775# elif QUADKIND == QUAD_IS___INT64
776# define U64_CONST(x) ((U64)x##UI64)
1109a392
MHM		 777# else /* best guess we can make */
778# define U64_CONST(x) ((U64)x##UL)
779# endif
780# endif
781
782/* byte-swapping functions for big-/little-endian conversion */
783# define _swab_16_(x) ((U16)( \
784 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
785 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
786
787# define _swab_32_(x) ((U32)( \
788 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
789 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
790 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
791 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
792
793# ifdef HAS_QUAD
794# define _swab_64_(x) ((U64)( \
795 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
796 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
797 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
798 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
799 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
800 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
801 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
802 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
803# endif
804
9c17f24a
NC		 805/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
806 at least on FreeBSD. YMMV, so experiment. */
807#ifndef PERL_ARENA_SIZE
808#define PERL_ARENA_SIZE 4080
809#endif
810
ccb2c8b8 811/* Maximum level of recursion */
2b9dff67
RGS		 812#ifndef PERL_SUB_DEPTH_WARN
813#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 814#endif
815
1109a392
MHM		 816#endif /* PERL_CORE */
817
bdf3085f
NC		 818/* We no longer default to creating a new SV for GvSV.
819 Do this before embed. */
820#ifndef PERL_CREATE_GVSV
7459f06b
NC		 821# ifndef PERL_DONT_CREATE_GVSV
822# define PERL_DONT_CREATE_GVSV
823# endif
bdf3085f
NC		 824#endif
825
ca0c25f6
NC		 826#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
827#define PERL_USES_PL_PIDSTATUS
828#endif
829
739a0b84 830#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
a62746fa
RGS		 831#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
832#endif
833
c31fac66
GS		 834#define MEM_SIZE Size_t
835
1936d2a7
NC		 836/* Round all values passed to malloc up, by default to a multiple of
837 sizeof(size_t)
838*/
839#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
840#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
841#endif
842
f1200559
WH		 843/* sv_grow() will expand strings by at least a certain percentage of
844 the previously *used* length to avoid excessive calls to realloc().
845 The default is 25% of the current length.
846*/
847#ifndef PERL_STRLEN_EXPAND_SHIFT
848# define PERL_STRLEN_EXPAND_SHIFT 2
849#endif
850
51371543
GS		 851#if defined(STANDARD_C) && defined(I_STDDEF)
852# include <stddef.h>
853# define STRUCT_OFFSET(s,m) offsetof(s,m)
854#else
855# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
856#endif
857
9969cdde 858#ifndef __SYMBIAN32__
27da23d5
JH		 859# if defined(I_STRING) || defined(__cplusplus)
860# include <string.h>
861# else
862# include <strings.h>
863# endif
51371543
GS		 864#endif
865
55497cff 866/* This comes after <stdlib.h> so we don't try to change the standard
867 * library prototypes; we'll use our own in proto.h instead. */
03a14243 868
4633a7c4 869#ifdef MYMALLOC
86058a2d 870# ifdef PERL_POLLUTE_MALLOC
ee13e175 871# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 872# define Perl_malloc malloc
873# define Perl_calloc calloc
874# define Perl_realloc realloc
875# define Perl_mfree free
ee13e175 876# endif
86058a2d
GS		 877# else
878# define EMBEDMYMALLOC /* for compatibility */
879# endif
827e134a 880
651b9576
GS		 881# define safemalloc Perl_malloc
882# define safecalloc Perl_calloc
883# define saferealloc Perl_realloc
884# define safefree Perl_mfree
22f7c9c9
JH		 885# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
886 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
887 code; \
888 } STMT_END
889# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
890 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
891# define panic_write2(s) write(2, s, strlen(s))
892# define CHECK_MALLOC_TAINT(newval) \
893 CHECK_MALLOC_TOO_LATE_FOR_( \
894 if (newval) { \
895 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
896 exit(1); })
22f7c9c9 897# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 898 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 899 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
900 }} STMT_END;
f2517201
GS		 901#else /* MYMALLOC */
902# define safemalloc safesysmalloc
903# define safecalloc safesyscalloc
904# define saferealloc safesysrealloc
905# define safefree safesysfree
22f7c9c9
JH		 906# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
907# define CHECK_MALLOC_TAINT(newval) ((void)0)
908# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 909#endif /* MYMALLOC */
4633a7c4 910
fe13d51d 911/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 912#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		 913#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
914#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
915#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
916
a0d0e21e
LW		 917#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
918#define strchr index
919#define strrchr rindex
920#endif
921
16d20bd9
AD		 922#ifdef I_MEMORY
923# include <memory.h>
924#endif
925
fe14fcc3 926#ifdef HAS_MEMCPY
85e6fe83 927# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 928# ifndef memcpy
20ce7b12 929 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 930# endif
931# endif
932#else
933# ifndef memcpy
934# ifdef HAS_BCOPY
935# define memcpy(d,s,l) bcopy(s,d,l)
936# else
937# define memcpy(d,s,l) my_bcopy(s,d,l)
938# endif
939# endif
940#endif /* HAS_MEMCPY */
fe14fcc3 941
ee0007ab 942#ifdef HAS_MEMSET
85e6fe83 943# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 944# ifndef memset
20ce7b12 945 extern char *memset (char*, int, int);
ee0007ab
LW		 946# endif
947# endif
ee0007ab 948#else
12ae5dfc 949# undef memset
fc36a67e 950# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 951#endif /* HAS_MEMSET */
952
85e6fe83 953#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 954# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 955# define memmove(d,s,l) bcopy(s,d,l)
956# else
2304df62 957# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 958# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 959# else
79072805 960# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 961# endif
352d5a3a 962# endif
d9d8d8de 963#endif
ee0007ab 964
36477c24 965#if defined(mips) && defined(ultrix) && !defined(__STDC__)
966# undef HAS_MEMCMP
967#endif
968
969#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 970# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 971# ifndef memcmp
20ce7b12 972 extern int memcmp (char*, char*, int);
ee0007ab
LW		 973# endif
974# endif
975#else
976# ifndef memcmp
ecfc5424 977# define memcmp my_memcmp
352d5a3a 978# endif
36477c24 979#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 980
fc36a67e 981#ifndef memzero
c635e13b 982# ifdef HAS_MEMSET
983# define memzero(d,l) memset(d,0,l)
79072805 984# else
c635e13b 985# ifdef HAS_BZERO
986# define memzero(d,l) bzero(d,l)
79072805 987# else
fc36a67e 988# define memzero(d,l) my_bzero(d,l)
79072805
LW		 989# endif
990# endif
d9d8d8de 991#endif
378cc40b 992
2f42fcb0 993#ifndef PERL_MICRO
0f27ced1
JH		 994#ifndef memchr
995# ifndef HAS_MEMCHR
996# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
997# endif
998#endif
2f42fcb0 999#endif
0f27ced1 1000
36477c24 1001#ifndef HAS_BCMP
1002# ifndef bcmp
1003# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1004# endif
36477c24 1005#endif /* !HAS_BCMP */
378cc40b 1006
ae986130 1007#ifdef I_NETINET_IN
79072805 1008# include <netinet/in.h>
ae986130
LW		 1009#endif
1010
28e8609d
JH		 1011#ifdef I_ARPA_INET
1012# include <arpa/inet.h>
1013#endif
1014
1aef975c 1015#ifdef I_SYS_STAT
84902520 1016# include <sys/stat.h>
1aef975c 1017#endif
79072805 1018
287a962e
JD		 1019/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1020 This definition should ideally go into win32/win32.h, but S_IFIFO is
1021 used later here in perl.h before win32/win32.h is being included. */
1022#if !defined(S_IFIFO) && defined(_S_IFIFO)
1023# define S_IFIFO _S_IFIFO
1024#endif
1025
cc3315ba 1026/* The stat macros for Unisoft System V/88 (and derivatives
a0d0e21e
LW		 1027 like UTekV) are broken, sometimes giving false positives. Undefine
1028 them here and let the code below set them to proper values.
1029
1030 The ghs macro stands for GreenHills Software C-1.8.5 which
1031 is the C compiler for sysV88 and the various derivatives.
1032 This header file bug is corrected in gcc-2.5.8 and later versions.
1033 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1034
cc3315ba 1035#if defined(m88k) && defined(ghs)
79072805
LW		 1036# undef S_ISDIR
1037# undef S_ISCHR
1038# undef S_ISBLK
1039# undef S_ISREG
1040# undef S_ISFIFO
1041# undef S_ISLNK
ee0007ab 1042#endif
135863df 1043
663a0e37
LW		 1044#ifdef I_TIME
1045# include <time.h>
ffed7fef 1046#endif
663a0e37 1047
fe14fcc3 1048#ifdef I_SYS_TIME
85e6fe83 1049# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1050# define KERNEL
1051# endif
1052# include <sys/time.h>
85e6fe83 1053# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1054# undef KERNEL
1055# endif
a687059c 1056#endif
135863df 1057
55497cff 1058#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1059# include <sys/times.h>
d9d8d8de 1060#endif
8d063cd8 1061
fe14fcc3 1062#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1063# undef HAS_STRERROR
663a0e37
LW		 1064#endif
1065
1066#include <errno.h>
1e743fda 1067
acfe0abc 1068#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1069# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1070#endif
1071
8cfab5ff 1072/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1073 * This is important for using IPv6.
8cfab5ff
JH		 1074 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1075 * a bad idea since it breaks send() and recv(). */
1076#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1077# define _SOCKADDR_LEN
1078#endif
1079
da70cfc6 1080#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH		 1081# include <sys/socket.h>
1082# if defined(USE_SOCKS) && defined(I_SOCKS)
1083# if !defined(INCLUDE_PROTOTYPES)
1084# define INCLUDE_PROTOTYPES /* for <socks.h> */
1085# define PERL_SOCKS_NEED_PROTOTYPES
1086# endif
1087# include <socks.h>
1088# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1089# undef INCLUDE_PROTOTYPES
1090# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1091# endif
d460ef45 1092# endif
1e743fda 1093# ifdef I_NETDB
2986a63f
JH		 1094# ifdef NETWARE
1095# include<stdio.h>
1096# endif
1e743fda
JH		 1097# include <netdb.h>
1098# endif
1099# ifndef ENOTSOCK
1100# ifdef I_NET_ERRNO
1101# include <net/errno.h>
1102# endif
1103# endif
1104#endif
1105
fa0a29af 1106/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1107 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1108 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1109#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1110# if defined(__THROW) && defined(__GLIBC__)
1111int sockatmark(int) __THROW;
1112# else
2ef53570 1113int sockatmark(int);
29820b6d 1114# endif
2ef53570
JH		 1115#endif
1116
7e827271 1117#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		 1118EXTERN_C int fchdir(int);
1119EXTERN_C int flock(int, int);
1120EXTERN_C int fseeko(FILE *, off_t, int);
1121EXTERN_C off_t ftello(FILE *);
1122#endif
1123
7e827271 1124#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1125EXTERN_C char *crypt(const char *, const char *);
7e827271 1126EXTERN_C char **environ;
1ccb7c8d
JH		 1127#endif
1128
83a6ff2e 1129#if defined(__cplusplus)
ce3470dc 1130# if defined(BSDish)
b91fbb93 1131EXTERN_C char **environ;
83a6ff2e 1132# elif defined(__CYGWIN__)
667e2948
SP		 1133EXTERN_C char *crypt(const char *, const char *);
1134#endif
83a6ff2e 1135#endif
667e2948 1136
1e743fda
JH		 1137#ifdef SETERRNO
1138# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1139#endif
f86702cc 1140
1141#ifdef VMS
1142# define SETERRNO(errcode,vmserrcode) \
1143 STMT_START { \
1144 set_errno(errcode); \
1145 set_vaxc_errno(vmserrcode); \
1146 } STMT_END
4ee39169
CS		 1147# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1148# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1149# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1150# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1151
93189314
JH		 1152# define LIB_INVARG LIB$_INVARG
1153# define RMS_DIR RMS$_DIR
1154# define RMS_FAC RMS$_FAC
1155# define RMS_FEX RMS$_FEX
1156# define RMS_FNF RMS$_FNF
1157# define RMS_IFI RMS$_IFI
1158# define RMS_ISI RMS$_ISI
1159# define RMS_PRV RMS$_PRV
1160# define SS_ACCVIO SS$_ACCVIO
1161# define SS_DEVOFFLINE SS$_DEVOFFLINE
1162# define SS_IVCHAN SS$_IVCHAN
1163# define SS_NORMAL SS$_NORMAL
748a9306 1164#else
93189314
JH		 1165# define LIB_INVARG 0
1166# define RMS_DIR 0
1167# define RMS_FAC 0
1168# define RMS_FEX 0
1169# define RMS_FNF 0
1170# define RMS_IFI 0
1171# define RMS_ISI 0
1172# define RMS_PRV 0
1173# define SS_ACCVIO 0
1174# define SS_DEVOFFLINE 0
1175# define SS_IVCHAN 0
1176# define SS_NORMAL 0
748a9306 1177#endif
ed6116ce 1178
6ca940a9
TC		 1179#ifdef WIN32
1180# define dSAVEDERRNO int saved_errno; DWORD saved_win32_errno
1181# define dSAVE_ERRNO int saved_errno = errno; DWORD saved_win32_errno = GetLastError()
1182# define SAVE_ERRNO ( saved_errno = errno, saved_win32_errno = GetLastError() )
1183# define RESTORE_ERRNO ( errno = saved_errno, SetLastError(saved_win32_errno) )
1184#endif
1185
1186#ifdef OS2
1187# define dSAVEDERRNO int saved_errno; unsigned long saved_os2_errno
1188# define dSAVE_ERRNO int saved_errno = errno; unsigned long saved_os2_errno = Perl_rc
1189# define SAVE_ERRNO ( saved_errno = errno, saved_os2_errno = Perl_rc )
1190# define RESTORE_ERRNO ( errno = saved_errno, Perl_rc = saved_os2_errno )
1191#endif
1192
1193#ifndef SETERRNO
1194# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
1195#endif
1196
1197#ifndef dSAVEDERRNO
1198# define dSAVEDERRNO int saved_errno
1199# define dSAVE_ERRNO int saved_errno = errno
1200# define SAVE_ERRNO (saved_errno = errno)
1201# define RESTORE_ERRNO (errno = saved_errno)
1202#endif
1203
f5fa9033 1204#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC		 1205
1206#define CLEAR_ERRSV() STMT_START { \
1207 if (!GvSV(PL_errgv)) { \
1208 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1209 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1210 SvREFCNT_dec(GvSV(PL_errgv)); \
1211 GvSV(PL_errgv) = newSVpvs(""); \
1212 } else { \
1213 SV *const errsv = GvSV(PL_errgv); \
1214 sv_setpvs(errsv, ""); \
1215 if (SvMAGICAL(errsv)) { \
1216 mg_free(errsv); \
1217 } \
1218 SvPOK_only(errsv); \
1219 } \
1220 } STMT_END
1221
1222
414bf5ae
MHM		 1223#ifdef PERL_CORE
1224# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC		 1225# define DEFSV_set(sv) \
1226 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1227# define SAVE_DEFSV \
1228 ( \
1229 save_gp(PL_defgv, 0), \
1230 GvINTRO_off(PL_defgv), \
1231 SAVEGENERICSV(GvSV(PL_defgv)), \
1232 GvSV(PL_defgv) = NULL \
1233 )
414bf5ae
MHM		 1234#else
1235# define DEFSV GvSVn(PL_defgv)
55b5114f
FC		 1236# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1237# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1238#endif
38a03e6e 1239
55497cff 1240#ifndef errno
5ff3f7a4
GS		 1241 extern int errno; /* ANSI allows errno to be an lvalue expr.
1242 * For example in multithreaded environments
1243 * something like this might happen:
1244 * extern int *_errno(void);
1245 * #define errno (*_errno()) */
d9d8d8de 1246#endif
663a0e37 1247
7e996671
KW		 1248#define UNKNOWN_ERRNO_MSG "(unknown)"
1249
2304df62 1250#ifdef HAS_STRERROR
b3e384bf 1251# ifndef DONT_DECLARE_STD
a0d0e21e 1252# ifdef VMS
20ce7b12 1253 char *strerror (int,...);
a0d0e21e 1254# else
20ce7b12 1255 char *strerror (int);
a0d0e21e 1256# endif
b3e384bf
KW		 1257# endif
1258# ifndef Strerror
1259# define Strerror strerror
1260# endif
2304df62
AD		 1261#else
1262# ifdef HAS_SYS_ERRLIST
79072805
LW		 1263 extern int sys_nerr;
1264 extern char *sys_errlist[];
2304df62
AD		 1265# ifndef Strerror
1266# define Strerror(e) \
7e996671 1267 ((e) < 0 || (e) >= sys_nerr ? UNKNOWN_ERRNO_MSG : sys_errlist[e])
2304df62 1268# endif
79072805 1269# endif
35c8bce7 1270#endif
663a0e37 1271
2304df62 1272#ifdef I_SYS_IOCTL
79072805
LW		 1273# ifndef _IOCTL_
1274# include <sys/ioctl.h>
1275# endif
a687059c
LW		 1276#endif
1277
ee0007ab 1278#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1279# ifdef HAS_SOCKETPAIR
1280# undef HAS_SOCKETPAIR
1281# endif
2304df62
AD		 1282# ifdef I_NDBM
1283# undef I_NDBM
79072805 1284# endif
a687059c
LW		 1285#endif
1286
02fc2eee
NC		 1287#ifndef HAS_SOCKETPAIR
1288# ifdef HAS_SOCKET
1289# define socketpair Perl_my_socketpair
1290# endif
1291#endif
1292
a687059c 1293#if INTSIZE == 2
79072805
LW		 1294# define htoni htons
1295# define ntohi ntohs
a687059c 1296#else
79072805
LW		 1297# define htoni htonl
1298# define ntohi ntohl
a687059c
LW		 1299#endif
1300
a0d0e21e 1301/* Configure already sets Direntry_t */
35c8bce7 1302#if defined(I_DIRENT)
663a0e37 1303# include <dirent.h>
8f1f23e8
W		 1304 /* NeXT needs dirent + sys/dir.h */
1305# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1306# include <sys/dir.h>
1307# endif
ae986130 1308#else
fe14fcc3 1309# ifdef I_SYS_NDIR
79a0689e 1310# include <sys/ndir.h>
663a0e37 1311# else
fe14fcc3 1312# ifdef I_SYS_DIR
79a0689e
LW		 1313# ifdef hp9000s500
1314# include <ndir.h> /* may be wrong in the future */
1315# else
1316# include <sys/dir.h>
1317# endif
663a0e37
LW		 1318# endif
1319# endif
4633a7c4 1320#endif
a687059c 1321
c623bd54
LW		 1322/*
1323 * The following gobbledygook brought to you on behalf of __STDC__.
1324 * (I could just use #ifndef __STDC__, but this is more bulletproof
1325 * in the face of half-implementations.)
1326 */
1327
21e89b5f 1328#if defined(I_SYSMODE)
ca6e1c26
JH		 1329#include <sys/mode.h>
1330#endif
1331
c623bd54
LW		 1332#ifndef S_IFMT
1333# ifdef _S_IFMT
1334# define S_IFMT _S_IFMT
1335# else
1336# define S_IFMT 0170000
1337# endif
1338#endif
1339
1340#ifndef S_ISDIR
1341# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1342#endif
1343
1344#ifndef S_ISCHR
1345# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1346#endif
1347
1348#ifndef S_ISBLK
fe14fcc3
LW		 1349# ifdef S_IFBLK
1350# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1351# else
1352# define S_ISBLK(m) (0)
1353# endif
c623bd54
LW		 1354#endif
1355
1356#ifndef S_ISREG
1357# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1358#endif
1359
1360#ifndef S_ISFIFO
fe14fcc3
LW		 1361# ifdef S_IFIFO
1362# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1363# else
1364# define S_ISFIFO(m) (0)
1365# endif
c623bd54
LW		 1366#endif
1367
1368#ifndef S_ISLNK
1369# ifdef _S_ISLNK
1370# define S_ISLNK(m) _S_ISLNK(m)
1371# else
1372# ifdef _S_IFLNK
1373# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1374# else
1375# ifdef S_IFLNK
1376# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1377# else
1378# define S_ISLNK(m) (0)
1379# endif
1380# endif
1381# endif
1382#endif
1383
1384#ifndef S_ISSOCK
1385# ifdef _S_ISSOCK
1386# define S_ISSOCK(m) _S_ISSOCK(m)
1387# else
1388# ifdef _S_IFSOCK
1389# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1390# else
1391# ifdef S_IFSOCK
1392# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1393# else
1394# define S_ISSOCK(m) (0)
1395# endif
1396# endif
1397# endif
1398#endif
1399
1400#ifndef S_IRUSR
1401# ifdef S_IREAD
1402# define S_IRUSR S_IREAD
1403# define S_IWUSR S_IWRITE
1404# define S_IXUSR S_IEXEC
1405# else
1406# define S_IRUSR 0400
1407# define S_IWUSR 0200
1408# define S_IXUSR 0100
1409# endif
fac7cdfc
JS		 1410#endif
1411
1412#ifndef S_IRGRP
1413# ifdef S_IRUSR
1414# define S_IRGRP (S_IRUSR>>3)
1415# define S_IWGRP (S_IWUSR>>3)
1416# define S_IXGRP (S_IXUSR>>3)
1417# else
1418# define S_IRGRP 0040
1419# define S_IWGRP 0020
1420# define S_IXGRP 0010
1421# endif
1422#endif
1423
1424#ifndef S_IROTH
1425# ifdef S_IRUSR
1426# define S_IROTH (S_IRUSR>>6)
1427# define S_IWOTH (S_IWUSR>>6)
1428# define S_IXOTH (S_IXUSR>>6)
1429# else
1430# define S_IROTH 0040
1431# define S_IWOTH 0020
1432# define S_IXOTH 0010
1433# endif
c623bd54
LW		 1434#endif
1435
1436#ifndef S_ISUID
1437# define S_ISUID 04000
1438#endif
1439
1440#ifndef S_ISGID
1441# define S_ISGID 02000
1442#endif
1443
ca6e1c26
JH		 1444#ifndef S_IRWXU
1445# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1446#endif
ca6e1c26
JH		 1447
1448#ifndef S_IRWXG
1449# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1450#endif
ca6e1c26
JH		 1451
1452#ifndef S_IRWXO
1453# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1454#endif
ca6e1c26 1455
b6c36746 1456/* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1457 * which would get included through <sys/file.h >, but that is 3000
1458 * lines in the future. --jhi */
1459
b6c36746 1460#if !defined(S_IREAD) && !defined(__HAIKU__)
ca6e1c26
JH		 1461# define S_IREAD S_IRUSR
1462#endif
1463
b6c36746 1464#if !defined(S_IWRITE) && !defined(__HAIKU__)
ca6e1c26
JH		 1465# define S_IWRITE S_IWUSR
1466#endif
1467
1468#ifndef S_IEXEC
1469# define S_IEXEC S_IXUSR
1470#endif
1471
a0d0e21e 1472#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1473# define SLOPPYDIVIDE
1474#endif
1475
748a9306
LW		 1476#ifdef UV
1477#undef UV
1478#endif
1479
ce582cee
NC		 1480/* For the times when you want the return value of sprintf, and you want it
1481 to be the length. Can't have a thread variable passed in, because C89 has
1482 no varargs macros.
1483*/
1484#ifdef SPRINTF_RETURNS_STRLEN
1485# define my_sprintf sprintf
1486#else
1487# define my_sprintf Perl_my_sprintf
1488#endif
1489
5b692037
JH		 1490/*
1491 * If we have v?snprintf() and the C99 variadic macros, we can just
1492 * use just the v?snprintf(). It is nice to try to trap the buffer
1493 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1494 * gcc statement expressions, then use the function wrappers which try
1495 * to trap the overflow. If we can use the gcc statement expressions,
1496 * we can try that even with the version that uses the C99 variadic
1497 * macros.
5b692037
JH		 1498 */
1499
1208b3dd
JH		 1500/* Note that we do not check against snprintf()/vsnprintf() returning
1501 * negative values because that is non-standard behaviour and we use
1502 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1503 * that should be true only if the snprintf()/vsnprintf() are true
1504 * to the standard. */
1505
dfeee9b1 1506#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1507# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1508# 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 1509# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1510# else
1511# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1512# endif
1513#else
1514# define my_snprintf Perl_my_snprintf
1208b3dd 1515# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1516#endif
1517
dfeee9b1 1518#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1519# ifdef PERL_USE_GCC_BRACE_GROUPS
9e440ecc 1520# 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 1521# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1522# else
1523# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1524# endif
1525#else
1526# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1527# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1528#endif
d9fad198 1529
a6cc4119
SP		 1530#ifdef HAS_STRLCAT
1531# define my_strlcat strlcat
1532#else
1533# define my_strlcat Perl_my_strlcat
1534#endif
1535
1536#ifdef HAS_STRLCPY
1537# define my_strlcpy strlcpy
1538#else
1539# define my_strlcpy Perl_my_strlcpy
1540#endif
1541
05f13f53 1542/*
27d4fb96 1543 The IV type is supposed to be long enough to hold any integral
1544 value or a pointer.
1545 --Andy Dougherty August 1996
1546*/
1547
a22e52b9
JH		 1548typedef IVTYPE IV;
1549typedef UVTYPE UV;
8175356b 1550
10cc9d2a 1551#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1552# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1553# define IV_MAX INT64_MAX
1554# define IV_MIN INT64_MIN
1555# define UV_MAX UINT64_MAX
cae7ae48
JH		 1556# ifndef UINT64_MIN
1557# define UINT64_MIN 0
1558# endif
5ff3f7a4
GS		 1559# define UV_MIN UINT64_MIN
1560# else
1561# define IV_MAX PERL_QUAD_MAX
1562# define IV_MIN PERL_QUAD_MIN
1563# define UV_MAX PERL_UQUAD_MAX
1564# define UV_MIN PERL_UQUAD_MIN
1565# endif
cf2093f6
JH		 1566# define IV_IS_QUAD
1567# define UV_IS_QUAD
79072805 1568#else
8175356b 1569# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1570# define IV_MAX INT32_MAX
1571# define IV_MIN INT32_MIN
716026f9
DL		 1572# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1573# define UV_MAX UINT32_MAX
1574# else
1575# define UV_MAX 4294967295U
1576# endif
cae7ae48
JH		 1577# ifndef UINT32_MIN
1578# define UINT32_MIN 0
1579# endif
5ff3f7a4
GS		 1580# define UV_MIN UINT32_MIN
1581# else
1582# define IV_MAX PERL_LONG_MAX
1583# define IV_MIN PERL_LONG_MIN
1584# define UV_MAX PERL_ULONG_MAX
1585# define UV_MIN PERL_ULONG_MIN
1586# endif
8175356b 1587# if IVSIZE == 8
cf2093f6
JH		 1588# define IV_IS_QUAD
1589# define UV_IS_QUAD
de1c2614
JH		 1590# ifndef HAS_QUAD
1591# define HAS_QUAD
1592# endif
cf2093f6
JH		 1593# else
1594# undef IV_IS_QUAD
1595# undef UV_IS_QUAD
9ea40801 1596#if !defined(PERL_CORE) || defined(USING_MSVC6)
e25d460c
NC		 1597/* We think that removing this decade-old undef this will cause too much
1598 breakage on CPAN for too little gain. (See RT #119753)
9ea40801
SH		 1599 However, we do need HAS_QUAD in the core for use by the drand48 code,
1600 but not for Win32 VC6 because it has poor __int64 support. */
cb4b14d5 1601# undef HAS_QUAD
e25d460c 1602#endif
cf2093f6 1603# endif
79072805 1604#endif
d7d93a81 1605
9a543cee
FC		 1606#define SSize_t_MAX (SSize_t)(~(size_t)0 >> 1)
1607
cae7ae48 1608#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1609#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1610
28e5dec8 1611#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1612#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1613#endif
1614
d460ef45 1615/*
26bb67e2
JH		 1616 * The macros INT2PTR and NUM2PTR are (despite their names)
1617 * bi-directional: they will convert int/float to or from pointers.
1618 * However the conversion to int/float are named explicitly:
1619 * PTR2IV, PTR2UV, PTR2NV.
1620 *
1621 * For int conversions we do not need two casts if pointers are
1622 * the same size as IV and UV. Otherwise we need an explicit
1623 * cast (PTRV) to avoid compiler warnings.
1624 */
56431972
RB		 1625#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1626# define PTRV UV
1627# define INT2PTR(any,d) (any)(d)
1628#else
d460ef45 1629# if PTRSIZE == LONGSIZE
56431972 1630# define PTRV unsigned long
e91e3b10 1631# define PTR2ul(p) (unsigned long)(p)
42718184 1632# else
56431972 1633# define PTRV unsigned
42718184 1634# endif
e91e3b10
RB		 1635#endif
1636
1637#ifndef INT2PTR
56431972 1638# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1639#endif
e91e3b10
RB		 1640
1641#ifndef PTR2ul
1642# define PTR2ul(p) INT2PTR(unsigned long,p)
1643#endif
1644
56431972
RB		 1645#define NUM2PTR(any,d) (any)(PTRV)(d)
1646#define PTR2IV(p) INT2PTR(IV,p)
1647#define PTR2UV(p) INT2PTR(UV,p)
1648#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1649#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1650
8141890a
JH		 1651/* According to strict ANSI C89 one cannot freely cast between
1652 * data pointers and function (code) pointers. There are at least
1653 * two ways around this. One (used below) is to do two casts,
1654 * first the other pointer to an (unsigned) integer, and then
1655 * the integer to the other pointer. The other way would be
1656 * to use unions to "overlay" the pointers. For an example of
1657 * the latter technique, see union dirpu in struct xpvio in sv.h.
1658 * The only feasible use is probably temporarily storing
1659 * function pointers in a data pointer (such as a void pointer). */
1660
e91e3b10
RB		 1661#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1662#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1663
65202027 1664#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1665# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1666# define LONG_DOUBLE_EQUALS_DOUBLE
1667# endif
68d4903c 1668# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1669# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1670# endif
1671#endif
1672
2d4389e4
JH		 1673#ifdef OVR_DBL_DIG
1674/* Use an overridden DBL_DIG */
1675# ifdef DBL_DIG
1676# undef DBL_DIG
1677# endif
1678# define DBL_DIG OVR_DBL_DIG
1679#else
1680/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1681 default value for printing floating point numbers in Gconvert
1682 (see config.h). (It also has other uses, such as figuring out if
1683 a given precision of printing can be done with a double instead of
1684 a long double - Allen).
2d4389e4
JH		 1685*/
1686#ifdef I_LIMITS
1687#include <limits.h>
1688#endif
1689#ifdef I_FLOAT
1690#include <float.h>
1691#endif
1692#ifndef HAS_DBL_DIG
1693#define DBL_DIG 15 /* A guess that works lots of places */
1694#endif
1695#endif
1696
1697#ifdef OVR_LDBL_DIG
1698/* Use an overridden LDBL_DIG */
1699# ifdef LDBL_DIG
1700# undef LDBL_DIG
1701# endif
1702# define LDBL_DIG OVR_LDBL_DIG
1703#else
1704/* The following is all to get LDBL_DIG, in order to pick a nice
1705 default value for printing floating point numbers in Gconvert.
1706 (see config.h)
1707*/
68d4903c
JH		 1708# ifdef I_LIMITS
1709# include <limits.h>
1710# endif
1711# ifdef I_FLOAT
1712# include <float.h>
1713# endif
1714# ifndef HAS_LDBL_DIG
1715# if LONG_DOUBLESIZE == 10
1716# define LDBL_DIG 18 /* assume IEEE */
1717# else
1718# if LONG_DOUBLESIZE == 12
1719# define LDBL_DIG 18 /* gcc? */
1720# else
1721# if LONG_DOUBLESIZE == 16
1722# define LDBL_DIG 33 /* assume IEEE */
1723# else
1724# if LONG_DOUBLESIZE == DOUBLESIZE
1725# define LDBL_DIG DBL_DIG /* bummer */
1726# endif
1727# endif
1728# endif
1729# endif
1730# endif
2d4389e4
JH		 1731#endif
1732
20f6aaab
AS		 1733/*
1734 * This is for making sure we have a good DBL_MAX value, if possible,
1735 * either for usage as NV_MAX or for usage in figuring out if we can
1736 * fit a given long double into a double, if bug-fixing makes it
1737 * necessary to do so. - Allen <allens@cpan.org>
1738 */
1739
205f51d8
AS		 1740#ifdef I_LIMITS
1741# include <limits.h>
20f6aaab
AS		 1742#endif
1743
205f51d8
AS		 1744#ifdef I_VALUES
1745# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1746# include <values.h>
1747# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1748# define DBL_MAX MAXDOUBLE
1749# endif
1750# if defined(MINDOUBLE) && !defined(DBL_MIN)
1751# define DBL_MIN MINDOUBLE
1752# endif
1753# endif
1754#endif /* defined(I_VALUES) */
1755
a22e52b9 1756typedef NVTYPE NV;
8175356b 1757
792d8dab
JH		 1758#ifdef I_IEEEFP
1759# include <ieeefp.h>
1760#endif
923fc586 1761
65202027 1762#ifdef USE_LONG_DOUBLE
923fc586
JH		 1763# ifdef I_SUNMATH
1764# include <sunmath.h>
1765# endif
2d4389e4 1766# define NV_DIG LDBL_DIG
d6c14000
JH		 1767# ifdef LDBL_MANT_DIG
1768# define NV_MANT_DIG LDBL_MANT_DIG
1769# endif
06fc1729
JH		 1770# ifdef LDBL_MIN
1771# define NV_MIN LDBL_MIN
1772# endif
1773# ifdef LDBL_MAX
1774# define NV_MAX LDBL_MAX
1775# endif
1776# ifdef LDBL_MIN_10_EXP
1777# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1778# endif
1779# ifdef LDBL_MAX_10_EXP
1780# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1781# endif
1782# ifdef LDBL_EPSILON
1783# define NV_EPSILON LDBL_EPSILON
1784# endif
f4a14a62
JH		 1785# ifdef LDBL_MAX
1786# define NV_MAX LDBL_MAX
20f6aaab 1787/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1788# else
1789# ifdef HUGE_VALL
1790# define NV_MAX HUGE_VALL
1791# else
1792# ifdef HUGE_VAL
1793# define NV_MAX ((NV)HUGE_VAL)
1794# endif
1795# endif
1796# endif
68d4903c 1797# ifdef HAS_SQRTL
68d4903c
JH		 1798# define Perl_cos cosl
1799# define Perl_sin sinl
1800# define Perl_sqrt sqrtl
1801# define Perl_exp expl
1802# define Perl_log logl
1803# define Perl_atan2 atan2l
1804# define Perl_pow powl
1805# define Perl_floor floorl
1bbae031 1806# define Perl_ceil ceill
68d4903c
JH		 1807# define Perl_fmod fmodl
1808# endif
a3540c92
JH		 1809/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1810# ifdef HAS_MODFL
1811# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1812/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1813 prototype in <math.h> */
1814# ifndef HAS_MODFL_PROTO
a221a8a5 1815EXTERN_C long double modfl(long double, long double *);
51997bc3 1816# endif
03476e8e
JH		 1817# else
1818# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1819 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1820# define Perl_modf(x,y) Perl_my_modfl(x,y)
1821# endif
a3540c92
JH		 1822# endif
1823# ifdef HAS_FREXPL
dff3e0b8 1824# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1825# else
1826# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1827 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1828# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1829# endif
a3540c92 1830# endif
38dbb4c5 1831# ifndef Perl_isnan
758a5d79
JH		 1832# ifdef HAS_ISNANL
1833# define Perl_isnan(x) isnanl(x)
1834# endif
1835# endif
1836# ifndef Perl_isinf
1837# ifdef HAS_FINITEL
1838# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1839# endif
1840# endif
65202027 1841#else
2d4389e4 1842# define NV_DIG DBL_DIG
d6c14000
JH		 1843# ifdef DBL_MANT_DIG
1844# define NV_MANT_DIG DBL_MANT_DIG
1845# endif
06fc1729
JH		 1846# ifdef DBL_MIN
1847# define NV_MIN DBL_MIN
1848# endif
1849# ifdef DBL_MAX
1850# define NV_MAX DBL_MAX
1851# endif
1852# ifdef DBL_MIN_10_EXP
1853# define NV_MIN_10_EXP DBL_MIN_10_EXP
1854# endif
1855# ifdef DBL_MAX_10_EXP
1856# define NV_MAX_10_EXP DBL_MAX_10_EXP
1857# endif
1858# ifdef DBL_EPSILON
1859# define NV_EPSILON DBL_EPSILON
1860# endif
205f51d8 1861# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1862# define NV_MAX DBL_MAX
1863# define NV_MIN DBL_MIN
1864# else
1865# ifdef HUGE_VAL
1866# define NV_MAX HUGE_VAL
1867# endif
1868# endif
65202027
DS		 1869# define Perl_cos cos
1870# define Perl_sin sin
1871# define Perl_sqrt sqrt
1872# define Perl_exp exp
1873# define Perl_log log
1874# define Perl_atan2 atan2
1875# define Perl_pow pow
1876# define Perl_floor floor
1bbae031 1877# define Perl_ceil ceil
65202027 1878# define Perl_fmod fmod
a3540c92 1879# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1880# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1881#endif
1882
1883/* rumor has it that Win32 has _fpclass() */
1884
205f51d8
AS		 1885/* SGI has fpclassl... but not with the same result values,
1886 * and it's via a typedef (not via #define), so will need to redo Configure
1887 * to use. Not worth the trouble, IMO, at least until the below is used
1888 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1889 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1890 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1891
758a5d79
JH		 1892#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1893# ifdef I_IEEFP
1894# include <ieeefp.h>
1895# endif
1896# ifdef I_FP
1897# include <fp.h>
1898# endif
1899# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1900# define Perl_fp_class() fpclassl(x)
1901# else
1902# define Perl_fp_class() fpclass(x)
1903# endif
1904# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1905# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1906# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1907# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1908# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1909# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1910# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1911# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1912# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1913# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1914# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1915# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1916# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1917# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1918# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1919#endif
1920
21e89b5f 1921#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS)
758a5d79
JH		 1922# include <math.h>
1923# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1924# include <fp_class.h>
1925# endif
1926# define Perl_fp_class(x) fp_class(x)
1927# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1928# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1929# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1930# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1931# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1932# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1933# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1934# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1935# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1936# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1937# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1938# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1939# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1940# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1941# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1942#endif
1943
1944#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1945# include <math.h>
1946# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1947# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1948# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1949# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1950# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1951# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1952#endif
1953
1954#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1955# include <math.h>
1956# ifndef _cplusplus
1957# define Perl_fp_class(x) class(x)
1958# else
1959# define Perl_fp_class(x) _class(x)
1960# endif
1961# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1962# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1963# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1964# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1965# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1966# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1967# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1968# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1969# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1970# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1971# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1972# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1973# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1974# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1975# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1976#endif
1977
1978/* rumor has it that Win32 has _isnan() */
1979
1980#ifndef Perl_isnan
a3540c92 1981# ifdef HAS_ISNAN
758a5d79
JH		 1982# define Perl_isnan(x) isnan((NV)x)
1983# else
1984# ifdef Perl_fp_class_nan
1985# define Perl_isnan(x) Perl_fp_class_nan(x)
1986# else
1987# ifdef HAS_UNORDERED
1988# define Perl_isnan(x) unordered((x), 0.0)
1989# else
1990# define Perl_isnan(x) ((x)!=(x))
1991# endif
1992# endif
1993# endif
1994#endif
1995
ca6c63e1
JH		 1996#ifdef UNDER_CE
1997int isnan(double d);
1998#endif
1999
758a5d79
JH		 2000#ifndef Perl_isinf
2001# ifdef HAS_ISINF
2002# define Perl_isinf(x) isinf((NV)x)
a3540c92 2003# else
758a5d79
JH		 2004# ifdef Perl_fp_class_inf
2005# define Perl_isinf(x) Perl_fp_class_inf(x)
2006# else
2007# define Perl_isinf(x) ((x)==NV_INF)
2008# endif
2009# endif
2010#endif
2011
2012#ifndef Perl_isfinite
2013# ifdef HAS_FINITE
2014# define Perl_isfinite(x) finite((NV)x)
2015# else
2016# ifdef HAS_ISFINITE
2017# define Perl_isfinite(x) isfinite(x)
2018# else
2019# ifdef Perl_fp_class_finite
2020# define Perl_isfinite(x) Perl_fp_class_finite(x)
2021# else
2022# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2023# endif
2024# endif
a3540c92 2025# endif
65202027
DS		 2026#endif
2027
a36244b7
JH		 2028/* The default is to use Perl's own atof() implementation (in numeric.c).
2029 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2030 * it is however best to use the native implementation of atof.
2031 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2032 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2033 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2034 * you may need to be using a different function than atof! */
a36244b7
JH		 2035
2036#ifndef USE_PERL_ATOF
2037# ifndef _UNICOS
2038# define USE_PERL_ATOF
2039# endif
2040#else
2041# if USE_PERL_ATOF == 0
2042# undef USE_PERL_ATOF
2043# endif
2044#endif
2045
2046#ifdef USE_PERL_ATOF
2047# define Perl_atof(s) Perl_my_atof(s)
2048# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2049#else
2050# define Perl_atof(s) (NV)atof(s)
2051# define Perl_atof2(s, n) ((n) = atof(s))
2052#endif
cf2093f6 2053
d460ef45 2054/* Previously these definitions used hardcoded figures.
760ac839
LW		 2055 * It is hoped these formula are more portable, although
2056 * no data one way or another is presently known to me.
2057 * The "PERL_" names are used because these calculated constants
2058 * do not meet the ANSI requirements for LONG_MAX, etc., which
2059 * need to be constants acceptable to #if - kja
2060 * define PERL_LONG_MAX 2147483647L
2061 * define PERL_LONG_MIN (-LONG_MAX - 1)
2062 * define PERL ULONG_MAX 4294967295L
2063 */
2064
2065#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2066# include <limits.h>
760ac839 2067#endif
205f51d8 2068/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2069 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2070
99abf803 2071/*
2072 * Try to figure out max and min values for the integral types. THE CORRECT
2073 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2074 * following hacks are used if neither limits.h or values.h provide them:
2075 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2076 * for types < int: (unsigned TYPE)~(unsigned)0
2077 * The argument to ~ must be unsigned so that later signed->unsigned
2078 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2079 * and it must not be smaller than int because ~ does integral promotion.
2080 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2081 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2082 * The latter is a hack which happens to work on some machines but
2083 * does *not* catch any random system, or things like integer types
2084 * with NaN if that is possible.
2085 *
2086 * All of the types are explicitly cast to prevent accidental loss of
2087 * numeric range, and in the hope that they will be less likely to confuse
2088 * over-eager optimizers.
2089 *
2090 */
27d4fb96 2091
99abf803 2092#define PERL_UCHAR_MIN ((unsigned char)0)
2093
2094#ifdef UCHAR_MAX
2095# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2096#else
99abf803 2097# ifdef MAXUCHAR
2098# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2099# else
99abf803 2100# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2101# endif
2102#endif
d460ef45 2103
99abf803 2104/*
2105 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2106 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2107 * depending on local options. Until Configure detects this (or at least
2108 * detects whether the "signed" keyword is available) the CHAR ranges
2109 * will not be included. UCHAR functions normally.
2110 * - kja
2111 */
27d4fb96 2112
99abf803 2113#define PERL_USHORT_MIN ((unsigned short)0)
2114
2115#ifdef USHORT_MAX
2116# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2117#else
99abf803 2118# ifdef MAXUSHORT
2119# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2120# else
ef2f54b0
CB		 2121# ifdef USHRT_MAX
2122# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2123# else
2124# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2125# endif
27d4fb96 2126# endif
2127#endif
2128
27d4fb96 2129#ifdef SHORT_MAX
99abf803 2130# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2131#else
2132# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2133# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2134# else
ef2f54b0
CB		 2135# ifdef SHRT_MAX
2136# define PERL_SHORT_MAX ((short)SHRT_MAX)
2137# else
2138# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2139# endif
27d4fb96 2140# endif
2141#endif
2142
2143#ifdef SHORT_MIN
99abf803 2144# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2145#else
2146# ifdef MINSHORT
99abf803 2147# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2148# else
ef2f54b0
CB		 2149# ifdef SHRT_MIN
2150# define PERL_SHORT_MIN ((short)SHRT_MIN)
2151# else
2152# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2153# endif
27d4fb96 2154# endif
2155#endif
2156
99abf803 2157#ifdef UINT_MAX
2158# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2159#else
99abf803 2160# ifdef MAXUINT
2161# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2162# else
99abf803 2163# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2164# endif
2165#endif
2166
99abf803 2167#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2168
2169#ifdef INT_MAX
99abf803 2170# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2171#else
2172# ifdef MAXINT /* Often used in <values.h> */
99abf803 2173# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2174# else
99abf803 2175# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2176# endif
2177#endif
2178
2179#ifdef INT_MIN
99abf803 2180# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2181#else
2182# ifdef MININT
99abf803 2183# define PERL_INT_MIN ((int)MININT)
27d4fb96 2184# else
2185# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2186# endif
2187#endif
2188
99abf803 2189#ifdef ULONG_MAX
2190# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2191#else
99abf803 2192# ifdef MAXULONG
2193# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2194# else
99abf803 2195# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2196# endif
2197#endif
2198
99abf803 2199#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2200
760ac839 2201#ifdef LONG_MAX
99abf803 2202# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2203#else
2204# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2205# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2206# else
99abf803 2207# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2208# endif
2209#endif
2210
2211#ifdef LONG_MIN
99abf803 2212# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2213#else
2214# ifdef MINLONG
99abf803 2215# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2216# else
27d4fb96 2217# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2218# endif
2219#endif
2220
d7d93a81 2221#ifdef UV_IS_QUAD
99abf803 2222
99abf803 2223# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2224# define PERL_UQUAD_MIN ((UV)0)
99abf803 2225# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2226# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2227
79072805
LW		 2228#endif
2229
ee0007ab 2230typedef MEM_SIZE STRLEN;
450a55e4 2231
598921a7
NC		 2232#ifdef PERL_MAD
2233typedef struct token TOKEN;
2234typedef struct madprop MADPROP;
2235typedef struct nexttoken NEXTTOKE;
2236#endif
79072805
LW		 2237typedef struct op OP;
2238typedef struct cop COP;
2239typedef struct unop UNOP;
2240typedef struct binop BINOP;
2241typedef struct listop LISTOP;
2242typedef struct logop LOGOP;
79072805
LW		 2243typedef struct pmop PMOP;
2244typedef struct svop SVOP;
7934575e 2245typedef struct padop PADOP;
79072805 2246typedef struct pvop PVOP;
79072805
LW		 2247typedef struct loop LOOP;
2248
7aef8e5b 2249#ifdef PERL_CORE
8be227ab
FC		 2250typedef struct opslab OPSLAB;
2251typedef struct opslot OPSLOT;
2252#endif
2253
52db365a 2254typedef struct block_hooks BHK;
1830b3d9 2255typedef struct custom_op XOP;
52db365a 2256
cd1541b2
NC		 2257typedef struct interpreter PerlInterpreter;
2258
d2b3f365 2259/* SGI's <sys/sema.h> has struct sv */
cc3315ba 2260#if defined(__sgi)
d2b3f365 2261# define STRUCT_SV perl_sv
b8d3c5db
JH		 2262#else
2263# define STRUCT_SV sv
2264#endif
2265typedef struct STRUCT_SV SV;
79072805
LW		 2266typedef struct av AV;
2267typedef struct hv HV;
2268typedef struct cv CV;
d2f13c59 2269typedef struct p5rx REGEXP;
79072805 2270typedef struct gp GP;
0c30d9ec 2271typedef struct gv GV;
8990e307 2272typedef struct io IO;
c09156bb 2273typedef struct context PERL_CONTEXT;
79072805
LW		 2274typedef struct block BLOCK;
2275
2276typedef struct magic MAGIC;
2277typedef struct xpv XPV;
2278typedef struct xpviv XPVIV;
ff68c719 2279typedef struct xpvuv XPVUV;
79072805
LW		 2280typedef struct xpvnv XPVNV;
2281typedef struct xpvmg XPVMG;
2282typedef struct xpvlv XPVLV;
d361b004 2283typedef struct xpvinvlist XINVLIST;
79072805
LW		 2284typedef struct xpvav XPVAV;
2285typedef struct xpvhv XPVHV;
2286typedef struct xpvgv XPVGV;
2287typedef struct xpvcv XPVCV;
2288typedef struct xpvbm XPVBM;
2289typedef struct xpvfm XPVFM;
8990e307 2290typedef struct xpvio XPVIO;
79072805
LW		 2291typedef struct mgvtbl MGVTBL;
2292typedef union any ANY;
5f7fde29
GS		 2293typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2294typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2295typedef struct clone_params CLONE_PARAMS;
2296
35e035cc 2297/* a pad or name pad is currently just an AV; but that might change,
7261499d
FC		 2298 * so hide the type. */
2299typedef struct padlist PADLIST;
67634234 2300typedef AV PAD;
35e035cc
FC		 2301typedef AV PADNAMELIST;
2302typedef SV PADNAME;
67634234 2303
13b0f67d
DM		 2304/* enable PERL_NEW_COPY_ON_WRITE by default */
2305#if !defined(PERL_OLD_COPY_ON_WRITE) && !defined(PERL_NEW_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2306# define PERL_NEW_COPY_ON_WRITE
2307#endif
07d01d6e 2308
db2c6cb3
FC		 2309#if defined(PERL_OLD_COPY_ON_WRITE) || defined(PERL_NEW_COPY_ON_WRITE)
2310# if defined(PERL_OLD_COPY_ON_WRITE) && defined(PERL_NEW_COPY_ON_WRITE)
2311# error PERL_OLD_COPY_ON_WRITE and PERL_NEW_COPY_ON_WRITE are exclusive
2312# else
2313# define PERL_ANY_COW
2314# endif
9f351b45
DM		 2315#else
2316# define PERL_SAWAMPERSAND
db2c6cb3
FC		 2317#endif
2318
378cc40b 2319#include "handy.h"
a0d0e21e 2320
6b8eaf93 2321#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2322# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2323# define USE_64_BIT_RAWIO /* implicit */
2324# endif
4564133c
JH		 2325#endif
2326
6b8eaf93
JH		 2327/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2328 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2329 * however, because operating systems like to do that themself. */
2330#ifndef FSEEKSIZE
2331# ifdef HAS_FSEEKO
2332# define FSEEKSIZE LSEEKSIZE
2333# else
2334# define FSEEKSIZE LONGSIZE
d460ef45 2335# endif
6b8eaf93
JH		 2336#endif
2337
2338#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2339# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2340# define USE_64_BIT_STDIO /* implicit */
2341# endif
2342#endif
4564133c 2343
09458382 2344#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2345# ifdef HAS_OFF64_T
2346# undef Off_t
2347# define Off_t off64_t
2348# undef LSEEKSIZE
2349# define LSEEKSIZE 8
5ff3f7a4 2350# endif
d9b3e12d
JH		 2351/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2352 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2353 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2354# if defined(USE_OPEN64)
2355# define open open64
5ff3f7a4 2356# endif
d9b3e12d
JH		 2357# if defined(USE_LSEEK64)
2358# define lseek lseek64
6b8eaf93
JH		 2359# else
2360# if defined(USE_LLSEEK)
2361# define lseek llseek
2362# endif
d9b3e12d
JH		 2363# endif
2364# if defined(USE_STAT64)
2365# define stat stat64
2366# endif
2367# if defined(USE_FSTAT64)
2368# define fstat fstat64
2369# endif
2370# if defined(USE_LSTAT64)
2371# define lstat lstat64
2372# endif
2373# if defined(USE_FLOCK64)
2374# define flock flock64
2375# endif
2376# if defined(USE_LOCKF64)
2377# define lockf lockf64
2378# endif
2379# if defined(USE_FCNTL64)
2380# define fcntl fcntl64
2381# endif
2382# if defined(USE_TRUNCATE64)
2383# define truncate truncate64
2384# endif
2385# if defined(USE_FTRUNCATE64)
2386# define ftruncate ftruncate64
2387# endif
2388#endif
2389
2390#ifdef USE_64_BIT_STDIO
2391# ifdef HAS_FPOS64_T
2392# undef Fpos_t
2393# define Fpos_t fpos64_t
2394# endif
2395/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2396 * will trigger defines like the ones below. Some 64-bit environments,
2397 * however, do not. */
2398# if defined(USE_FOPEN64)
2399# define fopen fopen64
2400# endif
2401# if defined(USE_FSEEK64)
6b8eaf93 2402# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2403# endif
2404# if defined(USE_FTELL64)
6b8eaf93 2405# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2406# endif
2407# if defined(USE_FSETPOS64)
2408# define fsetpos fsetpos64
2409# endif
2410# if defined(USE_FGETPOS64)
2411# define fgetpos fgetpos64
2412# endif
2413# if defined(USE_TMPFILE64)
2414# define tmpfile tmpfile64
2415# endif
2416# if defined(USE_FREOPEN64)
2417# define freopen freopen64
5ff3f7a4
GS		 2418# endif
2419#endif
2420
e37778c2 2421#if defined(OS2)
2c2d71f5
JH		 2422# include "iperlsys.h"
2423#endif
2424
748a9306 2425#ifdef DOSISH
19848b3f
JH		 2426# if defined(OS2)
2427# include "os2ish.h"
2428# else
2429# include "dosish.h"
2430# endif
009819bb 2431#elif defined(VMS)
748a9306 2432# include "vmsish.h"
009819bb 2433#elif defined(PLAN9)
19848b3f 2434# include "./plan9/plan9ish.h"
009819bb 2435#elif defined(__VOS__)
196918b0
PG		 2436# ifdef __GNUC__
2437# include "./vos/vosish.h"
2438# else
2439# include "vos/vosish.h"
2440# endif
009819bb 2441#elif defined(__SYMBIAN32__)
27da23d5 2442# include "symbian/symbianish.h"
009819bb 2443#elif defined(__HAIKU__)
df00ff3b 2444# include "haiku/haikuish.h"
009819bb 2445#else
19848b3f 2446# include "unixish.h"
13b6e58c
JH		 2447#endif
2448
2946a158
JH		 2449/* NSIG logic from Configure --> */
2450/* Strange style to avoid deeply-nested #if/#else/#endif */
2451#ifndef NSIG
2452# ifdef _NSIG
2453# define NSIG (_NSIG)
2454# endif
2455#endif
2456
2457#ifndef NSIG
2458# ifdef SIGMAX
2459# define NSIG (SIGMAX+1)
2460# endif
2461#endif
2462
2463#ifndef NSIG
2464# ifdef SIG_MAX
2465# define NSIG (SIG_MAX+1)
2466# endif
2467#endif
2468
2469#ifndef NSIG
2470# ifdef _SIG_MAX
2471# define NSIG (_SIG_MAX+1)
2472# endif
2473#endif
2474
2475#ifndef NSIG
2476# ifdef MAXSIG
2477# define NSIG (MAXSIG+1)
2478# endif
2479#endif
2480
2481#ifndef NSIG
2482# ifdef MAX_SIG
2483# define NSIG (MAX_SIG+1)
2484# endif
2485#endif
2486
2487#ifndef NSIG
2488# ifdef SIGARRAYSIZE
2489# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2490# endif
2491#endif
2492
2493#ifndef NSIG
2494# ifdef _sys_nsig
2495# define NSIG (_sys_nsig) /* Solaris 2.5 */
2496# endif
2497#endif
2498
2499/* Default to some arbitrary number that's big enough to get most
2500 of the common signals.
2501*/
2502#ifndef NSIG
2503# define NSIG 50
2504#endif
2505/* <-- NSIG logic from Configure */
2506
13b6e58c
JH		 2507#ifndef NO_ENVIRON_ARRAY
2508# define USE_ENVIRON_ARRAY
2509#endif
32f822de 2510
c77b533b
JH		 2511/*
2512 * initialise to avoid floating-point exceptions from overflow, etc
2513 */
2514#ifndef PERL_FPU_INIT
2515# ifdef HAS_FPSETMASK
2516# if HAS_FLOATINGPOINT_H
2517# include <floatingpoint.h>
2518# endif
ad3a8c67
NC		 2519/* Some operating systems have this as a macro, which in turn expands to a comma
2520 expression, and the last sub-expression is something that gets calculated,
2521 and then they have the gall to warn that a value computed is not used. Hence
2522 cast to void. */
2523# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2524# else
2f42fcb0 2525# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2526# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2527# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2528# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2529# else
2530# define PERL_FPU_INIT
2f42fcb0 2531
7014c407 2532# endif
c77b533b
JH		 2533# endif
2534#endif
b35112e7
CS		 2535#ifndef PERL_FPU_PRE_EXEC
2536# define PERL_FPU_PRE_EXEC {
2537# define PERL_FPU_POST_EXEC }
2538#endif
c77b533b 2539
cbec8ebe
DM		 2540#ifndef PERL_SYS_INIT3_BODY
2541# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2542#endif
2543
eb533572 2544/*
4ad9e498 2545=for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
eb533572 2546Provides system-specific tune up of the C runtime environment necessary to
72d33970 2547run Perl interpreters. This should be called only once, before creating
eb533572
DM		 2548any Perl interpreters.
2549
4ad9e498 2550=for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
eb533572 2551Provides system-specific tune up of the C runtime environment necessary to
72d33970 2552run Perl interpreters. This should be called only once, before creating
eb533572
DM		 2553any Perl interpreters.
2554
2555=for apidoc Am|void|PERL_SYS_TERM|
2556Provides system-specific clean up of the C runtime environment after
72d33970 2557running Perl interpreters. This should be called only once, after
eb533572
DM		 2558freeing any remaining Perl interpreters.
2559
2560=cut
2561 */
2562
cbec8ebe
DM		 2563#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2564#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2565#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2566
be708cc0
JH		 2567#ifndef PERL_WRITE_MSG_TO_CONSOLE
2568# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2569#endif
2570
0f31cffe
GS		 2571#ifndef MAXPATHLEN
2572# ifdef PATH_MAX
b990c8b2
JH		 2573# ifdef _POSIX_PATH_MAX
2574# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2575/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2576 * included the null byte or not. Later amendments of POSIX,
2577 * XPG4, the Austin Group, and the Single UNIX Specification
2578 * all explicitly include the null byte in the PATH_MAX.
2579 * Ditto for _POSIX_PATH_MAX. */
2580# define MAXPATHLEN PATH_MAX
b990c8b2 2581# else
09448d78 2582# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2583# endif
2584# else
2585# define MAXPATHLEN (PATH_MAX+1)
2586# endif
0f31cffe 2587# else
d552bce8 2588# define MAXPATHLEN 1024 /* Err on the large side. */
0f31cffe
GS		 2589# endif
2590#endif
2591
c80263a8
SH		 2592/* In case Configure was not used (we are using a "canned config"
2593 * such as Win32, or a cross-compilation setup, for example) try going
2594 * by the gcc major and minor versions. One useful URL is
2595 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2596 * but contrary to this information warn_unused_result seems
2597 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2598 * Also, when building extensions with an installed perl, this allows
2599 * the user to upgrade gcc and get the right attributes, rather than
2600 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2601 * Set these up now otherwise we get confused when some of the <*thread.h>
2602 * includes below indirectly pull in <perlio.h> (which needs to know if we
2603 * have HASATTRIBUTE_FORMAT).
2604 */
2605
4d7c7898 2606#ifndef PERL_MICRO
fc2007d4 2607#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2608# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2609# define HASATTRIBUTE_DEPRECATED
2610# endif
c80263a8
SH		 2611# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2612# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2613# if defined __MINGW32__
2614# define PRINTF_FORMAT_NULL_OK
2615# endif
c80263a8
SH		 2616# endif
2617# if __GNUC__ >= 3 /* 3.0 -> */
2618# define HASATTRIBUTE_MALLOC
2619# endif
2620# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2621# define HASATTRIBUTE_NONNULL
2622# endif
2623# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2624# define HASATTRIBUTE_NORETURN
2625# endif
2626# if __GNUC__ >= 3 /* gcc 3.0 -> */
2627# define HASATTRIBUTE_PURE
2628# endif
42bf5550 2629# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2630# define HASATTRIBUTE_UNUSED
2631# endif
d324fe49
AD		 2632# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2633# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2634# endif
c80263a8
SH		 2635# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2636# define HASATTRIBUTE_WARN_UNUSED_RESULT
2637# endif
2638#endif
00f254e2 2639#endif /* #ifndef PERL_MICRO */
c80263a8 2640
3db8f154 2641/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2642 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2643 * this results in many functions being undeclared which bothers C++
2644 * May make sense to have threads after "*ish.h" anyway
2645 */
2646
3db8f154 2647#if defined(USE_ITHREADS)
2986a63f
JH		 2648# ifdef NETWARE
2649# include <nw5thread.h>
2650# else
32f822de
GS		 2651# ifdef WIN32
2652# include <win32thread.h>
2653# else
dd96f567
IZ		 2654# ifdef OS2
2655# include "os2thread.h"
2656# else
7f3d1cf1 2657# ifdef I_MACH_CTHREADS
bdd66968 2658# include <mach/cthreads.h>
8f1f23e8 2659# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2660# define MUTEX_INIT_CALLS_MALLOC
2661# endif
7f3d1cf1
BH		 2662typedef cthread_t perl_os_thread;
2663typedef mutex_t perl_mutex;
2664typedef condition_t perl_cond;
2665typedef void * perl_key;
2666# else /* Posix threads */
1f5ae88c
JH		 2667# ifdef I_PTHREAD
2668# include <pthread.h>
2669# endif
7f3d1cf1
BH		 2670typedef pthread_t perl_os_thread;
2671typedef pthread_mutex_t perl_mutex;
2672typedef pthread_cond_t perl_cond;
2673typedef pthread_key_t perl_key;
2674# endif /* I_MACH_CTHREADS */
dd96f567 2675# endif /* OS2 */
32f822de 2676# endif /* WIN32 */
ef4abe76 2677# endif /* NETWARE */
3db8f154 2678#endif /* USE_ITHREADS */
c5be433b 2679
66a93824 2680#if defined(WIN32)
1feb2720 2681# include "win32.h"
c5be433b
GS		 2682#endif
2683
2986a63f
JH		 2684#ifdef NETWARE
2685# include "netware.h"
2686#endif
2687
e5218da5 2688#define STATUS_UNIX PL_statusvalue
68dc0745 2689#ifdef VMS
6b88bc9c 2690# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2691/*
2692 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2693 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2694 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2695 * be updated also.
2696 */
2697# include <stsdef.h>
2698# include <ssdef.h>
2699/* Presume this because if VMS changes it, it will require a new
2700 * set of APIs for waiting on children for binary compatibility.
2701 */
2702# define child_offset_bits (8)
2703# ifndef C_FAC_POSIX
2704# define C_FAC_POSIX 0x35A000
2705# endif
2706
2707/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2708 * platform from the existing UNIX or Native status values.
2709 */
2710
37038d91 2711# define STATUS_EXIT \
7a7fd8e0
JM		 2712 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2713 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2714
7a7fd8e0 2715
fb38d079
JM		 2716/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2717 * exit code and shifts the UNIX value over the correct number of bits to
2718 * be a child status. Usually the number of bits is 8, but that could be
2719 * platform dependent. The NATIVE status code is presumed to have either
2720 * from a child process.
7a7fd8e0
JM		 2721 */
2722
fb38d079
JM		 2723/* This is complicated. The child processes return a true native VMS
2724 status which must be saved. But there is an assumption in Perl that
2725 the UNIX child status has some relationship to errno values, so
00f254e2 2726 Perl tries to translate it to text in some of the tests.
fb38d079
JM		 2727 In order to get the string translation correct, for the error, errno
2728 must be EVMSERR, but that generates a different text message
2729 than what the test programs are expecting. So an errno value must
2730 be derived from the native status value when an error occurs.
2731 That will hide the true native status message. With this version of
2732 perl, the true native child status can always be retrieved so that
2733 is not a problem. But in this case, Pl_statusvalue and errno may
2734 have different values in them.
2735 */
7a7fd8e0 2736
fb38d079 2737# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2738 STMT_START { \
2fbb330f
JM		 2739 I32 evalue = (I32)n; \
2740 if (evalue == EVMSERR) { \
2741 PL_statusvalue_vms = vaxc$errno; \
2742 PL_statusvalue = evalue; \
7a7fd8e0 2743 } else { \
2fbb330f 2744 PL_statusvalue_vms = evalue; \
fb38d079 2745 if (evalue == -1) { \
3280af22 2746 PL_statusvalue = -1; \
7a7fd8e0
JM		 2747 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2748 } else \
fb38d079 2749 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2750 set_vaxc_errno(evalue); \
fb38d079
JM		 2751 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2752 set_errno(EVMSERR); \
2753 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2754 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2755 } \
68dc0745 2756 } STMT_END
7a7fd8e0 2757
68dc0745 2758# ifdef VMSISH_STATUS
e5218da5 2759# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2760# else
e5218da5 2761# define STATUS_CURRENT STATUS_UNIX
68dc0745 2762# endif
7a7fd8e0
JM		 2763
2764 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2765 * the NATIVE status to an equivalent value. Can not be used to translate
2766 * exit code values as exit code values are not guaranteed to have any
2767 * relationship at all to errno values.
2768 * This is used when Perl is forcing errno to have a specific value.
2769 */
e5218da5 2770# define STATUS_UNIX_SET(n) \
68dc0745 2771 STMT_START { \
7a7fd8e0 2772 I32 evalue = (I32)n; \
0968cdad 2773 PL_statusvalue = evalue; \
3280af22 2774 if (PL_statusvalue != -1) { \
0968cdad
JM		 2775 if (PL_statusvalue != EVMSERR) { \
2776 PL_statusvalue &= 0xFFFF; \
2777 if (MY_POSIX_EXIT) \
2778 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2779 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2780 } \
2781 else { \
2782 PL_statusvalue_vms = vaxc$errno; \
2783 } \
68dc0745 2784 } \
0968cdad
JM		 2785 else PL_statusvalue_vms = SS$_ABORT; \
2786 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2787 } STMT_END
2788
2789 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 2790 * the NATIVE error status based on it.
2791 *
2792 * When in the default mode to comply with the Perl VMS documentation,
2793 * 0 is a success and any other code sets the NATIVE status to a failure
2794 * code of SS$_ABORT.
fb38d079
JM		 2795 *
2796 * In the new POSIX EXIT mode, native status will be set so that the
2797 * actual exit code will can be retrieved by the calling program or
2798 * shell.
2799 *
2800 * If the exit code is not clearly a UNIX parent or child exit status,
2801 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2802 */
2803
fb38d079 2804# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2805 STMT_START { \
2806 I32 evalue = (I32)n; \
2807 PL_statusvalue = evalue; \
e08e1e1d
JM		 2808 if (MY_POSIX_EXIT) { \
2809 if (evalue <= 0xFF00) { \
2810 if (evalue > 0xFF) \
2811 evalue = (evalue >> child_offset_bits) & 0xFF; \
2812 PL_statusvalue_vms = \
2813 (C_FAC_POSIX | (evalue << 3 ) | \
2814 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
2815 } else /* forgive them Perl, for they have sinned */ \
2816 PL_statusvalue_vms = evalue; \
2817 } else { \
2818 if (evalue == 0) \
2819 PL_statusvalue_vms = SS$_NORMAL; \
2820 else if (evalue <= 0xFF00) \
2821 PL_statusvalue_vms = SS$_ABORT; \
2822 else { /* forgive them Perl, for they have sinned */ \
2823 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2824 else PL_statusvalue_vms = vaxc$errno; \
2825 /* And obviously used a VMS status value instead of UNIX */ \
2826 PL_statusvalue = EVMSERR; \
2827 } \
2828 set_vaxc_errno(PL_statusvalue_vms); \
2829 } \
68dc0745 2830 } STMT_END
fb38d079 2831
e08e1e1d 2832
6ac6a52b
JM		 2833 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2834 * and sets the NATIVE error status based on it. This special case
2835 * is needed to maintain compatibility with past VMS behavior.
2836 *
2837 * In the default mode on VMS, this number is passed through as
2838 * both the NATIVE and UNIX status. Which makes it different
2839 * that the STATUS_UNIX_EXIT_SET.
2840 *
2841 * In the new POSIX EXIT mode, native status will be set so that the
2842 * actual exit code will can be retrieved by the calling program or
2843 * shell.
2844 *
1a3aec58
JM		 2845 * A POSIX exit code is from 0 to 255. If the exit code is higher
2846 * than this, it needs to be assumed that it is a VMS exit code and
2847 * passed through.
6ac6a52b
JM		 2848 */
2849
2850# define STATUS_EXIT_SET(n) \
2851 STMT_START { \
2852 I32 evalue = (I32)n; \
2853 PL_statusvalue = evalue; \
2854 if (MY_POSIX_EXIT) \
1a3aec58
JM		 2855 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
2856 PL_statusvalue_vms = \
2857 (C_FAC_POSIX | (evalue << 3 ) | \
2858 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 2859 else \
2860 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2861 set_vaxc_errno(PL_statusvalue_vms); \
2862 } STMT_END
2863
fb38d079
JM		 2864
2865 /* This macro forces a success status */
7a7fd8e0
JM		 2866# define STATUS_ALL_SUCCESS \
2867 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 2868
2869 /* This macro forces a failure status */
7a7fd8e0
JM		 2870# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2871 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2872 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2873
68dc0745 2874#else
e5218da5 2875# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2876# if defined(WCOREDUMP)
37038d91 2877# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2878 STMT_START { \
2879 PL_statusvalue_posix = (n); \
2880 if (PL_statusvalue_posix == -1) \
2881 PL_statusvalue = -1; \
2882 else { \
2883 PL_statusvalue = \
2884 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2885 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2886 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2887 } \
2888 } STMT_END
2889# elif defined(WIFEXITED)
37038d91 2890# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2891 STMT_START { \
2892 PL_statusvalue_posix = (n); \
2893 if (PL_statusvalue_posix == -1) \
2894 PL_statusvalue = -1; \
2895 else { \
2896 PL_statusvalue = \
2897 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2898 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2899 } \
2900 } STMT_END
2901# else
37038d91 2902# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2903 STMT_START { \
2904 PL_statusvalue_posix = (n); \
2905 if (PL_statusvalue_posix == -1) \
2906 PL_statusvalue = -1; \
2907 else { \
2908 PL_statusvalue = \
2909 PL_statusvalue_posix & 0xFFFF; \
2910 } \
2911 } STMT_END
2912# endif
2913# define STATUS_UNIX_SET(n) \
68dc0745 2914 STMT_START { \
3280af22
NIS		 2915 PL_statusvalue = (n); \
2916 if (PL_statusvalue != -1) \
2917 PL_statusvalue &= 0xFFFF; \
68dc0745 2918 } STMT_END
7a7fd8e0 2919# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2920# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2921# define STATUS_CURRENT STATUS_UNIX
37038d91 2922# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 2923# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2924# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 2925#endif
2926
cc3604b1
GS		 2927/* flags in PL_exit_flags for nature of exit() */
2928#define PERL_EXIT_EXPECTED 0x01
31d77e54 2929#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
6136213b
JGM		 2930#define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */
2931#define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */
cc3604b1 2932
b79b76e0 2933#ifndef PERL_CORE
a7cb1f99 2934/* format to use for version numbers in file/directory names */
273cf8d1 2935/* XXX move to Configure? */
b79b76e0
NC		 2936/* This was only ever used for the current version, and that can be done at
2937 compile time, as PERL_FS_VERSION, so should we just delete it? */
2938# ifndef PERL_FS_VER_FMT
2939# define PERL_FS_VER_FMT "%d.%d.%d"
2940# endif
2941#endif
2942
2943#ifndef PERL_FS_VERSION
2944# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS		 2945#endif
2946
45bc9206 2947/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2948 * performance issue, so we allow people to disable it. Also, if
2949 * we are using stdio, there are broken implementations of fflush(NULL)
2950 * out there, Solaris being the most prominent.
45bc9206
GS		 2951 */
2952#ifndef PERL_FLUSHALL_FOR_CHILD
97cb92d6 2953# if defined(USE_PERLIO) || defined(FFLUSH_NULL)
66fe083f 2954# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2955# else
2956# ifdef FFLUSH_ALL
2957# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2958# else
c5be433b 2959# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2960# endif
66fe083f 2961# endif
45bc9206
GS		 2962#endif
2963
7766f137
GS		 2964#ifndef PERL_WAIT_FOR_CHILDREN
2965# define PERL_WAIT_FOR_CHILDREN NOOP
2966#endif
2967
ba869deb 2968/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2969#ifndef PERL_SET_INTERP
2970# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2971#endif
2972
2973#ifndef PERL_GET_INTERP
2974# define PERL_GET_INTERP (PL_curinterp)
2975#endif
2976
54aff467 2977#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2978# ifdef MULTIPLICITY
ba869deb 2979# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2980# endif
ba869deb
GS		 2981# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2982#endif
2983
00f254e2 2984/*
8896765a 2985 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 2986 All that is required is that the perl source does not
00f254e2
KW		 2987 use "%-p" or "%-<number>p" or "%<number>p" formats.
2988 These formats will still work in perl code.
486ec47a 2989 See comments in sv.c for further details.
8896765a 2990
8896765a 2991 Robin Barker 2005-07-14
f46d31f2 2992
00f254e2 2993 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 2994*/
8896765a
RB		 2995
2996#ifndef SVf_
63ce7bf0 2997# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 2998#endif
2999
8896765a 3000#ifndef SVf
104abab4 3001# define SVf "-p"
d2560b70
RB		 3002#endif
3003
014ead4b 3004#ifndef SVf32
8896765a 3005# define SVf32 SVf_(32)
014ead4b
RB		 3006#endif
3007
3008#ifndef SVf256
8896765a
RB		 3009# define SVf256 SVf_(256)
3010#endif
3011
be2597df
MHM		 3012#define SVfARG(p) ((void*)(p))
3013
20023040
FC		 3014#ifndef HEKf
3015# define HEKf "2p"
3016#endif
3017
b8fa5213
FC		 3018/* Not ideal, but we cannot easily include a number in an already-numeric
3019 * format sequence. */
3020#ifndef HEKf256
3021# define HEKf256 "3p"
3022#endif
3023
20023040
FC		 3024#define HEKfARG(p) ((void*)(p))
3025
b17a0679
FC		 3026/* Takes three arguments: is_utf8, length, str */
3027#ifndef UTF8f
61608bb7 3028# define UTF8f "d%" UVuf "%4p"
b17a0679
FC		 3029#endif
3030#define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
3031
f46d31f2 3032#ifdef PERL_CORE
486ec47a 3033/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB		 3034# undef UVf
3035#else
170cd9e9
NC		 3036# ifndef UVf
3037# define UVf UVuf
3038# endif
d2560b70
RB		 3039#endif
3040
fcdf39cf
RGS		 3041#ifdef HASATTRIBUTE_DEPRECATED
3042# define __attribute__deprecated__ __attribute__((deprecated))
3043#endif
0dbb1585
AL		 3044#ifdef HASATTRIBUTE_FORMAT
3045# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3046#endif
3047#ifdef HASATTRIBUTE_MALLOC
77785eea 3048# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3049#endif
0dbb1585 3050#ifdef HASATTRIBUTE_NONNULL
abb2c242 3051# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3052#endif
0dbb1585 3053#ifdef HASATTRIBUTE_NORETURN
abb2c242 3054# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3055#endif
0dbb1585 3056#ifdef HASATTRIBUTE_PURE
abb2c242 3057# define __attribute__pure__ __attribute__((pure))
f22be1b8 3058#endif
0dbb1585
AL		 3059#ifdef HASATTRIBUTE_UNUSED
3060# define __attribute__unused__ __attribute__((unused))
3061#endif
3062#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3063# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3064#endif
3065
0dbb1585 3066/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3067#ifndef __attribute__deprecated__
3068# define __attribute__deprecated__
3069#endif
0dbb1585
AL		 3070#ifndef __attribute__format__
3071# define __attribute__format__(x,y,z)
3072#endif
f22be1b8 3073#ifndef __attribute__malloc__
abb2c242 3074# define __attribute__malloc__
f22be1b8
JH		 3075#endif
3076#ifndef __attribute__nonnull__
abb2c242 3077# define __attribute__nonnull__(a)
f22be1b8
JH		 3078#endif
3079#ifndef __attribute__noreturn__
abb2c242 3080# define __attribute__noreturn__
f22be1b8
JH		 3081#endif
3082#ifndef __attribute__pure__
abb2c242 3083# define __attribute__pure__
f22be1b8 3084#endif
0dbb1585
AL		 3085#ifndef __attribute__unused__
3086# define __attribute__unused__
3087#endif
f22be1b8 3088#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3089# define __attribute__warn_unused_result__
3090#endif
3091
0dbb1585
AL		 3092/* For functions that are marked as __attribute__noreturn__, it's not
3093 appropriate to call return. In either case, include the lint directive.
3094 */
3095#ifdef HASATTRIBUTE_NORETURN
ae103e09 3096# define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */
0dbb1585 3097#else
ae103e09 3098# define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */ return 0
abb2c242
JH		 3099#endif
3100
cdfeb707
RB		 3101/* Some OS warn on NULL format to printf */
3102#ifdef PRINTF_FORMAT_NULL_OK
3103# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3104#else
00f254e2 3105# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB		 3106#endif
3107
635aebb7 3108#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3109# define EXPECT(expr,val) __builtin_expect(expr,val)
3110#else
3111# define EXPECT(expr,val) (expr)
3112#endif
6d5abc62
NC		 3113#define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3114#define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
635aebb7
AL		 3115#ifdef HAS_BUILTIN_CHOOSE_EXPR
3116/* placeholder */
3117#endif
b37c2d43 3118
ae103e09
DD		 3119
3120#ifndef __has_builtin
3121# define __has_builtin(x) 0 /* not a clang style compiler */
3122#endif
3123
3124/* ASSUME is like assert(), but it has a benefit in a release build. It is a
3125 hint to a compiler about a statement of fact in a function call free
3126 expression, which allows the compiler to generate better machine code.
3127 In a debug build, ASSUME(x) is a synonym for assert(x). ASSUME(0) means
3128 the control path is unreachable. In a for loop, ASSUME can be used to hint
3129 that a loop will run atleast X times. ASSUME is based off MSVC's __assume
3130 intrinsic function, see its documents for more details.
3131*/
3132
3133#ifndef DEBUGGING
3134# if __has_builtin(__builtin_unreachable) \
3135 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 5) /* 4.5 -> */
3136# define ASSUME(x) ((x) ? (void) 0 : __builtin_unreachable())
3137# elif defined(_MSC_VER)
3138# define ASSUME(x) __assume(x)
3139# elif defined(__ARMCC_VERSION) /* untested */
3140# define ASSUME(x) __promise(x)
3141# else
3142/* a random compiler might define assert to its own special optimization token
3143 so pass it through to C lib as a last resort */
3144# define ASSUME(x) assert(x)
3145# endif
3146#else
3147# define ASSUME(x) assert(x)
3148#endif
3149
3150#define NOT_REACHED ASSUME(0)
3151
3fc1aec6 3152/* Some unistd.h's give a prototype for pause() even though
3153 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3154 below to be rejected by the compiler. Sigh.
3fc1aec6 3155*/
3156#ifdef HAS_PAUSE
3157#define Pause pause
3158#else
3159#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3160#endif
3161
3162#ifndef IOCPARM_LEN
3163# ifdef IOCPARM_MASK
61f1c44b 3164 /* on BSDish systems we're safe */
748a9306
LW		 3165# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3166# else
61f1c44b 3167# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3168 /* on Linux systems we're safe; except when we're not [perl #38223] */
3169# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3170# else
748a9306 3171 /* otherwise guess at what's safe */
61f1c44b
JVD		 3172# define IOCPARM_LEN(x) 256
3173# endif
748a9306 3174# endif
a0d0e21e
LW		 3175#endif
3176
1761cee5 3177#if defined(__CYGWIN__)
521e0776
GS		 3178/* USEMYBINMODE
3179 * This symbol, if defined, indicates that the program should
16fe6d59 3180 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3181 * that a file is in "binary" mode -- that is, that no translation
3182 * of bytes occurs on read or write operations.
3183 */
36894f0b 3184# define USEMYBINMODE /**/
77a40698 3185# include <io.h> /* for setmode() prototype */
16fe6d59 3186# define my_binmode(fp, iotype, mode) \
77a40698 3187 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3188#endif
3189
88d10794
JH		 3190#ifdef __CYGWIN__
3191void init_os_extras(void);
3192#endif
3193
cea2e8a9
GS		 3194#ifdef UNION_ANY_DEFINITION
3195UNION_ANY_DEFINITION;
3196#else
3197union any {
3198 void* any_ptr;
3199 I32 any_i32;
ae103e09 3200 U32 any_u32;
cea2e8a9 3201 IV any_iv;
c6bf6a65 3202 UV any_uv;
cea2e8a9 3203 long any_long;
9febdf04 3204 bool any_bool;
c76ac1ee 3205 void (*any_dptr) (void*);
acfe0abc 3206 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3207};
3208#endif
3209
acfe0abc 3210typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3211
3212#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3213#define FILTER_DATA(idx) \
3214 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3215#define FILTER_ISREADER(idx) \
3216 (PL_parser && PL_parser->rsfp_filters \
3217 && idx >= AvFILLp(PL_parser->rsfp_filters))
3218#define PERL_FILTER_EXISTS(i) \
3219 (PL_parser && PL_parser->rsfp_filters \
3220 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3221
c5078cac
JH		 3222#if defined(_AIX) && !defined(_AIX43)
3223#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3224/* We cannot include <crypt.h> to get the struct crypt_data
3225 * because of setkey prototype problems when threading */
3226typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3227 /* From OSF, Not needed in AIX
3228 char C[28], D[28];
3229 */
3230 char E[48];
3231 char KS[16][48];
3232 char block[66];
3233 char iobuf[16];
3234} CRYPTD;
3235#endif /* threading */
3236#endif /* AIX */
3237
e37778c2 3238#if !defined(OS2)
2c2d71f5
JH		 3239# include "iperlsys.h"
3240#endif
504f80c1 3241
9c12f1e5 3242#ifdef __LIBCATAMOUNT__
00f254e2 3243#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS		 3244#undef HAS_GROUP
3245#define FAKE_BIT_BUCKET
3246#endif
3247
d10dc2ae
JH		 3248/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3249 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3250 * defined by Configure, despite their names being similar to the
3251 * other defines like USE_ITHREADS. Configure in fact knows nothing
3252 * about the randomised hashes. Therefore to enable/disable the hash
3253 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3254#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3255# define USE_HASH_SEED
504f80c1
JH		 3256#endif
3257
598921a7
NC		 3258/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3259 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3260 * it's not really needed.
3261 */
3262#if defined(WIN32)
3263# define YYTOKENTYPE
3264#endif
3265#include "perly.h"
3266
3267#ifdef PERL_MAD
3268struct nexttoken {
3269 YYSTYPE next_val; /* value of next token, if any */
3270 I32 next_type; /* type of next token */
3271 MADPROP *next_mad; /* everything else about that token */
3272};
3273#endif
3274
654eccd5
JD		 3275/* macros to define bit-fields in structs. */
3276#ifndef PERL_BITFIELD8
3277# define PERL_BITFIELD8 unsigned
3278#endif
3279#ifndef PERL_BITFIELD16
3280# define PERL_BITFIELD16 unsigned
3281#endif
3282#ifndef PERL_BITFIELD32
3283# define PERL_BITFIELD32 unsigned
3284#endif
3285
79072805 3286#include "sv.h"
288b8c02 3287#include "regexp.h"
378cc40b 3288#include "util.h"
8d063cd8 3289#include "form.h"
79072805 3290#include "gv.h"
dd2155a4 3291#include "pad.h"
79072805 3292#include "cv.h"
abdd5c84 3293#include "opnames.h"
79072805 3294#include "op.h"
b3ca2e83 3295#include "hv.h"
79072805
LW		 3296#include "cop.h"
3297#include "av.h"
79072805
LW		 3298#include "mg.h"
3299#include "scope.h"
4438c4b7 3300#include "warnings.h"
a0ed51b3 3301#include "utf8.h"
8d063cd8 3302
0d7d409d
DM		 3303/* these would be in doio.h if there was such a file */
3304#define my_stat() my_stat_flags(SV_GMAGIC)
3305#define my_lstat() my_lstat_flags(SV_GMAGIC)
3306
20f4945e 3307/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM		 3308#undef _XPV_HEAD
3309#undef _XPVMG_HEAD
3310#undef _XPVCV_COMMON
7fae4e64
GS		 3311
3312typedef struct _sublex_info SUBLEXINFO;
3313struct _sublex_info {
651b5b28
NC		 3314 U8 super_state; /* lexer state to save */
3315 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3316 OP *sub_op; /* "lex_op" to use */
7cc34111 3317 SV *repl; /* replacement of s/// or y/// */
7fae4e64
GS		 3318};
3319
199e78b7
DM		 3320#include "parser.h"
3321
455ece5e 3322typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3323
2260ab51
KW		 3324#if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_REGEXEC_C)
3325
3326/* These have to be predeclared, as they are used in proto.h which is #included
3327 * before their definitions in regcomp.h. */
3328
3329struct scan_data_t;
3330struct regnode_charclass_class;
d1d040e5
KW		 3331
3332/* A hopefully less confusing name. The sub-classes are all Posix classes only
3333 * used under /l matching */
3334typedef struct regnode_charclass_class regnode_charclass_posixl;
31f05a37 3335typedef struct regnode_charclass_posixl_fold regnode_charclass_posixl_fold;
d1d040e5 3336
b8f7bb16 3337typedef struct regnode_ssc regnode_ssc;
09b2b2e6
KW		 3338typedef struct RExC_state_t RExC_state_t;
3339struct _reg_trie_data;
76e3520e 3340
2260ab51
KW		 3341#endif
3342
5f7fde29
GS		 3343struct ptr_tbl_ent {
3344 struct ptr_tbl_ent* next;
53c1dcc0 3345 const void* oldval;
5f7fde29 3346 void* newval;
d18c6117
GS		 3347};
3348
5f7fde29
GS		 3349struct ptr_tbl {
3350 struct ptr_tbl_ent** tbl_ary;
3351 UV tbl_max;
3352 UV tbl_items;
db93c0c4
NC		 3353 struct ptr_tbl_arena *tbl_arena;
3354 struct ptr_tbl_ent *tbl_arena_next;
3355 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS		 3356};
3357
fe14fcc3
LW		 3358#if defined(htonl) && !defined(HAS_HTONL)
3359#define HAS_HTONL
ae986130 3360#endif
fe14fcc3
LW		 3361#if defined(htons) && !defined(HAS_HTONS)
3362#define HAS_HTONS
ae986130 3363#endif
fe14fcc3
LW		 3364#if defined(ntohl) && !defined(HAS_NTOHL)
3365#define HAS_NTOHL
ae986130 3366#endif
fe14fcc3
LW		 3367#if defined(ntohs) && !defined(HAS_NTOHS)
3368#define HAS_NTOHS
ae986130 3369#endif
fe14fcc3 3370#ifndef HAS_HTONL
fe14fcc3
LW		 3371#define HAS_HTONS
3372#define HAS_HTONL
3373#define HAS_NTOHS
3374#define HAS_NTOHL
8e2d7c44
NC		 3375# if (BYTEORDER & 0xffff) == 0x4321
3376/* Big endian system, so ntohl, ntohs, htonl and htons 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 ntohl(x) ((x)&0xFFFFFFFF)
3380# define htonl(x) ntohl(x)
3381# define ntohs(x) ((x)&0xFFFF)
3382# define htons(x) ntohs(x)
e4b03fed
NC		 3383# elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3384
3385/* Note that we can't straight out declare our own htonl and htons because
3386 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
3387 to avoid the overhead of initialising the socket subsystem, but the headers
3388 that *declare* the various functions are still seen. If we declare our own
3389 htonl etc they will clash with the declarations in the Win32 headers. */
3390
3391PERL_STATIC_INLINE U32
3392my_swap32(const U32 x) {
3393 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
3394 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
3395}
3396
3397PERL_STATIC_INLINE U16
3398my_swap16(const U16 x) {
3399 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
3400}
3401
3402# define htonl(x) my_swap32(x)
3403# define ntohl(x) my_swap32(x)
3404# define ntohs(x) my_swap16(x)
3405# define htons(x) my_swap16(x)
8e2d7c44 3406# else
691a44df
NC		 3407# error "Unsupported byteorder"
3408/* The C pre-processor doesn't let us return the value of BYTEORDER as part of
3409 the error message. Please check the value of the macro BYTEORDER, as defined
3410 in config.h. The values of BYTEORDER we expect are
3411
3412 big endian little endian
3413 32 bit 0x4321 0x1234
3414 64 bit 0x87654321 0x12345678
3415
3416 If you have a system with a different byte order, please see
3417 pod/perlhack.pod for how to submit a patch to add supporting code.
3418*/
3419# endif
a687059c
LW		 3420#endif
3421
988174c1
LW		 3422/*
3423 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3424 * -DWS
3425 */
5ae72479 3426#if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
260c6fee
NC		 3427/* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
3428 re-order their values. However, to behave identically to the alternative
3429 implementations, they should truncate to the correct size. */
3430# define vtohl(x) ((x)&0xFFFFFFFF)
3431# define vtohs(x) ((x)&0xFFFF)
3432# define htovl(x) vtohl(x)
3433# define htovs(x) vtohs(x)
545872c5 3434#elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3435# define vtohl(x) ((((x)&0xFF)<<24) \
3436 +(((x)>>24)&0xFF) \
3437 +(((x)&0x0000FF00)<<8) \
3438 +(((x)&0x00FF0000)>>8) )
3439# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3440# define htovl(x) vtohl(x)
3441# define htovs(x) vtohs(x)
545872c5
NC		 3442#else
3443# error "Unsupported byteorder"
3444/* If you have need for current perl on PDP-11 or similar, and can help test
3445 that blead keeps working on a mixed-endian system, then see
3446 pod/perlhack.pod for how to submit patches to things working again. */
2a8c3029 3447#endif
988174c1 3448
3bb7c1b4
JH		 3449/* *MAX Plus 1. A floating point value.
3450 Hopefully expressed in a way that dodgy floating point can't mess up.
3451 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3452 is added to it
3453 May find that some broken compiler will want the value cast to I32.
3454 [after the shift, as signed >> may not be as secure as unsigned >>]
3455*/
3456#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3457#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3458/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3459 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3460 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3461*/
3462#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3463
3bb7c1b4
JH		 3464#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3465#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3466#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3467
3468/* This may look like unnecessary jumping through hoops, but converting
3469 out of range floating point values to integers *is* undefined behaviour,
3470 and it is starting to bite.
3471*/
3472#ifndef CAST_INLINE
65202027 3473#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3474#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3475#define I_V(what) (cast_iv((NV)(what)))
3476#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3477#else
3478#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3479 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3480 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3481#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3482 : ((n) < U32_MAX_P1 ? (U32) (n) \
3483 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3484#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3485 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3486 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3487#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3488 : ((n) < UV_MAX_P1 ? (UV) (n) \
3489 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3490#endif
3491
3492#define U_S(what) ((U16)U_32(what))
3493#define U_I(what) ((unsigned int)U_32(what))
3494#define U_L(what) U_32(what)
ed6116ce 3495
ed140128
AD		 3496#ifdef HAS_SIGNBIT
3497# define Perl_signbit signbit
3498#endif
3499
2d4389e4
JH		 3500/* These do not care about the fractional part, only about the range. */
3501#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3502#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3503
25da4f38
IZ		 3504/* Used with UV/IV arguments: */
3505 /* XXXX: need to speed it up */
3506#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3507#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3508
352d5a3a
LW		 3509#ifndef MAXSYSFD
3510# define MAXSYSFD 2
3511#endif
ee0007ab 3512
79072805 3513#ifndef __cplusplus
e37d7e38 3514#if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3515Uid_t getuid (void);
3516Uid_t geteuid (void);
3517Gid_t getgid (void);
3518Gid_t getegid (void);
79072805 3519#endif
e1caacb4 3520#endif
8d063cd8 3521
0c30d9ec 3522#ifndef Perl_debug_log
bf49b057
GS		 3523# define Perl_debug_log PerlIO_stderr()
3524#endif
3525
3526#ifndef Perl_error_log
3527# define Perl_error_log (PL_stderrgv \
6b78add2 3528 && isGV(PL_stderrgv) \
01bb7c6d 3529 && GvIOp(PL_stderrgv) \
42de951c 3530 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3531 ? IoOFP(GvIOp(PL_stderrgv)) \
3532 : PerlIO_stderr())
0c30d9ec 3533#endif
3967c732 3534
aea4f609
DM		 3535
3536#define DEBUG_p_FLAG 0x00000001 /* 1 */
3537#define DEBUG_s_FLAG 0x00000002 /* 2 */
3538#define DEBUG_l_FLAG 0x00000004 /* 4 */
3539#define DEBUG_t_FLAG 0x00000008 /* 8 */
3540#define DEBUG_o_FLAG 0x00000010 /* 16 */
3541#define DEBUG_c_FLAG 0x00000020 /* 32 */
3542#define DEBUG_P_FLAG 0x00000040 /* 64 */
3543#define DEBUG_m_FLAG 0x00000080 /* 128 */
3544#define DEBUG_f_FLAG 0x00000100 /* 256 */
3545#define DEBUG_r_FLAG 0x00000200 /* 512 */
3546#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3547#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3548/* U is reserved for Unofficial, exploratory hacking */
3549#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3550#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3551#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3552#define DEBUG_D_FLAG 0x00008000 /* 32768 */
56967202 3553#define DEBUG_S_FLAG 0x00010000 /* 65536 */
aea4f609 3554#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3555#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3556#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3557#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3558#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3559#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3560#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 3561#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3562#define DEBUG_B_FLAG 0x02000000 /*33554432*/
69014004
KW		 3563#define DEBUG_L_FLAG 0x04000000 /*67108864*/
3564#define DEBUG_MASK 0x07FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3565
3566#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3567#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3568 that something was done? */
aea4f609 3569
bd16a5f0
IZ		 3570# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3571# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3572# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3573# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3574# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3575# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3576# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3577# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3578# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3579# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3580# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3581# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3582# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3583# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3584# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3585# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
56967202 3586# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
bd16a5f0
IZ		 3587# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3588# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3589# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3590# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3591# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3592# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3593# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3594# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3595# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
69014004 3596# define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG)
dd2155a4 3597# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3598# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3599# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3600
3967c732 3601#ifdef DEBUGGING
aea4f609 3602
bd16a5f0
IZ		 3603# define DEBUG_p_TEST DEBUG_p_TEST_
3604# define DEBUG_s_TEST DEBUG_s_TEST_
3605# define DEBUG_l_TEST DEBUG_l_TEST_
3606# define DEBUG_t_TEST DEBUG_t_TEST_
3607# define DEBUG_o_TEST DEBUG_o_TEST_
3608# define DEBUG_c_TEST DEBUG_c_TEST_
3609# define DEBUG_P_TEST DEBUG_P_TEST_
3610# define DEBUG_m_TEST DEBUG_m_TEST_
3611# define DEBUG_f_TEST DEBUG_f_TEST_
3612# define DEBUG_r_TEST DEBUG_r_TEST_
3613# define DEBUG_x_TEST DEBUG_x_TEST_
3614# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3615# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3616# define DEBUG_H_TEST DEBUG_H_TEST_
3617# define DEBUG_X_TEST DEBUG_X_TEST_
3618# define DEBUG_D_TEST DEBUG_D_TEST_
56967202 3619# define DEBUG_S_TEST DEBUG_S_TEST_
bd16a5f0
IZ		 3620# define DEBUG_T_TEST DEBUG_T_TEST_
3621# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3622# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3623# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3624# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3625# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3626# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3627# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3628# define DEBUG_B_TEST DEBUG_B_TEST_
69014004 3629# define DEBUG_L_TEST DEBUG_L_TEST_
7949c6f5
JC		 3630# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3631# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3632# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3633
488b0c7a
JH		 3634# define PERL_DEB(a) a
3635# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3636# define DEBUG_p(a) if (DEBUG_p_TEST) a
3637# define DEBUG_s(a) if (DEBUG_s_TEST) a
3638# define DEBUG_l(a) if (DEBUG_l_TEST) a
3639# define DEBUG_t(a) if (DEBUG_t_TEST) a
3640# define DEBUG_o(a) if (DEBUG_o_TEST) a
3641# define DEBUG_c(a) if (DEBUG_c_TEST) a
3642# define DEBUG_P(a) if (DEBUG_P_TEST) a
3643
969058bb
VK		 3644 /* Temporarily turn off memory debugging in case the a
3645 * does memory allocation, either directly or indirectly. */
acfe0abc 3646# define DEBUG_m(a) \
0b250b9e 3647 STMT_START { \
aea4f609 3648 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3649 } STMT_END
aea4f609 3650
5f80b19c
AMS		 3651# define DEBUG__(t, a) \
3652 STMT_START { \
3653 if (t) STMT_START {a;} STMT_END; \
3654 } STMT_END
3655
3656# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3657#ifndef PERL_EXT_RE_BUILD
5f80b19c 3658# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3659#else
3660# define DEBUG_r(a) STMT_START {a;} STMT_END
3661#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3662# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3663# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3664# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3665# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3666# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3667# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3668# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3669# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3670# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3671
56967202 3672# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
5f80b19c
AMS		 3673# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3674# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3675# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3676# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3677# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3678# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3679# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3680# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
69014004 3681# define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
aea4f609
DM		 3682
3683#else /* DEBUGGING */
3684
3685# define DEBUG_p_TEST (0)
3686# define DEBUG_s_TEST (0)
3687# define DEBUG_l_TEST (0)
3688# define DEBUG_t_TEST (0)
3689# define DEBUG_o_TEST (0)
3690# define DEBUG_c_TEST (0)
3691# define DEBUG_P_TEST (0)
3692# define DEBUG_m_TEST (0)
3693# define DEBUG_f_TEST (0)
3694# define DEBUG_r_TEST (0)
3695# define DEBUG_x_TEST (0)
3696# define DEBUG_u_TEST (0)
88d2d28a 3697# define DEBUG_U_TEST (0)
aea4f609
DM		 3698# define DEBUG_H_TEST (0)
3699# define DEBUG_X_TEST (0)
3700# define DEBUG_D_TEST (0)
56967202 3701# define DEBUG_S_TEST (0)
aea4f609 3702# define DEBUG_T_TEST (0)
04932ac8 3703# define DEBUG_R_TEST (0)
1045810a 3704# define DEBUG_J_TEST (0)
d6721266 3705# define DEBUG_v_TEST (0)
46187eeb 3706# define DEBUG_C_TEST (0)
ecae49c0
NC		 3707# define DEBUG_A_TEST (0)
3708# define DEBUG_q_TEST (0)
d7c0d282 3709# define DEBUG_M_TEST (0)
cc8773c0 3710# define DEBUG_B_TEST (0)
69014004 3711# define DEBUG_L_TEST (0)
7949c6f5
JC		 3712# define DEBUG_Xv_TEST (0)
3713# define DEBUG_Uv_TEST (0)
ad9e76a8 3714# define DEBUG_Pv_TEST (0)
aea4f609 3715
488b0c7a
JH		 3716# define PERL_DEB(a)
3717# define PERL_DEBUG(a)
aea4f609
DM		 3718# define DEBUG_p(a)
3719# define DEBUG_s(a)
3720# define DEBUG_l(a)
3721# define DEBUG_t(a)
3722# define DEBUG_o(a)
3723# define DEBUG_c(a)
3724# define DEBUG_P(a)
3725# define DEBUG_m(a)
3726# define DEBUG_f(a)
3727# define DEBUG_r(a)
3728# define DEBUG_x(a)
3729# define DEBUG_u(a)
88d2d28a 3730# define DEBUG_U(a)
aea4f609
DM		 3731# define DEBUG_H(a)
3732# define DEBUG_X(a)
3733# define DEBUG_D(a)
56967202 3734# define DEBUG_S(a)
aea4f609 3735# define DEBUG_T(a)
04932ac8 3736# define DEBUG_R(a)
d6721266 3737# define DEBUG_v(a)
46187eeb 3738# define DEBUG_C(a)
ecae49c0
NC		 3739# define DEBUG_A(a)
3740# define DEBUG_q(a)
d7c0d282 3741# define DEBUG_M(a)
cc8773c0 3742# define DEBUG_B(a)
69014004 3743# define DEBUG_L(a)
7949c6f5
JC		 3744# define DEBUG_Xv(a)
3745# define DEBUG_Uv(a)
ad9e76a8 3746# define DEBUG_Pv(a)
aea4f609
DM		 3747#endif /* DEBUGGING */
3748
3749
b4ab917c 3750#define DEBUG_SCOPE(where) \
d9f81b50 3751 DEBUG_l( \
1c98cc53
DM		 3752 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
3753 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
d9f81b50 3754 __FILE__, __LINE__));
b4ab917c 3755
de84dc04
NC		 3756#if defined(DEBUGGING) && defined(I_ASSERT)
3757# include <assert.h>
3758#endif
3759
3760/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3761 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3762
de84dc04 3763#define Perl_assert(what) PERL_DEB( \
2b057284 3764 ((what) ? ((void) 0) : \
67eb4d30 3765 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3766 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3767 (void) 0)))
de84dc04
NC		 3768
3769#ifndef assert
3770# define assert(what) Perl_assert(what)
a446a88f 3771#endif
c7724415
FC		 3772#ifdef DEBUGGING
3773# define assert_(what) assert(what),
3774#else
3775# define assert_(what)
3776#endif
8d063cd8 3777
450a55e4 3778struct ufuncs {
24f81a43
DM		 3779 I32 (*uf_val)(pTHX_ IV, SV*);
3780 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3781 IV uf_index;
450a55e4
LW		 3782};
3783
14befaf4 3784/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3785 * XS code wanting to be backward compatible can do something
3786 * like the following:
c745e42c 3787
24f81a43 3788#ifndef PERL_MG_UFUNC
24f81a43
DM		 3789#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3790#endif
3791
3792static PERL_MG_UFUNC(foo_get, index, val)
3793{
3794 sv_setsv(val, ...);
3795 return TRUE;
3796}
3797
3798-- Doug MacEachern
3799
3800*/
3801
fc9c74e6 3802#ifndef PERL_MG_UFUNC
24f81a43 3803#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3804#endif
24f81a43 3805
fe14fcc3 3806/* Fix these up for __STDC__ */
68dc0745 3807#ifndef DONT_DECLARE_STD
20ce7b12 3808char *mktemp (char*);
37bd1396 3809#ifndef atof
20ce7b12 3810double atof (const char*);
a0d0e21e 3811#endif
37bd1396 3812#endif
79072805 3813
352d5a3a 3814#ifndef STANDARD_C
fe14fcc3 3815/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3816Time_t time();
8d063cd8 3817struct tm *gmtime(), *localtime();
043fec90 3818#if defined(OEMVS)
9d116dd7
JH		 3819char *(strchr)(), *(strrchr)();
3820char *(strcpy)(), *(strcat)();
3821#else
93a17b20 3822char *strchr(), *strrchr();
378cc40b 3823char *strcpy(), *strcat();
9d116dd7 3824#endif
352d5a3a 3825#endif /* ! STANDARD_C */
8d063cd8 3826
79072805
LW		 3827
3828#ifdef I_MATH
3829# include <math.h>
3830#else
32f822de 3831START_EXTERN_C
20ce7b12
GS		 3832 double exp (double);
3833 double log (double);
3834 double log10 (double);
3835 double sqrt (double);
3836 double frexp (double,int*);
3837 double ldexp (double,int);
3838 double modf (double,double*);
3839 double sin (double);
3840 double cos (double);
3841 double atan2 (double,double);
3842 double pow (double,double);
32f822de 3843END_EXTERN_C
79072805
LW		 3844#endif
3845
aa8b85de
JH		 3846#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3847# define NV_INF LDBL_INFINITY
3848#endif
3849#if !defined(NV_INF) && defined(DBL_INFINITY)
3850# define NV_INF (NV)DBL_INFINITY
3851#endif
3852#if !defined(NV_INF) && defined(INFINITY)
3853# define NV_INF (NV)INFINITY
3854#endif
3855#if !defined(NV_INF) && defined(INF)
3856# define NV_INF (NV)INF
3857#endif
3858#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3859# define NV_INF (NV)HUGE_VALL
3860#endif
3861#if !defined(NV_INF) && defined(HUGE_VAL)
3862# define NV_INF (NV)HUGE_VAL
3863#endif
3864
3865#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3866# if !defined(NV_NAN) && defined(LDBL_NAN)
3867# define NV_NAN LDBL_NAN
3868# endif
3869# if !defined(NV_NAN) && defined(LDBL_QNAN)
3870# define NV_NAN LDBL_QNAN
3871# endif
3872# if !defined(NV_NAN) && defined(LDBL_SNAN)
3873# define NV_NAN LDBL_SNAN
3874# endif
3875#endif
3876#if !defined(NV_NAN) && defined(DBL_NAN)
3877# define NV_NAN (NV)DBL_NAN
3878#endif
3879#if !defined(NV_NAN) && defined(DBL_QNAN)
3880# define NV_NAN (NV)DBL_QNAN
3881#endif
3882#if !defined(NV_NAN) && defined(DBL_SNAN)
3883# define NV_NAN (NV)DBL_SNAN
3884#endif
3885#if !defined(NV_NAN) && defined(QNAN)
3886# define NV_NAN (NV)QNAN
3887#endif
3888#if !defined(NV_NAN) && defined(SNAN)
3889# define NV_NAN (NV)SNAN
3890#endif
3891#if !defined(NV_NAN) && defined(NAN)
3892# define NV_NAN (NV)NAN
3893#endif
3894
a0d0e21e 3895#ifndef __cplusplus
8f1f23e8 3896# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3897char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3898# else
fd8cd3a3 3899# if !defined(WIN32) && !defined(VMS)
10bc17b6 3900#ifndef crypt
20ce7b12 3901char *crypt (const char*, const char*);
10bc17b6 3902#endif
5014db98 3903# endif /* !WIN32 */
8f1f23e8 3904# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3905# ifndef DONT_DECLARE_STD
3906# ifndef getenv
20ce7b12 3907char *getenv (const char*);
26618a56 3908# endif /* !getenv */
739a0b84 3909# if !defined(HAS_LSEEK_PROTO) && !defined(__hpux)
0fc67700 3910# ifdef _FILE_OFFSET_BITS
28ca6303 3911# if _FILE_OFFSET_BITS == 64
20ce7b12 3912Off_t lseek (int,Off_t,int);
0fc67700
JH		 3913# endif
3914# endif
bf0c440f 3915# endif
26618a56 3916# endif /* !DONT_DECLARE_STD */
e37d7e38
SH		 3917# ifndef WIN32
3918# ifndef getlogin
20ce7b12 3919char *getlogin (void);
e37d7e38
SH		 3920# endif
3921# endif /* !WIN32 */
26618a56 3922#endif /* !__cplusplus */
79072805 3923
7a7fd8e0
JM		 3924/* Fixme on VMS. This needs to be a run-time, not build time options */
3925/* Also rename() is affected by this */
16d20bd9 3926#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3927#define UNLINK unlnk
083639a9 3928I32 unlnk (pTHX_ const char*);
8d063cd8 3929#else
80252599 3930#define UNLINK PerlLIO_unlink
8d063cd8 3931#endif
a687059c 3932
fa0a29af
JH		 3933/* some versions of glibc are missing the setresuid() proto */
3934#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3935int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3936#endif
fa0a29af
JH		 3937/* some versions of glibc are missing the setresgid() proto */
3938#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3939int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3940#endif
3941
fe14fcc3 3942#ifndef HAS_SETREUID
85e6fe83
LW		 3943# ifdef HAS_SETRESUID
3944# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3945# define HAS_SETREUID
3946# endif
a687059c 3947#endif
fe14fcc3 3948#ifndef HAS_SETREGID
85e6fe83
LW		 3949# ifdef HAS_SETRESGID
3950# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3951# define HAS_SETREGID
3952# endif
a687059c 3953#endif
ee0007ab 3954
d543acb6 3955/* Sighandler_t defined in iperlsys.h */
ff68c719 3956
3957#ifdef HAS_SIGACTION
3958typedef struct sigaction Sigsave_t;
3959#else
3960typedef Sighandler_t Sigsave_t;
3961#endif
3962
ee0007ab
LW		 3963#define SCAN_DEF 0
3964#define SCAN_TR 1
3965#define SCAN_REPL 2
79072805
LW		 3966
3967#ifdef DEBUGGING
4633a7c4 3968# ifndef register
a0d0e21e
LW		 3969# define register
3970# endif
cea2e8a9 3971# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3972#else
cea2e8a9 3973# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 3974#endif
3975
97cb92d6 3976#if defined(USE_PERLIO)
0934c9d9 3977EXTERN_C void PerlIO_teardown(void);
2f44961c 3978# ifdef USE_ITHREADS
6cb8cb21
RGS		 3979# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
3980# define PERLIO_TERM \
3981 STMT_START { \
d0820ef1 3982 PerlIO_teardown(); \
6cb8cb21
RGS		 3983 MUTEX_DESTROY(&PL_perlio_mutex);\
3984 } STMT_END
3985# else
3986# define PERLIO_INIT
d0820ef1 3987# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 3988# endif
6b29934b
NC		 3989#else
3990# define PERLIO_INIT
3991# define PERLIO_TERM
6cb8cb21
RGS		 3992#endif
3993
18f739ee 3994#ifdef MYMALLOC
772fe5b3 3995# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 3996# define MALLOC_INIT \
3997 STMT_START { \
3998 PL_malloc_mutex = NULL; \
3999 MUTEX_INIT(&PL_malloc_mutex); \
4000 } STMT_END
4001# define MALLOC_TERM \
4002 STMT_START { \
4003 perl_mutex tmp = PL_malloc_mutex; \
4004 PL_malloc_mutex = NULL; \
4005 MUTEX_DESTROY(&tmp); \
4006 } STMT_END
4007# else
4008# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4009# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4010# endif
18f739ee
IZ		 4011#else
4012# define MALLOC_INIT
4013# define MALLOC_TERM
4014#endif
4015
cd1541b2 4016#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 4017
4018struct perl_memory_debug_header;
cd1541b2
NC		 4019struct perl_memory_debug_header {
4020 tTHX interpreter;
b001a0d1 4021# if defined(PERL_POISON) || defined(PERL_DEBUG_READONLY_COW)
cd1541b2 4022 MEM_SIZE size;
cd1541b2 4023# endif
7cb608b5
NC		 4024 struct perl_memory_debug_header *prev;
4025 struct perl_memory_debug_header *next;
b001a0d1
FC		 4026# ifdef PERL_DEBUG_READONLY_COW
4027 bool readonly;
4028# endif
4029};
4030
4031#elif defined(PERL_DEBUG_READONLY_COW)
4032
4033struct perl_memory_debug_header;
4034struct perl_memory_debug_header {
4035 MEM_SIZE size;
cd1541b2
NC		 4036};
4037
b001a0d1
FC		 4038#endif
4039
60175f94 4040#if defined (PERL_TRACK_MEMPOOL) || defined (PERL_DEBUG_READONLY_COW)
b001a0d1 4041
a78adc84
DM		 4042# define PERL_MEMORY_DEBUG_HEADER_SIZE \
4043 (sizeof(struct perl_memory_debug_header) + \
cd1541b2
NC		 4044 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4045 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4046
d8fca402 4047#else
a78adc84 4048# define PERL_MEMORY_DEBUG_HEADER_SIZE 0
cd1541b2
NC		 4049#endif
4050
7cb608b5 4051#ifdef PERL_TRACK_MEMPOOL
b001a0d1 4052# ifdef PERL_DEBUG_READONLY_COW
7cb608b5
NC		 4053# define INIT_TRACK_MEMPOOL(header, interp) \
4054 STMT_START { \
4055 (header).interpreter = (interp); \
4056 (header).prev = (header).next = &(header); \
b001a0d1 4057 (header).readonly = 0; \
7cb608b5 4058 } STMT_END
b001a0d1
FC		 4059# else
4060# define INIT_TRACK_MEMPOOL(header, interp) \
4061 STMT_START { \
4062 (header).interpreter = (interp); \
4063 (header).prev = (header).next = &(header); \
4064 } STMT_END
4065# endif
4066# else
7cb608b5
NC		 4067# define INIT_TRACK_MEMPOOL(header, interp)
4068#endif
4069
1cd66f7c
DD		 4070#ifdef I_MALLOCMALLOC
4071/* Needed for malloc_size(), malloc_good_size() on some systems */
4072# include <malloc/malloc.h>
4073#endif
4074
ca7c1a29
NC		 4075#ifdef MYMALLOC
4076# define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
cfe52898 4077#else
b001a0d1 4078# if defined(HAS_MALLOC_SIZE) && !defined(PERL_DEBUG_READONLY_COW)
e82be400 4079# ifdef PERL_TRACK_MEMPOOL
cfe52898 4080# define Perl_safesysmalloc_size(where) \
a78adc84 4081 (malloc_size(((char *)(where)) - PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
e82be400
NC		 4082# else
4083# define Perl_safesysmalloc_size(where) malloc_size(where)
4084# endif
4085# endif
4086# ifdef HAS_MALLOC_GOOD_SIZE
4087# ifdef PERL_TRACK_MEMPOOL
d8fca402 4088# define Perl_malloc_good_size(how_much) \
a78adc84 4089 (malloc_good_size((how_much) + PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
e82be400
NC		 4090# else
4091# define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4092# endif
4093# else
d8fca402
NC		 4094/* Having this as the identity operation makes some code simpler. */
4095# define Perl_malloc_good_size(how_much) (how_much)
e82be400 4096# endif
ca7c1a29 4097#endif
b6d9d515 4098
16c91539
BM		 4099typedef int (*runops_proc_t)(pTHX);
4100typedef void (*share_proc_t) (pTHX_ SV *sv);
4101typedef int (*thrhook_proc_t) (pTHX);
4102typedef OP* (*PPADDR_t[]) (pTHX);
4103typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4104typedef void (*despatch_signals_proc_t) (pTHX);
22c35a8c 4105
8f1f23e8
W		 4106/* NeXT has problems with crt0.o globals */
4107#if defined(__DYNAMIC__) && \
6239f2da 4108 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 4109# if defined(NeXT) || defined(__NeXT)
4110# include <mach-o/dyld.h>
4111# define environ (*environ_pointer)
0c30d9ec 4112EXT char *** environ_pointer;
8f1f23e8 4113# else
6239f2da 4114# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 4115# include <crt_externs.h> /* for the env array */
4116# define environ (*_NSGetEnviron())
4117# endif
0c30d9ec 4118# endif
8f1f23e8
W		 4119#else
4120 /* VMS and some other platforms don't use the environ array */
13b6e58c 4121# ifdef USE_ENVIRON_ARRAY
a6c40364 4122# if !defined(DONT_DECLARE_STD) || \
bdea967c 4123 (defined(__svr4__) && defined(__GNUC__) && defined(__sun)) || \
8d87852b 4124 defined(__sgi)
8f1f23e8 4125extern char ** environ; /* environment variables supplied via exec */
a6c40364 4126# endif
8f1f23e8
W		 4127# endif
4128#endif
79072805 4129
457c5385
NC		 4130#define PERL_PATCHLEVEL_H_IMPLICIT
4131#include "patchlevel.h"
4132#undef PERL_PATCHLEVEL_H_IMPLICIT
4133
4134#define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4135 STRINGIFY(PERL_VERSION) "." \
4136 STRINGIFY(PERL_SUBVERSION)
4137
4138#define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4139 STRINGIFY(PERL_API_VERSION) "." \
4140 STRINGIFY(PERL_API_SUBVERSION)
4141
73c4f7a1
GS		 4142START_EXTERN_C
4143
79072805 4144/* handy constants */
22c35a8c 4145EXTCONST char PL_warn_uninit[]
29489e7c 4146 INIT("Use of uninitialized value%s%s%s");
fef7e7a0 4147EXTCONST char PL_warn_uninit_sv[]
61608bb7 4148 INIT("Use of uninitialized value%" SVf "%s%s");
22c35a8c 4149EXTCONST char PL_warn_nosemi[]
463ee0b2 4150 INIT("Semicolon seems to be missing");
22c35a8c 4151EXTCONST char PL_warn_reserved[]
463ee0b2 4152 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4153EXTCONST char PL_warn_nl[]
93a17b20 4154 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4155EXTCONST char PL_no_wrongref[]
a0d0e21e 4156 INIT("Can't use %s ref as %s ref");
def89bff
NC		 4157/* The core no longer needs these here. If you require the string constant,
4158 please inline a copy into your own code. */
973a7615
NC		 4159EXTCONST char PL_no_symref[] __attribute__deprecated__
4160 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
def89bff
NC		 4161EXTCONST char PL_no_symref_sv[] __attribute__deprecated__
4162 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 4163EXTCONST char PL_no_usym[]
8990e307 4164 INIT("Can't use an undefined value as %s reference");
22c35a8c 4165EXTCONST char PL_no_aelem[]
93a17b20 4166 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4167EXTCONST char PL_no_helem_sv[]
61608bb7 4168 INIT("Modification of non-creatable hash value attempted, subscript \"%" SVf "\"");
22c35a8c 4169EXTCONST char PL_no_modify[]
93a17b20 4170 INIT("Modification of a read-only value attempted");
4cbe3a7d 4171EXTCONST char PL_no_mem[sizeof("Out of memory!\n")]
93a17b20 4172 INIT("Out of memory!\n");
22c35a8c 4173EXTCONST char PL_no_security[]
463ee0b2 4174 INIT("Insecure dependency in %s%s");
22c35a8c 4175EXTCONST char PL_no_sock_func[]
93a17b20 4176 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4177EXTCONST char PL_no_dir_func[]
93a17b20 4178 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4179EXTCONST char PL_no_func[]
93a17b20 4180 INIT("The %s function is unimplemented");
22c35a8c 4181EXTCONST char PL_no_myglob[]
952306ac 4182 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 4183EXTCONST char PL_no_localize_ref[]
4184 INIT("Can't localize through a reference");
27d5b266
JH		 4185EXTCONST char PL_memory_wrap[]
4186 INIT("panic: memory wrap");
93a17b20 4187
58f645e2
NC		 4188EXTCONST char PL_Yes[]
4189 INIT("1");
4190EXTCONST char PL_No[]
4191 INIT("");
4192EXTCONST char PL_hexdigit[]
4193 INIT("0123456789abcdef0123456789ABCDEF");
4194
0447859b
NC		 4195/* This is constant on most architectures, a global on OS/2 */
4196#ifndef OS2
4197EXTCONST char PL_sh_path[]
4198 INIT(SH_PATH); /* full path of shell */
4199#endif
4200
618b9757
NC		 4201#ifdef CSH
4202EXTCONST char PL_cshname[]
4203 INIT(CSH);
4204# define PL_cshlen (sizeof(CSH "") - 1)
4205#endif
4206
457c5385
NC		 4207/* These are baked at compile time into any shared perl library.
4208 In future releases this will allow us in main() to sanity test the
4209 library we're linking against. */
4210
4211EXTCONST U8 PL_revision
4212 INIT(PERL_REVISION);
4213EXTCONST U8 PL_version
4214 INIT(PERL_VERSION);
4215EXTCONST U8 PL_subversion
4216 INIT(PERL_SUBVERSION);
4217
7575fa06 4218EXTCONST char PL_uuemap[65]
80252599
GS		 4219 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4220
79072805 4221#ifdef DOINIT
9444d213 4222EXTCONST char PL_uudmap[256] =
dde5ec2c
NC		 4223# ifdef PERL_MICRO
4224# include "uuudmap.h"
4225# else
4226# include "uudmap.h"
4227# endif
9444d213 4228;
efa50c51 4229EXTCONST char PL_bitcount[256] =
dde5ec2c
NC		 4230# ifdef PERL_MICRO
4231# include "ubitcount.h"
4232#else
4233# include "bitcount.h"
4234# endif
efa50c51 4235;
27da23d5
JH		 4236EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4237EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4238#else
9444d213 4239EXTCONST char PL_uudmap[256];
efa50c51 4240EXTCONST char PL_bitcount[256];
27da23d5
JH		 4241EXTCONST char* const PL_sig_name[];
4242EXTCONST int PL_sig_num[];
79072805
LW		 4243#endif
4244
6d8e7a01
KW		 4245/* fast conversion and case folding tables. The folding tables complement the
4246 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4247 * folds such as outside the range or to multiple characters. */
bbce6d69 4248
79072805 4249#ifdef DOINIT
d02f4dad
KW		 4250#ifndef EBCDIC
4251
4252/* The EBCDIC fold table depends on the code page, and hence is found in
4253 * utfebcdic.h */
4254
22c35a8c 4255EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4256 0, 1, 2, 3, 4, 5, 6, 7,
4257 8, 9, 10, 11, 12, 13, 14, 15,
4258 16, 17, 18, 19, 20, 21, 22, 23,
4259 24, 25, 26, 27, 28, 29, 30, 31,
4260 32, 33, 34, 35, 36, 37, 38, 39,
4261 40, 41, 42, 43, 44, 45, 46, 47,
4262 48, 49, 50, 51, 52, 53, 54, 55,
4263 56, 57, 58, 59, 60, 61, 62, 63,
4264 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4265 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4266 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4267 'x', 'y', 'z', 91, 92, 93, 94, 95,
4268 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4269 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4270 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4271 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4272 128, 129, 130, 131, 132, 133, 134, 135,
4273 136, 137, 138, 139, 140, 141, 142, 143,
4274 144, 145, 146, 147, 148, 149, 150, 151,
4275 152, 153, 154, 155, 156, 157, 158, 159,
4276 160, 161, 162, 163, 164, 165, 166, 167,
4277 168, 169, 170, 171, 172, 173, 174, 175,
4278 176, 177, 178, 179, 180, 181, 182, 183,
4279 184, 185, 186, 187, 188, 189, 190, 191,
4280 192, 193, 194, 195, 196, 197, 198, 199,
4281 200, 201, 202, 203, 204, 205, 206, 207,
4282 208, 209, 210, 211, 212, 213, 214, 215,
4283 216, 217, 218, 219, 220, 221, 222, 223,
4284 224, 225, 226, 227, 228, 229, 230, 231,
4285 232, 233, 234, 235, 236, 237, 238, 239,
4286 240, 241, 242, 243, 244, 245, 246, 247,
4287 248, 249, 250, 251, 252, 253, 254, 255
4288};
3871f40b
KW		 4289EXTCONST unsigned char PL_fold_latin1[] = {
4290 /* Full latin1 complement folding, except for three problematic code points:
4291 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4292 * fold complements outside the Latin1 range, so can't match something
4293 * that isn't in utf8.
4294 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4295 * not one, so can't be represented in this table.
4296 *
4297 * All have to be specially handled */
4298 0, 1, 2, 3, 4, 5, 6, 7,
4299 8, 9, 10, 11, 12, 13, 14, 15,
4300 16, 17, 18, 19, 20, 21, 22, 23,
4301 24, 25, 26, 27, 28, 29, 30, 31,
4302 32, 33, 34, 35, 36, 37, 38, 39,
4303 40, 41, 42, 43, 44, 45, 46, 47,
4304 48, 49, 50, 51, 52, 53, 54, 55,
4305 56, 57, 58, 59, 60, 61, 62, 63,
4306 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4307 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4308 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4309 'x', 'y', 'z', 91, 92, 93, 94, 95,
4310 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4311 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4312 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4313 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4314 128, 129, 130, 131, 132, 133, 134, 135,
4315 136, 137, 138, 139, 140, 141, 142, 143,
4316 144, 145, 146, 147, 148, 149, 150, 151,
4317 152, 153, 154, 155, 156, 157, 158, 159,
4318 160, 161, 162, 163, 164, 165, 166, 167,
4319 168, 169, 170, 171, 172, 173, 174, 175,
4320 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4321 184, 185, 186, 187, 188, 189, 190, 191,
4322 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4323 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4324 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4325 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4326 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4327 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4328 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4329 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4330 255 /* y with diaeresis */
4331};
00f254e2
KW		 4332
4333/* If these tables are accessed through ebcdic, the access will be converted to
4334 * latin1 first */
4335EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4336 0, 1, 2, 3, 4, 5, 6, 7,
4337 8, 9, 10, 11, 12, 13, 14, 15,
4338 16, 17, 18, 19, 20, 21, 22, 23,
4339 24, 25, 26, 27, 28, 29, 30, 31,
4340 32, 33, 34, 35, 36, 37, 38, 39,
4341 40, 41, 42, 43, 44, 45, 46, 47,
4342 48, 49, 50, 51, 52, 53, 54, 55,
4343 56, 57, 58, 59, 60, 61, 62, 63,
4344 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4345 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4346 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4347 'x', 'y', 'z', 91, 92, 93, 94, 95,
4348 96, 97, 98, 99, 100, 101, 102, 103,
4349 104, 105, 106, 107, 108, 109, 110, 111,
4350 112, 113, 114, 115, 116, 117, 118, 119,
4351 120, 121, 122, 123, 124, 125, 126, 127,
4352 128, 129, 130, 131, 132, 133, 134, 135,
4353 136, 137, 138, 139, 140, 141, 142, 143,
4354 144, 145, 146, 147, 148, 149, 150, 151,
4355 152, 153, 154, 155, 156, 157, 158, 159,
4356 160, 161, 162, 163, 164, 165, 166, 167,
4357 168, 169, 170, 171, 172, 173, 174, 175,
4358 176, 177, 178, 179, 180, 181, 182, 183,
4359 184, 185, 186, 187, 188, 189, 190, 191,
4360 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4361 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4362 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4363 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4364 224, 225, 226, 227, 228, 229, 230, 231,
4365 232, 233, 234, 235, 236, 237, 238, 239,
4366 240, 241, 242, 243, 244, 245, 246, 247,
4367 248, 249, 250, 251, 252, 253, 254, 255
4368};
4369
4370/* upper and title case of latin1 characters, modified so that the three tricky
4371 * ones are mapped to 255 (which is one of the three) */
4372EXTCONST unsigned char PL_mod_latin1_uc[] = {
4373 0, 1, 2, 3, 4, 5, 6, 7,
4374 8, 9, 10, 11, 12, 13, 14, 15,
4375 16, 17, 18, 19, 20, 21, 22, 23,
4376 24, 25, 26, 27, 28, 29, 30, 31,
4377 32, 33, 34, 35, 36, 37, 38, 39,
4378 40, 41, 42, 43, 44, 45, 46, 47,
4379 48, 49, 50, 51, 52, 53, 54, 55,
4380 56, 57, 58, 59, 60, 61, 62, 63,
4381 64, 65, 66, 67, 68, 69, 70, 71,
4382 72, 73, 74, 75, 76, 77, 78, 79,
4383 80, 81, 82, 83, 84, 85, 86, 87,
4384 88, 89, 90, 91, 92, 93, 94, 95,
4385 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4386 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4387 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4388 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4389 128, 129, 130, 131, 132, 133, 134, 135,
4390 136, 137, 138, 139, 140, 141, 142, 143,
4391 144, 145, 146, 147, 148, 149, 150, 151,
4392 152, 153, 154, 155, 156, 157, 158, 159,
4393 160, 161, 162, 163, 164, 165, 166, 167,
4394 168, 169, 170, 171, 172, 173, 174, 175,
4395 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4396 184, 185, 186, 187, 188, 189, 190, 191,
4397 192, 193, 194, 195, 196, 197, 198, 199,
4398 200, 201, 202, 203, 204, 205, 206, 207,
4399 208, 209, 210, 211, 212, 213, 214, 215,
4400 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/,
4401 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4402 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4403 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4404 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4405};
1248eb9d 4406#endif /* !EBCDIC, but still in DOINIT */
00f254e2 4407#else /* ! DOINIT */
1248eb9d 4408# ifndef EBCDIC
22c35a8c 4409EXTCONST unsigned char PL_fold[];
3871f40b 4410EXTCONST unsigned char PL_fold_latin1[];
00f254e2
KW		 4411EXTCONST unsigned char PL_mod_latin1_uc[];
4412EXTCONST unsigned char PL_latin1_lc[];
1248eb9d 4413# endif
79072805
LW		 4414#endif
4415
27da23d5 4416#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4417#ifdef DOINIT
27da23d5 4418EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4419 0, 1, 2, 3, 4, 5, 6, 7,
4420 8, 9, 10, 11, 12, 13, 14, 15,
4421 16, 17, 18, 19, 20, 21, 22, 23,
4422 24, 25, 26, 27, 28, 29, 30, 31,
4423 32, 33, 34, 35, 36, 37, 38, 39,
4424 40, 41, 42, 43, 44, 45, 46, 47,
4425 48, 49, 50, 51, 52, 53, 54, 55,
4426 56, 57, 58, 59, 60, 61, 62, 63,
4427 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4428 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4429 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4430 'x', 'y', 'z', 91, 92, 93, 94, 95,
4431 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4432 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4433 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4434 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4435 128, 129, 130, 131, 132, 133, 134, 135,
4436 136, 137, 138, 139, 140, 141, 142, 143,
4437 144, 145, 146, 147, 148, 149, 150, 151,
4438 152, 153, 154, 155, 156, 157, 158, 159,
4439 160, 161, 162, 163, 164, 165, 166, 167,
4440 168, 169, 170, 171, 172, 173, 174, 175,
4441 176, 177, 178, 179, 180, 181, 182, 183,
4442 184, 185, 186, 187, 188, 189, 190, 191,
4443 192, 193, 194, 195, 196, 197, 198, 199,
4444 200, 201, 202, 203, 204, 205, 206, 207,
4445 208, 209, 210, 211, 212, 213, 214, 215,
4446 216, 217, 218, 219, 220, 221, 222, 223,
4447 224, 225, 226, 227, 228, 229, 230, 231,
4448 232, 233, 234, 235, 236, 237, 238, 239,
4449 240, 241, 242, 243, 244, 245, 246, 247,
4450 248, 249, 250, 251, 252, 253, 254, 255
4451};
4452#else
27da23d5 4453EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4454#endif
27da23d5 4455#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4456
4457#ifdef DOINIT
9d116dd7 4458#ifdef EBCDIC
27da23d5 4459EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4460 1, 2, 84, 151, 154, 155, 156, 157,
4461 165, 246, 250, 3, 158, 7, 18, 29,
4462 40, 51, 62, 73, 85, 96, 107, 118,
4463 129, 140, 147, 148, 149, 150, 152, 153,
4464 255, 6, 8, 9, 10, 11, 12, 13,
4465 14, 15, 24, 25, 26, 27, 28, 226,
4466 29, 30, 31, 32, 33, 43, 44, 45,
4467 46, 47, 48, 49, 50, 76, 77, 78,
4468 79, 80, 81, 82, 83, 84, 85, 86,
4469 87, 94, 95, 234, 181, 233, 187, 190,
4470 180, 96, 97, 98, 99, 100, 101, 102,
4471 104, 112, 182, 174, 236, 232, 229, 103,
4472 228, 226, 114, 115, 116, 117, 118, 119,
4473 120, 121, 122, 235, 176, 230, 194, 162,
4474 130, 131, 132, 133, 134, 135, 136, 137,
4475 138, 139, 201, 205, 163, 217, 220, 224,
4476 5, 248, 227, 244, 242, 255, 241, 231,
4477 240, 253, 16, 197, 19, 20, 21, 187,
4478 23, 169, 210, 245, 237, 249, 247, 239,
4479 168, 252, 34, 196, 36, 37, 38, 39,
4480 41, 42, 251, 254, 238, 223, 221, 213,
4481 225, 177, 52, 53, 54, 55, 56, 57,
4482 58, 59, 60, 61, 63, 64, 65, 66,
4483 67, 68, 69, 70, 71, 72, 74, 75,
4484 205, 208, 186, 202, 200, 218, 198, 179,
4485 178, 214, 88, 89, 90, 91, 92, 93,
4486 217, 166, 170, 207, 199, 209, 206, 204,
4487 160, 212, 105, 106, 108, 109, 110, 111,
4488 203, 113, 216, 215, 192, 175, 193, 243,
4489 172, 161, 123, 124, 125, 126, 127, 128,
4490 222, 219, 211, 195, 188, 193, 185, 184,
4491 191, 183, 141, 142, 143, 144, 145, 146
4492};
4493#else /* ascii rather than ebcdic */
22c35a8c 4494EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4495 1, 2, 84, 151, 154, 155, 156, 157,
4496 165, 246, 250, 3, 158, 7, 18, 29,
4497 40, 51, 62, 73, 85, 96, 107, 118,
4498 129, 140, 147, 148, 149, 150, 152, 153,
4499 255, 182, 224, 205, 174, 176, 180, 217,
4500 233, 232, 236, 187, 235, 228, 234, 226,
4501 222, 219, 211, 195, 188, 193, 185, 184,
4502 191, 183, 201, 229, 181, 220, 194, 162,
4503 163, 208, 186, 202, 200, 218, 198, 179,
4504 178, 214, 166, 170, 207, 199, 209, 206,
4505 204, 160, 212, 216, 215, 192, 175, 173,
4506 243, 172, 161, 190, 203, 189, 164, 230,
4507 167, 248, 227, 244, 242, 255, 241, 231,
4508 240, 253, 169, 210, 245, 237, 249, 247,
4509 239, 168, 252, 251, 254, 238, 223, 221,
4510 213, 225, 177, 197, 171, 196, 159, 4,
4511 5, 6, 8, 9, 10, 11, 12, 13,
4512 14, 15, 16, 17, 19, 20, 21, 22,
4513 23, 24, 25, 26, 27, 28, 30, 31,
4514 32, 33, 34, 35, 36, 37, 38, 39,
4515 41, 42, 43, 44, 45, 46, 47, 48,
4516 49, 50, 52, 53, 54, 55, 56, 57,
4517 58, 59, 60, 61, 63, 64, 65, 66,
4518 67, 68, 69, 70, 71, 72, 74, 75,
4519 76, 77, 78, 79, 80, 81, 82, 83,
4520 86, 87, 88, 89, 90, 91, 92, 93,
4521 94, 95, 97, 98, 99, 100, 101, 102,
4522 103, 104, 105, 106, 108, 109, 110, 111,
4523 112, 113, 114, 115, 116, 117, 119, 120,
4524 121, 122, 123, 124, 125, 126, 127, 128,
4525 130, 131, 132, 133, 134, 135, 136, 137,
4526 138, 139, 141, 142, 143, 144, 145, 146
4527};
9d116dd7 4528#endif
79072805 4529#else
22c35a8c 4530EXTCONST unsigned char PL_freq[];
79072805
LW		 4531#endif
4532
b0812ba3
DM		 4533/* Although only used for debugging, these constants must be available in
4534 * non-debugging builds too, since they're used in ext/re/re_exec.c,
4535 * which has DEBUGGING enabled always */
8990e307 4536#ifdef DOINIT
27da23d5 4537EXTCONST char* const PL_block_type[] = {
8990e307 4538 "NULL",
d01136d6 4539 "WHEN",
8990e307 4540 "BLOCK",
0d863452 4541 "GIVEN",
d01136d6
BS		 4542 "LOOP_FOR",
4543 "LOOP_PLAIN",
4544 "LOOP_LAZYSV",
4545 "LOOP_LAZYIV",
76753e7f
NC		 4546 "SUB",
4547 "FORMAT",
4548 "EVAL",
4549 "SUBST"
8990e307
LW		 4550};
4551#else
22c35a8c 4552EXTCONST char* PL_block_type[];
8990e307 4553#endif
8990e307 4554
b75885fd
NC		 4555/* These are all the compile time options that affect binary compatibility.
4556 Other compile time options that are binary compatible are in perl.c
4557 Both are combined for the output of perl -V
4558 However, this string will be embedded in any shared perl library, which will
4559 allow us add a comparison check in perlmain.c in the near future. */
4560#ifdef DOINIT
4561EXTCONST char PL_bincompat_options[] =
4562# ifdef DEBUG_LEAKING_SCALARS
4563 " DEBUG_LEAKING_SCALARS"
4564# endif
4565# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4566 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4567# endif
eba804b9
NC		 4568# ifdef FCRYPT
4569 " FCRYPT"
4570# endif
4571# ifdef HAS_TIMES
4572 " HAS_TIMES"
4573# endif
4574# ifdef HAVE_INTERP_INTERN
426f6eb2 4575 " HAVE_INTERP_INTERN"
eba804b9 4576# endif
b75885fd
NC		 4577# ifdef MULTIPLICITY
4578 " MULTIPLICITY"
4579# endif
4580# ifdef MYMALLOC
4581 " MYMALLOC"
4582# endif
eba804b9
NC		 4583# ifdef PERLIO_LAYERS
4584 " PERLIO_LAYERS"
4585# endif
b75885fd
NC		 4586# ifdef PERL_DEBUG_READONLY_OPS
4587 " PERL_DEBUG_READONLY_OPS"
4588# endif
4589# ifdef PERL_GLOBAL_STRUCT
4590 " PERL_GLOBAL_STRUCT"
4591# endif
4592# ifdef PERL_IMPLICIT_CONTEXT
4593 " PERL_IMPLICIT_CONTEXT"
4594# endif
4595# ifdef PERL_IMPLICIT_SYS
4596 " PERL_IMPLICIT_SYS"
4597# endif
4598# ifdef PERL_MAD
4599 " PERL_MAD"
4600# endif
eba804b9
NC		 4601# ifdef PERL_MICRO
4602 " PERL_MICRO"
4603# endif
b75885fd
NC		 4604# ifdef PERL_NEED_APPCTX
4605 " PERL_NEED_APPCTX"
4606# endif
4607# ifdef PERL_NEED_TIMESBASE
4608 " PERL_NEED_TIMESBASE"
4609# endif
4610# ifdef PERL_OLD_COPY_ON_WRITE
4611 " PERL_OLD_COPY_ON_WRITE"
4612# endif
4613# ifdef PERL_POISON
4614 " PERL_POISON"
4615# endif
5b50f57e
FC		 4616# ifdef PERL_SAWAMPERSAND
4617 " PERL_SAWAMPERSAND"
4618# endif
b75885fd
NC		 4619# ifdef PERL_TRACK_MEMPOOL
4620 " PERL_TRACK_MEMPOOL"
4621# endif
4622# ifdef PERL_USES_PL_PIDSTATUS
4623 " PERL_USES_PL_PIDSTATUS"
4624# endif
b75885fd
NC		 4625# ifdef USE_64_BIT_ALL
4626 " USE_64_BIT_ALL"
4627# endif
4628# ifdef USE_64_BIT_INT
4629 " USE_64_BIT_INT"
4630# endif
c7b392fa
NC		 4631# ifdef USE_IEEE
4632 " USE_IEEE"
4633# endif
b75885fd
NC		 4634# ifdef USE_ITHREADS
4635 " USE_ITHREADS"
4636# endif
4637# ifdef USE_LARGE_FILES
4638 " USE_LARGE_FILES"
4639# endif
eba804b9
NC		 4640# ifdef USE_LOCALE_COLLATE
4641 " USE_LOCALE_COLLATE"
4642# endif
4643# ifdef USE_LOCALE_NUMERIC
4644 " USE_LOCALE_NUMERIC"
4645# endif
b75885fd
NC		 4646# ifdef USE_LONG_DOUBLE
4647 " USE_LONG_DOUBLE"
4648# endif
4649# ifdef USE_PERLIO
4650 " USE_PERLIO"
4651# endif
4652# ifdef USE_REENTRANT_API
4653 " USE_REENTRANT_API"
4654# endif
b75885fd
NC		 4655# ifdef USE_SOCKS
4656 " USE_SOCKS"
4657# endif
4f575702
CB		 4658# ifdef VMS_DO_SOCKETS
4659 " VMS_DO_SOCKETS"
4f575702 4660# endif
e8b231c6
CB		 4661# ifdef VMS_SHORTEN_LONG_SYMBOLS
4662 " VMS_SHORTEN_LONG_SYMBOLS"
4663# endif
ad5e438d
NC		 4664# ifdef VMS_WE_ARE_CASE_SENSITIVE
4665 " VMS_SYMBOL_CASE_AS_IS"
4666# endif
a68dd89e 4667 "";
b75885fd
NC		 4668#else
4669EXTCONST char PL_bincompat_options[];
4670#endif
4671
ca7b837b
SM		 4672#ifndef PERL_SET_PHASE
4673# define PERL_SET_PHASE(new_phase) \
cb3f8189 4674 PHASE_CHANGE_PROBE(PL_phase_names[new_phase], PL_phase_names[PL_phase]); \
ca7b837b
SM		 4675 PL_phase = new_phase;
4676#endif
4677
9ebf26ad
FR		 4678/* The interpreter phases. If these ever change, PL_phase_names right below will
4679 * need to be updated accordingly. */
4680enum perl_phase {
4681 PERL_PHASE_CONSTRUCT = 0,
4682 PERL_PHASE_START = 1,
4683 PERL_PHASE_CHECK = 2,
4684 PERL_PHASE_INIT = 3,
4685 PERL_PHASE_RUN = 4,
4686 PERL_PHASE_END = 5,
4687 PERL_PHASE_DESTRUCT = 6
4688};
4689
4690#ifdef DOINIT
4691EXTCONST char *const PL_phase_names[] = {
4692 "CONSTRUCT",
4693 "START",
4694 "CHECK",
4695 "INIT",
4696 "RUN",
4697 "END",
4698 "DESTRUCT"
4699};
4700#else
4701EXTCONST char *const PL_phase_names[];
4702#endif
4703
627364f1
FR		 4704#ifndef PERL_CORE
4705/* Do not use this macro. It only exists for extensions that rely on PL_dirty
4706 * instead of using the newer PL_phase, which provides everything PL_dirty
4707 * provided, and more. */
4708# define PL_dirty (PL_phase == PERL_PHASE_DESTRUCT)
66978156
FC		 4709
4710# define PL_amagic_generation PL_na
627364f1
FR		 4711#endif /* !PERL_CORE */
4712
823ac2c8
FC		 4713#define PL_hints PL_compiling.cop_hints
4714
73c4f7a1
GS		 4715END_EXTERN_C
4716
79072805
LW		 4717/*****************************************************************************/
4718/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4719/*****************************************************************************/
8990e307 4720/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4721
d4c3c482 4722#ifdef __Lynx__
9cffb111
OS		 4723/* LynxOS defines these in scsi.h which is included via ioctl.h */
4724#ifdef FORMAT
4725#undef FORMAT
4726#endif
4727#ifdef SPACE
4728#undef SPACE
4729#endif
d4c3c482 4730#endif
9cffb111 4731
fb73857a 4732#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4733
79072805
LW		 4734typedef enum {
4735 XOPERATOR,
4736 XTERM,
79072805 4737 XREF,
8990e307 4738 XSTATE,
a0d0e21e 4739 XBLOCK,
09bef843
SB		 4740 XATTRBLOCK,
4741 XATTRTERM,
6f33ba73 4742 XTERMBLOCK,
89f35911 4743 XPOSTDEREF,
6f33ba73 4744 XTERMORDORDOR /* evil hack */
27308ded 4745 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4746} expectation;
4747
d5ec2987
NC		 4748/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4749 special and there is no need for HINT_PRIVATE_MASK for COPs
538e84ed
KW		 4750 However, bitops store HINT_INTEGER in their op_private.
4751
4752 NOTE: The typical module using these has the bit value hard-coded, so don't
4753 blindly change the values of these */
9cfe5470
RGS		 4754#define HINT_INTEGER 0x00000001 /* integer pragma */
4755#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4756#define HINT_LOCALE 0x00000004 /* locale pragma */
4757#define HINT_BYTES 0x00000008 /* bytes pragma */
66cbab2c 4758#define HINT_LOCALE_NOT_CHARS 0x00000010 /* locale ':not_characters' pragma */
894ea76b
FC		 4759
4760#define HINT_EXPLICIT_STRICT_REFS 0x00000020 /* strict.pm */
4761#define HINT_EXPLICIT_STRICT_SUBS 0x00000040 /* strict.pm */
4762#define HINT_EXPLICIT_STRICT_VARS 0x00000080 /* strict.pm */
85e6fe83
LW		 4763
4764#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4765#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4766#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
1863b879 4767#define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */
85e6fe83 4768
9cfe5470 4769/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4770#define HINT_NEW_INTEGER 0x00001000
4771#define HINT_NEW_FLOAT 0x00002000
4772#define HINT_NEW_BINARY 0x00004000
4773#define HINT_NEW_STRING 0x00008000
4774#define HINT_NEW_RE 0x00010000
4775#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 4776#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4777#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 4778
9cfe5470
RGS		 4779#define HINT_RE_TAINT 0x00100000 /* re pragma */
4780#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4781
9cfe5470
RGS		 4782#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4783#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4784
e46c382e
YK		 4785#define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
4786
1e215989
FC		 4787#define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */
4788
a803b9b4
FC		 4789#define HINT_FEATURE_MASK 0x1c000000 /* 3 bits for feature bundles */
4790
894ea76b
FC		 4791 /* Note: Used for NATIVE_HINTS, currently
4792 defined by vms/vmsish.h:
4793 0x40000000
4794 0x80000000
4795 */
d1718a7c 4796
0239f47c 4797/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4798#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4799#define HINT_SORT_QUICKSORT 0x00000001
4800#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4801#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4802
d3b97530
DM		 4803/* flags for PL_sawampersand */
4804
4805#define SAWAMPERSAND_LEFT 1 /* saw $` */
4806#define SAWAMPERSAND_MIDDLE 2 /* saw $& */
4807#define SAWAMPERSAND_RIGHT 4 /* saw $' */
4808
1a904fc8
FC		 4809#ifndef PERL_SAWAMPERSAND
4810# define PL_sawampersand \
4811 (SAWAMPERSAND_LEFT|SAWAMPERSAND_MIDDLE|SAWAMPERSAND_RIGHT)
4812#endif
4813
8bfdd7d9 4814/* Various states of the input record separator SV (rs) */
d4cce5f1 4815#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4816#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4817#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4818#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4819
128e8167 4820/* A struct for keeping various DEBUGGING related stuff,
ce333219 4821 * neatly packed. Currently only scratch variables for
128e8167
JH		 4822 * constructing debug output are included. Needed always,
4823 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4824struct perl_debug_pad {
4825 SV pad[3];
4826};
4827
4828#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4829#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4830 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4831 PERL_DEBUG_PAD(i))
ce333219 4832
56953603 4833/* Enable variables which are pointers to functions */
16c91539
BM		 4834typedef void (*peep_t)(pTHX_ OP* o);
4835typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm);
4836typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg,
0cb96387
GS		 4837 char* strend, char* strbeg, I32 minend,
4838 SV* screamer, void* data, U32 flags);
16c91539 4839typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv,
f722798b
IZ		 4840 char *strpos, char *strend,
4841 U32 flags,
9f61653a 4842 re_scream_pos_data *d);
16c91539
BM		 4843typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog);
4844typedef void (*regfree_t) (pTHX_ struct regexp* r);
4845typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param);
a932d541 4846typedef I32 (*re_fold_t)(const char *, char const *, I32);
56953603 4847
c76ac1ee 4848typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc 4849typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
f30de749 4850typedef void (*SVFUNC_t) (pTHX_ SV* const);
31e9e0a3 4851typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
acfe0abc
GS		 4852typedef void (*XSINIT_t) (pTHX);
4853typedef void (*ATEXIT_t) (pTHX_ void*);
4854typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4855
16c91539
BM		 4856typedef OP* (*Perl_ppaddr_t)(pTHX);
4857typedef OP* (*Perl_check_t) (pTHX_ OP*);
4858typedef void(*Perl_ophook_t)(pTHX_ OP*);
4859typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**);
1830b3d9 4860typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *);
88e1f1a2 4861
d67594ff
FC		 4862typedef void(*globhook_t)(pTHX);
4863
88e1f1a2
JV		 4864#define KEYWORD_PLUGIN_DECLINE 0
4865#define KEYWORD_PLUGIN_STMT 1
4866#define KEYWORD_PLUGIN_EXPR 2
22239a37 4867
58a50f62
GS		 4868/* Interpreter exitlist entry */
4869typedef struct exitlistentry {
acfe0abc 4870 void (*fn) (pTHX_ void*);
58a50f62
GS		 4871 void *ptr;
4872} PerlExitListEntry;
4873
aadb217d
JH		 4874/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4875/* These have to be before perlvars.h */
4876#if !defined(HAS_SIGACTION) && defined(VMS)
4877# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4878#endif
4879/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4880#if defined(KILL_BY_SIGPRC)
4881# define FAKE_DEFAULT_SIGNAL_HANDLERS
4882#endif
4883
8c1cc017
NC		 4884#if !defined(MULTIPLICITY)
4885
4886struct interpreter {
4887 char broiled;
22239a37
NIS		 4888};
4889
8c1cc017 4890#else
22239a37 4891
d460ef45 4892/* If we have multiple interpreters define a struct
d4cce5f1 4893 holding variables which must be per-interpreter
d460ef45 4894 If we don't have threads anything that would have
d4cce5f1
NIS		 4895 be per-thread is per-interpreter.
4896*/
4897
8c1cc017 4898/* Set up PERLVAR macros for populating structs */
115ff745 4899# define PERLVAR(prefix,var,type) type prefix##var;
eb42f199
KW		 4900
4901/* 'var' is an array of length 'n' */
115ff745 4902# define PERLVARA(prefix,var,n,type) type prefix##var[n];
eb42f199
KW		 4903
4904/* initialize 'var' to init' */
115ff745 4905# define PERLVARI(prefix,var,type,init) type prefix##var;
eb42f199
KW		 4906
4907/* like PERLVARI, but make 'var' a const */
115ff745 4908# define PERLVARIC(prefix,var,type,init) type prefix##var;
8c1cc017 4909
79072805 4910struct interpreter {
7766f137 4911# include "intrpvar.h"
49f531da 4912};
d4cce5f1 4913
724cf8d6
NC		 4914EXTCONST U16 PL_interp_size
4915 INIT(sizeof(struct interpreter));
4916
4917# define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \
4918 STRUCT_OFFSET(struct interpreter, member) + \
4919 sizeof(((struct interpreter*)0)->member)
4920
4921/* This will be useful for subsequent releases, because this has to be the
4922 same in your libperl as in main(), else you have a mismatch and must abort.
4923*/
d399cf59
NC		 4924EXTCONST U16 PL_interp_size_5_18_0
4925 INIT(PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_18_0_INTERP_MEMBER));
724cf8d6
NC		 4926
4927
8c1cc017
NC		 4928# ifdef PERL_GLOBAL_STRUCT
4929/* MULTIPLICITY is automatically defined when PERL_GLOBAL_STRUCT is defined,
4930 hence it's safe and sane to nest this within #ifdef MULTIPLICITY */
4931
4932struct perl_vars {
4933# include "perlvars.h"
49f531da 4934};
8c1cc017 4935
724cf8d6
NC		 4936EXTCONST U16 PL_global_struct_size
4937 INIT(sizeof(struct perl_vars));
4938
8c1cc017
NC		 4939# ifdef PERL_CORE
4940# ifndef PERL_GLOBAL_STRUCT_PRIVATE
4941EXT struct perl_vars PL_Vars;
4942EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
4943# undef PERL_GET_VARS
4944# define PERL_GET_VARS() PL_VarsPtr
4945# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
4946# else /* PERL_CORE */
4947# if !defined(__GNUC__) || !defined(WIN32)
4948EXT
4949# endif /* WIN32 */
4950struct perl_vars *PL_VarsPtr;
4951# define PL_Vars (*((PL_VarsPtr) \
4952 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
4953# endif /* PERL_CORE */
4954# endif /* PERL_GLOBAL_STRUCT */
79072805 4955
22239a37 4956/* Done with PERLVAR macros for now ... */
8c1cc017
NC		 4957# undef PERLVAR
4958# undef PERLVARA
4959# undef PERLVARI
4960# undef PERLVARIC
8c1cc017
NC		 4961
4962#endif /* MULTIPLICITY */
79072805 4963
f7fe979e 4964struct tempsym; /* defined in pp_pack.c */
49704364 4965
22239a37 4966#include "thread.h"
79072805 4967#include "pp.h"
864dbfa3
GS		 4968
4969#ifndef PERL_CALLCONV
a0c21aa1
JH		 4970# ifdef __cplusplus
4971# define PERL_CALLCONV extern "C"
4972# else
4973# define PERL_CALLCONV
4974# endif
d460ef45 4975#endif
12a2785c
DD		 4976#ifndef PERL_CALLCONV_NO_RET
4977# define PERL_CALLCONV_NO_RET PERL_CALLCONV
4978#endif
4979
98c015b7
DD		 4980/* PERL_STATIC_NO_RET is supposed to be equivalent to STATIC on builds that
4981 dont have a noreturn as a declaration specifier
4982*/
4983#ifndef PERL_STATIC_NO_RET
4984# define PERL_STATIC_NO_RET STATIC
4985#endif
4986/* PERL_STATIC_NO_RET is supposed to be equivalent to PERL_STATIC_INLINE on
4987 builds that dont have a noreturn as a declaration specifier
4988*/
4989#ifndef PERL_STATIC_INLINE_NO_RET
4990# define PERL_STATIC_INLINE_NO_RET PERL_STATIC_INLINE
4991#endif
4992
4993
0cb96387
GS		 4994#undef PERL_CKDEF
4995#undef PERL_PPDEF
0159f81b
JH		 4996#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
4997#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 4998
158cfab6
JD		 4999#ifdef MYMALLOC
5000# include "malloc_ctl.h"
5001#endif
5002
7766f137 5003#include "proto.h"
864dbfa3 5004
0cb96387 5005/* this has structure inits, so it cannot be included before here */
acfe0abc 5006#include "opcode.h"
864dbfa3 5007
d4cce5f1
NIS		 5008/* The following must follow proto.h as #defines mess up syntax */
5009
22c35a8c
GS		 5010#if !defined(PERL_FOR_X2P)
5011# include "embedvar.h"
5012#endif
598921a7
NC		 5013#ifndef PERL_MAD
5014# undef PL_madskills
5015# undef PL_xmlfp
5016# define PL_madskills 0
5017# define PL_xmlfp 0
5018#endif
d4cce5f1 5019
d460ef45 5020/* Now include all the 'global' variables
d4cce5f1 5021 * If we don't have threads or multiple interpreters
d460ef45 5022 * these include variables that would have been their struct-s
d4cce5f1 5023 */
d460ef45 5024
115ff745
NC		 5025#define PERLVAR(prefix,var,type) EXT type PL_##var;
5026#define PERLVARA(prefix,var,n,type) EXT type PL_##var[n];
5027#define PERLVARI(prefix,var,type,init) EXT type PL_##var INIT(init);
5028#define PERLVARIC(prefix,var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 5029
acfe0abc 5030#if !defined(MULTIPLICITY)
7766f137 5031START_EXTERN_C
066ef5b5 5032# include "intrpvar.h"
7766f137 5033END_EXTERN_C
22239a37
NIS		 5034#endif
5035
24792b8d
NC		 5036#ifdef PERL_CORE
5037/* All core uses now exterminated. Ensure no zombies can return: */
5038# undef PL_na
5039#endif
5040
f9293c5b
NC		 5041/* Now all the config stuff is setup we can include embed.h
5042 In particular, need the relevant *ish file included already, as it may
5043 define HAVE_INTERP_INTERN */
5044#include "embed.h"
5045#ifndef PERL_MAD
5046# undef op_getmad
5047# define op_getmad(arg,pegop,slot) NOOP
acfe0abc 5048#endif
22239a37 5049
c5be433b
GS		 5050#ifndef PERL_GLOBAL_STRUCT
5051START_EXTERN_C
5052
5053# include "perlvars.h"
5054
5055END_EXTERN_C
5056#endif
5057
d4cce5f1 5058#undef PERLVAR
51371543 5059#undef PERLVARA
d4cce5f1 5060#undef PERLVARI
0f3f18a6 5061#undef PERLVARIC
79072805 5062
73c4f7a1
GS		 5063START_EXTERN_C
5064
af2f0da9
NC		 5065/* dummy variables that hold pointers to both runops functions, thus forcing
5066 * them *both* to get linked in (useful for Peek.xs, debugging etc) */
5067
5068EXTCONST runops_proc_t PL_runops_std
5069 INIT(Perl_runops_standard);
5070EXTCONST runops_proc_t PL_runops_dbg
5071 INIT(Perl_runops_debug);
5072
bc028b6b
JH		 5073/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
5074 * magic vtables const, but this is incompatible with SWIG which
5075 * does want to modify the vtables. */
5076#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5077# define EXT_MGVTBL EXTCONST MGVTBL
5078#else
5079# define EXT_MGVTBL EXT MGVTBL
5080#endif
5081
82ff486e 5082#define PERL_MAGIC_READONLY_ACCEPTABLE 0x40
e0a73de4
NC		 5083#define PERL_MAGIC_VALUE_MAGIC 0x80
5084#define PERL_MAGIC_VTABLE_MASK 0x3F
82ff486e
NC		 5085#define PERL_MAGIC_TYPE_READONLY_ACCEPTABLE(t) \
5086 (PL_magic_data[(U8)(t)] & PERL_MAGIC_READONLY_ACCEPTABLE)
e0a73de4
NC		 5087#define PERL_MAGIC_TYPE_IS_VALUE_MAGIC(t) \
5088 (PL_magic_data[(U8)(t)] & PERL_MAGIC_VALUE_MAGIC)
5089
8b09643d 5090#include "mg_vtable.h"
6f83ef0e
NC		 5091
5092#ifdef DOINIT
5093EXTCONST U8 PL_magic_data[256] =
dde5ec2c
NC		 5094# ifdef PERL_MICRO
5095# include "umg_data.h"
5096# else
5097# include "mg_data.h"
5098# endif
6f83ef0e
NC		 5099;
5100#else
5101EXTCONST U8 PL_magic_data[256];
5102#endif
5103
f1fb8741 5104#ifdef DOINIT
e94d9b54 5105 /* NL IV NV PV INV PI PN MG RX GV LV AV HV CV FM IO */
f1fb8741 5106EXTCONST bool
e94d9b54 5107PL_valid_types_IVX[] = { 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
f1fb8741 5108EXTCONST bool
e94d9b54 5109PL_valid_types_NVX[] = { 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
f1fb8741 5110EXTCONST bool
d361b004 5111PL_valid_types_PVX[] = { 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1 };
f1fb8741 5112EXTCONST bool
e94d9b54 5113PL_valid_types_RV[] = { 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1 };
f1fb8741 5114EXTCONST bool
e94d9b54 5115PL_valid_types_IV_set[] = { 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1 };
f1fb8741 5116EXTCONST bool
e94d9b54 5117PL_valid_types_NV_set[] = { 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 };
f1fb8741
DM		 5118
5119#else
5120
5121EXTCONST bool PL_valid_types_IVX[];
5122EXTCONST bool PL_valid_types_NVX[];
5123EXTCONST bool PL_valid_types_PVX[];
5124EXTCONST bool PL_valid_types_RV[];
5125EXTCONST bool PL_valid_types_IV_set[];
5126EXTCONST bool PL_valid_types_NV_set[];
5127
5128#endif
5129
c7627e6d
NC		 5130#ifndef PERL_NO_INLINE_FUNCTIONS
5131/* Static inline funcs that depend on includes and declarations above.
5132 Some of these reference functions in the perl object files, and some
5133 compilers aren't smart enough to eliminate unused static inline
5134 functions, so including this file in source code can cause link errors
5135 even if the source code uses none of the functions. Hence including these
5136 can be be suppressed by setting PERL_NO_INLINE_FUNCTIONS. Doing this will
5137 (obviously) result in unworkable XS code, but allows simple probing code
5138 to continue to work, because it permits tests to include the perl headers
5139 for definitions without creating a link dependency on the perl library
5140 (which may not exist yet).
5141*/
5142
5143# include "inline.h"
5144#endif
f1fb8741 5145
bab3dc31 5146#include "overload.h"
a0d0e21e 5147
73c4f7a1
GS		 5148END_EXTERN_C
5149
a6006777 5150struct am_table {
8978b4ac
NC		 5151 U8 flags;
5152 U8 fallback;
5153 U16 spare;
eb160463 5154 U32 was_ok_sub;
9bd87817 5155 CV* table[NofAMmeth];
a0d0e21e 5156};
a6006777 5157struct am_table_short {
8978b4ac
NC		 5158 U8 flags;
5159 U8 fallback;
5160 U16 spare;
eb160463 5161 U32 was_ok_sub;
a6006777 5162};
a0d0e21e 5163typedef struct am_table AMT;
a6006777 5164typedef struct am_table_short AMTS;
a0d0e21e
LW		 5165
5166#define AMGfallNEVER 1
5167#define AMGfallNO 2
5168#define AMGfallYES 3
5169
a6006777 5170#define AMTf_AMAGIC 1
5171#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5172#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5173#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
5174
32251b26 5175#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5176
5177/*
5178 * some compilers like to redefine cos et alia as faster
5179 * (and less accurate?) versions called F_cos et cetera (Quidquid
5180 * latine dictum sit, altum viditur.) This trick collides with
5181 * the Perl overloading (amg). The following #defines fool both.
5182 */
5183
5184#ifdef _FASTMATH
5185# ifdef atan2
5186# define F_atan2_amg atan2_amg
5187# endif
5188# ifdef cos
5189# define F_cos_amg cos_amg
5190# endif
5191# ifdef exp
5192# define F_exp_amg exp_amg
5193# endif
5194# ifdef log
5195# define F_log_amg log_amg
5196# endif
5197# ifdef pow
5198# define F_pow_amg pow_amg
5199# endif
5200# ifdef sin
5201# define F_sin_amg sin_amg
5202# endif
5203# ifdef sqrt
5204# define F_sqrt_amg sqrt_amg
5205# endif
5206#endif /* _FASTMATH */
5207
83ee9e09
GS		 5208#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5209 PERLDBf_NOOPT | PERLDBf_INTER | \
5210 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
b8fcbefe
NC		 5211 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5212 PERLDBf_SAVESRC)
925cfbb8 5213 /* No _NONAME, _GOTO */
83ee9e09
GS		 5214#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5215#define PERLDBf_LINE 0x02 /* Keep line # */
5216#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5217#define PERLDBf_INTER 0x08 /* Preserve more data for
5218 later inspections */
5219#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5220#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5221#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5222#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5223#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5224#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
b8fcbefe 5225#define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
486ec47a 5226#define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */
c30d8139 5227#define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
84902520 5228
3280af22
NIS		 5229#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5230#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5231#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5232#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5233#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5234#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5235#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5236#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5237#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5238#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
b8fcbefe 5239#define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC))
c30d8139
NC		 5240#define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS))
5241#define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID))
bbce6d69 5242
36477c24 5243#ifdef USE_LOCALE_NUMERIC
bbce6d69 5244
c8bf5ca7 5245/* Returns TRUE if the plain locale pragma without a parameter is in effect
66cbab2c 5246 */
c8bf5ca7 5247#define IN_LOCALE_RUNTIME cBOOL(CopHINTS_get(PL_curcop) & HINT_LOCALE)
66cbab2c 5248
c8bf5ca7 5249/* Returns TRUE if either form of the locale pragma is in effect */
66cbab2c 5250#define IN_SOME_LOCALE_FORM_RUNTIME \
c8bf5ca7 5251 cBOOL(CopHINTS_get(PL_curcop) & (HINT_LOCALE|HINT_LOCALE_NOT_CHARS))
66cbab2c 5252
c8bf5ca7 5253#define IN_LOCALE_COMPILETIME cBOOL(PL_hints & HINT_LOCALE)
66cbab2c 5254#define IN_SOME_LOCALE_FORM_COMPILETIME \
c8bf5ca7 5255 cBOOL(PL_hints & (HINT_LOCALE|HINT_LOCALE_NOT_CHARS))
2de3dbcc
JH		 5256
5257#define IN_LOCALE \
923e4eb5 5258 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
66cbab2c
KW		 5259#define IN_SOME_LOCALE_FORM \
5260 (IN_PERL_COMPILETIME ? IN_SOME_LOCALE_FORM_COMPILETIME \
5261 : IN_SOME_LOCALE_FORM_RUNTIME)
2de3dbcc 5262
8a11fac9
KW		 5263/* These macros are for toggling between the underlying locale (LOCAL) and the
5264 * C locale. */
5265
5266/* The first set makes sure that the locale is set to C unless within a 'use
5267 * locale's scope; otherwise to the default locale. A function pointer is
5268 * used, which can be declared separately by
5269 * DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED, followed by the actual
5270 * setting (using STORE_LC_NUMERIC_SET_TO_NEEDED()), or the two can be combined
5271 * into one call DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED().
5272 * RESTORE_LC_NUMERIC() in all cases restores the locale to what it was before
5273 * these were called */
5274
5275#define DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED \
5276 void (*_restore_LC_NUMERIC_function)(pTHX) = NULL;
5277
5278#define STORE_LC_NUMERIC_SET_TO_NEEDED() \
5279 if (IN_SOME_LOCALE_FORM) { \
5280 if (! PL_numeric_local) { \
5281 SET_NUMERIC_LOCAL(); \
5282 _restore_LC_NUMERIC_function = &Perl_set_numeric_standard; \
5283 } \
5284 } \
5285 else { \
5286 if (! PL_numeric_standard) { \
5287 SET_NUMERIC_STANDARD(); \
5288 _restore_LC_NUMERIC_function = &Perl_set_numeric_local; \
5289 } \
5290 }
5291
5292#define DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED() \
5293 DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED; \
5294 STORE_LC_NUMERIC_SET_TO_NEEDED();
5295
5296#define RESTORE_LC_NUMERIC() \
5297 if (_restore_LC_NUMERIC_function) { \
5298 _restore_LC_NUMERIC_function(aTHX); \
5299 }
5300
5301/* The next two macros set unconditionally. These should be rarely used, and
5302 * only after being sure that this is what is needed */
87755cd9
KW		 5303#define SET_NUMERIC_STANDARD() \
5304 set_numeric_standard();
5305
5306#define SET_NUMERIC_LOCAL() \
5307 set_numeric_local();
5308
8a11fac9
KW		 5309/* The rest of these LC_NUMERIC macros toggle to one or the other state, with
5310 * the RESTORE_foo ones called to switch back, but only if need be */
f93f4e46 5311#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
7cdd8b31 5312 bool was_local = PL_numeric_local; \
ff4fed7c 5313 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46 5314
b34856cb
KW		 5315/* Doesn't change to underlying locale unless within the scope of some form of
5316 * 'use locale'. This is the usual desired behavior. */
f93f4e46 5317#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
b34856cb 5318 bool was_standard = PL_numeric_standard && IN_SOME_LOCALE_FORM; \
ff4fed7c 5319 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46 5320
371d5d44
KW		 5321/* Rarely, we want to change to the underlying locale even outside of 'use
5322 * locale'. This is principally in the POSIX:: functions */
5323#define STORE_NUMERIC_STANDARD_FORCE_LOCAL() \
5324 bool was_standard = PL_numeric_standard; \
5325 if (was_standard) SET_NUMERIC_LOCAL();
5326
f93f4e46
CK		 5327#define RESTORE_NUMERIC_LOCAL() \
5328 if (was_local) SET_NUMERIC_LOCAL();
5329
5330#define RESTORE_NUMERIC_STANDARD() \
5331 if (was_standard) SET_NUMERIC_STANDARD();
5332
5b877257 5333#define Atof my_atof
097ee67d 5334
36477c24 5335#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5336
097ee67d
JH		 5337#define SET_NUMERIC_STANDARD() /**/
5338#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5339#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5340#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5341#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
8a11fac9 5342#define STORE_NUMERIC_STANDARD_FORCE_LOCAL()
097ee67d
JH		 5343#define RESTORE_NUMERIC_LOCAL() /**/
5344#define RESTORE_NUMERIC_STANDARD() /**/
8a11fac9
KW		 5345#define DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED
5346#define STORE_LC_NUMERIC_SET_TO_NEEDED()
5347#define DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED()
5348#define RESTORE_LC_NUMERIC()
5349
2cdc7fd1 5350#define Atof my_atof
ad3e0f90 5351#define IN_LOCALE_RUNTIME 0
d40eae8f 5352#define IN_LOCALE_COMPILETIME 0
bbce6d69 5353
36477c24 5354#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5355
85b76970
SH		 5356#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && \
5357 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
ec7b9793
JH		 5358# ifdef __hpux
5359# define strtoll __strtoll /* secret handshake */
5360# endif
c623ac67
GS		 5361# ifdef WIN64
5362# define strtoll _strtoi64 /* secret handshake */
5363# endif
079290de
GS		 5364# if !defined(Strtol) && defined(HAS_STRTOLL)
5365# define Strtol strtoll
ad551343 5366# endif
28e5dec8
JH		 5367# if !defined(Strtol) && defined(HAS_STRTOQ)
5368# define Strtol strtoq
5369# endif
ff935051 5370/* is there atoq() anywhere? */
15b99d39 5371#endif
079290de
GS		 5372#if !defined(Strtol) && defined(HAS_STRTOL)
5373# define Strtol strtol
5374#endif
5375#ifndef Atol
5376/* It would be more fashionable to use Strtol() to define atol()
5377 * (as is done for Atoul(), see below) but for backward compatibility
5378 * we just assume atol(). */
85b76970
SH		 5379# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && defined(HAS_ATOLL) && \
5380 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
c623ac67
GS		 5381# ifdef WIN64
5382# define atoll _atoi64 /* secret handshake */
5383# endif
76b882ba
JH		 5384# define Atol atoll
5385# else
5386# define Atol atol
5387# endif
cf2093f6
JH		 5388#endif
5389
85b76970
SH		 5390#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && \
5391 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
ec7b9793
JH		 5392# ifdef __hpux
5393# define strtoull __strtoull /* secret handshake */
5394# endif
c623ac67
GS		 5395# ifdef WIN64
5396# define strtoull _strtoui64 /* secret handshake */
5397# endif
ad551343 5398# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5399# define Strtoul strtoull
15b99d39 5400# endif
079290de
GS		 5401# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5402# define Strtoul strtouq
5403# endif
76d49b1c 5404/* is there atouq() anywhere? */
ad551343 5405#endif
079290de
GS		 5406#if !defined(Strtoul) && defined(HAS_STRTOUL)
5407# define Strtoul strtoul
cf2093f6 5408#endif
a5523c5b
JH		 5409#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5410# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5411#endif
079290de 5412#ifndef Atoul
d4c19fe8 5413# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5414#endif
cf2093f6 5415
760ac839 5416
06d86050
GS		 5417/* if these never got defined, they need defaults */
5418#ifndef PERL_SET_CONTEXT
5419# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5420#endif
5421
5422#ifndef PERL_GET_CONTEXT
5423# define PERL_GET_CONTEXT PERL_GET_INTERP
5424#endif
5425
5426#ifndef PERL_GET_THX
5427# define PERL_GET_THX ((void*)NULL)
5428#endif
5429
5430#ifndef PERL_SET_THX
5431# define PERL_SET_THX(t) NOOP
5432#endif
5433
a868473f
NIS		 5434#ifndef PERL_SCRIPT_MODE
5435#define PERL_SCRIPT_MODE "r"
5436#endif
5437
fba3b22e 5438/*
da927450
JH		 5439 * Some operating systems are stingy with stack allocation,
5440 * so perl may have to guard against stack overflow.
5441 */
5442#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5443#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5444#endif
5445
5446/*
5447 * Some nonpreemptive operating systems find it convenient to
5448 * check for asynchronous conditions after each op execution.
5449 * Keep this check simple, or it may slow down execution
5450 * massively.
5451 */
ce08f86c 5452
1d615522 5453#ifndef PERL_MICRO
4ffa73a3 5454# ifndef PERL_ASYNC_CHECK
16c91539 5455# define PERL_ASYNC_CHECK() if (PL_sig_pending) PL_signalhook(aTHX)
4ffa73a3 5456# endif
ce08f86c
NIS		 5457#endif
5458
da927450 5459#ifndef PERL_ASYNC_CHECK
1d615522 5460# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5461#endif
5462
5463/*
5464 * On some operating systems, a memory allocation may succeed,
5465 * but put the process too close to the system's comfort limit.
5466 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5467 * it to NULL.
5468 */
5469#ifndef PERL_ALLOC_CHECK
c2af87cb 5470#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5471#endif
5472
bd89102f
AD		 5473#ifdef HAS_SEM
5474# include <sys/ipc.h>
5475# include <sys/sem.h>
5476# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5477 union semun {
dbba660d
TC		 5478 int val;
5479 struct semid_ds *buf;
5480 unsigned short *array;
bd89102f
AD		 5481 };
5482# endif
5483# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5484# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5485 union gccbug_semun {
5486 int val;
5487 struct semid_ds *buf;
5488 unsigned short *array;
5489 char __dummy[5];
5490 };
5491# define semun gccbug_semun
5492# endif
bd89102f
AD		 5493# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5494# else
5495# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5496# ifdef EXTRA_F_IN_SEMUN_BUF
5497# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5498# else
5499# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5500# endif
bd89102f
AD		 5501# endif
5502# endif
bd89102f 5503#endif
49f531da 5504
89ca4ac7
JH		 5505/*
5506 * Boilerplate macros for initializing and accessing interpreter-local
5507 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 5508 * this, if you want to make the extension thread-safe. See
5509 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5510 * and perlxs.pod for more.
89ca4ac7
JH		 5511 *
5512 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5513 * 1. #define MY_CXT_KEY to a unique string, e.g.
5514 * "DynaLoader::_guts" XS_VERSION
f16dd614 5515 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5516 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5517 * all the data that needs to be interpreter-local.
5518 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5519 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5520 * (typically put in the BOOT: section).
5521 * 5. Use the members of the my_cxt_t structure everywhere as
5522 * MY_CXT.member.
5523 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5524 * access MY_CXT.
5525 */
5526
fc958cd2 5527#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 5528
4eddb856 5529/* START_MY_CXT must appear in all extensions that define a my_cxt_t structure,
53d44271
JH		 5530 * right after the definition (i.e. at file scope). The non-threads
5531 * case below uses it to declare the data as static. */
00ab59c9
DM		 5532# ifdef PERL_GLOBAL_STRUCT_PRIVATE
5533# define START_MY_CXT
5534# define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5535# define MY_CXT_INIT_ARG MY_CXT_KEY
5536# else
5537# define START_MY_CXT static int my_cxt_index = -1;
5538# define MY_CXT_INDEX my_cxt_index
5539# define MY_CXT_INIT_ARG &my_cxt_index
5540# endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
53d44271
JH		 5541
5542/* Creates and zeroes the per-interpreter data.
5543 * (We allocate my_cxtp in a Perl SV so that it will be released when
5544 * the interpreter goes away.) */
00ab59c9 5545# define MY_CXT_INIT \
53d44271 5546 my_cxt_t *my_cxtp = \
9f6df31a
Z		 5547 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
5548 PERL_UNUSED_VAR(my_cxtp)
00ab59c9 5549# define MY_CXT_INIT_INTERP(my_perl) \
53d44271 5550 my_cxt_t *my_cxtp = \
9f6df31a
Z		 5551 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
5552 PERL_UNUSED_VAR(my_cxtp)
53d44271
JH		 5553
5554/* This declaration should be used within all functions that use the
5555 * interpreter-local data. */
00ab59c9 5556# define dMY_CXT \
53d44271 5557 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
00ab59c9 5558# define dMY_CXT_INTERP(my_perl) \
53d44271
JH		 5559 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5560
5561/* Clones the per-interpreter data. */
00ab59c9 5562# define MY_CXT_CLONE \
53d44271
JH		 5563 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5564 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5565 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5566
53d44271 5567
89ca4ac7 5568/* This macro must be used to access members of the my_cxt_t structure.
870598ae 5569 * e.g. MY_CXT.some_data */
00ab59c9 5570# define MY_CXT (*my_cxtp)
89ca4ac7
JH		 5571
5572/* Judicious use of these macros can reduce the number of times dMY_CXT
5573 * is used. Use is similar to pTHX, aTHX etc. */
00ab59c9
DM		 5574# define pMY_CXT my_cxt_t *my_cxtp
5575# define pMY_CXT_ pMY_CXT,
5576# define _pMY_CXT ,pMY_CXT
5577# define aMY_CXT my_cxtp
5578# define aMY_CXT_ aMY_CXT,
5579# define _aMY_CXT ,aMY_CXT
89ca4ac7 5580
f16dd614 5581#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7 5582
00ab59c9
DM		 5583# define START_MY_CXT static my_cxt_t my_cxt;
5584# define dMY_CXT_SV dNOOP
5585# define dMY_CXT dNOOP
5586# define dMY_CXT_INTERP(my_perl) dNOOP
5587# define MY_CXT_INIT NOOP
5588# define MY_CXT_CLONE NOOP
5589# define MY_CXT my_cxt
5590
5591# define pMY_CXT void
5592# define pMY_CXT_
5593# define _pMY_CXT
5594# define aMY_CXT
5595# define aMY_CXT_
5596# define _aMY_CXT
89ca4ac7 5597
f16dd614 5598#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5599
9a34ef1d
GS		 5600#ifdef I_FCNTL
5601# include <fcntl.h>
9a34ef1d
GS		 5602#endif
5603
9cffb111
OS		 5604#ifdef __Lynx__
5605# include <fcntl.h>
5606#endif
5607
9a34ef1d
GS		 5608#ifdef I_SYS_FILE
5609# include <sys/file.h>
5610#endif
5611
fa0a29af 5612#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5613int flock(int fd, int op);
5614#endif
5615
fe52b3b7
GS		 5616#ifndef O_RDONLY
5617/* Assume UNIX defaults */
5618# define O_RDONLY 0000
5619# define O_WRONLY 0001
5620# define O_RDWR 0002
5621# define O_CREAT 0100
5622#endif
9a34ef1d 5623
16fe6d59
GS		 5624#ifndef O_BINARY
5625# define O_BINARY 0
5626#endif
5627
5628#ifndef O_TEXT
5629# define O_TEXT 0
5630#endif
5631
6ce75a77
JH		 5632#if O_TEXT != O_BINARY
5633 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5634 * that is, you are somehow DOSish. */
b6c36746
NC		 5635# if defined(__HAIKU__) || defined(__VOS__) || defined(__CYGWIN__)
5636 /* Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5637 * Haiku is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5638 /* VOS has O_TEXT != O_BINARY, and they have effect,
5639 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5640 /* If you have O_TEXT different from your O_BINARY but you still are
5641 * not a CRLF shop. */
35990314 5642# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5643# else
5644 /* If you really are DOSish. */
5645# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5646# endif
5647#endif
5648
4bc88a62
PS		 5649#ifdef I_LIBUTIL
5650# include <libutil.h> /* setproctitle() in some FreeBSDs */
5651#endif
5652
b4748376 5653#ifndef EXEC_ARGV_CAST
360ea906 5654#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 5655#endif
5656
dd5dc04f
JH		 5657#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5658 int). value returned in pointed-
5659 to UV */
5660#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5661#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5662#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5663#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5664#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5665
5666#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5667
53305cf1
NC		 5668/* Input flags: */
5669#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5670#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5671#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
02470786
KW		 5672#define PERL_SCAN_SILENT_NON_PORTABLE 0x08 /* grok_??? not warn about very large
5673 numbers which are <= UV_MAX */
53305cf1
NC		 5674/* Output flags: */
5675#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5676
2c4f7f0e
DM		 5677/* to let user control profiling */
5678#ifdef PERL_GPROF_CONTROL
5679extern void moncontrol(int);
5680#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5681#else
5682#define PERL_GPROF_MONCONTROL(x)
5683#endif
5684
ae0e3d3b
JH		 5685#ifdef UNDER_CE
5686#include "wince.h"
5687#endif
5688
5689/* ISO 6429 NEL - C1 control NExt Line */
5690/* See http://www.unicode.org/unicode/reports/tr13/ */
ec34087a 5691#define NEXT_LINE_CHAR NEXT_LINE_NATIVE
ae0e3d3b
JH		 5692
5693/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5694#define UNICODE_LINE_SEPA_0 0xE2
5695#define UNICODE_LINE_SEPA_1 0x80
5696#define UNICODE_LINE_SEPA_2 0xA8
5697#define UNICODE_PARA_SEPA_0 0xE2
5698#define UNICODE_PARA_SEPA_1 0x80
5699#define UNICODE_PARA_SEPA_2 0xA9
5700
479b2847
GS		 5701#ifndef PIPESOCK_MODE
5702# define PIPESOCK_MODE
5703#endif
5704
460c8493
IZ		 5705#ifndef SOCKET_OPEN_MODE
5706# define SOCKET_OPEN_MODE PIPESOCK_MODE
5707#endif
5708
5709#ifndef PIPE_OPEN_MODE
5710# define PIPE_OPEN_MODE PIPESOCK_MODE
5711#endif
5712
7e8c5dac
HS		 5713#define PERL_MAGIC_UTF8_CACHESIZE 2
5714
a05d7ebb
JH		 5715#define PERL_UNICODE_STDIN_FLAG 0x0001
5716#define PERL_UNICODE_STDOUT_FLAG 0x0002
5717#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5718#define PERL_UNICODE_IN_FLAG 0x0008
5719#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5720#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5721#define PERL_UNICODE_LOCALE_FLAG 0x0040
5722#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 5723#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 5724
06e66572
JH		 5725#define PERL_UNICODE_STD_FLAG \
5726 (PERL_UNICODE_STDIN_FLAG | \
5727 PERL_UNICODE_STDOUT_FLAG | \
5728 PERL_UNICODE_STDERR_FLAG)
5729
5730#define PERL_UNICODE_INOUT_FLAG \
5731 (PERL_UNICODE_IN_FLAG | \
5732 PERL_UNICODE_OUT_FLAG)
5733
5734#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5735 (PERL_UNICODE_STD_FLAG | \
5736 PERL_UNICODE_INOUT_FLAG | \
5737 PERL_UNICODE_LOCALE_FLAG)
5738
5a22a2bb 5739#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 5740
5741#define PERL_UNICODE_STDIN 'I'
5742#define PERL_UNICODE_STDOUT 'O'
5743#define PERL_UNICODE_STDERR 'E'
5744#define PERL_UNICODE_STD 'S'
5745#define PERL_UNICODE_IN 'i'
5746#define PERL_UNICODE_OUT 'o'
5747#define PERL_UNICODE_INOUT 'D'
5748#define PERL_UNICODE_ARGV 'A'
5749#define PERL_UNICODE_LOCALE 'L'
5750#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 5751#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 5752
4ffa73a3
JH		 5753#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5754
32fdb065 5755/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5756 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5757#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5758
3c0f78ca
JH		 5759#if defined(__DECC) && defined(__osf__)
5760#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 5761#endif
5762
e4dba786
NC		 5763#define do_open(g, n, l, a, rm, rp, sf) \
5764 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 5765#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 5766# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 5767#endif
15871fce
NC		 5768#ifdef OS2
5769# define do_aexec Perl_do_aexec
5770#else
5771# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 5772#endif
e4dba786 5773
c8028aa6
TC		 5774/* check embedded \0 characters in pathnames passed to syscalls,
5775 but allow one ending \0 */
41188aa0 5776#define IS_SAFE_SYSCALL(p, len, what, op_name) (S_is_safe_syscall(aTHX_ (p), (len), (what), (op_name)))
c8028aa6 5777
41188aa0 5778#define IS_SAFE_PATHNAME(p, len, op_name) IS_SAFE_SYSCALL((p), (len), "pathname", (op_name))
c8028aa6 5779
2f3efc97
JH		 5780#if defined(OEMVS)
5781#define NO_ENV_ARRAY_IN_MAIN
5782#endif
5783
00f254e2
KW		 5784/* These are used by Perl_pv_escape() and Perl_pv_pretty()
5785 * are here so that they are available throughout the core
10edeb5d
JH		 5786 * NOTE that even though some are for _escape and some for _pretty
5787 * there must not be any clashes as the flags from _pretty are
5788 * passed straight through to _escape.
5789 */
5790
5791#define PERL_PV_ESCAPE_QUOTE 0x0001
5792#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
5793
95b611b0 5794#define PERL_PV_PRETTY_ELLIPSES 0x0002
10edeb5d
JH		 5795#define PERL_PV_PRETTY_LTGT 0x0004
5796
5797#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
5798
00f254e2 5799#define PERL_PV_ESCAPE_UNI 0x0100
10edeb5d 5800#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
681f01c2 5801#define PERL_PV_ESCAPE_NONASCII 0x0400
10edeb5d
JH		 5802
5803#define PERL_PV_ESCAPE_ALL 0x1000
5804#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
5805#define PERL_PV_ESCAPE_NOCLEAR 0x4000
44a2ac75 5806#define PERL_PV_ESCAPE_RE 0x8000
10edeb5d 5807
0eb335df
BF		 5808#define PERL_PV_ESCAPE_DWIM 0x10000
5809
881a015e
NC		 5810#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
5811
10edeb5d 5812/* used by pv_display in dump.c*/
95b611b0 5813#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
c89df6cf 5814#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII
10edeb5d
JH		 5815
5816/*
5817
5818 (KEEP THIS LAST IN perl.h!)
5819
5820 Mention
d460ef45 5821
43999f95 5822 NV_PRESERVES_UV
fe749a9f 5823
fe749a9f
JH		 5824 HAS_MKSTEMP
5825 HAS_MKSTEMPS
5826 HAS_MKDTEMP
5827
49dabb45
JH		 5828 HAS_GETCWD
5829
d59b5429 5830 HAS_MMAP
fe749a9f
JH		 5831 HAS_MPROTECT
5832 HAS_MSYNC
1e8c3fde 5833 HAS_MADVISE
fe749a9f
JH		 5834 HAS_MUNMAP
5835 I_SYSMMAN
5836 Mmap_t
5837
6b4667fc
A		 5838 NVef
5839 NVff
5840 NVgf
5841
4e0554ec 5842 HAS_UALARM
2d736872 5843 HAS_USLEEP
4e0554ec
JH		 5844
5845 HAS_SETITIMER
5846 HAS_GETITIMER
5847
5848 HAS_SENDMSG
5849 HAS_RECVMSG
5850 HAS_READV
5851 HAS_WRITEV
5852 I_SYSUIO
5853 HAS_STRUCT_MSGHDR
5854 HAS_STRUCT_CMSGHDR
5855
2765b840 5856 HAS_NL_LANGINFO
0a7020c9 5857
ae0e3d3b 5858 HAS_DIRFD
2765b840 5859
10edeb5d 5860 so that Configure picks them up.
ab3bbdeb 5861
10edeb5d 5862 (KEEP THIS LAST IN perl.h!)
3df15adc 5863
10edeb5d 5864*/
3df15adc 5865
85e6fe83 5866#endif /* Include guard */
e9a8c099
MHM		 5867
5868/*
5869 * Local variables:
5870 * c-indentation-style: bsd
5871 * c-basic-offset: 4
14d04a33 5872 * indent-tabs-mode: nil
e9a8c099
MHM		 5873 * End:
5874 *
14d04a33 5875 * ex: set ts=8 sts=4 sw=4 et:
e9a8c099 5876 */
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