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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
a6fc70e5 178# define pTHX_12 13
e8dda941
JD		 179# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
180# define PERL_TRACK_MEMPOOL
181# endif
182#else
183# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 184#endif
185
76e3520e 186#define STATIC static
16c91539
BM		 187
188#ifndef PERL_CORE
189/* Do not use these macros. They were part of PERL_OBJECT, which was an
190 * implementation of multiplicity using C++ objects. They have been left
191 * here solely for the sake of XS code which has incorrectly
192 * cargo-culted them.
193 */
76e3520e 194#define CPERLscope(x) x
565764a8 195#define CPERLarg void
76e3520e 196#define CPERLarg_
e3b8966e 197#define _CPERLarg
1d583055
GS		 198#define PERL_OBJECT_THIS
199#define _PERL_OBJECT_THIS
200#define PERL_OBJECT_THIS_
312caa8e 201#define CALL_FPTR(fptr) (*fptr)
ef69c8fc 202#define MEMBER_TO_FPTR(name) name
16c91539 203#endif /* !PERL_CORE */
76e3520e 204
16c91539 205#define CALLRUNOPS PL_runops
f9f4320a 206
3ab4a224 207#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 208
16c91539 209#define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
a340edde 210#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,sv,data,flags) \
16c91539 211 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
a340edde 212 (strbeg),(minend),(sv),(data),(flags))
52a21eb3
DM		 213#define CALLREG_INTUIT_START(prog,sv,strbeg,strpos,strend,flags,data) \
214 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strbeg), (strpos), \
f9f4320a
YO		 215 (strend),(flags),(data))
216#define CALLREG_INTUIT_STRING(prog) \
16c91539 217 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
f8149455 218
f8149455
YO		 219#define CALLREGFREE(prog) \
220 Perl_pregfree(aTHX_ (prog))
221
222#define CALLREGFREE_PVT(prog) \
16c91539 223 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
f8149455 224
2fdbfb4d 225#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
16c91539 226 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
93b32b6d 227
2fdbfb4d 228#define CALLREG_NUMBUF_STORE(rx,paren,value) \
16c91539 229 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
2fdbfb4d
AB		 230
231#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
16c91539 232 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
2fdbfb4d 233
192b9cd1 234#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
16c91539 235 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
192b9cd1
AB		 236
237#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
16c91539 238 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
192b9cd1
AB		 239
240#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
16c91539 241 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB		 242
243#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
16c91539 244 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB		 245
246#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
16c91539 247 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB		 248
249#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
16c91539 250 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB		 251
252#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
16c91539 253 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB		 254
255#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
16c91539 256 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
AB		 257
258#define CALLREG_NAMED_BUFF_COUNT(rx) \
16c91539 259 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
192b9cd1
AB		 260
261#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
16c91539 262 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 263
49d7dfbc 264#define CALLREG_PACKAGE(rx) \
16c91539 265 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
93b32b6d 266
00f254e2 267#if defined(USE_ITHREADS)
f9f4320a 268#define CALLREGDUPE(prog,param) \
f8149455
YO		 269 Perl_re_dup(aTHX_ (prog),(param))
270
271#define CALLREGDUPE_PVT(prog,param) \
16c91539 272 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
00f254e2 273 : (REGEXP *)NULL)
f9f4320a 274#endif
14dd3ad8 275
a20207d7 276
bcdf7404 277
a20207d7
YO		 278
279
5ba4cab2
SH		 280/*
281 * Because of backward compatibility reasons the PERL_UNUSED_DECL
282 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
283 *
284 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 285 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 286 * marking unused variables (they need e.g. a #pragma) and therefore
287 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
288 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
289 *
290 */
1266ad8c 291
9969cdde 292#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 293# ifdef __cplusplus
5ba4cab2 294# define PERL_UNUSED_DECL
5b2bd0a5 295# else
5ba4cab2 296# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 297# endif
298#endif
44dbb695 299
5b2bd0a5 300#ifndef PERL_UNUSED_DECL
34659ad4 301# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 302# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 303# else
5ba4cab2 304# define PERL_UNUSED_DECL
b79c357a 305# endif
5b2bd0a5 306#endif
00f254e2 307
349b520e
DM		 308/* gcc -Wall:
309 * for silencing unused variables that are actually used most of the time,
a0288114 310 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 311 */
53c1dcc0 312#ifndef PERL_UNUSED_ARG
c99ffe5e 313# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 314# include <note.h>
53c1dcc0 315# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 316# else
53c1dcc0 317# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 318# endif
319#endif
53c1dcc0
AL		 320#ifndef PERL_UNUSED_VAR
321# define PERL_UNUSED_VAR(x) ((void)x)
322#endif
ad73156c 323
96a5add6
AL		 324#ifdef USE_ITHREADS
325# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
326#else
327# define PERL_UNUSED_CONTEXT
328#endif
329
24e7ff4e
JH		 330/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
331 * g++ allows them but seems to have problems with them
332 * (insane errors ensue).
333 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
334 */
335#if defined(PERL_GCC_PEDANTIC) || \
336 (defined(__GNUC__) && defined(__cplusplus) && \
337 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
338# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
339# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
340# endif
341#endif
342
ffea512f 343/* Use PERL_UNUSED_RESULT() to suppress the warnings about unused results
b469f1e0
JH		 344 * of function calls, e.g. PERL_UNUSED_RESULT(foo(a, b)).
345 *
346 * The main reason for this is that the combination of gcc -Wunused-result
347 * (part of -Wall) and the __attribute__((warn_unused_result)) cannot
348 * be silenced with casting to void. This causes trouble when the system
349 * header files use the attribute.
350 *
351 * Use PERL_UNUSED_RESULT sparingly, though, since usually the warning
352 * is there for a good reason: you might lose success/failure information,
353 * or leak resources, or changes in resources.
ffea512f
JH		 354 *
355 * But sometimes you just want to ignore the return value, e.g. on
b469f1e0
JH		 356 * codepaths soon ending up in abort, or in "best effort" attempts,
357 * or in situations where there is no good way to handle failures.
ffea512f 358 *
b469f1e0
JH		 359 * Sometimes PERL_UNUSED_RESULT might not be the most natural way:
360 * another possibility is that you can capture the return value
361 * and use PERL_UNUSED_VAR on that.
ffea512f 362 *
b469f1e0
JH		 363 * The __typeof__() is used instead of typeof() since typeof() is not
364 * available under strict C89, and because of compilers masquerading
365 * as gcc (clang and icc), we want exactly the gcc extension
366 * __typeof__ and nothing else.
ffea512f
JH		 367 */
368#ifndef PERL_UNUSED_RESULT
b469f1e0
JH		 369# if defined(__GNUC__) && defined(HASATTRIBUTE_WARN_UNUSED_RESULT)
370# define PERL_UNUSED_RESULT(v) STMT_START { __typeof__(v) z = (v); (void)sizeof(z); } STMT_END
ffea512f
JH		 371# else
372# define PERL_UNUSED_RESULT(v) ((void)(v))
373# endif
374#endif
375
b56aac20
DM		 376/* on gcc (and clang), specify that a warning should be temporarily
377 * ignored; e.g.
378 *
379 * GCC_DIAG_IGNORE(-Wmultichar);
380 * char b = 'ab';
381 * GCC_DIAG_RESTORE;
382 *
383 * based on http://dbp-consulting.com/tutorials/SuppressingGCCWarnings.html
384 *
385 * Note that "pragma GCC diagnostic push/pop" was added in GCC 4.6, Mar 2011;
386 * clang only pretends to be GCC 4.2, but still supports push/pop.
387 */
388
389#if defined(__clang) || \
d28ce8b4 390 (defined( __GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406)
b56aac20
DM		 391# define GCC_DIAG_DO_PRAGMA_(x) _Pragma (#x)
392
393# define GCC_DIAG_IGNORE(x) _Pragma("GCC diagnostic push") \
394 GCC_DIAG_DO_PRAGMA_(GCC diagnostic ignored #x)
395# define GCC_DIAG_RESTORE _Pragma("GCC diagnostic pop")
396#else
397# define GCC_DIAG_IGNORE(w)
398# define GCC_DIAG_RESTORE
399#endif
400
401
6f207bd3 402#define NOOP /*EMPTY*/(void)0
bafdc25d
NC		 403/* cea2e8a9dd23747f accidentally lost the comment originally from the first
404 check in of thread.h, explaining why we need dNOOP at all: */
405/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
406/* Declaring a *function*, instead of a variable, ensures that we don't rely
407 on being able to suppress "unused" warnings. */
7db66e12
CB		 408#ifdef __cplusplus
409#define dNOOP (void)0
410#else
64a8239e 411#define dNOOP extern int Perl___notused(void)
7db66e12 412#endif
71be2cbc 413
0cb96387 414#ifndef pTHX
a78adc84 415/* Don't bother defining tTHX ; using it outside
e8dda941
JD		 416 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
417 */
0cb96387
GS		 418# define pTHX void
419# define pTHX_
0cb96387
GS		 420# define aTHX
421# define aTHX_
9399a70c 422# define aTHXa(a) NOOP
0cb96387
GS		 423# define dTHXa(a) dNOOP
424# define dTHX dNOOP
894356b3
GS		 425# define pTHX_1 1
426# define pTHX_2 2
427# define pTHX_3 3
428# define pTHX_4 4
3d42dc86
RGS		 429# define pTHX_5 5
430# define pTHX_6 6
a3b680e6
AL		 431# define pTHX_7 7
432# define pTHX_8 8
433# define pTHX_9 9
a6fc70e5 434# define pTHX_12 12
0cb96387
GS		 435#endif
436
27da23d5
JH		 437#ifndef dVAR
438# define dVAR dNOOP
439#endif
440
b4f7f263
GS		 441/* these are only defined for compatibility; should not be used internally */
442#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 443# define pTHXo pTHX
444# define pTHXo_ pTHX_
0cb96387
GS		 445# define aTHXo aTHX
446# define aTHXo_ aTHX_
c5be433b 447# define dTHXo dTHX
71d280e3 448# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 449#endif
450
451#ifndef pTHXx
5aaab254 452# define pTHXx PerlInterpreter *my_perl
0cb96387 453# define pTHXx_ pTHXx,
0cb96387
GS		 454# define aTHXx my_perl
455# define aTHXx_ aTHXx,
c5be433b 456# define dTHXx dTHX
22c35a8c 457#endif
71be2cbc 458
1de7c2ac
GS		 459/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
460 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
461 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
462#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 463# ifdef PERL_GLOBAL_STRUCT_PRIVATE
464# define dTHXs dVAR; dTHX
465# else
466# define dTHXs dTHX
467# endif
1de7c2ac 468#else
27da23d5
JH		 469# ifdef PERL_GLOBAL_STRUCT_PRIVATE
470# define dTHXs dVAR
471# else
472# define dTHXs dNOOP
473# endif
1de7c2ac
GS		 474#endif
475
27da23d5
JH		 476/* Some platforms require marking function declarations
477 * for them to be exportable. Used in perlio.h, proto.h
478 * is handled either by the makedef.pl or by defining the
479 * PERL_CALLCONV to be something special. See also the
480 * definition of XS() in XSUB.h. */
481#ifndef PERL_EXPORT_C
a0c21aa1
JH		 482# ifdef __cplusplus
483# define PERL_EXPORT_C extern "C"
484# else
485# define PERL_EXPORT_C extern
486# endif
27da23d5
JH		 487#endif
488#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 489# ifdef __cplusplus
490# define PERL_XS_EXPORT_C extern "C"
491# else
492# define PERL_XS_EXPORT_C
493# endif
27da23d5
JH		 494#endif
495
5b692037
JH		 496#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
497# ifndef PERL_USE_GCC_BRACE_GROUPS
498# define PERL_USE_GCC_BRACE_GROUPS
499# endif
500#endif
501
728e2803 502/*
503 * STMT_START { statements; } STMT_END;
504 * can be used as a single statement, as in
505 * if (x) STMT_START { ... } STMT_END; else ...
506 *
507 * Trying to select a version that gives no warnings...
508 */
509#if !(defined(STMT_START) && defined(STMT_END))
5b692037 510# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 511# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 512# define STMT_END )
513# else
728e2803 514# define STMT_START do
515# define STMT_END while (0)
728e2803 516# endif
517#endif
518
d6f9c181
JH		 519#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
520# define BYTEORDER 0x1234
79072805
LW		 521#endif
522
523/* Overall memory policy? */
524#ifndef CONSERVATIVE
525# define LIBERAL 1
526#endif
527
8ada0baa
JH		 528#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
529#define ASCIIish
530#else
531#undef ASCIIish
532#endif
533
79072805
LW		 534/*
535 * The following contortions are brought to you on behalf of all the
536 * standards, semi-standards, de facto standards, not-so-de-facto standards
537 * of the world, as well as all the other botches anyone ever thought of.
538 * The basic theory is that if we work hard enough here, the rest of the
539 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
540 */
ac58e20f 541
ee0007ab 542/* define this once if either system, instead of cluttering up the src */
7c458fae 543#if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 544#define DOSISH 1
545#endif
546
739a0b84 547#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 548# define STANDARD_C 1
549#endif
550
8d87852b 551#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 552# define DONT_DECLARE_STD 1
553#endif
554
352d5a3a 555#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 556# define VOL volatile
663a0e37 557#else
79072805 558# define VOL
663a0e37
LW		 559#endif
560
284167a5
S		 561/* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
562 * you get a perl without taint support, but doubtlessly with a lesser
563 * degree of support. Do not do so unless you know exactly what it means
564 * technically, have a good reason to do so, and know exactly how the
565 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
566 * a potential security risk due to flat out ignoring the security-relevant
567 * taint flags. This being said, a perl without taint support compiled in
568 * has marginal run-time performance benefits.
569 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
570 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
571 * silently ignores -t/-T instead of throwing an exception.
053a3618
S		 572 *
573 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
6ecb40c7 574 * voids your nonexistent warranty!
284167a5 575 */
dc6d7f5c 576#if defined(SILENT_NO_TAINT_SUPPORT) && !defined(NO_TAINT_SUPPORT)
284167a5
S		 577# define NO_TAINT_SUPPORT 1
578#endif
579
580/* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
581 * operations into no-ops for a very modest speed-up. Enable only if you
582 * know what you're doing: tests and CPAN modules' tests are bound to fail.
583 */
dc6d7f5c 584#ifdef NO_TAINT_SUPPORT
284167a5
S		 585# define TAINT NOOP
586# define TAINT_NOT NOOP
587# define TAINT_IF(c) NOOP
588# define TAINT_ENV() NOOP
589# define TAINT_PROPER(s) NOOP
590# define TAINT_set(s) NOOP
591# define TAINT_get 0
592# define TAINTING_get 0
593# define TAINTING_set(s) NOOP
594# define TAINT_WARN_get 0
595# define TAINT_WARN_set(s) NOOP
596#else
597# define TAINT (PL_tainted = TRUE)
598# define TAINT_NOT (PL_tainted = FALSE)
2439e033
S		 599# define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = TRUE; }
600# define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); }
601# define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); }
284167a5
S		 602# define TAINT_set(s) (PL_tainted = (s))
603# define TAINT_get (PL_tainted)
604# define TAINTING_get (PL_tainting)
605# define TAINTING_set(s) (PL_tainting = (s))
606# define TAINT_WARN_get (PL_taint_warn)
607# define TAINT_WARN_set(s) (PL_taint_warn = (s))
608#endif
a687059c 609
20be6587
DM		 610/* flags used internally only within pp_subst and pp_substcont */
611#ifdef PERL_CORE
612# define SUBST_TAINT_STR 1 /* string tainted */
613# define SUBST_TAINT_PAT 2 /* pattern tainted */
614# define SUBST_TAINT_REPL 4 /* replacement tainted */
615# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
616# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
617#endif
618
d460ef45 619/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 620 defines move there? If so, I could simplify this a lot. --AD 9/96.
621*/
622/* Process group stuff changed from traditional BSD to POSIX.
623 perlfunc.pod documents the traditional BSD-style syntax, so we'll
624 try to preserve that, if possible.
625*/
626#ifdef HAS_SETPGID
627# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 628#else
a6e633de 629# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
630# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
631# else
632# ifdef HAS_SETPGRP2 /* DG/UX */
633# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
634# endif
635# endif
636#endif
637#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
638# define HAS_SETPGRP /* Well, effectively it does . . . */
639#endif
640
641/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
642 our life easier :-) so we'll try it.
643*/
644#ifdef HAS_GETPGID
645# define BSD_GETPGRP(pid) getpgid((pid))
646#else
647# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
648# define BSD_GETPGRP(pid) getpgrp((pid))
649# else
650# ifdef HAS_GETPGRP2 /* DG/UX */
651# define BSD_GETPGRP(pid) getpgrp2((pid))
652# endif
653# endif
654#endif
655#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
656# define HAS_GETPGRP /* Well, effectively it does . . . */
657#endif
658
d460ef45 659/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 660 have different behaviors, but perl.h used to define USE_BSDPGRP
661 (prior to 5.003_05) so some extension might depend on it.
662*/
663#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
664# ifndef USE_BSDPGRP
665# define USE_BSDPGRP
666# endif
663a0e37
LW		 667#endif
668
486ec47a 669/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH		 670 pthread.h must be included before all other header files.
671*/
3db8f154 672#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 673# include <pthread.h>
674#endif
675
58ab9e8b 676#include <sys/types.h>
663a0e37 677
760ac839
LW		 678#ifdef __cplusplus
679# ifndef I_STDARG
680# define I_STDARG 1
681# endif
682#endif
683
684#ifdef I_STDARG
685# include <stdarg.h>
686#else
687# ifdef I_VARARGS
688# include <varargs.h>
689# endif
690#endif
691
fe14fcc3 692#include <ctype.h>
a0d0e21e
LW		 693
694#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
695#undef METHOD
a0d0e21e
LW		 696#endif
697
12ae5dfc
JH		 698#ifdef PERL_MICRO
699# define NO_LOCALE
700#endif
701
4633a7c4 702#ifdef I_LOCALE
36477c24 703# include <locale.h>
4633a7c4
LW		 704#endif
705
36477c24 706#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
707# define USE_LOCALE
ccd65d51
KW		 708# define HAS_SKIP_LOCALE_INIT /* Solely for XS code to test for this
709 capability */
36477c24 710# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
711 && defined(HAS_STRXFRM)
712# define USE_LOCALE_COLLATE
713# endif
714# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
715# define USE_LOCALE_CTYPE
716# endif
717# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
718# define USE_LOCALE_NUMERIC
719# endif
fa9b773e
KW		 720# if !defined(NO_LOCALE_MESSAGES) && defined(LC_MESSAGES)
721# define USE_LOCALE_MESSAGES
722# endif
723# if !defined(NO_LOCALE_MONETARY) && defined(LC_MONETARY)
724# define USE_LOCALE_MONETARY
725# endif
b385bb4d
KW		 726# ifndef WIN32 /* No wrapper except on Windows */
727# define my_setlocale(a,b) setlocale(a,b)
728# endif
36477c24 729#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 730
fe14fcc3 731#include <setjmp.h>
79072805 732
a0d0e21e 733#ifdef I_SYS_PARAM
79072805
LW		 734# ifdef PARAM_NEEDS_TYPES
735# include <sys/types.h>
736# endif
737# include <sys/param.h>
352d5a3a 738#endif
79072805 739
ce3470dc
AD		 740/* On BSD-derived systems, <sys/param.h> defines BSD to a year-month
741 value something like 199306. This may be useful if no more-specific
742 feature test is available.
743*/
744#if defined(BSD)
745# ifndef BSDish
746# define BSDish
747# endif
748#endif
749
79072805 750/* Use all the "standard" definitions? */
a0d0e21e 751#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 752# include <stdlib.h>
ff68c719 753#endif
03a14243 754
3f270f98
JH		 755/* If this causes problems, set i_unistd=undef in the hint file. */
756#ifdef I_UNISTD
757# include <unistd.h>
758#endif
759
de8ca8af
NT		 760/* for WCOREDUMP */
761#ifdef I_SYS_WAIT
762# include <sys/wait.h>
763#endif
764
9969cdde 765#ifdef __SYMBIAN32__
27da23d5
JH		 766# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
767#endif
768
21e89b5f 769#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO)
c45598c5 770EXTERN_C int syscall(int, ...);
2ef53570
JH		 771#endif
772
21e89b5f 773#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO)
c45598c5 774EXTERN_C int usleep(unsigned int);
2ef53570
JH		 775#endif
776
1109a392
MHM		 777#ifdef PERL_CORE
778
779/* macros for correct constant construction */
780# if INTSIZE >= 2
781# define U16_CONST(x) ((U16)x##U)
782# else
783# define U16_CONST(x) ((U16)x##UL)
784# endif
785
786# if INTSIZE >= 4
787# define U32_CONST(x) ((U32)x##U)
788# else
789# define U32_CONST(x) ((U32)x##UL)
790# endif
791
792# ifdef HAS_QUAD
793# if INTSIZE >= 8
794# define U64_CONST(x) ((U64)x##U)
795# elif LONGSIZE >= 8
796# define U64_CONST(x) ((U64)x##UL)
797# elif QUADKIND == QUAD_IS_LONG_LONG
798# define U64_CONST(x) ((U64)x##ULL)
52865553
SH		 799# elif QUADKIND == QUAD_IS___INT64
800# define U64_CONST(x) ((U64)x##UI64)
1109a392
MHM		 801# else /* best guess we can make */
802# define U64_CONST(x) ((U64)x##UL)
803# endif
804# endif
805
806/* byte-swapping functions for big-/little-endian conversion */
807# define _swab_16_(x) ((U16)( \
808 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
809 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
810
811# define _swab_32_(x) ((U32)( \
812 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
813 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
814 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
815 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
816
817# ifdef HAS_QUAD
818# define _swab_64_(x) ((U64)( \
819 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
820 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
821 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
822 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
823 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
824 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
825 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
826 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
827# endif
828
9c17f24a
NC		 829/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
830 at least on FreeBSD. YMMV, so experiment. */
831#ifndef PERL_ARENA_SIZE
832#define PERL_ARENA_SIZE 4080
833#endif
834
ccb2c8b8 835/* Maximum level of recursion */
2b9dff67
RGS		 836#ifndef PERL_SUB_DEPTH_WARN
837#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 838#endif
839
1109a392
MHM		 840#endif /* PERL_CORE */
841
bdf3085f
NC		 842/* We no longer default to creating a new SV for GvSV.
843 Do this before embed. */
844#ifndef PERL_CREATE_GVSV
7459f06b
NC		 845# ifndef PERL_DONT_CREATE_GVSV
846# define PERL_DONT_CREATE_GVSV
847# endif
bdf3085f
NC		 848#endif
849
ca0c25f6
NC		 850#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
851#define PERL_USES_PL_PIDSTATUS
852#endif
853
739a0b84 854#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
a62746fa
RGS		 855#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
856#endif
857
c31fac66
GS		 858#define MEM_SIZE Size_t
859
1936d2a7
NC		 860/* Round all values passed to malloc up, by default to a multiple of
861 sizeof(size_t)
862*/
863#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
864#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
865#endif
866
f1200559
WH		 867/* sv_grow() will expand strings by at least a certain percentage of
868 the previously *used* length to avoid excessive calls to realloc().
869 The default is 25% of the current length.
870*/
871#ifndef PERL_STRLEN_EXPAND_SHIFT
872# define PERL_STRLEN_EXPAND_SHIFT 2
873#endif
874
3800c318 875#if defined(STANDARD_C) && defined(I_STDDEF) && !defined(PERL_GCC_PEDANTIC)
51371543
GS		 876# include <stddef.h>
877# define STRUCT_OFFSET(s,m) offsetof(s,m)
878#else
879# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
d0b86e2f
BF		 880#endif
881
882/* ptrdiff_t is C11, so undef it under pedantic builds */
883#ifdef PERL_GCC_PEDANTIC
884# undef HAS_PTRDIFF_T
51371543
GS		 885#endif
886
9969cdde 887#ifndef __SYMBIAN32__
27da23d5
JH		 888# if defined(I_STRING) || defined(__cplusplus)
889# include <string.h>
890# else
891# include <strings.h>
892# endif
51371543
GS		 893#endif
894
55497cff 895/* This comes after <stdlib.h> so we don't try to change the standard
896 * library prototypes; we'll use our own in proto.h instead. */
03a14243 897
4633a7c4 898#ifdef MYMALLOC
86058a2d 899# ifdef PERL_POLLUTE_MALLOC
ee13e175 900# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 901# define Perl_malloc malloc
902# define Perl_calloc calloc
903# define Perl_realloc realloc
904# define Perl_mfree free
ee13e175 905# endif
86058a2d
GS		 906# else
907# define EMBEDMYMALLOC /* for compatibility */
908# endif
827e134a 909
651b9576
GS		 910# define safemalloc Perl_malloc
911# define safecalloc Perl_calloc
912# define saferealloc Perl_realloc
913# define safefree Perl_mfree
22f7c9c9
JH		 914# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
915 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
916 code; \
917 } STMT_END
918# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
919 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
920# define panic_write2(s) write(2, s, strlen(s))
921# define CHECK_MALLOC_TAINT(newval) \
922 CHECK_MALLOC_TOO_LATE_FOR_( \
923 if (newval) { \
acfd4d8e 924 PERL_UNUSED_RESULT(panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n"));\
22f7c9c9 925 exit(1); })
22f7c9c9 926# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 927 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 928 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
929 }} STMT_END;
f2517201
GS		 930#else /* MYMALLOC */
931# define safemalloc safesysmalloc
932# define safecalloc safesyscalloc
933# define saferealloc safesysrealloc
934# define safefree safesysfree
22f7c9c9
JH		 935# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
936# define CHECK_MALLOC_TAINT(newval) ((void)0)
937# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 938#endif /* MYMALLOC */
4633a7c4 939
fe13d51d 940/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 941#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		 942#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
943#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
944#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
945
a0d0e21e
LW		 946#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
947#define strchr index
948#define strrchr rindex
949#endif
950
16d20bd9
AD		 951#ifdef I_MEMORY
952# include <memory.h>
953#endif
954
fe14fcc3 955#ifdef HAS_MEMCPY
85e6fe83 956# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 957# ifndef memcpy
20ce7b12 958 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 959# endif
960# endif
961#else
962# ifndef memcpy
963# ifdef HAS_BCOPY
964# define memcpy(d,s,l) bcopy(s,d,l)
965# else
966# define memcpy(d,s,l) my_bcopy(s,d,l)
967# endif
968# endif
969#endif /* HAS_MEMCPY */
fe14fcc3 970
ee0007ab 971#ifdef HAS_MEMSET
85e6fe83 972# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 973# ifndef memset
20ce7b12 974 extern char *memset (char*, int, int);
ee0007ab
LW		 975# endif
976# endif
ee0007ab 977#else
12ae5dfc 978# undef memset
fc36a67e 979# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 980#endif /* HAS_MEMSET */
981
85e6fe83 982#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 983# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 984# define memmove(d,s,l) bcopy(s,d,l)
985# else
2304df62 986# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 987# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 988# else
79072805 989# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 990# endif
352d5a3a 991# endif
d9d8d8de 992#endif
ee0007ab 993
36477c24 994#if defined(mips) && defined(ultrix) && !defined(__STDC__)
995# undef HAS_MEMCMP
996#endif
997
998#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 999# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1000# ifndef memcmp
20ce7b12 1001 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1002# endif
1003# endif
1004#else
1005# ifndef memcmp
ecfc5424 1006# define memcmp my_memcmp
352d5a3a 1007# endif
36477c24 1008#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1009
fc36a67e 1010#ifndef memzero
c635e13b 1011# ifdef HAS_MEMSET
1012# define memzero(d,l) memset(d,0,l)
79072805 1013# else
c635e13b 1014# ifdef HAS_BZERO
1015# define memzero(d,l) bzero(d,l)
79072805 1016# else
fc36a67e 1017# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1018# endif
1019# endif
d9d8d8de 1020#endif
378cc40b 1021
2f42fcb0 1022#ifndef PERL_MICRO
0f27ced1
JH		 1023#ifndef memchr
1024# ifndef HAS_MEMCHR
1025# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1026# endif
1027#endif
2f42fcb0 1028#endif
0f27ced1 1029
36477c24 1030#ifndef HAS_BCMP
1031# ifndef bcmp
1032# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1033# endif
36477c24 1034#endif /* !HAS_BCMP */
378cc40b 1035
ae986130 1036#ifdef I_NETINET_IN
79072805 1037# include <netinet/in.h>
ae986130
LW		 1038#endif
1039
28e8609d
JH		 1040#ifdef I_ARPA_INET
1041# include <arpa/inet.h>
1042#endif
1043
1aef975c 1044#ifdef I_SYS_STAT
84902520 1045# include <sys/stat.h>
1aef975c 1046#endif
79072805 1047
287a962e
JD		 1048/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1049 This definition should ideally go into win32/win32.h, but S_IFIFO is
1050 used later here in perl.h before win32/win32.h is being included. */
1051#if !defined(S_IFIFO) && defined(_S_IFIFO)
1052# define S_IFIFO _S_IFIFO
1053#endif
1054
cc3315ba 1055/* The stat macros for Unisoft System V/88 (and derivatives
a0d0e21e
LW		 1056 like UTekV) are broken, sometimes giving false positives. Undefine
1057 them here and let the code below set them to proper values.
1058
1059 The ghs macro stands for GreenHills Software C-1.8.5 which
1060 is the C compiler for sysV88 and the various derivatives.
1061 This header file bug is corrected in gcc-2.5.8 and later versions.
1062 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1063
cc3315ba 1064#if defined(m88k) && defined(ghs)
79072805
LW		 1065# undef S_ISDIR
1066# undef S_ISCHR
1067# undef S_ISBLK
1068# undef S_ISREG
1069# undef S_ISFIFO
1070# undef S_ISLNK
ee0007ab 1071#endif
135863df 1072
663a0e37
LW		 1073#ifdef I_TIME
1074# include <time.h>
ffed7fef 1075#endif
663a0e37 1076
fe14fcc3 1077#ifdef I_SYS_TIME
85e6fe83 1078# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1079# define KERNEL
1080# endif
1081# include <sys/time.h>
85e6fe83 1082# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1083# undef KERNEL
1084# endif
a687059c 1085#endif
135863df 1086
55497cff 1087#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1088# include <sys/times.h>
d9d8d8de 1089#endif
8d063cd8 1090
fe14fcc3 1091#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1092# undef HAS_STRERROR
663a0e37
LW		 1093#endif
1094
1095#include <errno.h>
1e743fda 1096
acfe0abc 1097#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1098# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1099#endif
1100
8cfab5ff 1101/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1102 * This is important for using IPv6.
8cfab5ff
JH		 1103 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1104 * a bad idea since it breaks send() and recv(). */
1105#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1106# define _SOCKADDR_LEN
1107#endif
1108
da70cfc6 1109#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH		 1110# include <sys/socket.h>
1111# if defined(USE_SOCKS) && defined(I_SOCKS)
1112# if !defined(INCLUDE_PROTOTYPES)
1113# define INCLUDE_PROTOTYPES /* for <socks.h> */
1114# define PERL_SOCKS_NEED_PROTOTYPES
1115# endif
1116# include <socks.h>
1117# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1118# undef INCLUDE_PROTOTYPES
1119# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1120# endif
d460ef45 1121# endif
1e743fda 1122# ifdef I_NETDB
2986a63f
JH		 1123# ifdef NETWARE
1124# include<stdio.h>
1125# endif
1e743fda
JH		 1126# include <netdb.h>
1127# endif
1128# ifndef ENOTSOCK
1129# ifdef I_NET_ERRNO
1130# include <net/errno.h>
1131# endif
1132# endif
1133#endif
1134
fa0a29af 1135/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1136 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1137 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1138#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1139# if defined(__THROW) && defined(__GLIBC__)
1140int sockatmark(int) __THROW;
1141# else
2ef53570 1142int sockatmark(int);
29820b6d 1143# endif
2ef53570
JH		 1144#endif
1145
7e827271 1146#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		 1147EXTERN_C int fchdir(int);
1148EXTERN_C int flock(int, int);
1149EXTERN_C int fseeko(FILE *, off_t, int);
1150EXTERN_C off_t ftello(FILE *);
1151#endif
1152
7e827271 1153#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1154EXTERN_C char *crypt(const char *, const char *);
7e827271 1155EXTERN_C char **environ;
1ccb7c8d
JH		 1156#endif
1157
83a6ff2e 1158#if defined(__cplusplus)
ce3470dc 1159# if defined(BSDish)
b91fbb93 1160EXTERN_C char **environ;
83a6ff2e 1161# elif defined(__CYGWIN__)
667e2948
SP		 1162EXTERN_C char *crypt(const char *, const char *);
1163#endif
83a6ff2e 1164#endif
667e2948 1165
1e743fda
JH		 1166#ifdef SETERRNO
1167# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1168#endif
f86702cc 1169
1170#ifdef VMS
1171# define SETERRNO(errcode,vmserrcode) \
1172 STMT_START { \
1173 set_errno(errcode); \
1174 set_vaxc_errno(vmserrcode); \
1175 } STMT_END
4ee39169
CS		 1176# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1177# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1178# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1179# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1180
93189314
JH		 1181# define LIB_INVARG LIB$_INVARG
1182# define RMS_DIR RMS$_DIR
1183# define RMS_FAC RMS$_FAC
1184# define RMS_FEX RMS$_FEX
1185# define RMS_FNF RMS$_FNF
1186# define RMS_IFI RMS$_IFI
1187# define RMS_ISI RMS$_ISI
1188# define RMS_PRV RMS$_PRV
1189# define SS_ACCVIO SS$_ACCVIO
1190# define SS_DEVOFFLINE SS$_DEVOFFLINE
1191# define SS_IVCHAN SS$_IVCHAN
1192# define SS_NORMAL SS$_NORMAL
8a9f18be 1193# define SS_NOPRIV SS$_NOPRIV
748a9306 1194#else
93189314
JH		 1195# define LIB_INVARG 0
1196# define RMS_DIR 0
1197# define RMS_FAC 0
1198# define RMS_FEX 0
1199# define RMS_FNF 0
1200# define RMS_IFI 0
1201# define RMS_ISI 0
1202# define RMS_PRV 0
1203# define SS_ACCVIO 0
1204# define SS_DEVOFFLINE 0
1205# define SS_IVCHAN 0
1206# define SS_NORMAL 0
8a9f18be 1207# define SS_NOPRIV 0
748a9306 1208#endif
ed6116ce 1209
6ca940a9
TC		 1210#ifdef WIN32
1211# define dSAVEDERRNO int saved_errno; DWORD saved_win32_errno
1212# define dSAVE_ERRNO int saved_errno = errno; DWORD saved_win32_errno = GetLastError()
1213# define SAVE_ERRNO ( saved_errno = errno, saved_win32_errno = GetLastError() )
1214# define RESTORE_ERRNO ( errno = saved_errno, SetLastError(saved_win32_errno) )
1215#endif
1216
1217#ifdef OS2
1218# define dSAVEDERRNO int saved_errno; unsigned long saved_os2_errno
1219# define dSAVE_ERRNO int saved_errno = errno; unsigned long saved_os2_errno = Perl_rc
1220# define SAVE_ERRNO ( saved_errno = errno, saved_os2_errno = Perl_rc )
1221# define RESTORE_ERRNO ( errno = saved_errno, Perl_rc = saved_os2_errno )
1222#endif
1223
1224#ifndef SETERRNO
1225# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
1226#endif
1227
1228#ifndef dSAVEDERRNO
1229# define dSAVEDERRNO int saved_errno
1230# define dSAVE_ERRNO int saved_errno = errno
1231# define SAVE_ERRNO (saved_errno = errno)
1232# define RESTORE_ERRNO (errno = saved_errno)
1233#endif
1234
f5fa9033 1235#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC		 1236
1237#define CLEAR_ERRSV() STMT_START { \
1238 if (!GvSV(PL_errgv)) { \
1239 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1240 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1241 SvREFCNT_dec(GvSV(PL_errgv)); \
1242 GvSV(PL_errgv) = newSVpvs(""); \
1243 } else { \
1244 SV *const errsv = GvSV(PL_errgv); \
1245 sv_setpvs(errsv, ""); \
1246 if (SvMAGICAL(errsv)) { \
1247 mg_free(errsv); \
1248 } \
1249 SvPOK_only(errsv); \
1250 } \
1251 } STMT_END
1252
1253
414bf5ae
MHM		 1254#ifdef PERL_CORE
1255# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC		 1256# define DEFSV_set(sv) \
1257 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1258# define SAVE_DEFSV \
1259 ( \
1260 save_gp(PL_defgv, 0), \
1261 GvINTRO_off(PL_defgv), \
1262 SAVEGENERICSV(GvSV(PL_defgv)), \
1263 GvSV(PL_defgv) = NULL \
1264 )
414bf5ae
MHM		 1265#else
1266# define DEFSV GvSVn(PL_defgv)
55b5114f
FC		 1267# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1268# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1269#endif
38a03e6e 1270
55497cff 1271#ifndef errno
5ff3f7a4
GS		 1272 extern int errno; /* ANSI allows errno to be an lvalue expr.
1273 * For example in multithreaded environments
1274 * something like this might happen:
1275 * extern int *_errno(void);
1276 * #define errno (*_errno()) */
d9d8d8de 1277#endif
663a0e37 1278
7e996671
KW		 1279#define UNKNOWN_ERRNO_MSG "(unknown)"
1280
2304df62 1281#ifdef HAS_STRERROR
b3e384bf 1282# ifndef DONT_DECLARE_STD
a0d0e21e 1283# ifdef VMS
20ce7b12 1284 char *strerror (int,...);
a0d0e21e 1285# else
20ce7b12 1286 char *strerror (int);
a0d0e21e 1287# endif
b3e384bf
KW		 1288# endif
1289# ifndef Strerror
1290# define Strerror strerror
1291# endif
2304df62
AD		 1292#else
1293# ifdef HAS_SYS_ERRLIST
79072805
LW		 1294 extern int sys_nerr;
1295 extern char *sys_errlist[];
2304df62
AD		 1296# ifndef Strerror
1297# define Strerror(e) \
7e996671 1298 ((e) < 0 || (e) >= sys_nerr ? UNKNOWN_ERRNO_MSG : sys_errlist[e])
2304df62 1299# endif
79072805 1300# endif
35c8bce7 1301#endif
663a0e37 1302
2304df62 1303#ifdef I_SYS_IOCTL
79072805
LW		 1304# ifndef _IOCTL_
1305# include <sys/ioctl.h>
1306# endif
a687059c
LW		 1307#endif
1308
ee0007ab 1309#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1310# ifdef HAS_SOCKETPAIR
1311# undef HAS_SOCKETPAIR
1312# endif
2304df62
AD		 1313# ifdef I_NDBM
1314# undef I_NDBM
79072805 1315# endif
a687059c
LW		 1316#endif
1317
02fc2eee
NC		 1318#ifndef HAS_SOCKETPAIR
1319# ifdef HAS_SOCKET
1320# define socketpair Perl_my_socketpair
1321# endif
1322#endif
1323
a687059c 1324#if INTSIZE == 2
79072805
LW		 1325# define htoni htons
1326# define ntohi ntohs
a687059c 1327#else
79072805
LW		 1328# define htoni htonl
1329# define ntohi ntohl
a687059c
LW		 1330#endif
1331
a0d0e21e 1332/* Configure already sets Direntry_t */
35c8bce7 1333#if defined(I_DIRENT)
663a0e37 1334# include <dirent.h>
ae986130 1335#else
fe14fcc3 1336# ifdef I_SYS_NDIR
79a0689e 1337# include <sys/ndir.h>
663a0e37 1338# else
fe14fcc3 1339# ifdef I_SYS_DIR
79a0689e
LW		 1340# ifdef hp9000s500
1341# include <ndir.h> /* may be wrong in the future */
1342# else
1343# include <sys/dir.h>
1344# endif
663a0e37
LW		 1345# endif
1346# endif
4633a7c4 1347#endif
a687059c 1348
c623bd54
LW		 1349/*
1350 * The following gobbledygook brought to you on behalf of __STDC__.
1351 * (I could just use #ifndef __STDC__, but this is more bulletproof
1352 * in the face of half-implementations.)
1353 */
1354
21e89b5f 1355#if defined(I_SYSMODE)
ca6e1c26
JH		 1356#include <sys/mode.h>
1357#endif
1358
c623bd54
LW		 1359#ifndef S_IFMT
1360# ifdef _S_IFMT
1361# define S_IFMT _S_IFMT
1362# else
1363# define S_IFMT 0170000
1364# endif
1365#endif
1366
1367#ifndef S_ISDIR
1368# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1369#endif
1370
1371#ifndef S_ISCHR
1372# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1373#endif
1374
1375#ifndef S_ISBLK
fe14fcc3
LW		 1376# ifdef S_IFBLK
1377# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1378# else
1379# define S_ISBLK(m) (0)
1380# endif
c623bd54
LW		 1381#endif
1382
1383#ifndef S_ISREG
1384# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1385#endif
1386
1387#ifndef S_ISFIFO
fe14fcc3
LW		 1388# ifdef S_IFIFO
1389# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1390# else
1391# define S_ISFIFO(m) (0)
1392# endif
c623bd54
LW		 1393#endif
1394
1395#ifndef S_ISLNK
1396# ifdef _S_ISLNK
1397# define S_ISLNK(m) _S_ISLNK(m)
1398# else
1399# ifdef _S_IFLNK
1400# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1401# else
1402# ifdef S_IFLNK
1403# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1404# else
1405# define S_ISLNK(m) (0)
1406# endif
1407# endif
1408# endif
1409#endif
1410
1411#ifndef S_ISSOCK
1412# ifdef _S_ISSOCK
1413# define S_ISSOCK(m) _S_ISSOCK(m)
1414# else
1415# ifdef _S_IFSOCK
1416# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1417# else
1418# ifdef S_IFSOCK
1419# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1420# else
1421# define S_ISSOCK(m) (0)
1422# endif
1423# endif
1424# endif
1425#endif
1426
1427#ifndef S_IRUSR
1428# ifdef S_IREAD
1429# define S_IRUSR S_IREAD
1430# define S_IWUSR S_IWRITE
1431# define S_IXUSR S_IEXEC
1432# else
1433# define S_IRUSR 0400
1434# define S_IWUSR 0200
1435# define S_IXUSR 0100
1436# endif
fac7cdfc
JS		 1437#endif
1438
1439#ifndef S_IRGRP
1440# ifdef S_IRUSR
1441# define S_IRGRP (S_IRUSR>>3)
1442# define S_IWGRP (S_IWUSR>>3)
1443# define S_IXGRP (S_IXUSR>>3)
1444# else
1445# define S_IRGRP 0040
1446# define S_IWGRP 0020
1447# define S_IXGRP 0010
1448# endif
1449#endif
1450
1451#ifndef S_IROTH
1452# ifdef S_IRUSR
1453# define S_IROTH (S_IRUSR>>6)
1454# define S_IWOTH (S_IWUSR>>6)
1455# define S_IXOTH (S_IXUSR>>6)
1456# else
1457# define S_IROTH 0040
1458# define S_IWOTH 0020
1459# define S_IXOTH 0010
1460# endif
c623bd54
LW		 1461#endif
1462
1463#ifndef S_ISUID
1464# define S_ISUID 04000
1465#endif
1466
1467#ifndef S_ISGID
1468# define S_ISGID 02000
1469#endif
1470
ca6e1c26
JH		 1471#ifndef S_IRWXU
1472# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1473#endif
ca6e1c26
JH		 1474
1475#ifndef S_IRWXG
1476# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1477#endif
ca6e1c26
JH		 1478
1479#ifndef S_IRWXO
1480# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1481#endif
ca6e1c26 1482
b6c36746 1483/* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1484 * which would get included through <sys/file.h >, but that is 3000
1485 * lines in the future. --jhi */
1486
b6c36746 1487#if !defined(S_IREAD) && !defined(__HAIKU__)
ca6e1c26
JH		 1488# define S_IREAD S_IRUSR
1489#endif
1490
b6c36746 1491#if !defined(S_IWRITE) && !defined(__HAIKU__)
ca6e1c26
JH		 1492# define S_IWRITE S_IWUSR
1493#endif
1494
1495#ifndef S_IEXEC
1496# define S_IEXEC S_IXUSR
1497#endif
1498
a0d0e21e 1499#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1500# define SLOPPYDIVIDE
1501#endif
1502
748a9306
LW		 1503#ifdef UV
1504#undef UV
1505#endif
1506
ce582cee
NC		 1507/* For the times when you want the return value of sprintf, and you want it
1508 to be the length. Can't have a thread variable passed in, because C89 has
1509 no varargs macros.
1510*/
1511#ifdef SPRINTF_RETURNS_STRLEN
1512# define my_sprintf sprintf
1513#else
1514# define my_sprintf Perl_my_sprintf
1515#endif
1516
5b692037
JH		 1517/*
1518 * If we have v?snprintf() and the C99 variadic macros, we can just
1519 * use just the v?snprintf(). It is nice to try to trap the buffer
1520 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1521 * gcc statement expressions, then use the function wrappers which try
1522 * to trap the overflow. If we can use the gcc statement expressions,
1523 * we can try that even with the version that uses the C99 variadic
1524 * macros.
5b692037
JH		 1525 */
1526
1208b3dd
JH		 1527/* Note that we do not check against snprintf()/vsnprintf() returning
1528 * negative values because that is non-standard behaviour and we use
1529 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1530 * that should be true only if the snprintf()/vsnprintf() are true
1531 * to the standard. */
1532
dfeee9b1 1533#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1534# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1535# 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 1536# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1537# else
1538# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1539# endif
1540#else
1541# define my_snprintf Perl_my_snprintf
1208b3dd 1542# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1543#endif
1544
dfeee9b1 1545#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1546# ifdef PERL_USE_GCC_BRACE_GROUPS
9e440ecc 1547# 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 1548# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1549# else
1550# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1551# endif
1552#else
1553# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1554# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1555#endif
d9fad198 1556
a6cc4119
SP		 1557#ifdef HAS_STRLCAT
1558# define my_strlcat strlcat
1559#else
1560# define my_strlcat Perl_my_strlcat
1561#endif
1562
1563#ifdef HAS_STRLCPY
1564# define my_strlcpy strlcpy
1565#else
1566# define my_strlcpy Perl_my_strlcpy
1567#endif
1568
05f13f53 1569/*
27d4fb96 1570 The IV type is supposed to be long enough to hold any integral
1571 value or a pointer.
1572 --Andy Dougherty August 1996
1573*/
1574
a22e52b9
JH		 1575typedef IVTYPE IV;
1576typedef UVTYPE UV;
8175356b 1577
10cc9d2a 1578#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1579# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1580# define IV_MAX INT64_MAX
1581# define IV_MIN INT64_MIN
1582# define UV_MAX UINT64_MAX
cae7ae48
JH		 1583# ifndef UINT64_MIN
1584# define UINT64_MIN 0
1585# endif
5ff3f7a4
GS		 1586# define UV_MIN UINT64_MIN
1587# else
1588# define IV_MAX PERL_QUAD_MAX
1589# define IV_MIN PERL_QUAD_MIN
1590# define UV_MAX PERL_UQUAD_MAX
1591# define UV_MIN PERL_UQUAD_MIN
1592# endif
cf2093f6
JH		 1593# define IV_IS_QUAD
1594# define UV_IS_QUAD
79072805 1595#else
8175356b 1596# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1597# define IV_MAX INT32_MAX
1598# define IV_MIN INT32_MIN
716026f9
DL		 1599# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1600# define UV_MAX UINT32_MAX
1601# else
1602# define UV_MAX 4294967295U
1603# endif
cae7ae48
JH		 1604# ifndef UINT32_MIN
1605# define UINT32_MIN 0
1606# endif
5ff3f7a4
GS		 1607# define UV_MIN UINT32_MIN
1608# else
1609# define IV_MAX PERL_LONG_MAX
1610# define IV_MIN PERL_LONG_MIN
1611# define UV_MAX PERL_ULONG_MAX
1612# define UV_MIN PERL_ULONG_MIN
1613# endif
8175356b 1614# if IVSIZE == 8
cf2093f6
JH		 1615# define IV_IS_QUAD
1616# define UV_IS_QUAD
de1c2614
JH		 1617# ifndef HAS_QUAD
1618# define HAS_QUAD
1619# endif
cf2093f6
JH		 1620# else
1621# undef IV_IS_QUAD
1622# undef UV_IS_QUAD
9ea40801 1623#if !defined(PERL_CORE) || defined(USING_MSVC6)
e25d460c
NC		 1624/* We think that removing this decade-old undef this will cause too much
1625 breakage on CPAN for too little gain. (See RT #119753)
9ea40801
SH		 1626 However, we do need HAS_QUAD in the core for use by the drand48 code,
1627 but not for Win32 VC6 because it has poor __int64 support. */
cb4b14d5 1628# undef HAS_QUAD
e25d460c 1629#endif
cf2093f6 1630# endif
79072805 1631#endif
d7d93a81 1632
9a543cee
FC		 1633#define SSize_t_MAX (SSize_t)(~(size_t)0 >> 1)
1634
cae7ae48 1635#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1636#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1637
28e5dec8 1638#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1639#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1640#endif
1641
d460ef45 1642/*
26bb67e2
JH		 1643 * The macros INT2PTR and NUM2PTR are (despite their names)
1644 * bi-directional: they will convert int/float to or from pointers.
1645 * However the conversion to int/float are named explicitly:
1646 * PTR2IV, PTR2UV, PTR2NV.
1647 *
1648 * For int conversions we do not need two casts if pointers are
1649 * the same size as IV and UV. Otherwise we need an explicit
1650 * cast (PTRV) to avoid compiler warnings.
1651 */
56431972
RB		 1652#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1653# define PTRV UV
1654# define INT2PTR(any,d) (any)(d)
1655#else
d460ef45 1656# if PTRSIZE == LONGSIZE
56431972 1657# define PTRV unsigned long
e91e3b10 1658# define PTR2ul(p) (unsigned long)(p)
42718184 1659# else
56431972 1660# define PTRV unsigned
42718184 1661# endif
e91e3b10
RB		 1662#endif
1663
1664#ifndef INT2PTR
56431972 1665# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1666#endif
e91e3b10
RB		 1667
1668#ifndef PTR2ul
1669# define PTR2ul(p) INT2PTR(unsigned long,p)
1670#endif
1671
56431972
RB		 1672#define NUM2PTR(any,d) (any)(PTRV)(d)
1673#define PTR2IV(p) INT2PTR(IV,p)
1674#define PTR2UV(p) INT2PTR(UV,p)
1675#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1676#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1677
8141890a
JH		 1678/* According to strict ANSI C89 one cannot freely cast between
1679 * data pointers and function (code) pointers. There are at least
1680 * two ways around this. One (used below) is to do two casts,
1681 * first the other pointer to an (unsigned) integer, and then
1682 * the integer to the other pointer. The other way would be
1683 * to use unions to "overlay" the pointers. For an example of
1684 * the latter technique, see union dirpu in struct xpvio in sv.h.
1685 * The only feasible use is probably temporarily storing
1686 * function pointers in a data pointer (such as a void pointer). */
1687
e91e3b10
RB		 1688#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1689#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1690
65202027 1691#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1692# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1693# define LONG_DOUBLE_EQUALS_DOUBLE
1694# endif
68d4903c 1695# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1696# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1697# endif
1698#endif
1699
2d4389e4
JH		 1700#ifdef OVR_DBL_DIG
1701/* Use an overridden DBL_DIG */
1702# ifdef DBL_DIG
1703# undef DBL_DIG
1704# endif
1705# define DBL_DIG OVR_DBL_DIG
1706#else
1707/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1708 default value for printing floating point numbers in Gconvert
1709 (see config.h). (It also has other uses, such as figuring out if
1710 a given precision of printing can be done with a double instead of
1711 a long double - Allen).
2d4389e4
JH		 1712*/
1713#ifdef I_LIMITS
1714#include <limits.h>
1715#endif
1716#ifdef I_FLOAT
1717#include <float.h>
1718#endif
1719#ifndef HAS_DBL_DIG
1720#define DBL_DIG 15 /* A guess that works lots of places */
1721#endif
1722#endif
1723
1724#ifdef OVR_LDBL_DIG
1725/* Use an overridden LDBL_DIG */
1726# ifdef LDBL_DIG
1727# undef LDBL_DIG
1728# endif
1729# define LDBL_DIG OVR_LDBL_DIG
1730#else
1731/* The following is all to get LDBL_DIG, in order to pick a nice
1732 default value for printing floating point numbers in Gconvert.
1733 (see config.h)
1734*/
68d4903c
JH		 1735# ifdef I_LIMITS
1736# include <limits.h>
1737# endif
1738# ifdef I_FLOAT
1739# include <float.h>
1740# endif
1741# ifndef HAS_LDBL_DIG
1742# if LONG_DOUBLESIZE == 10
1743# define LDBL_DIG 18 /* assume IEEE */
1744# else
1745# if LONG_DOUBLESIZE == 12
1746# define LDBL_DIG 18 /* gcc? */
1747# else
1748# if LONG_DOUBLESIZE == 16
1749# define LDBL_DIG 33 /* assume IEEE */
1750# else
1751# if LONG_DOUBLESIZE == DOUBLESIZE
1752# define LDBL_DIG DBL_DIG /* bummer */
1753# endif
1754# endif
1755# endif
1756# endif
1757# endif
2d4389e4
JH		 1758#endif
1759
20f6aaab
AS		 1760/*
1761 * This is for making sure we have a good DBL_MAX value, if possible,
1762 * either for usage as NV_MAX or for usage in figuring out if we can
1763 * fit a given long double into a double, if bug-fixing makes it
1764 * necessary to do so. - Allen <allens@cpan.org>
1765 */
1766
205f51d8
AS		 1767#ifdef I_LIMITS
1768# include <limits.h>
20f6aaab
AS		 1769#endif
1770
205f51d8
AS		 1771#ifdef I_VALUES
1772# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1773# include <values.h>
1774# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1775# define DBL_MAX MAXDOUBLE
1776# endif
1777# if defined(MINDOUBLE) && !defined(DBL_MIN)
1778# define DBL_MIN MINDOUBLE
1779# endif
1780# endif
1781#endif /* defined(I_VALUES) */
1782
a22e52b9 1783typedef NVTYPE NV;
8175356b 1784
792d8dab
JH		 1785#ifdef I_IEEEFP
1786# include <ieeefp.h>
1787#endif
923fc586 1788
65202027 1789#ifdef USE_LONG_DOUBLE
923fc586
JH		 1790# ifdef I_SUNMATH
1791# include <sunmath.h>
1792# endif
2d4389e4 1793# define NV_DIG LDBL_DIG
d6c14000
JH		 1794# ifdef LDBL_MANT_DIG
1795# define NV_MANT_DIG LDBL_MANT_DIG
1796# endif
06fc1729
JH		 1797# ifdef LDBL_MIN
1798# define NV_MIN LDBL_MIN
1799# endif
1800# ifdef LDBL_MAX
1801# define NV_MAX LDBL_MAX
1802# endif
1803# ifdef LDBL_MIN_10_EXP
1804# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1805# endif
1806# ifdef LDBL_MAX_10_EXP
1807# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1808# endif
1809# ifdef LDBL_EPSILON
1810# define NV_EPSILON LDBL_EPSILON
1811# endif
f4a14a62
JH		 1812# ifdef LDBL_MAX
1813# define NV_MAX LDBL_MAX
20f6aaab 1814/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1815# else
1816# ifdef HUGE_VALL
1817# define NV_MAX HUGE_VALL
1818# else
1819# ifdef HUGE_VAL
1820# define NV_MAX ((NV)HUGE_VAL)
1821# endif
1822# endif
1823# endif
68d4903c 1824# ifdef HAS_SQRTL
68d4903c
JH		 1825# define Perl_cos cosl
1826# define Perl_sin sinl
1827# define Perl_sqrt sqrtl
1828# define Perl_exp expl
1829# define Perl_log logl
1830# define Perl_atan2 atan2l
1831# define Perl_pow powl
1832# define Perl_floor floorl
1bbae031 1833# define Perl_ceil ceill
68d4903c
JH		 1834# define Perl_fmod fmodl
1835# endif
a3540c92
JH		 1836/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1837# ifdef HAS_MODFL
1838# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1839/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1840 prototype in <math.h> */
1841# ifndef HAS_MODFL_PROTO
a221a8a5 1842EXTERN_C long double modfl(long double, long double *);
51997bc3 1843# endif
03476e8e
JH		 1844# else
1845# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1846 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1847# define Perl_modf(x,y) Perl_my_modfl(x,y)
1848# endif
a3540c92
JH		 1849# endif
1850# ifdef HAS_FREXPL
dff3e0b8 1851# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1852# else
1853# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1854 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1855# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1856# endif
a3540c92 1857# endif
38dbb4c5 1858# ifndef Perl_isnan
758a5d79
JH		 1859# ifdef HAS_ISNANL
1860# define Perl_isnan(x) isnanl(x)
1861# endif
1862# endif
1863# ifndef Perl_isinf
1864# ifdef HAS_FINITEL
1865# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1866# endif
1867# endif
65202027 1868#else
2d4389e4 1869# define NV_DIG DBL_DIG
d6c14000
JH		 1870# ifdef DBL_MANT_DIG
1871# define NV_MANT_DIG DBL_MANT_DIG
1872# endif
06fc1729
JH		 1873# ifdef DBL_MIN
1874# define NV_MIN DBL_MIN
1875# endif
1876# ifdef DBL_MAX
1877# define NV_MAX DBL_MAX
1878# endif
1879# ifdef DBL_MIN_10_EXP
1880# define NV_MIN_10_EXP DBL_MIN_10_EXP
1881# endif
1882# ifdef DBL_MAX_10_EXP
1883# define NV_MAX_10_EXP DBL_MAX_10_EXP
1884# endif
1885# ifdef DBL_EPSILON
1886# define NV_EPSILON DBL_EPSILON
1887# endif
205f51d8 1888# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1889# define NV_MAX DBL_MAX
1890# define NV_MIN DBL_MIN
1891# else
1892# ifdef HUGE_VAL
1893# define NV_MAX HUGE_VAL
1894# endif
1895# endif
65202027
DS		 1896# define Perl_cos cos
1897# define Perl_sin sin
1898# define Perl_sqrt sqrt
1899# define Perl_exp exp
1900# define Perl_log log
1901# define Perl_atan2 atan2
1902# define Perl_pow pow
1903# define Perl_floor floor
1bbae031 1904# define Perl_ceil ceil
65202027 1905# define Perl_fmod fmod
a3540c92 1906# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1907# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1908#endif
1909
1910/* rumor has it that Win32 has _fpclass() */
1911
205f51d8
AS		 1912/* SGI has fpclassl... but not with the same result values,
1913 * and it's via a typedef (not via #define), so will need to redo Configure
1914 * to use. Not worth the trouble, IMO, at least until the below is used
1915 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1916 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1917 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1918
758a5d79
JH		 1919#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1920# ifdef I_IEEFP
1921# include <ieeefp.h>
1922# endif
1923# ifdef I_FP
1924# include <fp.h>
1925# endif
1926# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1927# define Perl_fp_class() fpclassl(x)
1928# else
1929# define Perl_fp_class() fpclass(x)
1930# endif
1931# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1932# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1933# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1934# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1935# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1936# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1937# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1938# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1939# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1940# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1941# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1942# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1943# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1944# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1945# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1946#endif
1947
21e89b5f 1948#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS)
758a5d79
JH		 1949# include <math.h>
1950# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1951# include <fp_class.h>
1952# endif
1953# define Perl_fp_class(x) fp_class(x)
1954# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1955# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1956# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1957# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1958# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1959# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1960# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1961# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1962# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1963# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1964# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1965# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1966# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1967# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1968# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1969#endif
1970
1971#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1972# include <math.h>
1973# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1974# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1975# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1976# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1977# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1978# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1979#endif
1980
1981#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1982# include <math.h>
1983# ifndef _cplusplus
1984# define Perl_fp_class(x) class(x)
1985# else
1986# define Perl_fp_class(x) _class(x)
1987# endif
1988# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1989# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1990# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1991# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1992# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1993# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1994# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1995# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1996# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1997# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1998# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1999# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2000# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2001# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2002# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2003#endif
2004
2005/* rumor has it that Win32 has _isnan() */
2006
2007#ifndef Perl_isnan
a3540c92 2008# ifdef HAS_ISNAN
758a5d79
JH		 2009# define Perl_isnan(x) isnan((NV)x)
2010# else
2011# ifdef Perl_fp_class_nan
2012# define Perl_isnan(x) Perl_fp_class_nan(x)
2013# else
2014# ifdef HAS_UNORDERED
2015# define Perl_isnan(x) unordered((x), 0.0)
2016# else
2017# define Perl_isnan(x) ((x)!=(x))
2018# endif
2019# endif
2020# endif
2021#endif
2022
ca6c63e1
JH		 2023#ifdef UNDER_CE
2024int isnan(double d);
2025#endif
2026
758a5d79
JH		 2027#ifndef Perl_isinf
2028# ifdef HAS_ISINF
2029# define Perl_isinf(x) isinf((NV)x)
a3540c92 2030# else
758a5d79
JH		 2031# ifdef Perl_fp_class_inf
2032# define Perl_isinf(x) Perl_fp_class_inf(x)
2033# else
2034# define Perl_isinf(x) ((x)==NV_INF)
2035# endif
2036# endif
2037#endif
2038
2039#ifndef Perl_isfinite
2040# ifdef HAS_FINITE
2041# define Perl_isfinite(x) finite((NV)x)
2042# else
2043# ifdef HAS_ISFINITE
2044# define Perl_isfinite(x) isfinite(x)
2045# else
2046# ifdef Perl_fp_class_finite
2047# define Perl_isfinite(x) Perl_fp_class_finite(x)
2048# else
2049# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2050# endif
2051# endif
a3540c92 2052# endif
65202027
DS		 2053#endif
2054
a36244b7
JH		 2055/* The default is to use Perl's own atof() implementation (in numeric.c).
2056 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2057 * it is however best to use the native implementation of atof.
2058 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2059 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2060 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2061 * you may need to be using a different function than atof! */
a36244b7
JH		 2062
2063#ifndef USE_PERL_ATOF
2064# ifndef _UNICOS
2065# define USE_PERL_ATOF
2066# endif
2067#else
2068# if USE_PERL_ATOF == 0
2069# undef USE_PERL_ATOF
2070# endif
2071#endif
2072
2073#ifdef USE_PERL_ATOF
2074# define Perl_atof(s) Perl_my_atof(s)
2075# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2076#else
2077# define Perl_atof(s) (NV)atof(s)
2078# define Perl_atof2(s, n) ((n) = atof(s))
2079#endif
cf2093f6 2080
d460ef45 2081/* Previously these definitions used hardcoded figures.
760ac839
LW		 2082 * It is hoped these formula are more portable, although
2083 * no data one way or another is presently known to me.
2084 * The "PERL_" names are used because these calculated constants
2085 * do not meet the ANSI requirements for LONG_MAX, etc., which
2086 * need to be constants acceptable to #if - kja
2087 * define PERL_LONG_MAX 2147483647L
2088 * define PERL_LONG_MIN (-LONG_MAX - 1)
2089 * define PERL ULONG_MAX 4294967295L
2090 */
2091
2092#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2093# include <limits.h>
760ac839 2094#endif
205f51d8 2095/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2096 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2097
99abf803 2098/*
2099 * Try to figure out max and min values for the integral types. THE CORRECT
2100 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2101 * following hacks are used if neither limits.h or values.h provide them:
2102 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2103 * for types < int: (unsigned TYPE)~(unsigned)0
2104 * The argument to ~ must be unsigned so that later signed->unsigned
2105 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2106 * and it must not be smaller than int because ~ does integral promotion.
2107 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2108 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2109 * The latter is a hack which happens to work on some machines but
2110 * does *not* catch any random system, or things like integer types
2111 * with NaN if that is possible.
2112 *
2113 * All of the types are explicitly cast to prevent accidental loss of
2114 * numeric range, and in the hope that they will be less likely to confuse
2115 * over-eager optimizers.
2116 *
2117 */
27d4fb96 2118
99abf803 2119#define PERL_UCHAR_MIN ((unsigned char)0)
2120
2121#ifdef UCHAR_MAX
2122# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2123#else
99abf803 2124# ifdef MAXUCHAR
2125# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2126# else
99abf803 2127# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2128# endif
2129#endif
d460ef45 2130
99abf803 2131/*
2132 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2133 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2134 * depending on local options. Until Configure detects this (or at least
2135 * detects whether the "signed" keyword is available) the CHAR ranges
2136 * will not be included. UCHAR functions normally.
2137 * - kja
2138 */
27d4fb96 2139
99abf803 2140#define PERL_USHORT_MIN ((unsigned short)0)
2141
2142#ifdef USHORT_MAX
2143# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2144#else
99abf803 2145# ifdef MAXUSHORT
2146# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2147# else
ef2f54b0
CB		 2148# ifdef USHRT_MAX
2149# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2150# else
2151# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2152# endif
27d4fb96 2153# endif
2154#endif
2155
27d4fb96 2156#ifdef SHORT_MAX
99abf803 2157# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2158#else
2159# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2160# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2161# else
ef2f54b0
CB		 2162# ifdef SHRT_MAX
2163# define PERL_SHORT_MAX ((short)SHRT_MAX)
2164# else
2165# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2166# endif
27d4fb96 2167# endif
2168#endif
2169
2170#ifdef SHORT_MIN
99abf803 2171# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2172#else
2173# ifdef MINSHORT
99abf803 2174# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2175# else
ef2f54b0
CB		 2176# ifdef SHRT_MIN
2177# define PERL_SHORT_MIN ((short)SHRT_MIN)
2178# else
2179# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2180# endif
27d4fb96 2181# endif
2182#endif
2183
99abf803 2184#ifdef UINT_MAX
2185# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2186#else
99abf803 2187# ifdef MAXUINT
2188# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2189# else
99abf803 2190# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2191# endif
2192#endif
2193
99abf803 2194#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2195
2196#ifdef INT_MAX
99abf803 2197# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2198#else
2199# ifdef MAXINT /* Often used in <values.h> */
99abf803 2200# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2201# else
99abf803 2202# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2203# endif
2204#endif
2205
2206#ifdef INT_MIN
99abf803 2207# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2208#else
2209# ifdef MININT
99abf803 2210# define PERL_INT_MIN ((int)MININT)
27d4fb96 2211# else
2212# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2213# endif
2214#endif
2215
99abf803 2216#ifdef ULONG_MAX
2217# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2218#else
99abf803 2219# ifdef MAXULONG
2220# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2221# else
99abf803 2222# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2223# endif
2224#endif
2225
99abf803 2226#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2227
760ac839 2228#ifdef LONG_MAX
99abf803 2229# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2230#else
2231# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2232# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2233# else
99abf803 2234# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2235# endif
2236#endif
2237
2238#ifdef LONG_MIN
99abf803 2239# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2240#else
2241# ifdef MINLONG
99abf803 2242# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2243# else
27d4fb96 2244# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2245# endif
2246#endif
2247
d7d93a81 2248#ifdef UV_IS_QUAD
99abf803 2249
99abf803 2250# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2251# define PERL_UQUAD_MIN ((UV)0)
99abf803 2252# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2253# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2254
79072805
LW		 2255#endif
2256
ee0007ab 2257typedef MEM_SIZE STRLEN;
450a55e4 2258
79072805
LW		 2259typedef struct op OP;
2260typedef struct cop COP;
2261typedef struct unop UNOP;
2262typedef struct binop BINOP;
2263typedef struct listop LISTOP;
2264typedef struct logop LOGOP;
79072805
LW		 2265typedef struct pmop PMOP;
2266typedef struct svop SVOP;
7934575e 2267typedef struct padop PADOP;
79072805 2268typedef struct pvop PVOP;
79072805
LW		 2269typedef struct loop LOOP;
2270
7aef8e5b 2271#ifdef PERL_CORE
8be227ab
FC		 2272typedef struct opslab OPSLAB;
2273typedef struct opslot OPSLOT;
2274#endif
2275
52db365a 2276typedef struct block_hooks BHK;
1830b3d9 2277typedef struct custom_op XOP;
52db365a 2278
cd1541b2
NC		 2279typedef struct interpreter PerlInterpreter;
2280
d2b3f365 2281/* SGI's <sys/sema.h> has struct sv */
cc3315ba 2282#if defined(__sgi)
d2b3f365 2283# define STRUCT_SV perl_sv
b8d3c5db
JH		 2284#else
2285# define STRUCT_SV sv
2286#endif
2287typedef struct STRUCT_SV SV;
79072805
LW		 2288typedef struct av AV;
2289typedef struct hv HV;
2290typedef struct cv CV;
d2f13c59 2291typedef struct p5rx REGEXP;
79072805 2292typedef struct gp GP;
0c30d9ec 2293typedef struct gv GV;
8990e307 2294typedef struct io IO;
c09156bb 2295typedef struct context PERL_CONTEXT;
79072805
LW		 2296typedef struct block BLOCK;
2297
2298typedef struct magic MAGIC;
2299typedef struct xpv XPV;
2300typedef struct xpviv XPVIV;
ff68c719 2301typedef struct xpvuv XPVUV;
79072805
LW		 2302typedef struct xpvnv XPVNV;
2303typedef struct xpvmg XPVMG;
2304typedef struct xpvlv XPVLV;
d361b004 2305typedef struct xpvinvlist XINVLIST;
79072805
LW		 2306typedef struct xpvav XPVAV;
2307typedef struct xpvhv XPVHV;
2308typedef struct xpvgv XPVGV;
2309typedef struct xpvcv XPVCV;
2310typedef struct xpvbm XPVBM;
2311typedef struct xpvfm XPVFM;
8990e307 2312typedef struct xpvio XPVIO;
79072805
LW		 2313typedef struct mgvtbl MGVTBL;
2314typedef union any ANY;
5f7fde29
GS		 2315typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2316typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2317typedef struct clone_params CLONE_PARAMS;
2318
35e035cc 2319/* a pad or name pad is currently just an AV; but that might change,
7261499d
FC		 2320 * so hide the type. */
2321typedef struct padlist PADLIST;
67634234 2322typedef AV PAD;
35e035cc
FC		 2323typedef AV PADNAMELIST;
2324typedef SV PADNAME;
67634234 2325
13b0f67d
DM		 2326/* enable PERL_NEW_COPY_ON_WRITE by default */
2327#if !defined(PERL_OLD_COPY_ON_WRITE) && !defined(PERL_NEW_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2328# define PERL_NEW_COPY_ON_WRITE
2329#endif
07d01d6e 2330
db2c6cb3
FC		 2331#if defined(PERL_OLD_COPY_ON_WRITE) || defined(PERL_NEW_COPY_ON_WRITE)
2332# if defined(PERL_OLD_COPY_ON_WRITE) && defined(PERL_NEW_COPY_ON_WRITE)
2333# error PERL_OLD_COPY_ON_WRITE and PERL_NEW_COPY_ON_WRITE are exclusive
2334# else
2335# define PERL_ANY_COW
2336# endif
9f351b45
DM		 2337#else
2338# define PERL_SAWAMPERSAND
db2c6cb3
FC		 2339#endif
2340
378cc40b 2341#include "handy.h"
a0d0e21e 2342
6b8eaf93 2343#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2344# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2345# define USE_64_BIT_RAWIO /* implicit */
2346# endif
4564133c
JH		 2347#endif
2348
6b8eaf93
JH		 2349/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2350 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2351 * however, because operating systems like to do that themself. */
2352#ifndef FSEEKSIZE
2353# ifdef HAS_FSEEKO
2354# define FSEEKSIZE LSEEKSIZE
2355# else
2356# define FSEEKSIZE LONGSIZE
d460ef45 2357# endif
6b8eaf93
JH		 2358#endif
2359
2360#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2361# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2362# define USE_64_BIT_STDIO /* implicit */
2363# endif
2364#endif
4564133c 2365
09458382 2366#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2367# ifdef HAS_OFF64_T
2368# undef Off_t
2369# define Off_t off64_t
2370# undef LSEEKSIZE
2371# define LSEEKSIZE 8
5ff3f7a4 2372# endif
d9b3e12d
JH		 2373/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2374 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2375 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2376# if defined(USE_OPEN64)
2377# define open open64
5ff3f7a4 2378# endif
d9b3e12d
JH		 2379# if defined(USE_LSEEK64)
2380# define lseek lseek64
6b8eaf93
JH		 2381# else
2382# if defined(USE_LLSEEK)
2383# define lseek llseek
2384# endif
d9b3e12d
JH		 2385# endif
2386# if defined(USE_STAT64)
2387# define stat stat64
2388# endif
2389# if defined(USE_FSTAT64)
2390# define fstat fstat64
2391# endif
2392# if defined(USE_LSTAT64)
2393# define lstat lstat64
2394# endif
2395# if defined(USE_FLOCK64)
2396# define flock flock64
2397# endif
2398# if defined(USE_LOCKF64)
2399# define lockf lockf64
2400# endif
2401# if defined(USE_FCNTL64)
2402# define fcntl fcntl64
2403# endif
2404# if defined(USE_TRUNCATE64)
2405# define truncate truncate64
2406# endif
2407# if defined(USE_FTRUNCATE64)
2408# define ftruncate ftruncate64
2409# endif
2410#endif
2411
2412#ifdef USE_64_BIT_STDIO
2413# ifdef HAS_FPOS64_T
2414# undef Fpos_t
2415# define Fpos_t fpos64_t
2416# endif
2417/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2418 * will trigger defines like the ones below. Some 64-bit environments,
2419 * however, do not. */
2420# if defined(USE_FOPEN64)
2421# define fopen fopen64
2422# endif
2423# if defined(USE_FSEEK64)
6b8eaf93 2424# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2425# endif
2426# if defined(USE_FTELL64)
6b8eaf93 2427# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2428# endif
2429# if defined(USE_FSETPOS64)
2430# define fsetpos fsetpos64
2431# endif
2432# if defined(USE_FGETPOS64)
2433# define fgetpos fgetpos64
2434# endif
2435# if defined(USE_TMPFILE64)
2436# define tmpfile tmpfile64
2437# endif
2438# if defined(USE_FREOPEN64)
2439# define freopen freopen64
5ff3f7a4
GS		 2440# endif
2441#endif
2442
e37778c2 2443#if defined(OS2)
2c2d71f5
JH		 2444# include "iperlsys.h"
2445#endif
2446
748a9306 2447#ifdef DOSISH
19848b3f
JH		 2448# if defined(OS2)
2449# include "os2ish.h"
2450# else
2451# include "dosish.h"
2452# endif
009819bb 2453#elif defined(VMS)
748a9306 2454# include "vmsish.h"
009819bb 2455#elif defined(PLAN9)
19848b3f 2456# include "./plan9/plan9ish.h"
009819bb 2457#elif defined(__VOS__)
196918b0
PG		 2458# ifdef __GNUC__
2459# include "./vos/vosish.h"
2460# else
2461# include "vos/vosish.h"
2462# endif
009819bb 2463#elif defined(__SYMBIAN32__)
27da23d5 2464# include "symbian/symbianish.h"
009819bb 2465#elif defined(__HAIKU__)
df00ff3b 2466# include "haiku/haikuish.h"
009819bb 2467#else
19848b3f 2468# include "unixish.h"
13b6e58c
JH		 2469#endif
2470
2946a158
JH		 2471/* NSIG logic from Configure --> */
2472/* Strange style to avoid deeply-nested #if/#else/#endif */
2473#ifndef NSIG
2474# ifdef _NSIG
2475# define NSIG (_NSIG)
2476# endif
2477#endif
2478
2479#ifndef NSIG
2480# ifdef SIGMAX
2481# define NSIG (SIGMAX+1)
2482# endif
2483#endif
2484
2485#ifndef NSIG
2486# ifdef SIG_MAX
2487# define NSIG (SIG_MAX+1)
2488# endif
2489#endif
2490
2491#ifndef NSIG
2492# ifdef _SIG_MAX
2493# define NSIG (_SIG_MAX+1)
2494# endif
2495#endif
2496
2497#ifndef NSIG
2498# ifdef MAXSIG
2499# define NSIG (MAXSIG+1)
2500# endif
2501#endif
2502
2503#ifndef NSIG
2504# ifdef MAX_SIG
2505# define NSIG (MAX_SIG+1)
2506# endif
2507#endif
2508
2509#ifndef NSIG
2510# ifdef SIGARRAYSIZE
2511# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2512# endif
2513#endif
2514
2515#ifndef NSIG
2516# ifdef _sys_nsig
2517# define NSIG (_sys_nsig) /* Solaris 2.5 */
2518# endif
2519#endif
2520
2521/* Default to some arbitrary number that's big enough to get most
2522 of the common signals.
2523*/
2524#ifndef NSIG
2525# define NSIG 50
2526#endif
2527/* <-- NSIG logic from Configure */
2528
13b6e58c
JH		 2529#ifndef NO_ENVIRON_ARRAY
2530# define USE_ENVIRON_ARRAY
2531#endif
32f822de 2532
c77b533b
JH		 2533/*
2534 * initialise to avoid floating-point exceptions from overflow, etc
2535 */
2536#ifndef PERL_FPU_INIT
2537# ifdef HAS_FPSETMASK
2538# if HAS_FLOATINGPOINT_H
2539# include <floatingpoint.h>
2540# endif
ad3a8c67
NC		 2541/* Some operating systems have this as a macro, which in turn expands to a comma
2542 expression, and the last sub-expression is something that gets calculated,
2543 and then they have the gall to warn that a value computed is not used. Hence
2544 cast to void. */
2545# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2546# else
2f42fcb0 2547# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2548# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2549# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2550# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2551# else
2552# define PERL_FPU_INIT
2f42fcb0 2553
7014c407 2554# endif
c77b533b
JH		 2555# endif
2556#endif
b35112e7
CS		 2557#ifndef PERL_FPU_PRE_EXEC
2558# define PERL_FPU_PRE_EXEC {
2559# define PERL_FPU_POST_EXEC }
2560#endif
c77b533b 2561
cbec8ebe
DM		 2562#ifndef PERL_SYS_INIT3_BODY
2563# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2564#endif
2565
eb533572 2566/*
dcccc8ff
KW		 2567=head1 Miscellaneous Functions
2568
4ad9e498 2569=for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
eb533572 2570Provides system-specific tune up of the C runtime environment necessary to
72d33970 2571run Perl interpreters. This should be called only once, before creating
eb533572
DM		 2572any Perl interpreters.
2573
4ad9e498 2574=for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
eb533572 2575Provides system-specific tune up of the C runtime environment necessary to
72d33970 2576run Perl interpreters. This should be called only once, before creating
eb533572
DM		 2577any Perl interpreters.
2578
2579=for apidoc Am|void|PERL_SYS_TERM|
2580Provides system-specific clean up of the C runtime environment after
72d33970 2581running Perl interpreters. This should be called only once, after
eb533572
DM		 2582freeing any remaining Perl interpreters.
2583
2584=cut
2585 */
2586
cbec8ebe
DM		 2587#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2588#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2589#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2590
be708cc0
JH		 2591#ifndef PERL_WRITE_MSG_TO_CONSOLE
2592# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2593#endif
2594
0f31cffe
GS		 2595#ifndef MAXPATHLEN
2596# ifdef PATH_MAX
b990c8b2
JH		 2597# ifdef _POSIX_PATH_MAX
2598# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2599/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2600 * included the null byte or not. Later amendments of POSIX,
2601 * XPG4, the Austin Group, and the Single UNIX Specification
2602 * all explicitly include the null byte in the PATH_MAX.
2603 * Ditto for _POSIX_PATH_MAX. */
2604# define MAXPATHLEN PATH_MAX
b990c8b2 2605# else
09448d78 2606# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2607# endif
2608# else
2609# define MAXPATHLEN (PATH_MAX+1)
2610# endif
0f31cffe 2611# else
d552bce8 2612# define MAXPATHLEN 1024 /* Err on the large side. */
0f31cffe
GS		 2613# endif
2614#endif
2615
c80263a8
SH		 2616/* In case Configure was not used (we are using a "canned config"
2617 * such as Win32, or a cross-compilation setup, for example) try going
2618 * by the gcc major and minor versions. One useful URL is
2619 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2620 * but contrary to this information warn_unused_result seems
2621 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2622 * Also, when building extensions with an installed perl, this allows
2623 * the user to upgrade gcc and get the right attributes, rather than
2624 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2625 * Set these up now otherwise we get confused when some of the <*thread.h>
2626 * includes below indirectly pull in <perlio.h> (which needs to know if we
2627 * have HASATTRIBUTE_FORMAT).
2628 */
2629
4d7c7898 2630#ifndef PERL_MICRO
fc2007d4 2631#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2632# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2633# define HASATTRIBUTE_DEPRECATED
2634# endif
c80263a8
SH		 2635# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2636# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2637# if defined __MINGW32__
2638# define PRINTF_FORMAT_NULL_OK
2639# endif
c80263a8
SH		 2640# endif
2641# if __GNUC__ >= 3 /* 3.0 -> */
2642# define HASATTRIBUTE_MALLOC
2643# endif
2644# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2645# define HASATTRIBUTE_NONNULL
2646# endif
2647# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2648# define HASATTRIBUTE_NORETURN
2649# endif
2650# if __GNUC__ >= 3 /* gcc 3.0 -> */
2651# define HASATTRIBUTE_PURE
2652# endif
42bf5550 2653# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2654# define HASATTRIBUTE_UNUSED
2655# endif
d324fe49
AD		 2656# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2657# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2658# endif
c80263a8
SH		 2659# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2660# define HASATTRIBUTE_WARN_UNUSED_RESULT
2661# endif
2662#endif
00f254e2 2663#endif /* #ifndef PERL_MICRO */
c80263a8 2664
3db8f154 2665/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2666 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2667 * this results in many functions being undeclared which bothers C++
2668 * May make sense to have threads after "*ish.h" anyway
2669 */
2670
3db8f154 2671#if defined(USE_ITHREADS)
2986a63f
JH		 2672# ifdef NETWARE
2673# include <nw5thread.h>
2674# else
32f822de
GS		 2675# ifdef WIN32
2676# include <win32thread.h>
2677# else
dd96f567
IZ		 2678# ifdef OS2
2679# include "os2thread.h"
2680# else
7f3d1cf1 2681# ifdef I_MACH_CTHREADS
bdd66968 2682# include <mach/cthreads.h>
7f3d1cf1
BH		 2683typedef cthread_t perl_os_thread;
2684typedef mutex_t perl_mutex;
2685typedef condition_t perl_cond;
2686typedef void * perl_key;
2687# else /* Posix threads */
1f5ae88c
JH		 2688# ifdef I_PTHREAD
2689# include <pthread.h>
2690# endif
7f3d1cf1
BH		 2691typedef pthread_t perl_os_thread;
2692typedef pthread_mutex_t perl_mutex;
2693typedef pthread_cond_t perl_cond;
2694typedef pthread_key_t perl_key;
2695# endif /* I_MACH_CTHREADS */
dd96f567 2696# endif /* OS2 */
32f822de 2697# endif /* WIN32 */
ef4abe76 2698# endif /* NETWARE */
3db8f154 2699#endif /* USE_ITHREADS */
c5be433b 2700
66a93824 2701#if defined(WIN32)
1feb2720 2702# include "win32.h"
c5be433b
GS		 2703#endif
2704
2986a63f
JH		 2705#ifdef NETWARE
2706# include "netware.h"
2707#endif
2708
e5218da5 2709#define STATUS_UNIX PL_statusvalue
68dc0745 2710#ifdef VMS
6b88bc9c 2711# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2712/*
2713 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2714 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2715 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2716 * be updated also.
2717 */
2718# include <stsdef.h>
2719# include <ssdef.h>
2720/* Presume this because if VMS changes it, it will require a new
2721 * set of APIs for waiting on children for binary compatibility.
2722 */
2723# define child_offset_bits (8)
2724# ifndef C_FAC_POSIX
2725# define C_FAC_POSIX 0x35A000
2726# endif
2727
2728/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2729 * platform from the existing UNIX or Native status values.
2730 */
2731
37038d91 2732# define STATUS_EXIT \
7a7fd8e0
JM		 2733 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2734 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2735
7a7fd8e0 2736
fb38d079
JM		 2737/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2738 * exit code and shifts the UNIX value over the correct number of bits to
2739 * be a child status. Usually the number of bits is 8, but that could be
2740 * platform dependent. The NATIVE status code is presumed to have either
2741 * from a child process.
7a7fd8e0
JM		 2742 */
2743
fb38d079
JM		 2744/* This is complicated. The child processes return a true native VMS
2745 status which must be saved. But there is an assumption in Perl that
2746 the UNIX child status has some relationship to errno values, so
00f254e2 2747 Perl tries to translate it to text in some of the tests.
fb38d079
JM		 2748 In order to get the string translation correct, for the error, errno
2749 must be EVMSERR, but that generates a different text message
2750 than what the test programs are expecting. So an errno value must
2751 be derived from the native status value when an error occurs.
2752 That will hide the true native status message. With this version of
2753 perl, the true native child status can always be retrieved so that
2754 is not a problem. But in this case, Pl_statusvalue and errno may
2755 have different values in them.
2756 */
7a7fd8e0 2757
fb38d079 2758# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2759 STMT_START { \
2fbb330f
JM		 2760 I32 evalue = (I32)n; \
2761 if (evalue == EVMSERR) { \
2762 PL_statusvalue_vms = vaxc$errno; \
2763 PL_statusvalue = evalue; \
7a7fd8e0 2764 } else { \
2fbb330f 2765 PL_statusvalue_vms = evalue; \
fb38d079 2766 if (evalue == -1) { \
3280af22 2767 PL_statusvalue = -1; \
7a7fd8e0
JM		 2768 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2769 } else \
fb38d079 2770 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2771 set_vaxc_errno(evalue); \
fb38d079
JM		 2772 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2773 set_errno(EVMSERR); \
2774 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2775 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2776 } \
68dc0745 2777 } STMT_END
7a7fd8e0 2778
68dc0745 2779# ifdef VMSISH_STATUS
e5218da5 2780# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2781# else
e5218da5 2782# define STATUS_CURRENT STATUS_UNIX
68dc0745 2783# endif
7a7fd8e0
JM		 2784
2785 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2786 * the NATIVE status to an equivalent value. Can not be used to translate
2787 * exit code values as exit code values are not guaranteed to have any
2788 * relationship at all to errno values.
2789 * This is used when Perl is forcing errno to have a specific value.
2790 */
e5218da5 2791# define STATUS_UNIX_SET(n) \
68dc0745 2792 STMT_START { \
7a7fd8e0 2793 I32 evalue = (I32)n; \
0968cdad 2794 PL_statusvalue = evalue; \
3280af22 2795 if (PL_statusvalue != -1) { \
0968cdad
JM		 2796 if (PL_statusvalue != EVMSERR) { \
2797 PL_statusvalue &= 0xFFFF; \
2798 if (MY_POSIX_EXIT) \
2799 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2800 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2801 } \
2802 else { \
2803 PL_statusvalue_vms = vaxc$errno; \
2804 } \
68dc0745 2805 } \
0968cdad
JM		 2806 else PL_statusvalue_vms = SS$_ABORT; \
2807 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2808 } STMT_END
2809
2810 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 2811 * the NATIVE error status based on it.
2812 *
2813 * When in the default mode to comply with the Perl VMS documentation,
2814 * 0 is a success and any other code sets the NATIVE status to a failure
2815 * code of SS$_ABORT.
fb38d079
JM		 2816 *
2817 * In the new POSIX EXIT mode, native status will be set so that the
2818 * actual exit code will can be retrieved by the calling program or
2819 * shell.
2820 *
2821 * If the exit code is not clearly a UNIX parent or child exit status,
2822 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2823 */
2824
fb38d079 2825# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2826 STMT_START { \
2827 I32 evalue = (I32)n; \
2828 PL_statusvalue = evalue; \
e08e1e1d
JM		 2829 if (MY_POSIX_EXIT) { \
2830 if (evalue <= 0xFF00) { \
2831 if (evalue > 0xFF) \
2832 evalue = (evalue >> child_offset_bits) & 0xFF; \
2833 PL_statusvalue_vms = \
2834 (C_FAC_POSIX | (evalue << 3 ) | \
2835 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
2836 } else /* forgive them Perl, for they have sinned */ \
2837 PL_statusvalue_vms = evalue; \
2838 } else { \
2839 if (evalue == 0) \
2840 PL_statusvalue_vms = SS$_NORMAL; \
2841 else if (evalue <= 0xFF00) \
2842 PL_statusvalue_vms = SS$_ABORT; \
2843 else { /* forgive them Perl, for they have sinned */ \
2844 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2845 else PL_statusvalue_vms = vaxc$errno; \
2846 /* And obviously used a VMS status value instead of UNIX */ \
2847 PL_statusvalue = EVMSERR; \
2848 } \
2849 set_vaxc_errno(PL_statusvalue_vms); \
2850 } \
68dc0745 2851 } STMT_END
fb38d079 2852
e08e1e1d 2853
6ac6a52b
JM		 2854 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2855 * and sets the NATIVE error status based on it. This special case
2856 * is needed to maintain compatibility with past VMS behavior.
2857 *
2858 * In the default mode on VMS, this number is passed through as
2859 * both the NATIVE and UNIX status. Which makes it different
2860 * that the STATUS_UNIX_EXIT_SET.
2861 *
2862 * In the new POSIX EXIT mode, native status will be set so that the
2863 * actual exit code will can be retrieved by the calling program or
2864 * shell.
2865 *
1a3aec58
JM		 2866 * A POSIX exit code is from 0 to 255. If the exit code is higher
2867 * than this, it needs to be assumed that it is a VMS exit code and
2868 * passed through.
6ac6a52b
JM		 2869 */
2870
2871# define STATUS_EXIT_SET(n) \
2872 STMT_START { \
2873 I32 evalue = (I32)n; \
2874 PL_statusvalue = evalue; \
2875 if (MY_POSIX_EXIT) \
1a3aec58
JM		 2876 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
2877 PL_statusvalue_vms = \
2878 (C_FAC_POSIX | (evalue << 3 ) | \
2879 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 2880 else \
2881 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2882 set_vaxc_errno(PL_statusvalue_vms); \
2883 } STMT_END
2884
fb38d079
JM		 2885
2886 /* This macro forces a success status */
7a7fd8e0
JM		 2887# define STATUS_ALL_SUCCESS \
2888 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 2889
2890 /* This macro forces a failure status */
7a7fd8e0
JM		 2891# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2892 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2893 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2894
68dc0745 2895#else
e5218da5 2896# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2897# if defined(WCOREDUMP)
37038d91 2898# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2899 STMT_START { \
2900 PL_statusvalue_posix = (n); \
2901 if (PL_statusvalue_posix == -1) \
2902 PL_statusvalue = -1; \
2903 else { \
2904 PL_statusvalue = \
2905 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2906 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2907 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2908 } \
2909 } STMT_END
2910# elif defined(WIFEXITED)
37038d91 2911# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2912 STMT_START { \
2913 PL_statusvalue_posix = (n); \
2914 if (PL_statusvalue_posix == -1) \
2915 PL_statusvalue = -1; \
2916 else { \
2917 PL_statusvalue = \
2918 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2919 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2920 } \
2921 } STMT_END
2922# else
37038d91 2923# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2924 STMT_START { \
2925 PL_statusvalue_posix = (n); \
2926 if (PL_statusvalue_posix == -1) \
2927 PL_statusvalue = -1; \
2928 else { \
2929 PL_statusvalue = \
2930 PL_statusvalue_posix & 0xFFFF; \
2931 } \
2932 } STMT_END
2933# endif
2934# define STATUS_UNIX_SET(n) \
68dc0745 2935 STMT_START { \
3280af22
NIS		 2936 PL_statusvalue = (n); \
2937 if (PL_statusvalue != -1) \
2938 PL_statusvalue &= 0xFFFF; \
68dc0745 2939 } STMT_END
7a7fd8e0 2940# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2941# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2942# define STATUS_CURRENT STATUS_UNIX
37038d91 2943# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 2944# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2945# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 2946#endif
2947
cc3604b1
GS		 2948/* flags in PL_exit_flags for nature of exit() */
2949#define PERL_EXIT_EXPECTED 0x01
31d77e54 2950#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
6136213b
JGM		 2951#define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */
2952#define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */
cc3604b1 2953
b79b76e0 2954#ifndef PERL_CORE
a7cb1f99 2955/* format to use for version numbers in file/directory names */
273cf8d1 2956/* XXX move to Configure? */
b79b76e0
NC		 2957/* This was only ever used for the current version, and that can be done at
2958 compile time, as PERL_FS_VERSION, so should we just delete it? */
2959# ifndef PERL_FS_VER_FMT
2960# define PERL_FS_VER_FMT "%d.%d.%d"
2961# endif
2962#endif
2963
2964#ifndef PERL_FS_VERSION
2965# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS		 2966#endif
2967
45bc9206 2968/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2969 * performance issue, so we allow people to disable it. Also, if
2970 * we are using stdio, there are broken implementations of fflush(NULL)
2971 * out there, Solaris being the most prominent.
45bc9206
GS		 2972 */
2973#ifndef PERL_FLUSHALL_FOR_CHILD
97cb92d6 2974# if defined(USE_PERLIO) || defined(FFLUSH_NULL)
66fe083f 2975# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2976# else
2977# ifdef FFLUSH_ALL
2978# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2979# else
c5be433b 2980# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2981# endif
66fe083f 2982# endif
45bc9206
GS		 2983#endif
2984
7766f137
GS		 2985#ifndef PERL_WAIT_FOR_CHILDREN
2986# define PERL_WAIT_FOR_CHILDREN NOOP
2987#endif
2988
ba869deb 2989/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2990#ifndef PERL_SET_INTERP
2991# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2992#endif
2993
2994#ifndef PERL_GET_INTERP
2995# define PERL_GET_INTERP (PL_curinterp)
2996#endif
2997
54aff467 2998#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2999# ifdef MULTIPLICITY
ba869deb 3000# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3001# endif
ba869deb
GS		 3002# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3003#endif
3004
00f254e2 3005/*
8896765a 3006 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3007 All that is required is that the perl source does not
00f254e2
KW		 3008 use "%-p" or "%-<number>p" or "%<number>p" formats.
3009 These formats will still work in perl code.
486ec47a 3010 See comments in sv.c for further details.
8896765a 3011
8896765a 3012 Robin Barker 2005-07-14
f46d31f2 3013
00f254e2 3014 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3015*/
8896765a
RB		 3016
3017#ifndef SVf_
63ce7bf0 3018# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3019#endif
3020
8896765a 3021#ifndef SVf
104abab4 3022# define SVf "-p"
d2560b70
RB		 3023#endif
3024
014ead4b 3025#ifndef SVf32
8896765a 3026# define SVf32 SVf_(32)
014ead4b
RB		 3027#endif
3028
3029#ifndef SVf256
8896765a
RB		 3030# define SVf256 SVf_(256)
3031#endif
3032
be2597df
MHM		 3033#define SVfARG(p) ((void*)(p))
3034
20023040
FC		 3035#ifndef HEKf
3036# define HEKf "2p"
3037#endif
3038
b8fa5213
FC		 3039/* Not ideal, but we cannot easily include a number in an already-numeric
3040 * format sequence. */
3041#ifndef HEKf256
3042# define HEKf256 "3p"
3043#endif
3044
20023040
FC		 3045#define HEKfARG(p) ((void*)(p))
3046
b17a0679
FC		 3047/* Takes three arguments: is_utf8, length, str */
3048#ifndef UTF8f
61608bb7 3049# define UTF8f "d%" UVuf "%4p"
b17a0679
FC		 3050#endif
3051#define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
3052
f46d31f2 3053#ifdef PERL_CORE
486ec47a 3054/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB		 3055# undef UVf
3056#else
170cd9e9
NC		 3057# ifndef UVf
3058# define UVf UVuf
3059# endif
d2560b70
RB		 3060#endif
3061
fcdf39cf
RGS		 3062#ifdef HASATTRIBUTE_DEPRECATED
3063# define __attribute__deprecated__ __attribute__((deprecated))
3064#endif
0dbb1585
AL		 3065#ifdef HASATTRIBUTE_FORMAT
3066# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3067#endif
3068#ifdef HASATTRIBUTE_MALLOC
77785eea 3069# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3070#endif
0dbb1585 3071#ifdef HASATTRIBUTE_NONNULL
abb2c242 3072# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3073#endif
0dbb1585 3074#ifdef HASATTRIBUTE_NORETURN
abb2c242 3075# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3076#endif
0dbb1585 3077#ifdef HASATTRIBUTE_PURE
abb2c242 3078# define __attribute__pure__ __attribute__((pure))
f22be1b8 3079#endif
0dbb1585
AL		 3080#ifdef HASATTRIBUTE_UNUSED
3081# define __attribute__unused__ __attribute__((unused))
3082#endif
3083#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3084# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3085#endif
3086
0dbb1585 3087/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3088#ifndef __attribute__deprecated__
3089# define __attribute__deprecated__
3090#endif
0dbb1585
AL		 3091#ifndef __attribute__format__
3092# define __attribute__format__(x,y,z)
3093#endif
f22be1b8 3094#ifndef __attribute__malloc__
abb2c242 3095# define __attribute__malloc__
f22be1b8
JH		 3096#endif
3097#ifndef __attribute__nonnull__
abb2c242 3098# define __attribute__nonnull__(a)
f22be1b8
JH		 3099#endif
3100#ifndef __attribute__noreturn__
abb2c242 3101# define __attribute__noreturn__
f22be1b8
JH		 3102#endif
3103#ifndef __attribute__pure__
abb2c242 3104# define __attribute__pure__
f22be1b8 3105#endif
0dbb1585
AL		 3106#ifndef __attribute__unused__
3107# define __attribute__unused__
3108#endif
f22be1b8 3109#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3110# define __attribute__warn_unused_result__
3111#endif
3112
cd13e623
JH		 3113#if defined(DEBUGGING) && defined(I_ASSERT)
3114# include <assert.h>
3115#endif
3116
0dbb1585
AL		 3117/* For functions that are marked as __attribute__noreturn__, it's not
3118 appropriate to call return. In either case, include the lint directive.
3119 */
3120#ifdef HASATTRIBUTE_NORETURN
ae103e09 3121# define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */
0dbb1585 3122#else
ae103e09 3123# define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */ return 0
abb2c242
JH		 3124#endif
3125
cdfeb707
RB		 3126/* Some OS warn on NULL format to printf */
3127#ifdef PRINTF_FORMAT_NULL_OK
3128# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3129#else
00f254e2 3130# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB		 3131#endif
3132
635aebb7 3133#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3134# define EXPECT(expr,val) __builtin_expect(expr,val)
3135#else
3136# define EXPECT(expr,val) (expr)
3137#endif
6d5abc62
NC		 3138#define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3139#define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
635aebb7
AL		 3140#ifdef HAS_BUILTIN_CHOOSE_EXPR
3141/* placeholder */
3142#endif
b37c2d43 3143
ae103e09
DD		 3144
3145#ifndef __has_builtin
3146# define __has_builtin(x) 0 /* not a clang style compiler */
3147#endif
3148
3149/* ASSUME is like assert(), but it has a benefit in a release build. It is a
3150 hint to a compiler about a statement of fact in a function call free
3151 expression, which allows the compiler to generate better machine code.
3152 In a debug build, ASSUME(x) is a synonym for assert(x). ASSUME(0) means
3153 the control path is unreachable. In a for loop, ASSUME can be used to hint
3154 that a loop will run atleast X times. ASSUME is based off MSVC's __assume
3155 intrinsic function, see its documents for more details.
3156*/
3157
3158#ifndef DEBUGGING
3159# if __has_builtin(__builtin_unreachable) \
3160 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 5) /* 4.5 -> */
3161# define ASSUME(x) ((x) ? (void) 0 : __builtin_unreachable())
3162# elif defined(_MSC_VER)
3163# define ASSUME(x) __assume(x)
3164# elif defined(__ARMCC_VERSION) /* untested */
3165# define ASSUME(x) __promise(x)
3166# else
3167/* a random compiler might define assert to its own special optimization token
3168 so pass it through to C lib as a last resort */
3169# define ASSUME(x) assert(x)
3170# endif
3171#else
3172# define ASSUME(x) assert(x)
3173#endif
3174
3175#define NOT_REACHED ASSUME(0)
3176
3fc1aec6 3177/* Some unistd.h's give a prototype for pause() even though
3178 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3179 below to be rejected by the compiler. Sigh.
3fc1aec6 3180*/
3181#ifdef HAS_PAUSE
3182#define Pause pause
3183#else
3184#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3185#endif
3186
3187#ifndef IOCPARM_LEN
3188# ifdef IOCPARM_MASK
61f1c44b 3189 /* on BSDish systems we're safe */
748a9306
LW		 3190# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3191# else
61f1c44b 3192# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3193 /* on Linux systems we're safe; except when we're not [perl #38223] */
3194# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3195# else
748a9306 3196 /* otherwise guess at what's safe */
61f1c44b
JVD		 3197# define IOCPARM_LEN(x) 256
3198# endif
748a9306 3199# endif
a0d0e21e
LW		 3200#endif
3201
1761cee5 3202#if defined(__CYGWIN__)
521e0776
GS		 3203/* USEMYBINMODE
3204 * This symbol, if defined, indicates that the program should
16fe6d59 3205 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3206 * that a file is in "binary" mode -- that is, that no translation
3207 * of bytes occurs on read or write operations.
3208 */
36894f0b 3209# define USEMYBINMODE /**/
77a40698 3210# include <io.h> /* for setmode() prototype */
16fe6d59 3211# define my_binmode(fp, iotype, mode) \
77a40698 3212 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3213#endif
3214
88d10794
JH		 3215#ifdef __CYGWIN__
3216void init_os_extras(void);
3217#endif
3218
cea2e8a9
GS		 3219#ifdef UNION_ANY_DEFINITION
3220UNION_ANY_DEFINITION;
3221#else
3222union any {
3223 void* any_ptr;
3224 I32 any_i32;
ae103e09 3225 U32 any_u32;
cea2e8a9 3226 IV any_iv;
c6bf6a65 3227 UV any_uv;
cea2e8a9 3228 long any_long;
9febdf04 3229 bool any_bool;
c76ac1ee 3230 void (*any_dptr) (void*);
acfe0abc 3231 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3232};
3233#endif
3234
acfe0abc 3235typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3236
3237#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3238#define FILTER_DATA(idx) \
3239 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3240#define FILTER_ISREADER(idx) \
3241 (PL_parser && PL_parser->rsfp_filters \
3242 && idx >= AvFILLp(PL_parser->rsfp_filters))
3243#define PERL_FILTER_EXISTS(i) \
3244 (PL_parser && PL_parser->rsfp_filters \
b9f2b683 3245 && (i) <= av_tindex(PL_parser->rsfp_filters))
cea2e8a9 3246
c5078cac
JH		 3247#if defined(_AIX) && !defined(_AIX43)
3248#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3249/* We cannot include <crypt.h> to get the struct crypt_data
3250 * because of setkey prototype problems when threading */
3251typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3252 /* From OSF, Not needed in AIX
3253 char C[28], D[28];
3254 */
3255 char E[48];
3256 char KS[16][48];
3257 char block[66];
3258 char iobuf[16];
3259} CRYPTD;
3260#endif /* threading */
3261#endif /* AIX */
3262
e37778c2 3263#if !defined(OS2)
2c2d71f5
JH		 3264# include "iperlsys.h"
3265#endif
504f80c1 3266
9c12f1e5 3267#ifdef __LIBCATAMOUNT__
00f254e2 3268#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS		 3269#undef HAS_GROUP
3270#define FAKE_BIT_BUCKET
3271#endif
3272
d10dc2ae
JH		 3273/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3274 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3275 * defined by Configure, despite their names being similar to the
3276 * other defines like USE_ITHREADS. Configure in fact knows nothing
3277 * about the randomised hashes. Therefore to enable/disable the hash
3278 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3279#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3280# define USE_HASH_SEED
504f80c1
JH		 3281#endif
3282
598921a7
NC		 3283/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3284 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3285 * it's not really needed.
3286 */
3287#if defined(WIN32)
3288# define YYTOKENTYPE
3289#endif
3290#include "perly.h"
3291
598921a7 3292
654eccd5
JD		 3293/* macros to define bit-fields in structs. */
3294#ifndef PERL_BITFIELD8
3295# define PERL_BITFIELD8 unsigned
3296#endif
3297#ifndef PERL_BITFIELD16
3298# define PERL_BITFIELD16 unsigned
3299#endif
3300#ifndef PERL_BITFIELD32
3301# define PERL_BITFIELD32 unsigned
3302#endif
3303
79072805 3304#include "sv.h"
288b8c02 3305#include "regexp.h"
378cc40b 3306#include "util.h"
8d063cd8 3307#include "form.h"
79072805 3308#include "gv.h"
dd2155a4 3309#include "pad.h"
79072805 3310#include "cv.h"
abdd5c84 3311#include "opnames.h"
79072805 3312#include "op.h"
b3ca2e83 3313#include "hv.h"
79072805
LW		 3314#include "cop.h"
3315#include "av.h"
79072805
LW		 3316#include "mg.h"
3317#include "scope.h"
4438c4b7 3318#include "warnings.h"
a0ed51b3 3319#include "utf8.h"
8d063cd8 3320
0d7d409d
DM		 3321/* these would be in doio.h if there was such a file */
3322#define my_stat() my_stat_flags(SV_GMAGIC)
3323#define my_lstat() my_lstat_flags(SV_GMAGIC)
3324
20f4945e 3325/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM		 3326#undef _XPV_HEAD
3327#undef _XPVMG_HEAD
3328#undef _XPVCV_COMMON
7fae4e64
GS		 3329
3330typedef struct _sublex_info SUBLEXINFO;
3331struct _sublex_info {
651b5b28
NC		 3332 U8 super_state; /* lexer state to save */
3333 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3334 OP *sub_op; /* "lex_op" to use */
7cc34111 3335 SV *repl; /* replacement of s/// or y/// */
7fae4e64
GS		 3336};
3337
199e78b7
DM		 3338#include "parser.h"
3339
455ece5e 3340typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3341
2260ab51
KW		 3342#if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_REGEXEC_C)
3343
3344/* These have to be predeclared, as they are used in proto.h which is #included
3345 * before their definitions in regcomp.h. */
3346
3347struct scan_data_t;
7dcac5f6
KW		 3348typedef struct regnode_charclass regnode_charclass;
3349
2260ab51 3350struct regnode_charclass_class;
d1d040e5
KW		 3351
3352/* A hopefully less confusing name. The sub-classes are all Posix classes only
3353 * used under /l matching */
3354typedef struct regnode_charclass_class regnode_charclass_posixl;
3355
b8f7bb16 3356typedef struct regnode_ssc regnode_ssc;
09b2b2e6
KW		 3357typedef struct RExC_state_t RExC_state_t;
3358struct _reg_trie_data;
76e3520e 3359
2260ab51
KW		 3360#endif
3361
5f7fde29
GS		 3362struct ptr_tbl_ent {
3363 struct ptr_tbl_ent* next;
53c1dcc0 3364 const void* oldval;
5f7fde29 3365 void* newval;
d18c6117
GS		 3366};
3367
5f7fde29
GS		 3368struct ptr_tbl {
3369 struct ptr_tbl_ent** tbl_ary;
3370 UV tbl_max;
3371 UV tbl_items;
db93c0c4
NC		 3372 struct ptr_tbl_arena *tbl_arena;
3373 struct ptr_tbl_ent *tbl_arena_next;
3374 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS		 3375};
3376
fe14fcc3
LW		 3377#if defined(htonl) && !defined(HAS_HTONL)
3378#define HAS_HTONL
ae986130 3379#endif
fe14fcc3
LW		 3380#if defined(htons) && !defined(HAS_HTONS)
3381#define HAS_HTONS
ae986130 3382#endif
fe14fcc3
LW		 3383#if defined(ntohl) && !defined(HAS_NTOHL)
3384#define HAS_NTOHL
ae986130 3385#endif
fe14fcc3
LW		 3386#if defined(ntohs) && !defined(HAS_NTOHS)
3387#define HAS_NTOHS
ae986130 3388#endif
fe14fcc3 3389#ifndef HAS_HTONL
fe14fcc3
LW		 3390#define HAS_HTONS
3391#define HAS_HTONL
3392#define HAS_NTOHS
3393#define HAS_NTOHL
8e2d7c44
NC		 3394# if (BYTEORDER & 0xffff) == 0x4321
3395/* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3396 re-order their values. However, to behave identically to the alternative
3397 implementations, they should truncate to the correct size. */
3398# define ntohl(x) ((x)&0xFFFFFFFF)
3399# define htonl(x) ntohl(x)
3400# define ntohs(x) ((x)&0xFFFF)
3401# define htons(x) ntohs(x)
e4b03fed
NC		 3402# elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3403
3404/* Note that we can't straight out declare our own htonl and htons because
3405 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
3406 to avoid the overhead of initialising the socket subsystem, but the headers
3407 that *declare* the various functions are still seen. If we declare our own
3408 htonl etc they will clash with the declarations in the Win32 headers. */
3409
3410PERL_STATIC_INLINE U32
3411my_swap32(const U32 x) {
3412 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
3413 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
3414}
3415
3416PERL_STATIC_INLINE U16
3417my_swap16(const U16 x) {
3418 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
3419}
3420
3421# define htonl(x) my_swap32(x)
3422# define ntohl(x) my_swap32(x)
3423# define ntohs(x) my_swap16(x)
3424# define htons(x) my_swap16(x)
8e2d7c44 3425# else
691a44df
NC		 3426# error "Unsupported byteorder"
3427/* The C pre-processor doesn't let us return the value of BYTEORDER as part of
3428 the error message. Please check the value of the macro BYTEORDER, as defined
3429 in config.h. The values of BYTEORDER we expect are
3430
3431 big endian little endian
3432 32 bit 0x4321 0x1234
3433 64 bit 0x87654321 0x12345678
3434
3435 If you have a system with a different byte order, please see
3436 pod/perlhack.pod for how to submit a patch to add supporting code.
3437*/
3438# endif
a687059c
LW		 3439#endif
3440
988174c1
LW		 3441/*
3442 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3443 * -DWS
3444 */
5ae72479 3445#if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
260c6fee
NC		 3446/* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
3447 re-order their values. However, to behave identically to the alternative
3448 implementations, they should truncate to the correct size. */
3449# define vtohl(x) ((x)&0xFFFFFFFF)
3450# define vtohs(x) ((x)&0xFFFF)
3451# define htovl(x) vtohl(x)
3452# define htovs(x) vtohs(x)
545872c5 3453#elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3454# define vtohl(x) ((((x)&0xFF)<<24) \
3455 +(((x)>>24)&0xFF) \
3456 +(((x)&0x0000FF00)<<8) \
3457 +(((x)&0x00FF0000)>>8) )
3458# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3459# define htovl(x) vtohl(x)
3460# define htovs(x) vtohs(x)
545872c5
NC		 3461#else
3462# error "Unsupported byteorder"
3463/* If you have need for current perl on PDP-11 or similar, and can help test
3464 that blead keeps working on a mixed-endian system, then see
3465 pod/perlhack.pod for how to submit patches to things working again. */
2a8c3029 3466#endif
988174c1 3467
3bb7c1b4
JH		 3468/* *MAX Plus 1. A floating point value.
3469 Hopefully expressed in a way that dodgy floating point can't mess up.
3470 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3471 is added to it
3472 May find that some broken compiler will want the value cast to I32.
3473 [after the shift, as signed >> may not be as secure as unsigned >>]
3474*/
3475#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3476#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3477/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3478 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3479 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3480*/
3481#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3482
3bb7c1b4
JH		 3483#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3484#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3485#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3486
3487/* This may look like unnecessary jumping through hoops, but converting
3488 out of range floating point values to integers *is* undefined behaviour,
3489 and it is starting to bite.
3490*/
3491#ifndef CAST_INLINE
65202027 3492#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3493#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3494#define I_V(what) (cast_iv((NV)(what)))
3495#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3496#else
3497#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3498 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3499 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3500#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3501 : ((n) < U32_MAX_P1 ? (U32) (n) \
3502 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
5d9574c1
DM		 3503#define I_V(n) (LIKELY((n) < IV_MAX_P1) ? (UNLIKELY((n) < IV_MIN) ? IV_MIN : (IV) (n)) \
3504 : (LIKELY((n) < UV_MAX_P1) ? (IV)(UV) (n) \
3bb7c1b4 3505 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
5d9574c1
DM		 3506#define U_V(n) ((n) < 0.0 ? (UNLIKELY((n) < IV_MIN) ? (UV) IV_MIN : (UV)(IV) (n)) \
3507 : (LIKELY((n) < UV_MAX_P1) ? (UV) (n) \
3bb7c1b4
JH		 3508 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3509#endif
3510
3511#define U_S(what) ((U16)U_32(what))
3512#define U_I(what) ((unsigned int)U_32(what))
3513#define U_L(what) U_32(what)
ed6116ce 3514
ed140128
AD		 3515#ifdef HAS_SIGNBIT
3516# define Perl_signbit signbit
3517#endif
3518
2d4389e4
JH		 3519/* These do not care about the fractional part, only about the range. */
3520#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3521#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3522
25da4f38
IZ		 3523/* Used with UV/IV arguments: */
3524 /* XXXX: need to speed it up */
3525#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3526#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3527
352d5a3a
LW		 3528#ifndef MAXSYSFD
3529# define MAXSYSFD 2
3530#endif
ee0007ab 3531
79072805 3532#ifndef __cplusplus
e37d7e38 3533#if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3534Uid_t getuid (void);
3535Uid_t geteuid (void);
3536Gid_t getgid (void);
3537Gid_t getegid (void);
79072805 3538#endif
e1caacb4 3539#endif
8d063cd8 3540
0c30d9ec 3541#ifndef Perl_debug_log
bf49b057
GS		 3542# define Perl_debug_log PerlIO_stderr()
3543#endif
3544
3545#ifndef Perl_error_log
3546# define Perl_error_log (PL_stderrgv \
6b78add2 3547 && isGV(PL_stderrgv) \
01bb7c6d 3548 && GvIOp(PL_stderrgv) \
42de951c 3549 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3550 ? IoOFP(GvIOp(PL_stderrgv)) \
3551 : PerlIO_stderr())
0c30d9ec 3552#endif
3967c732 3553
aea4f609
DM		 3554
3555#define DEBUG_p_FLAG 0x00000001 /* 1 */
3556#define DEBUG_s_FLAG 0x00000002 /* 2 */
3557#define DEBUG_l_FLAG 0x00000004 /* 4 */
3558#define DEBUG_t_FLAG 0x00000008 /* 8 */
3559#define DEBUG_o_FLAG 0x00000010 /* 16 */
3560#define DEBUG_c_FLAG 0x00000020 /* 32 */
3561#define DEBUG_P_FLAG 0x00000040 /* 64 */
3562#define DEBUG_m_FLAG 0x00000080 /* 128 */
3563#define DEBUG_f_FLAG 0x00000100 /* 256 */
3564#define DEBUG_r_FLAG 0x00000200 /* 512 */
3565#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3566#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3567/* U is reserved for Unofficial, exploratory hacking */
3568#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3569#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3570#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3571#define DEBUG_D_FLAG 0x00008000 /* 32768 */
56967202 3572#define DEBUG_S_FLAG 0x00010000 /* 65536 */
aea4f609 3573#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3574#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3575#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3576#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3577#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3578#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3579#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 3580#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3581#define DEBUG_B_FLAG 0x02000000 /*33554432*/
69014004
KW		 3582#define DEBUG_L_FLAG 0x04000000 /*67108864*/
3583#define DEBUG_MASK 0x07FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3584
3585#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3586#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3587 that something was done? */
aea4f609 3588
bd16a5f0
IZ		 3589# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3590# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3591# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3592# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3593# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3594# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3595# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3596# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3597# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3598# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3599# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3600# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3601# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3602# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3603# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3604# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
56967202 3605# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
bd16a5f0
IZ		 3606# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3607# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3608# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3609# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3610# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3611# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3612# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3613# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3614# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
69014004 3615# define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG)
dd2155a4 3616# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3617# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3618# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3619
3967c732 3620#ifdef DEBUGGING
aea4f609 3621
bd16a5f0
IZ		 3622# define DEBUG_p_TEST DEBUG_p_TEST_
3623# define DEBUG_s_TEST DEBUG_s_TEST_
3624# define DEBUG_l_TEST DEBUG_l_TEST_
3625# define DEBUG_t_TEST DEBUG_t_TEST_
3626# define DEBUG_o_TEST DEBUG_o_TEST_
3627# define DEBUG_c_TEST DEBUG_c_TEST_
3628# define DEBUG_P_TEST DEBUG_P_TEST_
3629# define DEBUG_m_TEST DEBUG_m_TEST_
3630# define DEBUG_f_TEST DEBUG_f_TEST_
3631# define DEBUG_r_TEST DEBUG_r_TEST_
3632# define DEBUG_x_TEST DEBUG_x_TEST_
3633# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3634# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3635# define DEBUG_H_TEST DEBUG_H_TEST_
3636# define DEBUG_X_TEST DEBUG_X_TEST_
3637# define DEBUG_D_TEST DEBUG_D_TEST_
56967202 3638# define DEBUG_S_TEST DEBUG_S_TEST_
bd16a5f0
IZ		 3639# define DEBUG_T_TEST DEBUG_T_TEST_
3640# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3641# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3642# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3643# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3644# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3645# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3646# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3647# define DEBUG_B_TEST DEBUG_B_TEST_
69014004 3648# define DEBUG_L_TEST DEBUG_L_TEST_
7949c6f5
JC		 3649# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3650# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3651# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3652
488b0c7a
JH		 3653# define PERL_DEB(a) a
3654# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3655# define DEBUG_p(a) if (DEBUG_p_TEST) a
3656# define DEBUG_s(a) if (DEBUG_s_TEST) a
3657# define DEBUG_l(a) if (DEBUG_l_TEST) a
3658# define DEBUG_t(a) if (DEBUG_t_TEST) a
3659# define DEBUG_o(a) if (DEBUG_o_TEST) a
3660# define DEBUG_c(a) if (DEBUG_c_TEST) a
3661# define DEBUG_P(a) if (DEBUG_P_TEST) a
3662
969058bb
VK		 3663 /* Temporarily turn off memory debugging in case the a
3664 * does memory allocation, either directly or indirectly. */
acfe0abc 3665# define DEBUG_m(a) \
0b250b9e 3666 STMT_START { \
aea4f609 3667 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3668 } STMT_END
aea4f609 3669
5f80b19c
AMS		 3670# define DEBUG__(t, a) \
3671 STMT_START { \
3672 if (t) STMT_START {a;} STMT_END; \
3673 } STMT_END
3674
3675# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3676#ifndef PERL_EXT_RE_BUILD
5f80b19c 3677# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3678#else
3679# define DEBUG_r(a) STMT_START {a;} STMT_END
3680#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3681# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3682# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3683# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3684# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3685# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3686# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3687# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3688# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3689# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3690
56967202 3691# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
5f80b19c
AMS		 3692# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3693# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3694# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3695# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3696# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3697# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3698# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3699# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
69014004 3700# define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
aea4f609
DM		 3701
3702#else /* DEBUGGING */
3703
3704# define DEBUG_p_TEST (0)
3705# define DEBUG_s_TEST (0)
3706# define DEBUG_l_TEST (0)
3707# define DEBUG_t_TEST (0)
3708# define DEBUG_o_TEST (0)
3709# define DEBUG_c_TEST (0)
3710# define DEBUG_P_TEST (0)
3711# define DEBUG_m_TEST (0)
3712# define DEBUG_f_TEST (0)
3713# define DEBUG_r_TEST (0)
3714# define DEBUG_x_TEST (0)
3715# define DEBUG_u_TEST (0)
88d2d28a 3716# define DEBUG_U_TEST (0)
aea4f609
DM		 3717# define DEBUG_H_TEST (0)
3718# define DEBUG_X_TEST (0)
3719# define DEBUG_D_TEST (0)
56967202 3720# define DEBUG_S_TEST (0)
aea4f609 3721# define DEBUG_T_TEST (0)
04932ac8 3722# define DEBUG_R_TEST (0)
1045810a 3723# define DEBUG_J_TEST (0)
d6721266 3724# define DEBUG_v_TEST (0)
46187eeb 3725# define DEBUG_C_TEST (0)
ecae49c0
NC		 3726# define DEBUG_A_TEST (0)
3727# define DEBUG_q_TEST (0)
d7c0d282 3728# define DEBUG_M_TEST (0)
cc8773c0 3729# define DEBUG_B_TEST (0)
69014004 3730# define DEBUG_L_TEST (0)
7949c6f5
JC		 3731# define DEBUG_Xv_TEST (0)
3732# define DEBUG_Uv_TEST (0)
ad9e76a8 3733# define DEBUG_Pv_TEST (0)
aea4f609 3734
488b0c7a
JH		 3735# define PERL_DEB(a)
3736# define PERL_DEBUG(a)
aea4f609
DM		 3737# define DEBUG_p(a)
3738# define DEBUG_s(a)
3739# define DEBUG_l(a)
3740# define DEBUG_t(a)
3741# define DEBUG_o(a)
3742# define DEBUG_c(a)
3743# define DEBUG_P(a)
3744# define DEBUG_m(a)
3745# define DEBUG_f(a)
3746# define DEBUG_r(a)
3747# define DEBUG_x(a)
3748# define DEBUG_u(a)
88d2d28a 3749# define DEBUG_U(a)
aea4f609
DM		 3750# define DEBUG_H(a)
3751# define DEBUG_X(a)
3752# define DEBUG_D(a)
56967202 3753# define DEBUG_S(a)
aea4f609 3754# define DEBUG_T(a)
04932ac8 3755# define DEBUG_R(a)
d6721266 3756# define DEBUG_v(a)
46187eeb 3757# define DEBUG_C(a)
ecae49c0
NC		 3758# define DEBUG_A(a)
3759# define DEBUG_q(a)
d7c0d282 3760# define DEBUG_M(a)
cc8773c0 3761# define DEBUG_B(a)
69014004 3762# define DEBUG_L(a)
7949c6f5
JC		 3763# define DEBUG_Xv(a)
3764# define DEBUG_Uv(a)
ad9e76a8 3765# define DEBUG_Pv(a)
aea4f609
DM		 3766#endif /* DEBUGGING */
3767
3768
b4ab917c 3769#define DEBUG_SCOPE(where) \
d9f81b50 3770 DEBUG_l( \
1c98cc53
DM		 3771 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
3772 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
d9f81b50 3773 __FILE__, __LINE__));
b4ab917c 3774
de84dc04 3775/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3776 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3777
de84dc04 3778#define Perl_assert(what) PERL_DEB( \
2b057284 3779 ((what) ? ((void) 0) : \
67eb4d30 3780 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3781 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3782 (void) 0)))
de84dc04 3783
81d52ecd
JH		 3784/* assert() gets defined if DEBUGGING (and I_ASSERT).
3785 * If no DEBUGGING, the <assert.h> has not been included. */
de84dc04
NC		 3786#ifndef assert
3787# define assert(what) Perl_assert(what)
a446a88f 3788#endif
c7724415
FC		 3789#ifdef DEBUGGING
3790# define assert_(what) assert(what),
3791#else
3792# define assert_(what)
3793#endif
8d063cd8 3794
450a55e4 3795struct ufuncs {
24f81a43
DM		 3796 I32 (*uf_val)(pTHX_ IV, SV*);
3797 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3798 IV uf_index;
450a55e4
LW		 3799};
3800
14befaf4 3801/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3802 * XS code wanting to be backward compatible can do something
3803 * like the following:
c745e42c 3804
24f81a43 3805#ifndef PERL_MG_UFUNC
24f81a43
DM		 3806#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3807#endif
3808
3809static PERL_MG_UFUNC(foo_get, index, val)
3810{
3811 sv_setsv(val, ...);
3812 return TRUE;
3813}
3814
3815-- Doug MacEachern
3816
3817*/
3818
fc9c74e6 3819#ifndef PERL_MG_UFUNC
24f81a43 3820#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3821#endif
24f81a43 3822
fe14fcc3 3823/* Fix these up for __STDC__ */
68dc0745 3824#ifndef DONT_DECLARE_STD
20ce7b12 3825char *mktemp (char*);
37bd1396 3826#ifndef atof
20ce7b12 3827double atof (const char*);
a0d0e21e 3828#endif
37bd1396 3829#endif
79072805 3830
352d5a3a 3831#ifndef STANDARD_C
fe14fcc3 3832/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3833Time_t time();
8d063cd8 3834struct tm *gmtime(), *localtime();
043fec90 3835#if defined(OEMVS)
9d116dd7
JH		 3836char *(strchr)(), *(strrchr)();
3837char *(strcpy)(), *(strcat)();
3838#else
93a17b20 3839char *strchr(), *strrchr();
378cc40b 3840char *strcpy(), *strcat();
9d116dd7 3841#endif
352d5a3a 3842#endif /* ! STANDARD_C */
8d063cd8 3843
79072805
LW		 3844
3845#ifdef I_MATH
3846# include <math.h>
3847#else
32f822de 3848START_EXTERN_C
20ce7b12
GS		 3849 double exp (double);
3850 double log (double);
3851 double log10 (double);
3852 double sqrt (double);
3853 double frexp (double,int*);
3854 double ldexp (double,int);
3855 double modf (double,double*);
3856 double sin (double);
3857 double cos (double);
3858 double atan2 (double,double);
3859 double pow (double,double);
32f822de 3860END_EXTERN_C
79072805
LW		 3861#endif
3862
aa8b85de
JH		 3863#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3864# define NV_INF LDBL_INFINITY
3865#endif
3866#if !defined(NV_INF) && defined(DBL_INFINITY)
3867# define NV_INF (NV)DBL_INFINITY
3868#endif
3869#if !defined(NV_INF) && defined(INFINITY)
3870# define NV_INF (NV)INFINITY
3871#endif
3872#if !defined(NV_INF) && defined(INF)
3873# define NV_INF (NV)INF
3874#endif
3875#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3876# define NV_INF (NV)HUGE_VALL
3877#endif
3878#if !defined(NV_INF) && defined(HUGE_VAL)
3879# define NV_INF (NV)HUGE_VAL
3880#endif
3881
3882#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3883# if !defined(NV_NAN) && defined(LDBL_NAN)
3884# define NV_NAN LDBL_NAN
3885# endif
3886# if !defined(NV_NAN) && defined(LDBL_QNAN)
3887# define NV_NAN LDBL_QNAN
3888# endif
3889# if !defined(NV_NAN) && defined(LDBL_SNAN)
3890# define NV_NAN LDBL_SNAN
3891# endif
3892#endif
3893#if !defined(NV_NAN) && defined(DBL_NAN)
3894# define NV_NAN (NV)DBL_NAN
3895#endif
3896#if !defined(NV_NAN) && defined(DBL_QNAN)
3897# define NV_NAN (NV)DBL_QNAN
3898#endif
3899#if !defined(NV_NAN) && defined(DBL_SNAN)
3900# define NV_NAN (NV)DBL_SNAN
3901#endif
3902#if !defined(NV_NAN) && defined(QNAN)
3903# define NV_NAN (NV)QNAN
3904#endif
3905#if !defined(NV_NAN) && defined(SNAN)
3906# define NV_NAN (NV)SNAN
3907#endif
3908#if !defined(NV_NAN) && defined(NAN)
3909# define NV_NAN (NV)NAN
3910#endif
3911
a0d0e21e 3912#ifndef __cplusplus
f05550c0 3913# if !defined(WIN32) && !defined(VMS)
10bc17b6 3914#ifndef crypt
20ce7b12 3915char *crypt (const char*, const char*);
10bc17b6 3916#endif
f05550c0 3917# endif /* !WIN32 */
26618a56
GS		 3918# ifndef DONT_DECLARE_STD
3919# ifndef getenv
20ce7b12 3920char *getenv (const char*);
26618a56 3921# endif /* !getenv */
739a0b84 3922# if !defined(HAS_LSEEK_PROTO) && !defined(__hpux)
0fc67700 3923# ifdef _FILE_OFFSET_BITS
28ca6303 3924# if _FILE_OFFSET_BITS == 64
20ce7b12 3925Off_t lseek (int,Off_t,int);
0fc67700
JH		 3926# endif
3927# endif
bf0c440f 3928# endif
26618a56 3929# endif /* !DONT_DECLARE_STD */
e37d7e38
SH		 3930# ifndef WIN32
3931# ifndef getlogin
20ce7b12 3932char *getlogin (void);
e37d7e38
SH		 3933# endif
3934# endif /* !WIN32 */
26618a56 3935#endif /* !__cplusplus */
79072805 3936
7a7fd8e0
JM		 3937/* Fixme on VMS. This needs to be a run-time, not build time options */
3938/* Also rename() is affected by this */
16d20bd9 3939#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3940#define UNLINK unlnk
083639a9 3941I32 unlnk (pTHX_ const char*);
8d063cd8 3942#else
80252599 3943#define UNLINK PerlLIO_unlink
8d063cd8 3944#endif
a687059c 3945
fa0a29af
JH		 3946/* some versions of glibc are missing the setresuid() proto */
3947#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3948int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3949#endif
fa0a29af
JH		 3950/* some versions of glibc are missing the setresgid() proto */
3951#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3952int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3953#endif
3954
fe14fcc3 3955#ifndef HAS_SETREUID
85e6fe83
LW		 3956# ifdef HAS_SETRESUID
3957# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3958# define HAS_SETREUID
3959# endif
a687059c 3960#endif
fe14fcc3 3961#ifndef HAS_SETREGID
85e6fe83
LW		 3962# ifdef HAS_SETRESGID
3963# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3964# define HAS_SETREGID
3965# endif
a687059c 3966#endif
ee0007ab 3967
d543acb6 3968/* Sighandler_t defined in iperlsys.h */
ff68c719 3969
3970#ifdef HAS_SIGACTION
3971typedef struct sigaction Sigsave_t;
3972#else
3973typedef Sighandler_t Sigsave_t;
3974#endif
3975
ee0007ab
LW		 3976#define SCAN_DEF 0
3977#define SCAN_TR 1
3978#define SCAN_REPL 2
79072805
LW		 3979
3980#ifdef DEBUGGING
4633a7c4 3981# ifndef register
a0d0e21e
LW		 3982# define register
3983# endif
cea2e8a9 3984# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3985#else
cea2e8a9 3986# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 3987#endif
3988
97cb92d6 3989#if defined(USE_PERLIO)
0934c9d9 3990EXTERN_C void PerlIO_teardown(void);
2f44961c 3991# ifdef USE_ITHREADS
6cb8cb21
RGS		 3992# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
3993# define PERLIO_TERM \
3994 STMT_START { \
d0820ef1 3995 PerlIO_teardown(); \
6cb8cb21
RGS		 3996 MUTEX_DESTROY(&PL_perlio_mutex);\
3997 } STMT_END
3998# else
3999# define PERLIO_INIT
d0820ef1 4000# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 4001# endif
6b29934b
NC		 4002#else
4003# define PERLIO_INIT
4004# define PERLIO_TERM
6cb8cb21
RGS		 4005#endif
4006
18f739ee 4007#ifdef MYMALLOC
772fe5b3 4008# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 4009# define MALLOC_INIT \
4010 STMT_START { \
4011 PL_malloc_mutex = NULL; \
4012 MUTEX_INIT(&PL_malloc_mutex); \
4013 } STMT_END
4014# define MALLOC_TERM \
4015 STMT_START { \
4016 perl_mutex tmp = PL_malloc_mutex; \
4017 PL_malloc_mutex = NULL; \
4018 MUTEX_DESTROY(&tmp); \
4019 } STMT_END
4020# else
4021# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4022# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4023# endif
18f739ee
IZ		 4024#else
4025# define MALLOC_INIT
4026# define MALLOC_TERM
4027#endif
4028
cd1541b2 4029#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 4030
4031struct perl_memory_debug_header;
cd1541b2
NC		 4032struct perl_memory_debug_header {
4033 tTHX interpreter;
b001a0d1 4034# if defined(PERL_POISON) || defined(PERL_DEBUG_READONLY_COW)
cd1541b2 4035 MEM_SIZE size;
cd1541b2 4036# endif
7cb608b5
NC		 4037 struct perl_memory_debug_header *prev;
4038 struct perl_memory_debug_header *next;
b001a0d1
FC		 4039# ifdef PERL_DEBUG_READONLY_COW
4040 bool readonly;
4041# endif
4042};
4043
4044#elif defined(PERL_DEBUG_READONLY_COW)
4045
4046struct perl_memory_debug_header;
4047struct perl_memory_debug_header {
4048 MEM_SIZE size;
cd1541b2
NC		 4049};
4050
b001a0d1
FC		 4051#endif
4052
60175f94 4053#if defined (PERL_TRACK_MEMPOOL) || defined (PERL_DEBUG_READONLY_COW)
b001a0d1 4054
a78adc84
DM		 4055# define PERL_MEMORY_DEBUG_HEADER_SIZE \
4056 (sizeof(struct perl_memory_debug_header) + \
cd1541b2
NC		 4057 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4058 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4059
d8fca402 4060#else
a78adc84 4061# define PERL_MEMORY_DEBUG_HEADER_SIZE 0
cd1541b2
NC		 4062#endif
4063
7cb608b5 4064#ifdef PERL_TRACK_MEMPOOL
b001a0d1 4065# ifdef PERL_DEBUG_READONLY_COW
7cb608b5
NC		 4066# define INIT_TRACK_MEMPOOL(header, interp) \
4067 STMT_START { \
4068 (header).interpreter = (interp); \
4069 (header).prev = (header).next = &(header); \
b001a0d1 4070 (header).readonly = 0; \
7cb608b5 4071 } STMT_END
b001a0d1
FC		 4072# else
4073# define INIT_TRACK_MEMPOOL(header, interp) \
4074 STMT_START { \
4075 (header).interpreter = (interp); \
4076 (header).prev = (header).next = &(header); \
4077 } STMT_END
4078# endif
4079# else
7cb608b5
NC		 4080# define INIT_TRACK_MEMPOOL(header, interp)
4081#endif
4082
1cd66f7c
DD		 4083#ifdef I_MALLOCMALLOC
4084/* Needed for malloc_size(), malloc_good_size() on some systems */
4085# include <malloc/malloc.h>
4086#endif
4087
ca7c1a29
NC		 4088#ifdef MYMALLOC
4089# define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
cfe52898 4090#else
b001a0d1 4091# if defined(HAS_MALLOC_SIZE) && !defined(PERL_DEBUG_READONLY_COW)
e82be400 4092# ifdef PERL_TRACK_MEMPOOL
cfe52898 4093# define Perl_safesysmalloc_size(where) \
a78adc84 4094 (malloc_size(((char *)(where)) - PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
e82be400
NC		 4095# else
4096# define Perl_safesysmalloc_size(where) malloc_size(where)
4097# endif
4098# endif
4099# ifdef HAS_MALLOC_GOOD_SIZE
4100# ifdef PERL_TRACK_MEMPOOL
d8fca402 4101# define Perl_malloc_good_size(how_much) \
a78adc84 4102 (malloc_good_size((how_much) + PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
e82be400
NC		 4103# else
4104# define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4105# endif
4106# else
d8fca402
NC		 4107/* Having this as the identity operation makes some code simpler. */
4108# define Perl_malloc_good_size(how_much) (how_much)
e82be400 4109# endif
ca7c1a29 4110#endif
b6d9d515 4111
16c91539
BM		 4112typedef int (*runops_proc_t)(pTHX);
4113typedef void (*share_proc_t) (pTHX_ SV *sv);
4114typedef int (*thrhook_proc_t) (pTHX);
4115typedef OP* (*PPADDR_t[]) (pTHX);
4116typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4117typedef void (*despatch_signals_proc_t) (pTHX);
22c35a8c 4118
f05550c0
BF		 4119#if defined(__DYNAMIC__) && defined(PERL_DARWIN) && defined(PERL_CORE)
4120# include <crt_externs.h> /* for the env array */
4121# define environ (*_NSGetEnviron())
8f1f23e8
W		 4122#else
4123 /* VMS and some other platforms don't use the environ array */
13b6e58c 4124# ifdef USE_ENVIRON_ARRAY
a6c40364 4125# if !defined(DONT_DECLARE_STD) || \
bdea967c 4126 (defined(__svr4__) && defined(__GNUC__) && defined(__sun)) || \
8d87852b 4127 defined(__sgi)
8f1f23e8 4128extern char ** environ; /* environment variables supplied via exec */
a6c40364 4129# endif
8f1f23e8
W		 4130# endif
4131#endif
79072805 4132
457c5385
NC		 4133#define PERL_PATCHLEVEL_H_IMPLICIT
4134#include "patchlevel.h"
4135#undef PERL_PATCHLEVEL_H_IMPLICIT
4136
4137#define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4138 STRINGIFY(PERL_VERSION) "." \
4139 STRINGIFY(PERL_SUBVERSION)
4140
4141#define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4142 STRINGIFY(PERL_API_VERSION) "." \
4143 STRINGIFY(PERL_API_SUBVERSION)
4144
73c4f7a1
GS		 4145START_EXTERN_C
4146
79072805 4147/* handy constants */
22c35a8c 4148EXTCONST char PL_warn_uninit[]
29489e7c 4149 INIT("Use of uninitialized value%s%s%s");
fef7e7a0 4150EXTCONST char PL_warn_uninit_sv[]
61608bb7 4151 INIT("Use of uninitialized value%" SVf "%s%s");
22c35a8c 4152EXTCONST char PL_warn_nosemi[]
463ee0b2 4153 INIT("Semicolon seems to be missing");
22c35a8c 4154EXTCONST char PL_warn_reserved[]
463ee0b2 4155 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4156EXTCONST char PL_warn_nl[]
93a17b20 4157 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4158EXTCONST char PL_no_wrongref[]
a0d0e21e 4159 INIT("Can't use %s ref as %s ref");
def89bff
NC		 4160/* The core no longer needs these here. If you require the string constant,
4161 please inline a copy into your own code. */
973a7615
NC		 4162EXTCONST char PL_no_symref[] __attribute__deprecated__
4163 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
def89bff
NC		 4164EXTCONST char PL_no_symref_sv[] __attribute__deprecated__
4165 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 4166EXTCONST char PL_no_usym[]
8990e307 4167 INIT("Can't use an undefined value as %s reference");
22c35a8c 4168EXTCONST char PL_no_aelem[]
93a17b20 4169 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4170EXTCONST char PL_no_helem_sv[]
61608bb7 4171 INIT("Modification of non-creatable hash value attempted, subscript \"%" SVf "\"");
22c35a8c 4172EXTCONST char PL_no_modify[]
93a17b20 4173 INIT("Modification of a read-only value attempted");
4cbe3a7d 4174EXTCONST char PL_no_mem[sizeof("Out of memory!\n")]
93a17b20 4175 INIT("Out of memory!\n");
22c35a8c 4176EXTCONST char PL_no_security[]
463ee0b2 4177 INIT("Insecure dependency in %s%s");
22c35a8c 4178EXTCONST char PL_no_sock_func[]
93a17b20 4179 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4180EXTCONST char PL_no_dir_func[]
93a17b20 4181 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4182EXTCONST char PL_no_func[]
93a17b20 4183 INIT("The %s function is unimplemented");
22c35a8c 4184EXTCONST char PL_no_myglob[]
952306ac 4185 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 4186EXTCONST char PL_no_localize_ref[]
4187 INIT("Can't localize through a reference");
27d5b266
JH		 4188EXTCONST char PL_memory_wrap[]
4189 INIT("panic: memory wrap");
93a17b20 4190
58f645e2
NC		 4191EXTCONST char PL_Yes[]
4192 INIT("1");
4193EXTCONST char PL_No[]
4194 INIT("");
4195EXTCONST char PL_hexdigit[]
4196 INIT("0123456789abcdef0123456789ABCDEF");
4197
0447859b
NC		 4198/* This is constant on most architectures, a global on OS/2 */
4199#ifndef OS2
4200EXTCONST char PL_sh_path[]
4201 INIT(SH_PATH); /* full path of shell */
4202#endif
4203
618b9757
NC		 4204#ifdef CSH
4205EXTCONST char PL_cshname[]
4206 INIT(CSH);
4207# define PL_cshlen (sizeof(CSH "") - 1)
4208#endif
4209
457c5385
NC		 4210/* These are baked at compile time into any shared perl library.
4211 In future releases this will allow us in main() to sanity test the
4212 library we're linking against. */
4213
4214EXTCONST U8 PL_revision
4215 INIT(PERL_REVISION);
4216EXTCONST U8 PL_version
4217 INIT(PERL_VERSION);
4218EXTCONST U8 PL_subversion
4219 INIT(PERL_SUBVERSION);
4220
7575fa06 4221EXTCONST char PL_uuemap[65]
80252599
GS		 4222 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4223
79072805 4224#ifdef DOINIT
9444d213 4225EXTCONST char PL_uudmap[256] =
dde5ec2c
NC		 4226# ifdef PERL_MICRO
4227# include "uuudmap.h"
4228# else
4229# include "uudmap.h"
4230# endif
9444d213 4231;
efa50c51 4232EXTCONST char PL_bitcount[256] =
dde5ec2c
NC		 4233# ifdef PERL_MICRO
4234# include "ubitcount.h"
4235#else
4236# include "bitcount.h"
4237# endif
efa50c51 4238;
27da23d5
JH		 4239EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4240EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4241#else
9444d213 4242EXTCONST char PL_uudmap[256];
efa50c51 4243EXTCONST char PL_bitcount[256];
27da23d5
JH		 4244EXTCONST char* const PL_sig_name[];
4245EXTCONST int PL_sig_num[];
79072805
LW		 4246#endif
4247
6d8e7a01
KW		 4248/* fast conversion and case folding tables. The folding tables complement the
4249 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4250 * folds such as outside the range or to multiple characters. */
bbce6d69 4251
79072805 4252#ifdef DOINIT
d02f4dad
KW		 4253#ifndef EBCDIC
4254
4255/* The EBCDIC fold table depends on the code page, and hence is found in
4256 * utfebcdic.h */
4257
22c35a8c 4258EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4259 0, 1, 2, 3, 4, 5, 6, 7,
4260 8, 9, 10, 11, 12, 13, 14, 15,
4261 16, 17, 18, 19, 20, 21, 22, 23,
4262 24, 25, 26, 27, 28, 29, 30, 31,
4263 32, 33, 34, 35, 36, 37, 38, 39,
4264 40, 41, 42, 43, 44, 45, 46, 47,
4265 48, 49, 50, 51, 52, 53, 54, 55,
4266 56, 57, 58, 59, 60, 61, 62, 63,
4267 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4268 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4269 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4270 'x', 'y', 'z', 91, 92, 93, 94, 95,
4271 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4272 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4273 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4274 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4275 128, 129, 130, 131, 132, 133, 134, 135,
4276 136, 137, 138, 139, 140, 141, 142, 143,
4277 144, 145, 146, 147, 148, 149, 150, 151,
4278 152, 153, 154, 155, 156, 157, 158, 159,
4279 160, 161, 162, 163, 164, 165, 166, 167,
4280 168, 169, 170, 171, 172, 173, 174, 175,
4281 176, 177, 178, 179, 180, 181, 182, 183,
4282 184, 185, 186, 187, 188, 189, 190, 191,
4283 192, 193, 194, 195, 196, 197, 198, 199,
4284 200, 201, 202, 203, 204, 205, 206, 207,
4285 208, 209, 210, 211, 212, 213, 214, 215,
4286 216, 217, 218, 219, 220, 221, 222, 223,
4287 224, 225, 226, 227, 228, 229, 230, 231,
4288 232, 233, 234, 235, 236, 237, 238, 239,
4289 240, 241, 242, 243, 244, 245, 246, 247,
4290 248, 249, 250, 251, 252, 253, 254, 255
4291};
3871f40b
KW		 4292EXTCONST unsigned char PL_fold_latin1[] = {
4293 /* Full latin1 complement folding, except for three problematic code points:
4294 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4295 * fold complements outside the Latin1 range, so can't match something
4296 * that isn't in utf8.
4297 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4298 * not one, so can't be represented in this table.
4299 *
4300 * All have to be specially handled */
4301 0, 1, 2, 3, 4, 5, 6, 7,
4302 8, 9, 10, 11, 12, 13, 14, 15,
4303 16, 17, 18, 19, 20, 21, 22, 23,
4304 24, 25, 26, 27, 28, 29, 30, 31,
4305 32, 33, 34, 35, 36, 37, 38, 39,
4306 40, 41, 42, 43, 44, 45, 46, 47,
4307 48, 49, 50, 51, 52, 53, 54, 55,
4308 56, 57, 58, 59, 60, 61, 62, 63,
4309 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4310 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4311 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4312 'x', 'y', 'z', 91, 92, 93, 94, 95,
4313 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4314 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4315 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4316 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4317 128, 129, 130, 131, 132, 133, 134, 135,
4318 136, 137, 138, 139, 140, 141, 142, 143,
4319 144, 145, 146, 147, 148, 149, 150, 151,
4320 152, 153, 154, 155, 156, 157, 158, 159,
4321 160, 161, 162, 163, 164, 165, 166, 167,
4322 168, 169, 170, 171, 172, 173, 174, 175,
4323 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4324 184, 185, 186, 187, 188, 189, 190, 191,
4325 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4326 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4327 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4328 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4329 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4330 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4331 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4332 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4333 255 /* y with diaeresis */
4334};
00f254e2
KW		 4335
4336/* If these tables are accessed through ebcdic, the access will be converted to
4337 * latin1 first */
4338EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4339 0, 1, 2, 3, 4, 5, 6, 7,
4340 8, 9, 10, 11, 12, 13, 14, 15,
4341 16, 17, 18, 19, 20, 21, 22, 23,
4342 24, 25, 26, 27, 28, 29, 30, 31,
4343 32, 33, 34, 35, 36, 37, 38, 39,
4344 40, 41, 42, 43, 44, 45, 46, 47,
4345 48, 49, 50, 51, 52, 53, 54, 55,
4346 56, 57, 58, 59, 60, 61, 62, 63,
4347 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4348 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4349 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4350 'x', 'y', 'z', 91, 92, 93, 94, 95,
4351 96, 97, 98, 99, 100, 101, 102, 103,
4352 104, 105, 106, 107, 108, 109, 110, 111,
4353 112, 113, 114, 115, 116, 117, 118, 119,
4354 120, 121, 122, 123, 124, 125, 126, 127,
4355 128, 129, 130, 131, 132, 133, 134, 135,
4356 136, 137, 138, 139, 140, 141, 142, 143,
4357 144, 145, 146, 147, 148, 149, 150, 151,
4358 152, 153, 154, 155, 156, 157, 158, 159,
4359 160, 161, 162, 163, 164, 165, 166, 167,
4360 168, 169, 170, 171, 172, 173, 174, 175,
4361 176, 177, 178, 179, 180, 181, 182, 183,
4362 184, 185, 186, 187, 188, 189, 190, 191,
4363 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4364 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4365 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4366 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4367 224, 225, 226, 227, 228, 229, 230, 231,
4368 232, 233, 234, 235, 236, 237, 238, 239,
4369 240, 241, 242, 243, 244, 245, 246, 247,
4370 248, 249, 250, 251, 252, 253, 254, 255
4371};
4372
4373/* upper and title case of latin1 characters, modified so that the three tricky
4374 * ones are mapped to 255 (which is one of the three) */
4375EXTCONST unsigned char PL_mod_latin1_uc[] = {
4376 0, 1, 2, 3, 4, 5, 6, 7,
4377 8, 9, 10, 11, 12, 13, 14, 15,
4378 16, 17, 18, 19, 20, 21, 22, 23,
4379 24, 25, 26, 27, 28, 29, 30, 31,
4380 32, 33, 34, 35, 36, 37, 38, 39,
4381 40, 41, 42, 43, 44, 45, 46, 47,
4382 48, 49, 50, 51, 52, 53, 54, 55,
4383 56, 57, 58, 59, 60, 61, 62, 63,
4384 64, 65, 66, 67, 68, 69, 70, 71,
4385 72, 73, 74, 75, 76, 77, 78, 79,
4386 80, 81, 82, 83, 84, 85, 86, 87,
4387 88, 89, 90, 91, 92, 93, 94, 95,
4388 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4389 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4390 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4391 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4392 128, 129, 130, 131, 132, 133, 134, 135,
4393 136, 137, 138, 139, 140, 141, 142, 143,
4394 144, 145, 146, 147, 148, 149, 150, 151,
4395 152, 153, 154, 155, 156, 157, 158, 159,
4396 160, 161, 162, 163, 164, 165, 166, 167,
4397 168, 169, 170, 171, 172, 173, 174, 175,
4398 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4399 184, 185, 186, 187, 188, 189, 190, 191,
4400 192, 193, 194, 195, 196, 197, 198, 199,
4401 200, 201, 202, 203, 204, 205, 206, 207,
4402 208, 209, 210, 211, 212, 213, 214, 215,
4403 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/,
4404 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4405 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4406 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4407 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4408};
1248eb9d 4409#endif /* !EBCDIC, but still in DOINIT */
00f254e2 4410#else /* ! DOINIT */
1248eb9d 4411# ifndef EBCDIC
22c35a8c 4412EXTCONST unsigned char PL_fold[];
3871f40b 4413EXTCONST unsigned char PL_fold_latin1[];
00f254e2
KW		 4414EXTCONST unsigned char PL_mod_latin1_uc[];
4415EXTCONST unsigned char PL_latin1_lc[];
1248eb9d 4416# endif
79072805
LW		 4417#endif
4418
27da23d5 4419#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4420#ifdef DOINIT
27da23d5 4421EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4422 0, 1, 2, 3, 4, 5, 6, 7,
4423 8, 9, 10, 11, 12, 13, 14, 15,
4424 16, 17, 18, 19, 20, 21, 22, 23,
4425 24, 25, 26, 27, 28, 29, 30, 31,
4426 32, 33, 34, 35, 36, 37, 38, 39,
4427 40, 41, 42, 43, 44, 45, 46, 47,
4428 48, 49, 50, 51, 52, 53, 54, 55,
4429 56, 57, 58, 59, 60, 61, 62, 63,
4430 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4431 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4432 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4433 'x', 'y', 'z', 91, 92, 93, 94, 95,
4434 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4435 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4436 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4437 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4438 128, 129, 130, 131, 132, 133, 134, 135,
4439 136, 137, 138, 139, 140, 141, 142, 143,
4440 144, 145, 146, 147, 148, 149, 150, 151,
4441 152, 153, 154, 155, 156, 157, 158, 159,
4442 160, 161, 162, 163, 164, 165, 166, 167,
4443 168, 169, 170, 171, 172, 173, 174, 175,
4444 176, 177, 178, 179, 180, 181, 182, 183,
4445 184, 185, 186, 187, 188, 189, 190, 191,
4446 192, 193, 194, 195, 196, 197, 198, 199,
4447 200, 201, 202, 203, 204, 205, 206, 207,
4448 208, 209, 210, 211, 212, 213, 214, 215,
4449 216, 217, 218, 219, 220, 221, 222, 223,
4450 224, 225, 226, 227, 228, 229, 230, 231,
4451 232, 233, 234, 235, 236, 237, 238, 239,
4452 240, 241, 242, 243, 244, 245, 246, 247,
4453 248, 249, 250, 251, 252, 253, 254, 255
4454};
4455#else
27da23d5 4456EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4457#endif
27da23d5 4458#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4459
4460#ifdef DOINIT
9d116dd7 4461#ifdef EBCDIC
27da23d5 4462EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4463 1, 2, 84, 151, 154, 155, 156, 157,
4464 165, 246, 250, 3, 158, 7, 18, 29,
4465 40, 51, 62, 73, 85, 96, 107, 118,
4466 129, 140, 147, 148, 149, 150, 152, 153,
4467 255, 6, 8, 9, 10, 11, 12, 13,
4468 14, 15, 24, 25, 26, 27, 28, 226,
4469 29, 30, 31, 32, 33, 43, 44, 45,
4470 46, 47, 48, 49, 50, 76, 77, 78,
4471 79, 80, 81, 82, 83, 84, 85, 86,
4472 87, 94, 95, 234, 181, 233, 187, 190,
4473 180, 96, 97, 98, 99, 100, 101, 102,
4474 104, 112, 182, 174, 236, 232, 229, 103,
4475 228, 226, 114, 115, 116, 117, 118, 119,
4476 120, 121, 122, 235, 176, 230, 194, 162,
4477 130, 131, 132, 133, 134, 135, 136, 137,
4478 138, 139, 201, 205, 163, 217, 220, 224,
4479 5, 248, 227, 244, 242, 255, 241, 231,
4480 240, 253, 16, 197, 19, 20, 21, 187,
4481 23, 169, 210, 245, 237, 249, 247, 239,
4482 168, 252, 34, 196, 36, 37, 38, 39,
4483 41, 42, 251, 254, 238, 223, 221, 213,
4484 225, 177, 52, 53, 54, 55, 56, 57,
4485 58, 59, 60, 61, 63, 64, 65, 66,
4486 67, 68, 69, 70, 71, 72, 74, 75,
4487 205, 208, 186, 202, 200, 218, 198, 179,
4488 178, 214, 88, 89, 90, 91, 92, 93,
4489 217, 166, 170, 207, 199, 209, 206, 204,
4490 160, 212, 105, 106, 108, 109, 110, 111,
4491 203, 113, 216, 215, 192, 175, 193, 243,
4492 172, 161, 123, 124, 125, 126, 127, 128,
4493 222, 219, 211, 195, 188, 193, 185, 184,
4494 191, 183, 141, 142, 143, 144, 145, 146
4495};
4496#else /* ascii rather than ebcdic */
22c35a8c 4497EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4498 1, 2, 84, 151, 154, 155, 156, 157,
4499 165, 246, 250, 3, 158, 7, 18, 29,
4500 40, 51, 62, 73, 85, 96, 107, 118,
4501 129, 140, 147, 148, 149, 150, 152, 153,
4502 255, 182, 224, 205, 174, 176, 180, 217,
4503 233, 232, 236, 187, 235, 228, 234, 226,
4504 222, 219, 211, 195, 188, 193, 185, 184,
4505 191, 183, 201, 229, 181, 220, 194, 162,
4506 163, 208, 186, 202, 200, 218, 198, 179,
4507 178, 214, 166, 170, 207, 199, 209, 206,
4508 204, 160, 212, 216, 215, 192, 175, 173,
4509 243, 172, 161, 190, 203, 189, 164, 230,
4510 167, 248, 227, 244, 242, 255, 241, 231,
4511 240, 253, 169, 210, 245, 237, 249, 247,
4512 239, 168, 252, 251, 254, 238, 223, 221,
4513 213, 225, 177, 197, 171, 196, 159, 4,
4514 5, 6, 8, 9, 10, 11, 12, 13,
4515 14, 15, 16, 17, 19, 20, 21, 22,
4516 23, 24, 25, 26, 27, 28, 30, 31,
4517 32, 33, 34, 35, 36, 37, 38, 39,
4518 41, 42, 43, 44, 45, 46, 47, 48,
4519 49, 50, 52, 53, 54, 55, 56, 57,
4520 58, 59, 60, 61, 63, 64, 65, 66,
4521 67, 68, 69, 70, 71, 72, 74, 75,
4522 76, 77, 78, 79, 80, 81, 82, 83,
4523 86, 87, 88, 89, 90, 91, 92, 93,
4524 94, 95, 97, 98, 99, 100, 101, 102,
4525 103, 104, 105, 106, 108, 109, 110, 111,
4526 112, 113, 114, 115, 116, 117, 119, 120,
4527 121, 122, 123, 124, 125, 126, 127, 128,
4528 130, 131, 132, 133, 134, 135, 136, 137,
4529 138, 139, 141, 142, 143, 144, 145, 146
4530};
9d116dd7 4531#endif
79072805 4532#else
22c35a8c 4533EXTCONST unsigned char PL_freq[];
79072805
LW		 4534#endif
4535
b0812ba3
DM		 4536/* Although only used for debugging, these constants must be available in
4537 * non-debugging builds too, since they're used in ext/re/re_exec.c,
4538 * which has DEBUGGING enabled always */
8990e307 4539#ifdef DOINIT
27da23d5 4540EXTCONST char* const PL_block_type[] = {
8990e307 4541 "NULL",
d01136d6 4542 "WHEN",
8990e307 4543 "BLOCK",
0d863452 4544 "GIVEN",
d01136d6
BS		 4545 "LOOP_FOR",
4546 "LOOP_PLAIN",
4547 "LOOP_LAZYSV",
4548 "LOOP_LAZYIV",
76753e7f
NC		 4549 "SUB",
4550 "FORMAT",
4551 "EVAL",
4552 "SUBST"
8990e307
LW		 4553};
4554#else
22c35a8c 4555EXTCONST char* PL_block_type[];
8990e307 4556#endif
8990e307 4557
b75885fd
NC		 4558/* These are all the compile time options that affect binary compatibility.
4559 Other compile time options that are binary compatible are in perl.c
4560 Both are combined for the output of perl -V
4561 However, this string will be embedded in any shared perl library, which will
4562 allow us add a comparison check in perlmain.c in the near future. */
4563#ifdef DOINIT
4564EXTCONST char PL_bincompat_options[] =
4565# ifdef DEBUG_LEAKING_SCALARS
4566 " DEBUG_LEAKING_SCALARS"
4567# endif
4568# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4569 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4570# endif
eba804b9
NC		 4571# ifdef FCRYPT
4572 " FCRYPT"
4573# endif
4574# ifdef HAS_TIMES
4575 " HAS_TIMES"
4576# endif
4577# ifdef HAVE_INTERP_INTERN
426f6eb2 4578 " HAVE_INTERP_INTERN"
eba804b9 4579# endif
b75885fd
NC		 4580# ifdef MULTIPLICITY
4581 " MULTIPLICITY"
4582# endif
4583# ifdef MYMALLOC
4584 " MYMALLOC"
4585# endif
eba804b9
NC		 4586# ifdef PERLIO_LAYERS
4587 " PERLIO_LAYERS"
4588# endif
cb26ef7a
MB		 4589# ifdef PERL_DEBUG_READONLY_COW
4590 " PERL_DEBUG_READONLY_COW"
4591# endif
b75885fd
NC		 4592# ifdef PERL_DEBUG_READONLY_OPS
4593 " PERL_DEBUG_READONLY_OPS"
4594# endif
4595# ifdef PERL_GLOBAL_STRUCT
4596 " PERL_GLOBAL_STRUCT"
4597# endif
4598# ifdef PERL_IMPLICIT_CONTEXT
4599 " PERL_IMPLICIT_CONTEXT"
4600# endif
4601# ifdef PERL_IMPLICIT_SYS
4602 " PERL_IMPLICIT_SYS"
4603# endif
eba804b9
NC		 4604# ifdef PERL_MICRO
4605 " PERL_MICRO"
4606# endif
b75885fd
NC		 4607# ifdef PERL_NEED_APPCTX
4608 " PERL_NEED_APPCTX"
4609# endif
4610# ifdef PERL_NEED_TIMESBASE
4611 " PERL_NEED_TIMESBASE"
4612# endif
4613# ifdef PERL_OLD_COPY_ON_WRITE
4614 " PERL_OLD_COPY_ON_WRITE"
4615# endif
4616# ifdef PERL_POISON
4617 " PERL_POISON"
4618# endif
5b50f57e
FC		 4619# ifdef PERL_SAWAMPERSAND
4620 " PERL_SAWAMPERSAND"
4621# endif
b75885fd
NC		 4622# ifdef PERL_TRACK_MEMPOOL
4623 " PERL_TRACK_MEMPOOL"
4624# endif
4625# ifdef PERL_USES_PL_PIDSTATUS
4626 " PERL_USES_PL_PIDSTATUS"
4627# endif
b75885fd
NC		 4628# ifdef USE_64_BIT_ALL
4629 " USE_64_BIT_ALL"
4630# endif
4631# ifdef USE_64_BIT_INT
4632 " USE_64_BIT_INT"
4633# endif
c7b392fa
NC		 4634# ifdef USE_IEEE
4635 " USE_IEEE"
4636# endif
b75885fd
NC		 4637# ifdef USE_ITHREADS
4638 " USE_ITHREADS"
4639# endif
4640# ifdef USE_LARGE_FILES
4641 " USE_LARGE_FILES"
4642# endif
eba804b9
NC		 4643# ifdef USE_LOCALE_COLLATE
4644 " USE_LOCALE_COLLATE"
4645# endif
4646# ifdef USE_LOCALE_NUMERIC
4647 " USE_LOCALE_NUMERIC"
4648# endif
b75885fd
NC		 4649# ifdef USE_LONG_DOUBLE
4650 " USE_LONG_DOUBLE"
4651# endif
4652# ifdef USE_PERLIO
4653 " USE_PERLIO"
4654# endif
4655# ifdef USE_REENTRANT_API
4656 " USE_REENTRANT_API"
4657# endif
b75885fd
NC		 4658# ifdef USE_SOCKS
4659 " USE_SOCKS"
4660# endif
4f575702
CB		 4661# ifdef VMS_DO_SOCKETS
4662 " VMS_DO_SOCKETS"
4f575702 4663# endif
e8b231c6
CB		 4664# ifdef VMS_SHORTEN_LONG_SYMBOLS
4665 " VMS_SHORTEN_LONG_SYMBOLS"
4666# endif
ad5e438d
NC		 4667# ifdef VMS_WE_ARE_CASE_SENSITIVE
4668 " VMS_SYMBOL_CASE_AS_IS"
4669# endif
a68dd89e 4670 "";
b75885fd
NC		 4671#else
4672EXTCONST char PL_bincompat_options[];
4673#endif
4674
ca7b837b
SM		 4675#ifndef PERL_SET_PHASE
4676# define PERL_SET_PHASE(new_phase) \
cb3f8189 4677 PHASE_CHANGE_PROBE(PL_phase_names[new_phase], PL_phase_names[PL_phase]); \
ca7b837b
SM		 4678 PL_phase = new_phase;
4679#endif
4680
9ebf26ad
FR		 4681/* The interpreter phases. If these ever change, PL_phase_names right below will
4682 * need to be updated accordingly. */
4683enum perl_phase {
4684 PERL_PHASE_CONSTRUCT = 0,
4685 PERL_PHASE_START = 1,
4686 PERL_PHASE_CHECK = 2,
4687 PERL_PHASE_INIT = 3,
4688 PERL_PHASE_RUN = 4,
4689 PERL_PHASE_END = 5,
4690 PERL_PHASE_DESTRUCT = 6
4691};
4692
4693#ifdef DOINIT
4694EXTCONST char *const PL_phase_names[] = {
4695 "CONSTRUCT",
4696 "START",
4697 "CHECK",
4698 "INIT",
4699 "RUN",
4700 "END",
4701 "DESTRUCT"
4702};
4703#else
4704EXTCONST char *const PL_phase_names[];
4705#endif
4706
627364f1
FR		 4707#ifndef PERL_CORE
4708/* Do not use this macro. It only exists for extensions that rely on PL_dirty
4709 * instead of using the newer PL_phase, which provides everything PL_dirty
4710 * provided, and more. */
4711# define PL_dirty (PL_phase == PERL_PHASE_DESTRUCT)
66978156
FC		 4712
4713# define PL_amagic_generation PL_na
627364f1
FR		 4714#endif /* !PERL_CORE */
4715
823ac2c8
FC		 4716#define PL_hints PL_compiling.cop_hints
4717
73c4f7a1
GS		 4718END_EXTERN_C
4719
79072805
LW		 4720/*****************************************************************************/
4721/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4722/*****************************************************************************/
8990e307 4723/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4724
d4c3c482 4725#ifdef __Lynx__
9cffb111
OS		 4726/* LynxOS defines these in scsi.h which is included via ioctl.h */
4727#ifdef FORMAT
4728#undef FORMAT
4729#endif
4730#ifdef SPACE
4731#undef SPACE
4732#endif
d4c3c482 4733#endif
9cffb111 4734
fb73857a 4735#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4736
79072805
LW		 4737typedef enum {
4738 XOPERATOR,
4739 XTERM,
79072805 4740 XREF,
8990e307 4741 XSTATE,
a0d0e21e 4742 XBLOCK,
09bef843
SB		 4743 XATTRBLOCK,
4744 XATTRTERM,
6f33ba73 4745 XTERMBLOCK,
89f35911 4746 XPOSTDEREF,
6f33ba73 4747 XTERMORDORDOR /* evil hack */
27308ded 4748 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4749} expectation;
4750
d5ec2987
NC		 4751/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4752 special and there is no need for HINT_PRIVATE_MASK for COPs
538e84ed
KW		 4753 However, bitops store HINT_INTEGER in their op_private.
4754
4755 NOTE: The typical module using these has the bit value hard-coded, so don't
d6ded950
KW		 4756 blindly change the values of these.
4757
4758 If we run out of bits, the 2 locale ones could be combined. The PARTIAL one
4759 is for "use locale 'FOO'" which excludes some categories. It requires going
4760 to %^H to find out which are in and which are out. This could be extended
4761 for the normal case of a plain HINT_LOCALE, so that %^H would be used for
4762 any locale form. */
9cfe5470
RGS		 4763#define HINT_INTEGER 0x00000001 /* integer pragma */
4764#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4765#define HINT_LOCALE 0x00000004 /* locale pragma */
4766#define HINT_BYTES 0x00000008 /* bytes pragma */
d6ded950 4767#define HINT_LOCALE_PARTIAL 0x00000010 /* locale, but a subset of categories */
894ea76b
FC		 4768
4769#define HINT_EXPLICIT_STRICT_REFS 0x00000020 /* strict.pm */
4770#define HINT_EXPLICIT_STRICT_SUBS 0x00000040 /* strict.pm */
4771#define HINT_EXPLICIT_STRICT_VARS 0x00000080 /* strict.pm */
85e6fe83
LW		 4772
4773#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4774#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4775#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
1863b879 4776#define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */
85e6fe83 4777
9cfe5470 4778/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4779#define HINT_NEW_INTEGER 0x00001000
4780#define HINT_NEW_FLOAT 0x00002000
4781#define HINT_NEW_BINARY 0x00004000
4782#define HINT_NEW_STRING 0x00008000
4783#define HINT_NEW_RE 0x00010000
4784#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 4785#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4786#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 4787
9cfe5470
RGS		 4788#define HINT_RE_TAINT 0x00100000 /* re pragma */
4789#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4790
9cfe5470
RGS		 4791#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4792#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4793
e46c382e
YK		 4794#define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
4795
1e215989
FC		 4796#define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */
4797
a803b9b4
FC		 4798#define HINT_FEATURE_MASK 0x1c000000 /* 3 bits for feature bundles */
4799
894ea76b
FC		 4800 /* Note: Used for NATIVE_HINTS, currently
4801 defined by vms/vmsish.h:
4802 0x40000000
4803 0x80000000
4804 */
d1718a7c 4805
0239f47c 4806/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4807#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4808#define HINT_SORT_QUICKSORT 0x00000001
4809#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4810#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4811
d3b97530
DM		 4812/* flags for PL_sawampersand */
4813
4814#define SAWAMPERSAND_LEFT 1 /* saw $` */
4815#define SAWAMPERSAND_MIDDLE 2 /* saw $& */
4816#define SAWAMPERSAND_RIGHT 4 /* saw $' */
4817
1a904fc8
FC		 4818#ifndef PERL_SAWAMPERSAND
4819# define PL_sawampersand \
4820 (SAWAMPERSAND_LEFT|SAWAMPERSAND_MIDDLE|SAWAMPERSAND_RIGHT)
4821#endif
4822
8bfdd7d9 4823/* Various states of the input record separator SV (rs) */
d4cce5f1 4824#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4825#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4826#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4827#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4828
128e8167 4829/* A struct for keeping various DEBUGGING related stuff,
ce333219 4830 * neatly packed. Currently only scratch variables for
128e8167
JH		 4831 * constructing debug output are included. Needed always,
4832 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4833struct perl_debug_pad {
4834 SV pad[3];
4835};
4836
4837#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4838#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4839 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4840 PERL_DEBUG_PAD(i))
ce333219 4841
56953603 4842/* Enable variables which are pointers to functions */
16c91539
BM		 4843typedef void (*peep_t)(pTHX_ OP* o);
4844typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm);
4845typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg,
0cb96387
GS		 4846 char* strend, char* strbeg, I32 minend,
4847 SV* screamer, void* data, U32 flags);
16c91539 4848typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv,
f722798b
IZ		 4849 char *strpos, char *strend,
4850 U32 flags,
9f61653a 4851 re_scream_pos_data *d);
16c91539
BM		 4852typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog);
4853typedef void (*regfree_t) (pTHX_ struct regexp* r);
4854typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param);
a932d541 4855typedef I32 (*re_fold_t)(const char *, char const *, I32);
56953603 4856
c76ac1ee 4857typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc 4858typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
f30de749 4859typedef void (*SVFUNC_t) (pTHX_ SV* const);
31e9e0a3 4860typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
acfe0abc
GS		 4861typedef void (*XSINIT_t) (pTHX);
4862typedef void (*ATEXIT_t) (pTHX_ void*);
4863typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4864
16c91539
BM		 4865typedef OP* (*Perl_ppaddr_t)(pTHX);
4866typedef OP* (*Perl_check_t) (pTHX_ OP*);
4867typedef void(*Perl_ophook_t)(pTHX_ OP*);
4868typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**);
1830b3d9 4869typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *);
88e1f1a2 4870
d67594ff
FC		 4871typedef void(*globhook_t)(pTHX);
4872
88e1f1a2
JV		 4873#define KEYWORD_PLUGIN_DECLINE 0
4874#define KEYWORD_PLUGIN_STMT 1
4875#define KEYWORD_PLUGIN_EXPR 2
22239a37 4876
58a50f62
GS		 4877/* Interpreter exitlist entry */
4878typedef struct exitlistentry {
acfe0abc 4879 void (*fn) (pTHX_ void*);
58a50f62
GS		 4880 void *ptr;
4881} PerlExitListEntry;
4882
aadb217d
JH		 4883/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4884/* These have to be before perlvars.h */
4885#if !defined(HAS_SIGACTION) && defined(VMS)
4886# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4887#endif
4888/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4889#if defined(KILL_BY_SIGPRC)
4890# define FAKE_DEFAULT_SIGNAL_HANDLERS
4891#endif
4892
8c1cc017
NC		 4893#if !defined(MULTIPLICITY)
4894
4895struct interpreter {
4896 char broiled;
22239a37
NIS		 4897};
4898
8c1cc017 4899#else
22239a37 4900
d460ef45 4901/* If we have multiple interpreters define a struct
d4cce5f1 4902 holding variables which must be per-interpreter
d460ef45 4903 If we don't have threads anything that would have
d4cce5f1
NIS		 4904 be per-thread is per-interpreter.
4905*/
4906
8c1cc017 4907/* Set up PERLVAR macros for populating structs */
115ff745 4908# define PERLVAR(prefix,var,type) type prefix##var;
eb42f199
KW		 4909
4910/* 'var' is an array of length 'n' */
115ff745 4911# define PERLVARA(prefix,var,n,type) type prefix##var[n];
eb42f199
KW		 4912
4913/* initialize 'var' to init' */
115ff745 4914# define PERLVARI(prefix,var,type,init) type prefix##var;
eb42f199
KW		 4915
4916/* like PERLVARI, but make 'var' a const */
115ff745 4917# define PERLVARIC(prefix,var,type,init) type prefix##var;
8c1cc017 4918
79072805 4919struct interpreter {
7766f137 4920# include "intrpvar.h"
49f531da 4921};
d4cce5f1 4922
724cf8d6
NC		 4923EXTCONST U16 PL_interp_size
4924 INIT(sizeof(struct interpreter));
4925
4926# define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \
4927 STRUCT_OFFSET(struct interpreter, member) + \
4928 sizeof(((struct interpreter*)0)->member)
4929
4930/* This will be useful for subsequent releases, because this has to be the
4931 same in your libperl as in main(), else you have a mismatch and must abort.
4932*/
d399cf59
NC		 4933EXTCONST U16 PL_interp_size_5_18_0
4934 INIT(PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_18_0_INTERP_MEMBER));
724cf8d6
NC		 4935
4936
8c1cc017
NC		 4937# ifdef PERL_GLOBAL_STRUCT
4938/* MULTIPLICITY is automatically defined when PERL_GLOBAL_STRUCT is defined,
4939 hence it's safe and sane to nest this within #ifdef MULTIPLICITY */
4940
4941struct perl_vars {
4942# include "perlvars.h"
49f531da 4943};
8c1cc017 4944
724cf8d6
NC		 4945EXTCONST U16 PL_global_struct_size
4946 INIT(sizeof(struct perl_vars));
4947
8c1cc017
NC		 4948# ifdef PERL_CORE
4949# ifndef PERL_GLOBAL_STRUCT_PRIVATE
4950EXT struct perl_vars PL_Vars;
4951EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
4952# undef PERL_GET_VARS
4953# define PERL_GET_VARS() PL_VarsPtr
4954# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
4955# else /* PERL_CORE */
4956# if !defined(__GNUC__) || !defined(WIN32)
4957EXT
4958# endif /* WIN32 */
4959struct perl_vars *PL_VarsPtr;
4960# define PL_Vars (*((PL_VarsPtr) \
4961 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
4962# endif /* PERL_CORE */
4963# endif /* PERL_GLOBAL_STRUCT */
79072805 4964
22239a37 4965/* Done with PERLVAR macros for now ... */
8c1cc017
NC		 4966# undef PERLVAR
4967# undef PERLVARA
4968# undef PERLVARI
4969# undef PERLVARIC
8c1cc017
NC		 4970
4971#endif /* MULTIPLICITY */
79072805 4972
f7fe979e 4973struct tempsym; /* defined in pp_pack.c */
49704364 4974
22239a37 4975#include "thread.h"
79072805 4976#include "pp.h"
864dbfa3
GS		 4977
4978#ifndef PERL_CALLCONV
a0c21aa1
JH		 4979# ifdef __cplusplus
4980# define PERL_CALLCONV extern "C"
4981# else
4982# define PERL_CALLCONV
4983# endif
d460ef45 4984#endif
12a2785c
DD		 4985#ifndef PERL_CALLCONV_NO_RET
4986# define PERL_CALLCONV_NO_RET PERL_CALLCONV
4987#endif
4988
98c015b7
DD		 4989/* PERL_STATIC_NO_RET is supposed to be equivalent to STATIC on builds that
4990 dont have a noreturn as a declaration specifier
4991*/
4992#ifndef PERL_STATIC_NO_RET
4993# define PERL_STATIC_NO_RET STATIC
4994#endif
4995/* PERL_STATIC_NO_RET is supposed to be equivalent to PERL_STATIC_INLINE on
4996 builds that dont have a noreturn as a declaration specifier
4997*/
4998#ifndef PERL_STATIC_INLINE_NO_RET
4999# define PERL_STATIC_INLINE_NO_RET PERL_STATIC_INLINE
5000#endif
5001
5002
0cb96387
GS		 5003#undef PERL_CKDEF
5004#undef PERL_PPDEF
0159f81b
JH		 5005#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
5006#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 5007
158cfab6
JD		 5008#ifdef MYMALLOC
5009# include "malloc_ctl.h"
5010#endif
5011
7766f137 5012#include "proto.h"
864dbfa3 5013
0cb96387 5014/* this has structure inits, so it cannot be included before here */
acfe0abc 5015#include "opcode.h"
864dbfa3 5016
d4cce5f1
NIS		 5017/* The following must follow proto.h as #defines mess up syntax */
5018
22c35a8c
GS		 5019#if !defined(PERL_FOR_X2P)
5020# include "embedvar.h"
5021#endif
d4cce5f1 5022
d460ef45 5023/* Now include all the 'global' variables
d4cce5f1 5024 * If we don't have threads or multiple interpreters
d460ef45 5025 * these include variables that would have been their struct-s
d4cce5f1 5026 */
d460ef45 5027
115ff745
NC		 5028#define PERLVAR(prefix,var,type) EXT type PL_##var;
5029#define PERLVARA(prefix,var,n,type) EXT type PL_##var[n];
5030#define PERLVARI(prefix,var,type,init) EXT type PL_##var INIT(init);
5031#define PERLVARIC(prefix,var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 5032
acfe0abc 5033#if !defined(MULTIPLICITY)
7766f137 5034START_EXTERN_C
066ef5b5 5035# include "intrpvar.h"
7766f137 5036END_EXTERN_C
22239a37
NIS		 5037#endif
5038
24792b8d
NC		 5039#ifdef PERL_CORE
5040/* All core uses now exterminated. Ensure no zombies can return: */
5041# undef PL_na
5042#endif
5043
f9293c5b
NC		 5044/* Now all the config stuff is setup we can include embed.h
5045 In particular, need the relevant *ish file included already, as it may
5046 define HAVE_INTERP_INTERN */
5047#include "embed.h"
22239a37 5048
c5be433b
GS		 5049#ifndef PERL_GLOBAL_STRUCT
5050START_EXTERN_C
5051
5052# include "perlvars.h"
5053
5054END_EXTERN_C
5055#endif
5056
d4cce5f1 5057#undef PERLVAR
51371543 5058#undef PERLVARA
d4cce5f1 5059#undef PERLVARI
0f3f18a6 5060#undef PERLVARIC
79072805 5061
73c4f7a1
GS		 5062START_EXTERN_C
5063
af2f0da9
NC		 5064/* dummy variables that hold pointers to both runops functions, thus forcing
5065 * them *both* to get linked in (useful for Peek.xs, debugging etc) */
5066
5067EXTCONST runops_proc_t PL_runops_std
5068 INIT(Perl_runops_standard);
5069EXTCONST runops_proc_t PL_runops_dbg
5070 INIT(Perl_runops_debug);
5071
bc028b6b
JH		 5072/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
5073 * magic vtables const, but this is incompatible with SWIG which
5074 * does want to modify the vtables. */
5075#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5076# define EXT_MGVTBL EXTCONST MGVTBL
5077#else
5078# define EXT_MGVTBL EXT MGVTBL
5079#endif
5080
82ff486e 5081#define PERL_MAGIC_READONLY_ACCEPTABLE 0x40
e0a73de4
NC		 5082#define PERL_MAGIC_VALUE_MAGIC 0x80
5083#define PERL_MAGIC_VTABLE_MASK 0x3F
82ff486e
NC		 5084#define PERL_MAGIC_TYPE_READONLY_ACCEPTABLE(t) \
5085 (PL_magic_data[(U8)(t)] & PERL_MAGIC_READONLY_ACCEPTABLE)
e0a73de4
NC		 5086#define PERL_MAGIC_TYPE_IS_VALUE_MAGIC(t) \
5087 (PL_magic_data[(U8)(t)] & PERL_MAGIC_VALUE_MAGIC)
5088
8b09643d 5089#include "mg_vtable.h"
6f83ef0e
NC		 5090
5091#ifdef DOINIT
5092EXTCONST U8 PL_magic_data[256] =
dde5ec2c
NC		 5093# ifdef PERL_MICRO
5094# include "umg_data.h"
5095# else
5096# include "mg_data.h"
5097# endif
6f83ef0e
NC		 5098;
5099#else
5100EXTCONST U8 PL_magic_data[256];
5101#endif
5102
f1fb8741 5103#ifdef DOINIT
e94d9b54 5104 /* NL IV NV PV INV PI PN MG RX GV LV AV HV CV FM IO */
f1fb8741 5105EXTCONST bool
e94d9b54 5106PL_valid_types_IVX[] = { 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
f1fb8741 5107EXTCONST bool
e94d9b54 5108PL_valid_types_NVX[] = { 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
f1fb8741 5109EXTCONST bool
d361b004 5110PL_valid_types_PVX[] = { 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1 };
f1fb8741 5111EXTCONST bool
e94d9b54 5112PL_valid_types_RV[] = { 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1 };
f1fb8741 5113EXTCONST bool
e94d9b54 5114PL_valid_types_IV_set[] = { 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1 };
f1fb8741 5115EXTCONST bool
e94d9b54 5116PL_valid_types_NV_set[] = { 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 };
f1fb8741
DM		 5117
5118#else
5119
5120EXTCONST bool PL_valid_types_IVX[];
5121EXTCONST bool PL_valid_types_NVX[];
5122EXTCONST bool PL_valid_types_PVX[];
5123EXTCONST bool PL_valid_types_RV[];
5124EXTCONST bool PL_valid_types_IV_set[];
5125EXTCONST bool PL_valid_types_NV_set[];
5126
5127#endif
5128
cf6e31e9
DM		 5129
5130/* if these never got defined, they need defaults */
5131#ifndef PERL_SET_CONTEXT
5132# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5133#endif
5134
5135#ifndef PERL_GET_CONTEXT
5136# define PERL_GET_CONTEXT PERL_GET_INTERP
5137#endif
5138
5139#ifndef PERL_GET_THX
5140# define PERL_GET_THX ((void*)NULL)
5141#endif
5142
5143#ifndef PERL_SET_THX
5144# define PERL_SET_THX(t) NOOP
5145#endif
5146
5147
c7627e6d
NC		 5148#ifndef PERL_NO_INLINE_FUNCTIONS
5149/* Static inline funcs that depend on includes and declarations above.
5150 Some of these reference functions in the perl object files, and some
5151 compilers aren't smart enough to eliminate unused static inline
5152 functions, so including this file in source code can cause link errors
5153 even if the source code uses none of the functions. Hence including these
5154 can be be suppressed by setting PERL_NO_INLINE_FUNCTIONS. Doing this will
5155 (obviously) result in unworkable XS code, but allows simple probing code
5156 to continue to work, because it permits tests to include the perl headers
5157 for definitions without creating a link dependency on the perl library
5158 (which may not exist yet).
5159*/
5160
5161# include "inline.h"
5162#endif
f1fb8741 5163
bab3dc31 5164#include "overload.h"
a0d0e21e 5165
73c4f7a1
GS		 5166END_EXTERN_C
5167
a6006777 5168struct am_table {
8978b4ac
NC		 5169 U8 flags;
5170 U8 fallback;
5171 U16 spare;
eb160463 5172 U32 was_ok_sub;
9bd87817 5173 CV* table[NofAMmeth];
a0d0e21e 5174};
a6006777 5175struct am_table_short {
8978b4ac
NC		 5176 U8 flags;
5177 U8 fallback;
5178 U16 spare;
eb160463 5179 U32 was_ok_sub;
a6006777 5180};
a0d0e21e 5181typedef struct am_table AMT;
a6006777 5182typedef struct am_table_short AMTS;
a0d0e21e
LW		 5183
5184#define AMGfallNEVER 1
5185#define AMGfallNO 2
5186#define AMGfallYES 3
5187
a6006777 5188#define AMTf_AMAGIC 1
5189#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5190#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5191#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
5192
32251b26 5193#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5194
5195/*
5196 * some compilers like to redefine cos et alia as faster
5197 * (and less accurate?) versions called F_cos et cetera (Quidquid
5198 * latine dictum sit, altum viditur.) This trick collides with
5199 * the Perl overloading (amg). The following #defines fool both.
5200 */
5201
5202#ifdef _FASTMATH
5203# ifdef atan2
5204# define F_atan2_amg atan2_amg
5205# endif
5206# ifdef cos
5207# define F_cos_amg cos_amg
5208# endif
5209# ifdef exp
5210# define F_exp_amg exp_amg
5211# endif
5212# ifdef log
5213# define F_log_amg log_amg
5214# endif
5215# ifdef pow
5216# define F_pow_amg pow_amg
5217# endif
5218# ifdef sin
5219# define F_sin_amg sin_amg
5220# endif
5221# ifdef sqrt
5222# define F_sqrt_amg sqrt_amg
5223# endif
5224#endif /* _FASTMATH */
5225
83ee9e09
GS		 5226#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5227 PERLDBf_NOOPT | PERLDBf_INTER | \
5228 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
b8fcbefe
NC		 5229 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5230 PERLDBf_SAVESRC)
925cfbb8 5231 /* No _NONAME, _GOTO */
83ee9e09
GS		 5232#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5233#define PERLDBf_LINE 0x02 /* Keep line # */
5234#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5235#define PERLDBf_INTER 0x08 /* Preserve more data for
5236 later inspections */
5237#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5238#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5239#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5240#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5241#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5242#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
b8fcbefe 5243#define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
486ec47a 5244#define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */
c30d8139 5245#define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
84902520 5246
3280af22
NIS		 5247#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5248#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5249#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5250#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5251#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5252#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5253#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5254#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5255#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5256#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
b8fcbefe 5257#define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC))
c30d8139
NC		 5258#define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS))
5259#define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID))
bbce6d69 5260
91191cf7 5261#ifdef USE_LOCALE
d6ded950 5262/* These locale things are all subject to change */
c8bf5ca7 5263/* Returns TRUE if the plain locale pragma without a parameter is in effect
66cbab2c 5264 */
6d62ead0 5265# define IN_LOCALE_RUNTIME cBOOL(CopHINTS_get(PL_curcop) & HINT_LOCALE)
66cbab2c 5266
c8bf5ca7 5267/* Returns TRUE if either form of the locale pragma is in effect */
6d62ead0 5268# define IN_SOME_LOCALE_FORM_RUNTIME \
d6ded950 5269 cBOOL(CopHINTS_get(PL_curcop) & (HINT_LOCALE|HINT_LOCALE_PARTIAL))
66cbab2c 5270
6d62ead0
KW		 5271# define IN_LOCALE_COMPILETIME cBOOL(PL_hints & HINT_LOCALE)
5272# define IN_SOME_LOCALE_FORM_COMPILETIME \
d6ded950 5273 cBOOL(PL_hints & (HINT_LOCALE|HINT_LOCALE_PARTIAL))
2de3dbcc 5274
6d62ead0 5275# define IN_LOCALE \
923e4eb5 5276 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
6d62ead0 5277# define IN_SOME_LOCALE_FORM \
66cbab2c
KW		 5278 (IN_PERL_COMPILETIME ? IN_SOME_LOCALE_FORM_COMPILETIME \
5279 : IN_SOME_LOCALE_FORM_RUNTIME)
2de3dbcc 5280
6d62ead0
KW		 5281# define IN_LC_ALL_COMPILETIME IN_LOCALE_COMPILETIME
5282# define IN_LC_ALL_RUNTIME IN_LOCALE_RUNTIME
5283
5284# define IN_LC_PARTIAL_COMPILETIME cBOOL(PL_hints & HINT_LOCALE_PARTIAL)
5285# define IN_LC_PARTIAL_RUNTIME \
5286 cBOOL(CopHINTS_get(PL_curcop) & HINT_LOCALE_PARTIAL)
5287
5288# define IN_LC_COMPILETIME(category) \
5289 (IN_LC_ALL_COMPILETIME || (IN_LC_PARTIAL_COMPILETIME \
5290 && _is_in_locale_category(TRUE, (category))))
5291# define IN_LC_RUNTIME(category) \
5292 (IN_LC_ALL_RUNTIME || (IN_LC_PARTIAL_RUNTIME \
5293 && _is_in_locale_category(FALSE, (category))))
5294# define IN_LC(category) \
5295 (IN_LC_COMPILETIME(category) || IN_LC_RUNTIME(category))
d6ded950 5296
91191cf7
KW		 5297#else /* No locale usage */
5298# define IN_LOCALE_RUNTIME 0
5299# define IN_SOME_LOCALE_FORM_RUNTIME 0
5300# define IN_LOCALE_COMPILETIME 0
5301# define IN_SOME_LOCALE_FORM_COMPILETIME 0
5302# define IN_LOCALE 0
5303# define IN_SOME_LOCALE_FORM 0
5304# define IN_LC_ALL_COMPILETIME 0
5305# define IN_LC_ALL_RUNTIME 0
5306# define IN_LC_PARTIAL_COMPILETIME 0
5307# define IN_LC_PARTIAL_RUNTIME 0
5308# define IN_LC_COMPILETIME(category) 0
5309# define IN_LC_RUNTIME(category) 0
5310# define IN_LC(category) 0
5311#endif
5312
6bf09f55
KW		 5313#ifdef USE_LOCALE_NUMERIC
5314
8a11fac9
KW		 5315/* These macros are for toggling between the underlying locale (LOCAL) and the
5316 * C locale. */
5317
5318/* The first set makes sure that the locale is set to C unless within a 'use
5319 * locale's scope; otherwise to the default locale. A function pointer is
5320 * used, which can be declared separately by
5321 * DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED, followed by the actual
5322 * setting (using STORE_LC_NUMERIC_SET_TO_NEEDED()), or the two can be combined
5323 * into one call DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED().
5324 * RESTORE_LC_NUMERIC() in all cases restores the locale to what it was before
5325 * these were called */
5326
aaaeb297 5327#define _NOT_IN_NUMERIC_STANDARD (! PL_numeric_standard)
7738054c
KW		 5328
5329/* We can lock the category to stay in the C locale, making requests to the
5330 * contrary noops, in the dynamic scope by setting PL_numeric_standard to 2 */
5331#define _NOT_IN_NUMERIC_LOCAL (! PL_numeric_local && PL_numeric_standard < 2)
aaaeb297 5332
8a11fac9
KW		 5333#define DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED \
5334 void (*_restore_LC_NUMERIC_function)(pTHX) = NULL;
5335
5336#define STORE_LC_NUMERIC_SET_TO_NEEDED() \
d6ded950 5337 if (IN_LC(LC_NUMERIC)) { \
aaaeb297
KW		 5338 if (_NOT_IN_NUMERIC_LOCAL) { \
5339 set_numeric_local(); \
8a11fac9
KW		 5340 _restore_LC_NUMERIC_function = &Perl_set_numeric_standard; \
5341 } \
5342 } \
5343 else { \
aaaeb297 5344 if (_NOT_IN_NUMERIC_STANDARD) { \
8a11fac9
KW		 5345 SET_NUMERIC_STANDARD(); \
5346 _restore_LC_NUMERIC_function = &Perl_set_numeric_local; \
5347 } \
5348 }
5349
5350#define DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED() \
5351 DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED; \
5352 STORE_LC_NUMERIC_SET_TO_NEEDED();
5353
5354#define RESTORE_LC_NUMERIC() \
5355 if (_restore_LC_NUMERIC_function) { \
5356 _restore_LC_NUMERIC_function(aTHX); \
5357 }
5358
5359/* The next two macros set unconditionally. These should be rarely used, and
5360 * only after being sure that this is what is needed */
8d98ede7 5361#define SET_NUMERIC_STANDARD() \
aaaeb297 5362 STMT_START { if (_NOT_IN_NUMERIC_STANDARD) set_numeric_standard(); \
8d98ede7 5363 } STMT_END
87755cd9 5364
8d98ede7 5365#define SET_NUMERIC_LOCAL() \
aaaeb297
KW		 5366 STMT_START { if (_NOT_IN_NUMERIC_LOCAL) \
5367 set_numeric_local(); } STMT_END
87755cd9 5368
8a11fac9
KW		 5369/* The rest of these LC_NUMERIC macros toggle to one or the other state, with
5370 * the RESTORE_foo ones called to switch back, but only if need be */
aaaeb297
KW		 5371#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
5372 bool _was_local = _NOT_IN_NUMERIC_STANDARD; \
5373 if (_was_local) set_numeric_standard();
f93f4e46 5374
b34856cb
KW		 5375/* Doesn't change to underlying locale unless within the scope of some form of
5376 * 'use locale'. This is the usual desired behavior. */
aaaeb297
KW		 5377#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
5378 bool _was_standard = _NOT_IN_NUMERIC_LOCAL \
5379 && IN_LC(LC_NUMERIC); \
5380 if (_was_standard) set_numeric_local();
f93f4e46 5381
371d5d44
KW		 5382/* Rarely, we want to change to the underlying locale even outside of 'use
5383 * locale'. This is principally in the POSIX:: functions */
aaaeb297
KW		 5384#define STORE_NUMERIC_STANDARD_FORCE_LOCAL() \
5385 bool _was_standard = _NOT_IN_NUMERIC_LOCAL; \
5386 if (_was_standard) set_numeric_local();
371d5d44 5387
7738054c
KW		 5388/* Lock to the C locale until unlock is called */
5389#define LOCK_NUMERIC_STANDARD() \
5390 (__ASSERT_(PL_numeric_standard) \
5391 PL_numeric_standard = 2)
5392
5393#define UNLOCK_NUMERIC_STANDARD() \
5394 (__ASSERT_(PL_numeric_standard == 2) \
5395 PL_numeric_standard = 1)
5396
f93f4e46 5397#define RESTORE_NUMERIC_LOCAL() \
aaaeb297 5398 if (_was_local) set_numeric_local();
f93f4e46
CK		 5399
5400#define RESTORE_NUMERIC_STANDARD() \
aaaeb297 5401 if (_was_standard) SET_NUMERIC_STANDARD();
f93f4e46 5402
5b877257 5403#define Atof my_atof
097ee67d 5404
36477c24 5405#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5406
097ee67d
JH		 5407#define SET_NUMERIC_STANDARD() /**/
5408#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5409#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5410#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5411#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
8a11fac9 5412#define STORE_NUMERIC_STANDARD_FORCE_LOCAL()
097ee67d
JH		 5413#define RESTORE_NUMERIC_LOCAL() /**/
5414#define RESTORE_NUMERIC_STANDARD() /**/
8a11fac9
KW		 5415#define DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED
5416#define STORE_LC_NUMERIC_SET_TO_NEEDED()
5417#define DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED()
5418#define RESTORE_LC_NUMERIC()
130c5df3
KW		 5419#define LOCK_NUMERIC_STANDARD()
5420#define UNLOCK_NUMERIC_STANDARD()
8a11fac9 5421
2cdc7fd1 5422#define Atof my_atof
bbce6d69 5423
36477c24 5424#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5425
85b76970
SH		 5426#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && \
5427 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
ec7b9793
JH		 5428# ifdef __hpux
5429# define strtoll __strtoll /* secret handshake */
5430# endif
c623ac67
GS		 5431# ifdef WIN64
5432# define strtoll _strtoi64 /* secret handshake */
5433# endif
079290de
GS		 5434# if !defined(Strtol) && defined(HAS_STRTOLL)
5435# define Strtol strtoll
ad551343 5436# endif
28e5dec8
JH		 5437# if !defined(Strtol) && defined(HAS_STRTOQ)
5438# define Strtol strtoq
5439# endif
ff935051 5440/* is there atoq() anywhere? */
15b99d39 5441#endif
079290de
GS		 5442#if !defined(Strtol) && defined(HAS_STRTOL)
5443# define Strtol strtol
5444#endif
5445#ifndef Atol
5446/* It would be more fashionable to use Strtol() to define atol()
5447 * (as is done for Atoul(), see below) but for backward compatibility
5448 * we just assume atol(). */
85b76970
SH		 5449# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && defined(HAS_ATOLL) && \
5450 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
c623ac67
GS		 5451# ifdef WIN64
5452# define atoll _atoi64 /* secret handshake */
5453# endif
76b882ba
JH		 5454# define Atol atoll
5455# else
5456# define Atol atol
5457# endif
cf2093f6
JH		 5458#endif
5459
85b76970
SH		 5460#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && \
5461 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
ec7b9793
JH		 5462# ifdef __hpux
5463# define strtoull __strtoull /* secret handshake */
5464# endif
c623ac67
GS		 5465# ifdef WIN64
5466# define strtoull _strtoui64 /* secret handshake */
5467# endif
ad551343 5468# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5469# define Strtoul strtoull
15b99d39 5470# endif
079290de
GS		 5471# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5472# define Strtoul strtouq
5473# endif
76d49b1c 5474/* is there atouq() anywhere? */
ad551343 5475#endif
079290de
GS		 5476#if !defined(Strtoul) && defined(HAS_STRTOUL)
5477# define Strtoul strtoul
cf2093f6 5478#endif
a5523c5b
JH		 5479#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5480# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5481#endif
079290de 5482#ifndef Atoul
d4c19fe8 5483# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5484#endif
cf2093f6 5485
a868473f
NIS		 5486#ifndef PERL_SCRIPT_MODE
5487#define PERL_SCRIPT_MODE "r"
5488#endif
5489
fba3b22e 5490/*
da927450
JH		 5491 * Some operating systems are stingy with stack allocation,
5492 * so perl may have to guard against stack overflow.
5493 */
5494#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5495#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5496#endif
5497
5498/*
5499 * Some nonpreemptive operating systems find it convenient to
5500 * check for asynchronous conditions after each op execution.
5501 * Keep this check simple, or it may slow down execution
5502 * massively.
5503 */
ce08f86c 5504
1d615522 5505#ifndef PERL_MICRO
4ffa73a3 5506# ifndef PERL_ASYNC_CHECK
5d9574c1 5507# define PERL_ASYNC_CHECK() if (UNLIKELY(PL_sig_pending)) PL_signalhook(aTHX)
4ffa73a3 5508# endif
ce08f86c
NIS		 5509#endif
5510
da927450 5511#ifndef PERL_ASYNC_CHECK
1d615522 5512# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5513#endif
5514
5515/*
5516 * On some operating systems, a memory allocation may succeed,
5517 * but put the process too close to the system's comfort limit.
5518 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5519 * it to NULL.
5520 */
5521#ifndef PERL_ALLOC_CHECK
c2af87cb 5522#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5523#endif
5524
bd89102f
AD		 5525#ifdef HAS_SEM
5526# include <sys/ipc.h>
5527# include <sys/sem.h>
5528# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5529 union semun {
dbba660d
TC		 5530 int val;
5531 struct semid_ds *buf;
5532 unsigned short *array;
bd89102f
AD		 5533 };
5534# endif
5535# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5536# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5537 union gccbug_semun {
5538 int val;
5539 struct semid_ds *buf;
5540 unsigned short *array;
5541 char __dummy[5];
5542 };
5543# define semun gccbug_semun
5544# endif
bd89102f
AD		 5545# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5546# else
5547# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5548# ifdef EXTRA_F_IN_SEMUN_BUF
5549# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5550# else
5551# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5552# endif
bd89102f
AD		 5553# endif
5554# endif
bd89102f 5555#endif
49f531da 5556
89ca4ac7
JH		 5557/*
5558 * Boilerplate macros for initializing and accessing interpreter-local
5559 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 5560 * this, if you want to make the extension thread-safe. See
5561 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5562 * and perlxs.pod for more.
89ca4ac7
JH		 5563 *
5564 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5565 * 1. #define MY_CXT_KEY to a unique string, e.g.
5566 * "DynaLoader::_guts" XS_VERSION
f16dd614 5567 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5568 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5569 * all the data that needs to be interpreter-local.
5570 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5571 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5572 * (typically put in the BOOT: section).
5573 * 5. Use the members of the my_cxt_t structure everywhere as
5574 * MY_CXT.member.
5575 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5576 * access MY_CXT.
5577 */
5578
fc958cd2 5579#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 5580
4eddb856 5581/* START_MY_CXT must appear in all extensions that define a my_cxt_t structure,
53d44271
JH		 5582 * right after the definition (i.e. at file scope). The non-threads
5583 * case below uses it to declare the data as static. */
00ab59c9
DM		 5584# ifdef PERL_GLOBAL_STRUCT_PRIVATE
5585# define START_MY_CXT
5586# define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5587# define MY_CXT_INIT_ARG MY_CXT_KEY
5588# else
5589# define START_MY_CXT static int my_cxt_index = -1;
5590# define MY_CXT_INDEX my_cxt_index
5591# define MY_CXT_INIT_ARG &my_cxt_index
5592# endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
53d44271
JH		 5593
5594/* Creates and zeroes the per-interpreter data.
5595 * (We allocate my_cxtp in a Perl SV so that it will be released when
5596 * the interpreter goes away.) */
00ab59c9 5597# define MY_CXT_INIT \
53d44271 5598 my_cxt_t *my_cxtp = \
9f6df31a
Z		 5599 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
5600 PERL_UNUSED_VAR(my_cxtp)
00ab59c9 5601# define MY_CXT_INIT_INTERP(my_perl) \
53d44271 5602 my_cxt_t *my_cxtp = \
9f6df31a
Z		 5603 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
5604 PERL_UNUSED_VAR(my_cxtp)
53d44271
JH		 5605
5606/* This declaration should be used within all functions that use the
5607 * interpreter-local data. */
00ab59c9 5608# define dMY_CXT \
53d44271 5609 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
00ab59c9 5610# define dMY_CXT_INTERP(my_perl) \
53d44271
JH		 5611 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5612
5613/* Clones the per-interpreter data. */
00ab59c9 5614# define MY_CXT_CLONE \
53d44271
JH		 5615 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5616 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5617 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5618
53d44271 5619
89ca4ac7 5620/* This macro must be used to access members of the my_cxt_t structure.
870598ae 5621 * e.g. MY_CXT.some_data */
00ab59c9 5622# define MY_CXT (*my_cxtp)
89ca4ac7
JH		 5623
5624/* Judicious use of these macros can reduce the number of times dMY_CXT
5625 * is used. Use is similar to pTHX, aTHX etc. */
00ab59c9
DM		 5626# define pMY_CXT my_cxt_t *my_cxtp
5627# define pMY_CXT_ pMY_CXT,
5628# define _pMY_CXT ,pMY_CXT
5629# define aMY_CXT my_cxtp
5630# define aMY_CXT_ aMY_CXT,
5631# define _aMY_CXT ,aMY_CXT
89ca4ac7 5632
f16dd614 5633#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7 5634
00ab59c9
DM		 5635# define START_MY_CXT static my_cxt_t my_cxt;
5636# define dMY_CXT_SV dNOOP
5637# define dMY_CXT dNOOP
5638# define dMY_CXT_INTERP(my_perl) dNOOP
5639# define MY_CXT_INIT NOOP
5640# define MY_CXT_CLONE NOOP
5641# define MY_CXT my_cxt
5642
5643# define pMY_CXT void
5644# define pMY_CXT_
5645# define _pMY_CXT
5646# define aMY_CXT
5647# define aMY_CXT_
5648# define _aMY_CXT
89ca4ac7 5649
f16dd614 5650#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5651
9a34ef1d
GS		 5652#ifdef I_FCNTL
5653# include <fcntl.h>
9a34ef1d
GS		 5654#endif
5655
9cffb111
OS		 5656#ifdef __Lynx__
5657# include <fcntl.h>
5658#endif
5659
9a34ef1d
GS		 5660#ifdef I_SYS_FILE
5661# include <sys/file.h>
5662#endif
5663
fa0a29af 5664#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5665int flock(int fd, int op);
5666#endif
5667
fe52b3b7
GS		 5668#ifndef O_RDONLY
5669/* Assume UNIX defaults */
5670# define O_RDONLY 0000
5671# define O_WRONLY 0001
5672# define O_RDWR 0002
5673# define O_CREAT 0100
5674#endif
9a34ef1d 5675
16fe6d59
GS		 5676#ifndef O_BINARY
5677# define O_BINARY 0
5678#endif
5679
5680#ifndef O_TEXT
5681# define O_TEXT 0
5682#endif
5683
6ce75a77 5684#if O_TEXT != O_BINARY
38d96942 5685 /* If you have different O_TEXT and O_BINARY and you are a CRLF shop,
6ce75a77 5686 * that is, you are somehow DOSish. */
b6c36746
NC		 5687# if defined(__HAIKU__) || defined(__VOS__) || defined(__CYGWIN__)
5688 /* Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5689 * Haiku is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5690 /* VOS has O_TEXT != O_BINARY, and they have effect,
5691 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5692 /* If you have O_TEXT different from your O_BINARY but you still are
5693 * not a CRLF shop. */
35990314 5694# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5695# else
5696 /* If you really are DOSish. */
5697# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5698# endif
5699#endif
5700
4bc88a62
PS		 5701#ifdef I_LIBUTIL
5702# include <libutil.h> /* setproctitle() in some FreeBSDs */
5703#endif
5704
b4748376 5705#ifndef EXEC_ARGV_CAST
360ea906 5706#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 5707#endif
5708
dd5dc04f
JH		 5709#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5710 int). value returned in pointed-
5711 to UV */
5712#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5713#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5714#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5715#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5716#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5717
5718#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5719
53305cf1
NC		 5720/* Input flags: */
5721#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5722#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5723#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
02470786
KW		 5724#define PERL_SCAN_SILENT_NON_PORTABLE 0x08 /* grok_??? not warn about very large
5725 numbers which are <= UV_MAX */
53305cf1
NC		 5726/* Output flags: */
5727#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5728
2c4f7f0e
DM		 5729/* to let user control profiling */
5730#ifdef PERL_GPROF_CONTROL
5731extern void moncontrol(int);
5732#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5733#else
5734#define PERL_GPROF_MONCONTROL(x)
5735#endif
5736
ae0e3d3b
JH		 5737#ifdef UNDER_CE
5738#include "wince.h"
5739#endif
5740
5741/* ISO 6429 NEL - C1 control NExt Line */
5742/* See http://www.unicode.org/unicode/reports/tr13/ */
ec34087a 5743#define NEXT_LINE_CHAR NEXT_LINE_NATIVE
ae0e3d3b
JH		 5744
5745/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5746#define UNICODE_LINE_SEPA_0 0xE2
5747#define UNICODE_LINE_SEPA_1 0x80
5748#define UNICODE_LINE_SEPA_2 0xA8
5749#define UNICODE_PARA_SEPA_0 0xE2
5750#define UNICODE_PARA_SEPA_1 0x80
5751#define UNICODE_PARA_SEPA_2 0xA9
5752
479b2847
GS		 5753#ifndef PIPESOCK_MODE
5754# define PIPESOCK_MODE
5755#endif
5756
460c8493
IZ		 5757#ifndef SOCKET_OPEN_MODE
5758# define SOCKET_OPEN_MODE PIPESOCK_MODE
5759#endif
5760
5761#ifndef PIPE_OPEN_MODE
5762# define PIPE_OPEN_MODE PIPESOCK_MODE
5763#endif
5764
7e8c5dac
HS		 5765#define PERL_MAGIC_UTF8_CACHESIZE 2
5766
a05d7ebb
JH		 5767#define PERL_UNICODE_STDIN_FLAG 0x0001
5768#define PERL_UNICODE_STDOUT_FLAG 0x0002
5769#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5770#define PERL_UNICODE_IN_FLAG 0x0008
5771#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5772#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5773#define PERL_UNICODE_LOCALE_FLAG 0x0040
5774#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 5775#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 5776
06e66572
JH		 5777#define PERL_UNICODE_STD_FLAG \
5778 (PERL_UNICODE_STDIN_FLAG | \
5779 PERL_UNICODE_STDOUT_FLAG | \
5780 PERL_UNICODE_STDERR_FLAG)
5781
5782#define PERL_UNICODE_INOUT_FLAG \
5783 (PERL_UNICODE_IN_FLAG | \
5784 PERL_UNICODE_OUT_FLAG)
5785
5786#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5787 (PERL_UNICODE_STD_FLAG | \
5788 PERL_UNICODE_INOUT_FLAG | \
5789 PERL_UNICODE_LOCALE_FLAG)
5790
5a22a2bb 5791#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 5792
5793#define PERL_UNICODE_STDIN 'I'
5794#define PERL_UNICODE_STDOUT 'O'
5795#define PERL_UNICODE_STDERR 'E'
5796#define PERL_UNICODE_STD 'S'
5797#define PERL_UNICODE_IN 'i'
5798#define PERL_UNICODE_OUT 'o'
5799#define PERL_UNICODE_INOUT 'D'
5800#define PERL_UNICODE_ARGV 'A'
5801#define PERL_UNICODE_LOCALE 'L'
5802#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 5803#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 5804
4ffa73a3
JH		 5805#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5806
32fdb065 5807/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5808 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5809#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5810
3c0f78ca
JH		 5811#if defined(__DECC) && defined(__osf__)
5812#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 5813#endif
5814
e4dba786
NC		 5815#define do_open(g, n, l, a, rm, rp, sf) \
5816 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 5817#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 5818# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 5819#endif
15871fce
NC		 5820#ifdef OS2
5821# define do_aexec Perl_do_aexec
5822#else
5823# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 5824#endif
e4dba786 5825
c8028aa6
TC		 5826/* check embedded \0 characters in pathnames passed to syscalls,
5827 but allow one ending \0 */
41188aa0 5828#define IS_SAFE_SYSCALL(p, len, what, op_name) (S_is_safe_syscall(aTHX_ (p), (len), (what), (op_name)))
c8028aa6 5829
41188aa0 5830#define IS_SAFE_PATHNAME(p, len, op_name) IS_SAFE_SYSCALL((p), (len), "pathname", (op_name))
c8028aa6 5831
2f3efc97
JH		 5832#if defined(OEMVS)
5833#define NO_ENV_ARRAY_IN_MAIN
5834#endif
5835
00f254e2
KW		 5836/* These are used by Perl_pv_escape() and Perl_pv_pretty()
5837 * are here so that they are available throughout the core
10edeb5d
JH		 5838 * NOTE that even though some are for _escape and some for _pretty
5839 * there must not be any clashes as the flags from _pretty are
5840 * passed straight through to _escape.
5841 */
5842
5843#define PERL_PV_ESCAPE_QUOTE 0x0001
5844#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
5845
95b611b0 5846#define PERL_PV_PRETTY_ELLIPSES 0x0002
10edeb5d
JH		 5847#define PERL_PV_PRETTY_LTGT 0x0004
5848
5849#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
5850
00f254e2 5851#define PERL_PV_ESCAPE_UNI 0x0100
10edeb5d 5852#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
681f01c2 5853#define PERL_PV_ESCAPE_NONASCII 0x0400
10edeb5d
JH		 5854
5855#define PERL_PV_ESCAPE_ALL 0x1000
5856#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
5857#define PERL_PV_ESCAPE_NOCLEAR 0x4000
44a2ac75 5858#define PERL_PV_ESCAPE_RE 0x8000
10edeb5d 5859
0eb335df
BF		 5860#define PERL_PV_ESCAPE_DWIM 0x10000
5861
881a015e
NC		 5862#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
5863
10edeb5d 5864/* used by pv_display in dump.c*/
95b611b0 5865#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
c89df6cf 5866#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII
10edeb5d
JH		 5867
5868/*
5869
5870 (KEEP THIS LAST IN perl.h!)
5871
5872 Mention
d460ef45 5873
43999f95 5874 NV_PRESERVES_UV
fe749a9f 5875
fe749a9f
JH		 5876 HAS_MKSTEMP
5877 HAS_MKSTEMPS
5878 HAS_MKDTEMP
5879
49dabb45
JH		 5880 HAS_GETCWD
5881
d59b5429 5882 HAS_MMAP
fe749a9f
JH		 5883 HAS_MPROTECT
5884 HAS_MSYNC
1e8c3fde 5885 HAS_MADVISE
fe749a9f
JH		 5886 HAS_MUNMAP
5887 I_SYSMMAN
5888 Mmap_t
5889
6b4667fc
A		 5890 NVef
5891 NVff
5892 NVgf
5893
4e0554ec 5894 HAS_UALARM
2d736872 5895 HAS_USLEEP
4e0554ec
JH		 5896
5897 HAS_SETITIMER
5898 HAS_GETITIMER
5899
5900 HAS_SENDMSG
5901 HAS_RECVMSG
5902 HAS_READV
5903 HAS_WRITEV
5904 I_SYSUIO
5905 HAS_STRUCT_MSGHDR
5906 HAS_STRUCT_CMSGHDR
5907
2765b840 5908 HAS_NL_LANGINFO
0a7020c9 5909
ae0e3d3b 5910 HAS_DIRFD
2765b840 5911
10edeb5d 5912 so that Configure picks them up.
ab3bbdeb 5913
10edeb5d 5914 (KEEP THIS LAST IN perl.h!)
3df15adc 5915
10edeb5d 5916*/
3df15adc 5917
85e6fe83 5918#endif /* Include guard */
e9a8c099
MHM		 5919
5920/*
5921 * Local variables:
5922 * c-indentation-style: bsd
5923 * c-basic-offset: 4
14d04a33 5924 * indent-tabs-mode: nil
e9a8c099
MHM		 5925 * End:
5926 *
14d04a33 5927 * ex: set ts=8 sts=4 sw=4 et:
e9a8c099 5928 */
Unnamed repository; edit this file 'description' to name the repository.