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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
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
00f254e2 31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
b0f06652
VK		 37# ifndef USE_CROSS_COMPILE
38# include "config.h"
39# else
40# include "xconfig.h"
41# endif
12ae5dfc 42#endif
0cb96387 43
2c2d71f5
JH		 44/* See L<perlguts/"The Perl API"> for detailed notes on
45 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
46
ac6bedea
JH		 47/* Note that from here --> to <-- the same logic is
48 * repeated in makedef.pl, so be certain to update
49 * both places when editing. */
50
894ccb8c
JH		 51#ifdef PERL_IMPLICIT_SYS
52/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
53 so use slab allocator to avoid lots of MUTEX overhead
54 */
55# ifndef PL_OP_SLAB_ALLOC
56# define PL_OP_SLAB_ALLOC
57# endif
ba979b31
NIS		 58#endif
59
6f4183fe 60#ifdef USE_ITHREADS
acfe0abc 61# if !defined(MULTIPLICITY)
6f4183fe
GS		 62# define MULTIPLICITY
63# endif
64#endif
65
27da23d5
JH		 66#ifdef PERL_GLOBAL_STRUCT_PRIVATE
67# ifndef PERL_GLOBAL_STRUCT
68# define PERL_GLOBAL_STRUCT
69# endif
70#endif
97aff369 71
27da23d5
JH		 72#ifdef PERL_GLOBAL_STRUCT
73# ifndef MULTIPLICITY
74# define MULTIPLICITY
75# endif
76#endif
77
97aff369
JH		 78#ifdef MULTIPLICITY
79# ifndef PERL_IMPLICIT_CONTEXT
80# define PERL_IMPLICIT_CONTEXT
81# endif
82#endif
83
026fd48b
GH		 84/* undef WIN32 when building on Cygwin (for libwin32) - gph */
85#ifdef __CYGWIN__
86# undef WIN32
87# undef _WIN32
88#endif
89
27da23d5
JH		 90#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
91# ifndef SYMBIAN
92# define SYMBIAN
93# endif
94#endif
95
a0fd4948 96#ifdef __SYMBIAN32__
27da23d5
JH		 97# include "symbian/symbian_proto.h"
98#endif
99
100/* Any stack-challenged places. The limit varies (and often
101 * is configurable), but using more than a kilobyte of stack
102 * is usually dubious in these systems. */
a0fd4948 103#if defined(EPOC) || defined(__SYMBIAN32__)
27da23d5
JH		 104/* EPOC/Symbian: need to work around the SDK features. *
105 * On WINS: MS VC5 generates calls to _chkstk, *
106 * if a "large" stack frame is allocated. *
107 * gcc on MARM does not generate calls like these. */
108# define USE_HEAP_INSTEAD_OF_STACK
109#endif
110
111#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 112/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 113#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 114# define USE_REENTRANT_API
115#endif
116
ac6bedea
JH		 117/* <--- here ends the logic shared by perl.h and makedef.pl */
118
af28e889 119/*
6239f2da
JH		 120 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
121 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 122 * __bsdi__ for BSD/OS
123 */
6239f2da 124#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 125# ifndef BSDish
126# define BSDish
127# endif
128#endif
129
cf5a8da6
MHM		 130#undef START_EXTERN_C
131#undef END_EXTERN_C
132#undef EXTERN_C
133#ifdef __cplusplus
134# define START_EXTERN_C extern "C" {
135# define END_EXTERN_C }
136# define EXTERN_C extern "C"
137#else
138# define START_EXTERN_C
139# define END_EXTERN_C
140# define EXTERN_C extern
141#endif
142
17a6c8e3
AD		 143/* Fallback definitions in case we don't have definitions from config.h.
144 This should only matter for systems that don't use Configure and
145 haven't been modified to define PERL_STATIC_INLINE yet.
146*/
147#if !defined(PERL_STATIC_INLINE)
148# ifdef HAS_STATIC_INLINE
149# define PERL_STATIC_INLINE static inline
150# else
151# define PERL_STATIC_INLINE static
152# endif
153#endif
154
27da23d5
JH		 155#ifdef PERL_GLOBAL_STRUCT
156# ifndef PERL_GET_VARS
157# ifdef PERL_GLOBAL_STRUCT_PRIVATE
cf5a8da6 158 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
27da23d5
JH		 159# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
160# ifndef PERLIO_FUNCS_CONST
161# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
162# endif
163# else
164# define PERL_GET_VARS() PL_VarsPtr
165# endif
166# endif
167#endif
168
7a89be66 169#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH		 170
171#ifdef PERL_GLOBAL_STRUCT
172# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
173#else
174# define dVAR dNOOP
175#endif
176
c5be433b 177#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 178# ifndef MULTIPLICITY
179# define MULTIPLICITY
c5be433b 180# endif
e8dda941 181# define tTHX PerlInterpreter*
5ba4cab2 182# define pTHX register tTHX my_perl PERL_UNUSED_DECL
3db8f154 183# define aTHX my_perl
27da23d5 184# ifdef PERL_GLOBAL_STRUCT
e8dda941 185# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 186# else
e8dda941 187# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH		 188# endif
189# ifdef PERL_GLOBAL_STRUCT
190# define dTHX dVAR; pTHX = PERL_GET_THX
191# else
192# define dTHX pTHX = PERL_GET_THX
193# endif
c5be433b 194# define pTHX_ pTHX,
c5be433b 195# define aTHX_ aTHX,
4373e329 196# define pTHX_1 2
894356b3
GS		 197# define pTHX_2 3
198# define pTHX_3 4
199# define pTHX_4 5
4373e329
AL		 200# define pTHX_5 6
201# define pTHX_6 7
a3b680e6
AL		 202# define pTHX_7 8
203# define pTHX_8 9
204# define pTHX_9 10
e8dda941
JD		 205# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
206# define PERL_TRACK_MEMPOOL
207# endif
208#else
209# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 210#endif
211
76e3520e 212#define STATIC static
16c91539
BM		 213
214#ifndef PERL_CORE
215/* Do not use these macros. They were part of PERL_OBJECT, which was an
216 * implementation of multiplicity using C++ objects. They have been left
217 * here solely for the sake of XS code which has incorrectly
218 * cargo-culted them.
219 */
76e3520e 220#define CPERLscope(x) x
565764a8 221#define CPERLarg void
76e3520e 222#define CPERLarg_
e3b8966e 223#define _CPERLarg
1d583055
GS		 224#define PERL_OBJECT_THIS
225#define _PERL_OBJECT_THIS
226#define PERL_OBJECT_THIS_
312caa8e 227#define CALL_FPTR(fptr) (*fptr)
ef69c8fc 228#define MEMBER_TO_FPTR(name) name
16c91539 229#endif /* !PERL_CORE */
76e3520e 230
16c91539 231#define CALLRUNOPS PL_runops
f9f4320a 232
3ab4a224 233#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 234
16c91539 235#define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
f9f4320a 236#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
16c91539 237 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
f9f4320a
YO		 238 (strbeg),(minend),(screamer),(data),(flags))
239#define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \
16c91539 240 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strpos), \
f9f4320a
YO		 241 (strend),(flags),(data))
242#define CALLREG_INTUIT_STRING(prog) \
16c91539 243 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
f8149455 244
f8149455
YO		 245#define CALLREGFREE(prog) \
246 Perl_pregfree(aTHX_ (prog))
247
248#define CALLREGFREE_PVT(prog) \
16c91539 249 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
f8149455 250
2fdbfb4d 251#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
16c91539 252 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
93b32b6d 253
2fdbfb4d 254#define CALLREG_NUMBUF_STORE(rx,paren,value) \
16c91539 255 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
2fdbfb4d
AB		 256
257#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
16c91539 258 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
2fdbfb4d 259
192b9cd1 260#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
16c91539 261 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
192b9cd1
AB		 262
263#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
16c91539 264 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
192b9cd1
AB		 265
266#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
16c91539 267 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB		 268
269#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
16c91539 270 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB		 271
272#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
16c91539 273 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB		 274
275#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
16c91539 276 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB		 277
278#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
16c91539 279 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB		 280
281#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
16c91539 282 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
AB		 283
284#define CALLREG_NAMED_BUFF_COUNT(rx) \
16c91539 285 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
192b9cd1
AB		 286
287#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
16c91539 288 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 289
49d7dfbc 290#define CALLREG_PACKAGE(rx) \
16c91539 291 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
93b32b6d 292
00f254e2 293#if defined(USE_ITHREADS)
f9f4320a 294#define CALLREGDUPE(prog,param) \
f8149455
YO		 295 Perl_re_dup(aTHX_ (prog),(param))
296
297#define CALLREGDUPE_PVT(prog,param) \
16c91539 298 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
00f254e2 299 : (REGEXP *)NULL)
f9f4320a 300#endif
14dd3ad8 301
a20207d7 302
bcdf7404 303
a20207d7
YO		 304
305
5ba4cab2
SH		 306/*
307 * Because of backward compatibility reasons the PERL_UNUSED_DECL
308 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
309 *
310 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 311 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 312 * marking unused variables (they need e.g. a #pragma) and therefore
313 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
314 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
315 *
316 */
1266ad8c 317
9969cdde 318#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 319# ifdef __cplusplus
5ba4cab2 320# define PERL_UNUSED_DECL
5b2bd0a5 321# else
5ba4cab2 322# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 323# endif
324#endif
44dbb695 325
5b2bd0a5 326#ifndef PERL_UNUSED_DECL
34659ad4 327# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 328# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 329# else
5ba4cab2 330# define PERL_UNUSED_DECL
b79c357a 331# endif
5b2bd0a5 332#endif
00f254e2 333
349b520e
DM		 334/* gcc -Wall:
335 * for silencing unused variables that are actually used most of the time,
a0288114 336 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 337 */
53c1dcc0 338#ifndef PERL_UNUSED_ARG
c99ffe5e 339# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 340# include <note.h>
53c1dcc0 341# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 342# else
53c1dcc0 343# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 344# endif
345#endif
53c1dcc0
AL		 346#ifndef PERL_UNUSED_VAR
347# define PERL_UNUSED_VAR(x) ((void)x)
348#endif
ad73156c 349
96a5add6
AL		 350#ifdef USE_ITHREADS
351# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
352#else
353# define PERL_UNUSED_CONTEXT
354#endif
355
6f207bd3 356#define NOOP /*EMPTY*/(void)0
bafdc25d
NC		 357/* cea2e8a9dd23747f accidentally lost the comment originally from the first
358 check in of thread.h, explaining why we need dNOOP at all: */
359/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
360/* Declaring a *function*, instead of a variable, ensures that we don't rely
361 on being able to suppress "unused" warnings. */
64a8239e 362#define dNOOP extern int Perl___notused(void)
71be2cbc 363
0cb96387 364#ifndef pTHX
e8dda941
JD		 365/* Don't bother defining tTHX and sTHX; using them outside
366 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
367 */
0cb96387
GS		 368# define pTHX void
369# define pTHX_
0cb96387
GS		 370# define aTHX
371# define aTHX_
0cb96387
GS		 372# define dTHXa(a) dNOOP
373# define dTHX dNOOP
894356b3
GS		 374# define pTHX_1 1
375# define pTHX_2 2
376# define pTHX_3 3
377# define pTHX_4 4
3d42dc86
RGS		 378# define pTHX_5 5
379# define pTHX_6 6
a3b680e6
AL		 380# define pTHX_7 7
381# define pTHX_8 8
382# define pTHX_9 9
0cb96387
GS		 383#endif
384
27da23d5
JH		 385#ifndef dVAR
386# define dVAR dNOOP
387#endif
388
b4f7f263
GS		 389/* these are only defined for compatibility; should not be used internally */
390#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 391# define pTHXo pTHX
392# define pTHXo_ pTHX_
0cb96387
GS		 393# define aTHXo aTHX
394# define aTHXo_ aTHX_
c5be433b 395# define dTHXo dTHX
71d280e3 396# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 397#endif
398
399#ifndef pTHXx
400# define pTHXx register PerlInterpreter *my_perl
401# define pTHXx_ pTHXx,
0cb96387
GS		 402# define aTHXx my_perl
403# define aTHXx_ aTHXx,
c5be433b 404# define dTHXx dTHX
22c35a8c 405#endif
71be2cbc 406
1de7c2ac
GS		 407/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
408 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
409 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
410#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 411# ifdef PERL_GLOBAL_STRUCT_PRIVATE
412# define dTHXs dVAR; dTHX
413# else
414# define dTHXs dTHX
415# endif
1de7c2ac 416#else
27da23d5
JH		 417# ifdef PERL_GLOBAL_STRUCT_PRIVATE
418# define dTHXs dVAR
419# else
420# define dTHXs dNOOP
421# endif
1de7c2ac
GS		 422#endif
423
27da23d5
JH		 424/* Some platforms require marking function declarations
425 * for them to be exportable. Used in perlio.h, proto.h
426 * is handled either by the makedef.pl or by defining the
427 * PERL_CALLCONV to be something special. See also the
428 * definition of XS() in XSUB.h. */
429#ifndef PERL_EXPORT_C
a0c21aa1
JH		 430# ifdef __cplusplus
431# define PERL_EXPORT_C extern "C"
432# else
433# define PERL_EXPORT_C extern
434# endif
27da23d5
JH		 435#endif
436#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 437# ifdef __cplusplus
438# define PERL_XS_EXPORT_C extern "C"
439# else
440# define PERL_XS_EXPORT_C
441# endif
27da23d5
JH		 442#endif
443
462e5cf6
MB		 444#ifdef OP_IN_REGISTER
445# ifdef __GNUC__
446# define stringify_immed(s) #s
447# define stringify(s) stringify_immed(s)
d1ca3daa 448register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 449# endif
450#endif
451
e5afc1ae 452/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 453 * g++ allows them but seems to have problems with them
70aab261
RB		 454 * (insane errors ensue).
455 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
456 */
457#if defined(PERL_GCC_PEDANTIC) || \
458 (defined(__GNUC__) && defined(__cplusplus) && \
459 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 460# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 461# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
462# endif
5dc8bdac
JH		 463#endif
464
5b692037
JH		 465#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
466# ifndef PERL_USE_GCC_BRACE_GROUPS
467# define PERL_USE_GCC_BRACE_GROUPS
468# endif
469#endif
470
728e2803 471/*
472 * STMT_START { statements; } STMT_END;
473 * can be used as a single statement, as in
474 * if (x) STMT_START { ... } STMT_END; else ...
475 *
476 * Trying to select a version that gives no warnings...
477 */
478#if !(defined(STMT_START) && defined(STMT_END))
5b692037 479# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 480# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 481# define STMT_END )
482# else
483 /* Now which other defined()s do we need here ??? */
93189314 484# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 485# define STMT_START if (1)
486# define STMT_END else (void)0
487# else
488# define STMT_START do
489# define STMT_END while (0)
490# endif
491# endif
492#endif
493
d6f9c181
JH		 494#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
495# define BYTEORDER 0x1234
79072805
LW		 496#endif
497
498/* Overall memory policy? */
499#ifndef CONSERVATIVE
500# define LIBERAL 1
501#endif
502
8ada0baa
JH		 503#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
504#define ASCIIish
505#else
506#undef ASCIIish
507#endif
508
79072805
LW		 509/*
510 * The following contortions are brought to you on behalf of all the
511 * standards, semi-standards, de facto standards, not-so-de-facto standards
512 * of the world, as well as all the other botches anyone ever thought of.
513 * The basic theory is that if we work hard enough here, the rest of the
514 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
515 */
ac58e20f 516
ee0007ab 517/* define this once if either system, instead of cluttering up the src */
2986a63f 518#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 519#define DOSISH 1
520#endif
521
fb38d079 522#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 523# define STANDARD_C 1
524#endif
525
9969cdde 526#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 527# define DONT_DECLARE_STD 1
528#endif
529
352d5a3a 530#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 531# define VOL volatile
663a0e37 532#else
79072805 533# define VOL
663a0e37
LW		 534#endif
535
3280af22
NIS		 536#define TAINT (PL_tainted = TRUE)
537#define TAINT_NOT (PL_tainted = FALSE)
538#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
539#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 540#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 541
20be6587
DM		 542/* flags used internally only within pp_subst and pp_substcont */
543#ifdef PERL_CORE
544# define SUBST_TAINT_STR 1 /* string tainted */
545# define SUBST_TAINT_PAT 2 /* pattern tainted */
546# define SUBST_TAINT_REPL 4 /* replacement tainted */
547# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
548# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
549#endif
550
d460ef45 551/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 552 defines move there? If so, I could simplify this a lot. --AD 9/96.
553*/
554/* Process group stuff changed from traditional BSD to POSIX.
555 perlfunc.pod documents the traditional BSD-style syntax, so we'll
556 try to preserve that, if possible.
557*/
558#ifdef HAS_SETPGID
559# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 560#else
a6e633de 561# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
562# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
563# else
564# ifdef HAS_SETPGRP2 /* DG/UX */
565# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
566# endif
567# endif
568#endif
569#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
570# define HAS_SETPGRP /* Well, effectively it does . . . */
571#endif
572
573/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
574 our life easier :-) so we'll try it.
575*/
576#ifdef HAS_GETPGID
577# define BSD_GETPGRP(pid) getpgid((pid))
578#else
579# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
580# define BSD_GETPGRP(pid) getpgrp((pid))
581# else
582# ifdef HAS_GETPGRP2 /* DG/UX */
583# define BSD_GETPGRP(pid) getpgrp2((pid))
584# endif
585# endif
586#endif
587#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
588# define HAS_GETPGRP /* Well, effectively it does . . . */
589#endif
590
d460ef45 591/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 592 have different behaviors, but perl.h used to define USE_BSDPGRP
593 (prior to 5.003_05) so some extension might depend on it.
594*/
595#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
596# ifndef USE_BSDPGRP
597# define USE_BSDPGRP
598# endif
663a0e37
LW		 599#endif
600
486ec47a 601/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH		 602 pthread.h must be included before all other header files.
603*/
3db8f154 604#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 605# include <pthread.h>
606#endif
607
760ac839
LW		 608#ifndef _TYPES_ /* If types.h defines this it's easy. */
609# ifndef major /* Does everyone's types.h define this? */
610# include <sys/types.h>
c07a80fd 611# endif
663a0e37
LW		 612#endif
613
760ac839
LW		 614#ifdef __cplusplus
615# ifndef I_STDARG
616# define I_STDARG 1
617# endif
618#endif
619
620#ifdef I_STDARG
621# include <stdarg.h>
622#else
623# ifdef I_VARARGS
624# include <varargs.h>
625# endif
626#endif
627
4633a7c4 628#ifdef USE_NEXT_CTYPE
0c30d9ec 629
092bebab
JH		 630#if NX_CURRENT_COMPILER_RELEASE >= 500
631# include <bsd/ctypes.h>
632#else
633# if NX_CURRENT_COMPILER_RELEASE >= 400
634# include <objc/NXCType.h>
635# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
636# include <appkit/NXCType.h>
637# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
638#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 639
640#else /* !USE_NEXT_CTYPE */
fe14fcc3 641#include <ctype.h>
0c30d9ec 642#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 643
644#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
645#undef METHOD
a0d0e21e
LW		 646#endif
647
12ae5dfc
JH		 648#ifdef PERL_MICRO
649# define NO_LOCALE
650#endif
651
4633a7c4 652#ifdef I_LOCALE
36477c24 653# include <locale.h>
4633a7c4
LW		 654#endif
655
36477c24 656#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
657# define USE_LOCALE
658# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
659 && defined(HAS_STRXFRM)
660# define USE_LOCALE_COLLATE
661# endif
662# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
663# define USE_LOCALE_CTYPE
664# endif
665# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
666# define USE_LOCALE_NUMERIC
667# endif
668#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 669
fe14fcc3 670#include <setjmp.h>
79072805 671
a0d0e21e 672#ifdef I_SYS_PARAM
79072805
LW		 673# ifdef PARAM_NEEDS_TYPES
674# include <sys/types.h>
675# endif
676# include <sys/param.h>
352d5a3a 677#endif
79072805 678
79072805 679/* Use all the "standard" definitions? */
a0d0e21e 680#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 681# include <stdlib.h>
ff68c719 682#endif
03a14243 683
3f270f98
JH		 684/* If this causes problems, set i_unistd=undef in the hint file. */
685#ifdef I_UNISTD
686# include <unistd.h>
687#endif
688
de8ca8af
NT		 689/* for WCOREDUMP */
690#ifdef I_SYS_WAIT
691# include <sys/wait.h>
692#endif
693
9969cdde 694#ifdef __SYMBIAN32__
27da23d5
JH		 695# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
696#endif
697
7114a2d2 698#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 699EXTERN_C int syscall(int, ...);
2ef53570
JH		 700#endif
701
7114a2d2 702#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 703EXTERN_C int usleep(unsigned int);
2ef53570
JH		 704#endif
705
9c12f1e5
RGS		 706/* Funky places that do not have socket stuff. */
707#if defined(__LIBCATAMOUNT__)
708# define MYSWAP
709#endif
710
9a34ef1d
GS		 711#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
712# define MYSWAP
713#endif
714
1109a392
MHM		 715#ifdef PERL_CORE
716
717/* macros for correct constant construction */
718# if INTSIZE >= 2
719# define U16_CONST(x) ((U16)x##U)
720# else
721# define U16_CONST(x) ((U16)x##UL)
722# endif
723
724# if INTSIZE >= 4
725# define U32_CONST(x) ((U32)x##U)
726# else
727# define U32_CONST(x) ((U32)x##UL)
728# endif
729
730# ifdef HAS_QUAD
731# if INTSIZE >= 8
732# define U64_CONST(x) ((U64)x##U)
733# elif LONGSIZE >= 8
734# define U64_CONST(x) ((U64)x##UL)
735# elif QUADKIND == QUAD_IS_LONG_LONG
736# define U64_CONST(x) ((U64)x##ULL)
737# else /* best guess we can make */
738# define U64_CONST(x) ((U64)x##UL)
739# endif
740# endif
741
742/* byte-swapping functions for big-/little-endian conversion */
743# define _swab_16_(x) ((U16)( \
744 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
745 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
746
747# define _swab_32_(x) ((U32)( \
748 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
749 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
750 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
751 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
752
753# ifdef HAS_QUAD
754# define _swab_64_(x) ((U64)( \
755 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
756 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
757 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
758 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
759 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
760 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
761 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
762 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
763# endif
764
765/*----------------------------------------------------------------------------*/
766# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
767/*----------------------------------------------------------------------------*/
768# define my_htole16(x) (x)
769# define my_letoh16(x) (x)
770# define my_htole32(x) (x)
771# define my_letoh32(x) (x)
772# define my_htobe16(x) _swab_16_(x)
773# define my_betoh16(x) _swab_16_(x)
774# define my_htobe32(x) _swab_32_(x)
775# define my_betoh32(x) _swab_32_(x)
776# ifdef HAS_QUAD
777# define my_htole64(x) (x)
778# define my_letoh64(x) (x)
779# define my_htobe64(x) _swab_64_(x)
780# define my_betoh64(x) _swab_64_(x)
781# endif
782# define my_htoles(x) (x)
783# define my_letohs(x) (x)
784# define my_htolei(x) (x)
785# define my_letohi(x) (x)
786# define my_htolel(x) (x)
787# define my_letohl(x) (x)
788# if SHORTSIZE == 1
789# define my_htobes(x) (x)
790# define my_betohs(x) (x)
791# elif SHORTSIZE == 2
792# define my_htobes(x) _swab_16_(x)
793# define my_betohs(x) _swab_16_(x)
794# elif SHORTSIZE == 4
795# define my_htobes(x) _swab_32_(x)
796# define my_betohs(x) _swab_32_(x)
797# elif SHORTSIZE == 8
798# define my_htobes(x) _swab_64_(x)
799# define my_betohs(x) _swab_64_(x)
800# else
801# define PERL_NEED_MY_HTOBES
802# define PERL_NEED_MY_BETOHS
803# endif
804# if INTSIZE == 1
805# define my_htobei(x) (x)
806# define my_betohi(x) (x)
807# elif INTSIZE == 2
808# define my_htobei(x) _swab_16_(x)
809# define my_betohi(x) _swab_16_(x)
810# elif INTSIZE == 4
811# define my_htobei(x) _swab_32_(x)
812# define my_betohi(x) _swab_32_(x)
813# elif INTSIZE == 8
814# define my_htobei(x) _swab_64_(x)
815# define my_betohi(x) _swab_64_(x)
816# else
817# define PERL_NEED_MY_HTOBEI
818# define PERL_NEED_MY_BETOHI
819# endif
820# if LONGSIZE == 1
821# define my_htobel(x) (x)
822# define my_betohl(x) (x)
823# elif LONGSIZE == 2
824# define my_htobel(x) _swab_16_(x)
825# define my_betohl(x) _swab_16_(x)
826# elif LONGSIZE == 4
827# define my_htobel(x) _swab_32_(x)
828# define my_betohl(x) _swab_32_(x)
829# elif LONGSIZE == 8
830# define my_htobel(x) _swab_64_(x)
831# define my_betohl(x) _swab_64_(x)
832# else
833# define PERL_NEED_MY_HTOBEL
834# define PERL_NEED_MY_BETOHL
835# endif
836# define my_htolen(p,n) NOOP
837# define my_letohn(p,n) NOOP
838# define my_htoben(p,n) my_swabn(p,n)
839# define my_betohn(p,n) my_swabn(p,n)
840/*----------------------------------------------------------------------------*/
841# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
842/*----------------------------------------------------------------------------*/
843# define my_htobe16(x) (x)
844# define my_betoh16(x) (x)
845# define my_htobe32(x) (x)
846# define my_betoh32(x) (x)
847# define my_htole16(x) _swab_16_(x)
848# define my_letoh16(x) _swab_16_(x)
849# define my_htole32(x) _swab_32_(x)
850# define my_letoh32(x) _swab_32_(x)
851# ifdef HAS_QUAD
852# define my_htobe64(x) (x)
853# define my_betoh64(x) (x)
854# define my_htole64(x) _swab_64_(x)
855# define my_letoh64(x) _swab_64_(x)
856# endif
857# define my_htobes(x) (x)
858# define my_betohs(x) (x)
859# define my_htobei(x) (x)
860# define my_betohi(x) (x)
861# define my_htobel(x) (x)
862# define my_betohl(x) (x)
863# if SHORTSIZE == 1
864# define my_htoles(x) (x)
865# define my_letohs(x) (x)
866# elif SHORTSIZE == 2
867# define my_htoles(x) _swab_16_(x)
868# define my_letohs(x) _swab_16_(x)
869# elif SHORTSIZE == 4
870# define my_htoles(x) _swab_32_(x)
871# define my_letohs(x) _swab_32_(x)
872# elif SHORTSIZE == 8
873# define my_htoles(x) _swab_64_(x)
874# define my_letohs(x) _swab_64_(x)
875# else
876# define PERL_NEED_MY_HTOLES
877# define PERL_NEED_MY_LETOHS
878# endif
879# if INTSIZE == 1
880# define my_htolei(x) (x)
881# define my_letohi(x) (x)
882# elif INTSIZE == 2
883# define my_htolei(x) _swab_16_(x)
884# define my_letohi(x) _swab_16_(x)
885# elif INTSIZE == 4
886# define my_htolei(x) _swab_32_(x)
887# define my_letohi(x) _swab_32_(x)
888# elif INTSIZE == 8
889# define my_htolei(x) _swab_64_(x)
890# define my_letohi(x) _swab_64_(x)
891# else
892# define PERL_NEED_MY_HTOLEI
893# define PERL_NEED_MY_LETOHI
894# endif
895# if LONGSIZE == 1
896# define my_htolel(x) (x)
897# define my_letohl(x) (x)
898# elif LONGSIZE == 2
899# define my_htolel(x) _swab_16_(x)
900# define my_letohl(x) _swab_16_(x)
901# elif LONGSIZE == 4
902# define my_htolel(x) _swab_32_(x)
903# define my_letohl(x) _swab_32_(x)
904# elif LONGSIZE == 8
905# define my_htolel(x) _swab_64_(x)
906# define my_letohl(x) _swab_64_(x)
907# else
908# define PERL_NEED_MY_HTOLEL
909# define PERL_NEED_MY_LETOHL
910# endif
911# define my_htolen(p,n) my_swabn(p,n)
912# define my_letohn(p,n) my_swabn(p,n)
913# define my_htoben(p,n) NOOP
914# define my_betohn(p,n) NOOP
915/*----------------------------------------------------------------------------*/
916# else /* all other byte-orders */
917/*----------------------------------------------------------------------------*/
918# define PERL_NEED_MY_HTOLE16
919# define PERL_NEED_MY_LETOH16
920# define PERL_NEED_MY_HTOBE16
921# define PERL_NEED_MY_BETOH16
922# define PERL_NEED_MY_HTOLE32
923# define PERL_NEED_MY_LETOH32
924# define PERL_NEED_MY_HTOBE32
925# define PERL_NEED_MY_BETOH32
926# ifdef HAS_QUAD
927# define PERL_NEED_MY_HTOLE64
928# define PERL_NEED_MY_LETOH64
929# define PERL_NEED_MY_HTOBE64
930# define PERL_NEED_MY_BETOH64
931# endif
932# define PERL_NEED_MY_HTOLES
933# define PERL_NEED_MY_LETOHS
934# define PERL_NEED_MY_HTOBES
935# define PERL_NEED_MY_BETOHS
936# define PERL_NEED_MY_HTOLEI
937# define PERL_NEED_MY_LETOHI
938# define PERL_NEED_MY_HTOBEI
939# define PERL_NEED_MY_BETOHI
940# define PERL_NEED_MY_HTOLEL
941# define PERL_NEED_MY_LETOHL
942# define PERL_NEED_MY_HTOBEL
943# define PERL_NEED_MY_BETOHL
944/*----------------------------------------------------------------------------*/
945# endif /* end of byte-order macros */
946/*----------------------------------------------------------------------------*/
947
9c17f24a
NC		 948/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
949 at least on FreeBSD. YMMV, so experiment. */
950#ifndef PERL_ARENA_SIZE
951#define PERL_ARENA_SIZE 4080
952#endif
953
ccb2c8b8 954/* Maximum level of recursion */
2b9dff67
RGS		 955#ifndef PERL_SUB_DEPTH_WARN
956#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 957#endif
958
1109a392
MHM		 959#endif /* PERL_CORE */
960
bdf3085f
NC		 961/* We no longer default to creating a new SV for GvSV.
962 Do this before embed. */
963#ifndef PERL_CREATE_GVSV
7459f06b
NC		 964# ifndef PERL_DONT_CREATE_GVSV
965# define PERL_DONT_CREATE_GVSV
966# endif
bdf3085f
NC		 967#endif
968
ca0c25f6
NC		 969#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
970#define PERL_USES_PL_PIDSTATUS
971#endif
972
e37778c2 973#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__)
a62746fa
RGS		 974#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
975#endif
976
00f254e2 977/* Cannot include embed.h here on Win32 as win32.h has not
66a93824
NIS		 978 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
979 */
96e176bf 980#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 981# include "embed.h"
eb8433b7
NC		 982# ifndef PERL_MAD
983# undef op_getmad
b3f24c00 984# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 985# endif
cea2e8a9
GS		 986#endif
987
c31fac66
GS		 988#define MEM_SIZE Size_t
989
1936d2a7
NC		 990/* Round all values passed to malloc up, by default to a multiple of
991 sizeof(size_t)
992*/
993#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
994#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
995#endif
996
f1200559
WH		 997/* sv_grow() will expand strings by at least a certain percentage of
998 the previously *used* length to avoid excessive calls to realloc().
999 The default is 25% of the current length.
1000*/
1001#ifndef PERL_STRLEN_EXPAND_SHIFT
1002# define PERL_STRLEN_EXPAND_SHIFT 2
1003#endif
1004
51371543
GS		 1005#if defined(STANDARD_C) && defined(I_STDDEF)
1006# include <stddef.h>
1007# define STRUCT_OFFSET(s,m) offsetof(s,m)
1008#else
1009# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
1010#endif
1011
9969cdde 1012#ifndef __SYMBIAN32__
27da23d5
JH		 1013# if defined(I_STRING) || defined(__cplusplus)
1014# include <string.h>
1015# else
1016# include <strings.h>
1017# endif
51371543
GS		 1018#endif
1019
55497cff 1020/* This comes after <stdlib.h> so we don't try to change the standard
1021 * library prototypes; we'll use our own in proto.h instead. */
03a14243 1022
4633a7c4 1023#ifdef MYMALLOC
86058a2d 1024# ifdef PERL_POLLUTE_MALLOC
ee13e175 1025# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 1026# define Perl_malloc malloc
1027# define Perl_calloc calloc
1028# define Perl_realloc realloc
1029# define Perl_mfree free
ee13e175 1030# endif
86058a2d
GS		 1031# else
1032# define EMBEDMYMALLOC /* for compatibility */
1033# endif
827e134a 1034
651b9576
GS		 1035# define safemalloc Perl_malloc
1036# define safecalloc Perl_calloc
1037# define saferealloc Perl_realloc
1038# define safefree Perl_mfree
22f7c9c9
JH		 1039# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1040 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1041 code; \
1042 } STMT_END
1043# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1044 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1045# define panic_write2(s) write(2, s, strlen(s))
1046# define CHECK_MALLOC_TAINT(newval) \
1047 CHECK_MALLOC_TOO_LATE_FOR_( \
1048 if (newval) { \
1049 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1050 exit(1); })
22f7c9c9 1051# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1052 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 1053 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1054 }} STMT_END;
f2517201
GS		 1055#else /* MYMALLOC */
1056# define safemalloc safesysmalloc
1057# define safecalloc safesyscalloc
1058# define saferealloc safesysrealloc
1059# define safefree safesysfree
22f7c9c9
JH		 1060# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1061# define CHECK_MALLOC_TAINT(newval) ((void)0)
1062# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1063#endif /* MYMALLOC */
4633a7c4 1064
fe13d51d 1065/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 1066#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		 1067#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1068#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1069#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1070
a0d0e21e
LW		 1071#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1072#define strchr index
1073#define strrchr rindex
1074#endif
1075
16d20bd9
AD		 1076#ifdef I_MEMORY
1077# include <memory.h>
1078#endif
1079
fe14fcc3 1080#ifdef HAS_MEMCPY
85e6fe83 1081# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1082# ifndef memcpy
20ce7b12 1083 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 1084# endif
1085# endif
1086#else
1087# ifndef memcpy
1088# ifdef HAS_BCOPY
1089# define memcpy(d,s,l) bcopy(s,d,l)
1090# else
1091# define memcpy(d,s,l) my_bcopy(s,d,l)
1092# endif
1093# endif
1094#endif /* HAS_MEMCPY */
fe14fcc3 1095
ee0007ab 1096#ifdef HAS_MEMSET
85e6fe83 1097# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1098# ifndef memset
20ce7b12 1099 extern char *memset (char*, int, int);
ee0007ab
LW		 1100# endif
1101# endif
ee0007ab 1102#else
12ae5dfc 1103# undef memset
fc36a67e 1104# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1105#endif /* HAS_MEMSET */
1106
85e6fe83 1107#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1108# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1109# define memmove(d,s,l) bcopy(s,d,l)
1110# else
2304df62 1111# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1112# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1113# else
79072805 1114# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1115# endif
352d5a3a 1116# endif
d9d8d8de 1117#endif
ee0007ab 1118
36477c24 1119#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1120# undef HAS_MEMCMP
1121#endif
1122
1123#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1124# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1125# ifndef memcmp
20ce7b12 1126 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1127# endif
1128# endif
36477c24 1129# ifdef BUGGY_MSC
7e4e8c89 1130# pragma function(memcmp)
36477c24 1131# endif
ee0007ab
LW		 1132#else
1133# ifndef memcmp
ecfc5424 1134# define memcmp my_memcmp
352d5a3a 1135# endif
36477c24 1136#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1137
fc36a67e 1138#ifndef memzero
c635e13b 1139# ifdef HAS_MEMSET
1140# define memzero(d,l) memset(d,0,l)
79072805 1141# else
c635e13b 1142# ifdef HAS_BZERO
1143# define memzero(d,l) bzero(d,l)
79072805 1144# else
fc36a67e 1145# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1146# endif
1147# endif
d9d8d8de 1148#endif
378cc40b 1149
2f42fcb0 1150#ifndef PERL_MICRO
0f27ced1
JH		 1151#ifndef memchr
1152# ifndef HAS_MEMCHR
1153# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1154# endif
1155#endif
2f42fcb0 1156#endif
0f27ced1 1157
36477c24 1158#ifndef HAS_BCMP
1159# ifndef bcmp
1160# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1161# endif
36477c24 1162#endif /* !HAS_BCMP */
378cc40b 1163
ae986130 1164#ifdef I_NETINET_IN
79072805 1165# include <netinet/in.h>
ae986130
LW		 1166#endif
1167
28e8609d
JH		 1168#ifdef I_ARPA_INET
1169# include <arpa/inet.h>
1170#endif
1171
84902520
TB		 1172#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1173/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1174 * (the neo-BSD seem to do this). */
1175# undef SF_APPEND
1176#endif
1177
1aef975c 1178#ifdef I_SYS_STAT
84902520 1179# include <sys/stat.h>
1aef975c 1180#endif
79072805 1181
287a962e
JD		 1182/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1183 This definition should ideally go into win32/win32.h, but S_IFIFO is
1184 used later here in perl.h before win32/win32.h is being included. */
1185#if !defined(S_IFIFO) && defined(_S_IFIFO)
1186# define S_IFIFO _S_IFIFO
1187#endif
1188
a0d0e21e
LW		 1189/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1190 like UTekV) are broken, sometimes giving false positives. Undefine
1191 them here and let the code below set them to proper values.
1192
1193 The ghs macro stands for GreenHills Software C-1.8.5 which
1194 is the C compiler for sysV88 and the various derivatives.
1195 This header file bug is corrected in gcc-2.5.8 and later versions.
1196 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1197
1198#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1199# undef S_ISDIR
1200# undef S_ISCHR
1201# undef S_ISBLK
1202# undef S_ISREG
1203# undef S_ISFIFO
1204# undef S_ISLNK
ee0007ab 1205#endif
135863df 1206
663a0e37
LW		 1207#ifdef I_TIME
1208# include <time.h>
ffed7fef 1209#endif
663a0e37 1210
fe14fcc3 1211#ifdef I_SYS_TIME
85e6fe83 1212# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1213# define KERNEL
1214# endif
1215# include <sys/time.h>
85e6fe83 1216# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1217# undef KERNEL
1218# endif
a687059c 1219#endif
135863df 1220
55497cff 1221#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1222# include <sys/times.h>
d9d8d8de 1223#endif
8d063cd8 1224
fe14fcc3 1225#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1226# undef HAS_STRERROR
663a0e37
LW		 1227#endif
1228
1229#include <errno.h>
1e743fda 1230
acfe0abc 1231#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1232# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1233#endif
1234
8cfab5ff 1235/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1236 * This is important for using IPv6.
8cfab5ff
JH		 1237 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1238 * a bad idea since it breaks send() and recv(). */
1239#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1240# define _SOCKADDR_LEN
1241#endif
1242
da70cfc6 1243#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH		 1244# include <sys/socket.h>
1245# if defined(USE_SOCKS) && defined(I_SOCKS)
1246# if !defined(INCLUDE_PROTOTYPES)
1247# define INCLUDE_PROTOTYPES /* for <socks.h> */
1248# define PERL_SOCKS_NEED_PROTOTYPES
1249# endif
1250# include <socks.h>
1251# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1252# undef INCLUDE_PROTOTYPES
1253# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1254# endif
d460ef45 1255# endif
1e743fda 1256# ifdef I_NETDB
2986a63f
JH		 1257# ifdef NETWARE
1258# include<stdio.h>
1259# endif
1e743fda
JH		 1260# include <netdb.h>
1261# endif
1262# ifndef ENOTSOCK
1263# ifdef I_NET_ERRNO
1264# include <net/errno.h>
1265# endif
1266# endif
1267#endif
1268
fa0a29af 1269/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1270 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1271 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1272#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1273# if defined(__THROW) && defined(__GLIBC__)
1274int sockatmark(int) __THROW;
1275# else
2ef53570 1276int sockatmark(int);
29820b6d 1277# endif
2ef53570
JH		 1278#endif
1279
7e827271 1280#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		 1281EXTERN_C int fchdir(int);
1282EXTERN_C int flock(int, int);
1283EXTERN_C int fseeko(FILE *, off_t, int);
1284EXTERN_C off_t ftello(FILE *);
1285#endif
1286
7e827271 1287#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1288EXTERN_C char *crypt(const char *, const char *);
7e827271 1289EXTERN_C char **environ;
1ccb7c8d
JH		 1290#endif
1291
83a6ff2e 1292#if defined(__cplusplus)
944c4fda 1293# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1294EXTERN_C char **environ;
83a6ff2e 1295# elif defined(__CYGWIN__)
667e2948
SP		 1296EXTERN_C char *crypt(const char *, const char *);
1297#endif
83a6ff2e 1298#endif
667e2948 1299
1e743fda
JH		 1300#ifdef SETERRNO
1301# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1302#endif
f86702cc 1303
1304#ifdef VMS
1305# define SETERRNO(errcode,vmserrcode) \
1306 STMT_START { \
1307 set_errno(errcode); \
1308 set_vaxc_errno(vmserrcode); \
1309 } STMT_END
4ee39169
CS		 1310# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1311# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1312# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1313# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1314
93189314
JH		 1315# define LIB_INVARG LIB$_INVARG
1316# define RMS_DIR RMS$_DIR
1317# define RMS_FAC RMS$_FAC
1318# define RMS_FEX RMS$_FEX
1319# define RMS_FNF RMS$_FNF
1320# define RMS_IFI RMS$_IFI
1321# define RMS_ISI RMS$_ISI
1322# define RMS_PRV RMS$_PRV
1323# define SS_ACCVIO SS$_ACCVIO
1324# define SS_DEVOFFLINE SS$_DEVOFFLINE
1325# define SS_IVCHAN SS$_IVCHAN
1326# define SS_NORMAL SS$_NORMAL
748a9306 1327#else
aba27d88 1328# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS		 1329# define dSAVEDERRNO int saved_errno
1330# define dSAVE_ERRNO int saved_errno = errno
1331# define SAVE_ERRNO (saved_errno = errno)
1332# define RESTORE_ERRNO (errno = saved_errno)
1333
93189314
JH		 1334# define LIB_INVARG 0
1335# define RMS_DIR 0
1336# define RMS_FAC 0
1337# define RMS_FEX 0
1338# define RMS_FNF 0
1339# define RMS_IFI 0
1340# define RMS_ISI 0
1341# define RMS_PRV 0
1342# define SS_ACCVIO 0
1343# define SS_DEVOFFLINE 0
1344# define SS_IVCHAN 0
1345# define SS_NORMAL 0
748a9306 1346#endif
ed6116ce 1347
f5fa9033 1348#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC		 1349
1350#define CLEAR_ERRSV() STMT_START { \
1351 if (!GvSV(PL_errgv)) { \
1352 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1353 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1354 SvREFCNT_dec(GvSV(PL_errgv)); \
1355 GvSV(PL_errgv) = newSVpvs(""); \
1356 } else { \
1357 SV *const errsv = GvSV(PL_errgv); \
1358 sv_setpvs(errsv, ""); \
1359 if (SvMAGICAL(errsv)) { \
1360 mg_free(errsv); \
1361 } \
1362 SvPOK_only(errsv); \
1363 } \
1364 } STMT_END
1365
1366
414bf5ae
MHM		 1367#ifdef PERL_CORE
1368# define DEFSV (0 + GvSVn(PL_defgv))
1369#else
1370# define DEFSV GvSVn(PL_defgv)
1371#endif
1372#define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
3db8f154 1373#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1374
98eae8f5
GS		 1375#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1376
55497cff 1377#ifndef errno
5ff3f7a4
GS		 1378 extern int errno; /* ANSI allows errno to be an lvalue expr.
1379 * For example in multithreaded environments
1380 * something like this might happen:
1381 * extern int *_errno(void);
1382 * #define errno (*_errno()) */
d9d8d8de 1383#endif
663a0e37 1384
2304df62 1385#ifdef HAS_STRERROR
a0d0e21e 1386# ifdef VMS
20ce7b12 1387 char *strerror (int,...);
a0d0e21e 1388# else
68dc0745 1389#ifndef DONT_DECLARE_STD
20ce7b12 1390 char *strerror (int);
68dc0745 1391#endif
a0d0e21e 1392# endif
2304df62
AD		 1393# ifndef Strerror
1394# define Strerror strerror
1395# endif
1396#else
1397# ifdef HAS_SYS_ERRLIST
79072805
LW		 1398 extern int sys_nerr;
1399 extern char *sys_errlist[];
2304df62
AD		 1400# ifndef Strerror
1401# define Strerror(e) \
79072805 1402 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1403# endif
79072805 1404# endif
35c8bce7 1405#endif
663a0e37 1406
2304df62 1407#ifdef I_SYS_IOCTL
79072805
LW		 1408# ifndef _IOCTL_
1409# include <sys/ioctl.h>
1410# endif
a687059c
LW		 1411#endif
1412
ee0007ab 1413#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1414# ifdef HAS_SOCKETPAIR
1415# undef HAS_SOCKETPAIR
1416# endif
2304df62
AD		 1417# ifdef I_NDBM
1418# undef I_NDBM
79072805 1419# endif
a687059c
LW		 1420#endif
1421
02fc2eee
NC		 1422#ifndef HAS_SOCKETPAIR
1423# ifdef HAS_SOCKET
1424# define socketpair Perl_my_socketpair
1425# endif
1426#endif
1427
a687059c 1428#if INTSIZE == 2
79072805
LW		 1429# define htoni htons
1430# define ntohi ntohs
a687059c 1431#else
79072805
LW		 1432# define htoni htonl
1433# define ntohi ntohl
a687059c
LW		 1434#endif
1435
a0d0e21e 1436/* Configure already sets Direntry_t */
35c8bce7 1437#if defined(I_DIRENT)
663a0e37 1438# include <dirent.h>
8f1f23e8
W		 1439 /* NeXT needs dirent + sys/dir.h */
1440# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1441# include <sys/dir.h>
1442# endif
ae986130 1443#else
fe14fcc3 1444# ifdef I_SYS_NDIR
79a0689e 1445# include <sys/ndir.h>
663a0e37 1446# else
fe14fcc3 1447# ifdef I_SYS_DIR
79a0689e
LW		 1448# ifdef hp9000s500
1449# include <ndir.h> /* may be wrong in the future */
1450# else
1451# include <sys/dir.h>
1452# endif
663a0e37
LW		 1453# endif
1454# endif
4633a7c4 1455#endif
a687059c 1456
12ae5dfc
JH		 1457#ifdef PERL_MICRO
1458# ifndef DIR
1459# define DIR void
1460# endif
1461#endif
1462
352d5a3a
LW		 1463#ifdef FPUTS_BOTCH
1464/* work around botch in SunOS 4.0.1 and 4.0.2 */
1465# ifndef fputs
79072805 1466# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1467# endif
1468#endif
1469
c623bd54
LW		 1470/*
1471 * The following gobbledygook brought to you on behalf of __STDC__.
1472 * (I could just use #ifndef __STDC__, but this is more bulletproof
1473 * in the face of half-implementations.)
1474 */
1475
7114a2d2 1476#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1477#include <sys/mode.h>
1478#endif
1479
c623bd54
LW		 1480#ifndef S_IFMT
1481# ifdef _S_IFMT
1482# define S_IFMT _S_IFMT
1483# else
1484# define S_IFMT 0170000
1485# endif
1486#endif
1487
1488#ifndef S_ISDIR
1489# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1490#endif
1491
1492#ifndef S_ISCHR
1493# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1494#endif
1495
1496#ifndef S_ISBLK
fe14fcc3
LW		 1497# ifdef S_IFBLK
1498# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1499# else
1500# define S_ISBLK(m) (0)
1501# endif
c623bd54
LW		 1502#endif
1503
1504#ifndef S_ISREG
1505# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1506#endif
1507
1508#ifndef S_ISFIFO
fe14fcc3
LW		 1509# ifdef S_IFIFO
1510# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1511# else
1512# define S_ISFIFO(m) (0)
1513# endif
c623bd54
LW		 1514#endif
1515
1516#ifndef S_ISLNK
1517# ifdef _S_ISLNK
1518# define S_ISLNK(m) _S_ISLNK(m)
1519# else
1520# ifdef _S_IFLNK
1521# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1522# else
1523# ifdef S_IFLNK
1524# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1525# else
1526# define S_ISLNK(m) (0)
1527# endif
1528# endif
1529# endif
1530#endif
1531
1532#ifndef S_ISSOCK
1533# ifdef _S_ISSOCK
1534# define S_ISSOCK(m) _S_ISSOCK(m)
1535# else
1536# ifdef _S_IFSOCK
1537# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1538# else
1539# ifdef S_IFSOCK
1540# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1541# else
1542# define S_ISSOCK(m) (0)
1543# endif
1544# endif
1545# endif
1546#endif
1547
1548#ifndef S_IRUSR
1549# ifdef S_IREAD
1550# define S_IRUSR S_IREAD
1551# define S_IWUSR S_IWRITE
1552# define S_IXUSR S_IEXEC
1553# else
1554# define S_IRUSR 0400
1555# define S_IWUSR 0200
1556# define S_IXUSR 0100
1557# endif
fac7cdfc
JS		 1558#endif
1559
1560#ifndef S_IRGRP
1561# ifdef S_IRUSR
1562# define S_IRGRP (S_IRUSR>>3)
1563# define S_IWGRP (S_IWUSR>>3)
1564# define S_IXGRP (S_IXUSR>>3)
1565# else
1566# define S_IRGRP 0040
1567# define S_IWGRP 0020
1568# define S_IXGRP 0010
1569# endif
1570#endif
1571
1572#ifndef S_IROTH
1573# ifdef S_IRUSR
1574# define S_IROTH (S_IRUSR>>6)
1575# define S_IWOTH (S_IWUSR>>6)
1576# define S_IXOTH (S_IXUSR>>6)
1577# else
1578# define S_IROTH 0040
1579# define S_IWOTH 0020
1580# define S_IXOTH 0010
1581# endif
c623bd54
LW		 1582#endif
1583
1584#ifndef S_ISUID
1585# define S_ISUID 04000
1586#endif
1587
1588#ifndef S_ISGID
1589# define S_ISGID 02000
1590#endif
1591
ca6e1c26
JH		 1592#ifndef S_IRWXU
1593# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1594#endif
ca6e1c26
JH		 1595
1596#ifndef S_IRWXG
1597# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1598#endif
ca6e1c26
JH		 1599
1600#ifndef S_IRWXO
1601# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1602#endif
ca6e1c26 1603
df00ff3b 1604/* BeOS 5.0 and Haiku R1 seem to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1605 * which would get included through <sys/file.h >, but that is 3000
1606 * lines in the future. --jhi */
1607
df00ff3b 1608#if !defined(S_IREAD) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1609# define S_IREAD S_IRUSR
1610#endif
1611
df00ff3b 1612#if !defined(S_IWRITE) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1613# define S_IWRITE S_IWUSR
1614#endif
1615
1616#ifndef S_IEXEC
1617# define S_IEXEC S_IXUSR
1618#endif
1619
79072805
LW		 1620#ifdef ff_next
1621# undef ff_next
352d5a3a
LW		 1622#endif
1623
a0d0e21e 1624#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1625# define SLOPPYDIVIDE
1626#endif
1627
748a9306
LW		 1628#ifdef UV
1629#undef UV
1630#endif
1631
c89df6bf
JH		 1632#ifdef SPRINTF_E_BUG
1633# define sprintf UTS_sprintf_wrap
1634#endif
1635
ce582cee
NC		 1636/* For the times when you want the return value of sprintf, and you want it
1637 to be the length. Can't have a thread variable passed in, because C89 has
1638 no varargs macros.
1639*/
1640#ifdef SPRINTF_RETURNS_STRLEN
1641# define my_sprintf sprintf
1642#else
1643# define my_sprintf Perl_my_sprintf
1644#endif
1645
5b692037
JH		 1646/*
1647 * If we have v?snprintf() and the C99 variadic macros, we can just
1648 * use just the v?snprintf(). It is nice to try to trap the buffer
1649 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1650 * gcc statement expressions, then use the function wrappers which try
1651 * to trap the overflow. If we can use the gcc statement expressions,
1652 * we can try that even with the version that uses the C99 variadic
1653 * macros.
5b692037
JH		 1654 */
1655
1208b3dd
JH		 1656/* Note that we do not check against snprintf()/vsnprintf() returning
1657 * negative values because that is non-standard behaviour and we use
1658 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1659 * that should be true only if the snprintf()/vsnprintf() are true
1660 * to the standard. */
1661
dfeee9b1 1662#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1663# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1664# 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 1665# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1666# else
1667# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1668# endif
1669#else
1670# define my_snprintf Perl_my_snprintf
1208b3dd 1671# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1672#endif
1673
dfeee9b1 1674#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1675# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1676# define my_vsnprintf(buffer, len, ...) ({ int __len__ = vsnprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (len)) Perl_croak_nocontext("panic: vsnprintf buffer overflow"); __len__; })
1208b3dd 1677# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1678# else
1679# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1680# endif
1681#else
1682# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1683# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1684#endif
d9fad198 1685
a6cc4119
SP		 1686#ifdef HAS_STRLCAT
1687# define my_strlcat strlcat
1688#else
1689# define my_strlcat Perl_my_strlcat
1690#endif
1691
1692#ifdef HAS_STRLCPY
1693# define my_strlcpy strlcpy
1694#else
1695# define my_strlcpy Perl_my_strlcpy
1696#endif
1697
c495e728
JH		 1698/* Configure gets this right but the UTS compiler gets it wrong.
1699 -- Hal Morris <hom00@utsglobal.com> */
1700#ifdef UTS
1701# undef UVTYPE
1702# define UVTYPE unsigned
1703#endif
1704
05f13f53 1705/*
27d4fb96 1706 The IV type is supposed to be long enough to hold any integral
1707 value or a pointer.
1708 --Andy Dougherty August 1996
1709*/
1710
a22e52b9
JH		 1711typedef IVTYPE IV;
1712typedef UVTYPE UV;
8175356b 1713
10cc9d2a 1714#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1715# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1716# define IV_MAX INT64_MAX
1717# define IV_MIN INT64_MIN
1718# define UV_MAX UINT64_MAX
cae7ae48
JH		 1719# ifndef UINT64_MIN
1720# define UINT64_MIN 0
1721# endif
5ff3f7a4
GS		 1722# define UV_MIN UINT64_MIN
1723# else
1724# define IV_MAX PERL_QUAD_MAX
1725# define IV_MIN PERL_QUAD_MIN
1726# define UV_MAX PERL_UQUAD_MAX
1727# define UV_MIN PERL_UQUAD_MIN
1728# endif
cf2093f6
JH		 1729# define IV_IS_QUAD
1730# define UV_IS_QUAD
79072805 1731#else
8175356b 1732# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1733# define IV_MAX INT32_MAX
1734# define IV_MIN INT32_MIN
716026f9
DL		 1735# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1736# define UV_MAX UINT32_MAX
1737# else
1738# define UV_MAX 4294967295U
1739# endif
cae7ae48
JH		 1740# ifndef UINT32_MIN
1741# define UINT32_MIN 0
1742# endif
5ff3f7a4
GS		 1743# define UV_MIN UINT32_MIN
1744# else
1745# define IV_MAX PERL_LONG_MAX
1746# define IV_MIN PERL_LONG_MIN
1747# define UV_MAX PERL_ULONG_MAX
1748# define UV_MIN PERL_ULONG_MIN
1749# endif
8175356b 1750# if IVSIZE == 8
cf2093f6
JH		 1751# define IV_IS_QUAD
1752# define UV_IS_QUAD
de1c2614
JH		 1753# ifndef HAS_QUAD
1754# define HAS_QUAD
1755# endif
cf2093f6
JH		 1756# else
1757# undef IV_IS_QUAD
1758# undef UV_IS_QUAD
de1c2614 1759# undef HAS_QUAD
cf2093f6 1760# endif
79072805 1761#endif
d7d93a81 1762
1109a392
MHM		 1763#ifndef HAS_QUAD
1764# undef PERL_NEED_MY_HTOLE64
1765# undef PERL_NEED_MY_LETOH64
1766# undef PERL_NEED_MY_HTOBE64
1767# undef PERL_NEED_MY_BETOH64
1768#endif
1769
6cde8aec 1770#if defined(uts) || defined(UTS)
11afe549
HM		 1771# undef UV_MAX
1772# define UV_MAX (4294967295u)
20601011
JH		 1773#endif
1774
cae7ae48 1775#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1776#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1777
28e5dec8 1778#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1779#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1780#endif
1781
d460ef45 1782/*
26bb67e2
JH		 1783 * The macros INT2PTR and NUM2PTR are (despite their names)
1784 * bi-directional: they will convert int/float to or from pointers.
1785 * However the conversion to int/float are named explicitly:
1786 * PTR2IV, PTR2UV, PTR2NV.
1787 *
1788 * For int conversions we do not need two casts if pointers are
1789 * the same size as IV and UV. Otherwise we need an explicit
1790 * cast (PTRV) to avoid compiler warnings.
1791 */
56431972
RB		 1792#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1793# define PTRV UV
1794# define INT2PTR(any,d) (any)(d)
1795#else
d460ef45 1796# if PTRSIZE == LONGSIZE
56431972 1797# define PTRV unsigned long
e91e3b10 1798# define PTR2ul(p) (unsigned long)(p)
42718184 1799# else
56431972 1800# define PTRV unsigned
42718184 1801# endif
e91e3b10
RB		 1802#endif
1803
1804#ifndef INT2PTR
56431972 1805# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1806#endif
e91e3b10
RB		 1807
1808#ifndef PTR2ul
1809# define PTR2ul(p) INT2PTR(unsigned long,p)
1810#endif
1811
56431972
RB		 1812#define NUM2PTR(any,d) (any)(PTRV)(d)
1813#define PTR2IV(p) INT2PTR(IV,p)
1814#define PTR2UV(p) INT2PTR(UV,p)
1815#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1816#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1817
8141890a
JH		 1818/* According to strict ANSI C89 one cannot freely cast between
1819 * data pointers and function (code) pointers. There are at least
1820 * two ways around this. One (used below) is to do two casts,
1821 * first the other pointer to an (unsigned) integer, and then
1822 * the integer to the other pointer. The other way would be
1823 * to use unions to "overlay" the pointers. For an example of
1824 * the latter technique, see union dirpu in struct xpvio in sv.h.
1825 * The only feasible use is probably temporarily storing
1826 * function pointers in a data pointer (such as a void pointer). */
1827
e91e3b10
RB		 1828#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1829#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1830
65202027 1831#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1832# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1833# define LONG_DOUBLE_EQUALS_DOUBLE
1834# endif
68d4903c 1835# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1836# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1837# endif
1838#endif
1839
2d4389e4
JH		 1840#ifdef OVR_DBL_DIG
1841/* Use an overridden DBL_DIG */
1842# ifdef DBL_DIG
1843# undef DBL_DIG
1844# endif
1845# define DBL_DIG OVR_DBL_DIG
1846#else
1847/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1848 default value for printing floating point numbers in Gconvert
1849 (see config.h). (It also has other uses, such as figuring out if
1850 a given precision of printing can be done with a double instead of
1851 a long double - Allen).
2d4389e4
JH		 1852*/
1853#ifdef I_LIMITS
1854#include <limits.h>
1855#endif
1856#ifdef I_FLOAT
1857#include <float.h>
1858#endif
1859#ifndef HAS_DBL_DIG
1860#define DBL_DIG 15 /* A guess that works lots of places */
1861#endif
1862#endif
1863
1864#ifdef OVR_LDBL_DIG
1865/* Use an overridden LDBL_DIG */
1866# ifdef LDBL_DIG
1867# undef LDBL_DIG
1868# endif
1869# define LDBL_DIG OVR_LDBL_DIG
1870#else
1871/* The following is all to get LDBL_DIG, in order to pick a nice
1872 default value for printing floating point numbers in Gconvert.
1873 (see config.h)
1874*/
68d4903c
JH		 1875# ifdef I_LIMITS
1876# include <limits.h>
1877# endif
1878# ifdef I_FLOAT
1879# include <float.h>
1880# endif
1881# ifndef HAS_LDBL_DIG
1882# if LONG_DOUBLESIZE == 10
1883# define LDBL_DIG 18 /* assume IEEE */
1884# else
1885# if LONG_DOUBLESIZE == 12
1886# define LDBL_DIG 18 /* gcc? */
1887# else
1888# if LONG_DOUBLESIZE == 16
1889# define LDBL_DIG 33 /* assume IEEE */
1890# else
1891# if LONG_DOUBLESIZE == DOUBLESIZE
1892# define LDBL_DIG DBL_DIG /* bummer */
1893# endif
1894# endif
1895# endif
1896# endif
1897# endif
2d4389e4
JH		 1898#endif
1899
20f6aaab
AS		 1900/*
1901 * This is for making sure we have a good DBL_MAX value, if possible,
1902 * either for usage as NV_MAX or for usage in figuring out if we can
1903 * fit a given long double into a double, if bug-fixing makes it
1904 * necessary to do so. - Allen <allens@cpan.org>
1905 */
1906
205f51d8
AS		 1907#ifdef I_LIMITS
1908# include <limits.h>
20f6aaab
AS		 1909#endif
1910
205f51d8
AS		 1911#ifdef I_VALUES
1912# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1913# include <values.h>
1914# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1915# define DBL_MAX MAXDOUBLE
1916# endif
1917# if defined(MINDOUBLE) && !defined(DBL_MIN)
1918# define DBL_MIN MINDOUBLE
1919# endif
1920# endif
1921#endif /* defined(I_VALUES) */
1922
a22e52b9 1923typedef NVTYPE NV;
8175356b 1924
792d8dab
JH		 1925#ifdef I_IEEEFP
1926# include <ieeefp.h>
1927#endif
923fc586 1928
65202027 1929#ifdef USE_LONG_DOUBLE
923fc586
JH		 1930# ifdef I_SUNMATH
1931# include <sunmath.h>
1932# endif
2d4389e4 1933# define NV_DIG LDBL_DIG
d6c14000
JH		 1934# ifdef LDBL_MANT_DIG
1935# define NV_MANT_DIG LDBL_MANT_DIG
1936# endif
06fc1729
JH		 1937# ifdef LDBL_MIN
1938# define NV_MIN LDBL_MIN
1939# endif
1940# ifdef LDBL_MAX
1941# define NV_MAX LDBL_MAX
1942# endif
1943# ifdef LDBL_MIN_10_EXP
1944# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1945# endif
1946# ifdef LDBL_MAX_10_EXP
1947# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1948# endif
1949# ifdef LDBL_EPSILON
1950# define NV_EPSILON LDBL_EPSILON
1951# endif
f4a14a62
JH		 1952# ifdef LDBL_MAX
1953# define NV_MAX LDBL_MAX
20f6aaab 1954/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1955# else
1956# ifdef HUGE_VALL
1957# define NV_MAX HUGE_VALL
1958# else
1959# ifdef HUGE_VAL
1960# define NV_MAX ((NV)HUGE_VAL)
1961# endif
1962# endif
1963# endif
68d4903c 1964# ifdef HAS_SQRTL
68d4903c
JH		 1965# define Perl_cos cosl
1966# define Perl_sin sinl
1967# define Perl_sqrt sqrtl
1968# define Perl_exp expl
1969# define Perl_log logl
1970# define Perl_atan2 atan2l
1971# define Perl_pow powl
1972# define Perl_floor floorl
1bbae031 1973# define Perl_ceil ceill
68d4903c
JH		 1974# define Perl_fmod fmodl
1975# endif
a3540c92
JH		 1976/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1977# ifdef HAS_MODFL
1978# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1979/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1980 prototype in <math.h> */
1981# ifndef HAS_MODFL_PROTO
a221a8a5 1982EXTERN_C long double modfl(long double, long double *);
51997bc3 1983# endif
03476e8e
JH		 1984# else
1985# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1986 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1987# define Perl_modf(x,y) Perl_my_modfl(x,y)
1988# endif
a3540c92
JH		 1989# endif
1990# ifdef HAS_FREXPL
dff3e0b8 1991# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1992# else
1993# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1994 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1995# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1996# endif
a3540c92 1997# endif
38dbb4c5 1998# ifndef Perl_isnan
758a5d79
JH		 1999# ifdef HAS_ISNANL
2000# define Perl_isnan(x) isnanl(x)
2001# endif
2002# endif
2003# ifndef Perl_isinf
2004# ifdef HAS_FINITEL
2005# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 2006# endif
2007# endif
65202027 2008#else
2d4389e4 2009# define NV_DIG DBL_DIG
d6c14000
JH		 2010# ifdef DBL_MANT_DIG
2011# define NV_MANT_DIG DBL_MANT_DIG
2012# endif
06fc1729
JH		 2013# ifdef DBL_MIN
2014# define NV_MIN DBL_MIN
2015# endif
2016# ifdef DBL_MAX
2017# define NV_MAX DBL_MAX
2018# endif
2019# ifdef DBL_MIN_10_EXP
2020# define NV_MIN_10_EXP DBL_MIN_10_EXP
2021# endif
2022# ifdef DBL_MAX_10_EXP
2023# define NV_MAX_10_EXP DBL_MAX_10_EXP
2024# endif
2025# ifdef DBL_EPSILON
2026# define NV_EPSILON DBL_EPSILON
2027# endif
205f51d8 2028# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 2029# define NV_MAX DBL_MAX
2030# define NV_MIN DBL_MIN
2031# else
2032# ifdef HUGE_VAL
2033# define NV_MAX HUGE_VAL
2034# endif
2035# endif
65202027
DS		 2036# define Perl_cos cos
2037# define Perl_sin sin
2038# define Perl_sqrt sqrt
2039# define Perl_exp exp
2040# define Perl_log log
2041# define Perl_atan2 atan2
2042# define Perl_pow pow
2043# define Perl_floor floor
1bbae031 2044# define Perl_ceil ceil
65202027 2045# define Perl_fmod fmod
a3540c92 2046# define Perl_modf(x,y) modf(x,y)
dff3e0b8 2047# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 2048#endif
2049
2050/* rumor has it that Win32 has _fpclass() */
2051
205f51d8
AS		 2052/* SGI has fpclassl... but not with the same result values,
2053 * and it's via a typedef (not via #define), so will need to redo Configure
2054 * to use. Not worth the trouble, IMO, at least until the below is used
2055 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
2056 * with me for the SGI manpages, SGI testing, etcetera, if you want to
2057 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
2058
758a5d79
JH		 2059#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2060# ifdef I_IEEFP
2061# include <ieeefp.h>
2062# endif
2063# ifdef I_FP
2064# include <fp.h>
2065# endif
2066# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2067# define Perl_fp_class() fpclassl(x)
2068# else
2069# define Perl_fp_class() fpclass(x)
2070# endif
2071# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2072# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2073# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2074# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2075# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2076# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2077# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2078# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2079# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2080# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2081# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2082# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2083# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2084# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2085# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2086#endif
2087
7114a2d2 2088#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2089# include <math.h>
2090# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2091# include <fp_class.h>
2092# endif
2093# define Perl_fp_class(x) fp_class(x)
2094# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2095# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2096# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2097# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2098# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2099# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2100# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2101# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2102# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2103# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2104# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2105# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2106# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2107# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2108# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2109#endif
2110
2111#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2112# include <math.h>
2113# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2114# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2115# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2116# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2117# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2118# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2119#endif
2120
2121#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2122# include <math.h>
2123# ifndef _cplusplus
2124# define Perl_fp_class(x) class(x)
2125# else
2126# define Perl_fp_class(x) _class(x)
2127# endif
2128# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2129# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2130# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2131# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2132# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2133# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2134# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2135# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2136# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2137# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2138# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2139# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2140# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2141# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2142# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2143#endif
2144
2145/* rumor has it that Win32 has _isnan() */
2146
2147#ifndef Perl_isnan
a3540c92 2148# ifdef HAS_ISNAN
758a5d79
JH		 2149# define Perl_isnan(x) isnan((NV)x)
2150# else
2151# ifdef Perl_fp_class_nan
2152# define Perl_isnan(x) Perl_fp_class_nan(x)
2153# else
2154# ifdef HAS_UNORDERED
2155# define Perl_isnan(x) unordered((x), 0.0)
2156# else
2157# define Perl_isnan(x) ((x)!=(x))
2158# endif
2159# endif
2160# endif
2161#endif
2162
ca6c63e1
JH		 2163#ifdef UNDER_CE
2164int isnan(double d);
2165#endif
2166
758a5d79
JH		 2167#ifndef Perl_isinf
2168# ifdef HAS_ISINF
2169# define Perl_isinf(x) isinf((NV)x)
a3540c92 2170# else
758a5d79
JH		 2171# ifdef Perl_fp_class_inf
2172# define Perl_isinf(x) Perl_fp_class_inf(x)
2173# else
2174# define Perl_isinf(x) ((x)==NV_INF)
2175# endif
2176# endif
2177#endif
2178
2179#ifndef Perl_isfinite
2180# ifdef HAS_FINITE
2181# define Perl_isfinite(x) finite((NV)x)
2182# else
2183# ifdef HAS_ISFINITE
2184# define Perl_isfinite(x) isfinite(x)
2185# else
2186# ifdef Perl_fp_class_finite
2187# define Perl_isfinite(x) Perl_fp_class_finite(x)
2188# else
2189# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2190# endif
2191# endif
a3540c92 2192# endif
65202027
DS		 2193#endif
2194
a36244b7
JH		 2195/* The default is to use Perl's own atof() implementation (in numeric.c).
2196 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2197 * it is however best to use the native implementation of atof.
2198 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2199 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2200 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2201 * you may need to be using a different function than atof! */
a36244b7
JH		 2202
2203#ifndef USE_PERL_ATOF
2204# ifndef _UNICOS
2205# define USE_PERL_ATOF
2206# endif
2207#else
2208# if USE_PERL_ATOF == 0
2209# undef USE_PERL_ATOF
2210# endif
2211#endif
2212
2213#ifdef USE_PERL_ATOF
2214# define Perl_atof(s) Perl_my_atof(s)
2215# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2216#else
2217# define Perl_atof(s) (NV)atof(s)
2218# define Perl_atof2(s, n) ((n) = atof(s))
2219#endif
cf2093f6 2220
d460ef45 2221/* Previously these definitions used hardcoded figures.
760ac839
LW		 2222 * It is hoped these formula are more portable, although
2223 * no data one way or another is presently known to me.
2224 * The "PERL_" names are used because these calculated constants
2225 * do not meet the ANSI requirements for LONG_MAX, etc., which
2226 * need to be constants acceptable to #if - kja
2227 * define PERL_LONG_MAX 2147483647L
2228 * define PERL_LONG_MIN (-LONG_MAX - 1)
2229 * define PERL ULONG_MAX 4294967295L
2230 */
2231
2232#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2233# include <limits.h>
760ac839 2234#endif
205f51d8 2235/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2236 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2237
99abf803 2238/*
2239 * Try to figure out max and min values for the integral types. THE CORRECT
2240 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2241 * following hacks are used if neither limits.h or values.h provide them:
2242 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2243 * for types < int: (unsigned TYPE)~(unsigned)0
2244 * The argument to ~ must be unsigned so that later signed->unsigned
2245 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2246 * and it must not be smaller than int because ~ does integral promotion.
2247 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2248 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2249 * The latter is a hack which happens to work on some machines but
2250 * does *not* catch any random system, or things like integer types
2251 * with NaN if that is possible.
2252 *
2253 * All of the types are explicitly cast to prevent accidental loss of
2254 * numeric range, and in the hope that they will be less likely to confuse
2255 * over-eager optimizers.
2256 *
2257 */
27d4fb96 2258
99abf803 2259#define PERL_UCHAR_MIN ((unsigned char)0)
2260
2261#ifdef UCHAR_MAX
2262# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2263#else
99abf803 2264# ifdef MAXUCHAR
2265# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2266# else
99abf803 2267# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2268# endif
2269#endif
d460ef45 2270
99abf803 2271/*
2272 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2273 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2274 * depending on local options. Until Configure detects this (or at least
2275 * detects whether the "signed" keyword is available) the CHAR ranges
2276 * will not be included. UCHAR functions normally.
2277 * - kja
2278 */
27d4fb96 2279
99abf803 2280#define PERL_USHORT_MIN ((unsigned short)0)
2281
2282#ifdef USHORT_MAX
2283# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2284#else
99abf803 2285# ifdef MAXUSHORT
2286# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2287# else
ef2f54b0
CB		 2288# ifdef USHRT_MAX
2289# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2290# else
2291# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2292# endif
27d4fb96 2293# endif
2294#endif
2295
27d4fb96 2296#ifdef SHORT_MAX
99abf803 2297# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2298#else
2299# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2300# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2301# else
ef2f54b0
CB		 2302# ifdef SHRT_MAX
2303# define PERL_SHORT_MAX ((short)SHRT_MAX)
2304# else
2305# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2306# endif
27d4fb96 2307# endif
2308#endif
2309
2310#ifdef SHORT_MIN
99abf803 2311# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2312#else
2313# ifdef MINSHORT
99abf803 2314# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2315# else
ef2f54b0
CB		 2316# ifdef SHRT_MIN
2317# define PERL_SHORT_MIN ((short)SHRT_MIN)
2318# else
2319# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2320# endif
27d4fb96 2321# endif
2322#endif
2323
99abf803 2324#ifdef UINT_MAX
2325# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2326#else
99abf803 2327# ifdef MAXUINT
2328# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2329# else
99abf803 2330# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2331# endif
2332#endif
2333
99abf803 2334#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2335
2336#ifdef INT_MAX
99abf803 2337# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2338#else
2339# ifdef MAXINT /* Often used in <values.h> */
99abf803 2340# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2341# else
99abf803 2342# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2343# endif
2344#endif
2345
2346#ifdef INT_MIN
99abf803 2347# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2348#else
2349# ifdef MININT
99abf803 2350# define PERL_INT_MIN ((int)MININT)
27d4fb96 2351# else
2352# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2353# endif
2354#endif
2355
99abf803 2356#ifdef ULONG_MAX
2357# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2358#else
99abf803 2359# ifdef MAXULONG
2360# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2361# else
99abf803 2362# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2363# endif
2364#endif
2365
99abf803 2366#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2367
760ac839 2368#ifdef LONG_MAX
99abf803 2369# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2370#else
2371# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2372# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2373# else
99abf803 2374# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2375# endif
2376#endif
2377
2378#ifdef LONG_MIN
99abf803 2379# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2380#else
2381# ifdef MINLONG
99abf803 2382# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2383# else
27d4fb96 2384# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2385# endif
2386#endif
2387
d7d93a81 2388#ifdef UV_IS_QUAD
99abf803 2389
99abf803 2390# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2391# define PERL_UQUAD_MIN ((UV)0)
99abf803 2392# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2393# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2394
79072805
LW		 2395#endif
2396
830247a4 2397struct RExC_state_t;
8e11feef 2398struct _reg_trie_data;
880b20b6 2399
ee0007ab 2400typedef MEM_SIZE STRLEN;
450a55e4 2401
598921a7
NC		 2402#ifdef PERL_MAD
2403typedef struct token TOKEN;
2404typedef struct madprop MADPROP;
2405typedef struct nexttoken NEXTTOKE;
2406#endif
79072805
LW		 2407typedef struct op OP;
2408typedef struct cop COP;
2409typedef struct unop UNOP;
2410typedef struct binop BINOP;
2411typedef struct listop LISTOP;
2412typedef struct logop LOGOP;
79072805
LW		 2413typedef struct pmop PMOP;
2414typedef struct svop SVOP;
7934575e 2415typedef struct padop PADOP;
79072805 2416typedef struct pvop PVOP;
79072805
LW		 2417typedef struct loop LOOP;
2418
52db365a 2419typedef struct block_hooks BHK;
1830b3d9 2420typedef struct custom_op XOP;
52db365a 2421
cd1541b2
NC		 2422typedef struct interpreter PerlInterpreter;
2423
d2b3f365
SS		 2424/* Amdahl's <ksync.h> has struct sv */
2425/* SGI's <sys/sema.h> has struct sv */
2426#if defined(UTS) || defined(__sgi)
2427# define STRUCT_SV perl_sv
b8d3c5db
JH		 2428#else
2429# define STRUCT_SV sv
2430#endif
2431typedef struct STRUCT_SV SV;
79072805
LW		 2432typedef struct av AV;
2433typedef struct hv HV;
2434typedef struct cv CV;
d2f13c59 2435typedef struct p5rx REGEXP;
79072805 2436typedef struct gp GP;
0c30d9ec 2437typedef struct gv GV;
8990e307 2438typedef struct io IO;
c09156bb 2439typedef struct context PERL_CONTEXT;
79072805
LW		 2440typedef struct block BLOCK;
2441
2442typedef struct magic MAGIC;
2443typedef struct xpv XPV;
2444typedef struct xpviv XPVIV;
ff68c719 2445typedef struct xpvuv XPVUV;
79072805
LW		 2446typedef struct xpvnv XPVNV;
2447typedef struct xpvmg XPVMG;
2448typedef struct xpvlv XPVLV;
2449typedef struct xpvav XPVAV;
2450typedef struct xpvhv XPVHV;
2451typedef struct xpvgv XPVGV;
2452typedef struct xpvcv XPVCV;
2453typedef struct xpvbm XPVBM;
2454typedef struct xpvfm XPVFM;
8990e307 2455typedef struct xpvio XPVIO;
79072805
LW		 2456typedef struct mgvtbl MGVTBL;
2457typedef union any ANY;
5f7fde29
GS		 2458typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2459typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2460typedef struct clone_params CLONE_PARAMS;
2461
378cc40b 2462#include "handy.h"
a0d0e21e 2463
6b8eaf93 2464#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2465# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2466# define USE_64_BIT_RAWIO /* implicit */
2467# endif
4564133c
JH		 2468#endif
2469
6b8eaf93
JH		 2470/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2471 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2472 * however, because operating systems like to do that themself. */
2473#ifndef FSEEKSIZE
2474# ifdef HAS_FSEEKO
2475# define FSEEKSIZE LSEEKSIZE
2476# else
2477# define FSEEKSIZE LONGSIZE
d460ef45 2478# endif
6b8eaf93
JH		 2479#endif
2480
2481#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2482# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2483# define USE_64_BIT_STDIO /* implicit */
2484# endif
2485#endif
4564133c 2486
09458382 2487#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2488# ifdef HAS_OFF64_T
2489# undef Off_t
2490# define Off_t off64_t
2491# undef LSEEKSIZE
2492# define LSEEKSIZE 8
5ff3f7a4 2493# endif
d9b3e12d
JH		 2494/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2495 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2496 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2497# if defined(USE_OPEN64)
2498# define open open64
5ff3f7a4 2499# endif
d9b3e12d
JH		 2500# if defined(USE_LSEEK64)
2501# define lseek lseek64
6b8eaf93
JH		 2502# else
2503# if defined(USE_LLSEEK)
2504# define lseek llseek
2505# endif
d9b3e12d
JH		 2506# endif
2507# if defined(USE_STAT64)
2508# define stat stat64
2509# endif
2510# if defined(USE_FSTAT64)
2511# define fstat fstat64
2512# endif
2513# if defined(USE_LSTAT64)
2514# define lstat lstat64
2515# endif
2516# if defined(USE_FLOCK64)
2517# define flock flock64
2518# endif
2519# if defined(USE_LOCKF64)
2520# define lockf lockf64
2521# endif
2522# if defined(USE_FCNTL64)
2523# define fcntl fcntl64
2524# endif
2525# if defined(USE_TRUNCATE64)
2526# define truncate truncate64
2527# endif
2528# if defined(USE_FTRUNCATE64)
2529# define ftruncate ftruncate64
2530# endif
2531#endif
2532
2533#ifdef USE_64_BIT_STDIO
2534# ifdef HAS_FPOS64_T
2535# undef Fpos_t
2536# define Fpos_t fpos64_t
2537# endif
2538/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2539 * will trigger defines like the ones below. Some 64-bit environments,
2540 * however, do not. */
2541# if defined(USE_FOPEN64)
2542# define fopen fopen64
2543# endif
2544# if defined(USE_FSEEK64)
6b8eaf93 2545# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2546# endif
2547# if defined(USE_FTELL64)
6b8eaf93 2548# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2549# endif
2550# if defined(USE_FSETPOS64)
2551# define fsetpos fsetpos64
2552# endif
2553# if defined(USE_FGETPOS64)
2554# define fgetpos fgetpos64
2555# endif
2556# if defined(USE_TMPFILE64)
2557# define tmpfile tmpfile64
2558# endif
2559# if defined(USE_FREOPEN64)
2560# define freopen freopen64
5ff3f7a4
GS		 2561# endif
2562#endif
2563
e37778c2 2564#if defined(OS2)
2c2d71f5
JH		 2565# include "iperlsys.h"
2566#endif
2567
6f71a643 2568#if defined(__OPEN_VM)
19848b3f
JH		 2569# include "vmesa/vmesaish.h"
2570# define ISHISH "vmesa"
6f71a643
JH		 2571#endif
2572
748a9306 2573#ifdef DOSISH
19848b3f
JH		 2574# if defined(OS2)
2575# include "os2ish.h"
2576# else
2577# include "dosish.h"
2578# endif
2579# define ISHISH "dos"
2580#endif
2581
2582#if defined(VMS)
748a9306 2583# include "vmsish.h"
96e176bf 2584# include "embed.h"
eb8433b7
NC		 2585# ifndef PERL_MAD
2586# undef op_getmad
b3f24c00 2587# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2588# endif
19848b3f
JH		 2589# define ISHISH "vms"
2590#endif
2591
2592#if defined(PLAN9)
2593# include "./plan9/plan9ish.h"
2594# define ISHISH "plan9"
2595#endif
2596
2597#if defined(MPE)
2598# include "mpeix/mpeixish.h"
2599# define ISHISH "mpeix"
2600#endif
2601
2602#if defined(__VOS__)
196918b0
PG		 2603# ifdef __GNUC__
2604# include "./vos/vosish.h"
2605# else
2606# include "vos/vosish.h"
2607# endif
19848b3f
JH		 2608# define ISHISH "vos"
2609#endif
2610
2611#if defined(EPOC)
2612# include "epocish.h"
2613# define ISHISH "epoc"
2614#endif
2615
9969cdde 2616#ifdef __SYMBIAN32__
27da23d5
JH		 2617# include "symbian/symbianish.h"
2618# include "embed.h"
eb8433b7
NC		 2619# ifndef PERL_MAD
2620# undef op_getmad
b3f24c00 2621# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2622# endif
27da23d5
JH		 2623# define ISHISH "symbian"
2624#endif
2625
19848b3f 2626
df00ff3b
IW		 2627#if defined(__HAIKU__)
2628# include "haiku/haikuish.h"
2629# define ISHISH "haiku"
2630#elif defined(__BEOS__)
efca5cc6
JH		 2631# include "beos/beosish.h"
2632# define ISHISH "beos"
2633#endif
2634
19848b3f
JH		 2635#ifndef ISHISH
2636# include "unixish.h"
2637# define ISHISH "unix"
13b6e58c
JH		 2638#endif
2639
2946a158
JH		 2640/* NSIG logic from Configure --> */
2641/* Strange style to avoid deeply-nested #if/#else/#endif */
2642#ifndef NSIG
2643# ifdef _NSIG
2644# define NSIG (_NSIG)
2645# endif
2646#endif
2647
2648#ifndef NSIG
2649# ifdef SIGMAX
2650# define NSIG (SIGMAX+1)
2651# endif
2652#endif
2653
2654#ifndef NSIG
2655# ifdef SIG_MAX
2656# define NSIG (SIG_MAX+1)
2657# endif
2658#endif
2659
2660#ifndef NSIG
2661# ifdef _SIG_MAX
2662# define NSIG (_SIG_MAX+1)
2663# endif
2664#endif
2665
2666#ifndef NSIG
2667# ifdef MAXSIG
2668# define NSIG (MAXSIG+1)
2669# endif
2670#endif
2671
2672#ifndef NSIG
2673# ifdef MAX_SIG
2674# define NSIG (MAX_SIG+1)
2675# endif
2676#endif
2677
2678#ifndef NSIG
2679# ifdef SIGARRAYSIZE
2680# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2681# endif
2682#endif
2683
2684#ifndef NSIG
2685# ifdef _sys_nsig
2686# define NSIG (_sys_nsig) /* Solaris 2.5 */
2687# endif
2688#endif
2689
2690/* Default to some arbitrary number that's big enough to get most
2691 of the common signals.
2692*/
2693#ifndef NSIG
2694# define NSIG 50
2695#endif
2696/* <-- NSIG logic from Configure */
2697
13b6e58c
JH		 2698#ifndef NO_ENVIRON_ARRAY
2699# define USE_ENVIRON_ARRAY
2700#endif
32f822de 2701
c77b533b
JH		 2702/*
2703 * initialise to avoid floating-point exceptions from overflow, etc
2704 */
2705#ifndef PERL_FPU_INIT
2706# ifdef HAS_FPSETMASK
2707# if HAS_FLOATINGPOINT_H
2708# include <floatingpoint.h>
2709# endif
ad3a8c67
NC		 2710/* Some operating systems have this as a macro, which in turn expands to a comma
2711 expression, and the last sub-expression is something that gets calculated,
2712 and then they have the gall to warn that a value computed is not used. Hence
2713 cast to void. */
2714# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2715# else
2f42fcb0 2716# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2717# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2718# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2719# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2720# else
2721# define PERL_FPU_INIT
2f42fcb0 2722
7014c407 2723# endif
c77b533b
JH		 2724# endif
2725#endif
b35112e7
CS		 2726#ifndef PERL_FPU_PRE_EXEC
2727# define PERL_FPU_PRE_EXEC {
2728# define PERL_FPU_POST_EXEC }
2729#endif
c77b533b 2730
cbec8ebe
DM		 2731#ifndef PERL_SYS_INIT3_BODY
2732# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2733#endif
2734
eb533572
DM		 2735/*
2736=for apidoc Am|void|PERL_SYS_INIT|int argc|char** argv
2737Provides system-specific tune up of the C runtime environment necessary to
2738run Perl interpreters. This should be called only once, before creating
2739any Perl interpreters.
2740
2741=for apidoc Am|void|PERL_SYS_INIT3|int argc|char** argv|char** env
2742Provides system-specific tune up of the C runtime environment necessary to
2743run Perl interpreters. This should be called only once, before creating
2744any Perl interpreters.
2745
2746=for apidoc Am|void|PERL_SYS_TERM|
2747Provides system-specific clean up of the C runtime environment after
2748running Perl interpreters. This should be called only once, after
2749freeing any remaining Perl interpreters.
2750
2751=cut
2752 */
2753
cbec8ebe
DM		 2754#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2755#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2756#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2757
be708cc0
JH		 2758#ifndef PERL_WRITE_MSG_TO_CONSOLE
2759# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2760#endif
2761
0f31cffe
GS		 2762#ifndef MAXPATHLEN
2763# ifdef PATH_MAX
b990c8b2
JH		 2764# ifdef _POSIX_PATH_MAX
2765# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2766/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2767 * included the null byte or not. Later amendments of POSIX,
2768 * XPG4, the Austin Group, and the Single UNIX Specification
2769 * all explicitly include the null byte in the PATH_MAX.
2770 * Ditto for _POSIX_PATH_MAX. */
2771# define MAXPATHLEN PATH_MAX
b990c8b2 2772# else
09448d78 2773# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2774# endif
2775# else
2776# define MAXPATHLEN (PATH_MAX+1)
2777# endif
0f31cffe 2778# else
b990c8b2 2779# ifdef _POSIX_PATH_MAX
09448d78 2780# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2781# else
2782# define MAXPATHLEN 1024 /* Err on the large side. */
2783# endif
0f31cffe
GS		 2784# endif
2785#endif
2786
c80263a8
SH		 2787/* In case Configure was not used (we are using a "canned config"
2788 * such as Win32, or a cross-compilation setup, for example) try going
2789 * by the gcc major and minor versions. One useful URL is
2790 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2791 * but contrary to this information warn_unused_result seems
2792 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2793 * Also, when building extensions with an installed perl, this allows
2794 * the user to upgrade gcc and get the right attributes, rather than
2795 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2796 * Set these up now otherwise we get confused when some of the <*thread.h>
2797 * includes below indirectly pull in <perlio.h> (which needs to know if we
2798 * have HASATTRIBUTE_FORMAT).
2799 */
2800
4d7c7898 2801#ifndef PERL_MICRO
fc2007d4 2802#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2803# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2804# define HASATTRIBUTE_DEPRECATED
2805# endif
c80263a8
SH		 2806# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2807# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2808# if defined __MINGW32__
2809# define PRINTF_FORMAT_NULL_OK
2810# endif
c80263a8
SH		 2811# endif
2812# if __GNUC__ >= 3 /* 3.0 -> */
2813# define HASATTRIBUTE_MALLOC
2814# endif
2815# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2816# define HASATTRIBUTE_NONNULL
2817# endif
2818# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2819# define HASATTRIBUTE_NORETURN
2820# endif
2821# if __GNUC__ >= 3 /* gcc 3.0 -> */
2822# define HASATTRIBUTE_PURE
2823# endif
42bf5550 2824# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2825# define HASATTRIBUTE_UNUSED
2826# endif
d324fe49
AD		 2827# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2828# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2829# endif
c80263a8
SH		 2830# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2831# define HASATTRIBUTE_WARN_UNUSED_RESULT
2832# endif
2833#endif
00f254e2 2834#endif /* #ifndef PERL_MICRO */
c80263a8 2835
3db8f154 2836/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2837 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2838 * this results in many functions being undeclared which bothers C++
2839 * May make sense to have threads after "*ish.h" anyway
2840 */
2841
3db8f154 2842#if defined(USE_ITHREADS)
2986a63f
JH		 2843# ifdef NETWARE
2844# include <nw5thread.h>
2845# else
32f822de
GS		 2846# ifdef FAKE_THREADS
2847# include "fakethr.h"
2848# else
2849# ifdef WIN32
2850# include <win32thread.h>
2851# else
dd96f567
IZ		 2852# ifdef OS2
2853# include "os2thread.h"
2854# else
7f3d1cf1 2855# ifdef I_MACH_CTHREADS
bdd66968 2856# include <mach/cthreads.h>
8f1f23e8 2857# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2858# define MUTEX_INIT_CALLS_MALLOC
2859# endif
7f3d1cf1
BH		 2860typedef cthread_t perl_os_thread;
2861typedef mutex_t perl_mutex;
2862typedef condition_t perl_cond;
2863typedef void * perl_key;
2864# else /* Posix threads */
1f5ae88c
JH		 2865# ifdef I_PTHREAD
2866# include <pthread.h>
2867# endif
7f3d1cf1
BH		 2868typedef pthread_t perl_os_thread;
2869typedef pthread_mutex_t perl_mutex;
2870typedef pthread_cond_t perl_cond;
2871typedef pthread_key_t perl_key;
2872# endif /* I_MACH_CTHREADS */
dd96f567 2873# endif /* OS2 */
32f822de
GS		 2874# endif /* WIN32 */
2875# endif /* FAKE_THREADS */
2986a63f 2876#endif /* NETWARE */
3db8f154 2877#endif /* USE_ITHREADS */
c5be433b 2878
66a93824 2879#if defined(WIN32)
1feb2720 2880# include "win32.h"
c5be433b
GS		 2881#endif
2882
2986a63f
JH		 2883#ifdef NETWARE
2884# include "netware.h"
2885#endif
2886
e5218da5 2887#define STATUS_UNIX PL_statusvalue
68dc0745 2888#ifdef VMS
6b88bc9c 2889# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2890/*
2891 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2892 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2893 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2894 * be updated also.
2895 */
2896# include <stsdef.h>
2897# include <ssdef.h>
2898/* Presume this because if VMS changes it, it will require a new
2899 * set of APIs for waiting on children for binary compatibility.
2900 */
2901# define child_offset_bits (8)
2902# ifndef C_FAC_POSIX
2903# define C_FAC_POSIX 0x35A000
2904# endif
2905
2906/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2907 * platform from the existing UNIX or Native status values.
2908 */
2909
37038d91 2910# define STATUS_EXIT \
7a7fd8e0
JM		 2911 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2912 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2913
7a7fd8e0 2914
fb38d079
JM		 2915/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2916 * exit code and shifts the UNIX value over the correct number of bits to
2917 * be a child status. Usually the number of bits is 8, but that could be
2918 * platform dependent. The NATIVE status code is presumed to have either
2919 * from a child process.
7a7fd8e0
JM		 2920 */
2921
fb38d079
JM		 2922/* This is complicated. The child processes return a true native VMS
2923 status which must be saved. But there is an assumption in Perl that
2924 the UNIX child status has some relationship to errno values, so
00f254e2 2925 Perl tries to translate it to text in some of the tests.
fb38d079
JM		 2926 In order to get the string translation correct, for the error, errno
2927 must be EVMSERR, but that generates a different text message
2928 than what the test programs are expecting. So an errno value must
2929 be derived from the native status value when an error occurs.
2930 That will hide the true native status message. With this version of
2931 perl, the true native child status can always be retrieved so that
2932 is not a problem. But in this case, Pl_statusvalue and errno may
2933 have different values in them.
2934 */
7a7fd8e0 2935
fb38d079 2936# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2937 STMT_START { \
2fbb330f
JM		 2938 I32 evalue = (I32)n; \
2939 if (evalue == EVMSERR) { \
2940 PL_statusvalue_vms = vaxc$errno; \
2941 PL_statusvalue = evalue; \
7a7fd8e0 2942 } else { \
2fbb330f 2943 PL_statusvalue_vms = evalue; \
fb38d079 2944 if (evalue == -1) { \
3280af22 2945 PL_statusvalue = -1; \
7a7fd8e0
JM		 2946 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2947 } else \
fb38d079 2948 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2949 set_vaxc_errno(evalue); \
fb38d079
JM		 2950 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2951 set_errno(EVMSERR); \
2952 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2953 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2954 } \
68dc0745 2955 } STMT_END
7a7fd8e0 2956
68dc0745 2957# ifdef VMSISH_STATUS
e5218da5 2958# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2959# else
e5218da5 2960# define STATUS_CURRENT STATUS_UNIX
68dc0745 2961# endif
7a7fd8e0
JM		 2962
2963 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2964 * the NATIVE status to an equivalent value. Can not be used to translate
2965 * exit code values as exit code values are not guaranteed to have any
2966 * relationship at all to errno values.
2967 * This is used when Perl is forcing errno to have a specific value.
2968 */
e5218da5 2969# define STATUS_UNIX_SET(n) \
68dc0745 2970 STMT_START { \
7a7fd8e0 2971 I32 evalue = (I32)n; \
0968cdad 2972 PL_statusvalue = evalue; \
3280af22 2973 if (PL_statusvalue != -1) { \
0968cdad
JM		 2974 if (PL_statusvalue != EVMSERR) { \
2975 PL_statusvalue &= 0xFFFF; \
2976 if (MY_POSIX_EXIT) \
2977 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2978 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2979 } \
2980 else { \
2981 PL_statusvalue_vms = vaxc$errno; \
2982 } \
68dc0745 2983 } \
0968cdad
JM		 2984 else PL_statusvalue_vms = SS$_ABORT; \
2985 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2986 } STMT_END
2987
2988 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 2989 * the NATIVE error status based on it.
2990 *
2991 * When in the default mode to comply with the Perl VMS documentation,
2992 * 0 is a success and any other code sets the NATIVE status to a failure
2993 * code of SS$_ABORT.
fb38d079
JM		 2994 *
2995 * In the new POSIX EXIT mode, native status will be set so that the
2996 * actual exit code will can be retrieved by the calling program or
2997 * shell.
2998 *
2999 * If the exit code is not clearly a UNIX parent or child exit status,
3000 * it will be passed through as a VMS status.
7a7fd8e0
JM		 3001 */
3002
fb38d079 3003# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 3004 STMT_START { \
3005 I32 evalue = (I32)n; \
3006 PL_statusvalue = evalue; \
e08e1e1d
JM		 3007 if (MY_POSIX_EXIT) { \
3008 if (evalue <= 0xFF00) { \
3009 if (evalue > 0xFF) \
3010 evalue = (evalue >> child_offset_bits) & 0xFF; \
3011 PL_statusvalue_vms = \
3012 (C_FAC_POSIX | (evalue << 3 ) | \
3013 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
3014 } else /* forgive them Perl, for they have sinned */ \
3015 PL_statusvalue_vms = evalue; \
3016 } else { \
3017 if (evalue == 0) \
3018 PL_statusvalue_vms = SS$_NORMAL; \
3019 else if (evalue <= 0xFF00) \
3020 PL_statusvalue_vms = SS$_ABORT; \
3021 else { /* forgive them Perl, for they have sinned */ \
3022 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3023 else PL_statusvalue_vms = vaxc$errno; \
3024 /* And obviously used a VMS status value instead of UNIX */ \
3025 PL_statusvalue = EVMSERR; \
3026 } \
3027 set_vaxc_errno(PL_statusvalue_vms); \
3028 } \
68dc0745 3029 } STMT_END
fb38d079 3030
e08e1e1d 3031
6ac6a52b
JM		 3032 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3033 * and sets the NATIVE error status based on it. This special case
3034 * is needed to maintain compatibility with past VMS behavior.
3035 *
3036 * In the default mode on VMS, this number is passed through as
3037 * both the NATIVE and UNIX status. Which makes it different
3038 * that the STATUS_UNIX_EXIT_SET.
3039 *
3040 * In the new POSIX EXIT mode, native status will be set so that the
3041 * actual exit code will can be retrieved by the calling program or
3042 * shell.
3043 *
1a3aec58
JM		 3044 * A POSIX exit code is from 0 to 255. If the exit code is higher
3045 * than this, it needs to be assumed that it is a VMS exit code and
3046 * passed through.
6ac6a52b
JM		 3047 */
3048
3049# define STATUS_EXIT_SET(n) \
3050 STMT_START { \
3051 I32 evalue = (I32)n; \
3052 PL_statusvalue = evalue; \
3053 if (MY_POSIX_EXIT) \
1a3aec58
JM		 3054 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3055 PL_statusvalue_vms = \
3056 (C_FAC_POSIX | (evalue << 3 ) | \
3057 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 3058 else \
3059 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3060 set_vaxc_errno(PL_statusvalue_vms); \
3061 } STMT_END
3062
fb38d079
JM		 3063
3064 /* This macro forces a success status */
7a7fd8e0
JM		 3065# define STATUS_ALL_SUCCESS \
3066 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 3067
3068 /* This macro forces a failure status */
7a7fd8e0
JM		 3069# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3070 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3071 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3072
68dc0745 3073#else
e5218da5 3074# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3075# if defined(WCOREDUMP)
37038d91 3076# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3077 STMT_START { \
3078 PL_statusvalue_posix = (n); \
3079 if (PL_statusvalue_posix == -1) \
3080 PL_statusvalue = -1; \
3081 else { \
3082 PL_statusvalue = \
3083 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3084 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3085 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3086 } \
3087 } STMT_END
3088# elif defined(WIFEXITED)
37038d91 3089# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3090 STMT_START { \
3091 PL_statusvalue_posix = (n); \
3092 if (PL_statusvalue_posix == -1) \
3093 PL_statusvalue = -1; \
3094 else { \
3095 PL_statusvalue = \
3096 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3097 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3098 } \
3099 } STMT_END
3100# else
37038d91 3101# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3102 STMT_START { \
3103 PL_statusvalue_posix = (n); \
3104 if (PL_statusvalue_posix == -1) \
3105 PL_statusvalue = -1; \
3106 else { \
3107 PL_statusvalue = \
3108 PL_statusvalue_posix & 0xFFFF; \
3109 } \
3110 } STMT_END
3111# endif
3112# define STATUS_UNIX_SET(n) \
68dc0745 3113 STMT_START { \
3280af22
NIS		 3114 PL_statusvalue = (n); \
3115 if (PL_statusvalue != -1) \
3116 PL_statusvalue &= 0xFFFF; \
68dc0745 3117 } STMT_END
7a7fd8e0 3118# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3119# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3120# define STATUS_CURRENT STATUS_UNIX
37038d91 3121# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3122# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3123# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3124#endif
3125
cc3604b1
GS		 3126/* flags in PL_exit_flags for nature of exit() */
3127#define PERL_EXIT_EXPECTED 0x01
31d77e54 3128#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3129
b79b76e0 3130#ifndef PERL_CORE
a7cb1f99 3131/* format to use for version numbers in file/directory names */
273cf8d1 3132/* XXX move to Configure? */
b79b76e0
NC		 3133/* This was only ever used for the current version, and that can be done at
3134 compile time, as PERL_FS_VERSION, so should we just delete it? */
3135# ifndef PERL_FS_VER_FMT
3136# define PERL_FS_VER_FMT "%d.%d.%d"
3137# endif
3138#endif
3139
3140#ifndef PERL_FS_VERSION
3141# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS		 3142#endif
3143
45bc9206 3144/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3145 * performance issue, so we allow people to disable it. Also, if
3146 * we are using stdio, there are broken implementations of fflush(NULL)
3147 * out there, Solaris being the most prominent.
45bc9206
GS		 3148 */
3149#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3150# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3151# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3152# else
3153# ifdef FFLUSH_ALL
3154# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3155# else
c5be433b 3156# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3157# endif
66fe083f 3158# endif
45bc9206
GS		 3159#endif
3160
7766f137
GS		 3161#ifndef PERL_WAIT_FOR_CHILDREN
3162# define PERL_WAIT_FOR_CHILDREN NOOP
3163#endif
3164
ba869deb 3165/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3166#ifndef PERL_SET_INTERP
3167# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3168#endif
3169
3170#ifndef PERL_GET_INTERP
3171# define PERL_GET_INTERP (PL_curinterp)
3172#endif
3173
54aff467 3174#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3175# ifdef MULTIPLICITY
ba869deb 3176# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3177# endif
ba869deb
GS		 3178# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3179#endif
3180
00f254e2 3181/*
8896765a 3182 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3183 All that is required is that the perl source does not
00f254e2
KW		 3184 use "%-p" or "%-<number>p" or "%<number>p" formats.
3185 These formats will still work in perl code.
486ec47a 3186 See comments in sv.c for further details.
8896765a 3187
8896765a 3188 Robin Barker 2005-07-14
f46d31f2 3189
00f254e2 3190 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3191*/
8896765a
RB		 3192
3193#ifndef SVf_
63ce7bf0 3194# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3195#endif
3196
8896765a 3197#ifndef SVf
104abab4 3198# define SVf "-p"
d2560b70
RB		 3199#endif
3200
014ead4b 3201#ifndef SVf32
8896765a 3202# define SVf32 SVf_(32)
014ead4b
RB		 3203#endif
3204
3205#ifndef SVf256
8896765a
RB		 3206# define SVf256 SVf_(256)
3207#endif
3208
be2597df
MHM		 3209#define SVfARG(p) ((void*)(p))
3210
f46d31f2 3211#ifdef PERL_CORE
486ec47a 3212/* not used; but needed for backward compatibility with XS code? - RMB */
f46d31f2
RB		 3213# undef VDf
3214#else
3215# ifndef VDf
8896765a
RB		 3216# define VDf "vd"
3217# endif
014ead4b 3218#endif
170cd9e9
NC		 3219
3220#ifdef PERL_CORE
486ec47a 3221/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB		 3222# undef UVf
3223#else
170cd9e9
NC		 3224# ifndef UVf
3225# define UVf UVuf
3226# endif
d2560b70
RB		 3227#endif
3228
fcdf39cf
RGS		 3229#ifdef HASATTRIBUTE_DEPRECATED
3230# define __attribute__deprecated__ __attribute__((deprecated))
3231#endif
0dbb1585
AL		 3232#ifdef HASATTRIBUTE_FORMAT
3233# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3234#endif
3235#ifdef HASATTRIBUTE_MALLOC
77785eea 3236# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3237#endif
0dbb1585 3238#ifdef HASATTRIBUTE_NONNULL
abb2c242 3239# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3240#endif
0dbb1585 3241#ifdef HASATTRIBUTE_NORETURN
abb2c242 3242# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3243#endif
0dbb1585 3244#ifdef HASATTRIBUTE_PURE
abb2c242 3245# define __attribute__pure__ __attribute__((pure))
f22be1b8 3246#endif
0dbb1585
AL		 3247#ifdef HASATTRIBUTE_UNUSED
3248# define __attribute__unused__ __attribute__((unused))
3249#endif
3250#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3251# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3252#endif
3253
0dbb1585 3254/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3255#ifndef __attribute__deprecated__
3256# define __attribute__deprecated__
3257#endif
0dbb1585
AL		 3258#ifndef __attribute__format__
3259# define __attribute__format__(x,y,z)
3260#endif
f22be1b8 3261#ifndef __attribute__malloc__
abb2c242 3262# define __attribute__malloc__
f22be1b8
JH		 3263#endif
3264#ifndef __attribute__nonnull__
abb2c242 3265# define __attribute__nonnull__(a)
f22be1b8
JH		 3266#endif
3267#ifndef __attribute__noreturn__
abb2c242 3268# define __attribute__noreturn__
f22be1b8
JH		 3269#endif
3270#ifndef __attribute__pure__
abb2c242 3271# define __attribute__pure__
f22be1b8 3272#endif
0dbb1585
AL		 3273#ifndef __attribute__unused__
3274# define __attribute__unused__
3275#endif
f22be1b8 3276#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3277# define __attribute__warn_unused_result__
3278#endif
3279
0dbb1585
AL		 3280/* For functions that are marked as __attribute__noreturn__, it's not
3281 appropriate to call return. In either case, include the lint directive.
3282 */
3283#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3284# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3285#else
b37c2d43 3286# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH		 3287#endif
3288
cdfeb707
RB		 3289/* Some OS warn on NULL format to printf */
3290#ifdef PRINTF_FORMAT_NULL_OK
3291# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3292#else
00f254e2 3293# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB		 3294#endif
3295
635aebb7 3296#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3297# define EXPECT(expr,val) __builtin_expect(expr,val)
3298#else
3299# define EXPECT(expr,val) (expr)
3300#endif
3301#define LIKELY(cond) EXPECT(cond,1)
3302#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3303#ifdef HAS_BUILTIN_CHOOSE_EXPR
3304/* placeholder */
3305#endif
b37c2d43 3306
3fc1aec6 3307/* Some unistd.h's give a prototype for pause() even though
3308 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3309 below to be rejected by the compiler. Sigh.
3fc1aec6 3310*/
3311#ifdef HAS_PAUSE
3312#define Pause pause
3313#else
3314#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3315#endif
3316
3317#ifndef IOCPARM_LEN
3318# ifdef IOCPARM_MASK
61f1c44b 3319 /* on BSDish systems we're safe */
748a9306
LW		 3320# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3321# else
61f1c44b 3322# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3323 /* on Linux systems we're safe; except when we're not [perl #38223] */
3324# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3325# else
748a9306 3326 /* otherwise guess at what's safe */
61f1c44b
JVD		 3327# define IOCPARM_LEN(x) 256
3328# endif
748a9306 3329# endif
a0d0e21e
LW		 3330#endif
3331
1761cee5 3332#if defined(__CYGWIN__)
521e0776
GS		 3333/* USEMYBINMODE
3334 * This symbol, if defined, indicates that the program should
16fe6d59 3335 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3336 * that a file is in "binary" mode -- that is, that no translation
3337 * of bytes occurs on read or write operations.
3338 */
36894f0b 3339# define USEMYBINMODE /**/
77a40698 3340# include <io.h> /* for setmode() prototype */
16fe6d59 3341# define my_binmode(fp, iotype, mode) \
77a40698 3342 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3343#endif
3344
88d10794
JH		 3345#ifdef __CYGWIN__
3346void init_os_extras(void);
3347#endif
3348
cea2e8a9
GS		 3349#ifdef UNION_ANY_DEFINITION
3350UNION_ANY_DEFINITION;
3351#else
3352union any {
3353 void* any_ptr;
3354 I32 any_i32;
3355 IV any_iv;
c6bf6a65 3356 UV any_uv;
cea2e8a9 3357 long any_long;
9febdf04 3358 bool any_bool;
c76ac1ee 3359 void (*any_dptr) (void*);
acfe0abc 3360 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3361};
3362#endif
3363
acfe0abc 3364typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3365
3366#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3367#define FILTER_DATA(idx) \
3368 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3369#define FILTER_ISREADER(idx) \
3370 (PL_parser && PL_parser->rsfp_filters \
3371 && idx >= AvFILLp(PL_parser->rsfp_filters))
3372#define PERL_FILTER_EXISTS(i) \
3373 (PL_parser && PL_parser->rsfp_filters \
3374 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3375
c5078cac
JH		 3376#if defined(_AIX) && !defined(_AIX43)
3377#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3378/* We cannot include <crypt.h> to get the struct crypt_data
3379 * because of setkey prototype problems when threading */
3380typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3381 /* From OSF, Not needed in AIX
3382 char C[28], D[28];
3383 */
3384 char E[48];
3385 char KS[16][48];
3386 char block[66];
3387 char iobuf[16];
3388} CRYPTD;
3389#endif /* threading */
3390#endif /* AIX */
3391
e37778c2 3392#if !defined(OS2)
2c2d71f5
JH		 3393# include "iperlsys.h"
3394#endif
504f80c1 3395
9c12f1e5 3396#ifdef __LIBCATAMOUNT__
00f254e2 3397#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS		 3398#undef HAS_GROUP
3399#define FAKE_BIT_BUCKET
3400#endif
3401
d10dc2ae
JH		 3402/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3403 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3404 * defined by Configure, despite their names being similar to the
3405 * other defines like USE_ITHREADS. Configure in fact knows nothing
3406 * about the randomised hashes. Therefore to enable/disable the hash
3407 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3408#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3409# define USE_HASH_SEED
504f80c1
JH		 3410#endif
3411
598921a7
NC		 3412/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3413 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3414 * it's not really needed.
3415 */
3416#if defined(WIN32)
3417# define YYTOKENTYPE
3418#endif
3419#include "perly.h"
3420
3421#ifdef PERL_MAD
3422struct nexttoken {
3423 YYSTYPE next_val; /* value of next token, if any */
3424 I32 next_type; /* type of next token */
3425 MADPROP *next_mad; /* everything else about that token */
3426};
3427#endif
3428
654eccd5
JD		 3429/* macros to define bit-fields in structs. */
3430#ifndef PERL_BITFIELD8
3431# define PERL_BITFIELD8 unsigned
3432#endif
3433#ifndef PERL_BITFIELD16
3434# define PERL_BITFIELD16 unsigned
3435#endif
3436#ifndef PERL_BITFIELD32
3437# define PERL_BITFIELD32 unsigned
3438#endif
3439
79072805 3440#include "sv.h"
288b8c02 3441#include "regexp.h"
378cc40b 3442#include "util.h"
8d063cd8 3443#include "form.h"
79072805 3444#include "gv.h"
dd2155a4 3445#include "pad.h"
79072805 3446#include "cv.h"
abdd5c84 3447#include "opnames.h"
79072805 3448#include "op.h"
b3ca2e83 3449#include "hv.h"
79072805
LW		 3450#include "cop.h"
3451#include "av.h"
79072805
LW		 3452#include "mg.h"
3453#include "scope.h"
4438c4b7 3454#include "warnings.h"
a0ed51b3 3455#include "utf8.h"
8d063cd8 3456
0d7d409d
DM		 3457/* these would be in doio.h if there was such a file */
3458#define my_stat() my_stat_flags(SV_GMAGIC)
3459#define my_lstat() my_lstat_flags(SV_GMAGIC)
3460
20f4945e 3461/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM		 3462#undef _XPV_HEAD
3463#undef _XPVMG_HEAD
3464#undef _XPVCV_COMMON
7fae4e64
GS		 3465
3466typedef struct _sublex_info SUBLEXINFO;
3467struct _sublex_info {
651b5b28
NC		 3468 U8 super_state; /* lexer state to save */
3469 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3470 OP *sub_op; /* "lex_op" to use */
f06b5848
DM		 3471 char *super_bufptr; /* PL_parser->bufptr that was */
3472 char *super_bufend; /* PL_parser->bufend that was */
7fae4e64
GS		 3473};
3474
199e78b7
DM		 3475#include "parser.h"
3476
455ece5e 3477typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3478
2c2d71f5 3479struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3480struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3481
5f7fde29
GS		 3482struct ptr_tbl_ent {
3483 struct ptr_tbl_ent* next;
53c1dcc0 3484 const void* oldval;
5f7fde29 3485 void* newval;
d18c6117
GS		 3486};
3487
5f7fde29
GS		 3488struct ptr_tbl {
3489 struct ptr_tbl_ent** tbl_ary;
3490 UV tbl_max;
3491 UV tbl_items;
db93c0c4
NC		 3492 struct ptr_tbl_arena *tbl_arena;
3493 struct ptr_tbl_ent *tbl_arena_next;
3494 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS		 3495};
3496
450a55e4 3497#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3498# define I286
3499#endif
3500
fe14fcc3
LW		 3501#if defined(htonl) && !defined(HAS_HTONL)
3502#define HAS_HTONL
ae986130 3503#endif
fe14fcc3
LW		 3504#if defined(htons) && !defined(HAS_HTONS)
3505#define HAS_HTONS
ae986130 3506#endif
fe14fcc3
LW		 3507#if defined(ntohl) && !defined(HAS_NTOHL)
3508#define HAS_NTOHL
ae986130 3509#endif
fe14fcc3
LW		 3510#if defined(ntohs) && !defined(HAS_NTOHS)
3511#define HAS_NTOHS
ae986130 3512#endif
fe14fcc3 3513#ifndef HAS_HTONL
d9d8d8de 3514#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3515#define HAS_HTONS
3516#define HAS_HTONL
3517#define HAS_NTOHS
3518#define HAS_NTOHL
a687059c
LW		 3519#define MYSWAP
3520#define htons my_swap
3521#define htonl my_htonl
3522#define ntohs my_swap
3523#define ntohl my_ntohl
3524#endif
3525#else
d9d8d8de 3526#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3527#undef HAS_HTONS
3528#undef HAS_HTONL
3529#undef HAS_NTOHS
3530#undef HAS_NTOHL
a687059c
LW		 3531#endif
3532#endif
3533
988174c1
LW		 3534/*
3535 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3536 * -DWS
3537 */
3538#if BYTEORDER != 0x1234
3539# define HAS_VTOHL
3540# define HAS_VTOHS
3541# define HAS_HTOVL
3542# define HAS_HTOVS
c67712b2 3543# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3544# define vtohl(x) ((((x)&0xFF)<<24) \
3545 +(((x)>>24)&0xFF) \
3546 +(((x)&0x0000FF00)<<8) \
3547 +(((x)&0x00FF0000)>>8) )
3548# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3549# define htovl(x) vtohl(x)
3550# define htovs(x) vtohs(x)
3551# endif
3552 /* otherwise default to functions in util.c */
2a8c3029 3553#ifndef htovs
c623ac67
GS		 3554short htovs(short n);
3555short vtohs(short n);
3556long htovl(long n);
3557long vtohl(long n);
988174c1 3558#endif
2a8c3029 3559#endif
988174c1 3560
3bb7c1b4
JH		 3561/* *MAX Plus 1. A floating point value.
3562 Hopefully expressed in a way that dodgy floating point can't mess up.
3563 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3564 is added to it
3565 May find that some broken compiler will want the value cast to I32.
3566 [after the shift, as signed >> may not be as secure as unsigned >>]
3567*/
3568#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3569#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3570/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3571 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3572 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3573*/
3574#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3575
3bb7c1b4
JH		 3576#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3577#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3578#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3579
3580/* This may look like unnecessary jumping through hoops, but converting
3581 out of range floating point values to integers *is* undefined behaviour,
3582 and it is starting to bite.
3583*/
3584#ifndef CAST_INLINE
65202027 3585#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3586#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3587#define I_V(what) (cast_iv((NV)(what)))
3588#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3589#else
3590#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3591 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3592 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3593#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3594 : ((n) < U32_MAX_P1 ? (U32) (n) \
3595 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3596#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3597 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3598 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3599#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3600 : ((n) < UV_MAX_P1 ? (UV) (n) \
3601 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3602#endif
3603
3604#define U_S(what) ((U16)U_32(what))
3605#define U_I(what) ((unsigned int)U_32(what))
3606#define U_L(what) U_32(what)
ed6116ce 3607
ed140128
AD		 3608#ifdef HAS_SIGNBIT
3609# define Perl_signbit signbit
3610#endif
3611
2d4389e4
JH		 3612/* These do not care about the fractional part, only about the range. */
3613#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3614#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3615
25da4f38
IZ		 3616/* Used with UV/IV arguments: */
3617 /* XXXX: need to speed it up */
3618#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3619#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3620
352d5a3a
LW		 3621#ifndef MAXSYSFD
3622# define MAXSYSFD 2
3623#endif
ee0007ab 3624
79072805 3625#ifndef __cplusplus
27da23d5 3626#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3627Uid_t getuid (void);
3628Uid_t geteuid (void);
3629Gid_t getgid (void);
3630Gid_t getegid (void);
79072805 3631#endif
e1caacb4 3632#endif
8d063cd8 3633
0c30d9ec 3634#ifndef Perl_debug_log
bf49b057
GS		 3635# define Perl_debug_log PerlIO_stderr()
3636#endif
3637
3638#ifndef Perl_error_log
3639# define Perl_error_log (PL_stderrgv \
6b78add2 3640 && isGV(PL_stderrgv) \
01bb7c6d 3641 && GvIOp(PL_stderrgv) \
42de951c 3642 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3643 ? IoOFP(GvIOp(PL_stderrgv)) \
3644 : PerlIO_stderr())
0c30d9ec 3645#endif
3967c732 3646
aea4f609
DM		 3647
3648#define DEBUG_p_FLAG 0x00000001 /* 1 */
3649#define DEBUG_s_FLAG 0x00000002 /* 2 */
3650#define DEBUG_l_FLAG 0x00000004 /* 4 */
3651#define DEBUG_t_FLAG 0x00000008 /* 8 */
3652#define DEBUG_o_FLAG 0x00000010 /* 16 */
3653#define DEBUG_c_FLAG 0x00000020 /* 32 */
3654#define DEBUG_P_FLAG 0x00000040 /* 64 */
3655#define DEBUG_m_FLAG 0x00000080 /* 128 */
3656#define DEBUG_f_FLAG 0x00000100 /* 256 */
3657#define DEBUG_r_FLAG 0x00000200 /* 512 */
3658#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3659#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3660/* U is reserved for Unofficial, exploratory hacking */
3661#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3662#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3663#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3664#define DEBUG_D_FLAG 0x00008000 /* 32768 */
d2c25739 3665/* 0x00010000 is unused, used to be S */
aea4f609 3666#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3667#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3668#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3669#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3670#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3671#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3672#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 3673#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3674#define DEBUG_B_FLAG 0x02000000 /*33554432*/
3675#define DEBUG_MASK 0x03FEEFFF /* mask of all the standard flags */
aea4f609
DM		 3676
3677#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3678#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3679 that something was done? */
aea4f609 3680
bd16a5f0
IZ		 3681# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3682# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3683# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3684# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3685# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3686# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3687# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3688# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3689# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3690# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3691# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3692# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3693# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3694# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3695# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3696# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
bd16a5f0
IZ		 3697# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3698# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3699# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3700# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3701# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3702# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3703# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3704# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3705# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3706# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3707# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3708# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3709
3967c732 3710#ifdef DEBUGGING
aea4f609 3711
bd16a5f0
IZ		 3712# define DEBUG_p_TEST DEBUG_p_TEST_
3713# define DEBUG_s_TEST DEBUG_s_TEST_
3714# define DEBUG_l_TEST DEBUG_l_TEST_
3715# define DEBUG_t_TEST DEBUG_t_TEST_
3716# define DEBUG_o_TEST DEBUG_o_TEST_
3717# define DEBUG_c_TEST DEBUG_c_TEST_
3718# define DEBUG_P_TEST DEBUG_P_TEST_
3719# define DEBUG_m_TEST DEBUG_m_TEST_
3720# define DEBUG_f_TEST DEBUG_f_TEST_
3721# define DEBUG_r_TEST DEBUG_r_TEST_
3722# define DEBUG_x_TEST DEBUG_x_TEST_
3723# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3724# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3725# define DEBUG_H_TEST DEBUG_H_TEST_
3726# define DEBUG_X_TEST DEBUG_X_TEST_
3727# define DEBUG_D_TEST DEBUG_D_TEST_
bd16a5f0
IZ		 3728# define DEBUG_T_TEST DEBUG_T_TEST_
3729# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3730# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3731# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3732# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3733# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3734# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3735# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3736# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC		 3737# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3738# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3739# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3740
488b0c7a
JH		 3741# define PERL_DEB(a) a
3742# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3743# define DEBUG_p(a) if (DEBUG_p_TEST) a
3744# define DEBUG_s(a) if (DEBUG_s_TEST) a
3745# define DEBUG_l(a) if (DEBUG_l_TEST) a
3746# define DEBUG_t(a) if (DEBUG_t_TEST) a
3747# define DEBUG_o(a) if (DEBUG_o_TEST) a
3748# define DEBUG_c(a) if (DEBUG_c_TEST) a
3749# define DEBUG_P(a) if (DEBUG_P_TEST) a
3750
969058bb
VK		 3751 /* Temporarily turn off memory debugging in case the a
3752 * does memory allocation, either directly or indirectly. */
acfe0abc 3753# define DEBUG_m(a) \
0b250b9e 3754 STMT_START { \
aea4f609 3755 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3756 } STMT_END
aea4f609 3757
5f80b19c
AMS		 3758# define DEBUG__(t, a) \
3759 STMT_START { \
3760 if (t) STMT_START {a;} STMT_END; \
3761 } STMT_END
3762
3763# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3764#ifndef PERL_EXT_RE_BUILD
5f80b19c 3765# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3766#else
3767# define DEBUG_r(a) STMT_START {a;} STMT_END
3768#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3769# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3770# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3771# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3772# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3773# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3774# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3775# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3776# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3777# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3778
5f80b19c
AMS		 3779# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3780# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3781# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3782# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3783# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3784# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3785# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3786# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM		 3787
3788#else /* DEBUGGING */
3789
3790# define DEBUG_p_TEST (0)
3791# define DEBUG_s_TEST (0)
3792# define DEBUG_l_TEST (0)
3793# define DEBUG_t_TEST (0)
3794# define DEBUG_o_TEST (0)
3795# define DEBUG_c_TEST (0)
3796# define DEBUG_P_TEST (0)
3797# define DEBUG_m_TEST (0)
3798# define DEBUG_f_TEST (0)
3799# define DEBUG_r_TEST (0)
3800# define DEBUG_x_TEST (0)
3801# define DEBUG_u_TEST (0)
88d2d28a 3802# define DEBUG_U_TEST (0)
aea4f609
DM		 3803# define DEBUG_H_TEST (0)
3804# define DEBUG_X_TEST (0)
3805# define DEBUG_D_TEST (0)
aea4f609 3806# define DEBUG_T_TEST (0)
04932ac8 3807# define DEBUG_R_TEST (0)
1045810a 3808# define DEBUG_J_TEST (0)
d6721266 3809# define DEBUG_v_TEST (0)
46187eeb 3810# define DEBUG_C_TEST (0)
ecae49c0
NC		 3811# define DEBUG_A_TEST (0)
3812# define DEBUG_q_TEST (0)
d7c0d282 3813# define DEBUG_M_TEST (0)
cc8773c0 3814# define DEBUG_B_TEST (0)
7949c6f5
JC		 3815# define DEBUG_Xv_TEST (0)
3816# define DEBUG_Uv_TEST (0)
ad9e76a8 3817# define DEBUG_Pv_TEST (0)
aea4f609 3818
488b0c7a
JH		 3819# define PERL_DEB(a)
3820# define PERL_DEBUG(a)
aea4f609
DM		 3821# define DEBUG_p(a)
3822# define DEBUG_s(a)
3823# define DEBUG_l(a)
3824# define DEBUG_t(a)
3825# define DEBUG_o(a)
3826# define DEBUG_c(a)
3827# define DEBUG_P(a)
3828# define DEBUG_m(a)
3829# define DEBUG_f(a)
3830# define DEBUG_r(a)
3831# define DEBUG_x(a)
3832# define DEBUG_u(a)
88d2d28a 3833# define DEBUG_U(a)
aea4f609
DM		 3834# define DEBUG_H(a)
3835# define DEBUG_X(a)
3836# define DEBUG_D(a)
aea4f609 3837# define DEBUG_T(a)
04932ac8 3838# define DEBUG_R(a)
d6721266 3839# define DEBUG_v(a)
46187eeb 3840# define DEBUG_C(a)
ecae49c0
NC		 3841# define DEBUG_A(a)
3842# define DEBUG_q(a)
d7c0d282 3843# define DEBUG_M(a)
cc8773c0 3844# define DEBUG_B(a)
7949c6f5
JC		 3845# define DEBUG_Xv(a)
3846# define DEBUG_Uv(a)
ad9e76a8 3847# define DEBUG_Pv(a)
aea4f609
DM		 3848#endif /* DEBUGGING */
3849
3850
b4ab917c 3851#define DEBUG_SCOPE(where) \
d9f81b50 3852 DEBUG_l( \
1c98cc53
DM		 3853 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
3854 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
d9f81b50 3855 __FILE__, __LINE__));
b4ab917c 3856
de84dc04
NC		 3857#if defined(DEBUGGING) && defined(I_ASSERT)
3858# include <assert.h>
3859#endif
3860
3861/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3862 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3863
de84dc04 3864#define Perl_assert(what) PERL_DEB( \
2b057284 3865 ((what) ? ((void) 0) : \
67eb4d30 3866 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3867 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3868 (void) 0)))
de84dc04
NC		 3869
3870#ifndef assert
3871# define assert(what) Perl_assert(what)
a446a88f 3872#endif
8d063cd8 3873
450a55e4 3874struct ufuncs {
24f81a43
DM		 3875 I32 (*uf_val)(pTHX_ IV, SV*);
3876 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3877 IV uf_index;
450a55e4
LW		 3878};
3879
14befaf4 3880/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3881 * XS code wanting to be backward compatible can do something
3882 * like the following:
c745e42c 3883
24f81a43 3884#ifndef PERL_MG_UFUNC
24f81a43
DM		 3885#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3886#endif
3887
3888static PERL_MG_UFUNC(foo_get, index, val)
3889{
3890 sv_setsv(val, ...);
3891 return TRUE;
3892}
3893
3894-- Doug MacEachern
3895
3896*/
3897
fc9c74e6 3898#ifndef PERL_MG_UFUNC
24f81a43 3899#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3900#endif
24f81a43 3901
fe14fcc3 3902/* Fix these up for __STDC__ */
68dc0745 3903#ifndef DONT_DECLARE_STD
20ce7b12 3904char *mktemp (char*);
37bd1396 3905#ifndef atof
20ce7b12 3906double atof (const char*);
a0d0e21e 3907#endif
37bd1396 3908#endif
79072805 3909
352d5a3a 3910#ifndef STANDARD_C
fe14fcc3 3911/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3912Time_t time();
8d063cd8 3913struct tm *gmtime(), *localtime();
092bebab 3914#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3915char *(strchr)(), *(strrchr)();
3916char *(strcpy)(), *(strcat)();
3917#else
93a17b20 3918char *strchr(), *strrchr();
378cc40b 3919char *strcpy(), *strcat();
9d116dd7 3920#endif
352d5a3a 3921#endif /* ! STANDARD_C */
8d063cd8 3922
79072805
LW		 3923
3924#ifdef I_MATH
3925# include <math.h>
3926#else
32f822de 3927START_EXTERN_C
20ce7b12
GS		 3928 double exp (double);
3929 double log (double);
3930 double log10 (double);
3931 double sqrt (double);
3932 double frexp (double,int*);
3933 double ldexp (double,int);
3934 double modf (double,double*);
3935 double sin (double);
3936 double cos (double);
3937 double atan2 (double,double);
3938 double pow (double,double);
32f822de 3939END_EXTERN_C
79072805
LW		 3940#endif
3941
aa8b85de
JH		 3942#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3943# define NV_INF LDBL_INFINITY
3944#endif
3945#if !defined(NV_INF) && defined(DBL_INFINITY)
3946# define NV_INF (NV)DBL_INFINITY
3947#endif
3948#if !defined(NV_INF) && defined(INFINITY)
3949# define NV_INF (NV)INFINITY
3950#endif
3951#if !defined(NV_INF) && defined(INF)
3952# define NV_INF (NV)INF
3953#endif
3954#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3955# define NV_INF (NV)HUGE_VALL
3956#endif
3957#if !defined(NV_INF) && defined(HUGE_VAL)
3958# define NV_INF (NV)HUGE_VAL
3959#endif
3960
3961#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3962# if !defined(NV_NAN) && defined(LDBL_NAN)
3963# define NV_NAN LDBL_NAN
3964# endif
3965# if !defined(NV_NAN) && defined(LDBL_QNAN)
3966# define NV_NAN LDBL_QNAN
3967# endif
3968# if !defined(NV_NAN) && defined(LDBL_SNAN)
3969# define NV_NAN LDBL_SNAN
3970# endif
3971#endif
3972#if !defined(NV_NAN) && defined(DBL_NAN)
3973# define NV_NAN (NV)DBL_NAN
3974#endif
3975#if !defined(NV_NAN) && defined(DBL_QNAN)
3976# define NV_NAN (NV)DBL_QNAN
3977#endif
3978#if !defined(NV_NAN) && defined(DBL_SNAN)
3979# define NV_NAN (NV)DBL_SNAN
3980#endif
3981#if !defined(NV_NAN) && defined(QNAN)
3982# define NV_NAN (NV)QNAN
3983#endif
3984#if !defined(NV_NAN) && defined(SNAN)
3985# define NV_NAN (NV)SNAN
3986#endif
3987#if !defined(NV_NAN) && defined(NAN)
3988# define NV_NAN (NV)NAN
3989#endif
3990
a0d0e21e 3991#ifndef __cplusplus
8f1f23e8 3992# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3993char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3994# else
fd8cd3a3 3995# if !defined(WIN32) && !defined(VMS)
10bc17b6 3996#ifndef crypt
20ce7b12 3997char *crypt (const char*, const char*);
10bc17b6 3998#endif
5014db98 3999# endif /* !WIN32 */
8f1f23e8 4000# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 4001# ifndef DONT_DECLARE_STD
4002# ifndef getenv
20ce7b12 4003char *getenv (const char*);
26618a56 4004# endif /* !getenv */
28ca6303 4005# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 4006# ifdef _FILE_OFFSET_BITS
28ca6303 4007# if _FILE_OFFSET_BITS == 64
20ce7b12 4008Off_t lseek (int,Off_t,int);
0fc67700
JH		 4009# endif
4010# endif
bf0c440f 4011# endif
26618a56 4012# endif /* !DONT_DECLARE_STD */
10bc17b6 4013#ifndef getlogin
20ce7b12 4014char *getlogin (void);
10bc17b6 4015#endif
26618a56 4016#endif /* !__cplusplus */
79072805 4017
7a7fd8e0
JM		 4018/* Fixme on VMS. This needs to be a run-time, not build time options */
4019/* Also rename() is affected by this */
16d20bd9 4020#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 4021#define UNLINK unlnk
083639a9 4022I32 unlnk (pTHX_ const char*);
8d063cd8 4023#else
80252599 4024#define UNLINK PerlLIO_unlink
8d063cd8 4025#endif
a687059c 4026
fa0a29af
JH		 4027/* some versions of glibc are missing the setresuid() proto */
4028#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 4029int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4030#endif
fa0a29af
JH		 4031/* some versions of glibc are missing the setresgid() proto */
4032#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 4033int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4034#endif
4035
fe14fcc3 4036#ifndef HAS_SETREUID
85e6fe83
LW		 4037# ifdef HAS_SETRESUID
4038# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4039# define HAS_SETREUID
4040# endif
a687059c 4041#endif
fe14fcc3 4042#ifndef HAS_SETREGID
85e6fe83
LW		 4043# ifdef HAS_SETRESGID
4044# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4045# define HAS_SETREGID
4046# endif
a687059c 4047#endif
ee0007ab 4048
d543acb6 4049/* Sighandler_t defined in iperlsys.h */
ff68c719 4050
4051#ifdef HAS_SIGACTION
4052typedef struct sigaction Sigsave_t;
4053#else
4054typedef Sighandler_t Sigsave_t;
4055#endif
4056
ee0007ab
LW		 4057#define SCAN_DEF 0
4058#define SCAN_TR 1
4059#define SCAN_REPL 2
79072805
LW		 4060
4061#ifdef DEBUGGING
4633a7c4 4062# ifndef register
a0d0e21e
LW		 4063# define register
4064# endif
cea2e8a9 4065# define RUNOPS_DEFAULT Perl_runops_debug
79072805 4066#else
cea2e8a9 4067# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 4068#endif
4069
6cb8cb21 4070#ifdef USE_PERLIO
0934c9d9 4071EXTERN_C void PerlIO_teardown(void);
2f44961c 4072# ifdef USE_ITHREADS
6cb8cb21
RGS		 4073# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4074# define PERLIO_TERM \
4075 STMT_START { \
d0820ef1 4076 PerlIO_teardown(); \
6cb8cb21
RGS		 4077 MUTEX_DESTROY(&PL_perlio_mutex);\
4078 } STMT_END
4079# else
4080# define PERLIO_INIT
d0820ef1 4081# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 4082# endif
6b29934b
NC		 4083#else
4084# define PERLIO_INIT
4085# define PERLIO_TERM
6cb8cb21
RGS		 4086#endif
4087
18f739ee 4088#ifdef MYMALLOC
772fe5b3 4089# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 4090# define MALLOC_INIT \
4091 STMT_START { \
4092 PL_malloc_mutex = NULL; \
4093 MUTEX_INIT(&PL_malloc_mutex); \
4094 } STMT_END
4095# define MALLOC_TERM \
4096 STMT_START { \
4097 perl_mutex tmp = PL_malloc_mutex; \
4098 PL_malloc_mutex = NULL; \
4099 MUTEX_DESTROY(&tmp); \
4100 } STMT_END
4101# else
4102# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4103# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4104# endif
18f739ee
IZ		 4105#else
4106# define MALLOC_INIT
4107# define MALLOC_TERM
4108#endif
4109
cd1541b2 4110#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 4111
4112struct perl_memory_debug_header;
cd1541b2
NC		 4113struct perl_memory_debug_header {
4114 tTHX interpreter;
4115# ifdef PERL_POISON
4116 MEM_SIZE size;
cd1541b2 4117# endif
7cb608b5
NC		 4118 struct perl_memory_debug_header *prev;
4119 struct perl_memory_debug_header *next;
cd1541b2
NC		 4120};
4121
4122# define sTHX (sizeof(struct perl_memory_debug_header) + \
4123 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4124 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4125
d8fca402
NC		 4126#else
4127# define sTHX 0
cd1541b2
NC		 4128#endif
4129
7cb608b5
NC		 4130#ifdef PERL_TRACK_MEMPOOL
4131# define INIT_TRACK_MEMPOOL(header, interp) \
4132 STMT_START { \
4133 (header).interpreter = (interp); \
4134 (header).prev = (header).next = &(header); \
4135 } STMT_END
4136# else
4137# define INIT_TRACK_MEMPOOL(header, interp)
4138#endif
4139
1cd66f7c
DD		 4140#ifdef I_MALLOCMALLOC
4141/* Needed for malloc_size(), malloc_good_size() on some systems */
4142# include <malloc/malloc.h>
4143#endif
4144
ca7c1a29
NC		 4145#ifdef MYMALLOC
4146# define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
cfe52898 4147#else
e82be400
NC		 4148# ifdef HAS_MALLOC_SIZE
4149# ifdef PERL_TRACK_MEMPOOL
cfe52898
RGS		 4150# define Perl_safesysmalloc_size(where) \
4151 (malloc_size(((char *)(where)) - sTHX) - sTHX)
e82be400
NC		 4152# else
4153# define Perl_safesysmalloc_size(where) malloc_size(where)
4154# endif
4155# endif
4156# ifdef HAS_MALLOC_GOOD_SIZE
4157# ifdef PERL_TRACK_MEMPOOL
d8fca402
NC		 4158# define Perl_malloc_good_size(how_much) \
4159 (malloc_good_size((how_much) + sTHX) - sTHX)
e82be400
NC		 4160# else
4161# define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4162# endif
4163# else
d8fca402
NC		 4164/* Having this as the identity operation makes some code simpler. */
4165# define Perl_malloc_good_size(how_much) (how_much)
e82be400 4166# endif
ca7c1a29 4167#endif
b6d9d515 4168
16c91539
BM		 4169typedef int (*runops_proc_t)(pTHX);
4170typedef void (*share_proc_t) (pTHX_ SV *sv);
4171typedef int (*thrhook_proc_t) (pTHX);
4172typedef OP* (*PPADDR_t[]) (pTHX);
4173typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4174typedef void (*despatch_signals_proc_t) (pTHX);
22c35a8c 4175
8f1f23e8
W		 4176/* NeXT has problems with crt0.o globals */
4177#if defined(__DYNAMIC__) && \
6239f2da 4178 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 4179# if defined(NeXT) || defined(__NeXT)
4180# include <mach-o/dyld.h>
4181# define environ (*environ_pointer)
0c30d9ec 4182EXT char *** environ_pointer;
8f1f23e8 4183# else
6239f2da 4184# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 4185# include <crt_externs.h> /* for the env array */
4186# define environ (*_NSGetEnviron())
4187# endif
0c30d9ec 4188# endif
8f1f23e8
W		 4189#else
4190 /* VMS and some other platforms don't use the environ array */
13b6e58c 4191# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 4192# if !defined(DONT_DECLARE_STD) || \
4193 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
4194 defined(__sgi) || \
d460ef45 4195 defined(__DGUX)
8f1f23e8 4196extern char ** environ; /* environment variables supplied via exec */
a6c40364 4197# endif
8f1f23e8
W		 4198# endif
4199#endif
79072805 4200
457c5385
NC		 4201#define PERL_PATCHLEVEL_H_IMPLICIT
4202#include "patchlevel.h"
4203#undef PERL_PATCHLEVEL_H_IMPLICIT
4204
4205#define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4206 STRINGIFY(PERL_VERSION) "." \
4207 STRINGIFY(PERL_SUBVERSION)
4208
4209#define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4210 STRINGIFY(PERL_API_VERSION) "." \
4211 STRINGIFY(PERL_API_SUBVERSION)
4212
73c4f7a1
GS		 4213START_EXTERN_C
4214
79072805 4215/* handy constants */
22c35a8c 4216EXTCONST char PL_warn_uninit[]
29489e7c 4217 INIT("Use of uninitialized value%s%s%s");
22c35a8c 4218EXTCONST char PL_warn_nosemi[]
463ee0b2 4219 INIT("Semicolon seems to be missing");
22c35a8c 4220EXTCONST char PL_warn_reserved[]
463ee0b2 4221 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4222EXTCONST char PL_warn_nl[]
93a17b20 4223 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4224EXTCONST char PL_no_wrongref[]
a0d0e21e 4225 INIT("Can't use %s ref as %s ref");
def89bff
NC		 4226/* The core no longer needs these here. If you require the string constant,
4227 please inline a copy into your own code. */
973a7615
NC		 4228EXTCONST char PL_no_symref[] __attribute__deprecated__
4229 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
def89bff
NC		 4230EXTCONST char PL_no_symref_sv[] __attribute__deprecated__
4231 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 4232EXTCONST char PL_no_usym[]
8990e307 4233 INIT("Can't use an undefined value as %s reference");
22c35a8c 4234EXTCONST char PL_no_aelem[]
93a17b20 4235 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4236EXTCONST char PL_no_helem_sv[]
d04ff51e 4237 INIT("Modification of non-creatable hash value attempted, subscript \"%"SVf"\"");
22c35a8c 4238EXTCONST char PL_no_modify[]
93a17b20 4239 INIT("Modification of a read-only value attempted");
22c35a8c 4240EXTCONST char PL_no_mem[]
93a17b20 4241 INIT("Out of memory!\n");
22c35a8c 4242EXTCONST char PL_no_security[]
463ee0b2 4243 INIT("Insecure dependency in %s%s");
22c35a8c 4244EXTCONST char PL_no_sock_func[]
93a17b20 4245 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4246EXTCONST char PL_no_dir_func[]
93a17b20 4247 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4248EXTCONST char PL_no_func[]
93a17b20 4249 INIT("The %s function is unimplemented");
22c35a8c 4250EXTCONST char PL_no_myglob[]
952306ac 4251 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 4252EXTCONST char PL_no_localize_ref[]
4253 INIT("Can't localize through a reference");
27d5b266
JH		 4254EXTCONST char PL_memory_wrap[]
4255 INIT("panic: memory wrap");
93a17b20 4256
58f645e2
NC		 4257EXTCONST char PL_Yes[]
4258 INIT("1");
4259EXTCONST char PL_No[]
4260 INIT("");
4261EXTCONST char PL_hexdigit[]
4262 INIT("0123456789abcdef0123456789ABCDEF");
4263
0447859b
NC		 4264/* This is constant on most architectures, a global on OS/2 */
4265#ifndef OS2
4266EXTCONST char PL_sh_path[]
4267 INIT(SH_PATH); /* full path of shell */
4268#endif
4269
618b9757
NC		 4270#ifdef CSH
4271EXTCONST char PL_cshname[]
4272 INIT(CSH);
4273# define PL_cshlen (sizeof(CSH "") - 1)
4274#endif
4275
457c5385
NC		 4276/* These are baked at compile time into any shared perl library.
4277 In future releases this will allow us in main() to sanity test the
4278 library we're linking against. */
4279
4280EXTCONST U8 PL_revision
4281 INIT(PERL_REVISION);
4282EXTCONST U8 PL_version
4283 INIT(PERL_VERSION);
4284EXTCONST U8 PL_subversion
4285 INIT(PERL_SUBVERSION);
4286
7575fa06 4287EXTCONST char PL_uuemap[65]
80252599
GS		 4288 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4289
79072805 4290#ifdef DOINIT
9444d213 4291EXTCONST char PL_uudmap[256] =
dde5ec2c
NC		 4292# ifdef PERL_MICRO
4293# include "uuudmap.h"
4294# else
4295# include "uudmap.h"
4296# endif
9444d213 4297;
efa50c51 4298EXTCONST char PL_bitcount[256] =
dde5ec2c
NC		 4299# ifdef PERL_MICRO
4300# include "ubitcount.h"
4301#else
4302# include "bitcount.h"
4303# endif
efa50c51 4304;
27da23d5
JH		 4305EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4306EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4307#else
9444d213 4308EXTCONST char PL_uudmap[256];
efa50c51 4309EXTCONST char PL_bitcount[256];
27da23d5
JH		 4310EXTCONST char* const PL_sig_name[];
4311EXTCONST int PL_sig_num[];
79072805
LW		 4312#endif
4313
6d8e7a01
KW		 4314/* fast conversion and case folding tables. The folding tables complement the
4315 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4316 * folds such as outside the range or to multiple characters. */
bbce6d69 4317
79072805 4318#ifdef DOINIT
d02f4dad
KW		 4319#ifndef EBCDIC
4320
4321/* The EBCDIC fold table depends on the code page, and hence is found in
4322 * utfebcdic.h */
4323
22c35a8c 4324EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4325 0, 1, 2, 3, 4, 5, 6, 7,
4326 8, 9, 10, 11, 12, 13, 14, 15,
4327 16, 17, 18, 19, 20, 21, 22, 23,
4328 24, 25, 26, 27, 28, 29, 30, 31,
4329 32, 33, 34, 35, 36, 37, 38, 39,
4330 40, 41, 42, 43, 44, 45, 46, 47,
4331 48, 49, 50, 51, 52, 53, 54, 55,
4332 56, 57, 58, 59, 60, 61, 62, 63,
4333 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4334 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4335 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4336 'x', 'y', 'z', 91, 92, 93, 94, 95,
4337 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4338 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4339 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4340 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4341 128, 129, 130, 131, 132, 133, 134, 135,
4342 136, 137, 138, 139, 140, 141, 142, 143,
4343 144, 145, 146, 147, 148, 149, 150, 151,
4344 152, 153, 154, 155, 156, 157, 158, 159,
4345 160, 161, 162, 163, 164, 165, 166, 167,
4346 168, 169, 170, 171, 172, 173, 174, 175,
4347 176, 177, 178, 179, 180, 181, 182, 183,
4348 184, 185, 186, 187, 188, 189, 190, 191,
4349 192, 193, 194, 195, 196, 197, 198, 199,
4350 200, 201, 202, 203, 204, 205, 206, 207,
4351 208, 209, 210, 211, 212, 213, 214, 215,
4352 216, 217, 218, 219, 220, 221, 222, 223,
4353 224, 225, 226, 227, 228, 229, 230, 231,
4354 232, 233, 234, 235, 236, 237, 238, 239,
4355 240, 241, 242, 243, 244, 245, 246, 247,
4356 248, 249, 250, 251, 252, 253, 254, 255
4357};
3871f40b
KW		 4358EXTCONST unsigned char PL_fold_latin1[] = {
4359 /* Full latin1 complement folding, except for three problematic code points:
4360 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4361 * fold complements outside the Latin1 range, so can't match something
4362 * that isn't in utf8.
4363 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4364 * not one, so can't be represented in this table.
4365 *
4366 * All have to be specially handled */
4367 0, 1, 2, 3, 4, 5, 6, 7,
4368 8, 9, 10, 11, 12, 13, 14, 15,
4369 16, 17, 18, 19, 20, 21, 22, 23,
4370 24, 25, 26, 27, 28, 29, 30, 31,
4371 32, 33, 34, 35, 36, 37, 38, 39,
4372 40, 41, 42, 43, 44, 45, 46, 47,
4373 48, 49, 50, 51, 52, 53, 54, 55,
4374 56, 57, 58, 59, 60, 61, 62, 63,
4375 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4376 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4377 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4378 'x', 'y', 'z', 91, 92, 93, 94, 95,
4379 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4380 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4381 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4382 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4383 128, 129, 130, 131, 132, 133, 134, 135,
4384 136, 137, 138, 139, 140, 141, 142, 143,
4385 144, 145, 146, 147, 148, 149, 150, 151,
4386 152, 153, 154, 155, 156, 157, 158, 159,
4387 160, 161, 162, 163, 164, 165, 166, 167,
4388 168, 169, 170, 171, 172, 173, 174, 175,
4389 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4390 184, 185, 186, 187, 188, 189, 190, 191,
4391 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4392 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4393 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4394 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4395 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4396 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4397 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4398 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4399 255 /* y with diaeresis */
4400};
00f254e2
KW		 4401#endif /* !EBCDIC, but still in DOINIT */
4402
4403/* If these tables are accessed through ebcdic, the access will be converted to
4404 * latin1 first */
4405EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4406 0, 1, 2, 3, 4, 5, 6, 7,
4407 8, 9, 10, 11, 12, 13, 14, 15,
4408 16, 17, 18, 19, 20, 21, 22, 23,
4409 24, 25, 26, 27, 28, 29, 30, 31,
4410 32, 33, 34, 35, 36, 37, 38, 39,
4411 40, 41, 42, 43, 44, 45, 46, 47,
4412 48, 49, 50, 51, 52, 53, 54, 55,
4413 56, 57, 58, 59, 60, 61, 62, 63,
4414 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4415 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4416 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4417 'x', 'y', 'z', 91, 92, 93, 94, 95,
4418 96, 97, 98, 99, 100, 101, 102, 103,
4419 104, 105, 106, 107, 108, 109, 110, 111,
4420 112, 113, 114, 115, 116, 117, 118, 119,
4421 120, 121, 122, 123, 124, 125, 126, 127,
4422 128, 129, 130, 131, 132, 133, 134, 135,
4423 136, 137, 138, 139, 140, 141, 142, 143,
4424 144, 145, 146, 147, 148, 149, 150, 151,
4425 152, 153, 154, 155, 156, 157, 158, 159,
4426 160, 161, 162, 163, 164, 165, 166, 167,
4427 168, 169, 170, 171, 172, 173, 174, 175,
4428 176, 177, 178, 179, 180, 181, 182, 183,
4429 184, 185, 186, 187, 188, 189, 190, 191,
4430 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4431 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4432 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4433 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4434 224, 225, 226, 227, 228, 229, 230, 231,
4435 232, 233, 234, 235, 236, 237, 238, 239,
4436 240, 241, 242, 243, 244, 245, 246, 247,
4437 248, 249, 250, 251, 252, 253, 254, 255
4438};
4439
4440/* upper and title case of latin1 characters, modified so that the three tricky
4441 * ones are mapped to 255 (which is one of the three) */
4442EXTCONST unsigned char PL_mod_latin1_uc[] = {
4443 0, 1, 2, 3, 4, 5, 6, 7,
4444 8, 9, 10, 11, 12, 13, 14, 15,
4445 16, 17, 18, 19, 20, 21, 22, 23,
4446 24, 25, 26, 27, 28, 29, 30, 31,
4447 32, 33, 34, 35, 36, 37, 38, 39,
4448 40, 41, 42, 43, 44, 45, 46, 47,
4449 48, 49, 50, 51, 52, 53, 54, 55,
4450 56, 57, 58, 59, 60, 61, 62, 63,
4451 64, 65, 66, 67, 68, 69, 70, 71,
4452 72, 73, 74, 75, 76, 77, 78, 79,
4453 80, 81, 82, 83, 84, 85, 86, 87,
4454 88, 89, 90, 91, 92, 93, 94, 95,
4455 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4456 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4457 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4458 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4459 128, 129, 130, 131, 132, 133, 134, 135,
4460 136, 137, 138, 139, 140, 141, 142, 143,
4461 144, 145, 146, 147, 148, 149, 150, 151,
4462 152, 153, 154, 155, 156, 157, 158, 159,
4463 160, 161, 162, 163, 164, 165, 166, 167,
4464 168, 169, 170, 171, 172, 173, 174, 175,
4465 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4466 184, 185, 186, 187, 188, 189, 190, 191,
4467 192, 193, 194, 195, 196, 197, 198, 199,
4468 200, 201, 202, 203, 204, 205, 206, 207,
4469 208, 209, 210, 211, 212, 213, 214, 215,
4470 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/,
4471 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4472 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4473 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4474 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4475};
4476#else /* ! DOINIT */
22c35a8c 4477EXTCONST unsigned char PL_fold[];
3871f40b 4478EXTCONST unsigned char PL_fold_latin1[];
00f254e2
KW		 4479EXTCONST unsigned char PL_mod_latin1_uc[];
4480EXTCONST unsigned char PL_latin1_lc[];
79072805
LW		 4481#endif
4482
27da23d5 4483#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4484#ifdef DOINIT
27da23d5 4485EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4486 0, 1, 2, 3, 4, 5, 6, 7,
4487 8, 9, 10, 11, 12, 13, 14, 15,
4488 16, 17, 18, 19, 20, 21, 22, 23,
4489 24, 25, 26, 27, 28, 29, 30, 31,
4490 32, 33, 34, 35, 36, 37, 38, 39,
4491 40, 41, 42, 43, 44, 45, 46, 47,
4492 48, 49, 50, 51, 52, 53, 54, 55,
4493 56, 57, 58, 59, 60, 61, 62, 63,
4494 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4495 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4496 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4497 'x', 'y', 'z', 91, 92, 93, 94, 95,
4498 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4499 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4500 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4501 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4502 128, 129, 130, 131, 132, 133, 134, 135,
4503 136, 137, 138, 139, 140, 141, 142, 143,
4504 144, 145, 146, 147, 148, 149, 150, 151,
4505 152, 153, 154, 155, 156, 157, 158, 159,
4506 160, 161, 162, 163, 164, 165, 166, 167,
4507 168, 169, 170, 171, 172, 173, 174, 175,
4508 176, 177, 178, 179, 180, 181, 182, 183,
4509 184, 185, 186, 187, 188, 189, 190, 191,
4510 192, 193, 194, 195, 196, 197, 198, 199,
4511 200, 201, 202, 203, 204, 205, 206, 207,
4512 208, 209, 210, 211, 212, 213, 214, 215,
4513 216, 217, 218, 219, 220, 221, 222, 223,
4514 224, 225, 226, 227, 228, 229, 230, 231,
4515 232, 233, 234, 235, 236, 237, 238, 239,
4516 240, 241, 242, 243, 244, 245, 246, 247,
4517 248, 249, 250, 251, 252, 253, 254, 255
4518};
4519#else
27da23d5 4520EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4521#endif
27da23d5 4522#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4523
4524#ifdef DOINIT
9d116dd7 4525#ifdef EBCDIC
27da23d5 4526EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4527 1, 2, 84, 151, 154, 155, 156, 157,
4528 165, 246, 250, 3, 158, 7, 18, 29,
4529 40, 51, 62, 73, 85, 96, 107, 118,
4530 129, 140, 147, 148, 149, 150, 152, 153,
4531 255, 6, 8, 9, 10, 11, 12, 13,
4532 14, 15, 24, 25, 26, 27, 28, 226,
4533 29, 30, 31, 32, 33, 43, 44, 45,
4534 46, 47, 48, 49, 50, 76, 77, 78,
4535 79, 80, 81, 82, 83, 84, 85, 86,
4536 87, 94, 95, 234, 181, 233, 187, 190,
4537 180, 96, 97, 98, 99, 100, 101, 102,
4538 104, 112, 182, 174, 236, 232, 229, 103,
4539 228, 226, 114, 115, 116, 117, 118, 119,
4540 120, 121, 122, 235, 176, 230, 194, 162,
4541 130, 131, 132, 133, 134, 135, 136, 137,
4542 138, 139, 201, 205, 163, 217, 220, 224,
4543 5, 248, 227, 244, 242, 255, 241, 231,
4544 240, 253, 16, 197, 19, 20, 21, 187,
4545 23, 169, 210, 245, 237, 249, 247, 239,
4546 168, 252, 34, 196, 36, 37, 38, 39,
4547 41, 42, 251, 254, 238, 223, 221, 213,
4548 225, 177, 52, 53, 54, 55, 56, 57,
4549 58, 59, 60, 61, 63, 64, 65, 66,
4550 67, 68, 69, 70, 71, 72, 74, 75,
4551 205, 208, 186, 202, 200, 218, 198, 179,
4552 178, 214, 88, 89, 90, 91, 92, 93,
4553 217, 166, 170, 207, 199, 209, 206, 204,
4554 160, 212, 105, 106, 108, 109, 110, 111,
4555 203, 113, 216, 215, 192, 175, 193, 243,
4556 172, 161, 123, 124, 125, 126, 127, 128,
4557 222, 219, 211, 195, 188, 193, 185, 184,
4558 191, 183, 141, 142, 143, 144, 145, 146
4559};
4560#else /* ascii rather than ebcdic */
22c35a8c 4561EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4562 1, 2, 84, 151, 154, 155, 156, 157,
4563 165, 246, 250, 3, 158, 7, 18, 29,
4564 40, 51, 62, 73, 85, 96, 107, 118,
4565 129, 140, 147, 148, 149, 150, 152, 153,
4566 255, 182, 224, 205, 174, 176, 180, 217,
4567 233, 232, 236, 187, 235, 228, 234, 226,
4568 222, 219, 211, 195, 188, 193, 185, 184,
4569 191, 183, 201, 229, 181, 220, 194, 162,
4570 163, 208, 186, 202, 200, 218, 198, 179,
4571 178, 214, 166, 170, 207, 199, 209, 206,
4572 204, 160, 212, 216, 215, 192, 175, 173,
4573 243, 172, 161, 190, 203, 189, 164, 230,
4574 167, 248, 227, 244, 242, 255, 241, 231,
4575 240, 253, 169, 210, 245, 237, 249, 247,
4576 239, 168, 252, 251, 254, 238, 223, 221,
4577 213, 225, 177, 197, 171, 196, 159, 4,
4578 5, 6, 8, 9, 10, 11, 12, 13,
4579 14, 15, 16, 17, 19, 20, 21, 22,
4580 23, 24, 25, 26, 27, 28, 30, 31,
4581 32, 33, 34, 35, 36, 37, 38, 39,
4582 41, 42, 43, 44, 45, 46, 47, 48,
4583 49, 50, 52, 53, 54, 55, 56, 57,
4584 58, 59, 60, 61, 63, 64, 65, 66,
4585 67, 68, 69, 70, 71, 72, 74, 75,
4586 76, 77, 78, 79, 80, 81, 82, 83,
4587 86, 87, 88, 89, 90, 91, 92, 93,
4588 94, 95, 97, 98, 99, 100, 101, 102,
4589 103, 104, 105, 106, 108, 109, 110, 111,
4590 112, 113, 114, 115, 116, 117, 119, 120,
4591 121, 122, 123, 124, 125, 126, 127, 128,
4592 130, 131, 132, 133, 134, 135, 136, 137,
4593 138, 139, 141, 142, 143, 144, 145, 146
4594};
9d116dd7 4595#endif
79072805 4596#else
22c35a8c 4597EXTCONST unsigned char PL_freq[];
79072805
LW		 4598#endif
4599
8990e307
LW		 4600#ifdef DEBUGGING
4601#ifdef DOINIT
27da23d5 4602EXTCONST char* const PL_block_type[] = {
8990e307 4603 "NULL",
d01136d6 4604 "WHEN",
8990e307 4605 "BLOCK",
0d863452 4606 "GIVEN",
d01136d6
BS		 4607 "LOOP_FOR",
4608 "LOOP_PLAIN",
4609 "LOOP_LAZYSV",
4610 "LOOP_LAZYIV",
76753e7f
NC		 4611 "SUB",
4612 "FORMAT",
4613 "EVAL",
4614 "SUBST"
8990e307
LW		 4615};
4616#else
22c35a8c 4617EXTCONST char* PL_block_type[];
8990e307
LW		 4618#endif
4619#endif
4620
b75885fd
NC		 4621/* These are all the compile time options that affect binary compatibility.
4622 Other compile time options that are binary compatible are in perl.c
4623 Both are combined for the output of perl -V
4624 However, this string will be embedded in any shared perl library, which will
4625 allow us add a comparison check in perlmain.c in the near future. */
4626#ifdef DOINIT
4627EXTCONST char PL_bincompat_options[] =
4628# ifdef DEBUG_LEAKING_SCALARS
4629 " DEBUG_LEAKING_SCALARS"
4630# endif
4631# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4632 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4633# endif
4634# ifdef FAKE_THREADS
4635 " FAKE_THREADS"
4636# endif
eba804b9
NC		 4637# ifdef FCRYPT
4638 " FCRYPT"
4639# endif
4640# ifdef HAS_TIMES
4641 " HAS_TIMES"
4642# endif
4643# ifdef HAVE_INTERP_INTERN
426f6eb2 4644 " HAVE_INTERP_INTERN"
eba804b9 4645# endif
b75885fd
NC		 4646# ifdef MULTIPLICITY
4647 " MULTIPLICITY"
4648# endif
4649# ifdef MYMALLOC
4650 " MYMALLOC"
4651# endif
eba804b9
NC		 4652# ifdef PERLIO_LAYERS
4653 " PERLIO_LAYERS"
4654# endif
b75885fd
NC		 4655# ifdef PERL_DEBUG_READONLY_OPS
4656 " PERL_DEBUG_READONLY_OPS"
4657# endif
4658# ifdef PERL_GLOBAL_STRUCT
4659 " PERL_GLOBAL_STRUCT"
4660# endif
4661# ifdef PERL_IMPLICIT_CONTEXT
4662 " PERL_IMPLICIT_CONTEXT"
4663# endif
4664# ifdef PERL_IMPLICIT_SYS
4665 " PERL_IMPLICIT_SYS"
4666# endif
4667# ifdef PERL_MAD
4668 " PERL_MAD"
4669# endif
eba804b9
NC		 4670# ifdef PERL_MICRO
4671 " PERL_MICRO"
4672# endif
b75885fd
NC		 4673# ifdef PERL_NEED_APPCTX
4674 " PERL_NEED_APPCTX"
4675# endif
4676# ifdef PERL_NEED_TIMESBASE
4677 " PERL_NEED_TIMESBASE"
4678# endif
4679# ifdef PERL_OLD_COPY_ON_WRITE
4680 " PERL_OLD_COPY_ON_WRITE"
4681# endif
4682# ifdef PERL_POISON
4683 " PERL_POISON"
4684# endif
4685# ifdef PERL_TRACK_MEMPOOL
4686 " PERL_TRACK_MEMPOOL"
4687# endif
4688# ifdef PERL_USES_PL_PIDSTATUS
4689 " PERL_USES_PL_PIDSTATUS"
4690# endif
4691# ifdef PL_OP_SLAB_ALLOC
4692 " PL_OP_SLAB_ALLOC"
4693# endif
4694# ifdef THREADS_HAVE_PIDS
4695 " THREADS_HAVE_PIDS"
4696# endif
4697# ifdef USE_64_BIT_ALL
4698 " USE_64_BIT_ALL"
4699# endif
4700# ifdef USE_64_BIT_INT
4701 " USE_64_BIT_INT"
4702# endif
c7b392fa
NC		 4703# ifdef USE_IEEE
4704 " USE_IEEE"
4705# endif
b75885fd
NC		 4706# ifdef USE_ITHREADS
4707 " USE_ITHREADS"
4708# endif
4709# ifdef USE_LARGE_FILES
4710 " USE_LARGE_FILES"
4711# endif
eba804b9
NC		 4712# ifdef USE_LOCALE_COLLATE
4713 " USE_LOCALE_COLLATE"
4714# endif
4715# ifdef USE_LOCALE_NUMERIC
4716 " USE_LOCALE_NUMERIC"
4717# endif
b75885fd
NC		 4718# ifdef USE_LONG_DOUBLE
4719 " USE_LONG_DOUBLE"
4720# endif
4721# ifdef USE_PERLIO
4722 " USE_PERLIO"
4723# endif
4724# ifdef USE_REENTRANT_API
4725 " USE_REENTRANT_API"
4726# endif
4727# ifdef USE_SFIO
4728 " USE_SFIO"
4729# endif
4730# ifdef USE_SOCKS
4731 " USE_SOCKS"
4732# endif
4f575702
CB		 4733# ifdef VMS_DO_SOCKETS
4734 " VMS_DO_SOCKETS"
4f575702 4735# endif
e8b231c6
CB		 4736# ifdef VMS_SHORTEN_LONG_SYMBOLS
4737 " VMS_SHORTEN_LONG_SYMBOLS"
4738# endif
ad5e438d
NC		 4739# ifdef VMS_WE_ARE_CASE_SENSITIVE
4740 " VMS_SYMBOL_CASE_AS_IS"
4741# endif
a68dd89e 4742 "";
b75885fd
NC		 4743#else
4744EXTCONST char PL_bincompat_options[];
4745#endif
4746
ca7b837b
SM		 4747#ifndef PERL_SET_PHASE
4748# define PERL_SET_PHASE(new_phase) \
cb3f8189 4749 PHASE_CHANGE_PROBE(PL_phase_names[new_phase], PL_phase_names[PL_phase]); \
ca7b837b
SM		 4750 PL_phase = new_phase;
4751#endif
4752
9ebf26ad
FR		 4753/* The interpreter phases. If these ever change, PL_phase_names right below will
4754 * need to be updated accordingly. */
4755enum perl_phase {
4756 PERL_PHASE_CONSTRUCT = 0,
4757 PERL_PHASE_START = 1,
4758 PERL_PHASE_CHECK = 2,
4759 PERL_PHASE_INIT = 3,
4760 PERL_PHASE_RUN = 4,
4761 PERL_PHASE_END = 5,
4762 PERL_PHASE_DESTRUCT = 6
4763};
4764
4765#ifdef DOINIT
4766EXTCONST char *const PL_phase_names[] = {
4767 "CONSTRUCT",
4768 "START",
4769 "CHECK",
4770 "INIT",
4771 "RUN",
4772 "END",
4773 "DESTRUCT"
4774};
4775#else
4776EXTCONST char *const PL_phase_names[];
4777#endif
4778
627364f1
FR		 4779#ifndef PERL_CORE
4780/* Do not use this macro. It only exists for extensions that rely on PL_dirty
4781 * instead of using the newer PL_phase, which provides everything PL_dirty
4782 * provided, and more. */
4783# define PL_dirty (PL_phase == PERL_PHASE_DESTRUCT)
4784#endif /* !PERL_CORE */
4785
73c4f7a1
GS		 4786END_EXTERN_C
4787
79072805
LW		 4788/*****************************************************************************/
4789/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4790/*****************************************************************************/
8990e307 4791/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4792
d4c3c482 4793#ifdef __Lynx__
9cffb111
OS		 4794/* LynxOS defines these in scsi.h which is included via ioctl.h */
4795#ifdef FORMAT
4796#undef FORMAT
4797#endif
4798#ifdef SPACE
4799#undef SPACE
4800#endif
d4c3c482 4801#endif
9cffb111 4802
fb73857a 4803#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4804
79072805
LW		 4805typedef enum {
4806 XOPERATOR,
4807 XTERM,
79072805 4808 XREF,
8990e307 4809 XSTATE,
a0d0e21e 4810 XBLOCK,
09bef843
SB		 4811 XATTRBLOCK,
4812 XATTRTERM,
6f33ba73
RGS		 4813 XTERMBLOCK,
4814 XTERMORDORDOR /* evil hack */
27308ded 4815 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4816} expectation;
4817
d5ec2987
NC		 4818/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4819 special and there is no need for HINT_PRIVATE_MASK for COPs
4820 However, bitops store HINT_INTEGER in their op_private. */
9cfe5470
RGS		 4821#define HINT_INTEGER 0x00000001 /* integer pragma */
4822#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4823#define HINT_LOCALE 0x00000004 /* locale pragma */
4824#define HINT_BYTES 0x00000008 /* bytes pragma */
7b0bddfa 4825#define HINT_ARYBASE 0x00000010 /* $[ is non-zero */
a0ed51b3 4826 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 4827 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 4828
4829#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4830#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4831#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
1863b879 4832#define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */
85e6fe83 4833
9cfe5470 4834/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4835#define HINT_NEW_INTEGER 0x00001000
4836#define HINT_NEW_FLOAT 0x00002000
4837#define HINT_NEW_BINARY 0x00004000
4838#define HINT_NEW_STRING 0x00008000
4839#define HINT_NEW_RE 0x00010000
4840#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 4841#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4842#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 4843
9cfe5470
RGS		 4844#define HINT_RE_TAINT 0x00100000 /* re pragma */
4845#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4846
9cfe5470
RGS		 4847#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4848#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4849
e46c382e
YK		 4850#define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
4851
1e215989
FC		 4852#define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */
4853
0239f47c 4854/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4855#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4856#define HINT_SORT_QUICKSORT 0x00000001
4857#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4858#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4859
8bfdd7d9 4860/* Various states of the input record separator SV (rs) */
d4cce5f1 4861#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4862#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4863#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4864#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4865
128e8167 4866/* A struct for keeping various DEBUGGING related stuff,
ce333219 4867 * neatly packed. Currently only scratch variables for
128e8167
JH		 4868 * constructing debug output are included. Needed always,
4869 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4870struct perl_debug_pad {
4871 SV pad[3];
4872};
4873
4874#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4875#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4876 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4877 PERL_DEBUG_PAD(i))
ce333219 4878
56953603 4879/* Enable variables which are pointers to functions */
16c91539
BM		 4880typedef void (*peep_t)(pTHX_ OP* o);
4881typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm);
4882typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg,
0cb96387
GS		 4883 char* strend, char* strbeg, I32 minend,
4884 SV* screamer, void* data, U32 flags);
16c91539 4885typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv,
f722798b
IZ		 4886 char *strpos, char *strend,
4887 U32 flags,
9f61653a 4888 re_scream_pos_data *d);
16c91539
BM		 4889typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog);
4890typedef void (*regfree_t) (pTHX_ struct regexp* r);
4891typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param);
a932d541 4892typedef I32 (*re_fold_t)(const char *, char const *, I32);
56953603 4893
c76ac1ee 4894typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc 4895typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
f30de749 4896typedef void (*SVFUNC_t) (pTHX_ SV* const);
31e9e0a3 4897typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
acfe0abc
GS		 4898typedef void (*XSINIT_t) (pTHX);
4899typedef void (*ATEXIT_t) (pTHX_ void*);
4900typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4901
16c91539
BM		 4902typedef OP* (*Perl_ppaddr_t)(pTHX);
4903typedef OP* (*Perl_check_t) (pTHX_ OP*);
4904typedef void(*Perl_ophook_t)(pTHX_ OP*);
4905typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**);
1830b3d9 4906typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *);
88e1f1a2
JV		 4907
4908#define KEYWORD_PLUGIN_DECLINE 0
4909#define KEYWORD_PLUGIN_STMT 1
4910#define KEYWORD_PLUGIN_EXPR 2
22239a37 4911
58a50f62
GS		 4912/* Interpreter exitlist entry */
4913typedef struct exitlistentry {
acfe0abc 4914 void (*fn) (pTHX_ void*);
58a50f62
GS		 4915 void *ptr;
4916} PerlExitListEntry;
4917
aadb217d
JH		 4918/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4919/* These have to be before perlvars.h */
4920#if !defined(HAS_SIGACTION) && defined(VMS)
4921# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4922#endif
4923/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4924#if defined(KILL_BY_SIGPRC)
4925# define FAKE_DEFAULT_SIGNAL_HANDLERS
4926#endif
4927
8c1cc017
NC		 4928#if !defined(MULTIPLICITY)
4929
4930struct interpreter {
4931 char broiled;
22239a37
NIS		 4932};
4933
8c1cc017 4934#else
22239a37 4935
d460ef45 4936/* If we have multiple interpreters define a struct
d4cce5f1 4937 holding variables which must be per-interpreter
d460ef45 4938 If we don't have threads anything that would have
d4cce5f1
NIS		 4939 be per-thread is per-interpreter.
4940*/
4941
8c1cc017 4942/* Set up PERLVAR macros for populating structs */
115ff745
NC		 4943# define PERLVAR(prefix,var,type) type prefix##var;
4944# define PERLVARA(prefix,var,n,type) type prefix##var[n];
4945# define PERLVARI(prefix,var,type,init) type prefix##var;
4946# define PERLVARIC(prefix,var,type,init) type prefix##var;
8c1cc017 4947
79072805 4948struct interpreter {
7766f137 4949# include "intrpvar.h"
49f531da 4950};
d4cce5f1 4951
724cf8d6
NC		 4952EXTCONST U16 PL_interp_size
4953 INIT(sizeof(struct interpreter));
4954
4955# define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \
4956 STRUCT_OFFSET(struct interpreter, member) + \
4957 sizeof(((struct interpreter*)0)->member)
4958
4959/* This will be useful for subsequent releases, because this has to be the
4960 same in your libperl as in main(), else you have a mismatch and must abort.
4961*/
4962EXTCONST U16 PL_interp_size_5_16_0
4963 INIT(PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_16_0_INTERP_MEMBER));
4964
4965
8c1cc017
NC		 4966# ifdef PERL_GLOBAL_STRUCT
4967/* MULTIPLICITY is automatically defined when PERL_GLOBAL_STRUCT is defined,
4968 hence it's safe and sane to nest this within #ifdef MULTIPLICITY */
4969
4970struct perl_vars {
4971# include "perlvars.h"
49f531da 4972};
8c1cc017 4973
724cf8d6
NC		 4974EXTCONST U16 PL_global_struct_size
4975 INIT(sizeof(struct perl_vars));
4976
8c1cc017
NC		 4977# ifdef PERL_CORE
4978# ifndef PERL_GLOBAL_STRUCT_PRIVATE
4979EXT struct perl_vars PL_Vars;
4980EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
4981# undef PERL_GET_VARS
4982# define PERL_GET_VARS() PL_VarsPtr
4983# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
4984# else /* PERL_CORE */
4985# if !defined(__GNUC__) || !defined(WIN32)
4986EXT
4987# endif /* WIN32 */
4988struct perl_vars *PL_VarsPtr;
4989# define PL_Vars (*((PL_VarsPtr) \
4990 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
4991# endif /* PERL_CORE */
4992# endif /* PERL_GLOBAL_STRUCT */
79072805 4993
22239a37 4994/* Done with PERLVAR macros for now ... */
8c1cc017
NC		 4995# undef PERLVAR
4996# undef PERLVARA
4997# undef PERLVARI
4998# undef PERLVARIC
8c1cc017
NC		 4999
5000#endif /* MULTIPLICITY */
79072805 5001
f7fe979e 5002struct tempsym; /* defined in pp_pack.c */
49704364 5003
22239a37 5004#include "thread.h"
79072805 5005#include "pp.h"
864dbfa3
GS		 5006
5007#ifndef PERL_CALLCONV
a0c21aa1
JH		 5008# ifdef __cplusplus
5009# define PERL_CALLCONV extern "C"
5010# else
5011# define PERL_CALLCONV
5012# endif
d460ef45 5013#endif
0cb96387
GS		 5014#undef PERL_CKDEF
5015#undef PERL_PPDEF
0159f81b
JH		 5016#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
5017#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 5018
158cfab6
JD		 5019#ifdef MYMALLOC
5020# include "malloc_ctl.h"
5021#endif
5022
7766f137 5023#include "proto.h"
864dbfa3 5024
0cb96387 5025/* this has structure inits, so it cannot be included before here */
acfe0abc 5026#include "opcode.h"
864dbfa3 5027
d4cce5f1
NIS		 5028/* The following must follow proto.h as #defines mess up syntax */
5029
22c35a8c
GS		 5030#if !defined(PERL_FOR_X2P)
5031# include "embedvar.h"
5032#endif
598921a7
NC		 5033#ifndef PERL_MAD
5034# undef PL_madskills
5035# undef PL_xmlfp
5036# define PL_madskills 0
5037# define PL_xmlfp 0
5038#endif
d4cce5f1 5039
d460ef45 5040/* Now include all the 'global' variables
d4cce5f1 5041 * If we don't have threads or multiple interpreters
d460ef45 5042 * these include variables that would have been their struct-s
d4cce5f1 5043 */
d460ef45 5044
115ff745
NC		 5045#define PERLVAR(prefix,var,type) EXT type PL_##var;
5046#define PERLVARA(prefix,var,n,type) EXT type PL_##var[n];
5047#define PERLVARI(prefix,var,type,init) EXT type PL_##var INIT(init);
5048#define PERLVARIC(prefix,var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 5049
acfe0abc 5050#if !defined(MULTIPLICITY)
7766f137 5051START_EXTERN_C
066ef5b5 5052# include "intrpvar.h"
7766f137 5053END_EXTERN_C
22239a37
NIS		 5054#endif
5055
24792b8d
NC		 5056#ifdef PERL_CORE
5057/* All core uses now exterminated. Ensure no zombies can return: */
5058# undef PL_na
5059#endif
5060
acfe0abc 5061#if defined(WIN32)
66a93824 5062/* Now all the config stuff is setup we can include embed.h */
22c35a8c 5063# include "embed.h"
eb8433b7
NC		 5064# ifndef PERL_MAD
5065# undef op_getmad
b3f24c00 5066# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 5067# endif
acfe0abc 5068#endif
22239a37 5069
c5be433b
GS		 5070#ifndef PERL_GLOBAL_STRUCT
5071START_EXTERN_C
5072
5073# include "perlvars.h"
5074
5075END_EXTERN_C
5076#endif
5077
d4cce5f1 5078#undef PERLVAR
51371543 5079#undef PERLVARA
d4cce5f1 5080#undef PERLVARI
0f3f18a6 5081#undef PERLVARIC
79072805 5082
73c4f7a1
GS		 5083START_EXTERN_C
5084
af2f0da9
NC		 5085/* dummy variables that hold pointers to both runops functions, thus forcing
5086 * them *both* to get linked in (useful for Peek.xs, debugging etc) */
5087
5088EXTCONST runops_proc_t PL_runops_std
5089 INIT(Perl_runops_standard);
5090EXTCONST runops_proc_t PL_runops_dbg
5091 INIT(Perl_runops_debug);
5092
bc028b6b
JH		 5093/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
5094 * magic vtables const, but this is incompatible with SWIG which
5095 * does want to modify the vtables. */
5096#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5097# define EXT_MGVTBL EXTCONST MGVTBL
5098#else
5099# define EXT_MGVTBL EXT MGVTBL
5100#endif
5101
82ff486e 5102#define PERL_MAGIC_READONLY_ACCEPTABLE 0x40
e0a73de4
NC		 5103#define PERL_MAGIC_VALUE_MAGIC 0x80
5104#define PERL_MAGIC_VTABLE_MASK 0x3F
82ff486e
NC		 5105#define PERL_MAGIC_TYPE_READONLY_ACCEPTABLE(t) \
5106 (PL_magic_data[(U8)(t)] & PERL_MAGIC_READONLY_ACCEPTABLE)
e0a73de4
NC		 5107#define PERL_MAGIC_TYPE_IS_VALUE_MAGIC(t) \
5108 (PL_magic_data[(U8)(t)] & PERL_MAGIC_VALUE_MAGIC)
5109
8b09643d 5110#include "mg_vtable.h"
6f83ef0e
NC		 5111
5112#ifdef DOINIT
5113EXTCONST U8 PL_magic_data[256] =
dde5ec2c
NC		 5114# ifdef PERL_MICRO
5115# include "umg_data.h"
5116# else
5117# include "mg_data.h"
5118# endif
6f83ef0e
NC		 5119;
5120#else
5121EXTCONST U8 PL_magic_data[256];
5122#endif
5123
f1fb8741
DM		 5124#ifdef DOINIT
5125 /* NL BD IV NV PV PI PN MG RX GV LV AV HV CV FM IO */
5126EXTCONST bool
5127PL_valid_types_IVX[] = { 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
5128EXTCONST bool
5129PL_valid_types_NVX[] = { 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
5130EXTCONST bool
5131PL_valid_types_PVX[] = { 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1 };
5132EXTCONST bool
5133PL_valid_types_RV[] = { 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1 };
5134EXTCONST bool
5135PL_valid_types_IV_set[] = { 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1 };
5136EXTCONST bool
5137PL_valid_types_NV_set[] = { 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 };
5138
5139#else
5140
5141EXTCONST bool PL_valid_types_IVX[];
5142EXTCONST bool PL_valid_types_NVX[];
5143EXTCONST bool PL_valid_types_PVX[];
5144EXTCONST bool PL_valid_types_RV[];
5145EXTCONST bool PL_valid_types_IV_set[];
5146EXTCONST bool PL_valid_types_NV_set[];
5147
5148#endif
5149
5150
bab3dc31 5151#include "overload.h"
a0d0e21e 5152
73c4f7a1
GS		 5153END_EXTERN_C
5154
a6006777 5155struct am_table {
8978b4ac
NC		 5156 U8 flags;
5157 U8 fallback;
5158 U16 spare;
eb160463 5159 U32 was_ok_sub;
a0d0e21e 5160 long was_ok_am;
9bd87817 5161 CV* table[NofAMmeth];
a0d0e21e 5162};
a6006777 5163struct am_table_short {
8978b4ac
NC		 5164 U8 flags;
5165 U8 fallback;
5166 U16 spare;
eb160463 5167 U32 was_ok_sub;
a6006777 5168 long was_ok_am;
a6006777 5169};
a0d0e21e 5170typedef struct am_table AMT;
a6006777 5171typedef struct am_table_short AMTS;
a0d0e21e
LW		 5172
5173#define AMGfallNEVER 1
5174#define AMGfallNO 2
5175#define AMGfallYES 3
5176
a6006777 5177#define AMTf_AMAGIC 1
32251b26 5178#define AMTf_OVERLOADED 2
a6006777 5179#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5180#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5181#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 5182#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
5183#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
5184#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 5185
32251b26 5186#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5187
5188/*
5189 * some compilers like to redefine cos et alia as faster
5190 * (and less accurate?) versions called F_cos et cetera (Quidquid
5191 * latine dictum sit, altum viditur.) This trick collides with
5192 * the Perl overloading (amg). The following #defines fool both.
5193 */
5194
5195#ifdef _FASTMATH
5196# ifdef atan2
5197# define F_atan2_amg atan2_amg
5198# endif
5199# ifdef cos
5200# define F_cos_amg cos_amg
5201# endif
5202# ifdef exp
5203# define F_exp_amg exp_amg
5204# endif
5205# ifdef log
5206# define F_log_amg log_amg
5207# endif
5208# ifdef pow
5209# define F_pow_amg pow_amg
5210# endif
5211# ifdef sin
5212# define F_sin_amg sin_amg
5213# endif
5214# ifdef sqrt
5215# define F_sqrt_amg sqrt_amg
5216# endif
5217#endif /* _FASTMATH */
5218
83ee9e09
GS		 5219#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5220 PERLDBf_NOOPT | PERLDBf_INTER | \
5221 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
b8fcbefe
NC		 5222 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5223 PERLDBf_SAVESRC)
925cfbb8 5224 /* No _NONAME, _GOTO */
83ee9e09
GS		 5225#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5226#define PERLDBf_LINE 0x02 /* Keep line # */
5227#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5228#define PERLDBf_INTER 0x08 /* Preserve more data for
5229 later inspections */
5230#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5231#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5232#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5233#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5234#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5235#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
b8fcbefe 5236#define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
486ec47a 5237#define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */
c30d8139 5238#define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
84902520 5239
3280af22
NIS		 5240#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5241#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5242#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5243#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5244#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5245#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5246#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5247#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5248#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5249#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
b8fcbefe 5250#define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC))
c30d8139
NC		 5251#define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS))
5252#define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID))
bbce6d69 5253
36477c24 5254#ifdef USE_LOCALE_NUMERIC
bbce6d69 5255
36477c24 5256#define SET_NUMERIC_STANDARD() \
ff4fed7c 5257 set_numeric_standard();
36477c24 5258
5259#define SET_NUMERIC_LOCAL() \
ff4fed7c 5260 set_numeric_local();
bbce6d69 5261
a98fe34d 5262#define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE)
2de3dbcc
JH		 5263#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
5264
5265#define IN_LOCALE \
923e4eb5 5266 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
2de3dbcc 5267
f93f4e46 5268#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 5269 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 5270 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 5271
5272#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 5273 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 5274 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 5275
5276#define RESTORE_NUMERIC_LOCAL() \
5277 if (was_local) SET_NUMERIC_LOCAL();
5278
5279#define RESTORE_NUMERIC_STANDARD() \
5280 if (was_standard) SET_NUMERIC_STANDARD();
5281
5b877257 5282#define Atof my_atof
097ee67d 5283
36477c24 5284#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5285
097ee67d
JH		 5286#define SET_NUMERIC_STANDARD() /**/
5287#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5288#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5289#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5290#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 5291#define RESTORE_NUMERIC_LOCAL() /**/
5292#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 5293#define Atof my_atof
ad3e0f90 5294#define IN_LOCALE_RUNTIME 0
bbce6d69 5295
36477c24 5296#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5297
079290de 5298#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5299# ifdef __hpux
5300# define strtoll __strtoll /* secret handshake */
5301# endif
c623ac67
GS		 5302# ifdef WIN64
5303# define strtoll _strtoi64 /* secret handshake */
5304# endif
079290de
GS		 5305# if !defined(Strtol) && defined(HAS_STRTOLL)
5306# define Strtol strtoll
ad551343 5307# endif
28e5dec8
JH		 5308# if !defined(Strtol) && defined(HAS_STRTOQ)
5309# define Strtol strtoq
5310# endif
ff935051 5311/* is there atoq() anywhere? */
15b99d39 5312#endif
079290de
GS		 5313#if !defined(Strtol) && defined(HAS_STRTOL)
5314# define Strtol strtol
5315#endif
5316#ifndef Atol
5317/* It would be more fashionable to use Strtol() to define atol()
5318 * (as is done for Atoul(), see below) but for backward compatibility
5319 * we just assume atol(). */
76b882ba 5320# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 5321# ifdef WIN64
5322# define atoll _atoi64 /* secret handshake */
5323# endif
76b882ba
JH		 5324# define Atol atoll
5325# else
5326# define Atol atol
5327# endif
cf2093f6
JH		 5328#endif
5329
55eb892c 5330#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5331# ifdef __hpux
5332# define strtoull __strtoull /* secret handshake */
5333# endif
c623ac67
GS		 5334# ifdef WIN64
5335# define strtoull _strtoui64 /* secret handshake */
5336# endif
ad551343 5337# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5338# define Strtoul strtoull
15b99d39 5339# endif
079290de
GS		 5340# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5341# define Strtoul strtouq
5342# endif
76d49b1c 5343/* is there atouq() anywhere? */
ad551343 5344#endif
079290de
GS		 5345#if !defined(Strtoul) && defined(HAS_STRTOUL)
5346# define Strtoul strtoul
cf2093f6 5347#endif
a5523c5b
JH		 5348#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5349# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5350#endif
079290de 5351#ifndef Atoul
d4c19fe8 5352# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5353#endif
cf2093f6 5354
760ac839 5355
06d86050
GS		 5356/* if these never got defined, they need defaults */
5357#ifndef PERL_SET_CONTEXT
5358# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5359#endif
5360
5361#ifndef PERL_GET_CONTEXT
5362# define PERL_GET_CONTEXT PERL_GET_INTERP
5363#endif
5364
5365#ifndef PERL_GET_THX
5366# define PERL_GET_THX ((void*)NULL)
5367#endif
5368
5369#ifndef PERL_SET_THX
5370# define PERL_SET_THX(t) NOOP
5371#endif
5372
a868473f
NIS		 5373#ifndef PERL_SCRIPT_MODE
5374#define PERL_SCRIPT_MODE "r"
5375#endif
5376
fba3b22e 5377/*
da927450
JH		 5378 * Some operating systems are stingy with stack allocation,
5379 * so perl may have to guard against stack overflow.
5380 */
5381#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5382#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5383#endif
5384
5385/*
5386 * Some nonpreemptive operating systems find it convenient to
5387 * check for asynchronous conditions after each op execution.
5388 * Keep this check simple, or it may slow down execution
5389 * massively.
5390 */
ce08f86c 5391
1d615522 5392#ifndef PERL_MICRO
4ffa73a3 5393# ifndef PERL_ASYNC_CHECK
16c91539 5394# define PERL_ASYNC_CHECK() if (PL_sig_pending) PL_signalhook(aTHX)
4ffa73a3 5395# endif
ce08f86c
NIS		 5396#endif
5397
da927450 5398#ifndef PERL_ASYNC_CHECK
1d615522 5399# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5400#endif
5401
5402/*
5403 * On some operating systems, a memory allocation may succeed,
5404 * but put the process too close to the system's comfort limit.
5405 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5406 * it to NULL.
5407 */
5408#ifndef PERL_ALLOC_CHECK
c2af87cb 5409#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5410#endif
5411
bd89102f
AD		 5412#ifdef HAS_SEM
5413# include <sys/ipc.h>
5414# include <sys/sem.h>
5415# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5416 union semun {
dbba660d
TC		 5417 int val;
5418 struct semid_ds *buf;
5419 unsigned short *array;
bd89102f
AD		 5420 };
5421# endif
5422# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5423# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5424 union gccbug_semun {
5425 int val;
5426 struct semid_ds *buf;
5427 unsigned short *array;
5428 char __dummy[5];
5429 };
5430# define semun gccbug_semun
5431# endif
bd89102f
AD		 5432# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5433# else
5434# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5435# ifdef EXTRA_F_IN_SEMUN_BUF
5436# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5437# else
5438# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5439# endif
bd89102f
AD		 5440# endif
5441# endif
bd89102f 5442#endif
49f531da 5443
89ca4ac7
JH		 5444/*
5445 * Boilerplate macros for initializing and accessing interpreter-local
5446 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 5447 * this, if you want to make the extension thread-safe. See
5448 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5449 * and perlxs.pod for more.
89ca4ac7
JH		 5450 *
5451 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5452 * 1. #define MY_CXT_KEY to a unique string, e.g.
5453 * "DynaLoader::_guts" XS_VERSION
f16dd614 5454 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5455 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5456 * all the data that needs to be interpreter-local.
5457 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5458 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5459 * (typically put in the BOOT: section).
5460 * 5. Use the members of the my_cxt_t structure everywhere as
5461 * MY_CXT.member.
5462 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5463 * access MY_CXT.
5464 */
5465
fc958cd2 5466#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 5467
4eddb856 5468/* START_MY_CXT must appear in all extensions that define a my_cxt_t structure,
53d44271
JH		 5469 * right after the definition (i.e. at file scope). The non-threads
5470 * case below uses it to declare the data as static. */
00ab59c9
DM		 5471# ifdef PERL_GLOBAL_STRUCT_PRIVATE
5472# define START_MY_CXT
5473# define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5474# define MY_CXT_INIT_ARG MY_CXT_KEY
5475# else
5476# define START_MY_CXT static int my_cxt_index = -1;
5477# define MY_CXT_INDEX my_cxt_index
5478# define MY_CXT_INIT_ARG &my_cxt_index
5479# endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
53d44271
JH		 5480
5481/* Creates and zeroes the per-interpreter data.
5482 * (We allocate my_cxtp in a Perl SV so that it will be released when
5483 * the interpreter goes away.) */
00ab59c9 5484# define MY_CXT_INIT \
53d44271 5485 my_cxt_t *my_cxtp = \
27cbf00a 5486 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t))
00ab59c9 5487# define MY_CXT_INIT_INTERP(my_perl) \
53d44271 5488 my_cxt_t *my_cxtp = \
27cbf00a 5489 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t))
53d44271
JH		 5490
5491/* This declaration should be used within all functions that use the
5492 * interpreter-local data. */
00ab59c9 5493# define dMY_CXT \
53d44271 5494 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
00ab59c9 5495# define dMY_CXT_INTERP(my_perl) \
53d44271
JH		 5496 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5497
5498/* Clones the per-interpreter data. */
00ab59c9 5499# define MY_CXT_CLONE \
53d44271
JH		 5500 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5501 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5502 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5503
53d44271 5504
89ca4ac7
JH		 5505/* This macro must be used to access members of the my_cxt_t structure.
5506 * e.g. MYCXT.some_data */
00ab59c9 5507# define MY_CXT (*my_cxtp)
89ca4ac7
JH		 5508
5509/* Judicious use of these macros can reduce the number of times dMY_CXT
5510 * is used. Use is similar to pTHX, aTHX etc. */
00ab59c9
DM		 5511# define pMY_CXT my_cxt_t *my_cxtp
5512# define pMY_CXT_ pMY_CXT,
5513# define _pMY_CXT ,pMY_CXT
5514# define aMY_CXT my_cxtp
5515# define aMY_CXT_ aMY_CXT,
5516# define _aMY_CXT ,aMY_CXT
89ca4ac7 5517
f16dd614 5518#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7 5519
00ab59c9
DM		 5520# define START_MY_CXT static my_cxt_t my_cxt;
5521# define dMY_CXT_SV dNOOP
5522# define dMY_CXT dNOOP
5523# define dMY_CXT_INTERP(my_perl) dNOOP
5524# define MY_CXT_INIT NOOP
5525# define MY_CXT_CLONE NOOP
5526# define MY_CXT my_cxt
5527
5528# define pMY_CXT void
5529# define pMY_CXT_
5530# define _pMY_CXT
5531# define aMY_CXT
5532# define aMY_CXT_
5533# define _aMY_CXT
89ca4ac7 5534
f16dd614 5535#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5536
9a34ef1d
GS		 5537#ifdef I_FCNTL
5538# include <fcntl.h>
9a34ef1d
GS		 5539#endif
5540
9cffb111
OS		 5541#ifdef __Lynx__
5542# include <fcntl.h>
5543#endif
5544
9a34ef1d
GS		 5545#ifdef I_SYS_FILE
5546# include <sys/file.h>
5547#endif
5548
fa0a29af 5549#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5550int flock(int fd, int op);
5551#endif
5552
fe52b3b7
GS		 5553#ifndef O_RDONLY
5554/* Assume UNIX defaults */
5555# define O_RDONLY 0000
5556# define O_WRONLY 0001
5557# define O_RDWR 0002
5558# define O_CREAT 0100
5559#endif
9a34ef1d 5560
16fe6d59
GS		 5561#ifndef O_BINARY
5562# define O_BINARY 0
5563#endif
5564
5565#ifndef O_TEXT
5566# define O_TEXT 0
5567#endif
5568
6ce75a77
JH		 5569#if O_TEXT != O_BINARY
5570 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5571 * that is, you are somehow DOSish. */
df00ff3b
IW		 5572# if defined(__BEOS__) || defined(__HAIKU__) || defined(__VOS__) || \
5573 defined(__CYGWIN__)
5574 /* BeOS/Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5575 * BeOS/Haiku is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5576 /* VOS has O_TEXT != O_BINARY, and they have effect,
5577 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5578 /* If you have O_TEXT different from your O_BINARY but you still are
5579 * not a CRLF shop. */
35990314 5580# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5581# else
5582 /* If you really are DOSish. */
5583# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5584# endif
5585#endif
5586
4bc88a62
PS		 5587#ifdef I_LIBUTIL
5588# include <libutil.h> /* setproctitle() in some FreeBSDs */
5589#endif
5590
b4748376 5591#ifndef EXEC_ARGV_CAST
360ea906 5592#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 5593#endif
5594
dd5dc04f
JH		 5595#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5596 int). value returned in pointed-
5597 to UV */
5598#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5599#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5600#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5601#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5602#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5603
5604#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5605
53305cf1
NC		 5606/* Input flags: */
5607#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5608#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5609#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
02470786
KW		 5610#define PERL_SCAN_SILENT_NON_PORTABLE 0x08 /* grok_??? not warn about very large
5611 numbers which are <= UV_MAX */
53305cf1
NC		 5612/* Output flags: */
5613#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5614
2c4f7f0e
DM		 5615/* to let user control profiling */
5616#ifdef PERL_GPROF_CONTROL
5617extern void moncontrol(int);
5618#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5619#else
5620#define PERL_GPROF_MONCONTROL(x)
5621#endif
5622
ae0e3d3b
JH		 5623#ifdef UNDER_CE
5624#include "wince.h"
5625#endif
5626
5627/* ISO 6429 NEL - C1 control NExt Line */
5628/* See http://www.unicode.org/unicode/reports/tr13/ */
5629#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
5630# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
5631# define NEXT_LINE_CHAR 0x15
5632# else /* CDRA */
5633# define NEXT_LINE_CHAR 0x25
5634# endif
5635#else
5636# define NEXT_LINE_CHAR 0x85
5637#endif
5638
5639/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5640#define UNICODE_LINE_SEPA_0 0xE2
5641#define UNICODE_LINE_SEPA_1 0x80
5642#define UNICODE_LINE_SEPA_2 0xA8
5643#define UNICODE_PARA_SEPA_0 0xE2
5644#define UNICODE_PARA_SEPA_1 0x80
5645#define UNICODE_PARA_SEPA_2 0xA9
5646
479b2847
GS		 5647#ifndef PIPESOCK_MODE
5648# define PIPESOCK_MODE
5649#endif
5650
460c8493
IZ		 5651#ifndef SOCKET_OPEN_MODE
5652# define SOCKET_OPEN_MODE PIPESOCK_MODE
5653#endif
5654
5655#ifndef PIPE_OPEN_MODE
5656# define PIPE_OPEN_MODE PIPESOCK_MODE
5657#endif
5658
7e8c5dac
HS		 5659#define PERL_MAGIC_UTF8_CACHESIZE 2
5660
a05d7ebb
JH		 5661#define PERL_UNICODE_STDIN_FLAG 0x0001
5662#define PERL_UNICODE_STDOUT_FLAG 0x0002
5663#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5664#define PERL_UNICODE_IN_FLAG 0x0008
5665#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5666#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5667#define PERL_UNICODE_LOCALE_FLAG 0x0040
5668#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 5669#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 5670
06e66572
JH		 5671#define PERL_UNICODE_STD_FLAG \
5672 (PERL_UNICODE_STDIN_FLAG | \
5673 PERL_UNICODE_STDOUT_FLAG | \
5674 PERL_UNICODE_STDERR_FLAG)
5675
5676#define PERL_UNICODE_INOUT_FLAG \
5677 (PERL_UNICODE_IN_FLAG | \
5678 PERL_UNICODE_OUT_FLAG)
5679
5680#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5681 (PERL_UNICODE_STD_FLAG | \
5682 PERL_UNICODE_INOUT_FLAG | \
5683 PERL_UNICODE_LOCALE_FLAG)
5684
5a22a2bb 5685#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 5686
5687#define PERL_UNICODE_STDIN 'I'
5688#define PERL_UNICODE_STDOUT 'O'
5689#define PERL_UNICODE_STDERR 'E'
5690#define PERL_UNICODE_STD 'S'
5691#define PERL_UNICODE_IN 'i'
5692#define PERL_UNICODE_OUT 'o'
5693#define PERL_UNICODE_INOUT 'D'
5694#define PERL_UNICODE_ARGV 'A'
5695#define PERL_UNICODE_LOCALE 'L'
5696#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 5697#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 5698
4ffa73a3
JH		 5699#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5700
32fdb065 5701/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5702 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5703#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5704
3c0f78ca
JH		 5705#if defined(__DECC) && defined(__osf__)
5706#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 5707#endif
5708
e4dba786
NC		 5709#define do_open(g, n, l, a, rm, rp, sf) \
5710 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 5711#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 5712# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 5713#endif
15871fce
NC		 5714#ifdef OS2
5715# define do_aexec Perl_do_aexec
5716#else
5717# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 5718#endif
e4dba786 5719
2f3efc97
JH		 5720#if defined(OEMVS)
5721#define NO_ENV_ARRAY_IN_MAIN
5722#endif
5723
00f254e2
KW		 5724/* These are used by Perl_pv_escape() and Perl_pv_pretty()
5725 * are here so that they are available throughout the core
10edeb5d
JH		 5726 * NOTE that even though some are for _escape and some for _pretty
5727 * there must not be any clashes as the flags from _pretty are
5728 * passed straight through to _escape.
5729 */
5730
5731#define PERL_PV_ESCAPE_QUOTE 0x0001
5732#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
5733
95b611b0 5734#define PERL_PV_PRETTY_ELLIPSES 0x0002
10edeb5d
JH		 5735#define PERL_PV_PRETTY_LTGT 0x0004
5736
5737#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
5738
00f254e2 5739#define PERL_PV_ESCAPE_UNI 0x0100
10edeb5d 5740#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
681f01c2 5741#define PERL_PV_ESCAPE_NONASCII 0x0400
10edeb5d
JH		 5742
5743#define PERL_PV_ESCAPE_ALL 0x1000
5744#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
5745#define PERL_PV_ESCAPE_NOCLEAR 0x4000
44a2ac75 5746#define PERL_PV_ESCAPE_RE 0x8000
10edeb5d 5747
881a015e
NC		 5748#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
5749
10edeb5d 5750/* used by pv_display in dump.c*/
95b611b0 5751#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
c89df6cf 5752#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII
10edeb5d 5753
26ea9e12
NC		 5754#ifdef PERL_CORE
5755# define FEATURE_IS_ENABLED(name) \
5756 ((0 != (PL_hints & HINT_LOCALIZE_HH)) \
5757 && Perl_feature_is_enabled(aTHX_ STR_WITH_LEN(name)))
5758/* The longest string we pass in. */
5759# define MAX_FEATURE_LEN (sizeof("unicode_strings")-1)
5760#endif
5761
10edeb5d
JH		 5762/*
5763
5764 (KEEP THIS LAST IN perl.h!)
5765
5766 Mention
d460ef45 5767
43999f95 5768 NV_PRESERVES_UV
fe749a9f 5769
fe749a9f
JH		 5770 HAS_MKSTEMP
5771 HAS_MKSTEMPS
5772 HAS_MKDTEMP
5773
49dabb45
JH		 5774 HAS_GETCWD
5775
d59b5429 5776 HAS_MMAP
fe749a9f
JH		 5777 HAS_MPROTECT
5778 HAS_MSYNC
1e8c3fde 5779 HAS_MADVISE
fe749a9f
JH		 5780 HAS_MUNMAP
5781 I_SYSMMAN
5782 Mmap_t
5783
6b4667fc
A		 5784 NVef
5785 NVff
5786 NVgf
5787
4e0554ec 5788 HAS_UALARM
2d736872 5789 HAS_USLEEP
4e0554ec
JH		 5790
5791 HAS_SETITIMER
5792 HAS_GETITIMER
5793
5794 HAS_SENDMSG
5795 HAS_RECVMSG
5796 HAS_READV
5797 HAS_WRITEV
5798 I_SYSUIO
5799 HAS_STRUCT_MSGHDR
5800 HAS_STRUCT_CMSGHDR
5801
2765b840 5802 HAS_NL_LANGINFO
0a7020c9 5803
ae0e3d3b 5804 HAS_DIRFD
2765b840 5805
10edeb5d 5806 so that Configure picks them up.
ab3bbdeb 5807
10edeb5d 5808 (KEEP THIS LAST IN perl.h!)
3df15adc 5809
10edeb5d 5810*/
3df15adc 5811
85e6fe83 5812#endif /* Include guard */
e9a8c099
MHM		 5813
5814/*
5815 * Local variables:
5816 * c-indentation-style: bsd
5817 * c-basic-offset: 4
5818 * indent-tabs-mode: t
5819 * End:
5820 *
5821 * ex: set ts=8 sts=4 sw=4 noet:
5822 */
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